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LED drivers: place I2C addresses into an array (#22975)

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Ryan 2024-02-09 22:37:18 +11:00 • committed by GitHub
parent 137938b67a
commit a5ea619139
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GPG key ID: B5690EEEBB952194
54 changed files with 1292 additions and 1349 deletions
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104
drivers/led/issi/is31fl3731-mono.c
View file

@ -32,6 +32,19 @@
# define IS31FL3731_I2C_PERSISTENCE 0
#endif
const uint8_t i2c_addresses[IS31FL3731_DRIVER_COUNT] = {
IS31FL3731_I2C_ADDRESS_1,
#ifdef IS31FL3731_I2C_ADDRESS_2
IS31FL3731_I2C_ADDRESS_2,
# ifdef IS31FL3731_I2C_ADDRESS_3
IS31FL3731_I2C_ADDRESS_3,
# ifdef IS31FL3731_I2C_ADDRESS_4
IS31FL3731_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the IS31FL3731 PWM registers 0x24-0xB3.
// Storing them like this is optimal for I2C transfers to the registers.
// We could optimize this and take out the unused registers from these
@ -43,21 +56,21 @@ bool g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][IS31FL3731_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3731_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3731_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3731_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3731_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3731_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3731_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3731_I2C_TIMEOUT);
#endif
}
void is31fl3731_select_page(uint8_t addr, uint8_t page) {
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, page);
void is31fl3731_select_page(uint8_t index, uint8_t page) {
is31fl3731_write_register(index, IS31FL3731_REG_COMMAND, page);
}
void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3731_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 9 transfers of 16 bytes.
@ -65,10 +78,10 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3731_PWM_REGISTER_COUNT; i += 16) {
#if IS31FL3731_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3731_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, IS31FL3731_FRAME_REG_PWM + i, g_pwm_buffer[index] + i, 16, IS31FL3731_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, IS31FL3731_FRAME_REG_PWM + i, g_pwm_buffer[index] + i, 16, IS31FL3731_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, IS31FL3731_FRAME_REG_PWM + i, g_pwm_buffer[index] + i, 16, IS31FL3731_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, IS31FL3731_FRAME_REG_PWM + i, g_pwm_buffer[index] + i, 16, IS31FL3731_I2C_TIMEOUT);
#endif
}
}
@ -76,83 +89,69 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3731_init_drivers(void) {
i2c_init();
is31fl3731_init(IS31FL3731_I2C_ADDRESS_1);
#if defined(IS31FL3731_I2C_ADDRESS_2)
is31fl3731_init(IS31FL3731_I2C_ADDRESS_2);
# if defined(IS31FL3731_I2C_ADDRESS_3)
is31fl3731_init(IS31FL3731_I2C_ADDRESS_3);
# if defined(IS31FL3731_I2C_ADDRESS_4)
is31fl3731_init(IS31FL3731_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3731_DRIVER_COUNT; i++) {
is31fl3731_init(i);
}
for (int i = 0; i < IS31FL3731_LED_COUNT; i++) {
is31fl3731_set_led_control_register(i, true);
}
is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_1, 0);
#if defined(IS31FL3731_I2C_ADDRESS_2)
is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_2, 1);
# if defined(IS31FL3731_I2C_ADDRESS_3)
is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_3, 2);
# if defined(IS31FL3731_I2C_ADDRESS_4)
is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3731_DRIVER_COUNT; i++) {
is31fl3731_update_led_control_registers(i);
}
}
void is31fl3731_init(uint8_t addr) {
void is31fl3731_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, first enable software shutdown,
// then set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FUNCTION);
is31fl3731_select_page(index, IS31FL3731_COMMAND_FUNCTION);
// enable software shutdown
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x00);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x00);
#ifdef IS31FL3731_DEGHOST // set to enable de-ghosting of the array
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_GHOST_IMAGE_PREVENTION, IS31FL3731_GHOST_IMAGE_PREVENTION_GEN);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_GHOST_IMAGE_PREVENTION, IS31FL3731_GHOST_IMAGE_PREVENTION_GEN);
#endif
// this delay was copied from other drivers, might not be needed
wait_ms(10);
// picture mode
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_CONFIG, IS31FL3731_CONFIG_MODE_PICTURE);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_CONFIG, IS31FL3731_CONFIG_MODE_PICTURE);
// display frame 0
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_PICTURE_DISPLAY, 0x00);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_PICTURE_DISPLAY, 0x00);
// audio sync off
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_AUDIO_SYNC, 0x00);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_AUDIO_SYNC, 0x00);
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FRAME_1);
is31fl3731_select_page(index, IS31FL3731_COMMAND_FRAME_1);
// turn off all LEDs in the LED control register
for (uint8_t i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, IS31FL3731_FRAME_REG_LED_CONTROL + i, 0x00);
is31fl3731_write_register(index, IS31FL3731_FRAME_REG_LED_CONTROL + i, 0x00);
}
// turn off all LEDs in the blink control register (not really needed)
for (uint8_t i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, IS31FL3731_FRAME_REG_BLINK_CONTROL + i, 0x00);
is31fl3731_write_register(index, IS31FL3731_FRAME_REG_BLINK_CONTROL + i, 0x00);
}
// set PWM on all LEDs to 0
for (uint8_t i = 0; i < IS31FL3731_PWM_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, IS31FL3731_FRAME_REG_PWM + i, 0x00);
is31fl3731_write_register(index, IS31FL3731_FRAME_REG_PWM + i, 0x00);
}
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FUNCTION);
is31fl3731_select_page(index, IS31FL3731_COMMAND_FUNCTION);
// disable software shutdown
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x01);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x01);
// select page 0 and leave it selected.
// most usage after initialization is just writing PWM buffers in page 0
// as there's not much point in double-buffering
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FRAME_1);
is31fl3731_select_page(index, IS31FL3731_COMMAND_FRAME_1);
}
void is31fl3731_set_value(int index, uint8_t value) {
@ -192,18 +191,18 @@ void is31fl3731_set_led_control_register(uint8_t index, bool value) {
g_led_control_registers_update_required[led.driver] = true;
}
void is31fl3731_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3731_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3731_write_pwm_buffer(addr, index);
is31fl3731_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
void is31fl3731_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
for (uint8_t i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, i, g_led_control_registers[index][i]);
is31fl3731_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -211,14 +210,7 @@ void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void is31fl3731_flush(void) {
is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_1, 0);
#if defined(IS31FL3731_I2C_ADDRESS_2)
is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_2, 1);
# if defined(IS31FL3731_I2C_ADDRESS_3)
is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_3, 2);
# if defined(IS31FL3731_I2C_ADDRESS_4)
is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3731_DRIVER_COUNT; i++) {
is31fl3731_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3731-mono.h
View file

@ -105,9 +105,9 @@ typedef struct is31fl3731_led_t {
extern const is31fl3731_led_t PROGMEM g_is31fl3731_leds[IS31FL3731_LED_COUNT];
void is31fl3731_init_drivers(void);
void is31fl3731_init(uint8_t addr);
void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3731_select_page(uint8_t addr, uint8_t page);
void is31fl3731_init(uint8_t index);
void is31fl3731_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3731_select_page(uint8_t index, uint8_t page);
void is31fl3731_set_value(int index, uint8_t value);
void is31fl3731_set_value_all(uint8_t value);
@ -118,8 +118,8 @@ void is31fl3731_set_led_control_register(uint8_t index, bool value);
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void is31fl3731_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index);
void is31fl3731_update_pwm_buffers(uint8_t index);
void is31fl3731_update_led_control_registers(uint8_t index);
void is31fl3731_flush(void);

104
drivers/led/issi/is31fl3731.c
View file

@ -31,6 +31,19 @@
# define IS31FL3731_I2C_PERSISTENCE 0
#endif
const uint8_t i2c_addresses[IS31FL3731_DRIVER_COUNT] = {
IS31FL3731_I2C_ADDRESS_1,
#ifdef IS31FL3731_I2C_ADDRESS_2
IS31FL3731_I2C_ADDRESS_2,
# ifdef IS31FL3731_I2C_ADDRESS_3
IS31FL3731_I2C_ADDRESS_3,
# ifdef IS31FL3731_I2C_ADDRESS_4
IS31FL3731_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the IS31FL3731 PWM registers 0x24-0xB3.
// Storing them like this is optimal for I2C transfers to the registers.
// We could optimize this and take out the unused registers from these
@ -42,21 +55,21 @@ bool g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][IS31FL3731_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3731_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3731_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3731_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3731_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3731_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3731_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3731_I2C_TIMEOUT);
#endif
}
void is31fl3731_select_page(uint8_t addr, uint8_t page) {
is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, page);
void is31fl3731_select_page(uint8_t index, uint8_t page) {
is31fl3731_write_register(index, IS31FL3731_REG_COMMAND, page);
}
void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3731_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 9 transfers of 16 bytes.
@ -64,10 +77,10 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3731_PWM_REGISTER_COUNT; i += 16) {
#if IS31FL3731_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3731_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, IS31FL3731_FRAME_REG_PWM + i, g_pwm_buffer[index] + i, 16, IS31FL3731_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, IS31FL3731_FRAME_REG_PWM + i, g_pwm_buffer[index] + i, 16, IS31FL3731_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, IS31FL3731_FRAME_REG_PWM + i, g_pwm_buffer[index] + i, 16, IS31FL3731_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, IS31FL3731_FRAME_REG_PWM + i, g_pwm_buffer[index] + i, 16, IS31FL3731_I2C_TIMEOUT);
#endif
}
}
@ -75,83 +88,69 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3731_init_drivers(void) {
i2c_init();
is31fl3731_init(IS31FL3731_I2C_ADDRESS_1);
#if defined(IS31FL3731_I2C_ADDRESS_2)
is31fl3731_init(IS31FL3731_I2C_ADDRESS_2);
# if defined(IS31FL3731_I2C_ADDRESS_3)
is31fl3731_init(IS31FL3731_I2C_ADDRESS_3);
# if defined(IS31FL3731_I2C_ADDRESS_4)
is31fl3731_init(IS31FL3731_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3731_DRIVER_COUNT; i++) {
is31fl3731_init(i);
}
for (int i = 0; i < IS31FL3731_LED_COUNT; i++) {
is31fl3731_set_led_control_register(i, true, true, true);
}
is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_1, 0);
#if defined(IS31FL3731_I2C_ADDRESS_2)
is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_2, 1);
# if defined(IS31FL3731_I2C_ADDRESS_3)
is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_3, 2);
# if defined(IS31FL3731_I2C_ADDRESS_4)
is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3731_DRIVER_COUNT; i++) {
is31fl3731_update_led_control_registers(i);
}
}
void is31fl3731_init(uint8_t addr) {
void is31fl3731_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, first enable software shutdown,
// then set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FUNCTION);
is31fl3731_select_page(index, IS31FL3731_COMMAND_FUNCTION);
// enable software shutdown
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x00);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x00);
#ifdef IS31FL3731_DEGHOST // set to enable de-ghosting of the array
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_GHOST_IMAGE_PREVENTION, IS31FL3731_GHOST_IMAGE_PREVENTION_GEN);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_GHOST_IMAGE_PREVENTION, IS31FL3731_GHOST_IMAGE_PREVENTION_GEN);
#endif
// this delay was copied from other drivers, might not be needed
wait_ms(10);
// picture mode
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_CONFIG, IS31FL3731_CONFIG_MODE_PICTURE);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_CONFIG, IS31FL3731_CONFIG_MODE_PICTURE);
// display frame 0
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_PICTURE_DISPLAY, 0x00);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_PICTURE_DISPLAY, 0x00);
// audio sync off
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_AUDIO_SYNC, 0x00);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_AUDIO_SYNC, 0x00);
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FRAME_1);
is31fl3731_select_page(index, IS31FL3731_COMMAND_FRAME_1);
// turn off all LEDs in the LED control register
for (uint8_t i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, IS31FL3731_FRAME_REG_LED_CONTROL + i, 0x00);
is31fl3731_write_register(index, IS31FL3731_FRAME_REG_LED_CONTROL + i, 0x00);
}
// turn off all LEDs in the blink control register (not really needed)
for (uint8_t i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, IS31FL3731_FRAME_REG_BLINK_CONTROL + i, 0x00);
is31fl3731_write_register(index, IS31FL3731_FRAME_REG_BLINK_CONTROL + i, 0x00);
}
// set PWM on all LEDs to 0
for (uint8_t i = 0; i < IS31FL3731_PWM_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, IS31FL3731_FRAME_REG_PWM + i, 0x00);
is31fl3731_write_register(index, IS31FL3731_FRAME_REG_PWM + i, 0x00);
}
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FUNCTION);
is31fl3731_select_page(index, IS31FL3731_COMMAND_FUNCTION);
// disable software shutdown
is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x01);
is31fl3731_write_register(index, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x01);
// select page 0 and leave it selected.
// most usage after initialization is just writing PWM buffers in page 0
// as there's not much point in double-buffering
is31fl3731_select_page(addr, IS31FL3731_COMMAND_FRAME_1);
is31fl3731_select_page(index, IS31FL3731_COMMAND_FRAME_1);
}
void is31fl3731_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
@ -207,18 +206,18 @@ void is31fl3731_set_led_control_register(uint8_t index, bool red, bool green, bo
g_led_control_registers_update_required[led.driver] = true;
}
void is31fl3731_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3731_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3731_write_pwm_buffer(addr, index);
is31fl3731_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
void is31fl3731_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
for (uint8_t i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, i, g_led_control_registers[index][i]);
is31fl3731_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -226,14 +225,7 @@ void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void is31fl3731_flush(void) {
is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_1, 0);
#if defined(IS31FL3731_I2C_ADDRESS_2)
is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_2, 1);
# if defined(IS31FL3731_I2C_ADDRESS_3)
is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_3, 2);
# if defined(IS31FL3731_I2C_ADDRESS_4)
is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3731_DRIVER_COUNT; i++) {
is31fl3731_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3731.h
View file

@ -106,9 +106,9 @@ typedef struct is31fl3731_led_t {
extern const is31fl3731_led_t PROGMEM g_is31fl3731_leds[IS31FL3731_LED_COUNT];
void is31fl3731_init_drivers(void);
void is31fl3731_init(uint8_t addr);
void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3731_select_page(uint8_t addr, uint8_t page);
void is31fl3731_init(uint8_t index);
void is31fl3731_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3731_select_page(uint8_t index, uint8_t page);
void is31fl3731_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3731_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
@ -119,8 +119,8 @@ void is31fl3731_set_led_control_register(uint8_t index, bool red, bool green, bo
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void is31fl3731_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index);
void is31fl3731_update_pwm_buffers(uint8_t index);
void is31fl3731_update_led_control_registers(uint8_t index);
void is31fl3731_flush(void);

118
drivers/led/issi/is31fl3733-mono.c
View file

@ -62,6 +62,32 @@
# define IS31FL3733_SYNC_4 IS31FL3733_SYNC_NONE
#endif
const uint8_t i2c_addresses[IS31FL3733_DRIVER_COUNT] = {
IS31FL3733_I2C_ADDRESS_1,
#ifdef IS31FL3733_I2C_ADDRESS_2
IS31FL3733_I2C_ADDRESS_2,
# ifdef IS31FL3733_I2C_ADDRESS_3
IS31FL3733_I2C_ADDRESS_3,
# ifdef IS31FL3733_I2C_ADDRESS_4
IS31FL3733_I2C_ADDRESS_4,
# endif
# endif
#endif
};
const uint8_t driver_sync[IS31FL3733_DRIVER_COUNT] = {
IS31FL3733_SYNC_1,
#ifdef IS31FL3733_I2C_ADDRESS_2
IS31FL3733_SYNC_2,
# ifdef IS31FL3733_I2C_ADDRESS_3
IS31FL3733_SYNC_3,
# ifdef IS31FL3733_I2C_ADDRESS_4
IS31FL3733_SYNC_4,
# endif
# endif
#endif
};
// These buffers match the IS31FL3733 PWM registers.
// The control buffers match the page 0 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -74,22 +100,22 @@ bool g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][IS31FL3733_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};
void is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3733_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3733_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3733_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3733_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3733_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3733_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3733_I2C_TIMEOUT);
#endif
}
void is31fl3733_select_page(uint8_t addr, uint8_t page) {
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, page);
void is31fl3733_select_page(uint8_t index, uint8_t page) {
is31fl3733_write_register(index, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(index, IS31FL3733_REG_COMMAND, page);
}
void is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3733_write_pwm_buffer(uint8_t index) {
// Assumes page 1 is already selected.
// Transmit PWM registers in 12 transfers of 16 bytes.
@ -97,10 +123,10 @@ void is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i += 16) {
#if IS31FL3733_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3733_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3733_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3733_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3733_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3733_I2C_TIMEOUT);
#endif
}
}
@ -108,65 +134,52 @@ void is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3733_init_drivers(void) {
i2c_init();
is31fl3733_init(IS31FL3733_I2C_ADDRESS_1, IS31FL3733_SYNC_1);
#if defined(IS31FL3733_I2C_ADDRESS_2)
is31fl3733_init(IS31FL3733_I2C_ADDRESS_2, IS31FL3733_SYNC_2);
# if defined(IS31FL3733_I2C_ADDRESS_3)
is31fl3733_init(IS31FL3733_I2C_ADDRESS_3, IS31FL3733_SYNC_3);
# if defined(IS31FL3733_I2C_ADDRESS_4)
is31fl3733_init(IS31FL3733_I2C_ADDRESS_4, IS31FL3733_SYNC_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3733_DRIVER_COUNT; i++) {
is31fl3733_init(i);
}
for (int i = 0; i < IS31FL3733_LED_COUNT; i++) {
is31fl3733_set_led_control_register(i, true);
}
is31fl3733_update_led_control_registers(IS31FL3733_I2C_ADDRESS_1, 0);
#if defined(IS31FL3733_I2C_ADDRESS_2)
is31fl3733_update_led_control_registers(IS31FL3733_I2C_ADDRESS_2, 1);
# if defined(IS31FL3733_I2C_ADDRESS_3)
is31fl3733_update_led_control_registers(IS31FL3733_I2C_ADDRESS_3, 2);
# if defined(IS31FL3733_I2C_ADDRESS_4)
is31fl3733_update_led_control_registers(IS31FL3733_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3733_DRIVER_COUNT; i++) {
is31fl3733_update_led_control_registers(i);
}
}
void is31fl3733_init(uint8_t addr, uint8_t sync) {
void is31fl3733_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// Sync is passed so set it according to the datasheet.
is31fl3733_select_page(addr, IS31FL3733_COMMAND_LED_CONTROL);
is31fl3733_select_page(index, IS31FL3733_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
is31fl3733_write_register(index, i, 0x00);
}
is31fl3733_select_page(addr, IS31FL3733_COMMAND_PWM);
is31fl3733_select_page(index, IS31FL3733_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (uint8_t i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
is31fl3733_write_register(index, i, 0x00);
}
is31fl3733_select_page(addr, IS31FL3733_COMMAND_FUNCTION);
is31fl3733_select_page(index, IS31FL3733_COMMAND_FUNCTION);
uint8_t sync = driver_sync[index];
// Set de-ghost pull-up resistors (SWx)
is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
is31fl3733_write_register(index, IS31FL3733_FUNCTION_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_CS_PULLDOWN, IS31FL3733_CS_PULLDOWN);
is31fl3733_write_register(index, IS31FL3733_FUNCTION_REG_CS_PULLDOWN, IS31FL3733_CS_PULLDOWN);
// Set global current to maximum.
is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3733_GLOBAL_CURRENT);
is31fl3733_write_register(index, IS31FL3733_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3733_GLOBAL_CURRENT);
// Disable software shutdown.
is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);
is31fl3733_write_register(index, IS31FL3733_FUNCTION_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -209,22 +222,22 @@ void is31fl3733_set_led_control_register(uint8_t index, bool value) {
g_led_control_registers_update_required[led.driver] = true;
}
void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3733_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3733_select_page(addr, IS31FL3733_COMMAND_PWM);
is31fl3733_select_page(index, IS31FL3733_COMMAND_PWM);
is31fl3733_write_pwm_buffer(addr, index);
is31fl3733_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
void is31fl3733_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
is31fl3733_select_page(addr, IS31FL3733_COMMAND_LED_CONTROL);
is31fl3733_select_page(index, IS31FL3733_COMMAND_LED_CONTROL);
for (uint8_t i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
is31fl3733_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -232,14 +245,7 @@ void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void is31fl3733_flush(void) {
is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_1, 0);
#if defined(IS31FL3733_I2C_ADDRESS_2)
is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_2, 1);
# if defined(IS31FL3733_I2C_ADDRESS_3)
is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_3, 2);
# if defined(IS31FL3733_I2C_ADDRESS_4)
is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3733_DRIVER_COUNT; i++) {
is31fl3733_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3733-mono.h
View file

@ -115,9 +115,9 @@ typedef struct is31fl3733_led_t {
extern const is31fl3733_led_t PROGMEM g_is31fl3733_leds[IS31FL3733_LED_COUNT];
void is31fl3733_init_drivers(void);
void is31fl3733_init(uint8_t addr, uint8_t sync);
void is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3733_select_page(uint8_t addr, uint8_t page);
void is31fl3733_init(uint8_t index);
void is31fl3733_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3733_select_page(uint8_t index, uint8_t page);
void is31fl3733_set_value(int index, uint8_t value);
void is31fl3733_set_value_all(uint8_t value);
@ -128,8 +128,8 @@ void is31fl3733_set_led_control_register(uint8_t index, bool value);
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index);
void is31fl3733_update_pwm_buffers(uint8_t index);
void is31fl3733_update_led_control_registers(uint8_t index);
void is31fl3733_flush(void);

118
drivers/led/issi/is31fl3733.c
View file

@ -61,6 +61,32 @@
# define IS31FL3733_SYNC_4 IS31FL3733_SYNC_NONE
#endif
const uint8_t i2c_addresses[IS31FL3733_DRIVER_COUNT] = {
IS31FL3733_I2C_ADDRESS_1,
#ifdef IS31FL3733_I2C_ADDRESS_2
IS31FL3733_I2C_ADDRESS_2,
# ifdef IS31FL3733_I2C_ADDRESS_3
IS31FL3733_I2C_ADDRESS_3,
# ifdef IS31FL3733_I2C_ADDRESS_4
IS31FL3733_I2C_ADDRESS_4,
# endif
# endif
#endif
};
const uint8_t driver_sync[IS31FL3733_DRIVER_COUNT] = {
IS31FL3733_SYNC_1,
#ifdef IS31FL3733_I2C_ADDRESS_2
IS31FL3733_SYNC_2,
# ifdef IS31FL3733_I2C_ADDRESS_3
IS31FL3733_SYNC_3,
# ifdef IS31FL3733_I2C_ADDRESS_4
IS31FL3733_SYNC_4,
# endif
# endif
#endif
};
// These buffers match the IS31FL3733 PWM registers.
// The control buffers match the page 0 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -73,22 +99,22 @@ bool g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][IS31FL3733_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};
void is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3733_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3733_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3733_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3733_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3733_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3733_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3733_I2C_TIMEOUT);
#endif
}
void is31fl3733_select_page(uint8_t addr, uint8_t page) {
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, page);
void is31fl3733_select_page(uint8_t index, uint8_t page) {
is31fl3733_write_register(index, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(index, IS31FL3733_REG_COMMAND, page);
}
void is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3733_write_pwm_buffer(uint8_t index) {
// Assumes page 1 is already selected.
// Transmit PWM registers in 12 transfers of 16 bytes.
@ -96,10 +122,10 @@ void is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i += 16) {
#if IS31FL3733_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3733_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3733_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3733_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3733_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3733_I2C_TIMEOUT);
#endif
}
}
@ -107,65 +133,52 @@ void is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3733_init_drivers(void) {
i2c_init();
is31fl3733_init(IS31FL3733_I2C_ADDRESS_1, IS31FL3733_SYNC_1);
#if defined(IS31FL3733_I2C_ADDRESS_2)
is31fl3733_init(IS31FL3733_I2C_ADDRESS_2, IS31FL3733_SYNC_2);
# if defined(IS31FL3733_I2C_ADDRESS_3)
is31fl3733_init(IS31FL3733_I2C_ADDRESS_3, IS31FL3733_SYNC_3);
# if defined(IS31FL3733_I2C_ADDRESS_4)
is31fl3733_init(IS31FL3733_I2C_ADDRESS_4, IS31FL3733_SYNC_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3733_DRIVER_COUNT; i++) {
is31fl3733_init(i);
}
for (int i = 0; i < IS31FL3733_LED_COUNT; i++) {
is31fl3733_set_led_control_register(i, true, true, true);
}
is31fl3733_update_led_control_registers(IS31FL3733_I2C_ADDRESS_1, 0);
#if defined(IS31FL3733_I2C_ADDRESS_2)
is31fl3733_update_led_control_registers(IS31FL3733_I2C_ADDRESS_2, 1);
# if defined(IS31FL3733_I2C_ADDRESS_3)
is31fl3733_update_led_control_registers(IS31FL3733_I2C_ADDRESS_3, 2);
# if defined(IS31FL3733_I2C_ADDRESS_4)
is31fl3733_update_led_control_registers(IS31FL3733_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3733_DRIVER_COUNT; i++) {
is31fl3733_update_led_control_registers(i);
}
}
void is31fl3733_init(uint8_t addr, uint8_t sync) {
void is31fl3733_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// Sync is passed so set it according to the datasheet.
is31fl3733_select_page(addr, IS31FL3733_COMMAND_LED_CONTROL);
is31fl3733_select_page(index, IS31FL3733_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
is31fl3733_write_register(index, i, 0x00);
}
is31fl3733_select_page(addr, IS31FL3733_COMMAND_PWM);
is31fl3733_select_page(index, IS31FL3733_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (uint8_t i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
is31fl3733_write_register(index, i, 0x00);
}
is31fl3733_select_page(addr, IS31FL3733_COMMAND_FUNCTION);
is31fl3733_select_page(index, IS31FL3733_COMMAND_FUNCTION);
uint8_t sync = driver_sync[index];
// Set de-ghost pull-up resistors (SWx)
is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
is31fl3733_write_register(index, IS31FL3733_FUNCTION_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_CS_PULLDOWN, IS31FL3733_CS_PULLDOWN);
is31fl3733_write_register(index, IS31FL3733_FUNCTION_REG_CS_PULLDOWN, IS31FL3733_CS_PULLDOWN);
// Set global current to maximum.
is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3733_GLOBAL_CURRENT);
is31fl3733_write_register(index, IS31FL3733_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3733_GLOBAL_CURRENT);
// Disable software shutdown.
is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);
is31fl3733_write_register(index, IS31FL3733_FUNCTION_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -224,22 +237,22 @@ void is31fl3733_set_led_control_register(uint8_t index, bool red, bool green, bo
g_led_control_registers_update_required[led.driver] = true;
}
void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3733_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3733_select_page(addr, IS31FL3733_COMMAND_PWM);
is31fl3733_select_page(index, IS31FL3733_COMMAND_PWM);
is31fl3733_write_pwm_buffer(addr, index);
is31fl3733_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
void is31fl3733_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
is31fl3733_select_page(addr, IS31FL3733_COMMAND_LED_CONTROL);
is31fl3733_select_page(index, IS31FL3733_COMMAND_LED_CONTROL);
for (uint8_t i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
is31fl3733_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -247,14 +260,7 @@ void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void is31fl3733_flush(void) {
is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_1, 0);
#if defined(IS31FL3733_I2C_ADDRESS_2)
is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_2, 1);
# if defined(IS31FL3733_I2C_ADDRESS_3)
is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_3, 2);
# if defined(IS31FL3733_I2C_ADDRESS_4)
is31fl3733_update_pwm_buffers(IS31FL3733_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3733_DRIVER_COUNT; i++) {
is31fl3733_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3733.h
View file

@ -140,9 +140,9 @@ typedef struct is31fl3733_led_t {
extern const is31fl3733_led_t PROGMEM g_is31fl3733_leds[IS31FL3733_LED_COUNT];
void is31fl3733_init_drivers(void);
void is31fl3733_init(uint8_t addr, uint8_t sync);
void is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3733_select_page(uint8_t addr, uint8_t page);
void is31fl3733_init(uint8_t index);
void is31fl3733_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3733_select_page(uint8_t index, uint8_t page);
void is31fl3733_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3733_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
@ -153,8 +153,8 @@ void is31fl3733_set_led_control_register(uint8_t index, bool red, bool green, bo
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index);
void is31fl3733_update_pwm_buffers(uint8_t index);
void is31fl3733_update_led_control_registers(uint8_t index);
void is31fl3733_flush(void);

102
drivers/led/issi/is31fl3736-mono.c
View file

@ -46,6 +46,19 @@
# define IS31FL3736_GLOBAL_CURRENT 0xFF
#endif
const uint8_t i2c_addresses[IS31FL3736_DRIVER_COUNT] = {
IS31FL3736_I2C_ADDRESS_1,
#ifdef IS31FL3736_I2C_ADDRESS_2
IS31FL3736_I2C_ADDRESS_2,
# ifdef IS31FL3736_I2C_ADDRESS_3
IS31FL3736_I2C_ADDRESS_3,
# ifdef IS31FL3736_I2C_ADDRESS_4
IS31FL3736_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the IS31FL3736 PWM registers.
// The control buffers match the page 0 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -58,22 +71,22 @@ bool g_pwm_buffer_update_required[IS31FL3736_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3736_DRIVER_COUNT][IS31FL3736_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3736_DRIVER_COUNT] = {false};
void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3736_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3736_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3736_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3736_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3736_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3736_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3736_I2C_TIMEOUT);
#endif
}
void is31fl3736_select_page(uint8_t addr, uint8_t page) {
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, page);
void is31fl3736_select_page(uint8_t index, uint8_t page) {
is31fl3736_write_register(index, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_write_register(index, IS31FL3736_REG_COMMAND, page);
}
void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3736_write_pwm_buffer(uint8_t index) {
// Assumes page 1 is already selected.
// Transmit PWM registers in 12 transfers of 16 bytes.
@ -81,10 +94,10 @@ void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3736_PWM_REGISTER_COUNT; i += 16) {
#if IS31FL3736_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3736_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3736_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3736_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3736_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3736_I2C_TIMEOUT);
#endif
}
}
@ -92,64 +105,50 @@ void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3736_init_drivers(void) {
i2c_init();
is31fl3736_init(IS31FL3736_I2C_ADDRESS_1);
#if defined(IS31FL3736_I2C_ADDRESS_2)
is31fl3736_init(IS31FL3736_I2C_ADDRESS_2);
# if defined(IS31FL3736_I2C_ADDRESS_3)
is31fl3736_init(IS31FL3736_I2C_ADDRESS_3);
# if defined(IS31FL3736_I2C_ADDRESS_4)
is31fl3736_init(IS31FL3736_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3736_DRIVER_COUNT; i++) {
is31fl3736_init(i);
}
for (int i = 0; i < IS31FL3736_LED_COUNT; i++) {
is31fl3736_set_led_control_register(i, true);
}
is31fl3736_update_led_control_registers(IS31FL3736_I2C_ADDRESS_1, 0);
#if defined(IS31FL3736_I2C_ADDRESS_2)
is31fl3736_update_led_control_registers(IS31FL3736_I2C_ADDRESS_2, 1);
# if defined(IS31FL3736_I2C_ADDRESS_3)
is31fl3736_update_led_control_registers(IS31FL3736_I2C_ADDRESS_3, 2);
# if defined(IS31FL3736_I2C_ADDRESS_4)
is31fl3736_update_led_control_registers(IS31FL3736_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3736_DRIVER_COUNT; i++) {
is31fl3736_update_led_control_registers(i);
}
}
void is31fl3736_init(uint8_t addr) {
void is31fl3736_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3736_select_page(addr, IS31FL3736_COMMAND_LED_CONTROL);
is31fl3736_select_page(index, IS31FL3736_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, 0x00);
is31fl3736_write_register(index, i, 0x00);
}
is31fl3736_select_page(addr, IS31FL3736_COMMAND_PWM);
is31fl3736_select_page(index, IS31FL3736_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (uint8_t i = 0; i < IS31FL3736_PWM_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, 0x00);
is31fl3736_write_register(index, i, 0x00);
}
is31fl3736_select_page(addr, IS31FL3736_COMMAND_FUNCTION);
is31fl3736_select_page(index, IS31FL3736_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_SW_PULLUP, IS31FL3736_SW_PULLUP);
is31fl3736_write_register(index, IS31FL3736_FUNCTION_REG_SW_PULLUP, IS31FL3736_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_CS_PULLDOWN, IS31FL3736_CS_PULLDOWN);
is31fl3736_write_register(index, IS31FL3736_FUNCTION_REG_CS_PULLDOWN, IS31FL3736_CS_PULLDOWN);
// Set global current to maximum.
is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3736_GLOBAL_CURRENT);
is31fl3736_write_register(index, IS31FL3736_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3736_GLOBAL_CURRENT);
// Disable software shutdown.
is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_CONFIGURATION, ((IS31FL3736_PWM_FREQUENCY & 0b111) << 3) | 0x01);
is31fl3736_write_register(index, IS31FL3736_FUNCTION_REG_CONFIGURATION, ((IS31FL3736_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -198,22 +197,22 @@ void is31fl3736_set_led_control_register(uint8_t index, bool value) {
g_led_control_registers_update_required[led.driver] = true;
}
void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3736_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3736_select_page(addr, IS31FL3736_COMMAND_PWM);
is31fl3736_select_page(index, IS31FL3736_COMMAND_PWM);
is31fl3736_write_pwm_buffer(addr, index);
is31fl3736_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
void is31fl3736_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
is31fl3736_select_page(addr, IS31FL3736_COMMAND_LED_CONTROL);
is31fl3736_select_page(index, IS31FL3736_COMMAND_LED_CONTROL);
for (uint8_t i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, g_led_control_registers[index][i]);
is31fl3736_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -221,14 +220,7 @@ void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void is31fl3736_flush(void) {
is31fl3736_update_pwm_buffers(IS31FL3736_I2C_ADDRESS_1, 0);
#if defined(IS31FL3736_I2C_ADDRESS_2)
is31fl3736_update_pwm_buffers(IS31FL3736_I2C_ADDRESS_2, 1);
# if defined(IS31FL3736_I2C_ADDRESS_3)
is31fl3736_update_pwm_buffers(IS31FL3736_I2C_ADDRESS_3, 2);
# if defined(IS31FL3736_I2C_ADDRESS_4)
is31fl3736_update_pwm_buffers(IS31FL3736_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3736_DRIVER_COUNT; i++) {
is31fl3736_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3736-mono.h
View file

@ -110,9 +110,9 @@ typedef struct is31fl3736_led_t {
extern const is31fl3736_led_t PROGMEM g_is31fl3736_leds[IS31FL3736_LED_COUNT];
void is31fl3736_init_drivers(void);
void is31fl3736_init(uint8_t addr);
void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3736_select_page(uint8_t addr, uint8_t page);
void is31fl3736_init(uint8_t index);
void is31fl3736_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3736_select_page(uint8_t index, uint8_t page);
void is31fl3736_set_value(int index, uint8_t value);
void is31fl3736_set_value_all(uint8_t value);
@ -123,8 +123,8 @@ void is31fl3736_set_led_control_register(uint8_t index, bool value);
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index);
void is31fl3736_update_pwm_buffers(uint8_t index);
void is31fl3736_update_led_control_registers(uint8_t index);
void is31fl3736_flush(void);

102
drivers/led/issi/is31fl3736.c
View file

@ -46,6 +46,19 @@
# define IS31FL3736_GLOBAL_CURRENT 0xFF
#endif
const uint8_t i2c_addresses[IS31FL3736_DRIVER_COUNT] = {
IS31FL3736_I2C_ADDRESS_1,
#ifdef IS31FL3736_I2C_ADDRESS_2
IS31FL3736_I2C_ADDRESS_2,
# ifdef IS31FL3736_I2C_ADDRESS_3
IS31FL3736_I2C_ADDRESS_3,
# ifdef IS31FL3736_I2C_ADDRESS_4
IS31FL3736_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the IS31FL3736 PWM registers.
// The control buffers match the page 0 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -58,22 +71,22 @@ bool g_pwm_buffer_update_required[IS31FL3736_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3736_DRIVER_COUNT][IS31FL3736_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3736_DRIVER_COUNT] = {false};
void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3736_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3736_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3736_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3736_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3736_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3736_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3736_I2C_TIMEOUT);
#endif
}
void is31fl3736_select_page(uint8_t addr, uint8_t page) {
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, page);
void is31fl3736_select_page(uint8_t index, uint8_t page) {
is31fl3736_write_register(index, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
is31fl3736_write_register(index, IS31FL3736_REG_COMMAND, page);
}
void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3736_write_pwm_buffer(uint8_t index) {
// Assumes page 1 is already selected.
// Transmit PWM registers in 12 transfers of 16 bytes.
@ -81,10 +94,10 @@ void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3736_PWM_REGISTER_COUNT; i += 16) {
#if IS31FL3736_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3736_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3736_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3736_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3736_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3736_I2C_TIMEOUT);
#endif
}
}
@ -92,64 +105,50 @@ void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3736_init_drivers(void) {
i2c_init();
is31fl3736_init(IS31FL3736_I2C_ADDRESS_1);
#if defined(IS31FL3736_I2C_ADDRESS_2)
is31fl3736_init(IS31FL3736_I2C_ADDRESS_2);
# if defined(IS31FL3736_I2C_ADDRESS_3)
is31fl3736_init(IS31FL3736_I2C_ADDRESS_3);
# if defined(IS31FL3736_I2C_ADDRESS_4)
is31fl3736_init(IS31FL3736_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3736_DRIVER_COUNT; i++) {
is31fl3736_init(i);
}
for (int i = 0; i < IS31FL3736_LED_COUNT; i++) {
is31fl3736_set_led_control_register(i, true, true, true);
}
is31fl3736_update_led_control_registers(IS31FL3736_I2C_ADDRESS_1, 0);
#if defined(IS31FL3736_I2C_ADDRESS_2)
is31fl3736_update_led_control_registers(IS31FL3736_I2C_ADDRESS_2, 1);
# if defined(IS31FL3736_I2C_ADDRESS_3)
is31fl3736_update_led_control_registers(IS31FL3736_I2C_ADDRESS_3, 2);
# if defined(IS31FL3736_I2C_ADDRESS_4)
is31fl3736_update_led_control_registers(IS31FL3736_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3736_DRIVER_COUNT; i++) {
is31fl3736_update_led_control_registers(i);
}
}
void is31fl3736_init(uint8_t addr) {
void is31fl3736_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3736_select_page(addr, IS31FL3736_COMMAND_LED_CONTROL);
is31fl3736_select_page(index, IS31FL3736_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, 0x00);
is31fl3736_write_register(index, i, 0x00);
}
is31fl3736_select_page(addr, IS31FL3736_COMMAND_PWM);
is31fl3736_select_page(index, IS31FL3736_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (uint8_t i = 0; i < IS31FL3736_PWM_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, 0x00);
is31fl3736_write_register(index, i, 0x00);
}
is31fl3736_select_page(addr, IS31FL3736_COMMAND_FUNCTION);
is31fl3736_select_page(index, IS31FL3736_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_SW_PULLUP, IS31FL3736_SW_PULLUP);
is31fl3736_write_register(index, IS31FL3736_FUNCTION_REG_SW_PULLUP, IS31FL3736_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_CS_PULLDOWN, IS31FL3736_CS_PULLDOWN);
is31fl3736_write_register(index, IS31FL3736_FUNCTION_REG_CS_PULLDOWN, IS31FL3736_CS_PULLDOWN);
// Set global current to maximum.
is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3736_GLOBAL_CURRENT);
is31fl3736_write_register(index, IS31FL3736_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3736_GLOBAL_CURRENT);
// Disable software shutdown.
is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_CONFIGURATION, ((IS31FL3736_PWM_FREQUENCY & 0b111) << 3) | 0x01);
is31fl3736_write_register(index, IS31FL3736_FUNCTION_REG_CONFIGURATION, ((IS31FL3736_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -215,22 +214,22 @@ void is31fl3736_set_led_control_register(uint8_t index, bool red, bool green, bo
g_led_control_registers_update_required[led.driver] = true;
}
void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3736_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3736_select_page(addr, IS31FL3736_COMMAND_PWM);
is31fl3736_select_page(index, IS31FL3736_COMMAND_PWM);
is31fl3736_write_pwm_buffer(addr, index);
is31fl3736_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
void is31fl3736_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
is31fl3736_select_page(addr, IS31FL3736_COMMAND_LED_CONTROL);
is31fl3736_select_page(index, IS31FL3736_COMMAND_LED_CONTROL);
for (uint8_t i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, g_led_control_registers[index][i]);
is31fl3736_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -238,14 +237,7 @@ void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void is31fl3736_flush(void) {
is31fl3736_update_pwm_buffers(IS31FL3736_I2C_ADDRESS_1, 0);
#if defined(IS31FL3736_I2C_ADDRESS_2)
is31fl3736_update_pwm_buffers(IS31FL3736_I2C_ADDRESS_2, 1);
# if defined(IS31FL3736_I2C_ADDRESS_3)
is31fl3736_update_pwm_buffers(IS31FL3736_I2C_ADDRESS_3, 2);
# if defined(IS31FL3736_I2C_ADDRESS_4)
is31fl3736_update_pwm_buffers(IS31FL3736_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3736_DRIVER_COUNT; i++) {
is31fl3736_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3736.h
View file

@ -124,9 +124,9 @@ typedef struct is31fl3736_led_t {
extern const is31fl3736_led_t PROGMEM g_is31fl3736_leds[IS31FL3736_LED_COUNT];
void is31fl3736_init_drivers(void);
void is31fl3736_init(uint8_t addr);
void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3736_select_page(uint8_t addr, uint8_t page);
void is31fl3736_init(uint8_t index);
void is31fl3736_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3736_select_page(uint8_t index, uint8_t page);
void is31fl3736_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3736_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
@ -137,8 +137,8 @@ void is31fl3736_set_led_control_register(uint8_t index, bool red, bool green, bo
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index);
void is31fl3736_update_pwm_buffers(uint8_t index);
void is31fl3736_update_led_control_registers(uint8_t index);
void is31fl3736_flush(void);

102
drivers/led/issi/is31fl3737-mono.c
View file

@ -48,6 +48,19 @@
# define IS31FL3737_GLOBAL_CURRENT 0xFF
#endif
const uint8_t i2c_addresses[IS31FL3737_DRIVER_COUNT] = {
IS31FL3737_I2C_ADDRESS_1,
#ifdef IS31FL3737_I2C_ADDRESS_2
IS31FL3737_I2C_ADDRESS_2,
# ifdef IS31FL3737_I2C_ADDRESS_3
IS31FL3737_I2C_ADDRESS_3,
# ifdef IS31FL3737_I2C_ADDRESS_4
IS31FL3737_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the IS31FL3737 PWM registers.
// The control buffers match the page 0 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -61,22 +74,22 @@ bool g_pwm_buffer_update_required[IS31FL3737_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3737_DRIVER_COUNT][IS31FL3737_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3737_DRIVER_COUNT] = {false};
void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3737_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3737_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3737_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3737_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3737_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3737_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3737_I2C_TIMEOUT);
#endif
}
void is31fl3737_select_page(uint8_t addr, uint8_t page) {
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, page);
void is31fl3737_select_page(uint8_t index, uint8_t page) {
is31fl3737_write_register(index, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_write_register(index, IS31FL3737_REG_COMMAND, page);
}
void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3737_write_pwm_buffer(uint8_t index) {
// Assumes page 1 is already selected.
// Transmit PWM registers in 12 transfers of 16 bytes.
@ -84,10 +97,10 @@ void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i += 16) {
#if IS31FL3737_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3737_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3737_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3737_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3737_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3737_I2C_TIMEOUT);
#endif
}
}
@ -95,64 +108,50 @@ void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3737_init_drivers(void) {
i2c_init();
is31fl3737_init(IS31FL3737_I2C_ADDRESS_1);
#if defined(IS31FL3737_I2C_ADDRESS_2)
is31fl3737_init(IS31FL3737_I2C_ADDRESS_2);
# if defined(IS31FL3737_I2C_ADDRESS_3)
is31fl3737_init(IS31FL3737_I2C_ADDRESS_3);
# if defined(IS31FL3737_I2C_ADDRESS_4)
is31fl3737_init(IS31FL3737_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3737_DRIVER_COUNT; i++) {
is31fl3737_init(i);
}
for (int i = 0; i < IS31FL3737_LED_COUNT; i++) {
is31fl3737_set_led_control_register(i, true);
}
is31fl3737_update_led_control_registers(IS31FL3737_I2C_ADDRESS_1, 0);
#if defined(IS31FL3737_I2C_ADDRESS_2)
is31fl3737_update_led_control_registers(IS31FL3737_I2C_ADDRESS_2, 1);
# if defined(IS31FL3737_I2C_ADDRESS_3)
is31fl3737_update_led_control_registers(IS31FL3737_I2C_ADDRESS_3, 2);
# if defined(IS31FL3737_I2C_ADDRESS_4)
is31fl3737_update_led_control_registers(IS31FL3737_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3737_DRIVER_COUNT; i++) {
is31fl3737_update_led_control_registers(i);
}
}
void is31fl3737_init(uint8_t addr) {
void is31fl3737_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3737_select_page(addr, IS31FL3737_COMMAND_LED_CONTROL);
is31fl3737_select_page(index, IS31FL3737_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00);
is31fl3737_write_register(index, i, 0x00);
}
is31fl3737_select_page(addr, IS31FL3737_COMMAND_PWM);
is31fl3737_select_page(index, IS31FL3737_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (uint8_t i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00);
is31fl3737_write_register(index, i, 0x00);
}
is31fl3737_select_page(addr, IS31FL3737_COMMAND_FUNCTION);
is31fl3737_select_page(index, IS31FL3737_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_SW_PULLUP, IS31FL3737_SW_PULLUP);
is31fl3737_write_register(index, IS31FL3737_FUNCTION_REG_SW_PULLUP, IS31FL3737_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_CS_PULLDOWN, IS31FL3737_CS_PULLDOWN);
is31fl3737_write_register(index, IS31FL3737_FUNCTION_REG_CS_PULLDOWN, IS31FL3737_CS_PULLDOWN);
// Set global current to maximum.
is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3737_GLOBAL_CURRENT);
is31fl3737_write_register(index, IS31FL3737_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3737_GLOBAL_CURRENT);
// Disable software shutdown.
is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01);
is31fl3737_write_register(index, IS31FL3737_FUNCTION_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -195,22 +194,22 @@ void is31fl3737_set_led_control_register(uint8_t index, bool value) {
g_led_control_registers_update_required[led.driver] = true;
}
void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3737_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3737_select_page(addr, IS31FL3737_COMMAND_PWM);
is31fl3737_select_page(index, IS31FL3737_COMMAND_PWM);
is31fl3737_write_pwm_buffer(addr, index);
is31fl3737_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
void is31fl3737_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
is31fl3737_select_page(addr, IS31FL3737_COMMAND_LED_CONTROL);
is31fl3737_select_page(index, IS31FL3737_COMMAND_LED_CONTROL);
for (uint8_t i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
is31fl3737_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -218,14 +217,7 @@ void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void is31fl3737_flush(void) {
is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_1, 0);
#if defined(IS31FL3737_I2C_ADDRESS_2)
is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_2, 1);
# if defined(IS31FL3737_I2C_ADDRESS_3)
is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_3, 2);
# if defined(IS31FL3737_I2C_ADDRESS_4)
is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3737_DRIVER_COUNT; i++) {
is31fl3737_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3737-mono.h
View file

@ -100,9 +100,9 @@ typedef struct is31fl3737_led_t {
extern const is31fl3737_led_t PROGMEM g_is31fl3737_leds[IS31FL3737_LED_COUNT];
void is31fl3737_init_drivers(void);
void is31fl3737_init(uint8_t addr);
void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3737_select_page(uint8_t addr, uint8_t page);
void is31fl3737_init(uint8_t index);
void is31fl3737_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3737_select_page(uint8_t index, uint8_t page);
void is31fl3737_set_value(int index, uint8_t value);
void is31fl3737_set_value_all(uint8_t value);
@ -113,8 +113,8 @@ void is31fl3737_set_led_control_register(uint8_t index, bool value);
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index);
void is31fl3737_update_pwm_buffers(uint8_t index);
void is31fl3737_update_led_control_registers(uint8_t index);
void is31fl3737_flush(void);

102
drivers/led/issi/is31fl3737.c
View file

@ -48,6 +48,19 @@
# define IS31FL3737_GLOBAL_CURRENT 0xFF
#endif
const uint8_t i2c_addresses[IS31FL3737_DRIVER_COUNT] = {
IS31FL3737_I2C_ADDRESS_1,
#ifdef IS31FL3737_I2C_ADDRESS_2
IS31FL3737_I2C_ADDRESS_2,
# ifdef IS31FL3737_I2C_ADDRESS_3
IS31FL3737_I2C_ADDRESS_3,
# ifdef IS31FL3737_I2C_ADDRESS_4
IS31FL3737_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the IS31FL3737 PWM registers.
// The control buffers match the page 0 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -61,22 +74,22 @@ bool g_pwm_buffer_update_required[IS31FL3737_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3737_DRIVER_COUNT][IS31FL3737_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3737_DRIVER_COUNT] = {false};
void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3737_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3737_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3737_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3737_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3737_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3737_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3737_I2C_TIMEOUT);
#endif
}
void is31fl3737_select_page(uint8_t addr, uint8_t page) {
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, page);
void is31fl3737_select_page(uint8_t index, uint8_t page) {
is31fl3737_write_register(index, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
is31fl3737_write_register(index, IS31FL3737_REG_COMMAND, page);
}
void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3737_write_pwm_buffer(uint8_t index) {
// Assumes page 1 is already selected.
// Transmit PWM registers in 12 transfers of 16 bytes.
@ -84,10 +97,10 @@ void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i += 16) {
#if IS31FL3737_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3737_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3737_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3737_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3737_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, IS31FL3737_I2C_TIMEOUT);
#endif
}
}
@ -95,64 +108,50 @@ void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3737_init_drivers(void) {
i2c_init();
is31fl3737_init(IS31FL3737_I2C_ADDRESS_1);
#if defined(IS31FL3737_I2C_ADDRESS_2)
is31fl3737_init(IS31FL3737_I2C_ADDRESS_2);
# if defined(IS31FL3737_I2C_ADDRESS_3)
is31fl3737_init(IS31FL3737_I2C_ADDRESS_3);
# if defined(IS31FL3737_I2C_ADDRESS_4)
is31fl3737_init(IS31FL3737_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3737_DRIVER_COUNT; i++) {
is31fl3737_init(i);
}
for (int i = 0; i < IS31FL3737_LED_COUNT; i++) {
is31fl3737_set_led_control_register(i, true, true, true);
}
is31fl3737_update_led_control_registers(IS31FL3737_I2C_ADDRESS_1, 0);
#if defined(IS31FL3737_I2C_ADDRESS_2)
is31fl3737_update_led_control_registers(IS31FL3737_I2C_ADDRESS_2, 1);
# if defined(IS31FL3737_I2C_ADDRESS_3)
is31fl3737_update_led_control_registers(IS31FL3737_I2C_ADDRESS_3, 2);
# if defined(IS31FL3737_I2C_ADDRESS_4)
is31fl3737_update_led_control_registers(IS31FL3737_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3737_DRIVER_COUNT; i++) {
is31fl3737_update_led_control_registers(i);
}
}
void is31fl3737_init(uint8_t addr) {
void is31fl3737_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3737_select_page(addr, IS31FL3737_COMMAND_LED_CONTROL);
is31fl3737_select_page(index, IS31FL3737_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00);
is31fl3737_write_register(index, i, 0x00);
}
is31fl3737_select_page(addr, IS31FL3737_COMMAND_PWM);
is31fl3737_select_page(index, IS31FL3737_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (uint8_t i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00);
is31fl3737_write_register(index, i, 0x00);
}
is31fl3737_select_page(addr, IS31FL3737_COMMAND_FUNCTION);
is31fl3737_select_page(index, IS31FL3737_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_SW_PULLUP, IS31FL3737_SW_PULLUP);
is31fl3737_write_register(index, IS31FL3737_FUNCTION_REG_SW_PULLUP, IS31FL3737_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_CS_PULLDOWN, IS31FL3737_CS_PULLDOWN);
is31fl3737_write_register(index, IS31FL3737_FUNCTION_REG_CS_PULLDOWN, IS31FL3737_CS_PULLDOWN);
// Set global current to maximum.
is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3737_GLOBAL_CURRENT);
is31fl3737_write_register(index, IS31FL3737_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3737_GLOBAL_CURRENT);
// Disable software shutdown.
is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01);
is31fl3737_write_register(index, IS31FL3737_FUNCTION_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -211,22 +210,22 @@ void is31fl3737_set_led_control_register(uint8_t index, bool red, bool green, bo
g_led_control_registers_update_required[led.driver] = true;
}
void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3737_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3737_select_page(addr, IS31FL3737_COMMAND_PWM);
is31fl3737_select_page(index, IS31FL3737_COMMAND_PWM);
is31fl3737_write_pwm_buffer(addr, index);
is31fl3737_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
void is31fl3737_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
is31fl3737_select_page(addr, IS31FL3737_COMMAND_LED_CONTROL);
is31fl3737_select_page(index, IS31FL3737_COMMAND_LED_CONTROL);
for (uint8_t i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
is31fl3737_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -234,14 +233,7 @@ void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void is31fl3737_flush(void) {
is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_1, 0);
#if defined(IS31FL3737_I2C_ADDRESS_2)
is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_2, 1);
# if defined(IS31FL3737_I2C_ADDRESS_3)
is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_3, 2);
# if defined(IS31FL3737_I2C_ADDRESS_4)
is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3737_DRIVER_COUNT; i++) {
is31fl3737_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3737.h
View file

@ -117,9 +117,9 @@ typedef struct is31fl3737_led_t {
extern const is31fl3737_led_t PROGMEM g_is31fl3737_leds[IS31FL3737_LED_COUNT];
void is31fl3737_init_drivers(void);
void is31fl3737_init(uint8_t addr);
void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3737_select_page(uint8_t addr, uint8_t page);
void is31fl3737_init(uint8_t index);
void is31fl3737_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3737_select_page(uint8_t index, uint8_t page);
void is31fl3737_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3737_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
@ -130,8 +130,8 @@ void is31fl3737_set_led_control_register(uint8_t index, bool red, bool green, bo
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index);
void is31fl3737_update_pwm_buffers(uint8_t index);
void is31fl3737_update_led_control_registers(uint8_t index);
void is31fl3737_flush(void);

106
drivers/led/issi/is31fl3741-mono.c
View file

@ -52,6 +52,19 @@
# define IS31FL3741_GLOBAL_CURRENT 0xFF
#endif
const uint8_t i2c_addresses[IS31FL3741_DRIVER_COUNT] = {
IS31FL3741_I2C_ADDRESS_1,
#ifdef IS31FL3741_I2C_ADDRESS_2
IS31FL3741_I2C_ADDRESS_2,
# ifdef IS31FL3741_I2C_ADDRESS_3
IS31FL3741_I2C_ADDRESS_3,
# ifdef IS31FL3741_I2C_ADDRESS_4
IS31FL3741_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the IS31FL3741 and IS31FL3741A PWM registers.
// The scaling buffers match the page 2 and 3 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -64,98 +77,84 @@ bool g_scaling_registers_update_required[IS31FL3741_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3741_DRIVER_COUNT][IS31FL3741_SCALING_REGISTER_COUNT];
void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3741_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3741_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3741_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3741_I2C_TIMEOUT);
#endif
}
void is31fl3741_select_page(uint8_t addr, uint8_t page) {
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, page);
void is31fl3741_select_page(uint8_t index, uint8_t page) {
is31fl3741_write_register(index, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(index, IS31FL3741_REG_COMMAND, page);
}
void is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3741_write_pwm_buffer(uint8_t index) {
// Assume page 0 is already selected
for (uint16_t i = 0; i < 342; i += 18) {
if (i == 180) {
is31fl3741_select_page(addr, IS31FL3741_COMMAND_PWM_1);
is31fl3741_select_page(index, IS31FL3741_COMMAND_PWM_1);
}
#if IS31FL3741_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3741_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i % 180, g_pwm_buffer[index] + i, 18, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i % 180, g_pwm_buffer[index] + i, 18, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i % 180, g_pwm_buffer[index] + i, 18, IS31FL3741_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i % 180, g_pwm_buffer[index] + i, 18, IS31FL3741_I2C_TIMEOUT);
#endif
}
// transfer the left cause the total number is 351
#if IS31FL3741_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, 162, g_pwm_buffer[index] + 342, 9, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, 162, g_pwm_buffer[index] + 342, 9, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, 162, g_pwm_buffer[index] + 342, 9, IS31FL3741_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, 162, g_pwm_buffer[index] + 342, 9, IS31FL3741_I2C_TIMEOUT);
#endif
}
void is31fl3741_init_drivers(void) {
i2c_init();
is31fl3741_init(IS31FL3741_I2C_ADDRESS_1);
#if defined(IS31FL3741_I2C_ADDRESS_2)
is31fl3741_init(IS31FL3741_I2C_ADDRESS_2);
# if defined(IS31FL3741_I2C_ADDRESS_3)
is31fl3741_init(IS31FL3741_I2C_ADDRESS_3);
# if defined(IS31FL3741_I2C_ADDRESS_4)
is31fl3741_init(IS31FL3741_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3741_DRIVER_COUNT; i++) {
is31fl3741_init(i);
}
for (int i = 0; i < IS31FL3741_LED_COUNT; i++) {
is31fl3741_set_led_control_register(i, true);
}
is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_1, 0);
#if defined(IS31FL3741_I2C_ADDRESS_2)
is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_2, 1);
# if defined(IS31FL3741_I2C_ADDRESS_3)
is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_3, 2);
# if defined(IS31FL3741_I2C_ADDRESS_4)
is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3741_DRIVER_COUNT; i++) {
is31fl3741_update_led_control_registers(i);
}
}
void is31fl3741_init(uint8_t addr) {
void is31fl3741_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// Unlock the command register.
is31fl3741_select_page(addr, IS31FL3741_COMMAND_FUNCTION);
is31fl3741_select_page(index, IS31FL3741_COMMAND_FUNCTION);
// Set to Normal operation
is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
is31fl3741_write_register(index, IS31FL3741_FUNCTION_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
// Set Golbal Current Control Register
is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3741_GLOBAL_CURRENT);
is31fl3741_write_register(index, IS31FL3741_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3741_GLOBAL_CURRENT);
// Set Pull up & Down for SWx CSy
is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_PULLDOWNUP, ((IS31FL3741_CS_PULLDOWN << 4) | IS31FL3741_SW_PULLUP));
is31fl3741_write_register(index, IS31FL3741_FUNCTION_REG_PULLDOWNUP, ((IS31FL3741_CS_PULLDOWN << 4) | IS31FL3741_SW_PULLUP));
// Set PWM frequency
is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111));
is31fl3741_write_register(index, IS31FL3741_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111));
// is31fl3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF);
// is31fl3741_update_led_scaling_registers(index, 0xFF, 0xFF, 0xFF);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -195,11 +194,11 @@ void is31fl3741_set_led_control_register(uint8_t index, bool value) {
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3741_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3741_select_page(addr, IS31FL3741_COMMAND_PWM_0);
is31fl3741_select_page(index, IS31FL3741_COMMAND_PWM_0);
is31fl3741_write_pwm_buffer(addr, index);
is31fl3741_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
@ -210,20 +209,20 @@ void is31fl3741_set_pwm_buffer(const is31fl3741_led_t *pled, uint8_t value) {
g_pwm_buffer_update_required[pled->driver] = true;
}
void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index) {
void is31fl3741_update_led_control_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3741_select_page(addr, IS31FL3741_COMMAND_SCALING_0);
is31fl3741_select_page(index, IS31FL3741_COMMAND_SCALING_0);
// CS1_SW1 to CS30_SW6 are on page 2
for (int i = CS1_SW1; i <= CS30_SW6; ++i) {
is31fl3741_write_register(addr, i, g_scaling_registers[index][i]);
is31fl3741_write_register(index, i, g_scaling_registers[index][i]);
}
is31fl3741_select_page(addr, IS31FL3741_COMMAND_SCALING_1);
is31fl3741_select_page(index, IS31FL3741_COMMAND_SCALING_1);
// CS1_SW7 to CS39_SW9 are on page 3
for (int i = CS1_SW7; i <= CS39_SW9; ++i) {
is31fl3741_write_register(addr, i - CS1_SW7, g_scaling_registers[index][i]);
is31fl3741_write_register(index, i - CS1_SW7, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@ -236,14 +235,7 @@ void is31fl3741_set_scaling_registers(const is31fl3741_led_t *pled, uint8_t valu
}
void is31fl3741_flush(void) {
is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_1, 0);
#if defined(IS31FL3741_I2C_ADDRESS_2)
is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_2, 1);
# if defined(IS31FL3741_I2C_ADDRESS_3)
is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_3, 2);
# if defined(IS31FL3741_I2C_ADDRESS_4)
is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3741_DRIVER_COUNT; i++) {
is31fl3741_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3741-mono.h
View file

@ -102,9 +102,9 @@ typedef struct is31fl3741_led_t {
extern const is31fl3741_led_t PROGMEM g_is31fl3741_leds[IS31FL3741_LED_COUNT];
void is31fl3741_init_drivers(void);
void is31fl3741_init(uint8_t addr);
void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3741_select_page(uint8_t addr, uint8_t page);
void is31fl3741_init(uint8_t index);
void is31fl3741_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3741_select_page(uint8_t index, uint8_t page);
void is31fl3741_set_value(int index, uint8_t value);
void is31fl3741_set_value_all(uint8_t value);
@ -115,8 +115,8 @@ void is31fl3741_set_led_control_register(uint8_t index, bool value);
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index);
void is31fl3741_update_pwm_buffers(uint8_t index);
void is31fl3741_update_led_control_registers(uint8_t index);
void is31fl3741_set_scaling_registers(const is31fl3741_led_t *pled, uint8_t value);
void is31fl3741_set_pwm_buffer(const is31fl3741_led_t *pled, uint8_t value);

106
drivers/led/issi/is31fl3741.c
View file

@ -52,6 +52,19 @@
# define IS31FL3741_GLOBAL_CURRENT 0xFF
#endif
const uint8_t i2c_addresses[IS31FL3741_DRIVER_COUNT] = {
IS31FL3741_I2C_ADDRESS_1,
#ifdef IS31FL3741_I2C_ADDRESS_2
IS31FL3741_I2C_ADDRESS_2,
# ifdef IS31FL3741_I2C_ADDRESS_3
IS31FL3741_I2C_ADDRESS_3,
# ifdef IS31FL3741_I2C_ADDRESS_4
IS31FL3741_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the IS31FL3741 and IS31FL3741A PWM registers.
// The scaling buffers match the page 2 and 3 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -64,98 +77,84 @@ bool g_scaling_registers_update_required[IS31FL3741_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3741_DRIVER_COUNT][IS31FL3741_SCALING_REGISTER_COUNT];
void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3741_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3741_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3741_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3741_I2C_TIMEOUT);
#endif
}
void is31fl3741_select_page(uint8_t addr, uint8_t page) {
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, page);
void is31fl3741_select_page(uint8_t index, uint8_t page) {
is31fl3741_write_register(index, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
is31fl3741_write_register(index, IS31FL3741_REG_COMMAND, page);
}
void is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3741_write_pwm_buffer(uint8_t index) {
// Assume page 0 is already selected
for (uint16_t i = 0; i < 342; i += 18) {
if (i == 180) {
is31fl3741_select_page(addr, IS31FL3741_COMMAND_PWM_1);
is31fl3741_select_page(index, IS31FL3741_COMMAND_PWM_1);
}
#if IS31FL3741_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3741_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i % 180, g_pwm_buffer[index] + i, 18, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i % 180, g_pwm_buffer[index] + i, 18, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i % 180, g_pwm_buffer[index] + i, 18, IS31FL3741_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i % 180, g_pwm_buffer[index] + i, 18, IS31FL3741_I2C_TIMEOUT);
#endif
}
// transfer the left cause the total number is 351
#if IS31FL3741_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, 162, g_pwm_buffer[index] + 342, 9, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, 162, g_pwm_buffer[index] + 342, 9, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, 162, g_pwm_buffer[index] + 342, 9, IS31FL3741_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, 162, g_pwm_buffer[index] + 342, 9, IS31FL3741_I2C_TIMEOUT);
#endif
}
void is31fl3741_init_drivers(void) {
i2c_init();
is31fl3741_init(IS31FL3741_I2C_ADDRESS_1);
#if defined(IS31FL3741_I2C_ADDRESS_2)
is31fl3741_init(IS31FL3741_I2C_ADDRESS_2);
# if defined(IS31FL3741_I2C_ADDRESS_3)
is31fl3741_init(IS31FL3741_I2C_ADDRESS_3);
# if defined(IS31FL3741_I2C_ADDRESS_4)
is31fl3741_init(IS31FL3741_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3741_DRIVER_COUNT; i++) {
is31fl3741_init(i);
}
for (int i = 0; i < IS31FL3741_LED_COUNT; i++) {
is31fl3741_set_led_control_register(i, true, true, true);
}
is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_1, 0);
#if defined(IS31FL3741_I2C_ADDRESS_2)
is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_2, 1);
# if defined(IS31FL3741_I2C_ADDRESS_3)
is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_3, 2);
# if defined(IS31FL3741_I2C_ADDRESS_4)
is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3741_DRIVER_COUNT; i++) {
is31fl3741_update_led_control_registers(i);
}
}
void is31fl3741_init(uint8_t addr) {
void is31fl3741_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// Unlock the command register.
is31fl3741_select_page(addr, IS31FL3741_COMMAND_FUNCTION);
is31fl3741_select_page(index, IS31FL3741_COMMAND_FUNCTION);
// Set to Normal operation
is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
is31fl3741_write_register(index, IS31FL3741_FUNCTION_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
// Set Golbal Current Control Register
is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3741_GLOBAL_CURRENT);
is31fl3741_write_register(index, IS31FL3741_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3741_GLOBAL_CURRENT);
// Set Pull up & Down for SWx CSy
is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_PULLDOWNUP, ((IS31FL3741_CS_PULLDOWN << 4) | IS31FL3741_SW_PULLUP));
is31fl3741_write_register(index, IS31FL3741_FUNCTION_REG_PULLDOWNUP, ((IS31FL3741_CS_PULLDOWN << 4) | IS31FL3741_SW_PULLUP));
// Set PWM frequency
is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111));
is31fl3741_write_register(index, IS31FL3741_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111));
// is31fl3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF);
// is31fl3741_update_led_scaling_registers(index, 0xFF, 0xFF, 0xFF);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -209,11 +208,11 @@ void is31fl3741_set_led_control_register(uint8_t index, bool red, bool green, bo
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3741_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3741_select_page(addr, IS31FL3741_COMMAND_PWM_0);
is31fl3741_select_page(index, IS31FL3741_COMMAND_PWM_0);
is31fl3741_write_pwm_buffer(addr, index);
is31fl3741_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
@ -226,20 +225,20 @@ void is31fl3741_set_pwm_buffer(const is31fl3741_led_t *pled, uint8_t red, uint8_
g_pwm_buffer_update_required[pled->driver] = true;
}
void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index) {
void is31fl3741_update_led_control_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3741_select_page(addr, IS31FL3741_COMMAND_SCALING_0);
is31fl3741_select_page(index, IS31FL3741_COMMAND_SCALING_0);
// CS1_SW1 to CS30_SW6 are on page 2
for (int i = CS1_SW1; i <= CS30_SW6; ++i) {
is31fl3741_write_register(addr, i, g_scaling_registers[index][i]);
is31fl3741_write_register(index, i, g_scaling_registers[index][i]);
}
is31fl3741_select_page(addr, IS31FL3741_COMMAND_SCALING_1);
is31fl3741_select_page(index, IS31FL3741_COMMAND_SCALING_1);
// CS1_SW7 to CS39_SW9 are on page 3
for (int i = CS1_SW7; i <= CS39_SW9; ++i) {
is31fl3741_write_register(addr, i - CS1_SW7, g_scaling_registers[index][i]);
is31fl3741_write_register(index, i - CS1_SW7, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@ -254,14 +253,7 @@ void is31fl3741_set_scaling_registers(const is31fl3741_led_t *pled, uint8_t red,
}
void is31fl3741_flush(void) {
is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_1, 0);
#if defined(IS31FL3741_I2C_ADDRESS_2)
is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_2, 1);
# if defined(IS31FL3741_I2C_ADDRESS_3)
is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_3, 2);
# if defined(IS31FL3741_I2C_ADDRESS_4)
is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3741_DRIVER_COUNT; i++) {
is31fl3741_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3741.h
View file

@ -119,9 +119,9 @@ typedef struct is31fl3741_led_t {
extern const is31fl3741_led_t PROGMEM g_is31fl3741_leds[IS31FL3741_LED_COUNT];
void is31fl3741_init_drivers(void);
void is31fl3741_init(uint8_t addr);
void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3741_select_page(uint8_t addr, uint8_t page);
void is31fl3741_init(uint8_t index);
void is31fl3741_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3741_select_page(uint8_t index, uint8_t page);
void is31fl3741_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3741_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
@ -132,8 +132,8 @@ void is31fl3741_set_led_control_register(uint8_t index, bool red, bool green, bo
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index);
void is31fl3741_update_pwm_buffers(uint8_t index);
void is31fl3741_update_led_control_registers(uint8_t index);
void is31fl3741_set_scaling_registers(const is31fl3741_led_t *pled, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3741_set_pwm_buffer(const is31fl3741_led_t *pled, uint8_t red, uint8_t green, uint8_t blue);

102
drivers/led/issi/is31fl3742a-mono.c
View file

@ -53,28 +53,41 @@
# define IS31FL3742A_GLOBAL_CURRENT 0xFF
#endif
const uint8_t i2c_addresses[IS31FL3742A_DRIVER_COUNT] = {
IS31FL3742A_I2C_ADDRESS_1,
#ifdef IS31FL3742A_I2C_ADDRESS_2
IS31FL3742A_I2C_ADDRESS_2,
# ifdef IS31FL3742A_I2C_ADDRESS_3
IS31FL3742A_I2C_ADDRESS_3,
# ifdef IS31FL3742A_I2C_ADDRESS_4
IS31FL3742A_I2C_ADDRESS_4,
# endif
# endif
#endif
};
uint8_t g_pwm_buffer[IS31FL3742A_DRIVER_COUNT][IS31FL3742A_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3742A_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3742A_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3742A_DRIVER_COUNT][IS31FL3742A_SCALING_REGISTER_COUNT];
void is31fl3742a_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3742a_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3742A_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3742A_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3742A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3742A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3742A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3742A_I2C_TIMEOUT);
#endif
}
void is31fl3742a_select_page(uint8_t addr, uint8_t page) {
is31fl3742a_write_register(addr, IS31FL3742A_REG_COMMAND_WRITE_LOCK, IS31FL3742A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3742a_write_register(addr, IS31FL3742A_REG_COMMAND, page);
void is31fl3742a_select_page(uint8_t index, uint8_t page) {
is31fl3742a_write_register(index, IS31FL3742A_REG_COMMAND_WRITE_LOCK, IS31FL3742A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3742a_write_register(index, IS31FL3742A_REG_COMMAND, page);
}
void is31fl3742a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3742a_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 6 transfers of 30 bytes.
@ -82,10 +95,10 @@ void is31fl3742a_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3742A_PWM_REGISTER_COUNT; i += 30) {
#if IS31FL3742A_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3742A_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 30, IS31FL3742A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 30, IS31FL3742A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 30, IS31FL3742A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 30, IS31FL3742A_I2C_TIMEOUT);
#endif
}
}
@ -93,58 +106,44 @@ void is31fl3742a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3742a_init_drivers(void) {
i2c_init();
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_1);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_2);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_3);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3742A_DRIVER_COUNT; i++) {
is31fl3742a_init(i);
}
for (int i = 0; i < IS31FL3742A_LED_COUNT; i++) {
is31fl3742a_set_scaling_register(i, 0xFF);
}
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3742A_DRIVER_COUNT; i++) {
is31fl3742a_update_scaling_registers(i);
}
}
void is31fl3742a_init(uint8_t addr) {
void is31fl3742a_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_SCALING);
is31fl3742a_select_page(index, IS31FL3742A_COMMAND_SCALING);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3742A_SCALING_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, 0x00);
is31fl3742a_write_register(index, i, 0x00);
}
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_PWM);
is31fl3742a_select_page(index, IS31FL3742A_COMMAND_PWM);
for (uint8_t i = 0; i < IS31FL3742A_PWM_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, 0x00);
is31fl3742a_write_register(index, i, 0x00);
}
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_FUNCTION);
is31fl3742a_select_page(index, IS31FL3742A_COMMAND_FUNCTION);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_PULLDOWNUP, (IS31FL3742A_SW_PULLDOWN << 4) | IS31FL3742A_CS_PULLUP);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3742A_GLOBAL_CURRENT);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3742A_PWM_FREQUENCY & 0b0111));
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_CONFIGURATION, IS31FL3742A_CONFIGURATION);
is31fl3742a_write_register(index, IS31FL3742A_FUNCTION_REG_PULLDOWNUP, (IS31FL3742A_SW_PULLDOWN << 4) | IS31FL3742A_CS_PULLUP);
is31fl3742a_write_register(index, IS31FL3742A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3742A_GLOBAL_CURRENT);
is31fl3742a_write_register(index, IS31FL3742A_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3742A_PWM_FREQUENCY & 0b0111));
is31fl3742a_write_register(index, IS31FL3742A_FUNCTION_REG_CONFIGURATION, IS31FL3742A_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -179,22 +178,22 @@ void is31fl3742a_set_scaling_register(uint8_t index, uint8_t value) {
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3742a_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3742a_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_PWM);
is31fl3742a_select_page(index, IS31FL3742A_COMMAND_PWM);
is31fl3742a_write_pwm_buffer(addr, index);
is31fl3742a_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3742a_update_scaling_registers(uint8_t addr, uint8_t index) {
void is31fl3742a_update_scaling_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_SCALING);
is31fl3742a_select_page(index, IS31FL3742A_COMMAND_SCALING);
for (uint8_t i = 0; i < IS31FL3742A_SCALING_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, g_scaling_registers[index][i]);
is31fl3742a_write_register(index, i, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@ -202,14 +201,7 @@ void is31fl3742a_update_scaling_registers(uint8_t addr, uint8_t index) {
}
void is31fl3742a_flush(void) {
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3742A_DRIVER_COUNT; i++) {
is31fl3742a_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3742a-mono.h
View file

@ -72,17 +72,17 @@ typedef struct is31fl3742a_led_t {
extern const is31fl3742a_led_t PROGMEM g_is31fl3742a_leds[IS31FL3742A_LED_COUNT];
void is31fl3742a_init_drivers(void);
void is31fl3742a_init(uint8_t addr);
void is31fl3742a_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3742a_select_page(uint8_t addr, uint8_t page);
void is31fl3742a_init(uint8_t index);
void is31fl3742a_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3742a_select_page(uint8_t index, uint8_t page);
void is31fl3742a_set_value(int index, uint8_t value);
void is31fl3742a_set_value_all(uint8_t value);
void is31fl3742a_set_scaling_register(uint8_t index, uint8_t value);
void is31fl3742a_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3742a_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3742a_update_pwm_buffers(uint8_t index);
void is31fl3742a_update_scaling_registers(uint8_t index);
void is31fl3742a_flush(void);

102
drivers/led/issi/is31fl3742a.c
View file

@ -53,28 +53,41 @@
# define IS31FL3742A_GLOBAL_CURRENT 0xFF
#endif
const uint8_t i2c_addresses[IS31FL3742A_DRIVER_COUNT] = {
IS31FL3742A_I2C_ADDRESS_1,
#ifdef IS31FL3742A_I2C_ADDRESS_2
IS31FL3742A_I2C_ADDRESS_2,
# ifdef IS31FL3742A_I2C_ADDRESS_3
IS31FL3742A_I2C_ADDRESS_3,
# ifdef IS31FL3742A_I2C_ADDRESS_4
IS31FL3742A_I2C_ADDRESS_4,
# endif
# endif
#endif
};
uint8_t g_pwm_buffer[IS31FL3742A_DRIVER_COUNT][IS31FL3742A_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3742A_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3742A_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3742A_DRIVER_COUNT][IS31FL3742A_SCALING_REGISTER_COUNT];
void is31fl3742a_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3742a_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3742A_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3742A_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3742A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3742A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3742A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3742A_I2C_TIMEOUT);
#endif
}
void is31fl3742a_select_page(uint8_t addr, uint8_t page) {
is31fl3742a_write_register(addr, IS31FL3742A_REG_COMMAND_WRITE_LOCK, IS31FL3742A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3742a_write_register(addr, IS31FL3742A_REG_COMMAND, page);
void is31fl3742a_select_page(uint8_t index, uint8_t page) {
is31fl3742a_write_register(index, IS31FL3742A_REG_COMMAND_WRITE_LOCK, IS31FL3742A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3742a_write_register(index, IS31FL3742A_REG_COMMAND, page);
}
void is31fl3742a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3742a_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 6 transfers of 30 bytes.
@ -82,10 +95,10 @@ void is31fl3742a_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3742A_PWM_REGISTER_COUNT; i += 30) {
#if IS31FL3742A_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3742A_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 30, IS31FL3742A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 30, IS31FL3742A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 30, IS31FL3742A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 30, IS31FL3742A_I2C_TIMEOUT);
#endif
}
}
@ -93,58 +106,44 @@ void is31fl3742a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3742a_init_drivers(void) {
i2c_init();
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_1);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_2);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_3);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_init(IS31FL3742A_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3742A_DRIVER_COUNT; i++) {
is31fl3742a_init(i);
}
for (int i = 0; i < IS31FL3742A_LED_COUNT; i++) {
is31fl3742a_set_scaling_register(i, 0xFF, 0xFF, 0xFF);
}
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_update_scaling_registers(IS31FL3742A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3742A_DRIVER_COUNT; i++) {
is31fl3742a_update_scaling_registers(i);
}
}
void is31fl3742a_init(uint8_t addr) {
void is31fl3742a_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_SCALING);
is31fl3742a_select_page(index, IS31FL3742A_COMMAND_SCALING);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3742A_SCALING_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, 0x00);
is31fl3742a_write_register(index, i, 0x00);
}
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_PWM);
is31fl3742a_select_page(index, IS31FL3742A_COMMAND_PWM);
for (uint8_t i = 0; i < IS31FL3742A_PWM_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, 0x00);
is31fl3742a_write_register(index, i, 0x00);
}
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_FUNCTION);
is31fl3742a_select_page(index, IS31FL3742A_COMMAND_FUNCTION);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_PULLDOWNUP, (IS31FL3742A_SW_PULLDOWN << 4) | IS31FL3742A_CS_PULLUP);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3742A_GLOBAL_CURRENT);
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3742A_PWM_FREQUENCY & 0b0111));
is31fl3742a_write_register(addr, IS31FL3742A_FUNCTION_REG_CONFIGURATION, IS31FL3742A_CONFIGURATION);
is31fl3742a_write_register(index, IS31FL3742A_FUNCTION_REG_PULLDOWNUP, (IS31FL3742A_SW_PULLDOWN << 4) | IS31FL3742A_CS_PULLUP);
is31fl3742a_write_register(index, IS31FL3742A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3742A_GLOBAL_CURRENT);
is31fl3742a_write_register(index, IS31FL3742A_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3742A_PWM_FREQUENCY & 0b0111));
is31fl3742a_write_register(index, IS31FL3742A_FUNCTION_REG_CONFIGURATION, IS31FL3742A_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -183,22 +182,22 @@ void is31fl3742a_set_scaling_register(uint8_t index, uint8_t red, uint8_t green,
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3742a_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3742a_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_PWM);
is31fl3742a_select_page(index, IS31FL3742A_COMMAND_PWM);
is31fl3742a_write_pwm_buffer(addr, index);
is31fl3742a_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3742a_update_scaling_registers(uint8_t addr, uint8_t index) {
void is31fl3742a_update_scaling_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3742a_select_page(addr, IS31FL3742A_COMMAND_SCALING);
is31fl3742a_select_page(index, IS31FL3742A_COMMAND_SCALING);
for (uint8_t i = 0; i < IS31FL3742A_SCALING_REGISTER_COUNT; i++) {
is31fl3742a_write_register(addr, i, g_scaling_registers[index][i]);
is31fl3742a_write_register(index, i, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@ -206,14 +205,7 @@ void is31fl3742a_update_scaling_registers(uint8_t addr, uint8_t index) {
}
void is31fl3742a_flush(void) {
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3742A_I2C_ADDRESS_2)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3742A_I2C_ADDRESS_3)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3742A_I2C_ADDRESS_4)
is31fl3742a_update_pwm_buffers(IS31FL3742A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3742A_DRIVER_COUNT; i++) {
is31fl3742a_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3742a.h
View file

@ -74,17 +74,17 @@ typedef struct is31fl3742a_led_t {
extern const is31fl3742a_led_t PROGMEM g_is31fl3742a_leds[IS31FL3742A_LED_COUNT];
void is31fl3742a_init_drivers(void);
void is31fl3742a_init(uint8_t addr);
void is31fl3742a_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3742a_select_page(uint8_t addr, uint8_t page);
void is31fl3742a_init(uint8_t index);
void is31fl3742a_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3742a_select_page(uint8_t index, uint8_t page);
void is31fl3742a_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3742a_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
void is31fl3742a_set_scaling_register(uint8_t index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3742a_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3742a_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3742a_update_pwm_buffers(uint8_t index);
void is31fl3742a_update_scaling_registers(uint8_t index);
void is31fl3742a_flush(void);

117
drivers/led/issi/is31fl3743a-mono.c
View file

@ -62,28 +62,54 @@
# define IS31FL3743A_SYNC_4 IS31FL3743A_SYNC_NONE
#endif
const uint8_t i2c_addresses[IS31FL3743A_DRIVER_COUNT] = {
IS31FL3743A_I2C_ADDRESS_1,
#ifdef IS31FL3743A_I2C_ADDRESS_2
IS31FL3743A_I2C_ADDRESS_2,
# ifdef IS31FL3743A_I2C_ADDRESS_3
IS31FL3743A_I2C_ADDRESS_3,
# ifdef IS31FL3743A_I2C_ADDRESS_4
IS31FL3743A_I2C_ADDRESS_4,
# endif
# endif
#endif
};
const uint8_t driver_sync[IS31FL3743A_DRIVER_COUNT] = {
IS31FL3743A_SYNC_1,
#ifdef IS31FL3743A_I2C_ADDRESS_2
IS31FL3743A_SYNC_2,
# ifdef IS31FL3743A_I2C_ADDRESS_3
IS31FL3743A_SYNC_3,
# ifdef IS31FL3743A_I2C_ADDRESS_4
IS31FL3743A_SYNC_4,
# endif
# endif
#endif
};
uint8_t g_pwm_buffer[IS31FL3743A_DRIVER_COUNT][IS31FL3743A_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3743A_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3743A_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3743A_DRIVER_COUNT][IS31FL3743A_SCALING_REGISTER_COUNT];
void is31fl3743a_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3743a_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3743A_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3743A_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3743A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3743A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3743A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3743A_I2C_TIMEOUT);
#endif
}
void is31fl3743a_select_page(uint8_t addr, uint8_t page) {
is31fl3743a_write_register(addr, IS31FL3743A_REG_COMMAND_WRITE_LOCK, IS31FL3743A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3743a_write_register(addr, IS31FL3743A_REG_COMMAND, page);
void is31fl3743a_select_page(uint8_t index, uint8_t page) {
is31fl3743a_write_register(index, IS31FL3743A_REG_COMMAND_WRITE_LOCK, IS31FL3743A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3743a_write_register(index, IS31FL3743A_REG_COMMAND, page);
}
void is31fl3743a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3743a_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 11 transfers of 18 bytes.
@ -91,10 +117,10 @@ void is31fl3743a_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3743A_PWM_REGISTER_COUNT; i += 18) {
#if IS31FL3743A_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3743A_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3743A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3743A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3743A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3743A_I2C_TIMEOUT);
#endif
}
}
@ -102,58 +128,46 @@ void is31fl3743a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3743a_init_drivers(void) {
i2c_init();
is31fl3743a_init(IS31FL3743A_I2C_ADDRESS_1, IS31FL3743A_SYNC_1);
#if defined(IS31FL3743A_I2C_ADDRESS_2)
is31fl3743a_init(IS31FL3743A_I2C_ADDRESS_2, IS31FL3743A_SYNC_2);
# if defined(IS31FL3743A_I2C_ADDRESS_3)
is31fl3743a_init(IS31FL3743A_I2C_ADDRESS_3, IS31FL3743A_SYNC_3);
# if defined(IS31FL3743A_I2C_ADDRESS_4)
is31fl3743a_init(IS31FL3743A_I2C_ADDRESS_4, IS31FL3743A_SYNC_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3743A_DRIVER_COUNT; i++) {
is31fl3743a_init(i);
}
for (int i = 0; i < IS31FL3743A_LED_COUNT; i++) {
is31fl3743a_set_scaling_register(i, 0xFF);
}
is31fl3743a_update_scaling_registers(IS31FL3743A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3743A_I2C_ADDRESS_2)
is31fl3743a_update_scaling_registers(IS31FL3743A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3743A_I2C_ADDRESS_3)
is31fl3743a_update_scaling_registers(IS31FL3743A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3743A_I2C_ADDRESS_4)
is31fl3743a_update_scaling_registers(IS31FL3743A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3743A_DRIVER_COUNT; i++) {
is31fl3743a_update_scaling_registers(i);
}
}
void is31fl3743a_init(uint8_t addr, uint8_t sync) {
void is31fl3743a_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3743a_select_page(addr, IS31FL3743A_COMMAND_SCALING);
is31fl3743a_select_page(index, IS31FL3743A_COMMAND_SCALING);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3743A_SCALING_REGISTER_COUNT; i++) {
is31fl3743a_write_register(addr, i + 1, 0x00);
is31fl3743a_write_register(index, i + 1, 0x00);
}
is31fl3743a_select_page(addr, IS31FL3743A_COMMAND_PWM);
is31fl3743a_select_page(index, IS31FL3743A_COMMAND_PWM);
for (uint8_t i = 0; i < IS31FL3743A_PWM_REGISTER_COUNT; i++) {
is31fl3743a_write_register(addr, i + 1, 0x00);
is31fl3743a_write_register(index, i + 1, 0x00);
}
is31fl3743a_select_page(addr, IS31FL3743A_COMMAND_FUNCTION);
is31fl3743a_select_page(index, IS31FL3743A_COMMAND_FUNCTION);
is31fl3743a_write_register(addr, IS31FL3743A_FUNCTION_REG_PULLDOWNUP, (IS31FL3743A_SW_PULLDOWN << 4) | IS31FL3743A_CS_PULLUP);
is31fl3743a_write_register(addr, IS31FL3743A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3743A_GLOBAL_CURRENT);
is31fl3743a_write_register(addr, IS31FL3743A_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
is31fl3743a_write_register(addr, IS31FL3743A_FUNCTION_REG_CONFIGURATION, IS31FL3743A_CONFIGURATION);
uint8_t sync = driver_sync[index];
is31fl3743a_write_register(index, IS31FL3743A_FUNCTION_REG_PULLDOWNUP, (IS31FL3743A_SW_PULLDOWN << 4) | IS31FL3743A_CS_PULLUP);
is31fl3743a_write_register(index, IS31FL3743A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3743A_GLOBAL_CURRENT);
is31fl3743a_write_register(index, IS31FL3743A_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
is31fl3743a_write_register(index, IS31FL3743A_FUNCTION_REG_CONFIGURATION, IS31FL3743A_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -188,22 +202,22 @@ void is31fl3743a_set_scaling_register(uint8_t index, uint8_t value) {
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3743a_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3743a_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3743a_select_page(addr, IS31FL3743A_COMMAND_PWM);
is31fl3743a_select_page(index, IS31FL3743A_COMMAND_PWM);
is31fl3743a_write_pwm_buffer(addr, index);
is31fl3743a_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3743a_update_scaling_registers(uint8_t addr, uint8_t index) {
void is31fl3743a_update_scaling_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3743a_select_page(addr, IS31FL3743A_COMMAND_SCALING);
is31fl3743a_select_page(index, IS31FL3743A_COMMAND_SCALING);
for (uint8_t i = 0; i < IS31FL3743A_SCALING_REGISTER_COUNT; i++) {
is31fl3743a_write_register(addr, i + 1, g_scaling_registers[index][i]);
is31fl3743a_write_register(index, i + 1, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@ -211,14 +225,7 @@ void is31fl3743a_update_scaling_registers(uint8_t addr, uint8_t index) {
}
void is31fl3743a_flush(void) {
is31fl3743a_update_pwm_buffers(IS31FL3743A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3743A_I2C_ADDRESS_2)
is31fl3743a_update_pwm_buffers(IS31FL3743A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3743A_I2C_ADDRESS_3)
is31fl3743a_update_pwm_buffers(IS31FL3743A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3743A_I2C_ADDRESS_4)
is31fl3743a_update_pwm_buffers(IS31FL3743A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3743A_DRIVER_COUNT; i++) {
is31fl3743a_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3743a-mono.h
View file

@ -82,17 +82,17 @@ typedef struct is31fl3743a_led_t {
extern const is31fl3743a_led_t PROGMEM g_is31fl3743a_leds[IS31FL3743A_LED_COUNT];
void is31fl3743a_init_drivers(void);
void is31fl3743a_init(uint8_t addr, uint8_t sync);
void is31fl3743a_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3743a_select_page(uint8_t addr, uint8_t page);
void is31fl3743a_init(uint8_t index);
void is31fl3743a_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3743a_select_page(uint8_t index, uint8_t page);
void is31fl3743a_set_value(int index, uint8_t value);
void is31fl3743a_set_value_all(uint8_t value);
void is31fl3743a_set_scaling_register(uint8_t index, uint8_t value);
void is31fl3743a_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3743a_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3743a_update_pwm_buffers(uint8_t index);
void is31fl3743a_update_scaling_registers(uint8_t index);
void is31fl3743a_flush(void);

117
drivers/led/issi/is31fl3743a.c
View file

@ -62,28 +62,54 @@
# define IS31FL3743A_SYNC_4 IS31FL3743A_SYNC_NONE
#endif
const uint8_t i2c_addresses[IS31FL3743A_DRIVER_COUNT] = {
IS31FL3743A_I2C_ADDRESS_1,
#ifdef IS31FL3743A_I2C_ADDRESS_2
IS31FL3743A_I2C_ADDRESS_2,
# ifdef IS31FL3743A_I2C_ADDRESS_3
IS31FL3743A_I2C_ADDRESS_3,
# ifdef IS31FL3743A_I2C_ADDRESS_4
IS31FL3743A_I2C_ADDRESS_4,
# endif
# endif
#endif
};
const uint8_t driver_sync[IS31FL3743A_DRIVER_COUNT] = {
IS31FL3743A_SYNC_1,
#ifdef IS31FL3743A_I2C_ADDRESS_2
IS31FL3743A_SYNC_2,
# ifdef IS31FL3743A_I2C_ADDRESS_3
IS31FL3743A_SYNC_3,
# ifdef IS31FL3743A_I2C_ADDRESS_4
IS31FL3743A_SYNC_4,
# endif
# endif
#endif
};
uint8_t g_pwm_buffer[IS31FL3743A_DRIVER_COUNT][IS31FL3743A_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3743A_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3743A_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3743A_DRIVER_COUNT][IS31FL3743A_SCALING_REGISTER_COUNT];
void is31fl3743a_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3743a_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3743A_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3743A_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3743A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3743A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3743A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3743A_I2C_TIMEOUT);
#endif
}
void is31fl3743a_select_page(uint8_t addr, uint8_t page) {
is31fl3743a_write_register(addr, IS31FL3743A_REG_COMMAND_WRITE_LOCK, IS31FL3743A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3743a_write_register(addr, IS31FL3743A_REG_COMMAND, page);
void is31fl3743a_select_page(uint8_t index, uint8_t page) {
is31fl3743a_write_register(index, IS31FL3743A_REG_COMMAND_WRITE_LOCK, IS31FL3743A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3743a_write_register(index, IS31FL3743A_REG_COMMAND, page);
}
void is31fl3743a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3743a_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 11 transfers of 18 bytes.
@ -91,10 +117,10 @@ void is31fl3743a_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3743A_PWM_REGISTER_COUNT; i += 18) {
#if IS31FL3743A_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3743A_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3743A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3743A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3743A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3743A_I2C_TIMEOUT);
#endif
}
}
@ -102,58 +128,46 @@ void is31fl3743a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3743a_init_drivers(void) {
i2c_init();
is31fl3743a_init(IS31FL3743A_I2C_ADDRESS_1, IS31FL3743A_SYNC_1);
#if defined(IS31FL3743A_I2C_ADDRESS_2)
is31fl3743a_init(IS31FL3743A_I2C_ADDRESS_2, IS31FL3743A_SYNC_2);
# if defined(IS31FL3743A_I2C_ADDRESS_3)
is31fl3743a_init(IS31FL3743A_I2C_ADDRESS_3, IS31FL3743A_SYNC_3);
# if defined(IS31FL3743A_I2C_ADDRESS_4)
is31fl3743a_init(IS31FL3743A_I2C_ADDRESS_4, IS31FL3743A_SYNC_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3743A_DRIVER_COUNT; i++) {
is31fl3743a_init(i);
}
for (int i = 0; i < IS31FL3743A_LED_COUNT; i++) {
is31fl3743a_set_scaling_register(i, 0xFF, 0xFF, 0xFF);
}
is31fl3743a_update_scaling_registers(IS31FL3743A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3743A_I2C_ADDRESS_2)
is31fl3743a_update_scaling_registers(IS31FL3743A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3743A_I2C_ADDRESS_3)
is31fl3743a_update_scaling_registers(IS31FL3743A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3743A_I2C_ADDRESS_4)
is31fl3743a_update_scaling_registers(IS31FL3743A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3743A_DRIVER_COUNT; i++) {
is31fl3743a_update_scaling_registers(i);
}
}
void is31fl3743a_init(uint8_t addr, uint8_t sync) {
void is31fl3743a_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3743a_select_page(addr, IS31FL3743A_COMMAND_SCALING);
is31fl3743a_select_page(index, IS31FL3743A_COMMAND_SCALING);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3743A_SCALING_REGISTER_COUNT; i++) {
is31fl3743a_write_register(addr, i + 1, 0x00);
is31fl3743a_write_register(index, i + 1, 0x00);
}
is31fl3743a_select_page(addr, IS31FL3743A_COMMAND_PWM);
is31fl3743a_select_page(index, IS31FL3743A_COMMAND_PWM);
for (uint8_t i = 0; i < IS31FL3743A_PWM_REGISTER_COUNT; i++) {
is31fl3743a_write_register(addr, i + 1, 0x00);
is31fl3743a_write_register(index, i + 1, 0x00);
}
is31fl3743a_select_page(addr, IS31FL3743A_COMMAND_FUNCTION);
is31fl3743a_select_page(index, IS31FL3743A_COMMAND_FUNCTION);
is31fl3743a_write_register(addr, IS31FL3743A_FUNCTION_REG_PULLDOWNUP, (IS31FL3743A_SW_PULLDOWN << 4) | IS31FL3743A_CS_PULLUP);
is31fl3743a_write_register(addr, IS31FL3743A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3743A_GLOBAL_CURRENT);
is31fl3743a_write_register(addr, IS31FL3743A_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
is31fl3743a_write_register(addr, IS31FL3743A_FUNCTION_REG_CONFIGURATION, IS31FL3743A_CONFIGURATION);
uint8_t sync = driver_sync[index];
is31fl3743a_write_register(index, IS31FL3743A_FUNCTION_REG_PULLDOWNUP, (IS31FL3743A_SW_PULLDOWN << 4) | IS31FL3743A_CS_PULLUP);
is31fl3743a_write_register(index, IS31FL3743A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3743A_GLOBAL_CURRENT);
is31fl3743a_write_register(index, IS31FL3743A_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
is31fl3743a_write_register(index, IS31FL3743A_FUNCTION_REG_CONFIGURATION, IS31FL3743A_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -192,22 +206,22 @@ void is31fl3743a_set_scaling_register(uint8_t index, uint8_t red, uint8_t green,
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3743a_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3743a_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3743a_select_page(addr, IS31FL3743A_COMMAND_PWM);
is31fl3743a_select_page(index, IS31FL3743A_COMMAND_PWM);
is31fl3743a_write_pwm_buffer(addr, index);
is31fl3743a_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3743a_update_scaling_registers(uint8_t addr, uint8_t index) {
void is31fl3743a_update_scaling_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3743a_select_page(addr, IS31FL3743A_COMMAND_SCALING);
is31fl3743a_select_page(index, IS31FL3743A_COMMAND_SCALING);
for (uint8_t i = 0; i < IS31FL3743A_SCALING_REGISTER_COUNT; i++) {
is31fl3743a_write_register(addr, i + 1, g_scaling_registers[index][i]);
is31fl3743a_write_register(index, i + 1, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@ -215,14 +229,7 @@ void is31fl3743a_update_scaling_registers(uint8_t addr, uint8_t index) {
}
void is31fl3743a_flush(void) {
is31fl3743a_update_pwm_buffers(IS31FL3743A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3743A_I2C_ADDRESS_2)
is31fl3743a_update_pwm_buffers(IS31FL3743A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3743A_I2C_ADDRESS_3)
is31fl3743a_update_pwm_buffers(IS31FL3743A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3743A_I2C_ADDRESS_4)
is31fl3743a_update_pwm_buffers(IS31FL3743A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3743A_DRIVER_COUNT; i++) {
is31fl3743a_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3743a.h
View file

@ -84,17 +84,17 @@ typedef struct is31fl3743a_led_t {
extern const is31fl3743a_led_t PROGMEM g_is31fl3743a_leds[IS31FL3743A_LED_COUNT];
void is31fl3743a_init_drivers(void);
void is31fl3743a_init(uint8_t addr, uint8_t sync);
void is31fl3743a_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3743a_select_page(uint8_t addr, uint8_t page);
void is31fl3743a_init(uint8_t index);
void is31fl3743a_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3743a_select_page(uint8_t index, uint8_t page);
void is31fl3743a_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3743a_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
void is31fl3743a_set_scaling_register(uint8_t index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3743a_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3743a_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3743a_update_pwm_buffers(uint8_t index);
void is31fl3743a_update_scaling_registers(uint8_t index);
void is31fl3743a_flush(void);

117
drivers/led/issi/is31fl3745-mono.c
View file

@ -62,28 +62,54 @@
# define IS31FL3745_SYNC_4 IS31FL3745_SYNC_NONE
#endif
const uint8_t i2c_addresses[IS31FL3745_DRIVER_COUNT] = {
IS31FL3745_I2C_ADDRESS_1,
#ifdef IS31FL3745_I2C_ADDRESS_2
IS31FL3745_I2C_ADDRESS_2,
# ifdef IS31FL3745_I2C_ADDRESS_3
IS31FL3745_I2C_ADDRESS_3,
# ifdef IS31FL3745_I2C_ADDRESS_4
IS31FL3745_I2C_ADDRESS_4,
# endif
# endif
#endif
};
const uint8_t driver_sync[IS31FL3745_DRIVER_COUNT] = {
IS31FL3745_SYNC_1,
#ifdef IS31FL3745_I2C_ADDRESS_2
IS31FL3745_SYNC_2,
# ifdef IS31FL3745_I2C_ADDRESS_3
IS31FL3745_SYNC_3,
# ifdef IS31FL3745_I2C_ADDRESS_4
IS31FL3745_SYNC_4,
# endif
# endif
#endif
};
uint8_t g_pwm_buffer[IS31FL3745_DRIVER_COUNT][IS31FL3745_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3745_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3745_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3745_DRIVER_COUNT][IS31FL3745_SCALING_REGISTER_COUNT];
void is31fl3745_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3745_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3745_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3745_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT);
#endif
}
void is31fl3745_select_page(uint8_t addr, uint8_t page) {
is31fl3745_write_register(addr, IS31FL3745_REG_COMMAND_WRITE_LOCK, IS31FL3745_COMMAND_WRITE_LOCK_MAGIC);
is31fl3745_write_register(addr, IS31FL3745_REG_COMMAND, page);
void is31fl3745_select_page(uint8_t index, uint8_t page) {
is31fl3745_write_register(index, IS31FL3745_REG_COMMAND_WRITE_LOCK, IS31FL3745_COMMAND_WRITE_LOCK_MAGIC);
is31fl3745_write_register(index, IS31FL3745_REG_COMMAND, page);
}
void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3745_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 8 transfers of 18 bytes.
@ -91,10 +117,10 @@ void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3745_PWM_REGISTER_COUNT; i += 18) {
#if IS31FL3745_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3745_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT);
#endif
}
}
@ -102,58 +128,46 @@ void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3745_init_drivers(void) {
i2c_init();
is31fl3745_init(IS31FL3745_I2C_ADDRESS_1, IS31FL3745_SYNC_1);
#if defined(IS31FL3745_I2C_ADDRESS_2)
is31fl3745_init(IS31FL3745_I2C_ADDRESS_2, IS31FL3745_SYNC_2);
# if defined(IS31FL3745_I2C_ADDRESS_3)
is31fl3745_init(IS31FL3745_I2C_ADDRESS_3, IS31FL3745_SYNC_3);
# if defined(IS31FL3745_I2C_ADDRESS_4)
is31fl3745_init(IS31FL3745_I2C_ADDRESS_4, IS31FL3745_SYNC_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3745_DRIVER_COUNT; i++) {
is31fl3745_init(i);
}
for (int i = 0; i < IS31FL3745_LED_COUNT; i++) {
is31fl3745_set_scaling_register(i, 0xFF);
}
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_1, 0);
#if defined(IS31FL3745_I2C_ADDRESS_2)
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_2, 1);
# if defined(IS31FL3745_I2C_ADDRESS_3)
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_3, 2);
# if defined(IS31FL3745_I2C_ADDRESS_4)
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3745_DRIVER_COUNT; i++) {
is31fl3745_update_scaling_registers(i);
}
}
void is31fl3745_init(uint8_t addr, uint8_t sync) {
void is31fl3745_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3745_select_page(addr, IS31FL3745_COMMAND_SCALING);
is31fl3745_select_page(index, IS31FL3745_COMMAND_SCALING);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3745_SCALING_REGISTER_COUNT; i++) {
is31fl3745_write_register(addr, i + 1, 0x00);
is31fl3745_write_register(index, i + 1, 0x00);
}
is31fl3745_select_page(addr, IS31FL3745_COMMAND_PWM);
is31fl3745_select_page(index, IS31FL3745_COMMAND_PWM);
for (uint8_t i = 0; i < IS31FL3745_PWM_REGISTER_COUNT; i++) {
is31fl3745_write_register(addr, i + 1, 0x00);
is31fl3745_write_register(index, i + 1, 0x00);
}
is31fl3745_select_page(addr, IS31FL3745_COMMAND_FUNCTION);
is31fl3745_select_page(index, IS31FL3745_COMMAND_FUNCTION);
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_PULLDOWNUP, (IS31FL3745_SW_PULLDOWN << 4) | IS31FL3745_CS_PULLUP);
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3745_GLOBAL_CURRENT);
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_CONFIGURATION, IS31FL3745_CONFIGURATION);
uint8_t sync = driver_sync[index];
is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_PULLDOWNUP, (IS31FL3745_SW_PULLDOWN << 4) | IS31FL3745_CS_PULLUP);
is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3745_GLOBAL_CURRENT);
is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_CONFIGURATION, IS31FL3745_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -188,22 +202,22 @@ void is31fl3745_set_scaling_register(uint8_t index, uint8_t value) {
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3745_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3745_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3745_select_page(addr, IS31FL3745_COMMAND_PWM);
is31fl3745_select_page(index, IS31FL3745_COMMAND_PWM);
is31fl3745_write_pwm_buffer(addr, index);
is31fl3745_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index) {
void is31fl3745_update_scaling_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3745_select_page(addr, IS31FL3745_COMMAND_SCALING);
is31fl3745_select_page(index, IS31FL3745_COMMAND_SCALING);
for (uint8_t i = 0; i < IS31FL3745_SCALING_REGISTER_COUNT; i++) {
is31fl3745_write_register(addr, i + 1, g_scaling_registers[index][i]);
is31fl3745_write_register(index, i + 1, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@ -211,14 +225,7 @@ void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index) {
}
void is31fl3745_flush(void) {
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_1, 0);
#if defined(IS31FL3745_I2C_ADDRESS_2)
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_2, 1);
# if defined(IS31FL3745_I2C_ADDRESS_3)
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_3, 2);
# if defined(IS31FL3745_I2C_ADDRESS_4)
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3745_DRIVER_COUNT; i++) {
is31fl3745_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3745-mono.h
View file

@ -82,17 +82,17 @@ typedef struct is31fl3745_led_t {
extern const is31fl3745_led_t PROGMEM g_is31fl3745_leds[IS31FL3745_LED_COUNT];
void is31fl3745_init_drivers(void);
void is31fl3745_init(uint8_t addr, uint8_t sync);
void is31fl3745_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3745_select_page(uint8_t addr, uint8_t page);
void is31fl3745_init(uint8_t index);
void is31fl3745_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3745_select_page(uint8_t index, uint8_t page);
void is31fl3745_set_value(int index, uint8_t value);
void is31fl3745_set_value_all(uint8_t value);
void is31fl3745_set_scaling_register(uint8_t index, uint8_t value);
void is31fl3745_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3745_update_pwm_buffers(uint8_t index);
void is31fl3745_update_scaling_registers(uint8_t index);
void is31fl3745_flush(void);

117
drivers/led/issi/is31fl3745.c
View file

@ -62,28 +62,54 @@
# define IS31FL3745_SYNC_4 IS31FL3745_SYNC_NONE
#endif
const uint8_t i2c_addresses[IS31FL3745_DRIVER_COUNT] = {
IS31FL3745_I2C_ADDRESS_1,
#ifdef IS31FL3745_I2C_ADDRESS_2
IS31FL3745_I2C_ADDRESS_2,
# ifdef IS31FL3745_I2C_ADDRESS_3
IS31FL3745_I2C_ADDRESS_3,
# ifdef IS31FL3745_I2C_ADDRESS_4
IS31FL3745_I2C_ADDRESS_4,
# endif
# endif
#endif
};
const uint8_t driver_sync[IS31FL3745_DRIVER_COUNT] = {
IS31FL3745_SYNC_1,
#ifdef IS31FL3745_I2C_ADDRESS_2
IS31FL3745_SYNC_2,
# ifdef IS31FL3745_I2C_ADDRESS_3
IS31FL3745_SYNC_3,
# ifdef IS31FL3745_I2C_ADDRESS_4
IS31FL3745_SYNC_4,
# endif
# endif
#endif
};
uint8_t g_pwm_buffer[IS31FL3745_DRIVER_COUNT][IS31FL3745_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3745_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3745_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3745_DRIVER_COUNT][IS31FL3745_SCALING_REGISTER_COUNT];
void is31fl3745_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3745_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3745_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3745_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT);
#endif
}
void is31fl3745_select_page(uint8_t addr, uint8_t page) {
is31fl3745_write_register(addr, IS31FL3745_REG_COMMAND_WRITE_LOCK, IS31FL3745_COMMAND_WRITE_LOCK_MAGIC);
is31fl3745_write_register(addr, IS31FL3745_REG_COMMAND, page);
void is31fl3745_select_page(uint8_t index, uint8_t page) {
is31fl3745_write_register(index, IS31FL3745_REG_COMMAND_WRITE_LOCK, IS31FL3745_COMMAND_WRITE_LOCK_MAGIC);
is31fl3745_write_register(index, IS31FL3745_REG_COMMAND, page);
}
void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3745_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 8 transfers of 18 bytes.
@ -91,10 +117,10 @@ void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3745_PWM_REGISTER_COUNT; i += 18) {
#if IS31FL3745_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3745_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT);
#endif
}
}
@ -102,58 +128,46 @@ void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3745_init_drivers(void) {
i2c_init();
is31fl3745_init(IS31FL3745_I2C_ADDRESS_1, IS31FL3745_SYNC_1);
#if defined(IS31FL3745_I2C_ADDRESS_2)
is31fl3745_init(IS31FL3745_I2C_ADDRESS_2, IS31FL3745_SYNC_2);
# if defined(IS31FL3745_I2C_ADDRESS_3)
is31fl3745_init(IS31FL3745_I2C_ADDRESS_3, IS31FL3745_SYNC_3);
# if defined(IS31FL3745_I2C_ADDRESS_4)
is31fl3745_init(IS31FL3745_I2C_ADDRESS_4, IS31FL3745_SYNC_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3745_DRIVER_COUNT; i++) {
is31fl3745_init(i);
}
for (int i = 0; i < IS31FL3745_LED_COUNT; i++) {
is31fl3745_set_scaling_register(i, 0xFF, 0xFF, 0xFF);
}
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_1, 0);
#if defined(IS31FL3745_I2C_ADDRESS_2)
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_2, 1);
# if defined(IS31FL3745_I2C_ADDRESS_3)
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_3, 2);
# if defined(IS31FL3745_I2C_ADDRESS_4)
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3745_DRIVER_COUNT; i++) {
is31fl3745_update_scaling_registers(i);
}
}
void is31fl3745_init(uint8_t addr, uint8_t sync) {
void is31fl3745_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3745_select_page(addr, IS31FL3745_COMMAND_SCALING);
is31fl3745_select_page(index, IS31FL3745_COMMAND_SCALING);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3745_SCALING_REGISTER_COUNT; i++) {
is31fl3745_write_register(addr, i + 1, 0x00);
is31fl3745_write_register(index, i + 1, 0x00);
}
is31fl3745_select_page(addr, IS31FL3745_COMMAND_PWM);
is31fl3745_select_page(index, IS31FL3745_COMMAND_PWM);
for (uint8_t i = 0; i < IS31FL3745_PWM_REGISTER_COUNT; i++) {
is31fl3745_write_register(addr, i + 1, 0x00);
is31fl3745_write_register(index, i + 1, 0x00);
}
is31fl3745_select_page(addr, IS31FL3745_COMMAND_FUNCTION);
is31fl3745_select_page(index, IS31FL3745_COMMAND_FUNCTION);
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_PULLDOWNUP, (IS31FL3745_SW_PULLDOWN << 4) | IS31FL3745_CS_PULLUP);
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3745_GLOBAL_CURRENT);
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_CONFIGURATION, IS31FL3745_CONFIGURATION);
uint8_t sync = driver_sync[index];
is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_PULLDOWNUP, (IS31FL3745_SW_PULLDOWN << 4) | IS31FL3745_CS_PULLUP);
is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3745_GLOBAL_CURRENT);
is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_CONFIGURATION, IS31FL3745_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -192,22 +206,22 @@ void is31fl3745_set_scaling_register(uint8_t index, uint8_t red, uint8_t green,
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3745_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3745_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3745_select_page(addr, IS31FL3745_COMMAND_PWM);
is31fl3745_select_page(index, IS31FL3745_COMMAND_PWM);
is31fl3745_write_pwm_buffer(addr, index);
is31fl3745_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index) {
void is31fl3745_update_scaling_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3745_select_page(addr, IS31FL3745_COMMAND_SCALING);
is31fl3745_select_page(index, IS31FL3745_COMMAND_SCALING);
for (uint8_t i = 0; i < IS31FL3745_SCALING_REGISTER_COUNT; i++) {
is31fl3745_write_register(addr, i + 1, g_scaling_registers[index][i]);
is31fl3745_write_register(index, i + 1, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@ -215,14 +229,7 @@ void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index) {
}
void is31fl3745_flush(void) {
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_1, 0);
#if defined(IS31FL3745_I2C_ADDRESS_2)
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_2, 1);
# if defined(IS31FL3745_I2C_ADDRESS_3)
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_3, 2);
# if defined(IS31FL3745_I2C_ADDRESS_4)
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3745_DRIVER_COUNT; i++) {
is31fl3745_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3745.h
View file

@ -84,17 +84,17 @@ typedef struct is31fl3745_led_t {
extern const is31fl3745_led_t PROGMEM g_is31fl3745_leds[IS31FL3745_LED_COUNT];
void is31fl3745_init_drivers(void);
void is31fl3745_init(uint8_t addr, uint8_t sync);
void is31fl3745_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3745_select_page(uint8_t addr, uint8_t page);
void is31fl3745_init(uint8_t index);
void is31fl3745_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3745_select_page(uint8_t index, uint8_t page);
void is31fl3745_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3745_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
void is31fl3745_set_scaling_register(uint8_t index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3745_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3745_update_pwm_buffers(uint8_t index);
void is31fl3745_update_scaling_registers(uint8_t index);
void is31fl3745_flush(void);

104
drivers/led/issi/is31fl3746a-mono.c
View file

@ -53,28 +53,41 @@
# define IS31FL3746A_GLOBAL_CURRENT 0xFF
#endif
const uint8_t i2c_addresses[IS31FL3746A_DRIVER_COUNT] = {
IS31FL3746A_I2C_ADDRESS_1,
#ifdef IS31FL3746A_I2C_ADDRESS_2
IS31FL3746A_I2C_ADDRESS_2,
# ifdef IS31FL3746A_I2C_ADDRESS_3
IS31FL3746A_I2C_ADDRESS_3,
# ifdef IS31FL3746A_I2C_ADDRESS_4
IS31FL3746A_I2C_ADDRESS_4,
# endif
# endif
#endif
};
uint8_t g_pwm_buffer[IS31FL3746A_DRIVER_COUNT][IS31FL3746A_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3746A_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3746A_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3746A_DRIVER_COUNT][IS31FL3746A_SCALING_REGISTER_COUNT];
void is31fl3746a_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3746a_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3746A_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3746A_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3746A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3746A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3746A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3746A_I2C_TIMEOUT);
#endif
}
void is31fl3746a_select_page(uint8_t addr, uint8_t page) {
is31fl3746a_write_register(addr, IS31FL3746A_REG_COMMAND_WRITE_LOCK, IS31FL3746A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3746a_write_register(addr, IS31FL3746A_REG_COMMAND, page);
void is31fl3746a_select_page(uint8_t index, uint8_t page) {
is31fl3746a_write_register(index, IS31FL3746A_REG_COMMAND_WRITE_LOCK, IS31FL3746A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3746a_write_register(index, IS31FL3746A_REG_COMMAND, page);
}
void is31fl3746a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3746a_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 4 transfers of 18 bytes.
@ -82,10 +95,10 @@ void is31fl3746a_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3746A_PWM_REGISTER_COUNT; i += 18) {
#if IS31FL3746A_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3746A_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3746A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3746A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3746A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3746A_I2C_TIMEOUT);
#endif
}
}
@ -93,59 +106,45 @@ void is31fl3746a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3746a_init_drivers(void) {
i2c_init();
is31fl3746a_init(IS31FL3746A_I2C_ADDRESS_1);
#if defined(IS31FL3746A_I2C_ADDRESS_2)
is31fl3746a_init(IS31FL3746A_I2C_ADDRESS_2);
# if defined(IS31FL3746A_I2C_ADDRESS_3)
is31fl3746a_init(IS31FL3746A_I2C_ADDRESS_3);
# if defined(IS31FL3746A_I2C_ADDRESS_4)
is31fl3746a_init(IS31FL3746A_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3746A_DRIVER_COUNT; i++) {
is31fl3746a_init(i);
}
for (int i = 0; i < IS31FL3746A_LED_COUNT; i++) {
is31fl3746a_set_scaling_register(i, 0xFF);
}
is31fl3746a_update_scaling_registers(IS31FL3746A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3746A_I2C_ADDRESS_2)
is31fl3746a_update_scaling_registers(IS31FL3746A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3746A_I2C_ADDRESS_3)
is31fl3746a_update_scaling_registers(IS31FL3746A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3746A_I2C_ADDRESS_4)
is31fl3746a_update_scaling_registers(IS31FL3746A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3746A_DRIVER_COUNT; i++) {
is31fl3746a_update_scaling_registers(i);
}
}
void is31fl3746a_init(uint8_t addr) {
void is31fl3746a_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3746a_select_page(addr, IS31FL3746A_COMMAND_SCALING);
is31fl3746a_select_page(index, IS31FL3746A_COMMAND_SCALING);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3746A_SCALING_REGISTER_COUNT; i++) {
is31fl3746a_write_register(addr, i + 1, 0x00);
is31fl3746a_write_register(index, i + 1, 0x00);
}
is31fl3746a_select_page(addr, IS31FL3746A_COMMAND_PWM);
is31fl3746a_select_page(index, IS31FL3746A_COMMAND_PWM);
for (uint8_t i = 0; i < IS31FL3746A_PWM_REGISTER_COUNT; i++) {
is31fl3746a_write_register(addr, i + 1, 0x00);
is31fl3746a_write_register(index, i + 1, 0x00);
}
is31fl3746a_select_page(addr, IS31FL3746A_COMMAND_FUNCTION);
is31fl3746a_select_page(index, IS31FL3746A_COMMAND_FUNCTION);
is31fl3746a_write_register(addr, IS31FL3746A_FUNCTION_REG_PULLDOWNUP, (IS31FL3746A_SW_PULLDOWN << 4) | IS31FL3746A_CS_PULLUP);
is31fl3746a_write_register(addr, IS31FL3746A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3746A_GLOBAL_CURRENT);
is31fl3746a_write_register(addr, IS31FL3746A_FUNCTION_REG_PWM_ENABLE, 0x01);
is31fl3746a_write_register(addr, IS31FL3746A_FUNCTION_REG_PWM_FREQUENCY, IS31FL3746A_PWM_FREQUENCY);
is31fl3746a_write_register(addr, IS31FL3746A_FUNCTION_REG_CONFIGURATION, IS31FL3746A_CONFIGURATION);
is31fl3746a_write_register(index, IS31FL3746A_FUNCTION_REG_PULLDOWNUP, (IS31FL3746A_SW_PULLDOWN << 4) | IS31FL3746A_CS_PULLUP);
is31fl3746a_write_register(index, IS31FL3746A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3746A_GLOBAL_CURRENT);
is31fl3746a_write_register(index, IS31FL3746A_FUNCTION_REG_PWM_ENABLE, 0x01);
is31fl3746a_write_register(index, IS31FL3746A_FUNCTION_REG_PWM_FREQUENCY, IS31FL3746A_PWM_FREQUENCY);
is31fl3746a_write_register(index, IS31FL3746A_FUNCTION_REG_CONFIGURATION, IS31FL3746A_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -180,22 +179,22 @@ void is31fl3746a_set_scaling_register(uint8_t index, uint8_t value) {
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3746a_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3746a_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3746a_select_page(addr, IS31FL3746A_COMMAND_PWM);
is31fl3746a_select_page(index, IS31FL3746A_COMMAND_PWM);
is31fl3746a_write_pwm_buffer(addr, index);
is31fl3746a_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3746a_update_scaling_registers(uint8_t addr, uint8_t index) {
void is31fl3746a_update_scaling_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3746a_select_page(addr, IS31FL3746A_COMMAND_SCALING);
is31fl3746a_select_page(index, IS31FL3746A_COMMAND_SCALING);
for (uint8_t i = 0; i < IS31FL3746A_SCALING_REGISTER_COUNT; i++) {
is31fl3746a_write_register(addr, i + 1, g_scaling_registers[index][i]);
is31fl3746a_write_register(index, i + 1, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@ -203,14 +202,7 @@ void is31fl3746a_update_scaling_registers(uint8_t addr, uint8_t index) {
}
void is31fl3746a_flush(void) {
is31fl3746a_update_pwm_buffers(IS31FL3746A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3746A_I2C_ADDRESS_2)
is31fl3746a_update_pwm_buffers(IS31FL3746A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3746A_I2C_ADDRESS_3)
is31fl3746a_update_pwm_buffers(IS31FL3746A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3746A_I2C_ADDRESS_4)
is31fl3746a_update_pwm_buffers(IS31FL3746A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3746A_DRIVER_COUNT; i++) {
is31fl3746a_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3746a-mono.h
View file

@ -84,17 +84,17 @@ typedef struct is31fl3746a_led_t {
extern const is31fl3746a_led_t PROGMEM g_is31fl3746a_leds[IS31FL3746A_LED_COUNT];
void is31fl3746a_init_drivers(void);
void is31fl3746a_init(uint8_t addr);
void is31fl3746a_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3746a_select_page(uint8_t addr, uint8_t page);
void is31fl3746a_init(uint8_t index);
void is31fl3746a_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3746a_select_page(uint8_t index, uint8_t page);
void is31fl3746a_set_value(int index, uint8_t value);
void is31fl3746a_set_value_all(uint8_t value);
void is31fl3746a_set_scaling_register(uint8_t index, uint8_t value);
void is31fl3746a_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3746a_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3746a_update_pwm_buffers(uint8_t index);
void is31fl3746a_update_scaling_registers(uint8_t index);
void is31fl3746a_flush(void);

104
drivers/led/issi/is31fl3746a.c
View file

@ -53,28 +53,41 @@
# define IS31FL3746A_GLOBAL_CURRENT 0xFF
#endif
const uint8_t i2c_addresses[IS31FL3746A_DRIVER_COUNT] = {
IS31FL3746A_I2C_ADDRESS_1,
#ifdef IS31FL3746A_I2C_ADDRESS_2
IS31FL3746A_I2C_ADDRESS_2,
# ifdef IS31FL3746A_I2C_ADDRESS_3
IS31FL3746A_I2C_ADDRESS_3,
# ifdef IS31FL3746A_I2C_ADDRESS_4
IS31FL3746A_I2C_ADDRESS_4,
# endif
# endif
#endif
};
uint8_t g_pwm_buffer[IS31FL3746A_DRIVER_COUNT][IS31FL3746A_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3746A_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3746A_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3746A_DRIVER_COUNT][IS31FL3746A_SCALING_REGISTER_COUNT];
void is31fl3746a_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void is31fl3746a_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3746A_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3746A_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3746A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3746A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, IS31FL3746A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3746A_I2C_TIMEOUT);
#endif
}
void is31fl3746a_select_page(uint8_t addr, uint8_t page) {
is31fl3746a_write_register(addr, IS31FL3746A_REG_COMMAND_WRITE_LOCK, IS31FL3746A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3746a_write_register(addr, IS31FL3746A_REG_COMMAND, page);
void is31fl3746a_select_page(uint8_t index, uint8_t page) {
is31fl3746a_write_register(index, IS31FL3746A_REG_COMMAND_WRITE_LOCK, IS31FL3746A_COMMAND_WRITE_LOCK_MAGIC);
is31fl3746a_write_register(index, IS31FL3746A_REG_COMMAND, page);
}
void is31fl3746a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3746a_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 4 transfers of 18 bytes.
@ -82,10 +95,10 @@ void is31fl3746a_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3746A_PWM_REGISTER_COUNT; i += 18) {
#if IS31FL3746A_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3746A_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3746A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3746A_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3746A_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3746A_I2C_TIMEOUT);
#endif
}
}
@ -93,59 +106,45 @@ void is31fl3746a_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3746a_init_drivers(void) {
i2c_init();
is31fl3746a_init(IS31FL3746A_I2C_ADDRESS_1);
#if defined(IS31FL3746A_I2C_ADDRESS_2)
is31fl3746a_init(IS31FL3746A_I2C_ADDRESS_2);
# if defined(IS31FL3746A_I2C_ADDRESS_3)
is31fl3746a_init(IS31FL3746A_I2C_ADDRESS_3);
# if defined(IS31FL3746A_I2C_ADDRESS_4)
is31fl3746a_init(IS31FL3746A_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3746A_DRIVER_COUNT; i++) {
is31fl3746a_init(i);
}
for (int i = 0; i < IS31FL3746A_LED_COUNT; i++) {
is31fl3746a_set_scaling_register(i, 0xFF, 0xFF, 0xFF);
}
is31fl3746a_update_scaling_registers(IS31FL3746A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3746A_I2C_ADDRESS_2)
is31fl3746a_update_scaling_registers(IS31FL3746A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3746A_I2C_ADDRESS_3)
is31fl3746a_update_scaling_registers(IS31FL3746A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3746A_I2C_ADDRESS_4)
is31fl3746a_update_scaling_registers(IS31FL3746A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3746A_DRIVER_COUNT; i++) {
is31fl3746a_update_scaling_registers(i);
}
}
void is31fl3746a_init(uint8_t addr) {
void is31fl3746a_init(uint8_t index) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
is31fl3746a_select_page(addr, IS31FL3746A_COMMAND_SCALING);
is31fl3746a_select_page(index, IS31FL3746A_COMMAND_SCALING);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3746A_SCALING_REGISTER_COUNT; i++) {
is31fl3746a_write_register(addr, i + 1, 0x00);
is31fl3746a_write_register(index, i + 1, 0x00);
}
is31fl3746a_select_page(addr, IS31FL3746A_COMMAND_PWM);
is31fl3746a_select_page(index, IS31FL3746A_COMMAND_PWM);
for (uint8_t i = 0; i < IS31FL3746A_PWM_REGISTER_COUNT; i++) {
is31fl3746a_write_register(addr, i + 1, 0x00);
is31fl3746a_write_register(index, i + 1, 0x00);
}
is31fl3746a_select_page(addr, IS31FL3746A_COMMAND_FUNCTION);
is31fl3746a_select_page(index, IS31FL3746A_COMMAND_FUNCTION);
is31fl3746a_write_register(addr, IS31FL3746A_FUNCTION_REG_PULLDOWNUP, (IS31FL3746A_SW_PULLDOWN << 4) | IS31FL3746A_CS_PULLUP);
is31fl3746a_write_register(addr, IS31FL3746A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3746A_GLOBAL_CURRENT);
is31fl3746a_write_register(addr, IS31FL3746A_FUNCTION_REG_PWM_ENABLE, 0x01);
is31fl3746a_write_register(addr, IS31FL3746A_FUNCTION_REG_PWM_FREQUENCY, IS31FL3746A_PWM_FREQUENCY);
is31fl3746a_write_register(addr, IS31FL3746A_FUNCTION_REG_CONFIGURATION, IS31FL3746A_CONFIGURATION);
is31fl3746a_write_register(index, IS31FL3746A_FUNCTION_REG_PULLDOWNUP, (IS31FL3746A_SW_PULLDOWN << 4) | IS31FL3746A_CS_PULLUP);
is31fl3746a_write_register(index, IS31FL3746A_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3746A_GLOBAL_CURRENT);
is31fl3746a_write_register(index, IS31FL3746A_FUNCTION_REG_PWM_ENABLE, 0x01);
is31fl3746a_write_register(index, IS31FL3746A_FUNCTION_REG_PWM_FREQUENCY, IS31FL3746A_PWM_FREQUENCY);
is31fl3746a_write_register(index, IS31FL3746A_FUNCTION_REG_CONFIGURATION, IS31FL3746A_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -184,22 +183,22 @@ void is31fl3746a_set_scaling_register(uint8_t index, uint8_t red, uint8_t green,
g_scaling_registers_update_required[led.driver] = true;
}
void is31fl3746a_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3746a_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
is31fl3746a_select_page(addr, IS31FL3746A_COMMAND_PWM);
is31fl3746a_select_page(index, IS31FL3746A_COMMAND_PWM);
is31fl3746a_write_pwm_buffer(addr, index);
is31fl3746a_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void is31fl3746a_update_scaling_registers(uint8_t addr, uint8_t index) {
void is31fl3746a_update_scaling_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
is31fl3746a_select_page(addr, IS31FL3746A_COMMAND_SCALING);
is31fl3746a_select_page(index, IS31FL3746A_COMMAND_SCALING);
for (uint8_t i = 0; i < IS31FL3746A_SCALING_REGISTER_COUNT; i++) {
is31fl3746a_write_register(addr, i + 1, g_scaling_registers[index][i]);
is31fl3746a_write_register(index, i + 1, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@ -207,14 +206,7 @@ void is31fl3746a_update_scaling_registers(uint8_t addr, uint8_t index) {
}
void is31fl3746a_flush(void) {
is31fl3746a_update_pwm_buffers(IS31FL3746A_I2C_ADDRESS_1, 0);
#if defined(IS31FL3746A_I2C_ADDRESS_2)
is31fl3746a_update_pwm_buffers(IS31FL3746A_I2C_ADDRESS_2, 1);
# if defined(IS31FL3746A_I2C_ADDRESS_3)
is31fl3746a_update_pwm_buffers(IS31FL3746A_I2C_ADDRESS_3, 2);
# if defined(IS31FL3746A_I2C_ADDRESS_4)
is31fl3746a_update_pwm_buffers(IS31FL3746A_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < IS31FL3746A_DRIVER_COUNT; i++) {
is31fl3746a_update_pwm_buffers(i);
}
}

10
drivers/led/issi/is31fl3746a.h
View file

@ -86,17 +86,17 @@ typedef struct is31fl3746a_led_t {
extern const is31fl3746a_led_t PROGMEM g_is31fl3746a_leds[IS31FL3746A_LED_COUNT];
void is31fl3746a_init_drivers(void);
void is31fl3746a_init(uint8_t addr);
void is31fl3746a_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void is31fl3746a_select_page(uint8_t addr, uint8_t page);
void is31fl3746a_init(uint8_t index);
void is31fl3746a_write_register(uint8_t index, uint8_t reg, uint8_t data);
void is31fl3746a_select_page(uint8_t index, uint8_t page);
void is31fl3746a_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3746a_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
void is31fl3746a_set_scaling_register(uint8_t index, uint8_t red, uint8_t green, uint8_t blue);
void is31fl3746a_update_pwm_buffers(uint8_t addr, uint8_t index);
void is31fl3746a_update_scaling_registers(uint8_t addr, uint8_t index);
void is31fl3746a_update_pwm_buffers(uint8_t index);
void is31fl3746a_update_scaling_registers(uint8_t index);
void is31fl3746a_flush(void);

130
drivers/led/snled27351-mono.c
View file

@ -37,6 +37,19 @@
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }
#endif
const uint8_t i2c_addresses[SNLED27351_DRIVER_COUNT] = {
SNLED27351_I2C_ADDRESS_1,
#ifdef SNLED27351_I2C_ADDRESS_2
SNLED27351_I2C_ADDRESS_2,
# ifdef SNLED27351_I2C_ADDRESS_3
SNLED27351_I2C_ADDRESS_3,
# ifdef SNLED27351_I2C_ADDRESS_4
SNLED27351_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the SNLED27351 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -49,21 +62,21 @@ bool g_pwm_buffer_update_required[SNLED27351_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[SNLED27351_DRIVER_COUNT][SNLED27351_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[SNLED27351_DRIVER_COUNT] = {false};
void snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void snled27351_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if SNLED27351_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < SNLED27351_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT);
#endif
}
void snled27351_select_page(uint8_t addr, uint8_t page) {
snled27351_write_register(addr, SNLED27351_REG_COMMAND, page);
void snled27351_select_page(uint8_t index, uint8_t page) {
snled27351_write_register(index, SNLED27351_REG_COMMAND, page);
}
void snled27351_write_pwm_buffer(uint8_t addr, uint8_t index) {
void snled27351_write_pwm_buffer(uint8_t index) {
// Assumes PG1 is already selected.
// Transmit PWM registers in 12 transfers of 16 bytes.
@ -71,10 +84,10 @@ void snled27351_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < SNLED27351_PWM_REGISTER_COUNT; i += 16) {
#if SNLED27351_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < SNLED27351_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT);
#endif
}
}
@ -82,78 +95,64 @@ void snled27351_write_pwm_buffer(uint8_t addr, uint8_t index) {
void snled27351_init_drivers(void) {
i2c_init();
snled27351_init(SNLED27351_I2C_ADDRESS_1);
#if defined(SNLED27351_I2C_ADDRESS_2)
snled27351_init(SNLED27351_I2C_ADDRESS_2);
# if defined(SNLED27351_I2C_ADDRESS_3)
snled27351_init(SNLED27351_I2C_ADDRESS_3);
# if defined(SNLED27351_I2C_ADDRESS_4)
snled27351_init(SNLED27351_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < SNLED27351_DRIVER_COUNT; i++) {
snled27351_init(i);
}
for (int i = 0; i < SNLED27351_LED_COUNT; i++) {
snled27351_set_led_control_register(i, true);
}
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_1, 0);
#if defined(SNLED27351_I2C_ADDRESS_2)
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_2, 1);
# if defined(SNLED27351_I2C_ADDRESS_3)
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_3, 2);
# if defined(SNLED27351_I2C_ADDRESS_4)
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < SNLED27351_DRIVER_COUNT; i++) {
snled27351_update_led_control_registers(i);
}
}
void snled27351_init(uint8_t addr) {
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
void snled27351_init(uint8_t index) {
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to shutdown mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
// Setting internal channel pulldown/pullup
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_PULLDOWNUP, SNLED27351_PULLDOWNUP_ALL_ENABLED);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_PULLDOWNUP, SNLED27351_PULLDOWNUP_ALL_ENABLED);
// Select number of scan phase
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SCAN_PHASE, SNLED27351_PHASE_CHANNEL);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SCAN_PHASE, SNLED27351_PHASE_CHANNEL);
// Setting PWM Delay Phase
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_1, SNLED27351_SLEW_RATE_CONTROL_MODE_1_PDP_ENABLE);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_1, SNLED27351_SLEW_RATE_CONTROL_MODE_1_PDP_ENABLE);
// Setting Driving/Sinking Channel Slew Rate
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_2, SNLED27351_SLEW_RATE_CONTROL_MODE_2_DSL_ENABLE | SNLED27351_SLEW_RATE_CONTROL_MODE_2_SSL_ENABLE);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_2, SNLED27351_SLEW_RATE_CONTROL_MODE_2_DSL_ENABLE | SNLED27351_SLEW_RATE_CONTROL_MODE_2_SSL_ENABLE);
// Setting Iref
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, 0);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, 0);
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(index, SNLED27351_COMMAND_LED_CONTROL);
for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
snled27351_write_register(addr, i, 0x00);
snled27351_write_register(index, i, 0x00);
}
snled27351_select_page(addr, SNLED27351_COMMAND_PWM);
snled27351_select_page(index, SNLED27351_COMMAND_PWM);
for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
snled27351_write_register(addr, i, 0x00);
snled27351_write_register(index, i, 0x00);
}
snled27351_select_page(addr, SNLED27351_COMMAND_CURRENT_TUNE);
snled27351_select_page(index, SNLED27351_COMMAND_CURRENT_TUNE);
uint8_t current_tune_reg_list[SNLED27351_LED_CURRENT_TUNE_LENGTH] = SNLED27351_CURRENT_TUNE;
for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
snled27351_write_register(addr, i, current_tune_reg_list[i]);
snled27351_write_register(index, i, current_tune_reg_list[i]);
}
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(index, SNLED27351_COMMAND_LED_CONTROL);
for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
snled27351_write_register(addr, i, 0xFF);
snled27351_write_register(index, i, 0xFF);
}
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to normal mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
}
void snled27351_set_value(int index, uint8_t value) {
@ -192,22 +191,22 @@ void snled27351_set_led_control_register(uint8_t index, bool value) {
g_led_control_registers_update_required[led.driver] = true;
}
void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
void snled27351_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
snled27351_select_page(addr, SNLED27351_COMMAND_PWM);
snled27351_select_page(index, SNLED27351_COMMAND_PWM);
snled27351_write_pwm_buffer(addr, index);
snled27351_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
void snled27351_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(index, SNLED27351_COMMAND_LED_CONTROL);
for (uint8_t i = 0; i < SNLED27351_LED_CONTROL_REGISTER_COUNT; i++) {
snled27351_write_register(addr, i, g_led_control_registers[index][i]);
snled27351_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -215,30 +214,23 @@ void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void snled27351_flush(void) {
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_1, 0);
#if defined(SNLED27351_I2C_ADDRESS_2)
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_2, 1);
# if defined(SNLED27351_I2C_ADDRESS_3)
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_3, 2);
# if defined(SNLED27351_I2C_ADDRESS_4)
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < SNLED27351_DRIVER_COUNT; i++) {
snled27351_update_pwm_buffers(i);
}
}
void snled27351_sw_return_normal(uint8_t addr) {
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
void snled27351_sw_return_normal(uint8_t index) {
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to normal mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
}
void snled27351_sw_shutdown(uint8_t addr) {
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
void snled27351_sw_shutdown(uint8_t index) {
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to shutdown mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
// Write SW Sleep Register
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, SNLED27351_SOFTWARE_SLEEP_ENABLE);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, SNLED27351_SOFTWARE_SLEEP_ENABLE);
}

14
drivers/led/snled27351-mono.h
View file

@ -154,9 +154,9 @@ typedef struct snled27351_led_t {
extern const snled27351_led_t PROGMEM g_snled27351_leds[SNLED27351_LED_COUNT];
void snled27351_init_drivers(void);
void snled27351_init(uint8_t addr);
void snled27351_select_page(uint8_t addr, uint8_t page);
void snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void snled27351_init(uint8_t index);
void snled27351_select_page(uint8_t index, uint8_t page);
void snled27351_write_register(uint8_t index, uint8_t reg, uint8_t data);
void snled27351_set_value(int index, uint8_t value);
void snled27351_set_value_all(uint8_t value);
@ -167,13 +167,13 @@ void snled27351_set_led_control_register(uint8_t index, bool value);
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index);
void snled27351_update_led_control_registers(uint8_t addr, uint8_t index);
void snled27351_update_pwm_buffers(uint8_t index);
void snled27351_update_led_control_registers(uint8_t index);
void snled27351_flush(void);
void snled27351_sw_return_normal(uint8_t addr);
void snled27351_sw_shutdown(uint8_t addr);
void snled27351_sw_return_normal(uint8_t index);
void snled27351_sw_shutdown(uint8_t index);
#define A_1 0x00
#define A_2 0x01

130
drivers/led/snled27351.c
View file

@ -37,6 +37,19 @@
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }
#endif
const uint8_t i2c_addresses[SNLED27351_DRIVER_COUNT] = {
SNLED27351_I2C_ADDRESS_1,
#ifdef SNLED27351_I2C_ADDRESS_2
SNLED27351_I2C_ADDRESS_2,
# ifdef SNLED27351_I2C_ADDRESS_3
SNLED27351_I2C_ADDRESS_3,
# ifdef SNLED27351_I2C_ADDRESS_4
SNLED27351_I2C_ADDRESS_4,
# endif
# endif
#endif
};
// These buffers match the SNLED27351 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -49,21 +62,21 @@ bool g_pwm_buffer_update_required[SNLED27351_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[SNLED27351_DRIVER_COUNT][SNLED27351_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[SNLED27351_DRIVER_COUNT] = {false};
void snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
void snled27351_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if SNLED27351_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < SNLED27351_I2C_PERSISTENCE; i++) {
if (i2c_write_register(addr << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, SNLED27351_I2C_TIMEOUT);
#endif
}
void snled27351_select_page(uint8_t addr, uint8_t page) {
snled27351_write_register(addr, SNLED27351_REG_COMMAND, page);
void snled27351_select_page(uint8_t index, uint8_t page) {
snled27351_write_register(index, SNLED27351_REG_COMMAND, page);
}
void snled27351_write_pwm_buffer(uint8_t addr, uint8_t index) {
void snled27351_write_pwm_buffer(uint8_t index) {
// Assumes PG1 is already selected.
// Transmit PWM registers in 12 transfers of 16 bytes.
@ -71,10 +84,10 @@ void snled27351_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < SNLED27351_PWM_REGISTER_COUNT; i += 16) {
#if SNLED27351_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < SNLED27351_I2C_PERSISTENCE; j++) {
if (i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
if (i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_write_register(addr << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT);
i2c_write_register(i2c_addresses[index] << 1, i, g_pwm_buffer[index] + i, 16, SNLED27351_I2C_TIMEOUT);
#endif
}
}
@ -82,78 +95,64 @@ void snled27351_write_pwm_buffer(uint8_t addr, uint8_t index) {
void snled27351_init_drivers(void) {
i2c_init();
snled27351_init(SNLED27351_I2C_ADDRESS_1);
#if defined(SNLED27351_I2C_ADDRESS_2)
snled27351_init(SNLED27351_I2C_ADDRESS_2);
# if defined(SNLED27351_I2C_ADDRESS_3)
snled27351_init(SNLED27351_I2C_ADDRESS_3);
# if defined(SNLED27351_I2C_ADDRESS_4)
snled27351_init(SNLED27351_I2C_ADDRESS_4);
# endif
# endif
#endif
for (uint8_t i = 0; i < SNLED27351_DRIVER_COUNT; i++) {
snled27351_init(i);
}
for (int i = 0; i < SNLED27351_LED_COUNT; i++) {
snled27351_set_led_control_register(i, true, true, true);
}
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_1, 0);
#if defined(SNLED27351_I2C_ADDRESS_2)
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_2, 1);
# if defined(SNLED27351_I2C_ADDRESS_3)
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_3, 2);
# if defined(SNLED27351_I2C_ADDRESS_4)
snled27351_update_led_control_registers(SNLED27351_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < SNLED27351_DRIVER_COUNT; i++) {
snled27351_update_led_control_registers(i);
}
}
void snled27351_init(uint8_t addr) {
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
void snled27351_init(uint8_t index) {
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to shutdown mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
// Setting internal channel pulldown/pullup
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_PULLDOWNUP, SNLED27351_PULLDOWNUP_ALL_ENABLED);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_PULLDOWNUP, SNLED27351_PULLDOWNUP_ALL_ENABLED);
// Select number of scan phase
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SCAN_PHASE, SNLED27351_PHASE_CHANNEL);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SCAN_PHASE, SNLED27351_PHASE_CHANNEL);
// Setting PWM Delay Phase
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_1, SNLED27351_SLEW_RATE_CONTROL_MODE_1_PDP_ENABLE);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_1, SNLED27351_SLEW_RATE_CONTROL_MODE_1_PDP_ENABLE);
// Setting Driving/Sinking Channel Slew Rate
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_2, SNLED27351_SLEW_RATE_CONTROL_MODE_2_DSL_ENABLE | SNLED27351_SLEW_RATE_CONTROL_MODE_2_SSL_ENABLE);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_2, SNLED27351_SLEW_RATE_CONTROL_MODE_2_DSL_ENABLE | SNLED27351_SLEW_RATE_CONTROL_MODE_2_SSL_ENABLE);
// Setting Iref
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, 0);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, 0);
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(index, SNLED27351_COMMAND_LED_CONTROL);
for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
snled27351_write_register(addr, i, 0x00);
snled27351_write_register(index, i, 0x00);
}
snled27351_select_page(addr, SNLED27351_COMMAND_PWM);
snled27351_select_page(index, SNLED27351_COMMAND_PWM);
for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
snled27351_write_register(addr, i, 0x00);
snled27351_write_register(index, i, 0x00);
}
snled27351_select_page(addr, SNLED27351_COMMAND_CURRENT_TUNE);
snled27351_select_page(index, SNLED27351_COMMAND_CURRENT_TUNE);
uint8_t current_tune_reg_list[SNLED27351_LED_CURRENT_TUNE_LENGTH] = SNLED27351_CURRENT_TUNE;
for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
snled27351_write_register(addr, i, current_tune_reg_list[i]);
snled27351_write_register(index, i, current_tune_reg_list[i]);
}
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(index, SNLED27351_COMMAND_LED_CONTROL);
for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
snled27351_write_register(addr, i, 0xFF);
snled27351_write_register(index, i, 0xFF);
}
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to normal mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
}
void snled27351_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
@ -208,22 +207,22 @@ void snled27351_set_led_control_register(uint8_t index, bool red, bool green, bo
g_led_control_registers_update_required[led.driver] = true;
}
void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
void snled27351_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
snled27351_select_page(addr, SNLED27351_COMMAND_PWM);
snled27351_select_page(index, SNLED27351_COMMAND_PWM);
snled27351_write_pwm_buffer(addr, index);
snled27351_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
void snled27351_update_led_control_registers(uint8_t index) {
if (g_led_control_registers_update_required[index]) {
snled27351_select_page(addr, SNLED27351_COMMAND_LED_CONTROL);
snled27351_select_page(index, SNLED27351_COMMAND_LED_CONTROL);
for (uint8_t i = 0; i < SNLED27351_LED_CONTROL_REGISTER_COUNT; i++) {
snled27351_write_register(addr, i, g_led_control_registers[index][i]);
snled27351_write_register(index, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
@ -231,30 +230,23 @@ void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
}
void snled27351_flush(void) {
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_1, 0);
#if defined(SNLED27351_I2C_ADDRESS_2)
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_2, 1);
# if defined(SNLED27351_I2C_ADDRESS_3)
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_3, 2);
# if defined(SNLED27351_I2C_ADDRESS_4)
snled27351_update_pwm_buffers(SNLED27351_I2C_ADDRESS_4, 3);
# endif
# endif
#endif
for (uint8_t i = 0; i < SNLED27351_DRIVER_COUNT; i++) {
snled27351_update_pwm_buffers(i);
}
}
void snled27351_sw_return_normal(uint8_t addr) {
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
void snled27351_sw_return_normal(uint8_t index) {
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to normal mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
}
void snled27351_sw_shutdown(uint8_t addr) {
snled27351_select_page(addr, SNLED27351_COMMAND_FUNCTION);
void snled27351_sw_shutdown(uint8_t index) {
snled27351_select_page(index, SNLED27351_COMMAND_FUNCTION);
// Setting LED driver to shutdown mode
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
// Write SW Sleep Register
snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, SNLED27351_SOFTWARE_SLEEP_ENABLE);
snled27351_write_register(index, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, SNLED27351_SOFTWARE_SLEEP_ENABLE);
}

14
drivers/led/snled27351.h
View file

@ -168,9 +168,9 @@ typedef struct snled27351_led_t {
extern const snled27351_led_t PROGMEM g_snled27351_leds[SNLED27351_LED_COUNT];
void snled27351_init_drivers(void);
void snled27351_init(uint8_t addr);
void snled27351_select_page(uint8_t addr, uint8_t page);
void snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data);
void snled27351_init(uint8_t index);
void snled27351_select_page(uint8_t index, uint8_t page);
void snled27351_write_register(uint8_t index, uint8_t reg, uint8_t data);
void snled27351_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
void snled27351_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
@ -181,13 +181,13 @@ void snled27351_set_led_control_register(uint8_t index, bool red, bool green, bo
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index);
void snled27351_update_led_control_registers(uint8_t addr, uint8_t index);
void snled27351_update_pwm_buffers(uint8_t index);
void snled27351_update_led_control_registers(uint8_t index);
void snled27351_flush(void);
void snled27351_sw_return_normal(uint8_t addr);
void snled27351_sw_shutdown(uint8_t addr);
void snled27351_sw_return_normal(uint8_t index);
void snled27351_sw_shutdown(uint8_t index);
#define A_1 0x00
#define A_2 0x01