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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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54 changed files with 1292 additions and 1349 deletions
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102
drivers/led/issi/is31fl3742a.c
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@ -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);
}
}