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LED drivers: add defines for PWM and LED control register counts (#22383)

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Ryan 2023-11-02 06:13:25 +11:00 • committed by GitHub
parent 0a94c2951f
commit a27bc60703
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GPG key ID: 4AEE18F83AFDEB23
15 changed files with 130 additions and 91 deletions
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15
drivers/led/issi/is31fl3731-simple.c
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@ -42,6 +42,9 @@
#define IS31FL3731_COMMANDREGISTER 0xFD
#define IS31FL3731_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
#define IS31FL3731_PWM_REGISTER_COUNT 144
#define IS31FL3731_LED_CONTROL_REGISTER_COUNT 18
#ifndef IS31FL3731_I2C_TIMEOUT
# define IS31FL3731_I2C_TIMEOUT 100
#endif
@ -58,11 +61,11 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3731_write_pwm_buffer() but it's
// probably not worth the extra complexity.
uint8_t g_pwm_buffer[IS31FL3731_DRIVER_COUNT][144];
uint8_t g_pwm_buffer[IS31FL3731_DRIVER_COUNT][IS31FL3731_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {0};
bool g_led_control_registers_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) {
g_twi_transfer_buffer[0] = reg;
@ -86,7 +89,7 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes
// iterate over the pwm_buffer contents at 16 byte intervals
for (int i = 0; i < 144; i += 16) {
for (int i = 0; i < IS31FL3731_PWM_REGISTER_COUNT; i += 16) {
// set the first register, e.g. 0x24, 0x34, 0x44, etc.
g_twi_transfer_buffer[0] = 0x24 + i;
// copy the data from i to i+15
@ -163,7 +166,7 @@ void is31fl3731_init(uint8_t addr) {
is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
// turn off all LEDs in the LED control register
for (int i = 0x00; i <= 0x11; i++) {
for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, i, 0x00);
}
@ -235,7 +238,7 @@ void is31fl3731_update_pwm_buffers(uint8_t addr, uint8_t index) {
void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
for (int i = 0; i < 18; i++) {
for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;