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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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15 changed files with 130 additions and 91 deletions
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15
drivers/led/issi/is31fl3218-simple.c
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@ -24,6 +24,9 @@
#define IS31FL3218_REG_UPDATE 0x16
#define IS31FL3218_REG_RESET 0x17
#define IS31FL3218_PWM_REGISTER_COUNT 18
#define IS31FL3218_LED_CONTROL_REGISTER_COUNT 3
#ifndef IS31FL3218_I2C_TIMEOUT
# define IS31FL3218_I2C_TIMEOUT 100
#endif
@ -36,11 +39,11 @@
uint8_t g_twi_transfer_buffer[20];
// IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining.
uint8_t g_pwm_buffer[18];
uint8_t g_pwm_buffer[IS31FL3218_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required = false;
uint8_t g_led_control_registers[3] = {0};
bool g_led_control_registers_update_required = false;
uint8_t g_led_control_registers[IS31FL3218_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required = false;
void is31fl3218_write_register(uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
@ -77,12 +80,12 @@ void is31fl3218_init(void) {
is31fl3218_write_register(IS31FL3218_REG_SHUTDOWN, 0x01);
// Set all PWM values to zero
for (uint8_t i = 0; i < 18; i++) {
for (uint8_t i = 0; i < IS31FL3218_PWM_REGISTER_COUNT; i++) {
is31fl3218_write_register(IS31FL3218_REG_PWM + i, 0x00);
}
// turn off all LEDs in the LED control register
for (uint8_t i = 0; i < 3; i++) {
for (uint8_t i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, 0x00);
}
@ -142,7 +145,7 @@ void is31fl3218_update_pwm_buffers(void) {
void is31fl3218_update_led_control_registers(void) {
if (g_led_control_registers_update_required) {
for (int i = 0; i < 3; i++) {
for (int i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, g_led_control_registers[i]);
}