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LED drivers: create structs to hold PWM/scaling buffers (#22955)

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Ryan 2024-02-10 18:48:13 +11:00 • committed by GitHub
parent a5ea619139
commit 66015f1645
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GPG key ID: B5690EEEBB952194
24 changed files with 668 additions and 479 deletions
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27
drivers/led/aw20216s.c
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@ -45,8 +45,15 @@
# define AW20216S_SPI_DIVISOR 4
#endif
uint8_t g_pwm_buffer[AW20216S_DRIVER_COUNT][AW20216S_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[AW20216S_DRIVER_COUNT] = {false};
typedef struct aw20216s_driver_t {
uint8_t pwm_buffer[AW20216S_PWM_REGISTER_COUNT];
bool pwm_buffer_dirty;
} PACKED aw20216s_driver_t;
aw20216s_driver_t driver_buffers[AW20216S_DRIVER_COUNT] = {{
.pwm_buffer = {0},
.pwm_buffer_dirty = false,
}};
bool aw20216s_write(pin_t cs_pin, uint8_t page, uint8_t reg, uint8_t* data, uint8_t len) {
static uint8_t s_spi_transfer_buffer[2] = {0};
@ -131,14 +138,14 @@ void aw20216s_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
aw20216s_led_t led;
memcpy_P(&led, (&g_aw20216s_leds[index]), sizeof(led));
if (g_pwm_buffer[led.driver][led.r] == red && g_pwm_buffer[led.driver][led.g] == green && g_pwm_buffer[led.driver][led.b] == blue) {
if (driver_buffers[led.driver].pwm_buffer[led.r] == red && driver_buffers[led.driver].pwm_buffer[led.g] == green && driver_buffers[led.driver].pwm_buffer[led.b] == blue) {
return;
}
g_pwm_buffer[led.driver][led.r] = red;
g_pwm_buffer[led.driver][led.g] = green;
g_pwm_buffer[led.driver][led.b] = blue;
g_pwm_buffer_update_required[led.driver] = true;
driver_buffers[led.driver].pwm_buffer[led.r] = red;
driver_buffers[led.driver].pwm_buffer[led.g] = green;
driver_buffers[led.driver].pwm_buffer[led.b] = blue;
driver_buffers[led.driver].pwm_buffer_dirty = true;
}
void aw20216s_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
@ -148,9 +155,9 @@ void aw20216s_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
}
void aw20216s_update_pwm_buffers(pin_t cs_pin, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
aw20216s_write(cs_pin, AW20216S_PAGE_PWM, 0, g_pwm_buffer[index], AW20216S_PWM_REGISTER_COUNT);
g_pwm_buffer_update_required[index] = false;
if (driver_buffers[index].pwm_buffer_dirty) {
aw20216s_write(cs_pin, AW20216S_PAGE_PWM, 0, driver_buffers[index].pwm_buffer, AW20216S_PWM_REGISTER_COUNT);
driver_buffers[index].pwm_buffer_dirty = false;
}
}