diff options
Diffstat (limited to 'drivers/led/aw20216s.c')
-rw-r--r-- | drivers/led/aw20216s.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/led/aw20216s.c b/drivers/led/aw20216s.c index ab7f3ccb42..9a05d72ca9 100644 --- a/drivers/led/aw20216s.c +++ b/drivers/led/aw20216s.c @@ -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}; @@ -131,13 +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) { @@ -147,10 +155,10 @@ 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); + 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; } - g_pwm_buffer_update_required[index] = false; } void aw20216s_flush(void) { |