diff options
| author | Sergey Vlasov <sigprof@gmail.com> | 2021-03-03 07:26:06 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-02 20:26:06 -0800 |
| commit | 18a333ec6bc9051ae7ec63a809d725c5c5f77046 (patch) | |
| tree | f2f34dfe316a4c5c6d1ad065c7512a32d46e5820 /drivers | |
| parent | 8f5d2e546e69e09edd28ff68f3d3a894f96087a7 (diff) | |
Add support for complementary outputs to the WS2812 PWM driver (#11988)
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/chibios/ws2812_pwm.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/chibios/ws2812_pwm.c b/drivers/chibios/ws2812_pwm.c index 140120d488..e6af55b6b3 100644 --- a/drivers/chibios/ws2812_pwm.c +++ b/drivers/chibios/ws2812_pwm.c @@ -27,6 +27,15 @@ # error "please consult your MCU's datasheet and specify in your config.h: #define WS2812_DMAMUX_ID STM32_DMAMUX1_TIM?_UP" #endif +#ifndef WS2812_PWM_COMPLEMENTARY_OUTPUT +# define WS2812_PWM_OUTPUT_MODE PWM_OUTPUT_ACTIVE_HIGH +#else +# if !STM32_PWM_USE_ADVANCED +# error "WS2812_PWM_COMPLEMENTARY_OUTPUT requires STM32_PWM_USE_ADVANCED == TRUE" +# endif +# define WS2812_PWM_OUTPUT_MODE PWM_COMPLEMENTARY_OUTPUT_ACTIVE_HIGH +#endif + // Push Pull or Open Drain Configuration // Default Push Pull #ifndef WS2812_EXTERNAL_PULLUP @@ -247,7 +256,7 @@ void ws2812_init(void) { .channels = { [0 ... 3] = {.mode = PWM_OUTPUT_DISABLED, .callback = NULL}, // Channels default to disabled - [WS2812_PWM_CHANNEL - 1] = {.mode = PWM_OUTPUT_ACTIVE_HIGH, .callback = NULL}, // Turn on the channel we care about + [WS2812_PWM_CHANNEL - 1] = {.mode = WS2812_PWM_OUTPUT_MODE, .callback = NULL}, // Turn on the channel we care about }, .cr2 = 0, .dier = TIM_DIER_UDE, // DMA on update event for next period |