diff options
| -rw-r--r-- | drivers/chibios/ws2812.c | 10 | ||||
| -rw-r--r-- | drivers/chibios/ws2812_pwm.c | 22 | ||||
| -rw-r--r-- | drivers/chibios/ws2812_spi.c | 22 |
3 files changed, 43 insertions, 11 deletions
diff --git a/drivers/chibios/ws2812.c b/drivers/chibios/ws2812.c index fa702fca98..1824806939 100644 --- a/drivers/chibios/ws2812.c +++ b/drivers/chibios/ws2812.c @@ -14,6 +14,14 @@ # endif #endif +// Push Pull or Open Drain Configuration +// Default Push Pull +#ifndef WS2812_EXTERNAL_PULLUP +# define WS2812_OUTPUT_MODE PAL_MODE_OUTPUT_PUSHPULL +#else +# define WS2812_OUTPUT_MODE PAL_MODE_OUTPUT_OPENDRAIN +#endif + #define NUMBER_NOPS 6 #define CYCLES_PER_SEC (STM32_SYSCLK / NUMBER_NOPS * NOP_FUDGE) #define NS_PER_SEC (1000000000L) // Note that this has to be SIGNED since we want to be able to check for negative values of derivatives @@ -66,7 +74,7 @@ void sendByte(uint8_t byte) { } } -void ws2812_init(void) { setPinOutput(RGB_DI_PIN); } +void ws2812_init(void) { palSetLineMode(RGB_DI_PIN, WS2812_OUTPUT_MODE); } // Setleds for standard RGB void ws2812_setleds(LED_TYPE *ledarray, uint16_t leds) { diff --git a/drivers/chibios/ws2812_pwm.c b/drivers/chibios/ws2812_pwm.c index 1a17210298..ba45d00425 100644 --- a/drivers/chibios/ws2812_pwm.c +++ b/drivers/chibios/ws2812_pwm.c @@ -24,6 +24,22 @@ # define WS2812_DMA_CHANNEL 2 // DMA Channel for TIMx_UP #endif +// Push Pull or Open Drain Configuration +// Default Push Pull +#ifndef WS2812_EXTERNAL_PULLUP +# if defined(USE_GPIOV1) +# define WS2812_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL +# else +# define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_PWM_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST | PAL_STM32_PUPDR_FLOATING +# endif +#else +# if defined(USE_GPIOV1) +# define WS2812_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN +# else +# define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_PWM_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_OSPEED_HIGHEST | PAL_STM32_PUPDR_FLOATING +# endif +#endif + #ifndef WS2812_PWM_TARGET_PERIOD //# define WS2812_PWM_TARGET_PERIOD 800000 // Original code is 800k...? # define WS2812_PWM_TARGET_PERIOD 80000 // TODO: work out why 10x less on f303/f4x1 @@ -142,11 +158,7 @@ void ws2812_init(void) { for (i = 0; i < WS2812_COLOR_BIT_N; i++) ws2812_frame_buffer[i] = WS2812_DUTYCYCLE_0; // All color bits are zero duty cycle for (i = 0; i < WS2812_RESET_BIT_N; i++) ws2812_frame_buffer[i + WS2812_COLOR_BIT_N] = 0; // All reset bits are zero -#if defined(USE_GPIOV1) - palSetLineMode(RGB_DI_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL); -#else - palSetLineMode(RGB_DI_PIN, PAL_MODE_ALTERNATE(WS2812_PWM_PAL_MODE) | PAL_STM32_OSPEED_HIGHEST | PAL_STM32_PUPDR_FLOATING); -#endif + palSetLineMode(RGB_DI_PIN, WS2812_OUTPUT_MODE); // PWM Configuration //#pragma GCC diagnostic ignored "-Woverride-init" // Turn off override-init warning for this struct. We use the overriding ability to set a "default" channel config diff --git a/drivers/chibios/ws2812_spi.c b/drivers/chibios/ws2812_spi.c index 36e08e39ed..3bbada7fef 100644 --- a/drivers/chibios/ws2812_spi.c +++ b/drivers/chibios/ws2812_spi.c @@ -16,6 +16,22 @@ # define WS2812_SPI_MOSI_PAL_MODE 5 #endif +// Push Pull or Open Drain Configuration +// Default Push Pull +#ifndef WS2812_EXTERNAL_PULLUP +# if defined(USE_GPIOV1) +# define WS2812_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL +# else +# define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL +# endif +#else +# if defined(USE_GPIOV1) +# define WS2812_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN +# else +# define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN +# endif +#endif + #define BYTES_FOR_LED_BYTE 4 #define NB_COLORS 3 #define BYTES_FOR_LED (BYTES_FOR_LED_BYTE * NB_COLORS) @@ -52,11 +68,7 @@ static void set_led_color_rgb(LED_TYPE color, int pos) { } void ws2812_init(void) { -#if defined(USE_GPIOV1) - palSetLineMode(RGB_DI_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL); -#else - palSetLineMode(RGB_DI_PIN, PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL); -#endif + palSetLineMode(RGB_DI_PIN, WS2812_OUTPUT_MODE); // TODO: more dynamic baudrate static const SPIConfig spicfg = { |