From c6b7a0d386c347f20117943831a0215659d37c47 Mon Sep 17 00:00:00 2001 From: Nick Brassel Date: Thu, 16 Jul 2020 16:39:49 +1000 Subject: Add support for DMAMUX-capable MCU configuration with WS2812 PWM driver. (#9471) --- docs/ws2812_driver.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'docs') diff --git a/docs/ws2812_driver.md b/docs/ws2812_driver.md index 941e1bde0..c1b96329e 100644 --- a/docs/ws2812_driver.md +++ b/docs/ws2812_driver.md @@ -92,6 +92,7 @@ Configure the hardware via your config.h: #define WS2812_PWM_PAL_MODE 2 // Pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 2 #define WS2812_DMA_STREAM STM32_DMA1_STREAM2 // DMA Stream for TIMx_UP, see the respective reference manual for the appropriate values for your MCU. #define WS2812_DMA_CHANNEL 2 // DMA Channel for TIMx_UP, see the respective reference manual for the appropriate values for your MCU. +#define WS2812_DMAMUX_ID STM32_DMAMUX1_TIM2_UP // DMAMUX configuration for TIMx_UP -- only required if your MCU has a DMAMUX peripheral, see the respective reference manual for the appropriate values for your MCU. ``` You must also turn on the PWM feature in your halconf.h and mcuconf.h @@ -117,5 +118,5 @@ Note: This only applies to STM32 boards. To configure the `RGB_DI_PIN` to open drain configuration add this to your config.h file: ```c - #define WS2812_EXTERNAL_PULLUP +#define WS2812_EXTERNAL_PULLUP ``` -- cgit v1.2.3