bughelp wanted
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Description
Describe the Bug
When using the PWM driver for the WS2812 LED's does not function (they do not light).
The normal bitbang driver functions as expected
Specific chip : STM32F042F6P7 / TSSOP20
System Information
- Keyboard: Development breakout board
- Operating system: Linux
- ARM GCC version: 11.2.0
- QMK Firmware version: master
- Any keyboard related software installed? : NA
Additional Context
I have tested CH2 and 4 on TIM3, below is the configuration when using CH2 (A7)
config.h
#define RGBLIGHT_ANIMATIONS
#define RGB_DI_PIN A7
#define WS2812_PWM_DRIVER PWMD3
#define WS2812_PWM_CHANNEL 2
#define WS2812_PWM_PAL_MODE 1
#define WS2812_DMA_STREAM STM32_DMA1_STREAM3
#define WS2812_DMA_CHANNEL 3
mcuconf.h
#pragma once
#include_next <mcuconf.h>
#undef STM32_PWM_USE_TIM3
#define STM32_PWM_USE_TIM3 TRUE
#define HAL_USE_PWM TRUE is enabled on halconfig and WS2812_DRIVER is set to pwm in rules.mk