diff options
| -rw-r--r-- | src/stm/stm32l.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/stm/stm32l.h b/src/stm/stm32l.h index 50e5cc34..531a4fb9 100644 --- a/src/stm/stm32l.h +++ b/src/stm/stm32l.h @@ -133,6 +133,10 @@ stm_pupdr_get(struct stm_gpio *gpio, int pin) { static inline void stm_afr_set(struct stm_gpio *gpio, int pin, uint32_t value) { + /* + * Set alternate pin mode too + */ + stm_moder_set(gpio, pin, STM_MODER_ALTERNATE); if (pin < 8) gpio->afrl = ((gpio->afrl & ~(STM_AFR_MASK << STM_AFR_SHIFT(pin))) | |