diff options
| author | Damien George | 2018-05-01 17:31:23 +1000 |
|---|---|---|
| committer | Damien George | 2018-05-01 17:31:23 +1000 |
| commit | a28bd4ac942baec0ddc8da644715b0d6fe386f9f (patch) | |
| tree | 3576c8ebad41c51df67cba0626de93f7f0adbc98 | |
| parent | 777e042ab53821b1240466af1e92eceb14c0fdf1 (diff) | |
stm32/mphalport: Add mp_hal_pin_config_speed() to select GPIO speed.
It should be used after mp_hal_pin_config() or mp_hal_pin_config_alt().
| -rw-r--r-- | ports/stm32/mphalport.c | 6 | ||||
| -rw-r--r-- | ports/stm32/mphalport.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/ports/stm32/mphalport.c b/ports/stm32/mphalport.c index 0108d9026..c822c8e77 100644 --- a/ports/stm32/mphalport.c +++ b/ports/stm32/mphalport.c @@ -171,3 +171,9 @@ bool mp_hal_pin_config_alt(mp_hal_pin_obj_t pin, uint32_t mode, uint32_t pull, u mp_hal_pin_config(pin, mode, pull, af->idx); return true; } + +void mp_hal_pin_config_speed(mp_hal_pin_obj_t pin_obj, uint32_t speed) { + GPIO_TypeDef *gpio = pin_obj->gpio; + uint32_t pin = pin_obj->pin; + gpio->OSPEEDR = (gpio->OSPEEDR & ~(3 << (2 * pin))) | (speed << (2 * pin)); +} diff --git a/ports/stm32/mphalport.h b/ports/stm32/mphalport.h index 2843a79cd..0e294a21c 100644 --- a/ports/stm32/mphalport.h +++ b/ports/stm32/mphalport.h @@ -59,3 +59,4 @@ static inline mp_uint_t mp_hal_ticks_cpu(void) { void mp_hal_gpio_clock_enable(GPIO_TypeDef *gpio); void mp_hal_pin_config(mp_hal_pin_obj_t pin, uint32_t mode, uint32_t pull, uint32_t alt); bool mp_hal_pin_config_alt(mp_hal_pin_obj_t pin, uint32_t mode, uint32_t pull, uint8_t fn, uint8_t unit); +void mp_hal_pin_config_speed(mp_hal_pin_obj_t pin_obj, uint32_t speed); |