diff options
Diffstat (limited to 'stmhal/spi.c')
| -rw-r--r-- | stmhal/spi.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/stmhal/spi.c b/stmhal/spi.c index e72810d287..12a261afbb 100644 --- a/stmhal/spi.c +++ b/stmhal/spi.c @@ -243,12 +243,6 @@ STATIC void spi_set_params(SPI_HandleTypeDef *spi, uint32_t prescale, int32_t ba // TODO allow to take a list of pins to use void spi_init(SPI_HandleTypeDef *spi, bool enable_nss_pin) { - // init the GPIO lines - GPIO_InitTypeDef GPIO_InitStructure; - GPIO_InitStructure.Mode = GPIO_MODE_AF_PP; - GPIO_InitStructure.Speed = GPIO_SPEED_FAST; - GPIO_InitStructure.Pull = spi->Init.CLKPolarity == SPI_POLARITY_LOW ? GPIO_PULLDOWN : GPIO_PULLUP; - const pyb_spi_obj_t *self; const pin_obj_t *pins[4]; pins[0] = NULL; @@ -331,8 +325,11 @@ void spi_init(SPI_HandleTypeDef *spi, bool enable_nss_pin) { return; } + // init the GPIO lines + uint32_t mode = MP_HAL_PIN_MODE_ALT; + uint32_t pull = spi->Init.CLKPolarity == SPI_POLARITY_LOW ? MP_HAL_PIN_PULL_DOWN : MP_HAL_PIN_PULL_UP; for (uint i = (enable_nss_pin && pins[0] ? 0 : 1); i < 4; i++) { - mp_hal_pin_set_af(pins[i], &GPIO_InitStructure, AF_FN_SPI, (self - &pyb_spi_obj[0]) + 1); + mp_hal_pin_config_alt(pins[i], mode, pull, AF_FN_SPI, (self - &pyb_spi_obj[0]) + 1); } // init the SPI device |