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| author | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2021-09-13 11:45:09 +0300 |
|---|---|---|
| committer | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2021-09-13 11:45:09 +0300 |
| commit | 71f6c636d73e218baa2c5f8dc5057f54029132ea (patch) | |
| tree | f6aa5fe4f15b63393625a8d316282c5fe4b99a76 /libraries/mbed/targets/cmsis/TARGET_STM | |
| parent | b8e9996f96f1de95ff2c09fb35a839a7783d3fca (diff) | |
Initialize I/O pins of SPI3, which is used to configure iCE40-based MKM.
Note, that SPI3 is alternate function 6, unlike SPI1 & SPI2 which are both AF5.
Diffstat (limited to 'libraries/mbed/targets/cmsis/TARGET_STM')
| -rw-r--r-- | libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_msp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_msp.c b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_msp.c index f64e6ce..6983c70 100644 --- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_msp.c +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_msp.c @@ -295,6 +295,24 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi) /* Peripheral clock enable */ __SPI2_CLK_ENABLE(); + } else if (hspi->Instance == SPI3) { + /* SPI3 is the iCE40 MKM slave config interface + * + * SPI3 GPIO Configuration + * PC10 ------> SPI3_SCK + * PC11 ------> SPI3_MISO + * PC12 ------> SPI3_MOSI + */ + __GPIOC_CLK_ENABLE(); + GPIO_InitStruct.Pin = GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF6_SPI3; + HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); + + /* Peripheral clock enable */ + __SPI3_CLK_ENABLE(); } } |