diff options
Diffstat (limited to 'src/uart-test/stm32f4xx_hal_msp.c')
| -rw-r--r-- | src/uart-test/stm32f4xx_hal_msp.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/uart-test/stm32f4xx_hal_msp.c b/src/uart-test/stm32f4xx_hal_msp.c index 7cee9ce..4416195 100644 --- a/src/uart-test/stm32f4xx_hal_msp.c +++ b/src/uart-test/stm32f4xx_hal_msp.c @@ -5,6 +5,8 @@ * * PA9: USART1_TX * PA10: USART1_RX + * PA2: USART2_TX + * PA3: USART2_RX */ #include "stm32f4xx_hal.h" @@ -19,14 +21,19 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart) __USART1_CLK_ENABLE(); GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; - GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FAST; GPIO_InitStruct.Alternate = GPIO_AF7_USART1; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); - - /* NVIC for interrupt mode */ - HAL_NVIC_SetPriority(USART1_IRQn, 0, 1); - HAL_NVIC_EnableIRQ(USART1_IRQn); + } else if (huart->Instance == USART2) { + /* Peripheral clock enable */ + __USART2_CLK_ENABLE(); + GPIO_InitStruct.Pin = GPIO_PIN_2 | GPIO_PIN_3; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FAST; + GPIO_InitStruct.Alternate = GPIO_AF7_USART2; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); } } @@ -37,6 +44,9 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart) if (huart->Instance == USART1) { __USART1_CLK_DISABLE(); HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9 | GPIO_PIN_10); + } else if (huart->Instance == USART2) { + __USART2_CLK_DISABLE(); + HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2 | GPIO_PIN_3); } } |