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Merge pull request #4003 from mysterywolf/pr4 

[bsp][stm32][bluepill] add USART2
This commit is contained in:
Bernard Xiong 2020-11-18 08:08:24 +08:00 committed by GitHub
parent 37ecf07992 2b322eecc4
commit c2252f63fe
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 29 additions and 7 deletions
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27
bsp/stm32/stm32f103-blue-pill/board/CubeMX_Config/Src/stm32f1xx_hal_msp.c
View File

@ -222,9 +222,6 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(huart->Instance==USART1)
{
/* USER CODE BEGIN USART1_MspInit 0 */
/* USER CODE END USART1_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_USART1_CLK_ENABLE();
@ -242,12 +239,28 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USER CODE BEGIN USART1_MspInit 1 */
/* USER CODE END USART1_MspInit 1 */
}
if(huart->Instance==USART2)
{
/* Peripheral clock enable */
__HAL_RCC_USART2_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/**USART1 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
GPIO_InitStruct.Pin = GPIO_PIN_2;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
}
}
/**

9
bsp/stm32/stm32f103-blue-pill/board/Kconfig
View File

@ -37,6 +37,15 @@ menu "On-chip Peripheral Drivers"
bool "Enable UART1 RX DMA"
depends on BSP_USING_UART1 && RT_SERIAL_USING_DMA
default n
config BSP_USING_UART2
bool "Enable UART2"
default n
config BSP_UART2_RX_USING_DMA
bool "Enable UART2 RX DMA"
depends on BSP_USING_UART2 && RT_SERIAL_USING_DMA
default n
endif
menuconfig BSP_USING_ONCHIP_RTC