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[bsp][stm32][bluepill] add USART2 #4003

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Merged
merged 1 commit into from
Nov 18, 2020
Merged

[bsp][stm32][bluepill] add USART2 #4003

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27 changes: 20 additions & 7 deletions bsp/stm32/stm32f103-blue-pill/board/CubeMX_Config/Src/stm32f1xx_hal_msp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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();

Expand All @@ -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);
}
}

/**
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9 changes: 9 additions & 0 deletions bsp/stm32/stm32f103-blue-pill/board/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -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
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