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Merge pull request #2022 from whj4674672/master 

[BSP]stm32f107 fix usart3
This commit is contained in:
Bernard Xiong 2018-12-03 17:41:04 +08:00 committed by GitHub
parent efaac449d4 00f9958c38
commit 9757f6b405
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 9 deletions
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19
bsp/stm32f107/drivers/usart.c
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@ -59,19 +59,19 @@ static rt_err_t stm32_configure(struct rt_serial_device *serial, struct serial_c
USART_InitStructure.USART_BaudRate = cfg->baud_rate;
if (cfg->data_bits == DATA_BITS_8){
if (cfg->data_bits == DATA_BITS_8) {
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
} else if (cfg->data_bits == DATA_BITS_9) {
USART_InitStructure.USART_WordLength = USART_WordLength_9b;
}
if (cfg->stop_bits == STOP_BITS_1){
if (cfg->stop_bits == STOP_BITS_1) {
USART_InitStructure.USART_StopBits = USART_StopBits_1;
} else if (cfg->stop_bits == STOP_BITS_2){
} else if (cfg->stop_bits == STOP_BITS_2) {
USART_InitStructure.USART_StopBits = USART_StopBits_2;
}
if (cfg->parity == PARITY_NONE){
if (cfg->parity == PARITY_NONE) {
USART_InitStructure.USART_Parity = USART_Parity_No;
} else if (cfg->parity == PARITY_ODD) {
USART_InitStructure.USART_Parity = USART_Parity_Odd;
@ -271,9 +271,9 @@ void USART3_IRQHandler(void)
static void RCC_Configuration(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
#if defined(RT_USING_UART1)
#if defined(RT_USING_UART1)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
#endif /* RT_USING_UART1 */
@ -293,8 +293,9 @@ static void RCC_Configuration(void)
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
#endif /* RT_USING_UART2 */
#if defined(RT_USING_UART3)
#if defined(RT_USING_UART3)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3,ENABLE);
GPIO_PinRemapConfig(GPIO_PartialRemap_USART3, ENABLE);
#endif /* RT_USING_UART3 */
}
@ -311,7 +312,7 @@ static void GPIO_Configuration(void)
GPIO_InitStructure.GPIO_Pin = UART1_GPIO_RX;
GPIO_Init(UART1_GPIO, &GPIO_InitStructure);
/* Configure USART1 Tx (PA.09) as alternate function push-pull */
/* Configure USART1 Tx (PA.09) as alternate function push-pull */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Pin = UART1_GPIO_TX;
GPIO_Init(UART1_GPIO, &GPIO_InitStructure);
@ -333,7 +334,7 @@ static void GPIO_Configuration(void)
GPIO_InitStructure.GPIO_Pin = UART3_GPIO_RX;
GPIO_Init(UART3_GPIO, &GPIO_InitStructure);
/* Configure USART3 Tx (PC.10) as alternate function push-pull */
/* Configure USART3 Tx (PC.10) as alternate function push-pull */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Pin = UART3_GPIO_TX;
GPIO_Init(UART3_GPIO, &GPIO_InitStructure);