libs/rt-thread-official
libs
/
rt-thread-official
mirror of https://github.com/RT-Thread/rt-thread.git
4
0
Fork 0
Code Issues Releases Wiki Activity

[BSP] Fix the interrupt issue in USART driver of STM32F4.

This commit is contained in:
bernard 2015-01-25 16:41:05 +08:00
parent 950c3a4298
commit 71930b0995
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
bsp/stm32f40x/drivers/usart.c
View File

@ -89,8 +89,6 @@ static rt_err_t stm32_configure(struct rt_serial_device *serial, struct serial_c
/* Enable USART */
USART_Cmd(uart->uart_device, ENABLE);
/* enable interrupt */
USART_ITConfig(uart->uart_device, USART_IT_RXNE, ENABLE);
return RT_EOK;
}
@ -107,10 +105,14 @@ static rt_err_t stm32_control(struct rt_serial_device *serial, int cmd, void *ar
case RT_DEVICE_CTRL_CLR_INT:
/* disable rx irq */
UART_DISABLE_IRQ(uart->irq);
/* disable interrupt */
USART_ITConfig(uart->uart_device, USART_IT_RXNE, DISABLE);
break;
case RT_DEVICE_CTRL_SET_INT:
/* enable rx irq */
UART_ENABLE_IRQ(uart->irq);
/* enable interrupt */
USART_ITConfig(uart->uart_device, USART_IT_RXNE, ENABLE);
break;
}