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[bsp/stm32f7-disco] 修复串口驱动编译报错

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__HAL_UART_CLEAR_FLAG在stm32f7xx_hal_uart.h中不存在，编译会报错
This commit is contained in:
Hao Zhu 2018-12-08 23:07:58 +08:00
parent 506ccc573c
commit 762c1be8bb
1 changed files with 2 additions and 1 deletions
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3
bsp/stm32f7-disco/drivers/drv_usart.c
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@ -106,8 +106,9 @@ static int drv_putc(struct rt_serial_device *serial, char c)
struct drv_uart *uart;
RT_ASSERT(serial != RT_NULL);
uart = (struct drv_uart *)serial->parent.user_data;
__HAL_UART_CLEAR_FLAG(&(uart->UartHandle), UART_FLAG_TC);
__HAL_UART_CLEAR_IT(&(uart->UartHandle), UART_CLEAR_TCF);
uart->UartHandle.Instance->TDR = c;
while (__HAL_UART_GET_FLAG(&(uart->UartHandle), UART_FLAG_TC) == RESET);
return 1;
}