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fix #347

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This commit is contained in:
armink 2015-01-31 11:05:00 +08:00
parent aaacd40425
commit 1213dec3c9
1 changed files with 6 additions and 2 deletions
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8
bsp/stm32f10x/drivers/usart.c
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@ -69,8 +69,6 @@ static rt_err_t stm32_configure(struct rt_serial_device *serial, struct serial_c
/* Enable USART */ /* Enable USART */
USART_Cmd(uart->uart_device, ENABLE); USART_Cmd(uart->uart_device, ENABLE);
/* enable interrupt */
USART_ITConfig(uart->uart_device, USART_IT_RXNE, ENABLE);
return RT_EOK; return RT_EOK;
} }
@ -84,13 +82,19 @@ static rt_err_t stm32_control(struct rt_serial_device *serial, int cmd, void *ar
switch (cmd) switch (cmd)
{ {
/* disable interrupt */
case RT_DEVICE_CTRL_CLR_INT: case RT_DEVICE_CTRL_CLR_INT:
/* disable rx irq */ /* disable rx irq */
UART_DISABLE_IRQ(uart->irq); UART_DISABLE_IRQ(uart->irq);
/* disable interrupt */
USART_ITConfig(uart->uart_device, USART_IT_RXNE, DISABLE);
break; break;
/* enable interrupt */
case RT_DEVICE_CTRL_SET_INT: case RT_DEVICE_CTRL_SET_INT:
/* enable rx irq */ /* enable rx irq */
UART_ENABLE_IRQ(uart->irq); UART_ENABLE_IRQ(uart->irq);
/* enable interrupt */
USART_ITConfig(uart->uart_device, USART_IT_RXNE, ENABLE);
break; break;
} }