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msp430f149使用串口功能时如何清除RXBUF1中的数据



在判断完RXBUF1接收到一个数据之后,我想立刻清除掉RXBUF1中的数据,请问该用用什么语句执行?(注:不是要将RXBUF1中的数据发送出去,是直接清除掉)麻烦了解的告知一下