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关于UARTGetHexNum()函数的问题



该函数不是C6748用来接收从串口传回来的数据吗?怎么它的函数实现里用到了UARTPutc,它调用了UARTConsolePutc,然后UARTConsolePutc调用了UARTCharPut,最后UARTCharPut实现把接收到的字符传给发送保持寄存器,那不是又把接收到的数据传回去了吗?