20230125

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20210521

1. convert tab -> space.
2. add __monitor keyword 485 enable pin.

20200826

1. 485 enable pin now can user implement.

20191010

1. AvrUartCheckTx(), AvrUartCheckRx() change to macro function
2. add AvrUartControlTxEnd()

20170726

1. fix bug

20170322

1. delete MoveBufPointer() instead same feature macro function add.

20170224

1. delete AvrUartViewRxBuf()

20210521

1. fix space.

20170102

1. add AvrUartFixTxEnableFloating()

20161207

1. change some variable name.
2. delete AvrUartClearRx()
3. add AvrUartClearQueueBuf()