Description
并将PDIUSBD12的内部缓冲区清零，以便接收新的数据包，使CPU可以继续执行当前的前台任务直到完成。本文利用PDIUSBD12的端点1进行命令的传输和应答，端点1每次接收计算机发送过来的8 B指令，其指令格式如表2所示
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