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xmaihh avatar xmaihh commented on June 23, 2024 1

为避免消耗电池电量,处于空闲状态的 Android 设备会快速进入休眠模式。

需要长时间保持串口连接状态可以考虑:1.使屏幕保持开启状态 2.使 CPU 保持运行状态 。

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xmaihh avatar xmaihh commented on June 23, 2024

如您提供的这些信息,无法回答,这需要您自己排查是软件的问题还是硬件问题

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xSmile-art avatar xSmile-art commented on June 23, 2024

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xmaihh avatar xmaihh commented on June 23, 2024

造成串口死机的原因:
1、代码问题
2、硬件问题

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Amyitis avatar Amyitis commented on June 23, 2024

确实存在这种长时间保持串口连接状态会出故障的BUG。
1.在线程中开启串口open
2.在同线程中保持一个死循环,每1500毫秒间隔 轮询一个 指令池队列,有指令就发送串口指令,没有就无动作继续轮询;
3.刚启动这个线程的时候,能稳定按队列的指令逐条执行,但是一但串口open时间过长,就只能执行一次指令,并且得不到正确的串口反馈信息(回调)。

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