这个是参考的库中对于控制传输错误重试的注释
/*
After a halt condition is encountered or an error is detected by the
host, a control endpoint is allowed to recover by accepting the next Setup
PID; i.e., recovery actions via some other pipe are not required for control
endpoints. For the Default Control Pipe, a device reset will ultimately be
required to clear the halt or error condition if the next Setup PID is not
accepted.
*/
看样子设备端点如果没收到下一个完整控制传输的话会保持禁止，除非复位
看来它还真的傻傻的重新开启这次传输了
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楼主
