rt-thread.git/components/drivers/usb/usbdevice/class/audio_speaker.c, branch v4.0.3Unnamed repository; edit this file 'description' to name the repository.http://cgit.235523.xyz/rt-thread.git/atom/components/drivers/usb/usbdevice/class/audio_speaker.c?h=v4.0.32020-11-21T07:30:12ZUpdate audio_speaker.c2020-11-21T07:30:12ZDavid Linlinpeng1577@gmail.com2020-11-21T07:30:12Zurn:sha1:f273e52614fe1789cdbc2efcfca138e585054ff9[usbd] Fixed Windows first recording failure.|修复windows下第一次录音失败的问题。2019-09-19T15:12:24Zguozhanxinguozhanxin@rt-thread.com2019-09-19T13:52:20Zurn:sha1:711ce4a0ea9c66a815a1071b5fed09dbd8e286c6
windows下第一次录放音失败的原因是：第一录放音时 windows 会先连续发送开始、结束检测设备，然后才正式开始。线程来不及处理两次开始事件不会累积，最后导致直接结束，
[usbd] Add usb audio class.2019-09-19T13:01:25Zguozhanxinguozhanxin@rt-thread.com2019-09-19T13:00:05Zurn:sha1:98b19569375d384896706ffa55842b4f2f0e5922