Search found 3 matches

by Away_480522
Mon Dec 18, 2023 9:28 am
Forum: General Discussion
Topic: ESP32-S3 cdc device hot plug question
Replies: 0
Views: 14088

ESP32-S3 cdc device hot plug question

Does the ESP32-S3 cdc device support hot plug? Why did I test and find that after multiple hot plug, the USB can no longer send data? Even if the monitoring VBUS is set up on the software and hardware, the result is still the same.What is the reason?
by Away_480522
Thu Dec 14, 2023 1:12 am
Forum: ESP-IDF
Topic: About self-powered device VBUS monitor question
Replies: 1
Views: 66385

About self-powered device VBUS monitor question

I would like to ask, what is the role of ESP32-S3 TinyuSB's VBUS monitoring, and what are the consequences of not monitoring VBUS for self powered devices? Will there be any issues with USB sending data if the USB cable is disconnected and reconnected without monitoring VBUS? I made a self powered d...
by Away_480522
Tue Dec 12, 2023 6:38 am
Forum: ESP-IDF 中文讨论版
Topic: ESP32-S3 USB CDC虚拟串口发送数据问题
Replies: 0
Views: 19991

ESP32-S3 USB CDC虚拟串口发送数据问题

最近在使用ESP32-S3的USB CDC虚拟串口时,发现USB在热插拔之后发送数据出现了问题,USB热插拔后,PC端是能与虚拟串口重新连接成功的,PC端的串口调试助手往下发数据,ESP32-S3也能收到,但是ESP32-S3往PC端发送数据,则显示不出来,请问是什么原因,是热插拔断了一下USB之后,tinyusb内部的运行机制出现了问题,导致USB无法发送数据成功?