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tinyusb
USB
如何运行TinyUSB的CDC demo程序 please open port and make sure DTR=1
发布于 2024-11-12 15:36:14 浏览：115
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硬件: STM32H743XIH6 系统: 4.1.1 配置:   现象: HID程序能正常工作, 也成功枚举了CDC串口 我打开串口助手, 波特率115200, 8位, 无校验, 停止1 运行 `cdc_example` 结果:  显示没有连接  使用了复合设备, 我也试过关闭HID也不能运行 TinyUSB调试信息: ``` msh >USBD Bus Reset : Full Speed USBD Setup Received 80 06 00 01 00 00 40 00 Get Descriptor Device Queue EP 80 with 18 bytes ... USBD Xfer Complete on EP 80 with 18 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Bus Reset : Full Speed USBD Setup Received 00 05 28 00 00 00 00 00 Set Address USBD Xfer Complete on EP 80 with 0 bytes USBD Setup Received 80 06 00 01 00 00 12 00 Get Descriptor Device Queue EP 80 with 18 bytes ... USBD Xfer Complete on EP 80 with 18 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 00 02 00 00 FF 00 Get Descriptor Configuration[0] Queue EP 80 with 64 bytes ... USBD Xfer Complete on EP 80 with 64 bytes Queue EP 80 with 36 bytes ... USBD Xfer Complete on EP 80 with 36 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 03 03 09 04 FF 00 Get Descriptor String[3] Queue EP 80 with 50 bytes ... USBD Xfer Complete on EP 80 with 50 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 00 03 00 00 FF 00 Get Descriptor String[0] Queue EP 80 with 4 bytes ... USBD Xfer Complete on EP 80 with 4 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 02 03 09 04 FF 00 Get Descriptor String[2] Queue EP 80 with 30 bytes ... USBD Xfer Complete on EP 80 with 30 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 00 06 00 00 0A 00 Get Descriptor Device Qualifier Stall EP0 USBD Setup Received 80 06 00 01 00 00 12 00 Get Descriptor Device Queue EP 80 with 18 bytes ... USBD Xfer Complete on EP 80 with 18 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 00 02 00 00 09 00 Get Descriptor Configuration[0] Queue EP 80 with 9 bytes ... USBD Xfer Complete on EP 80 with 9 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 00 02 00 00 64 00 Get Descriptor Configuration[0] Queue EP 80 with 64 bytes ... USBD Xfer Complete on EP 80 with 64 bytes Queue EP 80 with 36 bytes ... USBD Xfer Complete on EP 80 with 36 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 00 09 01 00 00 00 00 00 Set Configuration Open EP 81 with Size = 8 Allocated 8 bytes at offset 4024 Open EP 02 with Size = 64 Open EP 82 with Size = 64 Allocated 64 bytes at offset 3960 Queue EP 02 with 64 bytes ... CDC opened Bind EP 81 to driver id 0 Bind EP 02 to driver id 0 Bind EP 82 to driver id 0 Open EP 84 with Size = 16 Allocated 16 bytes at offset 3944 HID opened Bind EP 84 to driver id 1 Queue EP 80 with 0 bytes ... USBD Xfer Complete on EP 80 with 0 bytes USBD Setup Received 80 06 04 03 09 04 04 00 Get Descriptor String[4] Queue EP 80 with 4 bytes ... USBD Xfer Complete on EP 80 with 4 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 00 03 00 00 FF 00 Get Descriptor String[0] Queue EP 80 with 4 bytes ... USBD Xfer Complete on EP 80 with 4 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 04 03 09 04 18 00 Get Descriptor String[4] Queue EP 80 with 24 bytes ... USBD Xfer Complete on EP 80 with 24 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 01 03 09 04 FF 00 Get Descriptor String[1] Queue EP 80 with 16 bytes ... USBD Xfer Complete on EP 80 with 16 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 06 03 09 04 04 00 Get Descriptor String[6] Queue EP 80 with 4 bytes ... USBD Xfer Complete on EP 80 with 4 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 02 03 09 04 FF 00 Get Descriptor String[2] Queue EP 80 with 30 bytes ... USBD Xfer Complete on EP 80 with 30 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 06 03 09 04 18 00 Get Descriptor String[6] Queue EP 80 with 24 bytes ... USBD Xfer Complete on EP 80 with 24 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received A1 21 00 00 00 00 07 00 CDC control request Get Line Coding Queue EP 80 with 7 bytes ... USBD Xfer Complete on EP 80 with 7 bytes CDC control complete Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 21 22 00 00 00 00 00 00 CDC control request Queue EP 80 with 0 bytes ... USBD Xfer Complete on EP 80 with 0 bytes Set Control Line State: DTR = 0, RTS = 0 USBD Setup Received 21 20 00 00 00 00 07 00 CDC control request Set Line Coding Queue EP 00 with 7 bytes ... USBD Xfer Complete on EP 00 with 7 bytes 0000: 00 C2 01 00 00 00 08 |.......| CDC control complete Queue EP 80 with 0 bytes ... USBD Xfer Complete on EP 80 with 0 bytes USBD Setup Received A1 21 00 00 00 00 07 00 CDC control request Get Line Coding Queue EP 80 with 7 bytes ... USBD Xfer Complete on EP 80 with 7 bytes CDC control complete Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 21 0A 00 00 02 00 00 00 HID control request Queue EP 80 with 0 bytes ... USBD Xfer Complete on EP 80 with 0 bytes USBD Setup Received 81 06 00 22 02 00 EB 00 Get Descriptor HID control request Queue EP 80 with 64 bytes ... USBD Xfer Complete on EP 80 with 64 bytes Queue EP 80 with 64 bytes ... USBD Xfer Complete on EP 80 with 64 bytes Queue EP 80 with 43 bytes ... USBD Xfer Complete on EP 80 with 43 bytes HID control complete Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 21 09 01 02 02 00 02 00 HID control request Queue EP 00 with 2 bytes ... USBD Xfer Complete on EP 00 with 2 bytes 0000: 01 01 |..| HID control complete Queue EP 80 with 0 bytes ... USBD Xfer Complete on EP 80 with 0 bytes USBD Setup Received 80 06 06 03 09 04 02 04 Get Descriptor String[6] Queue EP 80 with 24 bytes ... USBD Xfer Complete on EP 80 with 24 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 03 03 09 04 02 04 Get Descriptor String[3] Queue EP 80 with 50 bytes ... USBD Xfer Complete on EP 80 with 50 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 06 03 09 04 02 04 Get Descriptor String[6] Queue EP 80 with 24 bytes ... USBD Xfer Complete on EP 80 with 24 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 03 03 09 04 02 04 Get Descriptor String[3] Queue EP 80 with 50 bytes ... USBD Xfer Complete on EP 80 with 50 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 06 03 09 04 02 04 Get Descriptor String[6] Queue EP 80 with 24 bytes ... USBD Xfer Complete on EP 80 with 24 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes USBD Setup Received 80 06 03 03 09 04 02 04 Get Descriptor String[3] Queue EP 80 with 50 bytes ... USBD Xfer Complete on EP 80 with 50 bytes Queue EP 00 with 0 bytes ... USBD Xfer Complete on EP 00 with 0 bytes ``` 这个变量是 `0` 导致的   我把检查cdc连接的换成检查连接, 它确实连上了, 运行也能正常工作, 难道是 `tud_cdc_connected()` 有bug?
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踩姑娘的小蘑菇
2024-11-13
这家伙很懒，什么也没写！
字面意思：勾选串口调试助手的DTR
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