gd32h7xx移植CherryUSB问题

发布于 2025-01-20 22:07:57 浏览：94 订阅该版

[tocm]

使用的板子: gd32h759i_eval 引脚- USB IP:DWC2

USB 中断，时钟，引脚，寄存器地址是否正确：正确

是否能进 USB 中断：能

芯片是否带有 cache功能，是否做了 no cache 处理：做了

硬件是否正常，是否使用杜邦线连接，如果正常，请说明正常原因：硬件正常，使用官方demo跑过

打开 `CONFGI_USBDEV_SETUP_LOG_PRINT`，并提供 log: 未找到这个宏

## 问题：
1、使用USB主机CDC-ACM功能：枚举成功了，但报错了，这个错误是不支持接入的设备？
错误日志：

```
[D/usbh_hub] Port change:0x02
[D/usbh_hub] Port 1 change
[D/usbh_hub] port 1, status:0x101, change:0x01
[D/usbh_hub] Port 1, status:0x101, change:0x00
[D/usbh_hub] Port 1, status:0x101, change:0x00
[D/usbh_hub] Port 1, status:0x101, change:0x00
[D/usbh_hub] Port 1, status:0x101, change:0x00
[D/usbh_hub] Port 1, status:0x101, change:0x00
int task ok
[I/usbh_hub] New full-speed device on Bus 0, Hub 1, Port 1 connected
[D/usbh_core] Device rev=0110 cls=02 sub=00 proto=00 size=8
[I/usbh_core] New device found,idVendor:1a86,idProduct:55d3,bcdDevice:0445
[I/usbh_core] The device has 1 bNumConfigurations
[D/usbh_core] The device selects config 0
[I/usbh_core] The device has 2 interfaces
[I/usbh_core] Enumeration success, start loading class driver
[I/usbh_core] Loading cdc_acm class driver
[I/usbh_cdc_acm] Ep=02 Attr=02 Mps=32 Interval=00 Mult=00
[I/usbh_cdc_acm] Ep=82 Attr=02 Mps=64 Interval=00 Mult=00
[I/usbh_cdc_acm] Register CDC ACM Class:/dev/ttyACM0
[I/usbh_core] Loading cdc_data class driver
Port 1 enumerate success
bulk out error,ret:-10
```

2、使用USB主机高速MSC功能：高速枚举设备失败，全速成功
错误日志：
```
[I/usbh_core] New device found,idVendor:3151,idProduct:1020,bcdDevice:0002
[I/usbh_core] The device has 1 bNumConfigurations
[D/usbh_core] The device selects config 0
[I/usbh_core] The device has 2 interfaces
[E/usbh_core] Failed to set configuration,errorcode:-10
[E/usbh_hub] Port 1 enumerate fail
```