使用4G iot组件时候异常,USBH: Dev 0 EP 0 Error

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seekwok
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Joined: Wed Nov 27, 2024 6:29 am

使用4G iot组件时候异常,USBH: Dev 0 EP 0 Error

Postby seekwok » Wed Jun 11, 2025 8:49 am

I (1889) app_4g: ====================================
I (1889) app_4g: ESP 4G Cat.1 Wi-Fi Router
I (1889) app_4g: ====================================
I (1889) modem_board: iot_usbh_modem, version: 1.2.0
I (1899) modem_board: Force reset modem board....
I (1899) gpio: GPIO[13]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (1909) modem_board: Resetting modem using io=13, level=0
I (1919) app_4g: 4G xTaskCreate OK!
I (2119) modem_board: Waiting for modem initialize ready
I (7119) USBH_CDC: iot usbh cdc version: 2.0.0
I (7149) esp-modem: --------- Modem PreDefined Info ------------------
I (7149) esp-modem: Model: EC20_CE
I (7149) esp-modem: Modem itf 2
I (7149) esp-modem: ----------------------------------------------------
I (7149) gpio: GPIO[12]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (7159) gpio: GPIO[13]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
E (7479) USBH: Dev 0 EP 0 Error
E (7479) ENUM: Bad transfer status 1: CHECK_SHORT_DEV_DESC
E (7479) ENUM: [0:0] CHECK_SHORT_DEV_DESC FAILED

使用得是ESP32S3 ,组件为iot_usbh_modem 1.2.0

这个是什么问题?已经menuconfig选择了ec20 ce
另外,把版本减低为iot_usbh_modem 0.2.1 可以正常时候,证明4G模块与USB没有问题。

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