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Problem Description
When using the ESP32-S3 chip/module with a USB wireless network card and ESP-IDF version idf5.0.3, the client encountered an issue where the computer could not recognize the USB device after compiling and flashing the esp-iot-bridge/examples/wireless_nic example. What could be the reason?
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Solution Approach
After understanding the client’s situation, the engineer cloned the esp-iot-bridge library example for testing and successfully reproduced the issue. Through related testing and case analysis, it was found that certain configurations need to be enabled.
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Solution
Configure through menuconfig:
(1) Enable CONFIG_TINYUSB_NET_MODE_ECM_RNDIS=y
Configuration path: (Top) -> Component config -> TinyUSB Stack -> Network driver (ECM/NCM/RNDIS) -> Network mode -> ECM/RNDIS
(2) On Windows, select CONFIG_TINYUSB_NET_RNDIS=y
Configuration path: (Top) -> Component config -> TinyUSB Stack -> USB TinyUSB Stack -> USB Network Class (RNDIS, ECM) -> Enable TinyUSB NET driver -> Choose a network communication standard -> RNDIS
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