6/26/2023 0 Comments Cdc acm driver for busybox![]() cdc_acm 2-1:1.0: ttyACM0: USB ACM device usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 ![]() usb 2-1: New USB device found, idVendor=16f9, idProduct=0003 usb 2-1: new full-speed USB device number 4 using ohci-pci With cdc_acm driver, dmesg and lsusb output is: $ dmesg It works fine on Windows 8+ using the usbser.sys driver. It seems to prevents the device from working properly (a GBA ST2 Bill Validator using ccTalk protocol). ![]() My issue is that only the Communication interface is being assigned to /dev/ttyACMX by cdc_acm driver, but the Data interface is ignored. The CDC Communications and Data interfaces are shown respectively on 2-1:1.0 (Comm) and 2-1:1.1 (Data) interface descriptors, and the cdc_acm driver is being loaded properly. I have a USB CDC-ACM device emulating Serial over USB communication.
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