Closed chrontax closed 7 months ago
You can try to search by LIBUSB_ERROR_BUSY in internet. Probably some driver or other application already open this device
The issue is probably that a driver cdc_acm
has opened the device, but I have no idea how I could solve this.
Nevermind, seems I wasn't looking for a usb library, but a serial library
i constantly get
with this code
please help T_T