Attachment 209310 Details for Bug 242131 – usb.cpp

usb.cpp

usb.cpp (text/plain), 1.10 KB, created by Yuri Victorovich on 2019-11-21 06:41:07 UTC

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Creator: Yuri Victorovich

Created: 2019-11-21 06:41:07 UTC

Size: 1.10 KB

patch

obsolete

>#include <libusb.h>
>
>#include <iostream>
>
>int main() {
>	libusb_context *ctx = nullptr;
>	libusb_init(&ctx);
>
>	libusb_device **devLst;
>	ssize_t sz = libusb_get_device_list(ctx, &devLst);
>
>	for (int i = 0; i < sz; i++) {
>		struct libusb_device_descriptor desc;
>		libusb_get_device_descriptor(devLst[i], &desc);
>		printf("USB device: idVendor=%04x idProduct=%04x\n", desc.idVendor, desc.idProduct);
>		if (desc.idVendor == 0x04b4 && desc.idProduct==0x6022) {
>			libusb_device_handle *handle;
>			int errorCode = libusb_open(devLst[i], &handle);
>			if (errorCode != LIBUSB_SUCCESS) {
>				printf("USB device: libusb_open failed: %s\n", libusb_error_name(errorCode));
>				return 1;
>			}
>
>			std::cout << "USB device opened" << std::endl;
>    			int status = libusb_set_auto_detach_kernel_driver(handle, 1);
>    			if (status != 0) {
>    				std::cout << "libusb_set_auto_detach_kernel_driver failed" << std::endl;
>			}
>    			status = libusb_claim_interface(handle, 0);
>    			if (status != LIBUSB_SUCCESS) {
>    				std::cout << "libusb_claim_interface() failed: " << libusb_error_name(status) << std::endl;
>			}
>			return 0;
>		}
>	}
>}

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Attachments on bug 242131: 209310