USB endpoint stall test for libusb-win32

clear-halt-test.c

#include <usb.h>
#include <stdio.h>

int main(int argc, char **argv)
{
	struct usb_bus *bus;
	struct usb_device *dev = NULL;
	usb_dev_handle *handle;
	char dummy_data[5];
	int ret;

	usb_init();
	usb_find_busses();
	usb_find_devices();

	bus = usb_get_busses();

	while (bus) {
		dev = bus->devices;
		while (dev) {
			if (dev->descriptor.idVendor == 0x04d8
				&& dev->descriptor.idProduct == 0xfa2e)
				goto found;
			dev = dev->next;
		}

		bus = bus->next;
	}

found:

	if (!dev) {
		fprintf(stderr, "Device not found.\n");
		return 1;
	}

	handle = usb_open(dev);

	if (usb_set_configuration(handle, 1) < 0)
		fprintf(stderr, "usb_set_configuration: %s\n", usb_strerror());

	if (usb_claim_interface(handle, 0) < 0)
		fprintf(stderr, "usb_claim_interface: %s\n", usb_strerror());

	if (usb_set_altinterface(handle, 0) < 0)
		fprintf(stderr, "usb_set_altinterface: %s\n", usb_strerror());

	if (usb_clear_halt(handle, 1) < 0)
		fprintf(stderr, "usb_clear_halt: %s\n", usb_strerror());

	ret = usb_bulk_write(handle, 1, dummy_data, 5, 100);

	if (ret < 0)
		fprintf(stderr, "usb_bulk_write: %s\n", usb_strerror());
	else
		printf("Written %d bytes\n", ret);

	usb_release_interface(handle, 0);
	usb_close(handle);
	return 0;
}