+
+out:
+ return res;
+}
+
+int main(int argc, char *argv[]) {
+ char default_filename[] = "firmware.bin";
+ char *filename = default_filename;
+ int ret = 0;
+
+ if (argc == 2) {
+ filename = argv[1];
+ }
+
+ FILE *fw = fopen(filename, "rb");
+ if (fw == NULL) {
+ fprintf(stderr, "Failed to open %s: %s\n", filename, strerror(errno));
+ return -errno;
+ }
+
+ libusb_init(NULL);
+ libusb_set_debug(NULL, 3);
+
+ dev = libusb_open_device_with_vid_pid(NULL, KINECT_AUDIO_VID, KINECT_AUDIO_PID);
+ if (dev == NULL) {
+ fprintf(stderr, "Couldn't open device.\n");
+ ret = -ENODEV;
+ goto fail_libusb_open;
+ }
+
+ int current_configuration = -1;
+ libusb_get_configuration(dev, ¤t_configuration);
+ if (current_configuration != KINECT_AUDIO_CONFIGURATION)
+ libusb_set_configuration(dev, KINECT_AUDIO_CONFIGURATION);
+
+ libusb_claim_interface(dev, KINECT_AUDIO_INTERFACE);
+
+ current_configuration = -1;
+ libusb_get_configuration(dev, ¤t_configuration);
+ if (current_configuration != KINECT_AUDIO_CONFIGURATION) {
+ ret = -ENODEV;
+ goto cleanup;
+ }
+
+ ret = upload_firmware(fw);