static void* message_thread(void* arg) {
int *endpoints = (int *)arg;
int ret = 0;
int num = 0;
char message[50];
while (sDevice && ret >= 0) {
char buffer[16384];
ret = usb_device_bulk_transfer(sDevice, endpoints[0], buffer, sizeof(buffer), 1000);
if (ret < 0 && errno == ETIMEDOUT) {
ret = 0;
}
if (ret > 0) {
printf("[RECV] ");
fwrite(buffer, 1, ret, stdout);
printf("\n");
// Respond by sending a message back
sprintf(message, "Message from Android accessory #%d", num++);
printf("[SENT] %s\n", message);
fflush(stdout);
usb_device_bulk_transfer(sDevice, endpoints[1], message, strlen(message), 1000);
}
}
return NULL;
}
int MtpPacket::transfer(struct usb_request* request) {
int result = usb_device_bulk_transfer(request->dev,
request->endpoint,
request->buffer,
request->buffer_length,
0);
request->actual_length = result;
return result;
}
int hu_bulk_send (byte * buf, int len) {
int ret = usb_device_bulk_transfer (current_device, write_ep, buf, len, 1000);
return (ret);
}
int hu_bulk_recv (byte * buf, int len) {
int ret = usb_device_bulk_transfer (current_device, read_ep, buf, len, 1000);
return (ret);
}
