#include <stdio.h>
#include <libusb.h>
#define TIMEOUT 50000

int main(int argc, char **argv)
{
if (libusb_init(0)){
        printf("INITIALIZATION ERROR \n");
        return 1;
    }

libusb_device_handle *lettore;
lettore = libusb_open_device_with_vid_pid(NULL,0x147e,0x2020);
if (lettore == NULL){
        printf("ERROR OPEN DEVICE! \n");
        return 1;
    }
 libusb_set_debug(NULL,3);
unsigned char setup_packet[8];
struct libusb_transfer *controllo;
controllo = libusb_alloc_transfer(0);
libusb_fill_control_setup(setup_packet,0xc0,0x04,0x00,0x00,0x08);
libusb_fill_control_transfer(controllo,lettore,setup_packet,NULL,NULL,TIMEOUT);//20, 10???
if (libusb_submit_transfer(controllo)){
        printf("SETUP DEVICE ERROR! \n");
        return 1;
    }
libusb_handle_events(NULL);
controllo = libusb_alloc_transfer(0);
libusb_fill_control_setup(setup_packet,0xc0,0x04,0x00,0x00,0x08);
libusb_fill_control_transfer(controllo,lettore,setup_packet,NULL,NULL,TIMEOUT);
if (libusb_submit_transfer(controllo)){
        printf("SETUP DEVICE ERROR! \n");
        return 1;
    }
    libusb_handle_events(NULL);
controllo = libusb_alloc_transfer(0);
libusb_fill_control_setup(setup_packet,0x40,0x0c,0x100,0x400,0x01);
libusb_fill_control_transfer(controllo,lettore,setup_packet,NULL,NULL,TIMEOUT);
if (libusb_submit_transfer(controllo)){
        printf("SETUP DEVICE ERROR! \n");
        return 1;
    }
    libusb_handle_events(NULL);
/******************************* START TRANSFER DATA */
struct libusb_transfer *pacchetto;
unsigned char buffer2[64];
pacchetto = libusb_alloc_transfer(0);
libusb_fill_bulk_transfer(pacchetto,lettore,0x81,buffer2,64,NULL,NULL,TIMEOUT); //HERE LIBUSB FAIL!
if (libusb_submit_transfer(pacchetto)){
        printf("RECEIVE DATA ERROR! \n");
        return 1;
    }
    libusb_handle_events(NULL);
return 0;
}