#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "usb.h"

int main(int argc, char **argv)
{
	struct usb_bus *bus;
        int c, i, a, c1, i1;
        struct usb_bus *busses;
	char Bytes[256];
    
        usb_init();
        usb_find_busses();
        usb_find_devices();
    
        busses = usb_get_busses();

        for (bus = busses; bus; bus = bus->next)
	{
                struct usb_device *dev;
    
                for (dev = bus->devices; dev; dev = dev->next)
		{
			     
                        /* Loop through all of the configurations */
                        for (c = 0; c < dev->descriptor.bNumConfigurations; c++)
			{
                                /* Loop through all of the interfaces */
                                for (i = 0; i < dev->config[c].bNumInterfaces; i++)
				{
                                        /* Loop through all of the alternate settings */
                                        for (a = 0; a < dev->config[c].interface[i].num_altsetting; a++)
					{
                                           if (dev->config[c].interface[i].altsetting[a].bInterfaceClass >= 0)
						{
                                                        printf("Device class = %d\n", dev->config[c].interface[i].altsetting[a].bInterfaceClass);
                        				if (dev->descriptor.bDeviceClass >= 0)
							{
                             					usb_dev_handle *Handle = usb_open(dev);
								if (Handle)
								{
									printf("Handle opened for device!\n");
									i1=usb_claim_interface(Handle, dev->config[c].interface[i].altsetting[a].bInterfaceNumber);
									if (i1>=0)
									{
										printf("Interface claimed!\n");
										while(1)
										{
											c1 = usb_bulk_read(Handle, USB_ENDPOINT_TYPE_BULK, Bytes, 256, 32000);
											if (c1<0)
											{
												printf("Failed device read\n");
												break;
											}
											else
												printf("%c", Bytes[0]);
										}
										usb_release_interface(Handle, dev->config[c].interface[i].altsetting[a].bInterfaceNumber);
									}
										else printf("Claiming interface failed!\n");
									usb_close(Handle);
								}
								else
								{
									printf("Unable to open handle to device!\n");
								}

                                                	}
                                        	}
                               		}
                        	}
                	}
        	}
	}
}