/****************************************************************************
    This file contains the top-level functions, which should be used
    almost exclusively by application programs.
****************************************************************************/

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

int     lct_find_bricks(lct_brick_list_t * bricks, unsigned int flags)

{
    int     count = 0;

    LCT_SET_COUNT(bricks,0);
    if (flags & LCT_PROBE_DEV_NXT)
	count += lct_find_nxt_bricks(bricks);
    if (flags & LCT_PROBE_DEV_RCX)
	count += lct_find_rcx_bricks(bricks);
    LCT_SET_COUNT(bricks, count);
    return count;
}


int     lct_find_nxt_bricks(lct_brick_list_t * bricks)

{
    int     count = 0;

    count += lct_find_nxt_usb(bricks);
    count += lct_find_nxt_bluetooth(bricks);
    LCT_SET_COUNT(bricks, count);
    return count;
}


int     lct_find_nxt_usb(lct_brick_list_t * bricks)

{
    struct usb_bus *busses, *bus;
    struct usb_device *dev;
    int     count = 0, bus_num = 0, dev_num = 0;

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

    busses = usb_get_busses();

    for (bus = busses; bus != NULL; bus = bus->next, ++bus_num)
    {
	for (dev = bus->devices; dev != NULL; dev = dev->next, ++dev_num)
	{
	    if (dev->descriptor.idVendor == LCT_VENDOR_LEGO &&
		dev->descriptor.idProduct == LCT_PRODUCT_NXT)
	    {
		printf("Found NXT on USB bus %d, dev %d.\n",
		       bus_num, dev_num);
		if ( usb_device_info(dev) == 0 )
		{
		    lct_init_brick(&bricks->bricks[count],LCT_NXT);
		    NXT_SET_USB_DEV(&(bricks->bricks[count].nxt),dev);
		    ++count;
		}
	    }
	}
    }

    LCT_SET_COUNT(bricks, count);
    return count;
}


int     lct_find_nxt_bluetooth(lct_brick_list_t *bricks)

{
    LCT_SET_COUNT(bricks, 0);
    return 0;
}


int     lct_find_rcx_bricks(lct_brick_list_t *bricks)

{
    int     count = 0;
    
    LCT_SET_COUNT(bricks,count);
    return count;
}