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/*
* 0xFFFF - Open Free Fiasco Firmware Flasher
* Copyright (C) 2007 pancake <pancake@youterm.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "main.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
/*
* The internet tablet PC (and probably most of
* Nokia devices have different USB-IDs depending
* on the boot state.
*
* The following table shows this info:
*
* boot os
* n770 0421:0105 0421:0431
* n800 0421:0431
*
*/
struct devices supported_devices[SUPPORTED_DEVICES] = {
{ "FFFF", 0x000, 0x0000, 0x0000 }, // dummy
{ "unkn", 0x421, 0x3f00, 0x0000 }, // probably a development board
{ "n770", 0x421, 0x0105, 0x0001 }, // my n770
{ "n800", 0x421, 0x04c3, 0x0001 }, // a n800
{ 0 },
{ 0 }
};
/** Returns 0 when no device was found and a positive
* non-zero value when one was found.
*
* The return value is the index into the supported_devices
* array which denotes the device which was found.
*/
int is_valid_device(struct usb_device_descriptor *udd)
{
int i;
struct devices ptr = supported_devices[1];
for(i=1 ; ptr.vendor_id; ptr = supported_devices[++i])
if ((udd->idVendor == ptr.vendor_id)
&& (udd->idProduct == ptr.product_id)) {
D printf("found %s\n", supported_devices[i].name);
return i;
}
return 0;
}
/*
* List all supported device-ids and it's names
*
*/
void list_valid_devices()
{
int i;
struct devices ptr = supported_devices[1];
for(i=1; ptr.vendor_id; ptr = supported_devices[++i])
printf("%04x:%04x %s\n", ptr.vendor_id, ptr.product_id, ptr.name);
}
/*
* Returns true (1) when a valid usb device is found and stores the udd and devices
* structures for the specified device.
* Otherwise returns false (0)
*/
int usb_device_found(struct usb_device_descriptor *udd, struct devices *it_device)
{
struct usb_bus *bus;
int dev_index = 0;
if (usb_find_busses() < 0) {
fprintf(stderr, "\nerror: no usb busses found.\n");
exit(1);
} else {
switch(usb_find_devices()) {
case -1:
fprintf(stderr, "\nerror: no devices found.\n");
exit(1);
default:
for (bus = usb_busses; bus; bus = bus->next) {
struct usb_device *dev = bus->devices;
D printf("bus: \n");
for (; dev; dev = dev->next) {
*udd = dev->descriptor;
D printf(" dev (%s) - ", dev->filename);
D printf("vendor: %04x product: %04x\n", udd->idVendor, udd->idProduct);
if ((dev_index = is_valid_device(udd))) {
device = dev;
*it_device = supported_devices[dev_index];
return 1;
}
}
}
}
}
return 0;
}
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