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/*
* Copyright (C) 2013 Linaro Limited
*
* Matt Porter <mporter@linaro.org>
*
* 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 2 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.
*/
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <netinet/ether.h>
#include <usbg/usbg.h>
/**
* @file show-gadgets.c
* @example show-gadgets.c
* This example shows how to display all configured USB gadgets
* in the system
*/
void show_gadget(struct gadget *g)
{
fprintf(stdout, "ID %04x:%04x '%s'\n",
g->vendor, g->product, g->name);
fprintf(stdout, " UDC\t\t\t%s\n", g->udc);
fprintf(stdout, " bDeviceClass\t\t0x%02x\n", g->dclass);
fprintf(stdout, " bDeviceSubClass\t0x%02x\n", g->dsubclass);
fprintf(stdout, " bDeviceProtocol\t0x%02x\n", g->dproto);
fprintf(stdout, " bMaxPacketSize0\t0x%02x\n", g->maxpacket);
fprintf(stdout, " bcdDevice\t\t0x%04x\n", g->bcddevice);
fprintf(stdout, " bcdUSB\t\t0x%04x\n", g->bcdusb);
fprintf(stdout, " idVendor\t\t0x%04x\n", g->vendor);
fprintf(stdout, " idProduct\t\t0x%04x\n", g->product);
fprintf(stdout, " Serial Number\t\t%s\n", g->str_ser);
fprintf(stdout, " Manufacturer\t\t%s\n", g->str_mnf);
fprintf(stdout, " Product\t\t%s\n", g->str_prd);
}
void show_function(struct function *f)
{
fprintf(stdout, " Function '%s'\n", f->name);
switch (f->type) {
case F_SERIAL:
case F_ACM:
case F_OBEX:
fprintf(stdout, " port_num\t\t%d\n",
f->attr.serial.port_num);
break;
case F_ECM:
case F_SUBSET:
case F_NCM:
case F_EEM:
case F_RNDIS:
fprintf(stdout, " dev_addr\t\t%s\n",
ether_ntoa(&f->attr.net.dev_addr));
fprintf(stdout, " host_addr\t\t%s\n",
ether_ntoa(&f->attr.net.host_addr));
fprintf(stdout, " ifname\t\t%s\n", f->attr.net.ifname);
fprintf(stdout, " qmult\t\t%d\n", f->attr.net.qmult);
break;
case F_PHONET:
fprintf(stdout, " ifname\t\t%s\n", f->attr.phonet.ifname);
break;
default:
fprintf(stdout, " UNKNOWN\n");
}
}
void show_config(struct config *c)
{
struct binding *b;
fprintf(stdout, " Configuration '%s'\n", c->name);
fprintf(stdout, " MaxPower\t\t%d\n", c->maxpower);
fprintf(stdout, " bmAttributes\t0x%02x\n", c->bmattrs);
fprintf(stdout, " configuration\t%s\n", c->str_cfg);
usbg_for_each_binding(b, c)
fprintf(stdout, " %s -> %s\n", b->name,b->target->name);
}
int main(void)
{
struct state *s;
struct gadget *g;
struct function *f;
struct config *c;
struct binding *b;
struct function *f_acm0, *f_acm1, *f_ecm;
s = usbg_init("/config");
if (!s) {
fprintf(stderr, "Error on USB gadget init\n");
return -EINVAL;
}
usbg_for_each_gadget(g, s) {
show_gadget(g);
usbg_for_each_function(f, g)
show_function(f);
usbg_for_each_config(c, g)
show_config(c);
}
usbg_cleanup(s);
return 0;
}
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