mirror of
https://github.com/linux-usb-gadgets/libusbgx.git
synced 2025-07-13 01:09:43 +03:00
91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
/*
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* Copyright (C) 2013 Linaro Limited
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*
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* Matt Porter <matt.porter@linaro.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <gadget/gadget.h>
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/**
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* @file gadget-acm-ecm.c
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* @example gadget-acm-ecm.c
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* This is an example of how to create an ACM+ECM gadget device.
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*/
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#define VENDOR 0x1d6b
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#define PRODUCT 0x0104
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int main(void)
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{
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struct state *s;
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struct gadget *g;
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struct function *f;
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struct config *c;
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struct function *f_acm0, *f_acm1, *f_ecm;
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int ret = -EINVAL;
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s = gadget_init("/config");
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if (!s) {
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fprintf(stderr, "Error on USB gadget init\n");
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goto error1;
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}
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g = gadget_create_gadget(s, "g1", VENDOR, PRODUCT);
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if (!g) {
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fprintf(stderr, "Error on create gadget\n");
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goto error2;
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}
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gadget_set_gadget_serial_number(g, LANG_US_ENG, "0123456789");
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gadget_set_gadget_manufacturer(g, LANG_US_ENG, "Foo Inc.");
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gadget_set_gadget_product(g, LANG_US_ENG, "Bar Gadget");
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f_acm0 = gadget_create_function(g, F_ACM, "usb0");
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if (!f_acm0) {
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fprintf(stderr, "Error creating acm0 function\n");
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goto error2;
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}
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f_acm1 = gadget_create_function(g, F_ACM, "usb1");
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if (!f_acm1) {
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fprintf(stderr, "Error creating acm1 function\n");
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goto error2;
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}
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f_ecm = gadget_create_function(g, F_ECM, "usb0");
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if (!f_ecm) {
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fprintf(stderr, "Error creating ecm function\n");
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goto error2;
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}
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c = gadget_create_config(g, "c.1");
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if (!c) {
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fprintf(stderr, "Error creating config\n");
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goto error2;
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}
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gadget_set_config_string(c, LANG_US_ENG, "CDC 2xACM+ECM");
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gadget_add_config_function(c, "acm.GS0", f_acm0);
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gadget_add_config_function(c, "acm.GS1", f_acm1);
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gadget_add_config_function(c, "ecm.usb0", f_ecm);
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gadget_enable_gadget(g, DEFAULT_UDC);
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return 0;
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error2:
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gadget_cleanup(s);
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error1:
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return -EINVAL;
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}
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