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/*
* usbserial.c - usb serial gadget command
*
* Copyright (c) 2011 Eric Bénard <eric@eukrea.com>, Eukréa Electromatique
* based on dfu.c which is :
* Copyright (c) 2009 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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 <common.h>
#include <command.h>
#include <errno.h>
#include <malloc.h>
#include <getopt.h>
#include <fs.h>
#include <xfuncs.h>
#include <usb/usbserial.h>
#include <usb/dfu.h>
#include <usb/gadget-multi.h>
static int do_usbgadget(int argc, char *argv[])
{
int opt;
int acm = 1, create_serial = 0;
char *fastboot_opts = NULL, *dfu_opts = NULL;
struct f_multi_opts opts = {};
while ((opt = getopt(argc, argv, "asdA:D:")) > 0) {
switch (opt) {
case 'a':
acm = 1;
create_serial = 1;
break;
case 's':
acm = 0;
create_serial = 1;
break;
case 'D':
dfu_opts = optarg;
break;
case 'A':
fastboot_opts = optarg;
break;
case 'd':
usb_multi_unregister();
return 0;
default:
return -EINVAL;
}
}
if (!dfu_opts && !fastboot_opts && !create_serial)
return COMMAND_ERROR_USAGE;
/*
* Creating a gadget with both DFU and Fastboot doesn't work.
* Both client tools seem to assume that the device only has
* a single configuration
*/
if (fastboot_opts && dfu_opts) {
printf("Only one of Fastboot and DFU allowed\n");
return -EINVAL;
}
if (fastboot_opts) {
opts.fastboot_opts.files = file_list_parse(fastboot_opts);
}
if (dfu_opts) {
opts.dfu_opts.files = file_list_parse(dfu_opts);
}
if (create_serial) {
opts.create_acm = acm;
}
return usb_multi_register(&opts);
}
BAREBOX_CMD_HELP_START(usbgadget)
BAREBOX_CMD_HELP_TEXT("Enable / disable a USB composite gadget on the USB device interface.")
BAREBOX_CMD_HELP_TEXT("")
BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT ("-a", "Create CDC ACM function")
BAREBOX_CMD_HELP_OPT ("-s", "Create Generic Serial function")
BAREBOX_CMD_HELP_OPT ("-A <desc>", "Create Android Fastboot function")
BAREBOX_CMD_HELP_OPT ("-D <desc>", "Create DFU function")
BAREBOX_CMD_HELP_OPT ("-d", "Disable the serial gadget")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(usbgadget)
.cmd = do_usbgadget,
BAREBOX_CMD_DESC("Create USB Gadget multifunction device")
BAREBOX_CMD_OPTS("[-asdAD]")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_HELP(cmd_usbgadget_help)
BAREBOX_CMD_END
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