diff options
Diffstat (limited to 'commands/usbgadget.c')
| -rw-r--r-- | commands/usbgadget.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/commands/usbgadget.c b/commands/usbgadget.c new file mode 100644 index 0000000000..fc2252ad09 --- /dev/null +++ b/commands/usbgadget.c @@ -0,0 +1,108 @@ +/* + * 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 |