62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
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* usb.c - rescan for USB devices
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*
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* Copyright (c) 2011 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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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 version 2
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* as published by the Free Software Foundation.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <complete.h>
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#include <usb/usb.h>
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#include <getopt.h>
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static int scanned;
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static int do_usb(int argc, char *argv[])
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{
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int opt;
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while ((opt = getopt(argc, argv, "f")) > 0) {
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switch (opt) {
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case 'f':
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scanned = 0;
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break;
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}
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}
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if (!scanned) {
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usb_rescan();
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scanned = 1;
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}
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return 0;
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}
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BAREBOX_CMD_HELP_START(usb)
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BAREBOX_CMD_HELP_USAGE("usb [-f]\n")
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BAREBOX_CMD_HELP_SHORT("Scan for USB devices.\n")
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BAREBOX_CMD_HELP_OPT("-f", "force. Rescan if if if have scanned once\n")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(usb)
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.cmd = do_usb,
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.usage = "(re-)detect USB devices",
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BAREBOX_CMD_HELP(cmd_usb_help)
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BAREBOX_CMD_COMPLETE(empty_complete)
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BAREBOX_CMD_END
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