4c12eeb8b5
Change all files in common/ to use CMD_RET_USAGE instead of calling cmd_usage() directly. I'm not completely sure about this patch since the code since impact is small (100 byte or so on ARM) and it might need splitting into smaller patches. But for now here it is. Signed-off-by: Simon Glass <sjg@chromium.org>
173 lines
4.0 KiB
C
173 lines
4.0 KiB
C
/*
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* (C) Copyright 2010
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* Jason Kridner <jkridner@beagleboard.org>
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*
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* Based on cmd_led.c patch from:
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* http://www.mail-archive.com/u-boot@lists.denx.de/msg06873.html
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* (C) Copyright 2008
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* Ulf Samuelsson <ulf.samuelsson@atmel.com>
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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
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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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* 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,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <config.h>
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#include <command.h>
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#include <status_led.h>
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struct led_tbl_s {
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char *string; /* String for use in the command */
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led_id_t mask; /* Mask used for calling __led_set() */
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void (*off)(void); /* Optional function for turning LED off */
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void (*on)(void); /* Optional function for turning LED on */
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void (*toggle)(void);/* Optional function for toggling LED */
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};
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typedef struct led_tbl_s led_tbl_t;
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static const led_tbl_t led_commands[] = {
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#ifdef CONFIG_BOARD_SPECIFIC_LED
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#ifdef STATUS_LED_BIT
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{ "0", STATUS_LED_BIT, NULL, NULL, NULL },
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#endif
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#ifdef STATUS_LED_BIT1
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{ "1", STATUS_LED_BIT1, NULL, NULL, NULL },
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#endif
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#ifdef STATUS_LED_BIT2
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{ "2", STATUS_LED_BIT2, NULL, NULL, NULL },
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#endif
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#ifdef STATUS_LED_BIT3
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{ "3", STATUS_LED_BIT3, NULL, NULL, NULL },
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#endif
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#endif
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#ifdef STATUS_LED_GREEN
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{ "green", STATUS_LED_GREEN, green_led_off, green_led_on, NULL },
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#endif
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#ifdef STATUS_LED_YELLOW
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{ "yellow", STATUS_LED_YELLOW, yellow_led_off, yellow_led_on, NULL },
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#endif
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#ifdef STATUS_LED_RED
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{ "red", STATUS_LED_RED, red_led_off, red_led_on, NULL },
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#endif
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#ifdef STATUS_LED_BLUE
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{ "blue", STATUS_LED_BLUE, blue_led_off, blue_led_on, NULL },
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#endif
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{ NULL, 0, NULL, NULL, NULL }
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};
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enum led_cmd { LED_ON, LED_OFF, LED_TOGGLE };
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enum led_cmd get_led_cmd(char *var)
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{
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if (strcmp(var, "off") == 0) {
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return LED_OFF;
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}
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if (strcmp(var, "on") == 0) {
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return LED_ON;
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}
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if (strcmp(var, "toggle") == 0)
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return LED_TOGGLE;
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return -1;
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}
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int do_led (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int i, match = 0;
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enum led_cmd cmd;
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/* Validate arguments */
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if ((argc != 3)) {
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return CMD_RET_USAGE;
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}
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cmd = get_led_cmd(argv[2]);
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if (cmd < 0) {
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return CMD_RET_USAGE;
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}
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for (i = 0; led_commands[i].string; i++) {
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if ((strcmp("all", argv[1]) == 0) ||
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(strcmp(led_commands[i].string, argv[1]) == 0)) {
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match = 1;
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switch (cmd) {
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case LED_ON:
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if (led_commands[i].on)
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led_commands[i].on();
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else
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__led_set(led_commands[i].mask, 1);
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break;
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case LED_OFF:
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if (led_commands[i].off)
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led_commands[i].off();
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else
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__led_set(led_commands[i].mask, 0);
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break;
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case LED_TOGGLE:
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if (led_commands[i].toggle)
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led_commands[i].toggle();
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else
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__led_toggle(led_commands[i].mask);
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}
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/* Need to set only 1 led if led_name wasn't 'all' */
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if (strcmp("all", argv[1]) != 0)
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break;
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}
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}
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/* If we ran out of matches, print Usage */
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if (!match) {
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return CMD_RET_USAGE;
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}
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return 0;
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}
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U_BOOT_CMD(
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led, 3, 1, do_led,
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"led\t- ["
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#ifdef CONFIG_BOARD_SPECIFIC_LED
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#ifdef STATUS_LED_BIT
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"0|"
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#endif
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#ifdef STATUS_LED_BIT1
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"1|"
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#endif
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#ifdef STATUS_LED_BIT2
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"2|"
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#endif
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#ifdef STATUS_LED_BIT3
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"3|"
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#endif
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#endif
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#ifdef STATUS_LED_GREEN
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"green|"
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#endif
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#ifdef STATUS_LED_YELLOW
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"yellow|"
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#endif
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#ifdef STATUS_LED_RED
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"red|"
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#endif
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#ifdef STATUS_LED_BLUE
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"blue|"
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#endif
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"all] [on|off|toggle]\n",
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"led [led_name] [on|off|toggle] sets or clears led(s)\n"
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);
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