]>
git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_led.c
3 * Jason Kridner <jkridner@beagleboard.org>
5 * Based on cmd_led.c patch from:
6 * http://www.mail-archive.com/u-boot@lists.denx.de/msg06873.html
8 * Ulf Samuelsson <ulf.samuelsson@atmel.com>
10 * See file CREDITS for list of people who contributed to this
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation; either version 2 of
16 * the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 #include <status_led.h>
35 char *string
; /* String for use in the command */
36 led_id_t mask
; /* Mask used for calling __led_set() */
37 void (*off
)(void); /* Optional function for turning LED off */
38 void (*on
)(void); /* Optional function for turning LED on */
39 void (*toggle
)(void);/* Optional function for toggling LED */
42 typedef struct led_tbl_s led_tbl_t
;
44 static const led_tbl_t led_commands
[] = {
45 #ifdef CONFIG_BOARD_SPECIFIC_LED
47 { "0", STATUS_LED_BIT
, NULL
, NULL
, NULL
},
49 #ifdef STATUS_LED_BIT1
50 { "1", STATUS_LED_BIT1
, NULL
, NULL
, NULL
},
52 #ifdef STATUS_LED_BIT2
53 { "2", STATUS_LED_BIT2
, NULL
, NULL
, NULL
},
55 #ifdef STATUS_LED_BIT3
56 { "3", STATUS_LED_BIT3
, NULL
, NULL
, NULL
},
59 #ifdef STATUS_LED_GREEN
60 { "green", STATUS_LED_GREEN
, green_led_off
, green_led_on
, NULL
},
62 #ifdef STATUS_LED_YELLOW
63 { "yellow", STATUS_LED_YELLOW
, yellow_led_off
, yellow_led_on
, NULL
},
66 { "red", STATUS_LED_RED
, red_led_off
, red_led_on
, NULL
},
68 #ifdef STATUS_LED_BLUE
69 { "blue", STATUS_LED_BLUE
, blue_led_off
, blue_led_on
, NULL
},
71 { NULL
, 0, NULL
, NULL
, NULL
}
74 enum led_cmd
{ LED_ON
, LED_OFF
, LED_TOGGLE
};
76 enum led_cmd
get_led_cmd(char *var
)
78 if (strcmp(var
, "off") == 0) {
81 if (strcmp(var
, "on") == 0) {
84 if (strcmp(var
, "toggle") == 0)
89 int do_led (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
94 /* Validate arguments */
99 cmd
= get_led_cmd(argv
[2]);
101 return CMD_RET_USAGE
;
104 for (i
= 0; led_commands
[i
].string
; i
++) {
105 if ((strcmp("all", argv
[1]) == 0) ||
106 (strcmp(led_commands
[i
].string
, argv
[1]) == 0)) {
110 if (led_commands
[i
].on
)
111 led_commands
[i
].on();
113 __led_set(led_commands
[i
].mask
, 1);
116 if (led_commands
[i
].off
)
117 led_commands
[i
].off();
119 __led_set(led_commands
[i
].mask
, 0);
122 if (led_commands
[i
].toggle
)
123 led_commands
[i
].toggle();
125 __led_toggle(led_commands
[i
].mask
);
127 /* Need to set only 1 led if led_name wasn't 'all' */
128 if (strcmp("all", argv
[1]) != 0)
133 /* If we ran out of matches, print Usage */
135 return CMD_RET_USAGE
;
144 #ifdef CONFIG_BOARD_SPECIFIC_LED
145 #ifdef STATUS_LED_BIT
148 #ifdef STATUS_LED_BIT1
151 #ifdef STATUS_LED_BIT2
154 #ifdef STATUS_LED_BIT3
158 #ifdef STATUS_LED_GREEN
161 #ifdef STATUS_LED_YELLOW
164 #ifdef STATUS_LED_RED
167 #ifdef STATUS_LED_BLUE
170 "all] [on|off|toggle]\n",
171 "led [led_name] [on|off|toggle] sets or clears led(s)\n"