]>
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 * SPDX-License-Identifier: GPL-2.0+
16 #include <status_led.h>
19 char *string
; /* String for use in the command */
20 led_id_t mask
; /* Mask used for calling __led_set() */
21 void (*off
)(void); /* Optional function for turning LED off */
22 void (*on
)(void); /* Optional function for turning LED on */
23 void (*toggle
)(void);/* Optional function for toggling LED */
26 typedef struct led_tbl_s led_tbl_t
;
28 static const led_tbl_t led_commands
[] = {
29 #ifdef CONFIG_BOARD_SPECIFIC_LED
31 { "0", STATUS_LED_BIT
, NULL
, NULL
, NULL
},
33 #ifdef STATUS_LED_BIT1
34 { "1", STATUS_LED_BIT1
, NULL
, NULL
, NULL
},
36 #ifdef STATUS_LED_BIT2
37 { "2", STATUS_LED_BIT2
, NULL
, NULL
, NULL
},
39 #ifdef STATUS_LED_BIT3
40 { "3", STATUS_LED_BIT3
, NULL
, NULL
, NULL
},
43 #ifdef STATUS_LED_GREEN
44 { "green", STATUS_LED_GREEN
, green_led_off
, green_led_on
, NULL
},
46 #ifdef STATUS_LED_YELLOW
47 { "yellow", STATUS_LED_YELLOW
, yellow_led_off
, yellow_led_on
, NULL
},
50 { "red", STATUS_LED_RED
, red_led_off
, red_led_on
, NULL
},
52 #ifdef STATUS_LED_BLUE
53 { "blue", STATUS_LED_BLUE
, blue_led_off
, blue_led_on
, NULL
},
55 { NULL
, 0, NULL
, NULL
, NULL
}
58 enum led_cmd
{ LED_ON
, LED_OFF
, LED_TOGGLE
};
60 enum led_cmd
get_led_cmd(char *var
)
62 if (strcmp(var
, "off") == 0) {
65 if (strcmp(var
, "on") == 0) {
68 if (strcmp(var
, "toggle") == 0)
73 int do_led (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
78 /* Validate arguments */
83 cmd
= get_led_cmd(argv
[2]);
88 for (i
= 0; led_commands
[i
].string
; i
++) {
89 if ((strcmp("all", argv
[1]) == 0) ||
90 (strcmp(led_commands
[i
].string
, argv
[1]) == 0)) {
94 if (led_commands
[i
].on
)
97 __led_set(led_commands
[i
].mask
,
101 if (led_commands
[i
].off
)
102 led_commands
[i
].off();
104 __led_set(led_commands
[i
].mask
,
108 if (led_commands
[i
].toggle
)
109 led_commands
[i
].toggle();
111 __led_toggle(led_commands
[i
].mask
);
113 /* Need to set only 1 led if led_name wasn't 'all' */
114 if (strcmp("all", argv
[1]) != 0)
119 /* If we ran out of matches, print Usage */
121 return CMD_RET_USAGE
;
130 #ifdef CONFIG_BOARD_SPECIFIC_LED
131 #ifdef STATUS_LED_BIT
134 #ifdef STATUS_LED_BIT1
137 #ifdef STATUS_LED_BIT2
140 #ifdef STATUS_LED_BIT3
144 #ifdef STATUS_LED_GREEN
147 #ifdef STATUS_LED_YELLOW
150 #ifdef STATUS_LED_RED
153 #ifdef STATUS_LED_BLUE
156 "all] [on|off|toggle]",
157 "[led_name] [on|off|toggle] sets or clears led(s)"