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products:sbc:common:applications:gpio:led

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products:sbc:common:applications:gpio:led [2022/08/28 22:53]
haylrn [Edge2] 		products:sbc:common:applications:gpio:led [2023/11/07 03:22]
nick
Line 10: Line 10:
 ===== Device LED configurations ===== ===== Device LED configurations =====
  
-|      Device ^ Node name              ^ LED color  ^ +^  Device      ^  Node name                  ^  LED color  ^ 
-^      VIM1/2 | /sys/class/leds/sys_led  | White      | +^  VIM1/2      |  /sys/class/leds/sys_led    |  White      | 
-^     VIM3/3L | /sys/class/leds/red_led  | Red        | +^  VIM3/3L     |  /sys/class/leds/red_led    |  Red        | 
-|         ::: | /sys/class/leds/sys_led  |            | +|  :::         |  /sys/class/leds/sys_led    |             | 
-^  VIM1S/VIM4 | /sys/class/leds/pwmled   |            | +^  VIM1S/VIM4  |  /sys/class/leds/pwmled     |             | 
-^       Edge1 | /sys/class/leds/red_led  |            | +^  Edge1       |  /sys/class/leds/red_led    |             | 
-|         ::: | /sys/class/leds/sys_led  |            |  +|  :::         |  /sys/class/leds/sys_led    |             | 
-^       Edge2 | /sys/class/leds/red_led  |            | +^  Edge2       |  /sys/class/leds/red_led    |  Red        | 
-|         ::: | /sys/class/leds/sys_led  |            | +|  :::         |  /sys/class/leds/green_led  |  Green      | 
 +|  :::         |  /sys/class/leds/blue_led   |  Blue       |
  
  
Line 48: Line 49:
  
 ```shell ```shell
-$ echo heartbeat > /sys/class/leds/sys_led/trigger+$ echo heartbeat | sudo tee /sys/class/leds/sys_led/trigger
 ``` ```
  
Line 79: Line 80:
  
 ```shell ```shell
-$ echo heartbeat > /sys/class/leds/pwmled/trigger+$ echo heartbeat | sudo tee /sys/class/leds/pwmled/trigger
 ``` ```
  
Line 86: Line 87:
 <tabbox Edge1> <tabbox Edge1>
  
-We will use sys_led as an example:+We will use ''sys_led'' as an example:
  
 **Turn off** **Turn off**
Line 108: Line 109:
  
 ```shell ```shell
-$ echo heartbeat > /sys/class/leds/sys_led/trigger+$ echo heartbeat | sudo tee /sys/class/leds/sys_led/trigger
 ``` ```
  
Line 114: Line 115:
  
 <tabbox Edge2> <tabbox Edge2>
-We will use led_b led_g led_r as an example: +We will use ''red_led'''' blue_led'' ''green_led''  as an example:
  
 **Turn off** **Turn off**
- 
-```shell 
-$ sudo 
-``` 
  
 Set the LED node parameter to ''none'' to turn off the LED: Set the LED node parameter to ''none'' to turn off the LED:
  
 ```shell ```shell
-$ echo none |  tee /sys/class/leds/led_b/trigger+$ echo none | sudo tee /sys/class/leds/red_led/trigger
 ``` ```
  
Line 134: Line 130:
  
 ```shell ```shell
-$ echo default-on |  tee /sys/class/leds/led_b/trigger+$ echo default-on | sudo tee /sys/class/leds/red_led/trigger
 ``` ```
- 
 **Set LED heartbeat** **Set LED heartbeat**
  
Line 142: Line 137:
  
 ```shell ```shell
-$ echo heartbeat > /sys/class/leds/sys_led/trigger+$ echo heartbeat | sudo tee /sys/class/leds/red_led/trigger
 ``` ```
 +The others are similar.
 + 
 You can also experiment with other parameters. You can also experiment with other parameters.
  
Last modified: 2023/11/07 03:23 by nick

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