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products:sbc:common:applications:gpio:led

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products:sbc:common:applications:gpio:led [2022/08/28 23:28]
haylrn [Edge2] 		products:sbc:common:applications:gpio:led [2022/08/29 10:00]
nick [Setup LED]
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 ===== 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/led_b    | Blue       | +^       Edge2 | /sys/class/leds/blue_led  | Blue       | 
-| :::         | /sys/class/leds/led_r    | Red        |+| :::         | /sys/class/leds/red_led   | Red        |
  
  
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 ```shell ```shell
-$ echo heartbeat > /sys/class/leds/sys_led/trigger+$ echo heartbeat | sudo /sys/class/leds/sys_led/trigger
 ``` ```
  
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 ```shell ```shell
-$ echo heartbeat > /sys/class/leds/pwmled/trigger+$ echo heartbeat | sudo tee /sys/class/leds/pwmled/trigger
 ``` ```
  
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 ```shell ```shell
-$ echo none | tee /sys/class/leds/sys_led/trigger+$ echo none | sudo tee /sys/class/leds/sys_led/trigger
 ``` ```
  
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 ```shell ```shell
-$ echo default-on | tee /sys/class/leds/sys_led/trigger+$ echo default-on | sudo tee /sys/class/leds/sys_led/trigger
 ``` ```
 **Set LED heartbeat** **Set LED heartbeat**
Line 108: Line 108:
  
 ```shell ```shell
-$ echo heartbeat > /sys/class/leds/sys_led/trigger+$ echo heartbeat | sudo /sys/class/leds/sys_led/trigger
 ``` ```
  
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 <tabbox Edge2> <tabbox Edge2>
-We will use sys_led as an example:+We will use red_led blue_led green_led  as an example:
  
 **Turn off** **Turn off**
  
 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 
-$ su 
-``` 
  
 ```shell ```shell
-# echo none | tee /sys/class/leds/led_r/trigger+$ echo none | sudo tee /sys/class/leds/red_led/trigger
 ``` ```
  
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 ```shell ```shell
-# echo default-on | tee /sys/class/leds/led_r/trigger+$ echo default-on | sudo tee /sys/class/leds/red_led/trigger
 ``` ```
 **Set LED heartbeat** **Set LED heartbeat**
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 ```shell ```shell
-# echo heartbeat > /sys/class/leds/led_r/trigger+$ echo heartbeat | sudo /sys/class/leds/red_led/trigger
 ``` ```
 The others are similar. The others are similar.
Last modified: 2023/11/07 03:23 by nick

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