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products:sbc:common:applications:gpio:led

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products:sbc:common:applications:gpio:led [2022/08/28 23:27]
haylrn [Edge1]
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/      /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/red_led     Red        
-| :::         | /sys/class/leds/led_r    Red        |+ :::          /sys/class/leds/green_led   Green      | 
 +|  :::          /sys/class/leds/blue_led    Blue       |
  
  
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 ```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**
  
 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/sys_led/trigger+$ echo none | sudo tee /sys/class/leds/sys_led/trigger
 ``` ```
  
Line 104: Line 102:
  
 ```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 111: Line 109:
  
 ```shell ```shell
-$ echo heartbeat /sys/class/leds/sys_led/trigger+$ echo heartbeat | sudo tee /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**
Line 124: Line 122:
  
 ```shell ```shell
-$ echo none | sudo tee /sys/class/leds/led_r/trigger+$ echo none | sudo tee /sys/class/leds/red_led/trigger
 ``` ```
  
Line 132: Line 130:
  
 ```shell ```shell
-$ echo default-on | sudo tee /sys/class/leds/led_r/trigger+$ echo default-on | sudo tee /sys/class/leds/red_led/trigger
 ``` ```
 **Set LED heartbeat** **Set LED heartbeat**
Line 139: Line 137:
  
 ```shell ```shell
-$ echo heartbeat sudo /sys/class/leds/led_r/trigger+$ echo heartbeat sudo tee /sys/class/leds/red_led/trigger
 ``` ```
 The others are similar. The others are similar.
Last modified: 2023/11/07 03:23 by nick