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products:sbc:common:applications:gpio:1wire

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products:sbc:common:applications:gpio:1wire [2023/11/07 04:39]
nick [Table] 		products:sbc:common:applications:gpio:1wire [2026/09/15 03:24] (current)
nick [Enable 1-Wire Bus]
Line 13: Line 13:
 ^  VIM3/3L  |  15   |  GPIOH_6    | :::                | :::                   | ^  VIM3/3L  |  15   |  GPIOH_6    | :::                | :::                   |
 ^  VIM4     |  37   |  GPIOT_19   | :::                | :::                   | ^  VIM4     |  37   |  GPIOT_19   | :::                | :::                   |
 +^  VIM-5    |  37   |  GPIOM_3    | :::                | :::                   |
 ^  VIM1S    |  36   |  GPIOZ_8    | :::                | :::                   | ^  VIM1S    |  36   |  GPIOZ_8    | :::                | :::                   |
 ^  Edge1    |  30   |  GPIO4_A0   | :::                | :::                   | ^  Edge1    |  30   |  GPIO4_A0   | :::                | :::                   |
Line 29: Line 30:
 ```shell ```shell
 overlays=onewire overlays=onewire
 +```
 +<tabbox VIM3 with 5.15 kernel>
 +
 +Edit ''/boot/dtb/amlogic/kvim3.dtb.overlay.env'' to add onewire node to ''fdt_overlays'' node if it doesn't exist.
 +
 +
 +e.g. To enable onewire, you need to add ''onewire'' to node ''fdt_overlays'' if it doesn't exist.
 +
 +```shell
 +fdt_overlays=onewire
 +
 +```
 +
 +<tabbox VIM3L with 5.15 kernel>
 +
 +Edit ''/boot/dtb/amlogic/kvim3l.dtb.overlay.env'' to add onewire node to ''fdt_overlays'' node if it doesn't exist.
 +
 +
 +e.g. To enable onewire, you need to add ''onewire'' to node ''fdt_overlays'' if it doesn't exist.
 +
 +```shell
 +fdt_overlays=onewire
 +
 ``` ```
  
Line 35: Line 59:
 Edit ''/boot/dtb/amlogic/kvim4.dtb.overlay.env'' to add onewire node to ''fdt_overlays'' node if it doesn't exist. Edit ''/boot/dtb/amlogic/kvim4.dtb.overlay.env'' to add onewire node to ''fdt_overlays'' node if it doesn't exist.
  
 +
 +e.g. To enable onewire, you need to add ''onewire'' to node ''fdt_overlays'' if it doesn't exist.
 +
 +```shell
 +fdt_overlays=onewire
 +
 +```
 +<tabbox VIM-5>
 +
 +Edit ''/boot/dtb/amlogic/kvim-5.dtb.overlay.env'' to add onewire node to ''fdt_overlays'' node if it doesn't exist.
  
 e.g. To enable onewire, you need to add ''onewire'' to node ''fdt_overlays'' if it doesn't exist. e.g. To enable onewire, you need to add ''onewire'' to node ''fdt_overlays'' if it doesn't exist.
Line 59: Line 93:
 </WRAP> </WRAP>
  
-===== Disable 1-Wire to Use GPIO ===== 
- 
-If you want to use normal GPIO instead of 1-Wire, you can remove the 1-Wire node in [[products:sbc:common:configurations:device-tree-overlay|Device Tree Overlay]].  
  
 ===== Get Sensor Data ===== ===== Get Sensor Data =====
Line 87: Line 118:
 b1 01 4b 46 7f ff 0c 10 d8 t=27062 b1 01 4b 46 7f ff 0c 10 d8 t=27062
 ``` ```
 +
 +
 +===== Disable 1-Wire to Use GPIO =====
 +
 +If you want to use normal GPIO instead of 1-Wire, you can remove the 1-Wire node in [[products:sbc:common:configurations:device-tree-overlay|Device Tree Overlay]]. 
Last modified: 2023/11/07 04:39 by nick

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