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| author | Nick <nick.win999@gmail.com> | 2020-09-19 19:14:59 -0500 |
|---|---|---|
| committer | Nick <nick.win999@gmail.com> | 2020-09-19 19:14:59 -0500 |
| commit | 844f2c76749cbc5ff611d8e69819af82b698089a (patch) | |
| tree | 9e235ea8156772c61c0c7438051011e25c1fa3d4 /app/boards/arm | |
| parent | ceda57ddfd7b49dd61e8795c37cd678b69a4a76f (diff) | |
Voltage divider driver initial implementation
Diffstat (limited to 'app/boards/arm')
| -rw-r--r-- | app/boards/arm/nice_nano/nice_nano.dts | 10 | ||||
| -rw-r--r-- | app/boards/arm/nice_nano/nice_nano_defconfig | 4 |
2 files changed, 14 insertions, 0 deletions
diff --git a/app/boards/arm/nice_nano/nice_nano.dts b/app/boards/arm/nice_nano/nice_nano.dts index 2e9556b..18312ec 100644 --- a/app/boards/arm/nice_nano/nice_nano.dts +++ b/app/boards/arm/nice_nano/nice_nano.dts @@ -29,6 +29,16 @@ }; }; + vbatt { + compatible = "zmk,battery-voltage-divider"; + io-channels = <&adc 2>; + output-ohms = <2000000>; + full-ohms = <(2000000 + 806000)>; + }; +}; + +&adc { + status = "okay"; }; &gpio0 { diff --git a/app/boards/arm/nice_nano/nice_nano_defconfig b/app/boards/arm/nice_nano/nice_nano_defconfig index 393d61f..b727fe0 100644 --- a/app/boards/arm/nice_nano/nice_nano_defconfig +++ b/app/boards/arm/nice_nano/nice_nano_defconfig @@ -10,6 +10,10 @@ CONFIG_ARM_MPU=y # enable GPIO CONFIG_GPIO=y +CONFIG_ADC=y + +CONFIG_NEWLIB_LIBC=y + CONFIG_USE_DT_CODE_PARTITION=y CONFIG_MPU_ALLOW_FLASH_WRITE=y |