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-rw-r--r--app/boards/arm/nrfmicro/nrfmicro_13.dts16
-rw-r--r--app/boards/arm/nrfmicro/nrfmicro_13_defconfig4
2 files changed, 18 insertions, 2 deletions
diff --git a/app/boards/arm/nrfmicro/nrfmicro_13.dts b/app/boards/arm/nrfmicro/nrfmicro_13.dts
index ef43946..ae6c1af 100644
--- a/app/boards/arm/nrfmicro/nrfmicro_13.dts
+++ b/app/boards/arm/nrfmicro/nrfmicro_13.dts
@@ -25,12 +25,24 @@
label = "Blue LED";
};
};
-
- ext-power {
+
+ ext-power {
compatible = "zmk,ext-power-generic";
label = "EXT_POWER";
control-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
};
+
+ vbatt {
+ compatible = "zmk,battery-voltage-divider";
+ label = "VOLTAGE_DIVIDER";
+ io-channels = <&adc 2>;
+ output-ohms = <2000000>;
+ full-ohms = <(2000000 + 820000)>;
+ };
+};
+
+&adc {
+ status = "okay";
};
&gpio0 {
diff --git a/app/boards/arm/nrfmicro/nrfmicro_13_defconfig b/app/boards/arm/nrfmicro/nrfmicro_13_defconfig
index cac1164..0421653 100644
--- a/app/boards/arm/nrfmicro/nrfmicro_13_defconfig
+++ b/app/boards/arm/nrfmicro/nrfmicro_13_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