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Add basic ADC support

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Planning on abstracting this behind hardware setup APIs, but this works
for a simple demo until then
This commit is contained in:
Aaron Cook 2025-09-08 15:38:08 -05:00
commit 8f0f0a0535
9 changed files with 151 additions and 0 deletions
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19
boards/nrf52840dongle_nrf52840.overlay Normal file
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/ {
zephyr,user {
io-channels = <&adc 0>;
};
};
&adc {
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0>;
zephyr,gain = "ADC_GAIN_1_6";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,input-positive = <NRF_SAADC_AIN0>; /* P0.02 */
zephyr,resolution = <12>;
};
};