1983f31af9
This will enable us to transparently use different calibration for different board revisions. The 2.0.0 revision changes the sensing circuitry and will need its own coeffs. In this commit, both models are run in parallel for debugging.
172 lines
3.1 KiB
Text
172 lines
3.1 KiB
Text
/dts-v1/;
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#include <nordic/nrf52840_qiaa.dtsi>
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#include "bparasite_nrf52840-pinctrl.dtsi"
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/ {
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model = "A soil moisture sensor based on Nordic's nRF52840";
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compatible = "rbaron,bparasite_nrf52840";
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chosen {
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,code-partition = &slot0_partition;
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zephyr,ieee802154 = &ieee802154;
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};
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zephyr,user {
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io-channels = <&adc 0>, <&adc 2>;
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};
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leds {
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compatible = "gpio-leds";
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led0: led_0 {
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// P0.28.
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gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>;
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};
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};
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buttons {
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compatible = "gpio-keys";
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button0: button_0 {
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// P0.12.
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gpios = <&gpio0 12 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
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label = "Push button switch 0";
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};
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};
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soil_pwm: soil_pwm {
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compatible = "pwm-fixed";
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pwms = <&pwm0 0 PWM_USEC(2) PWM_POLARITY_NORMAL>;
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pulse = <PWM_USEC(1)>;
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};
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soil_calibration_coeffs: soil_calibration_coeffs {
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compatible = "soil-calibration-coeffs";
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dry = <306000 101000 (-11700)>;
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wet = <19000 (-4980) 3420>;
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};
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ctrl {
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compatible = "gpio-keys";
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fast_disch: fast_disch {
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// P1.10.
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gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
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label = "Fast discharge circuitry";
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};
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};
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};
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&gpiote {
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status = "okay";
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};
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&gpio0 {
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status = "okay";
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};
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&gpio1 {
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status = "okay";
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};
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&ieee802154 {
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status = "okay";
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};
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&uart0 {
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compatible = "nordic,nrf-uart";
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status = "disabled";
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current-speed = <115200>;
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pinctrl-0 = <&uart0_default>;
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pinctrl-1 = <&uart0_sleep>;
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pinctrl-names = "default", "sleep";
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};
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&i2c0 {
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compatible = "nordic,nrf-twi";
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status = "okay";
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pinctrl-0 = <&i2c0_default>;
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pinctrl-1 = <&i2c0_sleep>;
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pinctrl-names = "default", "sleep";
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shtc3: shtc3@70 {
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compatible = "i2c-device";
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reg = <0x70>;
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label = "SHTC3";
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};
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};
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&pwm0 {
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status = "okay";
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pinctrl-0 = <&pwm0_default>;
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pinctrl-1 = <&pwm0_sleep>;
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pinctrl-names = "default", "sleep";
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};
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&adc {
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#address-cells = <1>;
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#size-cells = <0>;
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status = "ok";
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// Soil.
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channel@0 {
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reg = <0>;
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zephyr,gain = "ADC_GAIN_1_6";
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zephyr,reference = "ADC_REF_VDD_1_4";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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// P0.03.
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zephyr,input-positive = <NRF_SAADC_AIN1>;
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zephyr,resolution = <10>;
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};
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// Battery.
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channel@2 {
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reg = <2>;
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zephyr,gain = "ADC_GAIN_1_6";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_VDD>;
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zephyr,resolution = <10>;
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};
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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boot_partition: partition@0 {
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label = "mcuboot";
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reg = <0x00000000 0x0000C000>;
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};
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slot0_partition: partition@c000 {
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label = "image-0";
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reg = <0x0000C000 0x00067000>;
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};
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slot1_partition: partition@73000 {
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label = "image-1";
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reg = <0x00073000 0x00067000>;
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};
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scratch_partition: partition@da000 {
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label = "image-scratch";
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reg = <0x000da000 0x0001e000>;
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};
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/*
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* The flash starting at 0x000f8000 and ending at
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* 0x000fffff is reserved for use by the application.
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*/
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/*
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* Storage partition will be used by FCB/LittleFS/NVS
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* if enabled.
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*/
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storage_partition: partition@f8000 {
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label = "storage";
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reg = <0x000f8000 0x00008000>;
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};
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};
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};
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