/dts-v1/; #include #include "bparasite_nrf52833-pinctrl.dtsi" / { model = "A soil moisture sensor based on Nordic's nRF52833"; compatible = "rbaron,bparasite_nrf52833"; chosen { zephyr,sram = &sram0; zephyr,flash = &flash0; zephyr,code-partition = &slot0_partition; zephyr,ieee802154 = &ieee802154; }; zephyr,user { io-channels = <&adc 0>, <&adc 2>; }; leds { compatible = "gpio-leds"; led0: led_0 { // P0.28. gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>; }; }; buttons { compatible = "gpio-keys"; button0: button_0 { // P0.30. gpios = <&gpio0 30 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>; label = "Push button SW1"; }; }; soil_pwm: soil_pwm { compatible = "pwm-fixed"; pwms = <&pwm0 0 PWM_USEC(2) PWM_POLARITY_NORMAL>; pulse = ; }; soil_calibration_coeffs: soil_calibration_coeffs { compatible = "soil-calibration-coeffs"; dry = <306000 101000 (-11700)>; wet = <19000 (-4980) 3420>; }; ctrl { compatible = "gpio-keys"; fast_disch: fast_disch { // P0.25. gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>; label = "Fast discharge circuitry"; }; }; }; &gpiote { status = "okay"; }; &gpio0 { status = "okay"; // For low-power EDGE interrupts. // See github.com/zephyrproject-rtos/zephyr/issues/28499. sense-edge-mask = <0xffffffff>; }; &gpio1 { status = "okay"; }; &ieee802154 { status = "okay"; }; &uart0 { compatible = "nordic,nrf-uart"; status = "disabled"; current-speed = <115200>; pinctrl-0 = <&uart0_default>; pinctrl-1 = <&uart0_sleep>; pinctrl-names = "default", "sleep"; }; &i2c0 { compatible = "nordic,nrf-twi"; status = "okay"; pinctrl-0 = <&i2c0_default>; pinctrl-1 = <&i2c0_sleep>; pinctrl-names = "default", "sleep"; shtc3: shtc3@70 { compatible = "i2c-device"; reg = <0x70>; label = "SHTC3"; }; }; &pwm0 { status = "okay"; pinctrl-0 = <&pwm0_default>; pinctrl-1 = <&pwm0_sleep>; pinctrl-names = "default", "sleep"; }; &adc { #address-cells = <1>; #size-cells = <0>; status = "ok"; // Soil. channel@0 { reg = <0>; zephyr,gain = "ADC_GAIN_1_6"; zephyr,reference = "ADC_REF_VDD_1_4"; zephyr,acquisition-time = ; // P0.03. zephyr,input-positive = ; zephyr,resolution = <10>; }; // Battery. channel@2 { reg = <2>; zephyr,gain = "ADC_GAIN_1_6"; zephyr,reference = "ADC_REF_INTERNAL"; zephyr,acquisition-time = ; zephyr,input-positive = ; zephyr,resolution = <10>; }; }; &flash0 { partitions { compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <1>; boot_partition: partition@0 { label = "mcuboot"; reg = <0x000000000 0xC000>; }; slot0_partition: partition@c000 { label = "image-0"; reg = <0x0000C000 0x32000>; }; slot1_partition: partition@3e000 { label = "image-1"; reg = <0x0003E000 0x32000>; }; scratch_partition: partition@70000 { label = "image-scratch"; reg = <0x00070000 0xA000>; }; storage_partition: partition@7a000 { label = "storage"; reg = <0x0007A000 0x00006000>; }; }; };