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snippets: Add ArduinoCore snippet
This snippet configure boards to support ArduinoCore API. Signed-off-by: TOKITA Hiroshi <[email protected]>
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‎snippets/arduino_core/README.rst‎

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.. _arduino_core:
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ArduinoCore: universal snippet for ArduinoCore
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##############################################
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Overview
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********
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This snippet will enable the necessary settings for ArduinoCore.
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Programming
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***********
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Correct snippet designation for ArduinoCore must
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be entered when you invoke ``west build``.
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For example:
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.. code-block:: console
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west build -b arduino_nano_33_ble -S arduino_core <sample directory>

‎snippets/arduino_core/arduino_core.conf‎

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CONFIG_ARDUINO_API=y

‎snippets/arduino_core/boards/arduino_mkrzero_samd21g18a.overlay‎

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/*
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* Copyright (c) 2022 Dhruva Gole <[email protected]>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/dt-bindings/adc/adc.h>
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/ {
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zephyr,user {
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digital-pin-gpios = <&arduino_mkr_header 0 0>,
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<&arduino_mkr_header 1 0>,
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<&arduino_mkr_header 2 0>,
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<&arduino_mkr_header 3 0>,
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<&arduino_mkr_header 4 0>,
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<&arduino_mkr_header 5 0>,
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<&arduino_mkr_header 6 0>,
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<&arduino_mkr_header 7 0>,
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<&arduino_mkr_header 8 0>,
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<&arduino_mkr_header 9 0>,
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<&arduino_mkr_header 10 0>,
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<&arduino_mkr_header 11 0>,
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<&arduino_mkr_header 12 0>,
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<&arduino_mkr_header 13 0>,
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<&arduino_mkr_header 14 0>, /* D14 / A0 */
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<&arduino_mkr_header 15 0>,
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<&arduino_mkr_header 16 0>,
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<&arduino_mkr_header 17 0>,
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<&arduino_mkr_header 18 0>, /* D18 / A4 / I2C-SDA */
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<&arduino_mkr_header 19 0>, /* D19 / A5 / I2C-SCL */
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<&arduino_mkr_header 20 0>,
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<&arduino_mkr_header 21 0>,
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<&portb 8 0>;
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pwm-pin-gpios = <&arduino_mkr_header 2 0>,
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<&arduino_mkr_header 3 0>;
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adc-pin-gpios = <&arduino_mkr_header 15 0>,
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<&arduino_mkr_header 16 0>,
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<&arduino_mkr_header 17 0>,
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<&arduino_mkr_header 18 0>,
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<&arduino_mkr_header 19 0>,
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<&arduino_mkr_header 20 0>,
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<&arduino_mkr_header 21 0>;
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pwms = <&tcc0 2 255>,
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<&tcc0 3 255>;
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io-channels = <&adc 0>,
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<&adc 10>,
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<&adc 11>,
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<&adc 4>,
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<&adc 5>,
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<&adc 6>,
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<&adc 7>;
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gpio-ports = <&porta>, <&portb>;
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serials = <&sercom5>;
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i2cs = <&sercom0>;
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};
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};
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&pinctrl {
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pwm_default: pwm_default {
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group1 {
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pinmux = <PA10F_TCC0_WO2>,
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<PA11F_TCC0_WO3>;
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};
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};
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adc_default: adc_default {
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group1 {
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pinmux = <PA2B_ADC_AIN0>,
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<PB2B_ADC_AIN10>,
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<PB3B_ADC_AIN11>,
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<PA4B_ADC_AIN4>,
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<PA5B_ADC_AIN5>,
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<PA6B_ADC_AIN6>,
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<PA7B_ADC_AIN7>;
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};
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};
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};
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&tcc0 {
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status = "okay";
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compatible = "atmel,sam0-tcc-pwm";
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prescaler = <2>;
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#pwm-cells = <2>;
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pinctrl-0 = <&pwm_default>;
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pinctrl-names = "default";
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};
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&adc {
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status = "okay";
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pinctrl-0 = <&adc_default>;
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pinctrl-names = "default";
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#address-cells = <1>;
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#size-cells = <0>;
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channel@0 {
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reg = <0x0>;
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zephyr,gain = "ADC_GAIN_1";
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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,resolution = <10>;
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zephyr,input-positive = <0>;
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};
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channel@4 {
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reg = <0x4>;
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zephyr,gain = "ADC_GAIN_1";
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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,resolution = <10>;
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zephyr,input-positive = <4>;
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};
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channel@5 {
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reg = <0x5>;
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zephyr,gain = "ADC_GAIN_1";
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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,resolution = <10>;
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zephyr,input-positive = <5>;
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};
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channel@6 {
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reg = <0x6>;
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zephyr,gain = "ADC_GAIN_1";
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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,resolution = <10>;
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zephyr,input-positive = <6>;
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};
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channel@7 {
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reg = <0x7>;
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zephyr,gain = "ADC_GAIN_1";
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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,resolution = <10>;
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zephyr,input-positive = <7>;
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};
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channel@a {
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reg = <0xa>;
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zephyr,gain = "ADC_GAIN_1";
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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,resolution = <10>;
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zephyr,input-positive = <10>;
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};
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channel@b {
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reg = <0xb>;
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zephyr,gain = "ADC_GAIN_1";
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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,resolution = <10>;
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zephyr,input-positive = <11>;
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};
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};

‎snippets/arduino_core/boards/arduino_nano_33_ble_nrf52840.overlay‎

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/ {
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zephyr,user {
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digital-pin-gpios = <&arduino_nano_header 0 0>,
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<&arduino_nano_header 1 0>,
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<&arduino_nano_header 2 0>,
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<&arduino_nano_header 3 0>,
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<&arduino_nano_header 4 0>,
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<&arduino_nano_header 5 0>,
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<&arduino_nano_header 6 0>,
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<&arduino_nano_header 7 0>,
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<&arduino_nano_header 8 0>,
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<&arduino_nano_header 9 0>,
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<&arduino_nano_header 10 0>,
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<&arduino_nano_header 11 0>,
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<&arduino_nano_header 12 0>,
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<&arduino_nano_header 13 0>,
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<&arduino_nano_header 14 0>, /* D14 / A0 */
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<&arduino_nano_header 15 0>,
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<&arduino_nano_header 16 0>,
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<&arduino_nano_header 17 0>,
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<&arduino_nano_header 18 0>, /* D18 / A4 / I2C-SDA */
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<&arduino_nano_header 19 0>, /* D19 / A5 / I2C-SCL */
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<&arduino_nano_header 20 0>,
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<&arduino_nano_header 21 0>;
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pwm-pin-gpios = <&arduino_nano_header 3 0>,
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<&arduino_nano_header 5 0>,
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<&arduino_nano_header 6 0>,
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<&arduino_nano_header 13 0>,
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<&arduino_nano_header 9 0>,
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<&arduino_nano_header 10 0>,
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<&arduino_nano_header 11 0>;
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adc-pin-gpios = <&arduino_nano_header 14 0>,
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<&arduino_nano_header 15 0>,
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<&arduino_nano_header 16 0>,
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<&arduino_nano_header 17 0>,
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<&arduino_nano_header 18 0>,
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<&arduino_nano_header 19 0>,
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<&arduino_nano_header 20 0>,
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<&arduino_nano_header 21 0>;
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pwms = <&pwm1 1 255 PWM_POLARITY_NORMAL>,
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<&pwm1 2 255 PWM_POLARITY_NORMAL>,
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<&pwm1 3 255 PWM_POLARITY_NORMAL>,
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<&pwm2 0 255 PWM_POLARITY_NORMAL>,
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<&pwm2 1 255 PWM_POLARITY_NORMAL>,
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<&pwm2 2 255 PWM_POLARITY_NORMAL>,
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<&pwm2 3 255 PWM_POLARITY_NORMAL>;
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io-channels = <&adc 2>,
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<&adc 3>,
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<&adc 6>,
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<&adc 5>,
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<&adc 7>,
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<&adc 0>,
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<&adc 4>,
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<&adc 1>;
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gpio-ports = <&gpio0>, <&gpio1>;
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serials = <&uart0>;
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i2cs = <&arduino_nano_i2c>;
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};
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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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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_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
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zephyr,input-positive = <NRF_SAADC_AIN0>; /* P0.02 */
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zephyr,resolution = <10>;
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};
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channel@1 {
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reg = <1>;
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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_AIN1>; /* P0.03 */
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zephyr,resolution = <10>;
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};
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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_AIN2>; /* P0.04 */
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zephyr,resolution = <10>;
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};
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channel@3 {
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reg = <3>;
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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_AIN3>; /* P0.05 */
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zephyr,resolution = <10>;
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};
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channel@4 {
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reg = <4>;
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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_AIN4>; /* P0.28 */
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zephyr,resolution = <10>;
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};
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channel@5 {
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reg = <5>;
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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_AIN5>; /* P0.29 */
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zephyr,resolution = <10>;
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};
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channel@6 {
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reg = <6>;
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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_AIN6>; /* P0.30 */
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zephyr,resolution = <10>;
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};
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channel@7 {
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reg = <7>;
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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_AIN7>; /* P0.31 */
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zephyr,resolution = <10>;
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};
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};
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&pinctrl {
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pwm1_default: pwm1_default {
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group1 {
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psels = <NRF_PSEL(PWM_OUT0, 1, 9)>, /* keep original config */
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<NRF_PSEL(PWM_OUT1, 1, 12)>,
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<NRF_PSEL(PWM_OUT2, 1, 13)>,
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<NRF_PSEL(PWM_OUT3, 1, 14)>;
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nordic,invert;
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};
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};
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pwm1_sleep: pwm1_sleep {
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group1 {
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psels = <NRF_PSEL(PWM_OUT0, 1, 9)>, /* keep original config */
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<NRF_PSEL(PWM_OUT1, 1, 12)>,
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<NRF_PSEL(PWM_OUT2, 1, 13)>,
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<NRF_PSEL(PWM_OUT3, 1, 14)>;
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low-power-enable;
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};
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};
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pwm2_default: pwm2_default {
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group1 {
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psels = <NRF_PSEL(PWM_OUT0, 0, 13)>, /* keep original config */
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<NRF_PSEL(PWM_OUT1, 0, 27)>,
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<NRF_PSEL(PWM_OUT2, 1, 2)>,
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<NRF_PSEL(PWM_OUT3, 1, 1)>;
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nordic,invert;
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};
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};
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pwm2_sleep: pwm2_sleep {
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group1 {
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psels = <NRF_PSEL(PWM_OUT0, 0, 13)>, /* keep original config */
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<NRF_PSEL(PWM_OUT1, 0, 27)>,
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<NRF_PSEL(PWM_OUT2, 1, 2)>,
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<NRF_PSEL(PWM_OUT3, 1, 1)>;
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low-power-enable;
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};
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};
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};
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&pwm1 {
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status = "okay";
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pinctrl-0 = <&pwm1_default>;
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pinctrl-1 = <&pwm1_sleep>;
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pinctrl-names = "default", "sleep";
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};
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&pwm2 {
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status = "okay";
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pinctrl-0 = <&pwm2_default>;
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pinctrl-1 = <&pwm2_sleep>;
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pinctrl-names = "default", "sleep";
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};

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