pNexus
5492a98687
基于 V1 副本新建 V2 工程，包含 CMakeLists.txt、Kconfig、prj.conf、 app.overlay、README.md 及 ADS1256/GML670 参考数据手册。 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
67 lines
1.5 KiB
Plaintext
67 lines
1.5 KiB
Plaintext
/*
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* Copyright (c) 2022 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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/*
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* nRF5340 DK (App Core) Overlay for ADS1256
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* 仅保留 SPI 和 GPIO 定义
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*/
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&spi1 {
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compatible = "nordic,nrf-spim";
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status = "okay";
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pinctrl-0 = <&spi1_default>;
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pinctrl-1 = <&spi1_sleep>;
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pinctrl-names = "default", "sleep";
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/* CS 引脚配置 */
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cs-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
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ads1256: ads1256@0 {
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compatible = "ti,ads1256";
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reg = <0>;
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spi-max-frequency = <1000000>;
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};
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};
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&pinctrl {
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spi1_default: spi1_default {
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group1 {
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psels = <NRF_PSEL(SPIM_SCK, 1, 15)>,
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<NRF_PSEL(SPIM_MOSI, 1, 13)>,
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<NRF_PSEL(SPIM_MISO, 1, 14)>;
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};
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};
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spi1_sleep: spi1_sleep {
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group1 {
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psels = <NRF_PSEL(SPIM_SCK, 1, 15)>,
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<NRF_PSEL(SPIM_MOSI, 1, 13)>,
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<NRF_PSEL(SPIM_MISO, 1, 14)>;
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low-power-enable;
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};
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};
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};
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/ {
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aliases {
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ads-cs = &ads_cs_pin;
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ads-drdy = &ads_drdy_pin;
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ads-reset = &ads_reset_pin;
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};
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ads1256_control {
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compatible = "gpio-keys";
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ads_cs_pin: ads_cs {
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gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
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};
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ads_drdy_pin: ads_drdy {
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gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
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};
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ads_reset_pin: ads_reset {
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gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
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};
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};
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};
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