feat(gml670-v2): 添加工程骨架与构建配置

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>
2026-04-30 17:36:39 +08:00
commit 5492a98687
9 changed files with 655 additions and 0 deletions
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+/*
+ * Copyright (c) 2022 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/*
+ * nRF5340 DK (App Core) Overlay for ADS1256
+ * 仅保留 SPI 和 GPIO 定义
+ */
+
+&spi1 {
+    compatible = "nordic,nrf-spim";
+    status = "okay";
+    pinctrl-0 = <&spi1_default>;
+    pinctrl-1 = <&spi1_sleep>;
+    pinctrl-names = "default", "sleep";
+    
+    /* CS 引脚配置 */
+    cs-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
+
+    ads1256: ads1256@0 {
+        compatible = "ti,ads1256";
+        reg = <0>;
+        spi-max-frequency = <1000000>;
+    };
+};
+
+&pinctrl {
+    spi1_default: spi1_default {
+        group1 {
+            psels = <NRF_PSEL(SPIM_SCK, 1, 15)>,
+                    <NRF_PSEL(SPIM_MOSI, 1, 13)>,
+                    <NRF_PSEL(SPIM_MISO, 1, 14)>;
+        };
+    };
+    spi1_sleep: spi1_sleep {
+        group1 {
+            psels = <NRF_PSEL(SPIM_SCK, 1, 15)>,
+                    <NRF_PSEL(SPIM_MOSI, 1, 13)>,
+                    <NRF_PSEL(SPIM_MISO, 1, 14)>;
+            low-power-enable;
+        };
+    };
+};
+
+/ {
+    aliases {
+        ads-cs    = &ads_cs_pin;
+        ads-drdy  = &ads_drdy_pin;
+        ads-reset = &ads_reset_pin;
+    };
+
+    ads1256_control {
+        compatible = "gpio-keys";
+        ads_cs_pin: ads_cs {
+            gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
+        };
+        ads_drdy_pin: ads_drdy {
+            gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+        };
+        ads_reset_pin: ads_reset {
+            gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
+        };
+    };
+};