Working DT ADC sample WITHOUT resistor divider

2025-07-07 12:32:53 +02:00
parent 2c21f1f9cb
commit dcb73c0a25
10 changed files with 264 additions and 88 deletions
--- a/software/apps/adc_dt/socs/esp32_procpu.overlay
+++ b/software/apps/adc_dt/socs/esp32_procpu.overlay
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2022 Wolter HV <wolterhv@gmx.de>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	zephyr,user {
+		io-channels = <&adc0 0>;
+	};
+};
+
+&adc0 {
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	channel@0 {
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1_4";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+};