ADC까지, 신호 확인 필요(반사 신호 약함 or 뒤쪽을 찍고 있음)

2026-05-08 18:09:04 +09:00
parent 17a78d4418
commit d7c5b34da3
23 changed files with 1992 additions and 83 deletions
@@ -0,0 +1 @@
+CONFIG_BT_CTLR_TX_PWR_PLUS_8=y
@@ -26,22 +26,27 @@
 };

 /* I2C0 핀 재설정: ICM42670P IMU (SCL=P1.14, SDA=P1.15) */
-&i2c0_default {
-	group1 {
+&i2c0_default
+{
+	group1
+	{
 		psels = <NRF_PSEL(TWIM_SCL, 1, 14)>,
 		        <NRF_PSEL(TWIM_SDA, 1, 15)>;
 	};
 };

-&i2c0_sleep {
-	group1 {
+&i2c0_sleep
+{
+	group1
+	{
 		psels = <NRF_PSEL(TWIM_SCL, 1, 14)>,
 		        <NRF_PSEL(TWIM_SDA, 1, 15)>;
 		low-power-enable;
 	};
 };

-&i2c0 {
+&i2c0
+{
 	status = "okay";
 	clock-frequency = <I2C_BITRATE_STANDARD>;
 };
@@ -128,5 +133,79 @@
 			gpios = <&gpio1 8 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
 			label = "Power Button";
 		};
+
+		/* 피에조 TX/RX 전원 레일 제어 (TMP235 온도센서도 이 레일 공유)
+		 * HIGH = 전원 ON, LOW = 전원 OFF */
+		PIEZO_PWR: PIEZO_PWR
+		{
+			gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
+			label = "Piezo Power Enable";
+		};
+
+		PIEZO_PE: PIEZO_PE
+		{
+			gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>;
+			label = "Piezo Pulse Enable";
+		};
+
+		PIEZO_P_OUT: PIEZO_P_OUT
+		{
+			gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
+			label = "Piezo P Out";
+		};
+
+		PIEZO_N_OUT: PIEZO_N_OUT
+		{
+			gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
+			label = "Piezo N Out";
+		};
+
+		PIEZO_DMP: PIEZO_DMP
+		{
+			gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+			label = "Piezo Dump";
+		};
+
+		MUX_EN_A: MUX_EN_A
+		{
+			gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
+			label = "Mux Enable A";
+		};
+
+		MUX_EN_B: MUX_EN_B
+		{
+			gpios = <&gpio0 23 GPIO_ACTIVE_HIGH>;
+			label = "Mux Enable B";
+		};
+
+		MUX_SEL0: MUX_SEL0
+		{
+			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+			label = "Mux Select 0";
+		};
+
+		MUX_SEL1: MUX_SEL1
+		{
+			gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>;
+			label = "Mux Select 1";
+		};
+
+		ECHO_SCLK: ECHO_SCLK
+		{
+			gpios = <&gpio0 14 0>;
+			label = "Echo ADC SCLK";
+		};
+
+		ECHO_MISO: ECHO_MISO
+		{
+			gpios = <&gpio0 15 0>;
+			label = "Echo ADC MISO";
+		};
+
+		ECHO_CS: ECHO_CS
+		{
+			gpios = <&gpio0 19 GPIO_ACTIVE_LOW>;
+			label = "Echo ADC CS";
+		};
 	};
 };
@@ -0,0 +1,130 @@
+/*
+ * VesiScan BASIC - nRF5340 DK application core overlay
+ *
+ * Keeps the same external signal mapping used by the nRF52840 build:
+ *   POWER_HOLD:   P0.08
+ *   POWER_BTN:    P1.08
+ *   LED_BLE:      P0.12
+ *   LED_ORANGE:   P0.29
+ *   BATT_ADC:     P0.04
+ *   TEMP_ADC:     P0.05
+ *   IMU_SCL:      P1.14
+ *   IMU_SDA:      P1.15
+ */
+
+#include <zephyr/dt-bindings/adc/adc.h>
+#include <zephyr/dt-bindings/adc/nrf-saadc.h>
+#include <zephyr/dt-bindings/pinctrl/nrf-pinctrl.h>
+
+&pinctrl
+{
+	i2c0_default: i2c0_default
+	{
+		group1
+		{
+			psels = <NRF_PSEL(TWIM_SCL, 1, 14)>,
+			        <NRF_PSEL(TWIM_SDA, 1, 15)>;
+		};
+	};
+
+	i2c0_sleep: i2c0_sleep
+	{
+		group1
+		{
+			psels = <NRF_PSEL(TWIM_SCL, 1, 14)>,
+			        <NRF_PSEL(TWIM_SDA, 1, 15)>;
+			low-power-enable;
+		};
+	};
+};
+
+&i2c0
+{
+	status = "okay";
+	clock-frequency = <I2C_BITRATE_STANDARD>;
+	pinctrl-0 = <&i2c0_default>;
+	pinctrl-1 = <&i2c0_sleep>;
+	pinctrl-names = "default", "sleep";
+};
+
+&adc
+{
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	channel@0
+	{
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1_6";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME(ADC_ACQ_TIME_MICROSECONDS, 40)>;
+		zephyr,input-positive = <NRF_SAADC_AIN0>;
+		zephyr,resolution = <12>;
+		zephyr,oversampling = <2>;
+	};
+
+	channel@1
+	{
+		reg = <1>;
+		zephyr,gain = "ADC_GAIN_1_6";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME(ADC_ACQ_TIME_MICROSECONDS, 40)>;
+		zephyr,input-positive = <NRF_SAADC_AIN1>;
+		zephyr,resolution = <12>;
+		zephyr,oversampling = <2>;
+	};
+};
+
+&arduino_adc
+{
+	status = "disabled";
+};
+
+/ {
+	zephyr,user
+	{
+		io-channels = <&adc 0>, <&adc 1>;
+		io-channel-names = "battery", "temperature";
+	};
+
+	led
+	{
+		compatible = "gpio-leds";
+
+		LED_BLE: LED_BLE
+		{
+			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+			label = "Green LED";
+		};
+
+		FUNCTION_LED: FUNCTION_LED
+		{
+			gpios = <&gpio0 29 GPIO_ACTIVE_LOW>;
+			label = "Orange LED";
+		};
+	};
+
+	pin
+	{
+		compatible = "gpio-keys";
+
+		PWR_HOLD: PWR_HOLD
+		{
+			gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+			label = "Power Hold Latch";
+		};
+
+		BUTTON_CHECK: BUTTON_CHECK
+		{
+			gpios = <&gpio1 8 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "Power Button";
+		};
+
+		PIEZO_PWR: PIEZO_PWR
+		{
+			gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
+			label = "Piezo Power Enable";
+		};
+	};
+};