#include <zephyr/dt-bindings/gpio/gpio.h>

/ {
    vnd7050aj: vnd7050aj {
        compatible = "vnd7050aj-valve-controller";
        status = "okay";
        
        // VND7050AJ GPIO pin definitions
        in0-gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>; // IN0 (PB7) - Input 0 control signal
        in1-gpios = <&gpiob 9 GPIO_ACTIVE_HIGH>; // IN1 (PB9) - Input 1 control signal
        rst-gpios = <&gpiob 3 GPIO_ACTIVE_HIGH>; // RST (PB3) - Reset pin for VND7050AJ
        sen-gpios = <&gpiob 4 GPIO_ACTIVE_HIGH>; // SEN (PB4) - Sense Enable for current monitoring
        s0-gpios = <&gpiob 6 GPIO_ACTIVE_HIGH>;  // S0 (PB6) - Status/Select 0 output from VND7050AJ
        s1-gpios = <&gpiob 5 GPIO_ACTIVE_HIGH>;  // S1 (PB5) - Status/Select 1 output from VND7050AJ
    };

    adc_sensors {
        compatible = "adc-sensors";
        
        supply_voltage: supply-voltage {
            compatible = "custom,supply-voltage";
            io-channels = <&adc1 1>;  /* ADC1 channel 1 (PA0) */
            io-channel-names = "voltage";
            reference-mv = <3300>;
            voltage-divider-ratio = <4>;  /* Adjust based on your voltage divider */
            sensor-mux = <&vnd7050aj>;    /* Reference to VND7050AJ mux */
            mux-channel = <3>;            /* VCC sense channel */
            measurement-delay-ms = <5>;   /* 5ms delay after GPIO setup */
        };
        
        motor_current_open: motor-current-open {
            compatible = "custom,motor-current";
            io-channels = <&adc1 1>;  /* Same ADC channel, different mux setting */
            io-channel-names = "current";
            reference-mv = <3300>;
            current-sense-resistor-mohm = <1500000>;  /* 1.5kΩ sense resistor in mΩ */
            k-factor = <10>;  /* Current sense amplification factor */
            sen-gpios = <&gpiob 4 GPIO_ACTIVE_HIGH>;  /* SEN (PB4) - enable sensor */
            s0-gpios = <&gpiob 6 GPIO_ACTIVE_HIGH>;   /* S0 (PB6) - mux select bit 0 */
            s1-gpios = <&gpiob 5 GPIO_ACTIVE_HIGH>;   /* S1 (PB5) - mux select bit 1 */
            measurement-delay-ms = <10>;  /* 10ms delay for current settling */
        };
        
        motor_current_close: motor-current-close {
            compatible = "custom,motor-current";
            io-channels = <&adc1 1>;  /* Same ADC channel, different mux setting */
            io-channel-names = "current";
            reference-mv = <3300>;
            current-sense-resistor-mohm = <1500000>;  /* 1.5kΩ sense resistor in mΩ */
            k-factor = <10>;  /* Current sense amplification factor */
            sen-gpios = <&gpiob 4 GPIO_ACTIVE_HIGH>;  /* SEN (PB4) - enable sensor */
            s0-gpios = <&gpiob 6 GPIO_ACTIVE_HIGH>;   /* S0 (PB6) - mux select bit 0 */
            s1-gpios = <&gpiob 5 GPIO_ACTIVE_HIGH>;   /* S1 (PB5) - mux select bit 1 */
            measurement-delay-ms = <10>;  /* 10ms delay for current settling */
        };
    };
};

&adc1 { // ADC1 wird für PA0 verwendet
    status = "okay"; // ADC1 aktivieren
    pinctrl-0 = <&adc1_in1_pa0>; // Pinmux für PA0 als ADC1_IN1
    pinctrl-names = "default";
    st,adc-clock-source = "SYNC";
    st,adc-prescaler = <4>;
    #address-cells = <1>;
    #size-cells = <0>;
};

&pinctrl {
    // Pinmux für PA0 als ADC1_IN1 (Analogmodus)
    adc1_in1_pa0: adc1_in1_pa0 {
        pinmux = <STM32_PINMUX('A', 0, ANALOG)>; // PA0 in den Analogmodus setzen
    };
};

&zephyr_udc0 {
	cdc_acm_uart0: cdc_acm_uart0 {
		compatible = "zephyr,cdc-acm-uart";

		modbus0 {
			compatible = "zephyr,modbus-serial";
			status = "okay";
		};
	};
};

&usart1 {
	/delete-node/ modbus0;
};