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software/include/lib/adc_sensor.h

@@ -34,13 +34,34 @@ int adc_sensor_init(void);
 uint16_t adc_sensor_get_voltage_mv(void);
 
 /**
- * @brief Gets the current motor current reading.
+ * @brief Gets the current motor current reading (legacy function).
  *
- * This function reads the value from the motor driver's sense pin via ADC
- * and converts it to milliamps. This is used for end-stop detection.
+ * This function reads the current from the opening channel (IN0).
+ * For backward compatibility only. Use adc_sensor_get_current_open_ma()
+ * instead.
  *
  * @return The motor current in milliamps (mA).
  */
 uint16_t adc_sensor_get_current_ma(void);
 
+/**
+ * @brief Gets the motor opening current reading (IN0 current sense).
+ *
+ * This function reads the current from the VND7050AJ IN0 current sense channel.
+ * Used for monitoring valve opening current.
+ *
+ * @return The motor opening current in milliamps (mA).
+ */
+uint16_t adc_sensor_get_current_open_ma(void);
+
+/**
+ * @brief Gets the motor closing current reading (IN1 current sense).
+ *
+ * This function reads the current from the VND7050AJ IN1 current sense channel.
+ * Used for monitoring valve closing current.
+ *
+ * @return The motor closing current in milliamps (mA).
+ */
+uint16_t adc_sensor_get_current_close_ma(void);
+
 #endif /* ADC_SENSOR_H */

software/include/lib/modbus_server.h

@@ -23,9 +23,13 @@ enum {
    */
   REG_INPUT_VALVE_STATE_MOVEMENT = 0x0000,
   /**
-   * @brief Aktueller Motorstrom in Milliampere (mA).
+   * @brief Motorstrom beim Öffnen in Milliampere (mA) - IN0 current sense.
    */
-  REG_INPUT_MOTOR_CURRENT_MA = 0x0001,
+  REG_INPUT_MOTOR_OPEN_CURRENT_MA = 0x0001,
+  /**
+   * @brief Motorstrom beim Schließen in Milliampere (mA) - IN1 current sense.
+   */
+  REG_INPUT_MOTOR_CLOSE_CURRENT_MA = 0x0002,
   /**
    * @brief Bitmaske der digitalen Eingänge. Bit 0: Eingang 1, Bit 1: Eingang 2.
    * 1=Aktiv.