add V1 Presence class for backward compat

Author: gigapod

src/SparkFun_Qwiic_XM125_Arduino_Library.h

@@ -25,6 +25,7 @@
 
 // To support version 1.* API 
 #include "sfTk/sfDevXM125DistanceV1.h"
+#include "sfTk/sfDevXM125PresenceV1.h"
 // clang-format on
 
 #include <Arduino.h>
@@ -163,6 +164,53 @@ class SparkFunXM125DistanceV1 : public sfDevXM125DistanceV1
         return _i2cBus.ping() == ksfTkErrOk;
     }
 
+  private:
+    // I2C bus class
+    sfTkArdI2C _i2cBus;
+};
+
+/**
+ * @class SparkFunXM125Presence
+ * @brief Arduino class for the SparkFun Pulsed Coherent Radar Sensor - Acconeer XM125 (Qwiic) for presence detection.
+ *
+ *  This class is to provide Version 1 compatibility for the SparkFun Pulsed Coherent Radar Sensor - presence detection.
+ * 
+ * This class provides methods for initializing the sensor, checking connection status, and configuring the device
+ * for presence detection using I2C communication.
+ */
+class SparkFunXM125PresenceV1 : public sfDevXM125PresenceV1
+{
+  public:
+    SparkFunXM125PresenceV1()
+    {
+    }
+
+    /**
+     * @brief Sets up Arduino I2C driver using the specified I2C address then calls the super class begin.
+     *
+     * @param deviceAddress Address of the I2C device. Default is SFE_XM125_I2C_ADDRESS.
+     * @param wirePort Wire port of the I2C device. Default is Wire.
+     * @return True if successful, false otherwise.
+     */
+    bool begin(uint8_t deviceAddress = SFE_XM125_I2C_ADDRESS, TwoWire &wirePort = Wire)
+    {
+        // Give the I2C port provided by the user to the I2C bus class.
+        _i2cBus.init(wirePort, deviceAddress);
+
+        // Initialize the system - return results
+        return this->sfDevXM125PresenceV1::begin(&_i2cBus) == ksfTkErrOk;
+    }
+
+    /**
+     * @brief Checks if the device is connected.
+     *
+     * @return True if the sensor is connected, false otherwise.
+     */
+    bool isConnected()
+    {
+        return _i2cBus.ping() == ksfTkErrOk;
+    }
+
   private:
     // I2C bus class
     sfTkArdI2C _i2cBus;