added a start and end value to the detectorStart() method, with default values; This range shouldnt be hard coded

Author: gigapod

src/sfTk/sfDevXM125Presence.cpp

@@ -32,7 +32,7 @@ sfTkError_t sfDevXM125Presence::begin(sfTkII2C *theBus)
     return ksfTkErrOk;
 }
 //-------------------------------------------------------------------------
-sfTkError_t sfDevXM125Presence::presenceDetectorStart()
+sfTkError_t sfDevXM125Presence::presenceDetectorStart(uint32_t startValue, uint32_t endValue)
 {
     // *** Presence Sensor Setup ***
     uint32_t errorStatus = 0;
@@ -51,13 +51,13 @@ sfTkError_t sfDevXM125Presence::presenceDetectorStart()
         return 3;
 
     // Set Presence Start register
-    if (setPresenceStart(300) != ksfTkErrOk)
+    if (setPresenceStart(startValue) != ksfTkErrOk)
         return 4;
 
     sftk_delay_ms(100); // give time for command to set
 
     // Set End register
-    if (setPresenceEnd(2500) != ksfTkErrOk)
+    if (setPresenceEnd(endValue) != ksfTkErrOk)
         return 5;
 
     sftk_delay_ms(100); // give time for command to set

src/sfTk/sfDevXM125Presence.h

@@ -246,8 +246,10 @@ class sfDevXM125Presence : public sfDevXM125Core
     sfTkError_t begin(sfTkII2C *theBus = nullptr) override;
     /// @brief This function sets all the beginning values for a basic I2C
     ///  example to be run on the device for presence sensing.
+    /// @param start Start value for presence sensing in mm  - default value is 1000
+    /// @param end End value for presence sensing in mm - default value is 5000
     /// @return ksfTkErrOk on success, or error code (value < -1)
-    sfTkError_t presenceDetectorStart();
+    sfTkError_t presenceDetectorStart(uint32_t start = 1000, uint32_t end = 5000);
 
     /// @brief This function returns the presence value of the register
     ///  with all the checks in place as per the I2C Datasheet.