added new relay management for new release

Author: Rocketct

src/Arduino_MKRIoTCarrier_Relay.cpp

@@ -19,11 +19,34 @@
 
 
 #include "Arduino_MKRIoTCarrier_Relay.h"
+#include "MKRIoTCarrierDefines.h"
 
-MKRIoTCarrier_Relay::MKRIoTCarrier_Relay(int pin):_pin{pin}
+MKRIoTCarrier_Relay::MKRIoTCarrier_Relay(int index, getRev_t getRev):_index{index}
 {
+    board_revision = getRev;
 }
 void MKRIoTCarrier_Relay::begin(){
+    
+    _revision = board_revision();
+    
+    if(_revision == BOARD_REVISION_1) 
+    {
+        if(_index == 1) {
+            _pin = mkr_iot_carrier_rev1::RELAY1;
+        }
+        else if(_index == 2) {
+            _pin = mkr_iot_carrier_rev1::RELAY2;
+        }
+    }
+    else {
+        /*carrier's revision 2 with pull down on AREF */
+        if(_index == 1) {
+            _pin = mkr_iot_carrier_rev2::RELAY1;
+        }
+        else if(_index == 2) {
+            _pin = mkr_iot_carrier_rev2::RELAY2;
+        }
+    }
     pinMode(_pin ,OUTPUT);
     close();
 }
@@ -44,7 +67,6 @@ void MKRIoTCarrier_Relay::open(){
 }
 
 int MKRIoTCarrier_Relay::getStatus(){
-    //Serial.println("status");
-    //Serial.println(_status , BIN);
+    
     return (int)_status;
 }

src/Arduino_MKRIoTCarrier_Relay.h

@@ -22,19 +22,23 @@
 #define ARDUINO_MKRIoTCarrier_Relay
 
 #include "Arduino.h"
+using getRev_t = int (*)();
 
 class MKRIoTCarrier_Relay{
     public: 
-    MKRIoTCarrier_Relay(int pin);
+    MKRIoTCarrier_Relay(int index, getRev_t getRev);
     void begin();
     void open();
     void close();
     int getPin();
     int getStatus();
 
     private:
-    const int _pin;
+    int _pin;
     int _status;
+    int _index;
+    int (*board_revision)(void);
+    int _revision;
 };
 
 #endif