added get serial number

Author: gbr1

src/Arduino_AlvikCarrier.cpp

@@ -892,4 +892,21 @@ bool Arduino_AlvikCarrier::isLifted(){
     else{
         return false;
     }
+}
+
+
+
+/******************************************************************************************************/
+/*                                             Utilities                                              */
+/******************************************************************************************************/
+
+void Arduino_AlvikCarrier::getSerialNumber(char * sn){
+  uint32_t id[3];
+  id[0] = HAL_GetUIDw0();
+  id[1] = HAL_GetUIDw1();
+  id[2] = HAL_GetUIDw2();
+  uint32_t top = id[0]+id[2];
+  uint16_t bottom = (id[1]&0xFFFF0000)>>16;
+  sprintf(sn,"%08lx", top);
+  sprintf(sn+8,"%x",bottom);
 }

src/Arduino_AlvikCarrier.h

@@ -249,6 +249,11 @@ class Arduino_AlvikCarrier{
         void updateBehaviours();
         void setBehaviour(const uint8_t behaviour, const bool enable);
         bool isLifted();
+
+
+        // Utilities
+        void getSerialNumber(char * sn);                                                // get STM32 serial number
+
 };
 
 #endif