Read temperature command works

prosjekt.X/command-handler.c

@@ -138,7 +138,32 @@ uint8_t route_command(int pos) {
     case READ_CONFIG:
       return READ_CONFIG;
     case READ_VOLTAGE:
-      return READ_VOLTAGE;
+    {
+        // Create a union to store the data
+        union {
+            int16_t v;
+            uint8_t bytes[2];
+        } voltage;
+        
+        // Figure out which voltage source to read
+        switch (context.src_voltage) {
+            case SRC_INTERNAL:
+                voltage.v = internal_voltage_read();
+                break;
+            case SRC_EXTRNAL:
+                voltage.v = external_voltage_read();
+                break;
+            case SRC_THERMISTOR:
+                voltage.v = thermistor_voltage_read();
+                break;
+            default:
+                return 0xFF;
+                break;
+        }
+        
+        // Send the data
+        return voltage.bytes[pos];
+    }
     case READ_TERMPERATURE:
     {
         uint16_t v_therm = thermistor_voltage_read();