adding the data transfer commands

src/communication/commands.h

@@ -10,7 +10,8 @@ typedef enum : uint8_t {
     CmdCreateWindow = 3,
     CmdDestroyWindow = 4,
     CmdUpdateWinDims = 5, // NOTE: change this to a move cmd instead
-    CmdUpdateWin = 6
+    CmdUpdateWin = 6,
+    CMDData = 7,
 } Command;
 
 char* CommandToStr(Command id);

src/main.cpp

@@ -160,6 +160,15 @@ void loop(void) {
 
         break;
       }
+      case CMDData: {
+        // Data groups of: windowData {
+        //   idx  int16 4  bytes
+        //   data char* 32 bytes
+        // }
+        // Packet will be: Data {
+        //   [windowData]
+        // }
+      }
       default:
         LOG_WARN(F("Command: `%s` has not been implemented yet."), CommandToStr(cmd));
     }