Updating loaders and fixing transfer

examples/LinkCard_demo/#loader/src/link.h

@@ -72,8 +72,6 @@ inline void acknowledgeSerialInterrupt() {
 // ---
 
 bool send(u16 data, CancelCallback cancel) {
-  setData(data);
-
   while (!didSerialInterruptOccur()) {
     if (cancel())
       return false;
@@ -81,6 +79,7 @@ bool send(u16 data, CancelCallback cancel) {
   acknowledgeSerialInterrupt();
   if (assignedPlayerId() != 1)
     return false;
+  setData(data);
 
   return true;
 }