add position setpoint logic

crazyflie_groundstation/src/ccrazyflie/CCrazyflie_commands.cpp

@@ -352,6 +352,9 @@ bool CCrazyflie::parseReceivedUserCommand() {
 			else if(command.payload[0] == 3) {
 				cBuffer[0] = 10;
 			}
+			else if(command.payload[0] == 4) {
+				cBuffer[0] = 7;
+			}
 			else {
 				break;
 			}