               #ifdef DEBUG
                 Serial.write("current command is=");
                 Serial.write(tmp_str);
+                Serial.println();
               #endif
 
               if (current_buffer[i] == 'M' || current_buffer[i] == 'm'){// moves motor

      #ifdef DEBUG
        Serial.write("initial buffer is=");
        Serial.write(current_buffer);
      #endif
      
      // parse from the beginning until I find a M, D, S or A


char is_command_running;

char firmware_version[] = "2015.11.11.3";

AccelStepper *steppers[num_motors];

