Krupski:
johnwasser:
Do you have Serial Monitor set to send a newline at then end of each line you send? The example code is expecting the newline.I think step one for any serial debugging is to use a real terminal program. The Arduino serial monitor is seriously broken.
It doesn't support ANSI codes or simple codes (like ctrl-l) to clear the screen and it doesn't support carriage returns.
For example, try to write a program that constantly updates the SAME line by sending a CR only, then re-writing it... can't do that with the Arduino serial monitor.
It also is unreliable at 115K baud (and I know it's not my machine because I can do reliable 460800 baud with Minicom (linux) or Hyperterminal (Windows)).
I learned to hate the Arduino serial monitor when I tried to use it debugging a simple menu program. I couldn't clear the screen and write a new page. I thought I was making mistakes. I wasted almost a week searching Google and (re)reading printf formatting codes to figure out what "I" was doing wrong.
Then I tried Minicom (Linux) and it all worked fine.
I've since ditched the Arduino IDE altogether and simply compile my code (I mean "sketches") with AVR-GCC and a "universal" makefile.
Much easier... and I don't need that foolish "setup" and "loop" thing either.
THANK YOU! I went through the same issue! Serial.Print("whatever \r") does not work!!!!
can you suggest a serious terminal for win7?
I have the same problem on the LCD I am using the 2.2 TFT LCD display from Adafriut (Overview | 2.2" TFT Display | Adafruit Learning System) with
Adafruit_HX8340B libraries : I was not able to have the cursor stay on the same line, then I used the display.setCursor(0,0) command, and print the line again, but the LCD overwrites the characters, without clearing the previous ones, creating a mess...
Do you have an idea on how to clear a character or a line?