Arduino Simulink Analog input

I AM USING A AUDRINO ANALOG INPUT PIN TO DISPLAY A VOLTAGE. WHEN I RUN THE MODEL ON TARGETED HARDWARE I ENDED UP GETTING ZERO. CAN ANY ONE HELP ME...

Answer 1

[Rolfe Dlugy-Hegwer]

Hi Anil, It sounds like you clicked the Run (green triangle) button, which simulates the model on your host computer. Try clicking the Deploy to Hardware button instead. See http://www.mathworks.com/help/simulink/ug/run-model-on-arduino-hardware.html

[anil]

HI Rolfe Dlugy-Hegwer, thank you for your response. i actually run the model on the targeted hardware. and now i also tried the deploy option, i am getting the same response. endedup getting zero. My Arduino board not even transmitting the data to the lap. i checked the same circuit in the arduino software. i am getting the output on the serial monitor and as you know transmitting led is glowing. this is what i am doing i take the analog input block with the analog pin 4 and connecting it to the display and scope then i prepare to run the model then i run the model using run button or deploy button. then simulink says model successfully downloaded into arduino uno board but my display block showing me zero.

[Terry Ramsey]

I'm having exact same problem. Any input would be greatly appreciated.

[Terry Ramsey]

my blocks being used are: Analog Input (pin 0). I have pin 0 on arduino connected to an analog input(a potentiometer with 0-5V in this case). Sample time = 0.5. A Display block. Short format. Decimation = 1. They are connected together.

Not sure why this isnt working.

[anil]

HI Terry Ramsey, the external mode isn't work on the arduino uno. it will run on the arduino mega. they say uno doesn't have enough memory to perform in external mode.

i got this from matlab virtual seminor.

Answer 2

[zeghib okba]

Hi Anil, the problem may be doing from 2 things:

1- you should be using arduino mega2560 for display a voltage.

2- You may be inverted the signal, because arduino is not accepted negative signal.

Answer 3

[Tal Dachlika]

I had the same problem with arduino uno and I fixed it, just change the mode to external: simulation->mode-> external.

[Quang Huy]

I had the same problem with arduino uno. I tried it the way you do but not sucessfull.