How can I create sinus wave by using TI C2000 launchpad and simulink?

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I am new to microcontrollers. I want to create sinus wave and read it with oscilloscope by using F28379D but I couldn't manage to do that. Which blocks should I use to do that?
Thanks.

Accepted Answer

Antonin
Antonin on 31 Oct 2018
Hello Batuhan,
  1. Open a blank Simulink model, go the configuration parameters (Ctrl+E) > Hardware Implementation > Select the board you are using (i.e. F28379D LaunchPad)
  2. Drag a DAC block in your model from the Simulink library browser, under Embedded Coder Support Package for TI C2000 > F2837xD
  3. Drag a sine wave source block from Simulink source blocks, double-click on the sine wave and select "Sample based" for the sine type, set the Amplitude to 2047.5, Bias 2047.5, Samples per period: 100, Sample time: .01 --> this will generate a 1Hz sine wave with 100 points oscillating from 0 to 4095, which is the range that the DAC wants.
  4. Connect the Sine wave to the DAC
  5. Make sure your board is connected to your computer and generate code for the model (Ctrl+B)
  6. Put a scope on the DAC pin (Pin 30 on connector J3 is using the Launchpad) and enjoy watching the sine wave oscillate
  7. Accept this answer and post your model so others can benefit from it :-), go to this page and rate the package 5 stars, feel free to share with the rest of the world how easy it was to run your first model with our TI C2000 support package.
  7 Comments
ANSHUMAN SATPATHY
ANSHUMAN SATPATHY on 7 Oct 2021
How to create a function in c2000 from matlab .m file to dac ? And also I don't get how to use dac a , dac b and dac c Not getting the pin no as in data sheet it's given as dac 1 ,2,3,4 plz help me out
Ayesha
Ayesha on 18 Feb 2024
@Antonin Hello,
I have designed MPC controller in simulink and I want to send the output of MPC controller to my real time device, and receive two input from device.
How can I configure F2837xD for the my configuration. Another quesyion is why you switched to sample based from time based configuration for sine wave and another question is whyd did you choosed Amplitude to 2047.5, Bias 2047.5?

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