How to write to register for TI DSPs?

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Mike Buba
Mike Buba 2022-11-24
回答： Antonin 2023-10-17
I would like to change (i.e., overwrite) the register values (the whole register or single bit) during the code execution. For example, change F28379D ePWM ramp direction or shift the ramp.
How can I write to register in Simulink? I have tried using a Memory Copy block, but I couldn't make it work.
For example, if I want to change the switching frequency: EPwm2Regs.TBPRD or any other register or bit.

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回答（1 个）

Antonin
Antonin 2023-10-17
Hi Mike,
As explained on the following page:
https://www.mathworks.com/matlabcentral/answers/1861853-using-a-memory-copy-block-to-read-write-a-single-bit-gives-an-error-and-workaround-not-working
You need to use the Memory Copy block with code symbol and the .all notation.
For example: &EPwm2Regs.TBPRD.all
This will work,
I hope it helps,
Thanks,
Antonin.

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