TI C2000 : In Simulink, how to set ePWM output to a GPIO pin ?

Question

shengwuei 2024-4-24

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https://ww2.mathworks.cn/matlabcentral/answers/2110951-ti-c2000-in-simulink-how-to-set-epwm-output-to-a-gpio-pin

回答： Abhinav Aravindan 2024-9-17

Hi Sir,

I am using TI C2000 processor(TMS320F28335), and had just placed an ePWM module into the Simulink and set some parameters.

(I guess C2833x is for TMS320F28335, am I correct ?)

now I want to set the ePWM output to a GPIO pin, but under "Hardware setting" -> "Hardware Implementation" -> "Target hardware resource"->"ePWM", there is no relevant settings for GPIO

On the other hand, refer to : www.mathworks.com/.../sub-modules-of-epwm-type-1-4.html

GPIO mapping for ePWM output can be set in the same window(the green mark in the below picture), I guess it's due to different C2000 part (?)

I am new to both C2000 processor and Simulink, sorry for such a simple question, very appreciate for your help, thanks.

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Answer 1

Abhinav Aravindan 2024-9-17

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https://ww2.mathworks.cn/matlabcentral/answers/2110951-ti-c2000-in-simulink-how-to-set-epwm-output-to-a-gpio-pin#answer_1517900

Hi @shengwuei,

I understand that you want to configure the GPIO pins for the ePWM Type 1-4 block. To answer your first question, yes, C2833x is the correct library for the TI Delfino F2833x processor.

Regarding the GPIO pin configuration, I assume you are using a MATLAB release prior to R2024a. From MATLAB R2024a, the GPIO Pin Assignments for the ePWM module can be viewed in the Configuration Parameters.