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TMS570LS1224: Trigger ADC sample cannot read sample value

Part Number: TMS570LS1224


Hi team,

Here's an issue from the customer may need your help:

The ADC sample is triggered using the GPIO port, but the program always determines if the sample is successful and the sample value is 0, indicating that the sample has not been completed. The procedure is as follows.

The sample value can be read using epwm to trigger ADC sampling previously, but the sample value cannot be read using the same program epwm to trigger ADC sampling. 

Could you help check this case? Thanks.

Best Regards,

Cherry