Cant get complete adc data using c2000 in external mode

Question

Akshay 2018-2-16

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/383024-cant-get-complete-adc-data-using-c2000-in-external-mode

评论： Yusuf Selim KARATAS 2020-4-29

I am using c2000 ADC pins in external to monitor phase currents and voltages data using a hardware interrupt. The hardware interrupt uses ePWM for generating interrupt. I am trying to see the data on a scope, I am getting the data with a lot of missing points. I am running the model at a sampling time of 1ms. If I decrease the sampling time I get an error 'Failed to connect to target'.

Any ideas to solving this problem will be appreciated.

Thanks and regards, Akshay.

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Yusuf Selim KARATAS 2020-4-29

Hi,

Have you solved that problem? If so, how ?

Thanks.

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Answer 1

Venkatesh Chilapur 2018-2-16

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https://ww2.mathworks.cn/matlabcentral/answers/383024-cant-get-complete-adc-data-using-c2000-in-external-mode#answer_305449

Please run through TASK 3 from link below and see if it helps: https://www.mathworks.com/help/supportpkg/texasinstrumentsc2000/examples/parameter-tuning-and-signal-logging-with-serial-external-mode.html