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Troubleshooting of SPI high speed data communicaiton

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Wafeeq

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I am communicating TMS570 microcontroller with A4960 motor controller over SPI. During the communication, data is lost because some times, transmission is not successful. I want to troubleshoot what TMS is sending. Is there any way that I can see SPI data over my PC? SPI baud rate is almost 1Mhz so I can not use simple terminal etc. Please suggest any solution. I tried to troubleshoot over oscilloscope but as data is not fixed, every time changing and speed of change in data is also very high I can not see even on oscilloscope.
 

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