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Altera_Forum
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9 years ago

Getting Signal Tap to discover the last time a trigger condition happens

Hi, I'm debugging a communication Interface between my FPGA Design and an external Microcontroller. It should transfer about 1000 packets of data via SPI, but always fails during the transfer. ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

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Set the trigger position to pre-trigger and then set up the sample qualification to capture what you want to see after the trigger condition occurs. This will cause the samples you don't care about after the trigger to not be stored in the buffer. The sample discontinuities will be marked if you enable that option.

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What do you mean by "set up the sample qualification"?