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Altera_Forum
Honored Contributor
14 years agoInterrupt Driven SPI
I am having trouble configuring the SPI to create interrupts. I am calling the function below inside a key press interrupt(that works) to start an SPI transfer. My initialization, and following routi...
Altera_Forum
Honored Contributor
14 years agoEven if your serial port doesn't use interrupts, it is unlikely that the uart driver is interrupt safe.
It is also possibly that even the 'small' versions of printf() are not interrupt safe. The other 'problem' is the sheer number of cpu cycles that printf() will take, that alone might cause interrupt latency issues.