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Altera_Forum's avatar
Altera_Forum
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12 years ago

Nios SPI Master and interrupt from slave

Hello forum !! I have another issue i can't solve.. I have a nios2 processor running and I use a SPI protocol (in which I am the master) to communicate with a slave hardware. The slave, un...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

You should connect that report pin to a PIO component in your Nios system. That PIO component can be configured to generate an interrupt when an edge is detected, and in your interrupt routine you trigger an SPI read.