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Altera_Forum's avatar
Altera_Forum
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13 years ago

Issue with polling in Nios

Hi, I've got a custom component that produces some results from time to time, I want Nios processor to monitor the process by polling and whenever a result is produced, it is written to a exter...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hi

1. whenever the result is available the flag should be raised.... and after the results is read, lower the flag : your component set the flag when results are available and Nios II reading operation clear the flag.

2. You should read signals that are asynchronous or that may change their values within a reading operation. So Keep the results until they are read is a good solution.