Bokep
- Viewed 20k times5answered Mar 2, 2016 at 18:16
It's not really clear what you mean by "functionally".
The advantage of polling the interrupt register is that you can make sure you only get data from the ADC when your code is in the perfect state to handle it. This can simplify the code design significantly. The advantage of being interrupted is that you do not waste time checking the register when there's no data ready yet and it's less likely that you'll get busy doing something else and let the FIFO overflow.
Both approaches can make sense.
Typically, you would use an interrupt handler that ...
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