I've heard that interrupt-based TWI has many advantages over polling, and yes, it does, during slave mode. However, what I don't understand is why interrupt-based TWI still applies for master mode. I mean, interrupt-based or not, we still have to wait for the interrupt flag set before moving on to the next write/read cycle, something that can be done with polling with almost no difference to interrupts, otherwise we get collision errors. So, are interrupts at all necessary for master modes?
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Joined: Thu. Jul 27, 2017
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Last Edited: Thu. Jul 27, 2017 - 04:25 AM