Get wire library arduino2/20/2023 ![]() Since I☬ is a multi-master bus, when the hardware detects an external start condition, or an arbitration error, it will assume there is another master active and hold off any bus activity until it sees a stop condition. One particular challenge I've found (but I'm not sure if it is really properly documented yet), is that the AVR TWI hardware is particularly sensitive to noise that makes it look like there is a second master on the bus. Looking at these, I suspect that the version by and my own might be the best starting points, but neither completely solve the problem AFAICS. (This is a version I wrote for a customer to fix lockups, it was never published until now).Make Wire library error safe Arduino#2489.
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