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arduino-esp32
Commit 8d7fb586 authored by chuck todd's avatar chuck todd Committed by Me No Dev
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Fix for spurious interrupts during I2C communications (#1665) 

This version no longer needs an interrupt for each byte transferred. It only needs interrupts for START, STOP, FIFO empty/Full or error conditions.  This dramatically reduces the interrupt overhead.  I think the prior version was causing an interrupt overload condition where the ISR was not able to process every interrupt as they happened.
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cores/esp32/esp32-hal-i2c.c
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