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Update Wire.cpp #483

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3 changes: 3 additions & 0 deletions pic32/libraries/Wire/Wire.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -240,6 +240,9 @@ uint8_t TwoWire::endTransmission(uint8_t fStopBit)
// a collision or the slave acked, in either case report a NACK from the slave
if(!di2c.getStatus().fMyBus)
{
//Make sure to discard transmit buffer if slave NACK, otherwise next beginTransmission will freeze system
di2c.abort();

return(2);
}

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