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If an interrupt causing overflow would occur between reading _buffer_overflow and clearing it, this overflow condition would be immediately cleared and never be returned by overflow(). By only clearing the overflow flag if an overflow actually occurred, this problem goes away (worst case overflow() returns false even though an overflow _just_ occurred, but then the next call to overflow() will return true). |
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| examples | ||
| keywords.txt | ||
| library.properties | ||
| SoftwareSerial.cpp | ||
| SoftwareSerial.h | ||