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Fixed bug with flushing

This commit is contained in:
chromhelm 2015-05-21 21:42:40 +02:00
parent 94b16a550e
commit ed331a817a
1 changed files with 1 additions and 0 deletions
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1
hardware/arduino/avr/cores/arduino/HardwareSerial.cpp
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@ -220,6 +220,7 @@ size_t HardwareSerial::write(uint8_t c)
if (_tx_buffer_head == _tx_buffer_tail && bit_is_set(*_ucsra, UDRE0)) {
*_udr = c;
sbi(*_ucsra, TXC0);
_written = true;
return 1;
}
tx_buffer_index_t i = (_tx_buffer_head + 1) % SERIAL_TX_BUFFER_SIZE;