mirror of https://github.com/noisymime/Arduino.git
Fixed bug with flushing
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@ -220,6 +220,7 @@ size_t HardwareSerial::write(uint8_t c)
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if (_tx_buffer_head == _tx_buffer_tail && bit_is_set(*_ucsra, UDRE0)) {
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*_udr = c;
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sbi(*_ucsra, TXC0);
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_written = true;
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return 1;
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}
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tx_buffer_index_t i = (_tx_buffer_head + 1) % SERIAL_TX_BUFFER_SIZE;
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