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Add a workaround-delay in Serial.flush() #3714

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Merged
merged 3 commits into from
Oct 15, 2017
Merged

Add a workaround-delay in Serial.flush() #3714

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6d66c58
Add a workaround-delay in Serial.flush()
WereCatf Oct 13, 2017
0f25996
Remove extraneous character
WereCatf Oct 13, 2017
3ef8c2d
Update HardwareSerial.cpp
WereCatf Oct 13, 2017
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3 changes: 3 additions & 0 deletions cores/esp8266/HardwareSerial.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -152,6 +152,9 @@ void HardwareSerial::flush()
}

uart_wait_tx_empty(_uart);
//Workaround for a bug in serial not actually being finished yet
//Wait for 8 data bits, 1 parity and 2 stop bits, just in case
delayMicroseconds(11000000 / uart_get_baudrate(_uart) + 1);
}

size_t HardwareSerial::write(uint8_t c)
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