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Merge pull request #4688 from AnHardt/crittical_section

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Repair MarlinSerial with TX-buffer
This commit is contained in:
Scott Lahteine 2016-08-23 03:31:12 -05:00 committed by GitHub
commit 13e337ac4b
1 changed files with 5 additions and 4 deletions
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9
Marlin/MarlinSerial.cpp
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@ -244,10 +244,11 @@ void MarlinSerial::flush(void) {
}
tx_buffer.buffer[tx_buffer.head] = c;
CRITICAL_SECTION_START;
tx_buffer.head = i;
SBI(M_UCSRxB, M_UDRIEx);
CRITICAL_SECTION_END;
{ CRITICAL_SECTION_START;
tx_buffer.head = i;
SBI(M_UCSRxB, M_UDRIEx);
CRITICAL_SECTION_END;
}
return;
}