Merge pull request #4688 from AnHardt/crittical_section
Repair MarlinSerial with TX-buffer
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commit
13e337ac4b
@ -244,10 +244,11 @@ void MarlinSerial::flush(void) {
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}
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tx_buffer.buffer[tx_buffer.head] = c;
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CRITICAL_SECTION_START;
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tx_buffer.head = i;
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SBI(M_UCSRxB, M_UDRIEx);
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CRITICAL_SECTION_END;
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{ CRITICAL_SECTION_START;
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tx_buffer.head = i;
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SBI(M_UCSRxB, M_UDRIEx);
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CRITICAL_SECTION_END;
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}
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return;
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}
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