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24 lines
683 B
24 lines
683 B
From 0fd3078b4863002e5d384d7e453d668841414abe Mon Sep 17 00:00:00 2001
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From: Kay Sievers <kay@vrfy.org>
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Date: Wed, 13 Jan 2021 01:34:08 +0100
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Subject: [PATCH] PosixSerialPort: Call tcdrain() to write serial data
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GithubPR: 150
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---
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src/PosixSerialPort.cpp | 5 +----
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1 file changed, 1 insertion(+), 4 deletions(-)
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--- a/src/PosixSerialPort.cpp
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+++ b/src/PosixSerialPort.cpp
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@@ -290,10 +290,7 @@ PosixSerialPort::put(int c)
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void
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PosixSerialPort::flush()
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{
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- // There isn't a reliable way to flush on a file descriptor
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- // so we just wait it out. One millisecond is the USB poll
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- // interval so that should cover it.
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- usleep(1000);
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+ tcdrain(_devfd);
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}
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bool
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