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Put a comment on tcflush(), it does not produce the attempted effect. ie. there are remaining bytes from old connections.

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This commit is contained in:
Romuald Conty 2011-04-20 14:03:41 +00:00
parent 762f6fb1f3
commit f4f0b38f73
1 changed files with 3 additions and 2 deletions
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5
libnfc/buses/uart_posix.c
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@ -100,12 +100,13 @@ uart_open (const char *pcPortName)
sp->tiNew.c_cc[VMIN] = 0; // block until n bytes are received
sp->tiNew.c_cc[VTIME] = 0; // block until a timer expires (n * 100 mSec.)
// This line seems to produce absolutely no effect on my system (GNU/Linux 2.6.35)
tcflush (sp->fd, TCIFLUSH);
if (tcsetattr (sp->fd, TCSANOW, &sp->tiNew) == -1) {
uart_close (sp);
return INVALID_SERIAL_PORT;
}
tcflush (sp->fd, TCIFLUSH);
return sp;
}