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Set VMIN = 1, not zero which forces non-blocking reads.

This commit is contained in:
Martin Ling 2013-11-27 01:16:51 +00:00
parent afb518f04a
commit 8fbf876dfd
1 changed files with 2 additions and 1 deletions
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3
serialport.c
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@ -34,6 +34,7 @@
#include <tchar.h> #include <tchar.h>
#include <stdio.h> #include <stdio.h>
#else #else
#include <limits.h>
#include <termios.h> #include <termios.h>
#include <sys/ioctl.h> #include <sys/ioctl.h>
#endif #endif
@ -700,7 +701,7 @@ enum sp_return sp_open(struct sp_port *port, enum sp_mode flags)
data.term.c_oflag &= ~OFILL; data.term.c_oflag &= ~OFILL;
#endif #endif
data.term.c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN); data.term.c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN);
data.term.c_cc[VMIN] = 0; data.term.c_cc[VMIN] = 1;
data.term.c_cc[VTIME] = 0; data.term.c_cc[VTIME] = 0;
/* Ignore modem status lines; enable receiver; leave control lines alone on close. */ /* Ignore modem status lines; enable receiver; leave control lines alone on close. */