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Open serial port in non-blocking mode in case flow control pins are preventing it opening normally.

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Chris Osborn 2018-04-02 07:09:42 -07:00
parent 9a79a80fd8
commit 9413ac1d37
2 changed files with 2 additions and 2 deletions
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2
Makefile
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@ -16,7 +16,7 @@ $(SRCS):
$(CC) $(CFLAGS) -c $*.c $(CC) $(CFLAGS) -c $*.c
tcpser: $(OBJS) tcpser: $(OBJS)
$(CC) -o $@ $(OBJS) $(LDFLAGS) $(CC) -g -o $@ $(OBJS) $(LDFLAGS)
depend: $(SRCS) depend: $(SRCS)
$(DEPEND) $(SRCS) $(DEPEND) $(SRCS)

2
src/serial.c
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@ -87,7 +87,7 @@ int ser_init_conn(char *tty, int speed)
/* open the device to be non-blocking (read will return immediatly) */ /* open the device to be non-blocking (read will return immediatly) */
LOG(LOG_INFO, "Opening serial device"); LOG(LOG_INFO, "Opening serial device");
fd = open(tty, O_RDWR | O_NOCTTY); fd = open(tty, O_RDWR | O_NOCTTY | O_NONBLOCK);
if (fd < 0) { if (fd < 0) {
ELOG(LOG_FATAL, "TTY %s could not be opened", tty); ELOG(LOG_FATAL, "TTY %s could not be opened", tty);