FreeCalypso > hg > freecalypso-tools
view libserial-posix/openport.c @ 720:b73c21a2148f
reorg: smallconv.c moved from ffstools/cal2text to librftab
This module contains write_afcdac_ascii() and write_stdmap_ascii()
functions; the plan is to make them available to other programs,
particularly the upcoming addition of RF table dump to tiffs.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Tue, 25 Aug 2020 06:28:44 +0000 |
parents | fd7b447b99e3 |
children |
line wrap: on
line source
/* * This module implements the basic serial port opening operation. */ #include <sys/types.h> #include <sys/file.h> #include <sys/ioctl.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> int target_fd; open_serial_port(ttyport) char *ttyport; { target_fd = open(ttyport, O_RDWR|O_NONBLOCK); if (target_fd < 0) { perror(ttyport); exit(1); } ioctl(target_fd, TIOCEXCL); return 0; }