FreeCalypso > hg > freecalypso-tools
view libserial-orig/openport.c @ 561:392525355ee7
loadtools/scripts: gtm900.config renamed to gen4.config
It turns out that a GTM900 variant exists with 8 MiB flash, thus -h gen8
needs to be used for GTM900 modules as the general case, and the old
-h gtm900 config is best renamed to -h gen4, although not currently official
for any actual target.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 30 Jan 2020 07:10:20 +0000 |
parents | cb1ba53a1106 |
children |
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/* * 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; }