FreeCalypso > hg > fc-rfcal-tools
view cmu200/openport.c @ 133:c99b1dce04ec default tip
fc-rfcal-txcheck: check and report ramp tolerance
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 20 Dec 2021 04:22:19 +0000 |
parents | bd62be88259d |
children |
line wrap: on
line source
/* * Serial port opening code for talking to CMU200 */ #include <sys/types.h> #include <sys/file.h> #include <sys/ioctl.h> #include <termios.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <unistd.h> extern int target_fd; static struct baudrate { char *name; speed_t termios_code; } baud_rate_table[] = { {"1200", B1200}, {"2400", B2400}, {"4800", B4800}, {"9600", B9600}, {"19200", B19200}, {"38400", B38400}, {"57600", B57600}, {"115200", B115200}, /* table search terminator */ {NULL, B0} }; open_target_serial(ttydev, baudname) char *ttydev, *baudname; { struct termios target_termios; struct baudrate *br; for (br = baud_rate_table; br->name; br++) if (!strcmp(br->name, baudname)) break; if (!br->name) { fprintf(stderr, "baud rate \"%s\" unknown/unsupported\n", baudname); exit(1); } target_fd = open(ttydev, O_RDWR|O_NONBLOCK); if (target_fd < 0) { perror(ttydev); exit(1); } target_termios.c_iflag = IGNBRK; target_termios.c_oflag = 0; target_termios.c_cflag = CLOCAL|HUPCL|CREAD|CS8|CRTSCTS; target_termios.c_lflag = 0; target_termios.c_cc[VMIN] = 1; target_termios.c_cc[VTIME] = 0; cfsetispeed(&target_termios, br->termios_code); cfsetospeed(&target_termios, br->termios_code); if (tcsetattr(target_fd, TCSAFLUSH, &target_termios) < 0) { perror("initial tcsetattr on target"); exit(1); } return 0; } set_serial_nonblock(state) int state; { ioctl(target_fd, FIONBIO, &state); }