FreeCalypso > hg > fc-sim-tools
diff calypso/caltest.c @ 6:0a21a7ffe144
calypso: caltest front end put together
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 14 Mar 2021 05:26:58 +0000 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/calypso/caltest.c Sun Mar 14 05:26:58 2021 +0000 @@ -0,0 +1,57 @@ +#include <sys/types.h> +#include <sys/file.h> +#include <sys/ioctl.h> +#include <termios.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; +} + +set_termios() +{ + struct termios target_termios; + + target_termios.c_iflag = IGNBRK; + target_termios.c_oflag = 0; + target_termios.c_cflag = CLOCAL|HUPCL|CREAD|CS8; + target_termios.c_lflag = 0; + target_termios.c_cc[VMIN] = 1; + target_termios.c_cc[VTIME] = 0; + cfsetispeed(&target_termios, B115200); + cfsetospeed(&target_termios, B115200); + if (tcsetattr(target_fd, TCSAFLUSH, &target_termios) < 0) { + perror("tcsetattr"); + exit(1); + } + return 0; +} + +main(argc, argv) + char **argv; +{ + char c_arg[16]; + + if (argc != 3) { + fprintf(stderr, "usage: %s ttyport second-prog\n", argv[0]); + exit(1); + } + open_serial_port(argv[1]); + set_termios(); + sprintf(c_arg, "-C%d", target_fd); + execl(argv[2], argv[2], c_arg, (char *) 0); + perror(argv[2]); + exit(1); +}