FreeCalypso > hg > freecalypso-sw
view rvinterf/rvtdump.c @ 165:9dbf3248a197
starting to compile ETM
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Tue, 19 Nov 2013 04:23:29 +0000 |
parents | e0d56e9be8a2 |
children | e01e3a60c858 |
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/* * This program reads bytes from a serial port, parses them assuming * TI's RVT MUX format, and prints every decoded packet. */ #include <sys/types.h> #include <sys/errno.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <time.h> extern int target_fd; extern char *baudrate_name; extern char pr_item[]; char *logfname; FILE *logF; time_t logtime; main(argc, argv) char **argv; { extern char *optarg; extern int optind; int c; fd_set fds; while ((c = getopt(argc, argv, "b:d:l:")) != EOF) switch (c) { case 'b': baudrate_name = optarg; continue; case 'd': target_fd = atoi(optarg); continue; case 'l': logfname = optarg; continue; case '?': default: usage: fprintf(stderr, "usage: %s [-b baudrate] ttyport\n", argv[0]); exit(1); } if (target_fd <= 0) { if (argc - optind != 1) goto usage; open_target_serial(argv[optind]); } set_serial_nonblock(0); setlinebuf(stdout); if (logfname) { logF = fopen(logfname, "w"); if (!logF) { perror(logfname); exit(1); } fprintf(logF, "*** Log of decoded RVT output ***\n"); setlinebuf(logF); } for (;;) { FD_ZERO(&fds); FD_SET(target_fd, &fds); c = select(target_fd+1, &fds, 0, 0, 0); time(&logtime); if (c < 0) { if (errno == EINTR) continue; perror("select"); exit(1); } if (FD_ISSET(target_fd, &fds)) process_serial_rx(); } } handle_rx_packet() { print_rx_packet(); } print_item() { printf("%s\n", pr_item); if (logF) log_item(); }