FreeCalypso > hg > freecalypso-sw
view rvinterf/lowlevel/rvtdump.c @ 477:2f79ddc12bb0
OSL reconstruction: os_mis_fl.c: got the set of included headers, passes gcc
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
---|---|
date | Fri, 27 Jun 2014 07:23:00 +0000 |
parents | 1171c32a637b |
children | d527ac304ad5 |
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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> #include "../include/pktmux.h" extern int target_fd; extern char *baudrate_name; extern u_char rxpkt[]; extern size_t rxpkt_len; char *logfname; FILE *logF; time_t logtime; int background; int no_output; /* for output.c */ main(argc, argv) char **argv; { extern char *optarg; extern int optind; int c; fd_set fds; while ((c = getopt(argc, argv, "bB:d:l:")) != EOF) switch (c) { case 'b': background++; no_output++; /* for output.c */ continue; 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 [options] ttyport\n", argv[0]); exit(1); } if (background && !logfname) { fprintf(stderr, "%s: -b is meaningless without -l\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); } setlinebuf(logF); fprintf(logF, "*** Log of decoded RVT output ***\n"); } if (background) { c = fork(); if (c < 0) { perror("fork"); exit(1); } if (c) { printf("rvtdump forked into background (pid %d)\n", c); exit(0); } } 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() { switch (rxpkt[0]) { case RVT_RV_HEADER: if (rxpkt_len < 6) goto unknown; print_rv_trace(); return; case RVT_L1_HEADER: print_l1_trace(); return; case RVT_L23_HEADER: print_g23_trace(); return; case RVT_TM_HEADER: print_etm_output_raw(); return; default: unknown: print_unknown_packet(); } }