--- /dev/null
+/*
+ * $Id$
+ */
+
+/*
+ * log2asc.c - convert compact CAN frame logfile to ASC logfile
+ *
+ * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, the following disclaimer and
+ * the referenced file 'COPYING'.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Volkswagen nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * Alternatively, provided that this notice is retained in full, this
+ * software may be distributed under the terms of the GNU General
+ * Public License ("GPL") version 2 as distributed in the 'COPYING'
+ * file from the main directory of the linux kernel source.
+ *
+ * The provided data structures and external interfaces from this code
+ * are not restricted to be used by modules with a GPL compatible license.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * Send feedback to <socketcan-users@lists.berlios.de>
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <libgen.h>
+#include <unistd.h>
+
+#include <net/if.h>
+#include <linux/can.h>
+
+#include "lib.h"
+
+extern int optind, opterr, optopt;
+
+void print_usage(char *prg)
+{
+ fprintf(stderr, "Usage: %s [can-interfaces]\n", prg);
+ fprintf(stderr, "Options: -I <infile> (default stdin)\n");
+ fprintf(stderr, " -O <outfile> (default stdout)\n");
+ fprintf(stderr, " -n (set newline to cr/lf - default lf)\n");
+}
+
+int main(int argc, char **argv)
+{
+ char buf[100], device[100], ascframe[100], id[10];
+
+ struct can_frame cf;
+ static struct timeval tv, start_tv;
+ FILE *infile = stdin;
+ FILE *outfile = stdout;
+ static int maxdev, devno, i, crlf, opt;
+
+ while ((opt = getopt(argc, argv, "I:O:n")) != -1) {
+ switch (opt) {
+ case 'I':
+ infile = fopen(optarg, "r");
+ if (!infile) {
+ perror("infile");
+ return 1;
+ }
+ break;
+
+ case 'O':
+ outfile = fopen(optarg, "w");
+ if (!outfile) {
+ perror("outfile");
+ return 1;
+ }
+ break;
+
+ case 'n':
+ crlf = 1;
+ break;
+
+ default:
+ fprintf(stderr, "Unknown option %c\n", opt);
+ print_usage(basename(argv[0]));
+ return 1;
+ break;
+ }
+ }
+
+ maxdev = argc - optind; /* find real number of CAN devices */
+
+ if (!maxdev) {
+ fprintf(stderr, "no CAN interfaces defined!\n");
+ print_usage(basename(argv[0]));
+ return 1;
+ }
+
+ //printf("Found %d CAN devices!\n", maxdev);
+
+ while (fgets(buf, 99, infile)) {
+ if (sscanf(buf, "(%ld.%ld) %s %s", &tv.tv_sec, &tv.tv_usec,
+ device, ascframe) != 4)
+ return 1;
+
+ if (!start_tv.tv_sec) { /* print banner */
+ start_tv = tv;
+ fprintf(outfile, "date %s", ctime(&start_tv.tv_sec));
+ fprintf(outfile, "base hex timestamps absolute%s",
+ (crlf)?"\r\n":"\n");
+ fprintf(outfile, "no internal events logged%s",
+ (crlf)?"\r\n":"\n");
+ }
+
+ for (i=0, devno=0; i<maxdev; i++) {
+ if (!strcmp(device, argv[optind+i])) {
+ devno = i+1; /* start with channel '1' */
+ break;
+ }
+ }
+
+ if (devno) { /* only convert for selected CAN devices */
+ if (parse_canframe(ascframe, &cf))
+ return 1;
+
+ tv.tv_sec = tv.tv_sec - start_tv.tv_sec;
+ tv.tv_usec = tv.tv_usec - start_tv.tv_usec;
+ if (tv.tv_usec < 0)
+ tv.tv_sec--, tv.tv_usec += 1000000;
+ if (tv.tv_sec < 0)
+ tv.tv_sec = tv.tv_usec = 0;
+ fprintf(outfile, "%4ld.%04ld ", tv.tv_sec, tv.tv_usec/100);
+
+ fprintf(outfile, "%-2d ", devno); /* channel number left aligned */
+
+ if (cf.can_id & CAN_ERR_FLAG)
+ fprintf(outfile, "(errorframe)");
+ else {
+ sprintf(id, "%X%c", cf.can_id & CAN_EFF_MASK,
+ (cf.can_id & CAN_EFF_FLAG)?'x':' ');
+ fprintf(outfile, "%-15s Rx ", id);
+
+ if (cf.can_id & CAN_RTR_FLAG)
+ fprintf(outfile, "r"); /* RTR frame */
+ else {
+ fprintf(outfile, "d %d", cf.can_dlc); /* data frame */
+
+ for (i = 0; i < cf.can_dlc; i++) {
+ fprintf(outfile, " %02X", cf.data[i]);
+ }
+ }
+ }
+ if (crlf)
+ fprintf(outfile, "\r");
+ fprintf(outfile, "\n");
+ }
+ }
+ fflush(outfile);
+
+ return 0;
+}
projects / can-utils.git / blobdiff