-/*
- * $Id$
- */
-
/*
* log2asc.c - convert compact CAN frame logfile to ASC logfile
*
* 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'.
+ * notice, this list of conditions and the following disclaimer.
* 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.
*
* 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.
+ * Public License ("GPL") version 2, in which case the provisions of the
+ * GPL apply INSTEAD OF those given above.
*
* The provided data structures and external interfaces from this code
* are not restricted to be used by modules with a GPL compatible license.
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
- * Send feedback to <socketcan-users@lists.berlios.de>
+ * Send feedback to <linux-can@vger.kernel.org>
*
*/
#include <unistd.h>
#include <net/if.h>
+#include <sys/time.h>
#include <linux/can.h>
#include "lib.h"
+#define BUFSZ 400 /* for one line in the logfile */
+
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, " -4 (reduce decimal place to 4 digits)\n");
- fprintf(stderr, " -n (set newline to cr/lf - default lf)\n");
+ 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, " -4 (reduce decimal place to 4 digits)\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, d4, opt;
-
- while ((opt = getopt(argc, argv, "I:O:4n")) != -1) {
- switch (opt) {
- case 'I':
- infile = fopen(optarg, "r");
- if (!infile) {
- perror("infile");
- return 1;
- }
- break;
+ static char buf[BUFSZ], device[BUFSZ], ascframe[BUFSZ], id[10];
+
+ struct canfd_frame cf;
+ static struct timeval tv, start_tv;
+ FILE *infile = stdin;
+ FILE *outfile = stdout;
+ static int maxdev, devno, i, crlf, d4, opt;
+
+ while ((opt = getopt(argc, argv, "I:O:4n?")) != -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;
+
+ case '4':
+ d4 = 1;
+ break;
+
+ case '?':
+ print_usage(basename(argv[0]));
+ return 0;
+ 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 */
- case 'O':
- outfile = fopen(optarg, "w");
- if (!outfile) {
- perror("outfile");
+ if (!maxdev) {
+ fprintf(stderr, "no CAN interfaces defined!\n");
+ print_usage(basename(argv[0]));
return 1;
- }
- break;
-
- case 'n':
- crlf = 1;
- break;
-
- case '4':
- d4 = 1;
- break;
-
- default:
- fprintf(stderr, "Unknown option %c\n", opt);
- print_usage(basename(argv[0]));
- return 1;
- break;
}
- }
+
+ //printf("Found %d CAN devices!\n", maxdev);
- maxdev = argc - optind; /* find real number of CAN devices */
+ while (fgets(buf, BUFSZ-1, infile)) {
- 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");
- }
+ if (strlen(buf) >= BUFSZ-2) {
+ fprintf(stderr, "line too long for input buffer\n");
+ return 1;
+ }
- for (i=0, devno=0; i<maxdev; i++) {
- if (!strcmp(device, argv[optind+i])) {
- devno = i+1; /* start with channel '1' */
- break;
- }
- }
+ /* check for a comment line */
+ if (buf[0] != '(')
+ continue;
- if (devno) { /* only convert for selected CAN devices */
- if (parse_canframe(ascframe, &cf))
- return 1;
+ if (sscanf(buf, "(%ld.%ld) %s %s", &tv.tv_sec, &tv.tv_usec,
+ device, ascframe) != 4) {
+ fprintf(stderr, "incorrect line format in logfile\n");
+ 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;
+ }
+ }
- 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;
-
- if (d4)
- fprintf(outfile, "%4ld.%04ld ", tv.tv_sec, tv.tv_usec/100);
- else
- fprintf(outfile, "%4ld.%06ld ", tv.tv_sec, tv.tv_usec);
-
- 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 (devno) { /* only convert for selected CAN devices */
+ if (parse_canframe(ascframe, &cf) != CAN_MTU) /* no CAN FD support so far */
+ 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;
+
+ if (d4)
+ fprintf(outfile, "%4ld.%04ld ", tv.tv_sec, tv.tv_usec/100);
+ else
+ fprintf(outfile, "%4ld.%06ld ", tv.tv_sec, tv.tv_usec);
+
+ 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 */
+ if (cf.can_id & CAN_RTR_FLAG)
+ fprintf(outfile, "r"); /* RTR frame */
+ else {
+ fprintf(outfile, "d %d", cf.len); /* data frame */
- for (i = 0; i < cf.can_dlc; i++) {
- fprintf(outfile, " %02X", cf.data[i]);
- }
+ for (i = 0; i < cf.len; i++) {
+ fprintf(outfile, " %02X", cf.data[i]);
+ }
+ }
+ }
+ if (crlf)
+ fprintf(outfile, "\r");
+ fprintf(outfile, "\n");
}
- }
- if (crlf)
- fprintf(outfile, "\r");
- fprintf(outfile, "\n");
}
- }
- fflush(outfile);
+ fflush(outfile);
+ fclose(outfile);
+ fclose(infile);
- return 0;
+ return 0;
}
projects / can-utils.git / blobdiff