/*
* tst-err.c
*
- * Copyright (c) 2002-2006 Volkswagen Group Electronic Research
+ * 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'.
+ * 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 <llcf@volkswagen.de>
+ * Send feedback to <socketcan-users@lists.berlios.de>
*
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
+#include <net/if.h>
-#include "af_can.h"
-#include "raw.h"
-#include "can_error.h"
+#include <linux/can.h>
+#include <linux/can/raw.h>
+#include <linux/can/error.h>
int main(int argc, char **argv)
{
- int s;
- struct sockaddr_can addr;
- struct can_filter rfilter;
- struct can_frame frame;
- can_err_mask_t err_mask = CAN_ERR_MASK; /* all */
- int nbytes;
- struct ifreq ifr;
- char *ifname = "vcan2";
- int ifindex;
- int opt;
- struct timeval tv;
-
- while ((opt = getopt(argc, argv, "i:m:")) != -1) {
- switch (opt) {
- case 'i':
- ifname = optarg;
- break;
- case 'm':
- err_mask = strtoul(optarg, (char **)NULL, 16);
- break;
- default:
- fprintf(stderr, "Unknown option %c\n", opt);
- break;
- }
- }
-
-
- if ((s = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {
- perror("socket");
- return 1;
- }
-
- rfilter.can_id = CAN_INV_FILTER; /* no normal CAN frames */
- rfilter.can_mask = 0; /* all: INV(all) == nothing */
- setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, &rfilter, sizeof(rfilter));
-
- setsockopt(s, SOL_CAN_RAW, CAN_RAW_ERR_FILTER, &err_mask, sizeof(err_mask));
-
- strcpy(ifr.ifr_name, ifname);
- ioctl(s, SIOCGIFINDEX, &ifr);
- ifindex = ifr.ifr_ifindex;
-
- addr.can_family = AF_CAN;
- addr.can_ifindex = ifindex;
-
- if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
- perror("bind");
- return 1;
- }
-
- while (1) {
-
- if ((nbytes = read(s, &frame, sizeof(struct can_frame))) < 0) {
- perror("read");
- return 1;
- } else if (nbytes < sizeof(struct can_frame)) {
- fprintf(stderr, "read: incomplete CAN frame\n");
- return 1;
- } else {
- if (ioctl(s, SIOCGSTAMP, &tv) < 0)
- perror("SIOCGSTAMP");
- else
- printf("(%ld.%06ld) ", tv.tv_sec, tv.tv_usec);
-
- if (frame.can_id & CAN_ERR_BUSOFF)
- printf("(bus off) ");
-
- if (frame.can_id & CAN_ERR_TX_TIMEOUT)
- printf("(tx timeout) ");
-
- if (frame.can_id & CAN_ERR_ACK)
- printf("(ack) ");
-
- if (frame.can_id & CAN_ERR_LOSTARB) {
- printf("(lost arb)");
- if (frame.data[0])
- printf("[%d]", frame.data[0]);
- printf(" ");
- }
-
- if (frame.can_id & CAN_ERR_CRTL) {
- printf("(crtl)");
- if (frame.data[1] & CAN_ERR_CRTL_RX_OVERFLOW)
- printf("[RX buffer overflow]");
- if (frame.data[1] & CAN_ERR_CRTL_TX_OVERFLOW)
- printf("[TX buffer overflow]");
- if (frame.data[1] & CAN_ERR_CRTL_RX_WARNING)
- printf("[RX warning]");
- if (frame.data[1] & CAN_ERR_CRTL_TX_WARNING)
- printf("[TX warning]");
- printf(" ");
- }
-
- /* to be continued */
-
- printf("\n");
- fflush(stdout);
+ int s;
+ struct sockaddr_can addr;
+ struct can_filter rfilter;
+ struct can_frame frame;
+ can_err_mask_t err_mask = CAN_ERR_MASK; /* all */
+ int nbytes;
+ struct ifreq ifr;
+ char *ifname = "vcan2";
+ int ifindex;
+ int opt;
+ struct timeval tv;
+
+ while ((opt = getopt(argc, argv, "i:m:")) != -1) {
+ switch (opt) {
+ case 'i':
+ ifname = optarg;
+ break;
+ case 'm':
+ err_mask = strtoul(optarg, (char **)NULL, 16);
+ break;
+ default:
+ fprintf(stderr, "Unknown option %c\n", opt);
+ break;
+ }
}
- }
- close(s);
- return 0;
+ if ((s = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {
+ perror("socket");
+ return 1;
+ }
+
+ rfilter.can_id = CAN_INV_FILTER; /* no normal CAN frames */
+ rfilter.can_mask = 0; /* all: INV(all) == nothing */
+ setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, &rfilter, sizeof(rfilter));
+
+ setsockopt(s, SOL_CAN_RAW, CAN_RAW_ERR_FILTER, &err_mask, sizeof(err_mask));
+
+ strcpy(ifr.ifr_name, ifname);
+ ioctl(s, SIOCGIFINDEX, &ifr);
+ ifindex = ifr.ifr_ifindex;
+
+ addr.can_family = AF_CAN;
+ addr.can_ifindex = ifindex;
+
+ if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+ perror("bind");
+ return 1;
+ }
+
+ while (1) {
+
+ if ((nbytes = read(s, &frame, sizeof(struct can_frame))) < 0) {
+ perror("read");
+ return 1;
+ } else if (nbytes < sizeof(struct can_frame)) {
+ fprintf(stderr, "read: incomplete CAN frame\n");
+ return 1;
+ } else {
+ if (ioctl(s, SIOCGSTAMP, &tv) < 0)
+ perror("SIOCGSTAMP");
+ else
+ printf("(%ld.%06ld) ", tv.tv_sec, tv.tv_usec);
+
+ if (frame.can_id & CAN_ERR_BUSOFF)
+ printf("(bus off) ");
+
+ if (frame.can_id & CAN_ERR_TX_TIMEOUT)
+ printf("(tx timeout) ");
+
+ if (frame.can_id & CAN_ERR_ACK)
+ printf("(ack) ");
+
+ if (frame.can_id & CAN_ERR_LOSTARB) {
+ printf("(lost arb)");
+ if (frame.data[0])
+ printf("[%d]", frame.data[0]);
+ printf(" ");
+ }
+
+ if (frame.can_id & CAN_ERR_CRTL) {
+ printf("(crtl)");
+ if (frame.data[1] & CAN_ERR_CRTL_RX_OVERFLOW)
+ printf("[RX buffer overflow]");
+ if (frame.data[1] & CAN_ERR_CRTL_TX_OVERFLOW)
+ printf("[TX buffer overflow]");
+ if (frame.data[1] & CAN_ERR_CRTL_RX_WARNING)
+ printf("[RX warning]");
+ if (frame.data[1] & CAN_ERR_CRTL_TX_WARNING)
+ printf("[TX warning]");
+ printf(" ");
+ }
+
+ /* to be continued */
+
+ printf("\n");
+ fflush(stdout);
+ }
+ }
+
+ close(s);
+
+ return 0;
}
projects / socketcan-devel.git / blobdiff