* 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.
int main(int argc, char **argv)
{
- int s,i,nbytes;
- struct sockaddr_can addr;
- struct ifreq ifr;
+ int s,i,nbytes;
+ struct sockaddr_can addr;
+ struct ifreq ifr;
- struct {
- struct bcm_msg_head msg_head;
- struct can_frame frame[4];
- } msg;
+ struct {
+ struct bcm_msg_head msg_head;
+ struct can_frame frame[4];
+ } msg;
- if ((s = socket(PF_CAN, SOCK_DGRAM, CAN_BCM)) < 0) {
- perror("socket");
- return 1;
- }
+ if ((s = socket(PF_CAN, SOCK_DGRAM, CAN_BCM)) < 0) {
+ perror("socket");
+ return 1;
+ }
- addr.can_family = PF_CAN;
- strcpy(ifr.ifr_name, "vcan2");
- ioctl(s, SIOCGIFINDEX, &ifr);
- addr.can_ifindex = ifr.ifr_ifindex;
+ addr.can_family = PF_CAN;
+ strcpy(ifr.ifr_name, "vcan2");
+ ioctl(s, SIOCGIFINDEX, &ifr);
+ addr.can_ifindex = ifr.ifr_ifindex;
- if (connect(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
- perror("connect");
- return 1;
- }
+ if (connect(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+ perror("connect");
+ return 1;
+ }
- msg.msg_head.opcode = TX_SETUP;
- msg.msg_head.can_id = 0x42;
- msg.msg_head.flags = SETTIMER|STARTTIMER|TX_CP_CAN_ID|TX_COUNTEVT;
- msg.msg_head.nframes = 1;
- msg.msg_head.count = 2;
- msg.msg_head.ival1.tv_sec = 3;
- msg.msg_head.ival1.tv_usec = 0;
- msg.msg_head.ival2.tv_sec = 5;
- msg.msg_head.ival2.tv_usec = 0;
- msg.frame[0].can_id = 0xAA;
- msg.frame[0].can_dlc = 8;
- U64_DATA(&msg.frame[0]) = (__u64) 0xdeadbeefdeadbeefULL;
+ msg.msg_head.opcode = TX_SETUP;
+ msg.msg_head.can_id = 0x42;
+ msg.msg_head.flags = SETTIMER|STARTTIMER|TX_CP_CAN_ID|TX_COUNTEVT;
+ msg.msg_head.nframes = 1;
+ msg.msg_head.count = 2;
+ msg.msg_head.ival1.tv_sec = 3;
+ msg.msg_head.ival1.tv_usec = 0;
+ msg.msg_head.ival2.tv_sec = 5;
+ msg.msg_head.ival2.tv_usec = 0;
+ msg.frame[0].can_id = 0xAA;
+ msg.frame[0].can_dlc = 8;
+ U64_DATA(&msg.frame[0]) = (__u64) 0xdeadbeefdeadbeefULL;
- if (write(s, &msg, sizeof(msg)) < 0)
- perror("write");
+ if (write(s, &msg, sizeof(msg)) < 0)
+ perror("write");
- printf("Press any key to stop the cycle ...\n");
+ printf("Press any key to stop the cycle ...\n");
- getchar();
+ getchar();
- msg.msg_head.opcode = TX_SETUP;
- msg.msg_head.can_id = 0x42;
- msg.msg_head.flags = SETTIMER|STARTTIMER|TX_CP_CAN_ID;
- msg.msg_head.nframes = 1;
- msg.msg_head.count = 0;
- msg.msg_head.ival1.tv_sec = 0;
- msg.msg_head.ival1.tv_usec = 0;
- msg.msg_head.ival2.tv_sec = 0;
- msg.msg_head.ival2.tv_usec = 0;
- msg.frame[0].can_id = 0xAA;
- msg.frame[0].can_dlc = 8;
- U64_DATA(&msg.frame[0]) = (__u64) 0xdeadbeefdeadbeefULL;
+ msg.msg_head.opcode = TX_SETUP;
+ msg.msg_head.can_id = 0x42;
+ msg.msg_head.flags = SETTIMER|STARTTIMER|TX_CP_CAN_ID;
+ msg.msg_head.nframes = 1;
+ msg.msg_head.count = 0;
+ msg.msg_head.ival1.tv_sec = 0;
+ msg.msg_head.ival1.tv_usec = 0;
+ msg.msg_head.ival2.tv_sec = 0;
+ msg.msg_head.ival2.tv_usec = 0;
+ msg.frame[0].can_id = 0xAA;
+ msg.frame[0].can_dlc = 8;
+ U64_DATA(&msg.frame[0]) = (__u64) 0xdeadbeefdeadbeefULL;
- if (write(s, &msg, sizeof(msg)) < 0)
- perror("write");
+ if (write(s, &msg, sizeof(msg)) < 0)
+ perror("write");
- printf("Press any key to read the entry ...\n");
+ printf("Press any key to read the entry ...\n");
- getchar();
+ getchar();
- msg.msg_head.opcode = TX_READ;
- msg.msg_head.can_id = 0x42;
- msg.msg_head.nframes = 0;
+ msg.msg_head.opcode = TX_READ;
+ msg.msg_head.can_id = 0x42;
+ msg.msg_head.nframes = 0;
- if (write(s, &msg, sizeof(msg)) < 0)
- perror("write");
+ if (write(s, &msg, sizeof(msg)) < 0)
+ perror("write");
- printf("Press any key to read from the socket ...\n");
+ printf("Press any key to read from the socket ...\n");
- getchar();
+ getchar();
- if ((nbytes = read(s, &msg, sizeof(msg))) < 0)
- perror("read");
- for (i = 0; i < nbytes; i++)
- printf(" %02x", ((unsigned char*)&msg)[i]);
- putchar('\n');
+ if ((nbytes = read(s, &msg, sizeof(msg))) < 0)
+ perror("read");
+ for (i = 0; i < nbytes; i++)
+ printf(" %02x", ((unsigned char*)&msg)[i]);
+ putchar('\n');
- printf("Press any key to close the socket ...\n");
+ printf("Press any key to close the socket ...\n");
- getchar();
+ getchar();
- close(s);
+ close(s);
- printf("Press any key to end the program ...\n");
+ printf("Press any key to end the program ...\n");
- getchar();
+ getchar();
- return 0;
+ return 0;
}
projects / socketcan-devel.git / blobdiff