8 * Copyright (c) 2002-2005 Volkswagen Group Electronic Research
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, the following disclaimer and
16 * the referenced file 'COPYING'.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of Volkswagen nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * Alternatively, provided that this notice is retained in full, this
25 * software may be distributed under the terms of the GNU General
26 * Public License ("GPL") version 2 as distributed in the 'COPYING'
27 * file from the main directory of the linux kernel source.
29 * The provided data structures and external interfaces from this code
30 * are not restricted to be used by modules with a GPL compatible license.
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54 #include <sys/types.h>
55 #include <sys/socket.h>
56 #include <sys/ioctl.h>
62 #define U64_DATA(p) (*(unsigned long long*)(p)->data)
64 int main(int argc, char **argv)
67 struct sockaddr_can addr;
71 struct bcm_msg_head msg_head;
72 struct can_frame frame[4];
75 if ((s = socket(PF_CAN, SOCK_DGRAM, CAN_BCM)) < 0) {
80 addr.can_family = PF_CAN;
81 strcpy(ifr.ifr_name, "vcan2");
82 ioctl(s, SIOCGIFINDEX, &ifr);
83 addr.can_ifindex = ifr.ifr_ifindex;
85 if (connect(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
90 msg.msg_head.opcode = TX_SETUP;
91 msg.msg_head.can_id = 0x42;
92 msg.msg_head.flags = SETTIMER|STARTTIMER;
93 msg.msg_head.nframes = 1;
94 msg.msg_head.count = 10;
95 msg.msg_head.ival1.tv_sec = 1;
96 msg.msg_head.ival1.tv_usec = 0;
97 msg.msg_head.ival2.tv_sec = 0;
98 msg.msg_head.ival2.tv_usec = 0;
99 msg.frame[0].can_id = 0x42;
100 msg.frame[0].can_dlc = 8;
101 U64_DATA(&msg.frame[0]) = (__u64) 0xdeadbeefdeadbeefULL;
103 if (write(s, &msg, sizeof(msg)) < 0)
106 printf("Press any key to stop the cycle ...\n");
110 msg.msg_head.opcode = TX_SETUP;
111 msg.msg_head.can_id = 0x42;
112 msg.msg_head.flags = SETTIMER|STARTTIMER;
113 msg.msg_head.nframes = 1;
114 msg.msg_head.count = 0;
115 msg.msg_head.ival1.tv_sec = 0;
116 msg.msg_head.ival1.tv_usec = 0;
117 msg.msg_head.ival2.tv_sec = 0;
118 msg.msg_head.ival2.tv_usec = 0;
119 msg.frame[0].can_id = 0x42;
120 msg.frame[0].can_dlc = 8;
121 U64_DATA(&msg.frame[0]) = (__u64) 0xdeadbeefdeadbeefULL;
123 if (write(s, &msg, sizeof(msg)) < 0)
126 printf("Press any key to close the socket ...\n");
132 printf("Press any key to end the program ...\n");