lincan/utils/sendburst.c

   1 #include <stdio.h>
   2 #include <fcntl.h>
   3 #include <unistd.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6
   7
   8 #include "../include/can.h"
   9
  10 int main(void)
  11         {
  12         struct canmsg_t sendmsg={0,0,5,0,8,{1,2,3,4,5,6,7,8}};
  13         int fd, ret,i,j;
  14
  15         if ((fd=open("/dev/can0",O_RDWR)) < 0 )
  16                 {
  17                 perror("open");
  18                 printf("Error opening /dev/can0\n");
  19                 exit(1);
  20                 }
  21         j=0;
  22         while (1)
  23                 {
  24                 for(i=0;i<10;i++)
  25                         {
  26                         sendmsg.data[0]=i;
  27                         sendmsg.data[1]=j;
  28                         if ((ret=write(fd,&sendmsg,sizeof(struct canmsg_t))) < 0)
  29                           {
  30                                 perror("write");
  31                                 printf("Error sending message\n");
  32                                 break;
  33                                 }
  34                         }
  35                 printf("Sent block of 10 messages #: %u\n",j);
  36                 j++;
  37                 usleep(500000);
  38                 }
  39         close(fd);
  40         return 0;
  41         }
  42
  43