lincan/src/temp.c

   1 {
   2         int i=0;
   3
   4         DEBUGMSG("Resetting smartcan hardware ...\n");
   5         outb(0x00,candevices_p[card]->res_addr);
   6         while (i < 1000000) {
   7                 i++;
   8                 outb(0x01,candevices_p[card]->res_addr);
   9         }
  10         outb(0x00,candevices_p[card]->res_addr);
  11
  12         /* Check hardware reset status */
  13         i=0;
  14         outb(candevices_p[card]->io_addr+iCPU,candevices_p[card]->io_addr);
  15         while ( (inb(candevices_p[card]->io_addr+1)&0x80) && (i<=15) ) {
  16                 udelay(20000);
  17                 i++;
  18         }
  19         if (i>=15) {
  20                 CANMSG("Reset status timeout!\n");
  21                 CANMSG("Please check your hardware.\n");
  22                 return -ENODEV;
  23         }
  24         else
  25                 DEBUGMSG("Chip0 reset status ok.\n");
  26
  27         return 0;
  28 }