can_simulate.ini

can bus 源代码

/*-----------------------------------------------*/
/* CAN_loopback() simulates loopback connection  */
/* between CAN1 and CAN2 ports of the ARM        */
/*-----------------------------------------------*/
signal void CAN_loopback_2_to_1 (void) {
  while (1) {
    wwatch(CAN2OUT);
    CAN1ID = CAN2ID;
    CAN1B0 = CAN2B0;
    CAN1B1 = CAN2B1;
    CAN1B2 = CAN2B2;
    CAN1B3 = CAN2B3;
    CAN1B4 = CAN2B4;
    CAN1B5 = CAN2B5;
    CAN1B6 = CAN2B6;
    CAN1B7 = CAN2B7;
    CAN1L  = CAN2L;
    CAN1IN = CAN2OUT;
  }
}
signal void CAN_loopback_1_to_2 (void) {
  while (1) {
    wwatch(CAN1OUT);
    CAN2ID = CAN1ID;
    CAN2B0 = CAN1B0;
    CAN2B1 = CAN1B1;
    CAN2B2 = CAN1B2;
    CAN2B3 = CAN1B3;
    CAN2B4 = CAN1B4;
    CAN2B5 = CAN1B5;
    CAN2B6 = CAN1B6;
    CAN2B7 = CAN1B7;
    CAN2L  = CAN1L;
    CAN2IN = CAN1OUT;
  }
}


/*-----------------------------------------------*/
/* Analog0() simulates analog input values given */
/* to channel-0 (AIN0) of the ARM  derivative    */
/*-----------------------------------------------*/
Signal void analog0 (float limit)  {
  float volts;

  /* printf ("Analog0 (%f) entered.\n", limit);  */
  while (1)  {          /* forever */
    volts = 0;
    while (volts <= limit)  {
      ain0 = volts;     /* analog input-0 */
      twatch (100000);  /* 100000 Cycles Time-Break */
      volts += 0.01;    /* increase voltage */
    }
    volts = limit;
    while (volts >= 0.0)  {
      ain0 = volts;
      twatch (100000);  /* 100000 Cycles Time-Break */
      volts -= 0.01;    /* decrease voltage */
    }
  }
}

kill button *

define button "Analog sweep 0 .. 3.3V",     "analog0 (3.3)"
define button "Analog sweep STOP",          "signal kill analog0"
define button "CAN loopback 1 to 2 ON",     "CAN_loopback_1_to_2 ()"
define button "CAN loopback 2 to 1 ON",     "CAN_loopback_2_to_1 ()"
define button "CAN loopback 1 to 2 OFF",    "signal kill CAN_loopback_1_to_2"
define button "CAN loopback 2 to 1 OFF",    "signal kill CAN_loopback_2_to_1"