apci1710_82x54.c

最新版comedi的源码

                         data[2]=devpriv->s_InterruptParameters.
						      s_FIFOInterruptParameters [devpriv->
										 s_InterruptParameters.
										 ui_Read].ul_OldCounterLatchValue;

			     
			     /**************************/
			     /* Increment the read FIFO */
			     /***************************/

			     devpriv->
			     s_InterruptParameters.
			     ui_Read = (devpriv->
					s_InterruptParameters.
					ui_Read + 1) % APCI1710_SAVE_INTERRUPT;

         break;

        
         case APCI1710_TIMER_READALLTIMER:
	/**************************/
	/* Test the module number */
	/**************************/
       

	if (b_ModulNbr < 4)
	   {
	   /***********************/
	   /* Test if 82X54 timer */
	   /***********************/

	   if ((devpriv->s_BoardInfos.
		dw_MolduleConfiguration [b_ModulNbr] & 0xFFFF0000UL) == APCI1710_82X54_TIMER)
	      {
	      /********************************/
	      /* Test if timer 0 iniutialised */
	      /********************************/

	      if (devpriv->s_ModuleInfo [b_ModulNbr].
		  s_82X54ModuleInfo.
		  s_82X54TimerInfo  [0].
		  b_82X54Init == 1)
		 {
		 /********************************/
		 /* Test if timer 1 iniutialised */
		 /********************************/

		 if (devpriv->s_ModuleInfo [b_ModulNbr].
		     s_82X54ModuleInfo.
		     s_82X54TimerInfo  [1].
		     b_82X54Init == 1)
		    {
		    /********************************/
		    /* Test if timer 2 iniutialised */
		    /********************************/

		    if (devpriv->s_ModuleInfo [b_ModulNbr].
			s_82X54ModuleInfo.
			s_82X54TimerInfo  [2].
			b_82X54Init == 1)
		       {
		       /*********************/
		       /* Latch all counter */
		       /*********************/

		       
				outl(0x17,devpriv->s_BoardInfos.
			       ui_Address + 12 + (64 * b_ModulNbr));

		       /**************************/
		       /* Read the timer 0 value */
		       /**************************/

		       
				pul_TimerValueArray [0]=inl(devpriv->s_BoardInfos.
			      ui_Address + 0 + (64 * b_ModulNbr));

		       /**************************/
		       /* Read the timer 1 value */
		       /**************************/

		       
				pul_TimerValueArray [1]=inl(devpriv->s_BoardInfos.
			      ui_Address + 4 + (64 * b_ModulNbr));

		       /**************************/
		       /* Read the timer 2 value */
		       /**************************/

		       
				pul_TimerValueArray [2]=inl(devpriv->s_BoardInfos.
			      ui_Address + 8 + (64 * b_ModulNbr));
		       }
		    else
		       {
		       /****************************************/
		       /* Timer 2 not initialised see function */
		       /****************************************/

                      DPRINTK("Timer 2 not initialised see function\n");
		       i_ReturnValue = -6;
		       }
		    }
		 else
		    {
		    /****************************************/
		    /* Timer 1 not initialised see function */
		    /****************************************/

			DPRINTK("Timer 1 not initialised see function\n");
		    i_ReturnValue = -5;
		    }
		 }
	      else
		 {
		 /****************************************/
		 /* Timer 0 not initialised see function */
		 /****************************************/

		 DPRINTK("Timer 0 not initialised see function\n");
		 i_ReturnValue = -4;
		 }
	      }
	   else
	      {
	      /************************************/
	      /* The module is not a TIMER module */
	      /************************************/

	      DPRINTK("The module is not a TIMER module\n");
	      i_ReturnValue = -3;
	      }
	   }
	else
	   {
	   /***********************/
	   /* Module number error */
	   /***********************/

	   DPRINTK("Module number error\n");
	   i_ReturnValue = -2;
	   }

       }// End of Switch
	return (i_ReturnValue);
	}



/*
+----------------------------------------------------------------------------+
| Function Name     :INT i_APCI1710_InsnBitsTimer(comedi_device *dev,
comedi_subdevice *s,comedi_insn *insn,lsampl_t *data)                   |
+----------------------------------------------------------------------------+
| Task              : Read write functions for Timer                                          |
+----------------------------------------------------------------------------+
| Input Parameters  : 
+----------------------------------------------------------------------------+
| Output Parameters : -                                                      |
+----------------------------------------------------------------------------+
| Return Value      : 
+----------------------------------------------------------------------------+
*/

INT	i_APCI1710_InsnBitsTimer(comedi_device *dev,comedi_subdevice *s,
comedi_insn *insn,lsampl_t *data)
{
	BYTE b_BitsType;
	INT i_ReturnValue=0;
    	b_BitsType=data[0];

	printk ("\n82X54");
	
	switch(b_BitsType)
	{
	case APCI1710_TIMER_READVALUE:
		i_ReturnValue=i_APCI1710_ReadTimerValue       (dev,
					 (BYTE)   CR_AREF(insn->chanspec),
					 (BYTE)    CR_CHAN(insn->chanspec),
					 (PULONG)   &data[0]);
		break;

	case APCI1710_TIMER_GETOUTPUTLEVEL:
		i_ReturnValue=i_APCI1710_GetTimerOutputLevel  (dev,
					 (BYTE)   CR_AREF(insn->chanspec),
					 (BYTE)   CR_CHAN(insn->chanspec),
					 (PBYTE)  &data[0]);
		break;

	case APCI1710_TIMER_GETPROGRESSSTATUS:
		i_ReturnValue=i_APCI1710_GetTimerProgressStatus  (dev,
						 (BYTE)   CR_AREF(insn->chanspec),
						 (BYTE)   CR_CHAN(insn->chanspec),
						 (PBYTE) &data[0]);
		break;

	case APCI1710_TIMER_WRITEVALUE:
		i_ReturnValue=i_APCI1710_WriteTimerValue      (dev,
					 (BYTE)   CR_AREF(insn->chanspec),
					 (BYTE)   CR_CHAN(insn->chanspec),
					 (ULONG)  data[1]);
                 
		break;

	default:
		printk("Bits Config Parameter Wrong\n");
                i_ReturnValue=-1;
	}

	if(i_ReturnValue>=0) i_ReturnValue =insn->n;
	return (i_ReturnValue);
}


/*
+----------------------------------------------------------------------------+
| Function Name     : _INT_     i_APCI1710_ReadTimerValue                    |
|                                       (BYTE_     b_BoardHandle,            |
|                                        BYTE_     b_ModulNbr,               |
|                                        BYTE_     b_TimerNbr,               |
|                                        PULONG_ pul_TimerValue)             |
+----------------------------------------------------------------------------+
| Task              : Return the timer value from selected digital timer     |
|                     (b_TimerNbr) from selected timer  module (b_ModulNbr). |
+----------------------------------------------------------------------------+
| Input Parameters  : BYTE_   b_BoardHandle     : Handle of board            |
|                                                 APCI-1710                  |
|                     BYTE_   b_ModulNbr        : Selected module number     |
|                                                 (0 to 3)                   |
|                     BYTE_   b_TimerNbr        : Timer number to read       |
|                                                 (0 to 2)                   |
+----------------------------------------------------------------------------+
| Output Parameters : PULONG_ pul_TimerValue    : Timer value                |
+----------------------------------------------------------------------------+
| Return Value      : 0: No error                                            |
|                    -1: The handle parameter of the board is wrong          |
|                    -2: Module selection wrong                              |
|                    -3: Timer selection wrong                               |
|                    -4: The module is not a TIMER module                    |
|                    -5: Timer not initialised see function                  |
|                        "i_APCI1710_InitTimer"                              |
+----------------------------------------------------------------------------+
*/

INT   i_APCI1710_ReadTimerValue       (comedi_device *dev,
					 BYTE     b_ModulNbr,
					 BYTE     b_TimerNbr,
					 PULONG   pul_TimerValue)
	{
	INT i_ReturnValue = 0;
	
	/**************************/
	/* Test the module number */
	/**************************/

	if (b_ModulNbr < 4)
	   {
	   /***********************/
	   /* Test if 82X54 timer */
	   /***********************/

	   if ((devpriv->s_BoardInfos.
		dw_MolduleConfiguration [b_ModulNbr] & 0xFFFF0000UL) == APCI1710_82X54_TIMER)
	      {
	      /*************************/
	      /* Test the timer number */
	      /*************************/

	      if (b_TimerNbr <= 2)
		 {
		 /*****************************/
		 /* Test if timer initialised */
		 /*****************************/

		 if (devpriv->
		     s_ModuleInfo [b_ModulNbr].
		     s_82X54ModuleInfo.
		     s_82X54TimerInfo  [b_TimerNbr].
		     b_82X54Init == 1)
		    {
		    /*************************/
		    /* Latch the timer value */
		    /*************************/

		    
			 outl((2 << b_TimerNbr) | 0xD0,devpriv->s_BoardInfos.
			    ui_Address + 12 + (64 * b_ModulNbr));

		    /**************************/
		    /* Read the counter value */
		    /**************************/

		                                   
			*pul_TimerValue=inl(devpriv->s_BoardInfos.
		   	ui_Address + (b_TimerNbr * 4) + (64 * b_ModulNbr));
		    }
		 else
		    {
		    /**************************************/
		    /* Timer not initialised see function */
		    /**************************************/
                    DPRINTK("Timer not initialised see function\n");
		    i_ReturnValue = -5;
		    }
		 }
	      else
		 {
		 /*************************/
		 /* Timer selection wrong */
		 /*************************/
		 DPRINTK("Timer selection wrong\n");
		 i_ReturnValue = -3;