apci1710_inccpt.c

最新版comedi的源码

			     if (b_AutoMode == APCI1710_DISABLE)
				{
				devpriv->
				s_ModuleInfo [b_ModulNbr].
				s_SiemensCounterInfo.
				s_ModeRegister.
				s_ByteModeRegister.
				b_ModeRegister2 = devpriv->
						  s_ModuleInfo [b_ModulNbr].
						  s_SiemensCounterInfo.
						  s_ModeRegister.
						  s_ByteModeRegister.
						  b_ModeRegister2 | APCI1710_INDEX_AUTO_MODE;
				}
			     else
				{
				devpriv->
				s_ModuleInfo [b_ModulNbr].
				s_SiemensCounterInfo.
				s_ModeRegister.
				s_ByteModeRegister.
				b_ModeRegister2 = devpriv->
						  s_ModuleInfo [b_ModulNbr].
						  s_SiemensCounterInfo.
						  s_ModeRegister.
						  s_ByteModeRegister.
						  b_ModeRegister2 & (~APCI1710_INDEX_AUTO_MODE);
				}

			     if (b_InterruptEnable == APCI1710_ENABLE)
				{
				devpriv->
				s_ModuleInfo [b_ModulNbr].
				s_SiemensCounterInfo.
				s_ModeRegister.
				s_ByteModeRegister.
				b_ModeRegister3 = devpriv->
						  s_ModuleInfo [b_ModulNbr].
						  s_SiemensCounterInfo.
						  s_ModeRegister.
						  s_ByteModeRegister.
						  b_ModeRegister3 | APCI1710_ENABLE_INDEX_INT;
				}
			     else
				{
				devpriv->
				s_ModuleInfo [b_ModulNbr].
				s_SiemensCounterInfo.
				s_ModeRegister.
				s_ByteModeRegister.
				b_ModeRegister3 = devpriv->
						  s_ModuleInfo [b_ModulNbr].
						  s_SiemensCounterInfo.
						  s_ModeRegister.
						  s_ByteModeRegister.
						  b_ModeRegister3 & APCI1710_DISABLE_INDEX_INT;
				}

			     devpriv->
			     s_ModuleInfo [b_ModulNbr].
			     s_SiemensCounterInfo.
			     s_InitFlag.
			     b_IndexInit = 1;
			    
			  }
		       else
			  {
			  /********************************/
			  /* Interrupt parameter is wrong */
			  /********************************/
			  DPRINTK("Interrupt parameter is wrong\n");	
			  i_ReturnValue = -7;
			  }
		       }
		    else
		       {
		       /************************************/
		       /* The auto mode parameter is wrong */
		       /************************************/

			   DPRINTK("The auto mode parameter is wrong\n");
		       i_ReturnValue = -6;
		       }
		    }
		 else
		    {
		    /***********************************************/
		    /* The index operating mode parameter is wrong */
		    /***********************************************/

		    DPRINTK("The index operating mode parameter is wrong\n");
		    i_ReturnValue = -5;
		    }
		 }
	      else
		 {
		 /*******************************************/
		 /* The reference action parameter is wrong */
		 /*******************************************/

		 DPRINTK("The reference action parameter is wrong\n");
		 i_ReturnValue = -4;
		 }
	      }
	   else
	      {
	      /****************************************/
	      /* Counter not initialised see function */
	      /* "i_APCI1710_InitCounter"             */
	      /****************************************/

	      DPRINTK("Counter not initialised\n"); 	
	      i_ReturnValue = -3;
	      }
	   }
	else
	   {
	   /*************************************************/
	   /* The selected module number parameter is wrong */
	   /*************************************************/

	   DPRINTK("The selected module number parameter is wrong\n");
	   i_ReturnValue = -2;
	   }

	return (i_ReturnValue);
	}



/*
+----------------------------------------------------------------------------+
| Function Name     : _INT_ i_APCI1710_InitReference                         |
|                                                (BYTE_ b_BoardHandle,       |
|                                                 BYTE_ b_ModulNbr,          |
|                                                 BYTE_ b_ReferenceLevel)    |
+----------------------------------------------------------------------------+
| Task              : Initialise the reference corresponding to the selected |
|                     module (b_ModulNbr).                                   |
|                                                                            |
|                               Reference level                              |
|                               ---------------                              |
|             +--------------------+-------------------------+               |
|             | b_ReferenceLevel   |         Operation       |               |
|             +--------------------+-------------------------+               |
|             |   APCI1710_LOW     |  Reference occur if "0" |               |
|             |--------------------|-------------------------|               |
|             |   APCI1710_HIGH    |  Reference occur if "1" |               |
|             +--------------------+-------------------------+               |
+----------------------------------------------------------------------------+
| Input Parameters  : BYTE_ b_BoardHandle     : Handle of board APCI-1710    |
|                     BYTE_ b_ModulNbr        : Module number to configure   |
|                                               (0 to 3)                     |
|                     BYTE_ b_ReferenceLevel  : Reference level.             |
+----------------------------------------------------------------------------+
| Output Parameters : -                                                      |
+----------------------------------------------------------------------------+
| Return Value      :  0: No error                                           |
|                     -1: The handle parameter of the board is wrong         |
|                     -2: The selected module number parameter is wrong      |
|                     -3: Counter not initialised see function               |
|                         "i_APCI1710_InitCounter"                           |
|                     -4: Reference level parameter is wrong                 |
+----------------------------------------------------------------------------+
*/

INT   i_APCI1710_InitReference        (comedi_device *dev,
					 BYTE b_ModulNbr,
					 BYTE b_ReferenceLevel)
	{
	INT i_ReturnValue = 0;
	
	/**************************/
	/* Test the module number */
	/**************************/

	if (b_ModulNbr < 4)
	   {
	   /*******************************/
	   /* Test if counter initialised */
	   /*******************************/

	   if (devpriv->
	       s_ModuleInfo [b_ModulNbr].
	       s_SiemensCounterInfo.
	       s_InitFlag.
	       b_CounterInit == 1)
	      {
	      /**************************************/
	      /* Test the reference level parameter */
	      /**************************************/

	      if (b_ReferenceLevel == 0 ||
		  b_ReferenceLevel == 1)
		 {
		 if (b_ReferenceLevel == 1)
		    {
		    devpriv->
		    s_ModuleInfo [b_ModulNbr].
		    s_SiemensCounterInfo.
		    s_ModeRegister.
		    s_ByteModeRegister.
		    b_ModeRegister2 = devpriv->
				      s_ModuleInfo [b_ModulNbr].
				      s_SiemensCounterInfo.
				      s_ModeRegister.
				      s_ByteModeRegister.
				      b_ModeRegister2 | APCI1710_REFERENCE_HIGH;
		    }
		 else
		    {
		    devpriv->
		    s_ModuleInfo [b_ModulNbr].
		    s_SiemensCounterInfo.
		    s_ModeRegister.
		    s_ByteModeRegister.
		    b_ModeRegister2 = devpriv->
				      s_ModuleInfo [b_ModulNbr].
				      s_SiemensCounterInfo.
				      s_ModeRegister.
				      s_ByteModeRegister.
				      b_ModeRegister2 & APCI1710_REFERENCE_LOW;
		    }

		 
		 outl(devpriv->s_ModuleInfo [b_ModulNbr].
			 s_SiemensCounterInfo.
			 s_ModeRegister.
			 dw_ModeRegister1_2_3_4,devpriv->s_BoardInfos.
			 ui_Address + 20 + (64 * b_ModulNbr));


		 devpriv->
		 s_ModuleInfo [b_ModulNbr].
		 s_SiemensCounterInfo.
		 s_InitFlag.
		 b_ReferenceInit = 1;
		 }
	      else
		 {
		 /**************************************/
		 /* Reference level parameter is wrong */
		 /**************************************/

		 DPRINTK("Reference level parameter is wrong\n");
		 i_ReturnValue = -4;
		 }
	      }
	   else
	      {
	      /****************************************/
	      /* Counter not initialised see function */
	      /* "i_APCI1710_InitCounter"             */
	      /****************************************/

	      DPRINTK("Counter not initialised\n");	
	      i_ReturnValue = -3;
	      }
	   }
	else
	   {
	   /*************************************************/
	   /* The selected module number parameter is wrong */
	   /*************************************************/

	   DPRINTK("The selected module number parameter is wrong\n");	
	   i_ReturnValue = -2;
	   }

	return (i_ReturnValue);
	}



	
/*
+----------------------------------------------------------------------------+
| Function Name     : _INT_	i_APCI1710_InitExternalStrobe                |
|					(BYTE_ b_BoardHandle,                |
|					 BYTE_ b_ModulNbr,                   |
|					 BYTE_ b_ExternalStrobe,             |
|					 BYTE_ b_ExternalStrobeLevel)        |
+----------------------------------------------------------------------------+
| Task              : Initialises the external strobe level corresponding to |
|		      the selected module (b_ModulNbr).                      |
+----------------------------------------------------------------------------+
| Input Parameters  : BYTE_ b_BoardHandle     : Handle of board APCI-1710    |
|                     BYTE_ b_ModulNbr        : Module number to configure   |
|                                               (0 to 3)                     |
|		      BYTE_ b_ExternalStrobe  : External strobe selection    |
|						0 : External strobe A        |
|						1 : External strobe B        |
|		      BYTE_ b_ExternalStrobeLevel : External strobe level    |
|						APCI1710_LOW :               |
|						External latch occurs if "0" |
|						APCI1710_HIGH :              |
|						External latch occurs if "1" |
+----------------------------------------------------------------------------+
| Output Parameters : -                                                      |
+----------------------------------------------------------------------------+
| Return Value      :  0: No error                                           |
|                     -1: The handle parameter of the board is wrong         |
|                     -2: The selected module number is wrong                |
|                     -3: Counter not initialised.                           |
|			  See function "i_APCI1710_InitCounter"              |
|                     -4: External strobe selection is wrong                 |
|                     -5: External strobe level parameter is wrong           |
+----------------------------------------------------------------------------+
*/

INT	i_APCI1710_InitExternalStrobe	(comedi_device *dev,
					 BYTE b_ModulNbr,
					 BYTE b_ExternalStrobe,
					 BYTE b_ExternalStrobeLevel)
	{
	INT    i_ReturnValue = 0;