hwdrv_apci3200.c

最新版comedi的源码

  | Return Value      : TRUE  : No error occur                                 |
  |		            : FALSE : Error occur. Return the error	     	 |
  |			                                                         |
  +----------------------------------------------------------------------------+
*/
INT i_APCI3200_WriteDigitalOutput(comedi_device *dev,comedi_subdevice *s,comedi_insn *insn,lsampl_t *data) 
{
  UINT ui_Temp=0,ui_Temp1=0;
  UINT ui_NoOfChannel = CR_CHAN(insn->chanspec); // get the channel
  if(devpriv->b_OutputMemoryStatus )
    {
      ui_Temp=inl(devpriv->i_IobaseAddon);
 
    }//if(devpriv->b_OutputMemoryStatus )
  else
    {
      ui_Temp=0;
    }//if(devpriv->b_OutputMemoryStatus )
  if(data[3]==0)
    { 
      if(data[1]==0)
	{
	  data[0]=(data[0] << ui_NoOfChannel)|ui_Temp;
	  outl(data[0],devpriv->i_IobaseAddon);  
	}//if(data[1]==0) 
      else
	{
	  if(data[1]==1)
	    { 
	      switch( ui_NoOfChannel)
		{

		case 2:data[0]=(data[0] << (2 * data[2]))|ui_Temp; 
		  break;
		case 3:data[0]=(data[0]|ui_Temp);
		  break;
		}//switch(ui_NoOfChannels)
   
	      outl(data[0],devpriv->i_IobaseAddon);
	    }// if(data[1]==1)
	  else
	    {
	      printk("\nSpecified channel not supported\n");
	    }//else if(data[1]==1)
	}//elseif(data[1]==0)
    }//if(data[3]==0)
  else
    {
      if(data[3]==1)
	{
	  if(data[1]==0)
	    {
	      data[0]=~data[0]&0x1;
	      ui_Temp1=1;
	      ui_Temp1=ui_Temp1<<ui_NoOfChannel;
	      ui_Temp=ui_Temp|ui_Temp1;  
	      data[0]=(data[0] << ui_NoOfChannel)^0xf;
	      data[0]=data[0]& ui_Temp; 
	      outl(data[0],devpriv->i_IobaseAddon);  
	    }//if(data[1]==0) 
	  else
	    {
	      if(data[1]==1)
		{ 
		  switch( ui_NoOfChannel)
		    {

		    case 2: data[0]=~data[0]&0x3; 
		      ui_Temp1=3;
		      ui_Temp1=ui_Temp1<<2 * data[2];
		      ui_Temp=ui_Temp|ui_Temp1;   
		      data[0]=((data[0] << (2 * data[2]))^0xf)& ui_Temp; 

		      break;
		    case 3:
		      break;

		    default:
 	              comedi_error(dev," chan spec wrong");
		      return -EINVAL;   // "sorry channel spec wrong "  
		    }//switch(ui_NoOfChannels)
   
		  outl(data[0],devpriv->i_IobaseAddon);
		}// if(data[1]==1)
	      else
		{
		  printk("\nSpecified channel not supported\n");
		}//else if(data[1]==1)
	    }//elseif(data[1]==0)
	}//if(data[3]==1);
      else
	{
	  printk("\nSpecified functionality does not exist\n");
	  return -EINVAL;
	}//if else data[3]==1)
    }//if else data[3]==0) 
  return insn->n;
}

/*
  +----------------------------------------------------------------------------+
  | Function   Name   : int i_APCI3200_ReadDigitalOutput                       |
  |			  (comedi_device *dev,comedi_subdevice *s,               | 
  |                      comedi_insn *insn,lsampl_t *data)                     |
  +----------------------------------------------------------------------------+
  | Task              : Read  value  of the selected channel or port           |
  +----------------------------------------------------------------------------+
  | Input Parameters  : comedi_device *dev      : Driver handle                |
  |                     UINT ui_NoOfChannels    : No Of Channels To read       |
  |                     UINT *data              : Data Pointer to read status  |
  data[0]                 :0 read single channel
  1 read port value
  data[1]                  port no
                     
  +----------------------------------------------------------------------------+
  | Output Parameters :	--													 |
  +----------------------------------------------------------------------------+
  | Return Value      : TRUE  : No error occur                                 |
  |		            : FALSE : Error occur. Return the error          |
  |			                                                         |
  +----------------------------------------------------------------------------+
*/
INT i_APCI3200_ReadDigitalOutput(comedi_device *dev,comedi_subdevice *s,comedi_insn *insn,lsampl_t *data) 
{
  UINT ui_Temp;
  UINT ui_NoOfChannel;
  ui_NoOfChannel=CR_CHAN(insn->chanspec);
  ui_Temp=data[0];
  *data=inl(devpriv->i_IobaseAddon);
  if  (ui_Temp==0)
    {
      *data=(*data >> ui_NoOfChannel)&0x1; 
    } // if  (ui_Temp==0)
  else
    {
      if  (ui_Temp==1)
	{
	  if(data[1] <0 ||data[1] >1)
            {
	      printk("\nThe port selection is in error\n");
	      return -EINVAL;
            }//if(data[1] <0 ||data[1] >1)   
	  switch (ui_NoOfChannel)
	    {
	    case 2: 
	      *data=(*data >>(2*data[1]))&3; 
	      break;

	    case 3:break; 
                    

	    default:
	      comedi_error(dev," chan spec wrong");
	      return -EINVAL;   // "sorry channel spec wrong "  
	      break;
	    } // switch(ui_NoOfChannels)    
        } // if  (ui_Temp==1)
      else
        {
	  printk("\nSpecified channel not supported \n");
        } // else if (ui_Temp==1)
    } // else if  (ui_Temp==0)
  return insn->n;
}

/*
  +----------------------------------------------------------------------------+
  | Function   Name   : INT i_APCI3200_ConfigAnalogInput                       |
  |			  (comedi_device *dev,comedi_subdevice *s,               | 
  |                      comedi_insn *insn,lsampl_t *data)                     |
  +----------------------------------------------------------------------------+
  | Task              : Configures The Analog Input Subdevice                  |
  +----------------------------------------------------------------------------+
  | Input Parameters  : comedi_device *dev      : Driver handle                |
  |                     comedi_subdevice *s     : Subdevice Pointer            |  
  |                     comedi_insn *insn       : Insn Structure Pointer       |  
  |                     lsampl_t *data          : Data Pointer contains        |
  |                                          configuration parameters as below |
  |                                                                            | 
  |					data[0]            
  |                                               0:Normal AI                  |
  |                                               1:RTD                        |  
  |                                               2:THERMOCOUPLE               |
  |				    data[1]            : Gain To Use                 |
  |                                                                            |
  |                           data[2]            : Polarity                             	
  |                                                0:Bipolar                   |  	
  |                                                1:Unipolar                  | 	
  |															    	 | 	
  |                           data[3]            : Offset Range                         	
  |                                                                            | 	
  |                           data[4]            : Coupling                            
  |                                                0:DC Coupling               |
  |                                                1:AC Coupling               |
  |                                                                            |
  |                           data[5]            :Differential/Single                   
  |                                                0:Single                    |
  |                                                1:Differential              |
  |                                                                            |
  |                           data[6]            :TimerReloadValue                     
  |                                                                            |
  |                           data[7]            :ConvertingTimeUnit                   
  |                                                                            |
  |                           data[8]             :0 Analog voltage measurement
  1 Resistance measurement
  2 Temperature measurement    
  |                           data[9]            :Interrupt                            
  |                                              0:Disable                         
  |                                              1:Enable    
  data[10]           :Type of Thermocouple                       
  |                          data[11]           : 0: single channel
  Module Number                    
  |                                        
  |                          data[12]                            	
  |                                             0:Single Read                        	
  |                                             1:Read more channel  
  2:Single scan                       	
  |                                             3:Continous Scan                
  data[13]          :Number of channels to read      	
  |                          data[14]          :RTD connection type
  :0:RTD not used
  1:RTD 2 wire connection
  2:RTD 3 wire connection
  3:RTD 4 wire connection                                          
  |                                                                            | 
  |                                                                            | 
  |                                                                            | 	
  +----------------------------------------------------------------------------+
  | Output Parameters :	--													 |
  +----------------------------------------------------------------------------+
  | Return Value      : TRUE  : No error occur                                 |
  |		            : FALSE : Error occur. Return the error          |
  |			                                                         |
  +----------------------------------------------------------------------------+
*/
INT i_APCI3200_ConfigAnalogInput(comedi_device *dev,comedi_subdevice *s,comedi_insn *insn,lsampl_t *data) 
{

  UINT  ul_Config = 0,ul_Temp=0 ; 
  UINT ui_ChannelNo=0; 
  UINT ui_Dummy=0;
  INT i_err=0;	
  
  //Begin JK 21.10.2004: APCI-3200 / APCI-3300 Reading of EEPROM values
  
#ifdef PRINT_INFO   
  INT i=0, i2=0;
#endif  
  //End JK 21.10.2004: APCI-3200 / APCI-3300 Reading of EEPROM values
  
  //BEGIN JK 06.07.04: Management of sevrals boards   
  // Initialize the structure
  if (s_BoardInfos [dev->minor].b_StructInitialized != 1)
    {
      s_BoardInfos [dev->minor].i_CJCAvailable=1; 
      s_BoardInfos [dev->minor].i_CJCPolarity=0;
      s_BoardInfos [dev->minor].i_CJCGain=2;//changed from 0 to 2 
      s_BoardInfos [dev->minor].i_InterruptFlag=0;
      s_BoardInfos [dev->minor].i_AutoCalibration=0;   //: auto calibration  
      s_BoardInfos [dev->minor].i_ChannelCount=0;
      s_BoardInfos [dev->minor].i_Sum=0;
      s_BoardInfos [dev->minor].ui_Channel_num=0;
      s_BoardInfos [dev->minor].i_Count=0;
      s_BoardInfos [dev->minor].i_Initialised=0;      
      s_BoardInfos [dev->minor].b_StructInitialized = 1;
      
      //Begin JK 21.10.2004: APCI-3200 / APCI-3300 Reading of EEPROM values 
      s_BoardInfos [dev->minor].i_ConnectionType = 0;
      //End JK 21.10.2004: APCI-3200 / APCI-3300 Reading of EEPROM values 
      
      //Begin JK 21.10.2004: APCI-3200 / APCI-3300 Reading of EEPROM values 
      memset (s_BoardInfos [dev->minor].s_Module, 0, sizeof (s_BoardInfos [dev->minor].s_Module[MAX_MODULE]));
      
      v_GetAPCI3200EepromCalibrationValue (devpriv->i_IobaseAmcc, &s_BoardInfos [dev->minor]);       

#ifdef PRINT_INFO 
      for (i=0; i<MAX_MODULE; i++)
	{
	  printk ("\n s_Module[%i].ul_CurrentSourceCJC = %lu",i, s_BoardInfos [dev->minor].s_Module[i].ul_CurrentSourceCJC);
	 
	  for (i2=0; i2<5; i2++)
	    {
	      printk ("\n s_Module[%i].ul_CurrentSource [%i] = %lu",i, i2, s_BoardInfos [dev->minor].s_Module[i].ul_CurrentSource [i2]);	 
	    }
	 
	  for (i2=0; i2<8; i2++)
	    {
	      printk ("\n s_Module[%i].ul_GainFactor [%i] = %lu",i, i2, s_BoardInfos [dev->minor].s_Module[i].ul_GainFactor [i2]);	 
	    }
	    
	  for (i2=0; i2<8; i2++)
	    {
	      printk ("\n s_Module[%i].w_GainValue [%i] = %u",i, i2, s_BoardInfos [dev->minor].s_Module[i].w_GainValue [i2]);	    
	    }	    
	}
#endif
      //End JK 21.10.2004: APCI-3200 / APCI-3300 Reading of EEPROM values 
    }  
  	 
  if(data[0]!=0 && data[0]!=1 && data[0]!=2)
    {
      printk("\nThe selection of acquisition type is in error\n");
      i_err++;
    }//if(data[0]!=0 && data[0]!=1 && data[0]!=2)
  if(data[0]==1)
    {
      if(data[14]!=0 && data[14]!=1 && data[14]!=2 && data[14]!=4)
	{
          printk("\n Error in selection of RTD connection type\n");
          i_err++; 
	}//if(data[14]!=0 && data[14]!=1 && data[14]!=2 && data[14]!=4)
    }//if(data[0]==1 )  
  if(data[1]<0 || data[1]>7)
    {
      printk("\nThe selection of gain is in error\n");
      i_err++;
    } // if(data[1]<0 || data[1]>7)
  if(data[2]!=0 &&  data[2]!=1)
    {
      printk("\nThe selection of polarity is in error\n");