hwdrv_apci16xx.c

最新版comedi的源码

/**
@verbatim

Copyright (C) 2004,2005  ADDI-DATA GmbH for the source code of this module. 
        
        ADDI-DATA GmbH 
        Dieselstrasse 3 
        D-77833 Ottersweier 
        Tel: [phone] 
        Fax: [phone] 
        http://www.addi-data-com 
        [e-mail] 

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

You shoud also find the complete GPL in the COPYING file accompanying this source code.

@endverbatim
*/
/*
    
  +-----------------------------------------------------------------------+
  | (C) ADDI-DATA GmbH          Dieselstraße 3       D-77833 Ottersweier  |
  +-----------------------------------------------------------------------+
  | Tel : [phone]     | email    : [e-mail]         |
  | Fax : [phone]    | Internet : http://www.addi-data.com   |
  +-----------------------------------------------------------------------+
  | Project     : API APCI1648    | Compiler : gcc                        |
  | Module name : TTL.C           | Version  : 2.96                       |
  +-------------------------------+---------------------------------------+
  | Project manager: S. Weber     | Date     :  25/05/2005                |
  +-----------------------------------------------------------------------+
  | Description :   APCI-16XX TTL I/O module                              |
  |                                                                       |
  |                                                                       |
  +-----------------------------------------------------------------------+
  |                             UPDATES                                   |
  +-----------------------------------------------------------------------+
  |   Date   |   Author  |          Description of updates                |
  +----------+-----------+------------------------------------------------+
  |25.05.2005| S.Weber   | Creation                                       |
  |          |           |                                                |
  +-----------------------------------------------------------------------+
*/

/*
+----------------------------------------------------------------------------+
|                               Included files                               |
+----------------------------------------------------------------------------+
*/

#include "hwdrv_apci16xx.h"


/*
+----------------------------------------------------------------------------+
| Function Name     : INT   i_APCI16XX_InsnConfigInitTTLIO                   |
|                          (comedi_device    *dev,                           |
|                           comedi_subdevice *s,                             |
|                           comedi_insn      *insn,                          |
|                           lsampl_t         *data)                          |
+----------------------------------------------------------------------------+
| Task           APCI16XX_TTL_INIT (using defaults)   :                      |
|                Configure the TTL I/O operating mode from all ports         |
|                You must calling this function be                           |
|                for you call any other function witch access of TTL.        |
|                APCI16XX_TTL_INITDIRECTION(user inputs for direction)       |
+----------------------------------------------------------------------------+
| Input Parameters  : b_InitType    = (BYTE) data[0];                        |
|                     b_Port0Mode   = (BYTE) data[1];                        |
|                     b_Port1Mode   = (BYTE) data[2];                        |
|                     b_Port2Mode   = (BYTE) data[3];                        |
|                     b_Port3Mode   = (BYTE) data[4];                        |
|                     ........                                               |
+----------------------------------------------------------------------------+
| Output Parameters : -                                                      |
+----------------------------------------------------------------------------+
| Return Value      :>0: No error                                            |
|                    -1: Port 0 mode selection is wrong                      |
|                    -2: Port 1 mode selection is wrong                      |
|                    -3: Port 2 mode selection is wrong                      |
|                    -4: Port 3 mode selection is wrong                      |
|                    -X: Port X-1 mode selection is wrong                    |
|                    ....                                                    |
|                    -100 : Config command error                             |
|                    -101 : Data size error                                  |
+----------------------------------------------------------------------------+
*/


int   i_APCI16XX_InsnConfigInitTTLIO(comedi_device    *dev,
                                     comedi_subdevice *s,
                                     comedi_insn      *insn,
                                     lsampl_t         *data) 
	{
	INT        i_ReturnValue            = insn->n;
	BYTE       b_Command                = 0;
	BYTE       b_Cpt                    = 0;
	BYTE       b_NumberOfPort           = (BYTE) (devpriv->ps_BoardInfo->i_NbrTTLChannel / 8);
	
	
	/************************/
	/* Test the buffer size */
	/************************/
	
	if (insn->n >= 1)
	   {
	   /*******************/
	   /* Get the command */
	   /* *****************/
	   
	   b_Command = (BYTE) data[0];
	   
	   /********************/
	   /* Test the command */
	   /********************/
	   
	   if ((b_Command == APCI16XX_TTL_INIT)          || 
	       (b_Command == APCI16XX_TTL_INITDIRECTION) || 
	       (b_Command == APCI16XX_TTL_OUTPUTMEMORY))
	      {
	      /***************************************/
	      /* Test the initialisation buffer size */
	      /***************************************/
	      
	      if ((b_Command == APCI16XX_TTL_INITDIRECTION) && ((BYTE) (insn->n - 1) != b_NumberOfPort))
	         {
	         /*******************/
	         /* Data size error */
	         /*******************/
	         
                 printk("\nBuffer size error");
	         i_ReturnValue = -101;
	         }

	      if ((b_Command == APCI16XX_TTL_OUTPUTMEMORY) && ((BYTE) (insn->n) != 2))
	         {
	         /*******************/
	         /* Data size error */
	         /*******************/
	         
                 printk("\nBuffer size error");
	         i_ReturnValue = -101;
	         }
	      }
	   else
	      {
	      /************************/
	      /* Config command error */
	      /************************/
	      
	      printk("\nCommand selection error");
	      i_ReturnValue = -100;
	      }
	   }
	else
	   {
	   /*******************/
	   /* Data size error */
	   /*******************/
	       
	   printk("\nBuffer size error");
	   i_ReturnValue = -101;
	   }
	   
	   
	/**************************************************************************/
	/* Test if no error occur and APCI16XX_TTL_INITDIRECTION command selected */
	/**************************************************************************/
	
	if ((i_ReturnValue >= 0) && (b_Command == APCI16XX_TTL_INITDIRECTION))
	   {
	   memset (devpriv->ul_TTLPortConfiguration, 0, sizeof(devpriv->ul_TTLPortConfiguration));

	   /*************************************/
	   /* Test the port direction selection */
	   /*************************************/
	   
	   for (b_Cpt = 1; (b_Cpt <= b_NumberOfPort) && (i_ReturnValue >= 0); b_Cpt ++)
	      {
	      /**********************/
	      /* Test the direction */
	      /**********************/
	      
	      if ((data[b_Cpt] != 0) && (data[b_Cpt] != 0xFF))
	         {
	         /************************/
                 /* Port direction error */
                 /************************/
                 
	         printk("\nPort %d direction selection error", (INT) b_Cpt);
	         i_ReturnValue = - (INT) b_Cpt;
	         }
	      
              /**************************/
              /* Save the configuration */
              /**************************/


              devpriv->ul_TTLPortConfiguration[(b_Cpt - 1) / 4] = devpriv->ul_TTLPortConfiguration[(b_Cpt - 1) / 4] |
                                                                  (data[b_Cpt] << (8 * ((b_Cpt - 1) % 4)));
	      }
	   }
	   
	/**************************/
	/* Test if no error occur */
	/**************************/
	
	if (i_ReturnValue >= 0)
	   {
	   /***********************************/
	   /* Test if TTL port initilaisation */
	   /***********************************/
	   
	   if ((b_Command == APCI16XX_TTL_INIT) || (b_Command == APCI16XX_TTL_INITDIRECTION))
	      {
	      /******************************/
	      /* Set all port configuration */
	      /******************************/
	   
	      for (b_Cpt = 0; b_Cpt <= b_NumberOfPort; b_Cpt ++)
	         {
	         if ((b_Cpt % 4) == 0)
	            {
	            /*************************/
	            /* Set the configuration */
	            /*************************/

                    outl(devpriv->ul_TTLPortConfiguration[b_Cpt / 4],devpriv->iobase + 32 + b_Cpt);
                    }
                 }
              }
	   }
	
	/************************************************/
	/* Test if output memory initialisation command */
	/************************************************/
	   
	if (b_Command == APCI16XX_TTL_OUTPUTMEMORY)
	   {
           if  (data[1])
              {
              devpriv->b_OutputMemoryStatus = ADDIDATA_ENABLE; 
              }
           else
              {
              devpriv->b_OutputMemoryStatus = ADDIDATA_DISABLE;
              }
	   }

	return (i_ReturnValue);
	}


/*
+----------------------------------------------------------------------------+
|                            INPUT FUNCTIONS                                 |
+----------------------------------------------------------------------------+
*/


/*
+----------------------------------------------------------------------------+
| Function Name     : INT     i_APCI16XX_InsnBitsReadTTLIO                   |
|                          (comedi_device    *dev,                           |
|                           comedi_subdevice *s,                             |
|                           comedi_insn      *insn,                          |
|                           lsampl_t         *data)                          |