?? hwdrv_apci1516.c
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/**@verbatimCopyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module. ADDI-DATA GmbH Dieselstrasse 3 D-77833 Ottersweier Tel: +19(0)7223/9493-0 Fax: +49(0)7223/9493-92 http://www.addi-data-com info@addi-data.com 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 USAYou shoud also find the complete GPL in the COPYING file accompanying this source code.@endverbatim*//* +-----------------------------------------------------------------------+ | (C) ADDI-DATA GmbH Dieselstra?e 3 D-77833 Ottersweier | +-----------------------------------------------------------------------+ | Tel : +49 (0) 7223/9493-0 | email : info@addi-data.com | | Fax : +49 (0) 7223/9493-92 | Internet : http://www.addi-data.com | +-------------------------------+---------------------------------------+ | Project : APCI-1516 | Compiler : GCC | | Module name : hwdrv_apci1516.c| Version : 2.96 | +-------------------------------+---------------------------------------+ | Project manager: Eric Stolz | Date : 02/12/2002 | +-------------------------------+---------------------------------------+ | Description : Hardware Layer Acces For APCI-1516 | +-----------------------------------------------------------------------+ | UPDATES | +----------+-----------+------------------------------------------------+ | Date | Author | Description of updates | +----------+-----------+------------------------------------------------+ | | | | | | | | | | | | +----------+-----------+------------------------------------------------+*//*+----------------------------------------------------------------------------+| Included files |+----------------------------------------------------------------------------+*/#include "hwdrv_apci1516.h"/*+----------------------------------------------------------------------------+| Function Name : int i_APCI1516_Read1DigitalInput || (comedi_device *dev,comedi_subdevice *s, || comedi_insn *insn,lsampl_t *data) |+----------------------------------------------------------------------------+| Task : Return the status of the digital input |+----------------------------------------------------------------------------+| Input Parameters : comedi_device *dev : Driver handle || comedi_subdevice *s, :pointer to subdevice structure comedi_insn *insn :pointer to insn structure || lsampl_t *data : Data Pointer to read status |+----------------------------------------------------------------------------+| Output Parameters : -- |+----------------------------------------------------------------------------+| Return Value : TRUE : No error occur || : FALSE : Error occur. Return the error || |+----------------------------------------------------------------------------+*/INT i_APCI1516_Read1DigitalInput(comedi_device *dev,comedi_subdevice *s,comedi_insn *insn,lsampl_t *data){ UINT ui_TmpValue=0; UINT ui_Channel; ui_Channel=CR_CHAN(insn->chanspec); if (ui_Channel >= 0 && ui_Channel <=7) { ui_TmpValue=(UINT) inw(devpriv->iobase + APCI1516_DIGITAL_IP); // since only 1 channel reqd to bring it to last bit it is rotated // 8 +(chan - 1) times then ANDed with 1 for last bit. *data = (ui_TmpValue >> ui_Channel)&0x1 ; }//if(ui_Channel >= 0 && ui_Channel <=7) else { //comedi_error(dev," \n chan spec wrong\n"); return -EINVAL; // "sorry channel spec wrong " }//else if(ui_Channel >= 0 && ui_Channel <=7) return insn->n;}/*+----------------------------------------------------------------------------+| Function Name : int i_APCI1516_ReadMoreDigitalInput || (comedi_device *dev,comedi_subdevice *s, || comedi_insn *insn,lsampl_t *data) |+----------------------------------------------------------------------------+| Task : Return the status of the Requested digital inputs |+----------------------------------------------------------------------------+| Input Parameters : comedi_device *dev : Driver handle || comedi_subdevice *s, :pointer to subdevice structure comedi_insn *insn :pointer to insn structure || lsampl_t *data : Data Pointer to read status |+----------------------------------------------------------------------------+| Output Parameters : -- |+----------------------------------------------------------------------------+| Return Value : TRUE : No error occur || : FALSE : Error occur. Return the error || |+----------------------------------------------------------------------------+*/INT i_APCI1516_ReadMoreDigitalInput(comedi_device *dev,comedi_subdevice *s,comedi_insn *insn,lsampl_t *data){ UINT ui_PortValue=data[0]; UINT ui_Mask=0; UINT ui_NoOfChannels; ui_NoOfChannels=CR_CHAN(insn->chanspec); *data=(UINT)inw(devpriv->iobase + APCI1516_DIGITAL_IP ); switch (ui_NoOfChannels) { case 2:ui_Mask=3; *data=(*data >>(2*ui_PortValue))&ui_Mask; break; case 4:ui_Mask=15; *data=(*data >>(4*ui_PortValue))&ui_Mask; break; case 7:break; default: printk("\nWrong parameters\n"); return -EINVAL; // "sorry channel spec wrong " break; }//switch(ui_NoOfChannels) return insn->n;}/*+----------------------------------------------------------------------------+| Function Name : int i_APCI1516_ConfigDigitalOutput (comedi_device *dev, comedi_subdevice *s comedi_insn *insn,lsampl_t *data) || |+----------------------------------------------------------------------------+| Task : Configures The Digital Output Subdevice. |+----------------------------------------------------------------------------+| Input Parameters : comedi_device *dev : Driver handle || lsampl_t *data : Data Pointer contains || configuration parameters as below || comedi_subdevice *s, :pointer to subdevice structure comedi_insn *insn :pointer to insn structure | | data[0] :1:Memory on | | 0:Memory off | | | | |+----------------------------------------------------------------------------+| Output Parameters : -- |+----------------------------------------------------------------------------+| Return Value : TRUE : No error occur || : FALSE : Error occur. Return the error || |+----------------------------------------------------------------------------+*/int i_APCI1516_ConfigDigitalOutput(comedi_device *dev,comedi_subdevice *s,comedi_insn *insn,lsampl_t *data){ devpriv->b_OutputMemoryStatus=data[0];return insn->n;}/*+----------------------------------------------------------------------------+| Function Name : int i_APCI1516_WriteDigitalOutput || (comedi_device *dev,comedi_subdevice *s,comedi_insn *insn, lsampl_t *data) |+----------------------------------------------------------------------------+| Task : Writes port value To the selected port |+----------------------------------------------------------------------------+| Input Parameters : comedi_device *dev : Driver handle || comedi_subdevice *s, :pointer to subdevice structure comedi_insn *insn :pointer to insn structure || lsampl_t *data : Data Pointer to read status |+----------------------------------------------------------------------------+| Output Parameters : -- |+----------------------------------------------------------------------------+| Return Value : TRUE : No error occur || : FALSE : Error occur. Return the error || |+----------------------------------------------------------------------------+*/INT i_APCI1516_WriteDigitalOutput(comedi_device *dev,comedi_subdevice *s,comedi_insn *insn,lsampl_t *data) {UINT ui_Temp,ui_Temp1;UINT ui_NoOfChannel = CR_CHAN(insn->chanspec); // get the channelprintk("EL311003 : @=%x\n",devpriv->iobase+APCI1516_DIGITAL_OP); if(devpriv->b_OutputMemoryStatus ) { ui_Temp=inw(devpriv->iobase+APCI1516_DIGITAL_OP); }//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; outw(data[0],devpriv->iobase+APCI1516_DIGITAL_OP); printk("EL311003 : d=%d @=%x\n",data[0],devpriv->iobase+APCI1516_DIGITAL_OP); }//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 4:data[0]=(data[0] << (4*data[2]))|ui_Temp; break; case 7:data[0]=data[0]|ui_Temp; break; default: comedi_error(dev," chan spec wrong"); return -EINVAL; // "sorry channel spec wrong " }//switch(ui_NoOfChannels) outw(data[0],devpriv->iobase+APCI1516_DIGITAL_OP); printk("EL311003 : d=%d @=%x\n",data[0],devpriv->iobase+APCI1516_DIGITAL_OP); }// 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 {?? 快捷鍵說明
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