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|
/**
@verbatim
Copyright (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 USA
You should also find the complete GPL in the COPYING file accompanying this source code.
@endverbatim
*/
/*
+-----------------------------------------------------------------------+
| (C) ADDI-DATA GmbH Dieselstraße 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 : API APCI1710 | Compiler : gcc |
| Module name : SSI.C | Version : 2.96 |
+-------------------------------+---------------------------------------+
| Project manager: Eric Stolz | Date : 02/12/2002 |
+-----------------------------------------------------------------------+
| Description : APCI-1710 SSI counter module |
| |
| |
+-----------------------------------------------------------------------+
| UPDATES |
+-----------------------------------------------------------------------+
| Date | Author | Description of updates |
+----------+-----------+------------------------------------------------+
| 13/05/98 | S. Weber | SSI digital input / output implementation |
|----------|-----------|------------------------------------------------|
| 22/03/00 | C.Guinot | 0100/0226 -> 0200/0227 |
| | | Änderung in InitSSI Funktion |
| | | b_SSIProfile >= 2 anstatt b_SSIProfile > 2 |
| | | |
+-----------------------------------------------------------------------+
| 08/05/00 | Guinot C | - 0400/0228 All Function in RING 0 |
| | | available |
+-----------------------------------------------------------------------+
*/
/*
+----------------------------------------------------------------------------+
| Included files |
+----------------------------------------------------------------------------+
*/
#include "APCI1710_Ssi.h"
/*
+----------------------------------------------------------------------------+
| Function Name : _INT_ i_APCI1710_InitSSI |
| (unsigned char_ b_BoardHandle, |
| unsigned char_ b_ModulNbr, |
| unsigned char_ b_SSIProfile, |
| unsigned char_ b_PositionTurnLength, |
| unsigned char_ b_TurnCptLength, |
| unsigned char_ b_PCIInputClock, |
| ULONG_ ul_SSIOutputClock, |
| unsigned char_ b_SSICountingMode) |
+----------------------------------------------------------------------------+
| Task : Configure the SSI operating mode from selected module |
| (b_ModulNbr). You must calling this function be for you|
| call any other function witch access of SSI. |
+----------------------------------------------------------------------------+
| Input Parameters : unsigned char_ b_BoardHandle : Handle of board APCI-1710|
| unsigned char_ b_ModulNbr : Module number to |
| configure (0 to 3) |
| unsigned char_ b_SSIProfile : Selection from SSI |
| profile length (2 to 32).|
| unsigned char_ b_PositionTurnLength : Selection from SSI |
| position data length |
| (1 to 31). |
| unsigned char_ b_TurnCptLength : Selection from SSI turn |
| counter data length |
| (1 to 31). |
| unsigned char b_PCIInputClock : Selection from PCI bus |
| clock |
| - APCI1710_30MHZ : |
| The PC have a PCI bus |
| clock from 30 MHz |
| - APCI1710_33MHZ : |
| The PC have a PCI bus |
| clock from 33 MHz |
| ULONG_ ul_SSIOutputClock : Selection from SSI output|
| clock. |
| From 229 to 5 000 000 Hz|
| for 30 MHz selection. |
| From 252 to 5 000 000 Hz|
| for 33 MHz selection. |
| unsigned char b_SSICountingMode : SSI counting mode |
| selection |
| - APCI1710_BINARY_MODE : |
| Binary counting mode. |
| - APCI1710_GRAY_MODE : |
| Gray counting mode.
b_ModulNbr = CR_AREF(insn->chanspec);
b_SSIProfile = (unsigned char) data[0];
b_PositionTurnLength= (unsigned char) data[1];
b_TurnCptLength = (unsigned char) data[2];
b_PCIInputClock = (unsigned char) data[3];
ul_SSIOutputClock = (unsigned int) data[4];
b_SSICountingMode = (unsigned char) data[5]; |
+----------------------------------------------------------------------------+
| Output Parameters : - |
+----------------------------------------------------------------------------+
| Return Value : 0: No error |
| -1: The handle parameter of the board is wrong |
| -2: The module parameter is wrong |
| -3: The module is not a SSI module |
| -4: The selected SSI profile length is wrong |
| -5: The selected SSI position data length is wrong |
| -6: The selected SSI turn counter data length is wrong |
| -7: The selected PCI input clock is wrong |
| -8: The selected SSI output clock is wrong |
| -9: The selected SSI counting mode parameter is wrong |
+----------------------------------------------------------------------------+
*/
int i_APCI1710_InsnConfigInitSSI(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
int i_ReturnValue = 0;
unsigned int ui_TimerValue;
unsigned char b_ModulNbr, b_SSIProfile, b_PositionTurnLength, b_TurnCptLength,
b_PCIInputClock, b_SSICountingMode;
unsigned int ul_SSIOutputClock;
b_ModulNbr = CR_AREF(insn->chanspec);
b_SSIProfile = (unsigned char) data[0];
b_PositionTurnLength = (unsigned char) data[1];
b_TurnCptLength = (unsigned char) data[2];
b_PCIInputClock = (unsigned char) data[3];
ul_SSIOutputClock = (unsigned int) data[4];
b_SSICountingMode = (unsigned char) data[5];
i_ReturnValue = insn->n;
/**************************/
/* Test the module number */
/**************************/
if (b_ModulNbr < 4) {
/***********************/
/* Test if SSI counter */
/***********************/
if ((devpriv->s_BoardInfos.
dw_MolduleConfiguration[b_ModulNbr] &
0xFFFF0000UL) == APCI1710_SSI_COUNTER) {
/*******************************/
/* Test the SSI profile length */
/*******************************/
/* CG 22/03/00 b_SSIProfile >= 2 anstatt b_SSIProfile > 2 */
if (b_SSIProfile >= 2 && b_SSIProfile < 33) {
/*************************************/
/* Test the SSI position data length */
/*************************************/
if (b_PositionTurnLength > 0
&& b_PositionTurnLength < 32) {
/*****************************************/
/* Test the SSI turn counter data length */
/*****************************************/
if (b_TurnCptLength > 0
&& b_TurnCptLength < 32) {
/***************************/
/* Test the profile length */
/***************************/
if ((b_TurnCptLength +
b_PositionTurnLength)
<= b_SSIProfile) {
/****************************/
/* Test the PCI input clock */
/****************************/
if (b_PCIInputClock ==
APCI1710_30MHZ
||
b_PCIInputClock
==
APCI1710_33MHZ)
{
/*************************/
/* Test the output clock */
/*************************/
if ((b_PCIInputClock == APCI1710_30MHZ && (ul_SSIOutputClock > 228 && ul_SSIOutputClock <= 5000000UL)) || (b_PCIInputClock == APCI1710_33MHZ && (ul_SSIOutputClock > 251 && ul_SSIOutputClock <= 5000000UL))) {
if (b_SSICountingMode == APCI1710_BINARY_MODE || b_SSICountingMode == APCI1710_GRAY_MODE) {
/**********************/
/* Save configuration */
/**********************/
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_SSIProfile
=
b_SSIProfile;
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_PositionTurnLength
=
b_PositionTurnLength;
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_TurnCptLength
=
b_TurnCptLength;
/*********************************/
/* Initialise the profile length */
/*********************************/
if (b_SSICountingMode == APCI1710_BINARY_MODE) {
outl(b_SSIProfile + 1, devpriv->s_BoardInfos.ui_Address + 4 + (64 * b_ModulNbr));
} else {
outl(b_SSIProfile, devpriv->s_BoardInfos.ui_Address + 4 + (64 * b_ModulNbr));
}
/******************************/
/* Calculate the output clock */
/******************************/
ui_TimerValue
=
(unsigned int)
(
((unsigned int) (b_PCIInputClock) * 500000UL) / ul_SSIOutputClock);
/************************/
/* Initialise the timer */
/************************/
outl(ui_TimerValue, devpriv->s_BoardInfos.ui_Address + (64 * b_ModulNbr));
/********************************/
/* Initialise the counting mode */
/********************************/
outl(7 * b_SSICountingMode, devpriv->s_BoardInfos.ui_Address + 12 + (64 * b_ModulNbr));
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_SSIInit
=
1;
} else {
/*****************************************************/
/* The selected SSI counting mode parameter is wrong */
/*****************************************************/
DPRINTK("The selected SSI counting mode parameter is wrong\n");
i_ReturnValue
=
-9;
}
} else {
/******************************************/
/* The selected SSI output clock is wrong */
/******************************************/
DPRINTK("The selected SSI output clock is wrong\n");
i_ReturnValue
=
-8;
}
} else {
/*****************************************/
/* The selected PCI input clock is wrong */
/*****************************************/
DPRINTK("The selected PCI input clock is wrong\n");
i_ReturnValue =
-7;
}
} else {
/********************************************/
/* The selected SSI profile length is wrong */
/********************************************/
DPRINTK("The selected SSI profile length is wrong\n");
i_ReturnValue = -4;
}
} else {
/******************************************************/
/* The selected SSI turn counter data length is wrong */
/******************************************************/
DPRINTK("The selected SSI turn counter data length is wrong\n");
i_ReturnValue = -6;
}
} else {
/**************************************************/
/* The selected SSI position data length is wrong */
/**************************************************/
DPRINTK("The selected SSI position data length is wrong\n");
i_ReturnValue = -5;
}
} else {
/********************************************/
/* The selected SSI profile length is wrong */
/********************************************/
DPRINTK("The selected SSI profile length is wrong\n");
i_ReturnValue = -4;
}
} else {
/**********************************/
/* The module is not a SSI module */
/**********************************/
DPRINTK("The module is not a SSI module\n");
i_ReturnValue = -3;
}
} else {
/***********************/
/* Module number error */
/***********************/
DPRINTK("Module number error\n");
i_ReturnValue = -2;
}
return i_ReturnValue;
}
/*
+----------------------------------------------------------------------------+
| Function Name : _INT_ i_APCI1710_Read1SSIValue |
| (unsigned char_ b_BoardHandle, |
| unsigned char_ b_ModulNbr, |
| unsigned char_ b_SelectedSSI, |
| PULONG_ pul_Position, |
| PULONG_ pul_TurnCpt)
int i_APCI1710_ReadSSIValue(struct comedi_device *dev,struct comedi_subdevice *s,
struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task :
Read the selected SSI counter (b_SelectedSSI) from |
| selected module (b_ModulNbr).
or Read all SSI counter (b_SelectedSSI) from |
| selected module (b_ModulNbr). |
+----------------------------------------------------------------------------+
| Input Parameters : unsigned char_ b_BoardHandle : Handle of board APCI-1710|
| unsigned char_ b_ModulNbr : Module number to |
| configure (0 to 3) |
| unsigned char_ b_SelectedSSI : Selection from SSI |
| counter (0 to 2)
b_ModulNbr = (unsigned char) CR_AREF(insn->chanspec);
b_SelectedSSI = (unsigned char) CR_CHAN(insn->chanspec); (in case of single ssi)
b_ReadType = (unsigned char) CR_RANGE(insn->chanspec);
|
+----------------------------------------------------------------------------+
| Output Parameters : PULONG_ pul_Position : SSI position in the turn |
| PULONG_ pul_TurnCpt : Number of turns
pul_Position = (unsigned int *) &data[0];
pul_TurnCpt = (unsigned int *) &data[1]; |
+----------------------------------------------------------------------------+
| Return Value : 0: No error |
| -1: The handle parameter of the board is wrong |
| -2: The module parameter is wrong |
| -3: The module is not a SSI module |
| -4: SSI not initialised see function |
| "i_APCI1710_InitSSI" |
| -5: The selected SSI is wrong |
+----------------------------------------------------------------------------+
*/
int i_APCI1710_InsnReadSSIValue(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
int i_ReturnValue = 0;
unsigned char b_Cpt;
unsigned char b_Length;
unsigned char b_Schift;
unsigned char b_SSICpt;
unsigned int dw_And;
unsigned int dw_And1;
unsigned int dw_And2;
unsigned int dw_StatusReg;
unsigned int dw_CounterValue;
unsigned char b_ModulNbr;
unsigned char b_SelectedSSI;
unsigned char b_ReadType;
unsigned int *pul_Position;
unsigned int *pul_TurnCpt;
unsigned int *pul_Position1;
unsigned int *pul_TurnCpt1;
i_ReturnValue = insn->n;
pul_Position1 = (unsigned int *) &data[0];
/* For Read1 */
pul_TurnCpt1 = (unsigned int *) &data[1];
/* For Read all */
pul_Position = (unsigned int *) &data[0]; /* 0-2 */
pul_TurnCpt = (unsigned int *) &data[3]; /* 3-5 */
b_ModulNbr = (unsigned char) CR_AREF(insn->chanspec);
b_SelectedSSI = (unsigned char) CR_CHAN(insn->chanspec);
b_ReadType = (unsigned char) CR_RANGE(insn->chanspec);
/**************************/
/* Test the module number */
/**************************/
if (b_ModulNbr < 4) {
/***********************/
/* Test if SSI counter */
/***********************/
if ((devpriv->s_BoardInfos.
dw_MolduleConfiguration[b_ModulNbr] &
0xFFFF0000UL) == APCI1710_SSI_COUNTER) {
/***************************/
/* Test if SSI initialised */
/***************************/
if (devpriv->s_ModuleInfo[b_ModulNbr].
s_SSICounterInfo.b_SSIInit == 1) {
switch (b_ReadType) {
case APCI1710_SSI_READ1VALUE:
/****************************************/
/* Test the selected SSI counter number */
/****************************************/
if (b_SelectedSSI < 3) {
/************************/
/* Start the conversion */
/************************/
outl(0, devpriv->s_BoardInfos.
ui_Address + 8 +
(64 * b_ModulNbr));
do {
/*******************/
/* Read the status */
/*******************/
dw_StatusReg =
inl(devpriv->
s_BoardInfos.
ui_Address +
(64 * b_ModulNbr));
} while ((dw_StatusReg & 0x1)
!= 0);
/******************************/
/* Read the SSI counter value */
/******************************/
dw_CounterValue =
inl(devpriv->
s_BoardInfos.
ui_Address + 4 +
(b_SelectedSSI * 4) +
(64 * b_ModulNbr));
b_Length =
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_SSIProfile / 2;
if ((b_Length * 2) !=
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_SSIProfile) {
b_Length++;
}
b_Schift =
b_Length -
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_PositionTurnLength;
*pul_Position1 =
dw_CounterValue >>
b_Schift;
dw_And = 1;
for (b_Cpt = 0;
b_Cpt <
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_PositionTurnLength;
b_Cpt++) {
dw_And = dw_And * 2;
}
*pul_Position1 =
*pul_Position1 &
((dw_And) - 1);
*pul_TurnCpt1 =
dw_CounterValue >>
b_Length;
dw_And = 1;
for (b_Cpt = 0;
b_Cpt <
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_TurnCptLength;
b_Cpt++) {
dw_And = dw_And * 2;
}
*pul_TurnCpt1 =
*pul_TurnCpt1 &
((dw_And) - 1);
} else {
/*****************************/
/* The selected SSI is wrong */
/*****************************/
DPRINTK("The selected SSI is wrong\n");
i_ReturnValue = -5;
}
break;
case APCI1710_SSI_READALLVALUE:
dw_And1 = 1;
for (b_Cpt = 0;
b_Cpt <
devpriv->
s_ModuleInfo[b_ModulNbr].
s_SSICounterInfo.
b_PositionTurnLength; b_Cpt++) {
dw_And1 = dw_And1 * 2;
}
dw_And2 = 1;
for (b_Cpt = 0;
b_Cpt <
devpriv->
s_ModuleInfo[b_ModulNbr].
s_SSICounterInfo.
b_TurnCptLength; b_Cpt++) {
dw_And2 = dw_And2 * 2;
}
/************************/
/* Start the conversion */
/************************/
outl(0, devpriv->s_BoardInfos.
ui_Address + 8 +
(64 * b_ModulNbr));
do {
/*******************/
/* Read the status */
/*******************/
dw_StatusReg =
inl(devpriv->
s_BoardInfos.
ui_Address +
(64 * b_ModulNbr));
} while ((dw_StatusReg & 0x1) != 0);
for (b_SSICpt = 0; b_SSICpt < 3;
b_SSICpt++) {
/******************************/
/* Read the SSI counter value */
/******************************/
dw_CounterValue =
inl(devpriv->
s_BoardInfos.
ui_Address + 4 +
(b_SSICpt * 4) +
(64 * b_ModulNbr));
b_Length =
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_SSIProfile / 2;
if ((b_Length * 2) !=
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_SSIProfile) {
b_Length++;
}
b_Schift =
b_Length -
devpriv->
s_ModuleInfo
[b_ModulNbr].
s_SSICounterInfo.
b_PositionTurnLength;
pul_Position[b_SSICpt] =
dw_CounterValue >>
b_Schift;
pul_Position[b_SSICpt] =
pul_Position[b_SSICpt] &
((dw_And1) - 1);
pul_TurnCpt[b_SSICpt] =
dw_CounterValue >>
b_Length;
pul_TurnCpt[b_SSICpt] =
pul_TurnCpt[b_SSICpt] &
((dw_And2) - 1);
}
break;
default:
printk("Read Type Inputs Wrong\n");
} /* switch ending */
} else {
/***********************/
/* SSI not initialised */
/***********************/
DPRINTK("SSI not initialised\n");
i_ReturnValue = -4;
}
} else {
/**********************************/
/* The module is not a SSI module */
/**********************************/
DPRINTK("The module is not a SSI module\n");
i_ReturnValue = -3;
}
} else {
/***********************/
/* Module number error */
/***********************/
DPRINTK("Module number error\n");
i_ReturnValue = -2;
}
return i_ReturnValue;
}
/*
+----------------------------------------------------------------------------+
| Function Name : _INT_ i_APCI1710_ReadSSI1DigitalInput |
| (unsigned char_ b_BoardHandle, |
| unsigned char_ b_ModulNbr, |
| unsigned char_ b_InputChannel, |
| unsigned char *_ pb_ChannelStatus) |
+----------------------------------------------------------------------------+
| Task :
(0) Set the digital output from selected SSI moule |
| (b_ModuleNbr) ON
(1) Set the digital output from selected SSI moule |
| (b_ModuleNbr) OFF
(2)Read the status from selected SSI digital input |
| (b_InputChannel)
(3)Read the status from all SSI digital inputs from |
| selected SSI module (b_ModulNbr) |
+----------------------------------------------------------------------------+
| Input Parameters : unsigned char_ b_BoardHandle : Handle of board APCI-1710|
| unsigned char_ b_ModulNbr CR_AREF : Module number to |
| configure (0 to 3) |
| unsigned char_ b_InputChannel CR_CHAN : Selection from digital |
| data[0] which IOTYPE input ( 0 to 2) |
+----------------------------------------------------------------------------+
| Output Parameters : unsigned char *_ pb_ChannelStatus : Digital input channel |
| data[0] status |
| 0 : Channle is not active|
| 1 : Channle is active |
+----------------------------------------------------------------------------+
| Return Value : 0: No error |
| -1: The handle parameter of the board is wrong |
| -2: The module parameter is wrong |
| -3: The module is not a SSI module |
| -4: The selected SSI digital input is wrong |
+----------------------------------------------------------------------------+
*/
int i_APCI1710_InsnBitsSSIDigitalIO(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
int i_ReturnValue = 0;
unsigned int dw_StatusReg;
unsigned char b_ModulNbr;
unsigned char b_InputChannel;
unsigned char *pb_ChannelStatus;
unsigned char *pb_InputStatus;
unsigned char b_IOType;
i_ReturnValue = insn->n;
b_ModulNbr = (unsigned char) CR_AREF(insn->chanspec);
b_IOType = (unsigned char) data[0];
/**************************/
/* Test the module number */
/**************************/
if (b_ModulNbr < 4) {
/***********************/
/* Test if SSI counter */
/***********************/
if ((devpriv->s_BoardInfos.
dw_MolduleConfiguration[b_ModulNbr] &
0xFFFF0000UL) == APCI1710_SSI_COUNTER) {
switch (b_IOType) {
case APCI1710_SSI_SET_CHANNELON:
/*****************************/
/* Set the digital output ON */
/*****************************/
outl(1, devpriv->s_BoardInfos.ui_Address + 16 +
(64 * b_ModulNbr));
break;
case APCI1710_SSI_SET_CHANNELOFF:
/******************************/
/* Set the digital output OFF */
/******************************/
outl(0, devpriv->s_BoardInfos.ui_Address + 16 +
(64 * b_ModulNbr));
break;
case APCI1710_SSI_READ_1CHANNEL:
/******************************************/
/* Test the digital imnput channel number */
/******************************************/
b_InputChannel = (unsigned char) CR_CHAN(insn->chanspec);
pb_ChannelStatus = (unsigned char *) &data[0];
if (b_InputChannel <= 2) {
/**************************/
/* Read all digital input */
/**************************/
dw_StatusReg =
inl(devpriv->s_BoardInfos.
ui_Address + (64 * b_ModulNbr));
*pb_ChannelStatus =
(unsigned char) (((~dw_StatusReg) >> (4 +
b_InputChannel))
& 1);
} else {
/********************************/
/* Selected digital input error */
/********************************/
DPRINTK("Selected digital input error\n");
i_ReturnValue = -4;
}
break;
case APCI1710_SSI_READ_ALLCHANNEL:
/**************************/
/* Read all digital input */
/**************************/
pb_InputStatus = (unsigned char *) &data[0];
dw_StatusReg =
inl(devpriv->s_BoardInfos.ui_Address +
(64 * b_ModulNbr));
*pb_InputStatus =
(unsigned char) (((~dw_StatusReg) >> 4) & 7);
break;
default:
printk("IO type wrong\n");
} /* switch end */
} else {
/**********************************/
/* The module is not a SSI module */
/**********************************/
DPRINTK("The module is not a SSI module\n");
i_ReturnValue = -3;
}
} else {
/***********************/
/* Module number error */
/***********************/
DPRINTK("Module number error\n");
i_ReturnValue = -2;
}
return i_ReturnValue;
}
|
