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-rw-r--r--drivers/staging/comedi/drivers/addi-data/APCI1710_Ssi.c848
1 files changed, 848 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/APCI1710_Ssi.c b/drivers/staging/comedi/drivers/addi-data/APCI1710_Ssi.c
new file mode 100644
index 000000000000..bb6e1622e379
--- /dev/null
+++ b/drivers/staging/comedi/drivers/addi-data/APCI1710_Ssi.c
@@ -0,0 +1,848 @@
+/**
+@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 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 : +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 |
+| (BYTE_ b_BoardHandle, |
+| BYTE_ b_ModulNbr, |
+| BYTE_ b_SSIProfile, |
+| BYTE_ b_PositionTurnLength, |
+| BYTE_ b_TurnCptLength, |
+| BYTE_ b_PCIInputClock, |
+| ULONG_ ul_SSIOutputClock, |
+| BYTE_ 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 : BYTE_ b_BoardHandle : Handle of board APCI-1710|
+| BYTE_ b_ModulNbr : Module number to |
+| configure (0 to 3) |
+| BYTE_ b_SSIProfile : Selection from SSI |
+| profile length (2 to 32).|
+| BYTE_ b_PositionTurnLength : Selection from SSI |
+| position data length |
+| (1 to 31). |
+| BYTE_ b_TurnCptLength : Selection from SSI turn |
+| counter data length |
+| (1 to 31). |
+| BYTE 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. |
+| BYTE 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 = (BYTE) data[0];
+ b_PositionTurnLength= (BYTE) data[1];
+ b_TurnCptLength = (BYTE) data[2];
+ b_PCIInputClock = (BYTE) data[3];
+ ul_SSIOutputClock = (ULONG) data[4];
+ b_SSICountingMode = (BYTE) 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;
+ UINT ui_TimerValue;
+ BYTE b_ModulNbr, b_SSIProfile, b_PositionTurnLength, b_TurnCptLength,
+ b_PCIInputClock, b_SSICountingMode;
+ ULONG ul_SSIOutputClock;
+
+ b_ModulNbr = CR_AREF(insn->chanspec);
+ b_SSIProfile = (BYTE) data[0];
+ b_PositionTurnLength = (BYTE) data[1];
+ b_TurnCptLength = (BYTE) data[2];
+ b_PCIInputClock = (BYTE) data[3];
+ ul_SSIOutputClock = (ULONG) data[4];
+ b_SSICountingMode = (BYTE) 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
+ =
+ (UINT)
+ (
+ ((ULONG) (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 |
+| (BYTE_ b_BoardHandle, |
+| BYTE_ b_ModulNbr, |
+| BYTE_ 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 : BYTE_ b_BoardHandle : Handle of board APCI-1710|
+| BYTE_ b_ModulNbr : Module number to |
+| configure (0 to 3) |
+| BYTE_ b_SelectedSSI : Selection from SSI |
+| counter (0 to 2)
+
+ b_ModulNbr = (BYTE) CR_AREF(insn->chanspec);
+ b_SelectedSSI = (BYTE) CR_CHAN(insn->chanspec); (in case of single ssi)
+ b_ReadType = (BYTE) CR_RANGE(insn->chanspec);
+|
++----------------------------------------------------------------------------+
+| Output Parameters : PULONG_ pul_Position : SSI position in the turn |
+| PULONG_ pul_TurnCpt : Number of turns
+
+pul_Position = (PULONG) &data[0];
+ pul_TurnCpt = (PULONG) &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;
+ BYTE b_Cpt;
+ BYTE b_Length;
+ BYTE b_Schift;
+ BYTE b_SSICpt;
+ DWORD dw_And;
+ DWORD dw_And1;
+ DWORD dw_And2;
+ DWORD dw_StatusReg;
+ DWORD dw_CounterValue;
+ BYTE b_ModulNbr;
+ BYTE b_SelectedSSI;
+ BYTE b_ReadType;
+ PULONG pul_Position;
+ PULONG pul_TurnCpt;
+ PULONG pul_Position1;
+ PULONG pul_TurnCpt1;
+
+ i_ReturnValue = insn->n;
+ pul_Position1 = (PULONG) & data[0];
+// For Read1
+ pul_TurnCpt1 = (PULONG) & data[1];
+// For Read all
+ pul_Position = (PULONG) & data[0]; //0-2
+ pul_TurnCpt = (PULONG) & data[3]; //3-5
+ b_ModulNbr = (BYTE) CR_AREF(insn->chanspec);
+ b_SelectedSSI = (BYTE) CR_CHAN(insn->chanspec);
+ b_ReadType = (BYTE) 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 |
+| (BYTE_ b_BoardHandle, |
+| BYTE_ b_ModulNbr, |
+| BYTE_ b_InputChannel, |
+| PBYTE_ 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 : BYTE_ b_BoardHandle : Handle of board APCI-1710|
+| BYTE_ b_ModulNbr CR_AREF : Module number to |
+| configure (0 to 3) |
+| BYTE_ b_InputChannel CR_CHAN : Selection from digital |
+| data[0] which IOTYPE input ( 0 to 2) |
++----------------------------------------------------------------------------+
+| Output Parameters : PBYTE_ 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;
+ DWORD dw_StatusReg;
+ BYTE b_ModulNbr;
+ BYTE b_InputChannel;
+ PBYTE pb_ChannelStatus;
+ PBYTE pb_InputStatus;
+ BYTE b_IOType;
+ i_ReturnValue = insn->n;
+ b_ModulNbr = (BYTE) CR_AREF(insn->chanspec);
+ b_IOType = (BYTE) 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 = (BYTE) CR_CHAN(insn->chanspec);
+ pb_ChannelStatus = (PBYTE) & data[0];
+
+ if (b_InputChannel <= 2) {
+ /**************************/
+ /* Read all digital input */
+ /**************************/
+
+ dw_StatusReg =
+ inl(devpriv->s_BoardInfos.
+ ui_Address + (64 * b_ModulNbr));
+ *pb_ChannelStatus =
+ (BYTE) (((~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 = (PBYTE) & data[0];
+
+ dw_StatusReg =
+ inl(devpriv->s_BoardInfos.ui_Address +
+ (64 * b_ModulNbr));
+ *pb_InputStatus =
+ (BYTE) (((~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);
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.