sane-project-backends/backend/plustek-usbhw.c

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/*.............................................................................
* Project : SANE library for Plustek USB flatbed scanners.
*.............................................................................
* File: plustek-usbhw.c
*.............................................................................
*
* based on sources acquired from Plustek Inc.
* Copyright (C) 2001-2002 Gerhard Jaeger <gerhard@gjaeger.de>
*.............................................................................
* History:
* 0.40 - starting version of the USB support
* 0.41 - added EPSON1250 specific stuff
* - added alternative usb_IsScannerReady function
* 0.42 - added warmup stuff
* added UMAX 3400 stuff
* fixed problem with minimum wait time...
*
*.............................................................................
*
* This file is part of the SANE package.
*
* 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.
*
* As a special exception, the authors of SANE give permission for
* additional uses of the libraries contained in this release of SANE.
*
* The exception is that, if you link a SANE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. Your use of that executable is in no way restricted on
* account of linking the SANE library code into it.
*
* This exception does not, however, invalidate any other reasons why
* the executable file might be covered by the GNU General Public
* License.
*
* If you submit changes to SANE to the maintainers to be included in
* a subsequent release, you agree by submitting the changes that
* those changes may be distributed with this exception intact.
*
* If you write modifications of your own for SANE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*/
#include <sys/time.h>
#define DEV_LampReflection 1
#define DEV_LampTPA 2
#define DEV_LampAll 3
#define DEV_LampPositive 4
#define DEV_LampNegative 5
/* HEINER: check the tick counts 'cause 1 tick on NT is about 10ms */
static u_long dwCrystalFrequency = 48000000UL;
static SANE_Bool fModuleFirstHome; /* HEINER: this has to be initialized */
static SANE_Bool fLastScanIsAdf;
static u_char a_bRegs[0x80];
/*.............................................................................
*
*/
static SANE_Bool usb_MotorOn( int handle, SANE_Bool fOn )
{
if( fOn )
a_bRegs[0x45] |= 0x10;
else
a_bRegs[0x45] &= ~0x10;
usbio_WriteReg( handle, 0x45, a_bRegs[0x45] );
return SANE_TRUE;
}
/*.............................................................................
*
*/
static SANE_Bool usb_IsScannerReady( pPlustek_Device dev )
{
u_char value;
double len;
long timeout;
struct timeval t;
/* time in s = 1000*scanner length in inches/max step speed/in */
len = (dev->usbDev.Caps.Normal.Size.y/(double)_MEASURE_BASE) + 5;
len = (1000.0 * len)/dev->usbDev.HwSetting.dMaxMoveSpeed;
len /= 1000.0;
/* wait at least 10 seconds... */
if( len < 10 )
len = 10;
gettimeofday( &t, NULL);
timeout = t.tv_sec + len;
do {
_UIO( usbio_ReadReg( dev->fd, 7, &value));
if( value == 0 ) {
_UIO( usbio_ResetLM983x( dev ));
return SANE_TRUE;
}
if((value == 0) || (value >= 0x20) || (value == 0x03)) {
if( !usbio_WriteReg( dev->fd, 0x07, 0 )) {
DBG( _DBG_ERROR, "Scanner not ready!!!\n" );
return SANE_FALSE;
}
else
return SANE_TRUE;
}
gettimeofday( &t, NULL);
} while( t.tv_sec < timeout );
DBG( _DBG_ERROR, "Scanner not ready!!!\n" );
return SANE_FALSE;
}
/*.............................................................................
*
*/
static SANE_Bool usb_SensorAdf( int handle )
{
u_char value;
usbio_ReadReg( handle, 0x02, &value );
return (value & 0x20);
}
/*.............................................................................
*
*/
static SANE_Bool usb_SensorPaper( int handle )
{
u_char value;
usbio_ReadReg( handle, 0x02, &value );
return (value & 0x02);
}
/*.............................................................................
* Home sensor always on when backward move.
* dwStep is steps to move and based on 300 dpi, but
* if the action is MOVE_Both, it becomes the times
* to repeatly move the module around the scanner and
* 0 means forever.
*/
static SANE_Bool usb_ModuleMove( pPlustek_Device dev,
u_char bAction, u_long dwStep )
{
SANE_Status res;
u_char bReg2, reg7;
u_short wFastFeedStepSize;
double dMaxMoveSpeed;
pHWDef hw = &dev->usbDev.HwSetting;
/* Check if LM9831 is ready for setting command */
if( bAction != MOVE_ToPaperSensor &&
bAction != MOVE_EjectAllPapers &&
bAction != MOVE_SkipPaperSensor &&
bAction != MOVE_ToShading && !dwStep) {
return SANE_TRUE;
}
if( !usb_IsScannerReady( dev )) {
DBG( _DBG_ERROR, "Sensor-position NOT reached\n" );
return SANE_FALSE;
}
if( bAction == MOVE_EjectAllPapers ) {
double d = hw->dMaxMoveSpeed;
hw->dMaxMoveSpeed += 0.6;
do {
if( usb_SensorPaper(dev->fd) &&
!usb_ModuleMove(dev,MOVE_SkipPaperSensor, 0 )) {
return SANE_FALSE;
}
if( usb_SensorAdf(dev->fd) &&
!usb_ModuleMove(dev,MOVE_ToPaperSensor, 0 )) {
return SANE_FALSE;
}
} while( usb_SensorPaper(dev->fd));
if(!usb_ModuleMove( dev, MOVE_Forward, 300 * 3))
return SANE_FALSE;
usbio_WriteReg( dev->fd, 0x07, 0);
usbio_WriteReg( dev->fd, 0x58, a_bRegs[0x58]);
usbio_ReadReg( dev->fd, 0x02, &bReg2 );
hw->dMaxMoveSpeed = d;
return SANE_TRUE;
}
usbio_WriteReg( dev->fd, 0x0a, 0 );
/* Compute fast feed step size, use equation 3 and equation 8 */
if( bAction == MOVE_ToShading ) {
double dToShadingSpeed = 0.0; /* HEINER: check callRegistry.GetToShadingSpeed(); */
if( dToShadingSpeed != 0.0 )
dMaxMoveSpeed = dToShadingSpeed;
else
dMaxMoveSpeed = hw->dMaxMoveSpeed - 0.5;
} else {
dMaxMoveSpeed = hw->dMaxMoveSpeed;
}
wFastFeedStepSize = (u_short)(dwCrystalFrequency /
(6UL * 8UL * 1 * dMaxMoveSpeed * 4 * hw->wMotorDpi));
a_bRegs[0x48] = (u_char)(wFastFeedStepSize >> 8);
a_bRegs[0x49] = (u_char)(wFastFeedStepSize & 0xFF);
dwStep = dwStep * hw->wMotorDpi / 300UL;
a_bRegs[0x4a] = _HIBYTE(_LOWORD(dwStep));
a_bRegs[0x4b] = _LOBYTE(_LOWORD(dwStep));
a_bRegs[0x45] |= 0x10;
/* The setting for chassis moving is:
* MCLK divider = 6, 8 bits/pixel, HDPI divider = 12,
* no integration time adjustment and 1 channel grayscale
*/
/* MCLK divider = 6 */
if( !usbio_WriteReg(dev->fd, 0x08, 0x0A))
return SANE_FALSE;
/* 8 bits/pixel, HDPI divider = 12 */
if( !usbio_WriteReg(dev->fd, 0x09, 0x1F))
return SANE_FALSE;
/* Turn off integration time adjustment */
if( !usbio_WriteReg(dev->fd, 0x19, 0))
return SANE_FALSE;
/* 1 channel grayscale, green channel */
if( !usbio_WriteReg(dev->fd, 0x26, 0x0C))
return SANE_FALSE;
_UIO(sanei_lm983x_write(dev->fd, 0x48, &a_bRegs[0x48], 2, SANE_TRUE));
_UIO(sanei_lm983x_write(dev->fd, 0x4A, &a_bRegs[0x4A], 2, SANE_TRUE));
/* disable home */
if( !usbio_WriteReg(dev->fd, 0x58, a_bRegs[0x58] & ~7))
return SANE_FALSE;
if( !usbio_WriteReg(dev->fd, 0x45, a_bRegs[0x45] ))
return SANE_FALSE;
if( bAction == MOVE_Forward || bAction == MOVE_ToShading )
reg7 = 5;
else if( bAction == MOVE_Backward )
reg7 = 6;
else if( bAction == MOVE_ToPaperSensor || bAction == MOVE_EjectAllPapers ||
bAction == MOVE_SkipPaperSensor ) {
reg7 = 1;
} else {
return SANE_TRUE;
}
if( usbio_WriteReg( dev->fd, 0x07, reg7 )) {
long dwTicks;
struct timeval start_time, t2;
res = gettimeofday( &start_time, NULL );
/* 20000 NT-Ticks means 200s */
dwTicks = start_time.tv_sec + 200;
if( bAction == MOVE_ToPaperSensor ) {
for(;;) {
if( usb_SensorPaper( dev->fd )) {
usbio_WriteReg( dev->fd, 0x07, 0 );
usbio_WriteReg( dev->fd, 0x58, a_bRegs[0x58] );
usbio_ReadReg ( dev->fd, 0x02, &bReg2 );
return SANE_TRUE;
}
gettimeofday(&t2, NULL);
if( t2.tv_sec > dwTicks )
break;
}
} else if( bAction == MOVE_SkipPaperSensor ) {
for(;;) {
if( usb_SensorPaper( dev->fd )) {
usbio_WriteReg( dev->fd, 0x07, 0 );
usbio_WriteReg( dev->fd, 0x58, a_bRegs[0x58] );
usbio_ReadReg ( dev->fd, 0x02, &bReg2 );
return SANE_TRUE;
}
gettimeofday(&t2, NULL);
if( t2.tv_sec > dwTicks )
break;
}
} else {
for(;;) {
usleep(10 * 1000);
_UIO( usbio_ReadReg( dev->fd, 0x07, &reg7));
if( !reg7 ) {
usbio_WriteReg( dev->fd, 0x58, a_bRegs[0x58] );
usbio_ReadReg( dev->fd, 0x02, &bReg2 );
return SANE_TRUE;
}
gettimeofday(&t2, NULL);
if( t2.tv_sec > dwTicks )
break;
}
}
usbio_WriteReg( dev->fd, 0x58, a_bRegs[0x58] );
usbio_ReadReg ( dev->fd, 0x02, &bReg2 );
}
DBG( _DBG_ERROR, "Position NOT reached\n" );
return SANE_FALSE;
}
/*.............................................................................
*
*/
static SANE_Bool usb_ModuleToHome( pPlustek_Device dev, SANE_Bool fWait )
{
u_char value;
pDCapsDef scaps = &dev->usbDev.Caps;
pHWDef hw = &dev->usbDev.HwSetting;
/* Check if LM9831 is ready for setting command */
usbio_WriteReg( dev->fd, 0x58, hw->bReg_0x58 );
usbio_ReadReg ( dev->fd, 2, &value );
/* check current position... */
_UIO(usbio_ReadReg( dev->fd, 2, &value ));
if( value & 1 ) {
fModuleFirstHome = SANE_FALSE;
return SANE_TRUE;
}
_UIO( usbio_ReadReg( dev->fd, 0x07, &value ));
if( fModuleFirstHome ) {
fModuleFirstHome = SANE_FALSE;
if( hw->ScannerModel != MODEL_Tokyo600 )
usb_ModuleMove( dev, MOVE_Forward, hw->wMotorDpi / 2);
}
/* if not homing, do it... */
if( value != 2 ) {
u_short wFastFeedStepSize;
if( hw->ScannerModel == MODEL_Tokyo600 ) {
usbio_WriteReg( dev->fd, 0x07, 0 );
} else {
_UIO( usbio_ResetLM983x( dev ));
usleep(200*1000);
}
/* Compute fast feed step size, use equation 3 and equation 8 */
wFastFeedStepSize = (u_short)(dwCrystalFrequency / (6UL * 8UL * 1 *
hw->dMaxMotorSpeed * 4 * hw->wMotorDpi));
a_bRegs[0x48] = (u_char)(wFastFeedStepSize >> 8);
a_bRegs[0x49] = (u_char)(wFastFeedStepSize & 0xFF);
a_bRegs[0x4a] = 0;
a_bRegs[0x4b] = 0;
if( scaps->OpticDpi.x == 1200 || scaps->bPCB == 2) {
switch( hw->ScannerModel ) {
case MODEL_KaoHsiung:
case MODEL_HuaLien:
default:
a_bRegs[0x56] = 1;
a_bRegs[0x57] = 63;
break;
}
} else { /* if(Device.Caps.OpticDpi.x == 600) */
switch( hw->ScannerModel ) {
case MODEL_Tokyo600:
a_bRegs[0x56] = 4;
a_bRegs[0x57] = 4; /* 2; */
break;
case MODEL_HuaLien:
if( dev->caps.dwFlag & SFLAG_ADF ) {
a_bRegs[0x56] = 64; /* 32; */
a_bRegs[0x57] = 4; /* 16; */
} else {
a_bRegs[0x56] = 32;
a_bRegs[0x57] = 16;
}
break;
case MODEL_KaoHsiung:
default:
a_bRegs[0x56] = 64;
a_bRegs[0x57] = 20;
break;
}
}
a_bRegs[0x45] |= 0x10;
/* The setting for chassis moving is:
* MCLK divider = 6, 8 bits/pixel, HDPI divider = 12,
* no integration time adjustment and 1 channel grayscale
*/
/* MCLK divider = 6 */
if( !usbio_WriteReg(dev->fd, 0x08, 0x0A))
return SANE_FALSE;
/* 8 bits/pixel, HDPI divider = 12 */
if( !usbio_WriteReg(dev->fd, 0x09, 0x1F))
return SANE_FALSE;
/* Turn off integration time adjustment */
if( !usbio_WriteReg(dev->fd, 0x19, 0))
return SANE_FALSE;
/* 1 channel grayscale, green channel */
if( !usbio_WriteReg(dev->fd, 0x26, 0x8C))
return SANE_FALSE;
_UIO(sanei_lm983x_write(dev->fd, 0x48, &a_bRegs[0x48], 4, SANE_TRUE));
_UIO(sanei_lm983x_write(dev->fd, 0x56, &a_bRegs[0x56], 3, SANE_TRUE));
if( !usbio_WriteReg(dev->fd, 0x45, a_bRegs[0x45]))
return SANE_FALSE;
usbio_WriteReg(dev->fd, 0x0a, 0);
if( hw->ScannerModel == MODEL_HuaLien && scaps->OpticDpi.x == 600 )
usleep(100 * 1000);
if( !usbio_WriteReg(dev->fd, 0x07, 2))
return SANE_FALSE;
#if 0
if(Device.HwSetting.ScannerModel == MODEL_Tokyo600)
{
DWORD dwSpeedUp = GetTickCount () + 250;
//while(GetTickCount () < dwSpeedUp)
while((int)(dwSpeedUp - GetTickCount ()) > 0)
{
Sleep (10);
if (!ReadRegister (0x07, &value))
return FALSE;
if (!value)
return TRUE;
}
wFastFeedStepSize = (WORD)(dwCrystalFrequency / (6UL * 8UL * 1 * Device.HwSetting.dMaxMotorSpeed * 4 *
Device.HwSetting.wMotorDpi) * 60 / 78);
a_bRegs [0x48] = (BYTE)(wFastFeedStepSize >> 8);
a_bRegs [0x49] = (BYTE)(wFastFeedStepSize & 0xFF);
WriteRegisters(0x48, &a_bRegs[0x48], 2);
}
#endif
}
if( fWait ) {
long dwTicks;
struct timeval start_time, t2;
gettimeofday( &start_time, NULL );
dwTicks = start_time.tv_sec + 150;
for(;;) {
usleep( 20 * 1000 );
_UIO( usbio_ReadReg( dev->fd, 0x07, &value ));
if (!value)
return SANE_TRUE;
gettimeofday(&t2, NULL);
if( t2.tv_sec > dwTicks )
break;
}
return SANE_FALSE;
}
return SANE_TRUE;
}
/*.............................................................................
*
*/
static SANE_Bool usb_MotorSelect( pPlustek_Device dev, SANE_Bool fADF )
{
pDCapsDef sCaps = &dev->usbDev.Caps;
pHWDef hw = &dev->usbDev.HwSetting;
if( hw->ScannerModel == MODEL_NOPLUSTEK )
return SANE_TRUE;
if( fADF ) {
if( sCaps->bCCD == 4 ) {
hw->wMotorDpi = 300;
hw->dMaxMotorSpeed = 1.5;
hw->dMaxMoveSpeed = 1.5;
sCaps->OpticDpi.y = 600;
}
a_bRegs[0x5b] |= 0x80;
} else {
if( sCaps->bCCD == 4 ) {
hw->wMotorDpi = 600;
hw->dMaxMotorSpeed = 1.1;
hw->dMaxMoveSpeed = 0.9;
sCaps->OpticDpi.y = 1200;
}
a_bRegs[0x5b] &= ~0x80;
}
/* To stop the motor moving */
usbio_WriteReg( dev->fd, 0x07, 0 );
usleep(10 * 1000);
usbio_WriteReg( dev->fd, 0x5b, a_bRegs[0x5b] );
return SANE_TRUE;
}
/**
* This function returns the current lamp in use.
* For non Plustek devices, it always returns DEV_LampReflection.
* @param dev - pointer to our device structure,
* it should contain all we need
* @return - 0 if the scanner hasn't been used before, DEV_LampReflection
* for the normal lamp, or DEV_LampTPA for negative/transparency
* lamp
*/
static int usb_GetLampStatus( pPlustek_Device dev )
{
int iLampStatus = 0;
pHWDef hw = &dev->usbDev.HwSetting;
pDCapsDef sc = &dev->usbDev.Caps;
if( NULL == hw ) {
DBG( _DBG_ERROR, "NULL-Pointer detected: usb_GetLampStatus()\n" );
return -1;
}
if((_WAF_MISC_IO6_LAMP == (_WAF_MISC_IO6_LAMP & sc->workaroundFlag)) ||
(_WAF_MISC_IO3_LAMP == (_WAF_MISC_IO3_LAMP & sc->workaroundFlag))) {
iLampStatus |= DEV_LampReflection;
} else {
sanei_lm983x_read(dev->fd, 0x29,&a_bRegs[0x29],0x37-0x29+1,SANE_TRUE);
if((a_bRegs[0x29] & 3) == 1) {
if((a_bRegs[0x2e] * 256 + a_bRegs[0x2f]) > hw->wLineEnd )
iLampStatus |= DEV_LampReflection;
if((a_bRegs[0x36] * 256 + a_bRegs[0x37]) > hw->wLineEnd )
iLampStatus |= DEV_LampTPA;
}
}
DBG( _DBG_INFO, "LAMP-STATUS: 0x%08x\n", iLampStatus );
return iLampStatus;
}
/*.............................................................................
*
*/
static void usb_LedOn( pPlustek_Device dev, SANE_Bool fOn )
{
u_char value;
if( dev->usbDev.HwSetting.ScannerModel != MODEL_HuaLien )
return;
value = a_bRegs[0x0d];
/* if(ReadRegister(0x0d, &value)) */
{
if( fOn )
value |= 0x10;
else
value &= ~0x10;
a_bRegs[0x0d] = value;
usbio_WriteReg( dev->fd, 0x0d, value );
}
}
/*.............................................................................
*
*/
static SANE_Bool usb_LampOn( pPlustek_Device dev,
SANE_Bool fOn, SANE_Bool fResetTimer )
{
pScanDef scanning = &dev->scanning;
pDCapsDef sc = &dev->usbDev.Caps;
pHWDef hw = &dev->usbDev.HwSetting;
int iLampStatus = usb_GetLampStatus( dev );
int lampId = -1;
struct timeval t;
if( NULL == scanning ) {
DBG( _DBG_ERROR, "NULL-Pointer detected: usb_LampOn()\n" );
return SANE_FALSE;
}
switch( scanning->sParam.bSource ) {
case SOURCE_Reflection:
case SOURCE_ADF:
lampId = DEV_LampReflection;
break;
case SOURCE_Transparency:
case SOURCE_Negative:
lampId = DEV_LampTPA;
break;
}
if( fOn ) {
if( iLampStatus != lampId ) {
DBG( _DBG_INFO, "Switching Lamp on\n" );
memset( &a_bRegs[0x29], 0, (0x37-0x29+1));
/*
* EPSON specific stuff
*/
a_bRegs[0x29] = hw->bReg_0x29;
if(_WAF_MISC_IO6_LAMP==(_WAF_MISC_IO6_LAMP & sc->workaroundFlag)) {
a_bRegs[0x5b] = 0x94;
usbio_WriteReg( dev->fd, 0x5b, a_bRegs[0x5b] );
} else if(_WAF_MISC_IO3_LAMP ==
(_WAF_MISC_IO3_LAMP & sc->workaroundFlag)) {
a_bRegs[0x5a] |= 0x08;
usbio_WriteReg( dev->fd, 0x5a, a_bRegs[0x5a] );
} else {
if( lampId == DEV_LampReflection ) {
a_bRegs[0x2e] = 16383 / 256;
a_bRegs[0x2f] = 16383 % 256;
}
if( lampId == DEV_LampTPA ) {
a_bRegs[0x36] = 16383 / 256;
a_bRegs[0x37] = 16383 % 256;
}
}
if( hw->ScannerModel == MODEL_NOPLUSTEK ) {
a_bRegs[0x2c] = hw->red_lamp_on / 256;
a_bRegs[0x2d] = hw->red_lamp_on & 0xFF;
a_bRegs[0x2e] = hw->red_lamp_off / 256;
a_bRegs[0x2f] = hw->red_lamp_off & 0xFF;
a_bRegs[0x30] = hw->green_lamp_on / 256;
a_bRegs[0x31] = hw->green_lamp_on & 0xFF;
a_bRegs[0x32] = hw->green_lamp_off / 256;
a_bRegs[0x33] = hw->green_lamp_off & 0xFF;
a_bRegs[0x34] = hw->blue_lamp_on / 256;
a_bRegs[0x35] = hw->blue_lamp_on & 0xFF;
a_bRegs[0x36] = hw->blue_lamp_off / 256;
a_bRegs[0x37] = hw->blue_lamp_off & 0xFF;
}
sanei_lm983x_write( dev->fd, 0x29,
&a_bRegs[0x29], 0x37-0x29+1, SANE_TRUE );
if( lampId != dev->usbDev.currentLamp ) {
dev->usbDev.currentLamp = lampId;
if( fResetTimer ) {
gettimeofday( &t, NULL );
dev->usbDev.dwTicksLampOn = t.tv_sec;
DBG( _DBG_INFO, "Warmup-Timer started\n" );
}
}
}
} else {
int iStatusChange = iLampStatus & ~lampId;
if( iStatusChange != iLampStatus ) {
DBG( _DBG_INFO, "Switching Lamp off\n" );
memset( &a_bRegs[0x29], 0, 0x37-0x29+1 );
a_bRegs[0x29] = hw->bReg_0x29;
/*
* EPSON specific stuff
*/
if(_WAF_MISC_IO6_LAMP==(_WAF_MISC_IO6_LAMP & sc->workaroundFlag)) {
a_bRegs[0x5b] = 0x14;
usbio_WriteReg( dev->fd, 0x5b, a_bRegs[0x5b] );
} else if( _WAF_MISC_IO3_LAMP ==
(_WAF_MISC_IO3_LAMP & sc->workaroundFlag)) {
a_bRegs[0x5a] &= ~0x08;
usbio_WriteReg( dev->fd, 0x5a, a_bRegs[0x5a] );
} else {
if( iStatusChange & DEV_LampReflection ) {
a_bRegs[0x2e] = 16383 / 256;
a_bRegs[0x2f] = 16383 % 256;
}
if( iStatusChange & DEV_LampTPA ) {
a_bRegs[0x36] = 16383 / 256;
a_bRegs[0x37] = 16383 % 256;
}
}
if( hw->ScannerModel == MODEL_NOPLUSTEK ) {
a_bRegs[0x2c] = hw->red_lamp_on / 256;
a_bRegs[0x2d] = hw->red_lamp_on & 0xFF;
a_bRegs[0x2e] = hw->red_lamp_off / 256;
a_bRegs[0x2f] = hw->red_lamp_off & 0xFF;
a_bRegs[0x30] = hw->green_lamp_on / 256;
a_bRegs[0x31] = hw->green_lamp_on & 0xFF;
a_bRegs[0x32] = hw->green_lamp_off / 256;
a_bRegs[0x33] = hw->green_lamp_off & 0xFF;
a_bRegs[0x34] = hw->blue_lamp_on / 256;
a_bRegs[0x35] = hw->blue_lamp_on & 0xFF;
a_bRegs[0x36] = hw->blue_lamp_off / 256;
a_bRegs[0x37] = hw->blue_lamp_off & 0xFF;
}
sanei_lm983x_write( dev->fd, 0x29,
&a_bRegs[0x29], 0x37-0x29+1, SANE_TRUE );
}
}
if( usb_GetLampStatus(dev))
usb_LedOn( dev, SANE_TRUE );
else
usb_LedOn( dev, SANE_FALSE );
return SANE_TRUE;
}
/**
* Function to preset the registers for the specific device, which
* should never change during the whole operation
* Affected registers:<br>
* 0x0b - 0x0e - Sensor settings - directly from the HWDef<br>
* 0x0f - 0x18 - Sensor Configuration - directly from the HwDef<br>
* 0x1a - 0x1b - Stepper Phase Correction<br>
* 0x20 - 0x21 - Line End<br>
* 0x45 - Stepper Motor Mode<br>
* 0x4c - 0x4d - Full Steps to Scan after PAPER SENSE 2 trips<br>
* 0x51 - Acceleration Profile<br>
* 0x54 - 0x5e - Motor Settings, Paper-Sense Settings and Misc I/O<br>
*
* @param dev - pointer to our device structure,
* it should contain all we need
* @return - Nothing
*/
static void usb_ResetRegisters( pPlustek_Device dev )
{
pHWDef hw = &dev->usbDev.HwSetting;
memset( a_bRegs, 0, sizeof(a_bRegs));
memcpy( a_bRegs+0x0b, &hw->bSensorConfiguration, 4 );
memcpy( a_bRegs+0x0f, &hw->bReg_0x0f_Color, 10 );
a_bRegs[0x1a] = _HIBYTE( hw->StepperPhaseCorrection );
a_bRegs[0x1b] = _LOBYTE( hw->StepperPhaseCorrection );
a_bRegs[0x20] = _HIBYTE( hw->wLineEnd );
a_bRegs[0x21] = _LOBYTE( hw->wLineEnd );
a_bRegs[0x45] = hw->bReg_0x45;
a_bRegs[0x4c] = _HIBYTE( hw->wStepsAfterPaperSensor2 );
a_bRegs[0x4d] = _LOBYTE( hw->wStepsAfterPaperSensor2 );
a_bRegs[0x51] = hw->bReg_0x51;
memcpy( a_bRegs+0x54, &hw->bReg_0x54, 0x5e - 0x54 + 1 );
}
/*.............................................................................
*
*/
static SANE_Bool usb_ModuleStatus( pPlustek_Device dev )
{
u_char value;
pHWDef hw = &dev->usbDev.HwSetting;
#if 0
if(Calibration.fCalibrated)
return SANE_TRUE;
#endif
_UIO( usbio_ReadReg( dev->fd, 2, &value ));
if( value & 1 ) {
_UIO( usbio_ReadReg( dev->fd, 0x7, &value));
if( value ) {
usbio_WriteReg( dev->fd, 0x07, 0 );
usbio_WriteReg( dev->fd, 0x07, 0x20 );
usbio_WriteReg( dev->fd, 0x07, 0 );
sanei_lm983x_write( dev->fd, 0x58,
&hw->bReg_0x58, 0x5b-0x58+1, SANE_TRUE );
usbio_ReadReg( dev->fd, 2, &value );
usbio_ReadReg( dev->fd, 2, &value );
}
usb_MotorOn( dev->fd, SANE_FALSE );
return SANE_TRUE;
}
_UIO( usbio_ReadReg( dev->fd, 0x7, &value ));
if( !(value & 2))
usb_ModuleToHome( dev, SANE_FALSE );
return SANE_FALSE;
}
/* HEINER: replace!!! */
static pPlustek_Device dev_xxx;
/**
* ISR to switch lamp off after time has elapsed
*/
static void usb_LampTimerIrq( int sig )
{
int handle = -1;
_VAR_NOT_USED( sig );
DBG( _DBG_INFO, "LAMP OFF!!!\n" );
if( -1 == dev_xxx->fd ) {
if( SANE_STATUS_GOOD == sanei_usb_open(dev_xxx->sane.name, &handle)) {
dev_xxx->fd = handle;
}
}
if( -1 != dev_xxx->fd )
usb_LampOn( dev_xxx, SANE_FALSE, SANE_FALSE );
if( -1 != handle ) {
dev_xxx->fd = -1;
sanei_usb_close( handle );
}
}
/*.............................................................................
*
*/
static void usb_StartLampTimer( pPlustek_Device dev )
{
sigset_t block, pause_mask;
struct sigaction s;
struct itimerval interval;
/* block SIGALRM */
sigemptyset( &block );
sigaddset ( &block, SIGALRM );
sigprocmask( SIG_BLOCK, &block, &pause_mask );
/* setup handler */
sigemptyset( &s.sa_mask );
sigaddset ( &s.sa_mask, SIGINT );
s.sa_flags = 0;
s.sa_handler = usb_LampTimerIrq;
if( sigaction( SIGALRM, &s, NULL ) < 0 )
DBG( _DBG_ERROR, "Can<EFBFBD>t setup timer-irq handler\n" );
sigprocmask( SIG_UNBLOCK, &block, &pause_mask );
/*
* define a one-shot timer
*/
interval.it_value.tv_usec = 0;
interval.it_value.tv_sec = dev->usbDev.dwLampOnPeriod;
interval.it_interval.tv_usec = 0;
interval.it_interval.tv_sec = 0;
dev_xxx = dev;
if( 0 != dev->usbDev.dwLampOnPeriod ) {
setitimer( ITIMER_REAL, &interval, &dev->saveSettings );
DBG( _DBG_INFO, "Lamp-Timer started\n" );
}
}
/*.............................................................................
*
*/
static void usb_StopLampTimer( pPlustek_Device dev )
{
sigset_t block, pause_mask;
/* block SIGALRM */
sigemptyset( &block );
sigaddset ( &block, SIGALRM );
sigprocmask( SIG_BLOCK, &block, &pause_mask );
if( 0 != dev->usbDev.dwLampOnPeriod )
setitimer( ITIMER_REAL, &dev->saveSettings, NULL );
DBG( _DBG_INFO, "Lamp-Timer stopped\n" );
}
/* END PLUSTEK-USBHW.C ......................................................*/