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

1441 wiersze
40 KiB
C
Czysty Wina Historia

/*.............................................................................
* Project : SANE library for Plustek flatbed scanners.
*.............................................................................
*/
/** @file plustek-usb.c
* @brief The interface functions to the USB driver stuff.
*
* Based on sources acquired from Plustek Inc.<br>
* Copyright (C) 2001-2005 Gerhard Jaeger <gerhard@gjaeger.de>
*
* History:
* - 0.40 - starting version of the USB support
* - 0.41 - removed CHECK
* - added Canon to the manufacturer list
* - 0.42 - added warmup stuff
* - added setmap function
* - changed detection stuff, so we first check whether
* - the vendor and product Ids match with the ones in our list
* - 0.43 - cleanup
* - 0.44 - changes to integration CIS based devices
* - 0.45 - added skipFine assignment
* - added auto device name detection if only product and vendor id<br>
* has been specified
* - made 16-bit gray mode work
* - added special handling for Genius devices
* - added TPA autodetection for EPSON Photo
* - fixed bug that causes warmup each time autodetected<br>
* TPA on EPSON is used
* - removed Genius from PCB-Id check
* - added Compaq to the list
* - removed the scaler stuff for CIS devices
* - removed homeing stuff from readline function
* - fixed flag setting in usbDev_startScan()
* - 0.46 - added additional branch to support alternate calibration
* - 0.47 - added special handling with 0x400 vendor ID and model override
* - removed PATH_MAX
* - change usbDev_stopScan and usbDev_open prototype
* - cleanup
* - 0.48 - added function usb_CheckAndCopyAdjs()
* - 0.49 - changed autodetection
* .
* <hr>
* 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.
* <hr>
*/
/** useful for description tables
*/
typedef struct {
int id;
char *desc;
} TabDef, *pTabDef;
/** to allow different vendors...
*/
static TabDef usbVendors[] = {
{ 0x07B3, "Plustek" },
{ 0x0400, "Mustek" }, /* this in fact is not correct */
/* but is used for the BearPaws */
{ 0x0458, "KYE/Genius" },
{ 0x03F0, "Hewlett-Packard" },
{ 0x04B8, "Epson" },
{ 0x04A9, "Canon" },
{ 0x1606, "UMAX" },
{ 0x049F, "Compaq" },
{ 0xFFFF, NULL }
};
/** we use at least 8 megs for scanning... */
#define _SCANBUF_SIZE (8 * 1024 * 1024)
/********************** the USB scanner interface ****************************/
/** remove the slash out of the model-name to obtain a valid filename
*/
static SANE_Bool usb_normFileName( char *fname, char* buffer, u_long max_len )
{
char *src, *dst;
if( NULL == fname )
return SANE_FALSE;
if( strlen( fname ) >= max_len )
return SANE_FALSE;
src = fname;
dst = buffer;
while( *src != '\0' ) {
if((*src == '/') || isspace(*src))
*dst = '_';
else
*dst = *src;
*dst++;
*src++;
}
*dst = '\0';
return SANE_TRUE;
}
/** do some range checking and copy the adjustment values from the
* frontend to our internal structures, so that the backend can take
* care of them.
*/
static void usb_CheckAndCopyAdjs( Plustek_Device *dev )
{
if( dev->adj.lampOff >= 0 )
dev->usbDev.dwLampOnPeriod = dev->adj.lampOff;
if( dev->adj.lampOffOnEnd >= 0 )
dev->usbDev.bLampOffOnEnd = dev->adj.lampOffOnEnd;
if( dev->adj.skipCalibration > 0 )
dev->usbDev.Caps.workaroundFlag |= _WAF_BYPASS_CALIBRATION;
if( dev->adj.skipFine > 0 )
dev->usbDev.Caps.workaroundFlag |= _WAF_SKIP_FINE;
if( dev->adj.skipFineWhite > 0 )
dev->usbDev.Caps.workaroundFlag |= _WAF_SKIP_WHITEFINE;
if( dev->adj.invertNegatives > 0 )
dev->usbDev.Caps.workaroundFlag |= _WAF_INV_NEGATIVE_MAP;
}
/**
* assign the values to the structures used by the currently found scanner
*/
static void usb_initDev( pPlustek_Device dev, int idx, int handle, int vendor )
{
char *ptr;
char tmp_str1[PATH_MAX];
char tmp_str2[PATH_MAX];
int i;
ScanParam sParam;
u_short tmp = 0;
DBG( _DBG_INFO, "usb_initDev(%d,0x%04x,%i)\n",
idx, vendor, dev->initialized );
/* save capability flags... */
if( dev->initialized >= 0 ) {
tmp = DEVCAPSFLAG_TPA;
}
/* copy the original values... */
memcpy( &dev->usbDev.Caps, Settings[idx].pDevCaps, sizeof(DCapsDef));
memcpy( &dev->usbDev.HwSetting, Settings[idx].pHwDef, sizeof(HWDef));
/* restore capability flags... */
if( dev->initialized >= 0 ) {
dev->usbDev.Caps.wFlags |= tmp;
}
usb_CheckAndCopyAdjs( dev );
DBG( _DBG_INFO, "Device WAF : 0x%08lx\n", dev->usbDev.Caps.workaroundFlag );
DBG( _DBG_INFO, "Transferrate: %lu Bytes/s\n", dev->transferRate );
/* adjust data origin
*/
dev->usbDev.Caps.Positive.DataOrigin.x -= dev->adj.tpa.x;
dev->usbDev.Caps.Positive.DataOrigin.y -= dev->adj.tpa.y;
dev->usbDev.Caps.Negative.DataOrigin.x -= dev->adj.neg.x;
dev->usbDev.Caps.Negative.DataOrigin.y -= dev->adj.neg.y;
dev->usbDev.Caps.Normal.DataOrigin.x -= dev->adj.pos.x;
dev->usbDev.Caps.Normal.DataOrigin.y -= dev->adj.pos.y;
/** adjust shading position
*/
if( dev->adj.posShadingY >= 0 )
dev->usbDev.Caps.Normal.ShadingOriginY = dev->adj.posShadingY;
if( dev->adj.tpaShadingY >= 0 )
dev->usbDev.Caps.Positive.ShadingOriginY = dev->adj.tpaShadingY;
if( dev->adj.negShadingY >= 0 )
dev->usbDev.Caps.Negative.ShadingOriginY = dev->adj.negShadingY;
/* adjust the gamma settings... */
if( dev->adj.rgamma == 1.0 )
dev->adj.rgamma = dev->usbDev.HwSetting.gamma;
if( dev->adj.ggamma == 1.0 )
dev->adj.ggamma = dev->usbDev.HwSetting.gamma;
if( dev->adj.bgamma == 1.0 )
dev->adj.bgamma = dev->usbDev.HwSetting.gamma;
if( dev->adj.graygamma == 1.0 )
dev->adj.graygamma = dev->usbDev.HwSetting.gamma;
/* the following you normally get from the registry...
*/
bMaxITA = 0; /* Maximum integration time adjust */
dev->usbDev.ModelStr = Settings[idx].pModelString;
dev->fd = handle;
if( dev->initialized < 0 ) {
if( usb_HasTPA( dev ))
dev->usbDev.Caps.wFlags |= DEVCAPSFLAG_TPA;
}
DBG( _DBG_INFO, "Device Flags: 0x%08x\n", dev->usbDev.Caps.wFlags );
/* well now we patch the vendor string...
* if not found, the default vendor will be Plustek
*/
for( i = 0; usbVendors[i].desc != NULL; i++ ) {
if( usbVendors[i].id == vendor ) {
dev->sane.vendor = usbVendors[i].desc;
DBG( _DBG_INFO, "Vendor adjusted to: >%s<\n", dev->sane.vendor );
break;
}
}
dev->usbDev.dwTicksLampOn = 0;
dev->usbDev.currentLamp = usb_GetLampStatus( dev );
usb_ResetRegisters( dev );
if( dev->initialized >= 0 )
return;
usbio_ResetLM983x ( dev );
usb_IsScannerReady( dev );
sParam.bBitDepth = 8;
sParam.bCalibration = PARAM_Scan;
sParam.bChannels = 3;
sParam.bDataType = SCANDATATYPE_Color;
sParam.bSource = SOURCE_Reflection;
sParam.Origin.x = 0;
sParam.Origin.y = 0;
sParam.UserDpi.x = 150;
sParam.UserDpi.y = 150;
sParam.dMCLK = 4;
sParam.Size.dwPixels = 0;
/* create calibration-filename */
ptr = getenv ("HOME");
if( !usb_normFileName( dev->usbDev.ModelStr, tmp_str1, PATH_MAX )) {
strcpy( tmp_str1, "plustek-default" );
}
if( NULL == ptr ) {
sprintf( tmp_str2, "/tmp/%s-%s.cal",
dev->sane.vendor, tmp_str1 );
} else {
sprintf( tmp_str2, "%s/.sane/%s-%s.cal",
ptr, dev->sane.vendor, tmp_str1 );
}
dev->calFile = strdup( tmp_str2 );
DBG( _DBG_INFO, "Calibration file-name set to:\n" );
DBG( _DBG_INFO, ">%s<\n", dev->calFile );
/* initialize the ASIC registers */
usb_SetScanParameters( dev, &sParam );
/* check and move sensor to its home position */
usb_ModuleToHome( dev, SANE_FALSE );
/* set the global flag, that we are initialized so far */
dev->initialized = idx;
}
/**
* will be used for retrieving a Plustek device
*/
static int usb_CheckForPlustekDevice( int handle, pPlustek_Device dev )
{
char tmp[50];
char pcbStr[10];
u_char reg59[3], reg59s[3], pcbID;
int i, result;
/*
* Plustek uses the misc IO 12 to get the PCB ID
* (PCB = printed circuit board), so it's possible to have one
* product ID and up to 7 different devices...
*/
DBG( _DBG_INFO, "Trying to get the pcbID of a Plustek device...\n" );
/*
* get the PCB-ID
*/
result = sanei_lm983x_read( handle, 0x59, reg59s, 3, SANE_TRUE );
if( SANE_STATUS_GOOD != result ) {
sanei_usb_close( handle );
return -1;
}
reg59[0] = 0x22; /* PIO1: Input, PIO2: Input */
reg59[1] = 0x02; /* PIO3: Input, PIO4: Output as low */
reg59[2] = 0x03;
result = sanei_lm983x_write( handle, 0x59, reg59, 3, SANE_TRUE );
if( SANE_STATUS_GOOD != result ) {
sanei_usb_close( handle );
return -1;
}
result = sanei_lm983x_read ( handle, 0x02, &pcbID, 1, SANE_TRUE );
if( SANE_STATUS_GOOD != result ) {
sanei_usb_close( handle );
return -1;
}
pcbID = (u_char)((pcbID >> 2) & 0x07);
result = sanei_lm983x_read( handle, 0x59, reg59s, 3, SANE_TRUE );
if( SANE_STATUS_GOOD != result ) {
sanei_usb_close( handle );
return -1;
}
DBG( _DBG_INFO, "pcbID=0x%02x\n", pcbID );
/* now roam through the setting list... */
strncpy( tmp, dev->usbId, 13 );
tmp[13] = '\0';
sprintf( pcbStr, "-%u", pcbID );
strcat ( tmp, pcbStr );
DBG( _DBG_INFO, "Checking for device >%s<\n", tmp );
for( i = 0; NULL != Settings[i].pIDString; i++ ) {
if( 0 == strcmp( Settings[i].pIDString, tmp )) {
DBG(_DBG_INFO, "Device description for >%s< found.\n", tmp );
usb_initDev( dev, i, handle, dev->usbDev.vendor );
return handle;
}
}
return -1;
}
/**
* will be called upon sane_exit
*/
static void usbDev_shutdown( Plustek_Device *dev )
{
SANE_Int handle;
DBG( _DBG_INFO, "Shutdown called (dev->fd=%d, %s)\n",
dev->fd, dev->sane.name );
if( NULL == dev->usbDev.ModelStr ) {
DBG( _DBG_INFO, "Function ignored!\n" );
return;
}
if( SANE_STATUS_GOOD == sanei_usb_open( dev->sane.name, &handle )) {
dev->fd = handle;
DBG( _DBG_INFO, "Waiting for scanner-ready...\n" );
usb_IsScannerReady( dev );
if( 0 != dev->usbDev.bLampOffOnEnd ) {
DBG( _DBG_INFO, "Switching lamp off...\n" );
usb_LampOn( dev, SANE_FALSE, SANE_FALSE );
}
dev->fd = -1;
sanei_usb_close( handle );
}
usb_StopLampTimer( dev );
}
/**
* This function checks wether a device, described by a given
* string(vendor and product ID), is support by this backend or not
*
* @param usbIdStr - sting consisting out of product and vendor ID
* format: "0xVVVVx0xPPPP" VVVV = Vendor ID, PPP = Product ID
* @returns; SANE_TRUE if supported, SANE_FALSE if not
*/
static SANE_Bool usb_IsDeviceInList( char *usbIdStr )
{
int i;
for( i = 0; NULL != Settings[i].pIDString; i++ ) {
if( 0 == strncmp( Settings[i].pIDString, usbIdStr, 13 ))
return SANE_TRUE;
}
return SANE_FALSE;
}
/** get last valid entry of a list
*/
static DevList*
getLast( DevList *l )
{
if( l == NULL )
return NULL;
while( l->next != NULL )
l = l->next;
return l;
}
/** add a new entry to our internal device list, when a device is detected
*/
static SANE_Status usb_attach( SANE_String_Const dev_name )
{
int len;
DevList *tmp, *last;
/* get some memory for the entry... */
len = sizeof(DevList) + strlen(dev_name) + 1;
tmp = (DevList*)malloc(len);
/* initialize and set the values */
memset(tmp, 0, len );
/* the device name is part of our structure space */
tmp->dev_name = &((char*)tmp)[sizeof(DevList)];
strcpy( tmp->dev_name, dev_name );
tmp->attached = SANE_FALSE;
/* root set ? */
if( usbDevs == NULL ) {
usbDevs = tmp;
} else {
last = getLast(usbDevs); /* append... */
last->next = tmp;
}
return SANE_STATUS_GOOD;
}
/**
*/
static void
usbGetList( DevList **devs )
{
int i;
SANE_Bool il;
SANE_Word v, p;
DevList *tmp;
DBG( _DBG_INFO, "Retrieving all supported and conntected devices\n" );
for( i = 0; NULL != Settings[i].pIDString; i++ ) {
v = strtol( &(Settings[i].pIDString)[0], 0, 0 );
p = strtol( &(Settings[i].pIDString)[7], 0, 0 );
/* check if this vendor- and product-ID has already been added, needed
* for Plustek devices - here on product-ID is used for more than one
* device type...
*/
il = SANE_FALSE;
for( tmp = *devs; tmp ; tmp = tmp->next ) {
if( tmp->device_id == p && tmp->vendor_id == v ) {
il = SANE_TRUE;
break;
}
}
if( il ) {
DBG( _DBG_INFO2, "Already in list: 0x%04x-0x%04x\n", v, p );
continue;
}
/* get the last entry... */
tmp = getLast(*devs);
DBG( _DBG_INFO2, "Checking for 0x%04x-0x%04x\n", v, p );
sanei_usb_find_devices( v, p, usb_attach );
if( getLast(*devs) != tmp ) {
if( tmp == NULL )
tmp = *devs;
else
tmp = tmp->next;
while( tmp != NULL ) {
tmp->vendor_id = v;
tmp->device_id = p;
tmp = tmp->next;
}
}
}
DBG( _DBG_INFO, "Available and supported devices:\n" );
if( *devs == NULL )
DBG( _DBG_INFO, "NONE.\n" );
for( tmp = *devs; tmp; tmp = tmp->next ) {
DBG( _DBG_INFO, "Device: >%s< - 0x%04xx0x%04x\n",
tmp->dev_name, tmp->vendor_id, tmp->device_id );
}
}
/**
*/
static int usbDev_open( Plustek_Device *dev, DevList *devs, int keep_lock )
{
char dn[512];
char devStr[50];
int result;
int i;
int lc;
SANE_Int handle;
SANE_Byte version;
SANE_Word vendor, product;
SANE_Bool was_empty;
SANE_Status status;
DevList *tmp;
DBG( _DBG_INFO, "usbDev_open(%s,%s) - %p\n",
dev->name, dev->usbId, (void*)devs );
/* preset our internal usb device structure */
memset( &dev->usbDev, 0, sizeof(DeviceDef));
/* devs is NULL, when called from sane_start */
if( devs ) {
dn[0] = '\0';
if( !strcmp( dev->name, "auto" )) {
/* use the first "unattached"... */
for( tmp = devs; tmp; tmp = tmp->next ) {
if( !tmp->attached ) {
tmp->attached = SANE_TRUE;
strcpy( dn, tmp->dev_name );
break;
}
}
} else {
vendor = strtol( &dev->usbId[0], 0, 0 );
product = strtol( &dev->usbId[7], 0, 0 );
/* check the first match... */
for( tmp = devs; tmp; tmp = tmp->next ) {
if( tmp->vendor_id == vendor && tmp->device_id == product ) {
if( !tmp->attached ) {
tmp->attached = SANE_TRUE;
strcpy( dn, tmp->dev_name );
break;
}
}
}
}
if( !dn[0] ) {
DBG( _DBG_ERROR, "No supported device found!\n" );
return -1;
}
status = sanei_access_lock( dn, 5 );
if( SANE_STATUS_GOOD != status ) {
DBG( _DBG_ERROR, "sanei_access_lock failed: %d\n", status );
return -1;
}
status = sanei_usb_open( dn, &handle );
if( SANE_STATUS_GOOD != status ) {
DBG( _DBG_ERROR, "sanei_usb_open failed: %s (%d)\n",
strerror(errno), errno);
sanei_access_unlock( dev->sane.name );
return -1;
}
/* replace the old devname, so we are able to have multiple
* auto-detected devices
*/
free( dev->name );
dev->name = strdup(dn);
dev->sane.name = dev->name;
} else {
status = sanei_access_lock( dev->sane.name, 5 );
if( SANE_STATUS_GOOD != status ) {
DBG( _DBG_ERROR, "sanei_access_lock failed: %d\n", status );
return -1;
}
status = sanei_usb_open( dev->name, &handle );
if( SANE_STATUS_GOOD != status ) {
DBG( _DBG_ERROR, "sanei_usb_open failed: %s (%d)\n",
strerror(errno), errno);
sanei_access_unlock( dev->sane.name );
return -1;
}
}
was_empty = SANE_FALSE;
result = sanei_usb_get_vendor_product( handle, &vendor, &product );
if( SANE_STATUS_GOOD == result ) {
sprintf( devStr, "0x%04X-0x%04X", vendor, product );
DBG(_DBG_INFO,"Vendor ID=0x%04X, Product ID=0x%04X\n",vendor,product);
if( dev->usbId[0] != '\0' ) {
if( 0 != strcmp( dev->usbId, devStr )) {
DBG( _DBG_ERROR, "Specified Vendor and Product ID "
"doesn't match with the ones\n"
"in the config file\n" );
sanei_access_unlock( dev->sane.name );
sanei_usb_close( handle );
return -1;
}
} else {
sprintf( dev->usbId, "0x%04X-0x%04X", vendor, product );
was_empty = SANE_TRUE;
}
} else {
DBG( _DBG_INFO, "Can't get vendor & product ID from driver...\n" );
/* if the ioctl stuff is not supported by the kernel and we have
* nothing specified, we have to give up...
*/
if( dev->usbId[0] == '\0' ) {
DBG( _DBG_ERROR, "Cannot autodetect Vendor an Product ID, "
"please specify in config file.\n" );
sanei_access_unlock( dev->sane.name );
sanei_usb_close( handle );
return -1;
}
vendor = strtol( &dev->usbId[0], 0, 0 );
product = strtol( &dev->usbId[7], 0, 0 );
DBG( _DBG_INFO, "... using the specified: "
"0x%04X-0x%04X\n", vendor, product );
}
/* before accessing the scanner, check if supported!
*/
if( !usb_IsDeviceInList( dev->usbId )) {
DBG( _DBG_ERROR, "Device >%s<, is not supported!\n", dev->usbId );
sanei_access_unlock( dev->sane.name );
sanei_usb_close( handle );
return -1;
}
status = usbio_DetectLM983x( handle, &version );
if( SANE_STATUS_GOOD != status ) {
sanei_usb_close( handle );
sanei_access_unlock( dev->sane.name );
return -1;
}
if ((version < 3) || (version > 4)) {
DBG( _DBG_ERROR, "This is not a LM9831 or LM9832 chip based scanner.\n" );
sanei_usb_close( handle );
sanei_access_unlock( dev->sane.name );
return -1;
}
dev->fd = handle;
usbio_ResetLM983x ( dev );
usb_IsScannerReady( dev );
dev->fd = -1;
dev->usbDev.vendor = vendor;
dev->usbDev.product = product;
DBG( _DBG_INFO, "Detected vendor & product ID: "
"0x%04X-0x%04X\n", vendor, product );
/*
* Plustek uses the misc IO 1/2 to get the PCB ID
* (PCB = printed circuit board), so it's possible to have one
* product ID and up to 7 different devices...
*/
if( 0x07B3 == vendor ) {
handle = usb_CheckForPlustekDevice( handle, dev );
if( was_empty )
dev->usbId[0] = '\0';
if( handle >= 0 ) {
if( !keep_lock )
sanei_access_unlock( dev->sane.name );
return handle;
}
} else {
/* now roam through the setting list... */
lc = 13;
strncpy( devStr, dev->usbId, lc );
devStr[lc] = '\0';
if( 0x400 == vendor ) {
if((dev->adj.mov < 0) || (dev->adj.mov > 1)) {
DBG(_DBG_INFO, "BearPaw MOV out of range: %d\n", dev->adj.mov);
dev->adj.mov = 0;
}
sprintf( devStr, "%s-%d", dev->usbId, dev->adj.mov );
lc = strlen(devStr);
DBG( _DBG_INFO, "BearPaw device: %s (%d)\n", devStr, lc );
}
if( was_empty )
dev->usbId[0] = '\0';
/* if we don't use the PCD ID extension...
*/
for( i = 0; NULL != Settings[i].pIDString; i++ ) {
if( 0 == strncmp( Settings[i].pIDString, devStr, lc )) {
DBG( _DBG_INFO, "Device description for >%s< found.\n", devStr );
usb_initDev( dev, i, handle, vendor );
if( !keep_lock )
sanei_access_unlock( dev->sane.name );
return handle;
}
}
}
sanei_access_unlock( dev->sane.name );
sanei_usb_close( handle );
DBG( _DBG_ERROR, "No matching device found >%s<\n", devStr );
return -1;
}
/**
*/
static int usbDev_close( Plustek_Device *dev )
{
DBG( _DBG_INFO, "usbDev_close()\n" );
sanei_usb_close( dev->fd );
dev->fd = -1;
return 0;
}
/** convert the stuff
*/
static int usbDev_getCaps( Plustek_Device *dev )
{
pDCapsDef scaps = &dev->usbDev.Caps;
DBG( _DBG_INFO, "usbDev_getCaps()\n" );
dev->caps.dwFlag = 0;
if(((DEVCAPSFLAG_Positive & scaps->wFlags) &&
(DEVCAPSFLAG_Negative & scaps->wFlags)) ||
(DEVCAPSFLAG_TPA & scaps->wFlags)) {
dev->caps.dwFlag |= SFLAG_TPA;
}
dev->caps.wMaxExtentX = scaps->Normal.Size.x;
dev->caps.wMaxExtentY = scaps->Normal.Size.y;
return 0;
}
/** usbDev_getCropInfo
* function to set the image relevant stuff
*/
static int usbDev_getCropInfo( Plustek_Device *dev, pCropInfo ci )
{
WinInfo size;
DBG( _DBG_INFO, "usbDev_getCropInfo()\n" );
usb_GetImageInfo( dev, &ci->ImgDef, &size );
ci->dwPixelsPerLine = size.dwPixels;
ci->dwLinesPerArea = size.dwLines;
ci->dwBytesPerLine = size.dwBytes;
if( ci->ImgDef.dwFlag & SCANFLAG_DWORDBoundary )
ci->dwBytesPerLine = (ci->dwBytesPerLine + 3UL) & 0xfffffffcUL;
DBG( _DBG_INFO, "PPL = %lu\n", ci->dwPixelsPerLine );
DBG( _DBG_INFO, "LPA = %lu\n", ci->dwLinesPerArea );
DBG( _DBG_INFO, "BPL = %lu\n", ci->dwBytesPerLine );
return 0;
}
/**
*/
static int usbDev_setMap( Plustek_Device *dev, SANE_Word *map,
SANE_Word length, SANE_Word channel )
{
SANE_Word i, idx;
DBG(_DBG_INFO,"Setting map[%u] at 0x%08lx\n",channel,(unsigned long)map);
_VAR_NOT_USED( dev );
if( channel == _MAP_MASTER ) {
for( i = 0; i < length; i++ ) {
a_bMap[i] = (SANE_Byte)map[i];
a_bMap[length +i] = (SANE_Byte)map[i];
a_bMap[(length*2)+i] = (SANE_Byte)map[i];
}
} else {
idx = 0;
if( channel == _MAP_GREEN )
idx = 1;
if( channel == _MAP_BLUE )
idx = 2;
for( i = 0; i < length; i++ ) {
a_bMap[(length * idx)+i] = (SANE_Byte)map[i];
}
}
return 0;
}
/**
*/
static int usbDev_setScanEnv( Plustek_Device *dev, pScanInfo si )
{
DCapsDef *caps = &dev->usbDev.Caps;
DBG( _DBG_INFO, "usbDev_setScanEnv()\n" );
/* clear all the stuff */
memset( &dev->scanning, 0, sizeof(ScanDef));
if((si->ImgDef.dwFlag & SCANDEF_Adf) &&
(si->ImgDef.dwFlag & SCANDEF_ContinuousScan)) {
dev->scanning.sParam.dMCLK = dMCLK_ADF;
}
/* Save necessary informations */
dev->scanning.fGrayFromColor = 0;
if( si->ImgDef.wDataType == COLOR_256GRAY ) {
if( !(si->ImgDef.dwFlag & SCANDEF_Adf ) &&
(dev->usbDev.Caps.OpticDpi.x == 1200 && si->ImgDef.xyDpi.x <= 300)) {
dev->scanning.fGrayFromColor = 2;
si->ImgDef.wDataType = COLOR_TRUE24;
DBG( _DBG_INFO, "* Gray from color set!\n" );
}
if( caps->workaroundFlag & _WAF_GRAY_FROM_COLOR ) {
DBG( _DBG_INFO, "* Gray(8-bit) from color set!\n" );
dev->scanning.fGrayFromColor = 2;
si->ImgDef.wDataType = COLOR_TRUE24;
}
} else if ( si->ImgDef.wDataType == COLOR_GRAY16 ) {
if( caps->workaroundFlag & _WAF_GRAY_FROM_COLOR ) {
DBG( _DBG_INFO, "* Gray(16-bit) from color set!\n" );
dev->scanning.fGrayFromColor = 2;
si->ImgDef.wDataType = COLOR_TRUE48;
}
} else if ( si->ImgDef.wDataType == COLOR_BW ) {
if( caps->workaroundFlag & _WAF_BIN_FROM_COLOR ) {
DBG( _DBG_INFO, "* Binary from color set!\n" );
dev->scanning.fGrayFromColor = 10;
si->ImgDef.wDataType = COLOR_TRUE24;
}
}
usb_SaveImageInfo( dev, &si->ImgDef );
usb_GetImageInfo ( dev, &si->ImgDef, &dev->scanning.sParam.Size );
/* Flags */
dev->scanning.dwFlag = si->ImgDef.dwFlag &
(SCANFLAG_bgr | SCANFLAG_BottomUp |
SCANFLAG_DWORDBoundary | SCANFLAG_RightAlign |
SCANFLAG_StillModule | SCANDEF_Adf | SCANDEF_ContinuousScan);
if( !(SCANDEF_QualityScan & si->ImgDef.dwFlag)) {
DBG( _DBG_INFO, "* Preview Mode set!\n" );
} else {
DBG( _DBG_INFO, "* Preview Mode NOT set!\n" );
dev->scanning.dwFlag |= SCANDEF_QualityScan;
}
dev->scanning.sParam.brightness = si->siBrightness;
dev->scanning.sParam.contrast = si->siContrast;
if( dev->scanning.sParam.bBitDepth <= 8 )
dev->scanning.dwFlag &= ~SCANFLAG_RightAlign;
if( dev->scanning.dwFlag & SCANFLAG_DWORDBoundary ) {
if( dev->scanning.fGrayFromColor && dev->scanning.fGrayFromColor < 10)
dev->scanning.dwBytesLine = (dev->scanning.sParam.Size.dwBytes / 3 + 3) & 0xfffffffcUL;
else
dev->scanning.dwBytesLine = (dev->scanning.sParam.Size.dwBytes + 3UL) & 0xfffffffcUL;
} else {
if( dev->scanning.fGrayFromColor && dev->scanning.fGrayFromColor < 10)
dev->scanning.dwBytesLine = dev->scanning.sParam.Size.dwBytes / 3;
else
dev->scanning.dwBytesLine = dev->scanning.sParam.Size.dwBytes;
}
/* on CIS based devices we have to reconfigure the illumination
* settings for the gray modes
*/
usb_AdjustCISLampSettings( dev, SANE_TRUE );
if( dev->scanning.dwFlag & SCANFLAG_BottomUp)
dev->scanning.lBufAdjust = -(long)dev->scanning.dwBytesLine;
else
dev->scanning.lBufAdjust = dev->scanning.dwBytesLine;
/* LM9831 has a BUG in 16-bit mode,
* so we generate pseudo 16-bit data from 8-bit
*/
if( dev->scanning.sParam.bBitDepth > 8 ) {
if( _LM9831 == dev->usbDev.HwSetting.chip ) {
dev->scanning.sParam.bBitDepth = 8;
dev->scanning.dwFlag |= SCANFLAG_Pseudo48;
dev->scanning.sParam.Size.dwBytes >>= 1;
}
}
/* Source selection */
if( dev->scanning.sParam.bSource == SOURCE_Reflection ) {
dev->usbDev.pSource = &dev->usbDev.Caps.Normal;
dev->scanning.sParam.Origin.x += dev->usbDev.pSource->DataOrigin.x +
(u_long)dev->usbDev.Normal.lLeft;
dev->scanning.sParam.Origin.y += dev->usbDev.pSource->DataOrigin.y +
(u_long)dev->usbDev.Normal.lUp;
} else if( dev->scanning.sParam.bSource == SOURCE_Transparency ) {
dev->usbDev.pSource = &dev->usbDev.Caps.Positive;
dev->scanning.sParam.Origin.x += dev->usbDev.pSource->DataOrigin.x +
(u_long)dev->usbDev.Positive.lLeft;
dev->scanning.sParam.Origin.y += dev->usbDev.pSource->DataOrigin.y +
(u_long)dev->usbDev.Positive.lUp;
} else if( dev->scanning.sParam.bSource == SOURCE_Negative ) {
dev->usbDev.pSource = &dev->usbDev.Caps.Negative;
dev->scanning.sParam.Origin.x += dev->usbDev.pSource->DataOrigin.x +
(u_long)dev->usbDev.Negative.lLeft;
dev->scanning.sParam.Origin.y += dev->usbDev.pSource->DataOrigin.y +
(u_long)dev->usbDev.Negative.lUp;
} else {
dev->usbDev.pSource = &dev->usbDev.Caps.Adf;
dev->scanning.sParam.Origin.x += dev->usbDev.pSource->DataOrigin.x +
(u_long)dev->usbDev.Normal.lLeft;
dev->scanning.sParam.Origin.y += dev->usbDev.pSource->DataOrigin.y +
(u_long)dev->usbDev.Normal.lUp;
}
if( dev->scanning.sParam.bSource == SOURCE_ADF ) {
if( dev->scanning.dwFlag & SCANDEF_ContinuousScan )
dev->usbDev.fLastScanIsAdf = SANE_TRUE;
else
dev->usbDev.fLastScanIsAdf = SANE_FALSE;
}
return 0;
}
/**
*/
static int usbDev_stopScan( Plustek_Device *dev )
{
DBG( _DBG_INFO, "usbDev_stopScan()\n" );
/* in cancel-mode we first stop the motor */
usb_ScanEnd( dev );
dev->scanning.dwFlag = 0;
if( NULL != dev->scanning.pScanBuffer ) {
free( dev->scanning.pScanBuffer );
dev->scanning.pScanBuffer = NULL;
usb_StartLampTimer( dev );
}
return 0;
}
/**
*/
static int usbDev_startScan( Plustek_Device *dev )
{
ScanDef *scan = &dev->scanning;
DBG( _DBG_INFO, "usbDev_startScan()\n" );
/* HEINER: Preview currently not working correctly */
#if 0
if( scan->dwFlag & SCANDEF_QualityScan )
dev->usbDev.a_bRegs[0x0a] = 0;
else
dev->usbDev.a_bRegs[0x0a] = 1;
#endif
dev->usbDev.a_bRegs[0x0a] = 0;
if((scan->dwFlag & SCANDEF_Adf) && (scan->dwFlag & SCANDEF_ContinuousScan)) {
scan->fCalibrated = SANE_TRUE;
} else {
scan->fCalibrated = SANE_FALSE;
}
scan->sParam.PhyDpi.x = usb_SetAsicDpiX(dev,scan->sParam.UserDpi.x);
scan->sParam.PhyDpi.y = usb_SetAsicDpiY(dev,scan->sParam.UserDpi.y);
/* Allocate shading/scan buffer */
scan->pScanBuffer = (u_char*)malloc( _SCANBUF_SIZE );
if( scan->pScanBuffer == NULL )
return _E_ALLOC;
scan->dwFlag |= SCANFLAG_StartScan;
usb_LampOn( dev, SANE_TRUE, SANE_TRUE );
m_fStart = m_fFirst = SANE_TRUE;
m_fAutoPark = (scan->dwFlag&SCANFLAG_StillModule)?SANE_FALSE:SANE_TRUE;
usb_StopLampTimer( dev );
return 0;
}
/**
* do the reading stuff here...
* first we perform the calibration step, and then we read the image
* line for line
*/
static int usbDev_Prepare( Plustek_Device *dev, SANE_Byte *buf )
{
int result;
SANE_Bool use_alt_cal = SANE_FALSE;
ScanDef *scan = &dev->scanning;
DCapsDef *scaps = &dev->usbDev.Caps;
HWDef *hw = &dev->usbDev.HwSetting;
DBG( _DBG_INFO, "usbDev_PrepareScan()\n" );
/* check the current position of the sensor and move it back
* to it's home position if necessary...
*/
usb_ModuleStatus( dev );
/* the CanoScan CIS devices need special handling... */
if((dev->usbDev.vendor == 0x04A9) &&
(dev->usbDev.product==0x2206 || dev->usbDev.product==0x2207 ||
dev->usbDev.product==0x220D || dev->usbDev.product==0x220E)) {
use_alt_cal = SANE_TRUE;
} else {
if( dev->adj.altCalibrate )
use_alt_cal = SANE_TRUE;
}
/* for the skip functionality use the "old" calibration functions */
if( dev->usbDev.Caps.workaroundFlag & _WAF_BYPASS_CALIBRATION ) {
use_alt_cal = SANE_FALSE;
}
if( use_alt_cal ) {
result = cano_DoCalibration( dev );
} else {
result = usb_DoCalibration( dev );
}
if( SANE_TRUE != result ) {
DBG( _DBG_ERROR, "calibration failed!!!\n" );
return result;
}
if( dev->adj.cacheCalData )
usb_SaveCalData( dev );
DBG( _DBG_INFO, "calibration done.\n" );
if( !( scan->dwFlag & SCANFLAG_Scanning )) {
usleep( 10 * 1000 );
if( !usb_SetScanParameters( dev, &scan->sParam )) {
DBG( _DBG_ERROR, "Setting Scan Parameters failed!\n" );
return 0;
}
/* if we bypass the calibration step, we wait on lamp warmup here...
*/
if( scaps->workaroundFlag & _WAF_BYPASS_CALIBRATION ) {
if( !usb_Wait4Warmup( dev )) {
DBG( _DBG_INFO, "usbDev_Prepare() - Cancel detected...\n" );
return 0;
}
}
scan->pbScanBufBegin = scan->pScanBuffer;
if((dev->caps.dwFlag & SFLAG_ADF) && (scaps->OpticDpi.x == 600))
scan->dwLinesScanBuf = 8;
else
scan->dwLinesScanBuf = 32;
scan->dwBytesScanBuf = scan->dwLinesScanBuf *
scan->sParam.Size.dwPhyBytes;
scan->dwNumberOfScanBufs = _SCANBUF_SIZE / scan->dwBytesScanBuf;
scan->dwLinesPerScanBufs = scan->dwNumberOfScanBufs *
scan->dwLinesScanBuf;
scan->pbScanBufEnd = scan->pbScanBufBegin +
scan->dwLinesPerScanBufs *
scan->sParam.Size.dwPhyBytes;
scan->dwRedShift = 0;
scan->dwBlueShift = 0;
scan->dwGreenShift = 0;
/* CCD scanner */
if( scan->sParam.bChannels == 3 ) {
scan->dwLinesDiscard = (u_long)scaps->bSensorDistance *
scan->sParam.PhyDpi.y / scaps->OpticDpi.y;
switch( scaps->bSensorOrder ) {
case SENSORORDER_rgb:
scan->Red.pb = scan->pbScanBufBegin;
scan->Green.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes;
scan->Blue.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes * 2UL;
break;
case SENSORORDER_rbg:
scan->Red.pb = scan->pbScanBufBegin;
scan->Blue.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes;
scan->Green.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes * 2UL;
break;
case SENSORORDER_gbr:
scan->Green.pb = scan->pbScanBufBegin;
scan->Blue.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes;
scan->Red.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes * 2UL;
break;
case SENSORORDER_grb:
scan->Green.pb = scan->pbScanBufBegin;
scan->Red.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes;
scan->Blue.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes * 2UL;
break;
case SENSORORDER_brg:
scan->Blue.pb = scan->pbScanBufBegin;
scan->Red.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes;
scan->Green.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes * 2UL;
break;
case SENSORORDER_bgr:
scan->Blue.pb = scan->pbScanBufBegin;
scan->Green.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes;
scan->Red.pb = scan->pbScanBufBegin + scan->dwLinesDiscard *
scan->sParam.Size.dwPhyBytes * 2UL;
}
/* double it for last channel */
scan->dwLinesDiscard <<= 1;
scan->dwGreenShift = (7UL+scan->sParam.bBitDepth) >> 3;
scan->Green.pb += scan->dwGreenShift;
scan->Blue.pb += (scan->dwGreenShift * 2);
if( scan->dwFlag & SCANFLAG_bgr) {
u_char *pb = scan->Blue.pb;
scan->Blue.pb = scan->Red.pb;
scan->Red.pb = pb;
scan->dwBlueShift = 0;
scan->dwRedShift = scan->dwGreenShift << 1;
} else {
scan->dwRedShift = 0;
scan->dwBlueShift = scan->dwGreenShift << 1;
}
} else {
/* this might be a simple gray operation or AFE 1 channel op */
scan->dwLinesDiscard = 0;
scan->Green.pb = scan->pbScanBufBegin;
if(( scan->sParam.bDataType == SCANDATATYPE_Color ) &&
( hw->bReg_0x26 & _ONE_CH_COLOR )) {
u_long len = scan->sParam.Size.dwPhyBytes / 3;
scan->Red.pb = scan->pbScanBufBegin;
scan->Green.pb = scan->pbScanBufBegin + len;
scan->Blue.pb = scan->pbScanBufBegin + len * 2UL;
}
}
/* set a funtion to process the RAW data... */
usb_GetImageProc( dev );
scan->bLinesToSkip = (u_char)(scan->sParam.PhyDpi.y / 50);
if( scan->sParam.bSource == SOURCE_ADF )
scan->dwFlag |= SCANFLAG_StillModule;
DBG( _DBG_INFO, "* scan->dwFlag=0x%08lx\n", scan->dwFlag );
if( !usb_ScanBegin( dev,
(scan->dwFlag&SCANFLAG_StillModule) ? SANE_FALSE:SANE_TRUE)) {
return _E_INTERNAL;
}
scan->dwFlag |= SCANFLAG_Scanning;
if( scan->sParam.UserDpi.y != scan->sParam.PhyDpi.y ) {
if( scan->sParam.UserDpi.y < scan->sParam.PhyDpi.y ) {
scan->wSumY = scan->sParam.PhyDpi.y - scan->sParam.UserDpi.y;
scan->dwFlag |= SCANFLAG_SampleY;
DBG( _DBG_INFO, "SampleY Flag set (%u != %u, wSumY=%u)\n",
scan->sParam.UserDpi.y, scan->sParam.PhyDpi.y, scan->wSumY );
}
}
}
dumpPicInit( &scan->sParam, "plustek-pic.raw" );
/* here the NT driver uses an extra reading thread...
* as the SANE stuff already forked the driver to read data, I think
* we should only read data by using a function...
*/
scan->dwLinesUser = scan->sParam.Size.dwLines;
if( !scan->dwLinesUser )
return _E_BUFFER_TOO_SMALL;
if( scan->sParam.Size.dwLines < scan->dwLinesUser )
scan->dwLinesUser = scan->sParam.Size.dwLines;
scan->sParam.Size.dwLines -= scan->dwLinesUser;
if( scan->dwFlag & SCANFLAG_BottomUp )
scan->UserBuf.pb = buf + (scan->dwLinesUser - 1) * scan->dwBytesLine;
else
scan->UserBuf.pb = buf;
DBG(_DBG_INFO,"Reading the data now!\n" );
DBG(_DBG_INFO,"PhyDpi.x = %u\n", scan->sParam.PhyDpi.x );
DBG(_DBG_INFO,"PhyDpi.y = %u\n", scan->sParam.PhyDpi.y );
DBG(_DBG_INFO,"UserDpi.x = %u\n", scan->sParam.UserDpi.x );
DBG(_DBG_INFO,"UserDpi.y = %u\n", scan->sParam.UserDpi.y );
DBG(_DBG_INFO,"NumberOfScanBufs = %lu\n",scan->dwNumberOfScanBufs);
DBG(_DBG_INFO,"LinesPerScanBufs = %lu\n",scan->dwLinesPerScanBufs);
DBG(_DBG_INFO,"dwPhyBytes = %lu\n",scan->sParam.Size.dwPhyBytes);
DBG(_DBG_INFO,"dwPhyPixels = %lu\n",scan->sParam.Size.dwPhyPixels);
DBG(_DBG_INFO,"dwTotalBytes = %lu\n",scan->sParam.Size.dwTotalBytes);
DBG(_DBG_INFO,"dwPixels = %lu\n",scan->sParam.Size.dwPixels);
DBG(_DBG_INFO,"dwBytes = %lu\n",scan->sParam.Size.dwBytes);
DBG(_DBG_INFO,"dwValidPixels = %lu\n",scan->sParam.Size.dwValidPixels);
DBG(_DBG_INFO,"dwBytesScanBuf = %lu\n",scan->dwBytesScanBuf );
DBG(_DBG_INFO,"dwLinesDiscard = %lu\n",scan->dwLinesDiscard );
DBG(_DBG_INFO,"dwLinesToSkip = %u\n", scan->bLinesToSkip );
DBG(_DBG_INFO,"dwLinesUser = %lu\n",scan->dwLinesUser );
DBG(_DBG_INFO,"dwBytesLine = %lu\n",scan->dwBytesLine );
scan->pbGetDataBuf = scan->pbScanBufBegin;
scan->dwLinesToProcess = usb_ReadData( dev );
if( 0 == scan->dwLinesToProcess )
return _E_DATAREAD;
return 0;
}
/** as the name says, read one line...
*/
static int usbDev_ReadLine( Plustek_Device *dev )
{
int wrap;
u_long cur;
ScanDef *scan = &dev->scanning;
HWDef *hw = &dev->usbDev.HwSetting;
cur = scan->dwLinesUser;
/* we stay within this sample loop until one line has been processed for
* the user...
*/
while( cur == scan->dwLinesUser ) {
if( usb_IsEscPressed()) {
DBG( _DBG_INFO, "readLine() - Cancel detected...\n" );
return _E_ABORT;
}
if( !(scan->dwFlag & SCANFLAG_SampleY)) {
scan->pfnProcess( dev );
/* Adjust user buffer pointer */
scan->UserBuf.pb += scan->lBufAdjust;
scan->dwLinesUser--;
} else {
scan->wSumY += scan->sParam.UserDpi.y;
if( scan->wSumY >= scan->sParam.PhyDpi.y ) {
scan->wSumY -= scan->sParam.PhyDpi.y;
scan->pfnProcess( dev );
/* Adjust user buffer pointer */
scan->UserBuf.pb += scan->lBufAdjust;
scan->dwLinesUser--;
}
}
/* Adjust get buffer pointers */
wrap = 0;
if( scan->sParam.bDataType == SCANDATATYPE_Color ) {
scan->Red.pb += scan->sParam.Size.dwPhyBytes;
if( scan->Red.pb >= scan->pbScanBufEnd ) {
scan->Red.pb = scan->pbScanBufBegin + scan->dwRedShift;
wrap = 1;
}
scan->Green.pb += scan->sParam.Size.dwPhyBytes;
if( scan->Green.pb >= scan->pbScanBufEnd ) {
scan->Green.pb = scan->pbScanBufBegin + scan->dwGreenShift;
wrap = 1;
}
scan->Blue.pb += scan->sParam.Size.dwPhyBytes;
if( scan->Blue.pb >= scan->pbScanBufEnd ) {
scan->Blue.pb = scan->pbScanBufBegin + scan->dwBlueShift;
wrap = 1;
}
} else {
scan->Green.pb += scan->sParam.Size.dwPhyBytes;
if( scan->Green.pb >= scan->pbScanBufEnd )
scan->Green.pb = scan->pbScanBufBegin + scan->dwGreenShift;
}
/* on any wrap-around of the get pointers in one channel mode
* we have to reset them
*/
if( wrap ) {
u_long len = scan->sParam.Size.dwPhyBytes;
if( hw->bReg_0x26 & _ONE_CH_COLOR ) {
if(scan->sParam.bDataType == SCANDATATYPE_Color) {
len /= 3;
}
scan->Red.pb = scan->pbScanBufBegin;
scan->Green.pb = scan->pbScanBufBegin + len;
scan->Blue.pb = scan->pbScanBufBegin + len * 2UL;
}
}
/* line processed, check if we have to get more...
*/
scan->dwLinesToProcess--;
if( 0 == scan->dwLinesToProcess ) {
scan->dwLinesToProcess = usb_ReadData( dev );
if( 0 == scan->dwLinesToProcess ) {
if( usb_IsEscPressed())
return _E_ABORT;
}
}
}
return 0;
}
/* END PLUSTEK-USB.C ........................................................*/
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