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-rw-r--r--backend/hp5400_internal.c1455
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diff --git a/backend/hp5400_internal.c b/backend/hp5400_internal.c
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+/* sane - Scanner Access Now Easy.
+ Copyright (C) 2003 Martijn van Oosterhout <kleptog@svana.org>
+ Copyright (C) 2003 Thomas Soumarmon <thomas.soumarmon@cogitae.net>
+ Copyright (c) 2003 Henning Meier-Geinitz, <henning@meier-geinitz.de>
+
+ Originally copied from HP3300 testtools. Original notice follows:
+
+ Copyright (C) 2001 Bertrik Sikken (bertrik@zonnet.nl)
+
+ 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.
+
+ HP5400/5470 Test util.
+ Currently is only able to read back the scanner version string,
+ but this basically demonstrates ability to communicate with the scanner.
+
+ Massively expanded. Can do calibration scan, upload gamma and calibration
+ tables and stores the results of a scan. - 19/02/2003 Martijn
+*/
+
+#include <stdio.h> /* for printf */
+#include <stdlib.h> /* for exit */
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <math.h>
+#include <netinet/in.h> /* for htons */
+#include <string.h>
+
+
+#include "hp5400.h"
+#include "hp5400_xfer.h"
+#include "hp5400_internal.h"
+#include "hp5400_debug.h" /* debug functions */
+
+
+#ifndef min
+#define min(A,B) (((A)<(B)) ? (A) : (B))
+#endif
+#ifndef max
+#define max(A,B) (((A)>(B)) ? (A) : (B))
+#endif
+
+
+#ifndef STRING_VERSION_MATCH
+#define NO_STRING_VERSION_MATCH 1
+#endif
+
+#ifdef __GNUC__
+#define PACKED __attribute__ ((packed))
+#else
+#define PACKED
+#endif
+
+/* If this is enabled, a copy of the raw data from the scanner will be saved to
+ imagedebug.dat and the attempted conversion to imagedebug.ppm */
+/* #define IMAGE_DEBUG */
+
+/* If this is defined you get extra info on the calibration */
+/* #define CALIB_DEBUG */
+
+
+typedef struct versionString {
+ char strVersion[128];
+} versionString;
+
+const int numVersions = 3;
+versionString *MatchVersions;
+
+
+static TScannerModel Model_HP54xx =
+ { "Hewlett-Packard", "HP54xx Flatbed Scanner" };
+
+
+HP5400_SANE_STATIC
+int
+InitHp5400_internal() {
+
+ MatchVersions = malloc( sizeof(versionString) * numVersions );
+ strcpy( MatchVersions[0].strVersion, "SilitekIBlizd C3 ScannerV0.84");
+ strcpy( MatchVersions[1].strVersion, "SilitekIBlizd C3 ScannerV0.86");
+ strcpy( MatchVersions[2].strVersion, "SilitekIBlizd C3 ScannerV0.87");
+
+ return 1;
+}
+
+HP5400_SANE_STATIC
+int
+FreeHp5400_internal() {
+
+ free(MatchVersions);
+ MatchVersions = NULL;
+
+ return 1;
+}
+
+
+HP5400_SANE_STATIC
+int
+WriteByte (int iHandle, int cmd, char data)
+{
+ if (hp5400_command_write (iHandle, cmd, 1, &data) < 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to send byte (cmd=%04X)\n", cmd);
+ return -1;
+ }
+ return 0;
+}
+
+HP5400_SANE_STATIC
+int
+SetLamp (THWParams * pHWParams, int fLampOn)
+{
+ if (fLampOn)
+ {
+ if (WriteByte (pHWParams->iXferHandle, 0x0000, 0x01) == 0)
+ return 0;
+ }
+ return -1;
+}
+
+HP5400_SANE_STATIC
+int
+WarmupLamp (int iHandle)
+{
+ int i = 30; /* Max 30 seconds, 15 is typical for cold start? */
+ int couldRead;
+ unsigned char dataVerify[0x02];
+
+ /* Keep writing 01 to 0000 until no error... */
+ unsigned char data0000[] = {
+ 0x01
+ };
+ unsigned char data0300[3];
+
+
+ hp5400_command_write_noverify (iHandle, 0x0000, data0000, 1);
+
+ do
+ {
+ hp5400_command_read_noverify (iHandle, 0x0300, 3, data0300);
+
+ hp5400_command_write_noverify (iHandle, 0x0000, data0000, 1);
+
+ couldRead =
+ hp5400_command_read_noverify (iHandle, 0xc500, 0x02, dataVerify);
+ if ((dataVerify[0] != 0) || (dataVerify[1] != 0))
+ sleep (1);
+ }
+ while ((i-- > 0) && (couldRead >= 0)
+ && ((dataVerify[0] != 0) || (dataVerify[1] != 0)));
+
+ if (i > 0)
+ return 0;
+
+ /*
+
+ while( i > 0 )
+ {
+ if( WriteByte( iHandle, 0x0000, 0x01 ) == 0 )
+ return 0;
+ sleep(1);
+ i--;
+ }
+ */
+
+ HP5400_DBG (DBG_MSG, "***WARNING*** Warmup lamp failed...\n");
+ return -1;
+}
+
+#define CALPIXBYBLOCK 42
+
+HP5400_SANE_STATIC
+int
+SetCalibration (int iHandle, int numPixels, unsigned int *low_vals[3],
+ unsigned int *high_vals[3], int dpi)
+{
+ char cmd[8];
+ /* unsigned char cmd[8]; */ /* should fix the compilation warning
+ but I don't have a scanner right now
+ to check that the fix does not break
+ calibration */
+
+ int i, j, k;
+ struct CalPixel
+ {
+ char highr[2], highg[2], highb[2];
+ char lowr[2], lowg[2], lowb[2];
+ };
+ struct CalBlock
+ {
+ struct CalPixel pixels[CALPIXBYBLOCK];
+ char pad[8];
+ }
+ PACKED;
+
+ struct CalBlock *calinfo;
+
+ /**
+ we did scan test at 300 dpi, so we don't have all the needed pixels.
+ To fill the gap, we loop
+ */
+ int numLoop = max (1, dpi / 300);
+ int calBlockSize = CALPIXBYBLOCK * (6 * sizeof (short)) + 8 * sizeof (char); /* = sizeof(calBlock) */
+ int numCalBlock =
+ ((numPixels / CALPIXBYBLOCK) +
+ ((numPixels % CALPIXBYBLOCK != 0) ? 1 : 0));
+ int calSize = numLoop * calBlockSize * numCalBlock;
+
+ calinfo = malloc (calSize);
+ memset (calinfo, 0, calSize);
+
+ for (j = 0; j < numLoop * numCalBlock * CALPIXBYBLOCK; j++)
+ {
+ struct CalPixel *pixel =
+ &calinfo[j / CALPIXBYBLOCK].pixels[j % CALPIXBYBLOCK];
+
+ /*
+ i = ( j % (int)( 0.80 * numPixels ) ) + (int)(0.10 * numPixels );
+ */
+ /* better solution : stretch the actual scan size to the calibration size */
+ i = j / numLoop;
+
+ /* This is obviously not quite right. The values on
+ * the right are approximatly what windows sends */
+ k = (high_vals[0][i] > 0x4000) ? 1000000000 / high_vals[0][i] : 0; /* 0x6700 */
+ pixel->highr[0] = k;
+ pixel->highr[1] = k >> 8;
+ k = (high_vals[1][i] > 0x4000) ? 1000000000 / high_vals[1][i] : 0; /* 0x5e00 */
+ pixel->highg[0] = k;
+ pixel->highg[1] = k >> 8;
+ k = (high_vals[2][i] > 0x4000) ? 1000000000 / high_vals[2][i] : 0; /* 0x6000 */
+ pixel->highb[0] = k;
+ pixel->highb[1] = k >> 8;
+
+ pixel->lowr[0] = low_vals[0][i]; /* 0x0530 */
+ pixel->lowr[1] = low_vals[0][i] >> 8;
+ pixel->lowg[0] = low_vals[1][i]; /* 0x0530 */
+ pixel->lowg[1] = low_vals[1][i] >> 8;
+ pixel->lowb[0] = low_vals[2][i]; /* 0x0530 */
+ pixel->lowb[1] = low_vals[2][i] >> 8;
+ }
+
+ cmd[0] = 0xff & (calSize >> 16);
+ cmd[1] = 0xff & (calSize >> 8);
+ cmd[2] = 0xff & (calSize >> 0);
+ cmd[3] = 0x00;
+ cmd[4] = 0x54;
+ cmd[5] = 0x02;
+ cmd[6] = 0x80;
+ cmd[7] = 0x00;
+
+ hp5400_bulk_command_write (iHandle, 0xE603, cmd, 8, calSize, calSize,
+ (void *) calinfo);
+
+ free (calinfo);
+ return 0;
+}
+
+/* Write a gamma table */
+HP5400_SANE_STATIC
+void
+WriteGammaCalibTable (int iHandle, const int *pabGammaR, const int *pabGammaG,
+ const int *pabGammaB)
+{
+ char cmd[3];
+ char *buffer;
+ int i, j;
+
+ /* Setup dummy gamma correction table */
+ buffer = malloc (2 * 65536);
+
+ cmd[0] = 2;
+ cmd[1] = 0;
+ cmd[2] = 0;
+
+ for (i = 0; i < 3; i++)
+ {
+ const int *ptr = (i == 0) ? pabGammaR :
+ (i == 1) ? pabGammaG : pabGammaB;
+
+ for (j = 0; j < 65536; j++) {
+ buffer[2 * j] = ptr[j];
+ buffer[2 * j + 1] = ptr[j] >> 8;
+ }
+
+ hp5400_bulk_command_write (iHandle, 0x2A01 + i, cmd, 3, 2 * 65536,
+ 65536, (void *) buffer);
+ }
+ free (buffer);
+
+ return;
+}
+
+#ifdef STANDALONE
+HP5400_SANE_STATIC
+void
+SetDefaultGamma (int iHandle)
+{
+ int *buffer = malloc (sizeof (int) * 65536);
+ int i;
+
+ for (i = 0; i < 65336; i++)
+ buffer[i] = i;
+
+ WriteGammaCalibTable (iHandle, buffer, buffer, buffer);
+}
+#endif
+
+#define BUFFER_SIZE (6*65536)
+
+#ifdef IMAGE_DEBUG
+FILE *temp;
+#endif
+
+/* Bytes per line is the number of pixels. The actual bytes is one more */
+HP5400_SANE_STATIC
+void
+CircBufferInit (int iHandle, TDataPipe * p, int iBytesPerLine,
+ int bpp, int iMisAlignment, int blksize, int iTransferSize)
+{
+ iHandle = iHandle; /* to avoid compilation warning */
+ p->buffersize = max (BUFFER_SIZE, 3 * blksize);
+
+ if (p->buffer)
+ {
+ free (p->buffer);
+ }
+
+ /* Allocate a large enough buffer for transfer */
+ p->buffer = malloc (p->buffersize);
+
+ p->pixels = (iBytesPerLine / 3) / bpp;
+
+ /* These three must always be positive */
+ p->roff = 0;
+ p->goff = p->pixels * bpp + 1;
+ p->boff = 2 * p->pixels * bpp + 2;;
+
+ p->linelength = iBytesPerLine + 3; /* NUL at end of each row */
+ p->bpp = bpp;
+ p->bufstart = p->bufend = 0;
+
+ if (iMisAlignment > 0)
+ {
+ p->roff += 0;
+ p->goff += p->linelength * iMisAlignment;
+ p->boff += p->linelength * iMisAlignment * 2;
+ }
+
+ if (iMisAlignment < 0)
+ {
+ p->roff -= p->linelength * iMisAlignment * 2;
+ p->goff -= p->linelength * iMisAlignment;
+ p->boff -= 0;
+ }
+
+ p->blksize = blksize;
+ p->transfersize = iTransferSize;
+
+#ifdef IMAGE_DEBUG
+ temp = fopen ("imagedebug.dat", "w+b");
+#endif
+
+ HP5400_DBG (DBG_MSG,
+ "Begin: line=%d (%X), pixels=%d (%X), r=%d (%X), g=%d (%X), b=%d (%X), bpp=%d, step=%d\n",
+ p->linelength, p->linelength, p->pixels, p->pixels, p->roff, p->roff,
+ p->goff, p->goff, p->boff, p->boff, bpp, iMisAlignment);
+}
+
+
+HP5400_SANE_STATIC
+int
+CircBufferGetLine (int iHandle, TDataPipe * p, void *pabLine)
+{
+ int i;
+ int maxoff = 0;
+ char* buftmp = (char*) (p->buffer);
+
+/* HP5400_DBG(DBG_MSG, "CircBufferGetLine:\n"); */
+
+ if (p->roff > maxoff)
+ maxoff = p->roff;
+ if (p->goff > maxoff)
+ maxoff = p->goff;
+ if (p->boff > maxoff)
+ maxoff = p->boff;
+
+ maxoff += p->pixels * p->bpp;
+
+ if (maxoff < p->linelength)
+ maxoff = p->linelength;
+
+
+ /* resize buffer if needed */
+ if (p->bufstart + maxoff >= p->buffersize + p->blksize)
+ {
+ /* store actual buffer pointer */
+ void *tmpBuf = p->buffer;
+ /* calculate new size for buffer (oversize a bit) */
+ int newsize = p->bufstart + maxoff + 2 * p->blksize;
+
+ p->buffer = malloc (newsize);
+ memcpy (p->buffer, tmpBuf, p->buffersize);
+ p->buffersize = newsize;
+
+ /* free old buffer */
+ free (tmpBuf);
+ buftmp = (char*)(p->buffer);
+ }
+
+ while (p->bufstart + maxoff >= p->bufend) /* Not enough data in buffer */
+ {
+ int res;
+ unsigned char cmd[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+ cmd[4] = p->blksize;
+ cmd[5] = p->blksize >> 8;
+
+ assert ((p->bufend + p->blksize) <= p->buffersize);
+
+ HP5400_DBG (DBG_MSG, "Reading block, %d bytes remain\n", p->transfersize);
+ p->transfersize -= p->blksize;
+
+ res =
+ hp5400_bulk_read_block (iHandle, CMD_INITBULK3, cmd, sizeof (cmd),
+ buftmp + p->bufend, p->blksize);
+ if (res != p->blksize)
+ {
+ HP5400_DBG (DBG_ERR, "*** ERROR: Read returned %d. FATAL.\n", res);
+ return -1;
+ }
+#ifdef IMAGE_DEBUG
+ fwrite (
+ buftmp + p->bufend
+ ,p->blksize
+ ,1
+ ,temp
+ );
+#endif
+ p->bufend += p->blksize;
+ }
+
+ assert (p->bufstart + maxoff < p->bufend);
+
+ /* Copy a line into the result buffer */
+ if (p->bpp == 1)
+ {
+ char *itPix = (char *) pabLine;
+ char *itR = (char *) (buftmp + p->bufstart + p->roff);
+ char *itG = (char *) (buftmp + p->bufstart + p->goff);
+ char *itB = (char *) (buftmp + p->bufstart + p->boff);
+ for (i = 0; i < p->pixels; i++)
+ {
+ /* pointer move goes a little bit faster than vector access */
+ /* Although I wouldn't be surprised if the compiler worked that out anyway.
+ * No matter, this is easier to read :) */
+ *(itPix++) = *(itR++);
+ *(itPix++) = *(itG++);
+ *(itPix++) = *(itB++);
+ }
+ }
+ else
+ {
+ short *itPix = (short *) pabLine;
+ short *itR = (short *) (buftmp + p->bufstart + p->roff);
+ short *itG = (short *) (buftmp + p->bufstart + p->goff);
+ short *itB = (short *) (buftmp + p->bufstart + p->boff);
+ for (i = 0; i < p->pixels; i++)
+ {
+#if 0
+ /* This code, while correct for PBM is not correct for the host and
+ * since we need it correct for calibration, it has to go */
+ ((short *) pabLine)[3 * i + 0] =
+ *((short *) (p->buffer + p->bufstart + p->roff + 2 * i));
+ ((short *) pabLine)[3 * i + 1] =
+ *((short *) (p->buffer + p->bufstart + p->goff + 2 * i));
+ ((short *) pabLine)[3 * i + 2] =
+ *((short *) (p->buffer + p->bufstart + p->boff + 2 * i));
+#else
+ /* pointer move goes a little bit faster than vector access */
+ *(itPix++) = htons (*(itR++));
+ *(itPix++) = htons (*(itG++));
+ *(itPix++) = htons (*(itB++));
+#endif
+ }
+ }
+
+ p->bufstart += p->linelength;
+
+ assert (p->bufstart <= p->bufend);
+
+ /* If we've used a whole block at the beginning, move it */
+ if (p->bufstart > p->blksize)
+ {
+ memmove (
+ buftmp
+ ,buftmp + p->bufstart
+ ,p->bufend - p->bufstart
+ );
+
+ p->bufend -= p->bufstart;
+ p->bufstart = 0;
+ }
+
+ return 0;
+}
+
+HP5400_SANE_STATIC
+void
+CircBufferExit (TDataPipe * p)
+{
+ free (p->buffer);
+ p->buffer = NULL;
+#ifdef IMAGE_DEBUG
+ fclose (temp);
+ temp = NULL;
+#endif
+ return;
+}
+
+
+#ifdef STANDALONE
+/* bpp is BYTES per pixel */
+HP5400_SANE_STATIC
+void
+DecodeImage (FILE * file, int planes, int bpp, int xsize, int ysize,
+ const char *filename)
+{
+ char *in, *buf;
+ char *p[3];
+ FILE *output;
+ int i, j, k;
+
+ /* xsize is byte width, not pixel width */
+ xsize /= planes * bpp;
+
+ HP5400_DBG (DBG_MSG,
+ "DecodeImage(planes=%d,bpp=%d,xsize=%d,ysize=%d) => %d (file=%s)\n",
+ planes, bpp, xsize, ysize, planes * bpp * xsize * ysize, filename);
+
+ in = malloc (planes * (xsize * bpp + 1));
+
+ for (i = 0; i < planes; i++)
+ p[i] = in + i * (xsize * bpp + 1);
+
+ buf = malloc (3 * xsize * bpp);
+
+ output = fopen (filename, "wb");
+
+ fprintf (output, "P%d\n%d %d\n", (planes == 3) ? 6 : 5, xsize, ysize);
+ fprintf (output, "%d\n", (bpp == 1) ? 255 : 0xb000);
+
+ for (i = 0; i < ysize; i++)
+ {
+ fread (in, planes * (xsize * bpp + 1), 1, file);
+
+ for (j = 0; j < xsize; j++)
+ {
+ for (k = 0; k < planes; k++)
+ {
+ if (bpp == 1)
+ {
+ buf[j * planes + k] = p[k][j];
+ }
+ else if (bpp == 2)
+ {
+ buf[j * planes * 2 + k * 2 + 0] = p[k][2 * j + 0];
+ buf[j * planes * 2 + k * 2 + 1] = p[k][2 * j + 1];
+ }
+ }
+ }
+ fwrite (buf, planes * xsize * bpp, 1, output);
+ }
+
+ fclose (output);
+
+ free (in);
+ free (buf);
+}
+
+HP5400_SANE_STATIC
+int
+hp5400_test_scan_response (struct ScanResponse *resp, struct ScanRequest *req)
+{
+ req = req; /* to avoid compilation warning */
+ HP5400_DBG (DBG_MSG, "Scan response:\n");
+ HP5400_DBG (DBG_MSG, " transfersize=%d htonl-> %d\n", resp->transfersize,
+ htonl (resp->transfersize));
+ HP5400_DBG (DBG_MSG, " xsize=%d htonl-> %d\n", resp->xsize,
+ htonl (resp->xsize));
+ HP5400_DBG (DBG_MSG, " ysize=%d htons-> %d\n", resp->ysize,
+ htons (resp->ysize));
+ return 1;
+}
+#endif
+
+/* This is a very specialised scanning function. It does the scan request as
+ * usual but instead of producing an image it returns three arrays of ints.
+ * These are averages of the R,G,B values for each column.
+ *
+ * Note the array argument should point to an array of three NULL. These
+ * will be overwritten with allocated pointers. */
+
+HP5400_SANE_STATIC
+int
+DoAverageScan (int iHandle, struct ScanRequest *req, int code,
+ unsigned int **array)
+{
+ THWParams HWParams;
+ struct ScanResponse res;
+ unsigned short *buffer;
+ int i, j, k, length;
+
+ memset (&HWParams, 0, sizeof (HWParams));
+
+ HWParams.iXferHandle = iHandle;
+
+ if (InitScan2 (SCAN_TYPE_CALIBRATION, req, &HWParams, &res, 0, code) != 0)
+ return -1; /* No colour offseting, we want raw */
+
+ length = htonl (res.xsize) / 6;
+
+ HP5400_DBG (DBG_MSG, "Calibration scan: %d pixels wide\n", length);
+
+ for (j = 0; j < 3; j++)
+ {
+ array[j] = malloc (sizeof (int) * length);
+ memset (array[j], 0, sizeof (int) * length); /* Clear array */
+ }
+
+ buffer = malloc (htonl (res.xsize) + 1);
+
+ /* First we just sum them all */
+ for (i = 0; i < htons (res.ysize); i++)
+ {
+ CircBufferGetLine (iHandle, &HWParams.pipe, buffer);
+
+ for (j = 0; j < length; j++)
+ for (k = 0; k < 3; k++)
+ array[k][j] += buffer[3 * j + k];
+ }
+
+ free (buffer);
+ FinishScan (&HWParams);
+
+ /* Now divide by the height to get the average */
+ for (j = 0; j < length; j++)
+ for (k = 0; k < 3; k++)
+ array[k][j] /= htons (res.ysize);
+
+ return 0;
+}
+
+#ifdef STANDALONE
+HP5400_SANE_STATIC
+int
+DoScan (int iHandle, struct ScanRequest *req, const char *filename, int code,
+ struct ScanResponse *res)
+{
+ FILE *file;
+ THWParams HWParams;
+ struct ScanResponse res_temp;
+ void *buffer;
+/* int bpp, planes; */
+ int i;
+
+ code = code; /*to avoid compilation warning*/
+
+ if (res == NULL)
+ res = &res_temp;
+
+ memset (&HWParams, 0, sizeof (HWParams));
+
+ file = fopen (filename, "w+b");
+ if (!file)
+ {
+ HP5400_DBG (DBG_MSG, "Couldn't open outputfile (%s)\n", strerror (errno));
+ return -1;
+ }
+
+ HWParams.iXferHandle = iHandle;
+
+ if (InitScan2 (SCAN_TYPE_NORMAL, req, &HWParams, res, 1, 0x40) != 0)
+ return -1;
+
+ fprintf (file, "P%d\n%d %d\n", 6, htonl (res->xsize) / 3,
+ htons (res->ysize));
+ fprintf (file, "%d\n", 255);
+
+ buffer = malloc (htonl (res->xsize) + 1);
+ for (i = 0; i < htons (res->ysize); i++)
+ {
+ CircBufferGetLine (iHandle, &HWParams.pipe, buffer);
+
+ fwrite (buffer, htonl (res->xsize), 1, file);
+ }
+ free (buffer);
+
+ FinishScan (&HWParams);
+
+ fclose (file);
+ return 0;
+}
+#endif
+
+HP5400_SANE_STATIC
+int
+Calibrate (int iHandle, int dpi)
+{
+ struct ScanRequest req;
+
+ unsigned int *low_array[3];
+ unsigned int *high_array[3];
+#ifdef CALIB_DEBUG
+ char buffer[512];
+ int i, j;
+#endif
+
+/* The first calibration scan. Finds maximum of each CCD */
+ memset(&req, 0, sizeof(req));
+
+ req.x1 = 0x08;
+ req.dpix = htons (300); /* = 300 dpi */
+ req.dpiy = htons (300); /* = 300 dpi */
+ req.offx = htons (0); /* = 0cm */
+ req.offy = htons (0); /* = 0cm */
+ req.lenx = htons (2690); /* = 22.78cm */
+ req.leny = htons (50); /* = 0.42cm */
+
+ req.flags1 = htons (0x0000);
+ req.flags2 = htons (0x0010);
+ req.flags3 = htons (0x3020); /* First calibration scan, 48bpp */
+
+ req.gamma[0] = htons (100);
+ req.gamma[1] = htons (100);
+ req.gamma[2] = htons (100);
+
+ if (DoAverageScan (iHandle, &req, 0x40, high_array) != 0)
+ return -1;
+
+#ifdef CALIB_DEBUG
+ for (i = 0; i < 3; i++)
+ {
+ int len;
+ buffer[0] = 0;
+ sprintf (buffer, "Average %d: \n", i);
+ len = strlen (buffer);
+
+ for (j = 0; j < 24; j++)
+ {
+ sprintf (buffer + len, "%04X ", high_array[i][j]);
+ len += 5;
+ }
+ strcat (buffer, " ... \n");
+ len += 6;
+
+ for (j = 1000; j < 1024; j++)
+ {
+ sprintf (buffer + len, "%04X ", high_array[i][j]);
+ len += 5;
+ }
+ strcat (buffer, " ... \n");
+ len += 6;
+
+ for (j = 2000; j < 2024; j++)
+ {
+ sprintf (buffer + len, "%04X ", high_array[i][j]);
+ len += 5;
+ }
+ strcat (buffer, " ... \n");
+ len += 6;
+
+ HP5400_DBG (DBG_MSG, buffer);
+ }
+#endif
+
+/* The second calibration scan. Finds minimum of each CCD */
+ memset(&req, 0, sizeof(req));
+
+ req.x1 = 0x08;
+ req.dpix = htons (300); /* = 300 dpi */
+ req.dpiy = htons (300); /* = 300 dpi */
+ req.offx = htons (0); /* = 0cm */
+ req.offy = htons (0); /* = 0cm */
+ req.lenx = htons (2690); /* = 22.78cm */
+ req.leny = htons (16); /* = 0.14cm */
+
+ req.flags1 = htons (0x0000);
+ req.flags2 = htons (0x0010);
+ req.flags3 = htons (0x3024); /* Second calibration scan, 48bpp */
+
+ req.gamma[0] = htons (100);
+ req.gamma[1] = htons (100);
+ req.gamma[2] = htons (100);
+
+ if (DoAverageScan (iHandle, &req, 0x00, low_array) != 0)
+ return -1;
+
+#ifdef CALIB_DEBUG
+ for (i = 0; i < 3; i++)
+ {
+ int len;
+ buffer[0] = 0;
+ sprintf (buffer, "Average %d: \n", i);
+ len = strlen (buffer);
+
+ for (j = 0; j < 24; j++)
+ {
+ sprintf (buffer + len, "%04X ", low_array[i][j]);
+ len += 5;
+ }
+ strcat (buffer, " ... \n");
+ len += 6;
+
+ for (j = 1000; j < 1024; j++)
+ {
+ sprintf (buffer + len, "%04X ", low_array[i][j]);
+ len += 5;
+ }
+ strcat (buffer, " ... \n");
+ len += 6;
+
+ for (j = 2000; j < 2024; j++)
+ {
+ sprintf (buffer + len, "%04X ", low_array[i][j]);
+ len += 5;
+ }
+ strcat (buffer, " ... \n");
+ len += 6;
+
+ HP5400_DBG (DBG_MSG, buffer);
+ }
+#endif
+
+ SetCalibration (iHandle, 2690, low_array, high_array, dpi);
+
+ return 0;
+}
+
+#ifdef STANDALONE
+HP5400_SANE_STATIC
+int
+hp5400_scan (int iHandle, TScanParams * params, THWParams * pHWParams,
+ const char *filename)
+{
+ struct ScanRequest req;
+ struct ScanResponse res;
+ int result;
+
+ pHWParams = pHWParams; /*to avoid compilation warning*/
+
+ HP5400_DBG (DBG_MSG, "\n");
+ HP5400_DBG (DBG_MSG, "Scanning :\n");
+ HP5400_DBG (DBG_MSG, " dpi(x) : %d\n", params->iDpi);
+ HP5400_DBG (DBG_MSG, " dpi(y) : %d\n", params->iLpi);
+ HP5400_DBG (DBG_MSG, " x0 : %d\n", params->iLeft);
+ HP5400_DBG (DBG_MSG, " y0 : %d\n", params->iTop);
+ HP5400_DBG (DBG_MSG, " width : %d\n", params->iWidth);
+ HP5400_DBG (DBG_MSG, " height : %d\n", params->iHeight);
+ HP5400_DBG (DBG_MSG, "\n");
+
+ memset(&req, 0, sizeof(req));
+
+ req.x1 = 0x08;
+ req.dpix = htons (params->iDpi);
+ req.dpiy = htons (params->iLpi);
+
+ /* These offsets and lengths should all be in the reference DPI which
+ * is set to HW_LPI */
+ req.offx = htons (params->iLeft);
+ req.offy = htons (params->iTop);
+ req.lenx = htons (params->iWidth);
+ req.leny = htons (params->iHeight);
+
+ req.flags1 = htons (0x0080);
+ req.flags2 = htons (0x0000);
+ req.flags3 = htons ((params->iDpi < 2400) ? 0x18E8 : 0x18C0); /* Try preview scan */
+
+ req.gamma[0] = htons (100);
+ req.gamma[1] = htons (100);
+ req.gamma[2] = htons (100);
+
+ if (Calibrate (iHandle, params->iDpi) != 0)
+ return -1;
+ SetDefaultGamma (iHandle);
+
+ result = DoScan (iHandle, &req, filename, 0x40, &res);
+
+ /* Pass the results back to the parent */
+ params->iBytesPerLine = htonl (res.xsize);
+ params->iLines = htons (res.ysize);
+
+#if 0
+ imageFile = fopen ("output.dat", "r+b");
+ if (imageFile)
+ {
+ int planes = 3;
+ int bpp = 1;
+ fseek (imageFile, 0, SEEK_SET);
+ DecodeImage (imageFile, planes, bpp, planes * bpp * params->iWidth,
+ params->iHeight, filename);
+ fclose (imageFile);
+ }
+#endif
+ return result;
+}
+
+HP5400_SANE_STATIC
+int
+PreviewScan (int iHandle)
+{
+ TScanParams params;
+ THWParams pHWParams;
+
+ /* Reference LPI is 300dpi, remember */
+ params.iDpi = 75;
+ params.iLpi = 75;
+ params.iLeft = 0;
+ params.iTop = 0;
+ params.iWidth = 2552; /* = 21.61cm * 300dpi */
+ params.iHeight = 3510; /* = 29.72cm * 300dpi */
+ params.iColourOffset = 1;
+
+ return hp5400_scan (iHandle, &params, &pHWParams, "output.ppm");
+}
+
+
+static char UISetup1[] = {
+/* Offset 40 */
+ 0x50, 0x72, 0x6F, 0x63, 0x65, 0x73, 0x73, 0x69, 0x6E, 0x67, 0x14, 0x00,
+ 0x52, 0x65, 0x61, 0x64,
+ 0x79, 0x00, 0x53, 0x63, 0x61, 0x6E, 0x6E, 0x65, 0x72, 0x20, 0x4C, 0x6F,
+ 0x63, 0x6B, 0x65, 0x64,
+ 0x00, 0x45, 0x72, 0x72, 0x6F, 0x72, 0x00, 0x43, 0x61, 0x6E, 0x63, 0x65,
+ 0x6C, 0x69, 0x6E, 0x67,
+ 0x14, 0x00, 0x50, 0x6F, 0x77, 0x65, 0x72, 0x53, 0x61, 0x76, 0x65, 0x20,
+ 0x4F, 0x6E, 0x00, 0x53,
+};
+
+static char UISetup2[] = {
+
+ 0x63, 0x61, 0x6E, 0x6E, 0x69, 0x6E, 0x67, 0x14, 0x00, 0x41, 0x44, 0x46,
+ 0x20, 0x70, 0x61, 0x70,
+ 0x65, 0x72, 0x20, 0x6A, 0x61, 0x6D, 0x00, 0x43, 0x6F, 0x70, 0x69, 0x65,
+ 0x73, 0x00, 0x00,
+};
+
+HP5400_SANE_STATIC
+int
+InitScanner (int iHandle)
+{
+ WarmupLamp (iHandle);
+
+ if (WriteByte (iHandle, 0xF200, 0x40) < 0)
+ return -1;
+
+ if (hp5400_command_write (iHandle, 0xF10B, sizeof (UISetup1), UISetup1) < 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to send UISetup1 (%lu)\n", (u_long) sizeof (UISetup1));
+ return -1;
+ }
+
+ if (WriteByte (iHandle, 0xF200, 0x00) < 0)
+ return -1;
+
+ if (hp5400_command_write (iHandle, 0xF10C, sizeof (UISetup2), UISetup2) < 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to send UISetup2\n");
+ return -1;
+ }
+ return 0;
+}
+#endif
+
+/* Warning! The caller must have configured the gamma tables at this stage */
+HP5400_SANE_STATIC
+int
+InitScan (enum ScanType scantype, TScanParams * pParams,
+ THWParams * pHWParams)
+{
+ struct ScanRequest req;
+ struct ScanResponse res;
+ int ret;
+
+ memset(&req, 0, sizeof(req));
+
+ req.x1 = 0x08;
+ req.dpix = htons (pParams->iDpi); /* = 300 dpi */
+ req.dpiy = htons (pParams->iLpi); /* = 300 dpi */
+ req.offx = htons (pParams->iLeft); /* = 0cm */
+ req.offy = htons (pParams->iTop); /* = 0cm */
+ req.lenx = htons (pParams->iWidth); /* = 22.78cm */
+
+ /* Scan a few extra rows so we can colour offset properly. At 300dpi the
+ * difference is 4 lines */
+
+ req.leny = htons (pParams->iHeight); /* = 0.42cm */
+
+ req.flags1 = htons ((scantype == SCAN_TYPE_CALIBRATION) ? 0x0000 : 0x0080);
+ req.flags2 = htons ((scantype == SCAN_TYPE_CALIBRATION) ? 0x0010 :
+ (scantype == SCAN_TYPE_PREVIEW) ? 0x0000 :
+ /* SCAN_TYPE_NORMAL */ 0x0040);
+ req.flags3 = htons (0x18E8);
+
+ req.gamma[0] = htons (100);
+ req.gamma[1] = htons (100);
+ req.gamma[2] = htons (100);
+
+ if (Calibrate (pHWParams->iXferHandle, pParams->iDpi) != 0)
+ return -1;
+/* SetDefaultGamma( pHWParams->iXferHandle ); ** Must be done by caller */
+
+ HP5400_DBG (DBG_MSG, "Calibration complete\n");
+ ret =
+ InitScan2 (scantype, &req, pHWParams, &res, pParams->iColourOffset, 0x40);
+
+ HP5400_DBG (DBG_MSG, "InitScan2 returned %d\n", ret);
+
+ /* Pass the results back to the parent */
+ pParams->iBytesPerLine = htonl (res.xsize);
+
+ /* Hide the extra lines we're scanning */
+ pParams->iLines = htons (res.ysize);
+
+ return ret; /* 0 is good, -1 is bad */
+}
+
+/* For want of a better name ... */
+HP5400_SANE_STATIC
+int
+InitScan2 (enum ScanType scantype, struct ScanRequest *req,
+ THWParams * pHWParams, struct ScanResponse *result,
+ int iColourOffset, int code)
+{
+ struct ScanResponse res;
+ int iHandle = pHWParams->iXferHandle;
+
+ memset(&res, 0, sizeof(res));
+
+ /* Protect scanner from damage. This stops stpuid errors. It basically
+ * limits you to the scanner glass. Stuff like calibrations which need
+ * more access do it safely by fiddling other paramters. Note you can
+ * still break things by fiddling the ScanOffset, but that is not yet
+ * under user control */
+
+ if (scantype != SCAN_TYPE_CALIBRATION)
+ {
+ HP5400_DBG (DBG_MSG, "Off(%d,%d) : Len(%d,%d)\n", htons (req->offx),
+ htons (req->offy), htons (req->lenx), htons (req->leny));
+ /* Yes, all the htons() is silly but we want this check as late as possible */
+ if (htons (req->offx) > 0x09F8)
+ req->offx = htons (0x09F8);
+ if (htons (req->offy) > 0x0DB6)
+ req->offy = htons (0x0DB6);
+ /* These tests are meaningless as htons() returns unsigned
+ if( htons( req->offx ) < 0 ) req->offx = 0;
+ if( htons( req->offy ) < 0 ) req->offy = 0;
+ */
+ if (htons (req->offx) + htons (req->lenx) > 0x09F8)
+ req->lenx = htons (0x09F8 - htons (req->offx));
+ if (htons (req->offy) + htons (req->leny) > 0x0DB6)
+ req->leny = htons (0x0DB6 - htons (req->offy));
+ if (htons (req->lenx) <= 1)
+ return -1;
+ if (htons (req->leny) <= 1)
+ return -1;
+ }
+
+ WarmupLamp (iHandle);
+
+ { /* Try to set it to make scan succeed, URB 53 *//* 0x1B01 => 0x40 */
+ /* I think this tries to cancel any existing scan */
+ char flag = 0x40;
+ if (hp5400_command_write (iHandle, CMD_STOPSCAN, sizeof (flag), &flag) <
+ 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to cancel scan flag\n");
+ return -1;
+ }
+ }
+
+ { /* Try to set it to make scan succeed, URB 55 */
+ char data[4] = { 0x02, 0x03, 0x03, 0x3C };
+ if (hp5400_command_write (iHandle, CMD_UNKNOWN3, sizeof (data), data) < 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to set unknown1\n");
+ return -1;
+ }
+ }
+
+ { /* Try to set it to make scan succeed, URB 59 */
+ char flag = 0x04;
+ if (hp5400_command_write (iHandle, CMD_UNKNOWN2, sizeof (flag), &flag) <
+ 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to set unknown2\n");
+ return -1;
+ }
+ }
+
+ { /* URB 67 *//* Reference DPI = 300 currently */
+ short dpi = htons (HW_LPI);
+ if (hp5400_command_write (iHandle, CMD_SETDPI, sizeof (dpi), &dpi) < 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to set dpi\n");
+ return -1;
+ }
+ }
+
+ if (scantype != SCAN_TYPE_CALIBRATION)
+ { /* Setup scan offsets - Should only apply to non-calibration scans */
+ short offsets[2];
+
+ offsets [0] = htons (0x0054);
+ offsets [1] = htons (0x0282);
+
+ if (hp5400_command_write
+ (iHandle, CMD_SETOFFSET, sizeof (offsets), offsets) < 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to set offsets\n");
+ return -1;
+ }
+ }
+
+ HP5400_DBG (DBG_MSG, "Scan request: \n ");
+ {
+ size_t i;
+ for (i = 0; i < sizeof (*req); i++)
+ {
+ HP5400_DBG (DBG_MSG, "%02X ", ((unsigned char *) req)[i]);
+ }
+ HP5400_DBG (DBG_MSG, "\n");
+ }
+
+ if (hp5400_command_write
+ (iHandle,
+ (scantype !=
+ SCAN_TYPE_CALIBRATION) ? CMD_SCANREQUEST2 : CMD_SCANREQUEST,
+ sizeof (*req), req) < 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to send scan request\n");
+ return -1;
+ }
+
+ { /* Try to set it to make scan succeed, URB 71 */
+ char flag = code; /* Start scan with light on or off as requested */
+ if (hp5400_command_write (iHandle, CMD_STARTSCAN, sizeof (flag), &flag) <
+ 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to set gamma flag\n");
+ return -1;
+ }
+ }
+
+ if (hp5400_command_read (iHandle, CMD_SCANRESPONSE, sizeof (res), &res) < 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to read scan response\n");
+ return -1;
+ }
+
+ HP5400_DBG (DBG_MSG, "Scan response: \n ");
+ {
+ size_t i;
+ for (i = 0; i < sizeof (res); i++)
+ {
+ HP5400_DBG (DBG_MSG, "%02X ", ((unsigned char *) &res)[i]);
+ }
+ HP5400_DBG (DBG_MSG, "\n");
+ }
+
+ HP5400_DBG (DBG_MSG, "Bytes to transfer: %d\nBitmap resolution: %d x %d\n",
+ htonl (res.transfersize), htonl (res.xsize), htons (res.ysize));
+
+ HP5400_DBG (DBG_MSG, "Proceeding to scan\n");
+
+ if (htonl (res.transfersize) == 0)
+ {
+ HP5400_DBG (DBG_MSG, "Hmm, size is zero. Obviously a problem. Aborting...\n");
+ return -1;
+ }
+
+ {
+ char x1 = 0x14, x2 = 0x24;
+
+ float pixels = ((float) htons (req->lenx) * (float) htons (req->leny)) *
+ ((float) htons (req->dpix) * (float) htons (req->dpiy)) /
+ ((float) HW_LPI * (float) HW_LPI);
+ int bpp = (int) ((float) htonl (res.transfersize) / pixels + 0.5);
+ int planes = (bpp == 1) ? 1 : 3;
+ bpp /= planes;
+
+ HP5400_DBG (DBG_MSG, "bpp = %d / ( (%d * %d) * (%d * %d) / (%d * %d) ) = %d\n",
+ htonl (res.transfersize),
+ htons (req->lenx), htons (req->leny),
+ htons (req->dpix), htons (req->dpiy), HW_LPI, HW_LPI, bpp);
+
+ hp5400_command_write_noverify (iHandle, CMD_INITBULK1, &x1, 1);
+ hp5400_command_write_noverify (iHandle, CMD_INITBULK2, &x2, 1);
+
+ if (bpp > 2) /* Bug!! */
+ bpp = 2;
+
+ CircBufferInit (pHWParams->iXferHandle, &pHWParams->pipe,
+ htonl (res.xsize), bpp, iColourOffset, 0xF000,
+ htonl (res.transfersize) + 3 * htons (res.ysize));
+ }
+
+ if (result) /* copy ScanResult to parent if they asked for it */
+ memcpy (result, &res, sizeof (*result));
+
+ return 0;
+}
+
+HP5400_SANE_STATIC
+void
+FinishScan (THWParams * pHWParams)
+{
+ int iHandle = pHWParams->iXferHandle;
+
+ CircBufferExit (&pHWParams->pipe);
+
+ { /* Finish scan request */
+ char flag = 0x40;
+ if (hp5400_command_write (iHandle, CMD_STOPSCAN, sizeof (flag), &flag) <
+ 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to set gamma flag\n");
+ return;
+ }
+ }
+}
+
+HP5400_SANE_STATIC
+int
+HP5400Open (THWParams * params, const char *filename)
+{
+ int iHandle = hp5400_open (filename);
+ char szVersion[32];
+ int i;
+#ifndef NO_STRING_VERSION_MATCH
+ int versionMatched;
+#endif
+
+ if (iHandle < 0)
+ {
+ HP5400_DBG (DBG_MSG, "hp5400_open failed\n");
+ return -1;
+ }
+
+ params->iXferHandle = 0;
+
+ /* read version info */
+ if (hp5400_command_read
+ (iHandle, CMD_GETVERSION, sizeof (szVersion), szVersion) < 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to read version string\n");
+ goto hp5400_close_exit;
+ }
+
+ HP5400_DBG (DBG_MSG, "version String :\n");
+ for (i=0; i < 32; i++) {
+ HP5400_DBG (DBG_MSG, "%c\n", szVersion[i]);
+ }
+ HP5400_DBG (DBG_MSG, "\n");
+
+#ifndef NO_STRING_VERSION_MATCH
+ i = 0;
+ versionMatched = 0;
+ while ( !versionMatched && (i < numVersions) ) {
+ if (!strncmp (szVersion + 1, MatchVersions[i] .strVersion, strlen(MatchVersions[i] .strVersion) - 4)) {
+ versionMatched = 1;
+ }
+ i++;
+ }
+ if ( !versionMatched ) {
+ HP5400_DBG (DBG_MSG,
+ "Sorry, unknown scanner version. Attempted match on :\n");
+ i = 0;
+ while ( i < numVersions ) {
+ HP5400_DBG (DBG_MSG, "* '%s'\n", MatchVersions[i] .strVersion);
+ i++;
+ }
+ HP5400_DBG (DBG_MSG, "Version is '%s'\n", szVersion);
+ goto hp5400_close_exit;
+ }
+#else
+ HP5400_DBG (DBG_MSG, "Warning, Version match is disabled. Version is '%s'\n",
+ szVersion);
+#endif /* NO_STRING_VERSION_MATCH */
+
+ params->iXferHandle = iHandle;
+
+ /* Start the lamp warming up */
+ /* No point checking the return value, we don't care anyway */
+ WriteByte (iHandle, 0x0000, 0x01);
+
+ /* Success */
+ return 0;
+
+hp5400_close_exit:
+ hp5400_close (iHandle);
+ return -1;
+}
+
+HP5400_SANE_STATIC
+void
+HP5400Close (THWParams * params)
+{
+ hp5400_close (params->iXferHandle);
+}
+
+HP5400_SANE_STATIC
+int
+HP5400Detect (const char *filename,
+ int (*_ReportDevice) (TScannerModel * pModel,
+ const char *pszDeviceName))
+{
+ int iHandle = hp5400_open (filename);
+
+ char szVersion[32];
+ int ret = 0;
+#ifndef NO_STRING_VERSION_MATCH
+ int versionMatched = 0;
+ int i = 0;
+#endif
+
+ if (iHandle < 0)
+ {
+ HP5400_DBG (DBG_MSG, "hp5400_open failed\n");
+ return -1;
+ }
+
+ /* read version info */
+ if (hp5400_command_read
+ (iHandle, CMD_GETVERSION, sizeof (szVersion), szVersion) < 0)
+ {
+ HP5400_DBG (DBG_MSG, "failed to read version string\n");
+ ret = -1;
+ goto hp5400_close_exit;
+ }
+
+#ifndef NO_STRING_VERSION_MATCH
+ i = 0;
+ versionMatched = 0;
+ while ( !versionMatched && (i < numVersions) ) {
+ if (!memcmp (szVersion + 1, MatchVersions[i] .strVersion, strlen (MatchVersions[i] .strVersion) - 4)) {
+ versionMatched = 1;
+ }
+ i++;
+ }
+ if ( !versionMatched ) {
+ HP5400_DBG (DBG_MSG,
+ "Sorry, unknown scanner version. Attempted match on :\n");
+ i = 0;
+ while ( i < numVersions ) {
+ HP5400_DBG (DBG_MSG, "* '%s'\n", MatchVersions[i] .strVersion);
+ i++;
+ }
+ HP5400_DBG (DBG_MSG, "Version is '%s'\n", szVersion);
+ goto hp5400_close_exit;
+ }
+#else
+ HP5400_DBG (DBG_MSG, "Warning, Version match is disabled. Version is '%s'\n",
+ szVersion);
+#endif /* NO_STRING_VERSION_MATCH */
+
+ if (_ReportDevice)
+ _ReportDevice (&Model_HP54xx, filename);
+
+hp5400_close_exit:
+ hp5400_close (iHandle);
+ return ret;
+}
+
+#ifdef STANDALONE
+int
+main (int argc, char *argv[])
+{
+ THWParams scanner;
+
+ assert (sizeof (struct ScanRequest) == 32);
+ assert (sizeof (struct ScanResponse) == 16);
+
+ hp5400_dbg_start();
+
+ HP5400_DBG (DBG_MSG,
+ "HP5400/5470C sample scan utility, by Martijn van Oosterhout <kleptog@svana.org>\n");
+ HP5400_DBG (DBG_MSG,
+ "Based on the testutils by Bertrik Sikken (bertrik@zonnet.nl)\n");
+
+ if ((argc == 6) && (!strcmp (argv[1], "-decode")))
+ {
+ int width = atoi (argv[3]);
+ int height = atoi (argv[4]);
+ FILE *temp = fopen (argv[2], "r+b");
+ if (temp)
+ {
+ int planes = 3;
+ int bpp = 1;
+ fseek (temp, 0, SEEK_SET);
+ DecodeImage (temp, planes, bpp, planes * bpp * width, height,
+ argv[5]);
+ fclose (temp);
+ }
+ return 1;
+ }
+
+ if (HP5400Open (&scanner, NULL) < 0)
+ {
+ return 1;
+ }
+
+ PreviewScan (scanner.iXferHandle);
+
+ HP5400Close (&scanner);
+ fprintf (stderr, "Note: output is in output.ppm\n");
+ return 0;
+}
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 17:08:09 +0000