kopia lustrzana https://gitlab.com/sane-project/backends
- improved sanei_genesys_search_reference_point to fix origin detection
for HP2300 and a left margin detection bug with MD6345 - some HP2400 support tidbitsmerge-requests/1/head
Stéphane Voltz
rodzic
67ae886d9c
commit
7ec4d9b567
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@ -1,3 +1,9 @@
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2006-08-09 Stephane Voltz <stefdev@modulonet.fr>
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* backend/genesys_gl646.c backend/genesys.c backend/genesys_devices.c:
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improved sanei_genesys_search_reference_point to get more reliable
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detection for HP2300 and MD6345. Slight tune up for HP2400 model.
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2006-08-09 Gerhard Jaeger <gerhard@gjaeger.de>
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* doc/plustek/Plustek-PARPORT.changes doc/plustek/Plustek-USB.changes
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@ -1439,18 +1439,13 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
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int x, y;
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int current, left, top = 0, bottom = 0;
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u_int8_t *image;
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int size;
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int size, count;
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int level = 80; /* edge threshold level */
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/*sanity check */
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if ((width < 3) || (height < 3))
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return SANE_STATUS_INVAL;
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/* TODO either put this value in a new field in Genesys_sensor struct
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or, better, compute it from data */
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if (dev->model->ccd_type == CCD_HP2300)
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level = 60;
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/* transformed image data */
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size = width * height;
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image = malloc (size);
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@ -1481,9 +1476,11 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
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-1 0 1
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-2 0 2
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-1 0 1
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and finds threshold level
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*/
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for (y = 1; y < height - 1; y++)
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for (x = 1; x < width - 1; x++)
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level = 0;
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for (y = 2; y < height - 2; y++)
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for (x = 2; x < width - 2; x++)
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{
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current =
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data[(y - 1) * width + x + 1] - data[(y - 1) * width + x - 1] +
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@ -1491,16 +1488,24 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
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data[(y + 1) * width + x + 1] - data[(y + 1) * width + x - 1];
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if (current < 0)
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current = -current;
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if (current > 255)
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current = 255;
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image[y * width + x] = current;
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if(current>level)
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level = current;
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}
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if (DBG_LEVEL >= DBG_data)
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sanei_genesys_write_pnm_file ("xsobel.pnm", image, 8, 1, width, height);
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/* set up detection level */
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level = level / 3;
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/* find left black margin first
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todo: search top before left
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we average the result of N searches */
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left = 0;
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for (y = 1; y < 11; y++)
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count = 0;
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for (y = 2; y < 11; y++)
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{
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x = 8;
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while ((x < width / 2) && (image[y * width + x] < level))
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@ -1508,9 +1513,12 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
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image[y * width + x] = 255;
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x++;
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}
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count ++;
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left += x;
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}
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left = left / (y - 1);
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if (DBG_LEVEL >= DBG_data)
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sanei_genesys_write_pnm_file ("detected-xsobel.pnm", image, 8, 1, width, height);
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left = left / count;
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/* turn it in CCD pixel at full sensor optical resolution */
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dev->sensor.CCD_start_xoffset =
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@ -1522,8 +1530,9 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
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0 0 0
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1 2 1
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*/
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for (y = 1; y < height - 1; y++)
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for (x = 1; x < width - 1; x++)
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level = 0;
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for (y = 2; y < height - 2; y++)
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for (x = 2; x < width - 2; x++)
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{
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current =
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-data[(y - 1) * width + x + 1] - 2 * data[(y - 1) * width + x] -
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@ -1531,35 +1540,51 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
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2 * data[(y + 1) * width + x] + data[(y + 1) * width + x - 1];
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if (current < 0)
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current = -current;
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if (current > 255)
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current = 255;
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image[y * width + x] = current;
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if(current>level)
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level = current;
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}
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if (DBG_LEVEL >= DBG_data)
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sanei_genesys_write_pnm_file ("ysobel.pnm", image, 8, 1, width, height);
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/* set up detection level */
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level = level / 3;
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/* search top of horizontal black stripe */
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if (dev->model->ccd_type == CCD_5345
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&& dev->model->motor_type == MOTOR_5345)
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{
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top = 0;
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count = 0;
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for (x = width / 2; x < width - 1; x++)
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{
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y = 2;
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while ((y < height) && (image[x + y * width] < level))
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y++;
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{
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image[y * width + x] = 255;
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y++;
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}
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count ++;
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top += y;
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}
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top = top / (width / 2 - 1);
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if (DBG_LEVEL >= DBG_data)
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sanei_genesys_write_pnm_file ("detected-ysobel.pnm", image, 8, 1, width, height);
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top = top / count;
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/* find bottom of black stripe */
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bottom = 0;
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count = 0;
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for (x = width / 2; x < width - 1; x++)
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{
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y = top + 5;
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while ((y < height) && (image[x + y * width] < level))
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y++;
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bottom += y;
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count ++;
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}
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bottom = bottom / (width / 2 - 1);
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bottom = bottom / count;
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dev->model->y_offset_calib = SANE_FIX ((bottom * MM_PER_INCH) / dpi);
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DBG (DBG_info,
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"sanei_genesys_search_reference_point: black stripe y_offset = %f mm \n",
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@ -1571,14 +1596,16 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
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&& dev->model->motor_type == MOTOR_HP2300)
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{
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top = 0;
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count = 0;
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for (x = 10; x < 60; x++)
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{
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y = 2;
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while ((y < height) && (image[x + y * width] < level))
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y++;
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top += y;
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count ++;
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}
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top = top / 50;
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top = top / count;
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dev->model->y_offset_calib = SANE_FIX ((top * MM_PER_INCH) / dpi);
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DBG (DBG_info,
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"sanei_genesys_search_reference_point: white corner y_offset = %f mm\n",
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@ -1587,8 +1614,8 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
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free (image);
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DBG (DBG_proc,
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"sanei_genesys_search_reference_point: CCD_start_xoffset = %d, top = %d, bottom=%d\n",
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dev->sensor.CCD_start_xoffset, top, bottom);
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"sanei_genesys_search_reference_point: CCD_start_xoffset = %d, left = %d, top = %d, bottom=%d\n",
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dev->sensor.CCD_start_xoffset, left, top, bottom);
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return SANE_STATUS_GOOD;
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}
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@ -171,7 +171,7 @@ static Genesys_Sensor Sensor[] = {
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15, 0, 10872, 210, 200,
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{0x14, 0x15, 0x00, 0x00}
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,
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x08, 0x30, 0x2a, 0x00, 0x00,
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, 0x08, 0x3f, 0x2a, 0x00, 0x00,
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0x00, 0x02}
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,
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{0x0b, 0x0f, 0x13, 0x17, 0x03, 0x07, 0x63, 0x00, 0xc1, 0x00, 0x00, 0x00,
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@ -720,6 +720,22 @@ gl646_setup_sensor (Genesys_Device * dev,
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r->value = 0x80 | (r->value & 0x03); /* VSMP=16 */
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return;
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}
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if (dev->model->ccd_type == CCD_HP2400)
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{
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/* settings for CCD used at half is max resolution */
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if (half_ccd)
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{
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r = sanei_genesys_get_address (regs, 0x08);
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r->value = 2;
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r = sanei_genesys_get_address (regs, 0x09);
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r->value = 4;
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r = sanei_genesys_get_address (regs, 0x0a);
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r->value = 0;
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r = sanei_genesys_get_address (regs, 0x0b);
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r->value = 0;
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}
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}
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}
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/** Test if the ASIC works
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@ -3840,6 +3856,11 @@ gl646_init_regs_for_warmup (Genesys_Device * dev,
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slope_table[0] = 4480;
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slope_table[1] = 4480;
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}
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else if (dev->model->motor_type == MOTOR_HP2400)
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{
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slope_table[0] = 7120;
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slope_table[1] = 7120;
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}
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RIE (gl646_send_slope_table
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(dev, 0, slope_table, local_reg[reg_0x21].value));
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}
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