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shading calibration start to work again at <= 600 dpi

merge-requests/1/head
Stphane Voltz 2011-04-15 21:28:45 +02:00
rodzic a7652acdcc
commit ae6349b2ba
6 zmienionych plików z 114 dodań i 80 usunięć
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68
backend/genesys.c
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@ -2934,30 +2934,6 @@ genesys_send_shading_coefficient (Genesys_Device * dev)
cmat[2] = 2;
switch (dev->model->ccd_type)
{
case CIS_CANONLIDE110:
words_per_color=pixels_per_line*2;
length = words_per_color * 3 * 2;
/* XXX STEF XXX re do it better, words per color is wrong since our dpihw vary */
free(shading_data);
shading_data = malloc (length);
if (!shading_data)
{
DBG (DBG_error,
"genesys_send_shading_coefficient: failed to allocate memory\n");
return SANE_STATUS_NO_MEM;
}
memset (shading_data, 0x55, length);
compute_planar_coefficients (dev,
shading_data,
1,
pixels_per_line,
words_per_color,
channels,
cmat,
0,
coeff,
0xdc00);
break;
case CCD_XP300:
case CCD_ROADWARRIOR:
case CCD_DP665:
@ -3062,19 +3038,49 @@ genesys_send_shading_coefficient (Genesys_Device * dev)
break;
case CIS_CANONLIDE100:
case CIS_CANONLIDE200:
/* we are not using SHDAREA, and AVEENB is disabled */
words_per_color=pixels_per_line*2;
length = words_per_color * 3 * 2;
compute_averaged_planar(dev,
free(shading_data);
shading_data = malloc (length);
if (!shading_data)
{
DBG (DBG_error,
"genesys_send_shading_coefficient: failed to allocate memory\n");
return SANE_STATUS_NO_MEM;
}
compute_planar_coefficients (dev,
shading_data,
1,
pixels_per_line,
words_per_color,
3,
4,
channels,
cmat,
0,
coeff,
0xfa00,
0x0a00,
SANE_TRUE);
0xdc00);
break;
case CIS_CANONLIDE110:
words_per_color=pixels_per_line*2;
length = words_per_color * 3 * 2;
/* XXX STEF XXX re do it better, words per color is wrong since our dpihw vary */
free(shading_data);
shading_data = malloc (length);
if (!shading_data)
{
DBG (DBG_error,
"genesys_send_shading_coefficient: failed to allocate memory\n");
return SANE_STATUS_NO_MEM;
}
compute_planar_coefficients (dev,
shading_data,
1,
pixels_per_line,
words_per_color,
channels,
cmat,
0,
coeff,
0xdc00);
break;
case CCD_CANONLIDE35:
target_bright = 0xfa00;

1
backend/genesys_devices.c
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@ -1559,7 +1559,6 @@ static Genesys_Model canon_lide_200_model = {
GPO_CANONLIDE200,
MOTOR_CANONLIDE200,
GENESYS_FLAG_SKIP_WARMUP
| GENESYS_FLAG_NO_CALIBRATION
| GENESYS_FLAG_MUST_WAIT
| GENESYS_FLAG_SIS_SENSOR
| GENESYS_FLAG_OFFSET_CALIBRATION

5
backend/genesys_gl124.c
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@ -2604,6 +2604,7 @@ gl124_init_regs_for_shading (Genesys_Device * dev)
dev->calib_channels = 3;
resolution=gl124_compute_dpihw(dev,dev->settings.xres);
dev->calib_pixels = (dev->sensor.sensor_pixels*resolution)/dev->sensor.optical_res;
dev->calib_resolution = resolution;
/* distance to move to reach white target at high resolution */
move=0;
@ -2890,7 +2891,7 @@ gl124_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
break;
}
/* next shading coefficients */
/* next shading coefficient */
ptr+=4;
}
RIE (sanei_genesys_read_register (dev, 0xd0+i, &val));
@ -2910,7 +2911,7 @@ gl124_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
return status;
}
/** @brief send gmma table to scanner
/** @brief send gamma table to scanner
* This function sends generic gamma table (ie ones built with
* provided gamma) or the user defined one if provided by
* fontend.

1
backend/genesys_gl843.c
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@ -2740,6 +2740,7 @@ gl843_init_regs_for_shading (Genesys_Device * dev)
dev->calib_channels = 3;
dev->calib_pixels = dev->sensor.sensor_pixels;
resolution=gl843_compute_dpihw(dev,dev->settings.xres);
dev->calib_resolution = resolution;
/* distance to move to reach white target */
move = SANE_UNFIX (dev->model->y_offset_calib);

98
backend/genesys_gl847.c
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@ -465,6 +465,7 @@ gl847_init_registers (Genesys_Device * dev)
SETREG (0x01, 0x82);
SETREG (0x02, 0x18);
SETREG (0x03, 0x50);
SETREG (0x03, 0x10); /* XXX STEF XXX */
SETREG (0x04, 0x12);
SETREG (0x05, 0x80);
SETREG (0x06, 0x50); /* FASTMODE + POWERBIT */
@ -884,6 +885,9 @@ gl847_init_motor_regs_scan (Genesys_Device * dev,
use_fast_fed=0;
if(scan_yres>600 && feed_steps>900)
use_fast_fed=1;
/* we are doing custom feeding at high resolution */
if(scan_step_type>2)
use_fast_fed=0;
sanei_genesys_set_triple(reg, REG_LINCNT, scan_lines);
DBG (DBG_io, "%s: lincnt=%d\n", __FUNCTION__, scan_lines);
@ -2365,12 +2369,13 @@ gl847_init_regs_for_shading (Genesys_Device * dev)
memcpy (dev->calib_reg, dev->reg,
GENESYS_GL847_MAX_REGS * sizeof (Genesys_Register_Set));
dev->calib_pixels = dev->sensor.sensor_pixels;
dev->calib_resolution = sanei_genesys_compute_dpihw(dev,dev->settings.xres);
dev->calib_pixels = (dev->sensor.sensor_pixels*dev->calib_resolution)/dev->sensor.optical_res;
status = gl847_init_scan_regs (dev,
dev->calib_reg,
dev->sensor.optical_res,
dev->motor.base_ydpi,
dev->calib_resolution,
dev->calib_resolution,
0,
0,
dev->calib_pixels,
@ -2381,8 +2386,7 @@ gl847_init_regs_for_shading (Genesys_Device * dev)
SCAN_FLAG_DISABLE_SHADING |
SCAN_FLAG_DISABLE_GAMMA |
SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
SCAN_FLAG_IGNORE_LINE_DISTANCE |
SCAN_FLAG_USE_OPTICAL_RES);
SCAN_FLAG_IGNORE_LINE_DISTANCE);
if (status != SANE_STATUS_GOOD)
@ -2548,7 +2552,7 @@ gl847_init_regs_for_scan (Genesys_Device * dev)
DBG (DBG_info, "gl847_init_regs_for_scan: move=%f steps\n", move);
/* at high res we do fast move to scan area */
if(dev->settings.xres>1200)
if(dev->settings.xres>1200 && move > 900)
{
status = gl847_feed (dev, move);
if (status != SANE_STATUS_GOOD)
@ -2705,8 +2709,9 @@ static SANE_Status
gl847_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
{
SANE_Status status = SANE_STATUS_GOOD;
uint32_t addr, length;
uint8_t val;
uint32_t addr, length, i, x, factor, pixels;
uint16_t dpiset, dpihw, strpixel, endpixel;
uint8_t val,*buffer,*ptr,*src;
DBGSTART;
DBG( DBG_io2, "%s: writing %d bytes of shading data\n",__FUNCTION__,size);
@ -2718,44 +2723,66 @@ gl847_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
write(0x10068000,0x00000dd8)
*/
length = (uint32_t) (size / 3);
DBG( DBG_io2, "%s: using chunks of %d (0x%04x) bytes\n",__FUNCTION__,length,length);
sanei_genesys_get_double(dev->reg,REG_STRPIXEL,&strpixel);
sanei_genesys_get_double(dev->reg,REG_ENDPIXEL,&endpixel);
DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d, PIXELS=%d\n",__FUNCTION__,strpixel,endpixel,endpixel-strpixel);
/* compute deletion factor */
sanei_genesys_get_double(dev->reg,REG_DPISET,&dpiset);
dpihw=sanei_genesys_compute_dpihw(dev,dpiset);
factor=dpihw/dpiset;
DBG( DBG_io2, "%s: factor=%d\n",__FUNCTION__,factor);
/* turn pixel value into bytes 2x16 bits words */
strpixel-=((dev->sensor.CCD_start_xoffset*dpihw)/dev->sensor.optical_res);
strpixel*=2*2; /* 2 words of 2 bytes */
endpixel*=2*2;
/* byte size of coefficients */
pixels=endpixel-strpixel;
/* allocate temporary buffer */
buffer=(uint8_t *)malloc(pixels);
memset(buffer,0,pixels);
DBG( DBG_io2, "%s: using chunks of %d (0x%04x) bytes\n",__FUNCTION__,pixels,pixels);
/* base addr of data has been written in reg D0-D4 in 4K word, so AHB address
* is 8192*reg value */
/* write actual red data */
RIE (sanei_genesys_read_register (dev, 0xd0, &val));
/* write actual color channel data */
for(i=0;i<3;i++)
{
/* build up actual shading data by copying the part from he full width one
* to the one corresponding to SHDAREA */
ptr=buffer;
/* iterate on both sensor segment */
for(x=0;x<pixels;x+=4*factor)
{
/* coefficient source */
src=(data+strpixel+i*length)+x;
/* coefficient copy */
ptr[0]=src[0];
ptr[1]=src[1];
ptr[2]=src[2];
ptr[3]=src[3];
/* next shading coefficient */
ptr+=4;
}
RIE (sanei_genesys_read_register (dev, 0xd0+i, &val));
addr = val * 8192 + 0x10000000;
status = sanei_genesys_write_ahb (dev->dn, addr, length, data);
status = sanei_genesys_write_ahb (dev->dn, addr, pixels, buffer);
if (status != SANE_STATUS_GOOD)
{
DBG (DBG_error, "gl847_send_shading_data; write to AHB failed (%s)\n",
sane_strstatus (status));
return status;
}
/* write actual green data */
RIE (sanei_genesys_read_register (dev, 0xd1, &val));
addr = val * 8192 + 0x10000000;
status = sanei_genesys_write_ahb (dev->dn, addr, length, data + length);
if (status != SANE_STATUS_GOOD)
{
DBG (DBG_error, "gl847_send_shading_data; write to AHB failed (%s)\n",
sane_strstatus (status));
return status;
}
/* write actual blue data */
RIE (sanei_genesys_read_register (dev, 0xd2, &val));
addr = val * 8192 + 0x10000000;
status = sanei_genesys_write_ahb (dev->dn, addr, length, data + 2 * length);
if (status != SANE_STATUS_GOOD)
{
DBG (DBG_error, "gl847_send_shading_data; write to AHB failed (%s)\n",
sane_strstatus (status));
return status;
}
free(buffer);
DBGCOMPLETED;
return status;
@ -2802,7 +2829,7 @@ gl847_led_calibration (Genesys_Device * dev)
status = gl847_init_scan_regs (dev,
dev->calib_reg,
used_res,
dev->motor.base_ydpi,
used_res,
0,
0,
num_pixels,
@ -2813,8 +2840,7 @@ gl847_led_calibration (Genesys_Device * dev)
SCAN_FLAG_DISABLE_SHADING |
SCAN_FLAG_DISABLE_GAMMA |
SCAN_FLAG_SINGLE_LINE |
SCAN_FLAG_IGNORE_LINE_DISTANCE |
SCAN_FLAG_USE_OPTICAL_RES);
SCAN_FLAG_IGNORE_LINE_DISTANCE);
if (status != SANE_STATUS_GOOD)
{

1
backend/genesys_low.h
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@ -624,6 +624,7 @@ struct Genesys_Device
size_t average_size;
size_t calib_pixels;
size_t calib_channels;
size_t calib_resolution;
uint8_t *white_average_data;
uint8_t *dark_average_data;
uint16_t dark[3];