kopia lustrzana https://gitlab.com/sane-project/backends
1200 and 2400 dpi shading are working
rodzic
ae6349b2ba
commit
18beac8e63
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@ -2710,7 +2710,8 @@ gl847_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
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{
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SANE_Status status = SANE_STATUS_GOOD;
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uint32_t addr, length, i, x, factor, pixels;
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uint16_t dpiset, dpihw, strpixel, endpixel;
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uint32_t dpiset, dpihw, strpixel, endpixel;
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uint16_t tempo;
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uint8_t val,*buffer,*ptr,*src;
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DBGSTART;
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@ -2723,18 +2724,23 @@ gl847_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
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write(0x10068000,0x00000dd8)
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*/
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length = (uint32_t) (size / 3);
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sanei_genesys_get_double(dev->reg,REG_STRPIXEL,&strpixel);
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sanei_genesys_get_double(dev->reg,REG_ENDPIXEL,&endpixel);
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sanei_genesys_get_double(dev->reg,REG_STRPIXEL,&tempo);
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strpixel=tempo;
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sanei_genesys_get_double(dev->reg,REG_ENDPIXEL,&tempo);
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endpixel=tempo;
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DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d, PIXELS=%d\n",__FUNCTION__,strpixel,endpixel,endpixel-strpixel);
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/* compute deletion factor */
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sanei_genesys_get_double(dev->reg,REG_DPISET,&dpiset);
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sanei_genesys_get_double(dev->reg,REG_DPISET,&tempo);
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dpiset=tempo;
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dpihw=sanei_genesys_compute_dpihw(dev,dpiset);
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factor=dpihw/dpiset;
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DBG( DBG_io2, "%s: factor=%d\n",__FUNCTION__,factor);
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/* since we're using SHDAREA, substract startx coordinate from shading */
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strpixel-=((dev->sensor.CCD_start_xoffset*600)/dev->sensor.optical_res);
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/* turn pixel value into bytes 2x16 bits words */
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strpixel-=((dev->sensor.CCD_start_xoffset*dpihw)/dev->sensor.optical_res);
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strpixel*=2*2; /* 2 words of 2 bytes */
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endpixel*=2*2;
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/* byte size of coefficients */
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