kopia lustrzana https://gitlab.com/sane-project/backends
working 200 and 300 dpi mode for G4050
rodzic
71f1fc1115
commit
8e5c4e3c7d
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@ -486,11 +486,11 @@ static Genesys_Sensor Sensor[] = {
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NULL, NULL, NULL}
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,
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{CCD_G4050,
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1200, /* XXX STEF XXX 4800 */
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600, /* 4800 */
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48,
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28,
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152,
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10200, /* XXX STEF XXX 42574 */
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2696*2, /* 2696*2=>600, *4=>2400 */
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210,
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230,
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/* 08 09 0a 0b */
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@ -876,14 +876,15 @@ static Genesys_Motor Motor[] = {
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},
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},
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{MOTOR_G4050,
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1200, 2400,
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2400,
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4800,
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2,
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1,
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{ /* motor slopes */
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{ /* power mode 0 */
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{ 3961, 240, 95, 0.8 }, /* full step */
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{ 3961, 240, 95, 0.8 }, /* half step */
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{ 3961, 240, 95, 0.8 }, /* quarter step */
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{ 3961, 240, 246, 0.8 }, /* full step */
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{ 3961, 240, 246, 0.8 }, /* half step */
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{ 3961, 240, 246, 0.8 }, /* quarter step */
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},
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},
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},
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@ -1054,15 +1055,15 @@ static Genesys_Model hpg4050_model = {
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GENESYS_GL843,
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NULL,
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{ 1200, 600, 300, 200, 150, 75, 0}, /* possible x-resolutions */
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{ 1200, 600, 300, 200, 150, 75, 0}, /* possible y-resolutions */
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{ /* 4800, 2400, 1200, 800, 600, 400, */ 300, 200, 0},
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{ /* 4800, 2400, 1200, 800, 600, 400, */ 300, 200, 0},
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{16, 8, 0}, /* possible depths in gray mode */
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{16, 8, 0}, /* possible depths in color mode */
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SANE_FIX (0.42), /* Start of scan area in mm (x) */
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SANE_FIX (7.9), /* Start of scan area in mm (y) */
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SANE_FIX (218.0), /* Size of scan area in mm (x) */
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SANE_FIX (299.0), /* Size of scan area in mm (y) */
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SANE_FIX (6.55), /* Start of scan area in mm (x) */
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SANE_FIX (15.00), /* Start of scan area in mm (y) */
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SANE_FIX (223.0), /* Size of scan area in mm (x) */
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SANE_FIX (315.0), /* Size of scan area in mm (y) */
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SANE_FIX (3.0), /* Start of white strip in mm (y) */
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SANE_FIX (0.0), /* Start of black mark in mm (x) */
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@ -460,17 +460,53 @@ gl843_test_motor_flag_bit (SANE_Byte val)
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return SANE_FALSE;
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}
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static uint16_t *get_motor_profile(int motor_type, int exposure)
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/** @get motor profile
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* search for the database of motor profiles and get the best one. Each
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* profile is at full step and at a reference exposure. Use KV-SS080 table
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* by default.
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* @param motor_type motor id
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* @param exposure exposure time
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* @return a pointer to a Motor_Profile struct
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*/
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static Motor_Profile *get_motor_profile(int motor_type, int exposure)
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{
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switch(motor_type)
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unsigned int i;
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int idx;
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i=0;
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idx=-1;
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while(i<sizeof(motors)/sizeof(Motor_Profile))
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{
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case MOTOR_G4050:
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return g4050_profile;
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case MOTOR_KVSS080:
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return kvss080_profile;
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default:
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return kvss080_profile;
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/* exact match */
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if(motors[i].motor_type==motor_type && motors[i].exposure==exposure)
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{
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return &(motors[i]);
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}
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/* closest match */
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if(motors[i].motor_type==motor_type)
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{
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if(idx<0)
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{
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idx=i;
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}
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else
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{
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if(motors[i].exposure>=exposure
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&& motors[i].exposure<motors[idx].exposure)
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{
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idx=i;
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}
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}
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}
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i++;
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}
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/* default fallback */
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if(idx<0)
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idx=0;
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return &(motors[idx]);
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}
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static int gl843_slope_table(uint16_t *slope,
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@ -483,26 +519,30 @@ static int gl843_slope_table(uint16_t *slope,
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int motor_type)
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{
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int sum, i;
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uint16_t target, *profile;
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uint16_t target,current;
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Motor_Profile *profile;
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/* required speed */
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target=((exposure * dpi) / base_dpi)>>step_type;
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DBG( DBG_io2, "XXX exposure=%d, dpi=%d, base_dpi=%d, step_type=%d, target=%d\n",exposure,dpi,base_dpi,step_type,target);
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/* fill result with target speed */
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for(i=0;i<256*factor;i++)
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slope[i]=target;
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/* TODO choose profile to use per motor type, for now only one */
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profile=get_motor_profile(motor_type,exposure);
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/* use profile to build table */
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sum=0;
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i=0;
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while(i<(256*factor) && (profile[i]>>step_type)>target)
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current=((profile->table[0]*exposure)/profile->exposure)>>step_type;
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while(i<(256*factor) && current>target)
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{
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slope[i]=profile[i]>>step_type;
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slope[i]=current;
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sum+=slope[i];
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i++;
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current=((profile->table[i]*exposure)/profile->exposure)>>step_type;
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DBG( DBG_io2, "current=%d, target=%d\n",current,target);
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}
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/* align size on step time factor */
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@ -527,7 +567,7 @@ gl843_setup_sensor (Genesys_Device * dev, Genesys_Register_Set * regs, int dpi)
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Genesys_Register_Set *r;
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int i;
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DBG (DBG_proc, "gl843_setup_sensor\n");
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DBGSTART;
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for (i = 0x06; i < 0x0e; i++)
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{
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@ -708,6 +748,7 @@ gl843_init_registers (Genesys_Device * dev)
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SETREG (0x9b, 0x80);
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SETREG (0xac, 0x00);
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SETREG (0x18, 0x01); /* XXX STEF XXX CKSEL=1, CKTOGGLE=0 */
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}
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/* fine tune upon device description */
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@ -1103,7 +1144,7 @@ gl843_init_optical_regs_scan (Genesys_Device * dev,
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{
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unsigned int words_per_line;
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unsigned int startx, endx, used_pixels;
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unsigned int dpiset,cksel;
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unsigned int dpiset, cksel;
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unsigned int i, bytes;
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Genesys_Register_Set *r;
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SANE_Status status;
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@ -1120,12 +1161,6 @@ gl843_init_optical_regs_scan (Genesys_Device * dev,
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r = sanei_genesys_get_address (reg, REG18);
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cksel= (r->value & REG18_CKSEL)+1;
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/* XXX STEF XXX visible colors are on the left side of the sensor */
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if (dev->model->ccd_type == CCD_G4050)
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{
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cksel*=2;
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}
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DBG (DBG_io2, "%s: cksel=%d\n", __FUNCTION__, cksel);
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dpiset = used_res * cksel;
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@ -1305,6 +1340,30 @@ gl843_get_led_exposure (Genesys_Device * dev)
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return m + d;
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}
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/**@ brief comput exposure to use
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* compute the sensor exposure based on target resolution
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*/
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static int gl843_compute_exposure(Genesys_Device *dev, int xres)
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{
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switch(dev->model->ccd_type)
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{
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case CCD_G4050:
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if(xres<=300)
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{
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return 3840;
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}
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if(xres<=600)
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{
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return 8016;
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}
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return 21376;
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case CCD_KVSS080:
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default:
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return 8000;
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}
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}
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/* set up registers for an actual scan
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*
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* this function sets up the scanner to scan in normal or single line mode
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@ -1329,7 +1388,7 @@ gl843_init_scan_regs (Genesys_Device * dev, Genesys_Register_Set * reg, float xr
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int move;
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unsigned int lincnt;
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unsigned int oflags; /**> optical flags */
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int exposure_time, led_exposure;
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int exposure_time;
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int stagger;
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int slope_dpi = 0;
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@ -1457,16 +1516,8 @@ independent of our calculated values:
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/* scan_step_type */
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scan_step_type = 1;
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exposure_time=8000;
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led_exposure = gl843_get_led_exposure (dev);
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/* TODO either fix exposure2 or build a new exposure computing function
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exposure_time = sanei_genesys_exposure_time2 (dev,
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slope_dpi,
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scan_step_type,
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start + used_pixels + 258,
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led_exposure,
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scan_power_mode); */
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scan_step_type = 0; /* XXX STEF XXX */
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exposure_time=gl843_compute_exposure (dev, used_res);
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DBG (DBG_info, "gl843_init_scan_regs : exposure_time=%d pixels\n",
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exposure_time);
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@ -1739,6 +1790,7 @@ gl843_calculate_current_setup (Genesys_Device * dev)
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/* scan_step_type */
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scan_step_type = 1;
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scan_step_type = 0; /* XXX STEF XXX */
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exposure_time = sanei_genesys_exposure_time2 (dev,
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slope_dpi,
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@ -2307,7 +2359,7 @@ gl843_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
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SCAN_FLAG_IGNORE_LINE_DISTANCE);
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gl843_init_motor_regs_scan (dev,
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local_reg,
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8000,
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gl843_compute_exposure (dev, 300),
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300,
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1,
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1,
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