kopia lustrzana https://gitlab.com/sane-project/backends
genesys: Remove unused code
Povilas Kanapickas
rodzic
3dff8085e7
commit
d8e8899a76
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@ -491,288 +491,6 @@ SANE_Int sanei_genesys_create_slope_table3(Genesys_Device * dev,
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return sum_time;
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}
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/* alternate slope table creation function */
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/* the hardcoded values (g and vstart) will go in a motor struct */
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SANE_Int genesys_create_slope_table2(Genesys_Device* dev, std::vector<uint16_t>& slope_table,
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int steps,
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int step_type, int exposure_time,
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bool same_speed, double yres)
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{
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double t, g;
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SANE_Int sum = 0;
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int vstart, vend;
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int i;
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DBG(DBG_proc, "%s: %d steps, step_type = %d, "
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"exposure_time = %d, same_speed = %d, yres = %.2f\n", __func__, steps,
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step_type, exposure_time, same_speed, yres);
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/* start speed */
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if (dev->model->motor_id == MotorId::MD_5345) {
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if (yres < dev->motor.base_ydpi / 6)
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vstart = 2500;
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else
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vstart = 2000;
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}
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else
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{
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if (steps == 2) {
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vstart = exposure_time;
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} else if (steps == 3) {
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vstart = 2 * exposure_time;
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} else if (steps == 4) {
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vstart = static_cast<int>(1.5 * exposure_time);
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} else if (steps == 120) {
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vstart = static_cast<int>(1.81674 * exposure_time);
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} else {
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vstart = exposure_time;
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}
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}
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/* final speed */
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vend = static_cast<int>((exposure_time * yres) / (dev->motor.base_ydpi * (1 << step_type)));
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/*
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type=1 : full
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type=2 : half
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type=4 : quarter
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vend * type * base_ydpi / exposure = yres
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*/
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/* acceleration */
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switch (steps)
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{
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case 255:
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/* test for special case: fast moving slope */
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/* todo: a 'fast' boolean parameter should be better */
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if (vstart == 2000)
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g = 0.2013;
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else
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g = 0.1677;
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break;
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case 120:
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g = 0.5;
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break;
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case 67:
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g = 0.5;
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break;
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case 64:
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g = 0.2555;
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break;
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case 44:
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g = 0.5;
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break;
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case 4:
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g = 0.5;
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break;
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case 3:
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g = 1;
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break;
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case 2:
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vstart = vend;
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g = 1;
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break;
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default:
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g = 0.2635;
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}
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/* if same speed, no 'g' */
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sum = 0;
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if (same_speed)
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{
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for (i = 0; i < 255; i++)
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{
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slope_table[i] = vend;
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sum += slope_table[i];
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DBG (DBG_io, "slope_table[%3d] = %5d\n", i, slope_table[i]);
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}
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}
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else
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{
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for (i = 0; i < steps; i++)
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{
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t = std::pow(static_cast<double>(i) / static_cast<double>(steps - 1), g);
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slope_table[i] = static_cast<std::uint16_t>(vstart * (1 - t) + t * vend);
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DBG (DBG_io, "slope_table[%3d] = %5d\n", i, slope_table[i]);
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sum += slope_table[i];
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}
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for (i = steps; i < 255; i++)
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{
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slope_table[i] = vend;
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DBG (DBG_io, "slope_table[%3d] = %5d\n", i, slope_table[i]);
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sum += slope_table[i];
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}
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}
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DBG(DBG_proc, "%s: returns sum=%d, completed\n", __func__, sum);
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return sum;
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}
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/* Generate slope table for motor movement */
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/* todo: check details */
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SANE_Int sanei_genesys_create_slope_table(Genesys_Device * dev, std::vector<uint16_t>& slope_table,
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int steps, int step_type, int exposure_time,
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bool same_speed, double yres)
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{
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double t;
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double start_speed;
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double g;
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uint32_t time_period;
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int sum_time = 0;
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int i, divider;
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int same_step;
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if (dev->model->motor_id == MotorId::MD_5345 ||
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dev->model->motor_id == MotorId::HP2300 ||
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dev->model->motor_id == MotorId::HP2400)
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{
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return genesys_create_slope_table2(dev, slope_table, steps, step_type, exposure_time,
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same_speed, yres);
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}
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DBG(DBG_proc, "%s: %d steps, step_type = %d, exposure_time = %d, same_speed =%d\n", __func__,
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steps, step_type, exposure_time, same_speed);
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DBG(DBG_proc, "%s: yres = %.2f\n", __func__, yres);
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g = 0.6;
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start_speed = 0.01;
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same_step = 4;
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divider = 1 << step_type;
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time_period = static_cast<std::uint32_t>(yres * exposure_time /
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dev->motor.base_ydpi /*MOTOR_GEAR */ );
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if ((time_period < 2000) && (same_speed))
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same_speed = false;
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time_period = time_period / divider;
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if (same_speed)
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{
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for (i = 0; i < steps; i++)
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{
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slope_table[i] = static_cast<std::uint16_t>(time_period);
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sum_time += time_period;
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DBG (DBG_io, "slope_table[%d] = %d\n", i, time_period);
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}
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DBG(DBG_info, "%s: returns sum_time=%d, completed\n", __func__, sum_time);
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return sum_time;
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}
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if (time_period > MOTOR_SPEED_MAX * 5)
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{
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g = 1.0;
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start_speed = 0.05;
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same_step = 2;
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}
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else if (time_period > MOTOR_SPEED_MAX * 4)
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{
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g = 0.8;
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start_speed = 0.04;
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same_step = 2;
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}
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else if (time_period > MOTOR_SPEED_MAX * 3)
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{
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g = 0.7;
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start_speed = 0.03;
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same_step = 2;
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}
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else if (time_period > MOTOR_SPEED_MAX * 2)
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{
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g = 0.6;
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start_speed = 0.02;
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same_step = 3;
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}
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if (dev->model->motor_id == MotorId::ST24) {
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steps = 255;
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switch (static_cast<int>(yres))
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{
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case 2400:
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g = 0.1672;
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start_speed = 1.09;
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break;
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case 1200:
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g = 1;
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start_speed = 6.4;
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break;
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case 600:
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g = 0.1672;
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start_speed = 1.09;
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break;
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case 400:
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g = 0.2005;
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start_speed = 20.0 / 3.0 /*7.5 */ ;
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break;
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case 300:
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g = 0.253;
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start_speed = 2.182;
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break;
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case 150:
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g = 0.253;
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start_speed = 4.367;
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break;
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default:
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g = 0.262;
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start_speed = 7.29;
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}
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same_step = 1;
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}
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if (steps <= same_step)
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{
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time_period = static_cast<std::uint32_t>(yres * exposure_time /
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dev->motor.base_ydpi /*MOTOR_GEAR */ );
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time_period = time_period / divider;
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if (time_period > 65535)
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time_period = 65535;
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for (i = 0; i < same_step; i++)
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{
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slope_table[i] = static_cast<std::uint16_t>(time_period);
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sum_time += time_period;
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DBG (DBG_io, "slope_table[%d] = %d\n", i, time_period);
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}
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DBG(DBG_proc, "%s: returns sum_time=%d, completed\n", __func__, sum_time);
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return sum_time;
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}
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for (i = 0; i < steps; i++)
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{
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double j = static_cast<double>(i) - same_step + 1; /* start from 1/16 speed */
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if (j <= 0) {
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t = 0;
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} else {
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t = std::pow(j / (steps - same_step), g);
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}
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// time required for full steps
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time_period = static_cast<std::uint32_t>(yres * exposure_time /
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dev->motor.base_ydpi /*MOTOR_GEAR */ *
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(start_speed + (1 - start_speed) * t));
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time_period = time_period / divider;
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if (time_period > 65535) {
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time_period = 65535;
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}
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slope_table[i] = static_cast<std::uint16_t>(time_period);
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sum_time += time_period;
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DBG (DBG_io, "slope_table[%d] = %d\n", i, slope_table[i]);
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}
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DBG(DBG_proc, "%s: returns sum_time=%d, completed\n", __func__, sum_time);
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return sum_time;
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}
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/** @brief computes gamma table
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* Generates a gamma table of the given length within 0 and the given
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* maximum value
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@ -345,10 +345,6 @@ SANE_Int sanei_genesys_generate_slope_table(std::vector<uint16_t>& slope_table,
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unsigned int steps, double g,
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unsigned int *used_steps, unsigned int *vfinal);
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SANE_Int sanei_genesys_create_slope_table(Genesys_Device * dev, std::vector<uint16_t>& slope_table,
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int steps, int step_type, int exposure_time,
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bool same_speed, double yres);
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SANE_Int sanei_genesys_create_slope_table3(Genesys_Device * dev,
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std::vector<uint16_t>& slope_table, int max_step,
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unsigned int use_steps,
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