kopia lustrzana https://gitlab.com/sane-project/backends
HP3500: Move to scan area more quickly if it is a
long way from the home positionmerge-requests/1/head
Troy Rollo
rodzic
b1f3815014
commit
77986b1d14
167
backend/hp3500.c
167
backend/hp3500.c
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@ -1847,6 +1847,13 @@ rt_set_data_feed_on (unsigned char *regs)
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return 0;
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}
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static int
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rt_set_data_feed_off (unsigned char *regs)
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{
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regs[0xb2] |= 0x04;
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return 0;
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}
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static int
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rt_enable_ccd (unsigned char *regs, int enable)
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{
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@ -2997,9 +3004,6 @@ rts8801_fullscan (unsigned x,
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unsigned red_green_offset;
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unsigned green_blue_offset;
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unsigned total_offsets;
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unsigned top_sub_offsets;
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unsigned bottom_add_offsets;
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ires = find_resolution_index (xresolution);
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jres = find_resolution_index (yresolution);
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@ -3033,22 +3037,8 @@ rts8801_fullscan (unsigned x,
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rt_set_movement_pattern (regs, 0x800000);
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tg_setting = resparms[jres].tg;
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rt_set_ccd_shift_clock_multiplier (regs, tg_info[tg_setting].tg_cph0p);
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rt_set_ccd_clock_reset_interval (regs, tg_info[tg_setting].tg_crsp);
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rt_set_ccd_clamp_clock_multiplier (regs, tg_info[tg_setting].tg_cclpp);
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rt_set_one_register (0xc6, 0);
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rt_set_one_register (0xc6, 0);
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rt_set_step_size (regs, resparms[jres].step_size);
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rt_set_direction_forwards (regs);
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rt_set_stop_when_rewound (regs, 0);
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rt_set_data_feed_on (regs);
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rt_set_calibration_addresses (regs, 0, 0, 0, 0, 0);
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@ -3080,23 +3070,9 @@ rts8801_fullscan (unsigned x,
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rt_set_merge_channels (regs, 1);
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rt_set_colour_mode (regs, 1);
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rt_set_motor_movement_clock_multiplier (regs,
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resparms[jres].
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motor_movement_clock_multiplier);
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rt_set_cdss (regs, tg_info[tg_setting].tg_cdss1,
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tg_info[tg_setting].tg_cdss2);
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rt_set_cdsc (regs, tg_info[tg_setting].tg_cdsc1,
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tg_info[tg_setting].tg_cdsc2);
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rt_update_after_setting_cdss2 (regs);
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rt_set_last_sram_page (regs, (local_sram_size - 1) >> 5);
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regs[0x39] = resparms[jres].reg_39_value;
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regs[0xc3] = (regs[0xc3] & 0xf8) | resparms[jres].reg_c3_value;
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regs[0xc6] = (regs[0xc6] & 0xf8) | resparms[jres].reg_c6_value;
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scan_frequency = resparms[jres].scan_frequency;
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rt_set_scan_frequency (regs, scan_frequency);
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rt_set_cph0s (regs, resparms[ires].cph0s);
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if (resparms[ires].d3_bit_3_value)
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regs[0xd3] |= 0x08;
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@ -3105,8 +3081,21 @@ rts8801_fullscan (unsigned x,
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if (flags & RTS8801_F_SUPPRESS_MOVEMENT)
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regs[0xc3] &= 0x7f;
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regs[0xb2] &= 0xf7;
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rt_set_horizontal_resolution (regs, xresolution);
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rt_set_scanline_start (regs,
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x * (1200 / xresolution) /
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(resparms[ires].cph0s ? 1 : 2) /
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(resparms[ires].d3_bit_3_value ? 1 : 2));
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rt_set_scanline_end (regs,
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(x +
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w) * (1200 / xresolution) /
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(resparms[ires].cph0s ? 1 : 2) /
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(resparms[ires].d3_bit_3_value ? 1 : 2));
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if (flags & RTS8801_F_NO_DISPLACEMENTS)
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{
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red_green_offset = green_blue_offset = intra_channel_offset = 0;
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@ -3119,31 +3108,105 @@ rts8801_fullscan (unsigned x,
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}
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total_offsets = red_green_offset + green_blue_offset + intra_channel_offset;
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if (y > total_offsets + 2)
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y -= total_offsets;
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h += total_offsets;
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if (yresolution > 75 && !(flags & RTS8801_F_SUPPRESS_MOVEMENT))
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{
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top_sub_offsets = total_offsets;
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bottom_add_offsets = 0;
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}
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else
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{
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top_sub_offsets = 0;
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bottom_add_offsets = total_offsets;
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int rmres = find_resolution_index (50);
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if (rmres >= 0)
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{
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int factor = yresolution / 50;
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int fastres = y / factor;
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int remainder = y % factor;
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while (remainder < 2)
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{
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--fastres;
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remainder += factor;
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}
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if (fastres >= 3)
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{
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y = remainder;
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rt_set_noscan_distance(regs, fastres * resparms[rmres].scan_frequency - 2);
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rt_set_total_distance(regs, fastres * resparms[rmres].scan_frequency - 1);
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rt_set_scan_frequency(regs, 1);
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tg_setting = resparms[rmres].tg;
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rt_set_ccd_shift_clock_multiplier (regs, tg_info[tg_setting].tg_cph0p);
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rt_set_ccd_clock_reset_interval (regs, tg_info[tg_setting].tg_crsp);
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rt_set_ccd_clamp_clock_multiplier (regs, tg_info[tg_setting].tg_cclpp);
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rt_set_one_register (0xc6, 0);
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rt_set_one_register (0xc6, 0);
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rt_set_step_size (regs, resparms[rmres].step_size);
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rt_set_motor_movement_clock_multiplier (regs,
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resparms[rmres].
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motor_movement_clock_multiplier);
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rt_set_cdss (regs, tg_info[tg_setting].tg_cdss1,
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tg_info[tg_setting].tg_cdss2);
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rt_set_cdsc (regs, tg_info[tg_setting].tg_cdsc1,
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tg_info[tg_setting].tg_cdsc2);
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rt_update_after_setting_cdss2 (regs);
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regs[0x39] = resparms[rmres].reg_39_value;
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regs[0xc3] = (regs[0xc3] & 0xf8) | resparms[rmres].reg_c3_value;
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regs[0xc6] = (regs[0xc6] & 0xf8) | resparms[rmres].reg_c6_value;
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rt_set_data_feed_off (regs);
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rt_set_all_registers (regs);
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rt_set_one_register (0x2c, regs[0x2c]);
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if (DBG_LEVEL >= 5)
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dump_registers (regs);
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rt_start_moving ();
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while (rt_is_moving ());
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}
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}
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}
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rt_set_noscan_distance (regs, (y - top_sub_offsets) * scan_frequency - 1);
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rt_set_total_distance (regs, scan_frequency *
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(y +
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h +
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bottom_add_offsets) - 1);
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rt_set_scanline_start (regs,
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x * (1200 / xresolution) /
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(resparms[ires].cph0s ? 1 : 2) /
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(resparms[ires].d3_bit_3_value ? 1 : 2));
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rt_set_scanline_end (regs,
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(x +
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w) * (1200 / xresolution) /
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(resparms[ires].cph0s ? 1 : 2) /
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(resparms[ires].d3_bit_3_value ? 1 : 2));
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rt_set_noscan_distance (regs, y * scan_frequency - 1);
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rt_set_total_distance (regs, scan_frequency * (y + h) - 1);
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rt_set_scan_frequency (regs, scan_frequency);
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tg_setting = resparms[jres].tg;
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rt_set_ccd_shift_clock_multiplier (regs, tg_info[tg_setting].tg_cph0p);
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rt_set_ccd_clock_reset_interval (regs, tg_info[tg_setting].tg_crsp);
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rt_set_ccd_clamp_clock_multiplier (regs, tg_info[tg_setting].tg_cclpp);
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rt_set_one_register (0xc6, 0);
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rt_set_one_register (0xc6, 0);
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rt_set_step_size (regs, resparms[jres].step_size);
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rt_set_motor_movement_clock_multiplier (regs,
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resparms[jres].
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motor_movement_clock_multiplier);
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rt_set_cdss (regs, tg_info[tg_setting].tg_cdss1,
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tg_info[tg_setting].tg_cdss2);
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rt_set_cdsc (regs, tg_info[tg_setting].tg_cdsc1,
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tg_info[tg_setting].tg_cdsc2);
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rt_update_after_setting_cdss2 (regs);
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regs[0x39] = resparms[jres].reg_39_value;
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regs[0xc3] = (regs[0xc3] & 0xf8) | resparms[jres].reg_c3_value;
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regs[0xc6] = (regs[0xc6] & 0xf8) | resparms[jres].reg_c6_value;
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rt_set_data_feed_on (regs);
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rt_set_all_registers (regs);
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