1 /* sane - Scanner Access Now Easy.
2
3 Copyright (C) 2019 Povilas Kanapickas <povilas@radix.lt>
4
5 This file is part of the SANE package.
6
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2 of the
10 License, or (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <https://www.gnu.org/licenses/>.
19
20 As a special exception, the authors of SANE give permission for
21 additional uses of the libraries contained in this release of SANE.
22
23 The exception is that, if you link a SANE library with other files
24 to produce an executable, this does not by itself cause the
25 resulting executable to be covered by the GNU General Public
26 License. Your use of that executable is in no way restricted on
27 account of linking the SANE library code into it.
28
29 This exception does not, however, invalidate any other reasons why
30 the executable file might be covered by the GNU General Public
31 License.
32
33 If you submit changes to SANE to the maintainers to be included in
34 a subsequent release, you agree by submitting the changes that
35 those changes may be distributed with this exception intact.
36
37 If you write modifications of your own for SANE, it is your choice
38 whether to permit this exception to apply to your modifications.
39 If you do not wish that, delete this exception notice.
40 */
41
42 #define DEBUG_DECLARE_ONLY
43
44 #include "device.h"
45 #include "command_set.h"
46 #include "low.h"
47 #include "utilities.h"
48
49 namespace genesys {
50
get_resolutions() const51 std::vector<unsigned> MethodResolutions::get_resolutions() const
52 {
53 std::vector<unsigned> ret;
54 std::copy(resolutions_x.begin(), resolutions_x.end(), std::back_inserter(ret));
55 std::copy(resolutions_y.begin(), resolutions_y.end(), std::back_inserter(ret));
56 // sort in decreasing order
57
58 std::sort(ret.begin(), ret.end(), std::greater<unsigned>());
59 ret.erase(std::unique(ret.begin(), ret.end()), ret.end());
60 return ret;
61 }
62
get_resolution_settings_ptr(ScanMethod method) const63 const MethodResolutions* Genesys_Model::get_resolution_settings_ptr(ScanMethod method) const
64 {
65 for (const auto& res_for_method : resolutions) {
66 for (auto res_method : res_for_method.methods) {
67 if (res_method == method) {
68 return &res_for_method;
69 }
70 }
71 }
72 return nullptr;
73
74 }
get_resolution_settings(ScanMethod method) const75 const MethodResolutions& Genesys_Model::get_resolution_settings(ScanMethod method) const
76 {
77 const auto* ptr = get_resolution_settings_ptr(method);
78 if (ptr)
79 return *ptr;
80
81 throw SaneException("Could not find resolution settings for method %d",
82 static_cast<unsigned>(method));
83 }
84
get_resolutions(ScanMethod method) const85 std::vector<unsigned> Genesys_Model::get_resolutions(ScanMethod method) const
86 {
87 return get_resolution_settings(method).get_resolutions();
88 }
89
has_method(ScanMethod method) const90 bool Genesys_Model::has_method(ScanMethod method) const
91 {
92 return get_resolution_settings_ptr(method) != nullptr;
93 }
94
95
~Genesys_Device()96 Genesys_Device::~Genesys_Device()
97 {
98 clear();
99 }
100
clear()101 void Genesys_Device::clear()
102 {
103 calib_file.clear();
104
105 calibration_cache.clear();
106
107 white_average_data.clear();
108 dark_average_data.clear();
109 }
110
get_pipeline_source()111 ImagePipelineNodeBufferedCallableSource& Genesys_Device::get_pipeline_source()
112 {
113 return static_cast<ImagePipelineNodeBufferedCallableSource&>(pipeline.front());
114 }
115
is_head_pos_known(ScanHeadId scan_head) const116 bool Genesys_Device::is_head_pos_known(ScanHeadId scan_head) const
117 {
118 switch (scan_head) {
119 case ScanHeadId::PRIMARY: return is_head_pos_primary_known_;
120 case ScanHeadId::SECONDARY: return is_head_pos_secondary_known_;
121 case ScanHeadId::ALL: return is_head_pos_primary_known_ && is_head_pos_secondary_known_;
122 default:
123 throw SaneException("Unknown scan head ID");
124 }
125 }
head_pos(ScanHeadId scan_head) const126 unsigned Genesys_Device::head_pos(ScanHeadId scan_head) const
127 {
128 switch (scan_head) {
129 case ScanHeadId::PRIMARY: return head_pos_primary_;
130 case ScanHeadId::SECONDARY: return head_pos_secondary_;
131 default:
132 throw SaneException("Unknown scan head ID");
133 }
134 }
135
set_head_pos_unknown(ScanHeadId scan_head)136 void Genesys_Device::set_head_pos_unknown(ScanHeadId scan_head)
137 {
138 if ((scan_head & ScanHeadId::PRIMARY) != ScanHeadId::NONE) {
139 is_head_pos_primary_known_ = false;
140 }
141 if ((scan_head & ScanHeadId::SECONDARY) != ScanHeadId::NONE) {
142 is_head_pos_secondary_known_ = false;
143 }
144 }
145
set_head_pos_zero(ScanHeadId scan_head)146 void Genesys_Device::set_head_pos_zero(ScanHeadId scan_head)
147 {
148 if ((scan_head & ScanHeadId::PRIMARY) != ScanHeadId::NONE) {
149 head_pos_primary_ = 0;
150 is_head_pos_primary_known_ = true;
151 }
152 if ((scan_head & ScanHeadId::SECONDARY) != ScanHeadId::NONE) {
153 head_pos_secondary_ = 0;
154 is_head_pos_secondary_known_ = true;
155 }
156 }
157
advance_head_pos_by_session(ScanHeadId scan_head)158 void Genesys_Device::advance_head_pos_by_session(ScanHeadId scan_head)
159 {
160 int motor_steps = session.params.starty +
161 (session.params.lines * motor.base_ydpi) / session.params.yres;
162 auto direction = has_flag(session.params.flags, ScanFlag::REVERSE) ? Direction::BACKWARD
163 : Direction::FORWARD;
164 advance_head_pos_by_steps(scan_head, direction, motor_steps);
165 }
166
advance_pos(unsigned & pos,Direction direction,unsigned offset)167 static void advance_pos(unsigned& pos, Direction direction, unsigned offset)
168 {
169 if (direction == Direction::FORWARD) {
170 pos += offset;
171 } else {
172 if (pos < offset) {
173 throw SaneException("Trying to advance head behind the home sensor");
174 }
175 pos -= offset;
176 }
177 }
178
advance_head_pos_by_steps(ScanHeadId scan_head,Direction direction,unsigned steps)179 void Genesys_Device::advance_head_pos_by_steps(ScanHeadId scan_head, Direction direction,
180 unsigned steps)
181 {
182 if ((scan_head & ScanHeadId::PRIMARY) != ScanHeadId::NONE) {
183 if (!is_head_pos_primary_known_) {
184 throw SaneException("Trying to advance head while scanhead position is not known");
185 }
186 advance_pos(head_pos_primary_, direction, steps);
187 }
188 if ((scan_head & ScanHeadId::SECONDARY) != ScanHeadId::NONE) {
189 if (!is_head_pos_secondary_known_) {
190 throw SaneException("Trying to advance head while scanhead position is not known");
191 }
192 advance_pos(head_pos_secondary_, direction, steps);
193 }
194 }
195
print_scan_position(std::ostream & out,const Genesys_Device & dev,ScanHeadId scan_head)196 void print_scan_position(std::ostream& out, const Genesys_Device& dev, ScanHeadId scan_head)
197 {
198 if (dev.is_head_pos_known(scan_head)) {
199 out << dev.head_pos(scan_head);
200 } else {
201 out <<"(unknown)";
202 }
203 }
204
operator <<(std::ostream & out,const Genesys_Device & dev)205 std::ostream& operator<<(std::ostream& out, const Genesys_Device& dev)
206 {
207 StreamStateSaver state_saver{out};
208
209 out << "Genesys_Device{\n"
210 << std::hex
211 << " vendorId: 0x" << dev.vendorId << '\n'
212 << " productId: 0x" << dev.productId << '\n'
213 << std::dec
214 << " usb_mode: " << dev.usb_mode << '\n'
215 << " file_name: " << dev.file_name << '\n'
216 << " calib_file: " << dev.calib_file << '\n'
217 << " force_calibration: " << dev.force_calibration << '\n'
218 << " ignore_offsets: " << dev.ignore_offsets << '\n'
219 << " model: (not printed)\n"
220 << " reg: " << format_indent_braced_list(4, dev.reg) << '\n'
221 << " initial_regs: " << format_indent_braced_list(4, dev.initial_regs) << '\n'
222 << " settings: " << format_indent_braced_list(4, dev.settings) << '\n'
223 << " frontend: " << format_indent_braced_list(4, dev.frontend) << '\n'
224 << " frontend_initial: " << format_indent_braced_list(4, dev.frontend_initial) << '\n';
225 if (!dev.memory_layout.regs.empty()) {
226 out << " memory_layout.regs: "
227 << format_indent_braced_list(4, dev.memory_layout.regs) << '\n';
228 }
229 out << " gpo.regs: " << format_indent_braced_list(4, dev.gpo.regs) << '\n'
230 << " motor: " << format_indent_braced_list(4, dev.motor) << '\n'
231 << " control[0..6]: " << std::hex
232 << static_cast<unsigned>(dev.control[0]) << ' '
233 << static_cast<unsigned>(dev.control[1]) << ' '
234 << static_cast<unsigned>(dev.control[2]) << ' '
235 << static_cast<unsigned>(dev.control[3]) << ' '
236 << static_cast<unsigned>(dev.control[4]) << ' '
237 << static_cast<unsigned>(dev.control[5]) << '\n' << std::dec
238 << " average_size: " << dev.average_size << '\n'
239 << " calib_session: " << format_indent_braced_list(4, dev.calib_session) << '\n'
240 << " gamma_override_tables[0].size(): " << dev.gamma_override_tables[0].size() << '\n'
241 << " gamma_override_tables[1].size(): " << dev.gamma_override_tables[1].size() << '\n'
242 << " gamma_override_tables[2].size(): " << dev.gamma_override_tables[2].size() << '\n'
243 << " white_average_data.size(): " << dev.white_average_data.size() << '\n'
244 << " dark_average_data.size(): " << dev.dark_average_data.size() << '\n'
245 << " already_initialized: " << dev.already_initialized << '\n'
246 << " scanhead_position[PRIMARY]: ";
247 print_scan_position(out, dev, ScanHeadId::PRIMARY);
248 out << '\n'
249 << " scanhead_position[SECONDARY]: ";
250 print_scan_position(out, dev, ScanHeadId::SECONDARY);
251 out << '\n'
252 << " read_active: " << dev.read_active << '\n'
253 << " parking: " << dev.parking << '\n'
254 << " document: " << dev.document << '\n'
255 << " total_bytes_read: " << dev.total_bytes_read << '\n'
256 << " total_bytes_to_read: " << dev.total_bytes_to_read << '\n'
257 << " session: " << format_indent_braced_list(4, dev.session) << '\n'
258 << " calibration_cache: (not printed)\n"
259 << " line_count: " << dev.line_count << '\n'
260 << " segment_order: "
261 << format_indent_braced_list(4, format_vector_unsigned(4, dev.segment_order)) << '\n'
262 << '}';
263 return out;
264 }
265
apply_reg_settings_to_device_write_only(Genesys_Device & dev,const GenesysRegisterSettingSet & regs)266 void apply_reg_settings_to_device_write_only(Genesys_Device& dev,
267 const GenesysRegisterSettingSet& regs)
268 {
269 GenesysRegisterSettingSet backup;
270 for (const auto& reg : regs) {
271 dev.interface->write_register(reg.address, reg.value);
272 }
273 }
274
apply_reg_settings_to_device(Genesys_Device & dev,const GenesysRegisterSettingSet & regs)275 void apply_reg_settings_to_device(Genesys_Device& dev, const GenesysRegisterSettingSet& regs)
276 {
277 apply_reg_settings_to_device_with_backup(dev, regs);
278 }
279
280 GenesysRegisterSettingSet
apply_reg_settings_to_device_with_backup(Genesys_Device & dev,const GenesysRegisterSettingSet & regs)281 apply_reg_settings_to_device_with_backup(Genesys_Device& dev,
282 const GenesysRegisterSettingSet& regs)
283 {
284 GenesysRegisterSettingSet backup;
285 for (const auto& reg : regs) {
286 std::uint8_t old_val = dev.interface->read_register(reg.address);
287 std::uint8_t new_val = (old_val & ~reg.mask) | (reg.value & reg.mask);
288 dev.interface->write_register(reg.address, new_val);
289
290 using SettingType = GenesysRegisterSettingSet::SettingType;
291 backup.push_back(SettingType{reg.address,
292 static_cast<std::uint8_t>(old_val & reg.mask),
293 reg.mask});
294 }
295 return backup;
296 }
297
298 } // namespace genesys
299