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06a3e78a DJ |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com> | |
e131be0a | 5 | * Copyright (C) 2018 Guido Trentalancia <guido@trentalancia.com> |
06a3e78a DJ |
6 | * |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU 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 <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
6ec6c43b | 21 | #include <config.h> |
650847e7 UH |
22 | #include <math.h> |
23 | #include <stdlib.h> | |
5a1afc09 | 24 | #include "scpi.h" |
06a3e78a DJ |
25 | #include "protocol.h" |
26 | ||
e06875b2 GS |
27 | SR_PRIV void hmo_queue_logic_data(struct dev_context *devc, |
28 | size_t group, GByteArray *pod_data); | |
29 | SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi, | |
30 | struct dev_context *devc); | |
31 | SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc); | |
32 | ||
13f2b9d7 | 33 | static const char *hameg_scpi_dialect[] = { |
e131be0a GT |
34 | [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;:POD%d:DATA?", |
35 | [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?", | |
36 | [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s", | |
37 | [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?", | |
38 | [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s", | |
39 | [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?", | |
40 | [SCPI_CMD_GET_SAMPLE_RATE_LIVE] = ":%s:DATA:POINTS?", | |
41 | [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \ | |
42 | ":FORM REAL,32;:CHAN%d:DATA?", | |
43 | [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?", | |
44 | [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %s", | |
45 | [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?", | |
46 | [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d", | |
47 | [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?", | |
c8ecfa6e | 48 | [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s", |
4fa4db2c GT |
49 | [SCPI_CMD_GET_TRIGGER_PATTERN] = ":TRIG:A:PATT:SOUR?", |
50 | [SCPI_CMD_SET_TRIGGER_PATTERN] = ":TRIG:A:TYPE LOGIC;" \ | |
51 | ":TRIG:A:PATT:FUNC AND;" \ | |
52 | ":TRIG:A:PATT:COND TRUE;" \ | |
53 | ":TRIG:A:PATT:MODE OFF;" \ | |
54 | ":TRIG:A:PATT:SOUR \"%s\"", | |
e131be0a GT |
55 | [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?", |
56 | [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s", | |
57 | [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?", | |
58 | [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d", | |
59 | [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?", | |
60 | [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?", | |
61 | [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s", | |
62 | [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?", | |
63 | [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d", | |
64 | [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?", | |
65 | [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":POD%d:THR?", | |
66 | [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":POD%d:THR %s", | |
67 | [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d?", | |
68 | [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d %s", | |
13f2b9d7 DJ |
69 | }; |
70 | ||
4b25cbff | 71 | static const uint32_t devopts[] = { |
13f2b9d7 | 72 | SR_CONF_OSCILLOSCOPE, |
d779dcac | 73 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
a1b61e6e | 74 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET, |
86621306 | 75 | SR_CONF_SAMPLERATE | SR_CONF_GET, |
5827f61b | 76 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
bf622e6d | 77 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
5827f61b | 78 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, |
86621306 UH |
79 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
80 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
4fa4db2c | 81 | SR_CONF_TRIGGER_PATTERN | SR_CONF_GET | SR_CONF_SET, |
13f2b9d7 DJ |
82 | }; |
83 | ||
6b82c3e5 | 84 | static const uint32_t devopts_cg_analog[] = { |
5827f61b | 85 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
5827f61b | 86 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
86621306 | 87 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
13f2b9d7 DJ |
88 | }; |
89 | ||
e131be0a GT |
90 | static const uint32_t devopts_cg_digital[] = { |
91 | SR_CONF_LOGIC_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
92 | SR_CONF_LOGIC_THRESHOLD_CUSTOM | SR_CONF_GET | SR_CONF_SET, | |
93 | }; | |
94 | ||
4b25cbff | 95 | static const char *coupling_options[] = { |
b05ab7d2 SB |
96 | "AC", // AC with 50 Ohm termination (152x, 202x, 30xx, 1202) |
97 | "ACL", // AC with 1 MOhm termination | |
98 | "DC", // DC with 50 Ohm termination | |
99 | "DCL", // DC with 1 MOhm termination | |
13f2b9d7 | 100 | "GND", |
13f2b9d7 DJ |
101 | }; |
102 | ||
103 | static const char *scope_trigger_slopes[] = { | |
104 | "POS", | |
105 | "NEG", | |
356f64f8 | 106 | "EITH", |
13f2b9d7 DJ |
107 | }; |
108 | ||
e131be0a GT |
109 | /* Predefined logic thresholds. */ |
110 | static const char *logic_threshold[] = { | |
111 | "TTL", | |
112 | "ECL", | |
113 | "CMOS", | |
114 | "USER1", | |
115 | "USER2", // overwritten by logic_threshold_custom, use USER1 for permanent setting | |
116 | }; | |
117 | ||
4cf90b86 | 118 | /* RTC1002, HMO Compact2 and HMO1002/HMO1202 */ |
6d0f3508 | 119 | static const char *an2_dig8_trigger_sources[] = { |
f8195cb2 UH |
120 | "CH1", "CH2", |
121 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
122 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
13f2b9d7 DJ |
123 | }; |
124 | ||
4cf90b86 | 125 | /* HMO3xx2 */ |
6d0f3508 GT |
126 | static const char *an2_dig16_trigger_sources[] = { |
127 | "CH1", "CH2", | |
128 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
129 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
130 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
131 | }; | |
132 | ||
4cf90b86 | 133 | /* HMO Compact4 */ |
6d0f3508 | 134 | static const char *an4_dig8_trigger_sources[] = { |
f8195cb2 UH |
135 | "CH1", "CH2", "CH3", "CH4", |
136 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
137 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
13f2b9d7 DJ |
138 | }; |
139 | ||
4cf90b86 | 140 | /* HMO3xx4 and HMO2524 */ |
6d0f3508 | 141 | static const char *an4_dig16_trigger_sources[] = { |
f8195cb2 UH |
142 | "CH1", "CH2", "CH3", "CH4", |
143 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
144 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
145 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
74413faf GS |
146 | }; |
147 | ||
4b25cbff | 148 | static const uint64_t timebases[][2] = { |
13f2b9d7 DJ |
149 | /* nanoseconds */ |
150 | { 2, 1000000000 }, | |
151 | { 5, 1000000000 }, | |
152 | { 10, 1000000000 }, | |
153 | { 20, 1000000000 }, | |
154 | { 50, 1000000000 }, | |
155 | { 100, 1000000000 }, | |
156 | { 200, 1000000000 }, | |
157 | { 500, 1000000000 }, | |
158 | /* microseconds */ | |
159 | { 1, 1000000 }, | |
160 | { 2, 1000000 }, | |
161 | { 5, 1000000 }, | |
162 | { 10, 1000000 }, | |
163 | { 20, 1000000 }, | |
164 | { 50, 1000000 }, | |
165 | { 100, 1000000 }, | |
166 | { 200, 1000000 }, | |
167 | { 500, 1000000 }, | |
168 | /* milliseconds */ | |
169 | { 1, 1000 }, | |
170 | { 2, 1000 }, | |
171 | { 5, 1000 }, | |
172 | { 10, 1000 }, | |
173 | { 20, 1000 }, | |
174 | { 50, 1000 }, | |
175 | { 100, 1000 }, | |
176 | { 200, 1000 }, | |
177 | { 500, 1000 }, | |
178 | /* seconds */ | |
179 | { 1, 1 }, | |
180 | { 2, 1 }, | |
181 | { 5, 1 }, | |
182 | { 10, 1 }, | |
183 | { 20, 1 }, | |
184 | { 50, 1 }, | |
185 | }; | |
186 | ||
4b25cbff | 187 | static const uint64_t vdivs[][2] = { |
13f2b9d7 DJ |
188 | /* millivolts */ |
189 | { 1, 1000 }, | |
190 | { 2, 1000 }, | |
191 | { 5, 1000 }, | |
192 | { 10, 1000 }, | |
193 | { 20, 1000 }, | |
194 | { 50, 1000 }, | |
195 | { 100, 1000 }, | |
196 | { 200, 1000 }, | |
197 | { 500, 1000 }, | |
198 | /* volts */ | |
199 | { 1, 1 }, | |
200 | { 2, 1 }, | |
201 | { 5, 1 }, | |
202 | { 10, 1 }, | |
fe227d17 SA |
203 | { 20, 1 }, |
204 | { 50, 1 }, | |
13f2b9d7 DJ |
205 | }; |
206 | ||
ba7dd8bb | 207 | static const char *scope_analog_channel_names[] = { |
f8195cb2 | 208 | "CH1", "CH2", "CH3", "CH4", |
13f2b9d7 DJ |
209 | }; |
210 | ||
ba7dd8bb | 211 | static const char *scope_digital_channel_names[] = { |
f8195cb2 UH |
212 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", |
213 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
13f2b9d7 DJ |
214 | }; |
215 | ||
329733d9 | 216 | static const struct scope_config scope_models[] = { |
13f2b9d7 | 217 | { |
4cf90b86 GT |
218 | /* RTC1002 and HMO722/1002/1022/1202/1522/2022 support only 8 digital channels. */ |
219 | .name = {"RTC1002", "HMO722", "HMO1002", "HMO1022", "HMO1202", "HMO1522", "HMO2022", NULL}, | |
13f2b9d7 DJ |
220 | .analog_channels = 2, |
221 | .digital_channels = 8, | |
222 | .digital_pods = 1, | |
223 | ||
ba7dd8bb UH |
224 | .analog_names = &scope_analog_channel_names, |
225 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 226 | |
4b25cbff UH |
227 | .devopts = &devopts, |
228 | .num_devopts = ARRAY_SIZE(devopts), | |
13f2b9d7 | 229 | |
6b82c3e5 UH |
230 | .devopts_cg_analog = &devopts_cg_analog, |
231 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
13f2b9d7 | 232 | |
e131be0a GT |
233 | .devopts_cg_digital = &devopts_cg_digital, |
234 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
235 | ||
4b25cbff | 236 | .coupling_options = &coupling_options, |
692716f5 UH |
237 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
238 | ||
e131be0a GT |
239 | .logic_threshold = &logic_threshold, |
240 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
241 | ||
6d0f3508 GT |
242 | .trigger_sources = &an2_dig8_trigger_sources, |
243 | .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources), | |
244 | ||
245 | .trigger_slopes = &scope_trigger_slopes, | |
246 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), | |
247 | ||
248 | .timebases = &timebases, | |
249 | .num_timebases = ARRAY_SIZE(timebases), | |
250 | ||
251 | .vdivs = &vdivs, | |
252 | .num_vdivs = ARRAY_SIZE(vdivs), | |
253 | ||
254 | .num_xdivs = 12, | |
255 | .num_ydivs = 8, | |
256 | ||
257 | .scpi_dialect = &hameg_scpi_dialect, | |
258 | }, | |
259 | { | |
260 | /* HMO3032/3042/3052/3522 support 16 digital channels. */ | |
261 | .name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL}, | |
262 | .analog_channels = 2, | |
263 | .digital_channels = 16, | |
264 | .digital_pods = 2, | |
265 | ||
266 | .analog_names = &scope_analog_channel_names, | |
267 | .digital_names = &scope_digital_channel_names, | |
268 | ||
269 | .devopts = &devopts, | |
270 | .num_devopts = ARRAY_SIZE(devopts), | |
271 | ||
272 | .devopts_cg_analog = &devopts_cg_analog, | |
273 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
274 | ||
e131be0a GT |
275 | .devopts_cg_digital = &devopts_cg_digital, |
276 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
277 | ||
6d0f3508 GT |
278 | .coupling_options = &coupling_options, |
279 | .num_coupling_options = ARRAY_SIZE(coupling_options), | |
280 | ||
e131be0a GT |
281 | .logic_threshold = &logic_threshold, |
282 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
283 | ||
6d0f3508 GT |
284 | .trigger_sources = &an2_dig16_trigger_sources, |
285 | .num_trigger_sources = ARRAY_SIZE(an2_dig16_trigger_sources), | |
692716f5 | 286 | |
13f2b9d7 | 287 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 288 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
13f2b9d7 | 289 | |
4b25cbff UH |
290 | .timebases = &timebases, |
291 | .num_timebases = ARRAY_SIZE(timebases), | |
13f2b9d7 | 292 | |
4b25cbff UH |
293 | .vdivs = &vdivs, |
294 | .num_vdivs = ARRAY_SIZE(vdivs), | |
13f2b9d7 DJ |
295 | |
296 | .num_xdivs = 12, | |
297 | .num_ydivs = 8, | |
298 | ||
299 | .scpi_dialect = &hameg_scpi_dialect, | |
300 | }, | |
301 | { | |
74413faf | 302 | .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL}, |
13f2b9d7 DJ |
303 | .analog_channels = 4, |
304 | .digital_channels = 8, | |
305 | .digital_pods = 1, | |
306 | ||
ba7dd8bb UH |
307 | .analog_names = &scope_analog_channel_names, |
308 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 309 | |
4b25cbff UH |
310 | .devopts = &devopts, |
311 | .num_devopts = ARRAY_SIZE(devopts), | |
13f2b9d7 | 312 | |
6b82c3e5 UH |
313 | .devopts_cg_analog = &devopts_cg_analog, |
314 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
13f2b9d7 | 315 | |
e131be0a GT |
316 | .devopts_cg_digital = &devopts_cg_digital, |
317 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
318 | ||
4b25cbff | 319 | .coupling_options = &coupling_options, |
692716f5 UH |
320 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
321 | ||
e131be0a GT |
322 | .logic_threshold = &logic_threshold, |
323 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
324 | ||
6d0f3508 GT |
325 | .trigger_sources = &an4_dig8_trigger_sources, |
326 | .num_trigger_sources = ARRAY_SIZE(an4_dig8_trigger_sources), | |
692716f5 | 327 | |
13f2b9d7 | 328 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 329 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
13f2b9d7 | 330 | |
4b25cbff UH |
331 | .timebases = &timebases, |
332 | .num_timebases = ARRAY_SIZE(timebases), | |
13f2b9d7 | 333 | |
4b25cbff UH |
334 | .vdivs = &vdivs, |
335 | .num_vdivs = ARRAY_SIZE(vdivs), | |
13f2b9d7 DJ |
336 | |
337 | .num_xdivs = 12, | |
338 | .num_ydivs = 8, | |
339 | ||
74413faf GS |
340 | .scpi_dialect = &hameg_scpi_dialect, |
341 | }, | |
342 | { | |
bf8a02b6 | 343 | .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", "HMO3524", NULL}, |
74413faf GS |
344 | .analog_channels = 4, |
345 | .digital_channels = 16, | |
346 | .digital_pods = 2, | |
347 | ||
348 | .analog_names = &scope_analog_channel_names, | |
349 | .digital_names = &scope_digital_channel_names, | |
350 | ||
4b25cbff UH |
351 | .devopts = &devopts, |
352 | .num_devopts = ARRAY_SIZE(devopts), | |
74413faf | 353 | |
6b82c3e5 UH |
354 | .devopts_cg_analog = &devopts_cg_analog, |
355 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
74413faf | 356 | |
e131be0a GT |
357 | .devopts_cg_digital = &devopts_cg_digital, |
358 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
359 | ||
4b25cbff | 360 | .coupling_options = &coupling_options, |
692716f5 UH |
361 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
362 | ||
e131be0a GT |
363 | .logic_threshold = &logic_threshold, |
364 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
365 | ||
6d0f3508 GT |
366 | .trigger_sources = &an4_dig16_trigger_sources, |
367 | .num_trigger_sources = ARRAY_SIZE(an4_dig16_trigger_sources), | |
692716f5 | 368 | |
74413faf | 369 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 370 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
74413faf | 371 | |
4b25cbff UH |
372 | .timebases = &timebases, |
373 | .num_timebases = ARRAY_SIZE(timebases), | |
74413faf | 374 | |
4b25cbff UH |
375 | .vdivs = &vdivs, |
376 | .num_vdivs = ARRAY_SIZE(vdivs), | |
74413faf GS |
377 | |
378 | .num_xdivs = 12, | |
379 | .num_ydivs = 8, | |
380 | ||
13f2b9d7 DJ |
381 | .scpi_dialect = &hameg_scpi_dialect, |
382 | }, | |
383 | }; | |
384 | ||
329733d9 | 385 | static void scope_state_dump(const struct scope_config *config, |
13f2b9d7 DJ |
386 | struct scope_state *state) |
387 | { | |
388 | unsigned int i; | |
8de2dc3b | 389 | char *tmp; |
13f2b9d7 | 390 | |
0a1f7b09 | 391 | for (i = 0; i < config->analog_channels; i++) { |
8de2dc3b DJ |
392 | tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0], |
393 | (*config->vdivs)[state->analog_channels[i].vdiv][1]); | |
d9251a2c | 394 | sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)", |
8de2dc3b | 395 | i + 1, state->analog_channels[i].state ? "On" : "Off", |
13f2b9d7 | 396 | (*config->coupling_options)[state->analog_channels[i].coupling], |
8de2dc3b | 397 | tmp, state->analog_channels[i].vertical_offset); |
13f2b9d7 DJ |
398 | } |
399 | ||
0a1f7b09 | 400 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
401 | sr_info("State of digital channel %d -> %s", i, |
402 | state->digital_channels[i] ? "On" : "Off"); | |
403 | } | |
404 | ||
0a1f7b09 | 405 | for (i = 0; i < config->digital_pods; i++) { |
e131be0a GT |
406 | if (strncmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold], 4)) |
407 | sr_info("State of digital POD %d -> %s : %s (threshold)", i, | |
408 | state->digital_pods[i].state ? "On" : "Off", | |
409 | (*config->logic_threshold)[state->digital_pods[i].threshold]); | |
410 | else // user-defined or custom logic threshold | |
411 | sr_info("State of digital POD %d -> %s : %E (threshold)", i, | |
412 | state->digital_pods[i].state ? "On" : "Off", | |
413 | state->digital_pods[i].user_threshold); | |
13f2b9d7 DJ |
414 | } |
415 | ||
6984cfb2 SA |
416 | tmp = sr_period_string((*config->timebases)[state->timebase][0], |
417 | (*config->timebases)[state->timebase][1]); | |
8de2dc3b DJ |
418 | sr_info("Current timebase: %s", tmp); |
419 | g_free(tmp); | |
420 | ||
14a2f74d DJ |
421 | tmp = sr_samplerate_string(state->sample_rate); |
422 | sr_info("Current samplerate: %s", tmp); | |
423 | g_free(tmp); | |
424 | ||
4fa4db2c GT |
425 | if (!strcmp("PATT", (*config->trigger_sources)[state->trigger_source])) |
426 | sr_info("Current trigger: %s (pattern), %.2f (offset)", | |
427 | state->trigger_pattern, | |
428 | state->horiz_triggerpos); | |
429 | else // Edge (slope) trigger | |
430 | sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)", | |
431 | (*config->trigger_sources)[state->trigger_source], | |
432 | (*config->trigger_slopes)[state->trigger_slope], | |
433 | state->horiz_triggerpos); | |
13f2b9d7 DJ |
434 | } |
435 | ||
23f43dff | 436 | static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi, |
692716f5 | 437 | const char *command, const char *(*array)[], unsigned int n, int *result) |
13f2b9d7 DJ |
438 | { |
439 | char *tmp; | |
bd633efa | 440 | int idx; |
13f2b9d7 | 441 | |
23f43dff | 442 | if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) { |
89280b1a | 443 | g_free(tmp); |
13f2b9d7 DJ |
444 | return SR_ERR; |
445 | } | |
446 | ||
bd633efa | 447 | if ((idx = std_str_idx_s(tmp, *array, n)) < 0) { |
13f2b9d7 | 448 | g_free(tmp); |
bd633efa | 449 | return SR_ERR_ARG; |
13f2b9d7 DJ |
450 | } |
451 | ||
bd633efa UH |
452 | *result = idx; |
453 | ||
454 | g_free(tmp); | |
455 | ||
13f2b9d7 DJ |
456 | return SR_OK; |
457 | } | |
458 | ||
8fff7519 | 459 | /** |
a53acd7d SB |
460 | * This function takes a value of the form "2.000E-03" and returns the index |
461 | * of an array where a matching pair was found. | |
8fff7519 SA |
462 | * |
463 | * @param value The string to be parsed. | |
464 | * @param array The array of s/f pairs. | |
465 | * @param array_len The number of pairs in the array. | |
466 | * @param result The index at which a matching pair was found. | |
467 | * | |
468 | * @return SR_ERR on any parsing error, SR_OK otherwise. | |
469 | */ | |
470 | static int array_float_get(gchar *value, const uint64_t array[][2], | |
650847e7 | 471 | int array_len, unsigned int *result) |
8fff7519 | 472 | { |
a53acd7d SB |
473 | struct sr_rational rval; |
474 | struct sr_rational aval; | |
8cccbac8 | 475 | |
a53acd7d | 476 | if (sr_parse_rational(value, &rval) != SR_OK) |
8fff7519 SA |
477 | return SR_ERR; |
478 | ||
a53acd7d SB |
479 | for (int i = 0; i < array_len; i++) { |
480 | sr_rational_set(&aval, array[i][0], array[i][1]); | |
481 | if (sr_rational_eq(&rval, &aval)) { | |
8fff7519 SA |
482 | *result = i; |
483 | return SR_OK; | |
484 | } | |
485 | } | |
486 | ||
487 | return SR_ERR; | |
488 | } | |
489 | ||
bd70ec4b SB |
490 | static struct sr_channel *get_channel_by_index_and_type(GSList *channel_lhead, |
491 | int index, int type) | |
492 | { | |
493 | while (channel_lhead) { | |
494 | struct sr_channel *ch = channel_lhead->data; | |
495 | if (ch->index == index && ch->type == type) | |
496 | return ch; | |
497 | ||
498 | channel_lhead = channel_lhead->next; | |
499 | } | |
500 | ||
501 | return 0; | |
502 | } | |
503 | ||
504 | static int analog_channel_state_get(struct sr_dev_inst *sdi, | |
329733d9 | 505 | const struct scope_config *config, |
13f2b9d7 DJ |
506 | struct scope_state *state) |
507 | { | |
8de2dc3b | 508 | unsigned int i, j; |
13f2b9d7 | 509 | char command[MAX_COMMAND_SIZE]; |
8fff7519 | 510 | char *tmp_str; |
bd70ec4b SB |
511 | struct sr_channel *ch; |
512 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
13f2b9d7 | 513 | |
0a1f7b09 | 514 | for (i = 0; i < config->analog_channels; i++) { |
13f2b9d7 DJ |
515 | g_snprintf(command, sizeof(command), |
516 | (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE], | |
517 | i + 1); | |
518 | ||
23f43dff | 519 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
520 | &state->analog_channels[i].state) != SR_OK) |
521 | return SR_ERR; | |
522 | ||
bd70ec4b SB |
523 | ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_ANALOG); |
524 | if (ch) | |
525 | ch->enabled = state->analog_channels[i].state; | |
526 | ||
13f2b9d7 DJ |
527 | g_snprintf(command, sizeof(command), |
528 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV], | |
529 | i + 1); | |
530 | ||
8fff7519 | 531 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) |
8de2dc3b | 532 | return SR_ERR; |
8fff7519 | 533 | |
53012da6 | 534 | if (array_float_get(tmp_str, ARRAY_AND_SIZE(vdivs), &j) != SR_OK) { |
8fff7519 | 535 | g_free(tmp_str); |
b4e31d2a | 536 | sr_err("Could not determine array index for vertical div scale."); |
13f2b9d7 | 537 | return SR_ERR; |
b4e31d2a | 538 | } |
13f2b9d7 | 539 | |
8fff7519 SA |
540 | g_free(tmp_str); |
541 | state->analog_channels[i].vdiv = j; | |
542 | ||
13f2b9d7 DJ |
543 | g_snprintf(command, sizeof(command), |
544 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET], | |
545 | i + 1); | |
546 | ||
23f43dff | 547 | if (sr_scpi_get_float(scpi, command, |
13f2b9d7 DJ |
548 | &state->analog_channels[i].vertical_offset) != SR_OK) |
549 | return SR_ERR; | |
550 | ||
551 | g_snprintf(command, sizeof(command), | |
552 | (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING], | |
553 | i + 1); | |
554 | ||
23f43dff | 555 | if (scope_state_get_array_option(scpi, command, config->coupling_options, |
692716f5 | 556 | config->num_coupling_options, |
13f2b9d7 DJ |
557 | &state->analog_channels[i].coupling) != SR_OK) |
558 | return SR_ERR; | |
448e81b1 SB |
559 | |
560 | g_snprintf(command, sizeof(command), | |
561 | (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT], | |
562 | i + 1); | |
563 | ||
564 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) | |
565 | return SR_ERR; | |
566 | ||
567 | if (tmp_str[0] == 'A') | |
568 | state->analog_channels[i].probe_unit = 'A'; | |
569 | else | |
570 | state->analog_channels[i].probe_unit = 'V'; | |
571 | g_free(tmp_str); | |
13f2b9d7 DJ |
572 | } |
573 | ||
574 | return SR_OK; | |
575 | } | |
576 | ||
bd70ec4b | 577 | static int digital_channel_state_get(struct sr_dev_inst *sdi, |
329733d9 | 578 | const struct scope_config *config, |
13f2b9d7 DJ |
579 | struct scope_state *state) |
580 | { | |
581 | unsigned int i; | |
e131be0a GT |
582 | int result = SR_ERR; |
583 | static char *logic_threshold_short[] = {}; | |
13f2b9d7 | 584 | char command[MAX_COMMAND_SIZE]; |
bd70ec4b SB |
585 | struct sr_channel *ch; |
586 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
13f2b9d7 | 587 | |
0a1f7b09 | 588 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
589 | g_snprintf(command, sizeof(command), |
590 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE], | |
591 | i); | |
592 | ||
23f43dff | 593 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
594 | &state->digital_channels[i]) != SR_OK) |
595 | return SR_ERR; | |
bd70ec4b SB |
596 | |
597 | ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_LOGIC); | |
598 | if (ch) | |
599 | ch->enabled = state->digital_channels[i]; | |
13f2b9d7 DJ |
600 | } |
601 | ||
e131be0a GT |
602 | /* According to the SCPI standard, the response to the command |
603 | * SCPI_CMD_GET_DIG_POD_THRESHOLD might return "USER" instead of | |
604 | * "USER1". | |
605 | * | |
606 | * This makes more difficult to validate the response when the logic | |
607 | * threshold is set to "USER1" and therefore we need to prevent device | |
608 | * opening failures in such configuration case... | |
609 | */ | |
610 | for (i = 0; i < config->num_logic_threshold; i++) { | |
611 | logic_threshold_short[i] = g_strdup((*config->logic_threshold)[i]); | |
612 | if (!strcmp("USER1", (*config->logic_threshold)[i])) | |
613 | g_strlcpy(logic_threshold_short[i], | |
614 | (*config->logic_threshold)[i], strlen((*config->logic_threshold)[i])); | |
615 | } | |
616 | ||
0a1f7b09 | 617 | for (i = 0; i < config->digital_pods; i++) { |
13f2b9d7 DJ |
618 | g_snprintf(command, sizeof(command), |
619 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE], | |
620 | i + 1); | |
621 | ||
23f43dff | 622 | if (sr_scpi_get_bool(scpi, command, |
e131be0a GT |
623 | &state->digital_pods[i].state) != SR_OK) |
624 | goto exit; | |
625 | ||
626 | g_snprintf(command, sizeof(command), | |
627 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD], | |
628 | i + 1); | |
629 | ||
630 | /* Check for both standard and shortened responses. */ | |
631 | if (scope_state_get_array_option(scpi, command, config->logic_threshold, | |
632 | config->num_logic_threshold, | |
633 | &state->digital_pods[i].threshold) != SR_OK) | |
634 | if (scope_state_get_array_option(scpi, command, (const char * (*)[]) &logic_threshold_short, | |
635 | config->num_logic_threshold, | |
636 | &state->digital_pods[i].threshold) != SR_OK) | |
637 | goto exit; | |
638 | ||
639 | if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
640 | g_snprintf(command, sizeof(command), | |
641 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD], | |
642 | i + 1, 1); // USER1 logic threshold setting | |
643 | ||
644 | if (!strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
645 | g_snprintf(command, sizeof(command), | |
646 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD], | |
647 | i + 1, 2); // USER2 for custom logic_threshold setting | |
648 | ||
649 | if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]) || | |
650 | !strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
651 | if (sr_scpi_get_float(scpi, command, | |
652 | &state->digital_pods[i].user_threshold) != SR_OK) | |
653 | goto exit; | |
13f2b9d7 DJ |
654 | } |
655 | ||
e131be0a GT |
656 | result = SR_OK; |
657 | ||
658 | exit: | |
659 | for (i = 0; i < config->num_logic_threshold; i++) | |
660 | g_free(logic_threshold_short[i]); | |
661 | ||
662 | return result; | |
13f2b9d7 DJ |
663 | } |
664 | ||
14a2f74d DJ |
665 | SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi) |
666 | { | |
667 | struct dev_context *devc; | |
668 | struct scope_state *state; | |
329733d9 | 669 | const struct scope_config *config; |
14a2f74d DJ |
670 | int tmp; |
671 | unsigned int i; | |
672 | float tmp_float; | |
673 | gboolean channel_found; | |
674 | char tmp_str[MAX_COMMAND_SIZE]; | |
675 | char chan_name[20]; | |
676 | ||
677 | devc = sdi->priv; | |
678 | config = devc->model_config; | |
679 | state = devc->model_state; | |
680 | channel_found = FALSE; | |
681 | ||
0a1f7b09 | 682 | for (i = 0; i < config->analog_channels; i++) { |
3782e571 UH |
683 | if (!state->analog_channels[i].state) |
684 | continue; | |
685 | g_snprintf(chan_name, sizeof(chan_name), "CHAN%d", i + 1); | |
686 | g_snprintf(tmp_str, sizeof(tmp_str), | |
687 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
688 | chan_name); | |
689 | channel_found = TRUE; | |
690 | break; | |
691 | } | |
692 | ||
693 | if (!channel_found) { | |
694 | for (i = 0; i < config->digital_pods; i++) { | |
e131be0a | 695 | if (!state->digital_pods[i].state) |
3782e571 UH |
696 | continue; |
697 | g_snprintf(chan_name, sizeof(chan_name), "POD%d", i); | |
14a2f74d DJ |
698 | g_snprintf(tmp_str, sizeof(tmp_str), |
699 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
700 | chan_name); | |
701 | channel_found = TRUE; | |
702 | break; | |
703 | } | |
704 | } | |
705 | ||
14a2f74d DJ |
706 | /* No channel is active, ask the instrument for the sample rate |
707 | * in single shot mode */ | |
708 | if (!channel_found) { | |
c06c24d2 DJ |
709 | if (sr_scpi_get_float(sdi->conn, |
710 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE], | |
711 | &tmp_float) != SR_OK) | |
14a2f74d | 712 | return SR_ERR; |
c06c24d2 | 713 | |
14a2f74d DJ |
714 | state->sample_rate = tmp_float; |
715 | } else { | |
716 | if (sr_scpi_get_int(sdi->conn, tmp_str, &tmp) != SR_OK) | |
717 | return SR_ERR; | |
718 | state->sample_rate = tmp / (((float) (*config->timebases)[state->timebase][0] / | |
719 | (*config->timebases)[state->timebase][1]) * | |
720 | config->num_xdivs); | |
721 | } | |
722 | ||
723 | return SR_OK; | |
724 | } | |
725 | ||
719eff68 | 726 | SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
727 | { |
728 | struct dev_context *devc; | |
729 | struct scope_state *state; | |
329733d9 | 730 | const struct scope_config *config; |
8de2dc3b DJ |
731 | float tmp_float; |
732 | unsigned int i; | |
8cccbac8 | 733 | char *tmp_str; |
13f2b9d7 DJ |
734 | |
735 | devc = sdi->priv; | |
736 | config = devc->model_config; | |
737 | state = devc->model_state; | |
738 | ||
8de2dc3b DJ |
739 | sr_info("Fetching scope state"); |
740 | ||
bd70ec4b | 741 | if (analog_channel_state_get(sdi, config, state) != SR_OK) |
13f2b9d7 DJ |
742 | return SR_ERR; |
743 | ||
bd70ec4b | 744 | if (digital_channel_state_get(sdi, config, state) != SR_OK) |
13f2b9d7 DJ |
745 | return SR_ERR; |
746 | ||
89280b1a UH |
747 | if (sr_scpi_get_float(sdi->conn, |
748 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
8de2dc3b DJ |
749 | &tmp_float) != SR_OK) |
750 | return SR_ERR; | |
751 | ||
8cccbac8 SA |
752 | if (sr_scpi_get_string(sdi->conn, |
753 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
754 | &tmp_str) != SR_OK) | |
755 | return SR_ERR; | |
756 | ||
53012da6 | 757 | if (array_float_get(tmp_str, ARRAY_AND_SIZE(timebases), &i) != SR_OK) { |
8cccbac8 | 758 | g_free(tmp_str); |
b4e31d2a | 759 | sr_err("Could not determine array index for time base."); |
13f2b9d7 | 760 | return SR_ERR; |
b4e31d2a | 761 | } |
e5b7eef7 | 762 | g_free(tmp_str); |
13f2b9d7 | 763 | |
8cccbac8 SA |
764 | state->timebase = i; |
765 | ||
89280b1a UH |
766 | if (sr_scpi_get_float(sdi->conn, |
767 | (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS], | |
422a1c0d | 768 | &tmp_float) != SR_OK) |
13f2b9d7 | 769 | return SR_ERR; |
422a1c0d DJ |
770 | state->horiz_triggerpos = tmp_float / |
771 | (((double) (*config->timebases)[state->timebase][0] / | |
772 | (*config->timebases)[state->timebase][1]) * config->num_xdivs); | |
773 | state->horiz_triggerpos -= 0.5; | |
774 | state->horiz_triggerpos *= -1; | |
13f2b9d7 | 775 | |
89280b1a UH |
776 | if (scope_state_get_array_option(sdi->conn, |
777 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE], | |
692716f5 UH |
778 | config->trigger_sources, config->num_trigger_sources, |
779 | &state->trigger_source) != SR_OK) | |
13f2b9d7 DJ |
780 | return SR_ERR; |
781 | ||
89280b1a | 782 | if (scope_state_get_array_option(sdi->conn, |
692716f5 UH |
783 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE], |
784 | config->trigger_slopes, config->num_trigger_slopes, | |
785 | &state->trigger_slope) != SR_OK) | |
13f2b9d7 DJ |
786 | return SR_ERR; |
787 | ||
4fa4db2c GT |
788 | if (sr_scpi_get_string(sdi->conn, |
789 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_PATTERN], | |
790 | &state->trigger_pattern) != SR_OK) | |
791 | return SR_ERR; | |
792 | ||
14a2f74d DJ |
793 | if (hmo_update_sample_rate(sdi) != SR_OK) |
794 | return SR_ERR; | |
795 | ||
8de2dc3b DJ |
796 | sr_info("Fetching finished."); |
797 | ||
13f2b9d7 DJ |
798 | scope_state_dump(config, state); |
799 | ||
800 | return SR_OK; | |
801 | } | |
802 | ||
329733d9 | 803 | static struct scope_state *scope_state_new(const struct scope_config *config) |
13f2b9d7 DJ |
804 | { |
805 | struct scope_state *state; | |
806 | ||
a95f142e UH |
807 | state = g_malloc0(sizeof(struct scope_state)); |
808 | state->analog_channels = g_malloc0_n(config->analog_channels, | |
809 | sizeof(struct analog_channel_state)); | |
810 | state->digital_channels = g_malloc0_n( | |
811 | config->digital_channels, sizeof(gboolean)); | |
812 | state->digital_pods = g_malloc0_n(config->digital_pods, | |
e131be0a | 813 | sizeof(struct digital_pod_state)); |
13f2b9d7 DJ |
814 | |
815 | return state; | |
13f2b9d7 DJ |
816 | } |
817 | ||
719eff68 | 818 | SR_PRIV void hmo_scope_state_free(struct scope_state *state) |
13f2b9d7 DJ |
819 | { |
820 | g_free(state->analog_channels); | |
821 | g_free(state->digital_channels); | |
822 | g_free(state->digital_pods); | |
823 | g_free(state); | |
824 | } | |
825 | ||
826 | SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi) | |
827 | { | |
13f2b9d7 | 828 | int model_index; |
2d224dba | 829 | unsigned int i, j, group; |
ba7dd8bb | 830 | struct sr_channel *ch; |
13f2b9d7 | 831 | struct dev_context *devc; |
eac9fcd2 | 832 | int ret; |
13f2b9d7 DJ |
833 | |
834 | devc = sdi->priv; | |
835 | model_index = -1; | |
836 | ||
89280b1a | 837 | /* Find the exact model. */ |
13f2b9d7 DJ |
838 | for (i = 0; i < ARRAY_SIZE(scope_models); i++) { |
839 | for (j = 0; scope_models[i].name[j]; j++) { | |
840 | if (!strcmp(sdi->model, scope_models[i].name[j])) { | |
841 | model_index = i; | |
842 | break; | |
843 | } | |
844 | } | |
845 | if (model_index != -1) | |
846 | break; | |
847 | } | |
848 | ||
849 | if (model_index == -1) { | |
e35ebc6a | 850 | sr_dbg("Unsupported device."); |
13f2b9d7 DJ |
851 | return SR_ERR_NA; |
852 | } | |
853 | ||
562b7ae5 SA |
854 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
855 | scope_models[model_index].analog_channels); | |
562b7ae5 SA |
856 | devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
857 | scope_models[model_index].digital_pods); | |
b0e80e9a GS |
858 | if (!devc->analog_groups || !devc->digital_groups) { |
859 | g_free(devc->analog_groups); | |
860 | g_free(devc->digital_groups); | |
861 | return SR_ERR_MALLOC; | |
862 | } | |
13f2b9d7 | 863 | |
89280b1a | 864 | /* Add analog channels. */ |
13f2b9d7 | 865 | for (i = 0; i < scope_models[model_index].analog_channels; i++) { |
5e23fcab | 866 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, |
c368e6f3 | 867 | (*scope_models[model_index].analog_names)[i]); |
13f2b9d7 | 868 | |
562b7ae5 SA |
869 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
870 | ||
871 | devc->analog_groups[i]->name = g_strdup( | |
872 | (char *)(*scope_models[model_index].analog_names)[i]); | |
873 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); | |
13f2b9d7 | 874 | |
660e398f | 875 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
562b7ae5 | 876 | devc->analog_groups[i]); |
13f2b9d7 DJ |
877 | } |
878 | ||
660e398f | 879 | /* Add digital channel groups. */ |
eac9fcd2 | 880 | ret = SR_OK; |
0a1f7b09 | 881 | for (i = 0; i < scope_models[model_index].digital_pods; i++) { |
562b7ae5 | 882 | devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
eac9fcd2 GS |
883 | if (!devc->digital_groups[i]) { |
884 | ret = SR_ERR_MALLOC; | |
885 | break; | |
886 | } | |
d2391b54 | 887 | devc->digital_groups[i]->name = g_strdup_printf("POD%d", i); |
660e398f | 888 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
2d224dba | 889 | devc->digital_groups[i]); |
13f2b9d7 | 890 | } |
eac9fcd2 GS |
891 | if (ret != SR_OK) |
892 | return ret; | |
13f2b9d7 | 893 | |
89280b1a | 894 | /* Add digital channels. */ |
13f2b9d7 | 895 | for (i = 0; i < scope_models[model_index].digital_channels; i++) { |
5e23fcab | 896 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, |
c368e6f3 | 897 | (*scope_models[model_index].digital_names)[i]); |
13f2b9d7 | 898 | |
2d224dba GS |
899 | group = i / 8; |
900 | devc->digital_groups[group]->channels = g_slist_append( | |
901 | devc->digital_groups[group]->channels, ch); | |
13f2b9d7 DJ |
902 | } |
903 | ||
904 | devc->model_config = &scope_models[model_index]; | |
d779dcac | 905 | devc->samples_limit = 0; |
13f2b9d7 DJ |
906 | devc->frame_limit = 0; |
907 | ||
908 | if (!(devc->model_state = scope_state_new(devc->model_config))) | |
909 | return SR_ERR_MALLOC; | |
910 | ||
911 | return SR_OK; | |
912 | } | |
913 | ||
e06875b2 GS |
914 | /* Queue data of one channel group, for later submission. */ |
915 | SR_PRIV void hmo_queue_logic_data(struct dev_context *devc, | |
916 | size_t group, GByteArray *pod_data) | |
917 | { | |
918 | size_t size; | |
919 | GByteArray *store; | |
920 | uint8_t *logic_data; | |
921 | size_t idx, logic_step; | |
922 | ||
923 | /* | |
924 | * Upon first invocation, allocate the array which can hold the | |
925 | * combined logic data for all channels. Assume that each channel | |
926 | * will yield an identical number of samples per receive call. | |
927 | * | |
928 | * As a poor man's safety measure: (Silently) skip processing | |
929 | * for unexpected sample counts, and ignore samples for | |
930 | * unexpected channel groups. Don't bother with complicated | |
931 | * resize logic, considering that many models only support one | |
932 | * pod, and the most capable supported models have two pods of | |
933 | * identical size. We haven't yet seen any "odd" configuration. | |
934 | */ | |
935 | if (!devc->logic_data) { | |
936 | size = pod_data->len * devc->pod_count; | |
937 | store = g_byte_array_sized_new(size); | |
938 | memset(store->data, 0, size); | |
939 | store = g_byte_array_set_size(store, size); | |
940 | devc->logic_data = store; | |
941 | } else { | |
942 | store = devc->logic_data; | |
943 | size = store->len / devc->pod_count; | |
e06875b2 GS |
944 | if (group >= devc->pod_count) |
945 | return; | |
946 | } | |
947 | ||
948 | /* | |
949 | * Fold the data of the most recently received channel group into | |
950 | * the storage, where data resides for all channels combined. | |
951 | */ | |
952 | logic_data = store->data; | |
953 | logic_data += group; | |
954 | logic_step = devc->pod_count; | |
955 | for (idx = 0; idx < pod_data->len; idx++) { | |
956 | *logic_data = pod_data->data[idx]; | |
957 | logic_data += logic_step; | |
958 | } | |
d779dcac GT |
959 | |
960 | /* Truncate acquisition if a smaller number of samples has been requested. */ | |
961 | if (devc->samples_limit > 0 && devc->logic_data->len > devc->samples_limit * devc->pod_count) | |
962 | devc->logic_data->len = devc->samples_limit * devc->pod_count; | |
e06875b2 GS |
963 | } |
964 | ||
965 | /* Submit data for all channels, after the individual groups got collected. */ | |
966 | SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi, | |
967 | struct dev_context *devc) | |
968 | { | |
969 | struct sr_datafeed_packet packet; | |
970 | struct sr_datafeed_logic logic; | |
971 | ||
972 | if (!devc->logic_data) | |
973 | return; | |
974 | ||
975 | logic.data = devc->logic_data->data; | |
976 | logic.length = devc->logic_data->len; | |
977 | logic.unitsize = devc->pod_count; | |
978 | ||
979 | packet.type = SR_DF_LOGIC; | |
980 | packet.payload = &logic; | |
981 | ||
982 | sr_session_send(sdi, &packet); | |
983 | } | |
984 | ||
985 | /* Undo previous resource allocation. */ | |
986 | SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc) | |
987 | { | |
988 | ||
989 | if (devc->logic_data) { | |
990 | g_byte_array_free(devc->logic_data, TRUE); | |
991 | devc->logic_data = NULL; | |
992 | } | |
993 | /* | |
994 | * Keep 'pod_count'! It's required when more frames will be | |
995 | * received, and does not harm when kept after acquisition. | |
996 | */ | |
997 | } | |
998 | ||
719eff68 | 999 | SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data) |
06a3e78a | 1000 | { |
ba7dd8bb | 1001 | struct sr_channel *ch; |
13f2b9d7 | 1002 | struct sr_dev_inst *sdi; |
06a3e78a | 1003 | struct dev_context *devc; |
401b83a1 | 1004 | struct scope_state *state; |
13f2b9d7 | 1005 | struct sr_datafeed_packet packet; |
401b83a1 SB |
1006 | GByteArray *data; |
1007 | struct sr_datafeed_analog analog; | |
1008 | struct sr_analog_encoding encoding; | |
1009 | struct sr_analog_meaning meaning; | |
1010 | struct sr_analog_spec spec; | |
89280b1a | 1011 | struct sr_datafeed_logic logic; |
e06875b2 | 1012 | size_t group; |
06a3e78a DJ |
1013 | |
1014 | (void)fd; | |
f0729866 | 1015 | (void)revents; |
06a3e78a | 1016 | |
f62f595b MK |
1017 | data = NULL; |
1018 | ||
06a3e78a DJ |
1019 | if (!(sdi = cb_data)) |
1020 | return TRUE; | |
1021 | ||
1022 | if (!(devc = sdi->priv)) | |
1023 | return TRUE; | |
1024 | ||
f4f273ce SB |
1025 | /* Although this is correct in general, the USBTMC libusb implementation |
1026 | * currently does not generate an event prior to the first read. Often | |
1027 | * it is ok to start reading just after the 50ms timeout. See bug #785. | |
dc89faea UH |
1028 | if (revents != G_IO_IN) |
1029 | return TRUE; | |
f4f273ce | 1030 | */ |
13f2b9d7 | 1031 | |
dc89faea | 1032 | ch = devc->current_channel->data; |
401b83a1 | 1033 | state = devc->model_state; |
13f2b9d7 | 1034 | |
b23eb1d4 GS |
1035 | /* |
1036 | * Send "frame begin" packet upon reception of data for the | |
1037 | * first enabled channel. | |
1038 | */ | |
1039 | if (devc->current_channel == devc->enabled_channels) { | |
1040 | packet.type = SR_DF_FRAME_BEGIN; | |
1041 | sr_session_send(sdi, &packet); | |
1042 | } | |
1043 | ||
1044 | /* | |
1045 | * Pass on the received data of the channel(s). | |
1046 | */ | |
dc89faea UH |
1047 | switch (ch->type) { |
1048 | case SR_CHANNEL_ANALOG: | |
401b83a1 | 1049 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
dc89faea | 1050 | if (data) |
401b83a1 | 1051 | g_byte_array_free(data, TRUE); |
dc89faea | 1052 | return TRUE; |
13f2b9d7 DJ |
1053 | } |
1054 | ||
401b83a1 SB |
1055 | packet.type = SR_DF_ANALOG; |
1056 | ||
1057 | analog.data = data->data; | |
1058 | analog.num_samples = data->len / sizeof(float); | |
d779dcac GT |
1059 | /* Truncate acquisition if a smaller number of samples has been requested. */ |
1060 | if (devc->samples_limit > 0 && analog.num_samples > devc->samples_limit) | |
1061 | analog.num_samples = devc->samples_limit; | |
401b83a1 SB |
1062 | analog.encoding = &encoding; |
1063 | analog.meaning = &meaning; | |
1064 | analog.spec = &spec; | |
1065 | ||
1066 | encoding.unitsize = sizeof(float); | |
1067 | encoding.is_signed = TRUE; | |
1068 | encoding.is_float = TRUE; | |
65a6794e GS |
1069 | #ifdef WORDS_BIGENDIAN |
1070 | encoding.is_bigendian = TRUE; | |
1071 | #else | |
d1ad8b10 | 1072 | encoding.is_bigendian = FALSE; |
65a6794e | 1073 | #endif |
7dcaddd3 UH |
1074 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
1075 | encoding.digits = 2; | |
401b83a1 SB |
1076 | encoding.is_digits_decimal = FALSE; |
1077 | encoding.scale.p = 1; | |
1078 | encoding.scale.q = 1; | |
1079 | encoding.offset.p = 0; | |
1080 | encoding.offset.q = 1; | |
1081 | if (state->analog_channels[ch->index].probe_unit == 'V') { | |
1082 | meaning.mq = SR_MQ_VOLTAGE; | |
1083 | meaning.unit = SR_UNIT_VOLT; | |
1084 | } else { | |
1085 | meaning.mq = SR_MQ_CURRENT; | |
1086 | meaning.unit = SR_UNIT_AMPERE; | |
1087 | } | |
1088 | meaning.mqflags = 0; | |
1089 | meaning.channels = g_slist_append(NULL, ch); | |
7dcaddd3 UH |
1090 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
1091 | spec.spec_digits = 2; | |
dc89faea | 1092 | packet.payload = &analog; |
695dc859 | 1093 | sr_session_send(sdi, &packet); |
d779dcac | 1094 | devc->num_samples = data->len / sizeof(float); |
401b83a1 SB |
1095 | g_slist_free(meaning.channels); |
1096 | g_byte_array_free(data, TRUE); | |
dc89faea UH |
1097 | data = NULL; |
1098 | break; | |
1099 | case SR_CHANNEL_LOGIC: | |
401b83a1 | 1100 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
14cb6aa4 GT |
1101 | if (data) |
1102 | g_byte_array_free(data, TRUE); | |
dc89faea | 1103 | return TRUE; |
13f2b9d7 | 1104 | } |
dc89faea | 1105 | |
e06875b2 GS |
1106 | /* |
1107 | * If only data from the first pod is involved in the | |
1108 | * acquisition, then the raw input bytes can get passed | |
1109 | * forward for performance reasons. When the second pod | |
1110 | * is involved (either alone, or in combination with the | |
1111 | * first pod), then the received bytes need to be put | |
1112 | * into memory in such a layout that all channel groups | |
1113 | * get combined, and a unitsize larger than a single byte | |
1114 | * applies. The "queue" logic transparently copes with | |
1115 | * any such configuration. This works around the lack | |
1116 | * of support for "meaning" to logic data, which is used | |
1117 | * above for analog data. | |
1118 | */ | |
1119 | if (devc->pod_count == 1) { | |
1120 | packet.type = SR_DF_LOGIC; | |
1121 | logic.data = data->data; | |
1122 | logic.length = data->len; | |
d779dcac GT |
1123 | /* Truncate acquisition if a smaller number of samples has been requested. */ |
1124 | if (devc->samples_limit > 0 && logic.length > devc->samples_limit) | |
1125 | logic.length = devc->samples_limit; | |
e06875b2 GS |
1126 | logic.unitsize = 1; |
1127 | packet.payload = &logic; | |
1128 | sr_session_send(sdi, &packet); | |
1129 | } else { | |
1130 | group = ch->index / 8; | |
1131 | hmo_queue_logic_data(devc, group, data); | |
1132 | } | |
dc89faea | 1133 | |
d779dcac | 1134 | devc->num_samples = data->len / devc->pod_count; |
401b83a1 | 1135 | g_byte_array_free(data, TRUE); |
dc89faea UH |
1136 | data = NULL; |
1137 | break; | |
1138 | default: | |
1139 | sr_err("Invalid channel type."); | |
1140 | break; | |
1141 | } | |
1142 | ||
b23eb1d4 GS |
1143 | /* |
1144 | * Advance to the next enabled channel. When data for all enabled | |
e06875b2 GS |
1145 | * channels was received, then flush potentially queued logic data, |
1146 | * and send the "frame end" packet. | |
b23eb1d4 | 1147 | */ |
dc89faea UH |
1148 | if (devc->current_channel->next) { |
1149 | devc->current_channel = devc->current_channel->next; | |
1150 | hmo_request_data(sdi); | |
b23eb1d4 GS |
1151 | return TRUE; |
1152 | } | |
e06875b2 GS |
1153 | hmo_send_logic_packet(sdi, devc); |
1154 | ||
1155 | /* | |
1156 | * Release the logic data storage after each frame. This copes | |
1157 | * with sample counts that differ in length per frame. -- Is | |
1158 | * this a real constraint when acquiring multiple frames with | |
1159 | * identical device settings? | |
1160 | */ | |
1161 | hmo_cleanup_logic_data(devc); | |
1162 | ||
b23eb1d4 GS |
1163 | packet.type = SR_DF_FRAME_END; |
1164 | sr_session_send(sdi, &packet); | |
1165 | ||
1166 | /* | |
1167 | * End of frame was reached. Stop acquisition after the specified | |
d779dcac GT |
1168 | * number of frames or after the specified number of samples, or |
1169 | * continue reception by starting over at the first enabled channel. | |
b23eb1d4 | 1170 | */ |
d779dcac | 1171 | if (++devc->num_frames >= devc->frame_limit || devc->num_samples >= devc->samples_limit) { |
d2f7c417 | 1172 | sr_dev_acquisition_stop(sdi); |
e06875b2 | 1173 | hmo_cleanup_logic_data(devc); |
dc89faea UH |
1174 | } else { |
1175 | devc->current_channel = devc->enabled_channels; | |
1176 | hmo_request_data(sdi); | |
06a3e78a DJ |
1177 | } |
1178 | ||
1179 | return TRUE; | |
1180 | } |