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hameg-hmo: Add SR_CONF_HIGH_RESOLUTION and SR_CONF_PEAK_DETECTION.
[libsigrok.git] / src / hardware / hameg-hmo / protocol.c
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com>
5 * Copyright (C) 2018 Guido Trentalancia <guido@trentalancia.com>
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
21#include <config.h>
22#include <math.h>
23#include <stdlib.h>
24#include "scpi.h"
25#include "protocol.h"
26
27SR_PRIV void hmo_queue_logic_data(struct dev_context *devc,
28 size_t group, GByteArray *pod_data);
29SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi,
30 struct dev_context *devc);
31SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc);
32
33static const char *hameg_scpi_dialect[] = {
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_HORIZONTAL_DIV] = ":TIM:DIV?",
38 [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
39 [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
40 [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?",
41 [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \
42 ":FORM REAL,32;:CHAN%d:DATA?",
43 [SCPI_CMD_GET_VERTICAL_SCALE] = ":CHAN%d:SCAL?",
44 [SCPI_CMD_SET_VERTICAL_SCALE] = ":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_SOURCE] = ":TRIG:A:SOUR?",
48 [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
49 [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
50 [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s",
51 [SCPI_CMD_GET_TRIGGER_PATTERN] = ":TRIG:A:PATT:SOUR?",
52 [SCPI_CMD_SET_TRIGGER_PATTERN] = ":TRIG:A:TYPE LOGIC;" \
53 ":TRIG:A:PATT:FUNC AND;" \
54 ":TRIG:A:PATT:COND \"TRUE\";" \
55 ":TRIG:A:PATT:MODE OFF;" \
56 ":TRIG:A:PATT:SOUR \"%s\"",
57 [SCPI_CMD_GET_HIGH_RESOLUTION] = ":ACQ:HRES?",
58 [SCPI_CMD_SET_HIGH_RESOLUTION] = ":ACQ:HRES %s",
59 [SCPI_CMD_GET_PEAK_DETECTION] = ":ACQ:PEAK?",
60 [SCPI_CMD_SET_PEAK_DETECTION] = ":ACQ:PEAK %s",
61 [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
62 [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
63 [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?",
64 [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
65 [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s",
66 [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
67 [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
68 [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?",
69 [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":POD%d:THR?",
70 [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":POD%d:THR %s",
71 [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d?",
72 [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d %s",
73};
74
75static const char *rohde_schwarz_log_not_pod_scpi_dialect[] = {
76 [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;:LOG%d:DATA?",
77 [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?",
78 [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s",
79 [SCPI_CMD_GET_HORIZONTAL_DIV] = ":TIM:DIV?",
80 [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
81 [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
82 [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?",
83 [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \
84 ":FORM REAL,32;:CHAN%d:DATA?",
85 [SCPI_CMD_GET_VERTICAL_SCALE] = ":CHAN%d:SCAL?",
86 [SCPI_CMD_SET_VERTICAL_SCALE] = ":CHAN%d:SCAL %s",
87 [SCPI_CMD_GET_DIG_POD_STATE] = ":LOG%d:STAT?",
88 [SCPI_CMD_SET_DIG_POD_STATE] = ":LOG%d:STAT %d",
89 [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?",
90 [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
91 [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
92 [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s",
93 [SCPI_CMD_GET_TRIGGER_PATTERN] = ":TRIG:A:PATT:SOUR?",
94 [SCPI_CMD_SET_TRIGGER_PATTERN] = ":TRIG:A:TYPE LOGIC;" \
95 ":TRIG:A:PATT:FUNC AND;" \
96 ":TRIG:A:PATT:COND \"TRUE\";" \
97 ":TRIG:A:PATT:MODE OFF;" \
98 ":TRIG:A:PATT:SOUR \"%s\"",
99 [SCPI_CMD_GET_HIGH_RESOLUTION] = ":ACQ:HRES?",
100 [SCPI_CMD_SET_HIGH_RESOLUTION] = ":ACQ:HRES %s",
101 [SCPI_CMD_GET_PEAK_DETECTION] = ":ACQ:PEAK?",
102 [SCPI_CMD_SET_PEAK_DETECTION] = ":ACQ:PEAK %s",
103 [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
104 [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
105 [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?", /* Might not be supported on RTB200x... */
106 [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
107 [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s",
108 [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
109 [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
110 [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?",
111 [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":DIG%d:TECH?",
112 [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":DIG%d:TECH %s",
113 [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":DIG%d:THR?",
114 [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":DIG%d:THR %s",
115};
116
117static const uint32_t devopts[] = {
118 SR_CONF_OSCILLOSCOPE,
119 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
120 SR_CONF_LIMIT_FRAMES | SR_CONF_SET,
121 SR_CONF_SAMPLERATE | SR_CONF_GET,
122 SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
123 SR_CONF_NUM_HDIV | SR_CONF_GET,
124 SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET,
125 SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
126 SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
127 SR_CONF_TRIGGER_PATTERN | SR_CONF_GET | SR_CONF_SET,
128 SR_CONF_HIGH_RESOLUTION | SR_CONF_GET | SR_CONF_SET,
129 SR_CONF_PEAK_DETECTION | SR_CONF_GET | SR_CONF_SET,
130};
131
132static const uint32_t devopts_cg_analog[] = {
133 SR_CONF_NUM_VDIV | SR_CONF_GET,
134 SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
135 SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
136};
137
138static const uint32_t devopts_cg_digital[] = {
139 SR_CONF_LOGIC_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
140 SR_CONF_LOGIC_THRESHOLD_CUSTOM | SR_CONF_GET | SR_CONF_SET,
141};
142
143static const char *coupling_options[] = {
144 "AC", // AC with 50 Ohm termination (152x, 202x, 30xx, 1202)
145 "ACL", // AC with 1 MOhm termination
146 "DC", // DC with 50 Ohm termination
147 "DCL", // DC with 1 MOhm termination
148 "GND",
149};
150
151static const char *coupling_options_rtb200x[] = {
152 "ACL", // AC with 1 MOhm termination
153 "DCL", // DC with 1 MOhm termination
154 "GND",
155};
156
157static const char *coupling_options_rtm300x[] = {
158 "ACL", // AC with 1 MOhm termination
159 "DC", // DC with 50 Ohm termination
160 "DCL", // DC with 1 MOhm termination
161 "GND",
162};
163
164static const char *scope_trigger_slopes[] = {
165 "POS",
166 "NEG",
167 "EITH",
168};
169
170/* Predefined logic thresholds. */
171static const char *logic_threshold[] = {
172 "TTL",
173 "ECL",
174 "CMOS",
175 "USER1",
176 "USER2", // overwritten by logic_threshold_custom, use USER1 for permanent setting
177};
178
179static const char *logic_threshold_rtb200x_rtm300x[] = {
180 "TTL",
181 "ECL",
182 "CMOS",
183 "MAN", // overwritten by logic_threshold_custom
184};
185
186/* RTC1002, HMO Compact2 and HMO1002/HMO1202 */
187static const char *an2_dig8_trigger_sources[] = {
188 "CH1", "CH2",
189 "LINE", "EXT", "PATT", "BUS1", "BUS2",
190 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
191};
192
193/* HMO3xx2 */
194static const char *an2_dig16_trigger_sources[] = {
195 "CH1", "CH2",
196 "LINE", "EXT", "PATT", "BUS1", "BUS2",
197 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
198 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
199};
200
201/* RTB2002 and RTM3002 */
202static const char *an2_dig16_sbus_trigger_sources[] = {
203 "CH1", "CH2",
204 "LINE", "EXT", "PATT", "SBUS1", "SBUS2",
205 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
206 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
207};
208
209/* HMO Compact4 */
210static const char *an4_dig8_trigger_sources[] = {
211 "CH1", "CH2", "CH3", "CH4",
212 "LINE", "EXT", "PATT", "BUS1", "BUS2",
213 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
214};
215
216/* HMO3xx4 and HMO2524 */
217static const char *an4_dig16_trigger_sources[] = {
218 "CH1", "CH2", "CH3", "CH4",
219 "LINE", "EXT", "PATT", "BUS1", "BUS2",
220 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
221 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
222};
223
224/* RTB2004, RTM3004 and RTA4004 */
225static const char *an4_dig16_sbus_trigger_sources[] = {
226 "CH1", "CH2", "CH3", "CH4",
227 "LINE", "EXT", "PATT", "SBUS1", "SBUS2",
228 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
229 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
230};
231
232static const uint64_t timebases[][2] = {
233 /* nanoseconds */
234 { 1, 1000000000 },
235 { 2, 1000000000 },
236 { 5, 1000000000 },
237 { 10, 1000000000 },
238 { 20, 1000000000 },
239 { 50, 1000000000 },
240 { 100, 1000000000 },
241 { 200, 1000000000 },
242 { 500, 1000000000 },
243 /* microseconds */
244 { 1, 1000000 },
245 { 2, 1000000 },
246 { 5, 1000000 },
247 { 10, 1000000 },
248 { 20, 1000000 },
249 { 50, 1000000 },
250 { 100, 1000000 },
251 { 200, 1000000 },
252 { 500, 1000000 },
253 /* milliseconds */
254 { 1, 1000 },
255 { 2, 1000 },
256 { 5, 1000 },
257 { 10, 1000 },
258 { 20, 1000 },
259 { 50, 1000 },
260 { 100, 1000 },
261 { 200, 1000 },
262 { 500, 1000 },
263 /* seconds */
264 { 1, 1 },
265 { 2, 1 },
266 { 5, 1 },
267 { 10, 1 },
268 { 20, 1 },
269 { 50, 1 },
270};
271
272/* HMO Compact series (HMO722/724/1022/1024/1522/1524/2022/2024) do
273 * not support 1 ns timebase setting.
274 */
275static const uint64_t timebases_hmo_compact[][2] = {
276 /* nanoseconds */
277 { 2, 1000000000 },
278 { 5, 1000000000 },
279 { 10, 1000000000 },
280 { 20, 1000000000 },
281 { 50, 1000000000 },
282 { 100, 1000000000 },
283 { 200, 1000000000 },
284 { 500, 1000000000 },
285 /* microseconds */
286 { 1, 1000000 },
287 { 2, 1000000 },
288 { 5, 1000000 },
289 { 10, 1000000 },
290 { 20, 1000000 },
291 { 50, 1000000 },
292 { 100, 1000000 },
293 { 200, 1000000 },
294 { 500, 1000000 },
295 /* milliseconds */
296 { 1, 1000 },
297 { 2, 1000 },
298 { 5, 1000 },
299 { 10, 1000 },
300 { 20, 1000 },
301 { 50, 1000 },
302 { 100, 1000 },
303 { 200, 1000 },
304 { 500, 1000 },
305 /* seconds */
306 { 1, 1 },
307 { 2, 1 },
308 { 5, 1 },
309 { 10, 1 },
310 { 20, 1 },
311 { 50, 1 },
312};
313
314static const uint64_t vdivs[][2] = {
315 /* millivolts */
316 { 1, 1000 },
317 { 2, 1000 },
318 { 5, 1000 },
319 { 10, 1000 },
320 { 20, 1000 },
321 { 50, 1000 },
322 { 100, 1000 },
323 { 200, 1000 },
324 { 500, 1000 },
325 /* volts */
326 { 1, 1 },
327 { 2, 1 },
328 { 5, 1 },
329 { 10, 1 },
330};
331
332static const char *scope_analog_channel_names[] = {
333 "CH1", "CH2", "CH3", "CH4",
334};
335
336static const char *scope_digital_channel_names[] = {
337 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
338 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
339};
340
341static struct scope_config scope_models[] = {
342 {
343 /* HMO Compact2: HMO722/1022/1522/2022 support only 8 digital channels. */
344 .name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
345 .analog_channels = 2,
346 .digital_channels = 8,
347
348 .analog_names = &scope_analog_channel_names,
349 .digital_names = &scope_digital_channel_names,
350
351 .devopts = &devopts,
352 .num_devopts = ARRAY_SIZE(devopts),
353
354 .devopts_cg_analog = &devopts_cg_analog,
355 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
356
357 .devopts_cg_digital = &devopts_cg_digital,
358 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
359
360 .coupling_options = &coupling_options,
361 .num_coupling_options = ARRAY_SIZE(coupling_options),
362
363 .logic_threshold = &logic_threshold,
364 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
365 .logic_threshold_for_pod = TRUE,
366
367 .trigger_sources = &an2_dig8_trigger_sources,
368 .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
369
370 .trigger_slopes = &scope_trigger_slopes,
371 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
372
373 .timebases = &timebases_hmo_compact,
374 .num_timebases = ARRAY_SIZE(timebases_hmo_compact),
375
376 .vdivs = &vdivs,
377 .num_vdivs = ARRAY_SIZE(vdivs),
378
379 .num_ydivs = 8,
380
381 .scpi_dialect = &hameg_scpi_dialect,
382 },
383 {
384 /* RTC1002 and HMO1002/HMO1202 support only 8 digital channels. */
385 .name = {"RTC1002", "HMO1002", "HMO1202", NULL},
386 .analog_channels = 2,
387 .digital_channels = 8,
388
389 .analog_names = &scope_analog_channel_names,
390 .digital_names = &scope_digital_channel_names,
391
392 .devopts = &devopts,
393 .num_devopts = ARRAY_SIZE(devopts),
394
395 .devopts_cg_analog = &devopts_cg_analog,
396 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
397
398 .devopts_cg_digital = &devopts_cg_digital,
399 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
400
401 .coupling_options = &coupling_options,
402 .num_coupling_options = ARRAY_SIZE(coupling_options),
403
404 .logic_threshold = &logic_threshold,
405 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
406 .logic_threshold_for_pod = TRUE,
407
408 .trigger_sources = &an2_dig8_trigger_sources,
409 .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
410
411 .trigger_slopes = &scope_trigger_slopes,
412 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
413
414 .timebases = &timebases,
415 .num_timebases = ARRAY_SIZE(timebases),
416
417 .vdivs = &vdivs,
418 .num_vdivs = ARRAY_SIZE(vdivs),
419
420 .num_ydivs = 8,
421
422 .scpi_dialect = &hameg_scpi_dialect,
423 },
424 {
425 /* HMO3032/3042/3052/3522 support 16 digital channels. */
426 .name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL},
427 .analog_channels = 2,
428 .digital_channels = 16,
429
430 .analog_names = &scope_analog_channel_names,
431 .digital_names = &scope_digital_channel_names,
432
433 .devopts = &devopts,
434 .num_devopts = ARRAY_SIZE(devopts),
435
436 .devopts_cg_analog = &devopts_cg_analog,
437 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
438
439 .devopts_cg_digital = &devopts_cg_digital,
440 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
441
442 .coupling_options = &coupling_options,
443 .num_coupling_options = ARRAY_SIZE(coupling_options),
444
445 .logic_threshold = &logic_threshold,
446 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
447 .logic_threshold_for_pod = TRUE,
448
449 .trigger_sources = &an2_dig16_trigger_sources,
450 .num_trigger_sources = ARRAY_SIZE(an2_dig16_trigger_sources),
451
452 .trigger_slopes = &scope_trigger_slopes,
453 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
454
455 .timebases = &timebases,
456 .num_timebases = ARRAY_SIZE(timebases),
457
458 .vdivs = &vdivs,
459 .num_vdivs = ARRAY_SIZE(vdivs),
460
461 .num_ydivs = 8,
462
463 .scpi_dialect = &hameg_scpi_dialect,
464 },
465 {
466 /* HMO Compact4: HMO724/1024/1524/2024 support only 8 digital channels. */
467 .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
468 .analog_channels = 4,
469 .digital_channels = 8,
470
471 .analog_names = &scope_analog_channel_names,
472 .digital_names = &scope_digital_channel_names,
473
474 .devopts = &devopts,
475 .num_devopts = ARRAY_SIZE(devopts),
476
477 .devopts_cg_analog = &devopts_cg_analog,
478 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
479
480 .devopts_cg_digital = &devopts_cg_digital,
481 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
482
483 .coupling_options = &coupling_options,
484 .num_coupling_options = ARRAY_SIZE(coupling_options),
485
486 .logic_threshold = &logic_threshold,
487 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
488 .logic_threshold_for_pod = TRUE,
489
490 .trigger_sources = &an4_dig8_trigger_sources,
491 .num_trigger_sources = ARRAY_SIZE(an4_dig8_trigger_sources),
492
493 .trigger_slopes = &scope_trigger_slopes,
494 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
495
496 .timebases = &timebases_hmo_compact,
497 .num_timebases = ARRAY_SIZE(timebases_hmo_compact),
498
499 .vdivs = &vdivs,
500 .num_vdivs = ARRAY_SIZE(vdivs),
501
502 .num_ydivs = 8,
503
504 .scpi_dialect = &hameg_scpi_dialect,
505 },
506 {
507 .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", "HMO3524", NULL},
508 .analog_channels = 4,
509 .digital_channels = 16,
510
511 .analog_names = &scope_analog_channel_names,
512 .digital_names = &scope_digital_channel_names,
513
514 .devopts = &devopts,
515 .num_devopts = ARRAY_SIZE(devopts),
516
517 .devopts_cg_analog = &devopts_cg_analog,
518 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
519
520 .devopts_cg_digital = &devopts_cg_digital,
521 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
522
523 .coupling_options = &coupling_options,
524 .num_coupling_options = ARRAY_SIZE(coupling_options),
525
526 .logic_threshold = &logic_threshold,
527 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
528 .logic_threshold_for_pod = TRUE,
529
530 .trigger_sources = &an4_dig16_trigger_sources,
531 .num_trigger_sources = ARRAY_SIZE(an4_dig16_trigger_sources),
532
533 .trigger_slopes = &scope_trigger_slopes,
534 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
535
536 .timebases = &timebases,
537 .num_timebases = ARRAY_SIZE(timebases),
538
539 .vdivs = &vdivs,
540 .num_vdivs = ARRAY_SIZE(vdivs),
541
542 .num_ydivs = 8,
543
544 .scpi_dialect = &hameg_scpi_dialect,
545 },
546 {
547 .name = {"RTB2002", NULL},
548 .analog_channels = 2,
549 .digital_channels = 16,
550
551 .analog_names = &scope_analog_channel_names,
552 .digital_names = &scope_digital_channel_names,
553
554 .devopts = &devopts,
555 .num_devopts = ARRAY_SIZE(devopts),
556
557 .devopts_cg_analog = &devopts_cg_analog,
558 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
559
560 .devopts_cg_digital = &devopts_cg_digital,
561 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
562
563 .coupling_options = &coupling_options_rtb200x,
564 .num_coupling_options = ARRAY_SIZE(coupling_options_rtb200x),
565
566 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
567 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
568 .logic_threshold_for_pod = FALSE,
569
570 .trigger_sources = &an2_dig16_sbus_trigger_sources,
571 .num_trigger_sources = ARRAY_SIZE(an2_dig16_sbus_trigger_sources),
572
573 .trigger_slopes = &scope_trigger_slopes,
574 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
575
576 .timebases = &timebases,
577 .num_timebases = ARRAY_SIZE(timebases),
578
579 .vdivs = &vdivs,
580 .num_vdivs = ARRAY_SIZE(vdivs),
581
582 .num_ydivs = 8,
583
584 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
585 },
586 {
587 .name = {"RTB2004", NULL},
588 .analog_channels = 4,
589 .digital_channels = 16,
590
591 .analog_names = &scope_analog_channel_names,
592 .digital_names = &scope_digital_channel_names,
593
594 .devopts = &devopts,
595 .num_devopts = ARRAY_SIZE(devopts),
596
597 .devopts_cg_analog = &devopts_cg_analog,
598 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
599
600 .devopts_cg_digital = &devopts_cg_digital,
601 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
602
603 .coupling_options = &coupling_options_rtb200x,
604 .num_coupling_options = ARRAY_SIZE(coupling_options_rtb200x),
605
606 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
607 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
608 .logic_threshold_for_pod = FALSE,
609
610 .trigger_sources = &an4_dig16_sbus_trigger_sources,
611 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
612
613 .trigger_slopes = &scope_trigger_slopes,
614 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
615
616 .timebases = &timebases,
617 .num_timebases = ARRAY_SIZE(timebases),
618
619 .vdivs = &vdivs,
620 .num_vdivs = ARRAY_SIZE(vdivs),
621
622 .num_ydivs = 8,
623
624 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
625 },
626 {
627 .name = {"RTM3002", NULL},
628 .analog_channels = 2,
629 .digital_channels = 16,
630
631 .analog_names = &scope_analog_channel_names,
632 .digital_names = &scope_digital_channel_names,
633
634 .devopts = &devopts,
635 .num_devopts = ARRAY_SIZE(devopts),
636
637 .devopts_cg_analog = &devopts_cg_analog,
638 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
639
640 .devopts_cg_digital = &devopts_cg_digital,
641 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
642
643 .coupling_options = &coupling_options_rtm300x,
644 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
645
646 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
647 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
648 .logic_threshold_for_pod = FALSE,
649
650 .trigger_sources = &an2_dig16_sbus_trigger_sources,
651 .num_trigger_sources = ARRAY_SIZE(an2_dig16_sbus_trigger_sources),
652
653 .trigger_slopes = &scope_trigger_slopes,
654 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
655
656 .timebases = &timebases,
657 .num_timebases = ARRAY_SIZE(timebases),
658
659 .vdivs = &vdivs,
660 .num_vdivs = ARRAY_SIZE(vdivs),
661
662 .num_ydivs = 8,
663
664 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
665 },
666 {
667 .name = {"RTM3004", NULL},
668 .analog_channels = 4,
669 .digital_channels = 16,
670
671 .analog_names = &scope_analog_channel_names,
672 .digital_names = &scope_digital_channel_names,
673
674 .devopts = &devopts,
675 .num_devopts = ARRAY_SIZE(devopts),
676
677 .devopts_cg_analog = &devopts_cg_analog,
678 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
679
680 .devopts_cg_digital = &devopts_cg_digital,
681 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
682
683 .coupling_options = &coupling_options_rtm300x,
684 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
685
686 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
687 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
688 .logic_threshold_for_pod = FALSE,
689
690 .trigger_sources = &an4_dig16_sbus_trigger_sources,
691 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
692
693 .trigger_slopes = &scope_trigger_slopes,
694 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
695
696 .timebases = &timebases,
697 .num_timebases = ARRAY_SIZE(timebases),
698
699 .vdivs = &vdivs,
700 .num_vdivs = ARRAY_SIZE(vdivs),
701
702 .num_ydivs = 8,
703
704 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
705 },
706 {
707 .name = {"RTA4004", NULL},
708 .analog_channels = 4,
709 .digital_channels = 16,
710
711 .analog_names = &scope_analog_channel_names,
712 .digital_names = &scope_digital_channel_names,
713
714 .devopts = &devopts,
715 .num_devopts = ARRAY_SIZE(devopts),
716
717 .devopts_cg_analog = &devopts_cg_analog,
718 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
719
720 .devopts_cg_digital = &devopts_cg_digital,
721 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
722
723 .coupling_options = &coupling_options_rtm300x,
724 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
725
726 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
727 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
728 .logic_threshold_for_pod = FALSE,
729
730 .trigger_sources = &an4_dig16_sbus_trigger_sources,
731 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
732
733 .trigger_slopes = &scope_trigger_slopes,
734 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
735
736 .timebases = &timebases,
737 .num_timebases = ARRAY_SIZE(timebases),
738
739 .vdivs = &vdivs,
740 .num_vdivs = ARRAY_SIZE(vdivs),
741
742 .num_ydivs = 8,
743
744 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
745 },
746};
747
748static void scope_state_dump(const struct scope_config *config,
749 struct scope_state *state)
750{
751 unsigned int i;
752 char *tmp;
753
754 for (i = 0; i < config->analog_channels; i++) {
755 tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0],
756 (*config->vdivs)[state->analog_channels[i].vdiv][1]);
757 sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)",
758 i + 1, state->analog_channels[i].state ? "On" : "Off",
759 (*config->coupling_options)[state->analog_channels[i].coupling],
760 tmp, state->analog_channels[i].vertical_offset);
761 }
762
763 for (i = 0; i < config->digital_channels; i++) {
764 sr_info("State of digital channel %d -> %s", i,
765 state->digital_channels[i] ? "On" : "Off");
766 }
767
768 for (i = 0; i < config->digital_pods; i++) {
769 if (!strncmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold], 4) ||
770 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
771 sr_info("State of digital POD %d -> %s : %E (threshold)", i + 1,
772 state->digital_pods[i].state ? "On" : "Off",
773 state->digital_pods[i].user_threshold);
774 else
775 sr_info("State of digital POD %d -> %s : %s (threshold)", i + 1,
776 state->digital_pods[i].state ? "On" : "Off",
777 (*config->logic_threshold)[state->digital_pods[i].threshold]);
778 }
779
780 tmp = sr_period_string((*config->timebases)[state->timebase][0],
781 (*config->timebases)[state->timebase][1]);
782 sr_info("Current timebase: %s", tmp);
783 g_free(tmp);
784
785 tmp = sr_samplerate_string(state->sample_rate);
786 sr_info("Current samplerate: %s", tmp);
787 g_free(tmp);
788
789 if (!strcmp("PATT", (*config->trigger_sources)[state->trigger_source]))
790 sr_info("Current trigger: %s (pattern), %.2f (offset)",
791 state->trigger_pattern,
792 state->horiz_triggerpos);
793 else // Edge (slope) trigger
794 sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)",
795 (*config->trigger_sources)[state->trigger_source],
796 (*config->trigger_slopes)[state->trigger_slope],
797 state->horiz_triggerpos);
798}
799
800static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi,
801 const char *command, const char *(*array)[], unsigned int n, int *result)
802{
803 char *tmp;
804 int idx;
805
806 if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK)
807 return SR_ERR;
808
809 if ((idx = std_str_idx_s(tmp, *array, n)) < 0) {
810 g_free(tmp);
811 return SR_ERR_ARG;
812 }
813
814 *result = idx;
815
816 g_free(tmp);
817
818 return SR_OK;
819}
820
821/**
822 * This function takes a value of the form "2.000E-03" and returns the index
823 * of an array where a matching pair was found.
824 *
825 * @param value The string to be parsed.
826 * @param array The array of s/f pairs.
827 * @param array_len The number of pairs in the array.
828 * @param result The index at which a matching pair was found.
829 *
830 * @return SR_ERR on any parsing error, SR_OK otherwise.
831 */
832static int array_float_get(gchar *value, const uint64_t array[][2],
833 int array_len, unsigned int *result)
834{
835 struct sr_rational rval;
836 struct sr_rational aval;
837
838 if (sr_parse_rational(value, &rval) != SR_OK)
839 return SR_ERR;
840
841 for (int i = 0; i < array_len; i++) {
842 sr_rational_set(&aval, array[i][0], array[i][1]);
843 if (sr_rational_eq(&rval, &aval)) {
844 *result = i;
845 return SR_OK;
846 }
847 }
848
849 return SR_ERR;
850}
851
852static struct sr_channel *get_channel_by_index_and_type(GSList *channel_lhead,
853 int index, int type)
854{
855 while (channel_lhead) {
856 struct sr_channel *ch = channel_lhead->data;
857 if (ch->index == index && ch->type == type)
858 return ch;
859
860 channel_lhead = channel_lhead->next;
861 }
862
863 return 0;
864}
865
866static int analog_channel_state_get(struct sr_dev_inst *sdi,
867 const struct scope_config *config,
868 struct scope_state *state)
869{
870 unsigned int i, j;
871 char command[MAX_COMMAND_SIZE];
872 char *tmp_str;
873 struct sr_channel *ch;
874 struct sr_scpi_dev_inst *scpi = sdi->conn;
875
876 for (i = 0; i < config->analog_channels; i++) {
877 g_snprintf(command, sizeof(command),
878 (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
879 i + 1);
880
881 if (sr_scpi_get_bool(scpi, command,
882 &state->analog_channels[i].state) != SR_OK)
883 return SR_ERR;
884
885 ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_ANALOG);
886 if (ch)
887 ch->enabled = state->analog_channels[i].state;
888
889 g_snprintf(command, sizeof(command),
890 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_SCALE],
891 i + 1);
892
893 if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
894 return SR_ERR;
895
896 if (array_float_get(tmp_str, ARRAY_AND_SIZE(vdivs), &j) != SR_OK) {
897 g_free(tmp_str);
898 sr_err("Could not determine array index for vertical div scale.");
899 return SR_ERR;
900 }
901
902 g_free(tmp_str);
903 state->analog_channels[i].vdiv = j;
904
905 g_snprintf(command, sizeof(command),
906 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
907 i + 1);
908
909 if (sr_scpi_get_float(scpi, command,
910 &state->analog_channels[i].vertical_offset) != SR_OK)
911 return SR_ERR;
912
913 g_snprintf(command, sizeof(command),
914 (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
915 i + 1);
916
917 if (scope_state_get_array_option(scpi, command, config->coupling_options,
918 config->num_coupling_options,
919 &state->analog_channels[i].coupling) != SR_OK)
920 return SR_ERR;
921
922 g_snprintf(command, sizeof(command),
923 (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT],
924 i + 1);
925
926 if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
927 return SR_ERR;
928
929 if (tmp_str[0] == 'A')
930 state->analog_channels[i].probe_unit = 'A';
931 else
932 state->analog_channels[i].probe_unit = 'V';
933 g_free(tmp_str);
934 }
935
936 return SR_OK;
937}
938
939static int digital_channel_state_get(struct sr_dev_inst *sdi,
940 const struct scope_config *config,
941 struct scope_state *state)
942{
943 unsigned int i, idx;
944 int result = SR_ERR;
945 static char *logic_threshold_short[] = {};
946 char command[MAX_COMMAND_SIZE];
947 struct sr_channel *ch;
948 struct sr_scpi_dev_inst *scpi = sdi->conn;
949
950 for (i = 0; i < config->digital_channels; i++) {
951 g_snprintf(command, sizeof(command),
952 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE],
953 i);
954
955 if (sr_scpi_get_bool(scpi, command,
956 &state->digital_channels[i]) != SR_OK)
957 return SR_ERR;
958
959 ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_LOGIC);
960 if (ch)
961 ch->enabled = state->digital_channels[i];
962 }
963
964 /* According to the SCPI standard, on models that support multiple
965 * user-defined logic threshold settings the response to the command
966 * SCPI_CMD_GET_DIG_POD_THRESHOLD might return "USER" instead of
967 * "USER1".
968 *
969 * This makes more difficult to validate the response when the logic
970 * threshold is set to "USER1" and therefore we need to prevent device
971 * opening failures in such configuration case...
972 */
973 for (i = 0; i < config->num_logic_threshold; i++) {
974 logic_threshold_short[i] = g_strdup((*config->logic_threshold)[i]);
975 if (!strcmp("USER1", (*config->logic_threshold)[i]))
976 g_strlcpy(logic_threshold_short[i],
977 (*config->logic_threshold)[i], strlen((*config->logic_threshold)[i]));
978 }
979
980 for (i = 0; i < config->digital_pods; i++) {
981 g_snprintf(command, sizeof(command),
982 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE],
983 i + 1);
984
985 if (sr_scpi_get_bool(scpi, command,
986 &state->digital_pods[i].state) != SR_OK)
987 goto exit;
988
989 /* Check if the threshold command is based on the POD or digital channel index. */
990 if (config->logic_threshold_for_pod)
991 idx = i + 1;
992 else
993 idx = i * DIGITAL_CHANNELS_PER_POD;
994
995 g_snprintf(command, sizeof(command),
996 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD],
997 idx);
998
999 /* Check for both standard and shortened responses. */
1000 if (scope_state_get_array_option(scpi, command, config->logic_threshold,
1001 config->num_logic_threshold,
1002 &state->digital_pods[i].threshold) != SR_OK)
1003 if (scope_state_get_array_option(scpi, command, (const char * (*)[]) &logic_threshold_short,
1004 config->num_logic_threshold,
1005 &state->digital_pods[i].threshold) != SR_OK)
1006 goto exit;
1007
1008 /* If used-defined or custom threshold is active, get the level. */
1009 if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1010 g_snprintf(command, sizeof(command),
1011 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1012 idx, 1); /* USER1 logic threshold setting. */
1013 else if (!strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1014 g_snprintf(command, sizeof(command),
1015 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1016 idx, 2); /* USER2 for custom logic_threshold setting. */
1017 else if (!strcmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1018 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1019 g_snprintf(command, sizeof(command),
1020 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1021 idx); /* USER or MAN for custom logic_threshold setting. */
1022 if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1023 !strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1024 !strcmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1025 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1026 if (sr_scpi_get_float(scpi, command,
1027 &state->digital_pods[i].user_threshold) != SR_OK)
1028 goto exit;
1029 }
1030
1031 result = SR_OK;
1032
1033exit:
1034 for (i = 0; i < config->num_logic_threshold; i++)
1035 g_free(logic_threshold_short[i]);
1036
1037 return result;
1038}
1039
1040SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi)
1041{
1042 struct dev_context *devc;
1043 struct scope_state *state;
1044 const struct scope_config *config;
1045 float tmp_float;
1046
1047 devc = sdi->priv;
1048 config = devc->model_config;
1049 state = devc->model_state;
1050
1051 if (sr_scpi_get_float(sdi->conn,
1052 (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE],
1053 &tmp_float) != SR_OK)
1054 return SR_ERR;
1055
1056 state->sample_rate = tmp_float;
1057
1058 return SR_OK;
1059}
1060
1061SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi)
1062{
1063 struct dev_context *devc;
1064 struct scope_state *state;
1065 const struct scope_config *config;
1066 float tmp_float;
1067 unsigned int i;
1068 char *tmp_str;
1069
1070 devc = sdi->priv;
1071 config = devc->model_config;
1072 state = devc->model_state;
1073
1074 sr_info("Fetching scope state");
1075
1076 if (analog_channel_state_get(sdi, config, state) != SR_OK)
1077 return SR_ERR;
1078
1079 if (digital_channel_state_get(sdi, config, state) != SR_OK)
1080 return SR_ERR;
1081
1082 if (sr_scpi_get_string(sdi->conn,
1083 (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
1084 &tmp_str) != SR_OK)
1085 return SR_ERR;
1086
1087 if (array_float_get(tmp_str, ARRAY_AND_SIZE(timebases), &i) != SR_OK) {
1088 g_free(tmp_str);
1089 sr_err("Could not determine array index for time base.");
1090 return SR_ERR;
1091 }
1092 g_free(tmp_str);
1093
1094 state->timebase = i;
1095
1096 /* Determine the number of horizontal (x) divisions. */
1097 if (sr_scpi_get_int(sdi->conn,
1098 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZONTAL_DIV],
1099 (int *)&config->num_xdivs) != SR_OK)
1100 return SR_ERR;
1101
1102 if (sr_scpi_get_float(sdi->conn,
1103 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
1104 &tmp_float) != SR_OK)
1105 return SR_ERR;
1106 state->horiz_triggerpos = tmp_float /
1107 (((double) (*config->timebases)[state->timebase][0] /
1108 (*config->timebases)[state->timebase][1]) * config->num_xdivs);
1109 state->horiz_triggerpos -= 0.5;
1110 state->horiz_triggerpos *= -1;
1111
1112 if (scope_state_get_array_option(sdi->conn,
1113 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE],
1114 config->trigger_sources, config->num_trigger_sources,
1115 &state->trigger_source) != SR_OK)
1116 return SR_ERR;
1117
1118 if (scope_state_get_array_option(sdi->conn,
1119 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE],
1120 config->trigger_slopes, config->num_trigger_slopes,
1121 &state->trigger_slope) != SR_OK)
1122 return SR_ERR;
1123
1124 if (sr_scpi_get_string(sdi->conn,
1125 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_PATTERN],
1126 &tmp_str) != SR_OK)
1127 return SR_ERR;
1128 strncpy(state->trigger_pattern,
1129 sr_scpi_unquote_string(tmp_str),
1130 MAX_ANALOG_CHANNEL_COUNT + MAX_DIGITAL_CHANNEL_COUNT);
1131 g_free(tmp_str);
1132
1133 if (sr_scpi_get_string(sdi->conn,
1134 (*config->scpi_dialect)[SCPI_CMD_GET_HIGH_RESOLUTION],
1135 &tmp_str) != SR_OK)
1136 return SR_ERR;
1137 if (!strcmp("OFF", tmp_str))
1138 state->high_resolution = FALSE;
1139 else
1140 state->high_resolution = TRUE;
1141 g_free(tmp_str);
1142
1143 if (sr_scpi_get_string(sdi->conn,
1144 (*config->scpi_dialect)[SCPI_CMD_GET_PEAK_DETECTION],
1145 &tmp_str) != SR_OK)
1146 return SR_ERR;
1147 if (!strcmp("OFF", tmp_str))
1148 state->peak_detection = FALSE;
1149 else
1150 state->peak_detection = TRUE;
1151 g_free(tmp_str);
1152
1153 if (hmo_update_sample_rate(sdi) != SR_OK)
1154 return SR_ERR;
1155
1156 sr_info("Fetching finished.");
1157
1158 scope_state_dump(config, state);
1159
1160 return SR_OK;
1161}
1162
1163static struct scope_state *scope_state_new(const struct scope_config *config)
1164{
1165 struct scope_state *state;
1166
1167 state = g_malloc0(sizeof(struct scope_state));
1168 state->analog_channels = g_malloc0_n(config->analog_channels,
1169 sizeof(struct analog_channel_state));
1170 state->digital_channels = g_malloc0_n(
1171 config->digital_channels, sizeof(gboolean));
1172 state->digital_pods = g_malloc0_n(config->digital_pods,
1173 sizeof(struct digital_pod_state));
1174
1175 return state;
1176}
1177
1178SR_PRIV void hmo_scope_state_free(struct scope_state *state)
1179{
1180 g_free(state->analog_channels);
1181 g_free(state->digital_channels);
1182 g_free(state->digital_pods);
1183 g_free(state);
1184}
1185
1186SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
1187{
1188 int model_index;
1189 unsigned int i, j, group;
1190 struct sr_channel *ch;
1191 struct dev_context *devc;
1192 int ret;
1193
1194 devc = sdi->priv;
1195 model_index = -1;
1196
1197 /* Find the exact model. */
1198 for (i = 0; i < ARRAY_SIZE(scope_models); i++) {
1199 for (j = 0; scope_models[i].name[j]; j++) {
1200 if (!strcmp(sdi->model, scope_models[i].name[j])) {
1201 model_index = i;
1202 break;
1203 }
1204 }
1205 if (model_index != -1)
1206 break;
1207 }
1208
1209 if (model_index == -1) {
1210 sr_dbg("Unsupported device.");
1211 return SR_ERR_NA;
1212 }
1213
1214 /* Configure the number of PODs given the number of digital channels. */
1215 scope_models[model_index].digital_pods = scope_models[model_index].digital_channels / DIGITAL_CHANNELS_PER_POD;
1216
1217 devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) *
1218 scope_models[model_index].analog_channels);
1219 devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) *
1220 scope_models[model_index].digital_pods);
1221 if (!devc->analog_groups || !devc->digital_groups) {
1222 g_free(devc->analog_groups);
1223 g_free(devc->digital_groups);
1224 return SR_ERR_MALLOC;
1225 }
1226
1227 /* Add analog channels. */
1228 for (i = 0; i < scope_models[model_index].analog_channels; i++) {
1229 ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE,
1230 (*scope_models[model_index].analog_names)[i]);
1231
1232 devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
1233
1234 devc->analog_groups[i]->name = g_strdup(
1235 (char *)(*scope_models[model_index].analog_names)[i]);
1236 devc->analog_groups[i]->channels = g_slist_append(NULL, ch);
1237
1238 sdi->channel_groups = g_slist_append(sdi->channel_groups,
1239 devc->analog_groups[i]);
1240 }
1241
1242 /* Add digital channel groups. */
1243 ret = SR_OK;
1244 for (i = 0; i < scope_models[model_index].digital_pods; i++) {
1245 devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
1246 if (!devc->digital_groups[i]) {
1247 ret = SR_ERR_MALLOC;
1248 break;
1249 }
1250 devc->digital_groups[i]->name = g_strdup_printf("POD%d", i + 1);
1251 sdi->channel_groups = g_slist_append(sdi->channel_groups,
1252 devc->digital_groups[i]);
1253 }
1254 if (ret != SR_OK)
1255 return ret;
1256
1257 /* Add digital channels. */
1258 for (i = 0; i < scope_models[model_index].digital_channels; i++) {
1259 ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
1260 (*scope_models[model_index].digital_names)[i]);
1261
1262 group = i / DIGITAL_CHANNELS_PER_POD;
1263 devc->digital_groups[group]->channels = g_slist_append(
1264 devc->digital_groups[group]->channels, ch);
1265 }
1266
1267 devc->model_config = &scope_models[model_index];
1268 devc->samples_limit = 0;
1269 devc->frame_limit = 0;
1270
1271 if (!(devc->model_state = scope_state_new(devc->model_config)))
1272 return SR_ERR_MALLOC;
1273
1274 return SR_OK;
1275}
1276
1277/* Queue data of one channel group, for later submission. */
1278SR_PRIV void hmo_queue_logic_data(struct dev_context *devc,
1279 size_t group, GByteArray *pod_data)
1280{
1281 size_t size;
1282 GByteArray *store;
1283 uint8_t *logic_data;
1284 size_t idx, logic_step;
1285
1286 /*
1287 * Upon first invocation, allocate the array which can hold the
1288 * combined logic data for all channels. Assume that each channel
1289 * will yield an identical number of samples per receive call.
1290 *
1291 * As a poor man's safety measure: (Silently) skip processing
1292 * for unexpected sample counts, and ignore samples for
1293 * unexpected channel groups. Don't bother with complicated
1294 * resize logic, considering that many models only support one
1295 * pod, and the most capable supported models have two pods of
1296 * identical size. We haven't yet seen any "odd" configuration.
1297 */
1298 if (!devc->logic_data) {
1299 size = pod_data->len * devc->pod_count;
1300 store = g_byte_array_sized_new(size);
1301 memset(store->data, 0, size);
1302 store = g_byte_array_set_size(store, size);
1303 devc->logic_data = store;
1304 } else {
1305 store = devc->logic_data;
1306 size = store->len / devc->pod_count;
1307 if (group >= devc->pod_count)
1308 return;
1309 }
1310
1311 /*
1312 * Fold the data of the most recently received channel group into
1313 * the storage, where data resides for all channels combined.
1314 */
1315 logic_data = store->data;
1316 logic_data += group;
1317 logic_step = devc->pod_count;
1318 for (idx = 0; idx < pod_data->len; idx++) {
1319 *logic_data = pod_data->data[idx];
1320 logic_data += logic_step;
1321 }
1322
1323 /* Truncate acquisition if a smaller number of samples has been requested. */
1324 if (devc->samples_limit > 0 && devc->logic_data->len > devc->samples_limit * devc->pod_count)
1325 devc->logic_data->len = devc->samples_limit * devc->pod_count;
1326}
1327
1328/* Submit data for all channels, after the individual groups got collected. */
1329SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi,
1330 struct dev_context *devc)
1331{
1332 struct sr_datafeed_packet packet;
1333 struct sr_datafeed_logic logic;
1334
1335 if (!devc->logic_data)
1336 return;
1337
1338 logic.data = devc->logic_data->data;
1339 logic.length = devc->logic_data->len;
1340 logic.unitsize = devc->pod_count;
1341
1342 packet.type = SR_DF_LOGIC;
1343 packet.payload = &logic;
1344
1345 sr_session_send(sdi, &packet);
1346}
1347
1348/* Undo previous resource allocation. */
1349SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc)
1350{
1351
1352 if (devc->logic_data) {
1353 g_byte_array_free(devc->logic_data, TRUE);
1354 devc->logic_data = NULL;
1355 }
1356 /*
1357 * Keep 'pod_count'! It's required when more frames will be
1358 * received, and does not harm when kept after acquisition.
1359 */
1360}
1361
1362SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
1363{
1364 struct sr_channel *ch;
1365 struct sr_dev_inst *sdi;
1366 struct dev_context *devc;
1367 struct scope_state *state;
1368 struct sr_datafeed_packet packet;
1369 GByteArray *data;
1370 struct sr_datafeed_analog analog;
1371 struct sr_analog_encoding encoding;
1372 struct sr_analog_meaning meaning;
1373 struct sr_analog_spec spec;
1374 struct sr_datafeed_logic logic;
1375 size_t group;
1376
1377 (void)fd;
1378 (void)revents;
1379
1380 data = NULL;
1381
1382 if (!(sdi = cb_data))
1383 return TRUE;
1384
1385 if (!(devc = sdi->priv))
1386 return TRUE;
1387
1388 /* Although this is correct in general, the USBTMC libusb implementation
1389 * currently does not generate an event prior to the first read. Often
1390 * it is ok to start reading just after the 50ms timeout. See bug #785.
1391 if (revents != G_IO_IN)
1392 return TRUE;
1393 */
1394
1395 ch = devc->current_channel->data;
1396 state = devc->model_state;
1397
1398 /*
1399 * Send "frame begin" packet upon reception of data for the
1400 * first enabled channel.
1401 */
1402 if (devc->current_channel == devc->enabled_channels) {
1403 packet.type = SR_DF_FRAME_BEGIN;
1404 sr_session_send(sdi, &packet);
1405 }
1406
1407 /*
1408 * Pass on the received data of the channel(s).
1409 */
1410 switch (ch->type) {
1411 case SR_CHANNEL_ANALOG:
1412 if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
1413 if (data)
1414 g_byte_array_free(data, TRUE);
1415 return TRUE;
1416 }
1417
1418 packet.type = SR_DF_ANALOG;
1419
1420 analog.data = data->data;
1421 analog.num_samples = data->len / sizeof(float);
1422 /* Truncate acquisition if a smaller number of samples has been requested. */
1423 if (devc->samples_limit > 0 && analog.num_samples > devc->samples_limit)
1424 analog.num_samples = devc->samples_limit;
1425 analog.encoding = &encoding;
1426 analog.meaning = &meaning;
1427 analog.spec = &spec;
1428
1429 encoding.unitsize = sizeof(float);
1430 encoding.is_signed = TRUE;
1431 encoding.is_float = TRUE;
1432#ifdef WORDS_BIGENDIAN
1433 encoding.is_bigendian = TRUE;
1434#else
1435 encoding.is_bigendian = FALSE;
1436#endif
1437 /* TODO: Use proper 'digits' value for this device (and its modes). */
1438 encoding.digits = 2;
1439 encoding.is_digits_decimal = FALSE;
1440 encoding.scale.p = 1;
1441 encoding.scale.q = 1;
1442 encoding.offset.p = 0;
1443 encoding.offset.q = 1;
1444 if (state->analog_channels[ch->index].probe_unit == 'V') {
1445 meaning.mq = SR_MQ_VOLTAGE;
1446 meaning.unit = SR_UNIT_VOLT;
1447 } else {
1448 meaning.mq = SR_MQ_CURRENT;
1449 meaning.unit = SR_UNIT_AMPERE;
1450 }
1451 meaning.mqflags = 0;
1452 meaning.channels = g_slist_append(NULL, ch);
1453 /* TODO: Use proper 'digits' value for this device (and its modes). */
1454 spec.spec_digits = 2;
1455 packet.payload = &analog;
1456 sr_session_send(sdi, &packet);
1457 devc->num_samples = data->len / sizeof(float);
1458 g_slist_free(meaning.channels);
1459 g_byte_array_free(data, TRUE);
1460 data = NULL;
1461 break;
1462 case SR_CHANNEL_LOGIC:
1463 if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
1464 if (data)
1465 g_byte_array_free(data, TRUE);
1466 return TRUE;
1467 }
1468
1469 /*
1470 * If only data from the first pod is involved in the
1471 * acquisition, then the raw input bytes can get passed
1472 * forward for performance reasons. When the second pod
1473 * is involved (either alone, or in combination with the
1474 * first pod), then the received bytes need to be put
1475 * into memory in such a layout that all channel groups
1476 * get combined, and a unitsize larger than a single byte
1477 * applies. The "queue" logic transparently copes with
1478 * any such configuration. This works around the lack
1479 * of support for "meaning" to logic data, which is used
1480 * above for analog data.
1481 */
1482 if (devc->pod_count == 1) {
1483 packet.type = SR_DF_LOGIC;
1484 logic.data = data->data;
1485 logic.length = data->len;
1486 /* Truncate acquisition if a smaller number of samples has been requested. */
1487 if (devc->samples_limit > 0 && logic.length > devc->samples_limit)
1488 logic.length = devc->samples_limit;
1489 logic.unitsize = 1;
1490 packet.payload = &logic;
1491 sr_session_send(sdi, &packet);
1492 } else {
1493 group = ch->index / DIGITAL_CHANNELS_PER_POD;
1494 hmo_queue_logic_data(devc, group, data);
1495 }
1496
1497 devc->num_samples = data->len / devc->pod_count;
1498 g_byte_array_free(data, TRUE);
1499 data = NULL;
1500 break;
1501 default:
1502 sr_err("Invalid channel type.");
1503 break;
1504 }
1505
1506 /*
1507 * Advance to the next enabled channel. When data for all enabled
1508 * channels was received, then flush potentially queued logic data,
1509 * and send the "frame end" packet.
1510 */
1511 if (devc->current_channel->next) {
1512 devc->current_channel = devc->current_channel->next;
1513 hmo_request_data(sdi);
1514 return TRUE;
1515 }
1516 hmo_send_logic_packet(sdi, devc);
1517
1518 /*
1519 * Release the logic data storage after each frame. This copes
1520 * with sample counts that differ in length per frame. -- Is
1521 * this a real constraint when acquiring multiple frames with
1522 * identical device settings?
1523 */
1524 hmo_cleanup_logic_data(devc);
1525
1526 packet.type = SR_DF_FRAME_END;
1527 sr_session_send(sdi, &packet);
1528
1529 /*
1530 * End of frame was reached. Stop acquisition after the specified
1531 * number of frames or after the specified number of samples, or
1532 * continue reception by starting over at the first enabled channel.
1533 */
1534 if (++devc->num_frames >= devc->frame_limit || devc->num_samples >= devc->samples_limit) {
1535 sr_dev_acquisition_stop(sdi);
1536 hmo_cleanup_logic_data(devc);
1537 } else {
1538 devc->current_channel = devc->enabled_channels;
1539 hmo_request_data(sdi);
1540 }
1541
1542 return TRUE;
1543}
Hardware access and backend lib