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hameg-hmo: Rename SCPI_CMD_GET_VERTICAL_DIV to *_SCALE.
[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_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_ANALOG_DATA] = ":FORM:BORD %s;" \
41 ":FORM REAL,32;:CHAN%d:DATA?",
42 [SCPI_CMD_GET_VERTICAL_SCALE] = ":CHAN%d:SCAL?",
43 [SCPI_CMD_SET_VERTICAL_SCALE] = ":CHAN%d:SCAL %s",
44 [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?",
45 [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d",
46 [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
47 [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s",
48 [SCPI_CMD_GET_TRIGGER_PATTERN] = ":TRIG:A:PATT:SOUR?",
49 [SCPI_CMD_SET_TRIGGER_PATTERN] = ":TRIG:A:TYPE LOGIC;" \
50 ":TRIG:A:PATT:FUNC AND;" \
51 ":TRIG:A:PATT:COND \"TRUE\";" \
52 ":TRIG:A:PATT:MODE OFF;" \
53 ":TRIG:A:PATT:SOUR \"%s\"",
54 [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?",
55 [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
56 [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
57 [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
58 [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?",
59 [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
60 [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s",
61 [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
62 [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
63 [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?",
64 [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":POD%d:THR?",
65 [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":POD%d:THR %s",
66 [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d?",
67 [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d %s",
68};
69
70static const char *rohde_schwarz_log_not_pod_scpi_dialect[] = {
71 [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;:LOG%d:DATA?",
72 [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?",
73 [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s",
74 [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
75 [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
76 [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?",
77 [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \
78 ":FORM REAL,32;:CHAN%d:DATA?",
79 [SCPI_CMD_GET_VERTICAL_SCALE] = ":CHAN%d:SCAL?",
80 [SCPI_CMD_SET_VERTICAL_SCALE] = ":CHAN%d:SCAL %s",
81 [SCPI_CMD_GET_DIG_POD_STATE] = ":LOG%d:STAT?",
82 [SCPI_CMD_SET_DIG_POD_STATE] = ":LOG%d:STAT %d",
83 [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
84 [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s",
85 [SCPI_CMD_GET_TRIGGER_PATTERN] = ":TRIG:A:PATT:SOUR?",
86 [SCPI_CMD_SET_TRIGGER_PATTERN] = ":TRIG:A:TYPE LOGIC;" \
87 ":TRIG:A:PATT:FUNC AND;" \
88 ":TRIG:A:PATT:COND \"TRUE\";" \
89 ":TRIG:A:PATT:MODE OFF;" \
90 ":TRIG:A:PATT:SOUR \"%s\"",
91 [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?",
92 [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
93 [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
94 [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
95 [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?", /* Might not be supported on RTB200x... */
96 [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
97 [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s",
98 [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
99 [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
100 [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?",
101 [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":DIG%d:TECH?",
102 [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":DIG%d:TECH %s",
103 [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":DIG%d:THR?",
104 [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":DIG%d:THR %s",
105};
106
107static const uint32_t devopts[] = {
108 SR_CONF_OSCILLOSCOPE,
109 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
110 SR_CONF_LIMIT_FRAMES | SR_CONF_SET,
111 SR_CONF_SAMPLERATE | SR_CONF_GET,
112 SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
113 SR_CONF_NUM_HDIV | SR_CONF_GET,
114 SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET,
115 SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
116 SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
117 SR_CONF_TRIGGER_PATTERN | SR_CONF_GET | SR_CONF_SET,
118};
119
120static const uint32_t devopts_cg_analog[] = {
121 SR_CONF_NUM_VDIV | SR_CONF_GET,
122 SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
123 SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
124};
125
126static const uint32_t devopts_cg_digital[] = {
127 SR_CONF_LOGIC_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
128 SR_CONF_LOGIC_THRESHOLD_CUSTOM | SR_CONF_GET | SR_CONF_SET,
129};
130
131static const char *coupling_options[] = {
132 "AC", // AC with 50 Ohm termination (152x, 202x, 30xx, 1202)
133 "ACL", // AC with 1 MOhm termination
134 "DC", // DC with 50 Ohm termination
135 "DCL", // DC with 1 MOhm termination
136 "GND",
137};
138
139static const char *coupling_options_rtb200x[] = {
140 "ACL", // AC with 1 MOhm termination
141 "DCL", // DC with 1 MOhm termination
142 "GND",
143};
144
145static const char *coupling_options_rtm300x[] = {
146 "ACL", // AC with 1 MOhm termination
147 "DC", // DC with 50 Ohm termination
148 "DCL", // DC with 1 MOhm termination
149 "GND",
150};
151
152static const char *scope_trigger_slopes[] = {
153 "POS",
154 "NEG",
155 "EITH",
156};
157
158/* Predefined logic thresholds. */
159static const char *logic_threshold[] = {
160 "TTL",
161 "ECL",
162 "CMOS",
163 "USER1",
164 "USER2", // overwritten by logic_threshold_custom, use USER1 for permanent setting
165};
166
167static const char *logic_threshold_rtb200x_rtm300x[] = {
168 "TTL",
169 "ECL",
170 "CMOS",
171 "MAN", // overwritten by logic_threshold_custom
172};
173
174/* RTC1002, HMO Compact2 and HMO1002/HMO1202 */
175static const char *an2_dig8_trigger_sources[] = {
176 "CH1", "CH2",
177 "LINE", "EXT", "PATT", "BUS1", "BUS2",
178 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
179};
180
181/* HMO3xx2 */
182static const char *an2_dig16_trigger_sources[] = {
183 "CH1", "CH2",
184 "LINE", "EXT", "PATT", "BUS1", "BUS2",
185 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
186 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
187};
188
189/* RTB2002 and RTM3002 */
190static const char *an2_dig16_sbus_trigger_sources[] = {
191 "CH1", "CH2",
192 "LINE", "EXT", "PATT", "SBUS1", "SBUS2",
193 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
194 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
195};
196
197/* HMO Compact4 */
198static const char *an4_dig8_trigger_sources[] = {
199 "CH1", "CH2", "CH3", "CH4",
200 "LINE", "EXT", "PATT", "BUS1", "BUS2",
201 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
202};
203
204/* HMO3xx4 and HMO2524 */
205static const char *an4_dig16_trigger_sources[] = {
206 "CH1", "CH2", "CH3", "CH4",
207 "LINE", "EXT", "PATT", "BUS1", "BUS2",
208 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
209 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
210};
211
212/* RTB2004, RTM3004 and RTA4004 */
213static const char *an4_dig16_sbus_trigger_sources[] = {
214 "CH1", "CH2", "CH3", "CH4",
215 "LINE", "EXT", "PATT", "SBUS1", "SBUS2",
216 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
217 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
218};
219
220static const uint64_t timebases[][2] = {
221 /* nanoseconds */
222 { 1, 1000000000 },
223 { 2, 1000000000 },
224 { 5, 1000000000 },
225 { 10, 1000000000 },
226 { 20, 1000000000 },
227 { 50, 1000000000 },
228 { 100, 1000000000 },
229 { 200, 1000000000 },
230 { 500, 1000000000 },
231 /* microseconds */
232 { 1, 1000000 },
233 { 2, 1000000 },
234 { 5, 1000000 },
235 { 10, 1000000 },
236 { 20, 1000000 },
237 { 50, 1000000 },
238 { 100, 1000000 },
239 { 200, 1000000 },
240 { 500, 1000000 },
241 /* milliseconds */
242 { 1, 1000 },
243 { 2, 1000 },
244 { 5, 1000 },
245 { 10, 1000 },
246 { 20, 1000 },
247 { 50, 1000 },
248 { 100, 1000 },
249 { 200, 1000 },
250 { 500, 1000 },
251 /* seconds */
252 { 1, 1 },
253 { 2, 1 },
254 { 5, 1 },
255 { 10, 1 },
256 { 20, 1 },
257 { 50, 1 },
258};
259
260/* HMO Compact series (HMO722/724/1022/1024/1522/1524/2022/2024) do
261 * not support 1 ns timebase setting.
262 */
263static const uint64_t timebases_hmo_compact[][2] = {
264 /* nanoseconds */
265 { 2, 1000000000 },
266 { 5, 1000000000 },
267 { 10, 1000000000 },
268 { 20, 1000000000 },
269 { 50, 1000000000 },
270 { 100, 1000000000 },
271 { 200, 1000000000 },
272 { 500, 1000000000 },
273 /* microseconds */
274 { 1, 1000000 },
275 { 2, 1000000 },
276 { 5, 1000000 },
277 { 10, 1000000 },
278 { 20, 1000000 },
279 { 50, 1000000 },
280 { 100, 1000000 },
281 { 200, 1000000 },
282 { 500, 1000000 },
283 /* milliseconds */
284 { 1, 1000 },
285 { 2, 1000 },
286 { 5, 1000 },
287 { 10, 1000 },
288 { 20, 1000 },
289 { 50, 1000 },
290 { 100, 1000 },
291 { 200, 1000 },
292 { 500, 1000 },
293 /* seconds */
294 { 1, 1 },
295 { 2, 1 },
296 { 5, 1 },
297 { 10, 1 },
298 { 20, 1 },
299 { 50, 1 },
300};
301
302static const uint64_t vdivs[][2] = {
303 /* millivolts */
304 { 1, 1000 },
305 { 2, 1000 },
306 { 5, 1000 },
307 { 10, 1000 },
308 { 20, 1000 },
309 { 50, 1000 },
310 { 100, 1000 },
311 { 200, 1000 },
312 { 500, 1000 },
313 /* volts */
314 { 1, 1 },
315 { 2, 1 },
316 { 5, 1 },
317 { 10, 1 },
318};
319
320static const char *scope_analog_channel_names[] = {
321 "CH1", "CH2", "CH3", "CH4",
322};
323
324static const char *scope_digital_channel_names[] = {
325 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
326 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
327};
328
329static const struct scope_config scope_models[] = {
330 {
331 /* HMO Compact2: HMO722/1022/1522/2022 support only 8 digital channels. */
332 .name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
333 .analog_channels = 2,
334 .digital_channels = 8,
335
336 .analog_names = &scope_analog_channel_names,
337 .digital_names = &scope_digital_channel_names,
338
339 .devopts = &devopts,
340 .num_devopts = ARRAY_SIZE(devopts),
341
342 .devopts_cg_analog = &devopts_cg_analog,
343 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
344
345 .devopts_cg_digital = &devopts_cg_digital,
346 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
347
348 .coupling_options = &coupling_options,
349 .num_coupling_options = ARRAY_SIZE(coupling_options),
350
351 .logic_threshold = &logic_threshold,
352 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
353 .logic_threshold_for_pod = TRUE,
354
355 .trigger_sources = &an2_dig8_trigger_sources,
356 .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
357
358 .trigger_slopes = &scope_trigger_slopes,
359 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
360
361 .timebases = &timebases_hmo_compact,
362 .num_timebases = ARRAY_SIZE(timebases_hmo_compact),
363
364 .vdivs = &vdivs,
365 .num_vdivs = ARRAY_SIZE(vdivs),
366
367 .num_xdivs = 12,
368 .num_ydivs = 8,
369
370 .scpi_dialect = &hameg_scpi_dialect,
371 },
372 {
373 /* RTC1002 and HMO1002/HMO1202 support only 8 digital channels. */
374 .name = {"RTC1002", "HMO1002", "HMO1202", NULL},
375 .analog_channels = 2,
376 .digital_channels = 8,
377 .digital_pods = 1,
378
379 .analog_names = &scope_analog_channel_names,
380 .digital_names = &scope_digital_channel_names,
381
382 .devopts = &devopts,
383 .num_devopts = ARRAY_SIZE(devopts),
384
385 .devopts_cg_analog = &devopts_cg_analog,
386 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
387
388 .devopts_cg_digital = &devopts_cg_digital,
389 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
390
391 .coupling_options = &coupling_options,
392 .num_coupling_options = ARRAY_SIZE(coupling_options),
393
394 .logic_threshold = &logic_threshold,
395 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
396 .logic_threshold_for_pod = TRUE,
397
398 .trigger_sources = &an2_dig8_trigger_sources,
399 .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
400
401 .trigger_slopes = &scope_trigger_slopes,
402 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
403
404 .timebases = &timebases,
405 .num_timebases = ARRAY_SIZE(timebases),
406
407 .vdivs = &vdivs,
408 .num_vdivs = ARRAY_SIZE(vdivs),
409
410 .num_xdivs = 12,
411 .num_ydivs = 8,
412
413 .scpi_dialect = &hameg_scpi_dialect,
414 },
415 {
416 /* HMO3032/3042/3052/3522 support 16 digital channels. */
417 .name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL},
418 .analog_channels = 2,
419 .digital_channels = 16,
420 .digital_pods = 2,
421
422 .analog_names = &scope_analog_channel_names,
423 .digital_names = &scope_digital_channel_names,
424
425 .devopts = &devopts,
426 .num_devopts = ARRAY_SIZE(devopts),
427
428 .devopts_cg_analog = &devopts_cg_analog,
429 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
430
431 .devopts_cg_digital = &devopts_cg_digital,
432 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
433
434 .coupling_options = &coupling_options,
435 .num_coupling_options = ARRAY_SIZE(coupling_options),
436
437 .logic_threshold = &logic_threshold,
438 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
439 .logic_threshold_for_pod = TRUE,
440
441 .trigger_sources = &an2_dig16_trigger_sources,
442 .num_trigger_sources = ARRAY_SIZE(an2_dig16_trigger_sources),
443
444 .trigger_slopes = &scope_trigger_slopes,
445 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
446
447 .timebases = &timebases,
448 .num_timebases = ARRAY_SIZE(timebases),
449
450 .vdivs = &vdivs,
451 .num_vdivs = ARRAY_SIZE(vdivs),
452
453 .num_xdivs = 12,
454 .num_ydivs = 8,
455
456 .scpi_dialect = &hameg_scpi_dialect,
457 },
458 {
459 /* HMO Compact4: HMO724/1024/1524/2024 support only 8 digital channels. */
460 .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
461 .analog_channels = 4,
462 .digital_channels = 8,
463 .digital_pods = 1,
464
465 .analog_names = &scope_analog_channel_names,
466 .digital_names = &scope_digital_channel_names,
467
468 .devopts = &devopts,
469 .num_devopts = ARRAY_SIZE(devopts),
470
471 .devopts_cg_analog = &devopts_cg_analog,
472 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
473
474 .devopts_cg_digital = &devopts_cg_digital,
475 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
476
477 .coupling_options = &coupling_options,
478 .num_coupling_options = ARRAY_SIZE(coupling_options),
479
480 .logic_threshold = &logic_threshold,
481 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
482 .logic_threshold_for_pod = TRUE,
483
484 .trigger_sources = &an4_dig8_trigger_sources,
485 .num_trigger_sources = ARRAY_SIZE(an4_dig8_trigger_sources),
486
487 .trigger_slopes = &scope_trigger_slopes,
488 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
489
490 .timebases = &timebases_hmo_compact,
491 .num_timebases = ARRAY_SIZE(timebases_hmo_compact),
492
493 .vdivs = &vdivs,
494 .num_vdivs = ARRAY_SIZE(vdivs),
495
496 .num_xdivs = 12,
497 .num_ydivs = 8,
498
499 .scpi_dialect = &hameg_scpi_dialect,
500 },
501 {
502 .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", "HMO3524", NULL},
503 .analog_channels = 4,
504 .digital_channels = 16,
505 .digital_pods = 2,
506
507 .analog_names = &scope_analog_channel_names,
508 .digital_names = &scope_digital_channel_names,
509
510 .devopts = &devopts,
511 .num_devopts = ARRAY_SIZE(devopts),
512
513 .devopts_cg_analog = &devopts_cg_analog,
514 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
515
516 .devopts_cg_digital = &devopts_cg_digital,
517 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
518
519 .coupling_options = &coupling_options,
520 .num_coupling_options = ARRAY_SIZE(coupling_options),
521
522 .logic_threshold = &logic_threshold,
523 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
524 .logic_threshold_for_pod = TRUE,
525
526 .trigger_sources = &an4_dig16_trigger_sources,
527 .num_trigger_sources = ARRAY_SIZE(an4_dig16_trigger_sources),
528
529 .trigger_slopes = &scope_trigger_slopes,
530 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
531
532 .timebases = &timebases,
533 .num_timebases = ARRAY_SIZE(timebases),
534
535 .vdivs = &vdivs,
536 .num_vdivs = ARRAY_SIZE(vdivs),
537
538 .num_xdivs = 12,
539 .num_ydivs = 8,
540
541 .scpi_dialect = &hameg_scpi_dialect,
542 },
543 {
544 .name = {"RTB2002", NULL},
545 .analog_channels = 2,
546 .digital_channels = 16,
547 .digital_pods = 2,
548
549 .analog_names = &scope_analog_channel_names,
550 .digital_names = &scope_digital_channel_names,
551
552 .devopts = &devopts,
553 .num_devopts = ARRAY_SIZE(devopts),
554
555 .devopts_cg_analog = &devopts_cg_analog,
556 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
557
558 .devopts_cg_digital = &devopts_cg_digital,
559 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
560
561 .coupling_options = &coupling_options_rtb200x,
562 .num_coupling_options = ARRAY_SIZE(coupling_options_rtb200x),
563
564 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
565 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
566 .logic_threshold_for_pod = FALSE,
567
568 .trigger_sources = &an2_dig16_sbus_trigger_sources,
569 .num_trigger_sources = ARRAY_SIZE(an2_dig16_sbus_trigger_sources),
570
571 .trigger_slopes = &scope_trigger_slopes,
572 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
573
574 .timebases = &timebases,
575 .num_timebases = ARRAY_SIZE(timebases),
576
577 .vdivs = &vdivs,
578 .num_vdivs = ARRAY_SIZE(vdivs),
579
580 .num_xdivs = 12,
581 .num_ydivs = 8,
582
583 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
584 },
585 {
586 .name = {"RTB2004", NULL},
587 .analog_channels = 4,
588 .digital_channels = 16,
589 .digital_pods = 2,
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_xdivs = 12,
623 .num_ydivs = 8,
624
625 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
626 },
627 {
628 .name = {"RTM3002", NULL},
629 .analog_channels = 2,
630 .digital_channels = 16,
631 .digital_pods = 2,
632
633 .analog_names = &scope_analog_channel_names,
634 .digital_names = &scope_digital_channel_names,
635
636 .devopts = &devopts,
637 .num_devopts = ARRAY_SIZE(devopts),
638
639 .devopts_cg_analog = &devopts_cg_analog,
640 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
641
642 .devopts_cg_digital = &devopts_cg_digital,
643 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
644
645 .coupling_options = &coupling_options_rtm300x,
646 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
647
648 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
649 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
650 .logic_threshold_for_pod = FALSE,
651
652 .trigger_sources = &an2_dig16_sbus_trigger_sources,
653 .num_trigger_sources = ARRAY_SIZE(an2_dig16_sbus_trigger_sources),
654
655 .trigger_slopes = &scope_trigger_slopes,
656 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
657
658 .timebases = &timebases,
659 .num_timebases = ARRAY_SIZE(timebases),
660
661 .vdivs = &vdivs,
662 .num_vdivs = ARRAY_SIZE(vdivs),
663
664 .num_xdivs = 12,
665 .num_ydivs = 8,
666
667 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
668 },
669 {
670 .name = {"RTM3004", NULL},
671 .analog_channels = 4,
672 .digital_channels = 16,
673 .digital_pods = 2,
674
675 .analog_names = &scope_analog_channel_names,
676 .digital_names = &scope_digital_channel_names,
677
678 .devopts = &devopts,
679 .num_devopts = ARRAY_SIZE(devopts),
680
681 .devopts_cg_analog = &devopts_cg_analog,
682 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
683
684 .devopts_cg_digital = &devopts_cg_digital,
685 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
686
687 .coupling_options = &coupling_options_rtm300x,
688 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
689
690 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
691 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
692 .logic_threshold_for_pod = FALSE,
693
694 .trigger_sources = &an4_dig16_sbus_trigger_sources,
695 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
696
697 .trigger_slopes = &scope_trigger_slopes,
698 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
699
700 .timebases = &timebases,
701 .num_timebases = ARRAY_SIZE(timebases),
702
703 .vdivs = &vdivs,
704 .num_vdivs = ARRAY_SIZE(vdivs),
705
706 .num_xdivs = 12,
707 .num_ydivs = 8,
708
709 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
710 },
711 {
712 .name = {"RTA4004", NULL},
713 .analog_channels = 4,
714 .digital_channels = 16,
715 .digital_pods = 2,
716
717 .analog_names = &scope_analog_channel_names,
718 .digital_names = &scope_digital_channel_names,
719
720 .devopts = &devopts,
721 .num_devopts = ARRAY_SIZE(devopts),
722
723 .devopts_cg_analog = &devopts_cg_analog,
724 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
725
726 .devopts_cg_digital = &devopts_cg_digital,
727 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
728
729 .coupling_options = &coupling_options_rtm300x,
730 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
731
732 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
733 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
734 .logic_threshold_for_pod = FALSE,
735
736 .trigger_sources = &an4_dig16_sbus_trigger_sources,
737 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
738
739 .trigger_slopes = &scope_trigger_slopes,
740 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
741
742 .timebases = &timebases,
743 .num_timebases = ARRAY_SIZE(timebases),
744
745 .vdivs = &vdivs,
746 .num_vdivs = ARRAY_SIZE(vdivs),
747
748 .num_xdivs = 12,
749 .num_ydivs = 8,
750
751 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
752 },
753};
754
755static void scope_state_dump(const struct scope_config *config,
756 struct scope_state *state)
757{
758 unsigned int i;
759 char *tmp;
760
761 for (i = 0; i < config->analog_channels; i++) {
762 tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0],
763 (*config->vdivs)[state->analog_channels[i].vdiv][1]);
764 sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)",
765 i + 1, state->analog_channels[i].state ? "On" : "Off",
766 (*config->coupling_options)[state->analog_channels[i].coupling],
767 tmp, state->analog_channels[i].vertical_offset);
768 }
769
770 for (i = 0; i < config->digital_channels; i++) {
771 sr_info("State of digital channel %d -> %s", i,
772 state->digital_channels[i] ? "On" : "Off");
773 }
774
775 for (i = 0; i < config->digital_pods; i++) {
776 if (!strncmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold], 4) ||
777 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
778 sr_info("State of digital POD %d -> %s : %E (threshold)", i + 1,
779 state->digital_pods[i].state ? "On" : "Off",
780 state->digital_pods[i].user_threshold);
781 else
782 sr_info("State of digital POD %d -> %s : %s (threshold)", i + 1,
783 state->digital_pods[i].state ? "On" : "Off",
784 (*config->logic_threshold)[state->digital_pods[i].threshold]);
785 }
786
787 tmp = sr_period_string((*config->timebases)[state->timebase][0],
788 (*config->timebases)[state->timebase][1]);
789 sr_info("Current timebase: %s", tmp);
790 g_free(tmp);
791
792 tmp = sr_samplerate_string(state->sample_rate);
793 sr_info("Current samplerate: %s", tmp);
794 g_free(tmp);
795
796 if (!strcmp("PATT", (*config->trigger_sources)[state->trigger_source]))
797 sr_info("Current trigger: %s (pattern), %.2f (offset)",
798 state->trigger_pattern,
799 state->horiz_triggerpos);
800 else // Edge (slope) trigger
801 sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)",
802 (*config->trigger_sources)[state->trigger_source],
803 (*config->trigger_slopes)[state->trigger_slope],
804 state->horiz_triggerpos);
805}
806
807static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi,
808 const char *command, const char *(*array)[], unsigned int n, int *result)
809{
810 char *tmp;
811 int idx;
812
813 if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK)
814 return SR_ERR;
815
816 if ((idx = std_str_idx_s(tmp, *array, n)) < 0) {
817 g_free(tmp);
818 return SR_ERR_ARG;
819 }
820
821 *result = idx;
822
823 g_free(tmp);
824
825 return SR_OK;
826}
827
828/**
829 * This function takes a value of the form "2.000E-03" and returns the index
830 * of an array where a matching pair was found.
831 *
832 * @param value The string to be parsed.
833 * @param array The array of s/f pairs.
834 * @param array_len The number of pairs in the array.
835 * @param result The index at which a matching pair was found.
836 *
837 * @return SR_ERR on any parsing error, SR_OK otherwise.
838 */
839static int array_float_get(gchar *value, const uint64_t array[][2],
840 int array_len, unsigned int *result)
841{
842 struct sr_rational rval;
843 struct sr_rational aval;
844
845 if (sr_parse_rational(value, &rval) != SR_OK)
846 return SR_ERR;
847
848 for (int i = 0; i < array_len; i++) {
849 sr_rational_set(&aval, array[i][0], array[i][1]);
850 if (sr_rational_eq(&rval, &aval)) {
851 *result = i;
852 return SR_OK;
853 }
854 }
855
856 return SR_ERR;
857}
858
859static struct sr_channel *get_channel_by_index_and_type(GSList *channel_lhead,
860 int index, int type)
861{
862 while (channel_lhead) {
863 struct sr_channel *ch = channel_lhead->data;
864 if (ch->index == index && ch->type == type)
865 return ch;
866
867 channel_lhead = channel_lhead->next;
868 }
869
870 return 0;
871}
872
873static int analog_channel_state_get(struct sr_dev_inst *sdi,
874 const struct scope_config *config,
875 struct scope_state *state)
876{
877 unsigned int i, j;
878 char command[MAX_COMMAND_SIZE];
879 char *tmp_str;
880 struct sr_channel *ch;
881 struct sr_scpi_dev_inst *scpi = sdi->conn;
882
883 for (i = 0; i < config->analog_channels; i++) {
884 g_snprintf(command, sizeof(command),
885 (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
886 i + 1);
887
888 if (sr_scpi_get_bool(scpi, command,
889 &state->analog_channels[i].state) != SR_OK)
890 return SR_ERR;
891
892 ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_ANALOG);
893 if (ch)
894 ch->enabled = state->analog_channels[i].state;
895
896 g_snprintf(command, sizeof(command),
897 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_SCALE],
898 i + 1);
899
900 if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
901 return SR_ERR;
902
903 if (array_float_get(tmp_str, ARRAY_AND_SIZE(vdivs), &j) != SR_OK) {
904 g_free(tmp_str);
905 sr_err("Could not determine array index for vertical div scale.");
906 return SR_ERR;
907 }
908
909 g_free(tmp_str);
910 state->analog_channels[i].vdiv = j;
911
912 g_snprintf(command, sizeof(command),
913 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
914 i + 1);
915
916 if (sr_scpi_get_float(scpi, command,
917 &state->analog_channels[i].vertical_offset) != SR_OK)
918 return SR_ERR;
919
920 g_snprintf(command, sizeof(command),
921 (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
922 i + 1);
923
924 if (scope_state_get_array_option(scpi, command, config->coupling_options,
925 config->num_coupling_options,
926 &state->analog_channels[i].coupling) != SR_OK)
927 return SR_ERR;
928
929 g_snprintf(command, sizeof(command),
930 (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT],
931 i + 1);
932
933 if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
934 return SR_ERR;
935
936 if (tmp_str[0] == 'A')
937 state->analog_channels[i].probe_unit = 'A';
938 else
939 state->analog_channels[i].probe_unit = 'V';
940 g_free(tmp_str);
941 }
942
943 return SR_OK;
944}
945
946static int digital_channel_state_get(struct sr_dev_inst *sdi,
947 const struct scope_config *config,
948 struct scope_state *state)
949{
950 unsigned int i, idx;
951 int result = SR_ERR;
952 static char *logic_threshold_short[] = {};
953 char command[MAX_COMMAND_SIZE];
954 struct sr_channel *ch;
955 struct sr_scpi_dev_inst *scpi = sdi->conn;
956
957 for (i = 0; i < config->digital_channels; i++) {
958 g_snprintf(command, sizeof(command),
959 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE],
960 i);
961
962 if (sr_scpi_get_bool(scpi, command,
963 &state->digital_channels[i]) != SR_OK)
964 return SR_ERR;
965
966 ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_LOGIC);
967 if (ch)
968 ch->enabled = state->digital_channels[i];
969 }
970
971 /* According to the SCPI standard, on models that support multiple
972 * user-defined logic threshold settings the response to the command
973 * SCPI_CMD_GET_DIG_POD_THRESHOLD might return "USER" instead of
974 * "USER1".
975 *
976 * This makes more difficult to validate the response when the logic
977 * threshold is set to "USER1" and therefore we need to prevent device
978 * opening failures in such configuration case...
979 */
980 for (i = 0; i < config->num_logic_threshold; i++) {
981 logic_threshold_short[i] = g_strdup((*config->logic_threshold)[i]);
982 if (!strcmp("USER1", (*config->logic_threshold)[i]))
983 g_strlcpy(logic_threshold_short[i],
984 (*config->logic_threshold)[i], strlen((*config->logic_threshold)[i]));
985 }
986
987 for (i = 0; i < config->digital_pods; i++) {
988 g_snprintf(command, sizeof(command),
989 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE],
990 i + 1);
991
992 if (sr_scpi_get_bool(scpi, command,
993 &state->digital_pods[i].state) != SR_OK)
994 goto exit;
995
996 /* Check if the threshold command is based on the POD or digital channel index. */
997 if (config->logic_threshold_for_pod)
998 idx = i + 1;
999 else
1000 idx = i * 8;
1001
1002 g_snprintf(command, sizeof(command),
1003 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD],
1004 idx);
1005
1006 /* Check for both standard and shortened responses. */
1007 if (scope_state_get_array_option(scpi, command, config->logic_threshold,
1008 config->num_logic_threshold,
1009 &state->digital_pods[i].threshold) != SR_OK)
1010 if (scope_state_get_array_option(scpi, command, (const char * (*)[]) &logic_threshold_short,
1011 config->num_logic_threshold,
1012 &state->digital_pods[i].threshold) != SR_OK)
1013 goto exit;
1014
1015 /* If used-defined or custom threshold is active, get the level. */
1016 if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1017 g_snprintf(command, sizeof(command),
1018 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1019 idx, 1); /* USER1 logic threshold setting. */
1020 else if (!strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1021 g_snprintf(command, sizeof(command),
1022 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1023 idx, 2); /* USER2 for custom logic_threshold setting. */
1024 else if (!strcmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1025 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1026 g_snprintf(command, sizeof(command),
1027 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1028 idx); /* USER or MAN for custom logic_threshold setting. */
1029 if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1030 !strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1031 !strcmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1032 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1033 if (sr_scpi_get_float(scpi, command,
1034 &state->digital_pods[i].user_threshold) != SR_OK)
1035 goto exit;
1036 }
1037
1038 result = SR_OK;
1039
1040exit:
1041 for (i = 0; i < config->num_logic_threshold; i++)
1042 g_free(logic_threshold_short[i]);
1043
1044 return result;
1045}
1046
1047SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi)
1048{
1049 struct dev_context *devc;
1050 struct scope_state *state;
1051 const struct scope_config *config;
1052 float tmp_float;
1053
1054 devc = sdi->priv;
1055 config = devc->model_config;
1056 state = devc->model_state;
1057
1058 if (sr_scpi_get_float(sdi->conn,
1059 (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE],
1060 &tmp_float) != SR_OK)
1061 return SR_ERR;
1062
1063 state->sample_rate = tmp_float;
1064
1065 return SR_OK;
1066}
1067
1068SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi)
1069{
1070 struct dev_context *devc;
1071 struct scope_state *state;
1072 const struct scope_config *config;
1073 float tmp_float;
1074 unsigned int i;
1075 char *tmp_str;
1076
1077 devc = sdi->priv;
1078 config = devc->model_config;
1079 state = devc->model_state;
1080
1081 sr_info("Fetching scope state");
1082
1083 if (analog_channel_state_get(sdi, config, state) != SR_OK)
1084 return SR_ERR;
1085
1086 if (digital_channel_state_get(sdi, config, state) != SR_OK)
1087 return SR_ERR;
1088
1089 if (sr_scpi_get_float(sdi->conn,
1090 (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
1091 &tmp_float) != SR_OK)
1092 return SR_ERR;
1093
1094 if (sr_scpi_get_string(sdi->conn,
1095 (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
1096 &tmp_str) != SR_OK)
1097 return SR_ERR;
1098
1099 if (array_float_get(tmp_str, ARRAY_AND_SIZE(timebases), &i) != SR_OK) {
1100 g_free(tmp_str);
1101 sr_err("Could not determine array index for time base.");
1102 return SR_ERR;
1103 }
1104 g_free(tmp_str);
1105
1106 state->timebase = i;
1107
1108 if (sr_scpi_get_float(sdi->conn,
1109 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
1110 &tmp_float) != SR_OK)
1111 return SR_ERR;
1112 state->horiz_triggerpos = tmp_float /
1113 (((double) (*config->timebases)[state->timebase][0] /
1114 (*config->timebases)[state->timebase][1]) * config->num_xdivs);
1115 state->horiz_triggerpos -= 0.5;
1116 state->horiz_triggerpos *= -1;
1117
1118 if (scope_state_get_array_option(sdi->conn,
1119 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE],
1120 config->trigger_sources, config->num_trigger_sources,
1121 &state->trigger_source) != SR_OK)
1122 return SR_ERR;
1123
1124 if (scope_state_get_array_option(sdi->conn,
1125 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE],
1126 config->trigger_slopes, config->num_trigger_slopes,
1127 &state->trigger_slope) != SR_OK)
1128 return SR_ERR;
1129
1130 if (sr_scpi_get_string(sdi->conn,
1131 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_PATTERN],
1132 &tmp_str) != SR_OK)
1133 return SR_ERR;
1134 strncpy(state->trigger_pattern,
1135 sr_scpi_unquote_string(tmp_str),
1136 MAX_ANALOG_CHANNEL_COUNT + MAX_DIGITAL_CHANNEL_COUNT);
1137 g_free(tmp_str);
1138
1139 if (hmo_update_sample_rate(sdi) != SR_OK)
1140 return SR_ERR;
1141
1142 sr_info("Fetching finished.");
1143
1144 scope_state_dump(config, state);
1145
1146 return SR_OK;
1147}
1148
1149static struct scope_state *scope_state_new(const struct scope_config *config)
1150{
1151 struct scope_state *state;
1152
1153 state = g_malloc0(sizeof(struct scope_state));
1154 state->analog_channels = g_malloc0_n(config->analog_channels,
1155 sizeof(struct analog_channel_state));
1156 state->digital_channels = g_malloc0_n(
1157 config->digital_channels, sizeof(gboolean));
1158 state->digital_pods = g_malloc0_n(config->digital_pods,
1159 sizeof(struct digital_pod_state));
1160
1161 return state;
1162}
1163
1164SR_PRIV void hmo_scope_state_free(struct scope_state *state)
1165{
1166 g_free(state->analog_channels);
1167 g_free(state->digital_channels);
1168 g_free(state->digital_pods);
1169 g_free(state);
1170}
1171
1172SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
1173{
1174 int model_index;
1175 unsigned int i, j, group;
1176 struct sr_channel *ch;
1177 struct dev_context *devc;
1178 int ret;
1179
1180 devc = sdi->priv;
1181 model_index = -1;
1182
1183 /* Find the exact model. */
1184 for (i = 0; i < ARRAY_SIZE(scope_models); i++) {
1185 for (j = 0; scope_models[i].name[j]; j++) {
1186 if (!strcmp(sdi->model, scope_models[i].name[j])) {
1187 model_index = i;
1188 break;
1189 }
1190 }
1191 if (model_index != -1)
1192 break;
1193 }
1194
1195 if (model_index == -1) {
1196 sr_dbg("Unsupported device.");
1197 return SR_ERR_NA;
1198 }
1199
1200 devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) *
1201 scope_models[model_index].analog_channels);
1202 devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) *
1203 scope_models[model_index].digital_pods);
1204 if (!devc->analog_groups || !devc->digital_groups) {
1205 g_free(devc->analog_groups);
1206 g_free(devc->digital_groups);
1207 return SR_ERR_MALLOC;
1208 }
1209
1210 /* Add analog channels. */
1211 for (i = 0; i < scope_models[model_index].analog_channels; i++) {
1212 ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE,
1213 (*scope_models[model_index].analog_names)[i]);
1214
1215 devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
1216
1217 devc->analog_groups[i]->name = g_strdup(
1218 (char *)(*scope_models[model_index].analog_names)[i]);
1219 devc->analog_groups[i]->channels = g_slist_append(NULL, ch);
1220
1221 sdi->channel_groups = g_slist_append(sdi->channel_groups,
1222 devc->analog_groups[i]);
1223 }
1224
1225 /* Add digital channel groups. */
1226 ret = SR_OK;
1227 for (i = 0; i < scope_models[model_index].digital_pods; i++) {
1228 devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
1229 if (!devc->digital_groups[i]) {
1230 ret = SR_ERR_MALLOC;
1231 break;
1232 }
1233 devc->digital_groups[i]->name = g_strdup_printf("POD%d", i + 1);
1234 sdi->channel_groups = g_slist_append(sdi->channel_groups,
1235 devc->digital_groups[i]);
1236 }
1237 if (ret != SR_OK)
1238 return ret;
1239
1240 /* Add digital channels. */
1241 for (i = 0; i < scope_models[model_index].digital_channels; i++) {
1242 ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
1243 (*scope_models[model_index].digital_names)[i]);
1244
1245 group = i / 8;
1246 devc->digital_groups[group]->channels = g_slist_append(
1247 devc->digital_groups[group]->channels, ch);
1248 }
1249
1250 devc->model_config = &scope_models[model_index];
1251 devc->samples_limit = 0;
1252 devc->frame_limit = 0;
1253
1254 if (!(devc->model_state = scope_state_new(devc->model_config)))
1255 return SR_ERR_MALLOC;
1256
1257 return SR_OK;
1258}
1259
1260/* Queue data of one channel group, for later submission. */
1261SR_PRIV void hmo_queue_logic_data(struct dev_context *devc,
1262 size_t group, GByteArray *pod_data)
1263{
1264 size_t size;
1265 GByteArray *store;
1266 uint8_t *logic_data;
1267 size_t idx, logic_step;
1268
1269 /*
1270 * Upon first invocation, allocate the array which can hold the
1271 * combined logic data for all channels. Assume that each channel
1272 * will yield an identical number of samples per receive call.
1273 *
1274 * As a poor man's safety measure: (Silently) skip processing
1275 * for unexpected sample counts, and ignore samples for
1276 * unexpected channel groups. Don't bother with complicated
1277 * resize logic, considering that many models only support one
1278 * pod, and the most capable supported models have two pods of
1279 * identical size. We haven't yet seen any "odd" configuration.
1280 */
1281 if (!devc->logic_data) {
1282 size = pod_data->len * devc->pod_count;
1283 store = g_byte_array_sized_new(size);
1284 memset(store->data, 0, size);
1285 store = g_byte_array_set_size(store, size);
1286 devc->logic_data = store;
1287 } else {
1288 store = devc->logic_data;
1289 size = store->len / devc->pod_count;
1290 if (group >= devc->pod_count)
1291 return;
1292 }
1293
1294 /*
1295 * Fold the data of the most recently received channel group into
1296 * the storage, where data resides for all channels combined.
1297 */
1298 logic_data = store->data;
1299 logic_data += group;
1300 logic_step = devc->pod_count;
1301 for (idx = 0; idx < pod_data->len; idx++) {
1302 *logic_data = pod_data->data[idx];
1303 logic_data += logic_step;
1304 }
1305
1306 /* Truncate acquisition if a smaller number of samples has been requested. */
1307 if (devc->samples_limit > 0 && devc->logic_data->len > devc->samples_limit * devc->pod_count)
1308 devc->logic_data->len = devc->samples_limit * devc->pod_count;
1309}
1310
1311/* Submit data for all channels, after the individual groups got collected. */
1312SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi,
1313 struct dev_context *devc)
1314{
1315 struct sr_datafeed_packet packet;
1316 struct sr_datafeed_logic logic;
1317
1318 if (!devc->logic_data)
1319 return;
1320
1321 logic.data = devc->logic_data->data;
1322 logic.length = devc->logic_data->len;
1323 logic.unitsize = devc->pod_count;
1324
1325 packet.type = SR_DF_LOGIC;
1326 packet.payload = &logic;
1327
1328 sr_session_send(sdi, &packet);
1329}
1330
1331/* Undo previous resource allocation. */
1332SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc)
1333{
1334
1335 if (devc->logic_data) {
1336 g_byte_array_free(devc->logic_data, TRUE);
1337 devc->logic_data = NULL;
1338 }
1339 /*
1340 * Keep 'pod_count'! It's required when more frames will be
1341 * received, and does not harm when kept after acquisition.
1342 */
1343}
1344
1345SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
1346{
1347 struct sr_channel *ch;
1348 struct sr_dev_inst *sdi;
1349 struct dev_context *devc;
1350 struct scope_state *state;
1351 struct sr_datafeed_packet packet;
1352 GByteArray *data;
1353 struct sr_datafeed_analog analog;
1354 struct sr_analog_encoding encoding;
1355 struct sr_analog_meaning meaning;
1356 struct sr_analog_spec spec;
1357 struct sr_datafeed_logic logic;
1358 size_t group;
1359
1360 (void)fd;
1361 (void)revents;
1362
1363 data = NULL;
1364
1365 if (!(sdi = cb_data))
1366 return TRUE;
1367
1368 if (!(devc = sdi->priv))
1369 return TRUE;
1370
1371 /* Although this is correct in general, the USBTMC libusb implementation
1372 * currently does not generate an event prior to the first read. Often
1373 * it is ok to start reading just after the 50ms timeout. See bug #785.
1374 if (revents != G_IO_IN)
1375 return TRUE;
1376 */
1377
1378 ch = devc->current_channel->data;
1379 state = devc->model_state;
1380
1381 /*
1382 * Send "frame begin" packet upon reception of data for the
1383 * first enabled channel.
1384 */
1385 if (devc->current_channel == devc->enabled_channels) {
1386 packet.type = SR_DF_FRAME_BEGIN;
1387 sr_session_send(sdi, &packet);
1388 }
1389
1390 /*
1391 * Pass on the received data of the channel(s).
1392 */
1393 switch (ch->type) {
1394 case SR_CHANNEL_ANALOG:
1395 if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
1396 if (data)
1397 g_byte_array_free(data, TRUE);
1398 return TRUE;
1399 }
1400
1401 packet.type = SR_DF_ANALOG;
1402
1403 analog.data = data->data;
1404 analog.num_samples = data->len / sizeof(float);
1405 /* Truncate acquisition if a smaller number of samples has been requested. */
1406 if (devc->samples_limit > 0 && analog.num_samples > devc->samples_limit)
1407 analog.num_samples = devc->samples_limit;
1408 analog.encoding = &encoding;
1409 analog.meaning = &meaning;
1410 analog.spec = &spec;
1411
1412 encoding.unitsize = sizeof(float);
1413 encoding.is_signed = TRUE;
1414 encoding.is_float = TRUE;
1415#ifdef WORDS_BIGENDIAN
1416 encoding.is_bigendian = TRUE;
1417#else
1418 encoding.is_bigendian = FALSE;
1419#endif
1420 /* TODO: Use proper 'digits' value for this device (and its modes). */
1421 encoding.digits = 2;
1422 encoding.is_digits_decimal = FALSE;
1423 encoding.scale.p = 1;
1424 encoding.scale.q = 1;
1425 encoding.offset.p = 0;
1426 encoding.offset.q = 1;
1427 if (state->analog_channels[ch->index].probe_unit == 'V') {
1428 meaning.mq = SR_MQ_VOLTAGE;
1429 meaning.unit = SR_UNIT_VOLT;
1430 } else {
1431 meaning.mq = SR_MQ_CURRENT;
1432 meaning.unit = SR_UNIT_AMPERE;
1433 }
1434 meaning.mqflags = 0;
1435 meaning.channels = g_slist_append(NULL, ch);
1436 /* TODO: Use proper 'digits' value for this device (and its modes). */
1437 spec.spec_digits = 2;
1438 packet.payload = &analog;
1439 sr_session_send(sdi, &packet);
1440 devc->num_samples = data->len / sizeof(float);
1441 g_slist_free(meaning.channels);
1442 g_byte_array_free(data, TRUE);
1443 data = NULL;
1444 break;
1445 case SR_CHANNEL_LOGIC:
1446 if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
1447 if (data)
1448 g_byte_array_free(data, TRUE);
1449 return TRUE;
1450 }
1451
1452 /*
1453 * If only data from the first pod is involved in the
1454 * acquisition, then the raw input bytes can get passed
1455 * forward for performance reasons. When the second pod
1456 * is involved (either alone, or in combination with the
1457 * first pod), then the received bytes need to be put
1458 * into memory in such a layout that all channel groups
1459 * get combined, and a unitsize larger than a single byte
1460 * applies. The "queue" logic transparently copes with
1461 * any such configuration. This works around the lack
1462 * of support for "meaning" to logic data, which is used
1463 * above for analog data.
1464 */
1465 if (devc->pod_count == 1) {
1466 packet.type = SR_DF_LOGIC;
1467 logic.data = data->data;
1468 logic.length = data->len;
1469 /* Truncate acquisition if a smaller number of samples has been requested. */
1470 if (devc->samples_limit > 0 && logic.length > devc->samples_limit)
1471 logic.length = devc->samples_limit;
1472 logic.unitsize = 1;
1473 packet.payload = &logic;
1474 sr_session_send(sdi, &packet);
1475 } else {
1476 group = ch->index / 8;
1477 hmo_queue_logic_data(devc, group, data);
1478 }
1479
1480 devc->num_samples = data->len / devc->pod_count;
1481 g_byte_array_free(data, TRUE);
1482 data = NULL;
1483 break;
1484 default:
1485 sr_err("Invalid channel type.");
1486 break;
1487 }
1488
1489 /*
1490 * Advance to the next enabled channel. When data for all enabled
1491 * channels was received, then flush potentially queued logic data,
1492 * and send the "frame end" packet.
1493 */
1494 if (devc->current_channel->next) {
1495 devc->current_channel = devc->current_channel->next;
1496 hmo_request_data(sdi);
1497 return TRUE;
1498 }
1499 hmo_send_logic_packet(sdi, devc);
1500
1501 /*
1502 * Release the logic data storage after each frame. This copes
1503 * with sample counts that differ in length per frame. -- Is
1504 * this a real constraint when acquiring multiple frames with
1505 * identical device settings?
1506 */
1507 hmo_cleanup_logic_data(devc);
1508
1509 packet.type = SR_DF_FRAME_END;
1510 sr_session_send(sdi, &packet);
1511
1512 /*
1513 * End of frame was reached. Stop acquisition after the specified
1514 * number of frames or after the specified number of samples, or
1515 * continue reception by starting over at the first enabled channel.
1516 */
1517 if (++devc->num_frames >= devc->frame_limit || devc->num_samples >= devc->samples_limit) {
1518 sr_dev_acquisition_stop(sdi);
1519 hmo_cleanup_logic_data(devc);
1520 } else {
1521 devc->current_channel = devc->enabled_channels;
1522 hmo_request_data(sdi);
1523 }
1524
1525 return TRUE;
1526}
Hardware access and backend lib