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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_GET | 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 *coupling_options_rth100x[] = {
165 "ACL", // AC with 1 MOhm termination
166 "DCL", // DC with 1 MOhm termination
167};
168
169static const char *scope_trigger_slopes[] = {
170 "POS",
171 "NEG",
172 "EITH",
173};
174
175/* Predefined logic thresholds. */
176static const char *logic_threshold[] = {
177 "TTL",
178 "ECL",
179 "CMOS",
180 "USER1",
181 "USER2", // overwritten by logic_threshold_custom, use USER1 for permanent setting
182};
183
184static const char *logic_threshold_rtb200x_rtm300x[] = {
185 "TTL",
186 "ECL",
187 "CMOS",
188 "MAN", // overwritten by logic_threshold_custom
189};
190
191/* This might need updates whenever logic_threshold* above change. */
192#define MAX_NUM_LOGIC_THRESHOLD_ENTRIES ARRAY_SIZE(logic_threshold)
193
194/* RTC1002, HMO Compact2 and HMO1002/HMO1202 */
195static const char *an2_dig8_trigger_sources[] = {
196 "CH1", "CH2",
197 "LINE", "EXT", "PATT", "BUS1", "BUS2",
198 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
199};
200
201/* HMO3xx2 */
202static const char *an2_dig16_trigger_sources[] = {
203 "CH1", "CH2",
204 "LINE", "EXT", "PATT", "BUS1", "BUS2",
205 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
206 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
207};
208
209/* RTB2002 and RTM3002 */
210static const char *an2_dig16_sbus_trigger_sources[] = {
211 "CH1", "CH2",
212 "LINE", "EXT", "PATT", "SBUS1", "SBUS2",
213 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
214 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
215};
216
217/* RTH1002 */
218static const char *an2_dig8_isol_trigger_sources[] = {
219 "CH1", "CH2",
220 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
221};
222
223/* RTH1004 */
224static const char *an4_dig8_isol_trigger_sources[] = {
225 "CH1", "CH2", "CH3", "CH4",
226 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
227};
228
229/* HMO Compact4 */
230static const char *an4_dig8_trigger_sources[] = {
231 "CH1", "CH2", "CH3", "CH4",
232 "LINE", "EXT", "PATT", "BUS1", "BUS2",
233 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
234};
235
236/* HMO3xx4 and HMO2524 */
237static const char *an4_dig16_trigger_sources[] = {
238 "CH1", "CH2", "CH3", "CH4",
239 "LINE", "EXT", "PATT", "BUS1", "BUS2",
240 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
241 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
242};
243
244/* RTB2004, RTM3004 and RTA4004 */
245static const char *an4_dig16_sbus_trigger_sources[] = {
246 "CH1", "CH2", "CH3", "CH4",
247 "LINE", "EXT", "PATT", "SBUS1", "SBUS2",
248 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
249 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
250};
251
252static const uint64_t timebases[][2] = {
253 /* nanoseconds */
254 { 1, 1000000000 },
255 { 2, 1000000000 },
256 { 5, 1000000000 },
257 { 10, 1000000000 },
258 { 20, 1000000000 },
259 { 50, 1000000000 },
260 { 100, 1000000000 },
261 { 200, 1000000000 },
262 { 500, 1000000000 },
263 /* microseconds */
264 { 1, 1000000 },
265 { 2, 1000000 },
266 { 5, 1000000 },
267 { 10, 1000000 },
268 { 20, 1000000 },
269 { 50, 1000000 },
270 { 100, 1000000 },
271 { 200, 1000000 },
272 { 500, 1000000 },
273 /* milliseconds */
274 { 1, 1000 },
275 { 2, 1000 },
276 { 5, 1000 },
277 { 10, 1000 },
278 { 20, 1000 },
279 { 50, 1000 },
280 { 100, 1000 },
281 { 200, 1000 },
282 { 500, 1000 },
283 /* seconds */
284 { 1, 1 },
285 { 2, 1 },
286 { 5, 1 },
287 { 10, 1 },
288 { 20, 1 },
289 { 50, 1 },
290};
291
292/* HMO Compact series (HMO722/724/1022/1024/1522/1524/2022/2024) do
293 * not support 1 ns timebase setting.
294 */
295static const uint64_t timebases_hmo_compact[][2] = {
296 /* nanoseconds */
297 { 2, 1000000000 },
298 { 5, 1000000000 },
299 { 10, 1000000000 },
300 { 20, 1000000000 },
301 { 50, 1000000000 },
302 { 100, 1000000000 },
303 { 200, 1000000000 },
304 { 500, 1000000000 },
305 /* microseconds */
306 { 1, 1000000 },
307 { 2, 1000000 },
308 { 5, 1000000 },
309 { 10, 1000000 },
310 { 20, 1000000 },
311 { 50, 1000000 },
312 { 100, 1000000 },
313 { 200, 1000000 },
314 { 500, 1000000 },
315 /* milliseconds */
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 /* seconds */
326 { 1, 1 },
327 { 2, 1 },
328 { 5, 1 },
329 { 10, 1 },
330 { 20, 1 },
331 { 50, 1 },
332};
333
334static const uint64_t vdivs[][2] = {
335 /* millivolts */
336 { 1, 1000 },
337 { 2, 1000 },
338 { 5, 1000 },
339 { 10, 1000 },
340 { 20, 1000 },
341 { 50, 1000 },
342 { 100, 1000 },
343 { 200, 1000 },
344 { 500, 1000 },
345 /* volts */
346 { 1, 1 },
347 { 2, 1 },
348 { 5, 1 },
349 { 10, 1 },
350 { 20, 1 },
351 { 50, 1 },
352};
353/*
354 * It feels a little hacky to use a single table yet use different item
355 * count values here. But it simplifies maintenance, reduces redundancy
356 * by avoiding several vdivs[] table versions of mostly identical content,
357 * still references which declare models' capabilities remain readable.
358 */
359#define VDIVS_COUNT_UPTO_10V (ARRAY_SIZE(vdivs) - 2)
360#define VDIVS_COUNT_UPTO_50V (ARRAY_SIZE(vdivs))
361
362static const char *scope_analog_channel_names[] = {
363 "CH1", "CH2", "CH3", "CH4",
364};
365
366static const char *scope_digital_channel_names[] = {
367 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
368 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
369};
370
371static struct scope_config scope_models[] = {
372 {
373 /* HMO Compact2: HMO722/1022/1522/2022 support only 8 digital channels. */
374 .name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
375 .analog_channels = 2,
376 .digital_channels = 8,
377
378 .analog_names = &scope_analog_channel_names,
379 .digital_names = &scope_digital_channel_names,
380
381 .devopts = &devopts,
382 .num_devopts = ARRAY_SIZE(devopts),
383
384 .devopts_cg_analog = &devopts_cg_analog,
385 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
386
387 .devopts_cg_digital = &devopts_cg_digital,
388 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
389
390 .coupling_options = &coupling_options,
391 .num_coupling_options = ARRAY_SIZE(coupling_options),
392
393 .logic_threshold = &logic_threshold,
394 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
395 .logic_threshold_for_pod = TRUE,
396
397 .trigger_sources = &an2_dig8_trigger_sources,
398 .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
399
400 .trigger_slopes = &scope_trigger_slopes,
401 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
402
403 .timebases = &timebases_hmo_compact,
404 .num_timebases = ARRAY_SIZE(timebases_hmo_compact),
405
406 .vdivs = &vdivs,
407 .num_vdivs = VDIVS_COUNT_UPTO_10V,
408
409 .num_ydivs = 8,
410
411 .scpi_dialect = &hameg_scpi_dialect,
412 },
413 {
414 /* RTC1002 and HMO1002/HMO1202 support only 8 digital channels. */
415 .name = {"RTC1002", "HMO1002", "HMO1202", NULL},
416 .analog_channels = 2,
417 .digital_channels = 8,
418
419 .analog_names = &scope_analog_channel_names,
420 .digital_names = &scope_digital_channel_names,
421
422 .devopts = &devopts,
423 .num_devopts = ARRAY_SIZE(devopts),
424
425 .devopts_cg_analog = &devopts_cg_analog,
426 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
427
428 .devopts_cg_digital = &devopts_cg_digital,
429 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
430
431 .coupling_options = &coupling_options,
432 .num_coupling_options = ARRAY_SIZE(coupling_options),
433
434 .logic_threshold = &logic_threshold,
435 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
436 .logic_threshold_for_pod = TRUE,
437
438 .trigger_sources = &an2_dig8_trigger_sources,
439 .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
440
441 .trigger_slopes = &scope_trigger_slopes,
442 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
443
444 .timebases = &timebases,
445 .num_timebases = ARRAY_SIZE(timebases),
446
447 .vdivs = &vdivs,
448 .num_vdivs = VDIVS_COUNT_UPTO_10V,
449
450 .num_ydivs = 8,
451
452 .scpi_dialect = &hameg_scpi_dialect,
453 },
454 {
455 /* HMO3032/3042/3052/3522 support 16 digital channels. */
456 .name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL},
457 .analog_channels = 2,
458 .digital_channels = 16,
459
460 .analog_names = &scope_analog_channel_names,
461 .digital_names = &scope_digital_channel_names,
462
463 .devopts = &devopts,
464 .num_devopts = ARRAY_SIZE(devopts),
465
466 .devopts_cg_analog = &devopts_cg_analog,
467 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
468
469 .devopts_cg_digital = &devopts_cg_digital,
470 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
471
472 .coupling_options = &coupling_options,
473 .num_coupling_options = ARRAY_SIZE(coupling_options),
474
475 .logic_threshold = &logic_threshold,
476 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
477 .logic_threshold_for_pod = TRUE,
478
479 .trigger_sources = &an2_dig16_trigger_sources,
480 .num_trigger_sources = ARRAY_SIZE(an2_dig16_trigger_sources),
481
482 .trigger_slopes = &scope_trigger_slopes,
483 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
484
485 .timebases = &timebases,
486 .num_timebases = ARRAY_SIZE(timebases),
487
488 .vdivs = &vdivs,
489 .num_vdivs = VDIVS_COUNT_UPTO_10V,
490
491 .num_ydivs = 8,
492
493 .scpi_dialect = &hameg_scpi_dialect,
494 },
495 {
496 /* HMO Compact4: HMO724/1024/1524/2024 support only 8 digital channels. */
497 .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
498 .analog_channels = 4,
499 .digital_channels = 8,
500
501 .analog_names = &scope_analog_channel_names,
502 .digital_names = &scope_digital_channel_names,
503
504 .devopts = &devopts,
505 .num_devopts = ARRAY_SIZE(devopts),
506
507 .devopts_cg_analog = &devopts_cg_analog,
508 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
509
510 .devopts_cg_digital = &devopts_cg_digital,
511 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
512
513 .coupling_options = &coupling_options,
514 .num_coupling_options = ARRAY_SIZE(coupling_options),
515
516 .logic_threshold = &logic_threshold,
517 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
518 .logic_threshold_for_pod = TRUE,
519
520 .trigger_sources = &an4_dig8_trigger_sources,
521 .num_trigger_sources = ARRAY_SIZE(an4_dig8_trigger_sources),
522
523 .trigger_slopes = &scope_trigger_slopes,
524 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
525
526 .timebases = &timebases_hmo_compact,
527 .num_timebases = ARRAY_SIZE(timebases_hmo_compact),
528
529 .vdivs = &vdivs,
530 .num_vdivs = VDIVS_COUNT_UPTO_10V,
531
532 .num_ydivs = 8,
533
534 .scpi_dialect = &hameg_scpi_dialect,
535 },
536 {
537 .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", "HMO3524", NULL},
538 .analog_channels = 4,
539 .digital_channels = 16,
540
541 .analog_names = &scope_analog_channel_names,
542 .digital_names = &scope_digital_channel_names,
543
544 .devopts = &devopts,
545 .num_devopts = ARRAY_SIZE(devopts),
546
547 .devopts_cg_analog = &devopts_cg_analog,
548 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
549
550 .devopts_cg_digital = &devopts_cg_digital,
551 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
552
553 .coupling_options = &coupling_options,
554 .num_coupling_options = ARRAY_SIZE(coupling_options),
555
556 .logic_threshold = &logic_threshold,
557 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
558 .logic_threshold_for_pod = TRUE,
559
560 .trigger_sources = &an4_dig16_trigger_sources,
561 .num_trigger_sources = ARRAY_SIZE(an4_dig16_trigger_sources),
562
563 .trigger_slopes = &scope_trigger_slopes,
564 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
565
566 .timebases = &timebases,
567 .num_timebases = ARRAY_SIZE(timebases),
568
569 .vdivs = &vdivs,
570 .num_vdivs = VDIVS_COUNT_UPTO_10V,
571
572 .num_ydivs = 8,
573
574 .scpi_dialect = &hameg_scpi_dialect,
575 },
576 {
577 .name = {"RTB2002", NULL},
578 .analog_channels = 2,
579 .digital_channels = 16,
580
581 .analog_names = &scope_analog_channel_names,
582 .digital_names = &scope_digital_channel_names,
583
584 .devopts = &devopts,
585 .num_devopts = ARRAY_SIZE(devopts),
586
587 .devopts_cg_analog = &devopts_cg_analog,
588 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
589
590 .devopts_cg_digital = &devopts_cg_digital,
591 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
592
593 .coupling_options = &coupling_options_rtb200x,
594 .num_coupling_options = ARRAY_SIZE(coupling_options_rtb200x),
595
596 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
597 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
598 .logic_threshold_for_pod = FALSE,
599
600 .trigger_sources = &an2_dig16_sbus_trigger_sources,
601 .num_trigger_sources = ARRAY_SIZE(an2_dig16_sbus_trigger_sources),
602
603 .trigger_slopes = &scope_trigger_slopes,
604 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
605
606 .timebases = &timebases,
607 .num_timebases = ARRAY_SIZE(timebases),
608
609 .vdivs = &vdivs,
610 .num_vdivs = VDIVS_COUNT_UPTO_50V,
611
612 .num_ydivs = 8,
613
614 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
615 },
616 {
617 .name = {"RTB2004", NULL},
618 .analog_channels = 4,
619 .digital_channels = 16,
620
621 .analog_names = &scope_analog_channel_names,
622 .digital_names = &scope_digital_channel_names,
623
624 .devopts = &devopts,
625 .num_devopts = ARRAY_SIZE(devopts),
626
627 .devopts_cg_analog = &devopts_cg_analog,
628 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
629
630 .devopts_cg_digital = &devopts_cg_digital,
631 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
632
633 .coupling_options = &coupling_options_rtb200x,
634 .num_coupling_options = ARRAY_SIZE(coupling_options_rtb200x),
635
636 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
637 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
638 .logic_threshold_for_pod = FALSE,
639
640 .trigger_sources = &an4_dig16_sbus_trigger_sources,
641 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
642
643 .trigger_slopes = &scope_trigger_slopes,
644 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
645
646 .timebases = &timebases,
647 .num_timebases = ARRAY_SIZE(timebases),
648
649 .vdivs = &vdivs,
650 .num_vdivs = VDIVS_COUNT_UPTO_50V,
651
652 .num_ydivs = 8,
653
654 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
655 },
656 {
657 .name = {"RTM3002", NULL},
658 .analog_channels = 2,
659 .digital_channels = 16,
660
661 .analog_names = &scope_analog_channel_names,
662 .digital_names = &scope_digital_channel_names,
663
664 .devopts = &devopts,
665 .num_devopts = ARRAY_SIZE(devopts),
666
667 .devopts_cg_analog = &devopts_cg_analog,
668 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
669
670 .devopts_cg_digital = &devopts_cg_digital,
671 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
672
673 .coupling_options = &coupling_options_rtm300x,
674 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
675
676 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
677 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
678 .logic_threshold_for_pod = FALSE,
679
680 .trigger_sources = &an2_dig16_sbus_trigger_sources,
681 .num_trigger_sources = ARRAY_SIZE(an2_dig16_sbus_trigger_sources),
682
683 .trigger_slopes = &scope_trigger_slopes,
684 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
685
686 .timebases = &timebases,
687 .num_timebases = ARRAY_SIZE(timebases),
688
689 .vdivs = &vdivs,
690 .num_vdivs = VDIVS_COUNT_UPTO_10V,
691
692 .num_ydivs = 8,
693
694 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
695 },
696 {
697 .name = {"RTM3004", NULL},
698 .analog_channels = 4,
699 .digital_channels = 16,
700
701 .analog_names = &scope_analog_channel_names,
702 .digital_names = &scope_digital_channel_names,
703
704 .devopts = &devopts,
705 .num_devopts = ARRAY_SIZE(devopts),
706
707 .devopts_cg_analog = &devopts_cg_analog,
708 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
709
710 .devopts_cg_digital = &devopts_cg_digital,
711 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
712
713 .coupling_options = &coupling_options_rtm300x,
714 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
715
716 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
717 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
718 .logic_threshold_for_pod = FALSE,
719
720 .trigger_sources = &an4_dig16_sbus_trigger_sources,
721 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
722
723 .trigger_slopes = &scope_trigger_slopes,
724 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
725
726 .timebases = &timebases,
727 .num_timebases = ARRAY_SIZE(timebases),
728
729 .vdivs = &vdivs,
730 .num_vdivs = VDIVS_COUNT_UPTO_10V,
731
732 .num_ydivs = 8,
733
734 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
735 },
736 {
737 .name = {"RTA4004", NULL},
738 .analog_channels = 4,
739 .digital_channels = 16,
740
741 .analog_names = &scope_analog_channel_names,
742 .digital_names = &scope_digital_channel_names,
743
744 .devopts = &devopts,
745 .num_devopts = ARRAY_SIZE(devopts),
746
747 .devopts_cg_analog = &devopts_cg_analog,
748 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
749
750 .devopts_cg_digital = &devopts_cg_digital,
751 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
752
753 .coupling_options = &coupling_options_rtm300x,
754 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
755
756 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
757 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
758 .logic_threshold_for_pod = FALSE,
759
760 .trigger_sources = &an4_dig16_sbus_trigger_sources,
761 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
762
763 .trigger_slopes = &scope_trigger_slopes,
764 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
765
766 .timebases = &timebases,
767 .num_timebases = ARRAY_SIZE(timebases),
768
769 .vdivs = &vdivs,
770 .num_vdivs = VDIVS_COUNT_UPTO_10V,
771
772 .num_ydivs = 8,
773
774 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
775 },
776 {
777 .name = {"RTH1002", NULL},
778 .analog_channels = 2,
779 .digital_channels = 8,
780
781 .analog_names = &scope_analog_channel_names,
782 .digital_names = &scope_digital_channel_names,
783
784 .devopts = &devopts,
785 .num_devopts = ARRAY_SIZE(devopts),
786
787 .devopts_cg_analog = &devopts_cg_analog,
788 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
789
790 .devopts_cg_digital = &devopts_cg_digital,
791 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
792
793 .coupling_options = &coupling_options_rth100x,
794 .num_coupling_options = ARRAY_SIZE(coupling_options_rth100x),
795
796 .logic_threshold = &logic_threshold,
797 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
798 .logic_threshold_for_pod = TRUE,
799
800 .trigger_sources = &an2_dig8_isol_trigger_sources,
801 .num_trigger_sources = ARRAY_SIZE(an2_dig8_isol_trigger_sources),
802
803 .trigger_slopes = &scope_trigger_slopes,
804 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
805
806 .timebases = &timebases,
807 .num_timebases = ARRAY_SIZE(timebases),
808
809 .vdivs = &vdivs,
810 .num_vdivs = ARRAY_SIZE(vdivs),
811
812 .num_ydivs = 8,
813
814 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
815 },
816 {
817 .name = {"RTH1004", NULL},
818 .analog_channels = 4,
819 .digital_channels = 8,
820
821 .analog_names = &scope_analog_channel_names,
822 .digital_names = &scope_digital_channel_names,
823
824 .devopts = &devopts,
825 .num_devopts = ARRAY_SIZE(devopts),
826
827 .devopts_cg_analog = &devopts_cg_analog,
828 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
829
830 .devopts_cg_digital = &devopts_cg_digital,
831 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
832
833 .coupling_options = &coupling_options_rth100x,
834 .num_coupling_options = ARRAY_SIZE(coupling_options_rth100x),
835
836 .logic_threshold = &logic_threshold,
837 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
838 .logic_threshold_for_pod = TRUE,
839
840 .trigger_sources = &an4_dig8_isol_trigger_sources,
841 .num_trigger_sources = ARRAY_SIZE(an4_dig8_isol_trigger_sources),
842
843 .trigger_slopes = &scope_trigger_slopes,
844 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
845
846 .timebases = &timebases,
847 .num_timebases = ARRAY_SIZE(timebases),
848
849 .vdivs = &vdivs,
850 .num_vdivs = ARRAY_SIZE(vdivs),
851
852 .num_ydivs = 8,
853
854 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
855 },
856};
857
858static void scope_state_dump(const struct scope_config *config,
859 struct scope_state *state)
860{
861 unsigned int i;
862 char *tmp;
863
864 for (i = 0; i < config->analog_channels; i++) {
865 tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0],
866 (*config->vdivs)[state->analog_channels[i].vdiv][1]);
867 sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)",
868 i + 1, state->analog_channels[i].state ? "On" : "Off",
869 (*config->coupling_options)[state->analog_channels[i].coupling],
870 tmp, state->analog_channels[i].vertical_offset);
871 }
872
873 for (i = 0; i < config->digital_channels; i++) {
874 sr_info("State of digital channel %d -> %s", i,
875 state->digital_channels[i] ? "On" : "Off");
876 }
877
878 for (i = 0; i < config->digital_pods; i++) {
879 if (!strncmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold], 4) ||
880 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
881 sr_info("State of digital POD %d -> %s : %E (threshold)", i + 1,
882 state->digital_pods[i].state ? "On" : "Off",
883 state->digital_pods[i].user_threshold);
884 else
885 sr_info("State of digital POD %d -> %s : %s (threshold)", i + 1,
886 state->digital_pods[i].state ? "On" : "Off",
887 (*config->logic_threshold)[state->digital_pods[i].threshold]);
888 }
889
890 tmp = sr_period_string((*config->timebases)[state->timebase][0],
891 (*config->timebases)[state->timebase][1]);
892 sr_info("Current timebase: %s", tmp);
893 g_free(tmp);
894
895 tmp = sr_samplerate_string(state->sample_rate);
896 sr_info("Current samplerate: %s", tmp);
897 g_free(tmp);
898
899 if (!strcmp("PATT", (*config->trigger_sources)[state->trigger_source]))
900 sr_info("Current trigger: %s (pattern), %.2f (offset)",
901 state->trigger_pattern,
902 state->horiz_triggerpos);
903 else // Edge (slope) trigger
904 sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)",
905 (*config->trigger_sources)[state->trigger_source],
906 (*config->trigger_slopes)[state->trigger_slope],
907 state->horiz_triggerpos);
908}
909
910static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi,
911 const char *command, const char *(*array)[], unsigned int n, int *result)
912{
913 char *tmp;
914 int idx;
915
916 if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK)
917 return SR_ERR;
918
919 if ((idx = std_str_idx_s(tmp, *array, n)) < 0) {
920 g_free(tmp);
921 return SR_ERR_ARG;
922 }
923
924 *result = idx;
925
926 g_free(tmp);
927
928 return SR_OK;
929}
930
931/**
932 * This function takes a value of the form "2.000E-03" and returns the index
933 * of an array where a matching pair was found.
934 *
935 * @param value The string to be parsed.
936 * @param array The array of s/f pairs.
937 * @param array_len The number of pairs in the array.
938 * @param result The index at which a matching pair was found.
939 *
940 * @return SR_ERR on any parsing error, SR_OK otherwise.
941 */
942static int array_float_get(gchar *value, const uint64_t array[][2],
943 int array_len, unsigned int *result)
944{
945 struct sr_rational rval;
946 struct sr_rational aval;
947
948 if (sr_parse_rational(value, &rval) != SR_OK)
949 return SR_ERR;
950
951 for (int i = 0; i < array_len; i++) {
952 sr_rational_set(&aval, array[i][0], array[i][1]);
953 if (sr_rational_eq(&rval, &aval)) {
954 *result = i;
955 return SR_OK;
956 }
957 }
958
959 return SR_ERR;
960}
961
962static struct sr_channel *get_channel_by_index_and_type(GSList *channel_lhead,
963 int index, int type)
964{
965 while (channel_lhead) {
966 struct sr_channel *ch = channel_lhead->data;
967 if (ch->index == index && ch->type == type)
968 return ch;
969
970 channel_lhead = channel_lhead->next;
971 }
972
973 return 0;
974}
975
976static int analog_channel_state_get(struct sr_dev_inst *sdi,
977 const struct scope_config *config,
978 struct scope_state *state)
979{
980 unsigned int i, j;
981 char command[MAX_COMMAND_SIZE];
982 char *tmp_str;
983 struct sr_channel *ch;
984 struct sr_scpi_dev_inst *scpi = sdi->conn;
985
986 for (i = 0; i < config->analog_channels; i++) {
987 g_snprintf(command, sizeof(command),
988 (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
989 i + 1);
990
991 if (sr_scpi_get_bool(scpi, command,
992 &state->analog_channels[i].state) != SR_OK)
993 return SR_ERR;
994
995 ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_ANALOG);
996 if (ch)
997 ch->enabled = state->analog_channels[i].state;
998
999 g_snprintf(command, sizeof(command),
1000 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_SCALE],
1001 i + 1);
1002
1003 if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
1004 return SR_ERR;
1005
1006 if (array_float_get(tmp_str, *(config->vdivs), config->num_vdivs, &j) != SR_OK) {
1007 g_free(tmp_str);
1008 sr_err("Could not determine array index for vertical div scale.");
1009 return SR_ERR;
1010 }
1011
1012 g_free(tmp_str);
1013 state->analog_channels[i].vdiv = j;
1014
1015 g_snprintf(command, sizeof(command),
1016 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
1017 i + 1);
1018
1019 if (sr_scpi_get_float(scpi, command,
1020 &state->analog_channels[i].vertical_offset) != SR_OK)
1021 return SR_ERR;
1022
1023 g_snprintf(command, sizeof(command),
1024 (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
1025 i + 1);
1026
1027 if (scope_state_get_array_option(scpi, command, config->coupling_options,
1028 config->num_coupling_options,
1029 &state->analog_channels[i].coupling) != SR_OK)
1030 return SR_ERR;
1031
1032 g_snprintf(command, sizeof(command),
1033 (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT],
1034 i + 1);
1035
1036 if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
1037 return SR_ERR;
1038
1039 if (tmp_str[0] == 'A')
1040 state->analog_channels[i].probe_unit = 'A';
1041 else
1042 state->analog_channels[i].probe_unit = 'V';
1043 g_free(tmp_str);
1044 }
1045
1046 return SR_OK;
1047}
1048
1049static int digital_channel_state_get(struct sr_dev_inst *sdi,
1050 const struct scope_config *config,
1051 struct scope_state *state)
1052{
1053 unsigned int i, idx;
1054 int result = SR_ERR;
1055 char *logic_threshold_short[MAX_NUM_LOGIC_THRESHOLD_ENTRIES];
1056 char command[MAX_COMMAND_SIZE];
1057 struct sr_channel *ch;
1058 struct sr_scpi_dev_inst *scpi = sdi->conn;
1059
1060 for (i = 0; i < config->digital_channels; i++) {
1061 g_snprintf(command, sizeof(command),
1062 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE],
1063 i);
1064
1065 if (sr_scpi_get_bool(scpi, command,
1066 &state->digital_channels[i]) != SR_OK)
1067 return SR_ERR;
1068
1069 ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_LOGIC);
1070 if (ch)
1071 ch->enabled = state->digital_channels[i];
1072 }
1073
1074 /* According to the SCPI standard, on models that support multiple
1075 * user-defined logic threshold settings the response to the command
1076 * SCPI_CMD_GET_DIG_POD_THRESHOLD might return "USER" instead of
1077 * "USER1".
1078 *
1079 * This makes more difficult to validate the response when the logic
1080 * threshold is set to "USER1" and therefore we need to prevent device
1081 * opening failures in such configuration case...
1082 */
1083 for (i = 0; i < config->num_logic_threshold; i++) {
1084 logic_threshold_short[i] = g_strdup((*config->logic_threshold)[i]);
1085 if (!strcmp("USER1", (*config->logic_threshold)[i]))
1086 g_strlcpy(logic_threshold_short[i],
1087 (*config->logic_threshold)[i], strlen((*config->logic_threshold)[i]));
1088 }
1089
1090 for (i = 0; i < config->digital_pods; i++) {
1091 g_snprintf(command, sizeof(command),
1092 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE],
1093 i + 1);
1094
1095 if (sr_scpi_get_bool(scpi, command,
1096 &state->digital_pods[i].state) != SR_OK)
1097 goto exit;
1098
1099 /* Check if the threshold command is based on the POD or digital channel index. */
1100 if (config->logic_threshold_for_pod)
1101 idx = i + 1;
1102 else
1103 idx = i * DIGITAL_CHANNELS_PER_POD;
1104
1105 g_snprintf(command, sizeof(command),
1106 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD],
1107 idx);
1108
1109 /* Check for both standard and shortened responses. */
1110 if (scope_state_get_array_option(scpi, command, config->logic_threshold,
1111 config->num_logic_threshold,
1112 &state->digital_pods[i].threshold) != SR_OK)
1113 if (scope_state_get_array_option(scpi, command, (const char * (*)[]) &logic_threshold_short,
1114 config->num_logic_threshold,
1115 &state->digital_pods[i].threshold) != SR_OK)
1116 goto exit;
1117
1118 /* If used-defined or custom threshold is active, get the level. */
1119 if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1120 g_snprintf(command, sizeof(command),
1121 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1122 idx, 1); /* USER1 logic threshold setting. */
1123 else if (!strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1124 g_snprintf(command, sizeof(command),
1125 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1126 idx, 2); /* USER2 for custom logic_threshold setting. */
1127 else if (!strcmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1128 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1129 g_snprintf(command, sizeof(command),
1130 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1131 idx); /* USER or MAN for custom logic_threshold setting. */
1132 if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1133 !strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1134 !strcmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1135 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1136 if (sr_scpi_get_float(scpi, command,
1137 &state->digital_pods[i].user_threshold) != SR_OK)
1138 goto exit;
1139 }
1140
1141 result = SR_OK;
1142
1143exit:
1144 for (i = 0; i < config->num_logic_threshold; i++)
1145 g_free(logic_threshold_short[i]);
1146
1147 return result;
1148}
1149
1150SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi)
1151{
1152 struct dev_context *devc;
1153 struct scope_state *state;
1154 const struct scope_config *config;
1155 float tmp_float;
1156
1157 devc = sdi->priv;
1158 config = devc->model_config;
1159 state = devc->model_state;
1160
1161 if (sr_scpi_get_float(sdi->conn,
1162 (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE],
1163 &tmp_float) != SR_OK)
1164 return SR_ERR;
1165
1166 state->sample_rate = tmp_float;
1167
1168 return SR_OK;
1169}
1170
1171SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi)
1172{
1173 struct dev_context *devc;
1174 struct scope_state *state;
1175 const struct scope_config *config;
1176 float tmp_float;
1177 unsigned int i;
1178 char *tmp_str;
1179
1180 devc = sdi->priv;
1181 config = devc->model_config;
1182 state = devc->model_state;
1183
1184 sr_info("Fetching scope state");
1185
1186 if (analog_channel_state_get(sdi, config, state) != SR_OK)
1187 return SR_ERR;
1188
1189 if (digital_channel_state_get(sdi, config, state) != SR_OK)
1190 return SR_ERR;
1191
1192 if (sr_scpi_get_string(sdi->conn,
1193 (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
1194 &tmp_str) != SR_OK)
1195 return SR_ERR;
1196
1197 if (array_float_get(tmp_str, ARRAY_AND_SIZE(timebases), &i) != SR_OK) {
1198 g_free(tmp_str);
1199 sr_err("Could not determine array index for time base.");
1200 return SR_ERR;
1201 }
1202 g_free(tmp_str);
1203
1204 state->timebase = i;
1205
1206 /* Determine the number of horizontal (x) divisions. */
1207 if (sr_scpi_get_int(sdi->conn,
1208 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZONTAL_DIV],
1209 (int *)&config->num_xdivs) != SR_OK)
1210 return SR_ERR;
1211
1212 if (sr_scpi_get_float(sdi->conn,
1213 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
1214 &tmp_float) != SR_OK)
1215 return SR_ERR;
1216 state->horiz_triggerpos = tmp_float /
1217 (((double) (*config->timebases)[state->timebase][0] /
1218 (*config->timebases)[state->timebase][1]) * config->num_xdivs);
1219 state->horiz_triggerpos -= 0.5;
1220 state->horiz_triggerpos *= -1;
1221
1222 if (scope_state_get_array_option(sdi->conn,
1223 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE],
1224 config->trigger_sources, config->num_trigger_sources,
1225 &state->trigger_source) != SR_OK)
1226 return SR_ERR;
1227
1228 if (scope_state_get_array_option(sdi->conn,
1229 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE],
1230 config->trigger_slopes, config->num_trigger_slopes,
1231 &state->trigger_slope) != SR_OK)
1232 return SR_ERR;
1233
1234 if (sr_scpi_get_string(sdi->conn,
1235 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_PATTERN],
1236 &tmp_str) != SR_OK)
1237 return SR_ERR;
1238 strncpy(state->trigger_pattern,
1239 sr_scpi_unquote_string(tmp_str),
1240 MAX_ANALOG_CHANNEL_COUNT + MAX_DIGITAL_CHANNEL_COUNT);
1241 g_free(tmp_str);
1242
1243 if (sr_scpi_get_string(sdi->conn,
1244 (*config->scpi_dialect)[SCPI_CMD_GET_HIGH_RESOLUTION],
1245 &tmp_str) != SR_OK)
1246 return SR_ERR;
1247 if (!strcmp("OFF", tmp_str))
1248 state->high_resolution = FALSE;
1249 else
1250 state->high_resolution = TRUE;
1251 g_free(tmp_str);
1252
1253 if (sr_scpi_get_string(sdi->conn,
1254 (*config->scpi_dialect)[SCPI_CMD_GET_PEAK_DETECTION],
1255 &tmp_str) != SR_OK)
1256 return SR_ERR;
1257 if (!strcmp("OFF", tmp_str))
1258 state->peak_detection = FALSE;
1259 else
1260 state->peak_detection = TRUE;
1261 g_free(tmp_str);
1262
1263 if (hmo_update_sample_rate(sdi) != SR_OK)
1264 return SR_ERR;
1265
1266 sr_info("Fetching finished.");
1267
1268 scope_state_dump(config, state);
1269
1270 return SR_OK;
1271}
1272
1273static struct scope_state *scope_state_new(const struct scope_config *config)
1274{
1275 struct scope_state *state;
1276
1277 state = g_malloc0(sizeof(struct scope_state));
1278 state->analog_channels = g_malloc0_n(config->analog_channels,
1279 sizeof(struct analog_channel_state));
1280 state->digital_channels = g_malloc0_n(
1281 config->digital_channels, sizeof(gboolean));
1282 state->digital_pods = g_malloc0_n(config->digital_pods,
1283 sizeof(struct digital_pod_state));
1284
1285 return state;
1286}
1287
1288SR_PRIV void hmo_scope_state_free(struct scope_state *state)
1289{
1290 g_free(state->analog_channels);
1291 g_free(state->digital_channels);
1292 g_free(state->digital_pods);
1293 g_free(state);
1294}
1295
1296SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
1297{
1298 int model_index;
1299 unsigned int i, j, group;
1300 struct sr_channel *ch;
1301 struct dev_context *devc;
1302 const char *cg_name;
1303 int ret;
1304
1305 devc = sdi->priv;
1306 model_index = -1;
1307
1308 /* Find the exact model. */
1309 for (i = 0; i < ARRAY_SIZE(scope_models); i++) {
1310 for (j = 0; scope_models[i].name[j]; j++) {
1311 if (!strcmp(sdi->model, scope_models[i].name[j])) {
1312 model_index = i;
1313 break;
1314 }
1315 }
1316 if (model_index != -1)
1317 break;
1318 }
1319
1320 if (model_index == -1) {
1321 sr_dbg("Unsupported device.");
1322 return SR_ERR_NA;
1323 }
1324
1325 /* Configure the number of PODs given the number of digital channels. */
1326 scope_models[model_index].digital_pods = scope_models[model_index].digital_channels / DIGITAL_CHANNELS_PER_POD;
1327
1328 devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) *
1329 scope_models[model_index].analog_channels);
1330 devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) *
1331 scope_models[model_index].digital_pods);
1332 if (!devc->analog_groups || !devc->digital_groups) {
1333 g_free(devc->analog_groups);
1334 g_free(devc->digital_groups);
1335 return SR_ERR_MALLOC;
1336 }
1337
1338 /* Add analog channels. */
1339 for (i = 0; i < scope_models[model_index].analog_channels; i++) {
1340 ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE,
1341 (*scope_models[model_index].analog_names)[i]);
1342
1343 cg_name = (*scope_models[model_index].analog_names)[i];
1344 devc->analog_groups[i] = sr_channel_group_new(sdi, cg_name, NULL);
1345 devc->analog_groups[i]->channels = g_slist_append(NULL, ch);
1346 }
1347
1348 /* Add digital channel groups. */
1349 ret = SR_OK;
1350 for (i = 0; i < scope_models[model_index].digital_pods; i++) {
1351 devc->digital_groups[i] = sr_channel_group_new(sdi, NULL, NULL);
1352 if (!devc->digital_groups[i]) {
1353 ret = SR_ERR_MALLOC;
1354 break;
1355 }
1356 devc->digital_groups[i]->name = g_strdup_printf("POD%d", i + 1);
1357 }
1358 if (ret != SR_OK)
1359 return ret;
1360
1361 /* Add digital channels. */
1362 for (i = 0; i < scope_models[model_index].digital_channels; i++) {
1363 ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
1364 (*scope_models[model_index].digital_names)[i]);
1365
1366 group = i / DIGITAL_CHANNELS_PER_POD;
1367 devc->digital_groups[group]->channels = g_slist_append(
1368 devc->digital_groups[group]->channels, ch);
1369 }
1370
1371 devc->model_config = &scope_models[model_index];
1372 devc->samples_limit = 0;
1373 devc->frame_limit = 0;
1374
1375 if (!(devc->model_state = scope_state_new(devc->model_config)))
1376 return SR_ERR_MALLOC;
1377
1378 return SR_OK;
1379}
1380
1381/* Queue data of one channel group, for later submission. */
1382SR_PRIV void hmo_queue_logic_data(struct dev_context *devc,
1383 size_t group, GByteArray *pod_data)
1384{
1385 size_t size;
1386 GByteArray *store;
1387 uint8_t *logic_data;
1388 size_t idx, logic_step;
1389
1390 /*
1391 * Upon first invocation, allocate the array which can hold the
1392 * combined logic data for all channels. Assume that each channel
1393 * will yield an identical number of samples per receive call.
1394 *
1395 * As a poor man's safety measure: (Silently) skip processing
1396 * for unexpected sample counts, and ignore samples for
1397 * unexpected channel groups. Don't bother with complicated
1398 * resize logic, considering that many models only support one
1399 * pod, and the most capable supported models have two pods of
1400 * identical size. We haven't yet seen any "odd" configuration.
1401 */
1402 if (!devc->logic_data) {
1403 size = pod_data->len * devc->pod_count;
1404 store = g_byte_array_sized_new(size);
1405 memset(store->data, 0, size);
1406 store = g_byte_array_set_size(store, size);
1407 devc->logic_data = store;
1408 } else {
1409 store = devc->logic_data;
1410 size = store->len / devc->pod_count;
1411 if (group >= devc->pod_count)
1412 return;
1413 }
1414
1415 /*
1416 * Fold the data of the most recently received channel group into
1417 * the storage, where data resides for all channels combined.
1418 */
1419 logic_data = store->data;
1420 logic_data += group;
1421 logic_step = devc->pod_count;
1422 for (idx = 0; idx < pod_data->len; idx++) {
1423 *logic_data = pod_data->data[idx];
1424 logic_data += logic_step;
1425 }
1426
1427 /* Truncate acquisition if a smaller number of samples has been requested. */
1428 if (devc->samples_limit > 0 && devc->logic_data->len > devc->samples_limit * devc->pod_count)
1429 devc->logic_data->len = devc->samples_limit * devc->pod_count;
1430}
1431
1432/* Submit data for all channels, after the individual groups got collected. */
1433SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi,
1434 struct dev_context *devc)
1435{
1436 struct sr_datafeed_packet packet;
1437 struct sr_datafeed_logic logic;
1438
1439 if (!devc->logic_data)
1440 return;
1441
1442 logic.data = devc->logic_data->data;
1443 logic.length = devc->logic_data->len;
1444 logic.unitsize = devc->pod_count;
1445
1446 packet.type = SR_DF_LOGIC;
1447 packet.payload = &logic;
1448
1449 sr_session_send(sdi, &packet);
1450}
1451
1452/* Undo previous resource allocation. */
1453SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc)
1454{
1455
1456 if (devc->logic_data) {
1457 g_byte_array_free(devc->logic_data, TRUE);
1458 devc->logic_data = NULL;
1459 }
1460 /*
1461 * Keep 'pod_count'! It's required when more frames will be
1462 * received, and does not harm when kept after acquisition.
1463 */
1464}
1465
1466SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
1467{
1468 struct sr_channel *ch;
1469 struct sr_dev_inst *sdi;
1470 struct dev_context *devc;
1471 struct scope_state *state;
1472 struct sr_datafeed_packet packet;
1473 GByteArray *data;
1474 struct sr_datafeed_analog analog;
1475 struct sr_analog_encoding encoding;
1476 struct sr_analog_meaning meaning;
1477 struct sr_analog_spec spec;
1478 struct sr_datafeed_logic logic;
1479 size_t group;
1480
1481 (void)fd;
1482 (void)revents;
1483
1484 if (!(sdi = cb_data))
1485 return TRUE;
1486
1487 if (!(devc = sdi->priv))
1488 return TRUE;
1489
1490 /* Although this is correct in general, the USBTMC libusb implementation
1491 * currently does not generate an event prior to the first read. Often
1492 * it is ok to start reading just after the 50ms timeout. See bug #785.
1493 if (revents != G_IO_IN)
1494 return TRUE;
1495 */
1496
1497 ch = devc->current_channel->data;
1498 state = devc->model_state;
1499
1500 /*
1501 * Send "frame begin" packet upon reception of data for the
1502 * first enabled channel.
1503 */
1504 if (devc->current_channel == devc->enabled_channels)
1505 std_session_send_df_frame_begin(sdi);
1506
1507 /*
1508 * Pass on the received data of the channel(s).
1509 */
1510 switch (ch->type) {
1511 case SR_CHANNEL_ANALOG:
1512 data = NULL;
1513 if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
1514 if (data)
1515 g_byte_array_free(data, TRUE);
1516 return TRUE;
1517 }
1518
1519 packet.type = SR_DF_ANALOG;
1520
1521 analog.data = data->data;
1522 analog.num_samples = data->len / sizeof(float);
1523 /* Truncate acquisition if a smaller number of samples has been requested. */
1524 if (devc->samples_limit > 0 && analog.num_samples > devc->samples_limit)
1525 analog.num_samples = devc->samples_limit;
1526 /* TODO: Use proper 'digits' value for this device (and its modes). */
1527 sr_analog_init(&analog, &encoding, &meaning, &spec, 2);
1528 encoding.is_signed = TRUE;
1529 if (state->analog_channels[ch->index].probe_unit == 'V') {
1530 meaning.mq = SR_MQ_VOLTAGE;
1531 meaning.unit = SR_UNIT_VOLT;
1532 } else {
1533 meaning.mq = SR_MQ_CURRENT;
1534 meaning.unit = SR_UNIT_AMPERE;
1535 }
1536 meaning.channels = g_slist_append(NULL, ch);
1537 packet.payload = &analog;
1538 sr_session_send(sdi, &packet);
1539 devc->num_samples = data->len / sizeof(float);
1540 g_slist_free(meaning.channels);
1541 g_byte_array_free(data, TRUE);
1542 data = NULL;
1543 break;
1544 case SR_CHANNEL_LOGIC:
1545 data = NULL;
1546 if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
1547 if (data)
1548 g_byte_array_free(data, TRUE);
1549 return TRUE;
1550 }
1551
1552 /*
1553 * If only data from the first pod is involved in the
1554 * acquisition, then the raw input bytes can get passed
1555 * forward for performance reasons. When the second pod
1556 * is involved (either alone, or in combination with the
1557 * first pod), then the received bytes need to be put
1558 * into memory in such a layout that all channel groups
1559 * get combined, and a unitsize larger than a single byte
1560 * applies. The "queue" logic transparently copes with
1561 * any such configuration. This works around the lack
1562 * of support for "meaning" to logic data, which is used
1563 * above for analog data.
1564 */
1565 if (devc->pod_count == 1) {
1566 packet.type = SR_DF_LOGIC;
1567 logic.data = data->data;
1568 logic.length = data->len;
1569 /* Truncate acquisition if a smaller number of samples has been requested. */
1570 if (devc->samples_limit > 0 && logic.length > devc->samples_limit)
1571 logic.length = devc->samples_limit;
1572 logic.unitsize = 1;
1573 packet.payload = &logic;
1574 sr_session_send(sdi, &packet);
1575 } else {
1576 group = ch->index / DIGITAL_CHANNELS_PER_POD;
1577 hmo_queue_logic_data(devc, group, data);
1578 }
1579
1580 devc->num_samples = data->len / devc->pod_count;
1581 g_byte_array_free(data, TRUE);
1582 data = NULL;
1583 break;
1584 default:
1585 sr_err("Invalid channel type.");
1586 break;
1587 }
1588
1589 /*
1590 * Advance to the next enabled channel. When data for all enabled
1591 * channels was received, then flush potentially queued logic data,
1592 * and send the "frame end" packet.
1593 */
1594 if (devc->current_channel->next) {
1595 devc->current_channel = devc->current_channel->next;
1596 hmo_request_data(sdi);
1597 return TRUE;
1598 }
1599 hmo_send_logic_packet(sdi, devc);
1600
1601 /*
1602 * Release the logic data storage after each frame. This copes
1603 * with sample counts that differ in length per frame. -- Is
1604 * this a real constraint when acquiring multiple frames with
1605 * identical device settings?
1606 */
1607 hmo_cleanup_logic_data(devc);
1608
1609 std_session_send_df_frame_end(sdi);
1610
1611 /*
1612 * End of frame was reached. Stop acquisition after the specified
1613 * number of frames or after the specified number of samples, or
1614 * continue reception by starting over at the first enabled channel.
1615 */
1616 if (++devc->num_frames >= devc->frame_limit || devc->num_samples >= devc->samples_limit) {
1617 sr_dev_acquisition_stop(sdi);
1618 hmo_cleanup_logic_data(devc);
1619 } else {
1620 devc->current_channel = devc->enabled_channels;
1621 hmo_request_data(sdi);
1622 }
1623
1624 return TRUE;
1625}
Hardware access and backend lib