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hameg-hmo: re-add 20V/div and 50V/div vertical scales (RTB2K)
[libsigrok.git] / src / hardware / hameg-hmo / protocol.c
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com>
5 * Copyright (C) 2018 Guido Trentalancia <guido@trentalancia.com>
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21#include <config.h>
22#include <math.h>
23#include <stdlib.h>
24#include "scpi.h"
25#include "protocol.h"
26
27SR_PRIV void hmo_queue_logic_data(struct dev_context *devc,
28 size_t group, GByteArray *pod_data);
29SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi,
30 struct dev_context *devc);
31SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc);
32
33static const char *hameg_scpi_dialect[] = {
34 [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;:POD%d:DATA?",
35 [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?",
36 [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s",
37 [SCPI_CMD_GET_HORIZONTAL_DIV] = ":TIM:DIV?",
38 [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
39 [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
40 [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?",
41 [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \
42 ":FORM REAL,32;:CHAN%d:DATA?",
43 [SCPI_CMD_GET_VERTICAL_SCALE] = ":CHAN%d:SCAL?",
44 [SCPI_CMD_SET_VERTICAL_SCALE] = ":CHAN%d:SCAL %s",
45 [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?",
46 [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d",
47 [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?",
48 [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
49 [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
50 [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s",
51 [SCPI_CMD_GET_TRIGGER_PATTERN] = ":TRIG:A:PATT:SOUR?",
52 [SCPI_CMD_SET_TRIGGER_PATTERN] = ":TRIG:A:TYPE LOGIC;" \
53 ":TRIG:A:PATT:FUNC AND;" \
54 ":TRIG:A:PATT:COND \"TRUE\";" \
55 ":TRIG:A:PATT:MODE OFF;" \
56 ":TRIG:A:PATT:SOUR \"%s\"",
57 [SCPI_CMD_GET_HIGH_RESOLUTION] = ":ACQ:HRES?",
58 [SCPI_CMD_SET_HIGH_RESOLUTION] = ":ACQ:HRES %s",
59 [SCPI_CMD_GET_PEAK_DETECTION] = ":ACQ:PEAK?",
60 [SCPI_CMD_SET_PEAK_DETECTION] = ":ACQ:PEAK %s",
61 [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
62 [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
63 [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?",
64 [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
65 [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s",
66 [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
67 [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
68 [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?",
69 [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":POD%d:THR?",
70 [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":POD%d:THR %s",
71 [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d?",
72 [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d %s",
73};
74
75static const char *rohde_schwarz_log_not_pod_scpi_dialect[] = {
76 [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;:LOG%d:DATA?",
77 [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?",
78 [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s",
79 [SCPI_CMD_GET_HORIZONTAL_DIV] = ":TIM:DIV?",
80 [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
81 [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
82 [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?",
83 [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \
84 ":FORM REAL,32;:CHAN%d:DATA?",
85 [SCPI_CMD_GET_VERTICAL_SCALE] = ":CHAN%d:SCAL?",
86 [SCPI_CMD_SET_VERTICAL_SCALE] = ":CHAN%d:SCAL %s",
87 [SCPI_CMD_GET_DIG_POD_STATE] = ":LOG%d:STAT?",
88 [SCPI_CMD_SET_DIG_POD_STATE] = ":LOG%d:STAT %d",
89 [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?",
90 [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
91 [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
92 [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s",
93 [SCPI_CMD_GET_TRIGGER_PATTERN] = ":TRIG:A:PATT:SOUR?",
94 [SCPI_CMD_SET_TRIGGER_PATTERN] = ":TRIG:A:TYPE LOGIC;" \
95 ":TRIG:A:PATT:FUNC AND;" \
96 ":TRIG:A:PATT:COND \"TRUE\";" \
97 ":TRIG:A:PATT:MODE OFF;" \
98 ":TRIG:A:PATT:SOUR \"%s\"",
99 [SCPI_CMD_GET_HIGH_RESOLUTION] = ":ACQ:HRES?",
100 [SCPI_CMD_SET_HIGH_RESOLUTION] = ":ACQ:HRES %s",
101 [SCPI_CMD_GET_PEAK_DETECTION] = ":ACQ:PEAK?",
102 [SCPI_CMD_SET_PEAK_DETECTION] = ":ACQ:PEAK %s",
103 [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
104 [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
105 [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?", /* Might not be supported on RTB200x... */
106 [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
107 [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s",
108 [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
109 [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
110 [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?",
111 [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":DIG%d:TECH?",
112 [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":DIG%d:TECH %s",
113 [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":DIG%d:THR?",
114 [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":DIG%d:THR %s",
115};
116
117static const uint32_t devopts[] = {
118 SR_CONF_OSCILLOSCOPE,
119 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
120 SR_CONF_LIMIT_FRAMES | SR_CONF_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 *scope_trigger_slopes[] = {
165 "POS",
166 "NEG",
167 "EITH",
168};
169
170/* Predefined logic thresholds. */
171static const char *logic_threshold[] = {
172 "TTL",
173 "ECL",
174 "CMOS",
175 "USER1",
176 "USER2", // overwritten by logic_threshold_custom, use USER1 for permanent setting
177};
178
179static const char *logic_threshold_rtb200x_rtm300x[] = {
180 "TTL",
181 "ECL",
182 "CMOS",
183 "MAN", // overwritten by logic_threshold_custom
184};
185
186/* This might need updates whenever logic_threshold* above change. */
187#define MAX_NUM_LOGIC_THRESHOLD_ENTRIES ARRAY_SIZE(logic_threshold)
188
189/* RTC1002, HMO Compact2 and HMO1002/HMO1202 */
190static const char *an2_dig8_trigger_sources[] = {
191 "CH1", "CH2",
192 "LINE", "EXT", "PATT", "BUS1", "BUS2",
193 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
194};
195
196/* HMO3xx2 */
197static const char *an2_dig16_trigger_sources[] = {
198 "CH1", "CH2",
199 "LINE", "EXT", "PATT", "BUS1", "BUS2",
200 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
201 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
202};
203
204/* RTB2002 and RTM3002 */
205static const char *an2_dig16_sbus_trigger_sources[] = {
206 "CH1", "CH2",
207 "LINE", "EXT", "PATT", "SBUS1", "SBUS2",
208 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
209 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
210};
211
212/* HMO Compact4 */
213static const char *an4_dig8_trigger_sources[] = {
214 "CH1", "CH2", "CH3", "CH4",
215 "LINE", "EXT", "PATT", "BUS1", "BUS2",
216 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
217};
218
219/* HMO3xx4 and HMO2524 */
220static const char *an4_dig16_trigger_sources[] = {
221 "CH1", "CH2", "CH3", "CH4",
222 "LINE", "EXT", "PATT", "BUS1", "BUS2",
223 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
224 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
225};
226
227/* RTB2004, RTM3004 and RTA4004 */
228static const char *an4_dig16_sbus_trigger_sources[] = {
229 "CH1", "CH2", "CH3", "CH4",
230 "LINE", "EXT", "PATT", "SBUS1", "SBUS2",
231 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
232 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
233};
234
235static const uint64_t timebases[][2] = {
236 /* nanoseconds */
237 { 1, 1000000000 },
238 { 2, 1000000000 },
239 { 5, 1000000000 },
240 { 10, 1000000000 },
241 { 20, 1000000000 },
242 { 50, 1000000000 },
243 { 100, 1000000000 },
244 { 200, 1000000000 },
245 { 500, 1000000000 },
246 /* microseconds */
247 { 1, 1000000 },
248 { 2, 1000000 },
249 { 5, 1000000 },
250 { 10, 1000000 },
251 { 20, 1000000 },
252 { 50, 1000000 },
253 { 100, 1000000 },
254 { 200, 1000000 },
255 { 500, 1000000 },
256 /* milliseconds */
257 { 1, 1000 },
258 { 2, 1000 },
259 { 5, 1000 },
260 { 10, 1000 },
261 { 20, 1000 },
262 { 50, 1000 },
263 { 100, 1000 },
264 { 200, 1000 },
265 { 500, 1000 },
266 /* seconds */
267 { 1, 1 },
268 { 2, 1 },
269 { 5, 1 },
270 { 10, 1 },
271 { 20, 1 },
272 { 50, 1 },
273};
274
275/* HMO Compact series (HMO722/724/1022/1024/1522/1524/2022/2024) do
276 * not support 1 ns timebase setting.
277 */
278static const uint64_t timebases_hmo_compact[][2] = {
279 /* nanoseconds */
280 { 2, 1000000000 },
281 { 5, 1000000000 },
282 { 10, 1000000000 },
283 { 20, 1000000000 },
284 { 50, 1000000000 },
285 { 100, 1000000000 },
286 { 200, 1000000000 },
287 { 500, 1000000000 },
288 /* microseconds */
289 { 1, 1000000 },
290 { 2, 1000000 },
291 { 5, 1000000 },
292 { 10, 1000000 },
293 { 20, 1000000 },
294 { 50, 1000000 },
295 { 100, 1000000 },
296 { 200, 1000000 },
297 { 500, 1000000 },
298 /* milliseconds */
299 { 1, 1000 },
300 { 2, 1000 },
301 { 5, 1000 },
302 { 10, 1000 },
303 { 20, 1000 },
304 { 50, 1000 },
305 { 100, 1000 },
306 { 200, 1000 },
307 { 500, 1000 },
308 /* seconds */
309 { 1, 1 },
310 { 2, 1 },
311 { 5, 1 },
312 { 10, 1 },
313 { 20, 1 },
314 { 50, 1 },
315};
316
317static const uint64_t vdivs[][2] = {
318 /* millivolts */
319 { 1, 1000 },
320 { 2, 1000 },
321 { 5, 1000 },
322 { 10, 1000 },
323 { 20, 1000 },
324 { 50, 1000 },
325 { 100, 1000 },
326 { 200, 1000 },
327 { 500, 1000 },
328 /* volts */
329 { 1, 1 },
330 { 2, 1 },
331 { 5, 1 },
332 { 10, 1 },
333 { 20, 1 },
334 { 50, 1 },
335};
336/*
337 * It feels a little hacky to use a single table yet use different item
338 * count values here. But it simplifies maintenance, reduces redundancy
339 * by avoiding several vdivs[] table versions of mostly identical content,
340 * still references which declare models' capabilities remain readable.
341 */
342#define VDIVS_COUNT_UPTO_10V (ARRAY_SIZE(vdivs) - 2)
343#define VDIVS_COUNT_UPTO_50V (ARRAY_SIZE(vdivs))
344
345static const char *scope_analog_channel_names[] = {
346 "CH1", "CH2", "CH3", "CH4",
347};
348
349static const char *scope_digital_channel_names[] = {
350 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
351 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
352};
353
354static struct scope_config scope_models[] = {
355 {
356 /* HMO Compact2: HMO722/1022/1522/2022 support only 8 digital channels. */
357 .name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
358 .analog_channels = 2,
359 .digital_channels = 8,
360
361 .analog_names = &scope_analog_channel_names,
362 .digital_names = &scope_digital_channel_names,
363
364 .devopts = &devopts,
365 .num_devopts = ARRAY_SIZE(devopts),
366
367 .devopts_cg_analog = &devopts_cg_analog,
368 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
369
370 .devopts_cg_digital = &devopts_cg_digital,
371 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
372
373 .coupling_options = &coupling_options,
374 .num_coupling_options = ARRAY_SIZE(coupling_options),
375
376 .logic_threshold = &logic_threshold,
377 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
378 .logic_threshold_for_pod = TRUE,
379
380 .trigger_sources = &an2_dig8_trigger_sources,
381 .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
382
383 .trigger_slopes = &scope_trigger_slopes,
384 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
385
386 .timebases = &timebases_hmo_compact,
387 .num_timebases = ARRAY_SIZE(timebases_hmo_compact),
388
389 .vdivs = &vdivs,
390 .num_vdivs = VDIVS_COUNT_UPTO_10V,
391
392 .num_ydivs = 8,
393
394 .scpi_dialect = &hameg_scpi_dialect,
395 },
396 {
397 /* RTC1002 and HMO1002/HMO1202 support only 8 digital channels. */
398 .name = {"RTC1002", "HMO1002", "HMO1202", NULL},
399 .analog_channels = 2,
400 .digital_channels = 8,
401
402 .analog_names = &scope_analog_channel_names,
403 .digital_names = &scope_digital_channel_names,
404
405 .devopts = &devopts,
406 .num_devopts = ARRAY_SIZE(devopts),
407
408 .devopts_cg_analog = &devopts_cg_analog,
409 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
410
411 .devopts_cg_digital = &devopts_cg_digital,
412 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
413
414 .coupling_options = &coupling_options,
415 .num_coupling_options = ARRAY_SIZE(coupling_options),
416
417 .logic_threshold = &logic_threshold,
418 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
419 .logic_threshold_for_pod = TRUE,
420
421 .trigger_sources = &an2_dig8_trigger_sources,
422 .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
423
424 .trigger_slopes = &scope_trigger_slopes,
425 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
426
427 .timebases = &timebases,
428 .num_timebases = ARRAY_SIZE(timebases),
429
430 .vdivs = &vdivs,
431 .num_vdivs = VDIVS_COUNT_UPTO_10V,
432
433 .num_ydivs = 8,
434
435 .scpi_dialect = &hameg_scpi_dialect,
436 },
437 {
438 /* HMO3032/3042/3052/3522 support 16 digital channels. */
439 .name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL},
440 .analog_channels = 2,
441 .digital_channels = 16,
442
443 .analog_names = &scope_analog_channel_names,
444 .digital_names = &scope_digital_channel_names,
445
446 .devopts = &devopts,
447 .num_devopts = ARRAY_SIZE(devopts),
448
449 .devopts_cg_analog = &devopts_cg_analog,
450 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
451
452 .devopts_cg_digital = &devopts_cg_digital,
453 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
454
455 .coupling_options = &coupling_options,
456 .num_coupling_options = ARRAY_SIZE(coupling_options),
457
458 .logic_threshold = &logic_threshold,
459 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
460 .logic_threshold_for_pod = TRUE,
461
462 .trigger_sources = &an2_dig16_trigger_sources,
463 .num_trigger_sources = ARRAY_SIZE(an2_dig16_trigger_sources),
464
465 .trigger_slopes = &scope_trigger_slopes,
466 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
467
468 .timebases = &timebases,
469 .num_timebases = ARRAY_SIZE(timebases),
470
471 .vdivs = &vdivs,
472 .num_vdivs = VDIVS_COUNT_UPTO_10V,
473
474 .num_ydivs = 8,
475
476 .scpi_dialect = &hameg_scpi_dialect,
477 },
478 {
479 /* HMO Compact4: HMO724/1024/1524/2024 support only 8 digital channels. */
480 .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
481 .analog_channels = 4,
482 .digital_channels = 8,
483
484 .analog_names = &scope_analog_channel_names,
485 .digital_names = &scope_digital_channel_names,
486
487 .devopts = &devopts,
488 .num_devopts = ARRAY_SIZE(devopts),
489
490 .devopts_cg_analog = &devopts_cg_analog,
491 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
492
493 .devopts_cg_digital = &devopts_cg_digital,
494 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
495
496 .coupling_options = &coupling_options,
497 .num_coupling_options = ARRAY_SIZE(coupling_options),
498
499 .logic_threshold = &logic_threshold,
500 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
501 .logic_threshold_for_pod = TRUE,
502
503 .trigger_sources = &an4_dig8_trigger_sources,
504 .num_trigger_sources = ARRAY_SIZE(an4_dig8_trigger_sources),
505
506 .trigger_slopes = &scope_trigger_slopes,
507 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
508
509 .timebases = &timebases_hmo_compact,
510 .num_timebases = ARRAY_SIZE(timebases_hmo_compact),
511
512 .vdivs = &vdivs,
513 .num_vdivs = VDIVS_COUNT_UPTO_10V,
514
515 .num_ydivs = 8,
516
517 .scpi_dialect = &hameg_scpi_dialect,
518 },
519 {
520 .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", "HMO3524", NULL},
521 .analog_channels = 4,
522 .digital_channels = 16,
523
524 .analog_names = &scope_analog_channel_names,
525 .digital_names = &scope_digital_channel_names,
526
527 .devopts = &devopts,
528 .num_devopts = ARRAY_SIZE(devopts),
529
530 .devopts_cg_analog = &devopts_cg_analog,
531 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
532
533 .devopts_cg_digital = &devopts_cg_digital,
534 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
535
536 .coupling_options = &coupling_options,
537 .num_coupling_options = ARRAY_SIZE(coupling_options),
538
539 .logic_threshold = &logic_threshold,
540 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
541 .logic_threshold_for_pod = TRUE,
542
543 .trigger_sources = &an4_dig16_trigger_sources,
544 .num_trigger_sources = ARRAY_SIZE(an4_dig16_trigger_sources),
545
546 .trigger_slopes = &scope_trigger_slopes,
547 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
548
549 .timebases = &timebases,
550 .num_timebases = ARRAY_SIZE(timebases),
551
552 .vdivs = &vdivs,
553 .num_vdivs = VDIVS_COUNT_UPTO_10V,
554
555 .num_ydivs = 8,
556
557 .scpi_dialect = &hameg_scpi_dialect,
558 },
559 {
560 .name = {"RTB2002", NULL},
561 .analog_channels = 2,
562 .digital_channels = 16,
563
564 .analog_names = &scope_analog_channel_names,
565 .digital_names = &scope_digital_channel_names,
566
567 .devopts = &devopts,
568 .num_devopts = ARRAY_SIZE(devopts),
569
570 .devopts_cg_analog = &devopts_cg_analog,
571 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
572
573 .devopts_cg_digital = &devopts_cg_digital,
574 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
575
576 .coupling_options = &coupling_options_rtb200x,
577 .num_coupling_options = ARRAY_SIZE(coupling_options_rtb200x),
578
579 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
580 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
581 .logic_threshold_for_pod = FALSE,
582
583 .trigger_sources = &an2_dig16_sbus_trigger_sources,
584 .num_trigger_sources = ARRAY_SIZE(an2_dig16_sbus_trigger_sources),
585
586 .trigger_slopes = &scope_trigger_slopes,
587 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
588
589 .timebases = &timebases,
590 .num_timebases = ARRAY_SIZE(timebases),
591
592 .vdivs = &vdivs,
593 .num_vdivs = VDIVS_COUNT_UPTO_50V,
594
595 .num_ydivs = 8,
596
597 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
598 },
599 {
600 .name = {"RTB2004", NULL},
601 .analog_channels = 4,
602 .digital_channels = 16,
603
604 .analog_names = &scope_analog_channel_names,
605 .digital_names = &scope_digital_channel_names,
606
607 .devopts = &devopts,
608 .num_devopts = ARRAY_SIZE(devopts),
609
610 .devopts_cg_analog = &devopts_cg_analog,
611 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
612
613 .devopts_cg_digital = &devopts_cg_digital,
614 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
615
616 .coupling_options = &coupling_options_rtb200x,
617 .num_coupling_options = ARRAY_SIZE(coupling_options_rtb200x),
618
619 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
620 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
621 .logic_threshold_for_pod = FALSE,
622
623 .trigger_sources = &an4_dig16_sbus_trigger_sources,
624 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
625
626 .trigger_slopes = &scope_trigger_slopes,
627 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
628
629 .timebases = &timebases,
630 .num_timebases = ARRAY_SIZE(timebases),
631
632 .vdivs = &vdivs,
633 .num_vdivs = VDIVS_COUNT_UPTO_50V,
634
635 .num_ydivs = 8,
636
637 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
638 },
639 {
640 .name = {"RTM3002", NULL},
641 .analog_channels = 2,
642 .digital_channels = 16,
643
644 .analog_names = &scope_analog_channel_names,
645 .digital_names = &scope_digital_channel_names,
646
647 .devopts = &devopts,
648 .num_devopts = ARRAY_SIZE(devopts),
649
650 .devopts_cg_analog = &devopts_cg_analog,
651 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
652
653 .devopts_cg_digital = &devopts_cg_digital,
654 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
655
656 .coupling_options = &coupling_options_rtm300x,
657 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
658
659 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
660 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
661 .logic_threshold_for_pod = FALSE,
662
663 .trigger_sources = &an2_dig16_sbus_trigger_sources,
664 .num_trigger_sources = ARRAY_SIZE(an2_dig16_sbus_trigger_sources),
665
666 .trigger_slopes = &scope_trigger_slopes,
667 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
668
669 .timebases = &timebases,
670 .num_timebases = ARRAY_SIZE(timebases),
671
672 .vdivs = &vdivs,
673 .num_vdivs = VDIVS_COUNT_UPTO_10V,
674
675 .num_ydivs = 8,
676
677 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
678 },
679 {
680 .name = {"RTM3004", NULL},
681 .analog_channels = 4,
682 .digital_channels = 16,
683
684 .analog_names = &scope_analog_channel_names,
685 .digital_names = &scope_digital_channel_names,
686
687 .devopts = &devopts,
688 .num_devopts = ARRAY_SIZE(devopts),
689
690 .devopts_cg_analog = &devopts_cg_analog,
691 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
692
693 .devopts_cg_digital = &devopts_cg_digital,
694 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
695
696 .coupling_options = &coupling_options_rtm300x,
697 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
698
699 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
700 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
701 .logic_threshold_for_pod = FALSE,
702
703 .trigger_sources = &an4_dig16_sbus_trigger_sources,
704 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
705
706 .trigger_slopes = &scope_trigger_slopes,
707 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
708
709 .timebases = &timebases,
710 .num_timebases = ARRAY_SIZE(timebases),
711
712 .vdivs = &vdivs,
713 .num_vdivs = VDIVS_COUNT_UPTO_10V,
714
715 .num_ydivs = 8,
716
717 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
718 },
719 {
720 .name = {"RTA4004", NULL},
721 .analog_channels = 4,
722 .digital_channels = 16,
723
724 .analog_names = &scope_analog_channel_names,
725 .digital_names = &scope_digital_channel_names,
726
727 .devopts = &devopts,
728 .num_devopts = ARRAY_SIZE(devopts),
729
730 .devopts_cg_analog = &devopts_cg_analog,
731 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
732
733 .devopts_cg_digital = &devopts_cg_digital,
734 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
735
736 .coupling_options = &coupling_options_rtm300x,
737 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
738
739 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
740 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
741 .logic_threshold_for_pod = FALSE,
742
743 .trigger_sources = &an4_dig16_sbus_trigger_sources,
744 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
745
746 .trigger_slopes = &scope_trigger_slopes,
747 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
748
749 .timebases = &timebases,
750 .num_timebases = ARRAY_SIZE(timebases),
751
752 .vdivs = &vdivs,
753 .num_vdivs = VDIVS_COUNT_UPTO_10V,
754
755 .num_ydivs = 8,
756
757 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
758 },
759};
760
761static void scope_state_dump(const struct scope_config *config,
762 struct scope_state *state)
763{
764 unsigned int i;
765 char *tmp;
766
767 for (i = 0; i < config->analog_channels; i++) {
768 tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0],
769 (*config->vdivs)[state->analog_channels[i].vdiv][1]);
770 sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)",
771 i + 1, state->analog_channels[i].state ? "On" : "Off",
772 (*config->coupling_options)[state->analog_channels[i].coupling],
773 tmp, state->analog_channels[i].vertical_offset);
774 }
775
776 for (i = 0; i < config->digital_channels; i++) {
777 sr_info("State of digital channel %d -> %s", i,
778 state->digital_channels[i] ? "On" : "Off");
779 }
780
781 for (i = 0; i < config->digital_pods; i++) {
782 if (!strncmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold], 4) ||
783 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
784 sr_info("State of digital POD %d -> %s : %E (threshold)", i + 1,
785 state->digital_pods[i].state ? "On" : "Off",
786 state->digital_pods[i].user_threshold);
787 else
788 sr_info("State of digital POD %d -> %s : %s (threshold)", i + 1,
789 state->digital_pods[i].state ? "On" : "Off",
790 (*config->logic_threshold)[state->digital_pods[i].threshold]);
791 }
792
793 tmp = sr_period_string((*config->timebases)[state->timebase][0],
794 (*config->timebases)[state->timebase][1]);
795 sr_info("Current timebase: %s", tmp);
796 g_free(tmp);
797
798 tmp = sr_samplerate_string(state->sample_rate);
799 sr_info("Current samplerate: %s", tmp);
800 g_free(tmp);
801
802 if (!strcmp("PATT", (*config->trigger_sources)[state->trigger_source]))
803 sr_info("Current trigger: %s (pattern), %.2f (offset)",
804 state->trigger_pattern,
805 state->horiz_triggerpos);
806 else // Edge (slope) trigger
807 sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)",
808 (*config->trigger_sources)[state->trigger_source],
809 (*config->trigger_slopes)[state->trigger_slope],
810 state->horiz_triggerpos);
811}
812
813static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi,
814 const char *command, const char *(*array)[], unsigned int n, int *result)
815{
816 char *tmp;
817 int idx;
818
819 if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK)
820 return SR_ERR;
821
822 if ((idx = std_str_idx_s(tmp, *array, n)) < 0) {
823 g_free(tmp);
824 return SR_ERR_ARG;
825 }
826
827 *result = idx;
828
829 g_free(tmp);
830
831 return SR_OK;
832}
833
834/**
835 * This function takes a value of the form "2.000E-03" and returns the index
836 * of an array where a matching pair was found.
837 *
838 * @param value The string to be parsed.
839 * @param array The array of s/f pairs.
840 * @param array_len The number of pairs in the array.
841 * @param result The index at which a matching pair was found.
842 *
843 * @return SR_ERR on any parsing error, SR_OK otherwise.
844 */
845static int array_float_get(gchar *value, const uint64_t array[][2],
846 int array_len, unsigned int *result)
847{
848 struct sr_rational rval;
849 struct sr_rational aval;
850
851 if (sr_parse_rational(value, &rval) != SR_OK)
852 return SR_ERR;
853
854 for (int i = 0; i < array_len; i++) {
855 sr_rational_set(&aval, array[i][0], array[i][1]);
856 if (sr_rational_eq(&rval, &aval)) {
857 *result = i;
858 return SR_OK;
859 }
860 }
861
862 return SR_ERR;
863}
864
865static struct sr_channel *get_channel_by_index_and_type(GSList *channel_lhead,
866 int index, int type)
867{
868 while (channel_lhead) {
869 struct sr_channel *ch = channel_lhead->data;
870 if (ch->index == index && ch->type == type)
871 return ch;
872
873 channel_lhead = channel_lhead->next;
874 }
875
876 return 0;
877}
878
879static int analog_channel_state_get(struct sr_dev_inst *sdi,
880 const struct scope_config *config,
881 struct scope_state *state)
882{
883 unsigned int i, j;
884 char command[MAX_COMMAND_SIZE];
885 char *tmp_str;
886 struct sr_channel *ch;
887 struct sr_scpi_dev_inst *scpi = sdi->conn;
888
889 for (i = 0; i < config->analog_channels; i++) {
890 g_snprintf(command, sizeof(command),
891 (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
892 i + 1);
893
894 if (sr_scpi_get_bool(scpi, command,
895 &state->analog_channels[i].state) != SR_OK)
896 return SR_ERR;
897
898 ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_ANALOG);
899 if (ch)
900 ch->enabled = state->analog_channels[i].state;
901
902 g_snprintf(command, sizeof(command),
903 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_SCALE],
904 i + 1);
905
906 if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
907 return SR_ERR;
908
909 if (array_float_get(tmp_str, *(config->vdivs), config->num_vdivs, &j) != SR_OK) {
910 g_free(tmp_str);
911 sr_err("Could not determine array index for vertical div scale.");
912 return SR_ERR;
913 }
914
915 g_free(tmp_str);
916 state->analog_channels[i].vdiv = j;
917
918 g_snprintf(command, sizeof(command),
919 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
920 i + 1);
921
922 if (sr_scpi_get_float(scpi, command,
923 &state->analog_channels[i].vertical_offset) != SR_OK)
924 return SR_ERR;
925
926 g_snprintf(command, sizeof(command),
927 (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
928 i + 1);
929
930 if (scope_state_get_array_option(scpi, command, config->coupling_options,
931 config->num_coupling_options,
932 &state->analog_channels[i].coupling) != SR_OK)
933 return SR_ERR;
934
935 g_snprintf(command, sizeof(command),
936 (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT],
937 i + 1);
938
939 if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
940 return SR_ERR;
941
942 if (tmp_str[0] == 'A')
943 state->analog_channels[i].probe_unit = 'A';
944 else
945 state->analog_channels[i].probe_unit = 'V';
946 g_free(tmp_str);
947 }
948
949 return SR_OK;
950}
951
952static int digital_channel_state_get(struct sr_dev_inst *sdi,
953 const struct scope_config *config,
954 struct scope_state *state)
955{
956 unsigned int i, idx;
957 int result = SR_ERR;
958 char *logic_threshold_short[MAX_NUM_LOGIC_THRESHOLD_ENTRIES];
959 char command[MAX_COMMAND_SIZE];
960 struct sr_channel *ch;
961 struct sr_scpi_dev_inst *scpi = sdi->conn;
962
963 for (i = 0; i < config->digital_channels; i++) {
964 g_snprintf(command, sizeof(command),
965 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE],
966 i);
967
968 if (sr_scpi_get_bool(scpi, command,
969 &state->digital_channels[i]) != SR_OK)
970 return SR_ERR;
971
972 ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_LOGIC);
973 if (ch)
974 ch->enabled = state->digital_channels[i];
975 }
976
977 /* According to the SCPI standard, on models that support multiple
978 * user-defined logic threshold settings the response to the command
979 * SCPI_CMD_GET_DIG_POD_THRESHOLD might return "USER" instead of
980 * "USER1".
981 *
982 * This makes more difficult to validate the response when the logic
983 * threshold is set to "USER1" and therefore we need to prevent device
984 * opening failures in such configuration case...
985 */
986 for (i = 0; i < config->num_logic_threshold; i++) {
987 logic_threshold_short[i] = g_strdup((*config->logic_threshold)[i]);
988 if (!strcmp("USER1", (*config->logic_threshold)[i]))
989 g_strlcpy(logic_threshold_short[i],
990 (*config->logic_threshold)[i], strlen((*config->logic_threshold)[i]));
991 }
992
993 for (i = 0; i < config->digital_pods; i++) {
994 g_snprintf(command, sizeof(command),
995 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE],
996 i + 1);
997
998 if (sr_scpi_get_bool(scpi, command,
999 &state->digital_pods[i].state) != SR_OK)
1000 goto exit;
1001
1002 /* Check if the threshold command is based on the POD or digital channel index. */
1003 if (config->logic_threshold_for_pod)
1004 idx = i + 1;
1005 else
1006 idx = i * DIGITAL_CHANNELS_PER_POD;
1007
1008 g_snprintf(command, sizeof(command),
1009 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD],
1010 idx);
1011
1012 /* Check for both standard and shortened responses. */
1013 if (scope_state_get_array_option(scpi, command, config->logic_threshold,
1014 config->num_logic_threshold,
1015 &state->digital_pods[i].threshold) != SR_OK)
1016 if (scope_state_get_array_option(scpi, command, (const char * (*)[]) &logic_threshold_short,
1017 config->num_logic_threshold,
1018 &state->digital_pods[i].threshold) != SR_OK)
1019 goto exit;
1020
1021 /* If used-defined or custom threshold is active, get the level. */
1022 if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1023 g_snprintf(command, sizeof(command),
1024 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1025 idx, 1); /* USER1 logic threshold setting. */
1026 else if (!strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1027 g_snprintf(command, sizeof(command),
1028 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1029 idx, 2); /* USER2 for custom logic_threshold setting. */
1030 else if (!strcmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1031 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1032 g_snprintf(command, sizeof(command),
1033 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1034 idx); /* USER or MAN for custom logic_threshold setting. */
1035 if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1036 !strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1037 !strcmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1038 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1039 if (sr_scpi_get_float(scpi, command,
1040 &state->digital_pods[i].user_threshold) != SR_OK)
1041 goto exit;
1042 }
1043
1044 result = SR_OK;
1045
1046exit:
1047 for (i = 0; i < config->num_logic_threshold; i++)
1048 g_free(logic_threshold_short[i]);
1049
1050 return result;
1051}
1052
1053SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi)
1054{
1055 struct dev_context *devc;
1056 struct scope_state *state;
1057 const struct scope_config *config;
1058 float tmp_float;
1059
1060 devc = sdi->priv;
1061 config = devc->model_config;
1062 state = devc->model_state;
1063
1064 if (sr_scpi_get_float(sdi->conn,
1065 (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE],
1066 &tmp_float) != SR_OK)
1067 return SR_ERR;
1068
1069 state->sample_rate = tmp_float;
1070
1071 return SR_OK;
1072}
1073
1074SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi)
1075{
1076 struct dev_context *devc;
1077 struct scope_state *state;
1078 const struct scope_config *config;
1079 float tmp_float;
1080 unsigned int i;
1081 char *tmp_str;
1082
1083 devc = sdi->priv;
1084 config = devc->model_config;
1085 state = devc->model_state;
1086
1087 sr_info("Fetching scope state");
1088
1089 if (analog_channel_state_get(sdi, config, state) != SR_OK)
1090 return SR_ERR;
1091
1092 if (digital_channel_state_get(sdi, config, state) != SR_OK)
1093 return SR_ERR;
1094
1095 if (sr_scpi_get_string(sdi->conn,
1096 (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
1097 &tmp_str) != SR_OK)
1098 return SR_ERR;
1099
1100 if (array_float_get(tmp_str, ARRAY_AND_SIZE(timebases), &i) != SR_OK) {
1101 g_free(tmp_str);
1102 sr_err("Could not determine array index for time base.");
1103 return SR_ERR;
1104 }
1105 g_free(tmp_str);
1106
1107 state->timebase = i;
1108
1109 /* Determine the number of horizontal (x) divisions. */
1110 if (sr_scpi_get_int(sdi->conn,
1111 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZONTAL_DIV],
1112 (int *)&config->num_xdivs) != SR_OK)
1113 return SR_ERR;
1114
1115 if (sr_scpi_get_float(sdi->conn,
1116 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
1117 &tmp_float) != SR_OK)
1118 return SR_ERR;
1119 state->horiz_triggerpos = tmp_float /
1120 (((double) (*config->timebases)[state->timebase][0] /
1121 (*config->timebases)[state->timebase][1]) * config->num_xdivs);
1122 state->horiz_triggerpos -= 0.5;
1123 state->horiz_triggerpos *= -1;
1124
1125 if (scope_state_get_array_option(sdi->conn,
1126 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE],
1127 config->trigger_sources, config->num_trigger_sources,
1128 &state->trigger_source) != SR_OK)
1129 return SR_ERR;
1130
1131 if (scope_state_get_array_option(sdi->conn,
1132 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE],
1133 config->trigger_slopes, config->num_trigger_slopes,
1134 &state->trigger_slope) != SR_OK)
1135 return SR_ERR;
1136
1137 if (sr_scpi_get_string(sdi->conn,
1138 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_PATTERN],
1139 &tmp_str) != SR_OK)
1140 return SR_ERR;
1141 strncpy(state->trigger_pattern,
1142 sr_scpi_unquote_string(tmp_str),
1143 MAX_ANALOG_CHANNEL_COUNT + MAX_DIGITAL_CHANNEL_COUNT);
1144 g_free(tmp_str);
1145
1146 if (sr_scpi_get_string(sdi->conn,
1147 (*config->scpi_dialect)[SCPI_CMD_GET_HIGH_RESOLUTION],
1148 &tmp_str) != SR_OK)
1149 return SR_ERR;
1150 if (!strcmp("OFF", tmp_str))
1151 state->high_resolution = FALSE;
1152 else
1153 state->high_resolution = TRUE;
1154 g_free(tmp_str);
1155
1156 if (sr_scpi_get_string(sdi->conn,
1157 (*config->scpi_dialect)[SCPI_CMD_GET_PEAK_DETECTION],
1158 &tmp_str) != SR_OK)
1159 return SR_ERR;
1160 if (!strcmp("OFF", tmp_str))
1161 state->peak_detection = FALSE;
1162 else
1163 state->peak_detection = TRUE;
1164 g_free(tmp_str);
1165
1166 if (hmo_update_sample_rate(sdi) != SR_OK)
1167 return SR_ERR;
1168
1169 sr_info("Fetching finished.");
1170
1171 scope_state_dump(config, state);
1172
1173 return SR_OK;
1174}
1175
1176static struct scope_state *scope_state_new(const struct scope_config *config)
1177{
1178 struct scope_state *state;
1179
1180 state = g_malloc0(sizeof(struct scope_state));
1181 state->analog_channels = g_malloc0_n(config->analog_channels,
1182 sizeof(struct analog_channel_state));
1183 state->digital_channels = g_malloc0_n(
1184 config->digital_channels, sizeof(gboolean));
1185 state->digital_pods = g_malloc0_n(config->digital_pods,
1186 sizeof(struct digital_pod_state));
1187
1188 return state;
1189}
1190
1191SR_PRIV void hmo_scope_state_free(struct scope_state *state)
1192{
1193 g_free(state->analog_channels);
1194 g_free(state->digital_channels);
1195 g_free(state->digital_pods);
1196 g_free(state);
1197}
1198
1199SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
1200{
1201 int model_index;
1202 unsigned int i, j, group;
1203 struct sr_channel *ch;
1204 struct dev_context *devc;
1205 const char *cg_name;
1206 int ret;
1207
1208 devc = sdi->priv;
1209 model_index = -1;
1210
1211 /* Find the exact model. */
1212 for (i = 0; i < ARRAY_SIZE(scope_models); i++) {
1213 for (j = 0; scope_models[i].name[j]; j++) {
1214 if (!strcmp(sdi->model, scope_models[i].name[j])) {
1215 model_index = i;
1216 break;
1217 }
1218 }
1219 if (model_index != -1)
1220 break;
1221 }
1222
1223 if (model_index == -1) {
1224 sr_dbg("Unsupported device.");
1225 return SR_ERR_NA;
1226 }
1227
1228 /* Configure the number of PODs given the number of digital channels. */
1229 scope_models[model_index].digital_pods = scope_models[model_index].digital_channels / DIGITAL_CHANNELS_PER_POD;
1230
1231 devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) *
1232 scope_models[model_index].analog_channels);
1233 devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) *
1234 scope_models[model_index].digital_pods);
1235 if (!devc->analog_groups || !devc->digital_groups) {
1236 g_free(devc->analog_groups);
1237 g_free(devc->digital_groups);
1238 return SR_ERR_MALLOC;
1239 }
1240
1241 /* Add analog channels. */
1242 for (i = 0; i < scope_models[model_index].analog_channels; i++) {
1243 ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE,
1244 (*scope_models[model_index].analog_names)[i]);
1245
1246 cg_name = (*scope_models[model_index].analog_names)[i];
1247 devc->analog_groups[i] = sr_channel_group_new(sdi, cg_name, NULL);
1248 devc->analog_groups[i]->channels = g_slist_append(NULL, ch);
1249 }
1250
1251 /* Add digital channel groups. */
1252 ret = SR_OK;
1253 for (i = 0; i < scope_models[model_index].digital_pods; i++) {
1254 devc->digital_groups[i] = sr_channel_group_new(sdi, NULL, NULL);
1255 if (!devc->digital_groups[i]) {
1256 ret = SR_ERR_MALLOC;
1257 break;
1258 }
1259 devc->digital_groups[i]->name = g_strdup_printf("POD%d", i + 1);
1260 }
1261 if (ret != SR_OK)
1262 return ret;
1263
1264 /* Add digital channels. */
1265 for (i = 0; i < scope_models[model_index].digital_channels; i++) {
1266 ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
1267 (*scope_models[model_index].digital_names)[i]);
1268
1269 group = i / DIGITAL_CHANNELS_PER_POD;
1270 devc->digital_groups[group]->channels = g_slist_append(
1271 devc->digital_groups[group]->channels, ch);
1272 }
1273
1274 devc->model_config = &scope_models[model_index];
1275 devc->samples_limit = 0;
1276 devc->frame_limit = 0;
1277
1278 if (!(devc->model_state = scope_state_new(devc->model_config)))
1279 return SR_ERR_MALLOC;
1280
1281 return SR_OK;
1282}
1283
1284/* Queue data of one channel group, for later submission. */
1285SR_PRIV void hmo_queue_logic_data(struct dev_context *devc,
1286 size_t group, GByteArray *pod_data)
1287{
1288 size_t size;
1289 GByteArray *store;
1290 uint8_t *logic_data;
1291 size_t idx, logic_step;
1292
1293 /*
1294 * Upon first invocation, allocate the array which can hold the
1295 * combined logic data for all channels. Assume that each channel
1296 * will yield an identical number of samples per receive call.
1297 *
1298 * As a poor man's safety measure: (Silently) skip processing
1299 * for unexpected sample counts, and ignore samples for
1300 * unexpected channel groups. Don't bother with complicated
1301 * resize logic, considering that many models only support one
1302 * pod, and the most capable supported models have two pods of
1303 * identical size. We haven't yet seen any "odd" configuration.
1304 */
1305 if (!devc->logic_data) {
1306 size = pod_data->len * devc->pod_count;
1307 store = g_byte_array_sized_new(size);
1308 memset(store->data, 0, size);
1309 store = g_byte_array_set_size(store, size);
1310 devc->logic_data = store;
1311 } else {
1312 store = devc->logic_data;
1313 size = store->len / devc->pod_count;
1314 if (group >= devc->pod_count)
1315 return;
1316 }
1317
1318 /*
1319 * Fold the data of the most recently received channel group into
1320 * the storage, where data resides for all channels combined.
1321 */
1322 logic_data = store->data;
1323 logic_data += group;
1324 logic_step = devc->pod_count;
1325 for (idx = 0; idx < pod_data->len; idx++) {
1326 *logic_data = pod_data->data[idx];
1327 logic_data += logic_step;
1328 }
1329
1330 /* Truncate acquisition if a smaller number of samples has been requested. */
1331 if (devc->samples_limit > 0 && devc->logic_data->len > devc->samples_limit * devc->pod_count)
1332 devc->logic_data->len = devc->samples_limit * devc->pod_count;
1333}
1334
1335/* Submit data for all channels, after the individual groups got collected. */
1336SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi,
1337 struct dev_context *devc)
1338{
1339 struct sr_datafeed_packet packet;
1340 struct sr_datafeed_logic logic;
1341
1342 if (!devc->logic_data)
1343 return;
1344
1345 logic.data = devc->logic_data->data;
1346 logic.length = devc->logic_data->len;
1347 logic.unitsize = devc->pod_count;
1348
1349 packet.type = SR_DF_LOGIC;
1350 packet.payload = &logic;
1351
1352 sr_session_send(sdi, &packet);
1353}
1354
1355/* Undo previous resource allocation. */
1356SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc)
1357{
1358
1359 if (devc->logic_data) {
1360 g_byte_array_free(devc->logic_data, TRUE);
1361 devc->logic_data = NULL;
1362 }
1363 /*
1364 * Keep 'pod_count'! It's required when more frames will be
1365 * received, and does not harm when kept after acquisition.
1366 */
1367}
1368
1369SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
1370{
1371 struct sr_channel *ch;
1372 struct sr_dev_inst *sdi;
1373 struct dev_context *devc;
1374 struct scope_state *state;
1375 struct sr_datafeed_packet packet;
1376 GByteArray *data;
1377 struct sr_datafeed_analog analog;
1378 struct sr_analog_encoding encoding;
1379 struct sr_analog_meaning meaning;
1380 struct sr_analog_spec spec;
1381 struct sr_datafeed_logic logic;
1382 size_t group;
1383
1384 (void)fd;
1385 (void)revents;
1386
1387 if (!(sdi = cb_data))
1388 return TRUE;
1389
1390 if (!(devc = sdi->priv))
1391 return TRUE;
1392
1393 /* Although this is correct in general, the USBTMC libusb implementation
1394 * currently does not generate an event prior to the first read. Often
1395 * it is ok to start reading just after the 50ms timeout. See bug #785.
1396 if (revents != G_IO_IN)
1397 return TRUE;
1398 */
1399
1400 ch = devc->current_channel->data;
1401 state = devc->model_state;
1402
1403 /*
1404 * Send "frame begin" packet upon reception of data for the
1405 * first enabled channel.
1406 */
1407 if (devc->current_channel == devc->enabled_channels)
1408 std_session_send_df_frame_begin(sdi);
1409
1410 /*
1411 * Pass on the received data of the channel(s).
1412 */
1413 switch (ch->type) {
1414 case SR_CHANNEL_ANALOG:
1415 data = NULL;
1416 if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
1417 if (data)
1418 g_byte_array_free(data, TRUE);
1419 return TRUE;
1420 }
1421
1422 packet.type = SR_DF_ANALOG;
1423
1424 analog.data = data->data;
1425 analog.num_samples = data->len / sizeof(float);
1426 /* Truncate acquisition if a smaller number of samples has been requested. */
1427 if (devc->samples_limit > 0 && analog.num_samples > devc->samples_limit)
1428 analog.num_samples = devc->samples_limit;
1429 /* TODO: Use proper 'digits' value for this device (and its modes). */
1430 sr_analog_init(&analog, &encoding, &meaning, &spec, 2);
1431 encoding.is_signed = TRUE;
1432 if (state->analog_channels[ch->index].probe_unit == 'V') {
1433 meaning.mq = SR_MQ_VOLTAGE;
1434 meaning.unit = SR_UNIT_VOLT;
1435 } else {
1436 meaning.mq = SR_MQ_CURRENT;
1437 meaning.unit = SR_UNIT_AMPERE;
1438 }
1439 meaning.channels = g_slist_append(NULL, ch);
1440 packet.payload = &analog;
1441 sr_session_send(sdi, &packet);
1442 devc->num_samples = data->len / sizeof(float);
1443 g_slist_free(meaning.channels);
1444 g_byte_array_free(data, TRUE);
1445 data = NULL;
1446 break;
1447 case SR_CHANNEL_LOGIC:
1448 data = NULL;
1449 if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
1450 if (data)
1451 g_byte_array_free(data, TRUE);
1452 return TRUE;
1453 }
1454
1455 /*
1456 * If only data from the first pod is involved in the
1457 * acquisition, then the raw input bytes can get passed
1458 * forward for performance reasons. When the second pod
1459 * is involved (either alone, or in combination with the
1460 * first pod), then the received bytes need to be put
1461 * into memory in such a layout that all channel groups
1462 * get combined, and a unitsize larger than a single byte
1463 * applies. The "queue" logic transparently copes with
1464 * any such configuration. This works around the lack
1465 * of support for "meaning" to logic data, which is used
1466 * above for analog data.
1467 */
1468 if (devc->pod_count == 1) {
1469 packet.type = SR_DF_LOGIC;
1470 logic.data = data->data;
1471 logic.length = data->len;
1472 /* Truncate acquisition if a smaller number of samples has been requested. */
1473 if (devc->samples_limit > 0 && logic.length > devc->samples_limit)
1474 logic.length = devc->samples_limit;
1475 logic.unitsize = 1;
1476 packet.payload = &logic;
1477 sr_session_send(sdi, &packet);
1478 } else {
1479 group = ch->index / DIGITAL_CHANNELS_PER_POD;
1480 hmo_queue_logic_data(devc, group, data);
1481 }
1482
1483 devc->num_samples = data->len / devc->pod_count;
1484 g_byte_array_free(data, TRUE);
1485 data = NULL;
1486 break;
1487 default:
1488 sr_err("Invalid channel type.");
1489 break;
1490 }
1491
1492 /*
1493 * Advance to the next enabled channel. When data for all enabled
1494 * channels was received, then flush potentially queued logic data,
1495 * and send the "frame end" packet.
1496 */
1497 if (devc->current_channel->next) {
1498 devc->current_channel = devc->current_channel->next;
1499 hmo_request_data(sdi);
1500 return TRUE;
1501 }
1502 hmo_send_logic_packet(sdi, devc);
1503
1504 /*
1505 * Release the logic data storage after each frame. This copes
1506 * with sample counts that differ in length per frame. -- Is
1507 * this a real constraint when acquiring multiple frames with
1508 * identical device settings?
1509 */
1510 hmo_cleanup_logic_data(devc);
1511
1512 std_session_send_df_frame_end(sdi);
1513
1514 /*
1515 * End of frame was reached. Stop acquisition after the specified
1516 * number of frames or after the specified number of samples, or
1517 * continue reception by starting over at the first enabled channel.
1518 */
1519 if (++devc->num_frames >= devc->frame_limit || devc->num_samples >= devc->samples_limit) {
1520 sr_dev_acquisition_stop(sdi);
1521 hmo_cleanup_logic_data(devc);
1522 } else {
1523 devc->current_channel = devc->enabled_channels;
1524 hmo_request_data(sdi);
1525 }
1526
1527 return TRUE;
1528}
Hardware access and backend lib