2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com>
5 * Copyright (C) 2018 Guido Trentalancia <guido@trentalancia.com>
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.
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.
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/>.
27 SR_PRIV void hmo_queue_logic_data(struct dev_context *devc,
28 size_t group, GByteArray *pod_data);
29 SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi,
30 struct dev_context *devc);
31 SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc);
33 static 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",
75 static 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",
117 static 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,
132 static 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,
138 static 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,
143 static 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
151 static const char *coupling_options_rtb200x[] = {
152 "ACL", // AC with 1 MOhm termination
153 "DCL", // DC with 1 MOhm termination
157 static 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
164 static const char *scope_trigger_slopes[] = {
170 /* Predefined logic thresholds. */
171 static const char *logic_threshold[] = {
176 "USER2", // overwritten by logic_threshold_custom, use USER1 for permanent setting
179 static const char *logic_threshold_rtb200x_rtm300x[] = {
183 "MAN", // overwritten by logic_threshold_custom
186 /* This might need updates whenever logic_threshold* above change. */
187 #define MAX_NUM_LOGIC_THRESHOLD_ENTRIES ARRAY_SIZE(logic_threshold)
189 /* RTC1002, HMO Compact2 and HMO1002/HMO1202 */
190 static const char *an2_dig8_trigger_sources[] = {
192 "LINE", "EXT", "PATT", "BUS1", "BUS2",
193 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
197 static const char *an2_dig16_trigger_sources[] = {
199 "LINE", "EXT", "PATT", "BUS1", "BUS2",
200 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
201 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
204 /* RTB2002 and RTM3002 */
205 static const char *an2_dig16_sbus_trigger_sources[] = {
207 "LINE", "EXT", "PATT", "SBUS1", "SBUS2",
208 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
209 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
213 static 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",
219 /* HMO3xx4 and HMO2524 */
220 static 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",
227 /* RTB2004, RTM3004 and RTA4004 */
228 static 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",
235 static const uint64_t timebases[][2] = {
275 /* HMO Compact series (HMO722/724/1022/1024/1522/1524/2022/2024) do
276 * not support 1 ns timebase setting.
278 static const uint64_t timebases_hmo_compact[][2] = {
317 static const uint64_t vdivs[][2] = {
335 static const char *scope_analog_channel_names[] = {
336 "CH1", "CH2", "CH3", "CH4",
339 static const char *scope_digital_channel_names[] = {
340 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
341 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
344 static struct scope_config scope_models[] = {
346 /* HMO Compact2: HMO722/1022/1522/2022 support only 8 digital channels. */
347 .name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
348 .analog_channels = 2,
349 .digital_channels = 8,
351 .analog_names = &scope_analog_channel_names,
352 .digital_names = &scope_digital_channel_names,
355 .num_devopts = ARRAY_SIZE(devopts),
357 .devopts_cg_analog = &devopts_cg_analog,
358 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
360 .devopts_cg_digital = &devopts_cg_digital,
361 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
363 .coupling_options = &coupling_options,
364 .num_coupling_options = ARRAY_SIZE(coupling_options),
366 .logic_threshold = &logic_threshold,
367 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
368 .logic_threshold_for_pod = TRUE,
370 .trigger_sources = &an2_dig8_trigger_sources,
371 .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
373 .trigger_slopes = &scope_trigger_slopes,
374 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
376 .timebases = &timebases_hmo_compact,
377 .num_timebases = ARRAY_SIZE(timebases_hmo_compact),
380 .num_vdivs = ARRAY_SIZE(vdivs),
384 .scpi_dialect = &hameg_scpi_dialect,
387 /* RTC1002 and HMO1002/HMO1202 support only 8 digital channels. */
388 .name = {"RTC1002", "HMO1002", "HMO1202", NULL},
389 .analog_channels = 2,
390 .digital_channels = 8,
392 .analog_names = &scope_analog_channel_names,
393 .digital_names = &scope_digital_channel_names,
396 .num_devopts = ARRAY_SIZE(devopts),
398 .devopts_cg_analog = &devopts_cg_analog,
399 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
401 .devopts_cg_digital = &devopts_cg_digital,
402 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
404 .coupling_options = &coupling_options,
405 .num_coupling_options = ARRAY_SIZE(coupling_options),
407 .logic_threshold = &logic_threshold,
408 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
409 .logic_threshold_for_pod = TRUE,
411 .trigger_sources = &an2_dig8_trigger_sources,
412 .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
414 .trigger_slopes = &scope_trigger_slopes,
415 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
417 .timebases = &timebases,
418 .num_timebases = ARRAY_SIZE(timebases),
421 .num_vdivs = ARRAY_SIZE(vdivs),
425 .scpi_dialect = &hameg_scpi_dialect,
428 /* HMO3032/3042/3052/3522 support 16 digital channels. */
429 .name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL},
430 .analog_channels = 2,
431 .digital_channels = 16,
433 .analog_names = &scope_analog_channel_names,
434 .digital_names = &scope_digital_channel_names,
437 .num_devopts = ARRAY_SIZE(devopts),
439 .devopts_cg_analog = &devopts_cg_analog,
440 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
442 .devopts_cg_digital = &devopts_cg_digital,
443 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
445 .coupling_options = &coupling_options,
446 .num_coupling_options = ARRAY_SIZE(coupling_options),
448 .logic_threshold = &logic_threshold,
449 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
450 .logic_threshold_for_pod = TRUE,
452 .trigger_sources = &an2_dig16_trigger_sources,
453 .num_trigger_sources = ARRAY_SIZE(an2_dig16_trigger_sources),
455 .trigger_slopes = &scope_trigger_slopes,
456 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
458 .timebases = &timebases,
459 .num_timebases = ARRAY_SIZE(timebases),
462 .num_vdivs = ARRAY_SIZE(vdivs),
466 .scpi_dialect = &hameg_scpi_dialect,
469 /* HMO Compact4: HMO724/1024/1524/2024 support only 8 digital channels. */
470 .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
471 .analog_channels = 4,
472 .digital_channels = 8,
474 .analog_names = &scope_analog_channel_names,
475 .digital_names = &scope_digital_channel_names,
478 .num_devopts = ARRAY_SIZE(devopts),
480 .devopts_cg_analog = &devopts_cg_analog,
481 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
483 .devopts_cg_digital = &devopts_cg_digital,
484 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
486 .coupling_options = &coupling_options,
487 .num_coupling_options = ARRAY_SIZE(coupling_options),
489 .logic_threshold = &logic_threshold,
490 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
491 .logic_threshold_for_pod = TRUE,
493 .trigger_sources = &an4_dig8_trigger_sources,
494 .num_trigger_sources = ARRAY_SIZE(an4_dig8_trigger_sources),
496 .trigger_slopes = &scope_trigger_slopes,
497 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
499 .timebases = &timebases_hmo_compact,
500 .num_timebases = ARRAY_SIZE(timebases_hmo_compact),
503 .num_vdivs = ARRAY_SIZE(vdivs),
507 .scpi_dialect = &hameg_scpi_dialect,
510 .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", "HMO3524", NULL},
511 .analog_channels = 4,
512 .digital_channels = 16,
514 .analog_names = &scope_analog_channel_names,
515 .digital_names = &scope_digital_channel_names,
518 .num_devopts = ARRAY_SIZE(devopts),
520 .devopts_cg_analog = &devopts_cg_analog,
521 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
523 .devopts_cg_digital = &devopts_cg_digital,
524 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
526 .coupling_options = &coupling_options,
527 .num_coupling_options = ARRAY_SIZE(coupling_options),
529 .logic_threshold = &logic_threshold,
530 .num_logic_threshold = ARRAY_SIZE(logic_threshold),
531 .logic_threshold_for_pod = TRUE,
533 .trigger_sources = &an4_dig16_trigger_sources,
534 .num_trigger_sources = ARRAY_SIZE(an4_dig16_trigger_sources),
536 .trigger_slopes = &scope_trigger_slopes,
537 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
539 .timebases = &timebases,
540 .num_timebases = ARRAY_SIZE(timebases),
543 .num_vdivs = ARRAY_SIZE(vdivs),
547 .scpi_dialect = &hameg_scpi_dialect,
550 .name = {"RTB2002", NULL},
551 .analog_channels = 2,
552 .digital_channels = 16,
554 .analog_names = &scope_analog_channel_names,
555 .digital_names = &scope_digital_channel_names,
558 .num_devopts = ARRAY_SIZE(devopts),
560 .devopts_cg_analog = &devopts_cg_analog,
561 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
563 .devopts_cg_digital = &devopts_cg_digital,
564 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
566 .coupling_options = &coupling_options_rtb200x,
567 .num_coupling_options = ARRAY_SIZE(coupling_options_rtb200x),
569 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
570 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
571 .logic_threshold_for_pod = FALSE,
573 .trigger_sources = &an2_dig16_sbus_trigger_sources,
574 .num_trigger_sources = ARRAY_SIZE(an2_dig16_sbus_trigger_sources),
576 .trigger_slopes = &scope_trigger_slopes,
577 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
579 .timebases = &timebases,
580 .num_timebases = ARRAY_SIZE(timebases),
583 .num_vdivs = ARRAY_SIZE(vdivs),
587 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
590 .name = {"RTB2004", NULL},
591 .analog_channels = 4,
592 .digital_channels = 16,
594 .analog_names = &scope_analog_channel_names,
595 .digital_names = &scope_digital_channel_names,
598 .num_devopts = ARRAY_SIZE(devopts),
600 .devopts_cg_analog = &devopts_cg_analog,
601 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
603 .devopts_cg_digital = &devopts_cg_digital,
604 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
606 .coupling_options = &coupling_options_rtb200x,
607 .num_coupling_options = ARRAY_SIZE(coupling_options_rtb200x),
609 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
610 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
611 .logic_threshold_for_pod = FALSE,
613 .trigger_sources = &an4_dig16_sbus_trigger_sources,
614 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
616 .trigger_slopes = &scope_trigger_slopes,
617 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
619 .timebases = &timebases,
620 .num_timebases = ARRAY_SIZE(timebases),
623 .num_vdivs = ARRAY_SIZE(vdivs),
627 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
630 .name = {"RTM3002", NULL},
631 .analog_channels = 2,
632 .digital_channels = 16,
634 .analog_names = &scope_analog_channel_names,
635 .digital_names = &scope_digital_channel_names,
638 .num_devopts = ARRAY_SIZE(devopts),
640 .devopts_cg_analog = &devopts_cg_analog,
641 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
643 .devopts_cg_digital = &devopts_cg_digital,
644 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
646 .coupling_options = &coupling_options_rtm300x,
647 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
649 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
650 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
651 .logic_threshold_for_pod = FALSE,
653 .trigger_sources = &an2_dig16_sbus_trigger_sources,
654 .num_trigger_sources = ARRAY_SIZE(an2_dig16_sbus_trigger_sources),
656 .trigger_slopes = &scope_trigger_slopes,
657 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
659 .timebases = &timebases,
660 .num_timebases = ARRAY_SIZE(timebases),
663 .num_vdivs = ARRAY_SIZE(vdivs),
667 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
670 .name = {"RTM3004", NULL},
671 .analog_channels = 4,
672 .digital_channels = 16,
674 .analog_names = &scope_analog_channel_names,
675 .digital_names = &scope_digital_channel_names,
678 .num_devopts = ARRAY_SIZE(devopts),
680 .devopts_cg_analog = &devopts_cg_analog,
681 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
683 .devopts_cg_digital = &devopts_cg_digital,
684 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
686 .coupling_options = &coupling_options_rtm300x,
687 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
689 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
690 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
691 .logic_threshold_for_pod = FALSE,
693 .trigger_sources = &an4_dig16_sbus_trigger_sources,
694 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
696 .trigger_slopes = &scope_trigger_slopes,
697 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
699 .timebases = &timebases,
700 .num_timebases = ARRAY_SIZE(timebases),
703 .num_vdivs = ARRAY_SIZE(vdivs),
707 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
710 .name = {"RTA4004", NULL},
711 .analog_channels = 4,
712 .digital_channels = 16,
714 .analog_names = &scope_analog_channel_names,
715 .digital_names = &scope_digital_channel_names,
718 .num_devopts = ARRAY_SIZE(devopts),
720 .devopts_cg_analog = &devopts_cg_analog,
721 .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
723 .devopts_cg_digital = &devopts_cg_digital,
724 .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
726 .coupling_options = &coupling_options_rtm300x,
727 .num_coupling_options = ARRAY_SIZE(coupling_options_rtm300x),
729 .logic_threshold = &logic_threshold_rtb200x_rtm300x,
730 .num_logic_threshold = ARRAY_SIZE(logic_threshold_rtb200x_rtm300x),
731 .logic_threshold_for_pod = FALSE,
733 .trigger_sources = &an4_dig16_sbus_trigger_sources,
734 .num_trigger_sources = ARRAY_SIZE(an4_dig16_sbus_trigger_sources),
736 .trigger_slopes = &scope_trigger_slopes,
737 .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
739 .timebases = &timebases,
740 .num_timebases = ARRAY_SIZE(timebases),
743 .num_vdivs = ARRAY_SIZE(vdivs),
747 .scpi_dialect = &rohde_schwarz_log_not_pod_scpi_dialect,
751 static void scope_state_dump(const struct scope_config *config,
752 struct scope_state *state)
757 for (i = 0; i < config->analog_channels; i++) {
758 tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0],
759 (*config->vdivs)[state->analog_channels[i].vdiv][1]);
760 sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)",
761 i + 1, state->analog_channels[i].state ? "On" : "Off",
762 (*config->coupling_options)[state->analog_channels[i].coupling],
763 tmp, state->analog_channels[i].vertical_offset);
766 for (i = 0; i < config->digital_channels; i++) {
767 sr_info("State of digital channel %d -> %s", i,
768 state->digital_channels[i] ? "On" : "Off");
771 for (i = 0; i < config->digital_pods; i++) {
772 if (!strncmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold], 4) ||
773 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
774 sr_info("State of digital POD %d -> %s : %E (threshold)", i + 1,
775 state->digital_pods[i].state ? "On" : "Off",
776 state->digital_pods[i].user_threshold);
778 sr_info("State of digital POD %d -> %s : %s (threshold)", i + 1,
779 state->digital_pods[i].state ? "On" : "Off",
780 (*config->logic_threshold)[state->digital_pods[i].threshold]);
783 tmp = sr_period_string((*config->timebases)[state->timebase][0],
784 (*config->timebases)[state->timebase][1]);
785 sr_info("Current timebase: %s", tmp);
788 tmp = sr_samplerate_string(state->sample_rate);
789 sr_info("Current samplerate: %s", tmp);
792 if (!strcmp("PATT", (*config->trigger_sources)[state->trigger_source]))
793 sr_info("Current trigger: %s (pattern), %.2f (offset)",
794 state->trigger_pattern,
795 state->horiz_triggerpos);
796 else // Edge (slope) trigger
797 sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)",
798 (*config->trigger_sources)[state->trigger_source],
799 (*config->trigger_slopes)[state->trigger_slope],
800 state->horiz_triggerpos);
803 static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi,
804 const char *command, const char *(*array)[], unsigned int n, int *result)
809 if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK)
812 if ((idx = std_str_idx_s(tmp, *array, n)) < 0) {
825 * This function takes a value of the form "2.000E-03" and returns the index
826 * of an array where a matching pair was found.
828 * @param value The string to be parsed.
829 * @param array The array of s/f pairs.
830 * @param array_len The number of pairs in the array.
831 * @param result The index at which a matching pair was found.
833 * @return SR_ERR on any parsing error, SR_OK otherwise.
835 static int array_float_get(gchar *value, const uint64_t array[][2],
836 int array_len, unsigned int *result)
838 struct sr_rational rval;
839 struct sr_rational aval;
841 if (sr_parse_rational(value, &rval) != SR_OK)
844 for (int i = 0; i < array_len; i++) {
845 sr_rational_set(&aval, array[i][0], array[i][1]);
846 if (sr_rational_eq(&rval, &aval)) {
855 static struct sr_channel *get_channel_by_index_and_type(GSList *channel_lhead,
858 while (channel_lhead) {
859 struct sr_channel *ch = channel_lhead->data;
860 if (ch->index == index && ch->type == type)
863 channel_lhead = channel_lhead->next;
869 static int analog_channel_state_get(struct sr_dev_inst *sdi,
870 const struct scope_config *config,
871 struct scope_state *state)
874 char command[MAX_COMMAND_SIZE];
876 struct sr_channel *ch;
877 struct sr_scpi_dev_inst *scpi = sdi->conn;
879 for (i = 0; i < config->analog_channels; i++) {
880 g_snprintf(command, sizeof(command),
881 (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
884 if (sr_scpi_get_bool(scpi, command,
885 &state->analog_channels[i].state) != SR_OK)
888 ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_ANALOG);
890 ch->enabled = state->analog_channels[i].state;
892 g_snprintf(command, sizeof(command),
893 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_SCALE],
896 if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
899 if (array_float_get(tmp_str, ARRAY_AND_SIZE(vdivs), &j) != SR_OK) {
901 sr_err("Could not determine array index for vertical div scale.");
906 state->analog_channels[i].vdiv = j;
908 g_snprintf(command, sizeof(command),
909 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
912 if (sr_scpi_get_float(scpi, command,
913 &state->analog_channels[i].vertical_offset) != SR_OK)
916 g_snprintf(command, sizeof(command),
917 (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
920 if (scope_state_get_array_option(scpi, command, config->coupling_options,
921 config->num_coupling_options,
922 &state->analog_channels[i].coupling) != SR_OK)
925 g_snprintf(command, sizeof(command),
926 (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT],
929 if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
932 if (tmp_str[0] == 'A')
933 state->analog_channels[i].probe_unit = 'A';
935 state->analog_channels[i].probe_unit = 'V';
942 static int digital_channel_state_get(struct sr_dev_inst *sdi,
943 const struct scope_config *config,
944 struct scope_state *state)
948 char *logic_threshold_short[MAX_NUM_LOGIC_THRESHOLD_ENTRIES];
949 char command[MAX_COMMAND_SIZE];
950 struct sr_channel *ch;
951 struct sr_scpi_dev_inst *scpi = sdi->conn;
953 for (i = 0; i < config->digital_channels; i++) {
954 g_snprintf(command, sizeof(command),
955 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE],
958 if (sr_scpi_get_bool(scpi, command,
959 &state->digital_channels[i]) != SR_OK)
962 ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_LOGIC);
964 ch->enabled = state->digital_channels[i];
967 /* According to the SCPI standard, on models that support multiple
968 * user-defined logic threshold settings the response to the command
969 * SCPI_CMD_GET_DIG_POD_THRESHOLD might return "USER" instead of
972 * This makes more difficult to validate the response when the logic
973 * threshold is set to "USER1" and therefore we need to prevent device
974 * opening failures in such configuration case...
976 for (i = 0; i < config->num_logic_threshold; i++) {
977 logic_threshold_short[i] = g_strdup((*config->logic_threshold)[i]);
978 if (!strcmp("USER1", (*config->logic_threshold)[i]))
979 g_strlcpy(logic_threshold_short[i],
980 (*config->logic_threshold)[i], strlen((*config->logic_threshold)[i]));
983 for (i = 0; i < config->digital_pods; i++) {
984 g_snprintf(command, sizeof(command),
985 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE],
988 if (sr_scpi_get_bool(scpi, command,
989 &state->digital_pods[i].state) != SR_OK)
992 /* Check if the threshold command is based on the POD or digital channel index. */
993 if (config->logic_threshold_for_pod)
996 idx = i * DIGITAL_CHANNELS_PER_POD;
998 g_snprintf(command, sizeof(command),
999 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD],
1002 /* Check for both standard and shortened responses. */
1003 if (scope_state_get_array_option(scpi, command, config->logic_threshold,
1004 config->num_logic_threshold,
1005 &state->digital_pods[i].threshold) != SR_OK)
1006 if (scope_state_get_array_option(scpi, command, (const char * (*)[]) &logic_threshold_short,
1007 config->num_logic_threshold,
1008 &state->digital_pods[i].threshold) != SR_OK)
1011 /* If used-defined or custom threshold is active, get the level. */
1012 if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1013 g_snprintf(command, sizeof(command),
1014 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1015 idx, 1); /* USER1 logic threshold setting. */
1016 else if (!strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1017 g_snprintf(command, sizeof(command),
1018 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1019 idx, 2); /* USER2 for custom logic_threshold setting. */
1020 else if (!strcmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1021 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1022 g_snprintf(command, sizeof(command),
1023 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
1024 idx); /* USER or MAN for custom logic_threshold setting. */
1025 if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1026 !strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1027 !strcmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
1028 !strcmp("MAN", (*config->logic_threshold)[state->digital_pods[i].threshold]))
1029 if (sr_scpi_get_float(scpi, command,
1030 &state->digital_pods[i].user_threshold) != SR_OK)
1037 for (i = 0; i < config->num_logic_threshold; i++)
1038 g_free(logic_threshold_short[i]);
1043 SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi)
1045 struct dev_context *devc;
1046 struct scope_state *state;
1047 const struct scope_config *config;
1051 config = devc->model_config;
1052 state = devc->model_state;
1054 if (sr_scpi_get_float(sdi->conn,
1055 (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE],
1056 &tmp_float) != SR_OK)
1059 state->sample_rate = tmp_float;
1064 SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi)
1066 struct dev_context *devc;
1067 struct scope_state *state;
1068 const struct scope_config *config;
1074 config = devc->model_config;
1075 state = devc->model_state;
1077 sr_info("Fetching scope state");
1079 if (analog_channel_state_get(sdi, config, state) != SR_OK)
1082 if (digital_channel_state_get(sdi, config, state) != SR_OK)
1085 if (sr_scpi_get_string(sdi->conn,
1086 (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
1090 if (array_float_get(tmp_str, ARRAY_AND_SIZE(timebases), &i) != SR_OK) {
1092 sr_err("Could not determine array index for time base.");
1097 state->timebase = i;
1099 /* Determine the number of horizontal (x) divisions. */
1100 if (sr_scpi_get_int(sdi->conn,
1101 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZONTAL_DIV],
1102 (int *)&config->num_xdivs) != SR_OK)
1105 if (sr_scpi_get_float(sdi->conn,
1106 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
1107 &tmp_float) != SR_OK)
1109 state->horiz_triggerpos = tmp_float /
1110 (((double) (*config->timebases)[state->timebase][0] /
1111 (*config->timebases)[state->timebase][1]) * config->num_xdivs);
1112 state->horiz_triggerpos -= 0.5;
1113 state->horiz_triggerpos *= -1;
1115 if (scope_state_get_array_option(sdi->conn,
1116 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE],
1117 config->trigger_sources, config->num_trigger_sources,
1118 &state->trigger_source) != SR_OK)
1121 if (scope_state_get_array_option(sdi->conn,
1122 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE],
1123 config->trigger_slopes, config->num_trigger_slopes,
1124 &state->trigger_slope) != SR_OK)
1127 if (sr_scpi_get_string(sdi->conn,
1128 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_PATTERN],
1131 strncpy(state->trigger_pattern,
1132 sr_scpi_unquote_string(tmp_str),
1133 MAX_ANALOG_CHANNEL_COUNT + MAX_DIGITAL_CHANNEL_COUNT);
1136 if (sr_scpi_get_string(sdi->conn,
1137 (*config->scpi_dialect)[SCPI_CMD_GET_HIGH_RESOLUTION],
1140 if (!strcmp("OFF", tmp_str))
1141 state->high_resolution = FALSE;
1143 state->high_resolution = TRUE;
1146 if (sr_scpi_get_string(sdi->conn,
1147 (*config->scpi_dialect)[SCPI_CMD_GET_PEAK_DETECTION],
1150 if (!strcmp("OFF", tmp_str))
1151 state->peak_detection = FALSE;
1153 state->peak_detection = TRUE;
1156 if (hmo_update_sample_rate(sdi) != SR_OK)
1159 sr_info("Fetching finished.");
1161 scope_state_dump(config, state);
1166 static struct scope_state *scope_state_new(const struct scope_config *config)
1168 struct scope_state *state;
1170 state = g_malloc0(sizeof(struct scope_state));
1171 state->analog_channels = g_malloc0_n(config->analog_channels,
1172 sizeof(struct analog_channel_state));
1173 state->digital_channels = g_malloc0_n(
1174 config->digital_channels, sizeof(gboolean));
1175 state->digital_pods = g_malloc0_n(config->digital_pods,
1176 sizeof(struct digital_pod_state));
1181 SR_PRIV void hmo_scope_state_free(struct scope_state *state)
1183 g_free(state->analog_channels);
1184 g_free(state->digital_channels);
1185 g_free(state->digital_pods);
1189 SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
1192 unsigned int i, j, group;
1193 struct sr_channel *ch;
1194 struct dev_context *devc;
1195 const char *cg_name;
1201 /* Find the exact model. */
1202 for (i = 0; i < ARRAY_SIZE(scope_models); i++) {
1203 for (j = 0; scope_models[i].name[j]; j++) {
1204 if (!strcmp(sdi->model, scope_models[i].name[j])) {
1209 if (model_index != -1)
1213 if (model_index == -1) {
1214 sr_dbg("Unsupported device.");
1218 /* Configure the number of PODs given the number of digital channels. */
1219 scope_models[model_index].digital_pods = scope_models[model_index].digital_channels / DIGITAL_CHANNELS_PER_POD;
1221 devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) *
1222 scope_models[model_index].analog_channels);
1223 devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) *
1224 scope_models[model_index].digital_pods);
1225 if (!devc->analog_groups || !devc->digital_groups) {
1226 g_free(devc->analog_groups);
1227 g_free(devc->digital_groups);
1228 return SR_ERR_MALLOC;
1231 /* Add analog channels. */
1232 for (i = 0; i < scope_models[model_index].analog_channels; i++) {
1233 ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE,
1234 (*scope_models[model_index].analog_names)[i]);
1236 cg_name = (*scope_models[model_index].analog_names)[i];
1237 devc->analog_groups[i] = sr_channel_group_new(sdi, cg_name, NULL);
1238 devc->analog_groups[i]->channels = g_slist_append(NULL, ch);
1241 /* Add digital channel groups. */
1243 for (i = 0; i < scope_models[model_index].digital_pods; i++) {
1244 devc->digital_groups[i] = sr_channel_group_new(sdi, NULL, NULL);
1245 if (!devc->digital_groups[i]) {
1246 ret = SR_ERR_MALLOC;
1249 devc->digital_groups[i]->name = g_strdup_printf("POD%d", i + 1);
1254 /* Add digital channels. */
1255 for (i = 0; i < scope_models[model_index].digital_channels; i++) {
1256 ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
1257 (*scope_models[model_index].digital_names)[i]);
1259 group = i / DIGITAL_CHANNELS_PER_POD;
1260 devc->digital_groups[group]->channels = g_slist_append(
1261 devc->digital_groups[group]->channels, ch);
1264 devc->model_config = &scope_models[model_index];
1265 devc->samples_limit = 0;
1266 devc->frame_limit = 0;
1268 if (!(devc->model_state = scope_state_new(devc->model_config)))
1269 return SR_ERR_MALLOC;
1274 /* Queue data of one channel group, for later submission. */
1275 SR_PRIV void hmo_queue_logic_data(struct dev_context *devc,
1276 size_t group, GByteArray *pod_data)
1280 uint8_t *logic_data;
1281 size_t idx, logic_step;
1284 * Upon first invocation, allocate the array which can hold the
1285 * combined logic data for all channels. Assume that each channel
1286 * will yield an identical number of samples per receive call.
1288 * As a poor man's safety measure: (Silently) skip processing
1289 * for unexpected sample counts, and ignore samples for
1290 * unexpected channel groups. Don't bother with complicated
1291 * resize logic, considering that many models only support one
1292 * pod, and the most capable supported models have two pods of
1293 * identical size. We haven't yet seen any "odd" configuration.
1295 if (!devc->logic_data) {
1296 size = pod_data->len * devc->pod_count;
1297 store = g_byte_array_sized_new(size);
1298 memset(store->data, 0, size);
1299 store = g_byte_array_set_size(store, size);
1300 devc->logic_data = store;
1302 store = devc->logic_data;
1303 size = store->len / devc->pod_count;
1304 if (group >= devc->pod_count)
1309 * Fold the data of the most recently received channel group into
1310 * the storage, where data resides for all channels combined.
1312 logic_data = store->data;
1313 logic_data += group;
1314 logic_step = devc->pod_count;
1315 for (idx = 0; idx < pod_data->len; idx++) {
1316 *logic_data = pod_data->data[idx];
1317 logic_data += logic_step;
1320 /* Truncate acquisition if a smaller number of samples has been requested. */
1321 if (devc->samples_limit > 0 && devc->logic_data->len > devc->samples_limit * devc->pod_count)
1322 devc->logic_data->len = devc->samples_limit * devc->pod_count;
1325 /* Submit data for all channels, after the individual groups got collected. */
1326 SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi,
1327 struct dev_context *devc)
1329 struct sr_datafeed_packet packet;
1330 struct sr_datafeed_logic logic;
1332 if (!devc->logic_data)
1335 logic.data = devc->logic_data->data;
1336 logic.length = devc->logic_data->len;
1337 logic.unitsize = devc->pod_count;
1339 packet.type = SR_DF_LOGIC;
1340 packet.payload = &logic;
1342 sr_session_send(sdi, &packet);
1345 /* Undo previous resource allocation. */
1346 SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc)
1349 if (devc->logic_data) {
1350 g_byte_array_free(devc->logic_data, TRUE);
1351 devc->logic_data = NULL;
1354 * Keep 'pod_count'! It's required when more frames will be
1355 * received, and does not harm when kept after acquisition.
1359 SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
1361 struct sr_channel *ch;
1362 struct sr_dev_inst *sdi;
1363 struct dev_context *devc;
1364 struct scope_state *state;
1365 struct sr_datafeed_packet packet;
1367 struct sr_datafeed_analog analog;
1368 struct sr_analog_encoding encoding;
1369 struct sr_analog_meaning meaning;
1370 struct sr_analog_spec spec;
1371 struct sr_datafeed_logic logic;
1377 if (!(sdi = cb_data))
1380 if (!(devc = sdi->priv))
1383 /* Although this is correct in general, the USBTMC libusb implementation
1384 * currently does not generate an event prior to the first read. Often
1385 * it is ok to start reading just after the 50ms timeout. See bug #785.
1386 if (revents != G_IO_IN)
1390 ch = devc->current_channel->data;
1391 state = devc->model_state;
1394 * Send "frame begin" packet upon reception of data for the
1395 * first enabled channel.
1397 if (devc->current_channel == devc->enabled_channels)
1398 std_session_send_df_frame_begin(sdi);
1401 * Pass on the received data of the channel(s).
1404 case SR_CHANNEL_ANALOG:
1406 if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
1408 g_byte_array_free(data, TRUE);
1412 packet.type = SR_DF_ANALOG;
1414 analog.data = data->data;
1415 analog.num_samples = data->len / sizeof(float);
1416 /* Truncate acquisition if a smaller number of samples has been requested. */
1417 if (devc->samples_limit > 0 && analog.num_samples > devc->samples_limit)
1418 analog.num_samples = devc->samples_limit;
1419 /* TODO: Use proper 'digits' value for this device (and its modes). */
1420 sr_analog_init(&analog, &encoding, &meaning, &spec, 2);
1421 encoding.is_signed = TRUE;
1422 if (state->analog_channels[ch->index].probe_unit == 'V') {
1423 meaning.mq = SR_MQ_VOLTAGE;
1424 meaning.unit = SR_UNIT_VOLT;
1426 meaning.mq = SR_MQ_CURRENT;
1427 meaning.unit = SR_UNIT_AMPERE;
1429 meaning.channels = g_slist_append(NULL, ch);
1430 packet.payload = &analog;
1431 sr_session_send(sdi, &packet);
1432 devc->num_samples = data->len / sizeof(float);
1433 g_slist_free(meaning.channels);
1434 g_byte_array_free(data, TRUE);
1437 case SR_CHANNEL_LOGIC:
1439 if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
1441 g_byte_array_free(data, TRUE);
1446 * If only data from the first pod is involved in the
1447 * acquisition, then the raw input bytes can get passed
1448 * forward for performance reasons. When the second pod
1449 * is involved (either alone, or in combination with the
1450 * first pod), then the received bytes need to be put
1451 * into memory in such a layout that all channel groups
1452 * get combined, and a unitsize larger than a single byte
1453 * applies. The "queue" logic transparently copes with
1454 * any such configuration. This works around the lack
1455 * of support for "meaning" to logic data, which is used
1456 * above for analog data.
1458 if (devc->pod_count == 1) {
1459 packet.type = SR_DF_LOGIC;
1460 logic.data = data->data;
1461 logic.length = data->len;
1462 /* Truncate acquisition if a smaller number of samples has been requested. */
1463 if (devc->samples_limit > 0 && logic.length > devc->samples_limit)
1464 logic.length = devc->samples_limit;
1466 packet.payload = &logic;
1467 sr_session_send(sdi, &packet);
1469 group = ch->index / DIGITAL_CHANNELS_PER_POD;
1470 hmo_queue_logic_data(devc, group, data);
1473 devc->num_samples = data->len / devc->pod_count;
1474 g_byte_array_free(data, TRUE);
1478 sr_err("Invalid channel type.");
1483 * Advance to the next enabled channel. When data for all enabled
1484 * channels was received, then flush potentially queued logic data,
1485 * and send the "frame end" packet.
1487 if (devc->current_channel->next) {
1488 devc->current_channel = devc->current_channel->next;
1489 hmo_request_data(sdi);
1492 hmo_send_logic_packet(sdi, devc);
1495 * Release the logic data storage after each frame. This copes
1496 * with sample counts that differ in length per frame. -- Is
1497 * this a real constraint when acquiring multiple frames with
1498 * identical device settings?
1500 hmo_cleanup_logic_data(devc);
1502 std_session_send_df_frame_end(sdi);
1505 * End of frame was reached. Stop acquisition after the specified
1506 * number of frames or after the specified number of samples, or
1507 * continue reception by starting over at the first enabled channel.
1509 if (++devc->num_frames >= devc->frame_limit || devc->num_samples >= devc->samples_limit) {
1510 sr_dev_acquisition_stop(sdi);
1511 hmo_cleanup_logic_data(devc);
1513 devc->current_channel = devc->enabled_channels;
1514 hmo_request_data(sdi);