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siglent-sds: Various cosmetics and coding-style fixes.
[libsigrok.git] / src / hardware / siglent-sds / api.c
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89f5fab9 1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2018 mhooijboer <marchelh@gmail.com>
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include <config.h>
b3360671 21#include <fcntl.h>
22#include <glib.h>
23#include <math.h>
b3360671 24#include <stdlib.h>
25#include <string.h>
26#include <strings.h>
27#include <unistd.h>
b3360671 28#include <libsigrok/libsigrok.h>
29#include "libsigrok-internal.h"
89f5fab9 30#include "protocol.h"
b3360671 31#include "scpi.h"
89f5fab9 32
b3360671 33static const uint32_t scanopts[] = {
34 SR_CONF_CONN,
3e7fb88f 35 SR_CONF_SERIALCOMM,
b3360671 36};
37
38static const uint32_t devopts[] = {
39 SR_CONF_OSCILLOSCOPE,
40 SR_CONF_LOGIC_ANALYZER,
41 SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
42 SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
43 SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
44 SR_CONF_TRIGGER_LEVEL | SR_CONF_GET | SR_CONF_SET,
45 SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET,
46 SR_CONF_NUM_HDIV | SR_CONF_GET | SR_CONF_LIST,
47 SR_CONF_SAMPLERATE | SR_CONF_GET,
48 SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET,
49 SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
50 SR_CONF_AVERAGING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
51 SR_CONF_AVG_SAMPLES | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
52};
53
54static const uint32_t analog_devopts[] = {
55 SR_CONF_NUM_VDIV | SR_CONF_GET,
56 SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
57 SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
58 SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
59 SR_CONF_PROBE_FACTOR | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
60 SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
61};
62
63static const uint64_t timebases[][2] = {
64 /* nanoseconds */
65 { 1, 1000000000 },
66 { 2, 1000000000 },
67 { 5, 1000000000 },
68 { 10, 1000000000 },
69 { 20, 1000000000 },
70 { 50, 1000000000 },
71 { 100, 1000000000 },
72 { 200, 1000000000 },
73 { 500, 1000000000 },
74 /* microseconds */
75 { 1, 1000000 },
76 { 2, 1000000 },
77 { 5, 1000000 },
78 { 10, 1000000 },
79 { 20, 1000000 },
80 { 50, 1000000 },
81 { 100, 1000000 },
82 { 200, 1000000 },
83 { 500, 1000000 },
84 /* milliseconds */
85 { 1, 1000 },
86 { 2, 1000 },
87 { 5, 1000 },
88 { 10, 1000 },
89 { 20, 1000 },
90 { 50, 1000 },
91 { 100, 1000 },
92 { 200, 1000 },
93 { 500, 1000 },
94 /* seconds */
95 { 1, 1 },
96 { 2, 1 },
97 { 5, 1 },
98 { 10, 1 },
99 { 20, 1 },
100 { 50, 1 },
101};
102
103static const uint64_t vdivs[][2] = {
104 /* microvolts */
105 { 500, 100000 },
106 /* millivolts */
107 { 1, 1000 },
108 { 2, 1000 },
109 { 5, 1000 },
110 { 10, 1000 },
111 { 20, 1000 },
112 { 50, 1000 },
113 { 100, 1000 },
114 { 200, 1000 },
115 { 500, 1000 },
116 /* volts */
117 { 1, 1 },
118 { 2, 1 },
119 { 5, 1 },
120 { 10, 1 },
121 { 20, 1 },
122 { 50, 1 },
123 { 100, 1 },
124};
125
126#define NUM_TIMEBASE ARRAY_SIZE(timebases)
127#define NUM_VDIV ARRAY_SIZE(vdivs)
128
129static const char *trigger_sources[] = {
3e7fb88f
UH		 130 "CH1", "CH2", "Ext", "Ext /5", "AC Line",
131 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
132 "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
b3360671 133};
134
135static const char *trigger_slopes[] = {
3e7fb88f 136 "Rising", "Falling",
b3360671 137};
138
139static const char *coupling[] = {
140 "A1M AC 1 Meg",
141 "A50 AC 50 Ohm",
142 "D1M DC 1 Meg",
143 "D50 DC 50 Ohm",
144 "GND",
145};
146
147static const uint64_t probe_factor[] = {
3e7fb88f 148 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000,
b3360671 149};
150
3e7fb88f 151/* Do not change the order of entries. */
b3360671 152static const char *data_sources[] = {
153 "Display",
154 "History",
155};
156
157enum vendor {
158 SIGLENT,
159};
160
161enum series {
162 SDS1000CML,
163 SDS1000CNL,
164 SDS1000DL,
165 SDS1000X,
166 SDS1000XP,
167 SDS1000XE,
168 SDS2000X,
169};
170
3e7fb88f 171/* short name, full name, USB name */
b3360671 172static const struct siglent_sds_vendor supported_vendors[] = {
173 [SIGLENT] = {
174 "Siglent", "Siglent Technologies", "Siglent Technologies Co,. Ltd.",
175 },
176};
177
178#define VENDOR(x) &supported_vendors[x]
179/* vendor, series, protocol, max timebase, min vdiv, number of horizontal divs,
180 * number of vertical divs, live waveform samples, memory buffer samples */
181static const struct siglent_sds_series supported_series[] = {
3e7fb88f
UH		 182 [SDS1000CML] = {VENDOR(SIGLENT), "SDS1000CML", NON_SPO_MODEL,
183 { 50, 1 }, { 2, 1000 }, 18, 8, 1400363},
184 [SDS1000CNL] = {VENDOR(SIGLENT), "SDS1000CNL", NON_SPO_MODEL,
185 { 50, 1 }, { 2, 1000 }, 18, 8, 1400363},
186 [SDS1000DL] = {VENDOR(SIGLENT), "SDS1000DL", NON_SPO_MODEL,
187 { 50, 1 }, { 2, 1000 }, 18, 8, 1400363},
188 [SDS1000X] = {VENDOR(SIGLENT), "SDS1000X", SPO_MODEL,
189 { 50, 1 }, { 500, 100000 }, 14, 8, 14000363},
190 [SDS1000XP] = {VENDOR(SIGLENT), "SDS1000X+", SPO_MODEL,
191 { 50, 1 }, { 500, 100000 }, 14, 8, 14000363},
192 [SDS1000XE] = {VENDOR(SIGLENT), "SDS1000XE", SPO_MODEL,
193 { 50, 1 }, { 500, 100000 }, 14, 8, 14000363},
194 [SDS2000X] = {VENDOR(SIGLENT), "SDS2000X", SPO_MODEL,
195 { 50, 1 }, { 500, 100000 }, 14, 8, 14000363},
b3360671 196};
197
198#define SERIES(x) &supported_series[x]
199/* series, model, min timebase, analog channels, digital */
200static const struct siglent_sds_model supported_models[] = {
3e7fb88f
UH		 201 { SERIES(SDS1000CML), "SDS1152CML", { 20, 1000000000 }, 2, false, 0 },
202 { SERIES(SDS1000CML), "SDS1102CML", { 10, 1000000000 }, 2, false, 0 },
203 { SERIES(SDS1000CML), "SDS1072CML", { 5, 1000000000 }, 2, false, 0 },
204 { SERIES(SDS1000CNL), "SDS1202CNL", { 20, 1000000000 }, 2, false, 0 },
205 { SERIES(SDS1000CNL), "SDS1102CNL", { 10, 1000000000 }, 2, false, 0 },
206 { SERIES(SDS1000CNL), "SDS1072CNL", { 5, 1000000000 }, 2, false, 0 },
207 { SERIES(SDS1000DL), "SDS1202DL", { 20, 1000000000 }, 2, false, 0 },
208 { SERIES(SDS1000DL), "SDS1102DL", { 10, 1000000000 }, 2, false, 0 },
209 { SERIES(SDS1000DL), "SDS1022DL", { 5, 1000000000 }, 2, false, 0 },
210 { SERIES(SDS1000DL), "SDS1052DL", { 5, 1000000000 }, 2, false, 0 },
211 { SERIES(SDS1000X), "SDS1102X", { 2, 1000000000 }, 2, false, 0 },
212 { SERIES(SDS1000XP), "SDS1102X+", { 2, 1000000000 }, 2, false, 0 },
213 { SERIES(SDS1000X), "SDS1202X", { 2, 1000000000 }, 2, false, 0 },
214 { SERIES(SDS1000XP), "SDS1202X+", { 2, 1000000000 }, 2, false, 0 },
215 { SERIES(SDS1000XE), "SDS1202X-E", { 1, 1000000000 }, 2, false, 0 },
216 { SERIES(SDS1000XE), "SDS1104X-E", { 1, 1000000000 }, 4, true, 16 },
217 { SERIES(SDS1000XE), "SDS1204X-E", { 1, 1000000000 }, 4, true, 16 },
218 { SERIES(SDS2000X), "SDS2072X", { 2, 1000000000 }, 2, false, 0 },
219 { SERIES(SDS2000X), "SDS2074X", { 2, 1000000000 }, 4, false, 0 },
220 { SERIES(SDS2000X), "SDS2102X", { 2, 1000000000 }, 2, false, 0 },
221 { SERIES(SDS2000X), "SDS2104X", { 2, 1000000000 }, 4, false, 0 },
222 { SERIES(SDS2000X), "SDS2202X", { 2, 1000000000 }, 2, false, 0 },
223 { SERIES(SDS2000X), "SDS2204X", { 2, 1000000000 }, 4, false, 0 },
224 { SERIES(SDS2000X), "SDS2302X", { 2, 1000000000 }, 2, false, 0 },
225 { SERIES(SDS2000X), "SDS2304X", { 2, 1000000000 }, 4, false, 0 },
b3360671 226};
227
228SR_PRIV struct sr_dev_driver siglent_sds_driver_info;
229
230static void clear_helper(void *priv)
231{
232 struct dev_context *devc;
233
234 devc = priv;
235 if (!devc)
236 return;
237 g_free(devc->analog_groups);
238 g_free(devc->enabled_channels);
239}
240
241static int dev_clear(const struct sr_dev_driver *di)
242{
b3360671 243 return std_dev_clear_with_callback(di, clear_helper);
244}
245
246static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
89f5fab9 247{
b3360671 248 struct dev_context *devc;
249 struct sr_dev_inst *sdi;
250 struct sr_scpi_hw_info *hw_info;
251 struct sr_channel *ch;
252 unsigned int i;
253 const struct siglent_sds_model *model;
254 gchar *channel_name;
255
3e7fb88f 256 sr_dbg("Setting Communication Headers to off.");
b3360671 257 if (sr_scpi_send(scpi, "CHDR OFF") != SR_OK)
258 return NULL;
89f5fab9 259
b3360671 260 if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
261 sr_info("Couldn't get IDN response, retrying.");
262 sr_scpi_close(scpi);
263 sr_scpi_open(scpi);
264 if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
265 sr_info("Couldn't get IDN response.");
266 return NULL;
267 }
268 }
269
270 model = NULL;
271 for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
272 if (!strcmp(hw_info->model, supported_models[i].name)) {
273 model = &supported_models[i];
274 break;
275 }
276 }
89f5fab9 277
b3360671 278 if (!model) {
279 sr_scpi_hw_info_free(hw_info);
280 return NULL;
281 }
282
283 sdi = g_malloc0(sizeof(struct sr_dev_inst));
b3360671 284 sdi->vendor = g_strdup(model->series->vendor->name);
b3360671 285 sdi->model = g_strdup(model->name);
b3360671 286 sdi->version = g_strdup(hw_info->firmware_version);
287 sdi->conn = scpi;
288 sdi->driver = &siglent_sds_driver_info;
b3360671 289 sdi->inst_type = SR_INST_SCPI;
290 sdi->serial_num = g_strdup(hw_info->serial_number);
291 devc = g_malloc0(sizeof(struct dev_context));
292 devc->limit_frames = 1;
293 devc->model = model;
b3360671 294
295 sr_scpi_hw_info_free(hw_info);
296
297 devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group *) *
298 model->analog_channels);
299
300 for (i = 0; i < model->analog_channels; i++) {
301 channel_name = g_strdup_printf("CH%d", i + 1);
302 ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_name);
303
304 devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
305
306 devc->analog_groups[i]->name = channel_name;
307 devc->analog_groups[i]->channels = g_slist_append(NULL, ch);
308 sdi->channel_groups = g_slist_append(sdi->channel_groups,
309 devc->analog_groups[i]);
310 }
311
312 if (devc->model->has_digital) {
313 devc->digital_group = g_malloc0(sizeof(struct sr_channel_group));
314
315 for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) {
316 channel_name = g_strdup_printf("D%d", i);
317 ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name);
318 g_free(channel_name);
319 devc->digital_group->channels = g_slist_append(
320 devc->digital_group->channels, ch);
321 }
322 devc->digital_group->name = g_strdup("LA");
323 sdi->channel_groups = g_slist_append(sdi->channel_groups,
324 devc->digital_group);
325 }
326
327 for (i = 0; i < NUM_TIMEBASE; i++) {
328 if (!memcmp(&devc->model->min_timebase, &timebases[i], sizeof(uint64_t[2])))
329 devc->timebases = &timebases[i];
330
331 if (!memcmp(&devc->model->series->max_timebase, &timebases[i], sizeof(uint64_t[2])))
332 devc->num_timebases = &timebases[i] - devc->timebases + 1;
333 }
334
335 for (i = 0; i < NUM_VDIV; i++) {
336 devc->vdivs = &vdivs[i];
337 if (!memcmp(&devc->model->series->min_vdiv,
338 &vdivs[i], sizeof(uint64_t[2]))) {
339 devc->vdivs = &vdivs[i];
340 devc->num_vdivs = NUM_VDIV - i;
341 break;
342 }
343 }
344
345 devc->buffer = g_malloc(devc->model->series->buffer_samples);
3e7fb88f 346 sr_dbg("Setting device context buffer size: %i.", devc->model->series->buffer_samples);
b3360671 347 devc->data = g_malloc(devc->model->series->buffer_samples * sizeof(float));
348
349 devc->data_source = DATA_SOURCE_SCREEN;
350
351 sdi->priv = devc;
352
353 return sdi;
354}
355
356static GSList *scan(struct sr_dev_driver *di, GSList *options)
357{
3e7fb88f 358 /* TODO: Implement RPC call for LXI device discovery. */
b3360671 359 return sr_scpi_scan(di->context, options, probe_device);
89f5fab9 360}
361
362static int dev_open(struct sr_dev_inst *sdi)
363{
b3360671 364 int ret;
365 struct sr_scpi_dev_inst *scpi = sdi->conn;
366
367 if ((ret = sr_scpi_open(scpi)) < 0) {
368 sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
369 return SR_ERR;
370 }
89f5fab9 371
b3360671 372 if ((ret = siglent_sds_get_dev_cfg(sdi)) < 0) {
373 sr_err("Failed to get device config: %s.", sr_strerror(ret));
374 return SR_ERR;
375 }
376
377 sdi->status = SR_ST_ACTIVE;
89f5fab9 378
379 return SR_OK;
380}
381
382static int dev_close(struct sr_dev_inst *sdi)
383{
b3360671 384 return sr_scpi_close(sdi->conn);
89f5fab9 385}
386
387static int config_get(uint32_t key, GVariant **data,
388 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
389{
b3360671 390 struct dev_context *devc;
391 struct sr_channel *ch;
392 const char *tmp_str;
393 int analog_channel = -1;
394 float smallest_diff = INFINITY;
395 int idx = -1;
396 unsigned i;
89f5fab9 397
b3360671 398 if (!sdi)
399 return SR_ERR_ARG;
400
401 devc = sdi->priv;
402
403 /* If a channel group is specified, it must be a valid one. */
404 if (cg && !g_slist_find(sdi->channel_groups, cg)) {
405 sr_err("Invalid channel group specified.");
406 return SR_ERR;
407 }
408
409 if (cg) {
410 ch = g_slist_nth_data(cg->channels, 0);
411 if (!ch)
412 return SR_ERR;
413 if (ch->type == SR_CHANNEL_ANALOG) {
414 if (ch->name[2] < '1' || ch->name[2] > '4')
415 return SR_ERR;
416 analog_channel = ch->name[2] - '1';
417 }
418 }
89f5fab9 419
89f5fab9 420 switch (key) {
b3360671 421 case SR_CONF_NUM_HDIV:
422 *data = g_variant_new_int32(devc->model->series->num_horizontal_divs);
423 break;
424 case SR_CONF_NUM_VDIV:
425 *data = g_variant_new_int32(devc->num_vdivs);
426 break;
427 case SR_CONF_LIMIT_FRAMES:
428 *data = g_variant_new_uint64(devc->limit_frames);
429 break;
430 case SR_CONF_DATA_SOURCE:
431 if (devc->data_source == DATA_SOURCE_SCREEN)
432 *data = g_variant_new_string("Screen");
433 else if (devc->data_source == DATA_SOURCE_HISTORY)
434 *data = g_variant_new_string("History");
435 break;
436 case SR_CONF_SAMPLERATE:
437 siglent_sds_get_dev_cfg_horizontal(sdi);
438 *data = g_variant_new_uint64(devc->sampleRate);
b3360671 439 break;
440 case SR_CONF_TRIGGER_SOURCE:
441 if (!strcmp(devc->trigger_source, "ACL"))
442 tmp_str = "AC Line";
443 else if (!strcmp(devc->trigger_source, "CHAN1"))
444 tmp_str = "CH1";
445 else if (!strcmp(devc->trigger_source, "CHAN2"))
446 tmp_str = "CH2";
447 else
448 tmp_str = devc->trigger_source;
449 *data = g_variant_new_string(tmp_str);
450 break;
451 case SR_CONF_TRIGGER_SLOPE:
452 if (!strncmp(devc->trigger_slope, "POS", 3)) {
453 tmp_str = "r";
454 } else if (!strncmp(devc->trigger_slope, "NEG", 3)) {
455 tmp_str = "f";
456 } else {
457 sr_dbg("Unknown trigger slope: '%s'.", devc->trigger_slope);
458 return SR_ERR_NA;
459 }
460 *data = g_variant_new_string(tmp_str);
461 break;
462 case SR_CONF_TRIGGER_LEVEL:
463 *data = g_variant_new_double(devc->trigger_level);
464 break;
465 case SR_CONF_HORIZ_TRIGGERPOS:
466 *data = g_variant_new_double(devc->horiz_triggerpos);
467 break;
468 case SR_CONF_TIMEBASE:
469 for (i = 0; i < devc->num_timebases; i++) {
470 float tb, diff;
471
472 tb = (float)devc->timebases[i][0] / devc->timebases[i][1];
473 diff = fabs(devc->timebase - tb);
474 if (diff < smallest_diff) {
475 smallest_diff = diff;
476 idx = i;
477 }
478 }
479 if (idx < 0) {
480 sr_dbg("Negative timebase index: %d.", idx);
481 return SR_ERR_NA;
482 }
483 *data = g_variant_new("(tt)", devc->timebases[idx][0],
484 devc->timebases[idx][1]);
485 break;
486 case SR_CONF_VDIV:
487 if (analog_channel < 0) {
488 sr_dbg("Negative analog channel: %d.", analog_channel);
489 return SR_ERR_NA;
490 }
491 for (i = 0; i < ARRAY_SIZE(vdivs); i++) {
492 float vdiv, diff;
493
494 vdiv = (float)vdivs[i][0] / vdivs[i][1];
495 diff = fabsf(devc->vdiv[analog_channel] - vdiv);
496 if (diff < smallest_diff) {
497 smallest_diff = diff;
498 idx = i;
499 }
500 }
501 if (idx < 0) {
502 sr_dbg("Negative vdiv index: %d.", idx);
503 return SR_ERR_NA;
504 }
505 *data = g_variant_new("(tt)", vdivs[idx][0], vdivs[idx][1]);
506 break;
507 case SR_CONF_COUPLING:
508 if (analog_channel < 0) {
509 sr_dbg("Negative analog channel: %d.", analog_channel);
510 return SR_ERR_NA;
511 }
512 *data = g_variant_new_string(devc->coupling[analog_channel]);
513 break;
514 case SR_CONF_PROBE_FACTOR:
515 if (analog_channel < 0) {
516 sr_dbg("Negative analog channel: %d.", analog_channel);
517 return SR_ERR_NA;
518 }
519 *data = g_variant_new_uint64(devc->attenuation[analog_channel]);
520 break;
89f5fab9 521 default:
522 return SR_ERR_NA;
523 }
524
b3360671 525 return SR_OK;
89f5fab9 526}
527
528static int config_set(uint32_t key, GVariant *data,
529 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
530{
b3360671 531 struct dev_context *devc;
532 uint64_t p, q;
533 double t_dbl;
534 unsigned int i, j;
89f5fab9 535 int ret;
b3360671 536 const char *tmp_str;
537 char buffer[16];
89f5fab9 538
b3360671 539 devc = sdi->priv;
540
541 if (sdi->status != SR_ST_ACTIVE)
542 return SR_ERR_DEV_CLOSED;
543
544 /* If a channel group is specified, it must be a valid one. */
545 if (cg && !g_slist_find(sdi->channel_groups, cg)) {
546 sr_err("Invalid channel group specified.");
547 return SR_ERR;
548 }
89f5fab9 549
550 ret = SR_OK;
551 switch (key) {
b3360671 552 case SR_CONF_LIMIT_FRAMES:
553 devc->limit_frames = g_variant_get_uint64(data);
554 break;
555 case SR_CONF_TRIGGER_SLOPE:
556 tmp_str = g_variant_get_string(data, NULL);
557 g_free(devc->trigger_slope);
3e7fb88f
UH		 558 ret = siglent_sds_config_set(sdi, "%s:TRSL %s",
559 devc->trigger_source, devc->trigger_slope);
b3360671 560 break;
561 case SR_CONF_HORIZ_TRIGGERPOS:
562 t_dbl = g_variant_get_double(data);
563 if (t_dbl < 0.0 || t_dbl > 1.0) {
564 sr_err("Invalid horiz. trigger position: %g.", t_dbl);
565 return SR_ERR;
566 }
567 devc->horiz_triggerpos = t_dbl;
568 /* We have the trigger offset as a percentage of the frame, but
569 * need to express this in seconds. */
570 t_dbl = -(devc->horiz_triggerpos - 0.5) * devc->timebase * devc->num_timebases;
571 g_ascii_formatd(buffer, sizeof(buffer), "%.6f", t_dbl);
572 ret = siglent_sds_config_set(sdi, ":TIM:OFFS %s", buffer);
573 break;
574 case SR_CONF_TRIGGER_LEVEL:
575 t_dbl = g_variant_get_double(data);
576 g_ascii_formatd(buffer, sizeof(buffer), "%.3f", t_dbl);
577 ret = siglent_sds_config_set(sdi, ":TRIG:EDGE:LEV %s", buffer);
578 if (ret == SR_OK)
579 devc->trigger_level = t_dbl;
580 break;
581 case SR_CONF_TIMEBASE:
582 sr_dbg("Setting device Timebase");
583 g_variant_get(data, "(tt)", &p, &q);
584 for (i = 0; i < devc->num_timebases; i++) {
585 char *cmd;
586 if (devc->timebases[i][0] == p && devc->timebases[i][1] == q) {
587 cmd = "";
588 devc->timebase = (float) p / q;
589 switch (q) {
590 case 1:
591 cmd = g_strdup_printf("%luS", p);
592 break;
593 case 1000:
594 cmd = g_strdup_printf("%luMS", p);
595 break;
596 case 1000000:
597 cmd = g_strdup_printf("%luUS", p);
598 break;
599 case 100000000:
600 cmd = g_strdup_printf("%luNS", p);
601 break;
602 }
3e7fb88f 603 sr_dbg("Setting device timebase: TDIV %s.", cmd);
b3360671 604 ret = siglent_sds_config_set(sdi, "TDIV %s", cmd);
605 break;
606 }
607 }
608 if (i == devc->num_timebases) {
609 sr_err("Invalid timebase index: %d.", i);
610 ret = SR_ERR_ARG;
611 }
612 break;
613 case SR_CONF_TRIGGER_SOURCE:
614 tmp_str = g_variant_get_string(data, NULL);
615 for (i = 0; i < ARRAY_SIZE(trigger_sources); i++) {
616 if (!strcmp(trigger_sources[i], tmp_str)) {
617 g_free(devc->trigger_source);
618 devc->trigger_source = g_strdup(trigger_sources[i]);
619 if (!strcmp(devc->trigger_source, "AC Line"))
620 tmp_str = "LINE";
621 else if (!strcmp(devc->trigger_source, "CH1"))
622 tmp_str = "C1";
623 else if (!strcmp(devc->trigger_source, "CH2"))
624 tmp_str = "C2";
625 else if (!strcmp(devc->trigger_source, "CH3"))
626 tmp_str = "C3";
627 else if (!strcmp(devc->trigger_source, "CH4"))
628 tmp_str = "C4";
629 else if (!strcmp(devc->trigger_source, "Ext"))
630 tmp_str = "EX";
631 else if (!strcmp(devc->trigger_source, "Ext /5"))
632 tmp_str = "EX5";
633 else
634 tmp_str = (char *) devc->trigger_source;
635 ret = siglent_sds_config_set(sdi, "TRSE EDGE,SR,%s,OFF", tmp_str);
636 break;
637 }
638 }
639 if (i == ARRAY_SIZE(trigger_sources)) {
640 sr_err("Invalid trigger source index: %d.", i);
641 ret = SR_ERR_ARG;
642 }
643 break;
644 case SR_CONF_VDIV:
3e7fb88f 645 if (!cg)
b3360671 646 return SR_ERR_CHANNEL_GROUP;
b3360671 647 g_variant_get(data, "(tt)", &p, &q);
648 for (i = 0; i < devc->model->analog_channels; i++) {
649 char *cmd;
650 if (cg == devc->analog_groups[i]) {
651 for (j = 0; j < ARRAY_SIZE(vdivs); j++) {
652 if (vdivs[j][0] != p || vdivs[j][1] != q)
653 continue;
654 cmd = "";
655 switch (q) {
656 case 1:
657 cmd = g_strdup_printf("%luV", p);
658 break;
659 case 1000:
660 cmd = g_strdup_printf("%luMV", p);
661 break;
662 case 100000:
663 cmd = g_strdup_printf("%luUV", p);
664 break;
665 }
3e7fb88f 666 return siglent_sds_config_set(sdi, "C%d:VDIV %s", i + 1, cmd);
b3360671 667 }
668 sr_err("Invalid vdiv index: %d.", j);
669 return SR_ERR_ARG;
670 }
671 }
672 sr_dbg("Didn't set vdiv, unknown channel(group).");
673 return SR_ERR_NA;
674 case SR_CONF_COUPLING:
3e7fb88f 675 if (!cg)
b3360671 676 return SR_ERR_CHANNEL_GROUP;
b3360671 677 tmp_str = g_variant_get_string(data, NULL);
678 for (i = 0; i < devc->model->analog_channels; i++) {
679 char cmd[4];
680 if (cg == devc->analog_groups[i]) {
681 for (j = 0; j < ARRAY_SIZE(coupling); j++) {
682 if (!strcmp(tmp_str, coupling[j])) {
683 g_free(devc->coupling[i]);
684 devc->coupling[i] = g_strdup(coupling[j]);
685 strncpy(cmd, devc->coupling[i], 3);
686 cmd[3] = 0;
3e7fb88f 687 return siglent_sds_config_set(sdi, "C%d:CPL %s", i + 1, cmd);
b3360671 688 }
689 }
690 sr_err("Invalid coupling index: %d.", j);
691 return SR_ERR_ARG;
692 }
693 }
694 sr_dbg("Didn't set coupling, unknown channel(group).");
695 return SR_ERR_NA;
696 case SR_CONF_PROBE_FACTOR:
3e7fb88f 697 if (!cg)
b3360671 698 return SR_ERR_CHANNEL_GROUP;
b3360671 699 p = g_variant_get_uint64(data);
700 for (i = 0; i < devc->model->analog_channels; i++) {
701 if (cg == devc->analog_groups[i]) {
702 for (j = 0; j < ARRAY_SIZE(probe_factor); j++) {
703 if (p == probe_factor[j]) {
704 devc->attenuation[i] = p;
3e7fb88f 705 ret = siglent_sds_config_set(sdi, "C%d:ATTN %" PRIu64, i + 1, p);
b3360671 706 if (ret == SR_OK)
707 siglent_sds_get_dev_cfg_vertical(sdi);
708 return ret;
709 }
710 }
711 sr_err("Invalid probe factor: %"PRIu64".", p);
712 return SR_ERR_ARG;
713 }
714 }
715 sr_dbg("Didn't set probe factor, unknown channel(group).");
716 return SR_ERR_NA;
717 case SR_CONF_DATA_SOURCE:
718 tmp_str = g_variant_get_string(data, NULL);
719 if (!strcmp(tmp_str, "Display"))
720 devc->data_source = DATA_SOURCE_SCREEN;
721 else if (devc->model->series->protocol >= SPO_MODEL
722 && !strcmp(tmp_str, "History"))
723 devc->data_source = DATA_SOURCE_HISTORY;
724 else {
725 sr_err("Unknown data source: '%s'.", tmp_str);
726 return SR_ERR;
727 }
728 break;
729 case SR_CONF_SAMPLERATE:
730 siglent_sds_get_dev_cfg_horizontal(sdi);
731 data = g_variant_new_uint64(devc->sampleRate);
732 break;
89f5fab9 733 default:
b3360671 734 return SR_ERR_NA;
89f5fab9 735 }
736
737 return ret;
738}
739
740static int config_list(uint32_t key, GVariant **data,
741 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
742{
b3360671 743 GVariant *tuple, *rational[2];
744 GVariantBuilder gvb;
745 unsigned int i;
746 struct dev_context *devc = NULL;
747
748 if (key == SR_CONF_SCAN_OPTIONS) {
749 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
750 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
751 return SR_OK;
752 } else if (key == SR_CONF_DEVICE_OPTIONS && !cg) {
753 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
754 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
755 return SR_OK;
756 }
89f5fab9 757
b3360671 758 /* Every other option requires a valid device instance. */
759 if (!sdi)
760 return SR_ERR_ARG;
761 devc = sdi->priv;
762
763 /* If a channel group is specified, it must be a valid one. */
764 if (cg && !g_slist_find(sdi->channel_groups, cg)) {
765 sr_err("Invalid channel group specified.");
766 return SR_ERR;
767 }
89f5fab9 768
89f5fab9 769 switch (key) {
b3360671 770 case SR_CONF_DEVICE_OPTIONS:
3e7fb88f 771 if (!cg)
b3360671 772 return SR_ERR_CHANNEL_GROUP;
b3360671 773 if (cg == devc->digital_group) {
774 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
775 NULL, 0, sizeof(uint32_t));
776 return SR_OK;
777 } else {
778 for (i = 0; i < devc->model->analog_channels; i++) {
779 if (cg == devc->analog_groups[i]) {
780 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
781 analog_devopts, ARRAY_SIZE(analog_devopts), sizeof(uint32_t));
782 return SR_OK;
783 }
784 }
785 return SR_ERR_NA;
786 }
787 break;
788 case SR_CONF_COUPLING:
3e7fb88f 789 if (!cg)
b3360671 790 return SR_ERR_CHANNEL_GROUP;
b3360671 791 *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling));
792 break;
793 case SR_CONF_PROBE_FACTOR:
3e7fb88f 794 if (!cg)
b3360671 795 return SR_ERR_CHANNEL_GROUP;
b3360671 796 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64,
797 probe_factor, ARRAY_SIZE(probe_factor), sizeof(uint64_t));
798 break;
799 case SR_CONF_VDIV:
800 if (!devc)
801 /* Can't know this until we have the exact model. */
802 return SR_ERR_ARG;
3e7fb88f 803 if (!cg)
b3360671 804 return SR_ERR_CHANNEL_GROUP;
b3360671 805 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
806 for (i = 0; i < devc->num_vdivs; i++) {
807 rational[0] = g_variant_new_uint64(devc->vdivs[i][0]);
808 rational[1] = g_variant_new_uint64(devc->vdivs[i][1]);
809 tuple = g_variant_new_tuple(rational, 2);
810 g_variant_builder_add_value(&gvb, tuple);
811 }
812 *data = g_variant_builder_end(&gvb);
813 break;
814 case SR_CONF_TIMEBASE:
815 if (!devc)
816 /* Can't know this until we have the exact model. */
817 return SR_ERR_ARG;
818 if (devc->num_timebases <= 0)
819 return SR_ERR_NA;
820 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
821 for (i = 0; i < devc->num_timebases; i++) {
822 rational[0] = g_variant_new_uint64(devc->timebases[i][0]);
823 rational[1] = g_variant_new_uint64(devc->timebases[i][1]);
824 tuple = g_variant_new_tuple(rational, 2);
825 g_variant_builder_add_value(&gvb, tuple);
826 }
827 *data = g_variant_builder_end(&gvb);
828 break;
829 case SR_CONF_TRIGGER_SOURCE:
830 if (!devc)
831 /* Can't know this until we have the exact model. */
832 return SR_ERR_ARG;
833 *data = g_variant_new_strv(trigger_sources,
834 devc->model->has_digital ? ARRAY_SIZE(trigger_sources) : 5);
835 break;
836 case SR_CONF_TRIGGER_SLOPE:
837 *data = g_variant_new_strv(trigger_slopes, ARRAY_SIZE(trigger_slopes));
838 break;
839 case SR_CONF_DATA_SOURCE:
840 if (!devc)
841 /* Can't know this until we have the exact model. */
842 return SR_ERR_ARG;
843 switch (devc->model->series->protocol) {
3e7fb88f 844 /* TODO: Check what must be done here for the data source buffer sizes. */
b3360671 845 case NON_SPO_MODEL:
846 *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources) - 1);
847 break;
848 case SPO_MODEL:
849 *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
850 break;
851 }
852 break;
853 case SR_CONF_NUM_HDIV:
854 *data = g_variant_new_int32(devc->model->series->num_horizontal_divs);
855 break;
856 case SR_CONF_AVERAGING:
3e7fb88f 857 /* TODO: Implement averaging. */
b3360671 858 break;
89f5fab9 859 default:
860 return SR_ERR_NA;
861 }
862
b3360671 863 return SR_OK;
89f5fab9 864}
865
866static int dev_acquisition_start(const struct sr_dev_inst *sdi)
867{
b3360671 868 struct sr_scpi_dev_inst *scpi;
869 struct dev_context *devc;
870 struct sr_channel *ch;
871 struct sr_datafeed_packet packet;
872 gboolean some_digital;
873 GSList *l;
874 GSList *d;
89f5fab9 875
b3360671 876 if (sdi->status != SR_ST_ACTIVE)
877 return SR_ERR_DEV_CLOSED;
878
879 scpi = sdi->conn;
880 devc = sdi->priv;
881
882 devc->num_frames = 0;
883 some_digital = FALSE;
884
3e7fb88f
UH		 885 /*
886 * Check if there are any logic channels enabled, if so then enable
887 * the MSO, otherwise skip the digital channel setup. Enable and
888 * disable channels on the device is very slow and it is faster when
889 * checked in a small loop without the actual actions.
890 */
b3360671 891 for (d = sdi->channels; d; d = d->next) {
892 ch = d->data;
3e7fb88f 893 if (ch->type == SR_CHANNEL_LOGIC && ch->enabled)
b3360671 894 some_digital = TRUE;
b3360671 895 }
896
897 for (l = sdi->channels; l; l = l->next) {
898 ch = l->data;
b3360671 899 if (ch->type == SR_CHANNEL_ANALOG) {
900 if (ch->enabled)
901 devc->enabled_channels = g_slist_append(
902 devc->enabled_channels, ch);
903 if (ch->enabled != devc->analog_channels[ch->index]) {
904 /* Enabled channel is currently disabled, or vice versa. */
905 if (siglent_sds_config_set(sdi, "C%d:TRA %s", ch->index + 1,
906 ch->enabled ? "ON" : "OFF") != SR_OK)
907 return SR_ERR;
908 devc->analog_channels[ch->index] = ch->enabled;
909 }
910 } else if (ch->type == SR_CHANNEL_LOGIC && some_digital) {
911 if (ch->enabled) {
912 /* Turn on LA module if currently off and digital channels are enabled. */
913 if (!devc->la_enabled) {
914 if (siglent_sds_config_set(sdi, "DGST ON") != SR_OK)
915 return SR_ERR;
916 g_usleep(630000);
917 devc->la_enabled = TRUE;
918 }
919 devc->enabled_channels = g_slist_append(
920 devc->enabled_channels, ch);
921 }
922 /* Enabled channel is currently disabled, or vice versa. */
923 if (siglent_sds_config_set(sdi, "D%d:DGCH %s", ch->index,
924 ch->enabled ? "ON" : "OFF") != SR_OK)
925 return SR_ERR;
3e7fb88f 926 /* Slowing the command sequence down to let the device handle it. */
b3360671 927 g_usleep(630000);
928 devc->digital_channels[ch->index] = ch->enabled;
929 }
930 }
931 if (!devc->enabled_channels)
932 return SR_ERR;
933 /* Turn off LA module if on and no digital channels selected. */
934 if (devc->la_enabled && !some_digital)
935 if (siglent_sds_config_set(sdi, "DGST OFF") != SR_OK) {
936 devc->la_enabled = FALSE;
937 g_usleep(500000);
938 return SR_ERR;
939 }
940
941 // devc->analog_frame_size = devc->model->series->buffer_samples;
942 // devc->digital_frame_size = devc->model->series->buffer_samples;
943
944 switch (devc->model->series->protocol) {
945 case SPO_MODEL:
946 if (siglent_sds_config_set(sdi, "WFSU SP,0,TYPE,1") != SR_OK)
947 return SR_ERR;
948 if (siglent_sds_config_set(sdi, "ACQW SAMPLING") != SR_OK)
949 return SR_ERR;
950 break;
951 case NON_SPO_MODEL:
3e7fb88f 952 /* TODO: Implement CML/CNL/DL models. */
b3360671 953 if (siglent_sds_config_set(sdi, "WFSU SP,0,TYPE,1") != SR_OK)
954 return SR_ERR;
955 if (siglent_sds_config_set(sdi, "ACQW SAMPLING") != SR_OK)
956 return SR_ERR;
957 break;
958 default:
959 break;
960 }
961
962 sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
963 siglent_sds_receive, (void *) sdi);
964
965 std_session_send_df_header(sdi);
966
967 devc->channel_entry = devc->enabled_channels;
968
969 if (siglent_sds_capture_start(sdi) != SR_OK)
970 return SR_ERR;
971
972 /* Start of first frame. */
973 packet.type = SR_DF_FRAME_BEGIN;
974 sr_session_send(sdi, &packet);
89f5fab9 975
976 return SR_OK;
977}
978
979static int dev_acquisition_stop(struct sr_dev_inst *sdi)
980{
b3360671 981 struct dev_context *devc;
982 struct sr_scpi_dev_inst *scpi;
983
984 devc = sdi->priv;
985
986 if (sdi->status != SR_ST_ACTIVE) {
987 sr_err("Device inactive, can't stop acquisition.");
988 return SR_ERR;
989 }
990
991 std_session_send_df_end(sdi);
89f5fab9 992
b3360671 993 g_slist_free(devc->enabled_channels);
994 devc->enabled_channels = NULL;
995 scpi = sdi->conn;
996 sr_scpi_source_remove(sdi->session, scpi);
89f5fab9 997
998 return SR_OK;
999}
1000
1001SR_PRIV struct sr_dev_driver siglent_sds_driver_info = {
1002 .name = "siglent-sds",
3e7fb88f 1003 .longname = "Siglent SDS1000/SDS2000",
89f5fab9 1004 .api_version = 1,
1005 .init = std_init,
1006 .cleanup = std_cleanup,
1007 .scan = scan,
1008 .dev_list = std_dev_list,
b3360671 1009 .dev_clear = dev_clear,
89f5fab9 1010 .config_get = config_get,
1011 .config_set = config_set,
1012 .config_list = config_list,
1013 .dev_open = dev_open,
1014 .dev_close = dev_close,
1015 .dev_acquisition_start = dev_acquisition_start,
1016 .dev_acquisition_stop = dev_acquisition_stop,
1017 .context = NULL,
1018};
1019
1020SR_REGISTER_DEV_DRIVER(siglent_sds_driver_info);
Hardware access and backend lib