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scpi-pps: Fix "aquisition" typo everywhere.
[libsigrok.git] / src / hardware / scpi-pps / api.c
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2014 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2017,2019 Frank Stettner <frank-stettner@gmx.net>
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 <string.h>
23#include <strings.h>
24#include "scpi.h"
25#include "protocol.h"
26
27static struct sr_dev_driver scpi_pps_driver_info;
28static struct sr_dev_driver hp_ib_pps_driver_info;
29
30static const uint32_t scanopts[] = {
31 SR_CONF_CONN,
32 SR_CONF_SERIALCOMM,
33};
34
35static const uint32_t drvopts[] = {
36 SR_CONF_POWER_SUPPLY,
37};
38
39static const struct pps_channel_instance pci[] = {
40 { SR_MQ_VOLTAGE, SCPI_CMD_GET_MEAS_VOLTAGE, "V" },
41 { SR_MQ_CURRENT, SCPI_CMD_GET_MEAS_CURRENT, "I" },
42 { SR_MQ_POWER, SCPI_CMD_GET_MEAS_POWER, "P" },
43 { SR_MQ_FREQUENCY, SCPI_CMD_GET_MEAS_FREQUENCY, "F" },
44};
45
46static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi,
47 int (*get_hw_id)(struct sr_scpi_dev_inst *scpi,
48 struct sr_scpi_hw_info **scpi_response))
49{
50 struct dev_context *devc;
51 struct sr_dev_inst *sdi;
52 struct sr_scpi_hw_info *hw_info;
53 struct sr_channel_group *cg;
54 struct sr_channel *ch;
55 const struct scpi_pps *device;
56 struct pps_channel *pch;
57 struct channel_spec *channels;
58 struct channel_group_spec *channel_groups, *cgs;
59 struct pps_channel_group *pcg;
60 GRegex *model_re;
61 GMatchInfo *model_mi;
62 GSList *l;
63 uint64_t mask;
64 unsigned int num_channels, num_channel_groups, ch_num, ch_idx, i, j;
65 int ret;
66 const char *vendor;
67 char ch_name[16];
68
69 if (get_hw_id(scpi, &hw_info) != SR_OK) {
70 sr_info("Couldn't get IDN response.");
71 return NULL;
72 }
73
74 device = NULL;
75 for (i = 0; i < num_pps_profiles; i++) {
76 vendor = sr_vendor_alias(hw_info->manufacturer);
77 if (g_ascii_strcasecmp(vendor, pps_profiles[i].vendor))
78 continue;
79 model_re = g_regex_new(pps_profiles[i].model, 0, 0, NULL);
80 if (g_regex_match(model_re, hw_info->model, 0, &model_mi))
81 device = &pps_profiles[i];
82 g_match_info_unref(model_mi);
83 g_regex_unref(model_re);
84 if (device)
85 break;
86 }
87 if (!device) {
88 sr_scpi_hw_info_free(hw_info);
89 return NULL;
90 }
91
92 sdi = g_malloc0(sizeof(struct sr_dev_inst));
93 sdi->vendor = g_strdup(vendor);
94 sdi->model = g_strdup(hw_info->model);
95 sdi->version = g_strdup(hw_info->firmware_version);
96 sdi->conn = scpi;
97 sdi->driver = &scpi_pps_driver_info;
98 sdi->inst_type = SR_INST_SCPI;
99 sdi->serial_num = g_strdup(hw_info->serial_number);
100
101 devc = g_malloc0(sizeof(struct dev_context));
102 devc->device = device;
103 sr_sw_limits_init(&devc->limits);
104 sdi->priv = devc;
105
106 if (device->num_channels) {
107 /* Static channels and groups. */
108 channels = (struct channel_spec *)device->channels;
109 num_channels = device->num_channels;
110 channel_groups = (struct channel_group_spec *)device->channel_groups;
111 num_channel_groups = device->num_channel_groups;
112 } else {
113 /* Channels and groups need to be probed. */
114 ret = device->probe_channels(sdi, hw_info, &channels, &num_channels,
115 &channel_groups, &num_channel_groups);
116 if (ret != SR_OK) {
117 sr_err("Failed to probe for channels.");
118 return NULL;
119 }
120 /*
121 * Since these were dynamically allocated, we'll need to free them
122 * later.
123 */
124 devc->channels = channels;
125 devc->channel_groups = channel_groups;
126 }
127
128 ch_idx = 0;
129 for (ch_num = 0; ch_num < num_channels; ch_num++) {
130 /* Create one channel per measurable output unit. */
131 for (i = 0; i < ARRAY_SIZE(pci); i++) {
132 if (!sr_scpi_cmd_get(devc->device->commands, pci[i].command))
133 continue;
134 g_snprintf(ch_name, 16, "%s%s", pci[i].prefix,
135 channels[ch_num].name);
136 ch = sr_channel_new(sdi, ch_idx++, SR_CHANNEL_ANALOG, TRUE,
137 ch_name);
138 pch = g_malloc0(sizeof(struct pps_channel));
139 pch->hw_output_idx = ch_num;
140 pch->hwname = channels[ch_num].name;
141 pch->mq = pci[i].mq;
142 ch->priv = pch;
143 }
144 }
145
146 for (i = 0; i < num_channel_groups; i++) {
147 cgs = &channel_groups[i];
148 cg = g_malloc0(sizeof(struct sr_channel_group));
149 cg->name = g_strdup(cgs->name);
150 for (j = 0, mask = 1; j < 64; j++, mask <<= 1) {
151 if (cgs->channel_index_mask & mask) {
152 for (l = sdi->channels; l; l = l->next) {
153 ch = l->data;
154 pch = ch->priv;
155 /* Add mqflags from channel_group_spec only to voltage
156 * and current channels
157 */
158 if (pch->mq == SR_MQ_VOLTAGE || pch->mq == SR_MQ_CURRENT)
159 pch->mqflags = cgs->mqflags;
160 else
161 pch->mqflags = 0;
162 if (pch->hw_output_idx == j)
163 cg->channels = g_slist_append(cg->channels, ch);
164 }
165 }
166 }
167 pcg = g_malloc0(sizeof(struct pps_channel_group));
168 pcg->features = cgs->features;
169 cg->priv = pcg;
170 sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
171 }
172
173 sr_scpi_hw_info_free(hw_info);
174 hw_info = NULL;
175
176 /* Don't send SCPI_CMD_LOCAL for HP 66xxB devices using SCPI over GPIB */
177 if (!(devc->device->dialect == SCPI_DIALECT_HP_66XXB &&
178 scpi->transport == SCPI_TRANSPORT_LIBGPIB))
179 sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_LOCAL);
180
181 return sdi;
182}
183
184static gchar *hpib_get_revision(struct sr_scpi_dev_inst *scpi)
185{
186 int ret;
187 gboolean matches;
188 char *response;
189 GRegex *version_regex;
190
191 ret = sr_scpi_get_string(scpi, "ROM?", &response);
192 if (ret != SR_OK && !response)
193 return NULL;
194
195 /* Example version string: "B01 B01" */
196 version_regex = g_regex_new("[A-Z][0-9]{2} [A-Z][0-9]{2}", 0, 0, NULL);
197 matches = g_regex_match(version_regex, response, 0, NULL);
198 g_regex_unref(version_regex);
199
200 if (!matches) {
201 /* Not a valid version string. Ignore it. */
202 g_free(response);
203 response = NULL;
204 } else {
205 /* Replace space with dot. */
206 response[3] = '.';
207 }
208
209 return response;
210}
211
212/*
213 * This function assumes the response is in the form "HP<model_number>"
214 *
215 * HP made many GPIB (then called HP-IB) instruments before the SCPI command
216 * set was introduced into the standard. We haven't seen any non-HP instruments
217 * which respond to the "ID?" query, so assume all are HP for now.
218 */
219static int hpib_get_hw_id(struct sr_scpi_dev_inst *scpi,
220 struct sr_scpi_hw_info **scpi_response)
221{
222 int ret;
223 char *response;
224 struct sr_scpi_hw_info *hw_info;
225
226 ret = sr_scpi_get_string(scpi, "ID?", &response);
227 if ((ret != SR_OK) || !response)
228 return SR_ERR;
229
230 hw_info = g_malloc0(sizeof(struct sr_scpi_hw_info));
231
232 *scpi_response = hw_info;
233 hw_info->model = response;
234 hw_info->firmware_version = hpib_get_revision(scpi);
235 hw_info->manufacturer = g_strdup("HP");
236
237 return SR_OK;
238}
239
240static struct sr_dev_inst *probe_scpi_pps_device(struct sr_scpi_dev_inst *scpi)
241{
242 return probe_device(scpi, sr_scpi_get_hw_id);
243}
244
245static struct sr_dev_inst *probe_hpib_pps_device(struct sr_scpi_dev_inst *scpi)
246{
247 return probe_device(scpi, hpib_get_hw_id);
248}
249
250static GSList *scan_scpi_pps(struct sr_dev_driver *di, GSList *options)
251{
252 return sr_scpi_scan(di->context, options, probe_scpi_pps_device);
253}
254
255static GSList *scan_hpib_pps(struct sr_dev_driver *di, GSList *options)
256{
257 return sr_scpi_scan(di->context, options, probe_hpib_pps_device);
258}
259
260static int dev_open(struct sr_dev_inst *sdi)
261{
262 struct dev_context *devc;
263 struct sr_scpi_dev_inst *scpi;
264 GVariant *beeper;
265
266 scpi = sdi->conn;
267 if (sr_scpi_open(scpi) < 0)
268 return SR_ERR;
269
270 devc = sdi->priv;
271
272 /* Don't send SCPI_CMD_REMOTE for HP 66xxB devices using SCPI over GPIB */
273 if (!(devc->device->dialect == SCPI_DIALECT_HP_66XXB &&
274 scpi->transport == SCPI_TRANSPORT_LIBGPIB))
275 sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_REMOTE);
276
277 devc->beeper_was_set = FALSE;
278 if (sr_scpi_cmd_resp(sdi, devc->device->commands, 0, NULL,
279 &beeper, G_VARIANT_TYPE_BOOLEAN, SCPI_CMD_BEEPER) == SR_OK) {
280 if (g_variant_get_boolean(beeper)) {
281 devc->beeper_was_set = TRUE;
282 sr_scpi_cmd(sdi, devc->device->commands,
283 0, NULL, SCPI_CMD_BEEPER_DISABLE);
284 }
285 g_variant_unref(beeper);
286 }
287
288 return SR_OK;
289}
290
291static int dev_close(struct sr_dev_inst *sdi)
292{
293 struct sr_scpi_dev_inst *scpi;
294 struct dev_context *devc;
295
296 devc = sdi->priv;
297 scpi = sdi->conn;
298
299 if (!scpi)
300 return SR_ERR_BUG;
301
302 if (devc->beeper_was_set)
303 sr_scpi_cmd(sdi, devc->device->commands,
304 0, NULL, SCPI_CMD_BEEPER_ENABLE);
305
306 /* Don't send SCPI_CMD_LOCAL for HP 66xxB devices using SCPI over GPIB */
307 if (!(devc->device->dialect == SCPI_DIALECT_HP_66XXB &&
308 scpi->transport == SCPI_TRANSPORT_LIBGPIB))
309 sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_LOCAL);
310
311 return sr_scpi_close(scpi);
312}
313
314static void clear_helper(struct dev_context *devc)
315{
316 g_free(devc->channels);
317 g_free(devc->channel_groups);
318}
319
320static int dev_clear(const struct sr_dev_driver *di)
321{
322 return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
323}
324
325static int config_get(uint32_t key, GVariant **data,
326 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
327{
328 struct dev_context *devc;
329 const GVariantType *gvtype;
330 unsigned int i;
331 int channel_group_cmd;
332 char *channel_group_name;
333 int cmd, ret;
334 const char *s;
335 int reg;
336
337 if (!sdi)
338 return SR_ERR_ARG;
339
340 devc = sdi->priv;
341
342 if (cg) {
343 /*
344 * These options only apply to channel groups with a single
345 * channel -- they're per-channel settings for the device.
346 */
347
348 /*
349 * Config keys are handled below depending on whether a channel
350 * group was provided by the frontend. However some of these
351 * take a CG on one PPS but not on others. Check the device's
352 * profile for that here, and NULL out the channel group as needed.
353 */
354 for (i = 0; i < devc->device->num_devopts; i++) {
355 if (devc->device->devopts[i] == key) {
356 cg = NULL;
357 break;
358 }
359 }
360 }
361
362 gvtype = NULL;
363 cmd = -1;
364 switch (key) {
365 case SR_CONF_ENABLED:
366 gvtype = G_VARIANT_TYPE_BOOLEAN;
367 cmd = SCPI_CMD_GET_OUTPUT_ENABLED;
368 break;
369 case SR_CONF_VOLTAGE:
370 gvtype = G_VARIANT_TYPE_DOUBLE;
371 cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
372 break;
373 case SR_CONF_VOLTAGE_TARGET:
374 gvtype = G_VARIANT_TYPE_DOUBLE;
375 cmd = SCPI_CMD_GET_VOLTAGE_TARGET;
376 break;
377 case SR_CONF_OUTPUT_FREQUENCY:
378 gvtype = G_VARIANT_TYPE_DOUBLE;
379 cmd = SCPI_CMD_GET_MEAS_FREQUENCY;
380 break;
381 case SR_CONF_OUTPUT_FREQUENCY_TARGET:
382 gvtype = G_VARIANT_TYPE_DOUBLE;
383 cmd = SCPI_CMD_GET_FREQUENCY_TARGET;
384 break;
385 case SR_CONF_CURRENT:
386 gvtype = G_VARIANT_TYPE_DOUBLE;
387 cmd = SCPI_CMD_GET_MEAS_CURRENT;
388 break;
389 case SR_CONF_CURRENT_LIMIT:
390 gvtype = G_VARIANT_TYPE_DOUBLE;
391 cmd = SCPI_CMD_GET_CURRENT_LIMIT;
392 break;
393 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
394 gvtype = G_VARIANT_TYPE_BOOLEAN;
395 cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED;
396 break;
397 case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
398 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB ||
399 devc->device->dialect == SCPI_DIALECT_HP_COMP)
400 gvtype = G_VARIANT_TYPE_STRING;
401 else
402 gvtype = G_VARIANT_TYPE_BOOLEAN;
403 cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE;
404 break;
405 case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
406 gvtype = G_VARIANT_TYPE_DOUBLE;
407 cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD;
408 break;
409 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
410 gvtype = G_VARIANT_TYPE_BOOLEAN;
411 cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED;
412 break;
413 case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
414 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB ||
415 devc->device->dialect == SCPI_DIALECT_HP_COMP)
416 gvtype = G_VARIANT_TYPE_STRING;
417 else
418 gvtype = G_VARIANT_TYPE_BOOLEAN;
419 cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE;
420 break;
421 case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
422 gvtype = G_VARIANT_TYPE_DOUBLE;
423 cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD;
424 break;
425 case SR_CONF_OVER_TEMPERATURE_PROTECTION:
426 gvtype = G_VARIANT_TYPE_BOOLEAN;
427 cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION;
428 break;
429 case SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE:
430 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB ||
431 devc->device->dialect == SCPI_DIALECT_HP_COMP)
432 gvtype = G_VARIANT_TYPE_STRING;
433 else
434 gvtype = G_VARIANT_TYPE_BOOLEAN;
435 cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION_ACTIVE;
436 break;
437 case SR_CONF_REGULATION:
438 gvtype = G_VARIANT_TYPE_STRING;
439 cmd = SCPI_CMD_GET_OUTPUT_REGULATION;
440 break;
441 default:
442 return sr_sw_limits_config_get(&devc->limits, key, data);
443 }
444 if (!gvtype)
445 return SR_ERR_NA;
446
447 channel_group_cmd = 0;
448 channel_group_name = NULL;
449 if (cg) {
450 channel_group_cmd = SCPI_CMD_SELECT_CHANNEL;
451 channel_group_name = g_strdup(cg->name);
452 }
453
454 ret = sr_scpi_cmd_resp(sdi, devc->device->commands,
455 channel_group_cmd, channel_group_name, data, gvtype, cmd);
456 g_free(channel_group_name);
457
458 /*
459 * Handle special cases
460 */
461
462 if (cmd == SCPI_CMD_GET_OUTPUT_REGULATION) {
463 if (devc->device->dialect == SCPI_DIALECT_PHILIPS) {
464 /*
465 * The Philips PM2800 series returns VOLT/CURR. We always return
466 * a GVariant string in the Rigol notation (CV/CC/UR).
467 */
468 s = g_variant_get_string(*data, NULL);
469 if (!g_strcmp0(s, "VOLT")) {
470 g_variant_unref(*data);
471 *data = g_variant_new_string("CV");
472 } else if (!g_strcmp0(s, "CURR")) {
473 g_variant_unref(*data);
474 *data = g_variant_new_string("CC");
475 }
476 }
477 if (devc->device->dialect == SCPI_DIALECT_HP_COMP) {
478 /* Evaluate Status Register from a HP 66xx in COMP mode. */
479 s = g_variant_get_string(*data, NULL);
480 sr_atoi(s, &reg);
481 g_variant_unref(*data);
482 if (reg & (1 << 0))
483 *data = g_variant_new_string("CV");
484 else if (reg & (1 << 1))
485 *data = g_variant_new_string("CC");
486 else if (reg & (1 << 2))
487 *data = g_variant_new_string("UR");
488 else if (reg & (1 << 9))
489 *data = g_variant_new_string("CC-");
490 else
491 *data = g_variant_new_string("");
492 }
493 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) {
494 /* Evaluate Operational Status Register from a HP 66xxB. */
495 s = g_variant_get_string(*data, NULL);
496 sr_atoi(s, &reg);
497 g_variant_unref(*data);
498 if (reg & (1 << 8))
499 *data = g_variant_new_string("CV");
500 else if (reg & (1 << 10))
501 *data = g_variant_new_string("CC");
502 else if (reg & (1 << 11))
503 *data = g_variant_new_string("CC-");
504 else
505 *data = g_variant_new_string("UR");
506 }
507
508 s = g_variant_get_string(*data, NULL);
509 if (g_strcmp0(s, "CV") && g_strcmp0(s, "CC") && g_strcmp0(s, "CC-") &&
510 g_strcmp0(s, "UR") && g_strcmp0(s, "")) {
511
512 sr_err("Unknown response to SCPI_CMD_GET_OUTPUT_REGULATION: %s", s);
513 ret = SR_ERR_DATA;
514 }
515 }
516
517 if (cmd == SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE) {
518 if (devc->device->dialect == SCPI_DIALECT_HP_COMP) {
519 /* Evaluate Status Register from a HP 66xx in COMP mode. */
520 s = g_variant_get_string(*data, NULL);
521 sr_atoi(s, &reg);
522 g_variant_unref(*data);
523 *data = g_variant_new_boolean(reg & (1 << 3));
524 }
525 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) {
526 /* Evaluate Questionable Status Register bit 0 from a HP 66xxB. */
527 s = g_variant_get_string(*data, NULL);
528 sr_atoi(s, &reg);
529 g_variant_unref(*data);
530 *data = g_variant_new_boolean(reg & (1 << 0));
531 }
532 }
533
534 if (cmd == SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE) {
535 if (devc->device->dialect == SCPI_DIALECT_HP_COMP) {
536 /* Evaluate Status Register from a HP 66xx in COMP mode. */
537 s = g_variant_get_string(*data, NULL);
538 sr_atoi(s, &reg);
539 g_variant_unref(*data);
540 *data = g_variant_new_boolean(reg & (1 << 6));
541 }
542 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) {
543 /* Evaluate Questionable Status Register bit 1 from a HP 66xxB. */
544 s = g_variant_get_string(*data, NULL);
545 sr_atoi(s, &reg);
546 g_variant_unref(*data);
547 *data = g_variant_new_boolean(reg & (1 << 1));
548 }
549 }
550
551 if (cmd == SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION_ACTIVE) {
552 if (devc->device->dialect == SCPI_DIALECT_HP_COMP) {
553 /* Evaluate Status Register from a HP 66xx in COMP mode. */
554 s = g_variant_get_string(*data, NULL);
555 sr_atoi(s, &reg);
556 g_variant_unref(*data);
557 *data = g_variant_new_boolean(reg & (1 << 4));
558 }
559 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) {
560 /* Evaluate Questionable Status Register bit 4 from a HP 66xxB. */
561 s = g_variant_get_string(*data, NULL);
562 sr_atoi(s, &reg);
563 g_variant_unref(*data);
564 *data = g_variant_new_boolean(reg & (1 << 4));
565 }
566 }
567
568 return ret;
569}
570
571static int config_set(uint32_t key, GVariant *data,
572 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
573{
574 struct dev_context *devc;
575 double d;
576 int channel_group_cmd;
577 char *channel_group_name;
578 int ret;
579
580 if (!sdi)
581 return SR_ERR_ARG;
582
583 channel_group_cmd = 0;
584 channel_group_name = NULL;
585 if (cg) {
586 channel_group_cmd = SCPI_CMD_SELECT_CHANNEL;
587 channel_group_name = g_strdup(cg->name);
588 }
589
590 devc = sdi->priv;
591
592 switch (key) {
593 case SR_CONF_ENABLED:
594 if (g_variant_get_boolean(data))
595 ret = sr_scpi_cmd(sdi, devc->device->commands,
596 channel_group_cmd, channel_group_name,
597 SCPI_CMD_SET_OUTPUT_ENABLE);
598 else
599 ret = sr_scpi_cmd(sdi, devc->device->commands,
600 channel_group_cmd, channel_group_name,
601 SCPI_CMD_SET_OUTPUT_DISABLE);
602 break;
603 case SR_CONF_VOLTAGE_TARGET:
604 d = g_variant_get_double(data);
605 ret = sr_scpi_cmd(sdi, devc->device->commands,
606 channel_group_cmd, channel_group_name,
607 SCPI_CMD_SET_VOLTAGE_TARGET, d);
608 break;
609 case SR_CONF_OUTPUT_FREQUENCY_TARGET:
610 d = g_variant_get_double(data);
611 ret = sr_scpi_cmd(sdi, devc->device->commands,
612 channel_group_cmd, channel_group_name,
613 SCPI_CMD_SET_FREQUENCY_TARGET, d);
614 break;
615 case SR_CONF_CURRENT_LIMIT:
616 d = g_variant_get_double(data);
617 ret = sr_scpi_cmd(sdi, devc->device->commands,
618 channel_group_cmd, channel_group_name,
619 SCPI_CMD_SET_CURRENT_LIMIT, d);
620 break;
621 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
622 if (g_variant_get_boolean(data))
623 ret = sr_scpi_cmd(sdi, devc->device->commands,
624 channel_group_cmd, channel_group_name,
625 SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLE);
626 else
627 ret = sr_scpi_cmd(sdi, devc->device->commands,
628 channel_group_cmd, channel_group_name,
629 SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_DISABLE);
630 break;
631 case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
632 d = g_variant_get_double(data);
633 ret = sr_scpi_cmd(sdi, devc->device->commands,
634 channel_group_cmd, channel_group_name,
635 SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, d);
636 break;
637 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
638 if (g_variant_get_boolean(data))
639 ret = sr_scpi_cmd(sdi, devc->device->commands,
640 channel_group_cmd, channel_group_name,
641 SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLE);
642 else
643 ret = sr_scpi_cmd(sdi, devc->device->commands,
644 channel_group_cmd, channel_group_name,
645 SCPI_CMD_SET_OVER_CURRENT_PROTECTION_DISABLE);
646 break;
647 case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
648 d = g_variant_get_double(data);
649 ret = sr_scpi_cmd(sdi, devc->device->commands,
650 channel_group_cmd, channel_group_name,
651 SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, d);
652 break;
653 case SR_CONF_OVER_TEMPERATURE_PROTECTION:
654 if (g_variant_get_boolean(data))
655 ret = sr_scpi_cmd(sdi, devc->device->commands,
656 channel_group_cmd, channel_group_name,
657 SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_ENABLE);
658 else
659 ret = sr_scpi_cmd(sdi, devc->device->commands,
660 channel_group_cmd, channel_group_name,
661 SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_DISABLE);
662 break;
663 default:
664 ret = sr_sw_limits_config_set(&devc->limits, key, data);
665 }
666
667 g_free(channel_group_name);
668
669 return ret;
670}
671
672static int config_list(uint32_t key, GVariant **data,
673 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
674{
675 struct dev_context *devc;
676 struct sr_channel *ch;
677 const struct channel_spec *ch_spec;
678 int i;
679 const char *s[16];
680
681 devc = (sdi) ? sdi->priv : NULL;
682
683 if (!cg) {
684 switch (key) {
685 case SR_CONF_SCAN_OPTIONS:
686 case SR_CONF_DEVICE_OPTIONS:
687 return std_opts_config_list(key, data, sdi, cg,
688 ARRAY_AND_SIZE(scanopts),
689 ARRAY_AND_SIZE(drvopts),
690 (devc && devc->device) ? devc->device->devopts : NULL,
691 (devc && devc->device) ? devc->device->num_devopts : 0);
692 break;
693 case SR_CONF_CHANNEL_CONFIG:
694 if (!devc || !devc->device)
695 return SR_ERR_ARG;
696 /* Not used. */
697 i = 0;
698 if (devc->device->features & PPS_INDEPENDENT)
699 s[i++] = "Independent";
700 if (devc->device->features & PPS_SERIES)
701 s[i++] = "Series";
702 if (devc->device->features & PPS_PARALLEL)
703 s[i++] = "Parallel";
704 if (i == 0) {
705 /*
706 * Shouldn't happen: independent-only devices
707 * shouldn't advertise this option at all.
708 */
709 return SR_ERR_NA;
710 }
711 *data = g_variant_new_strv(s, i);
712 break;
713 default:
714 return SR_ERR_NA;
715 }
716 } else {
717 /*
718 * Per-channel-group options depending on a channel are actually
719 * done with the first channel. Channel groups in PPS can have
720 * more than one channel, but they will typically be of equal
721 * specification for use in series or parallel mode.
722 */
723 ch = cg->channels->data;
724 if (!devc || !devc->device)
725 return SR_ERR_ARG;
726 ch_spec = &(devc->device->channels[ch->index]);
727
728 switch (key) {
729 case SR_CONF_DEVICE_OPTIONS:
730 *data = std_gvar_array_u32(devc->device->devopts_cg, devc->device->num_devopts_cg);
731 break;
732 case SR_CONF_VOLTAGE_TARGET:
733 *data = std_gvar_min_max_step_array(ch_spec->voltage);
734 break;
735 case SR_CONF_OUTPUT_FREQUENCY_TARGET:
736 *data = std_gvar_min_max_step_array(ch_spec->frequency);
737 break;
738 case SR_CONF_CURRENT_LIMIT:
739 *data = std_gvar_min_max_step_array(ch_spec->current);
740 break;
741 case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
742 *data = std_gvar_min_max_step_array(ch_spec->ovp);
743 break;
744 case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
745 *data = std_gvar_min_max_step_array(ch_spec->ocp);
746 break;
747 default:
748 return SR_ERR_NA;
749 }
750 }
751
752 return SR_OK;
753}
754
755static int dev_acquisition_start(const struct sr_dev_inst *sdi)
756{
757 struct dev_context *devc;
758 struct sr_scpi_dev_inst *scpi;
759 int ret;
760
761 devc = sdi->priv;
762 scpi = sdi->conn;
763
764 /* Prime the pipe with the first channel. */
765 devc->cur_acquisition_channel = sr_next_enabled_channel(sdi, NULL);
766
767 /* Device specific initialization before acquisition starts. */
768 if (devc->device->init_acquisition)
769 devc->device->init_acquisition(sdi);
770
771 if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
772 scpi_pps_receive_data, (void *)sdi)) != SR_OK)
773 return ret;
774 std_session_send_df_header(sdi);
775 sr_sw_limits_acquisition_start(&devc->limits);
776
777 return SR_OK;
778}
779
780static int dev_acquisition_stop(struct sr_dev_inst *sdi)
781{
782 struct sr_scpi_dev_inst *scpi;
783
784 scpi = sdi->conn;
785
786 sr_scpi_source_remove(sdi->session, scpi);
787
788 std_session_send_df_end(sdi);
789
790 return SR_OK;
791}
792
793static struct sr_dev_driver scpi_pps_driver_info = {
794 .name = "scpi-pps",
795 .longname = "SCPI PPS",
796 .api_version = 1,
797 .init = std_init,
798 .cleanup = std_cleanup,
799 .scan = scan_scpi_pps,
800 .dev_list = std_dev_list,
801 .dev_clear = dev_clear,
802 .config_get = config_get,
803 .config_set = config_set,
804 .config_list = config_list,
805 .dev_open = dev_open,
806 .dev_close = dev_close,
807 .dev_acquisition_start = dev_acquisition_start,
808 .dev_acquisition_stop = dev_acquisition_stop,
809 .context = NULL,
810};
811
812static struct sr_dev_driver hp_ib_pps_driver_info = {
813 .name = "hpib-pps",
814 .longname = "HP-IB PPS",
815 .api_version = 1,
816 .init = std_init,
817 .cleanup = std_cleanup,
818 .scan = scan_hpib_pps,
819 .dev_list = std_dev_list,
820 .dev_clear = dev_clear,
821 .config_get = config_get,
822 .config_set = config_set,
823 .config_list = config_list,
824 .dev_open = dev_open,
825 .dev_close = dev_close,
826 .dev_acquisition_start = dev_acquisition_start,
827 .dev_acquisition_stop = dev_acquisition_stop,
828 .context = NULL,
829};
830SR_REGISTER_DEV_DRIVER(scpi_pps_driver_info);
831SR_REGISTER_DEV_DRIVER(hp_ib_pps_driver_info);
Hardware access and backend lib