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drivers: Factor out std_gvar_array_*().
[libsigrok.git] / src / hardware / scpi-pps / api.c
CommitLineData
ca1a7cb5
BV
1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2014 Bert Vermeulen <bert@biot.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
6ec6c43b 20#include <config.h>
9e45cd41 21#include <string.h>
ba464a12 22#include <strings.h>
91ef511d 23#include "scpi.h"
ca1a7cb5
BV
24#include "protocol.h"
25
dd5c48a6 26static struct sr_dev_driver scpi_pps_driver_info;
c2af709b 27static struct sr_dev_driver hp_ib_pps_driver_info;
9e45cd41 28
584560f1 29static const uint32_t scanopts[] = {
9e45cd41
BV
30 SR_CONF_CONN,
31 SR_CONF_SERIALCOMM,
32};
ca1a7cb5 33
9d9cf1c4 34static const uint32_t drvopts[] = {
a258204e 35 SR_CONF_POWER_SUPPLY,
a258204e
BV
36};
37
329733d9 38static const struct pps_channel_instance pci[] = {
01b0257a
BV
39 { SR_MQ_VOLTAGE, SCPI_CMD_GET_MEAS_VOLTAGE, "V" },
40 { SR_MQ_CURRENT, SCPI_CMD_GET_MEAS_CURRENT, "I" },
41 { SR_MQ_POWER, SCPI_CMD_GET_MEAS_POWER, "P" },
4264f1c0 42 { SR_MQ_FREQUENCY, SCPI_CMD_GET_MEAS_FREQUENCY, "F" },
01b0257a
BV
43};
44
c2af709b 45static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi,
d9251a2c
UH
46 int (*get_hw_id)(struct sr_scpi_dev_inst *scpi,
47 struct sr_scpi_hw_info **scpi_response))
ca1a7cb5 48{
9e45cd41
BV
49 struct dev_context *devc;
50 struct sr_dev_inst *sdi;
51 struct sr_scpi_hw_info *hw_info;
52 struct sr_channel_group *cg;
53 struct sr_channel *ch;
54 const struct scpi_pps *device;
01b0257a 55 struct pps_channel *pch;
4a471029
BV
56 struct channel_spec *channels;
57 struct channel_group_spec *channel_groups, *cgs;
9e45cd41 58 struct pps_channel_group *pcg;
58b77c41
BV
59 GRegex *model_re;
60 GMatchInfo *model_mi;
01b0257a 61 GSList *l;
9e45cd41 62 uint64_t mask;
4a471029
BV
63 unsigned int num_channels, num_channel_groups, ch_num, ch_idx, i, j;
64 int ret;
22c18b03 65 const char *vendor;
01b0257a 66 char ch_name[16];
9e45cd41 67
c2af709b 68 if (get_hw_id(scpi, &hw_info) != SR_OK) {
9e45cd41
BV
69 sr_info("Couldn't get IDN response.");
70 return NULL;
71 }
72
73 device = NULL;
74 for (i = 0; i < num_pps_profiles; i++) {
91ef511d 75 vendor = sr_vendor_alias(hw_info->manufacturer);
34577da6 76 if (g_ascii_strcasecmp(vendor, pps_profiles[i].vendor))
22c18b03 77 continue;
58b77c41
BV
78 model_re = g_regex_new(pps_profiles[i].model, 0, 0, NULL);
79 if (g_regex_match(model_re, hw_info->model, 0, &model_mi))
9e45cd41 80 device = &pps_profiles[i];
58b77c41
BV
81 g_match_info_unref(model_mi);
82 g_regex_unref(model_re);
83 if (device)
9e45cd41 84 break;
9e45cd41
BV
85 }
86 if (!device) {
87 sr_scpi_hw_info_free(hw_info);
88 return NULL;
89 }
90
aac29cc1 91 sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be
UH
92 sdi->vendor = g_strdup(vendor);
93 sdi->model = g_strdup(hw_info->model);
94 sdi->version = g_strdup(hw_info->firmware_version);
9e45cd41 95 sdi->conn = scpi;
4f840ce9 96 sdi->driver = &scpi_pps_driver_info;
9e45cd41 97 sdi->inst_type = SR_INST_SCPI;
d08667c5
SA
98 sdi->serial_num = g_strdup(hw_info->serial_number);
99
9e45cd41
BV
100 devc = g_malloc0(sizeof(struct dev_context));
101 devc->device = device;
102 sdi->priv = devc;
103
4a471029
BV
104 if (device->num_channels) {
105 /* Static channels and groups. */
329733d9 106 channels = (struct channel_spec *)device->channels;
4a471029 107 num_channels = device->num_channels;
329733d9 108 channel_groups = (struct channel_group_spec *)device->channel_groups;
4a471029
BV
109 num_channel_groups = device->num_channel_groups;
110 } else {
111 /* Channels and groups need to be probed. */
112 ret = device->probe_channels(sdi, hw_info, &channels, &num_channels,
113 &channel_groups, &num_channel_groups);
114 if (ret != SR_OK) {
115 sr_err("Failed to probe for channels.");
116 return NULL;
117 }
118 /*
119 * Since these were dynamically allocated, we'll need to free them
120 * later.
121 */
122 devc->channels = channels;
123 devc->channel_groups = channel_groups;
124 }
125
01b0257a 126 ch_idx = 0;
4a471029 127 for (ch_num = 0; ch_num < num_channels; ch_num++) {
01b0257a 128 /* Create one channel per measurable output unit. */
01b0257a 129 for (i = 0; i < ARRAY_SIZE(pci); i++) {
91ef511d 130 if (!scpi_cmd_get(devc->device->commands, pci[i].command))
01b0257a
BV
131 continue;
132 g_snprintf(ch_name, 16, "%s%s", pci[i].prefix,
4a471029 133 channels[ch_num].name);
5e23fcab
ML
134 ch = sr_channel_new(sdi, ch_idx++, SR_CHANNEL_ANALOG, TRUE,
135 ch_name);
01b0257a
BV
136 pch = g_malloc0(sizeof(struct pps_channel));
137 pch->hw_output_idx = ch_num;
4a471029 138 pch->hwname = channels[ch_num].name;
01b0257a
BV
139 pch->mq = pci[i].mq;
140 ch->priv = pch;
01b0257a 141 }
9e45cd41 142 }
ca1a7cb5 143
4a471029
BV
144 for (i = 0; i < num_channel_groups; i++) {
145 cgs = &channel_groups[i];
9e45cd41
BV
146 cg = g_malloc0(sizeof(struct sr_channel_group));
147 cg->name = g_strdup(cgs->name);
148 for (j = 0, mask = 1; j < 64; j++, mask <<= 1) {
149 if (cgs->channel_index_mask & mask) {
01b0257a
BV
150 for (l = sdi->channels; l; l = l->next) {
151 ch = l->data;
152 pch = ch->priv;
153 if (pch->hw_output_idx == j)
154 cg->channels = g_slist_append(cg->channels, ch);
155 }
9e45cd41
BV
156 }
157 }
158 pcg = g_malloc0(sizeof(struct pps_channel_group));
159 pcg->features = cgs->features;
160 cg->priv = pcg;
161 sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
162 }
ca1a7cb5 163
4a471029
BV
164 sr_scpi_hw_info_free(hw_info);
165 hw_info = NULL;
166
91ef511d 167 scpi_cmd(sdi, devc->device->commands, SCPI_CMD_LOCAL);
ca1a7cb5 168
9e45cd41
BV
169 return sdi;
170}
ca1a7cb5 171
c2af709b 172static gchar *hpib_get_revision(struct sr_scpi_dev_inst *scpi)
9e45cd41 173{
c2af709b
AG
174 int ret;
175 gboolean matches;
176 char *response;
177 GRegex *version_regex;
178
179 ret = sr_scpi_get_string(scpi, "ROM?", &response);
180 if (ret != SR_OK && !response)
181 return NULL;
182
183 /* Example version string: "B01 B01" */
184 version_regex = g_regex_new("[A-Z][0-9]{2} [A-Z][0-9]{2}", 0, 0, NULL);
185 matches = g_regex_match(version_regex, response, 0, NULL);
186 g_regex_unref(version_regex);
187
188 if (!matches) {
189 /* Not a valid version string. Ignore it. */
190 g_free(response);
191 response = NULL;
192 } else {
193 /* Replace space with dot. */
194 response[3] = '.';
195 }
196
197 return response;
198}
199
200/*
201 * This function assumes the response is in the form "HP<model_number>"
202 *
203 * HP made many GPIB (then called HP-IB) instruments before the SCPI command
204 * set was introduced into the standard. We haven't seen any non-HP instruments
205 * which respond to the "ID?" query, so assume all are HP for now.
206 */
207static int hpib_get_hw_id(struct sr_scpi_dev_inst *scpi,
208 struct sr_scpi_hw_info **scpi_response)
209{
210 int ret;
211 char *response;
212 struct sr_scpi_hw_info *hw_info;
213
214 ret = sr_scpi_get_string(scpi, "ID?", &response);
215 if ((ret != SR_OK) || !response)
216 return SR_ERR;
217
218 hw_info = g_malloc0(sizeof(struct sr_scpi_hw_info));
219
220 *scpi_response = hw_info;
221 hw_info->model = response;
222 hw_info->firmware_version = hpib_get_revision(scpi);
223 hw_info->manufacturer = g_strdup("HP");
224
225 return SR_OK;
226}
227
228static struct sr_dev_inst *probe_scpi_pps_device(struct sr_scpi_dev_inst *scpi)
229{
230 return probe_device(scpi, sr_scpi_get_hw_id);
231}
232
233static struct sr_dev_inst *probe_hpib_pps_device(struct sr_scpi_dev_inst *scpi)
234{
235 return probe_device(scpi, hpib_get_hw_id);
236}
237
238static GSList *scan_scpi_pps(struct sr_dev_driver *di, GSList *options)
239{
240 return sr_scpi_scan(di->context, options, probe_scpi_pps_device);
241}
242
243static GSList *scan_hpib_pps(struct sr_dev_driver *di, GSList *options)
244{
245 return sr_scpi_scan(di->context, options, probe_hpib_pps_device);
ca1a7cb5
BV
246}
247
ca1a7cb5
BV
248static int dev_open(struct sr_dev_inst *sdi)
249{
ee2860ee 250 struct dev_context *devc;
9e45cd41 251 struct sr_scpi_dev_inst *scpi;
ee2860ee 252 GVariant *beeper;
9e45cd41 253
9e45cd41
BV
254 scpi = sdi->conn;
255 if (sr_scpi_open(scpi) < 0)
256 return SR_ERR;
ca1a7cb5 257
91ef511d
BV
258 devc = sdi->priv;
259 scpi_cmd(sdi, devc->device->commands, SCPI_CMD_REMOTE);
ee2860ee 260 devc->beeper_was_set = FALSE;
91ef511d
BV
261 if (scpi_cmd_resp(sdi, devc->device->commands, &beeper,
262 G_VARIANT_TYPE_BOOLEAN, SCPI_CMD_BEEPER) == SR_OK) {
ee2860ee
BV
263 if (g_variant_get_boolean(beeper)) {
264 devc->beeper_was_set = TRUE;
91ef511d 265 scpi_cmd(sdi, devc->device->commands, SCPI_CMD_BEEPER_DISABLE);
ee2860ee
BV
266 }
267 g_variant_unref(beeper);
268 }
60475cd7 269
ca1a7cb5
BV
270 return SR_OK;
271}
272
273static int dev_close(struct sr_dev_inst *sdi)
274{
9e45cd41 275 struct sr_scpi_dev_inst *scpi;
ee2860ee 276 struct dev_context *devc;
ca1a7cb5 277
ee2860ee 278 devc = sdi->priv;
9e45cd41 279 scpi = sdi->conn;
ca1a7cb5 280
f1ba6b4b
UH
281 if (!scpi)
282 return SR_ERR_BUG;
283
284 if (devc->beeper_was_set)
285 scpi_cmd(sdi, devc->device->commands, SCPI_CMD_BEEPER_ENABLE);
286 scpi_cmd(sdi, devc->device->commands, SCPI_CMD_LOCAL);
287
288 return sr_scpi_close(scpi);
ca1a7cb5
BV
289}
290
3553451f 291static void clear_helper(struct dev_context *devc)
4a471029 292{
4a471029
BV
293 g_free(devc->channels);
294 g_free(devc->channel_groups);
4a471029
BV
295}
296
1e726f56 297static int dev_clear(const struct sr_dev_driver *di)
ca1a7cb5 298{
3553451f 299 return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
ca1a7cb5
BV
300}
301
584560f1 302static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
ca1a7cb5
BV
303 const struct sr_channel_group *cg)
304{
9e45cd41 305 struct dev_context *devc;
478c8d92
BV
306 const GVariantType *gvtype;
307 unsigned int i;
308 int cmd, ret;
069d9f25 309 const char *s;
ca1a7cb5 310
9e45cd41
BV
311 if (!sdi)
312 return SR_ERR_ARG;
313
314 devc = sdi->priv;
ca1a7cb5 315
478c8d92 316 if (cg) {
9e45cd41
BV
317 /*
318 * These options only apply to channel groups with a single
319 * channel -- they're per-channel settings for the device.
320 */
478c8d92
BV
321
322 /*
323 * Config keys are handled below depending on whether a channel
324 * group was provided by the frontend. However some of these
325 * take a CG on one PPS but not on others. Check the device's
326 * profile for that here, and NULL out the channel group as needed.
327 */
328 for (i = 0; i < devc->device->num_devopts; i++) {
329 if (devc->device->devopts[i] == key) {
330 cg = NULL;
331 break;
332 }
333 }
478c8d92 334 }
9e45cd41 335
478c8d92
BV
336 gvtype = NULL;
337 cmd = -1;
338 switch (key) {
7a0b98b5 339 case SR_CONF_ENABLED:
478c8d92
BV
340 gvtype = G_VARIANT_TYPE_BOOLEAN;
341 cmd = SCPI_CMD_GET_OUTPUT_ENABLED;
342 break;
7a0b98b5 343 case SR_CONF_VOLTAGE:
478c8d92
BV
344 gvtype = G_VARIANT_TYPE_DOUBLE;
345 cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
346 break;
7a0b98b5 347 case SR_CONF_VOLTAGE_TARGET:
478c8d92 348 gvtype = G_VARIANT_TYPE_DOUBLE;
ca95e90f 349 cmd = SCPI_CMD_GET_VOLTAGE_TARGET;
478c8d92 350 break;
4264f1c0
AG
351 case SR_CONF_OUTPUT_FREQUENCY:
352 gvtype = G_VARIANT_TYPE_DOUBLE;
353 cmd = SCPI_CMD_GET_MEAS_FREQUENCY;
354 break;
355 case SR_CONF_OUTPUT_FREQUENCY_TARGET:
356 gvtype = G_VARIANT_TYPE_DOUBLE;
357 cmd = SCPI_CMD_GET_FREQUENCY_TARGET;
358 break;
7a0b98b5 359 case SR_CONF_CURRENT:
478c8d92
BV
360 gvtype = G_VARIANT_TYPE_DOUBLE;
361 cmd = SCPI_CMD_GET_MEAS_CURRENT;
362 break;
7a0b98b5 363 case SR_CONF_CURRENT_LIMIT:
478c8d92 364 gvtype = G_VARIANT_TYPE_DOUBLE;
ca95e90f 365 cmd = SCPI_CMD_GET_CURRENT_LIMIT;
478c8d92
BV
366 break;
367 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
368 gvtype = G_VARIANT_TYPE_BOOLEAN;
369 cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED;
370 break;
371 case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
372 gvtype = G_VARIANT_TYPE_BOOLEAN;
373 cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE;
374 break;
375 case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
376 gvtype = G_VARIANT_TYPE_DOUBLE;
377 cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD;
378 break;
379 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
380 gvtype = G_VARIANT_TYPE_BOOLEAN;
381 cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED;
382 break;
383 case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
384 gvtype = G_VARIANT_TYPE_BOOLEAN;
385 cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE;
386 break;
387 case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
388 gvtype = G_VARIANT_TYPE_DOUBLE;
389 cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD;
390 break;
391 case SR_CONF_OVER_TEMPERATURE_PROTECTION:
392 gvtype = G_VARIANT_TYPE_BOOLEAN;
393 cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION;
394 break;
7a0b98b5 395 case SR_CONF_REGULATION:
60475cd7
BV
396 gvtype = G_VARIANT_TYPE_STRING;
397 cmd = SCPI_CMD_GET_OUTPUT_REGULATION;
478c8d92 398 }
91ef511d
BV
399 if (!gvtype)
400 return SR_ERR_NA;
401
402 if (cg)
403 select_channel(sdi, cg->channels->data);
404 ret = scpi_cmd_resp(sdi, devc->device->commands, data, gvtype, cmd);
405
406 if (cmd == SCPI_CMD_GET_OUTPUT_REGULATION) {
407 /*
408 * The Rigol DP800 series return CV/CC/UR, Philips PM2800
409 * return VOLT/CURR. We always return a GVariant string in
410 * the Rigol notation.
411 */
d66c93cc 412 s = g_variant_get_string(*data, NULL);
069d9f25
AJ
413 if (!strcmp(s, "VOLT")) {
414 g_variant_unref(*data);
91ef511d 415 *data = g_variant_new_string("CV");
069d9f25
AJ
416 } else if (!strcmp(s, "CURR")) {
417 g_variant_unref(*data);
91ef511d 418 *data = g_variant_new_string("CC");
069d9f25
AJ
419 }
420
421 s = g_variant_get_string(*data, NULL);
422 if (strcmp(s, "CV") && strcmp(s, "CC") && strcmp(s, "UR")) {
91ef511d
BV
423 sr_dbg("Unknown response to SCPI_CMD_GET_OUTPUT_REGULATION: %s", s);
424 ret = SR_ERR_DATA;
425 }
91ef511d 426 }
ca1a7cb5
BV
427
428 return ret;
429}
430
584560f1 431static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
ca1a7cb5
BV
432 const struct sr_channel_group *cg)
433{
91ef511d 434 struct dev_context *devc;
9e45cd41 435 double d;
ca1a7cb5 436 int ret;
ca1a7cb5 437
fdedbfcd
BV
438 if (!sdi)
439 return SR_ERR_ARG;
440
60475cd7 441 if (cg)
60475cd7
BV
442 select_channel(sdi, cg->channels->data);
443
91ef511d 444 devc = sdi->priv;
e57057ae 445
60475cd7 446 switch (key) {
7a0b98b5 447 case SR_CONF_ENABLED:
60475cd7 448 if (g_variant_get_boolean(data))
91ef511d
BV
449 ret = scpi_cmd(sdi, devc->device->commands,
450 SCPI_CMD_SET_OUTPUT_ENABLE);
60475cd7 451 else
91ef511d
BV
452 ret = scpi_cmd(sdi, devc->device->commands,
453 SCPI_CMD_SET_OUTPUT_DISABLE);
60475cd7 454 break;
7a0b98b5 455 case SR_CONF_VOLTAGE_TARGET:
60475cd7 456 d = g_variant_get_double(data);
91ef511d
BV
457 ret = scpi_cmd(sdi, devc->device->commands,
458 SCPI_CMD_SET_VOLTAGE_TARGET, d);
60475cd7 459 break;
4264f1c0
AG
460 case SR_CONF_OUTPUT_FREQUENCY_TARGET:
461 d = g_variant_get_double(data);
91ef511d
BV
462 ret = scpi_cmd(sdi, devc->device->commands,
463 SCPI_CMD_SET_FREQUENCY_TARGET, d);
4264f1c0 464 break;
7a0b98b5 465 case SR_CONF_CURRENT_LIMIT:
60475cd7 466 d = g_variant_get_double(data);
91ef511d
BV
467 ret = scpi_cmd(sdi, devc->device->commands,
468 SCPI_CMD_SET_CURRENT_LIMIT, d);
60475cd7
BV
469 break;
470 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
471 if (g_variant_get_boolean(data))
91ef511d
BV
472 ret = scpi_cmd(sdi, devc->device->commands,
473 SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLE);
60475cd7 474 else
91ef511d
BV
475 ret = scpi_cmd(sdi, devc->device->commands,
476 SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_DISABLE);
60475cd7
BV
477 break;
478 case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
479 d = g_variant_get_double(data);
91ef511d
BV
480 ret = scpi_cmd(sdi, devc->device->commands,
481 SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, d);
60475cd7
BV
482 break;
483 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
484 if (g_variant_get_boolean(data))
91ef511d
BV
485 ret = scpi_cmd(sdi, devc->device->commands,
486 SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLE);
60475cd7 487 else
91ef511d
BV
488 ret = scpi_cmd(sdi, devc->device->commands,
489 SCPI_CMD_SET_OVER_CURRENT_PROTECTION_DISABLE);
60475cd7
BV
490 break;
491 case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
492 d = g_variant_get_double(data);
91ef511d
BV
493 ret = scpi_cmd(sdi, devc->device->commands,
494 SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, d);
60475cd7
BV
495 break;
496 case SR_CONF_OVER_TEMPERATURE_PROTECTION:
497 if (g_variant_get_boolean(data))
91ef511d
BV
498 ret = scpi_cmd(sdi, devc->device->commands,
499 SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_ENABLE);
60475cd7 500 else
91ef511d
BV
501 ret = scpi_cmd(sdi, devc->device->commands,
502 SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_DISABLE);
60475cd7
BV
503 break;
504 default:
505 ret = SR_ERR_NA;
ca1a7cb5
BV
506 }
507
508 return ret;
509}
510
584560f1 511static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
ca1a7cb5
BV
512 const struct sr_channel_group *cg)
513{
9e45cd41
BV
514 struct dev_context *devc;
515 struct sr_channel *ch;
329733d9 516 const struct channel_spec *ch_spec;
a9010323 517 int i;
9e45cd41
BV
518 const char *s[16];
519
e66d1892 520 devc = (sdi) ? sdi->priv : NULL;
ca1a7cb5 521
9e45cd41 522 if (!cg) {
9e45cd41 523 switch (key) {
e66d1892 524 case SR_CONF_SCAN_OPTIONS:
9e45cd41 525 case SR_CONF_DEVICE_OPTIONS:
e66d1892
UH
526 return std_opts_config_list(key, data, sdi, cg,
527 scanopts, ARRAY_SIZE(scanopts),
528 drvopts, ARRAY_SIZE(drvopts),
529 (devc) ? devc->device->devopts : NULL,
530 (devc) ? devc->device->num_devopts : 0);
9e45cd41 531 break;
7a0b98b5 532 case SR_CONF_CHANNEL_CONFIG:
478c8d92 533 /* Not used. */
9e45cd41
BV
534 i = 0;
535 if (devc->device->features & PPS_INDEPENDENT)
536 s[i++] = "Independent";
537 if (devc->device->features & PPS_SERIES)
538 s[i++] = "Series";
539 if (devc->device->features & PPS_PARALLEL)
540 s[i++] = "Parallel";
541 if (i == 0) {
542 /*
543 * Shouldn't happen: independent-only devices
544 * shouldn't advertise this option at all.
545 */
546 return SR_ERR_NA;
547 }
548 *data = g_variant_new_strv(s, i);
549 break;
550 default:
551 return SR_ERR_NA;
552 }
553 } else {
9e45cd41
BV
554 /*
555 * Per-channel-group options depending on a channel are actually
556 * done with the first channel. Channel groups in PPS can have
557 * more than one channel, but they will typically be of equal
01b0257a 558 * specification for use in series or parallel mode.
9e45cd41 559 */
9e45cd41 560 ch = cg->channels->data;
54d471f4 561 ch_spec = &(devc->device->channels[ch->index]);
9e45cd41
BV
562
563 switch (key) {
564 case SR_CONF_DEVICE_OPTIONS:
105df674 565 *data = std_gvar_array_u32(devc->device->devopts_cg, devc->device->num_devopts_cg);
9e45cd41 566 break;
7a0b98b5 567 case SR_CONF_VOLTAGE_TARGET:
54d471f4 568 *data = std_gvar_min_max_step_array(ch_spec->voltage);
9e45cd41 569 break;
4264f1c0 570 case SR_CONF_OUTPUT_FREQUENCY_TARGET:
54d471f4 571 *data = std_gvar_min_max_step_array(ch_spec->frequency);
4264f1c0 572 break;
7a0b98b5 573 case SR_CONF_CURRENT_LIMIT:
54d471f4 574 *data = std_gvar_min_max_step_array(ch_spec->current);
9e45cd41
BV
575 break;
576 default:
577 return SR_ERR_NA;
578 }
ca1a7cb5
BV
579 }
580
a9010323 581 return SR_OK;
ca1a7cb5
BV
582}
583
695dc859 584static int dev_acquisition_start(const struct sr_dev_inst *sdi)
ca1a7cb5 585{
9e45cd41
BV
586 struct dev_context *devc;
587 struct sr_scpi_dev_inst *scpi;
588 struct sr_channel *ch;
01b0257a
BV
589 struct pps_channel *pch;
590 int cmd, ret;
ca1a7cb5 591
9e45cd41
BV
592 devc = sdi->priv;
593 scpi = sdi->conn;
9e45cd41 594
01b0257a 595 if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
9e45cd41
BV
596 scpi_pps_receive_data, (void *)sdi)) != SR_OK)
597 return ret;
bee2b016 598 std_session_send_df_header(sdi);
9e45cd41 599
01b0257a 600 /* Prime the pipe with the first channel's fetch. */
9c24d16a 601 ch = sr_next_enabled_channel(sdi, NULL);
01b0257a 602 pch = ch->priv;
c1603f45 603 if ((ret = select_channel(sdi, ch)) < 0)
984e4b0d 604 return ret;
01b0257a
BV
605 if (pch->mq == SR_MQ_VOLTAGE)
606 cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
4264f1c0
AG
607 else if (pch->mq == SR_MQ_FREQUENCY)
608 cmd = SCPI_CMD_GET_MEAS_FREQUENCY;
01b0257a
BV
609 else if (pch->mq == SR_MQ_CURRENT)
610 cmd = SCPI_CMD_GET_MEAS_CURRENT;
611 else if (pch->mq == SR_MQ_POWER)
612 cmd = SCPI_CMD_GET_MEAS_POWER;
613 else
614 return SR_ERR;
91ef511d 615 scpi_cmd(sdi, devc->device->commands, cmd, pch->hwname);
ca1a7cb5
BV
616
617 return SR_OK;
618}
619
695dc859 620static int dev_acquisition_stop(struct sr_dev_inst *sdi)
ca1a7cb5 621{
9e45cd41 622 struct sr_scpi_dev_inst *scpi;
bcee1299 623 double d;
9e45cd41 624
9e45cd41
BV
625 scpi = sdi->conn;
626
627 /*
628 * A requested value is certainly on the way. Retrieve it now,
629 * to avoid leaving the device in a state where it's not expecting
630 * commands.
631 */
bcee1299 632 sr_scpi_get_double(scpi, NULL, &d);
9e45cd41
BV
633 sr_scpi_source_remove(sdi->session, scpi);
634
bee2b016 635 std_session_send_df_end(sdi);
bf48cceb 636
ca1a7cb5
BV
637 return SR_OK;
638}
639
dd5c48a6 640static struct sr_dev_driver scpi_pps_driver_info = {
ca1a7cb5
BV
641 .name = "scpi-pps",
642 .longname = "SCPI PPS",
643 .api_version = 1,
c2fdcc25 644 .init = std_init,
700d6b64 645 .cleanup = std_cleanup,
c2af709b
AG
646 .scan = scan_scpi_pps,
647 .dev_list = std_dev_list,
648 .dev_clear = dev_clear,
649 .config_get = config_get,
650 .config_set = config_set,
651 .config_list = config_list,
652 .dev_open = dev_open,
653 .dev_close = dev_close,
654 .dev_acquisition_start = dev_acquisition_start,
655 .dev_acquisition_stop = dev_acquisition_stop,
656 .context = NULL,
657};
658
659static struct sr_dev_driver hp_ib_pps_driver_info = {
660 .name = "hpib-pps",
661 .longname = "HP-IB PPS",
662 .api_version = 1,
663 .init = std_init,
664 .cleanup = std_cleanup,
665 .scan = scan_hpib_pps,
c01bf34c 666 .dev_list = std_dev_list,
ca1a7cb5
BV
667 .dev_clear = dev_clear,
668 .config_get = config_get,
669 .config_set = config_set,
670 .config_list = config_list,
671 .dev_open = dev_open,
672 .dev_close = dev_close,
673 .dev_acquisition_start = dev_acquisition_start,
674 .dev_acquisition_stop = dev_acquisition_stop,
41812aca 675 .context = NULL,
ca1a7cb5 676};
dd5c48a6 677SR_REGISTER_DEV_DRIVER(scpi_pps_driver_info);
c2af709b 678SR_REGISTER_DEV_DRIVER(hp_ib_pps_driver_info);