]>
Commit | Line | Data |
---|---|---|
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 | ||
9e45cd41 | 20 | #include <string.h> |
ca1a7cb5 BV |
21 | #include "protocol.h" |
22 | ||
23 | SR_PRIV struct sr_dev_driver scpi_pps_driver_info; | |
24 | static struct sr_dev_driver *di = &scpi_pps_driver_info; | |
d4eabea8 BV |
25 | extern unsigned int num_pps_profiles; |
26 | extern const struct scpi_pps pps_profiles[]; | |
9e45cd41 BV |
27 | |
28 | static const int32_t scanopts[] = { | |
29 | SR_CONF_CONN, | |
30 | SR_CONF_SERIALCOMM, | |
31 | }; | |
ca1a7cb5 BV |
32 | |
33 | static int init(struct sr_context *sr_ctx) | |
34 | { | |
35 | return std_init(sr_ctx, di, LOG_PREFIX); | |
36 | } | |
37 | ||
9e45cd41 | 38 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) |
ca1a7cb5 | 39 | { |
9e45cd41 BV |
40 | struct dev_context *devc; |
41 | struct sr_dev_inst *sdi; | |
42 | struct sr_scpi_hw_info *hw_info; | |
43 | struct sr_channel_group *cg; | |
44 | struct sr_channel *ch; | |
45 | const struct scpi_pps *device; | |
46 | const struct channel_group_spec *cgs; | |
47 | struct pps_channel_group *pcg; | |
48 | uint64_t mask; | |
49 | unsigned int i, j; | |
50 | ||
51 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
52 | sr_info("Couldn't get IDN response."); | |
53 | return NULL; | |
54 | } | |
55 | ||
56 | device = NULL; | |
57 | for (i = 0; i < num_pps_profiles; i++) { | |
58 | if (!strcasecmp(hw_info->manufacturer, pps_profiles[i].idn_vendor) && | |
59 | !strcmp(hw_info->model, pps_profiles[i].idn_model)) { | |
60 | device = &pps_profiles[i]; | |
61 | break; | |
62 | } | |
63 | } | |
64 | if (!device) { | |
65 | sr_scpi_hw_info_free(hw_info); | |
66 | return NULL; | |
67 | } | |
68 | ||
69 | sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, device->vendor, device->idn_model, | |
70 | hw_info->firmware_version); | |
71 | sdi->conn = scpi; | |
72 | sdi->driver = di; | |
73 | sdi->inst_type = SR_INST_SCPI; | |
74 | devc = g_malloc0(sizeof(struct dev_context)); | |
75 | devc->device = device; | |
76 | sdi->priv = devc; | |
77 | ||
78 | for (i = 0; i < device->num_channels; i++) { | |
79 | ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE, | |
80 | device->channels[i].name); | |
81 | sdi->channels = g_slist_append(sdi->channels, ch); | |
82 | } | |
ca1a7cb5 | 83 | |
9e45cd41 BV |
84 | for (i = 0; i < device->num_channel_groups; i++) { |
85 | cgs = &device->channel_groups[i]; | |
86 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
87 | cg->name = g_strdup(cgs->name); | |
88 | for (j = 0, mask = 1; j < 64; j++, mask <<= 1) { | |
89 | if (cgs->channel_index_mask & mask) { | |
90 | ch = g_slist_nth_data(sdi->channels, j); | |
91 | cg->channels = g_slist_append(cg->channels, ch); | |
92 | } | |
93 | } | |
94 | pcg = g_malloc0(sizeof(struct pps_channel_group)); | |
95 | pcg->features = cgs->features; | |
96 | cg->priv = pcg; | |
97 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
98 | } | |
ca1a7cb5 | 99 | |
9e45cd41 BV |
100 | /* SCPI devices commonly lock the panel keys when accessed remotely. */ |
101 | scpi_cmd(sdi, SCPI_CMD_KEY_UNLOCK); | |
102 | sr_scpi_close(scpi); | |
ca1a7cb5 | 103 | |
9e45cd41 BV |
104 | return sdi; |
105 | } | |
ca1a7cb5 | 106 | |
9e45cd41 BV |
107 | static GSList *scan(GSList *options) |
108 | { | |
109 | return sr_scpi_scan(di->priv, options, probe_device); | |
ca1a7cb5 BV |
110 | } |
111 | ||
112 | static GSList *dev_list(void) | |
113 | { | |
114 | return ((struct drv_context *)(di->priv))->instances; | |
115 | } | |
116 | ||
117 | static int dev_clear(void) | |
118 | { | |
119 | return std_dev_clear(di, NULL); | |
120 | } | |
121 | ||
122 | static int dev_open(struct sr_dev_inst *sdi) | |
123 | { | |
9e45cd41 BV |
124 | struct sr_scpi_dev_inst *scpi; |
125 | ||
126 | if (sdi->status != SR_ST_ACTIVE) | |
127 | return SR_ERR; | |
ca1a7cb5 | 128 | |
9e45cd41 BV |
129 | scpi = sdi->conn; |
130 | if (sr_scpi_open(scpi) < 0) | |
131 | return SR_ERR; | |
ca1a7cb5 BV |
132 | |
133 | sdi->status = SR_ST_ACTIVE; | |
134 | ||
135 | return SR_OK; | |
136 | } | |
137 | ||
138 | static int dev_close(struct sr_dev_inst *sdi) | |
139 | { | |
9e45cd41 | 140 | struct sr_scpi_dev_inst *scpi; |
ca1a7cb5 | 141 | |
9e45cd41 BV |
142 | if (sdi->status != SR_ST_ACTIVE) |
143 | return SR_ERR_DEV_CLOSED; | |
ca1a7cb5 | 144 | |
9e45cd41 BV |
145 | scpi = sdi->conn; |
146 | if (scpi) { | |
147 | scpi_cmd(sdi, SCPI_CMD_KEY_UNLOCK); | |
148 | sr_scpi_close(scpi); | |
149 | sdi->status = SR_ST_INACTIVE; | |
150 | } | |
ca1a7cb5 BV |
151 | |
152 | return SR_OK; | |
153 | } | |
154 | ||
155 | static int cleanup(void) | |
156 | { | |
ca1a7cb5 BV |
157 | return SR_OK; |
158 | } | |
159 | ||
160 | static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
161 | const struct sr_channel_group *cg) | |
162 | { | |
9e45cd41 BV |
163 | struct dev_context *devc; |
164 | struct sr_scpi_dev_inst *scpi; | |
165 | struct sr_channel *ch; | |
166 | double d; | |
ca1a7cb5 | 167 | int ret; |
9e45cd41 | 168 | char *s; |
ca1a7cb5 | 169 | |
9e45cd41 BV |
170 | if (!sdi) |
171 | return SR_ERR_ARG; | |
172 | ||
173 | devc = sdi->priv; | |
174 | scpi = sdi->conn; | |
ca1a7cb5 BV |
175 | |
176 | ret = SR_OK; | |
9e45cd41 BV |
177 | if (!cg) { |
178 | /* No channel group: global options. */ | |
179 | switch (key) { | |
180 | case SR_CONF_OVER_TEMPERATURE_PROTECTION: | |
181 | ret = SR_ERR; | |
182 | if (scpi_cmd(sdi, SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION) == SR_OK) { | |
183 | if (sr_scpi_get_string(scpi, NULL, &s) == SR_OK) { | |
184 | *data = g_variant_new_boolean(!strcmp(s, "ON")); | |
185 | ret = SR_OK; | |
186 | } | |
187 | } | |
188 | break; | |
189 | return SR_ERR_NA; | |
190 | break; | |
191 | case SR_CONF_OUTPUT_CHANNEL_CONFIG: | |
192 | ret = SR_ERR; | |
193 | if (scpi_cmd(sdi, SCPI_CMD_GET_OUTPUT_CHANNEL_CONFIG) == SR_OK) { | |
194 | if (sr_scpi_get_string(scpi, NULL, &s) == SR_OK) { | |
195 | *data = g_variant_new_string(s); | |
196 | g_free(s); | |
197 | ret = SR_OK; | |
198 | } | |
199 | } | |
200 | break; | |
201 | default: | |
202 | return SR_ERR_NA; | |
203 | } | |
204 | } else { | |
205 | /* | |
206 | * These options only apply to channel groups with a single | |
207 | * channel -- they're per-channel settings for the device. | |
208 | */ | |
209 | if (g_slist_length(cg->channels) > 1) | |
210 | return SR_ERR_NA; | |
211 | ch = cg->channels->data; | |
212 | ||
213 | switch (key) { | |
214 | case SR_CONF_OUTPUT_REGULATION: | |
215 | ret = SR_ERR; | |
216 | if (scpi_cmd(sdi, SCPI_CMD_GET_OUTPUT_REGULATION, ch->name) == SR_OK) { | |
217 | if (sr_scpi_get_string(scpi, NULL, &s) == SR_OK) { | |
218 | if (strcmp(s, "CC") && strcmp(s, "CV") && strcmp(s, "UR")) { | |
219 | sr_dbg("Unknown response to SCPI_CMD_GET_OUTPUT_REGULATION: %s", s); | |
220 | } else { | |
221 | *data = g_variant_new_string(s); | |
222 | g_free(s); | |
223 | ret = SR_OK; | |
224 | } | |
225 | } | |
226 | } | |
227 | break; | |
228 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: | |
229 | ret = SR_ERR; | |
230 | if (scpi_cmd(sdi, SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED, | |
231 | ch->name) == SR_OK) { | |
232 | if (sr_scpi_get_string(scpi, NULL, &s) == SR_OK) { | |
233 | *data = g_variant_new_boolean(!strcmp(s, "ON")); | |
234 | ret = SR_OK; | |
235 | } | |
236 | } | |
237 | break; | |
238 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE: | |
239 | ret = SR_ERR; | |
240 | if (scpi_cmd(sdi, SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE, | |
241 | ch->name) == SR_OK) { | |
242 | if (sr_scpi_get_string(scpi, NULL, &s) == SR_OK) { | |
243 | *data = g_variant_new_boolean(!strcmp(s, "YES")); | |
244 | ret = SR_OK; | |
245 | } | |
246 | } | |
247 | break; | |
248 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: | |
249 | ret = SR_ERR; | |
250 | if (scpi_cmd(sdi, SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD, | |
251 | ch->name) == SR_OK) { | |
252 | if (sr_scpi_get_double(scpi, NULL, &d) == SR_OK) { | |
253 | *data = g_variant_new_double(d); | |
254 | ret = SR_OK; | |
255 | } | |
256 | } | |
257 | break; | |
258 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: | |
259 | ret = SR_ERR; | |
260 | if (scpi_cmd(sdi, SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED, | |
261 | ch->name) == SR_OK) { | |
262 | if (sr_scpi_get_string(scpi, NULL, &s) == SR_OK) { | |
263 | *data = g_variant_new_boolean(!strcmp(s, "ON")); | |
264 | ret = SR_OK; | |
265 | } | |
266 | } | |
267 | break; | |
268 | case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE: | |
269 | ret = SR_ERR; | |
270 | if (scpi_cmd(sdi, SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE, | |
271 | ch->name) == SR_OK) { | |
272 | if (sr_scpi_get_string(scpi, NULL, &s) == SR_OK) { | |
273 | *data = g_variant_new_boolean(!strcmp(s, "YES")); | |
274 | ret = SR_OK; | |
275 | } | |
276 | } | |
277 | break; | |
278 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: | |
279 | ret = SR_ERR; | |
280 | if (scpi_cmd(sdi, SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD, | |
281 | ch->name) == SR_OK) { | |
282 | if (sr_scpi_get_double(scpi, NULL, &d) == SR_OK) { | |
283 | *data = g_variant_new_double(d); | |
284 | ret = SR_OK; | |
285 | } | |
286 | } | |
287 | break; | |
288 | case SR_CONF_OUTPUT_VOLTAGE: | |
289 | ret = SR_ERR; | |
290 | if (scpi_cmd(sdi, SCPI_CMD_GET_MEAS_VOLTAGE, ch->name) == SR_OK) { | |
291 | if (sr_scpi_get_double(scpi, NULL, &d) == SR_OK) { | |
292 | *data = g_variant_new_double(d); | |
293 | ret = SR_OK; | |
294 | } | |
295 | } | |
296 | break; | |
297 | case SR_CONF_OUTPUT_VOLTAGE_MAX: | |
298 | ret = SR_ERR; | |
299 | if (scpi_cmd(sdi, SCPI_CMD_GET_VOLTAGE_MAX, ch->name) == SR_OK) { | |
300 | if (sr_scpi_get_double(scpi, NULL, &d) == SR_OK) { | |
301 | *data = g_variant_new_double(d); | |
302 | ret = SR_OK; | |
303 | } | |
304 | } | |
305 | break; | |
306 | case SR_CONF_OUTPUT_CURRENT: | |
307 | ret = SR_ERR; | |
308 | if (scpi_cmd(sdi, SCPI_CMD_GET_MEAS_CURRENT, ch->name) == SR_OK) { | |
309 | if (sr_scpi_get_double(scpi, NULL, &d) == SR_OK) { | |
310 | *data = g_variant_new_double(d); | |
311 | ret = SR_OK; | |
312 | } | |
313 | } | |
314 | break; | |
315 | case SR_CONF_OUTPUT_CURRENT_MAX: | |
316 | ret = SR_ERR; | |
317 | if (scpi_cmd(sdi, SCPI_CMD_GET_CURRENT_MAX, ch->name) == SR_OK) { | |
318 | if (sr_scpi_get_double(scpi, NULL, &d) == SR_OK) { | |
319 | *data = g_variant_new_double(d); | |
320 | ret = SR_OK; | |
321 | } | |
322 | } | |
323 | break; | |
324 | case SR_CONF_OUTPUT_ENABLED: | |
325 | ret = SR_ERR; | |
326 | if (scpi_cmd(sdi, SCPI_CMD_GET_OUTPUT_ENABLED, ch->name) == SR_OK) { | |
327 | if (sr_scpi_get_string(scpi, NULL, &s) == SR_OK) { | |
328 | *data = g_variant_new_boolean(!strcmp(s, "ON")); | |
329 | ret = SR_OK; | |
330 | } | |
331 | } | |
332 | break; | |
333 | default: | |
334 | return SR_ERR_NA; | |
335 | } | |
ca1a7cb5 BV |
336 | } |
337 | ||
338 | return ret; | |
339 | } | |
340 | ||
341 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, | |
342 | const struct sr_channel_group *cg) | |
343 | { | |
9e45cd41 BV |
344 | struct sr_channel *ch; |
345 | double d; | |
ca1a7cb5 | 346 | int ret; |
9e45cd41 | 347 | const char *s; |
ca1a7cb5 BV |
348 | |
349 | if (sdi->status != SR_ST_ACTIVE) | |
350 | return SR_ERR_DEV_CLOSED; | |
351 | ||
9e45cd41 | 352 | |
ca1a7cb5 | 353 | ret = SR_OK; |
9e45cd41 BV |
354 | if (!cg) { |
355 | switch (key) { | |
356 | /* No channel group: global options. */ | |
357 | case SR_CONF_OVER_TEMPERATURE_PROTECTION: | |
358 | s = g_variant_get_boolean(data) ? "ON" : "OFF"; | |
359 | if (scpi_cmd(sdi, SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION, s) < 0) | |
360 | ret = SR_ERR; | |
361 | break; | |
362 | case SR_CONF_OUTPUT_CHANNEL_CONFIG: | |
363 | s = g_variant_get_string(data, NULL); | |
364 | if (scpi_cmd(sdi, SCPI_CMD_SET_OUTPUT_CHANNEL_CONFIG, s) < 0) | |
365 | ret = SR_ERR; | |
366 | break; | |
367 | default: | |
368 | ret = SR_ERR_NA; | |
369 | } | |
370 | } else { | |
371 | /* Channel group specified. */ | |
372 | if (!sdi) | |
373 | return SR_ERR_ARG; | |
374 | if (g_slist_length(cg->channels) > 1) | |
375 | return SR_ERR_NA; | |
376 | ch = cg->channels->data; | |
377 | switch (key) { | |
378 | case SR_CONF_OUTPUT_VOLTAGE_MAX: | |
379 | d = g_variant_get_double(data); | |
380 | if (scpi_cmd(sdi, SCPI_CMD_SET_VOLTAGE_MAX, ch->name, d) < 0) | |
381 | ret = SR_ERR; | |
382 | break; | |
383 | case SR_CONF_OUTPUT_CURRENT_MAX: | |
384 | d = g_variant_get_double(data); | |
385 | if (scpi_cmd(sdi, SCPI_CMD_SET_CURRENT_MAX, ch->name, d) < 0) | |
386 | ret = SR_ERR; | |
387 | break; | |
388 | case SR_CONF_OUTPUT_ENABLED: | |
389 | s = g_variant_get_boolean(data) ? "ON" : "OFF"; | |
390 | if (scpi_cmd(sdi, SCPI_CMD_SET_OUTPUT_ENABLED, ch->name, s) < 0) | |
391 | ret = SR_ERR; | |
392 | break; | |
393 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: | |
394 | s = g_variant_get_boolean(data) ? "ON" : "OFF"; | |
395 | if (scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLED, | |
396 | ch->name, s) < 0) | |
397 | ret = SR_ERR; | |
398 | break; | |
399 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: | |
400 | d = g_variant_get_double(data); | |
401 | if (scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, | |
402 | ch->name, d) < 0) | |
403 | ret = SR_ERR; | |
404 | break; | |
405 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: | |
406 | s = g_variant_get_boolean(data) ? "ON" : "OFF"; | |
407 | if (scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLED, | |
408 | ch->name, s) < 0) | |
409 | ret = SR_ERR; | |
410 | break; | |
411 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: | |
412 | d = g_variant_get_double(data); | |
413 | if (scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, | |
414 | ch->name, d) < 0) | |
415 | ret = SR_ERR; | |
416 | break; | |
417 | default: | |
418 | ret = SR_ERR_NA; | |
419 | } | |
ca1a7cb5 BV |
420 | } |
421 | ||
422 | return ret; | |
423 | } | |
424 | ||
425 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
426 | const struct sr_channel_group *cg) | |
427 | { | |
9e45cd41 BV |
428 | struct dev_context *devc; |
429 | struct sr_channel *ch; | |
430 | struct channel_spec *ch_spec; | |
431 | GVariant *gvar; | |
432 | GVariantBuilder gvb; | |
433 | int ret, i; | |
434 | const char *s[16]; | |
435 | ||
436 | /* Always available, even without sdi. */ | |
437 | if (key == SR_CONF_SCAN_OPTIONS) { | |
438 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
439 | scanopts, ARRAY_SIZE(scanopts), sizeof(int32_t)); | |
440 | return SR_OK; | |
441 | } | |
ca1a7cb5 | 442 | |
9e45cd41 BV |
443 | if (!sdi) |
444 | return SR_ERR_ARG; | |
445 | devc = sdi->priv; | |
ca1a7cb5 BV |
446 | |
447 | ret = SR_OK; | |
9e45cd41 BV |
448 | if (!cg) { |
449 | /* No channel group: global options. */ | |
450 | switch (key) { | |
451 | case SR_CONF_DEVICE_OPTIONS: | |
452 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
453 | devc->device->devopts, devc->device->num_devopts, | |
454 | sizeof(int32_t)); | |
455 | break; | |
456 | case SR_CONF_OUTPUT_CHANNEL_CONFIG: | |
457 | i = 0; | |
458 | if (devc->device->features & PPS_INDEPENDENT) | |
459 | s[i++] = "Independent"; | |
460 | if (devc->device->features & PPS_SERIES) | |
461 | s[i++] = "Series"; | |
462 | if (devc->device->features & PPS_PARALLEL) | |
463 | s[i++] = "Parallel"; | |
464 | if (i == 0) { | |
465 | /* | |
466 | * Shouldn't happen: independent-only devices | |
467 | * shouldn't advertise this option at all. | |
468 | */ | |
469 | return SR_ERR_NA; | |
470 | } | |
471 | *data = g_variant_new_strv(s, i); | |
472 | break; | |
473 | default: | |
474 | return SR_ERR_NA; | |
475 | } | |
476 | } else { | |
477 | /* Channel group specified. */ | |
478 | if (!sdi) | |
479 | return SR_ERR_ARG; | |
480 | /* | |
481 | * Per-channel-group options depending on a channel are actually | |
482 | * done with the first channel. Channel groups in PPS can have | |
483 | * more than one channel, but they will typically be of equal | |
484 | * specification for use in series or parallel mode. Drop requests | |
485 | * for groups with more than one channel just to make sure. | |
486 | */ | |
487 | if (g_slist_length(cg->channels) > 1) | |
488 | return SR_ERR_NA; | |
489 | ch = cg->channels->data; | |
490 | ||
491 | switch (key) { | |
492 | case SR_CONF_DEVICE_OPTIONS: | |
493 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
494 | devc->device->devopts_cg, devc->device->num_devopts_cg, | |
495 | sizeof(int32_t)); | |
496 | break; | |
497 | case SR_CONF_OUTPUT_VOLTAGE_MAX: | |
498 | ch_spec = &(devc->device->channels[ch->index]); | |
499 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
500 | /* Min, max, write resolution. */ | |
501 | for (i = 0; i < 3; i++) { | |
502 | gvar = g_variant_new_double(ch_spec->voltage[i]); | |
503 | g_variant_builder_add_value(&gvb, gvar); | |
504 | } | |
505 | *data = g_variant_builder_end(&gvb); | |
506 | break; | |
507 | case SR_CONF_OUTPUT_CURRENT_MAX: | |
508 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
509 | /* Min, max, step. */ | |
510 | for (i = 0; i < 3; i++) { | |
511 | ch_spec = &(devc->device->channels[ch->index]); | |
512 | gvar = g_variant_new_double(ch_spec->current[i]); | |
513 | g_variant_builder_add_value(&gvb, gvar); | |
514 | } | |
515 | *data = g_variant_builder_end(&gvb); | |
516 | break; | |
517 | default: | |
518 | return SR_ERR_NA; | |
519 | } | |
ca1a7cb5 BV |
520 | } |
521 | ||
522 | return ret; | |
523 | } | |
524 | ||
525 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
9e45cd41 | 526 | void *cb_data) |
ca1a7cb5 | 527 | { |
9e45cd41 BV |
528 | struct dev_context *devc; |
529 | struct sr_scpi_dev_inst *scpi; | |
530 | struct sr_channel *ch; | |
531 | int ret; | |
ca1a7cb5 BV |
532 | |
533 | if (sdi->status != SR_ST_ACTIVE) | |
534 | return SR_ERR_DEV_CLOSED; | |
535 | ||
9e45cd41 BV |
536 | devc = sdi->priv; |
537 | scpi = sdi->conn; | |
538 | devc->cb_data = cb_data; | |
539 | ||
540 | if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 100, | |
541 | scpi_pps_receive_data, (void *)sdi)) != SR_OK) | |
542 | return ret; | |
543 | std_session_send_df_header(sdi, LOG_PREFIX); | |
544 | ||
545 | /* Prime the pipe. */ | |
546 | devc->state = STATE_VOLTAGE; | |
547 | ch = sdi->channels->data; | |
548 | devc->cur_channel = ch; | |
549 | scpi_cmd(sdi, SCPI_CMD_GET_MEAS_VOLTAGE, ch->name); | |
ca1a7cb5 BV |
550 | |
551 | return SR_OK; | |
552 | } | |
553 | ||
554 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
555 | { | |
9e45cd41 BV |
556 | struct dev_context *devc; |
557 | struct sr_scpi_dev_inst *scpi; | |
558 | float f; | |
559 | ||
ca1a7cb5 BV |
560 | (void)cb_data; |
561 | ||
562 | if (sdi->status != SR_ST_ACTIVE) | |
563 | return SR_ERR_DEV_CLOSED; | |
564 | ||
9e45cd41 BV |
565 | devc = sdi->priv; |
566 | scpi = sdi->conn; | |
567 | ||
568 | /* | |
569 | * A requested value is certainly on the way. Retrieve it now, | |
570 | * to avoid leaving the device in a state where it's not expecting | |
571 | * commands. | |
572 | */ | |
573 | sr_scpi_get_float(scpi, NULL, &f); | |
574 | sr_scpi_source_remove(sdi->session, scpi); | |
575 | ||
576 | /* Just in case something is queued up. */ | |
577 | devc->state = STATE_STOP; | |
ca1a7cb5 BV |
578 | |
579 | return SR_OK; | |
580 | } | |
581 | ||
582 | SR_PRIV struct sr_dev_driver scpi_pps_driver_info = { | |
583 | .name = "scpi-pps", | |
584 | .longname = "SCPI PPS", | |
585 | .api_version = 1, | |
586 | .init = init, | |
587 | .cleanup = cleanup, | |
588 | .scan = scan, | |
589 | .dev_list = dev_list, | |
590 | .dev_clear = dev_clear, | |
591 | .config_get = config_get, | |
592 | .config_set = config_set, | |
593 | .config_list = config_list, | |
594 | .dev_open = dev_open, | |
595 | .dev_close = dev_close, | |
596 | .dev_acquisition_start = dev_acquisition_start, | |
597 | .dev_acquisition_stop = dev_acquisition_stop, | |
598 | .priv = NULL, | |
599 | }; |