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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 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 | ||
27 | static struct sr_dev_driver scpi_pps_driver_info; | |
28 | static struct sr_dev_driver hp_ib_pps_driver_info; | |
29 | ||
30 | static const uint32_t scanopts[] = { | |
31 | SR_CONF_CONN, | |
32 | SR_CONF_SERIALCOMM, | |
33 | }; | |
34 | ||
35 | static const uint32_t drvopts[] = { | |
36 | SR_CONF_POWER_SUPPLY, | |
37 | }; | |
38 | ||
39 | static 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 | ||
46 | static 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 | if (pch->hw_output_idx == j) | |
156 | cg->channels = g_slist_append(cg->channels, ch); | |
157 | } | |
158 | } | |
159 | } | |
160 | pcg = g_malloc0(sizeof(struct pps_channel_group)); | |
161 | pcg->features = cgs->features; | |
162 | cg->priv = pcg; | |
163 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
164 | } | |
165 | ||
166 | sr_scpi_hw_info_free(hw_info); | |
167 | hw_info = NULL; | |
168 | ||
169 | sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_LOCAL); | |
170 | ||
171 | return sdi; | |
172 | } | |
173 | ||
174 | static gchar *hpib_get_revision(struct sr_scpi_dev_inst *scpi) | |
175 | { | |
176 | int ret; | |
177 | gboolean matches; | |
178 | char *response; | |
179 | GRegex *version_regex; | |
180 | ||
181 | ret = sr_scpi_get_string(scpi, "ROM?", &response); | |
182 | if (ret != SR_OK && !response) | |
183 | return NULL; | |
184 | ||
185 | /* Example version string: "B01 B01" */ | |
186 | version_regex = g_regex_new("[A-Z][0-9]{2} [A-Z][0-9]{2}", 0, 0, NULL); | |
187 | matches = g_regex_match(version_regex, response, 0, NULL); | |
188 | g_regex_unref(version_regex); | |
189 | ||
190 | if (!matches) { | |
191 | /* Not a valid version string. Ignore it. */ | |
192 | g_free(response); | |
193 | response = NULL; | |
194 | } else { | |
195 | /* Replace space with dot. */ | |
196 | response[3] = '.'; | |
197 | } | |
198 | ||
199 | return response; | |
200 | } | |
201 | ||
202 | /* | |
203 | * This function assumes the response is in the form "HP<model_number>" | |
204 | * | |
205 | * HP made many GPIB (then called HP-IB) instruments before the SCPI command | |
206 | * set was introduced into the standard. We haven't seen any non-HP instruments | |
207 | * which respond to the "ID?" query, so assume all are HP for now. | |
208 | */ | |
209 | static int hpib_get_hw_id(struct sr_scpi_dev_inst *scpi, | |
210 | struct sr_scpi_hw_info **scpi_response) | |
211 | { | |
212 | int ret; | |
213 | char *response; | |
214 | struct sr_scpi_hw_info *hw_info; | |
215 | ||
216 | ret = sr_scpi_get_string(scpi, "ID?", &response); | |
217 | if ((ret != SR_OK) || !response) | |
218 | return SR_ERR; | |
219 | ||
220 | hw_info = g_malloc0(sizeof(struct sr_scpi_hw_info)); | |
221 | ||
222 | *scpi_response = hw_info; | |
223 | hw_info->model = response; | |
224 | hw_info->firmware_version = hpib_get_revision(scpi); | |
225 | hw_info->manufacturer = g_strdup("HP"); | |
226 | ||
227 | return SR_OK; | |
228 | } | |
229 | ||
230 | static struct sr_dev_inst *probe_scpi_pps_device(struct sr_scpi_dev_inst *scpi) | |
231 | { | |
232 | return probe_device(scpi, sr_scpi_get_hw_id); | |
233 | } | |
234 | ||
235 | static struct sr_dev_inst *probe_hpib_pps_device(struct sr_scpi_dev_inst *scpi) | |
236 | { | |
237 | return probe_device(scpi, hpib_get_hw_id); | |
238 | } | |
239 | ||
240 | static GSList *scan_scpi_pps(struct sr_dev_driver *di, GSList *options) | |
241 | { | |
242 | return sr_scpi_scan(di->context, options, probe_scpi_pps_device); | |
243 | } | |
244 | ||
245 | static GSList *scan_hpib_pps(struct sr_dev_driver *di, GSList *options) | |
246 | { | |
247 | return sr_scpi_scan(di->context, options, probe_hpib_pps_device); | |
248 | } | |
249 | ||
250 | static int dev_open(struct sr_dev_inst *sdi) | |
251 | { | |
252 | struct dev_context *devc; | |
253 | struct sr_scpi_dev_inst *scpi; | |
254 | GVariant *beeper; | |
255 | ||
256 | scpi = sdi->conn; | |
257 | if (sr_scpi_open(scpi) < 0) | |
258 | return SR_ERR; | |
259 | ||
260 | devc = sdi->priv; | |
261 | sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_REMOTE); | |
262 | devc->beeper_was_set = FALSE; | |
263 | if (sr_scpi_cmd_resp(sdi, devc->device->commands, 0, NULL, | |
264 | &beeper, G_VARIANT_TYPE_BOOLEAN, SCPI_CMD_BEEPER) == SR_OK) { | |
265 | if (g_variant_get_boolean(beeper)) { | |
266 | devc->beeper_was_set = TRUE; | |
267 | sr_scpi_cmd(sdi, devc->device->commands, | |
268 | 0, NULL, SCPI_CMD_BEEPER_DISABLE); | |
269 | } | |
270 | g_variant_unref(beeper); | |
271 | } | |
272 | ||
273 | return SR_OK; | |
274 | } | |
275 | ||
276 | static int dev_close(struct sr_dev_inst *sdi) | |
277 | { | |
278 | struct sr_scpi_dev_inst *scpi; | |
279 | struct dev_context *devc; | |
280 | ||
281 | devc = sdi->priv; | |
282 | scpi = sdi->conn; | |
283 | ||
284 | if (!scpi) | |
285 | return SR_ERR_BUG; | |
286 | ||
287 | if (devc->beeper_was_set) | |
288 | sr_scpi_cmd(sdi, devc->device->commands, | |
289 | 0, NULL, SCPI_CMD_BEEPER_ENABLE); | |
290 | sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_LOCAL); | |
291 | ||
292 | return sr_scpi_close(scpi); | |
293 | } | |
294 | ||
295 | static void clear_helper(struct dev_context *devc) | |
296 | { | |
297 | g_free(devc->channels); | |
298 | g_free(devc->channel_groups); | |
299 | } | |
300 | ||
301 | static int dev_clear(const struct sr_dev_driver *di) | |
302 | { | |
303 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); | |
304 | } | |
305 | ||
306 | static int config_get(uint32_t key, GVariant **data, | |
307 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
308 | { | |
309 | struct dev_context *devc; | |
310 | const GVariantType *gvtype; | |
311 | unsigned int i; | |
312 | int channel_group_cmd; | |
313 | char *channel_group_name; | |
314 | int cmd, ret; | |
315 | const char *s; | |
316 | ||
317 | if (!sdi) | |
318 | return SR_ERR_ARG; | |
319 | ||
320 | devc = sdi->priv; | |
321 | ||
322 | if (cg) { | |
323 | /* | |
324 | * These options only apply to channel groups with a single | |
325 | * channel -- they're per-channel settings for the device. | |
326 | */ | |
327 | ||
328 | /* | |
329 | * Config keys are handled below depending on whether a channel | |
330 | * group was provided by the frontend. However some of these | |
331 | * take a CG on one PPS but not on others. Check the device's | |
332 | * profile for that here, and NULL out the channel group as needed. | |
333 | */ | |
334 | for (i = 0; i < devc->device->num_devopts; i++) { | |
335 | if (devc->device->devopts[i] == key) { | |
336 | cg = NULL; | |
337 | break; | |
338 | } | |
339 | } | |
340 | } | |
341 | ||
342 | gvtype = NULL; | |
343 | cmd = -1; | |
344 | switch (key) { | |
345 | case SR_CONF_ENABLED: | |
346 | gvtype = G_VARIANT_TYPE_BOOLEAN; | |
347 | cmd = SCPI_CMD_GET_OUTPUT_ENABLED; | |
348 | break; | |
349 | case SR_CONF_VOLTAGE: | |
350 | gvtype = G_VARIANT_TYPE_DOUBLE; | |
351 | cmd = SCPI_CMD_GET_MEAS_VOLTAGE; | |
352 | break; | |
353 | case SR_CONF_VOLTAGE_TARGET: | |
354 | gvtype = G_VARIANT_TYPE_DOUBLE; | |
355 | cmd = SCPI_CMD_GET_VOLTAGE_TARGET; | |
356 | break; | |
357 | case SR_CONF_OUTPUT_FREQUENCY: | |
358 | gvtype = G_VARIANT_TYPE_DOUBLE; | |
359 | cmd = SCPI_CMD_GET_MEAS_FREQUENCY; | |
360 | break; | |
361 | case SR_CONF_OUTPUT_FREQUENCY_TARGET: | |
362 | gvtype = G_VARIANT_TYPE_DOUBLE; | |
363 | cmd = SCPI_CMD_GET_FREQUENCY_TARGET; | |
364 | break; | |
365 | case SR_CONF_CURRENT: | |
366 | gvtype = G_VARIANT_TYPE_DOUBLE; | |
367 | cmd = SCPI_CMD_GET_MEAS_CURRENT; | |
368 | break; | |
369 | case SR_CONF_CURRENT_LIMIT: | |
370 | gvtype = G_VARIANT_TYPE_DOUBLE; | |
371 | cmd = SCPI_CMD_GET_CURRENT_LIMIT; | |
372 | break; | |
373 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: | |
374 | gvtype = G_VARIANT_TYPE_BOOLEAN; | |
375 | cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED; | |
376 | break; | |
377 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE: | |
378 | gvtype = G_VARIANT_TYPE_BOOLEAN; | |
379 | cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE; | |
380 | break; | |
381 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: | |
382 | gvtype = G_VARIANT_TYPE_DOUBLE; | |
383 | cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD; | |
384 | break; | |
385 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: | |
386 | gvtype = G_VARIANT_TYPE_BOOLEAN; | |
387 | cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED; | |
388 | break; | |
389 | case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE: | |
390 | gvtype = G_VARIANT_TYPE_BOOLEAN; | |
391 | cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE; | |
392 | break; | |
393 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: | |
394 | gvtype = G_VARIANT_TYPE_DOUBLE; | |
395 | cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD; | |
396 | break; | |
397 | case SR_CONF_OVER_TEMPERATURE_PROTECTION: | |
398 | gvtype = G_VARIANT_TYPE_BOOLEAN; | |
399 | cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION; | |
400 | break; | |
401 | case SR_CONF_REGULATION: | |
402 | gvtype = G_VARIANT_TYPE_STRING; | |
403 | cmd = SCPI_CMD_GET_OUTPUT_REGULATION; | |
404 | default: | |
405 | return sr_sw_limits_config_get(&devc->limits, key, data); | |
406 | } | |
407 | if (!gvtype) | |
408 | return SR_ERR_NA; | |
409 | ||
410 | channel_group_cmd = 0; | |
411 | channel_group_name = NULL; | |
412 | if (cg) { | |
413 | channel_group_cmd = SCPI_CMD_SELECT_CHANNEL; | |
414 | channel_group_name = g_strdup(cg->name); | |
415 | } | |
416 | ||
417 | ret = sr_scpi_cmd_resp(sdi, devc->device->commands, | |
418 | channel_group_cmd, channel_group_name, data, gvtype, cmd); | |
419 | g_free(channel_group_name); | |
420 | ||
421 | if (cmd == SCPI_CMD_GET_OUTPUT_REGULATION) { | |
422 | /* | |
423 | * The Rigol DP800 series return CV/CC/UR, Philips PM2800 | |
424 | * return VOLT/CURR. We always return a GVariant string in | |
425 | * the Rigol notation. | |
426 | */ | |
427 | s = g_variant_get_string(*data, NULL); | |
428 | if (!strcmp(s, "VOLT")) { | |
429 | g_variant_unref(*data); | |
430 | *data = g_variant_new_string("CV"); | |
431 | } else if (!strcmp(s, "CURR")) { | |
432 | g_variant_unref(*data); | |
433 | *data = g_variant_new_string("CC"); | |
434 | } | |
435 | ||
436 | s = g_variant_get_string(*data, NULL); | |
437 | if (strcmp(s, "CV") && strcmp(s, "CC") && strcmp(s, "UR")) { | |
438 | sr_dbg("Unknown response to SCPI_CMD_GET_OUTPUT_REGULATION: %s", s); | |
439 | ret = SR_ERR_DATA; | |
440 | } | |
441 | } | |
442 | ||
443 | return ret; | |
444 | } | |
445 | ||
446 | static int config_set(uint32_t key, GVariant *data, | |
447 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
448 | { | |
449 | struct dev_context *devc; | |
450 | double d; | |
451 | int channel_group_cmd; | |
452 | char *channel_group_name; | |
453 | int ret; | |
454 | ||
455 | if (!sdi) | |
456 | return SR_ERR_ARG; | |
457 | ||
458 | channel_group_cmd = 0; | |
459 | channel_group_name = NULL; | |
460 | if (cg) { | |
461 | channel_group_cmd = SCPI_CMD_SELECT_CHANNEL; | |
462 | channel_group_name = g_strdup(cg->name); | |
463 | } | |
464 | ||
465 | devc = sdi->priv; | |
466 | ||
467 | switch (key) { | |
468 | case SR_CONF_ENABLED: | |
469 | if (g_variant_get_boolean(data)) | |
470 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
471 | channel_group_cmd, channel_group_name, | |
472 | SCPI_CMD_SET_OUTPUT_ENABLE); | |
473 | else | |
474 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
475 | channel_group_cmd, channel_group_name, | |
476 | SCPI_CMD_SET_OUTPUT_DISABLE); | |
477 | break; | |
478 | case SR_CONF_VOLTAGE_TARGET: | |
479 | d = g_variant_get_double(data); | |
480 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
481 | channel_group_cmd, channel_group_name, | |
482 | SCPI_CMD_SET_VOLTAGE_TARGET, d); | |
483 | break; | |
484 | case SR_CONF_OUTPUT_FREQUENCY_TARGET: | |
485 | d = g_variant_get_double(data); | |
486 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
487 | channel_group_cmd, channel_group_name, | |
488 | SCPI_CMD_SET_FREQUENCY_TARGET, d); | |
489 | break; | |
490 | case SR_CONF_CURRENT_LIMIT: | |
491 | d = g_variant_get_double(data); | |
492 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
493 | channel_group_cmd, channel_group_name, | |
494 | SCPI_CMD_SET_CURRENT_LIMIT, d); | |
495 | break; | |
496 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: | |
497 | if (g_variant_get_boolean(data)) | |
498 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
499 | channel_group_cmd, channel_group_name, | |
500 | SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLE); | |
501 | else | |
502 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
503 | channel_group_cmd, channel_group_name, | |
504 | SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_DISABLE); | |
505 | break; | |
506 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: | |
507 | d = g_variant_get_double(data); | |
508 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
509 | channel_group_cmd, channel_group_name, | |
510 | SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, d); | |
511 | break; | |
512 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: | |
513 | if (g_variant_get_boolean(data)) | |
514 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
515 | channel_group_cmd, channel_group_name, | |
516 | SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLE); | |
517 | else | |
518 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
519 | channel_group_cmd, channel_group_name, | |
520 | SCPI_CMD_SET_OVER_CURRENT_PROTECTION_DISABLE); | |
521 | break; | |
522 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: | |
523 | d = g_variant_get_double(data); | |
524 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
525 | channel_group_cmd, channel_group_name, | |
526 | SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, d); | |
527 | break; | |
528 | case SR_CONF_OVER_TEMPERATURE_PROTECTION: | |
529 | if (g_variant_get_boolean(data)) | |
530 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
531 | channel_group_cmd, channel_group_name, | |
532 | SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_ENABLE); | |
533 | else | |
534 | ret = sr_scpi_cmd(sdi, devc->device->commands, | |
535 | channel_group_cmd, channel_group_name, | |
536 | SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_DISABLE); | |
537 | break; | |
538 | default: | |
539 | ret = sr_sw_limits_config_set(&devc->limits, key, data); | |
540 | } | |
541 | ||
542 | g_free(channel_group_name); | |
543 | ||
544 | return ret; | |
545 | } | |
546 | ||
547 | static int config_list(uint32_t key, GVariant **data, | |
548 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
549 | { | |
550 | struct dev_context *devc; | |
551 | struct sr_channel *ch; | |
552 | const struct channel_spec *ch_spec; | |
553 | int i; | |
554 | const char *s[16]; | |
555 | ||
556 | devc = (sdi) ? sdi->priv : NULL; | |
557 | ||
558 | if (!cg) { | |
559 | switch (key) { | |
560 | case SR_CONF_SCAN_OPTIONS: | |
561 | case SR_CONF_DEVICE_OPTIONS: | |
562 | return std_opts_config_list(key, data, sdi, cg, | |
563 | ARRAY_AND_SIZE(scanopts), | |
564 | ARRAY_AND_SIZE(drvopts), | |
565 | (devc && devc->device) ? devc->device->devopts : NULL, | |
566 | (devc && devc->device) ? devc->device->num_devopts : 0); | |
567 | break; | |
568 | case SR_CONF_CHANNEL_CONFIG: | |
569 | if (!devc || !devc->device) | |
570 | return SR_ERR_ARG; | |
571 | /* Not used. */ | |
572 | i = 0; | |
573 | if (devc->device->features & PPS_INDEPENDENT) | |
574 | s[i++] = "Independent"; | |
575 | if (devc->device->features & PPS_SERIES) | |
576 | s[i++] = "Series"; | |
577 | if (devc->device->features & PPS_PARALLEL) | |
578 | s[i++] = "Parallel"; | |
579 | if (i == 0) { | |
580 | /* | |
581 | * Shouldn't happen: independent-only devices | |
582 | * shouldn't advertise this option at all. | |
583 | */ | |
584 | return SR_ERR_NA; | |
585 | } | |
586 | *data = g_variant_new_strv(s, i); | |
587 | break; | |
588 | default: | |
589 | return SR_ERR_NA; | |
590 | } | |
591 | } else { | |
592 | /* | |
593 | * Per-channel-group options depending on a channel are actually | |
594 | * done with the first channel. Channel groups in PPS can have | |
595 | * more than one channel, but they will typically be of equal | |
596 | * specification for use in series or parallel mode. | |
597 | */ | |
598 | ch = cg->channels->data; | |
599 | if (!devc || !devc->device) | |
600 | return SR_ERR_ARG; | |
601 | ch_spec = &(devc->device->channels[ch->index]); | |
602 | ||
603 | switch (key) { | |
604 | case SR_CONF_DEVICE_OPTIONS: | |
605 | *data = std_gvar_array_u32(devc->device->devopts_cg, devc->device->num_devopts_cg); | |
606 | break; | |
607 | case SR_CONF_VOLTAGE_TARGET: | |
608 | *data = std_gvar_min_max_step_array(ch_spec->voltage); | |
609 | break; | |
610 | case SR_CONF_OUTPUT_FREQUENCY_TARGET: | |
611 | *data = std_gvar_min_max_step_array(ch_spec->frequency); | |
612 | break; | |
613 | case SR_CONF_CURRENT_LIMIT: | |
614 | *data = std_gvar_min_max_step_array(ch_spec->current); | |
615 | break; | |
616 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: | |
617 | *data = std_gvar_min_max_step_array(ch_spec->ovp); | |
618 | break; | |
619 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: | |
620 | *data = std_gvar_min_max_step_array(ch_spec->ocp); | |
621 | break; | |
622 | default: | |
623 | return SR_ERR_NA; | |
624 | } | |
625 | } | |
626 | ||
627 | return SR_OK; | |
628 | } | |
629 | ||
630 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
631 | { | |
632 | struct dev_context *devc; | |
633 | struct sr_scpi_dev_inst *scpi; | |
634 | int ret; | |
635 | ||
636 | devc = sdi->priv; | |
637 | scpi = sdi->conn; | |
638 | ||
639 | /* Prime the pipe with the first channel. */ | |
640 | devc->cur_acquisition_channel = sr_next_enabled_channel(sdi, NULL); | |
641 | ||
642 | if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10, | |
643 | scpi_pps_receive_data, (void *)sdi)) != SR_OK) | |
644 | return ret; | |
645 | std_session_send_df_header(sdi); | |
646 | sr_sw_limits_acquisition_start(&devc->limits); | |
647 | ||
648 | return SR_OK; | |
649 | } | |
650 | ||
651 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
652 | { | |
653 | struct sr_scpi_dev_inst *scpi; | |
654 | ||
655 | scpi = sdi->conn; | |
656 | ||
657 | sr_scpi_source_remove(sdi->session, scpi); | |
658 | ||
659 | std_session_send_df_end(sdi); | |
660 | ||
661 | return SR_OK; | |
662 | } | |
663 | ||
664 | static struct sr_dev_driver scpi_pps_driver_info = { | |
665 | .name = "scpi-pps", | |
666 | .longname = "SCPI PPS", | |
667 | .api_version = 1, | |
668 | .init = std_init, | |
669 | .cleanup = std_cleanup, | |
670 | .scan = scan_scpi_pps, | |
671 | .dev_list = std_dev_list, | |
672 | .dev_clear = dev_clear, | |
673 | .config_get = config_get, | |
674 | .config_set = config_set, | |
675 | .config_list = config_list, | |
676 | .dev_open = dev_open, | |
677 | .dev_close = dev_close, | |
678 | .dev_acquisition_start = dev_acquisition_start, | |
679 | .dev_acquisition_stop = dev_acquisition_stop, | |
680 | .context = NULL, | |
681 | }; | |
682 | ||
683 | static struct sr_dev_driver hp_ib_pps_driver_info = { | |
684 | .name = "hpib-pps", | |
685 | .longname = "HP-IB PPS", | |
686 | .api_version = 1, | |
687 | .init = std_init, | |
688 | .cleanup = std_cleanup, | |
689 | .scan = scan_hpib_pps, | |
690 | .dev_list = std_dev_list, | |
691 | .dev_clear = dev_clear, | |
692 | .config_get = config_get, | |
693 | .config_set = config_set, | |
694 | .config_list = config_list, | |
695 | .dev_open = dev_open, | |
696 | .dev_close = dev_close, | |
697 | .dev_acquisition_start = dev_acquisition_start, | |
698 | .dev_acquisition_stop = dev_acquisition_stop, | |
699 | .context = NULL, | |
700 | }; | |
701 | SR_REGISTER_DEV_DRIVER(scpi_pps_driver_info); | |
702 | SR_REGISTER_DEV_DRIVER(hp_ib_pps_driver_info); |