2 * This file is part of the libsigrok project.
4 * Copyright (C) 2014 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2017,2019 Frank Stettner <frank-stettner@gmx.net>
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.
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.
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/>.
27 static struct sr_dev_driver scpi_pps_driver_info;
28 static struct sr_dev_driver hp_ib_pps_driver_info;
30 static const uint32_t scanopts[] = {
35 static const uint32_t drvopts[] = {
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" },
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))
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;
64 unsigned int num_channels, num_channel_groups, ch_num, ch_idx, i, j;
69 if (get_hw_id(scpi, &hw_info) != SR_OK) {
70 sr_info("Couldn't get IDN response.");
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))
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);
88 sr_scpi_hw_info_free(hw_info);
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);
97 sdi->driver = &scpi_pps_driver_info;
98 sdi->inst_type = SR_INST_SCPI;
99 sdi->serial_num = g_strdup(hw_info->serial_number);
101 devc = g_malloc0(sizeof(struct dev_context));
102 devc->device = device;
103 sr_sw_limits_init(&devc->limits);
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;
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);
117 sr_err("Failed to probe for channels.");
121 * Since these were dynamically allocated, we'll need to free them
124 devc->channels = channels;
125 devc->channel_groups = channel_groups;
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))
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,
138 pch = g_malloc0(sizeof(struct pps_channel));
139 pch->hw_output_idx = ch_num;
140 pch->hwname = channels[ch_num].name;
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) {
155 /* Add mqflags from channel_group_spec only to voltage
156 * and current channels
158 if (pch->mq == SR_MQ_VOLTAGE || pch->mq == SR_MQ_CURRENT)
159 pch->mqflags = cgs->mqflags;
162 if (pch->hw_output_idx == j)
163 cg->channels = g_slist_append(cg->channels, ch);
167 pcg = g_malloc0(sizeof(struct pps_channel_group));
168 pcg->features = cgs->features;
170 sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
173 sr_scpi_hw_info_free(hw_info);
176 sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_LOCAL);
181 static gchar *hpib_get_revision(struct sr_scpi_dev_inst *scpi)
186 GRegex *version_regex;
188 ret = sr_scpi_get_string(scpi, "ROM?", &response);
189 if (ret != SR_OK && !response)
192 /* Example version string: "B01 B01" */
193 version_regex = g_regex_new("[A-Z][0-9]{2} [A-Z][0-9]{2}", 0, 0, NULL);
194 matches = g_regex_match(version_regex, response, 0, NULL);
195 g_regex_unref(version_regex);
198 /* Not a valid version string. Ignore it. */
202 /* Replace space with dot. */
210 * This function assumes the response is in the form "HP<model_number>"
212 * HP made many GPIB (then called HP-IB) instruments before the SCPI command
213 * set was introduced into the standard. We haven't seen any non-HP instruments
214 * which respond to the "ID?" query, so assume all are HP for now.
216 static int hpib_get_hw_id(struct sr_scpi_dev_inst *scpi,
217 struct sr_scpi_hw_info **scpi_response)
221 struct sr_scpi_hw_info *hw_info;
223 ret = sr_scpi_get_string(scpi, "ID?", &response);
224 if ((ret != SR_OK) || !response)
227 hw_info = g_malloc0(sizeof(struct sr_scpi_hw_info));
229 *scpi_response = hw_info;
230 hw_info->model = response;
231 hw_info->firmware_version = hpib_get_revision(scpi);
232 hw_info->manufacturer = g_strdup("HP");
237 static struct sr_dev_inst *probe_scpi_pps_device(struct sr_scpi_dev_inst *scpi)
239 return probe_device(scpi, sr_scpi_get_hw_id);
242 static struct sr_dev_inst *probe_hpib_pps_device(struct sr_scpi_dev_inst *scpi)
244 return probe_device(scpi, hpib_get_hw_id);
247 static GSList *scan_scpi_pps(struct sr_dev_driver *di, GSList *options)
249 return sr_scpi_scan(di->context, options, probe_scpi_pps_device);
252 static GSList *scan_hpib_pps(struct sr_dev_driver *di, GSList *options)
254 return sr_scpi_scan(di->context, options, probe_hpib_pps_device);
257 static int dev_open(struct sr_dev_inst *sdi)
259 struct dev_context *devc;
260 struct sr_scpi_dev_inst *scpi;
264 if (sr_scpi_open(scpi) < 0)
268 sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_REMOTE);
269 devc->beeper_was_set = FALSE;
270 if (sr_scpi_cmd_resp(sdi, devc->device->commands, 0, NULL,
271 &beeper, G_VARIANT_TYPE_BOOLEAN, SCPI_CMD_BEEPER) == SR_OK) {
272 if (g_variant_get_boolean(beeper)) {
273 devc->beeper_was_set = TRUE;
274 sr_scpi_cmd(sdi, devc->device->commands,
275 0, NULL, SCPI_CMD_BEEPER_DISABLE);
277 g_variant_unref(beeper);
283 static int dev_close(struct sr_dev_inst *sdi)
285 struct sr_scpi_dev_inst *scpi;
286 struct dev_context *devc;
294 if (devc->beeper_was_set)
295 sr_scpi_cmd(sdi, devc->device->commands,
296 0, NULL, SCPI_CMD_BEEPER_ENABLE);
297 sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_LOCAL);
299 return sr_scpi_close(scpi);
302 static void clear_helper(struct dev_context *devc)
304 g_free(devc->channels);
305 g_free(devc->channel_groups);
308 static int dev_clear(const struct sr_dev_driver *di)
310 return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
313 static int config_get(uint32_t key, GVariant **data,
314 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
316 struct dev_context *devc;
317 const GVariantType *gvtype;
319 int channel_group_cmd;
320 char *channel_group_name;
332 * These options only apply to channel groups with a single
333 * channel -- they're per-channel settings for the device.
337 * Config keys are handled below depending on whether a channel
338 * group was provided by the frontend. However some of these
339 * take a CG on one PPS but not on others. Check the device's
340 * profile for that here, and NULL out the channel group as needed.
342 for (i = 0; i < devc->device->num_devopts; i++) {
343 if (devc->device->devopts[i] == key) {
353 case SR_CONF_ENABLED:
354 gvtype = G_VARIANT_TYPE_BOOLEAN;
355 cmd = SCPI_CMD_GET_OUTPUT_ENABLED;
357 case SR_CONF_VOLTAGE:
358 gvtype = G_VARIANT_TYPE_DOUBLE;
359 cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
361 case SR_CONF_VOLTAGE_TARGET:
362 gvtype = G_VARIANT_TYPE_DOUBLE;
363 cmd = SCPI_CMD_GET_VOLTAGE_TARGET;
365 case SR_CONF_OUTPUT_FREQUENCY:
366 gvtype = G_VARIANT_TYPE_DOUBLE;
367 cmd = SCPI_CMD_GET_MEAS_FREQUENCY;
369 case SR_CONF_OUTPUT_FREQUENCY_TARGET:
370 gvtype = G_VARIANT_TYPE_DOUBLE;
371 cmd = SCPI_CMD_GET_FREQUENCY_TARGET;
373 case SR_CONF_CURRENT:
374 gvtype = G_VARIANT_TYPE_DOUBLE;
375 cmd = SCPI_CMD_GET_MEAS_CURRENT;
377 case SR_CONF_CURRENT_LIMIT:
378 gvtype = G_VARIANT_TYPE_DOUBLE;
379 cmd = SCPI_CMD_GET_CURRENT_LIMIT;
381 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
382 gvtype = G_VARIANT_TYPE_BOOLEAN;
383 cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED;
385 case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
386 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB)
387 gvtype = G_VARIANT_TYPE_STRING;
389 gvtype = G_VARIANT_TYPE_BOOLEAN;
390 cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE;
392 case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
393 gvtype = G_VARIANT_TYPE_DOUBLE;
394 cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD;
396 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
397 gvtype = G_VARIANT_TYPE_BOOLEAN;
398 cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED;
400 case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
401 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB)
402 gvtype = G_VARIANT_TYPE_STRING;
404 gvtype = G_VARIANT_TYPE_BOOLEAN;
405 cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE;
407 case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
408 gvtype = G_VARIANT_TYPE_DOUBLE;
409 cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD;
411 case SR_CONF_OVER_TEMPERATURE_PROTECTION:
412 gvtype = G_VARIANT_TYPE_BOOLEAN;
413 cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION;
415 case SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE:
416 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB)
417 gvtype = G_VARIANT_TYPE_STRING;
419 gvtype = G_VARIANT_TYPE_BOOLEAN;
420 cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION_ACTIVE;
422 case SR_CONF_REGULATION:
423 gvtype = G_VARIANT_TYPE_STRING;
424 cmd = SCPI_CMD_GET_OUTPUT_REGULATION;
427 return sr_sw_limits_config_get(&devc->limits, key, data);
432 channel_group_cmd = 0;
433 channel_group_name = NULL;
435 channel_group_cmd = SCPI_CMD_SELECT_CHANNEL;
436 channel_group_name = g_strdup(cg->name);
439 ret = sr_scpi_cmd_resp(sdi, devc->device->commands,
440 channel_group_cmd, channel_group_name, data, gvtype, cmd);
441 g_free(channel_group_name);
444 * Handle special cases
447 if (cmd == SCPI_CMD_GET_OUTPUT_REGULATION) {
448 if (devc->device->dialect == SCPI_DIALECT_PHILIPS) {
450 * The Philips PM2800 series returns VOLT/CURR. We always return
451 * a GVariant string in the Rigol notation (CV/CC/UR).
453 s = g_variant_get_string(*data, NULL);
454 if (!g_strcmp0(s, "VOLT")) {
455 g_variant_unref(*data);
456 *data = g_variant_new_string("CV");
457 } else if (!g_strcmp0(s, "CURR")) {
458 g_variant_unref(*data);
459 *data = g_variant_new_string("CC");
462 if (devc->device->dialect == SCPI_DIALECT_HP_COMP) {
463 /* Evaluate Status Register from a HP 66xx in COMP mode. */
464 s = g_variant_get_string(*data, NULL);
466 g_variant_unref(*data);
468 *data = g_variant_new_string("CV");
469 else if (reg & (1 << 1))
470 *data = g_variant_new_string("CC");
471 else if (reg & (1 << 2))
472 *data = g_variant_new_string("UR");
473 else if (reg & (1 << 9))
474 *data = g_variant_new_string("CC-");
476 *data = g_variant_new_string("");
478 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) {
479 /* Evaluate Operational Status Register from a HP 66xxB. */
480 s = g_variant_get_string(*data, NULL);
482 g_variant_unref(*data);
484 *data = g_variant_new_string("CV");
485 else if (reg & (1 << 10))
486 *data = g_variant_new_string("CC");
487 else if (reg & (1 << 11))
488 *data = g_variant_new_string("CC-");
490 *data = g_variant_new_string("UR");
493 s = g_variant_get_string(*data, NULL);
494 if (g_strcmp0(s, "CV") && g_strcmp0(s, "CC") && g_strcmp0(s, "CC-") &&
495 g_strcmp0(s, "UR") && g_strcmp0(s, "")) {
497 sr_err("Unknown response to SCPI_CMD_GET_OUTPUT_REGULATION: %s", s);
502 if (cmd == SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE) {
503 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) {
504 /* Evaluate Questionable Status Register bit 0 from a HP 66xxB. */
505 s = g_variant_get_string(*data, NULL);
507 g_variant_unref(*data);
508 *data = g_variant_new_boolean(reg & (1 << 0));
512 if (cmd == SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE) {
513 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) {
514 /* Evaluate Questionable Status Register bit 1 from a HP 66xxB. */
515 s = g_variant_get_string(*data, NULL);
517 g_variant_unref(*data);
518 *data = g_variant_new_boolean(reg & (1 << 1));
522 if (cmd == SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION_ACTIVE) {
523 if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) {
524 /* Evaluate Questionable Status Register bit 4 from a HP 66xxB. */
525 s = g_variant_get_string(*data, NULL);
527 g_variant_unref(*data);
528 *data = g_variant_new_boolean(reg & (1 << 4));
535 static int config_set(uint32_t key, GVariant *data,
536 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
538 struct dev_context *devc;
540 int channel_group_cmd;
541 char *channel_group_name;
547 channel_group_cmd = 0;
548 channel_group_name = NULL;
550 channel_group_cmd = SCPI_CMD_SELECT_CHANNEL;
551 channel_group_name = g_strdup(cg->name);
557 case SR_CONF_ENABLED:
558 if (g_variant_get_boolean(data))
559 ret = sr_scpi_cmd(sdi, devc->device->commands,
560 channel_group_cmd, channel_group_name,
561 SCPI_CMD_SET_OUTPUT_ENABLE);
563 ret = sr_scpi_cmd(sdi, devc->device->commands,
564 channel_group_cmd, channel_group_name,
565 SCPI_CMD_SET_OUTPUT_DISABLE);
567 case SR_CONF_VOLTAGE_TARGET:
568 d = g_variant_get_double(data);
569 ret = sr_scpi_cmd(sdi, devc->device->commands,
570 channel_group_cmd, channel_group_name,
571 SCPI_CMD_SET_VOLTAGE_TARGET, d);
573 case SR_CONF_OUTPUT_FREQUENCY_TARGET:
574 d = g_variant_get_double(data);
575 ret = sr_scpi_cmd(sdi, devc->device->commands,
576 channel_group_cmd, channel_group_name,
577 SCPI_CMD_SET_FREQUENCY_TARGET, d);
579 case SR_CONF_CURRENT_LIMIT:
580 d = g_variant_get_double(data);
581 ret = sr_scpi_cmd(sdi, devc->device->commands,
582 channel_group_cmd, channel_group_name,
583 SCPI_CMD_SET_CURRENT_LIMIT, d);
585 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
586 if (g_variant_get_boolean(data))
587 ret = sr_scpi_cmd(sdi, devc->device->commands,
588 channel_group_cmd, channel_group_name,
589 SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLE);
591 ret = sr_scpi_cmd(sdi, devc->device->commands,
592 channel_group_cmd, channel_group_name,
593 SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_DISABLE);
595 case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
596 d = g_variant_get_double(data);
597 ret = sr_scpi_cmd(sdi, devc->device->commands,
598 channel_group_cmd, channel_group_name,
599 SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, d);
601 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
602 if (g_variant_get_boolean(data))
603 ret = sr_scpi_cmd(sdi, devc->device->commands,
604 channel_group_cmd, channel_group_name,
605 SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLE);
607 ret = sr_scpi_cmd(sdi, devc->device->commands,
608 channel_group_cmd, channel_group_name,
609 SCPI_CMD_SET_OVER_CURRENT_PROTECTION_DISABLE);
611 case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
612 d = g_variant_get_double(data);
613 ret = sr_scpi_cmd(sdi, devc->device->commands,
614 channel_group_cmd, channel_group_name,
615 SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, d);
617 case SR_CONF_OVER_TEMPERATURE_PROTECTION:
618 if (g_variant_get_boolean(data))
619 ret = sr_scpi_cmd(sdi, devc->device->commands,
620 channel_group_cmd, channel_group_name,
621 SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_ENABLE);
623 ret = sr_scpi_cmd(sdi, devc->device->commands,
624 channel_group_cmd, channel_group_name,
625 SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_DISABLE);
628 ret = sr_sw_limits_config_set(&devc->limits, key, data);
631 g_free(channel_group_name);
636 static int config_list(uint32_t key, GVariant **data,
637 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
639 struct dev_context *devc;
640 struct sr_channel *ch;
641 const struct channel_spec *ch_spec;
645 devc = (sdi) ? sdi->priv : NULL;
649 case SR_CONF_SCAN_OPTIONS:
650 case SR_CONF_DEVICE_OPTIONS:
651 return std_opts_config_list(key, data, sdi, cg,
652 ARRAY_AND_SIZE(scanopts),
653 ARRAY_AND_SIZE(drvopts),
654 (devc && devc->device) ? devc->device->devopts : NULL,
655 (devc && devc->device) ? devc->device->num_devopts : 0);
657 case SR_CONF_CHANNEL_CONFIG:
658 if (!devc || !devc->device)
662 if (devc->device->features & PPS_INDEPENDENT)
663 s[i++] = "Independent";
664 if (devc->device->features & PPS_SERIES)
666 if (devc->device->features & PPS_PARALLEL)
670 * Shouldn't happen: independent-only devices
671 * shouldn't advertise this option at all.
675 *data = g_variant_new_strv(s, i);
682 * Per-channel-group options depending on a channel are actually
683 * done with the first channel. Channel groups in PPS can have
684 * more than one channel, but they will typically be of equal
685 * specification for use in series or parallel mode.
687 ch = cg->channels->data;
688 if (!devc || !devc->device)
690 ch_spec = &(devc->device->channels[ch->index]);
693 case SR_CONF_DEVICE_OPTIONS:
694 *data = std_gvar_array_u32(devc->device->devopts_cg, devc->device->num_devopts_cg);
696 case SR_CONF_VOLTAGE_TARGET:
697 *data = std_gvar_min_max_step_array(ch_spec->voltage);
699 case SR_CONF_OUTPUT_FREQUENCY_TARGET:
700 *data = std_gvar_min_max_step_array(ch_spec->frequency);
702 case SR_CONF_CURRENT_LIMIT:
703 *data = std_gvar_min_max_step_array(ch_spec->current);
705 case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
706 *data = std_gvar_min_max_step_array(ch_spec->ovp);
708 case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
709 *data = std_gvar_min_max_step_array(ch_spec->ocp);
719 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
721 struct dev_context *devc;
722 struct sr_scpi_dev_inst *scpi;
728 /* Prime the pipe with the first channel. */
729 devc->cur_acquisition_channel = sr_next_enabled_channel(sdi, NULL);
731 /* Device specific initialization before aquisition starts. */
732 if (devc->device->init_aquisition)
733 devc->device->init_aquisition(sdi);
735 if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
736 scpi_pps_receive_data, (void *)sdi)) != SR_OK)
738 std_session_send_df_header(sdi);
739 sr_sw_limits_acquisition_start(&devc->limits);
744 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
746 struct sr_scpi_dev_inst *scpi;
750 sr_scpi_source_remove(sdi->session, scpi);
752 std_session_send_df_end(sdi);
757 static struct sr_dev_driver scpi_pps_driver_info = {
759 .longname = "SCPI PPS",
762 .cleanup = std_cleanup,
763 .scan = scan_scpi_pps,
764 .dev_list = std_dev_list,
765 .dev_clear = dev_clear,
766 .config_get = config_get,
767 .config_set = config_set,
768 .config_list = config_list,
769 .dev_open = dev_open,
770 .dev_close = dev_close,
771 .dev_acquisition_start = dev_acquisition_start,
772 .dev_acquisition_stop = dev_acquisition_stop,
776 static struct sr_dev_driver hp_ib_pps_driver_info = {
778 .longname = "HP-IB PPS",
781 .cleanup = std_cleanup,
782 .scan = scan_hpib_pps,
783 .dev_list = std_dev_list,
784 .dev_clear = dev_clear,
785 .config_get = config_get,
786 .config_set = config_set,
787 .config_list = config_list,
788 .dev_open = dev_open,
789 .dev_close = dev_close,
790 .dev_acquisition_start = dev_acquisition_start,
791 .dev_acquisition_stop = dev_acquisition_stop,
794 SR_REGISTER_DEV_DRIVER(scpi_pps_driver_info);
795 SR_REGISTER_DEV_DRIVER(hp_ib_pps_driver_info);