2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com>
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.
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.
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/>.
24 static const char *hameg_scpi_dialect[] = {
25 [SCPI_CMD_GET_DIG_DATA] = ":POD%d:DATA?",
26 [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?",
27 [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s",
28 [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
29 [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
30 [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?",
31 [SCPI_CMD_GET_SAMPLE_RATE_LIVE] = ":%s:DATA:POINTS?",
32 [SCPI_CMD_GET_ANALOG_DATA] = ":CHAN%d:DATA?",
33 [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?",
34 [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %s",
35 [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?",
36 [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d",
37 [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
38 [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP %s",
39 [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?",
40 [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
41 [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
42 [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
43 [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?",
44 [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
45 [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s",
46 [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
47 [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
50 static const uint32_t hmo_devopts[] = {
52 SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET,
53 SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
54 SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
55 SR_CONF_NUM_HDIV | SR_CONF_GET,
56 SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
57 SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET,
58 SR_CONF_SAMPLERATE | SR_CONF_GET,
61 static const uint32_t hmo_analog_devopts[] = {
62 SR_CONF_NUM_VDIV | SR_CONF_GET,
63 SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
64 SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
67 static const char *hmo_coupling_options[] = {
76 static const char *scope_trigger_slopes[] = {
82 static const char *hmo_compact2_trigger_sources[] = {
98 static const char *hmo_compact4_trigger_sources[] = {
116 static const uint64_t hmo_timebases[][2] = {
155 static const uint64_t hmo_vdivs[][2] = {
173 static const char *scope_analog_channel_names[] = {
180 static const char *scope_digital_channel_names[] = {
199 static const struct scope_config scope_models[] = {
201 .name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
202 .analog_channels = 2,
203 .digital_channels = 8,
206 .analog_names = &scope_analog_channel_names,
207 .digital_names = &scope_digital_channel_names,
209 .devopts = &hmo_devopts,
210 .num_devopts = ARRAY_SIZE(hmo_devopts),
212 .analog_devopts = &hmo_analog_devopts,
213 .num_analog_devopts = ARRAY_SIZE(hmo_analog_devopts),
215 .coupling_options = &hmo_coupling_options,
216 .trigger_sources = &hmo_compact2_trigger_sources,
217 .trigger_slopes = &scope_trigger_slopes,
219 .timebases = &hmo_timebases,
220 .num_timebases = ARRAY_SIZE(hmo_timebases),
223 .num_vdivs = ARRAY_SIZE(hmo_vdivs),
228 .scpi_dialect = &hameg_scpi_dialect,
231 .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
232 .analog_channels = 4,
233 .digital_channels = 8,
236 .analog_names = &scope_analog_channel_names,
237 .digital_names = &scope_digital_channel_names,
239 .devopts = &hmo_devopts,
240 .num_devopts = ARRAY_SIZE(hmo_devopts),
242 .analog_devopts = &hmo_analog_devopts,
243 .num_analog_devopts = ARRAY_SIZE(hmo_analog_devopts),
245 .coupling_options = &hmo_coupling_options,
246 .trigger_sources = &hmo_compact4_trigger_sources,
247 .trigger_slopes = &scope_trigger_slopes,
249 .timebases = &hmo_timebases,
250 .num_timebases = ARRAY_SIZE(hmo_timebases),
253 .num_vdivs = ARRAY_SIZE(hmo_vdivs),
258 .scpi_dialect = &hameg_scpi_dialect,
262 static void scope_state_dump(const struct scope_config *config,
263 struct scope_state *state)
268 for (i = 0; i < config->analog_channels; i++) {
269 tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0],
270 (*config->vdivs)[state->analog_channels[i].vdiv][1]);
271 sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)",
272 i + 1, state->analog_channels[i].state ? "On" : "Off",
273 (*config->coupling_options)[state->analog_channels[i].coupling],
274 tmp, state->analog_channels[i].vertical_offset);
277 for (i = 0; i < config->digital_channels; i++) {
278 sr_info("State of digital channel %d -> %s", i,
279 state->digital_channels[i] ? "On" : "Off");
282 for (i = 0; i < config->digital_pods; i++) {
283 sr_info("State of digital POD %d -> %s", i,
284 state->digital_pods[i] ? "On" : "Off");
287 tmp = sr_period_string((*config->timebases)[state->timebase][0] *
288 (*config->timebases)[state->timebase][1]);
289 sr_info("Current timebase: %s", tmp);
292 tmp = sr_samplerate_string(state->sample_rate);
293 sr_info("Current samplerate: %s", tmp);
296 sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)",
297 (*config->trigger_sources)[state->trigger_source],
298 (*config->trigger_slopes)[state->trigger_slope],
299 state->horiz_triggerpos);
302 static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi,
303 const char *command, const char *(*array)[], int *result)
308 if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) {
313 for (i = 0; (*array)[i]; i++) {
314 if (!g_strcmp0(tmp, (*array)[i])) {
330 static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi,
331 const struct scope_config *config,
332 struct scope_state *state)
336 char command[MAX_COMMAND_SIZE];
338 for (i = 0; i < config->analog_channels; i++) {
339 g_snprintf(command, sizeof(command),
340 (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
343 if (sr_scpi_get_bool(scpi, command,
344 &state->analog_channels[i].state) != SR_OK)
347 g_snprintf(command, sizeof(command),
348 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV],
351 if (sr_scpi_get_float(scpi, command, &tmp_float) != SR_OK)
353 for (j = 0; j < config->num_vdivs; j++) {
354 if (tmp_float == ((float) (*config->vdivs)[j][0] /
355 (*config->vdivs)[j][1])) {
356 state->analog_channels[i].vdiv = j;
360 if (j == config->num_vdivs) {
361 sr_err("Could not determine array index for vertical div scale.");
365 g_snprintf(command, sizeof(command),
366 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
369 if (sr_scpi_get_float(scpi, command,
370 &state->analog_channels[i].vertical_offset) != SR_OK)
373 g_snprintf(command, sizeof(command),
374 (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
377 if (scope_state_get_array_option(scpi, command, config->coupling_options,
378 &state->analog_channels[i].coupling) != SR_OK)
385 static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi,
386 const struct scope_config *config,
387 struct scope_state *state)
390 char command[MAX_COMMAND_SIZE];
392 for (i = 0; i < config->digital_channels; i++) {
393 g_snprintf(command, sizeof(command),
394 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE],
397 if (sr_scpi_get_bool(scpi, command,
398 &state->digital_channels[i]) != SR_OK)
402 for (i = 0; i < config->digital_pods; i++) {
403 g_snprintf(command, sizeof(command),
404 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE],
407 if (sr_scpi_get_bool(scpi, command,
408 &state->digital_pods[i]) != SR_OK)
415 SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi)
417 struct dev_context *devc;
418 struct scope_state *state;
419 const struct scope_config *config;
424 gboolean channel_found;
425 char tmp_str[MAX_COMMAND_SIZE];
429 config = devc->model_config;
430 state = devc->model_state;
431 channel_found = FALSE;
433 for (i = 0; i < config->analog_channels; i++) {
434 if (state->analog_channels[i].state) {
435 g_snprintf(chan_name, sizeof(chan_name), "CHAN%d", i + 1);
436 g_snprintf(tmp_str, sizeof(tmp_str),
437 (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE],
439 channel_found = TRUE;
444 if (!channel_found) {
445 for (i = 0; i < config->digital_pods; i++) {
446 if (state->digital_pods[i]) {
447 g_snprintf(chan_name, sizeof(chan_name), "POD%d", i);
448 g_snprintf(tmp_str, sizeof(tmp_str),
449 (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE],
451 channel_found = TRUE;
457 /* No channel is active, ask the instrument for the sample rate
458 * in single shot mode */
459 if (!channel_found) {
460 if (sr_scpi_get_float(sdi->conn,
461 (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE],
462 &tmp_float) != SR_OK)
465 state->sample_rate = tmp_float;
467 if (sr_scpi_get_int(sdi->conn, tmp_str, &tmp) != SR_OK)
469 state->sample_rate = tmp / (((float) (*config->timebases)[state->timebase][0] /
470 (*config->timebases)[state->timebase][1]) *
477 SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi)
479 struct dev_context *devc;
480 struct scope_state *state;
481 const struct scope_config *config;
486 config = devc->model_config;
487 state = devc->model_state;
489 sr_info("Fetching scope state");
491 if (analog_channel_state_get(sdi->conn, config, state) != SR_OK)
494 if (digital_channel_state_get(sdi->conn, config, state) != SR_OK)
497 if (sr_scpi_get_float(sdi->conn,
498 (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
499 &tmp_float) != SR_OK)
502 for (i = 0; i < config->num_timebases; i++) {
503 if (tmp_float == ((float) (*config->timebases)[i][0] /
504 (*config->timebases)[i][1])) {
509 if (i == config->num_timebases) {
510 sr_err("Could not determine array index for time base.");
514 if (sr_scpi_get_float(sdi->conn,
515 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
516 &tmp_float) != SR_OK)
518 state->horiz_triggerpos = tmp_float /
519 (((double) (*config->timebases)[state->timebase][0] /
520 (*config->timebases)[state->timebase][1]) * config->num_xdivs);
521 state->horiz_triggerpos -= 0.5;
522 state->horiz_triggerpos *= -1;
524 if (scope_state_get_array_option(sdi->conn,
525 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE],
526 config->trigger_sources, &state->trigger_source) != SR_OK)
529 if (scope_state_get_array_option(sdi->conn,
530 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE],
531 config->trigger_slopes, &state->trigger_slope) != SR_OK)
534 if (hmo_update_sample_rate(sdi) != SR_OK)
537 sr_info("Fetching finished.");
539 scope_state_dump(config, state);
544 static struct scope_state *scope_state_new(const struct scope_config *config)
546 struct scope_state *state;
548 state = g_malloc0(sizeof(struct scope_state));
549 state->analog_channels = g_malloc0_n(config->analog_channels,
550 sizeof(struct analog_channel_state));
551 state->digital_channels = g_malloc0_n(
552 config->digital_channels, sizeof(gboolean));
553 state->digital_pods = g_malloc0_n(config->digital_pods,
559 SR_PRIV void hmo_scope_state_free(struct scope_state *state)
561 g_free(state->analog_channels);
562 g_free(state->digital_channels);
563 g_free(state->digital_pods);
567 SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
572 struct sr_channel *ch;
573 struct dev_context *devc;
578 /* Find the exact model. */
579 for (i = 0; i < ARRAY_SIZE(scope_models); i++) {
580 for (j = 0; scope_models[i].name[j]; j++) {
581 if (!strcmp(sdi->model, scope_models[i].name[j])) {
586 if (model_index != -1)
590 if (model_index == -1) {
591 sr_dbg("Unsupported HMO device.");
595 devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) *
596 scope_models[model_index].analog_channels);
598 devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) *
599 scope_models[model_index].digital_pods);
601 /* Add analog channels. */
602 for (i = 0; i < scope_models[model_index].analog_channels; i++) {
603 ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE,
604 (*scope_models[model_index].analog_names)[i]);
606 devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
608 devc->analog_groups[i]->name = g_strdup(
609 (char *)(*scope_models[model_index].analog_names)[i]);
610 devc->analog_groups[i]->channels = g_slist_append(NULL, ch);
612 sdi->channel_groups = g_slist_append(sdi->channel_groups,
613 devc->analog_groups[i]);
616 /* Add digital channel groups. */
617 for (i = 0; i < scope_models[model_index].digital_pods; i++) {
618 g_snprintf(tmp, 25, "POD%d", i);
620 devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
622 devc->digital_groups[i]->name = g_strdup(tmp);
623 sdi->channel_groups = g_slist_append(sdi->channel_groups,
624 devc->digital_groups[i < 8 ? 0 : 1]);
627 /* Add digital channels. */
628 for (i = 0; i < scope_models[model_index].digital_channels; i++) {
629 ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
630 (*scope_models[model_index].digital_names)[i]);
632 devc->digital_groups[i < 8 ? 0 : 1]->channels = g_slist_append(
633 devc->digital_groups[i < 8 ? 0 : 1]->channels, ch);
636 devc->model_config = &scope_models[model_index];
637 devc->frame_limit = 0;
639 if (!(devc->model_state = scope_state_new(devc->model_config)))
640 return SR_ERR_MALLOC;
645 SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
647 struct sr_channel *ch;
648 struct sr_dev_inst *sdi;
649 struct dev_context *devc;
650 struct sr_datafeed_packet packet;
652 struct sr_datafeed_analog_old analog;
653 struct sr_datafeed_logic logic;
659 if (!(sdi = cb_data))
662 if (!(devc = sdi->priv))
665 if (revents != G_IO_IN)
668 ch = devc->current_channel->data;
671 case SR_CHANNEL_ANALOG:
672 if (sr_scpi_get_floatv(sdi->conn, NULL, &data) != SR_OK) {
674 g_array_free(data, TRUE);
679 packet.type = SR_DF_FRAME_BEGIN;
680 sr_session_send(sdi, &packet);
682 analog.channels = g_slist_append(NULL, ch);
683 analog.num_samples = data->len;
684 analog.data = (float *) data->data;
685 analog.mq = SR_MQ_VOLTAGE;
686 analog.unit = SR_UNIT_VOLT;
688 packet.type = SR_DF_ANALOG_OLD;
689 packet.payload = &analog;
690 sr_session_send(cb_data, &packet);
691 g_slist_free(analog.channels);
692 g_array_free(data, TRUE);
695 case SR_CHANNEL_LOGIC:
696 if (sr_scpi_get_uint8v(sdi->conn, NULL, &data) != SR_OK) {
701 packet.type = SR_DF_FRAME_BEGIN;
702 sr_session_send(sdi, &packet);
704 logic.length = data->len;
706 logic.data = data->data;
707 packet.type = SR_DF_LOGIC;
708 packet.payload = &logic;
709 sr_session_send(cb_data, &packet);
710 g_array_free(data, TRUE);
714 sr_err("Invalid channel type.");
718 packet.type = SR_DF_FRAME_END;
719 sr_session_send(sdi, &packet);
721 if (devc->current_channel->next) {
722 devc->current_channel = devc->current_channel->next;
723 hmo_request_data(sdi);
724 } else if (++devc->num_frames == devc->frame_limit) {
725 sdi->driver->dev_acquisition_stop(sdi, cb_data);
727 devc->current_channel = devc->enabled_channels;
728 hmo_request_data(sdi);