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/>.
22 static const char *hameg_scpi_dialect[] = {
23 [SCPI_CMD_GET_DIG_DATA] = ":POD%d:DATA?",
24 [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?",
25 [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %E",
26 [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
27 [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
28 [SCPI_CMD_GET_ANALOG_DATA] = ":CHAN%d:DATA?",
29 [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?",
30 [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %E",
31 [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?",
32 [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d",
33 [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
34 [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP %s",
35 [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?",
36 [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
37 [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
38 [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
39 [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?",
40 [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
41 [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %E",
42 [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
43 [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
46 static const int32_t hmo_hwcaps[] = {
48 SR_CONF_TRIGGER_SOURCE,
51 SR_CONF_TRIGGER_SLOPE,
52 SR_CONF_HORIZ_TRIGGERPOS,
55 static const int32_t hmo_analog_caps[] = {
61 static const char *hmo_coupling_options[] = {
70 static const char *scope_trigger_slopes[] = {
76 static const char *hmo_compact2_trigger_sources[] = {
92 static const char *hmo_compact4_trigger_sources[] = {
110 static const uint64_t hmo_timebases[][2] = {
149 static const uint64_t hmo_vdivs[][2] = {
167 static const char *scope_analog_probe_names[] = {
174 static const char *scope_digital_probe_names[] = {
193 static struct scope_config scope_models[] = {
195 .name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
196 .analog_channels = 2,
197 .digital_channels = 8,
200 .analog_names = &scope_analog_probe_names,
201 .digital_names = &scope_digital_probe_names,
203 .hw_caps = &hmo_hwcaps,
204 .num_hwcaps = ARRAY_SIZE(hmo_hwcaps),
206 .analog_hwcaps = &hmo_analog_caps,
207 .num_analog_hwcaps = ARRAY_SIZE(hmo_analog_caps),
209 .coupling_options = &hmo_coupling_options,
210 .trigger_sources = &hmo_compact2_trigger_sources,
211 .trigger_slopes = &scope_trigger_slopes,
213 .timebases = &hmo_timebases,
214 .num_timebases = ARRAY_SIZE(hmo_timebases),
217 .num_vdivs = ARRAY_SIZE(hmo_vdivs),
222 .scpi_dialect = &hameg_scpi_dialect,
225 .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
226 .analog_channels = 4,
227 .digital_channels = 8,
230 .analog_names = &scope_analog_probe_names,
231 .digital_names = &scope_digital_probe_names,
233 .hw_caps = &hmo_hwcaps,
234 .num_hwcaps = ARRAY_SIZE(hmo_hwcaps),
236 .analog_hwcaps = &hmo_analog_caps,
237 .num_analog_hwcaps = ARRAY_SIZE(hmo_analog_caps),
239 .coupling_options = &hmo_coupling_options,
240 .trigger_sources = &hmo_compact4_trigger_sources,
241 .trigger_slopes = &scope_trigger_slopes,
243 .timebases = &hmo_timebases,
244 .num_timebases = ARRAY_SIZE(hmo_timebases),
247 .num_vdivs = ARRAY_SIZE(hmo_vdivs),
252 .scpi_dialect = &hameg_scpi_dialect,
256 static void scope_state_dump(struct scope_config *config,
257 struct scope_state *state)
261 for (i = 0; i < config->analog_channels; ++i) {
262 sr_info("State of analog channel %d -> %s : %s %.3eV %.3e offset", i + 1,
263 state->analog_channels[i].state ? "On" : "Off",
264 (*config->coupling_options)[state->analog_channels[i].coupling],
265 state->analog_channels[i].vdiv, state->analog_channels[i].vertical_offset);
268 for (i = 0; i < config->digital_channels; ++i) {
269 sr_info("State of digital channel %d -> %s", i,
270 state->digital_channels[i] ? "On" : "Off");
273 for (i = 0; i < config->digital_pods; ++i) {
274 sr_info("State of digital POD %d -> %s", i,
275 state->digital_pods[i] ? "On" : "Off");
278 sr_info("Current timebase: %.2es", state->timebase);
279 sr_info("Current trigger: %s (source), %s (slope) %.2e (offset)",
280 (*config->trigger_sources)[state->trigger_source],
281 (*config->trigger_slopes)[state->trigger_slope],
282 state->horiz_triggerpos);
285 static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi,
286 const char *command, const char *(*array)[], int *result)
291 if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) {
296 for (i = 0; (*array)[i]; ++i) {
297 if (!g_strcmp0(tmp, (*array)[i])) {
313 static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi,
314 struct scope_config *config,
315 struct scope_state *state)
318 char command[MAX_COMMAND_SIZE];
320 for (i = 0; i < config->analog_channels; ++i) {
321 g_snprintf(command, sizeof(command),
322 (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
325 if (sr_scpi_get_bool(scpi, command,
326 &state->analog_channels[i].state) != SR_OK)
329 g_snprintf(command, sizeof(command),
330 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV],
333 if (sr_scpi_get_float(scpi, command,
334 &state->analog_channels[i].vdiv) != SR_OK)
337 g_snprintf(command, sizeof(command),
338 (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
341 if (sr_scpi_get_float(scpi, command,
342 &state->analog_channels[i].vertical_offset) != SR_OK)
345 g_snprintf(command, sizeof(command),
346 (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
349 if (scope_state_get_array_option(scpi, command, config->coupling_options,
350 &state->analog_channels[i].coupling) != SR_OK)
357 static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi,
358 struct scope_config *config,
359 struct scope_state *state)
362 char command[MAX_COMMAND_SIZE];
364 for (i = 0; i < config->digital_channels; ++i) {
365 g_snprintf(command, sizeof(command),
366 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE],
369 if (sr_scpi_get_bool(scpi, command,
370 &state->digital_channels[i]) != SR_OK)
374 for (i = 0; i < config->digital_pods; ++i) {
375 g_snprintf(command, sizeof(command),
376 (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE],
379 if (sr_scpi_get_bool(scpi, command,
380 &state->digital_pods[i]) != SR_OK)
387 SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi)
389 struct dev_context *devc;
390 struct scope_state *state;
391 struct scope_config *config;
394 config = devc->model_config;
395 state = devc->model_state;
397 if (analog_channel_state_get(sdi->conn, config, state) != SR_OK)
400 if (digital_channel_state_get(sdi->conn, config, state) != SR_OK)
403 /* TODO: Check if value is sensible. */
404 if (sr_scpi_get_float(sdi->conn,
405 (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
406 &state->timebase) != SR_OK)
409 if (sr_scpi_get_float(sdi->conn,
410 (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
411 &state->horiz_triggerpos) != SR_OK)
414 if (scope_state_get_array_option(sdi->conn,
415 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE],
416 config->trigger_sources, &state->trigger_source) != SR_OK)
419 if (scope_state_get_array_option(sdi->conn,
420 (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE],
421 config->trigger_slopes, &state->trigger_slope) != SR_OK)
424 scope_state_dump(config, state);
429 SR_PRIV struct scope_state *scope_state_new(struct scope_config *config)
431 struct scope_state *state;
433 if (!(state = g_try_malloc0(sizeof(struct scope_state))))
436 if (!(state->analog_channels = g_try_malloc0_n(config->analog_channels,
437 sizeof(struct analog_channel_state))))
440 if (!(state->digital_channels = g_try_malloc0_n(
441 config->digital_channels, sizeof(gboolean))))
444 if (!(state->digital_pods = g_try_malloc0_n(config->digital_pods,
451 if (state->analog_channels)
452 g_free(state->analog_channels);
453 if (state->digital_channels)
454 g_free(state->digital_channels);
455 if (state->digital_pods)
456 g_free(state->digital_pods);
462 SR_PRIV void hmo_scope_state_free(struct scope_state *state)
464 g_free(state->analog_channels);
465 g_free(state->digital_channels);
466 g_free(state->digital_pods);
470 SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
475 struct sr_probe *probe;
476 struct dev_context *devc;
481 /* Find the exact model. */
482 for (i = 0; i < ARRAY_SIZE(scope_models); i++) {
483 for (j = 0; scope_models[i].name[j]; j++) {
484 if (!strcmp(sdi->model, scope_models[i].name[j])) {
489 if (model_index != -1)
493 if (model_index == -1) {
494 sr_dbg("Unsupported HMO device.");
498 if (!(devc->analog_groups = g_try_malloc0(sizeof(struct sr_probe_group) *
499 scope_models[model_index].analog_channels)))
500 return SR_ERR_MALLOC;
502 if (!(devc->digital_groups = g_try_malloc0(sizeof(struct sr_probe_group) *
503 scope_models[model_index].digital_pods)))
504 return SR_ERR_MALLOC;
506 /* Add analog channels. */
507 for (i = 0; i < scope_models[model_index].analog_channels; i++) {
508 if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
509 (*scope_models[model_index].analog_names)[i])))
510 return SR_ERR_MALLOC;
511 sdi->probes = g_slist_append(sdi->probes, probe);
513 devc->analog_groups[i].name =
514 (char *)(*scope_models[model_index].analog_names)[i];
515 devc->analog_groups[i].probes = g_slist_append(NULL, probe);
517 sdi->probe_groups = g_slist_append(sdi->probe_groups,
518 &devc->analog_groups[i]);
521 /* Add digital probe groups. */
522 for (i = 0; i < scope_models[model_index].digital_pods; ++i) {
523 g_snprintf(tmp, 25, "POD%d", i);
524 devc->digital_groups[i].name = g_strdup(tmp);
525 sdi->probe_groups = g_slist_append(sdi->probe_groups,
526 &devc->digital_groups[i < 8 ? 0 : 1]);
529 /* Add digital channels. */
530 for (i = 0; i < scope_models[model_index].digital_channels; i++) {
531 if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
532 (*scope_models[model_index].digital_names)[i])))
533 return SR_ERR_MALLOC;
534 sdi->probes = g_slist_append(sdi->probes, probe);
536 devc->digital_groups[i < 8 ? 0 : 1].probes = g_slist_append(
537 devc->digital_groups[i < 8 ? 0 : 1].probes, probe);
540 devc->model_config = &scope_models[model_index];
541 devc->frame_limit = 0;
543 if (!(devc->model_state = scope_state_new(devc->model_config)))
544 return SR_ERR_MALLOC;
549 SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
551 struct sr_probe *probe;
552 struct sr_dev_inst *sdi;
553 struct dev_context *devc;
554 struct sr_datafeed_packet packet;
556 struct sr_datafeed_analog analog;
557 struct sr_datafeed_logic logic;
561 if (!(sdi = cb_data))
564 if (!(devc = sdi->priv))
567 if (revents == G_IO_IN) {
568 probe = devc->current_probe->data;
570 switch (probe->type) {
571 case SR_PROBE_ANALOG:
572 if (sr_scpi_get_floatv(sdi->conn, NULL, &data) != SR_OK) {
574 g_array_free(data, TRUE);
579 packet.type = SR_DF_FRAME_BEGIN;
580 sr_session_send(sdi, &packet);
582 analog.probes = g_slist_append(NULL, probe);
583 analog.num_samples = data->len;
584 analog.data = (float *) data->data;
585 analog.mq = SR_MQ_VOLTAGE;
586 analog.unit = SR_UNIT_VOLT;
588 packet.type = SR_DF_ANALOG;
589 packet.payload = &analog;
590 sr_session_send(cb_data, &packet);
591 g_slist_free(analog.probes);
592 g_array_free(data, TRUE);
595 if (sr_scpi_get_uint8v(sdi->conn, NULL, &data) != SR_OK) {
601 packet.type = SR_DF_FRAME_BEGIN;
602 sr_session_send(sdi, &packet);
604 logic.length = data->len;
606 logic.data = data->data;
607 packet.type = SR_DF_LOGIC;
608 packet.payload = &logic;
609 sr_session_send(cb_data, &packet);
610 g_array_free(data, TRUE);
613 sr_err("Invalid probe type.");
617 packet.type = SR_DF_FRAME_END;
618 sr_session_send(sdi, &packet);
620 if (devc->current_probe->next) {
621 devc->current_probe = devc->current_probe->next;
622 hmo_request_data(sdi);
623 } else if (++devc->num_frames == devc->frame_limit) {
624 packet.type = SR_DF_END;
625 sr_session_send(sdi, &packet);
626 sdi->driver->dev_acquisition_stop(sdi, cb_data);
628 devc->current_probe = devc->enabled_probes;
629 hmo_request_data(sdi);