2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Martin Ling <martin-git@earth.li>
5 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
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/>.
26 #include "libsigrok.h"
27 #include "libsigrok-internal.h"
30 #define NUM_TIMEBASE 12
33 static const int32_t hwopts[] = {
37 static const int32_t hwcaps[] = {
40 SR_CONF_TRIGGER_SOURCE,
41 SR_CONF_TRIGGER_SLOPE,
42 SR_CONF_HORIZ_TRIGGERPOS,
46 static const int32_t analog_hwcaps[] = {
52 static const uint64_t timebases[][2] = {
90 static const uint64_t vdivs[][2] = {
107 static const char *trigger_sources[] = {
130 static const char *coupling[] = {
136 static const char *supported_models[] = {
145 SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info;
146 static struct sr_dev_driver *di = &rigol_ds1xx2_driver_info;
148 static void clear_helper(void *priv)
150 struct dev_context *devc;
153 g_free(devc->coupling[0]);
154 g_free(devc->coupling[1]);
155 g_free(devc->trigger_source);
156 g_free(devc->trigger_slope);
157 g_slist_free(devc->analog_groups[0].probes);
158 g_slist_free(devc->analog_groups[1].probes);
159 g_slist_free(devc->digital_group.probes);
162 static int dev_clear(void)
164 return std_dev_clear(di, clear_helper);
167 static int set_cfg(const struct sr_dev_inst *sdi, const char *format, ...)
172 va_start(args, format);
173 vsnprintf(buf, 255, format, args);
175 if (rigol_ds1xx2_send(sdi, buf) != SR_OK)
178 /* When setting a bunch of parameters in a row, the DS1052E scrambles
179 * some of them unless there is at least 100ms delay in between. */
180 sr_spew("delay %dms", 100);
186 static int init(struct sr_context *sr_ctx)
188 return std_init(sr_ctx, di, LOG_PREFIX);
191 static int probe_port(const char *port, GSList **devices)
193 struct dev_context *devc;
194 struct sr_dev_inst *sdi;
195 struct sr_serial_dev_inst *serial;
196 struct sr_probe *probe;
199 gboolean matched, has_digital;
200 const char *manufacturer, *model, *version;
202 gchar **tokens, *channel_name;
205 if (!(serial = sr_serial_dev_inst_new(port, NULL)))
206 return SR_ERR_MALLOC;
208 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
210 len = serial_write(serial, "*IDN?", 5);
211 len = serial_read(serial, buf, sizeof(buf));
212 if (serial_close(serial) != SR_OK)
215 sr_serial_dev_inst_free(serial);
221 tokens = g_strsplit(buf, ",", 0);
222 sr_dbg("response: %s [%s]", port, buf);
224 for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++);
226 if (num_tokens < 4) {
231 manufacturer = tokens[0];
235 if (strcmp(manufacturer, "Rigol Technologies")) {
240 matched = has_digital = FALSE;
241 for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
242 if (!strcmp(model, supported_models[i])) {
244 has_digital = g_str_has_suffix(model, "D");
249 if (!matched || !(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE,
250 manufacturer, model, version))) {
257 if (!(sdi->conn = sr_serial_dev_inst_new(port, NULL)))
258 return SR_ERR_MALLOC;
260 sdi->inst_type = SR_INST_SERIAL;
262 if (!(devc = g_try_malloc0(sizeof(struct dev_context))))
263 return SR_ERR_MALLOC;
264 devc->limit_frames = 0;
265 devc->has_digital = has_digital;
267 for (i = 0; i < 2; i++) {
268 channel_name = (i == 0 ? "CH1" : "CH2");
269 if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE, channel_name)))
270 return SR_ERR_MALLOC;
271 sdi->probes = g_slist_append(sdi->probes, probe);
272 devc->analog_groups[i].name = channel_name;
273 devc->analog_groups[i].probes = g_slist_append(NULL, probe);
274 sdi->probe_groups = g_slist_append(sdi->probe_groups,
275 &devc->analog_groups[i]);
278 if (devc->has_digital) {
279 for (i = 0; i < 16; i++) {
280 if (!(channel_name = g_strdup_printf("D%d", i)))
281 return SR_ERR_MALLOC;
282 probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, channel_name);
283 g_free(channel_name);
285 return SR_ERR_MALLOC;
286 sdi->probes = g_slist_append(sdi->probes, probe);
287 devc->digital_group.probes = g_slist_append(
288 devc->digital_group.probes, probe);
289 devc->digital_group.name = "LA";
290 sdi->probe_groups = g_slist_append(sdi->probe_groups,
291 &devc->digital_group);
296 *devices = g_slist_append(NULL, sdi);
301 static GSList *scan(GSList *options)
303 struct drv_context *drvc;
304 struct sr_config *src;
308 const gchar *dev_name;
313 for (l = options; l; l = l->next) {
315 if (src->key == SR_CONF_CONN) {
316 port = (char *)g_variant_get_string(src->data, NULL);
323 if (probe_port(port, &devices) == SR_ERR_MALLOC)
326 if (!(dir = g_dir_open("/sys/class/usbmisc/", 0, NULL)))
327 if (!(dir = g_dir_open("/sys/class/usb/", 0, NULL)))
329 while ((dev_name = g_dir_read_name(dir))) {
330 if (strncmp(dev_name, "usbtmc", 6))
332 port = g_strconcat("/dev/", dev_name, NULL);
333 ret = probe_port(port, &devices);
335 if (ret == SR_ERR_MALLOC) {
343 /* Tack a copy of the newly found devices onto the driver list. */
344 l = g_slist_copy(devices);
345 drvc->instances = g_slist_concat(drvc->instances, l);
350 static GSList *dev_list(void)
352 return ((struct drv_context *)(di->priv))->instances;
355 static int dev_open(struct sr_dev_inst *sdi)
358 if (serial_open(sdi->conn, SERIAL_RDWR) != SR_OK)
361 if (rigol_ds1xx2_get_dev_cfg(sdi) != SR_OK)
364 sdi->status = SR_ST_ACTIVE;
369 static int dev_close(struct sr_dev_inst *sdi)
371 struct sr_serial_dev_inst *serial;
374 if (serial && serial->fd != -1) {
375 serial_close(serial);
376 sdi->status = SR_ST_INACTIVE;
382 static int cleanup(void)
387 static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
388 const struct sr_probe_group *probe_group)
390 struct dev_context *devc;
393 if (!sdi || !(devc = sdi->priv))
397 case SR_CONF_NUM_TIMEBASE:
398 *data = g_variant_new_int32(NUM_TIMEBASE);
400 case SR_CONF_NUM_VDIV:
401 for (i = 0; i < 2; i++) {
402 if (probe_group == &devc->analog_groups[i]) {
403 *data = g_variant_new_int32(NUM_VDIV);
415 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
416 const struct sr_probe_group *probe_group)
418 struct dev_context *devc;
419 uint64_t tmp_u64, p, q;
425 if (!(devc = sdi->priv))
428 if (sdi->status != SR_ST_ACTIVE)
429 return SR_ERR_DEV_CLOSED;
433 case SR_CONF_LIMIT_FRAMES:
434 devc->limit_frames = g_variant_get_uint64(data);
436 case SR_CONF_TRIGGER_SLOPE:
437 tmp_u64 = g_variant_get_uint64(data);
438 if (tmp_u64 != 0 && tmp_u64 != 1)
440 g_free(devc->trigger_slope);
441 devc->trigger_slope = g_strdup(tmp_u64 ? "POS" : "NEG");
442 ret = set_cfg(sdi, ":TRIG:EDGE:SLOP %s", devc->trigger_slope);
444 case SR_CONF_HORIZ_TRIGGERPOS:
445 t_dbl = g_variant_get_double(data);
446 if (t_dbl < 0.0 || t_dbl > 1.0)
448 devc->horiz_triggerpos = t_dbl;
449 /* We have the trigger offset as a percentage of the frame, but
450 * need to express this in seconds. */
451 t_dbl = -(devc->horiz_triggerpos - 0.5) * devc->timebase * NUM_TIMEBASE;
452 ret = set_cfg(sdi, ":TIM:OFFS %.6f", t_dbl);
454 case SR_CONF_TIMEBASE:
455 g_variant_get(data, "(tt)", &p, &q);
456 for (i = 0; i < ARRAY_SIZE(timebases); i++) {
457 if (timebases[i][0] == p && timebases[i][1] == q) {
458 devc->timebase = (float)p / q;
459 ret = set_cfg(sdi, ":TIM:SCAL %.9f", devc->timebase);
463 if (i == ARRAY_SIZE(timebases))
466 case SR_CONF_TRIGGER_SOURCE:
467 tmp_str = g_variant_get_string(data, NULL);
468 for (i = 0; i < ARRAY_SIZE(trigger_sources); i++) {
469 if (!strcmp(trigger_sources[i], tmp_str)) {
470 g_free(devc->trigger_source);
471 devc->trigger_source = g_strdup(trigger_sources[i]);
472 if (!strcmp(devc->trigger_source, "AC Line"))
474 else if (!strcmp(devc->trigger_source, "CH1"))
476 else if (!strcmp(devc->trigger_source, "CH2"))
479 tmp_str = (char *)devc->trigger_source;
480 ret = set_cfg(sdi, ":TRIG:EDGE:SOUR %s", tmp_str);
484 if (i == ARRAY_SIZE(trigger_sources))
488 g_variant_get(data, "(tt)", &p, &q);
489 for (i = 0; i < 2; i++) {
490 if (probe_group == &devc->analog_groups[i]) {
491 for (j = 0; j < ARRAY_SIZE(vdivs); j++) {
492 if (vdivs[j][0] != p || vdivs[j][1] != q)
494 devc->vdiv[i] = (float)p / q;
495 return set_cfg(sdi, ":CHAN%d:SCAL %.3f", i + 1,
502 case SR_CONF_COUPLING:
504 sr_err("No probe group specified.");
505 return SR_ERR_PROBE_GROUP;
507 tmp_str = g_variant_get_string(data, NULL);
508 for (i = 0; i < 2; i++) {
509 if (probe_group == &devc->analog_groups[i]) {
510 for (j = 0; j < ARRAY_SIZE(coupling); j++) {
511 if (!strcmp(tmp_str, coupling[j])) {
512 g_free(devc->coupling[i]);
513 devc->coupling[i] = g_strdup(coupling[j]);
514 return set_cfg(sdi, ":CHAN%d:COUP %s", i + 1,
530 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
531 const struct sr_probe_group *probe_group)
533 GVariant *tuple, *rational[2];
536 struct dev_context *devc;
538 if (key == SR_CONF_SCAN_OPTIONS) {
539 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
540 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
542 } else if (key == SR_CONF_DEVICE_OPTIONS && probe_group == NULL) {
543 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
544 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
548 /* Every other option requires a valid device instance. */
549 if (!sdi || !(devc = sdi->priv))
554 case SR_CONF_DEVICE_OPTIONS:
555 if (probe_group == &devc->digital_group) {
556 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
557 NULL, 0, sizeof(int32_t));
560 for (i = 0; i < 2; i++) {
561 if (probe_group == &devc->analog_groups[i]) {
562 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
563 analog_hwcaps, ARRAY_SIZE(analog_hwcaps), sizeof(int32_t));
569 case SR_CONF_COUPLING:
570 for (i = 0; i < 2; i++) {
571 if (probe_group == &devc->analog_groups[i]) {
572 *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling));
578 for (i = 0; i < 2; i++) {
579 if (probe_group == &devc->analog_groups[i]) {
580 rational[0] = g_variant_new_uint64(vdivs[i][0]);
581 rational[1] = g_variant_new_uint64(vdivs[i][1]);
582 *data = g_variant_new_tuple(rational, 2);
587 case SR_CONF_TIMEBASE:
588 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
589 for (i = 0; i < ARRAY_SIZE(timebases); i++) {
590 rational[0] = g_variant_new_uint64(timebases[i][0]);
591 rational[1] = g_variant_new_uint64(timebases[i][1]);
592 tuple = g_variant_new_tuple(rational, 2);
593 g_variant_builder_add_value(&gvb, tuple);
595 *data = g_variant_builder_end(&gvb);
597 case SR_CONF_TRIGGER_SOURCE:
598 *data = g_variant_new_strv(trigger_sources,
599 devc->has_digital ? ARRAY_SIZE(trigger_sources) : 4);
608 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
610 struct sr_serial_dev_inst *serial;
611 struct dev_context *devc;
612 struct sr_probe *probe;
616 if (sdi->status != SR_ST_ACTIVE)
617 return SR_ERR_DEV_CLOSED;
622 for (l = sdi->probes; l; l = l->next) {
624 sr_dbg("handling probe %s", probe->name);
625 if (probe->type == SR_PROBE_ANALOG) {
627 devc->enabled_analog_probes = g_slist_append(
628 devc->enabled_analog_probes, probe);
629 if (probe->enabled != devc->analog_channels[probe->index]) {
630 /* Enabled channel is currently disabled, or vice versa. */
631 sprintf(cmd, ":CHAN%d:DISP %s", probe->index + 1,
632 probe->enabled ? "ON" : "OFF");
633 if (rigol_ds1xx2_send(sdi, cmd) != SR_OK)
636 } else if (probe->type == SR_PROBE_LOGIC) {
638 devc->enabled_digital_probes = g_slist_append(
639 devc->enabled_digital_probes, probe);
640 if (probe->enabled != devc->digital_channels[probe->index]) {
641 /* Enabled channel is currently disabled, or vice versa. */
642 sprintf(cmd, ":DIG%d:TURN %s", probe->index,
643 probe->enabled ? "ON" : "OFF");
644 if (rigol_ds1xx2_send(sdi, cmd) != SR_OK)
649 if (!devc->enabled_analog_probes && !devc->enabled_digital_probes)
652 sr_source_add(serial->fd, G_IO_IN, 50, rigol_ds1xx2_receive, (void *)sdi);
654 /* Send header packet to the session bus. */
655 std_session_send_df_header(cb_data, LOG_PREFIX);
657 /* Fetch the first frame. */
658 if (devc->enabled_analog_probes) {
659 devc->channel_frame = devc->enabled_analog_probes->data;
660 if (rigol_ds1xx2_send(sdi, ":WAV:DATA? CHAN%d",
661 devc->channel_frame->index + 1) != SR_OK)
664 devc->channel_frame = devc->enabled_digital_probes->data;
665 if (rigol_ds1xx2_send(sdi, ":WAV:DATA? DIG") != SR_OK)
669 devc->num_frame_bytes = 0;
674 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
676 struct dev_context *devc;
677 struct sr_serial_dev_inst *serial;
683 if (sdi->status != SR_ST_ACTIVE) {
684 sr_err("Device inactive, can't stop acquisition.");
688 g_slist_free(devc->enabled_analog_probes);
689 g_slist_free(devc->enabled_digital_probes);
690 devc->enabled_analog_probes = NULL;
691 devc->enabled_digital_probes = NULL;
693 sr_source_remove(serial->fd);
698 SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info = {
699 .name = "rigol-ds1xx2",
700 .longname = "Rigol DS1xx2",
705 .dev_list = dev_list,
706 .dev_clear = dev_clear,
707 .config_get = config_get,
708 .config_set = config_set,
709 .config_list = config_list,
710 .dev_open = dev_open,
711 .dev_close = dev_close,
712 .dev_acquisition_start = dev_acquisition_start,
713 .dev_acquisition_stop = dev_acquisition_stop,