2 * This file is part of the libsigrok project.
4 * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.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/>.
23 #define USB_INTERFACE 0
24 #define USB_CONFIGURATION 1
25 #define NUM_TRIGGER_STAGES 4
26 #define PACKET_SIZE 2048 /* ?? */
28 //#define ZP_EXPERIMENTAL
33 const char *model_name;
34 unsigned int channels;
35 unsigned int sample_depth; /* In Ksamples/channel */
36 unsigned int max_sampling_freq;
40 * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the
41 * same 128K sample depth.
43 static const struct zp_model zeroplus_models[] = {
44 {0x0c12, 0x7002, "LAP-16128U", 16, 128, 200},
45 {0x0c12, 0x7009, "LAP-C(16064)", 16, 64, 100},
46 {0x0c12, 0x700a, "LAP-C(16128)", 16, 128, 200},
47 {0x0c12, 0x700b, "LAP-C(32128)", 32, 128, 200},
48 {0x0c12, 0x700c, "LAP-C(321000)", 32, 1024, 200},
49 {0x0c12, 0x700d, "LAP-C(322000)", 32, 2048, 200},
50 {0x0c12, 0x700e, "LAP-C(16032)", 16, 32, 100},
51 {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200},
52 {0x0c12, 0x7025, "LAP-C(16128+)", 16, 128, 200},
53 {0x0c12, 0x7064, "Logian-16L", 16, 128, 200},
54 {0x0c12, 0x7100, "AKIP-9101", 16, 256, 200},
58 static const uint32_t drvopts[] = {
59 SR_CONF_LOGIC_ANALYZER,
62 static const uint32_t devopts[] = {
63 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_LIST,
64 SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
65 SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
66 SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
67 SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
70 static const int32_t trigger_matches[] = {
76 * ZEROPLUS LAP-C (16032) numbers the 16 channels A0-A7 and B0-B7.
77 * We currently ignore other untested/unsupported devices here.
79 static const char *channel_names[] = {
80 "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
81 "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
82 "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7",
83 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
87 * The hardware supports more samplerates than these, but these are the
88 * options hardcoded into the vendor's Windows GUI.
91 static const uint64_t samplerates_100[] = {
110 const uint64_t samplerates_200[] = {
131 SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate)
135 for (i = 0; ARRAY_SIZE(samplerates_200); i++)
136 if (samplerate == samplerates_200[i])
139 if (i == ARRAY_SIZE(samplerates_200) || samplerate > devc->max_samplerate) {
140 sr_err("Unsupported samplerate: %" PRIu64 "Hz.", samplerate);
144 sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate);
146 if (samplerate >= SR_MHZ(1))
147 analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ);
148 else if (samplerate >= SR_KHZ(1))
149 analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ);
151 analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
153 devc->cur_samplerate = samplerate;
158 static GSList *scan(struct sr_dev_driver *di, GSList *options)
160 struct sr_dev_inst *sdi;
161 struct drv_context *drvc;
162 struct dev_context *devc;
163 const struct zp_model *prof;
164 struct libusb_device_descriptor des;
165 struct libusb_device_handle *hdl;
166 libusb_device **devlist;
169 char serial_num[64], connection_id[64];
177 /* Find all ZEROPLUS analyzers and add them to device list. */
178 libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
180 for (i = 0; devlist[i]; i++) {
181 libusb_get_device_descriptor(devlist[i], &des);
183 if ((ret = libusb_open(devlist[i], &hdl)) < 0)
186 if (des.iSerialNumber == 0) {
187 serial_num[0] = '\0';
188 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
189 des.iSerialNumber, (unsigned char *) serial_num,
190 sizeof(serial_num))) < 0) {
191 sr_warn("Failed to get serial number string descriptor: %s.",
192 libusb_error_name(ret));
198 usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
201 for (j = 0; j < zeroplus_models[j].vid; j++) {
202 if (des.idVendor == zeroplus_models[j].vid &&
203 des.idProduct == zeroplus_models[j].pid) {
204 prof = &zeroplus_models[j];
210 sr_info("Found ZEROPLUS %s.", prof->model_name);
212 sdi = g_malloc0(sizeof(struct sr_dev_inst));
213 sdi->status = SR_ST_INACTIVE;
214 sdi->vendor = g_strdup("ZEROPLUS");
215 sdi->model = g_strdup(prof->model_name);
216 sdi->serial_num = g_strdup(serial_num);
217 sdi->connection_id = g_strdup(connection_id);
219 devc = g_malloc0(sizeof(struct dev_context));
222 devc->num_channels = prof->channels;
223 #ifdef ZP_EXPERIMENTAL
224 devc->max_sample_depth = 128 * 1024;
225 devc->max_samplerate = 200;
227 devc->max_sample_depth = prof->sample_depth * 1024;
228 devc->max_samplerate = prof->max_sampling_freq;
230 devc->max_samplerate *= SR_MHZ(1);
231 devc->memory_size = MEMORY_SIZE_8K;
232 // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES);
234 for (j = 0; j < devc->num_channels; j++)
235 sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE,
238 devices = g_slist_append(devices, sdi);
239 sdi->inst_type = SR_INST_USB;
240 sdi->conn = sr_usb_dev_inst_new(
241 libusb_get_bus_number(devlist[i]),
242 libusb_get_device_address(devlist[i]), NULL);
244 libusb_free_device_list(devlist, 1);
246 return std_scan_complete(di, devices);
249 static int dev_open(struct sr_dev_inst *sdi)
251 struct sr_dev_driver *di = sdi->driver;
252 struct dev_context *devc;
253 struct drv_context *drvc;
254 struct sr_usb_dev_inst *usb;
261 ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb);
265 ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION);
267 sr_err("Unable to set USB configuration %d: %s.",
268 USB_CONFIGURATION, libusb_error_name(ret));
272 ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
274 sr_err("Unable to claim interface: %s.",
275 libusb_error_name(ret));
279 /* Set default configuration after power on. */
280 if (analyzer_read_status(usb->devhdl) == 0)
281 analyzer_configure(usb->devhdl);
283 analyzer_reset(usb->devhdl);
284 analyzer_initialize(usb->devhdl);
286 //analyzer_set_memory_size(MEMORY_SIZE_512K);
287 // analyzer_set_freq(g_freq, g_freq_scale);
288 analyzer_set_trigger_count(1);
289 // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
290 // * get_memory_size(g_memory_size)) / 100) >> 2);
293 if (g_double_mode == 1)
294 analyzer_set_compression(COMPRESSION_DOUBLE);
295 else if (g_compression == 1)
296 analyzer_set_compression(COMPRESSION_ENABLE);
299 analyzer_set_compression(COMPRESSION_NONE);
301 if (devc->cur_samplerate == 0) {
302 /* Samplerate hasn't been set. Default to 1MHz. */
303 analyzer_set_freq(1, FREQ_SCALE_MHZ);
304 devc->cur_samplerate = SR_MHZ(1);
307 if (devc->cur_threshold == 0)
308 set_voltage_threshold(devc, 1.5);
313 static int dev_close(struct sr_dev_inst *sdi)
315 struct sr_usb_dev_inst *usb;
322 sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.",
323 usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
324 libusb_release_interface(usb->devhdl, USB_INTERFACE);
325 libusb_reset_device(usb->devhdl);
326 libusb_close(usb->devhdl);
332 static int config_get(uint32_t key, GVariant **data,
333 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
335 struct dev_context *devc;
345 case SR_CONF_SAMPLERATE:
346 *data = g_variant_new_uint64(devc->cur_samplerate);
348 case SR_CONF_CAPTURE_RATIO:
349 *data = g_variant_new_uint64(devc->capture_ratio);
351 case SR_CONF_VOLTAGE_THRESHOLD:
352 *data = std_gvar_tuple_double(devc->cur_threshold, devc->cur_threshold);
361 static int config_set(uint32_t key, GVariant *data,
362 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
364 struct dev_context *devc;
372 case SR_CONF_SAMPLERATE:
373 return zp_set_samplerate(devc, g_variant_get_uint64(data));
374 case SR_CONF_LIMIT_SAMPLES:
375 return set_limit_samples(devc, g_variant_get_uint64(data));
376 case SR_CONF_CAPTURE_RATIO:
377 devc->capture_ratio = g_variant_get_uint64(data);
379 case SR_CONF_VOLTAGE_THRESHOLD:
380 g_variant_get(data, "(dd)", &low, &high);
381 return set_voltage_threshold(devc, (low + high) / 2.0);
389 static int config_list(uint32_t key, GVariant **data,
390 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
392 struct dev_context *devc;
395 case SR_CONF_DEVICE_OPTIONS:
396 return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
397 case SR_CONF_SAMPLERATE:
399 if (devc->prof->max_sampling_freq == 100)
400 *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_100));
401 else if (devc->prof->max_sampling_freq == 200)
402 *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_200));
404 sr_err("Internal error: Unknown max. samplerate: %d.",
405 devc->prof->max_sampling_freq);
409 case SR_CONF_TRIGGER_MATCH:
410 *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
412 case SR_CONF_VOLTAGE_THRESHOLD:
413 *data = std_gvar_min_max_step_thresholds(-6.0, 6.0, 0.1);
415 case SR_CONF_LIMIT_SAMPLES:
419 *data = std_gvar_tuple_u64(0, devc->max_sample_depth);
428 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
430 struct dev_context *devc;
431 struct sr_usb_dev_inst *usb;
432 struct sr_datafeed_packet packet;
433 struct sr_datafeed_logic logic;
434 unsigned int samples_read;
436 unsigned int packet_num, n;
439 unsigned int stop_address;
440 unsigned int now_address;
441 unsigned int trigger_address;
442 unsigned int trigger_offset;
443 unsigned int triggerbar;
444 unsigned int ramsize_trigger;
445 unsigned int memory_size;
446 unsigned int valid_samples;
447 unsigned int discard;
452 if (analyzer_add_triggers(sdi) != SR_OK) {
453 sr_err("Failed to configure triggers.");
459 set_triggerbar(devc);
461 /* Push configured settings to device. */
462 analyzer_configure(usb->devhdl);
464 analyzer_start(usb->devhdl);
465 sr_info("Waiting for data.");
466 analyzer_wait_data(usb->devhdl);
468 status = analyzer_read_status(usb->devhdl);
469 stop_address = analyzer_get_stop_address(usb->devhdl);
470 now_address = analyzer_get_now_address(usb->devhdl);
471 trigger_address = analyzer_get_trigger_address(usb->devhdl);
473 triggerbar = analyzer_get_triggerbar_address();
474 ramsize_trigger = analyzer_get_ramsize_trigger_address();
476 n = get_memory_size(devc->memory_size);
479 sr_info("Status = 0x%x.", status);
480 sr_info("Stop address = 0x%x.", stop_address);
481 sr_info("Now address = 0x%x.", now_address);
482 sr_info("Trigger address = 0x%x.", trigger_address);
483 sr_info("Triggerbar address = 0x%x.", triggerbar);
484 sr_info("Ramsize trigger = 0x%x.", ramsize_trigger);
485 sr_info("Memory size = 0x%x.", memory_size);
487 std_session_send_df_header(sdi);
489 /* Check for empty capture */
490 if ((status & STATUS_READY) && !stop_address) {
491 std_session_send_df_end(sdi);
495 buf = g_malloc(PACKET_SIZE);
497 /* Check if the trigger is in the samples we are throwing away */
498 trigger_now = now_address == trigger_address ||
499 ((now_address + 1) % memory_size) == trigger_address;
502 * STATUS_READY doesn't clear until now_address advances past
503 * addr 0, but for our logic, clear it in that case
506 status &= ~STATUS_READY;
508 analyzer_read_start(usb->devhdl);
510 /* Calculate how much data to discard */
512 if (status & STATUS_READY) {
514 * We haven't wrapped around, we need to throw away data from
515 * our current position to the end of the buffer.
516 * Additionally, the first two samples captured are always
519 discard += memory_size - now_address + 2;
523 /* If we have more samples than we need, discard them */
524 valid_samples = (stop_address - now_address) % memory_size;
525 if (valid_samples > ramsize_trigger + triggerbar) {
526 discard += valid_samples - (ramsize_trigger + triggerbar);
527 now_address += valid_samples - (ramsize_trigger + triggerbar);
530 sr_info("Need to discard %d samples.", discard);
532 /* Calculate how far in the trigger is */
536 trigger_offset = (trigger_address - now_address) % memory_size;
538 /* Recalculate the number of samples available */
539 valid_samples = (stop_address - now_address) % memory_size;
541 /* Send the incoming transfer to the session bus. */
543 for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
545 unsigned int buf_offset;
547 res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE);
548 sr_info("Tried to read %d bytes, actually read %d bytes.",
551 if (discard >= PACKET_SIZE / 4) {
552 discard -= PACKET_SIZE / 4;
556 len = PACKET_SIZE - discard * 4;
557 buf_offset = discard * 4;
560 /* Check if we've read all the samples */
561 if (samples_read + len / 4 >= valid_samples)
562 len = (valid_samples - samples_read) * 4;
566 if (samples_read < trigger_offset &&
567 samples_read + len / 4 > trigger_offset) {
568 /* Send out samples remaining before trigger */
569 packet.type = SR_DF_LOGIC;
570 packet.payload = &logic;
571 logic.length = (trigger_offset - samples_read) * 4;
573 logic.data = buf + buf_offset;
574 sr_session_send(sdi, &packet);
576 samples_read += logic.length / 4;
577 buf_offset += logic.length;
580 if (samples_read == trigger_offset) {
581 /* Send out trigger */
582 packet.type = SR_DF_TRIGGER;
583 packet.payload = NULL;
584 sr_session_send(sdi, &packet);
587 /* Send out data (or data after trigger) */
588 packet.type = SR_DF_LOGIC;
589 packet.payload = &logic;
592 logic.data = buf + buf_offset;
593 sr_session_send(sdi, &packet);
594 samples_read += len / 4;
596 analyzer_read_stop(usb->devhdl);
599 std_session_send_df_end(sdi);
604 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
606 struct sr_usb_dev_inst *usb;
608 std_session_send_df_end(sdi);
611 analyzer_reset(usb->devhdl);
612 /* TODO: Need to cancel and free any queued up transfers. */
617 static struct sr_dev_driver zeroplus_logic_cube_driver_info = {
618 .name = "zeroplus-logic-cube",
619 .longname = "ZEROPLUS Logic Cube LAP-C series",
622 .cleanup = std_cleanup,
624 .dev_list = std_dev_list,
625 .dev_clear = std_dev_clear,
626 .config_get = config_get,
627 .config_set = config_set,
628 .config_list = config_list,
629 .dev_open = dev_open,
630 .dev_close = dev_close,
631 .dev_acquisition_start = dev_acquisition_start,
632 .dev_acquisition_stop = dev_acquisition_stop,
635 SR_REGISTER_DEV_DRIVER(zeroplus_logic_cube_driver_info);