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, 0x7100, "AKIP-9101", 16, 256, 200},
56 static const uint32_t drvopts[] = {
57 SR_CONF_LOGIC_ANALYZER,
60 static const uint32_t devopts[] = {
61 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_LIST,
62 SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
63 SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
64 SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
65 SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
68 static const int32_t trigger_matches[] = {
74 * ZEROPLUS LAP-C (16032) numbers the 16 channels A0-A7 and B0-B7.
75 * We currently ignore other untested/unsupported devices here.
77 static const char *channel_names[] = {
78 "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
79 "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
80 "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7",
81 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
85 * The hardware supports more samplerates than these, but these are the
86 * options hardcoded into the vendor's Windows GUI.
89 static const uint64_t samplerates_100[] = {
108 const uint64_t samplerates_200[] = {
129 SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate)
133 for (i = 0; ARRAY_SIZE(samplerates_200); i++)
134 if (samplerate == samplerates_200[i])
137 if (i == ARRAY_SIZE(samplerates_200) || samplerate > devc->max_samplerate) {
138 sr_err("Unsupported samplerate: %" PRIu64 "Hz.", samplerate);
142 sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate);
144 if (samplerate >= SR_MHZ(1))
145 analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ);
146 else if (samplerate >= SR_KHZ(1))
147 analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ);
149 analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
151 devc->cur_samplerate = samplerate;
156 static GSList *scan(struct sr_dev_driver *di, GSList *options)
158 struct sr_dev_inst *sdi;
159 struct drv_context *drvc;
160 struct dev_context *devc;
161 const struct zp_model *prof;
162 struct libusb_device_descriptor des;
163 struct libusb_device_handle *hdl;
164 libusb_device **devlist;
167 char serial_num[64], connection_id[64];
175 /* Find all ZEROPLUS analyzers and add them to device list. */
176 libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
178 for (i = 0; devlist[i]; i++) {
179 libusb_get_device_descriptor(devlist[i], &des);
181 if ((ret = libusb_open(devlist[i], &hdl)) < 0)
184 if (des.iSerialNumber == 0) {
185 serial_num[0] = '\0';
186 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
187 des.iSerialNumber, (unsigned char *) serial_num,
188 sizeof(serial_num))) < 0) {
189 sr_warn("Failed to get serial number string descriptor: %s.",
190 libusb_error_name(ret));
196 usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
199 for (j = 0; j < zeroplus_models[j].vid; j++) {
200 if (des.idVendor == zeroplus_models[j].vid &&
201 des.idProduct == zeroplus_models[j].pid) {
202 prof = &zeroplus_models[j];
208 sr_info("Found ZEROPLUS %s.", prof->model_name);
210 sdi = g_malloc0(sizeof(struct sr_dev_inst));
211 sdi->status = SR_ST_INACTIVE;
212 sdi->vendor = g_strdup("ZEROPLUS");
213 sdi->model = g_strdup(prof->model_name);
214 sdi->serial_num = g_strdup(serial_num);
215 sdi->connection_id = g_strdup(connection_id);
217 devc = g_malloc0(sizeof(struct dev_context));
220 devc->num_channels = prof->channels;
221 #ifdef ZP_EXPERIMENTAL
222 devc->max_sample_depth = 128 * 1024;
223 devc->max_samplerate = 200;
225 devc->max_sample_depth = prof->sample_depth * 1024;
226 devc->max_samplerate = prof->max_sampling_freq;
228 devc->max_samplerate *= SR_MHZ(1);
229 devc->memory_size = MEMORY_SIZE_8K;
230 // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES);
232 for (j = 0; j < devc->num_channels; j++)
233 sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE,
236 devices = g_slist_append(devices, sdi);
237 sdi->inst_type = SR_INST_USB;
238 sdi->conn = sr_usb_dev_inst_new(
239 libusb_get_bus_number(devlist[i]),
240 libusb_get_device_address(devlist[i]), NULL);
242 libusb_free_device_list(devlist, 1);
244 return std_scan_complete(di, devices);
247 static int dev_open(struct sr_dev_inst *sdi)
249 struct sr_dev_driver *di = sdi->driver;
250 struct dev_context *devc;
251 struct drv_context *drvc;
252 struct sr_usb_dev_inst *usb;
259 ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb);
263 ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION);
265 sr_err("Unable to set USB configuration %d: %s.",
266 USB_CONFIGURATION, libusb_error_name(ret));
270 ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
272 sr_err("Unable to claim interface: %s.",
273 libusb_error_name(ret));
277 /* Set default configuration after power on. */
278 if (analyzer_read_status(usb->devhdl) == 0)
279 analyzer_configure(usb->devhdl);
281 analyzer_reset(usb->devhdl);
282 analyzer_initialize(usb->devhdl);
284 //analyzer_set_memory_size(MEMORY_SIZE_512K);
285 // analyzer_set_freq(g_freq, g_freq_scale);
286 analyzer_set_trigger_count(1);
287 // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
288 // * get_memory_size(g_memory_size)) / 100) >> 2);
291 if (g_double_mode == 1)
292 analyzer_set_compression(COMPRESSION_DOUBLE);
293 else if (g_compression == 1)
294 analyzer_set_compression(COMPRESSION_ENABLE);
297 analyzer_set_compression(COMPRESSION_NONE);
299 if (devc->cur_samplerate == 0) {
300 /* Samplerate hasn't been set. Default to 1MHz. */
301 analyzer_set_freq(1, FREQ_SCALE_MHZ);
302 devc->cur_samplerate = SR_MHZ(1);
305 if (devc->cur_threshold == 0)
306 set_voltage_threshold(devc, 1.5);
311 static int dev_close(struct sr_dev_inst *sdi)
313 struct sr_usb_dev_inst *usb;
320 sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.",
321 usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
322 libusb_release_interface(usb->devhdl, USB_INTERFACE);
323 libusb_reset_device(usb->devhdl);
324 libusb_close(usb->devhdl);
330 static int config_get(uint32_t key, GVariant **data,
331 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
333 struct dev_context *devc;
343 case SR_CONF_SAMPLERATE:
344 *data = g_variant_new_uint64(devc->cur_samplerate);
346 case SR_CONF_CAPTURE_RATIO:
347 *data = g_variant_new_uint64(devc->capture_ratio);
349 case SR_CONF_VOLTAGE_THRESHOLD:
350 *data = std_gvar_tuple_double(devc->cur_threshold, devc->cur_threshold);
359 static int config_set(uint32_t key, GVariant *data,
360 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
362 struct dev_context *devc;
370 case SR_CONF_SAMPLERATE:
371 return zp_set_samplerate(devc, g_variant_get_uint64(data));
372 case SR_CONF_LIMIT_SAMPLES:
373 return set_limit_samples(devc, g_variant_get_uint64(data));
374 case SR_CONF_CAPTURE_RATIO:
375 devc->capture_ratio = g_variant_get_uint64(data);
377 case SR_CONF_VOLTAGE_THRESHOLD:
378 g_variant_get(data, "(dd)", &low, &high);
379 return set_voltage_threshold(devc, (low + high) / 2.0);
387 static int config_list(uint32_t key, GVariant **data,
388 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
390 struct dev_context *devc;
393 case SR_CONF_DEVICE_OPTIONS:
394 return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
395 case SR_CONF_SAMPLERATE:
397 if (devc->prof->max_sampling_freq == 100)
398 *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_100));
399 else if (devc->prof->max_sampling_freq == 200)
400 *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_200));
402 sr_err("Internal error: Unknown max. samplerate: %d.",
403 devc->prof->max_sampling_freq);
407 case SR_CONF_TRIGGER_MATCH:
408 *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
410 case SR_CONF_VOLTAGE_THRESHOLD:
411 *data = std_gvar_min_max_step_thresholds(-6.0, 6.0, 0.1);
413 case SR_CONF_LIMIT_SAMPLES:
417 *data = std_gvar_tuple_u64(0, devc->max_sample_depth);
426 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
428 struct dev_context *devc;
429 struct sr_usb_dev_inst *usb;
430 struct sr_datafeed_packet packet;
431 struct sr_datafeed_logic logic;
432 unsigned int samples_read;
434 unsigned int packet_num, n;
437 unsigned int stop_address;
438 unsigned int now_address;
439 unsigned int trigger_address;
440 unsigned int trigger_offset;
441 unsigned int triggerbar;
442 unsigned int ramsize_trigger;
443 unsigned int memory_size;
444 unsigned int valid_samples;
445 unsigned int discard;
450 if (analyzer_add_triggers(sdi) != SR_OK) {
451 sr_err("Failed to configure triggers.");
457 set_triggerbar(devc);
459 /* Push configured settings to device. */
460 analyzer_configure(usb->devhdl);
462 analyzer_start(usb->devhdl);
463 sr_info("Waiting for data.");
464 analyzer_wait_data(usb->devhdl);
466 status = analyzer_read_status(usb->devhdl);
467 stop_address = analyzer_get_stop_address(usb->devhdl);
468 now_address = analyzer_get_now_address(usb->devhdl);
469 trigger_address = analyzer_get_trigger_address(usb->devhdl);
471 triggerbar = analyzer_get_triggerbar_address();
472 ramsize_trigger = analyzer_get_ramsize_trigger_address();
474 n = get_memory_size(devc->memory_size);
477 sr_info("Status = 0x%x.", status);
478 sr_info("Stop address = 0x%x.", stop_address);
479 sr_info("Now address = 0x%x.", now_address);
480 sr_info("Trigger address = 0x%x.", trigger_address);
481 sr_info("Triggerbar address = 0x%x.", triggerbar);
482 sr_info("Ramsize trigger = 0x%x.", ramsize_trigger);
483 sr_info("Memory size = 0x%x.", memory_size);
485 std_session_send_df_header(sdi);
487 /* Check for empty capture */
488 if ((status & STATUS_READY) && !stop_address) {
489 std_session_send_df_end(sdi);
493 buf = g_malloc(PACKET_SIZE);
495 /* Check if the trigger is in the samples we are throwing away */
496 trigger_now = now_address == trigger_address ||
497 ((now_address + 1) % memory_size) == trigger_address;
500 * STATUS_READY doesn't clear until now_address advances past
501 * addr 0, but for our logic, clear it in that case
504 status &= ~STATUS_READY;
506 analyzer_read_start(usb->devhdl);
508 /* Calculate how much data to discard */
510 if (status & STATUS_READY) {
512 * We haven't wrapped around, we need to throw away data from
513 * our current position to the end of the buffer.
514 * Additionally, the first two samples captured are always
517 discard += memory_size - now_address + 2;
521 /* If we have more samples than we need, discard them */
522 valid_samples = (stop_address - now_address) % memory_size;
523 if (valid_samples > ramsize_trigger + triggerbar) {
524 discard += valid_samples - (ramsize_trigger + triggerbar);
525 now_address += valid_samples - (ramsize_trigger + triggerbar);
528 sr_info("Need to discard %d samples.", discard);
530 /* Calculate how far in the trigger is */
534 trigger_offset = (trigger_address - now_address) % memory_size;
536 /* Recalculate the number of samples available */
537 valid_samples = (stop_address - now_address) % memory_size;
539 /* Send the incoming transfer to the session bus. */
541 for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
543 unsigned int buf_offset;
545 res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE);
546 sr_info("Tried to read %d bytes, actually read %d bytes.",
549 if (discard >= PACKET_SIZE / 4) {
550 discard -= PACKET_SIZE / 4;
554 len = PACKET_SIZE - discard * 4;
555 buf_offset = discard * 4;
558 /* Check if we've read all the samples */
559 if (samples_read + len / 4 >= valid_samples)
560 len = (valid_samples - samples_read) * 4;
564 if (samples_read < trigger_offset &&
565 samples_read + len / 4 > trigger_offset) {
566 /* Send out samples remaining before trigger */
567 packet.type = SR_DF_LOGIC;
568 packet.payload = &logic;
569 logic.length = (trigger_offset - samples_read) * 4;
571 logic.data = buf + buf_offset;
572 sr_session_send(sdi, &packet);
574 samples_read += logic.length / 4;
575 buf_offset += logic.length;
578 if (samples_read == trigger_offset) {
579 /* Send out trigger */
580 packet.type = SR_DF_TRIGGER;
581 packet.payload = NULL;
582 sr_session_send(sdi, &packet);
585 /* Send out data (or data after trigger) */
586 packet.type = SR_DF_LOGIC;
587 packet.payload = &logic;
590 logic.data = buf + buf_offset;
591 sr_session_send(sdi, &packet);
592 samples_read += len / 4;
594 analyzer_read_stop(usb->devhdl);
597 std_session_send_df_end(sdi);
602 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
604 struct sr_usb_dev_inst *usb;
606 std_session_send_df_end(sdi);
609 analyzer_reset(usb->devhdl);
610 /* TODO: Need to cancel and free any queued up transfers. */
615 static struct sr_dev_driver zeroplus_logic_cube_driver_info = {
616 .name = "zeroplus-logic-cube",
617 .longname = "ZEROPLUS Logic Cube LAP-C series",
620 .cleanup = std_cleanup,
622 .dev_list = std_dev_list,
623 .dev_clear = std_dev_clear,
624 .config_get = config_get,
625 .config_set = config_set,
626 .config_list = config_list,
627 .dev_open = dev_open,
628 .dev_close = dev_close,
629 .dev_acquisition_start = dev_acquisition_start,
630 .dev_acquisition_stop = dev_acquisition_stop,
633 SR_REGISTER_DEV_DRIVER(zeroplus_logic_cube_driver_info);