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 VENDOR_NAME "ZEROPLUS"
24 #define USB_INTERFACE 0
25 #define USB_CONFIGURATION 1
26 #define NUM_TRIGGER_STAGES 4
27 #define PACKET_SIZE 2048 /* ?? */
29 //#define ZP_EXPERIMENTAL
34 const char *model_name;
35 unsigned int channels;
36 unsigned int sample_depth; /* In Ksamples/channel */
37 unsigned int max_sampling_freq;
41 * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the
42 * same 128K sample depth.
44 static const struct zp_model zeroplus_models[] = {
45 {0x0c12, 0x7002, "LAP-16128U", 16, 128, 200},
46 {0x0c12, 0x7009, "LAP-C(16064)", 16, 64, 100},
47 {0x0c12, 0x700a, "LAP-C(16128)", 16, 128, 200},
48 {0x0c12, 0x700b, "LAP-C(32128)", 32, 128, 200},
49 {0x0c12, 0x700c, "LAP-C(321000)", 32, 1024, 200},
50 {0x0c12, 0x700d, "LAP-C(322000)", 32, 2048, 200},
51 {0x0c12, 0x700e, "LAP-C(16032)", 16, 32, 100},
52 {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200},
53 {0x0c12, 0x7100, "AKIP-9101", 16, 256, 200},
57 static const uint32_t drvopts[] = {
58 SR_CONF_LOGIC_ANALYZER,
61 static const uint32_t devopts[] = {
62 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_LIST,
63 SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
64 SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
65 SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
66 SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
69 static const int32_t trigger_matches[] = {
75 * ZEROPLUS LAP-C (16032) numbers the 16 channels A0-A7 and B0-B7.
76 * We currently ignore other untested/unsupported devices here.
78 static const char *channel_names[] = {
79 "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
80 "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
81 "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7",
82 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
86 * The hardware supports more samplerates than these, but these are the
87 * options hardcoded into the vendor's Windows GUI.
90 static const uint64_t samplerates_100[] = {
109 const uint64_t samplerates_200[] = {
130 static int dev_close(struct sr_dev_inst *sdi);
132 SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate)
136 for (i = 0; ARRAY_SIZE(samplerates_200); i++)
137 if (samplerate == samplerates_200[i])
140 if (i == ARRAY_SIZE(samplerates_200) || samplerate > devc->max_samplerate) {
141 sr_err("Unsupported samplerate: %" PRIu64 "Hz.", samplerate);
145 sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate);
147 if (samplerate >= SR_MHZ(1))
148 analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ);
149 else if (samplerate >= SR_KHZ(1))
150 analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ);
152 analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
154 devc->cur_samplerate = samplerate;
159 static GSList *scan(struct sr_dev_driver *di, GSList *options)
161 struct sr_dev_inst *sdi;
162 struct drv_context *drvc;
163 struct dev_context *devc;
164 const struct zp_model *prof;
165 struct libusb_device_descriptor des;
166 struct libusb_device_handle *hdl;
167 libusb_device **devlist;
170 char serial_num[64], connection_id[64];
178 /* Find all ZEROPLUS analyzers and add them to device list. */
179 libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
181 for (i = 0; devlist[i]; i++) {
182 libusb_get_device_descriptor(devlist[i], &des);
184 if ((ret = libusb_open(devlist[i], &hdl)) < 0)
187 if (des.iSerialNumber == 0) {
188 serial_num[0] = '\0';
189 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
190 des.iSerialNumber, (unsigned char *) serial_num,
191 sizeof(serial_num))) < 0) {
192 sr_warn("Failed to get serial number string descriptor: %s.",
193 libusb_error_name(ret));
199 usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
202 for (j = 0; j < zeroplus_models[j].vid; j++) {
203 if (des.idVendor == zeroplus_models[j].vid &&
204 des.idProduct == zeroplus_models[j].pid) {
205 prof = &zeroplus_models[j];
208 /* Skip if the device was not found. */
211 sr_info("Found ZEROPLUS %s.", prof->model_name);
213 /* Register the device with libsigrok. */
214 sdi = g_malloc0(sizeof(struct sr_dev_inst));
215 sdi->status = SR_ST_INACTIVE;
216 sdi->vendor = g_strdup(VENDOR_NAME);
217 sdi->model = g_strdup(prof->model_name);
218 sdi->serial_num = g_strdup(serial_num);
219 sdi->connection_id = g_strdup(connection_id);
221 /* Allocate memory for our private driver context. */
222 devc = g_malloc0(sizeof(struct dev_context));
225 devc->num_channels = prof->channels;
226 #ifdef ZP_EXPERIMENTAL
227 devc->max_sample_depth = 128 * 1024;
228 devc->max_samplerate = 200;
230 devc->max_sample_depth = prof->sample_depth * 1024;
231 devc->max_samplerate = prof->max_sampling_freq;
233 devc->max_samplerate *= SR_MHZ(1);
234 devc->memory_size = MEMORY_SIZE_8K;
235 // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES);
237 /* Fill in channellist according to this device's profile. */
238 for (j = 0; j < devc->num_channels; j++)
239 sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE,
242 devices = g_slist_append(devices, sdi);
243 sdi->inst_type = SR_INST_USB;
244 sdi->conn = sr_usb_dev_inst_new(
245 libusb_get_bus_number(devlist[i]),
246 libusb_get_device_address(devlist[i]), NULL);
248 libusb_free_device_list(devlist, 1);
250 return std_scan_complete(di, devices);
253 static int dev_open(struct sr_dev_inst *sdi)
255 struct sr_dev_driver *di = sdi->driver;
256 struct dev_context *devc;
257 struct drv_context *drvc;
258 struct sr_usb_dev_inst *usb;
265 ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb);
269 sdi->status = SR_ST_ACTIVE;
271 ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION);
273 sr_err("Unable to set USB configuration %d: %s.",
274 USB_CONFIGURATION, libusb_error_name(ret));
278 ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
280 sr_err("Unable to claim interface: %s.",
281 libusb_error_name(ret));
285 /* Set default configuration after power on. */
286 if (analyzer_read_status(usb->devhdl) == 0)
287 analyzer_configure(usb->devhdl);
289 analyzer_reset(usb->devhdl);
290 analyzer_initialize(usb->devhdl);
292 //analyzer_set_memory_size(MEMORY_SIZE_512K);
293 // analyzer_set_freq(g_freq, g_freq_scale);
294 analyzer_set_trigger_count(1);
295 // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
296 // * get_memory_size(g_memory_size)) / 100) >> 2);
299 if (g_double_mode == 1)
300 analyzer_set_compression(COMPRESSION_DOUBLE);
301 else if (g_compression == 1)
302 analyzer_set_compression(COMPRESSION_ENABLE);
305 analyzer_set_compression(COMPRESSION_NONE);
307 if (devc->cur_samplerate == 0) {
308 /* Samplerate hasn't been set. Default to 1MHz. */
309 analyzer_set_freq(1, FREQ_SCALE_MHZ);
310 devc->cur_samplerate = SR_MHZ(1);
313 if (devc->cur_threshold == 0)
314 set_voltage_threshold(devc, 1.5);
319 static int dev_close(struct sr_dev_inst *sdi)
321 struct sr_usb_dev_inst *usb;
328 sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.",
329 usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
330 libusb_release_interface(usb->devhdl, USB_INTERFACE);
331 libusb_reset_device(usb->devhdl);
332 libusb_close(usb->devhdl);
334 sdi->status = SR_ST_INACTIVE;
339 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
340 const struct sr_channel_group *cg)
342 struct dev_context *devc;
353 case SR_CONF_SAMPLERATE:
354 *data = g_variant_new_uint64(devc->cur_samplerate);
356 case SR_CONF_CAPTURE_RATIO:
357 *data = g_variant_new_uint64(devc->capture_ratio);
359 case SR_CONF_VOLTAGE_THRESHOLD:
360 range[0] = g_variant_new_double(devc->cur_threshold);
361 range[1] = g_variant_new_double(devc->cur_threshold);
362 *data = g_variant_new_tuple(range, 2);
371 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
372 const struct sr_channel_group *cg)
374 struct dev_context *devc;
379 if (sdi->status != SR_ST_ACTIVE)
380 return SR_ERR_DEV_CLOSED;
385 case SR_CONF_SAMPLERATE:
386 return zp_set_samplerate(devc, g_variant_get_uint64(data));
387 case SR_CONF_LIMIT_SAMPLES:
388 return set_limit_samples(devc, g_variant_get_uint64(data));
389 case SR_CONF_CAPTURE_RATIO:
390 return set_capture_ratio(devc, g_variant_get_uint64(data));
391 case SR_CONF_VOLTAGE_THRESHOLD:
392 g_variant_get(data, "(dd)", &low, &high);
393 return set_voltage_threshold(devc, (low + high) / 2.0);
401 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
402 const struct sr_channel_group *cg)
404 struct dev_context *devc;
405 GVariant *gvar, *grange[2];
413 case SR_CONF_DEVICE_OPTIONS:
415 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
416 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
418 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
419 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
422 case SR_CONF_SAMPLERATE:
424 g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
425 if (devc->prof->max_sampling_freq == 100) {
426 gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
427 samplerates_100, ARRAY_SIZE(samplerates_100),
429 } else if (devc->prof->max_sampling_freq == 200) {
430 gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
431 samplerates_200, ARRAY_SIZE(samplerates_200),
434 sr_err("Internal error: Unknown max. samplerate: %d.",
435 devc->prof->max_sampling_freq);
438 g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
439 *data = g_variant_builder_end(&gvb);
441 case SR_CONF_TRIGGER_MATCH:
442 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
443 trigger_matches, ARRAY_SIZE(trigger_matches),
446 case SR_CONF_VOLTAGE_THRESHOLD:
447 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
448 for (v = -6.0; v <= 6.0; v += 0.1) {
449 range[0] = g_variant_new_double(v);
450 range[1] = g_variant_new_double(v);
451 gvar = g_variant_new_tuple(range, 2);
452 g_variant_builder_add_value(&gvb, gvar);
454 *data = g_variant_builder_end(&gvb);
456 case SR_CONF_LIMIT_SAMPLES:
460 grange[0] = g_variant_new_uint64(0);
461 grange[1] = g_variant_new_uint64(devc->max_sample_depth);
462 *data = g_variant_new_tuple(grange, 2);
471 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
473 struct dev_context *devc;
474 struct sr_usb_dev_inst *usb;
475 struct sr_datafeed_packet packet;
476 struct sr_datafeed_logic logic;
477 unsigned int samples_read;
479 unsigned int packet_num, n;
482 unsigned int stop_address;
483 unsigned int now_address;
484 unsigned int trigger_address;
485 unsigned int trigger_offset;
486 unsigned int triggerbar;
487 unsigned int ramsize_trigger;
488 unsigned int memory_size;
489 unsigned int valid_samples;
490 unsigned int discard;
493 if (sdi->status != SR_ST_ACTIVE)
494 return SR_ERR_DEV_CLOSED;
498 if (analyzer_add_triggers(sdi) != SR_OK) {
499 sr_err("Failed to configure triggers.");
505 set_triggerbar(devc);
507 /* Push configured settings to device. */
508 analyzer_configure(usb->devhdl);
510 analyzer_start(usb->devhdl);
511 sr_info("Waiting for data.");
512 analyzer_wait_data(usb->devhdl);
514 status = analyzer_read_status(usb->devhdl);
515 stop_address = analyzer_get_stop_address(usb->devhdl);
516 now_address = analyzer_get_now_address(usb->devhdl);
517 trigger_address = analyzer_get_trigger_address(usb->devhdl);
519 triggerbar = analyzer_get_triggerbar_address();
520 ramsize_trigger = analyzer_get_ramsize_trigger_address();
522 n = get_memory_size(devc->memory_size);
525 sr_info("Status = 0x%x.", status);
526 sr_info("Stop address = 0x%x.", stop_address);
527 sr_info("Now address = 0x%x.", now_address);
528 sr_info("Trigger address = 0x%x.", trigger_address);
529 sr_info("Triggerbar address = 0x%x.", triggerbar);
530 sr_info("Ramsize trigger = 0x%x.", ramsize_trigger);
531 sr_info("Memory size = 0x%x.", memory_size);
533 std_session_send_df_header(sdi);
535 /* Check for empty capture */
536 if ((status & STATUS_READY) && !stop_address) {
537 std_session_send_df_end(sdi);
541 buf = g_malloc(PACKET_SIZE);
543 /* Check if the trigger is in the samples we are throwing away */
544 trigger_now = now_address == trigger_address ||
545 ((now_address + 1) % memory_size) == trigger_address;
548 * STATUS_READY doesn't clear until now_address advances past
549 * addr 0, but for our logic, clear it in that case
552 status &= ~STATUS_READY;
554 analyzer_read_start(usb->devhdl);
556 /* Calculate how much data to discard */
558 if (status & STATUS_READY) {
560 * We haven't wrapped around, we need to throw away data from
561 * our current position to the end of the buffer.
562 * Additionally, the first two samples captured are always
565 discard += memory_size - now_address + 2;
569 /* If we have more samples than we need, discard them */
570 valid_samples = (stop_address - now_address) % memory_size;
571 if (valid_samples > ramsize_trigger + triggerbar) {
572 discard += valid_samples - (ramsize_trigger + triggerbar);
573 now_address += valid_samples - (ramsize_trigger + triggerbar);
576 sr_info("Need to discard %d samples.", discard);
578 /* Calculate how far in the trigger is */
582 trigger_offset = (trigger_address - now_address) % memory_size;
584 /* Recalculate the number of samples available */
585 valid_samples = (stop_address - now_address) % memory_size;
587 /* Send the incoming transfer to the session bus. */
589 for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
591 unsigned int buf_offset;
593 res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE);
594 sr_info("Tried to read %d bytes, actually read %d bytes.",
597 if (discard >= PACKET_SIZE / 4) {
598 discard -= PACKET_SIZE / 4;
602 len = PACKET_SIZE - discard * 4;
603 buf_offset = discard * 4;
606 /* Check if we've read all the samples */
607 if (samples_read + len / 4 >= valid_samples)
608 len = (valid_samples - samples_read) * 4;
612 if (samples_read < trigger_offset &&
613 samples_read + len / 4 > trigger_offset) {
614 /* Send out samples remaining before trigger */
615 packet.type = SR_DF_LOGIC;
616 packet.payload = &logic;
617 logic.length = (trigger_offset - samples_read) * 4;
619 logic.data = buf + buf_offset;
620 sr_session_send(sdi, &packet);
622 samples_read += logic.length / 4;
623 buf_offset += logic.length;
626 if (samples_read == trigger_offset) {
627 /* Send out trigger */
628 packet.type = SR_DF_TRIGGER;
629 packet.payload = NULL;
630 sr_session_send(sdi, &packet);
633 /* Send out data (or data after trigger) */
634 packet.type = SR_DF_LOGIC;
635 packet.payload = &logic;
638 logic.data = buf + buf_offset;
639 sr_session_send(sdi, &packet);
640 samples_read += len / 4;
642 analyzer_read_stop(usb->devhdl);
645 std_session_send_df_end(sdi);
650 /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
651 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
653 struct sr_usb_dev_inst *usb;
655 std_session_send_df_end(sdi);
658 analyzer_reset(usb->devhdl);
659 /* TODO: Need to cancel and free any queued up transfers. */
664 static struct sr_dev_driver zeroplus_logic_cube_driver_info = {
665 .name = "zeroplus-logic-cube",
666 .longname = "ZEROPLUS Logic Cube LAP-C series",
669 .cleanup = std_cleanup,
671 .dev_list = std_dev_list,
673 .config_get = config_get,
674 .config_set = config_set,
675 .config_list = config_list,
676 .dev_open = dev_open,
677 .dev_close = dev_close,
678 .dev_acquisition_start = dev_acquisition_start,
679 .dev_acquisition_stop = dev_acquisition_stop,
682 SR_REGISTER_DEV_DRIVER(zeroplus_logic_cube_driver_info);