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, 0x7007, "LAP-16032U", 16, 32, 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, 0x7025, "LAP-C(16128+)", 16, 128, 200},
54 {0x0c12, 0x7064, "Logian-16L", 16, 128, 200},
55 {0x0c12, 0x7100, "AKIP-9101", 16, 256, 200},
59 static const uint32_t drvopts[] = {
60 SR_CONF_LOGIC_ANALYZER,
63 static const uint32_t devopts[] = {
64 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_LIST,
65 SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
66 SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
67 SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
68 SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
71 static const int32_t trigger_matches[] = {
80 * ZEROPLUS LAP-C (16032) numbers the 16 channels A0-A7 and B0-B7.
81 * We currently ignore other untested/unsupported devices here.
83 static const char *channel_names[] = {
84 "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
85 "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
86 "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7",
87 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
91 * The hardware supports more samplerates than these, but these are the
92 * options hardcoded into the vendor's Windows GUI.
95 static const uint64_t samplerates_100[] = {
114 const uint64_t samplerates_200[] = {
135 SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate)
139 for (i = 0; ARRAY_SIZE(samplerates_200); i++)
140 if (samplerate == samplerates_200[i])
143 if (i == ARRAY_SIZE(samplerates_200) || samplerate > devc->max_samplerate) {
144 sr_err("Unsupported samplerate: %" PRIu64 "Hz.", samplerate);
148 sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate);
150 if (samplerate >= SR_MHZ(1))
151 analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ);
152 else if (samplerate >= SR_KHZ(1))
153 analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ);
155 analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
157 devc->cur_samplerate = samplerate;
162 static GSList *scan(struct sr_dev_driver *di, GSList *options)
164 struct sr_dev_inst *sdi;
165 struct drv_context *drvc;
166 struct dev_context *devc;
167 const struct zp_model *prof;
168 struct libusb_device_descriptor des;
169 struct libusb_device_handle *hdl;
170 libusb_device **devlist;
173 char serial_num[64], connection_id[64];
181 /* Find all ZEROPLUS analyzers and add them to device list. */
182 libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
184 for (i = 0; devlist[i]; i++) {
185 libusb_get_device_descriptor(devlist[i], &des);
187 if ((ret = libusb_open(devlist[i], &hdl)) < 0)
190 if (des.iSerialNumber == 0) {
191 serial_num[0] = '\0';
192 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
193 des.iSerialNumber, (unsigned char *) serial_num,
194 sizeof(serial_num))) < 0) {
195 sr_warn("Failed to get serial number string descriptor: %s.",
196 libusb_error_name(ret));
202 if (usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)) < 0)
206 for (j = 0; j < zeroplus_models[j].vid; j++) {
207 if (des.idVendor == zeroplus_models[j].vid &&
208 des.idProduct == zeroplus_models[j].pid) {
209 prof = &zeroplus_models[j];
215 sr_info("Found ZEROPLUS %s.", prof->model_name);
217 sdi = g_malloc0(sizeof(struct sr_dev_inst));
218 sdi->status = SR_ST_INACTIVE;
219 sdi->vendor = g_strdup("ZEROPLUS");
220 sdi->model = g_strdup(prof->model_name);
221 sdi->serial_num = g_strdup(serial_num);
222 sdi->connection_id = g_strdup(connection_id);
224 devc = g_malloc0(sizeof(struct dev_context));
227 devc->num_channels = prof->channels;
228 #ifdef ZP_EXPERIMENTAL
229 devc->max_sample_depth = 128 * 1024;
230 devc->max_samplerate = 200;
232 devc->max_sample_depth = prof->sample_depth * 1024;
233 devc->max_samplerate = prof->max_sampling_freq;
235 devc->max_samplerate *= SR_MHZ(1);
236 devc->memory_size = MEMORY_SIZE_8K;
237 // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES);
239 for (j = 0; j < devc->num_channels; j++)
240 sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE,
243 devices = g_slist_append(devices, sdi);
244 sdi->inst_type = SR_INST_USB;
245 sdi->conn = sr_usb_dev_inst_new(
246 libusb_get_bus_number(devlist[i]),
247 libusb_get_device_address(devlist[i]), NULL);
249 libusb_free_device_list(devlist, 1);
251 return std_scan_complete(di, devices);
254 static int dev_open(struct sr_dev_inst *sdi)
256 struct sr_dev_driver *di = sdi->driver;
257 struct dev_context *devc;
258 struct drv_context *drvc;
259 struct sr_usb_dev_inst *usb;
266 ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb);
270 ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION);
272 sr_err("Unable to set USB configuration %d: %s.",
273 USB_CONFIGURATION, libusb_error_name(ret));
277 ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
279 sr_err("Unable to claim interface: %s.",
280 libusb_error_name(ret));
284 /* Set default configuration after power on. */
285 if (analyzer_read_status(usb->devhdl) == 0)
286 analyzer_configure(usb->devhdl);
288 analyzer_reset(usb->devhdl);
289 analyzer_initialize(usb->devhdl);
291 //analyzer_set_memory_size(MEMORY_SIZE_512K);
292 // analyzer_set_freq(g_freq, g_freq_scale);
293 analyzer_set_trigger_count(1);
294 // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
295 // * get_memory_size(g_memory_size)) / 100) >> 2);
298 if (g_double_mode == 1)
299 analyzer_set_compression(COMPRESSION_DOUBLE);
300 else if (g_compression == 1)
301 analyzer_set_compression(COMPRESSION_ENABLE);
304 analyzer_set_compression(COMPRESSION_NONE);
306 if (devc->cur_samplerate == 0) {
307 /* Samplerate hasn't been set. Default to 1MHz. */
308 analyzer_set_freq(1, FREQ_SCALE_MHZ);
309 devc->cur_samplerate = SR_MHZ(1);
312 if (devc->cur_threshold == 0)
313 set_voltage_threshold(devc, 1.5);
318 static int dev_close(struct sr_dev_inst *sdi)
320 struct sr_usb_dev_inst *usb;
327 sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.",
328 usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
329 libusb_release_interface(usb->devhdl, USB_INTERFACE);
330 libusb_reset_device(usb->devhdl);
331 libusb_close(usb->devhdl);
337 static int config_get(uint32_t key, GVariant **data,
338 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
340 struct dev_context *devc;
350 case SR_CONF_SAMPLERATE:
351 *data = g_variant_new_uint64(devc->cur_samplerate);
353 case SR_CONF_CAPTURE_RATIO:
354 *data = g_variant_new_uint64(devc->capture_ratio);
356 case SR_CONF_VOLTAGE_THRESHOLD:
357 *data = std_gvar_tuple_double(devc->cur_threshold, devc->cur_threshold);
366 static int config_set(uint32_t key, GVariant *data,
367 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
369 struct dev_context *devc;
377 case SR_CONF_SAMPLERATE:
378 return zp_set_samplerate(devc, g_variant_get_uint64(data));
379 case SR_CONF_LIMIT_SAMPLES:
380 return set_limit_samples(devc, g_variant_get_uint64(data));
381 case SR_CONF_CAPTURE_RATIO:
382 devc->capture_ratio = g_variant_get_uint64(data);
384 case SR_CONF_VOLTAGE_THRESHOLD:
385 g_variant_get(data, "(dd)", &low, &high);
386 return set_voltage_threshold(devc, (low + high) / 2.0);
394 static int config_list(uint32_t key, GVariant **data,
395 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
397 struct dev_context *devc;
400 case SR_CONF_DEVICE_OPTIONS:
401 return STD_CONFIG_LIST(key, data, sdi, cg, NO_OPTS, drvopts, devopts);
402 case SR_CONF_SAMPLERATE:
404 if (devc->prof->max_sampling_freq == 100)
405 *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_100));
406 else if (devc->prof->max_sampling_freq == 200)
407 *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_200));
409 sr_err("Internal error: Unknown max. samplerate: %d.",
410 devc->prof->max_sampling_freq);
414 case SR_CONF_TRIGGER_MATCH:
415 *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
417 case SR_CONF_VOLTAGE_THRESHOLD:
418 *data = std_gvar_min_max_step_thresholds(-6.0, 6.0, 0.1);
420 case SR_CONF_LIMIT_SAMPLES:
424 *data = std_gvar_tuple_u64(0, devc->max_sample_depth);
433 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
435 struct dev_context *devc;
436 struct sr_usb_dev_inst *usb;
437 struct sr_datafeed_packet packet;
438 struct sr_datafeed_logic logic;
439 unsigned int samples_read;
441 unsigned int packet_num, n;
444 unsigned int stop_address;
445 unsigned int now_address;
446 unsigned int trigger_address;
447 unsigned int trigger_offset;
448 unsigned int triggerbar;
449 unsigned int ramsize_trigger;
450 unsigned int memory_size;
451 unsigned int valid_samples;
452 unsigned int discard;
457 if (analyzer_add_triggers(sdi) != SR_OK) {
458 sr_err("Failed to configure triggers.");
464 set_triggerbar(devc);
466 /* Push configured settings to device. */
467 analyzer_configure(usb->devhdl);
469 analyzer_start(usb->devhdl);
470 sr_info("Waiting for data.");
471 analyzer_wait_data(usb->devhdl);
473 status = analyzer_read_status(usb->devhdl);
474 stop_address = analyzer_get_stop_address(usb->devhdl);
475 now_address = analyzer_get_now_address(usb->devhdl);
476 trigger_address = analyzer_get_trigger_address(usb->devhdl);
478 triggerbar = analyzer_get_triggerbar_address();
479 ramsize_trigger = analyzer_get_ramsize_trigger_address();
481 n = get_memory_size(devc->memory_size);
484 sr_info("Status = 0x%x.", status);
485 sr_info("Stop address = 0x%x.", stop_address);
486 sr_info("Now address = 0x%x.", now_address);
487 sr_info("Trigger address = 0x%x.", trigger_address);
488 sr_info("Triggerbar address = 0x%x.", triggerbar);
489 sr_info("Ramsize trigger = 0x%x.", ramsize_trigger);
490 sr_info("Memory size = 0x%x.", memory_size);
492 std_session_send_df_header(sdi);
494 /* Check for empty capture */
495 if ((status & STATUS_READY) && !stop_address) {
496 std_session_send_df_end(sdi);
500 buf = g_malloc(PACKET_SIZE);
502 /* Check if the trigger is in the samples we are throwing away */
503 trigger_now = now_address == trigger_address ||
504 ((now_address + 1) % memory_size) == trigger_address;
507 * STATUS_READY doesn't clear until now_address advances past
508 * addr 0, but for our logic, clear it in that case
511 status &= ~STATUS_READY;
513 analyzer_read_start(usb->devhdl);
515 /* Calculate how much data to discard */
517 if (status & STATUS_READY) {
519 * We haven't wrapped around, we need to throw away data from
520 * our current position to the end of the buffer.
521 * Additionally, the first two samples captured are always
524 discard += memory_size - now_address + 2;
528 /* If we have more samples than we need, discard them */
529 valid_samples = (stop_address - now_address) % memory_size;
530 if (valid_samples > ramsize_trigger + triggerbar) {
531 discard += valid_samples - (ramsize_trigger + triggerbar);
532 now_address += valid_samples - (ramsize_trigger + triggerbar);
535 sr_info("Need to discard %d samples.", discard);
537 /* Calculate how far in the trigger is */
541 trigger_offset = (trigger_address - now_address) % memory_size;
543 /* Recalculate the number of samples available */
544 valid_samples = (stop_address - now_address) % memory_size;
546 /* Send the incoming transfer to the session bus. */
548 for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
550 unsigned int buf_offset;
552 res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE);
553 if (res != PACKET_SIZE)
554 sr_warn("Tried to read %d bytes, actually read %d.",
557 if (discard >= PACKET_SIZE / 4) {
558 discard -= PACKET_SIZE / 4;
562 len = PACKET_SIZE - discard * 4;
563 buf_offset = discard * 4;
566 /* Check if we've read all the samples */
567 if (samples_read + len / 4 >= valid_samples)
568 len = (valid_samples - samples_read) * 4;
572 if (samples_read < trigger_offset &&
573 samples_read + len / 4 > trigger_offset) {
574 /* Send out samples remaining before trigger */
575 packet.type = SR_DF_LOGIC;
576 packet.payload = &logic;
577 logic.length = (trigger_offset - samples_read) * 4;
579 logic.data = buf + buf_offset;
580 sr_session_send(sdi, &packet);
582 samples_read += logic.length / 4;
583 buf_offset += logic.length;
586 if (samples_read == trigger_offset)
587 std_session_send_df_trigger(sdi);
589 /* Send out data (or data after trigger) */
590 packet.type = SR_DF_LOGIC;
591 packet.payload = &logic;
594 logic.data = buf + buf_offset;
595 sr_session_send(sdi, &packet);
596 samples_read += len / 4;
598 analyzer_read_stop(usb->devhdl);
601 std_session_send_df_end(sdi);
606 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
608 struct sr_usb_dev_inst *usb;
610 std_session_send_df_end(sdi);
613 analyzer_reset(usb->devhdl);
614 /* TODO: Need to cancel and free any queued up transfers. */
619 static struct sr_dev_driver zeroplus_logic_cube_driver_info = {
620 .name = "zeroplus-logic-cube",
621 .longname = "ZEROPLUS Logic Cube LAP-C series",
624 .cleanup = std_cleanup,
626 .dev_list = std_dev_list,
627 .dev_clear = std_dev_clear,
628 .config_get = config_get,
629 .config_set = config_set,
630 .config_list = config_list,
631 .dev_open = dev_open,
632 .dev_close = dev_close,
633 .dev_acquisition_start = dev_acquisition_start,
634 .dev_acquisition_stop = dev_acquisition_stop,
637 SR_REGISTER_DEV_DRIVER(zeroplus_logic_cube_driver_info);