2 * This file is part of the sigrok project.
4 * Copyright (C) 2010 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/>.
30 #define USB_VENDOR 0x0c12
31 #define USB_VENDOR_NAME "Zeroplus"
32 #define USB_MODEL_NAME "Logic Cube"
33 #define USB_MODEL_VERSION ""
35 #define USB_INTERFACE 0
36 #define USB_CONFIGURATION 1
37 #define NUM_TRIGGER_STAGES 4
38 #define TRIGGER_TYPES "01"
40 #define PACKET_SIZE 2048 /* ?? */
45 unsigned int channels;
46 unsigned int sample_depth; /* In Ksamples/channel */
47 unsigned int max_sampling_freq;
51 * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the
52 * same 128K sample depth.
54 model_t zeroplus_models[] = {
55 {0x7009, "LAP-C(16064)", 16, 64, 100},
56 {0x700A, "LAP-C(16128)", 16, 128, 200},
57 {0x700B, "LAP-C(32128)", 32, 128, 200},
58 {0x700C, "LAP-C(321000)", 32, 1024, 200},
59 {0x700D, "LAP-C(322000)", 32, 2048, 200},
60 {0x700E, "LAP-C(16032)", 16, 32, 100},
61 {0x7016, "LAP-C(162000)", 16, 2048, 200},
64 static int capabilities[] = {
70 /* These are really implemented in the driver, not the hardware. */
75 /* List of struct sigrok_device_instance, maintained by opendev()/closedev(). */
76 static GSList *device_instances = NULL;
78 static libusb_context *usb_context = NULL;
81 * The hardware supports more samplerates than these, but these are the
82 * options hardcoded into the vendor's Windows GUI.
86 * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up
89 static uint64_t supported_samplerates[] = {
111 static struct samplerates samplerates = {
113 supported_samplerates,
116 /* TODO: All of these should go in a device-specific struct. */
117 static uint64_t cur_samplerate = 0;
118 static uint64_t limit_samples = 0;
119 int num_channels = 32; /* TODO: This isn't initialized before it's needed :( */
120 uint64_t memory_size = 0;
121 static uint8_t probe_mask = 0;
122 static uint8_t trigger_mask[NUM_TRIGGER_STAGES] = { 0 };
123 static uint8_t trigger_value[NUM_TRIGGER_STAGES] = { 0 };
125 // static uint8_t trigger_buffer[NUM_TRIGGER_STAGES] = { 0 };
127 static int hw_set_configuration(int device_index, int capability, void *value);
129 static unsigned int get_memory_size(int type)
131 if (type == MEMORY_SIZE_8K)
133 else if (type == MEMORY_SIZE_64K)
135 else if (type == MEMORY_SIZE_128K)
137 else if (type == MEMORY_SIZE_512K)
143 static int opendev4(struct sigrok_device_instance **sdi, libusb_device *dev,
144 struct libusb_device_descriptor *des)
149 if ((err = libusb_get_device_descriptor(dev, des))) {
150 g_warning("failed to get device descriptor: %d", err);
154 if (des->idVendor != USB_VENDOR)
157 if (libusb_get_bus_number(dev) == (*sdi)->usb->bus
158 && libusb_get_device_address(dev) == (*sdi)->usb->address) {
160 for (i = 0; i < ARRAY_SIZE(zeroplus_models); i++) {
161 if (!(des->idProduct == zeroplus_models[i].pid))
164 g_message("Found PID=%04X (%s)", des->idProduct,
165 zeroplus_models[i].model_name);
166 num_channels = zeroplus_models[i].channels;
167 memory_size = zeroplus_models[i].sample_depth * 1024;
171 if (num_channels == 0) {
172 g_warning("Unknown ZeroPlus device %04X",
178 if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
179 (*sdi)->status = ST_ACTIVE;
180 g_message("opened device %d on %d.%d interface %d",
181 (*sdi)->index, (*sdi)->usb->bus,
182 (*sdi)->usb->address, USB_INTERFACE);
184 g_warning("failed to open device: %d", err);
192 struct sigrok_device_instance *zp_open_device(int device_index)
194 struct sigrok_device_instance *sdi;
195 libusb_device **devlist;
196 struct libusb_device_descriptor des;
199 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
202 libusb_get_device_list(usb_context, &devlist);
203 if (sdi->status == ST_INACTIVE) {
204 /* Find the device by vendor, product, bus and address. */
205 libusb_get_device_list(usb_context, &devlist);
206 for (i = 0; devlist[i]; i++) {
207 /* TODO: Error handling. */
208 err = opendev4(&sdi, devlist[i], &des);
211 /* Status must be ST_ACTIVE, i.e. already in use... */
214 libusb_free_device_list(devlist, 1);
216 if (sdi && sdi->status != ST_ACTIVE)
222 static void close_device(struct sigrok_device_instance *sdi)
224 if (!sdi->usb->devhdl)
227 g_message("closing device %d on %d.%d interface %d", sdi->index,
228 sdi->usb->bus, sdi->usb->address, USB_INTERFACE);
229 libusb_release_interface(sdi->usb->devhdl, USB_INTERFACE);
230 libusb_close(sdi->usb->devhdl);
231 sdi->usb->devhdl = NULL;
232 sdi->status = ST_INACTIVE;
235 static int configure_probes(GSList *probes)
239 int probe_bit, stage, i;
243 for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
245 trigger_value[i] = 0;
249 for (l = probes; l; l = l->next) {
250 probe = (struct probe *)l->data;
251 if (probe->enabled == FALSE)
253 probe_bit = 1 << (probe->index - 1);
254 probe_mask |= probe_bit;
256 if (probe->trigger) {
258 for (tc = probe->trigger; *tc; tc++) {
259 trigger_mask[stage] |= probe_bit;
261 trigger_value[stage] |= probe_bit;
263 if (stage > NUM_TRIGGER_STAGES)
276 static int hw_init(char *deviceinfo)
278 struct sigrok_device_instance *sdi;
279 struct libusb_device_descriptor des;
280 libusb_device **devlist;
284 deviceinfo = deviceinfo;
286 if (libusb_init(&usb_context) != 0) {
287 g_warning("Failed to initialize USB.");
291 /* Find all ZeroPlus analyzers and add them to device list. */
293 libusb_get_device_list(usb_context, &devlist);
295 for (i = 0; devlist[i]; i++) {
296 err = libusb_get_device_descriptor(devlist[i], &des);
298 g_warning("failed to get device descriptor: %d", err);
302 if (des.idVendor == USB_VENDOR) {
304 * Definitely a Zeroplus.
305 * TODO: Any way to detect specific model/version in
306 * the zeroplus range?
308 sdi = sigrok_device_instance_new(devcnt,
309 ST_INACTIVE, USB_VENDOR_NAME,
310 USB_MODEL_NAME, USB_MODEL_VERSION);
314 g_slist_append(device_instances, sdi);
315 sdi->usb = usb_device_instance_new(
316 libusb_get_bus_number(devlist[i]),
317 libusb_get_device_address(devlist[i]), NULL);
321 libusb_free_device_list(devlist, 1);
326 static int hw_opendev(int device_index)
328 struct sigrok_device_instance *sdi;
331 if (!(sdi = zp_open_device(device_index))) {
332 g_warning("unable to open device");
336 err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE);
338 g_warning("Unable to claim interface: %d", err);
341 analyzer_reset(sdi->usb->devhdl);
342 analyzer_initialize(sdi->usb->devhdl);
343 analyzer_configure(sdi->usb->devhdl);
345 analyzer_set_memory_size(MEMORY_SIZE_512K);
346 // analyzer_set_freq(g_freq, g_freq_scale);
347 analyzer_set_trigger_count(1);
348 // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
349 // * get_memory_size(g_memory_size)) / 100) >> 2);
350 analyzer_set_ramsize_trigger_address(
351 (100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2);
354 if (g_double_mode == 1)
355 analyzer_set_compression(COMPRESSION_DOUBLE);
356 else if (g_compression == 1)
357 analyzer_set_compression(COMPRESSION_ENABLE);
360 analyzer_set_compression(COMPRESSION_NONE);
362 if (cur_samplerate == 0) {
363 /* Samplerate hasn't been set. Default to the slowest one. */
364 if (hw_set_configuration(device_index, HWCAP_SAMPLERATE,
365 &samplerates.low) == SIGROK_ERR)
372 static void hw_closedev(int device_index)
374 struct sigrok_device_instance *sdi;
376 if ((sdi = get_sigrok_device_instance(device_instances, device_index)))
380 static void hw_cleanup(void)
384 /* Properly close all devices... */
385 for (l = device_instances; l; l = l->next)
386 close_device((struct sigrok_device_instance *)l->data);
388 /* ...and free all their memory. */
389 for (l = device_instances; l; l = l->next)
391 g_slist_free(device_instances);
392 device_instances = NULL;
395 libusb_exit(usb_context);
399 static void *hw_get_device_info(int device_index, int device_info_id)
401 struct sigrok_device_instance *sdi;
404 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
407 switch (device_info_id) {
412 info = GINT_TO_POINTER(num_channels);
417 case DI_TRIGGER_TYPES:
418 info = TRIGGER_TYPES;
420 case DI_CUR_SAMPLERATE:
421 info = &cur_samplerate;
428 static int hw_get_status(int device_index)
430 struct sigrok_device_instance *sdi;
432 sdi = get_sigrok_device_instance(device_instances, device_index);
439 static int *hw_get_capabilities(void)
444 /* TODO: This will set the same samplerate for all devices. */
445 static int set_configuration_samplerate(uint64_t samplerate)
447 g_message("%s(%llu)", __FUNCTION__, samplerate);
448 if (samplerate > MHZ(1))
449 analyzer_set_freq(samplerate / MHZ(1), FREQ_SCALE_MHZ);
450 else if (samplerate > KHZ(1))
451 analyzer_set_freq(samplerate / KHZ(1), FREQ_SCALE_KHZ);
453 analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
455 cur_samplerate = samplerate;
460 static int hw_set_configuration(int device_index, int capability, void *value)
462 struct sigrok_device_instance *sdi;
465 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
468 switch (capability) {
469 case HWCAP_SAMPLERATE:
471 return set_configuration_samplerate(*tmp_u64);
472 case HWCAP_PROBECONFIG:
473 return configure_probes((GSList *) value);
474 case HWCAP_LIMIT_SAMPLES:
475 limit_samples = strtoull(value, NULL, 10);
482 static int hw_start_acquisition(int device_index, gpointer session_device_id)
484 struct sigrok_device_instance *sdi;
485 struct datafeed_packet packet;
486 struct datafeed_header header;
488 unsigned int packet_num;
491 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
494 analyzer_start(sdi->usb->devhdl);
495 g_message("Waiting for data");
496 analyzer_wait_data(sdi->usb->devhdl);
498 g_message("Stop address = 0x%x",
499 analyzer_get_stop_address(sdi->usb->devhdl));
500 g_message("Now address = 0x%x",
501 analyzer_get_now_address(sdi->usb->devhdl));
502 g_message("Trigger address = 0x%x",
503 analyzer_get_trigger_address(sdi->usb->devhdl));
505 packet.type = DF_HEADER;
506 packet.length = sizeof(struct datafeed_header);
507 packet.payload = (unsigned char *)&header;
508 header.feed_version = 1;
509 gettimeofday(&header.starttime, NULL);
510 header.samplerate = cur_samplerate;
511 header.protocol_id = PROTO_RAW;
512 header.num_probes = num_channels;
513 session_bus(session_device_id, &packet);
515 buf = g_malloc(PACKET_SIZE);
518 analyzer_read_start(sdi->usb->devhdl);
519 /* Send the incoming transfer to the session bus. */
520 for (packet_num = 0; packet_num < (memory_size * 4 / PACKET_SIZE);
522 res = analyzer_read_data(sdi->usb->devhdl, buf, PACKET_SIZE);
524 g_message("Tried to read %llx bytes, actually read %x bytes",
528 packet.type = DF_LOGIC32;
529 packet.length = PACKET_SIZE;
530 packet.payload = buf;
531 session_bus(session_device_id, &packet);
533 analyzer_read_stop(sdi->usb->devhdl);
536 packet.type = DF_END;
537 session_bus(session_device_id, &packet);
542 /* This stops acquisition on ALL devices, ignoring device_index. */
543 static void hw_stop_acquisition(int device_index, gpointer session_device_id)
545 struct datafeed_packet packet;
546 struct sigrok_device_instance *sdi;
548 packet.type = DF_END;
549 session_bus(session_device_id, &packet);
551 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
552 return; /* TODO: Cry? */
554 analyzer_reset(sdi->usb->devhdl);
555 /* TODO: Need to cancel and free any queued up transfers. */
558 struct device_plugin zeroplus_logic_cube_plugin_info = {
559 "zeroplus-logic-cube",
568 hw_set_configuration,
569 hw_start_acquisition,