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 struct sigrok_device_instance *zp_open_device(int device_index)
145 struct sigrok_device_instance *sdi;
146 libusb_device **devlist;
147 struct libusb_device_descriptor des;
151 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
154 libusb_get_device_list(usb_context, &devlist);
155 if (sdi->status == ST_INACTIVE) {
156 /* Find the device by vendor, product, bus and address. */
157 libusb_get_device_list(usb_context, &devlist);
158 for (i = 0; devlist[i]; i++) {
159 if ((err = libusb_get_device_descriptor(devlist[i],
161 g_warning("failed to get device descriptor:"
166 if (des.idVendor == USB_VENDOR) {
167 if (libusb_get_bus_number(devlist[i]) ==
169 && libusb_get_device_address(devlist[i]) ==
172 j < ARRAY_SIZE(zeroplus_models);
175 zeroplus_models[j].pid) {
177 ("Found PID=%04X (%s)",
190 if (num_channels == 0) {
192 ("Unknown ZeroPlus device %04X",
197 if (!(err = libusb_open(devlist[i],
198 &(sdi->usb->devhdl)))) {
199 sdi->status = ST_ACTIVE;
200 g_message("opened device %d on"
201 " %d.%d interface %d",
202 sdi->index, sdi->usb->bus,
206 g_warning("failed to open "
214 /* Status must be ST_ACTIVE, i.e. already in use... */
217 libusb_free_device_list(devlist, 1);
219 if (sdi && sdi->status != ST_ACTIVE)
225 static void close_device(struct sigrok_device_instance *sdi)
227 if (sdi->usb->devhdl) {
228 g_message("closing device %d on %d.%d interface %d", sdi->index,
229 sdi->usb->bus, sdi->usb->address, USB_INTERFACE);
230 libusb_release_interface(sdi->usb->devhdl, USB_INTERFACE);
231 libusb_close(sdi->usb->devhdl);
232 sdi->usb->devhdl = NULL;
233 sdi->status = ST_INACTIVE;
237 static int configure_probes(GSList *probes)
241 int probe_bit, stage, i;
245 for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
247 trigger_value[i] = 0;
251 for (l = probes; l; l = l->next) {
252 probe = (struct probe *)l->data;
253 if (probe->enabled == FALSE)
255 probe_bit = 1 << (probe->index - 1);
256 probe_mask |= probe_bit;
258 if (probe->trigger) {
260 for (tc = probe->trigger; *tc; tc++) {
261 trigger_mask[stage] |= probe_bit;
263 trigger_value[stage] |= probe_bit;
265 if (stage > NUM_TRIGGER_STAGES)
278 static int hw_init(char *deviceinfo)
280 struct sigrok_device_instance *sdi;
281 struct libusb_device_descriptor des;
282 libusb_device **devlist;
286 deviceinfo = deviceinfo;
288 if (libusb_init(&usb_context) != 0) {
289 g_warning("Failed to initialize USB.");
293 /* Find all ZeroPlus analyzers and add them to device list. */
295 libusb_get_device_list(usb_context, &devlist);
297 for (i = 0; devlist[i]; i++) {
298 err = libusb_get_device_descriptor(devlist[i], &des);
300 g_warning("failed to get device descriptor: %d", err);
304 if (des.idVendor == USB_VENDOR) {
306 * Definitely a Zeroplus.
307 * TODO: Any way to detect specific model/version in
308 * the zeroplus range?
310 sdi = sigrok_device_instance_new(devcnt,
311 ST_INACTIVE, USB_VENDOR_NAME,
312 USB_MODEL_NAME, USB_MODEL_VERSION);
316 g_slist_append(device_instances, sdi);
317 sdi->usb = usb_device_instance_new(
318 libusb_get_bus_number(devlist[i]),
319 libusb_get_device_address(devlist[i]), NULL);
323 libusb_free_device_list(devlist, 1);
328 static int hw_opendev(int device_index)
330 struct sigrok_device_instance *sdi;
333 if (!(sdi = zp_open_device(device_index))) {
334 g_warning("unable to open device");
338 err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE);
340 g_warning("Unable to claim interface: %d", err);
343 analyzer_reset(sdi->usb->devhdl);
344 analyzer_initialize(sdi->usb->devhdl);
345 analyzer_configure(sdi->usb->devhdl);
347 analyzer_set_memory_size(MEMORY_SIZE_512K);
348 // analyzer_set_freq(g_freq, g_freq_scale);
349 analyzer_set_trigger_count(1);
350 // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) * get_memory_size(g_memory_size)) / 100) >> 2);
351 analyzer_set_ramsize_trigger_address(
352 (100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2);
355 if (g_double_mode == 1)
356 analyzer_set_compression(COMPRESSION_DOUBLE);
357 else if (g_compression == 1)
358 analyzer_set_compression(COMPRESSION_ENABLE);
361 analyzer_set_compression(COMPRESSION_NONE);
363 if (cur_samplerate == 0) {
364 /* Sample rate hasn't been set. Default to the slowest one. */
365 if (hw_set_configuration(device_index, HWCAP_SAMPLERATE,
366 &samplerates.low) == SIGROK_ERR)
373 static void hw_closedev(int device_index)
375 struct sigrok_device_instance *sdi;
377 if ((sdi = get_sigrok_device_instance(device_instances, device_index)))
381 static void hw_cleanup(void)
385 /* Properly close all devices. */
386 for (l = device_instances; l; l = l->next)
387 close_device((struct sigrok_device_instance *)l->data);
389 /* And free all their memory. */
390 for (l = device_instances; l; l = l->next)
392 g_slist_free(device_instances);
393 device_instances = NULL;
396 libusb_exit(usb_context);
400 static void *hw_get_device_info(int device_index, int device_info_id)
402 struct sigrok_device_instance *sdi;
405 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
409 switch (device_info_id) {
414 info = GINT_TO_POINTER(num_channels);
419 case DI_TRIGGER_TYPES:
420 info = TRIGGER_TYPES;
422 case DI_CUR_SAMPLERATE:
423 info = &cur_samplerate;
430 static int hw_get_status(int device_index)
432 struct sigrok_device_instance *sdi;
434 sdi = get_sigrok_device_instance(device_instances, device_index);
441 static int *hw_get_capabilities(void)
446 /* TODO: This will set the same samplerate for all devices. */
447 static int set_configuration_samplerate(uint64_t samplerate)
449 g_message("%s(%llu)", __FUNCTION__, samplerate);
450 if (samplerate > MHZ(1))
451 analyzer_set_freq(samplerate / MHZ(1), FREQ_SCALE_MHZ);
452 else if (samplerate > KHZ(1))
453 analyzer_set_freq(samplerate / KHZ(1), FREQ_SCALE_KHZ);
455 analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
457 cur_samplerate = samplerate;
462 static int hw_set_configuration(int device_index, int capability, void *value)
464 struct sigrok_device_instance *sdi;
467 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
470 switch (capability) {
471 case HWCAP_SAMPLERATE:
473 return set_configuration_samplerate(*tmp_u64);
474 case HWCAP_PROBECONFIG:
475 return configure_probes((GSList *) value);
476 case HWCAP_LIMIT_SAMPLES:
477 limit_samples = strtoull(value, NULL, 10);
484 static int hw_start_acquisition(int device_index, gpointer session_device_id)
486 struct sigrok_device_instance *sdi;
487 struct datafeed_packet packet;
488 struct datafeed_header header;
490 unsigned int packet_num;
493 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
496 analyzer_start(sdi->usb->devhdl);
497 g_message("Waiting for data");
498 analyzer_wait_data(sdi->usb->devhdl);
500 g_message("Stop address = 0x%x",
501 analyzer_get_stop_address(sdi->usb->devhdl));
502 g_message("Now address = 0x%x",
503 analyzer_get_now_address(sdi->usb->devhdl));
504 g_message("Trigger address = 0x%x",
505 analyzer_get_trigger_address(sdi->usb->devhdl));
507 packet.type = DF_HEADER;
508 packet.length = sizeof(struct datafeed_header);
509 packet.payload = (unsigned char *)&header;
510 header.feed_version = 1;
511 gettimeofday(&header.starttime, NULL);
512 header.samplerate = cur_samplerate;
513 header.protocol_id = PROTO_RAW;
514 header.num_probes = num_channels;
515 session_bus(session_device_id, &packet);
517 buf = g_malloc(PACKET_SIZE);
520 analyzer_read_start(sdi->usb->devhdl);
521 /* Send the incoming transfer to the session bus. */
522 for (packet_num = 0; packet_num < (memory_size * 4 / PACKET_SIZE);
524 res = analyzer_read_data(sdi->usb->devhdl, buf, PACKET_SIZE);
525 // g_message("Tried to read %llx bytes, actually read %x bytes", PACKET_SIZE, res);
527 packet.type = DF_LOGIC32;
528 packet.length = PACKET_SIZE;
529 packet.payload = buf;
530 session_bus(session_device_id, &packet);
532 analyzer_read_stop(sdi->usb->devhdl);
535 packet.type = DF_END;
536 session_bus(session_device_id, &packet);
541 /* This stops acquisition on ALL devices, ignoring device_index. */
542 static void hw_stop_acquisition(int device_index, gpointer session_device_id)
544 struct datafeed_packet packet;
545 struct sigrok_device_instance *sdi;
547 packet.type = DF_END;
548 session_bus(session_device_id, &packet);
550 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
551 return; /* TODO: Cry? */
553 analyzer_reset(sdi->usb->devhdl);
554 /* TODO: Need to cancel and free any queued up transfers. */
557 struct device_plugin zeroplus_logic_cube_plugin_info = {
558 "zeroplus-logic-cube",
567 hw_set_configuration,
568 hw_start_acquisition,