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Commit | Line | Data |
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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010 Bert Vermeulen <bert@biot.com> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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/>. | |
18 | */ | |
19 | ||
22b02383 | 20 | #include "config.h" |
a1bb33af UH |
21 | #include <stdio.h> |
22 | #include <stdlib.h> | |
23 | #include <sys/time.h> | |
24 | #include <inttypes.h> | |
25 | #include <glib.h> | |
26 | #include <libusb.h> | |
b7f09cf8 UH |
27 | #include "sigrok.h" |
28 | #include "sigrok-internal.h" | |
a1bb33af UH |
29 | #include "analyzer.h" |
30 | ||
fed16f06 UH |
31 | #define USB_VENDOR 0x0c12 |
32 | #define USB_VENDOR_NAME "Zeroplus" | |
a1bb33af UH |
33 | #define USB_MODEL_NAME "Logic Cube" |
34 | #define USB_MODEL_VERSION "" | |
35 | ||
36 | #define USB_INTERFACE 0 | |
37 | #define USB_CONFIGURATION 1 | |
38 | #define NUM_TRIGGER_STAGES 4 | |
39 | #define TRIGGER_TYPES "01" | |
40 | ||
fed16f06 | 41 | #define PACKET_SIZE 2048 /* ?? */ |
a1bb33af UH |
42 | |
43 | typedef struct { | |
44 | unsigned short pid; | |
45 | char model_name[64]; | |
46 | unsigned int channels; | |
fed16f06 | 47 | unsigned int sample_depth; /* In Ksamples/channel */ |
a1bb33af UH |
48 | unsigned int max_sampling_freq; |
49 | } model_t; | |
50 | ||
fed16f06 UH |
51 | /* |
52 | * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the | |
53 | * same 128K sample depth. | |
54 | */ | |
29cbfeaf | 55 | static model_t zeroplus_models[] = { |
a1bb33af UH |
56 | {0x7009, "LAP-C(16064)", 16, 64, 100}, |
57 | {0x700A, "LAP-C(16128)", 16, 128, 200}, | |
58 | {0x700B, "LAP-C(32128)", 32, 128, 200}, | |
59 | {0x700C, "LAP-C(321000)", 32, 1024, 200}, | |
60 | {0x700D, "LAP-C(322000)", 32, 2048, 200}, | |
61 | {0x700E, "LAP-C(16032)", 16, 32, 100}, | |
62 | {0x7016, "LAP-C(162000)", 16, 2048, 200}, | |
63 | }; | |
64 | ||
65 | static int capabilities[] = { | |
5a2326a7 UH |
66 | SR_HWCAP_LOGIC_ANALYZER, |
67 | SR_HWCAP_SAMPLERATE, | |
68 | SR_HWCAP_PROBECONFIG, | |
69 | SR_HWCAP_CAPTURE_RATIO, | |
a1bb33af | 70 | |
fed16f06 | 71 | /* These are really implemented in the driver, not the hardware. */ |
5a2326a7 | 72 | SR_HWCAP_LIMIT_SAMPLES, |
fed16f06 | 73 | 0, |
a1bb33af UH |
74 | }; |
75 | ||
464d12c7 KS |
76 | static const char* probe_names[] = { |
77 | "0", | |
78 | "1", | |
79 | "2", | |
80 | "3", | |
81 | "4", | |
82 | "5", | |
83 | "6", | |
84 | "7", | |
85 | "8", | |
86 | "9", | |
87 | "10", | |
88 | "11", | |
89 | "12", | |
90 | "13", | |
91 | "14", | |
92 | "15", | |
93 | "16", | |
94 | "17", | |
95 | "18", | |
96 | "19", | |
97 | "20", | |
98 | "21", | |
99 | "22", | |
100 | "23", | |
101 | "24", | |
102 | "25", | |
103 | "26", | |
104 | "27", | |
105 | "28", | |
106 | "29", | |
107 | "30", | |
108 | "31", | |
109 | NULL, | |
110 | }; | |
111 | ||
a00ba012 | 112 | /* List of struct sr_device_instance, maintained by opendev()/closedev(). */ |
a1bb33af UH |
113 | static GSList *device_instances = NULL; |
114 | ||
115 | static libusb_context *usb_context = NULL; | |
116 | ||
fed16f06 UH |
117 | /* |
118 | * The hardware supports more samplerates than these, but these are the | |
119 | * options hardcoded into the vendor's Windows GUI. | |
120 | */ | |
a1bb33af | 121 | |
fed16f06 UH |
122 | /* |
123 | * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up | |
124 | * that high. | |
125 | */ | |
a1bb33af | 126 | static uint64_t supported_samplerates[] = { |
c9140419 UH |
127 | SR_HZ(100), |
128 | SR_HZ(500), | |
59df0c77 UH |
129 | SR_KHZ(1), |
130 | SR_KHZ(5), | |
131 | SR_KHZ(25), | |
132 | SR_KHZ(50), | |
133 | SR_KHZ(100), | |
134 | SR_KHZ(200), | |
135 | SR_KHZ(400), | |
136 | SR_KHZ(800), | |
137 | SR_MHZ(1), | |
138 | SR_MHZ(10), | |
139 | SR_MHZ(25), | |
140 | SR_MHZ(50), | |
141 | SR_MHZ(80), | |
142 | SR_MHZ(100), | |
143 | SR_MHZ(150), | |
144 | SR_MHZ(200), | |
fed16f06 | 145 | 0, |
a1bb33af UH |
146 | }; |
147 | ||
60679b18 | 148 | static struct sr_samplerates samplerates = { |
c9140419 UH |
149 | SR_HZ(0), |
150 | SR_HZ(0), | |
151 | SR_HZ(0), | |
fed16f06 | 152 | supported_samplerates, |
a1bb33af UH |
153 | }; |
154 | ||
fed16f06 | 155 | /* TODO: All of these should go in a device-specific struct. */ |
a1bb33af | 156 | static uint64_t cur_samplerate = 0; |
9c939c51 | 157 | static uint64_t period_ps = 0; |
a1bb33af | 158 | static uint64_t limit_samples = 0; |
29cbfeaf UH |
159 | static int num_channels = 32; /* TODO: This isn't initialized before it's needed :( */ |
160 | static uint64_t memory_size = 0; | |
86c5e279 | 161 | static uint8_t probe_mask = 0; |
fed16f06 UH |
162 | static uint8_t trigger_mask[NUM_TRIGGER_STAGES] = { 0 }; |
163 | static uint8_t trigger_value[NUM_TRIGGER_STAGES] = { 0 }; | |
a1bb33af | 164 | |
fed16f06 | 165 | // static uint8_t trigger_buffer[NUM_TRIGGER_STAGES] = { 0 }; |
a1bb33af UH |
166 | |
167 | static int hw_set_configuration(int device_index, int capability, void *value); | |
168 | ||
169 | static unsigned int get_memory_size(int type) | |
170 | { | |
fed16f06 UH |
171 | if (type == MEMORY_SIZE_8K) |
172 | return 8 * 1024; | |
173 | else if (type == MEMORY_SIZE_64K) | |
174 | return 64 * 1024; | |
175 | else if (type == MEMORY_SIZE_128K) | |
176 | return 128 * 1024; | |
177 | else if (type == MEMORY_SIZE_512K) | |
178 | return 512 * 1024; | |
179 | else | |
180 | return 0; | |
a1bb33af UH |
181 | } |
182 | ||
a00ba012 | 183 | static int opendev4(struct sr_device_instance **sdi, libusb_device *dev, |
408e7199 UH |
184 | struct libusb_device_descriptor *des) |
185 | { | |
9a498834 UH |
186 | unsigned int i; |
187 | int err; | |
408e7199 UH |
188 | |
189 | if ((err = libusb_get_device_descriptor(dev, des))) { | |
b08024a8 | 190 | sr_warn("failed to get device descriptor: %d", err); |
408e7199 UH |
191 | return -1; |
192 | } | |
193 | ||
9a498834 | 194 | if (des->idVendor != USB_VENDOR) |
408e7199 UH |
195 | return 0; |
196 | ||
197 | if (libusb_get_bus_number(dev) == (*sdi)->usb->bus | |
198 | && libusb_get_device_address(dev) == (*sdi)->usb->address) { | |
199 | ||
9a498834 UH |
200 | for (i = 0; i < ARRAY_SIZE(zeroplus_models); i++) { |
201 | if (!(des->idProduct == zeroplus_models[i].pid)) | |
408e7199 UH |
202 | continue; |
203 | ||
b08024a8 UH |
204 | sr_info("Found PID=%04X (%s)", des->idProduct, |
205 | zeroplus_models[i].model_name); | |
9a498834 UH |
206 | num_channels = zeroplus_models[i].channels; |
207 | memory_size = zeroplus_models[i].sample_depth * 1024; | |
408e7199 UH |
208 | break; |
209 | } | |
210 | ||
211 | if (num_channels == 0) { | |
b08024a8 | 212 | sr_warn("Unknown ZeroPlus device %04X", des->idProduct); |
408e7199 UH |
213 | return -2; |
214 | } | |
215 | ||
216 | /* Found it. */ | |
217 | if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) { | |
5a2326a7 | 218 | (*sdi)->status = SR_ST_ACTIVE; |
b08024a8 UH |
219 | sr_info("opened device %d on %d.%d interface %d", |
220 | (*sdi)->index, (*sdi)->usb->bus, | |
221 | (*sdi)->usb->address, USB_INTERFACE); | |
408e7199 | 222 | } else { |
b08024a8 | 223 | sr_warn("failed to open device: %d", err); |
408e7199 UH |
224 | *sdi = NULL; |
225 | } | |
226 | } | |
227 | ||
228 | return 0; | |
229 | } | |
230 | ||
29cbfeaf | 231 | static struct sr_device_instance *zp_open_device(int device_index) |
a1bb33af | 232 | { |
a00ba012 | 233 | struct sr_device_instance *sdi; |
a1bb33af UH |
234 | libusb_device **devlist; |
235 | struct libusb_device_descriptor des; | |
afc8e4de | 236 | int err, i; |
a1bb33af | 237 | |
d32d961d | 238 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
a1bb33af UH |
239 | return NULL; |
240 | ||
241 | libusb_get_device_list(usb_context, &devlist); | |
5a2326a7 | 242 | if (sdi->status == SR_ST_INACTIVE) { |
fed16f06 | 243 | /* Find the device by vendor, product, bus and address. */ |
a1bb33af | 244 | libusb_get_device_list(usb_context, &devlist); |
fed16f06 | 245 | for (i = 0; devlist[i]; i++) { |
408e7199 | 246 | /* TODO: Error handling. */ |
9a5c6dcf | 247 | err = opendev4(&sdi, devlist[i], &des); |
a1bb33af | 248 | } |
fed16f06 | 249 | } else { |
5a2326a7 | 250 | /* Status must be SR_ST_ACTIVE, i.e. already in use... */ |
a1bb33af UH |
251 | sdi = NULL; |
252 | } | |
253 | libusb_free_device_list(devlist, 1); | |
254 | ||
5a2326a7 | 255 | if (sdi && sdi->status != SR_ST_ACTIVE) |
a1bb33af UH |
256 | sdi = NULL; |
257 | ||
258 | return sdi; | |
259 | } | |
260 | ||
a00ba012 | 261 | static void close_device(struct sr_device_instance *sdi) |
a1bb33af | 262 | { |
408e7199 UH |
263 | if (!sdi->usb->devhdl) |
264 | return; | |
265 | ||
b08024a8 UH |
266 | sr_info("closing device %d on %d.%d interface %d", sdi->index, |
267 | sdi->usb->bus, sdi->usb->address, USB_INTERFACE); | |
408e7199 UH |
268 | libusb_release_interface(sdi->usb->devhdl, USB_INTERFACE); |
269 | libusb_close(sdi->usb->devhdl); | |
270 | sdi->usb->devhdl = NULL; | |
5a2326a7 | 271 | sdi->status = SR_ST_INACTIVE; |
a1bb33af UH |
272 | } |
273 | ||
a1bb33af UH |
274 | static int configure_probes(GSList *probes) |
275 | { | |
1afe8989 | 276 | struct sr_probe *probe; |
a1bb33af UH |
277 | GSList *l; |
278 | int probe_bit, stage, i; | |
279 | char *tc; | |
280 | ||
281 | probe_mask = 0; | |
fed16f06 | 282 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
a1bb33af UH |
283 | trigger_mask[i] = 0; |
284 | trigger_value[i] = 0; | |
285 | } | |
286 | ||
287 | stage = -1; | |
fed16f06 | 288 | for (l = probes; l; l = l->next) { |
1afe8989 | 289 | probe = (struct sr_probe *)l->data; |
fed16f06 | 290 | if (probe->enabled == FALSE) |
a1bb33af UH |
291 | continue; |
292 | probe_bit = 1 << (probe->index - 1); | |
293 | probe_mask |= probe_bit; | |
fed16f06 UH |
294 | |
295 | if (probe->trigger) { | |
a1bb33af | 296 | stage = 0; |
fed16f06 | 297 | for (tc = probe->trigger; *tc; tc++) { |
a1bb33af | 298 | trigger_mask[stage] |= probe_bit; |
fed16f06 | 299 | if (*tc == '1') |
a1bb33af UH |
300 | trigger_value[stage] |= probe_bit; |
301 | stage++; | |
fed16f06 | 302 | if (stage > NUM_TRIGGER_STAGES) |
e46b8fb1 | 303 | return SR_ERR; |
a1bb33af UH |
304 | } |
305 | } | |
306 | } | |
307 | ||
e46b8fb1 | 308 | return SR_OK; |
a1bb33af UH |
309 | } |
310 | ||
a1bb33af UH |
311 | /* |
312 | * API callbacks | |
313 | */ | |
314 | ||
54ac5277 | 315 | static int hw_init(const char *deviceinfo) |
a1bb33af | 316 | { |
a00ba012 | 317 | struct sr_device_instance *sdi; |
a1bb33af UH |
318 | struct libusb_device_descriptor des; |
319 | libusb_device **devlist; | |
320 | int err, devcnt, i; | |
321 | ||
17e1afcb | 322 | /* Avoid compiler warnings. */ |
cb93f8a9 | 323 | (void)deviceinfo; |
afc8e4de | 324 | |
fed16f06 | 325 | if (libusb_init(&usb_context) != 0) { |
b08024a8 | 326 | sr_warn("Failed to initialize USB."); |
a1bb33af UH |
327 | return 0; |
328 | } | |
329 | ||
fed16f06 | 330 | /* Find all ZeroPlus analyzers and add them to device list. */ |
a1bb33af UH |
331 | devcnt = 0; |
332 | libusb_get_device_list(usb_context, &devlist); | |
fed16f06 UH |
333 | |
334 | for (i = 0; devlist[i]; i++) { | |
a1bb33af | 335 | err = libusb_get_device_descriptor(devlist[i], &des); |
fed16f06 | 336 | if (err != 0) { |
b08024a8 | 337 | sr_warn("failed to get device descriptor: %d", err); |
a1bb33af UH |
338 | continue; |
339 | } | |
340 | ||
fed16f06 UH |
341 | if (des.idVendor == USB_VENDOR) { |
342 | /* | |
343 | * Definitely a Zeroplus. | |
344 | * TODO: Any way to detect specific model/version in | |
345 | * the zeroplus range? | |
346 | */ | |
a00ba012 | 347 | sdi = sr_device_instance_new(devcnt, |
5a2326a7 | 348 | SR_ST_INACTIVE, USB_VENDOR_NAME, |
fed16f06 UH |
349 | USB_MODEL_NAME, USB_MODEL_VERSION); |
350 | if (!sdi) | |
a1bb33af | 351 | return 0; |
fed16f06 UH |
352 | device_instances = |
353 | g_slist_append(device_instances, sdi); | |
6c290072 | 354 | sdi->usb = sr_usb_device_instance_new( |
fed16f06 UH |
355 | libusb_get_bus_number(devlist[i]), |
356 | libusb_get_device_address(devlist[i]), NULL); | |
a1bb33af UH |
357 | devcnt++; |
358 | } | |
359 | } | |
360 | libusb_free_device_list(devlist, 1); | |
361 | ||
362 | return devcnt; | |
363 | } | |
364 | ||
a1bb33af UH |
365 | static int hw_opendev(int device_index) |
366 | { | |
a00ba012 | 367 | struct sr_device_instance *sdi; |
a1bb33af UH |
368 | int err; |
369 | ||
fed16f06 | 370 | if (!(sdi = zp_open_device(device_index))) { |
b08024a8 | 371 | sr_warn("unable to open device"); |
e46b8fb1 | 372 | return SR_ERR; |
a1bb33af UH |
373 | } |
374 | ||
375 | err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE); | |
fed16f06 | 376 | if (err != 0) { |
b08024a8 | 377 | sr_warn("Unable to claim interface: %d", err); |
e46b8fb1 | 378 | return SR_ERR; |
a1bb33af UH |
379 | } |
380 | analyzer_reset(sdi->usb->devhdl); | |
381 | analyzer_initialize(sdi->usb->devhdl); | |
a1bb33af UH |
382 | |
383 | analyzer_set_memory_size(MEMORY_SIZE_512K); | |
fed16f06 | 384 | // analyzer_set_freq(g_freq, g_freq_scale); |
a1bb33af | 385 | analyzer_set_trigger_count(1); |
408e7199 UH |
386 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) |
387 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
fed16f06 UH |
388 | analyzer_set_ramsize_trigger_address( |
389 | (100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2); | |
a1bb33af | 390 | |
fed16f06 UH |
391 | #if 0 |
392 | if (g_double_mode == 1) | |
a1bb33af UH |
393 | analyzer_set_compression(COMPRESSION_DOUBLE); |
394 | else if (g_compression == 1) | |
395 | analyzer_set_compression(COMPRESSION_ENABLE); | |
fed16f06 UH |
396 | else |
397 | #endif | |
398 | analyzer_set_compression(COMPRESSION_NONE); | |
a1bb33af | 399 | |
fed16f06 | 400 | if (cur_samplerate == 0) { |
408e7199 | 401 | /* Samplerate hasn't been set. Default to the slowest one. */ |
5a2326a7 | 402 | if (hw_set_configuration(device_index, SR_HWCAP_SAMPLERATE, |
e46b8fb1 UH |
403 | &samplerates.low) == SR_ERR) |
404 | return SR_ERR; | |
a1bb33af UH |
405 | } |
406 | ||
e46b8fb1 | 407 | return SR_OK; |
a1bb33af UH |
408 | } |
409 | ||
697785d1 | 410 | static int hw_closedev(int device_index) |
a1bb33af | 411 | { |
a00ba012 | 412 | struct sr_device_instance *sdi; |
a1bb33af | 413 | |
697785d1 UH |
414 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) { |
415 | sr_err("lap-c: %s: sdi was NULL", __func__); | |
416 | return SR_ERR; /* TODO: SR_ERR_ARG? */ | |
417 | } | |
418 | ||
419 | /* TODO */ | |
420 | close_device(sdi); | |
421 | ||
422 | return SR_OK; | |
a1bb33af UH |
423 | } |
424 | ||
a1bb33af UH |
425 | static void hw_cleanup(void) |
426 | { | |
427 | GSList *l; | |
428 | ||
408e7199 | 429 | /* Properly close all devices... */ |
fed16f06 | 430 | for (l = device_instances; l; l = l->next) |
a00ba012 | 431 | close_device((struct sr_device_instance *)l->data); |
a1bb33af | 432 | |
408e7199 | 433 | /* ...and free all their memory. */ |
fed16f06 | 434 | for (l = device_instances; l; l = l->next) |
a1bb33af UH |
435 | g_free(l->data); |
436 | g_slist_free(device_instances); | |
437 | device_instances = NULL; | |
438 | ||
fed16f06 | 439 | if (usb_context) |
a1bb33af UH |
440 | libusb_exit(usb_context); |
441 | usb_context = NULL; | |
a1bb33af UH |
442 | } |
443 | ||
a1bb33af UH |
444 | static void *hw_get_device_info(int device_index, int device_info_id) |
445 | { | |
a00ba012 | 446 | struct sr_device_instance *sdi; |
408e7199 | 447 | void *info = NULL; |
a1bb33af | 448 | |
d32d961d | 449 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
a1bb33af UH |
450 | return NULL; |
451 | ||
fed16f06 | 452 | switch (device_info_id) { |
5a2326a7 | 453 | case SR_DI_INSTANCE: |
a1bb33af UH |
454 | info = sdi; |
455 | break; | |
5a2326a7 | 456 | case SR_DI_NUM_PROBES: |
a1bb33af UH |
457 | info = GINT_TO_POINTER(num_channels); |
458 | break; | |
464d12c7 KS |
459 | case SR_DI_PROBE_NAMES: |
460 | info = probe_names; | |
461 | break; | |
5a2326a7 | 462 | case SR_DI_SAMPLERATES: |
a1bb33af UH |
463 | info = &samplerates; |
464 | break; | |
5a2326a7 | 465 | case SR_DI_TRIGGER_TYPES: |
a1bb33af UH |
466 | info = TRIGGER_TYPES; |
467 | break; | |
5a2326a7 | 468 | case SR_DI_CUR_SAMPLERATE: |
a1bb33af UH |
469 | info = &cur_samplerate; |
470 | break; | |
471 | } | |
472 | ||
473 | return info; | |
474 | } | |
475 | ||
a1bb33af UH |
476 | static int hw_get_status(int device_index) |
477 | { | |
a00ba012 | 478 | struct sr_device_instance *sdi; |
a1bb33af | 479 | |
d32d961d | 480 | sdi = sr_get_device_instance(device_instances, device_index); |
fed16f06 | 481 | if (sdi) |
a1bb33af UH |
482 | return sdi->status; |
483 | else | |
5a2326a7 | 484 | return SR_ST_NOT_FOUND; |
a1bb33af UH |
485 | } |
486 | ||
a1bb33af UH |
487 | static int *hw_get_capabilities(void) |
488 | { | |
a1bb33af UH |
489 | return capabilities; |
490 | } | |
491 | ||
fed16f06 | 492 | /* TODO: This will set the same samplerate for all devices. */ |
afc8e4de | 493 | static int set_configuration_samplerate(uint64_t samplerate) |
a1bb33af | 494 | { |
6bb5c5fa | 495 | sr_info("%s(%" PRIu64 ")", __func__, samplerate); |
59df0c77 UH |
496 | if (samplerate > SR_MHZ(1)) |
497 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); | |
498 | else if (samplerate > SR_KHZ(1)) | |
499 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); | |
a1bb33af | 500 | else |
fed16f06 | 501 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); |
a1bb33af UH |
502 | |
503 | cur_samplerate = samplerate; | |
9c939c51 | 504 | period_ps = 1000000000000 / samplerate; |
a1bb33af | 505 | |
e46b8fb1 | 506 | return SR_OK; |
a1bb33af UH |
507 | } |
508 | ||
509 | static int hw_set_configuration(int device_index, int capability, void *value) | |
510 | { | |
a00ba012 | 511 | struct sr_device_instance *sdi; |
a1bb33af UH |
512 | uint64_t *tmp_u64; |
513 | ||
d32d961d | 514 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 515 | return SR_ERR; |
a1bb33af UH |
516 | |
517 | switch (capability) { | |
5a2326a7 | 518 | case SR_HWCAP_SAMPLERATE: |
fed16f06 UH |
519 | tmp_u64 = value; |
520 | return set_configuration_samplerate(*tmp_u64); | |
5a2326a7 | 521 | case SR_HWCAP_PROBECONFIG: |
fed16f06 | 522 | return configure_probes((GSList *) value); |
5a2326a7 | 523 | case SR_HWCAP_LIMIT_SAMPLES: |
2458ea65 BV |
524 | tmp_u64 = value; |
525 | limit_samples = *tmp_u64; | |
e46b8fb1 | 526 | return SR_OK; |
fed16f06 | 527 | default: |
e46b8fb1 | 528 | return SR_ERR; |
a1bb33af UH |
529 | } |
530 | } | |
531 | ||
9c939c51 | 532 | static int hw_start_acquisition(int device_index, gpointer session_data) |
a1bb33af | 533 | { |
a00ba012 | 534 | struct sr_device_instance *sdi; |
b9c735a2 | 535 | struct sr_datafeed_packet packet; |
9c939c51 | 536 | struct sr_datafeed_logic logic; |
b9c735a2 | 537 | struct sr_datafeed_header header; |
9c939c51 | 538 | uint64_t samples_read; |
a1bb33af | 539 | int res; |
afc8e4de | 540 | unsigned int packet_num; |
a1bb33af UH |
541 | unsigned char *buf; |
542 | ||
d32d961d | 543 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 544 | return SR_ERR; |
a1bb33af | 545 | |
a143e4e5 BV |
546 | /* push configured settings to device */ |
547 | analyzer_configure(sdi->usb->devhdl); | |
548 | ||
a1bb33af | 549 | analyzer_start(sdi->usb->devhdl); |
b08024a8 | 550 | sr_info("Waiting for data"); |
a1bb33af UH |
551 | analyzer_wait_data(sdi->usb->devhdl); |
552 | ||
9c939c51 BV |
553 | sr_info("Stop address = 0x%x", analyzer_get_stop_address(sdi->usb->devhdl)); |
554 | sr_info("Now address = 0x%x", analyzer_get_now_address(sdi->usb->devhdl)); | |
555 | sr_info("Trigger address = 0x%x", analyzer_get_trigger_address(sdi->usb->devhdl)); | |
a1bb33af | 556 | |
5a2326a7 | 557 | packet.type = SR_DF_HEADER; |
9c939c51 | 558 | packet.payload = &header; |
a1bb33af UH |
559 | header.feed_version = 1; |
560 | gettimeofday(&header.starttime, NULL); | |
4c100f32 | 561 | header.samplerate = cur_samplerate; |
c2616fb9 DR |
562 | header.num_logic_probes = num_channels; |
563 | header.num_analog_probes = 0; | |
9c939c51 | 564 | sr_session_bus(session_data, &packet); |
a1bb33af | 565 | |
b53738ba | 566 | if (!(buf = g_try_malloc(PACKET_SIZE))) { |
340cfac0 | 567 | sr_err("lap-c: %s: buf malloc failed", __func__); |
b53738ba UH |
568 | return SR_ERR_MALLOC; |
569 | } | |
570 | ||
9c939c51 | 571 | samples_read = 0; |
a1bb33af | 572 | analyzer_read_start(sdi->usb->devhdl); |
fed16f06 UH |
573 | /* Send the incoming transfer to the session bus. */ |
574 | for (packet_num = 0; packet_num < (memory_size * 4 / PACKET_SIZE); | |
575 | packet_num++) { | |
a1bb33af | 576 | res = analyzer_read_data(sdi->usb->devhdl, buf, PACKET_SIZE); |
b08024a8 UH |
577 | sr_info("Tried to read %llx bytes, actually read %x bytes", |
578 | PACKET_SIZE, res); | |
a1bb33af | 579 | |
5a2326a7 | 580 | packet.type = SR_DF_LOGIC; |
9c939c51 BV |
581 | packet.timeoffset = samples_read * period_ps; |
582 | packet.duration = res / 4 * period_ps; | |
583 | packet.payload = &logic; | |
584 | logic.length = PACKET_SIZE; | |
585 | logic.unitsize = 4; | |
586 | logic.data = buf; | |
587 | sr_session_bus(session_data, &packet); | |
588 | samples_read += res / 4; | |
a1bb33af UH |
589 | } |
590 | analyzer_read_stop(sdi->usb->devhdl); | |
591 | g_free(buf); | |
592 | ||
5a2326a7 | 593 | packet.type = SR_DF_END; |
9c939c51 | 594 | sr_session_bus(session_data, &packet); |
a1bb33af | 595 | |
e46b8fb1 | 596 | return SR_OK; |
a1bb33af UH |
597 | } |
598 | ||
fed16f06 | 599 | /* This stops acquisition on ALL devices, ignoring device_index. */ |
a1bb33af UH |
600 | static void hw_stop_acquisition(int device_index, gpointer session_device_id) |
601 | { | |
b9c735a2 | 602 | struct sr_datafeed_packet packet; |
a00ba012 | 603 | struct sr_device_instance *sdi; |
a1bb33af | 604 | |
5a2326a7 | 605 | packet.type = SR_DF_END; |
8a2efef2 | 606 | sr_session_bus(session_device_id, &packet); |
a1bb33af | 607 | |
d32d961d | 608 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
fed16f06 | 609 | return; /* TODO: Cry? */ |
a1bb33af UH |
610 | |
611 | analyzer_reset(sdi->usb->devhdl); | |
fed16f06 | 612 | /* TODO: Need to cancel and free any queued up transfers. */ |
a1bb33af UH |
613 | } |
614 | ||
5c2d46d1 | 615 | struct sr_device_plugin zeroplus_logic_cube_plugin_info = { |
e519ba86 UH |
616 | .name = "zeroplus-logic-cube", |
617 | .longname = "Zeroplus Logic Cube LAP-C series", | |
618 | .api_version = 1, | |
619 | .init = hw_init, | |
620 | .cleanup = hw_cleanup, | |
86f5e3d8 UH |
621 | .opendev = hw_opendev, |
622 | .closedev = hw_closedev, | |
e519ba86 UH |
623 | .get_device_info = hw_get_device_info, |
624 | .get_status = hw_get_status, | |
625 | .get_capabilities = hw_get_capabilities, | |
626 | .set_configuration = hw_set_configuration, | |
627 | .start_acquisition = hw_start_acquisition, | |
628 | .stop_acquisition = hw_stop_acquisition, | |
a1bb33af | 629 | }; |