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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 | ||
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <sys/time.h> | |
23 | #include <inttypes.h> | |
24 | #include <glib.h> | |
25 | #include <libusb.h> | |
fed16f06 | 26 | #include <sigrok.h> |
a1bb33af | 27 | #include "config.h" |
a1bb33af UH |
28 | #include "analyzer.h" |
29 | ||
fed16f06 UH |
30 | #define USB_VENDOR 0x0c12 |
31 | #define USB_VENDOR_NAME "Zeroplus" | |
a1bb33af UH |
32 | #define USB_MODEL_NAME "Logic Cube" |
33 | #define USB_MODEL_VERSION "" | |
34 | ||
35 | #define USB_INTERFACE 0 | |
36 | #define USB_CONFIGURATION 1 | |
37 | #define NUM_TRIGGER_STAGES 4 | |
38 | #define TRIGGER_TYPES "01" | |
39 | ||
fed16f06 | 40 | #define PACKET_SIZE 2048 /* ?? */ |
a1bb33af UH |
41 | |
42 | typedef struct { | |
43 | unsigned short pid; | |
44 | char model_name[64]; | |
45 | unsigned int channels; | |
fed16f06 | 46 | unsigned int sample_depth; /* In Ksamples/channel */ |
a1bb33af UH |
47 | unsigned int max_sampling_freq; |
48 | } model_t; | |
49 | ||
fed16f06 UH |
50 | /* |
51 | * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the | |
52 | * same 128K sample depth. | |
53 | */ | |
a1bb33af UH |
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}, | |
62 | }; | |
63 | ||
64 | static int capabilities[] = { | |
65 | HWCAP_LOGIC_ANALYZER, | |
66 | HWCAP_SAMPLERATE, | |
67 | HWCAP_PROBECONFIG, | |
68 | HWCAP_CAPTURE_RATIO, | |
a1bb33af | 69 | |
fed16f06 | 70 | /* These are really implemented in the driver, not the hardware. */ |
a1bb33af | 71 | HWCAP_LIMIT_SAMPLES, |
fed16f06 | 72 | 0, |
a1bb33af UH |
73 | }; |
74 | ||
a00ba012 | 75 | /* List of struct sr_device_instance, maintained by opendev()/closedev(). */ |
a1bb33af UH |
76 | static GSList *device_instances = NULL; |
77 | ||
78 | static libusb_context *usb_context = NULL; | |
79 | ||
fed16f06 UH |
80 | /* |
81 | * The hardware supports more samplerates than these, but these are the | |
82 | * options hardcoded into the vendor's Windows GUI. | |
83 | */ | |
a1bb33af | 84 | |
fed16f06 UH |
85 | /* |
86 | * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up | |
87 | * that high. | |
88 | */ | |
a1bb33af UH |
89 | static uint64_t supported_samplerates[] = { |
90 | 100, | |
91 | 500, | |
92 | KHZ(1), | |
93 | KHZ(5), | |
94 | KHZ(25), | |
95 | KHZ(50), | |
96 | KHZ(100), | |
97 | KHZ(200), | |
98 | KHZ(400), | |
99 | KHZ(800), | |
100 | MHZ(1), | |
101 | MHZ(10), | |
102 | MHZ(25), | |
103 | MHZ(50), | |
104 | MHZ(80), | |
105 | MHZ(100), | |
106 | MHZ(150), | |
107 | MHZ(200), | |
fed16f06 | 108 | 0, |
a1bb33af UH |
109 | }; |
110 | ||
111 | static struct samplerates samplerates = { | |
fed16f06 UH |
112 | 0, 0, 0, |
113 | supported_samplerates, | |
a1bb33af UH |
114 | }; |
115 | ||
fed16f06 | 116 | /* TODO: All of these should go in a device-specific struct. */ |
a1bb33af UH |
117 | static uint64_t cur_samplerate = 0; |
118 | static uint64_t limit_samples = 0; | |
fed16f06 | 119 | int num_channels = 32; /* TODO: This isn't initialized before it's needed :( */ |
a1bb33af | 120 | uint64_t memory_size = 0; |
86c5e279 | 121 | static uint8_t probe_mask = 0; |
fed16f06 UH |
122 | static uint8_t trigger_mask[NUM_TRIGGER_STAGES] = { 0 }; |
123 | static uint8_t trigger_value[NUM_TRIGGER_STAGES] = { 0 }; | |
a1bb33af | 124 | |
fed16f06 | 125 | // static uint8_t trigger_buffer[NUM_TRIGGER_STAGES] = { 0 }; |
a1bb33af UH |
126 | |
127 | static int hw_set_configuration(int device_index, int capability, void *value); | |
128 | ||
129 | static unsigned int get_memory_size(int type) | |
130 | { | |
fed16f06 UH |
131 | if (type == MEMORY_SIZE_8K) |
132 | return 8 * 1024; | |
133 | else if (type == MEMORY_SIZE_64K) | |
134 | return 64 * 1024; | |
135 | else if (type == MEMORY_SIZE_128K) | |
136 | return 128 * 1024; | |
137 | else if (type == MEMORY_SIZE_512K) | |
138 | return 512 * 1024; | |
139 | else | |
140 | return 0; | |
a1bb33af UH |
141 | } |
142 | ||
a00ba012 | 143 | static int opendev4(struct sr_device_instance **sdi, libusb_device *dev, |
408e7199 UH |
144 | struct libusb_device_descriptor *des) |
145 | { | |
9a498834 UH |
146 | unsigned int i; |
147 | int err; | |
408e7199 UH |
148 | |
149 | if ((err = libusb_get_device_descriptor(dev, des))) { | |
150 | g_warning("failed to get device descriptor: %d", err); | |
151 | return -1; | |
152 | } | |
153 | ||
9a498834 | 154 | if (des->idVendor != USB_VENDOR) |
408e7199 UH |
155 | return 0; |
156 | ||
157 | if (libusb_get_bus_number(dev) == (*sdi)->usb->bus | |
158 | && libusb_get_device_address(dev) == (*sdi)->usb->address) { | |
159 | ||
9a498834 UH |
160 | for (i = 0; i < ARRAY_SIZE(zeroplus_models); i++) { |
161 | if (!(des->idProduct == zeroplus_models[i].pid)) | |
408e7199 UH |
162 | continue; |
163 | ||
9a498834 UH |
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; | |
408e7199 UH |
168 | break; |
169 | } | |
170 | ||
171 | if (num_channels == 0) { | |
172 | g_warning("Unknown ZeroPlus device %04X", | |
9a498834 | 173 | des->idProduct); |
408e7199 UH |
174 | return -2; |
175 | } | |
176 | ||
177 | /* Found it. */ | |
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); | |
183 | } else { | |
184 | g_warning("failed to open device: %d", err); | |
185 | *sdi = NULL; | |
186 | } | |
187 | } | |
188 | ||
189 | return 0; | |
190 | } | |
191 | ||
a00ba012 | 192 | struct sr_device_instance *zp_open_device(int device_index) |
a1bb33af | 193 | { |
a00ba012 | 194 | struct sr_device_instance *sdi; |
a1bb33af UH |
195 | libusb_device **devlist; |
196 | struct libusb_device_descriptor des; | |
afc8e4de | 197 | int err, i; |
a1bb33af | 198 | |
a00ba012 | 199 | if (!(sdi = get_sr_device_instance(device_instances, device_index))) |
a1bb33af UH |
200 | return NULL; |
201 | ||
202 | libusb_get_device_list(usb_context, &devlist); | |
fed16f06 UH |
203 | if (sdi->status == ST_INACTIVE) { |
204 | /* Find the device by vendor, product, bus and address. */ | |
a1bb33af | 205 | libusb_get_device_list(usb_context, &devlist); |
fed16f06 | 206 | for (i = 0; devlist[i]; i++) { |
408e7199 | 207 | /* TODO: Error handling. */ |
9a5c6dcf | 208 | err = opendev4(&sdi, devlist[i], &des); |
a1bb33af | 209 | } |
fed16f06 UH |
210 | } else { |
211 | /* Status must be ST_ACTIVE, i.e. already in use... */ | |
a1bb33af UH |
212 | sdi = NULL; |
213 | } | |
214 | libusb_free_device_list(devlist, 1); | |
215 | ||
fed16f06 | 216 | if (sdi && sdi->status != ST_ACTIVE) |
a1bb33af UH |
217 | sdi = NULL; |
218 | ||
219 | return sdi; | |
220 | } | |
221 | ||
a00ba012 | 222 | static void close_device(struct sr_device_instance *sdi) |
a1bb33af | 223 | { |
408e7199 UH |
224 | if (!sdi->usb->devhdl) |
225 | return; | |
226 | ||
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; | |
a1bb33af UH |
233 | } |
234 | ||
a1bb33af UH |
235 | static int configure_probes(GSList *probes) |
236 | { | |
237 | struct probe *probe; | |
238 | GSList *l; | |
239 | int probe_bit, stage, i; | |
240 | char *tc; | |
241 | ||
242 | probe_mask = 0; | |
fed16f06 | 243 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
a1bb33af UH |
244 | trigger_mask[i] = 0; |
245 | trigger_value[i] = 0; | |
246 | } | |
247 | ||
248 | stage = -1; | |
fed16f06 UH |
249 | for (l = probes; l; l = l->next) { |
250 | probe = (struct probe *)l->data; | |
251 | if (probe->enabled == FALSE) | |
a1bb33af UH |
252 | continue; |
253 | probe_bit = 1 << (probe->index - 1); | |
254 | probe_mask |= probe_bit; | |
fed16f06 UH |
255 | |
256 | if (probe->trigger) { | |
a1bb33af | 257 | stage = 0; |
fed16f06 | 258 | for (tc = probe->trigger; *tc; tc++) { |
a1bb33af | 259 | trigger_mask[stage] |= probe_bit; |
fed16f06 | 260 | if (*tc == '1') |
a1bb33af UH |
261 | trigger_value[stage] |= probe_bit; |
262 | stage++; | |
fed16f06 | 263 | if (stage > NUM_TRIGGER_STAGES) |
e46b8fb1 | 264 | return SR_ERR; |
a1bb33af UH |
265 | } |
266 | } | |
267 | } | |
268 | ||
e46b8fb1 | 269 | return SR_OK; |
a1bb33af UH |
270 | } |
271 | ||
a1bb33af UH |
272 | /* |
273 | * API callbacks | |
274 | */ | |
275 | ||
276 | static int hw_init(char *deviceinfo) | |
277 | { | |
a00ba012 | 278 | struct sr_device_instance *sdi; |
a1bb33af UH |
279 | struct libusb_device_descriptor des; |
280 | libusb_device **devlist; | |
281 | int err, devcnt, i; | |
282 | ||
17e1afcb | 283 | /* Avoid compiler warnings. */ |
afc8e4de UH |
284 | deviceinfo = deviceinfo; |
285 | ||
fed16f06 | 286 | if (libusb_init(&usb_context) != 0) { |
a1bb33af UH |
287 | g_warning("Failed to initialize USB."); |
288 | return 0; | |
289 | } | |
290 | ||
fed16f06 | 291 | /* Find all ZeroPlus analyzers and add them to device list. */ |
a1bb33af UH |
292 | devcnt = 0; |
293 | libusb_get_device_list(usb_context, &devlist); | |
fed16f06 UH |
294 | |
295 | for (i = 0; devlist[i]; i++) { | |
a1bb33af | 296 | err = libusb_get_device_descriptor(devlist[i], &des); |
fed16f06 | 297 | if (err != 0) { |
a1bb33af UH |
298 | g_warning("failed to get device descriptor: %d", err); |
299 | continue; | |
300 | } | |
301 | ||
fed16f06 UH |
302 | if (des.idVendor == USB_VENDOR) { |
303 | /* | |
304 | * Definitely a Zeroplus. | |
305 | * TODO: Any way to detect specific model/version in | |
306 | * the zeroplus range? | |
307 | */ | |
a00ba012 | 308 | sdi = sr_device_instance_new(devcnt, |
fed16f06 UH |
309 | ST_INACTIVE, USB_VENDOR_NAME, |
310 | USB_MODEL_NAME, USB_MODEL_VERSION); | |
311 | if (!sdi) | |
a1bb33af | 312 | return 0; |
fed16f06 UH |
313 | device_instances = |
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); | |
a1bb33af UH |
318 | devcnt++; |
319 | } | |
320 | } | |
321 | libusb_free_device_list(devlist, 1); | |
322 | ||
323 | return devcnt; | |
324 | } | |
325 | ||
a1bb33af UH |
326 | static int hw_opendev(int device_index) |
327 | { | |
a00ba012 | 328 | struct sr_device_instance *sdi; |
a1bb33af UH |
329 | int err; |
330 | ||
fed16f06 | 331 | if (!(sdi = zp_open_device(device_index))) { |
a1bb33af | 332 | g_warning("unable to open device"); |
e46b8fb1 | 333 | return SR_ERR; |
a1bb33af UH |
334 | } |
335 | ||
336 | err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE); | |
fed16f06 | 337 | if (err != 0) { |
a1bb33af | 338 | g_warning("Unable to claim interface: %d", err); |
e46b8fb1 | 339 | return SR_ERR; |
a1bb33af UH |
340 | } |
341 | analyzer_reset(sdi->usb->devhdl); | |
342 | analyzer_initialize(sdi->usb->devhdl); | |
a1bb33af UH |
343 | |
344 | analyzer_set_memory_size(MEMORY_SIZE_512K); | |
fed16f06 | 345 | // analyzer_set_freq(g_freq, g_freq_scale); |
a1bb33af | 346 | analyzer_set_trigger_count(1); |
408e7199 UH |
347 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) |
348 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
fed16f06 UH |
349 | analyzer_set_ramsize_trigger_address( |
350 | (100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2); | |
a1bb33af | 351 | |
fed16f06 UH |
352 | #if 0 |
353 | if (g_double_mode == 1) | |
a1bb33af UH |
354 | analyzer_set_compression(COMPRESSION_DOUBLE); |
355 | else if (g_compression == 1) | |
356 | analyzer_set_compression(COMPRESSION_ENABLE); | |
fed16f06 UH |
357 | else |
358 | #endif | |
359 | analyzer_set_compression(COMPRESSION_NONE); | |
a1bb33af | 360 | |
fed16f06 | 361 | if (cur_samplerate == 0) { |
408e7199 | 362 | /* Samplerate hasn't been set. Default to the slowest one. */ |
fed16f06 | 363 | if (hw_set_configuration(device_index, HWCAP_SAMPLERATE, |
e46b8fb1 UH |
364 | &samplerates.low) == SR_ERR) |
365 | return SR_ERR; | |
a1bb33af UH |
366 | } |
367 | ||
e46b8fb1 | 368 | return SR_OK; |
a1bb33af UH |
369 | } |
370 | ||
a1bb33af UH |
371 | static void hw_closedev(int device_index) |
372 | { | |
a00ba012 | 373 | struct sr_device_instance *sdi; |
a1bb33af | 374 | |
a00ba012 | 375 | if ((sdi = get_sr_device_instance(device_instances, device_index))) |
a1bb33af | 376 | close_device(sdi); |
a1bb33af UH |
377 | } |
378 | ||
a1bb33af UH |
379 | static void hw_cleanup(void) |
380 | { | |
381 | GSList *l; | |
382 | ||
408e7199 | 383 | /* Properly close all devices... */ |
fed16f06 | 384 | for (l = device_instances; l; l = l->next) |
a00ba012 | 385 | close_device((struct sr_device_instance *)l->data); |
a1bb33af | 386 | |
408e7199 | 387 | /* ...and free all their memory. */ |
fed16f06 | 388 | for (l = device_instances; l; l = l->next) |
a1bb33af UH |
389 | g_free(l->data); |
390 | g_slist_free(device_instances); | |
391 | device_instances = NULL; | |
392 | ||
fed16f06 | 393 | if (usb_context) |
a1bb33af UH |
394 | libusb_exit(usb_context); |
395 | usb_context = NULL; | |
a1bb33af UH |
396 | } |
397 | ||
a1bb33af UH |
398 | static void *hw_get_device_info(int device_index, int device_info_id) |
399 | { | |
a00ba012 | 400 | struct sr_device_instance *sdi; |
408e7199 | 401 | void *info = NULL; |
a1bb33af | 402 | |
a00ba012 | 403 | if (!(sdi = get_sr_device_instance(device_instances, device_index))) |
a1bb33af UH |
404 | return NULL; |
405 | ||
fed16f06 | 406 | switch (device_info_id) { |
a1bb33af UH |
407 | case DI_INSTANCE: |
408 | info = sdi; | |
409 | break; | |
410 | case DI_NUM_PROBES: | |
411 | info = GINT_TO_POINTER(num_channels); | |
412 | break; | |
413 | case DI_SAMPLERATES: | |
414 | info = &samplerates; | |
415 | break; | |
416 | case DI_TRIGGER_TYPES: | |
417 | info = TRIGGER_TYPES; | |
418 | break; | |
4c100f32 | 419 | case DI_CUR_SAMPLERATE: |
a1bb33af UH |
420 | info = &cur_samplerate; |
421 | break; | |
422 | } | |
423 | ||
424 | return info; | |
425 | } | |
426 | ||
a1bb33af UH |
427 | static int hw_get_status(int device_index) |
428 | { | |
a00ba012 | 429 | struct sr_device_instance *sdi; |
a1bb33af | 430 | |
a00ba012 | 431 | sdi = get_sr_device_instance(device_instances, device_index); |
fed16f06 | 432 | if (sdi) |
a1bb33af UH |
433 | return sdi->status; |
434 | else | |
435 | return ST_NOT_FOUND; | |
436 | } | |
437 | ||
a1bb33af UH |
438 | static int *hw_get_capabilities(void) |
439 | { | |
a1bb33af UH |
440 | return capabilities; |
441 | } | |
442 | ||
fed16f06 | 443 | /* TODO: This will set the same samplerate for all devices. */ |
afc8e4de | 444 | static int set_configuration_samplerate(uint64_t samplerate) |
a1bb33af | 445 | { |
5e2ddeb0 | 446 | g_message("%s(%" PRIu64 ")", __FUNCTION__, samplerate); |
a1bb33af UH |
447 | if (samplerate > MHZ(1)) |
448 | analyzer_set_freq(samplerate / MHZ(1), FREQ_SCALE_MHZ); | |
449 | else if (samplerate > KHZ(1)) | |
450 | analyzer_set_freq(samplerate / KHZ(1), FREQ_SCALE_KHZ); | |
451 | else | |
fed16f06 | 452 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); |
a1bb33af UH |
453 | |
454 | cur_samplerate = samplerate; | |
455 | ||
e46b8fb1 | 456 | return SR_OK; |
a1bb33af UH |
457 | } |
458 | ||
459 | static int hw_set_configuration(int device_index, int capability, void *value) | |
460 | { | |
a00ba012 | 461 | struct sr_device_instance *sdi; |
a1bb33af UH |
462 | uint64_t *tmp_u64; |
463 | ||
a00ba012 | 464 | if (!(sdi = get_sr_device_instance(device_instances, device_index))) |
e46b8fb1 | 465 | return SR_ERR; |
a1bb33af UH |
466 | |
467 | switch (capability) { | |
fed16f06 UH |
468 | case HWCAP_SAMPLERATE: |
469 | tmp_u64 = value; | |
470 | return set_configuration_samplerate(*tmp_u64); | |
471 | case HWCAP_PROBECONFIG: | |
472 | return configure_probes((GSList *) value); | |
473 | case HWCAP_LIMIT_SAMPLES: | |
2458ea65 BV |
474 | tmp_u64 = value; |
475 | limit_samples = *tmp_u64; | |
e46b8fb1 | 476 | return SR_OK; |
fed16f06 | 477 | default: |
e46b8fb1 | 478 | return SR_ERR; |
a1bb33af UH |
479 | } |
480 | } | |
481 | ||
482 | static int hw_start_acquisition(int device_index, gpointer session_device_id) | |
483 | { | |
a00ba012 | 484 | struct sr_device_instance *sdi; |
a1bb33af UH |
485 | struct datafeed_packet packet; |
486 | struct datafeed_header header; | |
487 | int res; | |
afc8e4de | 488 | unsigned int packet_num; |
a1bb33af UH |
489 | unsigned char *buf; |
490 | ||
a00ba012 | 491 | if (!(sdi = get_sr_device_instance(device_instances, device_index))) |
e46b8fb1 | 492 | return SR_ERR; |
a1bb33af | 493 | |
a143e4e5 BV |
494 | /* push configured settings to device */ |
495 | analyzer_configure(sdi->usb->devhdl); | |
496 | ||
a1bb33af UH |
497 | analyzer_start(sdi->usb->devhdl); |
498 | g_message("Waiting for data"); | |
499 | analyzer_wait_data(sdi->usb->devhdl); | |
500 | ||
fed16f06 UH |
501 | g_message("Stop address = 0x%x", |
502 | analyzer_get_stop_address(sdi->usb->devhdl)); | |
503 | g_message("Now address = 0x%x", | |
504 | analyzer_get_now_address(sdi->usb->devhdl)); | |
505 | g_message("Trigger address = 0x%x", | |
506 | analyzer_get_trigger_address(sdi->usb->devhdl)); | |
a1bb33af UH |
507 | |
508 | packet.type = DF_HEADER; | |
509 | packet.length = sizeof(struct datafeed_header); | |
fed16f06 | 510 | packet.payload = (unsigned char *)&header; |
a1bb33af UH |
511 | header.feed_version = 1; |
512 | gettimeofday(&header.starttime, NULL); | |
4c100f32 | 513 | header.samplerate = cur_samplerate; |
a1bb33af | 514 | header.protocol_id = PROTO_RAW; |
c2616fb9 DR |
515 | header.num_logic_probes = num_channels; |
516 | header.num_analog_probes = 0; | |
a1bb33af UH |
517 | session_bus(session_device_id, &packet); |
518 | ||
519 | buf = g_malloc(PACKET_SIZE); | |
520 | if (!buf) | |
e46b8fb1 | 521 | return SR_ERR; |
a1bb33af | 522 | analyzer_read_start(sdi->usb->devhdl); |
fed16f06 UH |
523 | /* Send the incoming transfer to the session bus. */ |
524 | for (packet_num = 0; packet_num < (memory_size * 4 / PACKET_SIZE); | |
525 | packet_num++) { | |
a1bb33af | 526 | res = analyzer_read_data(sdi->usb->devhdl, buf, PACKET_SIZE); |
408e7199 UH |
527 | #if 0 |
528 | g_message("Tried to read %llx bytes, actually read %x bytes", | |
529 | PACKET_SIZE, res); | |
530 | #endif | |
a1bb33af | 531 | |
4c046c6b | 532 | packet.type = DF_LOGIC; |
a1bb33af | 533 | packet.length = PACKET_SIZE; |
4c046c6b | 534 | packet.unitsize = 4; |
a1bb33af | 535 | packet.payload = buf; |
fed16f06 | 536 | session_bus(session_device_id, &packet); |
a1bb33af UH |
537 | } |
538 | analyzer_read_stop(sdi->usb->devhdl); | |
539 | g_free(buf); | |
540 | ||
541 | packet.type = DF_END; | |
542 | session_bus(session_device_id, &packet); | |
543 | ||
e46b8fb1 | 544 | return SR_OK; |
a1bb33af UH |
545 | } |
546 | ||
fed16f06 | 547 | /* This stops acquisition on ALL devices, ignoring device_index. */ |
a1bb33af UH |
548 | static void hw_stop_acquisition(int device_index, gpointer session_device_id) |
549 | { | |
550 | struct datafeed_packet packet; | |
a00ba012 | 551 | struct sr_device_instance *sdi; |
a1bb33af UH |
552 | |
553 | packet.type = DF_END; | |
554 | session_bus(session_device_id, &packet); | |
555 | ||
a00ba012 | 556 | if (!(sdi = get_sr_device_instance(device_instances, device_index))) |
fed16f06 | 557 | return; /* TODO: Cry? */ |
a1bb33af UH |
558 | |
559 | analyzer_reset(sdi->usb->devhdl); | |
fed16f06 | 560 | /* TODO: Need to cancel and free any queued up transfers. */ |
a1bb33af UH |
561 | } |
562 | ||
a1bb33af UH |
563 | struct device_plugin zeroplus_logic_cube_plugin_info = { |
564 | "zeroplus-logic-cube", | |
565 | 1, | |
566 | hw_init, | |
567 | hw_cleanup, | |
a1bb33af UH |
568 | hw_opendev, |
569 | hw_closedev, | |
570 | hw_get_device_info, | |
571 | hw_get_status, | |
572 | hw_get_capabilities, | |
573 | hw_set_configuration, | |
574 | hw_start_acquisition, | |
fed16f06 | 575 | hw_stop_acquisition, |
a1bb33af | 576 | }; |