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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 | ||
fed16f06 | 75 | /* List of struct sigrok_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 | ||
408e7199 UH |
143 | static int opendev3(struct sigrok_device_instance **sdi, libusb_device *dev, |
144 | struct libusb_device_descriptor *des) | |
145 | { | |
146 | int j, err; | |
147 | ||
148 | if ((err = libusb_get_device_descriptor(dev, des))) { | |
149 | g_warning("failed to get device descriptor: %d", err); | |
150 | return -1; | |
151 | } | |
152 | ||
153 | if (des.idVendor != USB_VENDOR) | |
154 | return 0; | |
155 | ||
156 | if (libusb_get_bus_number(dev) == (*sdi)->usb->bus | |
157 | && libusb_get_device_address(dev) == (*sdi)->usb->address) { | |
158 | ||
159 | for (j = 0; j < ARRAY_SIZE(zeroplus_models); j++) { | |
160 | if (!(des.idProduct == zeroplus_models[j].pid)) | |
161 | continue; | |
162 | ||
163 | g_message("Found PID=%04X (%s)", des.idProduct, | |
164 | zeroplus_models[j].model_name); | |
165 | num_channels = zeroplus_models[j].channels; | |
166 | memory_size = zeroplus_models[j].sample_depth * 1024; | |
167 | break; | |
168 | } | |
169 | ||
170 | if (num_channels == 0) { | |
171 | g_warning("Unknown ZeroPlus device %04X", | |
172 | des.idProduct); | |
173 | return -2; | |
174 | } | |
175 | ||
176 | /* Found it. */ | |
177 | if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) { | |
178 | (*sdi)->status = ST_ACTIVE; | |
179 | g_message("opened device %d on %d.%d interface %d", | |
180 | (*sdi)->index, (*sdi)->usb->bus, | |
181 | (*sdi)->usb->address, USB_INTERFACE); | |
182 | } else { | |
183 | g_warning("failed to open device: %d", err); | |
184 | *sdi = NULL; | |
185 | } | |
186 | } | |
187 | ||
188 | return 0; | |
189 | } | |
190 | ||
a1bb33af UH |
191 | struct sigrok_device_instance *zp_open_device(int device_index) |
192 | { | |
193 | struct sigrok_device_instance *sdi; | |
194 | libusb_device **devlist; | |
195 | struct libusb_device_descriptor des; | |
afc8e4de UH |
196 | unsigned int j; |
197 | int err, i; | |
a1bb33af | 198 | |
fed16f06 | 199 | if (!(sdi = get_sigrok_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 UH |
207 | /* TODO: Error handling. */ |
208 | err = opendev3(&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 | ||
a1bb33af UH |
222 | static void close_device(struct sigrok_device_instance *sdi) |
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) |
e31b636d | 264 | return SIGROK_ERR; |
a1bb33af UH |
265 | } |
266 | } | |
267 | } | |
268 | ||
269 | return SIGROK_OK; | |
270 | } | |
271 | ||
a1bb33af UH |
272 | /* |
273 | * API callbacks | |
274 | */ | |
275 | ||
276 | static int hw_init(char *deviceinfo) | |
277 | { | |
278 | struct sigrok_device_instance *sdi; | |
279 | struct libusb_device_descriptor des; | |
280 | libusb_device **devlist; | |
281 | int err, devcnt, i; | |
282 | ||
afc8e4de UH |
283 | /* QUICK HACK */ |
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 | */ | |
308 | sdi = sigrok_device_instance_new(devcnt, | |
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 | { | |
328 | struct sigrok_device_instance *sdi; | |
329 | int err; | |
330 | ||
fed16f06 | 331 | if (!(sdi = zp_open_device(device_index))) { |
a1bb33af | 332 | g_warning("unable to open device"); |
e31b636d | 333 | return SIGROK_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); |
e31b636d | 339 | return SIGROK_ERR; |
a1bb33af UH |
340 | } |
341 | analyzer_reset(sdi->usb->devhdl); | |
342 | analyzer_initialize(sdi->usb->devhdl); | |
343 | analyzer_configure(sdi->usb->devhdl); | |
344 | ||
345 | analyzer_set_memory_size(MEMORY_SIZE_512K); | |
fed16f06 | 346 | // analyzer_set_freq(g_freq, g_freq_scale); |
a1bb33af | 347 | analyzer_set_trigger_count(1); |
408e7199 UH |
348 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) |
349 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
fed16f06 UH |
350 | analyzer_set_ramsize_trigger_address( |
351 | (100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2); | |
a1bb33af | 352 | |
fed16f06 UH |
353 | #if 0 |
354 | if (g_double_mode == 1) | |
a1bb33af UH |
355 | analyzer_set_compression(COMPRESSION_DOUBLE); |
356 | else if (g_compression == 1) | |
357 | analyzer_set_compression(COMPRESSION_ENABLE); | |
fed16f06 UH |
358 | else |
359 | #endif | |
360 | analyzer_set_compression(COMPRESSION_NONE); | |
a1bb33af | 361 | |
fed16f06 | 362 | if (cur_samplerate == 0) { |
408e7199 | 363 | /* Samplerate hasn't been set. Default to the slowest one. */ |
fed16f06 UH |
364 | if (hw_set_configuration(device_index, HWCAP_SAMPLERATE, |
365 | &samplerates.low) == SIGROK_ERR) | |
e31b636d | 366 | return SIGROK_ERR; |
a1bb33af UH |
367 | } |
368 | ||
369 | return SIGROK_OK; | |
370 | } | |
371 | ||
a1bb33af UH |
372 | static void hw_closedev(int device_index) |
373 | { | |
374 | struct sigrok_device_instance *sdi; | |
375 | ||
fed16f06 | 376 | if ((sdi = get_sigrok_device_instance(device_instances, device_index))) |
a1bb33af | 377 | close_device(sdi); |
a1bb33af UH |
378 | } |
379 | ||
a1bb33af UH |
380 | static void hw_cleanup(void) |
381 | { | |
382 | GSList *l; | |
383 | ||
408e7199 | 384 | /* Properly close all devices... */ |
fed16f06 UH |
385 | for (l = device_instances; l; l = l->next) |
386 | close_device((struct sigrok_device_instance *)l->data); | |
a1bb33af | 387 | |
408e7199 | 388 | /* ...and free all their memory. */ |
fed16f06 | 389 | for (l = device_instances; l; l = l->next) |
a1bb33af UH |
390 | g_free(l->data); |
391 | g_slist_free(device_instances); | |
392 | device_instances = NULL; | |
393 | ||
fed16f06 | 394 | if (usb_context) |
a1bb33af UH |
395 | libusb_exit(usb_context); |
396 | usb_context = NULL; | |
a1bb33af UH |
397 | } |
398 | ||
a1bb33af UH |
399 | static void *hw_get_device_info(int device_index, int device_info_id) |
400 | { | |
401 | struct sigrok_device_instance *sdi; | |
408e7199 | 402 | void *info = NULL; |
a1bb33af | 403 | |
fed16f06 | 404 | if (!(sdi = get_sigrok_device_instance(device_instances, device_index))) |
a1bb33af UH |
405 | return NULL; |
406 | ||
fed16f06 | 407 | switch (device_info_id) { |
a1bb33af UH |
408 | case DI_INSTANCE: |
409 | info = sdi; | |
410 | break; | |
411 | case DI_NUM_PROBES: | |
412 | info = GINT_TO_POINTER(num_channels); | |
413 | break; | |
414 | case DI_SAMPLERATES: | |
415 | info = &samplerates; | |
416 | break; | |
417 | case DI_TRIGGER_TYPES: | |
418 | info = TRIGGER_TYPES; | |
419 | break; | |
4c100f32 | 420 | case DI_CUR_SAMPLERATE: |
a1bb33af UH |
421 | info = &cur_samplerate; |
422 | break; | |
423 | } | |
424 | ||
425 | return info; | |
426 | } | |
427 | ||
a1bb33af UH |
428 | static int hw_get_status(int device_index) |
429 | { | |
430 | struct sigrok_device_instance *sdi; | |
431 | ||
432 | sdi = get_sigrok_device_instance(device_instances, device_index); | |
fed16f06 | 433 | if (sdi) |
a1bb33af UH |
434 | return sdi->status; |
435 | else | |
436 | return ST_NOT_FOUND; | |
437 | } | |
438 | ||
a1bb33af UH |
439 | static int *hw_get_capabilities(void) |
440 | { | |
a1bb33af UH |
441 | return capabilities; |
442 | } | |
443 | ||
fed16f06 | 444 | /* TODO: This will set the same samplerate for all devices. */ |
afc8e4de | 445 | static int set_configuration_samplerate(uint64_t samplerate) |
a1bb33af UH |
446 | { |
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); | |
452 | else | |
fed16f06 | 453 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); |
a1bb33af UH |
454 | |
455 | cur_samplerate = samplerate; | |
456 | ||
457 | return SIGROK_OK; | |
458 | } | |
459 | ||
460 | static int hw_set_configuration(int device_index, int capability, void *value) | |
461 | { | |
462 | struct sigrok_device_instance *sdi; | |
463 | uint64_t *tmp_u64; | |
464 | ||
fed16f06 | 465 | if (!(sdi = get_sigrok_device_instance(device_instances, device_index))) |
e31b636d | 466 | return SIGROK_ERR; |
a1bb33af UH |
467 | |
468 | switch (capability) { | |
fed16f06 UH |
469 | case HWCAP_SAMPLERATE: |
470 | tmp_u64 = value; | |
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); | |
476 | return SIGROK_OK; | |
477 | default: | |
478 | return SIGROK_ERR; | |
a1bb33af UH |
479 | } |
480 | } | |
481 | ||
482 | static int hw_start_acquisition(int device_index, gpointer session_device_id) | |
483 | { | |
484 | struct sigrok_device_instance *sdi; | |
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 | ||
fed16f06 | 491 | if (!(sdi = get_sigrok_device_instance(device_instances, device_index))) |
e31b636d | 492 | return SIGROK_ERR; |
a1bb33af UH |
493 | |
494 | analyzer_start(sdi->usb->devhdl); | |
495 | g_message("Waiting for data"); | |
496 | analyzer_wait_data(sdi->usb->devhdl); | |
497 | ||
fed16f06 UH |
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)); | |
a1bb33af UH |
504 | |
505 | packet.type = DF_HEADER; | |
506 | packet.length = sizeof(struct datafeed_header); | |
fed16f06 | 507 | packet.payload = (unsigned char *)&header; |
a1bb33af UH |
508 | header.feed_version = 1; |
509 | gettimeofday(&header.starttime, NULL); | |
4c100f32 | 510 | header.samplerate = cur_samplerate; |
a1bb33af UH |
511 | header.protocol_id = PROTO_RAW; |
512 | header.num_probes = num_channels; | |
513 | session_bus(session_device_id, &packet); | |
514 | ||
515 | buf = g_malloc(PACKET_SIZE); | |
516 | if (!buf) | |
e31b636d | 517 | return SIGROK_ERR; |
a1bb33af | 518 | analyzer_read_start(sdi->usb->devhdl); |
fed16f06 UH |
519 | /* Send the incoming transfer to the session bus. */ |
520 | for (packet_num = 0; packet_num < (memory_size * 4 / PACKET_SIZE); | |
521 | packet_num++) { | |
a1bb33af | 522 | res = analyzer_read_data(sdi->usb->devhdl, buf, PACKET_SIZE); |
408e7199 UH |
523 | #if 0 |
524 | g_message("Tried to read %llx bytes, actually read %x bytes", | |
525 | PACKET_SIZE, res); | |
526 | #endif | |
a1bb33af UH |
527 | |
528 | packet.type = DF_LOGIC32; | |
529 | packet.length = PACKET_SIZE; | |
530 | packet.payload = buf; | |
fed16f06 | 531 | session_bus(session_device_id, &packet); |
a1bb33af UH |
532 | } |
533 | analyzer_read_stop(sdi->usb->devhdl); | |
534 | g_free(buf); | |
535 | ||
536 | packet.type = DF_END; | |
537 | session_bus(session_device_id, &packet); | |
538 | ||
539 | return SIGROK_OK; | |
540 | } | |
541 | ||
fed16f06 | 542 | /* This stops acquisition on ALL devices, ignoring device_index. */ |
a1bb33af UH |
543 | static void hw_stop_acquisition(int device_index, gpointer session_device_id) |
544 | { | |
545 | struct datafeed_packet packet; | |
546 | struct sigrok_device_instance *sdi; | |
547 | ||
548 | packet.type = DF_END; | |
549 | session_bus(session_device_id, &packet); | |
550 | ||
fed16f06 UH |
551 | if (!(sdi = get_sigrok_device_instance(device_instances, device_index))) |
552 | return; /* TODO: Cry? */ | |
a1bb33af UH |
553 | |
554 | analyzer_reset(sdi->usb->devhdl); | |
fed16f06 | 555 | /* TODO: Need to cancel and free any queued up transfers. */ |
a1bb33af UH |
556 | } |
557 | ||
a1bb33af UH |
558 | struct device_plugin zeroplus_logic_cube_plugin_info = { |
559 | "zeroplus-logic-cube", | |
560 | 1, | |
561 | hw_init, | |
562 | hw_cleanup, | |
a1bb33af UH |
563 | hw_opendev, |
564 | hw_closedev, | |
565 | hw_get_device_info, | |
566 | hw_get_status, | |
567 | hw_get_capabilities, | |
568 | hw_set_configuration, | |
569 | hw_start_acquisition, | |
fed16f06 | 570 | hw_stop_acquisition, |
a1bb33af | 571 | }; |