]>
Commit | Line | Data |
---|---|---|
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> | |
fed16f06 | 27 | #include <sigrok.h> |
4cea9eb2 | 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 | ||
a00ba012 | 76 | /* List of struct sr_device_instance, maintained by opendev()/closedev(). */ |
a1bb33af UH |
77 | static GSList *device_instances = NULL; |
78 | ||
79 | static libusb_context *usb_context = NULL; | |
80 | ||
fed16f06 UH |
81 | /* |
82 | * The hardware supports more samplerates than these, but these are the | |
83 | * options hardcoded into the vendor's Windows GUI. | |
84 | */ | |
a1bb33af | 85 | |
fed16f06 UH |
86 | /* |
87 | * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up | |
88 | * that high. | |
89 | */ | |
a1bb33af | 90 | static uint64_t supported_samplerates[] = { |
c9140419 UH |
91 | SR_HZ(100), |
92 | SR_HZ(500), | |
59df0c77 UH |
93 | SR_KHZ(1), |
94 | SR_KHZ(5), | |
95 | SR_KHZ(25), | |
96 | SR_KHZ(50), | |
97 | SR_KHZ(100), | |
98 | SR_KHZ(200), | |
99 | SR_KHZ(400), | |
100 | SR_KHZ(800), | |
101 | SR_MHZ(1), | |
102 | SR_MHZ(10), | |
103 | SR_MHZ(25), | |
104 | SR_MHZ(50), | |
105 | SR_MHZ(80), | |
106 | SR_MHZ(100), | |
107 | SR_MHZ(150), | |
108 | SR_MHZ(200), | |
fed16f06 | 109 | 0, |
a1bb33af UH |
110 | }; |
111 | ||
60679b18 | 112 | static struct sr_samplerates samplerates = { |
c9140419 UH |
113 | SR_HZ(0), |
114 | SR_HZ(0), | |
115 | SR_HZ(0), | |
fed16f06 | 116 | supported_samplerates, |
a1bb33af UH |
117 | }; |
118 | ||
fed16f06 | 119 | /* TODO: All of these should go in a device-specific struct. */ |
a1bb33af | 120 | static uint64_t cur_samplerate = 0; |
9c939c51 | 121 | static uint64_t period_ps = 0; |
a1bb33af | 122 | static uint64_t limit_samples = 0; |
29cbfeaf UH |
123 | static int num_channels = 32; /* TODO: This isn't initialized before it's needed :( */ |
124 | static uint64_t memory_size = 0; | |
86c5e279 | 125 | static uint8_t probe_mask = 0; |
fed16f06 UH |
126 | static uint8_t trigger_mask[NUM_TRIGGER_STAGES] = { 0 }; |
127 | static uint8_t trigger_value[NUM_TRIGGER_STAGES] = { 0 }; | |
a1bb33af | 128 | |
fed16f06 | 129 | // static uint8_t trigger_buffer[NUM_TRIGGER_STAGES] = { 0 }; |
a1bb33af UH |
130 | |
131 | static int hw_set_configuration(int device_index, int capability, void *value); | |
132 | ||
133 | static unsigned int get_memory_size(int type) | |
134 | { | |
fed16f06 UH |
135 | if (type == MEMORY_SIZE_8K) |
136 | return 8 * 1024; | |
137 | else if (type == MEMORY_SIZE_64K) | |
138 | return 64 * 1024; | |
139 | else if (type == MEMORY_SIZE_128K) | |
140 | return 128 * 1024; | |
141 | else if (type == MEMORY_SIZE_512K) | |
142 | return 512 * 1024; | |
143 | else | |
144 | return 0; | |
a1bb33af UH |
145 | } |
146 | ||
a00ba012 | 147 | static int opendev4(struct sr_device_instance **sdi, libusb_device *dev, |
408e7199 UH |
148 | struct libusb_device_descriptor *des) |
149 | { | |
9a498834 UH |
150 | unsigned int i; |
151 | int err; | |
408e7199 UH |
152 | |
153 | if ((err = libusb_get_device_descriptor(dev, des))) { | |
b08024a8 | 154 | sr_warn("failed to get device descriptor: %d", err); |
408e7199 UH |
155 | return -1; |
156 | } | |
157 | ||
9a498834 | 158 | if (des->idVendor != USB_VENDOR) |
408e7199 UH |
159 | return 0; |
160 | ||
161 | if (libusb_get_bus_number(dev) == (*sdi)->usb->bus | |
162 | && libusb_get_device_address(dev) == (*sdi)->usb->address) { | |
163 | ||
9a498834 UH |
164 | for (i = 0; i < ARRAY_SIZE(zeroplus_models); i++) { |
165 | if (!(des->idProduct == zeroplus_models[i].pid)) | |
408e7199 UH |
166 | continue; |
167 | ||
b08024a8 UH |
168 | sr_info("Found PID=%04X (%s)", des->idProduct, |
169 | zeroplus_models[i].model_name); | |
9a498834 UH |
170 | num_channels = zeroplus_models[i].channels; |
171 | memory_size = zeroplus_models[i].sample_depth * 1024; | |
408e7199 UH |
172 | break; |
173 | } | |
174 | ||
175 | if (num_channels == 0) { | |
b08024a8 | 176 | sr_warn("Unknown ZeroPlus device %04X", des->idProduct); |
408e7199 UH |
177 | return -2; |
178 | } | |
179 | ||
180 | /* Found it. */ | |
181 | if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) { | |
5a2326a7 | 182 | (*sdi)->status = SR_ST_ACTIVE; |
b08024a8 UH |
183 | sr_info("opened device %d on %d.%d interface %d", |
184 | (*sdi)->index, (*sdi)->usb->bus, | |
185 | (*sdi)->usb->address, USB_INTERFACE); | |
408e7199 | 186 | } else { |
b08024a8 | 187 | sr_warn("failed to open device: %d", err); |
408e7199 UH |
188 | *sdi = NULL; |
189 | } | |
190 | } | |
191 | ||
192 | return 0; | |
193 | } | |
194 | ||
29cbfeaf | 195 | static struct sr_device_instance *zp_open_device(int device_index) |
a1bb33af | 196 | { |
a00ba012 | 197 | struct sr_device_instance *sdi; |
a1bb33af UH |
198 | libusb_device **devlist; |
199 | struct libusb_device_descriptor des; | |
afc8e4de | 200 | int err, i; |
a1bb33af | 201 | |
d32d961d | 202 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
a1bb33af UH |
203 | return NULL; |
204 | ||
205 | libusb_get_device_list(usb_context, &devlist); | |
5a2326a7 | 206 | if (sdi->status == SR_ST_INACTIVE) { |
fed16f06 | 207 | /* Find the device by vendor, product, bus and address. */ |
a1bb33af | 208 | libusb_get_device_list(usb_context, &devlist); |
fed16f06 | 209 | for (i = 0; devlist[i]; i++) { |
408e7199 | 210 | /* TODO: Error handling. */ |
9a5c6dcf | 211 | err = opendev4(&sdi, devlist[i], &des); |
a1bb33af | 212 | } |
fed16f06 | 213 | } else { |
5a2326a7 | 214 | /* Status must be SR_ST_ACTIVE, i.e. already in use... */ |
a1bb33af UH |
215 | sdi = NULL; |
216 | } | |
217 | libusb_free_device_list(devlist, 1); | |
218 | ||
5a2326a7 | 219 | if (sdi && sdi->status != SR_ST_ACTIVE) |
a1bb33af UH |
220 | sdi = NULL; |
221 | ||
222 | return sdi; | |
223 | } | |
224 | ||
a00ba012 | 225 | static void close_device(struct sr_device_instance *sdi) |
a1bb33af | 226 | { |
408e7199 UH |
227 | if (!sdi->usb->devhdl) |
228 | return; | |
229 | ||
b08024a8 UH |
230 | sr_info("closing device %d on %d.%d interface %d", sdi->index, |
231 | sdi->usb->bus, sdi->usb->address, USB_INTERFACE); | |
408e7199 UH |
232 | libusb_release_interface(sdi->usb->devhdl, USB_INTERFACE); |
233 | libusb_close(sdi->usb->devhdl); | |
234 | sdi->usb->devhdl = NULL; | |
5a2326a7 | 235 | sdi->status = SR_ST_INACTIVE; |
a1bb33af UH |
236 | } |
237 | ||
a1bb33af UH |
238 | static int configure_probes(GSList *probes) |
239 | { | |
1afe8989 | 240 | struct sr_probe *probe; |
a1bb33af UH |
241 | GSList *l; |
242 | int probe_bit, stage, i; | |
243 | char *tc; | |
244 | ||
245 | probe_mask = 0; | |
fed16f06 | 246 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
a1bb33af UH |
247 | trigger_mask[i] = 0; |
248 | trigger_value[i] = 0; | |
249 | } | |
250 | ||
251 | stage = -1; | |
fed16f06 | 252 | for (l = probes; l; l = l->next) { |
1afe8989 | 253 | probe = (struct sr_probe *)l->data; |
fed16f06 | 254 | if (probe->enabled == FALSE) |
a1bb33af UH |
255 | continue; |
256 | probe_bit = 1 << (probe->index - 1); | |
257 | probe_mask |= probe_bit; | |
fed16f06 UH |
258 | |
259 | if (probe->trigger) { | |
a1bb33af | 260 | stage = 0; |
fed16f06 | 261 | for (tc = probe->trigger; *tc; tc++) { |
a1bb33af | 262 | trigger_mask[stage] |= probe_bit; |
fed16f06 | 263 | if (*tc == '1') |
a1bb33af UH |
264 | trigger_value[stage] |= probe_bit; |
265 | stage++; | |
fed16f06 | 266 | if (stage > NUM_TRIGGER_STAGES) |
e46b8fb1 | 267 | return SR_ERR; |
a1bb33af UH |
268 | } |
269 | } | |
270 | } | |
271 | ||
e46b8fb1 | 272 | return SR_OK; |
a1bb33af UH |
273 | } |
274 | ||
a1bb33af UH |
275 | /* |
276 | * API callbacks | |
277 | */ | |
278 | ||
54ac5277 | 279 | static int hw_init(const char *deviceinfo) |
a1bb33af | 280 | { |
a00ba012 | 281 | struct sr_device_instance *sdi; |
a1bb33af UH |
282 | struct libusb_device_descriptor des; |
283 | libusb_device **devlist; | |
284 | int err, devcnt, i; | |
285 | ||
17e1afcb | 286 | /* Avoid compiler warnings. */ |
cb93f8a9 | 287 | (void)deviceinfo; |
afc8e4de | 288 | |
fed16f06 | 289 | if (libusb_init(&usb_context) != 0) { |
b08024a8 | 290 | sr_warn("Failed to initialize USB."); |
a1bb33af UH |
291 | return 0; |
292 | } | |
293 | ||
fed16f06 | 294 | /* Find all ZeroPlus analyzers and add them to device list. */ |
a1bb33af UH |
295 | devcnt = 0; |
296 | libusb_get_device_list(usb_context, &devlist); | |
fed16f06 UH |
297 | |
298 | for (i = 0; devlist[i]; i++) { | |
a1bb33af | 299 | err = libusb_get_device_descriptor(devlist[i], &des); |
fed16f06 | 300 | if (err != 0) { |
b08024a8 | 301 | sr_warn("failed to get device descriptor: %d", err); |
a1bb33af UH |
302 | continue; |
303 | } | |
304 | ||
fed16f06 UH |
305 | if (des.idVendor == USB_VENDOR) { |
306 | /* | |
307 | * Definitely a Zeroplus. | |
308 | * TODO: Any way to detect specific model/version in | |
309 | * the zeroplus range? | |
310 | */ | |
a00ba012 | 311 | sdi = sr_device_instance_new(devcnt, |
5a2326a7 | 312 | SR_ST_INACTIVE, USB_VENDOR_NAME, |
fed16f06 UH |
313 | USB_MODEL_NAME, USB_MODEL_VERSION); |
314 | if (!sdi) | |
a1bb33af | 315 | return 0; |
fed16f06 UH |
316 | device_instances = |
317 | g_slist_append(device_instances, sdi); | |
6c290072 | 318 | sdi->usb = sr_usb_device_instance_new( |
fed16f06 UH |
319 | libusb_get_bus_number(devlist[i]), |
320 | libusb_get_device_address(devlist[i]), NULL); | |
a1bb33af UH |
321 | devcnt++; |
322 | } | |
323 | } | |
324 | libusb_free_device_list(devlist, 1); | |
325 | ||
326 | return devcnt; | |
327 | } | |
328 | ||
a1bb33af UH |
329 | static int hw_opendev(int device_index) |
330 | { | |
a00ba012 | 331 | struct sr_device_instance *sdi; |
a1bb33af UH |
332 | int err; |
333 | ||
fed16f06 | 334 | if (!(sdi = zp_open_device(device_index))) { |
b08024a8 | 335 | sr_warn("unable to open device"); |
e46b8fb1 | 336 | return SR_ERR; |
a1bb33af UH |
337 | } |
338 | ||
339 | err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE); | |
fed16f06 | 340 | if (err != 0) { |
b08024a8 | 341 | sr_warn("Unable to claim interface: %d", err); |
e46b8fb1 | 342 | return SR_ERR; |
a1bb33af UH |
343 | } |
344 | analyzer_reset(sdi->usb->devhdl); | |
345 | analyzer_initialize(sdi->usb->devhdl); | |
a1bb33af UH |
346 | |
347 | analyzer_set_memory_size(MEMORY_SIZE_512K); | |
fed16f06 | 348 | // analyzer_set_freq(g_freq, g_freq_scale); |
a1bb33af | 349 | analyzer_set_trigger_count(1); |
408e7199 UH |
350 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) |
351 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
fed16f06 UH |
352 | analyzer_set_ramsize_trigger_address( |
353 | (100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2); | |
a1bb33af | 354 | |
fed16f06 UH |
355 | #if 0 |
356 | if (g_double_mode == 1) | |
a1bb33af UH |
357 | analyzer_set_compression(COMPRESSION_DOUBLE); |
358 | else if (g_compression == 1) | |
359 | analyzer_set_compression(COMPRESSION_ENABLE); | |
fed16f06 UH |
360 | else |
361 | #endif | |
362 | analyzer_set_compression(COMPRESSION_NONE); | |
a1bb33af | 363 | |
fed16f06 | 364 | if (cur_samplerate == 0) { |
408e7199 | 365 | /* Samplerate hasn't been set. Default to the slowest one. */ |
5a2326a7 | 366 | if (hw_set_configuration(device_index, SR_HWCAP_SAMPLERATE, |
e46b8fb1 UH |
367 | &samplerates.low) == SR_ERR) |
368 | return SR_ERR; | |
a1bb33af UH |
369 | } |
370 | ||
e46b8fb1 | 371 | return SR_OK; |
a1bb33af UH |
372 | } |
373 | ||
697785d1 | 374 | static int hw_closedev(int device_index) |
a1bb33af | 375 | { |
a00ba012 | 376 | struct sr_device_instance *sdi; |
a1bb33af | 377 | |
697785d1 UH |
378 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) { |
379 | sr_err("lap-c: %s: sdi was NULL", __func__); | |
380 | return SR_ERR; /* TODO: SR_ERR_ARG? */ | |
381 | } | |
382 | ||
383 | /* TODO */ | |
384 | close_device(sdi); | |
385 | ||
386 | return SR_OK; | |
a1bb33af UH |
387 | } |
388 | ||
a1bb33af UH |
389 | static void hw_cleanup(void) |
390 | { | |
391 | GSList *l; | |
392 | ||
408e7199 | 393 | /* Properly close all devices... */ |
fed16f06 | 394 | for (l = device_instances; l; l = l->next) |
a00ba012 | 395 | close_device((struct sr_device_instance *)l->data); |
a1bb33af | 396 | |
408e7199 | 397 | /* ...and free all their memory. */ |
fed16f06 | 398 | for (l = device_instances; l; l = l->next) |
a1bb33af UH |
399 | g_free(l->data); |
400 | g_slist_free(device_instances); | |
401 | device_instances = NULL; | |
402 | ||
fed16f06 | 403 | if (usb_context) |
a1bb33af UH |
404 | libusb_exit(usb_context); |
405 | usb_context = NULL; | |
a1bb33af UH |
406 | } |
407 | ||
a1bb33af UH |
408 | static void *hw_get_device_info(int device_index, int device_info_id) |
409 | { | |
a00ba012 | 410 | struct sr_device_instance *sdi; |
408e7199 | 411 | void *info = NULL; |
a1bb33af | 412 | |
d32d961d | 413 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
a1bb33af UH |
414 | return NULL; |
415 | ||
fed16f06 | 416 | switch (device_info_id) { |
5a2326a7 | 417 | case SR_DI_INSTANCE: |
a1bb33af UH |
418 | info = sdi; |
419 | break; | |
5a2326a7 | 420 | case SR_DI_NUM_PROBES: |
a1bb33af UH |
421 | info = GINT_TO_POINTER(num_channels); |
422 | break; | |
5a2326a7 | 423 | case SR_DI_SAMPLERATES: |
a1bb33af UH |
424 | info = &samplerates; |
425 | break; | |
5a2326a7 | 426 | case SR_DI_TRIGGER_TYPES: |
a1bb33af UH |
427 | info = TRIGGER_TYPES; |
428 | break; | |
5a2326a7 | 429 | case SR_DI_CUR_SAMPLERATE: |
a1bb33af UH |
430 | info = &cur_samplerate; |
431 | break; | |
432 | } | |
433 | ||
434 | return info; | |
435 | } | |
436 | ||
a1bb33af UH |
437 | static int hw_get_status(int device_index) |
438 | { | |
a00ba012 | 439 | struct sr_device_instance *sdi; |
a1bb33af | 440 | |
d32d961d | 441 | sdi = sr_get_device_instance(device_instances, device_index); |
fed16f06 | 442 | if (sdi) |
a1bb33af UH |
443 | return sdi->status; |
444 | else | |
5a2326a7 | 445 | return SR_ST_NOT_FOUND; |
a1bb33af UH |
446 | } |
447 | ||
a1bb33af UH |
448 | static int *hw_get_capabilities(void) |
449 | { | |
a1bb33af UH |
450 | return capabilities; |
451 | } | |
452 | ||
fed16f06 | 453 | /* TODO: This will set the same samplerate for all devices. */ |
afc8e4de | 454 | static int set_configuration_samplerate(uint64_t samplerate) |
a1bb33af | 455 | { |
6bb5c5fa | 456 | sr_info("%s(%" PRIu64 ")", __func__, samplerate); |
59df0c77 UH |
457 | if (samplerate > SR_MHZ(1)) |
458 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); | |
459 | else if (samplerate > SR_KHZ(1)) | |
460 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); | |
a1bb33af | 461 | else |
fed16f06 | 462 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); |
a1bb33af UH |
463 | |
464 | cur_samplerate = samplerate; | |
9c939c51 | 465 | period_ps = 1000000000000 / samplerate; |
a1bb33af | 466 | |
e46b8fb1 | 467 | return SR_OK; |
a1bb33af UH |
468 | } |
469 | ||
470 | static int hw_set_configuration(int device_index, int capability, void *value) | |
471 | { | |
a00ba012 | 472 | struct sr_device_instance *sdi; |
a1bb33af UH |
473 | uint64_t *tmp_u64; |
474 | ||
d32d961d | 475 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 476 | return SR_ERR; |
a1bb33af UH |
477 | |
478 | switch (capability) { | |
5a2326a7 | 479 | case SR_HWCAP_SAMPLERATE: |
fed16f06 UH |
480 | tmp_u64 = value; |
481 | return set_configuration_samplerate(*tmp_u64); | |
5a2326a7 | 482 | case SR_HWCAP_PROBECONFIG: |
fed16f06 | 483 | return configure_probes((GSList *) value); |
5a2326a7 | 484 | case SR_HWCAP_LIMIT_SAMPLES: |
2458ea65 BV |
485 | tmp_u64 = value; |
486 | limit_samples = *tmp_u64; | |
e46b8fb1 | 487 | return SR_OK; |
fed16f06 | 488 | default: |
e46b8fb1 | 489 | return SR_ERR; |
a1bb33af UH |
490 | } |
491 | } | |
492 | ||
9c939c51 | 493 | static int hw_start_acquisition(int device_index, gpointer session_data) |
a1bb33af | 494 | { |
a00ba012 | 495 | struct sr_device_instance *sdi; |
b9c735a2 | 496 | struct sr_datafeed_packet packet; |
9c939c51 | 497 | struct sr_datafeed_logic logic; |
b9c735a2 | 498 | struct sr_datafeed_header header; |
9c939c51 | 499 | uint64_t samples_read; |
a1bb33af | 500 | int res; |
afc8e4de | 501 | unsigned int packet_num; |
a1bb33af UH |
502 | unsigned char *buf; |
503 | ||
d32d961d | 504 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 505 | return SR_ERR; |
a1bb33af | 506 | |
a143e4e5 BV |
507 | /* push configured settings to device */ |
508 | analyzer_configure(sdi->usb->devhdl); | |
509 | ||
a1bb33af | 510 | analyzer_start(sdi->usb->devhdl); |
b08024a8 | 511 | sr_info("Waiting for data"); |
a1bb33af UH |
512 | analyzer_wait_data(sdi->usb->devhdl); |
513 | ||
9c939c51 BV |
514 | sr_info("Stop address = 0x%x", analyzer_get_stop_address(sdi->usb->devhdl)); |
515 | sr_info("Now address = 0x%x", analyzer_get_now_address(sdi->usb->devhdl)); | |
516 | sr_info("Trigger address = 0x%x", analyzer_get_trigger_address(sdi->usb->devhdl)); | |
a1bb33af | 517 | |
5a2326a7 | 518 | packet.type = SR_DF_HEADER; |
9c939c51 | 519 | packet.payload = &header; |
a1bb33af UH |
520 | header.feed_version = 1; |
521 | gettimeofday(&header.starttime, NULL); | |
4c100f32 | 522 | header.samplerate = cur_samplerate; |
c2616fb9 DR |
523 | header.num_logic_probes = num_channels; |
524 | header.num_analog_probes = 0; | |
9c939c51 | 525 | sr_session_bus(session_data, &packet); |
a1bb33af | 526 | |
b53738ba | 527 | if (!(buf = g_try_malloc(PACKET_SIZE))) { |
340cfac0 | 528 | sr_err("lap-c: %s: buf malloc failed", __func__); |
b53738ba UH |
529 | return SR_ERR_MALLOC; |
530 | } | |
531 | ||
9c939c51 | 532 | samples_read = 0; |
a1bb33af | 533 | analyzer_read_start(sdi->usb->devhdl); |
fed16f06 UH |
534 | /* Send the incoming transfer to the session bus. */ |
535 | for (packet_num = 0; packet_num < (memory_size * 4 / PACKET_SIZE); | |
536 | packet_num++) { | |
a1bb33af | 537 | res = analyzer_read_data(sdi->usb->devhdl, buf, PACKET_SIZE); |
b08024a8 UH |
538 | sr_info("Tried to read %llx bytes, actually read %x bytes", |
539 | PACKET_SIZE, res); | |
a1bb33af | 540 | |
5a2326a7 | 541 | packet.type = SR_DF_LOGIC; |
9c939c51 BV |
542 | packet.timeoffset = samples_read * period_ps; |
543 | packet.duration = res / 4 * period_ps; | |
544 | packet.payload = &logic; | |
545 | logic.length = PACKET_SIZE; | |
546 | logic.unitsize = 4; | |
547 | logic.data = buf; | |
548 | sr_session_bus(session_data, &packet); | |
549 | samples_read += res / 4; | |
a1bb33af UH |
550 | } |
551 | analyzer_read_stop(sdi->usb->devhdl); | |
552 | g_free(buf); | |
553 | ||
5a2326a7 | 554 | packet.type = SR_DF_END; |
9c939c51 | 555 | sr_session_bus(session_data, &packet); |
a1bb33af | 556 | |
e46b8fb1 | 557 | return SR_OK; |
a1bb33af UH |
558 | } |
559 | ||
fed16f06 | 560 | /* This stops acquisition on ALL devices, ignoring device_index. */ |
a1bb33af UH |
561 | static void hw_stop_acquisition(int device_index, gpointer session_device_id) |
562 | { | |
b9c735a2 | 563 | struct sr_datafeed_packet packet; |
a00ba012 | 564 | struct sr_device_instance *sdi; |
a1bb33af | 565 | |
5a2326a7 | 566 | packet.type = SR_DF_END; |
8a2efef2 | 567 | sr_session_bus(session_device_id, &packet); |
a1bb33af | 568 | |
d32d961d | 569 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
fed16f06 | 570 | return; /* TODO: Cry? */ |
a1bb33af UH |
571 | |
572 | analyzer_reset(sdi->usb->devhdl); | |
fed16f06 | 573 | /* TODO: Need to cancel and free any queued up transfers. */ |
a1bb33af UH |
574 | } |
575 | ||
5c2d46d1 | 576 | struct sr_device_plugin zeroplus_logic_cube_plugin_info = { |
e519ba86 UH |
577 | .name = "zeroplus-logic-cube", |
578 | .longname = "Zeroplus Logic Cube LAP-C series", | |
579 | .api_version = 1, | |
580 | .init = hw_init, | |
581 | .cleanup = hw_cleanup, | |
86f5e3d8 UH |
582 | .opendev = hw_opendev, |
583 | .closedev = hw_closedev, | |
e519ba86 UH |
584 | .get_device_info = hw_get_device_info, |
585 | .get_status = hw_get_status, | |
586 | .get_capabilities = hw_get_capabilities, | |
587 | .set_configuration = hw_set_configuration, | |
588 | .start_acquisition = hw_start_acquisition, | |
589 | .stop_acquisition = hw_stop_acquisition, | |
a1bb33af | 590 | }; |