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Commit | Line | Data |
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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
c73d2ea4 | 4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> |
a1bb33af UH |
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> | |
c31e9ef4 | 22 | #include <string.h> |
a1bb33af UH |
23 | #include <sys/time.h> |
24 | #include <inttypes.h> | |
25 | #include <glib.h> | |
26 | #include <libusb.h> | |
45c59c8b BV |
27 | #include "libsigrok.h" |
28 | #include "libsigrok-internal.h" | |
a1bb33af UH |
29 | #include "analyzer.h" |
30 | ||
fed16f06 | 31 | #define USB_VENDOR 0x0c12 |
8fdecced UH |
32 | |
33 | #define VENDOR_NAME "ZEROPLUS" | |
34 | #define MODEL_NAME "Logic Cube LAP-C" | |
35 | #define MODEL_VERSION NULL | |
a1bb33af | 36 | |
6752905e | 37 | #define NUM_PROBES 16 |
a1bb33af UH |
38 | #define USB_INTERFACE 0 |
39 | #define USB_CONFIGURATION 1 | |
40 | #define NUM_TRIGGER_STAGES 4 | |
41 | #define TRIGGER_TYPES "01" | |
42 | ||
fed16f06 | 43 | #define PACKET_SIZE 2048 /* ?? */ |
a1bb33af | 44 | |
0ab0cb94 TY |
45 | //#define ZP_EXPERIMENTAL |
46 | ||
a1bb33af | 47 | typedef struct { |
428edbe1 | 48 | unsigned short vid; |
a1bb33af | 49 | unsigned short pid; |
428edbe1 | 50 | char *model_name; |
a1bb33af | 51 | unsigned int channels; |
fed16f06 | 52 | unsigned int sample_depth; /* In Ksamples/channel */ |
a1bb33af UH |
53 | unsigned int max_sampling_freq; |
54 | } model_t; | |
55 | ||
fed16f06 UH |
56 | /* |
57 | * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the | |
58 | * same 128K sample depth. | |
59 | */ | |
29cbfeaf | 60 | static model_t zeroplus_models[] = { |
428edbe1 BV |
61 | {0x0c12, 0x7009, "LAP-C(16064)", 16, 64, 100}, |
62 | {0x0c12, 0x700A, "LAP-C(16128)", 16, 128, 200}, | |
3f848bb7 | 63 | /* TODO: we don't know anything about these |
428edbe1 BV |
64 | {0x0c12, 0x700B, "LAP-C(32128)", 32, 128, 200}, |
65 | {0x0c12, 0x700C, "LAP-C(321000)", 32, 1024, 200}, | |
66 | {0x0c12, 0x700D, "LAP-C(322000)", 32, 2048, 200}, | |
3f848bb7 | 67 | */ |
428edbe1 BV |
68 | {0x0c12, 0x700E, "LAP-C(16032)", 16, 32, 100}, |
69 | {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200}, | |
70 | { 0, 0, 0, 0, 0, 0 } | |
a1bb33af UH |
71 | }; |
72 | ||
915f7cc8 | 73 | static const int hwcaps[] = { |
5a2326a7 UH |
74 | SR_HWCAP_LOGIC_ANALYZER, |
75 | SR_HWCAP_SAMPLERATE, | |
5a2326a7 | 76 | SR_HWCAP_CAPTURE_RATIO, |
a1bb33af | 77 | |
fed16f06 | 78 | /* These are really implemented in the driver, not the hardware. */ |
5a2326a7 | 79 | SR_HWCAP_LIMIT_SAMPLES, |
fed16f06 | 80 | 0, |
a1bb33af UH |
81 | }; |
82 | ||
d261dbbf UH |
83 | /* |
84 | * ZEROPLUS LAP-C (16032) numbers the 16 probes A0-A7 and B0-B7. | |
85 | * We currently ignore other untested/unsupported devices here. | |
86 | */ | |
6752905e | 87 | static const char *probe_names[NUM_PROBES + 1] = { |
d261dbbf UH |
88 | "A0", |
89 | "A1", | |
90 | "A2", | |
91 | "A3", | |
92 | "A4", | |
93 | "A5", | |
94 | "A6", | |
95 | "A7", | |
96 | "B0", | |
97 | "B1", | |
98 | "B2", | |
99 | "B3", | |
100 | "B4", | |
101 | "B5", | |
102 | "B6", | |
103 | "B7", | |
464d12c7 KS |
104 | NULL, |
105 | }; | |
106 | ||
e7eb703f | 107 | /* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */ |
32756547 BV |
108 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info; |
109 | static struct sr_dev_driver *zdi = &zeroplus_logic_cube_driver_info; | |
a1bb33af UH |
110 | |
111 | static libusb_context *usb_context = NULL; | |
112 | ||
fed16f06 UH |
113 | /* |
114 | * The hardware supports more samplerates than these, but these are the | |
115 | * options hardcoded into the vendor's Windows GUI. | |
116 | */ | |
a1bb33af | 117 | |
fed16f06 UH |
118 | /* |
119 | * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up | |
120 | * that high. | |
121 | */ | |
a533743d | 122 | static const uint64_t supported_samplerates[] = { |
c9140419 UH |
123 | SR_HZ(100), |
124 | SR_HZ(500), | |
59df0c77 UH |
125 | SR_KHZ(1), |
126 | SR_KHZ(5), | |
127 | SR_KHZ(25), | |
128 | SR_KHZ(50), | |
129 | SR_KHZ(100), | |
130 | SR_KHZ(200), | |
131 | SR_KHZ(400), | |
132 | SR_KHZ(800), | |
133 | SR_MHZ(1), | |
134 | SR_MHZ(10), | |
135 | SR_MHZ(25), | |
136 | SR_MHZ(50), | |
137 | SR_MHZ(80), | |
138 | SR_MHZ(100), | |
139 | SR_MHZ(150), | |
140 | SR_MHZ(200), | |
fed16f06 | 141 | 0, |
a1bb33af UH |
142 | }; |
143 | ||
a533743d | 144 | static const struct sr_samplerates samplerates = { |
590b9f9a UH |
145 | 0, |
146 | 0, | |
147 | 0, | |
fed16f06 | 148 | supported_samplerates, |
a1bb33af UH |
149 | }; |
150 | ||
ea9cfed7 | 151 | /* Private, per-device-instance driver context. */ |
310e9e9b | 152 | struct dev_context { |
bf43ea23 | 153 | uint64_t cur_samplerate; |
0ab0cb94 | 154 | uint64_t max_samplerate; |
bf43ea23 UH |
155 | uint64_t limit_samples; |
156 | int num_channels; /* TODO: This isn't initialized before it's needed :( */ | |
0ab0cb94 TY |
157 | int memory_size; |
158 | unsigned int max_memory_size; | |
159 | //uint8_t probe_mask; | |
160 | //uint8_t trigger_mask[NUM_TRIGGER_STAGES]; | |
161 | //uint8_t trigger_value[NUM_TRIGGER_STAGES]; | |
bf43ea23 | 162 | // uint8_t trigger_buffer[NUM_TRIGGER_STAGES]; |
0ab0cb94 TY |
163 | int trigger; |
164 | unsigned int capture_ratio; | |
69890f73 | 165 | |
7da6f9d5 | 166 | /* TODO: this belongs in the device instance */ |
d68e2d1a | 167 | struct sr_usb_dev_inst *usb; |
bf43ea23 | 168 | }; |
a1bb33af | 169 | |
25a0f108 | 170 | static int hw_dev_close(struct sr_dev_inst *sdi); |
a1bb33af UH |
171 | |
172 | static unsigned int get_memory_size(int type) | |
173 | { | |
fed16f06 UH |
174 | if (type == MEMORY_SIZE_8K) |
175 | return 8 * 1024; | |
176 | else if (type == MEMORY_SIZE_64K) | |
177 | return 64 * 1024; | |
178 | else if (type == MEMORY_SIZE_128K) | |
179 | return 128 * 1024; | |
180 | else if (type == MEMORY_SIZE_512K) | |
181 | return 512 * 1024; | |
182 | else | |
183 | return 0; | |
a1bb33af UH |
184 | } |
185 | ||
0ab0cb94 | 186 | #if 0 |
014359e3 | 187 | static int configure_probes(const struct sr_dev_inst *sdi) |
a1bb33af | 188 | { |
310e9e9b | 189 | struct dev_context *devc; |
1b79df2f JH |
190 | const struct sr_probe *probe; |
191 | const GSList *l; | |
a1bb33af UH |
192 | int probe_bit, stage, i; |
193 | char *tc; | |
194 | ||
bf43ea23 | 195 | /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */ |
310e9e9b | 196 | devc = sdi->priv; |
bf43ea23 | 197 | |
310e9e9b | 198 | devc->probe_mask = 0; |
fed16f06 | 199 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
310e9e9b BV |
200 | devc->trigger_mask[i] = 0; |
201 | devc->trigger_value[i] = 0; | |
a1bb33af UH |
202 | } |
203 | ||
204 | stage = -1; | |
014359e3 | 205 | for (l = sdi->probes; l; l = l->next) { |
1afe8989 | 206 | probe = (struct sr_probe *)l->data; |
fed16f06 | 207 | if (probe->enabled == FALSE) |
a1bb33af | 208 | continue; |
b35c8293 | 209 | probe_bit = 1 << (probe->index); |
310e9e9b | 210 | devc->probe_mask |= probe_bit; |
fed16f06 UH |
211 | |
212 | if (probe->trigger) { | |
a1bb33af | 213 | stage = 0; |
fed16f06 | 214 | for (tc = probe->trigger; *tc; tc++) { |
310e9e9b | 215 | devc->trigger_mask[stage] |= probe_bit; |
fed16f06 | 216 | if (*tc == '1') |
310e9e9b | 217 | devc->trigger_value[stage] |= probe_bit; |
a1bb33af | 218 | stage++; |
fed16f06 | 219 | if (stage > NUM_TRIGGER_STAGES) |
e46b8fb1 | 220 | return SR_ERR; |
a1bb33af UH |
221 | } |
222 | } | |
223 | } | |
224 | ||
e46b8fb1 | 225 | return SR_OK; |
a1bb33af | 226 | } |
0ab0cb94 TY |
227 | #endif |
228 | ||
229 | static int configure_probes(const struct sr_dev_inst *sdi) | |
230 | { | |
231 | struct dev_context *devc; | |
232 | const GSList *l; | |
233 | const struct sr_probe *probe; | |
234 | char *tc; | |
235 | int type; | |
236 | ||
237 | /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */ | |
238 | devc = sdi->priv; | |
239 | ||
240 | for (l = sdi->probes; l; l = l->next) { | |
241 | probe = (struct sr_probe *)l->data; | |
242 | if (probe->enabled == FALSE) | |
243 | continue; | |
244 | ||
245 | if ((tc = probe->trigger)) { | |
246 | switch (*tc) { | |
247 | case '1': | |
248 | type = TRIGGER_HIGH; | |
249 | break; | |
250 | case '0': | |
251 | type = TRIGGER_LOW; | |
252 | break; | |
253 | #if 0 | |
254 | case 'r': | |
255 | type = TRIGGER_POSEDGE; | |
256 | break; | |
257 | case 'f': | |
258 | type = TRIGGER_NEGEDGE; | |
259 | break; | |
260 | case 'c': | |
261 | type = TRIGGER_ANYEDGE; | |
262 | break; | |
263 | #endif | |
264 | default: | |
265 | return SR_ERR; | |
266 | } | |
267 | analyzer_add_trigger(probe->index, type); | |
268 | devc->trigger = 1; | |
269 | } | |
270 | } | |
271 | ||
272 | return SR_OK; | |
273 | } | |
a1bb33af | 274 | |
811deee4 | 275 | static int clear_instances(void) |
7da6f9d5 BV |
276 | { |
277 | GSList *l; | |
278 | struct sr_dev_inst *sdi; | |
310e9e9b | 279 | struct drv_context *drvc; |
fabe59b3 | 280 | struct dev_context *devc; |
7da6f9d5 | 281 | |
310e9e9b BV |
282 | drvc = zdi->priv; |
283 | for (l = drvc->instances; l; l = l->next) { | |
7da6f9d5 | 284 | sdi = l->data; |
fabe59b3 BV |
285 | if (!(devc = sdi->priv)) { |
286 | /* Log error, but continue cleaning up the rest. */ | |
287 | sr_err("zeroplus: %s: sdi->priv was NULL, continuing", __func__); | |
288 | continue; | |
289 | } | |
290 | sr_usb_dev_inst_free(devc->usb); | |
7da6f9d5 | 291 | /* Properly close all devices... */ |
25a0f108 | 292 | hw_dev_close(sdi); |
7da6f9d5 BV |
293 | /* ...and free all their memory. */ |
294 | sr_dev_inst_free(sdi); | |
295 | } | |
310e9e9b BV |
296 | g_slist_free(drvc->instances); |
297 | drvc->instances = NULL; | |
7da6f9d5 | 298 | |
811deee4 | 299 | return SR_OK; |
7da6f9d5 BV |
300 | } |
301 | ||
a1bb33af UH |
302 | /* |
303 | * API callbacks | |
304 | */ | |
305 | ||
34f06b90 | 306 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 307 | { |
310e9e9b BV |
308 | struct drv_context *drvc; |
309 | ||
310 | if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { | |
311 | sr_err("zeroplus: driver context malloc failed."); | |
886a52b6 | 312 | return SR_ERR_MALLOC; |
310e9e9b | 313 | } |
1ebe4b4e | 314 | drvc->sr_ctx = sr_ctx; |
310e9e9b | 315 | zdi->priv = drvc; |
61136ea6 | 316 | |
7da6f9d5 BV |
317 | if (libusb_init(&usb_context) != 0) { |
318 | sr_err("zp: Failed to initialize USB."); | |
319 | return 0; | |
320 | } | |
61136ea6 BV |
321 | |
322 | return SR_OK; | |
323 | } | |
324 | ||
4ca38984 | 325 | static GSList *hw_scan(GSList *options) |
a1bb33af | 326 | { |
d68e2d1a | 327 | struct sr_dev_inst *sdi; |
428edbe1 | 328 | struct sr_probe *probe; |
310e9e9b BV |
329 | struct drv_context *drvc; |
330 | struct dev_context *devc; | |
428edbe1 | 331 | model_t *prof; |
a1bb33af UH |
332 | struct libusb_device_descriptor des; |
333 | libusb_device **devlist; | |
428edbe1 BV |
334 | GSList *devices; |
335 | int ret, devcnt, i, j; | |
a1bb33af | 336 | |
4ca38984 | 337 | (void)options; |
64d33dc2 | 338 | |
310e9e9b | 339 | drvc = zdi->priv; |
4ca38984 BV |
340 | devices = NULL; |
341 | ||
7da6f9d5 BV |
342 | clear_instances(); |
343 | ||
8fdecced | 344 | /* Find all ZEROPLUS analyzers and add them to device list. */ |
a1bb33af | 345 | devcnt = 0; |
185ae2c5 | 346 | libusb_get_device_list(usb_context, &devlist); /* TODO: Errors. */ |
fed16f06 UH |
347 | |
348 | for (i = 0; devlist[i]; i++) { | |
ebc34738 UH |
349 | ret = libusb_get_device_descriptor(devlist[i], &des); |
350 | if (ret != 0) { | |
351 | sr_err("zp: failed to get device descriptor: %d", ret); | |
a1bb33af UH |
352 | continue; |
353 | } | |
354 | ||
428edbe1 BV |
355 | prof = NULL; |
356 | for (j = 0; j < zeroplus_models[j].vid; j++) { | |
357 | if (des.idVendor == zeroplus_models[j].vid && | |
358 | des.idProduct == zeroplus_models[j].pid) { | |
359 | prof = &zeroplus_models[j]; | |
bf43ea23 | 360 | } |
a1bb33af | 361 | } |
428edbe1 BV |
362 | /* Skip if the device was not found */ |
363 | if (!prof) | |
364 | continue; | |
365 | sr_info("zp: Found ZEROPLUS model %s", prof->model_name); | |
366 | ||
367 | /* Register the device with libsigrok. */ | |
368 | if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE, | |
369 | VENDOR_NAME, prof->model_name, NULL))) { | |
370 | sr_err("zp: %s: sr_dev_inst_new failed", __func__); | |
371 | return NULL; | |
372 | } | |
373 | sdi->driver = zdi; | |
374 | ||
375 | /* Allocate memory for our private driver context. */ | |
310e9e9b BV |
376 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
377 | sr_err("zp: %s: devc malloc failed", __func__); | |
886a52b6 | 378 | return NULL; |
428edbe1 | 379 | } |
310e9e9b BV |
380 | sdi->priv = devc; |
381 | devc->num_channels = prof->channels; | |
0ab0cb94 TY |
382 | #ifdef ZP_EXPERIMENTAL |
383 | devc->max_memory_size = 128 * 1024; | |
384 | devc->max_samplerate = 200; | |
385 | #else | |
386 | devc->max_memory_size = prof->sample_depth * 1024; | |
387 | devc->max_samplerate = prof->max_sampling_freq; | |
388 | #endif | |
389 | devc->max_samplerate *= SR_MHZ(1); | |
390 | devc->memory_size = MEMORY_SIZE_8K; | |
310e9e9b | 391 | // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES); |
428edbe1 BV |
392 | |
393 | /* Fill in probelist according to this device's profile. */ | |
310e9e9b | 394 | for (j = 0; j < devc->num_channels; j++) { |
428edbe1 BV |
395 | if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, |
396 | probe_names[j]))) | |
397 | return NULL; | |
398 | sdi->probes = g_slist_append(sdi->probes, probe); | |
399 | } | |
400 | ||
401 | devices = g_slist_append(devices, sdi); | |
310e9e9b BV |
402 | drvc->instances = g_slist_append(drvc->instances, sdi); |
403 | devc->usb = sr_usb_dev_inst_new( | |
428edbe1 BV |
404 | libusb_get_bus_number(devlist[i]), |
405 | libusb_get_device_address(devlist[i]), NULL); | |
406 | devcnt++; | |
407 | ||
a1bb33af UH |
408 | } |
409 | libusb_free_device_list(devlist, 1); | |
410 | ||
4ca38984 | 411 | return devices; |
a1bb33af UH |
412 | } |
413 | ||
811deee4 BV |
414 | static GSList *hw_dev_list(void) |
415 | { | |
416 | struct drv_context *drvc; | |
417 | ||
418 | drvc = zdi->priv; | |
419 | ||
420 | return drvc->instances; | |
421 | } | |
422 | ||
25a0f108 | 423 | static int hw_dev_open(struct sr_dev_inst *sdi) |
a1bb33af | 424 | { |
310e9e9b | 425 | struct dev_context *devc; |
428edbe1 BV |
426 | libusb_device **devlist, *dev; |
427 | struct libusb_device_descriptor des; | |
428 | int device_count, ret, i; | |
a1bb33af | 429 | |
310e9e9b | 430 | if (!(devc = sdi->priv)) { |
bf43ea23 UH |
431 | sr_err("zp: %s: sdi->priv was NULL", __func__); |
432 | return SR_ERR_ARG; | |
433 | } | |
434 | ||
428edbe1 BV |
435 | device_count = libusb_get_device_list(usb_context, &devlist); |
436 | if (device_count < 0) { | |
437 | sr_err("zp: Failed to retrieve device list"); | |
438 | return SR_ERR; | |
439 | } | |
440 | ||
441 | dev = NULL; | |
442 | for (i = 0; i < device_count; i++) { | |
443 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { | |
444 | sr_err("fx2lafw: Failed to get device descriptor: %d.", | |
445 | ret); | |
446 | continue; | |
447 | } | |
310e9e9b BV |
448 | if (libusb_get_bus_number(devlist[i]) == devc->usb->bus |
449 | && libusb_get_device_address(devlist[i]) == devc->usb->address) { | |
428edbe1 BV |
450 | dev = devlist[i]; |
451 | break; | |
452 | } | |
453 | } | |
454 | if (!dev) { | |
455 | sr_err("device on bus %d address %d disappeared!", | |
310e9e9b | 456 | devc->usb->bus, devc->usb->address); |
428edbe1 BV |
457 | return SR_ERR; |
458 | } | |
459 | ||
310e9e9b | 460 | if (!(ret = libusb_open(dev, &(devc->usb->devhdl)))) { |
428edbe1 BV |
461 | sdi->status = SR_ST_ACTIVE; |
462 | sr_info("zp: opened device %d on %d.%d interface %d", | |
310e9e9b BV |
463 | sdi->index, devc->usb->bus, |
464 | devc->usb->address, USB_INTERFACE); | |
428edbe1 BV |
465 | } else { |
466 | sr_err("zp: failed to open device: %d", ret); | |
467 | return SR_ERR; | |
468 | } | |
469 | ||
310e9e9b | 470 | ret = libusb_set_configuration(devc->usb->devhdl, USB_CONFIGURATION); |
ebc34738 | 471 | if (ret < 0) { |
133a37bf | 472 | sr_err("zp: Unable to set USB configuration %d: %d", |
ebc34738 | 473 | USB_CONFIGURATION, ret); |
185ae2c5 UH |
474 | return SR_ERR; |
475 | } | |
476 | ||
310e9e9b | 477 | ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); |
ebc34738 UH |
478 | if (ret != 0) { |
479 | sr_err("zp: Unable to claim interface: %d", ret); | |
e46b8fb1 | 480 | return SR_ERR; |
a1bb33af | 481 | } |
185ae2c5 | 482 | |
0ab0cb94 TY |
483 | /* Set default configuration after power on */ |
484 | if (analyzer_read_status(devc->usb->devhdl) == 0) | |
485 | analyzer_configure(devc->usb->devhdl); | |
486 | ||
310e9e9b BV |
487 | analyzer_reset(devc->usb->devhdl); |
488 | analyzer_initialize(devc->usb->devhdl); | |
a1bb33af | 489 | |
0ab0cb94 | 490 | //analyzer_set_memory_size(MEMORY_SIZE_512K); |
fed16f06 | 491 | // analyzer_set_freq(g_freq, g_freq_scale); |
a1bb33af | 492 | analyzer_set_trigger_count(1); |
408e7199 UH |
493 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) |
494 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
a1bb33af | 495 | |
fed16f06 UH |
496 | #if 0 |
497 | if (g_double_mode == 1) | |
a1bb33af UH |
498 | analyzer_set_compression(COMPRESSION_DOUBLE); |
499 | else if (g_compression == 1) | |
500 | analyzer_set_compression(COMPRESSION_ENABLE); | |
fed16f06 UH |
501 | else |
502 | #endif | |
503 | analyzer_set_compression(COMPRESSION_NONE); | |
a1bb33af | 504 | |
310e9e9b | 505 | if (devc->cur_samplerate == 0) { |
0ab0cb94 TY |
506 | /* Samplerate hasn't been set. Default to 1MHz. */ |
507 | analyzer_set_freq(1, FREQ_SCALE_MHZ); | |
508 | devc->cur_samplerate = SR_MHZ(1); | |
a1bb33af UH |
509 | } |
510 | ||
e46b8fb1 | 511 | return SR_OK; |
a1bb33af UH |
512 | } |
513 | ||
25a0f108 | 514 | static int hw_dev_close(struct sr_dev_inst *sdi) |
a1bb33af | 515 | { |
310e9e9b | 516 | struct dev_context *devc; |
a1bb33af | 517 | |
310e9e9b | 518 | if (!(devc = sdi->priv)) { |
25a0f108 BV |
519 | sr_err("zp: %s: sdi->priv was NULL", __func__); |
520 | return SR_ERR; | |
697785d1 UH |
521 | } |
522 | ||
310e9e9b | 523 | if (!devc->usb->devhdl) |
25a0f108 BV |
524 | return SR_ERR; |
525 | ||
526 | sr_info("zp: closing device %d on %d.%d interface %d", sdi->index, | |
310e9e9b BV |
527 | devc->usb->bus, devc->usb->address, USB_INTERFACE); |
528 | libusb_release_interface(devc->usb->devhdl, USB_INTERFACE); | |
529 | libusb_reset_device(devc->usb->devhdl); | |
530 | libusb_close(devc->usb->devhdl); | |
531 | devc->usb->devhdl = NULL; | |
25a0f108 | 532 | sdi->status = SR_ST_INACTIVE; |
697785d1 UH |
533 | |
534 | return SR_OK; | |
a1bb33af UH |
535 | } |
536 | ||
57ab7d9f | 537 | static int hw_cleanup(void) |
a1bb33af | 538 | { |
310e9e9b BV |
539 | struct drv_context *drvc; |
540 | ||
541 | if (!(drvc = zdi->priv)) | |
542 | return SR_OK; | |
a1bb33af | 543 | |
7da6f9d5 | 544 | clear_instances(); |
a1bb33af | 545 | |
fed16f06 | 546 | if (usb_context) |
a1bb33af UH |
547 | libusb_exit(usb_context); |
548 | usb_context = NULL; | |
57ab7d9f UH |
549 | |
550 | return SR_OK; | |
a1bb33af UH |
551 | } |
552 | ||
626409ab BV |
553 | static int hw_info_get(int info_id, const void **data, |
554 | const struct sr_dev_inst *sdi) | |
a1bb33af | 555 | { |
310e9e9b | 556 | struct dev_context *devc; |
a1bb33af | 557 | |
626409ab | 558 | switch (info_id) { |
444adea2 BV |
559 | case SR_DI_HWCAPS: |
560 | *data = hwcaps; | |
561 | break; | |
5a2326a7 | 562 | case SR_DI_NUM_PROBES: |
626409ab | 563 | if (sdi) { |
310e9e9b BV |
564 | devc = sdi->priv; |
565 | *data = GINT_TO_POINTER(devc->num_channels); | |
626409ab | 566 | sr_spew("zp: %s: Returning number of channels: %d.", |
310e9e9b | 567 | __func__, devc->num_channels); |
626409ab BV |
568 | } else |
569 | return SR_ERR; | |
a1bb33af | 570 | break; |
464d12c7 | 571 | case SR_DI_PROBE_NAMES: |
626409ab | 572 | *data = probe_names; |
6752905e | 573 | sr_spew("zp: %s: Returning probenames.", __func__); |
464d12c7 | 574 | break; |
5a2326a7 | 575 | case SR_DI_SAMPLERATES: |
626409ab | 576 | *data = &samplerates; |
6752905e | 577 | sr_spew("zp: %s: Returning samplerates.", __func__); |
a1bb33af | 578 | break; |
5a2326a7 | 579 | case SR_DI_TRIGGER_TYPES: |
626409ab BV |
580 | *data = TRIGGER_TYPES; |
581 | sr_spew("zp: %s: Returning triggertypes: %s.", __func__, TRIGGER_TYPES); | |
a1bb33af | 582 | break; |
5a2326a7 | 583 | case SR_DI_CUR_SAMPLERATE: |
626409ab | 584 | if (sdi) { |
310e9e9b BV |
585 | devc = sdi->priv; |
586 | *data = &devc->cur_samplerate; | |
626409ab | 587 | sr_spew("zp: %s: Returning samplerate: %" PRIu64 "Hz.", |
310e9e9b | 588 | __func__, devc->cur_samplerate); |
626409ab BV |
589 | } else |
590 | return SR_ERR; | |
bf43ea23 UH |
591 | break; |
592 | default: | |
626409ab | 593 | return SR_ERR_ARG; |
a1bb33af UH |
594 | } |
595 | ||
626409ab | 596 | return SR_OK; |
a1bb33af UH |
597 | } |
598 | ||
0ab0cb94 | 599 | static int set_samplerate(struct dev_context *devc, uint64_t samplerate) |
a1bb33af | 600 | { |
0ab0cb94 | 601 | int i; |
bf43ea23 | 602 | |
0ab0cb94 TY |
603 | for (i = 0; supported_samplerates[i]; i++) |
604 | if (samplerate == supported_samplerates[i]) | |
605 | break; | |
606 | if (!supported_samplerates[i] || samplerate > devc->max_samplerate) { | |
607 | sr_err("zp: %s: unsupported samplerate", __func__); | |
bf43ea23 UH |
608 | return SR_ERR_ARG; |
609 | } | |
610 | ||
73017cf9 UH |
611 | sr_info("zp: Setting samplerate to %" PRIu64 "Hz.", samplerate); |
612 | ||
0ab0cb94 | 613 | if (samplerate >= SR_MHZ(1)) |
59df0c77 | 614 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); |
0ab0cb94 | 615 | else if (samplerate >= SR_KHZ(1)) |
59df0c77 | 616 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); |
a1bb33af | 617 | else |
fed16f06 | 618 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); |
a1bb33af | 619 | |
310e9e9b | 620 | devc->cur_samplerate = samplerate; |
a1bb33af | 621 | |
e46b8fb1 | 622 | return SR_OK; |
a1bb33af UH |
623 | } |
624 | ||
0ab0cb94 TY |
625 | static int set_limit_samples(struct dev_context *devc, uint64_t samples) |
626 | { | |
627 | devc->limit_samples = samples; | |
628 | ||
629 | if (samples <= 2 * 1024) | |
630 | devc->memory_size = MEMORY_SIZE_8K; | |
631 | else if (samples <= 16 * 1024) | |
632 | devc->memory_size = MEMORY_SIZE_64K; | |
633 | else if (samples <= 32 * 1024 || | |
634 | devc->max_memory_size <= 32 * 1024) | |
635 | devc->memory_size = MEMORY_SIZE_128K; | |
636 | else | |
637 | devc->memory_size = MEMORY_SIZE_512K; | |
638 | ||
639 | sr_info("zp: Setting memory size to %dK.", | |
640 | get_memory_size(devc->memory_size) / 1024); | |
641 | ||
642 | analyzer_set_memory_size(devc->memory_size); | |
643 | ||
644 | return SR_OK; | |
645 | } | |
646 | ||
647 | static int set_capture_ratio(struct dev_context *devc, uint64_t ratio) | |
648 | { | |
649 | if (ratio > 100) { | |
650 | sr_err("zp: %s: invalid capture ratio", __func__); | |
651 | return SR_ERR_ARG; | |
652 | } | |
653 | ||
654 | devc->capture_ratio = ratio; | |
655 | ||
656 | sr_info("zp: Setting capture ratio to %d%%.", devc->capture_ratio); | |
657 | ||
658 | return SR_OK; | |
659 | } | |
660 | ||
6f4b1868 | 661 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
0ab0cb94 | 662 | const void *value) |
a1bb33af | 663 | { |
310e9e9b | 664 | struct dev_context *devc; |
a1bb33af | 665 | |
0ab0cb94 TY |
666 | if (!sdi) { |
667 | sr_err("zp: %s: sdi was NULL", __func__); | |
668 | return SR_ERR_ARG; | |
669 | } | |
670 | ||
310e9e9b | 671 | if (!(devc = sdi->priv)) { |
bf43ea23 UH |
672 | sr_err("zp: %s: sdi->priv was NULL", __func__); |
673 | return SR_ERR_ARG; | |
674 | } | |
a1bb33af | 675 | |
ffedd0bf | 676 | switch (hwcap) { |
5a2326a7 | 677 | case SR_HWCAP_SAMPLERATE: |
0ab0cb94 | 678 | return set_samplerate(devc, *(const uint64_t *)value); |
5a2326a7 | 679 | case SR_HWCAP_LIMIT_SAMPLES: |
0ab0cb94 TY |
680 | return set_limit_samples(devc, *(const uint64_t *)value); |
681 | case SR_HWCAP_CAPTURE_RATIO: | |
682 | return set_capture_ratio(devc, *(const uint64_t *)value); | |
fed16f06 | 683 | default: |
e46b8fb1 | 684 | return SR_ERR; |
a1bb33af UH |
685 | } |
686 | } | |
687 | ||
0ab0cb94 TY |
688 | static void set_triggerbar(struct dev_context *devc) |
689 | { | |
690 | unsigned int ramsize; | |
691 | unsigned int n; | |
692 | unsigned int triggerbar; | |
693 | ||
694 | ramsize = get_memory_size(devc->memory_size) / 4; | |
695 | if (devc->trigger) { | |
696 | n = ramsize; | |
697 | if (devc->max_memory_size < n) | |
698 | n = devc->max_memory_size; | |
699 | if (devc->limit_samples < n) | |
700 | n = devc->limit_samples; | |
701 | n = n * devc->capture_ratio / 100; | |
702 | if (n > ramsize - 8) | |
703 | triggerbar = ramsize - 8; | |
704 | else | |
705 | triggerbar = n; | |
706 | } else { | |
707 | triggerbar = 0; | |
708 | } | |
709 | analyzer_set_triggerbar_address(triggerbar); | |
710 | analyzer_set_ramsize_trigger_address(ramsize - triggerbar); | |
711 | ||
712 | sr_dbg("zp: triggerbar_address = %d(0x%x)", triggerbar, triggerbar); | |
713 | sr_dbg("zp: ramsize_triggerbar_address = %d(0x%x)", | |
714 | ramsize - triggerbar, ramsize - triggerbar); | |
715 | } | |
716 | ||
3ffb6964 BV |
717 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
718 | void *cb_data) | |
a1bb33af | 719 | { |
b9c735a2 | 720 | struct sr_datafeed_packet packet; |
9c939c51 | 721 | struct sr_datafeed_logic logic; |
b9c735a2 | 722 | struct sr_datafeed_header header; |
f366e86c | 723 | struct sr_datafeed_meta_logic meta; |
0ab0cb94 | 724 | //uint64_t samples_read; |
a1bb33af | 725 | int res; |
afc8e4de | 726 | unsigned int packet_num; |
0ab0cb94 | 727 | unsigned int n; |
a1bb33af | 728 | unsigned char *buf; |
310e9e9b | 729 | struct dev_context *devc; |
a1bb33af | 730 | |
310e9e9b | 731 | if (!(devc = sdi->priv)) { |
bf43ea23 UH |
732 | sr_err("zp: %s: sdi->priv was NULL", __func__); |
733 | return SR_ERR_ARG; | |
734 | } | |
a1bb33af | 735 | |
014359e3 BV |
736 | if (configure_probes(sdi) != SR_OK) { |
737 | sr_err("zp: failed to configured probes"); | |
738 | return SR_ERR; | |
739 | } | |
740 | ||
0ab0cb94 TY |
741 | set_triggerbar(devc); |
742 | ||
a143e4e5 | 743 | /* push configured settings to device */ |
310e9e9b | 744 | analyzer_configure(devc->usb->devhdl); |
a143e4e5 | 745 | |
310e9e9b | 746 | analyzer_start(devc->usb->devhdl); |
7b48d6e1 | 747 | sr_info("zp: Waiting for data"); |
310e9e9b | 748 | analyzer_wait_data(devc->usb->devhdl); |
a1bb33af | 749 | |
7b48d6e1 | 750 | sr_info("zp: Stop address = 0x%x", |
310e9e9b | 751 | analyzer_get_stop_address(devc->usb->devhdl)); |
7b48d6e1 | 752 | sr_info("zp: Now address = 0x%x", |
310e9e9b | 753 | analyzer_get_now_address(devc->usb->devhdl)); |
7b48d6e1 | 754 | sr_info("zp: Trigger address = 0x%x", |
310e9e9b | 755 | analyzer_get_trigger_address(devc->usb->devhdl)); |
a1bb33af | 756 | |
5a2326a7 | 757 | packet.type = SR_DF_HEADER; |
9c939c51 | 758 | packet.payload = &header; |
a1bb33af UH |
759 | header.feed_version = 1; |
760 | gettimeofday(&header.starttime, NULL); | |
f366e86c BV |
761 | sr_session_send(cb_data, &packet); |
762 | ||
763 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
764 | packet.type = SR_DF_META_LOGIC; | |
765 | packet.payload = &meta; | |
310e9e9b BV |
766 | meta.samplerate = devc->cur_samplerate; |
767 | meta.num_probes = devc->num_channels; | |
3cd3a20b | 768 | sr_session_send(cb_data, &packet); |
a1bb33af | 769 | |
b53738ba | 770 | if (!(buf = g_try_malloc(PACKET_SIZE))) { |
bf43ea23 | 771 | sr_err("zp: %s: buf malloc failed", __func__); |
b53738ba UH |
772 | return SR_ERR_MALLOC; |
773 | } | |
774 | ||
0ab0cb94 | 775 | //samples_read = 0; |
310e9e9b | 776 | analyzer_read_start(devc->usb->devhdl); |
fed16f06 | 777 | /* Send the incoming transfer to the session bus. */ |
0ab0cb94 TY |
778 | n = get_memory_size(devc->memory_size); |
779 | if (devc->max_memory_size * 4 < n) | |
780 | n = devc->max_memory_size * 4; | |
781 | for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) { | |
310e9e9b | 782 | res = analyzer_read_data(devc->usb->devhdl, buf, PACKET_SIZE); |
0ab0cb94 | 783 | sr_info("zp: Tried to read %d bytes, actually read %d bytes", |
b08024a8 | 784 | PACKET_SIZE, res); |
a1bb33af | 785 | |
5a2326a7 | 786 | packet.type = SR_DF_LOGIC; |
9c939c51 BV |
787 | packet.payload = &logic; |
788 | logic.length = PACKET_SIZE; | |
789 | logic.unitsize = 4; | |
790 | logic.data = buf; | |
3cd3a20b | 791 | sr_session_send(cb_data, &packet); |
0ab0cb94 | 792 | //samples_read += res / 4; |
a1bb33af | 793 | } |
310e9e9b | 794 | analyzer_read_stop(devc->usb->devhdl); |
a1bb33af UH |
795 | g_free(buf); |
796 | ||
5a2326a7 | 797 | packet.type = SR_DF_END; |
3cd3a20b | 798 | sr_session_send(cb_data, &packet); |
a1bb33af | 799 | |
e46b8fb1 | 800 | return SR_OK; |
a1bb33af UH |
801 | } |
802 | ||
3cd3a20b | 803 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
69b07d14 | 804 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
a1bb33af | 805 | { |
b9c735a2 | 806 | struct sr_datafeed_packet packet; |
310e9e9b | 807 | struct dev_context *devc; |
a1bb33af | 808 | |
5a2326a7 | 809 | packet.type = SR_DF_END; |
3cd3a20b | 810 | sr_session_send(cb_data, &packet); |
a1bb33af | 811 | |
310e9e9b | 812 | if (!(devc = sdi->priv)) { |
69890f73 | 813 | sr_err("zp: %s: sdi->priv was NULL", __func__); |
3010f21c | 814 | return SR_ERR_BUG; |
69890f73 | 815 | } |
a1bb33af | 816 | |
310e9e9b | 817 | analyzer_reset(devc->usb->devhdl); |
fed16f06 | 818 | /* TODO: Need to cancel and free any queued up transfers. */ |
3010f21c UH |
819 | |
820 | return SR_OK; | |
a1bb33af UH |
821 | } |
822 | ||
c09f0b57 | 823 | SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = { |
e519ba86 | 824 | .name = "zeroplus-logic-cube", |
8fdecced | 825 | .longname = "ZEROPLUS Logic Cube LAP-C series", |
e519ba86 UH |
826 | .api_version = 1, |
827 | .init = hw_init, | |
828 | .cleanup = hw_cleanup, | |
61136ea6 | 829 | .scan = hw_scan, |
811deee4 BV |
830 | .dev_list = hw_dev_list, |
831 | .dev_clear = hw_cleanup, | |
e7eb703f UH |
832 | .dev_open = hw_dev_open, |
833 | .dev_close = hw_dev_close, | |
626409ab | 834 | .info_get = hw_info_get, |
a9a245b4 | 835 | .dev_config_set = hw_dev_config_set, |
69040b7c UH |
836 | .dev_acquisition_start = hw_dev_acquisition_start, |
837 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
310e9e9b | 838 | .priv = NULL, |
a1bb33af | 839 | }; |