]> sigrok.org Git - libsigrok.git/blame - hardware/zeroplus-logic-cube/zeroplus.c
Get rid of obsolete SR_DI_NUM_PROBES and SR_DI_PROBE_NAMES.
[libsigrok.git] / hardware / zeroplus-logic-cube / zeroplus.c
CommitLineData
a1bb33af
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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
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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
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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
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45//#define ZP_EXPERIMENTAL
46
a1bb33af 47typedef 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 60static 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 73static 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 87static const char *probe_names[NUM_PROBES + 1] = {
78693401
UH
88 "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
89 "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
464d12c7
KS
90 NULL,
91};
92
e7eb703f 93/* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */
32756547 94SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info;
a873c594 95static struct sr_dev_driver *di = &zeroplus_logic_cube_driver_info;
a1bb33af 96
fed16f06
UH
97/*
98 * The hardware supports more samplerates than these, but these are the
99 * options hardcoded into the vendor's Windows GUI.
100 */
a1bb33af 101
fed16f06
UH
102/*
103 * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up
104 * that high.
105 */
a533743d 106static const uint64_t supported_samplerates[] = {
c9140419
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107 SR_HZ(100),
108 SR_HZ(500),
59df0c77
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109 SR_KHZ(1),
110 SR_KHZ(5),
111 SR_KHZ(25),
112 SR_KHZ(50),
113 SR_KHZ(100),
114 SR_KHZ(200),
115 SR_KHZ(400),
116 SR_KHZ(800),
117 SR_MHZ(1),
118 SR_MHZ(10),
119 SR_MHZ(25),
120 SR_MHZ(50),
121 SR_MHZ(80),
122 SR_MHZ(100),
123 SR_MHZ(150),
124 SR_MHZ(200),
fed16f06 125 0,
a1bb33af
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126};
127
a533743d 128static const struct sr_samplerates samplerates = {
590b9f9a
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129 0,
130 0,
131 0,
fed16f06 132 supported_samplerates,
a1bb33af
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133};
134
ea9cfed7 135/* Private, per-device-instance driver context. */
310e9e9b 136struct dev_context {
bf43ea23 137 uint64_t cur_samplerate;
0ab0cb94 138 uint64_t max_samplerate;
bf43ea23
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139 uint64_t limit_samples;
140 int num_channels; /* TODO: This isn't initialized before it's needed :( */
0ab0cb94
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141 int memory_size;
142 unsigned int max_memory_size;
143 //uint8_t probe_mask;
144 //uint8_t trigger_mask[NUM_TRIGGER_STAGES];
145 //uint8_t trigger_value[NUM_TRIGGER_STAGES];
bf43ea23 146 // uint8_t trigger_buffer[NUM_TRIGGER_STAGES];
0ab0cb94
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147 int trigger;
148 unsigned int capture_ratio;
69890f73 149
7da6f9d5 150 /* TODO: this belongs in the device instance */
d68e2d1a 151 struct sr_usb_dev_inst *usb;
bf43ea23 152};
a1bb33af 153
25a0f108 154static int hw_dev_close(struct sr_dev_inst *sdi);
a1bb33af
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155
156static unsigned int get_memory_size(int type)
157{
fed16f06
UH
158 if (type == MEMORY_SIZE_8K)
159 return 8 * 1024;
160 else if (type == MEMORY_SIZE_64K)
161 return 64 * 1024;
162 else if (type == MEMORY_SIZE_128K)
163 return 128 * 1024;
164 else if (type == MEMORY_SIZE_512K)
165 return 512 * 1024;
166 else
167 return 0;
a1bb33af
UH
168}
169
0ab0cb94 170#if 0
014359e3 171static int configure_probes(const struct sr_dev_inst *sdi)
a1bb33af 172{
310e9e9b 173 struct dev_context *devc;
1b79df2f
JH
174 const struct sr_probe *probe;
175 const GSList *l;
a1bb33af
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176 int probe_bit, stage, i;
177 char *tc;
178
bf43ea23 179 /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */
310e9e9b 180 devc = sdi->priv;
bf43ea23 181
310e9e9b 182 devc->probe_mask = 0;
fed16f06 183 for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
310e9e9b
BV
184 devc->trigger_mask[i] = 0;
185 devc->trigger_value[i] = 0;
a1bb33af
UH
186 }
187
188 stage = -1;
014359e3 189 for (l = sdi->probes; l; l = l->next) {
1afe8989 190 probe = (struct sr_probe *)l->data;
fed16f06 191 if (probe->enabled == FALSE)
a1bb33af 192 continue;
b35c8293 193 probe_bit = 1 << (probe->index);
310e9e9b 194 devc->probe_mask |= probe_bit;
fed16f06
UH
195
196 if (probe->trigger) {
a1bb33af 197 stage = 0;
fed16f06 198 for (tc = probe->trigger; *tc; tc++) {
310e9e9b 199 devc->trigger_mask[stage] |= probe_bit;
fed16f06 200 if (*tc == '1')
310e9e9b 201 devc->trigger_value[stage] |= probe_bit;
a1bb33af 202 stage++;
fed16f06 203 if (stage > NUM_TRIGGER_STAGES)
e46b8fb1 204 return SR_ERR;
a1bb33af
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205 }
206 }
207 }
208
e46b8fb1 209 return SR_OK;
a1bb33af 210}
0ab0cb94
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211#endif
212
213static int configure_probes(const struct sr_dev_inst *sdi)
214{
215 struct dev_context *devc;
216 const GSList *l;
217 const struct sr_probe *probe;
218 char *tc;
219 int type;
220
221 /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */
222 devc = sdi->priv;
223
224 for (l = sdi->probes; l; l = l->next) {
225 probe = (struct sr_probe *)l->data;
226 if (probe->enabled == FALSE)
227 continue;
228
229 if ((tc = probe->trigger)) {
230 switch (*tc) {
231 case '1':
232 type = TRIGGER_HIGH;
233 break;
234 case '0':
235 type = TRIGGER_LOW;
236 break;
237#if 0
238 case 'r':
239 type = TRIGGER_POSEDGE;
240 break;
241 case 'f':
242 type = TRIGGER_NEGEDGE;
243 break;
244 case 'c':
245 type = TRIGGER_ANYEDGE;
246 break;
247#endif
248 default:
249 return SR_ERR;
250 }
251 analyzer_add_trigger(probe->index, type);
252 devc->trigger = 1;
253 }
254 }
255
256 return SR_OK;
257}
a1bb33af 258
811deee4 259static int clear_instances(void)
7da6f9d5
BV
260{
261 GSList *l;
262 struct sr_dev_inst *sdi;
310e9e9b 263 struct drv_context *drvc;
fabe59b3 264 struct dev_context *devc;
7da6f9d5 265
a873c594 266 drvc = di->priv;
310e9e9b 267 for (l = drvc->instances; l; l = l->next) {
7da6f9d5 268 sdi = l->data;
fabe59b3
BV
269 if (!(devc = sdi->priv)) {
270 /* Log error, but continue cleaning up the rest. */
271 sr_err("zeroplus: %s: sdi->priv was NULL, continuing", __func__);
272 continue;
273 }
274 sr_usb_dev_inst_free(devc->usb);
7da6f9d5 275 /* Properly close all devices... */
25a0f108 276 hw_dev_close(sdi);
7da6f9d5
BV
277 /* ...and free all their memory. */
278 sr_dev_inst_free(sdi);
279 }
310e9e9b
BV
280 g_slist_free(drvc->instances);
281 drvc->instances = NULL;
7da6f9d5 282
811deee4 283 return SR_OK;
7da6f9d5
BV
284}
285
a1bb33af
UH
286/*
287 * API callbacks
288 */
289
34f06b90 290static int hw_init(struct sr_context *sr_ctx)
61136ea6 291{
310e9e9b
BV
292 struct drv_context *drvc;
293
294 if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
295 sr_err("zeroplus: driver context malloc failed.");
886a52b6 296 return SR_ERR_MALLOC;
310e9e9b 297 }
1ebe4b4e 298 drvc->sr_ctx = sr_ctx;
a873c594 299 di->priv = drvc;
61136ea6 300
61136ea6
BV
301 return SR_OK;
302}
303
4ca38984 304static GSList *hw_scan(GSList *options)
a1bb33af 305{
d68e2d1a 306 struct sr_dev_inst *sdi;
428edbe1 307 struct sr_probe *probe;
310e9e9b
BV
308 struct drv_context *drvc;
309 struct dev_context *devc;
428edbe1 310 model_t *prof;
a1bb33af
UH
311 struct libusb_device_descriptor des;
312 libusb_device **devlist;
428edbe1
BV
313 GSList *devices;
314 int ret, devcnt, i, j;
a1bb33af 315
4ca38984 316 (void)options;
64d33dc2 317
a873c594 318 drvc = di->priv;
4ca38984
BV
319 devices = NULL;
320
7da6f9d5
BV
321 clear_instances();
322
8fdecced 323 /* Find all ZEROPLUS analyzers and add them to device list. */
a1bb33af 324 devcnt = 0;
d4abb463 325 libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
fed16f06
UH
326
327 for (i = 0; devlist[i]; i++) {
ebc34738
UH
328 ret = libusb_get_device_descriptor(devlist[i], &des);
329 if (ret != 0) {
d4928d71
PS
330 sr_err("zp: failed to get device descriptor: %s",
331 libusb_error_name(ret));
a1bb33af
UH
332 continue;
333 }
334
428edbe1
BV
335 prof = NULL;
336 for (j = 0; j < zeroplus_models[j].vid; j++) {
337 if (des.idVendor == zeroplus_models[j].vid &&
338 des.idProduct == zeroplus_models[j].pid) {
339 prof = &zeroplus_models[j];
bf43ea23 340 }
a1bb33af 341 }
428edbe1
BV
342 /* Skip if the device was not found */
343 if (!prof)
344 continue;
345 sr_info("zp: Found ZEROPLUS model %s", prof->model_name);
346
347 /* Register the device with libsigrok. */
348 if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE,
349 VENDOR_NAME, prof->model_name, NULL))) {
350 sr_err("zp: %s: sr_dev_inst_new failed", __func__);
351 return NULL;
352 }
a873c594 353 sdi->driver = di;
428edbe1
BV
354
355 /* Allocate memory for our private driver context. */
310e9e9b
BV
356 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
357 sr_err("zp: %s: devc malloc failed", __func__);
886a52b6 358 return NULL;
428edbe1 359 }
310e9e9b
BV
360 sdi->priv = devc;
361 devc->num_channels = prof->channels;
0ab0cb94
TY
362#ifdef ZP_EXPERIMENTAL
363 devc->max_memory_size = 128 * 1024;
364 devc->max_samplerate = 200;
365#else
366 devc->max_memory_size = prof->sample_depth * 1024;
367 devc->max_samplerate = prof->max_sampling_freq;
368#endif
369 devc->max_samplerate *= SR_MHZ(1);
370 devc->memory_size = MEMORY_SIZE_8K;
310e9e9b 371 // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES);
428edbe1
BV
372
373 /* Fill in probelist according to this device's profile. */
310e9e9b 374 for (j = 0; j < devc->num_channels; j++) {
428edbe1
BV
375 if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE,
376 probe_names[j])))
377 return NULL;
378 sdi->probes = g_slist_append(sdi->probes, probe);
379 }
380
381 devices = g_slist_append(devices, sdi);
310e9e9b
BV
382 drvc->instances = g_slist_append(drvc->instances, sdi);
383 devc->usb = sr_usb_dev_inst_new(
428edbe1
BV
384 libusb_get_bus_number(devlist[i]),
385 libusb_get_device_address(devlist[i]), NULL);
386 devcnt++;
387
a1bb33af
UH
388 }
389 libusb_free_device_list(devlist, 1);
390
4ca38984 391 return devices;
a1bb33af
UH
392}
393
811deee4
BV
394static GSList *hw_dev_list(void)
395{
396 struct drv_context *drvc;
397
a873c594 398 drvc = di->priv;
811deee4
BV
399
400 return drvc->instances;
401}
402
25a0f108 403static int hw_dev_open(struct sr_dev_inst *sdi)
a1bb33af 404{
310e9e9b 405 struct dev_context *devc;
a873c594 406 struct drv_context *drvc = di->priv;
428edbe1
BV
407 libusb_device **devlist, *dev;
408 struct libusb_device_descriptor des;
409 int device_count, ret, i;
a1bb33af 410
310e9e9b 411 if (!(devc = sdi->priv)) {
bf43ea23
UH
412 sr_err("zp: %s: sdi->priv was NULL", __func__);
413 return SR_ERR_ARG;
414 }
415
d4abb463
PS
416 device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx,
417 &devlist);
428edbe1
BV
418 if (device_count < 0) {
419 sr_err("zp: Failed to retrieve device list");
420 return SR_ERR;
421 }
422
423 dev = NULL;
424 for (i = 0; i < device_count; i++) {
425 if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
d4928d71
PS
426 sr_err("zp: Failed to get device descriptor: %s.",
427 libusb_error_name(ret));
428edbe1
BV
428 continue;
429 }
310e9e9b
BV
430 if (libusb_get_bus_number(devlist[i]) == devc->usb->bus
431 && libusb_get_device_address(devlist[i]) == devc->usb->address) {
428edbe1
BV
432 dev = devlist[i];
433 break;
434 }
435 }
436 if (!dev) {
437 sr_err("device on bus %d address %d disappeared!",
310e9e9b 438 devc->usb->bus, devc->usb->address);
428edbe1
BV
439 return SR_ERR;
440 }
441
310e9e9b 442 if (!(ret = libusb_open(dev, &(devc->usb->devhdl)))) {
428edbe1
BV
443 sdi->status = SR_ST_ACTIVE;
444 sr_info("zp: opened device %d on %d.%d interface %d",
310e9e9b
BV
445 sdi->index, devc->usb->bus,
446 devc->usb->address, USB_INTERFACE);
428edbe1 447 } else {
d4928d71 448 sr_err("zp: failed to open device: %s", libusb_error_name(ret));
428edbe1
BV
449 return SR_ERR;
450 }
451
310e9e9b 452 ret = libusb_set_configuration(devc->usb->devhdl, USB_CONFIGURATION);
ebc34738 453 if (ret < 0) {
d4928d71
PS
454 sr_err("zp: Unable to set USB configuration %d: %s",
455 USB_CONFIGURATION, libusb_error_name(ret));
185ae2c5
UH
456 return SR_ERR;
457 }
458
310e9e9b 459 ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE);
ebc34738 460 if (ret != 0) {
d4928d71
PS
461 sr_err("zp: Unable to claim interface: %s",
462 libusb_error_name(ret));
e46b8fb1 463 return SR_ERR;
a1bb33af 464 }
185ae2c5 465
0ab0cb94
TY
466 /* Set default configuration after power on */
467 if (analyzer_read_status(devc->usb->devhdl) == 0)
468 analyzer_configure(devc->usb->devhdl);
469
310e9e9b
BV
470 analyzer_reset(devc->usb->devhdl);
471 analyzer_initialize(devc->usb->devhdl);
a1bb33af 472
0ab0cb94 473 //analyzer_set_memory_size(MEMORY_SIZE_512K);
fed16f06 474 // analyzer_set_freq(g_freq, g_freq_scale);
a1bb33af 475 analyzer_set_trigger_count(1);
408e7199
UH
476 // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
477 // * get_memory_size(g_memory_size)) / 100) >> 2);
a1bb33af 478
fed16f06
UH
479#if 0
480 if (g_double_mode == 1)
a1bb33af
UH
481 analyzer_set_compression(COMPRESSION_DOUBLE);
482 else if (g_compression == 1)
483 analyzer_set_compression(COMPRESSION_ENABLE);
fed16f06
UH
484 else
485#endif
486 analyzer_set_compression(COMPRESSION_NONE);
a1bb33af 487
310e9e9b 488 if (devc->cur_samplerate == 0) {
0ab0cb94
TY
489 /* Samplerate hasn't been set. Default to 1MHz. */
490 analyzer_set_freq(1, FREQ_SCALE_MHZ);
491 devc->cur_samplerate = SR_MHZ(1);
a1bb33af
UH
492 }
493
e46b8fb1 494 return SR_OK;
a1bb33af
UH
495}
496
25a0f108 497static int hw_dev_close(struct sr_dev_inst *sdi)
a1bb33af 498{
310e9e9b 499 struct dev_context *devc;
a1bb33af 500
310e9e9b 501 if (!(devc = sdi->priv)) {
25a0f108
BV
502 sr_err("zp: %s: sdi->priv was NULL", __func__);
503 return SR_ERR;
697785d1
UH
504 }
505
310e9e9b 506 if (!devc->usb->devhdl)
25a0f108
BV
507 return SR_ERR;
508
509 sr_info("zp: closing device %d on %d.%d interface %d", sdi->index,
310e9e9b
BV
510 devc->usb->bus, devc->usb->address, USB_INTERFACE);
511 libusb_release_interface(devc->usb->devhdl, USB_INTERFACE);
512 libusb_reset_device(devc->usb->devhdl);
513 libusb_close(devc->usb->devhdl);
514 devc->usb->devhdl = NULL;
25a0f108 515 sdi->status = SR_ST_INACTIVE;
697785d1
UH
516
517 return SR_OK;
a1bb33af
UH
518}
519
57ab7d9f 520static int hw_cleanup(void)
a1bb33af 521{
310e9e9b
BV
522 struct drv_context *drvc;
523
a873c594 524 if (!(drvc = di->priv))
310e9e9b 525 return SR_OK;
a1bb33af 526
7da6f9d5 527 clear_instances();
a1bb33af 528
57ab7d9f 529 return SR_OK;
a1bb33af
UH
530}
531
626409ab
BV
532static int hw_info_get(int info_id, const void **data,
533 const struct sr_dev_inst *sdi)
a1bb33af 534{
310e9e9b 535 struct dev_context *devc;
a1bb33af 536
626409ab 537 switch (info_id) {
444adea2
BV
538 case SR_DI_HWCAPS:
539 *data = hwcaps;
540 break;
5a2326a7 541 case SR_DI_SAMPLERATES:
626409ab 542 *data = &samplerates;
6752905e 543 sr_spew("zp: %s: Returning samplerates.", __func__);
a1bb33af 544 break;
5a2326a7 545 case SR_DI_TRIGGER_TYPES:
626409ab
BV
546 *data = TRIGGER_TYPES;
547 sr_spew("zp: %s: Returning triggertypes: %s.", __func__, TRIGGER_TYPES);
a1bb33af 548 break;
5a2326a7 549 case SR_DI_CUR_SAMPLERATE:
626409ab 550 if (sdi) {
310e9e9b
BV
551 devc = sdi->priv;
552 *data = &devc->cur_samplerate;
626409ab 553 sr_spew("zp: %s: Returning samplerate: %" PRIu64 "Hz.",
310e9e9b 554 __func__, devc->cur_samplerate);
626409ab
BV
555 } else
556 return SR_ERR;
bf43ea23
UH
557 break;
558 default:
626409ab 559 return SR_ERR_ARG;
a1bb33af
UH
560 }
561
626409ab 562 return SR_OK;
a1bb33af
UH
563}
564
0ab0cb94 565static int set_samplerate(struct dev_context *devc, uint64_t samplerate)
a1bb33af 566{
0ab0cb94 567 int i;
bf43ea23 568
0ab0cb94
TY
569 for (i = 0; supported_samplerates[i]; i++)
570 if (samplerate == supported_samplerates[i])
571 break;
572 if (!supported_samplerates[i] || samplerate > devc->max_samplerate) {
573 sr_err("zp: %s: unsupported samplerate", __func__);
bf43ea23
UH
574 return SR_ERR_ARG;
575 }
576
73017cf9
UH
577 sr_info("zp: Setting samplerate to %" PRIu64 "Hz.", samplerate);
578
0ab0cb94 579 if (samplerate >= SR_MHZ(1))
59df0c77 580 analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ);
0ab0cb94 581 else if (samplerate >= SR_KHZ(1))
59df0c77 582 analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ);
a1bb33af 583 else
fed16f06 584 analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
a1bb33af 585
310e9e9b 586 devc->cur_samplerate = samplerate;
a1bb33af 587
e46b8fb1 588 return SR_OK;
a1bb33af
UH
589}
590
0ab0cb94
TY
591static int set_limit_samples(struct dev_context *devc, uint64_t samples)
592{
593 devc->limit_samples = samples;
594
595 if (samples <= 2 * 1024)
596 devc->memory_size = MEMORY_SIZE_8K;
597 else if (samples <= 16 * 1024)
598 devc->memory_size = MEMORY_SIZE_64K;
599 else if (samples <= 32 * 1024 ||
600 devc->max_memory_size <= 32 * 1024)
601 devc->memory_size = MEMORY_SIZE_128K;
602 else
603 devc->memory_size = MEMORY_SIZE_512K;
604
605 sr_info("zp: Setting memory size to %dK.",
606 get_memory_size(devc->memory_size) / 1024);
607
608 analyzer_set_memory_size(devc->memory_size);
609
610 return SR_OK;
611}
612
613static int set_capture_ratio(struct dev_context *devc, uint64_t ratio)
614{
615 if (ratio > 100) {
616 sr_err("zp: %s: invalid capture ratio", __func__);
617 return SR_ERR_ARG;
618 }
619
620 devc->capture_ratio = ratio;
621
622 sr_info("zp: Setting capture ratio to %d%%.", devc->capture_ratio);
623
624 return SR_OK;
625}
626
6f4b1868 627static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
0ab0cb94 628 const void *value)
a1bb33af 629{
310e9e9b 630 struct dev_context *devc;
a1bb33af 631
0ab0cb94
TY
632 if (!sdi) {
633 sr_err("zp: %s: sdi was NULL", __func__);
634 return SR_ERR_ARG;
635 }
636
310e9e9b 637 if (!(devc = sdi->priv)) {
bf43ea23
UH
638 sr_err("zp: %s: sdi->priv was NULL", __func__);
639 return SR_ERR_ARG;
640 }
a1bb33af 641
ffedd0bf 642 switch (hwcap) {
5a2326a7 643 case SR_HWCAP_SAMPLERATE:
0ab0cb94 644 return set_samplerate(devc, *(const uint64_t *)value);
5a2326a7 645 case SR_HWCAP_LIMIT_SAMPLES:
0ab0cb94
TY
646 return set_limit_samples(devc, *(const uint64_t *)value);
647 case SR_HWCAP_CAPTURE_RATIO:
648 return set_capture_ratio(devc, *(const uint64_t *)value);
fed16f06 649 default:
e46b8fb1 650 return SR_ERR;
a1bb33af
UH
651 }
652}
653
0ab0cb94
TY
654static void set_triggerbar(struct dev_context *devc)
655{
656 unsigned int ramsize;
657 unsigned int n;
658 unsigned int triggerbar;
659
660 ramsize = get_memory_size(devc->memory_size) / 4;
661 if (devc->trigger) {
662 n = ramsize;
663 if (devc->max_memory_size < n)
664 n = devc->max_memory_size;
665 if (devc->limit_samples < n)
666 n = devc->limit_samples;
667 n = n * devc->capture_ratio / 100;
668 if (n > ramsize - 8)
669 triggerbar = ramsize - 8;
670 else
671 triggerbar = n;
672 } else {
673 triggerbar = 0;
674 }
675 analyzer_set_triggerbar_address(triggerbar);
676 analyzer_set_ramsize_trigger_address(ramsize - triggerbar);
677
678 sr_dbg("zp: triggerbar_address = %d(0x%x)", triggerbar, triggerbar);
679 sr_dbg("zp: ramsize_triggerbar_address = %d(0x%x)",
680 ramsize - triggerbar, ramsize - triggerbar);
681}
682
3ffb6964
BV
683static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
684 void *cb_data)
a1bb33af 685{
b9c735a2 686 struct sr_datafeed_packet packet;
9c939c51 687 struct sr_datafeed_logic logic;
b9c735a2 688 struct sr_datafeed_header header;
f366e86c 689 struct sr_datafeed_meta_logic meta;
0ab0cb94 690 //uint64_t samples_read;
a1bb33af 691 int res;
afc8e4de 692 unsigned int packet_num;
0ab0cb94 693 unsigned int n;
a1bb33af 694 unsigned char *buf;
310e9e9b 695 struct dev_context *devc;
a1bb33af 696
310e9e9b 697 if (!(devc = sdi->priv)) {
bf43ea23
UH
698 sr_err("zp: %s: sdi->priv was NULL", __func__);
699 return SR_ERR_ARG;
700 }
a1bb33af 701
014359e3
BV
702 if (configure_probes(sdi) != SR_OK) {
703 sr_err("zp: failed to configured probes");
704 return SR_ERR;
705 }
706
0ab0cb94
TY
707 set_triggerbar(devc);
708
a143e4e5 709 /* push configured settings to device */
310e9e9b 710 analyzer_configure(devc->usb->devhdl);
a143e4e5 711
310e9e9b 712 analyzer_start(devc->usb->devhdl);
7b48d6e1 713 sr_info("zp: Waiting for data");
310e9e9b 714 analyzer_wait_data(devc->usb->devhdl);
a1bb33af 715
7b48d6e1 716 sr_info("zp: Stop address = 0x%x",
310e9e9b 717 analyzer_get_stop_address(devc->usb->devhdl));
7b48d6e1 718 sr_info("zp: Now address = 0x%x",
310e9e9b 719 analyzer_get_now_address(devc->usb->devhdl));
7b48d6e1 720 sr_info("zp: Trigger address = 0x%x",
310e9e9b 721 analyzer_get_trigger_address(devc->usb->devhdl));
a1bb33af 722
5a2326a7 723 packet.type = SR_DF_HEADER;
9c939c51 724 packet.payload = &header;
a1bb33af
UH
725 header.feed_version = 1;
726 gettimeofday(&header.starttime, NULL);
f366e86c
BV
727 sr_session_send(cb_data, &packet);
728
729 /* Send metadata about the SR_DF_LOGIC packets to come. */
730 packet.type = SR_DF_META_LOGIC;
731 packet.payload = &meta;
310e9e9b
BV
732 meta.samplerate = devc->cur_samplerate;
733 meta.num_probes = devc->num_channels;
3cd3a20b 734 sr_session_send(cb_data, &packet);
a1bb33af 735
b53738ba 736 if (!(buf = g_try_malloc(PACKET_SIZE))) {
bf43ea23 737 sr_err("zp: %s: buf malloc failed", __func__);
b53738ba
UH
738 return SR_ERR_MALLOC;
739 }
740
0ab0cb94 741 //samples_read = 0;
310e9e9b 742 analyzer_read_start(devc->usb->devhdl);
fed16f06 743 /* Send the incoming transfer to the session bus. */
0ab0cb94
TY
744 n = get_memory_size(devc->memory_size);
745 if (devc->max_memory_size * 4 < n)
746 n = devc->max_memory_size * 4;
747 for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
310e9e9b 748 res = analyzer_read_data(devc->usb->devhdl, buf, PACKET_SIZE);
0ab0cb94 749 sr_info("zp: Tried to read %d bytes, actually read %d bytes",
b08024a8 750 PACKET_SIZE, res);
a1bb33af 751
5a2326a7 752 packet.type = SR_DF_LOGIC;
9c939c51
BV
753 packet.payload = &logic;
754 logic.length = PACKET_SIZE;
755 logic.unitsize = 4;
756 logic.data = buf;
3cd3a20b 757 sr_session_send(cb_data, &packet);
0ab0cb94 758 //samples_read += res / 4;
a1bb33af 759 }
310e9e9b 760 analyzer_read_stop(devc->usb->devhdl);
a1bb33af
UH
761 g_free(buf);
762
5a2326a7 763 packet.type = SR_DF_END;
3cd3a20b 764 sr_session_send(cb_data, &packet);
a1bb33af 765
e46b8fb1 766 return SR_OK;
a1bb33af
UH
767}
768
3cd3a20b 769/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
69b07d14 770static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
a1bb33af 771{
b9c735a2 772 struct sr_datafeed_packet packet;
310e9e9b 773 struct dev_context *devc;
a1bb33af 774
5a2326a7 775 packet.type = SR_DF_END;
3cd3a20b 776 sr_session_send(cb_data, &packet);
a1bb33af 777
310e9e9b 778 if (!(devc = sdi->priv)) {
69890f73 779 sr_err("zp: %s: sdi->priv was NULL", __func__);
3010f21c 780 return SR_ERR_BUG;
69890f73 781 }
a1bb33af 782
310e9e9b 783 analyzer_reset(devc->usb->devhdl);
fed16f06 784 /* TODO: Need to cancel and free any queued up transfers. */
3010f21c
UH
785
786 return SR_OK;
a1bb33af
UH
787}
788
c09f0b57 789SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = {
e519ba86 790 .name = "zeroplus-logic-cube",
8fdecced 791 .longname = "ZEROPLUS Logic Cube LAP-C series",
e519ba86
UH
792 .api_version = 1,
793 .init = hw_init,
794 .cleanup = hw_cleanup,
61136ea6 795 .scan = hw_scan,
811deee4
BV
796 .dev_list = hw_dev_list,
797 .dev_clear = hw_cleanup,
e7eb703f
UH
798 .dev_open = hw_dev_open,
799 .dev_close = hw_dev_close,
626409ab 800 .info_get = hw_info_get,
a9a245b4 801 .dev_config_set = hw_dev_config_set,
69040b7c
UH
802 .dev_acquisition_start = hw_dev_acquisition_start,
803 .dev_acquisition_stop = hw_dev_acquisition_stop,
310e9e9b 804 .priv = NULL,
a1bb33af 805};