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Commit | Line | Data |
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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 <stdint.h> | |
22 | #include <stdlib.h> | |
23 | #include <sys/types.h> | |
24 | #include <sys/stat.h> | |
25 | #include <fcntl.h> | |
26 | #include <unistd.h> | |
a9f54bcd UH |
27 | #ifdef _WIN32 |
28 | #include <windows.h> | |
29 | #else | |
a1bb33af | 30 | #include <termios.h> |
926b866c | 31 | #endif |
a1bb33af UH |
32 | #include <string.h> |
33 | #include <sys/time.h> | |
34 | #include <inttypes.h> | |
926b866c UH |
35 | #ifdef _WIN32 |
36 | /* TODO */ | |
37 | #else | |
6937bb75 | 38 | #include <arpa/inet.h> |
926b866c | 39 | #endif |
a1bb33af | 40 | #include <glib.h> |
b7f09cf8 UH |
41 | #include "sigrok.h" |
42 | #include "sigrok-internal.h" | |
4fe9a6da | 43 | #include "ols.h" |
a1bb33af | 44 | |
1fdb75e1 UH |
45 | #ifdef _WIN32 |
46 | #define O_NONBLOCK FIONBIO | |
47 | #endif | |
48 | ||
a1bb33af | 49 | static int capabilities[] = { |
5a2326a7 UH |
50 | SR_HWCAP_LOGIC_ANALYZER, |
51 | SR_HWCAP_SAMPLERATE, | |
52 | SR_HWCAP_CAPTURE_RATIO, | |
53 | SR_HWCAP_LIMIT_SAMPLES, | |
3a4d09c0 | 54 | SR_HWCAP_RLE, |
43fc7885 | 55 | 0, |
a1bb33af UH |
56 | }; |
57 | ||
c37d2b1b | 58 | static const char *probe_names[NUM_PROBES + 1] = { |
464d12c7 KS |
59 | "0", |
60 | "1", | |
61 | "2", | |
62 | "3", | |
63 | "4", | |
64 | "5", | |
65 | "6", | |
66 | "7", | |
67 | "8", | |
68 | "9", | |
69 | "10", | |
70 | "11", | |
71 | "12", | |
72 | "13", | |
73 | "14", | |
74 | "15", | |
75 | "16", | |
76 | "17", | |
77 | "18", | |
78 | "19", | |
79 | "20", | |
80 | "21", | |
81 | "22", | |
82 | "23", | |
83 | "24", | |
84 | "25", | |
85 | "26", | |
86 | "27", | |
87 | "28", | |
88 | "29", | |
89 | "30", | |
90 | "31", | |
91 | NULL, | |
92 | }; | |
93 | ||
4fe9a6da | 94 | /* default supported samplerates, can be overridden by device metadata */ |
60679b18 | 95 | static struct sr_samplerates samplerates = { |
c9140419 | 96 | SR_HZ(10), |
59df0c77 | 97 | SR_MHZ(200), |
c9140419 UH |
98 | SR_HZ(1), |
99 | NULL, | |
a1bb33af UH |
100 | }; |
101 | ||
6c290072 | 102 | /* List of struct sr_serial_device_instance */ |
a1bb33af UH |
103 | static GSList *device_instances = NULL; |
104 | ||
6937bb75 | 105 | static int send_shortcommand(int fd, uint8_t command) |
a1bb33af UH |
106 | { |
107 | char buf[1]; | |
108 | ||
b08024a8 | 109 | sr_dbg("ols: sending cmd 0x%.2x", command); |
a1bb33af | 110 | buf[0] = command; |
2119ab03 | 111 | if (serial_write(fd, buf, 1) != 1) |
e46b8fb1 | 112 | return SR_ERR; |
a1bb33af | 113 | |
e46b8fb1 | 114 | return SR_OK; |
a1bb33af UH |
115 | } |
116 | ||
6937bb75 | 117 | static int send_longcommand(int fd, uint8_t command, uint32_t data) |
a1bb33af UH |
118 | { |
119 | char buf[5]; | |
120 | ||
b08024a8 | 121 | sr_dbg("ols: sending cmd 0x%.2x data 0x%.8x", command, data); |
a1bb33af | 122 | buf[0] = command; |
6937bb75 BV |
123 | buf[1] = (data & 0xff000000) >> 24; |
124 | buf[2] = (data & 0xff0000) >> 16; | |
125 | buf[3] = (data & 0xff00) >> 8; | |
126 | buf[4] = data & 0xff; | |
2119ab03 | 127 | if (serial_write(fd, buf, 5) != 5) |
e46b8fb1 | 128 | return SR_ERR; |
a1bb33af | 129 | |
e46b8fb1 | 130 | return SR_OK; |
a1bb33af UH |
131 | } |
132 | ||
4fe9a6da | 133 | static int configure_probes(struct ols_device *ols, GSList *probes) |
a1bb33af | 134 | { |
1afe8989 | 135 | struct sr_probe *probe; |
a1bb33af | 136 | GSList *l; |
6937bb75 | 137 | int probe_bit, stage, i; |
a1bb33af UH |
138 | char *tc; |
139 | ||
4fe9a6da | 140 | ols->probe_mask = 0; |
43fc7885 | 141 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
4fe9a6da BV |
142 | ols->trigger_mask[i] = 0; |
143 | ols->trigger_value[i] = 0; | |
a1bb33af UH |
144 | } |
145 | ||
4fe9a6da | 146 | ols->num_stages = 0; |
43fc7885 | 147 | for (l = probes; l; l = l->next) { |
1afe8989 | 148 | probe = (struct sr_probe *)l->data; |
43fc7885 | 149 | if (!probe->enabled) |
6937bb75 BV |
150 | continue; |
151 | ||
43fc7885 UH |
152 | /* |
153 | * Set up the probe mask for later configuration into the | |
154 | * flag register. | |
155 | */ | |
a1bb33af | 156 | probe_bit = 1 << (probe->index - 1); |
4fe9a6da | 157 | ols->probe_mask |= probe_bit; |
6937bb75 | 158 | |
a803c0db | 159 | if (!probe->trigger) |
6937bb75 BV |
160 | continue; |
161 | ||
43fc7885 | 162 | /* Configure trigger mask and value. */ |
6937bb75 | 163 | stage = 0; |
43fc7885 | 164 | for (tc = probe->trigger; tc && *tc; tc++) { |
4fe9a6da | 165 | ols->trigger_mask[stage] |= probe_bit; |
43fc7885 | 166 | if (*tc == '1') |
4fe9a6da | 167 | ols->trigger_value[stage] |= probe_bit; |
6937bb75 | 168 | stage++; |
43fc7885 UH |
169 | if (stage > 3) |
170 | /* | |
171 | * TODO: Only supporting parallel mode, with | |
172 | * up to 4 stages. | |
173 | */ | |
e46b8fb1 | 174 | return SR_ERR; |
a1bb33af | 175 | } |
4fe9a6da BV |
176 | if (stage > ols->num_stages) |
177 | ols->num_stages = stage; | |
a1bb33af UH |
178 | } |
179 | ||
e46b8fb1 | 180 | return SR_OK; |
a1bb33af UH |
181 | } |
182 | ||
a803c0db | 183 | static uint32_t reverse16(uint32_t in) |
6937bb75 BV |
184 | { |
185 | uint32_t out; | |
186 | ||
a803c0db BV |
187 | out = (in & 0xff) << 8; |
188 | out |= (in & 0xff00) >> 8; | |
189 | out |= (in & 0xff0000) << 8; | |
190 | out |= (in & 0xff000000) >> 8; | |
191 | ||
192 | return out; | |
193 | } | |
194 | ||
195 | static uint32_t reverse32(uint32_t in) | |
196 | { | |
197 | uint32_t out; | |
198 | ||
199 | out = (in & 0xff) << 24; | |
200 | out |= (in & 0xff00) << 8; | |
201 | out |= (in & 0xff0000) >> 8; | |
202 | out |= (in & 0xff000000) >> 24; | |
203 | ||
204 | return out; | |
6937bb75 BV |
205 | } |
206 | ||
4fe9a6da BV |
207 | static struct ols_device *ols_device_new(void) |
208 | { | |
209 | struct ols_device *ols; | |
210 | ||
c0a4b971 | 211 | /* TODO: Is 'ols' ever g_free()'d? */ |
b53738ba UH |
212 | if (!(ols = g_try_malloc0(sizeof(struct ols_device)))) { |
213 | sr_err("ols: %s: ols malloc failed", __func__); | |
214 | return NULL; | |
215 | } | |
216 | ||
4fe9a6da BV |
217 | ols->trigger_at = -1; |
218 | ols->probe_mask = 0xffffffff; | |
219 | ols->cur_samplerate = SR_KHZ(200); | |
9c939c51 | 220 | ols->period_ps = 5000000; |
69890f73 | 221 | ols->serial = NULL; |
4fe9a6da BV |
222 | |
223 | return ols; | |
224 | } | |
225 | ||
226 | static struct sr_device_instance *get_metadata(int fd) | |
227 | { | |
228 | struct sr_device_instance *sdi; | |
229 | struct ols_device *ols; | |
230 | uint32_t tmp_int; | |
231 | uint8_t key, type, token; | |
232 | GString *tmp_str, *devicename, *version; | |
233 | gchar tmp_c; | |
234 | ||
235 | sdi = sr_device_instance_new(0, SR_ST_INACTIVE, NULL, NULL, NULL); | |
236 | ols = ols_device_new(); | |
237 | sdi->priv = ols; | |
238 | ||
239 | devicename = g_string_new(""); | |
240 | version = g_string_new(""); | |
241 | ||
242 | key = 0xff; | |
243 | while (key) { | |
244 | if (serial_read(fd, &key, 1) != 1 || key == 0x00) | |
245 | break; | |
246 | type = key >> 5; | |
247 | token = key & 0x1f; | |
248 | switch (type) { | |
249 | case 0: | |
250 | /* NULL-terminated string */ | |
251 | tmp_str = g_string_new(""); | |
252 | while (serial_read(fd, &tmp_c, 1) == 1 && tmp_c != '\0') | |
253 | g_string_append_c(tmp_str, tmp_c); | |
b08024a8 UH |
254 | sr_dbg("ols: got metadata key 0x%.2x value '%s'", |
255 | key, tmp_str->str); | |
4fe9a6da BV |
256 | switch (token) { |
257 | case 0x01: | |
258 | /* Device name */ | |
259 | devicename = g_string_append(devicename, tmp_str->str); | |
260 | break; | |
261 | case 0x02: | |
262 | /* FPGA firmware version */ | |
263 | if (version->len) | |
264 | g_string_append(version, ", "); | |
265 | g_string_append(version, "FPGA version "); | |
266 | g_string_append(version, tmp_str->str); | |
267 | break; | |
268 | case 0x03: | |
269 | /* Ancillary version */ | |
270 | if (version->len) | |
271 | g_string_append(version, ", "); | |
272 | g_string_append(version, "Ancillary version "); | |
273 | g_string_append(version, tmp_str->str); | |
274 | break; | |
275 | default: | |
b08024a8 UH |
276 | sr_info("ols: unknown token 0x%.2x: '%s'", |
277 | token, tmp_str->str); | |
4fe9a6da BV |
278 | break; |
279 | } | |
280 | g_string_free(tmp_str, TRUE); | |
281 | break; | |
282 | case 1: | |
283 | /* 32-bit unsigned integer */ | |
284 | if (serial_read(fd, &tmp_int, 4) != 4) | |
285 | break; | |
286 | tmp_int = reverse32(tmp_int); | |
b08024a8 UH |
287 | sr_dbg("ols: got metadata key 0x%.2x value 0x%.8x", |
288 | key, tmp_int); | |
4fe9a6da BV |
289 | switch (token) { |
290 | case 0x00: | |
291 | /* Number of usable probes */ | |
292 | ols->num_probes = tmp_int; | |
293 | break; | |
294 | case 0x01: | |
295 | /* Amount of sample memory available (bytes) */ | |
296 | ols->max_samples = tmp_int; | |
297 | break; | |
298 | case 0x02: | |
299 | /* Amount of dynamic memory available (bytes) */ | |
300 | /* what is this for? */ | |
301 | break; | |
302 | case 0x03: | |
303 | /* Maximum sample rate (hz) */ | |
304 | ols->max_samplerate = tmp_int; | |
305 | break; | |
306 | case 0x04: | |
307 | /* protocol version */ | |
308 | ols->protocol_version = tmp_int; | |
309 | break; | |
310 | default: | |
b08024a8 UH |
311 | sr_info("ols: unknown token 0x%.2x: 0x%.8x", |
312 | token, tmp_int); | |
4fe9a6da BV |
313 | break; |
314 | } | |
315 | break; | |
316 | case 2: | |
317 | /* 8-bit unsigned integer */ | |
318 | if (serial_read(fd, &tmp_c, 1) != 1) | |
319 | break; | |
b08024a8 UH |
320 | sr_dbg("ols: got metadata key 0x%.2x value 0x%.2x", |
321 | key, tmp_c); | |
4fe9a6da BV |
322 | switch (token) { |
323 | case 0x00: | |
324 | /* Number of usable probes */ | |
325 | ols->num_probes = tmp_c; | |
326 | break; | |
327 | case 0x01: | |
328 | /* protocol version */ | |
329 | ols->protocol_version = tmp_c; | |
330 | break; | |
331 | default: | |
b08024a8 UH |
332 | sr_info("ols: unknown token 0x%.2x: 0x%.2x", |
333 | token, tmp_c); | |
4fe9a6da BV |
334 | break; |
335 | } | |
336 | break; | |
337 | default: | |
338 | /* unknown type */ | |
339 | break; | |
340 | } | |
341 | } | |
342 | ||
343 | sdi->model = devicename->str; | |
344 | sdi->version = version->str; | |
345 | g_string_free(devicename, FALSE); | |
346 | g_string_free(version, FALSE); | |
347 | ||
348 | return sdi; | |
349 | } | |
350 | ||
54ac5277 | 351 | static int hw_init(const char *deviceinfo) |
a1bb33af | 352 | { |
a00ba012 | 353 | struct sr_device_instance *sdi; |
4fe9a6da | 354 | struct ols_device *ols; |
a1bb33af | 355 | GSList *ports, *l; |
4fe9a6da | 356 | GPollFD *fds, probefd; |
6937bb75 | 357 | int devcnt, final_devcnt, num_ports, fd, ret, i; |
d02a535e | 358 | char buf[8], **device_names, **serial_params; |
a1bb33af | 359 | |
c0a4b971 UH |
360 | final_devcnt = 0; |
361 | ||
43fc7885 | 362 | if (deviceinfo) |
6937bb75 | 363 | ports = g_slist_append(NULL, strdup(deviceinfo)); |
a1bb33af | 364 | else |
43fc7885 | 365 | /* No specific device given, so scan all serial ports. */ |
a1bb33af UH |
366 | ports = list_serial_ports(); |
367 | ||
368 | num_ports = g_slist_length(ports); | |
c0a4b971 UH |
369 | |
370 | if (!(fds = g_try_malloc0(num_ports * sizeof(GPollFD)))) { | |
371 | sr_err("ols: %s: fds malloc failed", __func__); | |
372 | goto hw_init_free_ports; /* TODO: SR_ERR_MALLOC. */ | |
373 | } | |
374 | ||
375 | if (!(device_names = g_try_malloc(num_ports * sizeof(char *)))) { | |
376 | sr_err("ols: %s: device_names malloc failed", __func__); | |
377 | goto hw_init_free_fds; /* TODO: SR_ERR_MALLOC. */ | |
378 | } | |
379 | ||
380 | if (!(serial_params = g_try_malloc(num_ports * sizeof(char *)))) { | |
381 | sr_err("ols: %s: serial_params malloc failed", __func__); | |
382 | goto hw_init_free_device_names; /* TODO: SR_ERR_MALLOC. */ | |
383 | } | |
384 | ||
a1bb33af | 385 | devcnt = 0; |
43fc7885 UH |
386 | for (l = ports; l; l = l->next) { |
387 | /* The discovery procedure is like this: first send the Reset | |
388 | * command (0x00) 5 times, since the device could be anywhere | |
389 | * in a 5-byte command. Then send the ID command (0x02). | |
390 | * If the device responds with 4 bytes ("OLS1" or "SLA1"), we | |
391 | * have a match. | |
392 | * | |
393 | * Since it may take the device a while to respond at 115Kb/s, | |
394 | * we do all the sending first, then wait for all of them to | |
395 | * respond with g_poll(). | |
a1bb33af | 396 | */ |
b08024a8 | 397 | sr_info("ols: probing %s...", (char *)l->data); |
d02a535e | 398 | fd = serial_open(l->data, O_RDWR | O_NONBLOCK); |
43fc7885 | 399 | if (fd != -1) { |
d02a535e BV |
400 | serial_params[devcnt] = serial_backup_params(fd); |
401 | serial_set_params(fd, 115200, 8, 0, 1, 2); | |
e46b8fb1 | 402 | ret = SR_OK; |
43fc7885 UH |
403 | for (i = 0; i < 5; i++) { |
404 | if ((ret = send_shortcommand(fd, | |
e46b8fb1 | 405 | CMD_RESET)) != SR_OK) { |
43fc7885 | 406 | /* Serial port is not writable. */ |
6937bb75 BV |
407 | break; |
408 | } | |
a1bb33af | 409 | } |
e46b8fb1 | 410 | if (ret != SR_OK) { |
43fc7885 UH |
411 | serial_restore_params(fd, |
412 | serial_params[devcnt]); | |
d02a535e | 413 | serial_close(fd); |
6937bb75 | 414 | continue; |
d02a535e | 415 | } |
6937bb75 BV |
416 | send_shortcommand(fd, CMD_ID); |
417 | fds[devcnt].fd = fd; | |
418 | fds[devcnt].events = G_IO_IN; | |
419 | device_names[devcnt] = strdup(l->data); | |
420 | devcnt++; | |
a1bb33af | 421 | } |
6937bb75 | 422 | free(l->data); |
a1bb33af UH |
423 | } |
424 | ||
5b15b41e PS |
425 | /* 2ms isn't enough for reliable transfer with pl2303, let's try 10 */ |
426 | usleep(10000); | |
a1bb33af | 427 | |
a1bb33af | 428 | g_poll(fds, devcnt, 1); |
4fe9a6da | 429 | |
43fc7885 | 430 | for (i = 0; i < devcnt; i++) { |
4fe9a6da BV |
431 | if (fds[i].revents != G_IO_IN) |
432 | continue; | |
433 | if (serial_read(fds[i].fd, buf, 4) != 4) | |
434 | continue; | |
435 | if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4)) | |
436 | continue; | |
437 | ||
438 | /* definitely using the OLS protocol, check if it supports | |
439 | * the metadata command | |
440 | */ | |
441 | send_shortcommand(fds[i].fd, CMD_METADATA); | |
442 | probefd.fd = fds[i].fd; | |
443 | probefd.events = G_IO_IN; | |
444 | if (g_poll(&probefd, 1, 10) > 0) { | |
445 | /* got metadata */ | |
446 | sdi = get_metadata(fds[i].fd); | |
447 | sdi->index = final_devcnt; | |
448 | } else { | |
449 | /* not an OLS -- some other board that uses the sump protocol */ | |
450 | sdi = sr_device_instance_new(final_devcnt, SR_ST_INACTIVE, | |
451 | "Sump", "Logic Analyzer", "v1.0"); | |
452 | ols = ols_device_new(); | |
453 | ols->num_probes = 32; | |
454 | sdi->priv = ols; | |
a1bb33af | 455 | } |
69890f73 | 456 | ols->serial = sr_serial_device_instance_new(device_names[i], -1); |
4fe9a6da BV |
457 | device_instances = g_slist_append(device_instances, sdi); |
458 | final_devcnt++; | |
459 | serial_close(fds[i].fd); | |
460 | fds[i].fd = 0; | |
4fe9a6da BV |
461 | } |
462 | ||
463 | /* clean up after all the probing */ | |
464 | for (i = 0; i < devcnt; i++) { | |
43fc7885 | 465 | if (fds[i].fd != 0) { |
d02a535e BV |
466 | serial_restore_params(fds[i].fd, serial_params[i]); |
467 | serial_close(fds[i].fd); | |
6937bb75 | 468 | } |
d02a535e | 469 | free(serial_params[i]); |
4fe9a6da | 470 | free(device_names[i]); |
a1bb33af UH |
471 | } |
472 | ||
c0a4b971 UH |
473 | g_free(serial_params); |
474 | hw_init_free_device_names: | |
475 | g_free(device_names); | |
476 | hw_init_free_fds: | |
477 | g_free(fds); | |
478 | hw_init_free_ports: | |
a1bb33af UH |
479 | g_slist_free(ports); |
480 | ||
481 | return final_devcnt; | |
482 | } | |
483 | ||
a1bb33af UH |
484 | static int hw_opendev(int device_index) |
485 | { | |
a00ba012 | 486 | struct sr_device_instance *sdi; |
69890f73 | 487 | struct ols_device *ols; |
a1bb33af | 488 | |
d32d961d | 489 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 490 | return SR_ERR; |
a1bb33af | 491 | |
69890f73 UH |
492 | ols = sdi->priv; |
493 | ||
494 | ols->serial->fd = serial_open(ols->serial->port, O_RDWR); | |
495 | if (ols->serial->fd == -1) | |
e46b8fb1 | 496 | return SR_ERR; |
a1bb33af | 497 | |
5a2326a7 | 498 | sdi->status = SR_ST_ACTIVE; |
a1bb33af | 499 | |
e46b8fb1 | 500 | return SR_OK; |
a1bb33af UH |
501 | } |
502 | ||
697785d1 | 503 | static int hw_closedev(int device_index) |
a1bb33af | 504 | { |
a00ba012 | 505 | struct sr_device_instance *sdi; |
69890f73 | 506 | struct ols_device *ols; |
a1bb33af | 507 | |
697785d1 UH |
508 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) { |
509 | sr_err("ols: %s: sdi was NULL", __func__); | |
510 | return SR_ERR; /* TODO: SR_ERR_ARG? */ | |
511 | } | |
a1bb33af | 512 | |
69890f73 UH |
513 | ols = sdi->priv; |
514 | ||
697785d1 | 515 | /* TODO */ |
69890f73 UH |
516 | if (ols->serial->fd != -1) { |
517 | serial_close(ols->serial->fd); | |
518 | ols->serial->fd = -1; | |
5a2326a7 | 519 | sdi->status = SR_ST_INACTIVE; |
a1bb33af | 520 | } |
697785d1 UH |
521 | |
522 | return SR_OK; | |
a1bb33af UH |
523 | } |
524 | ||
a1bb33af UH |
525 | static void hw_cleanup(void) |
526 | { | |
527 | GSList *l; | |
a00ba012 | 528 | struct sr_device_instance *sdi; |
69890f73 | 529 | struct ols_device *ols; |
a1bb33af | 530 | |
8722c31e | 531 | /* Properly close and free all devices. */ |
43fc7885 | 532 | for (l = device_instances; l; l = l->next) { |
a1bb33af | 533 | sdi = l->data; |
69890f73 UH |
534 | ols = sdi->priv; |
535 | if (ols->serial->fd != -1) | |
536 | serial_close(ols->serial->fd); | |
537 | sr_serial_device_instance_free(ols->serial); | |
a00ba012 | 538 | sr_device_instance_free(sdi); |
a1bb33af UH |
539 | } |
540 | g_slist_free(device_instances); | |
541 | device_instances = NULL; | |
a1bb33af UH |
542 | } |
543 | ||
a1bb33af UH |
544 | static void *hw_get_device_info(int device_index, int device_info_id) |
545 | { | |
a00ba012 | 546 | struct sr_device_instance *sdi; |
4fe9a6da | 547 | struct ols_device *ols; |
a1bb33af UH |
548 | void *info; |
549 | ||
d32d961d | 550 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
a1bb33af | 551 | return NULL; |
4fe9a6da | 552 | ols = sdi->priv; |
a1bb33af UH |
553 | |
554 | info = NULL; | |
43fc7885 | 555 | switch (device_info_id) { |
5a2326a7 | 556 | case SR_DI_INSTANCE: |
a1bb33af UH |
557 | info = sdi; |
558 | break; | |
5a2326a7 | 559 | case SR_DI_NUM_PROBES: |
a1bb33af UH |
560 | info = GINT_TO_POINTER(NUM_PROBES); |
561 | break; | |
464d12c7 KS |
562 | case SR_DI_PROBE_NAMES: |
563 | info = probe_names; | |
564 | break; | |
5a2326a7 | 565 | case SR_DI_SAMPLERATES: |
a1bb33af UH |
566 | info = &samplerates; |
567 | break; | |
5a2326a7 | 568 | case SR_DI_TRIGGER_TYPES: |
43fc7885 | 569 | info = (char *)TRIGGER_TYPES; |
a1bb33af | 570 | break; |
5a2326a7 | 571 | case SR_DI_CUR_SAMPLERATE: |
4fe9a6da | 572 | info = &ols->cur_samplerate; |
a1bb33af UH |
573 | break; |
574 | } | |
575 | ||
576 | return info; | |
577 | } | |
578 | ||
a1bb33af UH |
579 | static int hw_get_status(int device_index) |
580 | { | |
a00ba012 | 581 | struct sr_device_instance *sdi; |
a1bb33af | 582 | |
d32d961d | 583 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
5a2326a7 | 584 | return SR_ST_NOT_FOUND; |
a1bb33af UH |
585 | |
586 | return sdi->status; | |
587 | } | |
588 | ||
a1bb33af UH |
589 | static int *hw_get_capabilities(void) |
590 | { | |
a1bb33af UH |
591 | return capabilities; |
592 | } | |
593 | ||
a00ba012 | 594 | static int set_configuration_samplerate(struct sr_device_instance *sdi, |
43fc7885 | 595 | uint64_t samplerate) |
a1bb33af | 596 | { |
4fe9a6da | 597 | struct ols_device *ols; |
a1bb33af | 598 | |
4fe9a6da BV |
599 | ols = sdi->priv; |
600 | if (ols->max_samplerate) { | |
601 | if (samplerate > ols->max_samplerate) | |
602 | return SR_ERR_SAMPLERATE; | |
603 | } else if (samplerate < samplerates.low || samplerate > samplerates.high) | |
e46b8fb1 | 604 | return SR_ERR_SAMPLERATE; |
a1bb33af | 605 | |
43fc7885 | 606 | if (samplerate > CLOCK_RATE) { |
4fe9a6da BV |
607 | ols->flag_reg |= FLAG_DEMUX; |
608 | ols->cur_samplerate_divider = (CLOCK_RATE * 2 / samplerate) - 1; | |
43fc7885 | 609 | } else { |
4fe9a6da BV |
610 | ols->flag_reg &= ~FLAG_DEMUX; |
611 | ols->cur_samplerate_divider = (CLOCK_RATE / samplerate) - 1; | |
a1bb33af | 612 | } |
a1bb33af | 613 | |
7583b99d GM |
614 | /* Calculate actual samplerate used and complain if it is different |
615 | * from the requested. | |
616 | */ | |
617 | ols->cur_samplerate = CLOCK_RATE / (ols->cur_samplerate_divider + 1); | |
618 | if(ols->flag_reg & FLAG_DEMUX) | |
619 | ols->cur_samplerate *= 2; | |
620 | ols->period_ps = 1000000000000 / ols->cur_samplerate; | |
621 | if(ols->cur_samplerate != samplerate) | |
622 | sr_warn("ols: can't match samplerate %" PRIu64 ", using %" PRIu64, | |
623 | samplerate, ols->cur_samplerate); | |
624 | ||
e46b8fb1 | 625 | return SR_OK; |
a1bb33af UH |
626 | } |
627 | ||
a1bb33af UH |
628 | static int hw_set_configuration(int device_index, int capability, void *value) |
629 | { | |
a00ba012 | 630 | struct sr_device_instance *sdi; |
4fe9a6da | 631 | struct ols_device *ols; |
a1bb33af UH |
632 | int ret; |
633 | uint64_t *tmp_u64; | |
634 | ||
d32d961d | 635 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 636 | return SR_ERR; |
4fe9a6da | 637 | ols = sdi->priv; |
a1bb33af | 638 | |
5a2326a7 | 639 | if (sdi->status != SR_ST_ACTIVE) |
e46b8fb1 | 640 | return SR_ERR; |
a1bb33af | 641 | |
a803c0db | 642 | switch (capability) { |
5a2326a7 | 643 | case SR_HWCAP_SAMPLERATE: |
a1bb33af UH |
644 | tmp_u64 = value; |
645 | ret = set_configuration_samplerate(sdi, *tmp_u64); | |
a803c0db | 646 | break; |
5a2326a7 | 647 | case SR_HWCAP_PROBECONFIG: |
4fe9a6da | 648 | ret = configure_probes(ols, (GSList *) value); |
a803c0db | 649 | break; |
5a2326a7 | 650 | case SR_HWCAP_LIMIT_SAMPLES: |
2458ea65 | 651 | tmp_u64 = value; |
574ce498 | 652 | if (*tmp_u64 < MIN_NUM_SAMPLES) |
e46b8fb1 | 653 | return SR_ERR; |
baf1d714 | 654 | if (*tmp_u64 > ols->max_samples) |
22130421 | 655 | sr_warn("ols: sample limit exceeds hw max"); |
4fe9a6da | 656 | ols->limit_samples = *tmp_u64; |
b08024a8 | 657 | sr_info("ols: sample limit %" PRIu64, ols->limit_samples); |
e46b8fb1 | 658 | ret = SR_OK; |
a803c0db | 659 | break; |
5a2326a7 | 660 | case SR_HWCAP_CAPTURE_RATIO: |
a803c0db | 661 | tmp_u64 = value; |
4fe9a6da BV |
662 | ols->capture_ratio = *tmp_u64; |
663 | if (ols->capture_ratio < 0 || ols->capture_ratio > 100) { | |
664 | ols->capture_ratio = 0; | |
e46b8fb1 | 665 | ret = SR_ERR; |
43fc7885 | 666 | } else |
e46b8fb1 | 667 | ret = SR_OK; |
a803c0db | 668 | break; |
3a4d09c0 | 669 | case SR_HWCAP_RLE: |
4d436e71 | 670 | if (GPOINTER_TO_INT(value)) { |
3a4d09c0 GM |
671 | sr_info("ols: enabling RLE"); |
672 | ols->flag_reg |= FLAG_RLE; | |
673 | } | |
674 | ret = SR_OK; | |
675 | break; | |
a803c0db | 676 | default: |
e46b8fb1 | 677 | ret = SR_ERR; |
43fc7885 | 678 | } |
a1bb33af UH |
679 | |
680 | return ret; | |
681 | } | |
682 | ||
9c939c51 | 683 | static int receive_data(int fd, int revents, void *session_data) |
a1bb33af | 684 | { |
b9c735a2 | 685 | struct sr_datafeed_packet packet; |
9c939c51 | 686 | struct sr_datafeed_logic logic; |
4fe9a6da BV |
687 | struct sr_device_instance *sdi; |
688 | struct ols_device *ols; | |
689 | GSList *l; | |
3a4d09c0 GM |
690 | int num_channels, offset, i, j; |
691 | unsigned char byte; | |
a1bb33af | 692 | |
4fe9a6da BV |
693 | /* find this device's ols_device struct by its fd */ |
694 | ols = NULL; | |
695 | for (l = device_instances; l; l = l->next) { | |
696 | sdi = l->data; | |
69890f73 | 697 | if (ols->serial->fd == fd) { |
4fe9a6da BV |
698 | ols = sdi->priv; |
699 | break; | |
700 | } | |
701 | } | |
702 | if (!ols) | |
703 | /* shouldn't happen */ | |
704 | return TRUE; | |
705 | ||
706 | if (ols->num_transfers++ == 0) { | |
43fc7885 UH |
707 | /* |
708 | * First time round, means the device started sending data, | |
709 | * and will not stop until done. If it stops sending for | |
710 | * longer than it takes to send a byte, that means it's | |
711 | * finished. We'll double that to 30ms to be sure... | |
a1bb33af | 712 | */ |
6f1be0a2 | 713 | sr_source_remove(fd); |
9c939c51 | 714 | sr_source_add(fd, G_IO_IN, 30, receive_data, session_data); |
c0a4b971 UH |
715 | ols->raw_sample_buf = g_try_malloc(ols->limit_samples * 4); |
716 | if (!ols->raw_sample_buf) { | |
717 | sr_err("ols: %s: ols->raw_sample_buf malloc failed", | |
718 | __func__); | |
719 | return FALSE; | |
720 | } | |
a803c0db | 721 | /* fill with 1010... for debugging */ |
4fe9a6da | 722 | memset(ols->raw_sample_buf, 0x82, ols->limit_samples * 4); |
a1bb33af UH |
723 | } |
724 | ||
6937bb75 | 725 | num_channels = 0; |
43fc7885 | 726 | for (i = 0x20; i > 0x02; i /= 2) { |
4fe9a6da | 727 | if ((ols->flag_reg & i) == 0) |
6937bb75 | 728 | num_channels++; |
43fc7885 | 729 | } |
6937bb75 | 730 | |
3a4d09c0 | 731 | if (revents == G_IO_IN) { |
2119ab03 | 732 | if (serial_read(fd, &byte, 1) != 1) |
a1bb33af UH |
733 | return FALSE; |
734 | ||
baf1d714 UH |
735 | /* Ignore it if we've read enough. */ |
736 | if (ols->num_samples >= ols->limit_samples) | |
737 | return TRUE; | |
3a4d09c0 | 738 | |
4fe9a6da | 739 | ols->sample[ols->num_bytes++] = byte; |
b08024a8 | 740 | sr_dbg("ols: received byte 0x%.2x", byte); |
4fe9a6da | 741 | if (ols->num_bytes == num_channels) { |
43fc7885 | 742 | /* Got a full sample. */ |
b08024a8 | 743 | sr_dbg("ols: received sample 0x%.*x", |
baf1d714 | 744 | ols->num_bytes * 2, *(int *)ols->sample); |
4fe9a6da | 745 | if (ols->flag_reg & FLAG_RLE) { |
43fc7885 UH |
746 | /* |
747 | * In RLE mode -1 should never come in as a | |
748 | * sample, because bit 31 is the "count" flag. | |
43fc7885 | 749 | */ |
3a4d09c0 | 750 | if (ols->sample[ols->num_bytes - 1] & 0x80) { |
baf1d714 UH |
751 | ols->sample[ols->num_bytes - 1] &= 0x7f; |
752 | /* | |
753 | * FIXME: This will only work on | |
754 | * little-endian systems. | |
a1bb33af | 755 | */ |
baf1d714 | 756 | ols->rle_count = *(int *)(ols->sample); |
3a4d09c0 GM |
757 | sr_dbg("ols: RLE count = %d", ols->rle_count); |
758 | ols->num_bytes = 0; | |
759 | return TRUE; | |
baf1d714 | 760 | } |
3a4d09c0 GM |
761 | } |
762 | ols->num_samples += ols->rle_count + 1; | |
baf1d714 UH |
763 | if (ols->num_samples > ols->limit_samples) { |
764 | /* Save us from overrunning the buffer. */ | |
3a4d09c0 GM |
765 | ols->rle_count -= ols->num_samples - ols->limit_samples; |
766 | ols->num_samples = ols->limit_samples; | |
a1bb33af UH |
767 | } |
768 | ||
43fc7885 UH |
769 | if (num_channels < 4) { |
770 | /* | |
771 | * Some channel groups may have been turned | |
772 | * off, to speed up transfer between the | |
773 | * hardware and the PC. Expand that here before | |
774 | * submitting it over the session bus -- | |
775 | * whatever is listening on the bus will be | |
776 | * expecting a full 32-bit sample, based on | |
777 | * the number of probes. | |
6937bb75 BV |
778 | */ |
779 | j = 0; | |
4fe9a6da | 780 | memset(ols->tmp_sample, 0, 4); |
43fc7885 | 781 | for (i = 0; i < 4; i++) { |
4fe9a6da | 782 | if (((ols->flag_reg >> 2) & (1 << i)) == 0) { |
43fc7885 UH |
783 | /* |
784 | * This channel group was | |
785 | * enabled, copy from received | |
786 | * sample. | |
787 | */ | |
4fe9a6da | 788 | ols->tmp_sample[i] = ols->sample[j++]; |
6937bb75 BV |
789 | } |
790 | } | |
4fe9a6da | 791 | memcpy(ols->sample, ols->tmp_sample, 4); |
baf1d714 | 792 | sr_dbg("ols: full sample 0x%.8x", *(int *)ols->sample); |
6937bb75 BV |
793 | } |
794 | ||
a803c0db BV |
795 | /* the OLS sends its sample buffer backwards. |
796 | * store it in reverse order here, so we can dump | |
797 | * this on the session bus later. | |
798 | */ | |
3a4d09c0 | 799 | offset = (ols->limit_samples - ols->num_samples) * 4; |
baf1d714 UH |
800 | for (i = 0; i <= ols->rle_count; i++) { |
801 | memcpy(ols->raw_sample_buf + offset + (i * 4), | |
802 | ols->sample, 4); | |
803 | } | |
4fe9a6da BV |
804 | memset(ols->sample, 0, 4); |
805 | ols->num_bytes = 0; | |
3a4d09c0 | 806 | ols->rle_count = 0; |
a1bb33af | 807 | } |
43fc7885 UH |
808 | } else { |
809 | /* | |
810 | * This is the main loop telling us a timeout was reached, or | |
811 | * we've acquired all the samples we asked for -- we're done. | |
a803c0db | 812 | * Send the (properly-ordered) buffer to the frontend. |
43fc7885 | 813 | */ |
4fe9a6da | 814 | if (ols->trigger_at != -1) { |
a803c0db BV |
815 | /* a trigger was set up, so we need to tell the frontend |
816 | * about it. | |
817 | */ | |
4fe9a6da | 818 | if (ols->trigger_at > 0) { |
a803c0db | 819 | /* there are pre-trigger samples, send those first */ |
5a2326a7 | 820 | packet.type = SR_DF_LOGIC; |
9c939c51 BV |
821 | packet.timeoffset = 0; |
822 | packet.duration = ols->trigger_at * ols->period_ps; | |
823 | packet.payload = &logic; | |
824 | logic.length = ols->trigger_at * 4; | |
825 | logic.unitsize = 4; | |
baf1d714 | 826 | logic.data = ols->raw_sample_buf + |
22130421 | 827 | (ols->limit_samples - ols->num_samples) * 4; |
9c939c51 | 828 | sr_session_bus(session_data, &packet); |
a803c0db BV |
829 | } |
830 | ||
9c939c51 | 831 | /* send the trigger */ |
5a2326a7 | 832 | packet.type = SR_DF_TRIGGER; |
9c939c51 BV |
833 | packet.timeoffset = ols->trigger_at * ols->period_ps; |
834 | packet.duration = 0; | |
835 | sr_session_bus(session_data, &packet); | |
a803c0db | 836 | |
9c939c51 | 837 | /* send post-trigger samples */ |
5a2326a7 | 838 | packet.type = SR_DF_LOGIC; |
9c939c51 | 839 | packet.timeoffset = ols->trigger_at * ols->period_ps; |
22130421 | 840 | packet.duration = (ols->num_samples - ols->trigger_at) * ols->period_ps; |
9c939c51 | 841 | packet.payload = &logic; |
22130421 | 842 | logic.length = (ols->num_samples * 4) - (ols->trigger_at * 4); |
9c939c51 | 843 | logic.unitsize = 4; |
22130421 GM |
844 | logic.data = ols->raw_sample_buf + ols->trigger_at * 4 + |
845 | (ols->limit_samples - ols->num_samples) * 4; | |
9c939c51 | 846 | sr_session_bus(session_data, &packet); |
a803c0db | 847 | } else { |
9c939c51 | 848 | /* no trigger was used */ |
5a2326a7 | 849 | packet.type = SR_DF_LOGIC; |
9c939c51 | 850 | packet.timeoffset = 0; |
22130421 | 851 | packet.duration = ols->num_samples * ols->period_ps; |
9c939c51 | 852 | packet.payload = &logic; |
22130421 | 853 | logic.length = ols->num_samples * 4; |
9c939c51 | 854 | logic.unitsize = 4; |
22130421 GM |
855 | logic.data = ols->raw_sample_buf + |
856 | (ols->limit_samples - ols->num_samples) * 4; | |
9c939c51 | 857 | sr_session_bus(session_data, &packet); |
a803c0db | 858 | } |
c0a4b971 | 859 | g_free(ols->raw_sample_buf); |
a803c0db | 860 | |
06d64eb8 | 861 | serial_flush(fd); |
d02a535e | 862 | serial_close(fd); |
5a2326a7 | 863 | packet.type = SR_DF_END; |
22130421 | 864 | packet.timeoffset = ols->num_samples * ols->period_ps; |
9c939c51 BV |
865 | packet.duration = 0; |
866 | sr_session_bus(session_data, &packet); | |
a1bb33af UH |
867 | } |
868 | ||
869 | return TRUE; | |
870 | } | |
871 | ||
9c939c51 | 872 | static int hw_start_acquisition(int device_index, gpointer session_data) |
a1bb33af | 873 | { |
b9c735a2 UH |
874 | struct sr_datafeed_packet *packet; |
875 | struct sr_datafeed_header *header; | |
a00ba012 | 876 | struct sr_device_instance *sdi; |
4fe9a6da | 877 | struct ols_device *ols; |
a803c0db | 878 | uint32_t trigger_config[4]; |
a1bb33af | 879 | uint32_t data; |
6937bb75 BV |
880 | uint16_t readcount, delaycount; |
881 | uint8_t changrp_mask; | |
22130421 | 882 | int num_channels; |
4fe9a6da | 883 | int i; |
a1bb33af | 884 | |
d32d961d | 885 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 886 | return SR_ERR; |
c0a4b971 | 887 | |
4fe9a6da | 888 | ols = sdi->priv; |
a1bb33af | 889 | |
5a2326a7 | 890 | if (sdi->status != SR_ST_ACTIVE) |
e46b8fb1 | 891 | return SR_ERR; |
a1bb33af | 892 | |
22130421 GM |
893 | /* |
894 | * Enable/disable channel groups in the flag register according to the | |
baf1d714 | 895 | * probe mask. Calculate this here, because num_channels is needed |
22130421 GM |
896 | * to limit readcount. |
897 | */ | |
898 | changrp_mask = 0; | |
899 | num_channels = 0; | |
900 | for (i = 0; i < 4; i++) { | |
901 | if (ols->probe_mask & (0xff << (i * 8))) { | |
902 | changrp_mask |= (1 << i); | |
903 | num_channels++; | |
904 | } | |
905 | } | |
906 | ||
baf1d714 UH |
907 | /* |
908 | * Limit readcount to prevent reading past the end of the hardware | |
22130421 GM |
909 | * buffer. |
910 | */ | |
911 | readcount = MIN(ols->max_samples / num_channels, ols->limit_samples) / 4; | |
a803c0db BV |
912 | |
913 | memset(trigger_config, 0, 16); | |
4fe9a6da BV |
914 | trigger_config[ols->num_stages - 1] |= 0x08; |
915 | if (ols->trigger_mask[0]) { | |
916 | delaycount = readcount * (1 - ols->capture_ratio / 100.0); | |
917 | ols->trigger_at = (readcount - delaycount) * 4 - ols->num_stages; | |
a803c0db | 918 | |
69890f73 | 919 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_0, |
4fe9a6da | 920 | reverse32(ols->trigger_mask[0])) != SR_OK) |
e46b8fb1 | 921 | return SR_ERR; |
69890f73 | 922 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_0, |
4fe9a6da | 923 | reverse32(ols->trigger_value[0])) != SR_OK) |
e46b8fb1 | 924 | return SR_ERR; |
69890f73 | 925 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_0, |
e46b8fb1 UH |
926 | trigger_config[0]) != SR_OK) |
927 | return SR_ERR; | |
6937bb75 | 928 | |
69890f73 | 929 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_1, |
4fe9a6da | 930 | reverse32(ols->trigger_mask[1])) != SR_OK) |
e46b8fb1 | 931 | return SR_ERR; |
69890f73 | 932 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_1, |
4fe9a6da | 933 | reverse32(ols->trigger_value[1])) != SR_OK) |
e46b8fb1 | 934 | return SR_ERR; |
69890f73 | 935 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_1, |
e46b8fb1 UH |
936 | trigger_config[1]) != SR_OK) |
937 | return SR_ERR; | |
6937bb75 | 938 | |
69890f73 | 939 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_2, |
4fe9a6da | 940 | reverse32(ols->trigger_mask[2])) != SR_OK) |
e46b8fb1 | 941 | return SR_ERR; |
69890f73 | 942 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_2, |
4fe9a6da | 943 | reverse32(ols->trigger_value[2])) != SR_OK) |
e46b8fb1 | 944 | return SR_ERR; |
69890f73 | 945 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_2, |
e46b8fb1 UH |
946 | trigger_config[2]) != SR_OK) |
947 | return SR_ERR; | |
a803c0db | 948 | |
69890f73 | 949 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_3, |
4fe9a6da | 950 | reverse32(ols->trigger_mask[3])) != SR_OK) |
e46b8fb1 | 951 | return SR_ERR; |
69890f73 | 952 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_3, |
4fe9a6da | 953 | reverse32(ols->trigger_value[3])) != SR_OK) |
e46b8fb1 | 954 | return SR_ERR; |
69890f73 | 955 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_3, |
e46b8fb1 UH |
956 | trigger_config[3]) != SR_OK) |
957 | return SR_ERR; | |
6937bb75 | 958 | } else { |
69890f73 | 959 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_0, |
4fe9a6da | 960 | ols->trigger_mask[0]) != SR_OK) |
e46b8fb1 | 961 | return SR_ERR; |
69890f73 | 962 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_0, |
4fe9a6da | 963 | ols->trigger_value[0]) != SR_OK) |
e46b8fb1 | 964 | return SR_ERR; |
69890f73 | 965 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_0, |
e46b8fb1 UH |
966 | 0x00000008) != SR_OK) |
967 | return SR_ERR; | |
a803c0db | 968 | delaycount = readcount; |
6937bb75 | 969 | } |
a1bb33af | 970 | |
b08024a8 UH |
971 | sr_info("ols: setting samplerate to %" PRIu64 " Hz (divider %u, " |
972 | "demux %s)", ols->cur_samplerate, ols->cur_samplerate_divider, | |
973 | ols->flag_reg & FLAG_DEMUX ? "on" : "off"); | |
69890f73 | 974 | if (send_longcommand(ols->serial->fd, CMD_SET_DIVIDER, |
4fe9a6da BV |
975 | reverse32(ols->cur_samplerate_divider)) != SR_OK) |
976 | return SR_ERR; | |
a1bb33af | 977 | |
43fc7885 | 978 | /* Send sample limit and pre/post-trigger capture ratio. */ |
a803c0db BV |
979 | data = ((readcount - 1) & 0xffff) << 16; |
980 | data |= (delaycount - 1) & 0xffff; | |
69890f73 | 981 | if (send_longcommand(ols->serial->fd, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK) |
e46b8fb1 | 982 | return SR_ERR; |
a1bb33af | 983 | |
43fc7885 | 984 | /* The flag register wants them here, and 1 means "disable channel". */ |
4fe9a6da BV |
985 | ols->flag_reg |= ~(changrp_mask << 2) & 0x3c; |
986 | ols->flag_reg |= FLAG_FILTER; | |
3a4d09c0 GM |
987 | ols->rle_count = 0; |
988 | data = (ols->flag_reg << 24) | ((ols->flag_reg << 8) & 0xff0000); | |
69890f73 | 989 | if (send_longcommand(ols->serial->fd, CMD_SET_FLAGS, data) != SR_OK) |
e46b8fb1 | 990 | return SR_ERR; |
a1bb33af | 991 | |
43fc7885 | 992 | /* Start acquisition on the device. */ |
69890f73 | 993 | if (send_shortcommand(ols->serial->fd, CMD_RUN) != SR_OK) |
e46b8fb1 | 994 | return SR_ERR; |
a1bb33af | 995 | |
69890f73 | 996 | sr_source_add(ols->serial->fd, G_IO_IN, -1, receive_data, |
9c939c51 | 997 | session_data); |
a1bb33af | 998 | |
b53738ba UH |
999 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { |
1000 | sr_err("ols: %s: packet malloc failed", __func__); | |
1001 | return SR_ERR_MALLOC; | |
1002 | } | |
1003 | ||
1004 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { | |
1005 | sr_err("ols: %s: header malloc failed", __func__); | |
c0a4b971 | 1006 | g_free(packet); |
b53738ba UH |
1007 | return SR_ERR_MALLOC; |
1008 | } | |
1009 | ||
43fc7885 | 1010 | /* Send header packet to the session bus. */ |
5a2326a7 | 1011 | packet->type = SR_DF_HEADER; |
43fc7885 | 1012 | packet->payload = (unsigned char *)header; |
a1bb33af UH |
1013 | header->feed_version = 1; |
1014 | gettimeofday(&header->starttime, NULL); | |
4fe9a6da | 1015 | header->samplerate = ols->cur_samplerate; |
c2616fb9 DR |
1016 | header->num_logic_probes = NUM_PROBES; |
1017 | header->num_analog_probes = 0; | |
9c939c51 | 1018 | sr_session_bus(session_data, packet); |
c0a4b971 | 1019 | |
a1bb33af UH |
1020 | g_free(header); |
1021 | g_free(packet); | |
1022 | ||
e46b8fb1 | 1023 | return SR_OK; |
a1bb33af UH |
1024 | } |
1025 | ||
a1bb33af UH |
1026 | static void hw_stop_acquisition(int device_index, gpointer session_device_id) |
1027 | { | |
b9c735a2 | 1028 | struct sr_datafeed_packet packet; |
a1bb33af | 1029 | |
17e1afcb | 1030 | /* Avoid compiler warnings. */ |
cb93f8a9 | 1031 | (void)device_index; |
afc8e4de | 1032 | |
5a2326a7 | 1033 | packet.type = SR_DF_END; |
8a2efef2 | 1034 | sr_session_bus(session_device_id, &packet); |
a1bb33af UH |
1035 | } |
1036 | ||
5c2d46d1 | 1037 | struct sr_device_plugin ols_plugin_info = { |
e519ba86 UH |
1038 | .name = "ols", |
1039 | .longname = "Openbench Logic Sniffer", | |
1040 | .api_version = 1, | |
1041 | .init = hw_init, | |
1042 | .cleanup = hw_cleanup, | |
86f5e3d8 UH |
1043 | .opendev = hw_opendev, |
1044 | .closedev = hw_closedev, | |
e519ba86 UH |
1045 | .get_device_info = hw_get_device_info, |
1046 | .get_status = hw_get_status, | |
1047 | .get_capabilities = hw_get_capabilities, | |
1048 | .set_configuration = hw_set_configuration, | |
1049 | .start_acquisition = hw_start_acquisition, | |
1050 | .stop_acquisition = hw_stop_acquisition, | |
a1bb33af | 1051 | }; |