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Commit | Line | Data |
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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
01469707 | 4 | * Copyright (C) 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 <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); | |
69890f73 | 220 | ols->serial = NULL; |
4fe9a6da BV |
221 | |
222 | return ols; | |
223 | } | |
224 | ||
225 | static struct sr_device_instance *get_metadata(int fd) | |
226 | { | |
227 | struct sr_device_instance *sdi; | |
228 | struct ols_device *ols; | |
229 | uint32_t tmp_int; | |
230 | uint8_t key, type, token; | |
231 | GString *tmp_str, *devicename, *version; | |
232 | gchar tmp_c; | |
233 | ||
234 | sdi = sr_device_instance_new(0, SR_ST_INACTIVE, NULL, NULL, NULL); | |
235 | ols = ols_device_new(); | |
236 | sdi->priv = ols; | |
237 | ||
238 | devicename = g_string_new(""); | |
239 | version = g_string_new(""); | |
240 | ||
241 | key = 0xff; | |
242 | while (key) { | |
243 | if (serial_read(fd, &key, 1) != 1 || key == 0x00) | |
244 | break; | |
245 | type = key >> 5; | |
246 | token = key & 0x1f; | |
247 | switch (type) { | |
248 | case 0: | |
249 | /* NULL-terminated string */ | |
250 | tmp_str = g_string_new(""); | |
251 | while (serial_read(fd, &tmp_c, 1) == 1 && tmp_c != '\0') | |
252 | g_string_append_c(tmp_str, tmp_c); | |
b08024a8 UH |
253 | sr_dbg("ols: got metadata key 0x%.2x value '%s'", |
254 | key, tmp_str->str); | |
4fe9a6da BV |
255 | switch (token) { |
256 | case 0x01: | |
257 | /* Device name */ | |
258 | devicename = g_string_append(devicename, tmp_str->str); | |
259 | break; | |
260 | case 0x02: | |
261 | /* FPGA firmware version */ | |
262 | if (version->len) | |
263 | g_string_append(version, ", "); | |
264 | g_string_append(version, "FPGA version "); | |
265 | g_string_append(version, tmp_str->str); | |
266 | break; | |
267 | case 0x03: | |
268 | /* Ancillary version */ | |
269 | if (version->len) | |
270 | g_string_append(version, ", "); | |
271 | g_string_append(version, "Ancillary version "); | |
272 | g_string_append(version, tmp_str->str); | |
273 | break; | |
274 | default: | |
b08024a8 UH |
275 | sr_info("ols: unknown token 0x%.2x: '%s'", |
276 | token, tmp_str->str); | |
4fe9a6da BV |
277 | break; |
278 | } | |
279 | g_string_free(tmp_str, TRUE); | |
280 | break; | |
281 | case 1: | |
282 | /* 32-bit unsigned integer */ | |
283 | if (serial_read(fd, &tmp_int, 4) != 4) | |
284 | break; | |
285 | tmp_int = reverse32(tmp_int); | |
b08024a8 UH |
286 | sr_dbg("ols: got metadata key 0x%.2x value 0x%.8x", |
287 | key, tmp_int); | |
4fe9a6da BV |
288 | switch (token) { |
289 | case 0x00: | |
290 | /* Number of usable probes */ | |
291 | ols->num_probes = tmp_int; | |
292 | break; | |
293 | case 0x01: | |
294 | /* Amount of sample memory available (bytes) */ | |
295 | ols->max_samples = tmp_int; | |
296 | break; | |
297 | case 0x02: | |
298 | /* Amount of dynamic memory available (bytes) */ | |
299 | /* what is this for? */ | |
300 | break; | |
301 | case 0x03: | |
302 | /* Maximum sample rate (hz) */ | |
303 | ols->max_samplerate = tmp_int; | |
304 | break; | |
305 | case 0x04: | |
306 | /* protocol version */ | |
307 | ols->protocol_version = tmp_int; | |
308 | break; | |
309 | default: | |
b08024a8 UH |
310 | sr_info("ols: unknown token 0x%.2x: 0x%.8x", |
311 | token, tmp_int); | |
4fe9a6da BV |
312 | break; |
313 | } | |
314 | break; | |
315 | case 2: | |
316 | /* 8-bit unsigned integer */ | |
317 | if (serial_read(fd, &tmp_c, 1) != 1) | |
318 | break; | |
b08024a8 UH |
319 | sr_dbg("ols: got metadata key 0x%.2x value 0x%.2x", |
320 | key, tmp_c); | |
4fe9a6da BV |
321 | switch (token) { |
322 | case 0x00: | |
323 | /* Number of usable probes */ | |
324 | ols->num_probes = tmp_c; | |
325 | break; | |
326 | case 0x01: | |
327 | /* protocol version */ | |
328 | ols->protocol_version = tmp_c; | |
329 | break; | |
330 | default: | |
b08024a8 UH |
331 | sr_info("ols: unknown token 0x%.2x: 0x%.2x", |
332 | token, tmp_c); | |
4fe9a6da BV |
333 | break; |
334 | } | |
335 | break; | |
336 | default: | |
337 | /* unknown type */ | |
338 | break; | |
339 | } | |
340 | } | |
341 | ||
342 | sdi->model = devicename->str; | |
343 | sdi->version = version->str; | |
344 | g_string_free(devicename, FALSE); | |
345 | g_string_free(version, FALSE); | |
346 | ||
347 | return sdi; | |
348 | } | |
349 | ||
54ac5277 | 350 | static int hw_init(const char *deviceinfo) |
a1bb33af | 351 | { |
a00ba012 | 352 | struct sr_device_instance *sdi; |
4fe9a6da | 353 | struct ols_device *ols; |
a1bb33af | 354 | GSList *ports, *l; |
4fe9a6da | 355 | GPollFD *fds, probefd; |
6937bb75 | 356 | int devcnt, final_devcnt, num_ports, fd, ret, i; |
d02a535e | 357 | char buf[8], **device_names, **serial_params; |
a1bb33af | 358 | |
c0a4b971 UH |
359 | final_devcnt = 0; |
360 | ||
43fc7885 | 361 | if (deviceinfo) |
6937bb75 | 362 | ports = g_slist_append(NULL, strdup(deviceinfo)); |
a1bb33af | 363 | else |
43fc7885 | 364 | /* No specific device given, so scan all serial ports. */ |
a1bb33af UH |
365 | ports = list_serial_ports(); |
366 | ||
367 | num_ports = g_slist_length(ports); | |
c0a4b971 UH |
368 | |
369 | if (!(fds = g_try_malloc0(num_ports * sizeof(GPollFD)))) { | |
370 | sr_err("ols: %s: fds malloc failed", __func__); | |
371 | goto hw_init_free_ports; /* TODO: SR_ERR_MALLOC. */ | |
372 | } | |
373 | ||
374 | if (!(device_names = g_try_malloc(num_ports * sizeof(char *)))) { | |
375 | sr_err("ols: %s: device_names malloc failed", __func__); | |
376 | goto hw_init_free_fds; /* TODO: SR_ERR_MALLOC. */ | |
377 | } | |
378 | ||
379 | if (!(serial_params = g_try_malloc(num_ports * sizeof(char *)))) { | |
380 | sr_err("ols: %s: serial_params malloc failed", __func__); | |
381 | goto hw_init_free_device_names; /* TODO: SR_ERR_MALLOC. */ | |
382 | } | |
383 | ||
a1bb33af | 384 | devcnt = 0; |
43fc7885 UH |
385 | for (l = ports; l; l = l->next) { |
386 | /* The discovery procedure is like this: first send the Reset | |
387 | * command (0x00) 5 times, since the device could be anywhere | |
388 | * in a 5-byte command. Then send the ID command (0x02). | |
389 | * If the device responds with 4 bytes ("OLS1" or "SLA1"), we | |
390 | * have a match. | |
391 | * | |
392 | * Since it may take the device a while to respond at 115Kb/s, | |
393 | * we do all the sending first, then wait for all of them to | |
394 | * respond with g_poll(). | |
a1bb33af | 395 | */ |
b08024a8 | 396 | sr_info("ols: probing %s...", (char *)l->data); |
d02a535e | 397 | fd = serial_open(l->data, O_RDWR | O_NONBLOCK); |
43fc7885 | 398 | if (fd != -1) { |
d02a535e BV |
399 | serial_params[devcnt] = serial_backup_params(fd); |
400 | serial_set_params(fd, 115200, 8, 0, 1, 2); | |
e46b8fb1 | 401 | ret = SR_OK; |
43fc7885 UH |
402 | for (i = 0; i < 5; i++) { |
403 | if ((ret = send_shortcommand(fd, | |
e46b8fb1 | 404 | CMD_RESET)) != SR_OK) { |
43fc7885 | 405 | /* Serial port is not writable. */ |
6937bb75 BV |
406 | break; |
407 | } | |
a1bb33af | 408 | } |
e46b8fb1 | 409 | if (ret != SR_OK) { |
43fc7885 UH |
410 | serial_restore_params(fd, |
411 | serial_params[devcnt]); | |
d02a535e | 412 | serial_close(fd); |
6937bb75 | 413 | continue; |
d02a535e | 414 | } |
6937bb75 BV |
415 | send_shortcommand(fd, CMD_ID); |
416 | fds[devcnt].fd = fd; | |
417 | fds[devcnt].events = G_IO_IN; | |
418 | device_names[devcnt] = strdup(l->data); | |
419 | devcnt++; | |
a1bb33af | 420 | } |
6937bb75 | 421 | free(l->data); |
a1bb33af UH |
422 | } |
423 | ||
5b15b41e PS |
424 | /* 2ms isn't enough for reliable transfer with pl2303, let's try 10 */ |
425 | usleep(10000); | |
a1bb33af | 426 | |
a1bb33af | 427 | g_poll(fds, devcnt, 1); |
4fe9a6da | 428 | |
43fc7885 | 429 | for (i = 0; i < devcnt; i++) { |
4fe9a6da BV |
430 | if (fds[i].revents != G_IO_IN) |
431 | continue; | |
432 | if (serial_read(fds[i].fd, buf, 4) != 4) | |
433 | continue; | |
434 | if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4)) | |
435 | continue; | |
436 | ||
437 | /* definitely using the OLS protocol, check if it supports | |
438 | * the metadata command | |
439 | */ | |
440 | send_shortcommand(fds[i].fd, CMD_METADATA); | |
441 | probefd.fd = fds[i].fd; | |
442 | probefd.events = G_IO_IN; | |
443 | if (g_poll(&probefd, 1, 10) > 0) { | |
444 | /* got metadata */ | |
445 | sdi = get_metadata(fds[i].fd); | |
446 | sdi->index = final_devcnt; | |
447 | } else { | |
448 | /* not an OLS -- some other board that uses the sump protocol */ | |
449 | sdi = sr_device_instance_new(final_devcnt, SR_ST_INACTIVE, | |
450 | "Sump", "Logic Analyzer", "v1.0"); | |
451 | ols = ols_device_new(); | |
452 | ols->num_probes = 32; | |
453 | sdi->priv = ols; | |
a1bb33af | 454 | } |
69890f73 | 455 | ols->serial = sr_serial_device_instance_new(device_names[i], -1); |
4fe9a6da BV |
456 | device_instances = g_slist_append(device_instances, sdi); |
457 | final_devcnt++; | |
458 | serial_close(fds[i].fd); | |
459 | fds[i].fd = 0; | |
4fe9a6da BV |
460 | } |
461 | ||
462 | /* clean up after all the probing */ | |
463 | for (i = 0; i < devcnt; i++) { | |
43fc7885 | 464 | if (fds[i].fd != 0) { |
d02a535e BV |
465 | serial_restore_params(fds[i].fd, serial_params[i]); |
466 | serial_close(fds[i].fd); | |
6937bb75 | 467 | } |
d02a535e | 468 | free(serial_params[i]); |
4fe9a6da | 469 | free(device_names[i]); |
a1bb33af UH |
470 | } |
471 | ||
c0a4b971 UH |
472 | g_free(serial_params); |
473 | hw_init_free_device_names: | |
474 | g_free(device_names); | |
475 | hw_init_free_fds: | |
476 | g_free(fds); | |
477 | hw_init_free_ports: | |
a1bb33af UH |
478 | g_slist_free(ports); |
479 | ||
480 | return final_devcnt; | |
481 | } | |
482 | ||
a1bb33af UH |
483 | static int hw_opendev(int device_index) |
484 | { | |
a00ba012 | 485 | struct sr_device_instance *sdi; |
69890f73 | 486 | struct ols_device *ols; |
a1bb33af | 487 | |
d32d961d | 488 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 489 | return SR_ERR; |
a1bb33af | 490 | |
69890f73 UH |
491 | ols = sdi->priv; |
492 | ||
493 | ols->serial->fd = serial_open(ols->serial->port, O_RDWR); | |
494 | if (ols->serial->fd == -1) | |
e46b8fb1 | 495 | return SR_ERR; |
a1bb33af | 496 | |
5a2326a7 | 497 | sdi->status = SR_ST_ACTIVE; |
a1bb33af | 498 | |
e46b8fb1 | 499 | return SR_OK; |
a1bb33af UH |
500 | } |
501 | ||
697785d1 | 502 | static int hw_closedev(int device_index) |
a1bb33af | 503 | { |
a00ba012 | 504 | struct sr_device_instance *sdi; |
69890f73 | 505 | struct ols_device *ols; |
a1bb33af | 506 | |
697785d1 UH |
507 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) { |
508 | sr_err("ols: %s: sdi was NULL", __func__); | |
509 | return SR_ERR; /* TODO: SR_ERR_ARG? */ | |
510 | } | |
a1bb33af | 511 | |
69890f73 UH |
512 | ols = sdi->priv; |
513 | ||
697785d1 | 514 | /* TODO */ |
69890f73 UH |
515 | if (ols->serial->fd != -1) { |
516 | serial_close(ols->serial->fd); | |
517 | ols->serial->fd = -1; | |
5a2326a7 | 518 | sdi->status = SR_ST_INACTIVE; |
a1bb33af | 519 | } |
697785d1 UH |
520 | |
521 | return SR_OK; | |
a1bb33af UH |
522 | } |
523 | ||
a1bb33af UH |
524 | static void hw_cleanup(void) |
525 | { | |
526 | GSList *l; | |
a00ba012 | 527 | struct sr_device_instance *sdi; |
69890f73 | 528 | struct ols_device *ols; |
a1bb33af | 529 | |
8722c31e | 530 | /* Properly close and free all devices. */ |
43fc7885 | 531 | for (l = device_instances; l; l = l->next) { |
a1bb33af | 532 | sdi = l->data; |
69890f73 UH |
533 | ols = sdi->priv; |
534 | if (ols->serial->fd != -1) | |
535 | serial_close(ols->serial->fd); | |
536 | sr_serial_device_instance_free(ols->serial); | |
a00ba012 | 537 | sr_device_instance_free(sdi); |
a1bb33af UH |
538 | } |
539 | g_slist_free(device_instances); | |
540 | device_instances = NULL; | |
a1bb33af UH |
541 | } |
542 | ||
a1bb33af UH |
543 | static void *hw_get_device_info(int device_index, int device_info_id) |
544 | { | |
a00ba012 | 545 | struct sr_device_instance *sdi; |
4fe9a6da | 546 | struct ols_device *ols; |
a1bb33af UH |
547 | void *info; |
548 | ||
d32d961d | 549 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
a1bb33af | 550 | return NULL; |
4fe9a6da | 551 | ols = sdi->priv; |
a1bb33af UH |
552 | |
553 | info = NULL; | |
43fc7885 | 554 | switch (device_info_id) { |
5a2326a7 | 555 | case SR_DI_INSTANCE: |
a1bb33af UH |
556 | info = sdi; |
557 | break; | |
5a2326a7 | 558 | case SR_DI_NUM_PROBES: |
a1bb33af UH |
559 | info = GINT_TO_POINTER(NUM_PROBES); |
560 | break; | |
464d12c7 KS |
561 | case SR_DI_PROBE_NAMES: |
562 | info = probe_names; | |
563 | break; | |
5a2326a7 | 564 | case SR_DI_SAMPLERATES: |
a1bb33af UH |
565 | info = &samplerates; |
566 | break; | |
5a2326a7 | 567 | case SR_DI_TRIGGER_TYPES: |
43fc7885 | 568 | info = (char *)TRIGGER_TYPES; |
a1bb33af | 569 | break; |
5a2326a7 | 570 | case SR_DI_CUR_SAMPLERATE: |
4fe9a6da | 571 | info = &ols->cur_samplerate; |
a1bb33af UH |
572 | break; |
573 | } | |
574 | ||
575 | return info; | |
576 | } | |
577 | ||
a1bb33af UH |
578 | static int hw_get_status(int device_index) |
579 | { | |
a00ba012 | 580 | struct sr_device_instance *sdi; |
a1bb33af | 581 | |
d32d961d | 582 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
5a2326a7 | 583 | return SR_ST_NOT_FOUND; |
a1bb33af UH |
584 | |
585 | return sdi->status; | |
586 | } | |
587 | ||
a1bb33af UH |
588 | static int *hw_get_capabilities(void) |
589 | { | |
a1bb33af UH |
590 | return capabilities; |
591 | } | |
592 | ||
a00ba012 | 593 | static int set_configuration_samplerate(struct sr_device_instance *sdi, |
43fc7885 | 594 | uint64_t samplerate) |
a1bb33af | 595 | { |
4fe9a6da | 596 | struct ols_device *ols; |
a1bb33af | 597 | |
4fe9a6da BV |
598 | ols = sdi->priv; |
599 | if (ols->max_samplerate) { | |
600 | if (samplerate > ols->max_samplerate) | |
601 | return SR_ERR_SAMPLERATE; | |
602 | } else if (samplerate < samplerates.low || samplerate > samplerates.high) | |
e46b8fb1 | 603 | return SR_ERR_SAMPLERATE; |
a1bb33af | 604 | |
43fc7885 | 605 | if (samplerate > CLOCK_RATE) { |
4fe9a6da BV |
606 | ols->flag_reg |= FLAG_DEMUX; |
607 | ols->cur_samplerate_divider = (CLOCK_RATE * 2 / samplerate) - 1; | |
43fc7885 | 608 | } else { |
4fe9a6da BV |
609 | ols->flag_reg &= ~FLAG_DEMUX; |
610 | ols->cur_samplerate_divider = (CLOCK_RATE / samplerate) - 1; | |
a1bb33af | 611 | } |
a1bb33af | 612 | |
7583b99d GM |
613 | /* Calculate actual samplerate used and complain if it is different |
614 | * from the requested. | |
615 | */ | |
616 | ols->cur_samplerate = CLOCK_RATE / (ols->cur_samplerate_divider + 1); | |
617 | if(ols->flag_reg & FLAG_DEMUX) | |
618 | ols->cur_samplerate *= 2; | |
7583b99d GM |
619 | if(ols->cur_samplerate != samplerate) |
620 | sr_warn("ols: can't match samplerate %" PRIu64 ", using %" PRIu64, | |
621 | samplerate, ols->cur_samplerate); | |
622 | ||
e46b8fb1 | 623 | return SR_OK; |
a1bb33af UH |
624 | } |
625 | ||
a1bb33af UH |
626 | static int hw_set_configuration(int device_index, int capability, void *value) |
627 | { | |
a00ba012 | 628 | struct sr_device_instance *sdi; |
4fe9a6da | 629 | struct ols_device *ols; |
a1bb33af UH |
630 | int ret; |
631 | uint64_t *tmp_u64; | |
632 | ||
d32d961d | 633 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 634 | return SR_ERR; |
4fe9a6da | 635 | ols = sdi->priv; |
a1bb33af | 636 | |
5a2326a7 | 637 | if (sdi->status != SR_ST_ACTIVE) |
e46b8fb1 | 638 | return SR_ERR; |
a1bb33af | 639 | |
a803c0db | 640 | switch (capability) { |
5a2326a7 | 641 | case SR_HWCAP_SAMPLERATE: |
a1bb33af UH |
642 | tmp_u64 = value; |
643 | ret = set_configuration_samplerate(sdi, *tmp_u64); | |
a803c0db | 644 | break; |
5a2326a7 | 645 | case SR_HWCAP_PROBECONFIG: |
4fe9a6da | 646 | ret = configure_probes(ols, (GSList *) value); |
a803c0db | 647 | break; |
5a2326a7 | 648 | case SR_HWCAP_LIMIT_SAMPLES: |
2458ea65 | 649 | tmp_u64 = value; |
574ce498 | 650 | if (*tmp_u64 < MIN_NUM_SAMPLES) |
e46b8fb1 | 651 | return SR_ERR; |
baf1d714 | 652 | if (*tmp_u64 > ols->max_samples) |
22130421 | 653 | sr_warn("ols: sample limit exceeds hw max"); |
4fe9a6da | 654 | ols->limit_samples = *tmp_u64; |
b08024a8 | 655 | sr_info("ols: sample limit %" PRIu64, ols->limit_samples); |
e46b8fb1 | 656 | ret = SR_OK; |
a803c0db | 657 | break; |
5a2326a7 | 658 | case SR_HWCAP_CAPTURE_RATIO: |
a803c0db | 659 | tmp_u64 = value; |
4fe9a6da BV |
660 | ols->capture_ratio = *tmp_u64; |
661 | if (ols->capture_ratio < 0 || ols->capture_ratio > 100) { | |
662 | ols->capture_ratio = 0; | |
e46b8fb1 | 663 | ret = SR_ERR; |
43fc7885 | 664 | } else |
e46b8fb1 | 665 | ret = SR_OK; |
a803c0db | 666 | break; |
3a4d09c0 | 667 | case SR_HWCAP_RLE: |
4d436e71 | 668 | if (GPOINTER_TO_INT(value)) { |
3a4d09c0 GM |
669 | sr_info("ols: enabling RLE"); |
670 | ols->flag_reg |= FLAG_RLE; | |
671 | } | |
672 | ret = SR_OK; | |
673 | break; | |
a803c0db | 674 | default: |
e46b8fb1 | 675 | ret = SR_ERR; |
43fc7885 | 676 | } |
a1bb33af UH |
677 | |
678 | return ret; | |
679 | } | |
680 | ||
9c939c51 | 681 | static int receive_data(int fd, int revents, void *session_data) |
a1bb33af | 682 | { |
b9c735a2 | 683 | struct sr_datafeed_packet packet; |
9c939c51 | 684 | struct sr_datafeed_logic logic; |
4fe9a6da BV |
685 | struct sr_device_instance *sdi; |
686 | struct ols_device *ols; | |
687 | GSList *l; | |
3a4d09c0 GM |
688 | int num_channels, offset, i, j; |
689 | unsigned char byte; | |
a1bb33af | 690 | |
4fe9a6da BV |
691 | /* find this device's ols_device struct by its fd */ |
692 | ols = NULL; | |
693 | for (l = device_instances; l; l = l->next) { | |
694 | sdi = l->data; | |
69890f73 | 695 | if (ols->serial->fd == fd) { |
4fe9a6da BV |
696 | ols = sdi->priv; |
697 | break; | |
698 | } | |
699 | } | |
700 | if (!ols) | |
701 | /* shouldn't happen */ | |
702 | return TRUE; | |
703 | ||
704 | if (ols->num_transfers++ == 0) { | |
43fc7885 UH |
705 | /* |
706 | * First time round, means the device started sending data, | |
707 | * and will not stop until done. If it stops sending for | |
708 | * longer than it takes to send a byte, that means it's | |
709 | * finished. We'll double that to 30ms to be sure... | |
a1bb33af | 710 | */ |
6f1be0a2 | 711 | sr_source_remove(fd); |
9c939c51 | 712 | sr_source_add(fd, G_IO_IN, 30, receive_data, session_data); |
c0a4b971 UH |
713 | ols->raw_sample_buf = g_try_malloc(ols->limit_samples * 4); |
714 | if (!ols->raw_sample_buf) { | |
715 | sr_err("ols: %s: ols->raw_sample_buf malloc failed", | |
716 | __func__); | |
717 | return FALSE; | |
718 | } | |
a803c0db | 719 | /* fill with 1010... for debugging */ |
4fe9a6da | 720 | memset(ols->raw_sample_buf, 0x82, ols->limit_samples * 4); |
a1bb33af UH |
721 | } |
722 | ||
6937bb75 | 723 | num_channels = 0; |
43fc7885 | 724 | for (i = 0x20; i > 0x02; i /= 2) { |
4fe9a6da | 725 | if ((ols->flag_reg & i) == 0) |
6937bb75 | 726 | num_channels++; |
43fc7885 | 727 | } |
6937bb75 | 728 | |
3a4d09c0 | 729 | if (revents == G_IO_IN) { |
2119ab03 | 730 | if (serial_read(fd, &byte, 1) != 1) |
a1bb33af UH |
731 | return FALSE; |
732 | ||
baf1d714 UH |
733 | /* Ignore it if we've read enough. */ |
734 | if (ols->num_samples >= ols->limit_samples) | |
735 | return TRUE; | |
3a4d09c0 | 736 | |
4fe9a6da | 737 | ols->sample[ols->num_bytes++] = byte; |
b08024a8 | 738 | sr_dbg("ols: received byte 0x%.2x", byte); |
4fe9a6da | 739 | if (ols->num_bytes == num_channels) { |
43fc7885 | 740 | /* Got a full sample. */ |
b08024a8 | 741 | sr_dbg("ols: received sample 0x%.*x", |
baf1d714 | 742 | ols->num_bytes * 2, *(int *)ols->sample); |
4fe9a6da | 743 | if (ols->flag_reg & FLAG_RLE) { |
43fc7885 UH |
744 | /* |
745 | * In RLE mode -1 should never come in as a | |
746 | * sample, because bit 31 is the "count" flag. | |
43fc7885 | 747 | */ |
3a4d09c0 | 748 | if (ols->sample[ols->num_bytes - 1] & 0x80) { |
baf1d714 UH |
749 | ols->sample[ols->num_bytes - 1] &= 0x7f; |
750 | /* | |
751 | * FIXME: This will only work on | |
752 | * little-endian systems. | |
a1bb33af | 753 | */ |
baf1d714 | 754 | ols->rle_count = *(int *)(ols->sample); |
3a4d09c0 GM |
755 | sr_dbg("ols: RLE count = %d", ols->rle_count); |
756 | ols->num_bytes = 0; | |
757 | return TRUE; | |
baf1d714 | 758 | } |
3a4d09c0 GM |
759 | } |
760 | ols->num_samples += ols->rle_count + 1; | |
baf1d714 UH |
761 | if (ols->num_samples > ols->limit_samples) { |
762 | /* Save us from overrunning the buffer. */ | |
3a4d09c0 GM |
763 | ols->rle_count -= ols->num_samples - ols->limit_samples; |
764 | ols->num_samples = ols->limit_samples; | |
a1bb33af UH |
765 | } |
766 | ||
43fc7885 UH |
767 | if (num_channels < 4) { |
768 | /* | |
769 | * Some channel groups may have been turned | |
770 | * off, to speed up transfer between the | |
771 | * hardware and the PC. Expand that here before | |
772 | * submitting it over the session bus -- | |
773 | * whatever is listening on the bus will be | |
774 | * expecting a full 32-bit sample, based on | |
775 | * the number of probes. | |
6937bb75 BV |
776 | */ |
777 | j = 0; | |
4fe9a6da | 778 | memset(ols->tmp_sample, 0, 4); |
43fc7885 | 779 | for (i = 0; i < 4; i++) { |
4fe9a6da | 780 | if (((ols->flag_reg >> 2) & (1 << i)) == 0) { |
43fc7885 UH |
781 | /* |
782 | * This channel group was | |
783 | * enabled, copy from received | |
784 | * sample. | |
785 | */ | |
4fe9a6da | 786 | ols->tmp_sample[i] = ols->sample[j++]; |
6937bb75 BV |
787 | } |
788 | } | |
4fe9a6da | 789 | memcpy(ols->sample, ols->tmp_sample, 4); |
baf1d714 | 790 | sr_dbg("ols: full sample 0x%.8x", *(int *)ols->sample); |
6937bb75 BV |
791 | } |
792 | ||
a803c0db BV |
793 | /* the OLS sends its sample buffer backwards. |
794 | * store it in reverse order here, so we can dump | |
795 | * this on the session bus later. | |
796 | */ | |
3a4d09c0 | 797 | offset = (ols->limit_samples - ols->num_samples) * 4; |
baf1d714 UH |
798 | for (i = 0; i <= ols->rle_count; i++) { |
799 | memcpy(ols->raw_sample_buf + offset + (i * 4), | |
800 | ols->sample, 4); | |
801 | } | |
4fe9a6da BV |
802 | memset(ols->sample, 0, 4); |
803 | ols->num_bytes = 0; | |
3a4d09c0 | 804 | ols->rle_count = 0; |
a1bb33af | 805 | } |
43fc7885 UH |
806 | } else { |
807 | /* | |
808 | * This is the main loop telling us a timeout was reached, or | |
809 | * we've acquired all the samples we asked for -- we're done. | |
a803c0db | 810 | * Send the (properly-ordered) buffer to the frontend. |
43fc7885 | 811 | */ |
4fe9a6da | 812 | if (ols->trigger_at != -1) { |
a803c0db BV |
813 | /* a trigger was set up, so we need to tell the frontend |
814 | * about it. | |
815 | */ | |
4fe9a6da | 816 | if (ols->trigger_at > 0) { |
a803c0db | 817 | /* there are pre-trigger samples, send those first */ |
5a2326a7 | 818 | packet.type = SR_DF_LOGIC; |
9c939c51 BV |
819 | packet.payload = &logic; |
820 | logic.length = ols->trigger_at * 4; | |
821 | logic.unitsize = 4; | |
baf1d714 | 822 | logic.data = ols->raw_sample_buf + |
22130421 | 823 | (ols->limit_samples - ols->num_samples) * 4; |
9c939c51 | 824 | sr_session_bus(session_data, &packet); |
a803c0db BV |
825 | } |
826 | ||
9c939c51 | 827 | /* send the trigger */ |
5a2326a7 | 828 | packet.type = SR_DF_TRIGGER; |
9c939c51 | 829 | sr_session_bus(session_data, &packet); |
a803c0db | 830 | |
9c939c51 | 831 | /* send post-trigger samples */ |
5a2326a7 | 832 | packet.type = SR_DF_LOGIC; |
9c939c51 | 833 | packet.payload = &logic; |
22130421 | 834 | logic.length = (ols->num_samples * 4) - (ols->trigger_at * 4); |
9c939c51 | 835 | logic.unitsize = 4; |
22130421 GM |
836 | logic.data = ols->raw_sample_buf + ols->trigger_at * 4 + |
837 | (ols->limit_samples - ols->num_samples) * 4; | |
9c939c51 | 838 | sr_session_bus(session_data, &packet); |
a803c0db | 839 | } else { |
9c939c51 | 840 | /* no trigger was used */ |
5a2326a7 | 841 | packet.type = SR_DF_LOGIC; |
9c939c51 | 842 | packet.payload = &logic; |
22130421 | 843 | logic.length = ols->num_samples * 4; |
9c939c51 | 844 | logic.unitsize = 4; |
22130421 GM |
845 | logic.data = ols->raw_sample_buf + |
846 | (ols->limit_samples - ols->num_samples) * 4; | |
9c939c51 | 847 | sr_session_bus(session_data, &packet); |
a803c0db | 848 | } |
c0a4b971 | 849 | g_free(ols->raw_sample_buf); |
a803c0db | 850 | |
06d64eb8 | 851 | serial_flush(fd); |
d02a535e | 852 | serial_close(fd); |
5a2326a7 | 853 | packet.type = SR_DF_END; |
9c939c51 | 854 | sr_session_bus(session_data, &packet); |
a1bb33af UH |
855 | } |
856 | ||
857 | return TRUE; | |
858 | } | |
859 | ||
9c939c51 | 860 | static int hw_start_acquisition(int device_index, gpointer session_data) |
a1bb33af | 861 | { |
b9c735a2 UH |
862 | struct sr_datafeed_packet *packet; |
863 | struct sr_datafeed_header *header; | |
a00ba012 | 864 | struct sr_device_instance *sdi; |
4fe9a6da | 865 | struct ols_device *ols; |
a803c0db | 866 | uint32_t trigger_config[4]; |
a1bb33af | 867 | uint32_t data; |
6937bb75 BV |
868 | uint16_t readcount, delaycount; |
869 | uint8_t changrp_mask; | |
22130421 | 870 | int num_channels; |
4fe9a6da | 871 | int i; |
a1bb33af | 872 | |
d32d961d | 873 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 874 | return SR_ERR; |
c0a4b971 | 875 | |
4fe9a6da | 876 | ols = sdi->priv; |
a1bb33af | 877 | |
5a2326a7 | 878 | if (sdi->status != SR_ST_ACTIVE) |
e46b8fb1 | 879 | return SR_ERR; |
a1bb33af | 880 | |
22130421 GM |
881 | /* |
882 | * Enable/disable channel groups in the flag register according to the | |
baf1d714 | 883 | * probe mask. Calculate this here, because num_channels is needed |
22130421 GM |
884 | * to limit readcount. |
885 | */ | |
886 | changrp_mask = 0; | |
887 | num_channels = 0; | |
888 | for (i = 0; i < 4; i++) { | |
889 | if (ols->probe_mask & (0xff << (i * 8))) { | |
890 | changrp_mask |= (1 << i); | |
891 | num_channels++; | |
892 | } | |
893 | } | |
894 | ||
baf1d714 UH |
895 | /* |
896 | * Limit readcount to prevent reading past the end of the hardware | |
22130421 GM |
897 | * buffer. |
898 | */ | |
899 | readcount = MIN(ols->max_samples / num_channels, ols->limit_samples) / 4; | |
a803c0db BV |
900 | |
901 | memset(trigger_config, 0, 16); | |
4fe9a6da BV |
902 | trigger_config[ols->num_stages - 1] |= 0x08; |
903 | if (ols->trigger_mask[0]) { | |
904 | delaycount = readcount * (1 - ols->capture_ratio / 100.0); | |
905 | ols->trigger_at = (readcount - delaycount) * 4 - ols->num_stages; | |
a803c0db | 906 | |
69890f73 | 907 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_0, |
4fe9a6da | 908 | reverse32(ols->trigger_mask[0])) != SR_OK) |
e46b8fb1 | 909 | return SR_ERR; |
69890f73 | 910 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_0, |
4fe9a6da | 911 | reverse32(ols->trigger_value[0])) != SR_OK) |
e46b8fb1 | 912 | return SR_ERR; |
69890f73 | 913 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_0, |
e46b8fb1 UH |
914 | trigger_config[0]) != SR_OK) |
915 | return SR_ERR; | |
6937bb75 | 916 | |
69890f73 | 917 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_1, |
4fe9a6da | 918 | reverse32(ols->trigger_mask[1])) != SR_OK) |
e46b8fb1 | 919 | return SR_ERR; |
69890f73 | 920 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_1, |
4fe9a6da | 921 | reverse32(ols->trigger_value[1])) != SR_OK) |
e46b8fb1 | 922 | return SR_ERR; |
69890f73 | 923 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_1, |
e46b8fb1 UH |
924 | trigger_config[1]) != SR_OK) |
925 | return SR_ERR; | |
6937bb75 | 926 | |
69890f73 | 927 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_2, |
4fe9a6da | 928 | reverse32(ols->trigger_mask[2])) != SR_OK) |
e46b8fb1 | 929 | return SR_ERR; |
69890f73 | 930 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_2, |
4fe9a6da | 931 | reverse32(ols->trigger_value[2])) != SR_OK) |
e46b8fb1 | 932 | return SR_ERR; |
69890f73 | 933 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_2, |
e46b8fb1 UH |
934 | trigger_config[2]) != SR_OK) |
935 | return SR_ERR; | |
a803c0db | 936 | |
69890f73 | 937 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_3, |
4fe9a6da | 938 | reverse32(ols->trigger_mask[3])) != SR_OK) |
e46b8fb1 | 939 | return SR_ERR; |
69890f73 | 940 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_3, |
4fe9a6da | 941 | reverse32(ols->trigger_value[3])) != SR_OK) |
e46b8fb1 | 942 | return SR_ERR; |
69890f73 | 943 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_3, |
e46b8fb1 UH |
944 | trigger_config[3]) != SR_OK) |
945 | return SR_ERR; | |
6937bb75 | 946 | } else { |
69890f73 | 947 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_0, |
4fe9a6da | 948 | ols->trigger_mask[0]) != SR_OK) |
e46b8fb1 | 949 | return SR_ERR; |
69890f73 | 950 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_0, |
4fe9a6da | 951 | ols->trigger_value[0]) != SR_OK) |
e46b8fb1 | 952 | return SR_ERR; |
69890f73 | 953 | if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_0, |
e46b8fb1 UH |
954 | 0x00000008) != SR_OK) |
955 | return SR_ERR; | |
a803c0db | 956 | delaycount = readcount; |
6937bb75 | 957 | } |
a1bb33af | 958 | |
b08024a8 UH |
959 | sr_info("ols: setting samplerate to %" PRIu64 " Hz (divider %u, " |
960 | "demux %s)", ols->cur_samplerate, ols->cur_samplerate_divider, | |
961 | ols->flag_reg & FLAG_DEMUX ? "on" : "off"); | |
69890f73 | 962 | if (send_longcommand(ols->serial->fd, CMD_SET_DIVIDER, |
4fe9a6da BV |
963 | reverse32(ols->cur_samplerate_divider)) != SR_OK) |
964 | return SR_ERR; | |
a1bb33af | 965 | |
43fc7885 | 966 | /* Send sample limit and pre/post-trigger capture ratio. */ |
a803c0db BV |
967 | data = ((readcount - 1) & 0xffff) << 16; |
968 | data |= (delaycount - 1) & 0xffff; | |
69890f73 | 969 | if (send_longcommand(ols->serial->fd, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK) |
e46b8fb1 | 970 | return SR_ERR; |
a1bb33af | 971 | |
43fc7885 | 972 | /* The flag register wants them here, and 1 means "disable channel". */ |
4fe9a6da BV |
973 | ols->flag_reg |= ~(changrp_mask << 2) & 0x3c; |
974 | ols->flag_reg |= FLAG_FILTER; | |
3a4d09c0 GM |
975 | ols->rle_count = 0; |
976 | data = (ols->flag_reg << 24) | ((ols->flag_reg << 8) & 0xff0000); | |
69890f73 | 977 | if (send_longcommand(ols->serial->fd, CMD_SET_FLAGS, data) != SR_OK) |
e46b8fb1 | 978 | return SR_ERR; |
a1bb33af | 979 | |
43fc7885 | 980 | /* Start acquisition on the device. */ |
69890f73 | 981 | if (send_shortcommand(ols->serial->fd, CMD_RUN) != SR_OK) |
e46b8fb1 | 982 | return SR_ERR; |
a1bb33af | 983 | |
69890f73 | 984 | sr_source_add(ols->serial->fd, G_IO_IN, -1, receive_data, |
9c939c51 | 985 | session_data); |
a1bb33af | 986 | |
b53738ba UH |
987 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { |
988 | sr_err("ols: %s: packet malloc failed", __func__); | |
989 | return SR_ERR_MALLOC; | |
990 | } | |
991 | ||
992 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { | |
993 | sr_err("ols: %s: header malloc failed", __func__); | |
c0a4b971 | 994 | g_free(packet); |
b53738ba UH |
995 | return SR_ERR_MALLOC; |
996 | } | |
997 | ||
43fc7885 | 998 | /* Send header packet to the session bus. */ |
5a2326a7 | 999 | packet->type = SR_DF_HEADER; |
43fc7885 | 1000 | packet->payload = (unsigned char *)header; |
a1bb33af UH |
1001 | header->feed_version = 1; |
1002 | gettimeofday(&header->starttime, NULL); | |
4fe9a6da | 1003 | header->samplerate = ols->cur_samplerate; |
c2616fb9 DR |
1004 | header->num_logic_probes = NUM_PROBES; |
1005 | header->num_analog_probes = 0; | |
9c939c51 | 1006 | sr_session_bus(session_data, packet); |
c0a4b971 | 1007 | |
a1bb33af UH |
1008 | g_free(header); |
1009 | g_free(packet); | |
1010 | ||
e46b8fb1 | 1011 | return SR_OK; |
a1bb33af UH |
1012 | } |
1013 | ||
a1bb33af UH |
1014 | static void hw_stop_acquisition(int device_index, gpointer session_device_id) |
1015 | { | |
b9c735a2 | 1016 | struct sr_datafeed_packet packet; |
a1bb33af | 1017 | |
17e1afcb | 1018 | /* Avoid compiler warnings. */ |
cb93f8a9 | 1019 | (void)device_index; |
afc8e4de | 1020 | |
5a2326a7 | 1021 | packet.type = SR_DF_END; |
8a2efef2 | 1022 | sr_session_bus(session_device_id, &packet); |
a1bb33af UH |
1023 | } |
1024 | ||
5c2d46d1 | 1025 | struct sr_device_plugin ols_plugin_info = { |
e519ba86 UH |
1026 | .name = "ols", |
1027 | .longname = "Openbench Logic Sniffer", | |
1028 | .api_version = 1, | |
1029 | .init = hw_init, | |
1030 | .cleanup = hw_cleanup, | |
86f5e3d8 UH |
1031 | .opendev = hw_opendev, |
1032 | .closedev = hw_closedev, | |
e519ba86 UH |
1033 | .get_device_info = hw_get_device_info, |
1034 | .get_status = hw_get_status, | |
1035 | .get_capabilities = hw_get_capabilities, | |
1036 | .set_configuration = hw_set_configuration, | |
1037 | .start_acquisition = hw_start_acquisition, | |
1038 | .stop_acquisition = hw_stop_acquisition, | |
a1bb33af | 1039 | }; |