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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> |
43fc7885 | 41 | #include <sigrok.h> |
1483577e | 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 | ||
4fe9a6da | 58 | /* default supported samplerates, can be overridden by device metadata */ |
60679b18 | 59 | static struct sr_samplerates samplerates = { |
c9140419 | 60 | SR_HZ(10), |
59df0c77 | 61 | SR_MHZ(200), |
c9140419 UH |
62 | SR_HZ(1), |
63 | NULL, | |
a1bb33af UH |
64 | }; |
65 | ||
6c290072 | 66 | /* List of struct sr_serial_device_instance */ |
a1bb33af UH |
67 | static GSList *device_instances = NULL; |
68 | ||
6937bb75 | 69 | static int send_shortcommand(int fd, uint8_t command) |
a1bb33af UH |
70 | { |
71 | char buf[1]; | |
72 | ||
b08024a8 | 73 | sr_dbg("ols: sending cmd 0x%.2x", command); |
a1bb33af | 74 | buf[0] = command; |
2119ab03 | 75 | if (serial_write(fd, buf, 1) != 1) |
e46b8fb1 | 76 | return SR_ERR; |
a1bb33af | 77 | |
e46b8fb1 | 78 | return SR_OK; |
a1bb33af UH |
79 | } |
80 | ||
6937bb75 | 81 | static int send_longcommand(int fd, uint8_t command, uint32_t data) |
a1bb33af UH |
82 | { |
83 | char buf[5]; | |
84 | ||
b08024a8 | 85 | sr_dbg("ols: sending cmd 0x%.2x data 0x%.8x", command, data); |
a1bb33af | 86 | buf[0] = command; |
6937bb75 BV |
87 | buf[1] = (data & 0xff000000) >> 24; |
88 | buf[2] = (data & 0xff0000) >> 16; | |
89 | buf[3] = (data & 0xff00) >> 8; | |
90 | buf[4] = data & 0xff; | |
2119ab03 | 91 | if (serial_write(fd, buf, 5) != 5) |
e46b8fb1 | 92 | return SR_ERR; |
a1bb33af | 93 | |
e46b8fb1 | 94 | return SR_OK; |
a1bb33af UH |
95 | } |
96 | ||
4fe9a6da | 97 | static int configure_probes(struct ols_device *ols, GSList *probes) |
a1bb33af | 98 | { |
1afe8989 | 99 | struct sr_probe *probe; |
a1bb33af | 100 | GSList *l; |
6937bb75 | 101 | int probe_bit, stage, i; |
a1bb33af UH |
102 | char *tc; |
103 | ||
4fe9a6da | 104 | ols->probe_mask = 0; |
43fc7885 | 105 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
4fe9a6da BV |
106 | ols->trigger_mask[i] = 0; |
107 | ols->trigger_value[i] = 0; | |
a1bb33af UH |
108 | } |
109 | ||
4fe9a6da | 110 | ols->num_stages = 0; |
43fc7885 | 111 | for (l = probes; l; l = l->next) { |
1afe8989 | 112 | probe = (struct sr_probe *)l->data; |
43fc7885 | 113 | if (!probe->enabled) |
6937bb75 BV |
114 | continue; |
115 | ||
43fc7885 UH |
116 | /* |
117 | * Set up the probe mask for later configuration into the | |
118 | * flag register. | |
119 | */ | |
a1bb33af | 120 | probe_bit = 1 << (probe->index - 1); |
4fe9a6da | 121 | ols->probe_mask |= probe_bit; |
6937bb75 | 122 | |
a803c0db | 123 | if (!probe->trigger) |
6937bb75 BV |
124 | continue; |
125 | ||
43fc7885 | 126 | /* Configure trigger mask and value. */ |
6937bb75 | 127 | stage = 0; |
43fc7885 | 128 | for (tc = probe->trigger; tc && *tc; tc++) { |
4fe9a6da | 129 | ols->trigger_mask[stage] |= probe_bit; |
43fc7885 | 130 | if (*tc == '1') |
4fe9a6da | 131 | ols->trigger_value[stage] |= probe_bit; |
6937bb75 | 132 | stage++; |
43fc7885 UH |
133 | if (stage > 3) |
134 | /* | |
135 | * TODO: Only supporting parallel mode, with | |
136 | * up to 4 stages. | |
137 | */ | |
e46b8fb1 | 138 | return SR_ERR; |
a1bb33af | 139 | } |
4fe9a6da BV |
140 | if (stage > ols->num_stages) |
141 | ols->num_stages = stage; | |
a1bb33af UH |
142 | } |
143 | ||
e46b8fb1 | 144 | return SR_OK; |
a1bb33af UH |
145 | } |
146 | ||
a803c0db | 147 | static uint32_t reverse16(uint32_t in) |
6937bb75 BV |
148 | { |
149 | uint32_t out; | |
150 | ||
a803c0db BV |
151 | out = (in & 0xff) << 8; |
152 | out |= (in & 0xff00) >> 8; | |
153 | out |= (in & 0xff0000) << 8; | |
154 | out |= (in & 0xff000000) >> 8; | |
155 | ||
156 | return out; | |
157 | } | |
158 | ||
159 | static uint32_t reverse32(uint32_t in) | |
160 | { | |
161 | uint32_t out; | |
162 | ||
163 | out = (in & 0xff) << 24; | |
164 | out |= (in & 0xff00) << 8; | |
165 | out |= (in & 0xff0000) >> 8; | |
166 | out |= (in & 0xff000000) >> 24; | |
167 | ||
168 | return out; | |
6937bb75 BV |
169 | } |
170 | ||
4fe9a6da BV |
171 | static struct ols_device *ols_device_new(void) |
172 | { | |
173 | struct ols_device *ols; | |
174 | ||
c0a4b971 | 175 | /* TODO: Is 'ols' ever g_free()'d? */ |
b53738ba UH |
176 | if (!(ols = g_try_malloc0(sizeof(struct ols_device)))) { |
177 | sr_err("ols: %s: ols malloc failed", __func__); | |
178 | return NULL; | |
179 | } | |
180 | ||
4fe9a6da BV |
181 | ols->trigger_at = -1; |
182 | ols->probe_mask = 0xffffffff; | |
183 | ols->cur_samplerate = SR_KHZ(200); | |
9c939c51 | 184 | ols->period_ps = 5000000; |
4fe9a6da BV |
185 | |
186 | return ols; | |
187 | } | |
188 | ||
189 | static struct sr_device_instance *get_metadata(int fd) | |
190 | { | |
191 | struct sr_device_instance *sdi; | |
192 | struct ols_device *ols; | |
193 | uint32_t tmp_int; | |
194 | uint8_t key, type, token; | |
195 | GString *tmp_str, *devicename, *version; | |
196 | gchar tmp_c; | |
197 | ||
198 | sdi = sr_device_instance_new(0, SR_ST_INACTIVE, NULL, NULL, NULL); | |
199 | ols = ols_device_new(); | |
200 | sdi->priv = ols; | |
201 | ||
202 | devicename = g_string_new(""); | |
203 | version = g_string_new(""); | |
204 | ||
205 | key = 0xff; | |
206 | while (key) { | |
207 | if (serial_read(fd, &key, 1) != 1 || key == 0x00) | |
208 | break; | |
209 | type = key >> 5; | |
210 | token = key & 0x1f; | |
211 | switch (type) { | |
212 | case 0: | |
213 | /* NULL-terminated string */ | |
214 | tmp_str = g_string_new(""); | |
215 | while (serial_read(fd, &tmp_c, 1) == 1 && tmp_c != '\0') | |
216 | g_string_append_c(tmp_str, tmp_c); | |
b08024a8 UH |
217 | sr_dbg("ols: got metadata key 0x%.2x value '%s'", |
218 | key, tmp_str->str); | |
4fe9a6da BV |
219 | switch (token) { |
220 | case 0x01: | |
221 | /* Device name */ | |
222 | devicename = g_string_append(devicename, tmp_str->str); | |
223 | break; | |
224 | case 0x02: | |
225 | /* FPGA firmware version */ | |
226 | if (version->len) | |
227 | g_string_append(version, ", "); | |
228 | g_string_append(version, "FPGA version "); | |
229 | g_string_append(version, tmp_str->str); | |
230 | break; | |
231 | case 0x03: | |
232 | /* Ancillary version */ | |
233 | if (version->len) | |
234 | g_string_append(version, ", "); | |
235 | g_string_append(version, "Ancillary version "); | |
236 | g_string_append(version, tmp_str->str); | |
237 | break; | |
238 | default: | |
b08024a8 UH |
239 | sr_info("ols: unknown token 0x%.2x: '%s'", |
240 | token, tmp_str->str); | |
4fe9a6da BV |
241 | break; |
242 | } | |
243 | g_string_free(tmp_str, TRUE); | |
244 | break; | |
245 | case 1: | |
246 | /* 32-bit unsigned integer */ | |
247 | if (serial_read(fd, &tmp_int, 4) != 4) | |
248 | break; | |
249 | tmp_int = reverse32(tmp_int); | |
b08024a8 UH |
250 | sr_dbg("ols: got metadata key 0x%.2x value 0x%.8x", |
251 | key, tmp_int); | |
4fe9a6da BV |
252 | switch (token) { |
253 | case 0x00: | |
254 | /* Number of usable probes */ | |
255 | ols->num_probes = tmp_int; | |
256 | break; | |
257 | case 0x01: | |
258 | /* Amount of sample memory available (bytes) */ | |
259 | ols->max_samples = tmp_int; | |
260 | break; | |
261 | case 0x02: | |
262 | /* Amount of dynamic memory available (bytes) */ | |
263 | /* what is this for? */ | |
264 | break; | |
265 | case 0x03: | |
266 | /* Maximum sample rate (hz) */ | |
267 | ols->max_samplerate = tmp_int; | |
268 | break; | |
269 | case 0x04: | |
270 | /* protocol version */ | |
271 | ols->protocol_version = tmp_int; | |
272 | break; | |
273 | default: | |
b08024a8 UH |
274 | sr_info("ols: unknown token 0x%.2x: 0x%.8x", |
275 | token, tmp_int); | |
4fe9a6da BV |
276 | break; |
277 | } | |
278 | break; | |
279 | case 2: | |
280 | /* 8-bit unsigned integer */ | |
281 | if (serial_read(fd, &tmp_c, 1) != 1) | |
282 | break; | |
b08024a8 UH |
283 | sr_dbg("ols: got metadata key 0x%.2x value 0x%.2x", |
284 | key, tmp_c); | |
4fe9a6da BV |
285 | switch (token) { |
286 | case 0x00: | |
287 | /* Number of usable probes */ | |
288 | ols->num_probes = tmp_c; | |
289 | break; | |
290 | case 0x01: | |
291 | /* protocol version */ | |
292 | ols->protocol_version = tmp_c; | |
293 | break; | |
294 | default: | |
b08024a8 UH |
295 | sr_info("ols: unknown token 0x%.2x: 0x%.2x", |
296 | token, tmp_c); | |
4fe9a6da BV |
297 | break; |
298 | } | |
299 | break; | |
300 | default: | |
301 | /* unknown type */ | |
302 | break; | |
303 | } | |
304 | } | |
305 | ||
306 | sdi->model = devicename->str; | |
307 | sdi->version = version->str; | |
308 | g_string_free(devicename, FALSE); | |
309 | g_string_free(version, FALSE); | |
310 | ||
311 | return sdi; | |
312 | } | |
313 | ||
54ac5277 | 314 | static int hw_init(const char *deviceinfo) |
a1bb33af | 315 | { |
a00ba012 | 316 | struct sr_device_instance *sdi; |
4fe9a6da | 317 | struct ols_device *ols; |
a1bb33af | 318 | GSList *ports, *l; |
4fe9a6da | 319 | GPollFD *fds, probefd; |
6937bb75 | 320 | int devcnt, final_devcnt, num_ports, fd, ret, i; |
d02a535e | 321 | char buf[8], **device_names, **serial_params; |
a1bb33af | 322 | |
c0a4b971 UH |
323 | final_devcnt = 0; |
324 | ||
43fc7885 | 325 | if (deviceinfo) |
6937bb75 | 326 | ports = g_slist_append(NULL, strdup(deviceinfo)); |
a1bb33af | 327 | else |
43fc7885 | 328 | /* No specific device given, so scan all serial ports. */ |
a1bb33af UH |
329 | ports = list_serial_ports(); |
330 | ||
331 | num_ports = g_slist_length(ports); | |
c0a4b971 UH |
332 | |
333 | if (!(fds = g_try_malloc0(num_ports * sizeof(GPollFD)))) { | |
334 | sr_err("ols: %s: fds malloc failed", __func__); | |
335 | goto hw_init_free_ports; /* TODO: SR_ERR_MALLOC. */ | |
336 | } | |
337 | ||
338 | if (!(device_names = g_try_malloc(num_ports * sizeof(char *)))) { | |
339 | sr_err("ols: %s: device_names malloc failed", __func__); | |
340 | goto hw_init_free_fds; /* TODO: SR_ERR_MALLOC. */ | |
341 | } | |
342 | ||
343 | if (!(serial_params = g_try_malloc(num_ports * sizeof(char *)))) { | |
344 | sr_err("ols: %s: serial_params malloc failed", __func__); | |
345 | goto hw_init_free_device_names; /* TODO: SR_ERR_MALLOC. */ | |
346 | } | |
347 | ||
a1bb33af | 348 | devcnt = 0; |
43fc7885 UH |
349 | for (l = ports; l; l = l->next) { |
350 | /* The discovery procedure is like this: first send the Reset | |
351 | * command (0x00) 5 times, since the device could be anywhere | |
352 | * in a 5-byte command. Then send the ID command (0x02). | |
353 | * If the device responds with 4 bytes ("OLS1" or "SLA1"), we | |
354 | * have a match. | |
355 | * | |
356 | * Since it may take the device a while to respond at 115Kb/s, | |
357 | * we do all the sending first, then wait for all of them to | |
358 | * respond with g_poll(). | |
a1bb33af | 359 | */ |
b08024a8 | 360 | sr_info("ols: probing %s...", (char *)l->data); |
d02a535e | 361 | fd = serial_open(l->data, O_RDWR | O_NONBLOCK); |
43fc7885 | 362 | if (fd != -1) { |
d02a535e BV |
363 | serial_params[devcnt] = serial_backup_params(fd); |
364 | serial_set_params(fd, 115200, 8, 0, 1, 2); | |
e46b8fb1 | 365 | ret = SR_OK; |
43fc7885 UH |
366 | for (i = 0; i < 5; i++) { |
367 | if ((ret = send_shortcommand(fd, | |
e46b8fb1 | 368 | CMD_RESET)) != SR_OK) { |
43fc7885 | 369 | /* Serial port is not writable. */ |
6937bb75 BV |
370 | break; |
371 | } | |
a1bb33af | 372 | } |
e46b8fb1 | 373 | if (ret != SR_OK) { |
43fc7885 UH |
374 | serial_restore_params(fd, |
375 | serial_params[devcnt]); | |
d02a535e | 376 | serial_close(fd); |
6937bb75 | 377 | continue; |
d02a535e | 378 | } |
6937bb75 BV |
379 | send_shortcommand(fd, CMD_ID); |
380 | fds[devcnt].fd = fd; | |
381 | fds[devcnt].events = G_IO_IN; | |
382 | device_names[devcnt] = strdup(l->data); | |
383 | devcnt++; | |
a1bb33af | 384 | } |
6937bb75 | 385 | free(l->data); |
a1bb33af UH |
386 | } |
387 | ||
5b15b41e PS |
388 | /* 2ms isn't enough for reliable transfer with pl2303, let's try 10 */ |
389 | usleep(10000); | |
a1bb33af | 390 | |
a1bb33af | 391 | g_poll(fds, devcnt, 1); |
4fe9a6da | 392 | |
43fc7885 | 393 | for (i = 0; i < devcnt; i++) { |
4fe9a6da BV |
394 | if (fds[i].revents != G_IO_IN) |
395 | continue; | |
396 | if (serial_read(fds[i].fd, buf, 4) != 4) | |
397 | continue; | |
398 | if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4)) | |
399 | continue; | |
400 | ||
401 | /* definitely using the OLS protocol, check if it supports | |
402 | * the metadata command | |
403 | */ | |
404 | send_shortcommand(fds[i].fd, CMD_METADATA); | |
405 | probefd.fd = fds[i].fd; | |
406 | probefd.events = G_IO_IN; | |
407 | if (g_poll(&probefd, 1, 10) > 0) { | |
408 | /* got metadata */ | |
409 | sdi = get_metadata(fds[i].fd); | |
410 | sdi->index = final_devcnt; | |
411 | } else { | |
412 | /* not an OLS -- some other board that uses the sump protocol */ | |
413 | sdi = sr_device_instance_new(final_devcnt, SR_ST_INACTIVE, | |
414 | "Sump", "Logic Analyzer", "v1.0"); | |
415 | ols = ols_device_new(); | |
416 | ols->num_probes = 32; | |
417 | sdi->priv = ols; | |
a1bb33af | 418 | } |
4fe9a6da BV |
419 | sdi->serial = sr_serial_device_instance_new(device_names[i], -1); |
420 | device_instances = g_slist_append(device_instances, sdi); | |
421 | final_devcnt++; | |
422 | serial_close(fds[i].fd); | |
423 | fds[i].fd = 0; | |
4fe9a6da BV |
424 | } |
425 | ||
426 | /* clean up after all the probing */ | |
427 | for (i = 0; i < devcnt; i++) { | |
43fc7885 | 428 | if (fds[i].fd != 0) { |
d02a535e BV |
429 | serial_restore_params(fds[i].fd, serial_params[i]); |
430 | serial_close(fds[i].fd); | |
6937bb75 | 431 | } |
d02a535e | 432 | free(serial_params[i]); |
4fe9a6da | 433 | free(device_names[i]); |
a1bb33af UH |
434 | } |
435 | ||
c0a4b971 UH |
436 | g_free(serial_params); |
437 | hw_init_free_device_names: | |
438 | g_free(device_names); | |
439 | hw_init_free_fds: | |
440 | g_free(fds); | |
441 | hw_init_free_ports: | |
a1bb33af UH |
442 | g_slist_free(ports); |
443 | ||
444 | return final_devcnt; | |
445 | } | |
446 | ||
a1bb33af UH |
447 | static int hw_opendev(int device_index) |
448 | { | |
a00ba012 | 449 | struct sr_device_instance *sdi; |
a1bb33af | 450 | |
d32d961d | 451 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 452 | return SR_ERR; |
a1bb33af | 453 | |
d02a535e | 454 | sdi->serial->fd = serial_open(sdi->serial->port, O_RDWR); |
43fc7885 | 455 | if (sdi->serial->fd == -1) |
e46b8fb1 | 456 | return SR_ERR; |
a1bb33af | 457 | |
5a2326a7 | 458 | sdi->status = SR_ST_ACTIVE; |
a1bb33af | 459 | |
e46b8fb1 | 460 | return SR_OK; |
a1bb33af UH |
461 | } |
462 | ||
697785d1 | 463 | static int hw_closedev(int device_index) |
a1bb33af | 464 | { |
a00ba012 | 465 | struct sr_device_instance *sdi; |
a1bb33af | 466 | |
697785d1 UH |
467 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) { |
468 | sr_err("ols: %s: sdi was NULL", __func__); | |
469 | return SR_ERR; /* TODO: SR_ERR_ARG? */ | |
470 | } | |
a1bb33af | 471 | |
697785d1 | 472 | /* TODO */ |
43fc7885 | 473 | if (sdi->serial->fd != -1) { |
d02a535e | 474 | serial_close(sdi->serial->fd); |
a1bb33af | 475 | sdi->serial->fd = -1; |
5a2326a7 | 476 | sdi->status = SR_ST_INACTIVE; |
a1bb33af | 477 | } |
697785d1 UH |
478 | |
479 | return SR_OK; | |
a1bb33af UH |
480 | } |
481 | ||
a1bb33af UH |
482 | static void hw_cleanup(void) |
483 | { | |
484 | GSList *l; | |
a00ba012 | 485 | struct sr_device_instance *sdi; |
a1bb33af | 486 | |
8722c31e | 487 | /* Properly close and free all devices. */ |
43fc7885 | 488 | for (l = device_instances; l; l = l->next) { |
a1bb33af | 489 | sdi = l->data; |
43fc7885 | 490 | if (sdi->serial->fd != -1) |
d02a535e | 491 | serial_close(sdi->serial->fd); |
a00ba012 | 492 | sr_device_instance_free(sdi); |
a1bb33af UH |
493 | } |
494 | g_slist_free(device_instances); | |
495 | device_instances = NULL; | |
a1bb33af UH |
496 | } |
497 | ||
a1bb33af UH |
498 | static void *hw_get_device_info(int device_index, int device_info_id) |
499 | { | |
a00ba012 | 500 | struct sr_device_instance *sdi; |
4fe9a6da | 501 | struct ols_device *ols; |
a1bb33af UH |
502 | void *info; |
503 | ||
d32d961d | 504 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
a1bb33af | 505 | return NULL; |
4fe9a6da | 506 | ols = sdi->priv; |
a1bb33af UH |
507 | |
508 | info = NULL; | |
43fc7885 | 509 | switch (device_info_id) { |
5a2326a7 | 510 | case SR_DI_INSTANCE: |
a1bb33af UH |
511 | info = sdi; |
512 | break; | |
5a2326a7 | 513 | case SR_DI_NUM_PROBES: |
a1bb33af UH |
514 | info = GINT_TO_POINTER(NUM_PROBES); |
515 | break; | |
5a2326a7 | 516 | case SR_DI_SAMPLERATES: |
a1bb33af UH |
517 | info = &samplerates; |
518 | break; | |
5a2326a7 | 519 | case SR_DI_TRIGGER_TYPES: |
43fc7885 | 520 | info = (char *)TRIGGER_TYPES; |
a1bb33af | 521 | break; |
5a2326a7 | 522 | case SR_DI_CUR_SAMPLERATE: |
4fe9a6da | 523 | info = &ols->cur_samplerate; |
a1bb33af UH |
524 | break; |
525 | } | |
526 | ||
527 | return info; | |
528 | } | |
529 | ||
a1bb33af UH |
530 | static int hw_get_status(int device_index) |
531 | { | |
a00ba012 | 532 | struct sr_device_instance *sdi; |
a1bb33af | 533 | |
d32d961d | 534 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
5a2326a7 | 535 | return SR_ST_NOT_FOUND; |
a1bb33af UH |
536 | |
537 | return sdi->status; | |
538 | } | |
539 | ||
a1bb33af UH |
540 | static int *hw_get_capabilities(void) |
541 | { | |
a1bb33af UH |
542 | return capabilities; |
543 | } | |
544 | ||
a00ba012 | 545 | static int set_configuration_samplerate(struct sr_device_instance *sdi, |
43fc7885 | 546 | uint64_t samplerate) |
a1bb33af | 547 | { |
4fe9a6da | 548 | struct ols_device *ols; |
a1bb33af | 549 | |
4fe9a6da BV |
550 | ols = sdi->priv; |
551 | if (ols->max_samplerate) { | |
552 | if (samplerate > ols->max_samplerate) | |
553 | return SR_ERR_SAMPLERATE; | |
554 | } else if (samplerate < samplerates.low || samplerate > samplerates.high) | |
e46b8fb1 | 555 | return SR_ERR_SAMPLERATE; |
a1bb33af | 556 | |
43fc7885 | 557 | if (samplerate > CLOCK_RATE) { |
4fe9a6da BV |
558 | ols->flag_reg |= FLAG_DEMUX; |
559 | ols->cur_samplerate_divider = (CLOCK_RATE * 2 / samplerate) - 1; | |
43fc7885 | 560 | } else { |
4fe9a6da BV |
561 | ols->flag_reg &= ~FLAG_DEMUX; |
562 | ols->cur_samplerate_divider = (CLOCK_RATE / samplerate) - 1; | |
a1bb33af | 563 | } |
a1bb33af | 564 | |
7583b99d GM |
565 | /* Calculate actual samplerate used and complain if it is different |
566 | * from the requested. | |
567 | */ | |
568 | ols->cur_samplerate = CLOCK_RATE / (ols->cur_samplerate_divider + 1); | |
569 | if(ols->flag_reg & FLAG_DEMUX) | |
570 | ols->cur_samplerate *= 2; | |
571 | ols->period_ps = 1000000000000 / ols->cur_samplerate; | |
572 | if(ols->cur_samplerate != samplerate) | |
573 | sr_warn("ols: can't match samplerate %" PRIu64 ", using %" PRIu64, | |
574 | samplerate, ols->cur_samplerate); | |
575 | ||
e46b8fb1 | 576 | return SR_OK; |
a1bb33af UH |
577 | } |
578 | ||
a1bb33af UH |
579 | static int hw_set_configuration(int device_index, int capability, void *value) |
580 | { | |
a00ba012 | 581 | struct sr_device_instance *sdi; |
4fe9a6da | 582 | struct ols_device *ols; |
a1bb33af UH |
583 | int ret; |
584 | uint64_t *tmp_u64; | |
585 | ||
d32d961d | 586 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 587 | return SR_ERR; |
4fe9a6da | 588 | ols = sdi->priv; |
a1bb33af | 589 | |
5a2326a7 | 590 | if (sdi->status != SR_ST_ACTIVE) |
e46b8fb1 | 591 | return SR_ERR; |
a1bb33af | 592 | |
a803c0db | 593 | switch (capability) { |
5a2326a7 | 594 | case SR_HWCAP_SAMPLERATE: |
a1bb33af UH |
595 | tmp_u64 = value; |
596 | ret = set_configuration_samplerate(sdi, *tmp_u64); | |
a803c0db | 597 | break; |
5a2326a7 | 598 | case SR_HWCAP_PROBECONFIG: |
4fe9a6da | 599 | ret = configure_probes(ols, (GSList *) value); |
a803c0db | 600 | break; |
5a2326a7 | 601 | case SR_HWCAP_LIMIT_SAMPLES: |
2458ea65 | 602 | tmp_u64 = value; |
574ce498 | 603 | if (*tmp_u64 < MIN_NUM_SAMPLES) |
e46b8fb1 | 604 | return SR_ERR; |
baf1d714 | 605 | if (*tmp_u64 > ols->max_samples) |
22130421 | 606 | sr_warn("ols: sample limit exceeds hw max"); |
4fe9a6da | 607 | ols->limit_samples = *tmp_u64; |
b08024a8 | 608 | sr_info("ols: sample limit %" PRIu64, ols->limit_samples); |
e46b8fb1 | 609 | ret = SR_OK; |
a803c0db | 610 | break; |
5a2326a7 | 611 | case SR_HWCAP_CAPTURE_RATIO: |
a803c0db | 612 | tmp_u64 = value; |
4fe9a6da BV |
613 | ols->capture_ratio = *tmp_u64; |
614 | if (ols->capture_ratio < 0 || ols->capture_ratio > 100) { | |
615 | ols->capture_ratio = 0; | |
e46b8fb1 | 616 | ret = SR_ERR; |
43fc7885 | 617 | } else |
e46b8fb1 | 618 | ret = SR_OK; |
a803c0db | 619 | break; |
3a4d09c0 | 620 | case SR_HWCAP_RLE: |
4d436e71 | 621 | if (GPOINTER_TO_INT(value)) { |
3a4d09c0 GM |
622 | sr_info("ols: enabling RLE"); |
623 | ols->flag_reg |= FLAG_RLE; | |
624 | } | |
625 | ret = SR_OK; | |
626 | break; | |
a803c0db | 627 | default: |
e46b8fb1 | 628 | ret = SR_ERR; |
43fc7885 | 629 | } |
a1bb33af UH |
630 | |
631 | return ret; | |
632 | } | |
633 | ||
9c939c51 | 634 | static int receive_data(int fd, int revents, void *session_data) |
a1bb33af | 635 | { |
b9c735a2 | 636 | struct sr_datafeed_packet packet; |
9c939c51 | 637 | struct sr_datafeed_logic logic; |
4fe9a6da BV |
638 | struct sr_device_instance *sdi; |
639 | struct ols_device *ols; | |
640 | GSList *l; | |
3a4d09c0 GM |
641 | int num_channels, offset, i, j; |
642 | unsigned char byte; | |
a1bb33af | 643 | |
4fe9a6da BV |
644 | /* find this device's ols_device struct by its fd */ |
645 | ols = NULL; | |
646 | for (l = device_instances; l; l = l->next) { | |
647 | sdi = l->data; | |
648 | if (sdi->serial->fd == fd) { | |
649 | ols = sdi->priv; | |
650 | break; | |
651 | } | |
652 | } | |
653 | if (!ols) | |
654 | /* shouldn't happen */ | |
655 | return TRUE; | |
656 | ||
657 | if (ols->num_transfers++ == 0) { | |
43fc7885 UH |
658 | /* |
659 | * First time round, means the device started sending data, | |
660 | * and will not stop until done. If it stops sending for | |
661 | * longer than it takes to send a byte, that means it's | |
662 | * finished. We'll double that to 30ms to be sure... | |
a1bb33af | 663 | */ |
6f1be0a2 | 664 | sr_source_remove(fd); |
9c939c51 | 665 | sr_source_add(fd, G_IO_IN, 30, receive_data, session_data); |
c0a4b971 UH |
666 | ols->raw_sample_buf = g_try_malloc(ols->limit_samples * 4); |
667 | if (!ols->raw_sample_buf) { | |
668 | sr_err("ols: %s: ols->raw_sample_buf malloc failed", | |
669 | __func__); | |
670 | return FALSE; | |
671 | } | |
a803c0db | 672 | /* fill with 1010... for debugging */ |
4fe9a6da | 673 | memset(ols->raw_sample_buf, 0x82, ols->limit_samples * 4); |
a1bb33af UH |
674 | } |
675 | ||
6937bb75 | 676 | num_channels = 0; |
43fc7885 | 677 | for (i = 0x20; i > 0x02; i /= 2) { |
4fe9a6da | 678 | if ((ols->flag_reg & i) == 0) |
6937bb75 | 679 | num_channels++; |
43fc7885 | 680 | } |
6937bb75 | 681 | |
3a4d09c0 | 682 | if (revents == G_IO_IN) { |
2119ab03 | 683 | if (serial_read(fd, &byte, 1) != 1) |
a1bb33af UH |
684 | return FALSE; |
685 | ||
baf1d714 UH |
686 | /* Ignore it if we've read enough. */ |
687 | if (ols->num_samples >= ols->limit_samples) | |
688 | return TRUE; | |
3a4d09c0 | 689 | |
4fe9a6da | 690 | ols->sample[ols->num_bytes++] = byte; |
b08024a8 | 691 | sr_dbg("ols: received byte 0x%.2x", byte); |
4fe9a6da | 692 | if (ols->num_bytes == num_channels) { |
43fc7885 | 693 | /* Got a full sample. */ |
b08024a8 | 694 | sr_dbg("ols: received sample 0x%.*x", |
baf1d714 | 695 | ols->num_bytes * 2, *(int *)ols->sample); |
4fe9a6da | 696 | if (ols->flag_reg & FLAG_RLE) { |
43fc7885 UH |
697 | /* |
698 | * In RLE mode -1 should never come in as a | |
699 | * sample, because bit 31 is the "count" flag. | |
43fc7885 | 700 | */ |
3a4d09c0 | 701 | if (ols->sample[ols->num_bytes - 1] & 0x80) { |
baf1d714 UH |
702 | ols->sample[ols->num_bytes - 1] &= 0x7f; |
703 | /* | |
704 | * FIXME: This will only work on | |
705 | * little-endian systems. | |
a1bb33af | 706 | */ |
baf1d714 | 707 | ols->rle_count = *(int *)(ols->sample); |
3a4d09c0 GM |
708 | sr_dbg("ols: RLE count = %d", ols->rle_count); |
709 | ols->num_bytes = 0; | |
710 | return TRUE; | |
baf1d714 | 711 | } |
3a4d09c0 GM |
712 | } |
713 | ols->num_samples += ols->rle_count + 1; | |
baf1d714 UH |
714 | if (ols->num_samples > ols->limit_samples) { |
715 | /* Save us from overrunning the buffer. */ | |
3a4d09c0 GM |
716 | ols->rle_count -= ols->num_samples - ols->limit_samples; |
717 | ols->num_samples = ols->limit_samples; | |
a1bb33af UH |
718 | } |
719 | ||
43fc7885 UH |
720 | if (num_channels < 4) { |
721 | /* | |
722 | * Some channel groups may have been turned | |
723 | * off, to speed up transfer between the | |
724 | * hardware and the PC. Expand that here before | |
725 | * submitting it over the session bus -- | |
726 | * whatever is listening on the bus will be | |
727 | * expecting a full 32-bit sample, based on | |
728 | * the number of probes. | |
6937bb75 BV |
729 | */ |
730 | j = 0; | |
4fe9a6da | 731 | memset(ols->tmp_sample, 0, 4); |
43fc7885 | 732 | for (i = 0; i < 4; i++) { |
4fe9a6da | 733 | if (((ols->flag_reg >> 2) & (1 << i)) == 0) { |
43fc7885 UH |
734 | /* |
735 | * This channel group was | |
736 | * enabled, copy from received | |
737 | * sample. | |
738 | */ | |
4fe9a6da | 739 | ols->tmp_sample[i] = ols->sample[j++]; |
6937bb75 BV |
740 | } |
741 | } | |
4fe9a6da | 742 | memcpy(ols->sample, ols->tmp_sample, 4); |
baf1d714 | 743 | sr_dbg("ols: full sample 0x%.8x", *(int *)ols->sample); |
6937bb75 BV |
744 | } |
745 | ||
a803c0db BV |
746 | /* the OLS sends its sample buffer backwards. |
747 | * store it in reverse order here, so we can dump | |
748 | * this on the session bus later. | |
749 | */ | |
3a4d09c0 | 750 | offset = (ols->limit_samples - ols->num_samples) * 4; |
baf1d714 UH |
751 | for (i = 0; i <= ols->rle_count; i++) { |
752 | memcpy(ols->raw_sample_buf + offset + (i * 4), | |
753 | ols->sample, 4); | |
754 | } | |
4fe9a6da BV |
755 | memset(ols->sample, 0, 4); |
756 | ols->num_bytes = 0; | |
3a4d09c0 | 757 | ols->rle_count = 0; |
a1bb33af | 758 | } |
43fc7885 UH |
759 | } else { |
760 | /* | |
761 | * This is the main loop telling us a timeout was reached, or | |
762 | * we've acquired all the samples we asked for -- we're done. | |
a803c0db | 763 | * Send the (properly-ordered) buffer to the frontend. |
43fc7885 | 764 | */ |
4fe9a6da | 765 | if (ols->trigger_at != -1) { |
a803c0db BV |
766 | /* a trigger was set up, so we need to tell the frontend |
767 | * about it. | |
768 | */ | |
4fe9a6da | 769 | if (ols->trigger_at > 0) { |
a803c0db | 770 | /* there are pre-trigger samples, send those first */ |
5a2326a7 | 771 | packet.type = SR_DF_LOGIC; |
9c939c51 BV |
772 | packet.timeoffset = 0; |
773 | packet.duration = ols->trigger_at * ols->period_ps; | |
774 | packet.payload = &logic; | |
775 | logic.length = ols->trigger_at * 4; | |
776 | logic.unitsize = 4; | |
baf1d714 | 777 | logic.data = ols->raw_sample_buf + |
22130421 | 778 | (ols->limit_samples - ols->num_samples) * 4; |
9c939c51 | 779 | sr_session_bus(session_data, &packet); |
a803c0db BV |
780 | } |
781 | ||
9c939c51 | 782 | /* send the trigger */ |
5a2326a7 | 783 | packet.type = SR_DF_TRIGGER; |
9c939c51 BV |
784 | packet.timeoffset = ols->trigger_at * ols->period_ps; |
785 | packet.duration = 0; | |
786 | sr_session_bus(session_data, &packet); | |
a803c0db | 787 | |
9c939c51 | 788 | /* send post-trigger samples */ |
5a2326a7 | 789 | packet.type = SR_DF_LOGIC; |
9c939c51 | 790 | packet.timeoffset = ols->trigger_at * ols->period_ps; |
22130421 | 791 | packet.duration = (ols->num_samples - ols->trigger_at) * ols->period_ps; |
9c939c51 | 792 | packet.payload = &logic; |
22130421 | 793 | logic.length = (ols->num_samples * 4) - (ols->trigger_at * 4); |
9c939c51 | 794 | logic.unitsize = 4; |
22130421 GM |
795 | logic.data = ols->raw_sample_buf + ols->trigger_at * 4 + |
796 | (ols->limit_samples - ols->num_samples) * 4; | |
9c939c51 | 797 | sr_session_bus(session_data, &packet); |
a803c0db | 798 | } else { |
9c939c51 | 799 | /* no trigger was used */ |
5a2326a7 | 800 | packet.type = SR_DF_LOGIC; |
9c939c51 | 801 | packet.timeoffset = 0; |
22130421 | 802 | packet.duration = ols->num_samples * ols->period_ps; |
9c939c51 | 803 | packet.payload = &logic; |
22130421 | 804 | logic.length = ols->num_samples * 4; |
9c939c51 | 805 | logic.unitsize = 4; |
22130421 GM |
806 | logic.data = ols->raw_sample_buf + |
807 | (ols->limit_samples - ols->num_samples) * 4; | |
9c939c51 | 808 | sr_session_bus(session_data, &packet); |
a803c0db | 809 | } |
c0a4b971 | 810 | g_free(ols->raw_sample_buf); |
a803c0db | 811 | |
06d64eb8 | 812 | serial_flush(fd); |
d02a535e | 813 | serial_close(fd); |
5a2326a7 | 814 | packet.type = SR_DF_END; |
22130421 | 815 | packet.timeoffset = ols->num_samples * ols->period_ps; |
9c939c51 BV |
816 | packet.duration = 0; |
817 | sr_session_bus(session_data, &packet); | |
a1bb33af UH |
818 | } |
819 | ||
820 | return TRUE; | |
821 | } | |
822 | ||
9c939c51 | 823 | static int hw_start_acquisition(int device_index, gpointer session_data) |
a1bb33af | 824 | { |
b9c735a2 UH |
825 | struct sr_datafeed_packet *packet; |
826 | struct sr_datafeed_header *header; | |
a00ba012 | 827 | struct sr_device_instance *sdi; |
4fe9a6da | 828 | struct ols_device *ols; |
a803c0db | 829 | uint32_t trigger_config[4]; |
a1bb33af | 830 | uint32_t data; |
6937bb75 BV |
831 | uint16_t readcount, delaycount; |
832 | uint8_t changrp_mask; | |
22130421 | 833 | int num_channels; |
4fe9a6da | 834 | int i; |
a1bb33af | 835 | |
d32d961d | 836 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 837 | return SR_ERR; |
c0a4b971 | 838 | |
4fe9a6da | 839 | ols = sdi->priv; |
a1bb33af | 840 | |
5a2326a7 | 841 | if (sdi->status != SR_ST_ACTIVE) |
e46b8fb1 | 842 | return SR_ERR; |
a1bb33af | 843 | |
22130421 GM |
844 | /* |
845 | * Enable/disable channel groups in the flag register according to the | |
baf1d714 | 846 | * probe mask. Calculate this here, because num_channels is needed |
22130421 GM |
847 | * to limit readcount. |
848 | */ | |
849 | changrp_mask = 0; | |
850 | num_channels = 0; | |
851 | for (i = 0; i < 4; i++) { | |
852 | if (ols->probe_mask & (0xff << (i * 8))) { | |
853 | changrp_mask |= (1 << i); | |
854 | num_channels++; | |
855 | } | |
856 | } | |
857 | ||
baf1d714 UH |
858 | /* |
859 | * Limit readcount to prevent reading past the end of the hardware | |
22130421 GM |
860 | * buffer. |
861 | */ | |
862 | readcount = MIN(ols->max_samples / num_channels, ols->limit_samples) / 4; | |
a803c0db BV |
863 | |
864 | memset(trigger_config, 0, 16); | |
4fe9a6da BV |
865 | trigger_config[ols->num_stages - 1] |= 0x08; |
866 | if (ols->trigger_mask[0]) { | |
867 | delaycount = readcount * (1 - ols->capture_ratio / 100.0); | |
868 | ols->trigger_at = (readcount - delaycount) * 4 - ols->num_stages; | |
a803c0db | 869 | |
43fc7885 | 870 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_0, |
4fe9a6da | 871 | reverse32(ols->trigger_mask[0])) != SR_OK) |
e46b8fb1 | 872 | return SR_ERR; |
a803c0db | 873 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_0, |
4fe9a6da | 874 | reverse32(ols->trigger_value[0])) != SR_OK) |
e46b8fb1 | 875 | return SR_ERR; |
a803c0db | 876 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_0, |
e46b8fb1 UH |
877 | trigger_config[0]) != SR_OK) |
878 | return SR_ERR; | |
6937bb75 | 879 | |
a803c0db | 880 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_1, |
4fe9a6da | 881 | reverse32(ols->trigger_mask[1])) != SR_OK) |
e46b8fb1 | 882 | return SR_ERR; |
43fc7885 | 883 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_1, |
4fe9a6da | 884 | reverse32(ols->trigger_value[1])) != SR_OK) |
e46b8fb1 | 885 | return SR_ERR; |
a803c0db | 886 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_1, |
e46b8fb1 UH |
887 | trigger_config[1]) != SR_OK) |
888 | return SR_ERR; | |
6937bb75 | 889 | |
a803c0db | 890 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_2, |
4fe9a6da | 891 | reverse32(ols->trigger_mask[2])) != SR_OK) |
e46b8fb1 | 892 | return SR_ERR; |
a803c0db | 893 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_2, |
4fe9a6da | 894 | reverse32(ols->trigger_value[2])) != SR_OK) |
e46b8fb1 | 895 | return SR_ERR; |
43fc7885 | 896 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_2, |
e46b8fb1 UH |
897 | trigger_config[2]) != SR_OK) |
898 | return SR_ERR; | |
a803c0db BV |
899 | |
900 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_3, | |
4fe9a6da | 901 | reverse32(ols->trigger_mask[3])) != SR_OK) |
e46b8fb1 | 902 | return SR_ERR; |
a803c0db | 903 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_3, |
4fe9a6da | 904 | reverse32(ols->trigger_value[3])) != SR_OK) |
e46b8fb1 | 905 | return SR_ERR; |
43fc7885 | 906 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_3, |
e46b8fb1 UH |
907 | trigger_config[3]) != SR_OK) |
908 | return SR_ERR; | |
6937bb75 | 909 | } else { |
43fc7885 | 910 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_0, |
4fe9a6da | 911 | ols->trigger_mask[0]) != SR_OK) |
e46b8fb1 | 912 | return SR_ERR; |
43fc7885 | 913 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_0, |
4fe9a6da | 914 | ols->trigger_value[0]) != SR_OK) |
e46b8fb1 | 915 | return SR_ERR; |
43fc7885 | 916 | if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_0, |
e46b8fb1 UH |
917 | 0x00000008) != SR_OK) |
918 | return SR_ERR; | |
a803c0db | 919 | delaycount = readcount; |
6937bb75 | 920 | } |
a1bb33af | 921 | |
b08024a8 UH |
922 | sr_info("ols: setting samplerate to %" PRIu64 " Hz (divider %u, " |
923 | "demux %s)", ols->cur_samplerate, ols->cur_samplerate_divider, | |
924 | ols->flag_reg & FLAG_DEMUX ? "on" : "off"); | |
4fe9a6da BV |
925 | if (send_longcommand(sdi->serial->fd, CMD_SET_DIVIDER, |
926 | reverse32(ols->cur_samplerate_divider)) != SR_OK) | |
927 | return SR_ERR; | |
a1bb33af | 928 | |
43fc7885 | 929 | /* Send sample limit and pre/post-trigger capture ratio. */ |
a803c0db BV |
930 | data = ((readcount - 1) & 0xffff) << 16; |
931 | data |= (delaycount - 1) & 0xffff; | |
e46b8fb1 UH |
932 | if (send_longcommand(sdi->serial->fd, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK) |
933 | return SR_ERR; | |
a1bb33af | 934 | |
43fc7885 | 935 | /* The flag register wants them here, and 1 means "disable channel". */ |
4fe9a6da BV |
936 | ols->flag_reg |= ~(changrp_mask << 2) & 0x3c; |
937 | ols->flag_reg |= FLAG_FILTER; | |
3a4d09c0 GM |
938 | ols->rle_count = 0; |
939 | data = (ols->flag_reg << 24) | ((ols->flag_reg << 8) & 0xff0000); | |
e46b8fb1 UH |
940 | if (send_longcommand(sdi->serial->fd, CMD_SET_FLAGS, data) != SR_OK) |
941 | return SR_ERR; | |
a1bb33af | 942 | |
43fc7885 | 943 | /* Start acquisition on the device. */ |
e46b8fb1 UH |
944 | if (send_shortcommand(sdi->serial->fd, CMD_RUN) != SR_OK) |
945 | return SR_ERR; | |
a1bb33af | 946 | |
6f1be0a2 | 947 | sr_source_add(sdi->serial->fd, G_IO_IN, -1, receive_data, |
9c939c51 | 948 | session_data); |
a1bb33af | 949 | |
b53738ba UH |
950 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { |
951 | sr_err("ols: %s: packet malloc failed", __func__); | |
952 | return SR_ERR_MALLOC; | |
953 | } | |
954 | ||
955 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { | |
956 | sr_err("ols: %s: header malloc failed", __func__); | |
c0a4b971 | 957 | g_free(packet); |
b53738ba UH |
958 | return SR_ERR_MALLOC; |
959 | } | |
960 | ||
43fc7885 | 961 | /* Send header packet to the session bus. */ |
5a2326a7 | 962 | packet->type = SR_DF_HEADER; |
43fc7885 | 963 | packet->payload = (unsigned char *)header; |
a1bb33af UH |
964 | header->feed_version = 1; |
965 | gettimeofday(&header->starttime, NULL); | |
4fe9a6da | 966 | header->samplerate = ols->cur_samplerate; |
c2616fb9 DR |
967 | header->num_logic_probes = NUM_PROBES; |
968 | header->num_analog_probes = 0; | |
9c939c51 | 969 | sr_session_bus(session_data, packet); |
c0a4b971 | 970 | |
a1bb33af UH |
971 | g_free(header); |
972 | g_free(packet); | |
973 | ||
e46b8fb1 | 974 | return SR_OK; |
a1bb33af UH |
975 | } |
976 | ||
a1bb33af UH |
977 | static void hw_stop_acquisition(int device_index, gpointer session_device_id) |
978 | { | |
b9c735a2 | 979 | struct sr_datafeed_packet packet; |
a1bb33af | 980 | |
17e1afcb | 981 | /* Avoid compiler warnings. */ |
cb93f8a9 | 982 | (void)device_index; |
afc8e4de | 983 | |
5a2326a7 | 984 | packet.type = SR_DF_END; |
8a2efef2 | 985 | sr_session_bus(session_device_id, &packet); |
a1bb33af UH |
986 | } |
987 | ||
5c2d46d1 | 988 | struct sr_device_plugin ols_plugin_info = { |
e519ba86 UH |
989 | .name = "ols", |
990 | .longname = "Openbench Logic Sniffer", | |
991 | .api_version = 1, | |
992 | .init = hw_init, | |
993 | .cleanup = hw_cleanup, | |
86f5e3d8 UH |
994 | .opendev = hw_opendev, |
995 | .closedev = hw_closedev, | |
e519ba86 UH |
996 | .get_device_info = hw_get_device_info, |
997 | .get_status = hw_get_status, | |
998 | .get_capabilities = hw_get_capabilities, | |
999 | .set_configuration = hw_set_configuration, | |
1000 | .start_acquisition = hw_start_acquisition, | |
1001 | .stop_acquisition = hw_stop_acquisition, | |
a1bb33af | 1002 | }; |