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Commit | Line | Data |
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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
c73d2ea4 | 4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> |
a1bb33af UH |
5 | * |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <stdio.h> | |
21 | #include <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 | ||
ffedd0bf | 49 | static int hwcaps[] = { |
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 | ||
d261dbbf | 58 | /* Probes are numbered 0-31 (on the PCB silkscreen). */ |
c37d2b1b | 59 | static const char *probe_names[NUM_PROBES + 1] = { |
464d12c7 KS |
60 | "0", |
61 | "1", | |
62 | "2", | |
63 | "3", | |
64 | "4", | |
65 | "5", | |
66 | "6", | |
67 | "7", | |
68 | "8", | |
69 | "9", | |
70 | "10", | |
71 | "11", | |
72 | "12", | |
73 | "13", | |
74 | "14", | |
75 | "15", | |
76 | "16", | |
77 | "17", | |
78 | "18", | |
79 | "19", | |
80 | "20", | |
81 | "21", | |
82 | "22", | |
83 | "23", | |
84 | "24", | |
85 | "25", | |
86 | "26", | |
87 | "27", | |
88 | "28", | |
89 | "29", | |
90 | "30", | |
91 | "31", | |
92 | NULL, | |
93 | }; | |
94 | ||
4fe9a6da | 95 | /* default supported samplerates, can be overridden by device metadata */ |
60679b18 | 96 | static struct sr_samplerates samplerates = { |
c9140419 | 97 | SR_HZ(10), |
59df0c77 | 98 | SR_MHZ(200), |
c9140419 UH |
99 | SR_HZ(1), |
100 | NULL, | |
a1bb33af UH |
101 | }; |
102 | ||
d68e2d1a UH |
103 | /* List of struct sr_serial_dev_inst */ |
104 | static GSList *dev_insts = NULL; | |
a1bb33af | 105 | |
6937bb75 | 106 | static int send_shortcommand(int fd, uint8_t command) |
a1bb33af UH |
107 | { |
108 | char buf[1]; | |
109 | ||
b08024a8 | 110 | sr_dbg("ols: sending cmd 0x%.2x", command); |
a1bb33af | 111 | buf[0] = command; |
2119ab03 | 112 | if (serial_write(fd, buf, 1) != 1) |
e46b8fb1 | 113 | return SR_ERR; |
a1bb33af | 114 | |
e46b8fb1 | 115 | return SR_OK; |
a1bb33af UH |
116 | } |
117 | ||
6937bb75 | 118 | static int send_longcommand(int fd, uint8_t command, uint32_t data) |
a1bb33af UH |
119 | { |
120 | char buf[5]; | |
121 | ||
b08024a8 | 122 | sr_dbg("ols: sending cmd 0x%.2x data 0x%.8x", command, data); |
a1bb33af | 123 | buf[0] = command; |
6937bb75 BV |
124 | buf[1] = (data & 0xff000000) >> 24; |
125 | buf[2] = (data & 0xff0000) >> 16; | |
126 | buf[3] = (data & 0xff00) >> 8; | |
127 | buf[4] = data & 0xff; | |
2119ab03 | 128 | if (serial_write(fd, buf, 5) != 5) |
e46b8fb1 | 129 | return SR_ERR; |
a1bb33af | 130 | |
e46b8fb1 | 131 | return SR_OK; |
a1bb33af UH |
132 | } |
133 | ||
ea9cfed7 | 134 | static int configure_probes(struct context *ctx, GSList *probes) |
a1bb33af | 135 | { |
1afe8989 | 136 | struct sr_probe *probe; |
a1bb33af | 137 | GSList *l; |
6937bb75 | 138 | int probe_bit, stage, i; |
a1bb33af UH |
139 | char *tc; |
140 | ||
ea9cfed7 | 141 | ctx->probe_mask = 0; |
43fc7885 | 142 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
ea9cfed7 UH |
143 | ctx->trigger_mask[i] = 0; |
144 | ctx->trigger_value[i] = 0; | |
a1bb33af UH |
145 | } |
146 | ||
ea9cfed7 | 147 | ctx->num_stages = 0; |
43fc7885 | 148 | for (l = probes; l; l = l->next) { |
1afe8989 | 149 | probe = (struct sr_probe *)l->data; |
43fc7885 | 150 | if (!probe->enabled) |
6937bb75 BV |
151 | continue; |
152 | ||
43fc7885 UH |
153 | /* |
154 | * Set up the probe mask for later configuration into the | |
155 | * flag register. | |
156 | */ | |
a1bb33af | 157 | probe_bit = 1 << (probe->index - 1); |
ea9cfed7 | 158 | ctx->probe_mask |= probe_bit; |
6937bb75 | 159 | |
a803c0db | 160 | if (!probe->trigger) |
6937bb75 BV |
161 | continue; |
162 | ||
43fc7885 | 163 | /* Configure trigger mask and value. */ |
6937bb75 | 164 | stage = 0; |
43fc7885 | 165 | for (tc = probe->trigger; tc && *tc; tc++) { |
ea9cfed7 | 166 | ctx->trigger_mask[stage] |= probe_bit; |
43fc7885 | 167 | if (*tc == '1') |
ea9cfed7 | 168 | ctx->trigger_value[stage] |= probe_bit; |
6937bb75 | 169 | stage++; |
43fc7885 UH |
170 | if (stage > 3) |
171 | /* | |
172 | * TODO: Only supporting parallel mode, with | |
173 | * up to 4 stages. | |
174 | */ | |
e46b8fb1 | 175 | return SR_ERR; |
a1bb33af | 176 | } |
ea9cfed7 UH |
177 | if (stage > ctx->num_stages) |
178 | ctx->num_stages = stage; | |
a1bb33af UH |
179 | } |
180 | ||
e46b8fb1 | 181 | return SR_OK; |
a1bb33af UH |
182 | } |
183 | ||
a803c0db | 184 | static uint32_t reverse16(uint32_t in) |
6937bb75 BV |
185 | { |
186 | uint32_t out; | |
187 | ||
a803c0db BV |
188 | out = (in & 0xff) << 8; |
189 | out |= (in & 0xff00) >> 8; | |
190 | out |= (in & 0xff0000) << 8; | |
191 | out |= (in & 0xff000000) >> 8; | |
192 | ||
193 | return out; | |
194 | } | |
195 | ||
196 | static uint32_t reverse32(uint32_t in) | |
197 | { | |
198 | uint32_t out; | |
199 | ||
200 | out = (in & 0xff) << 24; | |
201 | out |= (in & 0xff00) << 8; | |
202 | out |= (in & 0xff0000) >> 8; | |
203 | out |= (in & 0xff000000) >> 24; | |
204 | ||
205 | return out; | |
6937bb75 BV |
206 | } |
207 | ||
ea9cfed7 | 208 | static struct context *ols_dev_new(void) |
4fe9a6da | 209 | { |
ea9cfed7 | 210 | struct context *ctx; |
4fe9a6da | 211 | |
ea9cfed7 UH |
212 | /* TODO: Is 'ctx' ever g_free()'d? */ |
213 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { | |
214 | sr_err("ols: %s: ctx malloc failed", __func__); | |
b53738ba UH |
215 | return NULL; |
216 | } | |
217 | ||
ea9cfed7 UH |
218 | ctx->trigger_at = -1; |
219 | ctx->probe_mask = 0xffffffff; | |
220 | ctx->cur_samplerate = SR_KHZ(200); | |
221 | ctx->serial = NULL; | |
4fe9a6da | 222 | |
ea9cfed7 | 223 | return ctx; |
4fe9a6da BV |
224 | } |
225 | ||
d68e2d1a | 226 | static struct sr_dev_inst *get_metadata(int fd) |
4fe9a6da | 227 | { |
d68e2d1a | 228 | struct sr_dev_inst *sdi; |
ea9cfed7 | 229 | struct context *ctx; |
4fe9a6da BV |
230 | uint32_t tmp_int; |
231 | uint8_t key, type, token; | |
bb7ef793 | 232 | GString *tmp_str, *devname, *version; |
4fe9a6da BV |
233 | gchar tmp_c; |
234 | ||
d3683c42 | 235 | sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, NULL, NULL, NULL); |
ea9cfed7 UH |
236 | ctx = ols_dev_new(); |
237 | sdi->priv = ctx; | |
4fe9a6da | 238 | |
bb7ef793 | 239 | devname = g_string_new(""); |
4fe9a6da BV |
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 */ | |
bb7ef793 | 259 | devname = g_string_append(devname, tmp_str->str); |
4fe9a6da BV |
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 */ | |
ea9cfed7 | 292 | ctx->num_probes = tmp_int; |
4fe9a6da BV |
293 | break; |
294 | case 0x01: | |
295 | /* Amount of sample memory available (bytes) */ | |
ea9cfed7 | 296 | ctx->max_samples = tmp_int; |
4fe9a6da BV |
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) */ | |
ea9cfed7 | 304 | ctx->max_samplerate = tmp_int; |
4fe9a6da BV |
305 | break; |
306 | case 0x04: | |
307 | /* protocol version */ | |
ea9cfed7 | 308 | ctx->protocol_version = tmp_int; |
4fe9a6da BV |
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 */ | |
ea9cfed7 | 325 | ctx->num_probes = tmp_c; |
4fe9a6da BV |
326 | break; |
327 | case 0x01: | |
328 | /* protocol version */ | |
ea9cfed7 | 329 | ctx->protocol_version = tmp_c; |
4fe9a6da BV |
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 | ||
bb7ef793 | 343 | sdi->model = devname->str; |
4fe9a6da | 344 | sdi->version = version->str; |
bb7ef793 | 345 | g_string_free(devname, FALSE); |
4fe9a6da BV |
346 | g_string_free(version, FALSE); |
347 | ||
348 | return sdi; | |
349 | } | |
350 | ||
bb7ef793 | 351 | static int hw_init(const char *devinfo) |
a1bb33af | 352 | { |
d68e2d1a | 353 | struct sr_dev_inst *sdi; |
ea9cfed7 | 354 | struct context *ctx; |
a1bb33af | 355 | GSList *ports, *l; |
4fe9a6da | 356 | GPollFD *fds, probefd; |
6937bb75 | 357 | int devcnt, final_devcnt, num_ports, fd, ret, i; |
bb7ef793 | 358 | char buf[8], **dev_names, **serial_params; |
a1bb33af | 359 | |
c0a4b971 UH |
360 | final_devcnt = 0; |
361 | ||
bb7ef793 UH |
362 | if (devinfo) |
363 | ports = g_slist_append(NULL, g_strdup(devinfo)); | |
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 | ||
bb7ef793 UH |
375 | if (!(dev_names = g_try_malloc(num_ports * sizeof(char *)))) { |
376 | sr_err("ols: %s: dev_names malloc failed", __func__); | |
c0a4b971 UH |
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__); | |
bb7ef793 | 382 | goto hw_init_free_dev_names; /* TODO: SR_ERR_MALLOC. */ |
c0a4b971 UH |
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; | |
bb7ef793 | 419 | dev_names[devcnt] = g_strdup(l->data); |
6937bb75 | 420 | devcnt++; |
a1bb33af | 421 | } |
133a37bf | 422 | g_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 */ | |
d3683c42 | 450 | sdi = sr_dev_inst_new(final_devcnt, SR_ST_INACTIVE, |
4fe9a6da | 451 | "Sump", "Logic Analyzer", "v1.0"); |
ea9cfed7 UH |
452 | ctx = ols_dev_new(); |
453 | ctx->num_probes = 32; | |
454 | sdi->priv = ctx; | |
a1bb33af | 455 | } |
ea9cfed7 | 456 | ctx->serial = sr_serial_dev_inst_new(dev_names[i], -1); |
d68e2d1a | 457 | dev_insts = g_slist_append(dev_insts, sdi); |
4fe9a6da BV |
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 | } |
133a37bf | 469 | g_free(serial_params[i]); |
bb7ef793 | 470 | g_free(dev_names[i]); |
a1bb33af UH |
471 | } |
472 | ||
c0a4b971 | 473 | g_free(serial_params); |
bb7ef793 UH |
474 | hw_init_free_dev_names: |
475 | g_free(dev_names); | |
c0a4b971 UH |
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 | ||
e7eb703f | 484 | static int hw_dev_open(int dev_index) |
a1bb33af | 485 | { |
d68e2d1a | 486 | struct sr_dev_inst *sdi; |
ea9cfed7 | 487 | struct context *ctx; |
a1bb33af | 488 | |
bb7ef793 | 489 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
e46b8fb1 | 490 | return SR_ERR; |
a1bb33af | 491 | |
ea9cfed7 | 492 | ctx = sdi->priv; |
69890f73 | 493 | |
ea9cfed7 UH |
494 | ctx->serial->fd = serial_open(ctx->serial->port, O_RDWR); |
495 | if (ctx->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 | ||
e7eb703f | 503 | static int hw_dev_close(int dev_index) |
a1bb33af | 504 | { |
d68e2d1a | 505 | struct sr_dev_inst *sdi; |
ea9cfed7 | 506 | struct context *ctx; |
a1bb33af | 507 | |
bb7ef793 | 508 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { |
697785d1 UH |
509 | sr_err("ols: %s: sdi was NULL", __func__); |
510 | return SR_ERR; /* TODO: SR_ERR_ARG? */ | |
511 | } | |
a1bb33af | 512 | |
ea9cfed7 | 513 | ctx = sdi->priv; |
69890f73 | 514 | |
697785d1 | 515 | /* TODO */ |
ea9cfed7 UH |
516 | if (ctx->serial->fd != -1) { |
517 | serial_close(ctx->serial->fd); | |
518 | ctx->serial->fd = -1; | |
5a2326a7 | 519 | sdi->status = SR_ST_INACTIVE; |
a1bb33af | 520 | } |
697785d1 UH |
521 | |
522 | return SR_OK; | |
a1bb33af UH |
523 | } |
524 | ||
57ab7d9f | 525 | static int hw_cleanup(void) |
a1bb33af UH |
526 | { |
527 | GSList *l; | |
d68e2d1a | 528 | struct sr_dev_inst *sdi; |
ea9cfed7 | 529 | struct context *ctx; |
57ab7d9f | 530 | int ret = SR_OK; |
a1bb33af | 531 | |
8722c31e | 532 | /* Properly close and free all devices. */ |
d68e2d1a | 533 | for (l = dev_insts; l; l = l->next) { |
57ab7d9f UH |
534 | if (!(sdi = l->data)) { |
535 | /* Log error, but continue cleaning up the rest. */ | |
536 | sr_err("ols: %s: sdi was NULL, continuing", __func__); | |
537 | ret = SR_ERR_BUG; | |
538 | continue; | |
539 | } | |
ea9cfed7 | 540 | if (!(ctx = sdi->priv)) { |
57ab7d9f UH |
541 | /* Log error, but continue cleaning up the rest. */ |
542 | sr_err("ols: %s: sdi->priv was NULL, continuing", | |
543 | __func__); | |
544 | ret = SR_ERR_BUG; | |
545 | continue; | |
546 | } | |
547 | /* TODO: Check for serial != NULL. */ | |
ea9cfed7 UH |
548 | if (ctx->serial->fd != -1) |
549 | serial_close(ctx->serial->fd); | |
550 | sr_serial_dev_inst_free(ctx->serial); | |
d3683c42 | 551 | sr_dev_inst_free(sdi); |
a1bb33af | 552 | } |
d68e2d1a UH |
553 | g_slist_free(dev_insts); |
554 | dev_insts = NULL; | |
57ab7d9f UH |
555 | |
556 | return ret; | |
a1bb33af UH |
557 | } |
558 | ||
5097b0d0 | 559 | static void *hw_dev_info_get(int dev_index, int dev_info_id) |
a1bb33af | 560 | { |
d68e2d1a | 561 | struct sr_dev_inst *sdi; |
ea9cfed7 | 562 | struct context *ctx; |
a1bb33af UH |
563 | void *info; |
564 | ||
bb7ef793 | 565 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
a1bb33af | 566 | return NULL; |
ea9cfed7 | 567 | ctx = sdi->priv; |
a1bb33af UH |
568 | |
569 | info = NULL; | |
bb7ef793 | 570 | switch (dev_info_id) { |
1d9a8a5f | 571 | case SR_DI_INST: |
a1bb33af UH |
572 | info = sdi; |
573 | break; | |
5a2326a7 | 574 | case SR_DI_NUM_PROBES: |
a1bb33af UH |
575 | info = GINT_TO_POINTER(NUM_PROBES); |
576 | break; | |
464d12c7 KS |
577 | case SR_DI_PROBE_NAMES: |
578 | info = probe_names; | |
579 | break; | |
5a2326a7 | 580 | case SR_DI_SAMPLERATES: |
a1bb33af UH |
581 | info = &samplerates; |
582 | break; | |
5a2326a7 | 583 | case SR_DI_TRIGGER_TYPES: |
43fc7885 | 584 | info = (char *)TRIGGER_TYPES; |
a1bb33af | 585 | break; |
5a2326a7 | 586 | case SR_DI_CUR_SAMPLERATE: |
ea9cfed7 | 587 | info = &ctx->cur_samplerate; |
a1bb33af UH |
588 | break; |
589 | } | |
590 | ||
591 | return info; | |
592 | } | |
593 | ||
e7eb703f | 594 | static int hw_dev_status_get(int dev_index) |
a1bb33af | 595 | { |
d68e2d1a | 596 | struct sr_dev_inst *sdi; |
a1bb33af | 597 | |
bb7ef793 | 598 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
5a2326a7 | 599 | return SR_ST_NOT_FOUND; |
a1bb33af UH |
600 | |
601 | return sdi->status; | |
602 | } | |
603 | ||
ffedd0bf | 604 | static int *hw_hwcap_get_all(void) |
a1bb33af | 605 | { |
ffedd0bf | 606 | return hwcaps; |
a1bb33af UH |
607 | } |
608 | ||
a9a245b4 | 609 | static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate) |
a1bb33af | 610 | { |
ea9cfed7 | 611 | struct context *ctx; |
a1bb33af | 612 | |
ea9cfed7 UH |
613 | ctx = sdi->priv; |
614 | if (ctx->max_samplerate) { | |
615 | if (samplerate > ctx->max_samplerate) | |
4fe9a6da BV |
616 | return SR_ERR_SAMPLERATE; |
617 | } else if (samplerate < samplerates.low || samplerate > samplerates.high) | |
e46b8fb1 | 618 | return SR_ERR_SAMPLERATE; |
a1bb33af | 619 | |
43fc7885 | 620 | if (samplerate > CLOCK_RATE) { |
ea9cfed7 UH |
621 | ctx->flag_reg |= FLAG_DEMUX; |
622 | ctx->cur_samplerate_divider = (CLOCK_RATE * 2 / samplerate) - 1; | |
43fc7885 | 623 | } else { |
ea9cfed7 UH |
624 | ctx->flag_reg &= ~FLAG_DEMUX; |
625 | ctx->cur_samplerate_divider = (CLOCK_RATE / samplerate) - 1; | |
a1bb33af | 626 | } |
a1bb33af | 627 | |
7583b99d GM |
628 | /* Calculate actual samplerate used and complain if it is different |
629 | * from the requested. | |
630 | */ | |
ea9cfed7 UH |
631 | ctx->cur_samplerate = CLOCK_RATE / (ctx->cur_samplerate_divider + 1); |
632 | if (ctx->flag_reg & FLAG_DEMUX) | |
633 | ctx->cur_samplerate *= 2; | |
634 | if (ctx->cur_samplerate != samplerate) | |
133a37bf | 635 | sr_err("ols: can't match samplerate %" PRIu64 ", using %" |
ea9cfed7 | 636 | PRIu64, samplerate, ctx->cur_samplerate); |
7583b99d | 637 | |
e46b8fb1 | 638 | return SR_OK; |
a1bb33af UH |
639 | } |
640 | ||
a9a245b4 | 641 | static int hw_dev_config_set(int dev_index, int hwcap, void *value) |
a1bb33af | 642 | { |
d68e2d1a | 643 | struct sr_dev_inst *sdi; |
ea9cfed7 | 644 | struct context *ctx; |
a1bb33af UH |
645 | int ret; |
646 | uint64_t *tmp_u64; | |
647 | ||
bb7ef793 | 648 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
e46b8fb1 | 649 | return SR_ERR; |
ea9cfed7 | 650 | ctx = sdi->priv; |
a1bb33af | 651 | |
5a2326a7 | 652 | if (sdi->status != SR_ST_ACTIVE) |
e46b8fb1 | 653 | return SR_ERR; |
a1bb33af | 654 | |
ffedd0bf | 655 | switch (hwcap) { |
5a2326a7 | 656 | case SR_HWCAP_SAMPLERATE: |
ee61b340 | 657 | ret = set_samplerate(sdi, *(uint64_t *)value); |
a803c0db | 658 | break; |
5a2326a7 | 659 | case SR_HWCAP_PROBECONFIG: |
ea9cfed7 | 660 | ret = configure_probes(ctx, (GSList *)value); |
a803c0db | 661 | break; |
5a2326a7 | 662 | case SR_HWCAP_LIMIT_SAMPLES: |
2458ea65 | 663 | tmp_u64 = value; |
574ce498 | 664 | if (*tmp_u64 < MIN_NUM_SAMPLES) |
e46b8fb1 | 665 | return SR_ERR; |
ea9cfed7 | 666 | if (*tmp_u64 > ctx->max_samples) |
133a37bf | 667 | sr_err("ols: sample limit exceeds hw max"); |
ea9cfed7 UH |
668 | ctx->limit_samples = *tmp_u64; |
669 | sr_info("ols: sample limit %" PRIu64, ctx->limit_samples); | |
e46b8fb1 | 670 | ret = SR_OK; |
a803c0db | 671 | break; |
5a2326a7 | 672 | case SR_HWCAP_CAPTURE_RATIO: |
ea9cfed7 UH |
673 | ctx->capture_ratio = *(uint64_t *)value; |
674 | if (ctx->capture_ratio < 0 || ctx->capture_ratio > 100) { | |
675 | ctx->capture_ratio = 0; | |
e46b8fb1 | 676 | ret = SR_ERR; |
43fc7885 | 677 | } else |
e46b8fb1 | 678 | ret = SR_OK; |
a803c0db | 679 | break; |
3a4d09c0 | 680 | case SR_HWCAP_RLE: |
4d436e71 | 681 | if (GPOINTER_TO_INT(value)) { |
3a4d09c0 | 682 | sr_info("ols: enabling RLE"); |
ea9cfed7 | 683 | ctx->flag_reg |= FLAG_RLE; |
3a4d09c0 GM |
684 | } |
685 | ret = SR_OK; | |
686 | break; | |
a803c0db | 687 | default: |
e46b8fb1 | 688 | ret = SR_ERR; |
43fc7885 | 689 | } |
a1bb33af UH |
690 | |
691 | return ret; | |
692 | } | |
693 | ||
9c939c51 | 694 | static int receive_data(int fd, int revents, void *session_data) |
a1bb33af | 695 | { |
b9c735a2 | 696 | struct sr_datafeed_packet packet; |
9c939c51 | 697 | struct sr_datafeed_logic logic; |
d68e2d1a | 698 | struct sr_dev_inst *sdi; |
ea9cfed7 | 699 | struct context *ctx; |
4fe9a6da | 700 | GSList *l; |
3a4d09c0 GM |
701 | int num_channels, offset, i, j; |
702 | unsigned char byte; | |
a1bb33af | 703 | |
ea9cfed7 UH |
704 | /* Find this device's ctx struct by its fd. */ |
705 | ctx = NULL; | |
d68e2d1a | 706 | for (l = dev_insts; l; l = l->next) { |
4fe9a6da | 707 | sdi = l->data; |
ea9cfed7 UH |
708 | if (ctx->serial->fd == fd) { |
709 | ctx = sdi->priv; | |
4fe9a6da BV |
710 | break; |
711 | } | |
712 | } | |
ea9cfed7 UH |
713 | if (!ctx) |
714 | /* Shouldn't happen. */ | |
4fe9a6da BV |
715 | return TRUE; |
716 | ||
ea9cfed7 | 717 | if (ctx->num_transfers++ == 0) { |
43fc7885 UH |
718 | /* |
719 | * First time round, means the device started sending data, | |
720 | * and will not stop until done. If it stops sending for | |
721 | * longer than it takes to send a byte, that means it's | |
722 | * finished. We'll double that to 30ms to be sure... | |
a1bb33af | 723 | */ |
6f1be0a2 | 724 | sr_source_remove(fd); |
9c939c51 | 725 | sr_source_add(fd, G_IO_IN, 30, receive_data, session_data); |
ea9cfed7 UH |
726 | ctx->raw_sample_buf = g_try_malloc(ctx->limit_samples * 4); |
727 | if (!ctx->raw_sample_buf) { | |
728 | sr_err("ols: %s: ctx->raw_sample_buf malloc failed", | |
c0a4b971 UH |
729 | __func__); |
730 | return FALSE; | |
731 | } | |
a803c0db | 732 | /* fill with 1010... for debugging */ |
ea9cfed7 | 733 | memset(ctx->raw_sample_buf, 0x82, ctx->limit_samples * 4); |
a1bb33af UH |
734 | } |
735 | ||
6937bb75 | 736 | num_channels = 0; |
43fc7885 | 737 | for (i = 0x20; i > 0x02; i /= 2) { |
ea9cfed7 | 738 | if ((ctx->flag_reg & i) == 0) |
6937bb75 | 739 | num_channels++; |
43fc7885 | 740 | } |
6937bb75 | 741 | |
3a4d09c0 | 742 | if (revents == G_IO_IN) { |
2119ab03 | 743 | if (serial_read(fd, &byte, 1) != 1) |
a1bb33af UH |
744 | return FALSE; |
745 | ||
baf1d714 | 746 | /* Ignore it if we've read enough. */ |
ea9cfed7 | 747 | if (ctx->num_samples >= ctx->limit_samples) |
baf1d714 | 748 | return TRUE; |
3a4d09c0 | 749 | |
ea9cfed7 | 750 | ctx->sample[ctx->num_bytes++] = byte; |
b08024a8 | 751 | sr_dbg("ols: received byte 0x%.2x", byte); |
ea9cfed7 | 752 | if (ctx->num_bytes == num_channels) { |
43fc7885 | 753 | /* Got a full sample. */ |
b08024a8 | 754 | sr_dbg("ols: received sample 0x%.*x", |
ea9cfed7 UH |
755 | ctx->num_bytes * 2, *(int *)ctx->sample); |
756 | if (ctx->flag_reg & FLAG_RLE) { | |
43fc7885 UH |
757 | /* |
758 | * In RLE mode -1 should never come in as a | |
759 | * sample, because bit 31 is the "count" flag. | |
43fc7885 | 760 | */ |
ea9cfed7 UH |
761 | if (ctx->sample[ctx->num_bytes - 1] & 0x80) { |
762 | ctx->sample[ctx->num_bytes - 1] &= 0x7f; | |
baf1d714 UH |
763 | /* |
764 | * FIXME: This will only work on | |
765 | * little-endian systems. | |
a1bb33af | 766 | */ |
ea9cfed7 UH |
767 | ctx->rle_count = *(int *)(ctx->sample); |
768 | sr_dbg("ols: RLE count = %d", ctx->rle_count); | |
769 | ctx->num_bytes = 0; | |
3a4d09c0 | 770 | return TRUE; |
baf1d714 | 771 | } |
3a4d09c0 | 772 | } |
ea9cfed7 UH |
773 | ctx->num_samples += ctx->rle_count + 1; |
774 | if (ctx->num_samples > ctx->limit_samples) { | |
baf1d714 | 775 | /* Save us from overrunning the buffer. */ |
ea9cfed7 UH |
776 | ctx->rle_count -= ctx->num_samples - ctx->limit_samples; |
777 | ctx->num_samples = ctx->limit_samples; | |
a1bb33af UH |
778 | } |
779 | ||
43fc7885 UH |
780 | if (num_channels < 4) { |
781 | /* | |
782 | * Some channel groups may have been turned | |
783 | * off, to speed up transfer between the | |
784 | * hardware and the PC. Expand that here before | |
785 | * submitting it over the session bus -- | |
786 | * whatever is listening on the bus will be | |
787 | * expecting a full 32-bit sample, based on | |
788 | * the number of probes. | |
6937bb75 BV |
789 | */ |
790 | j = 0; | |
ea9cfed7 | 791 | memset(ctx->tmp_sample, 0, 4); |
43fc7885 | 792 | for (i = 0; i < 4; i++) { |
ea9cfed7 | 793 | if (((ctx->flag_reg >> 2) & (1 << i)) == 0) { |
43fc7885 UH |
794 | /* |
795 | * This channel group was | |
796 | * enabled, copy from received | |
797 | * sample. | |
798 | */ | |
ea9cfed7 | 799 | ctx->tmp_sample[i] = ctx->sample[j++]; |
6937bb75 BV |
800 | } |
801 | } | |
ea9cfed7 UH |
802 | memcpy(ctx->sample, ctx->tmp_sample, 4); |
803 | sr_dbg("ols: full sample 0x%.8x", *(int *)ctx->sample); | |
6937bb75 BV |
804 | } |
805 | ||
a803c0db BV |
806 | /* the OLS sends its sample buffer backwards. |
807 | * store it in reverse order here, so we can dump | |
808 | * this on the session bus later. | |
809 | */ | |
ea9cfed7 UH |
810 | offset = (ctx->limit_samples - ctx->num_samples) * 4; |
811 | for (i = 0; i <= ctx->rle_count; i++) { | |
812 | memcpy(ctx->raw_sample_buf + offset + (i * 4), | |
813 | ctx->sample, 4); | |
baf1d714 | 814 | } |
ea9cfed7 UH |
815 | memset(ctx->sample, 0, 4); |
816 | ctx->num_bytes = 0; | |
817 | ctx->rle_count = 0; | |
a1bb33af | 818 | } |
43fc7885 UH |
819 | } else { |
820 | /* | |
821 | * This is the main loop telling us a timeout was reached, or | |
822 | * we've acquired all the samples we asked for -- we're done. | |
a803c0db | 823 | * Send the (properly-ordered) buffer to the frontend. |
43fc7885 | 824 | */ |
ea9cfed7 | 825 | if (ctx->trigger_at != -1) { |
a803c0db BV |
826 | /* a trigger was set up, so we need to tell the frontend |
827 | * about it. | |
828 | */ | |
ea9cfed7 | 829 | if (ctx->trigger_at > 0) { |
a803c0db | 830 | /* there are pre-trigger samples, send those first */ |
5a2326a7 | 831 | packet.type = SR_DF_LOGIC; |
9c939c51 | 832 | packet.payload = &logic; |
ea9cfed7 | 833 | logic.length = ctx->trigger_at * 4; |
9c939c51 | 834 | logic.unitsize = 4; |
ea9cfed7 UH |
835 | logic.data = ctx->raw_sample_buf + |
836 | (ctx->limit_samples - ctx->num_samples) * 4; | |
9c939c51 | 837 | sr_session_bus(session_data, &packet); |
a803c0db BV |
838 | } |
839 | ||
9c939c51 | 840 | /* send the trigger */ |
5a2326a7 | 841 | packet.type = SR_DF_TRIGGER; |
9c939c51 | 842 | sr_session_bus(session_data, &packet); |
a803c0db | 843 | |
9c939c51 | 844 | /* send post-trigger samples */ |
5a2326a7 | 845 | packet.type = SR_DF_LOGIC; |
9c939c51 | 846 | packet.payload = &logic; |
ea9cfed7 | 847 | logic.length = (ctx->num_samples * 4) - (ctx->trigger_at * 4); |
9c939c51 | 848 | logic.unitsize = 4; |
ea9cfed7 UH |
849 | logic.data = ctx->raw_sample_buf + ctx->trigger_at * 4 + |
850 | (ctx->limit_samples - ctx->num_samples) * 4; | |
9c939c51 | 851 | sr_session_bus(session_data, &packet); |
a803c0db | 852 | } else { |
9c939c51 | 853 | /* no trigger was used */ |
5a2326a7 | 854 | packet.type = SR_DF_LOGIC; |
9c939c51 | 855 | packet.payload = &logic; |
ea9cfed7 | 856 | logic.length = ctx->num_samples * 4; |
9c939c51 | 857 | logic.unitsize = 4; |
ea9cfed7 UH |
858 | logic.data = ctx->raw_sample_buf + |
859 | (ctx->limit_samples - ctx->num_samples) * 4; | |
9c939c51 | 860 | sr_session_bus(session_data, &packet); |
a803c0db | 861 | } |
ea9cfed7 | 862 | g_free(ctx->raw_sample_buf); |
a803c0db | 863 | |
06d64eb8 | 864 | serial_flush(fd); |
d02a535e | 865 | serial_close(fd); |
5a2326a7 | 866 | packet.type = SR_DF_END; |
9c939c51 | 867 | sr_session_bus(session_data, &packet); |
a1bb33af UH |
868 | } |
869 | ||
870 | return TRUE; | |
871 | } | |
872 | ||
69040b7c | 873 | static int hw_dev_acquisition_start(int dev_index, gpointer session_data) |
a1bb33af | 874 | { |
b9c735a2 UH |
875 | struct sr_datafeed_packet *packet; |
876 | struct sr_datafeed_header *header; | |
d68e2d1a | 877 | struct sr_dev_inst *sdi; |
ea9cfed7 | 878 | struct context *ctx; |
a803c0db | 879 | uint32_t trigger_config[4]; |
a1bb33af | 880 | uint32_t data; |
6937bb75 BV |
881 | uint16_t readcount, delaycount; |
882 | uint8_t changrp_mask; | |
22130421 | 883 | int num_channels; |
4fe9a6da | 884 | int i; |
a1bb33af | 885 | |
bb7ef793 | 886 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
e46b8fb1 | 887 | return SR_ERR; |
c0a4b971 | 888 | |
ea9cfed7 | 889 | ctx = sdi->priv; |
a1bb33af | 890 | |
5a2326a7 | 891 | if (sdi->status != SR_ST_ACTIVE) |
e46b8fb1 | 892 | return SR_ERR; |
a1bb33af | 893 | |
22130421 GM |
894 | /* |
895 | * Enable/disable channel groups in the flag register according to the | |
baf1d714 | 896 | * probe mask. Calculate this here, because num_channels is needed |
22130421 GM |
897 | * to limit readcount. |
898 | */ | |
899 | changrp_mask = 0; | |
900 | num_channels = 0; | |
901 | for (i = 0; i < 4; i++) { | |
ea9cfed7 | 902 | if (ctx->probe_mask & (0xff << (i * 8))) { |
22130421 GM |
903 | changrp_mask |= (1 << i); |
904 | num_channels++; | |
905 | } | |
906 | } | |
907 | ||
baf1d714 UH |
908 | /* |
909 | * Limit readcount to prevent reading past the end of the hardware | |
22130421 GM |
910 | * buffer. |
911 | */ | |
ea9cfed7 | 912 | readcount = MIN(ctx->max_samples / num_channels, ctx->limit_samples) / 4; |
a803c0db BV |
913 | |
914 | memset(trigger_config, 0, 16); | |
ea9cfed7 UH |
915 | trigger_config[ctx->num_stages - 1] |= 0x08; |
916 | if (ctx->trigger_mask[0]) { | |
917 | delaycount = readcount * (1 - ctx->capture_ratio / 100.0); | |
918 | ctx->trigger_at = (readcount - delaycount) * 4 - ctx->num_stages; | |
a803c0db | 919 | |
ea9cfed7 UH |
920 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_MASK_0, |
921 | reverse32(ctx->trigger_mask[0])) != SR_OK) | |
e46b8fb1 | 922 | return SR_ERR; |
ea9cfed7 UH |
923 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_VALUE_0, |
924 | reverse32(ctx->trigger_value[0])) != SR_OK) | |
e46b8fb1 | 925 | return SR_ERR; |
ea9cfed7 | 926 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_CONFIG_0, |
e46b8fb1 UH |
927 | trigger_config[0]) != SR_OK) |
928 | return SR_ERR; | |
6937bb75 | 929 | |
ea9cfed7 UH |
930 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_MASK_1, |
931 | reverse32(ctx->trigger_mask[1])) != SR_OK) | |
e46b8fb1 | 932 | return SR_ERR; |
ea9cfed7 UH |
933 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_VALUE_1, |
934 | reverse32(ctx->trigger_value[1])) != SR_OK) | |
e46b8fb1 | 935 | return SR_ERR; |
ea9cfed7 | 936 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_CONFIG_1, |
e46b8fb1 UH |
937 | trigger_config[1]) != SR_OK) |
938 | return SR_ERR; | |
6937bb75 | 939 | |
ea9cfed7 UH |
940 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_MASK_2, |
941 | reverse32(ctx->trigger_mask[2])) != SR_OK) | |
e46b8fb1 | 942 | return SR_ERR; |
ea9cfed7 UH |
943 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_VALUE_2, |
944 | reverse32(ctx->trigger_value[2])) != SR_OK) | |
e46b8fb1 | 945 | return SR_ERR; |
ea9cfed7 | 946 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_CONFIG_2, |
e46b8fb1 UH |
947 | trigger_config[2]) != SR_OK) |
948 | return SR_ERR; | |
a803c0db | 949 | |
ea9cfed7 UH |
950 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_MASK_3, |
951 | reverse32(ctx->trigger_mask[3])) != SR_OK) | |
e46b8fb1 | 952 | return SR_ERR; |
ea9cfed7 UH |
953 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_VALUE_3, |
954 | reverse32(ctx->trigger_value[3])) != SR_OK) | |
e46b8fb1 | 955 | return SR_ERR; |
ea9cfed7 | 956 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_CONFIG_3, |
e46b8fb1 UH |
957 | trigger_config[3]) != SR_OK) |
958 | return SR_ERR; | |
6937bb75 | 959 | } else { |
ea9cfed7 UH |
960 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_MASK_0, |
961 | ctx->trigger_mask[0]) != SR_OK) | |
e46b8fb1 | 962 | return SR_ERR; |
ea9cfed7 UH |
963 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_VALUE_0, |
964 | ctx->trigger_value[0]) != SR_OK) | |
e46b8fb1 | 965 | return SR_ERR; |
ea9cfed7 | 966 | if (send_longcommand(ctx->serial->fd, CMD_SET_TRIGGER_CONFIG_0, |
e46b8fb1 UH |
967 | 0x00000008) != SR_OK) |
968 | return SR_ERR; | |
a803c0db | 969 | delaycount = readcount; |
6937bb75 | 970 | } |
a1bb33af | 971 | |
b08024a8 | 972 | sr_info("ols: setting samplerate to %" PRIu64 " Hz (divider %u, " |
ea9cfed7 UH |
973 | "demux %s)", ctx->cur_samplerate, ctx->cur_samplerate_divider, |
974 | ctx->flag_reg & FLAG_DEMUX ? "on" : "off"); | |
975 | if (send_longcommand(ctx->serial->fd, CMD_SET_DIVIDER, | |
976 | reverse32(ctx->cur_samplerate_divider)) != SR_OK) | |
4fe9a6da | 977 | return SR_ERR; |
a1bb33af | 978 | |
43fc7885 | 979 | /* Send sample limit and pre/post-trigger capture ratio. */ |
a803c0db BV |
980 | data = ((readcount - 1) & 0xffff) << 16; |
981 | data |= (delaycount - 1) & 0xffff; | |
ea9cfed7 | 982 | if (send_longcommand(ctx->serial->fd, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK) |
e46b8fb1 | 983 | return SR_ERR; |
a1bb33af | 984 | |
43fc7885 | 985 | /* The flag register wants them here, and 1 means "disable channel". */ |
ea9cfed7 UH |
986 | ctx->flag_reg |= ~(changrp_mask << 2) & 0x3c; |
987 | ctx->flag_reg |= FLAG_FILTER; | |
988 | ctx->rle_count = 0; | |
989 | data = (ctx->flag_reg << 24) | ((ctx->flag_reg << 8) & 0xff0000); | |
990 | if (send_longcommand(ctx->serial->fd, CMD_SET_FLAGS, data) != SR_OK) | |
e46b8fb1 | 991 | return SR_ERR; |
a1bb33af | 992 | |
43fc7885 | 993 | /* Start acquisition on the device. */ |
ea9cfed7 | 994 | if (send_shortcommand(ctx->serial->fd, CMD_RUN) != SR_OK) |
e46b8fb1 | 995 | return SR_ERR; |
a1bb33af | 996 | |
ea9cfed7 | 997 | sr_source_add(ctx->serial->fd, G_IO_IN, -1, receive_data, |
9c939c51 | 998 | session_data); |
a1bb33af | 999 | |
b53738ba UH |
1000 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { |
1001 | sr_err("ols: %s: packet malloc failed", __func__); | |
1002 | return SR_ERR_MALLOC; | |
1003 | } | |
1004 | ||
1005 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { | |
1006 | sr_err("ols: %s: header malloc failed", __func__); | |
c0a4b971 | 1007 | g_free(packet); |
b53738ba UH |
1008 | return SR_ERR_MALLOC; |
1009 | } | |
1010 | ||
43fc7885 | 1011 | /* Send header packet to the session bus. */ |
5a2326a7 | 1012 | packet->type = SR_DF_HEADER; |
43fc7885 | 1013 | packet->payload = (unsigned char *)header; |
a1bb33af UH |
1014 | header->feed_version = 1; |
1015 | gettimeofday(&header->starttime, NULL); | |
ea9cfed7 | 1016 | header->samplerate = ctx->cur_samplerate; |
c2616fb9 | 1017 | header->num_logic_probes = NUM_PROBES; |
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 | ||
69040b7c | 1026 | static int hw_dev_acquisition_stop(int dev_index, gpointer session_dev_id) |
a1bb33af | 1027 | { |
b9c735a2 | 1028 | struct sr_datafeed_packet packet; |
a1bb33af | 1029 | |
17e1afcb | 1030 | /* Avoid compiler warnings. */ |
bb7ef793 | 1031 | (void)dev_index; |
afc8e4de | 1032 | |
5a2326a7 | 1033 | packet.type = SR_DF_END; |
bb7ef793 | 1034 | sr_session_bus(session_dev_id, &packet); |
3010f21c UH |
1035 | |
1036 | return SR_OK; | |
a1bb33af UH |
1037 | } |
1038 | ||
bb7ef793 | 1039 | SR_PRIV struct sr_dev_plugin ols_plugin_info = { |
e519ba86 UH |
1040 | .name = "ols", |
1041 | .longname = "Openbench Logic Sniffer", | |
1042 | .api_version = 1, | |
1043 | .init = hw_init, | |
1044 | .cleanup = hw_cleanup, | |
e7eb703f UH |
1045 | .dev_open = hw_dev_open, |
1046 | .dev_close = hw_dev_close, | |
5097b0d0 | 1047 | .dev_info_get = hw_dev_info_get, |
e7eb703f | 1048 | .dev_status_get = hw_dev_status_get, |
ffedd0bf | 1049 | .hwcap_get_all = hw_hwcap_get_all, |
a9a245b4 | 1050 | .dev_config_set = hw_dev_config_set, |
69040b7c UH |
1051 | .dev_acquisition_start = hw_dev_acquisition_start, |
1052 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
a1bb33af | 1053 | }; |