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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> |
45c59c8b BV |
41 | #include "libsigrok.h" |
42 | #include "libsigrok-internal.h" | |
4fe9a6da | 43 | #include "ols.h" |
a1bb33af | 44 | |
fe1c50fb BV |
45 | #define SERIALCOMM "115200/8n1" |
46 | ||
915f7cc8 | 47 | static const int hwcaps[] = { |
5a2326a7 UH |
48 | SR_HWCAP_LOGIC_ANALYZER, |
49 | SR_HWCAP_SAMPLERATE, | |
50 | SR_HWCAP_CAPTURE_RATIO, | |
51 | SR_HWCAP_LIMIT_SAMPLES, | |
3a4d09c0 | 52 | SR_HWCAP_RLE, |
43fc7885 | 53 | 0, |
a1bb33af UH |
54 | }; |
55 | ||
d261dbbf | 56 | /* Probes are numbered 0-31 (on the PCB silkscreen). */ |
c37d2b1b | 57 | static const char *probe_names[NUM_PROBES + 1] = { |
464d12c7 KS |
58 | "0", |
59 | "1", | |
60 | "2", | |
61 | "3", | |
62 | "4", | |
63 | "5", | |
64 | "6", | |
65 | "7", | |
66 | "8", | |
67 | "9", | |
68 | "10", | |
69 | "11", | |
70 | "12", | |
71 | "13", | |
72 | "14", | |
73 | "15", | |
74 | "16", | |
75 | "17", | |
76 | "18", | |
77 | "19", | |
78 | "20", | |
79 | "21", | |
80 | "22", | |
81 | "23", | |
82 | "24", | |
83 | "25", | |
84 | "26", | |
85 | "27", | |
86 | "28", | |
87 | "29", | |
88 | "30", | |
89 | "31", | |
90 | NULL, | |
91 | }; | |
92 | ||
4fe9a6da | 93 | /* default supported samplerates, can be overridden by device metadata */ |
a533743d | 94 | static const struct sr_samplerates samplerates = { |
c9140419 | 95 | SR_HZ(10), |
59df0c77 | 96 | SR_MHZ(200), |
c9140419 UH |
97 | SR_HZ(1), |
98 | NULL, | |
a1bb33af UH |
99 | }; |
100 | ||
e5e81856 BV |
101 | SR_PRIV struct sr_dev_driver ols_driver_info; |
102 | static struct sr_dev_driver *odi = &ols_driver_info; | |
a1bb33af | 103 | |
530f201e BV |
104 | static int send_shortcommand(struct sr_serial_dev_inst *serial, |
105 | 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; |
530f201e | 111 | if (serial_write(serial, buf, 1) != 1) |
e46b8fb1 | 112 | return SR_ERR; |
a1bb33af | 113 | |
e46b8fb1 | 114 | return SR_OK; |
a1bb33af UH |
115 | } |
116 | ||
530f201e BV |
117 | static int send_longcommand(struct sr_serial_dev_inst *serial, |
118 | 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; | |
530f201e | 128 | if (serial_write(serial, buf, 5) != 5) |
e46b8fb1 | 129 | return SR_ERR; |
a1bb33af | 130 | |
e46b8fb1 | 131 | return SR_OK; |
a1bb33af UH |
132 | } |
133 | ||
014359e3 | 134 | static int configure_probes(const struct sr_dev_inst *sdi) |
a1bb33af | 135 | { |
014359e3 | 136 | struct dev_context *devc; |
1b79df2f JH |
137 | const struct sr_probe *probe; |
138 | const GSList *l; | |
6937bb75 | 139 | int probe_bit, stage, i; |
a1bb33af UH |
140 | char *tc; |
141 | ||
014359e3 BV |
142 | devc = sdi->priv; |
143 | ||
fefc4b85 | 144 | devc->probe_mask = 0; |
43fc7885 | 145 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
fefc4b85 BV |
146 | devc->trigger_mask[i] = 0; |
147 | devc->trigger_value[i] = 0; | |
a1bb33af UH |
148 | } |
149 | ||
fefc4b85 | 150 | devc->num_stages = 0; |
014359e3 | 151 | for (l = sdi->probes; l; l = l->next) { |
1b79df2f | 152 | probe = (const struct sr_probe *)l->data; |
43fc7885 | 153 | if (!probe->enabled) |
6937bb75 BV |
154 | continue; |
155 | ||
43fc7885 UH |
156 | /* |
157 | * Set up the probe mask for later configuration into the | |
158 | * flag register. | |
159 | */ | |
b35c8293 | 160 | probe_bit = 1 << (probe->index); |
fefc4b85 | 161 | devc->probe_mask |= probe_bit; |
6937bb75 | 162 | |
a803c0db | 163 | if (!probe->trigger) |
6937bb75 BV |
164 | continue; |
165 | ||
43fc7885 | 166 | /* Configure trigger mask and value. */ |
6937bb75 | 167 | stage = 0; |
43fc7885 | 168 | for (tc = probe->trigger; tc && *tc; tc++) { |
fefc4b85 | 169 | devc->trigger_mask[stage] |= probe_bit; |
43fc7885 | 170 | if (*tc == '1') |
fefc4b85 | 171 | devc->trigger_value[stage] |= probe_bit; |
6937bb75 | 172 | stage++; |
43fc7885 UH |
173 | if (stage > 3) |
174 | /* | |
175 | * TODO: Only supporting parallel mode, with | |
176 | * up to 4 stages. | |
177 | */ | |
e46b8fb1 | 178 | return SR_ERR; |
a1bb33af | 179 | } |
fefc4b85 BV |
180 | if (stage > devc->num_stages) |
181 | devc->num_stages = stage; | |
a1bb33af UH |
182 | } |
183 | ||
e46b8fb1 | 184 | return SR_OK; |
a1bb33af UH |
185 | } |
186 | ||
a803c0db | 187 | static uint32_t reverse16(uint32_t in) |
6937bb75 BV |
188 | { |
189 | uint32_t out; | |
190 | ||
a803c0db BV |
191 | out = (in & 0xff) << 8; |
192 | out |= (in & 0xff00) >> 8; | |
193 | out |= (in & 0xff0000) << 8; | |
194 | out |= (in & 0xff000000) >> 8; | |
195 | ||
196 | return out; | |
197 | } | |
198 | ||
199 | static uint32_t reverse32(uint32_t in) | |
200 | { | |
201 | uint32_t out; | |
202 | ||
203 | out = (in & 0xff) << 24; | |
204 | out |= (in & 0xff00) << 8; | |
205 | out |= (in & 0xff0000) >> 8; | |
206 | out |= (in & 0xff000000) >> 24; | |
207 | ||
208 | return out; | |
6937bb75 BV |
209 | } |
210 | ||
fefc4b85 | 211 | static struct dev_context *ols_dev_new(void) |
4fe9a6da | 212 | { |
fefc4b85 | 213 | struct dev_context *devc; |
4fe9a6da | 214 | |
fefc4b85 BV |
215 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
216 | sr_err("ols: %s: devc malloc failed", __func__); | |
b53738ba UH |
217 | return NULL; |
218 | } | |
219 | ||
fefc4b85 BV |
220 | devc->trigger_at = -1; |
221 | devc->probe_mask = 0xffffffff; | |
222 | devc->cur_samplerate = SR_KHZ(200); | |
223 | devc->serial = NULL; | |
4fe9a6da | 224 | |
fefc4b85 | 225 | return devc; |
4fe9a6da BV |
226 | } |
227 | ||
530f201e | 228 | static struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial) |
4fe9a6da | 229 | { |
d68e2d1a | 230 | struct sr_dev_inst *sdi; |
fefc4b85 | 231 | struct dev_context *devc; |
10e5cbed BV |
232 | struct sr_probe *probe; |
233 | uint32_t tmp_int, ui; | |
4fe9a6da | 234 | uint8_t key, type, token; |
bb7ef793 | 235 | GString *tmp_str, *devname, *version; |
10e5cbed | 236 | guchar tmp_c; |
4fe9a6da | 237 | |
d3683c42 | 238 | sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, NULL, NULL, NULL); |
2efc5948 | 239 | sdi->driver = odi; |
fefc4b85 BV |
240 | devc = ols_dev_new(); |
241 | sdi->priv = devc; | |
4fe9a6da | 242 | |
bb7ef793 | 243 | devname = g_string_new(""); |
4fe9a6da BV |
244 | version = g_string_new(""); |
245 | ||
246 | key = 0xff; | |
247 | while (key) { | |
530f201e | 248 | if (serial_read(serial, &key, 1) != 1 || key == 0x00) |
4fe9a6da BV |
249 | break; |
250 | type = key >> 5; | |
251 | token = key & 0x1f; | |
252 | switch (type) { | |
253 | case 0: | |
254 | /* NULL-terminated string */ | |
255 | tmp_str = g_string_new(""); | |
530f201e | 256 | while (serial_read(serial, &tmp_c, 1) == 1 && tmp_c != '\0') |
4fe9a6da | 257 | g_string_append_c(tmp_str, tmp_c); |
b08024a8 UH |
258 | sr_dbg("ols: got metadata key 0x%.2x value '%s'", |
259 | key, tmp_str->str); | |
4fe9a6da BV |
260 | switch (token) { |
261 | case 0x01: | |
262 | /* Device name */ | |
bb7ef793 | 263 | devname = g_string_append(devname, tmp_str->str); |
4fe9a6da BV |
264 | break; |
265 | case 0x02: | |
266 | /* FPGA firmware version */ | |
267 | if (version->len) | |
268 | g_string_append(version, ", "); | |
269 | g_string_append(version, "FPGA version "); | |
270 | g_string_append(version, tmp_str->str); | |
271 | break; | |
272 | case 0x03: | |
273 | /* Ancillary version */ | |
274 | if (version->len) | |
275 | g_string_append(version, ", "); | |
276 | g_string_append(version, "Ancillary version "); | |
277 | g_string_append(version, tmp_str->str); | |
278 | break; | |
279 | default: | |
b08024a8 UH |
280 | sr_info("ols: unknown token 0x%.2x: '%s'", |
281 | token, tmp_str->str); | |
4fe9a6da BV |
282 | break; |
283 | } | |
284 | g_string_free(tmp_str, TRUE); | |
285 | break; | |
286 | case 1: | |
287 | /* 32-bit unsigned integer */ | |
530f201e | 288 | if (serial_read(serial, &tmp_int, 4) != 4) |
4fe9a6da BV |
289 | break; |
290 | tmp_int = reverse32(tmp_int); | |
b08024a8 UH |
291 | sr_dbg("ols: got metadata key 0x%.2x value 0x%.8x", |
292 | key, tmp_int); | |
4fe9a6da BV |
293 | switch (token) { |
294 | case 0x00: | |
295 | /* Number of usable probes */ | |
10e5cbed BV |
296 | for (ui = 0; ui < tmp_int; ui++) { |
297 | if (!(probe = sr_probe_new(ui, SR_PROBE_LOGIC, TRUE, | |
298 | probe_names[ui]))) | |
299 | return 0; | |
300 | sdi->probes = g_slist_append(sdi->probes, probe); | |
301 | } | |
4fe9a6da BV |
302 | break; |
303 | case 0x01: | |
304 | /* Amount of sample memory available (bytes) */ | |
fefc4b85 | 305 | devc->max_samples = tmp_int; |
4fe9a6da BV |
306 | break; |
307 | case 0x02: | |
308 | /* Amount of dynamic memory available (bytes) */ | |
309 | /* what is this for? */ | |
310 | break; | |
311 | case 0x03: | |
312 | /* Maximum sample rate (hz) */ | |
fefc4b85 | 313 | devc->max_samplerate = tmp_int; |
4fe9a6da BV |
314 | break; |
315 | case 0x04: | |
316 | /* protocol version */ | |
fefc4b85 | 317 | devc->protocol_version = tmp_int; |
4fe9a6da BV |
318 | break; |
319 | default: | |
b08024a8 UH |
320 | sr_info("ols: unknown token 0x%.2x: 0x%.8x", |
321 | token, tmp_int); | |
4fe9a6da BV |
322 | break; |
323 | } | |
324 | break; | |
325 | case 2: | |
326 | /* 8-bit unsigned integer */ | |
530f201e | 327 | if (serial_read(serial, &tmp_c, 1) != 1) |
4fe9a6da | 328 | break; |
b08024a8 UH |
329 | sr_dbg("ols: got metadata key 0x%.2x value 0x%.2x", |
330 | key, tmp_c); | |
4fe9a6da BV |
331 | switch (token) { |
332 | case 0x00: | |
333 | /* Number of usable probes */ | |
10e5cbed BV |
334 | for (ui = 0; ui < tmp_c; ui++) { |
335 | if (!(probe = sr_probe_new(ui, SR_PROBE_LOGIC, TRUE, | |
336 | probe_names[ui]))) | |
337 | return 0; | |
338 | sdi->probes = g_slist_append(sdi->probes, probe); | |
339 | } | |
4fe9a6da BV |
340 | break; |
341 | case 0x01: | |
342 | /* protocol version */ | |
fefc4b85 | 343 | devc->protocol_version = tmp_c; |
4fe9a6da BV |
344 | break; |
345 | default: | |
b08024a8 UH |
346 | sr_info("ols: unknown token 0x%.2x: 0x%.2x", |
347 | token, tmp_c); | |
4fe9a6da BV |
348 | break; |
349 | } | |
350 | break; | |
351 | default: | |
352 | /* unknown type */ | |
353 | break; | |
354 | } | |
355 | } | |
356 | ||
bb7ef793 | 357 | sdi->model = devname->str; |
4fe9a6da | 358 | sdi->version = version->str; |
bb7ef793 | 359 | g_string_free(devname, FALSE); |
4fe9a6da BV |
360 | g_string_free(version, FALSE); |
361 | ||
362 | return sdi; | |
363 | } | |
364 | ||
34f06b90 | 365 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 366 | { |
fefc4b85 | 367 | struct drv_context *drvc; |
61136ea6 | 368 | |
fefc4b85 BV |
369 | if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { |
370 | sr_err("ols: driver context malloc failed."); | |
886a52b6 | 371 | return SR_ERR_MALLOC; |
fefc4b85 BV |
372 | } |
373 | odi->priv = drvc; | |
61136ea6 BV |
374 | |
375 | return SR_OK; | |
376 | } | |
377 | ||
10e5cbed | 378 | static GSList *hw_scan(GSList *options) |
a1bb33af | 379 | { |
a99e0d2a | 380 | struct sr_hwopt *opt; |
d68e2d1a | 381 | struct sr_dev_inst *sdi; |
fefc4b85 BV |
382 | struct drv_context *drvc; |
383 | struct dev_context *devc; | |
10e5cbed | 384 | struct sr_probe *probe; |
530f201e | 385 | struct sr_serial_dev_inst *serial; |
a99e0d2a | 386 | GPollFD probefd; |
fe1c50fb | 387 | GSList *l, *devices; |
530f201e | 388 | int ret, i; |
fe1c50fb | 389 | const char *conn, *serialcomm; |
a99e0d2a | 390 | char buf[8]; |
a1bb33af | 391 | |
10e5cbed | 392 | (void)options; |
fefc4b85 | 393 | drvc = odi->priv; |
10e5cbed | 394 | devices = NULL; |
c0a4b971 | 395 | |
a99e0d2a AG |
396 | conn = serialcomm = NULL; |
397 | for (l = options; l; l = l->next) { | |
398 | opt = l->data; | |
399 | switch (opt->hwopt) { | |
400 | case SR_HWOPT_CONN: | |
401 | conn = opt->value; | |
402 | break; | |
403 | case SR_HWOPT_SERIALCOMM: | |
404 | serialcomm = opt->value; | |
405 | break; | |
406 | } | |
407 | } | |
90165efe | 408 | if (!conn) |
a99e0d2a | 409 | return NULL; |
c0a4b971 | 410 | |
fe1c50fb | 411 | if (serialcomm == NULL) |
530f201e BV |
412 | serialcomm = SERIALCOMM; |
413 | ||
414 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) | |
415 | return NULL; | |
c0a4b971 | 416 | |
a99e0d2a AG |
417 | /* The discovery procedure is like this: first send the Reset |
418 | * command (0x00) 5 times, since the device could be anywhere | |
419 | * in a 5-byte command. Then send the ID command (0x02). | |
420 | * If the device responds with 4 bytes ("OLS1" or "SLA1"), we | |
421 | * have a match. | |
a99e0d2a AG |
422 | */ |
423 | sr_info("ols: probing %s .", conn); | |
a54dd31e | 424 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) |
a99e0d2a | 425 | return NULL; |
c0a4b971 | 426 | |
a99e0d2a AG |
427 | ret = SR_OK; |
428 | for (i = 0; i < 5; i++) { | |
530f201e | 429 | if ((ret = send_shortcommand(serial, CMD_RESET)) != SR_OK) { |
a99e0d2a | 430 | sr_err("ols: port %s is not writable.", conn); |
fe1c50fb | 431 | break; |
a1bb33af UH |
432 | } |
433 | } | |
a99e0d2a | 434 | if (ret != SR_OK) { |
530f201e | 435 | serial_close(serial); |
a99e0d2a AG |
436 | sr_err("ols: Could not use port %s. Quitting.", conn); |
437 | return NULL; | |
438 | } | |
530f201e | 439 | send_shortcommand(serial, CMD_ID); |
a1bb33af | 440 | |
fe1c50fb | 441 | /* Wait 10ms for a response. */ |
5b15b41e | 442 | usleep(10000); |
a1bb33af | 443 | |
530f201e | 444 | probefd.fd = serial->fd; |
fe1c50fb BV |
445 | probefd.events = G_IO_IN; |
446 | g_poll(&probefd, 1, 1); | |
4fe9a6da | 447 | |
a99e0d2a AG |
448 | if (probefd.revents != G_IO_IN) |
449 | return NULL; | |
530f201e | 450 | if (serial_read(serial, buf, 4) != 4) |
a99e0d2a AG |
451 | return NULL; |
452 | if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4)) | |
453 | return NULL; | |
4fe9a6da | 454 | |
fe1c50fb BV |
455 | /* Definitely using the OLS protocol, check if it supports |
456 | * the metadata command. | |
a99e0d2a | 457 | */ |
530f201e | 458 | send_shortcommand(serial, CMD_METADATA); |
a99e0d2a | 459 | if (g_poll(&probefd, 1, 10) > 0) { |
fe1c50fb | 460 | /* Got metadata. */ |
530f201e | 461 | sdi = get_metadata(serial); |
fe1c50fb | 462 | sdi->index = 0; |
a99e0d2a AG |
463 | devc = sdi->priv; |
464 | } else { | |
fe1c50fb BV |
465 | /* Not an OLS -- some other board that uses the sump protocol. */ |
466 | sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
a99e0d2a AG |
467 | "Sump", "Logic Analyzer", "v1.0"); |
468 | sdi->driver = odi; | |
469 | devc = ols_dev_new(); | |
470 | for (i = 0; i < 32; i++) { | |
471 | if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, | |
472 | probe_names[i]))) | |
473 | return 0; | |
474 | sdi->probes = g_slist_append(sdi->probes, probe); | |
a1bb33af | 475 | } |
a99e0d2a | 476 | sdi->priv = devc; |
4fe9a6da | 477 | } |
530f201e | 478 | devc->serial = serial; |
a99e0d2a AG |
479 | drvc->instances = g_slist_append(drvc->instances, sdi); |
480 | devices = g_slist_append(devices, sdi); | |
481 | ||
530f201e | 482 | serial_close(serial); |
a1bb33af | 483 | |
10e5cbed | 484 | return devices; |
a1bb33af UH |
485 | } |
486 | ||
811deee4 BV |
487 | static GSList *hw_dev_list(void) |
488 | { | |
489 | struct drv_context *drvc; | |
490 | ||
491 | drvc = odi->priv; | |
492 | ||
493 | return drvc->instances; | |
494 | } | |
495 | ||
25a0f108 | 496 | static int hw_dev_open(struct sr_dev_inst *sdi) |
a1bb33af | 497 | { |
fefc4b85 | 498 | struct dev_context *devc; |
a1bb33af | 499 | |
fefc4b85 | 500 | devc = sdi->priv; |
69890f73 | 501 | |
a54dd31e | 502 | if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK) |
e46b8fb1 | 503 | return SR_ERR; |
a1bb33af | 504 | |
5a2326a7 | 505 | sdi->status = SR_ST_ACTIVE; |
a1bb33af | 506 | |
e46b8fb1 | 507 | return SR_OK; |
a1bb33af UH |
508 | } |
509 | ||
25a0f108 | 510 | static int hw_dev_close(struct sr_dev_inst *sdi) |
a1bb33af | 511 | { |
fefc4b85 | 512 | struct dev_context *devc; |
a1bb33af | 513 | |
fefc4b85 | 514 | devc = sdi->priv; |
69890f73 | 515 | |
530f201e BV |
516 | if (devc->serial && devc->serial->fd != -1) { |
517 | serial_close(devc->serial); | |
5a2326a7 | 518 | sdi->status = SR_ST_INACTIVE; |
a1bb33af | 519 | } |
697785d1 UH |
520 | |
521 | return SR_OK; | |
a1bb33af UH |
522 | } |
523 | ||
57ab7d9f | 524 | static int hw_cleanup(void) |
a1bb33af UH |
525 | { |
526 | GSList *l; | |
d68e2d1a | 527 | struct sr_dev_inst *sdi; |
fefc4b85 BV |
528 | struct drv_context *drvc; |
529 | struct dev_context *devc; | |
57ab7d9f | 530 | int ret = SR_OK; |
a1bb33af | 531 | |
fefc4b85 BV |
532 | if (!(drvc = odi->priv)) |
533 | return SR_OK; | |
534 | ||
8722c31e | 535 | /* Properly close and free all devices. */ |
fefc4b85 | 536 | for (l = drvc->instances; l; l = l->next) { |
57ab7d9f UH |
537 | if (!(sdi = l->data)) { |
538 | /* Log error, but continue cleaning up the rest. */ | |
539 | sr_err("ols: %s: sdi was NULL, continuing", __func__); | |
540 | ret = SR_ERR_BUG; | |
541 | continue; | |
542 | } | |
fefc4b85 | 543 | if (!(devc = sdi->priv)) { |
57ab7d9f UH |
544 | /* Log error, but continue cleaning up the rest. */ |
545 | sr_err("ols: %s: sdi->priv was NULL, continuing", | |
546 | __func__); | |
547 | ret = SR_ERR_BUG; | |
548 | continue; | |
549 | } | |
530f201e | 550 | hw_dev_close(sdi); |
fefc4b85 | 551 | sr_serial_dev_inst_free(devc->serial); |
d3683c42 | 552 | sr_dev_inst_free(sdi); |
a1bb33af | 553 | } |
fefc4b85 BV |
554 | g_slist_free(drvc->instances); |
555 | drvc->instances = NULL; | |
57ab7d9f UH |
556 | |
557 | return ret; | |
a1bb33af UH |
558 | } |
559 | ||
dddfb3db BV |
560 | static int hw_info_get(int info_id, const void **data, |
561 | const struct sr_dev_inst *sdi) | |
a1bb33af | 562 | { |
fefc4b85 | 563 | struct dev_context *devc; |
a1bb33af | 564 | |
dddfb3db | 565 | switch (info_id) { |
2ca4465b BV |
566 | case SR_DI_HWCAPS: |
567 | *data = hwcaps; | |
568 | break; | |
5a2326a7 | 569 | case SR_DI_NUM_PROBES: |
dddfb3db | 570 | *data = GINT_TO_POINTER(1); |
a1bb33af | 571 | break; |
464d12c7 | 572 | case SR_DI_PROBE_NAMES: |
dddfb3db | 573 | *data = probe_names; |
464d12c7 | 574 | break; |
5a2326a7 | 575 | case SR_DI_SAMPLERATES: |
dddfb3db | 576 | *data = &samplerates; |
a1bb33af | 577 | break; |
5a2326a7 | 578 | case SR_DI_TRIGGER_TYPES: |
dddfb3db | 579 | *data = (char *)TRIGGER_TYPES; |
a1bb33af | 580 | break; |
5a2326a7 | 581 | case SR_DI_CUR_SAMPLERATE: |
dddfb3db | 582 | if (sdi) { |
fefc4b85 BV |
583 | devc = sdi->priv; |
584 | *data = &devc->cur_samplerate; | |
dddfb3db BV |
585 | } else |
586 | return SR_ERR; | |
a1bb33af | 587 | break; |
dddfb3db BV |
588 | default: |
589 | return SR_ERR_ARG; | |
a1bb33af UH |
590 | } |
591 | ||
dddfb3db | 592 | return SR_OK; |
a1bb33af UH |
593 | } |
594 | ||
6f4b1868 | 595 | static int set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate) |
a1bb33af | 596 | { |
fefc4b85 | 597 | struct dev_context *devc; |
a1bb33af | 598 | |
fefc4b85 BV |
599 | devc = sdi->priv; |
600 | if (devc->max_samplerate) { | |
601 | if (samplerate > devc->max_samplerate) | |
4fe9a6da BV |
602 | return SR_ERR_SAMPLERATE; |
603 | } else if (samplerate < samplerates.low || samplerate > samplerates.high) | |
e46b8fb1 | 604 | return SR_ERR_SAMPLERATE; |
a1bb33af | 605 | |
43fc7885 | 606 | if (samplerate > CLOCK_RATE) { |
fefc4b85 BV |
607 | devc->flag_reg |= FLAG_DEMUX; |
608 | devc->cur_samplerate_divider = (CLOCK_RATE * 2 / samplerate) - 1; | |
43fc7885 | 609 | } else { |
fefc4b85 BV |
610 | devc->flag_reg &= ~FLAG_DEMUX; |
611 | devc->cur_samplerate_divider = (CLOCK_RATE / samplerate) - 1; | |
a1bb33af | 612 | } |
a1bb33af | 613 | |
7583b99d GM |
614 | /* Calculate actual samplerate used and complain if it is different |
615 | * from the requested. | |
616 | */ | |
fefc4b85 BV |
617 | devc->cur_samplerate = CLOCK_RATE / (devc->cur_samplerate_divider + 1); |
618 | if (devc->flag_reg & FLAG_DEMUX) | |
619 | devc->cur_samplerate *= 2; | |
620 | if (devc->cur_samplerate != samplerate) | |
133a37bf | 621 | sr_err("ols: can't match samplerate %" PRIu64 ", using %" |
fefc4b85 | 622 | PRIu64, samplerate, devc->cur_samplerate); |
7583b99d | 623 | |
e46b8fb1 | 624 | return SR_OK; |
a1bb33af UH |
625 | } |
626 | ||
6f4b1868 BV |
627 | static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, |
628 | const void *value) | |
a1bb33af | 629 | { |
fefc4b85 | 630 | struct dev_context *devc; |
a1bb33af | 631 | int ret; |
1b79df2f | 632 | const uint64_t *tmp_u64; |
a1bb33af | 633 | |
fefc4b85 | 634 | devc = sdi->priv; |
a1bb33af | 635 | |
5a2326a7 | 636 | if (sdi->status != SR_ST_ACTIVE) |
e46b8fb1 | 637 | return SR_ERR; |
a1bb33af | 638 | |
ffedd0bf | 639 | switch (hwcap) { |
5a2326a7 | 640 | case SR_HWCAP_SAMPLERATE: |
1b79df2f | 641 | ret = set_samplerate(sdi, *(const uint64_t *)value); |
a803c0db | 642 | break; |
5a2326a7 | 643 | case SR_HWCAP_LIMIT_SAMPLES: |
2458ea65 | 644 | tmp_u64 = value; |
574ce498 | 645 | if (*tmp_u64 < MIN_NUM_SAMPLES) |
e46b8fb1 | 646 | return SR_ERR; |
fefc4b85 | 647 | if (*tmp_u64 > devc->max_samples) |
133a37bf | 648 | sr_err("ols: sample limit exceeds hw max"); |
fefc4b85 BV |
649 | devc->limit_samples = *tmp_u64; |
650 | sr_info("ols: sample limit %" PRIu64, devc->limit_samples); | |
e46b8fb1 | 651 | ret = SR_OK; |
a803c0db | 652 | break; |
5a2326a7 | 653 | case SR_HWCAP_CAPTURE_RATIO: |
fefc4b85 BV |
654 | devc->capture_ratio = *(const uint64_t *)value; |
655 | if (devc->capture_ratio < 0 || devc->capture_ratio > 100) { | |
656 | devc->capture_ratio = 0; | |
e46b8fb1 | 657 | ret = SR_ERR; |
43fc7885 | 658 | } else |
e46b8fb1 | 659 | ret = SR_OK; |
a803c0db | 660 | break; |
3a4d09c0 | 661 | case SR_HWCAP_RLE: |
4d436e71 | 662 | if (GPOINTER_TO_INT(value)) { |
3a4d09c0 | 663 | sr_info("ols: enabling RLE"); |
fefc4b85 | 664 | devc->flag_reg |= FLAG_RLE; |
3a4d09c0 GM |
665 | } |
666 | ret = SR_OK; | |
667 | break; | |
a803c0db | 668 | default: |
e46b8fb1 | 669 | ret = SR_ERR; |
43fc7885 | 670 | } |
a1bb33af UH |
671 | |
672 | return ret; | |
673 | } | |
674 | ||
26bf9d56 BV |
675 | static void abort_acquisition(const struct sr_dev_inst *sdi) |
676 | { | |
677 | struct sr_datafeed_packet packet; | |
678 | struct dev_context *devc; | |
679 | ||
680 | devc = sdi->priv; | |
681 | sr_source_remove(devc->serial->fd); | |
682 | ||
683 | /* Terminate session */ | |
684 | packet.type = SR_DF_END; | |
685 | sr_session_send(sdi, &packet); | |
686 | ||
687 | } | |
688 | ||
689 | ||
690 | ||
1f9813eb | 691 | static int receive_data(int fd, int revents, void *cb_data) |
a1bb33af | 692 | { |
b9c735a2 | 693 | struct sr_datafeed_packet packet; |
9c939c51 | 694 | struct sr_datafeed_logic logic; |
d68e2d1a | 695 | struct sr_dev_inst *sdi; |
fefc4b85 BV |
696 | struct drv_context *drvc; |
697 | struct dev_context *devc; | |
4fe9a6da | 698 | GSList *l; |
3a4d09c0 GM |
699 | int num_channels, offset, i, j; |
700 | unsigned char byte; | |
a1bb33af | 701 | |
fefc4b85 BV |
702 | drvc = odi->priv; |
703 | ||
704 | /* Find this device's devc struct by its fd. */ | |
705 | devc = NULL; | |
706 | for (l = drvc->instances; l; l = l->next) { | |
4fe9a6da | 707 | sdi = l->data; |
fefc4b85 | 708 | devc = sdi->priv; |
530f201e | 709 | if (devc->serial->fd == fd) |
4fe9a6da | 710 | break; |
fefc4b85 | 711 | devc = NULL; |
4fe9a6da | 712 | } |
fefc4b85 | 713 | if (!devc) |
ea9cfed7 | 714 | /* Shouldn't happen. */ |
4fe9a6da BV |
715 | return TRUE; |
716 | ||
fefc4b85 | 717 | if (devc->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); |
1f9813eb | 725 | sr_source_add(fd, G_IO_IN, 30, receive_data, cb_data); |
886a52b6 | 726 | /* TODO: Check malloc return code. */ |
fefc4b85 BV |
727 | devc->raw_sample_buf = g_try_malloc(devc->limit_samples * 4); |
728 | if (!devc->raw_sample_buf) { | |
729 | sr_err("ols: %s: devc->raw_sample_buf malloc failed", | |
c0a4b971 UH |
730 | __func__); |
731 | return FALSE; | |
732 | } | |
a803c0db | 733 | /* fill with 1010... for debugging */ |
fefc4b85 | 734 | memset(devc->raw_sample_buf, 0x82, devc->limit_samples * 4); |
a1bb33af UH |
735 | } |
736 | ||
6937bb75 | 737 | num_channels = 0; |
43fc7885 | 738 | for (i = 0x20; i > 0x02; i /= 2) { |
fefc4b85 | 739 | if ((devc->flag_reg & i) == 0) |
6937bb75 | 740 | num_channels++; |
43fc7885 | 741 | } |
6937bb75 | 742 | |
3a4d09c0 | 743 | if (revents == G_IO_IN) { |
530f201e | 744 | if (serial_read(devc->serial, &byte, 1) != 1) |
a1bb33af UH |
745 | return FALSE; |
746 | ||
baf1d714 | 747 | /* Ignore it if we've read enough. */ |
fefc4b85 | 748 | if (devc->num_samples >= devc->limit_samples) |
baf1d714 | 749 | return TRUE; |
3a4d09c0 | 750 | |
fefc4b85 | 751 | devc->sample[devc->num_bytes++] = byte; |
b08024a8 | 752 | sr_dbg("ols: received byte 0x%.2x", byte); |
fefc4b85 | 753 | if (devc->num_bytes == num_channels) { |
43fc7885 | 754 | /* Got a full sample. */ |
b08024a8 | 755 | sr_dbg("ols: received sample 0x%.*x", |
fefc4b85 BV |
756 | devc->num_bytes * 2, *(int *)devc->sample); |
757 | if (devc->flag_reg & FLAG_RLE) { | |
43fc7885 UH |
758 | /* |
759 | * In RLE mode -1 should never come in as a | |
760 | * sample, because bit 31 is the "count" flag. | |
43fc7885 | 761 | */ |
fefc4b85 BV |
762 | if (devc->sample[devc->num_bytes - 1] & 0x80) { |
763 | devc->sample[devc->num_bytes - 1] &= 0x7f; | |
baf1d714 UH |
764 | /* |
765 | * FIXME: This will only work on | |
766 | * little-endian systems. | |
a1bb33af | 767 | */ |
fefc4b85 BV |
768 | devc->rle_count = *(int *)(devc->sample); |
769 | sr_dbg("ols: RLE count = %d", devc->rle_count); | |
770 | devc->num_bytes = 0; | |
3a4d09c0 | 771 | return TRUE; |
baf1d714 | 772 | } |
3a4d09c0 | 773 | } |
fefc4b85 BV |
774 | devc->num_samples += devc->rle_count + 1; |
775 | if (devc->num_samples > devc->limit_samples) { | |
baf1d714 | 776 | /* Save us from overrunning the buffer. */ |
fefc4b85 BV |
777 | devc->rle_count -= devc->num_samples - devc->limit_samples; |
778 | devc->num_samples = devc->limit_samples; | |
a1bb33af UH |
779 | } |
780 | ||
43fc7885 UH |
781 | if (num_channels < 4) { |
782 | /* | |
783 | * Some channel groups may have been turned | |
784 | * off, to speed up transfer between the | |
785 | * hardware and the PC. Expand that here before | |
786 | * submitting it over the session bus -- | |
787 | * whatever is listening on the bus will be | |
788 | * expecting a full 32-bit sample, based on | |
789 | * the number of probes. | |
6937bb75 BV |
790 | */ |
791 | j = 0; | |
fefc4b85 | 792 | memset(devc->tmp_sample, 0, 4); |
43fc7885 | 793 | for (i = 0; i < 4; i++) { |
fefc4b85 | 794 | if (((devc->flag_reg >> 2) & (1 << i)) == 0) { |
43fc7885 UH |
795 | /* |
796 | * This channel group was | |
797 | * enabled, copy from received | |
798 | * sample. | |
799 | */ | |
fefc4b85 | 800 | devc->tmp_sample[i] = devc->sample[j++]; |
6937bb75 BV |
801 | } |
802 | } | |
fefc4b85 BV |
803 | memcpy(devc->sample, devc->tmp_sample, 4); |
804 | sr_dbg("ols: full sample 0x%.8x", *(int *)devc->sample); | |
6937bb75 BV |
805 | } |
806 | ||
a803c0db BV |
807 | /* the OLS sends its sample buffer backwards. |
808 | * store it in reverse order here, so we can dump | |
809 | * this on the session bus later. | |
810 | */ | |
fefc4b85 BV |
811 | offset = (devc->limit_samples - devc->num_samples) * 4; |
812 | for (i = 0; i <= devc->rle_count; i++) { | |
813 | memcpy(devc->raw_sample_buf + offset + (i * 4), | |
814 | devc->sample, 4); | |
baf1d714 | 815 | } |
fefc4b85 BV |
816 | memset(devc->sample, 0, 4); |
817 | devc->num_bytes = 0; | |
818 | devc->rle_count = 0; | |
a1bb33af | 819 | } |
43fc7885 UH |
820 | } else { |
821 | /* | |
822 | * This is the main loop telling us a timeout was reached, or | |
823 | * we've acquired all the samples we asked for -- we're done. | |
a803c0db | 824 | * Send the (properly-ordered) buffer to the frontend. |
43fc7885 | 825 | */ |
fefc4b85 | 826 | if (devc->trigger_at != -1) { |
a803c0db BV |
827 | /* a trigger was set up, so we need to tell the frontend |
828 | * about it. | |
829 | */ | |
fefc4b85 | 830 | if (devc->trigger_at > 0) { |
a803c0db | 831 | /* there are pre-trigger samples, send those first */ |
5a2326a7 | 832 | packet.type = SR_DF_LOGIC; |
9c939c51 | 833 | packet.payload = &logic; |
fefc4b85 | 834 | logic.length = devc->trigger_at * 4; |
9c939c51 | 835 | logic.unitsize = 4; |
fefc4b85 BV |
836 | logic.data = devc->raw_sample_buf + |
837 | (devc->limit_samples - devc->num_samples) * 4; | |
1f9813eb | 838 | sr_session_send(cb_data, &packet); |
a803c0db BV |
839 | } |
840 | ||
9c939c51 | 841 | /* send the trigger */ |
5a2326a7 | 842 | packet.type = SR_DF_TRIGGER; |
1f9813eb | 843 | sr_session_send(cb_data, &packet); |
a803c0db | 844 | |
9c939c51 | 845 | /* send post-trigger samples */ |
5a2326a7 | 846 | packet.type = SR_DF_LOGIC; |
9c939c51 | 847 | packet.payload = &logic; |
fefc4b85 | 848 | logic.length = (devc->num_samples * 4) - (devc->trigger_at * 4); |
9c939c51 | 849 | logic.unitsize = 4; |
fefc4b85 BV |
850 | logic.data = devc->raw_sample_buf + devc->trigger_at * 4 + |
851 | (devc->limit_samples - devc->num_samples) * 4; | |
1f9813eb | 852 | sr_session_send(cb_data, &packet); |
a803c0db | 853 | } else { |
9c939c51 | 854 | /* no trigger was used */ |
5a2326a7 | 855 | packet.type = SR_DF_LOGIC; |
9c939c51 | 856 | packet.payload = &logic; |
fefc4b85 | 857 | logic.length = devc->num_samples * 4; |
9c939c51 | 858 | logic.unitsize = 4; |
fefc4b85 BV |
859 | logic.data = devc->raw_sample_buf + |
860 | (devc->limit_samples - devc->num_samples) * 4; | |
1f9813eb | 861 | sr_session_send(cb_data, &packet); |
a803c0db | 862 | } |
fefc4b85 | 863 | g_free(devc->raw_sample_buf); |
a803c0db | 864 | |
530f201e | 865 | serial_flush(devc->serial); |
26bf9d56 | 866 | abort_acquisition(sdi); |
530f201e | 867 | serial_close(devc->serial); |
a1bb33af UH |
868 | } |
869 | ||
870 | return TRUE; | |
871 | } | |
872 | ||
5d9ed643 BV |
873 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
874 | void *cb_data) | |
a1bb33af | 875 | { |
b9c735a2 UH |
876 | struct sr_datafeed_packet *packet; |
877 | struct sr_datafeed_header *header; | |
f366e86c | 878 | struct sr_datafeed_meta_logic meta; |
fefc4b85 | 879 | struct dev_context *devc; |
a803c0db | 880 | uint32_t trigger_config[4]; |
a1bb33af | 881 | uint32_t data; |
6937bb75 BV |
882 | uint16_t readcount, delaycount; |
883 | uint8_t changrp_mask; | |
22130421 | 884 | int num_channels; |
4fe9a6da | 885 | int i; |
a1bb33af | 886 | |
fefc4b85 | 887 | devc = sdi->priv; |
a1bb33af | 888 | |
5a2326a7 | 889 | if (sdi->status != SR_ST_ACTIVE) |
e46b8fb1 | 890 | return SR_ERR; |
a1bb33af | 891 | |
014359e3 BV |
892 | if (configure_probes(sdi) != SR_OK) { |
893 | sr_err("ols: failed to configured probes"); | |
894 | return SR_ERR; | |
895 | } | |
896 | ||
22130421 GM |
897 | /* |
898 | * Enable/disable channel groups in the flag register according to the | |
baf1d714 | 899 | * probe mask. Calculate this here, because num_channels is needed |
22130421 GM |
900 | * to limit readcount. |
901 | */ | |
902 | changrp_mask = 0; | |
903 | num_channels = 0; | |
904 | for (i = 0; i < 4; i++) { | |
fefc4b85 | 905 | if (devc->probe_mask & (0xff << (i * 8))) { |
22130421 GM |
906 | changrp_mask |= (1 << i); |
907 | num_channels++; | |
908 | } | |
909 | } | |
910 | ||
baf1d714 UH |
911 | /* |
912 | * Limit readcount to prevent reading past the end of the hardware | |
22130421 GM |
913 | * buffer. |
914 | */ | |
fefc4b85 | 915 | readcount = MIN(devc->max_samples / num_channels, devc->limit_samples) / 4; |
a803c0db BV |
916 | |
917 | memset(trigger_config, 0, 16); | |
fefc4b85 BV |
918 | trigger_config[devc->num_stages - 1] |= 0x08; |
919 | if (devc->trigger_mask[0]) { | |
920 | delaycount = readcount * (1 - devc->capture_ratio / 100.0); | |
921 | devc->trigger_at = (readcount - delaycount) * 4 - devc->num_stages; | |
a803c0db | 922 | |
530f201e | 923 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_0, |
fefc4b85 | 924 | reverse32(devc->trigger_mask[0])) != SR_OK) |
e46b8fb1 | 925 | return SR_ERR; |
530f201e | 926 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_0, |
fefc4b85 | 927 | reverse32(devc->trigger_value[0])) != SR_OK) |
e46b8fb1 | 928 | return SR_ERR; |
530f201e | 929 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_0, |
e46b8fb1 UH |
930 | trigger_config[0]) != SR_OK) |
931 | return SR_ERR; | |
6937bb75 | 932 | |
530f201e | 933 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_1, |
fefc4b85 | 934 | reverse32(devc->trigger_mask[1])) != SR_OK) |
e46b8fb1 | 935 | return SR_ERR; |
530f201e | 936 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_1, |
fefc4b85 | 937 | reverse32(devc->trigger_value[1])) != SR_OK) |
e46b8fb1 | 938 | return SR_ERR; |
530f201e | 939 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_1, |
e46b8fb1 UH |
940 | trigger_config[1]) != SR_OK) |
941 | return SR_ERR; | |
6937bb75 | 942 | |
530f201e | 943 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_2, |
fefc4b85 | 944 | reverse32(devc->trigger_mask[2])) != SR_OK) |
e46b8fb1 | 945 | return SR_ERR; |
530f201e | 946 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_2, |
fefc4b85 | 947 | reverse32(devc->trigger_value[2])) != SR_OK) |
e46b8fb1 | 948 | return SR_ERR; |
530f201e | 949 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_2, |
e46b8fb1 UH |
950 | trigger_config[2]) != SR_OK) |
951 | return SR_ERR; | |
a803c0db | 952 | |
530f201e | 953 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_3, |
fefc4b85 | 954 | reverse32(devc->trigger_mask[3])) != SR_OK) |
e46b8fb1 | 955 | return SR_ERR; |
530f201e | 956 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_3, |
fefc4b85 | 957 | reverse32(devc->trigger_value[3])) != SR_OK) |
e46b8fb1 | 958 | return SR_ERR; |
530f201e | 959 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_3, |
e46b8fb1 UH |
960 | trigger_config[3]) != SR_OK) |
961 | return SR_ERR; | |
6937bb75 | 962 | } else { |
530f201e | 963 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_0, |
fefc4b85 | 964 | devc->trigger_mask[0]) != SR_OK) |
e46b8fb1 | 965 | return SR_ERR; |
530f201e | 966 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_0, |
fefc4b85 | 967 | devc->trigger_value[0]) != SR_OK) |
e46b8fb1 | 968 | return SR_ERR; |
530f201e | 969 | if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_0, |
e46b8fb1 UH |
970 | 0x00000008) != SR_OK) |
971 | return SR_ERR; | |
a803c0db | 972 | delaycount = readcount; |
6937bb75 | 973 | } |
a1bb33af | 974 | |
b08024a8 | 975 | sr_info("ols: setting samplerate to %" PRIu64 " Hz (divider %u, " |
fefc4b85 BV |
976 | "demux %s)", devc->cur_samplerate, devc->cur_samplerate_divider, |
977 | devc->flag_reg & FLAG_DEMUX ? "on" : "off"); | |
530f201e | 978 | if (send_longcommand(devc->serial, CMD_SET_DIVIDER, |
fefc4b85 | 979 | reverse32(devc->cur_samplerate_divider)) != SR_OK) |
4fe9a6da | 980 | return SR_ERR; |
a1bb33af | 981 | |
43fc7885 | 982 | /* Send sample limit and pre/post-trigger capture ratio. */ |
a803c0db BV |
983 | data = ((readcount - 1) & 0xffff) << 16; |
984 | data |= (delaycount - 1) & 0xffff; | |
530f201e | 985 | if (send_longcommand(devc->serial, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK) |
e46b8fb1 | 986 | return SR_ERR; |
a1bb33af | 987 | |
43fc7885 | 988 | /* The flag register wants them here, and 1 means "disable channel". */ |
fefc4b85 BV |
989 | devc->flag_reg |= ~(changrp_mask << 2) & 0x3c; |
990 | devc->flag_reg |= FLAG_FILTER; | |
991 | devc->rle_count = 0; | |
992 | data = (devc->flag_reg << 24) | ((devc->flag_reg << 8) & 0xff0000); | |
530f201e | 993 | if (send_longcommand(devc->serial, CMD_SET_FLAGS, data) != SR_OK) |
e46b8fb1 | 994 | return SR_ERR; |
a1bb33af | 995 | |
43fc7885 | 996 | /* Start acquisition on the device. */ |
530f201e | 997 | if (send_shortcommand(devc->serial, CMD_RUN) != SR_OK) |
e46b8fb1 | 998 | return SR_ERR; |
a1bb33af | 999 | |
fefc4b85 | 1000 | sr_source_add(devc->serial->fd, G_IO_IN, -1, receive_data, |
3cd3a20b | 1001 | cb_data); |
a1bb33af | 1002 | |
b53738ba UH |
1003 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { |
1004 | sr_err("ols: %s: packet malloc failed", __func__); | |
1005 | return SR_ERR_MALLOC; | |
1006 | } | |
1007 | ||
1008 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { | |
1009 | sr_err("ols: %s: header malloc failed", __func__); | |
c0a4b971 | 1010 | g_free(packet); |
b53738ba UH |
1011 | return SR_ERR_MALLOC; |
1012 | } | |
1013 | ||
43fc7885 | 1014 | /* Send header packet to the session bus. */ |
5a2326a7 | 1015 | packet->type = SR_DF_HEADER; |
43fc7885 | 1016 | packet->payload = (unsigned char *)header; |
a1bb33af UH |
1017 | header->feed_version = 1; |
1018 | gettimeofday(&header->starttime, NULL); | |
f366e86c BV |
1019 | sr_session_send(cb_data, packet); |
1020 | ||
1021 | /* Send metadata about the SR_DF_LOGIC packets to come. */ | |
1022 | packet->type = SR_DF_META_LOGIC; | |
1023 | packet->payload = &meta; | |
fefc4b85 | 1024 | meta.samplerate = devc->cur_samplerate; |
f366e86c | 1025 | meta.num_probes = NUM_PROBES; |
3cd3a20b | 1026 | sr_session_send(cb_data, packet); |
c0a4b971 | 1027 | |
a1bb33af UH |
1028 | g_free(header); |
1029 | g_free(packet); | |
1030 | ||
e46b8fb1 | 1031 | return SR_OK; |
a1bb33af UH |
1032 | } |
1033 | ||
3cd3a20b | 1034 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
69b07d14 | 1035 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
a1bb33af | 1036 | { |
17e1afcb | 1037 | /* Avoid compiler warnings. */ |
26bf9d56 | 1038 | (void)cb_data; |
afc8e4de | 1039 | |
26bf9d56 | 1040 | abort_acquisition(sdi); |
3010f21c UH |
1041 | |
1042 | return SR_OK; | |
a1bb33af UH |
1043 | } |
1044 | ||
c09f0b57 | 1045 | SR_PRIV struct sr_dev_driver ols_driver_info = { |
e519ba86 UH |
1046 | .name = "ols", |
1047 | .longname = "Openbench Logic Sniffer", | |
1048 | .api_version = 1, | |
1049 | .init = hw_init, | |
1050 | .cleanup = hw_cleanup, | |
61136ea6 | 1051 | .scan = hw_scan, |
811deee4 BV |
1052 | .dev_list = hw_dev_list, |
1053 | .dev_clear = hw_cleanup, | |
e7eb703f UH |
1054 | .dev_open = hw_dev_open, |
1055 | .dev_close = hw_dev_close, | |
dddfb3db | 1056 | .info_get = hw_info_get, |
a9a245b4 | 1057 | .dev_config_set = hw_dev_config_set, |
69040b7c UH |
1058 | .dev_acquisition_start = hw_dev_acquisition_start, |
1059 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
fefc4b85 | 1060 | .priv = NULL, |
a1bb33af | 1061 | }; |