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Commit | Line | Data |
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0aba65da | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
0aba65da | 3 | * |
13d8e03c | 4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> |
0aba65da 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 "protocol.h" | |
21 | ||
22 | #define SERIALCOMM "115200/8n1" | |
23 | ||
e46aa4f6 | 24 | static const int32_t hwopts[] = { |
1953564a BV |
25 | SR_CONF_CONN, |
26 | SR_CONF_SERIALCOMM, | |
aeabd308 UH |
27 | }; |
28 | ||
e46aa4f6 | 29 | static const int32_t hwcaps[] = { |
1953564a BV |
30 | SR_CONF_LOGIC_ANALYZER, |
31 | SR_CONF_SAMPLERATE, | |
0c05591a | 32 | SR_CONF_TRIGGER_TYPE, |
1953564a BV |
33 | SR_CONF_CAPTURE_RATIO, |
34 | SR_CONF_LIMIT_SAMPLES, | |
eb1b610b | 35 | SR_CONF_EXTERNAL_CLOCK, |
967760a8 | 36 | SR_CONF_PATTERN_MODE, |
1953564a | 37 | SR_CONF_RLE, |
0aba65da UH |
38 | }; |
39 | ||
967760a8 MR |
40 | #define STR_PATTERN_EXTERNAL "external" |
41 | #define STR_PATTERN_INTERNAL "internal" | |
42 | ||
43 | /* Supported methods of test pattern outputs */ | |
44 | enum { | |
45 | /** | |
46 | * Capture pins 31:16 (unbuffered wing) output a test pattern | |
47 | * that can captured on pins 0:15. | |
48 | */ | |
49 | PATTERN_EXTERNAL, | |
50 | ||
51 | /** Route test pattern internally to capture buffer. */ | |
52 | PATTERN_INTERNAL, | |
53 | }; | |
54 | ||
0aba65da UH |
55 | /* Probes are numbered 0-31 (on the PCB silkscreen). */ |
56 | SR_PRIV const char *ols_probe_names[NUM_PROBES + 1] = { | |
78693401 UH |
57 | "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", |
58 | "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", | |
59 | "24", "25", "26", "27", "28", "29", "30", "31", | |
0aba65da UH |
60 | NULL, |
61 | }; | |
62 | ||
d3b38ad3 | 63 | /* Default supported samplerates, can be overridden by device metadata. */ |
e46aa4f6 BV |
64 | static const uint64_t samplerates[] = { |
65 | SR_HZ(10), | |
66 | SR_MHZ(200), | |
67 | SR_HZ(1), | |
0aba65da UH |
68 | }; |
69 | ||
70 | SR_PRIV struct sr_dev_driver ols_driver_info; | |
71 | static struct sr_dev_driver *di = &ols_driver_info; | |
72 | ||
eea49cf1 UH |
73 | static int dev_clear(void) |
74 | { | |
75 | return std_dev_clear(di, NULL); | |
76 | } | |
77 | ||
03f4de8c | 78 | static int init(struct sr_context *sr_ctx) |
0aba65da | 79 | { |
f6beaac5 | 80 | return std_init(sr_ctx, di, LOG_PREFIX); |
0aba65da UH |
81 | } |
82 | ||
03f4de8c | 83 | static GSList *scan(GSList *options) |
0aba65da | 84 | { |
1987b8d6 | 85 | struct sr_config *src; |
0aba65da UH |
86 | struct sr_dev_inst *sdi; |
87 | struct drv_context *drvc; | |
88 | struct dev_context *devc; | |
89 | struct sr_probe *probe; | |
90 | struct sr_serial_dev_inst *serial; | |
91 | GPollFD probefd; | |
92 | GSList *l, *devices; | |
93 | int ret, i; | |
94 | const char *conn, *serialcomm; | |
95 | char buf[8]; | |
96 | ||
0aba65da | 97 | drvc = di->priv; |
4b97c74e | 98 | |
0aba65da UH |
99 | devices = NULL; |
100 | ||
101 | conn = serialcomm = NULL; | |
102 | for (l = options; l; l = l->next) { | |
1987b8d6 BV |
103 | src = l->data; |
104 | switch (src->key) { | |
1953564a | 105 | case SR_CONF_CONN: |
e46aa4f6 | 106 | conn = g_variant_get_string(src->data, NULL); |
0aba65da | 107 | break; |
1953564a | 108 | case SR_CONF_SERIALCOMM: |
e46aa4f6 | 109 | serialcomm = g_variant_get_string(src->data, NULL); |
0aba65da UH |
110 | break; |
111 | } | |
112 | } | |
113 | if (!conn) | |
114 | return NULL; | |
115 | ||
116 | if (serialcomm == NULL) | |
117 | serialcomm = SERIALCOMM; | |
118 | ||
119 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) | |
120 | return NULL; | |
121 | ||
122 | /* The discovery procedure is like this: first send the Reset | |
123 | * command (0x00) 5 times, since the device could be anywhere | |
124 | * in a 5-byte command. Then send the ID command (0x02). | |
125 | * If the device responds with 4 bytes ("OLS1" or "SLA1"), we | |
126 | * have a match. | |
127 | */ | |
128 | sr_info("Probing %s.", conn); | |
129 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) | |
130 | return NULL; | |
131 | ||
132 | ret = SR_OK; | |
133 | for (i = 0; i < 5; i++) { | |
134 | if ((ret = send_shortcommand(serial, CMD_RESET)) != SR_OK) { | |
135 | sr_err("Port %s is not writable.", conn); | |
136 | break; | |
137 | } | |
138 | } | |
139 | if (ret != SR_OK) { | |
140 | serial_close(serial); | |
141 | sr_err("Could not use port %s. Quitting.", conn); | |
142 | return NULL; | |
143 | } | |
144 | send_shortcommand(serial, CMD_ID); | |
145 | ||
146 | /* Wait 10ms for a response. */ | |
147 | g_usleep(10000); | |
148 | ||
149 | probefd.fd = serial->fd; | |
150 | probefd.events = G_IO_IN; | |
151 | g_poll(&probefd, 1, 1); | |
152 | ||
153 | if (probefd.revents != G_IO_IN) | |
154 | return NULL; | |
155 | if (serial_read(serial, buf, 4) != 4) | |
156 | return NULL; | |
157 | if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4)) | |
158 | return NULL; | |
159 | ||
160 | /* Definitely using the OLS protocol, check if it supports | |
161 | * the metadata command. | |
162 | */ | |
163 | send_shortcommand(serial, CMD_METADATA); | |
164 | if (g_poll(&probefd, 1, 10) > 0) { | |
165 | /* Got metadata. */ | |
166 | sdi = get_metadata(serial); | |
167 | sdi->index = 0; | |
168 | devc = sdi->priv; | |
169 | } else { | |
170 | /* Not an OLS -- some other board that uses the sump protocol. */ | |
72cd99b8 | 171 | sr_info("Device does not support metadata."); |
0aba65da UH |
172 | sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, |
173 | "Sump", "Logic Analyzer", "v1.0"); | |
174 | sdi->driver = di; | |
0aba65da UH |
175 | for (i = 0; i < 32; i++) { |
176 | if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, | |
177 | ols_probe_names[i]))) | |
178 | return 0; | |
179 | sdi->probes = g_slist_append(sdi->probes, probe); | |
180 | } | |
bf256783 | 181 | devc = ols_dev_new(); |
0aba65da UH |
182 | sdi->priv = devc; |
183 | } | |
bf256783 BV |
184 | /* Configure samplerate and divider. */ |
185 | if (ols_set_samplerate(sdi, DEFAULT_SAMPLERATE) != SR_OK) | |
186 | sr_dbg("Failed to set default samplerate (%"PRIu64").", | |
187 | DEFAULT_SAMPLERATE); | |
188 | /* Clear trigger masks, values and stages. */ | |
189 | ols_configure_probes(sdi); | |
459a0f26 BV |
190 | sdi->inst_type = SR_INST_SERIAL; |
191 | sdi->conn = serial; | |
bf256783 | 192 | |
0aba65da UH |
193 | drvc->instances = g_slist_append(drvc->instances, sdi); |
194 | devices = g_slist_append(devices, sdi); | |
195 | ||
196 | serial_close(serial); | |
197 | ||
198 | return devices; | |
199 | } | |
200 | ||
03f4de8c | 201 | static GSList *dev_list(void) |
0aba65da | 202 | { |
0e94d524 | 203 | return ((struct drv_context *)(di->priv))->instances; |
0aba65da UH |
204 | } |
205 | ||
03f4de8c | 206 | static int dev_open(struct sr_dev_inst *sdi) |
0aba65da | 207 | { |
459a0f26 | 208 | struct sr_serial_dev_inst *serial; |
0aba65da | 209 | |
459a0f26 BV |
210 | serial = sdi->conn; |
211 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
0aba65da UH |
212 | return SR_ERR; |
213 | ||
214 | sdi->status = SR_ST_ACTIVE; | |
215 | ||
216 | return SR_OK; | |
217 | } | |
218 | ||
03f4de8c | 219 | static int dev_close(struct sr_dev_inst *sdi) |
0aba65da | 220 | { |
459a0f26 | 221 | struct sr_serial_dev_inst *serial; |
0aba65da | 222 | |
459a0f26 BV |
223 | serial = sdi->conn; |
224 | if (serial && serial->fd != -1) { | |
225 | serial_close(serial); | |
0aba65da UH |
226 | sdi->status = SR_ST_INACTIVE; |
227 | } | |
228 | ||
229 | return SR_OK; | |
230 | } | |
231 | ||
eea49cf1 | 232 | static int cleanup(void) |
0aba65da | 233 | { |
eea49cf1 | 234 | return dev_clear(); |
0aba65da UH |
235 | } |
236 | ||
e46aa4f6 | 237 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) |
0aba65da UH |
238 | { |
239 | struct dev_context *devc; | |
240 | ||
0c05591a BV |
241 | if (!sdi) |
242 | return SR_ERR_ARG; | |
243 | ||
244 | devc = sdi->priv; | |
035a1078 | 245 | switch (id) { |
123e1313 | 246 | case SR_CONF_SAMPLERATE: |
0c05591a BV |
247 | *data = g_variant_new_uint64(devc->cur_samplerate); |
248 | break; | |
249 | case SR_CONF_CAPTURE_RATIO: | |
250 | *data = g_variant_new_uint64(devc->capture_ratio); | |
251 | break; | |
252 | case SR_CONF_LIMIT_SAMPLES: | |
253 | *data = g_variant_new_uint64(devc->limit_samples); | |
254 | break; | |
967760a8 MR |
255 | case SR_CONF_PATTERN_MODE: |
256 | if (devc->flag_reg & FLAG_EXTERNAL_TEST_MODE) | |
257 | *data = g_variant_new_string(STR_PATTERN_EXTERNAL); | |
258 | else if (devc->flag_reg & FLAG_INTERNAL_TEST_MODE) | |
259 | *data = g_variant_new_string(STR_PATTERN_INTERNAL); | |
260 | break; | |
0c05591a BV |
261 | case SR_CONF_RLE: |
262 | *data = g_variant_new_boolean(devc->flag_reg & FLAG_RLE ? TRUE : FALSE); | |
0aba65da UH |
263 | break; |
264 | default: | |
bd6fbf62 | 265 | return SR_ERR_NA; |
0aba65da UH |
266 | } |
267 | ||
268 | return SR_OK; | |
269 | } | |
270 | ||
e46aa4f6 | 271 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
0aba65da UH |
272 | { |
273 | struct dev_context *devc; | |
274 | int ret; | |
e46aa4f6 | 275 | uint64_t tmp_u64; |
967760a8 | 276 | const char *stropt; |
0aba65da | 277 | |
e73ffd42 BV |
278 | if (sdi->status != SR_ST_ACTIVE) |
279 | return SR_ERR_DEV_CLOSED; | |
280 | ||
0aba65da UH |
281 | devc = sdi->priv; |
282 | ||
035a1078 | 283 | switch (id) { |
1953564a | 284 | case SR_CONF_SAMPLERATE: |
e46aa4f6 BV |
285 | tmp_u64 = g_variant_get_uint64(data); |
286 | if (tmp_u64 < samplerates[0] || tmp_u64 > samplerates[1]) | |
287 | return SR_ERR_SAMPLERATE; | |
288 | ret = ols_set_samplerate(sdi, g_variant_get_uint64(data)); | |
0aba65da | 289 | break; |
1953564a | 290 | case SR_CONF_LIMIT_SAMPLES: |
e46aa4f6 BV |
291 | tmp_u64 = g_variant_get_uint64(data); |
292 | if (tmp_u64 < MIN_NUM_SAMPLES) | |
0aba65da | 293 | return SR_ERR; |
e46aa4f6 | 294 | devc->limit_samples = tmp_u64; |
0aba65da UH |
295 | ret = SR_OK; |
296 | break; | |
1953564a | 297 | case SR_CONF_CAPTURE_RATIO: |
e46aa4f6 | 298 | devc->capture_ratio = g_variant_get_uint64(data); |
0aba65da UH |
299 | if (devc->capture_ratio < 0 || devc->capture_ratio > 100) { |
300 | devc->capture_ratio = 0; | |
301 | ret = SR_ERR; | |
302 | } else | |
303 | ret = SR_OK; | |
304 | break; | |
eb1b610b MR |
305 | case SR_CONF_EXTERNAL_CLOCK: |
306 | if (g_variant_get_boolean(data)) { | |
307 | sr_info("Enabling external clock."); | |
308 | devc->flag_reg |= FLAG_CLOCK_EXTERNAL; | |
309 | } else { | |
310 | sr_info("Disabled external clock."); | |
311 | devc->flag_reg &= ~FLAG_CLOCK_EXTERNAL; | |
312 | } | |
313 | ret = SR_OK; | |
314 | break; | |
967760a8 MR |
315 | case SR_CONF_PATTERN_MODE: |
316 | stropt = g_variant_get_string(data, NULL); | |
317 | ret = SR_OK; | |
318 | if (!strcmp(stropt, STR_PATTERN_INTERNAL)) { | |
319 | sr_info("Enabling internal test mode."); | |
320 | devc->flag_reg |= FLAG_INTERNAL_TEST_MODE; | |
321 | } else if (!strcmp(stropt, STR_PATTERN_EXTERNAL)) { | |
322 | sr_info("Enabling external test mode."); | |
323 | devc->flag_reg |= FLAG_EXTERNAL_TEST_MODE; | |
324 | } else { | |
325 | ret = SR_ERR; | |
326 | } | |
327 | break; | |
1953564a | 328 | case SR_CONF_RLE: |
e46aa4f6 | 329 | if (g_variant_get_boolean(data)) { |
0aba65da UH |
330 | sr_info("Enabling RLE."); |
331 | devc->flag_reg |= FLAG_RLE; | |
aeea0572 BV |
332 | } else { |
333 | sr_info("Disabling RLE."); | |
334 | devc->flag_reg &= ~FLAG_RLE; | |
0aba65da UH |
335 | } |
336 | ret = SR_OK; | |
337 | break; | |
338 | default: | |
bd6fbf62 | 339 | ret = SR_ERR_NA; |
0aba65da UH |
340 | } |
341 | ||
342 | return ret; | |
343 | } | |
344 | ||
e46aa4f6 | 345 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 346 | { |
e46aa4f6 BV |
347 | GVariant *gvar; |
348 | GVariantBuilder gvb; | |
a1c743fc BV |
349 | |
350 | (void)sdi; | |
351 | ||
352 | switch (key) { | |
0d485e30 | 353 | case SR_CONF_SCAN_OPTIONS: |
e46aa4f6 BV |
354 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
355 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
0d485e30 | 356 | break; |
9a6517d1 | 357 | case SR_CONF_DEVICE_OPTIONS: |
e46aa4f6 BV |
358 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
359 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 360 | break; |
a1c743fc | 361 | case SR_CONF_SAMPLERATE: |
e46aa4f6 BV |
362 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
363 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
364 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
365 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
366 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 367 | break; |
c50277a6 | 368 | case SR_CONF_TRIGGER_TYPE: |
e46aa4f6 | 369 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 370 | break; |
a1c743fc | 371 | default: |
bd6fbf62 | 372 | return SR_ERR_NA; |
a1c743fc BV |
373 | } |
374 | ||
375 | return SR_OK; | |
376 | } | |
377 | ||
03f4de8c | 378 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, |
0aba65da UH |
379 | void *cb_data) |
380 | { | |
0aba65da | 381 | struct dev_context *devc; |
459a0f26 | 382 | struct sr_serial_dev_inst *serial; |
0aba65da UH |
383 | uint32_t trigger_config[4]; |
384 | uint32_t data; | |
385 | uint16_t readcount, delaycount; | |
386 | uint8_t changrp_mask; | |
387 | int num_channels; | |
388 | int i; | |
389 | ||
e73ffd42 BV |
390 | if (sdi->status != SR_ST_ACTIVE) |
391 | return SR_ERR_DEV_CLOSED; | |
392 | ||
0aba65da | 393 | devc = sdi->priv; |
459a0f26 | 394 | serial = sdi->conn; |
0aba65da | 395 | |
0aba65da UH |
396 | if (ols_configure_probes(sdi) != SR_OK) { |
397 | sr_err("Failed to configure probes."); | |
398 | return SR_ERR; | |
399 | } | |
400 | ||
401 | /* | |
402 | * Enable/disable channel groups in the flag register according to the | |
403 | * probe mask. Calculate this here, because num_channels is needed | |
404 | * to limit readcount. | |
405 | */ | |
406 | changrp_mask = 0; | |
407 | num_channels = 0; | |
408 | for (i = 0; i < 4; i++) { | |
409 | if (devc->probe_mask & (0xff << (i * 8))) { | |
410 | changrp_mask |= (1 << i); | |
411 | num_channels++; | |
412 | } | |
413 | } | |
414 | ||
415 | /* | |
416 | * Limit readcount to prevent reading past the end of the hardware | |
417 | * buffer. | |
418 | */ | |
419 | readcount = MIN(devc->max_samples / num_channels, devc->limit_samples) / 4; | |
420 | ||
421 | memset(trigger_config, 0, 16); | |
2e5b73c0 | 422 | trigger_config[devc->num_stages] |= 0x08; |
0aba65da UH |
423 | if (devc->trigger_mask[0]) { |
424 | delaycount = readcount * (1 - devc->capture_ratio / 100.0); | |
425 | devc->trigger_at = (readcount - delaycount) * 4 - devc->num_stages; | |
426 | ||
459a0f26 | 427 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_0, |
0aba65da UH |
428 | reverse32(devc->trigger_mask[0])) != SR_OK) |
429 | return SR_ERR; | |
459a0f26 | 430 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_0, |
0aba65da UH |
431 | reverse32(devc->trigger_value[0])) != SR_OK) |
432 | return SR_ERR; | |
459a0f26 | 433 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_0, |
0aba65da UH |
434 | trigger_config[0]) != SR_OK) |
435 | return SR_ERR; | |
436 | ||
459a0f26 | 437 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_1, |
0aba65da UH |
438 | reverse32(devc->trigger_mask[1])) != SR_OK) |
439 | return SR_ERR; | |
459a0f26 | 440 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_1, |
0aba65da UH |
441 | reverse32(devc->trigger_value[1])) != SR_OK) |
442 | return SR_ERR; | |
459a0f26 | 443 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_1, |
0aba65da UH |
444 | trigger_config[1]) != SR_OK) |
445 | return SR_ERR; | |
446 | ||
459a0f26 | 447 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_2, |
0aba65da UH |
448 | reverse32(devc->trigger_mask[2])) != SR_OK) |
449 | return SR_ERR; | |
459a0f26 | 450 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_2, |
0aba65da UH |
451 | reverse32(devc->trigger_value[2])) != SR_OK) |
452 | return SR_ERR; | |
459a0f26 | 453 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_2, |
0aba65da UH |
454 | trigger_config[2]) != SR_OK) |
455 | return SR_ERR; | |
456 | ||
459a0f26 | 457 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_3, |
0aba65da UH |
458 | reverse32(devc->trigger_mask[3])) != SR_OK) |
459 | return SR_ERR; | |
459a0f26 | 460 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_3, |
0aba65da UH |
461 | reverse32(devc->trigger_value[3])) != SR_OK) |
462 | return SR_ERR; | |
459a0f26 | 463 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_3, |
0aba65da UH |
464 | trigger_config[3]) != SR_OK) |
465 | return SR_ERR; | |
466 | } else { | |
459a0f26 | 467 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_0, |
0aba65da UH |
468 | devc->trigger_mask[0]) != SR_OK) |
469 | return SR_ERR; | |
459a0f26 | 470 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_0, |
0aba65da UH |
471 | devc->trigger_value[0]) != SR_OK) |
472 | return SR_ERR; | |
459a0f26 | 473 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_0, |
0aba65da UH |
474 | 0x00000008) != SR_OK) |
475 | return SR_ERR; | |
476 | delaycount = readcount; | |
477 | } | |
478 | ||
479 | sr_info("Setting samplerate to %" PRIu64 "Hz (divider %u, " | |
480 | "demux %s)", devc->cur_samplerate, devc->cur_samplerate_divider, | |
481 | devc->flag_reg & FLAG_DEMUX ? "on" : "off"); | |
459a0f26 | 482 | if (send_longcommand(serial, CMD_SET_DIVIDER, |
0aba65da UH |
483 | reverse32(devc->cur_samplerate_divider)) != SR_OK) |
484 | return SR_ERR; | |
485 | ||
486 | /* Send sample limit and pre/post-trigger capture ratio. */ | |
487 | data = ((readcount - 1) & 0xffff) << 16; | |
488 | data |= (delaycount - 1) & 0xffff; | |
459a0f26 | 489 | if (send_longcommand(serial, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK) |
0aba65da UH |
490 | return SR_ERR; |
491 | ||
492 | /* The flag register wants them here, and 1 means "disable channel". */ | |
493 | devc->flag_reg |= ~(changrp_mask << 2) & 0x3c; | |
494 | devc->flag_reg |= FLAG_FILTER; | |
495 | devc->rle_count = 0; | |
496 | data = (devc->flag_reg << 24) | ((devc->flag_reg << 8) & 0xff0000); | |
459a0f26 | 497 | if (send_longcommand(serial, CMD_SET_FLAGS, data) != SR_OK) |
0aba65da UH |
498 | return SR_ERR; |
499 | ||
500 | /* Start acquisition on the device. */ | |
459a0f26 | 501 | if (send_shortcommand(serial, CMD_RUN) != SR_OK) |
0aba65da UH |
502 | return SR_ERR; |
503 | ||
bf256783 BV |
504 | /* Reset all operational states. */ |
505 | devc->num_transfers = devc->num_samples = devc->num_bytes = 0; | |
506 | ||
4afdfd46 | 507 | /* Send header packet to the session bus. */ |
29a27196 | 508 | std_session_send_df_header(cb_data, LOG_PREFIX); |
4afdfd46 | 509 | |
459a0f26 | 510 | sr_source_add(serial->fd, G_IO_IN, -1, ols_receive_data, cb_data); |
0aba65da | 511 | |
0aba65da UH |
512 | return SR_OK; |
513 | } | |
514 | ||
03f4de8c | 515 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
0aba65da | 516 | { |
0aba65da UH |
517 | (void)cb_data; |
518 | ||
519 | abort_acquisition(sdi); | |
520 | ||
521 | return SR_OK; | |
522 | } | |
523 | ||
524 | SR_PRIV struct sr_dev_driver ols_driver_info = { | |
525 | .name = "ols", | |
526 | .longname = "Openbench Logic Sniffer", | |
527 | .api_version = 1, | |
03f4de8c | 528 | .init = init, |
eea49cf1 | 529 | .cleanup = cleanup, |
03f4de8c BV |
530 | .scan = scan, |
531 | .dev_list = dev_list, | |
532 | .dev_clear = dev_clear, | |
035a1078 BV |
533 | .config_get = config_get, |
534 | .config_set = config_set, | |
a1c743fc | 535 | .config_list = config_list, |
03f4de8c BV |
536 | .dev_open = dev_open, |
537 | .dev_close = dev_close, | |
538 | .dev_acquisition_start = dev_acquisition_start, | |
539 | .dev_acquisition_stop = dev_acquisition_stop, | |
0aba65da UH |
540 | .priv = NULL, |
541 | }; |