]>
Commit | Line | Data |
---|---|---|
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 | ||
6ec6c43b | 20 | #include <config.h> |
515ab088 | 21 | #include "protocol.h" |
0aba65da UH |
22 | |
23 | #define SERIALCOMM "115200/8n1" | |
24 | ||
a0e0bb41 | 25 | static const uint32_t scanopts[] = { |
1953564a BV |
26 | SR_CONF_CONN, |
27 | SR_CONF_SERIALCOMM, | |
20077702 | 28 | SR_CONF_PROBE_NAMES, |
aeabd308 UH |
29 | }; |
30 | ||
55fb76b3 UH |
31 | static const uint32_t drvopts[] = { |
32 | SR_CONF_LOGIC_ANALYZER, | |
33 | }; | |
34 | ||
f254bc4b | 35 | static const uint32_t devopts[] = { |
2f67be51 | 36 | SR_CONF_CONN | SR_CONF_GET, |
5827f61b BV |
37 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
38 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
39 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, | |
40 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
50b15953 | 41 | SR_CONF_EXTERNAL_CLOCK | SR_CONF_GET | SR_CONF_SET, |
f20c39d9 | 42 | SR_CONF_CLOCK_EDGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
5827f61b BV |
43 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
44 | SR_CONF_SWAP | SR_CONF_SET, | |
45 | SR_CONF_RLE | SR_CONF_GET | SR_CONF_SET, | |
0aba65da UH |
46 | }; |
47 | ||
91fd0f72 BV |
48 | static const int32_t trigger_matches[] = { |
49 | SR_TRIGGER_ZERO, | |
50 | SR_TRIGGER_ONE, | |
51 | }; | |
52 | ||
55eca716 | 53 | static const char *external_clock_edges[] = { |
54 | "rising", /* positive edge */ | |
55 | "falling" /* negative edge */ | |
f20c39d9 | 56 | }; |
57 | ||
6d16fdfb BV |
58 | #define STR_PATTERN_NONE "None" |
59 | #define STR_PATTERN_EXTERNAL "External" | |
60 | #define STR_PATTERN_INTERNAL "Internal" | |
967760a8 MR |
61 | |
62 | /* Supported methods of test pattern outputs */ | |
63 | enum { | |
64 | /** | |
65 | * Capture pins 31:16 (unbuffered wing) output a test pattern | |
66 | * that can captured on pins 0:15. | |
67 | */ | |
68 | PATTERN_EXTERNAL, | |
69 | ||
70 | /** Route test pattern internally to capture buffer. */ | |
71 | PATTERN_INTERNAL, | |
72 | }; | |
73 | ||
7c07a178 | 74 | static const char *patterns[] = { |
6d16fdfb | 75 | STR_PATTERN_NONE, |
7c07a178 UH |
76 | STR_PATTERN_EXTERNAL, |
77 | STR_PATTERN_INTERNAL, | |
78 | }; | |
79 | ||
ba7dd8bb | 80 | /* Channels are numbered 0-31 (on the PCB silkscreen). */ |
53cda65a | 81 | SR_PRIV const char *ols_channel_names[] = { |
78693401 UH |
82 | "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", |
83 | "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", | |
84 | "24", "25", "26", "27", "28", "29", "30", "31", | |
0aba65da UH |
85 | }; |
86 | ||
d3b38ad3 | 87 | /* Default supported samplerates, can be overridden by device metadata. */ |
e46aa4f6 BV |
88 | static const uint64_t samplerates[] = { |
89 | SR_HZ(10), | |
90 | SR_MHZ(200), | |
91 | SR_HZ(1), | |
0aba65da UH |
92 | }; |
93 | ||
ae4e6999 | 94 | #define RESPONSE_DELAY_US (20 * 1000) |
1a46cc62 | 95 | |
4f840ce9 | 96 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
0aba65da | 97 | { |
1987b8d6 | 98 | struct sr_config *src; |
0aba65da | 99 | struct sr_dev_inst *sdi; |
0aba65da | 100 | struct sr_serial_dev_inst *serial; |
43376f33 | 101 | GSList *l; |
35be304b | 102 | int num_read; |
07ffa5b3 | 103 | unsigned int i; |
20077702 | 104 | const char *conn, *serialcomm, *probe_names; |
35be304b | 105 | char buf[4] = { 0, 0, 0, 0 }; |
838f0122 | 106 | struct dev_context *devc; |
fbf9e657 | 107 | size_t ch_max; |
0aba65da | 108 | |
0aba65da | 109 | conn = serialcomm = NULL; |
20077702 | 110 | probe_names = NULL; |
0aba65da | 111 | for (l = options; l; l = l->next) { |
1987b8d6 BV |
112 | src = l->data; |
113 | switch (src->key) { | |
1953564a | 114 | case SR_CONF_CONN: |
e46aa4f6 | 115 | conn = g_variant_get_string(src->data, NULL); |
0aba65da | 116 | break; |
1953564a | 117 | case SR_CONF_SERIALCOMM: |
e46aa4f6 | 118 | serialcomm = g_variant_get_string(src->data, NULL); |
0aba65da | 119 | break; |
20077702 GS |
120 | case SR_CONF_PROBE_NAMES: |
121 | probe_names = g_variant_get_string(src->data, NULL); | |
122 | break; | |
0aba65da UH |
123 | } |
124 | } | |
125 | if (!conn) | |
126 | return NULL; | |
127 | ||
98fec29e | 128 | if (!serialcomm) |
0aba65da UH |
129 | serialcomm = SERIALCOMM; |
130 | ||
91219afc | 131 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
0aba65da UH |
132 | |
133 | /* The discovery procedure is like this: first send the Reset | |
134 | * command (0x00) 5 times, since the device could be anywhere | |
135 | * in a 5-byte command. Then send the ID command (0x02). | |
136 | * If the device responds with 4 bytes ("OLS1" or "SLA1"), we | |
137 | * have a match. | |
138 | */ | |
139 | sr_info("Probing %s.", conn); | |
4ded59ee | 140 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
0aba65da UH |
141 | return NULL; |
142 | ||
244995a2 | 143 | if (ols_send_reset(serial) != SR_OK) { |
0aba65da UH |
144 | serial_close(serial); |
145 | sr_err("Could not use port %s. Quitting.", conn); | |
146 | return NULL; | |
147 | } | |
148 | send_shortcommand(serial, CMD_ID); | |
149 | ||
1a46cc62 | 150 | g_usleep(RESPONSE_DELAY_US); |
0aba65da | 151 | |
f9921513 | 152 | if (serial_has_receive_data(serial) == 0) { |
35be304b | 153 | sr_dbg("Didn't get any ID reply."); |
0aba65da | 154 | return NULL; |
ed936ccc UH |
155 | } |
156 | ||
55eca716 | 157 | num_read = |
158 | serial_read_blocking(serial, buf, 4, serial_timeout(serial, 4)); | |
35be304b WS |
159 | if (num_read < 0) { |
160 | sr_err("Getting ID reply failed (%d).", num_read); | |
0aba65da | 161 | return NULL; |
ed936ccc UH |
162 | } |
163 | ||
164 | if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4)) { | |
35be304b WS |
165 | GString *id = sr_hexdump_new((uint8_t *)buf, num_read); |
166 | ||
167 | sr_err("Invalid ID reply (got %s).", id->str); | |
168 | ||
169 | sr_hexdump_free(id); | |
0aba65da | 170 | return NULL; |
163da55b GS |
171 | } else { |
172 | sr_dbg("Successful detection, got '%c%c%c%c' (0x%02x 0x%02x 0x%02x 0x%02x).", | |
173 | buf[0], buf[1], buf[2], buf[3], | |
174 | buf[0], buf[1], buf[2], buf[3]); | |
ed936ccc | 175 | } |
0aba65da | 176 | |
838f0122 GS |
177 | /* |
178 | * Create common data structures (sdi, devc) here in the common | |
179 | * code path. These further get filled in either from metadata | |
180 | * which is gathered from the device, or from open coded generic | |
181 | * fallback data which is kept in the driver source code. | |
182 | */ | |
183 | sdi = g_malloc0(sizeof(*sdi)); | |
184 | sdi->status = SR_ST_INACTIVE; | |
185 | sdi->inst_type = SR_INST_SERIAL; | |
186 | sdi->conn = serial; | |
187 | sdi->connection_id = g_strdup(serial->port); | |
188 | devc = g_malloc0(sizeof(*devc)); | |
189 | sdi->priv = devc; | |
190 | devc->trigger_at_smpl = OLS_NO_TRIGGER; | |
20077702 GS |
191 | devc->channel_names = sr_parse_probe_names(probe_names, |
192 | ols_channel_names, ARRAY_SIZE(ols_channel_names), | |
193 | ARRAY_SIZE(ols_channel_names), &ch_max); | |
838f0122 GS |
194 | |
195 | /* | |
196 | * Definitely using the OLS protocol, check if it supports | |
fbf9e657 GS |
197 | * the metadata command. Otherwise assign generic values. |
198 | * Create as many sigrok channels as was determined when | |
199 | * the device was probed. | |
0aba65da UH |
200 | */ |
201 | send_shortcommand(serial, CMD_METADATA); | |
1a46cc62 | 202 | g_usleep(RESPONSE_DELAY_US); |
f9921513 | 203 | if (serial_has_receive_data(serial) != 0) { |
0aba65da | 204 | /* Got metadata. */ |
838f0122 | 205 | (void)ols_get_metadata(sdi); |
0aba65da | 206 | } else { |
fbf9e657 | 207 | /* Not an OLS -- some other board using the SUMP protocol. */ |
72cd99b8 | 208 | sr_info("Device does not support metadata."); |
0af636be UH |
209 | sdi->vendor = g_strdup("Sump"); |
210 | sdi->model = g_strdup("Logic Analyzer"); | |
211 | sdi->version = g_strdup("v1.0"); | |
20077702 | 212 | devc->max_channels = ch_max; |
fbf9e657 | 213 | } |
fbf9e657 GS |
214 | if (devc->max_channels && ch_max > devc->max_channels) |
215 | ch_max = devc->max_channels; | |
216 | for (i = 0; i < ch_max; i++) { | |
217 | sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, | |
20077702 | 218 | devc->channel_names[i]); |
0aba65da | 219 | } |
bf256783 BV |
220 | /* Configure samplerate and divider. */ |
221 | if (ols_set_samplerate(sdi, DEFAULT_SAMPLERATE) != SR_OK) | |
55eca716 | 222 | sr_dbg("Failed to set default samplerate (%" PRIu64 ").", |
223 | DEFAULT_SAMPLERATE); | |
bf256783 | 224 | |
0aba65da UH |
225 | serial_close(serial); |
226 | ||
43376f33 | 227 | return std_scan_complete(di, g_slist_append(NULL, sdi)); |
0aba65da UH |
228 | } |
229 | ||
dd7a72ea | 230 | static int config_get(uint32_t key, GVariant **data, |
55eca716 | 231 | const struct sr_dev_inst *sdi, |
232 | const struct sr_channel_group *cg) | |
0aba65da UH |
233 | { |
234 | struct dev_context *devc; | |
235 | ||
53b4680f | 236 | (void)cg; |
8f996b89 | 237 | |
0c05591a BV |
238 | if (!sdi) |
239 | return SR_ERR_ARG; | |
240 | ||
241 | devc = sdi->priv; | |
758906aa | 242 | |
584560f1 | 243 | switch (key) { |
2f67be51 GS |
244 | case SR_CONF_CONN: |
245 | if (!sdi->conn || !sdi->connection_id) | |
246 | return SR_ERR_NA; | |
247 | *data = g_variant_new_string(sdi->connection_id); | |
248 | break; | |
123e1313 | 249 | case SR_CONF_SAMPLERATE: |
0c05591a BV |
250 | *data = g_variant_new_uint64(devc->cur_samplerate); |
251 | break; | |
252 | case SR_CONF_CAPTURE_RATIO: | |
253 | *data = g_variant_new_uint64(devc->capture_ratio); | |
254 | break; | |
255 | case SR_CONF_LIMIT_SAMPLES: | |
256 | *data = g_variant_new_uint64(devc->limit_samples); | |
257 | break; | |
967760a8 | 258 | case SR_CONF_PATTERN_MODE: |
a80bed76 | 259 | if (devc->capture_flags & CAPTURE_FLAG_EXTERNAL_TEST_MODE) |
967760a8 | 260 | *data = g_variant_new_string(STR_PATTERN_EXTERNAL); |
a80bed76 | 261 | else if (devc->capture_flags & CAPTURE_FLAG_INTERNAL_TEST_MODE) |
967760a8 | 262 | *data = g_variant_new_string(STR_PATTERN_INTERNAL); |
6d16fdfb BV |
263 | else |
264 | *data = g_variant_new_string(STR_PATTERN_NONE); | |
967760a8 | 265 | break; |
0c05591a | 266 | case SR_CONF_RLE: |
55eca716 | 267 | *data = g_variant_new_boolean( |
268 | devc->capture_flags & CAPTURE_FLAG_RLE ? TRUE : FALSE); | |
7730e4f0 | 269 | break; |
50b15953 | 270 | case SR_CONF_EXTERNAL_CLOCK: |
271 | *data = g_variant_new_boolean( | |
55eca716 | 272 | devc->capture_flags & CAPTURE_FLAG_CLOCK_EXTERNAL |
273 | ? TRUE : FALSE); | |
50b15953 | 274 | break; |
f20c39d9 | 275 | case SR_CONF_CLOCK_EDGE: |
276 | *data = g_variant_new_string(external_clock_edges[ | |
55eca716 | 277 | devc->capture_flags & CAPTURE_FLAG_INVERT_EXT_CLOCK |
278 | ? 1 : 0]); | |
f20c39d9 | 279 | break; |
0aba65da | 280 | default: |
bd6fbf62 | 281 | return SR_ERR_NA; |
0aba65da UH |
282 | } |
283 | ||
284 | return SR_OK; | |
285 | } | |
286 | ||
dd7a72ea | 287 | static int config_set(uint32_t key, GVariant *data, |
55eca716 | 288 | const struct sr_dev_inst *sdi, |
289 | const struct sr_channel_group *cg) | |
0aba65da UH |
290 | { |
291 | struct dev_context *devc; | |
6d16fdfb | 292 | uint16_t flag; |
e46aa4f6 | 293 | uint64_t tmp_u64; |
967760a8 | 294 | const char *stropt; |
0aba65da | 295 | |
53b4680f | 296 | (void)cg; |
8f996b89 | 297 | |
0aba65da UH |
298 | devc = sdi->priv; |
299 | ||
584560f1 | 300 | switch (key) { |
1953564a | 301 | case SR_CONF_SAMPLERATE: |
e46aa4f6 BV |
302 | tmp_u64 = g_variant_get_uint64(data); |
303 | if (tmp_u64 < samplerates[0] || tmp_u64 > samplerates[1]) | |
304 | return SR_ERR_SAMPLERATE; | |
758906aa | 305 | return ols_set_samplerate(sdi, g_variant_get_uint64(data)); |
1953564a | 306 | case SR_CONF_LIMIT_SAMPLES: |
e46aa4f6 BV |
307 | tmp_u64 = g_variant_get_uint64(data); |
308 | if (tmp_u64 < MIN_NUM_SAMPLES) | |
0aba65da | 309 | return SR_ERR; |
e46aa4f6 | 310 | devc->limit_samples = tmp_u64; |
0aba65da | 311 | break; |
1953564a | 312 | case SR_CONF_CAPTURE_RATIO: |
e46aa4f6 | 313 | devc->capture_ratio = g_variant_get_uint64(data); |
0aba65da | 314 | break; |
eb1b610b MR |
315 | case SR_CONF_EXTERNAL_CLOCK: |
316 | if (g_variant_get_boolean(data)) { | |
317 | sr_info("Enabling external clock."); | |
a80bed76 | 318 | devc->capture_flags |= CAPTURE_FLAG_CLOCK_EXTERNAL; |
eb1b610b MR |
319 | } else { |
320 | sr_info("Disabled external clock."); | |
a80bed76 | 321 | devc->capture_flags &= ~CAPTURE_FLAG_CLOCK_EXTERNAL; |
eb1b610b | 322 | } |
eb1b610b | 323 | break; |
f20c39d9 | 324 | case SR_CONF_CLOCK_EDGE: |
325 | stropt = g_variant_get_string(data, NULL); | |
326 | if (!strcmp(stropt, external_clock_edges[1])) { | |
327 | sr_info("Triggering on falling edge of external clock."); | |
328 | devc->capture_flags |= CAPTURE_FLAG_INVERT_EXT_CLOCK; | |
329 | } else { | |
330 | sr_info("Triggering on rising edge of external clock."); | |
331 | devc->capture_flags &= ~CAPTURE_FLAG_INVERT_EXT_CLOCK; | |
332 | } | |
333 | break; | |
967760a8 MR |
334 | case SR_CONF_PATTERN_MODE: |
335 | stropt = g_variant_get_string(data, NULL); | |
6d16fdfb BV |
336 | if (!strcmp(stropt, STR_PATTERN_NONE)) { |
337 | sr_info("Disabling test modes."); | |
338 | flag = 0x0000; | |
758906aa | 339 | } else if (!strcmp(stropt, STR_PATTERN_INTERNAL)) { |
967760a8 | 340 | sr_info("Enabling internal test mode."); |
a80bed76 | 341 | flag = CAPTURE_FLAG_INTERNAL_TEST_MODE; |
967760a8 MR |
342 | } else if (!strcmp(stropt, STR_PATTERN_EXTERNAL)) { |
343 | sr_info("Enabling external test mode."); | |
a80bed76 | 344 | flag = CAPTURE_FLAG_EXTERNAL_TEST_MODE; |
967760a8 | 345 | } else { |
758906aa | 346 | return SR_ERR; |
967760a8 | 347 | } |
a80bed76 | 348 | devc->capture_flags &= ~CAPTURE_FLAG_INTERNAL_TEST_MODE; |
349 | devc->capture_flags &= ~CAPTURE_FLAG_EXTERNAL_TEST_MODE; | |
350 | devc->capture_flags |= flag; | |
967760a8 | 351 | break; |
7b0a57fd MR |
352 | case SR_CONF_SWAP: |
353 | if (g_variant_get_boolean(data)) { | |
354 | sr_info("Enabling channel swapping."); | |
a80bed76 | 355 | devc->capture_flags |= CAPTURE_FLAG_SWAP_CHANNELS; |
7b0a57fd MR |
356 | } else { |
357 | sr_info("Disabling channel swapping."); | |
a80bed76 | 358 | devc->capture_flags &= ~CAPTURE_FLAG_SWAP_CHANNELS; |
7b0a57fd | 359 | } |
7b0a57fd | 360 | break; |
1953564a | 361 | case SR_CONF_RLE: |
e46aa4f6 | 362 | if (g_variant_get_boolean(data)) { |
0aba65da | 363 | sr_info("Enabling RLE."); |
a80bed76 | 364 | devc->capture_flags |= CAPTURE_FLAG_RLE; |
aeea0572 BV |
365 | } else { |
366 | sr_info("Disabling RLE."); | |
a80bed76 | 367 | devc->capture_flags &= ~CAPTURE_FLAG_RLE; |
0aba65da | 368 | } |
0aba65da UH |
369 | break; |
370 | default: | |
758906aa | 371 | return SR_ERR_NA; |
0aba65da UH |
372 | } |
373 | ||
758906aa | 374 | return SR_OK; |
0aba65da UH |
375 | } |
376 | ||
dd7a72ea | 377 | static int config_list(uint32_t key, GVariant **data, |
55eca716 | 378 | const struct sr_dev_inst *sdi, |
379 | const struct sr_channel_group *cg) | |
a1c743fc | 380 | { |
f0de2dd0 | 381 | struct dev_context *devc; |
91fd0f72 | 382 | int num_ols_changrp, i; |
a1c743fc | 383 | |
a1c743fc | 384 | switch (key) { |
0d485e30 | 385 | case SR_CONF_SCAN_OPTIONS: |
9a6517d1 | 386 | case SR_CONF_DEVICE_OPTIONS: |
55eca716 | 387 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, |
388 | devopts); | |
a1c743fc | 389 | case SR_CONF_SAMPLERATE: |
53012da6 | 390 | *data = std_gvar_samplerates_steps(ARRAY_AND_SIZE(samplerates)); |
a1c743fc | 391 | break; |
91fd0f72 | 392 | case SR_CONF_TRIGGER_MATCH: |
53012da6 | 393 | *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches)); |
c50277a6 | 394 | break; |
f20c39d9 | 395 | case SR_CONF_CLOCK_EDGE: |
396 | *data = std_gvar_array_str(ARRAY_AND_SIZE(external_clock_edges)); | |
397 | break; | |
7c07a178 | 398 | case SR_CONF_PATTERN_MODE: |
53012da6 | 399 | *data = g_variant_new_strv(ARRAY_AND_SIZE(patterns)); |
7c07a178 | 400 | break; |
f0de2dd0 BV |
401 | case SR_CONF_LIMIT_SAMPLES: |
402 | if (!sdi) | |
403 | return SR_ERR_ARG; | |
404 | devc = sdi->priv; | |
f0de2dd0 BV |
405 | if (devc->max_samples == 0) |
406 | /* Device didn't specify sample memory size in metadata. */ | |
407 | return SR_ERR_NA; | |
408 | /* | |
ba7dd8bb | 409 | * Channel groups are turned off if no channels in that group are |
f0de2dd0 BV |
410 | * enabled, making more room for samples for the enabled group. |
411 | */ | |
f8fd8420 | 412 | uint32_t channel_mask = ols_channel_mask(sdi); |
91fd0f72 | 413 | num_ols_changrp = 0; |
f0de2dd0 | 414 | for (i = 0; i < 4; i++) { |
f8fd8420 | 415 | if (channel_mask & (0xff << (i * 8))) |
91fd0f72 | 416 | num_ols_changrp++; |
1e1dac0c | 417 | } |
a162eeb2 | 418 | |
55eca716 | 419 | *data = std_gvar_tuple_u64(MIN_NUM_SAMPLES, (num_ols_changrp) |
420 | ? devc->max_samples / num_ols_changrp : MIN_NUM_SAMPLES); | |
f0de2dd0 | 421 | break; |
a1c743fc | 422 | default: |
bd6fbf62 | 423 | return SR_ERR_NA; |
a1c743fc BV |
424 | } |
425 | ||
426 | return SR_OK; | |
427 | } | |
428 | ||
695dc859 | 429 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
0aba65da | 430 | { |
f8fd8420 | 431 | int ret; |
0aba65da | 432 | struct dev_context *devc; |
459a0f26 | 433 | struct sr_serial_dev_inst *serial; |
0aba65da UH |
434 | |
435 | devc = sdi->priv; | |
459a0f26 | 436 | serial = sdi->conn; |
0aba65da | 437 | |
f8fd8420 | 438 | ret = ols_prepare_acquisition(sdi); |
439 | if (ret != SR_OK) | |
440 | return ret; | |
0aba65da UH |
441 | |
442 | /* Start acquisition on the device. */ | |
6f9234e6 | 443 | if (send_shortcommand(serial, CMD_ARM_BASIC_TRIGGER) != SR_OK) |
0aba65da UH |
444 | return SR_ERR; |
445 | ||
bf256783 | 446 | /* Reset all operational states. */ |
6d16fdfb BV |
447 | devc->rle_count = devc->num_transfers = 0; |
448 | devc->num_samples = devc->num_bytes = 0; | |
625763e2 | 449 | devc->cnt_bytes = devc->cnt_samples = devc->cnt_samples_rle = 0; |
abb39e6b | 450 | memset(devc->sample, 0, 4); |
bf256783 | 451 | |
bee2b016 | 452 | std_session_send_df_header(sdi); |
4afdfd46 | 453 | |
8105e829 DE |
454 | /* If the device stops sending for longer than it takes to send a byte, |
455 | * that means it's finished. But wait at least 100 ms to be safe. | |
456 | */ | |
74e28c06 | 457 | return serial_source_add(sdi->session, serial, G_IO_IN, 100, |
458 | ols_receive_data, (struct sr_dev_inst *)sdi); | |
0aba65da UH |
459 | } |
460 | ||
695dc859 | 461 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
0aba65da | 462 | { |
0aba65da UH |
463 | abort_acquisition(sdi); |
464 | ||
465 | return SR_OK; | |
466 | } | |
467 | ||
15a5bfe4 | 468 | static struct sr_dev_driver ols_driver_info = { |
0aba65da | 469 | .name = "ols", |
60143473 | 470 | .longname = "Openbench Logic Sniffer & SUMP compatibles", |
0aba65da | 471 | .api_version = 1, |
c2fdcc25 | 472 | .init = std_init, |
700d6b64 | 473 | .cleanup = std_cleanup, |
03f4de8c | 474 | .scan = scan, |
c01bf34c | 475 | .dev_list = std_dev_list, |
f778bf02 | 476 | .dev_clear = std_dev_clear, |
035a1078 BV |
477 | .config_get = config_get, |
478 | .config_set = config_set, | |
a1c743fc | 479 | .config_list = config_list, |
854434de | 480 | .dev_open = std_serial_dev_open, |
bf2c987f | 481 | .dev_close = std_serial_dev_close, |
03f4de8c BV |
482 | .dev_acquisition_start = dev_acquisition_start, |
483 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 484 | .context = NULL, |
0aba65da | 485 | }; |
dd5c48a6 | 486 | SR_REGISTER_DEV_DRIVER(ols_driver_info); |