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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" | |
bf72f649 | 21 | #include <libserialport.h> |
0aba65da UH |
22 | |
23 | #define SERIALCOMM "115200/8n1" | |
24 | ||
e46aa4f6 | 25 | static const int32_t hwopts[] = { |
1953564a BV |
26 | SR_CONF_CONN, |
27 | SR_CONF_SERIALCOMM, | |
aeabd308 UH |
28 | }; |
29 | ||
e46aa4f6 | 30 | static const int32_t hwcaps[] = { |
1953564a BV |
31 | SR_CONF_LOGIC_ANALYZER, |
32 | SR_CONF_SAMPLERATE, | |
0c05591a | 33 | SR_CONF_TRIGGER_TYPE, |
1953564a BV |
34 | SR_CONF_CAPTURE_RATIO, |
35 | SR_CONF_LIMIT_SAMPLES, | |
eb1b610b | 36 | SR_CONF_EXTERNAL_CLOCK, |
967760a8 | 37 | SR_CONF_PATTERN_MODE, |
7b0a57fd | 38 | SR_CONF_SWAP, |
1953564a | 39 | SR_CONF_RLE, |
0aba65da UH |
40 | }; |
41 | ||
967760a8 MR |
42 | #define STR_PATTERN_EXTERNAL "external" |
43 | #define STR_PATTERN_INTERNAL "internal" | |
44 | ||
45 | /* Supported methods of test pattern outputs */ | |
46 | enum { | |
47 | /** | |
48 | * Capture pins 31:16 (unbuffered wing) output a test pattern | |
49 | * that can captured on pins 0:15. | |
50 | */ | |
51 | PATTERN_EXTERNAL, | |
52 | ||
53 | /** Route test pattern internally to capture buffer. */ | |
54 | PATTERN_INTERNAL, | |
55 | }; | |
56 | ||
7c07a178 UH |
57 | static const char *patterns[] = { |
58 | STR_PATTERN_EXTERNAL, | |
59 | STR_PATTERN_INTERNAL, | |
60 | }; | |
61 | ||
0aba65da UH |
62 | /* Probes are numbered 0-31 (on the PCB silkscreen). */ |
63 | SR_PRIV const char *ols_probe_names[NUM_PROBES + 1] = { | |
78693401 UH |
64 | "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", |
65 | "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", | |
66 | "24", "25", "26", "27", "28", "29", "30", "31", | |
0aba65da UH |
67 | NULL, |
68 | }; | |
69 | ||
d3b38ad3 | 70 | /* Default supported samplerates, can be overridden by device metadata. */ |
e46aa4f6 BV |
71 | static const uint64_t samplerates[] = { |
72 | SR_HZ(10), | |
73 | SR_MHZ(200), | |
74 | SR_HZ(1), | |
0aba65da UH |
75 | }; |
76 | ||
77 | SR_PRIV struct sr_dev_driver ols_driver_info; | |
78 | static struct sr_dev_driver *di = &ols_driver_info; | |
79 | ||
eea49cf1 UH |
80 | static int dev_clear(void) |
81 | { | |
82 | return std_dev_clear(di, NULL); | |
83 | } | |
84 | ||
03f4de8c | 85 | static int init(struct sr_context *sr_ctx) |
0aba65da | 86 | { |
f6beaac5 | 87 | return std_init(sr_ctx, di, LOG_PREFIX); |
0aba65da UH |
88 | } |
89 | ||
03f4de8c | 90 | static GSList *scan(GSList *options) |
0aba65da | 91 | { |
1987b8d6 | 92 | struct sr_config *src; |
0aba65da UH |
93 | struct sr_dev_inst *sdi; |
94 | struct drv_context *drvc; | |
95 | struct dev_context *devc; | |
96 | struct sr_probe *probe; | |
97 | struct sr_serial_dev_inst *serial; | |
98 | GPollFD probefd; | |
99 | GSList *l, *devices; | |
100 | int ret, i; | |
101 | const char *conn, *serialcomm; | |
102 | char buf[8]; | |
103 | ||
0aba65da | 104 | drvc = di->priv; |
4b97c74e | 105 | |
0aba65da UH |
106 | devices = NULL; |
107 | ||
108 | conn = serialcomm = NULL; | |
109 | for (l = options; l; l = l->next) { | |
1987b8d6 BV |
110 | src = l->data; |
111 | switch (src->key) { | |
1953564a | 112 | case SR_CONF_CONN: |
e46aa4f6 | 113 | conn = g_variant_get_string(src->data, NULL); |
0aba65da | 114 | break; |
1953564a | 115 | case SR_CONF_SERIALCOMM: |
e46aa4f6 | 116 | serialcomm = g_variant_get_string(src->data, NULL); |
0aba65da UH |
117 | break; |
118 | } | |
119 | } | |
120 | if (!conn) | |
121 | return NULL; | |
122 | ||
123 | if (serialcomm == NULL) | |
124 | serialcomm = SERIALCOMM; | |
125 | ||
126 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) | |
127 | return NULL; | |
128 | ||
129 | /* The discovery procedure is like this: first send the Reset | |
130 | * command (0x00) 5 times, since the device could be anywhere | |
131 | * in a 5-byte command. Then send the ID command (0x02). | |
132 | * If the device responds with 4 bytes ("OLS1" or "SLA1"), we | |
133 | * have a match. | |
134 | */ | |
135 | sr_info("Probing %s.", conn); | |
136 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) | |
137 | return NULL; | |
138 | ||
139 | ret = SR_OK; | |
140 | for (i = 0; i < 5; i++) { | |
141 | if ((ret = send_shortcommand(serial, CMD_RESET)) != SR_OK) { | |
142 | sr_err("Port %s is not writable.", conn); | |
143 | break; | |
144 | } | |
145 | } | |
146 | if (ret != SR_OK) { | |
147 | serial_close(serial); | |
148 | sr_err("Could not use port %s. Quitting.", conn); | |
149 | return NULL; | |
150 | } | |
151 | send_shortcommand(serial, CMD_ID); | |
152 | ||
153 | /* Wait 10ms for a response. */ | |
154 | g_usleep(10000); | |
155 | ||
bf72f649 | 156 | sp_get_port_handle(serial->data, &probefd.fd); |
0aba65da UH |
157 | probefd.events = G_IO_IN; |
158 | g_poll(&probefd, 1, 1); | |
159 | ||
160 | if (probefd.revents != G_IO_IN) | |
161 | return NULL; | |
9f5d4c3c | 162 | if (serial_read_blocking(serial, buf, 4) != 4) |
0aba65da UH |
163 | return NULL; |
164 | if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4)) | |
165 | return NULL; | |
166 | ||
167 | /* Definitely using the OLS protocol, check if it supports | |
168 | * the metadata command. | |
169 | */ | |
170 | send_shortcommand(serial, CMD_METADATA); | |
171 | if (g_poll(&probefd, 1, 10) > 0) { | |
172 | /* Got metadata. */ | |
173 | sdi = get_metadata(serial); | |
174 | sdi->index = 0; | |
175 | devc = sdi->priv; | |
176 | } else { | |
177 | /* Not an OLS -- some other board that uses the sump protocol. */ | |
72cd99b8 | 178 | sr_info("Device does not support metadata."); |
0aba65da UH |
179 | sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, |
180 | "Sump", "Logic Analyzer", "v1.0"); | |
181 | sdi->driver = di; | |
0aba65da UH |
182 | for (i = 0; i < 32; i++) { |
183 | if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, | |
184 | ols_probe_names[i]))) | |
185 | return 0; | |
186 | sdi->probes = g_slist_append(sdi->probes, probe); | |
187 | } | |
bf256783 | 188 | devc = ols_dev_new(); |
0aba65da UH |
189 | sdi->priv = devc; |
190 | } | |
bf256783 BV |
191 | /* Configure samplerate and divider. */ |
192 | if (ols_set_samplerate(sdi, DEFAULT_SAMPLERATE) != SR_OK) | |
193 | sr_dbg("Failed to set default samplerate (%"PRIu64").", | |
194 | DEFAULT_SAMPLERATE); | |
195 | /* Clear trigger masks, values and stages. */ | |
196 | ols_configure_probes(sdi); | |
459a0f26 BV |
197 | sdi->inst_type = SR_INST_SERIAL; |
198 | sdi->conn = serial; | |
bf256783 | 199 | |
0aba65da UH |
200 | drvc->instances = g_slist_append(drvc->instances, sdi); |
201 | devices = g_slist_append(devices, sdi); | |
202 | ||
203 | serial_close(serial); | |
204 | ||
205 | return devices; | |
206 | } | |
207 | ||
03f4de8c | 208 | static GSList *dev_list(void) |
0aba65da | 209 | { |
0e94d524 | 210 | return ((struct drv_context *)(di->priv))->instances; |
0aba65da UH |
211 | } |
212 | ||
eea49cf1 | 213 | static int cleanup(void) |
0aba65da | 214 | { |
eea49cf1 | 215 | return dev_clear(); |
0aba65da UH |
216 | } |
217 | ||
8f996b89 ML |
218 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
219 | const struct sr_probe_group *probe_group) | |
0aba65da UH |
220 | { |
221 | struct dev_context *devc; | |
222 | ||
8f996b89 ML |
223 | (void)probe_group; |
224 | ||
0c05591a BV |
225 | if (!sdi) |
226 | return SR_ERR_ARG; | |
227 | ||
228 | devc = sdi->priv; | |
035a1078 | 229 | switch (id) { |
123e1313 | 230 | case SR_CONF_SAMPLERATE: |
0c05591a BV |
231 | *data = g_variant_new_uint64(devc->cur_samplerate); |
232 | break; | |
233 | case SR_CONF_CAPTURE_RATIO: | |
234 | *data = g_variant_new_uint64(devc->capture_ratio); | |
235 | break; | |
236 | case SR_CONF_LIMIT_SAMPLES: | |
237 | *data = g_variant_new_uint64(devc->limit_samples); | |
238 | break; | |
967760a8 MR |
239 | case SR_CONF_PATTERN_MODE: |
240 | if (devc->flag_reg & FLAG_EXTERNAL_TEST_MODE) | |
241 | *data = g_variant_new_string(STR_PATTERN_EXTERNAL); | |
242 | else if (devc->flag_reg & FLAG_INTERNAL_TEST_MODE) | |
243 | *data = g_variant_new_string(STR_PATTERN_INTERNAL); | |
244 | break; | |
0c05591a BV |
245 | case SR_CONF_RLE: |
246 | *data = g_variant_new_boolean(devc->flag_reg & FLAG_RLE ? TRUE : FALSE); | |
0aba65da UH |
247 | break; |
248 | default: | |
bd6fbf62 | 249 | return SR_ERR_NA; |
0aba65da UH |
250 | } |
251 | ||
252 | return SR_OK; | |
253 | } | |
254 | ||
8f996b89 ML |
255 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
256 | const struct sr_probe_group *probe_group) | |
0aba65da UH |
257 | { |
258 | struct dev_context *devc; | |
259 | int ret; | |
e46aa4f6 | 260 | uint64_t tmp_u64; |
967760a8 | 261 | const char *stropt; |
0aba65da | 262 | |
8f996b89 ML |
263 | (void)probe_group; |
264 | ||
e73ffd42 BV |
265 | if (sdi->status != SR_ST_ACTIVE) |
266 | return SR_ERR_DEV_CLOSED; | |
267 | ||
0aba65da UH |
268 | devc = sdi->priv; |
269 | ||
035a1078 | 270 | switch (id) { |
1953564a | 271 | case SR_CONF_SAMPLERATE: |
e46aa4f6 BV |
272 | tmp_u64 = g_variant_get_uint64(data); |
273 | if (tmp_u64 < samplerates[0] || tmp_u64 > samplerates[1]) | |
274 | return SR_ERR_SAMPLERATE; | |
275 | ret = ols_set_samplerate(sdi, g_variant_get_uint64(data)); | |
0aba65da | 276 | break; |
1953564a | 277 | case SR_CONF_LIMIT_SAMPLES: |
e46aa4f6 BV |
278 | tmp_u64 = g_variant_get_uint64(data); |
279 | if (tmp_u64 < MIN_NUM_SAMPLES) | |
0aba65da | 280 | return SR_ERR; |
e46aa4f6 | 281 | devc->limit_samples = tmp_u64; |
0aba65da UH |
282 | ret = SR_OK; |
283 | break; | |
1953564a | 284 | case SR_CONF_CAPTURE_RATIO: |
e46aa4f6 | 285 | devc->capture_ratio = g_variant_get_uint64(data); |
0aba65da UH |
286 | if (devc->capture_ratio < 0 || devc->capture_ratio > 100) { |
287 | devc->capture_ratio = 0; | |
288 | ret = SR_ERR; | |
289 | } else | |
290 | ret = SR_OK; | |
291 | break; | |
eb1b610b MR |
292 | case SR_CONF_EXTERNAL_CLOCK: |
293 | if (g_variant_get_boolean(data)) { | |
294 | sr_info("Enabling external clock."); | |
295 | devc->flag_reg |= FLAG_CLOCK_EXTERNAL; | |
296 | } else { | |
297 | sr_info("Disabled external clock."); | |
298 | devc->flag_reg &= ~FLAG_CLOCK_EXTERNAL; | |
299 | } | |
300 | ret = SR_OK; | |
301 | break; | |
967760a8 MR |
302 | case SR_CONF_PATTERN_MODE: |
303 | stropt = g_variant_get_string(data, NULL); | |
304 | ret = SR_OK; | |
305 | if (!strcmp(stropt, STR_PATTERN_INTERNAL)) { | |
306 | sr_info("Enabling internal test mode."); | |
307 | devc->flag_reg |= FLAG_INTERNAL_TEST_MODE; | |
308 | } else if (!strcmp(stropt, STR_PATTERN_EXTERNAL)) { | |
309 | sr_info("Enabling external test mode."); | |
310 | devc->flag_reg |= FLAG_EXTERNAL_TEST_MODE; | |
311 | } else { | |
312 | ret = SR_ERR; | |
313 | } | |
314 | break; | |
7b0a57fd MR |
315 | case SR_CONF_SWAP: |
316 | if (g_variant_get_boolean(data)) { | |
317 | sr_info("Enabling channel swapping."); | |
318 | devc->flag_reg |= FLAG_SWAP_PROBES; | |
319 | } else { | |
320 | sr_info("Disabling channel swapping."); | |
321 | devc->flag_reg &= ~FLAG_SWAP_PROBES; | |
322 | } | |
323 | ret = SR_OK; | |
324 | break; | |
325 | ||
1953564a | 326 | case SR_CONF_RLE: |
e46aa4f6 | 327 | if (g_variant_get_boolean(data)) { |
0aba65da UH |
328 | sr_info("Enabling RLE."); |
329 | devc->flag_reg |= FLAG_RLE; | |
aeea0572 BV |
330 | } else { |
331 | sr_info("Disabling RLE."); | |
332 | devc->flag_reg &= ~FLAG_RLE; | |
0aba65da UH |
333 | } |
334 | ret = SR_OK; | |
335 | break; | |
336 | default: | |
bd6fbf62 | 337 | ret = SR_ERR_NA; |
0aba65da UH |
338 | } |
339 | ||
340 | return ret; | |
341 | } | |
342 | ||
8f996b89 ML |
343 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
344 | const struct sr_probe_group *probe_group) | |
a1c743fc | 345 | { |
e46aa4f6 BV |
346 | GVariant *gvar; |
347 | GVariantBuilder gvb; | |
a1c743fc BV |
348 | |
349 | (void)sdi; | |
8f996b89 | 350 | (void)probe_group; |
a1c743fc BV |
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; |
7c07a178 UH |
371 | case SR_CONF_PATTERN_MODE: |
372 | *data = g_variant_new_strv(patterns, ARRAY_SIZE(patterns)); | |
373 | break; | |
a1c743fc | 374 | default: |
bd6fbf62 | 375 | return SR_ERR_NA; |
a1c743fc BV |
376 | } |
377 | ||
378 | return SR_OK; | |
379 | } | |
380 | ||
03f4de8c | 381 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, |
0aba65da UH |
382 | void *cb_data) |
383 | { | |
0aba65da | 384 | struct dev_context *devc; |
459a0f26 | 385 | struct sr_serial_dev_inst *serial; |
0aba65da UH |
386 | uint32_t trigger_config[4]; |
387 | uint32_t data; | |
388 | uint16_t readcount, delaycount; | |
389 | uint8_t changrp_mask; | |
390 | int num_channels; | |
391 | int i; | |
392 | ||
e73ffd42 BV |
393 | if (sdi->status != SR_ST_ACTIVE) |
394 | return SR_ERR_DEV_CLOSED; | |
395 | ||
0aba65da | 396 | devc = sdi->priv; |
459a0f26 | 397 | serial = sdi->conn; |
0aba65da | 398 | |
0aba65da UH |
399 | if (ols_configure_probes(sdi) != SR_OK) { |
400 | sr_err("Failed to configure probes."); | |
401 | return SR_ERR; | |
402 | } | |
403 | ||
404 | /* | |
405 | * Enable/disable channel groups in the flag register according to the | |
406 | * probe mask. Calculate this here, because num_channels is needed | |
407 | * to limit readcount. | |
408 | */ | |
409 | changrp_mask = 0; | |
410 | num_channels = 0; | |
411 | for (i = 0; i < 4; i++) { | |
412 | if (devc->probe_mask & (0xff << (i * 8))) { | |
413 | changrp_mask |= (1 << i); | |
414 | num_channels++; | |
415 | } | |
416 | } | |
417 | ||
418 | /* | |
419 | * Limit readcount to prevent reading past the end of the hardware | |
420 | * buffer. | |
421 | */ | |
422 | readcount = MIN(devc->max_samples / num_channels, devc->limit_samples) / 4; | |
423 | ||
424 | memset(trigger_config, 0, 16); | |
2e5b73c0 | 425 | trigger_config[devc->num_stages] |= 0x08; |
0aba65da UH |
426 | if (devc->trigger_mask[0]) { |
427 | delaycount = readcount * (1 - devc->capture_ratio / 100.0); | |
428 | devc->trigger_at = (readcount - delaycount) * 4 - devc->num_stages; | |
429 | ||
459a0f26 | 430 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_0, |
0aba65da UH |
431 | reverse32(devc->trigger_mask[0])) != SR_OK) |
432 | return SR_ERR; | |
459a0f26 | 433 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_0, |
0aba65da UH |
434 | reverse32(devc->trigger_value[0])) != SR_OK) |
435 | return SR_ERR; | |
459a0f26 | 436 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_0, |
0aba65da UH |
437 | trigger_config[0]) != SR_OK) |
438 | return SR_ERR; | |
439 | ||
459a0f26 | 440 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_1, |
0aba65da UH |
441 | reverse32(devc->trigger_mask[1])) != SR_OK) |
442 | return SR_ERR; | |
459a0f26 | 443 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_1, |
0aba65da UH |
444 | reverse32(devc->trigger_value[1])) != SR_OK) |
445 | return SR_ERR; | |
459a0f26 | 446 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_1, |
0aba65da UH |
447 | trigger_config[1]) != SR_OK) |
448 | return SR_ERR; | |
449 | ||
459a0f26 | 450 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_2, |
0aba65da UH |
451 | reverse32(devc->trigger_mask[2])) != SR_OK) |
452 | return SR_ERR; | |
459a0f26 | 453 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_2, |
0aba65da UH |
454 | reverse32(devc->trigger_value[2])) != SR_OK) |
455 | return SR_ERR; | |
459a0f26 | 456 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_2, |
0aba65da UH |
457 | trigger_config[2]) != SR_OK) |
458 | return SR_ERR; | |
459 | ||
459a0f26 | 460 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_3, |
0aba65da UH |
461 | reverse32(devc->trigger_mask[3])) != SR_OK) |
462 | return SR_ERR; | |
459a0f26 | 463 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_3, |
0aba65da UH |
464 | reverse32(devc->trigger_value[3])) != SR_OK) |
465 | return SR_ERR; | |
459a0f26 | 466 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_3, |
0aba65da UH |
467 | trigger_config[3]) != SR_OK) |
468 | return SR_ERR; | |
469 | } else { | |
459a0f26 | 470 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_0, |
0aba65da UH |
471 | devc->trigger_mask[0]) != SR_OK) |
472 | return SR_ERR; | |
459a0f26 | 473 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_0, |
0aba65da UH |
474 | devc->trigger_value[0]) != SR_OK) |
475 | return SR_ERR; | |
459a0f26 | 476 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_0, |
0aba65da UH |
477 | 0x00000008) != SR_OK) |
478 | return SR_ERR; | |
479 | delaycount = readcount; | |
480 | } | |
481 | ||
482 | sr_info("Setting samplerate to %" PRIu64 "Hz (divider %u, " | |
de524099 MR |
483 | "demux %s, noise_filter %s)", devc->cur_samplerate, |
484 | devc->cur_samplerate_divider, | |
485 | devc->flag_reg & FLAG_DEMUX ? "on" : "off", | |
486 | devc->flag_reg & FLAG_FILTER ? "on": "off"); | |
459a0f26 | 487 | if (send_longcommand(serial, CMD_SET_DIVIDER, |
0aba65da UH |
488 | reverse32(devc->cur_samplerate_divider)) != SR_OK) |
489 | return SR_ERR; | |
490 | ||
491 | /* Send sample limit and pre/post-trigger capture ratio. */ | |
492 | data = ((readcount - 1) & 0xffff) << 16; | |
493 | data |= (delaycount - 1) & 0xffff; | |
459a0f26 | 494 | if (send_longcommand(serial, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK) |
0aba65da UH |
495 | return SR_ERR; |
496 | ||
497 | /* The flag register wants them here, and 1 means "disable channel". */ | |
498 | devc->flag_reg |= ~(changrp_mask << 2) & 0x3c; | |
0aba65da UH |
499 | devc->rle_count = 0; |
500 | data = (devc->flag_reg << 24) | ((devc->flag_reg << 8) & 0xff0000); | |
459a0f26 | 501 | if (send_longcommand(serial, CMD_SET_FLAGS, data) != SR_OK) |
0aba65da UH |
502 | return SR_ERR; |
503 | ||
504 | /* Start acquisition on the device. */ | |
459a0f26 | 505 | if (send_shortcommand(serial, CMD_RUN) != SR_OK) |
0aba65da UH |
506 | return SR_ERR; |
507 | ||
bf256783 BV |
508 | /* Reset all operational states. */ |
509 | devc->num_transfers = devc->num_samples = devc->num_bytes = 0; | |
abb39e6b | 510 | memset(devc->sample, 0, 4); |
bf256783 | 511 | |
4afdfd46 | 512 | /* Send header packet to the session bus. */ |
29a27196 | 513 | std_session_send_df_header(cb_data, LOG_PREFIX); |
4afdfd46 | 514 | |
abc4b335 | 515 | serial_source_add(serial, G_IO_IN, -1, ols_receive_data, cb_data); |
0aba65da | 516 | |
0aba65da UH |
517 | return SR_OK; |
518 | } | |
519 | ||
03f4de8c | 520 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
0aba65da | 521 | { |
0aba65da UH |
522 | (void)cb_data; |
523 | ||
524 | abort_acquisition(sdi); | |
525 | ||
526 | return SR_OK; | |
527 | } | |
528 | ||
529 | SR_PRIV struct sr_dev_driver ols_driver_info = { | |
530 | .name = "ols", | |
531 | .longname = "Openbench Logic Sniffer", | |
532 | .api_version = 1, | |
03f4de8c | 533 | .init = init, |
eea49cf1 | 534 | .cleanup = cleanup, |
03f4de8c BV |
535 | .scan = scan, |
536 | .dev_list = dev_list, | |
537 | .dev_clear = dev_clear, | |
035a1078 BV |
538 | .config_get = config_get, |
539 | .config_set = config_set, | |
a1c743fc | 540 | .config_list = config_list, |
854434de | 541 | .dev_open = std_serial_dev_open, |
bf2c987f | 542 | .dev_close = std_serial_dev_close, |
03f4de8c BV |
543 | .dev_acquisition_start = dev_acquisition_start, |
544 | .dev_acquisition_stop = dev_acquisition_stop, | |
0aba65da UH |
545 | .priv = NULL, |
546 | }; |