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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2014 abraxa (Soeren Apel) <soeren@apelpie.net> | |
5 | * Based on the Hameg HMO driver by poljar (Damir Jelić) <poljarinho@gmail.com> | |
6 | * | |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #include <stdlib.h> | |
22 | #include "protocol.h" | |
23 | ||
24 | SR_PRIV struct sr_dev_driver yokogawa_dlm_driver_info; | |
25 | ||
26 | static char *MANUFACTURER_ID = "YOKOGAWA"; | |
27 | static char *MANUFACTURER_NAME = "Yokogawa"; | |
28 | ||
29 | static const uint32_t drvopts[] = { | |
30 | SR_CONF_LOGIC_ANALYZER, | |
31 | SR_CONF_OSCILLOSCOPE, | |
32 | }; | |
33 | ||
34 | enum { | |
35 | CG_INVALID = -1, | |
36 | CG_NONE, | |
37 | CG_ANALOG, | |
38 | CG_DIGITAL, | |
39 | }; | |
40 | ||
41 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) | |
42 | { | |
43 | return std_init(sr_ctx, di, LOG_PREFIX); | |
44 | } | |
45 | ||
46 | static struct sr_dev_inst *probe_usbtmc_device(struct sr_scpi_dev_inst *scpi) | |
47 | { | |
48 | struct sr_dev_inst *sdi; | |
49 | struct dev_context *devc; | |
50 | struct sr_scpi_hw_info *hw_info; | |
51 | char *model_name; | |
52 | int model_index; | |
53 | ||
54 | sdi = NULL; | |
55 | devc = NULL; | |
56 | hw_info = NULL; | |
57 | ||
58 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
59 | sr_info("Couldn't get IDN response."); | |
60 | goto fail; | |
61 | } | |
62 | ||
63 | if (strcmp(hw_info->manufacturer, MANUFACTURER_ID) != 0) | |
64 | goto fail; | |
65 | ||
66 | if (dlm_model_get(hw_info->model, &model_name, &model_index) != SR_OK) | |
67 | goto fail; | |
68 | ||
69 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
70 | sdi->status = SR_ST_ACTIVE; | |
71 | sdi->vendor = g_strdup(MANUFACTURER_NAME); | |
72 | sdi->model = g_strdup(model_name); | |
73 | sdi->version = g_strdup(hw_info->firmware_version); | |
74 | ||
75 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
76 | ||
77 | sr_scpi_hw_info_free(hw_info); | |
78 | hw_info = NULL; | |
79 | ||
80 | devc = g_malloc0(sizeof(struct dev_context)); | |
81 | ||
82 | sdi->driver = &yokogawa_dlm_driver_info; | |
83 | sdi->priv = devc; | |
84 | sdi->inst_type = SR_INST_SCPI; | |
85 | sdi->conn = scpi; | |
86 | ||
87 | if (dlm_device_init(sdi, model_index) != SR_OK) | |
88 | goto fail; | |
89 | ||
90 | sr_scpi_close(sdi->conn); | |
91 | ||
92 | sdi->status = SR_ST_INACTIVE; | |
93 | return sdi; | |
94 | ||
95 | fail: | |
96 | if (hw_info) | |
97 | sr_scpi_hw_info_free(hw_info); | |
98 | if (sdi) | |
99 | sr_dev_inst_free(sdi); | |
100 | if (devc) | |
101 | g_free(devc); | |
102 | ||
103 | return NULL; | |
104 | } | |
105 | ||
106 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
107 | { | |
108 | return sr_scpi_scan(di->priv, options, probe_usbtmc_device); | |
109 | } | |
110 | ||
111 | static GSList *dev_list(const struct sr_dev_driver *di) | |
112 | { | |
113 | return ((struct drv_context *)(di->priv))->instances; | |
114 | } | |
115 | ||
116 | static void clear_helper(void *priv) | |
117 | { | |
118 | struct dev_context *devc; | |
119 | ||
120 | devc = priv; | |
121 | ||
122 | dlm_scope_state_destroy(devc->model_state); | |
123 | ||
124 | g_free(devc->analog_groups); | |
125 | g_free(devc->digital_groups); | |
126 | g_free(devc); | |
127 | } | |
128 | ||
129 | static int dev_clear(const struct sr_dev_driver *di) | |
130 | { | |
131 | return std_dev_clear(di, clear_helper); | |
132 | } | |
133 | ||
134 | static int dev_open(struct sr_dev_inst *sdi) | |
135 | { | |
136 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) | |
137 | return SR_ERR; | |
138 | ||
139 | if (dlm_scope_state_query(sdi) != SR_OK) | |
140 | return SR_ERR; | |
141 | ||
142 | sdi->status = SR_ST_ACTIVE; | |
143 | ||
144 | return SR_OK; | |
145 | } | |
146 | ||
147 | static int dev_close(struct sr_dev_inst *sdi) | |
148 | { | |
149 | if (sdi->status == SR_ST_INACTIVE) | |
150 | return SR_OK; | |
151 | ||
152 | sr_scpi_close(sdi->conn); | |
153 | ||
154 | sdi->status = SR_ST_INACTIVE; | |
155 | ||
156 | return SR_OK; | |
157 | } | |
158 | ||
159 | static int cleanup(const struct sr_dev_driver *di) | |
160 | { | |
161 | dev_clear(di); | |
162 | ||
163 | return SR_OK; | |
164 | } | |
165 | ||
166 | /** | |
167 | * Check which category a given channel group belongs to. | |
168 | * | |
169 | * @param devc Our internal device context. | |
170 | * @param cg The channel group to check. | |
171 | * | |
172 | * @retval CG_NONE cg is NULL | |
173 | * @retval CG_ANALOG cg is an analog group | |
174 | * @retval CG_DIGITAL cg is a digital group | |
175 | * @retval CG_INVALID cg is something else | |
176 | */ | |
177 | static int check_channel_group(struct dev_context *devc, | |
178 | const struct sr_channel_group *cg) | |
179 | { | |
180 | unsigned int i; | |
181 | struct scope_config *model; | |
182 | ||
183 | model = devc->model_config; | |
184 | ||
185 | if (!cg) | |
186 | return CG_NONE; | |
187 | ||
188 | for (i = 0; i < model->analog_channels; ++i) | |
189 | if (cg == devc->analog_groups[i]) | |
190 | return CG_ANALOG; | |
191 | ||
192 | for (i = 0; i < model->pods; ++i) | |
193 | if (cg == devc->digital_groups[i]) | |
194 | return CG_DIGITAL; | |
195 | ||
196 | sr_err("Invalid channel group specified."); | |
197 | return CG_INVALID; | |
198 | } | |
199 | ||
200 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
201 | const struct sr_channel_group *cg) | |
202 | { | |
203 | int ret, cg_type; | |
204 | unsigned int i; | |
205 | struct dev_context *devc; | |
206 | struct scope_config *model; | |
207 | struct scope_state *state; | |
208 | ||
209 | if (!sdi || !(devc = sdi->priv)) | |
210 | return SR_ERR_ARG; | |
211 | ||
212 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
213 | return SR_ERR; | |
214 | ||
215 | ret = SR_ERR_NA; | |
216 | model = devc->model_config; | |
217 | state = devc->model_state; | |
218 | ||
219 | switch (key) { | |
220 | case SR_CONF_NUM_HDIV: | |
221 | *data = g_variant_new_int32(model->num_xdivs); | |
222 | ret = SR_OK; | |
223 | break; | |
224 | case SR_CONF_TIMEBASE: | |
225 | *data = g_variant_new("(tt)", | |
226 | (*model->timebases)[state->timebase][0], | |
227 | (*model->timebases)[state->timebase][1]); | |
228 | ret = SR_OK; | |
229 | break; | |
230 | case SR_CONF_NUM_VDIV: | |
231 | if (cg_type == CG_NONE) { | |
232 | sr_err("No channel group specified."); | |
233 | return SR_ERR_CHANNEL_GROUP; | |
234 | } else if (cg_type == CG_ANALOG) { | |
235 | *data = g_variant_new_int32(model->num_ydivs); | |
236 | ret = SR_OK; | |
237 | break; | |
238 | } else { | |
239 | ret = SR_ERR_NA; | |
240 | } | |
241 | break; | |
242 | case SR_CONF_VDIV: | |
243 | ret = SR_ERR_NA; | |
244 | if (cg_type == CG_NONE) { | |
245 | sr_err("No channel group specified."); | |
246 | return SR_ERR_CHANNEL_GROUP; | |
247 | } else if (cg_type != CG_ANALOG) | |
248 | break; | |
249 | ||
250 | for (i = 0; i < model->analog_channels; ++i) { | |
251 | if (cg != devc->analog_groups[i]) | |
252 | continue; | |
253 | *data = g_variant_new("(tt)", | |
254 | (*model->vdivs)[state->analog_states[i].vdiv][0], | |
255 | (*model->vdivs)[state->analog_states[i].vdiv][1]); | |
256 | ret = SR_OK; | |
257 | break; | |
258 | } | |
259 | break; | |
260 | case SR_CONF_TRIGGER_SOURCE: | |
261 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
262 | ret = SR_OK; | |
263 | break; | |
264 | case SR_CONF_TRIGGER_SLOPE: | |
265 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
266 | ret = SR_OK; | |
267 | break; | |
268 | case SR_CONF_HORIZ_TRIGGERPOS: | |
269 | *data = g_variant_new_double(state->horiz_triggerpos); | |
270 | ret = SR_OK; | |
271 | break; | |
272 | case SR_CONF_COUPLING: | |
273 | ret = SR_ERR_NA; | |
274 | if (cg_type == CG_NONE) { | |
275 | sr_err("No channel group specified."); | |
276 | return SR_ERR_CHANNEL_GROUP; | |
277 | } else if (cg_type != CG_ANALOG) | |
278 | break; | |
279 | ||
280 | for (i = 0; i < model->analog_channels; ++i) { | |
281 | if (cg != devc->analog_groups[i]) | |
282 | continue; | |
283 | *data = g_variant_new_string((*model->coupling_options)[state->analog_states[i].coupling]); | |
284 | ret = SR_OK; | |
285 | break; | |
286 | } | |
287 | break; | |
288 | case SR_CONF_SAMPLERATE: | |
289 | *data = g_variant_new_uint64(state->sample_rate); | |
290 | ret = SR_OK; | |
291 | break; | |
292 | default: | |
293 | ret = SR_ERR_NA; | |
294 | } | |
295 | ||
296 | return ret; | |
297 | } | |
298 | ||
299 | static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n) | |
300 | { | |
301 | unsigned int i; | |
302 | GVariant *rational[2]; | |
303 | GVariantBuilder gvb; | |
304 | ||
305 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
306 | ||
307 | for (i = 0; i < n; i++) { | |
308 | rational[0] = g_variant_new_uint64((*array)[i][0]); | |
309 | rational[1] = g_variant_new_uint64((*array)[i][1]); | |
310 | ||
311 | /* FIXME: Valgrind reports a memory leak here. */ | |
312 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
313 | } | |
314 | ||
315 | return g_variant_builder_end(&gvb); | |
316 | } | |
317 | ||
318 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
319 | const struct sr_channel_group *cg) | |
320 | { | |
321 | int ret, cg_type; | |
322 | unsigned int i, j; | |
323 | char float_str[30]; | |
324 | struct dev_context *devc; | |
325 | struct scope_config *model; | |
326 | struct scope_state *state; | |
327 | const char *tmp; | |
328 | uint64_t p, q; | |
329 | double tmp_d; | |
330 | gboolean update_sample_rate; | |
331 | ||
332 | if (!sdi || !(devc = sdi->priv)) | |
333 | return SR_ERR_ARG; | |
334 | ||
335 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
336 | return SR_ERR; | |
337 | ||
338 | model = devc->model_config; | |
339 | state = devc->model_state; | |
340 | update_sample_rate = FALSE; | |
341 | ||
342 | ret = SR_ERR_NA; | |
343 | ||
344 | switch (key) { | |
345 | case SR_CONF_LIMIT_FRAMES: | |
346 | devc->frame_limit = g_variant_get_uint64(data); | |
347 | ret = SR_OK; | |
348 | break; | |
349 | case SR_CONF_TRIGGER_SOURCE: | |
350 | tmp = g_variant_get_string(data, NULL); | |
351 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
352 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
353 | continue; | |
354 | state->trigger_source = i; | |
355 | /* TODO: A and B trigger support possible? */ | |
356 | ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]); | |
357 | break; | |
358 | } | |
359 | break; | |
360 | case SR_CONF_VDIV: | |
361 | if (cg_type == CG_NONE) { | |
362 | sr_err("No channel group specified."); | |
363 | return SR_ERR_CHANNEL_GROUP; | |
364 | } | |
365 | ||
366 | g_variant_get(data, "(tt)", &p, &q); | |
367 | ||
368 | for (i = 0; i < model->num_vdivs; i++) { | |
369 | if (p != (*model->vdivs)[i][0] || | |
370 | q != (*model->vdivs)[i][1]) | |
371 | continue; | |
372 | for (j = 1; j <= model->analog_channels; ++j) { | |
373 | if (cg != devc->analog_groups[j - 1]) | |
374 | continue; | |
375 | state->analog_states[j - 1].vdiv = i; | |
376 | g_ascii_formatd(float_str, sizeof(float_str), | |
377 | "%E", (float) p / q); | |
378 | if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK || | |
379 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
380 | return SR_ERR; | |
381 | ||
382 | break; | |
383 | } | |
384 | ||
385 | ret = SR_OK; | |
386 | break; | |
387 | } | |
388 | break; | |
389 | case SR_CONF_TIMEBASE: | |
390 | g_variant_get(data, "(tt)", &p, &q); | |
391 | ||
392 | for (i = 0; i < model->num_timebases; i++) { | |
393 | if (p != (*model->timebases)[i][0] || | |
394 | q != (*model->timebases)[i][1]) | |
395 | continue; | |
396 | state->timebase = i; | |
397 | g_ascii_formatd(float_str, sizeof(float_str), | |
398 | "%E", (float) p / q); | |
399 | ret = dlm_timebase_set(sdi->conn, float_str); | |
400 | update_sample_rate = TRUE; | |
401 | break; | |
402 | } | |
403 | break; | |
404 | case SR_CONF_HORIZ_TRIGGERPOS: | |
405 | tmp_d = g_variant_get_double(data); | |
406 | ||
407 | /* TODO: Check if the calculation makes sense for the DLM. */ | |
408 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
409 | return SR_ERR; | |
410 | ||
411 | state->horiz_triggerpos = tmp_d; | |
412 | tmp_d = -(tmp_d - 0.5) * | |
413 | ((double) (*model->timebases)[state->timebase][0] / | |
414 | (*model->timebases)[state->timebase][1]) | |
415 | * model->num_xdivs; | |
416 | ||
417 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); | |
418 | ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str); | |
419 | break; | |
420 | case SR_CONF_TRIGGER_SLOPE: | |
421 | tmp = g_variant_get_string(data, NULL); | |
422 | ||
423 | if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r')) | |
424 | return SR_ERR_ARG; | |
425 | ||
426 | /* Note: See dlm_trigger_slopes[] in protocol.c. */ | |
427 | state->trigger_slope = (tmp[0] == 'r') ? | |
428 | SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
429 | ||
430 | ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope); | |
431 | break; | |
432 | case SR_CONF_COUPLING: | |
433 | if (cg_type == CG_NONE) { | |
434 | sr_err("No channel group specified."); | |
435 | return SR_ERR_CHANNEL_GROUP; | |
436 | } | |
437 | ||
438 | tmp = g_variant_get_string(data, NULL); | |
439 | ||
440 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
441 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
442 | continue; | |
443 | for (j = 1; j <= model->analog_channels; ++j) { | |
444 | if (cg != devc->analog_groups[j - 1]) | |
445 | continue; | |
446 | state->analog_states[j-1].coupling = i; | |
447 | ||
448 | if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != SR_OK || | |
449 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
450 | return SR_ERR; | |
451 | break; | |
452 | } | |
453 | ||
454 | ret = SR_OK; | |
455 | break; | |
456 | } | |
457 | break; | |
458 | default: | |
459 | ret = SR_ERR_NA; | |
460 | break; | |
461 | } | |
462 | ||
463 | if (ret == SR_OK) | |
464 | ret = sr_scpi_get_opc(sdi->conn); | |
465 | ||
466 | if (ret == SR_OK && update_sample_rate) | |
467 | ret = dlm_sample_rate_query(sdi); | |
468 | ||
469 | return ret; | |
470 | } | |
471 | ||
472 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
473 | const struct sr_channel_group *cg) | |
474 | { | |
475 | int cg_type = CG_NONE; | |
476 | struct dev_context *devc = NULL; | |
477 | struct scope_config *model = NULL; | |
478 | ||
479 | if (sdi && (devc = sdi->priv)) { | |
480 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
481 | return SR_ERR; | |
482 | ||
483 | model = devc->model_config; | |
484 | } | |
485 | ||
486 | switch (key) { | |
487 | case SR_CONF_DEVICE_OPTIONS: | |
488 | if (cg_type == CG_NONE) { | |
489 | if (model) | |
490 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
491 | model->devopts, model->num_devopts, sizeof(uint32_t)); | |
492 | else | |
493 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
494 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
495 | } else if (cg_type == CG_ANALOG) { | |
496 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
497 | model->analog_devopts, model->num_analog_devopts, sizeof(uint32_t)); | |
498 | } else { | |
499 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
500 | NULL, 0, sizeof(uint32_t)); | |
501 | } | |
502 | break; | |
503 | case SR_CONF_COUPLING: | |
504 | if (cg_type == CG_NONE) | |
505 | return SR_ERR_CHANNEL_GROUP; | |
506 | *data = g_variant_new_strv(*model->coupling_options, | |
507 | g_strv_length((char **)*model->coupling_options)); | |
508 | break; | |
509 | case SR_CONF_TRIGGER_SOURCE: | |
510 | if (!model) | |
511 | return SR_ERR_ARG; | |
512 | *data = g_variant_new_strv(*model->trigger_sources, | |
513 | g_strv_length((char **)*model->trigger_sources)); | |
514 | break; | |
515 | case SR_CONF_TRIGGER_SLOPE: | |
516 | if (!model) | |
517 | return SR_ERR_ARG; | |
518 | *data = g_variant_new_strv(*model->trigger_slopes, | |
519 | g_strv_length((char **)*model->trigger_slopes)); | |
520 | break; | |
521 | case SR_CONF_TIMEBASE: | |
522 | if (!model) | |
523 | return SR_ERR_ARG; | |
524 | *data = build_tuples(model->timebases, model->num_timebases); | |
525 | break; | |
526 | case SR_CONF_VDIV: | |
527 | if (cg_type == CG_NONE) | |
528 | return SR_ERR_CHANNEL_GROUP; | |
529 | *data = build_tuples(model->vdivs, model->num_vdivs); | |
530 | break; | |
531 | default: | |
532 | return SR_ERR_NA; | |
533 | } | |
534 | ||
535 | return SR_OK; | |
536 | } | |
537 | ||
538 | static int dlm_check_channels(GSList *channels) | |
539 | { | |
540 | GSList *l; | |
541 | struct sr_channel *ch; | |
542 | gboolean enabled_pod1, enabled_chan4; | |
543 | ||
544 | enabled_pod1 = enabled_chan4 = FALSE; | |
545 | ||
546 | /* Note: On the DLM2000, CH4 and Logic are shared. */ | |
547 | /* TODO Handle non-DLM2000 models. */ | |
548 | for (l = channels; l; l = l->next) { | |
549 | ch = l->data; | |
550 | switch (ch->type) { | |
551 | case SR_CHANNEL_ANALOG: | |
552 | if (ch->index == 3) | |
553 | enabled_chan4 = TRUE; | |
554 | break; | |
555 | case SR_CHANNEL_LOGIC: | |
556 | enabled_pod1 = TRUE; | |
557 | break; | |
558 | default: | |
559 | return SR_ERR; | |
560 | } | |
561 | } | |
562 | ||
563 | if (enabled_pod1 && enabled_chan4) | |
564 | return SR_ERR; | |
565 | ||
566 | return SR_OK; | |
567 | } | |
568 | ||
569 | static int dlm_setup_channels(const struct sr_dev_inst *sdi) | |
570 | { | |
571 | GSList *l; | |
572 | unsigned int i; | |
573 | gboolean *pod_enabled, setup_changed; | |
574 | struct scope_state *state; | |
575 | struct scope_config *model; | |
576 | struct sr_channel *ch; | |
577 | struct dev_context *devc; | |
578 | struct sr_scpi_dev_inst *scpi; | |
579 | ||
580 | devc = sdi->priv; | |
581 | scpi = sdi->conn; | |
582 | state = devc->model_state; | |
583 | model = devc->model_config; | |
584 | setup_changed = FALSE; | |
585 | ||
586 | pod_enabled = g_malloc0(sizeof(gboolean) * model->pods); | |
587 | ||
588 | for (l = sdi->channels; l; l = l->next) { | |
589 | ch = l->data; | |
590 | switch (ch->type) { | |
591 | case SR_CHANNEL_ANALOG: | |
592 | if (ch->enabled == state->analog_states[ch->index].state) | |
593 | break; | |
594 | ||
595 | if (dlm_analog_chan_state_set(scpi, ch->index + 1, | |
596 | ch->enabled) != SR_OK) | |
597 | return SR_ERR; | |
598 | ||
599 | state->analog_states[ch->index].state = ch->enabled; | |
600 | setup_changed = TRUE; | |
601 | break; | |
602 | case SR_CHANNEL_LOGIC: | |
603 | if (ch->enabled) | |
604 | pod_enabled[ch->index / 8] = TRUE; | |
605 | ||
606 | if (ch->enabled == state->digital_states[ch->index]) | |
607 | break; | |
608 | ||
609 | if (dlm_digital_chan_state_set(scpi, ch->index + 1, | |
610 | ch->enabled) != SR_OK) | |
611 | return SR_ERR; | |
612 | ||
613 | state->digital_states[ch->index] = ch->enabled; | |
614 | setup_changed = TRUE; | |
615 | break; | |
616 | default: | |
617 | return SR_ERR; | |
618 | } | |
619 | } | |
620 | ||
621 | for (i = 1; i <= model->pods; ++i) { | |
622 | if (state->pod_states[i - 1] == pod_enabled[i - 1]) | |
623 | continue; | |
624 | ||
625 | if (dlm_digital_pod_state_set(scpi, i, | |
626 | pod_enabled[i - 1]) != SR_OK) | |
627 | return SR_ERR; | |
628 | ||
629 | state->pod_states[i - 1] = pod_enabled[i - 1]; | |
630 | setup_changed = TRUE; | |
631 | } | |
632 | ||
633 | g_free(pod_enabled); | |
634 | ||
635 | if (setup_changed && dlm_sample_rate_query(sdi) != SR_OK) | |
636 | return SR_ERR; | |
637 | ||
638 | return SR_OK; | |
639 | } | |
640 | ||
641 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
642 | { | |
643 | GSList *l; | |
644 | gboolean digital_added; | |
645 | struct sr_channel *ch; | |
646 | struct dev_context *devc; | |
647 | struct sr_scpi_dev_inst *scpi; | |
648 | ||
649 | (void)cb_data; | |
650 | ||
651 | if (sdi->status != SR_ST_ACTIVE) | |
652 | return SR_ERR_DEV_CLOSED; | |
653 | ||
654 | scpi = sdi->conn; | |
655 | devc = sdi->priv; | |
656 | digital_added = FALSE; | |
657 | ||
658 | g_slist_free(devc->enabled_channels); | |
659 | devc->enabled_channels = NULL; | |
660 | ||
661 | for (l = sdi->channels; l; l = l->next) { | |
662 | ch = l->data; | |
663 | if (!ch->enabled) | |
664 | continue; | |
665 | /* Only add a single digital channel. */ | |
666 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added) { | |
667 | devc->enabled_channels = g_slist_append( | |
668 | devc->enabled_channels, ch); | |
669 | if (ch->type == SR_CHANNEL_LOGIC) | |
670 | digital_added = TRUE; | |
671 | } | |
672 | } | |
673 | ||
674 | if (!devc->enabled_channels) | |
675 | return SR_ERR; | |
676 | ||
677 | if (dlm_check_channels(devc->enabled_channels) != SR_OK) { | |
678 | sr_err("Invalid channel configuration specified!"); | |
679 | return SR_ERR_NA; | |
680 | } | |
681 | ||
682 | if (dlm_setup_channels(sdi) != SR_OK) { | |
683 | sr_err("Failed to setup channel configuration!"); | |
684 | return SR_ERR; | |
685 | } | |
686 | ||
687 | /* Request data for the first enabled channel. */ | |
688 | devc->current_channel = devc->enabled_channels; | |
689 | dlm_channel_data_request(sdi); | |
690 | ||
691 | /* Call our callback when data comes in or after 5ms. */ | |
692 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 5, | |
693 | dlm_data_receive, (void *)sdi); | |
694 | ||
695 | return SR_OK; | |
696 | } | |
697 | ||
698 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
699 | { | |
700 | struct dev_context *devc; | |
701 | struct sr_datafeed_packet packet; | |
702 | ||
703 | (void)cb_data; | |
704 | ||
705 | packet.type = SR_DF_END; | |
706 | packet.payload = NULL; | |
707 | sr_session_send(sdi, &packet); | |
708 | ||
709 | if (sdi->status != SR_ST_ACTIVE) | |
710 | return SR_ERR_DEV_CLOSED; | |
711 | ||
712 | devc = sdi->priv; | |
713 | ||
714 | devc->num_frames = 0; | |
715 | g_slist_free(devc->enabled_channels); | |
716 | devc->enabled_channels = NULL; | |
717 | ||
718 | sr_scpi_source_remove(sdi->session, sdi->conn); | |
719 | ||
720 | return SR_OK; | |
721 | } | |
722 | ||
723 | SR_PRIV struct sr_dev_driver yokogawa_dlm_driver_info = { | |
724 | .name = "yokogawa-dlm", | |
725 | .longname = "Yokogawa DL/DLM", | |
726 | .api_version = 1, | |
727 | .init = init, | |
728 | .cleanup = cleanup, | |
729 | .scan = scan, | |
730 | .dev_list = dev_list, | |
731 | .dev_clear = dev_clear, | |
732 | .config_get = config_get, | |
733 | .config_set = config_set, | |
734 | .config_list = config_list, | |
735 | .dev_open = dev_open, | |
736 | .dev_close = dev_close, | |
737 | .dev_acquisition_start = dev_acquisition_start, | |
738 | .dev_acquisition_stop = dev_acquisition_stop, | |
739 | .priv = NULL, | |
740 | }; |