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10763937 SA |
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 | ||
8ab929d6 SA |
24 | SR_PRIV struct sr_dev_driver yokogawa_dlm_driver_info; |
25 | static struct sr_dev_driver *di = &yokogawa_dlm_driver_info; | |
26 | ||
27 | static char *MANUFACTURER_ID = "YOKOGAWA"; | |
28 | static char *MANUFACTURER_NAME = "Yokogawa"; | |
29 | ||
30 | enum { | |
31 | CG_INVALID = -1, | |
32 | CG_NONE, | |
33 | CG_ANALOG, | |
34 | CG_DIGITAL, | |
35 | }; | |
36 | ||
37 | static int init(struct sr_context *sr_ctx) | |
38 | { | |
39 | return std_init(sr_ctx, di, LOG_PREFIX); | |
40 | } | |
41 | ||
42 | static struct sr_dev_inst *probe_usbtmc_device(struct sr_scpi_dev_inst *scpi) | |
43 | { | |
44 | struct sr_dev_inst *sdi; | |
45 | struct dev_context *devc; | |
46 | struct sr_scpi_hw_info *hw_info; | |
47 | char *model_name; | |
48 | int model_index; | |
49 | ||
50 | sdi = NULL; | |
51 | devc = NULL; | |
52 | hw_info = NULL; | |
53 | ||
54 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
55 | sr_info("Couldn't get IDN response."); | |
56 | goto fail; | |
57 | } | |
58 | ||
59 | if (strcmp(hw_info->manufacturer, MANUFACTURER_ID) != 0) | |
60 | goto fail; | |
61 | ||
62 | if (dlm_model_get(hw_info->model, &model_name, &model_index) != SR_OK) | |
63 | goto fail; | |
64 | ||
65 | if (!(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, MANUFACTURER_NAME, | |
ac10a927 | 66 | model_name, NULL))) |
8ab929d6 SA |
67 | goto fail; |
68 | ||
69 | sr_scpi_hw_info_free(hw_info); | |
70 | hw_info = NULL; | |
71 | ||
ac10a927 | 72 | devc = g_malloc0(sizeof(struct dev_context)); |
8ab929d6 SA |
73 | |
74 | sdi->driver = di; | |
75 | sdi->priv = devc; | |
76 | sdi->inst_type = SR_INST_SCPI; | |
77 | sdi->conn = scpi; | |
78 | ||
79 | if (dlm_device_init(sdi, model_index) != SR_OK) | |
80 | goto fail; | |
81 | ||
82 | sr_scpi_close(sdi->conn); | |
83 | ||
84 | sdi->status = SR_ST_INACTIVE; | |
85 | return sdi; | |
86 | ||
87 | fail: | |
88 | if (hw_info) | |
89 | sr_scpi_hw_info_free(hw_info); | |
90 | if (sdi) | |
91 | sr_dev_inst_free(sdi); | |
92 | if (devc) | |
93 | g_free(devc); | |
94 | ||
95 | return NULL; | |
96 | } | |
97 | ||
98 | static GSList *scan(GSList *options) | |
99 | { | |
100 | return sr_scpi_scan(di->priv, options, probe_usbtmc_device); | |
101 | } | |
102 | ||
103 | static GSList *dev_list(void) | |
104 | { | |
105 | return ((struct drv_context *)(di->priv))->instances; | |
106 | } | |
107 | ||
108 | static void clear_helper(void *priv) | |
109 | { | |
110 | struct dev_context *devc; | |
111 | ||
112 | devc = priv; | |
113 | ||
114 | dlm_scope_state_destroy(devc->model_state); | |
115 | ||
116 | g_free(devc->analog_groups); | |
117 | g_free(devc->digital_groups); | |
118 | g_free(devc); | |
119 | } | |
120 | ||
121 | static int dev_clear(void) | |
122 | { | |
123 | return std_dev_clear(di, clear_helper); | |
124 | } | |
125 | ||
126 | static int dev_open(struct sr_dev_inst *sdi) | |
127 | { | |
128 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) | |
129 | return SR_ERR; | |
130 | ||
131 | if (dlm_scope_state_query(sdi) != SR_OK) | |
132 | return SR_ERR; | |
133 | ||
134 | sdi->status = SR_ST_ACTIVE; | |
135 | ||
136 | return SR_OK; | |
137 | } | |
138 | ||
139 | static int dev_close(struct sr_dev_inst *sdi) | |
140 | { | |
141 | if (sdi->status == SR_ST_INACTIVE) | |
142 | return SR_OK; | |
143 | ||
144 | sr_scpi_close(sdi->conn); | |
145 | ||
146 | sdi->status = SR_ST_INACTIVE; | |
147 | ||
148 | return SR_OK; | |
149 | } | |
150 | ||
151 | static int cleanup(void) | |
152 | { | |
153 | dev_clear(); | |
154 | ||
155 | return SR_OK; | |
156 | } | |
157 | ||
158 | /** | |
159 | * Check which category a given channel group belongs to. | |
160 | * | |
161 | * @param devc Our internal device context. | |
162 | * @param cg The channel group to check. | |
163 | * | |
164 | * @retval CG_NONE cg is NULL | |
165 | * @retval CG_ANALOG cg is an analog group | |
166 | * @retval CG_DIGITAL cg is a digital group | |
167 | * @retval CG_INVALID cg is something else | |
168 | */ | |
169 | static int check_channel_group(struct dev_context *devc, | |
ac10a927 | 170 | const struct sr_channel_group *cg) |
8ab929d6 SA |
171 | { |
172 | unsigned int i; | |
173 | struct scope_config *model; | |
174 | ||
175 | model = devc->model_config; | |
176 | ||
177 | if (!cg) | |
178 | return CG_NONE; | |
179 | ||
180 | for (i = 0; i < model->analog_channels; ++i) | |
181 | if (cg == devc->analog_groups[i]) | |
182 | return CG_ANALOG; | |
183 | ||
184 | for (i = 0; i < model->pods; ++i) | |
185 | if (cg == devc->digital_groups[i]) | |
186 | return CG_DIGITAL; | |
187 | ||
188 | sr_err("Invalid channel group specified."); | |
189 | return CG_INVALID; | |
190 | } | |
191 | ||
192 | static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
ac10a927 | 193 | const struct sr_channel_group *cg) |
8ab929d6 SA |
194 | { |
195 | int ret, cg_type; | |
196 | unsigned int i; | |
197 | struct dev_context *devc; | |
198 | struct scope_config *model; | |
199 | struct scope_state *state; | |
200 | ||
201 | if (!sdi || !(devc = sdi->priv)) | |
202 | return SR_ERR_ARG; | |
203 | ||
204 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
205 | return SR_ERR; | |
206 | ||
207 | ret = SR_ERR_NA; | |
208 | model = devc->model_config; | |
209 | state = devc->model_state; | |
210 | ||
211 | switch (key) { | |
212 | case SR_CONF_NUM_TIMEBASE: | |
213 | *data = g_variant_new_int32(model->num_xdivs); | |
214 | ret = SR_OK; | |
215 | break; | |
216 | case SR_CONF_TIMEBASE: | |
217 | *data = g_variant_new("(tt)", | |
ac10a927 SA |
218 | (*model->timebases)[state->timebase][0], |
219 | (*model->timebases)[state->timebase][1]); | |
8ab929d6 SA |
220 | ret = SR_OK; |
221 | break; | |
222 | case SR_CONF_NUM_VDIV: | |
223 | if (cg_type == CG_NONE) { | |
224 | sr_err("No channel group specified."); | |
225 | return SR_ERR_CHANNEL_GROUP; | |
226 | } else if (cg_type == CG_ANALOG) { | |
227 | *data = g_variant_new_int32(model->num_ydivs); | |
228 | ret = SR_OK; | |
229 | break; | |
230 | } else { | |
231 | ret = SR_ERR_NA; | |
232 | } | |
233 | break; | |
234 | case SR_CONF_VDIV: | |
235 | ret = SR_ERR_NA; | |
236 | if (cg_type == CG_NONE) { | |
237 | sr_err("No channel group specified."); | |
238 | return SR_ERR_CHANNEL_GROUP; | |
239 | } else if (cg_type != CG_ANALOG) | |
240 | break; | |
241 | ||
242 | for (i = 0; i < model->analog_channels; ++i) { | |
243 | if (cg != devc->analog_groups[i]) | |
244 | continue; | |
245 | *data = g_variant_new("(tt)", | |
ac10a927 SA |
246 | (*model->vdivs)[state->analog_states[i].vdiv][0], |
247 | (*model->vdivs)[state->analog_states[i].vdiv][1]); | |
8ab929d6 SA |
248 | ret = SR_OK; |
249 | break; | |
250 | } | |
251 | break; | |
252 | case SR_CONF_TRIGGER_SOURCE: | |
253 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
254 | ret = SR_OK; | |
255 | break; | |
256 | case SR_CONF_TRIGGER_SLOPE: | |
257 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
258 | ret = SR_OK; | |
259 | break; | |
260 | case SR_CONF_HORIZ_TRIGGERPOS: | |
261 | *data = g_variant_new_double(state->horiz_triggerpos); | |
262 | ret = SR_OK; | |
263 | break; | |
264 | case SR_CONF_COUPLING: | |
265 | ret = SR_ERR_NA; | |
266 | if (cg_type == CG_NONE) { | |
267 | sr_err("No channel group specified."); | |
268 | return SR_ERR_CHANNEL_GROUP; | |
269 | } else if (cg_type != CG_ANALOG) | |
270 | break; | |
271 | ||
272 | for (i = 0; i < model->analog_channels; ++i) { | |
273 | if (cg != devc->analog_groups[i]) | |
274 | continue; | |
275 | *data = g_variant_new_string((*model->coupling_options)[state->analog_states[i].coupling]); | |
276 | ret = SR_OK; | |
277 | break; | |
278 | } | |
279 | break; | |
280 | case SR_CONF_SAMPLERATE: | |
281 | *data = g_variant_new_uint64(state->sample_rate); | |
282 | ret = SR_OK; | |
283 | break; | |
284 | default: | |
285 | ret = SR_ERR_NA; | |
286 | } | |
287 | ||
288 | return ret; | |
289 | } | |
290 | ||
291 | static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n) | |
292 | { | |
293 | unsigned int i; | |
294 | GVariant *rational[2]; | |
295 | GVariantBuilder gvb; | |
296 | ||
297 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
298 | ||
299 | for (i = 0; i < n; i++) { | |
300 | rational[0] = g_variant_new_uint64((*array)[i][0]); | |
301 | rational[1] = g_variant_new_uint64((*array)[i][1]); | |
302 | ||
303 | /* FIXME: Valgrind reports a memory leak here. */ | |
304 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
305 | } | |
306 | ||
307 | return g_variant_builder_end(&gvb); | |
308 | } | |
309 | ||
310 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, | |
ac10a927 | 311 | const struct sr_channel_group *cg) |
8ab929d6 SA |
312 | { |
313 | int ret, cg_type; | |
314 | unsigned int i, j; | |
315 | char float_str[30]; | |
316 | struct dev_context *devc; | |
317 | struct scope_config *model; | |
318 | struct scope_state *state; | |
319 | const char *tmp; | |
320 | uint64_t p, q; | |
321 | double tmp_d; | |
322 | gboolean update_sample_rate; | |
323 | ||
324 | if (!sdi || !(devc = sdi->priv)) | |
325 | return SR_ERR_ARG; | |
326 | ||
327 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
328 | return SR_ERR; | |
329 | ||
330 | model = devc->model_config; | |
331 | state = devc->model_state; | |
332 | update_sample_rate = FALSE; | |
333 | ||
334 | ret = SR_ERR_NA; | |
335 | ||
336 | switch (key) { | |
337 | case SR_CONF_LIMIT_FRAMES: | |
338 | devc->frame_limit = g_variant_get_uint64(data); | |
339 | ret = SR_OK; | |
340 | break; | |
341 | case SR_CONF_TRIGGER_SOURCE: | |
342 | tmp = g_variant_get_string(data, NULL); | |
343 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
344 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
345 | continue; | |
346 | state->trigger_source = i; | |
347 | /* TODO: A and B trigger support possible? */ | |
348 | ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]); | |
349 | break; | |
350 | } | |
351 | break; | |
352 | case SR_CONF_VDIV: | |
353 | if (cg_type == CG_NONE) { | |
354 | sr_err("No channel group specified."); | |
355 | return SR_ERR_CHANNEL_GROUP; | |
356 | } | |
357 | ||
358 | g_variant_get(data, "(tt)", &p, &q); | |
359 | ||
360 | for (i = 0; i < model->num_vdivs; i++) { | |
361 | if (p != (*model->vdivs)[i][0] || | |
ac10a927 | 362 | q != (*model->vdivs)[i][1]) |
8ab929d6 SA |
363 | continue; |
364 | for (j = 1; j <= model->analog_channels; ++j) { | |
365 | if (cg != devc->analog_groups[j - 1]) | |
366 | continue; | |
367 | state->analog_states[j - 1].vdiv = i; | |
368 | g_ascii_formatd(float_str, sizeof(float_str), | |
369 | "%E", (float) p / q); | |
370 | if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK || | |
ac10a927 | 371 | sr_scpi_get_opc(sdi->conn) != SR_OK) |
8ab929d6 SA |
372 | return SR_ERR; |
373 | ||
374 | break; | |
375 | } | |
376 | ||
377 | ret = SR_OK; | |
378 | break; | |
379 | } | |
380 | break; | |
381 | case SR_CONF_TIMEBASE: | |
382 | g_variant_get(data, "(tt)", &p, &q); | |
383 | ||
384 | for (i = 0; i < model->num_timebases; i++) { | |
385 | if (p != (*model->timebases)[i][0] || | |
ac10a927 | 386 | q != (*model->timebases)[i][1]) |
8ab929d6 SA |
387 | continue; |
388 | state->timebase = i; | |
389 | g_ascii_formatd(float_str, sizeof(float_str), | |
390 | "%E", (float) p / q); | |
391 | ret = dlm_timebase_set(sdi->conn, float_str); | |
392 | update_sample_rate = TRUE; | |
393 | break; | |
394 | } | |
395 | break; | |
396 | case SR_CONF_HORIZ_TRIGGERPOS: | |
397 | tmp_d = g_variant_get_double(data); | |
398 | ||
399 | /* TODO: Check if the calculation makes sense for the DLM. */ | |
400 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
401 | return SR_ERR; | |
402 | ||
403 | state->horiz_triggerpos = tmp_d; | |
404 | tmp_d = -(tmp_d - 0.5) * | |
ac10a927 SA |
405 | ((double) (*model->timebases)[state->timebase][0] / |
406 | (*model->timebases)[state->timebase][1]) | |
407 | * model->num_xdivs; | |
8ab929d6 SA |
408 | |
409 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); | |
410 | ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str); | |
411 | break; | |
412 | case SR_CONF_TRIGGER_SLOPE: | |
413 | tmp = g_variant_get_string(data, NULL); | |
414 | ||
415 | if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r')) | |
416 | return SR_ERR_ARG; | |
417 | ||
418 | /* Note: See dlm_trigger_slopes[] in protocol.c. */ | |
419 | state->trigger_slope = (tmp[0] == 'r') ? | |
420 | SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
421 | ||
422 | ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope); | |
423 | break; | |
424 | case SR_CONF_COUPLING: | |
425 | if (cg_type == CG_NONE) { | |
426 | sr_err("No channel group specified."); | |
427 | return SR_ERR_CHANNEL_GROUP; | |
428 | } | |
429 | ||
430 | tmp = g_variant_get_string(data, NULL); | |
431 | ||
432 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
433 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
434 | continue; | |
435 | for (j = 1; j <= model->analog_channels; ++j) { | |
436 | if (cg != devc->analog_groups[j - 1]) | |
437 | continue; | |
438 | state->analog_states[j-1].coupling = i; | |
439 | ||
440 | if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != SR_OK || | |
ac10a927 | 441 | sr_scpi_get_opc(sdi->conn) != SR_OK) |
8ab929d6 SA |
442 | return SR_ERR; |
443 | break; | |
444 | } | |
445 | ||
446 | ret = SR_OK; | |
447 | break; | |
448 | } | |
449 | break; | |
450 | default: | |
451 | ret = SR_ERR_NA; | |
452 | break; | |
453 | } | |
454 | ||
455 | if (ret == SR_OK) | |
456 | ret = sr_scpi_get_opc(sdi->conn); | |
457 | ||
458 | if (ret == SR_OK && update_sample_rate) | |
459 | ret = dlm_sample_rate_query(sdi); | |
460 | ||
461 | return ret; | |
462 | } | |
463 | ||
464 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
ac10a927 | 465 | const struct sr_channel_group *cg) |
8ab929d6 SA |
466 | { |
467 | int cg_type; | |
468 | struct dev_context *devc; | |
469 | struct scope_config *model; | |
470 | ||
471 | if (!sdi || !(devc = sdi->priv)) | |
472 | return SR_ERR_ARG; | |
473 | ||
474 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
475 | return SR_ERR; | |
476 | ||
477 | model = devc->model_config; | |
478 | ||
479 | switch (key) { | |
480 | case SR_CONF_SCAN_OPTIONS: | |
481 | *data = NULL; | |
482 | break; | |
483 | case SR_CONF_DEVICE_OPTIONS: | |
484 | if (cg_type == CG_NONE) { | |
485 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
486 | model->hw_caps, model->num_hwcaps, sizeof(int32_t)); | |
487 | } else if (cg_type == CG_ANALOG) { | |
488 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
489 | model->analog_hwcaps, model->num_analog_hwcaps, sizeof(int32_t)); | |
490 | } else { | |
491 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
492 | NULL, 0, sizeof(int32_t)); | |
493 | } | |
494 | break; | |
495 | case SR_CONF_COUPLING: | |
496 | if (cg_type == CG_NONE) | |
497 | return SR_ERR_CHANNEL_GROUP; | |
498 | *data = g_variant_new_strv(*model->coupling_options, | |
ac10a927 | 499 | g_strv_length((char **)*model->coupling_options)); |
8ab929d6 SA |
500 | break; |
501 | case SR_CONF_TRIGGER_SOURCE: | |
502 | *data = g_variant_new_strv(*model->trigger_sources, | |
ac10a927 | 503 | g_strv_length((char **)*model->trigger_sources)); |
8ab929d6 SA |
504 | break; |
505 | case SR_CONF_TRIGGER_SLOPE: | |
506 | *data = g_variant_new_strv(*model->trigger_slopes, | |
ac10a927 | 507 | g_strv_length((char **)*model->trigger_slopes)); |
8ab929d6 SA |
508 | break; |
509 | case SR_CONF_TIMEBASE: | |
510 | *data = build_tuples(model->timebases, model->num_timebases); | |
511 | break; | |
512 | case SR_CONF_VDIV: | |
513 | if (cg_type == CG_NONE) | |
514 | return SR_ERR_CHANNEL_GROUP; | |
515 | *data = build_tuples(model->vdivs, model->num_vdivs); | |
516 | break; | |
517 | default: | |
518 | return SR_ERR_NA; | |
519 | } | |
520 | ||
521 | return SR_OK; | |
522 | } | |
523 | ||
524 | static int dlm_check_channels(GSList *channels) | |
525 | { | |
526 | GSList *l; | |
527 | struct sr_channel *ch; | |
528 | gboolean enabled_pod1, enabled_chan4; | |
529 | ||
530 | enabled_pod1 = enabled_chan4 = FALSE; | |
531 | ||
532 | /* Note: On the DLM2000, CH4 and Logic are shared. */ | |
533 | /* TODO Handle non-DLM2000 models. */ | |
534 | for (l = channels; l; l = l->next) { | |
535 | ch = l->data; | |
536 | switch (ch->type) { | |
537 | case SR_CHANNEL_ANALOG: | |
538 | if (ch->index == 3) | |
539 | enabled_chan4 = TRUE; | |
540 | break; | |
541 | case SR_CHANNEL_LOGIC: | |
542 | enabled_pod1 = TRUE; | |
543 | break; | |
544 | default: | |
545 | return SR_ERR; | |
546 | } | |
547 | } | |
548 | ||
549 | if (enabled_pod1 && enabled_chan4) | |
550 | return SR_ERR; | |
551 | ||
552 | return SR_OK; | |
553 | } | |
554 | ||
555 | static int dlm_setup_channels(const struct sr_dev_inst *sdi) | |
556 | { | |
557 | GSList *l; | |
558 | unsigned int i; | |
559 | gboolean *pod_enabled, setup_changed; | |
560 | struct scope_state *state; | |
561 | struct scope_config *model; | |
562 | struct sr_channel *ch; | |
563 | struct dev_context *devc; | |
564 | struct sr_scpi_dev_inst *scpi; | |
565 | ||
566 | devc = sdi->priv; | |
567 | scpi = sdi->conn; | |
568 | state = devc->model_state; | |
569 | model = devc->model_config; | |
570 | setup_changed = FALSE; | |
571 | ||
ac10a927 | 572 | pod_enabled = g_malloc0(sizeof(gboolean) * model->pods); |
8ab929d6 SA |
573 | |
574 | for (l = sdi->channels; l; l = l->next) { | |
575 | ch = l->data; | |
576 | switch (ch->type) { | |
577 | case SR_CHANNEL_ANALOG: | |
578 | if (ch->enabled == state->analog_states[ch->index].state) | |
579 | break; | |
580 | ||
581 | if (dlm_analog_chan_state_set(scpi, ch->index + 1, | |
ac10a927 | 582 | ch->enabled) != SR_OK) |
8ab929d6 SA |
583 | return SR_ERR; |
584 | ||
585 | state->analog_states[ch->index].state = ch->enabled; | |
586 | setup_changed = TRUE; | |
587 | break; | |
588 | case SR_CHANNEL_LOGIC: | |
589 | if (ch->enabled) | |
590 | pod_enabled[ch->index / 8] = TRUE; | |
591 | ||
592 | if (ch->enabled == state->digital_states[ch->index]) | |
593 | break; | |
594 | ||
595 | if (dlm_digital_chan_state_set(scpi, ch->index + 1, | |
ac10a927 | 596 | ch->enabled) != SR_OK) |
8ab929d6 SA |
597 | return SR_ERR; |
598 | ||
599 | state->digital_states[ch->index] = ch->enabled; | |
600 | setup_changed = TRUE; | |
601 | break; | |
602 | default: | |
603 | return SR_ERR; | |
604 | } | |
605 | } | |
606 | ||
607 | for (i = 1; i <= model->pods; ++i) { | |
608 | if (state->pod_states[i - 1] == pod_enabled[i - 1]) | |
609 | continue; | |
610 | ||
611 | if (dlm_digital_pod_state_set(scpi, i, | |
ac10a927 | 612 | pod_enabled[i - 1]) != SR_OK) |
8ab929d6 SA |
613 | return SR_ERR; |
614 | ||
615 | state->pod_states[i - 1] = pod_enabled[i - 1]; | |
616 | setup_changed = TRUE; | |
617 | } | |
618 | ||
619 | g_free(pod_enabled); | |
620 | ||
621 | if (setup_changed && dlm_sample_rate_query(sdi) != SR_OK) | |
622 | return SR_ERR; | |
623 | ||
624 | return SR_OK; | |
625 | } | |
626 | ||
627 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
628 | { | |
629 | GSList *l; | |
630 | gboolean digital_added; | |
631 | struct sr_channel *ch; | |
632 | struct dev_context *devc; | |
633 | struct sr_scpi_dev_inst *scpi; | |
634 | ||
635 | (void)cb_data; | |
636 | ||
ac10a927 SA |
637 | if (sdi->status != SR_ST_ACTIVE) |
638 | return SR_ERR_DEV_CLOSED; | |
8ab929d6 SA |
639 | |
640 | scpi = sdi->conn; | |
641 | devc = sdi->priv; | |
642 | digital_added = FALSE; | |
643 | ||
644 | g_slist_free(devc->enabled_channels); | |
645 | devc->enabled_channels = NULL; | |
646 | ||
647 | for (l = sdi->channels; l; l = l->next) { | |
648 | ch = l->data; | |
649 | if (!ch->enabled) | |
650 | continue; | |
651 | /* Only add a single digital channel. */ | |
652 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added) { | |
653 | devc->enabled_channels = g_slist_append( | |
ac10a927 SA |
654 | devc->enabled_channels, ch); |
655 | if (ch->type == SR_CHANNEL_LOGIC) | |
656 | digital_added = TRUE; | |
8ab929d6 SA |
657 | } |
658 | } | |
659 | ||
660 | if (!devc->enabled_channels) | |
661 | return SR_ERR; | |
662 | ||
663 | if (dlm_check_channels(devc->enabled_channels) != SR_OK) { | |
664 | sr_err("Invalid channel configuration specified!"); | |
665 | return SR_ERR_NA; | |
666 | } | |
667 | ||
668 | if (dlm_setup_channels(sdi) != SR_OK) { | |
669 | sr_err("Failed to setup channel configuration!"); | |
670 | return SR_ERR; | |
671 | } | |
672 | ||
af3487ec SA |
673 | /* Request data for the first enabled channel. */ |
674 | devc->current_channel = devc->enabled_channels; | |
675 | dlm_channel_data_request(sdi); | |
676 | ||
0028d5a1 SA |
677 | /* Call our callback when data comes in or after 5ms. */ |
678 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 5, | |
8ab929d6 SA |
679 | dlm_data_receive, (void *)sdi); |
680 | ||
681 | return SR_OK; | |
682 | } | |
683 | ||
684 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
685 | { | |
686 | struct dev_context *devc; | |
8ab929d6 SA |
687 | struct sr_datafeed_packet packet; |
688 | ||
689 | (void)cb_data; | |
690 | ||
691 | packet.type = SR_DF_END; | |
692 | packet.payload = NULL; | |
693 | sr_session_send(sdi, &packet); | |
694 | ||
695 | if (sdi->status != SR_ST_ACTIVE) | |
696 | return SR_ERR_DEV_CLOSED; | |
697 | ||
698 | devc = sdi->priv; | |
699 | ||
700 | devc->num_frames = 0; | |
701 | g_slist_free(devc->enabled_channels); | |
702 | devc->enabled_channels = NULL; | |
af3487ec SA |
703 | |
704 | sr_scpi_source_remove(sdi->session, sdi->conn); | |
8ab929d6 SA |
705 | |
706 | return SR_OK; | |
707 | } | |
10763937 SA |
708 | |
709 | SR_PRIV struct sr_dev_driver yokogawa_dlm_driver_info = { | |
710 | .name = "yokogawa-dlm", | |
ac10a927 | 711 | .longname = "Yokogawa DL/DLM", |
10763937 | 712 | .api_version = 1, |
8ab929d6 SA |
713 | .init = init, |
714 | .cleanup = cleanup, | |
715 | .scan = scan, | |
716 | .dev_list = dev_list, | |
717 | .dev_clear = dev_clear, | |
718 | .config_get = config_get, | |
719 | .config_set = config_set, | |
720 | .config_list = config_list, | |
721 | .dev_open = dev_open, | |
722 | .dev_close = dev_close, | |
723 | .dev_acquisition_start = dev_acquisition_start, | |
724 | .dev_acquisition_stop = dev_acquisition_stop, | |
10763937 SA |
725 | .priv = NULL, |
726 | }; |