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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 | ||
aed4ad0b | 65 | if (!(sdi = sr_dev_inst_new(SR_ST_ACTIVE, MANUFACTURER_NAME, |
d1314831 | 66 | model_name, hw_info->firmware_version))) |
8ab929d6 SA |
67 | goto fail; |
68 | ||
d1314831 SA |
69 | sdi->serial_num = g_strdup(hw_info->serial_number); |
70 | ||
8ab929d6 SA |
71 | sr_scpi_hw_info_free(hw_info); |
72 | hw_info = NULL; | |
73 | ||
ac10a927 | 74 | devc = g_malloc0(sizeof(struct dev_context)); |
8ab929d6 SA |
75 | |
76 | sdi->driver = di; | |
77 | sdi->priv = devc; | |
78 | sdi->inst_type = SR_INST_SCPI; | |
79 | sdi->conn = scpi; | |
80 | ||
81 | if (dlm_device_init(sdi, model_index) != SR_OK) | |
82 | goto fail; | |
83 | ||
84 | sr_scpi_close(sdi->conn); | |
85 | ||
86 | sdi->status = SR_ST_INACTIVE; | |
87 | return sdi; | |
88 | ||
89 | fail: | |
90 | if (hw_info) | |
91 | sr_scpi_hw_info_free(hw_info); | |
92 | if (sdi) | |
93 | sr_dev_inst_free(sdi); | |
94 | if (devc) | |
95 | g_free(devc); | |
96 | ||
97 | return NULL; | |
98 | } | |
99 | ||
100 | static GSList *scan(GSList *options) | |
101 | { | |
102 | return sr_scpi_scan(di->priv, options, probe_usbtmc_device); | |
103 | } | |
104 | ||
105 | static GSList *dev_list(void) | |
106 | { | |
107 | return ((struct drv_context *)(di->priv))->instances; | |
108 | } | |
109 | ||
110 | static void clear_helper(void *priv) | |
111 | { | |
112 | struct dev_context *devc; | |
113 | ||
114 | devc = priv; | |
115 | ||
116 | dlm_scope_state_destroy(devc->model_state); | |
117 | ||
118 | g_free(devc->analog_groups); | |
119 | g_free(devc->digital_groups); | |
120 | g_free(devc); | |
121 | } | |
122 | ||
123 | static int dev_clear(void) | |
124 | { | |
125 | return std_dev_clear(di, clear_helper); | |
126 | } | |
127 | ||
128 | static int dev_open(struct sr_dev_inst *sdi) | |
129 | { | |
130 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) | |
131 | return SR_ERR; | |
132 | ||
133 | if (dlm_scope_state_query(sdi) != SR_OK) | |
134 | return SR_ERR; | |
135 | ||
136 | sdi->status = SR_ST_ACTIVE; | |
137 | ||
138 | return SR_OK; | |
139 | } | |
140 | ||
141 | static int dev_close(struct sr_dev_inst *sdi) | |
142 | { | |
143 | if (sdi->status == SR_ST_INACTIVE) | |
144 | return SR_OK; | |
145 | ||
146 | sr_scpi_close(sdi->conn); | |
147 | ||
148 | sdi->status = SR_ST_INACTIVE; | |
149 | ||
150 | return SR_OK; | |
151 | } | |
152 | ||
153 | static int cleanup(void) | |
154 | { | |
155 | dev_clear(); | |
156 | ||
157 | return SR_OK; | |
158 | } | |
159 | ||
160 | /** | |
161 | * Check which category a given channel group belongs to. | |
162 | * | |
163 | * @param devc Our internal device context. | |
164 | * @param cg The channel group to check. | |
165 | * | |
166 | * @retval CG_NONE cg is NULL | |
167 | * @retval CG_ANALOG cg is an analog group | |
168 | * @retval CG_DIGITAL cg is a digital group | |
169 | * @retval CG_INVALID cg is something else | |
170 | */ | |
171 | static int check_channel_group(struct dev_context *devc, | |
ac10a927 | 172 | const struct sr_channel_group *cg) |
8ab929d6 SA |
173 | { |
174 | unsigned int i; | |
175 | struct scope_config *model; | |
176 | ||
177 | model = devc->model_config; | |
178 | ||
179 | if (!cg) | |
180 | return CG_NONE; | |
181 | ||
182 | for (i = 0; i < model->analog_channels; ++i) | |
183 | if (cg == devc->analog_groups[i]) | |
184 | return CG_ANALOG; | |
185 | ||
186 | for (i = 0; i < model->pods; ++i) | |
187 | if (cg == devc->digital_groups[i]) | |
188 | return CG_DIGITAL; | |
189 | ||
190 | sr_err("Invalid channel group specified."); | |
191 | return CG_INVALID; | |
192 | } | |
193 | ||
584560f1 | 194 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
ac10a927 | 195 | const struct sr_channel_group *cg) |
8ab929d6 SA |
196 | { |
197 | int ret, cg_type; | |
198 | unsigned int i; | |
199 | struct dev_context *devc; | |
200 | struct scope_config *model; | |
201 | struct scope_state *state; | |
202 | ||
203 | if (!sdi || !(devc = sdi->priv)) | |
204 | return SR_ERR_ARG; | |
205 | ||
206 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
207 | return SR_ERR; | |
208 | ||
209 | ret = SR_ERR_NA; | |
210 | model = devc->model_config; | |
211 | state = devc->model_state; | |
212 | ||
213 | switch (key) { | |
214 | case SR_CONF_NUM_TIMEBASE: | |
215 | *data = g_variant_new_int32(model->num_xdivs); | |
216 | ret = SR_OK; | |
217 | break; | |
218 | case SR_CONF_TIMEBASE: | |
219 | *data = g_variant_new("(tt)", | |
ac10a927 SA |
220 | (*model->timebases)[state->timebase][0], |
221 | (*model->timebases)[state->timebase][1]); | |
8ab929d6 SA |
222 | ret = SR_OK; |
223 | break; | |
224 | case SR_CONF_NUM_VDIV: | |
225 | if (cg_type == CG_NONE) { | |
226 | sr_err("No channel group specified."); | |
227 | return SR_ERR_CHANNEL_GROUP; | |
228 | } else if (cg_type == CG_ANALOG) { | |
229 | *data = g_variant_new_int32(model->num_ydivs); | |
230 | ret = SR_OK; | |
231 | break; | |
232 | } else { | |
233 | ret = SR_ERR_NA; | |
234 | } | |
235 | break; | |
236 | case SR_CONF_VDIV: | |
237 | ret = SR_ERR_NA; | |
238 | if (cg_type == CG_NONE) { | |
239 | sr_err("No channel group specified."); | |
240 | return SR_ERR_CHANNEL_GROUP; | |
241 | } else if (cg_type != CG_ANALOG) | |
242 | break; | |
243 | ||
244 | for (i = 0; i < model->analog_channels; ++i) { | |
245 | if (cg != devc->analog_groups[i]) | |
246 | continue; | |
247 | *data = g_variant_new("(tt)", | |
ac10a927 SA |
248 | (*model->vdivs)[state->analog_states[i].vdiv][0], |
249 | (*model->vdivs)[state->analog_states[i].vdiv][1]); | |
8ab929d6 SA |
250 | ret = SR_OK; |
251 | break; | |
252 | } | |
253 | break; | |
254 | case SR_CONF_TRIGGER_SOURCE: | |
255 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
256 | ret = SR_OK; | |
257 | break; | |
258 | case SR_CONF_TRIGGER_SLOPE: | |
259 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
260 | ret = SR_OK; | |
261 | break; | |
262 | case SR_CONF_HORIZ_TRIGGERPOS: | |
263 | *data = g_variant_new_double(state->horiz_triggerpos); | |
264 | ret = SR_OK; | |
265 | break; | |
266 | case SR_CONF_COUPLING: | |
267 | ret = SR_ERR_NA; | |
268 | if (cg_type == CG_NONE) { | |
269 | sr_err("No channel group specified."); | |
270 | return SR_ERR_CHANNEL_GROUP; | |
271 | } else if (cg_type != CG_ANALOG) | |
272 | break; | |
273 | ||
274 | for (i = 0; i < model->analog_channels; ++i) { | |
275 | if (cg != devc->analog_groups[i]) | |
276 | continue; | |
277 | *data = g_variant_new_string((*model->coupling_options)[state->analog_states[i].coupling]); | |
278 | ret = SR_OK; | |
279 | break; | |
280 | } | |
281 | break; | |
282 | case SR_CONF_SAMPLERATE: | |
283 | *data = g_variant_new_uint64(state->sample_rate); | |
284 | ret = SR_OK; | |
285 | break; | |
286 | default: | |
287 | ret = SR_ERR_NA; | |
288 | } | |
289 | ||
290 | return ret; | |
291 | } | |
292 | ||
293 | static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n) | |
294 | { | |
295 | unsigned int i; | |
296 | GVariant *rational[2]; | |
297 | GVariantBuilder gvb; | |
298 | ||
299 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
300 | ||
301 | for (i = 0; i < n; i++) { | |
302 | rational[0] = g_variant_new_uint64((*array)[i][0]); | |
303 | rational[1] = g_variant_new_uint64((*array)[i][1]); | |
304 | ||
305 | /* FIXME: Valgrind reports a memory leak here. */ | |
306 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
307 | } | |
308 | ||
309 | return g_variant_builder_end(&gvb); | |
310 | } | |
311 | ||
584560f1 | 312 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
ac10a927 | 313 | const struct sr_channel_group *cg) |
8ab929d6 SA |
314 | { |
315 | int ret, cg_type; | |
316 | unsigned int i, j; | |
317 | char float_str[30]; | |
318 | struct dev_context *devc; | |
319 | struct scope_config *model; | |
320 | struct scope_state *state; | |
321 | const char *tmp; | |
322 | uint64_t p, q; | |
323 | double tmp_d; | |
324 | gboolean update_sample_rate; | |
325 | ||
326 | if (!sdi || !(devc = sdi->priv)) | |
327 | return SR_ERR_ARG; | |
328 | ||
329 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
330 | return SR_ERR; | |
331 | ||
332 | model = devc->model_config; | |
333 | state = devc->model_state; | |
334 | update_sample_rate = FALSE; | |
335 | ||
336 | ret = SR_ERR_NA; | |
337 | ||
338 | switch (key) { | |
339 | case SR_CONF_LIMIT_FRAMES: | |
340 | devc->frame_limit = g_variant_get_uint64(data); | |
341 | ret = SR_OK; | |
342 | break; | |
343 | case SR_CONF_TRIGGER_SOURCE: | |
344 | tmp = g_variant_get_string(data, NULL); | |
345 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
346 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
347 | continue; | |
348 | state->trigger_source = i; | |
349 | /* TODO: A and B trigger support possible? */ | |
350 | ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]); | |
351 | break; | |
352 | } | |
353 | break; | |
354 | case SR_CONF_VDIV: | |
355 | if (cg_type == CG_NONE) { | |
356 | sr_err("No channel group specified."); | |
357 | return SR_ERR_CHANNEL_GROUP; | |
358 | } | |
359 | ||
360 | g_variant_get(data, "(tt)", &p, &q); | |
361 | ||
362 | for (i = 0; i < model->num_vdivs; i++) { | |
363 | if (p != (*model->vdivs)[i][0] || | |
ac10a927 | 364 | q != (*model->vdivs)[i][1]) |
8ab929d6 SA |
365 | continue; |
366 | for (j = 1; j <= model->analog_channels; ++j) { | |
367 | if (cg != devc->analog_groups[j - 1]) | |
368 | continue; | |
369 | state->analog_states[j - 1].vdiv = i; | |
370 | g_ascii_formatd(float_str, sizeof(float_str), | |
371 | "%E", (float) p / q); | |
372 | if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK || | |
ac10a927 | 373 | sr_scpi_get_opc(sdi->conn) != SR_OK) |
8ab929d6 SA |
374 | return SR_ERR; |
375 | ||
376 | break; | |
377 | } | |
378 | ||
379 | ret = SR_OK; | |
380 | break; | |
381 | } | |
382 | break; | |
383 | case SR_CONF_TIMEBASE: | |
384 | g_variant_get(data, "(tt)", &p, &q); | |
385 | ||
386 | for (i = 0; i < model->num_timebases; i++) { | |
387 | if (p != (*model->timebases)[i][0] || | |
ac10a927 | 388 | q != (*model->timebases)[i][1]) |
8ab929d6 SA |
389 | continue; |
390 | state->timebase = i; | |
391 | g_ascii_formatd(float_str, sizeof(float_str), | |
392 | "%E", (float) p / q); | |
393 | ret = dlm_timebase_set(sdi->conn, float_str); | |
394 | update_sample_rate = TRUE; | |
395 | break; | |
396 | } | |
397 | break; | |
398 | case SR_CONF_HORIZ_TRIGGERPOS: | |
399 | tmp_d = g_variant_get_double(data); | |
400 | ||
401 | /* TODO: Check if the calculation makes sense for the DLM. */ | |
402 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
403 | return SR_ERR; | |
404 | ||
405 | state->horiz_triggerpos = tmp_d; | |
406 | tmp_d = -(tmp_d - 0.5) * | |
ac10a927 SA |
407 | ((double) (*model->timebases)[state->timebase][0] / |
408 | (*model->timebases)[state->timebase][1]) | |
409 | * model->num_xdivs; | |
8ab929d6 SA |
410 | |
411 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); | |
412 | ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str); | |
413 | break; | |
414 | case SR_CONF_TRIGGER_SLOPE: | |
415 | tmp = g_variant_get_string(data, NULL); | |
416 | ||
417 | if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r')) | |
418 | return SR_ERR_ARG; | |
419 | ||
420 | /* Note: See dlm_trigger_slopes[] in protocol.c. */ | |
421 | state->trigger_slope = (tmp[0] == 'r') ? | |
422 | SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
423 | ||
424 | ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope); | |
425 | break; | |
426 | case SR_CONF_COUPLING: | |
427 | if (cg_type == CG_NONE) { | |
428 | sr_err("No channel group specified."); | |
429 | return SR_ERR_CHANNEL_GROUP; | |
430 | } | |
431 | ||
432 | tmp = g_variant_get_string(data, NULL); | |
433 | ||
434 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
435 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
436 | continue; | |
437 | for (j = 1; j <= model->analog_channels; ++j) { | |
438 | if (cg != devc->analog_groups[j - 1]) | |
439 | continue; | |
440 | state->analog_states[j-1].coupling = i; | |
441 | ||
442 | if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != SR_OK || | |
ac10a927 | 443 | sr_scpi_get_opc(sdi->conn) != SR_OK) |
8ab929d6 SA |
444 | return SR_ERR; |
445 | break; | |
446 | } | |
447 | ||
448 | ret = SR_OK; | |
449 | break; | |
450 | } | |
451 | break; | |
452 | default: | |
453 | ret = SR_ERR_NA; | |
454 | break; | |
455 | } | |
456 | ||
457 | if (ret == SR_OK) | |
458 | ret = sr_scpi_get_opc(sdi->conn); | |
459 | ||
460 | if (ret == SR_OK && update_sample_rate) | |
461 | ret = dlm_sample_rate_query(sdi); | |
462 | ||
463 | return ret; | |
464 | } | |
465 | ||
584560f1 | 466 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
ac10a927 | 467 | const struct sr_channel_group *cg) |
8ab929d6 SA |
468 | { |
469 | int cg_type; | |
470 | struct dev_context *devc; | |
471 | struct scope_config *model; | |
472 | ||
473 | if (!sdi || !(devc = sdi->priv)) | |
474 | return SR_ERR_ARG; | |
475 | ||
476 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
477 | return SR_ERR; | |
478 | ||
479 | model = devc->model_config; | |
480 | ||
481 | switch (key) { | |
8ab929d6 SA |
482 | case SR_CONF_DEVICE_OPTIONS: |
483 | if (cg_type == CG_NONE) { | |
584560f1 | 484 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 485 | model->devopts, model->num_devopts, sizeof(uint32_t)); |
8ab929d6 | 486 | } else if (cg_type == CG_ANALOG) { |
584560f1 | 487 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
af945a66 | 488 | model->analog_devopts, model->num_analog_devopts, sizeof(uint32_t)); |
8ab929d6 | 489 | } else { |
584560f1 BV |
490 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
491 | NULL, 0, sizeof(uint32_t)); | |
8ab929d6 SA |
492 | } |
493 | break; | |
494 | case SR_CONF_COUPLING: | |
495 | if (cg_type == CG_NONE) | |
496 | return SR_ERR_CHANNEL_GROUP; | |
497 | *data = g_variant_new_strv(*model->coupling_options, | |
ac10a927 | 498 | g_strv_length((char **)*model->coupling_options)); |
8ab929d6 SA |
499 | break; |
500 | case SR_CONF_TRIGGER_SOURCE: | |
501 | *data = g_variant_new_strv(*model->trigger_sources, | |
ac10a927 | 502 | g_strv_length((char **)*model->trigger_sources)); |
8ab929d6 SA |
503 | break; |
504 | case SR_CONF_TRIGGER_SLOPE: | |
505 | *data = g_variant_new_strv(*model->trigger_slopes, | |
ac10a927 | 506 | g_strv_length((char **)*model->trigger_slopes)); |
8ab929d6 SA |
507 | break; |
508 | case SR_CONF_TIMEBASE: | |
509 | *data = build_tuples(model->timebases, model->num_timebases); | |
510 | break; | |
511 | case SR_CONF_VDIV: | |
512 | if (cg_type == CG_NONE) | |
513 | return SR_ERR_CHANNEL_GROUP; | |
514 | *data = build_tuples(model->vdivs, model->num_vdivs); | |
515 | break; | |
516 | default: | |
517 | return SR_ERR_NA; | |
518 | } | |
519 | ||
520 | return SR_OK; | |
521 | } | |
522 | ||
523 | static int dlm_check_channels(GSList *channels) | |
524 | { | |
525 | GSList *l; | |
526 | struct sr_channel *ch; | |
527 | gboolean enabled_pod1, enabled_chan4; | |
528 | ||
529 | enabled_pod1 = enabled_chan4 = FALSE; | |
530 | ||
531 | /* Note: On the DLM2000, CH4 and Logic are shared. */ | |
532 | /* TODO Handle non-DLM2000 models. */ | |
533 | for (l = channels; l; l = l->next) { | |
534 | ch = l->data; | |
535 | switch (ch->type) { | |
536 | case SR_CHANNEL_ANALOG: | |
537 | if (ch->index == 3) | |
538 | enabled_chan4 = TRUE; | |
539 | break; | |
540 | case SR_CHANNEL_LOGIC: | |
541 | enabled_pod1 = TRUE; | |
542 | break; | |
543 | default: | |
544 | return SR_ERR; | |
545 | } | |
546 | } | |
547 | ||
548 | if (enabled_pod1 && enabled_chan4) | |
549 | return SR_ERR; | |
550 | ||
551 | return SR_OK; | |
552 | } | |
553 | ||
554 | static int dlm_setup_channels(const struct sr_dev_inst *sdi) | |
555 | { | |
556 | GSList *l; | |
557 | unsigned int i; | |
558 | gboolean *pod_enabled, setup_changed; | |
559 | struct scope_state *state; | |
560 | struct scope_config *model; | |
561 | struct sr_channel *ch; | |
562 | struct dev_context *devc; | |
563 | struct sr_scpi_dev_inst *scpi; | |
564 | ||
565 | devc = sdi->priv; | |
566 | scpi = sdi->conn; | |
567 | state = devc->model_state; | |
568 | model = devc->model_config; | |
569 | setup_changed = FALSE; | |
570 | ||
ac10a927 | 571 | pod_enabled = g_malloc0(sizeof(gboolean) * model->pods); |
8ab929d6 SA |
572 | |
573 | for (l = sdi->channels; l; l = l->next) { | |
574 | ch = l->data; | |
575 | switch (ch->type) { | |
576 | case SR_CHANNEL_ANALOG: | |
577 | if (ch->enabled == state->analog_states[ch->index].state) | |
578 | break; | |
579 | ||
580 | if (dlm_analog_chan_state_set(scpi, ch->index + 1, | |
ac10a927 | 581 | ch->enabled) != SR_OK) |
8ab929d6 SA |
582 | return SR_ERR; |
583 | ||
584 | state->analog_states[ch->index].state = ch->enabled; | |
585 | setup_changed = TRUE; | |
586 | break; | |
587 | case SR_CHANNEL_LOGIC: | |
588 | if (ch->enabled) | |
589 | pod_enabled[ch->index / 8] = TRUE; | |
590 | ||
591 | if (ch->enabled == state->digital_states[ch->index]) | |
592 | break; | |
593 | ||
594 | if (dlm_digital_chan_state_set(scpi, ch->index + 1, | |
ac10a927 | 595 | ch->enabled) != SR_OK) |
8ab929d6 SA |
596 | return SR_ERR; |
597 | ||
598 | state->digital_states[ch->index] = ch->enabled; | |
599 | setup_changed = TRUE; | |
600 | break; | |
601 | default: | |
602 | return SR_ERR; | |
603 | } | |
604 | } | |
605 | ||
606 | for (i = 1; i <= model->pods; ++i) { | |
607 | if (state->pod_states[i - 1] == pod_enabled[i - 1]) | |
608 | continue; | |
609 | ||
610 | if (dlm_digital_pod_state_set(scpi, i, | |
ac10a927 | 611 | pod_enabled[i - 1]) != SR_OK) |
8ab929d6 SA |
612 | return SR_ERR; |
613 | ||
614 | state->pod_states[i - 1] = pod_enabled[i - 1]; | |
615 | setup_changed = TRUE; | |
616 | } | |
617 | ||
618 | g_free(pod_enabled); | |
619 | ||
620 | if (setup_changed && dlm_sample_rate_query(sdi) != SR_OK) | |
621 | return SR_ERR; | |
622 | ||
623 | return SR_OK; | |
624 | } | |
625 | ||
626 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
627 | { | |
628 | GSList *l; | |
629 | gboolean digital_added; | |
630 | struct sr_channel *ch; | |
631 | struct dev_context *devc; | |
632 | struct sr_scpi_dev_inst *scpi; | |
633 | ||
634 | (void)cb_data; | |
635 | ||
ac10a927 SA |
636 | if (sdi->status != SR_ST_ACTIVE) |
637 | return SR_ERR_DEV_CLOSED; | |
8ab929d6 SA |
638 | |
639 | scpi = sdi->conn; | |
640 | devc = sdi->priv; | |
641 | digital_added = FALSE; | |
642 | ||
643 | g_slist_free(devc->enabled_channels); | |
644 | devc->enabled_channels = NULL; | |
645 | ||
646 | for (l = sdi->channels; l; l = l->next) { | |
647 | ch = l->data; | |
648 | if (!ch->enabled) | |
649 | continue; | |
650 | /* Only add a single digital channel. */ | |
651 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added) { | |
652 | devc->enabled_channels = g_slist_append( | |
ac10a927 SA |
653 | devc->enabled_channels, ch); |
654 | if (ch->type == SR_CHANNEL_LOGIC) | |
655 | digital_added = TRUE; | |
8ab929d6 SA |
656 | } |
657 | } | |
658 | ||
659 | if (!devc->enabled_channels) | |
660 | return SR_ERR; | |
661 | ||
662 | if (dlm_check_channels(devc->enabled_channels) != SR_OK) { | |
663 | sr_err("Invalid channel configuration specified!"); | |
664 | return SR_ERR_NA; | |
665 | } | |
666 | ||
667 | if (dlm_setup_channels(sdi) != SR_OK) { | |
668 | sr_err("Failed to setup channel configuration!"); | |
669 | return SR_ERR; | |
670 | } | |
671 | ||
af3487ec SA |
672 | /* Request data for the first enabled channel. */ |
673 | devc->current_channel = devc->enabled_channels; | |
674 | dlm_channel_data_request(sdi); | |
675 | ||
0028d5a1 SA |
676 | /* Call our callback when data comes in or after 5ms. */ |
677 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 5, | |
8ab929d6 SA |
678 | dlm_data_receive, (void *)sdi); |
679 | ||
680 | return SR_OK; | |
681 | } | |
682 | ||
683 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
684 | { | |
685 | struct dev_context *devc; | |
8ab929d6 SA |
686 | struct sr_datafeed_packet packet; |
687 | ||
688 | (void)cb_data; | |
689 | ||
690 | packet.type = SR_DF_END; | |
691 | packet.payload = NULL; | |
692 | sr_session_send(sdi, &packet); | |
693 | ||
694 | if (sdi->status != SR_ST_ACTIVE) | |
695 | return SR_ERR_DEV_CLOSED; | |
696 | ||
697 | devc = sdi->priv; | |
698 | ||
699 | devc->num_frames = 0; | |
700 | g_slist_free(devc->enabled_channels); | |
701 | devc->enabled_channels = NULL; | |
af3487ec SA |
702 | |
703 | sr_scpi_source_remove(sdi->session, sdi->conn); | |
8ab929d6 SA |
704 | |
705 | return SR_OK; | |
706 | } | |
10763937 SA |
707 | |
708 | SR_PRIV struct sr_dev_driver yokogawa_dlm_driver_info = { | |
709 | .name = "yokogawa-dlm", | |
ac10a927 | 710 | .longname = "Yokogawa DL/DLM", |
10763937 | 711 | .api_version = 1, |
8ab929d6 SA |
712 | .init = init, |
713 | .cleanup = cleanup, | |
714 | .scan = scan, | |
715 | .dev_list = dev_list, | |
716 | .dev_clear = dev_clear, | |
717 | .config_get = config_get, | |
718 | .config_set = config_set, | |
719 | .config_list = config_list, | |
720 | .dev_open = dev_open, | |
721 | .dev_close = dev_close, | |
722 | .dev_acquisition_start = dev_acquisition_start, | |
723 | .dev_acquisition_stop = dev_acquisition_stop, | |
10763937 SA |
724 | .priv = NULL, |
725 | }; |