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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 <config.h> | |
22 | #include <stdlib.h> | |
23 | #include "scpi.h" | |
24 | #include "protocol.h" | |
25 | ||
26 | static struct sr_dev_driver yokogawa_dlm_driver_info; | |
27 | ||
28 | static const char *MANUFACTURER_ID = "YOKOGAWA"; | |
29 | static const char *MANUFACTURER_NAME = "Yokogawa"; | |
30 | ||
31 | static const uint32_t dlm_scanopts[] = { | |
32 | SR_CONF_CONN, | |
33 | }; | |
34 | ||
35 | static const uint32_t dlm_drvopts[] = { | |
36 | SR_CONF_LOGIC_ANALYZER, | |
37 | SR_CONF_OSCILLOSCOPE, | |
38 | }; | |
39 | ||
40 | static const uint32_t dlm_devopts[] = { | |
41 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET, | |
42 | SR_CONF_SAMPLERATE | SR_CONF_GET, | |
43 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
44 | SR_CONF_NUM_HDIV | SR_CONF_GET, | |
45 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, | |
46 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
47 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
48 | }; | |
49 | ||
50 | static const uint32_t dlm_analog_devopts[] = { | |
51 | SR_CONF_NUM_VDIV | SR_CONF_GET, | |
52 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
53 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
54 | }; | |
55 | ||
56 | static const uint32_t dlm_digital_devopts[] = { | |
57 | }; | |
58 | ||
59 | enum { | |
60 | CG_INVALID = -1, | |
61 | CG_NONE, | |
62 | CG_ANALOG, | |
63 | CG_DIGITAL, | |
64 | }; | |
65 | ||
66 | static struct sr_dev_inst *probe_usbtmc_device(struct sr_scpi_dev_inst *scpi) | |
67 | { | |
68 | struct sr_dev_inst *sdi; | |
69 | struct dev_context *devc; | |
70 | struct sr_scpi_hw_info *hw_info; | |
71 | char *model_name; | |
72 | int model_index; | |
73 | ||
74 | sdi = NULL; | |
75 | devc = NULL; | |
76 | hw_info = NULL; | |
77 | ||
78 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
79 | sr_info("Couldn't get IDN response."); | |
80 | goto fail; | |
81 | } | |
82 | ||
83 | if (strcmp(hw_info->manufacturer, MANUFACTURER_ID) != 0) | |
84 | goto fail; | |
85 | ||
86 | if (dlm_model_get(hw_info->model, &model_name, &model_index) != SR_OK) | |
87 | goto fail; | |
88 | ||
89 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
90 | sdi->vendor = g_strdup(MANUFACTURER_NAME); | |
91 | sdi->model = g_strdup(model_name); | |
92 | sdi->version = g_strdup(hw_info->firmware_version); | |
93 | ||
94 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
95 | ||
96 | sr_scpi_hw_info_free(hw_info); | |
97 | hw_info = NULL; | |
98 | ||
99 | devc = g_malloc0(sizeof(struct dev_context)); | |
100 | ||
101 | sdi->driver = &yokogawa_dlm_driver_info; | |
102 | sdi->priv = devc; | |
103 | sdi->inst_type = SR_INST_SCPI; | |
104 | sdi->conn = scpi; | |
105 | ||
106 | if (dlm_device_init(sdi, model_index) != SR_OK) | |
107 | goto fail; | |
108 | ||
109 | return sdi; | |
110 | ||
111 | fail: | |
112 | sr_scpi_hw_info_free(hw_info); | |
113 | sr_dev_inst_free(sdi); | |
114 | g_free(devc); | |
115 | ||
116 | return NULL; | |
117 | } | |
118 | ||
119 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
120 | { | |
121 | return sr_scpi_scan(di->context, options, probe_usbtmc_device); | |
122 | } | |
123 | ||
124 | static void clear_helper(void *priv) | |
125 | { | |
126 | struct dev_context *devc; | |
127 | ||
128 | devc = priv; | |
129 | ||
130 | dlm_scope_state_destroy(devc->model_state); | |
131 | ||
132 | g_free(devc->analog_groups); | |
133 | g_free(devc->digital_groups); | |
134 | g_free(devc); | |
135 | } | |
136 | ||
137 | static int dev_clear(const struct sr_dev_driver *di) | |
138 | { | |
139 | return std_dev_clear(di, clear_helper); | |
140 | } | |
141 | ||
142 | static int dev_open(struct sr_dev_inst *sdi) | |
143 | { | |
144 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) | |
145 | return SR_ERR; | |
146 | ||
147 | if (dlm_scope_state_query(sdi) != SR_OK) | |
148 | return SR_ERR; | |
149 | ||
150 | sdi->status = SR_ST_ACTIVE; | |
151 | ||
152 | return SR_OK; | |
153 | } | |
154 | ||
155 | static int dev_close(struct sr_dev_inst *sdi) | |
156 | { | |
157 | if (sdi->status == SR_ST_INACTIVE) | |
158 | return SR_OK; | |
159 | ||
160 | sr_scpi_close(sdi->conn); | |
161 | ||
162 | sdi->status = SR_ST_INACTIVE; | |
163 | ||
164 | return SR_OK; | |
165 | } | |
166 | ||
167 | /** | |
168 | * Check which category a given channel group belongs to. | |
169 | * | |
170 | * @param devc Our internal device context. | |
171 | * @param cg The channel group to check. | |
172 | * | |
173 | * @retval CG_NONE cg is NULL | |
174 | * @retval CG_ANALOG cg is an analog group | |
175 | * @retval CG_DIGITAL cg is a digital group | |
176 | * @retval CG_INVALID cg is something else | |
177 | */ | |
178 | static int check_channel_group(struct dev_context *devc, | |
179 | const struct sr_channel_group *cg) | |
180 | { | |
181 | unsigned int i; | |
182 | const struct scope_config *model; | |
183 | ||
184 | model = devc->model_config; | |
185 | ||
186 | if (!cg) | |
187 | return CG_NONE; | |
188 | ||
189 | for (i = 0; i < model->analog_channels; i++) | |
190 | if (cg == devc->analog_groups[i]) | |
191 | return CG_ANALOG; | |
192 | ||
193 | for (i = 0; i < model->pods; i++) | |
194 | if (cg == devc->digital_groups[i]) | |
195 | return CG_DIGITAL; | |
196 | ||
197 | sr_err("Invalid channel group specified."); | |
198 | return CG_INVALID; | |
199 | } | |
200 | ||
201 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
202 | const struct sr_channel_group *cg) | |
203 | { | |
204 | int ret, cg_type; | |
205 | unsigned int i; | |
206 | struct dev_context *devc; | |
207 | const struct scope_config *model; | |
208 | struct scope_state *state; | |
209 | ||
210 | if (!sdi) | |
211 | return SR_ERR_ARG; | |
212 | ||
213 | devc = sdi->priv; | |
214 | ||
215 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
216 | return SR_ERR; | |
217 | ||
218 | model = devc->model_config; | |
219 | state = devc->model_state; | |
220 | ||
221 | switch (key) { | |
222 | case SR_CONF_NUM_HDIV: | |
223 | *data = g_variant_new_int32(model->num_xdivs); | |
224 | ret = SR_OK; | |
225 | break; | |
226 | case SR_CONF_TIMEBASE: | |
227 | *data = g_variant_new("(tt)", | |
228 | dlm_timebases[state->timebase][0], | |
229 | dlm_timebases[state->timebase][1]); | |
230 | ret = SR_OK; | |
231 | break; | |
232 | case SR_CONF_NUM_VDIV: | |
233 | if (cg_type == CG_NONE) { | |
234 | sr_err("No channel group specified."); | |
235 | return SR_ERR_CHANNEL_GROUP; | |
236 | } else if (cg_type == CG_ANALOG) { | |
237 | *data = g_variant_new_int32(model->num_ydivs); | |
238 | ret = SR_OK; | |
239 | break; | |
240 | } else { | |
241 | ret = SR_ERR_NA; | |
242 | } | |
243 | break; | |
244 | case SR_CONF_VDIV: | |
245 | ret = SR_ERR_NA; | |
246 | if (cg_type == CG_NONE) { | |
247 | sr_err("No channel group specified."); | |
248 | return SR_ERR_CHANNEL_GROUP; | |
249 | } else if (cg_type != CG_ANALOG) | |
250 | break; | |
251 | ||
252 | for (i = 0; i < model->analog_channels; i++) { | |
253 | if (cg != devc->analog_groups[i]) | |
254 | continue; | |
255 | *data = g_variant_new("(tt)", | |
256 | dlm_vdivs[state->analog_states[i].vdiv][0], | |
257 | dlm_vdivs[state->analog_states[i].vdiv][1]); | |
258 | ret = SR_OK; | |
259 | break; | |
260 | } | |
261 | break; | |
262 | case SR_CONF_TRIGGER_SOURCE: | |
263 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
264 | ret = SR_OK; | |
265 | break; | |
266 | case SR_CONF_TRIGGER_SLOPE: | |
267 | *data = g_variant_new_string(dlm_trigger_slopes[state->trigger_slope]); | |
268 | ret = SR_OK; | |
269 | break; | |
270 | case SR_CONF_HORIZ_TRIGGERPOS: | |
271 | *data = g_variant_new_double(state->horiz_triggerpos); | |
272 | ret = SR_OK; | |
273 | break; | |
274 | case SR_CONF_COUPLING: | |
275 | ret = SR_ERR_NA; | |
276 | if (cg_type == CG_NONE) { | |
277 | sr_err("No channel group specified."); | |
278 | return SR_ERR_CHANNEL_GROUP; | |
279 | } else if (cg_type != CG_ANALOG) | |
280 | break; | |
281 | ||
282 | for (i = 0; i < model->analog_channels; i++) { | |
283 | if (cg != devc->analog_groups[i]) | |
284 | continue; | |
285 | *data = g_variant_new_string((*model->coupling_options)[state->analog_states[i].coupling]); | |
286 | ret = SR_OK; | |
287 | break; | |
288 | } | |
289 | break; | |
290 | case SR_CONF_SAMPLERATE: | |
291 | *data = g_variant_new_uint64(state->sample_rate); | |
292 | ret = SR_OK; | |
293 | break; | |
294 | default: | |
295 | ret = SR_ERR_NA; | |
296 | } | |
297 | ||
298 | return ret; | |
299 | } | |
300 | ||
301 | static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n) | |
302 | { | |
303 | unsigned int i; | |
304 | GVariant *rational[2]; | |
305 | GVariantBuilder gvb; | |
306 | ||
307 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
308 | ||
309 | for (i = 0; i < n; i++) { | |
310 | rational[0] = g_variant_new_uint64((*array)[i][0]); | |
311 | rational[1] = g_variant_new_uint64((*array)[i][1]); | |
312 | ||
313 | /* FIXME: Valgrind reports a memory leak here. */ | |
314 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
315 | } | |
316 | ||
317 | return g_variant_builder_end(&gvb); | |
318 | } | |
319 | ||
320 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
321 | const struct sr_channel_group *cg) | |
322 | { | |
323 | int ret, cg_type; | |
324 | unsigned int i, j; | |
325 | char float_str[30]; | |
326 | struct dev_context *devc; | |
327 | const struct scope_config *model; | |
328 | struct scope_state *state; | |
329 | const char *tmp; | |
330 | uint64_t p, q; | |
331 | double tmp_d; | |
332 | gboolean update_sample_rate; | |
333 | ||
334 | if (!sdi || !(devc = sdi->priv)) | |
335 | return SR_ERR_ARG; | |
336 | ||
337 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
338 | return SR_ERR; | |
339 | ||
340 | model = devc->model_config; | |
341 | state = devc->model_state; | |
342 | update_sample_rate = FALSE; | |
343 | ||
344 | ret = SR_ERR_NA; | |
345 | ||
346 | switch (key) { | |
347 | case SR_CONF_LIMIT_FRAMES: | |
348 | devc->frame_limit = g_variant_get_uint64(data); | |
349 | ret = SR_OK; | |
350 | break; | |
351 | case SR_CONF_TRIGGER_SOURCE: | |
352 | tmp = g_variant_get_string(data, NULL); | |
353 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
354 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
355 | continue; | |
356 | state->trigger_source = i; | |
357 | /* TODO: A and B trigger support possible? */ | |
358 | ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]); | |
359 | break; | |
360 | } | |
361 | break; | |
362 | case SR_CONF_VDIV: | |
363 | if (cg_type == CG_NONE) { | |
364 | sr_err("No channel group specified."); | |
365 | return SR_ERR_CHANNEL_GROUP; | |
366 | } | |
367 | ||
368 | g_variant_get(data, "(tt)", &p, &q); | |
369 | ||
370 | for (i = 0; i < ARRAY_SIZE(dlm_vdivs); i++) { | |
371 | if (p != dlm_vdivs[i][0] || | |
372 | q != dlm_vdivs[i][1]) | |
373 | continue; | |
374 | for (j = 1; j <= model->analog_channels; j++) { | |
375 | if (cg != devc->analog_groups[j - 1]) | |
376 | continue; | |
377 | state->analog_states[j - 1].vdiv = i; | |
378 | g_ascii_formatd(float_str, sizeof(float_str), | |
379 | "%E", (float) p / q); | |
380 | if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK || | |
381 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
382 | return SR_ERR; | |
383 | ||
384 | break; | |
385 | } | |
386 | ||
387 | ret = SR_OK; | |
388 | break; | |
389 | } | |
390 | break; | |
391 | case SR_CONF_TIMEBASE: | |
392 | g_variant_get(data, "(tt)", &p, &q); | |
393 | ||
394 | for (i = 0; i < ARRAY_SIZE(dlm_timebases); i++) { | |
395 | if (p != dlm_timebases[i][0] || | |
396 | q != dlm_timebases[i][1]) | |
397 | continue; | |
398 | state->timebase = i; | |
399 | g_ascii_formatd(float_str, sizeof(float_str), | |
400 | "%E", (float) p / q); | |
401 | ret = dlm_timebase_set(sdi->conn, float_str); | |
402 | update_sample_rate = TRUE; | |
403 | break; | |
404 | } | |
405 | break; | |
406 | case SR_CONF_HORIZ_TRIGGERPOS: | |
407 | tmp_d = g_variant_get_double(data); | |
408 | ||
409 | /* TODO: Check if the calculation makes sense for the DLM. */ | |
410 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
411 | return SR_ERR; | |
412 | ||
413 | state->horiz_triggerpos = tmp_d; | |
414 | tmp_d = -(tmp_d - 0.5) * | |
415 | ((double) dlm_timebases[state->timebase][0] / | |
416 | dlm_timebases[state->timebase][1]) | |
417 | * model->num_xdivs; | |
418 | ||
419 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); | |
420 | ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str); | |
421 | break; | |
422 | case SR_CONF_TRIGGER_SLOPE: | |
423 | tmp = g_variant_get_string(data, NULL); | |
424 | ||
425 | if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r')) | |
426 | return SR_ERR_ARG; | |
427 | ||
428 | /* Note: See dlm_trigger_slopes[] in protocol.c. */ | |
429 | state->trigger_slope = (tmp[0] == 'r') ? | |
430 | SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
431 | ||
432 | ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope); | |
433 | break; | |
434 | case SR_CONF_COUPLING: | |
435 | if (cg_type == CG_NONE) { | |
436 | sr_err("No channel group specified."); | |
437 | return SR_ERR_CHANNEL_GROUP; | |
438 | } | |
439 | ||
440 | tmp = g_variant_get_string(data, NULL); | |
441 | ||
442 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
443 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
444 | continue; | |
445 | for (j = 1; j <= model->analog_channels; j++) { | |
446 | if (cg != devc->analog_groups[j - 1]) | |
447 | continue; | |
448 | state->analog_states[j-1].coupling = i; | |
449 | ||
450 | if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != SR_OK || | |
451 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
452 | return SR_ERR; | |
453 | break; | |
454 | } | |
455 | ||
456 | ret = SR_OK; | |
457 | break; | |
458 | } | |
459 | break; | |
460 | default: | |
461 | ret = SR_ERR_NA; | |
462 | break; | |
463 | } | |
464 | ||
465 | if (ret == SR_OK) | |
466 | ret = sr_scpi_get_opc(sdi->conn); | |
467 | ||
468 | if (ret == SR_OK && update_sample_rate) | |
469 | ret = dlm_sample_rate_query(sdi); | |
470 | ||
471 | return ret; | |
472 | } | |
473 | ||
474 | static int config_channel_set(const struct sr_dev_inst *sdi, | |
475 | struct sr_channel *ch, unsigned int changes) | |
476 | { | |
477 | /* Currently we only handle SR_CHANNEL_SET_ENABLED. */ | |
478 | if (changes != SR_CHANNEL_SET_ENABLED) | |
479 | return SR_ERR_NA; | |
480 | ||
481 | return dlm_channel_state_set(sdi, ch->index, ch->enabled); | |
482 | } | |
483 | ||
484 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
485 | const struct sr_channel_group *cg) | |
486 | { | |
487 | int cg_type = CG_NONE; | |
488 | struct dev_context *devc = NULL; | |
489 | const struct scope_config *model = NULL; | |
490 | ||
491 | /* SR_CONF_SCAN_OPTIONS is always valid, regardless of sdi or channel group. */ | |
492 | if (key == SR_CONF_SCAN_OPTIONS) { | |
493 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
494 | dlm_scanopts, ARRAY_SIZE(dlm_scanopts), sizeof(uint32_t)); | |
495 | return SR_OK; | |
496 | } | |
497 | ||
498 | /* If sdi is NULL, nothing except SR_CONF_DEVICE_OPTIONS can be provided. */ | |
499 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
500 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
501 | dlm_drvopts, ARRAY_SIZE(dlm_drvopts), sizeof(uint32_t)); | |
502 | return SR_OK; | |
503 | } | |
504 | ||
505 | if (!sdi) | |
506 | return SR_ERR_ARG; | |
507 | ||
508 | devc = sdi->priv; | |
509 | model = devc->model_config; | |
510 | ||
511 | /* | |
512 | * If cg is NULL, only the SR_CONF_DEVICE_OPTIONS that are not | |
513 | * specific to a channel group must be returned. | |
514 | */ | |
515 | if (!cg) { | |
516 | switch (key) { | |
517 | case SR_CONF_DEVICE_OPTIONS: | |
518 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
519 | dlm_devopts, ARRAY_SIZE(dlm_devopts), sizeof(uint32_t)); | |
520 | return SR_OK; | |
521 | case SR_CONF_TIMEBASE: | |
522 | *data = build_tuples(&dlm_timebases, ARRAY_SIZE(dlm_timebases)); | |
523 | return SR_OK; | |
524 | case SR_CONF_TRIGGER_SOURCE: | |
525 | if (!model) | |
526 | return SR_ERR_ARG; | |
527 | *data = g_variant_new_strv(*model->trigger_sources, | |
528 | g_strv_length((char **)*model->trigger_sources)); | |
529 | return SR_OK; | |
530 | case SR_CONF_TRIGGER_SLOPE: | |
531 | *data = g_variant_new_strv(dlm_trigger_slopes, | |
532 | g_strv_length((char **)dlm_trigger_slopes)); | |
533 | return SR_OK; | |
534 | case SR_CONF_NUM_HDIV: | |
535 | *data = g_variant_new_uint32(model->num_xdivs); | |
536 | return SR_OK; | |
537 | default: | |
538 | return SR_ERR_NA; | |
539 | } | |
540 | } | |
541 | ||
542 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
543 | return SR_ERR; | |
544 | ||
545 | switch (key) { | |
546 | case SR_CONF_DEVICE_OPTIONS: | |
547 | if (cg_type == CG_ANALOG) { | |
548 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
549 | dlm_analog_devopts, ARRAY_SIZE(dlm_analog_devopts), sizeof(uint32_t)); | |
550 | } else if (cg_type == CG_DIGITAL) { | |
551 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
552 | dlm_digital_devopts, ARRAY_SIZE(dlm_digital_devopts), sizeof(uint32_t)); | |
553 | } else { | |
554 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
555 | NULL, 0, sizeof(uint32_t)); | |
556 | } | |
557 | break; | |
558 | case SR_CONF_COUPLING: | |
559 | if (cg_type == CG_NONE) | |
560 | return SR_ERR_CHANNEL_GROUP; | |
561 | *data = g_variant_new_strv(*model->coupling_options, | |
562 | g_strv_length((char **)*model->coupling_options)); | |
563 | break; | |
564 | case SR_CONF_VDIV: | |
565 | if (cg_type == CG_NONE) | |
566 | return SR_ERR_CHANNEL_GROUP; | |
567 | *data = build_tuples(&dlm_vdivs, ARRAY_SIZE(dlm_vdivs)); | |
568 | break; | |
569 | default: | |
570 | return SR_ERR_NA; | |
571 | } | |
572 | ||
573 | return SR_OK; | |
574 | } | |
575 | ||
576 | static int dlm_check_channels(GSList *channels) | |
577 | { | |
578 | GSList *l; | |
579 | struct sr_channel *ch; | |
580 | gboolean enabled_pod1, enabled_chan4; | |
581 | ||
582 | enabled_pod1 = enabled_chan4 = FALSE; | |
583 | ||
584 | /* Note: On the DLM2000, CH4 and Logic are shared. */ | |
585 | /* TODO Handle non-DLM2000 models. */ | |
586 | for (l = channels; l; l = l->next) { | |
587 | ch = l->data; | |
588 | switch (ch->type) { | |
589 | case SR_CHANNEL_ANALOG: | |
590 | if (ch->index == 3) | |
591 | enabled_chan4 = TRUE; | |
592 | break; | |
593 | case SR_CHANNEL_LOGIC: | |
594 | enabled_pod1 = TRUE; | |
595 | break; | |
596 | default: | |
597 | return SR_ERR; | |
598 | } | |
599 | } | |
600 | ||
601 | if (enabled_pod1 && enabled_chan4) | |
602 | return SR_ERR; | |
603 | ||
604 | return SR_OK; | |
605 | } | |
606 | ||
607 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
608 | { | |
609 | GSList *l; | |
610 | gboolean digital_added; | |
611 | struct sr_channel *ch; | |
612 | struct dev_context *devc; | |
613 | struct sr_scpi_dev_inst *scpi; | |
614 | ||
615 | if (sdi->status != SR_ST_ACTIVE) | |
616 | return SR_ERR_DEV_CLOSED; | |
617 | ||
618 | scpi = sdi->conn; | |
619 | devc = sdi->priv; | |
620 | digital_added = FALSE; | |
621 | ||
622 | g_slist_free(devc->enabled_channels); | |
623 | devc->enabled_channels = NULL; | |
624 | ||
625 | for (l = sdi->channels; l; l = l->next) { | |
626 | ch = l->data; | |
627 | if (!ch->enabled) | |
628 | continue; | |
629 | /* Only add a single digital channel. */ | |
630 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added) { | |
631 | devc->enabled_channels = g_slist_append( | |
632 | devc->enabled_channels, ch); | |
633 | if (ch->type == SR_CHANNEL_LOGIC) | |
634 | digital_added = TRUE; | |
635 | } | |
636 | } | |
637 | ||
638 | if (!devc->enabled_channels) | |
639 | return SR_ERR; | |
640 | ||
641 | if (dlm_check_channels(devc->enabled_channels) != SR_OK) { | |
642 | sr_err("Invalid channel configuration specified!"); | |
643 | return SR_ERR_NA; | |
644 | } | |
645 | ||
646 | /* Request data for the first enabled channel. */ | |
647 | devc->current_channel = devc->enabled_channels; | |
648 | dlm_channel_data_request(sdi); | |
649 | ||
650 | /* Call our callback when data comes in or after 5ms. */ | |
651 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 5, | |
652 | dlm_data_receive, (void *)sdi); | |
653 | ||
654 | return SR_OK; | |
655 | } | |
656 | ||
657 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
658 | { | |
659 | struct dev_context *devc; | |
660 | ||
661 | std_session_send_df_end(sdi); | |
662 | ||
663 | devc = sdi->priv; | |
664 | ||
665 | devc->num_frames = 0; | |
666 | g_slist_free(devc->enabled_channels); | |
667 | devc->enabled_channels = NULL; | |
668 | ||
669 | sr_scpi_source_remove(sdi->session, sdi->conn); | |
670 | ||
671 | return SR_OK; | |
672 | } | |
673 | ||
674 | static struct sr_dev_driver yokogawa_dlm_driver_info = { | |
675 | .name = "yokogawa-dlm", | |
676 | .longname = "Yokogawa DL/DLM", | |
677 | .api_version = 1, | |
678 | .init = std_init, | |
679 | .cleanup = std_cleanup, | |
680 | .scan = scan, | |
681 | .dev_list = std_dev_list, | |
682 | .dev_clear = dev_clear, | |
683 | .config_get = config_get, | |
684 | .config_set = config_set, | |
685 | .config_channel_set = config_channel_set, | |
686 | .config_list = config_list, | |
687 | .dev_open = dev_open, | |
688 | .dev_close = dev_close, | |
689 | .dev_acquisition_start = dev_acquisition_start, | |
690 | .dev_acquisition_stop = dev_acquisition_stop, | |
691 | .context = NULL, | |
692 | }; | |
693 | SR_REGISTER_DEV_DRIVER(yokogawa_dlm_driver_info); |