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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_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
47 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
48 | }; | |
49 | ||
50 | static const uint32_t dlm_analog_devopts[] = { | |
51 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
52 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
53 | SR_CONF_NUM_VDIV | SR_CONF_GET, | |
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 | if (hw_info) | |
113 | sr_scpi_hw_info_free(hw_info); | |
114 | if (sdi) | |
115 | sr_dev_inst_free(sdi); | |
116 | g_free(devc); | |
117 | ||
118 | return NULL; | |
119 | } | |
120 | ||
121 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
122 | { | |
123 | return sr_scpi_scan(di->context, options, probe_usbtmc_device); | |
124 | } | |
125 | ||
126 | static void clear_helper(void *priv) | |
127 | { | |
128 | struct dev_context *devc; | |
129 | ||
130 | devc = priv; | |
131 | ||
132 | dlm_scope_state_destroy(devc->model_state); | |
133 | ||
134 | g_free(devc->analog_groups); | |
135 | g_free(devc->digital_groups); | |
136 | g_free(devc); | |
137 | } | |
138 | ||
139 | static int dev_clear(const struct sr_dev_driver *di) | |
140 | { | |
141 | return std_dev_clear(di, clear_helper); | |
142 | } | |
143 | ||
144 | static int dev_open(struct sr_dev_inst *sdi) | |
145 | { | |
146 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) | |
147 | return SR_ERR; | |
148 | ||
149 | if (dlm_scope_state_query(sdi) != SR_OK) | |
150 | return SR_ERR; | |
151 | ||
152 | sdi->status = SR_ST_ACTIVE; | |
153 | ||
154 | return SR_OK; | |
155 | } | |
156 | ||
157 | static int dev_close(struct sr_dev_inst *sdi) | |
158 | { | |
159 | if (sdi->status == SR_ST_INACTIVE) | |
160 | return SR_OK; | |
161 | ||
162 | sr_scpi_close(sdi->conn); | |
163 | ||
164 | sdi->status = SR_ST_INACTIVE; | |
165 | ||
166 | return SR_OK; | |
167 | } | |
168 | ||
169 | /** | |
170 | * Check which category a given channel group belongs to. | |
171 | * | |
172 | * @param devc Our internal device context. | |
173 | * @param cg The channel group to check. | |
174 | * | |
175 | * @retval CG_NONE cg is NULL | |
176 | * @retval CG_ANALOG cg is an analog group | |
177 | * @retval CG_DIGITAL cg is a digital group | |
178 | * @retval CG_INVALID cg is something else | |
179 | */ | |
180 | static int check_channel_group(struct dev_context *devc, | |
181 | const struct sr_channel_group *cg) | |
182 | { | |
183 | unsigned int i; | |
184 | const struct scope_config *model; | |
185 | ||
186 | model = devc->model_config; | |
187 | ||
188 | if (!cg) | |
189 | return CG_NONE; | |
190 | ||
191 | for (i = 0; i < model->analog_channels; i++) | |
192 | if (cg == devc->analog_groups[i]) | |
193 | return CG_ANALOG; | |
194 | ||
195 | for (i = 0; i < model->pods; i++) | |
196 | if (cg == devc->digital_groups[i]) | |
197 | return CG_DIGITAL; | |
198 | ||
199 | sr_err("Invalid channel group specified."); | |
200 | return CG_INVALID; | |
201 | } | |
202 | ||
203 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
204 | const struct sr_channel_group *cg) | |
205 | { | |
206 | int ret, cg_type; | |
207 | unsigned int i; | |
208 | struct dev_context *devc; | |
209 | const struct scope_config *model; | |
210 | struct scope_state *state; | |
211 | ||
212 | if (!sdi) | |
213 | return SR_ERR_ARG; | |
214 | ||
215 | devc = sdi->priv; | |
216 | ||
217 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
218 | return SR_ERR; | |
219 | ||
220 | model = devc->model_config; | |
221 | state = devc->model_state; | |
222 | ||
223 | switch (key) { | |
224 | case SR_CONF_NUM_HDIV: | |
225 | *data = g_variant_new_int32(model->num_xdivs); | |
226 | ret = SR_OK; | |
227 | break; | |
228 | case SR_CONF_TIMEBASE: | |
229 | *data = g_variant_new("(tt)", | |
230 | dlm_timebases[state->timebase][0], | |
231 | dlm_timebases[state->timebase][1]); | |
232 | ret = SR_OK; | |
233 | break; | |
234 | case SR_CONF_NUM_VDIV: | |
235 | if (cg_type == CG_NONE) { | |
236 | sr_err("No channel group specified."); | |
237 | return SR_ERR_CHANNEL_GROUP; | |
238 | } else if (cg_type == CG_ANALOG) { | |
239 | *data = g_variant_new_int32(model->num_ydivs); | |
240 | ret = SR_OK; | |
241 | break; | |
242 | } else { | |
243 | ret = SR_ERR_NA; | |
244 | } | |
245 | break; | |
246 | case SR_CONF_VDIV: | |
247 | ret = SR_ERR_NA; | |
248 | if (cg_type == CG_NONE) { | |
249 | sr_err("No channel group specified."); | |
250 | return SR_ERR_CHANNEL_GROUP; | |
251 | } else if (cg_type != CG_ANALOG) | |
252 | break; | |
253 | ||
254 | for (i = 0; i < model->analog_channels; i++) { | |
255 | if (cg != devc->analog_groups[i]) | |
256 | continue; | |
257 | *data = g_variant_new("(tt)", | |
258 | dlm_vdivs[state->analog_states[i].vdiv][0], | |
259 | dlm_vdivs[state->analog_states[i].vdiv][1]); | |
260 | ret = SR_OK; | |
261 | break; | |
262 | } | |
263 | break; | |
264 | case SR_CONF_TRIGGER_SOURCE: | |
265 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
266 | ret = SR_OK; | |
267 | break; | |
268 | case SR_CONF_TRIGGER_SLOPE: | |
269 | *data = g_variant_new_string(dlm_trigger_slopes[state->trigger_slope]); | |
270 | ret = SR_OK; | |
271 | break; | |
272 | case SR_CONF_HORIZ_TRIGGERPOS: | |
273 | *data = g_variant_new_double(state->horiz_triggerpos); | |
274 | ret = SR_OK; | |
275 | break; | |
276 | case SR_CONF_COUPLING: | |
277 | ret = SR_ERR_NA; | |
278 | if (cg_type == CG_NONE) { | |
279 | sr_err("No channel group specified."); | |
280 | return SR_ERR_CHANNEL_GROUP; | |
281 | } else if (cg_type != CG_ANALOG) | |
282 | break; | |
283 | ||
284 | for (i = 0; i < model->analog_channels; i++) { | |
285 | if (cg != devc->analog_groups[i]) | |
286 | continue; | |
287 | *data = g_variant_new_string((*model->coupling_options)[state->analog_states[i].coupling]); | |
288 | ret = SR_OK; | |
289 | break; | |
290 | } | |
291 | break; | |
292 | case SR_CONF_SAMPLERATE: | |
293 | *data = g_variant_new_uint64(state->sample_rate); | |
294 | ret = SR_OK; | |
295 | break; | |
296 | default: | |
297 | ret = SR_ERR_NA; | |
298 | } | |
299 | ||
300 | return ret; | |
301 | } | |
302 | ||
303 | static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n) | |
304 | { | |
305 | unsigned int i; | |
306 | GVariant *rational[2]; | |
307 | GVariantBuilder gvb; | |
308 | ||
309 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
310 | ||
311 | for (i = 0; i < n; i++) { | |
312 | rational[0] = g_variant_new_uint64((*array)[i][0]); | |
313 | rational[1] = g_variant_new_uint64((*array)[i][1]); | |
314 | ||
315 | /* FIXME: Valgrind reports a memory leak here. */ | |
316 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
317 | } | |
318 | ||
319 | return g_variant_builder_end(&gvb); | |
320 | } | |
321 | ||
322 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
323 | const struct sr_channel_group *cg) | |
324 | { | |
325 | int ret, cg_type; | |
326 | unsigned int i, j; | |
327 | char float_str[30]; | |
328 | struct dev_context *devc; | |
329 | const struct scope_config *model; | |
330 | struct scope_state *state; | |
331 | const char *tmp; | |
332 | uint64_t p, q; | |
333 | double tmp_d; | |
334 | gboolean update_sample_rate; | |
335 | ||
336 | if (!sdi || !(devc = sdi->priv)) | |
337 | return SR_ERR_ARG; | |
338 | ||
339 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
340 | return SR_ERR; | |
341 | ||
342 | model = devc->model_config; | |
343 | state = devc->model_state; | |
344 | update_sample_rate = FALSE; | |
345 | ||
346 | ret = SR_ERR_NA; | |
347 | ||
348 | switch (key) { | |
349 | case SR_CONF_LIMIT_FRAMES: | |
350 | devc->frame_limit = g_variant_get_uint64(data); | |
351 | ret = SR_OK; | |
352 | break; | |
353 | case SR_CONF_TRIGGER_SOURCE: | |
354 | tmp = g_variant_get_string(data, NULL); | |
355 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
356 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
357 | continue; | |
358 | state->trigger_source = i; | |
359 | /* TODO: A and B trigger support possible? */ | |
360 | ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]); | |
361 | break; | |
362 | } | |
363 | break; | |
364 | case SR_CONF_VDIV: | |
365 | if (cg_type == CG_NONE) { | |
366 | sr_err("No channel group specified."); | |
367 | return SR_ERR_CHANNEL_GROUP; | |
368 | } | |
369 | ||
370 | g_variant_get(data, "(tt)", &p, &q); | |
371 | ||
372 | for (i = 0; i < ARRAY_SIZE(dlm_vdivs); i++) { | |
373 | if (p != dlm_vdivs[i][0] || | |
374 | q != dlm_vdivs[i][1]) | |
375 | continue; | |
376 | for (j = 1; j <= model->analog_channels; j++) { | |
377 | if (cg != devc->analog_groups[j - 1]) | |
378 | continue; | |
379 | state->analog_states[j - 1].vdiv = i; | |
380 | g_ascii_formatd(float_str, sizeof(float_str), | |
381 | "%E", (float) p / q); | |
382 | if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK || | |
383 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
384 | return SR_ERR; | |
385 | ||
386 | break; | |
387 | } | |
388 | ||
389 | ret = SR_OK; | |
390 | break; | |
391 | } | |
392 | break; | |
393 | case SR_CONF_TIMEBASE: | |
394 | g_variant_get(data, "(tt)", &p, &q); | |
395 | ||
396 | for (i = 0; i < ARRAY_SIZE(dlm_timebases); i++) { | |
397 | if (p != dlm_timebases[i][0] || | |
398 | q != dlm_timebases[i][1]) | |
399 | continue; | |
400 | state->timebase = i; | |
401 | g_ascii_formatd(float_str, sizeof(float_str), | |
402 | "%E", (float) p / q); | |
403 | ret = dlm_timebase_set(sdi->conn, float_str); | |
404 | update_sample_rate = TRUE; | |
405 | break; | |
406 | } | |
407 | break; | |
408 | case SR_CONF_HORIZ_TRIGGERPOS: | |
409 | tmp_d = g_variant_get_double(data); | |
410 | ||
411 | /* TODO: Check if the calculation makes sense for the DLM. */ | |
412 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
413 | return SR_ERR; | |
414 | ||
415 | state->horiz_triggerpos = tmp_d; | |
416 | tmp_d = -(tmp_d - 0.5) * | |
417 | ((double) dlm_timebases[state->timebase][0] / | |
418 | dlm_timebases[state->timebase][1]) | |
419 | * model->num_xdivs; | |
420 | ||
421 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); | |
422 | ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str); | |
423 | break; | |
424 | case SR_CONF_TRIGGER_SLOPE: | |
425 | tmp = g_variant_get_string(data, NULL); | |
426 | ||
427 | if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r')) | |
428 | return SR_ERR_ARG; | |
429 | ||
430 | /* Note: See dlm_trigger_slopes[] in protocol.c. */ | |
431 | state->trigger_slope = (tmp[0] == 'r') ? | |
432 | SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
433 | ||
434 | ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope); | |
435 | break; | |
436 | case SR_CONF_COUPLING: | |
437 | if (cg_type == CG_NONE) { | |
438 | sr_err("No channel group specified."); | |
439 | return SR_ERR_CHANNEL_GROUP; | |
440 | } | |
441 | ||
442 | tmp = g_variant_get_string(data, NULL); | |
443 | ||
444 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
445 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
446 | continue; | |
447 | for (j = 1; j <= model->analog_channels; j++) { | |
448 | if (cg != devc->analog_groups[j - 1]) | |
449 | continue; | |
450 | state->analog_states[j-1].coupling = i; | |
451 | ||
452 | if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != SR_OK || | |
453 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
454 | return SR_ERR; | |
455 | break; | |
456 | } | |
457 | ||
458 | ret = SR_OK; | |
459 | break; | |
460 | } | |
461 | break; | |
462 | default: | |
463 | ret = SR_ERR_NA; | |
464 | break; | |
465 | } | |
466 | ||
467 | if (ret == SR_OK) | |
468 | ret = sr_scpi_get_opc(sdi->conn); | |
469 | ||
470 | if (ret == SR_OK && update_sample_rate) | |
471 | ret = dlm_sample_rate_query(sdi); | |
472 | ||
473 | return ret; | |
474 | } | |
475 | ||
476 | static int config_channel_set(const struct sr_dev_inst *sdi, | |
477 | struct sr_channel *ch, unsigned int changes) | |
478 | { | |
479 | /* Currently we only handle SR_CHANNEL_SET_ENABLED. */ | |
480 | if (changes != SR_CHANNEL_SET_ENABLED) | |
481 | return SR_ERR_NA; | |
482 | ||
483 | return dlm_channel_state_set(sdi, ch->index, ch->enabled); | |
484 | } | |
485 | ||
486 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
487 | const struct sr_channel_group *cg) | |
488 | { | |
489 | int cg_type = CG_NONE; | |
490 | struct dev_context *devc = NULL; | |
491 | const struct scope_config *model = NULL; | |
492 | ||
493 | /* SR_CONF_SCAN_OPTIONS is always valid, regardless of sdi or probe group. */ | |
494 | if (key == SR_CONF_SCAN_OPTIONS) { | |
495 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
496 | dlm_scanopts, ARRAY_SIZE(dlm_scanopts), sizeof(uint32_t)); | |
497 | return SR_OK; | |
498 | } | |
499 | ||
500 | /* If sdi is NULL, nothing except SR_CONF_DEVICE_OPTIONS can be provided. */ | |
501 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
502 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
503 | dlm_drvopts, ARRAY_SIZE(dlm_drvopts), sizeof(uint32_t)); | |
504 | return SR_OK; | |
505 | } | |
506 | ||
507 | if (!sdi) | |
508 | return SR_ERR_ARG; | |
509 | ||
510 | devc = sdi->priv; | |
511 | model = devc->model_config; | |
512 | ||
513 | /* | |
514 | * If cg is NULL, only the SR_CONF_DEVICE_OPTIONS that are not | |
515 | * specific to a probe group must be returned. | |
516 | */ | |
517 | if (!cg) { | |
518 | switch (key) { | |
519 | case SR_CONF_DEVICE_OPTIONS: | |
520 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
521 | dlm_devopts, ARRAY_SIZE(dlm_devopts), sizeof(uint32_t)); | |
522 | return SR_OK; | |
523 | case SR_CONF_TIMEBASE: | |
524 | *data = build_tuples(&dlm_timebases, ARRAY_SIZE(dlm_timebases)); | |
525 | return SR_OK; | |
526 | case SR_CONF_TRIGGER_SOURCE: | |
527 | if (!model) | |
528 | return SR_ERR_ARG; | |
529 | *data = g_variant_new_strv(*model->trigger_sources, | |
530 | g_strv_length((char **)*model->trigger_sources)); | |
531 | return SR_OK; | |
532 | case SR_CONF_TRIGGER_SLOPE: | |
533 | *data = g_variant_new_strv(dlm_trigger_slopes, | |
534 | g_strv_length((char **)dlm_trigger_slopes)); | |
535 | return SR_OK; | |
536 | case SR_CONF_NUM_HDIV: | |
537 | *data = g_variant_new_uint32(model->num_xdivs); | |
538 | return SR_OK; | |
539 | default: | |
540 | return SR_ERR_NA; | |
541 | } | |
542 | } | |
543 | ||
544 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
545 | return SR_ERR; | |
546 | ||
547 | switch (key) { | |
548 | case SR_CONF_DEVICE_OPTIONS: | |
549 | if (cg_type == CG_ANALOG) { | |
550 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
551 | dlm_analog_devopts, ARRAY_SIZE(dlm_analog_devopts), sizeof(uint32_t)); | |
552 | } else if (cg_type == CG_DIGITAL) { | |
553 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
554 | dlm_digital_devopts, ARRAY_SIZE(dlm_digital_devopts), sizeof(uint32_t)); | |
555 | } else { | |
556 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
557 | NULL, 0, sizeof(uint32_t)); | |
558 | } | |
559 | break; | |
560 | case SR_CONF_COUPLING: | |
561 | if (cg_type == CG_NONE) | |
562 | return SR_ERR_CHANNEL_GROUP; | |
563 | *data = g_variant_new_strv(*model->coupling_options, | |
564 | g_strv_length((char **)*model->coupling_options)); | |
565 | break; | |
566 | case SR_CONF_VDIV: | |
567 | if (cg_type == CG_NONE) | |
568 | return SR_ERR_CHANNEL_GROUP; | |
569 | *data = build_tuples(&dlm_vdivs, ARRAY_SIZE(dlm_vdivs)); | |
570 | break; | |
571 | default: | |
572 | return SR_ERR_NA; | |
573 | } | |
574 | ||
575 | return SR_OK; | |
576 | } | |
577 | ||
578 | static int dlm_check_channels(GSList *channels) | |
579 | { | |
580 | GSList *l; | |
581 | struct sr_channel *ch; | |
582 | gboolean enabled_pod1, enabled_chan4; | |
583 | ||
584 | enabled_pod1 = enabled_chan4 = FALSE; | |
585 | ||
586 | /* Note: On the DLM2000, CH4 and Logic are shared. */ | |
587 | /* TODO Handle non-DLM2000 models. */ | |
588 | for (l = channels; l; l = l->next) { | |
589 | ch = l->data; | |
590 | switch (ch->type) { | |
591 | case SR_CHANNEL_ANALOG: | |
592 | if (ch->index == 3) | |
593 | enabled_chan4 = TRUE; | |
594 | break; | |
595 | case SR_CHANNEL_LOGIC: | |
596 | enabled_pod1 = TRUE; | |
597 | break; | |
598 | default: | |
599 | return SR_ERR; | |
600 | } | |
601 | } | |
602 | ||
603 | if (enabled_pod1 && enabled_chan4) | |
604 | return SR_ERR; | |
605 | ||
606 | return SR_OK; | |
607 | } | |
608 | ||
609 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
610 | { | |
611 | GSList *l; | |
612 | gboolean digital_added; | |
613 | struct sr_channel *ch; | |
614 | struct dev_context *devc; | |
615 | struct sr_scpi_dev_inst *scpi; | |
616 | ||
617 | if (sdi->status != SR_ST_ACTIVE) | |
618 | return SR_ERR_DEV_CLOSED; | |
619 | ||
620 | scpi = sdi->conn; | |
621 | devc = sdi->priv; | |
622 | digital_added = FALSE; | |
623 | ||
624 | g_slist_free(devc->enabled_channels); | |
625 | devc->enabled_channels = NULL; | |
626 | ||
627 | for (l = sdi->channels; l; l = l->next) { | |
628 | ch = l->data; | |
629 | if (!ch->enabled) | |
630 | continue; | |
631 | /* Only add a single digital channel. */ | |
632 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added) { | |
633 | devc->enabled_channels = g_slist_append( | |
634 | devc->enabled_channels, ch); | |
635 | if (ch->type == SR_CHANNEL_LOGIC) | |
636 | digital_added = TRUE; | |
637 | } | |
638 | } | |
639 | ||
640 | if (!devc->enabled_channels) | |
641 | return SR_ERR; | |
642 | ||
643 | if (dlm_check_channels(devc->enabled_channels) != SR_OK) { | |
644 | sr_err("Invalid channel configuration specified!"); | |
645 | return SR_ERR_NA; | |
646 | } | |
647 | ||
648 | /* Request data for the first enabled channel. */ | |
649 | devc->current_channel = devc->enabled_channels; | |
650 | dlm_channel_data_request(sdi); | |
651 | ||
652 | /* Call our callback when data comes in or after 5ms. */ | |
653 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 5, | |
654 | dlm_data_receive, (void *)sdi); | |
655 | ||
656 | return SR_OK; | |
657 | } | |
658 | ||
659 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
660 | { | |
661 | struct dev_context *devc; | |
662 | ||
663 | std_session_send_df_end(sdi, LOG_PREFIX); | |
664 | ||
665 | if (sdi->status != SR_ST_ACTIVE) | |
666 | return SR_ERR_DEV_CLOSED; | |
667 | ||
668 | devc = sdi->priv; | |
669 | ||
670 | devc->num_frames = 0; | |
671 | g_slist_free(devc->enabled_channels); | |
672 | devc->enabled_channels = NULL; | |
673 | ||
674 | sr_scpi_source_remove(sdi->session, sdi->conn); | |
675 | ||
676 | return SR_OK; | |
677 | } | |
678 | ||
679 | static struct sr_dev_driver yokogawa_dlm_driver_info = { | |
680 | .name = "yokogawa-dlm", | |
681 | .longname = "Yokogawa DL/DLM", | |
682 | .api_version = 1, | |
683 | .init = std_init, | |
684 | .cleanup = std_cleanup, | |
685 | .scan = scan, | |
686 | .dev_list = std_dev_list, | |
687 | .dev_clear = dev_clear, | |
688 | .config_get = config_get, | |
689 | .config_set = config_set, | |
690 | .config_channel_set = config_channel_set, | |
691 | .config_list = config_list, | |
692 | .dev_open = dev_open, | |
693 | .dev_close = dev_close, | |
694 | .dev_acquisition_start = dev_acquisition_start, | |
695 | .dev_acquisition_stop = dev_acquisition_stop, | |
696 | .context = NULL, | |
697 | }; | |
698 | SR_REGISTER_DEV_DRIVER(yokogawa_dlm_driver_info); |