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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 | SR_PRIV 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 int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) | |
67 | { | |
68 | return std_init(sr_ctx, di, LOG_PREFIX); | |
69 | } | |
70 | ||
71 | static struct sr_dev_inst *probe_usbtmc_device(struct sr_scpi_dev_inst *scpi) | |
72 | { | |
73 | struct sr_dev_inst *sdi; | |
74 | struct dev_context *devc; | |
75 | struct sr_scpi_hw_info *hw_info; | |
76 | char *model_name; | |
77 | int model_index; | |
78 | ||
79 | sdi = NULL; | |
80 | devc = NULL; | |
81 | hw_info = NULL; | |
82 | ||
83 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
84 | sr_info("Couldn't get IDN response."); | |
85 | goto fail; | |
86 | } | |
87 | ||
88 | if (strcmp(hw_info->manufacturer, MANUFACTURER_ID) != 0) | |
89 | goto fail; | |
90 | ||
91 | if (dlm_model_get(hw_info->model, &model_name, &model_index) != SR_OK) | |
92 | goto fail; | |
93 | ||
94 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
95 | sdi->vendor = g_strdup(MANUFACTURER_NAME); | |
96 | sdi->model = g_strdup(model_name); | |
97 | sdi->version = g_strdup(hw_info->firmware_version); | |
98 | ||
99 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
100 | ||
101 | sr_scpi_hw_info_free(hw_info); | |
102 | hw_info = NULL; | |
103 | ||
104 | devc = g_malloc0(sizeof(struct dev_context)); | |
105 | ||
106 | sdi->driver = &yokogawa_dlm_driver_info; | |
107 | sdi->priv = devc; | |
108 | sdi->inst_type = SR_INST_SCPI; | |
109 | sdi->conn = scpi; | |
110 | ||
111 | if (dlm_device_init(sdi, model_index) != SR_OK) | |
112 | goto fail; | |
113 | ||
114 | return sdi; | |
115 | ||
116 | fail: | |
117 | if (hw_info) | |
118 | sr_scpi_hw_info_free(hw_info); | |
119 | if (sdi) | |
120 | sr_dev_inst_free(sdi); | |
121 | g_free(devc); | |
122 | ||
123 | return NULL; | |
124 | } | |
125 | ||
126 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
127 | { | |
128 | return sr_scpi_scan(di->context, options, probe_usbtmc_device); | |
129 | } | |
130 | ||
131 | static GSList *dev_list(const struct sr_dev_driver *di) | |
132 | { | |
133 | return ((struct drv_context *)(di->context))->instances; | |
134 | } | |
135 | ||
136 | static void clear_helper(void *priv) | |
137 | { | |
138 | struct dev_context *devc; | |
139 | ||
140 | devc = priv; | |
141 | ||
142 | dlm_scope_state_destroy(devc->model_state); | |
143 | ||
144 | g_free(devc->analog_groups); | |
145 | g_free(devc->digital_groups); | |
146 | g_free(devc); | |
147 | } | |
148 | ||
149 | static int dev_clear(const struct sr_dev_driver *di) | |
150 | { | |
151 | return std_dev_clear(di, clear_helper); | |
152 | } | |
153 | ||
154 | static int dev_open(struct sr_dev_inst *sdi) | |
155 | { | |
156 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) | |
157 | return SR_ERR; | |
158 | ||
159 | if (dlm_scope_state_query(sdi) != SR_OK) | |
160 | return SR_ERR; | |
161 | ||
162 | sdi->status = SR_ST_ACTIVE; | |
163 | ||
164 | return SR_OK; | |
165 | } | |
166 | ||
167 | static int dev_close(struct sr_dev_inst *sdi) | |
168 | { | |
169 | if (sdi->status == SR_ST_INACTIVE) | |
170 | return SR_OK; | |
171 | ||
172 | sr_scpi_close(sdi->conn); | |
173 | ||
174 | sdi->status = SR_ST_INACTIVE; | |
175 | ||
176 | return SR_OK; | |
177 | } | |
178 | ||
179 | static int cleanup(const struct sr_dev_driver *di) | |
180 | { | |
181 | dev_clear(di); | |
182 | ||
183 | return SR_OK; | |
184 | } | |
185 | ||
186 | /** | |
187 | * Check which category a given channel group belongs to. | |
188 | * | |
189 | * @param devc Our internal device context. | |
190 | * @param cg The channel group to check. | |
191 | * | |
192 | * @retval CG_NONE cg is NULL | |
193 | * @retval CG_ANALOG cg is an analog group | |
194 | * @retval CG_DIGITAL cg is a digital group | |
195 | * @retval CG_INVALID cg is something else | |
196 | */ | |
197 | static int check_channel_group(struct dev_context *devc, | |
198 | const struct sr_channel_group *cg) | |
199 | { | |
200 | unsigned int i; | |
201 | const struct scope_config *model; | |
202 | ||
203 | model = devc->model_config; | |
204 | ||
205 | if (!cg) | |
206 | return CG_NONE; | |
207 | ||
208 | for (i = 0; i < model->analog_channels; i++) | |
209 | if (cg == devc->analog_groups[i]) | |
210 | return CG_ANALOG; | |
211 | ||
212 | for (i = 0; i < model->pods; i++) | |
213 | if (cg == devc->digital_groups[i]) | |
214 | return CG_DIGITAL; | |
215 | ||
216 | sr_err("Invalid channel group specified."); | |
217 | return CG_INVALID; | |
218 | } | |
219 | ||
220 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
221 | const struct sr_channel_group *cg) | |
222 | { | |
223 | int ret, cg_type; | |
224 | unsigned int i; | |
225 | struct dev_context *devc; | |
226 | const struct scope_config *model; | |
227 | struct scope_state *state; | |
228 | ||
229 | if (!sdi || !(devc = sdi->priv)) | |
230 | return SR_ERR_ARG; | |
231 | ||
232 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
233 | return SR_ERR; | |
234 | ||
235 | model = devc->model_config; | |
236 | state = devc->model_state; | |
237 | ||
238 | switch (key) { | |
239 | case SR_CONF_NUM_HDIV: | |
240 | *data = g_variant_new_int32(model->num_xdivs); | |
241 | ret = SR_OK; | |
242 | break; | |
243 | case SR_CONF_TIMEBASE: | |
244 | *data = g_variant_new("(tt)", | |
245 | dlm_timebases[state->timebase][0], | |
246 | dlm_timebases[state->timebase][1]); | |
247 | ret = SR_OK; | |
248 | break; | |
249 | case SR_CONF_NUM_VDIV: | |
250 | if (cg_type == CG_NONE) { | |
251 | sr_err("No channel group specified."); | |
252 | return SR_ERR_CHANNEL_GROUP; | |
253 | } else if (cg_type == CG_ANALOG) { | |
254 | *data = g_variant_new_int32(model->num_ydivs); | |
255 | ret = SR_OK; | |
256 | break; | |
257 | } else { | |
258 | ret = SR_ERR_NA; | |
259 | } | |
260 | break; | |
261 | case SR_CONF_VDIV: | |
262 | ret = SR_ERR_NA; | |
263 | if (cg_type == CG_NONE) { | |
264 | sr_err("No channel group specified."); | |
265 | return SR_ERR_CHANNEL_GROUP; | |
266 | } else if (cg_type != CG_ANALOG) | |
267 | break; | |
268 | ||
269 | for (i = 0; i < model->analog_channels; i++) { | |
270 | if (cg != devc->analog_groups[i]) | |
271 | continue; | |
272 | *data = g_variant_new("(tt)", | |
273 | dlm_vdivs[state->analog_states[i].vdiv][0], | |
274 | dlm_vdivs[state->analog_states[i].vdiv][1]); | |
275 | ret = SR_OK; | |
276 | break; | |
277 | } | |
278 | break; | |
279 | case SR_CONF_TRIGGER_SOURCE: | |
280 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
281 | ret = SR_OK; | |
282 | break; | |
283 | case SR_CONF_TRIGGER_SLOPE: | |
284 | *data = g_variant_new_string(dlm_trigger_slopes[state->trigger_slope]); | |
285 | ret = SR_OK; | |
286 | break; | |
287 | case SR_CONF_HORIZ_TRIGGERPOS: | |
288 | *data = g_variant_new_double(state->horiz_triggerpos); | |
289 | ret = SR_OK; | |
290 | break; | |
291 | case SR_CONF_COUPLING: | |
292 | ret = SR_ERR_NA; | |
293 | if (cg_type == CG_NONE) { | |
294 | sr_err("No channel group specified."); | |
295 | return SR_ERR_CHANNEL_GROUP; | |
296 | } else if (cg_type != CG_ANALOG) | |
297 | break; | |
298 | ||
299 | for (i = 0; i < model->analog_channels; i++) { | |
300 | if (cg != devc->analog_groups[i]) | |
301 | continue; | |
302 | *data = g_variant_new_string((*model->coupling_options)[state->analog_states[i].coupling]); | |
303 | ret = SR_OK; | |
304 | break; | |
305 | } | |
306 | break; | |
307 | case SR_CONF_SAMPLERATE: | |
308 | *data = g_variant_new_uint64(state->sample_rate); | |
309 | ret = SR_OK; | |
310 | break; | |
311 | default: | |
312 | ret = SR_ERR_NA; | |
313 | } | |
314 | ||
315 | return ret; | |
316 | } | |
317 | ||
318 | static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n) | |
319 | { | |
320 | unsigned int i; | |
321 | GVariant *rational[2]; | |
322 | GVariantBuilder gvb; | |
323 | ||
324 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
325 | ||
326 | for (i = 0; i < n; i++) { | |
327 | rational[0] = g_variant_new_uint64((*array)[i][0]); | |
328 | rational[1] = g_variant_new_uint64((*array)[i][1]); | |
329 | ||
330 | /* FIXME: Valgrind reports a memory leak here. */ | |
331 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
332 | } | |
333 | ||
334 | return g_variant_builder_end(&gvb); | |
335 | } | |
336 | ||
337 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
338 | const struct sr_channel_group *cg) | |
339 | { | |
340 | int ret, cg_type; | |
341 | unsigned int i, j; | |
342 | char float_str[30]; | |
343 | struct dev_context *devc; | |
344 | const struct scope_config *model; | |
345 | struct scope_state *state; | |
346 | const char *tmp; | |
347 | uint64_t p, q; | |
348 | double tmp_d; | |
349 | gboolean update_sample_rate; | |
350 | ||
351 | if (!sdi || !(devc = sdi->priv)) | |
352 | return SR_ERR_ARG; | |
353 | ||
354 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
355 | return SR_ERR; | |
356 | ||
357 | model = devc->model_config; | |
358 | state = devc->model_state; | |
359 | update_sample_rate = FALSE; | |
360 | ||
361 | ret = SR_ERR_NA; | |
362 | ||
363 | switch (key) { | |
364 | case SR_CONF_LIMIT_FRAMES: | |
365 | devc->frame_limit = g_variant_get_uint64(data); | |
366 | ret = SR_OK; | |
367 | break; | |
368 | case SR_CONF_TRIGGER_SOURCE: | |
369 | tmp = g_variant_get_string(data, NULL); | |
370 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
371 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
372 | continue; | |
373 | state->trigger_source = i; | |
374 | /* TODO: A and B trigger support possible? */ | |
375 | ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]); | |
376 | break; | |
377 | } | |
378 | break; | |
379 | case SR_CONF_VDIV: | |
380 | if (cg_type == CG_NONE) { | |
381 | sr_err("No channel group specified."); | |
382 | return SR_ERR_CHANNEL_GROUP; | |
383 | } | |
384 | ||
385 | g_variant_get(data, "(tt)", &p, &q); | |
386 | ||
387 | for (i = 0; i < ARRAY_SIZE(dlm_vdivs); i++) { | |
388 | if (p != dlm_vdivs[i][0] || | |
389 | q != dlm_vdivs[i][1]) | |
390 | continue; | |
391 | for (j = 1; j <= model->analog_channels; j++) { | |
392 | if (cg != devc->analog_groups[j - 1]) | |
393 | continue; | |
394 | state->analog_states[j - 1].vdiv = i; | |
395 | g_ascii_formatd(float_str, sizeof(float_str), | |
396 | "%E", (float) p / q); | |
397 | if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK || | |
398 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
399 | return SR_ERR; | |
400 | ||
401 | break; | |
402 | } | |
403 | ||
404 | ret = SR_OK; | |
405 | break; | |
406 | } | |
407 | break; | |
408 | case SR_CONF_TIMEBASE: | |
409 | g_variant_get(data, "(tt)", &p, &q); | |
410 | ||
411 | for (i = 0; i < ARRAY_SIZE(dlm_timebases); i++) { | |
412 | if (p != dlm_timebases[i][0] || | |
413 | q != dlm_timebases[i][1]) | |
414 | continue; | |
415 | state->timebase = i; | |
416 | g_ascii_formatd(float_str, sizeof(float_str), | |
417 | "%E", (float) p / q); | |
418 | ret = dlm_timebase_set(sdi->conn, float_str); | |
419 | update_sample_rate = TRUE; | |
420 | break; | |
421 | } | |
422 | break; | |
423 | case SR_CONF_HORIZ_TRIGGERPOS: | |
424 | tmp_d = g_variant_get_double(data); | |
425 | ||
426 | /* TODO: Check if the calculation makes sense for the DLM. */ | |
427 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
428 | return SR_ERR; | |
429 | ||
430 | state->horiz_triggerpos = tmp_d; | |
431 | tmp_d = -(tmp_d - 0.5) * | |
432 | ((double) dlm_timebases[state->timebase][0] / | |
433 | dlm_timebases[state->timebase][1]) | |
434 | * model->num_xdivs; | |
435 | ||
436 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); | |
437 | ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str); | |
438 | break; | |
439 | case SR_CONF_TRIGGER_SLOPE: | |
440 | tmp = g_variant_get_string(data, NULL); | |
441 | ||
442 | if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r')) | |
443 | return SR_ERR_ARG; | |
444 | ||
445 | /* Note: See dlm_trigger_slopes[] in protocol.c. */ | |
446 | state->trigger_slope = (tmp[0] == 'r') ? | |
447 | SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
448 | ||
449 | ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope); | |
450 | break; | |
451 | case SR_CONF_COUPLING: | |
452 | if (cg_type == CG_NONE) { | |
453 | sr_err("No channel group specified."); | |
454 | return SR_ERR_CHANNEL_GROUP; | |
455 | } | |
456 | ||
457 | tmp = g_variant_get_string(data, NULL); | |
458 | ||
459 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
460 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
461 | continue; | |
462 | for (j = 1; j <= model->analog_channels; j++) { | |
463 | if (cg != devc->analog_groups[j - 1]) | |
464 | continue; | |
465 | state->analog_states[j-1].coupling = i; | |
466 | ||
467 | if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != SR_OK || | |
468 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
469 | return SR_ERR; | |
470 | break; | |
471 | } | |
472 | ||
473 | ret = SR_OK; | |
474 | break; | |
475 | } | |
476 | break; | |
477 | default: | |
478 | ret = SR_ERR_NA; | |
479 | break; | |
480 | } | |
481 | ||
482 | if (ret == SR_OK) | |
483 | ret = sr_scpi_get_opc(sdi->conn); | |
484 | ||
485 | if (ret == SR_OK && update_sample_rate) | |
486 | ret = dlm_sample_rate_query(sdi); | |
487 | ||
488 | return ret; | |
489 | } | |
490 | ||
491 | static int config_channel_set(const struct sr_dev_inst *sdi, | |
492 | struct sr_channel *ch, unsigned int changes) | |
493 | { | |
494 | /* Currently we only handle SR_CHANNEL_SET_ENABLED. */ | |
495 | if (changes != SR_CHANNEL_SET_ENABLED) | |
496 | return SR_ERR_NA; | |
497 | ||
498 | return dlm_channel_state_set(sdi, ch->index, ch->enabled); | |
499 | } | |
500 | ||
501 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
502 | const struct sr_channel_group *cg) | |
503 | { | |
504 | int cg_type = CG_NONE; | |
505 | struct dev_context *devc = NULL; | |
506 | const struct scope_config *model = NULL; | |
507 | ||
508 | /* SR_CONF_SCAN_OPTIONS is always valid, regardless of sdi or probe group. */ | |
509 | if (key == SR_CONF_SCAN_OPTIONS) { | |
510 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
511 | dlm_scanopts, ARRAY_SIZE(dlm_scanopts), sizeof(uint32_t)); | |
512 | return SR_OK; | |
513 | } | |
514 | ||
515 | /* If sdi is NULL, nothing except SR_CONF_DEVICE_OPTIONS can be provided. */ | |
516 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
517 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
518 | dlm_drvopts, ARRAY_SIZE(dlm_drvopts), sizeof(uint32_t)); | |
519 | return SR_OK; | |
520 | } | |
521 | ||
522 | if (!sdi) | |
523 | return SR_ERR_ARG; | |
524 | ||
525 | devc = sdi->priv; | |
526 | model = devc->model_config; | |
527 | ||
528 | /* | |
529 | * If cg is NULL, only the SR_CONF_DEVICE_OPTIONS that are not | |
530 | * specific to a probe group must be returned. | |
531 | */ | |
532 | if (!cg) { | |
533 | switch (key) { | |
534 | case SR_CONF_DEVICE_OPTIONS: | |
535 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
536 | dlm_devopts, ARRAY_SIZE(dlm_devopts), sizeof(uint32_t)); | |
537 | return SR_OK; | |
538 | case SR_CONF_TIMEBASE: | |
539 | *data = build_tuples(&dlm_timebases, ARRAY_SIZE(dlm_timebases)); | |
540 | return SR_OK; | |
541 | case SR_CONF_TRIGGER_SOURCE: | |
542 | if (!model) | |
543 | return SR_ERR_ARG; | |
544 | *data = g_variant_new_strv(*model->trigger_sources, | |
545 | g_strv_length((char **)*model->trigger_sources)); | |
546 | return SR_OK; | |
547 | case SR_CONF_TRIGGER_SLOPE: | |
548 | *data = g_variant_new_strv(dlm_trigger_slopes, | |
549 | g_strv_length((char **)dlm_trigger_slopes)); | |
550 | return SR_OK; | |
551 | case SR_CONF_NUM_HDIV: | |
552 | *data = g_variant_new_uint32(model->num_xdivs); | |
553 | return SR_OK; | |
554 | default: | |
555 | return SR_ERR_NA; | |
556 | } | |
557 | } | |
558 | ||
559 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
560 | return SR_ERR; | |
561 | ||
562 | switch (key) { | |
563 | case SR_CONF_DEVICE_OPTIONS: | |
564 | if (cg_type == CG_ANALOG) { | |
565 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
566 | dlm_analog_devopts, ARRAY_SIZE(dlm_analog_devopts), sizeof(uint32_t)); | |
567 | } else if (cg_type == CG_DIGITAL) { | |
568 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
569 | dlm_digital_devopts, ARRAY_SIZE(dlm_digital_devopts), sizeof(uint32_t)); | |
570 | } else { | |
571 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
572 | NULL, 0, sizeof(uint32_t)); | |
573 | } | |
574 | break; | |
575 | case SR_CONF_COUPLING: | |
576 | if (cg_type == CG_NONE) | |
577 | return SR_ERR_CHANNEL_GROUP; | |
578 | *data = g_variant_new_strv(*model->coupling_options, | |
579 | g_strv_length((char **)*model->coupling_options)); | |
580 | break; | |
581 | case SR_CONF_VDIV: | |
582 | if (cg_type == CG_NONE) | |
583 | return SR_ERR_CHANNEL_GROUP; | |
584 | *data = build_tuples(&dlm_vdivs, ARRAY_SIZE(dlm_vdivs)); | |
585 | break; | |
586 | default: | |
587 | return SR_ERR_NA; | |
588 | } | |
589 | ||
590 | return SR_OK; | |
591 | } | |
592 | ||
593 | static int dlm_check_channels(GSList *channels) | |
594 | { | |
595 | GSList *l; | |
596 | struct sr_channel *ch; | |
597 | gboolean enabled_pod1, enabled_chan4; | |
598 | ||
599 | enabled_pod1 = enabled_chan4 = FALSE; | |
600 | ||
601 | /* Note: On the DLM2000, CH4 and Logic are shared. */ | |
602 | /* TODO Handle non-DLM2000 models. */ | |
603 | for (l = channels; l; l = l->next) { | |
604 | ch = l->data; | |
605 | switch (ch->type) { | |
606 | case SR_CHANNEL_ANALOG: | |
607 | if (ch->index == 3) | |
608 | enabled_chan4 = TRUE; | |
609 | break; | |
610 | case SR_CHANNEL_LOGIC: | |
611 | enabled_pod1 = TRUE; | |
612 | break; | |
613 | default: | |
614 | return SR_ERR; | |
615 | } | |
616 | } | |
617 | ||
618 | if (enabled_pod1 && enabled_chan4) | |
619 | return SR_ERR; | |
620 | ||
621 | return SR_OK; | |
622 | } | |
623 | ||
624 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
625 | { | |
626 | GSList *l; | |
627 | gboolean digital_added; | |
628 | struct sr_channel *ch; | |
629 | struct dev_context *devc; | |
630 | struct sr_scpi_dev_inst *scpi; | |
631 | ||
632 | (void)cb_data; | |
633 | ||
634 | if (sdi->status != SR_ST_ACTIVE) | |
635 | return SR_ERR_DEV_CLOSED; | |
636 | ||
637 | scpi = sdi->conn; | |
638 | devc = sdi->priv; | |
639 | digital_added = FALSE; | |
640 | ||
641 | g_slist_free(devc->enabled_channels); | |
642 | devc->enabled_channels = NULL; | |
643 | ||
644 | for (l = sdi->channels; l; l = l->next) { | |
645 | ch = l->data; | |
646 | if (!ch->enabled) | |
647 | continue; | |
648 | /* Only add a single digital channel. */ | |
649 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added) { | |
650 | devc->enabled_channels = g_slist_append( | |
651 | devc->enabled_channels, ch); | |
652 | if (ch->type == SR_CHANNEL_LOGIC) | |
653 | digital_added = TRUE; | |
654 | } | |
655 | } | |
656 | ||
657 | if (!devc->enabled_channels) | |
658 | return SR_ERR; | |
659 | ||
660 | if (dlm_check_channels(devc->enabled_channels) != SR_OK) { | |
661 | sr_err("Invalid channel configuration specified!"); | |
662 | return SR_ERR_NA; | |
663 | } | |
664 | ||
665 | /* Request data for the first enabled channel. */ | |
666 | devc->current_channel = devc->enabled_channels; | |
667 | dlm_channel_data_request(sdi); | |
668 | ||
669 | /* Call our callback when data comes in or after 5ms. */ | |
670 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 5, | |
671 | dlm_data_receive, (void *)sdi); | |
672 | ||
673 | return SR_OK; | |
674 | } | |
675 | ||
676 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
677 | { | |
678 | struct dev_context *devc; | |
679 | struct sr_datafeed_packet packet; | |
680 | ||
681 | (void)cb_data; | |
682 | ||
683 | packet.type = SR_DF_END; | |
684 | packet.payload = NULL; | |
685 | sr_session_send(sdi, &packet); | |
686 | ||
687 | if (sdi->status != SR_ST_ACTIVE) | |
688 | return SR_ERR_DEV_CLOSED; | |
689 | ||
690 | devc = sdi->priv; | |
691 | ||
692 | devc->num_frames = 0; | |
693 | g_slist_free(devc->enabled_channels); | |
694 | devc->enabled_channels = NULL; | |
695 | ||
696 | sr_scpi_source_remove(sdi->session, sdi->conn); | |
697 | ||
698 | return SR_OK; | |
699 | } | |
700 | ||
701 | SR_PRIV struct sr_dev_driver yokogawa_dlm_driver_info = { | |
702 | .name = "yokogawa-dlm", | |
703 | .longname = "Yokogawa DL/DLM", | |
704 | .api_version = 1, | |
705 | .init = init, | |
706 | .cleanup = cleanup, | |
707 | .scan = scan, | |
708 | .dev_list = dev_list, | |
709 | .dev_clear = dev_clear, | |
710 | .config_get = config_get, | |
711 | .config_set = config_set, | |
712 | .config_channel_set = config_channel_set, | |
713 | .config_list = config_list, | |
714 | .dev_open = dev_open, | |
715 | .dev_close = dev_close, | |
716 | .dev_acquisition_start = dev_acquisition_start, | |
717 | .dev_acquisition_stop = dev_acquisition_stop, | |
718 | .context = NULL, | |
719 | }; |