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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com> | |
5 | * Copyright (C) 2018 Guido Trentalancia <guido@trentalancia.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 hameg_hmo_driver_info; | |
27 | ||
28 | static const char *manufacturers[] = { | |
29 | "HAMEG", | |
30 | "Rohde&Schwarz", | |
31 | }; | |
32 | ||
33 | static const uint32_t scanopts[] = { | |
34 | SR_CONF_CONN, | |
35 | SR_CONF_SERIALCOMM, | |
36 | }; | |
37 | ||
38 | static const uint32_t drvopts[] = { | |
39 | SR_CONF_OSCILLOSCOPE, | |
40 | SR_CONF_LOGIC_ANALYZER, | |
41 | }; | |
42 | ||
43 | enum { | |
44 | CG_INVALID = -1, | |
45 | CG_NONE, | |
46 | CG_ANALOG, | |
47 | CG_DIGITAL, | |
48 | }; | |
49 | ||
50 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) | |
51 | { | |
52 | struct sr_dev_inst *sdi; | |
53 | struct dev_context *devc; | |
54 | struct sr_scpi_hw_info *hw_info; | |
55 | ||
56 | sdi = NULL; | |
57 | devc = NULL; | |
58 | hw_info = NULL; | |
59 | ||
60 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
61 | sr_info("Couldn't get IDN response."); | |
62 | goto fail; | |
63 | } | |
64 | ||
65 | if (std_str_idx_s(hw_info->manufacturer, ARRAY_AND_SIZE(manufacturers)) < 0) | |
66 | goto fail; | |
67 | ||
68 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
69 | sdi->vendor = g_strdup(hw_info->manufacturer); | |
70 | sdi->model = g_strdup(hw_info->model); | |
71 | sdi->version = g_strdup(hw_info->firmware_version); | |
72 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
73 | sdi->driver = &hameg_hmo_driver_info; | |
74 | sdi->inst_type = SR_INST_SCPI; | |
75 | sdi->conn = scpi; | |
76 | ||
77 | sr_scpi_hw_info_free(hw_info); | |
78 | hw_info = NULL; | |
79 | ||
80 | devc = g_malloc0(sizeof(struct dev_context)); | |
81 | ||
82 | sdi->priv = devc; | |
83 | ||
84 | if (hmo_init_device(sdi) != SR_OK) | |
85 | goto fail; | |
86 | ||
87 | return sdi; | |
88 | ||
89 | fail: | |
90 | sr_scpi_hw_info_free(hw_info); | |
91 | sr_dev_inst_free(sdi); | |
92 | g_free(devc); | |
93 | ||
94 | return NULL; | |
95 | } | |
96 | ||
97 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
98 | { | |
99 | return sr_scpi_scan(di->context, options, probe_device); | |
100 | } | |
101 | ||
102 | static void clear_helper(struct dev_context *devc) | |
103 | { | |
104 | hmo_scope_state_free(devc->model_state); | |
105 | g_free(devc->analog_groups); | |
106 | g_free(devc->digital_groups); | |
107 | } | |
108 | ||
109 | static int dev_clear(const struct sr_dev_driver *di) | |
110 | { | |
111 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); | |
112 | } | |
113 | ||
114 | static int dev_open(struct sr_dev_inst *sdi) | |
115 | { | |
116 | if (sr_scpi_open(sdi->conn) != SR_OK) | |
117 | return SR_ERR; | |
118 | ||
119 | if (hmo_scope_state_get(sdi) != SR_OK) | |
120 | return SR_ERR; | |
121 | ||
122 | return SR_OK; | |
123 | } | |
124 | ||
125 | static int dev_close(struct sr_dev_inst *sdi) | |
126 | { | |
127 | return sr_scpi_close(sdi->conn); | |
128 | } | |
129 | ||
130 | static int check_channel_group(struct dev_context *devc, | |
131 | const struct sr_channel_group *cg) | |
132 | { | |
133 | const struct scope_config *model; | |
134 | ||
135 | model = devc->model_config; | |
136 | ||
137 | if (!cg) | |
138 | return CG_NONE; | |
139 | ||
140 | if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) >= 0) | |
141 | return CG_ANALOG; | |
142 | ||
143 | if (std_cg_idx(cg, devc->digital_groups, model->digital_pods) >= 0) | |
144 | return CG_DIGITAL; | |
145 | ||
146 | sr_err("Invalid channel group specified."); | |
147 | ||
148 | return CG_INVALID; | |
149 | } | |
150 | ||
151 | static int config_get(uint32_t key, GVariant **data, | |
152 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
153 | { | |
154 | int cg_type, idx, i; | |
155 | struct dev_context *devc; | |
156 | const struct scope_config *model; | |
157 | struct scope_state *state; | |
158 | ||
159 | if (!sdi) | |
160 | return SR_ERR_ARG; | |
161 | ||
162 | devc = sdi->priv; | |
163 | ||
164 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
165 | return SR_ERR; | |
166 | ||
167 | model = devc->model_config; | |
168 | state = devc->model_state; | |
169 | ||
170 | switch (key) { | |
171 | case SR_CONF_NUM_HDIV: | |
172 | *data = g_variant_new_int32(model->num_xdivs); | |
173 | break; | |
174 | case SR_CONF_TIMEBASE: | |
175 | *data = g_variant_new("(tt)", (*model->timebases)[state->timebase][0], | |
176 | (*model->timebases)[state->timebase][1]); | |
177 | break; | |
178 | case SR_CONF_NUM_VDIV: | |
179 | if (!cg) | |
180 | return SR_ERR_CHANNEL_GROUP; | |
181 | if (cg_type != CG_ANALOG) | |
182 | return SR_ERR_NA; | |
183 | if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) < 0) | |
184 | return SR_ERR_ARG; | |
185 | *data = g_variant_new_int32(model->num_ydivs); | |
186 | break; | |
187 | case SR_CONF_VDIV: | |
188 | if (!cg) | |
189 | return SR_ERR_CHANNEL_GROUP; | |
190 | if (cg_type != CG_ANALOG) | |
191 | return SR_ERR_NA; | |
192 | if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) | |
193 | return SR_ERR_ARG; | |
194 | *data = g_variant_new("(tt)", | |
195 | (*model->vdivs)[state->analog_channels[idx].vdiv][0], | |
196 | (*model->vdivs)[state->analog_channels[idx].vdiv][1]); | |
197 | break; | |
198 | case SR_CONF_TRIGGER_SOURCE: | |
199 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
200 | break; | |
201 | case SR_CONF_TRIGGER_SLOPE: | |
202 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
203 | break; | |
204 | case SR_CONF_TRIGGER_PATTERN: | |
205 | *data = g_variant_new_string(state->trigger_pattern); | |
206 | break; | |
207 | case SR_CONF_HIGH_RESOLUTION: | |
208 | *data = g_variant_new_boolean(state->high_resolution); | |
209 | break; | |
210 | case SR_CONF_PEAK_DETECTION: | |
211 | *data = g_variant_new_boolean(state->peak_detection); | |
212 | break; | |
213 | case SR_CONF_HORIZ_TRIGGERPOS: | |
214 | *data = g_variant_new_double(state->horiz_triggerpos); | |
215 | break; | |
216 | case SR_CONF_COUPLING: | |
217 | if (!cg) | |
218 | return SR_ERR_CHANNEL_GROUP; | |
219 | if (cg_type != CG_ANALOG) | |
220 | return SR_ERR_NA; | |
221 | if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) | |
222 | return SR_ERR_ARG; | |
223 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[idx].coupling]); | |
224 | break; | |
225 | case SR_CONF_SAMPLERATE: | |
226 | *data = g_variant_new_uint64(state->sample_rate); | |
227 | break; | |
228 | case SR_CONF_LOGIC_THRESHOLD: | |
229 | if (!cg) | |
230 | return SR_ERR_CHANNEL_GROUP; | |
231 | if (cg_type != CG_DIGITAL) | |
232 | return SR_ERR_NA; | |
233 | if (!model) | |
234 | return SR_ERR_ARG; | |
235 | if ((idx = std_cg_idx(cg, devc->digital_groups, model->digital_pods)) < 0) | |
236 | return SR_ERR_ARG; | |
237 | *data = g_variant_new_string((*model->logic_threshold)[state->digital_pods[idx].threshold]); | |
238 | break; | |
239 | case SR_CONF_LOGIC_THRESHOLD_CUSTOM: | |
240 | if (!cg) | |
241 | return SR_ERR_CHANNEL_GROUP; | |
242 | if (cg_type != CG_DIGITAL) | |
243 | return SR_ERR_NA; | |
244 | if (!model) | |
245 | return SR_ERR_ARG; | |
246 | if ((idx = std_cg_idx(cg, devc->digital_groups, model->digital_pods)) < 0) | |
247 | return SR_ERR_ARG; | |
248 | /* Check if the oscilloscope is currently in custom threshold mode. */ | |
249 | for (i = 0; i < model->num_logic_threshold; i++) { | |
250 | if (!strcmp("USER2", (*model->logic_threshold)[i])) | |
251 | if (strcmp("USER2", (*model->logic_threshold)[state->digital_pods[idx].threshold])) | |
252 | return SR_ERR_NA; | |
253 | if (!strcmp("USER", (*model->logic_threshold)[i])) | |
254 | if (strcmp("USER", (*model->logic_threshold)[state->digital_pods[idx].threshold])) | |
255 | return SR_ERR_NA; | |
256 | if (!strcmp("MAN", (*model->logic_threshold)[i])) | |
257 | if (strcmp("MAN", (*model->logic_threshold)[state->digital_pods[idx].threshold])) | |
258 | return SR_ERR_NA; | |
259 | } | |
260 | *data = g_variant_new_double(state->digital_pods[idx].user_threshold); | |
261 | break; | |
262 | case SR_CONF_LIMIT_FRAMES: | |
263 | *data = g_variant_new_uint64(devc->frame_limit); | |
264 | break; | |
265 | default: | |
266 | return SR_ERR_NA; | |
267 | } | |
268 | ||
269 | return SR_OK; | |
270 | } | |
271 | ||
272 | static int config_set(uint32_t key, GVariant *data, | |
273 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
274 | { | |
275 | int ret, cg_type, idx, i, j; | |
276 | char command[MAX_COMMAND_SIZE], command2[MAX_COMMAND_SIZE]; | |
277 | char float_str[30], *tmp_str; | |
278 | struct dev_context *devc; | |
279 | const struct scope_config *model; | |
280 | struct scope_state *state; | |
281 | double tmp_d, tmp_d2; | |
282 | gboolean update_sample_rate, tmp_bool; | |
283 | ||
284 | if (!sdi) | |
285 | return SR_ERR_ARG; | |
286 | ||
287 | devc = sdi->priv; | |
288 | ||
289 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
290 | return SR_ERR; | |
291 | ||
292 | model = devc->model_config; | |
293 | state = devc->model_state; | |
294 | update_sample_rate = FALSE; | |
295 | ||
296 | switch (key) { | |
297 | case SR_CONF_LIMIT_SAMPLES: | |
298 | devc->samples_limit = g_variant_get_uint64(data); | |
299 | ret = SR_OK; | |
300 | break; | |
301 | case SR_CONF_LIMIT_FRAMES: | |
302 | devc->frame_limit = g_variant_get_uint64(data); | |
303 | ret = SR_OK; | |
304 | break; | |
305 | case SR_CONF_VDIV: | |
306 | if (!cg) | |
307 | return SR_ERR_CHANNEL_GROUP; | |
308 | if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0) | |
309 | return SR_ERR_ARG; | |
310 | if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) | |
311 | return SR_ERR_ARG; | |
312 | g_ascii_formatd(float_str, sizeof(float_str), "%E", | |
313 | (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]); | |
314 | g_snprintf(command, sizeof(command), | |
315 | (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_SCALE], | |
316 | j + 1, float_str); | |
317 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
318 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
319 | return SR_ERR; | |
320 | state->analog_channels[j].vdiv = idx; | |
321 | ret = SR_OK; | |
322 | break; | |
323 | case SR_CONF_TIMEBASE: | |
324 | if ((idx = std_u64_tuple_idx(data, *model->timebases, model->num_timebases)) < 0) | |
325 | return SR_ERR_ARG; | |
326 | g_ascii_formatd(float_str, sizeof(float_str), "%E", | |
327 | (float) (*model->timebases)[idx][0] / (*model->timebases)[idx][1]); | |
328 | g_snprintf(command, sizeof(command), | |
329 | (*model->scpi_dialect)[SCPI_CMD_SET_TIMEBASE], | |
330 | float_str); | |
331 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
332 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
333 | return SR_ERR; | |
334 | state->timebase = idx; | |
335 | ret = SR_OK; | |
336 | update_sample_rate = TRUE; | |
337 | break; | |
338 | case SR_CONF_HORIZ_TRIGGERPOS: | |
339 | tmp_d = g_variant_get_double(data); | |
340 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
341 | return SR_ERR; | |
342 | tmp_d2 = -(tmp_d - 0.5) * | |
343 | ((double) (*model->timebases)[state->timebase][0] / | |
344 | (*model->timebases)[state->timebase][1]) | |
345 | * model->num_xdivs; | |
346 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d2); | |
347 | g_snprintf(command, sizeof(command), | |
348 | (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS], | |
349 | float_str); | |
350 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
351 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
352 | return SR_ERR; | |
353 | state->horiz_triggerpos = tmp_d; | |
354 | ret = SR_OK; | |
355 | break; | |
356 | case SR_CONF_TRIGGER_SOURCE: | |
357 | if ((idx = std_str_idx(data, *model->trigger_sources, model->num_trigger_sources)) < 0) | |
358 | return SR_ERR_ARG; | |
359 | g_snprintf(command, sizeof(command), | |
360 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE], | |
361 | (*model->trigger_sources)[idx]); | |
362 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
363 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
364 | return SR_ERR; | |
365 | state->trigger_source = idx; | |
366 | ret = SR_OK; | |
367 | break; | |
368 | case SR_CONF_TRIGGER_SLOPE: | |
369 | if ((idx = std_str_idx(data, *model->trigger_slopes, model->num_trigger_slopes)) < 0) | |
370 | return SR_ERR_ARG; | |
371 | g_snprintf(command, sizeof(command), | |
372 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE], | |
373 | (*model->trigger_slopes)[idx]); | |
374 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
375 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
376 | return SR_ERR; | |
377 | state->trigger_slope = idx; | |
378 | ret = SR_OK; | |
379 | break; | |
380 | case SR_CONF_TRIGGER_PATTERN: | |
381 | tmp_str = (char *)g_variant_get_string(data, 0); | |
382 | idx = strlen(tmp_str); | |
383 | if (idx == 0 || idx > model->analog_channels + model->digital_channels) | |
384 | return SR_ERR_ARG; | |
385 | g_snprintf(command, sizeof(command), | |
386 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_PATTERN], | |
387 | tmp_str); | |
388 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
389 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
390 | return SR_ERR; | |
391 | strncpy(state->trigger_pattern, | |
392 | tmp_str, | |
393 | MAX_ANALOG_CHANNEL_COUNT + MAX_DIGITAL_CHANNEL_COUNT); | |
394 | ret = SR_OK; | |
395 | break; | |
396 | case SR_CONF_HIGH_RESOLUTION: | |
397 | tmp_bool = g_variant_get_boolean(data); | |
398 | g_snprintf(command, sizeof(command), | |
399 | (*model->scpi_dialect)[SCPI_CMD_SET_HIGH_RESOLUTION], | |
400 | tmp_bool ? "AUTO" : "OFF"); | |
401 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
402 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
403 | return SR_ERR; | |
404 | /* High Resolution mode automatically switches off Peak Detection. */ | |
405 | if (tmp_bool) { | |
406 | g_snprintf(command, sizeof(command), | |
407 | (*model->scpi_dialect)[SCPI_CMD_SET_PEAK_DETECTION], | |
408 | "OFF"); | |
409 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
410 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
411 | return SR_ERR; | |
412 | state->peak_detection = FALSE; | |
413 | } | |
414 | state->high_resolution = tmp_bool; | |
415 | ret = SR_OK; | |
416 | break; | |
417 | case SR_CONF_PEAK_DETECTION: | |
418 | tmp_bool = g_variant_get_boolean(data); | |
419 | g_snprintf(command, sizeof(command), | |
420 | (*model->scpi_dialect)[SCPI_CMD_SET_PEAK_DETECTION], | |
421 | tmp_bool ? "AUTO" : "OFF"); | |
422 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
423 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
424 | return SR_ERR; | |
425 | /* Peak Detection automatically switches off High Resolution mode. */ | |
426 | if (tmp_bool) { | |
427 | g_snprintf(command, sizeof(command), | |
428 | (*model->scpi_dialect)[SCPI_CMD_SET_HIGH_RESOLUTION], | |
429 | "OFF"); | |
430 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
431 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
432 | return SR_ERR; | |
433 | state->high_resolution = FALSE; | |
434 | } | |
435 | state->peak_detection = tmp_bool; | |
436 | ret = SR_OK; | |
437 | break; | |
438 | case SR_CONF_COUPLING: | |
439 | if (!cg) | |
440 | return SR_ERR_CHANNEL_GROUP; | |
441 | if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0) | |
442 | return SR_ERR_ARG; | |
443 | if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) | |
444 | return SR_ERR_ARG; | |
445 | g_snprintf(command, sizeof(command), | |
446 | (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING], | |
447 | j + 1, (*model->coupling_options)[idx]); | |
448 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
449 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
450 | return SR_ERR; | |
451 | state->analog_channels[j].coupling = idx; | |
452 | ret = SR_OK; | |
453 | break; | |
454 | case SR_CONF_LOGIC_THRESHOLD: | |
455 | if (!cg) | |
456 | return SR_ERR_CHANNEL_GROUP; | |
457 | if (cg_type != CG_DIGITAL) | |
458 | return SR_ERR_NA; | |
459 | if (!model) | |
460 | return SR_ERR_ARG; | |
461 | if ((idx = std_str_idx(data, *model->logic_threshold, model->num_logic_threshold)) < 0) | |
462 | return SR_ERR_ARG; | |
463 | if ((j = std_cg_idx(cg, devc->digital_groups, model->digital_pods)) < 0) | |
464 | return SR_ERR_ARG; | |
465 | /* Check if the threshold command is based on the POD or digital channel index. */ | |
466 | if (model->logic_threshold_for_pod) | |
467 | i = j + 1; | |
468 | else | |
469 | i = j * DIGITAL_CHANNELS_PER_POD; | |
470 | g_snprintf(command, sizeof(command), | |
471 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_THRESHOLD], | |
472 | i, (*model->logic_threshold)[idx]); | |
473 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
474 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
475 | return SR_ERR; | |
476 | state->digital_pods[j].threshold = idx; | |
477 | ret = SR_OK; | |
478 | break; | |
479 | case SR_CONF_LOGIC_THRESHOLD_CUSTOM: | |
480 | if (!cg) | |
481 | return SR_ERR_CHANNEL_GROUP; | |
482 | if (cg_type != CG_DIGITAL) | |
483 | return SR_ERR_NA; | |
484 | if (!model) | |
485 | return SR_ERR_ARG; | |
486 | if ((j = std_cg_idx(cg, devc->digital_groups, model->digital_pods)) < 0) | |
487 | return SR_ERR_ARG; | |
488 | tmp_d = g_variant_get_double(data); | |
489 | if (tmp_d < -2.0 || tmp_d > 8.0) | |
490 | return SR_ERR; | |
491 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); | |
492 | /* Check if the threshold command is based on the POD or digital channel index. */ | |
493 | if (model->logic_threshold_for_pod) | |
494 | idx = j + 1; | |
495 | else | |
496 | idx = j * DIGITAL_CHANNELS_PER_POD; | |
497 | /* Try to support different dialects exhaustively. */ | |
498 | for (i = 0; i < model->num_logic_threshold; i++) { | |
499 | if (!strcmp("USER2", (*model->logic_threshold)[i])) { | |
500 | g_snprintf(command, sizeof(command), | |
501 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_USER_THRESHOLD], | |
502 | idx, 2, float_str); /* USER2 */ | |
503 | g_snprintf(command2, sizeof(command2), | |
504 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_THRESHOLD], | |
505 | idx, "USER2"); | |
506 | break; | |
507 | } | |
508 | if (!strcmp("USER", (*model->logic_threshold)[i])) { | |
509 | g_snprintf(command, sizeof(command), | |
510 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_USER_THRESHOLD], | |
511 | idx, float_str); | |
512 | g_snprintf(command2, sizeof(command2), | |
513 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_THRESHOLD], | |
514 | idx, "USER"); | |
515 | break; | |
516 | } | |
517 | if (!strcmp("MAN", (*model->logic_threshold)[i])) { | |
518 | g_snprintf(command, sizeof(command), | |
519 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_USER_THRESHOLD], | |
520 | idx, float_str); | |
521 | g_snprintf(command2, sizeof(command2), | |
522 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_THRESHOLD], | |
523 | idx, "MAN"); | |
524 | break; | |
525 | } | |
526 | } | |
527 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
528 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
529 | return SR_ERR; | |
530 | if (sr_scpi_send(sdi->conn, command2) != SR_OK || | |
531 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
532 | return SR_ERR; | |
533 | state->digital_pods[j].user_threshold = tmp_d; | |
534 | ret = SR_OK; | |
535 | break; | |
536 | default: | |
537 | ret = SR_ERR_NA; | |
538 | break; | |
539 | } | |
540 | ||
541 | if (ret == SR_OK && update_sample_rate) | |
542 | ret = hmo_update_sample_rate(sdi); | |
543 | ||
544 | return ret; | |
545 | } | |
546 | ||
547 | static int config_list(uint32_t key, GVariant **data, | |
548 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
549 | { | |
550 | int cg_type = CG_NONE; | |
551 | struct dev_context *devc = NULL; | |
552 | const struct scope_config *model = NULL; | |
553 | ||
554 | if (sdi) { | |
555 | devc = sdi->priv; | |
556 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) | |
557 | return SR_ERR; | |
558 | ||
559 | model = devc->model_config; | |
560 | } | |
561 | ||
562 | switch (key) { | |
563 | case SR_CONF_SCAN_OPTIONS: | |
564 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(scanopts)); | |
565 | break; | |
566 | case SR_CONF_DEVICE_OPTIONS: | |
567 | if (!cg) { | |
568 | if (model) | |
569 | *data = std_gvar_array_u32(*model->devopts, model->num_devopts); | |
570 | else | |
571 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(drvopts)); | |
572 | } else if (cg_type == CG_ANALOG) { | |
573 | *data = std_gvar_array_u32(*model->devopts_cg_analog, model->num_devopts_cg_analog); | |
574 | } else if (cg_type == CG_DIGITAL) { | |
575 | *data = std_gvar_array_u32(*model->devopts_cg_digital, model->num_devopts_cg_digital); | |
576 | } else { | |
577 | *data = std_gvar_array_u32(NULL, 0); | |
578 | } | |
579 | break; | |
580 | case SR_CONF_COUPLING: | |
581 | if (!cg) | |
582 | return SR_ERR_CHANNEL_GROUP; | |
583 | if (!model) | |
584 | return SR_ERR_ARG; | |
585 | *data = g_variant_new_strv(*model->coupling_options, model->num_coupling_options); | |
586 | break; | |
587 | case SR_CONF_TRIGGER_SOURCE: | |
588 | if (!model) | |
589 | return SR_ERR_ARG; | |
590 | *data = g_variant_new_strv(*model->trigger_sources, model->num_trigger_sources); | |
591 | break; | |
592 | case SR_CONF_TRIGGER_SLOPE: | |
593 | if (!model) | |
594 | return SR_ERR_ARG; | |
595 | *data = g_variant_new_strv(*model->trigger_slopes, model->num_trigger_slopes); | |
596 | break; | |
597 | case SR_CONF_TIMEBASE: | |
598 | if (!model) | |
599 | return SR_ERR_ARG; | |
600 | *data = std_gvar_tuple_array(*model->timebases, model->num_timebases); | |
601 | break; | |
602 | case SR_CONF_VDIV: | |
603 | if (!cg) | |
604 | return SR_ERR_CHANNEL_GROUP; | |
605 | if (!model) | |
606 | return SR_ERR_ARG; | |
607 | *data = std_gvar_tuple_array(*model->vdivs, model->num_vdivs); | |
608 | break; | |
609 | case SR_CONF_LOGIC_THRESHOLD: | |
610 | if (!cg) | |
611 | return SR_ERR_CHANNEL_GROUP; | |
612 | if (!model) | |
613 | return SR_ERR_ARG; | |
614 | *data = g_variant_new_strv(*model->logic_threshold, model->num_logic_threshold); | |
615 | break; | |
616 | default: | |
617 | return SR_ERR_NA; | |
618 | } | |
619 | ||
620 | return SR_OK; | |
621 | } | |
622 | ||
623 | SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi) | |
624 | { | |
625 | char command[MAX_COMMAND_SIZE]; | |
626 | struct sr_channel *ch; | |
627 | struct dev_context *devc; | |
628 | const struct scope_config *model; | |
629 | ||
630 | devc = sdi->priv; | |
631 | model = devc->model_config; | |
632 | ||
633 | ch = devc->current_channel->data; | |
634 | ||
635 | switch (ch->type) { | |
636 | case SR_CHANNEL_ANALOG: | |
637 | g_snprintf(command, sizeof(command), | |
638 | (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA], | |
639 | #ifdef WORDS_BIGENDIAN | |
640 | "MSBF", | |
641 | #else | |
642 | "LSBF", | |
643 | #endif | |
644 | ch->index + 1); | |
645 | break; | |
646 | case SR_CHANNEL_LOGIC: | |
647 | g_snprintf(command, sizeof(command), | |
648 | (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA], | |
649 | ch->index / DIGITAL_CHANNELS_PER_POD + 1); | |
650 | break; | |
651 | default: | |
652 | sr_err("Invalid channel type."); | |
653 | break; | |
654 | } | |
655 | ||
656 | return sr_scpi_send(sdi->conn, command); | |
657 | } | |
658 | ||
659 | static int hmo_check_channels(GSList *channels) | |
660 | { | |
661 | GSList *l; | |
662 | struct sr_channel *ch; | |
663 | gboolean enabled_chan[MAX_ANALOG_CHANNEL_COUNT]; | |
664 | gboolean enabled_pod[MAX_DIGITAL_GROUP_COUNT]; | |
665 | size_t idx; | |
666 | ||
667 | /* Preset "not enabled" for all channels / pods. */ | |
668 | for (idx = 0; idx < ARRAY_SIZE(enabled_chan); idx++) | |
669 | enabled_chan[idx] = FALSE; | |
670 | for (idx = 0; idx < ARRAY_SIZE(enabled_pod); idx++) | |
671 | enabled_pod[idx] = FALSE; | |
672 | ||
673 | /* | |
674 | * Determine which channels / pods are required for the caller's | |
675 | * specified configuration. | |
676 | */ | |
677 | for (l = channels; l; l = l->next) { | |
678 | ch = l->data; | |
679 | switch (ch->type) { | |
680 | case SR_CHANNEL_ANALOG: | |
681 | idx = ch->index; | |
682 | if (idx < ARRAY_SIZE(enabled_chan)) | |
683 | enabled_chan[idx] = TRUE; | |
684 | break; | |
685 | case SR_CHANNEL_LOGIC: | |
686 | idx = ch->index / DIGITAL_CHANNELS_PER_POD; | |
687 | if (idx < ARRAY_SIZE(enabled_pod)) | |
688 | enabled_pod[idx] = TRUE; | |
689 | break; | |
690 | default: | |
691 | return SR_ERR; | |
692 | } | |
693 | } | |
694 | ||
695 | /* | |
696 | * Check for resource conflicts. Some channels can be either | |
697 | * analog or digital, but never both at the same time. | |
698 | * | |
699 | * Note that the constraints might depend on the specific model. | |
700 | * These tests might need some adjustment when support for more | |
701 | * models gets added to the driver. | |
702 | */ | |
703 | if (enabled_pod[0] && enabled_chan[2]) | |
704 | return SR_ERR; | |
705 | if (enabled_pod[1] && enabled_chan[3]) | |
706 | return SR_ERR; | |
707 | return SR_OK; | |
708 | } | |
709 | ||
710 | static int hmo_setup_channels(const struct sr_dev_inst *sdi) | |
711 | { | |
712 | GSList *l; | |
713 | unsigned int i; | |
714 | gboolean *pod_enabled, setup_changed; | |
715 | char command[MAX_COMMAND_SIZE]; | |
716 | struct scope_state *state; | |
717 | const struct scope_config *model; | |
718 | struct sr_channel *ch; | |
719 | struct dev_context *devc; | |
720 | struct sr_scpi_dev_inst *scpi; | |
721 | int ret; | |
722 | ||
723 | devc = sdi->priv; | |
724 | scpi = sdi->conn; | |
725 | state = devc->model_state; | |
726 | model = devc->model_config; | |
727 | setup_changed = FALSE; | |
728 | ||
729 | pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods); | |
730 | ||
731 | for (l = sdi->channels; l; l = l->next) { | |
732 | ch = l->data; | |
733 | switch (ch->type) { | |
734 | case SR_CHANNEL_ANALOG: | |
735 | if (ch->enabled == state->analog_channels[ch->index].state) | |
736 | break; | |
737 | g_snprintf(command, sizeof(command), | |
738 | (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE], | |
739 | ch->index + 1, ch->enabled); | |
740 | ||
741 | if (sr_scpi_send(scpi, command) != SR_OK) { | |
742 | g_free(pod_enabled); | |
743 | return SR_ERR; | |
744 | } | |
745 | state->analog_channels[ch->index].state = ch->enabled; | |
746 | setup_changed = TRUE; | |
747 | break; | |
748 | case SR_CHANNEL_LOGIC: | |
749 | /* | |
750 | * A digital POD needs to be enabled for every group of | |
751 | * DIGITAL_CHANNELS_PER_POD channels. | |
752 | */ | |
753 | if (ch->enabled) | |
754 | pod_enabled[ch->index / DIGITAL_CHANNELS_PER_POD] = TRUE; | |
755 | ||
756 | if (ch->enabled == state->digital_channels[ch->index]) | |
757 | break; | |
758 | g_snprintf(command, sizeof(command), | |
759 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE], | |
760 | ch->index, ch->enabled); | |
761 | ||
762 | if (sr_scpi_send(scpi, command) != SR_OK) { | |
763 | g_free(pod_enabled); | |
764 | return SR_ERR; | |
765 | } | |
766 | ||
767 | state->digital_channels[ch->index] = ch->enabled; | |
768 | setup_changed = TRUE; | |
769 | break; | |
770 | default: | |
771 | g_free(pod_enabled); | |
772 | return SR_ERR; | |
773 | } | |
774 | } | |
775 | ||
776 | ret = SR_OK; | |
777 | for (i = 0; i < model->digital_pods; i++) { | |
778 | if (state->digital_pods[i].state == pod_enabled[i]) | |
779 | continue; | |
780 | g_snprintf(command, sizeof(command), | |
781 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE], | |
782 | i + 1, pod_enabled[i]); | |
783 | if (sr_scpi_send(scpi, command) != SR_OK) { | |
784 | ret = SR_ERR; | |
785 | break; | |
786 | } | |
787 | state->digital_pods[i].state = pod_enabled[i]; | |
788 | setup_changed = TRUE; | |
789 | } | |
790 | g_free(pod_enabled); | |
791 | if (ret != SR_OK) | |
792 | return ret; | |
793 | ||
794 | if (setup_changed && hmo_update_sample_rate(sdi) != SR_OK) | |
795 | return SR_ERR; | |
796 | ||
797 | return SR_OK; | |
798 | } | |
799 | ||
800 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
801 | { | |
802 | GSList *l; | |
803 | gboolean digital_added[MAX_DIGITAL_GROUP_COUNT]; | |
804 | size_t group, pod_count; | |
805 | struct sr_channel *ch; | |
806 | struct dev_context *devc; | |
807 | struct sr_scpi_dev_inst *scpi; | |
808 | int ret; | |
809 | ||
810 | scpi = sdi->conn; | |
811 | devc = sdi->priv; | |
812 | ||
813 | devc->num_samples = 0; | |
814 | devc->num_frames = 0; | |
815 | ||
816 | /* Preset empty results. */ | |
817 | for (group = 0; group < ARRAY_SIZE(digital_added); group++) | |
818 | digital_added[group] = FALSE; | |
819 | g_slist_free(devc->enabled_channels); | |
820 | devc->enabled_channels = NULL; | |
821 | ||
822 | /* | |
823 | * Contruct the list of enabled channels. Determine the highest | |
824 | * number of digital pods involved in the acquisition. | |
825 | */ | |
826 | pod_count = 0; | |
827 | for (l = sdi->channels; l; l = l->next) { | |
828 | ch = l->data; | |
829 | if (!ch->enabled) | |
830 | continue; | |
831 | /* Only add a single digital channel per group (pod). */ | |
832 | group = ch->index / DIGITAL_CHANNELS_PER_POD; | |
833 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added[group]) { | |
834 | devc->enabled_channels = g_slist_append( | |
835 | devc->enabled_channels, ch); | |
836 | if (ch->type == SR_CHANNEL_LOGIC) { | |
837 | digital_added[group] = TRUE; | |
838 | if (pod_count < group + 1) | |
839 | pod_count = group + 1; | |
840 | } | |
841 | } | |
842 | } | |
843 | if (!devc->enabled_channels) | |
844 | return SR_ERR; | |
845 | devc->pod_count = pod_count; | |
846 | devc->logic_data = NULL; | |
847 | ||
848 | /* | |
849 | * Check constraints. Some channels can be either analog or | |
850 | * digital, but not both at the same time. | |
851 | */ | |
852 | if (hmo_check_channels(devc->enabled_channels) != SR_OK) { | |
853 | sr_err("Invalid channel configuration specified!"); | |
854 | ret = SR_ERR_NA; | |
855 | goto free_enabled; | |
856 | } | |
857 | ||
858 | /* | |
859 | * Configure the analog and digital channels and the | |
860 | * corresponding digital pods. | |
861 | */ | |
862 | if (hmo_setup_channels(sdi) != SR_OK) { | |
863 | sr_err("Failed to setup channel configuration!"); | |
864 | ret = SR_ERR; | |
865 | goto free_enabled; | |
866 | } | |
867 | ||
868 | /* | |
869 | * Start acquisition on the first enabled channel. The | |
870 | * receive routine will continue driving the acquisition. | |
871 | */ | |
872 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, | |
873 | hmo_receive_data, (void *)sdi); | |
874 | ||
875 | std_session_send_df_header(sdi); | |
876 | ||
877 | devc->current_channel = devc->enabled_channels; | |
878 | ||
879 | return hmo_request_data(sdi); | |
880 | ||
881 | free_enabled: | |
882 | g_slist_free(devc->enabled_channels); | |
883 | devc->enabled_channels = NULL; | |
884 | return ret; | |
885 | } | |
886 | ||
887 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
888 | { | |
889 | struct dev_context *devc; | |
890 | struct sr_scpi_dev_inst *scpi; | |
891 | ||
892 | std_session_send_df_end(sdi); | |
893 | ||
894 | devc = sdi->priv; | |
895 | ||
896 | devc->num_samples = 0; | |
897 | devc->num_frames = 0; | |
898 | g_slist_free(devc->enabled_channels); | |
899 | devc->enabled_channels = NULL; | |
900 | scpi = sdi->conn; | |
901 | sr_scpi_source_remove(sdi->session, scpi); | |
902 | ||
903 | return SR_OK; | |
904 | } | |
905 | ||
906 | static struct sr_dev_driver hameg_hmo_driver_info = { | |
907 | .name = "hameg-hmo", | |
908 | .longname = "Hameg HMO", | |
909 | .api_version = 1, | |
910 | .init = std_init, | |
911 | .cleanup = std_cleanup, | |
912 | .scan = scan, | |
913 | .dev_list = std_dev_list, | |
914 | .dev_clear = dev_clear, | |
915 | .config_get = config_get, | |
916 | .config_set = config_set, | |
917 | .config_list = config_list, | |
918 | .dev_open = dev_open, | |
919 | .dev_close = dev_close, | |
920 | .dev_acquisition_start = dev_acquisition_start, | |
921 | .dev_acquisition_stop = dev_acquisition_stop, | |
922 | .context = NULL, | |
923 | }; | |
924 | SR_REGISTER_DEV_DRIVER(hameg_hmo_driver_info); |