]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <stdlib.h> | |
21 | #include <glib/gstdio.h> | |
22 | #include "protocol.h" | |
23 | ||
24 | #define SERIALCOMM "115200/8n1/flow=1" | |
25 | ||
26 | SR_PRIV struct sr_dev_driver hameg_hmo_driver_info; | |
27 | static struct sr_dev_driver *di = &hameg_hmo_driver_info; | |
28 | ||
29 | static const char *manufacturers[] = { | |
30 | "HAMEG", | |
31 | }; | |
32 | ||
33 | static const int32_t hwopts[] = { | |
34 | SR_CONF_CONN, | |
35 | SR_CONF_SERIALCOMM, | |
36 | }; | |
37 | ||
38 | struct usb_id_info { | |
39 | uint16_t vendor_id; | |
40 | uint16_t product_id; | |
41 | }; | |
42 | ||
43 | static struct usb_id_info ho_models[] = { | |
44 | { 0x0403, 0xed72 }, /* HO720 */ | |
45 | { 0x0403, 0xed73 }, /* HO730 */ | |
46 | }; | |
47 | ||
48 | enum { | |
49 | PG_INVALID = -1, | |
50 | PG_NONE, | |
51 | PG_ANALOG, | |
52 | PG_DIGITAL, | |
53 | }; | |
54 | ||
55 | static int init(struct sr_context *sr_ctx) | |
56 | { | |
57 | return std_init(sr_ctx, di, LOG_PREFIX); | |
58 | } | |
59 | ||
60 | /** | |
61 | * Find USB serial devices via the USB vendor ID and product ID. | |
62 | * | |
63 | * @param vendor_id Vendor ID of the USB device. | |
64 | * @param product_id Product ID of the USB device. | |
65 | * | |
66 | * @return A GSList of strings containing the path of the serial device or | |
67 | * NULL if no serial device is found. The returned list must be freed | |
68 | * by the caller. | |
69 | */ | |
70 | static GSList *auto_find_usb(uint16_t vendor_id, uint16_t product_id) | |
71 | { | |
72 | #ifdef __linux__ | |
73 | const gchar *usb_dev; | |
74 | const char device_tree[] = "/sys/bus/usb/devices/"; | |
75 | GDir *devices_dir, *device_dir; | |
76 | GSList *l = NULL; | |
77 | GSList *tty_devs; | |
78 | GSList *matched_paths; | |
79 | FILE *fd; | |
80 | char tmp[5]; | |
81 | gchar *vendor_path, *product_path, *path_copy; | |
82 | gchar *prefix, *subdir_path, *device_path, *tty_path; | |
83 | unsigned long read_vendor_id, read_product_id; | |
84 | const char *file; | |
85 | ||
86 | l = NULL; | |
87 | tty_devs = NULL; | |
88 | matched_paths = NULL; | |
89 | ||
90 | if (!(devices_dir = g_dir_open(device_tree, 0, NULL))) | |
91 | return NULL; | |
92 | ||
93 | /* | |
94 | * Find potential candidates using the vendor ID and product ID | |
95 | * and store them in matched_paths. | |
96 | */ | |
97 | while ((usb_dev = g_dir_read_name(devices_dir))) { | |
98 | vendor_path = g_strconcat(device_tree, | |
99 | usb_dev, "/idVendor", NULL); | |
100 | product_path = g_strconcat(device_tree, | |
101 | usb_dev, "/idProduct", NULL); | |
102 | ||
103 | if (!g_file_test(vendor_path, G_FILE_TEST_EXISTS) || | |
104 | !g_file_test(product_path, G_FILE_TEST_EXISTS)) | |
105 | goto skip_device; | |
106 | ||
107 | if ((fd = g_fopen(vendor_path, "r")) == NULL) | |
108 | goto skip_device; | |
109 | ||
110 | if (fgets(tmp, sizeof(tmp), fd) == NULL) { | |
111 | fclose(fd); | |
112 | goto skip_device; | |
113 | } | |
114 | read_vendor_id = strtoul(tmp, NULL, 16); | |
115 | ||
116 | fclose(fd); | |
117 | ||
118 | if ((fd = g_fopen(product_path, "r")) == NULL) | |
119 | goto skip_device; | |
120 | ||
121 | if (fgets(tmp, sizeof(tmp), fd) == NULL) { | |
122 | fclose(fd); | |
123 | goto skip_device; | |
124 | } | |
125 | read_product_id = strtoul(tmp, NULL, 16); | |
126 | ||
127 | fclose(fd); | |
128 | ||
129 | if (vendor_id == read_vendor_id && | |
130 | product_id == read_product_id) { | |
131 | path_copy = g_strdup(usb_dev); | |
132 | matched_paths = g_slist_prepend(matched_paths, | |
133 | path_copy); | |
134 | } | |
135 | ||
136 | skip_device: | |
137 | g_free(vendor_path); | |
138 | g_free(product_path); | |
139 | } | |
140 | g_dir_close(devices_dir); | |
141 | ||
142 | /* For every matched device try to find a ttyUSBX subfolder. */ | |
143 | for (l = matched_paths; l; l = l->next) { | |
144 | subdir_path = NULL; | |
145 | ||
146 | device_path = g_strconcat(device_tree, l->data, NULL); | |
147 | ||
148 | if (!(device_dir = g_dir_open(device_path, 0, NULL))) { | |
149 | g_free(device_path); | |
150 | continue; | |
151 | } | |
152 | ||
153 | prefix = g_strconcat(l->data, ":", NULL); | |
154 | ||
155 | while ((file = g_dir_read_name(device_dir))) { | |
156 | if (g_str_has_prefix(file, prefix)) { | |
157 | subdir_path = g_strconcat(device_path, | |
158 | "/", file, NULL); | |
159 | break; | |
160 | } | |
161 | } | |
162 | g_dir_close(device_dir); | |
163 | ||
164 | g_free(prefix); | |
165 | g_free(device_path); | |
166 | ||
167 | if (subdir_path) { | |
168 | if (!(device_dir = g_dir_open(subdir_path, 0, NULL))) { | |
169 | g_free(subdir_path); | |
170 | continue; | |
171 | } | |
172 | g_free(subdir_path); | |
173 | ||
174 | while ((file = g_dir_read_name(device_dir))) { | |
175 | if (g_str_has_prefix(file, "ttyUSB")) { | |
176 | tty_path = g_strconcat("/dev/", | |
177 | file, NULL); | |
178 | sr_dbg("Found USB device %04x:%04x attached to %s.", | |
179 | vendor_id, product_id, tty_path); | |
180 | tty_devs = g_slist_prepend(tty_devs, | |
181 | tty_path); | |
182 | break; | |
183 | } | |
184 | } | |
185 | g_dir_close(device_dir); | |
186 | } | |
187 | } | |
188 | g_slist_free_full(matched_paths, g_free); | |
189 | ||
190 | return tty_devs; | |
191 | #else | |
192 | return NULL; | |
193 | #endif | |
194 | } | |
195 | ||
196 | static int check_manufacturer(const char *manufacturer) | |
197 | { | |
198 | unsigned int i; | |
199 | ||
200 | for (i = 0; i < ARRAY_SIZE(manufacturers); ++i) | |
201 | if (!strcmp(manufacturer, manufacturers[i])) | |
202 | return SR_OK; | |
203 | ||
204 | return SR_ERR; | |
205 | } | |
206 | ||
207 | static struct sr_dev_inst *hmo_probe_serial_device(const char *serial_device, | |
208 | const char *serial_options) | |
209 | { | |
210 | struct sr_dev_inst *sdi; | |
211 | struct dev_context *devc; | |
212 | struct sr_scpi_hw_info *hw_info; | |
213 | struct sr_scpi_dev_inst *scpi; | |
214 | ||
215 | sdi = NULL; | |
216 | devc = NULL; | |
217 | scpi = NULL; | |
218 | hw_info = NULL; | |
219 | ||
220 | if (!(scpi = scpi_serial_dev_inst_new(serial_device, serial_options))) | |
221 | goto fail; | |
222 | ||
223 | sr_info("Probing %s.", serial_device); | |
224 | if (sr_scpi_open(scpi) != SR_OK) | |
225 | goto fail; | |
226 | ||
227 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
228 | sr_info("Couldn't get IDN response."); | |
229 | goto fail; | |
230 | } | |
231 | ||
232 | if (check_manufacturer(hw_info->manufacturer) != SR_OK) | |
233 | goto fail; | |
234 | ||
235 | if (!(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, | |
236 | hw_info->manufacturer, hw_info->model, | |
237 | hw_info->firmware_version))) { | |
238 | goto fail; | |
239 | } | |
240 | sr_scpi_hw_info_free(hw_info); | |
241 | hw_info = NULL; | |
242 | ||
243 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) | |
244 | goto fail; | |
245 | ||
246 | sdi->driver = di; | |
247 | sdi->priv = devc; | |
248 | sdi->inst_type = SR_INST_SCPI; | |
249 | sdi->conn = scpi; | |
250 | ||
251 | if (hmo_init_device(sdi) != SR_OK) | |
252 | goto fail; | |
253 | ||
254 | return sdi; | |
255 | ||
256 | fail: | |
257 | if (hw_info) | |
258 | sr_scpi_hw_info_free(hw_info); | |
259 | if (scpi) | |
260 | sr_scpi_free(scpi); | |
261 | if (sdi) | |
262 | sr_dev_inst_free(sdi); | |
263 | if (devc) | |
264 | g_free(devc); | |
265 | ||
266 | return NULL; | |
267 | } | |
268 | ||
269 | static GSList *scan(GSList *options) | |
270 | { | |
271 | GSList *devices; | |
272 | struct drv_context *drvc; | |
273 | struct sr_dev_inst *sdi; | |
274 | const char *serial_device, *serial_options; | |
275 | GSList *l, *tty_devs; | |
276 | unsigned int i; | |
277 | ||
278 | serial_device = NULL; | |
279 | serial_options = SERIALCOMM; | |
280 | sdi = NULL; | |
281 | devices = NULL; | |
282 | drvc = di->priv; | |
283 | drvc->instances = NULL; | |
284 | ||
285 | if (sr_serial_extract_options(options, &serial_device, | |
286 | &serial_options) == SR_OK) { | |
287 | sdi = hmo_probe_serial_device(serial_device, serial_options); | |
288 | if (sdi != NULL) { | |
289 | devices = g_slist_append(devices, sdi); | |
290 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
291 | } | |
292 | } else { | |
293 | tty_devs = NULL; | |
294 | ||
295 | for (i = 0; i < ARRAY_SIZE(ho_models); i++) { | |
296 | if ((l = auto_find_usb(ho_models[i].vendor_id, | |
297 | ho_models[i].product_id)) == NULL) | |
298 | continue; | |
299 | tty_devs = g_slist_concat(tty_devs, l); | |
300 | } | |
301 | ||
302 | for (l = tty_devs; l; l = l->next) { | |
303 | sdi = hmo_probe_serial_device(l->data, serial_options); | |
304 | if (sdi != NULL) { | |
305 | devices = g_slist_append(devices, sdi); | |
306 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
307 | } | |
308 | } | |
309 | ||
310 | g_slist_free_full(tty_devs, g_free); | |
311 | } | |
312 | ||
313 | return devices; | |
314 | } | |
315 | ||
316 | static GSList *dev_list(void) | |
317 | { | |
318 | return ((struct drv_context *)(di->priv))->instances; | |
319 | } | |
320 | ||
321 | static void clear_helper(void *priv) | |
322 | { | |
323 | unsigned int i; | |
324 | struct dev_context *devc; | |
325 | struct scope_config *model; | |
326 | ||
327 | devc = priv; | |
328 | model = devc->model_config; | |
329 | ||
330 | hmo_scope_state_free(devc->model_state); | |
331 | ||
332 | for (i = 0; i < model->analog_channels; ++i) | |
333 | g_slist_free(devc->analog_groups[i].probes); | |
334 | ||
335 | for (i = 0; i < model->digital_pods; ++i) { | |
336 | g_slist_free(devc->digital_groups[i].probes); | |
337 | g_free(devc->digital_groups[i].name); | |
338 | } | |
339 | ||
340 | g_free(devc->analog_groups); | |
341 | g_free(devc->digital_groups); | |
342 | ||
343 | g_free(devc); | |
344 | } | |
345 | ||
346 | static int dev_clear(void) | |
347 | { | |
348 | return std_dev_clear(di, clear_helper); | |
349 | } | |
350 | ||
351 | static int dev_open(struct sr_dev_inst *sdi) | |
352 | { | |
353 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) | |
354 | return SR_ERR; | |
355 | ||
356 | if (hmo_scope_state_get(sdi) != SR_OK) | |
357 | return SR_ERR; | |
358 | ||
359 | sdi->status = SR_ST_ACTIVE; | |
360 | ||
361 | return SR_OK; | |
362 | } | |
363 | ||
364 | static int dev_close(struct sr_dev_inst *sdi) | |
365 | { | |
366 | if (sdi->status == SR_ST_INACTIVE) | |
367 | return SR_OK; | |
368 | ||
369 | sr_scpi_close(sdi->conn); | |
370 | ||
371 | sdi->status = SR_ST_INACTIVE; | |
372 | ||
373 | return SR_OK; | |
374 | } | |
375 | ||
376 | static int cleanup(void) | |
377 | { | |
378 | dev_clear(); | |
379 | ||
380 | return SR_OK; | |
381 | } | |
382 | ||
383 | static int check_probe_group(struct dev_context *devc, | |
384 | const struct sr_probe_group *probe_group) | |
385 | { | |
386 | unsigned int i; | |
387 | struct scope_config *model; | |
388 | ||
389 | model = devc->model_config; | |
390 | ||
391 | if (!probe_group) | |
392 | return PG_NONE; | |
393 | ||
394 | for (i = 0; i < model->analog_channels; ++i) | |
395 | if (probe_group == &devc->analog_groups[i]) | |
396 | return PG_ANALOG; | |
397 | ||
398 | for (i = 0; i < model->digital_pods; ++i) | |
399 | if (probe_group == &devc->digital_groups[i]) | |
400 | return PG_DIGITAL; | |
401 | ||
402 | sr_err("Invalid probe group specified."); | |
403 | ||
404 | return PG_INVALID; | |
405 | } | |
406 | ||
407 | static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
408 | const struct sr_probe_group *probe_group) | |
409 | { | |
410 | int ret, pg_type; | |
411 | unsigned int i; | |
412 | struct dev_context *devc; | |
413 | struct scope_config *model; | |
414 | ||
415 | if (!sdi || !(devc = sdi->priv)) | |
416 | return SR_ERR_ARG; | |
417 | ||
418 | if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID) | |
419 | return SR_ERR; | |
420 | ||
421 | ret = SR_ERR_NA; | |
422 | model = devc->model_config; | |
423 | ||
424 | switch (key) { | |
425 | case SR_CONF_NUM_TIMEBASE: | |
426 | *data = g_variant_new_int32(model->num_xdivs); | |
427 | ret = SR_OK; | |
428 | break; | |
429 | case SR_CONF_NUM_VDIV: | |
430 | if (pg_type == PG_NONE) { | |
431 | sr_err("No probe group specified."); | |
432 | return SR_ERR_PROBE_GROUP; | |
433 | } else if (pg_type == PG_ANALOG) { | |
434 | for (i = 0; i < model->analog_channels; ++i) { | |
435 | if (probe_group != &devc->analog_groups[i]) | |
436 | continue; | |
437 | *data = g_variant_new_int32(model->num_ydivs); | |
438 | ret = SR_OK; | |
439 | break; | |
440 | } | |
441 | ||
442 | } else { | |
443 | ret = SR_ERR_NA; | |
444 | } | |
445 | break; | |
446 | default: | |
447 | ret = SR_ERR_NA; | |
448 | } | |
449 | ||
450 | return ret; | |
451 | } | |
452 | ||
453 | static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n) | |
454 | { | |
455 | unsigned int i; | |
456 | GVariant *rational[2]; | |
457 | GVariantBuilder gvb; | |
458 | ||
459 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
460 | ||
461 | for (i = 0; i < n; i++) { | |
462 | rational[0] = g_variant_new_uint64((*array)[i][0]); | |
463 | rational[1] = g_variant_new_uint64((*array)[i][1]); | |
464 | ||
465 | /* FIXME: Valgrind reports a memory leak here. */ | |
466 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
467 | } | |
468 | ||
469 | return g_variant_builder_end(&gvb); | |
470 | } | |
471 | ||
472 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, | |
473 | const struct sr_probe_group *probe_group) | |
474 | { | |
475 | int ret, pg_type; | |
476 | unsigned int i, j; | |
477 | char command[MAX_COMMAND_SIZE]; | |
478 | struct dev_context *devc; | |
479 | struct scope_config *model; | |
480 | struct scope_state *state; | |
481 | const char *tmp; | |
482 | uint64_t p, q, tmp_u64; | |
483 | double tmp_d; | |
484 | ||
485 | if (!sdi || !(devc = sdi->priv)) | |
486 | return SR_ERR_ARG; | |
487 | ||
488 | if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID) | |
489 | return SR_ERR; | |
490 | ||
491 | model = devc->model_config; | |
492 | state = devc->model_state; | |
493 | ||
494 | ret = SR_ERR_NA; | |
495 | ||
496 | switch (key) { | |
497 | case SR_CONF_LIMIT_FRAMES: | |
498 | devc->frame_limit = g_variant_get_uint64(data); | |
499 | ret = SR_OK; | |
500 | break; | |
501 | case SR_CONF_TRIGGER_SOURCE: | |
502 | tmp = g_variant_get_string(data, NULL); | |
503 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
504 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
505 | continue; | |
506 | state->trigger_source = i; | |
507 | g_snprintf(command, sizeof(command), | |
508 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE], | |
509 | (*model->trigger_sources)[i]); | |
510 | ||
511 | ret = sr_scpi_send(sdi->conn, command); | |
512 | break; | |
513 | } | |
514 | break; | |
515 | case SR_CONF_VDIV: | |
516 | if (pg_type == PG_NONE) { | |
517 | sr_err("No probe group specified."); | |
518 | return SR_ERR_PROBE_GROUP; | |
519 | } | |
520 | ||
521 | g_variant_get(data, "(tt)", &p, &q); | |
522 | ||
523 | for (i = 0; i < model->num_vdivs; i++) { | |
524 | if (p != (*model->vdivs)[i][0] || | |
525 | q != (*model->vdivs)[i][1]) | |
526 | continue; | |
527 | for (j = 1; j <= model->analog_channels; ++j) { | |
528 | if (probe_group != &devc->analog_groups[j - 1]) | |
529 | continue; | |
530 | state->analog_channels[j - 1].vdiv = (float) p / q; | |
531 | g_snprintf(command, sizeof(command), | |
532 | (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV], | |
533 | j, state->analog_channels[j-1].vdiv); | |
534 | ||
535 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
536 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
537 | return SR_ERR; | |
538 | ||
539 | break; | |
540 | } | |
541 | ||
542 | ret = SR_OK; | |
543 | break; | |
544 | } | |
545 | break; | |
546 | case SR_CONF_TIMEBASE: | |
547 | g_variant_get(data, "(tt)", &p, &q); | |
548 | ||
549 | for (i = 0; i < model->num_timebases; i++) { | |
550 | if (p != (*model->timebases)[i][0] || | |
551 | q != (*model->timebases)[i][1]) | |
552 | continue; | |
553 | state->timebase = (float) p / q; | |
554 | g_snprintf(command, sizeof(command), | |
555 | (*model->scpi_dialect)[SCPI_CMD_SET_TIMEBASE], | |
556 | state->timebase); | |
557 | ||
558 | ret = sr_scpi_send(sdi->conn, command); | |
559 | break; | |
560 | } | |
561 | break; | |
562 | case SR_CONF_HORIZ_TRIGGERPOS: | |
563 | tmp_d = g_variant_get_double(data); | |
564 | ||
565 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
566 | return SR_ERR; | |
567 | ||
568 | state->horiz_triggerpos = -(tmp_d - 0.5) * state->timebase * model->num_xdivs; | |
569 | g_snprintf(command, sizeof(command), | |
570 | (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS], | |
571 | state->horiz_triggerpos); | |
572 | ||
573 | ret = sr_scpi_send(sdi->conn, command); | |
574 | break; | |
575 | case SR_CONF_TRIGGER_SLOPE: | |
576 | tmp_u64 = g_variant_get_uint64(data); | |
577 | ||
578 | if (tmp_u64 != 0 && tmp_u64 != 1) | |
579 | return SR_ERR; | |
580 | ||
581 | state->trigger_slope = tmp_u64; | |
582 | ||
583 | g_snprintf(command, sizeof(command), | |
584 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE], | |
585 | tmp_u64 ? "POS" : "NEG"); | |
586 | ||
587 | ret = sr_scpi_send(sdi->conn, command); | |
588 | break; | |
589 | case SR_CONF_COUPLING: | |
590 | if (pg_type == PG_NONE) { | |
591 | sr_err("No probe group specified."); | |
592 | return SR_ERR_PROBE_GROUP; | |
593 | } | |
594 | ||
595 | tmp = g_variant_get_string(data, NULL); | |
596 | ||
597 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
598 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
599 | continue; | |
600 | for (j = 1; j <= model->analog_channels; ++j) { | |
601 | if (probe_group != &devc->analog_groups[j - 1]) | |
602 | continue; | |
603 | state->analog_channels[j-1].coupling = i; | |
604 | ||
605 | g_snprintf(command, sizeof(command), | |
606 | (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING], | |
607 | j, tmp); | |
608 | ||
609 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
610 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
611 | return SR_ERR; | |
612 | break; | |
613 | } | |
614 | ||
615 | ret = SR_OK; | |
616 | break; | |
617 | } | |
618 | break; | |
619 | default: | |
620 | ret = SR_ERR_NA; | |
621 | break; | |
622 | } | |
623 | ||
624 | if (ret == SR_OK) | |
625 | ret = sr_scpi_get_opc(sdi->conn); | |
626 | ||
627 | return ret; | |
628 | } | |
629 | ||
630 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
631 | const struct sr_probe_group *probe_group) | |
632 | { | |
633 | int pg_type; | |
634 | struct dev_context *devc; | |
635 | struct scope_config *model; | |
636 | ||
637 | if (!sdi || !(devc = sdi->priv)) | |
638 | return SR_ERR_ARG; | |
639 | ||
640 | if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID) | |
641 | return SR_ERR; | |
642 | ||
643 | model = devc->model_config; | |
644 | ||
645 | switch (key) { | |
646 | case SR_CONF_DEVICE_OPTIONS: | |
647 | if (pg_type == PG_NONE) { | |
648 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
649 | model->hw_caps, model->num_hwcaps, | |
650 | sizeof(int32_t)); | |
651 | } else if (pg_type == PG_ANALOG) { | |
652 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
653 | model->analog_hwcaps, model->num_analog_hwcaps, | |
654 | sizeof(int32_t)); | |
655 | } else { | |
656 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
657 | NULL, 0, sizeof(int32_t)); | |
658 | } | |
659 | break; | |
660 | case SR_CONF_COUPLING: | |
661 | if (pg_type == PG_NONE) | |
662 | return SR_ERR_PROBE_GROUP; | |
663 | *data = g_variant_new_strv(*model->coupling_options, | |
664 | g_strv_length((char **)*model->coupling_options)); | |
665 | break; | |
666 | case SR_CONF_TRIGGER_SOURCE: | |
667 | *data = g_variant_new_strv(*model->trigger_sources, | |
668 | g_strv_length((char **)*model->trigger_sources)); | |
669 | break; | |
670 | case SR_CONF_TIMEBASE: | |
671 | *data = build_tuples(model->timebases, model->num_timebases); | |
672 | break; | |
673 | case SR_CONF_VDIV: | |
674 | if (pg_type == PG_NONE) | |
675 | return SR_ERR_PROBE_GROUP; | |
676 | *data = build_tuples(model->vdivs, model->num_vdivs); | |
677 | break; | |
678 | default: | |
679 | return SR_ERR_NA; | |
680 | } | |
681 | ||
682 | return SR_OK; | |
683 | } | |
684 | ||
685 | SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi) | |
686 | { | |
687 | char command[MAX_COMMAND_SIZE]; | |
688 | struct sr_probe *probe; | |
689 | struct dev_context *devc; | |
690 | struct scope_config *model; | |
691 | ||
692 | devc = sdi->priv; | |
693 | model = devc->model_config; | |
694 | ||
695 | probe = devc->current_probe->data; | |
696 | ||
697 | switch (probe->type) { | |
698 | case SR_PROBE_ANALOG: | |
699 | g_snprintf(command, sizeof(command), | |
700 | (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA], | |
701 | probe->index + 1); | |
702 | break; | |
703 | case SR_PROBE_LOGIC: | |
704 | g_snprintf(command, sizeof(command), | |
705 | (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA], | |
706 | probe->index < 8 ? 1 : 2); | |
707 | break; | |
708 | default: | |
709 | sr_err("Invalid probe type."); | |
710 | break; | |
711 | } | |
712 | ||
713 | return sr_scpi_send(sdi->conn, command); | |
714 | } | |
715 | ||
716 | static int hmo_check_probes(GSList *probes) | |
717 | { | |
718 | GSList *l; | |
719 | struct sr_probe *probe; | |
720 | gboolean enabled_pod1, enabled_pod2, enabled_chan3, enabled_chan4; | |
721 | ||
722 | enabled_pod1 = enabled_pod2 = enabled_chan3 = enabled_chan4 = FALSE; | |
723 | ||
724 | for (l = probes; l; l = l->next) { | |
725 | probe = l->data; | |
726 | switch (probe->type) { | |
727 | case SR_PROBE_ANALOG: | |
728 | if (probe->index == 2) | |
729 | enabled_chan3 = TRUE; | |
730 | else if (probe->index == 3) | |
731 | enabled_chan4 = TRUE; | |
732 | break; | |
733 | case SR_PROBE_LOGIC: | |
734 | if (probe->index < 8) | |
735 | enabled_pod1 = TRUE; | |
736 | else | |
737 | enabled_pod2 = TRUE; | |
738 | break; | |
739 | default: | |
740 | return SR_ERR; | |
741 | } | |
742 | } | |
743 | ||
744 | if ((enabled_pod1 && enabled_chan3) || | |
745 | (enabled_pod2 && enabled_chan4)) | |
746 | return SR_ERR; | |
747 | ||
748 | return SR_OK; | |
749 | } | |
750 | ||
751 | static int hmo_setup_probes(const struct sr_dev_inst *sdi) | |
752 | { | |
753 | GSList *l; | |
754 | unsigned int i; | |
755 | gboolean *pod_enabled; | |
756 | char command[MAX_COMMAND_SIZE]; | |
757 | struct scope_state *state; | |
758 | struct scope_config *model; | |
759 | struct sr_probe *probe; | |
760 | struct dev_context *devc; | |
761 | struct sr_scpi_dev_inst *scpi; | |
762 | ||
763 | devc = sdi->priv; | |
764 | scpi = sdi->conn; | |
765 | state = devc->model_state; | |
766 | model = devc->model_config; | |
767 | ||
768 | pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods); | |
769 | ||
770 | for (l = sdi->probes; l; l = l->next) { | |
771 | probe = l->data; | |
772 | switch (probe->type) { | |
773 | case SR_PROBE_ANALOG: | |
774 | if (probe->enabled == state->analog_channels[probe->index].state) | |
775 | break; | |
776 | g_snprintf(command, sizeof(command), | |
777 | (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE], | |
778 | probe->index + 1, probe->enabled); | |
779 | ||
780 | if (sr_scpi_send(scpi, command) != SR_OK) | |
781 | return SR_ERR; | |
782 | state->analog_channels[probe->index].state = probe->enabled; | |
783 | break; | |
784 | case SR_PROBE_LOGIC: | |
785 | /* | |
786 | * A digital POD needs to be enabled for every group of | |
787 | * 8 probes. | |
788 | */ | |
789 | if (probe->enabled) | |
790 | pod_enabled[probe->index < 8 ? 0 : 1] = TRUE; | |
791 | ||
792 | if (probe->enabled == state->digital_channels[probe->index]) | |
793 | break; | |
794 | g_snprintf(command, sizeof(command), | |
795 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE], | |
796 | probe->index, probe->enabled); | |
797 | ||
798 | if (sr_scpi_send(scpi, command) != SR_OK) | |
799 | return SR_ERR; | |
800 | ||
801 | state->digital_channels[probe->index] = probe->enabled; | |
802 | break; | |
803 | default: | |
804 | return SR_ERR; | |
805 | } | |
806 | } | |
807 | ||
808 | for (i = 1; i <= model->digital_pods; ++i) { | |
809 | if (state->digital_pods[i - 1] == pod_enabled[i - 1]) | |
810 | continue; | |
811 | g_snprintf(command, sizeof(command), | |
812 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE], | |
813 | i, pod_enabled[i - 1]); | |
814 | if (sr_scpi_send(scpi, command) != SR_OK) | |
815 | return SR_ERR; | |
816 | state->digital_pods[i - 1] = pod_enabled[i - 1]; | |
817 | } | |
818 | ||
819 | g_free(pod_enabled); | |
820 | ||
821 | return SR_OK; | |
822 | } | |
823 | ||
824 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
825 | { | |
826 | GSList *l; | |
827 | gboolean digital_added; | |
828 | struct sr_probe *probe; | |
829 | struct dev_context *devc; | |
830 | struct sr_scpi_dev_inst *scpi; | |
831 | ||
832 | if (sdi->status != SR_ST_ACTIVE) | |
833 | return SR_ERR_DEV_CLOSED; | |
834 | ||
835 | scpi = sdi->conn; | |
836 | devc = sdi->priv; | |
837 | digital_added = FALSE; | |
838 | ||
839 | for (l = sdi->probes; l; l = l->next) { | |
840 | probe = l->data; | |
841 | if (!probe->enabled) | |
842 | continue; | |
843 | /* Only add a single digital probe. */ | |
844 | if (probe->type != SR_PROBE_LOGIC || !digital_added) { | |
845 | devc->enabled_probes = g_slist_append( | |
846 | devc->enabled_probes, probe); | |
847 | if (probe->type == SR_PROBE_LOGIC) | |
848 | digital_added = TRUE; | |
849 | } | |
850 | } | |
851 | ||
852 | if (!devc->enabled_probes) | |
853 | return SR_ERR; | |
854 | ||
855 | if (hmo_check_probes(devc->enabled_probes) != SR_OK) { | |
856 | sr_err("Invalid probe configuration specified!"); | |
857 | return SR_ERR_NA; | |
858 | } | |
859 | ||
860 | if (hmo_setup_probes(sdi) != SR_OK) { | |
861 | sr_err("Failed to setup probe configuration!"); | |
862 | return SR_ERR; | |
863 | } | |
864 | ||
865 | sr_scpi_source_add(scpi, G_IO_IN, 50, hmo_receive_data, (void *)sdi); | |
866 | ||
867 | /* Send header packet to the session bus. */ | |
868 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
869 | ||
870 | devc->current_probe = devc->enabled_probes; | |
871 | ||
872 | return hmo_request_data(sdi); | |
873 | } | |
874 | ||
875 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
876 | { | |
877 | struct dev_context *devc; | |
878 | struct sr_scpi_dev_inst *scpi; | |
879 | ||
880 | (void)cb_data; | |
881 | ||
882 | if (sdi->status != SR_ST_ACTIVE) | |
883 | return SR_ERR_DEV_CLOSED; | |
884 | ||
885 | devc = sdi->priv; | |
886 | ||
887 | g_slist_free(devc->enabled_probes); | |
888 | devc->enabled_probes = NULL; | |
889 | scpi = sdi->conn; | |
890 | sr_scpi_source_remove(scpi); | |
891 | ||
892 | return SR_OK; | |
893 | } | |
894 | ||
895 | SR_PRIV struct sr_dev_driver hameg_hmo_driver_info = { | |
896 | .name = "hameg-hmo", | |
897 | .longname = "Hameg HMO", | |
898 | .api_version = 1, | |
899 | .init = init, | |
900 | .cleanup = cleanup, | |
901 | .scan = scan, | |
902 | .dev_list = dev_list, | |
903 | .dev_clear = dev_clear, | |
904 | .config_get = config_get, | |
905 | .config_set = config_set, | |
906 | .config_list = config_list, | |
907 | .dev_open = dev_open, | |
908 | .dev_close = dev_close, | |
909 | .dev_acquisition_start = dev_acquisition_start, | |
910 | .dev_acquisition_stop = dev_acquisition_stop, | |
911 | .priv = NULL, | |
912 | }; |