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Commit | Line | Data |
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06a3e78a DJ |
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 | ||
13f2b9d7 DJ |
20 | #include <stdlib.h> |
21 | #include <glib/gstdio.h> | |
06a3e78a DJ |
22 | #include "protocol.h" |
23 | ||
13f2b9d7 DJ |
24 | #define SERIALCOMM "115200/8n1/flow=1" |
25 | ||
e9a62139 DJ |
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 | ||
13f2b9d7 DJ |
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; | |
89280b1a | 41 | }; |
13f2b9d7 DJ |
42 | |
43 | static struct usb_id_info ho_models[] = { | |
89280b1a UH |
44 | { 0x0403, 0xed72 }, /* HO720 */ |
45 | { 0x0403, 0xed73 }, /* HO730 */ | |
13f2b9d7 | 46 | }; |
06a3e78a | 47 | |
719eff68 UH |
48 | enum { |
49 | PG_INVALID = -1, | |
50 | PG_NONE, | |
51 | PG_ANALOG, | |
52 | PG_DIGITAL, | |
53 | }; | |
54 | ||
06a3e78a DJ |
55 | static int init(struct sr_context *sr_ctx) |
56 | { | |
57 | return std_init(sr_ctx, di, LOG_PREFIX); | |
58 | } | |
59 | ||
13f2b9d7 DJ |
60 | /** |
61 | * Find USB serial devices via the USB vendor ID and product ID. | |
62 | * | |
89280b1a UH |
63 | * @param vendor_id Vendor ID of the USB device. |
64 | * @param product_id Product ID of the USB device. | |
13f2b9d7 | 65 | * |
89280b1a UH |
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. | |
13f2b9d7 | 69 | */ |
89280b1a | 70 | static GSList *auto_find_usb(uint16_t vendor_id, uint16_t product_id) |
13f2b9d7 DJ |
71 | { |
72 | #ifdef __linux__ | |
73 | const gchar *usb_dev; | |
74 | const char device_tree[] = "/sys/bus/usb/devices/"; | |
89280b1a | 75 | GDir *devices_dir, *device_dir; |
13f2b9d7 | 76 | GSList *l = NULL; |
89280b1a | 77 | GSList *tty_devs; |
13f2b9d7 | 78 | GSList *matched_paths; |
89280b1a UH |
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; | |
13f2b9d7 DJ |
85 | |
86 | l = NULL; | |
89280b1a | 87 | tty_devs = NULL; |
13f2b9d7 DJ |
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 | |
89280b1a | 95 | * and store them in matched_paths. |
13f2b9d7 DJ |
96 | */ |
97 | while ((usb_dev = g_dir_read_name(devices_dir))) { | |
13f2b9d7 DJ |
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) { | |
13f2b9d7 DJ |
131 | path_copy = g_strdup(usb_dev); |
132 | matched_paths = g_slist_prepend(matched_paths, | |
133 | path_copy); | |
134 | } | |
135 | ||
89280b1a | 136 | skip_device: |
13f2b9d7 DJ |
137 | g_free(vendor_path); |
138 | g_free(product_path); | |
139 | } | |
140 | g_dir_close(devices_dir); | |
141 | ||
89280b1a | 142 | /* For every matched device try to find a ttyUSBX subfolder. */ |
13f2b9d7 | 143 | for (l = matched_paths; l; l = l->next) { |
13f2b9d7 DJ |
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, | |
89280b1a | 158 | "/", file, NULL); |
13f2b9d7 DJ |
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")) { | |
13f2b9d7 DJ |
176 | tty_path = g_strconcat("/dev/", |
177 | file, NULL); | |
89280b1a | 178 | sr_dbg("Found USB device %04x:%04x attached to %s.", |
13f2b9d7 | 179 | vendor_id, product_id, tty_path); |
89280b1a UH |
180 | tty_devs = g_slist_prepend(tty_devs, |
181 | tty_path); | |
13f2b9d7 DJ |
182 | break; |
183 | } | |
184 | } | |
185 | g_dir_close(device_dir); | |
186 | } | |
187 | } | |
188 | g_slist_free_full(matched_paths, g_free); | |
189 | ||
89280b1a | 190 | return tty_devs; |
13f2b9d7 DJ |
191 | #else |
192 | return NULL; | |
193 | #endif | |
194 | } | |
195 | ||
e9a62139 DJ |
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 | ||
c3515cea | 220 | if (!(scpi = scpi_dev_inst_new(serial_device, serial_options))) |
e9a62139 DJ |
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 | ||
68e3d070 DJ |
254 | sr_scpi_close(sdi->conn); |
255 | ||
256 | sdi->status = SR_ST_INACTIVE; | |
257 | ||
e9a62139 DJ |
258 | return sdi; |
259 | ||
260 | fail: | |
261 | if (hw_info) | |
262 | sr_scpi_hw_info_free(hw_info); | |
263 | if (scpi) | |
264 | sr_scpi_free(scpi); | |
265 | if (sdi) | |
266 | sr_dev_inst_free(sdi); | |
267 | if (devc) | |
268 | g_free(devc); | |
269 | ||
270 | return NULL; | |
271 | } | |
272 | ||
06a3e78a DJ |
273 | static GSList *scan(GSList *options) |
274 | { | |
06a3e78a | 275 | GSList *devices; |
13f2b9d7 DJ |
276 | struct drv_context *drvc; |
277 | struct sr_dev_inst *sdi; | |
89280b1a UH |
278 | const char *serial_device, *serial_options; |
279 | GSList *l, *tty_devs; | |
280 | unsigned int i; | |
06a3e78a | 281 | |
13f2b9d7 DJ |
282 | serial_device = NULL; |
283 | serial_options = SERIALCOMM; | |
13f2b9d7 | 284 | sdi = NULL; |
06a3e78a DJ |
285 | devices = NULL; |
286 | drvc = di->priv; | |
287 | drvc->instances = NULL; | |
288 | ||
13f2b9d7 DJ |
289 | if (sr_serial_extract_options(options, &serial_device, |
290 | &serial_options) == SR_OK) { | |
719eff68 | 291 | sdi = hmo_probe_serial_device(serial_device, serial_options); |
13f2b9d7 DJ |
292 | if (sdi != NULL) { |
293 | devices = g_slist_append(devices, sdi); | |
294 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
295 | } | |
13f2b9d7 | 296 | } else { |
89280b1a | 297 | tty_devs = NULL; |
13f2b9d7 DJ |
298 | |
299 | for (i = 0; i < ARRAY_SIZE(ho_models); i++) { | |
300 | if ((l = auto_find_usb(ho_models[i].vendor_id, | |
301 | ho_models[i].product_id)) == NULL) | |
302 | continue; | |
89280b1a | 303 | tty_devs = g_slist_concat(tty_devs, l); |
13f2b9d7 DJ |
304 | } |
305 | ||
89280b1a | 306 | for (l = tty_devs; l; l = l->next) { |
719eff68 | 307 | sdi = hmo_probe_serial_device(l->data, serial_options); |
13f2b9d7 DJ |
308 | if (sdi != NULL) { |
309 | devices = g_slist_append(devices, sdi); | |
310 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
311 | } | |
312 | } | |
313 | ||
89280b1a | 314 | g_slist_free_full(tty_devs, g_free); |
13f2b9d7 | 315 | } |
06a3e78a DJ |
316 | |
317 | return devices; | |
318 | } | |
319 | ||
320 | static GSList *dev_list(void) | |
321 | { | |
322 | return ((struct drv_context *)(di->priv))->instances; | |
323 | } | |
324 | ||
13f2b9d7 DJ |
325 | static void clear_helper(void *priv) |
326 | { | |
327 | unsigned int i; | |
13f2b9d7 DJ |
328 | struct dev_context *devc; |
329 | struct scope_config *model; | |
330 | ||
331 | devc = priv; | |
332 | model = devc->model_config; | |
333 | ||
719eff68 | 334 | hmo_scope_state_free(devc->model_state); |
13f2b9d7 | 335 | |
89280b1a | 336 | for (i = 0; i < model->analog_channels; ++i) |
13f2b9d7 | 337 | g_slist_free(devc->analog_groups[i].probes); |
13f2b9d7 DJ |
338 | |
339 | for (i = 0; i < model->digital_pods; ++i) { | |
340 | g_slist_free(devc->digital_groups[i].probes); | |
341 | g_free(devc->digital_groups[i].name); | |
342 | } | |
343 | ||
344 | g_free(devc->analog_groups); | |
345 | g_free(devc->digital_groups); | |
346 | ||
347 | g_free(devc); | |
348 | } | |
349 | ||
06a3e78a DJ |
350 | static int dev_clear(void) |
351 | { | |
13f2b9d7 | 352 | return std_dev_clear(di, clear_helper); |
06a3e78a DJ |
353 | } |
354 | ||
355 | static int dev_open(struct sr_dev_inst *sdi) | |
356 | { | |
23f43dff | 357 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) |
13f2b9d7 | 358 | return SR_ERR; |
06a3e78a | 359 | |
719eff68 | 360 | if (hmo_scope_state_get(sdi) != SR_OK) |
13f2b9d7 | 361 | return SR_ERR; |
06a3e78a DJ |
362 | |
363 | sdi->status = SR_ST_ACTIVE; | |
364 | ||
365 | return SR_OK; | |
366 | } | |
367 | ||
368 | static int dev_close(struct sr_dev_inst *sdi) | |
369 | { | |
13f2b9d7 DJ |
370 | if (sdi->status == SR_ST_INACTIVE) |
371 | return SR_OK; | |
06a3e78a | 372 | |
23f43dff | 373 | sr_scpi_close(sdi->conn); |
06a3e78a DJ |
374 | |
375 | sdi->status = SR_ST_INACTIVE; | |
376 | ||
377 | return SR_OK; | |
378 | } | |
379 | ||
380 | static int cleanup(void) | |
381 | { | |
382 | dev_clear(); | |
383 | ||
06a3e78a DJ |
384 | return SR_OK; |
385 | } | |
386 | ||
13f2b9d7 DJ |
387 | static int check_probe_group(struct dev_context *devc, |
388 | const struct sr_probe_group *probe_group) | |
389 | { | |
390 | unsigned int i; | |
391 | struct scope_config *model; | |
392 | ||
393 | model = devc->model_config; | |
394 | ||
395 | if (!probe_group) | |
396 | return PG_NONE; | |
397 | ||
398 | for (i = 0; i < model->analog_channels; ++i) | |
399 | if (probe_group == &devc->analog_groups[i]) | |
400 | return PG_ANALOG; | |
401 | ||
402 | for (i = 0; i < model->digital_pods; ++i) | |
403 | if (probe_group == &devc->digital_groups[i]) | |
404 | return PG_DIGITAL; | |
405 | ||
406 | sr_err("Invalid probe group specified."); | |
89280b1a | 407 | |
13f2b9d7 DJ |
408 | return PG_INVALID; |
409 | } | |
410 | ||
411 | static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
412 | const struct sr_probe_group *probe_group) | |
06a3e78a | 413 | { |
89280b1a | 414 | int ret, pg_type; |
13f2b9d7 | 415 | unsigned int i; |
13f2b9d7 DJ |
416 | struct dev_context *devc; |
417 | struct scope_config *model; | |
14a2f74d | 418 | struct scope_state *state; |
13f2b9d7 DJ |
419 | |
420 | if (!sdi || !(devc = sdi->priv)) | |
421 | return SR_ERR_ARG; | |
422 | ||
423 | if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID) | |
424 | return SR_ERR; | |
06a3e78a | 425 | |
13f2b9d7 DJ |
426 | ret = SR_ERR_NA; |
427 | model = devc->model_config; | |
14a2f74d | 428 | state = devc->model_state; |
06a3e78a | 429 | |
06a3e78a | 430 | switch (key) { |
13f2b9d7 DJ |
431 | case SR_CONF_NUM_TIMEBASE: |
432 | *data = g_variant_new_int32(model->num_xdivs); | |
433 | ret = SR_OK; | |
434 | break; | |
13f2b9d7 DJ |
435 | case SR_CONF_NUM_VDIV: |
436 | if (pg_type == PG_NONE) { | |
437 | sr_err("No probe group specified."); | |
438 | return SR_ERR_PROBE_GROUP; | |
13f2b9d7 DJ |
439 | } else if (pg_type == PG_ANALOG) { |
440 | for (i = 0; i < model->analog_channels; ++i) { | |
082972e8 UH |
441 | if (probe_group != &devc->analog_groups[i]) |
442 | continue; | |
443 | *data = g_variant_new_int32(model->num_ydivs); | |
444 | ret = SR_OK; | |
445 | break; | |
13f2b9d7 DJ |
446 | } |
447 | ||
ccf14618 DJ |
448 | } else { |
449 | ret = SR_ERR_NA; | |
450 | } | |
451 | break; | |
452 | case SR_CONF_TRIGGER_SOURCE: | |
453 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
454 | ret = SR_OK; | |
455 | break; | |
456 | case SR_CONF_COUPLING: | |
457 | if (pg_type == PG_NONE) { | |
458 | sr_err("No probe group specified."); | |
459 | return SR_ERR_PROBE_GROUP; | |
460 | } else if (pg_type == PG_ANALOG) { | |
461 | for (i = 0; i < model->analog_channels; ++i) { | |
462 | if (probe_group != &devc->analog_groups[i]) | |
463 | continue; | |
464 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); | |
465 | ret = SR_OK; | |
466 | break; | |
467 | } | |
468 | ||
13f2b9d7 DJ |
469 | } else { |
470 | ret = SR_ERR_NA; | |
471 | } | |
472 | break; | |
14a2f74d DJ |
473 | case SR_CONF_SAMPLERATE: |
474 | *data = g_variant_new_uint64(state->sample_rate); | |
475 | ret = SR_OK; | |
476 | break; | |
06a3e78a | 477 | default: |
13f2b9d7 | 478 | ret = SR_ERR_NA; |
06a3e78a DJ |
479 | } |
480 | ||
481 | return ret; | |
482 | } | |
483 | ||
13f2b9d7 DJ |
484 | static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n) |
485 | { | |
486 | unsigned int i; | |
13f2b9d7 DJ |
487 | GVariant *rational[2]; |
488 | GVariantBuilder gvb; | |
489 | ||
490 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
491 | ||
492 | for (i = 0; i < n; i++) { | |
493 | rational[0] = g_variant_new_uint64((*array)[i][0]); | |
494 | rational[1] = g_variant_new_uint64((*array)[i][1]); | |
495 | ||
89280b1a | 496 | /* FIXME: Valgrind reports a memory leak here. */ |
13f2b9d7 DJ |
497 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); |
498 | } | |
499 | ||
500 | return g_variant_builder_end(&gvb); | |
501 | } | |
502 | ||
503 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, | |
504 | const struct sr_probe_group *probe_group) | |
06a3e78a | 505 | { |
89280b1a UH |
506 | int ret, pg_type; |
507 | unsigned int i, j; | |
965b463d | 508 | char command[MAX_COMMAND_SIZE], float_str[30]; |
13f2b9d7 DJ |
509 | struct dev_context *devc; |
510 | struct scope_config *model; | |
511 | struct scope_state *state; | |
89280b1a UH |
512 | const char *tmp; |
513 | uint64_t p, q, tmp_u64; | |
514 | double tmp_d; | |
23e1ea7a | 515 | gboolean update_sample_rate; |
06a3e78a | 516 | |
13f2b9d7 DJ |
517 | if (!sdi || !(devc = sdi->priv)) |
518 | return SR_ERR_ARG; | |
519 | ||
520 | if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID) | |
521 | return SR_ERR; | |
522 | ||
523 | model = devc->model_config; | |
524 | state = devc->model_state; | |
23e1ea7a | 525 | update_sample_rate = FALSE; |
13f2b9d7 DJ |
526 | |
527 | ret = SR_ERR_NA; | |
06a3e78a | 528 | |
06a3e78a | 529 | switch (key) { |
13f2b9d7 DJ |
530 | case SR_CONF_LIMIT_FRAMES: |
531 | devc->frame_limit = g_variant_get_uint64(data); | |
532 | ret = SR_OK; | |
533 | break; | |
13f2b9d7 | 534 | case SR_CONF_TRIGGER_SOURCE: |
13f2b9d7 | 535 | tmp = g_variant_get_string(data, NULL); |
13f2b9d7 | 536 | for (i = 0; (*model->trigger_sources)[i]; i++) { |
082972e8 UH |
537 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) |
538 | continue; | |
539 | state->trigger_source = i; | |
540 | g_snprintf(command, sizeof(command), | |
541 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE], | |
542 | (*model->trigger_sources)[i]); | |
13f2b9d7 | 543 | |
082972e8 UH |
544 | ret = sr_scpi_send(sdi->conn, command); |
545 | break; | |
13f2b9d7 | 546 | } |
89280b1a | 547 | break; |
13f2b9d7 | 548 | case SR_CONF_VDIV: |
13f2b9d7 DJ |
549 | if (pg_type == PG_NONE) { |
550 | sr_err("No probe group specified."); | |
551 | return SR_ERR_PROBE_GROUP; | |
552 | } | |
553 | ||
554 | g_variant_get(data, "(tt)", &p, &q); | |
555 | ||
556 | for (i = 0; i < model->num_vdivs; i++) { | |
082972e8 UH |
557 | if (p != (*model->vdivs)[i][0] || |
558 | q != (*model->vdivs)[i][1]) | |
559 | continue; | |
560 | for (j = 1; j <= model->analog_channels; ++j) { | |
561 | if (probe_group != &devc->analog_groups[j - 1]) | |
562 | continue; | |
8de2dc3b | 563 | state->analog_channels[j - 1].vdiv = i; |
965b463d | 564 | g_ascii_formatd(float_str, sizeof(float_str), "%E", (float) p / q); |
082972e8 UH |
565 | g_snprintf(command, sizeof(command), |
566 | (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV], | |
965b463d | 567 | j, float_str); |
082972e8 UH |
568 | |
569 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
570 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
571 | return SR_ERR; | |
13f2b9d7 | 572 | |
13f2b9d7 DJ |
573 | break; |
574 | } | |
082972e8 UH |
575 | |
576 | ret = SR_OK; | |
577 | break; | |
13f2b9d7 | 578 | } |
89280b1a | 579 | break; |
13f2b9d7 | 580 | case SR_CONF_TIMEBASE: |
13f2b9d7 DJ |
581 | g_variant_get(data, "(tt)", &p, &q); |
582 | ||
583 | for (i = 0; i < model->num_timebases; i++) { | |
082972e8 UH |
584 | if (p != (*model->timebases)[i][0] || |
585 | q != (*model->timebases)[i][1]) | |
586 | continue; | |
8de2dc3b | 587 | state->timebase = i; |
965b463d | 588 | g_ascii_formatd(float_str, sizeof(float_str), "%E", (float) p / q); |
082972e8 UH |
589 | g_snprintf(command, sizeof(command), |
590 | (*model->scpi_dialect)[SCPI_CMD_SET_TIMEBASE], | |
965b463d | 591 | float_str); |
13f2b9d7 | 592 | |
082972e8 | 593 | ret = sr_scpi_send(sdi->conn, command); |
23e1ea7a | 594 | update_sample_rate = TRUE; |
082972e8 | 595 | break; |
13f2b9d7 | 596 | } |
89280b1a | 597 | break; |
13f2b9d7 | 598 | case SR_CONF_HORIZ_TRIGGERPOS: |
89280b1a | 599 | tmp_d = g_variant_get_double(data); |
13f2b9d7 | 600 | |
89280b1a | 601 | if (tmp_d < 0.0 || tmp_d > 1.0) |
13f2b9d7 DJ |
602 | return SR_ERR; |
603 | ||
89280b1a | 604 | state->horiz_triggerpos = -(tmp_d - 0.5) * state->timebase * model->num_xdivs; |
13f2b9d7 DJ |
605 | g_snprintf(command, sizeof(command), |
606 | (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS], | |
607 | state->horiz_triggerpos); | |
608 | ||
609 | ret = sr_scpi_send(sdi->conn, command); | |
89280b1a | 610 | break; |
13f2b9d7 | 611 | case SR_CONF_TRIGGER_SLOPE: |
89280b1a | 612 | tmp_u64 = g_variant_get_uint64(data); |
13f2b9d7 | 613 | |
89280b1a | 614 | if (tmp_u64 != 0 && tmp_u64 != 1) |
13f2b9d7 DJ |
615 | return SR_ERR; |
616 | ||
89280b1a | 617 | state->trigger_slope = tmp_u64; |
13f2b9d7 DJ |
618 | |
619 | g_snprintf(command, sizeof(command), | |
620 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE], | |
89280b1a | 621 | tmp_u64 ? "POS" : "NEG"); |
13f2b9d7 DJ |
622 | |
623 | ret = sr_scpi_send(sdi->conn, command); | |
89280b1a | 624 | break; |
13f2b9d7 | 625 | case SR_CONF_COUPLING: |
13f2b9d7 DJ |
626 | if (pg_type == PG_NONE) { |
627 | sr_err("No probe group specified."); | |
628 | return SR_ERR_PROBE_GROUP; | |
629 | } | |
630 | ||
631 | tmp = g_variant_get_string(data, NULL); | |
632 | ||
633 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
082972e8 UH |
634 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) |
635 | continue; | |
636 | for (j = 1; j <= model->analog_channels; ++j) { | |
637 | if (probe_group != &devc->analog_groups[j - 1]) | |
638 | continue; | |
639 | state->analog_channels[j-1].coupling = i; | |
13f2b9d7 | 640 | |
082972e8 UH |
641 | g_snprintf(command, sizeof(command), |
642 | (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING], | |
643 | j, tmp); | |
644 | ||
645 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
646 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
647 | return SR_ERR; | |
13f2b9d7 DJ |
648 | break; |
649 | } | |
082972e8 UH |
650 | |
651 | ret = SR_OK; | |
652 | break; | |
13f2b9d7 | 653 | } |
89280b1a | 654 | break; |
06a3e78a DJ |
655 | default: |
656 | ret = SR_ERR_NA; | |
13f2b9d7 | 657 | break; |
06a3e78a DJ |
658 | } |
659 | ||
13f2b9d7 DJ |
660 | if (ret == SR_OK) |
661 | ret = sr_scpi_get_opc(sdi->conn); | |
662 | ||
23e1ea7a DJ |
663 | if (ret == SR_OK && update_sample_rate) |
664 | ret = hmo_update_sample_rate(sdi); | |
665 | ||
06a3e78a DJ |
666 | return ret; |
667 | } | |
668 | ||
13f2b9d7 | 669 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
89280b1a | 670 | const struct sr_probe_group *probe_group) |
06a3e78a | 671 | { |
13f2b9d7 | 672 | int pg_type; |
13f2b9d7 DJ |
673 | struct dev_context *devc; |
674 | struct scope_config *model; | |
675 | ||
676 | if (!sdi || !(devc = sdi->priv)) | |
677 | return SR_ERR_ARG; | |
06a3e78a | 678 | |
13f2b9d7 DJ |
679 | if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID) |
680 | return SR_ERR; | |
681 | ||
682 | model = devc->model_config; | |
06a3e78a | 683 | |
06a3e78a | 684 | switch (key) { |
13f2b9d7 DJ |
685 | case SR_CONF_DEVICE_OPTIONS: |
686 | if (pg_type == PG_NONE) { | |
687 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
89280b1a UH |
688 | model->hw_caps, model->num_hwcaps, |
689 | sizeof(int32_t)); | |
13f2b9d7 DJ |
690 | } else if (pg_type == PG_ANALOG) { |
691 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
89280b1a UH |
692 | model->analog_hwcaps, model->num_analog_hwcaps, |
693 | sizeof(int32_t)); | |
13f2b9d7 DJ |
694 | } else { |
695 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
89280b1a | 696 | NULL, 0, sizeof(int32_t)); |
13f2b9d7 DJ |
697 | } |
698 | break; | |
13f2b9d7 DJ |
699 | case SR_CONF_COUPLING: |
700 | if (pg_type == PG_NONE) | |
701 | return SR_ERR_PROBE_GROUP; | |
13f2b9d7 | 702 | *data = g_variant_new_strv(*model->coupling_options, |
89280b1a | 703 | g_strv_length((char **)*model->coupling_options)); |
13f2b9d7 | 704 | break; |
13f2b9d7 DJ |
705 | case SR_CONF_TRIGGER_SOURCE: |
706 | *data = g_variant_new_strv(*model->trigger_sources, | |
89280b1a | 707 | g_strv_length((char **)*model->trigger_sources)); |
13f2b9d7 | 708 | break; |
13f2b9d7 DJ |
709 | case SR_CONF_TIMEBASE: |
710 | *data = build_tuples(model->timebases, model->num_timebases); | |
711 | break; | |
13f2b9d7 DJ |
712 | case SR_CONF_VDIV: |
713 | if (pg_type == PG_NONE) | |
714 | return SR_ERR_PROBE_GROUP; | |
13f2b9d7 DJ |
715 | *data = build_tuples(model->vdivs, model->num_vdivs); |
716 | break; | |
06a3e78a DJ |
717 | default: |
718 | return SR_ERR_NA; | |
719 | } | |
720 | ||
13f2b9d7 | 721 | return SR_OK; |
06a3e78a DJ |
722 | } |
723 | ||
13f2b9d7 | 724 | SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi) |
06a3e78a | 725 | { |
13f2b9d7 | 726 | char command[MAX_COMMAND_SIZE]; |
13f2b9d7 DJ |
727 | struct sr_probe *probe; |
728 | struct dev_context *devc; | |
729 | struct scope_config *model; | |
730 | ||
731 | devc = sdi->priv; | |
732 | model = devc->model_config; | |
733 | ||
734 | probe = devc->current_probe->data; | |
735 | ||
736 | switch (probe->type) { | |
737 | case SR_PROBE_ANALOG: | |
738 | g_snprintf(command, sizeof(command), | |
739 | (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA], | |
740 | probe->index + 1); | |
741 | break; | |
742 | case SR_PROBE_LOGIC: | |
743 | g_snprintf(command, sizeof(command), | |
744 | (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA], | |
745 | probe->index < 8 ? 1 : 2); | |
746 | break; | |
747 | default: | |
89280b1a | 748 | sr_err("Invalid probe type."); |
13f2b9d7 DJ |
749 | break; |
750 | } | |
751 | ||
752 | return sr_scpi_send(sdi->conn, command); | |
753 | } | |
754 | ||
755 | static int hmo_check_probes(GSList *probes) | |
756 | { | |
757 | GSList *l; | |
13f2b9d7 | 758 | struct sr_probe *probe; |
89280b1a | 759 | gboolean enabled_pod1, enabled_pod2, enabled_chan3, enabled_chan4; |
13f2b9d7 | 760 | |
89280b1a | 761 | enabled_pod1 = enabled_pod2 = enabled_chan3 = enabled_chan4 = FALSE; |
13f2b9d7 DJ |
762 | |
763 | for (l = probes; l; l = l->next) { | |
764 | probe = l->data; | |
13f2b9d7 DJ |
765 | switch (probe->type) { |
766 | case SR_PROBE_ANALOG: | |
767 | if (probe->index == 2) | |
768 | enabled_chan3 = TRUE; | |
769 | else if (probe->index == 3) | |
770 | enabled_chan4 = TRUE; | |
771 | break; | |
13f2b9d7 DJ |
772 | case SR_PROBE_LOGIC: |
773 | if (probe->index < 8) | |
774 | enabled_pod1 = TRUE; | |
775 | else | |
776 | enabled_pod2 = TRUE; | |
777 | break; | |
13f2b9d7 DJ |
778 | default: |
779 | return SR_ERR; | |
780 | } | |
781 | } | |
782 | ||
783 | if ((enabled_pod1 && enabled_chan3) || | |
784 | (enabled_pod2 && enabled_chan4)) | |
785 | return SR_ERR; | |
786 | ||
787 | return SR_OK; | |
788 | } | |
789 | ||
790 | static int hmo_setup_probes(const struct sr_dev_inst *sdi) | |
791 | { | |
792 | GSList *l; | |
793 | unsigned int i; | |
23e1ea7a | 794 | gboolean *pod_enabled, setup_changed; |
13f2b9d7 | 795 | char command[MAX_COMMAND_SIZE]; |
13f2b9d7 DJ |
796 | struct scope_state *state; |
797 | struct scope_config *model; | |
13f2b9d7 DJ |
798 | struct sr_probe *probe; |
799 | struct dev_context *devc; | |
23f43dff | 800 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 DJ |
801 | |
802 | devc = sdi->priv; | |
23f43dff | 803 | scpi = sdi->conn; |
13f2b9d7 DJ |
804 | state = devc->model_state; |
805 | model = devc->model_config; | |
23e1ea7a | 806 | setup_changed = FALSE; |
13f2b9d7 DJ |
807 | |
808 | pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods); | |
809 | ||
810 | for (l = sdi->probes; l; l = l->next) { | |
811 | probe = l->data; | |
13f2b9d7 DJ |
812 | switch (probe->type) { |
813 | case SR_PROBE_ANALOG: | |
082972e8 UH |
814 | if (probe->enabled == state->analog_channels[probe->index].state) |
815 | break; | |
816 | g_snprintf(command, sizeof(command), | |
817 | (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE], | |
818 | probe->index + 1, probe->enabled); | |
13f2b9d7 | 819 | |
23f43dff | 820 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 UH |
821 | return SR_ERR; |
822 | state->analog_channels[probe->index].state = probe->enabled; | |
23e1ea7a | 823 | setup_changed = TRUE; |
89280b1a | 824 | break; |
13f2b9d7 | 825 | case SR_PROBE_LOGIC: |
13f2b9d7 DJ |
826 | /* |
827 | * A digital POD needs to be enabled for every group of | |
828 | * 8 probes. | |
829 | */ | |
830 | if (probe->enabled) | |
831 | pod_enabled[probe->index < 8 ? 0 : 1] = TRUE; | |
832 | ||
082972e8 UH |
833 | if (probe->enabled == state->digital_channels[probe->index]) |
834 | break; | |
835 | g_snprintf(command, sizeof(command), | |
836 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE], | |
837 | probe->index, probe->enabled); | |
13f2b9d7 | 838 | |
23f43dff | 839 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 | 840 | return SR_ERR; |
13f2b9d7 | 841 | |
082972e8 | 842 | state->digital_channels[probe->index] = probe->enabled; |
23e1ea7a | 843 | setup_changed = TRUE; |
89280b1a | 844 | break; |
13f2b9d7 DJ |
845 | default: |
846 | return SR_ERR; | |
847 | } | |
848 | } | |
849 | ||
850 | for (i = 1; i <= model->digital_pods; ++i) { | |
082972e8 UH |
851 | if (state->digital_pods[i - 1] == pod_enabled[i - 1]) |
852 | continue; | |
853 | g_snprintf(command, sizeof(command), | |
854 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE], | |
855 | i, pod_enabled[i - 1]); | |
23f43dff | 856 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 UH |
857 | return SR_ERR; |
858 | state->digital_pods[i - 1] = pod_enabled[i - 1]; | |
23e1ea7a | 859 | setup_changed = TRUE; |
13f2b9d7 DJ |
860 | } |
861 | ||
862 | g_free(pod_enabled); | |
863 | ||
23e1ea7a DJ |
864 | if (setup_changed && hmo_update_sample_rate(sdi) != SR_OK) |
865 | return SR_ERR; | |
866 | ||
13f2b9d7 DJ |
867 | return SR_OK; |
868 | } | |
869 | ||
870 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
871 | { | |
872 | GSList *l; | |
873 | gboolean digital_added; | |
13f2b9d7 DJ |
874 | struct sr_probe *probe; |
875 | struct dev_context *devc; | |
23f43dff | 876 | struct sr_scpi_dev_inst *scpi; |
06a3e78a DJ |
877 | |
878 | if (sdi->status != SR_ST_ACTIVE) | |
879 | return SR_ERR_DEV_CLOSED; | |
880 | ||
23f43dff | 881 | scpi = sdi->conn; |
13f2b9d7 DJ |
882 | devc = sdi->priv; |
883 | digital_added = FALSE; | |
884 | ||
885 | for (l = sdi->probes; l; l = l->next) { | |
886 | probe = l->data; | |
082972e8 UH |
887 | if (!probe->enabled) |
888 | continue; | |
889 | /* Only add a single digital probe. */ | |
890 | if (probe->type != SR_PROBE_LOGIC || !digital_added) { | |
891 | devc->enabled_probes = g_slist_append( | |
892 | devc->enabled_probes, probe); | |
893 | if (probe->type == SR_PROBE_LOGIC) | |
894 | digital_added = TRUE; | |
13f2b9d7 DJ |
895 | } |
896 | } | |
06a3e78a | 897 | |
13f2b9d7 DJ |
898 | if (!devc->enabled_probes) |
899 | return SR_ERR; | |
900 | ||
901 | if (hmo_check_probes(devc->enabled_probes) != SR_OK) { | |
902 | sr_err("Invalid probe configuration specified!"); | |
903 | return SR_ERR_NA; | |
904 | } | |
905 | ||
906 | if (hmo_setup_probes(sdi) != SR_OK) { | |
907 | sr_err("Failed to setup probe configuration!"); | |
908 | return SR_ERR; | |
909 | } | |
910 | ||
23f43dff | 911 | sr_scpi_source_add(scpi, G_IO_IN, 50, hmo_receive_data, (void *)sdi); |
13f2b9d7 DJ |
912 | |
913 | /* Send header packet to the session bus. */ | |
914 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
915 | ||
916 | devc->current_probe = devc->enabled_probes; | |
917 | ||
918 | return hmo_request_data(sdi); | |
06a3e78a DJ |
919 | } |
920 | ||
921 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
922 | { | |
13f2b9d7 | 923 | struct dev_context *devc; |
23f43dff | 924 | struct sr_scpi_dev_inst *scpi; |
66e3219d | 925 | struct sr_datafeed_packet packet; |
13f2b9d7 | 926 | |
06a3e78a DJ |
927 | (void)cb_data; |
928 | ||
66e3219d DJ |
929 | packet.type = SR_DF_END; |
930 | packet.payload = NULL; | |
931 | sr_session_send(sdi, &packet); | |
932 | ||
06a3e78a DJ |
933 | if (sdi->status != SR_ST_ACTIVE) |
934 | return SR_ERR_DEV_CLOSED; | |
935 | ||
13f2b9d7 DJ |
936 | devc = sdi->priv; |
937 | ||
ef1a346b | 938 | devc->num_frames = 0; |
13f2b9d7 DJ |
939 | g_slist_free(devc->enabled_probes); |
940 | devc->enabled_probes = NULL; | |
23f43dff ML |
941 | scpi = sdi->conn; |
942 | sr_scpi_source_remove(scpi); | |
06a3e78a DJ |
943 | |
944 | return SR_OK; | |
945 | } | |
946 | ||
947 | SR_PRIV struct sr_dev_driver hameg_hmo_driver_info = { | |
948 | .name = "hameg-hmo", | |
89280b1a | 949 | .longname = "Hameg HMO", |
06a3e78a DJ |
950 | .api_version = 1, |
951 | .init = init, | |
952 | .cleanup = cleanup, | |
953 | .scan = scan, | |
954 | .dev_list = dev_list, | |
955 | .dev_clear = dev_clear, | |
956 | .config_get = config_get, | |
957 | .config_set = config_set, | |
958 | .config_list = config_list, | |
959 | .dev_open = dev_open, | |
960 | .dev_close = dev_close, | |
961 | .dev_acquisition_start = dev_acquisition_start, | |
962 | .dev_acquisition_stop = dev_acquisition_stop, | |
963 | .priv = NULL, | |
964 | }; |