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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 | ||
26 | static const int32_t hwopts[] = { | |
27 | SR_CONF_CONN, | |
28 | SR_CONF_SERIALCOMM, | |
29 | }; | |
30 | ||
31 | struct usb_id_info { | |
32 | uint16_t vendor_id; | |
33 | uint16_t product_id; | |
89280b1a | 34 | }; |
13f2b9d7 DJ |
35 | |
36 | static struct usb_id_info ho_models[] = { | |
89280b1a UH |
37 | { 0x0403, 0xed72 }, /* HO720 */ |
38 | { 0x0403, 0xed73 }, /* HO730 */ | |
13f2b9d7 | 39 | }; |
06a3e78a | 40 | |
719eff68 UH |
41 | enum { |
42 | PG_INVALID = -1, | |
43 | PG_NONE, | |
44 | PG_ANALOG, | |
45 | PG_DIGITAL, | |
46 | }; | |
47 | ||
06a3e78a DJ |
48 | static int init(struct sr_context *sr_ctx) |
49 | { | |
50 | return std_init(sr_ctx, di, LOG_PREFIX); | |
51 | } | |
52 | ||
13f2b9d7 DJ |
53 | /** |
54 | * Find USB serial devices via the USB vendor ID and product ID. | |
55 | * | |
89280b1a UH |
56 | * @param vendor_id Vendor ID of the USB device. |
57 | * @param product_id Product ID of the USB device. | |
13f2b9d7 | 58 | * |
89280b1a UH |
59 | * @return A GSList of strings containing the path of the serial device or |
60 | * NULL if no serial device is found. The returned list must be freed | |
61 | * by the caller. | |
13f2b9d7 | 62 | */ |
89280b1a | 63 | static GSList *auto_find_usb(uint16_t vendor_id, uint16_t product_id) |
13f2b9d7 DJ |
64 | { |
65 | #ifdef __linux__ | |
66 | const gchar *usb_dev; | |
67 | const char device_tree[] = "/sys/bus/usb/devices/"; | |
89280b1a | 68 | GDir *devices_dir, *device_dir; |
13f2b9d7 | 69 | GSList *l = NULL; |
89280b1a | 70 | GSList *tty_devs; |
13f2b9d7 | 71 | GSList *matched_paths; |
89280b1a UH |
72 | FILE *fd; |
73 | char tmp[5]; | |
74 | gchar *vendor_path, *product_path, *path_copy; | |
75 | gchar *prefix, *subdir_path, *device_path, *tty_path; | |
76 | unsigned long read_vendor_id, read_product_id; | |
77 | const char *file; | |
13f2b9d7 DJ |
78 | |
79 | l = NULL; | |
89280b1a | 80 | tty_devs = NULL; |
13f2b9d7 DJ |
81 | matched_paths = NULL; |
82 | ||
83 | if (!(devices_dir = g_dir_open(device_tree, 0, NULL))) | |
84 | return NULL; | |
85 | ||
86 | /* | |
87 | * Find potential candidates using the vendor ID and product ID | |
89280b1a | 88 | * and store them in matched_paths. |
13f2b9d7 DJ |
89 | */ |
90 | while ((usb_dev = g_dir_read_name(devices_dir))) { | |
13f2b9d7 DJ |
91 | vendor_path = g_strconcat(device_tree, |
92 | usb_dev, "/idVendor", NULL); | |
93 | product_path = g_strconcat(device_tree, | |
94 | usb_dev, "/idProduct", NULL); | |
95 | ||
96 | if (!g_file_test(vendor_path, G_FILE_TEST_EXISTS) || | |
97 | !g_file_test(product_path, G_FILE_TEST_EXISTS)) | |
98 | goto skip_device; | |
99 | ||
100 | if ((fd = g_fopen(vendor_path, "r")) == NULL) | |
101 | goto skip_device; | |
102 | ||
103 | if (fgets(tmp, sizeof(tmp), fd) == NULL) { | |
104 | fclose(fd); | |
105 | goto skip_device; | |
106 | } | |
107 | read_vendor_id = strtoul(tmp, NULL, 16); | |
108 | ||
109 | fclose(fd); | |
110 | ||
111 | if ((fd = g_fopen(product_path, "r")) == NULL) | |
112 | goto skip_device; | |
113 | ||
114 | if (fgets(tmp, sizeof(tmp), fd) == NULL) { | |
115 | fclose(fd); | |
116 | goto skip_device; | |
117 | } | |
118 | read_product_id = strtoul(tmp, NULL, 16); | |
119 | ||
120 | fclose(fd); | |
121 | ||
122 | if (vendor_id == read_vendor_id && | |
123 | product_id == read_product_id) { | |
13f2b9d7 DJ |
124 | path_copy = g_strdup(usb_dev); |
125 | matched_paths = g_slist_prepend(matched_paths, | |
126 | path_copy); | |
127 | } | |
128 | ||
89280b1a | 129 | skip_device: |
13f2b9d7 DJ |
130 | g_free(vendor_path); |
131 | g_free(product_path); | |
132 | } | |
133 | g_dir_close(devices_dir); | |
134 | ||
89280b1a | 135 | /* For every matched device try to find a ttyUSBX subfolder. */ |
13f2b9d7 | 136 | for (l = matched_paths; l; l = l->next) { |
13f2b9d7 DJ |
137 | subdir_path = NULL; |
138 | ||
139 | device_path = g_strconcat(device_tree, l->data, NULL); | |
140 | ||
141 | if (!(device_dir = g_dir_open(device_path, 0, NULL))) { | |
142 | g_free(device_path); | |
143 | continue; | |
144 | } | |
145 | ||
146 | prefix = g_strconcat(l->data, ":", NULL); | |
147 | ||
148 | while ((file = g_dir_read_name(device_dir))) { | |
149 | if (g_str_has_prefix(file, prefix)) { | |
150 | subdir_path = g_strconcat(device_path, | |
89280b1a | 151 | "/", file, NULL); |
13f2b9d7 DJ |
152 | break; |
153 | } | |
154 | } | |
155 | g_dir_close(device_dir); | |
156 | ||
157 | g_free(prefix); | |
158 | g_free(device_path); | |
159 | ||
160 | if (subdir_path) { | |
161 | if (!(device_dir = g_dir_open(subdir_path, 0, NULL))) { | |
162 | g_free(subdir_path); | |
163 | continue; | |
164 | } | |
165 | g_free(subdir_path); | |
166 | ||
167 | while ((file = g_dir_read_name(device_dir))) { | |
168 | if (g_str_has_prefix(file, "ttyUSB")) { | |
13f2b9d7 DJ |
169 | tty_path = g_strconcat("/dev/", |
170 | file, NULL); | |
89280b1a | 171 | sr_dbg("Found USB device %04x:%04x attached to %s.", |
13f2b9d7 | 172 | vendor_id, product_id, tty_path); |
89280b1a UH |
173 | tty_devs = g_slist_prepend(tty_devs, |
174 | tty_path); | |
13f2b9d7 DJ |
175 | break; |
176 | } | |
177 | } | |
178 | g_dir_close(device_dir); | |
179 | } | |
180 | } | |
181 | g_slist_free_full(matched_paths, g_free); | |
182 | ||
89280b1a | 183 | return tty_devs; |
13f2b9d7 DJ |
184 | #else |
185 | return NULL; | |
186 | #endif | |
187 | } | |
188 | ||
06a3e78a DJ |
189 | static GSList *scan(GSList *options) |
190 | { | |
06a3e78a | 191 | GSList *devices; |
13f2b9d7 DJ |
192 | struct drv_context *drvc; |
193 | struct sr_dev_inst *sdi; | |
89280b1a UH |
194 | const char *serial_device, *serial_options; |
195 | GSList *l, *tty_devs; | |
196 | unsigned int i; | |
06a3e78a | 197 | |
13f2b9d7 DJ |
198 | serial_device = NULL; |
199 | serial_options = SERIALCOMM; | |
13f2b9d7 | 200 | sdi = NULL; |
06a3e78a DJ |
201 | devices = NULL; |
202 | drvc = di->priv; | |
203 | drvc->instances = NULL; | |
204 | ||
13f2b9d7 DJ |
205 | if (sr_serial_extract_options(options, &serial_device, |
206 | &serial_options) == SR_OK) { | |
719eff68 | 207 | sdi = hmo_probe_serial_device(serial_device, serial_options); |
13f2b9d7 DJ |
208 | if (sdi != NULL) { |
209 | devices = g_slist_append(devices, sdi); | |
210 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
211 | } | |
13f2b9d7 | 212 | } else { |
89280b1a | 213 | tty_devs = NULL; |
13f2b9d7 DJ |
214 | |
215 | for (i = 0; i < ARRAY_SIZE(ho_models); i++) { | |
216 | if ((l = auto_find_usb(ho_models[i].vendor_id, | |
217 | ho_models[i].product_id)) == NULL) | |
218 | continue; | |
89280b1a | 219 | tty_devs = g_slist_concat(tty_devs, l); |
13f2b9d7 DJ |
220 | } |
221 | ||
89280b1a | 222 | for (l = tty_devs; l; l = l->next) { |
719eff68 | 223 | sdi = hmo_probe_serial_device(l->data, serial_options); |
13f2b9d7 DJ |
224 | if (sdi != NULL) { |
225 | devices = g_slist_append(devices, sdi); | |
226 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
227 | } | |
228 | } | |
229 | ||
89280b1a | 230 | g_slist_free_full(tty_devs, g_free); |
13f2b9d7 | 231 | } |
06a3e78a DJ |
232 | |
233 | return devices; | |
234 | } | |
235 | ||
236 | static GSList *dev_list(void) | |
237 | { | |
238 | return ((struct drv_context *)(di->priv))->instances; | |
239 | } | |
240 | ||
13f2b9d7 DJ |
241 | static void clear_helper(void *priv) |
242 | { | |
243 | unsigned int i; | |
13f2b9d7 DJ |
244 | struct dev_context *devc; |
245 | struct scope_config *model; | |
246 | ||
247 | devc = priv; | |
248 | model = devc->model_config; | |
249 | ||
719eff68 | 250 | hmo_scope_state_free(devc->model_state); |
13f2b9d7 | 251 | |
89280b1a | 252 | for (i = 0; i < model->analog_channels; ++i) |
13f2b9d7 | 253 | g_slist_free(devc->analog_groups[i].probes); |
13f2b9d7 DJ |
254 | |
255 | for (i = 0; i < model->digital_pods; ++i) { | |
256 | g_slist_free(devc->digital_groups[i].probes); | |
257 | g_free(devc->digital_groups[i].name); | |
258 | } | |
259 | ||
260 | g_free(devc->analog_groups); | |
261 | g_free(devc->digital_groups); | |
262 | ||
263 | g_free(devc); | |
264 | } | |
265 | ||
06a3e78a DJ |
266 | static int dev_clear(void) |
267 | { | |
13f2b9d7 | 268 | return std_dev_clear(di, clear_helper); |
06a3e78a DJ |
269 | } |
270 | ||
271 | static int dev_open(struct sr_dev_inst *sdi) | |
272 | { | |
23f43dff | 273 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) |
13f2b9d7 | 274 | return SR_ERR; |
06a3e78a | 275 | |
719eff68 | 276 | if (hmo_scope_state_get(sdi) != SR_OK) |
13f2b9d7 | 277 | return SR_ERR; |
06a3e78a DJ |
278 | |
279 | sdi->status = SR_ST_ACTIVE; | |
280 | ||
281 | return SR_OK; | |
282 | } | |
283 | ||
284 | static int dev_close(struct sr_dev_inst *sdi) | |
285 | { | |
13f2b9d7 DJ |
286 | if (sdi->status == SR_ST_INACTIVE) |
287 | return SR_OK; | |
06a3e78a | 288 | |
23f43dff | 289 | sr_scpi_close(sdi->conn); |
06a3e78a DJ |
290 | |
291 | sdi->status = SR_ST_INACTIVE; | |
292 | ||
293 | return SR_OK; | |
294 | } | |
295 | ||
296 | static int cleanup(void) | |
297 | { | |
298 | dev_clear(); | |
299 | ||
06a3e78a DJ |
300 | return SR_OK; |
301 | } | |
302 | ||
13f2b9d7 DJ |
303 | static int check_probe_group(struct dev_context *devc, |
304 | const struct sr_probe_group *probe_group) | |
305 | { | |
306 | unsigned int i; | |
307 | struct scope_config *model; | |
308 | ||
309 | model = devc->model_config; | |
310 | ||
311 | if (!probe_group) | |
312 | return PG_NONE; | |
313 | ||
314 | for (i = 0; i < model->analog_channels; ++i) | |
315 | if (probe_group == &devc->analog_groups[i]) | |
316 | return PG_ANALOG; | |
317 | ||
318 | for (i = 0; i < model->digital_pods; ++i) | |
319 | if (probe_group == &devc->digital_groups[i]) | |
320 | return PG_DIGITAL; | |
321 | ||
322 | sr_err("Invalid probe group specified."); | |
89280b1a | 323 | |
13f2b9d7 DJ |
324 | return PG_INVALID; |
325 | } | |
326 | ||
327 | static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
328 | const struct sr_probe_group *probe_group) | |
06a3e78a | 329 | { |
89280b1a | 330 | int ret, pg_type; |
13f2b9d7 | 331 | unsigned int i; |
13f2b9d7 DJ |
332 | struct dev_context *devc; |
333 | struct scope_config *model; | |
334 | ||
335 | if (!sdi || !(devc = sdi->priv)) | |
336 | return SR_ERR_ARG; | |
337 | ||
338 | if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID) | |
339 | return SR_ERR; | |
06a3e78a | 340 | |
13f2b9d7 DJ |
341 | ret = SR_ERR_NA; |
342 | model = devc->model_config; | |
06a3e78a | 343 | |
06a3e78a | 344 | switch (key) { |
13f2b9d7 DJ |
345 | case SR_CONF_NUM_TIMEBASE: |
346 | *data = g_variant_new_int32(model->num_xdivs); | |
347 | ret = SR_OK; | |
348 | break; | |
13f2b9d7 DJ |
349 | case SR_CONF_NUM_VDIV: |
350 | if (pg_type == PG_NONE) { | |
351 | sr_err("No probe group specified."); | |
352 | return SR_ERR_PROBE_GROUP; | |
13f2b9d7 DJ |
353 | } else if (pg_type == PG_ANALOG) { |
354 | for (i = 0; i < model->analog_channels; ++i) { | |
082972e8 UH |
355 | if (probe_group != &devc->analog_groups[i]) |
356 | continue; | |
357 | *data = g_variant_new_int32(model->num_ydivs); | |
358 | ret = SR_OK; | |
359 | break; | |
13f2b9d7 DJ |
360 | } |
361 | ||
362 | } else { | |
363 | ret = SR_ERR_NA; | |
364 | } | |
365 | break; | |
06a3e78a | 366 | default: |
13f2b9d7 | 367 | ret = SR_ERR_NA; |
06a3e78a DJ |
368 | } |
369 | ||
370 | return ret; | |
371 | } | |
372 | ||
13f2b9d7 DJ |
373 | static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n) |
374 | { | |
375 | unsigned int i; | |
13f2b9d7 DJ |
376 | GVariant *rational[2]; |
377 | GVariantBuilder gvb; | |
378 | ||
379 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
380 | ||
381 | for (i = 0; i < n; i++) { | |
382 | rational[0] = g_variant_new_uint64((*array)[i][0]); | |
383 | rational[1] = g_variant_new_uint64((*array)[i][1]); | |
384 | ||
89280b1a | 385 | /* FIXME: Valgrind reports a memory leak here. */ |
13f2b9d7 DJ |
386 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); |
387 | } | |
388 | ||
389 | return g_variant_builder_end(&gvb); | |
390 | } | |
391 | ||
392 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, | |
393 | const struct sr_probe_group *probe_group) | |
06a3e78a | 394 | { |
89280b1a UH |
395 | int ret, pg_type; |
396 | unsigned int i, j; | |
13f2b9d7 | 397 | char command[MAX_COMMAND_SIZE]; |
13f2b9d7 DJ |
398 | struct dev_context *devc; |
399 | struct scope_config *model; | |
400 | struct scope_state *state; | |
89280b1a UH |
401 | const char *tmp; |
402 | uint64_t p, q, tmp_u64; | |
403 | double tmp_d; | |
06a3e78a | 404 | |
13f2b9d7 DJ |
405 | if (!sdi || !(devc = sdi->priv)) |
406 | return SR_ERR_ARG; | |
407 | ||
408 | if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID) | |
409 | return SR_ERR; | |
410 | ||
411 | model = devc->model_config; | |
412 | state = devc->model_state; | |
413 | ||
414 | ret = SR_ERR_NA; | |
06a3e78a | 415 | |
06a3e78a | 416 | switch (key) { |
13f2b9d7 DJ |
417 | case SR_CONF_LIMIT_FRAMES: |
418 | devc->frame_limit = g_variant_get_uint64(data); | |
419 | ret = SR_OK; | |
420 | break; | |
13f2b9d7 | 421 | case SR_CONF_TRIGGER_SOURCE: |
13f2b9d7 | 422 | tmp = g_variant_get_string(data, NULL); |
13f2b9d7 | 423 | for (i = 0; (*model->trigger_sources)[i]; i++) { |
082972e8 UH |
424 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) |
425 | continue; | |
426 | state->trigger_source = i; | |
427 | g_snprintf(command, sizeof(command), | |
428 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE], | |
429 | (*model->trigger_sources)[i]); | |
13f2b9d7 | 430 | |
082972e8 UH |
431 | ret = sr_scpi_send(sdi->conn, command); |
432 | break; | |
13f2b9d7 | 433 | } |
89280b1a | 434 | break; |
13f2b9d7 | 435 | case SR_CONF_VDIV: |
13f2b9d7 DJ |
436 | if (pg_type == PG_NONE) { |
437 | sr_err("No probe group specified."); | |
438 | return SR_ERR_PROBE_GROUP; | |
439 | } | |
440 | ||
441 | g_variant_get(data, "(tt)", &p, &q); | |
442 | ||
443 | for (i = 0; i < model->num_vdivs; i++) { | |
082972e8 UH |
444 | if (p != (*model->vdivs)[i][0] || |
445 | q != (*model->vdivs)[i][1]) | |
446 | continue; | |
447 | for (j = 1; j <= model->analog_channels; ++j) { | |
448 | if (probe_group != &devc->analog_groups[j - 1]) | |
449 | continue; | |
450 | state->analog_channels[j - 1].vdiv = (float) p / q; | |
451 | g_snprintf(command, sizeof(command), | |
452 | (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV], | |
453 | j, state->analog_channels[j-1].vdiv); | |
454 | ||
455 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
456 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
457 | return SR_ERR; | |
13f2b9d7 | 458 | |
13f2b9d7 DJ |
459 | break; |
460 | } | |
082972e8 UH |
461 | |
462 | ret = SR_OK; | |
463 | break; | |
13f2b9d7 | 464 | } |
89280b1a | 465 | break; |
13f2b9d7 | 466 | case SR_CONF_TIMEBASE: |
13f2b9d7 DJ |
467 | g_variant_get(data, "(tt)", &p, &q); |
468 | ||
469 | for (i = 0; i < model->num_timebases; i++) { | |
082972e8 UH |
470 | if (p != (*model->timebases)[i][0] || |
471 | q != (*model->timebases)[i][1]) | |
472 | continue; | |
473 | state->timebase = (float) p / q; | |
474 | g_snprintf(command, sizeof(command), | |
475 | (*model->scpi_dialect)[SCPI_CMD_SET_TIMEBASE], | |
476 | state->timebase); | |
13f2b9d7 | 477 | |
082972e8 UH |
478 | ret = sr_scpi_send(sdi->conn, command); |
479 | break; | |
13f2b9d7 | 480 | } |
89280b1a | 481 | break; |
13f2b9d7 | 482 | case SR_CONF_HORIZ_TRIGGERPOS: |
89280b1a | 483 | tmp_d = g_variant_get_double(data); |
13f2b9d7 | 484 | |
89280b1a | 485 | if (tmp_d < 0.0 || tmp_d > 1.0) |
13f2b9d7 DJ |
486 | return SR_ERR; |
487 | ||
89280b1a | 488 | state->horiz_triggerpos = -(tmp_d - 0.5) * state->timebase * model->num_xdivs; |
13f2b9d7 DJ |
489 | g_snprintf(command, sizeof(command), |
490 | (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS], | |
491 | state->horiz_triggerpos); | |
492 | ||
493 | ret = sr_scpi_send(sdi->conn, command); | |
89280b1a | 494 | break; |
13f2b9d7 | 495 | case SR_CONF_TRIGGER_SLOPE: |
89280b1a | 496 | tmp_u64 = g_variant_get_uint64(data); |
13f2b9d7 | 497 | |
89280b1a | 498 | if (tmp_u64 != 0 && tmp_u64 != 1) |
13f2b9d7 DJ |
499 | return SR_ERR; |
500 | ||
89280b1a | 501 | state->trigger_slope = tmp_u64; |
13f2b9d7 DJ |
502 | |
503 | g_snprintf(command, sizeof(command), | |
504 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE], | |
89280b1a | 505 | tmp_u64 ? "POS" : "NEG"); |
13f2b9d7 DJ |
506 | |
507 | ret = sr_scpi_send(sdi->conn, command); | |
89280b1a | 508 | break; |
13f2b9d7 | 509 | case SR_CONF_COUPLING: |
13f2b9d7 DJ |
510 | if (pg_type == PG_NONE) { |
511 | sr_err("No probe group specified."); | |
512 | return SR_ERR_PROBE_GROUP; | |
513 | } | |
514 | ||
515 | tmp = g_variant_get_string(data, NULL); | |
516 | ||
517 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
082972e8 UH |
518 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) |
519 | continue; | |
520 | for (j = 1; j <= model->analog_channels; ++j) { | |
521 | if (probe_group != &devc->analog_groups[j - 1]) | |
522 | continue; | |
523 | state->analog_channels[j-1].coupling = i; | |
13f2b9d7 | 524 | |
082972e8 UH |
525 | g_snprintf(command, sizeof(command), |
526 | (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING], | |
527 | j, tmp); | |
528 | ||
529 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
530 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
531 | return SR_ERR; | |
13f2b9d7 DJ |
532 | break; |
533 | } | |
082972e8 UH |
534 | |
535 | ret = SR_OK; | |
536 | break; | |
13f2b9d7 | 537 | } |
89280b1a | 538 | break; |
06a3e78a DJ |
539 | default: |
540 | ret = SR_ERR_NA; | |
13f2b9d7 | 541 | break; |
06a3e78a DJ |
542 | } |
543 | ||
13f2b9d7 DJ |
544 | if (ret == SR_OK) |
545 | ret = sr_scpi_get_opc(sdi->conn); | |
546 | ||
06a3e78a DJ |
547 | return ret; |
548 | } | |
549 | ||
13f2b9d7 | 550 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
89280b1a | 551 | const struct sr_probe_group *probe_group) |
06a3e78a | 552 | { |
13f2b9d7 | 553 | int pg_type; |
13f2b9d7 DJ |
554 | struct dev_context *devc; |
555 | struct scope_config *model; | |
556 | ||
557 | if (!sdi || !(devc = sdi->priv)) | |
558 | return SR_ERR_ARG; | |
06a3e78a | 559 | |
13f2b9d7 DJ |
560 | if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID) |
561 | return SR_ERR; | |
562 | ||
563 | model = devc->model_config; | |
06a3e78a | 564 | |
06a3e78a | 565 | switch (key) { |
13f2b9d7 DJ |
566 | case SR_CONF_DEVICE_OPTIONS: |
567 | if (pg_type == PG_NONE) { | |
568 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
89280b1a UH |
569 | model->hw_caps, model->num_hwcaps, |
570 | sizeof(int32_t)); | |
13f2b9d7 DJ |
571 | } else if (pg_type == PG_ANALOG) { |
572 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
89280b1a UH |
573 | model->analog_hwcaps, model->num_analog_hwcaps, |
574 | sizeof(int32_t)); | |
13f2b9d7 DJ |
575 | } else { |
576 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
89280b1a | 577 | NULL, 0, sizeof(int32_t)); |
13f2b9d7 DJ |
578 | } |
579 | break; | |
13f2b9d7 DJ |
580 | case SR_CONF_COUPLING: |
581 | if (pg_type == PG_NONE) | |
582 | return SR_ERR_PROBE_GROUP; | |
13f2b9d7 | 583 | *data = g_variant_new_strv(*model->coupling_options, |
89280b1a | 584 | g_strv_length((char **)*model->coupling_options)); |
13f2b9d7 | 585 | break; |
13f2b9d7 DJ |
586 | case SR_CONF_TRIGGER_SOURCE: |
587 | *data = g_variant_new_strv(*model->trigger_sources, | |
89280b1a | 588 | g_strv_length((char **)*model->trigger_sources)); |
13f2b9d7 | 589 | break; |
13f2b9d7 DJ |
590 | case SR_CONF_TIMEBASE: |
591 | *data = build_tuples(model->timebases, model->num_timebases); | |
592 | break; | |
13f2b9d7 DJ |
593 | case SR_CONF_VDIV: |
594 | if (pg_type == PG_NONE) | |
595 | return SR_ERR_PROBE_GROUP; | |
13f2b9d7 DJ |
596 | *data = build_tuples(model->vdivs, model->num_vdivs); |
597 | break; | |
06a3e78a DJ |
598 | default: |
599 | return SR_ERR_NA; | |
600 | } | |
601 | ||
13f2b9d7 | 602 | return SR_OK; |
06a3e78a DJ |
603 | } |
604 | ||
13f2b9d7 | 605 | SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi) |
06a3e78a | 606 | { |
13f2b9d7 | 607 | char command[MAX_COMMAND_SIZE]; |
13f2b9d7 DJ |
608 | struct sr_probe *probe; |
609 | struct dev_context *devc; | |
610 | struct scope_config *model; | |
611 | ||
612 | devc = sdi->priv; | |
613 | model = devc->model_config; | |
614 | ||
615 | probe = devc->current_probe->data; | |
616 | ||
617 | switch (probe->type) { | |
618 | case SR_PROBE_ANALOG: | |
619 | g_snprintf(command, sizeof(command), | |
620 | (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA], | |
621 | probe->index + 1); | |
622 | break; | |
623 | case SR_PROBE_LOGIC: | |
624 | g_snprintf(command, sizeof(command), | |
625 | (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA], | |
626 | probe->index < 8 ? 1 : 2); | |
627 | break; | |
628 | default: | |
89280b1a | 629 | sr_err("Invalid probe type."); |
13f2b9d7 DJ |
630 | break; |
631 | } | |
632 | ||
633 | return sr_scpi_send(sdi->conn, command); | |
634 | } | |
635 | ||
636 | static int hmo_check_probes(GSList *probes) | |
637 | { | |
638 | GSList *l; | |
13f2b9d7 | 639 | struct sr_probe *probe; |
89280b1a | 640 | gboolean enabled_pod1, enabled_pod2, enabled_chan3, enabled_chan4; |
13f2b9d7 | 641 | |
89280b1a | 642 | enabled_pod1 = enabled_pod2 = enabled_chan3 = enabled_chan4 = FALSE; |
13f2b9d7 DJ |
643 | |
644 | for (l = probes; l; l = l->next) { | |
645 | probe = l->data; | |
13f2b9d7 DJ |
646 | switch (probe->type) { |
647 | case SR_PROBE_ANALOG: | |
648 | if (probe->index == 2) | |
649 | enabled_chan3 = TRUE; | |
650 | else if (probe->index == 3) | |
651 | enabled_chan4 = TRUE; | |
652 | break; | |
13f2b9d7 DJ |
653 | case SR_PROBE_LOGIC: |
654 | if (probe->index < 8) | |
655 | enabled_pod1 = TRUE; | |
656 | else | |
657 | enabled_pod2 = TRUE; | |
658 | break; | |
13f2b9d7 DJ |
659 | default: |
660 | return SR_ERR; | |
661 | } | |
662 | } | |
663 | ||
664 | if ((enabled_pod1 && enabled_chan3) || | |
665 | (enabled_pod2 && enabled_chan4)) | |
666 | return SR_ERR; | |
667 | ||
668 | return SR_OK; | |
669 | } | |
670 | ||
671 | static int hmo_setup_probes(const struct sr_dev_inst *sdi) | |
672 | { | |
673 | GSList *l; | |
674 | unsigned int i; | |
675 | gboolean *pod_enabled; | |
676 | char command[MAX_COMMAND_SIZE]; | |
13f2b9d7 DJ |
677 | struct scope_state *state; |
678 | struct scope_config *model; | |
13f2b9d7 DJ |
679 | struct sr_probe *probe; |
680 | struct dev_context *devc; | |
23f43dff | 681 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 DJ |
682 | |
683 | devc = sdi->priv; | |
23f43dff | 684 | scpi = sdi->conn; |
13f2b9d7 DJ |
685 | state = devc->model_state; |
686 | model = devc->model_config; | |
687 | ||
688 | pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods); | |
689 | ||
690 | for (l = sdi->probes; l; l = l->next) { | |
691 | probe = l->data; | |
13f2b9d7 DJ |
692 | switch (probe->type) { |
693 | case SR_PROBE_ANALOG: | |
082972e8 UH |
694 | if (probe->enabled == state->analog_channels[probe->index].state) |
695 | break; | |
696 | g_snprintf(command, sizeof(command), | |
697 | (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE], | |
698 | probe->index + 1, probe->enabled); | |
13f2b9d7 | 699 | |
23f43dff | 700 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 UH |
701 | return SR_ERR; |
702 | state->analog_channels[probe->index].state = probe->enabled; | |
89280b1a | 703 | break; |
13f2b9d7 | 704 | case SR_PROBE_LOGIC: |
13f2b9d7 DJ |
705 | /* |
706 | * A digital POD needs to be enabled for every group of | |
707 | * 8 probes. | |
708 | */ | |
709 | if (probe->enabled) | |
710 | pod_enabled[probe->index < 8 ? 0 : 1] = TRUE; | |
711 | ||
082972e8 UH |
712 | if (probe->enabled == state->digital_channels[probe->index]) |
713 | break; | |
714 | g_snprintf(command, sizeof(command), | |
715 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE], | |
716 | probe->index, probe->enabled); | |
13f2b9d7 | 717 | |
23f43dff | 718 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 | 719 | return SR_ERR; |
13f2b9d7 | 720 | |
082972e8 | 721 | state->digital_channels[probe->index] = probe->enabled; |
89280b1a | 722 | break; |
13f2b9d7 DJ |
723 | default: |
724 | return SR_ERR; | |
725 | } | |
726 | } | |
727 | ||
728 | for (i = 1; i <= model->digital_pods; ++i) { | |
082972e8 UH |
729 | if (state->digital_pods[i - 1] == pod_enabled[i - 1]) |
730 | continue; | |
731 | g_snprintf(command, sizeof(command), | |
732 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE], | |
733 | i, pod_enabled[i - 1]); | |
23f43dff | 734 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 UH |
735 | return SR_ERR; |
736 | state->digital_pods[i - 1] = pod_enabled[i - 1]; | |
13f2b9d7 DJ |
737 | } |
738 | ||
739 | g_free(pod_enabled); | |
740 | ||
741 | return SR_OK; | |
742 | } | |
743 | ||
744 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
745 | { | |
746 | GSList *l; | |
747 | gboolean digital_added; | |
13f2b9d7 DJ |
748 | struct sr_probe *probe; |
749 | struct dev_context *devc; | |
23f43dff | 750 | struct sr_scpi_dev_inst *scpi; |
06a3e78a DJ |
751 | |
752 | if (sdi->status != SR_ST_ACTIVE) | |
753 | return SR_ERR_DEV_CLOSED; | |
754 | ||
23f43dff | 755 | scpi = sdi->conn; |
13f2b9d7 DJ |
756 | devc = sdi->priv; |
757 | digital_added = FALSE; | |
758 | ||
759 | for (l = sdi->probes; l; l = l->next) { | |
760 | probe = l->data; | |
082972e8 UH |
761 | if (!probe->enabled) |
762 | continue; | |
763 | /* Only add a single digital probe. */ | |
764 | if (probe->type != SR_PROBE_LOGIC || !digital_added) { | |
765 | devc->enabled_probes = g_slist_append( | |
766 | devc->enabled_probes, probe); | |
767 | if (probe->type == SR_PROBE_LOGIC) | |
768 | digital_added = TRUE; | |
13f2b9d7 DJ |
769 | } |
770 | } | |
06a3e78a | 771 | |
13f2b9d7 DJ |
772 | if (!devc->enabled_probes) |
773 | return SR_ERR; | |
774 | ||
775 | if (hmo_check_probes(devc->enabled_probes) != SR_OK) { | |
776 | sr_err("Invalid probe configuration specified!"); | |
777 | return SR_ERR_NA; | |
778 | } | |
779 | ||
780 | if (hmo_setup_probes(sdi) != SR_OK) { | |
781 | sr_err("Failed to setup probe configuration!"); | |
782 | return SR_ERR; | |
783 | } | |
784 | ||
23f43dff | 785 | sr_scpi_source_add(scpi, G_IO_IN, 50, hmo_receive_data, (void *)sdi); |
13f2b9d7 DJ |
786 | |
787 | /* Send header packet to the session bus. */ | |
788 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
789 | ||
790 | devc->current_probe = devc->enabled_probes; | |
791 | ||
792 | return hmo_request_data(sdi); | |
06a3e78a DJ |
793 | } |
794 | ||
795 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
796 | { | |
13f2b9d7 | 797 | struct dev_context *devc; |
23f43dff | 798 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 | 799 | |
06a3e78a DJ |
800 | (void)cb_data; |
801 | ||
802 | if (sdi->status != SR_ST_ACTIVE) | |
803 | return SR_ERR_DEV_CLOSED; | |
804 | ||
13f2b9d7 DJ |
805 | devc = sdi->priv; |
806 | ||
807 | g_slist_free(devc->enabled_probes); | |
808 | devc->enabled_probes = NULL; | |
23f43dff ML |
809 | scpi = sdi->conn; |
810 | sr_scpi_source_remove(scpi); | |
06a3e78a DJ |
811 | |
812 | return SR_OK; | |
813 | } | |
814 | ||
815 | SR_PRIV struct sr_dev_driver hameg_hmo_driver_info = { | |
816 | .name = "hameg-hmo", | |
89280b1a | 817 | .longname = "Hameg HMO", |
06a3e78a DJ |
818 | .api_version = 1, |
819 | .init = init, | |
820 | .cleanup = cleanup, | |
821 | .scan = scan, | |
822 | .dev_list = dev_list, | |
823 | .dev_clear = dev_clear, | |
824 | .config_get = config_get, | |
825 | .config_set = config_set, | |
826 | .config_list = config_list, | |
827 | .dev_open = dev_open, | |
828 | .dev_close = dev_close, | |
829 | .dev_acquisition_start = dev_acquisition_start, | |
830 | .dev_acquisition_stop = dev_acquisition_stop, | |
831 | .priv = NULL, | |
832 | }; |