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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 | ||
6ec6c43b | 20 | #include <config.h> |
13f2b9d7 | 21 | #include <stdlib.h> |
5a1afc09 | 22 | #include "scpi.h" |
06a3e78a DJ |
23 | #include "protocol.h" |
24 | ||
13f2b9d7 DJ |
25 | #define SERIALCOMM "115200/8n1/flow=1" |
26 | ||
dd5c48a6 | 27 | static struct sr_dev_driver hameg_hmo_driver_info; |
e9a62139 DJ |
28 | |
29 | static const char *manufacturers[] = { | |
30 | "HAMEG", | |
da1726cc | 31 | "Rohde&Schwarz", |
e9a62139 DJ |
32 | }; |
33 | ||
6ec3ef9b AJ |
34 | static const uint32_t drvopts[] = { |
35 | SR_CONF_OSCILLOSCOPE, | |
36 | }; | |
37 | ||
584560f1 | 38 | static const uint32_t scanopts[] = { |
13f2b9d7 DJ |
39 | SR_CONF_CONN, |
40 | SR_CONF_SERIALCOMM, | |
41 | }; | |
42 | ||
719eff68 | 43 | enum { |
61e77667 UH |
44 | CG_INVALID = -1, |
45 | CG_NONE, | |
46 | CG_ANALOG, | |
47 | CG_DIGITAL, | |
719eff68 UH |
48 | }; |
49 | ||
e9a62139 DJ |
50 | static int check_manufacturer(const char *manufacturer) |
51 | { | |
52 | unsigned int i; | |
53 | ||
0a1f7b09 | 54 | for (i = 0; i < ARRAY_SIZE(manufacturers); i++) |
e9a62139 DJ |
55 | if (!strcmp(manufacturer, manufacturers[i])) |
56 | return SR_OK; | |
57 | ||
58 | return SR_ERR; | |
59 | } | |
60 | ||
ca28abd6 | 61 | static struct sr_dev_inst *hmo_probe_serial_device(struct sr_scpi_dev_inst *scpi) |
e9a62139 DJ |
62 | { |
63 | struct sr_dev_inst *sdi; | |
64 | struct dev_context *devc; | |
65 | struct sr_scpi_hw_info *hw_info; | |
e9a62139 DJ |
66 | |
67 | sdi = NULL; | |
68 | devc = NULL; | |
e9a62139 DJ |
69 | hw_info = NULL; |
70 | ||
e9a62139 DJ |
71 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { |
72 | sr_info("Couldn't get IDN response."); | |
73 | goto fail; | |
74 | } | |
75 | ||
76 | if (check_manufacturer(hw_info->manufacturer) != SR_OK) | |
77 | goto fail; | |
78 | ||
aac29cc1 | 79 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
80 | sdi->vendor = g_strdup(hw_info->manufacturer); |
81 | sdi->model = g_strdup(hw_info->model); | |
82 | sdi->version = g_strdup(hw_info->firmware_version); | |
83 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
4f840ce9 | 84 | sdi->driver = &hameg_hmo_driver_info; |
b33db61c SA |
85 | sdi->inst_type = SR_INST_SCPI; |
86 | sdi->conn = scpi; | |
b33db61c | 87 | |
e9a62139 DJ |
88 | sr_scpi_hw_info_free(hw_info); |
89 | hw_info = NULL; | |
90 | ||
f57d8ffe | 91 | devc = g_malloc0(sizeof(struct dev_context)); |
e9a62139 | 92 | |
e9a62139 | 93 | sdi->priv = devc; |
e9a62139 DJ |
94 | |
95 | if (hmo_init_device(sdi) != SR_OK) | |
96 | goto fail; | |
97 | ||
98 | return sdi; | |
99 | ||
100 | fail: | |
7b365c47 | 101 | sr_scpi_hw_info_free(hw_info); |
4bf93988 | 102 | sr_dev_inst_free(sdi); |
b1f83103 | 103 | g_free(devc); |
e9a62139 DJ |
104 | |
105 | return NULL; | |
106 | } | |
107 | ||
4f840ce9 | 108 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
06a3e78a | 109 | { |
41812aca | 110 | return sr_scpi_scan(di->context, options, hmo_probe_serial_device); |
06a3e78a DJ |
111 | } |
112 | ||
13f2b9d7 DJ |
113 | static void clear_helper(void *priv) |
114 | { | |
13f2b9d7 | 115 | struct dev_context *devc; |
13f2b9d7 DJ |
116 | |
117 | devc = priv; | |
13f2b9d7 | 118 | |
719eff68 | 119 | hmo_scope_state_free(devc->model_state); |
13f2b9d7 | 120 | |
13f2b9d7 DJ |
121 | g_free(devc->analog_groups); |
122 | g_free(devc->digital_groups); | |
123 | ||
124 | g_free(devc); | |
125 | } | |
126 | ||
4f840ce9 | 127 | static int dev_clear(const struct sr_dev_driver *di) |
06a3e78a | 128 | { |
13f2b9d7 | 129 | return std_dev_clear(di, clear_helper); |
06a3e78a DJ |
130 | } |
131 | ||
132 | static int dev_open(struct sr_dev_inst *sdi) | |
133 | { | |
23f43dff | 134 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) |
13f2b9d7 | 135 | return SR_ERR; |
06a3e78a | 136 | |
719eff68 | 137 | if (hmo_scope_state_get(sdi) != SR_OK) |
13f2b9d7 | 138 | return SR_ERR; |
06a3e78a DJ |
139 | |
140 | sdi->status = SR_ST_ACTIVE; | |
141 | ||
142 | return SR_OK; | |
143 | } | |
144 | ||
145 | static int dev_close(struct sr_dev_inst *sdi) | |
146 | { | |
13f2b9d7 DJ |
147 | if (sdi->status == SR_ST_INACTIVE) |
148 | return SR_OK; | |
06a3e78a | 149 | |
23f43dff | 150 | sr_scpi_close(sdi->conn); |
06a3e78a DJ |
151 | |
152 | sdi->status = SR_ST_INACTIVE; | |
153 | ||
154 | return SR_OK; | |
155 | } | |
156 | ||
660e398f | 157 | static int check_channel_group(struct dev_context *devc, |
53b4680f | 158 | const struct sr_channel_group *cg) |
13f2b9d7 DJ |
159 | { |
160 | unsigned int i; | |
329733d9 | 161 | const struct scope_config *model; |
13f2b9d7 DJ |
162 | |
163 | model = devc->model_config; | |
164 | ||
53b4680f | 165 | if (!cg) |
61e77667 | 166 | return CG_NONE; |
13f2b9d7 | 167 | |
0a1f7b09 | 168 | for (i = 0; i < model->analog_channels; i++) |
562b7ae5 | 169 | if (cg == devc->analog_groups[i]) |
61e77667 | 170 | return CG_ANALOG; |
13f2b9d7 | 171 | |
0a1f7b09 | 172 | for (i = 0; i < model->digital_pods; i++) |
562b7ae5 | 173 | if (cg == devc->digital_groups[i]) |
61e77667 | 174 | return CG_DIGITAL; |
13f2b9d7 | 175 | |
660e398f | 176 | sr_err("Invalid channel group specified."); |
89280b1a | 177 | |
61e77667 | 178 | return CG_INVALID; |
13f2b9d7 DJ |
179 | } |
180 | ||
584560f1 | 181 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 182 | const struct sr_channel_group *cg) |
06a3e78a | 183 | { |
61e77667 | 184 | int ret, cg_type; |
13f2b9d7 | 185 | unsigned int i; |
13f2b9d7 | 186 | struct dev_context *devc; |
329733d9 | 187 | const struct scope_config *model; |
14a2f74d | 188 | struct scope_state *state; |
13f2b9d7 | 189 | |
709468ba | 190 | if (!sdi) |
13f2b9d7 DJ |
191 | return SR_ERR_ARG; |
192 | ||
709468ba UH |
193 | devc = sdi->priv; |
194 | ||
61e77667 | 195 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
13f2b9d7 | 196 | return SR_ERR; |
06a3e78a | 197 | |
13f2b9d7 DJ |
198 | ret = SR_ERR_NA; |
199 | model = devc->model_config; | |
14a2f74d | 200 | state = devc->model_state; |
06a3e78a | 201 | |
06a3e78a | 202 | switch (key) { |
bf622e6d | 203 | case SR_CONF_NUM_HDIV: |
13f2b9d7 DJ |
204 | *data = g_variant_new_int32(model->num_xdivs); |
205 | ret = SR_OK; | |
206 | break; | |
3fd2dca2 DJ |
207 | case SR_CONF_TIMEBASE: |
208 | *data = g_variant_new("(tt)", (*model->timebases)[state->timebase][0], | |
209 | (*model->timebases)[state->timebase][1]); | |
210 | ret = SR_OK; | |
211 | break; | |
13f2b9d7 | 212 | case SR_CONF_NUM_VDIV: |
61e77667 | 213 | if (cg_type == CG_NONE) { |
660e398f UH |
214 | sr_err("No channel group specified."); |
215 | return SR_ERR_CHANNEL_GROUP; | |
61e77667 | 216 | } else if (cg_type == CG_ANALOG) { |
0a1f7b09 | 217 | for (i = 0; i < model->analog_channels; i++) { |
562b7ae5 | 218 | if (cg != devc->analog_groups[i]) |
082972e8 UH |
219 | continue; |
220 | *data = g_variant_new_int32(model->num_ydivs); | |
221 | ret = SR_OK; | |
222 | break; | |
13f2b9d7 DJ |
223 | } |
224 | ||
3fd2dca2 DJ |
225 | } else { |
226 | ret = SR_ERR_NA; | |
227 | } | |
228 | break; | |
229 | case SR_CONF_VDIV: | |
61e77667 UH |
230 | if (cg_type == CG_NONE) { |
231 | sr_err("No channel group specified."); | |
232 | return SR_ERR_CHANNEL_GROUP; | |
233 | } else if (cg_type == CG_ANALOG) { | |
0a1f7b09 | 234 | for (i = 0; i < model->analog_channels; i++) { |
562b7ae5 | 235 | if (cg != devc->analog_groups[i]) |
3fd2dca2 DJ |
236 | continue; |
237 | *data = g_variant_new("(tt)", | |
238 | (*model->vdivs)[state->analog_channels[i].vdiv][0], | |
239 | (*model->vdivs)[state->analog_channels[i].vdiv][1]); | |
240 | ret = SR_OK; | |
241 | break; | |
242 | } | |
243 | ||
ccf14618 DJ |
244 | } else { |
245 | ret = SR_ERR_NA; | |
246 | } | |
247 | break; | |
248 | case SR_CONF_TRIGGER_SOURCE: | |
249 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
250 | ret = SR_OK; | |
251 | break; | |
3fd2dca2 DJ |
252 | case SR_CONF_TRIGGER_SLOPE: |
253 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
254 | ret = SR_OK; | |
255 | break; | |
256 | case SR_CONF_HORIZ_TRIGGERPOS: | |
257 | *data = g_variant_new_double(state->horiz_triggerpos); | |
258 | ret = SR_OK; | |
259 | break; | |
ccf14618 | 260 | case SR_CONF_COUPLING: |
61e77667 | 261 | if (cg_type == CG_NONE) { |
660e398f UH |
262 | sr_err("No channel group specified."); |
263 | return SR_ERR_CHANNEL_GROUP; | |
61e77667 | 264 | } else if (cg_type == CG_ANALOG) { |
0a1f7b09 | 265 | for (i = 0; i < model->analog_channels; i++) { |
562b7ae5 | 266 | if (cg != devc->analog_groups[i]) |
ccf14618 DJ |
267 | continue; |
268 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); | |
269 | ret = SR_OK; | |
270 | break; | |
271 | } | |
272 | ||
13f2b9d7 DJ |
273 | } else { |
274 | ret = SR_ERR_NA; | |
275 | } | |
276 | break; | |
14a2f74d DJ |
277 | case SR_CONF_SAMPLERATE: |
278 | *data = g_variant_new_uint64(state->sample_rate); | |
279 | ret = SR_OK; | |
280 | break; | |
06a3e78a | 281 | default: |
13f2b9d7 | 282 | ret = SR_ERR_NA; |
06a3e78a DJ |
283 | } |
284 | ||
285 | return ret; | |
286 | } | |
287 | ||
13f2b9d7 DJ |
288 | static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n) |
289 | { | |
290 | unsigned int i; | |
13f2b9d7 DJ |
291 | GVariant *rational[2]; |
292 | GVariantBuilder gvb; | |
293 | ||
294 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
295 | ||
296 | for (i = 0; i < n; i++) { | |
297 | rational[0] = g_variant_new_uint64((*array)[i][0]); | |
298 | rational[1] = g_variant_new_uint64((*array)[i][1]); | |
299 | ||
89280b1a | 300 | /* FIXME: Valgrind reports a memory leak here. */ |
13f2b9d7 DJ |
301 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); |
302 | } | |
303 | ||
304 | return g_variant_builder_end(&gvb); | |
305 | } | |
306 | ||
584560f1 | 307 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 308 | const struct sr_channel_group *cg) |
06a3e78a | 309 | { |
61e77667 | 310 | int ret, cg_type; |
89280b1a | 311 | unsigned int i, j; |
965b463d | 312 | char command[MAX_COMMAND_SIZE], float_str[30]; |
13f2b9d7 | 313 | struct dev_context *devc; |
329733d9 | 314 | const struct scope_config *model; |
13f2b9d7 | 315 | struct scope_state *state; |
89280b1a | 316 | const char *tmp; |
ca9b9f48 | 317 | uint64_t p, q; |
89280b1a | 318 | double tmp_d; |
23e1ea7a | 319 | gboolean update_sample_rate; |
06a3e78a | 320 | |
b0baddef | 321 | if (!sdi) |
13f2b9d7 DJ |
322 | return SR_ERR_ARG; |
323 | ||
b0baddef UH |
324 | devc = sdi->priv; |
325 | ||
61e77667 | 326 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
13f2b9d7 DJ |
327 | return SR_ERR; |
328 | ||
329 | model = devc->model_config; | |
330 | state = devc->model_state; | |
23e1ea7a | 331 | update_sample_rate = FALSE; |
13f2b9d7 DJ |
332 | |
333 | ret = SR_ERR_NA; | |
06a3e78a | 334 | |
06a3e78a | 335 | switch (key) { |
13f2b9d7 DJ |
336 | case SR_CONF_LIMIT_FRAMES: |
337 | devc->frame_limit = g_variant_get_uint64(data); | |
338 | ret = SR_OK; | |
339 | break; | |
13f2b9d7 | 340 | case SR_CONF_TRIGGER_SOURCE: |
13f2b9d7 | 341 | tmp = g_variant_get_string(data, NULL); |
13f2b9d7 | 342 | for (i = 0; (*model->trigger_sources)[i]; i++) { |
082972e8 UH |
343 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) |
344 | continue; | |
345 | state->trigger_source = i; | |
346 | g_snprintf(command, sizeof(command), | |
347 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE], | |
348 | (*model->trigger_sources)[i]); | |
13f2b9d7 | 349 | |
082972e8 UH |
350 | ret = sr_scpi_send(sdi->conn, command); |
351 | break; | |
13f2b9d7 | 352 | } |
89280b1a | 353 | break; |
13f2b9d7 | 354 | case SR_CONF_VDIV: |
61e77667 | 355 | if (cg_type == CG_NONE) { |
660e398f UH |
356 | sr_err("No channel group specified."); |
357 | return SR_ERR_CHANNEL_GROUP; | |
13f2b9d7 DJ |
358 | } |
359 | ||
360 | g_variant_get(data, "(tt)", &p, &q); | |
361 | ||
362 | for (i = 0; i < model->num_vdivs; i++) { | |
082972e8 UH |
363 | if (p != (*model->vdivs)[i][0] || |
364 | q != (*model->vdivs)[i][1]) | |
365 | continue; | |
0a1f7b09 | 366 | for (j = 1; j <= model->analog_channels; j++) { |
562b7ae5 | 367 | if (cg != devc->analog_groups[j - 1]) |
082972e8 | 368 | continue; |
8de2dc3b | 369 | state->analog_channels[j - 1].vdiv = i; |
965b463d | 370 | g_ascii_formatd(float_str, sizeof(float_str), "%E", (float) p / q); |
082972e8 UH |
371 | g_snprintf(command, sizeof(command), |
372 | (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV], | |
965b463d | 373 | j, float_str); |
082972e8 UH |
374 | |
375 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
376 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
377 | return SR_ERR; | |
13f2b9d7 | 378 | |
13f2b9d7 DJ |
379 | break; |
380 | } | |
082972e8 UH |
381 | |
382 | ret = SR_OK; | |
383 | break; | |
13f2b9d7 | 384 | } |
89280b1a | 385 | break; |
13f2b9d7 | 386 | case SR_CONF_TIMEBASE: |
13f2b9d7 DJ |
387 | g_variant_get(data, "(tt)", &p, &q); |
388 | ||
389 | for (i = 0; i < model->num_timebases; i++) { | |
082972e8 UH |
390 | if (p != (*model->timebases)[i][0] || |
391 | q != (*model->timebases)[i][1]) | |
392 | continue; | |
8de2dc3b | 393 | state->timebase = i; |
965b463d | 394 | g_ascii_formatd(float_str, sizeof(float_str), "%E", (float) p / q); |
082972e8 UH |
395 | g_snprintf(command, sizeof(command), |
396 | (*model->scpi_dialect)[SCPI_CMD_SET_TIMEBASE], | |
965b463d | 397 | float_str); |
13f2b9d7 | 398 | |
082972e8 | 399 | ret = sr_scpi_send(sdi->conn, command); |
23e1ea7a | 400 | update_sample_rate = TRUE; |
082972e8 | 401 | break; |
13f2b9d7 | 402 | } |
89280b1a | 403 | break; |
13f2b9d7 | 404 | case SR_CONF_HORIZ_TRIGGERPOS: |
89280b1a | 405 | tmp_d = g_variant_get_double(data); |
13f2b9d7 | 406 | |
89280b1a | 407 | if (tmp_d < 0.0 || tmp_d > 1.0) |
13f2b9d7 DJ |
408 | return SR_ERR; |
409 | ||
422a1c0d DJ |
410 | state->horiz_triggerpos = tmp_d; |
411 | tmp_d = -(tmp_d - 0.5) * | |
412 | ((double) (*model->timebases)[state->timebase][0] / | |
413 | (*model->timebases)[state->timebase][1]) | |
414 | * model->num_xdivs; | |
415 | ||
416 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); | |
13f2b9d7 DJ |
417 | g_snprintf(command, sizeof(command), |
418 | (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS], | |
422a1c0d | 419 | float_str); |
13f2b9d7 DJ |
420 | |
421 | ret = sr_scpi_send(sdi->conn, command); | |
89280b1a | 422 | break; |
13f2b9d7 | 423 | case SR_CONF_TRIGGER_SLOPE: |
ca9b9f48 | 424 | tmp = g_variant_get_string(data, NULL); |
e3abd15d SB |
425 | for (i = 0; (*model->trigger_slopes)[i]; i++) { |
426 | if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0) | |
427 | continue; | |
428 | state->trigger_slope = i; | |
429 | g_snprintf(command, sizeof(command), | |
430 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE], | |
431 | (*model->trigger_slopes)[i]); | |
13f2b9d7 | 432 | |
e3abd15d SB |
433 | ret = sr_scpi_send(sdi->conn, command); |
434 | break; | |
435 | } | |
89280b1a | 436 | break; |
13f2b9d7 | 437 | case SR_CONF_COUPLING: |
61e77667 | 438 | if (cg_type == CG_NONE) { |
660e398f UH |
439 | sr_err("No channel group specified."); |
440 | return SR_ERR_CHANNEL_GROUP; | |
13f2b9d7 DJ |
441 | } |
442 | ||
443 | tmp = g_variant_get_string(data, NULL); | |
444 | ||
445 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
082972e8 UH |
446 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) |
447 | continue; | |
0a1f7b09 | 448 | for (j = 1; j <= model->analog_channels; j++) { |
562b7ae5 | 449 | if (cg != devc->analog_groups[j - 1]) |
082972e8 UH |
450 | continue; |
451 | state->analog_channels[j-1].coupling = i; | |
13f2b9d7 | 452 | |
082972e8 UH |
453 | g_snprintf(command, sizeof(command), |
454 | (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING], | |
455 | j, tmp); | |
456 | ||
457 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
458 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
459 | return SR_ERR; | |
13f2b9d7 DJ |
460 | break; |
461 | } | |
082972e8 UH |
462 | |
463 | ret = SR_OK; | |
464 | break; | |
13f2b9d7 | 465 | } |
89280b1a | 466 | break; |
06a3e78a DJ |
467 | default: |
468 | ret = SR_ERR_NA; | |
13f2b9d7 | 469 | break; |
06a3e78a DJ |
470 | } |
471 | ||
13f2b9d7 DJ |
472 | if (ret == SR_OK) |
473 | ret = sr_scpi_get_opc(sdi->conn); | |
474 | ||
23e1ea7a DJ |
475 | if (ret == SR_OK && update_sample_rate) |
476 | ret = hmo_update_sample_rate(sdi); | |
477 | ||
06a3e78a DJ |
478 | return ret; |
479 | } | |
480 | ||
584560f1 | 481 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 482 | const struct sr_channel_group *cg) |
06a3e78a | 483 | { |
6ec3ef9b AJ |
484 | int cg_type = CG_NONE; |
485 | struct dev_context *devc = NULL; | |
329733d9 | 486 | const struct scope_config *model = NULL; |
13f2b9d7 | 487 | |
4d399734 UH |
488 | if (sdi) { |
489 | devc = sdi->priv; | |
6ec3ef9b AJ |
490 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
491 | return SR_ERR; | |
13f2b9d7 | 492 | |
6ec3ef9b AJ |
493 | model = devc->model_config; |
494 | } | |
06a3e78a | 495 | |
06a3e78a | 496 | switch (key) { |
226363c4 | 497 | case SR_CONF_SCAN_OPTIONS: |
584560f1 BV |
498 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
499 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
226363c4 | 500 | break; |
13f2b9d7 | 501 | case SR_CONF_DEVICE_OPTIONS: |
61e77667 | 502 | if (cg_type == CG_NONE) { |
6ec3ef9b AJ |
503 | if (model) |
504 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
505 | model->devopts, model->num_devopts, sizeof(uint32_t)); | |
506 | else | |
507 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
508 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
61e77667 | 509 | } else if (cg_type == CG_ANALOG) { |
584560f1 | 510 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 511 | model->analog_devopts, model->num_analog_devopts, |
584560f1 | 512 | sizeof(uint32_t)); |
13f2b9d7 | 513 | } else { |
584560f1 BV |
514 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
515 | NULL, 0, sizeof(uint32_t)); | |
13f2b9d7 DJ |
516 | } |
517 | break; | |
13f2b9d7 | 518 | case SR_CONF_COUPLING: |
61e77667 | 519 | if (cg_type == CG_NONE) |
660e398f | 520 | return SR_ERR_CHANNEL_GROUP; |
13f2b9d7 | 521 | *data = g_variant_new_strv(*model->coupling_options, |
89280b1a | 522 | g_strv_length((char **)*model->coupling_options)); |
13f2b9d7 | 523 | break; |
13f2b9d7 | 524 | case SR_CONF_TRIGGER_SOURCE: |
6ec3ef9b AJ |
525 | if (!model) |
526 | return SR_ERR_ARG; | |
13f2b9d7 | 527 | *data = g_variant_new_strv(*model->trigger_sources, |
89280b1a | 528 | g_strv_length((char **)*model->trigger_sources)); |
13f2b9d7 | 529 | break; |
bbabdaf1 | 530 | case SR_CONF_TRIGGER_SLOPE: |
6ec3ef9b AJ |
531 | if (!model) |
532 | return SR_ERR_ARG; | |
bbabdaf1 DJ |
533 | *data = g_variant_new_strv(*model->trigger_slopes, |
534 | g_strv_length((char **)*model->trigger_slopes)); | |
535 | break; | |
13f2b9d7 | 536 | case SR_CONF_TIMEBASE: |
6ec3ef9b AJ |
537 | if (!model) |
538 | return SR_ERR_ARG; | |
13f2b9d7 DJ |
539 | *data = build_tuples(model->timebases, model->num_timebases); |
540 | break; | |
13f2b9d7 | 541 | case SR_CONF_VDIV: |
61e77667 | 542 | if (cg_type == CG_NONE) |
660e398f | 543 | return SR_ERR_CHANNEL_GROUP; |
13f2b9d7 DJ |
544 | *data = build_tuples(model->vdivs, model->num_vdivs); |
545 | break; | |
06a3e78a DJ |
546 | default: |
547 | return SR_ERR_NA; | |
548 | } | |
549 | ||
13f2b9d7 | 550 | return SR_OK; |
06a3e78a DJ |
551 | } |
552 | ||
13f2b9d7 | 553 | SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi) |
06a3e78a | 554 | { |
13f2b9d7 | 555 | char command[MAX_COMMAND_SIZE]; |
ba7dd8bb | 556 | struct sr_channel *ch; |
13f2b9d7 | 557 | struct dev_context *devc; |
329733d9 | 558 | const struct scope_config *model; |
13f2b9d7 DJ |
559 | |
560 | devc = sdi->priv; | |
561 | model = devc->model_config; | |
562 | ||
ba7dd8bb | 563 | ch = devc->current_channel->data; |
13f2b9d7 | 564 | |
ba7dd8bb | 565 | switch (ch->type) { |
3f239f08 | 566 | case SR_CHANNEL_ANALOG: |
13f2b9d7 DJ |
567 | g_snprintf(command, sizeof(command), |
568 | (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA], | |
65a6794e GS |
569 | #ifdef WORDS_BIGENDIAN |
570 | "MSBF", | |
571 | #else | |
572 | "LSBF", | |
573 | #endif | |
ba7dd8bb | 574 | ch->index + 1); |
13f2b9d7 | 575 | break; |
3f239f08 | 576 | case SR_CHANNEL_LOGIC: |
13f2b9d7 DJ |
577 | g_snprintf(command, sizeof(command), |
578 | (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA], | |
ba7dd8bb | 579 | ch->index < 8 ? 1 : 2); |
13f2b9d7 DJ |
580 | break; |
581 | default: | |
ba7dd8bb | 582 | sr_err("Invalid channel type."); |
13f2b9d7 DJ |
583 | break; |
584 | } | |
585 | ||
586 | return sr_scpi_send(sdi->conn, command); | |
587 | } | |
588 | ||
ba7dd8bb | 589 | static int hmo_check_channels(GSList *channels) |
13f2b9d7 DJ |
590 | { |
591 | GSList *l; | |
ba7dd8bb | 592 | struct sr_channel *ch; |
4889acef GS |
593 | gboolean enabled_chan[MAX_ANALOG_CHANNEL_COUNT]; |
594 | gboolean enabled_pod[MAX_DIGITAL_GROUP_COUNT]; | |
595 | size_t idx; | |
596 | ||
597 | /* Preset "not enabled" for all channels / pods. */ | |
598 | for (idx = 0; idx < ARRAY_SIZE(enabled_chan); idx++) | |
599 | enabled_chan[idx] = FALSE; | |
600 | for (idx = 0; idx < ARRAY_SIZE(enabled_pod); idx++) | |
601 | enabled_pod[idx] = FALSE; | |
602 | ||
603 | /* | |
604 | * Determine which channels / pods are required for the caller's | |
605 | * specified configuration. | |
606 | */ | |
ba7dd8bb UH |
607 | for (l = channels; l; l = l->next) { |
608 | ch = l->data; | |
609 | switch (ch->type) { | |
3f239f08 | 610 | case SR_CHANNEL_ANALOG: |
4889acef GS |
611 | idx = ch->index; |
612 | if (idx < ARRAY_SIZE(enabled_chan)) | |
613 | enabled_chan[idx] = TRUE; | |
13f2b9d7 | 614 | break; |
3f239f08 | 615 | case SR_CHANNEL_LOGIC: |
4889acef GS |
616 | idx = ch->index / 8; |
617 | if (idx < ARRAY_SIZE(enabled_pod)) | |
618 | enabled_pod[idx] = TRUE; | |
13f2b9d7 | 619 | break; |
13f2b9d7 DJ |
620 | default: |
621 | return SR_ERR; | |
622 | } | |
623 | } | |
624 | ||
4889acef GS |
625 | /* |
626 | * Check for resource conflicts. Some channels can be either | |
627 | * analog or digital, but never both at the same time. | |
628 | * | |
629 | * Note that the constraints might depend on the specific model. | |
630 | * These tests might need some adjustment when support for more | |
631 | * models gets added to the driver. | |
632 | */ | |
633 | if (enabled_pod[0] && enabled_chan[2]) | |
634 | return SR_ERR; | |
635 | if (enabled_pod[1] && enabled_chan[3]) | |
13f2b9d7 | 636 | return SR_ERR; |
13f2b9d7 DJ |
637 | return SR_OK; |
638 | } | |
639 | ||
ba7dd8bb | 640 | static int hmo_setup_channels(const struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
641 | { |
642 | GSList *l; | |
643 | unsigned int i; | |
23e1ea7a | 644 | gboolean *pod_enabled, setup_changed; |
13f2b9d7 | 645 | char command[MAX_COMMAND_SIZE]; |
13f2b9d7 | 646 | struct scope_state *state; |
329733d9 | 647 | const struct scope_config *model; |
ba7dd8bb | 648 | struct sr_channel *ch; |
13f2b9d7 | 649 | struct dev_context *devc; |
23f43dff | 650 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 DJ |
651 | |
652 | devc = sdi->priv; | |
23f43dff | 653 | scpi = sdi->conn; |
13f2b9d7 DJ |
654 | state = devc->model_state; |
655 | model = devc->model_config; | |
23e1ea7a | 656 | setup_changed = FALSE; |
13f2b9d7 DJ |
657 | |
658 | pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods); | |
659 | ||
ba7dd8bb UH |
660 | for (l = sdi->channels; l; l = l->next) { |
661 | ch = l->data; | |
662 | switch (ch->type) { | |
3f239f08 | 663 | case SR_CHANNEL_ANALOG: |
ba7dd8bb | 664 | if (ch->enabled == state->analog_channels[ch->index].state) |
082972e8 UH |
665 | break; |
666 | g_snprintf(command, sizeof(command), | |
667 | (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE], | |
ba7dd8bb | 668 | ch->index + 1, ch->enabled); |
13f2b9d7 | 669 | |
23f43dff | 670 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 | 671 | return SR_ERR; |
ba7dd8bb | 672 | state->analog_channels[ch->index].state = ch->enabled; |
23e1ea7a | 673 | setup_changed = TRUE; |
89280b1a | 674 | break; |
3f239f08 | 675 | case SR_CHANNEL_LOGIC: |
13f2b9d7 DJ |
676 | /* |
677 | * A digital POD needs to be enabled for every group of | |
ba7dd8bb | 678 | * 8 channels. |
13f2b9d7 | 679 | */ |
ba7dd8bb UH |
680 | if (ch->enabled) |
681 | pod_enabled[ch->index < 8 ? 0 : 1] = TRUE; | |
13f2b9d7 | 682 | |
ba7dd8bb | 683 | if (ch->enabled == state->digital_channels[ch->index]) |
082972e8 UH |
684 | break; |
685 | g_snprintf(command, sizeof(command), | |
686 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE], | |
ba7dd8bb | 687 | ch->index, ch->enabled); |
13f2b9d7 | 688 | |
23f43dff | 689 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 | 690 | return SR_ERR; |
13f2b9d7 | 691 | |
ba7dd8bb | 692 | state->digital_channels[ch->index] = ch->enabled; |
23e1ea7a | 693 | setup_changed = TRUE; |
89280b1a | 694 | break; |
13f2b9d7 DJ |
695 | default: |
696 | return SR_ERR; | |
697 | } | |
698 | } | |
699 | ||
0a1f7b09 | 700 | for (i = 1; i <= model->digital_pods; i++) { |
082972e8 UH |
701 | if (state->digital_pods[i - 1] == pod_enabled[i - 1]) |
702 | continue; | |
703 | g_snprintf(command, sizeof(command), | |
704 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE], | |
705 | i, pod_enabled[i - 1]); | |
23f43dff | 706 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 UH |
707 | return SR_ERR; |
708 | state->digital_pods[i - 1] = pod_enabled[i - 1]; | |
23e1ea7a | 709 | setup_changed = TRUE; |
13f2b9d7 DJ |
710 | } |
711 | ||
712 | g_free(pod_enabled); | |
713 | ||
23e1ea7a DJ |
714 | if (setup_changed && hmo_update_sample_rate(sdi) != SR_OK) |
715 | return SR_ERR; | |
716 | ||
13f2b9d7 DJ |
717 | return SR_OK; |
718 | } | |
719 | ||
695dc859 | 720 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
721 | { |
722 | GSList *l; | |
1b0f62df | 723 | gboolean digital_added[MAX_DIGITAL_GROUP_COUNT]; |
e06875b2 | 724 | size_t group, pod_count; |
ba7dd8bb | 725 | struct sr_channel *ch; |
13f2b9d7 | 726 | struct dev_context *devc; |
23f43dff | 727 | struct sr_scpi_dev_inst *scpi; |
40a75c8e | 728 | int ret; |
06a3e78a DJ |
729 | |
730 | if (sdi->status != SR_ST_ACTIVE) | |
731 | return SR_ERR_DEV_CLOSED; | |
732 | ||
23f43dff | 733 | scpi = sdi->conn; |
13f2b9d7 | 734 | devc = sdi->priv; |
13f2b9d7 | 735 | |
1b0f62df GS |
736 | /* Preset empty results. */ |
737 | for (group = 0; group < ARRAY_SIZE(digital_added); group++) | |
738 | digital_added[group] = FALSE; | |
db81fbb5 SA |
739 | g_slist_free(devc->enabled_channels); |
740 | devc->enabled_channels = NULL; | |
741 | ||
1b0f62df | 742 | /* |
e06875b2 GS |
743 | * Contruct the list of enabled channels. Determine the highest |
744 | * number of digital pods involved in the acquisition. | |
1b0f62df | 745 | */ |
e06875b2 | 746 | pod_count = 0; |
ba7dd8bb UH |
747 | for (l = sdi->channels; l; l = l->next) { |
748 | ch = l->data; | |
749 | if (!ch->enabled) | |
082972e8 | 750 | continue; |
1b0f62df GS |
751 | /* Only add a single digital channel per group (pod). */ |
752 | group = ch->index / 8; | |
753 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added[group]) { | |
ba7dd8bb UH |
754 | devc->enabled_channels = g_slist_append( |
755 | devc->enabled_channels, ch); | |
e06875b2 | 756 | if (ch->type == SR_CHANNEL_LOGIC) { |
1b0f62df | 757 | digital_added[group] = TRUE; |
e06875b2 GS |
758 | if (pod_count < group + 1) |
759 | pod_count = group + 1; | |
760 | } | |
13f2b9d7 DJ |
761 | } |
762 | } | |
ba7dd8bb | 763 | if (!devc->enabled_channels) |
13f2b9d7 | 764 | return SR_ERR; |
e06875b2 GS |
765 | devc->pod_count = pod_count; |
766 | devc->logic_data = NULL; | |
13f2b9d7 | 767 | |
1b0f62df GS |
768 | /* |
769 | * Check constraints. Some channels can be either analog or | |
770 | * digital, but not both at the same time. | |
771 | */ | |
ba7dd8bb UH |
772 | if (hmo_check_channels(devc->enabled_channels) != SR_OK) { |
773 | sr_err("Invalid channel configuration specified!"); | |
40a75c8e GS |
774 | ret = SR_ERR_NA; |
775 | goto free_enabled; | |
13f2b9d7 DJ |
776 | } |
777 | ||
1b0f62df GS |
778 | /* |
779 | * Configure the analog and digital channels and the | |
780 | * corresponding digital pods. | |
781 | */ | |
ba7dd8bb UH |
782 | if (hmo_setup_channels(sdi) != SR_OK) { |
783 | sr_err("Failed to setup channel configuration!"); | |
40a75c8e GS |
784 | ret = SR_ERR; |
785 | goto free_enabled; | |
13f2b9d7 DJ |
786 | } |
787 | ||
1b0f62df GS |
788 | /* |
789 | * Start acquisition on the first enabled channel. The | |
790 | * receive routine will continue driving the acquisition. | |
791 | */ | |
102f1239 BV |
792 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, |
793 | hmo_receive_data, (void *)sdi); | |
13f2b9d7 | 794 | |
bee2b016 | 795 | std_session_send_df_header(sdi); |
13f2b9d7 | 796 | |
ba7dd8bb | 797 | devc->current_channel = devc->enabled_channels; |
13f2b9d7 DJ |
798 | |
799 | return hmo_request_data(sdi); | |
40a75c8e GS |
800 | |
801 | free_enabled: | |
802 | g_slist_free(devc->enabled_channels); | |
803 | devc->enabled_channels = NULL; | |
804 | return ret; | |
06a3e78a DJ |
805 | } |
806 | ||
695dc859 | 807 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
06a3e78a | 808 | { |
13f2b9d7 | 809 | struct dev_context *devc; |
23f43dff | 810 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 | 811 | |
bee2b016 | 812 | std_session_send_df_end(sdi); |
66e3219d | 813 | |
06a3e78a DJ |
814 | if (sdi->status != SR_ST_ACTIVE) |
815 | return SR_ERR_DEV_CLOSED; | |
816 | ||
13f2b9d7 DJ |
817 | devc = sdi->priv; |
818 | ||
ef1a346b | 819 | devc->num_frames = 0; |
ba7dd8bb UH |
820 | g_slist_free(devc->enabled_channels); |
821 | devc->enabled_channels = NULL; | |
23f43dff | 822 | scpi = sdi->conn; |
102f1239 | 823 | sr_scpi_source_remove(sdi->session, scpi); |
06a3e78a DJ |
824 | |
825 | return SR_OK; | |
826 | } | |
827 | ||
dd5c48a6 | 828 | static struct sr_dev_driver hameg_hmo_driver_info = { |
06a3e78a | 829 | .name = "hameg-hmo", |
89280b1a | 830 | .longname = "Hameg HMO", |
06a3e78a | 831 | .api_version = 1, |
c2fdcc25 | 832 | .init = std_init, |
700d6b64 | 833 | .cleanup = std_cleanup, |
06a3e78a | 834 | .scan = scan, |
c01bf34c | 835 | .dev_list = std_dev_list, |
06a3e78a DJ |
836 | .dev_clear = dev_clear, |
837 | .config_get = config_get, | |
838 | .config_set = config_set, | |
839 | .config_list = config_list, | |
840 | .dev_open = dev_open, | |
841 | .dev_close = dev_close, | |
842 | .dev_acquisition_start = dev_acquisition_start, | |
843 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 844 | .context = NULL, |
06a3e78a | 845 | }; |
dd5c48a6 | 846 | SR_REGISTER_DEV_DRIVER(hameg_hmo_driver_info); |