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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 | ||
584560f1 | 34 | static const uint32_t scanopts[] = { |
13f2b9d7 DJ |
35 | SR_CONF_CONN, |
36 | SR_CONF_SERIALCOMM, | |
37 | }; | |
38 | ||
55fb76b3 UH |
39 | static const uint32_t drvopts[] = { |
40 | SR_CONF_OSCILLOSCOPE, | |
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 | ||
3553451f | 113 | static void clear_helper(struct dev_context *devc) |
13f2b9d7 | 114 | { |
719eff68 | 115 | hmo_scope_state_free(devc->model_state); |
13f2b9d7 DJ |
116 | g_free(devc->analog_groups); |
117 | g_free(devc->digital_groups); | |
13f2b9d7 DJ |
118 | } |
119 | ||
4f840ce9 | 120 | static int dev_clear(const struct sr_dev_driver *di) |
06a3e78a | 121 | { |
3553451f | 122 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
06a3e78a DJ |
123 | } |
124 | ||
125 | static int dev_open(struct sr_dev_inst *sdi) | |
126 | { | |
6402c379 | 127 | if (sr_scpi_open(sdi->conn) != SR_OK) |
13f2b9d7 | 128 | return SR_ERR; |
06a3e78a | 129 | |
719eff68 | 130 | if (hmo_scope_state_get(sdi) != SR_OK) |
13f2b9d7 | 131 | return SR_ERR; |
06a3e78a | 132 | |
06a3e78a DJ |
133 | return SR_OK; |
134 | } | |
135 | ||
136 | static int dev_close(struct sr_dev_inst *sdi) | |
137 | { | |
f1ba6b4b | 138 | return sr_scpi_close(sdi->conn); |
06a3e78a DJ |
139 | } |
140 | ||
660e398f | 141 | static int check_channel_group(struct dev_context *devc, |
53b4680f | 142 | const struct sr_channel_group *cg) |
13f2b9d7 DJ |
143 | { |
144 | unsigned int i; | |
329733d9 | 145 | const struct scope_config *model; |
13f2b9d7 DJ |
146 | |
147 | model = devc->model_config; | |
148 | ||
53b4680f | 149 | if (!cg) |
61e77667 | 150 | return CG_NONE; |
13f2b9d7 | 151 | |
0a1f7b09 | 152 | for (i = 0; i < model->analog_channels; i++) |
562b7ae5 | 153 | if (cg == devc->analog_groups[i]) |
61e77667 | 154 | return CG_ANALOG; |
13f2b9d7 | 155 | |
0a1f7b09 | 156 | for (i = 0; i < model->digital_pods; i++) |
562b7ae5 | 157 | if (cg == devc->digital_groups[i]) |
61e77667 | 158 | return CG_DIGITAL; |
13f2b9d7 | 159 | |
660e398f | 160 | sr_err("Invalid channel group specified."); |
89280b1a | 161 | |
61e77667 | 162 | return CG_INVALID; |
13f2b9d7 DJ |
163 | } |
164 | ||
dd7a72ea UH |
165 | static int config_get(uint32_t key, GVariant **data, |
166 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
06a3e78a | 167 | { |
61e77667 | 168 | int ret, cg_type; |
13f2b9d7 | 169 | unsigned int i; |
13f2b9d7 | 170 | struct dev_context *devc; |
329733d9 | 171 | const struct scope_config *model; |
14a2f74d | 172 | struct scope_state *state; |
13f2b9d7 | 173 | |
709468ba | 174 | if (!sdi) |
13f2b9d7 DJ |
175 | return SR_ERR_ARG; |
176 | ||
709468ba UH |
177 | devc = sdi->priv; |
178 | ||
61e77667 | 179 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
13f2b9d7 | 180 | return SR_ERR; |
06a3e78a | 181 | |
13f2b9d7 DJ |
182 | ret = SR_ERR_NA; |
183 | model = devc->model_config; | |
14a2f74d | 184 | state = devc->model_state; |
06a3e78a | 185 | |
06a3e78a | 186 | switch (key) { |
bf622e6d | 187 | case SR_CONF_NUM_HDIV: |
13f2b9d7 DJ |
188 | *data = g_variant_new_int32(model->num_xdivs); |
189 | ret = SR_OK; | |
190 | break; | |
3fd2dca2 DJ |
191 | case SR_CONF_TIMEBASE: |
192 | *data = g_variant_new("(tt)", (*model->timebases)[state->timebase][0], | |
193 | (*model->timebases)[state->timebase][1]); | |
194 | ret = SR_OK; | |
195 | break; | |
13f2b9d7 | 196 | case SR_CONF_NUM_VDIV: |
61e77667 | 197 | if (cg_type == CG_NONE) { |
660e398f | 198 | return SR_ERR_CHANNEL_GROUP; |
61e77667 | 199 | } else if (cg_type == CG_ANALOG) { |
0a1f7b09 | 200 | for (i = 0; i < model->analog_channels; i++) { |
562b7ae5 | 201 | if (cg != devc->analog_groups[i]) |
082972e8 UH |
202 | continue; |
203 | *data = g_variant_new_int32(model->num_ydivs); | |
204 | ret = SR_OK; | |
205 | break; | |
13f2b9d7 DJ |
206 | } |
207 | ||
3fd2dca2 DJ |
208 | } else { |
209 | ret = SR_ERR_NA; | |
210 | } | |
211 | break; | |
212 | case SR_CONF_VDIV: | |
61e77667 | 213 | if (cg_type == CG_NONE) { |
61e77667 UH |
214 | return SR_ERR_CHANNEL_GROUP; |
215 | } else if (cg_type == CG_ANALOG) { | |
0a1f7b09 | 216 | for (i = 0; i < model->analog_channels; i++) { |
562b7ae5 | 217 | if (cg != devc->analog_groups[i]) |
3fd2dca2 DJ |
218 | continue; |
219 | *data = g_variant_new("(tt)", | |
220 | (*model->vdivs)[state->analog_channels[i].vdiv][0], | |
221 | (*model->vdivs)[state->analog_channels[i].vdiv][1]); | |
222 | ret = SR_OK; | |
223 | break; | |
224 | } | |
225 | ||
ccf14618 DJ |
226 | } else { |
227 | ret = SR_ERR_NA; | |
228 | } | |
229 | break; | |
230 | case SR_CONF_TRIGGER_SOURCE: | |
231 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
232 | ret = SR_OK; | |
233 | break; | |
3fd2dca2 DJ |
234 | case SR_CONF_TRIGGER_SLOPE: |
235 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
236 | ret = SR_OK; | |
237 | break; | |
238 | case SR_CONF_HORIZ_TRIGGERPOS: | |
239 | *data = g_variant_new_double(state->horiz_triggerpos); | |
240 | ret = SR_OK; | |
241 | break; | |
ccf14618 | 242 | case SR_CONF_COUPLING: |
61e77667 | 243 | if (cg_type == CG_NONE) { |
660e398f | 244 | return SR_ERR_CHANNEL_GROUP; |
61e77667 | 245 | } else if (cg_type == CG_ANALOG) { |
0a1f7b09 | 246 | for (i = 0; i < model->analog_channels; i++) { |
562b7ae5 | 247 | if (cg != devc->analog_groups[i]) |
ccf14618 DJ |
248 | continue; |
249 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); | |
250 | ret = SR_OK; | |
251 | break; | |
252 | } | |
253 | ||
13f2b9d7 DJ |
254 | } else { |
255 | ret = SR_ERR_NA; | |
256 | } | |
257 | break; | |
14a2f74d DJ |
258 | case SR_CONF_SAMPLERATE: |
259 | *data = g_variant_new_uint64(state->sample_rate); | |
260 | ret = SR_OK; | |
261 | break; | |
06a3e78a | 262 | default: |
13f2b9d7 | 263 | ret = SR_ERR_NA; |
06a3e78a DJ |
264 | } |
265 | ||
266 | return ret; | |
267 | } | |
268 | ||
dd7a72ea UH |
269 | static int config_set(uint32_t key, GVariant *data, |
270 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
06a3e78a | 271 | { |
61e77667 | 272 | int ret, cg_type; |
89280b1a | 273 | unsigned int i, j; |
965b463d | 274 | char command[MAX_COMMAND_SIZE], float_str[30]; |
13f2b9d7 | 275 | struct dev_context *devc; |
329733d9 | 276 | const struct scope_config *model; |
13f2b9d7 | 277 | struct scope_state *state; |
89280b1a | 278 | const char *tmp; |
ca9b9f48 | 279 | uint64_t p, q; |
89280b1a | 280 | double tmp_d; |
23e1ea7a | 281 | gboolean update_sample_rate; |
06a3e78a | 282 | |
b0baddef | 283 | if (!sdi) |
13f2b9d7 DJ |
284 | return SR_ERR_ARG; |
285 | ||
b0baddef UH |
286 | devc = sdi->priv; |
287 | ||
61e77667 | 288 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
13f2b9d7 DJ |
289 | return SR_ERR; |
290 | ||
291 | model = devc->model_config; | |
292 | state = devc->model_state; | |
23e1ea7a | 293 | update_sample_rate = FALSE; |
13f2b9d7 DJ |
294 | |
295 | ret = SR_ERR_NA; | |
06a3e78a | 296 | |
06a3e78a | 297 | switch (key) { |
13f2b9d7 DJ |
298 | case SR_CONF_LIMIT_FRAMES: |
299 | devc->frame_limit = g_variant_get_uint64(data); | |
300 | ret = SR_OK; | |
301 | break; | |
13f2b9d7 | 302 | case SR_CONF_TRIGGER_SOURCE: |
13f2b9d7 | 303 | tmp = g_variant_get_string(data, NULL); |
13f2b9d7 | 304 | for (i = 0; (*model->trigger_sources)[i]; i++) { |
082972e8 UH |
305 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) |
306 | continue; | |
307 | state->trigger_source = i; | |
308 | g_snprintf(command, sizeof(command), | |
309 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE], | |
310 | (*model->trigger_sources)[i]); | |
13f2b9d7 | 311 | |
082972e8 UH |
312 | ret = sr_scpi_send(sdi->conn, command); |
313 | break; | |
13f2b9d7 | 314 | } |
89280b1a | 315 | break; |
13f2b9d7 | 316 | case SR_CONF_VDIV: |
87dc5410 | 317 | if (cg_type == CG_NONE) |
660e398f | 318 | return SR_ERR_CHANNEL_GROUP; |
13f2b9d7 DJ |
319 | |
320 | g_variant_get(data, "(tt)", &p, &q); | |
321 | ||
322 | for (i = 0; i < model->num_vdivs; i++) { | |
082972e8 UH |
323 | if (p != (*model->vdivs)[i][0] || |
324 | q != (*model->vdivs)[i][1]) | |
325 | continue; | |
0a1f7b09 | 326 | for (j = 1; j <= model->analog_channels; j++) { |
562b7ae5 | 327 | if (cg != devc->analog_groups[j - 1]) |
082972e8 | 328 | continue; |
8de2dc3b | 329 | state->analog_channels[j - 1].vdiv = i; |
965b463d | 330 | g_ascii_formatd(float_str, sizeof(float_str), "%E", (float) p / q); |
082972e8 UH |
331 | g_snprintf(command, sizeof(command), |
332 | (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV], | |
965b463d | 333 | j, float_str); |
082972e8 UH |
334 | |
335 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
336 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
337 | return SR_ERR; | |
13f2b9d7 | 338 | |
13f2b9d7 DJ |
339 | break; |
340 | } | |
082972e8 UH |
341 | |
342 | ret = SR_OK; | |
343 | break; | |
13f2b9d7 | 344 | } |
89280b1a | 345 | break; |
13f2b9d7 | 346 | case SR_CONF_TIMEBASE: |
13f2b9d7 DJ |
347 | g_variant_get(data, "(tt)", &p, &q); |
348 | ||
349 | for (i = 0; i < model->num_timebases; i++) { | |
082972e8 UH |
350 | if (p != (*model->timebases)[i][0] || |
351 | q != (*model->timebases)[i][1]) | |
352 | continue; | |
8de2dc3b | 353 | state->timebase = i; |
965b463d | 354 | g_ascii_formatd(float_str, sizeof(float_str), "%E", (float) p / q); |
082972e8 UH |
355 | g_snprintf(command, sizeof(command), |
356 | (*model->scpi_dialect)[SCPI_CMD_SET_TIMEBASE], | |
965b463d | 357 | float_str); |
13f2b9d7 | 358 | |
082972e8 | 359 | ret = sr_scpi_send(sdi->conn, command); |
23e1ea7a | 360 | update_sample_rate = TRUE; |
082972e8 | 361 | break; |
13f2b9d7 | 362 | } |
89280b1a | 363 | break; |
13f2b9d7 | 364 | case SR_CONF_HORIZ_TRIGGERPOS: |
89280b1a | 365 | tmp_d = g_variant_get_double(data); |
13f2b9d7 | 366 | |
89280b1a | 367 | if (tmp_d < 0.0 || tmp_d > 1.0) |
13f2b9d7 DJ |
368 | return SR_ERR; |
369 | ||
422a1c0d DJ |
370 | state->horiz_triggerpos = tmp_d; |
371 | tmp_d = -(tmp_d - 0.5) * | |
372 | ((double) (*model->timebases)[state->timebase][0] / | |
373 | (*model->timebases)[state->timebase][1]) | |
374 | * model->num_xdivs; | |
375 | ||
376 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); | |
13f2b9d7 DJ |
377 | g_snprintf(command, sizeof(command), |
378 | (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS], | |
422a1c0d | 379 | float_str); |
13f2b9d7 DJ |
380 | |
381 | ret = sr_scpi_send(sdi->conn, command); | |
89280b1a | 382 | break; |
13f2b9d7 | 383 | case SR_CONF_TRIGGER_SLOPE: |
ca9b9f48 | 384 | tmp = g_variant_get_string(data, NULL); |
e3abd15d SB |
385 | for (i = 0; (*model->trigger_slopes)[i]; i++) { |
386 | if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0) | |
387 | continue; | |
388 | state->trigger_slope = i; | |
389 | g_snprintf(command, sizeof(command), | |
390 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE], | |
391 | (*model->trigger_slopes)[i]); | |
13f2b9d7 | 392 | |
e3abd15d SB |
393 | ret = sr_scpi_send(sdi->conn, command); |
394 | break; | |
395 | } | |
89280b1a | 396 | break; |
13f2b9d7 | 397 | case SR_CONF_COUPLING: |
87dc5410 | 398 | if (cg_type == CG_NONE) |
660e398f | 399 | return SR_ERR_CHANNEL_GROUP; |
13f2b9d7 DJ |
400 | |
401 | tmp = g_variant_get_string(data, NULL); | |
402 | ||
403 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
082972e8 UH |
404 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) |
405 | continue; | |
0a1f7b09 | 406 | for (j = 1; j <= model->analog_channels; j++) { |
562b7ae5 | 407 | if (cg != devc->analog_groups[j - 1]) |
082972e8 UH |
408 | continue; |
409 | state->analog_channels[j-1].coupling = i; | |
13f2b9d7 | 410 | |
082972e8 UH |
411 | g_snprintf(command, sizeof(command), |
412 | (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING], | |
413 | j, tmp); | |
414 | ||
415 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
416 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
417 | return SR_ERR; | |
13f2b9d7 DJ |
418 | break; |
419 | } | |
082972e8 UH |
420 | |
421 | ret = SR_OK; | |
422 | break; | |
13f2b9d7 | 423 | } |
89280b1a | 424 | break; |
06a3e78a DJ |
425 | default: |
426 | ret = SR_ERR_NA; | |
13f2b9d7 | 427 | break; |
06a3e78a DJ |
428 | } |
429 | ||
13f2b9d7 DJ |
430 | if (ret == SR_OK) |
431 | ret = sr_scpi_get_opc(sdi->conn); | |
432 | ||
23e1ea7a DJ |
433 | if (ret == SR_OK && update_sample_rate) |
434 | ret = hmo_update_sample_rate(sdi); | |
435 | ||
06a3e78a DJ |
436 | return ret; |
437 | } | |
438 | ||
dd7a72ea UH |
439 | static int config_list(uint32_t key, GVariant **data, |
440 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
06a3e78a | 441 | { |
6ec3ef9b AJ |
442 | int cg_type = CG_NONE; |
443 | struct dev_context *devc = NULL; | |
329733d9 | 444 | const struct scope_config *model = NULL; |
13f2b9d7 | 445 | |
4d399734 UH |
446 | if (sdi) { |
447 | devc = sdi->priv; | |
6ec3ef9b AJ |
448 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
449 | return SR_ERR; | |
13f2b9d7 | 450 | |
6ec3ef9b AJ |
451 | model = devc->model_config; |
452 | } | |
06a3e78a | 453 | |
06a3e78a | 454 | switch (key) { |
226363c4 | 455 | case SR_CONF_SCAN_OPTIONS: |
53012da6 | 456 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(scanopts)); |
226363c4 | 457 | break; |
13f2b9d7 | 458 | case SR_CONF_DEVICE_OPTIONS: |
61e77667 | 459 | if (cg_type == CG_NONE) { |
6ec3ef9b | 460 | if (model) |
105df674 | 461 | *data = std_gvar_array_u32((const uint32_t *)model->devopts, model->num_devopts); |
6ec3ef9b | 462 | else |
53012da6 | 463 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(drvopts)); |
61e77667 | 464 | } else if (cg_type == CG_ANALOG) { |
105df674 | 465 | *data = std_gvar_array_u32((const uint32_t *)model->devopts_cg_analog, model->num_devopts_cg_analog); |
13f2b9d7 | 466 | } else { |
105df674 | 467 | *data = std_gvar_array_u32(NULL, 0); |
13f2b9d7 DJ |
468 | } |
469 | break; | |
13f2b9d7 | 470 | case SR_CONF_COUPLING: |
61e77667 | 471 | if (cg_type == CG_NONE) |
660e398f | 472 | return SR_ERR_CHANNEL_GROUP; |
13f2b9d7 | 473 | *data = g_variant_new_strv(*model->coupling_options, |
89280b1a | 474 | g_strv_length((char **)*model->coupling_options)); |
13f2b9d7 | 475 | break; |
13f2b9d7 | 476 | case SR_CONF_TRIGGER_SOURCE: |
6ec3ef9b AJ |
477 | if (!model) |
478 | return SR_ERR_ARG; | |
13f2b9d7 | 479 | *data = g_variant_new_strv(*model->trigger_sources, |
89280b1a | 480 | g_strv_length((char **)*model->trigger_sources)); |
13f2b9d7 | 481 | break; |
bbabdaf1 | 482 | case SR_CONF_TRIGGER_SLOPE: |
6ec3ef9b AJ |
483 | if (!model) |
484 | return SR_ERR_ARG; | |
bbabdaf1 DJ |
485 | *data = g_variant_new_strv(*model->trigger_slopes, |
486 | g_strv_length((char **)*model->trigger_slopes)); | |
487 | break; | |
13f2b9d7 | 488 | case SR_CONF_TIMEBASE: |
6ec3ef9b AJ |
489 | if (!model) |
490 | return SR_ERR_ARG; | |
58ffcf97 | 491 | *data = std_gvar_tuple_array(*model->timebases, model->num_timebases); |
13f2b9d7 | 492 | break; |
13f2b9d7 | 493 | case SR_CONF_VDIV: |
61e77667 | 494 | if (cg_type == CG_NONE) |
660e398f | 495 | return SR_ERR_CHANNEL_GROUP; |
58ffcf97 | 496 | *data = std_gvar_tuple_array(*model->vdivs, model->num_vdivs); |
13f2b9d7 | 497 | break; |
06a3e78a DJ |
498 | default: |
499 | return SR_ERR_NA; | |
500 | } | |
501 | ||
13f2b9d7 | 502 | return SR_OK; |
06a3e78a DJ |
503 | } |
504 | ||
13f2b9d7 | 505 | SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi) |
06a3e78a | 506 | { |
13f2b9d7 | 507 | char command[MAX_COMMAND_SIZE]; |
ba7dd8bb | 508 | struct sr_channel *ch; |
13f2b9d7 | 509 | struct dev_context *devc; |
329733d9 | 510 | const struct scope_config *model; |
13f2b9d7 DJ |
511 | |
512 | devc = sdi->priv; | |
513 | model = devc->model_config; | |
514 | ||
ba7dd8bb | 515 | ch = devc->current_channel->data; |
13f2b9d7 | 516 | |
ba7dd8bb | 517 | switch (ch->type) { |
3f239f08 | 518 | case SR_CHANNEL_ANALOG: |
13f2b9d7 DJ |
519 | g_snprintf(command, sizeof(command), |
520 | (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA], | |
65a6794e GS |
521 | #ifdef WORDS_BIGENDIAN |
522 | "MSBF", | |
523 | #else | |
524 | "LSBF", | |
525 | #endif | |
ba7dd8bb | 526 | ch->index + 1); |
13f2b9d7 | 527 | break; |
3f239f08 | 528 | case SR_CHANNEL_LOGIC: |
13f2b9d7 DJ |
529 | g_snprintf(command, sizeof(command), |
530 | (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA], | |
ba7dd8bb | 531 | ch->index < 8 ? 1 : 2); |
13f2b9d7 DJ |
532 | break; |
533 | default: | |
ba7dd8bb | 534 | sr_err("Invalid channel type."); |
13f2b9d7 DJ |
535 | break; |
536 | } | |
537 | ||
538 | return sr_scpi_send(sdi->conn, command); | |
539 | } | |
540 | ||
ba7dd8bb | 541 | static int hmo_check_channels(GSList *channels) |
13f2b9d7 DJ |
542 | { |
543 | GSList *l; | |
ba7dd8bb | 544 | struct sr_channel *ch; |
4889acef GS |
545 | gboolean enabled_chan[MAX_ANALOG_CHANNEL_COUNT]; |
546 | gboolean enabled_pod[MAX_DIGITAL_GROUP_COUNT]; | |
547 | size_t idx; | |
548 | ||
549 | /* Preset "not enabled" for all channels / pods. */ | |
550 | for (idx = 0; idx < ARRAY_SIZE(enabled_chan); idx++) | |
551 | enabled_chan[idx] = FALSE; | |
552 | for (idx = 0; idx < ARRAY_SIZE(enabled_pod); idx++) | |
553 | enabled_pod[idx] = FALSE; | |
554 | ||
555 | /* | |
556 | * Determine which channels / pods are required for the caller's | |
557 | * specified configuration. | |
558 | */ | |
ba7dd8bb UH |
559 | for (l = channels; l; l = l->next) { |
560 | ch = l->data; | |
561 | switch (ch->type) { | |
3f239f08 | 562 | case SR_CHANNEL_ANALOG: |
4889acef GS |
563 | idx = ch->index; |
564 | if (idx < ARRAY_SIZE(enabled_chan)) | |
565 | enabled_chan[idx] = TRUE; | |
13f2b9d7 | 566 | break; |
3f239f08 | 567 | case SR_CHANNEL_LOGIC: |
4889acef GS |
568 | idx = ch->index / 8; |
569 | if (idx < ARRAY_SIZE(enabled_pod)) | |
570 | enabled_pod[idx] = TRUE; | |
13f2b9d7 | 571 | break; |
13f2b9d7 DJ |
572 | default: |
573 | return SR_ERR; | |
574 | } | |
575 | } | |
576 | ||
4889acef GS |
577 | /* |
578 | * Check for resource conflicts. Some channels can be either | |
579 | * analog or digital, but never both at the same time. | |
580 | * | |
581 | * Note that the constraints might depend on the specific model. | |
582 | * These tests might need some adjustment when support for more | |
583 | * models gets added to the driver. | |
584 | */ | |
585 | if (enabled_pod[0] && enabled_chan[2]) | |
586 | return SR_ERR; | |
587 | if (enabled_pod[1] && enabled_chan[3]) | |
13f2b9d7 | 588 | return SR_ERR; |
13f2b9d7 DJ |
589 | return SR_OK; |
590 | } | |
591 | ||
ba7dd8bb | 592 | static int hmo_setup_channels(const struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
593 | { |
594 | GSList *l; | |
595 | unsigned int i; | |
23e1ea7a | 596 | gboolean *pod_enabled, setup_changed; |
13f2b9d7 | 597 | char command[MAX_COMMAND_SIZE]; |
13f2b9d7 | 598 | struct scope_state *state; |
329733d9 | 599 | const struct scope_config *model; |
ba7dd8bb | 600 | struct sr_channel *ch; |
13f2b9d7 | 601 | struct dev_context *devc; |
23f43dff | 602 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 DJ |
603 | |
604 | devc = sdi->priv; | |
23f43dff | 605 | scpi = sdi->conn; |
13f2b9d7 DJ |
606 | state = devc->model_state; |
607 | model = devc->model_config; | |
23e1ea7a | 608 | setup_changed = FALSE; |
13f2b9d7 DJ |
609 | |
610 | pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods); | |
611 | ||
ba7dd8bb UH |
612 | for (l = sdi->channels; l; l = l->next) { |
613 | ch = l->data; | |
614 | switch (ch->type) { | |
3f239f08 | 615 | case SR_CHANNEL_ANALOG: |
ba7dd8bb | 616 | if (ch->enabled == state->analog_channels[ch->index].state) |
082972e8 UH |
617 | break; |
618 | g_snprintf(command, sizeof(command), | |
619 | (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE], | |
ba7dd8bb | 620 | ch->index + 1, ch->enabled); |
13f2b9d7 | 621 | |
23f43dff | 622 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 | 623 | return SR_ERR; |
ba7dd8bb | 624 | state->analog_channels[ch->index].state = ch->enabled; |
23e1ea7a | 625 | setup_changed = TRUE; |
89280b1a | 626 | break; |
3f239f08 | 627 | case SR_CHANNEL_LOGIC: |
13f2b9d7 DJ |
628 | /* |
629 | * A digital POD needs to be enabled for every group of | |
ba7dd8bb | 630 | * 8 channels. |
13f2b9d7 | 631 | */ |
ba7dd8bb UH |
632 | if (ch->enabled) |
633 | pod_enabled[ch->index < 8 ? 0 : 1] = TRUE; | |
13f2b9d7 | 634 | |
ba7dd8bb | 635 | if (ch->enabled == state->digital_channels[ch->index]) |
082972e8 UH |
636 | break; |
637 | g_snprintf(command, sizeof(command), | |
638 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE], | |
ba7dd8bb | 639 | ch->index, ch->enabled); |
13f2b9d7 | 640 | |
23f43dff | 641 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 | 642 | return SR_ERR; |
13f2b9d7 | 643 | |
ba7dd8bb | 644 | state->digital_channels[ch->index] = ch->enabled; |
23e1ea7a | 645 | setup_changed = TRUE; |
89280b1a | 646 | break; |
13f2b9d7 DJ |
647 | default: |
648 | return SR_ERR; | |
649 | } | |
650 | } | |
651 | ||
0a1f7b09 | 652 | for (i = 1; i <= model->digital_pods; i++) { |
082972e8 UH |
653 | if (state->digital_pods[i - 1] == pod_enabled[i - 1]) |
654 | continue; | |
655 | g_snprintf(command, sizeof(command), | |
656 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE], | |
657 | i, pod_enabled[i - 1]); | |
23f43dff | 658 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 UH |
659 | return SR_ERR; |
660 | state->digital_pods[i - 1] = pod_enabled[i - 1]; | |
23e1ea7a | 661 | setup_changed = TRUE; |
13f2b9d7 DJ |
662 | } |
663 | ||
664 | g_free(pod_enabled); | |
665 | ||
23e1ea7a DJ |
666 | if (setup_changed && hmo_update_sample_rate(sdi) != SR_OK) |
667 | return SR_ERR; | |
668 | ||
13f2b9d7 DJ |
669 | return SR_OK; |
670 | } | |
671 | ||
695dc859 | 672 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
673 | { |
674 | GSList *l; | |
1b0f62df | 675 | gboolean digital_added[MAX_DIGITAL_GROUP_COUNT]; |
e06875b2 | 676 | size_t group, pod_count; |
ba7dd8bb | 677 | struct sr_channel *ch; |
13f2b9d7 | 678 | struct dev_context *devc; |
23f43dff | 679 | struct sr_scpi_dev_inst *scpi; |
40a75c8e | 680 | int ret; |
06a3e78a | 681 | |
23f43dff | 682 | scpi = sdi->conn; |
13f2b9d7 | 683 | devc = sdi->priv; |
13f2b9d7 | 684 | |
1b0f62df GS |
685 | /* Preset empty results. */ |
686 | for (group = 0; group < ARRAY_SIZE(digital_added); group++) | |
687 | digital_added[group] = FALSE; | |
db81fbb5 SA |
688 | g_slist_free(devc->enabled_channels); |
689 | devc->enabled_channels = NULL; | |
690 | ||
1b0f62df | 691 | /* |
e06875b2 GS |
692 | * Contruct the list of enabled channels. Determine the highest |
693 | * number of digital pods involved in the acquisition. | |
1b0f62df | 694 | */ |
e06875b2 | 695 | pod_count = 0; |
ba7dd8bb UH |
696 | for (l = sdi->channels; l; l = l->next) { |
697 | ch = l->data; | |
698 | if (!ch->enabled) | |
082972e8 | 699 | continue; |
1b0f62df GS |
700 | /* Only add a single digital channel per group (pod). */ |
701 | group = ch->index / 8; | |
702 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added[group]) { | |
ba7dd8bb UH |
703 | devc->enabled_channels = g_slist_append( |
704 | devc->enabled_channels, ch); | |
e06875b2 | 705 | if (ch->type == SR_CHANNEL_LOGIC) { |
1b0f62df | 706 | digital_added[group] = TRUE; |
e06875b2 GS |
707 | if (pod_count < group + 1) |
708 | pod_count = group + 1; | |
709 | } | |
13f2b9d7 DJ |
710 | } |
711 | } | |
ba7dd8bb | 712 | if (!devc->enabled_channels) |
13f2b9d7 | 713 | return SR_ERR; |
e06875b2 GS |
714 | devc->pod_count = pod_count; |
715 | devc->logic_data = NULL; | |
13f2b9d7 | 716 | |
1b0f62df GS |
717 | /* |
718 | * Check constraints. Some channels can be either analog or | |
719 | * digital, but not both at the same time. | |
720 | */ | |
ba7dd8bb UH |
721 | if (hmo_check_channels(devc->enabled_channels) != SR_OK) { |
722 | sr_err("Invalid channel configuration specified!"); | |
40a75c8e GS |
723 | ret = SR_ERR_NA; |
724 | goto free_enabled; | |
13f2b9d7 DJ |
725 | } |
726 | ||
1b0f62df GS |
727 | /* |
728 | * Configure the analog and digital channels and the | |
729 | * corresponding digital pods. | |
730 | */ | |
ba7dd8bb UH |
731 | if (hmo_setup_channels(sdi) != SR_OK) { |
732 | sr_err("Failed to setup channel configuration!"); | |
40a75c8e GS |
733 | ret = SR_ERR; |
734 | goto free_enabled; | |
13f2b9d7 DJ |
735 | } |
736 | ||
1b0f62df GS |
737 | /* |
738 | * Start acquisition on the first enabled channel. The | |
739 | * receive routine will continue driving the acquisition. | |
740 | */ | |
102f1239 BV |
741 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, |
742 | hmo_receive_data, (void *)sdi); | |
13f2b9d7 | 743 | |
bee2b016 | 744 | std_session_send_df_header(sdi); |
13f2b9d7 | 745 | |
ba7dd8bb | 746 | devc->current_channel = devc->enabled_channels; |
13f2b9d7 DJ |
747 | |
748 | return hmo_request_data(sdi); | |
40a75c8e GS |
749 | |
750 | free_enabled: | |
751 | g_slist_free(devc->enabled_channels); | |
752 | devc->enabled_channels = NULL; | |
753 | return ret; | |
06a3e78a DJ |
754 | } |
755 | ||
695dc859 | 756 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
06a3e78a | 757 | { |
13f2b9d7 | 758 | struct dev_context *devc; |
23f43dff | 759 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 | 760 | |
bee2b016 | 761 | std_session_send_df_end(sdi); |
66e3219d | 762 | |
13f2b9d7 DJ |
763 | devc = sdi->priv; |
764 | ||
ef1a346b | 765 | devc->num_frames = 0; |
ba7dd8bb UH |
766 | g_slist_free(devc->enabled_channels); |
767 | devc->enabled_channels = NULL; | |
23f43dff | 768 | scpi = sdi->conn; |
102f1239 | 769 | sr_scpi_source_remove(sdi->session, scpi); |
06a3e78a DJ |
770 | |
771 | return SR_OK; | |
772 | } | |
773 | ||
dd5c48a6 | 774 | static struct sr_dev_driver hameg_hmo_driver_info = { |
06a3e78a | 775 | .name = "hameg-hmo", |
89280b1a | 776 | .longname = "Hameg HMO", |
06a3e78a | 777 | .api_version = 1, |
c2fdcc25 | 778 | .init = std_init, |
700d6b64 | 779 | .cleanup = std_cleanup, |
06a3e78a | 780 | .scan = scan, |
c01bf34c | 781 | .dev_list = std_dev_list, |
06a3e78a DJ |
782 | .dev_clear = dev_clear, |
783 | .config_get = config_get, | |
784 | .config_set = config_set, | |
785 | .config_list = config_list, | |
786 | .dev_open = dev_open, | |
787 | .dev_close = dev_close, | |
788 | .dev_acquisition_start = dev_acquisition_start, | |
789 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 790 | .context = NULL, |
06a3e78a | 791 | }; |
dd5c48a6 | 792 | SR_REGISTER_DEV_DRIVER(hameg_hmo_driver_info); |