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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Martin Ling <martin-git@earth.li> | |
5 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
6 | * Copyright (C) 2013 Mathias Grimmberger <mgri@zaphod.sax.de> | |
7 | * | |
8 | * This program is free software: you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation, either version 3 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
21 | ||
22 | #include <config.h> | |
23 | #include <fcntl.h> | |
24 | #include <unistd.h> | |
25 | #include <stdlib.h> | |
26 | #include <string.h> | |
27 | #include <strings.h> | |
28 | #include <math.h> | |
29 | #include <glib.h> | |
30 | #include <libsigrok/libsigrok.h> | |
31 | #include "libsigrok-internal.h" | |
32 | #include "scpi.h" | |
33 | #include "protocol.h" | |
34 | ||
35 | static const uint32_t scanopts[] = { | |
36 | SR_CONF_CONN, | |
37 | SR_CONF_SERIALCOMM, | |
38 | }; | |
39 | ||
40 | static const uint32_t drvopts[] = { | |
41 | SR_CONF_OSCILLOSCOPE, | |
42 | }; | |
43 | ||
44 | static const uint32_t devopts[] = { | |
45 | SR_CONF_LIMIT_FRAMES | SR_CONF_SET, | |
46 | SR_CONF_SAMPLERATE | SR_CONF_GET, | |
47 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
48 | SR_CONF_NUM_HDIV | SR_CONF_GET, | |
49 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_SET, | |
50 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
51 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
52 | SR_CONF_TRIGGER_LEVEL | SR_CONF_GET | SR_CONF_SET, | |
53 | SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
54 | }; | |
55 | ||
56 | static const uint32_t devopts_cg_analog[] = { | |
57 | SR_CONF_NUM_VDIV | SR_CONF_GET, | |
58 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
59 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
60 | SR_CONF_PROBE_FACTOR | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
61 | }; | |
62 | ||
63 | static const uint64_t timebases[][2] = { | |
64 | /* nanoseconds */ | |
65 | { 1, 1000000000 }, | |
66 | { 2, 1000000000 }, | |
67 | { 5, 1000000000 }, | |
68 | { 10, 1000000000 }, | |
69 | { 20, 1000000000 }, | |
70 | { 50, 1000000000 }, | |
71 | { 100, 1000000000 }, | |
72 | { 500, 1000000000 }, | |
73 | /* microseconds */ | |
74 | { 1, 1000000 }, | |
75 | { 2, 1000000 }, | |
76 | { 5, 1000000 }, | |
77 | { 10, 1000000 }, | |
78 | { 20, 1000000 }, | |
79 | { 50, 1000000 }, | |
80 | { 100, 1000000 }, | |
81 | { 200, 1000000 }, | |
82 | { 500, 1000000 }, | |
83 | /* milliseconds */ | |
84 | { 1, 1000 }, | |
85 | { 2, 1000 }, | |
86 | { 5, 1000 }, | |
87 | { 10, 1000 }, | |
88 | { 20, 1000 }, | |
89 | { 50, 1000 }, | |
90 | { 100, 1000 }, | |
91 | { 200, 1000 }, | |
92 | { 500, 1000 }, | |
93 | /* seconds */ | |
94 | { 1, 1 }, | |
95 | { 2, 1 }, | |
96 | { 5, 1 }, | |
97 | { 10, 1 }, | |
98 | { 20, 1 }, | |
99 | { 50, 1 }, | |
100 | { 100, 1 }, | |
101 | { 200, 1 }, | |
102 | { 500, 1 }, | |
103 | { 1000, 1 }, | |
104 | }; | |
105 | ||
106 | static const uint64_t vdivs[][2] = { | |
107 | /* microvolts */ | |
108 | { 500, 1000000 }, | |
109 | /* millivolts */ | |
110 | { 1, 1000 }, | |
111 | { 2, 1000 }, | |
112 | { 5, 1000 }, | |
113 | { 10, 1000 }, | |
114 | { 20, 1000 }, | |
115 | { 50, 1000 }, | |
116 | { 100, 1000 }, | |
117 | { 200, 1000 }, | |
118 | { 500, 1000 }, | |
119 | /* volts */ | |
120 | { 1, 1 }, | |
121 | { 2, 1 }, | |
122 | { 5, 1 }, | |
123 | { 10, 1 }, | |
124 | { 20, 1 }, | |
125 | { 50, 1 }, | |
126 | { 100, 1 }, | |
127 | }; | |
128 | ||
129 | static const char *trigger_sources[] = { | |
130 | "CH1", "CH2", "CH3", "CH4", | |
131 | "EXT", "AC Line", | |
132 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
133 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
134 | }; | |
135 | ||
136 | static const char *trigger_slopes[] = { | |
137 | "r", "f", | |
138 | }; | |
139 | ||
140 | static const char *coupling[] = { | |
141 | "AC", "DC", "GND", | |
142 | }; | |
143 | ||
144 | static const uint64_t probe_factor[] = { | |
145 | 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, | |
146 | }; | |
147 | ||
148 | /* Do not change the order of entries */ | |
149 | static const char *data_sources[] = { | |
150 | "Live", | |
151 | "Memory", | |
152 | "Segmented", | |
153 | }; | |
154 | ||
155 | enum vendor { | |
156 | RIGOL, | |
157 | AGILENT, | |
158 | }; | |
159 | ||
160 | enum series { | |
161 | VS5000, | |
162 | DS1000, | |
163 | DS2000, | |
164 | DS2000A, | |
165 | DSO1000, | |
166 | DS1000Z, | |
167 | }; | |
168 | ||
169 | /* short name, full name */ | |
170 | static const struct rigol_ds_vendor supported_vendors[] = { | |
171 | [RIGOL] = {"Rigol", "Rigol Technologies"}, | |
172 | [AGILENT] = {"Agilent", "Agilent Technologies"}, | |
173 | }; | |
174 | ||
175 | #define VENDOR(x) &supported_vendors[x] | |
176 | /* vendor, series/name, protocol, data format, max timebase, min vdiv, | |
177 | * number of horizontal divs, live waveform samples, memory buffer samples */ | |
178 | static const struct rigol_ds_series supported_series[] = { | |
179 | [VS5000] = {VENDOR(RIGOL), "VS5000", PROTOCOL_V1, FORMAT_RAW, | |
180 | {50, 1}, {2, 1000}, 14, 2048, 0}, | |
181 | [DS1000] = {VENDOR(RIGOL), "DS1000", PROTOCOL_V2, FORMAT_IEEE488_2, | |
182 | {50, 1}, {2, 1000}, 12, 600, 1048576}, | |
183 | [DS2000] = {VENDOR(RIGOL), "DS2000", PROTOCOL_V3, FORMAT_IEEE488_2, | |
184 | {500, 1}, {500, 1000000}, 14, 1400, 14000}, | |
185 | [DS2000A] = {VENDOR(RIGOL), "DS2000A", PROTOCOL_V3, FORMAT_IEEE488_2, | |
186 | {1000, 1}, {500, 1000000}, 14, 1400, 14000}, | |
187 | [DSO1000] = {VENDOR(AGILENT), "DSO1000", PROTOCOL_V3, FORMAT_IEEE488_2, | |
188 | {50, 1}, {2, 1000}, 12, 600, 20480}, | |
189 | [DS1000Z] = {VENDOR(RIGOL), "DS1000Z", PROTOCOL_V4, FORMAT_IEEE488_2, | |
190 | {50, 1}, {1, 1000}, 12, 1200, 12000000}, | |
191 | }; | |
192 | ||
193 | #define SERIES(x) &supported_series[x] | |
194 | /* series, model, min timebase, analog channels, digital */ | |
195 | static const struct rigol_ds_model supported_models[] = { | |
196 | {SERIES(VS5000), "VS5022", {20, 1000000000}, 2, false}, | |
197 | {SERIES(VS5000), "VS5042", {10, 1000000000}, 2, false}, | |
198 | {SERIES(VS5000), "VS5062", {5, 1000000000}, 2, false}, | |
199 | {SERIES(VS5000), "VS5102", {2, 1000000000}, 2, false}, | |
200 | {SERIES(VS5000), "VS5202", {2, 1000000000}, 2, false}, | |
201 | {SERIES(VS5000), "VS5022D", {20, 1000000000}, 2, true}, | |
202 | {SERIES(VS5000), "VS5042D", {10, 1000000000}, 2, true}, | |
203 | {SERIES(VS5000), "VS5062D", {5, 1000000000}, 2, true}, | |
204 | {SERIES(VS5000), "VS5102D", {2, 1000000000}, 2, true}, | |
205 | {SERIES(VS5000), "VS5202D", {2, 1000000000}, 2, true}, | |
206 | {SERIES(DS1000), "DS1052E", {5, 1000000000}, 2, false}, | |
207 | {SERIES(DS1000), "DS1102E", {2, 1000000000}, 2, false}, | |
208 | {SERIES(DS1000), "DS1152E", {2, 1000000000}, 2, false}, | |
209 | {SERIES(DS1000), "DS1052D", {5, 1000000000}, 2, true}, | |
210 | {SERIES(DS1000), "DS1102D", {2, 1000000000}, 2, true}, | |
211 | {SERIES(DS1000), "DS1152D", {2, 1000000000}, 2, true}, | |
212 | {SERIES(DS2000), "DS2072", {5, 1000000000}, 2, false}, | |
213 | {SERIES(DS2000), "DS2102", {5, 1000000000}, 2, false}, | |
214 | {SERIES(DS2000), "DS2202", {2, 1000000000}, 2, false}, | |
215 | {SERIES(DS2000), "DS2302", {1, 1000000000}, 2, false}, | |
216 | {SERIES(DS2000A), "DS2072A", {5, 1000000000}, 2, false}, | |
217 | {SERIES(DS2000A), "DS2102A", {5, 1000000000}, 2, false}, | |
218 | {SERIES(DS2000A), "DS2202A", {2, 1000000000}, 2, false}, | |
219 | {SERIES(DS2000A), "DS2302A", {1, 1000000000}, 2, false}, | |
220 | {SERIES(DS2000A), "MSO2072A", {5, 1000000000}, 2, true}, | |
221 | {SERIES(DS2000A), "MSO2102A", {5, 1000000000}, 2, true}, | |
222 | {SERIES(DS2000A), "MSO2202A", {2, 1000000000}, 2, true}, | |
223 | {SERIES(DS2000A), "MSO2302A", {1, 1000000000}, 2, true}, | |
224 | {SERIES(DSO1000), "DSO1002A", {5, 1000000000}, 2, false}, | |
225 | {SERIES(DSO1000), "DSO1004A", {5, 1000000000}, 4, false}, | |
226 | {SERIES(DSO1000), "DSO1012A", {2, 1000000000}, 2, false}, | |
227 | {SERIES(DSO1000), "DSO1014A", {2, 1000000000}, 4, false}, | |
228 | {SERIES(DSO1000), "DSO1022A", {2, 1000000000}, 2, false}, | |
229 | {SERIES(DSO1000), "DSO1024A", {2, 1000000000}, 4, false}, | |
230 | {SERIES(DS1000Z), "DS1054Z", {5, 1000000000}, 4, false}, | |
231 | {SERIES(DS1000Z), "DS1074Z", {5, 1000000000}, 4, false}, | |
232 | {SERIES(DS1000Z), "DS1104Z", {5, 1000000000}, 4, false}, | |
233 | {SERIES(DS1000Z), "DS1074Z-S", {5, 1000000000}, 4, false}, | |
234 | {SERIES(DS1000Z), "DS1104Z-S", {5, 1000000000}, 4, false}, | |
235 | {SERIES(DS1000Z), "DS1074Z Plus", {5, 1000000000}, 4, false}, | |
236 | {SERIES(DS1000Z), "DS1104Z Plus", {5, 1000000000}, 4, false}, | |
237 | {SERIES(DS1000Z), "MSO1074Z", {5, 1000000000}, 4, true}, | |
238 | {SERIES(DS1000Z), "MSO1104Z", {5, 1000000000}, 4, true}, | |
239 | {SERIES(DS1000Z), "MSO1074Z-S", {5, 1000000000}, 4, true}, | |
240 | {SERIES(DS1000Z), "MSO1104Z-S", {5, 1000000000}, 4, true}, | |
241 | }; | |
242 | ||
243 | static struct sr_dev_driver rigol_ds_driver_info; | |
244 | ||
245 | static void clear_helper(struct dev_context *devc) | |
246 | { | |
247 | unsigned int i; | |
248 | ||
249 | g_free(devc->data); | |
250 | g_free(devc->buffer); | |
251 | for (i = 0; i < ARRAY_SIZE(devc->coupling); i++) | |
252 | g_free(devc->coupling[i]); | |
253 | g_free(devc->trigger_source); | |
254 | g_free(devc->trigger_slope); | |
255 | g_free(devc->analog_groups); | |
256 | } | |
257 | ||
258 | static int dev_clear(const struct sr_dev_driver *di) | |
259 | { | |
260 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); | |
261 | } | |
262 | ||
263 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) | |
264 | { | |
265 | struct dev_context *devc; | |
266 | struct sr_dev_inst *sdi; | |
267 | struct sr_scpi_hw_info *hw_info; | |
268 | struct sr_channel *ch; | |
269 | long n[3]; | |
270 | unsigned int i; | |
271 | const struct rigol_ds_model *model = NULL; | |
272 | gchar *channel_name, **version; | |
273 | ||
274 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
275 | sr_info("Couldn't get IDN response, retrying."); | |
276 | sr_scpi_close(scpi); | |
277 | sr_scpi_open(scpi); | |
278 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
279 | sr_info("Couldn't get IDN response."); | |
280 | return NULL; | |
281 | } | |
282 | } | |
283 | ||
284 | for (i = 0; i < ARRAY_SIZE(supported_models); i++) { | |
285 | if (!g_ascii_strcasecmp(hw_info->manufacturer, | |
286 | supported_models[i].series->vendor->full_name) && | |
287 | !strcmp(hw_info->model, supported_models[i].name)) { | |
288 | model = &supported_models[i]; | |
289 | break; | |
290 | } | |
291 | } | |
292 | ||
293 | if (!model) { | |
294 | sr_scpi_hw_info_free(hw_info); | |
295 | return NULL; | |
296 | } | |
297 | ||
298 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
299 | sdi->vendor = g_strdup(model->series->vendor->name); | |
300 | sdi->model = g_strdup(model->name); | |
301 | sdi->version = g_strdup(hw_info->firmware_version); | |
302 | sdi->conn = scpi; | |
303 | sdi->driver = &rigol_ds_driver_info; | |
304 | sdi->inst_type = SR_INST_SCPI; | |
305 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
306 | devc = g_malloc0(sizeof(struct dev_context)); | |
307 | devc->limit_frames = 0; | |
308 | devc->model = model; | |
309 | devc->format = model->series->format; | |
310 | ||
311 | /* DS1000 models with firmware before 0.2.4 used the old data format. */ | |
312 | if (model->series == SERIES(DS1000)) { | |
313 | version = g_strsplit(hw_info->firmware_version, ".", 0); | |
314 | do { | |
315 | if (!version[0] || !version[1] || !version[2]) | |
316 | break; | |
317 | if (version[0][0] == 0 || version[1][0] == 0 || version[2][0] == 0) | |
318 | break; | |
319 | for (i = 0; i < 3; i++) { | |
320 | if (sr_atol(version[i], &n[i]) != SR_OK) | |
321 | break; | |
322 | } | |
323 | if (i != 3) | |
324 | break; | |
325 | scpi->firmware_version = n[0] * 100 + n[1] * 10 + n[2]; | |
326 | if (scpi->firmware_version < 24) { | |
327 | sr_dbg("Found DS1000 firmware < 0.2.4, using raw data format."); | |
328 | devc->format = FORMAT_RAW; | |
329 | } | |
330 | break; | |
331 | } while (0); | |
332 | g_strfreev(version); | |
333 | } | |
334 | ||
335 | sr_scpi_hw_info_free(hw_info); | |
336 | ||
337 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * | |
338 | model->analog_channels); | |
339 | ||
340 | for (i = 0; i < model->analog_channels; i++) { | |
341 | channel_name = g_strdup_printf("CH%d", i + 1); | |
342 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_name); | |
343 | ||
344 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); | |
345 | ||
346 | devc->analog_groups[i]->name = channel_name; | |
347 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); | |
348 | sdi->channel_groups = g_slist_append(sdi->channel_groups, | |
349 | devc->analog_groups[i]); | |
350 | } | |
351 | ||
352 | if (devc->model->has_digital) { | |
353 | devc->digital_group = g_malloc0(sizeof(struct sr_channel_group)); | |
354 | ||
355 | for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) { | |
356 | channel_name = g_strdup_printf("D%d", i); | |
357 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name); | |
358 | g_free(channel_name); | |
359 | devc->digital_group->channels = g_slist_append( | |
360 | devc->digital_group->channels, ch); | |
361 | } | |
362 | devc->digital_group->name = g_strdup("LA"); | |
363 | sdi->channel_groups = g_slist_append(sdi->channel_groups, | |
364 | devc->digital_group); | |
365 | } | |
366 | ||
367 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
368 | if (!memcmp(&devc->model->min_timebase, &timebases[i], sizeof(uint64_t[2]))) | |
369 | devc->timebases = &timebases[i]; | |
370 | if (!memcmp(&devc->model->series->max_timebase, &timebases[i], sizeof(uint64_t[2]))) | |
371 | devc->num_timebases = &timebases[i] - devc->timebases + 1; | |
372 | } | |
373 | ||
374 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
375 | if (!memcmp(&devc->model->series->min_vdiv, | |
376 | &vdivs[i], sizeof(uint64_t[2]))) { | |
377 | devc->vdivs = &vdivs[i]; | |
378 | devc->num_vdivs = ARRAY_SIZE(vdivs) - i; | |
379 | } | |
380 | } | |
381 | ||
382 | devc->buffer = g_malloc(ACQ_BUFFER_SIZE); | |
383 | devc->data = g_malloc(ACQ_BUFFER_SIZE * sizeof(float)); | |
384 | ||
385 | devc->data_source = DATA_SOURCE_LIVE; | |
386 | ||
387 | sdi->priv = devc; | |
388 | ||
389 | return sdi; | |
390 | } | |
391 | ||
392 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
393 | { | |
394 | return sr_scpi_scan(di->context, options, probe_device); | |
395 | } | |
396 | ||
397 | static int dev_open(struct sr_dev_inst *sdi) | |
398 | { | |
399 | int ret; | |
400 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
401 | ||
402 | if ((ret = sr_scpi_open(scpi)) < 0) { | |
403 | sr_err("Failed to open SCPI device: %s.", sr_strerror(ret)); | |
404 | return SR_ERR; | |
405 | } | |
406 | ||
407 | if ((ret = rigol_ds_get_dev_cfg(sdi)) < 0) { | |
408 | sr_err("Failed to get device config: %s.", sr_strerror(ret)); | |
409 | return SR_ERR; | |
410 | } | |
411 | ||
412 | return SR_OK; | |
413 | } | |
414 | ||
415 | static int dev_close(struct sr_dev_inst *sdi) | |
416 | { | |
417 | struct sr_scpi_dev_inst *scpi; | |
418 | struct dev_context *devc; | |
419 | ||
420 | scpi = sdi->conn; | |
421 | devc = sdi->priv; | |
422 | ||
423 | if (!scpi) | |
424 | return SR_ERR_BUG; | |
425 | ||
426 | if (devc->model->series->protocol == PROTOCOL_V2) | |
427 | rigol_ds_config_set(sdi, ":KEY:LOCK DISABLE"); | |
428 | ||
429 | return sr_scpi_close(scpi); | |
430 | } | |
431 | ||
432 | static int analog_frame_size(const struct sr_dev_inst *sdi) | |
433 | { | |
434 | struct dev_context *devc = sdi->priv; | |
435 | struct sr_channel *ch; | |
436 | int analog_channels = 0; | |
437 | GSList *l; | |
438 | ||
439 | for (l = sdi->channels; l; l = l->next) { | |
440 | ch = l->data; | |
441 | if (ch->type == SR_CHANNEL_ANALOG && ch->enabled) | |
442 | analog_channels++; | |
443 | } | |
444 | ||
445 | if (analog_channels == 0) | |
446 | return 0; | |
447 | ||
448 | switch (devc->data_source) { | |
449 | case DATA_SOURCE_LIVE: | |
450 | return devc->model->series->live_samples; | |
451 | case DATA_SOURCE_MEMORY: | |
452 | return devc->model->series->buffer_samples / analog_channels; | |
453 | default: | |
454 | return 0; | |
455 | } | |
456 | } | |
457 | ||
458 | static int digital_frame_size(const struct sr_dev_inst *sdi) | |
459 | { | |
460 | struct dev_context *devc = sdi->priv; | |
461 | ||
462 | switch (devc->data_source) { | |
463 | case DATA_SOURCE_LIVE: | |
464 | return devc->model->series->live_samples * 2; | |
465 | case DATA_SOURCE_MEMORY: | |
466 | return devc->model->series->buffer_samples * 2; | |
467 | default: | |
468 | return 0; | |
469 | } | |
470 | } | |
471 | ||
472 | static int config_get(uint32_t key, GVariant **data, | |
473 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
474 | { | |
475 | struct dev_context *devc; | |
476 | struct sr_channel *ch; | |
477 | const char *tmp_str; | |
478 | uint64_t samplerate; | |
479 | int analog_channel = -1; | |
480 | float smallest_diff = INFINITY; | |
481 | int idx = -1; | |
482 | unsigned i; | |
483 | ||
484 | if (!sdi) | |
485 | return SR_ERR_ARG; | |
486 | ||
487 | devc = sdi->priv; | |
488 | ||
489 | /* If a channel group is specified, it must be a valid one. */ | |
490 | if (cg && !g_slist_find(sdi->channel_groups, cg)) { | |
491 | sr_err("Invalid channel group specified."); | |
492 | return SR_ERR; | |
493 | } | |
494 | ||
495 | if (cg) { | |
496 | ch = g_slist_nth_data(cg->channels, 0); | |
497 | if (!ch) | |
498 | return SR_ERR; | |
499 | if (ch->type == SR_CHANNEL_ANALOG) { | |
500 | if (ch->name[2] < '1' || ch->name[2] > '4') | |
501 | return SR_ERR; | |
502 | analog_channel = ch->name[2] - '1'; | |
503 | } | |
504 | } | |
505 | ||
506 | switch (key) { | |
507 | case SR_CONF_NUM_HDIV: | |
508 | *data = g_variant_new_int32(devc->model->series->num_horizontal_divs); | |
509 | break; | |
510 | case SR_CONF_NUM_VDIV: | |
511 | *data = g_variant_new_int32(devc->num_vdivs); | |
512 | break; | |
513 | case SR_CONF_DATA_SOURCE: | |
514 | if (devc->data_source == DATA_SOURCE_LIVE) | |
515 | *data = g_variant_new_string("Live"); | |
516 | else if (devc->data_source == DATA_SOURCE_MEMORY) | |
517 | *data = g_variant_new_string("Memory"); | |
518 | else | |
519 | *data = g_variant_new_string("Segmented"); | |
520 | break; | |
521 | case SR_CONF_SAMPLERATE: | |
522 | if (devc->data_source == DATA_SOURCE_LIVE) { | |
523 | samplerate = analog_frame_size(sdi) / | |
524 | (devc->timebase * devc->model->series->num_horizontal_divs); | |
525 | *data = g_variant_new_uint64(samplerate); | |
526 | } else { | |
527 | sr_dbg("Unknown data source: %d.", devc->data_source); | |
528 | return SR_ERR_NA; | |
529 | } | |
530 | break; | |
531 | case SR_CONF_TRIGGER_SOURCE: | |
532 | if (!strcmp(devc->trigger_source, "ACL")) | |
533 | tmp_str = "AC Line"; | |
534 | else if (!strcmp(devc->trigger_source, "CHAN1")) | |
535 | tmp_str = "CH1"; | |
536 | else if (!strcmp(devc->trigger_source, "CHAN2")) | |
537 | tmp_str = "CH2"; | |
538 | else if (!strcmp(devc->trigger_source, "CHAN3")) | |
539 | tmp_str = "CH3"; | |
540 | else if (!strcmp(devc->trigger_source, "CHAN4")) | |
541 | tmp_str = "CH4"; | |
542 | else | |
543 | tmp_str = devc->trigger_source; | |
544 | *data = g_variant_new_string(tmp_str); | |
545 | break; | |
546 | case SR_CONF_TRIGGER_SLOPE: | |
547 | if (!strncmp(devc->trigger_slope, "POS", 3)) { | |
548 | tmp_str = "r"; | |
549 | } else if (!strncmp(devc->trigger_slope, "NEG", 3)) { | |
550 | tmp_str = "f"; | |
551 | } else { | |
552 | sr_dbg("Unknown trigger slope: '%s'.", devc->trigger_slope); | |
553 | return SR_ERR_NA; | |
554 | } | |
555 | *data = g_variant_new_string(tmp_str); | |
556 | break; | |
557 | case SR_CONF_TRIGGER_LEVEL: | |
558 | *data = g_variant_new_double(devc->trigger_level); | |
559 | break; | |
560 | case SR_CONF_TIMEBASE: | |
561 | for (i = 0; i < devc->num_timebases; i++) { | |
562 | float tb = (float)devc->timebases[i][0] / devc->timebases[i][1]; | |
563 | float diff = fabs(devc->timebase - tb); | |
564 | if (diff < smallest_diff) { | |
565 | smallest_diff = diff; | |
566 | idx = i; | |
567 | } | |
568 | } | |
569 | if (idx < 0) { | |
570 | sr_dbg("Negative timebase index: %d.", idx); | |
571 | return SR_ERR_NA; | |
572 | } | |
573 | *data = g_variant_new("(tt)", devc->timebases[idx][0], | |
574 | devc->timebases[idx][1]); | |
575 | break; | |
576 | case SR_CONF_VDIV: | |
577 | if (analog_channel < 0) { | |
578 | sr_dbg("Negative analog channel: %d.", analog_channel); | |
579 | return SR_ERR_NA; | |
580 | } | |
581 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
582 | float vdiv = (float)vdivs[i][0] / vdivs[i][1]; | |
583 | float diff = fabs(devc->vdiv[analog_channel] - vdiv); | |
584 | if (diff < smallest_diff) { | |
585 | smallest_diff = diff; | |
586 | idx = i; | |
587 | } | |
588 | } | |
589 | if (idx < 0) { | |
590 | sr_dbg("Negative vdiv index: %d.", idx); | |
591 | return SR_ERR_NA; | |
592 | } | |
593 | *data = g_variant_new("(tt)", vdivs[idx][0], vdivs[idx][1]); | |
594 | break; | |
595 | case SR_CONF_COUPLING: | |
596 | if (analog_channel < 0) { | |
597 | sr_dbg("Negative analog channel: %d.", analog_channel); | |
598 | return SR_ERR_NA; | |
599 | } | |
600 | *data = g_variant_new_string(devc->coupling[analog_channel]); | |
601 | break; | |
602 | case SR_CONF_PROBE_FACTOR: | |
603 | if (analog_channel < 0) { | |
604 | sr_dbg("Negative analog channel: %d.", analog_channel); | |
605 | return SR_ERR_NA; | |
606 | } | |
607 | *data = g_variant_new_uint64(devc->attenuation[analog_channel]); | |
608 | break; | |
609 | default: | |
610 | return SR_ERR_NA; | |
611 | } | |
612 | ||
613 | return SR_OK; | |
614 | } | |
615 | ||
616 | static int config_set(uint32_t key, GVariant *data, | |
617 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
618 | { | |
619 | struct dev_context *devc; | |
620 | uint64_t p; | |
621 | double t_dbl; | |
622 | int ret, idx, i; | |
623 | const char *tmp_str; | |
624 | char buffer[16]; | |
625 | ||
626 | devc = sdi->priv; | |
627 | ||
628 | /* If a channel group is specified, it must be a valid one. */ | |
629 | if (cg && !g_slist_find(sdi->channel_groups, cg)) { | |
630 | sr_err("Invalid channel group specified."); | |
631 | return SR_ERR; | |
632 | } | |
633 | ||
634 | switch (key) { | |
635 | case SR_CONF_LIMIT_FRAMES: | |
636 | devc->limit_frames = g_variant_get_uint64(data); | |
637 | break; | |
638 | case SR_CONF_TRIGGER_SLOPE: | |
639 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(trigger_slopes))) < 0) | |
640 | return SR_ERR_ARG; | |
641 | g_free(devc->trigger_slope); | |
642 | devc->trigger_slope = g_strdup((trigger_slopes[idx][0] == 'r') ? "POS" : "NEG"); | |
643 | return rigol_ds_config_set(sdi, ":TRIG:EDGE:SLOP %s", devc->trigger_slope); | |
644 | case SR_CONF_HORIZ_TRIGGERPOS: | |
645 | t_dbl = g_variant_get_double(data); | |
646 | if (t_dbl < 0.0 || t_dbl > 1.0) { | |
647 | sr_err("Invalid horiz. trigger position: %g.", t_dbl); | |
648 | return SR_ERR; | |
649 | } | |
650 | devc->horiz_triggerpos = t_dbl; | |
651 | /* We have the trigger offset as a percentage of the frame, but | |
652 | * need to express this in seconds. */ | |
653 | t_dbl = -(devc->horiz_triggerpos - 0.5) * devc->timebase * devc->num_timebases; | |
654 | g_ascii_formatd(buffer, sizeof(buffer), "%.6f", t_dbl); | |
655 | return rigol_ds_config_set(sdi, ":TIM:OFFS %s", buffer); | |
656 | case SR_CONF_TRIGGER_LEVEL: | |
657 | t_dbl = g_variant_get_double(data); | |
658 | g_ascii_formatd(buffer, sizeof(buffer), "%.3f", t_dbl); | |
659 | ret = rigol_ds_config_set(sdi, ":TRIG:EDGE:LEV %s", buffer); | |
660 | if (ret == SR_OK) | |
661 | devc->trigger_level = t_dbl; | |
662 | return ret; | |
663 | case SR_CONF_TIMEBASE: | |
664 | if ((idx = std_u64_tuple_idx(data, devc->timebases, devc->num_timebases)) < 0) | |
665 | return SR_ERR_ARG; | |
666 | devc->timebase = (float)devc->timebases[idx][0] / devc->timebases[idx][1]; | |
667 | g_ascii_formatd(buffer, sizeof(buffer), "%.9f", | |
668 | devc->timebase); | |
669 | return rigol_ds_config_set(sdi, ":TIM:SCAL %s", buffer); | |
670 | case SR_CONF_TRIGGER_SOURCE: | |
671 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(trigger_sources))) < 0) | |
672 | return SR_ERR_ARG; | |
673 | g_free(devc->trigger_source); | |
674 | devc->trigger_source = g_strdup(trigger_sources[idx]); | |
675 | if (!strcmp(devc->trigger_source, "AC Line")) | |
676 | tmp_str = "ACL"; | |
677 | else if (!strcmp(devc->trigger_source, "CH1")) | |
678 | tmp_str = "CHAN1"; | |
679 | else if (!strcmp(devc->trigger_source, "CH2")) | |
680 | tmp_str = "CHAN2"; | |
681 | else if (!strcmp(devc->trigger_source, "CH3")) | |
682 | tmp_str = "CHAN3"; | |
683 | else if (!strcmp(devc->trigger_source, "CH4")) | |
684 | tmp_str = "CHAN4"; | |
685 | else | |
686 | tmp_str = (char *)devc->trigger_source; | |
687 | return rigol_ds_config_set(sdi, ":TRIG:EDGE:SOUR %s", tmp_str); | |
688 | case SR_CONF_VDIV: | |
689 | if (!cg) | |
690 | return SR_ERR_CHANNEL_GROUP; | |
691 | if ((i = std_cg_idx(cg, devc->analog_groups, devc->model->analog_channels)) < 0) | |
692 | return SR_ERR_ARG; | |
693 | if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(vdivs))) < 0) | |
694 | return SR_ERR_ARG; | |
695 | devc->vdiv[i] = (float)vdivs[idx][0] / vdivs[idx][1]; | |
696 | g_ascii_formatd(buffer, sizeof(buffer), "%.3f", devc->vdiv[i]); | |
697 | return rigol_ds_config_set(sdi, ":CHAN%d:SCAL %s", i + 1, buffer); | |
698 | case SR_CONF_COUPLING: | |
699 | if (!cg) | |
700 | return SR_ERR_CHANNEL_GROUP; | |
701 | if ((i = std_cg_idx(cg, devc->analog_groups, devc->model->analog_channels)) < 0) | |
702 | return SR_ERR_ARG; | |
703 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(coupling))) < 0) | |
704 | return SR_ERR_ARG; | |
705 | g_free(devc->coupling[i]); | |
706 | devc->coupling[i] = g_strdup(coupling[idx]); | |
707 | return rigol_ds_config_set(sdi, ":CHAN%d:COUP %s", i + 1, devc->coupling[i]); | |
708 | case SR_CONF_PROBE_FACTOR: | |
709 | if (!cg) | |
710 | return SR_ERR_CHANNEL_GROUP; | |
711 | if ((i = std_cg_idx(cg, devc->analog_groups, devc->model->analog_channels)) < 0) | |
712 | return SR_ERR_ARG; | |
713 | if ((idx = std_u64_idx(data, ARRAY_AND_SIZE(probe_factor))) < 0) | |
714 | return SR_ERR_ARG; | |
715 | p = g_variant_get_uint64(data); | |
716 | devc->attenuation[i] = probe_factor[idx]; | |
717 | ret = rigol_ds_config_set(sdi, ":CHAN%d:PROB %"PRIu64, i + 1, p); | |
718 | if (ret == SR_OK) | |
719 | rigol_ds_get_dev_cfg_vertical(sdi); | |
720 | return ret; | |
721 | case SR_CONF_DATA_SOURCE: | |
722 | tmp_str = g_variant_get_string(data, NULL); | |
723 | if (!strcmp(tmp_str, "Live")) | |
724 | devc->data_source = DATA_SOURCE_LIVE; | |
725 | else if (devc->model->series->protocol >= PROTOCOL_V2 | |
726 | && !strcmp(tmp_str, "Memory")) | |
727 | devc->data_source = DATA_SOURCE_MEMORY; | |
728 | else if (devc->model->series->protocol >= PROTOCOL_V3 | |
729 | && !strcmp(tmp_str, "Segmented")) | |
730 | devc->data_source = DATA_SOURCE_SEGMENTED; | |
731 | else { | |
732 | sr_err("Unknown data source: '%s'.", tmp_str); | |
733 | return SR_ERR; | |
734 | } | |
735 | break; | |
736 | default: | |
737 | return SR_ERR_NA; | |
738 | } | |
739 | ||
740 | return SR_OK; | |
741 | } | |
742 | ||
743 | static int config_list(uint32_t key, GVariant **data, | |
744 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
745 | { | |
746 | struct dev_context *devc; | |
747 | ||
748 | devc = (sdi) ? sdi->priv : NULL; | |
749 | ||
750 | switch (key) { | |
751 | case SR_CONF_SCAN_OPTIONS: | |
752 | case SR_CONF_DEVICE_OPTIONS: | |
753 | if (!cg) | |
754 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); | |
755 | if (cg == devc->digital_group) { | |
756 | *data = std_gvar_array_u32(NULL, 0); | |
757 | return SR_OK; | |
758 | } else { | |
759 | if (std_cg_idx(cg, devc->analog_groups, devc->model->analog_channels) < 0) | |
760 | return SR_ERR_ARG; | |
761 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog)); | |
762 | return SR_OK; | |
763 | } | |
764 | break; | |
765 | case SR_CONF_COUPLING: | |
766 | if (!cg) | |
767 | return SR_ERR_CHANNEL_GROUP; | |
768 | *data = g_variant_new_strv(ARRAY_AND_SIZE(coupling)); | |
769 | break; | |
770 | case SR_CONF_PROBE_FACTOR: | |
771 | if (!cg) | |
772 | return SR_ERR_CHANNEL_GROUP; | |
773 | *data = std_gvar_array_u64(ARRAY_AND_SIZE(probe_factor)); | |
774 | break; | |
775 | case SR_CONF_VDIV: | |
776 | if (!devc) | |
777 | /* Can't know this until we have the exact model. */ | |
778 | return SR_ERR_ARG; | |
779 | if (!cg) | |
780 | return SR_ERR_CHANNEL_GROUP; | |
781 | *data = std_gvar_tuple_array(devc->vdivs, devc->num_vdivs); | |
782 | break; | |
783 | case SR_CONF_TIMEBASE: | |
784 | if (!devc) | |
785 | /* Can't know this until we have the exact model. */ | |
786 | return SR_ERR_ARG; | |
787 | if (devc->num_timebases <= 0) | |
788 | return SR_ERR_NA; | |
789 | *data = std_gvar_tuple_array(devc->timebases, devc->num_timebases); | |
790 | break; | |
791 | case SR_CONF_TRIGGER_SOURCE: | |
792 | if (!devc) | |
793 | /* Can't know this until we have the exact model. */ | |
794 | return SR_ERR_ARG; | |
795 | *data = g_variant_new_strv(trigger_sources, | |
796 | devc->model->has_digital ? ARRAY_SIZE(trigger_sources) : 4); | |
797 | break; | |
798 | case SR_CONF_TRIGGER_SLOPE: | |
799 | *data = g_variant_new_strv(ARRAY_AND_SIZE(trigger_slopes)); | |
800 | break; | |
801 | case SR_CONF_DATA_SOURCE: | |
802 | if (!devc) | |
803 | /* Can't know this until we have the exact model. */ | |
804 | return SR_ERR_ARG; | |
805 | switch (devc->model->series->protocol) { | |
806 | case PROTOCOL_V1: | |
807 | *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources) - 2); | |
808 | break; | |
809 | case PROTOCOL_V2: | |
810 | *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources) - 1); | |
811 | break; | |
812 | default: | |
813 | *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources)); | |
814 | break; | |
815 | } | |
816 | break; | |
817 | default: | |
818 | return SR_ERR_NA; | |
819 | } | |
820 | ||
821 | return SR_OK; | |
822 | } | |
823 | ||
824 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
825 | { | |
826 | struct sr_scpi_dev_inst *scpi; | |
827 | struct dev_context *devc; | |
828 | struct sr_channel *ch; | |
829 | struct sr_datafeed_packet packet; | |
830 | gboolean some_digital; | |
831 | GSList *l; | |
832 | ||
833 | scpi = sdi->conn; | |
834 | devc = sdi->priv; | |
835 | ||
836 | devc->num_frames = 0; | |
837 | ||
838 | some_digital = FALSE; | |
839 | for (l = sdi->channels; l; l = l->next) { | |
840 | ch = l->data; | |
841 | sr_dbg("handling channel %s", ch->name); | |
842 | if (ch->type == SR_CHANNEL_ANALOG) { | |
843 | if (ch->enabled) | |
844 | devc->enabled_channels = g_slist_append( | |
845 | devc->enabled_channels, ch); | |
846 | if (ch->enabled != devc->analog_channels[ch->index]) { | |
847 | /* Enabled channel is currently disabled, or vice versa. */ | |
848 | if (rigol_ds_config_set(sdi, ":CHAN%d:DISP %s", ch->index + 1, | |
849 | ch->enabled ? "ON" : "OFF") != SR_OK) | |
850 | return SR_ERR; | |
851 | devc->analog_channels[ch->index] = ch->enabled; | |
852 | } | |
853 | } else if (ch->type == SR_CHANNEL_LOGIC) { | |
854 | /* Only one list entry for older protocols. All channels are | |
855 | * retrieved together when this entry is processed. */ | |
856 | if (ch->enabled && ( | |
857 | devc->model->series->protocol > PROTOCOL_V3 || | |
858 | !some_digital)) | |
859 | devc->enabled_channels = g_slist_append( | |
860 | devc->enabled_channels, ch); | |
861 | if (ch->enabled) { | |
862 | some_digital = TRUE; | |
863 | /* Turn on LA module if currently off. */ | |
864 | if (!devc->la_enabled) { | |
865 | if (rigol_ds_config_set(sdi, | |
866 | devc->model->series->protocol >= PROTOCOL_V3 ? | |
867 | ":LA:STAT ON" : ":LA:DISP ON") != SR_OK) | |
868 | return SR_ERR; | |
869 | devc->la_enabled = TRUE; | |
870 | } | |
871 | } | |
872 | if (ch->enabled != devc->digital_channels[ch->index]) { | |
873 | /* Enabled channel is currently disabled, or vice versa. */ | |
874 | if (rigol_ds_config_set(sdi, | |
875 | devc->model->series->protocol >= PROTOCOL_V3 ? | |
876 | ":LA:DIG%d:DISP %s" : ":DIG%d:TURN %s", ch->index, | |
877 | ch->enabled ? "ON" : "OFF") != SR_OK) | |
878 | return SR_ERR; | |
879 | devc->digital_channels[ch->index] = ch->enabled; | |
880 | } | |
881 | } | |
882 | } | |
883 | ||
884 | if (!devc->enabled_channels) | |
885 | return SR_ERR; | |
886 | ||
887 | /* Turn off LA module if on and no digital channels selected. */ | |
888 | if (devc->la_enabled && !some_digital) | |
889 | if (rigol_ds_config_set(sdi, | |
890 | devc->model->series->protocol >= PROTOCOL_V3 ? | |
891 | ":LA:STAT OFF" : ":LA:DISP OFF") != SR_OK) | |
892 | return SR_ERR; | |
893 | ||
894 | /* Set memory mode. */ | |
895 | if (devc->data_source == DATA_SOURCE_SEGMENTED) { | |
896 | sr_err("Data source 'Segmented' not yet supported"); | |
897 | return SR_ERR; | |
898 | } | |
899 | ||
900 | devc->analog_frame_size = analog_frame_size(sdi); | |
901 | devc->digital_frame_size = digital_frame_size(sdi); | |
902 | ||
903 | switch (devc->model->series->protocol) { | |
904 | case PROTOCOL_V2: | |
905 | if (rigol_ds_config_set(sdi, ":ACQ:MEMD LONG") != SR_OK) | |
906 | return SR_ERR; | |
907 | break; | |
908 | case PROTOCOL_V3: | |
909 | /* Apparently for the DS2000 the memory | |
910 | * depth can only be set in Running state - | |
911 | * this matches the behaviour of the UI. */ | |
912 | if (rigol_ds_config_set(sdi, ":RUN") != SR_OK) | |
913 | return SR_ERR; | |
914 | if (rigol_ds_config_set(sdi, ":ACQ:MDEP %d", | |
915 | devc->analog_frame_size) != SR_OK) | |
916 | return SR_ERR; | |
917 | if (rigol_ds_config_set(sdi, ":STOP") != SR_OK) | |
918 | return SR_ERR; | |
919 | break; | |
920 | default: | |
921 | break; | |
922 | } | |
923 | ||
924 | if (devc->data_source == DATA_SOURCE_LIVE) | |
925 | if (rigol_ds_config_set(sdi, ":RUN") != SR_OK) | |
926 | return SR_ERR; | |
927 | ||
928 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, | |
929 | rigol_ds_receive, (void *)sdi); | |
930 | ||
931 | std_session_send_df_header(sdi); | |
932 | ||
933 | devc->channel_entry = devc->enabled_channels; | |
934 | ||
935 | if (rigol_ds_capture_start(sdi) != SR_OK) | |
936 | return SR_ERR; | |
937 | ||
938 | /* Start of first frame. */ | |
939 | packet.type = SR_DF_FRAME_BEGIN; | |
940 | sr_session_send(sdi, &packet); | |
941 | ||
942 | return SR_OK; | |
943 | } | |
944 | ||
945 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
946 | { | |
947 | struct dev_context *devc; | |
948 | struct sr_scpi_dev_inst *scpi; | |
949 | ||
950 | devc = sdi->priv; | |
951 | ||
952 | std_session_send_df_end(sdi); | |
953 | ||
954 | g_slist_free(devc->enabled_channels); | |
955 | devc->enabled_channels = NULL; | |
956 | scpi = sdi->conn; | |
957 | sr_scpi_source_remove(sdi->session, scpi); | |
958 | ||
959 | return SR_OK; | |
960 | } | |
961 | ||
962 | static struct sr_dev_driver rigol_ds_driver_info = { | |
963 | .name = "rigol-ds", | |
964 | .longname = "Rigol DS", | |
965 | .api_version = 1, | |
966 | .init = std_init, | |
967 | .cleanup = std_cleanup, | |
968 | .scan = scan, | |
969 | .dev_list = std_dev_list, | |
970 | .dev_clear = dev_clear, | |
971 | .config_get = config_get, | |
972 | .config_set = config_set, | |
973 | .config_list = config_list, | |
974 | .dev_open = dev_open, | |
975 | .dev_close = dev_close, | |
976 | .dev_acquisition_start = dev_acquisition_start, | |
977 | .dev_acquisition_stop = dev_acquisition_stop, | |
978 | .context = NULL, | |
979 | }; | |
980 | SR_REGISTER_DEV_DRIVER(rigol_ds_driver_info); |