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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> |
650847e7 UH |
21 | #include <math.h> |
22 | #include <stdlib.h> | |
5a1afc09 | 23 | #include "scpi.h" |
06a3e78a DJ |
24 | #include "protocol.h" |
25 | ||
13f2b9d7 | 26 | static const char *hameg_scpi_dialect[] = { |
401b83a1 | 27 | [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;:POD%d:DATA?", |
13f2b9d7 | 28 | [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?", |
965b463d | 29 | [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s", |
13f2b9d7 DJ |
30 | [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?", |
31 | [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s", | |
14a2f74d DJ |
32 | [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?", |
33 | [SCPI_CMD_GET_SAMPLE_RATE_LIVE] = ":%s:DATA:POINTS?", | |
401b83a1 | 34 | [SCPI_CMD_GET_ANALOG_DATA] = ":FORM REAL,32;:CHAN%d:DATA?", |
13f2b9d7 | 35 | [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?", |
965b463d | 36 | [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %s", |
13f2b9d7 DJ |
37 | [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?", |
38 | [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d", | |
39 | [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?", | |
40 | [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP %s", | |
41 | [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?", | |
42 | [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s", | |
43 | [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?", | |
44 | [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d", | |
45 | [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?", | |
46 | [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?", | |
422a1c0d | 47 | [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s", |
13f2b9d7 DJ |
48 | [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?", |
49 | [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d", | |
448e81b1 | 50 | [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?", |
13f2b9d7 DJ |
51 | }; |
52 | ||
f254bc4b | 53 | static const uint32_t hmo_devopts[] = { |
13f2b9d7 | 54 | SR_CONF_OSCILLOSCOPE, |
a1b61e6e | 55 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET, |
5827f61b BV |
56 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
57 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
bf622e6d | 58 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
5827f61b BV |
59 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
60 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, | |
61 | SR_CONF_SAMPLERATE | SR_CONF_GET, | |
13f2b9d7 DJ |
62 | }; |
63 | ||
f254bc4b | 64 | static const uint32_t hmo_analog_devopts[] = { |
5827f61b BV |
65 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
66 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
67 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
13f2b9d7 DJ |
68 | }; |
69 | ||
70 | static const char *hmo_coupling_options[] = { | |
b05ab7d2 SB |
71 | "AC", // AC with 50 Ohm termination (152x, 202x, 30xx, 1202) |
72 | "ACL", // AC with 1 MOhm termination | |
73 | "DC", // DC with 50 Ohm termination | |
74 | "DCL", // DC with 1 MOhm termination | |
13f2b9d7 DJ |
75 | "GND", |
76 | NULL, | |
77 | }; | |
78 | ||
79 | static const char *scope_trigger_slopes[] = { | |
80 | "POS", | |
81 | "NEG", | |
356f64f8 | 82 | "EITH", |
13f2b9d7 DJ |
83 | NULL, |
84 | }; | |
85 | ||
86 | static const char *hmo_compact2_trigger_sources[] = { | |
87 | "CH1", | |
88 | "CH2", | |
89 | "LINE", | |
90 | "EXT", | |
510aa828 SB |
91 | "PATT", |
92 | "BUS1", | |
93 | "BUS2", | |
13f2b9d7 DJ |
94 | "D0", |
95 | "D1", | |
96 | "D2", | |
97 | "D3", | |
98 | "D4", | |
99 | "D5", | |
100 | "D6", | |
101 | "D7", | |
102 | NULL, | |
103 | }; | |
104 | ||
105 | static const char *hmo_compact4_trigger_sources[] = { | |
106 | "CH1", | |
107 | "CH2", | |
108 | "CH3", | |
109 | "CH4", | |
110 | "LINE", | |
111 | "EXT", | |
510aa828 SB |
112 | "PATT", |
113 | "BUS1", | |
114 | "BUS2", | |
13f2b9d7 DJ |
115 | "D0", |
116 | "D1", | |
117 | "D2", | |
118 | "D3", | |
119 | "D4", | |
120 | "D5", | |
121 | "D6", | |
122 | "D7", | |
123 | NULL, | |
124 | }; | |
125 | ||
74413faf GS |
126 | static const char *hmo_compact4_dig16_trigger_sources[] = { |
127 | "CH1", | |
128 | "CH2", | |
129 | "CH3", | |
130 | "CH4", | |
131 | "LINE", | |
132 | "EXT", | |
133 | "PATT", | |
134 | "BUS1", | |
135 | "BUS2", | |
136 | "D0", | |
137 | "D1", | |
138 | "D2", | |
139 | "D3", | |
140 | "D4", | |
141 | "D5", | |
142 | "D6", | |
143 | "D7", | |
144 | "D8", | |
145 | "D9", | |
146 | "D10", | |
147 | "D11", | |
148 | "D12", | |
149 | "D13", | |
150 | "D14", | |
151 | "D15", | |
152 | NULL, | |
153 | }; | |
154 | ||
13f2b9d7 DJ |
155 | static const uint64_t hmo_timebases[][2] = { |
156 | /* nanoseconds */ | |
157 | { 2, 1000000000 }, | |
158 | { 5, 1000000000 }, | |
159 | { 10, 1000000000 }, | |
160 | { 20, 1000000000 }, | |
161 | { 50, 1000000000 }, | |
162 | { 100, 1000000000 }, | |
163 | { 200, 1000000000 }, | |
164 | { 500, 1000000000 }, | |
165 | /* microseconds */ | |
166 | { 1, 1000000 }, | |
167 | { 2, 1000000 }, | |
168 | { 5, 1000000 }, | |
169 | { 10, 1000000 }, | |
170 | { 20, 1000000 }, | |
171 | { 50, 1000000 }, | |
172 | { 100, 1000000 }, | |
173 | { 200, 1000000 }, | |
174 | { 500, 1000000 }, | |
175 | /* milliseconds */ | |
176 | { 1, 1000 }, | |
177 | { 2, 1000 }, | |
178 | { 5, 1000 }, | |
179 | { 10, 1000 }, | |
180 | { 20, 1000 }, | |
181 | { 50, 1000 }, | |
182 | { 100, 1000 }, | |
183 | { 200, 1000 }, | |
184 | { 500, 1000 }, | |
185 | /* seconds */ | |
186 | { 1, 1 }, | |
187 | { 2, 1 }, | |
188 | { 5, 1 }, | |
189 | { 10, 1 }, | |
190 | { 20, 1 }, | |
191 | { 50, 1 }, | |
192 | }; | |
193 | ||
194 | static const uint64_t hmo_vdivs[][2] = { | |
195 | /* millivolts */ | |
196 | { 1, 1000 }, | |
197 | { 2, 1000 }, | |
198 | { 5, 1000 }, | |
199 | { 10, 1000 }, | |
200 | { 20, 1000 }, | |
201 | { 50, 1000 }, | |
202 | { 100, 1000 }, | |
203 | { 200, 1000 }, | |
204 | { 500, 1000 }, | |
205 | /* volts */ | |
206 | { 1, 1 }, | |
207 | { 2, 1 }, | |
208 | { 5, 1 }, | |
209 | { 10, 1 }, | |
fe227d17 SA |
210 | { 20, 1 }, |
211 | { 50, 1 }, | |
13f2b9d7 DJ |
212 | }; |
213 | ||
ba7dd8bb | 214 | static const char *scope_analog_channel_names[] = { |
13f2b9d7 DJ |
215 | "CH1", |
216 | "CH2", | |
217 | "CH3", | |
218 | "CH4", | |
219 | }; | |
220 | ||
ba7dd8bb | 221 | static const char *scope_digital_channel_names[] = { |
13f2b9d7 DJ |
222 | "D0", |
223 | "D1", | |
224 | "D2", | |
225 | "D3", | |
226 | "D4", | |
227 | "D5", | |
228 | "D6", | |
229 | "D7", | |
230 | "D8", | |
231 | "D9", | |
232 | "D10", | |
233 | "D11", | |
234 | "D12", | |
235 | "D13", | |
236 | "D14", | |
237 | "D15", | |
238 | }; | |
239 | ||
329733d9 | 240 | static const struct scope_config scope_models[] = { |
13f2b9d7 | 241 | { |
e786b194 | 242 | /* HMO2522/3032/3042/3052 support 16 digital channels but they're not supported yet. */ |
da1726cc | 243 | .name = {"HMO1002", "HMO722", "HMO1022", "HMO1522", "HMO2022", "HMO2522", |
e786b194 | 244 | "HMO3032", "HMO3042", "HMO3052", NULL}, |
13f2b9d7 DJ |
245 | .analog_channels = 2, |
246 | .digital_channels = 8, | |
247 | .digital_pods = 1, | |
248 | ||
ba7dd8bb UH |
249 | .analog_names = &scope_analog_channel_names, |
250 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 251 | |
f254bc4b BV |
252 | .devopts = &hmo_devopts, |
253 | .num_devopts = ARRAY_SIZE(hmo_devopts), | |
13f2b9d7 | 254 | |
f254bc4b BV |
255 | .analog_devopts = &hmo_analog_devopts, |
256 | .num_analog_devopts = ARRAY_SIZE(hmo_analog_devopts), | |
13f2b9d7 DJ |
257 | |
258 | .coupling_options = &hmo_coupling_options, | |
259 | .trigger_sources = &hmo_compact2_trigger_sources, | |
260 | .trigger_slopes = &scope_trigger_slopes, | |
261 | ||
262 | .timebases = &hmo_timebases, | |
263 | .num_timebases = ARRAY_SIZE(hmo_timebases), | |
264 | ||
265 | .vdivs = &hmo_vdivs, | |
266 | .num_vdivs = ARRAY_SIZE(hmo_vdivs), | |
267 | ||
268 | .num_xdivs = 12, | |
269 | .num_ydivs = 8, | |
270 | ||
271 | .scpi_dialect = &hameg_scpi_dialect, | |
272 | }, | |
273 | { | |
74413faf | 274 | .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL}, |
13f2b9d7 DJ |
275 | .analog_channels = 4, |
276 | .digital_channels = 8, | |
277 | .digital_pods = 1, | |
278 | ||
ba7dd8bb UH |
279 | .analog_names = &scope_analog_channel_names, |
280 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 281 | |
f254bc4b BV |
282 | .devopts = &hmo_devopts, |
283 | .num_devopts = ARRAY_SIZE(hmo_devopts), | |
13f2b9d7 | 284 | |
f254bc4b BV |
285 | .analog_devopts = &hmo_analog_devopts, |
286 | .num_analog_devopts = ARRAY_SIZE(hmo_analog_devopts), | |
13f2b9d7 DJ |
287 | |
288 | .coupling_options = &hmo_coupling_options, | |
289 | .trigger_sources = &hmo_compact4_trigger_sources, | |
290 | .trigger_slopes = &scope_trigger_slopes, | |
291 | ||
292 | .timebases = &hmo_timebases, | |
293 | .num_timebases = ARRAY_SIZE(hmo_timebases), | |
294 | ||
295 | .vdivs = &hmo_vdivs, | |
296 | .num_vdivs = ARRAY_SIZE(hmo_vdivs), | |
297 | ||
298 | .num_xdivs = 12, | |
299 | .num_ydivs = 8, | |
300 | ||
74413faf GS |
301 | .scpi_dialect = &hameg_scpi_dialect, |
302 | }, | |
303 | { | |
304 | .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", NULL}, | |
305 | .analog_channels = 4, | |
306 | .digital_channels = 16, | |
307 | .digital_pods = 2, | |
308 | ||
309 | .analog_names = &scope_analog_channel_names, | |
310 | .digital_names = &scope_digital_channel_names, | |
311 | ||
312 | .devopts = &hmo_devopts, | |
313 | .num_devopts = ARRAY_SIZE(hmo_devopts), | |
314 | ||
315 | .analog_devopts = &hmo_analog_devopts, | |
316 | .num_analog_devopts = ARRAY_SIZE(hmo_analog_devopts), | |
317 | ||
318 | .coupling_options = &hmo_coupling_options, | |
319 | .trigger_sources = &hmo_compact4_dig16_trigger_sources, | |
320 | .trigger_slopes = &scope_trigger_slopes, | |
321 | ||
322 | .timebases = &hmo_timebases, | |
323 | .num_timebases = ARRAY_SIZE(hmo_timebases), | |
324 | ||
325 | .vdivs = &hmo_vdivs, | |
326 | .num_vdivs = ARRAY_SIZE(hmo_vdivs), | |
327 | ||
328 | .num_xdivs = 12, | |
329 | .num_ydivs = 8, | |
330 | ||
13f2b9d7 DJ |
331 | .scpi_dialect = &hameg_scpi_dialect, |
332 | }, | |
333 | }; | |
334 | ||
329733d9 | 335 | static void scope_state_dump(const struct scope_config *config, |
13f2b9d7 DJ |
336 | struct scope_state *state) |
337 | { | |
338 | unsigned int i; | |
8de2dc3b | 339 | char *tmp; |
13f2b9d7 | 340 | |
0a1f7b09 | 341 | for (i = 0; i < config->analog_channels; i++) { |
8de2dc3b DJ |
342 | tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0], |
343 | (*config->vdivs)[state->analog_channels[i].vdiv][1]); | |
d9251a2c | 344 | sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)", |
8de2dc3b | 345 | i + 1, state->analog_channels[i].state ? "On" : "Off", |
13f2b9d7 | 346 | (*config->coupling_options)[state->analog_channels[i].coupling], |
8de2dc3b | 347 | tmp, state->analog_channels[i].vertical_offset); |
13f2b9d7 DJ |
348 | } |
349 | ||
0a1f7b09 | 350 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
351 | sr_info("State of digital channel %d -> %s", i, |
352 | state->digital_channels[i] ? "On" : "Off"); | |
353 | } | |
354 | ||
0a1f7b09 | 355 | for (i = 0; i < config->digital_pods; i++) { |
13f2b9d7 DJ |
356 | sr_info("State of digital POD %d -> %s", i, |
357 | state->digital_pods[i] ? "On" : "Off"); | |
358 | } | |
359 | ||
8de2dc3b DJ |
360 | tmp = sr_period_string((*config->timebases)[state->timebase][0] * |
361 | (*config->timebases)[state->timebase][1]); | |
362 | sr_info("Current timebase: %s", tmp); | |
363 | g_free(tmp); | |
364 | ||
14a2f74d DJ |
365 | tmp = sr_samplerate_string(state->sample_rate); |
366 | sr_info("Current samplerate: %s", tmp); | |
367 | g_free(tmp); | |
368 | ||
422a1c0d | 369 | sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)", |
13f2b9d7 DJ |
370 | (*config->trigger_sources)[state->trigger_source], |
371 | (*config->trigger_slopes)[state->trigger_slope], | |
372 | state->horiz_triggerpos); | |
373 | } | |
374 | ||
23f43dff | 375 | static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi, |
89280b1a | 376 | const char *command, const char *(*array)[], int *result) |
13f2b9d7 DJ |
377 | { |
378 | char *tmp; | |
379 | unsigned int i; | |
380 | ||
23f43dff | 381 | if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) { |
89280b1a | 382 | g_free(tmp); |
13f2b9d7 DJ |
383 | return SR_ERR; |
384 | } | |
385 | ||
0a1f7b09 | 386 | for (i = 0; (*array)[i]; i++) { |
13f2b9d7 DJ |
387 | if (!g_strcmp0(tmp, (*array)[i])) { |
388 | *result = i; | |
389 | g_free(tmp); | |
390 | tmp = NULL; | |
391 | break; | |
392 | } | |
393 | } | |
394 | ||
395 | if (tmp) { | |
396 | g_free(tmp); | |
397 | return SR_ERR; | |
398 | } | |
399 | ||
400 | return SR_OK; | |
401 | } | |
402 | ||
8fff7519 | 403 | /** |
a53acd7d SB |
404 | * This function takes a value of the form "2.000E-03" and returns the index |
405 | * of an array where a matching pair was found. | |
8fff7519 SA |
406 | * |
407 | * @param value The string to be parsed. | |
408 | * @param array The array of s/f pairs. | |
409 | * @param array_len The number of pairs in the array. | |
410 | * @param result The index at which a matching pair was found. | |
411 | * | |
412 | * @return SR_ERR on any parsing error, SR_OK otherwise. | |
413 | */ | |
414 | static int array_float_get(gchar *value, const uint64_t array[][2], | |
650847e7 | 415 | int array_len, unsigned int *result) |
8fff7519 | 416 | { |
a53acd7d SB |
417 | struct sr_rational rval; |
418 | struct sr_rational aval; | |
8cccbac8 | 419 | |
a53acd7d | 420 | if (sr_parse_rational(value, &rval) != SR_OK) |
8fff7519 SA |
421 | return SR_ERR; |
422 | ||
a53acd7d SB |
423 | for (int i = 0; i < array_len; i++) { |
424 | sr_rational_set(&aval, array[i][0], array[i][1]); | |
425 | if (sr_rational_eq(&rval, &aval)) { | |
8fff7519 SA |
426 | *result = i; |
427 | return SR_OK; | |
428 | } | |
429 | } | |
430 | ||
431 | return SR_ERR; | |
432 | } | |
433 | ||
23f43dff | 434 | static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi, |
329733d9 | 435 | const struct scope_config *config, |
13f2b9d7 DJ |
436 | struct scope_state *state) |
437 | { | |
8de2dc3b | 438 | unsigned int i, j; |
13f2b9d7 | 439 | char command[MAX_COMMAND_SIZE]; |
8fff7519 | 440 | char *tmp_str; |
13f2b9d7 | 441 | |
0a1f7b09 | 442 | for (i = 0; i < config->analog_channels; i++) { |
13f2b9d7 DJ |
443 | g_snprintf(command, sizeof(command), |
444 | (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE], | |
445 | i + 1); | |
446 | ||
23f43dff | 447 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
448 | &state->analog_channels[i].state) != SR_OK) |
449 | return SR_ERR; | |
450 | ||
451 | g_snprintf(command, sizeof(command), | |
452 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV], | |
453 | i + 1); | |
454 | ||
8fff7519 | 455 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) |
8de2dc3b | 456 | return SR_ERR; |
8fff7519 SA |
457 | |
458 | if (array_float_get(tmp_str, hmo_vdivs, ARRAY_SIZE(hmo_vdivs), | |
459 | &j) != SR_OK) { | |
460 | g_free(tmp_str); | |
b4e31d2a | 461 | sr_err("Could not determine array index for vertical div scale."); |
13f2b9d7 | 462 | return SR_ERR; |
b4e31d2a | 463 | } |
13f2b9d7 | 464 | |
8fff7519 SA |
465 | g_free(tmp_str); |
466 | state->analog_channels[i].vdiv = j; | |
467 | ||
13f2b9d7 DJ |
468 | g_snprintf(command, sizeof(command), |
469 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET], | |
470 | i + 1); | |
471 | ||
23f43dff | 472 | if (sr_scpi_get_float(scpi, command, |
13f2b9d7 DJ |
473 | &state->analog_channels[i].vertical_offset) != SR_OK) |
474 | return SR_ERR; | |
475 | ||
476 | g_snprintf(command, sizeof(command), | |
477 | (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING], | |
478 | i + 1); | |
479 | ||
23f43dff | 480 | if (scope_state_get_array_option(scpi, command, config->coupling_options, |
13f2b9d7 DJ |
481 | &state->analog_channels[i].coupling) != SR_OK) |
482 | return SR_ERR; | |
448e81b1 SB |
483 | |
484 | g_snprintf(command, sizeof(command), | |
485 | (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT], | |
486 | i + 1); | |
487 | ||
488 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) | |
489 | return SR_ERR; | |
490 | ||
491 | if (tmp_str[0] == 'A') | |
492 | state->analog_channels[i].probe_unit = 'A'; | |
493 | else | |
494 | state->analog_channels[i].probe_unit = 'V'; | |
495 | g_free(tmp_str); | |
13f2b9d7 DJ |
496 | } |
497 | ||
498 | return SR_OK; | |
499 | } | |
500 | ||
23f43dff | 501 | static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi, |
329733d9 | 502 | const struct scope_config *config, |
13f2b9d7 DJ |
503 | struct scope_state *state) |
504 | { | |
505 | unsigned int i; | |
506 | char command[MAX_COMMAND_SIZE]; | |
507 | ||
0a1f7b09 | 508 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
509 | g_snprintf(command, sizeof(command), |
510 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE], | |
511 | i); | |
512 | ||
23f43dff | 513 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
514 | &state->digital_channels[i]) != SR_OK) |
515 | return SR_ERR; | |
516 | } | |
517 | ||
0a1f7b09 | 518 | for (i = 0; i < config->digital_pods; i++) { |
13f2b9d7 DJ |
519 | g_snprintf(command, sizeof(command), |
520 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE], | |
521 | i + 1); | |
522 | ||
23f43dff | 523 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
524 | &state->digital_pods[i]) != SR_OK) |
525 | return SR_ERR; | |
526 | } | |
527 | ||
528 | return SR_OK; | |
529 | } | |
530 | ||
14a2f74d DJ |
531 | SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi) |
532 | { | |
533 | struct dev_context *devc; | |
534 | struct scope_state *state; | |
329733d9 | 535 | const struct scope_config *config; |
14a2f74d DJ |
536 | |
537 | int tmp; | |
538 | unsigned int i; | |
539 | float tmp_float; | |
540 | gboolean channel_found; | |
541 | char tmp_str[MAX_COMMAND_SIZE]; | |
542 | char chan_name[20]; | |
543 | ||
544 | devc = sdi->priv; | |
545 | config = devc->model_config; | |
546 | state = devc->model_state; | |
547 | channel_found = FALSE; | |
548 | ||
0a1f7b09 | 549 | for (i = 0; i < config->analog_channels; i++) { |
14a2f74d DJ |
550 | if (state->analog_channels[i].state) { |
551 | g_snprintf(chan_name, sizeof(chan_name), "CHAN%d", i + 1); | |
552 | g_snprintf(tmp_str, sizeof(tmp_str), | |
553 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
554 | chan_name); | |
555 | channel_found = TRUE; | |
556 | break; | |
557 | } | |
558 | } | |
559 | ||
560 | if (!channel_found) { | |
561 | for (i = 0; i < config->digital_pods; i++) { | |
562 | if (state->digital_pods[i]) { | |
563 | g_snprintf(chan_name, sizeof(chan_name), "POD%d", i); | |
564 | g_snprintf(tmp_str, sizeof(tmp_str), | |
565 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
566 | chan_name); | |
567 | channel_found = TRUE; | |
568 | break; | |
569 | } | |
570 | } | |
571 | } | |
572 | ||
573 | /* No channel is active, ask the instrument for the sample rate | |
574 | * in single shot mode */ | |
575 | if (!channel_found) { | |
c06c24d2 DJ |
576 | if (sr_scpi_get_float(sdi->conn, |
577 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE], | |
578 | &tmp_float) != SR_OK) | |
14a2f74d | 579 | return SR_ERR; |
c06c24d2 | 580 | |
14a2f74d DJ |
581 | state->sample_rate = tmp_float; |
582 | } else { | |
583 | if (sr_scpi_get_int(sdi->conn, tmp_str, &tmp) != SR_OK) | |
584 | return SR_ERR; | |
585 | state->sample_rate = tmp / (((float) (*config->timebases)[state->timebase][0] / | |
586 | (*config->timebases)[state->timebase][1]) * | |
587 | config->num_xdivs); | |
588 | } | |
589 | ||
590 | return SR_OK; | |
591 | } | |
592 | ||
719eff68 | 593 | SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
594 | { |
595 | struct dev_context *devc; | |
596 | struct scope_state *state; | |
329733d9 | 597 | const struct scope_config *config; |
8de2dc3b DJ |
598 | float tmp_float; |
599 | unsigned int i; | |
8cccbac8 | 600 | char *tmp_str; |
13f2b9d7 DJ |
601 | |
602 | devc = sdi->priv; | |
603 | config = devc->model_config; | |
604 | state = devc->model_state; | |
605 | ||
8de2dc3b DJ |
606 | sr_info("Fetching scope state"); |
607 | ||
13f2b9d7 DJ |
608 | if (analog_channel_state_get(sdi->conn, config, state) != SR_OK) |
609 | return SR_ERR; | |
610 | ||
611 | if (digital_channel_state_get(sdi->conn, config, state) != SR_OK) | |
612 | return SR_ERR; | |
613 | ||
89280b1a UH |
614 | if (sr_scpi_get_float(sdi->conn, |
615 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
8de2dc3b DJ |
616 | &tmp_float) != SR_OK) |
617 | return SR_ERR; | |
618 | ||
8cccbac8 SA |
619 | if (sr_scpi_get_string(sdi->conn, |
620 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
621 | &tmp_str) != SR_OK) | |
622 | return SR_ERR; | |
623 | ||
624 | if (array_float_get(tmp_str, hmo_timebases, ARRAY_SIZE(hmo_timebases), | |
625 | &i) != SR_OK) { | |
626 | g_free(tmp_str); | |
b4e31d2a | 627 | sr_err("Could not determine array index for time base."); |
13f2b9d7 | 628 | return SR_ERR; |
b4e31d2a | 629 | } |
e5b7eef7 | 630 | g_free(tmp_str); |
13f2b9d7 | 631 | |
8cccbac8 SA |
632 | state->timebase = i; |
633 | ||
89280b1a UH |
634 | if (sr_scpi_get_float(sdi->conn, |
635 | (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS], | |
422a1c0d | 636 | &tmp_float) != SR_OK) |
13f2b9d7 | 637 | return SR_ERR; |
422a1c0d DJ |
638 | state->horiz_triggerpos = tmp_float / |
639 | (((double) (*config->timebases)[state->timebase][0] / | |
640 | (*config->timebases)[state->timebase][1]) * config->num_xdivs); | |
641 | state->horiz_triggerpos -= 0.5; | |
642 | state->horiz_triggerpos *= -1; | |
13f2b9d7 | 643 | |
89280b1a UH |
644 | if (scope_state_get_array_option(sdi->conn, |
645 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE], | |
646 | config->trigger_sources, &state->trigger_source) != SR_OK) | |
13f2b9d7 DJ |
647 | return SR_ERR; |
648 | ||
89280b1a UH |
649 | if (scope_state_get_array_option(sdi->conn, |
650 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE], | |
651 | config->trigger_slopes, &state->trigger_slope) != SR_OK) | |
13f2b9d7 DJ |
652 | return SR_ERR; |
653 | ||
14a2f74d DJ |
654 | if (hmo_update_sample_rate(sdi) != SR_OK) |
655 | return SR_ERR; | |
656 | ||
8de2dc3b DJ |
657 | sr_info("Fetching finished."); |
658 | ||
13f2b9d7 DJ |
659 | scope_state_dump(config, state); |
660 | ||
661 | return SR_OK; | |
662 | } | |
663 | ||
329733d9 | 664 | static struct scope_state *scope_state_new(const struct scope_config *config) |
13f2b9d7 DJ |
665 | { |
666 | struct scope_state *state; | |
667 | ||
a95f142e UH |
668 | state = g_malloc0(sizeof(struct scope_state)); |
669 | state->analog_channels = g_malloc0_n(config->analog_channels, | |
670 | sizeof(struct analog_channel_state)); | |
671 | state->digital_channels = g_malloc0_n( | |
672 | config->digital_channels, sizeof(gboolean)); | |
673 | state->digital_pods = g_malloc0_n(config->digital_pods, | |
674 | sizeof(gboolean)); | |
13f2b9d7 DJ |
675 | |
676 | return state; | |
13f2b9d7 DJ |
677 | } |
678 | ||
719eff68 | 679 | SR_PRIV void hmo_scope_state_free(struct scope_state *state) |
13f2b9d7 DJ |
680 | { |
681 | g_free(state->analog_channels); | |
682 | g_free(state->digital_channels); | |
683 | g_free(state->digital_pods); | |
684 | g_free(state); | |
685 | } | |
686 | ||
687 | SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi) | |
688 | { | |
689 | char tmp[25]; | |
690 | int model_index; | |
2d224dba | 691 | unsigned int i, j, group; |
ba7dd8bb | 692 | struct sr_channel *ch; |
13f2b9d7 DJ |
693 | struct dev_context *devc; |
694 | ||
695 | devc = sdi->priv; | |
696 | model_index = -1; | |
697 | ||
89280b1a | 698 | /* Find the exact model. */ |
13f2b9d7 DJ |
699 | for (i = 0; i < ARRAY_SIZE(scope_models); i++) { |
700 | for (j = 0; scope_models[i].name[j]; j++) { | |
701 | if (!strcmp(sdi->model, scope_models[i].name[j])) { | |
702 | model_index = i; | |
703 | break; | |
704 | } | |
705 | } | |
706 | if (model_index != -1) | |
707 | break; | |
708 | } | |
709 | ||
710 | if (model_index == -1) { | |
89280b1a | 711 | sr_dbg("Unsupported HMO device."); |
13f2b9d7 DJ |
712 | return SR_ERR_NA; |
713 | } | |
714 | ||
562b7ae5 SA |
715 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
716 | scope_models[model_index].analog_channels); | |
13f2b9d7 | 717 | |
562b7ae5 SA |
718 | devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
719 | scope_models[model_index].digital_pods); | |
13f2b9d7 | 720 | |
89280b1a | 721 | /* Add analog channels. */ |
13f2b9d7 | 722 | for (i = 0; i < scope_models[model_index].analog_channels; i++) { |
5e23fcab | 723 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, |
c368e6f3 | 724 | (*scope_models[model_index].analog_names)[i]); |
13f2b9d7 | 725 | |
562b7ae5 SA |
726 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
727 | ||
728 | devc->analog_groups[i]->name = g_strdup( | |
729 | (char *)(*scope_models[model_index].analog_names)[i]); | |
730 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); | |
13f2b9d7 | 731 | |
660e398f | 732 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
562b7ae5 | 733 | devc->analog_groups[i]); |
13f2b9d7 DJ |
734 | } |
735 | ||
660e398f | 736 | /* Add digital channel groups. */ |
0a1f7b09 | 737 | for (i = 0; i < scope_models[model_index].digital_pods; i++) { |
13f2b9d7 | 738 | g_snprintf(tmp, 25, "POD%d", i); |
562b7ae5 SA |
739 | |
740 | devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); | |
741 | ||
742 | devc->digital_groups[i]->name = g_strdup(tmp); | |
660e398f | 743 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
2d224dba | 744 | devc->digital_groups[i]); |
13f2b9d7 DJ |
745 | } |
746 | ||
89280b1a | 747 | /* Add digital channels. */ |
13f2b9d7 | 748 | for (i = 0; i < scope_models[model_index].digital_channels; i++) { |
5e23fcab | 749 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, |
c368e6f3 | 750 | (*scope_models[model_index].digital_names)[i]); |
13f2b9d7 | 751 | |
2d224dba GS |
752 | group = i / 8; |
753 | devc->digital_groups[group]->channels = g_slist_append( | |
754 | devc->digital_groups[group]->channels, ch); | |
13f2b9d7 DJ |
755 | } |
756 | ||
757 | devc->model_config = &scope_models[model_index]; | |
758 | devc->frame_limit = 0; | |
759 | ||
760 | if (!(devc->model_state = scope_state_new(devc->model_config))) | |
761 | return SR_ERR_MALLOC; | |
762 | ||
763 | return SR_OK; | |
764 | } | |
765 | ||
719eff68 | 766 | SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data) |
06a3e78a | 767 | { |
ba7dd8bb | 768 | struct sr_channel *ch; |
13f2b9d7 | 769 | struct sr_dev_inst *sdi; |
06a3e78a | 770 | struct dev_context *devc; |
401b83a1 | 771 | struct scope_state *state; |
13f2b9d7 | 772 | struct sr_datafeed_packet packet; |
401b83a1 SB |
773 | GByteArray *data; |
774 | struct sr_datafeed_analog analog; | |
775 | struct sr_analog_encoding encoding; | |
776 | struct sr_analog_meaning meaning; | |
777 | struct sr_analog_spec spec; | |
89280b1a | 778 | struct sr_datafeed_logic logic; |
06a3e78a DJ |
779 | |
780 | (void)fd; | |
f0729866 | 781 | (void)revents; |
06a3e78a | 782 | |
f62f595b MK |
783 | data = NULL; |
784 | ||
06a3e78a DJ |
785 | if (!(sdi = cb_data)) |
786 | return TRUE; | |
787 | ||
788 | if (!(devc = sdi->priv)) | |
789 | return TRUE; | |
790 | ||
f4f273ce SB |
791 | /* Although this is correct in general, the USBTMC libusb implementation |
792 | * currently does not generate an event prior to the first read. Often | |
793 | * it is ok to start reading just after the 50ms timeout. See bug #785. | |
dc89faea UH |
794 | if (revents != G_IO_IN) |
795 | return TRUE; | |
f4f273ce | 796 | */ |
13f2b9d7 | 797 | |
dc89faea | 798 | ch = devc->current_channel->data; |
401b83a1 | 799 | state = devc->model_state; |
13f2b9d7 | 800 | |
dc89faea UH |
801 | switch (ch->type) { |
802 | case SR_CHANNEL_ANALOG: | |
401b83a1 | 803 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
dc89faea | 804 | if (data) |
401b83a1 | 805 | g_byte_array_free(data, TRUE); |
13f2b9d7 | 806 | |
dc89faea | 807 | return TRUE; |
13f2b9d7 DJ |
808 | } |
809 | ||
dc89faea | 810 | packet.type = SR_DF_FRAME_BEGIN; |
13f2b9d7 DJ |
811 | sr_session_send(sdi, &packet); |
812 | ||
401b83a1 SB |
813 | packet.type = SR_DF_ANALOG; |
814 | ||
815 | analog.data = data->data; | |
816 | analog.num_samples = data->len / sizeof(float); | |
817 | analog.encoding = &encoding; | |
818 | analog.meaning = &meaning; | |
819 | analog.spec = &spec; | |
820 | ||
821 | encoding.unitsize = sizeof(float); | |
822 | encoding.is_signed = TRUE; | |
823 | encoding.is_float = TRUE; | |
824 | encoding.is_bigendian = FALSE; | |
7dcaddd3 UH |
825 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
826 | encoding.digits = 2; | |
401b83a1 SB |
827 | encoding.is_digits_decimal = FALSE; |
828 | encoding.scale.p = 1; | |
829 | encoding.scale.q = 1; | |
830 | encoding.offset.p = 0; | |
831 | encoding.offset.q = 1; | |
832 | if (state->analog_channels[ch->index].probe_unit == 'V') { | |
833 | meaning.mq = SR_MQ_VOLTAGE; | |
834 | meaning.unit = SR_UNIT_VOLT; | |
835 | } else { | |
836 | meaning.mq = SR_MQ_CURRENT; | |
837 | meaning.unit = SR_UNIT_AMPERE; | |
838 | } | |
839 | meaning.mqflags = 0; | |
840 | meaning.channels = g_slist_append(NULL, ch); | |
7dcaddd3 UH |
841 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
842 | spec.spec_digits = 2; | |
dc89faea | 843 | packet.payload = &analog; |
695dc859 | 844 | sr_session_send(sdi, &packet); |
401b83a1 SB |
845 | g_slist_free(meaning.channels); |
846 | g_byte_array_free(data, TRUE); | |
dc89faea UH |
847 | data = NULL; |
848 | break; | |
849 | case SR_CHANNEL_LOGIC: | |
401b83a1 | 850 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
dc89faea UH |
851 | g_free(data); |
852 | return TRUE; | |
13f2b9d7 | 853 | } |
dc89faea UH |
854 | |
855 | packet.type = SR_DF_FRAME_BEGIN; | |
856 | sr_session_send(sdi, &packet); | |
857 | ||
858 | logic.length = data->len; | |
859 | logic.unitsize = 1; | |
860 | logic.data = data->data; | |
861 | packet.type = SR_DF_LOGIC; | |
862 | packet.payload = &logic; | |
695dc859 | 863 | sr_session_send(sdi, &packet); |
401b83a1 | 864 | g_byte_array_free(data, TRUE); |
dc89faea UH |
865 | data = NULL; |
866 | break; | |
867 | default: | |
868 | sr_err("Invalid channel type."); | |
869 | break; | |
870 | } | |
871 | ||
872 | packet.type = SR_DF_FRAME_END; | |
873 | sr_session_send(sdi, &packet); | |
874 | ||
875 | if (devc->current_channel->next) { | |
876 | devc->current_channel = devc->current_channel->next; | |
877 | hmo_request_data(sdi); | |
878 | } else if (++devc->num_frames == devc->frame_limit) { | |
695dc859 | 879 | sdi->driver->dev_acquisition_stop(sdi); |
dc89faea UH |
880 | } else { |
881 | devc->current_channel = devc->enabled_channels; | |
882 | hmo_request_data(sdi); | |
06a3e78a DJ |
883 | } |
884 | ||
885 | return TRUE; | |
886 | } |