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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?", |
d431e4ec | 51 | [SCPI_CMD_GET_BYTE_ORDER] = ":FORM:BORD?", |
13f2b9d7 DJ |
52 | }; |
53 | ||
f254bc4b | 54 | static const uint32_t hmo_devopts[] = { |
13f2b9d7 | 55 | SR_CONF_OSCILLOSCOPE, |
a1b61e6e | 56 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET, |
5827f61b BV |
57 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
58 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
bf622e6d | 59 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
5827f61b BV |
60 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
61 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, | |
62 | SR_CONF_SAMPLERATE | SR_CONF_GET, | |
13f2b9d7 DJ |
63 | }; |
64 | ||
f254bc4b | 65 | static const uint32_t hmo_analog_devopts[] = { |
5827f61b BV |
66 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
67 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
68 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
13f2b9d7 DJ |
69 | }; |
70 | ||
71 | static const char *hmo_coupling_options[] = { | |
b05ab7d2 SB |
72 | "AC", // AC with 50 Ohm termination (152x, 202x, 30xx, 1202) |
73 | "ACL", // AC with 1 MOhm termination | |
74 | "DC", // DC with 50 Ohm termination | |
75 | "DCL", // DC with 1 MOhm termination | |
13f2b9d7 DJ |
76 | "GND", |
77 | NULL, | |
78 | }; | |
79 | ||
80 | static const char *scope_trigger_slopes[] = { | |
81 | "POS", | |
82 | "NEG", | |
356f64f8 | 83 | "EITH", |
13f2b9d7 DJ |
84 | NULL, |
85 | }; | |
86 | ||
87 | static const char *hmo_compact2_trigger_sources[] = { | |
88 | "CH1", | |
89 | "CH2", | |
90 | "LINE", | |
91 | "EXT", | |
510aa828 SB |
92 | "PATT", |
93 | "BUS1", | |
94 | "BUS2", | |
13f2b9d7 DJ |
95 | "D0", |
96 | "D1", | |
97 | "D2", | |
98 | "D3", | |
99 | "D4", | |
100 | "D5", | |
101 | "D6", | |
102 | "D7", | |
103 | NULL, | |
104 | }; | |
105 | ||
106 | static const char *hmo_compact4_trigger_sources[] = { | |
107 | "CH1", | |
108 | "CH2", | |
109 | "CH3", | |
110 | "CH4", | |
111 | "LINE", | |
112 | "EXT", | |
510aa828 SB |
113 | "PATT", |
114 | "BUS1", | |
115 | "BUS2", | |
13f2b9d7 DJ |
116 | "D0", |
117 | "D1", | |
118 | "D2", | |
119 | "D3", | |
120 | "D4", | |
121 | "D5", | |
122 | "D6", | |
123 | "D7", | |
124 | NULL, | |
125 | }; | |
126 | ||
74413faf GS |
127 | static const char *hmo_compact4_dig16_trigger_sources[] = { |
128 | "CH1", | |
129 | "CH2", | |
130 | "CH3", | |
131 | "CH4", | |
132 | "LINE", | |
133 | "EXT", | |
134 | "PATT", | |
135 | "BUS1", | |
136 | "BUS2", | |
137 | "D0", | |
138 | "D1", | |
139 | "D2", | |
140 | "D3", | |
141 | "D4", | |
142 | "D5", | |
143 | "D6", | |
144 | "D7", | |
145 | "D8", | |
146 | "D9", | |
147 | "D10", | |
148 | "D11", | |
149 | "D12", | |
150 | "D13", | |
151 | "D14", | |
152 | "D15", | |
153 | NULL, | |
154 | }; | |
155 | ||
13f2b9d7 DJ |
156 | static const uint64_t hmo_timebases[][2] = { |
157 | /* nanoseconds */ | |
158 | { 2, 1000000000 }, | |
159 | { 5, 1000000000 }, | |
160 | { 10, 1000000000 }, | |
161 | { 20, 1000000000 }, | |
162 | { 50, 1000000000 }, | |
163 | { 100, 1000000000 }, | |
164 | { 200, 1000000000 }, | |
165 | { 500, 1000000000 }, | |
166 | /* microseconds */ | |
167 | { 1, 1000000 }, | |
168 | { 2, 1000000 }, | |
169 | { 5, 1000000 }, | |
170 | { 10, 1000000 }, | |
171 | { 20, 1000000 }, | |
172 | { 50, 1000000 }, | |
173 | { 100, 1000000 }, | |
174 | { 200, 1000000 }, | |
175 | { 500, 1000000 }, | |
176 | /* milliseconds */ | |
177 | { 1, 1000 }, | |
178 | { 2, 1000 }, | |
179 | { 5, 1000 }, | |
180 | { 10, 1000 }, | |
181 | { 20, 1000 }, | |
182 | { 50, 1000 }, | |
183 | { 100, 1000 }, | |
184 | { 200, 1000 }, | |
185 | { 500, 1000 }, | |
186 | /* seconds */ | |
187 | { 1, 1 }, | |
188 | { 2, 1 }, | |
189 | { 5, 1 }, | |
190 | { 10, 1 }, | |
191 | { 20, 1 }, | |
192 | { 50, 1 }, | |
193 | }; | |
194 | ||
195 | static const uint64_t hmo_vdivs[][2] = { | |
196 | /* millivolts */ | |
197 | { 1, 1000 }, | |
198 | { 2, 1000 }, | |
199 | { 5, 1000 }, | |
200 | { 10, 1000 }, | |
201 | { 20, 1000 }, | |
202 | { 50, 1000 }, | |
203 | { 100, 1000 }, | |
204 | { 200, 1000 }, | |
205 | { 500, 1000 }, | |
206 | /* volts */ | |
207 | { 1, 1 }, | |
208 | { 2, 1 }, | |
209 | { 5, 1 }, | |
210 | { 10, 1 }, | |
fe227d17 SA |
211 | { 20, 1 }, |
212 | { 50, 1 }, | |
13f2b9d7 DJ |
213 | }; |
214 | ||
ba7dd8bb | 215 | static const char *scope_analog_channel_names[] = { |
13f2b9d7 DJ |
216 | "CH1", |
217 | "CH2", | |
218 | "CH3", | |
219 | "CH4", | |
220 | }; | |
221 | ||
ba7dd8bb | 222 | static const char *scope_digital_channel_names[] = { |
13f2b9d7 DJ |
223 | "D0", |
224 | "D1", | |
225 | "D2", | |
226 | "D3", | |
227 | "D4", | |
228 | "D5", | |
229 | "D6", | |
230 | "D7", | |
231 | "D8", | |
232 | "D9", | |
233 | "D10", | |
234 | "D11", | |
235 | "D12", | |
236 | "D13", | |
237 | "D14", | |
238 | "D15", | |
239 | }; | |
240 | ||
329733d9 | 241 | static const struct scope_config scope_models[] = { |
13f2b9d7 | 242 | { |
e786b194 | 243 | /* HMO2522/3032/3042/3052 support 16 digital channels but they're not supported yet. */ |
da1726cc | 244 | .name = {"HMO1002", "HMO722", "HMO1022", "HMO1522", "HMO2022", "HMO2522", |
e786b194 | 245 | "HMO3032", "HMO3042", "HMO3052", NULL}, |
13f2b9d7 DJ |
246 | .analog_channels = 2, |
247 | .digital_channels = 8, | |
248 | .digital_pods = 1, | |
249 | ||
ba7dd8bb UH |
250 | .analog_names = &scope_analog_channel_names, |
251 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 252 | |
f254bc4b BV |
253 | .devopts = &hmo_devopts, |
254 | .num_devopts = ARRAY_SIZE(hmo_devopts), | |
13f2b9d7 | 255 | |
f254bc4b BV |
256 | .analog_devopts = &hmo_analog_devopts, |
257 | .num_analog_devopts = ARRAY_SIZE(hmo_analog_devopts), | |
13f2b9d7 DJ |
258 | |
259 | .coupling_options = &hmo_coupling_options, | |
260 | .trigger_sources = &hmo_compact2_trigger_sources, | |
261 | .trigger_slopes = &scope_trigger_slopes, | |
262 | ||
263 | .timebases = &hmo_timebases, | |
264 | .num_timebases = ARRAY_SIZE(hmo_timebases), | |
265 | ||
266 | .vdivs = &hmo_vdivs, | |
267 | .num_vdivs = ARRAY_SIZE(hmo_vdivs), | |
268 | ||
269 | .num_xdivs = 12, | |
270 | .num_ydivs = 8, | |
271 | ||
272 | .scpi_dialect = &hameg_scpi_dialect, | |
273 | }, | |
274 | { | |
74413faf | 275 | .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL}, |
13f2b9d7 DJ |
276 | .analog_channels = 4, |
277 | .digital_channels = 8, | |
278 | .digital_pods = 1, | |
279 | ||
ba7dd8bb UH |
280 | .analog_names = &scope_analog_channel_names, |
281 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 282 | |
f254bc4b BV |
283 | .devopts = &hmo_devopts, |
284 | .num_devopts = ARRAY_SIZE(hmo_devopts), | |
13f2b9d7 | 285 | |
f254bc4b BV |
286 | .analog_devopts = &hmo_analog_devopts, |
287 | .num_analog_devopts = ARRAY_SIZE(hmo_analog_devopts), | |
13f2b9d7 DJ |
288 | |
289 | .coupling_options = &hmo_coupling_options, | |
290 | .trigger_sources = &hmo_compact4_trigger_sources, | |
291 | .trigger_slopes = &scope_trigger_slopes, | |
292 | ||
293 | .timebases = &hmo_timebases, | |
294 | .num_timebases = ARRAY_SIZE(hmo_timebases), | |
295 | ||
296 | .vdivs = &hmo_vdivs, | |
297 | .num_vdivs = ARRAY_SIZE(hmo_vdivs), | |
298 | ||
299 | .num_xdivs = 12, | |
300 | .num_ydivs = 8, | |
301 | ||
74413faf GS |
302 | .scpi_dialect = &hameg_scpi_dialect, |
303 | }, | |
304 | { | |
305 | .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", NULL}, | |
306 | .analog_channels = 4, | |
307 | .digital_channels = 16, | |
308 | .digital_pods = 2, | |
309 | ||
310 | .analog_names = &scope_analog_channel_names, | |
311 | .digital_names = &scope_digital_channel_names, | |
312 | ||
313 | .devopts = &hmo_devopts, | |
314 | .num_devopts = ARRAY_SIZE(hmo_devopts), | |
315 | ||
316 | .analog_devopts = &hmo_analog_devopts, | |
317 | .num_analog_devopts = ARRAY_SIZE(hmo_analog_devopts), | |
318 | ||
319 | .coupling_options = &hmo_coupling_options, | |
320 | .trigger_sources = &hmo_compact4_dig16_trigger_sources, | |
321 | .trigger_slopes = &scope_trigger_slopes, | |
322 | ||
323 | .timebases = &hmo_timebases, | |
324 | .num_timebases = ARRAY_SIZE(hmo_timebases), | |
325 | ||
326 | .vdivs = &hmo_vdivs, | |
327 | .num_vdivs = ARRAY_SIZE(hmo_vdivs), | |
328 | ||
329 | .num_xdivs = 12, | |
330 | .num_ydivs = 8, | |
331 | ||
13f2b9d7 DJ |
332 | .scpi_dialect = &hameg_scpi_dialect, |
333 | }, | |
334 | }; | |
335 | ||
329733d9 | 336 | static void scope_state_dump(const struct scope_config *config, |
13f2b9d7 DJ |
337 | struct scope_state *state) |
338 | { | |
339 | unsigned int i; | |
8de2dc3b | 340 | char *tmp; |
13f2b9d7 | 341 | |
0a1f7b09 | 342 | for (i = 0; i < config->analog_channels; i++) { |
8de2dc3b DJ |
343 | tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0], |
344 | (*config->vdivs)[state->analog_channels[i].vdiv][1]); | |
d9251a2c | 345 | sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)", |
8de2dc3b | 346 | i + 1, state->analog_channels[i].state ? "On" : "Off", |
13f2b9d7 | 347 | (*config->coupling_options)[state->analog_channels[i].coupling], |
8de2dc3b | 348 | tmp, state->analog_channels[i].vertical_offset); |
13f2b9d7 DJ |
349 | } |
350 | ||
0a1f7b09 | 351 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
352 | sr_info("State of digital channel %d -> %s", i, |
353 | state->digital_channels[i] ? "On" : "Off"); | |
354 | } | |
355 | ||
0a1f7b09 | 356 | for (i = 0; i < config->digital_pods; i++) { |
13f2b9d7 DJ |
357 | sr_info("State of digital POD %d -> %s", i, |
358 | state->digital_pods[i] ? "On" : "Off"); | |
359 | } | |
360 | ||
8de2dc3b DJ |
361 | tmp = sr_period_string((*config->timebases)[state->timebase][0] * |
362 | (*config->timebases)[state->timebase][1]); | |
363 | sr_info("Current timebase: %s", tmp); | |
364 | g_free(tmp); | |
365 | ||
14a2f74d DJ |
366 | tmp = sr_samplerate_string(state->sample_rate); |
367 | sr_info("Current samplerate: %s", tmp); | |
368 | g_free(tmp); | |
369 | ||
422a1c0d | 370 | sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)", |
13f2b9d7 DJ |
371 | (*config->trigger_sources)[state->trigger_source], |
372 | (*config->trigger_slopes)[state->trigger_slope], | |
373 | state->horiz_triggerpos); | |
374 | } | |
375 | ||
23f43dff | 376 | static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi, |
89280b1a | 377 | const char *command, const char *(*array)[], int *result) |
13f2b9d7 DJ |
378 | { |
379 | char *tmp; | |
380 | unsigned int i; | |
381 | ||
23f43dff | 382 | if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) { |
89280b1a | 383 | g_free(tmp); |
13f2b9d7 DJ |
384 | return SR_ERR; |
385 | } | |
386 | ||
0a1f7b09 | 387 | for (i = 0; (*array)[i]; i++) { |
13f2b9d7 DJ |
388 | if (!g_strcmp0(tmp, (*array)[i])) { |
389 | *result = i; | |
390 | g_free(tmp); | |
391 | tmp = NULL; | |
392 | break; | |
393 | } | |
394 | } | |
395 | ||
396 | if (tmp) { | |
397 | g_free(tmp); | |
398 | return SR_ERR; | |
399 | } | |
400 | ||
401 | return SR_OK; | |
402 | } | |
403 | ||
8fff7519 | 404 | /** |
a53acd7d SB |
405 | * This function takes a value of the form "2.000E-03" and returns the index |
406 | * of an array where a matching pair was found. | |
8fff7519 SA |
407 | * |
408 | * @param value The string to be parsed. | |
409 | * @param array The array of s/f pairs. | |
410 | * @param array_len The number of pairs in the array. | |
411 | * @param result The index at which a matching pair was found. | |
412 | * | |
413 | * @return SR_ERR on any parsing error, SR_OK otherwise. | |
414 | */ | |
415 | static int array_float_get(gchar *value, const uint64_t array[][2], | |
650847e7 | 416 | int array_len, unsigned int *result) |
8fff7519 | 417 | { |
a53acd7d SB |
418 | struct sr_rational rval; |
419 | struct sr_rational aval; | |
8cccbac8 | 420 | |
a53acd7d | 421 | if (sr_parse_rational(value, &rval) != SR_OK) |
8fff7519 SA |
422 | return SR_ERR; |
423 | ||
a53acd7d SB |
424 | for (int i = 0; i < array_len; i++) { |
425 | sr_rational_set(&aval, array[i][0], array[i][1]); | |
426 | if (sr_rational_eq(&rval, &aval)) { | |
8fff7519 SA |
427 | *result = i; |
428 | return SR_OK; | |
429 | } | |
430 | } | |
431 | ||
432 | return SR_ERR; | |
433 | } | |
434 | ||
23f43dff | 435 | static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi, |
329733d9 | 436 | const struct scope_config *config, |
13f2b9d7 DJ |
437 | struct scope_state *state) |
438 | { | |
8de2dc3b | 439 | unsigned int i, j; |
13f2b9d7 | 440 | char command[MAX_COMMAND_SIZE]; |
8fff7519 | 441 | char *tmp_str; |
13f2b9d7 | 442 | |
0a1f7b09 | 443 | for (i = 0; i < config->analog_channels; i++) { |
13f2b9d7 DJ |
444 | g_snprintf(command, sizeof(command), |
445 | (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE], | |
446 | i + 1); | |
447 | ||
23f43dff | 448 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
449 | &state->analog_channels[i].state) != SR_OK) |
450 | return SR_ERR; | |
451 | ||
452 | g_snprintf(command, sizeof(command), | |
453 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV], | |
454 | i + 1); | |
455 | ||
8fff7519 | 456 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) |
8de2dc3b | 457 | return SR_ERR; |
8fff7519 SA |
458 | |
459 | if (array_float_get(tmp_str, hmo_vdivs, ARRAY_SIZE(hmo_vdivs), | |
460 | &j) != SR_OK) { | |
461 | g_free(tmp_str); | |
b4e31d2a | 462 | sr_err("Could not determine array index for vertical div scale."); |
13f2b9d7 | 463 | return SR_ERR; |
b4e31d2a | 464 | } |
13f2b9d7 | 465 | |
8fff7519 SA |
466 | g_free(tmp_str); |
467 | state->analog_channels[i].vdiv = j; | |
468 | ||
13f2b9d7 DJ |
469 | g_snprintf(command, sizeof(command), |
470 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET], | |
471 | i + 1); | |
472 | ||
23f43dff | 473 | if (sr_scpi_get_float(scpi, command, |
13f2b9d7 DJ |
474 | &state->analog_channels[i].vertical_offset) != SR_OK) |
475 | return SR_ERR; | |
476 | ||
477 | g_snprintf(command, sizeof(command), | |
478 | (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING], | |
479 | i + 1); | |
480 | ||
23f43dff | 481 | if (scope_state_get_array_option(scpi, command, config->coupling_options, |
13f2b9d7 DJ |
482 | &state->analog_channels[i].coupling) != SR_OK) |
483 | return SR_ERR; | |
448e81b1 SB |
484 | |
485 | g_snprintf(command, sizeof(command), | |
486 | (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT], | |
487 | i + 1); | |
488 | ||
489 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) | |
490 | return SR_ERR; | |
491 | ||
492 | if (tmp_str[0] == 'A') | |
493 | state->analog_channels[i].probe_unit = 'A'; | |
494 | else | |
495 | state->analog_channels[i].probe_unit = 'V'; | |
496 | g_free(tmp_str); | |
13f2b9d7 DJ |
497 | } |
498 | ||
d431e4ec GS |
499 | /* |
500 | * Determine the byte order which will be used for data blocks. | |
501 | * A ":FORM:BORD?" request will yield either an "MSBF" or "LSBF" | |
502 | * response. | |
503 | */ | |
504 | state->byteorder = '?'; | |
505 | if (sr_scpi_get_string(scpi, | |
506 | (*config->scpi_dialect)[SCPI_CMD_GET_BYTE_ORDER], | |
507 | &tmp_str) != SR_OK) | |
508 | return SR_ERR; | |
509 | if (tmp_str[0] == 'M') | |
510 | state->byteorder = 'b'; | |
511 | else if (tmp_str[0] == 'L') | |
512 | state->byteorder = 'l'; | |
513 | g_free(tmp_str); | |
514 | ||
13f2b9d7 DJ |
515 | return SR_OK; |
516 | } | |
517 | ||
23f43dff | 518 | static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi, |
329733d9 | 519 | const struct scope_config *config, |
13f2b9d7 DJ |
520 | struct scope_state *state) |
521 | { | |
522 | unsigned int i; | |
523 | char command[MAX_COMMAND_SIZE]; | |
524 | ||
0a1f7b09 | 525 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
526 | g_snprintf(command, sizeof(command), |
527 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE], | |
528 | i); | |
529 | ||
23f43dff | 530 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
531 | &state->digital_channels[i]) != SR_OK) |
532 | return SR_ERR; | |
533 | } | |
534 | ||
0a1f7b09 | 535 | for (i = 0; i < config->digital_pods; i++) { |
13f2b9d7 DJ |
536 | g_snprintf(command, sizeof(command), |
537 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE], | |
538 | i + 1); | |
539 | ||
23f43dff | 540 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
541 | &state->digital_pods[i]) != SR_OK) |
542 | return SR_ERR; | |
543 | } | |
544 | ||
545 | return SR_OK; | |
546 | } | |
547 | ||
14a2f74d DJ |
548 | SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi) |
549 | { | |
550 | struct dev_context *devc; | |
551 | struct scope_state *state; | |
329733d9 | 552 | const struct scope_config *config; |
14a2f74d DJ |
553 | |
554 | int tmp; | |
555 | unsigned int i; | |
556 | float tmp_float; | |
557 | gboolean channel_found; | |
558 | char tmp_str[MAX_COMMAND_SIZE]; | |
559 | char chan_name[20]; | |
560 | ||
561 | devc = sdi->priv; | |
562 | config = devc->model_config; | |
563 | state = devc->model_state; | |
564 | channel_found = FALSE; | |
565 | ||
0a1f7b09 | 566 | for (i = 0; i < config->analog_channels; i++) { |
14a2f74d DJ |
567 | if (state->analog_channels[i].state) { |
568 | g_snprintf(chan_name, sizeof(chan_name), "CHAN%d", i + 1); | |
569 | g_snprintf(tmp_str, sizeof(tmp_str), | |
570 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
571 | chan_name); | |
572 | channel_found = TRUE; | |
573 | break; | |
574 | } | |
575 | } | |
576 | ||
577 | if (!channel_found) { | |
578 | for (i = 0; i < config->digital_pods; i++) { | |
579 | if (state->digital_pods[i]) { | |
580 | g_snprintf(chan_name, sizeof(chan_name), "POD%d", i); | |
581 | g_snprintf(tmp_str, sizeof(tmp_str), | |
582 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
583 | chan_name); | |
584 | channel_found = TRUE; | |
585 | break; | |
586 | } | |
587 | } | |
588 | } | |
589 | ||
590 | /* No channel is active, ask the instrument for the sample rate | |
591 | * in single shot mode */ | |
592 | if (!channel_found) { | |
c06c24d2 DJ |
593 | if (sr_scpi_get_float(sdi->conn, |
594 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE], | |
595 | &tmp_float) != SR_OK) | |
14a2f74d | 596 | return SR_ERR; |
c06c24d2 | 597 | |
14a2f74d DJ |
598 | state->sample_rate = tmp_float; |
599 | } else { | |
600 | if (sr_scpi_get_int(sdi->conn, tmp_str, &tmp) != SR_OK) | |
601 | return SR_ERR; | |
602 | state->sample_rate = tmp / (((float) (*config->timebases)[state->timebase][0] / | |
603 | (*config->timebases)[state->timebase][1]) * | |
604 | config->num_xdivs); | |
605 | } | |
606 | ||
607 | return SR_OK; | |
608 | } | |
609 | ||
719eff68 | 610 | SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
611 | { |
612 | struct dev_context *devc; | |
613 | struct scope_state *state; | |
329733d9 | 614 | const struct scope_config *config; |
8de2dc3b DJ |
615 | float tmp_float; |
616 | unsigned int i; | |
8cccbac8 | 617 | char *tmp_str; |
13f2b9d7 DJ |
618 | |
619 | devc = sdi->priv; | |
620 | config = devc->model_config; | |
621 | state = devc->model_state; | |
622 | ||
8de2dc3b DJ |
623 | sr_info("Fetching scope state"); |
624 | ||
13f2b9d7 DJ |
625 | if (analog_channel_state_get(sdi->conn, config, state) != SR_OK) |
626 | return SR_ERR; | |
627 | ||
628 | if (digital_channel_state_get(sdi->conn, config, state) != SR_OK) | |
629 | return SR_ERR; | |
630 | ||
89280b1a UH |
631 | if (sr_scpi_get_float(sdi->conn, |
632 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
8de2dc3b DJ |
633 | &tmp_float) != SR_OK) |
634 | return SR_ERR; | |
635 | ||
8cccbac8 SA |
636 | if (sr_scpi_get_string(sdi->conn, |
637 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
638 | &tmp_str) != SR_OK) | |
639 | return SR_ERR; | |
640 | ||
641 | if (array_float_get(tmp_str, hmo_timebases, ARRAY_SIZE(hmo_timebases), | |
642 | &i) != SR_OK) { | |
643 | g_free(tmp_str); | |
b4e31d2a | 644 | sr_err("Could not determine array index for time base."); |
13f2b9d7 | 645 | return SR_ERR; |
b4e31d2a | 646 | } |
e5b7eef7 | 647 | g_free(tmp_str); |
13f2b9d7 | 648 | |
8cccbac8 SA |
649 | state->timebase = i; |
650 | ||
89280b1a UH |
651 | if (sr_scpi_get_float(sdi->conn, |
652 | (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS], | |
422a1c0d | 653 | &tmp_float) != SR_OK) |
13f2b9d7 | 654 | return SR_ERR; |
422a1c0d DJ |
655 | state->horiz_triggerpos = tmp_float / |
656 | (((double) (*config->timebases)[state->timebase][0] / | |
657 | (*config->timebases)[state->timebase][1]) * config->num_xdivs); | |
658 | state->horiz_triggerpos -= 0.5; | |
659 | state->horiz_triggerpos *= -1; | |
13f2b9d7 | 660 | |
89280b1a UH |
661 | if (scope_state_get_array_option(sdi->conn, |
662 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE], | |
663 | config->trigger_sources, &state->trigger_source) != SR_OK) | |
13f2b9d7 DJ |
664 | return SR_ERR; |
665 | ||
89280b1a UH |
666 | if (scope_state_get_array_option(sdi->conn, |
667 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE], | |
668 | config->trigger_slopes, &state->trigger_slope) != SR_OK) | |
13f2b9d7 DJ |
669 | return SR_ERR; |
670 | ||
14a2f74d DJ |
671 | if (hmo_update_sample_rate(sdi) != SR_OK) |
672 | return SR_ERR; | |
673 | ||
8de2dc3b DJ |
674 | sr_info("Fetching finished."); |
675 | ||
13f2b9d7 DJ |
676 | scope_state_dump(config, state); |
677 | ||
678 | return SR_OK; | |
679 | } | |
680 | ||
329733d9 | 681 | static struct scope_state *scope_state_new(const struct scope_config *config) |
13f2b9d7 DJ |
682 | { |
683 | struct scope_state *state; | |
684 | ||
a95f142e UH |
685 | state = g_malloc0(sizeof(struct scope_state)); |
686 | state->analog_channels = g_malloc0_n(config->analog_channels, | |
687 | sizeof(struct analog_channel_state)); | |
688 | state->digital_channels = g_malloc0_n( | |
689 | config->digital_channels, sizeof(gboolean)); | |
690 | state->digital_pods = g_malloc0_n(config->digital_pods, | |
691 | sizeof(gboolean)); | |
13f2b9d7 DJ |
692 | |
693 | return state; | |
13f2b9d7 DJ |
694 | } |
695 | ||
719eff68 | 696 | SR_PRIV void hmo_scope_state_free(struct scope_state *state) |
13f2b9d7 DJ |
697 | { |
698 | g_free(state->analog_channels); | |
699 | g_free(state->digital_channels); | |
700 | g_free(state->digital_pods); | |
701 | g_free(state); | |
702 | } | |
703 | ||
704 | SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi) | |
705 | { | |
706 | char tmp[25]; | |
707 | int model_index; | |
2d224dba | 708 | unsigned int i, j, group; |
ba7dd8bb | 709 | struct sr_channel *ch; |
13f2b9d7 DJ |
710 | struct dev_context *devc; |
711 | ||
712 | devc = sdi->priv; | |
713 | model_index = -1; | |
714 | ||
89280b1a | 715 | /* Find the exact model. */ |
13f2b9d7 DJ |
716 | for (i = 0; i < ARRAY_SIZE(scope_models); i++) { |
717 | for (j = 0; scope_models[i].name[j]; j++) { | |
718 | if (!strcmp(sdi->model, scope_models[i].name[j])) { | |
719 | model_index = i; | |
720 | break; | |
721 | } | |
722 | } | |
723 | if (model_index != -1) | |
724 | break; | |
725 | } | |
726 | ||
727 | if (model_index == -1) { | |
89280b1a | 728 | sr_dbg("Unsupported HMO device."); |
13f2b9d7 DJ |
729 | return SR_ERR_NA; |
730 | } | |
731 | ||
562b7ae5 SA |
732 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
733 | scope_models[model_index].analog_channels); | |
13f2b9d7 | 734 | |
562b7ae5 SA |
735 | devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
736 | scope_models[model_index].digital_pods); | |
13f2b9d7 | 737 | |
89280b1a | 738 | /* Add analog channels. */ |
13f2b9d7 | 739 | for (i = 0; i < scope_models[model_index].analog_channels; i++) { |
5e23fcab | 740 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, |
c368e6f3 | 741 | (*scope_models[model_index].analog_names)[i]); |
13f2b9d7 | 742 | |
562b7ae5 SA |
743 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
744 | ||
745 | devc->analog_groups[i]->name = g_strdup( | |
746 | (char *)(*scope_models[model_index].analog_names)[i]); | |
747 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); | |
13f2b9d7 | 748 | |
660e398f | 749 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
562b7ae5 | 750 | devc->analog_groups[i]); |
13f2b9d7 DJ |
751 | } |
752 | ||
660e398f | 753 | /* Add digital channel groups. */ |
0a1f7b09 | 754 | for (i = 0; i < scope_models[model_index].digital_pods; i++) { |
13f2b9d7 | 755 | g_snprintf(tmp, 25, "POD%d", i); |
562b7ae5 SA |
756 | |
757 | devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); | |
758 | ||
759 | devc->digital_groups[i]->name = g_strdup(tmp); | |
660e398f | 760 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
2d224dba | 761 | devc->digital_groups[i]); |
13f2b9d7 DJ |
762 | } |
763 | ||
89280b1a | 764 | /* Add digital channels. */ |
13f2b9d7 | 765 | for (i = 0; i < scope_models[model_index].digital_channels; i++) { |
5e23fcab | 766 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, |
c368e6f3 | 767 | (*scope_models[model_index].digital_names)[i]); |
13f2b9d7 | 768 | |
2d224dba GS |
769 | group = i / 8; |
770 | devc->digital_groups[group]->channels = g_slist_append( | |
771 | devc->digital_groups[group]->channels, ch); | |
13f2b9d7 DJ |
772 | } |
773 | ||
774 | devc->model_config = &scope_models[model_index]; | |
775 | devc->frame_limit = 0; | |
776 | ||
777 | if (!(devc->model_state = scope_state_new(devc->model_config))) | |
778 | return SR_ERR_MALLOC; | |
779 | ||
780 | return SR_OK; | |
781 | } | |
782 | ||
719eff68 | 783 | SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data) |
06a3e78a | 784 | { |
ba7dd8bb | 785 | struct sr_channel *ch; |
13f2b9d7 | 786 | struct sr_dev_inst *sdi; |
06a3e78a | 787 | struct dev_context *devc; |
401b83a1 | 788 | struct scope_state *state; |
13f2b9d7 | 789 | struct sr_datafeed_packet packet; |
401b83a1 SB |
790 | GByteArray *data; |
791 | struct sr_datafeed_analog analog; | |
792 | struct sr_analog_encoding encoding; | |
793 | struct sr_analog_meaning meaning; | |
794 | struct sr_analog_spec spec; | |
89280b1a | 795 | struct sr_datafeed_logic logic; |
06a3e78a DJ |
796 | |
797 | (void)fd; | |
f0729866 | 798 | (void)revents; |
06a3e78a | 799 | |
f62f595b MK |
800 | data = NULL; |
801 | ||
06a3e78a DJ |
802 | if (!(sdi = cb_data)) |
803 | return TRUE; | |
804 | ||
805 | if (!(devc = sdi->priv)) | |
806 | return TRUE; | |
807 | ||
f4f273ce SB |
808 | /* Although this is correct in general, the USBTMC libusb implementation |
809 | * currently does not generate an event prior to the first read. Often | |
810 | * it is ok to start reading just after the 50ms timeout. See bug #785. | |
dc89faea UH |
811 | if (revents != G_IO_IN) |
812 | return TRUE; | |
f4f273ce | 813 | */ |
13f2b9d7 | 814 | |
dc89faea | 815 | ch = devc->current_channel->data; |
401b83a1 | 816 | state = devc->model_state; |
13f2b9d7 | 817 | |
dc89faea UH |
818 | switch (ch->type) { |
819 | case SR_CHANNEL_ANALOG: | |
401b83a1 | 820 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
dc89faea | 821 | if (data) |
401b83a1 | 822 | g_byte_array_free(data, TRUE); |
13f2b9d7 | 823 | |
dc89faea | 824 | return TRUE; |
13f2b9d7 DJ |
825 | } |
826 | ||
dc89faea | 827 | packet.type = SR_DF_FRAME_BEGIN; |
13f2b9d7 DJ |
828 | sr_session_send(sdi, &packet); |
829 | ||
401b83a1 SB |
830 | packet.type = SR_DF_ANALOG; |
831 | ||
832 | analog.data = data->data; | |
833 | analog.num_samples = data->len / sizeof(float); | |
834 | analog.encoding = &encoding; | |
835 | analog.meaning = &meaning; | |
836 | analog.spec = &spec; | |
837 | ||
838 | encoding.unitsize = sizeof(float); | |
839 | encoding.is_signed = TRUE; | |
840 | encoding.is_float = TRUE; | |
d431e4ec GS |
841 | /* Assume LE format when unknown for backwards compat. */ |
842 | encoding.is_bigendian = (state->byteorder == 'b') ? TRUE : FALSE; | |
7dcaddd3 UH |
843 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
844 | encoding.digits = 2; | |
401b83a1 SB |
845 | encoding.is_digits_decimal = FALSE; |
846 | encoding.scale.p = 1; | |
847 | encoding.scale.q = 1; | |
848 | encoding.offset.p = 0; | |
849 | encoding.offset.q = 1; | |
850 | if (state->analog_channels[ch->index].probe_unit == 'V') { | |
851 | meaning.mq = SR_MQ_VOLTAGE; | |
852 | meaning.unit = SR_UNIT_VOLT; | |
853 | } else { | |
854 | meaning.mq = SR_MQ_CURRENT; | |
855 | meaning.unit = SR_UNIT_AMPERE; | |
856 | } | |
857 | meaning.mqflags = 0; | |
858 | meaning.channels = g_slist_append(NULL, ch); | |
7dcaddd3 UH |
859 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
860 | spec.spec_digits = 2; | |
dc89faea | 861 | packet.payload = &analog; |
695dc859 | 862 | sr_session_send(sdi, &packet); |
401b83a1 SB |
863 | g_slist_free(meaning.channels); |
864 | g_byte_array_free(data, TRUE); | |
dc89faea UH |
865 | data = NULL; |
866 | break; | |
867 | case SR_CHANNEL_LOGIC: | |
401b83a1 | 868 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
dc89faea UH |
869 | g_free(data); |
870 | return TRUE; | |
13f2b9d7 | 871 | } |
dc89faea UH |
872 | |
873 | packet.type = SR_DF_FRAME_BEGIN; | |
874 | sr_session_send(sdi, &packet); | |
875 | ||
876 | logic.length = data->len; | |
877 | logic.unitsize = 1; | |
878 | logic.data = data->data; | |
879 | packet.type = SR_DF_LOGIC; | |
880 | packet.payload = &logic; | |
695dc859 | 881 | sr_session_send(sdi, &packet); |
401b83a1 | 882 | g_byte_array_free(data, TRUE); |
dc89faea UH |
883 | data = NULL; |
884 | break; | |
885 | default: | |
886 | sr_err("Invalid channel type."); | |
887 | break; | |
888 | } | |
889 | ||
890 | packet.type = SR_DF_FRAME_END; | |
891 | sr_session_send(sdi, &packet); | |
892 | ||
893 | if (devc->current_channel->next) { | |
894 | devc->current_channel = devc->current_channel->next; | |
895 | hmo_request_data(sdi); | |
896 | } else if (++devc->num_frames == devc->frame_limit) { | |
695dc859 | 897 | sdi->driver->dev_acquisition_stop(sdi); |
dc89faea UH |
898 | } else { |
899 | devc->current_channel = devc->enabled_channels; | |
900 | hmo_request_data(sdi); | |
06a3e78a DJ |
901 | } |
902 | ||
903 | return TRUE; | |
904 | } |