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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 | ||
126 | static const uint64_t hmo_timebases[][2] = { | |
127 | /* nanoseconds */ | |
128 | { 2, 1000000000 }, | |
129 | { 5, 1000000000 }, | |
130 | { 10, 1000000000 }, | |
131 | { 20, 1000000000 }, | |
132 | { 50, 1000000000 }, | |
133 | { 100, 1000000000 }, | |
134 | { 200, 1000000000 }, | |
135 | { 500, 1000000000 }, | |
136 | /* microseconds */ | |
137 | { 1, 1000000 }, | |
138 | { 2, 1000000 }, | |
139 | { 5, 1000000 }, | |
140 | { 10, 1000000 }, | |
141 | { 20, 1000000 }, | |
142 | { 50, 1000000 }, | |
143 | { 100, 1000000 }, | |
144 | { 200, 1000000 }, | |
145 | { 500, 1000000 }, | |
146 | /* milliseconds */ | |
147 | { 1, 1000 }, | |
148 | { 2, 1000 }, | |
149 | { 5, 1000 }, | |
150 | { 10, 1000 }, | |
151 | { 20, 1000 }, | |
152 | { 50, 1000 }, | |
153 | { 100, 1000 }, | |
154 | { 200, 1000 }, | |
155 | { 500, 1000 }, | |
156 | /* seconds */ | |
157 | { 1, 1 }, | |
158 | { 2, 1 }, | |
159 | { 5, 1 }, | |
160 | { 10, 1 }, | |
161 | { 20, 1 }, | |
162 | { 50, 1 }, | |
163 | }; | |
164 | ||
165 | static const uint64_t hmo_vdivs[][2] = { | |
166 | /* millivolts */ | |
167 | { 1, 1000 }, | |
168 | { 2, 1000 }, | |
169 | { 5, 1000 }, | |
170 | { 10, 1000 }, | |
171 | { 20, 1000 }, | |
172 | { 50, 1000 }, | |
173 | { 100, 1000 }, | |
174 | { 200, 1000 }, | |
175 | { 500, 1000 }, | |
176 | /* volts */ | |
177 | { 1, 1 }, | |
178 | { 2, 1 }, | |
179 | { 5, 1 }, | |
180 | { 10, 1 }, | |
fe227d17 SA |
181 | { 20, 1 }, |
182 | { 50, 1 }, | |
13f2b9d7 DJ |
183 | }; |
184 | ||
ba7dd8bb | 185 | static const char *scope_analog_channel_names[] = { |
13f2b9d7 DJ |
186 | "CH1", |
187 | "CH2", | |
188 | "CH3", | |
189 | "CH4", | |
190 | }; | |
191 | ||
ba7dd8bb | 192 | static const char *scope_digital_channel_names[] = { |
13f2b9d7 DJ |
193 | "D0", |
194 | "D1", | |
195 | "D2", | |
196 | "D3", | |
197 | "D4", | |
198 | "D5", | |
199 | "D6", | |
200 | "D7", | |
201 | "D8", | |
202 | "D9", | |
203 | "D10", | |
204 | "D11", | |
205 | "D12", | |
206 | "D13", | |
207 | "D14", | |
208 | "D15", | |
209 | }; | |
210 | ||
329733d9 | 211 | static const struct scope_config scope_models[] = { |
13f2b9d7 | 212 | { |
e786b194 | 213 | /* HMO2522/3032/3042/3052 support 16 digital channels but they're not supported yet. */ |
da1726cc | 214 | .name = {"HMO1002", "HMO722", "HMO1022", "HMO1522", "HMO2022", "HMO2522", |
e786b194 | 215 | "HMO3032", "HMO3042", "HMO3052", NULL}, |
13f2b9d7 DJ |
216 | .analog_channels = 2, |
217 | .digital_channels = 8, | |
218 | .digital_pods = 1, | |
219 | ||
ba7dd8bb UH |
220 | .analog_names = &scope_analog_channel_names, |
221 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 222 | |
f254bc4b BV |
223 | .devopts = &hmo_devopts, |
224 | .num_devopts = ARRAY_SIZE(hmo_devopts), | |
13f2b9d7 | 225 | |
f254bc4b BV |
226 | .analog_devopts = &hmo_analog_devopts, |
227 | .num_analog_devopts = ARRAY_SIZE(hmo_analog_devopts), | |
13f2b9d7 DJ |
228 | |
229 | .coupling_options = &hmo_coupling_options, | |
230 | .trigger_sources = &hmo_compact2_trigger_sources, | |
231 | .trigger_slopes = &scope_trigger_slopes, | |
232 | ||
233 | .timebases = &hmo_timebases, | |
234 | .num_timebases = ARRAY_SIZE(hmo_timebases), | |
235 | ||
236 | .vdivs = &hmo_vdivs, | |
237 | .num_vdivs = ARRAY_SIZE(hmo_vdivs), | |
238 | ||
239 | .num_xdivs = 12, | |
240 | .num_ydivs = 8, | |
241 | ||
242 | .scpi_dialect = &hameg_scpi_dialect, | |
243 | }, | |
244 | { | |
e786b194 SA |
245 | /* HMO2524/3034/3044/3054 support 16 digital channels but they're not supported yet. */ |
246 | .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", "HMO2524", | |
247 | "HMO3034", "HMO3044", "HMO3054", NULL}, | |
13f2b9d7 DJ |
248 | .analog_channels = 4, |
249 | .digital_channels = 8, | |
250 | .digital_pods = 1, | |
251 | ||
ba7dd8bb UH |
252 | .analog_names = &scope_analog_channel_names, |
253 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 254 | |
f254bc4b BV |
255 | .devopts = &hmo_devopts, |
256 | .num_devopts = ARRAY_SIZE(hmo_devopts), | |
13f2b9d7 | 257 | |
f254bc4b BV |
258 | .analog_devopts = &hmo_analog_devopts, |
259 | .num_analog_devopts = ARRAY_SIZE(hmo_analog_devopts), | |
13f2b9d7 DJ |
260 | |
261 | .coupling_options = &hmo_coupling_options, | |
262 | .trigger_sources = &hmo_compact4_trigger_sources, | |
263 | .trigger_slopes = &scope_trigger_slopes, | |
264 | ||
265 | .timebases = &hmo_timebases, | |
266 | .num_timebases = ARRAY_SIZE(hmo_timebases), | |
267 | ||
268 | .vdivs = &hmo_vdivs, | |
269 | .num_vdivs = ARRAY_SIZE(hmo_vdivs), | |
270 | ||
271 | .num_xdivs = 12, | |
272 | .num_ydivs = 8, | |
273 | ||
274 | .scpi_dialect = &hameg_scpi_dialect, | |
275 | }, | |
276 | }; | |
277 | ||
329733d9 | 278 | static void scope_state_dump(const struct scope_config *config, |
13f2b9d7 DJ |
279 | struct scope_state *state) |
280 | { | |
281 | unsigned int i; | |
8de2dc3b | 282 | char *tmp; |
13f2b9d7 | 283 | |
0a1f7b09 | 284 | for (i = 0; i < config->analog_channels; i++) { |
8de2dc3b DJ |
285 | tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0], |
286 | (*config->vdivs)[state->analog_channels[i].vdiv][1]); | |
287 | sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)", | |
288 | i + 1, state->analog_channels[i].state ? "On" : "Off", | |
13f2b9d7 | 289 | (*config->coupling_options)[state->analog_channels[i].coupling], |
8de2dc3b | 290 | tmp, state->analog_channels[i].vertical_offset); |
13f2b9d7 DJ |
291 | } |
292 | ||
0a1f7b09 | 293 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
294 | sr_info("State of digital channel %d -> %s", i, |
295 | state->digital_channels[i] ? "On" : "Off"); | |
296 | } | |
297 | ||
0a1f7b09 | 298 | for (i = 0; i < config->digital_pods; i++) { |
13f2b9d7 DJ |
299 | sr_info("State of digital POD %d -> %s", i, |
300 | state->digital_pods[i] ? "On" : "Off"); | |
301 | } | |
302 | ||
8de2dc3b DJ |
303 | tmp = sr_period_string((*config->timebases)[state->timebase][0] * |
304 | (*config->timebases)[state->timebase][1]); | |
305 | sr_info("Current timebase: %s", tmp); | |
306 | g_free(tmp); | |
307 | ||
14a2f74d DJ |
308 | tmp = sr_samplerate_string(state->sample_rate); |
309 | sr_info("Current samplerate: %s", tmp); | |
310 | g_free(tmp); | |
311 | ||
422a1c0d | 312 | sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)", |
13f2b9d7 DJ |
313 | (*config->trigger_sources)[state->trigger_source], |
314 | (*config->trigger_slopes)[state->trigger_slope], | |
315 | state->horiz_triggerpos); | |
316 | } | |
317 | ||
23f43dff | 318 | static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi, |
89280b1a | 319 | const char *command, const char *(*array)[], int *result) |
13f2b9d7 DJ |
320 | { |
321 | char *tmp; | |
322 | unsigned int i; | |
323 | ||
23f43dff | 324 | if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) { |
89280b1a | 325 | g_free(tmp); |
13f2b9d7 DJ |
326 | return SR_ERR; |
327 | } | |
328 | ||
0a1f7b09 | 329 | for (i = 0; (*array)[i]; i++) { |
13f2b9d7 DJ |
330 | if (!g_strcmp0(tmp, (*array)[i])) { |
331 | *result = i; | |
332 | g_free(tmp); | |
333 | tmp = NULL; | |
334 | break; | |
335 | } | |
336 | } | |
337 | ||
338 | if (tmp) { | |
339 | g_free(tmp); | |
340 | return SR_ERR; | |
341 | } | |
342 | ||
343 | return SR_OK; | |
344 | } | |
345 | ||
8fff7519 | 346 | /** |
a53acd7d SB |
347 | * This function takes a value of the form "2.000E-03" and returns the index |
348 | * of an array where a matching pair was found. | |
8fff7519 SA |
349 | * |
350 | * @param value The string to be parsed. | |
351 | * @param array The array of s/f pairs. | |
352 | * @param array_len The number of pairs in the array. | |
353 | * @param result The index at which a matching pair was found. | |
354 | * | |
355 | * @return SR_ERR on any parsing error, SR_OK otherwise. | |
356 | */ | |
357 | static int array_float_get(gchar *value, const uint64_t array[][2], | |
650847e7 | 358 | int array_len, unsigned int *result) |
8fff7519 | 359 | { |
a53acd7d SB |
360 | struct sr_rational rval; |
361 | struct sr_rational aval; | |
8cccbac8 | 362 | |
a53acd7d | 363 | if (sr_parse_rational(value, &rval) != SR_OK) |
8fff7519 SA |
364 | return SR_ERR; |
365 | ||
a53acd7d SB |
366 | for (int i = 0; i < array_len; i++) { |
367 | sr_rational_set(&aval, array[i][0], array[i][1]); | |
368 | if (sr_rational_eq(&rval, &aval)) { | |
8fff7519 SA |
369 | *result = i; |
370 | return SR_OK; | |
371 | } | |
372 | } | |
373 | ||
374 | return SR_ERR; | |
375 | } | |
376 | ||
23f43dff | 377 | static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi, |
329733d9 | 378 | const struct scope_config *config, |
13f2b9d7 DJ |
379 | struct scope_state *state) |
380 | { | |
8de2dc3b | 381 | unsigned int i, j; |
13f2b9d7 | 382 | char command[MAX_COMMAND_SIZE]; |
8fff7519 | 383 | char *tmp_str; |
13f2b9d7 | 384 | |
0a1f7b09 | 385 | for (i = 0; i < config->analog_channels; i++) { |
13f2b9d7 DJ |
386 | g_snprintf(command, sizeof(command), |
387 | (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE], | |
388 | i + 1); | |
389 | ||
23f43dff | 390 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
391 | &state->analog_channels[i].state) != SR_OK) |
392 | return SR_ERR; | |
393 | ||
394 | g_snprintf(command, sizeof(command), | |
395 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV], | |
396 | i + 1); | |
397 | ||
8fff7519 | 398 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) |
8de2dc3b | 399 | return SR_ERR; |
8fff7519 SA |
400 | |
401 | if (array_float_get(tmp_str, hmo_vdivs, ARRAY_SIZE(hmo_vdivs), | |
402 | &j) != SR_OK) { | |
403 | g_free(tmp_str); | |
b4e31d2a | 404 | sr_err("Could not determine array index for vertical div scale."); |
13f2b9d7 | 405 | return SR_ERR; |
b4e31d2a | 406 | } |
13f2b9d7 | 407 | |
8fff7519 SA |
408 | g_free(tmp_str); |
409 | state->analog_channels[i].vdiv = j; | |
410 | ||
13f2b9d7 DJ |
411 | g_snprintf(command, sizeof(command), |
412 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET], | |
413 | i + 1); | |
414 | ||
23f43dff | 415 | if (sr_scpi_get_float(scpi, command, |
13f2b9d7 DJ |
416 | &state->analog_channels[i].vertical_offset) != SR_OK) |
417 | return SR_ERR; | |
418 | ||
419 | g_snprintf(command, sizeof(command), | |
420 | (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING], | |
421 | i + 1); | |
422 | ||
23f43dff | 423 | if (scope_state_get_array_option(scpi, command, config->coupling_options, |
13f2b9d7 DJ |
424 | &state->analog_channels[i].coupling) != SR_OK) |
425 | return SR_ERR; | |
448e81b1 SB |
426 | |
427 | g_snprintf(command, sizeof(command), | |
428 | (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT], | |
429 | i + 1); | |
430 | ||
431 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) | |
432 | return SR_ERR; | |
433 | ||
434 | if (tmp_str[0] == 'A') | |
435 | state->analog_channels[i].probe_unit = 'A'; | |
436 | else | |
437 | state->analog_channels[i].probe_unit = 'V'; | |
438 | g_free(tmp_str); | |
13f2b9d7 DJ |
439 | } |
440 | ||
441 | return SR_OK; | |
442 | } | |
443 | ||
23f43dff | 444 | static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi, |
329733d9 | 445 | const struct scope_config *config, |
13f2b9d7 DJ |
446 | struct scope_state *state) |
447 | { | |
448 | unsigned int i; | |
449 | char command[MAX_COMMAND_SIZE]; | |
450 | ||
0a1f7b09 | 451 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
452 | g_snprintf(command, sizeof(command), |
453 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE], | |
454 | i); | |
455 | ||
23f43dff | 456 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
457 | &state->digital_channels[i]) != SR_OK) |
458 | return SR_ERR; | |
459 | } | |
460 | ||
0a1f7b09 | 461 | for (i = 0; i < config->digital_pods; i++) { |
13f2b9d7 DJ |
462 | g_snprintf(command, sizeof(command), |
463 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE], | |
464 | i + 1); | |
465 | ||
23f43dff | 466 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
467 | &state->digital_pods[i]) != SR_OK) |
468 | return SR_ERR; | |
469 | } | |
470 | ||
471 | return SR_OK; | |
472 | } | |
473 | ||
14a2f74d DJ |
474 | SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi) |
475 | { | |
476 | struct dev_context *devc; | |
477 | struct scope_state *state; | |
329733d9 | 478 | const struct scope_config *config; |
14a2f74d DJ |
479 | |
480 | int tmp; | |
481 | unsigned int i; | |
482 | float tmp_float; | |
483 | gboolean channel_found; | |
484 | char tmp_str[MAX_COMMAND_SIZE]; | |
485 | char chan_name[20]; | |
486 | ||
487 | devc = sdi->priv; | |
488 | config = devc->model_config; | |
489 | state = devc->model_state; | |
490 | channel_found = FALSE; | |
491 | ||
0a1f7b09 | 492 | for (i = 0; i < config->analog_channels; i++) { |
14a2f74d DJ |
493 | if (state->analog_channels[i].state) { |
494 | g_snprintf(chan_name, sizeof(chan_name), "CHAN%d", i + 1); | |
495 | g_snprintf(tmp_str, sizeof(tmp_str), | |
496 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
497 | chan_name); | |
498 | channel_found = TRUE; | |
499 | break; | |
500 | } | |
501 | } | |
502 | ||
503 | if (!channel_found) { | |
504 | for (i = 0; i < config->digital_pods; i++) { | |
505 | if (state->digital_pods[i]) { | |
506 | g_snprintf(chan_name, sizeof(chan_name), "POD%d", i); | |
507 | g_snprintf(tmp_str, sizeof(tmp_str), | |
508 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
509 | chan_name); | |
510 | channel_found = TRUE; | |
511 | break; | |
512 | } | |
513 | } | |
514 | } | |
515 | ||
516 | /* No channel is active, ask the instrument for the sample rate | |
517 | * in single shot mode */ | |
518 | if (!channel_found) { | |
c06c24d2 DJ |
519 | if (sr_scpi_get_float(sdi->conn, |
520 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE], | |
521 | &tmp_float) != SR_OK) | |
14a2f74d | 522 | return SR_ERR; |
c06c24d2 | 523 | |
14a2f74d DJ |
524 | state->sample_rate = tmp_float; |
525 | } else { | |
526 | if (sr_scpi_get_int(sdi->conn, tmp_str, &tmp) != SR_OK) | |
527 | return SR_ERR; | |
528 | state->sample_rate = tmp / (((float) (*config->timebases)[state->timebase][0] / | |
529 | (*config->timebases)[state->timebase][1]) * | |
530 | config->num_xdivs); | |
531 | } | |
532 | ||
533 | return SR_OK; | |
534 | } | |
535 | ||
719eff68 | 536 | SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
537 | { |
538 | struct dev_context *devc; | |
539 | struct scope_state *state; | |
329733d9 | 540 | const struct scope_config *config; |
8de2dc3b DJ |
541 | float tmp_float; |
542 | unsigned int i; | |
8cccbac8 | 543 | char *tmp_str; |
13f2b9d7 DJ |
544 | |
545 | devc = sdi->priv; | |
546 | config = devc->model_config; | |
547 | state = devc->model_state; | |
548 | ||
8de2dc3b DJ |
549 | sr_info("Fetching scope state"); |
550 | ||
13f2b9d7 DJ |
551 | if (analog_channel_state_get(sdi->conn, config, state) != SR_OK) |
552 | return SR_ERR; | |
553 | ||
554 | if (digital_channel_state_get(sdi->conn, config, state) != SR_OK) | |
555 | return SR_ERR; | |
556 | ||
89280b1a UH |
557 | if (sr_scpi_get_float(sdi->conn, |
558 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
8de2dc3b DJ |
559 | &tmp_float) != SR_OK) |
560 | return SR_ERR; | |
561 | ||
8cccbac8 SA |
562 | if (sr_scpi_get_string(sdi->conn, |
563 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
564 | &tmp_str) != SR_OK) | |
565 | return SR_ERR; | |
566 | ||
567 | if (array_float_get(tmp_str, hmo_timebases, ARRAY_SIZE(hmo_timebases), | |
568 | &i) != SR_OK) { | |
569 | g_free(tmp_str); | |
b4e31d2a | 570 | sr_err("Could not determine array index for time base."); |
13f2b9d7 | 571 | return SR_ERR; |
b4e31d2a | 572 | } |
e5b7eef7 | 573 | g_free(tmp_str); |
13f2b9d7 | 574 | |
8cccbac8 SA |
575 | state->timebase = i; |
576 | ||
89280b1a UH |
577 | if (sr_scpi_get_float(sdi->conn, |
578 | (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS], | |
422a1c0d | 579 | &tmp_float) != SR_OK) |
13f2b9d7 | 580 | return SR_ERR; |
422a1c0d DJ |
581 | state->horiz_triggerpos = tmp_float / |
582 | (((double) (*config->timebases)[state->timebase][0] / | |
583 | (*config->timebases)[state->timebase][1]) * config->num_xdivs); | |
584 | state->horiz_triggerpos -= 0.5; | |
585 | state->horiz_triggerpos *= -1; | |
13f2b9d7 | 586 | |
89280b1a UH |
587 | if (scope_state_get_array_option(sdi->conn, |
588 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE], | |
589 | config->trigger_sources, &state->trigger_source) != SR_OK) | |
13f2b9d7 DJ |
590 | return SR_ERR; |
591 | ||
89280b1a UH |
592 | if (scope_state_get_array_option(sdi->conn, |
593 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE], | |
594 | config->trigger_slopes, &state->trigger_slope) != SR_OK) | |
13f2b9d7 DJ |
595 | return SR_ERR; |
596 | ||
14a2f74d DJ |
597 | if (hmo_update_sample_rate(sdi) != SR_OK) |
598 | return SR_ERR; | |
599 | ||
8de2dc3b DJ |
600 | sr_info("Fetching finished."); |
601 | ||
13f2b9d7 DJ |
602 | scope_state_dump(config, state); |
603 | ||
604 | return SR_OK; | |
605 | } | |
606 | ||
329733d9 | 607 | static struct scope_state *scope_state_new(const struct scope_config *config) |
13f2b9d7 DJ |
608 | { |
609 | struct scope_state *state; | |
610 | ||
a95f142e UH |
611 | state = g_malloc0(sizeof(struct scope_state)); |
612 | state->analog_channels = g_malloc0_n(config->analog_channels, | |
613 | sizeof(struct analog_channel_state)); | |
614 | state->digital_channels = g_malloc0_n( | |
615 | config->digital_channels, sizeof(gboolean)); | |
616 | state->digital_pods = g_malloc0_n(config->digital_pods, | |
617 | sizeof(gboolean)); | |
13f2b9d7 DJ |
618 | |
619 | return state; | |
13f2b9d7 DJ |
620 | } |
621 | ||
719eff68 | 622 | SR_PRIV void hmo_scope_state_free(struct scope_state *state) |
13f2b9d7 DJ |
623 | { |
624 | g_free(state->analog_channels); | |
625 | g_free(state->digital_channels); | |
626 | g_free(state->digital_pods); | |
627 | g_free(state); | |
628 | } | |
629 | ||
630 | SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi) | |
631 | { | |
632 | char tmp[25]; | |
633 | int model_index; | |
89280b1a | 634 | unsigned int i, j; |
ba7dd8bb | 635 | struct sr_channel *ch; |
13f2b9d7 DJ |
636 | struct dev_context *devc; |
637 | ||
638 | devc = sdi->priv; | |
639 | model_index = -1; | |
640 | ||
89280b1a | 641 | /* Find the exact model. */ |
13f2b9d7 DJ |
642 | for (i = 0; i < ARRAY_SIZE(scope_models); i++) { |
643 | for (j = 0; scope_models[i].name[j]; j++) { | |
644 | if (!strcmp(sdi->model, scope_models[i].name[j])) { | |
645 | model_index = i; | |
646 | break; | |
647 | } | |
648 | } | |
649 | if (model_index != -1) | |
650 | break; | |
651 | } | |
652 | ||
653 | if (model_index == -1) { | |
89280b1a | 654 | sr_dbg("Unsupported HMO device."); |
13f2b9d7 DJ |
655 | return SR_ERR_NA; |
656 | } | |
657 | ||
562b7ae5 SA |
658 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
659 | scope_models[model_index].analog_channels); | |
13f2b9d7 | 660 | |
562b7ae5 SA |
661 | devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
662 | scope_models[model_index].digital_pods); | |
13f2b9d7 | 663 | |
89280b1a | 664 | /* Add analog channels. */ |
13f2b9d7 | 665 | for (i = 0; i < scope_models[model_index].analog_channels; i++) { |
5e23fcab | 666 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, |
c368e6f3 | 667 | (*scope_models[model_index].analog_names)[i]); |
13f2b9d7 | 668 | |
562b7ae5 SA |
669 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
670 | ||
671 | devc->analog_groups[i]->name = g_strdup( | |
672 | (char *)(*scope_models[model_index].analog_names)[i]); | |
673 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); | |
13f2b9d7 | 674 | |
660e398f | 675 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
562b7ae5 | 676 | devc->analog_groups[i]); |
13f2b9d7 DJ |
677 | } |
678 | ||
660e398f | 679 | /* Add digital channel groups. */ |
0a1f7b09 | 680 | for (i = 0; i < scope_models[model_index].digital_pods; i++) { |
13f2b9d7 | 681 | g_snprintf(tmp, 25, "POD%d", i); |
562b7ae5 SA |
682 | |
683 | devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); | |
684 | ||
685 | devc->digital_groups[i]->name = g_strdup(tmp); | |
660e398f | 686 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
562b7ae5 | 687 | devc->digital_groups[i < 8 ? 0 : 1]); |
13f2b9d7 DJ |
688 | } |
689 | ||
89280b1a | 690 | /* Add digital channels. */ |
13f2b9d7 | 691 | for (i = 0; i < scope_models[model_index].digital_channels; i++) { |
5e23fcab | 692 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, |
c368e6f3 | 693 | (*scope_models[model_index].digital_names)[i]); |
13f2b9d7 | 694 | |
562b7ae5 SA |
695 | devc->digital_groups[i < 8 ? 0 : 1]->channels = g_slist_append( |
696 | devc->digital_groups[i < 8 ? 0 : 1]->channels, ch); | |
13f2b9d7 DJ |
697 | } |
698 | ||
699 | devc->model_config = &scope_models[model_index]; | |
700 | devc->frame_limit = 0; | |
701 | ||
702 | if (!(devc->model_state = scope_state_new(devc->model_config))) | |
703 | return SR_ERR_MALLOC; | |
704 | ||
705 | return SR_OK; | |
706 | } | |
707 | ||
719eff68 | 708 | SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data) |
06a3e78a | 709 | { |
ba7dd8bb | 710 | struct sr_channel *ch; |
13f2b9d7 | 711 | struct sr_dev_inst *sdi; |
06a3e78a | 712 | struct dev_context *devc; |
401b83a1 | 713 | struct scope_state *state; |
13f2b9d7 | 714 | struct sr_datafeed_packet packet; |
401b83a1 SB |
715 | GByteArray *data; |
716 | struct sr_datafeed_analog analog; | |
717 | struct sr_analog_encoding encoding; | |
718 | struct sr_analog_meaning meaning; | |
719 | struct sr_analog_spec spec; | |
89280b1a | 720 | struct sr_datafeed_logic logic; |
06a3e78a DJ |
721 | |
722 | (void)fd; | |
f0729866 | 723 | (void)revents; |
06a3e78a | 724 | |
f62f595b MK |
725 | data = NULL; |
726 | ||
06a3e78a DJ |
727 | if (!(sdi = cb_data)) |
728 | return TRUE; | |
729 | ||
730 | if (!(devc = sdi->priv)) | |
731 | return TRUE; | |
732 | ||
f4f273ce SB |
733 | /* Although this is correct in general, the USBTMC libusb implementation |
734 | * currently does not generate an event prior to the first read. Often | |
735 | * it is ok to start reading just after the 50ms timeout. See bug #785. | |
dc89faea UH |
736 | if (revents != G_IO_IN) |
737 | return TRUE; | |
f4f273ce | 738 | */ |
13f2b9d7 | 739 | |
dc89faea | 740 | ch = devc->current_channel->data; |
401b83a1 | 741 | state = devc->model_state; |
13f2b9d7 | 742 | |
dc89faea UH |
743 | switch (ch->type) { |
744 | case SR_CHANNEL_ANALOG: | |
401b83a1 | 745 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
dc89faea | 746 | if (data) |
401b83a1 | 747 | g_byte_array_free(data, TRUE); |
13f2b9d7 | 748 | |
dc89faea | 749 | return TRUE; |
13f2b9d7 DJ |
750 | } |
751 | ||
dc89faea | 752 | packet.type = SR_DF_FRAME_BEGIN; |
13f2b9d7 DJ |
753 | sr_session_send(sdi, &packet); |
754 | ||
401b83a1 SB |
755 | packet.type = SR_DF_ANALOG; |
756 | ||
757 | analog.data = data->data; | |
758 | analog.num_samples = data->len / sizeof(float); | |
759 | analog.encoding = &encoding; | |
760 | analog.meaning = &meaning; | |
761 | analog.spec = &spec; | |
762 | ||
763 | encoding.unitsize = sizeof(float); | |
764 | encoding.is_signed = TRUE; | |
765 | encoding.is_float = TRUE; | |
766 | encoding.is_bigendian = FALSE; | |
767 | encoding.digits = 0; | |
768 | encoding.is_digits_decimal = FALSE; | |
769 | encoding.scale.p = 1; | |
770 | encoding.scale.q = 1; | |
771 | encoding.offset.p = 0; | |
772 | encoding.offset.q = 1; | |
773 | if (state->analog_channels[ch->index].probe_unit == 'V') { | |
774 | meaning.mq = SR_MQ_VOLTAGE; | |
775 | meaning.unit = SR_UNIT_VOLT; | |
776 | } else { | |
777 | meaning.mq = SR_MQ_CURRENT; | |
778 | meaning.unit = SR_UNIT_AMPERE; | |
779 | } | |
780 | meaning.mqflags = 0; | |
781 | meaning.channels = g_slist_append(NULL, ch); | |
782 | spec.spec_digits = 0; | |
dc89faea | 783 | packet.payload = &analog; |
695dc859 | 784 | sr_session_send(sdi, &packet); |
401b83a1 SB |
785 | g_slist_free(meaning.channels); |
786 | g_byte_array_free(data, TRUE); | |
dc89faea UH |
787 | data = NULL; |
788 | break; | |
789 | case SR_CHANNEL_LOGIC: | |
401b83a1 | 790 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
dc89faea UH |
791 | g_free(data); |
792 | return TRUE; | |
13f2b9d7 | 793 | } |
dc89faea UH |
794 | |
795 | packet.type = SR_DF_FRAME_BEGIN; | |
796 | sr_session_send(sdi, &packet); | |
797 | ||
798 | logic.length = data->len; | |
799 | logic.unitsize = 1; | |
800 | logic.data = data->data; | |
801 | packet.type = SR_DF_LOGIC; | |
802 | packet.payload = &logic; | |
695dc859 | 803 | sr_session_send(sdi, &packet); |
401b83a1 | 804 | g_byte_array_free(data, TRUE); |
dc89faea UH |
805 | data = NULL; |
806 | break; | |
807 | default: | |
808 | sr_err("Invalid channel type."); | |
809 | break; | |
810 | } | |
811 | ||
812 | packet.type = SR_DF_FRAME_END; | |
813 | sr_session_send(sdi, &packet); | |
814 | ||
815 | if (devc->current_channel->next) { | |
816 | devc->current_channel = devc->current_channel->next; | |
817 | hmo_request_data(sdi); | |
818 | } else if (++devc->num_frames == devc->frame_limit) { | |
695dc859 | 819 | sdi->driver->dev_acquisition_stop(sdi); |
dc89faea UH |
820 | } else { |
821 | devc->current_channel = devc->enabled_channels; | |
822 | hmo_request_data(sdi); | |
06a3e78a DJ |
823 | } |
824 | ||
825 | return TRUE; | |
826 | } |