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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> | |
e131be0a | 5 | * Copyright (C) 2018 Guido Trentalancia <guido@trentalancia.com> |
06a3e78a DJ |
6 | * |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
6ec6c43b | 21 | #include <config.h> |
650847e7 UH |
22 | #include <math.h> |
23 | #include <stdlib.h> | |
5a1afc09 | 24 | #include "scpi.h" |
06a3e78a DJ |
25 | #include "protocol.h" |
26 | ||
e06875b2 GS |
27 | SR_PRIV void hmo_queue_logic_data(struct dev_context *devc, |
28 | size_t group, GByteArray *pod_data); | |
29 | SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi, | |
30 | struct dev_context *devc); | |
31 | SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc); | |
32 | ||
13f2b9d7 | 33 | static const char *hameg_scpi_dialect[] = { |
e131be0a GT |
34 | [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;:POD%d:DATA?", |
35 | [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?", | |
36 | [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s", | |
37 | [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?", | |
38 | [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s", | |
39 | [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?", | |
e131be0a GT |
40 | [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \ |
41 | ":FORM REAL,32;:CHAN%d:DATA?", | |
42 | [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?", | |
43 | [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %s", | |
44 | [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?", | |
45 | [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d", | |
46 | [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?", | |
c8ecfa6e | 47 | [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s", |
4fa4db2c GT |
48 | [SCPI_CMD_GET_TRIGGER_PATTERN] = ":TRIG:A:PATT:SOUR?", |
49 | [SCPI_CMD_SET_TRIGGER_PATTERN] = ":TRIG:A:TYPE LOGIC;" \ | |
50 | ":TRIG:A:PATT:FUNC AND;" \ | |
51 | ":TRIG:A:PATT:COND TRUE;" \ | |
52 | ":TRIG:A:PATT:MODE OFF;" \ | |
53 | ":TRIG:A:PATT:SOUR \"%s\"", | |
e131be0a GT |
54 | [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?", |
55 | [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s", | |
56 | [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?", | |
57 | [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d", | |
58 | [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?", | |
59 | [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?", | |
60 | [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s", | |
61 | [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?", | |
62 | [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d", | |
63 | [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?", | |
64 | [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":POD%d:THR?", | |
65 | [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":POD%d:THR %s", | |
66 | [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d?", | |
67 | [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d %s", | |
13f2b9d7 DJ |
68 | }; |
69 | ||
4b25cbff | 70 | static const uint32_t devopts[] = { |
13f2b9d7 | 71 | SR_CONF_OSCILLOSCOPE, |
830e24b6 GT |
72 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
73 | SR_CONF_LIMIT_FRAMES | SR_CONF_SET, | |
86621306 | 74 | SR_CONF_SAMPLERATE | SR_CONF_GET, |
5827f61b | 75 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
bf622e6d | 76 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
5827f61b | 77 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, |
86621306 UH |
78 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
79 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
4fa4db2c | 80 | SR_CONF_TRIGGER_PATTERN | SR_CONF_GET | SR_CONF_SET, |
13f2b9d7 DJ |
81 | }; |
82 | ||
6b82c3e5 | 83 | static const uint32_t devopts_cg_analog[] = { |
5827f61b | 84 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
5827f61b | 85 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
86621306 | 86 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
13f2b9d7 DJ |
87 | }; |
88 | ||
e131be0a GT |
89 | static const uint32_t devopts_cg_digital[] = { |
90 | SR_CONF_LOGIC_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
91 | SR_CONF_LOGIC_THRESHOLD_CUSTOM | SR_CONF_GET | SR_CONF_SET, | |
92 | }; | |
93 | ||
4b25cbff | 94 | static const char *coupling_options[] = { |
b05ab7d2 SB |
95 | "AC", // AC with 50 Ohm termination (152x, 202x, 30xx, 1202) |
96 | "ACL", // AC with 1 MOhm termination | |
97 | "DC", // DC with 50 Ohm termination | |
98 | "DCL", // DC with 1 MOhm termination | |
13f2b9d7 | 99 | "GND", |
13f2b9d7 DJ |
100 | }; |
101 | ||
102 | static const char *scope_trigger_slopes[] = { | |
103 | "POS", | |
104 | "NEG", | |
356f64f8 | 105 | "EITH", |
13f2b9d7 DJ |
106 | }; |
107 | ||
e131be0a GT |
108 | /* Predefined logic thresholds. */ |
109 | static const char *logic_threshold[] = { | |
110 | "TTL", | |
111 | "ECL", | |
112 | "CMOS", | |
113 | "USER1", | |
114 | "USER2", // overwritten by logic_threshold_custom, use USER1 for permanent setting | |
115 | }; | |
116 | ||
4cf90b86 | 117 | /* RTC1002, HMO Compact2 and HMO1002/HMO1202 */ |
6d0f3508 | 118 | static const char *an2_dig8_trigger_sources[] = { |
f8195cb2 UH |
119 | "CH1", "CH2", |
120 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
121 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
13f2b9d7 DJ |
122 | }; |
123 | ||
4cf90b86 | 124 | /* HMO3xx2 */ |
6d0f3508 GT |
125 | static const char *an2_dig16_trigger_sources[] = { |
126 | "CH1", "CH2", | |
127 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
128 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
129 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
130 | }; | |
131 | ||
4cf90b86 | 132 | /* HMO Compact4 */ |
6d0f3508 | 133 | static const char *an4_dig8_trigger_sources[] = { |
f8195cb2 UH |
134 | "CH1", "CH2", "CH3", "CH4", |
135 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
136 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
13f2b9d7 DJ |
137 | }; |
138 | ||
4cf90b86 | 139 | /* HMO3xx4 and HMO2524 */ |
6d0f3508 | 140 | static const char *an4_dig16_trigger_sources[] = { |
f8195cb2 UH |
141 | "CH1", "CH2", "CH3", "CH4", |
142 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
143 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
144 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
74413faf GS |
145 | }; |
146 | ||
4b25cbff | 147 | static const uint64_t timebases[][2] = { |
13f2b9d7 DJ |
148 | /* nanoseconds */ |
149 | { 2, 1000000000 }, | |
150 | { 5, 1000000000 }, | |
151 | { 10, 1000000000 }, | |
152 | { 20, 1000000000 }, | |
153 | { 50, 1000000000 }, | |
154 | { 100, 1000000000 }, | |
155 | { 200, 1000000000 }, | |
156 | { 500, 1000000000 }, | |
157 | /* microseconds */ | |
158 | { 1, 1000000 }, | |
159 | { 2, 1000000 }, | |
160 | { 5, 1000000 }, | |
161 | { 10, 1000000 }, | |
162 | { 20, 1000000 }, | |
163 | { 50, 1000000 }, | |
164 | { 100, 1000000 }, | |
165 | { 200, 1000000 }, | |
166 | { 500, 1000000 }, | |
167 | /* milliseconds */ | |
168 | { 1, 1000 }, | |
169 | { 2, 1000 }, | |
170 | { 5, 1000 }, | |
171 | { 10, 1000 }, | |
172 | { 20, 1000 }, | |
173 | { 50, 1000 }, | |
174 | { 100, 1000 }, | |
175 | { 200, 1000 }, | |
176 | { 500, 1000 }, | |
177 | /* seconds */ | |
178 | { 1, 1 }, | |
179 | { 2, 1 }, | |
180 | { 5, 1 }, | |
181 | { 10, 1 }, | |
182 | { 20, 1 }, | |
183 | { 50, 1 }, | |
184 | }; | |
185 | ||
4b25cbff | 186 | static const uint64_t vdivs[][2] = { |
13f2b9d7 DJ |
187 | /* millivolts */ |
188 | { 1, 1000 }, | |
189 | { 2, 1000 }, | |
190 | { 5, 1000 }, | |
191 | { 10, 1000 }, | |
192 | { 20, 1000 }, | |
193 | { 50, 1000 }, | |
194 | { 100, 1000 }, | |
195 | { 200, 1000 }, | |
196 | { 500, 1000 }, | |
197 | /* volts */ | |
198 | { 1, 1 }, | |
199 | { 2, 1 }, | |
200 | { 5, 1 }, | |
201 | { 10, 1 }, | |
fe227d17 SA |
202 | { 20, 1 }, |
203 | { 50, 1 }, | |
13f2b9d7 DJ |
204 | }; |
205 | ||
ba7dd8bb | 206 | static const char *scope_analog_channel_names[] = { |
f8195cb2 | 207 | "CH1", "CH2", "CH3", "CH4", |
13f2b9d7 DJ |
208 | }; |
209 | ||
ba7dd8bb | 210 | static const char *scope_digital_channel_names[] = { |
f8195cb2 UH |
211 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", |
212 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
13f2b9d7 DJ |
213 | }; |
214 | ||
329733d9 | 215 | static const struct scope_config scope_models[] = { |
13f2b9d7 | 216 | { |
4cf90b86 GT |
217 | /* RTC1002 and HMO722/1002/1022/1202/1522/2022 support only 8 digital channels. */ |
218 | .name = {"RTC1002", "HMO722", "HMO1002", "HMO1022", "HMO1202", "HMO1522", "HMO2022", NULL}, | |
13f2b9d7 DJ |
219 | .analog_channels = 2, |
220 | .digital_channels = 8, | |
221 | .digital_pods = 1, | |
222 | ||
ba7dd8bb UH |
223 | .analog_names = &scope_analog_channel_names, |
224 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 225 | |
4b25cbff UH |
226 | .devopts = &devopts, |
227 | .num_devopts = ARRAY_SIZE(devopts), | |
13f2b9d7 | 228 | |
6b82c3e5 UH |
229 | .devopts_cg_analog = &devopts_cg_analog, |
230 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
13f2b9d7 | 231 | |
e131be0a GT |
232 | .devopts_cg_digital = &devopts_cg_digital, |
233 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
234 | ||
4b25cbff | 235 | .coupling_options = &coupling_options, |
692716f5 UH |
236 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
237 | ||
e131be0a GT |
238 | .logic_threshold = &logic_threshold, |
239 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
240 | ||
6d0f3508 GT |
241 | .trigger_sources = &an2_dig8_trigger_sources, |
242 | .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources), | |
243 | ||
244 | .trigger_slopes = &scope_trigger_slopes, | |
245 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), | |
246 | ||
247 | .timebases = &timebases, | |
248 | .num_timebases = ARRAY_SIZE(timebases), | |
249 | ||
250 | .vdivs = &vdivs, | |
251 | .num_vdivs = ARRAY_SIZE(vdivs), | |
252 | ||
253 | .num_xdivs = 12, | |
254 | .num_ydivs = 8, | |
255 | ||
256 | .scpi_dialect = &hameg_scpi_dialect, | |
257 | }, | |
258 | { | |
259 | /* HMO3032/3042/3052/3522 support 16 digital channels. */ | |
260 | .name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL}, | |
261 | .analog_channels = 2, | |
262 | .digital_channels = 16, | |
263 | .digital_pods = 2, | |
264 | ||
265 | .analog_names = &scope_analog_channel_names, | |
266 | .digital_names = &scope_digital_channel_names, | |
267 | ||
268 | .devopts = &devopts, | |
269 | .num_devopts = ARRAY_SIZE(devopts), | |
270 | ||
271 | .devopts_cg_analog = &devopts_cg_analog, | |
272 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
273 | ||
e131be0a GT |
274 | .devopts_cg_digital = &devopts_cg_digital, |
275 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
276 | ||
6d0f3508 GT |
277 | .coupling_options = &coupling_options, |
278 | .num_coupling_options = ARRAY_SIZE(coupling_options), | |
279 | ||
e131be0a GT |
280 | .logic_threshold = &logic_threshold, |
281 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
282 | ||
6d0f3508 GT |
283 | .trigger_sources = &an2_dig16_trigger_sources, |
284 | .num_trigger_sources = ARRAY_SIZE(an2_dig16_trigger_sources), | |
692716f5 | 285 | |
13f2b9d7 | 286 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 287 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
13f2b9d7 | 288 | |
4b25cbff UH |
289 | .timebases = &timebases, |
290 | .num_timebases = ARRAY_SIZE(timebases), | |
13f2b9d7 | 291 | |
4b25cbff UH |
292 | .vdivs = &vdivs, |
293 | .num_vdivs = ARRAY_SIZE(vdivs), | |
13f2b9d7 DJ |
294 | |
295 | .num_xdivs = 12, | |
296 | .num_ydivs = 8, | |
297 | ||
298 | .scpi_dialect = &hameg_scpi_dialect, | |
299 | }, | |
300 | { | |
74413faf | 301 | .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL}, |
13f2b9d7 DJ |
302 | .analog_channels = 4, |
303 | .digital_channels = 8, | |
304 | .digital_pods = 1, | |
305 | ||
ba7dd8bb UH |
306 | .analog_names = &scope_analog_channel_names, |
307 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 308 | |
4b25cbff UH |
309 | .devopts = &devopts, |
310 | .num_devopts = ARRAY_SIZE(devopts), | |
13f2b9d7 | 311 | |
6b82c3e5 UH |
312 | .devopts_cg_analog = &devopts_cg_analog, |
313 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
13f2b9d7 | 314 | |
e131be0a GT |
315 | .devopts_cg_digital = &devopts_cg_digital, |
316 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
317 | ||
4b25cbff | 318 | .coupling_options = &coupling_options, |
692716f5 UH |
319 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
320 | ||
e131be0a GT |
321 | .logic_threshold = &logic_threshold, |
322 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
323 | ||
6d0f3508 GT |
324 | .trigger_sources = &an4_dig8_trigger_sources, |
325 | .num_trigger_sources = ARRAY_SIZE(an4_dig8_trigger_sources), | |
692716f5 | 326 | |
13f2b9d7 | 327 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 328 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
13f2b9d7 | 329 | |
4b25cbff UH |
330 | .timebases = &timebases, |
331 | .num_timebases = ARRAY_SIZE(timebases), | |
13f2b9d7 | 332 | |
4b25cbff UH |
333 | .vdivs = &vdivs, |
334 | .num_vdivs = ARRAY_SIZE(vdivs), | |
13f2b9d7 DJ |
335 | |
336 | .num_xdivs = 12, | |
337 | .num_ydivs = 8, | |
338 | ||
74413faf GS |
339 | .scpi_dialect = &hameg_scpi_dialect, |
340 | }, | |
341 | { | |
bf8a02b6 | 342 | .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", "HMO3524", NULL}, |
74413faf GS |
343 | .analog_channels = 4, |
344 | .digital_channels = 16, | |
345 | .digital_pods = 2, | |
346 | ||
347 | .analog_names = &scope_analog_channel_names, | |
348 | .digital_names = &scope_digital_channel_names, | |
349 | ||
4b25cbff UH |
350 | .devopts = &devopts, |
351 | .num_devopts = ARRAY_SIZE(devopts), | |
74413faf | 352 | |
6b82c3e5 UH |
353 | .devopts_cg_analog = &devopts_cg_analog, |
354 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
74413faf | 355 | |
e131be0a GT |
356 | .devopts_cg_digital = &devopts_cg_digital, |
357 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
358 | ||
4b25cbff | 359 | .coupling_options = &coupling_options, |
692716f5 UH |
360 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
361 | ||
e131be0a GT |
362 | .logic_threshold = &logic_threshold, |
363 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
364 | ||
6d0f3508 GT |
365 | .trigger_sources = &an4_dig16_trigger_sources, |
366 | .num_trigger_sources = ARRAY_SIZE(an4_dig16_trigger_sources), | |
692716f5 | 367 | |
74413faf | 368 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 369 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
74413faf | 370 | |
4b25cbff UH |
371 | .timebases = &timebases, |
372 | .num_timebases = ARRAY_SIZE(timebases), | |
74413faf | 373 | |
4b25cbff UH |
374 | .vdivs = &vdivs, |
375 | .num_vdivs = ARRAY_SIZE(vdivs), | |
74413faf GS |
376 | |
377 | .num_xdivs = 12, | |
378 | .num_ydivs = 8, | |
379 | ||
13f2b9d7 DJ |
380 | .scpi_dialect = &hameg_scpi_dialect, |
381 | }, | |
382 | }; | |
383 | ||
329733d9 | 384 | static void scope_state_dump(const struct scope_config *config, |
13f2b9d7 DJ |
385 | struct scope_state *state) |
386 | { | |
387 | unsigned int i; | |
8de2dc3b | 388 | char *tmp; |
13f2b9d7 | 389 | |
0a1f7b09 | 390 | for (i = 0; i < config->analog_channels; i++) { |
8de2dc3b DJ |
391 | tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0], |
392 | (*config->vdivs)[state->analog_channels[i].vdiv][1]); | |
d9251a2c | 393 | sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)", |
8de2dc3b | 394 | i + 1, state->analog_channels[i].state ? "On" : "Off", |
13f2b9d7 | 395 | (*config->coupling_options)[state->analog_channels[i].coupling], |
8de2dc3b | 396 | tmp, state->analog_channels[i].vertical_offset); |
13f2b9d7 DJ |
397 | } |
398 | ||
0a1f7b09 | 399 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
400 | sr_info("State of digital channel %d -> %s", i, |
401 | state->digital_channels[i] ? "On" : "Off"); | |
402 | } | |
403 | ||
0a1f7b09 | 404 | for (i = 0; i < config->digital_pods; i++) { |
e131be0a | 405 | if (strncmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold], 4)) |
262061ff | 406 | sr_info("State of digital POD %d -> %s : %s (threshold)", i + 1, |
e131be0a GT |
407 | state->digital_pods[i].state ? "On" : "Off", |
408 | (*config->logic_threshold)[state->digital_pods[i].threshold]); | |
409 | else // user-defined or custom logic threshold | |
262061ff | 410 | sr_info("State of digital POD %d -> %s : %E (threshold)", i + 1, |
e131be0a GT |
411 | state->digital_pods[i].state ? "On" : "Off", |
412 | state->digital_pods[i].user_threshold); | |
13f2b9d7 DJ |
413 | } |
414 | ||
6984cfb2 SA |
415 | tmp = sr_period_string((*config->timebases)[state->timebase][0], |
416 | (*config->timebases)[state->timebase][1]); | |
8de2dc3b DJ |
417 | sr_info("Current timebase: %s", tmp); |
418 | g_free(tmp); | |
419 | ||
14a2f74d DJ |
420 | tmp = sr_samplerate_string(state->sample_rate); |
421 | sr_info("Current samplerate: %s", tmp); | |
422 | g_free(tmp); | |
423 | ||
4fa4db2c GT |
424 | if (!strcmp("PATT", (*config->trigger_sources)[state->trigger_source])) |
425 | sr_info("Current trigger: %s (pattern), %.2f (offset)", | |
426 | state->trigger_pattern, | |
427 | state->horiz_triggerpos); | |
428 | else // Edge (slope) trigger | |
429 | sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)", | |
430 | (*config->trigger_sources)[state->trigger_source], | |
431 | (*config->trigger_slopes)[state->trigger_slope], | |
432 | state->horiz_triggerpos); | |
13f2b9d7 DJ |
433 | } |
434 | ||
23f43dff | 435 | static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi, |
692716f5 | 436 | const char *command, const char *(*array)[], unsigned int n, int *result) |
13f2b9d7 DJ |
437 | { |
438 | char *tmp; | |
bd633efa | 439 | int idx; |
13f2b9d7 | 440 | |
67398969 | 441 | if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) |
13f2b9d7 | 442 | return SR_ERR; |
13f2b9d7 | 443 | |
bd633efa | 444 | if ((idx = std_str_idx_s(tmp, *array, n)) < 0) { |
13f2b9d7 | 445 | g_free(tmp); |
bd633efa | 446 | return SR_ERR_ARG; |
13f2b9d7 DJ |
447 | } |
448 | ||
bd633efa UH |
449 | *result = idx; |
450 | ||
451 | g_free(tmp); | |
452 | ||
13f2b9d7 DJ |
453 | return SR_OK; |
454 | } | |
455 | ||
8fff7519 | 456 | /** |
a53acd7d SB |
457 | * This function takes a value of the form "2.000E-03" and returns the index |
458 | * of an array where a matching pair was found. | |
8fff7519 SA |
459 | * |
460 | * @param value The string to be parsed. | |
461 | * @param array The array of s/f pairs. | |
462 | * @param array_len The number of pairs in the array. | |
463 | * @param result The index at which a matching pair was found. | |
464 | * | |
465 | * @return SR_ERR on any parsing error, SR_OK otherwise. | |
466 | */ | |
467 | static int array_float_get(gchar *value, const uint64_t array[][2], | |
650847e7 | 468 | int array_len, unsigned int *result) |
8fff7519 | 469 | { |
a53acd7d SB |
470 | struct sr_rational rval; |
471 | struct sr_rational aval; | |
8cccbac8 | 472 | |
a53acd7d | 473 | if (sr_parse_rational(value, &rval) != SR_OK) |
8fff7519 SA |
474 | return SR_ERR; |
475 | ||
a53acd7d SB |
476 | for (int i = 0; i < array_len; i++) { |
477 | sr_rational_set(&aval, array[i][0], array[i][1]); | |
478 | if (sr_rational_eq(&rval, &aval)) { | |
8fff7519 SA |
479 | *result = i; |
480 | return SR_OK; | |
481 | } | |
482 | } | |
483 | ||
484 | return SR_ERR; | |
485 | } | |
486 | ||
bd70ec4b SB |
487 | static struct sr_channel *get_channel_by_index_and_type(GSList *channel_lhead, |
488 | int index, int type) | |
489 | { | |
490 | while (channel_lhead) { | |
491 | struct sr_channel *ch = channel_lhead->data; | |
492 | if (ch->index == index && ch->type == type) | |
493 | return ch; | |
494 | ||
495 | channel_lhead = channel_lhead->next; | |
496 | } | |
497 | ||
498 | return 0; | |
499 | } | |
500 | ||
501 | static int analog_channel_state_get(struct sr_dev_inst *sdi, | |
329733d9 | 502 | const struct scope_config *config, |
13f2b9d7 DJ |
503 | struct scope_state *state) |
504 | { | |
8de2dc3b | 505 | unsigned int i, j; |
13f2b9d7 | 506 | char command[MAX_COMMAND_SIZE]; |
8fff7519 | 507 | char *tmp_str; |
bd70ec4b SB |
508 | struct sr_channel *ch; |
509 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
13f2b9d7 | 510 | |
0a1f7b09 | 511 | for (i = 0; i < config->analog_channels; i++) { |
13f2b9d7 DJ |
512 | g_snprintf(command, sizeof(command), |
513 | (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE], | |
514 | i + 1); | |
515 | ||
23f43dff | 516 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
517 | &state->analog_channels[i].state) != SR_OK) |
518 | return SR_ERR; | |
519 | ||
bd70ec4b SB |
520 | ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_ANALOG); |
521 | if (ch) | |
522 | ch->enabled = state->analog_channels[i].state; | |
523 | ||
13f2b9d7 DJ |
524 | g_snprintf(command, sizeof(command), |
525 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV], | |
526 | i + 1); | |
527 | ||
8fff7519 | 528 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) |
8de2dc3b | 529 | return SR_ERR; |
8fff7519 | 530 | |
53012da6 | 531 | if (array_float_get(tmp_str, ARRAY_AND_SIZE(vdivs), &j) != SR_OK) { |
8fff7519 | 532 | g_free(tmp_str); |
b4e31d2a | 533 | sr_err("Could not determine array index for vertical div scale."); |
13f2b9d7 | 534 | return SR_ERR; |
b4e31d2a | 535 | } |
13f2b9d7 | 536 | |
8fff7519 SA |
537 | g_free(tmp_str); |
538 | state->analog_channels[i].vdiv = j; | |
539 | ||
13f2b9d7 DJ |
540 | g_snprintf(command, sizeof(command), |
541 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET], | |
542 | i + 1); | |
543 | ||
23f43dff | 544 | if (sr_scpi_get_float(scpi, command, |
13f2b9d7 DJ |
545 | &state->analog_channels[i].vertical_offset) != SR_OK) |
546 | return SR_ERR; | |
547 | ||
548 | g_snprintf(command, sizeof(command), | |
549 | (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING], | |
550 | i + 1); | |
551 | ||
23f43dff | 552 | if (scope_state_get_array_option(scpi, command, config->coupling_options, |
692716f5 | 553 | config->num_coupling_options, |
13f2b9d7 DJ |
554 | &state->analog_channels[i].coupling) != SR_OK) |
555 | return SR_ERR; | |
448e81b1 SB |
556 | |
557 | g_snprintf(command, sizeof(command), | |
558 | (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT], | |
559 | i + 1); | |
560 | ||
561 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) | |
562 | return SR_ERR; | |
563 | ||
564 | if (tmp_str[0] == 'A') | |
565 | state->analog_channels[i].probe_unit = 'A'; | |
566 | else | |
567 | state->analog_channels[i].probe_unit = 'V'; | |
568 | g_free(tmp_str); | |
13f2b9d7 DJ |
569 | } |
570 | ||
571 | return SR_OK; | |
572 | } | |
573 | ||
bd70ec4b | 574 | static int digital_channel_state_get(struct sr_dev_inst *sdi, |
329733d9 | 575 | const struct scope_config *config, |
13f2b9d7 DJ |
576 | struct scope_state *state) |
577 | { | |
578 | unsigned int i; | |
e131be0a GT |
579 | int result = SR_ERR; |
580 | static char *logic_threshold_short[] = {}; | |
13f2b9d7 | 581 | char command[MAX_COMMAND_SIZE]; |
bd70ec4b SB |
582 | struct sr_channel *ch; |
583 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
13f2b9d7 | 584 | |
0a1f7b09 | 585 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
586 | g_snprintf(command, sizeof(command), |
587 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE], | |
588 | i); | |
589 | ||
23f43dff | 590 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
591 | &state->digital_channels[i]) != SR_OK) |
592 | return SR_ERR; | |
bd70ec4b SB |
593 | |
594 | ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_LOGIC); | |
595 | if (ch) | |
596 | ch->enabled = state->digital_channels[i]; | |
13f2b9d7 DJ |
597 | } |
598 | ||
e131be0a GT |
599 | /* According to the SCPI standard, the response to the command |
600 | * SCPI_CMD_GET_DIG_POD_THRESHOLD might return "USER" instead of | |
601 | * "USER1". | |
602 | * | |
603 | * This makes more difficult to validate the response when the logic | |
604 | * threshold is set to "USER1" and therefore we need to prevent device | |
605 | * opening failures in such configuration case... | |
606 | */ | |
607 | for (i = 0; i < config->num_logic_threshold; i++) { | |
608 | logic_threshold_short[i] = g_strdup((*config->logic_threshold)[i]); | |
609 | if (!strcmp("USER1", (*config->logic_threshold)[i])) | |
610 | g_strlcpy(logic_threshold_short[i], | |
611 | (*config->logic_threshold)[i], strlen((*config->logic_threshold)[i])); | |
612 | } | |
613 | ||
0a1f7b09 | 614 | for (i = 0; i < config->digital_pods; i++) { |
13f2b9d7 DJ |
615 | g_snprintf(command, sizeof(command), |
616 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE], | |
617 | i + 1); | |
618 | ||
23f43dff | 619 | if (sr_scpi_get_bool(scpi, command, |
e131be0a GT |
620 | &state->digital_pods[i].state) != SR_OK) |
621 | goto exit; | |
622 | ||
623 | g_snprintf(command, sizeof(command), | |
624 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD], | |
625 | i + 1); | |
626 | ||
627 | /* Check for both standard and shortened responses. */ | |
628 | if (scope_state_get_array_option(scpi, command, config->logic_threshold, | |
629 | config->num_logic_threshold, | |
630 | &state->digital_pods[i].threshold) != SR_OK) | |
631 | if (scope_state_get_array_option(scpi, command, (const char * (*)[]) &logic_threshold_short, | |
632 | config->num_logic_threshold, | |
633 | &state->digital_pods[i].threshold) != SR_OK) | |
634 | goto exit; | |
635 | ||
636 | if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
637 | g_snprintf(command, sizeof(command), | |
638 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD], | |
639 | i + 1, 1); // USER1 logic threshold setting | |
640 | ||
641 | if (!strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
642 | g_snprintf(command, sizeof(command), | |
643 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD], | |
644 | i + 1, 2); // USER2 for custom logic_threshold setting | |
645 | ||
646 | if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]) || | |
647 | !strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
648 | if (sr_scpi_get_float(scpi, command, | |
649 | &state->digital_pods[i].user_threshold) != SR_OK) | |
650 | goto exit; | |
13f2b9d7 DJ |
651 | } |
652 | ||
e131be0a GT |
653 | result = SR_OK; |
654 | ||
655 | exit: | |
656 | for (i = 0; i < config->num_logic_threshold; i++) | |
657 | g_free(logic_threshold_short[i]); | |
658 | ||
659 | return result; | |
13f2b9d7 DJ |
660 | } |
661 | ||
14a2f74d DJ |
662 | SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi) |
663 | { | |
664 | struct dev_context *devc; | |
665 | struct scope_state *state; | |
329733d9 | 666 | const struct scope_config *config; |
14a2f74d | 667 | float tmp_float; |
14a2f74d DJ |
668 | |
669 | devc = sdi->priv; | |
670 | config = devc->model_config; | |
671 | state = devc->model_state; | |
14a2f74d | 672 | |
39e19723 GT |
673 | if (sr_scpi_get_float(sdi->conn, |
674 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE], | |
675 | &tmp_float) != SR_OK) | |
676 | return SR_ERR; | |
c06c24d2 | 677 | |
39e19723 | 678 | state->sample_rate = tmp_float; |
14a2f74d DJ |
679 | |
680 | return SR_OK; | |
681 | } | |
682 | ||
719eff68 | 683 | SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
684 | { |
685 | struct dev_context *devc; | |
686 | struct scope_state *state; | |
329733d9 | 687 | const struct scope_config *config; |
8de2dc3b DJ |
688 | float tmp_float; |
689 | unsigned int i; | |
8cccbac8 | 690 | char *tmp_str; |
13f2b9d7 DJ |
691 | |
692 | devc = sdi->priv; | |
693 | config = devc->model_config; | |
694 | state = devc->model_state; | |
695 | ||
8de2dc3b DJ |
696 | sr_info("Fetching scope state"); |
697 | ||
bd70ec4b | 698 | if (analog_channel_state_get(sdi, config, state) != SR_OK) |
13f2b9d7 DJ |
699 | return SR_ERR; |
700 | ||
bd70ec4b | 701 | if (digital_channel_state_get(sdi, config, state) != SR_OK) |
13f2b9d7 DJ |
702 | return SR_ERR; |
703 | ||
89280b1a UH |
704 | if (sr_scpi_get_float(sdi->conn, |
705 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
8de2dc3b DJ |
706 | &tmp_float) != SR_OK) |
707 | return SR_ERR; | |
708 | ||
8cccbac8 SA |
709 | if (sr_scpi_get_string(sdi->conn, |
710 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
711 | &tmp_str) != SR_OK) | |
712 | return SR_ERR; | |
713 | ||
53012da6 | 714 | if (array_float_get(tmp_str, ARRAY_AND_SIZE(timebases), &i) != SR_OK) { |
8cccbac8 | 715 | g_free(tmp_str); |
b4e31d2a | 716 | sr_err("Could not determine array index for time base."); |
13f2b9d7 | 717 | return SR_ERR; |
b4e31d2a | 718 | } |
e5b7eef7 | 719 | g_free(tmp_str); |
13f2b9d7 | 720 | |
8cccbac8 SA |
721 | state->timebase = i; |
722 | ||
89280b1a UH |
723 | if (sr_scpi_get_float(sdi->conn, |
724 | (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS], | |
422a1c0d | 725 | &tmp_float) != SR_OK) |
13f2b9d7 | 726 | return SR_ERR; |
422a1c0d DJ |
727 | state->horiz_triggerpos = tmp_float / |
728 | (((double) (*config->timebases)[state->timebase][0] / | |
729 | (*config->timebases)[state->timebase][1]) * config->num_xdivs); | |
730 | state->horiz_triggerpos -= 0.5; | |
731 | state->horiz_triggerpos *= -1; | |
13f2b9d7 | 732 | |
89280b1a UH |
733 | if (scope_state_get_array_option(sdi->conn, |
734 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE], | |
692716f5 UH |
735 | config->trigger_sources, config->num_trigger_sources, |
736 | &state->trigger_source) != SR_OK) | |
13f2b9d7 DJ |
737 | return SR_ERR; |
738 | ||
89280b1a | 739 | if (scope_state_get_array_option(sdi->conn, |
692716f5 UH |
740 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE], |
741 | config->trigger_slopes, config->num_trigger_slopes, | |
742 | &state->trigger_slope) != SR_OK) | |
13f2b9d7 DJ |
743 | return SR_ERR; |
744 | ||
4fa4db2c GT |
745 | if (sr_scpi_get_string(sdi->conn, |
746 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_PATTERN], | |
747 | &state->trigger_pattern) != SR_OK) | |
748 | return SR_ERR; | |
749 | ||
14a2f74d DJ |
750 | if (hmo_update_sample_rate(sdi) != SR_OK) |
751 | return SR_ERR; | |
752 | ||
8de2dc3b DJ |
753 | sr_info("Fetching finished."); |
754 | ||
13f2b9d7 DJ |
755 | scope_state_dump(config, state); |
756 | ||
757 | return SR_OK; | |
758 | } | |
759 | ||
329733d9 | 760 | static struct scope_state *scope_state_new(const struct scope_config *config) |
13f2b9d7 DJ |
761 | { |
762 | struct scope_state *state; | |
763 | ||
a95f142e UH |
764 | state = g_malloc0(sizeof(struct scope_state)); |
765 | state->analog_channels = g_malloc0_n(config->analog_channels, | |
766 | sizeof(struct analog_channel_state)); | |
767 | state->digital_channels = g_malloc0_n( | |
768 | config->digital_channels, sizeof(gboolean)); | |
769 | state->digital_pods = g_malloc0_n(config->digital_pods, | |
e131be0a | 770 | sizeof(struct digital_pod_state)); |
13f2b9d7 DJ |
771 | |
772 | return state; | |
13f2b9d7 DJ |
773 | } |
774 | ||
719eff68 | 775 | SR_PRIV void hmo_scope_state_free(struct scope_state *state) |
13f2b9d7 DJ |
776 | { |
777 | g_free(state->analog_channels); | |
778 | g_free(state->digital_channels); | |
779 | g_free(state->digital_pods); | |
780 | g_free(state); | |
781 | } | |
782 | ||
783 | SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi) | |
784 | { | |
13f2b9d7 | 785 | int model_index; |
2d224dba | 786 | unsigned int i, j, group; |
ba7dd8bb | 787 | struct sr_channel *ch; |
13f2b9d7 | 788 | struct dev_context *devc; |
eac9fcd2 | 789 | int ret; |
13f2b9d7 DJ |
790 | |
791 | devc = sdi->priv; | |
792 | model_index = -1; | |
793 | ||
89280b1a | 794 | /* Find the exact model. */ |
13f2b9d7 DJ |
795 | for (i = 0; i < ARRAY_SIZE(scope_models); i++) { |
796 | for (j = 0; scope_models[i].name[j]; j++) { | |
797 | if (!strcmp(sdi->model, scope_models[i].name[j])) { | |
798 | model_index = i; | |
799 | break; | |
800 | } | |
801 | } | |
802 | if (model_index != -1) | |
803 | break; | |
804 | } | |
805 | ||
806 | if (model_index == -1) { | |
e35ebc6a | 807 | sr_dbg("Unsupported device."); |
13f2b9d7 DJ |
808 | return SR_ERR_NA; |
809 | } | |
810 | ||
562b7ae5 SA |
811 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
812 | scope_models[model_index].analog_channels); | |
562b7ae5 SA |
813 | devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
814 | scope_models[model_index].digital_pods); | |
b0e80e9a GS |
815 | if (!devc->analog_groups || !devc->digital_groups) { |
816 | g_free(devc->analog_groups); | |
817 | g_free(devc->digital_groups); | |
818 | return SR_ERR_MALLOC; | |
819 | } | |
13f2b9d7 | 820 | |
89280b1a | 821 | /* Add analog channels. */ |
13f2b9d7 | 822 | for (i = 0; i < scope_models[model_index].analog_channels; i++) { |
5e23fcab | 823 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, |
c368e6f3 | 824 | (*scope_models[model_index].analog_names)[i]); |
13f2b9d7 | 825 | |
562b7ae5 SA |
826 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
827 | ||
828 | devc->analog_groups[i]->name = g_strdup( | |
829 | (char *)(*scope_models[model_index].analog_names)[i]); | |
830 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); | |
13f2b9d7 | 831 | |
660e398f | 832 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
562b7ae5 | 833 | devc->analog_groups[i]); |
13f2b9d7 DJ |
834 | } |
835 | ||
660e398f | 836 | /* Add digital channel groups. */ |
eac9fcd2 | 837 | ret = SR_OK; |
0a1f7b09 | 838 | for (i = 0; i < scope_models[model_index].digital_pods; i++) { |
562b7ae5 | 839 | devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
eac9fcd2 GS |
840 | if (!devc->digital_groups[i]) { |
841 | ret = SR_ERR_MALLOC; | |
842 | break; | |
843 | } | |
262061ff | 844 | devc->digital_groups[i]->name = g_strdup_printf("POD%d", i + 1); |
660e398f | 845 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
2d224dba | 846 | devc->digital_groups[i]); |
13f2b9d7 | 847 | } |
eac9fcd2 GS |
848 | if (ret != SR_OK) |
849 | return ret; | |
13f2b9d7 | 850 | |
89280b1a | 851 | /* Add digital channels. */ |
13f2b9d7 | 852 | for (i = 0; i < scope_models[model_index].digital_channels; i++) { |
5e23fcab | 853 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, |
c368e6f3 | 854 | (*scope_models[model_index].digital_names)[i]); |
13f2b9d7 | 855 | |
2d224dba GS |
856 | group = i / 8; |
857 | devc->digital_groups[group]->channels = g_slist_append( | |
858 | devc->digital_groups[group]->channels, ch); | |
13f2b9d7 DJ |
859 | } |
860 | ||
861 | devc->model_config = &scope_models[model_index]; | |
d779dcac | 862 | devc->samples_limit = 0; |
13f2b9d7 DJ |
863 | devc->frame_limit = 0; |
864 | ||
865 | if (!(devc->model_state = scope_state_new(devc->model_config))) | |
866 | return SR_ERR_MALLOC; | |
867 | ||
868 | return SR_OK; | |
869 | } | |
870 | ||
e06875b2 GS |
871 | /* Queue data of one channel group, for later submission. */ |
872 | SR_PRIV void hmo_queue_logic_data(struct dev_context *devc, | |
873 | size_t group, GByteArray *pod_data) | |
874 | { | |
875 | size_t size; | |
876 | GByteArray *store; | |
877 | uint8_t *logic_data; | |
878 | size_t idx, logic_step; | |
879 | ||
880 | /* | |
881 | * Upon first invocation, allocate the array which can hold the | |
882 | * combined logic data for all channels. Assume that each channel | |
883 | * will yield an identical number of samples per receive call. | |
884 | * | |
885 | * As a poor man's safety measure: (Silently) skip processing | |
886 | * for unexpected sample counts, and ignore samples for | |
887 | * unexpected channel groups. Don't bother with complicated | |
888 | * resize logic, considering that many models only support one | |
889 | * pod, and the most capable supported models have two pods of | |
890 | * identical size. We haven't yet seen any "odd" configuration. | |
891 | */ | |
892 | if (!devc->logic_data) { | |
893 | size = pod_data->len * devc->pod_count; | |
894 | store = g_byte_array_sized_new(size); | |
895 | memset(store->data, 0, size); | |
896 | store = g_byte_array_set_size(store, size); | |
897 | devc->logic_data = store; | |
898 | } else { | |
899 | store = devc->logic_data; | |
900 | size = store->len / devc->pod_count; | |
e06875b2 GS |
901 | if (group >= devc->pod_count) |
902 | return; | |
903 | } | |
904 | ||
905 | /* | |
906 | * Fold the data of the most recently received channel group into | |
907 | * the storage, where data resides for all channels combined. | |
908 | */ | |
909 | logic_data = store->data; | |
910 | logic_data += group; | |
911 | logic_step = devc->pod_count; | |
912 | for (idx = 0; idx < pod_data->len; idx++) { | |
913 | *logic_data = pod_data->data[idx]; | |
914 | logic_data += logic_step; | |
915 | } | |
d779dcac GT |
916 | |
917 | /* Truncate acquisition if a smaller number of samples has been requested. */ | |
918 | if (devc->samples_limit > 0 && devc->logic_data->len > devc->samples_limit * devc->pod_count) | |
919 | devc->logic_data->len = devc->samples_limit * devc->pod_count; | |
e06875b2 GS |
920 | } |
921 | ||
922 | /* Submit data for all channels, after the individual groups got collected. */ | |
923 | SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi, | |
924 | struct dev_context *devc) | |
925 | { | |
926 | struct sr_datafeed_packet packet; | |
927 | struct sr_datafeed_logic logic; | |
928 | ||
929 | if (!devc->logic_data) | |
930 | return; | |
931 | ||
932 | logic.data = devc->logic_data->data; | |
933 | logic.length = devc->logic_data->len; | |
934 | logic.unitsize = devc->pod_count; | |
935 | ||
936 | packet.type = SR_DF_LOGIC; | |
937 | packet.payload = &logic; | |
938 | ||
939 | sr_session_send(sdi, &packet); | |
940 | } | |
941 | ||
942 | /* Undo previous resource allocation. */ | |
943 | SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc) | |
944 | { | |
945 | ||
946 | if (devc->logic_data) { | |
947 | g_byte_array_free(devc->logic_data, TRUE); | |
948 | devc->logic_data = NULL; | |
949 | } | |
950 | /* | |
951 | * Keep 'pod_count'! It's required when more frames will be | |
952 | * received, and does not harm when kept after acquisition. | |
953 | */ | |
954 | } | |
955 | ||
719eff68 | 956 | SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data) |
06a3e78a | 957 | { |
ba7dd8bb | 958 | struct sr_channel *ch; |
13f2b9d7 | 959 | struct sr_dev_inst *sdi; |
06a3e78a | 960 | struct dev_context *devc; |
401b83a1 | 961 | struct scope_state *state; |
13f2b9d7 | 962 | struct sr_datafeed_packet packet; |
401b83a1 SB |
963 | GByteArray *data; |
964 | struct sr_datafeed_analog analog; | |
965 | struct sr_analog_encoding encoding; | |
966 | struct sr_analog_meaning meaning; | |
967 | struct sr_analog_spec spec; | |
89280b1a | 968 | struct sr_datafeed_logic logic; |
e06875b2 | 969 | size_t group; |
06a3e78a DJ |
970 | |
971 | (void)fd; | |
f0729866 | 972 | (void)revents; |
06a3e78a | 973 | |
f62f595b MK |
974 | data = NULL; |
975 | ||
06a3e78a DJ |
976 | if (!(sdi = cb_data)) |
977 | return TRUE; | |
978 | ||
979 | if (!(devc = sdi->priv)) | |
980 | return TRUE; | |
981 | ||
f4f273ce SB |
982 | /* Although this is correct in general, the USBTMC libusb implementation |
983 | * currently does not generate an event prior to the first read. Often | |
984 | * it is ok to start reading just after the 50ms timeout. See bug #785. | |
dc89faea UH |
985 | if (revents != G_IO_IN) |
986 | return TRUE; | |
f4f273ce | 987 | */ |
13f2b9d7 | 988 | |
dc89faea | 989 | ch = devc->current_channel->data; |
401b83a1 | 990 | state = devc->model_state; |
13f2b9d7 | 991 | |
b23eb1d4 GS |
992 | /* |
993 | * Send "frame begin" packet upon reception of data for the | |
994 | * first enabled channel. | |
995 | */ | |
996 | if (devc->current_channel == devc->enabled_channels) { | |
997 | packet.type = SR_DF_FRAME_BEGIN; | |
998 | sr_session_send(sdi, &packet); | |
999 | } | |
1000 | ||
1001 | /* | |
1002 | * Pass on the received data of the channel(s). | |
1003 | */ | |
dc89faea UH |
1004 | switch (ch->type) { |
1005 | case SR_CHANNEL_ANALOG: | |
401b83a1 | 1006 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
dc89faea | 1007 | if (data) |
401b83a1 | 1008 | g_byte_array_free(data, TRUE); |
dc89faea | 1009 | return TRUE; |
13f2b9d7 DJ |
1010 | } |
1011 | ||
401b83a1 SB |
1012 | packet.type = SR_DF_ANALOG; |
1013 | ||
1014 | analog.data = data->data; | |
1015 | analog.num_samples = data->len / sizeof(float); | |
d779dcac GT |
1016 | /* Truncate acquisition if a smaller number of samples has been requested. */ |
1017 | if (devc->samples_limit > 0 && analog.num_samples > devc->samples_limit) | |
1018 | analog.num_samples = devc->samples_limit; | |
401b83a1 SB |
1019 | analog.encoding = &encoding; |
1020 | analog.meaning = &meaning; | |
1021 | analog.spec = &spec; | |
1022 | ||
1023 | encoding.unitsize = sizeof(float); | |
1024 | encoding.is_signed = TRUE; | |
1025 | encoding.is_float = TRUE; | |
65a6794e GS |
1026 | #ifdef WORDS_BIGENDIAN |
1027 | encoding.is_bigendian = TRUE; | |
1028 | #else | |
d1ad8b10 | 1029 | encoding.is_bigendian = FALSE; |
65a6794e | 1030 | #endif |
7dcaddd3 UH |
1031 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
1032 | encoding.digits = 2; | |
401b83a1 SB |
1033 | encoding.is_digits_decimal = FALSE; |
1034 | encoding.scale.p = 1; | |
1035 | encoding.scale.q = 1; | |
1036 | encoding.offset.p = 0; | |
1037 | encoding.offset.q = 1; | |
1038 | if (state->analog_channels[ch->index].probe_unit == 'V') { | |
1039 | meaning.mq = SR_MQ_VOLTAGE; | |
1040 | meaning.unit = SR_UNIT_VOLT; | |
1041 | } else { | |
1042 | meaning.mq = SR_MQ_CURRENT; | |
1043 | meaning.unit = SR_UNIT_AMPERE; | |
1044 | } | |
1045 | meaning.mqflags = 0; | |
1046 | meaning.channels = g_slist_append(NULL, ch); | |
7dcaddd3 UH |
1047 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
1048 | spec.spec_digits = 2; | |
dc89faea | 1049 | packet.payload = &analog; |
695dc859 | 1050 | sr_session_send(sdi, &packet); |
d779dcac | 1051 | devc->num_samples = data->len / sizeof(float); |
401b83a1 SB |
1052 | g_slist_free(meaning.channels); |
1053 | g_byte_array_free(data, TRUE); | |
dc89faea UH |
1054 | data = NULL; |
1055 | break; | |
1056 | case SR_CHANNEL_LOGIC: | |
401b83a1 | 1057 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
14cb6aa4 GT |
1058 | if (data) |
1059 | g_byte_array_free(data, TRUE); | |
dc89faea | 1060 | return TRUE; |
13f2b9d7 | 1061 | } |
dc89faea | 1062 | |
e06875b2 GS |
1063 | /* |
1064 | * If only data from the first pod is involved in the | |
1065 | * acquisition, then the raw input bytes can get passed | |
1066 | * forward for performance reasons. When the second pod | |
1067 | * is involved (either alone, or in combination with the | |
1068 | * first pod), then the received bytes need to be put | |
1069 | * into memory in such a layout that all channel groups | |
1070 | * get combined, and a unitsize larger than a single byte | |
1071 | * applies. The "queue" logic transparently copes with | |
1072 | * any such configuration. This works around the lack | |
1073 | * of support for "meaning" to logic data, which is used | |
1074 | * above for analog data. | |
1075 | */ | |
1076 | if (devc->pod_count == 1) { | |
1077 | packet.type = SR_DF_LOGIC; | |
1078 | logic.data = data->data; | |
1079 | logic.length = data->len; | |
d779dcac GT |
1080 | /* Truncate acquisition if a smaller number of samples has been requested. */ |
1081 | if (devc->samples_limit > 0 && logic.length > devc->samples_limit) | |
1082 | logic.length = devc->samples_limit; | |
e06875b2 GS |
1083 | logic.unitsize = 1; |
1084 | packet.payload = &logic; | |
1085 | sr_session_send(sdi, &packet); | |
1086 | } else { | |
1087 | group = ch->index / 8; | |
1088 | hmo_queue_logic_data(devc, group, data); | |
1089 | } | |
dc89faea | 1090 | |
d779dcac | 1091 | devc->num_samples = data->len / devc->pod_count; |
401b83a1 | 1092 | g_byte_array_free(data, TRUE); |
dc89faea UH |
1093 | data = NULL; |
1094 | break; | |
1095 | default: | |
1096 | sr_err("Invalid channel type."); | |
1097 | break; | |
1098 | } | |
1099 | ||
b23eb1d4 GS |
1100 | /* |
1101 | * Advance to the next enabled channel. When data for all enabled | |
e06875b2 GS |
1102 | * channels was received, then flush potentially queued logic data, |
1103 | * and send the "frame end" packet. | |
b23eb1d4 | 1104 | */ |
dc89faea UH |
1105 | if (devc->current_channel->next) { |
1106 | devc->current_channel = devc->current_channel->next; | |
1107 | hmo_request_data(sdi); | |
b23eb1d4 GS |
1108 | return TRUE; |
1109 | } | |
e06875b2 GS |
1110 | hmo_send_logic_packet(sdi, devc); |
1111 | ||
1112 | /* | |
1113 | * Release the logic data storage after each frame. This copes | |
1114 | * with sample counts that differ in length per frame. -- Is | |
1115 | * this a real constraint when acquiring multiple frames with | |
1116 | * identical device settings? | |
1117 | */ | |
1118 | hmo_cleanup_logic_data(devc); | |
1119 | ||
b23eb1d4 GS |
1120 | packet.type = SR_DF_FRAME_END; |
1121 | sr_session_send(sdi, &packet); | |
1122 | ||
1123 | /* | |
1124 | * End of frame was reached. Stop acquisition after the specified | |
d779dcac GT |
1125 | * number of frames or after the specified number of samples, or |
1126 | * continue reception by starting over at the first enabled channel. | |
b23eb1d4 | 1127 | */ |
d779dcac | 1128 | if (++devc->num_frames >= devc->frame_limit || devc->num_samples >= devc->samples_limit) { |
d2f7c417 | 1129 | sr_dev_acquisition_stop(sdi); |
e06875b2 | 1130 | hmo_cleanup_logic_data(devc); |
dc89faea UH |
1131 | } else { |
1132 | devc->current_channel = devc->enabled_channels; | |
1133 | hmo_request_data(sdi); | |
06a3e78a DJ |
1134 | } |
1135 | ||
1136 | return TRUE; | |
1137 | } |