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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?", | |
40 | [SCPI_CMD_GET_SAMPLE_RATE_LIVE] = ":%s:DATA:POINTS?", | |
41 | [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \ | |
42 | ":FORM REAL,32;:CHAN%d:DATA?", | |
43 | [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?", | |
44 | [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %s", | |
45 | [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?", | |
46 | [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d", | |
47 | [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?", | |
c8ecfa6e | 48 | [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s", |
e131be0a GT |
49 | [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?", |
50 | [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s", | |
51 | [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?", | |
52 | [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d", | |
53 | [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?", | |
54 | [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?", | |
55 | [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s", | |
56 | [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?", | |
57 | [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d", | |
58 | [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?", | |
59 | [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":POD%d:THR?", | |
60 | [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":POD%d:THR %s", | |
61 | [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d?", | |
62 | [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d %s", | |
13f2b9d7 DJ |
63 | }; |
64 | ||
4b25cbff | 65 | static const uint32_t devopts[] = { |
13f2b9d7 | 66 | SR_CONF_OSCILLOSCOPE, |
d779dcac | 67 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
a1b61e6e | 68 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET, |
86621306 | 69 | SR_CONF_SAMPLERATE | SR_CONF_GET, |
5827f61b | 70 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
bf622e6d | 71 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
5827f61b | 72 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, |
86621306 UH |
73 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
74 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
13f2b9d7 DJ |
75 | }; |
76 | ||
6b82c3e5 | 77 | static const uint32_t devopts_cg_analog[] = { |
5827f61b | 78 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
5827f61b | 79 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
86621306 | 80 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
13f2b9d7 DJ |
81 | }; |
82 | ||
e131be0a GT |
83 | static const uint32_t devopts_cg_digital[] = { |
84 | SR_CONF_LOGIC_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
85 | SR_CONF_LOGIC_THRESHOLD_CUSTOM | SR_CONF_GET | SR_CONF_SET, | |
86 | }; | |
87 | ||
4b25cbff | 88 | static const char *coupling_options[] = { |
b05ab7d2 SB |
89 | "AC", // AC with 50 Ohm termination (152x, 202x, 30xx, 1202) |
90 | "ACL", // AC with 1 MOhm termination | |
91 | "DC", // DC with 50 Ohm termination | |
92 | "DCL", // DC with 1 MOhm termination | |
13f2b9d7 | 93 | "GND", |
13f2b9d7 DJ |
94 | }; |
95 | ||
96 | static const char *scope_trigger_slopes[] = { | |
97 | "POS", | |
98 | "NEG", | |
356f64f8 | 99 | "EITH", |
13f2b9d7 DJ |
100 | }; |
101 | ||
e131be0a GT |
102 | /* Predefined logic thresholds. */ |
103 | static const char *logic_threshold[] = { | |
104 | "TTL", | |
105 | "ECL", | |
106 | "CMOS", | |
107 | "USER1", | |
108 | "USER2", // overwritten by logic_threshold_custom, use USER1 for permanent setting | |
109 | }; | |
110 | ||
4cf90b86 | 111 | /* RTC1002, HMO Compact2 and HMO1002/HMO1202 */ |
6d0f3508 | 112 | static const char *an2_dig8_trigger_sources[] = { |
f8195cb2 UH |
113 | "CH1", "CH2", |
114 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
115 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
13f2b9d7 DJ |
116 | }; |
117 | ||
4cf90b86 | 118 | /* HMO3xx2 */ |
6d0f3508 GT |
119 | static const char *an2_dig16_trigger_sources[] = { |
120 | "CH1", "CH2", | |
121 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
122 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
123 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
124 | }; | |
125 | ||
4cf90b86 | 126 | /* HMO Compact4 */ |
6d0f3508 | 127 | static const char *an4_dig8_trigger_sources[] = { |
f8195cb2 UH |
128 | "CH1", "CH2", "CH3", "CH4", |
129 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
130 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
13f2b9d7 DJ |
131 | }; |
132 | ||
4cf90b86 | 133 | /* HMO3xx4 and HMO2524 */ |
6d0f3508 | 134 | static const char *an4_dig16_trigger_sources[] = { |
f8195cb2 UH |
135 | "CH1", "CH2", "CH3", "CH4", |
136 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
137 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
138 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
74413faf GS |
139 | }; |
140 | ||
4b25cbff | 141 | static const uint64_t timebases[][2] = { |
13f2b9d7 DJ |
142 | /* nanoseconds */ |
143 | { 2, 1000000000 }, | |
144 | { 5, 1000000000 }, | |
145 | { 10, 1000000000 }, | |
146 | { 20, 1000000000 }, | |
147 | { 50, 1000000000 }, | |
148 | { 100, 1000000000 }, | |
149 | { 200, 1000000000 }, | |
150 | { 500, 1000000000 }, | |
151 | /* microseconds */ | |
152 | { 1, 1000000 }, | |
153 | { 2, 1000000 }, | |
154 | { 5, 1000000 }, | |
155 | { 10, 1000000 }, | |
156 | { 20, 1000000 }, | |
157 | { 50, 1000000 }, | |
158 | { 100, 1000000 }, | |
159 | { 200, 1000000 }, | |
160 | { 500, 1000000 }, | |
161 | /* milliseconds */ | |
162 | { 1, 1000 }, | |
163 | { 2, 1000 }, | |
164 | { 5, 1000 }, | |
165 | { 10, 1000 }, | |
166 | { 20, 1000 }, | |
167 | { 50, 1000 }, | |
168 | { 100, 1000 }, | |
169 | { 200, 1000 }, | |
170 | { 500, 1000 }, | |
171 | /* seconds */ | |
172 | { 1, 1 }, | |
173 | { 2, 1 }, | |
174 | { 5, 1 }, | |
175 | { 10, 1 }, | |
176 | { 20, 1 }, | |
177 | { 50, 1 }, | |
178 | }; | |
179 | ||
4b25cbff | 180 | static const uint64_t vdivs[][2] = { |
13f2b9d7 DJ |
181 | /* millivolts */ |
182 | { 1, 1000 }, | |
183 | { 2, 1000 }, | |
184 | { 5, 1000 }, | |
185 | { 10, 1000 }, | |
186 | { 20, 1000 }, | |
187 | { 50, 1000 }, | |
188 | { 100, 1000 }, | |
189 | { 200, 1000 }, | |
190 | { 500, 1000 }, | |
191 | /* volts */ | |
192 | { 1, 1 }, | |
193 | { 2, 1 }, | |
194 | { 5, 1 }, | |
195 | { 10, 1 }, | |
fe227d17 SA |
196 | { 20, 1 }, |
197 | { 50, 1 }, | |
13f2b9d7 DJ |
198 | }; |
199 | ||
ba7dd8bb | 200 | static const char *scope_analog_channel_names[] = { |
f8195cb2 | 201 | "CH1", "CH2", "CH3", "CH4", |
13f2b9d7 DJ |
202 | }; |
203 | ||
ba7dd8bb | 204 | static const char *scope_digital_channel_names[] = { |
f8195cb2 UH |
205 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", |
206 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
13f2b9d7 DJ |
207 | }; |
208 | ||
329733d9 | 209 | static const struct scope_config scope_models[] = { |
13f2b9d7 | 210 | { |
4cf90b86 GT |
211 | /* RTC1002 and HMO722/1002/1022/1202/1522/2022 support only 8 digital channels. */ |
212 | .name = {"RTC1002", "HMO722", "HMO1002", "HMO1022", "HMO1202", "HMO1522", "HMO2022", NULL}, | |
13f2b9d7 DJ |
213 | .analog_channels = 2, |
214 | .digital_channels = 8, | |
215 | .digital_pods = 1, | |
216 | ||
ba7dd8bb UH |
217 | .analog_names = &scope_analog_channel_names, |
218 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 219 | |
4b25cbff UH |
220 | .devopts = &devopts, |
221 | .num_devopts = ARRAY_SIZE(devopts), | |
13f2b9d7 | 222 | |
6b82c3e5 UH |
223 | .devopts_cg_analog = &devopts_cg_analog, |
224 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
13f2b9d7 | 225 | |
e131be0a GT |
226 | .devopts_cg_digital = &devopts_cg_digital, |
227 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
228 | ||
4b25cbff | 229 | .coupling_options = &coupling_options, |
692716f5 UH |
230 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
231 | ||
e131be0a GT |
232 | .logic_threshold = &logic_threshold, |
233 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
234 | ||
6d0f3508 GT |
235 | .trigger_sources = &an2_dig8_trigger_sources, |
236 | .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources), | |
237 | ||
238 | .trigger_slopes = &scope_trigger_slopes, | |
239 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), | |
240 | ||
241 | .timebases = &timebases, | |
242 | .num_timebases = ARRAY_SIZE(timebases), | |
243 | ||
244 | .vdivs = &vdivs, | |
245 | .num_vdivs = ARRAY_SIZE(vdivs), | |
246 | ||
247 | .num_xdivs = 12, | |
248 | .num_ydivs = 8, | |
249 | ||
250 | .scpi_dialect = &hameg_scpi_dialect, | |
251 | }, | |
252 | { | |
253 | /* HMO3032/3042/3052/3522 support 16 digital channels. */ | |
254 | .name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL}, | |
255 | .analog_channels = 2, | |
256 | .digital_channels = 16, | |
257 | .digital_pods = 2, | |
258 | ||
259 | .analog_names = &scope_analog_channel_names, | |
260 | .digital_names = &scope_digital_channel_names, | |
261 | ||
262 | .devopts = &devopts, | |
263 | .num_devopts = ARRAY_SIZE(devopts), | |
264 | ||
265 | .devopts_cg_analog = &devopts_cg_analog, | |
266 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
267 | ||
e131be0a GT |
268 | .devopts_cg_digital = &devopts_cg_digital, |
269 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
270 | ||
6d0f3508 GT |
271 | .coupling_options = &coupling_options, |
272 | .num_coupling_options = ARRAY_SIZE(coupling_options), | |
273 | ||
e131be0a GT |
274 | .logic_threshold = &logic_threshold, |
275 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
276 | ||
6d0f3508 GT |
277 | .trigger_sources = &an2_dig16_trigger_sources, |
278 | .num_trigger_sources = ARRAY_SIZE(an2_dig16_trigger_sources), | |
692716f5 | 279 | |
13f2b9d7 | 280 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 281 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
13f2b9d7 | 282 | |
4b25cbff UH |
283 | .timebases = &timebases, |
284 | .num_timebases = ARRAY_SIZE(timebases), | |
13f2b9d7 | 285 | |
4b25cbff UH |
286 | .vdivs = &vdivs, |
287 | .num_vdivs = ARRAY_SIZE(vdivs), | |
13f2b9d7 DJ |
288 | |
289 | .num_xdivs = 12, | |
290 | .num_ydivs = 8, | |
291 | ||
292 | .scpi_dialect = &hameg_scpi_dialect, | |
293 | }, | |
294 | { | |
74413faf | 295 | .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL}, |
13f2b9d7 DJ |
296 | .analog_channels = 4, |
297 | .digital_channels = 8, | |
298 | .digital_pods = 1, | |
299 | ||
ba7dd8bb UH |
300 | .analog_names = &scope_analog_channel_names, |
301 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 302 | |
4b25cbff UH |
303 | .devopts = &devopts, |
304 | .num_devopts = ARRAY_SIZE(devopts), | |
13f2b9d7 | 305 | |
6b82c3e5 UH |
306 | .devopts_cg_analog = &devopts_cg_analog, |
307 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
13f2b9d7 | 308 | |
e131be0a GT |
309 | .devopts_cg_digital = &devopts_cg_digital, |
310 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
311 | ||
4b25cbff | 312 | .coupling_options = &coupling_options, |
692716f5 UH |
313 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
314 | ||
e131be0a GT |
315 | .logic_threshold = &logic_threshold, |
316 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
317 | ||
6d0f3508 GT |
318 | .trigger_sources = &an4_dig8_trigger_sources, |
319 | .num_trigger_sources = ARRAY_SIZE(an4_dig8_trigger_sources), | |
692716f5 | 320 | |
13f2b9d7 | 321 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 322 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
13f2b9d7 | 323 | |
4b25cbff UH |
324 | .timebases = &timebases, |
325 | .num_timebases = ARRAY_SIZE(timebases), | |
13f2b9d7 | 326 | |
4b25cbff UH |
327 | .vdivs = &vdivs, |
328 | .num_vdivs = ARRAY_SIZE(vdivs), | |
13f2b9d7 DJ |
329 | |
330 | .num_xdivs = 12, | |
331 | .num_ydivs = 8, | |
332 | ||
74413faf GS |
333 | .scpi_dialect = &hameg_scpi_dialect, |
334 | }, | |
335 | { | |
bf8a02b6 | 336 | .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", "HMO3524", NULL}, |
74413faf GS |
337 | .analog_channels = 4, |
338 | .digital_channels = 16, | |
339 | .digital_pods = 2, | |
340 | ||
341 | .analog_names = &scope_analog_channel_names, | |
342 | .digital_names = &scope_digital_channel_names, | |
343 | ||
4b25cbff UH |
344 | .devopts = &devopts, |
345 | .num_devopts = ARRAY_SIZE(devopts), | |
74413faf | 346 | |
6b82c3e5 UH |
347 | .devopts_cg_analog = &devopts_cg_analog, |
348 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
74413faf | 349 | |
e131be0a GT |
350 | .devopts_cg_digital = &devopts_cg_digital, |
351 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
352 | ||
4b25cbff | 353 | .coupling_options = &coupling_options, |
692716f5 UH |
354 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
355 | ||
e131be0a GT |
356 | .logic_threshold = &logic_threshold, |
357 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
358 | ||
6d0f3508 GT |
359 | .trigger_sources = &an4_dig16_trigger_sources, |
360 | .num_trigger_sources = ARRAY_SIZE(an4_dig16_trigger_sources), | |
692716f5 | 361 | |
74413faf | 362 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 363 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
74413faf | 364 | |
4b25cbff UH |
365 | .timebases = &timebases, |
366 | .num_timebases = ARRAY_SIZE(timebases), | |
74413faf | 367 | |
4b25cbff UH |
368 | .vdivs = &vdivs, |
369 | .num_vdivs = ARRAY_SIZE(vdivs), | |
74413faf GS |
370 | |
371 | .num_xdivs = 12, | |
372 | .num_ydivs = 8, | |
373 | ||
13f2b9d7 DJ |
374 | .scpi_dialect = &hameg_scpi_dialect, |
375 | }, | |
376 | }; | |
377 | ||
329733d9 | 378 | static void scope_state_dump(const struct scope_config *config, |
13f2b9d7 DJ |
379 | struct scope_state *state) |
380 | { | |
381 | unsigned int i; | |
8de2dc3b | 382 | char *tmp; |
13f2b9d7 | 383 | |
0a1f7b09 | 384 | for (i = 0; i < config->analog_channels; i++) { |
8de2dc3b DJ |
385 | tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0], |
386 | (*config->vdivs)[state->analog_channels[i].vdiv][1]); | |
d9251a2c | 387 | sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)", |
8de2dc3b | 388 | i + 1, state->analog_channels[i].state ? "On" : "Off", |
13f2b9d7 | 389 | (*config->coupling_options)[state->analog_channels[i].coupling], |
8de2dc3b | 390 | tmp, state->analog_channels[i].vertical_offset); |
13f2b9d7 DJ |
391 | } |
392 | ||
0a1f7b09 | 393 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
394 | sr_info("State of digital channel %d -> %s", i, |
395 | state->digital_channels[i] ? "On" : "Off"); | |
396 | } | |
397 | ||
0a1f7b09 | 398 | for (i = 0; i < config->digital_pods; i++) { |
e131be0a GT |
399 | if (strncmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold], 4)) |
400 | sr_info("State of digital POD %d -> %s : %s (threshold)", i, | |
401 | state->digital_pods[i].state ? "On" : "Off", | |
402 | (*config->logic_threshold)[state->digital_pods[i].threshold]); | |
403 | else // user-defined or custom logic threshold | |
404 | sr_info("State of digital POD %d -> %s : %E (threshold)", i, | |
405 | state->digital_pods[i].state ? "On" : "Off", | |
406 | state->digital_pods[i].user_threshold); | |
13f2b9d7 DJ |
407 | } |
408 | ||
6984cfb2 SA |
409 | tmp = sr_period_string((*config->timebases)[state->timebase][0], |
410 | (*config->timebases)[state->timebase][1]); | |
8de2dc3b DJ |
411 | sr_info("Current timebase: %s", tmp); |
412 | g_free(tmp); | |
413 | ||
14a2f74d DJ |
414 | tmp = sr_samplerate_string(state->sample_rate); |
415 | sr_info("Current samplerate: %s", tmp); | |
416 | g_free(tmp); | |
417 | ||
422a1c0d | 418 | sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)", |
13f2b9d7 DJ |
419 | (*config->trigger_sources)[state->trigger_source], |
420 | (*config->trigger_slopes)[state->trigger_slope], | |
421 | state->horiz_triggerpos); | |
422 | } | |
423 | ||
23f43dff | 424 | static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi, |
692716f5 | 425 | const char *command, const char *(*array)[], unsigned int n, int *result) |
13f2b9d7 DJ |
426 | { |
427 | char *tmp; | |
bd633efa | 428 | int idx; |
13f2b9d7 | 429 | |
23f43dff | 430 | if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) { |
89280b1a | 431 | g_free(tmp); |
13f2b9d7 DJ |
432 | return SR_ERR; |
433 | } | |
434 | ||
bd633efa | 435 | if ((idx = std_str_idx_s(tmp, *array, n)) < 0) { |
13f2b9d7 | 436 | g_free(tmp); |
bd633efa | 437 | return SR_ERR_ARG; |
13f2b9d7 DJ |
438 | } |
439 | ||
bd633efa UH |
440 | *result = idx; |
441 | ||
442 | g_free(tmp); | |
443 | ||
13f2b9d7 DJ |
444 | return SR_OK; |
445 | } | |
446 | ||
8fff7519 | 447 | /** |
a53acd7d SB |
448 | * This function takes a value of the form "2.000E-03" and returns the index |
449 | * of an array where a matching pair was found. | |
8fff7519 SA |
450 | * |
451 | * @param value The string to be parsed. | |
452 | * @param array The array of s/f pairs. | |
453 | * @param array_len The number of pairs in the array. | |
454 | * @param result The index at which a matching pair was found. | |
455 | * | |
456 | * @return SR_ERR on any parsing error, SR_OK otherwise. | |
457 | */ | |
458 | static int array_float_get(gchar *value, const uint64_t array[][2], | |
650847e7 | 459 | int array_len, unsigned int *result) |
8fff7519 | 460 | { |
a53acd7d SB |
461 | struct sr_rational rval; |
462 | struct sr_rational aval; | |
8cccbac8 | 463 | |
a53acd7d | 464 | if (sr_parse_rational(value, &rval) != SR_OK) |
8fff7519 SA |
465 | return SR_ERR; |
466 | ||
a53acd7d SB |
467 | for (int i = 0; i < array_len; i++) { |
468 | sr_rational_set(&aval, array[i][0], array[i][1]); | |
469 | if (sr_rational_eq(&rval, &aval)) { | |
8fff7519 SA |
470 | *result = i; |
471 | return SR_OK; | |
472 | } | |
473 | } | |
474 | ||
475 | return SR_ERR; | |
476 | } | |
477 | ||
bd70ec4b SB |
478 | static struct sr_channel *get_channel_by_index_and_type(GSList *channel_lhead, |
479 | int index, int type) | |
480 | { | |
481 | while (channel_lhead) { | |
482 | struct sr_channel *ch = channel_lhead->data; | |
483 | if (ch->index == index && ch->type == type) | |
484 | return ch; | |
485 | ||
486 | channel_lhead = channel_lhead->next; | |
487 | } | |
488 | ||
489 | return 0; | |
490 | } | |
491 | ||
492 | static int analog_channel_state_get(struct sr_dev_inst *sdi, | |
329733d9 | 493 | const struct scope_config *config, |
13f2b9d7 DJ |
494 | struct scope_state *state) |
495 | { | |
8de2dc3b | 496 | unsigned int i, j; |
13f2b9d7 | 497 | char command[MAX_COMMAND_SIZE]; |
8fff7519 | 498 | char *tmp_str; |
bd70ec4b SB |
499 | struct sr_channel *ch; |
500 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
13f2b9d7 | 501 | |
0a1f7b09 | 502 | for (i = 0; i < config->analog_channels; i++) { |
13f2b9d7 DJ |
503 | g_snprintf(command, sizeof(command), |
504 | (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE], | |
505 | i + 1); | |
506 | ||
23f43dff | 507 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
508 | &state->analog_channels[i].state) != SR_OK) |
509 | return SR_ERR; | |
510 | ||
bd70ec4b SB |
511 | ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_ANALOG); |
512 | if (ch) | |
513 | ch->enabled = state->analog_channels[i].state; | |
514 | ||
13f2b9d7 DJ |
515 | g_snprintf(command, sizeof(command), |
516 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV], | |
517 | i + 1); | |
518 | ||
8fff7519 | 519 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) |
8de2dc3b | 520 | return SR_ERR; |
8fff7519 | 521 | |
53012da6 | 522 | if (array_float_get(tmp_str, ARRAY_AND_SIZE(vdivs), &j) != SR_OK) { |
8fff7519 | 523 | g_free(tmp_str); |
b4e31d2a | 524 | sr_err("Could not determine array index for vertical div scale."); |
13f2b9d7 | 525 | return SR_ERR; |
b4e31d2a | 526 | } |
13f2b9d7 | 527 | |
8fff7519 SA |
528 | g_free(tmp_str); |
529 | state->analog_channels[i].vdiv = j; | |
530 | ||
13f2b9d7 DJ |
531 | g_snprintf(command, sizeof(command), |
532 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET], | |
533 | i + 1); | |
534 | ||
23f43dff | 535 | if (sr_scpi_get_float(scpi, command, |
13f2b9d7 DJ |
536 | &state->analog_channels[i].vertical_offset) != SR_OK) |
537 | return SR_ERR; | |
538 | ||
539 | g_snprintf(command, sizeof(command), | |
540 | (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING], | |
541 | i + 1); | |
542 | ||
23f43dff | 543 | if (scope_state_get_array_option(scpi, command, config->coupling_options, |
692716f5 | 544 | config->num_coupling_options, |
13f2b9d7 DJ |
545 | &state->analog_channels[i].coupling) != SR_OK) |
546 | return SR_ERR; | |
448e81b1 SB |
547 | |
548 | g_snprintf(command, sizeof(command), | |
549 | (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT], | |
550 | i + 1); | |
551 | ||
552 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) | |
553 | return SR_ERR; | |
554 | ||
555 | if (tmp_str[0] == 'A') | |
556 | state->analog_channels[i].probe_unit = 'A'; | |
557 | else | |
558 | state->analog_channels[i].probe_unit = 'V'; | |
559 | g_free(tmp_str); | |
13f2b9d7 DJ |
560 | } |
561 | ||
562 | return SR_OK; | |
563 | } | |
564 | ||
bd70ec4b | 565 | static int digital_channel_state_get(struct sr_dev_inst *sdi, |
329733d9 | 566 | const struct scope_config *config, |
13f2b9d7 DJ |
567 | struct scope_state *state) |
568 | { | |
569 | unsigned int i; | |
e131be0a GT |
570 | int result = SR_ERR; |
571 | static char *logic_threshold_short[] = {}; | |
13f2b9d7 | 572 | char command[MAX_COMMAND_SIZE]; |
bd70ec4b SB |
573 | struct sr_channel *ch; |
574 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
13f2b9d7 | 575 | |
0a1f7b09 | 576 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
577 | g_snprintf(command, sizeof(command), |
578 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE], | |
579 | i); | |
580 | ||
23f43dff | 581 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
582 | &state->digital_channels[i]) != SR_OK) |
583 | return SR_ERR; | |
bd70ec4b SB |
584 | |
585 | ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_LOGIC); | |
586 | if (ch) | |
587 | ch->enabled = state->digital_channels[i]; | |
13f2b9d7 DJ |
588 | } |
589 | ||
e131be0a GT |
590 | /* According to the SCPI standard, the response to the command |
591 | * SCPI_CMD_GET_DIG_POD_THRESHOLD might return "USER" instead of | |
592 | * "USER1". | |
593 | * | |
594 | * This makes more difficult to validate the response when the logic | |
595 | * threshold is set to "USER1" and therefore we need to prevent device | |
596 | * opening failures in such configuration case... | |
597 | */ | |
598 | for (i = 0; i < config->num_logic_threshold; i++) { | |
599 | logic_threshold_short[i] = g_strdup((*config->logic_threshold)[i]); | |
600 | if (!strcmp("USER1", (*config->logic_threshold)[i])) | |
601 | g_strlcpy(logic_threshold_short[i], | |
602 | (*config->logic_threshold)[i], strlen((*config->logic_threshold)[i])); | |
603 | } | |
604 | ||
0a1f7b09 | 605 | for (i = 0; i < config->digital_pods; i++) { |
13f2b9d7 DJ |
606 | g_snprintf(command, sizeof(command), |
607 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE], | |
608 | i + 1); | |
609 | ||
23f43dff | 610 | if (sr_scpi_get_bool(scpi, command, |
e131be0a GT |
611 | &state->digital_pods[i].state) != SR_OK) |
612 | goto exit; | |
613 | ||
614 | g_snprintf(command, sizeof(command), | |
615 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD], | |
616 | i + 1); | |
617 | ||
618 | /* Check for both standard and shortened responses. */ | |
619 | if (scope_state_get_array_option(scpi, command, config->logic_threshold, | |
620 | config->num_logic_threshold, | |
621 | &state->digital_pods[i].threshold) != SR_OK) | |
622 | if (scope_state_get_array_option(scpi, command, (const char * (*)[]) &logic_threshold_short, | |
623 | config->num_logic_threshold, | |
624 | &state->digital_pods[i].threshold) != SR_OK) | |
625 | goto exit; | |
626 | ||
627 | if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
628 | g_snprintf(command, sizeof(command), | |
629 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD], | |
630 | i + 1, 1); // USER1 logic threshold setting | |
631 | ||
632 | if (!strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
633 | g_snprintf(command, sizeof(command), | |
634 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD], | |
635 | i + 1, 2); // USER2 for custom logic_threshold setting | |
636 | ||
637 | if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]) || | |
638 | !strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
639 | if (sr_scpi_get_float(scpi, command, | |
640 | &state->digital_pods[i].user_threshold) != SR_OK) | |
641 | goto exit; | |
13f2b9d7 DJ |
642 | } |
643 | ||
e131be0a GT |
644 | result = SR_OK; |
645 | ||
646 | exit: | |
647 | for (i = 0; i < config->num_logic_threshold; i++) | |
648 | g_free(logic_threshold_short[i]); | |
649 | ||
650 | return result; | |
13f2b9d7 DJ |
651 | } |
652 | ||
14a2f74d DJ |
653 | SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi) |
654 | { | |
655 | struct dev_context *devc; | |
656 | struct scope_state *state; | |
329733d9 | 657 | const struct scope_config *config; |
14a2f74d DJ |
658 | int tmp; |
659 | unsigned int i; | |
660 | float tmp_float; | |
661 | gboolean channel_found; | |
662 | char tmp_str[MAX_COMMAND_SIZE]; | |
663 | char chan_name[20]; | |
664 | ||
665 | devc = sdi->priv; | |
666 | config = devc->model_config; | |
667 | state = devc->model_state; | |
668 | channel_found = FALSE; | |
669 | ||
0a1f7b09 | 670 | for (i = 0; i < config->analog_channels; i++) { |
3782e571 UH |
671 | if (!state->analog_channels[i].state) |
672 | continue; | |
673 | g_snprintf(chan_name, sizeof(chan_name), "CHAN%d", i + 1); | |
674 | g_snprintf(tmp_str, sizeof(tmp_str), | |
675 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
676 | chan_name); | |
677 | channel_found = TRUE; | |
678 | break; | |
679 | } | |
680 | ||
681 | if (!channel_found) { | |
682 | for (i = 0; i < config->digital_pods; i++) { | |
e131be0a | 683 | if (!state->digital_pods[i].state) |
3782e571 UH |
684 | continue; |
685 | g_snprintf(chan_name, sizeof(chan_name), "POD%d", i); | |
14a2f74d DJ |
686 | g_snprintf(tmp_str, sizeof(tmp_str), |
687 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
688 | chan_name); | |
689 | channel_found = TRUE; | |
690 | break; | |
691 | } | |
692 | } | |
693 | ||
14a2f74d DJ |
694 | /* No channel is active, ask the instrument for the sample rate |
695 | * in single shot mode */ | |
696 | if (!channel_found) { | |
c06c24d2 DJ |
697 | if (sr_scpi_get_float(sdi->conn, |
698 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE], | |
699 | &tmp_float) != SR_OK) | |
14a2f74d | 700 | return SR_ERR; |
c06c24d2 | 701 | |
14a2f74d DJ |
702 | state->sample_rate = tmp_float; |
703 | } else { | |
704 | if (sr_scpi_get_int(sdi->conn, tmp_str, &tmp) != SR_OK) | |
705 | return SR_ERR; | |
706 | state->sample_rate = tmp / (((float) (*config->timebases)[state->timebase][0] / | |
707 | (*config->timebases)[state->timebase][1]) * | |
708 | config->num_xdivs); | |
709 | } | |
710 | ||
711 | return SR_OK; | |
712 | } | |
713 | ||
719eff68 | 714 | SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
715 | { |
716 | struct dev_context *devc; | |
717 | struct scope_state *state; | |
329733d9 | 718 | const struct scope_config *config; |
8de2dc3b DJ |
719 | float tmp_float; |
720 | unsigned int i; | |
8cccbac8 | 721 | char *tmp_str; |
13f2b9d7 DJ |
722 | |
723 | devc = sdi->priv; | |
724 | config = devc->model_config; | |
725 | state = devc->model_state; | |
726 | ||
8de2dc3b DJ |
727 | sr_info("Fetching scope state"); |
728 | ||
bd70ec4b | 729 | if (analog_channel_state_get(sdi, config, state) != SR_OK) |
13f2b9d7 DJ |
730 | return SR_ERR; |
731 | ||
bd70ec4b | 732 | if (digital_channel_state_get(sdi, config, state) != SR_OK) |
13f2b9d7 DJ |
733 | return SR_ERR; |
734 | ||
89280b1a UH |
735 | if (sr_scpi_get_float(sdi->conn, |
736 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
8de2dc3b DJ |
737 | &tmp_float) != SR_OK) |
738 | return SR_ERR; | |
739 | ||
8cccbac8 SA |
740 | if (sr_scpi_get_string(sdi->conn, |
741 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
742 | &tmp_str) != SR_OK) | |
743 | return SR_ERR; | |
744 | ||
53012da6 | 745 | if (array_float_get(tmp_str, ARRAY_AND_SIZE(timebases), &i) != SR_OK) { |
8cccbac8 | 746 | g_free(tmp_str); |
b4e31d2a | 747 | sr_err("Could not determine array index for time base."); |
13f2b9d7 | 748 | return SR_ERR; |
b4e31d2a | 749 | } |
e5b7eef7 | 750 | g_free(tmp_str); |
13f2b9d7 | 751 | |
8cccbac8 SA |
752 | state->timebase = i; |
753 | ||
89280b1a UH |
754 | if (sr_scpi_get_float(sdi->conn, |
755 | (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS], | |
422a1c0d | 756 | &tmp_float) != SR_OK) |
13f2b9d7 | 757 | return SR_ERR; |
422a1c0d DJ |
758 | state->horiz_triggerpos = tmp_float / |
759 | (((double) (*config->timebases)[state->timebase][0] / | |
760 | (*config->timebases)[state->timebase][1]) * config->num_xdivs); | |
761 | state->horiz_triggerpos -= 0.5; | |
762 | state->horiz_triggerpos *= -1; | |
13f2b9d7 | 763 | |
89280b1a UH |
764 | if (scope_state_get_array_option(sdi->conn, |
765 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE], | |
692716f5 UH |
766 | config->trigger_sources, config->num_trigger_sources, |
767 | &state->trigger_source) != SR_OK) | |
13f2b9d7 DJ |
768 | return SR_ERR; |
769 | ||
89280b1a | 770 | if (scope_state_get_array_option(sdi->conn, |
692716f5 UH |
771 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE], |
772 | config->trigger_slopes, config->num_trigger_slopes, | |
773 | &state->trigger_slope) != SR_OK) | |
13f2b9d7 DJ |
774 | return SR_ERR; |
775 | ||
14a2f74d DJ |
776 | if (hmo_update_sample_rate(sdi) != SR_OK) |
777 | return SR_ERR; | |
778 | ||
8de2dc3b DJ |
779 | sr_info("Fetching finished."); |
780 | ||
13f2b9d7 DJ |
781 | scope_state_dump(config, state); |
782 | ||
783 | return SR_OK; | |
784 | } | |
785 | ||
329733d9 | 786 | static struct scope_state *scope_state_new(const struct scope_config *config) |
13f2b9d7 DJ |
787 | { |
788 | struct scope_state *state; | |
789 | ||
a95f142e UH |
790 | state = g_malloc0(sizeof(struct scope_state)); |
791 | state->analog_channels = g_malloc0_n(config->analog_channels, | |
792 | sizeof(struct analog_channel_state)); | |
793 | state->digital_channels = g_malloc0_n( | |
794 | config->digital_channels, sizeof(gboolean)); | |
795 | state->digital_pods = g_malloc0_n(config->digital_pods, | |
e131be0a | 796 | sizeof(struct digital_pod_state)); |
13f2b9d7 DJ |
797 | |
798 | return state; | |
13f2b9d7 DJ |
799 | } |
800 | ||
719eff68 | 801 | SR_PRIV void hmo_scope_state_free(struct scope_state *state) |
13f2b9d7 DJ |
802 | { |
803 | g_free(state->analog_channels); | |
804 | g_free(state->digital_channels); | |
805 | g_free(state->digital_pods); | |
806 | g_free(state); | |
807 | } | |
808 | ||
809 | SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi) | |
810 | { | |
13f2b9d7 | 811 | int model_index; |
2d224dba | 812 | unsigned int i, j, group; |
ba7dd8bb | 813 | struct sr_channel *ch; |
13f2b9d7 | 814 | struct dev_context *devc; |
eac9fcd2 | 815 | int ret; |
13f2b9d7 DJ |
816 | |
817 | devc = sdi->priv; | |
818 | model_index = -1; | |
819 | ||
89280b1a | 820 | /* Find the exact model. */ |
13f2b9d7 DJ |
821 | for (i = 0; i < ARRAY_SIZE(scope_models); i++) { |
822 | for (j = 0; scope_models[i].name[j]; j++) { | |
823 | if (!strcmp(sdi->model, scope_models[i].name[j])) { | |
824 | model_index = i; | |
825 | break; | |
826 | } | |
827 | } | |
828 | if (model_index != -1) | |
829 | break; | |
830 | } | |
831 | ||
832 | if (model_index == -1) { | |
e35ebc6a | 833 | sr_dbg("Unsupported device."); |
13f2b9d7 DJ |
834 | return SR_ERR_NA; |
835 | } | |
836 | ||
562b7ae5 SA |
837 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
838 | scope_models[model_index].analog_channels); | |
562b7ae5 SA |
839 | devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
840 | scope_models[model_index].digital_pods); | |
b0e80e9a GS |
841 | if (!devc->analog_groups || !devc->digital_groups) { |
842 | g_free(devc->analog_groups); | |
843 | g_free(devc->digital_groups); | |
844 | return SR_ERR_MALLOC; | |
845 | } | |
13f2b9d7 | 846 | |
89280b1a | 847 | /* Add analog channels. */ |
13f2b9d7 | 848 | for (i = 0; i < scope_models[model_index].analog_channels; i++) { |
5e23fcab | 849 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, |
c368e6f3 | 850 | (*scope_models[model_index].analog_names)[i]); |
13f2b9d7 | 851 | |
562b7ae5 SA |
852 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
853 | ||
854 | devc->analog_groups[i]->name = g_strdup( | |
855 | (char *)(*scope_models[model_index].analog_names)[i]); | |
856 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); | |
13f2b9d7 | 857 | |
660e398f | 858 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
562b7ae5 | 859 | devc->analog_groups[i]); |
13f2b9d7 DJ |
860 | } |
861 | ||
660e398f | 862 | /* Add digital channel groups. */ |
eac9fcd2 | 863 | ret = SR_OK; |
0a1f7b09 | 864 | for (i = 0; i < scope_models[model_index].digital_pods; i++) { |
562b7ae5 | 865 | devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
eac9fcd2 GS |
866 | if (!devc->digital_groups[i]) { |
867 | ret = SR_ERR_MALLOC; | |
868 | break; | |
869 | } | |
d2391b54 | 870 | devc->digital_groups[i]->name = g_strdup_printf("POD%d", i); |
660e398f | 871 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
2d224dba | 872 | devc->digital_groups[i]); |
13f2b9d7 | 873 | } |
eac9fcd2 GS |
874 | if (ret != SR_OK) |
875 | return ret; | |
13f2b9d7 | 876 | |
89280b1a | 877 | /* Add digital channels. */ |
13f2b9d7 | 878 | for (i = 0; i < scope_models[model_index].digital_channels; i++) { |
5e23fcab | 879 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, |
c368e6f3 | 880 | (*scope_models[model_index].digital_names)[i]); |
13f2b9d7 | 881 | |
2d224dba GS |
882 | group = i / 8; |
883 | devc->digital_groups[group]->channels = g_slist_append( | |
884 | devc->digital_groups[group]->channels, ch); | |
13f2b9d7 DJ |
885 | } |
886 | ||
887 | devc->model_config = &scope_models[model_index]; | |
d779dcac | 888 | devc->samples_limit = 0; |
13f2b9d7 DJ |
889 | devc->frame_limit = 0; |
890 | ||
891 | if (!(devc->model_state = scope_state_new(devc->model_config))) | |
892 | return SR_ERR_MALLOC; | |
893 | ||
894 | return SR_OK; | |
895 | } | |
896 | ||
e06875b2 GS |
897 | /* Queue data of one channel group, for later submission. */ |
898 | SR_PRIV void hmo_queue_logic_data(struct dev_context *devc, | |
899 | size_t group, GByteArray *pod_data) | |
900 | { | |
901 | size_t size; | |
902 | GByteArray *store; | |
903 | uint8_t *logic_data; | |
904 | size_t idx, logic_step; | |
905 | ||
906 | /* | |
907 | * Upon first invocation, allocate the array which can hold the | |
908 | * combined logic data for all channels. Assume that each channel | |
909 | * will yield an identical number of samples per receive call. | |
910 | * | |
911 | * As a poor man's safety measure: (Silently) skip processing | |
912 | * for unexpected sample counts, and ignore samples for | |
913 | * unexpected channel groups. Don't bother with complicated | |
914 | * resize logic, considering that many models only support one | |
915 | * pod, and the most capable supported models have two pods of | |
916 | * identical size. We haven't yet seen any "odd" configuration. | |
917 | */ | |
918 | if (!devc->logic_data) { | |
919 | size = pod_data->len * devc->pod_count; | |
920 | store = g_byte_array_sized_new(size); | |
921 | memset(store->data, 0, size); | |
922 | store = g_byte_array_set_size(store, size); | |
923 | devc->logic_data = store; | |
924 | } else { | |
925 | store = devc->logic_data; | |
926 | size = store->len / devc->pod_count; | |
e06875b2 GS |
927 | if (group >= devc->pod_count) |
928 | return; | |
929 | } | |
930 | ||
931 | /* | |
932 | * Fold the data of the most recently received channel group into | |
933 | * the storage, where data resides for all channels combined. | |
934 | */ | |
935 | logic_data = store->data; | |
936 | logic_data += group; | |
937 | logic_step = devc->pod_count; | |
938 | for (idx = 0; idx < pod_data->len; idx++) { | |
939 | *logic_data = pod_data->data[idx]; | |
940 | logic_data += logic_step; | |
941 | } | |
d779dcac GT |
942 | |
943 | /* Truncate acquisition if a smaller number of samples has been requested. */ | |
944 | if (devc->samples_limit > 0 && devc->logic_data->len > devc->samples_limit * devc->pod_count) | |
945 | devc->logic_data->len = devc->samples_limit * devc->pod_count; | |
e06875b2 GS |
946 | } |
947 | ||
948 | /* Submit data for all channels, after the individual groups got collected. */ | |
949 | SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi, | |
950 | struct dev_context *devc) | |
951 | { | |
952 | struct sr_datafeed_packet packet; | |
953 | struct sr_datafeed_logic logic; | |
954 | ||
955 | if (!devc->logic_data) | |
956 | return; | |
957 | ||
958 | logic.data = devc->logic_data->data; | |
959 | logic.length = devc->logic_data->len; | |
960 | logic.unitsize = devc->pod_count; | |
961 | ||
962 | packet.type = SR_DF_LOGIC; | |
963 | packet.payload = &logic; | |
964 | ||
965 | sr_session_send(sdi, &packet); | |
966 | } | |
967 | ||
968 | /* Undo previous resource allocation. */ | |
969 | SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc) | |
970 | { | |
971 | ||
972 | if (devc->logic_data) { | |
973 | g_byte_array_free(devc->logic_data, TRUE); | |
974 | devc->logic_data = NULL; | |
975 | } | |
976 | /* | |
977 | * Keep 'pod_count'! It's required when more frames will be | |
978 | * received, and does not harm when kept after acquisition. | |
979 | */ | |
980 | } | |
981 | ||
719eff68 | 982 | SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data) |
06a3e78a | 983 | { |
ba7dd8bb | 984 | struct sr_channel *ch; |
13f2b9d7 | 985 | struct sr_dev_inst *sdi; |
06a3e78a | 986 | struct dev_context *devc; |
401b83a1 | 987 | struct scope_state *state; |
13f2b9d7 | 988 | struct sr_datafeed_packet packet; |
401b83a1 SB |
989 | GByteArray *data; |
990 | struct sr_datafeed_analog analog; | |
991 | struct sr_analog_encoding encoding; | |
992 | struct sr_analog_meaning meaning; | |
993 | struct sr_analog_spec spec; | |
89280b1a | 994 | struct sr_datafeed_logic logic; |
e06875b2 | 995 | size_t group; |
06a3e78a DJ |
996 | |
997 | (void)fd; | |
f0729866 | 998 | (void)revents; |
06a3e78a | 999 | |
f62f595b MK |
1000 | data = NULL; |
1001 | ||
06a3e78a DJ |
1002 | if (!(sdi = cb_data)) |
1003 | return TRUE; | |
1004 | ||
1005 | if (!(devc = sdi->priv)) | |
1006 | return TRUE; | |
1007 | ||
f4f273ce SB |
1008 | /* Although this is correct in general, the USBTMC libusb implementation |
1009 | * currently does not generate an event prior to the first read. Often | |
1010 | * it is ok to start reading just after the 50ms timeout. See bug #785. | |
dc89faea UH |
1011 | if (revents != G_IO_IN) |
1012 | return TRUE; | |
f4f273ce | 1013 | */ |
13f2b9d7 | 1014 | |
dc89faea | 1015 | ch = devc->current_channel->data; |
401b83a1 | 1016 | state = devc->model_state; |
13f2b9d7 | 1017 | |
b23eb1d4 GS |
1018 | /* |
1019 | * Send "frame begin" packet upon reception of data for the | |
1020 | * first enabled channel. | |
1021 | */ | |
1022 | if (devc->current_channel == devc->enabled_channels) { | |
1023 | packet.type = SR_DF_FRAME_BEGIN; | |
1024 | sr_session_send(sdi, &packet); | |
1025 | } | |
1026 | ||
1027 | /* | |
1028 | * Pass on the received data of the channel(s). | |
1029 | */ | |
dc89faea UH |
1030 | switch (ch->type) { |
1031 | case SR_CHANNEL_ANALOG: | |
401b83a1 | 1032 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
dc89faea | 1033 | if (data) |
401b83a1 | 1034 | g_byte_array_free(data, TRUE); |
dc89faea | 1035 | return TRUE; |
13f2b9d7 DJ |
1036 | } |
1037 | ||
401b83a1 SB |
1038 | packet.type = SR_DF_ANALOG; |
1039 | ||
1040 | analog.data = data->data; | |
1041 | analog.num_samples = data->len / sizeof(float); | |
d779dcac GT |
1042 | /* Truncate acquisition if a smaller number of samples has been requested. */ |
1043 | if (devc->samples_limit > 0 && analog.num_samples > devc->samples_limit) | |
1044 | analog.num_samples = devc->samples_limit; | |
401b83a1 SB |
1045 | analog.encoding = &encoding; |
1046 | analog.meaning = &meaning; | |
1047 | analog.spec = &spec; | |
1048 | ||
1049 | encoding.unitsize = sizeof(float); | |
1050 | encoding.is_signed = TRUE; | |
1051 | encoding.is_float = TRUE; | |
65a6794e GS |
1052 | #ifdef WORDS_BIGENDIAN |
1053 | encoding.is_bigendian = TRUE; | |
1054 | #else | |
d1ad8b10 | 1055 | encoding.is_bigendian = FALSE; |
65a6794e | 1056 | #endif |
7dcaddd3 UH |
1057 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
1058 | encoding.digits = 2; | |
401b83a1 SB |
1059 | encoding.is_digits_decimal = FALSE; |
1060 | encoding.scale.p = 1; | |
1061 | encoding.scale.q = 1; | |
1062 | encoding.offset.p = 0; | |
1063 | encoding.offset.q = 1; | |
1064 | if (state->analog_channels[ch->index].probe_unit == 'V') { | |
1065 | meaning.mq = SR_MQ_VOLTAGE; | |
1066 | meaning.unit = SR_UNIT_VOLT; | |
1067 | } else { | |
1068 | meaning.mq = SR_MQ_CURRENT; | |
1069 | meaning.unit = SR_UNIT_AMPERE; | |
1070 | } | |
1071 | meaning.mqflags = 0; | |
1072 | meaning.channels = g_slist_append(NULL, ch); | |
7dcaddd3 UH |
1073 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
1074 | spec.spec_digits = 2; | |
dc89faea | 1075 | packet.payload = &analog; |
695dc859 | 1076 | sr_session_send(sdi, &packet); |
d779dcac | 1077 | devc->num_samples = data->len / sizeof(float); |
401b83a1 SB |
1078 | g_slist_free(meaning.channels); |
1079 | g_byte_array_free(data, TRUE); | |
dc89faea UH |
1080 | data = NULL; |
1081 | break; | |
1082 | case SR_CHANNEL_LOGIC: | |
401b83a1 | 1083 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
14cb6aa4 GT |
1084 | if (data) |
1085 | g_byte_array_free(data, TRUE); | |
dc89faea | 1086 | return TRUE; |
13f2b9d7 | 1087 | } |
dc89faea | 1088 | |
e06875b2 GS |
1089 | /* |
1090 | * If only data from the first pod is involved in the | |
1091 | * acquisition, then the raw input bytes can get passed | |
1092 | * forward for performance reasons. When the second pod | |
1093 | * is involved (either alone, or in combination with the | |
1094 | * first pod), then the received bytes need to be put | |
1095 | * into memory in such a layout that all channel groups | |
1096 | * get combined, and a unitsize larger than a single byte | |
1097 | * applies. The "queue" logic transparently copes with | |
1098 | * any such configuration. This works around the lack | |
1099 | * of support for "meaning" to logic data, which is used | |
1100 | * above for analog data. | |
1101 | */ | |
1102 | if (devc->pod_count == 1) { | |
1103 | packet.type = SR_DF_LOGIC; | |
1104 | logic.data = data->data; | |
1105 | logic.length = data->len; | |
d779dcac GT |
1106 | /* Truncate acquisition if a smaller number of samples has been requested. */ |
1107 | if (devc->samples_limit > 0 && logic.length > devc->samples_limit) | |
1108 | logic.length = devc->samples_limit; | |
e06875b2 GS |
1109 | logic.unitsize = 1; |
1110 | packet.payload = &logic; | |
1111 | sr_session_send(sdi, &packet); | |
1112 | } else { | |
1113 | group = ch->index / 8; | |
1114 | hmo_queue_logic_data(devc, group, data); | |
1115 | } | |
dc89faea | 1116 | |
d779dcac | 1117 | devc->num_samples = data->len / devc->pod_count; |
401b83a1 | 1118 | g_byte_array_free(data, TRUE); |
dc89faea UH |
1119 | data = NULL; |
1120 | break; | |
1121 | default: | |
1122 | sr_err("Invalid channel type."); | |
1123 | break; | |
1124 | } | |
1125 | ||
b23eb1d4 GS |
1126 | /* |
1127 | * Advance to the next enabled channel. When data for all enabled | |
e06875b2 GS |
1128 | * channels was received, then flush potentially queued logic data, |
1129 | * and send the "frame end" packet. | |
b23eb1d4 | 1130 | */ |
dc89faea UH |
1131 | if (devc->current_channel->next) { |
1132 | devc->current_channel = devc->current_channel->next; | |
1133 | hmo_request_data(sdi); | |
b23eb1d4 GS |
1134 | return TRUE; |
1135 | } | |
e06875b2 GS |
1136 | hmo_send_logic_packet(sdi, devc); |
1137 | ||
1138 | /* | |
1139 | * Release the logic data storage after each frame. This copes | |
1140 | * with sample counts that differ in length per frame. -- Is | |
1141 | * this a real constraint when acquiring multiple frames with | |
1142 | * identical device settings? | |
1143 | */ | |
1144 | hmo_cleanup_logic_data(devc); | |
1145 | ||
b23eb1d4 GS |
1146 | packet.type = SR_DF_FRAME_END; |
1147 | sr_session_send(sdi, &packet); | |
1148 | ||
1149 | /* | |
1150 | * End of frame was reached. Stop acquisition after the specified | |
d779dcac GT |
1151 | * number of frames or after the specified number of samples, or |
1152 | * continue reception by starting over at the first enabled channel. | |
b23eb1d4 | 1153 | */ |
d779dcac | 1154 | if (++devc->num_frames >= devc->frame_limit || devc->num_samples >= devc->samples_limit) { |
d2f7c417 | 1155 | sr_dev_acquisition_stop(sdi); |
e06875b2 | 1156 | hmo_cleanup_logic_data(devc); |
dc89faea UH |
1157 | } else { |
1158 | devc->current_channel = devc->enabled_channels; | |
1159 | hmo_request_data(sdi); | |
06a3e78a DJ |
1160 | } |
1161 | ||
1162 | return TRUE; | |
1163 | } |