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Commit | Line | Data |
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d38d2ef0 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
d38d2ef0 BV |
3 | * |
4 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
6ec6c43b | 20 | #include <config.h> |
d38d2ef0 BV |
21 | #include <stdlib.h> |
22 | #include <math.h> | |
23 | #include <string.h> | |
4cea0ff7 | 24 | #include <glib.h> |
c1aae900 | 25 | #include <libsigrok/libsigrok.h> |
4cea0ff7 | 26 | #include "libsigrok-internal.h" |
2cb232a9 | 27 | #include "protocol.h" |
d38d2ef0 | 28 | |
d2e3ce76 MP |
29 | static int count_digits(const char *str) { |
30 | int digits; | |
31 | ||
32 | while (*str && *str != ' ' && *str != ',' && *str != '.') | |
33 | str++; | |
34 | ||
35 | digits = 0; | |
36 | if (*str == '.') { | |
37 | str++; | |
38 | while (*str && *str != ' ' && *str != ',') { | |
39 | str++; | |
40 | digits++; | |
41 | } | |
42 | } | |
43 | ||
44 | return digits; | |
45 | } | |
46 | ||
19ab8e36 | 47 | static void handle_qm_18x(const struct sr_dev_inst *sdi, char **tokens) |
fe31f8b9 | 48 | { |
19ab8e36 AS |
49 | struct dev_context *devc; |
50 | struct sr_datafeed_packet packet; | |
51 | struct sr_datafeed_analog analog; | |
3f5cf2a0 UH |
52 | struct sr_analog_encoding encoding; |
53 | struct sr_analog_meaning meaning; | |
54 | struct sr_analog_spec spec; | |
fe31f8b9 BV |
55 | float fvalue; |
56 | char *e, *u; | |
57 | gboolean is_oor; | |
d2e3ce76 | 58 | int digits; |
fe31f8b9 | 59 | |
19ab8e36 AS |
60 | devc = sdi->priv; |
61 | ||
4cea0ff7 | 62 | if (strcmp(tokens[0], "QM") || !tokens[1]) |
19ab8e36 | 63 | return; |
fe31f8b9 BV |
64 | |
65 | if ((e = strstr(tokens[1], "Out of range"))) { | |
66 | is_oor = TRUE; | |
67 | fvalue = -1; | |
d2e3ce76 | 68 | digits = 0; |
0c5f2abc | 69 | while (*e && *e != '.') |
357e341d | 70 | e++; |
fe31f8b9 BV |
71 | } else { |
72 | is_oor = FALSE; | |
357e341d BV |
73 | /* Delimit the float, since sr_atof_ascii() wants only |
74 | * a valid float here. */ | |
75 | e = tokens[1]; | |
0c5f2abc | 76 | while (*e && *e != ' ') |
357e341d BV |
77 | e++; |
78 | *e++ = '\0'; | |
ad42cfeb | 79 | if (sr_atof_ascii(tokens[1], &fvalue) != SR_OK) { |
fe31f8b9 | 80 | /* Happens all the time, when switching modes. */ |
e7f803f3 | 81 | sr_dbg("Invalid float: '%s'", tokens[1]); |
19ab8e36 | 82 | return; |
fe31f8b9 | 83 | } |
d2e3ce76 | 84 | digits = count_digits(tokens[1]); |
fe31f8b9 | 85 | } |
0c5f2abc | 86 | while (*e && *e == ' ') |
fe31f8b9 BV |
87 | e++; |
88 | ||
d2e3ce76 | 89 | sr_analog_init(&analog, &encoding, &meaning, &spec, digits); |
19ab8e36 AS |
90 | analog.data = &fvalue; |
91 | analog.meaning->channels = sdi->channels; | |
92 | analog.num_samples = 1; | |
fe31f8b9 | 93 | if (is_oor) |
19ab8e36 AS |
94 | fvalue = NAN; |
95 | analog.meaning->mq = 0; | |
fe31f8b9 BV |
96 | |
97 | if ((u = strstr(e, "V DC")) || (u = strstr(e, "V AC"))) { | |
19ab8e36 AS |
98 | analog.meaning->mq = SR_MQ_VOLTAGE; |
99 | analog.meaning->unit = SR_UNIT_VOLT; | |
fe31f8b9 | 100 | if (!is_oor && e[0] == 'm') |
19ab8e36 | 101 | fvalue /= 1000; |
fe31f8b9 BV |
102 | /* This catches "V AC", "V DC" and "V AC+DC". */ |
103 | if (strstr(u, "AC")) | |
19ab8e36 | 104 | analog.meaning->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS; |
fe31f8b9 | 105 | if (strstr(u, "DC")) |
19ab8e36 | 106 | analog.meaning->mqflags |= SR_MQFLAG_DC; |
fe31f8b9 | 107 | } else if ((u = strstr(e, "dBV")) || (u = strstr(e, "dBm"))) { |
19ab8e36 | 108 | analog.meaning->mq = SR_MQ_VOLTAGE; |
fe31f8b9 | 109 | if (u[2] == 'm') |
19ab8e36 | 110 | analog.meaning->unit = SR_UNIT_DECIBEL_MW; |
fe31f8b9 | 111 | else |
19ab8e36 AS |
112 | analog.meaning->unit = SR_UNIT_DECIBEL_VOLT; |
113 | analog.meaning->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS; | |
fe31f8b9 | 114 | } else if ((u = strstr(e, "Ohms"))) { |
19ab8e36 AS |
115 | analog.meaning->mq = SR_MQ_RESISTANCE; |
116 | analog.meaning->unit = SR_UNIT_OHM; | |
fe31f8b9 | 117 | if (is_oor) |
19ab8e36 | 118 | fvalue = INFINITY; |
fe31f8b9 | 119 | else if (e[0] == 'k') |
19ab8e36 | 120 | fvalue *= 1000; |
fe31f8b9 | 121 | else if (e[0] == 'M') |
19ab8e36 | 122 | fvalue *= 1000000; |
fe31f8b9 | 123 | } else if (!strcmp(e, "nS")) { |
19ab8e36 AS |
124 | analog.meaning->mq = SR_MQ_CONDUCTANCE; |
125 | analog.meaning->unit = SR_UNIT_SIEMENS; | |
126 | *((float *)analog.data) /= 1e+9; | |
fe31f8b9 | 127 | } else if ((u = strstr(e, "Farads"))) { |
19ab8e36 AS |
128 | analog.meaning->mq = SR_MQ_CAPACITANCE; |
129 | analog.meaning->unit = SR_UNIT_FARAD; | |
fe31f8b9 BV |
130 | if (!is_oor) { |
131 | if (e[0] == 'm') | |
19ab8e36 | 132 | fvalue /= 1e+3; |
fe31f8b9 | 133 | else if (e[0] == 'u') |
19ab8e36 | 134 | fvalue /= 1e+6; |
fe31f8b9 | 135 | else if (e[0] == 'n') |
19ab8e36 | 136 | fvalue /= 1e+9; |
fe31f8b9 BV |
137 | } |
138 | } else if ((u = strstr(e, "Deg C")) || (u = strstr(e, "Deg F"))) { | |
19ab8e36 | 139 | analog.meaning->mq = SR_MQ_TEMPERATURE; |
fe31f8b9 | 140 | if (u[4] == 'C') |
19ab8e36 | 141 | analog.meaning->unit = SR_UNIT_CELSIUS; |
fe31f8b9 | 142 | else |
19ab8e36 | 143 | analog.meaning->unit = SR_UNIT_FAHRENHEIT; |
fe31f8b9 | 144 | } else if ((u = strstr(e, "A AC")) || (u = strstr(e, "A DC"))) { |
19ab8e36 AS |
145 | analog.meaning->mq = SR_MQ_CURRENT; |
146 | analog.meaning->unit = SR_UNIT_AMPERE; | |
fe31f8b9 BV |
147 | /* This catches "A AC", "A DC" and "A AC+DC". */ |
148 | if (strstr(u, "AC")) | |
19ab8e36 | 149 | analog.meaning->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS; |
fe31f8b9 | 150 | if (strstr(u, "DC")) |
19ab8e36 | 151 | analog.meaning->mqflags |= SR_MQFLAG_DC; |
fe31f8b9 BV |
152 | if (!is_oor) { |
153 | if (e[0] == 'm') | |
19ab8e36 | 154 | fvalue /= 1e+3; |
fe31f8b9 | 155 | else if (e[0] == 'u') |
19ab8e36 | 156 | fvalue /= 1e+6; |
fe31f8b9 BV |
157 | } |
158 | } else if ((u = strstr(e, "Hz"))) { | |
19ab8e36 AS |
159 | analog.meaning->mq = SR_MQ_FREQUENCY; |
160 | analog.meaning->unit = SR_UNIT_HERTZ; | |
fe31f8b9 | 161 | if (e[0] == 'k') |
19ab8e36 | 162 | fvalue *= 1e+3; |
fe31f8b9 | 163 | } else if (!strcmp(e, "%")) { |
19ab8e36 AS |
164 | analog.meaning->mq = SR_MQ_DUTY_CYCLE; |
165 | analog.meaning->unit = SR_UNIT_PERCENTAGE; | |
fe31f8b9 | 166 | } else if ((u = strstr(e, "ms"))) { |
19ab8e36 AS |
167 | analog.meaning->mq = SR_MQ_PULSE_WIDTH; |
168 | analog.meaning->unit = SR_UNIT_SECOND; | |
169 | fvalue /= 1e+3; | |
fe31f8b9 BV |
170 | } |
171 | ||
19ab8e36 AS |
172 | if (analog.meaning->mq != 0) { |
173 | /* Got a measurement. */ | |
174 | packet.type = SR_DF_ANALOG; | |
175 | packet.payload = &analog; | |
176 | sr_session_send(sdi, &packet); | |
177 | sr_sw_limits_update_samples_read(&devc->limits, 1); | |
fe31f8b9 | 178 | } |
fe31f8b9 BV |
179 | } |
180 | ||
19ab8e36 | 181 | static void handle_qm_28x(const struct sr_dev_inst *sdi, char **tokens) |
d38d2ef0 | 182 | { |
19ab8e36 AS |
183 | struct dev_context *devc; |
184 | struct sr_datafeed_packet packet; | |
185 | struct sr_datafeed_analog analog; | |
3f5cf2a0 UH |
186 | struct sr_analog_encoding encoding; |
187 | struct sr_analog_meaning meaning; | |
188 | struct sr_analog_spec spec; | |
d38d2ef0 | 189 | float fvalue; |
d2e3ce76 | 190 | int digits; |
d38d2ef0 | 191 | |
19ab8e36 AS |
192 | devc = sdi->priv; |
193 | ||
4cea0ff7 | 194 | if (!tokens[1]) |
19ab8e36 | 195 | return; |
4cea0ff7 | 196 | |
ad42cfeb | 197 | if (sr_atof_ascii(tokens[0], &fvalue) != SR_OK) { |
357e341d | 198 | sr_err("Invalid float '%s'.", tokens[0]); |
19ab8e36 | 199 | return; |
d38d2ef0 | 200 | } |
d2e3ce76 | 201 | digits = count_digits(tokens[0]); |
d38d2ef0 | 202 | |
d2e3ce76 | 203 | sr_analog_init(&analog, &encoding, &meaning, &spec, digits); |
19ab8e36 AS |
204 | analog.data = &fvalue; |
205 | analog.meaning->channels = sdi->channels; | |
206 | analog.num_samples = 1; | |
207 | analog.meaning->mq = 0; | |
d38d2ef0 BV |
208 | |
209 | if (!strcmp(tokens[1], "VAC") || !strcmp(tokens[1], "VDC")) { | |
19ab8e36 AS |
210 | analog.meaning->mq = SR_MQ_VOLTAGE; |
211 | analog.meaning->unit = SR_UNIT_VOLT; | |
d38d2ef0 BV |
212 | if (!strcmp(tokens[2], "NORMAL")) { |
213 | if (tokens[1][1] == 'A') { | |
19ab8e36 AS |
214 | analog.meaning->mqflags |= SR_MQFLAG_AC; |
215 | analog.meaning->mqflags |= SR_MQFLAG_RMS; | |
d38d2ef0 | 216 | } else |
19ab8e36 | 217 | analog.meaning->mqflags |= SR_MQFLAG_DC; |
d38d2ef0 | 218 | } else if (!strcmp(tokens[2], "OL") || !strcmp(tokens[2], "OL_MINUS")) { |
19ab8e36 | 219 | fvalue = NAN; |
d38d2ef0 | 220 | } else |
19ab8e36 | 221 | analog.meaning->mq = 0; |
a28dac0a | 222 | } else if (!strcmp(tokens[1], "dBV") || !strcmp(tokens[1], "dBm")) { |
19ab8e36 | 223 | analog.meaning->mq = SR_MQ_VOLTAGE; |
2c04dede | 224 | if (tokens[1][2] == 'm') |
19ab8e36 | 225 | analog.meaning->unit = SR_UNIT_DECIBEL_MW; |
2c04dede | 226 | else |
19ab8e36 AS |
227 | analog.meaning->unit = SR_UNIT_DECIBEL_VOLT; |
228 | analog.meaning->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS; | |
a28dac0a | 229 | } else if (!strcmp(tokens[1], "CEL") || !strcmp(tokens[1], "FAR")) { |
d38d2ef0 | 230 | if (!strcmp(tokens[2], "NORMAL")) { |
19ab8e36 | 231 | analog.meaning->mq = SR_MQ_TEMPERATURE; |
d38d2ef0 | 232 | if (tokens[1][0] == 'C') |
19ab8e36 | 233 | analog.meaning->unit = SR_UNIT_CELSIUS; |
d38d2ef0 | 234 | else |
19ab8e36 | 235 | analog.meaning->unit = SR_UNIT_FAHRENHEIT; |
d38d2ef0 | 236 | } |
a28dac0a | 237 | } else if (!strcmp(tokens[1], "OHM")) { |
d38d2ef0 | 238 | if (!strcmp(tokens[3], "NONE")) { |
19ab8e36 AS |
239 | analog.meaning->mq = SR_MQ_RESISTANCE; |
240 | analog.meaning->unit = SR_UNIT_OHM; | |
d38d2ef0 | 241 | if (!strcmp(tokens[2], "OL") || !strcmp(tokens[2], "OL_MINUS")) { |
19ab8e36 | 242 | fvalue = INFINITY; |
d38d2ef0 | 243 | } else if (strcmp(tokens[2], "NORMAL")) |
19ab8e36 | 244 | analog.meaning->mq = 0; |
d38d2ef0 | 245 | } else if (!strcmp(tokens[3], "OPEN_CIRCUIT")) { |
19ab8e36 AS |
246 | analog.meaning->mq = SR_MQ_CONTINUITY; |
247 | analog.meaning->unit = SR_UNIT_BOOLEAN; | |
248 | fvalue = 0.0; | |
d38d2ef0 | 249 | } else if (!strcmp(tokens[3], "SHORT_CIRCUIT")) { |
19ab8e36 AS |
250 | analog.meaning->mq = SR_MQ_CONTINUITY; |
251 | analog.meaning->unit = SR_UNIT_BOOLEAN; | |
252 | fvalue = 1.0; | |
d38d2ef0 | 253 | } |
a28dac0a | 254 | } else if (!strcmp(tokens[1], "F") |
d38d2ef0 BV |
255 | && !strcmp(tokens[2], "NORMAL") |
256 | && !strcmp(tokens[3], "NONE")) { | |
19ab8e36 AS |
257 | analog.meaning->mq = SR_MQ_CAPACITANCE; |
258 | analog.meaning->unit = SR_UNIT_FARAD; | |
d38d2ef0 | 259 | } else if (!strcmp(tokens[1], "AAC") || !strcmp(tokens[1], "ADC")) { |
19ab8e36 AS |
260 | analog.meaning->mq = SR_MQ_CURRENT; |
261 | analog.meaning->unit = SR_UNIT_AMPERE; | |
d38d2ef0 BV |
262 | if (!strcmp(tokens[2], "NORMAL")) { |
263 | if (tokens[1][1] == 'A') { | |
19ab8e36 AS |
264 | analog.meaning->mqflags |= SR_MQFLAG_AC; |
265 | analog.meaning->mqflags |= SR_MQFLAG_RMS; | |
d38d2ef0 | 266 | } else |
19ab8e36 | 267 | analog.meaning->mqflags |= SR_MQFLAG_DC; |
d38d2ef0 | 268 | } else if (!strcmp(tokens[2], "OL") || !strcmp(tokens[2], "OL_MINUS")) { |
19ab8e36 | 269 | fvalue = NAN; |
d38d2ef0 | 270 | } else |
19ab8e36 AS |
271 | analog.meaning->mq = 0; |
272 | } else if (!strcmp(tokens[1], "Hz") && !strcmp(tokens[2], "NORMAL")) { | |
273 | analog.meaning->mq = SR_MQ_FREQUENCY; | |
274 | analog.meaning->unit = SR_UNIT_HERTZ; | |
a28dac0a | 275 | } else if (!strcmp(tokens[1], "PCT") && !strcmp(tokens[2], "NORMAL")) { |
19ab8e36 AS |
276 | analog.meaning->mq = SR_MQ_DUTY_CYCLE; |
277 | analog.meaning->unit = SR_UNIT_PERCENTAGE; | |
a28dac0a | 278 | } else if (!strcmp(tokens[1], "S") && !strcmp(tokens[2], "NORMAL")) { |
19ab8e36 AS |
279 | analog.meaning->mq = SR_MQ_PULSE_WIDTH; |
280 | analog.meaning->unit = SR_UNIT_SECOND; | |
a28dac0a | 281 | } else if (!strcmp(tokens[1], "SIE") && !strcmp(tokens[2], "NORMAL")) { |
19ab8e36 AS |
282 | analog.meaning->mq = SR_MQ_CONDUCTANCE; |
283 | analog.meaning->unit = SR_UNIT_SIEMENS; | |
d38d2ef0 BV |
284 | } |
285 | ||
19ab8e36 AS |
286 | if (analog.meaning->mq != 0) { |
287 | /* Got a measurement. */ | |
288 | packet.type = SR_DF_ANALOG; | |
289 | packet.payload = &analog; | |
290 | sr_session_send(sdi, &packet); | |
291 | sr_sw_limits_update_samples_read(&devc->limits, 1); | |
d38d2ef0 | 292 | } |
d38d2ef0 BV |
293 | } |
294 | ||
11fb7110 BV |
295 | static void handle_qm_19x_meta(const struct sr_dev_inst *sdi, char **tokens) |
296 | { | |
297 | struct dev_context *devc; | |
298 | int meas_type, meas_unit, meas_char, i; | |
299 | ||
300 | /* Make sure we have 7 valid tokens. */ | |
301 | for (i = 0; tokens[i] && i < 7; i++); | |
302 | if (i != 7) | |
303 | return; | |
304 | ||
305 | if (strcmp(tokens[1], "1")) | |
306 | /* Invalid measurement. */ | |
307 | return; | |
308 | ||
309 | if (strcmp(tokens[2], "3")) | |
310 | /* Only interested in input from the meter mode source. */ | |
311 | return; | |
312 | ||
313 | devc = sdi->priv; | |
314 | ||
315 | /* Measurement type 11 == absolute, 19 = relative */ | |
316 | meas_type = strtol(tokens[0], NULL, 10); | |
317 | if (meas_type != 11 && meas_type != 19) | |
318 | /* Device is in some mode we don't support. */ | |
319 | return; | |
320 | ||
321 | /* We might get metadata for absolute and relative mode (if the device | |
322 | * is in relative mode). In that case, relative takes precedence. */ | |
323 | if (meas_type == 11 && devc->meas_type == 19) | |
324 | return; | |
325 | ||
326 | meas_unit = strtol(tokens[3], NULL, 10); | |
327 | if (meas_unit == 0) | |
328 | /* Device is turned off. Really. */ | |
329 | return; | |
330 | meas_char = strtol(tokens[4], NULL, 10); | |
331 | ||
55ec0b67 UH |
332 | devc->mq = 0; |
333 | devc->unit = 0; | |
334 | devc->mqflags = 0; | |
335 | ||
11fb7110 BV |
336 | switch (meas_unit) { |
337 | case 1: | |
338 | devc->mq = SR_MQ_VOLTAGE; | |
339 | devc->unit = SR_UNIT_VOLT; | |
340 | if (meas_char == 1) | |
341 | devc->mqflags |= SR_MQFLAG_DC; | |
342 | else if (meas_char == 2) | |
343 | devc->mqflags |= SR_MQFLAG_AC; | |
344 | else if (meas_char == 3) | |
345 | devc->mqflags |= SR_MQFLAG_DC | SR_MQFLAG_AC; | |
346 | else if (meas_char == 15) | |
64aa214a | 347 | devc->mqflags |= SR_MQFLAG_DIODE | SR_MQFLAG_DC; |
11fb7110 BV |
348 | break; |
349 | case 2: | |
350 | devc->mq = SR_MQ_CURRENT; | |
351 | devc->unit = SR_UNIT_AMPERE; | |
352 | if (meas_char == 1) | |
353 | devc->mqflags |= SR_MQFLAG_DC; | |
354 | else if (meas_char == 2) | |
355 | devc->mqflags |= SR_MQFLAG_AC; | |
356 | else if (meas_char == 3) | |
357 | devc->mqflags |= SR_MQFLAG_DC | SR_MQFLAG_AC; | |
358 | break; | |
359 | case 3: | |
360 | if (meas_char == 1) { | |
361 | devc->mq = SR_MQ_RESISTANCE; | |
362 | devc->unit = SR_UNIT_OHM; | |
363 | } else if (meas_char == 16) { | |
364 | devc->mq = SR_MQ_CONTINUITY; | |
365 | devc->unit = SR_UNIT_BOOLEAN; | |
366 | } | |
367 | break; | |
368 | case 12: | |
369 | devc->mq = SR_MQ_TEMPERATURE; | |
370 | devc->unit = SR_UNIT_CELSIUS; | |
371 | break; | |
372 | case 13: | |
373 | devc->mq = SR_MQ_TEMPERATURE; | |
374 | devc->unit = SR_UNIT_FAHRENHEIT; | |
375 | break; | |
376 | default: | |
377 | sr_dbg("unknown unit: %d", meas_unit); | |
378 | } | |
3f5cf2a0 | 379 | if (devc->mq == 0 && devc->unit == 0) |
11fb7110 BV |
380 | return; |
381 | ||
382 | /* If we got here, we know how to interpret the measurement. */ | |
383 | devc->meas_type = meas_type; | |
384 | if (meas_type == 11) | |
385 | /* Absolute meter reading. */ | |
386 | devc->is_relative = FALSE; | |
387 | else if (!strcmp(tokens[0], "19")) | |
388 | /* Relative meter reading. */ | |
389 | devc->is_relative = TRUE; | |
390 | ||
391 | } | |
392 | ||
393 | static void handle_qm_19x_data(const struct sr_dev_inst *sdi, char **tokens) | |
394 | { | |
395 | struct dev_context *devc; | |
396 | struct sr_datafeed_packet packet; | |
3f5cf2a0 UH |
397 | struct sr_datafeed_analog analog; |
398 | struct sr_analog_encoding encoding; | |
399 | struct sr_analog_meaning meaning; | |
400 | struct sr_analog_spec spec; | |
11fb7110 | 401 | float fvalue; |
d2e3ce76 | 402 | int digits; |
11fb7110 | 403 | |
d2e3ce76 | 404 | digits = 2; |
11fb7110 BV |
405 | if (!strcmp(tokens[0], "9.9E+37")) { |
406 | /* An invalid measurement shows up on the display as "OL", but | |
407 | * comes through like this. Since comparing 38-digit floats | |
408 | * is rather problematic, we'll cut through this here. */ | |
409 | fvalue = NAN; | |
410 | } else { | |
357e341d | 411 | if (sr_atof_ascii(tokens[0], &fvalue) != SR_OK || fvalue == 0.0) { |
11fb7110 BV |
412 | sr_err("Invalid float '%s'.", tokens[0]); |
413 | return; | |
414 | } | |
d2e3ce76 | 415 | digits = count_digits(tokens[0]); |
11fb7110 BV |
416 | } |
417 | ||
418 | devc = sdi->priv; | |
3f5cf2a0 | 419 | if (devc->mq == 0 || devc->unit == 0) |
11fb7110 BV |
420 | /* Don't have valid metadata yet. */ |
421 | return; | |
422 | ||
11fb7110 BV |
423 | if (devc->mq == SR_MQ_RESISTANCE && isnan(fvalue)) |
424 | fvalue = INFINITY; | |
425 | else if (devc->mq == SR_MQ_CONTINUITY) { | |
426 | if (isnan(fvalue)) | |
427 | fvalue = 0.0; | |
428 | else | |
429 | fvalue = 1.0; | |
430 | } | |
431 | ||
d2e3ce76 | 432 | sr_analog_init(&analog, &encoding, &meaning, &spec, digits); |
3f5cf2a0 | 433 | analog.meaning->channels = sdi->channels; |
11fb7110 BV |
434 | analog.num_samples = 1; |
435 | analog.data = &fvalue; | |
3f5cf2a0 UH |
436 | analog.meaning->mq = devc->mq; |
437 | analog.meaning->unit = devc->unit; | |
438 | analog.meaning->mqflags = 0; | |
439 | packet.type = SR_DF_ANALOG; | |
11fb7110 | 440 | packet.payload = &analog; |
695dc859 | 441 | sr_session_send(sdi, &packet); |
11fb7110 | 442 | |
6aacf011 | 443 | sr_sw_limits_update_samples_read(&devc->limits, 1); |
11fb7110 BV |
444 | } |
445 | ||
d38d2ef0 BV |
446 | static void handle_line(const struct sr_dev_inst *sdi) |
447 | { | |
448 | struct dev_context *devc; | |
919681f0 | 449 | struct sr_serial_dev_inst *serial; |
11fb7110 BV |
450 | int num_tokens, n, i; |
451 | char cmd[16], **tokens; | |
ebf6aa30 | 452 | int ret; |
d38d2ef0 BV |
453 | |
454 | devc = sdi->priv; | |
919681f0 | 455 | serial = sdi->conn; |
31d84da3 | 456 | sr_spew("Received line '%s' (%d).", devc->buf, devc->buflen); |
d38d2ef0 BV |
457 | |
458 | if (devc->buflen == 1) { | |
459 | if (devc->buf[0] != '0') { | |
460 | /* Not just a CMD_ACK from the query command. */ | |
31d84da3 | 461 | sr_dbg("Got CMD_ACK '%c'.", devc->buf[0]); |
d38d2ef0 BV |
462 | devc->expect_response = FALSE; |
463 | } | |
464 | devc->buflen = 0; | |
465 | return; | |
466 | } | |
467 | ||
d38d2ef0 | 468 | tokens = g_strsplit(devc->buf, ",", 0); |
4cea0ff7 | 469 | if (tokens[0]) { |
ebf6aa30 GS |
470 | switch (devc->profile->model) { |
471 | case FLUKE_87: | |
472 | case FLUKE_89: | |
473 | case FLUKE_187: | |
474 | case FLUKE_189: | |
fe31f8b9 | 475 | devc->expect_response = FALSE; |
19ab8e36 | 476 | handle_qm_18x(sdi, tokens); |
ebf6aa30 GS |
477 | break; |
478 | case FLUKE_287: | |
479 | case FLUKE_289: | |
d38d2ef0 | 480 | devc->expect_response = FALSE; |
19ab8e36 | 481 | handle_qm_28x(sdi, tokens); |
ebf6aa30 GS |
482 | break; |
483 | case FLUKE_190: | |
11fb7110 | 484 | devc->expect_response = FALSE; |
ebf6aa30 GS |
485 | num_tokens = g_strv_length(tokens); |
486 | if (num_tokens < 7) { | |
11fb7110 BV |
487 | /* Response to QM <n> measurement request. */ |
488 | handle_qm_19x_data(sdi, tokens); | |
ebf6aa30 | 489 | break; |
11fb7110 | 490 | } |
ebf6aa30 GS |
491 | /* |
492 | * Response to QM: This is a comma-separated list of | |
493 | * fields with metadata about the measurement. This | |
494 | * format can return multiple sets of metadata, | |
495 | * split into sets of 7 tokens each. | |
496 | */ | |
497 | devc->meas_type = 0; | |
498 | for (i = 0; i < num_tokens; i += 7) | |
499 | handle_qm_19x_meta(sdi, tokens + i); | |
500 | if (devc->meas_type) { | |
501 | /* | |
502 | * Slip the request in now, before the main | |
503 | * timer loop asks for metadata again. | |
504 | */ | |
505 | n = sprintf(cmd, "QM %d\r", devc->meas_type); | |
506 | ret = serial_write_blocking(serial, | |
507 | cmd, n, SERIAL_WRITE_TIMEOUT_MS); | |
508 | if (ret < 0) | |
509 | sr_err("Cannot send QM (measurement)."); | |
510 | } | |
511 | break; | |
d38d2ef0 | 512 | } |
d38d2ef0 BV |
513 | } |
514 | g_strfreev(tokens); | |
515 | devc->buflen = 0; | |
d38d2ef0 BV |
516 | } |
517 | ||
518 | SR_PRIV int fluke_receive_data(int fd, int revents, void *cb_data) | |
519 | { | |
642e9d62 | 520 | struct sr_dev_inst *sdi; |
d38d2ef0 | 521 | struct dev_context *devc; |
919681f0 | 522 | struct sr_serial_dev_inst *serial; |
d38d2ef0 BV |
523 | int len; |
524 | int64_t now, elapsed; | |
525 | ||
58d03f03 BV |
526 | (void)fd; |
527 | ||
d38d2ef0 BV |
528 | if (!(sdi = cb_data)) |
529 | return TRUE; | |
530 | ||
531 | if (!(devc = sdi->priv)) | |
532 | return TRUE; | |
533 | ||
919681f0 | 534 | serial = sdi->conn; |
d38d2ef0 BV |
535 | if (revents == G_IO_IN) { |
536 | /* Serial data arrived. */ | |
0c5f2abc | 537 | while (FLUKEDMM_BUFSIZE - devc->buflen - 1 > 0) { |
707fa85a | 538 | len = serial_read_nonblocking(serial, devc->buf + devc->buflen, 1); |
d38d2ef0 BV |
539 | if (len < 1) |
540 | break; | |
541 | devc->buflen++; | |
542 | *(devc->buf + devc->buflen) = '\0'; | |
543 | if (*(devc->buf + devc->buflen - 1) == '\r') { | |
544 | *(devc->buf + --devc->buflen) = '\0'; | |
545 | handle_line(sdi); | |
546 | break; | |
547 | } | |
548 | } | |
549 | } | |
550 | ||
6aacf011 | 551 | if (sr_sw_limits_check(&devc->limits)) { |
d2f7c417 | 552 | sr_dev_acquisition_stop(sdi); |
d38d2ef0 BV |
553 | return TRUE; |
554 | } | |
555 | ||
556 | now = g_get_monotonic_time() / 1000; | |
557 | elapsed = now - devc->cmd_sent_at; | |
558 | /* Send query command at poll_period interval, or after 1 second | |
d4b11de0 BV |
559 | * has elapsed. This will make it easier to recover from any |
560 | * out-of-sync or temporary disconnect issues. */ | |
d38d2ef0 | 561 | if ((devc->expect_response == FALSE && elapsed > devc->profile->poll_period) |
d4b11de0 | 562 | || elapsed > devc->profile->timeout) { |
20401400 | 563 | if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) |
bb27c765 | 564 | sr_err("Unable to send QM."); |
d38d2ef0 BV |
565 | devc->cmd_sent_at = now; |
566 | devc->expect_response = TRUE; | |
567 | } | |
568 | ||
569 | return TRUE; | |
570 | } |