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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 BV |
26 | #include "libsigrok-internal.h" |
27 | #include "fluke-dmm.h" | |
d38d2ef0 | 28 | |
3f5cf2a0 | 29 | static struct sr_datafeed_analog *handle_qm_18x(const struct sr_dev_inst *sdi, |
fe31f8b9 BV |
30 | char **tokens) |
31 | { | |
3f5cf2a0 UH |
32 | struct sr_datafeed_analog *analog; |
33 | struct sr_analog_encoding encoding; | |
34 | struct sr_analog_meaning meaning; | |
35 | struct sr_analog_spec spec; | |
fe31f8b9 BV |
36 | float fvalue; |
37 | char *e, *u; | |
38 | gboolean is_oor; | |
39 | ||
4cea0ff7 | 40 | if (strcmp(tokens[0], "QM") || !tokens[1]) |
fe31f8b9 BV |
41 | return NULL; |
42 | ||
43 | if ((e = strstr(tokens[1], "Out of range"))) { | |
44 | is_oor = TRUE; | |
45 | fvalue = -1; | |
0c5f2abc | 46 | while (*e && *e != '.') |
357e341d | 47 | e++; |
fe31f8b9 BV |
48 | } else { |
49 | is_oor = FALSE; | |
357e341d BV |
50 | /* Delimit the float, since sr_atof_ascii() wants only |
51 | * a valid float here. */ | |
52 | e = tokens[1]; | |
0c5f2abc | 53 | while (*e && *e != ' ') |
357e341d BV |
54 | e++; |
55 | *e++ = '\0'; | |
56 | if (sr_atof_ascii(tokens[1], &fvalue) != SR_OK || fvalue == 0.0) { | |
fe31f8b9 | 57 | /* Happens all the time, when switching modes. */ |
31d84da3 | 58 | sr_dbg("Invalid float."); |
fe31f8b9 BV |
59 | return NULL; |
60 | } | |
61 | } | |
0c5f2abc | 62 | while (*e && *e == ' ') |
fe31f8b9 BV |
63 | e++; |
64 | ||
3f5cf2a0 UH |
65 | analog = g_malloc0(sizeof(struct sr_datafeed_analog)); |
66 | sr_analog_init(analog, &encoding, &meaning, &spec, 0); | |
a95f142e | 67 | analog->data = g_malloc(sizeof(float)); |
3f5cf2a0 | 68 | analog->meaning->channels = sdi->channels; |
fe31f8b9 | 69 | analog->num_samples = 1; |
fe31f8b9 | 70 | if (is_oor) |
3f5cf2a0 | 71 | *((float *)analog->data) = NAN; |
fe31f8b9 | 72 | else |
3f5cf2a0 UH |
73 | *((float *)analog->data) = fvalue; |
74 | analog->meaning->mq = 0; | |
fe31f8b9 BV |
75 | |
76 | if ((u = strstr(e, "V DC")) || (u = strstr(e, "V AC"))) { | |
3f5cf2a0 UH |
77 | analog->meaning->mq = SR_MQ_VOLTAGE; |
78 | analog->meaning->unit = SR_UNIT_VOLT; | |
fe31f8b9 | 79 | if (!is_oor && e[0] == 'm') |
3f5cf2a0 | 80 | *((float *)analog->data) /= 1000; |
fe31f8b9 BV |
81 | /* This catches "V AC", "V DC" and "V AC+DC". */ |
82 | if (strstr(u, "AC")) | |
3f5cf2a0 | 83 | analog->meaning->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS; |
fe31f8b9 | 84 | if (strstr(u, "DC")) |
3f5cf2a0 | 85 | analog->meaning->mqflags |= SR_MQFLAG_DC; |
fe31f8b9 | 86 | } else if ((u = strstr(e, "dBV")) || (u = strstr(e, "dBm"))) { |
3f5cf2a0 | 87 | analog->meaning->mq = SR_MQ_VOLTAGE; |
fe31f8b9 | 88 | if (u[2] == 'm') |
3f5cf2a0 | 89 | analog->meaning->unit = SR_UNIT_DECIBEL_MW; |
fe31f8b9 | 90 | else |
3f5cf2a0 UH |
91 | analog->meaning->unit = SR_UNIT_DECIBEL_VOLT; |
92 | analog->meaning->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS; | |
fe31f8b9 | 93 | } else if ((u = strstr(e, "Ohms"))) { |
3f5cf2a0 UH |
94 | analog->meaning->mq = SR_MQ_RESISTANCE; |
95 | analog->meaning->unit = SR_UNIT_OHM; | |
fe31f8b9 | 96 | if (is_oor) |
3f5cf2a0 | 97 | *((float *)analog->data) = INFINITY; |
fe31f8b9 | 98 | else if (e[0] == 'k') |
3f5cf2a0 | 99 | *((float *)analog->data) *= 1000; |
fe31f8b9 | 100 | else if (e[0] == 'M') |
3f5cf2a0 | 101 | *((float *)analog->data) *= 1000000; |
fe31f8b9 | 102 | } else if (!strcmp(e, "nS")) { |
3f5cf2a0 UH |
103 | analog->meaning->mq = SR_MQ_CONDUCTANCE; |
104 | analog->meaning->unit = SR_UNIT_SIEMENS; | |
105 | *((float *)analog->data) /= 1e+9; | |
fe31f8b9 | 106 | } else if ((u = strstr(e, "Farads"))) { |
3f5cf2a0 UH |
107 | analog->meaning->mq = SR_MQ_CAPACITANCE; |
108 | analog->meaning->unit = SR_UNIT_FARAD; | |
fe31f8b9 BV |
109 | if (!is_oor) { |
110 | if (e[0] == 'm') | |
3f5cf2a0 | 111 | *((float *)analog->data) /= 1e+3; |
fe31f8b9 | 112 | else if (e[0] == 'u') |
3f5cf2a0 | 113 | *((float *)analog->data) /= 1e+6; |
fe31f8b9 | 114 | else if (e[0] == 'n') |
3f5cf2a0 | 115 | *((float *)analog->data) /= 1e+9; |
fe31f8b9 BV |
116 | } |
117 | } else if ((u = strstr(e, "Deg C")) || (u = strstr(e, "Deg F"))) { | |
3f5cf2a0 | 118 | analog->meaning->mq = SR_MQ_TEMPERATURE; |
fe31f8b9 | 119 | if (u[4] == 'C') |
3f5cf2a0 | 120 | analog->meaning->unit = SR_UNIT_CELSIUS; |
fe31f8b9 | 121 | else |
3f5cf2a0 | 122 | analog->meaning->unit = SR_UNIT_FAHRENHEIT; |
fe31f8b9 | 123 | } else if ((u = strstr(e, "A AC")) || (u = strstr(e, "A DC"))) { |
3f5cf2a0 UH |
124 | analog->meaning->mq = SR_MQ_CURRENT; |
125 | analog->meaning->unit = SR_UNIT_AMPERE; | |
fe31f8b9 BV |
126 | /* This catches "A AC", "A DC" and "A AC+DC". */ |
127 | if (strstr(u, "AC")) | |
3f5cf2a0 | 128 | analog->meaning->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS; |
fe31f8b9 | 129 | if (strstr(u, "DC")) |
3f5cf2a0 | 130 | analog->meaning->mqflags |= SR_MQFLAG_DC; |
fe31f8b9 BV |
131 | if (!is_oor) { |
132 | if (e[0] == 'm') | |
3f5cf2a0 | 133 | *((float *)analog->data) /= 1e+3; |
fe31f8b9 | 134 | else if (e[0] == 'u') |
3f5cf2a0 | 135 | *((float *)analog->data) /= 1e+6; |
fe31f8b9 BV |
136 | } |
137 | } else if ((u = strstr(e, "Hz"))) { | |
3f5cf2a0 UH |
138 | analog->meaning->mq = SR_MQ_FREQUENCY; |
139 | analog->meaning->unit = SR_UNIT_HERTZ; | |
fe31f8b9 | 140 | if (e[0] == 'k') |
3f5cf2a0 | 141 | *((float *)analog->data) *= 1e+3; |
fe31f8b9 | 142 | } else if (!strcmp(e, "%")) { |
3f5cf2a0 UH |
143 | analog->meaning->mq = SR_MQ_DUTY_CYCLE; |
144 | analog->meaning->unit = SR_UNIT_PERCENTAGE; | |
fe31f8b9 | 145 | } else if ((u = strstr(e, "ms"))) { |
3f5cf2a0 UH |
146 | analog->meaning->mq = SR_MQ_PULSE_WIDTH; |
147 | analog->meaning->unit = SR_UNIT_SECOND; | |
148 | *((float *)analog->data) /= 1e+3; | |
fe31f8b9 BV |
149 | } |
150 | ||
3f5cf2a0 | 151 | if (analog->meaning->mq == 0) { |
fe31f8b9 BV |
152 | /* Not a valid measurement. */ |
153 | g_free(analog->data); | |
154 | g_free(analog); | |
155 | analog = NULL; | |
156 | } | |
157 | ||
158 | return analog; | |
159 | } | |
160 | ||
3f5cf2a0 | 161 | static struct sr_datafeed_analog *handle_qm_28x(const struct sr_dev_inst *sdi, |
d38d2ef0 BV |
162 | char **tokens) |
163 | { | |
3f5cf2a0 UH |
164 | struct sr_datafeed_analog *analog; |
165 | struct sr_analog_encoding encoding; | |
166 | struct sr_analog_meaning meaning; | |
167 | struct sr_analog_spec spec; | |
d38d2ef0 | 168 | float fvalue; |
d38d2ef0 | 169 | |
4cea0ff7 BV |
170 | if (!tokens[1]) |
171 | return NULL; | |
172 | ||
357e341d BV |
173 | if (sr_atof_ascii(tokens[0], &fvalue) != SR_OK || fvalue == 0.0) { |
174 | sr_err("Invalid float '%s'.", tokens[0]); | |
d38d2ef0 BV |
175 | return NULL; |
176 | } | |
177 | ||
3f5cf2a0 UH |
178 | analog = g_malloc0(sizeof(struct sr_datafeed_analog)); |
179 | sr_analog_init(analog, &encoding, &meaning, &spec, 0); | |
a95f142e | 180 | analog->data = g_malloc(sizeof(float)); |
3f5cf2a0 | 181 | analog->meaning->channels = sdi->channels; |
d38d2ef0 | 182 | analog->num_samples = 1; |
3f5cf2a0 UH |
183 | *((float *)analog->data) = fvalue; |
184 | analog->meaning->mq = 0; | |
d38d2ef0 BV |
185 | |
186 | if (!strcmp(tokens[1], "VAC") || !strcmp(tokens[1], "VDC")) { | |
3f5cf2a0 UH |
187 | analog->meaning->mq = SR_MQ_VOLTAGE; |
188 | analog->meaning->unit = SR_UNIT_VOLT; | |
d38d2ef0 BV |
189 | if (!strcmp(tokens[2], "NORMAL")) { |
190 | if (tokens[1][1] == 'A') { | |
3f5cf2a0 UH |
191 | analog->meaning->mqflags |= SR_MQFLAG_AC; |
192 | analog->meaning->mqflags |= SR_MQFLAG_RMS; | |
d38d2ef0 | 193 | } else |
3f5cf2a0 | 194 | analog->meaning->mqflags |= SR_MQFLAG_DC; |
d38d2ef0 | 195 | } else if (!strcmp(tokens[2], "OL") || !strcmp(tokens[2], "OL_MINUS")) { |
3f5cf2a0 | 196 | *((float *)analog->data) = NAN; |
d38d2ef0 | 197 | } else |
3f5cf2a0 | 198 | analog->meaning->mq = 0; |
a28dac0a | 199 | } else if (!strcmp(tokens[1], "dBV") || !strcmp(tokens[1], "dBm")) { |
3f5cf2a0 | 200 | analog->meaning->mq = SR_MQ_VOLTAGE; |
2c04dede | 201 | if (tokens[1][2] == 'm') |
3f5cf2a0 | 202 | analog->meaning->unit = SR_UNIT_DECIBEL_MW; |
2c04dede | 203 | else |
3f5cf2a0 UH |
204 | analog->meaning->unit = SR_UNIT_DECIBEL_VOLT; |
205 | analog->meaning->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS; | |
a28dac0a | 206 | } else if (!strcmp(tokens[1], "CEL") || !strcmp(tokens[1], "FAR")) { |
d38d2ef0 | 207 | if (!strcmp(tokens[2], "NORMAL")) { |
3f5cf2a0 | 208 | analog->meaning->mq = SR_MQ_TEMPERATURE; |
d38d2ef0 | 209 | if (tokens[1][0] == 'C') |
3f5cf2a0 | 210 | analog->meaning->unit = SR_UNIT_CELSIUS; |
d38d2ef0 | 211 | else |
3f5cf2a0 | 212 | analog->meaning->unit = SR_UNIT_FAHRENHEIT; |
d38d2ef0 | 213 | } |
a28dac0a | 214 | } else if (!strcmp(tokens[1], "OHM")) { |
d38d2ef0 | 215 | if (!strcmp(tokens[3], "NONE")) { |
3f5cf2a0 UH |
216 | analog->meaning->mq = SR_MQ_RESISTANCE; |
217 | analog->meaning->unit = SR_UNIT_OHM; | |
d38d2ef0 | 218 | if (!strcmp(tokens[2], "OL") || !strcmp(tokens[2], "OL_MINUS")) { |
3f5cf2a0 | 219 | *((float *)analog->data) = INFINITY; |
d38d2ef0 | 220 | } else if (strcmp(tokens[2], "NORMAL")) |
3f5cf2a0 | 221 | analog->meaning->mq = 0; |
d38d2ef0 | 222 | } else if (!strcmp(tokens[3], "OPEN_CIRCUIT")) { |
3f5cf2a0 UH |
223 | analog->meaning->mq = SR_MQ_CONTINUITY; |
224 | analog->meaning->unit = SR_UNIT_BOOLEAN; | |
225 | *((float *)analog->data) = 0.0; | |
d38d2ef0 | 226 | } else if (!strcmp(tokens[3], "SHORT_CIRCUIT")) { |
3f5cf2a0 UH |
227 | analog->meaning->mq = SR_MQ_CONTINUITY; |
228 | analog->meaning->unit = SR_UNIT_BOOLEAN; | |
229 | *((float *)analog->data) = 1.0; | |
d38d2ef0 | 230 | } |
a28dac0a | 231 | } else if (!strcmp(tokens[1], "F") |
d38d2ef0 BV |
232 | && !strcmp(tokens[2], "NORMAL") |
233 | && !strcmp(tokens[3], "NONE")) { | |
3f5cf2a0 UH |
234 | analog->meaning->mq = SR_MQ_CAPACITANCE; |
235 | analog->meaning->unit = SR_UNIT_FARAD; | |
d38d2ef0 | 236 | } else if (!strcmp(tokens[1], "AAC") || !strcmp(tokens[1], "ADC")) { |
3f5cf2a0 UH |
237 | analog->meaning->mq = SR_MQ_CURRENT; |
238 | analog->meaning->unit = SR_UNIT_AMPERE; | |
d38d2ef0 BV |
239 | if (!strcmp(tokens[2], "NORMAL")) { |
240 | if (tokens[1][1] == 'A') { | |
3f5cf2a0 UH |
241 | analog->meaning->mqflags |= SR_MQFLAG_AC; |
242 | analog->meaning->mqflags |= SR_MQFLAG_RMS; | |
d38d2ef0 | 243 | } else |
3f5cf2a0 | 244 | analog->meaning->mqflags |= SR_MQFLAG_DC; |
d38d2ef0 | 245 | } else if (!strcmp(tokens[2], "OL") || !strcmp(tokens[2], "OL_MINUS")) { |
3f5cf2a0 | 246 | *((float *)analog->data) = NAN; |
d38d2ef0 | 247 | } else |
3f5cf2a0 | 248 | analog->meaning->mq = 0; |
d38d2ef0 | 249 | } if (!strcmp(tokens[1], "Hz") && !strcmp(tokens[2], "NORMAL")) { |
3f5cf2a0 UH |
250 | analog->meaning->mq = SR_MQ_FREQUENCY; |
251 | analog->meaning->unit = SR_UNIT_HERTZ; | |
a28dac0a | 252 | } else if (!strcmp(tokens[1], "PCT") && !strcmp(tokens[2], "NORMAL")) { |
3f5cf2a0 UH |
253 | analog->meaning->mq = SR_MQ_DUTY_CYCLE; |
254 | analog->meaning->unit = SR_UNIT_PERCENTAGE; | |
a28dac0a | 255 | } else if (!strcmp(tokens[1], "S") && !strcmp(tokens[2], "NORMAL")) { |
3f5cf2a0 UH |
256 | analog->meaning->mq = SR_MQ_PULSE_WIDTH; |
257 | analog->meaning->unit = SR_UNIT_SECOND; | |
a28dac0a | 258 | } else if (!strcmp(tokens[1], "SIE") && !strcmp(tokens[2], "NORMAL")) { |
3f5cf2a0 UH |
259 | analog->meaning->mq = SR_MQ_CONDUCTANCE; |
260 | analog->meaning->unit = SR_UNIT_SIEMENS; | |
d38d2ef0 BV |
261 | } |
262 | ||
3f5cf2a0 | 263 | if (analog->meaning->mq == 0) { |
d38d2ef0 BV |
264 | /* Not a valid measurement. */ |
265 | g_free(analog->data); | |
266 | g_free(analog); | |
267 | analog = NULL; | |
268 | } | |
269 | ||
270 | return analog; | |
271 | } | |
272 | ||
11fb7110 BV |
273 | static void handle_qm_19x_meta(const struct sr_dev_inst *sdi, char **tokens) |
274 | { | |
275 | struct dev_context *devc; | |
276 | int meas_type, meas_unit, meas_char, i; | |
277 | ||
278 | /* Make sure we have 7 valid tokens. */ | |
279 | for (i = 0; tokens[i] && i < 7; i++); | |
280 | if (i != 7) | |
281 | return; | |
282 | ||
283 | if (strcmp(tokens[1], "1")) | |
284 | /* Invalid measurement. */ | |
285 | return; | |
286 | ||
287 | if (strcmp(tokens[2], "3")) | |
288 | /* Only interested in input from the meter mode source. */ | |
289 | return; | |
290 | ||
291 | devc = sdi->priv; | |
292 | ||
293 | /* Measurement type 11 == absolute, 19 = relative */ | |
294 | meas_type = strtol(tokens[0], NULL, 10); | |
295 | if (meas_type != 11 && meas_type != 19) | |
296 | /* Device is in some mode we don't support. */ | |
297 | return; | |
298 | ||
299 | /* We might get metadata for absolute and relative mode (if the device | |
300 | * is in relative mode). In that case, relative takes precedence. */ | |
301 | if (meas_type == 11 && devc->meas_type == 19) | |
302 | return; | |
303 | ||
304 | meas_unit = strtol(tokens[3], NULL, 10); | |
305 | if (meas_unit == 0) | |
306 | /* Device is turned off. Really. */ | |
307 | return; | |
308 | meas_char = strtol(tokens[4], NULL, 10); | |
309 | ||
3f5cf2a0 | 310 | devc->mq = devc->unit = devc->mqflags = 0; |
11fb7110 BV |
311 | switch (meas_unit) { |
312 | case 1: | |
313 | devc->mq = SR_MQ_VOLTAGE; | |
314 | devc->unit = SR_UNIT_VOLT; | |
315 | if (meas_char == 1) | |
316 | devc->mqflags |= SR_MQFLAG_DC; | |
317 | else if (meas_char == 2) | |
318 | devc->mqflags |= SR_MQFLAG_AC; | |
319 | else if (meas_char == 3) | |
320 | devc->mqflags |= SR_MQFLAG_DC | SR_MQFLAG_AC; | |
321 | else if (meas_char == 15) | |
322 | devc->mqflags |= SR_MQFLAG_DIODE; | |
323 | break; | |
324 | case 2: | |
325 | devc->mq = SR_MQ_CURRENT; | |
326 | devc->unit = SR_UNIT_AMPERE; | |
327 | if (meas_char == 1) | |
328 | devc->mqflags |= SR_MQFLAG_DC; | |
329 | else if (meas_char == 2) | |
330 | devc->mqflags |= SR_MQFLAG_AC; | |
331 | else if (meas_char == 3) | |
332 | devc->mqflags |= SR_MQFLAG_DC | SR_MQFLAG_AC; | |
333 | break; | |
334 | case 3: | |
335 | if (meas_char == 1) { | |
336 | devc->mq = SR_MQ_RESISTANCE; | |
337 | devc->unit = SR_UNIT_OHM; | |
338 | } else if (meas_char == 16) { | |
339 | devc->mq = SR_MQ_CONTINUITY; | |
340 | devc->unit = SR_UNIT_BOOLEAN; | |
341 | } | |
342 | break; | |
343 | case 12: | |
344 | devc->mq = SR_MQ_TEMPERATURE; | |
345 | devc->unit = SR_UNIT_CELSIUS; | |
346 | break; | |
347 | case 13: | |
348 | devc->mq = SR_MQ_TEMPERATURE; | |
349 | devc->unit = SR_UNIT_FAHRENHEIT; | |
350 | break; | |
351 | default: | |
352 | sr_dbg("unknown unit: %d", meas_unit); | |
353 | } | |
3f5cf2a0 | 354 | if (devc->mq == 0 && devc->unit == 0) |
11fb7110 BV |
355 | return; |
356 | ||
357 | /* If we got here, we know how to interpret the measurement. */ | |
358 | devc->meas_type = meas_type; | |
359 | if (meas_type == 11) | |
360 | /* Absolute meter reading. */ | |
361 | devc->is_relative = FALSE; | |
362 | else if (!strcmp(tokens[0], "19")) | |
363 | /* Relative meter reading. */ | |
364 | devc->is_relative = TRUE; | |
365 | ||
366 | } | |
367 | ||
368 | static void handle_qm_19x_data(const struct sr_dev_inst *sdi, char **tokens) | |
369 | { | |
370 | struct dev_context *devc; | |
371 | struct sr_datafeed_packet packet; | |
3f5cf2a0 UH |
372 | struct sr_datafeed_analog analog; |
373 | struct sr_analog_encoding encoding; | |
374 | struct sr_analog_meaning meaning; | |
375 | struct sr_analog_spec spec; | |
11fb7110 | 376 | float fvalue; |
11fb7110 BV |
377 | |
378 | if (!strcmp(tokens[0], "9.9E+37")) { | |
379 | /* An invalid measurement shows up on the display as "OL", but | |
380 | * comes through like this. Since comparing 38-digit floats | |
381 | * is rather problematic, we'll cut through this here. */ | |
382 | fvalue = NAN; | |
383 | } else { | |
357e341d | 384 | if (sr_atof_ascii(tokens[0], &fvalue) != SR_OK || fvalue == 0.0) { |
11fb7110 BV |
385 | sr_err("Invalid float '%s'.", tokens[0]); |
386 | return; | |
387 | } | |
388 | } | |
389 | ||
390 | devc = sdi->priv; | |
3f5cf2a0 | 391 | if (devc->mq == 0 || devc->unit == 0) |
11fb7110 BV |
392 | /* Don't have valid metadata yet. */ |
393 | return; | |
394 | ||
11fb7110 BV |
395 | if (devc->mq == SR_MQ_RESISTANCE && isnan(fvalue)) |
396 | fvalue = INFINITY; | |
397 | else if (devc->mq == SR_MQ_CONTINUITY) { | |
398 | if (isnan(fvalue)) | |
399 | fvalue = 0.0; | |
400 | else | |
401 | fvalue = 1.0; | |
402 | } | |
403 | ||
3f5cf2a0 UH |
404 | sr_analog_init(&analog, &encoding, &meaning, &spec, 0); |
405 | analog.meaning->channels = sdi->channels; | |
11fb7110 BV |
406 | analog.num_samples = 1; |
407 | analog.data = &fvalue; | |
3f5cf2a0 UH |
408 | analog.meaning->mq = devc->mq; |
409 | analog.meaning->unit = devc->unit; | |
410 | analog.meaning->mqflags = 0; | |
411 | packet.type = SR_DF_ANALOG; | |
11fb7110 | 412 | packet.payload = &analog; |
695dc859 | 413 | sr_session_send(sdi, &packet); |
11fb7110 | 414 | |
6aacf011 | 415 | sr_sw_limits_update_samples_read(&devc->limits, 1); |
11fb7110 BV |
416 | } |
417 | ||
d38d2ef0 BV |
418 | static void handle_line(const struct sr_dev_inst *sdi) |
419 | { | |
420 | struct dev_context *devc; | |
919681f0 | 421 | struct sr_serial_dev_inst *serial; |
d38d2ef0 | 422 | struct sr_datafeed_packet packet; |
3f5cf2a0 | 423 | struct sr_datafeed_analog *analog; |
11fb7110 BV |
424 | int num_tokens, n, i; |
425 | char cmd[16], **tokens; | |
d38d2ef0 BV |
426 | |
427 | devc = sdi->priv; | |
919681f0 | 428 | serial = sdi->conn; |
31d84da3 | 429 | sr_spew("Received line '%s' (%d).", devc->buf, devc->buflen); |
d38d2ef0 BV |
430 | |
431 | if (devc->buflen == 1) { | |
432 | if (devc->buf[0] != '0') { | |
433 | /* Not just a CMD_ACK from the query command. */ | |
31d84da3 | 434 | sr_dbg("Got CMD_ACK '%c'.", devc->buf[0]); |
d38d2ef0 BV |
435 | devc->expect_response = FALSE; |
436 | } | |
437 | devc->buflen = 0; | |
438 | return; | |
439 | } | |
440 | ||
441 | analog = NULL; | |
442 | tokens = g_strsplit(devc->buf, ",", 0); | |
4cea0ff7 | 443 | if (tokens[0]) { |
0bc3ab92 | 444 | if (devc->profile->model == FLUKE_187 || devc->profile->model == FLUKE_189) { |
fe31f8b9 | 445 | devc->expect_response = FALSE; |
4cea0ff7 | 446 | analog = handle_qm_18x(sdi, tokens); |
ba4dfbde | 447 | } else if (devc->profile->model == FLUKE_287 || devc->profile->model == FLUKE_289) { |
d38d2ef0 | 448 | devc->expect_response = FALSE; |
4cea0ff7 | 449 | analog = handle_qm_28x(sdi, tokens); |
11fb7110 BV |
450 | } else if (devc->profile->model == FLUKE_190) { |
451 | devc->expect_response = FALSE; | |
452 | for (num_tokens = 0; tokens[num_tokens]; num_tokens++); | |
453 | if (num_tokens >= 7) { | |
454 | /* Response to QM: this is a comma-separated list of | |
455 | * fields with metadata about the measurement. This | |
456 | * format can return multiple sets of metadata, | |
457 | * split into sets of 7 tokens each. */ | |
458 | devc->meas_type = 0; | |
459 | for (i = 0; i < num_tokens; i += 7) | |
460 | handle_qm_19x_meta(sdi, tokens + i); | |
461 | if (devc->meas_type) { | |
462 | /* Slip the request in now, before the main | |
463 | * timer loop asks for metadata again. */ | |
464 | n = sprintf(cmd, "QM %d\r", devc->meas_type); | |
20401400 | 465 | if (serial_write_blocking(serial, cmd, n, SERIAL_WRITE_TIMEOUT_MS) < 0) |
bb27c765 | 466 | sr_err("Unable to send QM (measurement)."); |
11fb7110 BV |
467 | } |
468 | } else { | |
469 | /* Response to QM <n> measurement request. */ | |
470 | handle_qm_19x_data(sdi, tokens); | |
471 | } | |
d38d2ef0 | 472 | } |
d38d2ef0 BV |
473 | } |
474 | g_strfreev(tokens); | |
475 | devc->buflen = 0; | |
476 | ||
477 | if (analog) { | |
478 | /* Got a measurement. */ | |
3f5cf2a0 | 479 | packet.type = SR_DF_ANALOG; |
d38d2ef0 | 480 | packet.payload = analog; |
695dc859 | 481 | sr_session_send(sdi, &packet); |
6aacf011 | 482 | sr_sw_limits_update_samples_read(&devc->limits, 1); |
d38d2ef0 BV |
483 | g_free(analog->data); |
484 | g_free(analog); | |
485 | } | |
486 | ||
487 | } | |
488 | ||
489 | SR_PRIV int fluke_receive_data(int fd, int revents, void *cb_data) | |
490 | { | |
642e9d62 | 491 | struct sr_dev_inst *sdi; |
d38d2ef0 | 492 | struct dev_context *devc; |
919681f0 | 493 | struct sr_serial_dev_inst *serial; |
d38d2ef0 BV |
494 | int len; |
495 | int64_t now, elapsed; | |
496 | ||
58d03f03 BV |
497 | (void)fd; |
498 | ||
d38d2ef0 BV |
499 | if (!(sdi = cb_data)) |
500 | return TRUE; | |
501 | ||
502 | if (!(devc = sdi->priv)) | |
503 | return TRUE; | |
504 | ||
919681f0 | 505 | serial = sdi->conn; |
d38d2ef0 BV |
506 | if (revents == G_IO_IN) { |
507 | /* Serial data arrived. */ | |
0c5f2abc | 508 | while (FLUKEDMM_BUFSIZE - devc->buflen - 1 > 0) { |
707fa85a | 509 | len = serial_read_nonblocking(serial, devc->buf + devc->buflen, 1); |
d38d2ef0 BV |
510 | if (len < 1) |
511 | break; | |
512 | devc->buflen++; | |
513 | *(devc->buf + devc->buflen) = '\0'; | |
514 | if (*(devc->buf + devc->buflen - 1) == '\r') { | |
515 | *(devc->buf + --devc->buflen) = '\0'; | |
516 | handle_line(sdi); | |
517 | break; | |
518 | } | |
519 | } | |
520 | } | |
521 | ||
6aacf011 | 522 | if (sr_sw_limits_check(&devc->limits)) { |
695dc859 | 523 | sdi->driver->dev_acquisition_stop(sdi); |
d38d2ef0 BV |
524 | return TRUE; |
525 | } | |
526 | ||
527 | now = g_get_monotonic_time() / 1000; | |
528 | elapsed = now - devc->cmd_sent_at; | |
529 | /* Send query command at poll_period interval, or after 1 second | |
d4b11de0 BV |
530 | * has elapsed. This will make it easier to recover from any |
531 | * out-of-sync or temporary disconnect issues. */ | |
d38d2ef0 | 532 | if ((devc->expect_response == FALSE && elapsed > devc->profile->poll_period) |
d4b11de0 | 533 | || elapsed > devc->profile->timeout) { |
20401400 | 534 | if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) |
bb27c765 | 535 | sr_err("Unable to send QM."); |
d38d2ef0 BV |
536 | devc->cmd_sent_at = now; |
537 | devc->expect_response = TRUE; | |
538 | } | |
539 | ||
540 | return TRUE; | |
541 | } |