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c01bdebc AJ |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org> | |
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 2 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, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
21 | ||
22 | /* | |
23 | * Cyrustek ES519XX protocol parser. | |
24 | * | |
25 | * Communication parameters: Unidirectional, 2400/7o1 or 19230/7o1 | |
26 | */ | |
27 | ||
6ec6c43b | 28 | #include <config.h> |
c01bdebc AJ |
29 | #include <string.h> |
30 | #include <ctype.h> | |
31 | #include <math.h> | |
32 | #include <glib.h> | |
c1aae900 | 33 | #include <libsigrok/libsigrok.h> |
c01bdebc AJ |
34 | #include "libsigrok-internal.h" |
35 | ||
3544f848 | 36 | #define LOG_PREFIX "es519xx" |
c01bdebc | 37 | |
8cbf5627 AJ |
38 | /* Exponents for the respective measurement mode. */ |
39 | static const int exponents_2400_11b[9][8] = { | |
40 | { -4, -3, -2, -1, 0, 0, 0, 0 }, /* V */ | |
41 | { -7, -6, 0, 0, 0, 0, 0, 0 }, /* uA */ | |
42 | { -5, -4, 0, 0, 0, 0, 0, 0 }, /* mA */ | |
43 | { -2, 0, 0, 0, 0, 0, 0, 0 }, /* A */ | |
44 | { 1, 2, 3, 4, 5, 6, 0, 0 }, /* RPM */ | |
45 | { -1, 0, 1, 2, 3, 4, 0, 0 }, /* Resistance */ | |
46 | { 0, 1, 2, 3, 4, 5, 0, 0 }, /* Frequency */ | |
47 | { -12, -11, -10, -9, -8, -7, -6, -5 }, /* Capacitance */ | |
48 | { -3, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */ | |
c01bdebc | 49 | }; |
8cbf5627 AJ |
50 | static const int exponents_19200_11b_5digits[9][8] = { |
51 | { -4, -3, -2, -1, -5, 0, 0, 0 }, /* V */ | |
52 | { -8, -7, 0, 0, 0, 0, 0, 0 }, /* uA */ | |
53 | { -6, -5, 0, 0, 0, 0, 0, 0 }, /* mA */ | |
54 | { 0, -3, 0, 0, 0, 0, 0, 0 }, /* A */ | |
55 | { -4, -3, -2, -1, 0, 0, 0, 0 }, /* Manual A */ | |
56 | { -2, -1, 0, 1, 2, 3, 4, 0 }, /* Resistance */ | |
57 | { -1, 0, 0, 1, 2, 3, 4, 0 }, /* Frequency */ | |
58 | { -12, -11, -10, -9, -8, -7, -6, -5 }, /* Capacitance */ | |
59 | { -4, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */ | |
c01bdebc | 60 | }; |
8cbf5627 AJ |
61 | static const int exponents_19200_11b_clampmeter[9][8] = { |
62 | { -3, -2, -1, 0, -4, 0, 0, 0 }, /* V */ | |
63 | { -7, -6, 0, 0, 0, 0, 0, 0 }, /* uA */ | |
64 | { -5, -4, 0, 0, 0, 0, 0, 0 }, /* mA */ | |
65 | { -2, 0, 0, 0, 0, 0, 0, 0 }, /* A */ | |
66 | { -3, -2, -1, 0, 0, 0, 0, 0 }, /* Manual A */ | |
67 | { -1, 0, 1, 2, 3, 4, 0, 0 }, /* Resistance */ | |
68 | { -1, 0, 0, 1, 2, 3, 4, 0 }, /* Frequency */ | |
69 | { -12, -11, -10, -9, -8, -7, -6, -5 }, /* Capacitance */ | |
70 | { -3, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */ | |
c01bdebc | 71 | }; |
8cbf5627 AJ |
72 | static const int exponents_19200_11b[9][8] = { |
73 | { -3, -2, -1, 0, -4, 0, 0, 0 }, /* V */ | |
74 | { -7, -6, 0, 0, 0, 0, 0, 0 }, /* uA */ | |
75 | { -5, -4, 0, 0, 0, 0, 0, 0 }, /* mA */ | |
76 | { -3, -2, 0, 0, 0, 0, 0, 0 }, /* A */ | |
77 | { 0, 0, 0, 0, 0, 0, 0, 0 }, /* Manual A */ | |
78 | { -1, 0, 1, 2, 3, 4, 0, 0 }, /* Resistance */ | |
79 | { 0, 1, 2, 3, 4, 0, 0, 0 }, /* Frequency */ | |
80 | { -12, -11, -10, -9, -8, -7, -6, 0 }, /* Capacitance */ | |
81 | { -3, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */ | |
c01bdebc | 82 | }; |
8cbf5627 AJ |
83 | static const int exponents_19200_14b[9][8] = { |
84 | { -4, -3, -2, -1, -5, 0, 0, 0 }, /* V */ | |
85 | { -8, -7, 0, 0, 0, 0, 0, 0 }, /* uA */ | |
86 | { -6, -5, 0, 0, 0, 0, 0, 0 }, /* mA */ | |
87 | { -3, 0, 0, 0, 0, 0, 0, 0 }, /* A */ | |
88 | { -4, -3, -2, -1, 0, 0, 0, 0 }, /* Manual A */ | |
89 | { -2, -1, 0, 1, 2, 3, 4, 0 }, /* Resistance */ | |
90 | { -2, -1, 0, 0, 1, 2, 3, 4 }, /* Frequency */ | |
91 | { -12, -11, -10, -9, -8, -7, -6, -5 }, /* Capacitance */ | |
92 | { -4, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */ | |
c01bdebc AJ |
93 | }; |
94 | ||
95 | static int parse_value(const uint8_t *buf, struct es519xx_info *info, | |
96 | float *result) | |
97 | { | |
72e1672f | 98 | int i, intval, num_digits; |
c01bdebc AJ |
99 | float floatval; |
100 | ||
72e1672f UH |
101 | num_digits = 4 + ((info->packet_size == 14) ? 1 : 0); |
102 | ||
c01bdebc AJ |
103 | /* Bytes 1-4 (or 5): Value (4 or 5 decimal digits) */ |
104 | if (info->is_ol) { | |
105 | sr_spew("Over limit."); | |
106 | *result = INFINITY; | |
107 | return SR_OK; | |
108 | } else if (info->is_ul) { | |
109 | sr_spew("Under limit."); | |
110 | *result = INFINITY; | |
111 | return SR_OK; | |
112 | } else if (!isdigit(buf[1]) || !isdigit(buf[2]) || | |
113 | !isdigit(buf[3]) || !isdigit(buf[4]) || | |
72e1672f | 114 | (num_digits == 5 && !isdigit(buf[5]))) { |
ec5186f9 | 115 | sr_dbg("Value contained invalid digits: %02x %02x %02x %02x " |
c01bdebc AJ |
116 | "(%c %c %c %c).", buf[1], buf[2], buf[3], buf[4], |
117 | buf[1], buf[2], buf[3], buf[4]); | |
118 | return SR_ERR; | |
119 | } | |
72e1672f UH |
120 | intval = (info->is_digit4) ? 1 : 0; |
121 | for (i = 0; i < num_digits; i++) | |
122 | intval = 10 * intval + (buf[i + 1] - '0'); | |
c01bdebc AJ |
123 | |
124 | /* Apply sign. */ | |
125 | intval *= info->is_sign ? -1 : 1; | |
126 | ||
127 | floatval = (float)intval; | |
128 | ||
129 | /* Note: The decimal point position will be parsed later. */ | |
130 | ||
131 | sr_spew("The display value is %f.", floatval); | |
132 | ||
133 | *result = floatval; | |
72e1672f | 134 | |
c01bdebc AJ |
135 | return SR_OK; |
136 | } | |
137 | ||
8cbf5627 | 138 | static int parse_range(uint8_t b, float *floatval, struct es519xx_info *info) |
c01bdebc | 139 | { |
72e1672f | 140 | int idx, mode; |
8cbf5627 | 141 | int exponent = 0; |
c01bdebc | 142 | |
72e1672f UH |
143 | idx = b - '0'; |
144 | ||
c01bdebc AJ |
145 | if (idx < 0 || idx > 7) { |
146 | sr_dbg("Invalid range byte / index: 0x%02x / 0x%02x.", b, idx); | |
147 | return SR_ERR; | |
148 | } | |
149 | ||
150 | /* Parse range byte (depends on the measurement mode). */ | |
151 | if (info->is_voltage) | |
152 | mode = 0; /* V */ | |
153 | else if (info->is_current && info->is_micro) | |
154 | mode = 1; /* uA */ | |
155 | else if (info->is_current && info->is_milli) | |
156 | mode = 2; /* mA */ | |
157 | else if (info->is_current && info->is_auto) | |
158 | mode = 3; /* A */ | |
72e1672f | 159 | else if (info->is_current && !info->is_auto) |
c01bdebc AJ |
160 | mode = 4; /* Manual A */ |
161 | else if (info->is_rpm) | |
8cbf5627 | 162 | /* Not a typo, it's really index 4 in exponents_2400_11b[][]. */ |
c01bdebc | 163 | mode = 4; /* RPM */ |
a7c01629 | 164 | else if (info->is_resistance || info->is_continuity) |
c01bdebc AJ |
165 | mode = 5; /* Resistance */ |
166 | else if (info->is_frequency) | |
167 | mode = 6; /* Frequency */ | |
168 | else if (info->is_capacitance) | |
169 | mode = 7; /* Capacitance */ | |
4d2630e6 AJ |
170 | else if (info->is_diode) |
171 | mode = 8; /* Diode */ | |
c3e871dc AJ |
172 | else if (info->is_duty_cycle) |
173 | mode = 0; /* Dummy, unused */ | |
c01bdebc AJ |
174 | else { |
175 | sr_dbg("Invalid mode, range byte was: 0x%02x.", b); | |
176 | return SR_ERR; | |
177 | } | |
178 | ||
179 | if (info->is_vbar) { | |
180 | if (info->is_micro) | |
8cbf5627 | 181 | exponent = (const int[]){-1, 0}[idx]; |
c01bdebc | 182 | else if (info->is_milli) |
8cbf5627 | 183 | exponent = (const int[]){-2, -1}[idx]; |
c01bdebc | 184 | } |
c3e871dc | 185 | else if (info->is_duty_cycle) |
8cbf5627 | 186 | exponent = -1; |
c01bdebc | 187 | else if (info->baudrate == 2400) |
8cbf5627 | 188 | exponent = exponents_2400_11b[mode][idx]; |
c01bdebc | 189 | else if (info->fivedigits) |
8cbf5627 | 190 | exponent = exponents_19200_11b_5digits[mode][idx]; |
c01bdebc | 191 | else if (info->clampmeter) |
8cbf5627 | 192 | exponent = exponents_19200_11b_clampmeter[mode][idx]; |
c01bdebc | 193 | else if (info->packet_size == 11) |
8cbf5627 | 194 | exponent = exponents_19200_11b[mode][idx]; |
c01bdebc | 195 | else if (info->packet_size == 14) |
8cbf5627 | 196 | exponent = exponents_19200_14b[mode][idx]; |
c01bdebc | 197 | |
8cbf5627 AJ |
198 | /* Apply respective exponent (mode-dependent) on the value. */ |
199 | *floatval *= powf(10, exponent); | |
200 | sr_dbg("Applying exponent %d, new value is %f.", exponent, *floatval); | |
c01bdebc | 201 | |
8cbf5627 | 202 | info->digits = -exponent; |
c01bdebc AJ |
203 | |
204 | return SR_OK; | |
205 | } | |
206 | ||
207 | static void parse_flags(const uint8_t *buf, struct es519xx_info *info) | |
208 | { | |
72e1672f | 209 | int function, status; |
c01bdebc | 210 | |
72e1672f UH |
211 | function = 5 + ((info->packet_size == 14) ? 1 : 0); |
212 | status = function + 1; | |
213 | ||
214 | /* Status byte */ | |
c01bdebc AJ |
215 | if (info->alt_functions) { |
216 | info->is_sign = (buf[status] & (1 << 3)) != 0; | |
72e1672f UH |
217 | info->is_batt = (buf[status] & (1 << 2)) != 0; /* Bat. low */ |
218 | info->is_ol = (buf[status] & (1 << 1)) != 0; /* Overflow */ | |
219 | info->is_ol |= (buf[status] & (1 << 0)) != 0; /* Overflow */ | |
c01bdebc AJ |
220 | } else { |
221 | info->is_judge = (buf[status] & (1 << 3)) != 0; | |
222 | info->is_sign = (buf[status] & (1 << 2)) != 0; | |
72e1672f UH |
223 | info->is_batt = (buf[status] & (1 << 1)) != 0; /* Bat. low */ |
224 | info->is_ol = (buf[status] & (1 << 0)) != 0; /* Overflow */ | |
c01bdebc AJ |
225 | } |
226 | ||
227 | if (info->packet_size == 14) { | |
72e1672f UH |
228 | /* Option 1 byte */ |
229 | info->is_max = (buf[8] & (1 << 3)) != 0; | |
230 | info->is_min = (buf[8] & (1 << 2)) != 0; | |
231 | info->is_rel = (buf[8] & (1 << 1)) != 0; | |
232 | info->is_rmr = (buf[8] & (1 << 0)) != 0; | |
233 | ||
234 | /* Option 2 byte */ | |
235 | info->is_ul = (buf[9] & (1 << 3)) != 0; /* Underflow */ | |
236 | info->is_pmax = (buf[9] & (1 << 2)) != 0; /* Max. peak value */ | |
237 | info->is_pmin = (buf[9] & (1 << 1)) != 0; /* Min. peak value */ | |
238 | ||
239 | /* Option 3 byte */ | |
240 | info->is_dc = (buf[10] & (1 << 3)) != 0; | |
241 | info->is_ac = (buf[10] & (1 << 2)) != 0; | |
242 | info->is_auto = (buf[10] & (1 << 1)) != 0; | |
243 | info->is_vahz = (buf[10] & (1 << 0)) != 0; | |
244 | ||
245 | /* LPF: Low-pass filter(s) */ | |
c01bdebc | 246 | if (info->selectable_lpf) { |
72e1672f UH |
247 | /* Option 4 byte */ |
248 | info->is_hold = (buf[11] & (1 << 3)) != 0; | |
249 | info->is_vbar = (buf[11] & (1 << 2)) != 0; | |
250 | info->is_lpf1 = (buf[11] & (1 << 1)) != 0; | |
251 | info->is_lpf0 = (buf[11] & (1 << 0)) != 0; | |
c01bdebc | 252 | } else { |
72e1672f UH |
253 | /* Option 4 byte */ |
254 | info->is_vbar = (buf[11] & (1 << 2)) != 0; | |
255 | info->is_hold = (buf[11] & (1 << 1)) != 0; | |
256 | info->is_lpf1 = (buf[11] & (1 << 0)) != 0; | |
c01bdebc AJ |
257 | } |
258 | } else if (info->alt_functions) { | |
72e1672f UH |
259 | /* Option 2 byte */ |
260 | info->is_dc = (buf[8] & (1 << 3)) != 0; | |
261 | info->is_auto = (buf[8] & (1 << 2)) != 0; | |
262 | info->is_apo = (buf[8] & (1 << 0)) != 0; | |
263 | info->is_ac = !info->is_dc; | |
c01bdebc | 264 | } else { |
72e1672f | 265 | /* Option 1 byte */ |
c01bdebc AJ |
266 | if (info->baudrate == 2400) { |
267 | info->is_pmax = (buf[7] & (1 << 3)) != 0; | |
268 | info->is_pmin = (buf[7] & (1 << 2)) != 0; | |
269 | info->is_vahz = (buf[7] & (1 << 0)) != 0; | |
270 | } else if (info->fivedigits) { | |
271 | info->is_ul = (buf[7] & (1 << 3)) != 0; | |
272 | info->is_pmax = (buf[7] & (1 << 2)) != 0; | |
273 | info->is_pmin = (buf[7] & (1 << 1)) != 0; | |
274 | info->is_digit4 = (buf[7] & (1 << 0)) != 0; | |
275 | } else if (info->clampmeter) { | |
276 | info->is_ul = (buf[7] & (1 << 3)) != 0; | |
277 | info->is_vasel = (buf[7] & (1 << 2)) != 0; | |
278 | info->is_vbar = (buf[7] & (1 << 1)) != 0; | |
279 | } else { | |
280 | info->is_hold = (buf[7] & (1 << 3)) != 0; | |
281 | info->is_max = (buf[7] & (1 << 2)) != 0; | |
282 | info->is_min = (buf[7] & (1 << 1)) != 0; | |
283 | } | |
284 | ||
72e1672f UH |
285 | /* Option 2 byte */ |
286 | info->is_dc = (buf[8] & (1 << 3)) != 0; | |
287 | info->is_ac = (buf[8] & (1 << 2)) != 0; | |
288 | info->is_auto = (buf[8] & (1 << 1)) != 0; | |
c01bdebc AJ |
289 | if (info->baudrate == 2400) |
290 | info->is_apo = (buf[8] & (1 << 0)) != 0; | |
291 | else | |
292 | info->is_vahz = (buf[8] & (1 << 0)) != 0; | |
293 | } | |
294 | ||
72e1672f | 295 | /* Function byte */ |
c01bdebc AJ |
296 | if (info->alt_functions) { |
297 | switch (buf[function]) { | |
298 | case 0x3f: /* A */ | |
299 | info->is_current = info->is_auto = TRUE; | |
300 | break; | |
301 | case 0x3e: /* uA */ | |
302 | info->is_current = info->is_micro = info->is_auto = TRUE; | |
303 | break; | |
304 | case 0x3d: /* mA */ | |
305 | info->is_current = info->is_milli = info->is_auto = TRUE; | |
306 | break; | |
307 | case 0x3c: /* V */ | |
308 | info->is_voltage = TRUE; | |
309 | break; | |
310 | case 0x37: /* Resistance */ | |
311 | info->is_resistance = TRUE; | |
312 | break; | |
313 | case 0x36: /* Continuity */ | |
314 | info->is_continuity = TRUE; | |
315 | break; | |
316 | case 0x3b: /* Diode */ | |
317 | info->is_diode = TRUE; | |
318 | break; | |
319 | case 0x3a: /* Frequency */ | |
320 | info->is_frequency = TRUE; | |
321 | break; | |
322 | case 0x34: /* ADP0 */ | |
323 | case 0x35: /* ADP0 */ | |
324 | info->is_adp0 = TRUE; | |
325 | break; | |
326 | case 0x38: /* ADP1 */ | |
327 | case 0x39: /* ADP1 */ | |
328 | info->is_adp1 = TRUE; | |
329 | break; | |
330 | case 0x32: /* ADP2 */ | |
331 | case 0x33: /* ADP2 */ | |
332 | info->is_adp2 = TRUE; | |
333 | break; | |
334 | case 0x30: /* ADP3 */ | |
335 | case 0x31: /* ADP3 */ | |
336 | info->is_adp3 = TRUE; | |
337 | break; | |
338 | default: | |
ec5186f9 | 339 | sr_dbg("Invalid function byte: 0x%02x.", buf[function]); |
c01bdebc AJ |
340 | break; |
341 | } | |
342 | } else { | |
72e1672f | 343 | /* Note: Some of these mappings are fixed up later. */ |
c01bdebc AJ |
344 | switch (buf[function]) { |
345 | case 0x3b: /* V */ | |
346 | info->is_voltage = TRUE; | |
347 | break; | |
348 | case 0x3d: /* uA */ | |
349 | info->is_current = info->is_micro = info->is_auto = TRUE; | |
350 | break; | |
351 | case 0x3f: /* mA */ | |
352 | info->is_current = info->is_milli = info->is_auto = TRUE; | |
353 | break; | |
354 | case 0x30: /* A */ | |
355 | info->is_current = info->is_auto = TRUE; | |
356 | break; | |
357 | case 0x39: /* Manual A */ | |
358 | info->is_current = TRUE; | |
359 | info->is_auto = FALSE; /* Manual mode */ | |
360 | break; | |
361 | case 0x33: /* Resistance */ | |
362 | info->is_resistance = TRUE; | |
363 | break; | |
364 | case 0x35: /* Continuity */ | |
365 | info->is_continuity = TRUE; | |
366 | break; | |
367 | case 0x31: /* Diode */ | |
368 | info->is_diode = TRUE; | |
369 | break; | |
370 | case 0x32: /* Frequency / RPM / duty cycle */ | |
371 | if (info->packet_size == 14) { | |
372 | if (info->is_judge) | |
c01bdebc | 373 | info->is_duty_cycle = TRUE; |
e1f9f1e1 AJ |
374 | else |
375 | info->is_frequency = TRUE; | |
c01bdebc AJ |
376 | } else { |
377 | if (info->is_judge) | |
378 | info->is_rpm = TRUE; | |
379 | else | |
380 | info->is_frequency = TRUE; | |
381 | } | |
382 | break; | |
383 | case 0x36: /* Capacitance */ | |
384 | info->is_capacitance = TRUE; | |
385 | break; | |
386 | case 0x34: /* Temperature */ | |
387 | info->is_temperature = TRUE; | |
388 | if (info->is_judge) | |
389 | info->is_celsius = TRUE; | |
390 | else | |
391 | info->is_fahrenheit = TRUE; | |
72e1672f | 392 | /* IMPORTANT: The digits always represent Celsius! */ |
c01bdebc AJ |
393 | break; |
394 | case 0x3e: /* ADP0 */ | |
395 | info->is_adp0 = TRUE; | |
396 | break; | |
397 | case 0x3c: /* ADP1 */ | |
398 | info->is_adp1 = TRUE; | |
399 | break; | |
400 | case 0x38: /* ADP2 */ | |
401 | info->is_adp2 = TRUE; | |
402 | break; | |
403 | case 0x3a: /* ADP3 */ | |
404 | info->is_adp3 = TRUE; | |
405 | break; | |
406 | default: | |
ec5186f9 | 407 | sr_dbg("Invalid function byte: 0x%02x.", buf[function]); |
c01bdebc AJ |
408 | break; |
409 | } | |
410 | } | |
411 | ||
29bad967 AJ |
412 | if (info->is_vahz && (info->is_voltage || info->is_current)) { |
413 | info->is_voltage = FALSE; | |
414 | info->is_current = FALSE; | |
415 | info->is_milli = info->is_micro = FALSE; | |
416 | if (info->packet_size == 14) { | |
417 | if (info->is_judge) | |
418 | info->is_duty_cycle = TRUE; | |
419 | else | |
420 | info->is_frequency = TRUE; | |
421 | } else { | |
422 | if (info->is_judge) | |
423 | info->is_rpm = TRUE; | |
424 | else | |
425 | info->is_frequency = TRUE; | |
426 | } | |
427 | } | |
428 | ||
c01bdebc AJ |
429 | if (info->is_current && (info->is_micro || info->is_milli) && info->is_vasel) { |
430 | info->is_current = info->is_auto = FALSE; | |
431 | info->is_voltage = TRUE; | |
432 | } | |
433 | ||
434 | if (info->baudrate == 2400) { | |
72e1672f | 435 | /* Inverted mapping between mA and A, and no manual A. */ |
c01bdebc AJ |
436 | if (info->is_current && (info->is_milli || !info->is_auto)) { |
437 | info->is_milli = !info->is_milli; | |
438 | info->is_auto = TRUE; | |
439 | } | |
440 | } | |
441 | } | |
442 | ||
b02bb45f | 443 | static void handle_flags(struct sr_datafeed_analog *analog, |
72e1672f | 444 | float *floatval, const struct es519xx_info *info) |
c01bdebc AJ |
445 | { |
446 | /* | |
447 | * Note: is_micro etc. are not used directly to multiply/divide | |
8cbf5627 | 448 | * floatval, this is handled via parse_range() and exponents[][]. |
c01bdebc AJ |
449 | */ |
450 | ||
451 | /* Measurement modes */ | |
452 | if (info->is_voltage) { | |
b02bb45f UH |
453 | analog->meaning->mq = SR_MQ_VOLTAGE; |
454 | analog->meaning->unit = SR_UNIT_VOLT; | |
c01bdebc AJ |
455 | } |
456 | if (info->is_current) { | |
b02bb45f UH |
457 | analog->meaning->mq = SR_MQ_CURRENT; |
458 | analog->meaning->unit = SR_UNIT_AMPERE; | |
c01bdebc AJ |
459 | } |
460 | if (info->is_resistance) { | |
b02bb45f UH |
461 | analog->meaning->mq = SR_MQ_RESISTANCE; |
462 | analog->meaning->unit = SR_UNIT_OHM; | |
c01bdebc AJ |
463 | } |
464 | if (info->is_frequency) { | |
b02bb45f UH |
465 | analog->meaning->mq = SR_MQ_FREQUENCY; |
466 | analog->meaning->unit = SR_UNIT_HERTZ; | |
c01bdebc AJ |
467 | } |
468 | if (info->is_capacitance) { | |
b02bb45f UH |
469 | analog->meaning->mq = SR_MQ_CAPACITANCE; |
470 | analog->meaning->unit = SR_UNIT_FARAD; | |
c01bdebc AJ |
471 | } |
472 | if (info->is_temperature && info->is_celsius) { | |
b02bb45f UH |
473 | analog->meaning->mq = SR_MQ_TEMPERATURE; |
474 | analog->meaning->unit = SR_UNIT_CELSIUS; | |
c01bdebc AJ |
475 | } |
476 | if (info->is_temperature && info->is_fahrenheit) { | |
b02bb45f UH |
477 | analog->meaning->mq = SR_MQ_TEMPERATURE; |
478 | analog->meaning->unit = SR_UNIT_FAHRENHEIT; | |
c01bdebc AJ |
479 | } |
480 | if (info->is_continuity) { | |
b02bb45f UH |
481 | analog->meaning->mq = SR_MQ_CONTINUITY; |
482 | analog->meaning->unit = SR_UNIT_BOOLEAN; | |
a7c01629 | 483 | *floatval = (*floatval < 0.0 || *floatval > 25.0) ? 0.0 : 1.0; |
c01bdebc AJ |
484 | } |
485 | if (info->is_diode) { | |
b02bb45f UH |
486 | analog->meaning->mq = SR_MQ_VOLTAGE; |
487 | analog->meaning->unit = SR_UNIT_VOLT; | |
c01bdebc AJ |
488 | } |
489 | if (info->is_rpm) { | |
b02bb45f UH |
490 | analog->meaning->mq = SR_MQ_FREQUENCY; |
491 | analog->meaning->unit = SR_UNIT_REVOLUTIONS_PER_MINUTE; | |
c01bdebc AJ |
492 | } |
493 | if (info->is_duty_cycle) { | |
b02bb45f UH |
494 | analog->meaning->mq = SR_MQ_DUTY_CYCLE; |
495 | analog->meaning->unit = SR_UNIT_PERCENTAGE; | |
c01bdebc AJ |
496 | } |
497 | ||
498 | /* Measurement related flags */ | |
499 | if (info->is_ac) | |
b02bb45f | 500 | analog->meaning->mqflags |= SR_MQFLAG_AC; |
c01bdebc | 501 | if (info->is_dc) |
b02bb45f | 502 | analog->meaning->mqflags |= SR_MQFLAG_DC; |
c01bdebc | 503 | if (info->is_auto) |
b02bb45f | 504 | analog->meaning->mqflags |= SR_MQFLAG_AUTORANGE; |
c01bdebc | 505 | if (info->is_diode) |
b02bb45f | 506 | analog->meaning->mqflags |= SR_MQFLAG_DIODE; |
c01bdebc | 507 | if (info->is_hold) |
72e1672f UH |
508 | /* |
509 | * Note: HOLD only affects the number displayed on the LCD, | |
510 | * but not the value sent via the protocol! It also does not | |
511 | * affect the bargraph on the LCD. | |
512 | */ | |
b02bb45f | 513 | analog->meaning->mqflags |= SR_MQFLAG_HOLD; |
c01bdebc | 514 | if (info->is_max) |
b02bb45f | 515 | analog->meaning->mqflags |= SR_MQFLAG_MAX; |
c01bdebc | 516 | if (info->is_min) |
b02bb45f | 517 | analog->meaning->mqflags |= SR_MQFLAG_MIN; |
c01bdebc | 518 | if (info->is_rel) |
b02bb45f | 519 | analog->meaning->mqflags |= SR_MQFLAG_RELATIVE; |
c01bdebc AJ |
520 | |
521 | /* Other flags */ | |
522 | if (info->is_judge) | |
523 | sr_spew("Judge bit is set."); | |
524 | if (info->is_batt) | |
525 | sr_spew("Battery is low."); | |
526 | if (info->is_ol) | |
527 | sr_spew("Input overflow."); | |
528 | if (info->is_ul) | |
529 | sr_spew("Input underflow."); | |
530 | if (info->is_pmax) | |
531 | sr_spew("pMAX active, LCD shows max. peak value."); | |
532 | if (info->is_pmin) | |
533 | sr_spew("pMIN active, LCD shows min. peak value."); | |
534 | if (info->is_vahz) | |
535 | sr_spew("VAHZ active."); | |
536 | if (info->is_apo) | |
537 | sr_spew("Auto-Power-Off enabled."); | |
538 | if (info->is_vbar) | |
539 | sr_spew("VBAR active."); | |
540 | if ((!info->selectable_lpf && info->is_lpf1) || | |
541 | (info->selectable_lpf && (!info->is_lpf0 || !info->is_lpf1))) | |
542 | sr_spew("Low-pass filter feature is active."); | |
543 | } | |
544 | ||
545 | static gboolean flags_valid(const struct es519xx_info *info) | |
546 | { | |
547 | int count; | |
548 | ||
549 | /* Does the packet have more than one multiplier? */ | |
72e1672f UH |
550 | count = (info->is_micro) ? 1 : 0; |
551 | count += (info->is_milli) ? 1 : 0; | |
c01bdebc | 552 | if (count > 1) { |
ec5186f9 | 553 | sr_dbg("More than one multiplier detected in packet."); |
c01bdebc AJ |
554 | return FALSE; |
555 | } | |
556 | ||
557 | /* Does the packet "measure" more than one type of value? */ | |
72e1672f UH |
558 | count = (info->is_voltage) ? 1 : 0; |
559 | count += (info->is_current) ? 1 : 0; | |
560 | count += (info->is_resistance) ? 1 : 0; | |
561 | count += (info->is_frequency) ? 1 : 0; | |
562 | count += (info->is_capacitance) ? 1 : 0; | |
563 | count += (info->is_temperature) ? 1 : 0; | |
564 | count += (info->is_continuity) ? 1 : 0; | |
565 | count += (info->is_diode) ? 1 : 0; | |
566 | count += (info->is_rpm) ? 1 : 0; | |
c01bdebc | 567 | if (count > 1) { |
ec5186f9 | 568 | sr_dbg("More than one measurement type detected in packet."); |
c01bdebc AJ |
569 | return FALSE; |
570 | } | |
571 | ||
572 | /* Both AC and DC set? */ | |
573 | if (info->is_ac && info->is_dc) { | |
ec5186f9 | 574 | sr_dbg("Both AC and DC flags detected in packet."); |
c01bdebc AJ |
575 | return FALSE; |
576 | } | |
577 | ||
578 | return TRUE; | |
579 | } | |
580 | ||
581 | static gboolean sr_es519xx_packet_valid(const uint8_t *buf, | |
582 | struct es519xx_info *info) | |
583 | { | |
72e1672f UH |
584 | int s; |
585 | ||
586 | s = info->packet_size; | |
c01bdebc | 587 | |
72e1672f | 588 | if (s == 11 && memcmp(buf, buf + s, s)) |
c01bdebc AJ |
589 | return FALSE; |
590 | ||
72e1672f | 591 | if (buf[s - 2] != '\r' || buf[s - 1] != '\n') |
c01bdebc AJ |
592 | return FALSE; |
593 | ||
594 | parse_flags(buf, info); | |
595 | ||
596 | if (!flags_valid(info)) | |
597 | return FALSE; | |
598 | ||
599 | return TRUE; | |
600 | } | |
601 | ||
602 | static int sr_es519xx_parse(const uint8_t *buf, float *floatval, | |
b02bb45f | 603 | struct sr_datafeed_analog *analog, |
c01bdebc AJ |
604 | struct es519xx_info *info) |
605 | { | |
606 | int ret; | |
607 | ||
608 | if (!sr_es519xx_packet_valid(buf, info)) | |
609 | return SR_ERR; | |
610 | ||
611 | if ((ret = parse_value(buf, info, floatval)) != SR_OK) { | |
ec5186f9 | 612 | sr_dbg("Error parsing value: %d.", ret); |
c01bdebc AJ |
613 | return ret; |
614 | } | |
615 | ||
a7c01629 AJ |
616 | if ((ret = parse_range(buf[0], floatval, info)) != SR_OK) |
617 | return ret; | |
c01bdebc | 618 | |
8cbf5627 AJ |
619 | analog->encoding->digits = info->digits; |
620 | analog->spec->spec_digits = info->digits; | |
621 | ||
a7c01629 AJ |
622 | handle_flags(analog, floatval, info); |
623 | return SR_OK; | |
c01bdebc AJ |
624 | } |
625 | ||
c01bdebc | 626 | /* |
72e1672f | 627 | * Functions for 2400 baud / 11 bytes protocols. |
c01bdebc AJ |
628 | * This includes ES51962, ES51971, ES51972, ES51978 and ES51989. |
629 | */ | |
72e1672f | 630 | SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf) |
c01bdebc | 631 | { |
35b904a7 | 632 | struct es519xx_info info; |
72e1672f | 633 | |
35b904a7 | 634 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
635 | info.baudrate = 2400; |
636 | info.packet_size = 11; | |
637 | ||
c01bdebc AJ |
638 | return sr_es519xx_packet_valid(buf, &info); |
639 | } | |
640 | ||
72e1672f | 641 | SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval, |
b02bb45f | 642 | struct sr_datafeed_analog *analog, void *info) |
c01bdebc | 643 | { |
72e1672f UH |
644 | struct es519xx_info *info_local; |
645 | ||
646 | info_local = info; | |
94e9021b | 647 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
648 | info_local->baudrate = 2400; |
649 | info_local->packet_size = 11; | |
650 | ||
c01bdebc AJ |
651 | return sr_es519xx_parse(buf, floatval, analog, info); |
652 | } | |
653 | ||
c01bdebc | 654 | /* |
72e1672f | 655 | * Functions for 2400 baud / 11 byte protocols. |
c01bdebc AJ |
656 | * This includes ES51960, ES51977 and ES51988. |
657 | */ | |
72e1672f | 658 | SR_PRIV gboolean sr_es519xx_2400_11b_altfn_packet_valid(const uint8_t *buf) |
c01bdebc | 659 | { |
35b904a7 | 660 | struct es519xx_info info; |
72e1672f | 661 | |
35b904a7 | 662 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
663 | info.baudrate = 2400; |
664 | info.packet_size = 11; | |
665 | info.alt_functions = TRUE; | |
666 | ||
c01bdebc AJ |
667 | return sr_es519xx_packet_valid(buf, &info); |
668 | } | |
669 | ||
72e1672f | 670 | SR_PRIV int sr_es519xx_2400_11b_altfn_parse(const uint8_t *buf, |
b02bb45f | 671 | float *floatval, struct sr_datafeed_analog *analog, void *info) |
c01bdebc | 672 | { |
72e1672f UH |
673 | struct es519xx_info *info_local; |
674 | ||
675 | info_local = info; | |
94e9021b | 676 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
677 | info_local->baudrate = 2400; |
678 | info_local->packet_size = 11; | |
679 | info_local->alt_functions = TRUE; | |
680 | ||
c01bdebc AJ |
681 | return sr_es519xx_parse(buf, floatval, analog, info); |
682 | } | |
683 | ||
c01bdebc | 684 | /* |
72e1672f | 685 | * Functions for 19200 baud / 11 bytes protocols with 5 digits display. |
c01bdebc AJ |
686 | * This includes ES51911, ES51916 and ES51918. |
687 | */ | |
72e1672f | 688 | SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf) |
c01bdebc | 689 | { |
35b904a7 | 690 | struct es519xx_info info; |
72e1672f | 691 | |
35b904a7 | 692 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
693 | info.baudrate = 19200; |
694 | info.packet_size = 11; | |
695 | info.fivedigits = TRUE; | |
696 | ||
c01bdebc AJ |
697 | return sr_es519xx_packet_valid(buf, &info); |
698 | } | |
699 | ||
93d719cd | 700 | SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf, |
b02bb45f | 701 | float *floatval, struct sr_datafeed_analog *analog, void *info) |
c01bdebc | 702 | { |
72e1672f UH |
703 | struct es519xx_info *info_local; |
704 | ||
705 | info_local = info; | |
94e9021b | 706 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
707 | info_local->baudrate = 19200; |
708 | info_local->packet_size = 11; | |
709 | info_local->fivedigits = TRUE; | |
710 | ||
c01bdebc AJ |
711 | return sr_es519xx_parse(buf, floatval, analog, info); |
712 | } | |
713 | ||
c01bdebc | 714 | /* |
72e1672f | 715 | * Functions for 19200 baud / 11 bytes protocols with clamp meter support. |
c01bdebc AJ |
716 | * This includes ES51967 and ES51969. |
717 | */ | |
72e1672f | 718 | SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf) |
c01bdebc | 719 | { |
35b904a7 | 720 | struct es519xx_info info; |
72e1672f | 721 | |
35b904a7 | 722 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
723 | info.baudrate = 19200; |
724 | info.packet_size = 11; | |
725 | info.clampmeter = TRUE; | |
726 | ||
c01bdebc AJ |
727 | return sr_es519xx_packet_valid(buf, &info); |
728 | } | |
729 | ||
72e1672f | 730 | SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf, |
b02bb45f | 731 | float *floatval, struct sr_datafeed_analog *analog, void *info) |
c01bdebc | 732 | { |
72e1672f UH |
733 | struct es519xx_info *info_local; |
734 | ||
735 | info_local = info; | |
94e9021b | 736 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
737 | info_local->baudrate = 19200; |
738 | info_local->packet_size = 11; | |
739 | info_local->clampmeter = TRUE; | |
740 | ||
c01bdebc AJ |
741 | return sr_es519xx_parse(buf, floatval, analog, info); |
742 | } | |
743 | ||
c01bdebc | 744 | /* |
72e1672f | 745 | * Functions for 19200 baud / 11 bytes protocols. |
c01bdebc AJ |
746 | * This includes ES51981, ES51982, ES51983, ES51984 and ES51986. |
747 | */ | |
72e1672f | 748 | SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf) |
c01bdebc | 749 | { |
35b904a7 | 750 | struct es519xx_info info; |
72e1672f | 751 | |
35b904a7 | 752 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
753 | info.baudrate = 19200; |
754 | info.packet_size = 11; | |
755 | ||
c01bdebc AJ |
756 | return sr_es519xx_packet_valid(buf, &info); |
757 | } | |
758 | ||
72e1672f | 759 | SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval, |
b02bb45f | 760 | struct sr_datafeed_analog *analog, void *info) |
c01bdebc | 761 | { |
72e1672f UH |
762 | struct es519xx_info *info_local; |
763 | ||
764 | info_local = info; | |
94e9021b | 765 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
766 | info_local->baudrate = 19200; |
767 | info_local->packet_size = 11; | |
768 | ||
c01bdebc AJ |
769 | return sr_es519xx_parse(buf, floatval, analog, info); |
770 | } | |
771 | ||
c01bdebc | 772 | /* |
72e1672f | 773 | * Functions for 19200 baud / 14 bytes protocols. |
c01bdebc AJ |
774 | * This includes ES51921 and ES51922. |
775 | */ | |
72e1672f | 776 | SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf) |
c01bdebc | 777 | { |
35b904a7 | 778 | struct es519xx_info info; |
72e1672f | 779 | |
35b904a7 | 780 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
781 | info.baudrate = 19200; |
782 | info.packet_size = 14; | |
783 | ||
c01bdebc AJ |
784 | return sr_es519xx_packet_valid(buf, &info); |
785 | } | |
786 | ||
72e1672f | 787 | SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval, |
b02bb45f | 788 | struct sr_datafeed_analog *analog, void *info) |
c01bdebc | 789 | { |
72e1672f UH |
790 | struct es519xx_info *info_local; |
791 | ||
792 | info_local = info; | |
94e9021b | 793 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
794 | info_local->baudrate = 19200; |
795 | info_local->packet_size = 14; | |
796 | ||
c01bdebc AJ |
797 | return sr_es519xx_parse(buf, floatval, analog, info); |
798 | } | |
799 | ||
c01bdebc | 800 | /* |
72e1672f | 801 | * Functions for 19200 baud / 14 bytes protocols with selectable LPF. |
c01bdebc AJ |
802 | * This includes ES51931 and ES51932. |
803 | */ | |
72e1672f | 804 | SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf) |
c01bdebc | 805 | { |
35b904a7 | 806 | struct es519xx_info info; |
72e1672f | 807 | |
35b904a7 | 808 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
809 | info.baudrate = 19200; |
810 | info.packet_size = 14; | |
811 | info.selectable_lpf = TRUE; | |
812 | ||
c01bdebc AJ |
813 | return sr_es519xx_packet_valid(buf, &info); |
814 | } | |
815 | ||
72e1672f | 816 | SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf, |
b02bb45f | 817 | float *floatval, struct sr_datafeed_analog *analog, void *info) |
c01bdebc | 818 | { |
72e1672f UH |
819 | struct es519xx_info *info_local; |
820 | ||
821 | info_local = info; | |
94e9021b | 822 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
823 | info_local->baudrate = 19200; |
824 | info_local->packet_size = 14; | |
825 | info_local->selectable_lpf = TRUE; | |
826 | ||
c01bdebc AJ |
827 | return sr_es519xx_parse(buf, floatval, analog, info); |
828 | } |