]>
Commit | Line | Data |
---|---|---|
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 AJ |
37 | |
38 | /* Factors for the respective measurement mode (0 means "invalid"). */ | |
4d2630e6 | 39 | static const float factors_2400_11b[9][8] = { |
c01bdebc AJ |
40 | {1e-4, 1e-3, 1e-2, 1e-1, 1, 0, 0, 0 }, /* V */ |
41 | {1e-7, 1e-6, 0, 0, 0, 0, 0, 0 }, /* uA */ | |
42 | {1e-5, 1e-4, 0, 0, 0, 0, 0, 0 }, /* mA */ | |
43 | {1e-2, 0, 0, 0, 0, 0, 0, 0 }, /* A */ | |
44 | {1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 0, 0 }, /* RPM */ | |
45 | {1e-1, 1, 1e1, 1e2, 1e3, 1e4, 0, 0 }, /* Resistance */ | |
46 | {1, 1e1, 1e2, 1e3, 1e4, 1e5, 0, 0 }, /* Frequency */ | |
47 | {1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5}, /* Capacitance */ | |
4d2630e6 | 48 | {1e-3, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */ |
c01bdebc | 49 | }; |
4d2630e6 | 50 | static const float factors_19200_11b_5digits[9][8] = { |
c01bdebc AJ |
51 | {1e-4, 1e-3, 1e-2, 1e-1, 1e-5, 0, 0, 0}, /* V */ |
52 | {1e-8, 1e-7, 0, 0, 0, 0, 0, 0}, /* uA */ | |
53 | {1e-6, 1e-5, 0, 0, 0, 0, 0, 0}, /* mA */ | |
54 | {0, 1e-3, 0, 0, 0, 0, 0, 0}, /* A */ | |
55 | {1e-4, 1e-3, 1e-2, 1e-1, 1, 0, 0, 0}, /* Manual A */ | |
56 | {1e-2, 1e-1, 1, 1e1, 1e2, 1e3, 1e4, 0}, /* Resistance */ | |
57 | {1e-1, 0, 1, 1e1, 1e2, 1e3, 1e4, 0}, /* Frequency */ | |
58 | {1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5}, /* Capacitance */ | |
4d2630e6 | 59 | {1e-4, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */ |
c01bdebc | 60 | }; |
4d2630e6 | 61 | static const float factors_19200_11b_clampmeter[9][8] = { |
c01bdebc AJ |
62 | {1e-3, 1e-2, 1e-1, 1, 1e-4, 0, 0, 0}, /* V */ |
63 | {1e-7, 1e-6, 0, 0, 0, 0, 0, 0}, /* uA */ | |
64 | {1e-5, 1e-4, 0, 0, 0, 0, 0, 0}, /* mA */ | |
65 | {1e-2, 0, 0, 0, 0, 0, 0, 0}, /* A */ | |
66 | {1e-3, 1e-2, 1e-1, 1, 0, 0, 0, 0}, /* Manual A */ | |
67 | {1e-1, 1, 1e1, 1e2, 1e3, 1e4, 0, 0}, /* Resistance */ | |
68 | {1e-1, 0, 1, 1e1, 1e2, 1e3, 1e4, 0}, /* Frequency */ | |
69 | {1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5}, /* Capacitance */ | |
4d2630e6 | 70 | {1e-3, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */ |
c01bdebc | 71 | }; |
4d2630e6 | 72 | static const float factors_19200_11b[9][8] = { |
c01bdebc AJ |
73 | {1e-3, 1e-2, 1e-1, 1, 1e-4, 0, 0, 0}, /* V */ |
74 | {1e-7, 1e-6, 0, 0, 0, 0, 0, 0}, /* uA */ | |
75 | {1e-5, 1e-4, 0, 0, 0, 0, 0, 0}, /* mA */ | |
76 | {1e-3, 1e-2, 0, 0, 0, 0, 0, 0}, /* A */ | |
77 | {0, 0, 0, 0, 0, 0, 0, 0}, /* Manual A */ | |
78 | {1e-1, 1, 1e1, 1e2, 1e3, 1e4, 0, 0}, /* Resistance */ | |
79 | {1, 1e1, 1e2, 1e3, 1e4, 0, 0, 0}, /* Frequency */ | |
80 | {1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 0}, /* Capacitance */ | |
4d2630e6 | 81 | {1e-3, 0, 0, 0, 0, 0, 0, 0}, /* Diode */ |
c01bdebc | 82 | }; |
4d2630e6 | 83 | static const float factors_19200_14b[9][8] = { |
c01bdebc AJ |
84 | {1e-4, 1e-3, 1e-2, 1e-1, 1e-5, 0, 0, 0}, /* V */ |
85 | {1e-8, 1e-7, 0, 0, 0, 0, 0, 0}, /* uA */ | |
86 | {1e-6, 1e-5, 0, 0, 0, 0, 0, 0}, /* mA */ | |
87 | {1e-3, 0, 0, 0, 0, 0, 0, 0}, /* A */ | |
88 | {1e-4, 1e-3, 1e-2, 1e-1, 1, 0, 0, 0}, /* Manual A */ | |
89 | {1e-2, 1e-1, 1, 1e1, 1e2, 1e3, 1e4, 0}, /* Resistance */ | |
90 | {1e-2, 1e-1, 0, 1, 1e1, 1e2, 1e3, 1e4}, /* Frequency */ | |
91 | {1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5}, /* Capacitance */ | |
4d2630e6 | 92 | {1e-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 | ||
138 | static int parse_range(uint8_t b, float *floatval, | |
139 | const struct es519xx_info *info) | |
140 | { | |
72e1672f | 141 | int idx, mode; |
c01bdebc AJ |
142 | float factor = 0; |
143 | ||
72e1672f UH |
144 | idx = b - '0'; |
145 | ||
c01bdebc AJ |
146 | if (idx < 0 || idx > 7) { |
147 | sr_dbg("Invalid range byte / index: 0x%02x / 0x%02x.", b, idx); | |
148 | return SR_ERR; | |
149 | } | |
150 | ||
151 | /* Parse range byte (depends on the measurement mode). */ | |
152 | if (info->is_voltage) | |
153 | mode = 0; /* V */ | |
154 | else if (info->is_current && info->is_micro) | |
155 | mode = 1; /* uA */ | |
156 | else if (info->is_current && info->is_milli) | |
157 | mode = 2; /* mA */ | |
158 | else if (info->is_current && info->is_auto) | |
159 | mode = 3; /* A */ | |
72e1672f | 160 | else if (info->is_current && !info->is_auto) |
c01bdebc AJ |
161 | mode = 4; /* Manual A */ |
162 | else if (info->is_rpm) | |
72e1672f | 163 | /* Not a typo, it's really index 4 in factors_2400_11b[][]. */ |
c01bdebc | 164 | mode = 4; /* RPM */ |
a7c01629 | 165 | else if (info->is_resistance || info->is_continuity) |
c01bdebc AJ |
166 | mode = 5; /* Resistance */ |
167 | else if (info->is_frequency) | |
168 | mode = 6; /* Frequency */ | |
169 | else if (info->is_capacitance) | |
170 | mode = 7; /* Capacitance */ | |
4d2630e6 AJ |
171 | else if (info->is_diode) |
172 | mode = 8; /* Diode */ | |
c3e871dc AJ |
173 | else if (info->is_duty_cycle) |
174 | mode = 0; /* Dummy, unused */ | |
c01bdebc AJ |
175 | else { |
176 | sr_dbg("Invalid mode, range byte was: 0x%02x.", b); | |
177 | return SR_ERR; | |
178 | } | |
179 | ||
180 | if (info->is_vbar) { | |
181 | if (info->is_micro) | |
72e1672f | 182 | factor = (const float[]){1e-1, 1}[idx]; |
c01bdebc | 183 | else if (info->is_milli) |
72e1672f | 184 | factor = (const float[]){1e-2, 1e-1}[idx]; |
c01bdebc | 185 | } |
c3e871dc AJ |
186 | else if (info->is_duty_cycle) |
187 | factor = 1e-1; | |
c01bdebc | 188 | else if (info->baudrate == 2400) |
72e1672f | 189 | factor = factors_2400_11b[mode][idx]; |
c01bdebc | 190 | else if (info->fivedigits) |
72e1672f | 191 | factor = factors_19200_11b_5digits[mode][idx]; |
c01bdebc | 192 | else if (info->clampmeter) |
72e1672f | 193 | factor = factors_19200_11b_clampmeter[mode][idx]; |
c01bdebc | 194 | else if (info->packet_size == 11) |
72e1672f | 195 | factor = factors_19200_11b[mode][idx]; |
c01bdebc | 196 | else if (info->packet_size == 14) |
72e1672f | 197 | factor = factors_19200_14b[mode][idx]; |
c01bdebc AJ |
198 | |
199 | if (factor == 0) { | |
200 | sr_dbg("Invalid factor for range byte: 0x%02x.", b); | |
201 | return SR_ERR; | |
202 | } | |
203 | ||
204 | /* Apply respective factor (mode-dependent) on the value. */ | |
205 | *floatval *= factor; | |
206 | sr_dbg("Applying factor %f, new value is %f.", factor, *floatval); | |
207 | ||
208 | return SR_OK; | |
209 | } | |
210 | ||
211 | static void parse_flags(const uint8_t *buf, struct es519xx_info *info) | |
212 | { | |
72e1672f | 213 | int function, status; |
c01bdebc | 214 | |
72e1672f UH |
215 | function = 5 + ((info->packet_size == 14) ? 1 : 0); |
216 | status = function + 1; | |
217 | ||
218 | /* Status byte */ | |
c01bdebc AJ |
219 | if (info->alt_functions) { |
220 | info->is_sign = (buf[status] & (1 << 3)) != 0; | |
72e1672f UH |
221 | info->is_batt = (buf[status] & (1 << 2)) != 0; /* Bat. low */ |
222 | info->is_ol = (buf[status] & (1 << 1)) != 0; /* Overflow */ | |
223 | info->is_ol |= (buf[status] & (1 << 0)) != 0; /* Overflow */ | |
c01bdebc AJ |
224 | } else { |
225 | info->is_judge = (buf[status] & (1 << 3)) != 0; | |
226 | info->is_sign = (buf[status] & (1 << 2)) != 0; | |
72e1672f UH |
227 | info->is_batt = (buf[status] & (1 << 1)) != 0; /* Bat. low */ |
228 | info->is_ol = (buf[status] & (1 << 0)) != 0; /* Overflow */ | |
c01bdebc AJ |
229 | } |
230 | ||
231 | if (info->packet_size == 14) { | |
72e1672f UH |
232 | /* Option 1 byte */ |
233 | info->is_max = (buf[8] & (1 << 3)) != 0; | |
234 | info->is_min = (buf[8] & (1 << 2)) != 0; | |
235 | info->is_rel = (buf[8] & (1 << 1)) != 0; | |
236 | info->is_rmr = (buf[8] & (1 << 0)) != 0; | |
237 | ||
238 | /* Option 2 byte */ | |
239 | info->is_ul = (buf[9] & (1 << 3)) != 0; /* Underflow */ | |
240 | info->is_pmax = (buf[9] & (1 << 2)) != 0; /* Max. peak value */ | |
241 | info->is_pmin = (buf[9] & (1 << 1)) != 0; /* Min. peak value */ | |
242 | ||
243 | /* Option 3 byte */ | |
244 | info->is_dc = (buf[10] & (1 << 3)) != 0; | |
245 | info->is_ac = (buf[10] & (1 << 2)) != 0; | |
246 | info->is_auto = (buf[10] & (1 << 1)) != 0; | |
247 | info->is_vahz = (buf[10] & (1 << 0)) != 0; | |
248 | ||
249 | /* LPF: Low-pass filter(s) */ | |
c01bdebc | 250 | if (info->selectable_lpf) { |
72e1672f UH |
251 | /* Option 4 byte */ |
252 | info->is_hold = (buf[11] & (1 << 3)) != 0; | |
253 | info->is_vbar = (buf[11] & (1 << 2)) != 0; | |
254 | info->is_lpf1 = (buf[11] & (1 << 1)) != 0; | |
255 | info->is_lpf0 = (buf[11] & (1 << 0)) != 0; | |
c01bdebc | 256 | } else { |
72e1672f UH |
257 | /* Option 4 byte */ |
258 | info->is_vbar = (buf[11] & (1 << 2)) != 0; | |
259 | info->is_hold = (buf[11] & (1 << 1)) != 0; | |
260 | info->is_lpf1 = (buf[11] & (1 << 0)) != 0; | |
c01bdebc AJ |
261 | } |
262 | } else if (info->alt_functions) { | |
72e1672f UH |
263 | /* Option 2 byte */ |
264 | info->is_dc = (buf[8] & (1 << 3)) != 0; | |
265 | info->is_auto = (buf[8] & (1 << 2)) != 0; | |
266 | info->is_apo = (buf[8] & (1 << 0)) != 0; | |
267 | info->is_ac = !info->is_dc; | |
c01bdebc | 268 | } else { |
72e1672f | 269 | /* Option 1 byte */ |
c01bdebc AJ |
270 | if (info->baudrate == 2400) { |
271 | info->is_pmax = (buf[7] & (1 << 3)) != 0; | |
272 | info->is_pmin = (buf[7] & (1 << 2)) != 0; | |
273 | info->is_vahz = (buf[7] & (1 << 0)) != 0; | |
274 | } else if (info->fivedigits) { | |
275 | info->is_ul = (buf[7] & (1 << 3)) != 0; | |
276 | info->is_pmax = (buf[7] & (1 << 2)) != 0; | |
277 | info->is_pmin = (buf[7] & (1 << 1)) != 0; | |
278 | info->is_digit4 = (buf[7] & (1 << 0)) != 0; | |
279 | } else if (info->clampmeter) { | |
280 | info->is_ul = (buf[7] & (1 << 3)) != 0; | |
281 | info->is_vasel = (buf[7] & (1 << 2)) != 0; | |
282 | info->is_vbar = (buf[7] & (1 << 1)) != 0; | |
283 | } else { | |
284 | info->is_hold = (buf[7] & (1 << 3)) != 0; | |
285 | info->is_max = (buf[7] & (1 << 2)) != 0; | |
286 | info->is_min = (buf[7] & (1 << 1)) != 0; | |
287 | } | |
288 | ||
72e1672f UH |
289 | /* Option 2 byte */ |
290 | info->is_dc = (buf[8] & (1 << 3)) != 0; | |
291 | info->is_ac = (buf[8] & (1 << 2)) != 0; | |
292 | info->is_auto = (buf[8] & (1 << 1)) != 0; | |
c01bdebc AJ |
293 | if (info->baudrate == 2400) |
294 | info->is_apo = (buf[8] & (1 << 0)) != 0; | |
295 | else | |
296 | info->is_vahz = (buf[8] & (1 << 0)) != 0; | |
297 | } | |
298 | ||
72e1672f | 299 | /* Function byte */ |
c01bdebc AJ |
300 | if (info->alt_functions) { |
301 | switch (buf[function]) { | |
302 | case 0x3f: /* A */ | |
303 | info->is_current = info->is_auto = TRUE; | |
304 | break; | |
305 | case 0x3e: /* uA */ | |
306 | info->is_current = info->is_micro = info->is_auto = TRUE; | |
307 | break; | |
308 | case 0x3d: /* mA */ | |
309 | info->is_current = info->is_milli = info->is_auto = TRUE; | |
310 | break; | |
311 | case 0x3c: /* V */ | |
312 | info->is_voltage = TRUE; | |
313 | break; | |
314 | case 0x37: /* Resistance */ | |
315 | info->is_resistance = TRUE; | |
316 | break; | |
317 | case 0x36: /* Continuity */ | |
318 | info->is_continuity = TRUE; | |
319 | break; | |
320 | case 0x3b: /* Diode */ | |
321 | info->is_diode = TRUE; | |
322 | break; | |
323 | case 0x3a: /* Frequency */ | |
324 | info->is_frequency = TRUE; | |
325 | break; | |
326 | case 0x34: /* ADP0 */ | |
327 | case 0x35: /* ADP0 */ | |
328 | info->is_adp0 = TRUE; | |
329 | break; | |
330 | case 0x38: /* ADP1 */ | |
331 | case 0x39: /* ADP1 */ | |
332 | info->is_adp1 = TRUE; | |
333 | break; | |
334 | case 0x32: /* ADP2 */ | |
335 | case 0x33: /* ADP2 */ | |
336 | info->is_adp2 = TRUE; | |
337 | break; | |
338 | case 0x30: /* ADP3 */ | |
339 | case 0x31: /* ADP3 */ | |
340 | info->is_adp3 = TRUE; | |
341 | break; | |
342 | default: | |
ec5186f9 | 343 | sr_dbg("Invalid function byte: 0x%02x.", buf[function]); |
c01bdebc AJ |
344 | break; |
345 | } | |
346 | } else { | |
72e1672f | 347 | /* Note: Some of these mappings are fixed up later. */ |
c01bdebc AJ |
348 | switch (buf[function]) { |
349 | case 0x3b: /* V */ | |
350 | info->is_voltage = TRUE; | |
351 | break; | |
352 | case 0x3d: /* uA */ | |
353 | info->is_current = info->is_micro = info->is_auto = TRUE; | |
354 | break; | |
355 | case 0x3f: /* mA */ | |
356 | info->is_current = info->is_milli = info->is_auto = TRUE; | |
357 | break; | |
358 | case 0x30: /* A */ | |
359 | info->is_current = info->is_auto = TRUE; | |
360 | break; | |
361 | case 0x39: /* Manual A */ | |
362 | info->is_current = TRUE; | |
363 | info->is_auto = FALSE; /* Manual mode */ | |
364 | break; | |
365 | case 0x33: /* Resistance */ | |
366 | info->is_resistance = TRUE; | |
367 | break; | |
368 | case 0x35: /* Continuity */ | |
369 | info->is_continuity = TRUE; | |
370 | break; | |
371 | case 0x31: /* Diode */ | |
372 | info->is_diode = TRUE; | |
373 | break; | |
374 | case 0x32: /* Frequency / RPM / duty cycle */ | |
375 | if (info->packet_size == 14) { | |
376 | if (info->is_judge) | |
c01bdebc | 377 | info->is_duty_cycle = TRUE; |
e1f9f1e1 AJ |
378 | else |
379 | info->is_frequency = TRUE; | |
c01bdebc AJ |
380 | } else { |
381 | if (info->is_judge) | |
382 | info->is_rpm = TRUE; | |
383 | else | |
384 | info->is_frequency = TRUE; | |
385 | } | |
386 | break; | |
387 | case 0x36: /* Capacitance */ | |
388 | info->is_capacitance = TRUE; | |
389 | break; | |
390 | case 0x34: /* Temperature */ | |
391 | info->is_temperature = TRUE; | |
392 | if (info->is_judge) | |
393 | info->is_celsius = TRUE; | |
394 | else | |
395 | info->is_fahrenheit = TRUE; | |
72e1672f | 396 | /* IMPORTANT: The digits always represent Celsius! */ |
c01bdebc AJ |
397 | break; |
398 | case 0x3e: /* ADP0 */ | |
399 | info->is_adp0 = TRUE; | |
400 | break; | |
401 | case 0x3c: /* ADP1 */ | |
402 | info->is_adp1 = TRUE; | |
403 | break; | |
404 | case 0x38: /* ADP2 */ | |
405 | info->is_adp2 = TRUE; | |
406 | break; | |
407 | case 0x3a: /* ADP3 */ | |
408 | info->is_adp3 = TRUE; | |
409 | break; | |
410 | default: | |
ec5186f9 | 411 | sr_dbg("Invalid function byte: 0x%02x.", buf[function]); |
c01bdebc AJ |
412 | break; |
413 | } | |
414 | } | |
415 | ||
29bad967 AJ |
416 | if (info->is_vahz && (info->is_voltage || info->is_current)) { |
417 | info->is_voltage = FALSE; | |
418 | info->is_current = FALSE; | |
419 | info->is_milli = info->is_micro = FALSE; | |
420 | if (info->packet_size == 14) { | |
421 | if (info->is_judge) | |
422 | info->is_duty_cycle = TRUE; | |
423 | else | |
424 | info->is_frequency = TRUE; | |
425 | } else { | |
426 | if (info->is_judge) | |
427 | info->is_rpm = TRUE; | |
428 | else | |
429 | info->is_frequency = TRUE; | |
430 | } | |
431 | } | |
432 | ||
c01bdebc AJ |
433 | if (info->is_current && (info->is_micro || info->is_milli) && info->is_vasel) { |
434 | info->is_current = info->is_auto = FALSE; | |
435 | info->is_voltage = TRUE; | |
436 | } | |
437 | ||
438 | if (info->baudrate == 2400) { | |
72e1672f | 439 | /* Inverted mapping between mA and A, and no manual A. */ |
c01bdebc AJ |
440 | if (info->is_current && (info->is_milli || !info->is_auto)) { |
441 | info->is_milli = !info->is_milli; | |
442 | info->is_auto = TRUE; | |
443 | } | |
444 | } | |
445 | } | |
446 | ||
5faebab2 | 447 | static void handle_flags(struct sr_datafeed_analog_old *analog, |
72e1672f | 448 | float *floatval, const struct es519xx_info *info) |
c01bdebc AJ |
449 | { |
450 | /* | |
451 | * Note: is_micro etc. are not used directly to multiply/divide | |
452 | * floatval, this is handled via parse_range() and factors[][]. | |
453 | */ | |
454 | ||
455 | /* Measurement modes */ | |
456 | if (info->is_voltage) { | |
457 | analog->mq = SR_MQ_VOLTAGE; | |
458 | analog->unit = SR_UNIT_VOLT; | |
459 | } | |
460 | if (info->is_current) { | |
461 | analog->mq = SR_MQ_CURRENT; | |
462 | analog->unit = SR_UNIT_AMPERE; | |
463 | } | |
464 | if (info->is_resistance) { | |
465 | analog->mq = SR_MQ_RESISTANCE; | |
466 | analog->unit = SR_UNIT_OHM; | |
467 | } | |
468 | if (info->is_frequency) { | |
469 | analog->mq = SR_MQ_FREQUENCY; | |
470 | analog->unit = SR_UNIT_HERTZ; | |
471 | } | |
472 | if (info->is_capacitance) { | |
473 | analog->mq = SR_MQ_CAPACITANCE; | |
474 | analog->unit = SR_UNIT_FARAD; | |
475 | } | |
476 | if (info->is_temperature && info->is_celsius) { | |
477 | analog->mq = SR_MQ_TEMPERATURE; | |
478 | analog->unit = SR_UNIT_CELSIUS; | |
479 | } | |
480 | if (info->is_temperature && info->is_fahrenheit) { | |
481 | analog->mq = SR_MQ_TEMPERATURE; | |
482 | analog->unit = SR_UNIT_FAHRENHEIT; | |
483 | } | |
484 | if (info->is_continuity) { | |
485 | analog->mq = SR_MQ_CONTINUITY; | |
486 | analog->unit = SR_UNIT_BOOLEAN; | |
a7c01629 | 487 | *floatval = (*floatval < 0.0 || *floatval > 25.0) ? 0.0 : 1.0; |
c01bdebc AJ |
488 | } |
489 | if (info->is_diode) { | |
490 | analog->mq = SR_MQ_VOLTAGE; | |
491 | analog->unit = SR_UNIT_VOLT; | |
492 | } | |
493 | if (info->is_rpm) { | |
494 | analog->mq = SR_MQ_FREQUENCY; | |
495 | analog->unit = SR_UNIT_REVOLUTIONS_PER_MINUTE; | |
496 | } | |
497 | if (info->is_duty_cycle) { | |
498 | analog->mq = SR_MQ_DUTY_CYCLE; | |
499 | analog->unit = SR_UNIT_PERCENTAGE; | |
500 | } | |
501 | ||
502 | /* Measurement related flags */ | |
503 | if (info->is_ac) | |
504 | analog->mqflags |= SR_MQFLAG_AC; | |
505 | if (info->is_dc) | |
506 | analog->mqflags |= SR_MQFLAG_DC; | |
507 | if (info->is_auto) | |
508 | analog->mqflags |= SR_MQFLAG_AUTORANGE; | |
509 | if (info->is_diode) | |
510 | analog->mqflags |= SR_MQFLAG_DIODE; | |
511 | if (info->is_hold) | |
72e1672f UH |
512 | /* |
513 | * Note: HOLD only affects the number displayed on the LCD, | |
514 | * but not the value sent via the protocol! It also does not | |
515 | * affect the bargraph on the LCD. | |
516 | */ | |
c01bdebc AJ |
517 | analog->mqflags |= SR_MQFLAG_HOLD; |
518 | if (info->is_max) | |
519 | analog->mqflags |= SR_MQFLAG_MAX; | |
520 | if (info->is_min) | |
521 | analog->mqflags |= SR_MQFLAG_MIN; | |
522 | if (info->is_rel) | |
523 | analog->mqflags |= SR_MQFLAG_RELATIVE; | |
524 | ||
525 | /* Other flags */ | |
526 | if (info->is_judge) | |
527 | sr_spew("Judge bit is set."); | |
528 | if (info->is_batt) | |
529 | sr_spew("Battery is low."); | |
530 | if (info->is_ol) | |
531 | sr_spew("Input overflow."); | |
532 | if (info->is_ul) | |
533 | sr_spew("Input underflow."); | |
534 | if (info->is_pmax) | |
535 | sr_spew("pMAX active, LCD shows max. peak value."); | |
536 | if (info->is_pmin) | |
537 | sr_spew("pMIN active, LCD shows min. peak value."); | |
538 | if (info->is_vahz) | |
539 | sr_spew("VAHZ active."); | |
540 | if (info->is_apo) | |
541 | sr_spew("Auto-Power-Off enabled."); | |
542 | if (info->is_vbar) | |
543 | sr_spew("VBAR active."); | |
544 | if ((!info->selectable_lpf && info->is_lpf1) || | |
545 | (info->selectable_lpf && (!info->is_lpf0 || !info->is_lpf1))) | |
546 | sr_spew("Low-pass filter feature is active."); | |
547 | } | |
548 | ||
549 | static gboolean flags_valid(const struct es519xx_info *info) | |
550 | { | |
551 | int count; | |
552 | ||
553 | /* Does the packet have more than one multiplier? */ | |
72e1672f UH |
554 | count = (info->is_micro) ? 1 : 0; |
555 | count += (info->is_milli) ? 1 : 0; | |
c01bdebc | 556 | if (count > 1) { |
ec5186f9 | 557 | sr_dbg("More than one multiplier detected in packet."); |
c01bdebc AJ |
558 | return FALSE; |
559 | } | |
560 | ||
561 | /* Does the packet "measure" more than one type of value? */ | |
72e1672f UH |
562 | count = (info->is_voltage) ? 1 : 0; |
563 | count += (info->is_current) ? 1 : 0; | |
564 | count += (info->is_resistance) ? 1 : 0; | |
565 | count += (info->is_frequency) ? 1 : 0; | |
566 | count += (info->is_capacitance) ? 1 : 0; | |
567 | count += (info->is_temperature) ? 1 : 0; | |
568 | count += (info->is_continuity) ? 1 : 0; | |
569 | count += (info->is_diode) ? 1 : 0; | |
570 | count += (info->is_rpm) ? 1 : 0; | |
c01bdebc | 571 | if (count > 1) { |
ec5186f9 | 572 | sr_dbg("More than one measurement type detected in packet."); |
c01bdebc AJ |
573 | return FALSE; |
574 | } | |
575 | ||
576 | /* Both AC and DC set? */ | |
577 | if (info->is_ac && info->is_dc) { | |
ec5186f9 | 578 | sr_dbg("Both AC and DC flags detected in packet."); |
c01bdebc AJ |
579 | return FALSE; |
580 | } | |
581 | ||
582 | return TRUE; | |
583 | } | |
584 | ||
585 | static gboolean sr_es519xx_packet_valid(const uint8_t *buf, | |
586 | struct es519xx_info *info) | |
587 | { | |
72e1672f UH |
588 | int s; |
589 | ||
590 | s = info->packet_size; | |
c01bdebc | 591 | |
72e1672f | 592 | if (s == 11 && memcmp(buf, buf + s, s)) |
c01bdebc AJ |
593 | return FALSE; |
594 | ||
72e1672f | 595 | if (buf[s - 2] != '\r' || buf[s - 1] != '\n') |
c01bdebc AJ |
596 | return FALSE; |
597 | ||
598 | parse_flags(buf, info); | |
599 | ||
600 | if (!flags_valid(info)) | |
601 | return FALSE; | |
602 | ||
603 | return TRUE; | |
604 | } | |
605 | ||
606 | static int sr_es519xx_parse(const uint8_t *buf, float *floatval, | |
5faebab2 | 607 | struct sr_datafeed_analog_old *analog, |
c01bdebc AJ |
608 | struct es519xx_info *info) |
609 | { | |
610 | int ret; | |
611 | ||
612 | if (!sr_es519xx_packet_valid(buf, info)) | |
613 | return SR_ERR; | |
614 | ||
615 | if ((ret = parse_value(buf, info, floatval)) != SR_OK) { | |
ec5186f9 | 616 | sr_dbg("Error parsing value: %d.", ret); |
c01bdebc AJ |
617 | return ret; |
618 | } | |
619 | ||
a7c01629 AJ |
620 | if ((ret = parse_range(buf[0], floatval, info)) != SR_OK) |
621 | return ret; | |
c01bdebc | 622 | |
a7c01629 AJ |
623 | handle_flags(analog, floatval, info); |
624 | return SR_OK; | |
c01bdebc AJ |
625 | } |
626 | ||
c01bdebc | 627 | /* |
72e1672f | 628 | * Functions for 2400 baud / 11 bytes protocols. |
c01bdebc AJ |
629 | * This includes ES51962, ES51971, ES51972, ES51978 and ES51989. |
630 | */ | |
72e1672f | 631 | SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf) |
c01bdebc | 632 | { |
35b904a7 | 633 | struct es519xx_info info; |
72e1672f | 634 | |
35b904a7 | 635 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
636 | info.baudrate = 2400; |
637 | info.packet_size = 11; | |
638 | ||
c01bdebc AJ |
639 | return sr_es519xx_packet_valid(buf, &info); |
640 | } | |
641 | ||
72e1672f | 642 | SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval, |
5faebab2 | 643 | struct sr_datafeed_analog_old *analog, void *info) |
c01bdebc | 644 | { |
72e1672f UH |
645 | struct es519xx_info *info_local; |
646 | ||
647 | info_local = info; | |
94e9021b | 648 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
649 | info_local->baudrate = 2400; |
650 | info_local->packet_size = 11; | |
651 | ||
c01bdebc AJ |
652 | return sr_es519xx_parse(buf, floatval, analog, info); |
653 | } | |
654 | ||
c01bdebc | 655 | /* |
72e1672f | 656 | * Functions for 2400 baud / 11 byte protocols. |
c01bdebc AJ |
657 | * This includes ES51960, ES51977 and ES51988. |
658 | */ | |
72e1672f | 659 | SR_PRIV gboolean sr_es519xx_2400_11b_altfn_packet_valid(const uint8_t *buf) |
c01bdebc | 660 | { |
35b904a7 | 661 | struct es519xx_info info; |
72e1672f | 662 | |
35b904a7 | 663 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
664 | info.baudrate = 2400; |
665 | info.packet_size = 11; | |
666 | info.alt_functions = TRUE; | |
667 | ||
c01bdebc AJ |
668 | return sr_es519xx_packet_valid(buf, &info); |
669 | } | |
670 | ||
72e1672f | 671 | SR_PRIV int sr_es519xx_2400_11b_altfn_parse(const uint8_t *buf, |
5faebab2 | 672 | float *floatval, struct sr_datafeed_analog_old *analog, void *info) |
c01bdebc | 673 | { |
72e1672f UH |
674 | struct es519xx_info *info_local; |
675 | ||
676 | info_local = info; | |
94e9021b | 677 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
678 | info_local->baudrate = 2400; |
679 | info_local->packet_size = 11; | |
680 | info_local->alt_functions = TRUE; | |
681 | ||
c01bdebc AJ |
682 | return sr_es519xx_parse(buf, floatval, analog, info); |
683 | } | |
684 | ||
c01bdebc | 685 | /* |
72e1672f | 686 | * Functions for 19200 baud / 11 bytes protocols with 5 digits display. |
c01bdebc AJ |
687 | * This includes ES51911, ES51916 and ES51918. |
688 | */ | |
72e1672f | 689 | SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf) |
c01bdebc | 690 | { |
35b904a7 | 691 | struct es519xx_info info; |
72e1672f | 692 | |
35b904a7 | 693 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
694 | info.baudrate = 19200; |
695 | info.packet_size = 11; | |
696 | info.fivedigits = TRUE; | |
697 | ||
c01bdebc AJ |
698 | return sr_es519xx_packet_valid(buf, &info); |
699 | } | |
700 | ||
93d719cd | 701 | SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf, |
5faebab2 | 702 | float *floatval, struct sr_datafeed_analog_old *analog, void *info) |
c01bdebc | 703 | { |
72e1672f UH |
704 | struct es519xx_info *info_local; |
705 | ||
706 | info_local = info; | |
94e9021b | 707 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
708 | info_local->baudrate = 19200; |
709 | info_local->packet_size = 11; | |
710 | info_local->fivedigits = TRUE; | |
711 | ||
c01bdebc AJ |
712 | return sr_es519xx_parse(buf, floatval, analog, info); |
713 | } | |
714 | ||
c01bdebc | 715 | /* |
72e1672f | 716 | * Functions for 19200 baud / 11 bytes protocols with clamp meter support. |
c01bdebc AJ |
717 | * This includes ES51967 and ES51969. |
718 | */ | |
72e1672f | 719 | SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf) |
c01bdebc | 720 | { |
35b904a7 | 721 | struct es519xx_info info; |
72e1672f | 722 | |
35b904a7 | 723 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
724 | info.baudrate = 19200; |
725 | info.packet_size = 11; | |
726 | info.clampmeter = TRUE; | |
727 | ||
c01bdebc AJ |
728 | return sr_es519xx_packet_valid(buf, &info); |
729 | } | |
730 | ||
72e1672f | 731 | SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf, |
5faebab2 | 732 | float *floatval, struct sr_datafeed_analog_old *analog, void *info) |
c01bdebc | 733 | { |
72e1672f UH |
734 | struct es519xx_info *info_local; |
735 | ||
736 | info_local = info; | |
94e9021b | 737 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
738 | info_local->baudrate = 19200; |
739 | info_local->packet_size = 11; | |
740 | info_local->clampmeter = TRUE; | |
741 | ||
c01bdebc AJ |
742 | return sr_es519xx_parse(buf, floatval, analog, info); |
743 | } | |
744 | ||
c01bdebc | 745 | /* |
72e1672f | 746 | * Functions for 19200 baud / 11 bytes protocols. |
c01bdebc AJ |
747 | * This includes ES51981, ES51982, ES51983, ES51984 and ES51986. |
748 | */ | |
72e1672f | 749 | SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf) |
c01bdebc | 750 | { |
35b904a7 | 751 | struct es519xx_info info; |
72e1672f | 752 | |
35b904a7 | 753 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
754 | info.baudrate = 19200; |
755 | info.packet_size = 11; | |
756 | ||
c01bdebc AJ |
757 | return sr_es519xx_packet_valid(buf, &info); |
758 | } | |
759 | ||
72e1672f | 760 | SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval, |
5faebab2 | 761 | struct sr_datafeed_analog_old *analog, void *info) |
c01bdebc | 762 | { |
72e1672f UH |
763 | struct es519xx_info *info_local; |
764 | ||
765 | info_local = info; | |
94e9021b | 766 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
767 | info_local->baudrate = 19200; |
768 | info_local->packet_size = 11; | |
769 | ||
c01bdebc AJ |
770 | return sr_es519xx_parse(buf, floatval, analog, info); |
771 | } | |
772 | ||
c01bdebc | 773 | /* |
72e1672f | 774 | * Functions for 19200 baud / 14 bytes protocols. |
c01bdebc AJ |
775 | * This includes ES51921 and ES51922. |
776 | */ | |
72e1672f | 777 | SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf) |
c01bdebc | 778 | { |
35b904a7 | 779 | struct es519xx_info info; |
72e1672f | 780 | |
35b904a7 | 781 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
782 | info.baudrate = 19200; |
783 | info.packet_size = 14; | |
784 | ||
c01bdebc AJ |
785 | return sr_es519xx_packet_valid(buf, &info); |
786 | } | |
787 | ||
72e1672f | 788 | SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval, |
5faebab2 | 789 | struct sr_datafeed_analog_old *analog, void *info) |
c01bdebc | 790 | { |
72e1672f UH |
791 | struct es519xx_info *info_local; |
792 | ||
793 | info_local = info; | |
94e9021b | 794 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
795 | info_local->baudrate = 19200; |
796 | info_local->packet_size = 14; | |
797 | ||
c01bdebc AJ |
798 | return sr_es519xx_parse(buf, floatval, analog, info); |
799 | } | |
800 | ||
c01bdebc | 801 | /* |
72e1672f | 802 | * Functions for 19200 baud / 14 bytes protocols with selectable LPF. |
c01bdebc AJ |
803 | * This includes ES51931 and ES51932. |
804 | */ | |
72e1672f | 805 | SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf) |
c01bdebc | 806 | { |
35b904a7 | 807 | struct es519xx_info info; |
72e1672f | 808 | |
35b904a7 | 809 | memset(&info, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
810 | info.baudrate = 19200; |
811 | info.packet_size = 14; | |
812 | info.selectable_lpf = TRUE; | |
813 | ||
c01bdebc AJ |
814 | return sr_es519xx_packet_valid(buf, &info); |
815 | } | |
816 | ||
72e1672f | 817 | SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf, |
5faebab2 | 818 | float *floatval, struct sr_datafeed_analog_old *analog, void *info) |
c01bdebc | 819 | { |
72e1672f UH |
820 | struct es519xx_info *info_local; |
821 | ||
822 | info_local = info; | |
94e9021b | 823 | memset(info_local, 0, sizeof(struct es519xx_info)); |
72e1672f UH |
824 | info_local->baudrate = 19200; |
825 | info_local->packet_size = 14; | |
826 | info_local->selectable_lpf = TRUE; | |
827 | ||
c01bdebc AJ |
828 | return sr_es519xx_parse(buf, floatval, analog, info); |
829 | } |