2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
5 * Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org>
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.
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.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 * Cyrustek ES519XX protocol parser.
24 * Communication parameters: Unidirectional, 2400/7o1 or 19230/7o1
32 #include <libsigrok/libsigrok.h>
33 #include "libsigrok-internal.h"
35 #define LOG_PREFIX "es519xx"
37 /* Exponents for the respective measurement mode. */
38 static const int exponents_2400_11b[9][8] = {
39 { -4, -3, -2, -1, 0, 0, 0, 0 }, /* V */
40 { -7, -6, 0, 0, 0, 0, 0, 0 }, /* uA */
41 { -5, -4, 0, 0, 0, 0, 0, 0 }, /* mA */
42 { -2, 0, 0, 0, 0, 0, 0, 0 }, /* A */
43 { 1, 2, 3, 4, 5, 6, 0, 0 }, /* RPM */
44 { -1, 0, 1, 2, 3, 4, 0, 0 }, /* Resistance */
45 { 0, 1, 2, 3, 4, 5, 0, 0 }, /* Frequency */
46 { -12, -11, -10, -9, -8, -7, -6, -5 }, /* Capacitance */
47 { -3, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */
49 static const int exponents_19200_11b_5digits[9][8] = {
50 { -4, -3, -2, -1, -5, 0, 0, 0 }, /* V */
51 { -8, -7, 0, 0, 0, 0, 0, 0 }, /* uA */
52 { -6, -5, 0, 0, 0, 0, 0, 0 }, /* mA */
53 { 0, -3, 0, 0, 0, 0, 0, 0 }, /* A */
54 { -4, -3, -2, -1, 0, 0, 0, 0 }, /* Manual A */
55 { -2, -1, 0, 1, 2, 3, 4, 0 }, /* Resistance */
56 { -1, 0, 0, 1, 2, 3, 4, 0 }, /* Frequency */
57 { -12, -11, -10, -9, -8, -7, -6, -5 }, /* Capacitance */
58 { -4, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */
60 static const int exponents_19200_11b_clampmeter[9][8] = {
61 { -3, -2, -1, 0, -4, 0, 0, 0 }, /* V */
62 { -7, -6, 0, 0, 0, 0, 0, 0 }, /* uA */
63 { -5, -4, 0, 0, 0, 0, 0, 0 }, /* mA */
64 { -2, 0, 0, 0, 0, 0, 0, 0 }, /* A */
65 { -3, -2, -1, 0, 0, 0, 0, 0 }, /* Manual A */
66 { -1, 0, 1, 2, 3, 4, 0, 0 }, /* Resistance */
67 { -1, 0, 0, 1, 2, 3, 4, 0 }, /* Frequency */
68 { -12, -11, -10, -9, -8, -7, -6, -5 }, /* Capacitance */
69 { -3, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */
71 static const int exponents_19200_11b[9][8] = {
72 { -3, -2, -1, 0, -4, 0, 0, 0 }, /* V */
73 { -7, -6, 0, 0, 0, 0, 0, 0 }, /* uA */
74 { -5, -4, 0, 0, 0, 0, 0, 0 }, /* mA */
75 { -3, -2, 0, 0, 0, 0, 0, 0 }, /* A */
76 { 0, 0, 0, 0, 0, 0, 0, 0 }, /* Manual A */
77 { -1, 0, 1, 2, 3, 4, 0, 0 }, /* Resistance */
78 { 0, 1, 2, 3, 4, 0, 0, 0 }, /* Frequency */
79 { -12, -11, -10, -9, -8, -7, -6, 0 }, /* Capacitance */
80 { -3, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */
82 static const int exponents_19200_14b[9][8] = {
83 { -4, -3, -2, -1, -5, 0, 0, 0 }, /* V */
84 { -8, -7, 0, 0, 0, 0, 0, 0 }, /* uA */
85 { -6, -5, 0, 0, 0, 0, 0, 0 }, /* mA */
86 { -3, 0, 0, 0, 0, 0, 0, 0 }, /* A */
87 { -4, -3, -2, -1, 0, 0, 0, 0 }, /* Manual A */
88 { -2, -1, 0, 1, 2, 3, 4, 0 }, /* Resistance */
89 { -2, -1, 0, 0, 1, 2, 3, 4 }, /* Frequency */
90 { -12, -11, -10, -9, -8, -7, -6, -5 }, /* Capacitance */
91 { -4, 0, 0, 0, 0, 0, 0, 0 }, /* Diode */
94 static int parse_value(const uint8_t *buf, struct es519xx_info *info,
97 int i, intval, num_digits;
100 num_digits = 4 + ((info->packet_size == 14) ? 1 : 0);
102 /* Bytes 1-4 (or 5): Value (4 or 5 decimal digits) */
104 sr_spew("Over limit.");
107 } else if (info->is_ul) {
108 sr_spew("Under limit.");
111 } else if (!isdigit(buf[1]) || !isdigit(buf[2]) ||
112 !isdigit(buf[3]) || !isdigit(buf[4]) ||
113 (num_digits == 5 && !isdigit(buf[5]))) {
114 sr_dbg("Value contained invalid digits: %02x %02x %02x %02x "
115 "(%c %c %c %c).", buf[1], buf[2], buf[3], buf[4],
116 buf[1], buf[2], buf[3], buf[4]);
119 intval = (info->is_digit4) ? 1 : 0;
120 for (i = 0; i < num_digits; i++)
121 intval = 10 * intval + (buf[i + 1] - '0');
124 intval *= info->is_sign ? -1 : 1;
126 floatval = (float)intval;
128 /* Note: The decimal point position will be parsed later. */
130 sr_spew("The display value is %f.", floatval);
137 static int parse_range(uint8_t b, float *floatval, struct es519xx_info *info)
144 if (idx < 0 || idx > 7) {
145 sr_dbg("Invalid range byte / index: 0x%02x / 0x%02x.", b, idx);
149 /* Parse range byte (depends on the measurement mode). */
150 if (info->is_voltage)
152 else if (info->is_current && info->is_micro)
154 else if (info->is_current && info->is_milli)
156 else if (info->is_current && info->is_auto)
158 else if (info->is_current && !info->is_auto)
159 mode = 4; /* Manual A */
160 else if (info->is_rpm)
161 /* Not a typo, it's really index 4 in exponents_2400_11b[][]. */
163 else if (info->is_resistance || info->is_continuity)
164 mode = 5; /* Resistance */
165 else if (info->is_frequency)
166 mode = 6; /* Frequency */
167 else if (info->is_capacitance)
168 mode = 7; /* Capacitance */
169 else if (info->is_diode)
170 mode = 8; /* Diode */
171 else if (info->is_duty_cycle)
172 mode = 0; /* Dummy, unused */
174 sr_dbg("Invalid mode, range byte was: 0x%02x.", b);
180 exponent = (const int[]){-1, 0}[idx];
181 else if (info->is_milli)
182 exponent = (const int[]){-2, -1}[idx];
184 else if (info->is_duty_cycle)
186 else if (info->baudrate == 2400)
187 exponent = exponents_2400_11b[mode][idx];
188 else if (info->fivedigits)
189 exponent = exponents_19200_11b_5digits[mode][idx];
190 else if (info->clampmeter)
191 exponent = exponents_19200_11b_clampmeter[mode][idx];
192 else if (info->packet_size == 11)
193 exponent = exponents_19200_11b[mode][idx];
194 else if (info->packet_size == 14)
195 exponent = exponents_19200_14b[mode][idx];
197 /* Apply respective exponent (mode-dependent) on the value. */
198 *floatval *= powf(10, exponent);
199 sr_dbg("Applying exponent %d, new value is %f.", exponent, *floatval);
201 info->digits = -exponent;
206 static void parse_flags(const uint8_t *buf, struct es519xx_info *info)
208 int function, status;
210 function = 5 + ((info->packet_size == 14) ? 1 : 0);
211 status = function + 1;
214 if (info->alt_functions) {
215 info->is_sign = (buf[status] & (1 << 3)) != 0;
216 info->is_batt = (buf[status] & (1 << 2)) != 0; /* Bat. low */
217 info->is_ol = (buf[status] & (1 << 1)) != 0; /* Overflow */
218 info->is_ol |= (buf[status] & (1 << 0)) != 0; /* Overflow */
220 info->is_judge = (buf[status] & (1 << 3)) != 0;
221 info->is_sign = (buf[status] & (1 << 2)) != 0;
222 info->is_batt = (buf[status] & (1 << 1)) != 0; /* Bat. low */
223 info->is_ol = (buf[status] & (1 << 0)) != 0; /* Overflow */
226 if (info->packet_size == 14) {
228 info->is_max = (buf[8] & (1 << 3)) != 0;
229 info->is_min = (buf[8] & (1 << 2)) != 0;
230 info->is_rel = (buf[8] & (1 << 1)) != 0;
231 info->is_rmr = (buf[8] & (1 << 0)) != 0;
234 info->is_ul = (buf[9] & (1 << 3)) != 0; /* Underflow */
235 info->is_pmax = (buf[9] & (1 << 2)) != 0; /* Max. peak value */
236 info->is_pmin = (buf[9] & (1 << 1)) != 0; /* Min. peak value */
239 info->is_dc = (buf[10] & (1 << 3)) != 0;
240 info->is_ac = (buf[10] & (1 << 2)) != 0;
241 info->is_auto = (buf[10] & (1 << 1)) != 0;
242 info->is_vahz = (buf[10] & (1 << 0)) != 0;
244 /* LPF: Low-pass filter(s) */
245 if (info->selectable_lpf) {
247 info->is_hold = (buf[11] & (1 << 3)) != 0;
248 info->is_vbar = (buf[11] & (1 << 2)) != 0;
249 info->is_lpf1 = (buf[11] & (1 << 1)) != 0;
250 info->is_lpf0 = (buf[11] & (1 << 0)) != 0;
253 info->is_vbar = (buf[11] & (1 << 2)) != 0;
254 info->is_hold = (buf[11] & (1 << 1)) != 0;
255 info->is_lpf1 = (buf[11] & (1 << 0)) != 0;
257 } else if (info->alt_functions) {
259 info->is_dc = (buf[8] & (1 << 3)) != 0;
260 info->is_auto = (buf[8] & (1 << 2)) != 0;
261 info->is_apo = (buf[8] & (1 << 0)) != 0;
262 info->is_ac = !info->is_dc;
265 if (info->baudrate == 2400) {
266 info->is_pmax = (buf[7] & (1 << 3)) != 0;
267 info->is_pmin = (buf[7] & (1 << 2)) != 0;
268 info->is_vahz = (buf[7] & (1 << 0)) != 0;
269 } else if (info->fivedigits) {
270 info->is_ul = (buf[7] & (1 << 3)) != 0;
271 info->is_pmax = (buf[7] & (1 << 2)) != 0;
272 info->is_pmin = (buf[7] & (1 << 1)) != 0;
273 info->is_digit4 = (buf[7] & (1 << 0)) != 0;
274 } else if (info->clampmeter) {
275 info->is_ul = (buf[7] & (1 << 3)) != 0;
276 info->is_vasel = (buf[7] & (1 << 2)) != 0;
277 info->is_vbar = (buf[7] & (1 << 1)) != 0;
279 info->is_hold = (buf[7] & (1 << 3)) != 0;
280 info->is_max = (buf[7] & (1 << 2)) != 0;
281 info->is_min = (buf[7] & (1 << 1)) != 0;
285 info->is_dc = (buf[8] & (1 << 3)) != 0;
286 info->is_ac = (buf[8] & (1 << 2)) != 0;
287 info->is_auto = (buf[8] & (1 << 1)) != 0;
288 if (info->baudrate == 2400)
289 info->is_apo = (buf[8] & (1 << 0)) != 0;
291 info->is_vahz = (buf[8] & (1 << 0)) != 0;
295 if (info->alt_functions) {
296 switch (buf[function]) {
298 info->is_current = info->is_auto = TRUE;
301 info->is_current = info->is_micro = info->is_auto = TRUE;
304 info->is_current = info->is_milli = info->is_auto = TRUE;
307 info->is_voltage = TRUE;
309 case 0x37: /* Resistance */
310 info->is_resistance = TRUE;
312 case 0x36: /* Continuity */
313 info->is_continuity = TRUE;
315 case 0x3b: /* Diode */
316 info->is_diode = TRUE;
318 case 0x3a: /* Frequency */
319 info->is_frequency = TRUE;
321 case 0x34: /* ADP0 */
322 case 0x35: /* ADP0 */
323 info->is_adp0 = TRUE;
325 case 0x38: /* ADP1 */
326 case 0x39: /* ADP1 */
327 info->is_adp1 = TRUE;
329 case 0x32: /* ADP2 */
330 case 0x33: /* ADP2 */
331 info->is_adp2 = TRUE;
333 case 0x30: /* ADP3 */
334 case 0x31: /* ADP3 */
335 info->is_adp3 = TRUE;
338 sr_dbg("Invalid function byte: 0x%02x.", buf[function]);
342 /* Note: Some of these mappings are fixed up later. */
343 switch (buf[function]) {
345 info->is_voltage = TRUE;
348 info->is_current = info->is_micro = info->is_auto = TRUE;
351 info->is_current = info->is_milli = info->is_auto = TRUE;
354 info->is_current = info->is_auto = TRUE;
356 case 0x39: /* Manual A */
357 info->is_current = TRUE;
358 info->is_auto = FALSE; /* Manual mode */
360 case 0x33: /* Resistance */
361 info->is_resistance = TRUE;
363 case 0x35: /* Continuity */
364 info->is_continuity = TRUE;
366 case 0x31: /* Diode */
367 info->is_diode = TRUE;
369 case 0x32: /* Frequency / RPM / duty cycle */
370 if (info->packet_size == 14) {
372 info->is_duty_cycle = TRUE;
374 info->is_frequency = TRUE;
379 info->is_frequency = TRUE;
382 case 0x36: /* Capacitance */
383 info->is_capacitance = TRUE;
385 case 0x34: /* Temperature */
386 info->is_temperature = TRUE;
388 info->is_celsius = TRUE;
390 info->is_fahrenheit = TRUE;
391 /* IMPORTANT: The digits always represent Celsius! */
393 case 0x3e: /* ADP0 */
394 info->is_adp0 = TRUE;
396 case 0x3c: /* ADP1 */
397 info->is_adp1 = TRUE;
399 case 0x38: /* ADP2 */
400 info->is_adp2 = TRUE;
402 case 0x3a: /* ADP3 */
403 info->is_adp3 = TRUE;
406 sr_dbg("Invalid function byte: 0x%02x.", buf[function]);
411 if (info->is_vahz && (info->is_voltage || info->is_current)) {
412 info->is_voltage = FALSE;
413 info->is_current = FALSE;
414 info->is_milli = info->is_micro = FALSE;
415 if (info->packet_size == 14) {
417 info->is_duty_cycle = TRUE;
419 info->is_frequency = TRUE;
424 info->is_frequency = TRUE;
428 if (info->is_current && (info->is_micro || info->is_milli) && info->is_vasel) {
429 info->is_current = info->is_auto = FALSE;
430 info->is_voltage = TRUE;
433 if (info->baudrate == 2400) {
434 /* Inverted mapping between mA and A, and no manual A. */
435 if (info->is_current && (info->is_milli || !info->is_auto)) {
436 info->is_milli = !info->is_milli;
437 info->is_auto = TRUE;
442 static void handle_flags(struct sr_datafeed_analog *analog,
443 float *floatval, const struct es519xx_info *info)
446 * Note: is_micro etc. are not used directly to multiply/divide
447 * floatval, this is handled via parse_range() and exponents[][].
450 /* Measurement modes */
451 if (info->is_voltage) {
452 analog->meaning->mq = SR_MQ_VOLTAGE;
453 analog->meaning->unit = SR_UNIT_VOLT;
455 if (info->is_current) {
456 analog->meaning->mq = SR_MQ_CURRENT;
457 analog->meaning->unit = SR_UNIT_AMPERE;
459 if (info->is_resistance) {
460 analog->meaning->mq = SR_MQ_RESISTANCE;
461 analog->meaning->unit = SR_UNIT_OHM;
463 if (info->is_frequency) {
464 analog->meaning->mq = SR_MQ_FREQUENCY;
465 analog->meaning->unit = SR_UNIT_HERTZ;
467 if (info->is_capacitance) {
468 analog->meaning->mq = SR_MQ_CAPACITANCE;
469 analog->meaning->unit = SR_UNIT_FARAD;
471 if (info->is_temperature && info->is_celsius) {
472 analog->meaning->mq = SR_MQ_TEMPERATURE;
473 analog->meaning->unit = SR_UNIT_CELSIUS;
475 if (info->is_temperature && info->is_fahrenheit) {
476 analog->meaning->mq = SR_MQ_TEMPERATURE;
477 analog->meaning->unit = SR_UNIT_FAHRENHEIT;
479 if (info->is_continuity) {
480 analog->meaning->mq = SR_MQ_CONTINUITY;
481 analog->meaning->unit = SR_UNIT_BOOLEAN;
482 *floatval = (*floatval < 0.0 || *floatval > 25.0) ? 0.0 : 1.0;
484 if (info->is_diode) {
485 analog->meaning->mq = SR_MQ_VOLTAGE;
486 analog->meaning->unit = SR_UNIT_VOLT;
489 analog->meaning->mq = SR_MQ_FREQUENCY;
490 analog->meaning->unit = SR_UNIT_REVOLUTIONS_PER_MINUTE;
492 if (info->is_duty_cycle) {
493 analog->meaning->mq = SR_MQ_DUTY_CYCLE;
494 analog->meaning->unit = SR_UNIT_PERCENTAGE;
497 /* Measurement related flags */
499 analog->meaning->mqflags |= SR_MQFLAG_AC;
501 analog->meaning->mqflags |= SR_MQFLAG_DC;
503 analog->meaning->mqflags |= SR_MQFLAG_AUTORANGE;
505 analog->meaning->mqflags |= SR_MQFLAG_DIODE | SR_MQFLAG_DC;
508 * Note: HOLD only affects the number displayed on the LCD,
509 * but not the value sent via the protocol! It also does not
510 * affect the bargraph on the LCD.
512 analog->meaning->mqflags |= SR_MQFLAG_HOLD;
514 analog->meaning->mqflags |= SR_MQFLAG_MAX;
516 analog->meaning->mqflags |= SR_MQFLAG_MIN;
518 analog->meaning->mqflags |= SR_MQFLAG_RELATIVE;
522 sr_spew("Judge bit is set.");
524 sr_spew("Battery is low.");
526 sr_spew("Input overflow.");
528 sr_spew("Input underflow.");
530 sr_spew("pMAX active, LCD shows max. peak value.");
532 sr_spew("pMIN active, LCD shows min. peak value.");
534 sr_spew("VAHZ active.");
536 sr_spew("Auto-Power-Off enabled.");
538 sr_spew("VBAR active.");
539 if ((!info->selectable_lpf && info->is_lpf1) ||
540 (info->selectable_lpf && (!info->is_lpf0 || !info->is_lpf1)))
541 sr_spew("Low-pass filter feature is active.");
544 static gboolean flags_valid(const struct es519xx_info *info)
548 /* Does the packet have more than one multiplier? */
549 count = (info->is_micro) ? 1 : 0;
550 count += (info->is_milli) ? 1 : 0;
552 sr_dbg("More than one multiplier detected in packet.");
556 /* Does the packet "measure" more than one type of value? */
557 count = (info->is_voltage) ? 1 : 0;
558 count += (info->is_current) ? 1 : 0;
559 count += (info->is_resistance) ? 1 : 0;
560 count += (info->is_frequency) ? 1 : 0;
561 count += (info->is_capacitance) ? 1 : 0;
562 count += (info->is_temperature) ? 1 : 0;
563 count += (info->is_continuity) ? 1 : 0;
564 count += (info->is_diode) ? 1 : 0;
565 count += (info->is_rpm) ? 1 : 0;
567 sr_dbg("More than one measurement type detected in packet.");
571 /* Both AC and DC set? */
572 if (info->is_ac && info->is_dc) {
573 sr_dbg("Both AC and DC flags detected in packet.");
580 static gboolean sr_es519xx_packet_valid(const uint8_t *buf,
581 struct es519xx_info *info)
585 s = info->packet_size;
587 if (s == 11 && memcmp(buf, buf + s, s))
590 if (buf[s - 2] != '\r' || buf[s - 1] != '\n')
593 parse_flags(buf, info);
595 if (!flags_valid(info))
601 static int sr_es519xx_parse(const uint8_t *buf, float *floatval,
602 struct sr_datafeed_analog *analog,
603 struct es519xx_info *info)
607 if (!sr_es519xx_packet_valid(buf, info))
610 if ((ret = parse_value(buf, info, floatval)) != SR_OK) {
611 sr_dbg("Error parsing value: %d.", ret);
615 if ((ret = parse_range(buf[0], floatval, info)) != SR_OK)
618 analog->encoding->digits = info->digits;
619 analog->spec->spec_digits = info->digits;
621 handle_flags(analog, floatval, info);
626 * Functions for 2400 baud / 11 bytes protocols.
627 * This includes ES51962, ES51971, ES51972, ES51978 and ES51989.
629 SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf)
631 struct es519xx_info info;
633 memset(&info, 0, sizeof(struct es519xx_info));
634 info.baudrate = 2400;
635 info.packet_size = 11;
637 return sr_es519xx_packet_valid(buf, &info);
640 SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval,
641 struct sr_datafeed_analog *analog, void *info)
643 struct es519xx_info *info_local;
646 memset(info_local, 0, sizeof(struct es519xx_info));
647 info_local->baudrate = 2400;
648 info_local->packet_size = 11;
650 return sr_es519xx_parse(buf, floatval, analog, info);
654 * Functions for 2400 baud / 11 byte protocols.
655 * This includes ES51960, ES51977 and ES51988.
657 SR_PRIV gboolean sr_es519xx_2400_11b_altfn_packet_valid(const uint8_t *buf)
659 struct es519xx_info info;
661 memset(&info, 0, sizeof(struct es519xx_info));
662 info.baudrate = 2400;
663 info.packet_size = 11;
664 info.alt_functions = TRUE;
666 return sr_es519xx_packet_valid(buf, &info);
669 SR_PRIV int sr_es519xx_2400_11b_altfn_parse(const uint8_t *buf,
670 float *floatval, struct sr_datafeed_analog *analog, void *info)
672 struct es519xx_info *info_local;
675 memset(info_local, 0, sizeof(struct es519xx_info));
676 info_local->baudrate = 2400;
677 info_local->packet_size = 11;
678 info_local->alt_functions = TRUE;
680 return sr_es519xx_parse(buf, floatval, analog, info);
684 * Functions for 19200 baud / 11 bytes protocols with 5 digits display.
685 * This includes ES51911, ES51916 and ES51918.
687 SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf)
689 struct es519xx_info info;
691 memset(&info, 0, sizeof(struct es519xx_info));
692 info.baudrate = 19200;
693 info.packet_size = 11;
694 info.fivedigits = TRUE;
696 return sr_es519xx_packet_valid(buf, &info);
699 SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf,
700 float *floatval, struct sr_datafeed_analog *analog, void *info)
702 struct es519xx_info *info_local;
705 memset(info_local, 0, sizeof(struct es519xx_info));
706 info_local->baudrate = 19200;
707 info_local->packet_size = 11;
708 info_local->fivedigits = TRUE;
710 return sr_es519xx_parse(buf, floatval, analog, info);
714 * Functions for 19200 baud / 11 bytes protocols with clamp meter support.
715 * This includes ES51967 and ES51969.
717 SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf)
719 struct es519xx_info info;
721 memset(&info, 0, sizeof(struct es519xx_info));
722 info.baudrate = 19200;
723 info.packet_size = 11;
724 info.clampmeter = TRUE;
726 return sr_es519xx_packet_valid(buf, &info);
729 SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf,
730 float *floatval, struct sr_datafeed_analog *analog, void *info)
732 struct es519xx_info *info_local;
735 memset(info_local, 0, sizeof(struct es519xx_info));
736 info_local->baudrate = 19200;
737 info_local->packet_size = 11;
738 info_local->clampmeter = TRUE;
740 return sr_es519xx_parse(buf, floatval, analog, info);
744 * Functions for 19200 baud / 11 bytes protocols.
745 * This includes ES51981, ES51982, ES51983, ES51984 and ES51986.
747 SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf)
749 struct es519xx_info info;
751 memset(&info, 0, sizeof(struct es519xx_info));
752 info.baudrate = 19200;
753 info.packet_size = 11;
755 return sr_es519xx_packet_valid(buf, &info);
758 SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval,
759 struct sr_datafeed_analog *analog, void *info)
761 struct es519xx_info *info_local;
764 memset(info_local, 0, sizeof(struct es519xx_info));
765 info_local->baudrate = 19200;
766 info_local->packet_size = 11;
768 return sr_es519xx_parse(buf, floatval, analog, info);
772 * Functions for 19200 baud / 14 bytes protocols.
773 * This includes ES51921 and ES51922.
775 SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf)
777 struct es519xx_info info;
779 memset(&info, 0, sizeof(struct es519xx_info));
780 info.baudrate = 19200;
781 info.packet_size = 14;
783 return sr_es519xx_packet_valid(buf, &info);
786 SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval,
787 struct sr_datafeed_analog *analog, void *info)
789 struct es519xx_info *info_local;
792 memset(info_local, 0, sizeof(struct es519xx_info));
793 info_local->baudrate = 19200;
794 info_local->packet_size = 14;
796 return sr_es519xx_parse(buf, floatval, analog, info);
800 * Functions for 19200 baud / 14 bytes protocols with selectable LPF.
801 * This includes ES51931 and ES51932.
803 SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf)
805 struct es519xx_info info;
807 memset(&info, 0, sizeof(struct es519xx_info));
808 info.baudrate = 19200;
809 info.packet_size = 14;
810 info.selectable_lpf = TRUE;
812 return sr_es519xx_packet_valid(buf, &info);
815 SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf,
816 float *floatval, struct sr_datafeed_analog *analog, void *info)
818 struct es519xx_info *info_local;
821 memset(info_local, 0, sizeof(struct es519xx_info));
822 info_local->baudrate = 19200;
823 info_local->packet_size = 14;
824 info_local->selectable_lpf = TRUE;
826 return sr_es519xx_parse(buf, floatval, analog, info);