RF433any/examples/03_output-signal-timings/03_output-signal-timings.ino

127 lines
3.7 KiB
C++

// 03_output-signal-timings.ino
// Example sketch that comes along with RF433any library
// Displays all signals details (incl. non-coding sequences) along with their
// timings
/*
Copyright 2021 Sébastien Millet
`RF433any' is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
`RF433any' is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program. If not, see
<https://www.gnu.org/licenses>.
*/
//
// Schematic: Radio Frequencies RECEIVER plugged on D2
//
#include "RF433any.h"
#include <Arduino.h>
#define PIN_RFINPUT 2
char serial_printf_buffer[150];
void serial_printf(const char* msg, ...)
__attribute__((format(printf, 1, 2)));
// NOTE
// Assume Serial has been initialized (Serial.begin(...))
void serial_printf(const char* msg, ...) {
va_list args;
va_start(args, msg);
vsnprintf(serial_printf_buffer, sizeof(serial_printf_buffer), msg, args);
va_end(args);
Serial.print(serial_printf_buffer);
}
const char welcome[] PROGMEM =
"Waiting for signal\n"
" Durations are in microseconds\n"
" Data is output in hexdecimal\n"
" When high durations are equal to low, they are output as zero\n"
" Codes: (I)nconsistent, (S)ync, (U)nknown, (T)ribit, "
"tribit i(N)verted, (M)anchester\n"
" I: Initseq = 'high' radio signal sent once\n"
" LS: Low Short duration\n"
" LL: Low Long duration\n"
" HS: High Short duration\n"
" HL: High Long duration\n"
" S: Separator (typically separating repeats)\n"
" U: Low signal prefix (zero most frequently)\n"
" V: High signal prefix (zero most frequently)\n"
" Y: First low non-coding signal "
"(non-zero only if encoding is tribit inverted)\n"
" Z: Last low signal\n";
void setup() {
pinMode(PIN_RFINPUT, INPUT);
Serial.begin(115200);
char *buf = (char *)malloc(sizeof(welcome));
strcpy_P(buf, welcome);
Serial.print(buf);
free(buf);
}
Track track(PIN_RFINPUT, RAIL_MOOD_STRICT);
void output_timings(Decoder *pdec) {
TimingsExt tsext;
if (!pdec)
return;
pdec->get_tsext(&tsext);
serial_printf(" I=%u, LS=%u, LL=%u, HS=%u, HL=%u, S=%u, U=%u, "
"V=%u, Y=%u, Z=%u\n", tsext.initseq, tsext.low_short,
tsext.low_long, tsext.high_short, tsext.high_long, tsext.sep,
tsext.first_low, tsext.first_high, tsext.first_low_ignored,
tsext.last_low);
}
void loop() {
track.treset();
while (!track.do_events())
delay(1);
Decoder *pdec0 = track.get_data(RF433ANY_FD_ALL);
Decoder *pdec = pdec0;
while (pdec) {
int nb_bits = pdec->get_nb_bits();
bool got_data = pdec->data_got_decoded();
BitVector *pdata = pdec->take_away_data();
serial_printf("Decoded: %s, err: %d, code: %c, "
"rep: %d, bits: %2d", (got_data ? "yes" : "no "),
pdec->get_nb_errors(), pdec->get_id_letter(),
pdec->get_repeats() + 1, nb_bits);
if (pdata) {
Serial.print(", data: ");
char *buf = pdata->to_str();
if (buf) {
Serial.print(buf);
free(buf);
}
delete pdata;
}
Serial.print("\n");
output_timings(pdec);
pdec = pdec->get_next();
}
delete pdec0;
}
// vim: ts=4:sw=4:tw=80:et