flipperzero-firmware/applications/lf-rfid/helpers/encoder-indala.cpp
SG 46bc515c6a
Low frequency RFID app [Read stage] (#385)
* App Lfrfid: init
* HAL-resources: add external gpios
* HAL-pwm: fix frequency calculation
* App LFRFID: generic manchester decoder
* App LFRFID: em-marine decoder
* App iButton: fix dwt timing acquire
* App LFRFID: rfid reader
* App LFRFID: temporary read keys on read scene
* App LFRFID: remove atomic bool init.
* App LFRFID: add *.c to build
* App LFRFID: unstable HID decoder
* App LFRFID: HID-26 reading
* HAL OS: disable sleep
* App LFRFID: HID-26 reader: remove debug
* App LFRFID: static data decoder-analyzer
* App LFRFID: very raw Indala decoder
* App LFRFID: multiprotocol reader
* App LFRFID: more reliable HID decoder
* App LFRFID: syntax fix
* App LFRFID: simple read scene
* Gui: force redraw on screen stream connect
* HAL-OS: allow sleep
* App LFRFID: notify api, tune view, tune scene
* App LFRFID: simple rfid emulator
* App LFRFID: more scenes, more reliable EM decoder.
* App LFRFID: format fix
* App LFRFID: warning fix
* Api-hal-resources: add rfid pins, rename external pins
* App LFRFID: remove unused emulator
* App LFRFID: use new gpio hal api
* App accessor: use new ext gpio name
* App LFRFID: remove unused emulator
* App LFRFID: remove debug gpio
* Api-hal-resources: alternate functions init
* Api-hal-rfid: new api
* Api-hal-ibutton: new api
* Api-hal: new headers
* App LFRFID: use new api in reader subroutines
* App LFRFID: use new api in emulator subroutines
* App LFRFID: remove old app
* App LFRFID, App iButton: fix memleak
* Api-hal-rfid: comments
* App LFRFID: pulse joiner helper, it combines pulses of different polarity into one pulse suitable for a timer
* App LFRFID: pulse joiner, now can accept only ne pulse
* App LFRFID: pulse joiner, fixes
* App LFRFID: EM encoder and emulation
* App LFRFID: format fixes
* App LFRFID: emmarine encoder cleanup
* App LFRFID: HID Encoder blank
* App LFRFID: Indala Encoder blank
2021-05-04 16:21:16 +03:00

28 lines
735 B
C++

#include "encoder-indala.h"
#include <furi.h>
void EncoderIndala::init(const uint8_t* data, const uint8_t data_size) {
card_data = 0b1010000000000000000000000000000010011101111110011001001001010010;
last_polarity = card_data & 1;
card_data_index = 0;
}
void EncoderIndala::get_next(bool* polarity, uint16_t* period, uint16_t* pulse) {
bool new_bit = (card_data >> (63 - card_data_index)) & 1;
*period = 2;
*pulse = 1;
*polarity = (new_bit != last_polarity);
bit_clock_index++;
if(bit_clock_index >= clock_per_bit) {
bit_clock_index = 0;
last_polarity = *polarity;
card_data_index++;
if(card_data_index >= 64) {
card_data_index = 0;
}
}
}