unleashed-firmware/applications/lfrfid/helpers/encoder-hid-h10301.cpp
SG 22e1ecb642
New LF-RFID app (#534)
* Hal lfrfid: add read timer pulse and period config fns
* New debug application for lfrfid subsystem
* New lfrfid: app, fix naming
* App lfrfid: assets
* Container view module
* App ibutton: remove unused header
* App lfrfid scenes
* App notification, add yield to blocking operations, add speaker volume control
* App lfrfid: reading key scene
* Assets: placeholder icon
* App lfrfid: reworked container view module
* App lfrfid: new scenes
* App lfrfid: write scene
* App lfrfid: write hid
* App lfrfid: emulate scene
* App lfrfid: save name scene
* App lfrfid: add missing file
2021-06-28 17:42:30 +03:00

63 lines
1.7 KiB
C++

#include "encoder-hid-h10301.h"
#include "protocols/protocol-hid-h10301.h"
#include <furi.h>
void EncoderHID_H10301::init(const uint8_t* data, const uint8_t data_size) {
ProtocolHID10301 hid;
hid.encode(data, data_size, reinterpret_cast<uint8_t*>(&card_data), sizeof(card_data) * 3);
card_data_index = 0;
bit_index = 0;
}
void EncoderHID_H10301::write_bit(bool bit, uint8_t position) {
write_raw_bit(bit, position + 0);
write_raw_bit(!bit, position + 1);
}
void EncoderHID_H10301::write_raw_bit(bool bit, uint8_t position) {
if(bit) {
card_data[position / 32] |= 1UL << (31 - (position % 32));
} else {
card_data[position / 32] &= ~(1UL << (31 - (position % 32)));
}
}
void EncoderHID_H10301::get_next(bool* polarity, uint16_t* period, uint16_t* pulse) {
// hid 0 is 6 cycles by 8 clocks
const uint8_t hid_0_period = 8;
const uint8_t hid_0_count = 6;
// hid 1 is 5 cycles by 10 clocks
const uint8_t hid_1_period = 10;
const uint8_t hid_1_count = 5;
bool bit = (card_data[card_data_index / 32] >> (31 - (card_data_index % 32))) & 1;
*polarity = true;
if(bit) {
*period = hid_1_period;
*pulse = hid_1_period / 2;
bit_index++;
if(bit_index >= hid_1_count) {
bit_index = 0;
card_data_index++;
if(card_data_index >= (32 * card_data_max)) {
card_data_index = 0;
}
}
} else {
*period = hid_0_period;
*pulse = hid_0_period / 2;
bit_index++;
if(bit_index >= hid_0_count) {
bit_index = 0;
card_data_index++;
if(card_data_index >= (32 * card_data_max)) {
card_data_index = 0;
}
}
}
}