flipperzero-firmware/lib/subghz/blocks/decoder.c

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#include "decoder.h"
#define TAG "SubGhzBlockDecoder"
void subghz_protocol_blocks_add_bit(SubGhzBlockDecoder* decoder, uint8_t bit) {
decoder->decode_data = decoder->decode_data << 1 | bit;
decoder->decode_count_bit++;
}
void subghz_protocol_blocks_add_to_128_bit(
SubGhzBlockDecoder* decoder,
uint8_t bit,
uint64_t* head_64_bit) {
if(++decoder->decode_count_bit > 64) {
(*head_64_bit) = ((*head_64_bit) << 1) | (decoder->decode_data >> 63);
}
decoder->decode_data = decoder->decode_data << 1 | bit;
}
uint8_t subghz_protocol_blocks_get_hash_data(SubGhzBlockDecoder* decoder, size_t len) {
uint8_t hash = 0;
uint8_t* p = (uint8_t*)&decoder->decode_data;
for(size_t i = 0; i < len; i++) {
hash ^= p[i];
}
return hash;
}