#pragma once #include #include #include #define bit_read(value, bit) (((value) >> (bit)) & 0x01) #define bit_set(value, bit) ((value) |= (1UL << (bit))) #define bit_clear(value, bit) ((value) &= ~(1UL << (bit))) #define bit_write(value, bit, bitvalue) (bitvalue ? bit_set(value, bit) : bit_clear(value, bit)) #define DURATION_DIFF(x, y) ((x < y) ? (y - x) : (x - y)) #define abs(x) ((x) > 0 ? (x) : -(x)) #ifdef __cplusplus extern "C" { #endif /** * Flip the data bitwise. * @param key In data * @param count_bit number of data bits * @return Reverse data */ uint64_t subghz_protocol_blocks_reverse_key(uint64_t key, uint8_t count_bit); /** * Get parity the data bitwise. * @param key In data * @param count_bit number of data bits * @return parity */ uint8_t subghz_protocol_blocks_get_parity(uint64_t key, uint8_t count_bit); /** * CRC-4. * @param message array of bytes to check * @param nBytes number of bytes in message * @param polynomial CRC polynomial * @param init starting crc value * @return CRC value */ uint8_t subghz_protocol_blocks_crc4( uint8_t const message[], unsigned nBytes, uint8_t polynomial, uint8_t init); /** * CRC-7. * @param message array of bytes to check * @param nBytes number of bytes in message * @param polynomial CRC polynomial * @param init starting crc value * @return CRC value */ uint8_t subghz_protocol_blocks_crc7( uint8_t const message[], unsigned nBytes, uint8_t polynomial, uint8_t init); /** * Generic Cyclic Redundancy Check CRC-8. * Example polynomial: 0x31 = x8 + x5 + x4 + 1 (x8 is implicit) * Example polynomial: 0x80 = x8 + x7 (a normal bit-by-bit parity XOR) * @param message array of bytes to check * @param nBytes number of bytes in message * @param polynomial byte is from x^7 to x^0 (x^8 is implicitly one) * @param init starting crc value * @return CRC value */ uint8_t subghz_protocol_blocks_crc8( uint8_t const message[], unsigned nBytes, uint8_t polynomial, uint8_t init); #ifdef __cplusplus } #endif