math.h 799 B

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  1. #pragma once
  2. #include <stdbool.h>
  3. #include <stdint.h>
  4. #include <stddef.h>
  5. #define bit_read(value, bit) (((value) >> (bit)) & 0x01)
  6. #define bit_set(value, bit) ((value) |= (1UL << (bit)))
  7. #define bit_clear(value, bit) ((value) &= ~(1UL << (bit)))
  8. #define bit_write(value, bit, bitvalue) (bitvalue ? bit_set(value, bit) : bit_clear(value, bit))
  9. #define DURATION_DIFF(x, y) ((x < y) ? (y - x) : (x - y))
  10. /**
  11. * Flip the data bitwise.
  12. * @param key In data
  13. * @param count_bit number of data bits
  14. * @return Reverse data
  15. */
  16. uint64_t subghz_protocol_blocks_reverse_key(uint64_t key, uint8_t count_bit);
  17. /**
  18. * Get parity the data bitwise.
  19. * @param key In data
  20. * @param count_bit number of data bits
  21. * @return parity
  22. */
  23. uint8_t subghz_protocol_blocks_get_parity(uint64_t key, uint8_t count_bit);