src/lib/FHSS/random.h

   1 #pragma once
   2
   3 #include <stdint.h>
   4
   5 // the max value returned by rng
   6 #define RNG_MAX 0x7FFF
   7
   8 uint16_t rng(void);
   9
  10 void rngSeed(uint32_t newSeed);
  11 // 0..255 returned
  12 uint8_t rng8Bit(void);
  13 // 0..31 returned
  14 uint8_t rng5Bit(void);
  15
  16 // returns 0 <= x < upper where n < 256
  17 uint8_t rngN(uint8_t upper);