mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-26 20:53:07 +00:00
30 lines
743 B
C
30 lines
743 B
C
|
#pragma once
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This code tries to fit the periods into a given number of cycles (phases) by taking cycles from the next cycle of periods.
|
||
|
|
*/
|
||
|
|
class OscFSK {
|
||
|
|
public:
|
||
|
|
/**
|
||
|
|
* Get next period
|
||
|
|
* @param bit bit value
|
||
|
|
* @param period return period
|
||
|
|
* @return bool whether to advance to the next bit
|
||
|
|
*/
|
||
|
|
bool next(bool bit, uint16_t* period);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* FSK ocillator constructor
|
||
|
|
*
|
||
|
|
* @param freq_low bit 0 freq
|
||
|
|
* @param freq_hi bit 1 freq
|
||
|
|
* @param osc_phase_max max oscillator phase
|
||
|
|
*/
|
||
|
|
OscFSK(uint16_t freq_low, uint16_t freq_hi, uint16_t osc_phase_max);
|
||
|
|
|
||
|
|
private:
|
||
|
|
const uint16_t freq[2];
|
||
|
|
const uint16_t osc_phase_max;
|
||
|
|
int32_t osc_phase_current;
|
||
|
|
};
|