unleashed-firmware/applications/lfrfid/helpers/osc_fsk.h
hedger 4d6b170769
[FL-2520] FW build with -Wextra (#1185)
* Fixing compiler warnings with -Wextra
* More warnings suppression, WIP
* Even more warning fixes
* Added new lines at end of text files.
* Padding fix
* Additional fixes to warnings on different build configurations; added -Wextra to default build pipeline
* Fixes for Secplus v1
* -additional warnings
* +-Wredundant-decls fixes
* FuriHal: print stack overflow task name in console
* FuriHal: add missing include

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2022-05-06 16:37:10 +03:00

30 lines
744 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;
};