Morse.h

#if !defined(_RADIOLIB_MORSE_H) && !RADIOLIB_EXCLUDE_MORSE
#define _RADIOLIB_MORSE_H
 
#include "../../TypeDef.h"
#include "../PhysicalLayer/PhysicalLayer.h"
#include "../AFSK/AFSK.h"
#include "../Print/Print.h"
 
#define RADIOLIB_MORSE_DOT                                      0b0
#define RADIOLIB_MORSE_DASH                                     0b1
#define RADIOLIB_MORSE_GUARDBIT                                 0b1
#define RADIOLIB_MORSE_UNSUPPORTED                              0xFF
#define RADIOLIB_MORSE_ASCII_OFFSET                             32
#define RADIOLIB_MORSE_INTER_SYMBOL                             0x00
#define RADIOLIB_MORSE_CHAR_COMPLETE                            0x01
#define RADIOLIB_MORSE_WORD_COMPLETE                            0x02
#define RADIOLIB_MORSE_UNKNOWN_SYMBOL                           '*'
 
class MorseClient: public RadioLibPrint {
  public:
    explicit MorseClient(PhysicalLayer* phy);
 
    #if !RADIOLIB_EXCLUDE_AFSK
    explicit MorseClient(AFSKClient* audio);
    #endif
 
    // basic methods
 
    int16_t begin(float base, uint8_t speed = 20);
 
    size_t startSignal();
 
    static char decode(uint8_t symbol, uint8_t len);
 
    #if !RADIOLIB_EXCLUDE_AFSK
    int read(uint8_t* symbol, uint8_t* len, float low = 0.75f, float high = 1.25f);
    #endif
 
    size_t write(uint8_t b) override;
 
#if !RADIOLIB_GODMODE
  private:
#endif
    PhysicalLayer* phyLayer;
    #if !RADIOLIB_EXCLUDE_AFSK
    AFSKClient* audioClient;
    #endif
 
    uint32_t baseFreq = 0, baseFreqHz = 0;
    float basePeriod = 0.0f;
    uint32_t dotLength = 0;
    uint32_t dashLength = 0;
    uint32_t letterSpace = 0;
    uint16_t wordSpace = 0;
 
    // variables to keep decoding state
    uint32_t signalCounter = 0;
    RadioLibTime_t signalStart = 0;
    uint32_t pauseCounter = 0;
    RadioLibTime_t pauseStart = 0;
 
    int16_t transmitDirect(uint32_t freq = 0, uint32_t freqHz = 0);
    int16_t standby();
};
 
#endif