VS1053g.h

#ifndef VS1053G_H
#define VS1053G_H

#include <sys/stat.h>
#include <VS1053.h>
#include "tft.h"  // include definitions for TFT_eSPI lib and screenPage
// stations

typedef struct {
char *name;
int  protocol;
char *host;
char *path;
int   port;
int   status;
unsigned int   position;
}Station;

#define STATIONSSIZE 100
extern Station *stations; 
extern volatile int   currentStation;
extern TFT_eSPI tft;
extern screenPage currDisplayScreen;
extern bool MuteActive;

class VS1053g: public VS1053{
private:

  void *(*g_calloc)(size_t num, size_t size);
  void *(*g_malloc)( size_t size);
 
  size_t skiplast=0;

  int VS1053_file_size( const char *filename);
  void write_VS1053_registers( unsigned short *pluginr, size_t valuecount);
  int read_VS1053_bin( const char *bin_filename);
  int read_VS1053_plg( const char *filename );
  int write_VS1053_binfile( unsigned short *pluginv, size_t valuecount, const char *bin_filename );
  
  uint16_t    spectrum_barcolor   = TFT_GOLD;   
  uint16_t    spectrum_peakcolor  = TFT_WHITE;

public:
   VS1053g( uint8_t _cs_pin, uint8_t _dcs_pin, uint8_t _dreq_pin);

   
// allows for unedited raw .plg files to be uploaded to SPIFFS
// and to be read and patch VS1053. After the .plg file has been 
// read, a .plg.bin is written and the plg file is deleted.
// if a new .plg file isplaced on SPIFFS this new plg file is used 
// to patch VS1053.

  void patch_VS1053( const char *filename, size_t skip_last_bytes = 0);
  uint16_t getTone();
  void     setTone ( uint16_t value );

  uint16_t getSpatial();
  void     setSpatial( uint8_t spatial);
  uint16_t currspatial = -1; 

  void     toMp3(); // include a wait for dreq to go high. 
                         // possible solution for occasional hangs in MP3reset

// after loading the spectrum analyzer plugin these functions display
// a spectrum analyzer.
// from https://github.com/blotfi/ESP32-Radio-with-Spectrum-analyzer

  uint8_t     bands = 14; // Number of bands Spectrum Analyzer
  uint8_t     prevbands = 0; // Number previous band Spectrum Analyzer
  uint8_t     spectrum[14][3]; // Array per Spectrum Analyzer
                               // [0] current height [1] previous height [2] peak value
  uint16_t     spectrum_width  = 0;
  uint16_t     spectrum_top    = 50; //120; //Spectrum graph top offset
  uint16_t     spectrum_height = 70; //высота графика = Spectrum graph height
  TFT_eSprite spectrum_sprite = TFT_eSprite(&tft);    

  bool        stop_song();
  void getBands();
  void displaySpectrum();
  uint16_t setSpectrumBarColor( uint16_t newbarcolor);
  uint16_t setSpectrumPeakColor( uint16_t newpeakcolor);

  
};


#endif