SegDriver_HT1621.h

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#ifndef SEGDRIVER_HT1621_H
#define SEGDRIVER_HT1621_H
 
#include "SegDriver_3Wire.h"
 
class SegDriver_HT1621 : public SegDriver_3Wire {
    #define MAX_HW_ADDRESS  30
    #define MAX_ADDRESS     30
 
    // HT1621 specific commands
    #define CMD_TONE_OFF 0b00001000  
    #define CMD_TONE_ON  0b00001001  
    #define CMD_XTAL_32K 0b00010100  
    #define CMD_RC_256K  0b00011000  
    #define CMD_EXT_256K 0b00011100  
 
    #define CMD_BIAS_12  0b00100000  
    #define CMD_BIAS_13  0b00100001  
 
    #define CMD_TONE_4K  0b01000000  
    #define CMD_TONE_2K  0b01100000  
 
    #define DRIVE_MODE_12_MASK 0b00000000 
    #define DRIVE_MODE_13_MASK 0b00000100 
    #define DRIVE_MODE_14_MASK 0b00001000 
 
    public:
        SegDriver_HT1621(uint8_t chipselect, uint8_t data, uint8_t write, uint8_t read = -1);
 
        void clear() override;
 
        void flush(uint8_t startAddr, uint8_t length) override;
        using SegLCDLib::flush;  // Inherit base flush() without parameters
 
    protected:
        void _setMode(ModeDrive drive = MODE_DRIVE_14 , ModeBias bias = MODE_BIAS_13);
 
    private:
        ModeDrive _drive; 
 
};
 
#endif