SegDriver_3Wire.h

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#ifndef SEGDRIVER_3WIRE_H
#define SEGDRIVER_3WIRE_H
 
#include <SegLCDLib.h>
#include <SegTransport.h>
 
class SegDriver_3Wire : public SegLCDLib {
    // Define operation codes
    #define OP_CMD       0b100
    #define OP_READ      0b110
    #define OP_WRITE     0b101
    #define OP_RD_MOD_WR 0b101
 
    // System control commands
    #define CMD_SYS_DIS  0b00000000  
    #define CMD_SYS_EN   0b00000001  
    #define CMD_LCD_OFF  0b00000010  
    #define CMD_LCD_ON   0b00000011  
    #define CMD_TMR_DIS  0b00000100  
    #define CMD_WDT_DIS  0b00000101  
    #define CMD_TMR_EN   0b00000110  
    #define CMD_WDT_EN   0b00000111  
    #define CMD_CLR_TMR  0b00001100  
    #define CMD_CLR_WDT  0b00001110  
 
    // IRQ control commands
    #define CMD_IRQ_DIS  0b10000000  
    #define CMD_IRQ_EN   0b10001000  
 
    // Time base and WDT frequency commands
    #define CMD_F1       0b10100000  
    #define CMD_F2       0b10100001  
    #define CMD_F4       0b10100010  
    #define CMD_F8       0b10100011  
    #define CMD_F16      0b10100100  
    #define CMD_F32      0b10100101  
    #define CMD_F64      0b10100110  
    #define CMD_F128     0b10100111  
 
    // Test/Normal operation commands
    #define CMD_TEST     0b11100000  
    #define CMD_NORMAL   0b11100011  
 
    public:
        SegDriver_3Wire(SegTransport3Wire& transport, uint8_t chipselect);
 
        void init() override;
 
        void on() override;
 
        void off() override;
 
        void command(uint8_t command) override;
 
    protected:
        SegTransport3Wire& _transport;
        uint8_t _cs;   
 
        using SegLCDLib::_writeRam;
        virtual void _writeRam(uint8_t *data, size_t length, uint8_t address);
};
 
#endif