ERM19264_UC1609.h

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#ifndef ERM19264_UC1609_H
#define ERM19264_UC1609_H
 
#if (ARDUINO >=100)
  #include "Arduino.h"
#else
  #include "WProgram.h"
#endif
 
#include "ERM19264_graphics.h"
#include <SPI.h>
 
#define FOREGROUND  0  
#define BACKGROUND 1    
#define COLORINVERSE 2 
// UC1909 Write registers
#define UC1609_SYSTEM_RESET 0xE2 
#define UC1609_POWER_CONTROL 0x28 
#define UC1609_PC_SET 0x06 
#define UC1609_ADDRESS_CONTROL 0x88 
#define UC1609_ADDRESS_SET 0x02 
#define UC1609_SET_PAGEADD 0xB0 
#define UC1609_SET_COLADD_LSB 0x00 
#define UC1609_SET_COLADD_MSB 0x10 
#define UC1609_TEMP_COMP_REG 0x27 
#define UC1609_TEMP_COMP_SET 0x00 
#define UC1609_FRAMERATE_REG 0xA0 
#define UC1609_FRAMERATE_SET 0x01  
#define UC1609_BIAS_RATIO 0xE8 
#define UC1609_BIAS_RATIO_SET 0x03 
#define UC1609_GN_PM 0x81 
#define UC1609_DEFAULT_GN_PM 0x49 
#define UC1609_LCD_CONTROL 0xC0 
#define UC1609_DISPLAY_ON 0xAE 
#define UC1609_ALL_PIXEL_ON 0xA4 
#define UC1609_INVERSE_DISPLAY 0xA6 
#define UC1609_SCROLL 0x40 
// Rotate
#define UC1609_ROTATION_FLIP_TWO 0x06
#define UC1609_ROTATION_NORMAL 0x04  
#define UC1609_ROTATION_FLIP_ONE 0x02  
#define UC1609_ROTATION_FLIP_THREE 0x00 
// Delays
#define UC1609_RESET_DELAY 3 
#define UC1609_RESET_DELAY2   0 
#define UC1609_INIT_DELAY 100   
#define UC1609_INIT_DELAY2 3 
#define UC1609_HIGHFREQ_DELAY 0 
// GPIO abstraction 
#define UC1609_CS_SetHigh digitalWrite(_LCD_CS, HIGH)
#define UC1609_CS_SetLow digitalWrite(_LCD_CS, LOW)
#define UC1609_CD_SetHigh digitalWrite(_LCD_CD, HIGH)
#define UC1609_CD_SetLow digitalWrite(_LCD_CD, LOW)
#define UC1609_RST_SetHigh digitalWrite(_LCD_RST, HIGH)
#define UC1609_RST_SetLow digitalWrite(_LCD_RST, LOW)
#define UC1609_SCLK_SetHigh digitalWrite(_LCD_SCLK, HIGH)
#define  UC1609_SCLK_SetLow digitalWrite(_LCD_SCLK, LOW)
#define  UC1609_SDA_SetHigh digitalWrite(_LCD_DIN, HIGH)
#define  UC1609_SDA_SetLow digitalWrite(_LCD_DIN, LOW)
 
// SPI HW setup
#define UC_SPI_FREQ 8000000 
#define UC_SPI_DIRECTION  MSBFIRST 
#define UC_SPI_UC1609_MODE SPI_MODE0 
#define UC_SPI_CLOCK_DIV SPI_CLOCK_DIV8 
//There is a pre-defined macro SPI_HAS_TRANSACTION in SPI library for checking 
 //whether the firmware of the Arduino board supports SPI.beginTransaction().
#ifdef SPI_HAS_TRANSACTION
    #define UC_SPI_TRANSACTION_START SPI.beginTransaction(SPISettings(UC_SPI_FREQ, UC_SPI_DIRECTION, UC_SPI_UC1609_MODE)); 
    #define UC_SPI_TRANSACTION_END SPI.endTransaction();                
#else // SPI transactions likewise not present in MCU or lib
    #define UC_SPI_TRANSACTION_START SPI.setClockDivider(UC_SPI_CLOCK_DIV); // 72/8 = 9Mhz
    #define UC_SPI_TRANSACTION_END  // Blank
#endif
 
class  ERM19264_UC1609_Screen
{
    public :
        ERM19264_UC1609_Screen(uint8_t* mybuffer, uint8_t w,  uint8_t h, int16_t  x, int16_t y) ;
        ~ERM19264_UC1609_Screen(){};
        
        uint8_t* screenBuffer; 
        uint8_t width;   
        uint8_t height; 
        int16_t xoffset; 
        int16_t yoffset; 
    private:
};
 
class ERM19264_UC1609 : public ERM19264_graphics {
  public:
    ERM19264_UC1609(int16_t lcdwidth , int16_t lcdheight, int8_t cd, int8_t rst, int8_t cs, int8_t sclk, int8_t din);
    ERM19264_UC1609(int16_t lcdwidth , int16_t lcdheight, int8_t cd, int8_t rst, int8_t cs);
 
    ~ERM19264_UC1609(){};
 
    virtual void drawPixel(int16_t x, int16_t y, uint8_t colour) override;
     void LCDupdate(void);
     void LCDclearBuffer(void);
     void LCDBuffer(int16_t x, int16_t y, uint8_t w, uint8_t h, uint8_t* data);
 
    void LCDbegin(uint8_t VbiasPot = UC1609_DEFAULT_GN_PM , uint8_t AddressSet =UC1609_ADDRESS_SET);
    void LCDinit(void);
    void LCDEnable(uint8_t on);
    void LCDFillScreen(uint8_t pixel, uint8_t mircodelay);
    void LCDFillPage(uint8_t pixels);
    void  LCDGotoXY(uint8_t column , uint8_t page);
    void LCDrotate(uint8_t rotatevalue);
    void LCDInvertDisplay(uint8_t on);
    void LCDallpixelsOn(uint8_t bits);
    void LCDscroll(uint8_t bits);
    void LCDReset(void);
    LCD_Return_Codes_e LCDBitmap(int16_t x, int16_t y, uint8_t w, uint8_t h, const uint8_t* data);
    void LCDPowerDown(void);
    
    uint16_t LCDLibVerNumGet(void);
    uint16_t LCDHighFreqDelayGet(void);
    void LCDHighFreqDelaySet(uint16_t);
    uint8_t LCDGetConstrast(void);
    uint8_t LCDGetAddressCtrl(void);
    ERM19264_UC1609_Screen* ActiveBuffer = nullptr; 
  private:
 
    void send_data(uint8_t data); 
    void send_command(uint8_t command, uint8_t value);
    bool isHardwareSPI(void);
    void CustomshiftOut(uint8_t bitOrder, uint8_t val);
 
    int8_t _LCD_CS;    
    int8_t _LCD_CD;   
    int8_t _LCD_RST;  
    int8_t _LCD_SCLK; 
    int8_t _LCD_DIN;  
    uint8_t _VbiasPOT= 0x49; 
    uint8_t _AddressCtrl= 0x02; 
    uint16_t _HighFreqDelay = UC1609_HIGHFREQ_DELAY; 
     const uint16_t _LibVersionNum = 180; 
     uint8_t _widthScreen = 192; 
     uint8_t _heightScreen = 64;  
};
 
#endif