Universal Serial:UART/IIC/I2C/SPI Adapter for 128x64 LCD DS12864LCD-UNA-V2(CN)

/*
* compiled code size is about 5K
*/
#define _Digole_Serial_UART_  //To tell compiler compile the special communication only,
//other available is: _Digole_Serial_I2C_ and _Digole_Serial_SPI_
#include <DigoleSerial.h>
//--------UART setup, if you don't use UART, use // to comment following line
DigoleSerialDisp mydisp(&Serial, 9600); //UART:Pin 1(TX)on arduino to RX on module
//--------I2C setup, if you don't use I2C, use // to comment following 2 lines
//#include <Wire.h>
//DigoleSerialDisp mydisp(&Wire,'\x27');  //I2C:SDA (data line) is on analog input pin 4, and SCL (clock line) is on analog input pin 5
//--------SPI setup, if you don't use SPI, use // to comment following line
//DigoleSerialDisp mydisp(8,9,10);  //SPI:Pin 8: data, 9:clock, 10: SS, you can assign 255 to SS, and hard ground SS pin on module

void setup() {
    mydisp.begin();
    mydisp.clearScreen();
    mydisp.setMode('!'); //set graphic Drawing Mode to NOT
    mydisp.setLinePattern(0xff);
     mydisp.drawHLine(0, 31, 127); //draw horizontal LiNe
    mydisp.setPrintPos(0, 31, 1); //Set Graphic position
    for (uint8_t i = 1; i <= 127; i = i + 6) //this loop will draw sin graph
    {
        mydisp.drawLineTo(i, (uint8_t) (32 - (float) (sin(i * 3.14 / 63)*28)));
    }
    mydisp.setMode('C'); //set graphic Drawing Mode to COPY
    mydisp.setLinePattern(0xaa);  // set line pattern as dots
    mydisp.drawLine(0, 0,127,0);  //draw 4 horizontal dot lines
    mydisp.drawLine(0, 15,127,15);
    mydisp.drawLine(0, 47,127,47);
    mydisp.drawLine(0, 63,127,63);
    mydisp.setFont(10);
    mydisp.drawStr(10, 0, "SIN Singal");
    mydisp.setFont(6);
    delay(300);  //for ST7920, due to this kind of display is slower thant others
    for (uint8_t i = 0; i <= 127; i +=16 ) //this loop will draw vertical lines and Coordinate values
    {
        mydisp.setLinePattern(0x72);
        mydisp.drawVLine(i,0,63);  //draw one vertival line use pattern 0x72 (dash)
        mydisp.setRotation(1);    //rotate to 90 degree
        mydisp.setTextPosAbs(32, 127-i+3);  //set text position as pixel
        mydisp.print(i);          //draw Coordinate value
        mydisp.undoRotation();    //set rotation back to 0
        delay(100);               // for ST7920 or other slow LCD
    }   
}
void loop() {
}