[ATmega328] Nokia 5110 LCD (GLCD) bmp파일 출력하기

저는 bmp파일을 직접 그림판을 통해 도트로 찍어서 만들었습니다. ^^;; (정확하게 확인하기 위해서..)

 

아래 홈페이지를 들어가면 만든 bmp파일로 hex 변환 코드를 만들어줍니다. ^^;;

https://www.riyas.org/2017/01/online-tool-to-convert-bitmap-to-hex-nokia-arduino.html

 

 

 

 

위 코드를 복사하여 아래처럼 작성해서 출력해주시면 됩니다. ^^;

 

#define F_CPU   16000000UL
#include <avr/io.h>
#include <util/delay.h>
#include <avr/interrupt.h>
#define RST_SET         PORTB |= 0x10
#define RST_RESET       PORTB &= ~0x10
#define CE_SET          PORTB |= 0x08
#define CE_RESET        PORTB &= ~0x08
#define DC_SET          PORTB |= 0x04
#define DC_RESET        PORTB &= ~0x04
#define DIN_SET         PORTB |= 0x02
#define DIN_RESET       PORTB &= ~0x02
#define CLK_SET         PORTB |= (1<<0)
#define CLK_RESET       PORTB &= ~(1<<0)
#define BACKLIGHT_ON    PORTD |= (1<<7)
#define BACKLIGHT_OFF   PORTD &= ~(1<<7)
#define LCD_WIDTH   84
#define LCD_HEIGHT  48
unsigned char b[504];
 
//Created with online webtool from www.riyas.org
const unsigned char bitmapArray [] = {
0xff, 0xff, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 
0x02, 0x02, 0x02, 0x02, 0xfe, 0x02, 0x02, 0x00, 0x00, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 
0x60, 0x30, 0x18, 0x0c, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0c, 0x04, 0x04, 
0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 0xfc, 0xe0, 0xb0, 0x18, 0x0c, 0x04, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x06, 0x04, 0x04, 0x03, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x02, 0x06, 0x04, 0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 
0x07, 0x00, 0x01, 0x03, 0x06, 0x06, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 
0xff, 0xff, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 
0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 
0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 
0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 
0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 
0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xff, 0xff, 
};
 
#ifdef enablePartialUpdate
static uint8_t xUpdateMin, xUpdateMax, yUpdateMin, yUpdateMax;
#endif
static void updateBoundingBox(uint8_t xmin, uint8_t ymin, uint8_t xmax, uint8_t ymax) {
#ifdef enablePartialUpdate
    if (xmin < xUpdateMin) xUpdateMin = xmin;
    if (xmax > xUpdateMax) xUpdateMax = xmax;
    if (ymin < yUpdateMin) yUpdateMin = ymin;
    if (ymax > yUpdateMax) yUpdateMax = ymax;
#endif
}
/*
 * 원하는 위치에 픽셀 출력
 */
void LcdDrawPixel(int x, int y, int bw) {
    if ((x < 0) || (x >= LCD_WIDTH) || (y < 0) || (y >= LCD_HEIGHT))
        return;
    
    if (bw) {
        b[x+ (y/8)*LCD_WIDTH] |= 1<<(y%8);  
    }
    else {
        b[x+ (y/8)*LCD_WIDTH] &= ~(1<<(y%8)); 
    }
    updateBoundingBox(x,y,x,y);
}
void LcdWriteData(byte dat) {
    DC_SET;                             // 데이터 전송시 DC SET
    CE_RESET;
    shiftWrite(dat);
    CE_SET;
}
void LcdXY(int x, int y) {
    //128, 64 첫 포인트 위치
    LcdWriteCmd(0x80 | x); // 가로크기를 지정합니다.
    LcdWriteCmd(0x40 | y);  // 세로크기를 지정합니다.
}
void LcdWriteCmd(byte cmd) {
    DC_RESET;                           // 커맨드 전송시 DC RESET
    CE_RESET;
    shiftWrite(cmd);                    
    CE_SET;
}
void LcdClear(void) {
    memset(b, 0, 504);
    updateBoundingBox(0, 0, LCD_WIDTH-1, LCD_HEIGHT-1);
}
void LcdDisplay(void) {
    char col, maxcol, p;
    for(p=0; p<6; p++) {
        
        #ifdef enablePartialUpdate
        if ( yUpdateMin >= ((p+1)*8) ) {
            continue;   // nope, skip it!
        }
        if (yUpdateMax < p*8) {
            break;
        }
        #endif        
        
        LcdWriteCmd(0x40 | p);          //command(PCD8544_SETYADDR | p);
        
        #ifdef enablePartialUpdate
            col = xUpdateMin;
            maxcol = xUpdateMax;
        #else
            // start at the beginning of the row
            col = 0;
            maxcol = LCD_WIDTH-1;
        #endif   
        
        LcdWriteCmd(0x80 | col);        //command(PCD8544_SETXADDR | col);
        DC_SET;
        CE_RESET;
        for(; col <= maxcol; col++) {
            shiftWrite(b[(LCD_WIDTH*p)+col]);
        }
        CE_SET;
    }
    LcdWriteCmd(0x40);
#ifdef enablePartialUpdate
    xUpdateMin = LCD_WIDTH - 1;
    xUpdateMax = 0;
    yUpdateMin = LCD_HEIGHT-1;
    yUpdateMax = 0;
#endif
}
/*
 * SPI_WRITE 함수
 */
void shiftWrite(uint8_t val) {
    for (uint8_t i = 0; i < 8; i++)  {
        if(!!(val & (1 << (7 - i)))) {
            DIN_SET;
        }
        else {
            DIN_RESET;
        }
        CLK_SET;
        CLK_RESET;
    }
}
int main() {
    // 각각의 핀모드를 출력으로     설정합니다.
    DDRB |= ((1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4));
    DDRD |= (1<<7);
    
    char contrast = 0x46;
    BACKLIGHT_ON;
    
    RST_RESET;
    RST_SET;
    
    LcdWriteCmd(0x21);  // LCD 확장 명령
    LcdWriteCmd(0x80 | contrast);  // LCD의 콘트라스트(명암을 결정합니다)
    LcdWriteCmd(0x04);  // TEMP
    LcdWriteCmd(0x14);  // BIAS (BA1, BA0 =  1: 48
    LcdWriteCmd(0x20);  // 확장명령 완료
    LcdWriteCmd(0x0C);  //
    
    for(int i=0; i<504; i++) {
        LcdWriteData(bitmapArray[i]);
    }
    while(1);
}
 

 

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