추억이 될 오늘...

#include <avr/io.h>
#include <carroty/delay.h>

/********* 각 문자별 배열번호를 지정한다. **********/
#define dot_1 0
#define dot_2 1
#define dot_3 2
#define dot_4 3
#define dot_5 4
#define dot_6 5
#define dot_7 6
#define dot_8 7
#define dot_9 8
#define dot_0 9
#define dot_a 10
#define dot_b 11
#define dot_c 12
#define dot_d 13
#define dot_e 14
#define dot_f 15
#define dot_g 16
#define dot_h 17
#define dot_i 18
#define dot_j 19
#define dot_k 20
#define dot_l 21
#define dot_m 22
#define dot_n 23
#define dot_o 24
#define dot_p 25
#define dot_q 26
#define dot_r 27
#define dot_s 28
#define dot_t 29
#define dot_u 30
#define dot_v 31
#define dot_w 32
#define dot_x 33
#define dot_y 34
#define dot_z 35

/******************** 줄의 주소와 배열의 폰트를 정의한다. *************************/
unsigned char ccc[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
unsigned char row[36][8] = {{ 0x04, 0x08, 0x08, 0x10, 0x10, 0x10, 0x10, 0x00 },  //1  
       { 0x1C, 0x22, 0x02, 0x04, 0x18, 0x20, 0x7E, 0x00 },  //2
       { 0x1C, 0x22, 0x02, 0x0C, 0x02, 0x42, 0x3C, 0x00 },  //3
       { 0x0C, 0x10, 0x22, 0x44, 0x7E, 0x08, 0x10, 0x00 },  //4
       { 0x1E, 0x20, 0x2C, 0x32, 0x02, 0x04, 0x24, 0x18 },  //5
       { 0x0C, 0x30, 0x40, 0x5C, 0x62, 0x42, 0x24, 0x18 },  //6
       { 0x7E, 0x04, 0x18, 0x20, 0x20, 0x40, 0x40, 0x00 },  //7
       { 0x1C, 0x22, 0x22, 0x1C, 0x22, 0x42, 0x42, 0x3C },  //8
       { 0x1C, 0x22, 0x22, 0x22, 0x1C, 0x04, 0x08, 0x30 },  //9
       { 0x1C, 0x22, 0x42, 0x42, 0x42, 0x24, 0x18, 0x00 },  //0
       { 0x18, 0x3C, 0x66, 0xC3, 0xFF, 0xFF, 0xC3, 0xC3 },  //A
       { 0xFE, 0xFF, 0xC3, 0xFE, 0xFE, 0xC3, 0xFF, 0xFE },  //B
       { 0x7E, 0xFF, 0xC3, 0xC0, 0xC0, 0xC3, 0xFF, 0x7E },  //C
       { 0xFE, 0xFF, 0xC3, 0xC3, 0xC3, 0xC3, 0xFF, 0xFE },  //D
       { 0xFF, 0xFF, 0xC0, 0xFF, 0xFF, 0xC0, 0xFF, 0xFF },  //E
       { 0xFF, 0xFF, 0xC0, 0xFE, 0xFE, 0xC0, 0xC0, 0xC0 },  //F
       { 0x7E, 0xFF, 0xC0, 0xC7, 0xC7, 0xC3, 0xFF, 0x7E },  //G
       { 0xC3, 0xC3, 0xC3, 0xFF, 0xFF, 0xC3, 0xC3, 0xC3 },  //H
       { 0x7E, 0x7E, 0x18, 0x18, 0x18, 0x18, 0x7E, 0x7E },  //I
       { 0xFF, 0xFF, 0x06, 0x06, 0xC6, 0xC6, 0x7C, 0x38 },  //J
       { 0xC3, 0xC6, 0xCC, 0xF8, 0xF8, 0xCC, 0xC6, 0xC3 },  //K
       { 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xFF, 0xFF },  //L
       { 0xC3, 0xE7, 0xFF, 0xDB, 0xC3, 0xC3, 0xC3, 0xC3 },  //M
       { 0xC3, 0xE3, 0xF3, 0xFB, 0xDF, 0xCF, 0xC7 ,0xC3 },  //N
       { 0x7E, 0xFF, 0xC3, 0xC3, 0xC3, 0xC3, 0xFF, 0x7E },  //O
       { 0xFE, 0xFF, 0xC3, 0xFF, 0xFE, 0xC0, 0xC0, 0xC0 },  //P
       { 0x7C, 0xFE, 0xC6, 0xC6, 0xDE, 0xCE, 0xFE, 0x7B },  //Q
       { 0xFE, 0xFF, 0xC3, 0xFE, 0xFE, 0xC3, 0xC3, 0xC3 },  //R
       { 0x7E, 0xFF, 0xC0, 0xFE, 0x7F, 0x03, 0xFF, 0x7E },  //S
       { 0xFF, 0xFF, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18 },  //T
       { 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xFF, 0x7E },  //U
       { 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0x66, 0x3C, 0x18 },  //V
       { 0xC3, 0xC3, 0xDB, 0xDB, 0xDB, 0xDB, 0xFF, 0x66 },  //W
       { 0xC1, 0x63, 0x36, 0x1C, 0x38, 0x6C, 0xC6, 0x83 },  //X
       { 0xC3, 0xC3, 0x66, 0x3C, 0x18, 0x18, 0x18, 0x18 },  //Y
       { 0xFF, 0xFF, 0x0E, 0x1C, 0x38, 0x70, 0xFF, 0xFF }   //Z
          };

/**** 오른쪽에서 왼쪽으로 문자를 쉬프트하는 함수를 정의한다. *****/
void shift(int n,int time){
 int w,v,l,i;
 unsigned char buf[8];
 for(v=7;v>=1;v--){
  for(w=0;w<8;w++){ buf[w]=row[n][w]>>v; }
  for(l=0;l<time;l++){
   for(i=0;i<8;i++){PORTA=ccc[i]; PORTD=buf[i]; delay_ms(2);}
  }
 }
 for(v=0;v<8;v++){
  for(w=0;w<8;w++){ buf[w]=row[n][w]<<v; }
  for(l=0;l<time;l++){
   for(i=0;i<8;i++){PORTA=ccc[i]; PORTD=buf[i]; delay_ms(2);}
  }
 }
}

/************* 문자를 출력하고 있는 함수를 정의한다. ************/
void print(int n,int time){
 int i,l;
 for(l=0;l<time;l++){
  for(i=0;i<8;i++){PORTA=ccc[i]; PORTD=row[n][i]; delay_ms(1);}
 }
}


int main(){
 DDRA=0xFF; //PORTA 를 출력으로 설정한다.
 DDRD=0xFF;  //PORTD 를 출력으로 설정한다.
 while(1)
 {
  print(dot_h,200);
  print(dot_k,200);
  print(dot_s,200);
  shift(dot_h,3);
  shift(dot_k,3);
  shift(dot_s,3);
 }
 return 0;
}