8X8點矩陣LED實驗室

第一個程式

#define display_array_size 8

// ascii 8x8 dot font

#define data_null 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // null char

#define data_ascii_A 0x02,0x0C,0x18,0x68,0x68,0x18,0x0C,0x02 /*"A",0*/

/**

**"A"

#define A { //kjm,i

{0, 0, 0, 0, 0, 0, 1, 0}, //0x02

{0, 0, 0, 0, 1, 1, 0, 0}, //0x0C

{0, 0, 0, 1, 1, 0, 0, 0}, //0x18

{0, 1, 1, 0, 1, 0, 0, 0}, //0x68

{0, 1, 1, 0, 1, 0, 0, 0}, //0x68

{0, 0, 0, 1, 1, 0, 0, 0}, //0x18

{0, 0, 0, 0, 1, 1, 0, 0}, //0x0C

{0, 0, 0, 0, 0, 0, 1, 0} //0x02

}

**/

#define data_ascii_B 0x00,0x7E,0x52,0x52,0x52,0x52,0x2C,0x00 /*"B",1*/

#define data_ascii_C 0x00,0x3C,0x66,0x42,0x42,0x42,0x2C,0x00 /*"C",2*/

#define data_ascii_D 0x00,0x7E,0x42,0x42,0x42,0x66,0x3C,0x00 /*"D",3*/

#define data_ascii_E 0x00,0x7E,0x52,0x52,0x52,0x52,0x52,0x42 /*"E",4*/

#define data_ascii_F 0x00,0x7E,0x50,0x50,0x50,0x50,0x50,0x40 /*"F",5*/

#define data_ascii_G 0x00,0x3C,0x66,0x42,0x42,0x52,0x16,0x1E /*"G",6*/

#define data_ascii_H 0x00,0x7E,0x10,0x10,0x10,0x10,0x7E,0x00 /*"H",7*/

#define data_ascii_I 0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00 /*"I",8*/

// display array

byte data_ascii[][display_array_size] = {

data_null,

data_ascii_A, data_ascii_B,

data_ascii_C,

data_ascii_D,

data_ascii_E,

data_ascii_F,

data_ascii_G,

data_ascii_H,

data_ascii_I,

};

//the pin to control ROW

const int row1 = 2; // the number of the row pin 8

const int row2 = 3; // the number of the row pin 7

const int row3 = 4; // the number of the row pin 6

const int row4 = 5; // the number of the row pin 5

const int row5 = 17; // the number of the row pin 4

const int row6 = 16; // the number of the row pin 3

const int row7 = 15; // the number of the row pin 2

const int row8 = 14; // the number of the row pin 1

//the pin to control COl

const int col1 = 6; // the number of the col pin 20

const int col2 = 7; // the number of the col pin 19

const int col3 = 8; // the number of the col pin 18

const int col4 = 9; // the number of the col pin 17

const int col5 = 10; // the number of the col pin 16

const int col6 = 11; // the number of the col pin 15

const int col7 = 12; // the number of the col pin 14

const int col8 = 13; // the number of the col pin 13

void displayNum(byte rowNum,int colNum)

{

int j;

byte temp = rowNum;

for(j=2;j<6;j++) //先清除低位元組 D2 ~ D5字型碼

{

digitalWrite(j, LOW);

}

digitalWrite(row5, LOW); //在清除高位元組A4 ~A0字型碼

digitalWrite(row6, LOW);

digitalWrite(row7, LOW);

digitalWrite(row8, LOW);

for(j=6;j<14;j++)

{

digitalWrite(j, HIGH); } //設定8X8LED共陽極的高電壓給D6~D13

switch(colNum) //設定逐行顯示的掃描碼

{

case 1: digitalWrite(col1, LOW); break; //顯示第一行

case 2: digitalWrite(col2, LOW); break; //顯示第二行

case 3: digitalWrite(col3, LOW); break; //顯示第三行

case 4: digitalWrite(col4, LOW); break; //顯示第四行

case 5: digitalWrite(col5, LOW); break; //顯示第五行

case 6: digitalWrite(col6, LOW); break; //顯示第六行

case 7: digitalWrite(col7, LOW); break; //顯示第七行

case 8: digitalWrite(col8, LOW); break; //顯示第八行

default: break;

}

for(j = 1 ;j < 9; j++)

{

temp = (0x80)&(temp) ;

if(temp==0)

{

temp = rowNum<<j;

continue;

}

switch(j)

{

case 1: digitalWrite(row1, HIGH); break;

case 2: digitalWrite(row2, HIGH); break;

case 3: digitalWrite(row3, HIGH); break;

case 4: digitalWrite(row4, HIGH); break;

case 5: digitalWrite(row5, HIGH); break;

case 6: digitalWrite(row6, HIGH); break;

case 7: digitalWrite(row7, HIGH); break;

case 8: digitalWrite(row8, HIGH); break;

default: break;

}

temp = rowNum<<j;

}

}

void setup(){

int i = 0 ;

for(i=2;i<18;i++)

{

pinMode(i, OUTPUT);

}

for(i=2;i<18;i++) {

digitalWrite(i, LOW);

}

}

void loop(){

int t1;

int l;

int arrage;

for(arrage=0;arrage<10;arrage++)

{

for(l=0;l<512;l++)

{

for(t1=0;t1<8;t1++)

{

displayNum(data_ascii[arrage][t1],(t1+1));

}

}

}

}

小綠人設定碼

#define data_ascii_A 0x00,0x1C,0xDF,0xFC,0xDF,0x1C,0x00,0x00

#define data_ascii_B 0x04,0x09,0x12,0xFC,0xDF,0x10,0x08,0x04

#define data_ascii_C 0x00,0x00,0x1C,0xFF,0xDC,0x1E,0x01,0x00

#define data_ascii_D 0x04,0x09,0x12,0xFC,0xDF,0x10,0x08,0x04

#define data_ascii_E 0x00,0x00,0x1C,0xFF,0xDC,0x1E,0x01,0x00

#define data_ascii_F 0x04,0x09,0x12,0xFC,0xDF,0x10,0x08,0x04

#define data_ascii_G 0x00,0x00,0x1C,0xFF,0xDC,0x1E,0x01,0x00

#define data_ascii_H 0x04,0x09,0x12,0xFC,0xDF,0x10,0x08,0x04

#define data_ascii_I 0x00,0x00,0x1C,0xFF,0xDC,0x1E,0x01,0x00