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| #define data_line PORTB
#define address_line PORTC
#define digit PORTD
#define en1 PORTD.B0
#define en2 PORTD.B1
#define en3 PORTD.B2
#define en4 PORTD.B3
#define en5 PORTD.B4
#define en6 PORTD.B5
#define en7 PORTD.B6
#define en8 PORTD.B7
#define segdel 500
unsigned char i,acol, afont[10][8] = {
0x18, 0x24, 0x24, 0x24, 0x24, 0x24, 0x18, 0x00,
0x08, 0x18, 0x08, 0x08, 0x08, 0x08, 0x1C, 0x00,
0x18, 0x24, 0x04, 0x1C, 0x20, 0x20, 0x3C, 0x00,
0x18, 0x24, 0x04, 0x18, 0x04, 0x24, 0x18, 0x00,
0x24, 0x24, 0x24, 0x3C, 0x04, 0x04, 0x04, 0x00,
0x3C, 0x20, 0x38, 0x04, 0x04, 0x24, 0x18, 0x00,
0x18, 0x20, 0x38, 0x24, 0x24, 0x24, 0x18, 0x00,
0x3C, 0x04, 0x04, 0x08, 0x10, 0x10, 0x10, 0x00,
0x18, 0x24, 0x24, 0x18, 0x24, 0x24, 0x18, 0x00,
0x18, 0x24, 0x24, 0x1C, 0x04, 0x04, 0x18, 0x00
};
unsigned int count;
void main()
{
TRISB=TRISC=TRISD=0x00;
PORTB=0x00;
en1=en2=en3=en4=en5=en6=en7=en8=0;
while(1)
{
for(acol=0;acol<8;acol++)
{
en8=0;
en1=1;
data_line = 0x00;
data_line = afont[0][acol];
address_line = acol;
delay_us(segdel);
en1=0;
en2=1;
data_line = 0x00;
data_line = afont[1][acol];
address_line = acol;
delay_us(segdel);
en2=0;
en3=1;
data_line = 0x00;
data_line = afont[2][acol];
address_line = acol;
delay_us(segdel);
en3=0;
en4=1;
data_line = 0x00;
data_line = afont[3][acol];
address_line = acol;
delay_us(segdel);
en4=0;
en5=1;
data_line = 0x00;
data_line = afont[4][acol];
address_line = acol;
delay_us(segdel);
en5=0;
en6=1;
data_line = 0x00;
data_line = afont[5][acol];
address_line = acol;
delay_us(segdel);
en6=0;
en7=1;
data_line = 0x00;
data_line = afont[6][acol];
address_line = acol;
delay_us(segdel);
en7=0;
en8=1;
data_line = 0x00;
data_line = afont[7][acol];
address_line = acol;
delay_us(segdel);
}
}
} |