int DI = 12;
int RW = 11;
int DB[] = {3, 4, 5, 6, 7, 8, 9, 10};
int Enable = 2;
void LcdCommandWrite(int value) {
int i = 0;
for (i = DB[0]; i <= DI; i++)
{
digitalWrite(i, value & 01);
value >>= 1;
}
digitalWrite(Enable, LOW);
delayMicroseconds(1);
digitalWrite(Enable, HIGH);
delayMicroseconds(1);?
digitalWrite(Enable, LOW);
delayMicroseconds(1);?
}
void LcdDataWrite(int value) {
int i = 0;
digitalWrite(DI, HIGH);
digitalWrite(RW, LOW);
for (i = DB[0]; i <= DB[7]; i++) {
digitalWrite(i, value & 01);
value >>= 1;
}
digitalWrite(Enable, LOW);
delayMicroseconds(1);
digitalWrite(Enable, HIGH);
delayMicroseconds(1);
digitalWrite(Enable, LOW);
delayMicroseconds(1);?
}
void setup (void) {
int i = 0;
for (i = Enable; i <= DI; i++) {
pinMode(i, OUTPUT);
}
delay(100);
LcdCommandWrite(0x38);?
delay(64);
LcdCommandWrite(0x38);?
delay(50);
LcdCommandWrite(0x38);?
delay(20);
LcdCommandWrite(0x06);?
delay(20);
LcdCommandWrite(0x0E);
delay(20);
LcdCommandWrite(0x01);
delay(100);
LcdCommandWrite(0x80);
delay(20);
}
void loop (void) {
LcdCommandWrite(0x01);?
delay(10);
LcdCommandWrite(0x80 + 3);
delay(10);
LcdDataWrite('H');
LcdDataWrite('e');
LcdDataWrite('l');
LcdDataWrite('l');
LcdDataWrite('o');
LcdDataWrite(' ');
LcdDataWrite('W');
LcdDataWrite('o');
LcdDataWrite('r');
LcdDataWrite('l');
LcdDataWrite('d');
LcdDataWrite('!');
delay(5000);
}
