SunFounder Da Vinci Kit Bedienungsanleitung Seite 97

void write_word(int
int temp = data;
if ( BLEN == 1
temp |= 0x08;
else
temp &= 0xF7;
wiringPiI2CWrite(fd, temp);
}
void send_command(int
int buf;
// Send bit7-4 firstly
buf = comm & 0xF0;
buf |= 0x04;
write_word(buf);
delay(2);
buf &= 0xFB;
write_word(buf);
// Send bit3-0 secondly
buf = (comm & 0x0F)
buf |= 0x04;
write_word(buf);
delay(2);
buf &= 0xFB;
write_word(buf);
}
void send_data(int
int buf;
// Send bit7-4 firstly
buf = data & 0xF0;
buf |= 0x05;
write_word(buf);
delay(2);
buf &= 0xFB;
write_word(buf);
// Send bit3-0 secondly
buf = (data & 0x0F)
buf |= 0x05;
write_word(buf);
delay(2);
buf &= 0xFB;
write_word(buf);
}
void init(){
send_command(0x33);
delay(5);
send_command(0x32);
delay(5);
send_command(0x28);
delay(5);
send_command(0x0C);
delay(5);
send_command(0x01);
1.7. 1 Ausgabe
data){
)
comm){
// RS = 0, RW = 0, EN = 1
// Make EN = 0
<< 4;
// RS = 0, RW = 0, EN = 1
// Make EN = 0
data){
// RS = 1, RW = 0, EN = 1
// Make EN = 0
<< 4;
// RS = 1, RW = 0, EN = 1
// Make EN = 0
// Must initialize to 8-line mode at first
// Then initialize to 4-line mode
// 2 Lines & 5 * 7 dots
// Enable display without cursor
// Clear Screen
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