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Simplify pin calculation

This commit is contained in:
Daniel Schaal 2017-05-14 11:06:06 +02:00
parent ac161c6d00
commit 97a361d979
1 changed files with 6 additions and 36 deletions
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42
N64Controller/N64Controller.cpp
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@ -9,42 +9,12 @@ N64Controller::N64Controller(unsigned char serialPin) {
// Don't remove these lines, we don't want to push +5V to the controller
digitalWrite(serialPin, LOW);
pinMode(serialPin, INPUT);
bool n64_first_register = true;
char n64_pincode;
switch (serialPin) {
case 0: n64_pincode = 0x01;
break;
case 1: n64_pincode = 0x02;
break;
case 2: n64_pincode = 0x04;
break;
case 3: n64_pincode = 0x08;
break;
case 4: n64_pincode = 0x10;
break;
case 5: n64_pincode = 0x20;
break;
case 6: n64_pincode = 0x40;
break;
case 7: n64_pincode = 0x80;
break;
case 8: n64_pincode = 0x01; n64_first_register = false;
break;
case 9: n64_pincode = 0x02; n64_first_register = false;
break;
case 10: n64_pincode = 0x04; n64_first_register = false;
break;
case 11: n64_pincode = 0x08; n64_first_register = false;
break;
case 12: n64_pincode = 0x10; n64_first_register = false;
break;
case 13: n64_pincode = 0x20; n64_first_register = false;
break;
default:
n64_pincode = 0x04;
break;
}
if(n64_first_register) {
// 0-7: DDRD, 8-13: DDRB
bool isDDRD = (serialPin / 8) == 0;
char n64_pincode = 0x01 << (serialPin % 8);
if(isDDRD) {
interface = new N64Interface_PIND(n64_pincode);
} else {
interface = new N64Interface_PINB(n64_pincode);