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56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
#include <avr/io.h>
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#include <util/delay.h>
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#include "arduinolib.h"
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void Arduinolib__dwrite_step(int p, int v, Arduinolib__dwrite_out *out){
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if (8 <= p && p <= 13){
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int pin = p - 8;
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DDRB |= (1 << pin);
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PORTB |= (1 << pin);
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if (v == 0) PORTB &= ~(1 << pin);
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}
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else if ( 0 <= p && p <= 7){
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DDRD |= (1 << p);
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PORTD |= (1 << p);
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if (v == 0) PORTD &= ~(1 << p);
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}
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else { //by default
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DDRB |= (1 << 5);
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PORTB |= (1 << 5);
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if (v == 0) PORTB &= ~(1 << 5);
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}
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return;
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}
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void Arduinolib__dread_step(int p, Arduinolib__dread_out *out){
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if (8 <= p && p <= 13){
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int pin = p - 8;
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DDRB &= ~(1 << pin);
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if ((PINB & (1 << pin)) == (1 << pin) ) {
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out -> v = 1; //pin high so it is pressed
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}
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else {
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out -> v = 0; //pin low so it is not pressed
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}
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}
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else if ( 0 <= p && p <= 7){
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DDRD &= ~(1 << p);
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if ((PIND & (1 << p)) == (1 << p) ) {
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out -> v = 1; //pin high so it is pressed
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} else {
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out -> v = 0; //pin low so it is not pressed
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}
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}
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else { //by default to pin 13 of arduino
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DDRB &= ~(1 << 5);
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if ((PINB & (1 << 5)) == (1 << 5) ) {
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out -> v = 1; //pin high so it is pressed
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}
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else {
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out -> v = 0; //pin low so it is not pressed
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}
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}
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return;
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}
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