EmbeddedSystems/EmbeddedSystemsTHM/Taster.c

27 lines
613 B
C

#include <avr/io.h>
void
Taster_init (void){
DDRD &= ~(0b111<<5); // Set bit 5-7 of Data Direction Register D as input
DDRC &= ~(1<<2); // Set bit 2 of Data Direction Register C as input
PORTD |= (0b111<<5); // Initialize bit 5-7 of PORTD as for pull up resistor
PORTC |= (1<<2); // Initialize bit 2 of PORTC as for pull up resistor
}
uint8_t
Taster1_get (void){
return ((PIND & (1<<PIND7)) == 0);
}
uint8_t
Taster2_get (void){
return ((PIND & (1<<PIND6)) == 0);
}
uint8_t
Taster3_get (void){
return ((PIND & (1<<PIND5)) == 0);
}
uint8_t
Taster4_get (void){
return ((PINC & (1<<PINC2)) == 0);
}