pentabug/fw_test/main.c
2013-08-15 02:12:41 +02:00

77 lines
1.3 KiB
C

#include <inttypes.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#define __DELAY_BACKWARD_COMPATIBLE__
#include <util/delay.h>
#include <stdlib.h>
#define ever (;;)
#define follow(from_port, from_pin, to_port, to_pin) { if(from_port & (1 << from_pin)) to_port &= ~(1 << to_pin); else to_port |= 1 << to_pin; }
#define not_follow(from_port, from_pin, to_port, to_pin) { if(from_port & (1 << from_pin)) to_port |= 1 << to_pin; else to_port &= ~(1 << to_pin); }
int main(void) {
uint8_t vib_delay = 0;
// init and stuff
PORTB |= (1 << 6) | (1 << 7);
PORTC |= (1 << 0) | (1 << 2) | (1 << 3);
DDRB |= (1 << 6) | (1 << 7);
DDRC |= (1 << 0) | (1 << 2) | (1 << 3);
DDRD |= (1 << 2) | (1 << 4);
// pullups
PORTB |= (1 << 0) | (1 << 1) | (1 << 2);
PORTC |= (1 << 4) | (1 << 5);
PORTD |= (1 << 7);
PORTD |= 1 << 2;
// looping
for ever {
// LEDs
not_follow(PINB, 0, PORTD, 4);
/*not_follow(PINB, 1, PORTC, 2);*/
not_follow(PIND, 3, PORTC, 2);
// vibration
follow(PINC, 4, PORTB, 6);
// higher buzzer
if(!(PINC & (1 << 5))) {
PORTB ^= 1 << 7;
} else {
PORTB &= ~(1 << 7);
}
// lower buzzer
vib_delay ^= 1;
if(!(PIND & (1 << 7))) {
if(vib_delay) {
PORTC ^= 1 << 0;
}
} else {
PORTC &= ~(1 << 0);
}
// wait
_delay_ms(1);
}
/* never return 0; */
return 0;
}