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#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include "rfm.h"
#include "serial.h"
#define TEST_LED PB1
#define LOCK_LED PD6
#define UNLOCK_LED PD7
#define SYN 0xAA
#define LOCK 0xB5
#define UNLOCK 0xAE
#define SIGPIN PB0
static inline void led_init(void)
{
DDRB |= (1 << TEST_LED);
DDRD |= (1 << LOCK_LED) | (1 << UNLOCK_LED);
}
static inline void pcint2_init(void)
{
PCICR |= (1 << PCIE2);
PCMSK2 |= (1 << PCINT0);
}
int main(void)
{
DDRB &= ~(1 << SIGPIN);
PORTB &= ~(1 << SIGPIN);
led_init();
serial_init();
pcint2_init();
sei();
for (;;)
;
return 0;
}
ISR(PCINT2_vect)
{
char *s;
uint8_t buf[2], n;
n = rfm_recvfrom(0x00, buf, 2);
if (buf[1] == LOCK)
s = "LOCK";
else if (buf[1] == UNLOCK)
s = "UNLOCK";
else
s = "Garbage";
serial_write_line(s);
}
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