arachnouphobia/tn24/src/main.c

95 lines
1.4 KiB
C

#include "main.h"
uint16_t RCounter;
uint16_t GCounter;
uint16_t BCounter;
int main(void)
{
DDRA = 0;
DDRB = 0;
PORTA = 0;
PORTB = 0;
D_LEDR |= (1 << P_LEDR);
D_LEDG |= (1 << P_LEDG);
D_LEDB |= (1 << P_LEDB);
O_LEDR |= (1 << P_LEDR);
_delay_ms(50);
O_LEDR &= ~(1 << P_LEDR);
WDTCSR = (1 << WDIE) | (1 << WDP1);
RCounter = 10;
GCounter = 35;
BCounter = 20;
sei();
set_sleep_mode(SLEEP_MODE_PWR_DOWN);
sleep_mode();
while(1)
{
}
return 1;
}
ISR(WATCHDOG_vect)
{
if(O_LEDR & (1 << P_LEDR))
{
O_LEDR &= ~(1 << P_LEDR);
RCounter = rand() % MAX_DELAY;
}
else
{
RCounter--;
if(RCounter == 0)
{
O_LEDR |= (1 << P_LEDR);
}
}
if(O_LEDG & (1 << P_LEDG))
{
O_LEDG &= ~(1 << P_LEDG);
GCounter = rand() % MAX_DELAY;
}
else
{
GCounter--;
if(GCounter == 0)
{
O_LEDG |= (1 << P_LEDG);
}
}
if(O_LEDB & (1 << P_LEDB))
{
O_LEDB &= ~(1 << P_LEDB);
BCounter = rand() % MAX_DELAY;
}
else
{
BCounter--;
if(BCounter == 0)
{
O_LEDB |= (1 << P_LEDB);
}
}
}
uint16_t y = 132457;
uint16_t rand()
{
y ^= y << 13;
y ^= y >> 7;
y ^= y << 5;
return y;
}