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