Stuff

/* # vim: ai ts=4 sts=4 et sw=4 */ #include <avr/io.h>#include <inttypes.h>#include <avr/sleep.h>#include <util/delay.h>void delay_ms(unsigned int ms)    /* Delay for a min of <ms> */{    while (ms) {        _delay_ms(0.96);         ms--;    }}void lightshow_2(){    for (int i = 5; i > 1; i--)    {        // Turn Pin 7, 5, 3 on.         PORTB |= (_BV(PB3));        PORTB |= (_BV(PB5));         PORTB |= (_BV(PB7));         // delay_ms(100);                // Turn 7,5,3 off.        PORTB &= ~(_BV(PB3));         PORTB &= ~(_BV(PB5));         PORTB &= ~(_BV(PB7));         // Turn 4,6 on        PORTB |= (_BV(PB4));        PORTB |= (_BV(PB6));        // delay_ms(100);                // Pins 4,6 off        PORTB &= ~(_BV(PB6));        PORTB &= ~(_BV(PB4));    }    // Clear pins    PORTB = 0x00; }int main(void){    /* INITIALIZE */    /* Enabled PORTB as output */    DDRB = 1;    lightshow_1();         sleep_mode();     return(0);}