?? time.h
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//ICC-AVR application builder : 2008-8-4 14:22:59
// Target : M8515
// Crystal: 4.0000Mhz
void port_init(void)
{
PORTA = 0x00;
DDRA = 0x00;
PORTB = 0x00;
DDRB = 0x00;
PORTC = 0x00;
DDRC = 0x00;
PORTD = 0x00;
DDRD = 0x00;
PORTE = 0x00;
DDRE = 0x00;
}
//TIMER0 initialize - prescale:Stop
// WGM: Normal
// desired value: 100uSec
// actual value: Out of range
void timer0_init(void)
{
TCCR0 = 0x00; //stop timer
TCNT0 = 0x00 /*INVALID SETTING*/; //set count value
OCR0 = 0x00 /*INVALID SETTING*/;
TCCR0 = 0x00; //start timer
}
#pragma interrupt_handler timer0_ovf_isr:iv_TIM0_OVF
void timer0_ovf_isr(void)
{
TCNT0 = 0x00 /*INVALID SETTING*/; //reload counter value
}
//call this routine to initialize all peripherals
void init_devices(void)
{
//stop errant interrupts until set up
CLI(); //disable all interrupts
port_init();
timer0_init();
MCUCR = 0x00;
EMCUCR = 0x00;
GICR = 0x00;
TIMSK = 0x82;
SEI(); //re-enable interrupts
//all peripherals are now initialized
}
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