//ICC-AVR application builder : 2012-4-15 18:25:09
// Target : M16
// Crystal: 8.0000Mhz
#include <iom16v.h>
#include <macros.h>
void port_init(void)
{
PORTA = 0x00;
DDRA = 0x00;
PORTB = 0x00;
DDRB = 0x00;
PORTC = 0x00; //m103 output only
DDRC = 0x00;
PORTD = 0x00;
DDRD = 0x00;
}
//TIMER1 initialize - prescale:8
// WGM: 14) PWM fast, TOP=ICRn
// desired value: 50Hz
// actual value: 50.000Hz (0.0%)
void timer1_init(void)
{
TCCR1B = 0x00; //stop
TCNT1H = 0xB1; //setup
TCNT1L = 0xE1;
OCR1AH = 0x4E;
OCR1AL = 0x1F;
OCR1BH = 0x4E;
OCR1BL = 0x1F;
ICR1H = 0x4E;
ICR1L = 0x1F;
TCCR1A = 0x32;
TCCR1B = 0x1A; //start Timer
}
//call this routine to initialize all peripherals
void init_devices(void)
{
//stop errant interrupts until set up
CLI(); //disable all interrupts
port_init();
timer1_init();
MCUCR = 0x00;
GICR = 0x00;
TIMSK = 0x00; //timer interrupt sources
SEI(); //re-enable interrupts
//all peripherals are now initialized
}
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