init.c

来自「avr单片机与flash存储器通信程序,调试通过,希望对大家有所帮助.」· C语言 代码 · 共 37 行

//ICC-AVR application builder : 2006-4-27 12:39:24
// Target : M8515
// Crystal: 11.0592Mhz

#include <iom8515v.h>
#include <macros.h>

void port_init(void)
{
 PORTA = 0x00;
 DDRA  = 0xFF;
 PORTB = 0x00;
 DDRB  = 0x00;
 PORTC = 0x00;
 DDRC  = 0x20;
 PORTD = 0x00;
 DDRD  = 0x00; 
 PORTE = 0x00;
 DDRE  = 0x00; 
}

//call this routine to initialize all peripherals
void init_devices(void)
{
 //stop errant interrupts until set up
 CLI(); //disable all interrupts
 port_init();

 MCUCR = 0x00;
 EMCUCR = 0x00;
 GICR = 0x00;
 TIMSK = 0x00;
 SEI(); //re-enable interrupts
 //all peripherals are now initialized
}