ICCAVR_mega8_Proteus 跑马灯

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ICCAVR_mega8_Proteus 跑马灯 [复制链接]

//ICC-AVR application builder : 2009-3-10 13:53:36
// Http://www.oa-only.com
// Target : M8
// Crystal: 8.0000Mhz

#include
#include

void port_init(void)
{
PORTB = 0x00;
DDRB  = 0x00;
PORTC = 0x00; //m103 output only
DDRC  = 0x00;
PORTD = 0x00;
DDRD  = 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;
GICR  = 0x00;
TIMSK = 0x00; //timer interrupt sources
SEI(); //re-enable interrupts
//all peripherals are now initialized
}

/************************************
Name         :小延时程序
Target       :atmega8
Crystal(晶振):8M
************************************/
void delay()
{
unsigned int i;//最大值65536
for (i=0;i<40000;i++)
{;}
}

/************************************
Name         :跑马灯
Target       :atmega8
Crystal(晶振):8M
**************************************/
void show_LED()
{
unsigned char i;
DDRB=0xff;//设为输出
for (i=0;i<8;i++)
{
  PORTB=(1<   delay();
}
}

void main()
{
port_init();
init_devices();
while(1)
{
  show_LED();
}
}

http://www.oa-only.com/upload/20100127142953236.rar