ATMEGA128 一个数码管流动显示

#define OE_PORT PORTC
#define OE_PIN PINC
#define OE_DDR DDRC
#define OE 7
#define Seg7_Bit0 4
#define Seg7_Bit1 5
#define Seg7_Bit2 6
#define Seg7_Bit3 7
#define dp 7
#define Seg7_Bitselect_PORT PORTB
#define Seg7_Bitselect_PIN  PINB
#define Seg7_Bitselect_DDR  DDRB
#define Seg7_Bit0_En()  {Seg7_Bitselect_DDR|=(1<#define Seg7_Bit0_Dis() {Seg7_Bitselect_DDR|=(1<#define Seg7_Bit1_En()  {Seg7_Bitselect_DDR|=(1<#define Seg7_Bit1_Dis() {Seg7_Bitselect_DDR|=(1<#define Seg7_Bit2_En()  {Seg7_Bitselect_DDR|=(1<#define Seg7_Bit2_Dis() {Seg7_Bitselect_DDR|=(1<#define Seg7_Bit3_En()  {Seg7_Bitselect_DDR|=(1<#define Seg7_Bit3_Dis() {Seg7_Bitselect_DDR|=(1<#define SS 0
#define SCK 1
#define MOSI 2
#define MISO 3
#define SS_H() PORTB|=(1<#define SS_L() PORTB&=~(1<#include
const unsigned char duan[]={0x3F,0x06,0x5B,0x4F,0x66,             //0,1,2,3,4
                                 0x6D,0x7D,0x07,0x7F,0x6F};          //5,6,7,8,9    
unsigned char buffer;
void spi_init()
{
   DDRB |= (1<   SPCR = (1<}
void SPI_MasterTransmit(char Data)
{
   /* 启动数据传输 */
   SPDR = Data;
   /* 等待传输结束 */
   while(!(SPSR & (1<}

void HC_595_init(void)
{
 DDRC |= (1<<7); //DDRC7=1  output
 PORTC &= (1<<7);//PORTC7=1 , 595 enable
 PORTB = 0x0F;
 //PORTB |=((1<<7)|(1<<6)|(1<<5));  //位选，高四位控制四个数码管，高电平有效
 spi_init();                  
}

void HC_595_OUT(unsigned char data)
{
   SS_L();  //PORTB0=0
  SPI_MasterTransmit(data);
   SS_H();   //PORTB0=1
}
void delay( unsigned int z)
{
 unsigned int  x,y;
 for(x=z;x>0;x--)
  for(y=1140;y>0;y--);
}
void delay1(unsigned int z)
{
   while(z--);
}

void main()
{
   unsigned int cnt;
   HC_595_init();
   while(1)
  {
    for(cnt=0;cnt<10;cnt++)
   {  
      Seg7_Bit0_En(); //PORTB4=1,选中最后一个数码管   
       buffer=duan[cnt];
      HC_595_OUT(buffer);
       delay(300);    
       //Seg7_Bit0_Dis();//PORTB4=0,关闭最后一个数码管
       delay(300);    
   }
     
  }
 
}