main.c

凌阳单片机的数码管显示程序

//copyright of pyq
//硬件：数码管
#include"hardware.h"
#include"SPCE061V004.h"
//-----------------------------
#define uint unsigned int
#define ulong unsigned long
#define dog  *P_Watchdog_Clear=1
//-----------------------------
void display(uint b);
void shift(int b);
//--------------------------------
delay(uint b)
{	int i,j;
	for(i=0;i<b;i++)
	for(j=0;j<15000;j++) dog;
}
//-------------------------------
void main()
{
	uint i;	//sunplus 新声明的变量，其值不一定是0
	SP_Init_IOA(0xff00,0x00ff,0xff00);//
	SP_Init_IOB(-1,0,-1);//output,-,init 1
	
    
	while(1) *P_IOB_Data+=1;
	
	for(i=0;i<100;i++){
	    
	    clear_164();
		dis_164((ulong) i);//一定要进行长整型的转换
		delay(1);
	}	
}
//--------------------------------------------------