main.c

来自「单片机c语言程序设计100例--基于PIC+PROTEUS」· C语言 代码 · 共 57 行

//-----------------------------------------------------------------
//  名称: 8×8LED点阵屏显示数字
//-----------------------------------------------------------------
//  说明: 8×8LED点阵屏循环显示数字0-9,刷新过程由定时器中断完成
//   
//-----------------------------------------------------------------
#include <pic.h>
#define INT8U   unsigned char
#define INT16U  unsigned int
#define _XTAL_FREQ 1000000UL

//数字0~9的8*8点阵编码
const INT8U Table_OF_Digits[] = 
{  
    0x00,0x3C,0x66,0x42,0x42,0x66,0x3C,0x00,//0     
    0x00,0x08,0x38,0x08,0x08,0x08,0x3E,0x00,//1    
    0x00,0x3C,0x42,0x04,0x08,0x32,0x7E,0x00,//2    
    0x00,0x3C,0x42,0x1C,0x02,0x42,0x3C,0x00,//3    
    0x00,0x0C,0x14,0x24,0x44,0x3C,0x0C,0x00,//4    
    0x00,0x7E,0x40,0x7C,0x02,0x42,0x3C,0x00,//5    
    0x00,0x3C,0x40,0x7C,0x42,0x42,0x3C,0x00,//6    
    0x00,0x7E,0x44,0x08,0x10,0x10,0x10,0x00,//7    
    0x00,0x3C,0x42,0x24,0x5C,0x42,0x3C,0x00,//8    
    0x00,0x38,0x46,0x42,0x3E,0x06,0x3C,0x00 //9    
};

//------------------------------------------------------------------
// 主程序
//------------------------------------------------------------------
void main() 
{    
    TRISB = TRISC = 0x00;                            //配置端口







} 

//-----------------------------------------------------------------
// TMR0溢出中断控制点阵屏刷新显示
//-----------------------------------------------------------------
void interrupt TMR0_OVR_Interrupt()
{
   static INT8U  i = 0, Num_Index = 0;
   static INT16U t = 0;
   if (T0IE & T0IF)
   {        




   } 
}