#include <AT89X52.h>
#include <intrins.h>
#include <stdlib.h>
#define TRUE 1
#define FALSE 0
bit bT0Flg = FALSE;
//U2 595的驅動引腳定義
sbit sbSHCP2 = P2^0;
sbit sbDS2 = P2^1;
sbit sbSTCP2 = P2^2;
//U3 595的驅動引腳定義
sbit sbSHCP3 = P2^3;
sbit sbDS3 = P2^4;
sbit sbSTCP3 = P2^5;
//U4 595的驅動引腳定義
sbit sbSHCP4 = P2^6;
sbit sbDS4 = P2^7;
sbit sbSTCP4 = P3^0;
//U5 595的驅動引腳定義
sbit sbSHCP5 = P3^1;
sbit sbDS5 = P3^3;
sbit sbSTCP5 = P3^4;
//U6 595的驅動引腳定義
sbit sbSHCP6 = P3^5;
sbit sbDS6 = P3^6;
sbit sbSTCP6 = P3^7;
unsigned char temp2,temp3,temp4,temp5,temp6;
bdata unsigned char sw; //位定義
sbit sw0 = sw ^ 0;
sbit sw1 = sw ^ 1;
sbit sw2 = sw ^ 2;
sbit sw3 = sw ^ 3;
sbit sw4 = sw ^ 4;
sbit sw5 = sw ^ 5;
sbit sw6 = sw ^ 6;
sbit sw7 = sw ^ 7;
unsigned char code SEGtable[]=
{
0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,
};
/*
void Delay(unsigned int x)
{
unsigned char i;
while(x--)
{
for(i=0;i<120;i++);
}
} */
//595輸入函數2號
void Input5952()
{
unsigned char i;
for(i=0;i<8;i++)
{
temp2 <<= 1;
sbDS2 = CY;
sbSHCP2 = 1;
_nop_();
_nop_();
sbSHCP2 = 0;
}
}
//595輸出函數2號
void Output5952()
{
sbSTCP2 = 0;
_nop_();
sbSTCP2 = 1;
_nop_();
sbSTCP2 = 0;
}
//595輸入函數3號
void Input5953()
{
unsigned char i;
for(i=0;i<8;i++)
{
temp3 <<= 1;
sbDS3 = CY;
sbSHCP3 = 1;
_nop_();
_nop_();
sbSHCP3 = 0;
}
}
//595輸出函數3號
void Output5953()
{
sbSTCP3 = 0;
_nop_();
sbSTCP3 = 1;
_nop_();
sbSTCP3 = 0;
}
//595輸入函數4號
void Input5954()
{
unsigned char i;
for(i=0;i<8;i++)
{
temp4 <<= 1;
sbDS4 = CY;
sbSHCP4 = 1;
_nop_();
_nop_();
sbSHCP4 = 0;
}
}
//595輸出函數4號
void Output5954()
{
sbSTCP4 = 0;
_nop_();
sbSTCP4 = 1;
_nop_();
sbSTCP4 = 0;
}
//595輸入函數5號
void Input5955()
{
unsigned char i;
for(i=0;i<8;i++)
{
temp5 <<= 1;
sbDS5 = CY;
sbSHCP5 = 1;
_nop_();
_nop_();
sbSHCP5 = 0;
}
}
//595輸出函數5號
void Output5955()
{
sbSTCP5 = 0;
_nop_();
sbSTCP5 = 1;
_nop_();
sbSTCP5 = 0;
}
//595輸入函數6號
void Input5956()
{
unsigned char i;
for(i=0;i<8;i++)
{
temp6 <<= 1;
sbDS6 = CY;
sbSHCP6 = 1;
_nop_();
_nop_();
sbSHCP6 = 0;
}
}
//595輸出函數6號
void Output5956()
{
sbSTCP6 = 0;
_nop_();
sbSTCP6 = 1;
_nop_();
sbSTCP6 = 0;
}
void initrand(void)
{
unsigned char counter=0;
P1 = 0xff;
sw = P1;
counter = 0; //統計開關閉合的數碼
if(sw0 == 1)
{
counter++;
}
if(sw1 == 1)
{
counter++;
}
if(sw2 == 1)
{
counter++;
}
if(sw3 == 1)
{
counter++;
}
if(sw4 == 1)
{
counter++;
}
if(sw5 == 1)
{
counter++;
}
if(sw6 == 1)
{
counter++;
}
if(sw7 == 1)
{
counter++;
}
srand(counter); //初始化種子
}
void Timer0Init(void) //定時器0初始化函數
{
TMOD = 0x01; //設置T1工作方式
TH0 = 0x00;
TL0 = 0x0C; //100ms定時
ET0 = 1; //開啟定時器0中斷
// TR0 = 1; //啟動定時器
}
void Timer0Deal(void) interrupt 1 using 1 //定時器0中斷處理函數
{
ET0 = 0; //首先關閉中斷
TH0 = 0x00; //然后重新裝入預制值
TL0 = 0x0C;
ET0 = 1; //打開T0中斷
bT0Flg = TRUE; //定時器中斷標志位
}
EX_INT0() interrupt 0 using 1 //外部中斷0服務函數
{
if(TR0 == 1) //判斷當前定時計數器的狀態
{
TR0 = 0;
}
else
{
TR0 = 1;
initrand(); //初始化種子
}
}
void main()
{
unsigned int randdata = 0;
unsigned char wdata,qdata,baidata,sdata,gdata;
Timer0Init(); //初始化時鐘
IT0 = 1; //設置外部中斷0觸發方式為低脈沖
EX0 = 1; //使能外部中斷0
EA = 1; //打開串口中斷標志
while(1)
{
while(bT0Flg==FALSE); //等待延時標志位
bT0Flg=FALSE;
randdata = 2 * rand(); //獲得隨機數
wdata = randdata/10000; //輸出萬位
temp2 = SEGtable[wdata];
Input5952();
Output5952();
qdata = randdata%10000/1000; //輸出千位
temp3 = SEGtable[qdata];
Input5953();
Output5953();
baidata = randdata%1000/100; //輸出百位
temp4 = SEGtable[baidata];
Input5954();
Output5954();
sdata = randdata%100/10; //輸出10位
temp5 = SEGtable[sdata];
Input5955();
Output5955();
gdata = randdata%10; //輸出個位
temp6 = SEGtable[gdata];
Input5956();
Output5956();
}
}
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