STC單片機推挽輸出驅(qū)動數(shù)碼管源程序原理圖與Proteus仿真代碼注釋很詳細

ID:161768 · 發(fā)表于 2017-5-7 21:03

下面是STC單片機推挽輸出驅(qū)動數(shù)碼管的proteus仿真原理圖（工程文件可到本帖附件中下載）：

單片機源程序如下：

//#include <reg51.h>
#include <STC12C5A60S2.h>
#define u8 unsigned char
#define u16 unsigned int
#define u32 unsigned long int
#define vtime 3000 //定時3ms，一幀8*3=24ms,頻率=40Hz
#define jz12 //jz132 :晶振選擇132.710400MH//jz12 :12MH
#ifdef jz12
//正常12MH
#define t8s_n 90
#define psv 4
#else
//132.7014MH
#define t8s_n 1000
#define psv 900
#endif
void delay(void);
//共陰數(shù)碼管段碼表
u8 code distable[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00};
//位選碼表
u8 code numi[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
//顯示緩存
u8 V_ram[]={0,0,3,4,5,6,7,8};
u8 Vm[]={0,0,3,4,5,6,7,8};
u8 wi=0,mn=0,nt=0,wbs=0; //位選循環(huán)變量
u8 t_l,t_h,bs=0;
u32 adv=0,adsum=0;
main() //m1:m0 00=標準； 01=推挽； 10=輸入； 11=開漏輸出
{
u16 i=0;
u16 temp=0;
//u32 temp0=0,temp1,temp2;
//m1:m0 00=標準； 01=推挽； 10=輸入； 11=開漏輸出
//P0M1 = 0X00;
// P0M0 = 0Xff;
// P2M1 = 0X00;
// P2M0 = 0Xff; //設(shè)定P0,P2推挽輸出
//P3M1 = 0Xff;
//P3M0 = 0X00;
P1M1 = 0x01;
P1M0 = 0x08;
TMOD = 0X50; //設(shè)定定時器0為16位計數(shù)方式
//TH0 = (65536-vtime )/256;
//TL0 = (65536-vtime )%256; //賦定時器0初值
AUXR=0x80; //選擇1T指令系統(tǒng)
//ET0 = 1; //開定時器0中斷
AUXR1=AUXR1|0x04;
P1ASF=0x01;
ADC_CONTR=0x80;
//TR0=1;
//PX1=1;
//PX0=1;
//PT1=1;
//IT0=1;
//IT1=1;
CCON = 0;
CL = 0;
CH = 0;
CMOD = 0X0F;
CCAP0H = 0X80;
CCAP0L = 0X80;
CCAPM0 = 0X42;
CCAPM1 = 0X00;
PCA_PWM0 = 0;
CR = 1;
EA = 1; //開總中斷
while(1)
{
if(ADC_CONTR&&0x10)
{
adv=((u32)ADC_RES<<8)+ADC_RESL;
ADC_CONTR=0x88;//ADC_CONTR & 0xef;
adsum=adsum+adv;
i++;
if(i==10000)
{
i=0;
adsum=adsum/10000;
if(adsum>1023)adsum=1023;
V_ram[0]=adsum/1000;
temp=adsum%1000;
V_ram[1]=temp/100;
temp=temp%100;
V_ram[2]=temp/10;
temp=temp%10;
V_ram[3]=temp/1;
//V_ram[4]=temp%10;
mn=~(adsum>>2);
adsum=0;
}
}
delay();
}
}
void delay()
{
u16 x,y,z;
for(x=3;x>0;x--)
for(y=3;y>0;y--)
for(z=3;z>0;z--);
}
void t0_isp() interrupt 1 using 2 //13位計時中斷
{
u8 dm,wx;
dm=distable[V_ram[wi]]; //取顯示段碼
//if(wi==wbs)dm=dm|0x80;
wx=numi[wi]; //取位選碼
P2=0x00; //關(guān)顯示
P0=dm; //段碼賦給P0口
P2=wx; //點亮位選的那個數(shù)碼管
wi++;
if(wi==4)wi=0;
}
void pca_isp() interrupt 7 //using 1 //計時開始中斷
{
CF = 0;
CCAP0H=mn;
//CCAP0H++;
}
void int0_isp() interrupt 0 using 1 //計時開始中斷
{
}
void int1_isp() interrupt 2 using 3 //計時結(jié)束中斷
{
}
void t1_isp() interrupt 3 //using 1 //計時開始中斷