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51單片機(jī)實(shí)現(xiàn)光源的跟蹤

作者： 時(shí)間：2016-11-27 來源：網(wǎng)絡(luò) 收藏
unsigned int show_ADC_result_ch0()
{
unsigned long int VCC1;
unsigned int A1,B1,C1,D1,i;
VCC1=0;
for(i=0;i<8;i++)
{
VCC1=VCC1+get_ADC_result(0);}
VCC1=VCC1/8;
VCC1=get_ADC_result(0);
VCC1=(long int)VCC1*10000/1024*5;
A1=VCC1/10000;
B1=VCC1000/1000;
C1=VCC100000/100;
D1=VCC1000000/10;
Send(0x56);//V
Send(0x31); //1
Send(0x3D);//=
Send(A1+48);
Send(0x2E);//.
Send(B1+48);
Send(C1+48);
Send(D1+48);
//Send(0xD); //回車
//Send(0xA); //換行
return(A1*1000+B1*100+C1*10+D1);
}
unsigned int show_ADC_result_ch1()
{
long int VCC2;
unsigned int A2,B2,C2,D2,i;
VCC2=0;
for(i=0;i<8;i++)
{
VCC2=VCC2+get_ADC_result(1);}
VCC2=VCC2/8;
VCC2=get_ADC_result(1);
VCC2=(long int)VCC2*10000/1024*5;
A2=VCC2/10000;
B2=VCC2000/1000;
C2=VCC200000/100;
D2=VCC2000000/10;
Send(0x56);//V
Send(0x32); //1
Send(0x3D);//=
Send(A2+48);
Send(0x2E);//.
Send(B2+48);
Send(C2+48);
Send(D2+48);
//Send(0xD); //回車
//Send(0xA); //換行
return(A2*1000+B2*100+C2*10+D2);
}
void uart_init()
{
TMOD=0x20; //TMOD=0010 0000B，定時(shí)器T1工作于方式2
SM0=0; //選擇串行口工作方式1
SM1=1;
TH1=0xfa; //根據(jù)規(guī)定給定時(shí)器T1賦初值9600波特率
TL1=0xfa; //根據(jù)規(guī)定給定時(shí)器T1賦初值
TR1=1; //啟動定時(shí)器T1
}
void Send(unsigned char dat)
{
SBUF=dat;
while(TI==0);
TI=0;
}
void positive_turn(unsigned int count)
{
P2_0=1;
P2_1=0;
CMOD = 0x00;//設(shè)置PCA時(shí)鐘周期 系統(tǒng)時(shí)鐘12分頻 fosc/12
CL = 0x00; //初值設(shè)置
CH = 0x00;
CCAP0L = count; //設(shè)置初始占空比為25%
CCAP0H = count;//占空比 設(shè)置的是低電平的時(shí)間
CCAPM0 = 0X42;//PWM模式
CR = 1;//開啟PCA計(jì)數(shù)器
}
void negative_turn(unsigned int count)
{
P2_0=0;
P2_1=1;
CMOD = 0x00;//設(shè)置PCA時(shí)鐘周期 系統(tǒng)時(shí)鐘12分頻 fosc/12
CL = 0x00; //初值設(shè)置
CH = 0x00;
CCAP0L = count; //設(shè)置初始占空比為25%
CCAP0H = count;//占空比 設(shè)置的是低電平的時(shí)間
CCAPM0 = 0X42;//PWM模式
CR = 1;//開啟PCA計(jì)數(shù)器
}
void stop_turn()
{
P1_3=1;
P2_0=1;
P2_1=1;
}
void delay(unsigned int a)
{
unsigned int b,i,tt;
b=a;
for(i=1;i
{tt=60000;
while(tt--);}
}
void delay_10ms()
{
TMOD=0x01;
TF0=0;
TH0=(65536-18433)/256;//10ms
TL0=(65536-18433)%6;
TR0=1;
while(!TF0);
TR0=0;
}
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