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標(biāo)題: 51單片機(jī)，按鍵控制電動(dòng)機(jī)+1602顯示 [打印本頁]

作者: moose 時(shí)間: 2015-10-14 13:45
標(biāo)題: 51單片機(jī)，按鍵控制電動(dòng)機(jī)+1602顯示
#include <reg51.h>
#define uchar unsigned char
#define uint unsigned int
#define CWD Moto1=1;Moto2=0
#define CCWD Moto1=0;Moto2=1
#define stop Moto1=1;Moto2=1
#define LcdData P0

sbit RS=P2^0;
sbit RW=P2^1;
sbit E=P2^2;
sbit FuncKey=P1^2; //
sbit IncKey=P1^0;//
sbit DecKey=P1^1; //
sbit Moto1=P2^3; //
sbit Moto2=P2^4;

bit MotoStatus;
bit PulseStatus;//PWM

unsigned char NumChange;
unsigned char HPulseNum; //
unsigned char LPulseNum; //

void Delayms(unsigned int xms);  //ms
void KeyScan(void);//按鍵檢測(cè)
void WriteLcd(unsigned char Dat,bit x); //1602LCD
void InitLCD(void);  //初始化1602函數(shù)
void InitInt05T0(void);  //初始化定時(shí)器中斷T0
void StatusLCD(void);

unsigned char FirstLine[15]={"MotoStatus: CWD"};//1602LCD顯示
unsigned char SecondLine[8]={"H/L:  0%"};

void Delayms(unsigned int xms)
{
unsigned int i,j;
for(i=xms; i>0; i--)
for(j=110; j>0; j--);
}

void WriteLcd(uchar Dat,bit x)//寫指令x=0,寫數(shù)據(jù)x=1
{
E=0;
LcdData=Dat;
RS=x;
RW=0;
E=1;
Delayms(1);
E=0;
}

void InitLcd(void)
{
WriteLcd(0x38,0);//功能開關(guān)(38H)
WriteLcd(0x0C,0);//顯示開關(guān)(0CH)
WriteLcd(0x06,0);//輸入模式(06H)
WriteLcd(0x01,0);//清除顯示(01H)
WriteLcd(0x02,0);//光標(biāo)返回指令(02H or 03H)
}
void StatusLCD(void)
{
if(!MotoStatus)  //˳順時(shí)針CWD
{
FirstLine[11]=' ';
FirstLine[12]='C';
FirstLine[13]='W';
FirstLine[14]='D';
}
else//逆時(shí)針
{
   FirstLine[11]='C';
FirstLine[12]='C';
FirstLine[13]='W';
FirstLine[14]='D';
}
if(NumChange<100)
SecondLine[4]= ' ';
else //取占空比百位轉(zhuǎn)換ASCLL碼
SecondLine[4]=NumChange/100+0x30;
if(NumChange<10)
SecondLine[5]= ' ';
else  //取占空比十位轉(zhuǎn)換ASCLL碼
SecondLine[5]=NumChange%100/10+0x30;
SecondLine[6]=NumChange%10+0x30;
}

void InitInt0T0( void)
{
TMOD=0X02;
EA=1;
EX0=1;
ET0=1;
PX0=1;
PT0=0;
IT0=1;
TH0=6;
TL0=6;
TR0=1;
}

void KeyScan(void)
{
if(!FuncKey)
{
Delayms(10);
if(!FuncKey)
{
while(!FuncKey);
MotoStatus=~MotoStatus;
}
}
if(!IncKey)
{
Delayms(10);
if(!IncKey)
{
while(!IncKey);
NumChange+=10;
if(NumChange>=100)NumChange=100;
}
}
if(!DecKey)
{
Delayms(10);
if(!DecKey)
{
while(!DecKey);
NumChange-=10;
if ((NumChange<10)|(NumChange>100))NumChange=0;
}
}

}

void Int0Serv( ) interrupt 0
{
KeyScan();
}
void T0Serv()interrupt 1
{
if(!PulseStatus)
{
if(HPulseNum--!=0)
{
if(!MotoStatus)
{
CWD;
}
else
{
CCWD;
}
}
else
{
PulseStatus=!PulseStatus;
LPulseNum=100-NumChange;
}
}
else
{
if(LPulseNum--!=0)
{
stop;
}
else
{
PulseStatus=!PulseStatus;
HPulseNum=NumChange;
}
}
}

void main()
{
uchar y;
InitLCD();
InitInt0T0();
HPulseNum=NumChange;

while(1)
{
StatusLCD();
WriteLcd(0x80,0);
for(y=0; y<15; y++)
WriteLcd(FirstLine[y],1);

WriteLcd(0xc0,0);
for(y=0; y<8; y++)
WriteLcd(SecondLine[y],1);

}

}

作者: admin 時(shí)間: 2015-10-14 13:56
樓主能分享一下電路圖嗎？

作者: moose 時(shí)間: 2015-10-14 15:31

admin 發(fā)表于 2015-10-14 13:56
樓主能分享一下電路圖嗎？

就這個(gè)了

電路圖.PNG (57.01 KB, 下載次數(shù): 172)

按鍵+1602

作者: lxa0 時(shí)間: 2015-10-14 21:17
感覺H橋電路有問題
不知樓主實(shí)際試驗(yàn)過嗎?

作者: moose 時(shí)間: 2015-10-15 17:45
沒有，只仿真了

作者: ls0899 時(shí)間: 2015-10-15 21:05
對(duì)1602一直不熟悉

作者: fyang 時(shí)間: 2015-10-15 22:35
看得不怎么明白

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