AD1549的LCD12864液晶顯示程序

AD1549的LCD12864液晶顯示程序

#include"reg52.h"
#include"intrins.h"

sbitAD_CS=P3^7;
sbitAD_DAT=P3^5;
sbitAD_CLK=P3^4;

sbitRS=P3^6;//RS="H",表示DB7--DB0為顯示數(shù)據(jù),
//RS="L",表示DB7--DB0為顯示指令數(shù)據(jù)

sbitWRD=P2^5;//R/W="H",E="H",數(shù)據(jù)被讀到DB7--DB0
//R/W="L",E="H→L",DB7--DB0的數(shù)據(jù)被寫(xiě)到IR或DR

sbitE=P2^6;//使能信號(hào)

sbitPSB=P2^3;//H:并口方式L:串口方式




voidTransferData(chardata1,bitDI);//傳送數(shù)據(jù)或者地址命令(data),
//當(dāng)DI=0是,傳送命令,當(dāng)DI=1,傳送數(shù)據(jù).
voiddisplay(void);
voiddisplay_grapIC(void);

voiddelay(unsignedintm);
voiddelayms(unsignedintn);

voidDisplayLine(unsignedcharline1,unsignedcharline2);
voidDisplayGraphic(unsignedcharcode*adder);

voidlcd_mesg(unsignedcharcode*adder1);


voidlcd_wxs1(unsignedintj);
voidlcd_wxs2(unsignedintq);
voidlcd_wxs3(unsignedintp);
voidlcd_wxs4(unsignedintk);


unsignedinti,j,q,p,k;//
unsignedintAD_Temp,Temp,TempA;

unsignedcharcodeIC_DAT[]={
"精密電壓表測(cè)試儀"
"當(dāng)前電壓值為"
"佳瑞電子有限公司"
"*********"
};

unsignedchardata1[]={"0123456789.V"};
/***************存放要顯示的數(shù)字值********/

unsignedcharval[4];//

/***************延時(shí)的子程序***************/

voiddelayms(unsignedintn)//延時(shí)10×n毫秒程序
{
unsignedinti,j;
for(i=0;ifor(j=0;j<2000;j++);
}

voiddelay(unsignedintm)//延時(shí)程序
{
unsignedinti,j;
for(i=0;ifor(j=0;j<10;j++);
}


/**********TLC1549數(shù)據(jù)讀取子程序************/

TLC1549()
{
TempA=0;
Temp=0;
AD_CS=1;
AD_CLK=1;
AD_DAT=1;
AD_CS=0;

_nop_();
for(i=0;i<2;i++)
{
AD_CLK=0;
_nop_();
if(AD_DAT)
{Temp+=0x01;}
Temp=Temp<<1;
AD_CLK=1;
_nop_();
}
for(i=0;i<8;i++)
{
AD_CLK=0;
_nop_();
if(AD_DAT)
{TempA+=0x01;}
TempA=TempA<<1;
AD_CLK=1;
_nop_();
}
AD_CLK=1;
AD_CS=1;
AD_Temp=Temp*338+TempA;
P0=AD_Temp;

j=2*AD_Temp/1000;
q=2*AD_Temp%1000/100;
p=2*AD_Temp%1000%100/10;
k=2*AD_Temp%1000%100%10;


}

/***************LCD字庫(kù)初始化程序*********************/
voidinitinal(void)
{
delay(40);//大于40MS的延時(shí)程序
PSB=1;//設(shè)置為8BIT并口工作模式
delay(1);//延時(shí)
//RES=0;//復(fù)位
//delay(1);//延時(shí)
//RES=1;//復(fù)位置高
delay(10);
TransferData(0x30,0);//ExtendedFunctionSet:8BIT設(shè)置,RE=0:basicinstructionset,G=0:graphicdisplayOFF
delay(100);//大于100uS的延時(shí)程序
TransferData(0x30,0);//FunctionSet
delay(37);////大于37uS的延時(shí)程序
TransferData(0x08,0);//DisplayonControl
delay(100);//大于100uS的延時(shí)程序
TransferData(0x10,0);//CursorDisplayControl光標(biāo)設(shè)置
delay(100);//大于100uS的延時(shí)程序
TransferData(0x0C,0);//DisplayControl,D=1,顯示開(kāi)
delay(100);//大于100uS的延時(shí)程序
TransferData(0x01,0);//DisplayClear清屏
delay(10);//大于10mS的延時(shí)程序
TransferData(0x06,0);//EnryModeSet,光標(biāo)從右向左加1位移動(dòng)
delay(100);//大于100uS的延時(shí)程序
}


//*************顯示函數(shù)******************************

voidlcd_mesg(unsignedcharcode*adder1)
{
unsignedchari;
TransferData(0x80,0);//SetGraphicDisplayRAMAddress傳地址指令
delay(100);
for(i=0;i<16;i++)
{
TransferData(*adder1,1);
adder1++;
}

TransferData(0x90,0);//SetGraphicDisplayRAMAddress
delay(100);

for(i=32;i<64;i++)
{
TransferData(*adder1,1);
adder1++;
}
}
//*************位置顯示函數(shù)******************************

voidlcd_wxs1(unsignedintadder2)
{
TransferData(0x8A,0);//SetGraphicDisplayRAMAddress傳地址指令
delay(100);
TransferData(adder2,1);
}

voidlcd_wxs2(unsignedintadder3)
{
TransferData(adder3,1);
}

voidlcd_wxs5(unsignedintadder6)
{
TransferData(adder6,1);
}

voidlcd_wxs3(unsignedintadder4)
{
TransferData(adder4,1);
}

voidlcd_wxs4(unsignedintadder5)
{
TransferData(adder5,1);
}

voidlcd_wxs6(unsignedintadder7)
{
TransferData(adder7,1);
}
//********寫(xiě)命令/數(shù)據(jù)*******************************

voidTransferData(chardata1,bitDI)//傳送數(shù)據(jù)或者命令,當(dāng)DI=0是,傳送命令,
{//當(dāng)DI=1,傳送數(shù)據(jù).
WRD=0;//R/W="H",E="H",數(shù)據(jù)被讀到DB7--DB0,R/W="L",E="H→L",DB7--DB0的數(shù)據(jù)被寫(xiě)到IR或DR
RS=DI;//RS="H",表示DB7--DB0為顯示數(shù)據(jù),RS="L",表示DB7--DB0為顯示指令數(shù)據(jù)
delay(1);
P0=data1;
E=1;
delay(1);
E=0;
}
//************延　時(shí)*******************************************



/*主程序入口*/
intmain(void)
{initinal();
delay(10);//大于100uS的延時(shí)程序
lcd_mesg(IC_DAT);//顯示中文漢字1
delayms(100);
while(1)
{
TLC1549();
lcd_wxs1(data1[j]);
lcd_wxs5(data1[10]);
lcd_wxs2(data1[q]);
lcd_wxs3(data1[p]);
lcd_wxs4(data1[k]);
lcd_wxs6(data1[11]);
delayms(20);

}
}