LCD1602+ADC0832制作的数字电压表.doc

ADC0832+LCD1602+PROTEUS仿真电路C51程序/*/LCD1602+ADC0832制作的数字电压表/接口方式：模拟口线/作者：曾宪阳/网址：/zxymcu/*#include#include#defineucharunsignedchar#defineuintunsignedint#defineIO_1602P0/IO口sbitRS_1602=P20;sbitRW_1602=P21;sbitE_1602=P22;sbitCS=P10;sbitCLK=P11;sbitDIO=P12;voiddelay_ms(unsignedintt)/11.0592MHz1msucharx,y;for(t;t0;t-)for(x=0;x114;x+)for(y=0;y1;y+);voidWr1602Cmd(unsignedchardat)/写命令函数E_1602=0;IO_1602=dat;RS_1602=0;RW_1602=0;E_1602=1;delay_ms(1);E_1602=0;delay_ms(1);voidWr1602Dat(unsignedchardat)/写数据函数E_1602=0;IO_1602=dat;RS_1602=1;RW_1602=0;E_1602=1;delay_ms(1);E_1602=0;delay_ms(1);voidInit1602(void)delay_ms(20);Wr1602Cmd(0x38);delay_ms(5);Wr1602Cmd(0x38);delay_ms(5);Wr1602Cmd(0x06);Wr1602Cmd(0x0c);/Wr1602Cmd(0x01);/清屏Wr1602Cmd(0x80);/设置地址ucharRdAdc0832(bitHx)ucharvalue0,value1,i;CS=1;CLK=0;DIO=1;CS=0;DIO=1;_nop_();_nop_();_nop_();_nop_();/写ST位CLK=1;_nop_();_nop_();_nop_();_nop_();CLK=0;_nop_();_nop_();_nop_();_nop_();DIO=1;_nop_();_nop_();_nop_();_nop_();/写SGL位CLK=1;_nop_();_nop_();_nop_();_nop_();CLK=0;_nop_();_nop_();_nop_();_nop_();DIO=Hx;_nop_();_nop_();_nop_();_nop_();/写通道号位CLK=1;_nop_();_nop_();_nop_();_nop_();CLK=0;_nop_();_nop_();_nop_();_nop_();DIO=1;for(i=0;i8;i+)CLK=1;_nop_();_nop_();_nop_();_nop_();CLK=0;_nop_();_nop_();_nop_();_nop_();value0=1;if(DIO=1)value0|=0x01;elsevalue0&=0xfe;for(i=0;i=1;if(DIO=1)value1|=0x80;elsevalue1&=0x7f;CLK=1;_nop_();_nop_();_nop_();_nop_();CLK=0;_nop_();_nop_();_nop_();_nop_();CS=1;if(value0!=value1)P1&=0X7F;elseP1|=0X80;returnvalue0;voidmain()unsignedlongi;Init1602();while(1)Wr1602Cmd(0x80);i=RdAdc0832(0);i=(i*5000/255);Wr1602Dat(C);Wr1602Dat(H);Wr1602Dat(0);Wr1602Dat(=);Wr1602Dat(0+i/1000);Wr1602Dat(.);Wr1602Dat(0+i%1000/100);Wr1602Dat(0+i%1000%100/10);Wr1602Dat(0+i%1000%100%10);Wr1602Dat(V);Wr1602Cmd(0xC0);i=RdAdc0832(1);i=(i*5000/255);Wr1602Dat(C);Wr1602Dat(H);Wr1602Dat(1);Wr1602Dat(=);Wr1602Dat(0+i/1000);Wr1602Dat(.);Wr1602Dat(0+i%1000/100);Wr1602Dat(0+i%1000%100/10);Wr1602Dat(0+i%1000%100%10);Wr1602Dat(V);LCD1602+ADC0809制作的数字电压表-总线连接方式/*/LCD1602+ADC0809制作的数字电压表/接口方式：总线扩展/作者：曾宪阳/网址：/zxymcu/*#include#defineADC0809Addr0x78ff#defineLCDWriteComAddr0xa7ff#defineLCDWriteDatAddr0xafff#defineucharunsignedchar#defineuintunsignedintucharDisp6;voiddelay_ms(uintt)ucharx,y;for(t;t0;t-)for(x=0;x114;x+)for(y=0;y1;y+);voidInit1602(void)delay_ms(15);*(ucharxdata*)LCDWriteComAddr)=0x38;delay_ms(5);*(ucharxdata*)LCDWriteComAddr)=0x38;delay_ms(5);*(ucharxdata*)LCDWriteComAddr)=0x38;delay_ms(2);*(ucharxdata*)LCDWriteComAddr)=0x08;delay_ms(2);*(ucharxdata*)LCDWriteComAddr)=0x01;delay_ms(2);*(ucharxdata*)LCDWriteComAddr)=0x0c;delay_ms(2);*(ucharxdata*)LCDWriteComAddr)=0x06;delay_ms(2);*(ucharxdata*)LCDWriteComAddr)=0x80;delay_ms(2);voidDisplay(void)*(ucharxdata*)LCDWriteComAddr)=0XC0;delay_ms(2);*(ucharxdata*)LCDWriteDatAddr)=I;delay_ms(2);*(ucharxdata*)LCDWriteDatAddr)=N;delay_ms(2);*(ucharxdata*)LCDWriteDatAddr)=0;delay_ms(2);*(ucharxdata*)LCDWriteDatAddr)=;delay_ms(2);*(ucharxdata*)LCDWriteDatAddr)=(0+Disp0);delay_ms(2);*(ucharxdata*)LCDWriteDatAddr)=(.);delay_ms(2);*(ucharxdata*)LCDWriteDatAddr)=(0+Disp1);delay_ms(2);*(ucharxdata*)LCDWriteDatAddr)=(0+Disp2);delay_ms(2);*(ucharxdata*)LCDWriteDatAddr)=(0+Disp3);delay_ms(2);*(ucharxdata*)LCDWriteDatAddr)=(V);delay_ms(2);voidADC0809(void)unsignedlongi;*(ucharxdata*)ADC0809Addr)=0;delay_ms(100);i=*(