TLC2543应用程序电压LCD显示.doc

#include#include#include#define uchar unsigned char #define uint unsigned int sbit RS=P06;sbit E=P07; /LCD 引脚定义sbit clk_lcd=P05;#define adata P1uchar idata DispRam64;sbit EOC=P23;/转换结束端sbit CLK=P24;/输入输出时钟端sbit DATA_IN=P25;/串行数据输出端sbit DATA_OUT=P26;/AD 转换结果 三态串行输出端sbit CS=P27;uchar code num10=0123456789;uchar code Select_channel11=0x0c,0x1c,0x2c,0x3c,0x4c,0x5c,0x6c,0x7c,0x8c,0x9c,0xac;/*LCD*/void delayms(uint xms)uint i,j;for(i=xms;i0;i-)for(j=110;j0;j-);/void Disp_clr()memset(DispRam, ,64);/void WriteIR(uchar cmd)/RW=0;RS=0;adata=cmd;delayms(5);clk_lcd =0; _nop_(); clk_lcd =1;E=1;delayms(20);E=0;/void WriteDATA(uchar c)RS=1;adata=c;delayms(5);clk_lcd=0;_nop_();clk_lcd=1;E=1;delayms(20);E=0;/void Init_LCD(void)delayms(100);Disp_clr();WriteIR(0x38);/基本指令delayms(20); WriteIR(0x38);delayms(20);WriteIR(0x38);delayms(20);WriteIR(0x01);/clear displaydelayms(20);WriteIR(0x06);/设定游标的移动方向及指定显示的移位delayms(20);WriteIR(0x0c);/显示开，关光标delayms(20); void Display_auto(uchar x,uchar ad,uchar *p_string)uchar k=0;if(x16)for(k=ad;kad+x;k+) DispRamk=*p_string+;delayms(2);elsefor(k=0;k48;k+)DispRam63-k=DispRam47-k;delayms(2);for(k=0;k16;k+)DispRamk=*p_string+;delayms(2); WriteIR(0x80);for(k=48;k64;k+)WriteDATA(DispRamk);delayms(2); WriteIR(0x90); for(k=32;k48;k+) WriteDATA(DispRamk); delayms(2); WriteIR(0x88); for(k=16;k32;k+) WriteDATA(DispRamk); delayms(2); WriteIR(0x98); for(k=0;k16;k+) WriteDATA(DispRamk); delayms(2); /*/*TLC2543*uint Read_TLC2543(uchar channel_select) uchar ctl_word=0; uint result=0; uchar i; result=0; ctl_word=Select_channelchannel_select; while(EOC=0); CS=0; CLK=0; for(i=0;i16;i+) if(ctl_word&0x80) DATA_IN=1; else DATA_IN=0; CLK=1; ctl_word=1; result=4; return(result); /*float Readvalue_TLC2543(uchar channel) uint temp3=0,0,0; float value=0.0; uchar ch=0; uchar i=0; ch=channel; for(i=0;i0) vol_dis0=numbw; if(bw0)|(sw0) vol_dis1=numsw; vol_dis2=numgw; vol_dis3=0x2e; vol_dis4=numfw; vol_dis5=numsfw; vol_dis6=numbfw; vol_dis15=V; Display_auto(16,0,vol_dis);/*MAIN函数*/void mai