电子称驱动程序

1、#include #include #include #include#include#define uint unsigned int#define uchar unsigned charsbit ADDO = P1A1;/DOUTsbit ADSK = P1A2;/SCKsbit RS = P2A7;sbit RW = P2A6;sbit E = P2A5;long Count=0; 转换结果变量/float t=0;float n=0;/float y=0;long x=0;float vin;long weghit;uchar Display_Buffer216 = (,(CV)= 0

2、000.00g ;/函数声明unsigned long ReadCount();/获取指定通道的A/D转换结果 void Refesh_Disp_Buffer();/ 刷新显示缓冲/延时程序 /*void DelayMS(uint X) /uchar i;while(X-);/ for(i=0;i30;i+); */ void DelayMS(unsigned int t) while(-t);/*void DelayMS(unsigned char t) while(t-)大致延时1mSDelayUs2x(245);DelayUs2x(245);*/忙等待/void LCD_Busy_Che

3、ck()while(Read_State()& 0 x80!=0 x80);DelayMS(1);/*清屏函数*/向LCD写入命令/void LCD_Write_Command(uchar cmd)LCD_Busy_Check();RS = 0;RW = 0;E = 0;P0 = cmd;E = 1;DelayMS(1);E = 0;/向LCD写入数据/void Write_LCD_Data(uchar dat)LCD_Busy_Check();RS = 1;RW = 0;E = 0;PO n daU?;De_ayMS(l)；En。；二7LCD W2N=void -nma=zeLCD1602(

4、) fLCDIWrKecommandox38)；De-ayMS(l)yMEBrt 簪窟木厕*8a4l印17 5X7 IGrswLCDIWrKecommandoxoc)；De-ayMS(l亦 LCDIWrKecommandoxo6)；De_ayMS(l)；MAH 澜tlmy主面smN5:Nwh=e(l)ffor(jno;K2;j+)fa#。)fLCDIWelcommandox8。)；、面 LCD 夺5萍rt堂M0 ZTert/印斗LCDDisp-ayosp-ayBuffeE)；、/ LCDbTml册e-seLCD_Write_Command(0 xC0);/写 LCD命令，设置从第1行位置开始显

5、示LCD_Display(Display_Bufferj);/在 LCD 上显示字符串Refesh_Disp_Buffer(); /刷新显示缓冲unsigned long ReadCount(void)unsigned char i;ADDO=1;ADSK=0;Count=0;while(ADDO);for (i=0;i24;i+)ADSK=1;Count=Count1;ADSK=0;if(ADDO)Count+;ADSK=1;Count=CountA0 x800000;ADSK=0;return(Count);/刷新显示缓冲/void Refesh_Disp_Buffer() uchar m

6、;for(m=0;m45;m+)ReadCount();/A/D 转换n=n+Count; n=n/45;if(n0)vin=2*(0 x1000000-n)*5.0/1280 x1000000;weghit=(vin*10000000)-399966);elsevin=2*n*5.0/12跑X1000000;weghit=(399965-(vin*10000000)*5;x= weghit-15500;if(x100)x=0;Display_Buffer16 = x/100000+0;Display_Buffer17 = x/10000%10+0; 整数位Display_Buffer18 = x/1000%10