单片机仿真之ADC8032数模转换与显示.doc

程序：#include #include #define uint unsigned int#define uchar unsigned char#define delay4us() _nop_();_nop_();_nop_();_nop_();sbit RS = P20;sbit RW = P21;sbit E = P22;sbit CS = P10;sbit CLK = P11;sbit DIO = P12;uchar Display_Buffer = 0.00V;uchar code Line1 = Current Voltage:;void DelayMS(uint ms) uchar i;while(ms-) for(i=0;i120;i+);bit LCD_Busy_Check() bit result;RS = 0;RW = 1;E = 1;delay4us();result = (bit)(P0&0x80);E = 0;return result;void LCD_Write_Command(uchar cmd) while(LCD_Busy_Check();RS = 0;RW = 0;E = 0;_nop_();_nop_();P0 = cmd;delay4us();E = 1;delay4us();E = 0;void Set_Disp_Pos(uchar pos) LCD_Write_Command(pos | 0x80);void LCD_Write_Data(uchar dat) while(LCD_Busy_Check();RS = 1;RW = 0;E = 0;P0 = dat;delay4us();E = 1;delay4us();E = 0;void LCD_Initialise()LCD_Write_Command(0x38); DelayMS(1);LCD_Write_Command(0x0c); DelayMS(1);LCD_Write_Command(0x06); DelayMS(1);LCD_Write_Command(0x01); DelayMS(1);uchar Get_AD_Result() uchar i,dat1=0,dat2=0;CS = 0;CLK = 0;DIO = 1; _nop_(); _nop_();CLK = 1; _nop_(); _nop_();CLK = 0;DIO = 1; _nop_(); _nop_();CLK = 1; _nop_(); _nop_();CLK = 0;DIO = 1; _nop_(); _nop_();CLK = 1;DIO = 1; _nop_(); _nop_();CLK = 0;DIO = 1; _nop_(); _nop_();for(i=0;i8;i+) CLK = 1; _nop_(); _nop_();CLK = 0; _nop_(); _nop_();dat1 = dat1 1 | DIO;for(i=0;i8;i+) dat2 = dat2 (uchar)(DIO)i);CLK = 1; _nop_(); _nop_();CLK = 0; _nop_(); _nop_();CS = 1;return (dat1 = dat2) ? dat1:0;void main() uchar i;uint d;LCD_Initialise();DelayMS(10);while(1) d = Get_AD_Result()*500.0/255;Display_Buffer0=d/100+0;Display_Buffer2=d/10%10+0;Display_Buffer3=d%10+0;Set_Disp_Pos(0x01);i = 0;while(Line1i!=0) LCD_Write_Data(Line1i+1)