ADuC845各外设源代码

#include <ADuC845.h> #include<string.h> #define uint unsigned int #define uchar unsigned char sbit RE1=P2^2; sbit DE1=P2^1; sbit RE2=P2^5; sbit DE2=P2^4; sbit rs=P2^3; sbit rw=P2^4; sbit en=P2^5; uchar word,flag,date1,date2,date3,date4,date5,date6,date7; float vol,angle; long int dat; uchar code table[]="VOL:"; uchar code table1[]="DAT:"; uchar code table2[]="ANG:"; void Delay(uint z) { uint x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } void Write_Com(uchar com) { rs=0; en=0; P0=com; Delay(5); en=1; Delay(5); en=0; } void Write_Date(uchar date) { rs=1; en=0; P0=date; Delay(5); en=1; Delay(5); en=0; } void Display_Str(uchar *p) { uchar i,k; k=strlen(p); for(i=0;i<k;i++) { Write_Date(*(p+i)); Delay(5); } } void Init() { en=0; rw=0; Write_Com(0x38); Write_Com(0x0c); Write_Com(0x06); Write_Com(0x01); Write_Com(0x80); Display_Str(table); Write_Com(0x80+0x40); Display_Str(table1); PLLCON=0xD0; //设置单片机内核频率为12.582912MHz SF=0x200; // ADCMODE=0x1b; //0x13为辅助AD使能，0x23为主AD使能 ADC1CON=0x60; //0x60为辅助ADC单极性输入，0x40为辅助AD双极性输入 // ADC0CON1=0x07; //0x27为主AD单极性输入，0x07为主AD双极性输入 // ADC0CON2=0x40; EA=1; ADCMODE=0x13; ES=1; T3CON=0x82; //波特率为115200 T3FD=0x2D; SM0=0; SM1=1; REN=1; // RE1=0; // DE1=1; // RE2=0; // DE2=1 } void Display_Vol() { uchar num1,num2,num3,num4,num5,num6,num7; float size; long int date; vol=dat*0.0000001490116; //辅助AD单极性编码方式 // vol=dat*0.0000002980232-2.5; //AD双极性编码方式 // vol=dat*0.0000001490116-1.25; // vol=dat*0.000000153; //主AD单极性编码方式 // vol=dat*0.000000305-2.56; //主AD双极性编码方式 if(vol<0) { Write_Com(0x84); Write_Date('-'); size=-vol; } else { Write_Com(0x84); Write_Date(' '); size=vol; } num1=size/1; date=(size-num1)*1000000000; num2=date/100000000; num3=date%100000000/10000000; num4=date%10000000/1000000; num5=date%1000000/100000; num6=date%100000/10000; num7=date%10000/1000; Write_Com(0x85); Write_Date(0x30+num1); Write_Date('.'); Write_Date(0x30+num2); Write_Date(0x30+num3); Write_Date(0x30+num4); Write_Date(0x30+num5); Write_Date(0x30+num6); Write_Date(0x30+num7); Write_Date(' '); Write_Date('V'); } void Display_Dat() { uchar num1,num2,num3,num4,num5,num6,num7,num8; num1=dat/10000000; num2=dat%10000000/1000000; num3=dat%1000000/100000; num4=dat%100000/10000; num5=dat%10000/1000; num6=dat%1000/100; num7=dat%100/10; num8=dat%10; Write_Com(0x80+0x45); Write_Date(0x30+num1); Write_Date(0x30+num2); Write_Date(0x30+num3); Write_Date(0x30+num4); Write_Date(0x30+num5); Write_Date(0x30+num6); Write_Date(0x30+num7); Write_Date(0x30+num8); } void Display_Ang() { float size; long int date; if(vol<0.25) { if(vol>-0.25) { angle=0; } else { angle=0.4*vol; } } else { angle=0.4*vol; } if(angle<0) { Write_Com(0x80+0x44); Write_Date('-'); size=-angle; } else { Write_Com(0x80+0x44); Write_Date(' '); size=angle; } date1=size/1; date=(size-date1)*1000000; date2=date/100000; date3=date%100000/10000; date4=date%10000/1000; date5=date%1000/100; date6=date%100/10; date7=date%10; Write_Com(0x80+0x45); Write_Date(0x30+date1); Write_Date('.'); Write_Date(0x30+date2); Write_Date(0x30+date3); Write_Date(0x30+date4); Write_Date(0x30+date5); Write_Date(0x30+date6); Write_Date(0x30+date7); Write_Date(' '); Write_Date(0x5E); } void Main() { Init(); while(1) { if(word==0xff) { word=0; ADCMODE=0x12; //重新启动AD转换 ES=0; while(!flag); flag=0; Display_Vol(); Display_Ang(); if(angle>0) { SBUF=0x2B; while(!TI); TI=0; } if(angle<0) { SBUF=0x2D; while(!TI); TI=0; } if(angle==0) { SBUF=0x20; while(!TI); TI=0; } SBUF=0x30+date1; while(!TI); TI=0; SBUF=0x2E; while(!TI); TI=0; SBUF=0x30+date2; while(!TI); TI=0; SBUF=0x30+date3; while(!TI); TI=0; SBUF=0x30+date4; while(!TI); TI=0; SBUF=0x30+date5; while(!TI); TI=0; SBUF=0x30+date6; while(!TI); TI=0; SBUF=0x30+date7; while(!TI); TI=0; ES=1; } Display_Vol(); Display_Dat(); // Display_Ang(); } } void Adc() interrupt 6 { dat=ADC1L+ADC1M*256+ADC1H*65536; //读辅助AD数据 RDY1=0; // dat=ADC0L+ADC0M*256+ADC0H*65536; //读主AD数据 // RDY0=0; flag=1; } void Ser() interrupt 4 { RI=0; word=SBUF; }