modify.c

进行单片机与LCD的接口通讯与显示。使用清华的液晶。

#include <reg51.h>
#define uchar unsigned char
#define uint unsigned int
#define proportion1 0.01
#define proportion2 100
extern scale;
extern idata key2;
extern void dispes(uchar position1,uchar position2,uchar chanum,uchar* p);
extern void dispes_f(uchar position1,uchar position2,uchar chanum,uchar* p);
extern idata buf[30];

void modify_float3(float x,void (*p)(),int a,int b,int c)
{   int key3=0;
    key3=key2;
   switch(key3/256)
  {case 5:
     if(scale==0)
    x-=0.1;
     else if(scale==1)
    x-=1;
     else
    x-=10;
     buf[a]=x*0.01;
  buf[b]=x-buf[a]*100;
  buf[c]=(x-buf[a]*100-buf[b])*100;
    (*p)();
  break;
  case 4:
     if(scale==0)
    x+=0.1;
     else if(scale==1)
    x+=1;
     else
    x+=10;
     buf[a]=x*0.01;
  buf[b]=x-buf[a]*100;
  buf[c]=(x-buf[a]*100-buf[b])*100;
   (*p)();
  break;
  }
 }

void modify_float2(float x,void (*p)(),int a,int b)
{  int key3=0;
    key3=key2;
  switch(key3/256)
  {case 5:
     if(scale==0)
    x-=0.1;
     else if(scale==1)
    x-=1;
     else
    x-=10;
    buf[a]=x;
  buf[b]=(x-buf[a])*100;
  (*p)();
  break;
  case 4:
     if(scale==0)
    x+=0.1;
     else if(scale==1)
    x+=1;
     else
    x+=10;
    buf[a]=x;
  buf[b]=(x-buf[a])*100;
 (*p)();
  break; }
 }

void modify_int2(int x,void (*p)(),int a,int b)
{   int key3=0;
    key3=key2;
   switch(key3/256)
  {case 5:
     if(scale==0)
    x-=1;
     else if(scale==1)
    x-=10;
     else
    x-=100;
    buf[a]=x*0.01;
  buf[b]=x-buf[a]*100;
  (*p)();
  break;
  case 4:
     if(scale==0)
    x+=1;
     else if(scale==1)
    x+=10;
     else
    x+=100;
    buf[a]=x*0.01;
  buf[b]=x-buf[a]*100;
   (*p)();
  break; }
 }

void modify_int1(int x,void (*p)(),int a)
 {  int key3=0;
    key3=key2;
  switch(key3/256)
  {case 5:
     if(scale==0)
    x-=1;
     else if(scale==1)
    x-=10;
     else
    x-=100;
     buf[a]=x;
   (*p)();
  break;
  case 4:
     if(scale==0)
    x+=1;
     else if(scale==1)
    x+=10;
     else
    x+=100;
     buf[a]=x;
  (*p)();
  break; }
 }

void modify_group(int x,void (*p)())
{int key3=0;
    key3=key2;
 switch(key3/256)
  {case 5:buf[x]=1;
  (*p)();
  break;
  case 4: buf[x]=2;
  (*p)();
  break; }
 }

void on_off(int a,int lin)
 { if(a==1)
   { dispes(10,lin,2,"ON");
    }
    else
   { dispes(10,lin,3,"OFF");}
 }
void on_off_f(int a,int lin)
 { if(a==1)
   { dispes_f(10,lin,2,"ON");
    }
    else
   { dispes_f(10,lin,3,"OFF");}
 }

void on_off_state(int a,int lin)
 { if(a==1)
  dispes(19,lin,2,"ON");
  else
  dispes(19,lin,3,"OFF");
 }

void on_off_state_general(int a,int lin)
 { if(a==1)
  dispes(25,lin,2,"ON");
  else
  dispes(25,lin,3,"OFF");
 }