iicdisplay.c

由LPC76X构成的LIN BUS节点实例 包含LIN总线的Demo程序

#include "relpc764.h"
#include "..\IIcDriver.h"
#include "IIcDisplay.h"


extern data char* IIcXmtptr;

char data n;


void DisplayInit() 
 {
  IIcSlvAdr = IIcDisplay;
  IIcByteCnt = 4;
  IIcXmtptr[0]=0;
  IIcXmtptr[1]=0x2E;
  IIcXmtptr[2]=0x0E;
  IIcXmtptr[3]=0x06;
  
  IIcSendData();
 
  return;
 }
 
void WriteChars()
 {
  IIcSlvAdr = IIcDisplay;
  IIcByteCnt=IIcXmtptr[0];
  IIcXmtptr[0]=0x40;
  
  IIcSendData();
  
  for (IIcByteCnt=0; IIcByteCnt<255; IIcByteCnt++);
 }
 
void SetCursor(char x, char y)
 {
  char num;
  
  num = 0x20*y+x;
  num |=0x80;
  
  IIcSlvAdr = IIcDisplay;
  IIcByteCnt = 2;
  IIcXmtptr[0]=0;
  IIcXmtptr[1]=num;
  
  IIcSendData();  
 
  for (IIcByteCnt=0; IIcByteCnt<255; IIcByteCnt++);
 }
 

 
void Home()
 {
  IIcSlvAdr = IIcDisplay;
  IIcByteCnt=2;  
  IIcXmtptr[0]=0x00;
  IIcXmtptr[1]=0x02;
  IIcSendData();
  for (IIcByteCnt=0; IIcByteCnt<255; IIcByteCnt++);
 }
 
void ClearScreen()
  {
   IIcSlvAdr = IIcDisplay;
   IIcByteCnt=2;
   IIcXmtptr[0]=0;
   IIcXmtptr[1]=0x01;
   IIcSendData();
   
    for (n=0; n<10; n++)
	  {
	   for (IIcByteCnt=1; IIcByteCnt!=0; IIcByteCnt++); 
	  }
  }