pc1602lcm.c

来自「AT24C01~24C16燒錄器程序,可以通過麼MENU選擇燒錄IC型號」· C语言 代码 · 共 95 行

//---------------------------------------------------------------------------------------
#include "../SubProgram/SubprogramList.h"
//---------------------------------------------------------------------------------------
//SET LCM RS
void SetLCM_RS(U8 set)
{
	if(set==1)
		LCM_RS=1;
	else 
		LCM_RS=0;
	COMMAND_CS=CommandStatus;
}
//--------------------------------------------------------------
//SET LCM Enable
void SetLCMEnable(U8 enable)
{
	if(enable==ReadEnable)
		LCM_RW=1;
	else 
		LCM_RW=0;
	COMMAND_CS=CommandStatus;
}
//---------------------------------------------------------------
//check LCM Status
void CheckLCMStatus(void)
{
	SetLCM_RS(0);
	SetLCMEnable(ReadEnable);
	while((LCD_CS & 0x80)!=0);
}
//---------------------------------------------------------------
//Send LCM Command
void SendLCMCommand(U8 command,U8 check)
{
	if(check==1)
		CheckLCMStatus();
	SetLCM_RS(0);
	SetLCMEnable(WriteEnable);
	LCD_CS=command;
}
//---------------------------------------------------------------
//Send LCM Data
void SendLCMData(U8 cdata,U8 check)
{
	if(check==1)
		CheckLCMStatus();
	SetLCM_RS(1);
	SetLCMEnable(WriteEnable);
	LCD_CS=cdata;
}
//--------------------------------------------------------------
//Initial LCM 
void InitialLCM(void)
{
	SendLCMCommand(0x38,0);
	SendLCMCommand(0x38,0);
	SendLCMCommand(0x38,0);
	SendLCMCommand(0x38,1);

	SendLCMCommand(0x08,1);
	SendLCMCommand(0x01,1);
	SendLCMCommand(0x0c,1);
	SendLCMCommand(0x06,1);
}
//-------------------------------------------------------------
//Clear LCM
void ClearLCM(void)
{
	SendLCMCommand(0x01,1);
}
//--------------------------------------------------------------
//display one char
void DisplayOneChar(U8 Line,U8 adr,U8 cdata)
{
	if(Line==0)
		adr=adr |0x80;
	else
		adr=adr |0xc0;
	SendLCMCommand(adr,1);
	SendLCMData(cdata,1);	
}
//---------------------------------------------------------------
//display string data
void DisplayStringData(U8 Line,U8 *StrData,U8 DataLength)
{
	U8 CharA=0;

	if(DataLength>24)
		DataLength=24;
	while(CharA<DataLength)
		{
			DisplayOneChar(Line,CharA,StrData[CharA]);
			CharA++;
		}
}