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CA24064B (T6963c)keilc51示例程序
// CA24064
//***************************************************************************
//* Create by :Ssmart 2004/12/01 KeilC V7.0 *
//***************************************************************************
//連線表: CPU=89C52 *
//C/D=P2.0 /CE=P2.7 FS=P3.5 /WR=/WR /RD=/RD *
//FOSC=12MHz D0-D7=P0.0-P0.7 /RSET=/(CPU RSET) *
//***************************************************************************
#include <reg52.h>
#include <intrins.h>
#include <stdio.h>
#define uint unsigned int
#define uchar unsigned char
#define Graphic 1
#define TXT 0
#define LcmLengthDots 240
#define LcmWidthDots 64
char xdata LcmDataPort _at_ 0x0000;
char xdata LcmCmdPort _at_ 0x0100;
sbit FS = P3^5;
sbit Key= P3^4;
uchar code bmp1[];
uchar code str1[];
//指令&數(shù)據(jù)讀寫狀態(tài)
void CheckRWCD(void)
{
while((LcmCmdPort & 0x03) != 0x03); //低電平忙
}
//數(shù)據(jù)自動(dòng)寫狀態(tài)
void CheckAutoWrite(void)
{
while((LcmCmdPort & 0x08) == 0); //低電平忙
}
//屏讀/屏考貝出錯(cuò)狀態(tài)
void CheckScreen(void)
{
while(LcmCmdPort & 0x40); //1出錯(cuò),0正確
}
//一個(gè)數(shù)據(jù)子寫入函數(shù)
void LcmWriteData(uchar uData)
{
LcmDataPort = uData;
}
//一個(gè)數(shù)據(jù)讀出函數(shù)
uchar LcmReadData( void )
{
uchar uData;
uData = LcmDataPort;
return uData;
}
//無(wú)參數(shù)指令寫入函數(shù)
void LcmWriteCommand(uchar Command)
{
CheckRWCD(); //檢測(cè)指令讀寫狀態(tài)
LcmCmdPort = Command;
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66821730(技術(shù)支持)
