#include "LCD.h"
/*LcdShow:在HD44780顯示屏上顯示數(shù)據(jù)--------------------*
*功能描述:在HD44780顯示屏上顯示str中的32個數(shù)據(jù)         *
*參  數(shù):str:待顯示數(shù)組                                 *
*返  回:無                                             *
*------------------以上為子程序說明-------------------*/
void lcdshow(unsigned char str[])
  {	 	
    unsigned char i;
    LcdInit();               //調(diào)用Lcd初始化子程序
 	//顯示第1行
 	LcdCtrl&=~(1<<LcdRS);      //RS、R/W=00,寫指令
	LcdCtrl&=~(1<<LcdRW);    
  	Lcd_Command(0b10000000); //后7位為DDRAM地址0x00 
	LcdCtrl|=1<<LcdRS;		 //RS、R/W=10,寫數(shù)據(jù)到DDRAM中
    LcdCtrl&=~(1<<LcdRW);
   	for (i=0;i<10;i++)       //逐個顯示
    Lcd_Command(str[i]);
    //顯示第2行
   	LcdCtrl&=~(1<<LcdRS);    //RS、R/W=00,寫指令
	LcdCtrl&=~(1<<LcdRW);    
  	Lcd_Command(0b11000000); //后7位為DDRAM地址0x40 
	LcdCtrl|=1<<LcdRS;		 //RS、R/W=10,寫數(shù)據(jù)到DDRAM中
	LcdCtrl&=~(1<<LcdRW);
    for (i=10;i<18;i++)      //逐個顯示
	Lcd_Command(str[i]);
   }
void lcdshow1(unsigned char str[],unsigned char n)
  {	 	
    unsigned char i;
    LcdInit();               //調(diào)用Lcd初始化子程序
 	//顯示第1行16個字符
 	LcdCtrl&=~(1<<LcdRS);      //RS、R/W=00,寫指令
	LcdCtrl&=~(1<<LcdRW);    
  	Lcd_Command(0b10000000); //后7位為DDRAM地址0x00 
	LcdCtrl|=1<<LcdRS;		 //RS、R/W=10,寫數(shù)據(jù)到DDRAM中
    LcdCtrl&=~(1<<LcdRW);
   	for (i=0;i<n;i++)       //逐個顯示
       Lcd_Command(str[i]);
    /*顯示第2行16個字符
   	LcdCtrl&=~(1<<LcdRS);    //RS、R/W=00,寫指令
	LcdCtrl&=~(1<<LcdRW);    
  	Lcd_Command(0b11000000); //后7位為DDRAM地址0x40 
	LcdCtrl|=1<<LcdRS;		 //RS、R/W=10,寫數(shù)據(jù)到DDRAM中
	LcdCtrl&=~(1<<LcdRW);
    for (i=16;i<32;i++)      //逐個顯示
	  Lcd_Command(str[i]);*/
   }

void lcdshow2(unsigned char str)
{
  // unsigned char i;
    //LcdInit();               //調(diào)用Lcd初始化子程序
    //顯示第2行16個字符
   	LcdCtrl&=~(1<<LcdRS);    //RS、R/W=00,寫指令
	LcdCtrl&=~(1<<LcdRW);    
  	//Lcd_Command(0b00010100);  //光標右移一個字符位,AC自  
  	Lcd_Command(0b00000110);  //光標右移一個字符位,AC自
                              //  動加1                         //  動加1
	LcdCtrl|=1<<LcdRS;		 //RS、R/W=10,寫數(shù)據(jù)到DDRAM中
	LcdCtrl&=~(1<<LcdRW);
    //for (i=0;i<16;i++)       //逐個顯示
       Lcd_Command(str);
}
/*LcdInit:初始化Lcd------------------------------------*
*功  能:初始化Lcd(HD44780),設(shè)置顯示方式,清屏,AC自動+1  *
*參  數(shù):無                                             *
*返  回:無                                             *
*-----------------------------------------------------*/
void LcdInit(void)
  {
    unsigned char i;
    LcdData_D=0b11111111;     //數(shù)據(jù)口為輸出
    LcdCtrl_D|=(1<<LcdE);     //控制口低三位為輸出
    LcdCtrl_D|=(1<<LcdRS); 
    LcdCtrl_D|=(1<<LcdRW); 
    LcdCtrl|=(1<<LcdE);       //E=1
    LcdCtrl&=~(1<<LcdRS);     //RS、R/W=00,寫指令
    LcdCtrl&=~(1<<LcdRW);    
    Lcd_Command(0b00111000);  //8位數(shù)據(jù)接口,2行,5*7點陣
    Lcd_Command(0b00001000);  //關(guān)顯示,關(guān)光標顯示,不閃爍	
    Lcd_Command(0b00000001);  //清屏
    for(i=0;i<250;i++);       //延時>1.6ms
    for(i=0;i<250;i++); 
    Lcd_Command(0b00010100);  //光標右移一個字符位,AC自
                              //  動加1
    Lcd_Command(0b00001100);  //開顯示,關(guān)光標顯示,不閃爍
  }
/*Lcd_Command:執(zhí)行給定的cmd命令------------------------*
*功  能:執(zhí)行給定的cmd命令,且延時                       *
*參  數(shù):cmd:待執(zhí)行的命令                               *
*返  回:無                                             *
*-----------------------------------------------------*/
void Lcd_Command(unsigned char cmd)
  {	 	
    unsigned char i;	 
    for (i=0;i<20;i++);    //等待>40us
    LcdData=cmd;	         //把指令碼送到Lcd數(shù)據(jù)傳送口
    LcdCtrl|=(1<<LcdE);    //Lcd開始接收數(shù)據(jù)
    asm("NOP");
    asm("NOP");
    asm("NOP");
    LcdCtrl&=~(1<<LcdE);   //Lcd結(jié)束接收數(shù)據(jù)
    for (i=0;i<20;i++);    //等待>40us
  }