SmartBike/lcd.c

#include"lcd.h"

/*******************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>         : Lcd1602_Delay1ms
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>		   : <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ1ms
* <EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>         : c
* <EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>         : <EFBFBD><EFBFBD>
* ˵    <EFBFBD><EFBFBD>         : <EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>12MHZ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>12<EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
*******************************************************************************/

void Lcd1602_Delay1ms(uint c)   //<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0us
{
    uchar a,b;
	for (; c>0; c--)
	{
		 for (b=199;b>0;b--)
		 {
		  	for(a=1;a>0;a--);
		 }      
	}
    	
}

/*******************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>         : LcdWriteCom
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>		   : <EFBFBD><EFBFBD>LCDд<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ֽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>         : com
* <EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>         : <EFBFBD><EFBFBD>
*******************************************************************************/
#ifndef 	LCD1602_4PINS	 //<EFBFBD><EFBFBD>û<EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LCD1602_4PINSʱ
void LcdWriteCom(uchar com)	  //д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
	LCD1602_E = 0;     //ʹ<EFBFBD><EFBFBD>
	LCD1602_RS = 0;	   //ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LCD1602_RW = 0;	   //ѡ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>
	
	LCD1602_DATAPINS = com;     //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	Lcd1602_Delay1ms(1);		//<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȶ<EFBFBD>

	LCD1602_E = 1;	          //д<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
	Lcd1602_Delay1ms(5);	  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
	LCD1602_E = 0;
}
#else 
void LcdWriteCom(uchar com)	  //д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
	LCD1602_E = 0;	 //ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LCD1602_RS = 0;	 //ѡ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LCD1602_RW = 0;	 //ѡ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>

	LCD1602_DATAPINS = com;	//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>4λ<EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǽӵ<EFBFBD>P0<EFBFBD>ڵĸ<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>͸<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>ø<EFBFBD>
	Lcd1602_Delay1ms(1);

	LCD1602_E = 1;	 //д<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
	Lcd1602_Delay1ms(5);
	LCD1602_E = 0;

//	Lcd1602_Delay1ms(1);
	LCD1602_DATAPINS = com << 4; //<EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD><EFBFBD>λ
	Lcd1602_Delay1ms(1);

	LCD1602_E = 1;	 //д<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
	Lcd1602_Delay1ms(5);
	LCD1602_E = 0;
}
#endif
/*******************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>         : LcdWriteData
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>		   : <EFBFBD><EFBFBD>LCDд<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ֽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>         : dat
* <EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>         : <EFBFBD><EFBFBD>
*******************************************************************************/		   
#ifndef 	LCD1602_4PINS		   
void LcdWriteData(uchar dat)			//д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
	LCD1602_E = 0;	//ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LCD1602_RS = 1;	//ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LCD1602_RW = 0;	//ѡ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>

	LCD1602_DATAPINS = dat; //д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	Lcd1602_Delay1ms(1);

	LCD1602_E = 1;   //д<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
	Lcd1602_Delay1ms(5);   //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
	LCD1602_E = 0;
}
#else
void LcdWriteData(uchar dat)			//д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
	LCD1602_E = 0;	  //ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LCD1602_RS = 1;	  //ѡ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LCD1602_RW = 0;	  //ѡ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>

	LCD1602_DATAPINS = dat;	//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>4λ<EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǽӵ<EFBFBD>P0<EFBFBD>ڵĸ<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>͸<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>ø<EFBFBD>
	Lcd1602_Delay1ms(1);

	LCD1602_E = 1;	  //д<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
	Lcd1602_Delay1ms(5);
	LCD1602_E = 0;

	LCD1602_DATAPINS = dat << 4; //д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
	Lcd1602_Delay1ms(1);

	LCD1602_E = 1;	  //д<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
	Lcd1602_Delay1ms(5);
	LCD1602_E = 0;
}
#endif
/*******************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>       : LcdInit()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>		 : <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>LCD<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>       : <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>       : <EFBFBD><EFBFBD>
*******************************************************************************/		   
#ifndef		LCD1602_4PINS
void LcdInit()						  //LCD<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD><EFBFBD><EFBFBD>
{
 	LcdWriteCom(0x38);  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
	LcdWriteCom(0x0c);  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LcdWriteCom(0x06);  //дһ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>1
	LcdWriteCom(0x01);  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LcdWriteCom(0x80);  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
#else
void LcdInit()						  //LCD<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD><EFBFBD><EFBFBD>
{
	LcdWriteCom(0x32);	 //<EFBFBD><EFBFBD>8λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>תΪ4λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LcdWriteCom(0x28);	 //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>µij<EFBFBD>ʼ<EFBFBD><EFBFBD>
	LcdWriteCom(0x0c);  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LcdWriteCom(0x06);  //дһ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>1
	LcdWriteCom(0x01);  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LcdWriteCom(0x80);  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
#endif