lcd128_64.c

CC2420+PIC单片机基础实验代码、CC2420无线收发实验代码

#include "c51rf3_4620.h"
#include "Font.h"

//#define LCD_SDO		LATCbits.LATC5
//#define LCD_CLK 	LATCbits.LATC3
#define LCD_CS		LATAbits.LATA4
#define LCD_RS		LATEbits.LATE0
#define LCD_RST		LATEbits.LATE1
//初始化SPI


#define LCD_CONFIG()\
{\
  TRISCbits.TRISC3 = 0;\
  TRISCbits.TRISC5 = 0;\
  TRISAbits.TRISA4 = 0;\
  TRISEbits.TRISE0 = 0;\
  TRISEbits.TRISE1 = 0;\
  SSPSTAT=0x80;\
  SSPCON1=0x30;\
  PIR1bits.SSPIF=0;\
} 

#define RECALIB_TIMEOUT     12000 // Every 2 minutes
#define MSG_PING           0x00
#define MSG_SEND           0x10
#define MSG_RECIVE         0x20
#define MSG_NEEDSEND       0x30


INT8U ContrastValue = 0x38;



void Print(INT8U y, INT8U x, INT8U ch[], INT16U yn);
void Print6(INT8U xx,INT8U  yy,INT8U ch1[],INT8U yn);


/*******************************************************************************
//函数名：void delaylcd (int16u x)
//功能：廷时
//输入：时间
//输出：无
********************************************************************************/
void delaylcd (INT16U x)
{
	INT8U j;
	while (x--)
	{
		for (j=0;j<115;j++);
	}
}
/*******************************************************************************
//函数名：void fdelay(unsigned int n)
//功能：廷时
//输入：时间
//输出：无
********************************************************************************/
void fdelay(unsigned int n) /* wait n seconds*/
{
	INT16U i;
	INT16U j;
	for (i=0;i<5;i++)
	for (j=0;j<n*2;j++) ;
}


/*******************************************************************************
//函数名：void Lcdwritecom(int8u com)
//功能：lcd写指令
//输入：com指令
//输出：无
********************************************************************************/
void Lcdwritecom(INT8U com)
{
	//INT8U i, temp;
	//LCD_CLK = 0;
	LCD_CS = 0;
	LCD_RS = 0;
 	SSPBUF=com;
	while(!PIR1bits.SSPIF);
	PIR1bits.SSPIF=0;
	LCD_CS = 1;
}

/*******************************************************************************
//函数名：void Lcdwritedata(int8u dat)
//功能：lcd写数据
//输入：dat数据
//输出：无
********************************************************************************/
void Lcdwritedata(INT8U dat)
{
	INT8U i, temp;
	LCD_CS = 0;
	LCD_RS = 1;

	SSPBUF=dat;
	while(!PIR1bits.SSPIF);
	PIR1bits.SSPIF=0;
	LCD_CS = 1;
}

/*******************************************************************************
//函数名：void Prog_Reset(void)
//功能：lcd复位
//输入：无
//输出：无
********************************************************************************/
void Prog_Reset(void)
{
	LCD_RST = 0;
	delaylcd(100);
	LCD_RST = 1;
}
/*******************************************************************************
//函数名：void Resetchip(void)
//功能：lcd软件复位
//输入：无
//输出：无
********************************************************************************/
void Resetchip(void)
{
	Prog_Reset();
}

/*******************************************************************************
//函数名：void SetRamAddr (INT8U Page, INT8U Col)
//功能：lcd位置选择
//输入：Page-页，Col-列
//输出：无
********************************************************************************/
void SetRamAddr (INT8U Page, INT8U Col)
{
	Lcdwritecom(0xB0 + Page);
	Lcdwritecom(Col & 0x0f); //Set lower column address
	Lcdwritecom(0x10 | ((Col & 0xf0) >> 4)); //Set higher column address
}

/*******************************************************************************
//函数名：void LoadICO(INT8U y , INT8U x , INT8U Ico[])
//功能：打开一个指定指针的图标
//输入：x,y坐标      Ico[]图片
//输出：无
********************************************************************************/
void LoadICO(void)
{

	INT16U i,j;
	for(i=0; i<8; i++)
	{
		SetRamAddr(i , 0);
		for(j = 0;j < 112;j++)
		{
			Lcdwritedata(WXL112X64[j+i*112]);
		}
	}
	fdelay(50000);
}
/*******************************************************************************
//函数名：void ClearScreen(void)
//功能：清屏
//输入：无
//输出：无
********************************************************************************/
void ClearScreen(void)
{
	INT8U i;
	INT8U j;
	for(i=0; i<8 ; i++)
	{
		SetRamAddr(i,0);
		for(j=0; j<128; j++)
		{ 
			Lcdwritedata(0x00);
		}
	}
}

/*******************************************************************************
//函数名：void Print6(INT8U xx, INT8U yy, INT8U ch1[], INT8U yn)
//功能：显示6*8字符串
//输入：xx ,yy 坐标,ch1待显示的字符串,yn是否反黑
//输出：无
********************************************************************************/
void Print6(INT8U xx, INT8U yy, INT8U ch1[], INT8U yn)		
{
	INT8U ii = 0;
	INT8U bb = 0;
	unsigned int index = 0 ;	

	SetRamAddr(xx , yy);		
	while(ch1[bb] != '\0')
	{
                index = (unsigned int)(ch1[bb] - 0x20);
		index = (unsigned int)index*6;		
		for(ii=0;ii<6;ii++)
		{
			if(yn)
			{
				Lcdwritedata(FontSystem6x8[index]);
			}
			else
			{
				Lcdwritedata(~FontSystem6x8[index]);
			}		
			index += 1;
		}		
		bb += 1;
	}
}

/*******************************************************************************
//函数名：void Rectangle(INT8U x1,INT8U y1,INT8U x2,INT8U y2)
//功能：画直线函数，本函数目前只能画水平和垂直线
//输入：x1,y1(第一个点)   x2,y2第二个点
//输出：无
********************************************************************************/
void Rectangle(INT8U x1,INT8U y1,INT8U x2,INT8U y2)
{

	INT8U ii;

	for(ii=x1; ii<x2; ii++)
	{		
		SetRamAddr(y1,ii);
		Lcdwritedata(0x08);
		SetRamAddr(y2,ii);
		Lcdwritedata(0x08);		//画横线
	}
	SetRamAddr(y1,x1);
	Lcdwritedata(0xF0);
	SetRamAddr(y1,x2);
	Lcdwritedata(0xF0);

	for(ii = y1+1;ii<y2;ii++)
	{		
	 	SetRamAddr(ii,x1);
		Lcdwritedata(0xff);
	 	SetRamAddr(ii,x2);
		Lcdwritedata(0xff);		//画竖线
	}

	SetRamAddr(y2,x1);
	Lcdwritedata(0x0F);
	SetRamAddr(y2,x2);
	Lcdwritedata(0x0F);
}

/*******************************************************************************
//函数名：void InitLcd(void)
//功能：lcd初始化
//输入：无
//输出：无
********************************************************************************/
void InitLcd(void)
{
	LCD_CONFIG();

	LCD_CS = 1;
	LCD_RS = 1;
	LCD_RST = 1;

	Resetchip();
	Lcdwritecom(0xAE);
	Lcdwritecom(0xAD);	//dc-dc off
	Lcdwritecom(0x8a);

	fdelay(2000);
	Lcdwritecom(0x00);
	Lcdwritecom(0x10);
	Lcdwritecom(0x40);
	Lcdwritecom(0x81);
	Lcdwritecom(ContrastValue);
	Lcdwritecom(0xA0);
	Lcdwritecom(0xA4);
	Lcdwritecom(0xA6);
	Lcdwritecom(0xA8);
	Lcdwritecom(0x3f);
	Lcdwritecom(0xD3);
	Lcdwritecom(0x00);
	Lcdwritecom(0xD5);
	Lcdwritecom(0x20);
	Lcdwritecom(0xD8);
	Lcdwritecom(0x00);
	Lcdwritecom(0xDA);
	Lcdwritecom(0x12);
	Lcdwritecom(0xDB);
	Lcdwritecom(0x00);
	Lcdwritecom(0xD9);
	Lcdwritecom(0x22);
	Lcdwritecom(0xc8);
	Lcdwritecom(0xAF);
	ClearScreen();
}