lcd.c

LCD显示代码大全

#include <stdio.h>
#include  "config.h"
#define   RST	0x00000400		/* P0.10*/
#define   BUSY	0x00000800		/* P0.11 */
#define   WWR	0x00001000		/* P0.12 */
#define   RRD	0x00002000		/* P0.13 */
#define   RS	0x00200000		/* P0.21*/
#define   CS1	0x00400000		/* P0.22 */
#define   LCD_IOCON	0x00603400		/* 定义LCD接口的I/O设置字 */

 
#define LCD_cmdReg   (*((volatile unsigned short *) 0x83000002))
#define LCD_cmdData  (*((volatile unsigned short *) 0x83000000))
#define LCD_DATA  (*((volatile unsigned short *) 0x83000000))

/************************************************/
extern void delay (int i);
extern void LCD_CmdWrite(unsigned char,unsigned char);
extern unsigned char LCD_CmdRead(unsigned char);
extern void LCD_DataWrite(unsigned char);
extern void LCD_ChkBusy(void);
extern void LCD_Reset(void);
extern void LCD_Initial(void);
extern void LCD_Clearzf(void);
//extern void LCD_clear(void);
extern void LCD_all(void);
extern void LCD_row(void);
extern void LCD_cul(void);
extern void LCD_dot(void);
extern void LCD_box(void);
extern void wrhz(void) ;
extern void wrhzfd(void);





//===================================================================//
// LCD Command Write Subroutine //
//===================================================================//
void LCD_CmdWrite(unsigned char cmdReg,unsigned char cmdData)
{
//LCD_ChkBusy();
    IO0CLR =BUSY;

    delay(50);
    LCD_cmdReg = cmdReg;
    IO0CLR=CS1 ; //RA8803 Chip Enable.
    IO0SET=RRD;  //= 1;
    IO0CLR=RS; // RS = 0;
    IO0CLR=WWR; // WR = 0;
   //delay(10);
    IO0SET=WWR ; // WR = 1;
    IO0SET=RS; // RS = 1;
    IO0SET=CS1; //RA8803 Chip Disable.
//.................................................................
//LCD_ChkBusy();
    delay(50);
    LCD_cmdReg = cmdData;
    IO0CLR=CS1 ; //RA8803 Chip Enable.
    IO0SET=RRD;//
    IO0CLR=RS; // RS = 0;
    IO0CLR=WWR; // WR = 0;
//delay(10);
    IO0SET=WWR ; // WR = 1;
    IO0SET=RS; // RS = 1;
    IO0SET=CS1; //RA8803 Chip Disable.
//delay(1);
  }
void delay(int i)
  {
    int k ;
    for ( k=0 ; k < i ; k++ );
   }

//====================================================================//
// //
//====================================================================//
void LCD_Initial(void)
{
LCD_CmdWrite(0x00,0xCD); // LCD Control Register(LCR)
LCD_CmdWrite(0x01,0xf3); // Misc.Register(MIR)
LCD_CmdWrite(0x02,0x10); // Advance Power Setup Register(APSR)
LCD_CmdWrite(0x03,0x80); // Advance Display Setup Regiser(ADSR)
LCD_CmdWrite(0x10,0x68); // Cursor Control Register(CCR)
LCD_CmdWrite(0x11,0x20); // Distance of Word or Lines Register(DWLR)
LCD_CmdWrite(0x12,0x91); // Memory Access Mode Register(AWRR)
LCD_CmdWrite(0x20,0x27); // Active Window Right Register(AWRR)
LCD_CmdWrite(0x30,0xEF); // Active Window Bottom Register(AWBR)
LCD_CmdWrite(0x40,0x00); // Active Window Left Register(AWLR)
LCD_CmdWrite(0x50,0x00); // Active Window Top Register(AWTR)
LCD_CmdWrite(0x21,0x27); // Display Window Right Register(DWRR)
LCD_CmdWrite(0x31,0xEF); // Display Window Bottom Register(DWBR)
LCD_CmdWrite(0x41,0x00); // Display Window Left Register(DWLR)
LCD_CmdWrite(0x51,0x00); // Display Window Top Register(DWTR)
LCD_CmdWrite(0x60,0x00); // Cursor Position X Register(CPXR)
LCD_CmdWrite(0x61,0x00); // Begin Segment Position Register(BGSG)
LCD_CmdWrite(0x70,0x00); // Cursor Position Y Register(CPYR)
LCD_CmdWrite(0x71,0x00); // Shift action range,Begin Commom Register(BGCM)
LCD_CmdWrite(0x72,0xEF); // Shift action range,End Commom Register(EDCM)
LCD_CmdWrite(0x80,0x33); // Blink Time Register(BTR)
LCD_CmdWrite(0x81,0x00); // Frame Rate Polarity Change at Common_FA Register(FDCA)
LCD_CmdWrite(0x91,0x00); // Frame Rate Polarity Change at Common_FB Register(FDCB)
LCD_CmdWrite(0x90,0x04); // Shift Clock Control Register(SCCR)
LCD_CmdWrite(0xA0,0x11); // Interrupt Setup & Status Register(FRCB)
LCD_CmdWrite(0xA1,0x00); // Key Scan Control Register(KSCR)
LCD_CmdWrite(0xA2,0x00); // Key Scan Data Register(KSDR)
LCD_CmdWrite(0xA3,0x00); // Key Scan Data Expand Register(KSER)
LCD_CmdWrite(0xB0,0x27); // Interrupt Column Setup Register(INTX)
LCD_CmdWrite(0xB1,0xEF); // Interrupt Row Setup Register(INTY)
LCD_CmdWrite(0xC0,0xD0); // Touch Panel Control Register(TPCR)
LCD_CmdWrite(0xC1,0x0A); // ADC Status Register(ADCS)
LCD_CmdWrite(0xC8,0x80); // Touch Panel Segment High Byte Data Register(TPXR)
LCD_CmdWrite(0xC9,0x80); // Touch Panel Common High Byte Data Register(TPYR)
LCD_CmdWrite(0xCA,0x00); // Touch Panel Segment/Common Low Byte Data Register(TPZR)
LCD_CmdWrite(0xD0,0x0C); // LCD Contrast Control Register (LCCR)
LCD_CmdWrite(0xE0,0x00); // Pattern Data Register(PDR)

LCD_CmdWrite(0xF0,0xA0); // Font Control Register(FCR)
LCD_CmdWrite(0xF1,0x0F); // Font Size Control Register
}
/***************************************************************/
 
//****************************清屏
void LCD_Clearzf(void)
{
 unsigned 	int i,j;
  LCD_CmdWrite(0x60,0x00);
  LCD_CmdWrite(0x70,0x00);
     i=0;
     j=0;

while(j <8)
     {
       while(i<15)
          {
            LCD_DataWrite(0xb0);
            LCD_DataWrite(0xa0);
           i++;
          }
        i=0;
       j++;
     }

}

//******************************
void LCD_DataWrite(unsigned char WrData) 
  {
//LCD_ChkBusy();
   IO0CLR =BUSY;
    ///INT=0;
    delay(2);
    LCD_DATA = WrData;
    IO0CLR =CS1; //RA8803 Chip Enable.
    IO0SET=RRD; //
    IO0SET=RS; // RS = 1;
    IO0CLR =WWR; // WR = 0;
    IO0CLR =WWR;  // WR = 0;
    IO0CLR =WWR; // WR = 0;
    //delay(1);
    IO0SET=WWR ; // WR = 1;
    IO0SET=RS; // RS = 1;
    IO0SET=CS1; //RA8803 Chip Disable.
   }

unsigned char LCD_CmdRead(unsigned char cmdReg)

  {
    unsigned char REG_Read;
   //LCD_ChkBusy();
    delay(4);
    LCD_cmdReg = cmdReg;
    IO0CLR =CS1; //RA8803 Chip Enable.
    IO0SET=RRD;  //
    IO0CLR =RS; // RS = 0;
    IO0CLR =WWR; // WR = 0;
    //delay(10);
    IO0SET=WWR ;// WR = 1;
    IO0SET=RS; // RS = 1;
    IO0SET=CS1; //RA8803 Chip Disable.
//.................................................................
   //LCD_ChkBusy();
     delay(4);
     LCD_DATA = 0xff;
     IO0CLR =CS1; //RA8803 Chip Enable.
     IO0SET=WWR ; // WR = 1;
     IO0CLR =RS; // RS = 0;
     IO0CLR =RRD ; // RD = 0;
//delay(100);
     delay(4);
     REG_Read = LCD_DATA;
     IO0SET=RRD; // RD = 1;
     IO0SET=RS;  // RS = 1;
     IO0SET=CS1; //RA8803 Chip Disable.
    return REG_Read;
}
void LCD_ChkBusy(void)
{
do
{
}while(BUSY == 1);
}
//--- RA8803 Reset ---------------------------------------------------
void LCD_Reset(void)
  {
    //IO0SET=READY ; // LCD_RSWWRRRD/CS1/CS2 normal - skeep high.
    IO0CLR =CS1;  // RA8803 Chip Enable.
    delay(1000);
    IO0CLR =RST; // LCD RESET-pin active low.
    delay(11000); // Reset 250ms
    IO0SET=RST; // LCD RESET-pin Noraml high.
    delay(1000);

   }
//**************************写汉字
void wrhz(void)
 {
  unsigned 	int i;//,j
  LCD_CmdWrite(0x00,0xCD);
  LCD_CmdWrite(0x60,0x00);
  LCD_CmdWrite(0x70,0x00);
  for(i=0;i<15;i++)
  {
  LCD_DataWrite(0xB1);  //北
  LCD_DataWrite(0xB1);
  LCD_DataWrite(0xBE);  //京
  LCD_DataWrite(0xA9);
  LCD_DataWrite(0xC7);  //青
  LCD_DataWrite(0xE0);
  LCD_DataWrite(0xD4);  //云
  LCD_DataWrite(0xC6);
  LCD_DataWrite(0xB4);  //创
  LCD_DataWrite(0xB4);
  LCD_DataWrite(0xD0);  //新
  LCD_DataWrite(0xC2);
  LCD_DataWrite(0xBF);  //科
  LCD_DataWrite(0xC6);
  LCD_DataWrite(0xBC);  //技
  LCD_DataWrite(0xBC);
  LCD_DataWrite(0xB7);  //发
  LCD_DataWrite(0xA2);
  LCD_DataWrite(0xD5);  //展
  LCD_DataWrite(0xB9);
  LCD_DataWrite(0xD3);  //有
  LCD_DataWrite(0xD0);
  LCD_DataWrite(0xCF);  //限
  LCD_DataWrite(0xDE);
  LCD_DataWrite(0xD4);  //责
  LCD_DataWrite(0xF0);
  LCD_DataWrite(0xC8);  //任
  LCD_DataWrite(0xCE);
  LCD_DataWrite(0xB9);  //公
  LCD_DataWrite(0xAB);
  LCD_DataWrite(0xCB);  //司
  LCD_DataWrite(0xBE);
  LCD_DataWrite(0xD2);  //液
  LCD_DataWrite(0xBA);
  LCD_DataWrite(0xBE);  //晶
  LCD_DataWrite(0xA7);
  LCD_DataWrite(0xC4);  //模
  LCD_DataWrite(0xA3);
  LCD_DataWrite(0xBF);  //块
  LCD_DataWrite(0xE9);
  }
  i++;
 }

//**************************写汉字放大 
/****************************
void wrhzfd(void )
 {
  //unsigned 	int i,j;
  LCD_CmdWrite(0x00,0xCD);
  LCD_CmdWrite(0x60,0x00);
  LCD_CmdWrite(0x70,0x00);
  LCD_CmdWrite(0xF1,0xFF);

  LCD_DataWrite(0xB1);  //北
  LCD_DataWrite(0xB1);
 }
 ***********************/
//***************************写图片
/************************
 void wramap1(void) 
 {
  unsigned char Data;
  int i=0,j=0;
  LCD_CmdWrite(0x60,0x00);
  LCD_CmdWrite(0x70,0x00);
  LCD_CmdWrite(0x00,0xC5);
  LCD_CmdWrite(0x12,0x91);

  while(j < 240)
   {
   for(i = 0; i < 40; i++)
     {
      Data = map_table1[j][i];
      LCD_DataWrite(Data);
     }
    j++;

   LCD_CmdWrite(0x60,0x00);
   LCD_CmdWrite(0x70,j+00);

   }
 }
 *******************************/
//****************************
unsigned char Read_TP_ststus(void)
{
LCD_CmdWrite(0xC0,0x08); /* 平常偵測觸控螢幕狀態只要將SW3-ON 即可*/
LCD_CmdWrite(0xC1,0x35); /* ADC 初始值設定*/
delay(1000); /* delay()只是防止觸控時的雜訊抑制*/
return LCD_CmdRead(0xC1) & 0x40; /* 0xC1 位址之bit6 若為”1”，表示有觸控發生*/
}

int main (void)
{	
	PINSEL0 = 0x00000000;		// 设置管脚连接GPIO
	PINSEL1= 0x00000000;		// 设置管脚连接GPIO

   
	IO0DIR = LCD_IOCON;			// 设置l控制口

	//unsigned char y_temp,x_temp;

	LCD_Reset();
	LCD_Initial();
	
 
  	//LCD_clear();  
 
 	 wrhz();
 	 delay(1100);
 	 delay(11000);
 	 delay(11000);
 	 delay(11000);
 	 delay(11000);
 	 delay(11000);
   /******************** 

 	 wrhzfd();
 	 delay(1100);
 	 delay(11000);
 	 delay(11000);
  	delay(11000);
 	 delay(11000);
 	 delay(11000);

  	wramap1();
  	delay(11000);
  	delay(1100);
  	delay(11000);
 	 delay(11000);
 	 delay(11000);
  	delay(11000);
 	 delay(11000);
 ***************************/
 
}