cm240128.c

C8051ucos源码

#include "c8051F020.h"
#include "CM240128.H"
#include <absacc.h>
#include <intrins.h>
#include <string.h>

#define uchar unsigned char 

#define  lcd_rs      P3_0
#define  lcd_wr      P3_1
#define  lcd_rd      P3_2
#define  lcd_cs1     P3_3
#define  lcd_cs2     P3_4
#define  lcd_busy    P3_5 
#define  lcd_int   	 P3_6
#define  lcd_rst     P3_7

#define   DataIo     P2

#define  LcdWait()   _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();

code unsigned char IniReg[]=  {   0,   1,   2,   3,0x10,0x11,0x12,0x21,0x31,0x41,0x51,0x20,0x30,0x40,0x50,0x60,0x61,0x70,0x71,0x72,0x80,0x81,0x91,0x90,0xA0,0xA1,0xA2,0xA3,0xB0,0xB1,0xC0,0xC1,0xC8,0xC9,0xCA,0xD0,0xE0,0xF0,0xF1,0x81};
code unsigned char  IniData[]={0xC9,0xF0,0x10,0x80,0x6B,   0,0x91,0x1D,0x7F,   0,   0,0x1D,0x7F,   0,   0,   0,   0,   0,   0,0x9F,0xAA,   0,   0,0x0F,0x11,   0,   0,   0,0x27,0xEF,0x00,0x0A,0x80,0x80,   0,0x80,   0,0xA0,0x0F,0x04}; 

//------------------------------------------------------------------------------------------------------------------------------
void Lcd_WRReg(uchar regnada) 
{ 
    DataIo  = regnada; 
    lcd_cs1 = 0; // chip enable. 
    lcd_rd  = 1; // 
    lcd_rs  = 0; // rs = 0; 
    LcdWait();
    lcd_wr  = 0; // wr = 0; 
    LcdWait();
    lcd_wr  = 1; // wr = 1; 
    LcdWait();
    lcd_rs  = 1; // rs = 1; 
    lcd_cs1 = 1; // chip disable. 
}                                                
//------------------------------------------------------------------------------------------------------------------------------
void Lcd_RegWrite(uchar regname,uchar regdata)              //写资料到缓存器 
{ 
    Lcd_WRReg(regname); 
	LcdWait();
    Lcd_WRReg(regdata); 
}                       
//------------------------------------------------------------------------------------------------------------------------------
void Lcd_WRData(uchar wrdata)                               //写资料到DDRAM 
{ 

    while(lcd_busy == 1); 

    DataIo = wrdata; 
    lcd_cs1 =0; // chip enable. 
    lcd_rd = 1; // 
    lcd_rs = 1; // rs = 1; 
	LcdWait();
    lcd_wr = 0; // wr = 0; 
	LcdWait();
    lcd_wr = 1; // wr = 1; 
	LcdWait();
    lcd_rs = 1; // rs = 1; 
    lcd_cs1 =1; // chip disable. 

} 
//------------------------------------------------------------------------------------------------------------------------------
/*
uchar Lcd_ReadReg(uchar regname)                            //读缓存器 
{ 
    uchar reg_rddata; 
  
    Lcd_WRReg(regname); 
 
    DataIo = 0xff; 
    lcd_cs1 =0; // chip enable. 
    lcd_wr = 1; // wr = 1; 
    lcd_rs = 0; // rs = 0; 
    lcd_rd = 0; // rd = 0;  
    reg_rddata = DataIo; 
    lcd_rd = 1; // rd = 1; 
    lcd_rs = 1; // rs = 1; 
    lcd_cs1 =1; // chip disable. 
    return reg_rddata;          
  
} 
*/
//------------------------------------------------------------------------------------------------------------------------------

void LcdDelay(unsigned long val)
{
	while (val--);
}

/************************************************************************
函数功能:	液晶初始化函数
入口参数:	无
出口参数:	无
************************************************************************/
void Lcd_Init(void)
{
	unsigned char bI;


	lcd_rst = 1;
	lcd_rst = 0;
	LcdDelay(100000); 
	lcd_rst = 1; 
	LcdDelay(10000); 
   
    for(bI = 0; bI<sizeof(IniReg); bI++)
    {
        Lcd_RegWrite(IniReg[bI],IniData[bI]);
    }
    
//    Lcd_RegWrite(0,0x20);
//    Lcd_RegWrite(0x20,0x1d);                                /*设定显示视窗和工作视窗*/
//    Lcd_RegWrite(0x21,0x1d);
//    Lcd_RegWrite(0x30,0x7f);
//    Lcd_RegWrite(0x31,0x7f);
//    Lcd_RegWrite(0x40,0);
//    Lcd_RegWrite(0x41,0);
//    Lcd_RegWrite(0x50,0);
//    Lcd_RegWrite(0x51,0);
                                                                                      
//    Lcd_RegWrite(0xE0,0x45);                                /* 清屏 */
//    Lcd_RegWrite(0xF0,0x88);                                                                                  
    
//    Delay(1);                                  
    
//    Lcd_RegWrite(0,0xC9);                                   /*系统工作方式*/
//    Lcd_RegWrite(1,2);                                      /*系统时钟8MHZ*/
//    Lcd_RegWrite(0x90,0x0F);                                /*设定屏幕刷新周期*/
//    Lcd_RegWrite(0x10,0xff);                                /*光标*/
    
//    Lcd_RegWrite(0x60,0);                                   /*光标位置*/
//    Lcd_RegWrite(0x70,0);  
   
//	Lcd_RegWrite(0,0x20);
    Lcd_RegWrite(0x10,0x2b);
    Lcd_RegWrite(0,0xcd);
    Lcd_RegWrite(0x60,0);                                   /*光标位置*/
    Lcd_RegWrite(0x70,0);  
	//for (bI=0; bI<255 ; bI++)
	//{
	//	Lcd_WRData(0x63);
	//}
    

}
//------------------------------------------------------------------------------
void SetCurrLoc(unsigned char x,unsigned char y)
{
unsigned int i;
	Lcd_RegWrite(0x60,x);  /*光标位置*/
    Lcd_RegWrite(0x70,y); 
for(i=0;i<1000;i++);
}
//------------------------------------------------------------------------------
void ClrDisplay(void)//清屏幕
{
	Lcd_Init();
	Lcd_RegWrite(0xf0,0xa8);
}
//------------------------------------------------------------------------------
/*
void DisplayLine(unsigned char *pbuf,unsigned char len)
{
	while(len--)
		Lcd_WRData(*pbuf++);
}
*/
//------------------------------------------------------------------------------
void DisplayFill(unsigned char buf,unsigned char len)
{
	while(len--)
		Lcd_WRData(buf);
}
//------------------------------------------------------------------------------
void DisplayStr(unsigned char *pbuf,unsigned char maxcnt)
{
	while((*pbuf!=0)&&(maxcnt--!=0))
		Lcd_WRData(*pbuf++);
}
//------------------------------------------------------------------------------
//拼音输入法显示函数
//pbuf 要显示的字符串
//maxcnt 最多反白显示的字符数

void DisplayPYStr(unsigned char *pbuf,unsigned char maxcnt)
{

	Lcd_RegWrite(IniReg[4],(IniData[4]&(~0x20)));
	while((*pbuf!=0)&&(maxcnt--!=0))
		Lcd_WRData(*pbuf++);
	Lcd_RegWrite(IniReg[4],(IniData[4]|0x20));
}
//------------------------------------------------------------------------------