lcd12864s_430_easynet.c

串行的LCD12864液晶的MSP430显示程序 可以配合EasyNET-430上的接口使用

/**********************************************************/
//MSP430 EasyNET V1.2 Developping Components - [LCD12864S_430_EASYNET.C]
////->>> http://www.just430.cn
////->>> tel :[phone]
////->>> 2008年04月09日修改
/**********************************************************/
//MSP430 EasyNET V1.2 - LCD12864(字符型)液晶显示驱动
/*********************************************************/

#include <msp430x14x.h>

#define LCD_CS		BIT4			//LCD_CS -> P1.4
#define LCD_CS_DIR	P1DIR
#define LCD_CS_HI	P1OUT |= LCD_CS
#define LCD_CS_LO	P1OUT &= ~LCD_CS

#define LCD_DAT		BIT5			//LCD_DAT -> P1.5
#define LCD_DAT_DIR	P1DIR
#define LCD_DAT_IN	P1IN
#define LCD_DAT_HI	P1OUT |= LCD_DAT
#define LCD_DAT_LO	P1OUT &= ~LCD_DAT

#define LCD_CLK		BIT6			//LCD_CLK -> P1.6
#define LCD_CLK_DIR	P1DIR
#define LCD_CLK_HI	P1OUT |= LCD_CLK
#define LCD_CLK_LO	P1OUT &= ~LCD_CLK

#define LCD_PSB		BIT0			//LCD_PSB -> P6.0
#define LCD_PSB_DIR	P6DIR
#define LCD_PSB_HI	P6OUT |= LCD_PSB
#define LCD_PSB_LO	P6OUT &= ~LCD_PSB

#define	LCD_RST		BIT7			//LCD_RST -> P1.7
#define LCD_RST_DIR	P1DIR
#define LCD_RST_LO	P1OUT &= ~LCD_RST
#define LCD_RST_HI	P1OUT |= LCD_RST


void InitOSC(void);
void LCD_Init(void);
unsigned char CheckBusy(void);
void LCD_Delayt(unsigned int dtime);
void LCD_WriteComm(unsigned char wdata);
void LCD_WriteByte(unsigned char wdata);
void LCD_SetXY(unsigned char X,unsigned char Y);
void LCD_WriteDEC(unsigned char X,unsigned char Y,unsigned char Num);
void LCD_WriteString(unsigned char X,unsigned char Y,unsigned char *String);
void LCD_Draw();

const unsigned char Tianwei[64][16]= {
0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x0F,0x00,0x00,0x00,0x00,0x01,0xDF,0x7C,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xFF,0x0F,0xC0,0x00,0x00,0x00,0x01,0xFF,0xFE,0x00,0x00,0x00,
0x00,0x00,0x00,0x01,0xFF,0x03,0xF8,0x00,0x00,0x00,0x07,0xFF,0xFF,0xA0,0x00,0x00,
0x00,0x00,0x00,0x07,0xFF,0x83,0xFE,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xF0,0x00,0x00,
0x00,0x00,0x00,0x3F,0xFF,0x83,0xFF,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xF8,0x00,0x00,
0x00,0x00,0x00,0x7F,0xFF,0x81,0xFF,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xF8,0x00,0x00,
0x00,0x00,0x00,0xFF,0xFF,0x81,0xFF,0xC0,0x00,0x07,0xFF,0xFF,0xFF,0xFE,0x00,0x00,
0x00,0x00,0x03,0xFF,0xFF,0x81,0xFF,0xC0,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0x00,0x00,
0x00,0x00,0x07,0xFF,0xFF,0x01,0xFF,0xE0,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0x80,0x00,
0x00,0x00,0x0F,0xFF,0xFF,0x01,0xFF,0xF0,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0x80,0x00,
0x00,0x00,0x1F,0xFF,0xFF,0x0F,0xFF,0xF8,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,
0x00,0x00,0x7F,0xFF,0xFF,0x0F,0xFF,0xF8,0x00,0x7F,0xFC,0xC1,0xFF,0xFF,0xE0,0x00,
0x00,0x00,0xFF,0xC0,0x07,0xFF,0xFF,0xFC,0x01,0xFF,0xF8,0x00,0x07,0xFF,0xE0,0x00,
0x00,0x00,0xFF,0x00,0x01,0xFF,0xFF,0xFC,0x03,0xFF,0xC0,0x00,0x01,0xFF,0xE0,0x00,
0x00,0x01,0xFC,0x00,0x00,0x7F,0xFF,0xFC,0x0F,0xFF,0x00,0x00,0x00,0x7F,0xE0,0x00,
0x00,0x03,0xF8,0x00,0x00,0x3F,0xFF,0xFC,0x0F,0xFC,0x00,0x00,0x00,0x1F,0xF0,0x00,
0x00,0x03,0xE0,0x00,0x00,0x1F,0xFF,0xFC,0x0F,0xFC,0x00,0x00,0x00,0x0F,0xE0,0x00,
0x00,0x0F,0xC0,0x00,0x00,0x0F,0xFF,0xFC,0x1F,0xC8,0x00,0x00,0x00,0x0F,0xF0,0x00,
0x00,0x0F,0x80,0x00,0x00,0x07,0xFF,0xFE,0x1F,0x00,0x00,0x00,0x00,0x07,0xF0,0x00,
0x00,0x0F,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x07,0xF0,0x00,
0x00,0x1F,0x00,0x00,0x00,0x03,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x07,0xE0,0x00,
0x00,0x3C,0x00,0x00,0x00,0x03,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x07,0xE0,0x00,
0x00,0x7C,0x00,0x00,0x00,0x01,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x07,0xF0,0x00,
0x00,0xF8,0x00,0x00,0x00,0x01,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x03,0xC0,0x00,
0x00,0xF8,0x00,0x00,0x00,0x00,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,0x03,0x00,0x00,
0x00,0xF0,0x00,0x00,0x00,0x00,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xF0,0x00,0x00,0x00,0x00,0x7F,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0xE0,0x00,0x00,0x00,0x00,0x7F,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0xE0,0x00,0x00,0x00,0x00,0x3F,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0xE0,0x00,0x00,0x00,0x00,0x3F,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0xC0,0x00,0x00,0x00,0x00,0x3F,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0xC0,0x00,0x00,0x00,0x00,0x1F,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0xC0,0x00,0x00,0x00,0x00,0x1F,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x07,0xC0,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x07,0xC0,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x07,0xC0,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x07,0xC0,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x07,0xC0,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x07,0xE0,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x0F,0xE0,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,
0x0F,0xE0,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0xE0,0x00,0x00,
0x1F,0xE0,0x00,0x00,0x00,0x1F,0xC3,0xFF,0xFF,0xC0,0x00,0x00,0x01,0xE0,0x00,0x00,
0x07,0xF0,0x00,0x00,0x00,0x7F,0xC3,0xFF,0xFF,0xC0,0x00,0x00,0x03,0xC0,0x00,0x00,
0x07,0xF0,0x00,0x00,0x00,0xFF,0x01,0xFF,0xFF,0xE0,0x00,0x00,0x0F,0xC0,0x00,0x00,
0x07,0xF8,0x00,0x00,0x03,0xFE,0x01,0xFF,0xFF,0xF8,0x00,0x00,0x1F,0x80,0x00,0x00,
0x07,0xFE,0x00,0x00,0x00,0xFC,0x01,0xFF,0xFF,0xFF,0x00,0x00,0x3F,0x80,0x00,0x00,
0x07,0xFF,0xC0,0x01,0x80,0xF8,0x00,0xFF,0xFF,0xFF,0xC0,0x00,0xFF,0x00,0x00,0x00,
0x03,0xFF,0xFC,0x0F,0xE0,0xF0,0x00,0xFF,0xFF,0xFF,0xE0,0x03,0xFE,0x00,0x00,0x00,
0x03,0xFF,0xFF,0xFF,0xE0,0xE0,0x00,0x7F,0xFF,0xFF,0xF8,0x47,0xFC,0x00,0x00,0x00,
0x03,0xFF,0xFF,0xFF,0xE1,0xC0,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,
0x01,0xFF,0xFF,0xFF,0xE1,0x80,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,
0x01,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,
0x00,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,
0x00,0x7F,0xFF,0xFF,0xFF,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,
0x00,0x7F,0xFF,0xFF,0xFC,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,
0x00,0x1F,0xFF,0xFF,0xFC,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,
0x00,0x1F,0xFF,0xFF,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,
0x00,0x03,0xFF,0xFE,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x7F,0xFE,0x00,0x00,0x00,0x00,0x3F,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x70,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00
};

unsigned char *aaa = "这是第一行吗？";

void main(void) {	
  
	WDTCTL = WDTPW + WDTHOLD;
	
	InitOSC();
	
	LCD_Init();
	/*
	LCD_Draw();
	
	LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
	LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
	LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
	LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
	LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
	LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
	LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
	LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
	
	LCD_Init();LCD_Delayt(5000);
	*/
	while(1) {
		LCD_WriteString(1,1,aaa);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_WriteString(1,1,"这是第一行的！");
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
		LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);LCD_Delayt(50000);
	}
}

void InitOSC(void) {
	unsigned char i,j;			//设置系统时钟
	BCSCTL1	= 0x00;				//启动XT2晶振，ACLK为XT1(32KHz)
	BCSCTL2	= 0x88;				//MCLK为XT2不分频;SMCLK为XT2,4MHz
	j=0;
	while(1) {
		IFG1 &= ~OFIFG;			//清OSCFault标志
		for (i=0xFF;i>0;--i);		//延时等待
		if ((IFG1 & OFIFG)!=0) {
			BCSCTL1 = 0x00;		//启动XT2晶振，ACLK为XT1(32KHz)
			BCSCTL2 = 0X88;		//MCLK为XT2不分频,SMCLK为XT2不分频
			j++;			//如果检测到振荡器失效，则计数
			if (j>10)		//如果计数值超过10次，则认为是硬件问题
				;		//OSCFault();
		} 
		else {
			for (i=0xFF;i>0;--i);	//等待振荡器达到足够的幅度
			IFG1 &= ~OFIFG;		//清OSCFault标志
			IE1 |= OFIE + ACCVIE;	//振荡器故障，FLASH非法访问中断允许
			break;
		}
	}
}

void LCD_Init(void) {  
  	LCD_RST_DIR |= LCD_RST;			//RST -> 复位输出
	LCD_RST_LO;				//复位状态

	LCD_CLK_DIR |= LCD_CLK;
	LCD_CLK_LO;

	LCD_DAT_DIR |= LCD_DAT;
	LCD_DAT_LO;

	LCD_CS_DIR |= LCD_CS;
	LCD_CS_LO;
	
	LCD_RST_HI;
	
	LCD_WriteComm(0x30);			//设定基本指令集
	LCD_WriteComm(0x01);			//清除显示
	LCD_WriteComm(0x02);			//地址归位
	LCD_WriteComm(0x0c);			//开显示状态
	LCD_WriteComm(0x03);
	LCD_WriteComm(0x06);			//进入设定点
}

void LCD_Delayt(unsigned int dtime) {
	unsigned int itemp;
	for(itemp=0;itemp<dtime;itemp++);
}

unsigned char CheckBusy(void) {
	unsigned char itemp;
	unsigned char Read = 0XFC;		//判断是否忙的指令
	unsigned char Read_H,Read_L;

	LCD_CS_LO;
	LCD_CLK_LO;
	LCD_DAT_LO;

	LCD_CS_HI;

	for(itemp=0;itemp<8;itemp++) {
		if((Read<<itemp) & BIT7)
			LCD_DAT_HI;
		else
			LCD_DAT_LO;
		LCD_CLK_HI;
		_NOP();
		LCD_CLK_LO;
	}
	
	LCD_DAT_DIR &= ~LCD_DAT;
	for(itemp=0;itemp<8;itemp++) {
		LCD_CLK_LO;
		LCD_CLK_HI;
		Read<<=1;
		if((LCD_DAT_IN&LCD_DAT) == LCD_DAT)
			Read |= BIT0;
		else
			Read &= ~BIT0;
	}
	Read_H = Read;
	for(itemp=0;itemp<8;itemp++) {
		LCD_CLK_LO;
		LCD_CLK_HI;
		Read<<=1;
		if((LCD_DAT_IN&LCD_DAT) == LCD_DAT)
			Read |= BIT0;
		else
			Read &= ~BIT0;
	}

	LCD_CS_LO;
	
	LCD_DAT_DIR |= LCD_DAT;
	LCD_DAT_LO;
	
	Read_L = Read>>4;
	Read = Read_H|Read_L;
	return(Read);
}

void LCD_WriteComm(unsigned char wdata) {
	unsigned char itemp;
	unsigned char jtemp=0xf8;
	
	do {
		itemp = CheckBusy();  
	}while(itemp&0x80);
	
	LCD_CS_LO;
	LCD_CLK_LO;
	LCD_DAT_LO;
	
	LCD_CS_HI;

	for(itemp=0;itemp<8;itemp++) {
		if((jtemp<<itemp) & BIT7)
			LCD_DAT_HI;
		else
			LCD_DAT_LO;
		LCD_CLK_HI;
		_NOP();
		LCD_CLK_LO;
	}

	jtemp = wdata&0xf0;
	for(itemp=0;itemp<8;itemp++) {
		if((jtemp<<itemp) & BIT7)
			LCD_DAT_HI;
		else
			LCD_DAT_LO;
		LCD_CLK_HI;
		_NOP();
		LCD_CLK_LO;
	}
	
	itemp = wdata&0x0f;
	jtemp = (itemp<<4)&0xf0;
	for(itemp=0;itemp<8;itemp++) {
		if((jtemp<<itemp) & BIT7)
			LCD_DAT_HI;
		else
			LCD_DAT_LO;
		LCD_CLK_HI;
		_NOP();
		LCD_CLK_LO;
	}
	
	LCD_CS_LO;
}

void LCD_WriteByte(unsigned char wdata) {
	unsigned char itemp;
	unsigned char jtemp=0xfa;
	
	do {
		itemp = CheckBusy();  
	}while(itemp&0x80);
	
	LCD_CS_LO;
	LCD_CLK_LO;
	LCD_DAT_LO;
	
	LCD_CS_HI;

	for(itemp=0;itemp<8;itemp++) {
		if((jtemp<<itemp) & BIT7)
			LCD_DAT_HI;
		else
			LCD_DAT_LO;
		LCD_CLK_HI;
		_NOP();
		LCD_CLK_LO;
	}

	jtemp = wdata&0xf0;
	for(itemp=0;itemp<8;itemp++) {
		if((jtemp<<itemp) & BIT7)
			LCD_DAT_HI;
		else
			LCD_DAT_LO;
		LCD_CLK_HI;
		_NOP();
		LCD_CLK_LO;
	}
	
	itemp = wdata&0x0f;
	jtemp = (itemp<<4)&0xf0;
	for(itemp=0;itemp<8;itemp++) {
		if((jtemp<<itemp) & BIT7)
			LCD_DAT_HI;
		else
			LCD_DAT_LO;
		LCD_CLK_HI;
		_NOP();
		LCD_CLK_LO;
	}
	
	LCD_CS_LO;
}

void LCD_SetXY(unsigned char X, unsigned char Y) {
	switch(Y) {
		case 1:
			LCD_WriteComm(0x7F + X);
			break;
		case 2:
			LCD_WriteComm(0x8F + X);
			break;
		case 3:
			LCD_WriteComm(0x87 + X);
			break;
		case 4:
			LCD_WriteComm(0x97 + X);
	}
}

void LCD_WriteString(unsigned char X,unsigned char Y,unsigned char *String) {
	unsigned char temp;
	LCD_SetXY(X,Y);
	temp = *String;
	while(temp!=0) {
		LCD_WriteByte(temp);
		temp = *(++String);
	}  
}

void LCD_WriteDEC(unsigned char X,unsigned char Y,unsigned char Num) {
	LCD_SetXY(X,Y);
	LCD_WriteByte((Num/10) + 0x30);
	LCD_WriteByte((Num%10) + 0x30);
}

void LCD_Draw() {
	unsigned char itemp,jtemp;
	unsigned char X = 0x80,Y = 0x80;
	LCD_WriteComm(0x0c);
	LCD_WriteComm(0x34);
	for (itemp=0;itemp<64;itemp++) {
		for(jtemp=0;jtemp<8;jtemp++) {
			LCD_WriteComm(Y);
			LCD_WriteComm(X);
			LCD_WriteByte(Tianwei[itemp][(jtemp<<1)]);
			LCD_WriteByte(Tianwei[itemp][(jtemp<<1)+1]);
             		X++;
          	}
		Y++;
		if(Y>0x9f)Y=0x80;
		X=0x80+(((itemp+1)>>5)<<3);
	}
	LCD_WriteComm(0x36);
	LCD_WriteComm(0x30);                       
}