LCM19264液晶显示模块的底层驱动程序，引脚连接已经在程序文件中说明.zip

#include <msp430x14x.h> const unsigned char CharMode[10][16]; /****************************定义管脚*************************/ #define DB0_DB7OUT P4OUT //定DB0_DB7为P4 #define DB0_DB7DIR P4DIR #define DB0_DB7IN P4IN //定CS1为P2.4 static void CS1_1(void) //CS1输出为高电平 { P2OUT |= BIT4; _NOP(); _NOP(); } static void CS1_0(void) //CS1输出为低电平 { P2OUT &= ~(BIT4); _NOP(); _NOP(); } //定CS2为P2.3 static void CS2_1(void) //CS2输出为高电平 { P2OUT |= BIT3; _NOP(); _NOP(); } static void CS2_0(void) //CS2输出为低电平 { P2OUT &= ~(BIT3); _NOP(); _NOP(); } //定CS3为P2.1 static void CS3_1(void) //CS3输出为高电平 { P2OUT |= BIT1; _NOP(); _NOP(); } static void CS3_0(void) //CS3输出为低电平 { P2OUT &= ~(BIT1); _NOP(); _NOP(); } //定LED为P2.0 extern void LED_1(void) //LED输出为高电平，开背光 { P2OUT |= BIT0; _NOP(); _NOP(); } extern void LED_0(void) //LED输出为低电平，关背光 { P2OUT &= ~(BIT0); _NOP(); _NOP(); } //定义RS为P5.3 static void RS_1(void) //RS输出为高电平 { P5OUT |= BIT3; _NOP(); _NOP(); } static void RS_0(void) //RS输出为低电平 { P5OUT &= ~(BIT3); _NOP(); _NOP(); } //定义RW为P5.2 static void RW_1(void) //RW输出为高电平 { P5OUT |= BIT2; _NOP(); _NOP(); } static void RW_0(void) //RW输出为低电平 { P5OUT &= ~(BIT2); _NOP(); _NOP(); } //定义E为P5.1 static void E_1(void) //E输出为高电平 { P5OUT |= BIT1; _NOP(); _NOP(); } static void E_0(void) //E输出为低电平 { P5OUT &= ~(BIT1); _NOP(); _NOP(); } //定义RES为P5.0 static void RES_1(void) //RES输出为高电平 { P5OUT |= BIT0; _NOP(); _NOP(); } static void RES_0(void) //RES输出为低电平 { P5OUT &= ~(BIT0); _NOP(); _NOP(); } /*************************************************************/ static void delay(int n) //1毫秒延时程序 { int q,m,p=500; for(m=0;m<n;m++) { for(q=0;q<p;q++); } } static void RESET() //复位 { RES_1(); delay(5); RES_0(); delay(5); } static unsigned char FZ_Data(unsigned char tem1) //数据高低为翻转 { unsigned char i,tem2=0; for(i=0;i<8;i++) { tem2=tem2>>1; tem2=tem2|(tem1&0x80); tem1=tem1<<1; } return tem2; } static unsigned char R_Data() { DB0_DB7DIR=0; return(FZ_Data(DB0_DB7IN)); } static void W_Data(unsigned char LCD_Data) { DB0_DB7DIR=255; DB0_DB7OUT=FZ_Data(LCD_Data); } static void WaitIdle() //等待空闲状态 { int i=1000; unsigned char LCD_Data; do { RS_0(); RW_1(); E_1(); LCD_Data=R_Data(); E_0(); } while((LCD_Data&0x6f!=0)&&(i--)!=0); } static void SendCommand(unsigned char LCD_Cmd) //发送命令 { WaitIdle(); RS_0(); RW_0(); E_1(); W_Data(LCD_Cmd); E_0(); } static void SendData(unsigned char LCD_Data) //发送数据 { WaitIdle(); RS_1(); RW_0(); E_1(); W_Data(LCD_Data); E_0(); } /* static unsigned char ReceiveData() //接收数据 { unsigned char LCD_Data; WaitIdle(); RS_1(); RW_1(); E_1(); LCD_Data=R_Data(); E_0(); return(LCD_Data); } */ static void LCD_CS(unsigned char n) //LCD显示屏幕选择 { switch(n) { case 0:CS1_0();CS2_1();CS3_1();break; case 1:CS1_1();CS2_0();CS3_1();break; case 2:CS1_1();CS2_1();CS3_0();break; default: CS1_0();CS2_1();CS3_1(); } } static unsigned char LCD_Row(int n) //列值转换 { LCD_CS(n/64); return((unsigned char)(n%64)); } extern void DisplayOn()//显示开 { SendCommand(0x3f); } extern void DisplayOff()//显示关 { SendCommand(0x3e); } extern void ClearScreen() //清屏 { unsigned char i,j; CS1_0(); CS2_0(); CS3_0(); for(i=0xb8;i<=0xbf;i++) { SendCommand(i); SendCommand(0x40); for(j=0;j<64;j++) SendData(0x00); } } extern void FillScreen() //黑屏 { unsigned char i,j; CS1_0(); CS2_0(); CS3_0(); for(i=0xb8;i<=0xbf;i++) { SendCommand(i); SendCommand(0x40); for(j=0;j<64;j++) SendData(0xff); } } extern void LcdDisplayInit() //显示初始化 { P2DIR|=BIT0+BIT1+BIT3+BIT4; P5DIR|=BIT0+BIT1+BIT2+BIT3; RESET(); CS1_0(); CS2_0(); CS3_0(); DisplayOn();//开显示 delay(1000); SendCommand(0xc0);//显示从零行开始 } static void WriteLine(unsigned char line,int row,int n,const unsigned char *str,unsigned char fb) //写一整行 { int row1,i; row1=LCD_Row(row); SendCommand(0xb8+line); SendCommand(0x40+row1); for(i=0;i<n;i++) { if(row%64==0) { row1=LCD_Row(row); SendCommand(0xb8+line); SendCommand(0x40+row1); } if(fb==1) SendData(~str[i]); else SendData(str[i]); row++; } } extern int LcdDisplayWord(unsigned char page,int row,const unsigned char *str,unsigned char fb)//显示汉字 { //unsigned char str=(unsigned char)st; WriteLine(page,row,16,str,fb); WriteLine(page+1,row,16,str+16,fb); return(row+16); } extern int LcdDisplayNum(unsigned char page,int row,unsigned char x,unsigned char fb)//显示数字 { unsigned char *str=(unsigned char*)CharMode; WriteLine(page,row,8,str+x*16,fb); WriteLine(page+1,row,8,(str+8)+x*16,fb); return(row+8); } extern int LcdDisplayChar(unsigned char page,int row,const unsigned char *str,unsigned char fb)//显示字符 { WriteLine(page,row,8,str,fb); WriteLine(page+1,row,8,str+8,fb); return(row+8); } extern int LcdDisplayPIC(unsigned char Addresspage,int Addressrow,int Sizerow,int Sizeline,const unsigned char *str,unsigned char fb)//显示图片 { unsigned char i; for(i=0;i<Sizeline/8;i++) WriteLine(Addresspage+i,Addressrow,Sizerow,str+Sizerow*i,fb); return(Addressrow+Sizerow); } extern int LcdClear(unsigned char Addresspage,int Addressrow,int Sizerow,int Sizepage,unsigned char fb) { int i; unsigned char str[192]={0}; for(i=0;i<Sizepage;i++) { WriteLine(Addresspage+i,Addressrow,Sizerow,str,fb); } return(Addressrow+Sizerow); } const unsigned char CharMode[10][16]= { //0 { 0x00,0xF0,0x08,0x04,0x04,0x08,0xF0,0x00, 0x00,0x07,0x08,0x10,0x10,0x08,0x07,0x00, }, //1 { 0x00,0x08,0x08,0xFC,0x00,0x00,0x00,0x00, 0x00,0x10,0x10,0x1F,0x10,0x10,0x00,0x00, }, //2 { 0x00,0x38,0x04,0x04,0x04,0xC4,0x38,0x00, 0x00,0x18,0x14,0x12,0x11,0x10,0x18,0x00, }, //3 { 0x00,0x18,0x04,0x44,0x44,0xA4,0x18,0x00, 0x00,0x0C,0x10,0x10,0x10,0x08,0x07,0x00, }, //4 { 0x00,0x80,0x60,0x10,0x08,0xFC,0x00,0x00, 0x00,0x03,0x02,0x12,0x12,0x1F,0x12,0x00, }, //5 { 0x00,0xFC,0x84,0x44,0x44,0x84,0x04,0x00, 0x00,0x0C,0x10,0x10,0x10,0x08,0x07,0x00, }, //6 { 0x00,0xF0,0x88,0x44,0x44,0x8C,0x00,0x00, 0x00,0x07,0x08,0x10,0x10,0x08,0x07,0x00, }, //7 { 0x00,0x1C,0x04,0x84,0x64,0x1C,0x04,0x00, 0x00,0x00,0x00,0x1F,0x00,0x00,0x00,0x00, }, //8 { 0x00,0x38,0x44,0x84,0x84,0x44,0x38,0x00, 0x00,0x0E,0x11,0x10,0x10,0x11,0x0E,0x00, }, //9 { 0x00,0x70,0x88,0x04,0x04,0x88,0xF0,0x00, 0x00,0x00,0x18,0x11,0x11,0x08,0x07,0x00 } };