12864h2.c

用AVR芯片

/*使用MCU: ATMEGA8535L
  LCD MODULE: 128*64
  IC Control:S6B0108 

*/
 #include <avr/io.h>
 #include <inttypes.h>
 //#include <stdlib.h>
 #include <avr/delay.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>

#define pdout  PORTC
#define pdin   PINC
#define pcont  PORTB					
#define pcont1 PORTD

#define e   PB0
#define rw  PB1
#define rs  PB2
#define cs1 PB3
#define cs2 PB4
#define rst PD6

 #define set_Bit(val, bitn)    (val |=(1<<(bitn))) //设置某一位
 #define clr_Bit(val, bitn)    (val&=~(1<<(bitn))) //清除某一位
 #define get_Bit(val, bitn)    (val &(1<<(bitn)) ) //取某一位
#define nop()  asm("nop") 



#define TC2_EN TIMSK |= (<<1OCIE2)|(1<<TOIE2) //启动TC2定时比较和溢出
#define TC2_DIS TIMSK &=~ (1<<OCIE2)|(1<<TOIE2)//禁止TC2再定时比较和溢出
 
#define uchar unsigned char   //
#define uint  unsigned int    //

static uint g_aAdValue[8]; //A/D 转换缓冲

//static uchar g_datbuf[5];// 串口通讯数据缓冲区 接收存储空间
 static uchar datbuf1=0;
static uchar datbuf2=0;
static uchar datbuf3=0;
 static uchar datbuf4=0;

 // uchar datbuf[5]={0,0,0,0,0,};
 // static uchar g_aAdValue[5];
 static  uchar column;
 static uchar row;
 static uint example;
 static uint temp_25=93;
//static uchar columnbuf;
//static uchar rowbuf;
static uchar cursor=0x5f;
static uchar autoscroll=0;        //自动卷动标志
static uchar pwmbuf;

//=====================================================    
const prog_uchar leddat[]=     //
       {
        "0" /*0*/
        "1"/*1*/
        "2"/*2*/
        "3"/*3*/
        "4"/*4*/
        "5"/*5*/
        "6"/*6*/
        "7"/*7*/
        "8"/*8*/
        "9"/*9*/
        "A"/*A*/
        "B"/*B*/
        "C"/*C*/
        "D"/*D*/
        "E"/*E*/
        "F"/*F*/
        };
//=====================================
//
//=======================================
/////////////////8*8 dots/////////////////////////////////
const uint temper[]={  //prog_uchar temper[]={
     51,53,55,58,60,63,66,68,71,74,77,80,83,86,89,93,					//10~25
	 96,100,103,107,112,115,123,128,132,136,141,145,150,156,160,165,	//26~42	
	 170,176,182,187,192,198,204,210,216,222,228,235,242,248,254,261,	//43~58
	 268,275,															//59 60	


                };
/////////////////8*8 dots/////////////////////////////////
const prog_uchar t5x8[]={
        0x00,0x00,0x00,0x00,0x00, //" "=00H
        0x00,0x00,0x4F,0x00,0x00, //"!"=01H
        0x00,0x07,0x00,0x07,0x00, //" "=02H
        0x14,0x7F,0x14,0x7F,0x14, //"#"=03H
        0x24,0x2A,0x7F,0x2A,0x12, //"$"=04H
        0x23,0x13,0x08,0x64,0x62, //"%"=05H
        0x36,0x49,0x55,0x22,0x50, //"&"=06H
        0x00,0x05,0x03,0x00,0x00, //"'"=07H
        0x00,0x1C,0x22,0x41,0x00, //"("=08H
        0x00,0x41,0x22,0x1C,0x00, //")"=09H
        0x14,0x08,0x3E,0x08,0x14, //"*"=0AH
        0x08,0x08,0x3E,0x08,0x08, //"+"=0BH
        0x00,0x50,0x30,0x00,0x00, //";"=0CH
        0x08,0x08,0x08,0x08,0x08, //"-"=0DH
        0x00,0x60,0x60,0x00,0x00, //"."=0EH
        0x20,0x10,0x08,0x04,0x02, //"/"=0FH
        0x3E,0x51,0x49,0x45,0x3E, //"0"=10H
        0x00,0x42,0x7F,0x40,0x00, //"1"=11H
        0x42,0x61,0x51,0x49,0x46, //"2"=12H
        0x21,0x41,0x45,0x4B,0x31, //"3"=13H
        0x18,0x14,0x12,0x7F,0x10, //"4"=14H
        0x27,0x45,0x45,0x45,0x39, //"5"=15H
        0x3C,0x4A,0x49,0x49,0x30, //"6"=16H
        0x01,0x01,0x79,0x05,0x03, //"7"=17H
        0x36,0x49,0x49,0x49,0x36, //"8"=18H
        0x06,0x49,0x49,0x29,0x1E, //"9"=19H
        0x00,0x36,0x36,0x00,0x00, //":"=1AH
        0x00,0x56,0x36,0x00,0x00, //";"=1BH
        0x08,0x14,0x22,0x41,0x00, //"<"=1CH
        0x14,0x14,0x14,0x14,0x14, //"="=1DH
        0x00,0x41,0x22,0x14,0x08, //">"=1EH
        0x02,0x01,0x51,0x09,0x06, //"?"=1FH
        0x32,0x49,0x79,0x41,0x3E, //"@"=20H
        0x7E,0x11,0x11,0x11,0x7E, //"A"=21H
        0x41,0x7F,0x49,0x49,0x36, //"B"=22H
        0x3E,0x41,0x41,0x41,0x22, //"C"=23H
        0x41,0x7F,0x41,0x41,0x3E, //"D"=24H
        0x7F,0x49,0x49,0x49,0x49, //"E"=25H
        0x7F,0x09,0x09,0x09,0x01, //"F"=26H
        0x3E,0x41,0x41,0x49,0x7A, //"G"=27H
        0x7F,0x08,0x08,0x08,0x7F, //"H"=28H
        0x00,0x41,0x7F,0x41,0x00, //"I"=29H
        0x20,0x40,0x41,0x3F,0x01, //"J"=2AH
        0x7F,0x08,0x14,0x22,0x41, //"K"=2BH
        0x7F,0x40,0x40,0x40,0x40, //"L"=2CH
        0x7F,0x02,0x0C,0x02,0x7F, //"M"=2DH
        0x7F,0x04,0x08,0x10,0x7F, //"N"=2EH
        0x3E,0x41,0x41,0x41,0x3E, //"O"=2FH
        0x7F,0x09,0x09,0x09,0x06, //"P"=30H
        0x3E,0x41,0x51,0x21,0x5E, //"Q"=31H
        0x7F,0x09,0x19,0x29,0x46, //"R"=32H
        0x26,0x49,0x49,0x49,0x32, //"S"=33H
        0x01,0x01,0x7F,0x01,0x01, //"T"=34H
        0x3F,0x40,0x40,0x40,0x3F, //"U"=35H
        0x1F,0x20,0x40,0x20,0x1F, //"V"=36H
        0x7F,0x20,0x18,0x20,0x7F, //"W"=37H
        0x63,0x14,0x08,0x14,0x63, //"X"=38H
        0x07,0x08,0x70,0x08,0x07, //"Y"=39H
        0x61,0x51,0x49,0x45,0x43, //"Z"=3AH
        0x00,0x7F,0x41,0x41,0x00, //"["=3BH
        0x02,0x04,0x08,0x10,0x20, //"\"=3CH
        0x00,0x41,0x41,0x7F,0x00, //"]"=3DH
        0x04,0x02,0x01,0x02,0x04, //"^"=3EH
        0x40,0x40,0x40,0x40,0x40, //"_"=3FH
        0x01,0x02,0x04,0x00,0x00, //"|"=40H
        0x20,0x54,0x54,0x54,0x78, //"a"=41H
        0x7F,0x48,0x44,0x44,0x38, //"b"=42H
        0x38,0x44,0x44,0x44,0x20, //"c"=43H
        0x38,0x44,0x44,0x48,0x7F, //"d"=44H
        0x38,0x54,0x54,0x54,0x18, //"e"=45H
        0x08,0x7E,0x09,0x01,0x02, //"f"=46H
        0x0C,0x52,0x52,0x52,0x3E, //"g"=47H
        0x7F,0x08,0x04,0x04,0x78, //"h"=48H
        0x00,0x44,0x7D,0x40,0x00, //"i"=49H
        0x20,0x40,0x44,0x3D,0x00, //"j"=4AH
        0x00,0x7F,0x10,0x28,0x44, //"k"=4BH
        0x00,0x41,0x7F,0x40,0x00, //"l"=4CH
        0x7C,0x04,0x78,0x04,0x78, //"m"=4DH
        0x7C,0x08,0x04,0x04,0x78, //"n"=4EH
        0x38,0x44,0x44,0x44,0x38, //"o"=4FH
        0x7C,0x14,0x14,0x14,0x08, //"p"=50H
        0x08,0x14,0x14,0x18,0x7C, //"q"=51H
        0x7C,0x08,0x04,0x04,0x08, //"r"=52H
        0x48,0x54,0x54,0x54,0x20, //"s"=53H
        0x04,0x3F,0x44,0x40,0x20, //"t"=54H
        0x3C,0x40,0x40,0x3C,0x40, //"u"=55H
        0x1C,0x20,0x40,0x20,0x1C, //"v"=56H
        0x3C,0x40,0x30,0x40,0x3C, //"w"=57H
        0x44,0x28,0x10,0x28,0x44, //"x"=58H
        0x1C,0xA0,0xA0,0x90,0x7C, //"y"=59H
        0x44,0x64,0x54,0x4C,0x44, //"z"=5AH
        0x00,0x08,0x36,0x41,0x00, //"{"=5BH
        0x00,0x00,0x77,0x00,0x00, //"|"=5CH
        0x00,0x41,0x36,0x08,0x00, //"}"=5DH
        0x08,0x08,0x2A,0x1C,0x08, //"->"=5EH
        0x08,0x1C,0x2A,0x08,0x08, //"<-"=5FH
      };

 //=================================


//=======================================

void delay(uchar n)
  {
	uchar i,j;
    for (i=0; i<n; i++)
			{
			 for(j=0; j<255;j++){}
			}
  }
//======================================
//====================================
// LCM WRITE AND READ COMMAD 
//===================================
///========== 忙标志 =============/
//#pragma disable   //保证程序在对信号量进行操作期间不被中断，避免发生错误
 void busy()
  {
 uchar dat;
 set_Bit(pcont,rw);	
 clr_Bit(pcont,rs);		//rs=0,rw=1;
 do
 {
 set_Bit(pcont,e);		// e=1;	
 nop();
 nop();
 DDRC&= ~0x80;
 nop();
 nop();
 dat=pdin;
 nop();
 nop();
 clr_Bit(pcont,e);		// e=0;
 }
 while ((dat&0x80)!=0);
 DDRC=0xff;
 
}

//=========================================

void IC_select(uchar m)
{
switch (m)
    {
    case 0:
	   clr_Bit(pcont,cs2);	
 	   set_Bit(pcont,cs1); //cs1=1,cs2=0;     //select IC1
       break;
    case 1:
	   clr_Bit(pcont,cs1);	
 	   set_Bit(pcont,cs2); //cs1=0,cs2=1;     //select IC2
       break;
    case 2:
	   set_Bit(pcont,cs1);	
   	   set_Bit(pcont,cs2); //cs1=1,cs2=1;    //select IC1 and IC2
       break;
       }
}  
//=============== 写数据 ==============/
//#pragma disable
void write(uchar dat,uchar m)
{
   IC_select(m);
   busy();//delay(1);				//busy();
   nop();
   nop();
   clr_Bit(pcont,rw);	
   set_Bit(pcont,rs);		//rs=1,rw=0;
   pdout=dat;				//P1=dat;
   set_Bit(pcont,e);		// e=1;
   nop();
   nop();
   clr_Bit(pcont,e);		//e=0;
   clr_Bit(pcont,cs1);	
   clr_Bit(pcont,cs2);  	//cs1=1,cs2=1;
}
//============ 写数据========== //
//#pragma disable
void ctrl(uchar dat,uchar m)
{
   IC_select(m);
   busy();//delay(1);				//busy();
   nop();
   nop();
   clr_Bit(pcont,rw);	
   clr_Bit(pcont,rs);		//rs=0,rw=0;
   nop();
   set_Bit(pcont,e);		// e=1;
   nop();
   nop();
   pdout=dat;				//P1=dat;
   nop();
   nop();
   clr_Bit(pcont,e);		//e=0;
   clr_Bit(pcont,cs1);	
   clr_Bit(pcont,cs2); 		//cs1=0,cs2=0;
}

//========== 读数据 ===============/
//#pragma disable
uchar read(uchar m)
{
 uchar dat;
 IC_select(m);
 busy(); //delay(1);				// busy();
 nop();
 nop();
 set_Bit(pcont,rw);	
 set_Bit(pcont,rs);		//rs=1,rw=1;
 set_Bit(pcont,e);		// e=1;
 nop();
 nop();				
 dat=pdin;
 nop();
 nop();
 clr_Bit(pcont,e);		//e=0;
 clr_Bit(pcont,cs1);	
 clr_Bit(pcont,cs2);  	//cs1=0,cs2=0;
 return(dat);
}
//==============================================
//Clear display
//==============================================
void  cleardisplay()
{
  uchar i,w;
  for(i=0;i<8;i++)
     {
     ctrl(i|0xb8,2);  //页地址设置 //ctrl(i+z,2);  //页地址设置//
     ctrl(0xc0,2);
     ctrl(0x40,2); //设定列地址//
     for(w=0;w<64;w++) 
	 		{write(0,2);	}
     }
}

//====================================
void lcd_init()
{
 clr_Bit(pcont1,rst);	//reset=0;
 delay(1);
 set_Bit(pcont1,rst);	// reset=1;
 ctrl(0x3f,2);			//显示开关
 cleardisplay();		//清显示
}
////////////////////////////////////////////////
//在x 列地址中写入 显示数据
// x地址,dat 显示数据,s (0或/ 1与/ 2异或 3替换)
///////////////////////////////////////////////
//if (tinib[1]==1) d=~d; //reverse display
//#pragma disable
void disp(uchar x,uchar dat,uchar s)
 {
 uchar temp,i;
 if(x<64){i=0;}  // 左半屏
 else {i=1;}     // 右半屏

 ctrl(x|0x40,i);     //set column address
 if(s==3) {temp=dat;}
 else
     {
       temp=read(i);            //read display RAM
       temp=read(i);