?? main.c
字號(hào):
/*******************************************
文件：YJ12864.C
環(huán)境：編譯為ICC AVR6.25A，仿真為AVR Studio4.10
硬件：ATMEGA16芯片
日期：2006年12月10日
功能：驅(qū)動(dòng)開發(fā)板上的12864液晶
備注：參考《AVR系列單片機(jī)C語(yǔ)言編程與應(yīng)用實(shí)例》（清華大學(xué)出版社）
/******************************************/
#include "iom16v.h" //包含型號(hào)頭文件
#include "macros.h" //包含"位"操作頭文件
#include "stdio.h" //標(biāo)準(zhǔn)輸入輸出頭文件
#include "AVR_PQ1A.h"//包含自定義常量頭文件
#pragma data:code //以下是字模工具取出的圖片數(shù)組
const uchar GDRAM[1024]={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,
0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x7F,0xFF,0xC0,0xFF,0xFF,0x80,0xFF,0xFF,0x80,0xFF,0xFF,0x83,0xFF,0xFE,0x04,
0x20,0x40,0x00,0x40,0x80,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x82,0x00,0x02,0x04,
0x20,0x40,0x00,0x40,0x80,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x82,0x00,0x02,0x04,
0x20,0x40,0x00,0x40,0x80,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x82,0x00,0x02,0x04,
0x20,0x40,0x00,0x40,0x80,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x82,0x00,0x02,0x04,
0x20,0x40,0x00,0x40,0x80,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x82,0x00,0x02,0x04,
0x20,0x40,0x00,0x40,0x80,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x82,0x00,0x02,0x04,
0x20,0x40,0x00,0x40,0x80,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x82,0x00,0x02,0x04,
0x20,0x40,0x00,0x40,0x80,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x82,0x00,0x02,0x04,
0x20,0x40,0x00,0x40,0x80,0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x82,0x00,0x02,0x04,
0x20,0x7F,0xFF,0xC0,0xFF,0xFF,0x80,0xFF,0xFF,0x80,0xFF,0xFF,0x83,0xFF,0xFE,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x2F,0xFF,0xFF,0xFF,0xC1,0xF8,0x7F,0xBF,0xC1,0xE3,0x9C,0x00,0x78,0x1E,0x3F,0xC4,
0x26,0xD9,0xB6,0x6D,0x80,0x60,0x33,0x1B,0x63,0x31,0x8C,0x00,0xCC,0x33,0x1B,0x64,
0x26,0xD9,0xB6,0x6D,0x80,0x60,0x1E,0x1B,0x66,0x31,0x8C,0x01,0x8C,0x61,0x9B,0x64,
0x27,0xF9,0xFE,0x7F,0x80,0x60,0x0C,0x1B,0x66,0x01,0x8C,0x01,0x80,0x61,0x9B,0x64,
0x27,0xF9,0xFE,0x7F,0x80,0x60,0x1E,0x1B,0x66,0x01,0x8C,0x01,0x80,0x61,0x9B,0x64,
0x23,0x30,0xCC,0x33,0x1C,0x6C,0x33,0x1B,0x63,0x31,0x9C,0x70,0xCC,0x33,0x1B,0x64,
0x23,0x30,0xCC,0x33,0x1C,0x78,0x7F,0xBF,0xF1,0xE0,0xFC,0x70,0x78,0x1E,0x3F,0xF4,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,
0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,
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};
#pragma data:data
/*******************************************
函數(shù)名稱: LCD12864_portini
功 能: 初始化12864液晶用到的IO口
參 數(shù): 無(wú)
返回值 : 無(wú)
/********************************************/
void LCD12864_portini(void)
{
LCDb_CTRL_DDR |= BIT(LCDb_RS)|BIT(LCDb_RW)|BIT(LCDb_E)|BIT(LCDb_RST);//配置控制管腳為輸出
LCDb_DATA_DDR |= 0xFF; //配置數(shù)據(jù)管腳為輸出
LCDb_SET_RST; //不使能復(fù)位端
}
/*******************************************
函數(shù)名稱: LCD12864_readbyte
功 能: 從12864液晶讀出一個(gè)字節(jié)數(shù)據(jù)或者指令
參 數(shù): DatCmd--為iDat時(shí)是數(shù)據(jù)，為iCmd時(shí)是指令
返回值 : dByte--讀回的數(shù)據(jù)或者指令
/********************************************/
uchar LCD12864_readbyte(uchar DatCmd)
{
uchar dByte;
if (DatCmd == iCmd) //指令操作
LCDb_CLR_RS;
else
LCDb_SET_RS;
LCDb_SET_RW; //讀操作
LCDb_SET_E;
LCDb_DATA_DDR=0x00; //數(shù)據(jù)總線定義為輸入
dByte=LCDb_DI; //讀數(shù)據(jù)或者指令
Delayms(1); //時(shí)序調(diào)整
LCDb_CLR_E;
LCDb_DATA_DDR|=0xff; //數(shù)據(jù)總線還原為輸出
return dByte;
}
/*******************************************
函數(shù)名稱: LCD12864_sendbyte
功 能: 向12864液晶寫入一個(gè)字節(jié)數(shù)據(jù)或者指令
參 數(shù): DatCmd--為iDat時(shí)是數(shù)據(jù)，為iCmd時(shí)是指令
dByte--為寫入12864的數(shù)據(jù)或者指令
返回值 : 無(wú)
/********************************************/
void LCD12864_sendbyte(uchar DatCmd, uchar dByte)
{
if (DatCmd == iCmd) //指令操作
LCDb_CLR_RS;
else
LCDb_SET_RS;
LCDb_CLR_RW; //寫操作
LCDb_SET_E;
LCDb_DO = dByte; //寫入數(shù)據(jù)
Delayus(100);
LCDb_CLR_E;
}
/*******************************************
函數(shù)名稱: LCD12864_sendstr
功 能: 向12864液晶寫入一個(gè)字符串
參 數(shù): ptString--字符串指針
返回值 : 無(wú)
/********************************************/
void LCD12864_sendstr(uchar *ptString)
{
while((*ptString)!='\0') //字符串未結(jié)束一直寫
{
LCD12864_sendbyte(iDat, *ptString++);
}
}
/*******************************************
函數(shù)名稱: LCD12864_clear
功 能: 12864液晶清屏
參 數(shù): 無(wú)
返回值 : 無(wú)
/********************************************/
void LCD12864_clear(void)
{
LCD12864_sendbyte(iCmd,LCDb_CLS);
Delayms(2);// 清屏指令寫入后，2ms 的延時(shí)是很必要的!!!
}
/*******************************************
函數(shù)名稱: LCD12864_readBF
功 能: 12864液晶清屏
參 數(shù): 無(wú)
返回值 : busy--為1時(shí)忙，為0時(shí)可以接收指令
/********************************************/
uchar LCD12864_readBF(void)
{
uchar busy;
busy=LCD12864_readbyte(iCmd); //讀回BF標(biāo)志和地址
if(busy&0x80) //如果忙，返回忙狀態(tài)
busy=1;
else //不忙，可以寫入
busy=0;
return busy;
}
/*******************************************
函數(shù)名稱: LCD12864_gotoXY
功 能: 移動(dòng)到指定位置
參 數(shù): Row--指定的行
Col--指定的列
返回值 : 無(wú)
/********************************************/
void LCD12864_gotoXY(uchar Row, uchar Col)
{
switch (Row) //選擇行
{
case 2:
LCD12864_sendbyte(iCmd, LCDb_L2 + Col); break; //寫入第2行的指定列
case 3:
LCD12864_sendbyte(iCmd, LCDb_L3 + Col); break; //寫入第3行的指定列
case 4:
LCD12864_sendbyte(iCmd, LCDb_L4 + Col); break; //寫入第4行的指定列
default:
LCD12864_sendbyte(iCmd, LCDb_L1 + Col); break; //寫入第1行的指定列
}
}
/*******************************************
函數(shù)名稱: LCD12864_initial
功 能: 12864液晶初始化
參 數(shù): 無(wú)
返回值 : 無(wú)
/********************************************/
void LCD12864_initial(void)
{
Delayms(100); // 等待內(nèi)部復(fù)位
LCD12864_portini(); //端口初始化
LCD12864_sendbyte(iCmd, LCDb_FUNCTION); //功能、模式設(shè)定
while(LCD12864_readBF());
LCD12864_sendbyte(iCmd, LCDb_ON); //打開顯示
while(LCD12864_readBF());
LCD12864_clear(); //清屏
while(LCD12864_readBF());
LCD12864_sendbyte(iCmd, LCDb_ENTRY); // 輸入模式設(shè)定
}
/*******************************************
函數(shù)名稱: LCD12864_opGDRAM
功 能: 向GDRAM寫入數(shù)據(jù),并顯示（完成繪圖功能）
參 數(shù): ptGDRAM--GDRAM數(shù)據(jù)指針
返回值 : 無(wú)
/********************************************/
void LCD12864_opGDRAM(const uchar *ptGDRAM)
{
uchar i,j;
uint x=0;
while(LCD12864_readBF()); //讀忙標(biāo)志
LCD12864_sendbyte(iCmd,LCDb_EXTCMD1); //擴(kuò)充指令集，并關(guān)閉繪圖顯示
//寫入并顯示上半屏幕
for(i=0;i<32;i++) //行地址計(jì)數(shù)
{
for(j=0;j<8;j++) //列地址計(jì)數(shù)
{
LCD12864_sendbyte(iCmd,0x80|i);//輸入行地址
Delayus(10);
LCD12864_sendbyte(iCmd,0x80|j);//輸入列地址
Delayus(10);
LCD12864_sendbyte(iDat,ptGDRAM[x++]); //輸入高位字節(jié)數(shù)據(jù)
Delayus(10);
LCD12864_sendbyte(iDat,ptGDRAM[x++]); //輸入低位字節(jié)數(shù)據(jù)
Delayus(10);
}
}
//寫入并顯示下半屏幕
for(i=0;i<32;i++)
{
for(j=8;j<16;j++)
{
LCD12864_sendbyte(iCmd,0x80|i);//輸入行地址
Delayus(10);
LCD12864_sendbyte(iCmd,0x80|j);//輸入列地址
Delayus(10);
LCD12864_sendbyte(iDat,ptGDRAM[x++]); //輸入高位字節(jié)數(shù)據(jù)
Delayus(10);
LCD12864_sendbyte(iDat,ptGDRAM[x++]); //輸入低位字節(jié)數(shù)據(jù)
Delayus(10);
}
}
Delayus(10);
LCD12864_sendbyte(iCmd,LCDb_EXTCMD2); //打開繪圖顯示
LCD12864_sendbyte(iCmd,LCDb_BASCMD); //還原回基本指令集模式
}
/*******************************************
函數(shù)名稱: main
功 能: 12864液晶驅(qū)動(dòng)主程序
參 數(shù): 無(wú)
返回值 : 無(wú)
/********************************************/
void main(void)
{
uchar i;
Board_init( ); //初始化開發(fā)板
LCD12864_initial(); //初始化12864液晶
while(1)
{
LCD12864_clear();
while(LCD12864_readBF());
LCD12864_gotoXY(1,0); //第1行，第1列顯示
LCD12864_sendstr("AVR_PQ1A 開發(fā)板");
LCD12864_gotoXY(2,2); //第2行，第3列顯示
LCD12864_sendstr("皮球制作");
LCD12864_gotoXY(3,0); //第3行，第1列顯示
LCD12864_sendstr("電話:13212800564");
LCD12864_gotoXY(4,1); //第4行，第2列顯示
LCD12864_sendstr("www.txmcu.com ");
Delayms(2000); //延時(shí)等待
LCD12864_clear(); //清屏幕
LCD12864_opGDRAM(GDRAM); //完成繪圖，繪圖后返回基本指令集模式
Delayms(2000);
}
}
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