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/*---------------------------------------------------------------------------
這個是main函數(shù)屏蔽的都可以用
電子智能時鐘程序
單 片 機：STC89C52RC
晶 振：12MHz
時鐘芯片：DS12887
液 晶 屏：LCM-12864-ST7920
時 間：2010年3月28日
LCM12864使用并口連接方式,PSB、RST接高電平
頭文件----------------------------------------------------------------------*/
#include <reg52.h>
#include <intrins.h>
#include "LCD12864.h"
#include "DS12CR887.h"
#include "DS18B20.h"
#include "nongli.h"
#include "displaytime.h"
#define uint unsigned int
#define uchar unsigned char
/*--------------------定義按鍵-----------------------------------------------*/
//sbit K1 = P2^7; //K1-設(shè)置
//sbit K2 = P2^6; //K2-確認(rèn)、返回
//sbit K3 = P2^5; //K3-加
//sbit K4 = P2^4; //K4-減
//
//void DelayM(uint);
//
///*定義變量-------------------------------------------------------------------*/
//bit q=0, w=0; //調(diào)時標(biāo)志位
//
///*延時函數(shù) 1MS/次------------------------------------------------------------*/
//void DelayM(uint a)
//{
// uchar i;
// while( --a != 0) { for(i = 0; i < 125; i++); }
//}
///*日期、時間設(shè)置函數(shù)---------------------------------------------------------*/
//void Set_time(uchar sel)
//{
// signed char address,item;
// signed char max,min;
// unsigned char yy,mo,moontemp1,moontemp2;
// ds_write(0x0a,0x00); //進入調(diào)時，關(guān)閉時鐘振蕩器
// write_com(0x30); write_com(0x06);
// write_com(0x98); lcm_w_word("設(shè)置");
// if(sel==5) {lcm_w_word("秒鐘");address=0; max=59;min=0;} //秒鐘0
// if(sel==4) {lcm_w_word("分鐘");address=2; max=59;min=0;} //分鐘2
// if(sel==3) {lcm_w_word("小時");address=4; max=23;min=0;} //小時4
// if(sel==2) {lcm_w_word("日期"); //日期修改為按月份實際天數(shù)調(diào)整
// address=7; //日期7
// mo = ds_read(0x08);//讀月
// moontemp1=mo/16;
// moontemp2=mo%16;
// mo=moontemp1*10+moontemp2;//轉(zhuǎn)換成10進制月份數(shù)據(jù)
//
// yy = ds_read(0x09);//讀年
// moontemp1=yy/16;
// moontemp2=yy%16;
// yy=moontemp1*10+moontemp2;//轉(zhuǎn)換成10進制年份數(shù)據(jù)
//
// if(mo==2&&yy%4!=0){max=28;min=1;}//平年2月28天
// if(mo==2&&yy%4==0){max=29;min=1;}//閏年2月29天
// if(mo==1||mo==3||mo==5||mo==7||mo==8||mo==10||mo==12){max=31;min=1;}//每月31天的月份
// if(mo==4||mo==6||mo==9||mo==11){max=30;min=1;} //每月30天的月份
// }
// if(sel==1) {lcm_w_word("月份");address=8; max=12;min=1;} //月份8
// if(sel==0) {lcm_w_word("年份");address=9; max=99;min=0;} //年份9
// item=ds_read(address); //讀取DS12CR887某地址上的數(shù)值賦給item
// if(K3 == 0) {item++;} //K3-加數(shù):1
// if(K4 == 0) {item--;} //K4-減數(shù):1
// if(item>max) item=min; //限制數(shù)值最大有效范圍
// if(item<min) item=max; //限制數(shù)值最小有效范圍
// ds_write(address,item); //將調(diào)整好的item值寫入DS12CR887
// displaydate(); //顯示日期
// displaytime(); //顯示時間
// displaynl(); //顯示農(nóng)歷
// displayxq(); //顯示星期
//}
/*主函數(shù)---------------------------------------------------------------------*/
void main()
{
// uchar e=0;
// K1=1;K2=1;K3=1;K4=1;
// ds_int(); //時鐘芯片初始化
lcm_init(); //液晶初始化
//調(diào)用歡迎信息
// DelayM(2000); //延時
// lcm_clr(); //清屏
// Clean_12864_GDRAM(); //清屏
// ds_write(0,30); //miao
// ds_write(2,59); //fen
// ds_write(4,12); //shi
while(1)
{
welcome();
// if (w == 0) //正常走時
// {
// displaydate(); //顯示日期
// displaynl(); //顯示農(nóng)歷
// displaytime(); //顯示時間
// displayxq();
// }
// else {} //否則啟動調(diào)時
//
///*----------------------------設(shè)置時間--------------------------------------*/
// if (K1 == 0)
// {
// DelayM(20); //按鍵消抖
// if(K1 == 0 && w == 1) //當(dāng)是調(diào)時狀態(tài) 本鍵用于調(diào)整下一項
// {
// e++; //選擇調(diào)節(jié)的對象
// if (e >= 7 ) {e = 0;}
// while(! K1 ); //等待鍵松開
// Set_time(e); //調(diào)整
// }
// if(K1 == 0 && w == 0) //當(dāng)是正常狀態(tài)時就進入調(diào)時狀態(tài)
// {
// lcm_clr();
// Clean_12864_GDRAM(); //清屏
// w=1; //進入調(diào)時
// Set_time(e);
// }
// while(K1 == 0); //等待鍵松開
// }
///*--------------------------------------------------------------------------*/
// if (K2 == 0) // 當(dāng)在調(diào)時狀態(tài)時就退出調(diào)時
// {
// DelayM(20);
// if(K2 == 0 && w == 1)
// {
// w = 0; //退出調(diào)時
// e = 0; //"下一項"計數(shù)器清0
// }
// if(K2 == 0 && w == 0)
// {
// lcm_clr(); Clean_12864_GDRAM();
// write_com(0x30); write_com(0x06);
// welcome();
// while(K2 == 0);
// }
// lcm_clr(); Clean_12864_GDRAM();
// ds_write(0x0a,0x20); //調(diào)時完畢，開啟時鐘振蕩器
// displaydate();
// displaynl();
// displaytime();
// ds1820disp();
// while(K2 == 0);
// }
///*加調(diào)整--------------------------------------------------------------------*/
// if (K3 == 0 && w == 1)
// {
// DelayM(20);
// if(K3 == 0 && w == 1) { Set_time(e); }
// while(! K3 );
// }
///*減調(diào)整--------------------------------------------------------------------*/
// if (K4 == 0 && w == 1)
// {
// DelayM(20);
// if(K4 == 0 && w == 1) { Set_time(e); }
// while(! K4 );
// }
}
}
/*結(jié)束---------------------------------------------------
#ifndef __LCD12864_H__
#define __LCD12864_H__
#define uchar unsigned char
#define uint unsigned int
/*定義12864液晶屏數(shù)據(jù)線--------------------------------------------------------------*/
sbit LCM_RS = P2^7; //模式位，為0輸入指令，為1輸入數(shù)據(jù)
sbit LCM_RW = P2^6; //讀寫位，為0讀，為1寫
sbit LCM_EN = P2^5; //使能位，高脈沖
sbit LCM_PSB = P2^4;
#define Lcd_Bus P0 //LCM12864數(shù)據(jù)總線，P0.0--P0.7對應(yīng)連接DB0--DB7
/*液晶數(shù)字符號圖片,寬度x高度=16x32---------------------------------------------------*/
//PCtoLCD2002取模:順向,逐行式
uchar code num1632[11][64]={
{//圖片數(shù)字0
0x00,0x00,0x0F,0xF0,0x1F,0xF8,0x3F,0xFC,0x7F,0xFE,0x7C,0x3E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x78,0x3E,0x78,0x3E,0x78,0x5E,0x78,0x5E,0x78,0x9E,0x78,0x9E,
0x79,0x1E,0x79,0x1E,0x7A,0x1E,0x7A,0x1E,0x7C,0x1E,0x7C,0x1E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x7C,0x3E,0x7F,0xFE,0x3F,0xFC,0x1F,0xF8,0x0F,0xF0,0x00,0x00,},
{//圖片數(shù)字1
0x00,0x00,0x00,0x38,0x00,0x78,0x00,0xF8,0x01,0xF8,0x01,0xF8,0x00,0x78,0x00,0x78,
0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,
0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,
0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x78,0x00,0x00},
{//圖片數(shù)字2
0x00,0x00,0x0F,0xF0,0x1F,0xF8,0x3F,0xFC,0x7F,0xFE,0x7C,0x3E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x3E,0x00,0x7E,0x00,0xFC,0x01,0xF8,
0x03,0xF0,0x07,0xE0,0x0F,0xC0,0x1F,0x80,0x3F,0x00,0x7E,0x00,0x7C,0x00,0x78,0x00,
0x78,0x00,0x78,0x00,0x78,0x1E,0x7F,0xFE,0x7F,0xFE,0x7F,0xFE,0x7F,0xFE,0x00,0x00},
{//圖片數(shù)字3
0x00,0x00,0x0F,0xF0,0x1F,0xF8,0x3F,0xFC,0x7F,0xFE,0x7C,0x3E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x78,0x1E,0x00,0x1E,0x00,0x1E,0x00,0x3E,0x0F,0xFC,0x0F,0xF8,
0x0F,0xF8,0x0F,0xFC,0x00,0x3E,0x00,0x1E,0x00,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x7C,0x3E,0x7F,0xFE,0x3F,0xFC,0x1F,0xF8,0x0F,0xF0,0x00,0x00},
{//圖片數(shù)字4
0x00,0x00,0x00,0x1C,0x00,0x3C,0x00,0x7C,0x00,0x7C,0x00,0xFC,0x01,0xFC,0x01,0xFC,
0x03,0xFC,0x07,0xBC,0x07,0xBC,0x0F,0x3C,0x0F,0x3C,0x1E,0x3C,0x1E,0x3C,0x3C,0x3C,
0x3C,0x3C,0x78,0x3C,0x78,0x3C,0x78,0x3C,0x7F,0xFE,0x7F,0xFE,0x7F,0xFE,0x7F,0xFE,
0x00,0x3C,0x00,0x3C,0x00,0x3C,0x00,0x3C,0x00,0x3C,0x00,0x3C,0x00,0x3C,0x00,0x00},
//圖片數(shù)字5
0x00,0x00,0x7F,0xFE,0x7F,0xFE,0x7F,0xFE,0x7F,0xFE,0x78,0x00,0x78,0x00,0x78,0x00,
0x78,0x00,0x78,0x00,0x7B,0xF0,0x7F,0xF8,0x7F,0xFC,0x7F,0xFE,0x7E,0x3E,0x7C,0x1E,
0x7C,0x1E,0x00,0x1E,0x00,0x1E,0x00,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x7C,0x3E,0x7F,0xFE,0x3F,0xFC,0x1F,0xF8,0x0F,0xF0,0x00,0x00,
{//圖片數(shù)字6
0x00,0x00,0x0F,0xF0,0x1F,0xF8,0x3F,0xFC,0x7F,0xFE,0x7C,0x3E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x00,0x78,0x00,0x78,0x00,0x7B,0xF0,0x7F,0xF8,0x7F,0xFC,0x7F,0xFE,
0x7C,0x3E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x7C,0x3E,0x7F,0xFE,0x3F,0xFC,0x1F,0xF8,0x0F,0xF0,0x00,0x00},
{//圖片數(shù)字7
0x00,0x00,0x7F,0xFE,0x7F,0xFE,0x7F,0xFE,0x7F,0xFE,0x78,0x1E,0x00,0x1E,0x00,0x3C,
0x00,0x3C,0x00,0x78,0x00,0x78,0x00,0xF0,0x00,0xF0,0x01,0xE0,0x01,0xE0,0x03,0xC0,
0x03,0xC0,0x07,0x80,0x07,0x80,0x07,0x80,0x07,0x80,0x07,0x80,0x07,0x80,0x07,0x80,
0x07,0x80,0x07,0x80,0x07,0x80,0x07,0x80,0x07,0x80,0x07,0x80,0x07,0x80,0x00,0x00},
{//圖片數(shù)字8
0x00,0x00,0x0F,0xF0,0x1F,0xF8,0x3F,0xFC,0x7F,0xFE,0x7C,0x3E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x7C,0x3E,0x3F,0xFC,0x1F,0xF8,0x1F,0xF8,
0x3F,0xFC,0x7C,0x3E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x7C,0x3E,0x7F,0xFE,0x3F,0xFC,0x1F,0xF8,0x0F,0xF0,0x00,0x00},
{//圖片數(shù)字9
0x00,0x00,0x0F,0xF0,0x1F,0xF8,0x3F,0xFC,0x7F,0xFE,0x7C,0x3E,0x78,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x78,0x1E,0x7C,0x3E,
0x7F,0xFE,0x3F,0xFE,0x1F,0xFE,0x0F,0xDE,0x00,0x1E,0x00,0x1E,0x00,0x1E,0x78,0x1E,
0x78,0x1E,0x78,0x1E,0x7C,0x3E,0x7F,0xFE,0x3F,0xFC,0x1F,0xF8,0x0F,0xF0,0x00,0x00},
{// 圖片":" 10
//6X6方點
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xE0,0x07,0xE0,
0x07,0xE0,0x07,0xE0,0x07,0xE0,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xE0,0x07,0xE0,0x07,0xE0,0x07,0xE0,
0x07,0xE0,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
};
uchar code bmp1616[4][32]={
{0x00,0x00,0x00,0x00,0x3C,0x3C,0x2F,0xF4,0x3D,0x3C,0x39,0x1C,0x11,0x48,0x11,0x88,
0x11,0x08,0x10,0x08,0x18,0x18,0x0C,0x30,0x1F,0xF8,0x18,0x18,0x00,0x00,0x00,0x00,},
{0x01,0x00,0x01,0x00,0x01,0x00,0x7F,0xFC,0x42,0x04,0x82,0x08,0x05,0x00,0x05,0x08,
0x08,0x90,0x18,0xA0,0x28,0x40,0x48,0x20,0x88,0x10,0x0A,0x08,0x0C,0x06,0x08,0x00},
{0x00,0x00,0x3F,0xFE,0x20,0x00,0x20,0x80,0x20,0x80,0x20,0x80,0x2F,0xFC,0x20,0x84,
0x20,0x84,0x21,0x04,0x21,0x04,0x22,0x04,0x22,0x04,0x44,0x04,0x48,0x28,0x90,0x10},
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x30,0x00,0x30,0x00,0x00,0x00,0x30,0x00,0x30,0x00,0x00,0x00,0x00,0x00},
};
/*12864液晶顯示屏并口驅(qū)動程序--------------------------------------------------------*/
//檢查忙位
void chk_busy()
{
LCM_RS=0; LCM_RW=1; LCM_EN=1;
Lcd_Bus=0xff;
while((Lcd_Bus&0x80)==0x80);
LCM_EN=0;
}
/*寫指令到LCD------------------------------------------------------------------------*/
void write_com(uchar cmdcode)
{
chk_busy();
LCM_RS=0; LCM_RW=0; LCM_EN=1;
Lcd_Bus=cmdcode;
LCM_EN=0;
}
/*寫數(shù)據(jù)到LCD------------------------------------------------------------------------*/
void write_data(uchar Dispdata)
{
chk_busy();
LCM_RS=1; LCM_RW=0; LCM_EN=1;
Lcd_Bus=Dispdata;
LCM_EN=0;
}
/*向LCM發(fā)送一個字符串,長度64字符之內(nèi)-------------------------------------------------*/
void lcm_w_word(uchar *s)
{
while(*s>0) { write_data(*s); s++; } //應(yīng)用：lcm_w_word("您好！");
}
/******************************************************************************/
void lcm_w_test(bit i,unsigned char word) //寫指令或數(shù)據(jù)（被調(diào)用層）
{
if(i == 0) //寫指令（0，指令）
{
write_com(word);
}
else //寫數(shù)據(jù)（1，數(shù)據(jù)）
{
write_data(word);
}
}
/*清屏函數(shù)--------------------------------------------------------------------------*/
void lcm_clr(void)
{
lcm_w_test(0,0x01); //寫命令
}
/******************************************************************************/
void lcm_clr2(void) //清屏上面3行（用空格填滿要清顯示的地方，因為液晶屏是靜態(tài)顯示的，所以這辦法常用）
{
lcm_w_test(0,0x80);//第一行
lcm_w_word(" ");
//標(biāo)尺("1234567812345678"應(yīng)該能夠顯示滿一行)
lcm_w_test(0,0x90);//第二行
lcm_w_word(" ");
//標(biāo)尺("1234567812345678"應(yīng)該能夠顯示滿一行)
lcm_w_test(0,0x88);//第一行
lcm_w_word(" ");
//標(biāo)尺("1234567812345678"應(yīng)該能夠顯示滿一行)
}
/*初始化LCD屏------------------------------------------------------------------------*/
void lcm_init()
{
LCM_PSB=1;
write_com(0x30); //選擇8bit數(shù)據(jù)流
write_com(0x0c); //開顯示(無游標(biāo)、不反白)
lcm_clr(); //清除顯示，并且設(shè)定地址DDRAM指針為00H
// write_com(0x01); //清除顯示，并且設(shè)定地址指針為00H
lcm_clr2();
}
/*使用繪圖的方法讓一個16*16的漢字符反白----------------------------------------------*/
//形式參數(shù):uchar x,uchar y,uchar wide,uchar bkcor
//行參說明:坐標(biāo)水平位置,坐標(biāo)垂直位置,反白行數(shù),要反白還是清除(1:反白,0:清除)
void write1616GDRAM(uchar x,uchar y,uchar sign,uchar *bmp)
{
uchar i,j,basex;
write_com(0x36); //擴展指令，繪圖模式命令，開顯示也可以繪.(關(guān)圖片顯示0x34)
if(y==1||y==2) //第一第二行
{
basex=0x80; //上半屏
y=(y-1)*16; //垂直位址從0X80開始.
}
if(y==3||y==4) //第三第四行
{
basex=0x88; //下半屏
y=(y-3)*16; //垂直位址都是從0X80開始的，不管上下半屏。
}
for(i=0;i<16;i++) //
{
write_com(0x80+y+i); //寫入垂直位址。
write_com(basex+x-1); //再寫入水平位址(上半屏第一字為0X80，……第七字為0X87)
//下半屏第一字為0X88，……第七字為0X8F；
for(j=0;j<2;j++) //再寫入兩個8位元的數(shù)據(jù),AC會自動增一，接著寫數(shù)據(jù)
{
if(sign==1)
write_data(~(*bmp++));
else
write_data(*bmp++);
}
}
write_com(0x36); //寫完數(shù)據(jù)，開圖片顯示
}
/**************************************************************************************
//函數(shù)功能:顯示16X16圖形,適用于st7920型液晶
//形式參數(shù):uchar x,uchar y,uchar *bmp
//行參說明:橫坐標(biāo)X列，縱坐標(biāo)Y行，sign=1反白、=0不反，tt是要顯示的圖形bmp1616中的第幾個
//************************************************************************************/
void set1616pic(uchar x,uchar y,uchar sign,uchar tt)
{
uchar (*pp)[32]; //定義指針
pp=bmp1616; //二維數(shù)組首地址給指針，故指針指向下一個數(shù)組地址應(yīng)為加64
write1616GDRAM(x,y,sign,pp[tt]); //寫入小時的十位
}
/**************************************************************************************
//函數(shù)功能:顯示16X32圖形,適用于st7920型液晶
//形式參數(shù):uchar x,uchar y,uchar *bmp
//行參說明:橫坐標(biāo)X列，縱坐標(biāo)Y行，要顯示的圖形BMP
//************************************************************************************/
void write1632GDRAM(uchar x,uchar y,uchar *bmp)
{
uchar i,j,basex,basey;
switch(y) //由y縱坐標(biāo)定是上半屏還是下半屏
{
case 1: basex=0x80; break; //上半屏
case 2: basex=0x80; break; //先上半屏，下面再下半屏。
case 3: basex=0x88; break; //下半屏
default: return; //別的則返回
}
basey=basex+x-1;
write_com(0x36);
if(y==1||y==3) //如為第一第三行，則直接是在同一半屏，直接繪完32行點陳數(shù)據(jù)。
{
for(i=0;i<32;i++) //寫入32行點陣
{
write_com(0x80+i); //先寫入垂直位址,選上下32行的哪一行,不管上下半屏，首行都為0X80
write_com(basey); //再寫入水平位址(選上下半屏)
for(j=0;j<2;j++) //2個8位元的數(shù)據(jù),即16BIT寬度
write_data(*bmp++);
}
}
if(y==2) //從第二行開始則畫圖將上下半屏都有，所以先畫完上半屏16行，再畫下半屏16行。
{
for(i=0;i<16;i++) //寫入上半屏16行點陣
{
write_com(0x90+i); //先寫入垂直位址,選上下32行的哪一行,不管上下半屏，首行都為0X80，第二行為0X90。
write_com(basey); //(選上半屏)再寫入水平位址
for(j=0;j<2;j++) //2個8位元的數(shù)據(jù),即16BIT寬度
write_data(*bmp++);
}
for(i=0;i<16;i++) //寫入下半屏16行點陣
{
write_com(0x80+i); //先寫入垂直位址,選上下32行的哪一行,不管上下半屏，首行都為0X80
write_com(basey+8); //(選下半屏)再寫入水平位址
for(j=0;j<2;j++) //2個8位元的數(shù)據(jù),即16BIT寬度
write_data(*bmp++);
}
}
write_com(0x36); //寫完數(shù)據(jù)，開圖片顯示
}
/**************************************************************************************
** 函數(shù)名稱: init_12864_GDRAM()
** 功能描述: 在程寫GDRAM時序初始化12864
**************************************************************************************/
void init_12864_GDRAM()
{
write_com(0x30); //基本指令操作
write_com(0x0C); //整體顯示開，游標(biāo)關(guān)，游標(biāo)位置關(guān)
write_com(0x06); //光標(biāo)右移,DDRAM位址計數(shù)器(AC)加1,不整屏移動
lcm_clr(); //清屏 (清DDRAM)
}
/**************************************************************************************
//函數(shù)名稱:Clean_12864_GDRAM(void)
//函數(shù)功能:清屏函數(shù)
//使用說明:GDRAM填滿0
//************************************************************************************/
void Clean_12864_GDRAM(void)
{
uchar x,y;
write_com(0x36);
init_12864_GDRAM(); //設(shè)置擴展指令集，按手冊說明，僅設(shè)置了繪圖位，
write_com(0x36); //需要兩次，本次設(shè)置擴展指令集。
for (y=0;y<32;y++)
{
write_com(0x80+y); //設(shè)置y=1000+00xx，y+1則往下一行
write_com(0x80); //設(shè)置x=1000 0000
for (x=0;x<16;x++)
{
write_data(0x00); //高字節(jié)數(shù)據(jù)
write_data(0x00); //低字節(jié)數(shù)據(jù)
}
}
}
/*-----------------------------------------------------------------------------------*/
#endif
我們用的是帶字庫的12864
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