51單片機(jī)lcd12864全屏顯示圖片程序詳解

ID:83710 · 發(fā)表于 2015-6-23 18:44

本帖最后由 hongniu 于 2015-6-23 18:46 編輯

今天對(duì)軟件做了調(diào)整使能顯示全屏圖像，如下圖示：
11月19日晚于天津四項(xiàng)目部宿舍

原始圖片

轉(zhuǎn)換黑白后：

液晶顯示器顯示：

源程序：

#include<reg51.h>
#define uint unsigned int;
#define uchar unsigned char;
sbit rs=P1^0;//并行模式下為指令數(shù)據(jù)選擇信H/L=指令/數(shù)據(jù)
sbit rw=P1^1;//并行的讀寫(xiě)信號(hào)H/L=讀/寫(xiě)
sbit e=P1^2; //并行下的使能信號(hào)
sbit reset=P1^5;
uchar x,y;
uchar datetabal;
uchar d1,d2;//數(shù)據(jù)緩沖
uchar k=0,h=0;
unsigned int i,j;
uchar code tab[]={/*-- 調(diào)入了一幅圖像：C:\Users\lenovo\Desktop\是.bmp --*/
/*-- 寬度x高度=128x64 --*/
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x07,0xFF,0xFF,0xFF,
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x03,0xFF,0xFF,0xFF,
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x01,0xFF,0xFF,0xFF,
0x7F,0xFF,0xFF,0xFF,0xE1,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0xFF,0xFF,0xFF,
0x4F,0xFF,0xFF,0xFE,0x00,0x61,0xCF,0xFF,0xF9,0xFF,0xC0,0x00,0x00,0xFF,0xFF,0xFF,
0x47,0xFF,0xFF,0xF0,0x00,0x40,0xC7,0xFF,0xF8,0xFF,0xC3,0x80,0x70,0x7F,0xFF,0xFF,
0x47,0xFF,0xFF,0x3E,0x3C,0x04,0x47,0xFF,0xF8,0xFF,0xCF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x44,0x01,0xE1,0x60,0x60,0x04,0x47,0xE1,0xC0,0xFF,0xFF,0xF7,0xBF,0xFF,0xFF,0xFF,
0x44,0x00,0xC0,0xC0,0x40,0x18,0x47,0xC0,0x80,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x44,0x44,0x60,0x44,0x40,0x30,0xC7,0xC6,0x08,0xFF,0xFF,0xFF,0x9F,0xFF,0xFF,0xFF,
0x44,0x44,0x60,0x44,0x40,0x61,0xC7,0xC7,0x88,0xFF,0xFF,0x3E,0x3F,0xFF,0xFF,0xFF,
0x44,0x44,0x40,0x44,0x46,0x43,0xC7,0xC7,0x88,0xFF,0xFF,0x9D,0x1F,0xFF,0xFF,0xFF,
0x44,0x44,0x44,0x04,0x04,0x47,0xC7,0xC4,0x88,0xFF,0xFF,0x3F,0xFF,0xFF,0xFF,0xFF,
0x44,0x44,0x60,0x00,0x00,0x00,0xC0,0x60,0x40,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x66,0x66,0x70,0x60,0x00,0x00,0x60,0x30,0xE0,0xFF,0xFF,0xFF,0x7F,0xFF,0xFF,0xFF,
0x7F,0xFF,0xFF,0x8C,0x7F,0xC3,0xFF,0xFF,0xFF,0xFF,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,
0x7F,0xFF,0xFF,0x80,0x7F,0xF3,0xFF,0xFF,0xFF,0xFF,0xF3,0xFF,0xFF,0xFF,0xFF,0xFF,
0x7F,0xFF,0xFF,0xB0,0xFE,0x7B,0xFF,0xFF,0xFF,0xFF,0xF0,0x80,0x1B,0xFF,0xFF,0xFF,
0x7F,0xFF,0xFF,0xBF,0xFF,0xFB,0xFF,0xFF,0xFF,0xF8,0xB0,0x20,0x13,0xEF,0xFF,0xFF,
0x7F,0xFF,0xFF,0xFF,0x7E,0xFF,0xFF,0xFF,0xFF,0x00,0xFB,0x80,0x03,0xE0,0x1F,0xFF,
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x50,0xE0,0x07,0xE8,0x07,0xFF,
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x78,0x7E,0xC0,0x03,0xFF,
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x1F,0xEE,0xC0,0x01,0xFF,
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x07,0xFC,0xC0,0x00,0xFF,
0x7F,0xFF,0xFF,0xFF,0xC0,0xFF,0xFF,0xFF,0x80,0x00,0x02,0x03,0xFD,0x80,0x20,0x7F,
0x7F,0xFF,0xFF,0xF7,0xE1,0xCF,0xFF,0xFF,0x00,0x00,0x01,0x00,0xF9,0x80,0x20,0x3F,
0x7F,0xFF,0xFF,0xFF,0xE0,0x1F,0xFF,0xFE,0x00,0x00,0x00,0x00,0xF9,0x00,0x20,0x3F,
0x7F,0xFF,0xFE,0xDE,0x00,0x1F,0xFF,0xFC,0x00,0x00,0x00,0xF9,0xFF,0x00,0x20,0x3F,
0x7F,0xFF,0xFC,0x0F,0x00,0x00,0x3F,0xF8,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xE0,0x1F,
0x7F,0xFF,0xFF,0xF8,0x00,0x00,0x03,0xF0,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xE0,0x1F,
0x7F,0xFF,0xFF,0xFF,0xA3,0xE0,0x03,0xE0,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xE0,0x1F,
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xE0,0x1B,
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x30,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xE0,0x11,
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x18,0x00,0x03,0xFF,0xFF,0xFC,0x7F,0xE0,0x01,
0x7F,0xFF,0xC3,0xFF,0xC7,0xFF,0xFE,0x0E,0x00,0x03,0xFF,0xFC,0x00,0x7F,0xE0,0x00,
0x7F,0xF8,0x03,0xFF,0xC3,0xFF,0xFE,0x06,0x00,0x03,0xFF,0x1E,0x78,0x7F,0xE0,0x01,
0x7F,0xC0,0x03,0xFF,0xF8,0x07,0xFE,0x07,0x00,0x03,0xFF,0x8E,0x60,0xFF,0xE0,0x07,
0x7F,0x00,0x03,0xFB,0x00,0x07,0xFC,0x01,0x00,0x03,0xFF,0xC6,0x01,0xFF,0xEE,0x0F,
0x7F,0x00,0x03,0xF3,0x88,0x7F,0xFC,0x00,0x00,0x0B,0xF0,0x06,0x13,0xFF,0xFF,0xFF,
0x7F,0x00,0x03,0xF9,0xF1,0xE7,0xFC,0x03,0xE0,0x01,0xF0,0x7E,0x73,0x1F,0x0F,0xFF,
0x7E,0x00,0x7F,0xFF,0xC0,0x07,0xF7,0x83,0xFF,0x7C,0x7C,0xFE,0x70,0x1F,0x5B,0xFF,
0x7E,0x01,0xFF,0xFB,0xC0,0x03,0xF7,0xD2,0x7E,0xF1,0x7C,0xFE,0x00,0xFC,0xEF,0xFF,
0x7C,0x03,0xFF,0xF3,0xF3,0xE3,0xF3,0x40,0xFE,0x88,0xFC,0xFF,0x09,0xFF,0xFF,0xFF,
0x78,0x03,0xFE,0xF3,0xF2,0x0F,0xE0,0xE0,0x7F,0xE3,0x7C,0xF8,0x39,0xF9,0xF3,0xFF,
0x60,0x03,0xFD,0xF3,0xF2,0x47,0xE1,0xF8,0x7C,0x83,0xDC,0x00,0x38,0xF9,0xE3,0xFF,
0x60,0x03,0xD9,0xFF,0xF8,0x47,0xE1,0xF8,0xFE,0x43,0xFC,0x0F,0x38,0xF3,0xE0,0x7F,
0x40,0xD9,0xE3,0xFE,0x79,0x07,0xC1,0xF0,0xFE,0x05,0xFF,0xFF,0x30,0x73,0xE7,0xFF,
0x00,0xF2,0x01,0xFE,0x71,0x27,0x80,0xE0,0x7F,0x2C,0xFF,0xFF,0x07,0x03,0xE1,0xFF,
0x00,0x50,0x03,0xFC,0x72,0x27,0x00,0x00,0x3F,0xF8,0xFF,0xFF,0x0F,0x83,0xE1,0xFF,
0x01,0x00,0x03,0xFC,0xF2,0x27,0x80,0x00,0x02,0x00,0x7F,0xFF,0xFF,0xFF,0xE3,0xFF,
0x40,0x00,0x03,0xF1,0xF7,0x30,0x00,0x00,0x10,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x40,0x00,0x03,0xF3,0xFF,0xF8,0x20,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x60,0x00,0x03,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x70,0x00,0x03,0xFF,0xFF,0xFF,0xF0,0x00,0x02,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x78,0x00,0x03,0xFF,0xFF,0xFF,0xA0,0x00,0x02,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x7C,0x00,0x17,0xFF,0xFF,0xFE,0x80,0x00,0x06,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x7F,0xFF,0xFF,0xFE,0x00,0x00,0x04,0x00,0x1F,0xFE,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x0F,0xFF,0xFF,0xFC,0x00,0x00,0x04,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x07,0xFF,0xFF,0xFC,0x00,0x00,0x04,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x07,0xFF,0xFF,0xFC,0x00,0x00,0x04,0x04,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x04,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
};
void delay40ms(void) //誤差 -0.000000000009us
{
unsigned char ad,bd,cd;
for(cd=11;cd>0;cd--)
for(bd=124;bd>0;bd--)
for(ad=12;ad>0;ad--);
}
void delay4_6ms()//
{
unsigned char av,bv;
for(bv=12;bv>0;bv--)
for(av=175;av>0;av--);
}
void delay(void)
{
;;;
}
void writedate(unsigned char a)//寫(xiě)數(shù)據(jù)
{
delay4_6ms();
rs=1;
delay();
rw=0;
delay();
e=1;
delay();
P0=a;
delay();
e=0;
delay();
}
void writectrl(unsigned char ds)//寫(xiě)指令
{
rs=0;
delay();
rw=0;
delay();
e=1;
delay();
P0=ds;
delay();
e=0;
delay();
}
void main()
{
reset=0;
delay();
reset=1;
delay40ms();
writectrl(0x3f);//開(kāi)擴(kuò)充指令操作數(shù)據(jù)位選擇8位
delay4_6ms();
writectrl(0x3e);//寫(xiě)指令擴(kuò)充指令操作，8位數(shù)據(jù)，繪圖開(kāi)關(guān)關(guān)
delay4_6ms();
// writectrl(0x80);//寫(xiě)指令設(shè)置垂直列地址 Y軸為 “0”
//delay4_6ms();
//writectrl(0x80);//寫(xiě)指令設(shè)置水平行地址 X軸 “0”
//delay4_6ms();
//writedate(0xffff); //數(shù)據(jù)寫(xiě)入FffFH
//delay4_6ms();
x=0;
y=0; //記得初始化啊
i=0;
j=0;
for( h=0;h<32;h++ )
{
x=0;
for (k=0;k<8;k++)
{
writectrl((0x80+y));//寫(xiě)指令設(shè)置垂直列地址 Y軸為 “0”
delay4_6ms();
writectrl((0x80+x));//寫(xiě)指令設(shè)置水平行地址 X軸 “0”
delay4_6ms();
writedate(tab[i]); //數(shù)據(jù)寫(xiě)入FFH
i++; // i是用來(lái)當(dāng)指針用的其實(shí)這里也可以換成指針，我喜歡這樣所以。。。
writedate(tab[i]); //數(shù)據(jù)寫(xiě)入FFH
delay4_6ms();
i++; //
x++;//
}
y++; //只有行掃了8個(gè)字，才可以加以，因?yàn)?個(gè)字節(jié)正好是一行，這就是下一列的呵呵
}
//;***********以上是上半屏（Y=0-1F,X=0-07）以下是下扳平Y(jié)=8-0F X=0-1F********************************
x=0;y=0;//這里XY清零是因?yàn)橄掳肫潦菑?8H開(kāi)始的，而上半屏是從80H開(kāi)始的其實(shí)這里就是用到了上邊的，只是改了個(gè)水平坐標(biāo)值，垂直坐標(biāo)還是從0-31
for( h=0;h<32;h++ )
{
x=0;
for (k=0;k<8;k++)
{
writectrl((0x80+y));//：/寫(xiě)指令設(shè)置垂直列地址 Y軸為 “0”
delay4_6ms();
writectrl((0x88+x));//寫(xiě)指令設(shè)置水平行地址 X軸 “0”
delay4_6ms();
writedate(tab[i]); //數(shù)據(jù)寫(xiě)入FFH
i++;
writedate(tab[i]); //數(shù)據(jù)寫(xiě)入FFH
delay4_6ms();
i++;
x++;
}
y++;
}
while(1); //*******************************************************
//12864到今晚我也成功了，呵呵，我是這樣的：把12864分成兩部分，上半部分12832，下半部分12832
//然后用掃描的辦法從第一行開(kāi)始掃描，知道32行，在執(zhí)行下半部分掃描程序，第33行開(kāi)始，掃描32行道64至
//這里還要說(shuō)一個(gè)事：關(guān)于12864畫(huà)圖，你看那大海，水很多，但是它是由一滴滴水組成的，所以要想在12864屏幕上顯示一幅圖像，你就要
//從一個(gè)點(diǎn)開(kāi)始，第一步我讓第一行的第一列顯示一個(gè)點(diǎn)，怎么實(shí)現(xiàn)呢？我開(kāi)始很是不明白，看了一天的手冊(cè)，一下午的實(shí)驗(yàn)，終于總結(jié)出
//1：向7920的寫(xiě)入3F和3E指令，使液晶工作在擴(kuò)展指令狀態(tài)，8位數(shù)據(jù)，繪圖開(kāi)關(guān)開(kāi)2：設(shè)定繪圖RAM地址，先寫(xiě)入列（Y軸）再寫(xiě)入行（X軸）
//然后再一口氣寫(xiě)入16位的數(shù)據(jù)，也可以寫(xiě)8位，但要寫(xiě)2次，我是采取后者，然后這十六是什么呢？---即這樣的排列D15-D0，讓第一個(gè)點(diǎn)就寫(xiě)入8000H
//那么，現(xiàn)在就是在第一行第一列顯示一個(gè)點(diǎn)！呵呵，會(huì)寫(xiě)一個(gè)點(diǎn)，你就一定會(huì)寫(xiě)一幅圖像了，為什么呢，你只要讓單片機(jī)這樣重復(fù)的寫(xiě)512個(gè)字就是有一幅
//12864的圖像了，這其實(shí)說(shuō)白了就是點(diǎn)陣啊----------
//呵呵，2010年11月17日與天津開(kāi)發(fā)區(qū)第四項(xiàng)目部宿舍，操今天給分包隊(duì)干了一天的活，很郁悶，但是有單片機(jī)真的讓我開(kāi)心起來(lái)
//
//
//
//
//
//
//
///
//***************************************************8
}