DSP技术课程设计Word格式文档下载.docx

DSP技术课程设计Word格式文档下载.docx

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/*DSP的IO空间，扩展发光二极管、键盘、液晶等外围设备*/

ioportunsignedport0800;

//lcddataio

ioportunsignedport1000;

//lcdreset

ioportunsignedport0c00;

//lcddi

ioportunsignedport1400;

//lcdcs1

ioportunsignedport1800;

//lcdcs2

//对端口的定义

ioportunsignedport2C00;

//faguang

charpast=254;

charkeyvalue1;

inti=0;

/*ToDecideTheAICSampleFrequency*/

/*DSP的IO空间，扩展发光二极管、数码管、键盘、液晶等外围设备*/

ioportunsignedport1C00;

//键盘行列线

charnum26[]={0,0x7F,0x49,0x49,0x49,0x49,0x00,0x00};

//"

E"

=26H

charnum2d[]={0,0x7F,0x40,0x40,0x40,0x40,0x00,0x00};

L"

=2DH

charnum30[]={0,0x3E,0x41,0x41,0x41,0x3E,0x00,0x00};

O"

=30H

charnum37[]={0,0x1F,0x20,0x40,0x20,0x1F,0x00,0x00};

V"

=37H

charnum10[]={0,0x32,0x49,0x79,0x41,0x3E,0x00,0x00};

@"

=10H

charnum0[]={0,0x3E,0x51,0x49,0x45,0x3E,0x00,0x00};

0"

=00H

charnum1[]={0,0x00,0x42,0x7F,0x40,0x00,0x00,0x00};

1"

=01H

charnum2[]={0,0x42,0x61,0x51,0x49,0x46,0x00,0x00};

2"

=02H

charnum3[]={0,0x21,0x41,0x45,0x4B,0x31,0x00,0x00};

3"

=03H

charnum4[]={0,0x18,0x14,0x12,0x7F,0x10,0x00,0x00};

4"

=04H

charnum5[]={0,0x27,0x45,0x45,0x45,0x39,0x00,0x00};

5"

=05H

charnum6[]={0,0x3C,0x4A,0x49,0x49,0x30,0x00,0x00};

6"

=06H

charnuml1[]={0x44,0x44,0xFC,0x44,0x44,0x10,0xD0,0xFF};

charnuml2[]={0x90,0x00,0xD0,0xFF,0xD0,0x10,0x10,0x00};

charnuml3[]={0x08,0x08,0x07,0x14,0x08,0x06,0x01,0xFF};

charnuml4[]={0x04,0x03,0x00,0xFF,0x01,0x0E,0x08,0x00};

charnumj1[]={0x00,0x08,0x08,0x08,0x88,0x48,0x38,0xFF};

charnumj2[]={0x18,0x28,0x48,0x88,0x88,0x08,0x00,0x00};

charnumj3[]={0x40,0x32,0x02,0x01,0x10,0x60,0x00,0x07};

charnumj4[]={0x10,0x60,0x00,0x00,0x11,0x63,0x01,0x00};

//所需要的汉字、数字和字符的显示代码

charrdkey（）;

charscan_key（）;

voidmmm（）;

voidmain（）

{

charkeyvalue=255;

c54_init（）;

for（;

;

）{

keyvalue=scan_key（）;

if（keyvalue!

=255）

past=keyvalue;

if（past==0）

{

port2C00=0xfd;

loop0（）;

port2C00=0xfb;

port2C00=0xf7;

port2C00=0xef;

port2C00=0xdf;

port2C00=0xbf;

port2C00=0x7f;

i=i+1;

mmm（）;

i=0;

}

elseif（past==1）

port2C00=0x7f;

port2C00=0xfe;

elseif（past==2）

port2C00=0xe7;

port2C00=0xdb;

port2C00=0xbd;

port2C00=0x7e;

port2C00=0xe7;

port2C00=0xff;

elseif（past==3）

port2C00=0x7e;

port2C00=0x3c;

port2C00=0x18;

port2C00=0x00;

elseif（past==4）

port2C00=0xaa;

loop0（）;

port2C00=0x55;

loop0（）;

}

}

//循环和流水灯花样的控制

charrdkey（）{

charkeyin;

port1C00=0x0;

keyin=port1C00;

keyin=keyin&

0xF;

if（keyin==0xF）

return0;

else

return1;

charscan_key（）{

charkeyornot;

intkeyin;

intkeyvalue;

keyornot=rdkey（）;

if（!

keyornot）{

return255;

}

delay3（）;

if（keyornot）{//某个键按下!

port1C00=0xe;

keyin=port1C00&

if（keyin!

=0xF）{

keyvalue=0;

keyin=keyin;

keyvalue=keyin+keyvalue-7;

while（keyornot=rdkey（））//等键松下

delay3（）;

port1C00=0xd;

keyvalue=1;

keyvalue=keyin+keyvalue;

while（keyornot=rdkey（））

port1C00=0xb;

keyvalue=9;

port1C00=0x7;

keyvalue=17;

if（keyvalue==0x7）{

keyvalue=0;

lcd_dsp（0,8,1,num1）;

gotoproecess;

}

if（keyvalue==0x6）{

keyvalue=1;

lcd_dsp（0,8,1,num2）;

//调用显示语句，显示数字

if（keyvalue==0x4）{

keyvalue=2;

lcd_dsp（0,8,1,num3）;

//调用显示语句，显示数字

if（keyvalue==0x0）{

keyvalue=3;

lcd_dsp（0,8,1,num4）;

if（keyvalue==0xf）{

keyvalue=4;

lcd_dsp（0,8,1,num5）;

if（keyvalue==0xe）{

keyvalue=5;

lcd_dsp（0,8,1,num6）;

if（keyvalue==0xc）{

keyvalue=6;

if（keyvalue==0x8）{

keyvalue=7;

if（keyvalue==0x17）{

keyvalue=8;

if（keyvalue==0x16）{

keyvalue=9;

if（keyvalue==0x14）{

keyvalue=10;

if（keyvalue==0x10）{

keyvalue=11;

if（keyvalue==0x1f）{

keyvalue=12;

if（keyvalue==0x1e）{

keyvalue=13;

if（keyvalue==0x1c）{

keyvalue=14;

if（keyvalue==0x18）{

keyvalue=15;

proecess:

returnkeyvalue;

voidmmm（）

temp=port1000;

///RES=0，resetlcd

delay2（）;

port1000=temp;

///RES=1，enablelcd

Init_Lcd（）;

//initializelcd

Cls_Lcd（）;

//清屏

lcd_dsp（0,1,1,numl1）;

//显示文字的初始位置

lcd_dsp（0,1,2,numl2）;

lcd_dsp（0,2,1,numl3）;

lcd_dsp（0,2,2,numl4）;

lcd_dsp（0,7,1,numj1）;

lcd_dsp（0,7,2,numj2）;

lcd_dsp（0,8,1,numj3）;

lcd_dsp（0,8,2,numj4）;

//延时

//清屏

lcd_dsp（0,1,1+i,numl1）;

//使每次显示的文字的位置发生变化达到动起来的效果lcd_dsp（0,1,2+i,numl2）;

lcd_dsp（0,2,1+i,numl3）;

lcd_dsp（0,2,2+i,numl4）;

lcd_dsp（0,7,i+1,numj1）;

lcd_dsp（0,7,i+2,numj2）;

lcd_dsp（0,8,i+1,numj3）;

lcd_dsp（0,8,i+2,numj4）;

lcd_dsp（1,1,1,numl1）;

//（哪半屏，第几页，第几个字，字符数据）

lcd_dsp（1,1,2,numl2）;

lcd_dsp（1,2,1,numl3）;

lcd_dsp（1,2,2,numl4）;

lcd_dsp（1,7,1,numj1）;

lcd_dsp（1,7,2,numj2）;

lcd_dsp（1,8,1,numj3）;

lcd_dsp（1,8,2,numj4）;

lcd_dsp（1,1,1+i,numl1）;

//在右半屏的初始位置

lcd_dsp（1,1,2+i,numl2）;

lcd_dsp（1,2,1+i,numl3）;

lcd_dsp（1,2,2+i,numl4）;

lcd_dsp（1,7,i+1,numj1）;

lcd_dsp（1,7,i+2,numj2）;

lcd_dsp（1,8,i+1,numj3）;

lcd_dsp（1,8,i+2,numj4）;

lcd_dsp（1,1,2+i,numl1）;

lcd_dsp（1,1,3+i,numl2）;

lcd_dsp（1,2,2+i,numl3）;

lcd_dsp（1,2,3+i,numl4）;

lcd_dsp（1,7,i+2,numj1）;

lcd_dsp（1,7,i+3,numj2）;

lcd_dsp（1,8,i+2,numj3）;

lcd_dsp（1,8,i+3,numj4）;

lcd_dsp（0,4,1,num2d）;

//L

lcd_dsp（0,4,2,num30）;

//O

lcd_dsp（0,4,3,num37）;

//V

lcd_dsp（0,4,4,num26）;

//E

lcd_dsp（1,4,1,num2d）;

//?

lcd_dsp（1,4,2,num30）;

lcd_dsp（1,4,3,num37）;

lcd_dsp（1,4,4,num26）;

//最终定位不在清屏

voidlcd_dsp（charlorr,charpage_cnt,charline,charnumx[]）{//写入一个8*8的字符

charclr_byte_cnt;

page_cnt=（page_cnt-1）|0xb8;

//设置页号

line=（line-1）*8+0x40;

//改字符的起始列

if（lorr==0）{//写-l块（左半屏）

Wr_c_l（page_cnt）;

Wr_c_l（line）;

for（clr_byte_cnt=1;

clr_byte_cnt<

=8;

clr_byte_cnt++）{//将numx[]写入

Wr_d_l（numx[clr_byte_cnt-1]）;

//在对应列写入一字节数据

else{//写-r块（右半屏）

Wr_c_r（page_cnt）;

Wr_c_r（line）;

clr_byte_cnt++）{

Wr_d_r（numx[clr_byte_cnt-1]）;

voidWr_c_r（charcom）{//向块1写指令（右半屏）

chartemp;

temp=port1400;

//cs1=0

delay1（）;

port1800=temp;

//cs2=1，选中块1

temp=port0c00;

//di=0

temp=port0800&

0x80;

//E=1,读状态字，判忙

while（temp==0x80）{

temp=port0800&

delay1（）;

port0800=com;

//E=1,将com作为指令写入

voidWr_c_l（charcom）{//向块2写指令（左半屏）

//chartemp;

port1400=temp;

//cs1=1

temp=port1800;

//cs2=0，选中块2

//di=0

//读状态字，判忙

del