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《AT89C51制作波形发生器的C语言程序.doc》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、#include"reg52.h"#include"intrins.h"#include"absacc.h"//#include"math.h"sbitKEY1=P3^2;sbitKEY2=P3^3;sbitKEY3=P3^4;sbitKEY4=P3^5;sbitLED1=P2^0;sbitLED2=P2^1;sbitLED3=P2^2;sbitLED4=P2^3;typedefunsignedcharuint8;typedefunsignedintuint16;typedefunsignedlonguint32;
2、#defineDAC0832_PORTXBYTE[0X70FF]uint8constcodeZXB_code[256]={0x80,0x83,0x86,0x89,0x8c,0x8f,0x92,0x95,0x98,0x9c,0x9f,0xa2,0xa5,0xa8,0xab,0xae,0xb0,0xb3,0xb6,0xb9,0xbc,0xbf,0xc1,0xc4,0xc7,0xc9,0xcc,0xce,0xd1,0xd3,0xd5,0xd8,0xda,0xdc,0xde,0xe0,0xe2,0xe4,0xe6,0xe8
3、,0xea,0xec,0xed,0xef,0xf0,0xf2,0xf3,0xf4,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfc,0xfd,0xfe,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfe,0xfd,0xfc,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,0xf5,0xf3,0xf2,0xf0,0xef,0xed,0xec,0xea,0xe8,0xe6,0xe4
4、,0xe3,0xe1,0xde,0xdc,0xda,0xd8,0xd6,0xd3,0xd1,0xce,0xcc,0xc9,0xc7,0xc4,0xc1,0xbf,0xbc,0xb9,0xb6,0xb4,0xb1,0xae,0xab,0xa8,0xa5,0xa2,0x9f,0x9c,0x99,0x96,0x92,0x8f,0x8c,0x89,0x86,0x83,0x80,0x7d,0x79,0x76,0x73,0x70,0x6d,0x6a,0x67,0x64,0x61,0x5e,0x5b,0x58,0x55,0x52
5、,0x4f,0x4c,0x49,0x46,0x43,0x41,0x3e,0x3b,0x39,0x36,0x33,0x31,0x2e,0x2c,0x2a,0x27,0x25,0x23,0x21,0x1f,0x1d,0x1b,0x19,0x17,0x15,0x14,0x12,0x10,0x0f,0x0d,0x0c,0x0b,0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x03,0x02,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
6、,0x00,0x00,0x01,0x01,0x02,0x03,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0c,0x0d,0x0e,0x10,0x12,0x13,0x15,0x17,0x18,0x1a,0x1c,0x1e,0x20,0x23,0x25,0x27,0x29,0x2c,0x2e,0x30,0x33,0x35,0x38,0x3b,0x3d,0x40,0x43,0x46,0x48,0x4b,0x4e,0x51,0x54,0x57,0x5a,0x5d,0x60,0x63
7、,0x66,0x69,0x6c,0x6f,0x73,0x76,0x79,0x7c};voiddelayUser(uint16User){while(User--);}charKey_Press(charkey){if(!KEY1){key+=1;while(!KEY1);}else{if(!KEY2){key-=1;while(!KEY2);}//else{//if(!KEY3){key=3;while(!KEY3);}//else{//if(!KEY4){key=4;while(!KEY4);}//elsekey
8、=0;//}//}}if(key==0)key=4;if(key==5)key=1;returnkey;}voidmain(){uint16datax;uint8datakey=1;P3
9、=0x3c;while(1){P2&=0xf0;key=Key_Press(key);if(key==1){//正弦LED1=1;for(x=0;x<256;x+=2){D
