基于51单片机的示波器.pdfVIP

51单片机波形发生器（本程序适用）

其中独立按键1、2、3、4按下时会产生四个不同波形（矩形、三角波、梯形波、

正弦波）

主函数：

Main.c

#includereg52.h

#defineAddWr0x90//写数据地址

#defineAddRd0x91//读数据地址

/*unsignedcharcodetab[]={

0,25,50,75,100,125,150,175,200,225,250//表格数值越多，波

形越平滑

};*/

unsignedcharcodetab1[]={

0,10,20,30,40,50,60,70,80,90,100,110,120,130,140,150,160,

170,180,190,200,210,220,230,240,250

};

unsignedcharcodejuchi[64]={

0,4,8,12,16,20,24,28,32,36,40,45,49,53,57,61,65,69,73,77,81,85,89,93,97,101,105,109,113,117,12

1,125,130,134,138,142,

146,150,154,158,162,166,170,174,178,182,186,190,194,198,202,206,210,215,219,223,227,231,23

5,239,243,247,251,255

};

unsignedcharcode

sin[64]={135,145,158,167,176,188,199,209,218,226,234,240,245,249,252,254,254,253,251,247,2

43,237,230,222,213,204,193,182,170,158,

146,133,121,108,96,84,72,61,50,41,32,24,17,11,7,3,1,0,0,2,5,9,14,20,28,36,45,55,66,78,90,1

02,114,128};

unsignedcharcodesanjiao[64]={

0,8,16,24,32,40,48,56,64,72,80,88,96,104,112,120,128,136,144,152,160,168,176,184,192,200,208

1

,216,224,232,240,248,

248,240,232,224,216,208,200,192,184,176,168,160,152,144,136,128,120,112,104,96,88,80,72,64,

56,48,40,32,24,16,8,0

};

unsignedcharcodetixing[64]={

0,13,26,39,52,65,78,91,104,117,130,143,156,169,182,195,208,221,234,247,247,247,247,247,247,

247,247,247,247,247,247,247,247,247,247,247,247,247,

247,247,247,247,247,247,247,242,229,216,203,190,177,164,151,138,125,112,99,86,73,60,47,34,2

1,8

};

unsignedcharcodejuxing[64]={

255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,25

5,255,255,255,

255,255,255,255,255,255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

};

externbitack;

bitWrit