信号发生器(正弦波,方波,三角波)51单片机C语言代码

1、/*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*L*/*信号发生器（正弦波，方波，三角波）*/#include#include#defineucharunsignedchar#defineuintunsignedintsbitcs=P2A0;sbitclk=P2Al；sbitdin=P2A2;tlc5615片选端口tlc5615时钟线tlc5615传输端口/按键的单片机接口sbitkey1=P1A0；sbitkey2=P1A1；ucharkeydat；ucharflag；被置零立马停止发信号/波形发生终止信号的标志位一旦uchar

2、flagsqu;中断控制）/方波高低电平控制为（运用定时器1ucharm,num;uchardat=0 xff;ucharcodetosin141=/正弦波的编码0 x00,0 x01,0 x02,0 x02,0 x03,0 x04,0 x05,0 x06,0 x07,0 x08,0 x09,0 x0a,0 x0b,0 x0d,0 x0e,0 x10,0 x11,0 x13,0 x15,0 x16,0 x18,0 x1a,0 x1c,0 x1e,0 x20,0 x22,0 x25,0 x27,0 x29,0 x2b,0 x2e,0 x30,0 x33,0 x35,0 x38,0 x3a,0 x

3、3d,0 x40,0 x43,0 x45,0 x48,0 x4c,0 x4e,0 x51,0 x55,0 x57,0 x5a,0 x5d,0 x60,0 x63,0 x66,0 x69,0 x6c,0 x6f,0 x70,0 x71,0 x72,0 x73,0 x74,0 x75,0 x76,0 x77,0 x78,0 x79,0 x7a,0 x7b,0 x7c,0 x7d,0 x7e,0 x7e,0 x7f,0 x80,0 x7f,0 x7e,0 x7e,0 x7d,0 x7c,0 x7b,0 x7a,0 x79,0 x78,0 x77,0 x76,0 x75,0 x74,0 x73,0 x

4、72,0 x6f,0 x6c,0 x69,0 x66,0 x63,0 x60,0 x5d,0 x5a,0 x57,0 x55,0 x51,0 x4e,0 x4c,0 x48,0 x45,0 x43,0 x40,0 x3d,0 x3a,0 x38,0 x35,0 x33,0 x30,0 x2e,0 x2b,0 x29,0 x27,0 x25,0 x22,0 x20,0 x1e,0 x1c,0 x1a,0 x18,0 x16,0 x15,0 x13,0 x11,0 x10,0 x0e,0 x0d,0 x0b,0 x0a,0 x09,0 x08,0 x07,0 x06,0 x05,0 x04,0 x

5、03,0 x02,0 x02,0 x01,0 x00;voiddelay(ucharz)/延时函数ucharx,y;for(x=0;x0;y-);voidprepare()cs=1;din=1;clk=0;cs=0;为低时进?/*用中断来产生方波tlc5615的初始化/cs的上升沿和下降沿必须在clkvoidSqutranslator()TR1=1;的持续时间占空比/启动定时器1控制高低电平dododo_wave=0;while(!flagsqu)&flag=l);如果一旦终止信号的/产生可以立马退出循环flagsqu=0;do_wave=1;while(!flagsqu)&flag=1);f

6、lagsqu=0;while(flag);flag=1;TR1=0;*/voidSqutranslator()/方波函数ucharj;uchardat1=0 x7f;while(flag)prepare();dat=dat1;for(j=0;j7);/将数据的最高位赋给dinclk=1;dat=dat1;/一位位的传输clk=0;cs=1;/cs的上升沿和下降沿必须在clk为低时进行delay(200);/使高低电平持续一段时间if(dat1=0)dat1=0 x7f;/完成了0和0 x7f之间的替换elsedat1=0;while(flag);uchari,j;dovoidTratransl

7、ator()/锯齿波的发生函数ucharj;uchardat1=0 x7f;while(flag)doprepare();dat=dat1;for(j=0;j7);/将数据的最高位赋给dinclk=1;dat=dat1;/一位位的传输clk=0;cs=1;/cs的上升沿和下降沿必须在clk为低时进行delay(2);/稍加延时dat1-;while(flag&dat1);/一旦有终止信号就可以停止prepare();dat=dat1;for(j=0;j7);/将数据的最高位赋给dinclk=1;dat=dat1;/一位位的传输clk=0;cs=1;/cs的上升沿和下降沿必须在clk为低时进行d

8、elay(2);/稍加延时dat1+;while(flag&(!(dat1=0 x7f);voidSintranslator(ucharwave,ucharnum)/正弦波的转换函数douchardat1;dofor(i=0;inum;i+)prepare();dat1=wavei;/打开片选开始工作for(j=0;j7);/将数据的最高位赋给dinclk=1;dat1=dat11;/一位位的传输clk=0;if(flag=0)break;cs=1;/cs的上升沿和下降沿必须在clk为低时进行delay(1);/稍加延时if(flag=0)break;dodowhile(flag);/等待控制

9、键的暂停case1:delay(10);voidkeyscan()/切换功能按键返回键值函数case1:delay(10);case1:delay(10);uchari;for(i=0;i4;i+)if(key1=0)delay(10);if(key1=0)keydat+;dowhile(!key1);/松手检测if(keydat=4)keydat=l;加满回零处理voidkeycountrl()/切断输出控制函数if(key2=0)if(key2=0)flag=0;dowhile(!key2);/松手检测voidmain()case1:delay(10);case1:delay(10);uc

10、hartemp;TMOD=0 x01;TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA=1;ET0=1;TR0=1;while(1)doswitch(keydat)/确定定时器的工作方式/给定时器0赋予初值/开总中断/开启定时器0中断delay(10);flag=1;doSintranslator(tosin,141);while(flag);break;case2:flag=1;doTratranslator();while(flag);break;case3:flag=1;doSqutranslator();while(flag);break;default:break;while(flag);temp=keydat;/