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1、1.电路图1 期 TPl.1刈 时町*Ffl&MXJ FA7W7壮H财R2皿 Ffi2)A10 rwili 陀铝恺 申WI3 円卯W H17A1Sra Jiiin Rs-m pjtfflR FfllJllffiAwTlj+UG BLM324H= WR?LB时LJ2.锯齿波3.三角波Clit fr CIiniI p4矩形波5.正弦波SourceP亡BLevrl述DGOnB-ShCKCursors!Chaiviel BDGCliaimolCCtiainel DStHJtflb t. laidPoflfinnPn*4liinnI -Pnilinn6.C 代码#include #include #de
2、fine DAC0832 XBYTE0x7fff#define uchar unsigned char#define uint unsigned int/生成波形期间对应的按键要一直按下sbit key1=P1A0;sbit key2=P1A1;sbit key3=P1A2;sbit key4=P1T;/下面的编码定义是由正弦波数据生成器所生成，可以百度下载uchar code sin_tab=0x7F,0x82,0x85,0x88,0x8B,0x8F,0x92,0x95,0x98,0x9B,0x9E,0xA1,0xA4,0xA7,0xAA,0xAD ,0xB0,0xB3,0xB6,0xB8,
3、0xBB,0xBE,0xC1,0xC3,0xC6,0xC8,0xCB,0xCD,0xD0,0xD2,0xD5,0xD7 ,0xD9,0xDB,0xDD,0xE0,0xE2,0xE4,0xE5,0xE7,0xE9,0xEB,0xEC,0xEE,0xEF,0xF1,0xF2,0xF4 ,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFB,0xFC,0xFD,0xFD,0xFE,0xFE,0xFE,0xFE,0xFE ,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFD,0xFD,0xFC,0xFB,0xFB,0xFA,0xF9,0xF8,0xF7,0x
4、F6 ,0xF5,0xF4,0xF2,0xF1,0xEF,0xEE,0xEC,0xEB,0xE9,0xE7,0xE5,0xE4,0xE2,0xE0,0xDD,0xDB ,0xD9,0xD7,0xD5,0xD2,0xD0,0xCD,0xCB,0xC8,0xC6,0xC3,0xC1,0xBE,0xBB,0xB8,0xB6,0xB3 ,0xB0,0xAD,0xAA,0xA7,0xA4,0xA1,0x9E,0x9B,0x98,0x95,0x92,0x8F,0x8B,0x88,0x85,0x82 ,0x7F,0x7C,0x79,0x76,0x73,0x6F,0x6C,0x69,0x66,0x63,0x6
5、0,0x5D,0x5A,0x57,0x54,0x51 ,0x4E,0x4B,0x48,0x46,0x43,0x40,0x3D,0x3B,0x38,0x36,0x33,0x31,0x2E,0x2C,0x29,0x27 ,0x25,0x23,0x21,0x1E,0x1C,0x1A,0x19,0x17,0x15,0x13,0x12,0x10,0x0F,0x0D,0x0C,0x0A ,0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x03,0x02,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
6、0x01,0x01,0x02,0x03,0x03,0x04,0x05,0x06,0x07,0x08 ,0x09,0x0A,0x0C,0x0D,0x0F,0x10,0x12,0x13,0x15,0x17,0x19,0x1A,0x1C,0x1E,0x21,0x23 ,0x25,0x27,0x29,0x2C,0x2E,0x31,0x33,0x36,0x38,0x3B,0x3D,0x40,0x43,0x46,0x48,0x4B ,0x4E,0x51,0x54,0x57,0x5A,0x5D,0x60,0x63,0x66,0x69,0x6C,0x6F,0x73,0x76,0x79,0x7C ;/void
7、delayms(uint xms)uint i,j;for (i=xms;i0;i-)for (j=110;j0;j-);/void juxing()uchar i;for (i=0;i0xff;i+)DAC0832=0;for (i=0;i0xff;i+)DAC0832=0xff;/void sanjiao()uchar i;for (i=0;i0;i-)DAC0832=i;/void juchi()uchar i;for (i=0;i0xff;i+)DAC0832=i;/void sin_func()uchar i;for (i=0;i0xff;i+)DAC0832=sin_tabi;if(i=0xff)i=0;/void main ()while (1)if(key1=0)delayms(IO);/延时去抖动 if(key1=0)while (!key1)juxing();/if(key2=O)delayms(1O);if(key2=O)while (!key2)sanjiao();/if(key3=O)delayms(1O);if(key3=O)while (!key3)juchi();/if(key4=0)delayms(10);if(key4=0)while (!key4)sin_func();
