基于proteus的函數(shù)信號發(fā)生器的畢業(yè)論文-資料下載頁
2025-06-27 18:58本頁面
【正文】 ,6,1,2,5,1,2,4,1,2,3,1,2,2,1,2,1,1,2,0,1,1,9,1,1,8,1,1,7,1,1,6,1,1,5,1,1,4,1,1,3,1,1,2,1,1,1,1,1,0,1,0,9,1,0,8,1,0,7,1,0,6,1,0,5,1,0,4,1,0,3,1,0,2,1,0,1,1,0,0,0,9,9,0,9,8,0,9,7,0,9,6,0,9,5,0,9,4,0,9,3,0,9,2,0,9,1,0,9,0,0,8,9,0,8,8,0,8,7,0,8,6,0,8,5,0,8,4,0,8,3,0,8,2,0,8,1,0,8,0,0,7,9,0,7,8,0,7,7,0,7,6,0,7,5,0,7,4,0,7,3,0,7,2,0,7,1,0,7,0,0,6,9,0,6,8,0,6,7,0,6,6,0,6,5,0,6,4,0,6,3,0,6,2,0,6,1,0,6,0,0,5,9,0,5,8,0,5,7,0,5,6,0,5,5,0,5,4,0,5,3,0,5,2,0,5,1,0,5,0,0,4,9,0,4,8,0,4,7,0,4,6,0,4,5,0,4,4,0,4,3,0,4,2,0,4,1,0,4,0,0,3,9,0,3,8,0,3,7,0,3,6,0,3,5,0,3,4,0,3,3,0,3,2,0,3,1,0,3,0,0,2,9,0,2,8,0,2,7,0,2,6,0,2,5,0,2,4,0,2,3,0,2,2,0,2,1,0,2,0,0,1,9,0,1,8,0,1,7,0,1,6,0,1,5,0,1,4,0,1,3,0,1,2,0,1,1,0,1,0,0,0,9,0,0,8,0,0,7,0,0,6,0,0,5,0,0,4,0,0,3,0,0,2,0,0,1}。uchar code tosin[256]={0x7F,0x82,0x85,0x88,0x8B,0x8F,0x92,0x95,0x98,0x9B,0x9E,0xA1,0xA4,0xA7,0xAA,0xAD,0xB0,0xB3,0xB6,0xB8,0xBB,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,0xF9,0xF8,0xF7,0xF6,0xF5,0xF4,0xF2,0xF1,0xEF,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,0x69,0x66,0x63,0x60,0x5D,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,0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x03,0x02,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x02,0x03,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,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}。uchar fun=1,b=0,c=0,d=0,e=0,tl,th,flag=0。sbit P3_0=P3^0。sbit P3_1=P3^1。sbit P3_2=P3^2。sbit P2_7=P2^7。uchar de1,de2。uchar A=4。void key1(void)。void key2(void)。void key3(void)。void key4(void)。void delay(uchar k)。void main(void){TMOD=0X01。th=0xff。tl=0xe8。TH0=th。TL0=tl。ET0=1。EA=1。EX1=1。PX1=1。IT1=1。TR0=1。while(1){ P3_0=0。 P3_1=1。 P3_2=0。if(num[flag*3]!=0){P1=tab[num[flag*3]]。delay(1)。}P1=0。P3_0=1。 P3_1=0。 P3_2=0。P1=tab[num[flag*3+1]]。delay(1)。P1=0。P3_0=0。 P3_1=0。 P3_2=0。P1=tab[num[flag*3+2]]。delay(1)。P1=0。P3_0=1。 P3_1=1。 P3_2=0。P1=tab[fun+9]。delay(1)。P1=0。 }}void delay(uchar k){for(de1=0。de110。de1++) for(de2=0。de2k。de2++){。}}void key1(void) //１鍵選擇發(fā)波類型,1為正弦波,2為三角波,3為方波,4鋸齒波{fun++。if(fun==5) fun=0x01。 }void key2(void) //２鍵加大頻率{ tl+=0x1。 if(tl0xe8) tl=0x00。 if(flag0) flag。 else flag=255。}void key3(void) //３鍵減小頻率{ if(th0x00) { tl=0x1。 if(flag255) flag++。 else flag=0。 }}void key4(void) {}void time0_int(void) interrupt 1 //中斷服務(wù)程序{ TR0=0。 if(fun==1) { DA0832=tosin[b]/4*A。 //正弦波 b++。 } else if(fun==2) //三角波 { if(c128)DA0832=c*2/4*A。 else DA0832=(255c)*2/4*A。 c++。 } else if(fun==3) // 方波 { d++。 if(d=128)DA0832=0x00。 else DA0832=0xff/4*A。 } else if(fun==4) // 鋸齒波 { e++。 DA0832=e/4*A。 } TH0=th。 TL0=tl。 TR0=1。}void int1 (void) interrupt 2 //int1中斷服務(wù)程序{ if(P2!=0xff) delay(125)。 if(P2==0xff) return。 if(P2==0xef) key1()。 if(P2==0xdf) key2()。 if(P2==0xbf) key3()。 if(P2==0x7f) key4()。}附錄B：
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