程控滤波器程序.doc

程控滤波源代码1：/*功能：(1)TLV1544采样程序 (2)AD9851产生100200KHz的正弦信号 按键控制正弦信号10KHz步进，LCD显示 (3)AD9851产生40kHz800kHz方波 按键控制方波信号40kHz步进控制max262的时钟 (4)DAC0832转换输出控制(控制AD603的增益控制电压) (5)MAX262滤波器中心频率及品质因数的控制*/ / CodeVisionAVR C Compiler/ (C) 1998-2004 Pavel Haiduc, HP InfoTech S.R.L./ I/O registers definitions for the ATmega128#pragma used+sfrb PINF=0;sfrb PINE=1;sfrb DDRE=2;sfrb PORTE=3;sfrb ADCL=4;sfrb ADCH=5;sfrw ADCW=4; / 16 bit accesssfrb ADCSRA=6;sfrb ADMUX=7;sfrb ACSR=8;sfrb UBRR0L=9;sfrb UCSR0B=0xa;sfrb UCSR0A=0xb;sfrb UDR0=0xc;sfrb SPCR=0xd;sfrb SPSR=0xe;sfrb SPDR=0xf;sfrb PIND=0x10;sfrb DDRD=0x11;sfrb PORTD=0x12;sfrb PINC=0x13;sfrb DDRC=0x14;sfrb PORTC=0x15;sfrb PINB=0x16;sfrb DDRB=0x17;sfrb PORTB=0x18;sfrb PINA=0x19;sfrb DDRA=0x1a;sfrb PORTA=0x1b;sfrb EECR=0x1c;sfrb EEDR=0x1d;sfrb EEARL=0x1e;sfrb EEARH=0x1f;sfrw EEAR=0x1e; / 16 bit accesssfrb SFIOR=0x20;sfrb WDTCR=0x21;sfrb OCDR=0x22;sfrb OCR2=0x23;sfrb TCNT2=0x24;sfrb TCCR2=0x25;sfrb ICR1L=0x26;sfrb ICR1H=0x27;sfrw ICR1=0x26; / 16 bit accesssfrb OCR1BL=0x28;sfrb OCR1BH=0x29;sfrw OCR1B=0x28; / 16 bit accesssfrb OCR1AL=0x2a;sfrb OCR1AH=0x2b;sfrw OCR1A=0x2a; / 16 bit accesssfrb TCNT1L=0x2c;sfrb TCNT1H=0x2d;sfrw TCNT1=0x2c; / 16 bit accesssfrb TCCR1B=0x2e;sfrb TCCR1A=0x2f;sfrb ASSR=0x30;sfrb OCR0=0x31;sfrb TCNT0=0x32;sfrb TCCR0=0x33;sfrb MCUCSR=0x34;sfrb MCUCR=0x35;sfrb TIFR=0x36;sfrb TIMSK=0x37;sfrb EIFR=0x38;sfrb EIMSK=0x39;sfrb EICRB=0x3a;sfrb RAMPZ=0x3b;sfrb XDIV=0x3c;sfrb SPL=0x3d;sfrb SPH=0x3e;sfrb SREG=0x3f;#pragma used-/ Interrupt vectors definitions/ CodeVisionAVR C Compiler/ (C) 1998-2000 Pavel Haiduc, HP InfoTech S.R.L.#pragma used+void delay_us(unsigned int n);void delay_ms(unsigned int n);#pragma used-/* CodeVisionAVR C Compiler Prototypes for standard library functions (C) 1998-2003 Pavel Haiduc, HP InfoTech S.R.L.*/#pragma used+int atoi(char *str);long int atol(char *str);float atof(char *str);void itoa(int n,char *str);void ltoa(long int n,char *str);void ftoa(float n,unsigned char decimals,char *str);void ftoe(float n,unsigned char decimals,char *str);void srand(int seed);int rand(void);void *malloc(unsigned int size);void *calloc(unsigned int num, unsigned int size);void *realloc(void *ptr, unsigned int size); void free(void *ptr);#pragma used-#pragma library stdlib.lib/ CodeVisionAVR C Compiler/ (C) 1998-2005 Pavel Haiduc, HP InfoTech S.R.L./ Prototypes for string functions#pragma used+char *strcat(char *str1,char *str2);char *strcatf(char *str1,char flash *str2);char *strchr(char *str,char c);signed char strcmp(char *str1,char *str2);signed char strcmpf(char *str1,char flash *str2);char *strcpy(char *dest,char *src);char *strcpyf(char *dest,char flash *src);unsigned char strcspn(char *str,char *set);unsigned char strcspnf(char *str,char flash *set);unsigned int strlenf(char flash *str);char *strncat(char *str1,char *str2,unsigned char n);char *strncatf(char *str1,char flash *str2,unsigned char n);signed char strncmp(char *str1,char *str2,unsigned char n);signed char strncmpf(char *str1,char flash *str2,unsigned char n);char *strncpy(char *dest,char *src,unsigned char n);char *strncpyf(char *dest,char flash *src,unsigned char n);char *strpbrk(char *str,char *set);char *strpbrkf(char *str,char flash *set);signed char strpos(char *str,char c);char *strrchr(char *str,char c);char *strrpbrk(char *str,char *set);char *strrpbrkf(char *str,char flash *set);signed char strrpos(char *str,char c);char *strstr(char *str1,char *str2);char *strstrf(char *str1,char flash *str2);unsigned char strspn(char *str,char *set);unsigned char strspnf(char *str,char flash *set);char *strtok(char *str1,char flash *str2); unsigned int strlen(char *str);void *memccpy(void *dest,void *src,char c,unsigned n);void *memchr(void *buf,unsigned char c,unsigned n);signed char memcmp(void *buf1,void *buf2,unsigned n);signed char memcmpf(void *buf1,void flash *buf2,unsigned n);void *memcpy(void *dest,void *src,unsigned n);void *memcpyf(void *dest,void flash *src,unsigned n);void *memmove(void *dest,void *src,unsigned n);void *memset(void *buf,unsigned char c,unsigned n);#pragma used-#pragma library string.lib/* TLV1544驱动程序 CS PG0 DO PG1 DI PG2 CLK PG3 EOC PG4*/ CodeVisionAVR C Compiler/ (C) 1998-2000 Pavel Haiduc, HP InfoTech S.R.L./#include stdlib.h/#define bits2(x) (1x)/*TLV1544初始化*/void init_TLV1544(void) (*(unsigned char *) 0x64)=0X0D; /*按通道读取数据address地址0x00 通道00x02 通道10x04 通道20x06 通道3*/ unsigned int TLV1544(unsigned char address) unsigned char i; unsigned int temp=0; /返回值 (*(unsigned char *) 0x65)|= (10) ; /预先拉高 / FS=0; /预先拉低 (*(unsigned char *) 0x65)&= (13); /预先拉低 (*(unsigned char *) 0x65)&=(10) ; /开始时序 delay_us(2); /* FS=1; /帧同步脉冲 delay_us(2); FS=0; */ for(i=0;i10;i+) /10个时钟 if(i=3) if(address&0x08)=0x08) (*(unsigned char *) 0x65)|= (12) ; else (*(unsigned char *) 0x65)&= (12); address=1; (*(unsigned char *) 0x65)|= (13) ; /上升沿写入数据 if(*(unsigned char *) 0x63)&(11) &0x02)=1) temp=temp|0x01; temp=1; (*(unsigned char *) 0x65)&= (1=1; delay_us(20); while(*(unsigned char *) 0x63)&(14) =0x00); /等待转换结束 (*(unsigned char *) 0x65)|= (1=1;i-) ddsi=fre&255; / freqency为四个字节，将其一一存入到 ddsi fre=fre8; for(i=0;i=1;i-) ddsi=fre&255; / freqency为四个字节，将其一一存入到 ddsi fre=fre8; for(i=0;i5;i+) (*(unsigned char *) 0x62)=ddsi; PORTD.4 =0; PORTD.4 =1; PORTD.4 =0; PORTD.5 =1; delay_us(1); PORTD.5 =0;void ad9851_init(void) DDRC.0 =1; DDRC.1 =1; /设置 DDRD.4 DDRD.5 DDRD.6为输出 DDRD.4 =1; DDRD.5 =1; (*(unsigned char *) 0x61) =0xff; /定义数据口方向 DDRC.2=1; DDRC.2=1; PORTC.2 =1; PORTC.2 =0; DDRD.6=1; DDRD.6=1; PORTD.6=1; PORTD.6=0; delay_ms(10);/*LCD240128在mega128上显示子函数*/*CodeVisionAVR C CompilerPrototypes for mathematical functionsPortions (C) 1998-2001 Pavel Haiduc, HP InfoTech S.R.L.Portions (C) 2000-2001 Yuri G. Salov*/#pragma used+unsigned char cabs(signed char x);unsigned int abs(int x);unsigned long labs(long x);float fabs(float x);signed char cmax(signed char a,signed char b);int max(int a,int b);long lmax(long a,long b);float fmax(float a,float b);signed char cmin(signed char a,signed char b);int min(int a,int b);long lmin(long a,long b);float fmin(float a,float b);signed char csign(signed char x);signed char sign(int x);signed char lsign(long x);signed char fsign(float x);unsigned char isqrt(unsigned int x);unsigned int lsqrt(unsigned long x);float sqrt(float x);float floor(float x);float ceil(float x);float fmod(float x,float y);float modf(float x,float *ipart);float ldexp(float x,int expon);float frexp(float x,int *expon);float exp(float x);float log(float x);float log10(float x);float pow(float x,float y);float sin(float x);float cos(float x);float tan(float x);float sinh(float x);float cosh(float x);float tanh(float x);float asin(float x);float acos(float x);float atan(float x);float atan2(float y,float x);#pragma used-#pragma library math.lib/*写数据*/void Post_Msg(unsigned char Msg) DDRA =0xFF; / C口数据流出 PORTA =Msg; /将值赋给PORTC,输出数据 PORTC.4 =1; /置数据通道 PORTC.5 =0; /选中外设 PORTC.7 =0; delay_us(1); /外地址写数据开始 PORTC.7 =1; /写结束 PORTC.5 =1; /关外设 delay_us(1);/*写命令*/void Post_Com(unsigned char Com) DDRA =0xFF; /C口流出 PORTA =Com; /输出数据 PORTC.4 =0; /置命令通道 PORTC.5 =0; /选中外设 PORTC.7 =0; /外地址写数据开始 delay_us(1); PORTC.7 =1; /写结束 PORTC.5 =1; /关外设 delay_us(1);/*送一帧命令*/void Send_Com(unsigned char Addr,unsigned char Data) Post_Com(Addr); Post_Com(Data);/*定义12h为0xB1为图形图层，程序默认为文字模式 注：进入图形模式前调用Image()进入 注：画图结束调用Image_back()返回文本模式*/void Image(void) Send_Com(0x12,0xB1); /设置REG 12为0xB1，表示数据写入图形图层 Send_Com(0x00,0xC5); /设置为图形模式void Image_back(void) Send_Com(0x12,0xB2); /设置REG 12为0xB，表示数据写入文本图层 Send_Com(0x00,0xCD); /设置为文本模式void Send_Data(unsigned char X,unsigned char Y,unsigned char Data) Send_Com(0x60,X); Send_Com(0x70,Y*8); Post_Msg(Data); /* 读寄存器值 */unsigned char Read_Reg(unsigned char Addr) unsigned char Temp; Post_Com(Addr); PORTA =0xFF; DDRA =0x00; PORTC.4 =0; PORTC.5 =0; PORTC.6 =0; delay_us(1); Temp=PINA ; PORTC.6 =1; PORTC.5 =1; delay_us(1); DDRA =0xFF; return(Temp); /*读一帧数据*/unsigned char Read_Data(unsigned char H,unsigned char L) unsigned char Temp; Send_Com(0x60,H); Send_Com(0x70,L); PORTA =0xFF; DDRA =0x00; PORTC.4 =1; PORTC.5 =0; PORTC.6 =0; delay_us(1); Temp=PINA ; PORTC.6 =1; PORTC.5 =1; DDRA =0xFF; return(Temp); /*清屏函数，将文本层和图形层全清空*/void Clear() Send_Com(0x12,0xB3); /双层同时清屏 Send_Com(0xE0,0x00); Send_Com(0xF0,0xA8); void ClearImage() Send_Com(0x12,0xB1); /图形图层清屏 Send_Com(0xE0,0x00); Send_Com(0xF0,0xA8);void ClearText() Send_Com(0x12,0xB2); /清屏文本图层 Send_Com(0xE0,0x00); Send_Com(0xF0,0xA8);/*此函数用于显示汉字，daxiao为0时表示初始大小16*16为1放大一倍，为2放大两倍，最大为3显示为64*64H表示横向偏移028，L表示纵向偏移07*/void Chinese(unsigned char X,unsigned char Y,unsigned char daxiao, unsigned char *p) daxiao=daxiao*5; daxiao=daxiao0) Post_Msg(*p); delay_us(50); p+; PORTC.5 =1; /* 此函数用于显示单个字母，daxiao为0时表示初始大小16*16 为1放大一倍，为2放大两倍，最大为3显示为64*64H表示横向偏移029，L表示纵向偏移014 */void Word(unsigned char H,unsigned char L,unsigned char daxiao,unsigned char p) daxiao=daxiao*5; daxiao=daxiao0) Post_Msg(*Text); Text+; delay_us(5); /*显示字符串，包括中文字符,可混合中英文即符号 /注：自己加的X0:列设置(0-29) Y0:行设置(0-15)*/void Show_text1(unsigned char H,unsigned char L,unsigned char *Text) Send_Com(0x12,0xB1); /自己加的 Send_Com(0x60,H); Send_Com(0x70,L*16); Send_Com(0xf0,0xa0); /进入ASII表0 while(*Text)0) Post_Msg(*Text); Text+; delay_us(5); /*显示单个数字*/void Show_num(unsigned char H,unsigned char L,unsigned char Num) Send_Com(0xF0,0xA0); /进入ASCII区块0 Send_Com(0x60,H); Send_Com(0x70,L*8); Post_Msg(Num+48);/* Num代表符号在ASCII区块0的编号 */void New_Show(unsigned char H,unsigned char L,unsigned char Num) Send_Com(0xF0,0xA0); /进入ASCII区块0 Send_Com(0x60,H); Send_Com(0x70,L*8); /8改为了16 Post_Msg(Num);/* Num代表符号在ASCII区块0的编号 注：自己加的 */void New_Show1(unsigned char H,unsigned char L,unsigned char Num) Send_Com(0x12,0xB1); Send_Com(0xF0,0xA0); /进入ASCII区块0 Send_Com(0x60,H); Send_Com(0x70,L*8); /8改为了16 Post_Msg(Num);/*显示浮点数 */void Show_