用DDS-AD9854产生各种波形程序集.doc

用DDS AD9854产生各种波形程序集本程序集包含以下波形的程序：正弦波，三角波，AM调制，FM调制，ASK调制，PSK调制，FSK调制最后还有一个包含12864液晶显示、7290键盘控制的可以输出正弦波，三角波，方波（由单片机产生），AM调制，FM调制，ASK调制和PSK调制的一个DDS函数发生器的综合系统。这些程序都是本人写的，单片机用的是TI的msp430f247，这些程序都经过精心调试，并都已调试成功。希望这些程序能给需要的朋友一定的帮助。头文件【AD9854.h】：#define PAR1_H 0x00/Phase Adjust Register#1#define PAR1_L 0X01/Phase Adjust Register#1#define PAR2_H 0X02/Phase Adjust Register#2#define PAR2_L 0X03/Phase Adjust Register#2#define FTW1_6 0X04/Frequency Tuning Word1#define FTW1_5 0X05/Frequency Tuning Word1#define FTW1_4 0X06/Frequency Tuning Word1#define FTW1_3 0X07/Frequency Tuning Word1#define FTW1_2 0X08/Frequency Tuning Word1#define FTW1_1 0X09/Frequency Tuning Word1#define FTW2_6 0X0A/Frequency Tuning Word2#define FTW2_5 0X0B/Frequency Tuning Word2#define FTW2_4 0X0C/Frequency Tuning Word2#define FTW2_3 0X0D/Frequency Tuning Word2#define FTW2_2 0X0E/Frequency Tuning Word2#define FTW2_1 0X0F/Frequency Tuning Word2#define DFW_6 0X10/Delta Frequency Word#define DFW_5 0X11/Delta Frequency Word#define DFW_4 0X12/Delta Frequency Word#define DFW_3 0X13/Delta Frequency Word#define DFW_2 0X14/Delta Frequency Word#define DFW_1 0X15/Delta Frequency Word#define UDCLK_4 0X16/Update Clock#define UDCLK_3 0X17/Update Clock#define UDCLK_2 0X18/Update Clock#define UDCLK_1 0X19/Update Clock#define RRC_3 0X1A/Ramp Rate Clock#define RRC_2 0X1B/Ramp Rate Clock#define RRC_1 0X1C/Ramp Rate Clock#define PD 0X1D/Power Down:DC,DC,DC,Comp PD,0,QDAC PD,DAC PD,DIG PD#define REFCLK 0X1E/REFCLK:DC,PLL Range,Bypass PLL,RM4,RM3,RM2,RM1,RM0#define MOD 0X1F/MOD:CLR ACC1,CLR ACC2,Triangle,SRC QDAC,M2,M1,M0,Int Update Clk#define OSK_S 0X20/OSK&SERIAL COM:DC,Bypass Inv Sinc,OSK EN,OSK INT,DC,DC,LSB First,SDO Active#define OSKI_2 0X21/Output Shape Key I Mult#define OSKI_1 0X22/Output Shape Key I Mult#define OSKQ_2 0X23/Output Shape Key Q Mult#define OSKQ_1 0X24/Output Shape Key Q Mult#define OSKRR 0X25/Output Shape Key Ramp Rate#define QDAC_2 0X26/QDAC#define QDAC_1 0X27/QDAC正弦波：#include msp430x24x.h#include AD9854.h#define uchar unsigned char#define us _NOP();_NOP();_NOP();_NOP();_NOP();_NOP();_NOP();_NOP()#define data_out P5OUT#define data_in P5IN#define data_dir P5DIR#define add_out P4OUT#define add_dir P4DIR#define ctrl_out P1OUT#define ctrl_dir P1DIR#define UDCLK BIT6#define WR BIT5#define RD BIT4#define FBH BIT3#define SK BIT2#define SP BIT1#define RST BIT0void init();void init_9854();void send_byte(uchar add,uchar data);uchar read_byte(uchar add);void delayus(int t);uchar FTW1,FTW2,FTW3,FTW4,FTW5,FTW6,P_D,REF_CLK,UD_CLK1,UD_CLK2,UD_CLK3,UD_CLK4,OSKS,MD;/*系统整体时钟设定*/void time_set() char i; BCSCTL1&=(XT2OFF+XTS); /启动xt2，ACLK为LFXT1 BCSCTL2|=SELM1; /MCLK为XT2 BCSCTL2&=SELS; /SMCLK为DCO do IFG1&=OFIFG; for(i=0xFF;i0;i-); while(IFG1&OFIFG)!=0); /*/*主函数*/int main( void ) / Stop watchdog timer to prevent time out reset WDTCTL = WDTPW + WDTHOLD; init(); init_9854(); send_byte(PD,0x00); /turn on I DAC and DIG,but still off Q DAC,PD: DC,DC,DC,COMP, 0,QDAC,DAC,DIG/* send_byte(FTW1_6,0x15); /设置频率10MHz:15 55 46 8C 40 00 send_byte(FTW1_5,0x55); send_byte(FTW1_4,0x46); send_byte(FTW1_3,0x8C); send_byte(FTW1_2,0x40); send_byte(FTW1_1,0x00);*/ send_byte(FTW1_6,0x02); /设置频率1MHz:02 22 22 22 22 22 send_byte(FTW1_5,0x22); send_byte(FTW1_4,0x22); send_byte(FTW1_3,0x00); send_byte(FTW1_2,0x00); send_byte(FTW1_1,0x00);/*/*单片机初始化*/void init() time_set(); data_dir=0xFF; add_dir=0xff; ctrl_dir=0xff; ctrl_out=0x32; /CP,UDCLK,F/B/H,SK,RST=0;WR,RD,S/P=1/*/*初始化AD9854*/void init_9854() ctrl_out|=RST; delayus(1); ctrl_out&=RST; /1F为默认值，即Triangle=0，QDAC为内部输入，模式0，内部刷新时钟 send_byte(REFCLK,0x04); /PLL小于200MHz，不旁路PLL，4倍频 delayus(4); /延时4us，以保证数据写入 send_byte(UDCLK_1,0x20); /将刷新周期改为600多ns，保证发送1字节数据的周期大于刷新周期 delayus(2); /延时1us，以保证数据写入 send_byte(PD,0x17); /power down所有模块 send_byte(OSK_S,0x00); /不旁路Inv Sinc，不使能OSK EN/*/ /*发送1字节数据*/void send_byte(uchar add,uchar data) data_dir=0xff; ctrl_out|=WR; add_out=add; /送地址 _NOP(); ctrl_out&=WR; /拉低WR data_out=data; /送数据 _NOP(); ctrl_out|=WR; /拉高WR delayus(1);/*/*读取一个字节的数据*/uchar read_byte(uchar add) uchar dat; data_dir=0x00; ctrl_out|=RD; add_out=add; ctrl_out&=RD; _NOP(); dat=data_in; ctrl_out|=RD; return dat;/*/ /*1us延时*/void delayus(int t) while(t-)us;三角波：#include msp430x24x.h#include AD9854.h#define uchar unsigned char#define us _NOP();_NOP();_NOP();_NOP();_NOP();_NOP();_NOP();_NOP()#define data_out P5OUT#define data_in P5IN#define data_dir P5DIR#define add_out P4OUT#define add_dir P4DIR#define ctrl_out P1OUT#define ctrl_dir P1DIR#define UDCLK BIT6#define WR BIT5#define RD BIT4#define FBH BIT3#define SK BIT2#define SP BIT1#define RST BIT0void init();void init_9854();void init_TA();void send_byte(uchar add,uchar data);uchar read_byte(uchar add);void delayus(int t);/*系统整体时钟设定*/void time_set() char i; BCSCTL1&=(XT2OFF+XTS); /启动xt2，ACLK为LFXT1 BCSCTL2|=SELM1; /MCLK为XT2 BCSCTL2|=SELS+BIT2+BIT1; /SMCLK为XT2,8分频 do IFG1&=OFIFG; for(i=0xFF;i0;i-); while(IFG1&OFIFG)!=0); /*/*主函数*/int main( void ) / Stop watchdog timer to prevent time out reset WDTCTL = WDTPW + WDTHOLD; init(); init_9854(); init_TA(); send_byte(PD,0x10); /turn on I DAC and DIG,but still off Q DAC,PD: DC,DC,DC,COMP, 0,QDAC,DAC,DIG CCR0=18; /18 CCR1=9; /16 send_byte(OSKRR,0X03); /幅度扫描时间设为最大-8.7381ms TACTL|=0X0010; /开始增计数模式 while(1);/*/*单片机初始化*/void init() time_set(); data_dir=0xFF; add_dir=0xff; ctrl_dir=0xff; P1SEL|=0X04; /P1.2为TA1输出 ctrl_out=0x36; /UDCLK,F/B/H,RST=0;WR,RD,SK,S/P=1/*/*初始化AD9854*/void init_9854() ctrl_out|=RST; delayus(1); ctrl_out&=RST; /1F为默认值，即Triangle=0，QDAC为内部输入，模式0，内部刷新时钟 send_byte(REFCLK,0x04); /PLL小于200MHz，不旁路PLL，4倍频 delayus(4); /延时4us，以保证数据写入 send_byte(UDCLK_1,0x20); /将刷新周期改为600多ns，保证发送1字节数据的周期大于刷新周期 delayus(2); /延时1us，以保证数据写入 send_byte(PD,0x17); /power down所有模块 send_byte(OSK_S,0x30); /不旁路Inv Sinc，使能OSK EN，选择内部配置ramp/*/*Timer_A初始化*/void init_TA() TACTL=0X0204; /选择子系统时钟，不分频，停止计数，清除定时器，禁止中断，清溢出标志 CCTL1=OUTMOD_7; /禁止捕获，输出模式7（复位/置位模式） /*发送1字节数据*/void send_byte(uchar add,uchar data) data_dir=0xff; ctrl_out|=WR; add_out=add; /送地址 _NOP(); ctrl_out&=WR; /拉低WR data_out=data; /送数据 _NOP(); ctrl_out|=WR; /拉高WR delayus(1);/*/*读取一个字节的数据*/uchar read_byte(uchar add) uchar dat; data_dir=0x00; ctrl_out|=RD; add_out=add; ctrl_out&=RD; _NOP(); dat=data_in; ctrl_out|=RD; return dat;/*/ /*1us延时*/void delayus(int t) while(t-)us;AM调制：#include msp430x24x.h#include AD9854.h#define uchar unsigned char#define us _NOP();_NOP();_NOP();_NOP();_NOP();_NOP();_NOP();_NOP()#define data_out P5OUT#define data_in P5IN#define data_dir P5DIR#define add_out P4OUT#define add_dir P4DIR#define ctrl_out P1OUT#define ctrl_dir P1DIR#define UDCLK BIT6#define WR BIT5#define RD BIT4#define FBH BIT3#define SK BIT2#define SP BIT1#define RST BIT0void init();void init_9854();void init_adc12();void send_byte(uchar add,uchar data);uchar read_byte(uchar add);void delayus(int t);int samp=0,ATW; float A=0.5,dc,ac; /A:调制指数,dc:直流量，ac:交流量/*系统整体时钟设定*/void time_set() char i; BCSCTL1&=(XT2OFF+XTS); /启动xt2，ACLK为LFXT1 BCSCTL2|=SELM1; /MCLK为XT2 BCSCTL2&=SELS; /SMCLK为DCO do IFG1&=OFIFG; for(i=0xFF;i0;i-); while(IFG1&OFIFG)!=0); /*/*主函数*/int main( void ) / Stop watchdog timer to prevent time out reset WDTCTL = WDTPW + WDTHOLD; init(); init_9854(); init_adc12(); send_byte(PD,0x10); /turn on I DAC and DIG,but still off Q DAC,PD: DC,DC,DC,COMP, 0,QDAC,DAC,DIG send_byte(FTW1_6,0x2a); /设置频率10MHz:15 55 46 8C 40 00 send_byte(FTW1_5,0xaa); send_byte(FTW1_4,0x8d); send_byte(FTW1_3,0x18); send_byte(FTW1_2,0x80); send_byte(FTW1_1,0x00); ADC12CTL0 |= 0x01; /开始转换 while(1);/*/*单片机初始化*/void init() time_set(); data_dir=0xFF; add_dir=0xff; ctrl_dir=0xff; ctrl_out=0x32; /CP,UDCLK,F/B/H,SK,RST=0;WR,RD,S/P=1/*/*初始化AD9854*/void init_9854() ctrl_out|=RST; delayus(1); ctrl_out&=RST; /1F为默认值，即Triangle=0，QDAC为内部输入，模式0，内部刷新时钟 send_byte(REFCLK,0x04); /PLL小于200MHz，不旁路PLL，4倍频 delayus(4); /延时4us，以保证数据写入 send_byte(UDCLK_1,0x20); /将刷新周期改为600多ns，保证发送1字节数据的周期大于刷新周期 delayus(2); /延时1us，以保证数据写入 send_byte(PD,0x17); /power down所有模块 send_byte(OSK_S,0x20); /不旁路Inv Sinc，使能OSK EN,使用OSK寄存器/*/*初始化ADC12*/void init_adc12() P6SEL |= 0XFF; ADC12CTL0 &= ENC; ADC12CTL0=0X03f0; /07采样保持时间为ADC12时钟的32倍（4us），多次采样，2.5V参考源，参考源开，ADC12内核开，溢出中断等关闭 ADC12CTL1=0X0214; /首地址从ADC12MEM0开始，输入信号源为ADC12SC,采样由SAMPCON触发，输入信号同向输入，不分频，时钟源选择MCLK，单通道多次转换 ADC12MCTL0=0X10; /通道0选择内部参考源-2.5V ADC12IE=0X0001; /使能通道0转换完成后中断 _EINT(); ADC12CTL0 |= ENC; /使能AD转换/*/ /*发送1字节数据*/void send_byte(uchar add,uchar data) data_dir=0xff; ctrl_out|=WR; add_out=add; /送地址 _NOP(); ctrl_out&=WR; /拉低WR data_out=data; /送数据 _NOP(); ctrl_out|=WR; /拉高WR delayus(1);/*/*读取一个字节的数据*/uchar read_byte(uchar add) uchar dat; data_dir=0x00; ctrl_out|=RD; add_out=add; ctrl_out&=RD; _NOP(); dat=data_in; ctrl_out|=RD; return dat;/*/ /*1us延时*/void delayus(int t) while(t-)us;#pragma vector=ADC12_VECTOR_interrupt void adc12() samp=ADC12MEM0; dc=(1-A)*0XFFF/(1+A); ac=2*A*samp/(1+A); ATW=dc+ac; send_byte(OSKI_2,ATW/0x100); send_byte(OSKI_1,ATW%0x100);FM调制：#include msp430x24x.h#include AD9854.h#define uchar unsigned char#define us _NOP();_NOP();_NOP();_NOP();_NOP();_NOP();_NOP();_NOP()#define data_out P5OUT#define data_in P5IN#define data_dir P5DIR#define add_out P4OUT#define add_dir P4DIR#define ctrl_out P1OUT#define ctrl_dir P1DIR#define UDCLK BIT6#define WR BIT5#define RD BIT4#define FBH BIT3#define SK BIT2#define SP BIT1#define RST BIT0void init();void init_9854();void init_adc12();void send_byte(uchar add,uchar data);uchar read_byte(uchar add);void delayus(int t);int samp=0,pp=75; /pp:频偏uchar ftw1,ftw2,ftw3,ftw4,ftw5,ftw6;unsigned int am,per,pp1,pp2,pp3,spp1,spp2,spp3,ftw11,ftw12,ftw13,ftw14,ftw15,ftw16,c,i;long int scal;uchar rd=0;/*系统整体时钟设定*/void time_set() char i; BCSCTL1&=(XT2OFF+XTS); /启动xt2，ACLK为LFXT1 BCSCTL2|=SELM1; /MCLK为XT2 BCSCTL2&=SELS; /SMCLK为DCO do IFG1&=OFIFG; for(i=0xFF;i0;i-); while(IFG1&OFIFG)!=0); /*/*主函数*/int main( void ) / Stop watchdog timer to prevent time out reset WDTCTL = WDTPW + WDTHOLD; init(); init_9854(); init_adc12(); send_byte(PD,0x10); /turn on I DAC and DIG,but still off Q DAC,PD: DC,DC,DC,COMP, 0,QDAC,DAC,DIG send_byte(FTW1_6,0x02); /设置频率1MHz:02 22 20 a7 a0 00 send_byte(FTW1_5,0x22); send_byte(FTW1_4,0x20); send_byte(FTW1_3,0xa7); send_byte(FTW1_2,0xa0); send_byte(FTW1_1,0x00); ftw1=0x00; ftw2=0xa0; ftw3=0xa7; ftw4=0x20; ftw5=0x22; ftw6=0x02; switch(pp) case 15:pp3=0x0008;pp2=0x3156;pp1=0x544E;break; case 20:pp3=0x000A;pp2=0xEC2C;pp1=0x5000;break; case 25:pp3=0x000D;pp2=0xA746;pp1=0xA640;break; case 30:pp3=0x0010;pp2=0x6251;pp1=0xBA40;break; case 35:pp3=0x0013;pp2=0x1D5C;pp1=0xCE40;break; case 40:pp3=0x0015;pp2=0xD867;pp1=0xE240;break; case 45:pp3=0x0018;pp2=0x9345;pp1=0x2F80;break; case 50:pp3=0x001B;pp2=0x4E6E;pp1=0xC800;break; case 55:pp3=0x001E;pp2=0x0998;pp1=0x6080;break; case 60:pp3=0x0020;pp2=0xC4C1;pp1=0xF900;break; case 65:pp3=0x0023;pp2=0x7FEB;pp1=0x9180;break; case 70:pp3=0x0026;pp2=0x3A7C;pp1=0x9380;break; case 75:pp3=0x0028;pp2=0xF5A6;pp1=0x2C00; ADC12CTL0 |= 0x01; /开始转换 while(1); /*/*单片机初始化*/void init() time_set(); data_dir=0xFF; add_dir=0xff; ctrl_dir=0xff; ctrl_out=0x32; /CP,UDCLK,F/B/H,SK,RST=0;WR,RD,S/P=1/*/*初始化AD9854*/void init_9854() ctrl_out|=RST; delayus(1); ctrl_out&=RST; /1F为默认值，即Triangle=0，QDAC为内部输入，模式0，内部刷新时钟 send_byte(REFCLK,0x04); /PLL小于200MHz，不旁路PLL，4倍频 delayus(4); /延时4us，以保证数据写入 send_byte(UDCLK_1,0x20); /将刷新周期改为600多ns，保证发送1字节数据的周期大于刷新周期 delayus(2); /延时1us，以保证数据写入 send_byte(PD,0x17); /power down所有模块 send_byte(OSK_S,0x00); /不旁路Inv Sinc，不使能OSK EN/*/*初始化ADC12*/void init_adc12() P6SEL |= 0XFF; ADC12CTL0 &= ENC; ADC12CTL0=0X03f0; /07采样保持时间为ADC12时钟的32倍（4us），多次采样，2.5V参考源，参考源开，ADC12内核开，溢出中断等关闭 ADC12CTL1=0X0214; /首地址从ADC12MEM0开始，输入信号源为ADC12SC,采样由SAMPCON触发，输入信号同向输入，不分频，时钟源选择MCLK，单通道多次转换 ADC12MCTL0=0X10; /通道0选择内部参考源-2.5V ADC12IE=0X0001; /使能通道0转换完成后中断 _EINT(); ADC12CTL0 |= ENC; /使能AD转换/*/ /*发送1字节数据*/void send_byte(uchar add,uchar data) data_dir=0xff; ctrl_out|=WR; add_out=add; /送地址 _NOP(); ctrl_out&=WR; /拉低WR data_out=data; /送数据 _NOP(); ctrl_out|=WR; /拉高WR delayus(1);/*/*读取一个字节的数据*/uchar read_byte(uchar add) uchar dat; data_dir=0x00; ctrl_out|=RD; add_out=add; ctrl_out&=RD; _NOP(); dat=data_in; ctrl_out|=RD; return dat;/*/ /*1us延时*/void delayus(int t) while(t-)us;#pragma vector=ADC12_VECTOR_interrupt void adc12() samp=ADC12MEM0; if(samp0x7ff) am=samp-0x7ff; per=am*0x10000/0x7ff; /per-long int; scal=0x10000; while(pp30x0f & per=0x600)per/=0x10;scal/=0x10; while(pp3=0x1000)per/=0x10;scal/=0x10; MPY=pp1; OP2=per; _NOP(); _NOP(); spp1=RESLO; c=RESHI; MPY=pp2; OP2=per; _NOP(); _NOP(); spp2=RESLO; spp2=spp2+c; c=RESHI; MPY=pp3; OP2=per; _NOP(); _NOP(); spp3=RESLO; spp3=spp3+c; switch(scal) case 0x10000:spp1=spp2;spp2=spp3;spp3=0x0000;break; case 0x1000:spp1=spp1/0x1000+(spp2%0x1000)*0x10;spp2=spp2/0x1000+(spp3%0x1000)*0x10;spp3=spp3/0x1000;break; case 0x100:spp1=spp1/0x100+(spp2%0x100)*0x100;spp2=spp2/0x100+(spp3%0x100)*0x100;spp3=spp3/0x100;break; case 0x10:spp1=spp1/0x10+(spp2%0x10)*0x1000;spp2=spp2/0x10+(spp3%0x10)*0x1000;spp3=spp3/0x10; send_byte(FTW1_1,ftw1+spp1%0x100); send_byte(FTW1_2,ftw2+spp1/0x100); send_byte(FTW1_3,ftw3+spp2%0x100); send_byte(FTW1_4,ftw4+spp2/0x100); send_byte(FTW1_5,ftw5+spp3%0x100); send_byte(FTW1_6,ftw6+spp3/0x100); for(i=15000;i0;i-); else am=0x7ff-samp; per=am*0x10000/0x7ff; /per-long int; scal=0x1000