MSP430f149 AD源程序

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1、#include #define ADCMEM (int *) 0x0140) /ADC12MEMx定义void InitSYS(void); void InitUST0(void); /初始化系统及ADC寄存器void InitUST1(void); void InitADC(void); void SetZero(void);int GetBusData(void);void SetBusData(int busvdata);void SendRomCode(void);void Averege(void);void Filter(void);void Analysis(void);voi

2、d Delay(int delaydata);interruptADC_VECTOR void ADC12(void);interruptUSART1RX_VECTOR void USART1(void);unsigned char savedata1500;unsigned char saveromdata7;unsigned char enddata3;unsigned int adtime;unsigned int recromok;unsigned int ave; unsigned int datai;unsigned int vdata; unsigned int time; vo

3、id main(void) /使用中断方式 unsigned int i,busvdata,low,hi,ldata; InitSYS(); InitUST0(); InitUST1(); InitADC(); P1DIR |= 0x20; P1DIR |= 0x1c; /p1.4 p1.3 p1.2 P1OUT |= BIT4; SetZero(); /设置x9015到零 for(i=0;i30000;i+) _NOP(); /wait to sample busvdata=GetBusData(); / while(1) SetBusData(busvdata); busvdata=Get

4、BusData(); if(busvdata150) break; IE2 |=URXIE1; while(1) / for(time=0;time256;time+) / /IE2 |=URXIE1; /low=time; recromok=0; while(recromok!=1); SendRomCode(); for(i=0;i1500) ADC12CTL0 &= 0x02; Filter(); Averege(); Analysis(); for(i=0;i3;i+) U1TXBUF = enddatai; while(U1TCTL&0x01)=0); /* if(enddata0=

5、0x11) for(i=0;i8; /hi = ldata | 0x00; /U1TXBUF = hi; / while(U1TCTL&0x01)=0); */ break; / void SetZero(void) int i; P1OUT &= BIT4; /cs P1OUT &= BIT3; /u/d for(i=0;i20) ADC12CTL0 &= 0x02; break; /计算 vdata1=(savedata0+savedata1+savedata2+savedata3+savedata4+savedata5+savedata6+savedata7+savedata8+save

6、data9)/10; vdata2=(savedata10+savedata11+savedata12+savedata13+savedata14+savedata15+savedata16+savedata17+savedata18+savedata19)/10; vdata=(vdata1+vdata2)/2; return(vdata); void SetBusData(int busvdata) int i; unsigned int temp; unsigned int movetime; if(busvdata150) temp=busvdata-150; movetime=(te

7、mp*20*3)/256/3; P1OUT &= BIT4; /cs P1OUT |= BIT3; /u/d for(i=0;imovetime+1;i+) P1OUT = BIT2; /inc P1OUT |= BIT4; /cs void SendRomCode(void) U0TXBUF = saveromdata6; while(U0TCTL&0x01)=0); U0TXBUF = saveromdata5; while(U0TCTL&0x01)=0); U0TXBUF = saveromdata4; while(U0TCTL&0x01)=0); U0TXBUF = saveromda

8、ta3; while(U0TCTL&0x01)=0); U0TXBUF = saveromdata2; while(U0TCTL&0x01)=0); U0TXBUF = saveromdata1; while(U0TCTL&0x01)=0); void Filter(void) unsigned int i,j,m,a3,ldata; for(i=0;i1500;i+) a0=savedatai; a1=savedatai+1; a2=savedatai+2; for(j=0;j2;j+) for(m=1;maj) ldata=aj; aj=am; am=ldata; savedatai=a1

9、; void Averege(void)/取520共15个得到总线电压值 unsigned int i,he; he=0; for(i=20;iaveadd) time32+; if(savedatadatai+1aveadd) time32+; if(savedatadatai+2aveadd) time32+; if(savedatadatai+3aveadd) time32+; if(savedatadatai+4aveadd) time32+; if(time32=4) start=1; break; else if(delaytostart700) delaytostart+; da

10、tai+; else error=1; break; if(error=1) enddata0=0x11;enddata1=0x11;enddata2=0x22;break; if(start=1) datai=datai+7; for(n=1;naveadd) time32+; if(savedatadatai+1aveadd) time32+; if(savedatadatai+2aveadd) time32+; if(time32=2) switch(n) case 1: enddata0 &= 0x01;break; case 2: enddata0 &= 0x02;break; ca

11、se 3: enddata0 &= 0x04;break; case 4: enddata0 &= 0x08;break; case 5: enddata0 &= 0x10;break; case 6: enddata0 &= 0x20;break; case 7: enddata0 &= 0x40;break; case 8: enddata0 &= 0x80;break; else switch(n) case 1: enddata0 |= 0x01;break; case 2: enddata0 |= 0x02;break; case 3: enddata0 |= 0x04;break;

12、 case 4: enddata0 |= 0x08;break; case 5: enddata0 |= 0x10;break; case 6: enddata0 |= 0x20;break; case 7: enddata0 |= 0x40;break; case 8: enddata0 |= 0x80;break; /datai=datai+6; /= datai=datai+50; delaytostart=0; start=0; error=0; while(1) time32=0; if(savedatadataiaveadd) time32+; if(savedatadatai+1

13、aveadd) time32+; if(savedatadatai+2aveadd) time32+; if(savedatadatai+3aveadd) time32+; if(savedatadatai+4aveadd) time32+; if(time32=4) start=1;break; else if(delaytostart400) delaytostart+; datai+; else error=1;break; if(error=1) enddata1=0x11;enddata2=0x22;break; if(start=1) datai=datai+7; for(n=1;

14、naveadd) time32+; if(savedatadatai+1aveadd) time32+; if(savedatadatai+2aveadd) time32+; if(time32=2) switch(n) case 1: enddata1 &= 0x01;break; case 2: enddata1 &= 0x02;break; case 3: enddata1 &= 0x04;break; case 4: enddata1 &= 0x08;break; case 5: enddata1 &= 0x10;break; case 6: enddata1 &= 0x20;brea

15、k; case 7: enddata1 &= 0x40;break; case 8: enddata1 &= 0x80;break; else switch(n) case 1: enddata1 |= 0x01;break; case 2: enddata1 |= 0x02;break; case 3: enddata1 |= 0x04;break; case 4: enddata1 |= 0x08;break; case 5: enddata1 |= 0x10;break; case 6: enddata1 |= 0x20;break; case 7: enddata1 |= 0x40;b

16、reak; case 8: enddata1 |= 0x80;break; /datai=datai+6; /= datai=datai+50; delaytostart=0; start=0; error=0; while(1) time32=0; if(savedatadataiaveadd) time32+; if(savedatadatai+1aveadd) time32+; if(savedatadatai+2aveadd) time32+; if(savedatadatai+3aveadd) time32+; if(savedatadatai+4aveadd) time32+; i

17、f(time32=4) start=1;break; else if(delaytostart400) delaytostart+; datai+; else error=1;break; if(error=1) enddata2=0x22;break; if(start=1) datai=datai+7; for(n=1;naveadd) time32+; if(savedatadatai+1aveadd) time32+; if(savedatadatai+2aveadd) time32+; if(time32=2) switch(n) case 1: enddata2 &= 0x01;b

18、reak; case 2: enddata2 &= 0x02;break; case 3: enddata2 &= 0x04;break; case 4: enddata2 &= 0x08;break; case 5: enddata2 &= 0x10;break; case 6: enddata2 &= 0x20;break; case 7: enddata2 &= 0x40;break; case 8: enddata2 &= 0x80;break; else switch(n) case 1: enddata2 |= 0x01;break; case 2: enddata2 |= 0x0

19、2;break; case 3: enddata2 |= 0x04;break; case 4: enddata2 |= 0x08;break; case 5: enddata2 |= 0x10;break; case 6: enddata2 |= 0x20;break; case 7: enddata2 |= 0x40;break; case 8: enddata2 |= 0x80;break; /datai=datai+6; /= break; /while(1) void Delay(int delaydata) unsigned long i; for (i = delaydata;

20、i 0; i-); void InitUST0(void) U0CTL |= SWRST; / USART模块被允许 U0CTL &= SYNC; U0CTL |= CHAR; / 8位字符 U0CTL |= SPB; U0TCTL |= SSEL0+SSEL1; / ACLK U0BR1 =0x0d; /0x0A; / 6MHz/2400baut U0BR0 =0x05; /0x3D; U0MCTL = 0x24; /06 ME1 |=UTXE0+URXE0; / 使能 USAR01 TXD/RXD P3SEL |= 0x30; / P3.4,5 = USART0 TXD/RXD P3DIR

21、 |= 0x10; / P3.4 为输出 U0CTL &= SWRST; /IE1 |=URXIE0; void InitUST1(void) U1CTL |= SWRST; / USART模块被允许 U1CTL &= SYNC; U1CTL |= CHAR; / 8位字符 U1CTL |= SPB; U1TCTL |= SSEL0+SSEL1; / SMCLK U1BR1 =0x0d; /0x0A;/ 6MHz/2400baut 8MHZ/2400baut/0d U1BR0 =0x05; /0x3D; /05 U1MCTL =0x24; /12 /24 ME2 |=UTXE1+URXE1;

22、/ 使能 USAR01 TXD/RXD P3SEL |= 0xc0; / P3.6,7 = USART1 TXD/RXD P3DIR |= 0x40; / P3.6 为输出 U1CTL &= SWRST; interruptUSART1RX_VECTOR void USART1(void) /ADC中断处理程序 int romhe; saveromdata6=saveromdata5; saveromdata5=saveromdata4; saveromdata4=saveromdata3; saveromdata3=saveromdata2; saveromdata2=saveromdata

23、1; saveromdata1=saveromdata0; saveromdata0=U1RXBUF; romhe=saveromdata6+saveromdata5+saveromdata4+saveromdata3+saveromdata2+saveromdata1; romhe = romhe&0x00ff; if(saveromdata0=romhe) recromok=1; /IE2 &=URXIE1; void InitADC(void) P6SEL = 0xFF; / 所有P6口线均为ADC模块使用 ADC12CTL0 &= 0x02; / 在进行设置时首先复位ADC的转换使能

24、ADC12CTL0 = SHT0_7+MSC+ADC12ON; / 内部振荡器，置位MSC位，因此转换能自动进行 /6=24us 17.375pot 8=46us 9.065pot /ADC12CTL1 = 0x0204; /0000 0010 0000 0100 / ADC12SC 位触发采样和保持 / 采样脉冲由采样定时器产生 / 时钟源：内部振荡器 / 时钟分频: 1 / 转换模式: 单通道、重复转换 / 选则参考电压和输入管脚 ADC12CTL1 = 0x021c; /0000 00 1 0 000 11 10 0 SMCLK ADC12MCTL0 |= SREF_0; /Vr+=AV

25、cc,;Vr-=AVss ADC12MCTL0 |= INCH_3; /select anonalog input ADC12IE = 0x01; / 使能通道10 转换完成后中断 ADC12CTL0 |= 0x02; / 使能ADC转换 interruptADC_VECTOR void ADC12(void) /ADC中断处理程序 ADCMEM0=ADCMEM03; savedataadtime=ADCMEM0; adtime+; /P1OUT =BIT5;void InitSYS(void) int i; WDTCTL = WDTPW + WDTHOLD; /WDTCTL = WDT_AD

26、LY_250; / WDT 250ms, ACLK, interval timer /IE1 |= WDTIE; BCSCTL1 &= XT2OFF; / XT2晶振 0-open do IFG1 &= OFIFG; / Clear OSCFault flag for (i = 0xFF; i 0; i-); / Time for flag to set while (IFG1 & OFIFG); / OSCFault flag still set? BCSCTL2 |= SELM_2; / MCLK=XT2 BCSCTL2 |= SELS; / SMCLK=XT2 /FCTL2 = FWKE

27、Y + FSSEL0 + FN0; / MCLK/2 for Flash Timing Generator _EINT(); /* /n=5datai=datai+14; for(n=1;n9;n+) switch(n) case 1: datai=datai+30;break; case 2: datai=datai+30;break; case 3: datai=datai+31;break; case 4: datai=datai+30;break; case 5: datai=datai+30;break; case 6: datai=datai+31;break; case 7: datai=datai+30;break; case 8: datai=datai+30;break; */