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bluetooh hc 05 msp430
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29/8/2015
PrintedcodeversionproducedbyWordPressWPSynHighlightplugin
http://www.mcuturkey.com/androiduzerindebluetoothilekablosuzkontroluygulamasi/#comment13712
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/*****************************************************************sim:BluetoothDemodenemeuygulamas
**Yazar:ErhanYILMAZ**Eposta:[email protected]**Tarih:08072012
**Srm:1.0*****************************************************************/#include#include"stdbool.h"#defineLED10x01#defineLED20x40#defineBUTON0x08#defineTXD0x02//TXDpiniP1.1#defineRXD0x04//RXDpiniP1.2#defineBit_time104//9600Baud,SMCLK=1MHz(1MHz/9600)=104#defineBit_time_552//yarmbitzamanunsignedcharBitCnt;//Bitsayadeikeniunsignedintalinan;//Alnankarakterunsignedintgonderilen;//GnderilenkarakterunsignedcharCharCnt;//KaraktersayaunsignedintRXByte;//verialmdeikeniunsignedintTXByte;//verignderimdeikeniboolisReceiving;//verialmadurumbitiboolhasReceived;//verialnddurumbitivoidTransmit(void);longham,derece;//gecikmefonksiyonuvoiddelay(unsignedlongintd){d*=100;for(;d>0;d);}voidmain(void){WDTCTL=WDTPW+WDTHOLD;//Watchdogtimeridurdur
BCSCTL1=CALBC1_1MHZ;//1mhzdahiliosilatr
DCOCTL=CALDCO_1MHZ;//SMCLK=DCO=1MHz//ADeviriciscaklklmekiinayarlanr.ADC10CTL1=INCH_10+ADC10DIV_3;ADC10CTL0=SREF_1+ADC10SHT_3+REFON+ADC10ON;
P1SEL|=TXD;//gndermepiniayarlar P1IES|=RXD;//Almapiniayarlar
P1IFG&=~RXD;//ClearRXD(flag)beforeenablinginterrupt
P1IE|=RXD;//EnableRXDinterruptP1DIR=0; //Port1tamamgiri
P1DIR|=TXD+LED1+LED2;//Gereklipinlerkolarakayarlanr.
isReceiving=false;//Setinitialvalues
hasReceived=false;gonderilen=0;P1OUT=0; //Port1ktemizle.
__bis_SR_register(GIE);//interruptsenabled//Anadngwhile(1){
delay(100);
//LED1'indurumunagregnderilenverinin1.bitidzenlenir.if(P1OUT&LED1)
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29/8/2015
PrintedcodeversionproducedbyWordPressWPSynHighlightplugin
http://www.mcuturkey.com/androiduzerindebluetoothilekablosuzkontroluygulamasi/#comment13712
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gonderilen|=0x01;elsegonderilen&=~0x01;//LED2'nindurumunagregnderilenverinin2.bitidzenlenir.if(P1OUT&LED2)gonderilen|=0x02;elsegonderilen&=~0x02;//Butonundurumunagregnderilenverinin3.bitidzenlenir.if(!(P1IN&BUTON))gonderilen|=0x04;elsegonderilen&=~0x04;
//Gnderilenverinin8.bitisetedilerekbutonveLEddurumbilgilerignderilir.TXByte=(gonderilen|0x80);Transmit();ADC10CTL0|=ENC+ADC10SC;//ADevrimibalatif(ADC10CTL0&ADC10IFG)
//ADevrimbittimi?{ADC10CTL0&=!ADC10IFG;
//evrimbayarntemizleham=ADC10MEM;
//scaklokuderece=((ham673)*423)/1024; //Scakldereceyeevir.
//Gnderilenverinin8.bitisfrlanarakscaklkbilgisignderilir.TXByte=(int)derece&0x7f;Transmit();}//Alnanverideerlendirilir.if(hasReceived){alinan=RXByte;hasReceived=false;//Gelenverinin1.bitinegreLED1durumudzenlenir.if(alinan&0x01)P1OUT|=LED1;elseP1OUT&=~LED1;
//Gelenverinin2.bitinegreLED2durumudzenlenir.if(alinan&0x02)P1OUT|=LED2;elseP1OUT&=~LED2;}}}//BufonksiyonTXBytedegikenindekiveriyiTXDpinindengnderir.voidTransmit(void){
while(isReceiving);//WaitforRXcompletion
TXByte|=0x100;//AddstopbittoTXByte(whichislogical1)
TXByte=TXByte
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29/8/2015
PrintedcodeversionproducedbyWordPressWPSynHighlightplugin
http://www.mcuturkey.com/androiduzerindebluetoothilekablosuzkontroluygulamasi/#comment13712
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{ isReceiving=true; P1IE&=~RXD;//DisableRXDinterrupt
P1IFG&=~RXD;//ClearRXDIFG(interruptflag)
TACTL=TASSEL_2+MC_2;//SMCLK,continuousmode
CCR0=TAR;//Initializecompareregister
CCR0+=Bit_time_5;//Settimetillfirstbit
CCTL0=OUTMOD1+CCIE;//DissableTXandenableinterrupts
RXByte=0;//InitializeRXByte
BitCnt=0x9;//LoadBitcounter,8bits+ST}//Timerinterruptroutine.Thishandlestransmitingandreceivingbytes.#pragmavector=TIMERA0_VECTOR__interruptvoidTimer_A(void){if(!isReceiving){
CCR0+=Bit_time;//AddOffsettoCCR0if(BitCnt==0)//IfallbitsTXed{
TACTL=TASSEL_2;//SMCLK,timeroff(forpowerconsumption)
CCTL0&=~CCIE;//Disableinterrupt} else{
CCTL0|=OUTMOD2;//SetTXbitto0if(TXByte&0x01)
CCTL0&=~OUTMOD2;//Ifitshouldbe1,setitto1
TXByte=TXByte>>1; BitCnt;}} else{
CCR0+=Bit_time;//AddOffsettoCCR0if(BitCnt==0){
TACTL=TASSEL_2;//SMCLK,timeroff(forpowerconsumption)
CCTL0&=~CCIE;//Disableinterrupt isReceiving=false;
P1IFG&=~RXD;//clearRXDIFG(interruptflag)
P1IE|=RXD;//enabledRXDinterruptif((RXByte&0x201)==0x200)//Validatethestartandstopbitsarecorrect{
RXByte=RXByte>>1;//Removestartbit
RXByte&=0xFF;//Removestopbit
hasReceived=true;}__bic_SR_register_on_exit(CPUOFF);//EnableCPUsothemainwhileloopcontinues}else{
if((P1IN&RXD)==RXD)//Ifbitisset?
RXByte|=0x400;//SetthevalueintheRXByte
RXByte=RXByte>>1;//Shiftthebitsdown BitCnt; }}}
