c語(yǔ)言串口通信范例

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1、一個(gè)c語(yǔ)言的串口通信程序范例標(biāo)簽：c語(yǔ)言串口通信通信程序it分類：技術(shù)筆記最近接觸一個(gè)項(xiàng)目，用HL-C1C激光位移傳感器+易控組態(tài)軟件完成生產(chǎn)線高度跳變檢測(cè)，好久沒有接觸cc#，一些資料，找來做個(gè)記錄，也許大家用的著#include#include#include#include#defineCOM232?0x2f8#defineCOMINT?0x0b#defineMaxBufLen?????500#definePort8259??????0x20#defineEofInt???????0x20staticint

2、?comportaddr;staticcharintvectnum;staticunsignedcharmaskb;staticunsignedcharBuffer[MaxBufLen];staticint?CharsInBuf,CircIn,CircOut;staticvoid(interruptfar*OldAsyncInt)();staticvoidinterruptfarAsyncInt(void);voidInit_COM(intComPortAddr,unsignedcharIntVectNum,intBaud,??????unsignedcharData,unsign

3、edcharStop,unsignedcharParity){?unsignedcharHigh,Low;?intf;?comportaddr=ComPortAddr;?intvectnum=IntVectNum;?CharsInBuf=0;CircIn=0;CircOut=0;??f=(Baud/100);?f=1152/f;High=f/256;?Low=f-High*256;?outp(ComPortAddr+3,0x80);?outp(ComPortAddr,Low);?outp(ComPortAddr+1,High);??Data=(Data-5)

4、((Stop-1)*4

5、);?if(Parity==2)Data=Data

6、0x18;?elseif(Parity==1)Data=Data

7、0x8;?outp(ComPortAddr+3,Data);??outp(ComPortAddr+4,0x0a);??outp(ComPortAddr+1,0x01);??disable();?OldAsyncInt=getvect(IntVectNum);?setvect(IntVectNum,AsyncInt);?enable();??maskb=inp(Port8259+1);?if(IntVectNum==0x0c)outp(Port8259+1,maskb

8、&0xef);?elseoutp(Port8259+1,maskb&0xf7);??????????????}staticvoidinterruptfarAsyncInt(void){?disable();?if(CharsInBuf

9、estore(void){?setvect(intvectnum,OldAsyncInt);?outp(Port8259+1,maskb);?}intGetCharInBuf(unsignedchar*Char){?intFlag;?Flag=-1;?if(CharsInBuf>0)?{??(*Char)=Buffer[CircOut];??if(CircOut

10、((inp(comportaddr+5)&0x20)==0)return-1;?outp(comportaddr,Char);?return0;}main(){?inti,c;?unsignedcharInChar;?Init_COM(COM232,COMINT,1200,8,1,0);?while(1)?{??if(kbhit())????{if((InChar=getch())==27)break;?????elsewhile(SendChar(InChar));