[ATmega128] PC내에서 통신하기.(단방향)

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>>> Eltima Software Virtual Serial Port Driver 6.0.1.115

송신용

/* 단방향 통신 main.cpp*/

#include <stdio.h>

#include <windows.h>

#include <iostream>

using namespace std;

int main(void)

{

//int a;

char szPort[15]; //문자배열 생성.

wsprintf(szPort, "COM%d" , 2); //포트 설정하는 부분

HANDLE m_hcomm = NULL;

m_hcomm = CreateFile(szPort,

GENERIC_READ | GENERIC_WRITE,

0, NULL, OPEN_EXISTING,

FILE_ATTRIBUTE_NORMAL , NULL);

if(m_hcomm == INVALID_HANDLE_VALUE)

{

printf("(!) Failed to create a Comm Device file");

return FALSE;

}

DCB dcb;

dcb.DCBlength = sizeof(DCB);

GetCommState(m_hcomm, &dcb);

dcb.BaudRate = 9600; //통신 설정.

dcb.ByteSize = 8; //통신 설정.

dcb.Parity = 0; //통신 설정.

dcb.StopBits = 0; //통신 설정.

SetCommState(m_hcomm, &dcb);

OVERLAPPED osWrite;

osWrite.Offset =0;

osWrite.OffsetHigh = 0;

osWrite.hEvent = CreateEvent(NULL, TRUE , FALSE, NULL);

OVERLAPPED osRead;

osRead.Offset = 0;

osRead.OffsetHigh =0;

osRead.hEvent = CreateEvent(NULL ,TRUE ,FALSE ,NULL);

//int b;

int check;

char buf[100] = "\r\n"; //출력할 내용

while(check != -1)

{

cin >> buf;

WriteFile(m_hcomm, buf, strlen(buf), NULL, &osWrite);

printf("send1:%s\n" , buf); //buf 받아서 출력

Sleep(1000);

/*ReadFile(m_hcomm, buf, 100, NULL, &osRead);

printf("recv1:%s\n" , buf); //buf 받아서 출력

Sleep(1000);*/

check = atoi(buf);

}

CloseHandle(m_hcomm);

return 0;

}

수신용