RFID 시리얼 통신 소스

RFID시리얼통신.zip

#include <windows.h>

#include "resource.h"

#define ID_EDIT 100

#define ID_EDIT2 101

#define ID_BUTTON 102

#define ID_BUTTON2 103

#define CRC_POLYNOM 0x8408

#define CRC_PRESET 0xFFFF

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);

void OpenSPort();

DWORD WINAPI Thread_Read(LPVOID NotUse);

unsigned short CRC16();

void ISO15693(void * vp);

HINSTANCE g_hInst;

LPCTSTR lpszClass=TEXT("Serial");

HWND hMain;

int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance

,LPSTR lpszCmdParam,int nCmdShow)

{

HWND hWnd;

MSG Message;

WNDCLASS WndClass;

g_hInst=hInstance;

WndClass.cbClsExtra=0;

WndClass.cbWndExtra=0;

WndClass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);

WndClass.hCursor=LoadCursor(NULL,IDC_ARROW);

WndClass.hIcon=LoadIcon(NULL,IDI_APPLICATION);

WndClass.hInstance=hInstance;

WndClass.lpfnWndProc=WndProc;

WndClass.lpszClassName=lpszClass;

WndClass.lpszMenuName=MAKEINTRESOURCE(IDR_MENU1);

WndClass.style=CS_HREDRAW | CS_VREDRAW;

RegisterClass(&WndClass);

hWnd=CreateWindow(lpszClass,lpszClass,WS_BORDER | WS_SYSMENU | WS_MINIMIZEBOX,

CW_USEDEFAULT,CW_USEDEFAULT,550,250,

NULL,(HMENU)NULL,hInstance,NULL);

ShowWindow(hWnd,nCmdShow);

while (GetMessage(&Message,NULL,0,0)) {

TranslateMessage(&Message);

DispatchMessage(&Message);

}

return (int)Message.wParam;

}

HANDLE hComm;

HANDLE hThread;

BOOL bPortOnOff;

BOOL bStart;

BOOL bEnd = TRUE;

BOOL bSwitch;

HWND hEdit;

HWND hEdit2;

LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam)

{

TCHAR caString[128] = TEXT("\0\0");

DWORD dwWritten;

HDC hdc;

PAINTSTRUCT ps;

static unsigned char ucPostComm[2][13] = {

// beep 음과

//{0x0D, 0x00, 0x71, 0x00, 0x0F, 0x00, 0x20, 0x00, 0x0A, 0x00, 0x00, 0xB2, 0x58},

{0x07, 0x00, 0xB0, 0x01, 0x00, 0x00, 0x00}

};

switch (iMessage)

{

case WM_CREATE:

hMain = hWnd;

hEdit = CreateWindow(TEXT("edit"), NULL, WS_CHILD | WS_VISIBLE

| WS_BORDER | ES_AUTOHSCROLL | ES_READONLY

, 50, 10, 400, 25, hWnd, (HMENU)ID_EDIT, g_hInst, NULL);

hEdit2 = CreateWindow(TEXT("edit"), NULL, WS_CHILD | WS_VISIBLE

| WS_BORDER | ES_AUTOHSCROLL | ES_READONLY

, 50, 45, 400, 25, hWnd, (HMENU)ID_EDIT2, g_hInst, NULL);

CreateWindow(TEXT("button"), TEXT("Clear"), WS_CHILD | WS_VISIBLE

| BS_PUSHBUTTON

, 460, 10, 60, 25, hWnd, (HMENU)ID_BUTTON, g_hInst, NULL);

CreateWindow(TEXT("button"), TEXT("Clear"), WS_CHILD | WS_VISIBLE

| BS_PUSHBUTTON

, 460, 45, 60, 25, hWnd, (HMENU)ID_BUTTON2, g_hInst, NULL);

return 0;

case WM_CHAR:

if(FALSE == bPortOnOff)

{

return 0;

}

if('1' != (TCHAR)wParam)

{

return 0;

}

*((unsigned short *)( ucPostComm[(TCHAR)wParam-'1'] + ucPostComm[(TCHAR)wParam-'1'][0] - 2 )) = CRC16(ucPostComm[(TCHAR)wParam-'1']);

SetDlgItemText(hWnd, ID_EDIT, NULL);

bStart = TRUE;

if(0 == WriteFile(hComm, ucPostComm[(TCHAR)wParam-'1'], ucPostComm[(TCHAR)wParam-'1'][0], &dwWritten, 0))

{

MessageBox(hMain, TEXT("쓰기 에러\n"), TEXT("알림"), MB_OK);

}

else

{

SendMessage(hEdit2, EM_REPLACESEL, (WPARAM)FALSE, (LPARAM)&caString[0]);

}

return 0;

case WM_COMMAND:

switch(LOWORD(wParam))

{

case ID_OPEN:

OpenSPort();

break;

case ID_CLOSE:

if(TRUE == bPortOnOff)

{

CloseHandle(hComm);

CloseHandle(hThread);

bPortOnOff = FALSE;

}

break;

case ID_BUTTON:

SetDlgItemText(hWnd, ID_EDIT, NULL);

SetFocus(hWnd);

break;

case ID_BUTTON2:

SetDlgItemText(hWnd, ID_EDIT2, NULL);

SetFocus(hWnd);

break;

}

return 0;

case WM_PAINT:

hdc = BeginPaint(hWnd, &ps);

TextOut(hdc, 10, 13, TEXT("수신"), lstrlen(TEXT("수신")));

TextOut(hdc, 10, 48, TEXT("송신"), lstrlen(TEXT("송신")));

EndPaint(hWnd, &ps);

return 0;

case WM_LBUTTONDOWN:

SetFocus(hWnd);

return 0;

case WM_DESTROY:

CloseHandle(hComm);

CloseHandle(hThread);

PostQuitMessage(0);

return 0;

}

return(DefWindowProc(hWnd,iMessage,wParam,lParam));

}

void OpenSPort()

{

static DCB sPState;

static COMMTIMEOUTS cTime;

DWORD ThreadID;

if(TRUE == bPortOnOff)

{

CloseHandle(hComm);

CloseHandle(hThread);

// return 0;

bPortOnOff = FALSE;

}

hComm = CreateFile(TEXT("COM2"), GENERIC_READ | GENERIC_WRITE

, 0, NULL, OPEN_EXISTING

, FILE_ATTRIBUTE_NORMAL, 0);

if(INVALID_HANDLE_VALUE == hComm)

{

MessageBox(hMain, TEXT("포트 열 수 없음"), TEXT("알림"), MB_OK);

return ;

}

if(0 == SetupComm(hComm, 4096, 3096))

{

MessageBox(hMain, TEXT("버퍼 설정 에러"), TEXT("알림"), MB_OK);

CloseHandle(hComm);

return ;

}

if(0 == PurgeComm(hComm, PURGE_TXABORT | PURGE_TXCLEAR))

{

MessageBox(hMain, TEXT("버퍼 초기화 에러"), TEXT("알림"), MB_OK);

CloseHandle(hComm);

return ;

}

sPState.DCBlength = sizeof(sPState);

if(0 == GetCommState(hComm, &sPState))

{

MessageBox(hMain, TEXT("시리얼 상태 읽기 에러"), TEXT("알림"), MB_OK);

CloseHandle(hComm);

return ;

}

sPState.BaudRate = CBR_38400;

sPState.ByteSize = 8;

sPState.Parity = EVENPARITY;

sPState.StopBits = ONESTOPBIT;

cTime.ReadIntervalTimeout = MAXDWORD; // 시간 설정, 블록킹 됐을시 기다리는 시간

cTime.ReadTotalTimeoutMultiplier = 0; // 0은 무한 대기

cTime.ReadTotalTimeoutConstant = 0;

cTime.WriteTotalTimeoutMultiplier = 0; // 0은 무한 대기

cTime.WriteTotalTimeoutConstant = 0;

SetCommTimeouts(hComm, &cTime);

if(0 == SetCommState(hComm, &sPState))

{

MessageBox(hMain, TEXT("시리얼 상태 설정 에러"), TEXT("알림"), MB_OK);

CloseHandle(hComm);

return ;

}

hThread = CreateThread(NULL, 0, Thread_Read, NULL, 0, &ThreadID);

bPortOnOff = TRUE; // 포트 열기가 완료되었으므로 TRUE

}

DWORD WINAPI Thread_Read(LPVOID NotUse)

{

unsigned char tt;

unsigned int tt2;

unsigned int iCnt = 0;

TCHAR buff[100] = TEXT("0x00       ");

unsigned char ucaMsg[255] = {255,};

DWORD dwRead;

while(1)

{

Sleep(50);

ReadFile(hComm, &tt, 1, &dwRead, NULL);

if(TRUE == bStart)

{

bStart = FALSE;

bEnd = FALSE;

iCnt = 1;

}

if(FALSE == bEnd)

{

ucaMsg[iCnt-1] = tt;

if(ucaMsg[0] == iCnt)

{

ISO15693(ucaMsg);

bEnd = TRUE;

}

}

wsprintf(buff, TEXT("0x%02X "), tt);

if(0 != dwRead)

{

++iCnt;

SendMessage(hEdit, EM_REPLACESEL, (WPARAM)FALSE, (LPARAM)buff);

}

}

return 0;

}

unsigned short CRC16(void * DATA)

{

unsigned short crc = CRC_PRESET;

int i;

int j;

for (i = 0; i < ((unsigned char *)DATA)[0]-2; i++) /* cnt = number of protocol bytes without CRC */

{

crc ^= ((unsigned char *)DATA)[i];

for (j = 0; j < 8; j++)

{

if (crc & 0x0001)

{

crc = (crc >> 1) ^ CRC_POLYNOM;

}

else

{

crc = (crc >> 1);

}

}

}

return crc;

}

void ISO15693(void * vp)

{

TCHAR buff[1024];

HDC hdc;

hdc = GetDC(hMain);

wsprintf(buff, TEXT("수신된 데이터 크기: [%d]"), ((unsigned char *)vp)[0]);

TextOut(hdc, 10, 100, buff, lstrlen(buff));

wsprintf(buff, TEXT("Com Address: [%d]"), ((unsigned char *)vp)[1]);

TextOut(hdc, 10, 123, buff, lstrlen(buff));

wsprintf(buff, TEXT("Com Address: [%d]"), ((unsigned char *)vp)[1]);

TextOut(hdc, 10, 123, buff, lstrlen(buff));

ReleaseDC(hMain, hdc);

}