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1. #VISUAL STUDIO SERIAL PORT EXAMPLE SERIAL#
2. #VISUAL STUDIO SERIAL PORT EXAMPLE CODE#
3. #VISUAL STUDIO SERIAL PORT EXAMPLE WINDOWS#

I have tried changing my datatypes as what is returned is question marks when I use char and just 6363(all the time) when I use intĦ3 is a question mark: see the ASCII table.

#VISUAL STUDIO SERIAL PORT EXAMPLE SERIAL#

* -Printing the RXed String to Console-*/įor (j = 0 j < i - 1 j++) // j < i-1 to remove the dupliated last characterĬloseHandle(hComm) //Closing the Serial Port If (!ReadFile(hComm, SerialBuffer, BUFFERLENGTH, &NoBytesRead, NULL)) Read_Status = ReadFile(hComm, &TempChar, sizeof(TempChar), &NoBytesRead, NULL) Printf( " \n Error! in Setting WaitCommEvent()") Įlse //If WaitCommEvent()=True Read the RXed data using ReadFile() * - Program will Wait here till a Character is received -*/ if (Read_Status = FALSE) Read_Status = WaitCommEvent(hComm, &dwEventMask, NULL) //Wait for the character to be received Printf( " \n\n Waiting for Data Reception") Printf( " \n\n Setting CommMask successfull") Printf( " \n\n Error! in Setting CommMask")

#VISUAL STUDIO SERIAL PORT EXAMPLE WINDOWS#

Read_Status = SetCommMask(hComm, EV_RXCHAR) //Configure Windows to Monitor the serial device for Character Reception Printf( " \n\n Error %d in Writing to Serial Port", GetLastError()) Printf( " \n\n %s - Written to %s", lp, pcCommPort) Printf( " Error writing text to %s\n", pcCommPort)

If (!WriteFile(hComm, lp, dNoOFBytestoWrite, * - Writing a Character to Serial Port-*/ char lp = " RDGFIELD? \r\n" // lpBuffer should be char or byte array, otherwise write wil failĭWORD dNoOFBytestoWrite // No of bytes to write into the portĭWORD dNoOfBytesWritten = 0 // No of bytes written to the portĭNoOFBytestoWrite = sizeof(lp) // Calculating the no of bytes to write into the port If (SetCommTimeouts(hComm, &timeouts) = 0) Timeouts.WriteTotalTimeoutMultiplier = 10

Timeouts.ReadTotalTimeoutMultiplier = 10 Printf( " \n Parity = %d", dcbSerialParams.Parity) Printf( " \n StopBits = %d", dcbSerialParams.StopBits) Printf( " \n ByteSize = %d", dcbSerialParams.ByteSize) Printf( " \n Baudrate = %d", dcbSerialParams.BaudRate) Printf( " \n Setting DCB Structure Successful\n") Printf( " \n Error! in Setting DCB Structure") Write_Status = SetCommState(hComm, &dcbSerialParams) //Configuring the port according to settings in DCB Write_Status = GetCommState(hComm, &dcbSerialParams) //retreives the current settingsĭcbSerialParams.BaudRate = CBR_57600 // Setting BaudRate = 9600ĭcbSerialParams.ByteSize = 8 // Setting ByteSize = 8ĭcbSerialParams.StopBits = ONESTOPBIT // Setting StopBits = 1ĭcbSerialParams.Parity = ODDPARITY // Setting Parity = None Printf( " opening serial port successful") ĭcbSerialParams.DCBlength = sizeof(dcbSerialParams) If (GetLastError() = ERROR_FILE_NOT_FOUND)

NULL // hTemplate must be NULL for comm devices Printf( " \n +=+\n") Ġ, // must be opened with exclusive-access Printf( " \n | Serial Transmission (Win32 API) |")

#VISUAL STUDIO SERIAL PORT EXAMPLE CODE#

Copy Code #include #include #include #define BUFFERLENGTH 256ĭCB dcbSerialParams // Initializing DCB structureīOOL Read_Status // Status of the various operationsĭWORD dwEventMask // Event mask to triggerĬhar TempChar = " " // Temperory CharacterĬhar *SerialBuffer // Buffer Containing Rxed DataĭWORD NoBytesRead // Bytes read by ReadFile()