// Listener.cpp - Sample application for CSerial
#define STRICT
#include <tchar.h>
#include <windows.h>
#include <stdio.h>
#include <string.h>
#include "Serial.h"
enum { EOF_Char = 27 };
int ShowError (LONG lError, LPCTSTR lptszMessage)
{
// Generate a message text
TCHAR tszMessage[256];
wsprintf(tszMessage,_T("%s\n(error code %d)"), lptszMessage, lError);
// Display message-box and return with an error-code
::MessageBox(0,tszMessage,_T("Listener"), MB_ICONSTOP|MB_OK);
return 1;
}
int __cdecl _tmain (int /*argc*/, char** /*argv*/)
{
CSerial serial;
LONG lLastError = ERROR_SUCCESS;
// Attempt to open the serial port (COM1)
lLastError = serial.Open(_T("COM1"));
if (lLastError != ERROR_SUCCESS)
return ::ShowError(serial.GetLastError(), _T("Unable to open COM-port"));
// Setup the serial port (9600,8N1, which is the default setting)
lLastError = serial.Setup(CSerial::EBaud19200,CSerial::EData8,CSerial::EParNone,CSerial::EStop1);
if (lLastError != ERROR_SUCCESS)
return ::ShowError(serial.GetLastError(), _T("Unable to set COM-port setting"));
// Setup handshaking (default is no handshaking)
//99 lLastError = serial.SetupHandshaking(CSerial::EHandshakeHardware);
lLastError = serial.SetupHandshaking(CSerial::EHandshakeOff);
if (lLastError != ERROR_SUCCESS)
return ::ShowError(serial.GetLastError(), _T("Unable to set COM-port handshaking"));
// Register only for the receive event
lLastError = serial.SetMask(CSerial::EEventBreak |
CSerial::EEventCTS |
CSerial::EEventDSR |
CSerial::EEventError |
CSerial::EEventRing |
CSerial::EEventRLSD |
CSerial::EEventRecv);
if (lLastError != ERROR_SUCCESS)
return ::ShowError(serial.GetLastError(), _T("Unable to set COM-port event mask"));
// Use 'non-blocking' reads, because we don't know how many bytes
// will be received. This is normally the most convenient mode
// (and also the default mode for reading data).
lLastError = serial.SetupReadTimeouts(CSerial::EReadTimeoutNonblocking);
if (lLastError != ERROR_SUCCESS)
return ::ShowError(serial.GetLastError(), _T("Unable to set COM-port read timeout."));
serial.Write("at+cmgs=27\r\n");
// Keep reading data, until an EOF (CTRL-Z) has been received
bool fContinue = true;
do
{
// Wait for an event
lLastError = serial.WaitEvent();
if (lLastError != ERROR_SUCCESS)
return ::ShowError(serial.GetLastError(), _T("Unable to wait for a COM-port event."));
// Save event
const CSerial::EEvent eEvent = serial.GetEventType();
// Handle break event
if (eEvent & CSerial::EEventBreak)
{
printf("\n### BREAK received ###\n");
}
// Handle CTS event
if (eEvent & CSerial::EEventCTS)
{
printf("\n### Clear to send %s ###\n", serial.GetCTS()?"on":"off");
}
// Handle DSR event
if (eEvent & CSerial::EEventDSR)
{
printf("\n### Data set ready %s ###\n", serial.GetDSR()?"on":"off");
}
// Handle error event
if (eEvent & CSerial::EEventError)
{
printf("\n### ERROR: ");
switch (serial.GetError())
{
case CSerial::EErrorBreak: printf("Break condition"); break;
case CSerial::EErrorFrame: printf("Framing error"); break;
case CSerial::EErrorIOE: printf("IO device error"); break;
case CSerial::EErrorMode: printf("Unsupported mode"); break;
case CSerial::EErrorOverrun: printf("Buffer overrun"); break;
case CSerial::EErrorRxOver: printf("Input buffer overflow"); break;
case CSerial::EErrorParity: printf("Input parity error"); break;
case CSerial::EErrorTxFull: printf("Output buffer full"); break;
default: printf("Unknown"); break;
}
printf(" ###\n");
}
// Handle ring event
if (eEvent & CSerial::EEventRing)
{
printf("\n### RING ###\n");
}
// Handle RLSD/CD event
if (eEvent & CSerial::EEventRLSD)
{
printf("\n### RLSD/CD %s ###\n", serial.GetRLSD()?"on":"off");
}
// Handle data receive event
if (eEvent & CSerial::EEventRecv)
{
// Read data, until there is nothing left
DWORD dwBytesRead = 0;
char szBuffer[101];
do
{
// Read data from the COM-port
lLastError = serial.Read(szBuffer,sizeof(szBuffer)-1,&dwBytesRead);
if (lLastError != ERROR_SUCCESS)
return ::ShowError(serial.GetLastError(), _T("Unable to read from COM-port."));
if (dwBytesRead > 0)
{
// Finalize the data, so it is a valid string
szBuffer[dwBytesRead] = '\0';
// Display the data
printf("%s", szBuffer);
// Check if EOF has been specified
if (strchr(szBuffer,EOF_Char))
fContinue = false;
}
}
while (dwBytesRead == sizeof(szBuffer)-1);
}
}
while (fContinue);
// Close the port again
serial.Close();
return 0;
}