bool Uart::readData()
{
unsigned long cmpt_read = 0;
char buf[4096] = {0};
if ( !isDeviceOpen() )
return false;
#ifdef WIN32
if (!ReadFile( _device, buf, 4096, &cmpt_read, NULL))
{
int LastError = GetLastError() ;
cerr<<"Error read file : "<<LastError<<endl;
return false;
}
#endif
#ifdef unix
cmpt_read = read (*(int*)_device, buf, 4096);
#endif
if ( cmpt_read > 0) {
if ( buf[cmpt_read-1] =='\n' && buf[cmpt_read-2] =='\n' ) {
buf[cmpt_read-1] ='\0';
_bufferedData.append( buf );
return true;
}
else {
_bufferedData.append( buf );
}
}
else {
return false;
}
}
// Helper function, perform a sanity check on the device
MythMediaError MythCDROMFreeBSD::testMedia()
{
bool OpenedHere = false;
if (!isDeviceOpen())
{
if (!openDevice())
{
if (errno == EBUSY)
{
return isMounted() ? MEDIAERR_OK : MEDIAERR_FAILED;
}
else
{
return MEDIAERR_FAILED;
}
}
OpenedHere = true;
}
// Be nice and close the device if we opened it, otherwise it might be locked when the user doesn't want it to be.
if (OpenedHere)
closeDevice();
return MEDIAERR_OK;
}
// Helper function, perform a sanity check on the device
MediaError MythCDROMFreeBSD::testMedia()
{
//cout << "MythCDROMLinux::testMedia - ";
bool OpenedHere = false;
if (!isDeviceOpen())
{
//cout << "Device is not open - ";
if (!openDevice())
{
//cout << "failed to open device - ";
if (errno == EBUSY)
{
//cout << "errno == EBUSY" << endl;
return isMounted(true) ? MEDIAERR_OK : MEDIAERR_FAILED;
}
else
{
return MEDIAERR_FAILED;
}
}
//cout << "Opened it - ";
OpenedHere = true;
}
// Be nice and close the device if we opened it, otherwise it might be locked when the user doesn't want it to be.
if (OpenedHere)
closeDevice();
return MEDIAERR_OK;
}
MythMediaError MythCDROMFreeBSD::eject(bool open_close)
{
if (!isDeviceOpen())
openDevice();
if (open_close)
return (ioctl(m_DeviceHandle, CDIOCEJECT) == 0) ? MEDIAERR_OK :
MEDIAERR_FAILED;
else
return MEDIAERR_UNSUPPORTED;
}
void Uart::closeDevice()
{
if ( isDeviceOpen() ) {
#ifdef WIN32
CloseHandle( (HANDLE)_device );
#endif
#ifdef unix
close( *(int*)_device );
#endif
}
}
MediaError MythCDROMFreeBSD::unlock()
{
if (isDeviceOpen() || openDevice())
{
//cout << "Unlocking CDROM door" << endl;
ioctl(m_DeviceHandle, CDIOCALLOW);
}
else
{
VERBOSE(VB_GENERAL, "Failed to open device, CDROM try will remain "
"locked.");
}
return MythMediaDevice::unlock();
}
void Uart::send(string data)
{
string datas = data;
datas+="\n";
if ( isDeviceOpen() ) {
#ifdef WIN32
unsigned long cmpt_read;
if (!WriteFile( _device, datas.c_str(), datas.size(), &cmpt_read, NULL)) {
}
#endif
#ifdef unix
write ( *((int*)(_device)) , datas.c_str(), datas.size());
#endif
}
}
MythMediaError MythCDROMFreeBSD::unlock()
{
if (isDeviceOpen() || openDevice())
{
#if 0
LOG(VB_GENERAL, LOG_DEBUG, "Unlocking CDROM door");
#endif
ioctl(m_DeviceHandle, CDIOCALLOW);
}
else
{
LOG(VB_GENERAL, LOG_INFO, "Failed to open device, CDROM tray will "
"remain locked.");
}
return MythMediaDevice::unlock();
}
