Ejemplo n.º 1
0
static ULONG
set_file_pointer (Tchannel channel, ULONG type, LONG distance)
{
  ULONG fp;
  if ((CHANNEL_TYPE (channel)) != channel_type_file)
    OS2_error_system_call (ERROR_INVALID_HANDLE, syscall_dos_set_file_ptr);
  STD_API_CALL
    (dos_set_file_ptr, ((CHANNEL_HANDLE (channel)), distance, type, (&fp)));
  return (fp);
}
Ejemplo n.º 2
0
off_t
OS_file_length (Tchannel channel)
{
  FILESTATUS3 buffer;
  if ((CHANNEL_TYPE (channel)) != channel_type_file)
    OS2_error_system_call (ERROR_INVALID_HANDLE, syscall_dos_query_file_info);
  STD_API_CALL
    (dos_query_file_info,
     ((CHANNEL_HANDLE (channel)), FIL_STANDARD,
      (&buffer), (sizeof (buffer))));
  return (buffer.cbFile);
}
Ejemplo n.º 3
0
DevChannelMath::DevChannelMath(quint32 chanCoder, QObject *parent) :
    Channel(chanCoder, parent)
{
    MODBUS_REGISTER_MAP *pModbusRegMap;
    quint16 chanType, uninNum, moduleIndex, number;

    chanType = CHANNEL_TYPE(m_chanCoder);           //通道类型
    uninNum = CHANNEL_UNIT(m_chanCoder);           //单元号
    moduleIndex = CHANNEL_MODULE(m_chanCoder);  //卡槽号
    number = CHANNEL_NUM(m_chanCoder) - 1;              //通道号

    Q_ASSERT(chanType==Channel_Type_Math && uninNum==0 && moduleIndex==0 && number<MAIN_UNIT_MATH_CHAN_NUM_PRE);

    pModbusRegMap = const_cast<MODBUS_REGISTER_MAP*>(static_cast<MODBUS_REGISTER_MAP const *>(DevShareMem.constData()));
    m_pData = (float *)&pModbusRegMap->inputReg_MainUnit_Math_Data_Float32[number<<1];
    m_pStatus = &pModbusRegMap->inputReg_MainUnit_Math_Status_Int16[number];
    m_pConfig = &DevConfigPtr->chanMath[number];

    p_calculateData = (float *)&g_originDataMap.inputReg_MainUnit_Math_Data_Float32[number<<1];
    p_chanStatus = &g_originDataMap.inputReg_MainUnit_Math_Status_Int16[number];

    //表达式初始化
    if (m_pConfig->expressConfig.expSwtich) {
        QByteArray expArray((const char *)m_pConfig->expressConfig.expExpression);
        if (expArray.isEmpty()) {
            p_expAnalysis = NULL;
        } else {
            p_expAnalysis = new MathExpAnalysis(number+1, expArray);
            if (p_expAnalysis) {
                if (!p_expAnalysis->isExpValid()) {
                    delete p_expAnalysis;
                    p_expAnalysis = NULL;
                }
            } else {
                qDebug("Error: Mem alloc Failed[%s]\n", __func__);
            }
        }
    } else {
        p_expAnalysis = NULL;
    }

    m_sampleCount = 0;
    m_math_DelayUpper = 0;
    m_math_DelayDowner = 0;
}
Ejemplo n.º 4
0
static Tchannel
open_file_noerror (const char * filename, ULONG attr, ULONG flags,
		   unsigned int mode)
{
  HFILE handle;
  ULONG action;
  if ((dos_open (((char *) filename), (&handle), (&action), 0, attr, flags,
		 (OS2_OPEN_MODE (mode)), 0))
      != NO_ERROR)
    return (NO_CHANNEL);
  {
    Tchannel channel = (OS2_make_channel (handle, mode));
    if ((CHANNEL_TYPE (channel)) == channel_type_file)
      return (channel);
    OS_channel_close_noerror (channel);
    return (NO_CHANNEL);
  }
}