Cdaqmxstatus::getnewdatano, Cdaqmxstatus::getolddatano, Cdaqmxstatus::gettime – Yokogawa PC-Based MX100 User Manual
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IM MX190-01E
CDAQMXStatus::getNewDataNo
Syntax
MXDataNo getNewDataNo(int fifoNo);
Parameters
fifoNo
Specify the FIFO number.
Description
Gets the newest data number of the FIFO information corresponding to the specified
FIFO number from the status data field of the data member.
Returns the constant for “Data number for instantaneous value specification” if it
does not exist.
Return value
Returns the data number.
Reference
getMXFIFOInfo
CDAQMXStatus::getOldDataNo
Syntax
MXDataNo getOldDataNo(int fifoNo);
Parameters
fifoNo
Specify the FIFO number.
Description
Gets the oldest data number of the FIFO information corresponding to the specified
FIFO number from the status data field of the data member.
Returns the constant for “Data number for instantaneous value specification” if it
does not exist.
Return value
Returns the data number.
Reference
getMXFIFOInfo
CDAQMXStatus::getTime
Syntax
time_t getTime(void);
Description
Gets the number of seconds from the status data field of the data member.
Return value
Returns seconds.
2.5 Details of the MX100 Class