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4.36 - ReadMem [U12 Datasheet]

Reads 4 bytes from a specified address in the LabJack’s nonvolatile memory.

Execution time for this function is 20 milliseconds or less (typically 16 milliseconds in Windows).

Declaration:

long ReadMem ( long *idnum,
long address,
long *data3,
long *data2,
long *data1,
long *data0 )

Parameter Description:
Returns: LabJack errorcodes or 0 for no error.
Inputs:

  • *idnum – Local ID, serial number, or -1 for first found.
  • address – Starting address of data to read (0-8188).

Outputs:

  • *idnum – Returns the local ID or –1 if no LabJack is found.
  • *data3 – Byte at address.
  • *data2 – Byte at address+1.
  • *data1 – Byte at address+2.
  • *data0 – Byte at address+3.
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