5.3. Error Codes
There are several error codes that may be returned when using the function
calls listed below. A description of each error code is as follows:
Code Description
0
No error found.
1
Failed to open the driver. To resolve this error, either
A. Restart the computer and try again.
B. Try using a different PCI slot.
C. Ensure that the 3.3 V/5 V jumper setting is correct.
D. Download the latest driver from our web/ftp site and try again.
2
Driver is not yet opened.
The PISODIO_DriverInit() function must be called before calling any other
DLL functions.
9
The specified board was not found.
Please refer to the description for error code 1.
10
The specified board number is incorrect.
The board number must be between 0 and Total Boards –1.
5.4. DLL Functions
All DLL functions and descriptions are listed in the following sections. In this
chapter, keywords are used to indicate the attributes of each parameter.
Keyword Description
[In]
The parameter must be initialized, or have a value set before calling this
function.
[Out]
The parameter will return a value or other data after this function is call.
Note:
All parameter spaces/buffers must be allocated and then freed by the
user application programs.
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