VersaLogic VL-MPEe-U2, Справочное руководство

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Application Programming Interface (API)
VSL_GetVersion()
Gets the version number of the VersaAPI library
Syntax: VL_OSALIB_API void VSL_GetVersion(unsigned char *Major, unsigned char
*Minor, unsigned char *Revision);
Inputs: unsigned char *Major
A pointer to the unsigned character to receive the Version Major number.
unsigned char *Minor
A pointer to the unsigned character to receive the Version Minor number.
unsigned char *Revision
A pointer to the unsigned character to receive the Version Revision number.
Outputs: none
While this function is void, the Major, Minor, and Revision versions are returned
in their respective input fields.
Digital I/O (DIO) Calls
API calls can be made to control or interrogate specific DIO channels. The following table lists
the channel, level, and direction parameter definitions used in DIO calls.
Table 8: DIO API Parameter Definitions
Parameters Value
Channel DIO_U2_CHANNEL_1 0xA0
DIO_U2_CHANNEL_2 0xA1
DIO_U2_CHANNEL_3 0xA2
DIO_U2_CHANNEL_4 0xA3
DIO_U2_CHANNEL_5 0xA4
DIO_U2_CHANNEL_6 0xA5
DIO_U2_CHANNEL_7 0xA6
DIO_U2_CHANNEL_8 0xA7
DIO_U2_CHANNEL_9 0xA8
DIO_U2_CHANNEL_10 0xA9
DIO_U2_CHANNEL_11 0xAA
DIO_U2_CHANNEL_12 0xAB
Level* DIO_CHANNEL_LOW 0x00
DIO_CHANNEL_HIGH 0x01
Direction DIO_INPUT 0x01
DIO_OUTPUT 0x00
*Level values are also the return results for
VSL_DIOGetChannelLevel.