W5K_DO_Writes
This function code is used to write the output statuses of contiguous D/O channels.
C/C++
int W5K_DO_Writes( int hConnection,
BYTE bytStartChannel,
BYTE bytCount,
DWORD dwValue);
Visual Basic
Declare Function W5K_DO_Writes Lib "MXIO.dll" (ByVal hConnection As Long,
ByVal bytStartChannel As Byte, ByVal bytCount As Byte, ByVal nValue As Long) As Long
Arguments:
hConnection |
The handle for an I/O device connection. |
bytStartChannel |
Specifies the starting channel. |
bytCount |
The number of channels to be written. |
dwValue |
Stores the channel statuses of contiguous D/O channels; each bit holds one channel status. A bit value of 0 represents the digital output status of the start channel. A bit value of 1 represents the second digital output channel's status. The values of the unused bits are random. |
Return Value:
Succeed |
MXIO_OK |
Fail |
Refer to Return Codes. |