Measurement Computing ADLIB WIN - Manual (Page 82)

Chapter 21 Clocking Modes 20-6
20.6 AL_SetClockOutput
Prototype C\C++
ERRNUM AL_SetClockOutput(LHLD lhld, LPSTR lpstrMode);
Visual Basic for Windows
Function AL_SetClockOutput(ByVal lhld As Long,
ByVal lpstrMode As String) As Long
LHLD lhld handle of the LDSD
LPSTR lpstrMode address of the ClockOutput mode string
The AL_SetClockOutput function sets the hardware ClockOutput operation mode of the LDSD.
For the Pci55xx Series the signal ADCLKOUT is available to output it’s clocking source. Each time the
ADC is clocked from any of the available clocking sources the ADCLKOUT signal pulses high for a
period of 1 microsecond. This output can be used to synchronize the clocking of multiple A/D converters
on different PCI cards.
Parameter
Description
lhld Identifies the instance of the logical device subsystem.
lpstrMode
Points to the desired ClockOutput string. The available string settings are device
independent and are verified by ADLIB against the available clock output
mode
options specified in the device's capabilities file.
Returns:
On success ERRNUM is set to 1, otherwise ERRNUM contains the last error code that occurred during the
call.
Related Functions:
AL_GetClockOutput
Supported Logical Device Subsystems:
Pci55xx Series: ADC0, Options:
ENABLED, DISABLED