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[in] VME offset to read from, as specified in Section 3.4
Data
[out] Data read from the specified register
Return Values
On success, the function returns the number of bytes read from the VM-USB
Function returns a negative number on a failure
7.3 VME_DGG
The VME_DGG function allows the user to setup the characteristics of the Delay and
Generator channels of the VM_USB.
short VME_DGG{
HANDLE hDevice,
USHORT channel,
USHORT trigger,
USHORT output,
LONG delay,
USHORT gate,
USHORT invert,
USHORT latch
};
Parameters
hDevice
[in] Handle to the XX-USB device.
channel
[in] The DGG channel you wish to modify. Valid values are:
0 – For DGG channel A
1 – For DGG channel B
trigger
[in] Determines the start of the DGG. Valid Values are:
0 – Channel Disabled
1 – NIM input 1
2 – NIM input 2
3 – Event Trigger
4 - End of Event
5 - USB Trigger
6 - Pulser
output
[in] Determines the NIM ouput used for the DGG channel. Valid values are:
0 – NIM O1
1 – NIM O2
delay
[in] 32 bit word in steps of 12.5ns between trigger and start of gate consisting of
lower 16 bits: Delay_fine
WIENER, Plein & Baus GmbH
47
www.wiener-d.com
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