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NT DLL Programming
DIO In
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Systax
U16 _stdcall W_HSL_DIO_In (U16 card_ID, U16 set_ID, U16 slave_No,
U32* in_data);
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Description
This function is to read the digital input value of the slave I/O module. The
module‘s address is slave_No and set value is set_ID.
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Parameter
card_ID
The card id of the card that want to perform this
operation.
set_ID
In PCI-7851, because it contain only one connector so
the valid value is 0, for PCI-7852, the valid value is 0 or 1.
slave_No
Specify the slave I/O module with slave_No address
which want to perform this function.
The valid value is
between 1 ~ 63.
in_data
the digital input data of this slave I/O module. In this
value. Channel 0 data is assign to bit 0, channel 1 data is
assign to bit 1… .etc.
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Return Number
ERR_NoError, ERR_InvalidBoardNumber, ERR_SatelliteType
ERR_ConnectIndex, ERR_SatelliteNumber
ERR_NotADLinkSlaveType
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Example
result = W_HSL_DIO_In (cardNo, 0, 1, &in_data);
