Addi-Data ADDINUM APCI-1500, Техническое описание

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APCI-/CPCI-1500 Technical description Chapter 9
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9.3.4 Digital input channel
1) i_APCI1500_Read1DigitalInput (...)
Syntax :
<Return value> = i_APCI1500_Read1DigitalInput (BYTE b_BoardHandle,
BYTE b_Channel,
PBYTE pb_ChannelValue)
Parameters:
BYTE b_BoardHandle Handle of board xPCI-1500
BYTE b_Channel The number of the input channel to be
read (1 to 16)
PBYTE pb_ChannelValue State of the digital input channel:
0 -> low
1 -> high
Task:
Indicates the state of an input channel. The variable b_Channel passes the input
channel to be read (1 to 16). A value is returned with the variable
pb_ChannelValue : 0 (low) or 1 (high).
Return value:
0: No error
-1: The handle parameter of the board is wrong
-2: The input number is not between 1 and 16
2) i_APCI1500_Read8DigitalInput (...)
Syntax:
<Return value> = i_APCI1500_Read8DigitalInput (BYTE b_BoardHandle,
BYTE b_Port,
PBYTE pb_PortValue)
Parameters:
BYTE
b_BoardHandle Handle of the xPCI-1500
BYTE b_Port Number of the input port you want to
read (1 or 2)
PBYTE pb_PortValue State of the digital input port (0 to 255)
Task:
Indicates the state of a port. The variable b_Port passes the port to be read
(1 or 2). A value is returned with the variable pb_PortValue .