ADLINK PCI-7396 - Manual (Page 42)

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• C/C++ Libraries
5.4 _7396_DI
@ Description
This function is used to read the 24-bit digital inputs data from the input port of
the PCI-7396.The written data and read in data is 24 bits data. Each data is
mapped to a signal as the table below.
D7 D6 D5 D4 D3 D2 D1 D0
PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0
D15 D14 D13 D12 D11 D10 D9 D8
PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0
D23 D22 D21 D20 D19 D18 D17 D16
PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0
@ Syntax
C/C++ (DOS)
U16 _7396_DI (U16 cardNo, U16 channelPort, U32 *diData)
C/C++ (Windows 95)
U16 W_7396_DI (U16 cardNo, U16 channelPort, U32 *diData)
Visual Basic (Windows 95)
W_7396_DI (ByVal cardNo As Integer, ByVal channelPort As Integer,
diData As Integer) As Integer
@ Argument
cardNo: The card number of PCI7396 card initialized.
channelPort: port of each channel
P1_A : CH1’s Port A
P1_B : CH1’s Port B
P1_C : CH1’s Port C
P1_ABC: CH1’s Port A ,Port B ,Port C
P2_A : CH2’s Port A
P2_B : CH2’s Port B
P2_C : CH2’s Port C
P2_ABC: CH2’s Port A ,Port B ,Port C
(The following items are for PCI-7396 only.)
P3_A : CH3’s Port A
P3_B : CH3’s Port B
P3_C : CH3’s Port C
P3_ABC: CH3’s Port A ,Port B ,Port C
P4_A : CH4’s Port A
P4_B : CH4’s Port B
P4_C : CH4’s Port C
P4_ABC: CH4’s Port A ,Port B ,Port C
diData:
returned 24-bit value from digital port.