Intel PCI-7200 User Manual

Page 46

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36

• C/C++ Libraries

5.10 _7200_DI_Channel

@ Description

This function is used to read data from digital input channels (bit). There are
32 digital input channels on the PCI-7200. When performs this function, the
digital input port is read and the value of th e corresponding channel is
returned.

* channel means each bit of digital input port.

@ Syntax

Visual C++ (Windows 95)

int W_7200_DI_Channel (U8 di_ch_no, Boolean *di_data)

Visual Basic (Windows 95)

W_7200_DI_Channel (ByVal di_ch_no As Byte, di_data As Byte)

As Long

C/C++ (DOS)

int _7200_DI_Channel (U8 di_ch_no, Boolean *di_data)

@ Argument

di_ch_no : the DI channel number, the value has to be set within 0 and
31.
di_data :

return value, either 0 or 1.

@ Return Code

ERR_NoError

ERR_InvalidDIChannel

5.11 _7200_DO

@ Description

This function is used to write data to digital output port. There are 32 digital
outputs on the PCI-7200.

@ Syntax

Visual C++ (Windows 95)

int W_7200_DO (U32 do_data)

Visual Basic (Windows 95)

W_7200_DO (ByVal do_data As Long) As Long

C/C++ (DOS)

int _7200_DO (U32 do_data)

@ Argument

do_data :

value will be written to digital output port

@ Return Code

ERR_NoError

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