Intel PCI-7200 Manuel d'utilisateur télécharger pdf (Page 46)

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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 the 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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Intel PCI-7200 Manuel d'utilisateur Page 46