C/C++ Library
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59
5.36 _9111_AD_FFHF_Polling
@ Description
This function is used to perform powerful AD data transfer by applying
half-full polling mode. This method checks the FIFO half full signal every
time call this function. If the FIFO is not half-full, the software do not read
data. When the FIFO is full, the AD FIFO is overrun. When the FIFO is
half-full but not full, software reads the A/D data, stored in FIFO, in size of
one “block” (512 words). The FIFO half-full polling method is the most
powerful A/D data transfer mode. Please refer to section 5.1.4 for the
detailed description of half-full polling mode.
@ Syntax
C/C++ (DOS)
U16 _9111_AD_FFHF_Polling (U16 cardNo, I16 far *ad_data)
C/C++ (Windows 95)
U16 W_9111_AD_FFHF_Polling (U16 cardNo, I16 *ad_data)
Visual Basic (Windows 95)
W_9111_AD_FFHF_Polling (ByVal cardNo As Integer, ad_data As
Integer) As Integer
@ Argument
cardNo:
the card number of PCI-9111 card initialized.
ad_data:
the 16bits A/D converted value. The data format can be
referred to section 5.1.6 for details.
@ Return Code
ERR_NoError
ERR_FIFO_Half_NotReady
5.37 _9111_AD_Aquire
@ Description
This function is used to trigger the A/D conversion data for PCI-9111 by
software trigger. It reads the 12 bits A/D data when the data is ready.
@ Syntax
C/C++ (DOS)
U16 _9111_AD_Aquire (U16 cardNo, I16 far *ad_data)
C/C++ (Windows 95)
U16 W_9111_AD_Aquire (U16 cardNo, I16 *ad_data)
Visual Basic (Windows 95)
W_9111_AD_Aquire (ByVal cardNo As Integer, ad_data As Integer)
As Integer
Summary of Contents for NuDAQ PCI-9111DG
Page 1: ...NuDAQ PCI 9111DG HR Multi Functions Data Acquisition Card User s Guide ...
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