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OME-A-826PG Software Manual [Win 95/98/NT]
3.3.4 A826_ADs_Float
• Description :
This subroutine will perform a number of A/D conversions by polling. This
subroutine is very similar to A826_AD except that this subroutine will perform
wCount of conversions instead of just one conversion. The A/D conversing at the
ISA bus’s max. speed. The sampling rate is about 90K samples/second which
testing under Pentium-133 CPU. Then the A/D data are stored in a data buffer in
Float format. The fBuf
is the starting address of this data buffer.
• Syntax :
WORD A826_ADs_Float(WORD wBase, WORD wChannel, WORD wConfig,
float fBuf[], WORD wCount);
• Parameter :
wBase : [Input] I/O port base address, for example, 0x220
wChannel : [Input] A/D channel number
wConfig : [Input] Configuration code, refer to 1.2 for detail information
fBuf : [Output] Starting address of the data buffer
(in float format)
wCount : [Input] Number of A/D conversions will be performed
• Return Value :
AdError1 : A/D converter error
NoError : Operation is OK
Date: Aug-15-2000 Ver: 2.2 Page 40