USB DrDAQ Programmer's Guide
19
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usbdrdaqpg.en
3.5.10 UsbDrDaqGetValues
PICO_STATUS UsbDrDaqGetValues(
short handle,
short
* values,
unsigned long * noOfValues,
unsigned short * overflow,
unsigned long * triggerIndex
)
This function is used to get values after calling
.
Arguments:
handle:
or
values:
an array of sample values returned by the function. The size
of this buffer must be the number of enabled channels multiplied by
the number of samples to be collected.
noOfValues:
on entry, the number of sample values per channel
that the function should collect. On exit, the number of samples per
channel that were actually written to the buffer.
overflow:
on exit, a bit field indicating which, if any, input channels
overflowed the input range of the device. A bit set to 1 indicates an
overflow. The least significant bit corresponds to channel 1. May be
NULL
if an overflow warning is not required.
triggerIndex:
on exit, a number indicating when the trigger event
occurred. The number is a zero-based index to the
values
array, or
0xFFFFFFFF if the information is not available. On entry, the pointer
may be
NULL
if a trigger index is not required.
Returns:
14
11
23
37
37
37
37
37
37
37
37
37
37
37