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COMEDI_POLL

COMEDI_POLL

Section: (3) Updated: 28 October 2007
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NAME

comedi_poll - force updating of streaming buffer  

SYNOPSIS

#include <comedilib.h>

int comedi_poll (comedi_t * device, unsigned int subdevice);  

DESCRIPTION

The function comedi_poll() is used on a subdevice that has a Comedi command in progress in order to update the streaming buffer. If supported by the driver, all available samples are copied to the streaming buffer. These samples may be pending in DMA buffers or device FIFOs. If sucessful, the number of additional bytes available is returned. If there is an error, -1 is returned.


 

Index

NAME
SYNOPSIS
DESCRIPTION

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Time: 21:43:40 GMT, April 16, 2011