Man page - ppoll(3)

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Manual

PPOLL

NAME
SYNOPSIS
DESCRIPTION
COPYRIGHT

NAME

PPoll - parallel poll devices

SYNOPSIS

#include <gpib/ib.h>

void PPoll(int board_desc , short * result );

DESCRIPTION

PPoll() is similar to the 'traditional' API function ibrpp(). It causes the interface board to perform a parallel poll, and stores the parallel poll byte in the location specified by result . Bits 0 to 7 of the parallel poll byte correspond to the dio lines 1 to 8, with a 1 indicating the corresponding dio line is asserted. The devices on the bus you wish to poll should be configured beforehand with PPollConfig(). The board must be controller-in-charge to perform a parallel poll.