csi_status(3)                       CLIX                       csi_status(3)



  NAME

    csi_status - Reads the Command Status Interface (CSI) port DR11 status
    lines

  LIBRARY

    Intergraph Device Library (libix.a)

  SYNOPSIS

    #include <sys/xio/xerr.h>

    int csi_status(
      int channel ,
      int *stat );

  DESCRIPTION

    The csi_status() function returns the value of the Command Status
    Interface (CSI) port DR11 status lines which are directly connected to
    application specific external hardware through the Image System Interface
    (ISI) board referenced by channel.  The channel must have been opened with
    csi_open().

  RETURN VALUES

    Upon successful completion, a value of 0 is returned.  Otherwise, one of
    the following failure codes is returned.

  ERRORS

    The csi_status() function will fail if one of the following is true:

    [XIO_FAILURE]
           The system does not contain the driver needed to support this
           request.

    [ISI_REDUNDANT_REQ]
           The specified channel is currently open by this process.

    [ISI_CHANNEL_INVALID]
           The specified channel is beyond the maximum allowed.

    [ISI_CHANNEL_NOT_FOUND]
           The specified channel is not present in the system.

  RELATED INFORMATION

    Functions:  csi_open(3)




  2/94 - Intergraph Corporation                                              1

  csi_status(3)                       CLIX                       csi_status(3)



    Files: xcsi(7)





















































  2                                              Intergraph Corporation - 2/94