Impulse 463E - Manual (Page 77)

© Sealevel Systems, Inc. - 74 - SeaI/O User Manual
Set Module Software-Selectable Address
Which IOCTL_SET_ADDRESS (2)
Description Sets the SeaIO module’s software selectable address.
The last parameter is expected to be a pointer to a ‘seaio_ioctl_s’
structure. Only one field is used in the structure (u.address) and
should be populated with a valid address before calling Ioctl.
Models All SeaIO modules
Expected
Data Type Pointer to a seaio_ioctl_s structure
Return Codes -22 EINVAL A NULL pointer has been supplied where a
pointer to a data buffer was expected.
≥ 0 Success
( Reference the return values for both Read( ) and Write( ) )
Set Module Baud Rate & Parity
Which IOCTL_SET_COMM_PARAM (3)
Description Sets the SeaIO module’s baud rate and parity.
The last parameter is expected to be a pointer to a ‘seaio_ioctl_s’
structure. Two fields are used in the structure
(u.comms.new_baud_rate and u.comms.new_parity) and should be
populated with valid data before calling Ioctl.
Models All SeaIO modules
Expected
Data Type Pointer to a seaio_ioctl_s structure
Return Codes -22 EINVAL A NULL pointer has been supplied where a
pointer to a data buffer was expected.
≥ 0 Success
( Reference the return values for both Read( ) and Write( ) )