User`s manual

Software Manual • EKF Intelligent I/O Controller Family On
CompactPCI
- 55 -
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controller. The inbound parameter buffer is used to pass parameters belonging to a
message to the controller. The controller returns parameters in the outbound parameter area
as a result of a previously sent message.
Write or read data are exchanged in the I/O buffer areas. Each port owns one read and one
write buffer each of fixed size. A buffer consists of a field that contains the current amount of
data in the buffer and the buffer itself. The buffer structure is described in the struct
EKF_MU_IO_BUFFER in the C header file "ekf960if.h".