Intel® IXP400 Software

Access-Layer Components: Synchronous Serial Port (IxSspAcc) API

Figure 94. Polling Scenario

init

transmit

receive

Client

 

SspAcc

 

 

 

ixSspAccInit

ixSspAccInit : return

ixSspAccTxFIFOHitOrBelowThresholdCheck ixSspAccTxFIFOHitOrBelowThresholdCheck: return

ixSspAccFIFODataSubmit ixSspAccFIFODataSubmit: return

ixSspAccRxFIFOHitOrAboveThresholdCheck ixSspAccRxFIFOHitOrAboveThresholdCheck: return

ixSspAccFIFODataReceive ixSspAccFIFODataReceive: return

Data processing

Rx FIFO overrun

ixSspAccRxFIFOOverrunCheck

ixSspAccRxFIFOOverrunCheck: return

ixSspAccFIFODataReceive ixSspAccFIFODataReceive: return

Data processing/ data loss recovery

B4390-01

Programmer’s Guide

IXP400 Software Version 2.0

April 2005

 

Document Number: 252539, Revision: 007

281

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Image 281
Intel IXP400 manual Init Transmit Receive