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IXP400 Software
Contents
Programmer’s Guide IXP400 Software Version 2.0 April 2005
Document Number: 252539, Revision: 007
20.4 IxTimeSyncAcc API Usage Scenarios..............................................................................290
20.4.1 Polling for Transmit and Receive Timestamps ....................................................290
20.4.2 Interrupt Mode Operations...................................................................................290
20.4.3 Polled Mode Operations ......................................................................................291
21 Access-Layer Components:
UART-Access (IxUARTAcc) API...............................................................................................293
21.1 What’s New.......................................................................................................................293
21.2 Overview...........................................................................................................................293
21.3 Interface Description.........................................................................................................293
21.4 UART / OS Dependencies................................................................................................294
21.4.1 FIFO Versus Polled Mode ...................................................................................294
21.5 Dependencies...................................................................................................................295
22 Access-Layer Components:
USB Access (ixUSB) API ..........................................................................................................297
22.1 What’s New.......................................................................................................................297
22.2 Overview...........................................................................................................................297
22.3 USB Controller Background..............................................................................................297
22.3.1 Packet Formats....................................................................................................298
22.3.2 Transaction Formats............................................................................................299
22.4 ixUSB API Interfaces ........................................................................................................302
22.4.1 ixUSB Setup Requests ........................................................................................302
22.4.1.1 Configuration........................................................................................304
22.4.1.2 Frame Synchronization ........................................................................305
22.4.2 ixUSB Send and Receive Requests ....................................................................305
22.4.3 ixUSB Endpoint Stall Feature ..............................................................................305
22.4.4 ixUSB Error Handling...........................................................................................306
22.5 USB Data Flow .................................................................................................................308
22.6 USB Dependencies ..........................................................................................................308
23 Codelets .....................................................................................................................................309
23.1 What’s New.......................................................................................................................309
23.2 Overview...........................................................................................................................309
23.3 ATM Codelet (IxAtmCodelet)............................................................................................309
23.4 Crypto Access Codelet (IxCryptoAccCodelet) ..................................................................310
23.5 DMA Access Codelet (IxDmaAccCodelet)........................................................................310
23.6 Ethernet AAL-5 Codelet (IxEthAal5App)...........................................................................310
23.7 Ethernet Access Codelet (IxEthAccCodelet) ....................................................................310
23.8 HSS Access Codelet (IxHssAccCodelet)..........................................................................311
23.9 Parity Error Notifier Codelet (IxParityENAccCodelet) .......................................................311
23.10 Performance Profiling Codelet (IxPerfProfAccCodelet) ....................................................312
23.11 Time Sync Codelet (IxTimeSyncAccCodelet)...................................................................312
23.12 USB RNDIS Codelet (IxUSBRNDIS) ................................................................................312
24 Operating System
Abstraction Layer (OSAL).........................................................................................................313
24.1 What’s New.......................................................................................................................313
24.2 Overview...........................................................................................................................313
24.3 OS-Independent Core Module..........................................................................................315
24.4 OS-Dependent Module .....................................................................................................315