PM5358 S/UNI-4x622 Driver Manual

Porting the S/UNI-4x622 Driver

Procedure 1: Porting Driver OS Extensions

The OS extensions encapsulate all OS specific services and data types used by the driver. The suni4x622_rtos.h file contains data types and compiler-specific data-type definitions. It also contains macros for OS specific services used by the OS extensions. These OS extensions include:

Task management

Message queues

Events

Memory Management

In addition, you may need to modify functions that use OS specific services, such as utility and interrupt-event handling functions. The suni4x622_rtos.c file contains the utility and interrupt-event handler functions that use OS specific services.

To port the driver’s OS extensions:

1.Modify the data types in suni4x622_rtos.h. The number after the type identifies the data-type size. For example, UINT4 defines a 4-byte (32-bit) unsigned integer. Substitute the compiler types that yield the desired types as defined in this file.

2.Modify the OS specific services in the corresponding system calls that

suni4x622_rtos.h. Redefine the following macros to your target system supports:

Service

Macro Name

Description

Type

 

 

 

 

 

Memory

sysSuni4x622MemAlloc

Allocates the memory block

 

 

 

 

sysSuni4x622MemFree

Frees the memory block

 

 

 

 

sysSuni4x622MemSet

Set the memory value

 

 

 

 

sysSuni4x622MemCpy

Copies the memory block from src to dest

 

 

 

3.Modify the utilities and interrupt services that use OS specific services in the suni4x622_rtos.c and the suni4x622_hw.c. These file contains the utility and interrupt-event handler functions that use OS specific services. Refer to the function headers in this file for a detailed description of each of the functions listed below:

Service Type

Function Name

Description

 

 

 

Timer

sysSuni4x622TimerSleep

Sets the task execution delay

 

 

in milliseconds

 

 

 

Proprietary and Confidential to PMC-Sierra, Inc.

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Document ID: PMC-2010419, Issue 1

 

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PMC-Sierra PM5358 S/UNI 4x622 manual Procedure 1 Porting Driver OS Extensions, To port the driver’s OS extensions