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Question about ARM9 system

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choi_new

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My friend told me ARM 9 application software design can be classific into high level and low level.

high level is the application software. low level is the Board support package level...

I want to know what's the mainly diffierent them??
Which one is more difficult and important??
 

Hi

Most professional written application are separated into application and BSP where BSP - (board support packge,low level driver software) and application can became a simple running main routine or an RTOS(Real Time Operating System)

It is the best way to write a software and to maintain it


from my point of view a good maintaind BSP is a very hard work to do since the programmer must have a good knowledge in hardware as well as software


All the best

Bobi
 

Board support package level provides HW dependent services to upper SW levels. Consider it like a VGA card driver in windows.

Application uses the services/routines provided by BSP to access HW.

Both of them important.
 

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