C++ for embedded

[Angelo Fraietta]

This demo shows how you can use operator new and shows how it is 
returned as the address of the array.

Peter Mueller wrote:

>Hi Angelo,
>
>can you send me an example?
>
>Thanks,
>Peter
>
>On Sat, 23 Mar 2002 12:25:41 +1100
>Angelo Fraietta <angelo_f at bigpond.com> wrote:
>
>>You can allocate the memory for a class however and wherever you want to 
>>by overloading operators new and delete (you don't even have to allocate 
>>memory, you just return a ponter to it). If you have members of a class 
>>that need to be allocated as ROM, that is not a problem so long as you 
>>make these const. You could still have non default constructors in these 
>>ROM allocated classes so long as you do not try to change any members of 
>>the class (as they must be const also and so you cannot pre-set them 
>>even in a default constructor as your memory is read only).  So what 
>>your class effectively becomes is a class interface to the ROM. As long 
>>as all the classes members are const, there is no problem that I am 
>>aware of.
>>
>>Peter Mueller wrote:
>>
>>>Hi all,
>>>
>>>we want to use C++ for our future systems. But it seems that there are several design aspects that should be taken into account to develop efficient C++ code especially in terms of RAM usage. E.g. to be able to put an object into rom the class can not have
>>>- others than the default ctor
>>>- only public methods etc
>>>- ...
>>>
>>>I found some links in the net but not much. Can you recommend papers etc. about this topic and C++ in embedded systems in general?
>>>
>>>Thanks a lot,
>>>Peter
>>>
>>-- 
>>Angelo Fraietta
>>
>>PO Box 859
>>Hamilton NSW 2303
>>
>>Home Page
>>
>>
>>http://www.users.bigpond.com/angelo_f/
>>
>>There are those who seek knowledge for the sake of knowledge - that is CURIOSITY
>>There are those who seek knowledge to be known by others - that is VANITY
>>There are those who seek knowledge in order to serve - that is LOVE
>>    Bernard of Clairvaux (1090 - 1153)
>>
>>
>>
>>
>
>

-- 
Angelo Fraietta

PO Box 859
Hamilton NSW 2303

Home Page


http://www.users.bigpond.com/angelo_f/

There are those who seek knowledge for the sake of knowledge - that is CURIOSITY
There are those who seek knowledge to be known by others - that is VANITY
There are those who seek knowledge in order to serve - that is LOVE
    Bernard of Clairvaux (1090 - 1153)


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