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Altera_Forum's avatar
Altera_Forum
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15 years ago

Q message allocation

This is just a general question about messaging and queues. How are you guys allocating Q messages? For instance, each message I send is a pointer to a struct. My struct contains an ENUM va...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I prefer to use ring buffers. i do a calculation what ring buffer size is needed and add some safety margin.

Personally i am not a friend of dynamic memory allocation and freeing in embedded systems.

Unless you have a serious memory shortage i see nothing wrong with allocating big chunks of memory at compile time. At least so see then very early were potential bottlenecks lie.

Its also easier to test.