Hi all,

We have been working with TinyOs and NesC some few months, but we still have some doubts. We want to ask you the following three questions:

1.- In some places, we have read that events can call commands, post tasks and signal other events. Also, we have read that commands can call lower level commands. Then, a command cannot post a task? or signal an event? is it right? We thought command can do it.

2.- We have read that there are two level scheduling: events and tasks. We know TinyOs scheduler manages tasks which are posted, so does TinyOs scheduler manage events? or are events managed like commands?

3.- If you have a task posted, could you post the same task other time? We mean if we have a task in the task qeue, could we post the same task again? Perhaps it is a simple question, but we think it is possible that if the task is in the task qeue, we couldn't post it again.

We will be grateful for any help. Thanks in advance,

Andres

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