Queue_enqueue or Queue_put?

Simone Frau

Other Parts Discussed in Thread: SYSBIOS

Hello,

I am working with the SensorTag platform developing my own software based on the SensorTag example and I would like to understand the difference between the two APIs to manage the queue, Queue_enqueue and Queue_put.

In case the queuing and de-queuing is always in the same task I can imagine there is no reason to use the Queue_put instead of the Queue_enqueue.

In case different queuing are possible from different tasks should be better to use the Queue_put? If I would like to avoid to disable all the interrupts can I still use the Queue_enqueue with a semaphore to create a mutex where this API is called?

Is my argumentation correct?

Thank you.

Kind Regards,

Simone Frau

over 9 years ago

0 Zahid Haq over 9 years ago

TI__Mastermind 25035 points

Hi,

If you look at the TI-RTOS documentation, it is the same except Queue_put is atomic:
file:///C:/TI/tirtos_simplelink_2_13_00_06/products/bios_6_42_00_08/docs/cdoc/index.html#ti/sysbios/knl/Queue.html#put

Yes, you should be able to use Queue_enqueue in a mutex.

Best wishes

0 Simone Frau over 9 years ago in reply to Zahid Haq

Intellectual 690 points

Hi,

and what about the Queue_dequeue? There is no information about the "atomicity" of this API in the TI-RTOS documentation. Is a mutex required if the queuing happen in different tasks?

Kind Regards,

Simone Frau

0 Zahid Haq over 9 years ago in reply to Simone Frau

TI__Mastermind 25035 points

Hi,

The atomic version of Queue_dequeue is Queue_get.

Best wishes

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Queue_enqueue or Queue_put?