System, method and device for real time control of processor

• US 7,421,521 B2
• Filed: 04/05/2004
• Issued: 09/02/2008
• Est. Priority Date: 04/05/2004
• Status: Expired due to Fees

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Trainin, Solomon
• Primary Examiner(s): Dang; Khanh
• Application Number:
  US10/816,846
• Publication Number:
  US 20050228919A1
• Time in Patent Office: 1,611 Days
• Field of Search: 710/260, 710/45, 375/295, 375/316
• US Class Current: 710/45
• CPC Class Codes: G06F 13/24 using interrupt G06F13/32 takes precedence

Abstract

A method and device of synchronizing interrupts of a processor with, for example, signals from a synchronization unit such as, for example, a slot timer. In advance of the start of a slot as may, for example, be indicated by a signal from, for example, a slot timer, a state machine may schedule the function that will be permitted to interrupt a processor. Only the scheduled function may interrupt the processor during the slot. Time dependent functions that may be waiting to be processed may have to wait until the start of a next slot. Background functions that are too large to be processed within the time available in a slot may, for example, be divided into segments, each of such segments capable of being processed within the time available in a slot.

Claims

1. A method for processing by a processor, comprising:

determining if at least one command is waiting to be processed;

enabling acceptance of an interrupt in a series of periodic interrupts by a timer if said at least one command is waiting to be processed;

disabling acceptance of said interrupt if no command is waiting to be processed;

selecting a command waiting to be processed based on a priority;

disabling acceptance of interrupts by commands other than said selected command;

processing at least a portion of said selected command after acceptance of said interrupt; and

disabling acceptance of interrupts in said series of periodic interrupts until completion of said processing if said processing cannot be completed within the period between consecutive interrupts in said series of periodic interrupts.

2. The method of claim 1, comprising dividing said selected command into at least two or more segments, wherein a segment may be processed to completion within the period between consecutive interrupts in said series of periodic interrupts.

3. The method of claim 2, wherein said selected command is a background command.

4. The method of claim 1, wherein said selected command is a background command if said background command is waiting to be processed and a transmit command, a receive command, a time accurate command, and a command determined to be more important than said background command are not waiting to be processed.

5. The method of claim 1, wherein said selected command is a command if said command waiting to be processed and a receive command is not waiting to be processed.

6. The method of claim 1, wherein said selected command is a receive command if said receive command is waiting to be processed.

7. The method of claim 1, wherein said selected command is a time accurate command if said time accurate command is waiting to be processed and a transmit command and a receive command are not waiting to be processed.

8. The method of claim 1, wherein said selected command is a transmit command if said transmit command is waiting to be processed and a receive command is not waiting to be processed.

9. The method of claim 1, wherein said series of periodic interrupts are synchronized to a wireless link event.

10. The method of claim 1, wherein said series of periodic interrupts are synchronized to the time between frame sequences.

11. A wireless device comprising a processor readable storage medium having instructions for a processor stored thereon that, when executed by the processor, result in:

determining if at least one command is waiting to be processed;

enabling acceptance of an interrupt in a series of periodic interrupts by a timer if said at least one command is waiting to be processed;

disabling acceptance of said interrupt if no command is waiting to be processed;

selecting a command waiting to be processed based on a priority;

disabling acceptance of interrupts by commands other than said selected command;

processing at least a portion of said selected command after acceptance of said interrupt; and

disabling acceptance of interrupts in said series of periodic interrupts until completion of said processing if said processing cannot be completed within the period between consecutive interrupts in said series of periodic interrupts.

12. The wireless device of claim 11, wherein said selected command is a background command if said background command is waiting to be processed and a transmit command, a receive command, a time accurate command, and a command determined to be more important than said background command are not waiting to be processed.

13. The wireless device of claim 11, wherein said selected command is a command if said command is waiting to be processed and a receive command is not waiting to be processed.

14. The wireless device of claim 11, wherein said selected command is a receive command if said receive command is waiting to be processed.

15. The wireless device of claim 11, wherein said selected command is a time accurate command if said time accurate command is waiting to be processed and a transmit command and a receive command are not waiting to be processed.

16. The wireless device of claim 11, wherein said selected command is a transmit command if said transmit command is waiting to be processed and a receive command is not waiting to be processed.

17. The wireless device of claim 11, wherein said series of periodic interrupts are synchronized to a wireless link event.

18. The wireless device of claim 11, wherein said series of periodic interrupts are synchronized to the time between frame sequences.

19. The wireless device of claim 11, wherein said instructions result in dividing said selected command into at least two or more segments, and wherein a segment may be processed to completion within the period between consecutive interrupts in said series of periodic interrupts.

20. The wireless device of claim 19, wherein said selected command is a background command.

21. A wireless device, comprising:

a processor;

a dipole antenna operably connected to said processor; and

a processor readable storage medium having instructions for said processor stored thereon that, when executed by said processor, result in;

determining if at least one command is waiting to be processed;

enabling acceptance of an interrupt in a series of periodic interrupts by a timer if said at least one command is waiting to be processed;

disabling acceptance of said interrupt it no command is waiting to be processed;

selecting a command waiting to be processed based on a priority;

disabling acceptance of interrupts by commands other than said selected command;

processing at least a portion of said selected command after acceptance of said interrupt; and

disabling acceptance of interrupts in said series of periodic interrupts until completion of said processing if said processing cannot be completed within the period between consecutive interrupts in said series of periodic interrupts.

22. The wireless device of claim 21, wherein said selected command is a background command if said background command is waiting to be processed and a transmit command, a receive command, a time accurate command, and a command determined to be more important than said background command are not waiting to be processed.

23. The wireless device of claim 21, wherein said selected command is a command if said command is waiting to be processed and a receive command is not waiting to be processed.

24. The wireless device of claim 21, wherein said selected command is a receive command if said receive command is waiting to be processed.

25. The wireless device of claim 21, wherein said selected command is a time accurate command if said time accurate command is waiting to be processed and a transmit command and a receive command are not waiting to be processed.

26. The wireless device of claim 21, wherein said selected command is a transmit command if said transmit command is waiting to be processed and a receive command is not waiting to be processed.

27. The wireless device of claim 21, wherein said series of periodic interrupts are synchronized to a wireless link event.

28. The wireless device of claim 21, wherein said series of periodic interrupts are synchronized to the time between frame sequences.

29. The wireless device of claim 21, wherein said instructions result in dividing said selected command into at least two or more segments, and wherein a segment may be processed to completion within the period between consecutive interrupts in said series of periodic interrupts.

30. The wireless device of claim 29, wherein said selected command is a background command.