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Method of interrupt control and electronic system using the same

a technology applied in the field of interrupt control and electronic system, can solve the problems of heavy processor load, bottleneck in system performance, increased cost, etc., and achieve the effect of effective and accurate sending of interrupt signals and enhancing the efficiency of the processor

Inactive Publication Date: 2014-10-30
DYNA IMAGE CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The objective of the patent is to provide a method and system for controlling interrupts in an electronic device to improve the efficiency of the processing unit. The method allows for effective and accurate sending of interrupt signals.

Problems solved by technology

Since most devices need the processor to perform data processing, the load of the processor is heavy.
If the processor performance is poor or a large number of tasks suddenly arrive, the processor may not be able to accomplish all tasks in time, resulting in a bottleneck in system performance.
If powerful dual-core or quad-core processors are utilized, costs will increase without any guarantee that the performance can be respectively doubled or quadrupled.
Current methods of sending interrupt signals, however, cannot effectively and accurately send interrupt signals when a task needs to be executed in the device.

Method used

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  • Method of interrupt control and electronic system using the same
  • Method of interrupt control and electronic system using the same
  • Method of interrupt control and electronic system using the same

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Embodiment Construction

[0020]As mentioned above, current methods of sending interrupt signals cannot effectively and accurately send the interrupt signals when a task needs to be executed in the device. Please refer to FIG. 1, which is a schematic diagram of a common interrupt signal sending status. As shown in FIG. 1, a device may determine whether to send interrupt signals according to a value of data. When the value of the data is greater than a threshold value TH, the device may continue to send interrupt signals to inform the processor to execute the task. When the value of the data is smaller than the threshold value TH, the device may stop sending the interrupt signals, so the processor does not need to waste resources on detecting whether there are any tasks to be executed. In this interrupt signal sending policy, when the value of the data is close to the threshold value TH, noise in the system may cause the device to erroneously send interrupt signals; alternatively, an interrupt signal needs to...

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Abstract

A method of interrupt control for an electronic system, the electronic system including a host and an electronic device, includes receiving digital data generated by the electronic device; determining a value of the digital data and dividing a possible range of the value of the digital data into a plurality of regions; and sending an interrupt signal to the host when the value of the digital data changes from a first region among the plurality of regions to a second region among the plurality of regions and remains within the second region for a specific period of time.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application No. 61 / 817,306, which was filed on Apr. 29, 2013 and titled “3D-Motion Gesture / Proximity Detection Module Sensor (MGPS)”, the contents of which are incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to a method of interrupt control and an electronic system using the same, and more particularly, to a method of interrupt control and an electronic system capable of assisting a host to receive data.[0004]2. Description of the Prior Art[0005]With advancements in technology, various electronic devices such as mobile phones, GPS navigator systems, tablets, personal digital assistants (PDA) and laptops have become indispensable in our daily life. A standard electronic system comprises a core processor such as a central processing unit (CPU), a microprocessor or a micro control unit (MCU). The core process...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06F13/24
CPCH05K13/046Y02B60/1228G06F3/0354G06K9/60G06T5/008G06F13/24G01J1/42H01L25/50H01L25/167G01J2001/4295H01L2224/48091H01L2224/48247H01L27/14618H01L27/14625G01S17/50H01L2224/05554G01S7/4813G06F3/0304G06F3/03547H01L31/02327Y02D10/00G06T5/94
Inventor ZHAN, PENG-HAN
Owner DYNA IMAGE CORPORATION