CN1622081A - Method for reducing cell power consumption of portable digital products - Google Patents
Method for reducing cell power consumption of portable digital products Download PDFInfo
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- CN1622081A CN1622081A CNA2003101122559A CN200310112255A CN1622081A CN 1622081 A CN1622081 A CN 1622081A CN A2003101122559 A CNA2003101122559 A CN A2003101122559A CN 200310112255 A CN200310112255 A CN 200310112255A CN 1622081 A CN1622081 A CN 1622081A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The method of lowering the battery power consumption of portable digital device includes detecting the set CPU work mode in power-on; judging the set value of the work mode; determining the CPU work mode based on the set value; and operating in the work frequency set in the work mode. The method of the present invention can regulate the work frequency of CPU based on the load in the portable digital device to reduce power consumption and prolong the use time of the battery.
Description
Technical field
The present invention is about a kind of method that reduces battery power consumption, particularly a kind of method that is applied to the reduction battery power consumption of portable digital product.
Background technology
The portable digital product, for example (Personal Digital Assistant, PDA), its convenience is some the simple affairs of processing that can carry to personal digital assistant, and replaces traditional notepad, becomes an auxiliary notepad instrument.Along with manufacturer constantly weeds out the old and bring forth the new, stride forward towards the application of more diversification, also make on the PDA with the function of more and more polynary changes such as recreation and playing back music.Relevant at present palmtop computer is being played the part of important and indispensable role in the commercial field in action, forms emerging trend of another burst and trend.
Nowadays the function of PDA(Personal Digital Assistant) is more all-embracing, comprising having: (EXPENSE) and Email (EMAIL) are calculated in calendar (DATE BOOK), telephone directory (ADDRESS BOOK), pending management (TO DO LIST), notepad (MEMOPAD), compute machine (CALCULATOR), spending, also comprise electronic game, playing back music or the like function even, because function is numerous and have portability, also day by day popularize.Present development trend combines it especially with wireless network, make that the various application on the network can also be used on PDA.
The portable type digital product, no matter be mobile phone, personal digital assistant, palmtop computer or notebook computer, what it was bragged about promptly is to carry, the supply of power supply is considerable considering naturally.With the little personal digital assistant of volume, if will prolong its power-on time, be subject to the size of battery, its effect must be limited.
The at present carry-on employed central processing unit of digital product all operates under the fixed frequency, and the electric weight that same its consumed is also for fixing, and work as the performed work of processor more after a little while, do not need high-frequency to operate in fact, and change, to reduce consumption of electric with lower frequencies operations.Along with the function of carry-on digital product is more and more, it is shorter and shorter to make that battery charges the electricity spendable time of back, therefore, reduces power consumption and becomes a problem demanding prompt solution.
Summary of the invention
In view of above problem, fundamental purpose of the present invention is to provide a kind of method that reduces portable digital product battery power consumption, to change the mode of the frequency of operation of its central processing unit in the carry-on digital product, make and just reduce the present frequency of operation of central processing unit when not needing high-frequency work, to reach the purpose that reduces battery power consumption.
Therefore, for reaching above-mentioned purpose, the method for the reduction portable digital product battery power consumption that the present invention disclosed, when this digital product start, the work setting pattern of this central processing unit in the detecting system; And judge setting value in this work setting pattern; Determine the mode of operation of this central processing unit again according to this setting value; Frequency of operation value executable operations to set in this mode of operation at last.
The method of the carry-on digital product battery power consumption of the disclosed reduction of the present invention makes the frequency of microprocessor can change its frequency of operation according to setting, reduces the consumption of power consumption, to improve the service time of battery.
Description of drawings
The utility model is described in further detail below in conjunction with most preferred embodiment and accompanying drawing:
The method flow diagram of the carry-on digital product battery power consumption of reduction that Fig. 1 is disclosed by the present invention;
The main flow chart of the method for the carry-on digital product battery power consumption of reduction that Fig. 2 is disclosed by the present invention; And
The method flow diagram of the change central processing unit frequency of the method for the carry-on digital product battery power consumption of reduction that Fig. 3 is disclosed by the present invention.
Embodiment
The present invention is mainly used in and adopts the portable digital product of battery as less important or main power supply source of supply, mobile phone, personal digital assistant, palmtop computer or electronic dictionary or the like portable digital product for example, its framework of these products mainly includes a central processing unit, one input interface, for example keyboard or touch screen, wherein central processing unit has a plurality of frequency of operation.The disclosed method of the present invention, that is to say when central processing unit need not operate with the speed of maximum to improve the power consumption situation by the speed that reduces its central processing unit, just reduces the speed of central processing unit, can reduce the power consumption of battery.
At first please refer to Fig. 1, the method flow diagram of the carry-on digital product battery power consumption of reduction that is disclosed by the present invention, main four process steps for the present invention, at first, the work setting pattern (step 100) of central processing unit in the detecting system then, is judged the setting value (step 200) in this work setting pattern, determine the mode of operation (step 300) of central processing unit again according to this setting value, at last frequency of operation value executable operations (step 400) to set in the mode of operation.
At first, with reference to figure 2, the main flow chart of the method for the carry-on digital product battery power consumption of reduction that is disclosed by the present invention, at first, pattern (step 500) is set in the work of detecting central processing unit when start, then judgment task pattern (step 510), that is be mode of operation with the fixed frequency or be the whole mode of operation of frequency adjustable.If be steady job pattern (step 520), then judgment task frequency (step 530).Therefore central processor can be operated in a plurality of frequencies among the present invention used, and can be set at first frequency of operation (step 540), 100MHz for example, or be set at for example 200MHz of second frequency of operation (step 550).If be automatic operation mode (step 560), then flag is set at 1 (step 570).
The continuous Fig. 3 that please refer to, the method flow diagram of the change central processing unit frequency of the method for the carry-on digital product battery power consumption of reduction that is disclosed by the present invention.The flow process of this part is that (Dynamic Link Library DLL), does binding with the state of flag value and the main flow among Fig. 2 in a dynamic connection letter formula storehouse.
At first,, wait for earlier (step 600) that for example 500ms then checks flag (step 610), to find out the state of present flag value according to the requirement of program design.The present invention inspects the operating rate that whether needs to change central processing unit with the state of flag value, that is frequency of operation.If flag value is not 1, the step of then getting back to wait, and check flag value once more.If it is 1 (step 620) that the result who checks obtains flag value, then continue to check Power Management Unit (Power Management Unit, PMU) state (step 630) of working storage.Power Management Unit is with the state of the present central processing unit power consumption of record, with the operating load situation of the present central processing unit of state representation of power consumption.Then, check that whether the load of central processing unit is greater than present frequency of operation (step 640).If the load of central processing unit is greater than present frequency of operation at present, the expression central processing unit has a plurality of work to carry out at present, therefore make present frequency of operation be not enough to deal with, must improve frequency of operation (step 650), so that speeding up of handling.The load of the central processing unit of checking as a result not greater than present frequency of operation can load work, represent that then present frequency of operation may be too high, that is at present necessary program to be processed is less, therefore, the frequency of central processing unit can be reduced (step 660), to lower the power consumption of battery.No matter improve the frequency of operation of central processing unit or the frequency of operation of reduction central processing unit, after adjustment finishes, then get back to the step of wait, and continue to check flag value.So, as long as no matter carry-on digital product is in start, executive routine or armed state, all available above-mentioned method step, the frequency of operation of the present central processing unit of monitoring that continues and the situation of load, and in good time adjustment frequency of operation, to reduce the loss of energy, prolong the service time of battery.
In sum, the method for the carry-on digital product battery power consumption of the disclosed reduction of the present invention, when this digital product start, the work setting pattern of this central processing unit in the detecting system; And judge setting value in this work setting pattern; Determine the mode of operation of this central processing unit again according to this setting value; Frequency of operation value executable operations to set in this mode of operation at last.The disclosed method according to the present invention can be adjusted frequency of operation to reduce unwanted power consumption according to the load of central processor among in the carry-on digital product of Portable, prolongs the service time of battery.
Though the present invention discloses as above with aforementioned preferred embodiment; right its is not in order to limit the present invention; anyly be familiar with this operator; without departing from the spirit and scope of the invention; when can doing a little change and retouching, so the present invention's protection domain must be looked the appended claims person of defining of this instructions and is as the criterion.
Claims (7)
1. method that reduces portable digital product battery power consumption, be applied to the portable digital product, this portable digital product with a battery as main or less important working power, this portable digital product comprises a central processing unit at least and has a plurality of frequency of operation, it is characterized in that this method includes the following step:
When this digital product start, the work setting pattern of this central processing unit in the detecting system;
Judge the setting value in this work setting pattern;
Determine the mode of operation of this central processing unit according to this setting value; And
With the frequency of operation value executable operations that sets in this mode of operation.
2. the method for reduction portable digital product battery power consumption according to claim 1, it is characterized in that: this setting value includes a steady job pattern and an automatic operation mode.
3. as the method for the carry-on digital product battery power consumption of reduction Portable as described in the claim 2, it is characterized in that: more include a plurality of frequency of operation setting values in this steady job pattern.
4. as the method for the carry-on digital product battery power consumption of reduction Portable as described in the claim 2, it is characterized in that this automatic operation mode more comprises the following steps:
One flag value is set at very; And
Frequency of operation is adjusted in load according to this central processing unit.
5. as the method for the carry-on digital product battery power consumption of reduction Portable as described in the claim 4, it is characterized in that this load according to this central processing unit adjusts in step of frequency of operation, also comprise the following steps:
Check the state of flag value;
Whether obtain the Power Management Unit register values of this central processing unit according to the state decision of this flag value;
Judge that according to this register values whether the present operating load of this central processing unit is greater than the load of frequency of operation at present; And
Adjust the frequency of operation of this central processing unit according to this load condition.
6. as the method for the carry-on digital product battery power consumption of reduction Portable as described in the claim 5, it is characterized in that: the state of this flag value be 0 or 1 one of them.
7. as the method for the carry-on digital product battery power consumption of reduction Portable as described in the claim 5, it is characterized in that: in the step of the state of this inspection flag value,, then continue to carry out this step if flag value is 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101122559A CN1622081A (en) | 2003-11-24 | 2003-11-24 | Method for reducing cell power consumption of portable digital products |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101122559A CN1622081A (en) | 2003-11-24 | 2003-11-24 | Method for reducing cell power consumption of portable digital products |
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| CN1622081A true CN1622081A (en) | 2005-06-01 |
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| CNA2003101122559A Pending CN1622081A (en) | 2003-11-24 | 2003-11-24 | Method for reducing cell power consumption of portable digital products |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751113B (en) * | 2008-10-17 | 2011-09-28 | 环旭电子股份有限公司 | Energy-saving management system and method of server |
| CN101752843B (en) * | 2008-12-10 | 2012-06-27 | 纬创资通股份有限公司 | Battery protection system of electronic device and method thereof |
| CN103226382A (en) * | 2012-01-31 | 2013-07-31 | 联想(北京)有限公司 | Application operating method and electronic device |
| US8954045B2 (en) | 2006-09-29 | 2015-02-10 | Qualcomm Incorporated | Method and apparatus for managing resources at a wireless device |
-
2003
- 2003-11-24 CN CNA2003101122559A patent/CN1622081A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8954045B2 (en) | 2006-09-29 | 2015-02-10 | Qualcomm Incorporated | Method and apparatus for managing resources at a wireless device |
| CN106445682A (en) * | 2006-09-29 | 2017-02-22 | 高通股份有限公司 | Method and apparatus for managing resources at a wireless device |
| CN101751113B (en) * | 2008-10-17 | 2011-09-28 | 环旭电子股份有限公司 | Energy-saving management system and method of server |
| CN101752843B (en) * | 2008-12-10 | 2012-06-27 | 纬创资通股份有限公司 | Battery protection system of electronic device and method thereof |
| CN103226382A (en) * | 2012-01-31 | 2013-07-31 | 联想(北京)有限公司 | Application operating method and electronic device |
| CN103226382B (en) * | 2012-01-31 | 2016-03-30 | 联想(北京)有限公司 | Application operation method and electronic equipment |
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