CN101431241A - Method and apparatus for charging dual-core mobile phone in power-off state and processing power-on problem caused by charging - Google Patents
Method and apparatus for charging dual-core mobile phone in power-off state and processing power-on problem caused by charging Download PDFInfo
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- CN101431241A CN101431241A CNA2007100478314A CN200710047831A CN101431241A CN 101431241 A CN101431241 A CN 101431241A CN A2007100478314 A CNA2007100478314 A CN A2007100478314A CN 200710047831 A CN200710047831 A CN 200710047831A CN 101431241 A CN101431241 A CN 101431241A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a method for charging a dual-core mobile phone in a shutdown state and handling the problem of startup caused by charging. The mobile phone is equipped with a charger (6), and meanwhile, the mobile phone can also be charged by a USB wire connecting a computer (7), whereas, the allowable maximum charging currents are often different. When the mobile phone is charged in the shutdown state, the CPU in a main processor (1) is required to be started, and whether the mobile phone is charged by the charger (6) or the USB wire is judged, so as to determine the charging current; the charging rate and the equipment safety are required to be guaranteed, at the same time, friendly prompting messages and charging cartoons are required to be displayed for users, and simple and convenient operation methods are provided. The invention achieves the purpose that the charging cartoons and the prompting messages can be rapidly displayed after a dual-core windows mobile phone in the shutdown state is inserted into the charger (6) or the computer (7) connecting the USB wire, and solves the problem that the startup of the windows system is too slow; and meanwhile, the users are allowed to carry out simple operations and determine the charging current by software so as to be compatible to the processing procedure of national-standard and non-national-standard chargers (6).
Description
Technical field
The present invention relates to processing method and circuit structure that a kind of double-core windows mobile phone charges and causes thus starting shooting under off-mode.
Background technology
For the convenience of the user, a lot of mobile phones also allow by the USB line that connects computer mobile phone to be charged when being equipped with charger, and charger is often different with the maximum charging current that the USB line allows.When mobile phone charges under off-mode, need to start CPU, to current be to use the charging of charger or USB interface supply lines to judge, with the charging current that determines to use, both required to guarantee charging rate, also require the safety of assurance equipment, also need simultaneously to show friendly information, charging animation to the user, simple and convenient method of operating is provided.
Summary of the invention
The purpose of this invention is to provide a kind of realization double-core windows mobile phone charger or rear charging animation, the information of showing rapidly of USB line insertion under off-mode, allow the user to carry out easily some simple operations and also can determine charging current with the processing method of compatible GB and non-GB charger by software, and corresponding charging device.
Technical scheme of the present invention is as follows:
Cause the treating apparatus of starting shooting according to charging under a kind of dual-core mobile phone off-mode of the present invention and charging, comprise primary processor, it is responsible for operation system and application program;
Baseband chip, it is responsible for moving communication protocol stack; And battery, it is responsible for system power supply, is characterised in that:
A, at baseband chip one end, establish Power Management Unit, make primary processor, baseband chip, Power Management Unit and battery become two-way circuit to connect with serial bus successively, be responsible for powering on by baseband chip during start to primary processor;
B, at baseband chip one end, if charge controlling chip, and establish USB interface in primary processor one side, make primary processor, baseband chip, charge controlling chip and battery become two-way circuit to connect with serial bus successively, and judge by primary processor and currently to be charger or to charge by the computer terminal that connects with usb bus;
The charging supply line of C, charger for mobile phone or the USB line that is connected with computer connects battery through charge controlling chip respectively, judges that by primary processor charging source is the size of being determined again charging current behind charger or the USB by charge controlling chip;
Transmit information by UART between D, primary processor and the baseband chip, the primary processor end with the ring among the UART as wake source, as wake source, the dsr with primary processor represents oneself state to baseband chip simultaneously with the dtr in the primary processor, forms and guarantees two-way reliable communication structure.
Particularly, described charger for mobile phone comprises GB charger and non-GB charger.
Belong to same total technical conceive, cause the processing method of starting shooting according to charging under a kind of dual-core mobile phone off-mode of the present invention and charging, comprise step:
S
1, charger or computer are inserted USB interface, and cause PMU to start and judge that the voltage of battery arrives threshold value? if reach threshold value, then start baseband chip and enter the charging control flow,
S
2, baseband chip judges whether the voltage of battery reaches the threshold value that starts primary processor, if start primary processor just reach threshold value, otherwise, with low current charge until voltage reaches the threshold value that starts primary processor,
S
3, primary processor moves earlier bootloader after starting, and send expansion AT command to baseband chip, inquiry start reason, if the information that baseband chip returns is " charging causes start ", just enter the charging process flow process of primary processor end, otherwise, load Windows in internal memory, and the entry address of PC being revised as windows
S
4, primary processor enumerates mode by USB and judges and currently provide charging to determine charging current to battery with charger or the computer that inserts USB interface,
S
5, after determining the size of charging current, primary processor initializes LCD and lcd controller work, carries out screen display work, sign on the screen in display reminding information on the screen and first width of cloth pattern of charging animation then, afterwards, the primary processor end begins to carry out one section cyclic program
S
6, in each circulation, whether program checkout is received the customer requirements start and is pressed particular key, if detect the start event, then jumps out circulation, send expansion AT command to baseband chip, or check among the FIFO whether data are arranged,
S
7If, detect among the serial ports FIFO and have data, then it is read in the buffer that opens up in RAM, whether the data that reexamine among the buffer comprise complete AT instruction, if comprise the AT instruction, then press the content of AT order and carry out handling procedure, otherwise, data just kept, the data splicing that is used for and collects next time
S
8, by above-mentioned steps after the AT handling procedure is carried out or data collect finish after, according to current whether arrival upgrade motion picture time and battery and whether be full of electricity and come screen pattern is processed,
S
9, detect whether for a long time unattended, if then primary processor notice baseband chip is closed screen then, and the wake source of user's wake source ring and baseband chip is set, and enters low power consumpting state, otherwise, return S
6, again begin circulation,
S
10, if primary processor be waken up, then detect wake source, if the user wakes up, then display frame forwards S to
6, begin circulation, if baseband chip wakes up, then at first confirm to wake up reason, if battery is full, then open screen, display reminding information and picture if need not point out the user, are then closed screen.
Advantage of the present invention is not only easy to operate but also guarantee security of operation, practical.
Description of drawings
Fig. 1 is the block diagram of hardware unit of the present invention.
Fig. 2 is the embodiments of the invention flow chart.
Embodiment
Provide a preferred embodiment of the present invention below in conjunction with Fig. 1 and Fig. 2, to describe technical scheme of the present invention in detail.
In this example, have a primary processor (AP) 1 to be responsible for operation system and application program on the mobile phone, other has a baseband chip 2 to be responsible for the operation communication protocol stack.Keep being connected with the mobile network connection when the device standby for the ease of processing, PMU (PMU) 3 is connected the baseband chip end, key is also detected by baseband chip 2 ends, powers on to primary processor 1 by baseband chip 2 is responsible during start.Therefore, under off-mode, insert charger 6 or connected after the host side computer 7 by the USB line, baseband chip 2 at first powers on, and starts primary processor 1 by baseband chip 2.Because main USB correlation function realizes at primary processor 1 end, so USB interface is at primary processor 1 end, and being responsible for judging current by primary processor 1 is charger 6 chargings or computer 7 chargings of inserting USB interface.After primary processor 1 started, what judge current insertion by software approach was that charger 6 or USB line connect host side computer 7, and such method can the old non-GB charger of Compatibility.Come transmission information by global functional serial port (Full Function UART) between primary processor 1 and the baseband chip 2, primary processor 1 end is made as wake source to the ring in the global functional serial port, baseband chip 2 ends are made as wake source to the dtr of primary processor 1, dsr with primary processor 1 represents oneself state simultaneously, to guarantee both sides' reliable communications.Adopt simultaneously gradation to collect the smoothness that mode that data splice guarantees animation, avoid data to send being interrupted by other interrupt mode causing flow process to be absorbed in waiting for causing animation to stagnate.
Be generalized into ten steps as described below according to embodiment of the invention flow chart, be described as follows:
In the 1st step, charger 6 or the USB line that has connected main frame 7 insert interface, cause obtaining 5V voltage on the USB interface supply lines, and Power Management Unit 4 can judge whether current battery 5 voltages reach the startup threshold value, if reach, then start baseband chip 2, enter this flow process.
The 2nd step, baseband chip 2 reads battery 5 voltages (with reference to figure 1) by Power Management Unit 3, if voltage reaches the threshold value that starts primary processor 1 then starts primary processor 1, otherwise can only not reach the threshold value that starts primary processor 1 until voltage earlier with low current charge owing to know upper current limit.
The 3rd step can directly not enter windows operating system after primary processor 1 starts but at first moves bootloader, and this part is used internal memory in the mode of flat board, carries out in the single task mode.Primary processor 1 can send expansion AT command to baseband chip 2 by serial ports here, and inquiry start reason is if the information that baseband chip 2 ends return represents it is because charging causes start, the charging process flow process that then enters primary processor 1 end.Otherwise, load windows in internal memory, then the instruction pointer register of primary processor 1 is revised as the windows entry address.
The 4th step, primary processor 1 is enumerated mode by USB and is judged that the current charger 6 that using still is the main frame 7 of USB line connection, if can not receive usb reset interrupts, then thinking charger 6, charging current is decided to be the electric current that charger allows, is 700mA in this example, if USB line, then the size of charging current need be applied for to main frame 7 ends, is 500mA in this example, the maximum that this allows for usb protocol.If failing, the application electric current, preserves to guarantee main frame 7 end equipment with low current charge.After having determined charging current, need to send related expanding AT by serial ports and order baseband chip 2 ends, baseband chip control charging chip 4 (with reference to figure 1) charges with respective electrical stream.
In the 5th step, after the decision charging current, primary processor 1 need to initialize the work such as display and display controller, carries out the work of screen display, signs on the screen in display reminding information on the screen and first width of cloth pattern of charging animation then.Owing to can not use the file system of windows herein,, can only take to be kept on certain fixed address of nonvolatile memory or and preserve in the mode of the constant in the program so picture concerned, character string all can not be stored with document form.
Then primary processor 1 end begins to carry out one section cyclic program.Because this section program carries out outside windows operating system fully, can regard as one independently, system that practical function is very single.
In the 6th step, in each circulation, whether program checkout receives the event of customer requirements start, in this example for pressing particular key.If detect, then jump out circulation, send expansion AT command to baseband chip 2, require to open the modules such as radio frequency, in order to realize the functions such as normal conversation, note, load then windows.Otherwise check among the serial ports FIFO whether data are arranged.
The 7th step, there are data among the serial ports FIFO then read data in the buffering area of opening up in internal memory if detect, check then whether the data in the buffering area comprise complete AT order, if comprise then carry out corresponding processing program according to the content of AT order, if do not comprise then keep data, the data splicing that is used for and collects next time.
In the 8th step, data are collected and finished after (if obtain the AT order then after the AT handling procedure is carried out), whether expired to come screen pattern has been processed according to current renewal motion picture time and the battery 5 of whether having arrived.
The 9th step, whether unattendedly for a long time detect, if then primary processor 1 notice baseband chip 2 is closed screen then, the wake source that user's wake source and baseband chip 2 wake primary processor 1 up is set, enter low power consumpting state, with the quickening charging rate.Otherwise returned for the 6th step, again begin circulation.
The 10th the step, if primary processor 1 is waken up, then detect wake source, if the user wakes up, then display frame, forward to the 6th the step begin the circulation.If baseband chip 2 wakes up, then at first confirm to wake reason up, if the full screen of then opening of battery 5, display reminding information and picture, if do not need to point out user's the information curtain of then not spreading its tail, reentering low power consumpting state after handling, make this incident to user transparent.
Claims (3)
1, a kind of dual-core mobile phone off-mode descends charging and charging to cause the processing unit of starting shooting, and comprises primary processor (1), and it is responsible for operation system and application program;
Baseband chip (2), it is responsible for moving communication protocol stack; And battery (5), it is responsible for the power supply to system, is characterised in that:
A, at baseband chip (2) one ends, if Power Management Unit (3), make primary processor (1), baseband chip (2), Power Management Unit (3) and battery (5) become two-way circuit to connect with serial bus successively, be responsible for powering on by baseband chip (2) during start to primary processor (1);
B, at baseband chip (2) one ends, if charge controlling chip (4), and establish USB interface in primary processor (1) one side, make primary processor (1), baseband chip (2), charge controlling chip (4) and battery (5) become two-way circuit to connect with serial bus successively, and judge by primary processor (1) and currently to be charger (6) or to charge by the master computer that connects with usb bus (7) end;
C, charger for mobile phone (6) or the charge power supply supply line that is connected USB with computer (7) connect battery (5) through charge controlling chip (4) respectively, judge that by primary processor (1) charge power supply is to be determined the size of charging current behind charger (6) or the USB again by charge controlling chip (4);
Transmit information by UART between D, primary processor (1) and the baseband chip (2), primary processor (1) is held with the ring among the UART as wake source, baseband chip (2) with the dtr in the primary processor (1) as wake source, dsr with primary processor (1) represents oneself state simultaneously, forms to guarantee two-way reliable communication structure.
2, dual-core mobile phone off-mode according to claim 1 descends charging and charging to cause the device of starting shooting, and it is characterized in that described charger for mobile phone (6) comprises GB charger and non-GB charger.
3, a kind of dual-core mobile phone off-mode descends charging and charging to cause the processing method of starting shooting, and comprises step:
S
1, charger (6) or master computer (7) are inserted USB interface, and cause PMU (3) startup and judge that the voltage of battery (5) arrives threshold value? if reach threshold value, then start baseband chip (2) and enter the charging control flow
S
2, baseband chip (2) judges whether the voltage of battery (5) reaches the threshold value that starts primary processor (1), just start primary processor (1) if reach threshold value, otherwise, with low current charge until voltage reaches the threshold value that starts primary processor (1)
S
3, primary processor (1) moves earlier bootloader after starting, and send expansion AT command to baseband chip (2), inquiry start reason, if the information that baseband chip (2) returns is " charging causes start ", just enter the charging process flow process of primary processor (1) end, otherwise, load Windows in internal memory, and the entry address of PC being revised as windows
S
4, primary processor (1) enumerates mode by USB and judges that the current charge power supply of using is that charger (6) or master computer (7) are determined the charging current to battery (5),
S
5, after determining the size of charging current, primary processor (1) initializes LCD and lcd controller work, carry out screen display work, sign on the screen in display reminding information on the screen and first width of cloth pattern of charging animation then, afterwards, primary processor (1) end begins to carry out one section cyclic program
S
6, in each circulation, whether program checkout is received the customer requirements start and is pressed particular key, if detect the start event, then jumps out circulation, send expansion AT command to baseband chip (2), or check among the FIFO whether data are arranged,
S
7If, detect among the serial ports FIFO and have data, then it is read in the buffer that opens up in RAM, whether the data that reexamine among the buffer comprise complete AT instruction, if comprise the AT instruction, then press the content of AT order and carry out handling procedure, otherwise, data just kept, the data splicing that is used for and collects next time
S
8, by above-mentioned steps after the AT handling procedure is carried out or data collect finish after, according to current whether arrival upgrade motion picture time and battery (5) and whether be full of electricity and come screen pattern is processed,
S
9, detect whether for a long time unattended, if then primary processor (1) notice baseband chip (2) is closed screen then, and the wake source of user's wake source ring and baseband chip (2) is set, and enters low power consumpting state, otherwise, return S
6, again begin circulation,
S
10, if primary processor (1) be waken up, then detect wake source, if the user wakes up, then display frame forwards S to
6, begin circulation, if baseband chip (2) wakes up, then at first confirm to wake up reason, if battery (5) is full, then open screen, display reminding information and picture if need not point out the user, are then closed screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100478314A CN101431241B (en) | 2007-11-06 | 2007-11-06 | Method and apparatus for charging dual-core mobile phone in power-off state and processing power-on problem caused by charging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100478314A CN101431241B (en) | 2007-11-06 | 2007-11-06 | Method and apparatus for charging dual-core mobile phone in power-off state and processing power-on problem caused by charging |
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| CN101431241A true CN101431241A (en) | 2009-05-13 |
| CN101431241B CN101431241B (en) | 2013-05-15 |
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| CN2007100478314A Expired - Fee Related CN101431241B (en) | 2007-11-06 | 2007-11-06 | Method and apparatus for charging dual-core mobile phone in power-off state and processing power-on problem caused by charging |
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| CN102692984A (en) * | 2011-03-24 | 2012-09-26 | 国基电子（上海）有限公司 | Electronic device |
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