CN1262135C - A method for implementing plug and play of wireless communication module of mobile terminal - Google Patents
A method for implementing plug and play of wireless communication module of mobile terminal Download PDFInfo
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- CN1262135C CN1262135C CN03137711.4A CN03137711A CN1262135C CN 1262135 C CN1262135 C CN 1262135C CN 03137711 A CN03137711 A CN 03137711A CN 1262135 C CN1262135 C CN 1262135C
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Abstract
The present invention discloses a method for realizing the plug and play of a mobile terminal wireless communication module. The method comprises: 1) the mobile terminal wireless communication module is connected with a mobile terminal host machine through a communication interface circuit, communication interface connectors which are mutually corresponding are respectively arranged on the mobile terminal wireless communication module and the mobile terminal host machine; 2) the mobile terminal host machine judges whether a mobile terminal wireless communication module is inserted into the mobile terminal host machine through the communication interface connector according to whether the state of the communication interface changes; if a mobile terminal wireless communication module is inserted into the mobile terminal host machine, the mobile terminal host machine sends a command to start the mobile terminal wireless communication module through the communication interface connector, and establishes the connection between the mobile terminal host machine and a wireless communication network. The method of the present invention realizes the plug and play of the mobile terminal wireless communication module, and increases the standardization degree of the mobile terminal wireless communication module; the development cycle of the mobile terminal can be shortened, and the waste caused by a user's action of changing mobile phones can be reduced with respect to mobile phones.
Description
Technical field
The present invention relates to a kind of method that realizes portable terminal wireless communication module plug and play.
Background technology
At present, the develop rapidly of mobile communication technology is that mobile communication terminal has brought huge development space, particularly mobile phone to become new consumption hotspot especially.The implementation of mobile phone mainly contains dual mode at present:
A kind of mode is a chipset scheme whole and base band and radio circuit, and it adopts the veneer of standard or double circuit plate structure integration peripheral circuit to comprise keyboard, LCD, SIM card etc.The shortcoming of this design is that radio frequency and baseband circuit design are complicated, needs to test mobile communication function meticulously comprehensively, has increased research and development and production cost greatly, makes the R﹠D cycle prolong, and is unfavorable for releasing as early as possible new product.
The second way is with the radio communication circuit modularization, designs wireless communication module, and this module is welded on the main frame (HOST), adopts stable ripe wireless communication module to finish the encoding and decoding and the protocol stack operation of the transmitting-receiving of radio frequency, base band; And peripheral circuit comprises keyboard, LCD and SIM card etc., and they finish controlled function by main frame.This mode is used less at present in mobile phone, usually be applied to the personal information product and realize radio communication function, personal information product with radio communication function also can be called portable terminal, for example: in personal digital assistant system (PDA), wireless communication module generally is to be welded on main frame; Also have wireless communication module is designed to the monolithic printed board, connect together, but also do not support the pluggable mode of plug and play by board to board connector and main frame.Its hardware architecture is referring to Fig. 1, and Fig. 1 realizes the hardware architecture schematic diagram of radio communication function for prior art PDA.Wherein, wireless communication module 100 is finished the transmitting-receiving of radio frequency, the encoding and decoding and the protocol stack operation of base band, and its interface circuit 101 by itself links to each other with the interface circuit 111 of main frame 110; Main frame mainly is included as wireless communication module 100 provides power-supply battery 112, control interface to communicate by letter with main frame 110 other parts, finishing LCD shows, Keyboard Control, basic cell-phone function microcontroller (MCU) 113 such as management of charging and discharging, show man-machine interface, finish the loud speaker and the microphone (SPK﹠amp of LCDs (LCD) 114, output and the input audio signal of information interchange between user and the mobile phone and control activity; MIC) parts such as 115.
Realize the radio communication function software architecture among the PDA referring to Fig. 2, Fig. 2 realizes the software architecture schematic diagram of radio communication function for prior art PDA.Wireless communication module 200 is made up of software modules such as interface drive program 201, CSD agreement 202, AT command interpreter 203, ppp protocol 204, IP relaying 205, GSM/GPRS protocol stack 206, physical layers 207.
Corresponding with wireless communication module, main frame 210 is made up of software modules such as AT command handling procedure 211, IP application program 212, ICP/IP protocol 213, ppp protocol 214, interface drive programs 215.
Wherein interface drive program 201 in the wireless communication module 200 and the interface drive program 215 in the main frame 210 are corresponding in the PDA of same model.The PDA of different model can adopt different interfaces, so the PDA interface drive program of different model also can be different.
In the groundwork flow process under the above-mentioned software architecture be: during at transmission command, in host side, application program and if network interaction, at first corresponding message is encapsulated as AT order by the AT command processor, send by interface drive program again.At the wireless communication module end, module transfers actual protocol message to through AT command interpretation layer and sends to protocol stack after receiving the AT order by the interface driving.
During data, data flow drives directly in host side and wireless communication module end transparent transmission by interface in transmission, and without the processing of AT interpretation layer.The user can select CSD or GPRS to carry out the transmission of data.
(1) as selecting CSD outwards to transmit data, host side AT command handling procedure sends the AT order that requires to set up communication link by serial ports.Wireless module end AT command interpreter is handled after receiving the AT order by serial ports accordingly, and control CSD agreement is carried out being connected of data link with the GSM/GPRS agreement.After connecting, wireless module end AT command interpreter returns to the network information host side AT command handling procedure again, and AT command handling procedure just can carry out the transmission of data.
(2) as selecting GPRS outwards to transmit data, be responsible for the connection of link equally by host side AT command handling procedure, wireless module end AT command interpreter, GSM/GPRS agreement.After having connected, the transmission of data just can have been carried out.But, the transmission of data is by IP application program, ICP/IP protocol, the ppp protocol of host side, and the ppp protocol of wireless module, IP relaying are finished.
The great advantage of this design is exactly the design that only needs to revise the mobile terminal host part, avoided the design iterations of the radio frequency (RF) and the main baseband circuit of (mainly be mobile phone) in the portable terminal, shortened the R﹠D cycle, be convenient to manufacturer and release new product quickly.But the wireless communicaltion module access of at present different producers lacks standardization, therefore need be subjected to many-sided restriction when design of hardware and software.
The personal information product adopts aforesaid way to realize radio communication function usually, and the radio communication function of general personal information product is used for the wireless access the Internet.Along with the develop rapidly of Internet technology, the individual mobile terminal user can constantly increase the demand that inserts the Internet whenever and wherever possible.To satisfy dependence and the application that the user manages business to data.For the personal user, consider its mobility, therefore, wireless Internet will be obvious development trend in future.And the hand-held access device that the personal user selects, personalized with industry-specific is different, must face multifarious selection.Such as: notebook computer, PDA or the like.Brand is various, owing to do not have standardized radio access module at present, so each equipment all disposes different radio access modules, has obviously caused the waste of economy and resource.
In addition, as the main product of portable terminal, it is more and more that cell-phone function develops, and performance is more and more higher, as music more true to nature, and color screen, the design of fashion more, multimedia application or the like.These are maximum powers that the cellphone subscriber changes planes.And these also make the handset displays of above-mentioned dual mode go out a common weak point: because radio communication circuit or wireless communication module all are fixedly welded on the mobile phone, must be when the user changes mobile phone for profile or additional function with mobile phone integral body jettisoning together, that is to say in the mobile phone and can also be abandoned by reusable wireless communication module, so caused very big waste.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method that realizes portable terminal wireless communication module plug and play, can realize the plug and play of portable terminal wireless communication module, shorten the portable terminal construction cycle, reduce the waste that causes when the user changes planes.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of method that realizes portable terminal wireless communication module plug and play, this method may further comprise the steps:
1) connects by communication interface circuit between portable terminal wireless communication module and the mobile terminal host, and mutual corresponding communication interface connector is set respectively on portable terminal wireless communication module and mobile terminal host;
2) whether mobile terminal host is uprised by low according to the data set ready of communication interface, has judged whether that the portable terminal wireless communication module inserts mobile terminal host by the communication interface connector; If the insertion of portable terminal wireless communication module is arranged, then mobile terminal host sends this portable terminal wireless communication module of order startup by the communication interface connector, and foundation is connected with cordless communication network.
Wherein, this method may further include: when mobile terminal host inquires data set ready by high step-down, judge wireless communication module and extract, mobile terminal host enters idle condition.
Whether described mobile terminal host is uprised by low according to the data set ready of communication interface, judge whether that method that the portable terminal wireless communication module inserts can be the DSR signal of polling communication interface, judge whether the DSR signal changes, if the DSR signal changes, then there is the portable terminal wireless communication module to insert or extracts.
The signal of described communication interface circuit transmission can comprise: standard RS232 serial communication interface signal, power supply signal, system control signal and audio signal.
Step 2) described DSR signal whether by the low determination methods that uprises can for: read DSR signal level in the standard RS232 serial communication interface signal, and judge whether it is uprised by low.
Whether described mobile terminal host is uprised by low according to the data set ready of communication interface, judge whether method that the portable terminal wireless communication module inserts can for: judge whether the interruption that the DSR signal change triggers, if above-mentioned interruption is arranged, then there is the portable terminal wireless communication module to insert or extracts.
The signal of described communication interface circuit transmission can comprise: standard RS232 serial communication interface signal, power supply signal, system control signal and audio signal.
The method of the interruption that the described DSR of judging whether signal change triggers can for: judge whether that the DSR signal level changes the interruption that triggers in the standard RS232 serial communication interface signal.
When the DSR signal level is uprised or during by high step-down, can be produced hard an interruption respectively by low, the notice mobile terminal host has the portable terminal wireless communication module to insert or the portable terminal wireless communication module is extracted.
This method may further include: during the mobile terminal host start, read DSR signal level state; If the DSR signal level is high, then the portable terminal wireless communication module inserts, and mobile terminal host sends order by serial ports and starts this portable terminal wireless communication module, and foundation is connected with cordless communication network; If the DSR signal level is low, then mobile terminal host directly enters idle condition.
Described step 2) may further include: when the portable terminal wireless communication module inserts, the identification of shaking hands of mobile terminal host and portable terminal wireless communication module; If shake hands successfully, then mobile terminal host sends this portable terminal wireless communication module of order startup by serial ports, and foundation is connected with cordless communication network; Otherwise mobile terminal host directly enters idle condition.
Described shake hands identifying can for: the portable terminal wireless communication module sends synchronous request signal to mobile terminal host; Mobile terminal host returns the confirmation of synchronization signal and confirms after receiving this signal, asks portable terminal wireless communication module transmitting apparatus number simultaneously; The portable terminal wireless communication module is received request back Returning equipment number; Mobile terminal host receives and carries out device number identification behind this device number, after identification is correct again the Returning equipment confirmation signal confirm.
By technical scheme of the present invention as seen, the method of this realization portable terminal wireless communication module plug and play of the present invention, adopt standard communication carry out between mobile terminal host and the portable terminal wireless communication module connection with communicate by letter, realized the plug and play of portable terminal wireless communication module, improved portable terminal wireless communication module standardization level, the portable terminal construction cycle can be shortened, the waste that causes when the user changes planes can be reduced.
Description of drawings
Fig. 1 realizes the hardware architecture schematic diagram of radio communication function for prior art PDA;
Fig. 2 realizes the software architecture schematic diagram of radio communication function for prior art PDA;
Fig. 3 is the flow chart of hand-set host in the present invention's first preferred embodiment;
Fig. 4 is the flow chart of hand-set host in the present invention's second preferred embodiment.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with two preferred embodiments and accompanying drawing, the present invention is described in more detail.
Two preferred embodiments of the present invention have realized the plug and play of mobile phone wireless communication module.In the mobile phone of two preferred embodiments, all adopt Fig. 1, hardware architecture and software architecture shown in Figure 2.Wherein, what adopt in the interface circuit present embodiment in the hardware architecture is the RS232 serial communication interface of standard, also can be other communication interfaces, and is provided with the interface connector of mutual correspondence on mobile phone wireless communication module and hand-set host respectively; Accordingly, interface drive program has adopted the serial port drive program in software architecture.
Wherein, polling mode has been adopted in first preferred embodiment, DSR signal in the hand-set host poll standard RS232 serial line interface, change according to the DSR signal condition has judged whether the insertion of mobile phone wireless communication module, realized the plug and play of wireless communication module, even if hand-set host is in open state, also can identifies wireless communication module at once and insert or extract, and when wireless communication module inserts, change the network service state automatically over to.
Referring to Fig. 3, Fig. 3 is the flow chart of hand-set host in the present invention's first preferred embodiment.This flow process may further comprise the steps:
Step 301, mobile phone power-on initialization serial ports.
Step 302 reads serial ports DSR level, and judges whether to be height; If the DSR level is high, then wireless communication module inserts hand-set host by interface connector, enters step 305; If the DSR level is low, enter step 303, mobile phone enters the free time (IDLE) state.
Step 304, mobile phone supervisory programme or timing polling routine are started working, poll DSR level, when wireless communication module inserted, the DSR level was uprised by low, and mobile phones enquiring enters step 305 after this DSR level uprises; DSR kept high level after wireless communication module inserted hand-set host and begins operate as normal.
The identification of shaking hands of step 305,306,307 hand-set hosts and wireless communication module: the mobile phone wireless communication module sends synchronization request (SYNC_REQ) signal to hand-set host; Hand-set host returns confirmation of synchronization (SYNC_ACK) signal and confirms after receiving this signal, asks mobile phone wireless communication module transmitting apparatus number (ID) simultaneously; The mobile phone wireless communication module is received request back Returning equipment number; Hand-set host carries out recognition of devices after receiving this device number, after identification is correct again Returning equipment number confirm that (ID_ACK) signal confirms.If shake hands successfully, then enter step 306,307 hand-set hosts by AT order startup wireless communication module, and the beginning search network, enter normal communication state; Otherwise change step 303 over to, mobile phone enters the IDLE state, and provides the failure information of shaking hands on the hand-set host screen.
Step 308, mobile phone continue poll DSR level, and when wireless communication module was extracted, the DSR level was by high step-down, and hand-set host inquires this DSR level step-down.At this moment, wireless communication module automatic disconnection network connects, and enters step 309, and hand-set host is closed radio communication function; Change step 303 over to, mobile phone enters the IDLE state, provides corresponding information simultaneously on mobile phone screen.
" supervisory programme " in the present embodiment refers to the task or the thread of independent operating in the cell phone system, and it monitors the DSR level all the time, and with the change information notice main program of DSR level; And " regularly polling routine " refers to one section performed at set intervals in main program program, and it is inquired about the DSR level in mode regularly and knows the variation of its level.
Interrupt mode has been adopted in second preferred embodiment of the present invention, the interruption whether the hand-set host basis has the DSR signal change of serial ports to trigger, judged whether the insertion of mobile phone wireless communication module, realized the plug and play of wireless communication module equally, even if hand-set host is in open state, also can identify wireless communication module at once and insert or extract, and when wireless communication module inserts, change the network service state automatically over to.
Referring to Fig. 4, Fig. 4 is the flow chart of hand-set host in the preferred embodiment of the present invention.This flow process may further comprise the steps:
Step 401, mobile phone power-on initialization serial ports.
Step 402 reads serial ports DSR level, and judges whether to be height; If the DSR level is high, then wireless communication module inserts hand-set host by interface connector, enters step 405; If the DSR level is low, enter step 403, mobile phone enters the free time (IDLE) state.
Step 404, when wireless communication module inserted, the DSR level was uprised by low, and DSR takies the interrupt bit of CPU, and the variation of DSR level will produce a hardware interrupts like this, notify corresponding operating system module to insert mobile phone, enter step 405; DSR kept high level after wireless communication module inserted hand-set host and begins operate as normal.
The identification of shaking hands of step 405,406,407 hand-set hosts and wireless communication module: the mobile phone wireless communication module sends synchronization request (SYNC_REQ) signal to hand-set host; Hand-set host returns confirmation of synchronization (SYNC_ACK) signal and confirms after receiving this signal, asks mobile phone wireless communication module transmitting apparatus number (ID) simultaneously; The mobile phone wireless communication module is received request back Returning equipment number; Hand-set host carries out recognition of devices after receiving this device number, after identification is correct again Returning equipment number confirm that (ID_ACK) signal confirms.If shake hands successfully, then enter step 406,407 hand-set hosts by AT order startup wireless communication module, and the beginning search network, enter normal communication state; Otherwise change step 403 over to, mobile phone enters the IDLE state, and provides the failure information of shaking hands on the hand-set host screen.
Step 408, when wireless communication module was extracted, the DSR level was by high step-down, produce to interrupt, thereby operating system known wireless communication module and left hand-set host.Because the hand-set host program is after wireless communication module inserts hand-set host and begins operate as normal, CPU is revised as low level with the DSR interrupt mode and interrupts, so in case DSR becomes low level, just produce and interrupt.At this moment, wireless communication module automatic disconnection network connects, and enters step 409, and hand-set host is closed radio communication function; Change step 403 over to, mobile phone enters the IDLE state, provides corresponding information simultaneously on mobile phone screen.
Above-mentioned two embodiment realize in mobile phone, the present invention is not limited only to mobile phone, for other portable terminals, such as: notebook computer, PDA etc. adopt Fig. 1, hardware architecture and software architecture shown in Figure 2 to realize that the personal information product of radio communication is suitable equally.
By two above-mentioned embodiment as seen, the method of this realization portable terminal wireless communication module plug and play of the present invention, adopt standard communication that wireless communication module is separated with portable terminal, realized the wireless communication module plug and play, improved portable terminal wireless communication module standardization level, make a wireless communication module can be used for a plurality of different portable terminals, avoided waste.Mobile communication function separates with portable terminal like this, as long as reserve the interface of standard on portable terminal, just can at any time the portable terminal wireless communication module be inserted portable terminal, finishes communication function.When not needing to use communication function, the user can take out wireless communication module from portable terminal, do not influence other function of user's operating handset, thereby the power consumption of having saved portable terminal has improved battery life.Simultaneously, owing to saved and develop wireless communication module again, make the greatly reduction of portable terminal research and development and product cost, and shortened product development cycle, improved listing speed, satisfied the demand that the user often changes planes.
Claims (12)
1, a kind of method that realizes portable terminal wireless communication module plug and play is characterized in that, this method may further comprise the steps:
1) connects by communication interface circuit between portable terminal wireless communication module and the mobile terminal host, and mutual corresponding communication interface connector is set respectively on portable terminal wireless communication module and mobile terminal host;
2) whether mobile terminal host is uprised by low according to the data set ready of communication interface, has judged whether that the portable terminal wireless communication module inserts mobile terminal host by the communication interface connector; If the insertion of portable terminal wireless communication module is arranged, then mobile terminal host sends this portable terminal wireless communication module of order startup by the communication interface connector, and foundation is connected with cordless communication network.
2, the method for claim 1 is characterized in that, this method further comprises: when mobile terminal host inquires the device ready signal by high step-down, judge wireless communication module and extract, mobile terminal host enters idle condition.
3, the method for claim 1, it is characterized in that, whether described mobile terminal host is uprised by low according to the data set ready of communication interface, judge whether that the method that the portable terminal wireless communication module inserts is: the DSR signal of polling communication interface, judge whether the DSR signal changes, if the communication interface state changes, then there is the portable terminal wireless communication module to insert or extracts.
4, method as claimed in claim 3 is characterized in that, the signal of described communication interface circuit transmission comprises: standard RS232 serial communication interface signal, power supply signal, system control signal and audio signal.
5, method as claimed in claim 4 is characterized in that step 2) whether described DSR signal by the low determination methods that uprises be: read DSR signal level in the standard RS232 serial communication interface signal, and judge whether it is uprised by low.
6, the method for claim 1, it is characterized in that, whether described mobile terminal host is uprised by low according to the data set ready of communication interface, judge whether that the method that the portable terminal wireless communication module inserts is: judge whether the interruption that the DSR signal change triggers, if above-mentioned interruption is arranged, then there is the portable terminal wireless communication module to insert or extracts.
7, method as claimed in claim 6 is characterized in that, the signal of described communication interface circuit transmission comprises: standard RS232 serial communication interface signal, power supply signal, system control signal and audio signal.
8, method as claimed in claim 7 is characterized in that, the method for the interruption that the described DSR of judging whether signal change triggers is: judge whether that the DSR signal level changes the interruption that triggers in the standard RS232 serial communication interface signal.
9, method as claimed in claim 8, it is characterized in that: when the DSR signal level is uprised or during by high step-down by low, produce hard an interruption respectively, the notice mobile terminal host has the portable terminal wireless communication module to insert or the portable terminal wireless communication module is extracted.
10, as claim 5 or 8 described methods, it is characterized in that this method further comprises: during the mobile terminal host start, read DSR signal level state; If the DSR signal level is high, then the portable terminal wireless communication module inserts, and mobile terminal host sends order by serial ports and starts this portable terminal wireless communication module, and foundation is connected with cordless communication network; If the DSR signal level is low, then mobile terminal host directly enters idle condition.
11, the method for claim 1 is characterized in that, described step 2) further comprise: when the portable terminal wireless communication module inserts, the identification of shaking hands of mobile terminal host and portable terminal wireless communication module; If shake hands successfully, then mobile terminal host sends this portable terminal wireless communication module of order startup by serial ports, and foundation is connected with cordless communication network; Otherwise mobile terminal host directly enters idle condition.
12, method as claimed in claim 11 is characterized in that, the described identifying of shaking hands is: the portable terminal wireless communication module sends synchronous request signal to mobile terminal host; Mobile terminal host returns the confirmation of synchronization signal and confirms after receiving this signal, asks portable terminal wireless communication module transmitting apparatus number simultaneously; The portable terminal wireless communication module is received request back Returning equipment number; Mobile terminal host receives and carries out device number identification behind this device number, after identification is correct again the Returning equipment confirmation signal confirm.
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| CN03137711.4A CN1262135C (en) | 2003-06-20 | 2003-06-20 | A method for implementing plug and play of wireless communication module of mobile terminal |
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| CN03137711.4A CN1262135C (en) | 2003-06-20 | 2003-06-20 | A method for implementing plug and play of wireless communication module of mobile terminal |
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| CN1262135C true CN1262135C (en) | 2006-06-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409716B (en) * | 2008-11-25 | 2011-11-23 | 中国联合网络通信集团有限公司 | Method for matching communication velocity of wireless communication module and external application module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11343875B2 (en) * | 2017-08-18 | 2022-05-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Mobile terminal and wireless communication module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409716B (en) * | 2008-11-25 | 2011-11-23 | 中国联合网络通信集团有限公司 | Method for matching communication velocity of wireless communication module and external application module |
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Owner name: LIANXIANG (BEIJING) CO. LTD.; HUMANTEC INDUSTRIAL Free format text: FORMER OWNER: LIANXIANG (BEIJING) CO. LTD. Effective date: 20080627 |
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Effective date of registration: 20080627 Address after: No. 6, Pioneer Road, Beijing, Haidian District: 100085 Co-patentee after: LENOVO MOBILE COMMUNICATION TECHNOLOGY Ltd. Patentee after: Lenovo (Beijing) Co.,Ltd. Address before: No. 6, Pioneer Road, Haidian District information industry base, Beijing, China: 100085 Patentee before: Lenovo (Beijing) Co.,Ltd. |
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