CN101090550A - Duplex method for communication port in mobile terminal - Google Patents
Duplex method for communication port in mobile terminal Download PDFInfo
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- CN101090550A CN101090550A CNA2007101378440A CN200710137844A CN101090550A CN 101090550 A CN101090550 A CN 101090550A CN A2007101378440 A CNA2007101378440 A CN A2007101378440A CN 200710137844 A CN200710137844 A CN 200710137844A CN 101090550 A CN101090550 A CN 101090550A
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Abstract
This invention discloses a method for multiplexing communication ports in mobile terminals including: initialzing switch control signals of N-1 modem processors in N modem processors, an external connector transmits a start-up signal to one of the N modems, which changes the state of its control signal, a switch device receives switch control signals from the N-1 modem processors to connect related modems with the external connector based on the state variation of the switch control signals so as to communicate among the modem processors and the external connector. This invention also puts forward another multiplex method for communication ports in mobile terminals.
Description
Technical field
The present invention relates to moving communicating field, relate to the multiplexing method of communication port in a kind of moving communicating field particularly.
Background technology
Along with the high speed development in mobile communication technology and market, GSM (Global System forMobile Communication), CDMA (Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division MultipleAccess), WCDMA (Wideband Code Division Multiple Access) and PHS (Personal Handy-phone System) cellphone subscriber also increase rapidly year by year.Different systems or same standard but use the mobile phone of the Subscriber Identity Module of different operators; there are many differences such as the network coverage, operator's operation, business support, random zone, rate, electromagnetic field radiation, stand-by time; and the bimodulus of integrated two or three above different systems or identical standard, three moulds or multi mode terminal; combine the advantage of different systems mobile phone; the shortcoming of having evaded some single mode mobile phones; therefore more and more being subjected to user and operator welcomes; market capacity constantly enlarges, and has attracted a large amount of cellphone subscribers.Under the driving in market, increasing multi mode terminal design listing.And be to cater to user's hobby frivolous to mobile phone, newly-designed multi mode terminal, adopt little, thin to external component and parts, provide the connector of correspondence with foreign country mouth to select also mostly to be that pin is few, size is little, the device of thin thickness, and this with the integrated a plurality of processors of multi mode terminal, need provide than the more correspondence with foreign country mouth of single mode mobile phone and constitute certain contradiction with the demand of debugging with support software upgrading, test.
Summary of the invention
Consider the problems referred to above and make the present invention that therefore, main purpose of the present invention is, duplex method for communication port in a kind of portable terminal is provided.
According to duplex method for communication port in the portable terminal of the present invention, it comprises: with the Switch Control signal initialization of (N-1) the individual modem processor in N the modem processor; The modem processor of outconnector in N modem processor sent starting-up signal; A modem processor changes the state of its Switch Control signal; And switching device receives the Switch Control signal from (N-1) individual modem processor, according to the state variation of Switch Control signal with corresponding modem processor with outconnector is linked to each other, to communicate at modem processor and between to outconnector.
In the method, if Switch Control signal from existence variation in the Switch Control signal of (N-1) individual modem processor, then will with the corresponding modem processor of Switch Control signal of state variation with outconnector is linked to each other, otherwise with the modem processor outside (N-1) individual modem processor with outconnector is linked to each other.The modulation processing links to each other by external communication interface with switching device and outconnector is linked to each other by multiplex channel with switching device.
In addition, in the method, switching device is a kind of in single-pole double-throw switch (SPDT), SP3T switch and the single pole multiple throw.Wherein, single pole multiple throw is the combination of one or more single-pole double-throw switch (SPDT)s and one or more SP3T switches.
According to duplex method for communication port in another portable terminal of the present invention, it may further comprise the steps: primary processor and modem processor carry out hand shaking; The state of primary processor or modem processor configuration switch switch-over control signal, and the Switch Control signal after will setting sends to switching device; And switching device switches at primary processor with between to outconnector according to the state variation of the Switch Control signal after setting, and communicates to connect with formation.
In the method, if the state of the Switch Control signal after setting changes, then switching device switches to primary processor, so that primary processor is linked to each other with modem processor, otherwise switching device switches to outconnector, will outconnector being linked to each other with modem processor.By default, outconnector is linked to each other by switching device with modem processor.
In addition, in the method, the modulation processing links to each other by external communication interface with switching device, and primary processor links to each other by the primary processor communication interface with switching device, and outconnector is linked to each other by multiplex channel with switching device.
In addition, in the method, switching device is a single-pole double-throw switch (SPDT).
By the present invention, can reduce correspondence with foreign country connector number and external connector pin number.Simultaneously, realize mobile phone frivolous and handsome in appearance.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart that illustrates according to duplex method for communication port in the portable terminal of the embodiment of the invention;
Fig. 2 is the flow chart that illustrates according to duplex method for communication port in the portable terminal of further embodiment of this invention;
Fig. 3 shows the schematic diagram according to the processor correspondence with foreign country mouth reuse plan of two wireless modems of the present invention;
Fig. 4 shows the schematic diagram according to the processor correspondence with foreign country mouth reuse plan of three wireless modems of the present invention; And
Fig. 5 shows the processor correspondence with foreign country mouth and the schematic diagram that the outconnector port is connected with the primary processor port according to a wireless modem of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Below be major technology content of the present invention:
When the correspondence with foreign country mouth reuse plan of two processors, the aerial lug port is divided into two processor passages by one or more parallel single-pole double-throw switch (SPDT)s (quantity of parallel switch is by the line number signal decision of port), the control pin that switch switches is by the general delivery outlet control of a processor, when this processor is in off-mode, control signal is in low level, and the PERCOM peripheral communication mouth is default to be connected on another processor.Provide two pins that the starting-up signal of two wireless modems that processor is controlled is provided respectively to needing on the outconnector, if the processor of control switch starts operation, then the signal level of control switch becomes high level, the outconnector port is connected on the port of this processor.When three processor correspondence with foreign country mouths be multiplexed into same to the outconnector port on the time, then provide three pins that the starting-up signal of the corresponding wireless modem of three processors is provided respectively to also needing on the outconnector, single-pole double-throw switch (SPDT) need be replaced by the parallel group of single-pole double-throw switch (SPDT) of the parallel group of SP3T switch or 2 serials, and the control signal of switch still respectively provides a general delivery outlet control by two in three processors.And the like, more multiprocessor is multiplexing, relies on increase switch complexity or quantity to solve, and design complexities improves so certainly, still makes great efforts to avoid multiplexing.If N processor communication mouth is multiplexing, (N-1) individual processor respectively provides a control signal control single-pole double-throw switch (SPDT) or SP3T switch to switch.The correspondence with foreign country mouth adopts series connection and single-pole double-throw switch (SPDT) or SP3T switch in parallel to constitute multiplexing, paralleling switch quantity is by the line number signal decision of correspondence with foreign country mouth, and tandem tap quantity is multiplexed into same processor quantity decision to the correspondence with foreign country mouth on the outconnector port by needs.
In the multi mode terminal, when unique or other port function limitation of correspondence with foreign country mouth of the processor of certain wireless modem, the correspondence with foreign country mouth that can only select to be connected on the outconnector port is connected communication with primary processor, just takes place multiplexing once more.The correspondence with foreign country mouth of the processor of wireless modem is a two-way by the parallel component of single-pole double-throw switch (SPDT), and one the tunnel leads to the outconnector port, leads up to the primary processor port.The control of single-pole double-throw switch (SPDT), can select the processor of wireless modem, also can select primary processor, this is because before both sides communicate, can use the general input/output port of interconnection to initiate hand shaking earlier, be communicated with port again, therefore the control signal scheduling of switch is more flexible herein, and the general delivery outlet control of the processor of wireless modem is selected in suggestion for use.
The thinking of the present invention design is as follows: the system architecture of multi mode terminal generally is that a primary processor controls that other are a plurality of from processor (each is from wireless modem of processor control); the correspondence with foreign country mouth of primary processor is to guarantee; at handset program under the normal or unusual condition; the port of primary processor connects PC; all should normally be discerned; this be multi mode terminal can operate as normal, the basis of debugging, test; therefore distribute to the correspondence with foreign country mouth of primary processor; even design also is default connection primary processor with a certain multiplexing from processor.For a plurality of correspondence with foreign country mouths, generally be designed to multiplexing relation from processor.The scheme of reuse plan, need to satisfy: at a certain wireless modem design specialized communications cable, when this cable inserts outconnector, has only corresponding wireless modem start, and other functional module of mobile phone is in off-mode (guaranteeing not cause the mutual interference of radiofrequency signal), the processor of this wireless modem can be discerned by PC by this multiplexed communications mouth, so that carry out work such as program upgrade, test and debugging.
Below, will be further described technical scheme of the present invention by embodiment.
In an embodiment of the present invention, provide the multiplexing method of communication port in the portable terminal.
Fig. 1 shows the flow chart according to duplex method for communication port in the portable terminal of the inventive method.As shown in Figure 1, it comprises: step S102, with the Switch Control signal initialization of (N-1) the individual modem processor in N the modem processor; Step S104 sends starting-up signal to the modem processor of outconnector in N modem processor; Step S106, a modem processor changes the state of its Switch Control signal; And step S108, switching device receives the Switch Control signal from (N-1) individual modem processor, according to the state variation of Switch Control signal with corresponding modem processor with outconnector is linked to each other, to communicate at modem processor and between to outconnector.
In the method, if Switch Control signal from existence variation in the Switch Control signal of (N-1) individual modem processor, then will with the corresponding modem processor of Switch Control signal of state variation with outconnector is linked to each other, otherwise with the modem processor outside (N-1) individual modem processor with outconnector is linked to each other.The modulation processing links to each other by external communication interface with switching device and outconnector is linked to each other by multiplex channel with switching device.
In addition, in the method, switching device is a kind of in single-pole double-throw switch (SPDT), SP3T switch and the single pole multiple throw.Wherein, single pole multiple throw is the combination of one or more single-pole double-throw switch (SPDT)s and one or more SP3T switches.
Fig. 2 is the flow chart that illustrates according to duplex method for communication port in the portable terminal of further embodiment of this invention.As shown in Figure 2, it may further comprise the steps: step S202, and primary processor and modem processor carry out hand shaking; Step S204, the state of primary processor or modem processor configuration switch switch-over control signal, and the Switch Control signal after will setting sends to switching device; And step S206, switching device switches at primary processor with between to outconnector according to the state variation of the Switch Control signal after setting, and communicates to connect with formation.
In the method, if the state of the Switch Control signal after setting changes, then switching device switches to primary processor, so that primary processor is linked to each other with modem processor, otherwise switching device switches to outconnector, will outconnector being linked to each other with modem processor.By default, outconnector is linked to each other by switching device with modem processor.
In addition, in the method, the modulation processing links to each other by external communication interface with switching device, and primary processor links to each other by the primary processor communication interface with switching device, and outconnector is linked to each other by multiplex channel with switching device.
In addition, in the method, switching device is a single-pole double-throw switch (SPDT).
Fig. 3 shows the schematic diagram according to the processor correspondence with foreign country mouth reuse plan of two wireless modems of the present invention.As shown in Figure 3, the processor correspondence with foreign country mouth of the processor correspondence with foreign country mouth of wireless modem A and wireless modem B is multiplexing by the parallel group of single-pole double-throw switch (SPDT), is connected on the outconnector; The control signal that switch switches provides the starting-up signal of wireless modem A and B by the processor output of wireless modem A to outconnector.When the cable that is used for MODEM B insert mobile phone to outconnector on the time, MODEM B start because the Switch Control signal defaults to low level, correspondence with foreign country mouth passage by MODEM B to outconnector; When the cable that is used for MODEM A insert mobile phone to outconnector on the time, MODEM A start, its output switch control signal becomes high level, correspondence with foreign country mouth passage by default MODEM B to outconnector being changed to MODEM A to outconnector.
Fig. 4 shows the schematic diagram according to the processor correspondence with foreign country mouth reuse plan of three wireless modems of the present invention.As shown in Figure 4, three processor correspondence with foreign country mouths are multiplexing by the parallel group of the single-pole double throw of the parallel group of a SP3T switch or two series connection, are connected on the outconnector; Outconnector is provided the starting-up signal of wireless modem A, B and C.2 control signals that switch switches are by the processor output of processor and the wireless modem B of wireless modem A, provide 4 kinds of logic states: " 11 " state, control signal is high level, is default setting, the correspondence with foreign country mouth by the processor of wireless modem C to outconnector; " 01 " state, correspondence with foreign country mouth by the processor of wireless modem A to outconnector; " 10 " state, correspondence with foreign country mouth by the processor of wireless modem B to outconnector; Because synchronization can only have a cable that is exclusively used in certain wireless modem to insert in the outconnector, synchronization can only have a wireless modem start, and therefore " 00 " state is a disarmed state.
When the cable that is used for MODEM C insert mobile phone to outconnector on the time, MODEM C start because the Switch Control signal defaults to " 11 " logic state, correspondence with foreign country mouth passage by MODEM C to outconnector; When the cable that is used for MODEM A insert mobile phone to outconnector on the time, MODEM A start, its output switch control signal becomes low level, and the state of a control of switch becomes " 01 ", correspondence with foreign country mouth passage by default MODEM C to outconnector being changed to MODEMA to outconnector; When the cable that is used for MODEM B insert mobile phone to outconnector on the time, MODEM B start, its output switch control signal becomes low level, and the state of a control of switch becomes " 10 ", correspondence with foreign country mouth passage by default MODEM C to outconnector being changed to MODEMB to outconnector.
Fig. 5 shows the processor correspondence with foreign country mouth and the schematic diagram that the outconnector port is connected with the primary processor port according to a wireless modem of the present invention.As shown in Figure 5 and primary processor correspondence with foreign country mouth and multiplexing by the parallel group of single-pole double-throw switch (SPDT), be connected on the correspondence with foreign country mouth of processor of wireless modem Q the port of outconnector; The control signal that switch switches is by the processor output (also can be exported by primary processor) of wireless modem Q, and default setting is a low level, and wireless modem Q correspondence with foreign country mouth is connected with port to outconnector.When the processor of MODEM Q need initiatively be communicated by letter with primary processor, otherwise or, two processors are notified by the handshake (a plurality of general input/output port) that indicates among Fig. 5 earlier and are confirmed, when both sides perform the preparation of data communication, the Switch Control signal of the processor of MODEM Q becomes high level, switch switches, the processor correspondence with foreign country mouth of MODEM Q is changed on the port that is connected to primary processor outconnector by default being connected to, and two processor carries out data or command communication afterwards.After finishing the intercommunication task, the Switch Control signal of the processor of MODEM Q becomes low level, recovers default MODEM Q processor and is communicated to state to outconnector.Need to prove: external connector passage shown in Figure 5 also is to adopt as Fig. 3 or reuse plan shown in Figure 4 (or more multiprocessor correspondence with foreign country mouth reuse plan).
In sum, according to said method of the present invention, can reduce correspondence with foreign country connector number and external connector pin number.Simultaneously, realize mobile phone frivolous and handsome in appearance.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. duplex method for communication port in the portable terminal is characterized in that, may further comprise the steps:
Switch Control signal initialization with (N-1) the individual modem processor in N the modem processor;
The modem processor of outconnector in a described N modem processor sent starting-up signal;
A described modem processor changes the state of its Switch Control signal; And
Switching device receives the described Switch Control signal from described (N-1) individual modem processor, state variation according to described Switch Control signal links to each other with described corresponding modem processor to outconnector, with at described modem processor and describedly communicate between to outconnector.
2. duplex method for communication port according to claim 1, it is characterized in that, if the described Switch Control signal that changes from existence in the Switch Control signal of (N-1) individual modem processor, then will link to each other to outconnector with described, otherwise the modem processor outside described (N-1) individual modem processor will be linked to each other to outconnector with described with the corresponding modem processor of Switch Control signal of described state variation.
3. duplex method for communication port according to claim 1 and 2 is characterized in that, described modulation is handled and linked to each other by external communication interface with described switching device and described outconnector is linked to each other by multiplex channel with described switching device.
4. duplex method for communication port according to claim 3 is characterized in that, described switching device is a kind of in single-pole double-throw switch (SPDT), SP3T switch and the single pole multiple throw.
5. duplex method for communication port according to claim 4 is characterized in that, described single pole multiple throw is the combination of one or more described single-pole double-throw switch (SPDT)s and one or more described SP3T switches.
6. duplex method for communication port in the portable terminal is characterized in that, may further comprise the steps:
Primary processor and modem processor carry out hand shaking;
The state of described primary processor or described modem processor configuration switch switch-over control signal, and the described Switch Control signal after will setting sends to switching device; And
Described switching device, communicates to connect with formation at described primary processor with describedly switch between to outconnector according to the state variation of the described Switch Control signal after setting.
7. duplex method for communication port according to claim 6, it is characterized in that, if the state of the described Switch Control signal after setting changes, then described switching device switches to described primary processor, so that described primary processor is linked to each other with described modem processor, otherwise described switching device switches to described to outconnector, with described outconnector is linked to each other with described modem processor.
8. duplex method for communication port according to claim 6 is characterized in that, by default, described outconnector is linked to each other by described switching device with described modem processor.
9. according to each described duplex method for communication port in the claim 6 to 8, it is characterized in that, described modulation is handled and is linked to each other by external communication interface with described switching device, described primary processor links to each other by the primary processor communication interface with described switching device, and described outconnector is linked to each other by multiplex channel with described switching device.
10. duplex method for communication port according to claim 9 is characterized in that, described switching device is a single-pole double-throw switch (SPDT).
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007101378440A CN100571432C (en) | 2007-07-24 | 2007-07-24 | Duplex method for communication port in the portable terminal |
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| CNB2007101378440A CN100571432C (en) | 2007-07-24 | 2007-07-24 | Duplex method for communication port in the portable terminal |
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| CN101090550A true CN101090550A (en) | 2007-12-19 |
| CN100571432C CN100571432C (en) | 2009-12-16 |
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| CN101841419A (en) * | 2010-05-14 | 2010-09-22 | 中兴通讯股份有限公司 | Method and device for multiplexing communication port |
| CN101237650B (en) * | 2008-02-26 | 2011-01-05 | 中兴通讯股份有限公司 | A method for upgrading dual-mode mobile phone via multiplexing serial port |
| CN101668350B (en) * | 2008-09-01 | 2012-07-25 | 联想(北京)有限公司 | Mobile-terminal state-switching method and mobile terminal |
| US8271048B2 (en) | 2008-12-01 | 2012-09-18 | Lenovo (Beijing) Limited | Operation mode switching method for communication system, mobile terminal and display switching method therefor |
| CN103248446A (en) * | 2012-02-09 | 2013-08-14 | 美国博通公司 | Cascading baseband processors |
| CN101937363B (en) * | 2009-07-01 | 2013-12-25 | 联想(北京)有限公司 | Mobile terminal operating mode switching method and mobile terminal |
| CN105068950A (en) * | 2015-07-24 | 2015-11-18 | 深圳市微纳集成电路与***应用研究院 | Pin multiplexing system and method |
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| CN111522766A (en) * | 2020-04-27 | 2020-08-11 | 浙江大华技术股份有限公司 | Communication system, method, device, equipment and storage medium thereof |
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| CN101237650B (en) * | 2008-02-26 | 2011-01-05 | 中兴通讯股份有限公司 | A method for upgrading dual-mode mobile phone via multiplexing serial port |
| CN101668350B (en) * | 2008-09-01 | 2012-07-25 | 联想(北京)有限公司 | Mobile-terminal state-switching method and mobile terminal |
| US8285345B2 (en) | 2008-09-01 | 2012-10-09 | Lenovo (Beijing) Limited | Mobile terminal and method for switching states thereof |
| US8271048B2 (en) | 2008-12-01 | 2012-09-18 | Lenovo (Beijing) Limited | Operation mode switching method for communication system, mobile terminal and display switching method therefor |
| CN101754458B (en) * | 2008-12-01 | 2016-10-05 | 联想(北京)有限公司 | The Working mode switching method of communication system and mobile terminal |
| CN101937363B (en) * | 2009-07-01 | 2013-12-25 | 联想(北京)有限公司 | Mobile terminal operating mode switching method and mobile terminal |
| CN101841419A (en) * | 2010-05-14 | 2010-09-22 | 中兴通讯股份有限公司 | Method and device for multiplexing communication port |
| CN101841419B (en) * | 2010-05-14 | 2014-04-09 | 中兴通讯股份有限公司 | Method and device for multiplexing communication port |
| US9100986B2 (en) | 2012-02-09 | 2015-08-04 | Broadcom Corporation | Cascading baseband processors |
| CN103248446A (en) * | 2012-02-09 | 2013-08-14 | 美国博通公司 | Cascading baseband processors |
| US9590688B2 (en) | 2012-02-09 | 2017-03-07 | Broadcom Corporation | Cascading radio frequency circuits |
| CN105068950A (en) * | 2015-07-24 | 2015-11-18 | 深圳市微纳集成电路与***应用研究院 | Pin multiplexing system and method |
| CN108241427A (en) * | 2016-12-27 | 2018-07-03 | 天津怡商科技有限公司 | A kind of electricity saver for computer monitor |
| CN108241427B (en) * | 2016-12-27 | 2020-12-08 | 盐城易快来科技有限公司 | Power saving device for computer display |
| CN111522766A (en) * | 2020-04-27 | 2020-08-11 | 浙江大华技术股份有限公司 | Communication system, method, device, equipment and storage medium thereof |
| CN112162622A (en) * | 2020-09-28 | 2021-01-01 | 维沃移动通信有限公司 | Modem control method and device and electronic equipment |
| CN112162622B (en) * | 2020-09-28 | 2023-04-21 | 维沃移动通信有限公司 | Modem control method and device and electronic equipment |
| CN112782731A (en) * | 2020-12-14 | 2021-05-11 | 上海航天控制技术研究所 | Modularized satellite navigation receiving circuit capable of being automatically adapted |
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