CN104881020A - Wireless communication method of automobile diagnosis system and automobile diagnosis system - Google Patents
Wireless communication method of automobile diagnosis system and automobile diagnosis system Download PDFInfo
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- CN104881020A CN104881020A CN201510204346.8A CN201510204346A CN104881020A CN 104881020 A CN104881020 A CN 104881020A CN 201510204346 A CN201510204346 A CN 201510204346A CN 104881020 A CN104881020 A CN 104881020A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
Abstract
The invention discloses a wireless communication method of an automobile diagnosis system. The wireless communication method includes the following steps: after an automobile diagnosis mode is started, a wireless connection passage and a wired connection passage are established between an upper computer and a lower computer; the upper computer sends a wireless communication command a wired communication command to the lower computer through the wireless connection passage and the wired connection passage at the same time; and the lower computer feeds back the selected wireless connection passage or wired connection passage to the upper computer according to a sequence of time when the wireless communication command and the wired communication command reach. The invention also discloses an automobile diagnosis system. The wireless communication method of the automobile diagnosis system and the automobile diagnosis system cam realize automatic selection of wireless communication or wired communication between the upper computer and the lower computer in the automobile diagnosis system, thereby improving the diagnosis efficiency of an automobile.
Description
Technical field
The present invention relates to automobile diagnosis technique field, particularly relate to a kind of wireless communication method and automotive diagnostic system of automotive diagnostic system.
Background technology
Automotive diagnostic system is divided into host computer and slave computer, and host computer is responsible for the interactive interface with user, and host computer has liquid crystal display display system diagnostic result and control information usually, and by mouse or touch screen control system running status.Slave computer and automobile OBD (On-Board Diagnostic, onboard diagnostic system) diagnose interface connects primary responsibility and automobile ECU (Electronic Control Unit, electronic control unit) communication, send control command and receive automobile ECU return message.Wireless telecommunications or wire communication is adopted to exchange information between host computer and slave computer.At present, selection between these two kinds of communication modes, not only needs to pre-set, and in vehicle diagnosis process, low or the unstable situation of communication of the communication speed caused due to the air interference of surrounding if find, then need wireless telecommunications to choose wire communication mode.This system of selection can only by first logging off, and then resetting communication modes is wire communication mode, then reenters system.So, the loaded down with trivial details and inefficiency of the selection operating process between wireless telecommunications and wire communication.
Foregoing, only for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
Fundamental purpose of the present invention is the wireless communication method and the automotive diagnostic system that provide a kind of automotive diagnostic system, be intended to the automatic selection realizing wireless telecommunications or wire communication between host computer and slave computer in automotive diagnostic system, to improve vehicle diagnosis efficiency.
For achieving the above object, the wireless communication method of a kind of automotive diagnostic system provided by the invention, described automotive diagnostic system comprises host computer and slave computer, and the wireless communication method of described automotive diagnostic system comprises the following steps:
After startup vehicle diagnosis pattern, between described host computer and slave computer, set up wireless connection and wired connection;
Described host computer sends wireless telecommunications order and wire communication order to described slave computer through described wireless connection and wired connection simultaneously;
The time order and function order that described slave computer arrives according to described wireless telecommunications order and wire communication order, the wireless connection selected to described host computer feedback or wired connection.
Preferably, the time order and function order that described slave computer arrives according to described wireless telecommunications order and wire communication order, the wireless connection selected to described host computer feedback or the step of wired connection comprise:
Described slave computer obtains the time point of described wireless telecommunications order and wire communication order arrival;
The time point sequencing that more described wireless telecommunications order and wire communication order arrive;
If the time point that the time point that described wireless telecommunications order arrives arrives early than described wire communication order, then to the selection of described host computer feedback is wireless connection;
If the time point that the time point that described wire communication order arrives arrives early than described wireless telecommunications order, then to the selection of described host computer feedback is wired connection.
Preferably, the step that described host computer sends wireless telecommunications order and wire communication order to described slave computer through described wireless connection and wired connection simultaneously comprises:
Sequence process is added to described wireless telecommunications order and wire communication order;
Wireless telecommunications order through adding sequence process and wire communication order are sent to described slave computer through described wireless connection and wired connection simultaneously.
Preferably, described the wireless telecommunications order through adding sequence process and wire communication order also to be comprised through described wireless connection and wired connection simultaneously after the step that described slave computer sends:
Described slave computer, according to the wireless telecommunications order through adding sequence process or wire communication order, obtains instant wireless telecommunications order or instant wire communication order;
Described instant wireless telecommunications order or instant wire communication order are disordered process, and the wireless telecommunications order processed through disordering or wire communication order are fed back to described host computer.
In addition, for achieving the above object, the present invention also proposes a kind of automotive diagnostic system, and described automotive diagnostic system comprises:
Path setting module, for after startup vehicle diagnosis pattern, sets up wireless connection and wired connection between described host computer and slave computer;
Order sending module, sends wireless telecommunications order and wire communication order to described slave computer for described host computer through described wireless connection and wired connection simultaneously;
Feedback processing modules, for the time order and function order that described slave computer arrives according to described wireless telecommunications order and wire communication order, the wireless connection selected to described host computer feedback or wired connection.
Preferably, described feedback processing modules comprises:
Time acquisition unit, obtains the time point of described wireless telecommunications order and wire communication order arrival for described slave computer;
Comparing unit, for the time point sequencing that more described wireless telecommunications order and wire communication order arrive;
First feedback unit, if the time point that the time point arrived for described wireless telecommunications order arrives early than described wire communication order, then to the wireless connection of described host computer feedback selection;
Second feedback unit, if the time point that the time point arrived for described wire communication order arrives early than described wireless telecommunications order, then to the wired connection of described host computer feedback selection.
Preferably, described order sending module comprises:
Add sequence processing unit, for adding sequence process to described wireless telecommunications order and wire communication order;
Transmitting element, for sending the wireless telecommunications order through adding sequence process and wire communication order to described slave computer through described wireless connection and wired connection simultaneously.
Preferably, described order sending module also comprises:
Command acquisition unit, for described slave computer according to the wireless telecommunications order through adding sequence process or wire communication order, obtains instant wireless telecommunications order or instant wire communication order;
Disorder processing unit, for the process that disorders to described instant wireless telecommunications order or instant wire communication order, and the wireless telecommunications order processed through disordering or wire communication order fed back to described host computer.
The wireless communication method of automotive diagnostic system provided by the invention and automotive diagnostic system, by after startup vehicle diagnosis pattern, wireless connection and wired connection is set up between described host computer and slave computer, described host computer sends wireless telecommunications order and wire communication order to described slave computer through described wireless connection and wired connection simultaneously, the time order and function order that described slave computer arrives according to described wireless telecommunications order and wire communication order, the wireless connection selected to described host computer feedback or wired connection.Like this, automotive diagnostic system, in diagnostic procedure, not only can ensure the accuracy of communication command in automotive diagnostic system, also can automatically select between wireless telecommunications path and wire communication path, so dynamically automatically select communication modes, thus improve the diagnosis efficiency of automobile.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of wireless communication method one embodiment of automotive diagnostic system of the present invention;
Fig. 2 is the signal wiring schematic diagram of automotive diagnostic system one embodiment of the present invention;
Fig. 3 is the refinement schematic flow sheet of step S103 in Fig. 1;
Fig. 4 is the refinement schematic flow sheet of an embodiment of step S102 in Fig. 1;
Fig. 5 is the refinement schematic flow sheet of another embodiment of step S102 in Fig. 1;
Fig. 6 is the high-level schematic functional block diagram of automotive diagnostic system one embodiment of the present invention;
Fig. 7 is the refinement high-level schematic functional block diagram of feedback processing modules in Fig. 6;
Fig. 8 is the refinement high-level schematic functional block diagram of order sending module one embodiment in Fig. 6;
Fig. 9 is the refinement high-level schematic functional block diagram of another embodiment of order sending module in Fig. 6.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of wireless communication method of automotive diagnostic system, with reference to Fig. 1, in one embodiment, described automotive diagnostic system comprises host computer and slave computer, and the wireless communication method of described automotive diagnostic system comprises the following steps:
Step S101, after startup vehicle diagnosis pattern, sets up wireless connection and wired connection between described host computer and slave computer;
In the present embodiment, automotive diagnostic system starts vehicle diagnosis pattern, namely sets up wireless connection and wired connection between described host computer and slave computer simultaneously.With reference to Fig. 2, wherein, host computer refers to the computing machine that directly can send manipulation order, screen shows various signal intensity (hydraulic pressure, water level, temperature etc.).Slave computer is direct opertaing device, the computing machine obtaining status of equipment, is generally programmable logic controller (PLC)/single-chip microcomputer and so on.Described host computer sends communication command to slave computer, and slave computer is construed to corresponding clock signal according to this communication command again and directly controls relevant device as automobile.Slave computer reads the status data (being generally analog quantity) of automobile frequently, and converts thereof into digital signal and feed back to host computer.In this preferred embodiment, described host computer is responsible for the interactive interface with user, and host computer has liquid crystal display display system diagnostic result and control information usually, and by mouse or touch screen control system running status.Slave computer and automobile OBD (On-Board Diagnostic, onboard diagnostic system) diagnose interface connect, primary responsibility and automobile ECU communication, send the information that communication command returns with reception automobile ECU.Wireless telecommunications or wire communication is adopted to exchange information between described host computer and slave computer.
In the present embodiment, the wireless communication mode of described automotive diagnostic system comprises the wireless communication mode such as WIFI, bluetooth, eliminates the constraint of line and avoids the loaded down with trivial details operation such as wiring and take-up.When needs moving automobile diagnostic system, as need single complete motion test function in vehicle diagnosis or read Data flow function in automobile traveling process time the most applicable employing wireless communication mode.
In the present embodiment, the wire communication mode of described automotive diagnostic system comprises as USB interface (Universal Serial Bus, USB (universal serial bus)), RJ45 network interface (Registered Jack 45, one type of various different joint, be usually used in the data transmission of network card interface) etc. wire communication mode, extraneous air interference can be got rid of.To communication speed and the high operating process of stability requirement or when can not move equipment and plug connecting line etc. in all processes of the equipment of use, write with a brush dipped in Chinese ink function as ECU or WIFI is wireless when being subject to environmental interference, be applicable to adopting wire communication mode.
Step S102, described host computer sends wireless telecommunications order and wire communication order to described slave computer through described wireless connection and wired connection simultaneously;
In the present embodiment, for described host computer, send wireless telecommunications order and wire communication order to described slave computer through described wireless connection and wired connection simultaneously.In other embodiments, described slave computer can send wireless telecommunications order and wire communication order to described host computer through described wireless connection and wired connection equally simultaneously.Described host computer or slave computer send communication signal through described wireless connection and wired connection simultaneously, and also namely wireless connections and wired connection exist simultaneously, only have and keep communication in these two connecting path communication guarantee Dynamic selection processes not stop.
In the present embodiment, after described wireless connection and wired connection are set up, also need to judge respectively the whether successful connection of two paths.If wired connection and wireless connections all connection failures, automotive diagnostic system then can report an error, and shows communication abnormality.
In the present embodiment, described automotive diagnostic system can by controlling pilot lamp outputting communication state, and communication data is passed to the main control module of host computer or slave computer, and realize carrying out between host computer and the main control module of slave computer command interaction, thus complete vehicle diagnosis function.
Step S103, the time order and function order that described slave computer arrives according to described wireless telecommunications order and wire communication order, the wireless connection selected to described host computer feedback or wired connection.
In the present embodiment, do not need to pre-set communication modes, the dynamic auto selection of these two kinds of communication modes can be completed in communication process.Such as, need to write with a brush dipped in Chinese ink communication speed and the high ECU of stability requirement or the special operational process such as antitheft time, host computer and slave computer can be connected with USB line, automotive diagnostic system just dynamic autoly can be chosen as wire communication mode, and now the communication modes pilot lamp of host computer and slave computer can show and is chosen as wire communication mode.If need in use mobile device, directly can pull out connecting line, automotive diagnostic system just dynamic autoly can be chosen as wireless communication mode, and now the communication modes pilot lamp of host computer and slave computer can show and is chosen as wireless communication mode.
Further, with reference to Fig. 3, described step S103 comprises:
Step S1031, described slave computer obtains the time point of described wireless telecommunications order and wire communication order arrival;
In the present embodiment, be understandable that, under different scenes, the time that wireless telecommunications order and wire communication order arrive described slave computer is usually different.Such as, ECU write with a brush dipped in Chinese ink or the special operational process such as antitheft time, the time point that the time point that now wire communication order arrives will arrive early than wireless telecommunications order; And narrow region use automotive diagnostic system time, to communication speed and stability requirement high, now wireless telecommunications order arrive time point will early than wire communication order arrive time point.
Step S1032, the time point sequencing that more described wireless telecommunications order and wire communication order arrive;
Step S1033, if the time point that the time point that described wireless telecommunications order arrives arrives early than described wire communication order, then to the selection of described host computer feedback is wireless connection;
In the present embodiment, the time point that the time point that described wireless telecommunications order arrives arrives early than described wire communication order, illustrates now be applicable to taking wireless connection to carry out between host computer and slave computer mutual.
Step S1034, if the time point that the time point that described wire communication order arrives arrives early than described wireless telecommunications order, then to the selection of described host computer feedback is wired connection.
In the present embodiment, the time point that the time point that described wire communication order arrives arrives early than described wireless telecommunications order, illustrates now be applicable to taking wired connection to carry out between host computer and slave computer mutual.
The wireless communication method of automotive diagnostic system provided by the invention, by after startup vehicle diagnosis pattern, wireless connection and wired connection is set up between described host computer and slave computer, described host computer sends wireless telecommunications order and wire communication order to described slave computer through described wireless connection and wired connection simultaneously, the time order and function order that described slave computer arrives according to described wireless telecommunications order and wire communication order, the wireless connection selected to described host computer feedback or wired connection.Like this, automotive diagnostic system, in diagnostic procedure, not only can ensure the accuracy of communication command in automotive diagnostic system, also can automatically select between wireless telecommunications path and wire communication path, so dynamically automatically select communication modes, thus improve the diagnosis efficiency of automobile.
In one embodiment, as shown in Figure 4, on the basis of the embodiment of above-mentioned Fig. 1, in the present embodiment, described step S102 comprises:
Step S1021, adds sequence process to described communication command;
Step S1022, sends the wireless telecommunications order through adding sequence process and wire communication order to described slave computer through described wireless connection and wired connection simultaneously.
In the present embodiment, for described host computer, described host computer is before sending communication command to described slave computer, sequence process can be added to described communication command, the wireless telecommunications order through adding sequence process and wire communication order are sent to described slave computer through described wireless connection and wired connection simultaneously.Wherein, described add sequence process can in the schedule time, the time sequencing of the communication command sent by the described host computer received or slave computer, adds sequence successively and is treated to the first wireless telecommunications order and the first wire communication order, the second wireless telecommunications order and the second wire communication order, the 3rd wireless telecommunications order and the 3rd wire communication order ...
In one embodiment, as shown in Figure 5, on the basis of the embodiment of above-mentioned Fig. 4, in the present embodiment, also comprise after described step S1022:
Step S1023, described slave computer, according to the wireless telecommunications order through adding sequence process or wire communication order, obtains instant wireless telecommunications order or instant wire communication order;
In the present embodiment, described slave computer receives wireless telecommunications order or wire communication order through adding sequence process, and therefrom selects instant wireless telecommunications order nearest in the schedule time or instant wire communication order.
Step S1024, to disorder process to described instant wireless telecommunications order or instant wire communication order, and the wireless telecommunications order processed through disordering or wire communication order is fed back to described host computer.
In the present embodiment, when described slave computer selects instant wireless telecommunications order or instant wire communication order, also need to add the instant wireless telecommunications order after sequence process through described host computer or the process that disorders is carried out in instant wire communication order, and the wireless telecommunications order processed through disordering or wire communication order are fed back to described host computer.Be understandable that, the feedback procedure of described slave computer is identical with the communication command process of transmitting of described host computer, does not repeat them here.
The present invention also provides a kind of automotive diagnostic system 1, and with reference to Fig. 6 and Fig. 2, in one embodiment, described automotive diagnostic system comprises host computer 10 and slave computer 20, and described automotive diagnostic system 1 comprises:
Path setting module 101, for after startup vehicle diagnosis pattern, sets up wireless connection and wired connection between described host computer 10 and slave computer 20;
In the present embodiment, automotive diagnostic system starts vehicle diagnosis pattern, namely sets up wireless connection and wired connection between described host computer 10 and slave computer 20 simultaneously.With reference to Fig. 2, wherein, host computer 10 refers to the computing machine that directly can send manipulation order, screen shows various signal intensity (hydraulic pressure, water level, temperature etc.).Slave computer 20 is direct opertaing device, the computing machine obtaining status of equipment, is generally programmable logic controller (PLC)/single-chip microcomputer and so on.Described host computer 10 sends communication command to slave computer 20, and slave computer 20 is construed to corresponding clock signal according to this communication command again and directly controls relevant device as automobile.Slave computer 20 reads the status data (being generally analog quantity) of automobile frequently, and converts thereof into digital signal and feed back to host computer 10.In this preferred embodiment, described host computer 10 is responsible for the interactive interface with user, and host computer 10 has liquid crystal display display system diagnostic result and control information usually, and by mouse or touch screen control system running status.Slave computer 20 and automobile OBD (On-BoardDiagnostic, onboard diagnostic system) diagnose interface connect, primary responsibility and automobile ECU communication, send the information that communication command returns with reception automobile ECU.Wireless telecommunications or wire communication is adopted to exchange information between described host computer 10 and slave computer 20.
In the present embodiment, the wireless communication mode of described automotive diagnostic system comprises the wireless communication mode such as WIFI, bluetooth, eliminates the constraint of line and avoids the loaded down with trivial details operation such as wiring and take-up.When needs moving automobile diagnostic system, as need single complete motion test function in vehicle diagnosis or read Data flow function in automobile traveling process time the most applicable employing wireless communication mode.
In the present embodiment, the wire communication mode of described automotive diagnostic system comprises as USB interface (Universal Serial Bus, USB (universal serial bus)), RJ45 network interface (Registered Jack 45, one type of various different joint, be usually used in the data transmission of network card interface) etc. wire communication mode, extraneous air interference can be got rid of.To communication speed and the high operating process of stability requirement or when can not move equipment and plug connecting line etc. in all processes of the equipment of use, write with a brush dipped in Chinese ink function as ECU or WIFI is wireless when being subject to environmental interference, be applicable to adopting wire communication mode.
Order sending module 102, sends wireless telecommunications order and wire communication order to described slave computer 20 for described host computer 10 through described wireless connection and wired connection simultaneously;
In the present embodiment, for described host computer 10, send wireless telecommunications order and wire communication order to described slave computer 20 through described wireless connection and wired connection simultaneously.In other embodiments, described slave computer 20 can send wireless telecommunications order and wire communication order to described host computer 10 through described wireless connection and wired connection equally simultaneously.Described host computer 10 or slave computer 20 send communication signal through described wireless connection and wired connection simultaneously, also namely wireless connections and wired connection exist simultaneously, only have and keep communication in these two connecting path communication guarantee Dynamic selection processes not stop.
In the present embodiment, after described wireless connection and wired connection are set up, also need to judge respectively the whether successful connection of two paths.If wired connection and wireless connections all connection failures, automotive diagnostic system then can report an error, and shows communication abnormality.
In the present embodiment, described automotive diagnostic system can by controlling pilot lamp outputting communication state, and communication data is passed to the main control module of host computer 10 or slave computer 20, and carry out command interaction between the main control module realizing host computer 10 and slave computer 20, thus complete vehicle diagnosis function.
Feedback processing modules 103, for the time order and function order that described slave computer 20 arrives according to described wireless telecommunications order and wire communication order, feeds back the wireless connection or wired connection selected to described host computer 10.
In the present embodiment, do not need to pre-set communication modes, the dynamic auto selection of these two kinds of communication modes can be completed in communication process.Such as, need to write with a brush dipped in Chinese ink communication speed and the high ECU of stability requirement or the special operational process such as antitheft time, host computer 10 and slave computer 20 can be connected with USB line, automotive diagnostic system just dynamic autoly can be chosen as wire communication mode, and now the communication modes pilot lamp of host computer 10 and slave computer 20 can show and is chosen as wire communication mode.If need in use mobile device, directly can pull out connecting line, automotive diagnostic system just dynamic autoly can be chosen as wireless communication mode, and now the communication modes pilot lamp of host computer 10 and slave computer 20 can show and is chosen as wireless communication mode.
Further, with reference to Fig. 7, in the present embodiment, described feedback processing modules 103 comprises:
Time acquisition unit 1031, obtains the time point of described wireless telecommunications order and wire communication order arrival for described slave computer 20;
In the present embodiment, be understandable that, under different scenes, the time that wireless telecommunications order and wire communication order arrive described slave computer 20 is usually different.Such as, ECU write with a brush dipped in Chinese ink or the special operational process such as antitheft time, the time point that the time point that now wire communication order arrives will arrive early than wireless telecommunications order; And narrow region use automotive diagnostic system time, to communication speed and stability requirement high, now wireless telecommunications order arrive time point will early than wire communication order arrive time point.
Comparing unit 1032, for the time point sequencing that more described wireless telecommunications order and wire communication order arrive;
First feedback unit 1033, if the time point that the time point arrived for described wireless telecommunications order arrives early than described wire communication order, then feeds back the wireless connection of selection to described host computer 10;
In the present embodiment, the time point that the time point that described wireless telecommunications order arrives arrives early than described wire communication order, illustrates now be applicable to taking wireless connection to carry out between host computer 10 and slave computer 20 mutual.
Second feedback unit 1034, if the time point that the time point arrived for described wire communication order arrives early than described wireless telecommunications order, then feeds back the wired connection of selection to described host computer 10.
In the present embodiment, the time point that the time point that described wire communication order arrives arrives early than described wireless telecommunications order, illustrates now be applicable to taking wired connection to carry out between host computer 10 and slave computer 20 mutual.
Automotive diagnostic system provided by the invention, by after startup vehicle diagnosis pattern, wireless connection and wired connection is set up between described host computer 10 and slave computer 20, described host computer 10 sends wireless telecommunications order and wire communication order to described slave computer 20 through described wireless connection and wired connection simultaneously, the time order and function order that described slave computer 20 arrives according to described wireless telecommunications order and wire communication order, feeds back the wireless connection or wired connection selected to described host computer 10.Like this, automotive diagnostic system, in diagnostic procedure, not only can ensure the accuracy of communication command in automotive diagnostic system, also can automatically select between wireless telecommunications path and wire communication path, so dynamically automatically be chosen as communication modes, thus improve the diagnosis efficiency of automobile.
In one embodiment, as shown in Figure 8, on the basis of the embodiment of above-mentioned Fig. 6, in the present embodiment, described order sending module 102 comprises:
Add sequence processing unit 1021, for adding sequence process to described wireless telecommunications order and wire communication order;
Transmitting element 1022, for sending the wireless telecommunications order through adding sequence process and wire communication order to described slave computer 20 through described wireless connection and wired connection simultaneously.
In the present embodiment, for described host computer 10, described host computer 10 is before sending communication command to described slave computer 20, sequence process can be added to described communication command, the wireless telecommunications order through adding sequence process and wire communication order are sent to described slave computer 20 through described wireless connection and wired connection simultaneously.Wherein, described add sequence process can in the schedule time, the time sequencing of the communication command sent by the described host computer 10 received or slave computer 20, adds sequence successively and is treated to the first wireless telecommunications order and the first wire communication order, the second wireless telecommunications order and the second wire communication order, the 3rd wireless telecommunications order and the 3rd wire communication order ...
In one embodiment, as shown in Figure 9, on the basis of the embodiment of above-mentioned Fig. 8, described order sending module 102 also comprises:
Command acquisition unit 1023, for described slave computer 20 according to the wireless telecommunications order through adding sequence process or wire communication order, obtains instant wireless telecommunications order or instant wire communication order;
In the present embodiment, slave computer 20 receives wireless telecommunications order through adding sequence process or wire communication order, and therefrom selects instant wireless telecommunications order nearest in the schedule time or instant wire communication order.
Disorder processing unit 1024, for the process that disorders to described instant wireless telecommunications order or instant wire communication order, and the wireless telecommunications order processed through disordering or wire communication order fed back to described host computer 10.
In the present embodiment, when slave computer 20 selects instant wireless telecommunications order or instant wire communication order, also need the instant wireless telecommunications order after adding sequence process through described host computer 10 or instant wire communication order to carry out the process that disorders, and the wireless telecommunications order processed through disordering or wire communication order are fed back to described host computer 10.Be understandable that, the feedback procedure of described slave computer 20 is identical with the communication command process of transmitting of described host computer 10, does not repeat them here.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a wireless communication method for automotive diagnostic system, is characterized in that, described automotive diagnostic system comprises host computer and slave computer, and the wireless communication method of described automotive diagnostic system comprises the following steps:
After startup vehicle diagnosis pattern, between described host computer and slave computer, set up wireless connection and wired connection;
Described host computer sends wireless telecommunications order and wire communication order to described slave computer through described wireless connection and wired connection simultaneously;
The time order and function order that described slave computer arrives according to described wireless telecommunications order and wire communication order, the wireless connection selected to described host computer feedback or wired connection.
2. the wireless communication method of automotive diagnostic system as claimed in claim 1, it is characterized in that, the time order and function order that described slave computer arrives according to described wireless telecommunications order and wire communication order, the wireless connection selected to described host computer feedback or the step of wired connection comprise:
Described slave computer obtains the time point of described wireless telecommunications order and wire communication order arrival;
The time point sequencing that more described wireless telecommunications order and wire communication order arrive;
If the time point that the time point that described wireless telecommunications order arrives arrives early than described wire communication order, then to the selection of described host computer feedback is wireless connection;
If the time point that the time point that described wire communication order arrives arrives early than described wireless telecommunications order, then to the selection of described host computer feedback is wired connection.
3. the wireless communication method of automotive diagnostic system as claimed in claim 1, is characterized in that, the step that described host computer sends wireless telecommunications order and wire communication order to described slave computer through described wireless connection and wired connection simultaneously comprises:
Sequence process is added to described wireless telecommunications order and wire communication order;
Wireless telecommunications order through adding sequence process and wire communication order are sent to described slave computer through described wireless connection and wired connection simultaneously.
4. the wireless communication method of automotive diagnostic system as claimed in claim 3, it is characterized in that, described the wireless telecommunications order through adding sequence process and wire communication order also to be comprised through described wireless connection and wired connection after the step that described slave computer sends simultaneously:
Described slave computer, according to the wireless telecommunications order through adding sequence process or wire communication order, obtains instant wireless telecommunications order or instant wire communication order;
Described instant wireless telecommunications order or instant wire communication order are disordered process, and the wireless telecommunications order processed through disordering or wire communication order are fed back to described host computer.
5. an automotive diagnostic system, is characterized in that, described automotive diagnostic system comprises:
Path setting module, for after startup vehicle diagnosis pattern, sets up wireless connection and wired connection between described host computer and slave computer;
Order sending module, sends wireless telecommunications order and wire communication order to described slave computer for described host computer through described wireless connection and wired connection simultaneously;
Feedback processing modules, for the time order and function order that described slave computer arrives according to described wireless telecommunications order and wire communication order, the wireless connection selected to described host computer feedback or wired connection.
6. automotive diagnostic system as claimed in claim 5, it is characterized in that, described feedback processing modules comprises:
Time acquisition unit, obtains the time point of described wireless telecommunications order and wire communication order arrival for described slave computer;
Comparing unit, for the time point sequencing that more described wireless telecommunications order and wire communication order arrive;
First feedback unit, if the time point that the time point arrived for described wireless telecommunications order arrives early than described wire communication order, then to the wireless connection of described host computer feedback selection;
Second feedback unit, if the time point that the time point arrived for described wire communication order arrives early than described wireless telecommunications order, then to the wired connection of described host computer feedback selection.
7. automotive diagnostic system as claimed in claim 5, it is characterized in that, described order sending module comprises:
Add sequence processing unit, for adding sequence process to described wireless telecommunications order and wire communication order;
Transmitting element, for sending the wireless telecommunications order through adding sequence process and wire communication order to described slave computer through described wireless connection and wired connection simultaneously.
8. automotive diagnostic system as claimed in claim 7, it is characterized in that, described order sending module also comprises:
Command acquisition unit, for described slave computer according to the wireless telecommunications order through adding sequence process or wire communication order, obtains instant wireless telecommunications order or instant wire communication order;
Disorder processing unit, for the process that disorders to described instant wireless telecommunications order or instant wire communication order, and the wireless telecommunications order processed through disordering or wire communication order fed back to described host computer.
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| CN201510204346.8A CN104881020A (en) | 2015-04-27 | 2015-04-27 | Wireless communication method of automobile diagnosis system and automobile diagnosis system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105120009A (en) * | 2015-09-14 | 2015-12-02 | 百度在线网络技术（北京）有限公司 | Terminal interconnection method and device |
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