CN104331350A - Method and device for debugging serial port of IC (Integrated Circuit) card electronic equipment - Google Patents
Method and device for debugging serial port of IC (Integrated Circuit) card electronic equipment Download PDFInfo
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- CN104331350A CN104331350A CN201410512486.7A CN201410512486A CN104331350A CN 104331350 A CN104331350 A CN 104331350A CN 201410512486 A CN201410512486 A CN 201410512486A CN 104331350 A CN104331350 A CN 104331350A
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Abstract
The invention provides a method and a device for debugging a serial port of IC (Integrated Circuit) card electronic equipment. The method comprises the following steps: configuring two GPIO (General Purpose Input/Output) ports reserved in an IC card interface of the electronic equipment as serial port pins; writing serial port debugging information into the electronic equipment; debugging after the electronic equipment receives the serial port debugging information and outputting debugging result information by the GPIO ports; transmitting the debugging result information to a PC (Personal Computer) end by a serial port adapting debugging plate, wherein the serial port adapting debugging plate is connected with the IC card interface and the PC end. The IC card interface of the electronic equipment is compatible and is multiplexed into the serial port; meanwhile, IC card reading-writing and serial output functions are supported; a fault problem is accurately positioned according to the output of the serial port debugging information and communication functions of other equipment are realized.
Description
Technical field
The present invention relates to electronic device field, specifically be a kind of method and device of IC-card electronic equipment AccessPort.
Background technology
The electronic equipment of prior art break down need locating query problem time, the general mode adopting serial ports to export Debugging message, problem is solved at the place being carried out localizing faults problem by output information.The mode that serial ports exports Debugging message can facilitate the problem place judging electronic equipment intuitively, but can not be applicable to all electronic equipments completely.For the electronic equipment of part miniaturization, owing to not being configured with the serial ports externally exported in addition, the mode that just cannot be exported by serial ports carries out localization of fault, for these miniaturized electronicss, once break down, due to cannot orientation problem place very well, and solution be targetedly adopted to repair, so just eliminated easily, finally cause the waste of resource.Therefore, method and device that a kind of a kind of IC-card electronic equipment AccessPort that can solve the problem very well is provided is necessary.
Summary of the invention
Technical matters to be solved by this invention is: the method and the device that provide a kind of IC-card electronic equipment AccessPort, solves prior art and cannot position failure problems and and the deficiency of other devices communicatings to not being configured with the IC-card electronic equipment externally exporting serial ports.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A method for IC-card electronic equipment AccessPort, comprising:
Two GPIO mouths reserved in the IC-card interface of electronic equipment are configured to serial ports pin;
By AccessPort information write electronic equipment;
Electronic equipment is debugged after obtaining AccessPort information, and exports debug results information by described GPIO mouth;
By serial ports switching debugging board, described debug results information is sent to PC end, described serial ports switching debugging board connects described IC-card interface and PC end.
Another technical scheme provided by the invention is:
A device for IC-card electronic equipment AccessPort, comprises the electronic equipment, serial ports switching debugging board and the PC end that are provided with IC-card interface, connects described IC-card interface and PC end by described serial ports switching debugging board; Described electronic equipment also comprises the first configuration module, writing module and debugging module;
Described first configuration module, for being configured to serial ports pin by two GPIO mouths reserved in the IC-card interface of electronic equipment;
Said write module, for electronic equipment write AccessPort information;
Described debugging module, debugs after obtaining AccessPort information, and export debug results information by described GPIO mouth for electronic equipment;
Described serial ports switching debugging board, for being sent to PC end by described debug results.
Beneficial effect of the present invention is: be different from part in prior art and be not equipped with the miniaturized electronic devices externally exporting serial ports, and serial ports output Debugging message just cannot be utilized to carry out the deficiency of the operations such as localizing faults information.The invention provides method and device that a kind of electronic equipment exports Serial Port Information, serial ports is done by the IC-card interface compatibility that common configuration had is multiplexing, just can support IC-card read-write capability and serial ports output function simultaneously, Debugging message can be exported when equipment failure by serial ports.Realize in the mini-plant not having serial interface, do not destroying on the basis of machine construction, equally can by IC-card be multiplexed into serial ports, draw Serial Port Information and export Debugging message, facilitate staff directly carry out accurate localizing faults information by Debugging message or establish a communications link with other equipment.
Accompanying drawing explanation
Fig. 1 is the basic procedure block diagram of the method for a kind of IC-card electronic equipment of one embodiment of the invention AccessPort;
Fig. 2 is that the method for a kind of IC-card electronic equipment of one embodiment of the invention AccessPort is for flow diagram during localization of fault;
Fig. 3 be the method for a kind of IC-card electronic equipment of one embodiment of the invention AccessPort for communicating time flow diagram;
Fig. 4 is the basic structure compositional block diagram of the device of a kind of IC-card electronic equipment of one embodiment of the invention AccessPort;
Fig. 5 is that the device of a kind of IC-card electronic equipment of one embodiment of the invention AccessPort is for structure compositional block diagram during localization of fault;
Fig. 6 be the device of a kind of IC-card electronic equipment of another embodiment of the present invention AccessPort for communicating time structure compositional block diagram;
Fig. 7 is the logic diagram accessing the serial ports switching debugging board of IC-card interface in the method for a kind of IC-card electronic equipment of one embodiment of the invention AccessPort and device;
Fig. 8 is the basic circuit diagram of serial ports card extender in the method for a kind of IC-card electronic equipment of one embodiment of the invention AccessPort and device;
Fig. 9 is the method for a kind of IC-card electronic equipment of one embodiment of the invention AccessPort and the process flow diagram of device.
Label declaration:
1, electronic equipment; 2, IC-card interface; 3, serial ports switching debugging board; 4, PC end;
5, the first configuration module; 6, writing module; 7, debugging module;
8, first to power on module; 9, the second configuration module; 10, scheduling module;
11, second to power on module; 12, the 3rd configuration module; 13, Path Setup module;
14, communication module.
Embodiment
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of most critical of the present invention is: the IC-card interface compatibility of electronic equipment is multiplexed into serial ports, supports IC-card read-write and serial ports output function simultaneously, realizes by the accurate localizing faults problem of the output of AccessPort information and the function with other devices communicatings.
Please refer to Fig. 1 and Fig. 8, a kind of method of IC-card electronic equipment 1 AccessPort, comprising:
Two GPIO mouths reserved in the IC-card interface 2 of electronic equipment 1 are configured to serial ports pin;
By AccessPort information write electronic equipment 1;
Electronic equipment 1 is debugged after obtaining AccessPort information, and exports debug results information by described GPIO mouth;
By serial ports switching debugging board 3, described debug results information is sent to PC end 4, described serial ports switching debugging board 3 connects described IC-card interface 2 and PC end 4.
Electronic equipment 1 is downloaded into Debugging message from USB, can debug after electronic equipment 1 obtains AccessPort information simultaneously from AccessPort plate output information.
From foregoing description, beneficial effect of the present invention is: a kind of method that the invention provides IC-card electronic equipment 1 AccessPort, serial ports is done by the IC-card interface 2 that common configuration had is compatible multiplexing, realize supporting IC-card read-write capability and serial ports output function simultaneously, just can support IC-card read-write capability and serial ports output function simultaneously, can the accurate localizing faults information of Debugging message be exported when equipment failure by serial ports or communicate with other equipment.Realize in the mini-plant not having serial interface, do not destroying on the basis of machine construction, equally can by IC-card be multiplexed into serial ports, draw Serial Port Information and export Debugging message, facilitate staff directly carry out accurate localizing faults information by Debugging message or establish a communications link with other equipment.
Further, described GPIO mouth is C4 mouth in IC-card interface 2 and C8 mouth.
Be furnished with 8 electric shocks in IC-card structure, be respectively C1 ~ C8, the signal of each output of getting an electric shock is in table 1:
Table 1
During IC-card respectively gets an electric shock, C4 and C8 is common GPIO mouth, IC-card is mainly used in and synchronously snaps in AT88SC102 (atmel corp) upper transmission I/O signal (transmission, a reception).Corresponding to mouth line Resourse Distribute, C4/C8 can be arranged to serial ports and send pin UART_TX and serial ports receives pin UART_RX, receive, send signal simultaneously meeting sync card like this, the signal of serial ports can be drawn.Simultaneously IC-card interface 2 has the VCC voltage and GND that provide 5V, so can all signals on external driving serial ports card extender needed for serial port chip.
The vibrational power flow of described serial ports switching debugging board 3 is preferably large, the equal thickness such as card, and its function inserts IC-card chassis interior, the information on deck drawn.Concrete, described serial ports switching debugging board 3 draws signal as following table 2:
Table 2
Fig. 7 is shown in by logic diagram after the IC-card interface 2 of electronic equipment 1 correspondence accesses serial ports switching debugging board 3, corresponding schematic diagram is shown in Fig. 8, in Fig. 8, the picture left above is the schematic diagram that 5V turns 3.3V part, top right plot is the connecting terminals map interlinking connecing Serial Port Line, can connect Serial Port Line by terminal to be connected with PC end 4, below is serial port chip circuit diagram.
When electronic equipment 1 breaks down time, as long as access described serial ports switching debugging board 3 at the IC-card mouth of correspondence, by serial ports switching debugging board 3, the AccessPort information that IC-card exports is sent to PC end 4.
Further, when described AccessPort information is used for localization of fault, the debug results information that described GPIO mouth exports is failure message, and described GPIO mouth exports debug results information and is sent to the PC process of 4 of holding and specifically comprises:
S1: described IC card chip powers on;
S2: to described GPIO mouth configuration serial port baud rate;
S3: the failure message that described GPIO mouth exports is sent to PC end 4 by serial ports switching debugging board 3;
S4: the failure message according to exporting is allocated the AccessPort information on described electronic equipment 1.
When electronic equipment 1 breaks down time, by debugging the software module of electronic equipment 1, export Debugging message by described AccessPort information to follow the tracks of, under the prerequisite not changing hardware machine (as tearing machine fly line access serial ports open), print Debugging message quickly and easily, improve the efficiency of fault handling.
Concrete Debugging message flow process is:
1, arranging IC card chip is power-up state, makes the AUX-C4/AUX-C8 mouth line of IC-card driving chip front end and the C4/C8 conducting of IC-card driving chip back segment, i.e. debug serial port conducting;
2, electronic equipment 1 arranges suitable serial port baud rate, and as 115200, then PC end 4 is set as the serial port baud rate consistent with electronic equipment 1, and information outputs to PC Serial Port Information and just can show out, and baud rate difference can produce mess code;
3, Debugging message is increased according to failure message in different places.
Further, when described AccessPort information is used for holding 4 to communicate with PC, described GPIO mouth exports debug results information and is sent to the PC process of 4 of holding and specifically comprises:
S10: described IC card chip powers on;
S20: to described GPIO mouth configuration serial port baud rate;
S30: the debug results information that described GPIO mouth exports is sent to PC end 4 by serial ports switching debugging board 3;
S40: set up the communication port that described PC holds 4 and electronic equipment 1;
S50: described electronic equipment 1 holds 4 to carry out communication interaction according to communication protocol and described PC.
Seen from the above description, the IC-card interface 2 of electronic equipment 1 is multiplexed into serial port resource can also be used for communicating with other equipment, as download parameters, update software etc. simultaneously.Realized and the communication connection of other equipment by serial port resource, what easily realize between data is mutual, more convenient to use.
Further, described serial ports switching debugging board 3 is driven by the supply voltage delivery outlet in described IC-card interface 2 and ground connection mouth.
By the supply voltage of 5V that provides in IC-card interface 2 and ground connection, all signals of external driving described serial ports switching needed for debugging board 3 can be realized, provide serial ports to transfer debugging board 3 power supply.
The present invention also provides another technical scheme:
A device for IC-card electronic equipment 1 AccessPort, comprises the electronic equipment 1, serial ports switching debugging board 3 and the PC end 4 that are provided with IC-card interface 2, connects described IC-card interface 2 and PC end 4 by described serial ports switching debugging board 3; Described electronic equipment 1 also comprises the first configuration module 5, writing module 6 and debugging module 7;
Described first configuration module 5, for being configured to serial ports pin by two GPIO mouths reserved in the IC-card interface 2 of electronic equipment 1;
Said write module 6, writes AccessPort information for electronic equipment 1;
Described debugging module 7, debugs after obtaining AccessPort information for electronic equipment 1, and exports debug results information by described GPIO mouth;
Described serial ports switching debugging board 3, for being sent to PC end 4 by described debug results.
From foregoing description, beneficial effect of the present invention is: the device that the invention provides a kind of IC-card electronic equipment 1 AccessPort, serial ports is done by the IC-card interface 2 that common configuration had is compatible multiplexing, realize supporting IC-card read-write capability and serial ports output function simultaneously, just can support IC-card read-write capability and serial ports output function simultaneously, can the accurate localizing faults information of Debugging message be exported when equipment failure by serial ports or communicate with other equipment.Realize in the mini-plant not having serial interface, do not destroying on the basis of machine construction, equally can by IC-card be multiplexed into serial ports, draw Serial Port Information and export Debugging message, facilitate staff directly carry out accurate localizing faults information by Debugging message or establish a communications link with other equipment.
Further, the GPIO mouth on described electronic equipment 1 is C4 and the C8 mouth in IC-card interface 2.
Further, when described AccessPort information is used for localization of fault, the debug results information that described GPIO mouth exports is failure message, and described electronic equipment 1 also comprises first and to power on module 8, second configuration module 9 and scheduling module 10;
Described first powers on module 8, powers on for described IC card chip;
Described second configuration module 9, for configuring serial port baud rate to described GPIO mouth;
Described scheduling module 10, for allocating the AccessPort information on described electronic equipment 1 according to the failure message exported.
Further, when described AccessPort information is used for holding 4 to communicate with PC, described electronic equipment 1 also comprises second and to power on module 11, the 3rd configuration module 12, Path Setup module 13 and communication module 14;
Described second powers on module 11, powers on for described IC card chip;
Described 3rd configuration module 12, for configuring serial port baud rate to described GPIO mouth;
Described Path Setup module 13, after the debug results information that described GPIO mouth exports being sent to PC end 4 by serial ports switching debugging board 3, sets up the communication port that described PC holds 4 and electronic equipment 1;
Described communication module 14, holds 4 to carry out communication interaction for described electronic equipment 1 according to communication protocol and described PC.
Further, described IC-card interface 2 comprises supply voltage delivery outlet and ground connection mouth; Described supply voltage delivery outlet and ground connection mouth are for driving described serial ports switching debugging board 3.
Please refer to Fig. 9, embodiments of the invention one are:
When POS in operating audio communication module 14 time there is data communication failure, and POS is not provided with serial ports and exports, but be equipped with IC-card interface 2.C4 and C8 mouth reserved in the IC-card interface 2 of POS is configured to serial port resource, and debugging board 3 of being transferred by serial ports inserts IC-card interface 2 place; In actual implementation process, by AccessPort information write POS, in voice communication frame receiving processing module, increase Debugging message; When carrying out abnormality test, namely mobile phone sends voice communication data, POS does not open voice communication, and it is abnormal that result occurs that POS occurs, produces hardfault and interrupt, Debugging message is increased in audio disruption service routine, by serial ports switching debugging board 3, debug results information is sent to PC end 4, analyzes at PC end 4 and print debug results information, find that the data buffer of buffered audio pulse in audio disruption is null pointer, operate null pointer, CPU produces the abnormal interruption of hardfault.According to the important Debugging message that serial ports switching debugging board 3 exports in audio disruption, analyze is that audio communication module 14 is not when opening, during POS initialization, the receive interruption of audio communication module 14 has been opened mistakenly, through amendment, the receive interruption of audio communication module 14 is closed when POS initialization, make into open receive interruption when opening audio communication module 14, afterwards, POS is recovered normal and is used.Embodiments of the invention two are:
When POS needs to carry out software upgrading, C4 and the C8 mouth on configuration IC-card interface 2 is multiplexed with serial port resource, and connects POS IC-card interface 2 and PC end 4 by serial ports switching debugging board 3; ; The serial communication mouth exported by IC-card interface 2 by serial ports switching debugging board 3 and PC hold 4 to carry out alternately; Set up the communication port that described PC holds 4 and POS; POS holds 4 to carry out communication interaction according to communication protocol and described PC.Concrete is mutual for entering POS software upgrading menu, select according to demand corresponding software carry out upgrading when PC hold 4 to upgrade the software of POS time, PC constantly sends the command frame in table 6, during POS start, whether (in 100 milliseconds) serial ports detected on debug serial port plate has the command frame receiving PC end 4 at the appointed time, if receive the data command frame of PC end 4, enter the parsing of data command frame, if do not receive the command frame of PC end 4, then POS enters to application program, be whether write FLASH order in table 6 in command frame analysis judgment, if, then write FLASH with upgrade software, response simultaneously in POS loopback table 7, PC end 4 receives the response in table 7, then obtain the binary file of upgrade software, upgrade offset address, that continues transmission table 6 writes FLASH order, until last frame.
Concrete communication data packet project sees the following form 3:
Table 3
Command unit form in data unit format is table 4:
| Project | Length | Explanation |
| CommandH | 1 byte | Order classification |
| CommandL | 1 byte | Command code |
| Parameter | Random length | Command parameter |
Table 4
Respond cell format as following table 5:
| Project | Length | Explanation |
| StatusH | 1 byte | Status code high byte |
| StatusL | 1 byte | Status code low byte |
| Parameter | Random length | Response data |
Table 5
Send write data frame in table 6:
Table 6
Write flash data response frame in table 7:
| Project | Content | Explanation |
| StatusH | 0x00 | Successful operation, other value failures |
| StatusL | 0x00 | Successful operation, other value failures |
| Parameter | Nothing |
Table 7
PC sends and writes flash (table 6) order data frame in the POS with IC-card AccessPort;
Flash (table 7) order data frame is write in POS response;
Multiframe transmission is continued until frame second from the bottom according to the data communication format in table 6 and table 7;
Flash (table 6) order data frame (last frame) is write in transmission;
Flash (table 7) order data frame is write in POS response.
In sum, the method for a kind of IC-card electronic equipment AccessPort provided by the invention and device, not only realize can exporting debug serial port information equally in the equipment not being configured with serial ports output and hold to PC; And can to the accurate location of device fault information; Further, multiplexing serial ports and the communication connection of other equipment can also be utilized, realize the renewal of software or the download of parameter.Utilization of the present invention can be good at solving not being equipped with and exports the fault-location problem of serial equipment when breaking down, and improves the efficiency of Resolving probiems, this multiplexing serial ports and miscellaneous equipment can be utilized again to realize two-way communication simultaneously.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing instructions of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a method for IC-card electronic equipment AccessPort, is characterized in that, comprising:
Two GPIO mouths reserved in the IC-card interface of electronic equipment are configured to serial ports pin;
By AccessPort information write electronic equipment;
Electronic equipment is debugged after obtaining AccessPort information, and exports debug results information by described GPIO mouth;
By serial ports switching debugging board, described debug results information is sent to PC end, described serial ports switching debugging board connects described IC-card interface and PC end.
2. the method for a kind of IC-card electronic equipment AccessPort according to claim 1, is characterized in that, described GPIO mouth is C4 mouth in IC-card interface and C8 mouth.
3. the method for a kind of IC-card electronic equipment AccessPort according to claim 1, it is characterized in that, when described AccessPort information is used for localization of fault, the debug results information that described GPIO mouth exports is failure message, and described GPIO mouth exports debug results information and specifically comprises with the process being sent to PC end:
S1: described IC card chip powers on;
S2: to described GPIO mouth configuration serial port baud rate;
S3: the failure message that described GPIO mouth exports is sent to PC end by serial ports switching debugging board;
S4: the failure message according to exporting is allocated the AccessPort information on described electronic equipment.
4. the method for a kind of IC-card electronic equipment AccessPort according to claim 1, is characterized in that, when described AccessPort information be used for hold with PC communicate time, described GPIO mouth exports debug results information and is sent to the process that PC holds and specifically comprises:
S10: described IC card chip powers on;
S20: to described GPIO mouth configuration serial port baud rate;
S30: the debug results information that described GPIO mouth exports is sent to PC end by serial ports switching debugging board;
S40: the communication port setting up described PC end and electronic equipment;
S50: described electronic equipment is held according to communication protocol and described PC and carried out communication interaction.
5. the method for a kind of IC-card electronic equipment AccessPort according to claim 1, is characterized in that, drives described serial ports switching debugging board by the supply voltage delivery outlet in described IC-card interface and ground connection mouth.
6. a device for IC-card electronic equipment AccessPort, is characterized in that, comprises the electronic equipment, serial ports switching debugging board and the PC end that are provided with IC-card interface, connects described IC-card interface and PC end by described serial ports switching debugging board; Described electronic equipment also comprises the first configuration module, writing module and debugging module;
Described first configuration module, for being configured to serial ports pin by two GPIO mouths reserved in the IC-card interface of electronic equipment;
Said write module, for electronic equipment write AccessPort information;
Described debugging module, debugs after obtaining AccessPort information, and export debug results information by described GPIO mouth for electronic equipment;
Described serial ports switching debugging board, for being sent to PC end by described debug results.
7. the device of a kind of IC-card electronic equipment AccessPort according to claim 6, is characterized in that, the GPIO mouth on described electronic equipment is C4 and the C8 mouth in IC-card interface.
8. the device of a kind of IC-card electronic equipment AccessPort according to claim 6, it is characterized in that, when described AccessPort information is used for localization of fault, the debug results information that described GPIO mouth exports is failure message, and described electronic equipment also comprises first and to power on module, the second configuration module and scheduling module;
Described first powers on module, powers on for described IC card chip;
Described second configuration module, for configuring serial port baud rate to described GPIO mouth;
Described scheduling module, for allocating the AccessPort information on described electronic equipment according to the failure message exported.
9. the device of a kind of IC-card electronic equipment AccessPort according to claim 6, it is characterized in that, when described AccessPort information be used for holding with PC communicate time, described electronic equipment also comprises second and to power on module, the 3rd configuration module, Path Setup module and communication module;
Described second powers on module, powers on for described IC card chip;
Described 3rd configuration module, for configuring serial port baud rate to described GPIO mouth;
Described Path Setup module, after the debug results information that described GPIO mouth exports being sent to PC end by serial ports switching debugging board, sets up the communication port of described PC end and electronic equipment;
Described communication module, to hold according to communication protocol and described PC for described electronic equipment and carries out communication interaction.
10. the device of a kind of IC-card electronic equipment AccessPort according to claim 6, it is characterized in that, described IC-card interface comprises supply voltage delivery outlet and ground connection mouth; Described supply voltage delivery outlet and ground connection mouth are for driving described serial ports switching debugging board.
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| CN104331350B (en) | 2017-12-08 |
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