CN100354797C - Input-output device - Google Patents

Input-output device Download PDF

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Publication number
CN100354797C
CN100354797C CNB2004100028037A CN200410002803A CN100354797C CN 100354797 C CN100354797 C CN 100354797C CN B2004100028037 A CNB2004100028037 A CN B2004100028037A CN 200410002803 A CN200410002803 A CN 200410002803A CN 100354797 C CN100354797 C CN 100354797C
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China
Prior art keywords
input
connecting portion
connector
controller
data
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Expired - Fee Related
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CNB2004100028037A
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Chinese (zh)
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CN1517836A (en
Inventor
小林孝夫
阪本隆一
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TAKASAKI COMMON COMPUTER CENTER CO Ltd
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TAKASAKI COMMON COMPUTER CENTER CO Ltd
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Abstract

To provide an input/output device which can correspond to various input/output interfaces, by using an existing portable information terminal. A center control part 2037 calls various programs and data, which are made to correspond to an attachment part 201, from a ROM so as to perform them. Thus, an instruction is given to an IF controller A. On the contrary, the various programs and data, which are made to correspond to the attachment part 201, are called from the ROM and they are performed by receiving an input/output signal from the IF controller A. (C)2004,JPO&NCIPI.

Description

Input-output unit
Technical field
The present invention relates to possess the input-output unit of memory card type IO interface.
Background technology
In the past, with America and Europe vehicle control network " CAN bus " technology that extensively adopt at the center as fieldbus (field bus), also more adopted in Japan in recent years.
Match with it, the portable information terminal that with PDA (personal digital assistant) is representative is connected with the CAN bus, carries out the technology of information communication with communication facilitiess such as car phone in the vehicle, auto-navigation system, temperature sensor, speed pickup etc. and also popularize more and more.
When PDA is connected with the CAN bus, often adopt CF card (registered trademark) mode.The CF card is that U.S. SanDisk company advocates also the specification of the mini memory card of exploitation alone.In storage card inside flash chip and control chip are housed, by the processing of this control chip, PDA etc. are familiar with it as the memory device that meets the ATA standard.
But in track test system in recent years, requirement is measured from the demand of the data of CAN bus and simulating signal more and more stronger simultaneously.Therefore, the existing mini memory card of card body must be changed, this requirement can not be adapted to for each interface.
The interface circuit identification communication agreement at PDA, the technology that also sends in patent documentation 1, have been put down in writing in accordance with the Data Receiving between communication protocol realization and external unit.
[patent documentation 1]
Japanese patent gazette spy opens 2000-4305 number
But under the situation of patent documentation 1 disclosed Vehicular information communication apparatus, owing to assembled interface circuit at device interior, the size of machine itself is inevitable very big.
Summary of the invention
The object of the present invention is to provide use existing portable information terminal, can corresponding various IO interface input-output unit.
In addition, the present invention also provides and uses existing portable information terminal, can realize from the data of CAN bus with from the simultaneously-measured input-output unit of data of other data acquisition lines (or data bus).
In order to overcome the above problems, input-output unit of the present invention comprises connection (ア Star チ メ Application ト) portion and storage card division, wherein, described connecting portion has data processing unit, described data processing unit according to and target between the IO interface deal with data; Described storage card division comprises: differentiate the judging unit of the connection classification of described connecting portion, and be connected the control module that classification carry out to be handled according to described.This input-output unit is used for the data that different IO interface obtain of passing through from described target are offered described portable data assistance, it is characterized in that described storage card division has: be used to connect card connector, memory card controller, the power-supply controller of electric of described portable data assistance, the central control part that comprises storage part and I/F controller A and I/F controller B; Described connecting portion has: adaptation unit connector, I/F driver, I/F connector, and possess according to above-mentioned IO interface and different connection classifications; The described central control part of described storage card division is judged described connection classification, and is called from described storage part the program and the data that connect classification are carried out according to the output signal from described I/F controller A or I/F controller B; Be passed to the output signal of described central control part from the device of described target side via described card connector and memory card controller, utilize the program of corresponding described connection classification and data and processed; The signal of handling in described central control part is passed to described I/F controller A or I/F controller B, and these signals are sent to each target via described connecting portion.
Described target is more than 1 or 2, with the IO interface of same target also be more than 1 or 2.
Described storage card division has the shape of L font, has the composition surface that engages with described connecting portion in its blade of a sword portion, has the 1st connector and the screw that are connected with described connecting portion on described composition surface.
The connecting portion of described input-output unit is provided with the 2nd connector and the screwing through hole that are used to embed described the 1st connector on its side.
In the above in the input-output unit of Ji Shuing, the kind of corresponding described IO interface and combination, described connection classification is also different.
Description of drawings
Fig. 1 is the block diagram that the summary of the communication system that relates to of the expression embodiment of the invention constitutes example.
Fig. 2 is the block diagram of the formation example of the expression PDA that relates to of the embodiment of the invention and input-output unit.
Fig. 3 is the input-output unit exemplary plot that the expression embodiment of the invention relates to.
Fig. 4 is the three-dimensional oblique view of the storage card division of the input-output unit that relates to of the embodiment of the invention.
Fig. 5 is the three-dimensional oblique view of the connecting portion of the input-output unit that relates to of the embodiment of the invention.
Fig. 6 is the side view of the connecting portion that relates to of the embodiment of the invention.
Embodiment
The embodiment that present invention will be described in detail with reference to the accompanying.
(1) summary construction diagram (Fig. 1) of the communication system that relates to of the embodiment of the invention
Fig. 1 is the block diagram of the communication system schematic configuration example that relates to of expression embodiments of the invention.The communication system that the embodiment of the invention relates to comprises PDA101, temperature sensor 103a, acceleration transducer 103b, voltage sensor 103c, CAN bus 105, data acquisition line (or data bus) 107a and 107b.
Describe the structure of above-mentioned communication system in detail, PDA101, temperature sensor 103a, acceleration transducer 103b, voltage sensor 103c communicate each other by CAN bus 105.Data acquisition line 107a is with PDA101 and the direct-connected telecommunication cable of temperature sensor 103a.Data acquisition line 107b is with PDA101 and the direct-connected telecommunication cable of acceleration transducer 103b.Input-output unit of the present invention can be gone up disassembled and assembled freely (do not do and illustrate) from PDA101.
Be installed in the input-output unit on the PDA101, form by mini memory card described later portion 203 (hereinafter to be referred as storage card divisions) and connecting portion 201.This input-output unit can transmit from the data of the target on the CAN bus 105 and the data that directly sent by target by data acquisition line 107a or 107b to PDA101.Therefore, the PDA101 data obtained by different IO interface of instrumentation simultaneously.
Under this occasion, target is meant temperature sensor 103a, acceleration transducer 103b, voltage sensor 103c.
(2) explanation of PDA and input-output unit (Fig. 2)
Fig. 2 is the block diagram of the configuration example of the expression PDA that relates to of the embodiment of the invention and input-output unit.The PDA101 that the embodiment of the invention relates to comprises RAM1011, ROM1013, CPU1015, hard disk (HD) 1017, communication control unit 1019, interface portion (IF portion) 1021, display 1023, keyboard 1025.
Communication control unit 1019 is not receive the communicator that sends data by doing loop line networks such as illustrated the Internet, for example can receive transmission as the packets of information basic communication unit in the internet, that be called as IP datagram.CPU1015 is the central processing unit of the whole native system of control.
ROM1013, RAM1011, HD (hard disk) the 1017th, memory storage.This memory storage has been preserved OS (operating system) and the various application program that is used for the various controls that CPU1015 carries out.IF portion 1021 is by formations such as driver that can be connected communication with external unit (keyboard 1025, display 1023) and splicing ears.
Display 1023 can show the various information that temperature sensor 103a shown in Figure 1, acceleration transducer 103b, voltage sensor 103c etc. provide, and also can show function and setting item that PDA itself has.CPU1015 carries out work according to the program that is stored among the ROM1013 according to the control signal that keyboard 1025 sends, and realizes various functions.
As shown in Figure 2, the input-output unit that relates to of the embodiment of the invention is made up of storage card division 203, connecting portion 201.Cable portion 213 is made up of various telecommunication cables, and according to the combination of IO interface and difference.
(2-1) kind of IO interface
Cable portion 213 can be can corresponding various IO interface 1 telecommunication cable, also can be can with the IO interface more than 2 kinds corresponding 1 or 2 above telecommunication cables.The concrete example of IO interface has: serial line interface (RS232C/LIN), CAN interface, simulating signal input, simulating signal output, passage input and output (comprising pulse, counter input/output function).
(2-2) structure example of the input-output unit that relates to of the embodiment of the invention
Fig. 3 is the block diagram of the input-output unit structure example that relates to of the expression embodiment of the invention.The storage card division 203 that the embodiment of the invention relates to comprises card connector 2031, storage card control part 2033, power control part 2035, central control part 2037, I/F control part B2039.Central authorities' control part 2037 comprises RAM, ROM, CPU main memory (コ ア), I/F control part A.
Card connector 2031 is that storage card division 203 and PDA101 are carried out the connecting portion that physics and logic are connected.The function that storage card control part 2033 is realized is that reception is controlled central control part 2037 from the output signal of card connector 2031, and is perhaps opposite, receives the functions such as output signal control store card connector 2031 from central control part 2037.The output signal that power control part 2035 receives from card connector 2031, each unit in storage card division 203 sends power control signal.
Central authorities' control part 2037 reads from ROM and carries out and is connected corresponding various programs of classification and data, and A sends instruction to the I/F control part.Perhaps opposite, by receiving output signal, from ROM, read and be connected corresponding various programs of classification and data from I/F control part A.
The function that I/F control part B2039 realizes is, reception is controlled central control part 2037 from the output signal of adaptation unit connector (ア ダ プ ユ ニ Star ト コ ネ Network ) 2011, perhaps opposite, receive functions such as output signal control adaptation unit connector 2011 from central control part 2037.
In addition, the connecting portion 201 that relates to of the embodiment of the invention comprises adaptation unit connector 2011, I/F drive division 2013, I/F connector 2015.I/F connector 2015 is the cable portion 213 shown in Figure 2 and the coupling part of connecting portion 201.
The function that the connecting portion 201 that the embodiment of the invention relates to is realized is, by making 2013 actions of I/F drive division, to pass to storage card division 203 by adaptation unit connector 2011 from the data that cable portion 213 transmits, perhaps opposite, will give functions such as cable portion 213 from the data transfer that adaptation unit connector 2011 transmits.
(3) processing of the input-output unit that relates to of embodiment of the invention action example
The processing action example of the input-output unit that the embodiment of the invention relates to is described with reference to Fig. 3.In the input-output unit that the embodiment of the invention relates to,, replace connecting portion 201 according to the combination of cable portion 213, promptly in the kind and the combination of the IO interface described in (2-1).Here, according to the kind of IO interface and combination and different " classifications of connecting portion " is called the connection classification.
An example of relevant connection classification is shown in following table (table 1).The port number that numeral in the table is distributed to the IO interface that is positioned at first row.
Table 1
Connect classification RS232C CAN LIN AD DA The passage input Passage output
First category 2 × × 2 2 2 2
Second classification 1 1 × 2 2 2 2
The 3rd classification 1 × 1 2 2 2 2
The 4th classification × × × 2 2 8 8
The 5th classification × × × 8 4 2 2
The I/F drive division of installing in the connecting portion 201 2013 is different and different according to connecting classification.In addition, pass to the modulation order and the signal format of the output signal (comprise data-signal and control signal, down with) of I/F control part A in the central control part 2037 or I/F control part B2039, also different because of connecting classification.
Deposited and be connected classification corresponding programs and data among the ROM of central authorities' control part 2037.With table 1 is the example explanation, when the connection classification is second classification, fetch program and data from ROM in the following order, and carry out: 1. carry out based on the program of the signal Processing of RS232C specification and data, 2. carry out, 3. carry out, 4. carry out program and data based on the signal Processing of passage input and output specification based on the program of the signal Processing of AD/DA conversion specification and data based on the program of the signal Processing of CAN specification and data.
Central authorities' control part 2037 connects classification according to differentiating from the output signal of I/F control part A or I/F control part B2039, and calls from ROM and carry out with the program and the data that connect the classification correspondence.
On the one hand, pass to the output signal of central control part 2037 by card connector 2031 and storage card control part 2033, also utilize program and the data corresponding to handle with above-mentioned connection classification by PDA101.Signal through central control part 2037 is handled passes to I/F control part A or I/F control part B2039.Pass to the signal of I/F control part A or I/F control part B2039, deliver to target by connecting portion 201.
(4) structure example of the input-output unit that relates to of the embodiment of the invention
Fig. 4 is the three-dimensional oblique view of the storage card division of the input-output unit that relates to of the embodiment of the invention.Fig. 5 is the three-dimensional oblique view of the connecting portion of the input-output unit that relates to of the embodiment of the invention.Fig. 6 is the outside drawing of the connecting portion of the input-output unit that relates to of the embodiment of the invention.
As shown in Figure 4, the storage card division 203 of the input-output unit that relates to of the embodiment of the invention is the L font.On being equivalent to the face 401 of blade of a sword portion, it is provided with screw 403 and connector 405.Connector 405 is chimeric with the connector 505 of connecting portion 201 described later, realizes the function that physics and logic are connected between storage card division 203 and the connecting portion 201.
As shown in Figure 5, on the side of the connecting portion 201 of the input-output unit that the embodiment of the invention relates to, be provided with the connector 505 that is used to embed connector 405.In addition, be provided with the through hole of screw 503 on the side of connecting portion 201, what Fig. 5 represented is the state that screw 503 passes this through hole.The input-output unit that the embodiment of the invention relates to is spirally connected by screw 503 and screw 403, fixing storage card division 203 shown in Figure 4 and connecting portion 201 shown in Figure 5.
Connecting portion 201 is prepared according to connecting classification.Fig. 5 has represented connecting portion A～connecting portion C, promptly has been equivalent to 3 kinds of connecting portions that connect classification, clearly, is not limited to these.
Fig. 6 (a) is the outside drawing of overlooking of connecting portion 201, and expression screw 503 passes upper surface 507 states of connecting portion among the figure.The head 601 of screw 503 is positioned at being provided with on the surperficial opposed surface of connector 505.With this head 601 of rotations such as screwdriver screw 503 is screwed in the screw 403.
Fig. 6 (b) is with the outside drawing that is provided with the surperficial opposed surface of connector 505. Connector 603a and 603b are the coupling parts of connecting portion 201 and cable portion 213.The input-output unit that the embodiment of the invention relates to is provided with connector (603a and 603b) to each IO interface.For example, connector 603a is the connector of CAN interface with cable, and connector 603b is the connector of LIN interface with cable.
More than, describe embodiments of the invention in detail, but apparent, the present invention is not limited to above explanation.
For example, in an embodiment of the present invention with temperature sensor, acceleration transducer, voltage sensor as target, but target is not limited in this, and is apparent, also can be other surveying instruments, electronic device and computing machine etc.
In addition, in an embodiment of the present invention, table 1 has been enumerated kind and the combination that connects the corresponding IO interface of classification with each, but apparent, is not limited in this.
In addition, in an embodiment of the present invention, connecting portion be provided with 2 with IO interface with the junction surface (connector 603a shown in Figure 6 and 603b) of cable splice, but apparent, also can be provided with more than 1 or 3.
In an embodiment of the present invention, be PDA as sensing equipment, but apparent, also can use notebook computer or other portable information terminal.
The invention effect
As mentioned above, utilize input/output unit of the present invention, can come corresponding various input/output interfaces with existing portable information terminal.
In addition, utilize input/output unit of the present invention, can also use existing portable information terminal, realize measuring to from the data of CAN bus with from the data of other data acquisition line concentrations the time.

Claims (5)

1. an input-output unit comprises connecting portion and storage card division, can freely install and be connected to with loading and unloading portable data assistance,
Described connecting portion has data processing unit, described data processing unit according to and target between the IO interface deal with data;
Described storage card division comprises: differentiate the judging unit of the connection classification of described connecting portion, and be connected the control module that classification carry out to be handled according to described;
This input-output unit is used for the data that different IO interface obtain of passing through from described target are offered described portable data assistance, it is characterized in that,
Described storage card division has: be used to connect card connector, memory card controller, the power-supply controller of electric of described portable data assistance, the central control part that comprises storage part and I/F controller A and I/F controller B;
Described connecting portion has: adaptation unit connector, I/F driver, I/F connector, and possess according to above-mentioned IO interface and different connection classifications;
The described central control part of described storage card division is judged described connection classification, and is called from described storage part the program and the data that connect classification are carried out according to the output signal from described I/F controller A or I/F controller B;
Be passed to the output signal of described central control part from the device of described target side via described card connector and memory card controller, utilize the program of corresponding described connection classification and data and processed;
The signal of handling in described central control part is passed to described I/F controller A or I/F controller B, and these signals are sent to each target via described connecting portion.
2. input-output unit as claimed in claim 1 is characterized in that,
Described target is more than 1 or 2, with the IO interface of same target also be more than 1 or 2.
3. input-output unit as claimed in claim 1 or 2 is characterized in that,
Described storage card division has the shape of L font, has the composition surface that engages with described connecting portion in its blade of a sword portion, has the 1st connector and the screw that are connected with described connecting portion on described composition surface.
4. input-output unit as claimed in claim 3 is characterized in that,
Described connecting portion is provided with the 2nd connector and the screwing through hole that is used to embed described the 1st connector on its side.
5. as each the described input-output unit in the claim 1 to 2, it is characterized in that,
The kind and the combination of corresponding described IO interface, described connection classification are also different.
CNB2004100028037A 2003-01-20 2004-01-18 Input-output device Expired - Fee Related CN100354797C (en)

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JP2003011516A JP3792201B2 (en) 2003-01-20 2003-01-20 I / O device
JP11516/2003 2003-01-20

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CN100354797C true CN100354797C (en) 2007-12-12

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2986642B1 (en) * 2012-02-06 2015-06-05 Renault Sa PROCESSING DATA OF A MOTOR VEHICLE ON AN ORDIPHONE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002005102A1 (en) * 2000-07-06 2002-01-17 Onspec Electronic, Inc. Flashtoaster for reading several types of flash memory cards with or without a pc
CN2513159Y (en) * 2001-11-23 2002-09-25 深圳市朗科科技有限公司 Micro flashing storage card with serial bus interface

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002005102A1 (en) * 2000-07-06 2002-01-17 Onspec Electronic, Inc. Flashtoaster for reading several types of flash memory cards with or without a pc
CN2513159Y (en) * 2001-11-23 2002-09-25 深圳市朗科科技有限公司 Micro flashing storage card with serial bus interface

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JP3792201B2 (en) 2006-07-05
CN1517836A (en) 2004-08-04
JP2004227087A (en) 2004-08-12

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