CN101354568B - Control apparatus - Google Patents
Control apparatus Download PDFInfo
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- CN101354568B CN101354568B CN2008101299532A CN200810129953A CN101354568B CN 101354568 B CN101354568 B CN 101354568B CN 2008101299532 A CN2008101299532 A CN 2008101299532A CN 200810129953 A CN200810129953 A CN 200810129953A CN 101354568 B CN101354568 B CN 101354568B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention aims to cause a control device connected with a driver as an external device to access the driver easily through uniquely identifying the driver and a driver code. The control device included in a sewing machine comprises an external storage unit provided with inherent ID information and a storage part for storing application, a USB terminal for connecting the external storage unit, a USB controller for detecting the external storage unit connected on the USB terminal, a driver code bestowing unit for bestowing the driver code to the external storage unit automatically, an access control unit for using the driver code to point out the external storage unit so as to access, a management information storing and processing part for combining and storing the ID information and the driver code, and a judging unit for judging whether the ID information is stored in the management information storing and processing part.
Description
Technical field
The present invention relates to a kind of control device that the visit of a plurality of drivers of being connected by slot is controlled.
Background technology
As the slot that connects external unit; Slot with the USB standard is that example describes; As the method that the visit between the equipment that connects via the slot of this USB standard (below be designated as the USB terminal) is controlled; Put down in writing following method: among a plurality of card slots that insert removable media, can import artificially and set 1 slot (patent documentation 1) that conducts interviews.
In addition, also put down in writing from the USB device that connects and obtain the intrinsic product IDs of USB device and vendor id and obtain the method (patent documentation 2) of driver software.
Patent documentation 1: the spy opens the 2004-272457 communique
Patent documentation 2: the spy opens the 2002-163225 communique
Summary of the invention
USB device can utilize plug and play and under the state of power connection, plug.And, in the control device that can connect a plurality of USB devices, be under the situation of External memory equipment such as memory component at these connected USB devices, carry out the distribution of the numbering (drive number) of driver with the order that connects.Thus, even identical External memory equipment (external memory unit) connects if change the order of connection once more, the drive number of then thereupon distributing to driver can change.
And; As stated; Under the state of power connection, be assigned with the external memory unit of drive number, when after the power supply of control device breaks off, connecting once more, in control device, carried out the distribution of drive number with predefined order according to the order of connection; Even External memory equipment connects all the time, also can distribute different drive numbers before and after the circuit of control device breaks off.
And; Because the access control to driver is carried out through specifying drive number; If so the drive number of distributing to driver as noted above changes, then when conducting interviews control according to drive number, changing front and back in drive number can the different driver of visit.Therefore can have problems, that is, the operator after drive number changes, must reassign drive number for predetermined driver is correctly visited when visit, become loaded down with trivial details.
And; In the program transport process that between control device and driver, carries out; Under the situation of thereby power supply disconnection former because of certain; Even control device automatically restarts to transmit operation at once behind power connection, also owing to drive number changes the problem that can't visit regulated procedure that produces.
In addition; Under the situation of usb hub with a plurality of slots and card slots; The order of a series of drive numbers that are assigned with in the decision of its device interior, but under the state of power connection these usb hubs of connection and card slots, under the situation that power supply is connected once more then; The order that produces the driver in this equipment does not change, but the problem of a series of drive number altered self.
These problems can't use above-mentioned each prior art to solve.
The objective of the invention is to, control device is through discerning driver and drive number uniquely, thus access drivers easily.
The invention of technical scheme 2 records is characterised in that in the control device of technical scheme 1 record, above-mentioned slot is the slot of USB standard,
Above-mentioned id information is the vendor id of said external storage unit or be used for connecting interface that the said external storage unit is connected with above-mentioned slot and the product IDs of this external memory unit or this connecting interface,
Above-mentioned access control unit conducts interviews to the said external storage unit based on the USB standard.
The invention of technical scheme 3 records is characterised in that in the control device of technical scheme 2 records, above-mentioned id information is included in the LUN that is provided with in said external storage unit or the above-mentioned connecting interface.
The invention of technical scheme 4 records is characterised in that; In the control device of technical scheme 1 (in any) record to 3; Above-mentioned joint detection unit; When the power connection of this control device, or when the said external storage unit is connected with above-mentioned slot behind the power connection of this control device, detect the connection of said external storage unit.
The invention of technical scheme 5 records is characterised in that; In the control device of technical scheme 1 (in any) record to 4; Above-mentioned access control unit; Initial beginning from drive number conducts interviews to the said external storage unit in order, to be stored in can visit and said external storage unit that drive number is minimum in process priority conduct interviews.
The invention of technical scheme 6 record is characterised in that, in the control device of technical scheme 1 (in any) record to 5, and memory storage, it is stored in the bootstrap loader carried out when starting and carries out the application program that carry out the back at this bootstrap loader; And
Treating apparatus, it carries out above-mentioned bootstrap loader and above-mentioned application program,
Above-mentioned bootstrap loader and above-mentioned application program; Comprise and make above-mentioned treating apparatus give unit, above-mentioned access control unit and the acting processing of above-mentioned judging unit as above-mentioned drive number; Simultaneously; In above-mentioned bootstrap loader and the above-mentioned application program any carried out above-mentionedly when respectively handling, and shares above-mentioned management information memory cell and carries out reference.
The invention of technical scheme 7 record is characterised in that, in the control device of technical scheme 1 (in to 6 any) record, above-mentioned control device is the control device of sewing machine,
The said external storage unit is the external memory unit to the needed information of control of the above-mentioned sewing machine of control device transmission/reception of above-mentioned sewing machine.
The effect of invention
According to the invention of technical scheme 1 record, with the connection once more of the power supply of the order of connection of said external equipment in the power connection of above-mentioned control device or this opertaing device irrespectively, each external unit is distributed intrinsic drive number.Therefore, need be when visit particular outer equipment from new appointment drive number, operability improves.
In addition; In the program transport process that between above-mentioned control device and said external equipment, carries out; Even owing under the situation of cutting off the electricity supply, also after the connection once more of power supply, dump drive number is before fixed because of certain reason; So this control device can automatically restart to visit regulated procedure, convenience improves.In addition, prevent driver selection mistake, improve reliability.
According to the invention of technical scheme 2 records, through using the slot of USB standard, conduct interviews, thereby need not develop special-purpose above-mentioned slot and said external equipment based on the USB standard, the cost of introducing above-mentioned slot and said external equipment is descended.
In addition, owing to can directly be utilized in the external unit of widely used various support USB on the market, so the acquired raising of said external equipment.
And then, owing to utilize vendor id that external unit has, product IDs,, the cost of introducing id information is descended so can not need add special-purpose id information as above-mentioned id information.
Invention according to technical scheme 3 records; Owing to utilize vendor id, product IDs and LUN that external unit has as above-mentioned id information; Even so at the external unit that will not have above-mentioned id information via under above-mentioned connecting interface and the situation that the slot of USB standard is connected; Vendor id, the product IDs that also can utilize above-mentioned connecting interface to have, thus even not having the external unit of above-mentioned id information also can utilize, further improve convenience.
And then; Can connect at above-mentioned connecting interface under the situation of a plurality of external units; Since with a plurality of external units that above-mentioned connecting interface is connected in, to each external unit distribution different logical unit number, so even with under a plurality of external units that do not have an above-mentioned id information and the situation that connecting interface is connected; Also can intrinsic id information be set, further improve convenience each external unit.
Invention according to technical scheme 4 records; Through when the above-mentioned control device energized, or at said external equipment behind the power connection when above-mentioned slot connects; Detect the connection of said external equipment; Thereby before distributed the external unit of intrinsic drive number and distributed under the situation of energized under the state that the new external unit of new drive number mixes; Through not replacing drive number, simultaneously new driver is distributed intrinsic drive number, thereby improve convenience drive access.
In addition, have at control device under the situation of a plurality of slots, even, also can not replace drive number, so improve convenience drive access owing to change under the situation of other slots at the slot that will connect particular outer equipment.
Invention according to technical scheme 5 records; Owing to the external memory program stored that can visit is preferentially conducted interviews from initial beginning of drive number; So under the situation that connects a plurality of External memory equipments; The external memory of specific priority access easily, convenience improves.
Invention according to technical scheme 6 records; Because under the situation of any in carrying out above-mentioned bootstrap loader and application program; All can be with reference to the management of the driver in above-mentioned management information memory cell information; The above-mentioned driver management information of utilizing when thereby any of bootstrap loader or application program carried out, store the drive number that external memory is given also can be utilized by another device, so convenience improves.
According to the invention of technical scheme 7 record, owing in the control device of sewing machine, use external memory, the convenience the during renewal that can improve the various programs of utilizing in the sewing machine.
In addition, can this complex operations of the selection of the above-mentioned drive number that be of little use, that distribute to said external equipment in the related operation of sewing machine be simplified the high efficiency of the operation that can realize being undertaken by sewing machine.
Description of drawings
Fig. 1 is the block diagram that the sewing machine 100 of the related control device 10 of embodiment of the present invention is carried in expression.
Fig. 2 comprises that control device 10 reaches the functional block diagram of the structure that is associated with its control.
Fig. 3 is the data configuration figure of the management information of storage in the management information stores processor portion 53.
Fig. 4 is the figure of the input and display device 5 that shows of the picture of expression when reminding the operator to connect external memory unit.
Fig. 5 is illustrated on the control device 10 process flow diagram that the processing of giving drive number when connecting external memory unit and application program update are handled.
Fig. 6 is that expression is given the sub-process figure of the processing of drive number to USB device.
Fig. 7 is the sub-process figure of updating file designated treatment of the USB device of expression designated store application program.
Embodiment
(carrying the sewing machine of control device)
Below, the embodiment that present invention will be described in detail with reference to the accompanying.
Sewing machine 100 for carrying the related control device 10 of embodiment of the present invention describes in Fig. 1.
In addition; Above-mentioned a plurality of USB terminal 16a, 16b are last, connect the USB storage 20 of storing various programs and data respectively renewablely, connect card reader simultaneously; This card reader has can insert compact flash (CompactFlash) (registered trademark; Be designated as CF below) 41 CF slot 31, can insert the SM slot 32 of SmartMedia (registered trademark is designated as SM below) 42 and can insert the SD slot 33 of SD storage card (SD Memory Card) (registered trademark is designated as SD below) 43.Above-mentioned CF 41, SM 42 and SD43 are the storage cards of storing various programs and data renewablely.
In addition, control device 10 is connected with following parts: sewing machine electromotor 1, and it is installed on the sewing machine 100 as controlling object, makes not shown main axis rotation; Scrambler 2, it detects the rotating speed of main shaft; And cloth mobile device 3, it keeps the not shown thing of making, and makes to make thing and at the cloth of sewing machine 100 face upper edge general horizontal direction is set and moves.
Cloth mobile device 3 has: X axle motor 3a, and it makes makes thing and is provided with on the face to a specific direction (X-direction) action above-mentioned; Y axle motor 3b, its make make thing above-mentioned be provided with on the face to a specific direction (Y direction) action of X-direction quadrature; And origin sensor 3c, 3d, its each motor 3a to X-direction and Y direction, 3b detect the initial point of regulation.
In addition, control device 10 is connected with input and display device 5, and this input and display device 5 shows the various information of sewing machine 100 and control device 10, simultaneously as the interface of carrying out various input operations by the operator.
(USB storage)
USB storage 20 has: storage part 21, and its renewable ground application storing and stitch data etc., this application program is the exercises of control sewing machine 100 and the program of making operation; Storage part, its storage is as " intrinsic id information " the acting vendor id 22 and the product IDs 23 of USB storage 20, and they are stored in the USB storage 20 non-renewablely, thus USB storage 20 works as " external memory unit ".
(card reader and various storage card)
Above-mentioned CF 41, SM 42 and SD 43 have the storage part of application storing and stitch data etc. respectively.
In addition; Through with CF 41, SM 42 and SD 43 respectively through based on various criterion, the CF slot 31 as dedicated slot, SM slot 32, SD slot 33; Insert in the card reader 30, thereby be connected with the USB terminal 11 of control device 10 via card reader 30 and usb hub 16.
In addition, CF 41, SM 42 and SD 43 do not have fixing id information.
Card reader 30 has nonupdatable vendor id 34 and product IDs 35, and they work as " the intrinsic id information " of the various storage cards that insert card reader.In addition, insert CF slot 31, SM slot 32, the SD slot 33 of various storage cards, have respectively as " intrinsic id information " acting nonupdatable LUN (below be designated as LUN) 31a, 31b, 31c.
(various id information)
Various id informations here are described.
Vendor id is to have the id information that enterprise, group or individual's etc. the producer of external unit of the USB standard of this vendor id gives respectively by manufacturing.That is, this external unit of being made by different production person has different separately vendor ids, and a plurality of these external units of being made by the identical producer have identical vendor id.In addition, vendor id is 16 an ID numbering.
Product IDs is a plurality of these external units of being made by the identical producer for above-mentioned, the id information of respectively each this external unit being given.That is, the vendor id of a plurality of these external units of being made by the identical producer is identical, but product IDs is different.In addition, product IDs is 16 an ID numbering.
That is, making under USB storage 20 situation identical with the producer of card reader 30, vendor id 22 is identical with vendor id 34, but product IDs 23 is different with product IDs 35.In addition, under producer's condition of different, vendor id 22 is different with vendor id 34.
In addition, under vendor id 22 and vendor id 34 condition of different, there are identical situation of product IDs and condition of different.Because vendor id 22 is all different with vendor id 34 in any case, so USB storage 20 is different id informations with the id information separately that card reader 30 is had.
Be connected with a plurality of external units via connecting interface (for example card reader 30); And this connecting interface with respect to an interface (for example USB terminal) can via be connected with the interface (for example CF slot 31, SM slot 32 and SD slot 33) of this interface various criterion a plurality of external units situation under, LUN is the intrinsic numerical value that control device is given in order to discern a plurality of external units respectively.
Usually LUN gives different numerical value respectively for a plurality of slots (for example CF slot 31, SM slot 32 and SD slot 33), and this numerical value is the round values of arranging since 1.In the present embodiment,, give " 1 ", give " 2 ", the SC slot is given the value of " 3 " the SM slot to the CF slot as LUN separately.
Promptly; In the time of in the CF slot 31 that inserts card reader 30 as CF 41, SM 42 and the SD 43 of various storage cards, SM slot 32, SD slot 33; The CF 41, SM 42 and the SD 43 that are connected with USB terminal 16b; The LUN 31a, 31b, the 31c that utilize vendor id 34 that card reader 30 had and product IDs 35 and CF slot 31, SM slot 32, SD slot 33 to have respectively; Have shared vendor id 34 and product IDs 35 respectively, have different LUN simultaneously, thereby work as " external memory unit " with intrinsic id information.
In addition; In the present embodiment; The slot 31,32,33 that the various storage cards that card reader 30 has insert is corresponding different types of storage card respectively; Even but under the situation of the storage card that can insert a plurality of identical type, also give different LUN31a, 31b, 31c to each slot 31,32,33.
In addition, as USB storage 20, the external unit with respect to an external unit of a USB terminal connection does not have LUN.
(usb hub)
In addition, on a USB terminal 11 that usb hub 16 is connected control device 10, can be on a USB terminal 11 connect the external unit of a plurality of USB standards via usb hub 16.
In addition, the quantity of the USB terminal that control device 10 in the present embodiment and usb hub 16 are had is not limited to the quantity shown in the embodiment certainly.For example control device 10 can have a plurality of USB terminals, and usb hub also can have the USB terminal more than or equal to three.
In addition, in having a plurality of USB terminals, also can comprise the USB terminal that does not connect external unit.
And, among the USB terminal 16a through being had, the 16b, connect other usb hub with a plurality of USB terminals at usb hub 16, can further set up the USB terminal.
In addition, in an embodiment, USB storage 20 and card reader 30 are connected with USB terminal 11 via usb hub 16, but also can USB storage or card reader 30 directly be connected on the USB terminal 11.
Under above-mentioned situation, for the quantity of the quantity of the USB terminal that can set up and the usb hub that can connect, according to the determined predetermined restricted of USB standard.
(control device)
Treating apparatus 50 is made up of following parts: CPU 13; It calls various programs and the data that are used for the various processing that control device carries out and carries out, thereby handles, and RAM 14, and it stores interim parameter in the various processing that CPU 13 is carried out; And EPROM 15, it stores various programs and the data of being called by CPU 13 renewablely.
(USB controller)
In Fig. 2, if on USB terminal 11, connect external memory unit 60, then USB controller 12 detects this external unit and is connected.Above-mentioned detection is worked as " joint detection unit ", that is, the external unit that has connected during for the power connection of sewing machine 100 detects this external unit and connected, and when connected external unit connects behind power connection simultaneously, detects connection.In addition, in Fig. 2, omit the diagram of other external units.
In addition, USB controller 12 has id information test section 12a.Id information test section 12a obtains vendor id, product IDs and LUN, and they detect the intrinsic id information 62 that the external memory unit 60 of connection is had as USB controller 12.
The intrinsic id information of this that obtain is to CPU 13 outputs.
In addition; As said external storage unit 60; Be equivalent to USB storage 20 for example or insert any one or more card reader 30 in the various storage cards such as CF 41, SM 42, SD 43; As the storage part 61 that external memory unit 60 is had, be equivalent to storage part 21 that USB storage 20 had or the storage part that various storage card had.
In addition, under the situation of connection as the USB storage 20 of external memory unit 60, id information test section 12a obtains vendor id 22 and the product IDs 23 that USB storage 20 is had, as intrinsic id information 62.In addition; Inserted in connection under the situation of card reader 30 of various storage cards; Id information test section 12a is for various storage cards; Obtain vendor id 34, product IDs 35 that card reader 30 had and LUN 31a, 32a, the 33a that slot had that has inserted various storage cards, thereby as intrinsic id information 62.At this moment, there is not LUN in USB storage 20, but is regarded as obtaining " 0 " value as LUN in this case, exports.
(treating apparatus)
Treating apparatus 50 has: drive number is given unit 51, and it automatically gives drive number to detected the external memory unit 60 of connection by USB controller 12; Management information stores processor portion 53, its with the intrinsic id information 62 of external memory unit 60 with give this drive number of giving unit 51 by drive number and carry out related and store; Judging unit 54, it is when detecting the connection of external memory unit 60, and whether the intrinsic id information 62 of judging external memory unit 60 is by 53 storages of management information stores processor portion; Access control unit 52, the storage part 61 that it is had for external memory unit 60 utilizes this drive number of giving to this external memory unit 60 and designated external storage unit 60 and conducting interviews; Bootstrap loader 55, it is carried out when sewing machine 100 starts; And application program 56, it is carried out the back at bootstrap loader 55 and carries out.
Treating apparatus 50 in fact; Call various programs and the data that are stored among the EPROM 15 by CPU 13; According to input, carry out various processing by USB controller 12, sewing machine electromotor driving circuit 17, cloth mobile device driving circuit 18 and input and display device 5 etc.The interim parameter that in above-mentioned processing, produces is stored among the RAM 14, calls as required.
(drive number is given the unit)
Drive number is given 51 pairs of unit and is detected the external memory unit 60 of connection by USB controller 12, automatically gives drive number.That is, external memory unit 60 is identified as its drive number.Giving the unit drive number that 51 pairs of external memory units 60 are given by drive number, is the round values that increases successively from " 0 " beginning.That is, give No. 0 drive number to the external memory unit that begins to connect most, another external memory unit that the next one is connected is given No. 1 drive number.In addition,, also can keep the drive number that next time should give numbering, give the drive number of numbering and can not given numbering once more even for example carry out initialization process of application program etc. through the on/off of primary power.
In addition, drive number is given the unit, works through giving the drive number program of giving of storing among the program storage part 15a by CPU 13 execution in the drive number of EPROM 15.
In addition, how to confirm to give the detailed mode of the drive number of giving the unit by drive number, of the back.
(management information stores processor portion)
Management information stores processor portion 53; For the external memory unit 60 that once connected in the past; Will by the intrinsic id information 62 of the detected external memory unit 60 of id information test section 12a of USB controller 12 with give the drive number of giving unit 51 by drive number and carry out relatedly, store as the management information of the external memory unit of having given this drive number.
In fact; CPU 13 works like this: will give the drive number combination that unit 51 is given to this external memory unit to CPU 13 input as vendor id, product IDs and the LUN of the intrinsic id information of external memory unit 60 with by drive number from id information test section 12a; As the management information of this drive number, be stored among the management information storage part 15c as the EPROM 15 of " management information storage unit ".
In Fig. 3; The management information that No. the 0th, drive number; Constitute by No. 0 drive number and the intrinsic id information 62 of having given No. 0 external memory unit 60; When other each new external memory units connected, the management information that drive number increases successively was stored with the id information combination of the external memory unit of giving this drive number.In addition, in Fig. 3, only put down in writing drive number and be No. 1 management information, but the management information since No. 2 drive number is also identical certainly.
(judging unit)
Judging unit 54 is for the external memory unit 60 that is detected connection by USB controller 12; Judge the intrinsic id information 62 that external memory unit 60 is had, with whether consistent in the management information stores processor portion 53 with the id information of external memory unit that stored, that be endowed this drive number in any of the management information of drive number difference.
In fact; If the id information test section 12a of USB controller 12 detects the vendor id as id information 62, product IDs and the LUN of the external memory unit 60 that is connected and exports to CPU 13; Then CPU 13 temporarily is stored in this id information among the RAM 14, carries out the determining program of storing among the determining program storage part 15d of EPROM 15 simultaneously.Through carrying out this determining program, CPU 13 works as judging unit 54.
If the execution determining program, the counter that then is used for by drive number sequence call management information is activation bit counter M, is stored among the RAM 14 with initial value 0.
Determining program judges drive number is whether M number management information is stored in the management information stores processor portion 53.There not being drive number is under M number the situation of management information; Calling drive number gives the unit and M number drive number is given to this external memory unit 60; Simultaneously with M number drive number with as vendor id, product IDs and the LUN combination of this id information 62, be stored in the management information stores processor portion 53 as the management information of M number drive number.
There being drive number is under M number the situation of management information, will be as the vendor id, product IDs and the LUN that are stored in the id information in M number the management information, compare with vendor id, product IDs and the LUN of this id information.Under the whole consistent situation of vendor id, product IDs and LUN; Judge this external memory unit 60 for once giving the external memory unit of M number drive number, call that drive number is given unit 51 and give M number drive number to this external memory unit 60.Under the inconsistent situation of in vendor id, product IDs and LUN any, judge that this external memory unit 60 is not an external memory unit of giving M number drive number.Then, determining program adds 1 with the value of activation bit counter M, returns the management information of judging drive number M once more and whether is stored in the processing in the management information stores processor portion 53.This processing proceeds to this external memory unit 60 and is endowed drive number.
(access control unit)
In addition, under the situation that has connected a plurality of external memory units that store application program, specify the external memory unit of having given minimum drive number in the external memory unit that is connected.
In addition, access control unit 52 works through carrying out the access control program of in the visit information storage part 15b of EPROM 15, storing by CPU 13.
If the execution access control program then is used to specify the counter of the processing of the external memory unit of being visited promptly to retrieve drive number counter N, in RAM14, set with initial value 0.Then, access control program judges whether the management information of N number drive number is stored in the management information stores processor portion 53.Do not having under the stored situation, the error code of stipulating is being presented on the input and display device end process.
Storing under N number the situation of management information of drive number, access control program judges whether the external memory unit (below be recited as the N driver) of the drive number of having given N number connects.Under the situation that the N driver connects, access control program is specified the N driver, the application program of access stored in the N driver.Under the situation that does not have to connect at the N driver, the value that access control program will be retrieved drive number counter N adds 1, and whether the management information of returning the drive number of judging N number is stored in the processing in the management information stores processor portion 53.
Above-mentioned processing continues to carry out, in having carried out following processing any one: specify the N driver and the application program of access stored in the storage part of N driver, perhaps the error code with regulation is presented on the input and display device and end process.
(bootstrap loader)
This initialization might remain in register and the parameter in the high-speed cache that CPU 13 or RAM 14 had and remove.Suppose do not carrying out under the initialized situation; The current potential that in register and high-speed cache, produces through the processing of carrying out before the last secondary source disconnection; Might remain in register and the high-speed cache as parameter; When this residual parameter is handled after power supply is connected once more, can be used as wrong parameter and carry out reference, thereby might bring ill effect.Through carrying out initialization, eliminate the possibility that above-mentioned fault processing produces, can correctly carry out the processing of back.
In addition, bootstrap loader 55 judges whether application program 56 works.Specifically, CPU 13 judges among the 15f of application storage portion of EPROM 15 whether have application program.
In above-mentioned judgement, be present under the situation in the 15f of application storage portion in application program, bootstrap loader 55 finishes.Under the situation that does not have application program, bootstrap loader is used for obtaining from external memory unit a series of processing of new application program.Specifically, whether bootstrap loader 55 inputs to CPU 13 through the id information of this external memory unit that the id information test section 12a that judges USB controller 12 detects, thereby judges whether and be connected more than or equal to one external memory unit at least.Under the situation that does not connect any external memory unit, as shown in Figure 4, the picture displaying contents of reminding the operator to connect external memory unit is exported to input and display device 5.If detect the connection of external memory unit; The id information of this external memory unit inputs to CPU 13; Then bootstrap loader 55 based on this id information be stored in the management information in the management information storage unit, give drive number to this external memory unit.If this external memory unit is endowed drive number, then the new application program in the storage part that is stored in this external memory unit is specified and obtained to bootstrap loader.The new application storage that obtains is in the 15f of application storage portion of EPROM 15.
In addition; Giving drive number by above-mentioned bootstrap loader 55 to external memory unit is achieved in that by bootstrap loader 55 and calls judging unit 54; Based on the result of judging unit 54, give unit 51 by drive number and give drive number.In addition, the appointment of above-mentioned new application program of being undertaken by bootstrap loader 55 is handled and is realized through called access control unit 52 by bootstrap loader 55.
That is, bootstrap loader 55 is not present under the situation among the 15f of application storage portion in application program, for the external memory unit from application storing is obtained application program, thereby gives drive number to this external memory unit.At this moment; The judging unit 54 that utilizes above-mentioned treating apparatus to have; The id information of the management information of storage in the id information of this external memory unit and the management information stores processor portion 53 is compared,, give unit 51 by drive number and give drive number to this external memory unit based on this result; Utilize access control unit 52 to specify the drive number of giving, obtain application program to this external memory unit.
In addition, bootstrap loader 55 works through the bootstrap loader of storing among the bootstrap loader storage part 15e that is called and carried out EPROM 15 by CPU 13.
(application program)
In addition; According to via input and display device 5 by operator input make action command, and by the operation control program of making that operation control part calls of making that is arranged in the application storage portion; Drive not shown suture needle and cloth mobile device 3, simultaneously as required and the stitch data storage part from be arranged on application storage portion calls stitch data.
And; When importing stitch data generation order by the operator via input and display device 5; The stitch data generator program calls in stitch data generation portion by being arranged in the application storage portion, will be stored in the stitch data storage part by the various stitch datas that the operator generates.
That is, the sewing machine 100 of present embodiment is equivalent to electronic cycle sewing machine.
In addition, 56 pairs of external memory units that in application program 56 actions, connect of application program are given drive number.At this moment; If detect the connection of external memory unit by USB controller 12; Id information by detected this external memory unit of id information test section 12a inputs to CPU 13; Then application program 56 based on this id information be stored in the management information in the management information storage unit, give drive number to this external memory unit.
In addition, under by update command the situation via input and display device 5 inputs of operator, obtain the new application program that is stored in this external memory unit with application program.At this moment, application program 56 is appointed as the new application program in the storage part that is stored in this external memory unit.Then, control device 10 starts once more, after utilizing bootstrap loader 55 to carry out initialization; Give drive number to this external memory unit once more; The appointment by access control unit 52 based on carrying out before restarting obtains new application program, is stored among the 15f of application storage portion.
In addition, utilize above-mentioned application program 56 to give drive number and be achieved in that application program 56 calls judging unit 54,, give unit 51 by drive number and give drive number based on the result of judging unit 54 to external memory unit.In addition, the appointment of above-mentioned new application program of being undertaken by application program 56 is called access control unit 52 through bootstrap loader 55 and is handled and realize.
That is, application program 56 for the external memory unit that in application program 56 course of action, connects, is given drive number to this external memory unit.At this moment; Utilize the judging unit 54 that has in the above-mentioned treating apparatus; The id information of this external memory unit is compared with the id information that is stored in the management information in the management information stores processor portion 53; Based on this result, give unit 51 by drive number and give drive number to this external memory unit.
In addition, under the situation of the update command of having imported application program by the operator, utilize access control unit 52 to specify the drive number of giving to this external memory unit.
(explanation of flow process)
Below, based on the flow process of Fig. 5, explain when on control device 10, connecting external memory unit, handle by processing of giving drive number and application program update that CPU 13 carries out.
If the power connection of sewing machine 100, then control device 10 utilizes bootstrap loader 55 to carry out initialization (step SI).Then, bootstrap loader 55 judges in the 15f of application storage portion, whether there is application program 56 (step S2).
Under the situation that does not have application program 56, judge whether to be connected with USB device (step S3) as external memory unit 60.Under the situation that is not having to connect, the picture that prompting as shown in Figure 4 is connected as the USB device of external memory unit 60 is presented at (step S4) on the input and display device 5.Under the situation that the USB device as external memory unit 60 connects or connected; Bootstrap loader 55 is based on the management information of the intrinsic id information of external memory unit 60 62 with 53 storages of management information stores processor portion, and the processing of carrying out giving to this USB device drive number is that (step S5) handled in USB device identification.In addition, the sub-process that identification is handled about USB device is of the back.Then, to carry out the processing of the new application program of designated store in this USB device be updating file designated treatment (step S6) to bootstrap loader 55.In addition, about the sub-process of updating file designated treatment of the back.Then, bootstrap loader 55 is obtained the new application program in the USB device that is stored in appointment among the step S6, and the application program update that is stored among the 15f of application storage portion of EPROM 15 is handled (step S15), and processing finishes.
In addition, in step S2, exist under the situation of application program 56, application program 56 starts (step S7).Then, under having connected as the situation of the USB device of external memory unit 60 (step S8), application program 56 is carried out the USB device identification identical with step S5 and is handled (step S9).Then, under the situation of the order of having been imported application program update by the operator (step S10), application program 56 is carried out the updating file designated treatment (step S11) identical with step S6.Then; Control device 10 restarts (step S12); Bootstrap loader 55 carries out initialization (step S 13); Bootstrap loader 55 carries out the USB device identification identical with step S5 and step S9 and handles (step S14), carries out the update processing (step S15) of above-mentioned application program, and processing finishes.
(USB device identification is handled)
Below, set the sub-process of processing based on the USB device among the process description above-mentioned steps S5 of Fig. 6, S9, the S14.
If the USB device as external memory unit 60 connects, then id information test section 12a obtains the id information (step S21) of this USB device.Then, judging unit 54 is set at initial value 0 (step S22) with Driver Information counter M, judges drive signal is whether M number management information is stored in the management information stores processor portion 53 (step S23).There not being drive number is under M number the situation of management information; Judging unit 54 calls that drive number is given unit 51 and gives M number drive number to this USB device; The management information of M number the drive number that will be generated by the id information of M number drive number and this USB device simultaneously is stored in the management information stores processor portion 53 (step S24) end process.
There being drive number is under M number the situation of management information; The id information that judging unit 54 is judged this USB device and drive number are the id information whether consistent (step S25) of M number management information; Under the situation of unanimity; Give (step S26) to this USB device once more with M number drive number, end process.Under inconsistent situation, M is added 1 (step S27), return step S23.
(updating file designated treatment)
Below, based on the process description above-mentioned steps S6 of Fig. 7, the sub-process of updating file designated treatment among the S11.
Exist under N number the situation of management information of drive number, access control unit 52 judges whether the N driver connects (step S34).Under the situation that the N driver connects, access control unit 52 is specified N driver (step S35), end process.Under the situation that does not have to connect at the N driver, access control unit adds 1 (step S36) with N, returns step S32.
(action effect)
According to present embodiment; USB storage 20 during with the power connection of sewing machine 100 and whether reclose irrelevantly via the power supply of the order of connection of the external units such as various storage cards of card reader 30 or sewing machine 100 distributes intrinsic drive number to each external unit.Therefore, when visit particular outer equipment, need not reassign drive number, operability improves.
In addition; Because in the transport process of the application program of between control device 10 and external unit, carrying out; Even under the situation of cutting off the electricity supply, also after power supply is connected once more, the drive number before power supply breaks off is fixed because of certain reason; So control device 10 can automatically begin to visit the application program of in the external unit of access control unit 52 appointments, being stored once more, convenience improves.In addition, prevent driver selection mistake, improve reliability.
In addition, in the present embodiment,, conduct interviews, can not need develop special-purpose slot and external unit, the cost of introducing slot and external unit is reduced based on the USB standard through using the USB terminal.
In addition, owing to can directly utilize the external unit of widely used various support USB on the market, so the acquired raising of external unit.
And then, owing to utilize vendor id that external unit has, product IDs,, the cost that imports id information is descended so can not need add special-purpose id information as above-mentioned id information.
And; Owing to also utilize LUN as id information; Even so as this external unit that does not have an id information of various storage cards via under card reader 30 and the situation that the USB terminal is connected; Vendor id, the product IDs that also can utilize card reader 30 to be had, thus various storage cards can also be utilized, further improve convenience.
And; Connect under the situation of a plurality of various storage cards in card reader 30; Because inserting the slot of various storage cards, each of reading card device 30 distribute different LUN; Even, further improve convenience so, also can intrinsic id information be set to each storage card in that a plurality of various storage cards are inserted under the situation of card reader 30.
And; Through external unit when the power connection of sewing machine 100 or behind the power connection when the USB terminal connects; Detect the connection of external unit; Thereby in management information stores processor portion 53, stored the external unit of id information and in management information stores processor portion 53, do not stored under the situation of energized under the state that the new external unit of id information mixes; Can not change drive number, pass through simultaneously new driver is distributed intrinsic drive number, thereby improve convenience drive access.
In addition, have at control device 10 under the situation of a plurality of USB terminals, even, also can not change drive number, so improve convenience drive access owing to change under the situation of other slots at the slot that will connect particular outer equipment.
And; Because access control unit 52 is from the initial beginning of drive number; The application program of in order storage part of the external memory unit that can visit being stored preferentially conducts interviews; So under the situation that connects a plurality of external memory units, can easily specify the external memory unit of priority access, convenience improves.
And; Because under the situation of any in carrying out above-mentioned bootstrap loader 55 and application program 56; All with reference to the management information of management information stores processor portion 53; The management information of utilizing when thereby any in bootstrap loader 55 or the application program 56 carried out, store the id information of the drive number of giving to external memory and this external memory unit also can be utilized by another device, so convenience improves.
And, because in the sewing machine with control device 10 100, use USB storage 20 external memory units such as grade 60, so the convenience the during renewal that can improve the various application programs of in sewing machine 100, using.
In addition, can be of little use in the sewing machine operation, the external memory unit that stores application program carried out the drive number of drive number in specifying select such complex operations to simplify, can realize the high efficiency of sewing machine operation.
(other)
External memory unit in the present embodiment is the various storage cards that connect except USB storage 20 or via card reader 30, so long as medium that can application storing gets final product.It for example also can be the CD-ROM drive that hard disk or reading and recording have the CD-ROM of application program.
In addition, various storage cards also can be the storage cards outside CF, SM, the SD.It for example also can be memory stick.
In addition, the processing of the treating apparatus 50 in the present embodiment realizes through software, but also can be special-purpose member or mimic channel.
In addition; In the present embodiment; Bootstrap loader 55 and application program 56 are given under the situation of processing of drive number, through calling judging unit 54, based on the result of judging unit 54 to external memory unit carrying out; Giving unit 51 by drive number gives drive number and handles; Obtain in appointment under the situation of external memory unit of new application program, handle, but also can give unit 51 and access control unit 52 suitable function through bootstrap loader 55 and application program 56 are had with judging unit 54, drive number through calling access control unit 52; Thereby bootstrap loader 55 and application program 56 need not call and utilize judging unit 54, drive number to give unit 51 and access control unit 52, just can carry out above-mentioned processing.
In addition; In the present embodiment, be that the situation of the application program of sewing machine is illustrated with the information in the external memory unit of being stored in, but as being stored in the information in the external memory unit; Being not limited to application program, also can be the various data such as stitch data or setting data of sewing machine.
In addition, the sewing machine in the present embodiment is assumed to electronic cycle sewing machine, but so long as on control device, connect external memory unit via slot and obtain the sewing machine of program, can be sewing machine kind arbitrarily.
In addition, in the present embodiment, be that example describes, but so long as can connect the control device of external memory unit in the control device of sewing machine, to use situation of the present invention, can be not limited to the control device of sewing machine and use.
In addition, the drive number in the present embodiment is the round values of arranging since 0, as long as but can judge each external memory unit, for example also can be letter.
Claims (7)
1. control device, it has:
A plurality of slots, it is provided with in order to connect external memory unit, this external memory unit stored programme and intrinsic id information;
The joint detection unit, its detection has connected external memory unit at least one slot;
Drive number is given the unit, and it automatically gives drive number to the above-mentioned external memory unit that has been detected connection; And
Access control unit, it utilizes above-mentioned drive number to specify and above-mentionedly has been detected the external memory unit of connection and conducts interviews,
It is characterized in that,
This control device has:
Non-volatile management information storage unit, it is with the intrinsic id information of the above-mentioned external memory unit that has been detected connection and give the drive number of giving the unit by above-mentioned drive number and be associated and store; And
Judging unit, it judges being detected external memory unit by above-mentioned joint detection unit when being connected with above-mentioned slot whether the above-mentioned intrinsic id information that has been detected the external memory unit of connection is stored in the above-mentioned management information memory cell,
Above-mentioned drive number is given the unit; In that the above-mentioned intrinsic id information that has been detected the external memory unit of connection has been stored under the situation in the above-mentioned management information memory cell by above-mentioned judgment unit judges; With related in the above-mentioned management information memory cell with the intrinsic id information of this external memory unit and the storage drive number give to above-mentioned external memory unit once more; In addition; Judging that the above-mentioned intrinsic id information that has been detected the external memory unit of connection is not stored under the situation in the above-mentioned management information memory cell; With the new drive number of also not giving, give as the above-mentioned intrinsic drive number of external memory unit that has been detected connection as other the drive number of external memory unit.
2. control device according to claim 1 is characterized in that,
Above-mentioned slot is the slot of USB standard,
Above-mentioned id information is the vendor id of said external storage unit or be used for connecting interface that the said external storage unit is connected with above-mentioned slot and the product IDs of this external memory unit or this connecting interface,
Above-mentioned access control unit conducts interviews to the said external storage unit based on the USB standard.
3. control device according to claim 2 is characterized in that,
Above-mentioned id information is included in the LUN that is provided with in said external storage unit or the above-mentioned connecting interface.
4. control device according to claim 1 is characterized in that,
Above-mentioned joint detection unit when the power connection of this control device, or when the said external storage unit is connected with above-mentioned slot behind the power connection of this control device, detects the connection of said external storage unit.
5. control device according to claim 1 is characterized in that,
Above-mentioned access control unit, the initial beginning from drive number conducts interviews to the said external storage unit in order, to be stored in can visit and said external storage unit that drive number is minimum in process priority conduct interviews.
6. control device according to claim 1 is characterized in that having:
Memory storage, it is stored in bootstrap loader of carrying out when starting and the application program of after this bootstrap loader is carried out, carrying out; And
Treating apparatus, it carries out above-mentioned bootstrap loader and above-mentioned application program,
Above-mentioned bootstrap loader and above-mentioned application program; Comprise and make above-mentioned treating apparatus give unit, above-mentioned access control unit and the acting processing of above-mentioned judging unit as above-mentioned drive number; Simultaneously; In above-mentioned bootstrap loader and the above-mentioned application program each is being carried out above-mentionedly when respectively handling, and all shares above-mentioned management information memory cell and manages information with reference to the driver in the above-mentioned management information memory cell.
7. control device according to claim 1 is characterized in that,
Above-mentioned control device is the control device of sewing machine,
The said external storage unit is the external memory unit to the needed information of control of the above-mentioned sewing machine of control device transmission/reception of above-mentioned sewing machine.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| JP2007-192166 | 2007-07-24 | ||
| JP2007192166A JP2009031844A (en) | 2007-07-24 | 2007-07-24 | Control device |
| JP2007192166 | 2007-07-24 |
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| CN101354568A CN101354568A (en) | 2009-01-28 |
| CN101354568B true CN101354568B (en) | 2012-11-21 |
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| JP (1) | JP2009031844A (en) |
| KR (1) | KR101473633B1 (en) |
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| WO2013018227A1 (en) * | 2011-08-04 | 2013-02-07 | 三菱電機株式会社 | Electrical device |
| US10360125B2 (en) * | 2016-05-31 | 2019-07-23 | Bristol, Inc. | Methods and apparatus to communicatively couple field devices to a remote terminal unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3057051B2 (en) * | 1998-02-26 | 2000-06-26 | バンドー化学株式会社 | Drain material |
| JP2002163225A (en) * | 2000-11-24 | 2002-06-07 | Matsushita Electric Ind Co Ltd | Usb connection control method and usb system |
| JP2004272457A (en) * | 2003-03-06 | 2004-09-30 | Canon Inc | Image processing device and method for controlling image processing device, and program therefor |
| CN1619527A (en) * | 2003-11-22 | 2005-05-25 | 鸿富锦精密工业（深圳）有限公司 | System of remote monitoring universal serial bus equipment and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100549645B1 (en) | 2004-11-05 | 2006-02-06 | 소프트캠프(주) | Guarding method for input data by keyboard and guarding system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3057051B2 (en) * | 1998-02-26 | 2000-06-26 | バンドー化学株式会社 | Drain material |
| JP2002163225A (en) * | 2000-11-24 | 2002-06-07 | Matsushita Electric Ind Co Ltd | Usb connection control method and usb system |
| JP2004272457A (en) * | 2003-03-06 | 2004-09-30 | Canon Inc | Image processing device and method for controlling image processing device, and program therefor |
| CN1619527A (en) * | 2003-11-22 | 2005-05-25 | 鸿富锦精密工业（深圳）有限公司 | System of remote monitoring universal serial bus equipment and method thereof |
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| CN101354568A (en) | 2009-01-28 |
| JP2009031844A (en) | 2009-02-12 |
| KR20090010928A (en) | 2009-01-30 |
| DE102008035309A1 (en) | 2009-04-09 |
| KR101473633B1 (en) | 2014-12-17 |
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