CN107784756A - A kind of control method and control device of POS read-write PSAM card informations - Google Patents
A kind of control method and control device of POS read-write PSAM card informations Download PDFInfo
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- CN107784756A CN107784756A CN201610714666.2A CN201610714666A CN107784756A CN 107784756 A CN107784756 A CN 107784756A CN 201610714666 A CN201610714666 A CN 201610714666A CN 107784756 A CN107784756 A CN 107784756A
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- psam
- driving chip
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/12—Cash registers electronically operated
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
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- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Cash Registers Or Receiving Machines (AREA)
Abstract
The invention belongs to read and write PSAM card techniques field, there is provided a kind of control method and control device of POS read-write PSAM card informations.A kind of control method of POS read-write PSAM card informations of the present invention, the POS includes being used for the driving chip for sticking into PSAM row information read-write, by establishing driving chip, information list between interrupt requests instruction and interrupt status, when having detected that PSAM card insertions are fashionable, receive the first interrupt requests instruction for carrying driving chip address, when judging that the instruction of the first interrupt requests is effective according to information list, the first interrupt status corresponding with the instruction of the first interrupt requests is entered according to information list, row information write-in is read or PSAM is sticked into control driving chip to stick into row information to PSAM.Realize POS and the controllability of row information read-write process is sticked into PSAM, and then effectively improve the efficiency to the read-write of PSAM card informations.
Description
Technical field
The present invention relates to read-write PSAM card techniques field, more particularly to a kind of controlling party of POS read-write PSAM card informations
Method and control device.
Background technology
As electric business industry increasingly increases severely with the popularity intelligently paid, businessman is to multi-functional POS
The demand of (Point of sales, point of sale) is also continuously increased.For example, when sending goods with charge free for the customers of electric business, it is necessary to
By POS to PSAM cards (PSAM, Purchase Secure Access Module, point of sales terminal secure storage module)
Card read/write is carried out, and then completes transaction.But because existing POS is when swipe the card transaction, it is so one that POS, which is appointed,
The PSAM cards of individual independent terminal-pair user are written and read, and POS can only be according to the read-write program that has been previously set and pre-
If work schedule the PSAM cards of user are written and read, finally result sent in a manner of communication wirelessly or non-wirelessly again to
On server.
In summary, existing POS, which exists, sticks into the row information read-write uncontrollable problem of process to PSAM.
The content of the invention
It is an object of the invention to provide the control method and control device of a kind of POS read-write PSAM card informations, it is intended to
Solve POS of the prior art and the row information read-write uncontrollable problem of process is sticked into PSAM.
The present invention is achieved in that a kind of control method of POS read-write PSAM card informations, and the POS includes using
In the driving chip that row information read-write is sticked into PSAM, the control method comprises the following steps：
The information list established between the driving chip, interrupt requests instruction and interrupt status；Described information list
Include the corresponding relation between the address information of the driving chip, and interrupt requests instruction and the interrupt status；
When having detected that PSAM card insertions are fashionable, the first interrupt requests instruction for carrying driving chip address is received；
Judge whether the first interrupt requests instruction is effective according to described information list；
If so, the first interrupt status corresponding with the first interrupt requests instruction is then entered according to described information list,
Row information write-in is read or the PSAM is sticked into control the driving chip to stick into row information to the PSAM.
Corresponding, another object of the present invention is to provide a kind of control device of POS read-write PSAM card informations, institute
Stating POS includes being used for the driving chip for sticking into PSAM row information read-write, and the control device includes：
List cell, for establishing the information list between the driving chip, interrupt requests instruction and interrupt status；
Described information list is included between the address information of the driving chip, and interrupt requests instruction and the interrupt status
Corresponding relation；
First instruction reception unit, the of driving chip address is carried for when having detected that PSAM card insertions are fashionable, receiving
One interrupt requests instruct；
Judging unit, for judging whether the first interrupt requests instruction is effective according to described information list；
First execution unit, for the judging unit result for be when,
The first interrupt status corresponding with the first interrupt requests instruction is then entered according to described information list, with control
The driving chip sticks into row information to the PSAM and reads or the PSAM is sticked into row information write-in.
A kind of control method of POS read-write PSAM card informations of the present invention, the POS include being used to stick into PSAM
The driving chip of row information read-write, by establishing the information list between driving chip, interrupt requests instruction and interrupt status,
When having detected that PSAM card insertions are fashionable, the first interrupt requests instruction for carrying driving chip address is received, when according to information list
When judging that the instruction of the first interrupt requests is effective, enter corresponding with the instruction of the first interrupt requests first according to information list and interrupt shape
State, row information write-in is read or PSAM is sticked into control driving chip to stick into row information to PSAM.POS is realized to PSAM
The controllability of row information read-write process is sticked into, and then effectively improves the efficiency to the read-write of PSAM card informations.
Brief description of the drawings
Fig. 1 is the control method flow chart for the POS read-write PSAM card informations that the embodiment of the present invention 1 provides；
Fig. 2 is the control method flow chart for the POS read-write PSAM card informations that the embodiment of the present invention 2 provides；
Fig. 3 is the structure chart of the control device for the POS read-write PSAM card informations that the embodiment of the present invention 3 provides；
Fig. 4 is the structure chart of the control device for the POS read-write PSAM card informations that the embodiment of the present invention 4 provides.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is an object of the invention to provide the control method and control device of a kind of POS read-write PSAM card informations, it is intended to
Solve POS of the prior art and the row information read-write uncontrollable problem of process is sticked into PSAM.
In all embodiments of the invention, executive agent can be the main control chip or governor circuit in POS.It is described
Driving chip is arranged at including but not limited to POS, the card swiping terminal of point of sale or drawing OK a karaoke club card reader etc. by reading and writing PSAM
Card completes the terminal of transaction, no longer illustrates in subsequent embodiment.
It is described in detail below in conjunction with realization of the specific accompanying drawing to the present invention：
Embodiment 1：
Fig. 1 shows the control method implementation process for the POS read-write PSAM card informations that the present embodiment provides, for the ease of
Illustrate, part related to the present embodiment is only shown.
A kind of control method of POS read-write PSAM card informations, wherein, the POS includes being used to carry out PSAM cards
The driving chip of Card read/write, party's control methods comprise the following steps：
S110：The information list established between the driving chip, interrupt requests instruction and interrupt status；
S120：When having detected that PSAM card insertions are fashionable, the first interrupt requests instruction for carrying driving chip address is received；
S130：Judge whether the first interrupt requests instruction is effective according to described information list；
S140：Interrupted if so, then entering corresponding with the first interrupt requests instruction first according to described information list
State, row information write-in is read or the PSAM is sticked into control the driving chip to stick into row information to the PSAM.
In the present embodiment, described information list includes the address information of the driving chip, and the interrupt requests
Corresponding relation between instruction and the interrupt status.
In step s 110, interrupt and refer to when needing, the execution that server temporarily ceases present procedure transfers to hold
The program and implementation procedure of row processing new situation.Interrupt requests instruct, and receive in the course of the work for describing server
Interrupt requests.Interrupt status, for describing and the working condition of the corresponding server of interrupt requests instruction and execution task.
In the step s 120, when having detected that PSAM card insertions are fashionable, the first interruption for receiving carrying driving chip address please
Instruction is asked, wherein, PSAM card insertions enter to belong to down trigger condition, and the down trigger condition can also include：Scanning recognition is to institute
State PSAM cards or magnetic induction identifies the PSAM cards.Wherein, scanning recognition is to the PSAM cards, and specifically scanning is arrived and PSAM
Bar code corresponding to card or Quick Response Code, and then PSAM card informations corresponding to identification.
In step s 130, judge whether the first interrupt requests instruction is effective, is specifically according to described information list
Judge whether driving chip address entrained in the instruction of the first interrupt requests is effective, that is, judges the legitimacy of the driving chip.
POS, the card swiping terminal of point of sale or drawing OK a karaoke club card reader etc. are arranged at by reading and writing PSAM cards with driving chip
Exemplified by the terminal for completing transaction, judge whether the instruction of the first interrupt requests is effective in step s 130, be to judge first instruction
Whether the IP address of terminal where the driving chip address of carrying is effective, i.e., the IP address of the terminal whether there is in information list
In.
In step S140, enter corresponding with the first interrupt requests instruction first according to described information list and interrupt
State, row information write-in is read or the PSAM is sticked into control the driving chip to stick into row information to the PSAM.
So that user using PSAM cards once merchandise as an example, in process of exchange, when the PSAM card insertions for detecting user
Enter or scanning recognition to user PSAM cards when, the first interrupt requests instruction for carrying driving chip address is received, according to information
List judges whether first interrupt requests instruction is effective, that is, judges to identify whether the terminal of the PSAM cards is legal.Judging to be somebody's turn to do
When terminal is legal, the first interrupt status corresponding with the instruction of the first interrupt requests is entered according to information list, and then control driving
Chip sticks into row information reading to PSAM, and control driving chip sticks into row information write-in to PSAM after completing to merchandise.
A kind of control method for POS read-write PSAM card informations that the present embodiment provides, POS include being used for PSAM cards
The driving chip of Card read/write is carried out, is arranged by establishing the information between driving chip, interrupt requests instruction and interrupt status
Table, when having detected that PSAM card insertions are fashionable, the first interrupt requests instruction for carrying driving chip address is received, is arranged according to information
When table judges that the instruction of the first interrupt requests is effective, enter corresponding with the first interrupt requests first according to information list and interrupt shape
State, row information write-in is read or PSAM is sticked into control driving chip to stick into row information to PSAM.POS is realized to PSAM
The controllability of row information read-write process is sticked into, and then effectively improves the efficiency to the read-write of PSAM card informations.
Embodiment 2：
Fig. 2 shows the method implementation process for the control PSAM card informations read-write that the present embodiment provides, for convenience of description,
Part related to the present embodiment is only shown.
As shown in Fig. 2 a kind of control method of POS read-write PSAM card informations, comprises the following steps：
S210：Initialization process is carried out to current state；
S220：The information list established between the driving chip, interrupt requests instruction and interrupt status；
S230：When having detected that PSAM card insertions are fashionable, the first interrupt requests instruction for carrying driving chip address is received；
S240：Judge whether the first interrupt requests instruction is effective according to described information list；
S250：Interrupted if so, then entering corresponding with the first interrupt requests instruction first according to described information list
State, row information write-in is read or the PSAM is sticked into control the driving chip to stick into row information to the PSAM；
S260：If it is not, then receive the instruction of the second interrupt requests；
S270：Into the second interrupt status and prompt to read and write failure information according to second interrupt requests instruction.
In the present embodiment, described information list includes the address information of the driving chip, and the interrupt requests
Corresponding relation between instruction and the interrupt status.
In step S210, initialization process is carried out to current state, wherein, current state is to be sticked into using the PSAM
State before row transaction or the state after being traded using the PSAM cards.
In step S220, interruption refers to that when needing the execution that server temporarily ceases present procedure transfers to hold
The program and implementation procedure of row processing new situation.Interrupt requests instruct, and receive in the course of the work for describing server
Interrupt requests.Interrupt status, for describing and the working condition of the corresponding server of interrupt requests instruction and execution task.
In step S230, when having detected that PSAM card insertions are fashionable, the first interruption for receiving carrying driving chip address please
Instruction is asked, wherein, PSAM card insertions enter to belong to down trigger condition, and the down trigger condition can also include：Scanning recognition is to institute
State PSAM cards or magnetic induction identifies the PSAM cards.Wherein, scanning recognition is to the PSAM cards, and specifically scanning is arrived and PSAM
Bar code corresponding to card or Quick Response Code, and then PSAM card informations corresponding to identification.
In step S240, judge whether the first interrupt requests instruction is effective, is specifically according to described information list
Judge whether driving chip address entrained in the instruction of the first interrupt requests is effective, that is, judges the legitimacy of the driving chip.
POS, the card swiping terminal of point of sale or drawing OK a karaoke club card reader etc. are arranged at by reading and writing PSAM cards with driving chip
Exemplified by the terminal for completing transaction, judge whether the instruction of the first interrupt requests is effective in step S240, be to judge first instruction
Whether the IP address of terminal where the driving chip address of carrying is effective, i.e., the IP address of the terminal whether there is in information list
In.
In step s 250, enter corresponding with the first interrupt requests instruction first according to described information list to interrupt
State, row information write-in is read or the PSAM is sticked into control the driving chip to stick into row information to the PSAM.
So that user using PSAM cards once merchandise as an example, in process of exchange, when the PSAM card insertions for detecting user
Enter or scanning recognition to user PSAM cards when, the first interrupt requests instruction for carrying driving chip address is received, according to information
List judges whether first interrupt requests instruction is effective, that is, judges to identify whether the terminal of the PSAM cards is legal.Judging to be somebody's turn to do
When terminal is legal, the first interrupt status is entered according to the instruction of the first interrupt requests, and then control driving chip to carry out PSAM cards
Information is read, and control driving chip sticks into row information write-in to PSAM after completing to merchandise.
In step s 250, specifically include：Sent and described the to the driving chip according to the driving chip address
First pwm signal corresponding to one interrupt status is as clock signal, to control the work schedule of driving chip and to the PSAM
Stick into row information reading；The information of the PSAM cards to reading is encrypted.
In step s 250, specifically also include：According to the driving chip address to the driving chip send with it is described
Second pwm signal corresponding to first interrupt status is as clock signal, to control the work schedule of driving chip and to described
PSAM sticks into row information write-in.
In step S260, the instruction of the second interrupt requests carries terminal IP corresponding to invalid the first interrupt requests instruction
Address.
In step S270, read-write failure prompt message includes prompting and encoded, in prompting coding corresponding informance list
Sequence number, the event of failure is written and read to PSAM cards for description.
The control method for a kind of POS read-write PSAM card informations that the present embodiment provides, by being carried out just to current state
It beginningization processing, can avoid introducing interference information, and then prevent from causing information wrong during control PSAM card informations read-write
Phenomena such as random.On the other hand, when the first interrupt requests instruction ignore, produce the instruction of the second interrupt requests, so according to this
The instruction of two interrupt requests enters the second interrupt status, and prompts to read and write failure information, can pass through interruption in process of exchange
The validity judgement of higher priority is given in identification of the mode to PSAM cards, is effectively improved the effect of PSAM card informations read-write
Rate.
Embodiment 3：
In order to realize the control method of POS read-write PSAM card informations that the embodiment of the present invention 1 provided, the present embodiment carries
A kind of control device of POS read-write PSAM card informations is supplied.Fig. 3 shows the POS read-write PSAM cards that the present embodiment provides
The control device structure of information, for convenience of description, part related to the present embodiment is only shown.
As shown in figure 3, a kind of control device 100 of POS read-write PSAM card informations, for controlling driving chip to PSAM
Row information read-write is sticked into, the device 100 includes：List cell 10, the first instruction reception unit 20, judging unit 30 and first
Execution unit 40.
Specifically, as shown in figure 4, list cell 10, for establishing the driving chip, interrupt requests instruct and interrupt
Information list between state.Wherein, interrupt and refer to that, when needing, the execution that server temporarily ceases present procedure is transferred
Perform the program and implementation procedure of processing new situation.Interrupt requests instruct, and are received in the course of the work for describing server
Interrupt requests.Interrupt status, for describing and the working condition of the corresponding server of interrupt requests instruction and execution task.
Described information list includes the address information of the driving chip, and interrupt requests instruction and the interruption
Corresponding relation between state.
First instruction reception unit 20, for when having detected that PSAM card insertions are fashionable, receiving and carrying driving chip address
First interrupt requests instruct.Wherein, PSAM card insertions enter to belong to down trigger condition, and the down trigger condition can also include：Sweep
Retouch and recognize the PSAM cards or the magnetic induction identification PSAM cards.Wherein, scanning recognition is specifically swept to the PSAM cards
Retouch corresponding with PSAM cards bar code or Quick Response Code, and then PSAM card informations corresponding to identification.
Judging unit 30, for judging whether the first interrupt requests instruction is effective according to described information list.According to
Described information list judges whether the first interrupt requests instruction is effective, specifically judges to be taken in the instruction of the first interrupt requests
Whether the driving chip address of band is effective, that is, judges the legitimacy of the driving chip.
POS, the card swiping terminal of point of sale or drawing OK a karaoke club card reader etc. are arranged at by reading and writing PSAM cards with driving chip
Exemplified by the terminal for completing transaction, judge whether the first interrupt requests instruct effective by judging unit 30, be to judge first finger
Whether the IP address of terminal where making the driving chip address carried is effective, i.e., the IP address of the terminal whether there is arranges in information
In table.
First execution unit 40, for the judging unit result for be when, then according to described information list enter with
First interrupt status corresponding to the first interrupt requests instruction, to control the driving chip to stick into row information to the PSAM
Read or row information write-in is sticked into the PSAM.
So that user using PSAM cards once merchandise as an example, in process of exchange, when the PSAM card insertions for detecting user
Enter or scanning recognition to user PSAM cards when, the first interrupt requests instruction for carrying driving chip address is received, according to information
List judges whether first interrupt requests instruction is effective, that is, judges to identify whether the terminal of the PSAM cards is legal.Judging to be somebody's turn to do
When terminal is legal, the first interrupt status is entered according to the instruction of the first interrupt requests, and then control driving chip to carry out PSAM cards
Information is read, and control driving chip sticks into row information write-in to PSAM after completing to merchandise.
A kind of control device for POS read-write PSAM card informations that the present embodiment provides, POS include being used for PSAM cards
The driving chip of Card read/write is carried out, the control device includes：List cell 10, the first instruction reception unit 20, judging unit
30 and first execution unit 40.Established by list cell 10 between driving chip, interrupt requests instruction and interrupt status
Information list, detected that PSAM card insertions are fashionable by the first instruction reception unit 20, received and carry the of driving chip address
One interrupt requests instruct, then judge whether the first interrupt requests instruct effective according to information list by judging unit 30, and
First execution unit 40 enters the first interrupt status when the result of judging unit is to be according to the instruction of the first interrupt requests, with
Control driving chip sticks into row information to PSAM and reads or PSAM is sticked into row information write-in.POS is realized to stick into PSAM
Row information reads and writes the controllability of process, and then effectively improves the efficiency to the read-write of PSAM card informations.
Embodiment 4：
In order to realize the control method of POS read-write PSAM card informations that the embodiment of the present invention 2 provided, the present embodiment carries
A kind of control device of POS read-write PSAM card informations is supplied.Fig. 4 shows the POS read-write PSAM cards that the present embodiment provides
The control device structure of information, for convenience of description, part related to the present embodiment is only shown.
As shown in figure 4, a kind of control 200 of POS read-write PSAM card informations, including：Initialization unit 210, list list
First 220, first instruction reception unit 230, judging unit 240, the first execution unit 250, the second instruction reception unit 260 and
Second execution unit 270.Specifically：
Initialization unit 210, for carrying out initialization process to current state.Wherein, current state is described in use
PSAM cards be traded before state or the state after being traded using the PSAM cards.
List cell 220, for establishing the information row between the driving chip, interrupt requests instruction and interrupt status
Table.Interruption refers to that when needing server temporarily ceases the execution of present procedure then performs the program of processing new situation
And implementation procedure.Interrupt requests instruct, the interrupt requests received in the course of the work for describing server.Interrupt status,
For describing and the working condition of the corresponding server of interrupt requests instruction and execution task.
First instruction reception unit 230, for when having detected that PSAM card insertions are fashionable, receiving and carrying driving chip address
First interrupt requests instruct.When having detected that PSAM card insertions are fashionable, the first interrupt requests for receiving carrying driving chip address refer to
Order, wherein, PSAM card insertions enter to belong to down trigger condition, and the down trigger condition can also include：Scanning recognition is described in
PSAM cards or magnetic induction identify the PSAM cards.Wherein, scanning recognition arrives and PSAM cards to the PSAM cards, specifically scanning
Corresponding bar code or Quick Response Code, and then PSAM card informations corresponding to identification.
Judging unit 240, for judging whether the first interrupt requests instruction is effective according to described information list.According to
Described information list judges whether the first interrupt requests instruction is effective, specifically judges to be taken in the instruction of the first interrupt requests
Whether the driving chip address of band is effective, that is, judges the legitimacy of the driving chip.
POS, the card swiping terminal of point of sale or drawing OK a karaoke club card reader etc. are arranged at by reading and writing PSAM cards with driving chip
Exemplified by the terminal for completing transaction, judge whether the first interrupt requests instruct effective by judging unit 240, to judge first finger
Whether the IP address of terminal where making the driving chip address carried is effective, i.e., the IP address of the terminal whether there is arranges in information
In table.
First execution unit 250, for the judging unit result for be when, then according to described information list enter with
First interrupt status corresponding to the first interrupt requests instruction, to control the driving chip to stick into row information to the PSAM
Read or row information write-in is sticked into the PSAM.
In the present embodiment, the first execution unit 250 includes：Reading unit, ciphering unit and writing unit are (in figure not
Show).Specifically：
Reading unit, for being sent and first interrupt status to the driving chip according to the driving chip address
Corresponding first pwm signal is as clock signal, to control the work schedule of driving chip and stick into row information to the PSAM
Read；
Ciphering unit, the information for the PSAM cards to reading are encrypted.
Writing unit, for being sent and first interrupt status to the driving chip according to the driving chip address
Corresponding second pwm signal is as clock signal, to control the work schedule of driving chip and stick into row information to the PSAM
Write-in.
Second instruction reception unit 260, when the result for judging unit 240 is no, receive the instruction of the second interrupt requests.
Wherein, the instruction of the second interrupt requests carries IP address of terminal corresponding to invalid the first interrupt requests instruction.
Second execution unit 270, for into the second interrupt status and prompting to read according to second interrupt requests instruction
Write failure information.Wherein, read-write failure prompt message includes prompting to encode, the sequence number in prompting coding corresponding informance list,
The event of failure is written and read to PSAM cards for description.
One of ordinary skill in the art will appreciate that：The step of realizing above method embodiment or part steps can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in computer read/write memory medium, and the program exists
During execution, execution the step of including above method embodiment, and foregoing storage medium includes：ROM, RAM, magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of control method of POS read-write PSAM card informations, the POS includes being used to stick into PSAM row information read-write
Driving chip, it is characterised in that the control method comprises the following steps：
The information list established between the driving chip, interrupt requests instruction and interrupt status；Described information list includes
Corresponding relation between the address information of the driving chip, and interrupt requests instruction and the interrupt status；
When having detected that PSAM card insertions are fashionable, the first interrupt requests instruction for carrying driving chip address is received；
Judge whether the first interrupt requests instruction is effective according to described information list；
If so, the first interrupt status corresponding with the first interrupt requests instruction is then entered according to described information list, with control
The driving chip is made to stick into the PSAM row information reading or stick into the PSAM row information write-in.
2. the control method of POS read-write PSAM card informations as claimed in claim 1, it is characterised in that described in the foundation
Also include step before the step of driving chip, interrupt requests instruct the information list between interrupt status：
To current state carry out initialization process, the current state be traded using the PSAM cards before state or
State after being traded using the PSAM cards.
3. the control method of POS read-write PSAM card informations as claimed in claim 1, it is characterised in that described in the basis
Information list judges whether effective step also includes step afterwards for the first interrupt requests instruction：
If it is not, then receive the instruction of the second interrupt requests；
Into the second interrupt status and prompt to read and write failure information according to second interrupt requests instruction.
4. the control method of POS read-write PSAM card informations as claimed in claim 1, it is characterised in that described in the basis
Information list enters the first interrupt status corresponding with the first interrupt requests instruction, to control the driving chip to described
PSAM stick into row information read the step of be specially：
The first pwm signal corresponding with first interrupt status is sent to the driving chip according to the driving chip address
As clock signal, read with controlling the work schedule of driving chip and row information being sticked into the PSAM；
The information of the PSAM cards to reading is encrypted.
5. the control method of POS read-write PSAM card informations as claimed in claim 1, it is characterised in that described in the basis
Information list enters the first interrupt status corresponding with the first interrupt requests instruction, to control the driving chip to described
PSAM stick into row information write-in the step of be specially：
The second pwm signal corresponding with first interrupt status is sent to the driving chip according to the driving chip address
As clock signal, to control the work schedule of driving chip and row information write-in sticked into the PSAM.
6. a kind of control device of POS read-write PSAM card informations, the POS includes being used to stick into PSAM row information read-write
Driving chip, it is characterised in that the control device includes：
List cell, for establishing the information list between the driving chip, interrupt requests instruction and interrupt status；It is described
Information list includes pair between the address information of the driving chip, and interrupt requests instruction and the interrupt status
It should be related to；
First instruction reception unit, for when having detected that PSAM card insertions are fashionable, receiving in carry driving chip address first
Disconnected request instruction；
Judging unit, for judging whether the first interrupt requests instruction is effective according to described information list；
First execution unit, when result for the judging unit is is, then entered and described the according to described information list
One interrupt requests instruction corresponding to the first interrupt status, with control the driving chip PSAM is sticked into row information read or
Row information write-in is sticked into the PSAM.
7. the control device of POS read-write PSAM card informations as claimed in claim 6, it is characterised in that the control device
Also include step：
Initialization unit, for carrying out initialization process to current state, the current state is to be carried out using the PSAM cards
State before transaction or the state after being traded using the PSAM cards.
8. the control device of POS read-write PSAM card informations as claimed in claim 6, it is characterised in that the control device
Also include step：
Second instruction reception unit, when the result for the judging unit is no, receive the instruction of the second interrupt requests；
Second execution unit, for into the second interrupt status and prompting read-write unsuccessfully to believe according to second interrupt requests instruction
Breath.
9. the control device of POS read-write PSAM card informations as claimed in claim 6, it is characterised in that described first performs
Unit includes：
Reading unit, it is corresponding with first interrupt status for being sent according to the driving chip address to the driving chip
The first pwm signal as clock signal, read with controlling the work schedule of driving chip and row information being sticked into the PSAM；
Ciphering unit, the information for the PSAM cards to reading are encrypted.
10. the control device of POS read-write PSAM card informations as claimed in claim 6, it is characterised in that described first performs
Unit includes：
Writing unit, it is corresponding with first interrupt status for being sent according to the driving chip address to the driving chip
The second pwm signal as clock signal, to control the work schedule of driving chip and row information write-in sticked into the PSAM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714666.2A CN107784756B (en) | 2016-08-24 | 2016-08-24 | Control method and control device for POS machine to read and write PSAM card information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113158201A (en) * | 2021-02-26 | 2021-07-23 | 云码智能(海南)科技有限公司 | Information safety backup method and device |
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| CN2904114Y (en) * | 2005-12-22 | 2007-05-23 | 上海杉德金卡信息系统科技有限公司 | Integrated finance reader-writer |
| CN101587377A (en) * | 2008-05-20 | 2009-11-25 | 庆盟工业股份有限公司 | Card reading device with keypress function and operation method thereof |
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