CN103227720A - Key processing method applied to dynamic token - Google Patents
Key processing method applied to dynamic token Download PDFInfo
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- CN103227720A CN103227720A CN2013100781919A CN201310078191A CN103227720A CN 103227720 A CN103227720 A CN 103227720A CN 2013100781919 A CN2013100781919 A CN 2013100781919A CN 201310078191 A CN201310078191 A CN 201310078191A CN 103227720 A CN103227720 A CN 103227720A
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Abstract
The invention discloses a key processing method applied to a dynamic token, which belongs to the field of computers. The key processing method comprises the steps as follows: after the dynamic token detects that a key waking flag is set, the following operations are performed: firstly, a key is scanned to obtain a key value; whether the key value is empty is judged, the step three is performed if the key value is empty, whether the time ranging from key pressing to key releasing can reach the preset time is detected if the key value is not empty, the key reuse setting is carried out and then the step two is performed if the time ranging from key pressing to key releasing reaches the preset time, and the step two is performed after the key is identified according to the key value if the time ranging from key pressing to key releasing cannot reach the preset time; secondly, the corresponding response operations are performed according to the key type and the system state; and thirdly, the key waking flag is reset. The key processing method allows the size of the dynamic token to be smaller, and enables the dynamic token to be convenient for a user to use and carry about.
Description
Technical field
The invention belongs to computer realm, be specifically related to a kind of button processing method that is applied to dynamic token.
Background technology
Be accompanied by being extensive use of of dynamic token, the function of dynamic token except original basic function, has also increased many new functional modules to development in pluralism.Want to realize these functions, the more button of definition just need be installed manipulate that this function design and appearance design to dynamic token is had higher requirement on the dynamic token panel.Outward appearance small and exquisite easy to carry be a big advantage of dynamic token equipment, the various control panel of button is not easy to the user and uses, therefore press for a kind of novel button processing method, with the purpose that realizes that a key is used more, can make that also the panel designs of dynamic token is more simply attractive in appearance, more convenient user uses.
Summary of the invention
For solving the problems of the technologies described above, the present invention proposes a kind of button processing method that is applied to dynamic token.
The technical scheme that the present invention takes is: a kind of button processing method that is applied to dynamic token, wake sign up and comprise after being set when described dynamic token detects button:
Step S1: the scanning button, obtain key assignments; Judging that whether key assignments is empty, is execution in step S4 then; Pressing the time that button unclamps and whether reach Preset Time otherwise detect button, is execution in step S2 then, otherwise according to execution in step S3 behind the key assignments identification button;
Step S2: button is set according to key assignments, if key assignments be first numerical value then button be set to the key that moves to left, if key assignments be second value then button be set to the key that moves to right, if key assignments be third value then button be set to decimal key, if key assignments be the 4th numerical value then button be set to long delete key, as if key assignments be the 5th numerical value then button be set to power key; Execution in step S3 then;
Step S3: carry out the respective response operation according to push-button type and system mode;
Step S4: wake described button up sign and reset.
Above-mentioned steps S3 is described to be comprised according to push-button type and the operation of system mode execution respective response:
When button is acknowledgement key or delete key or power key, and system mode is off-mode, and then dynamic token start shows the start interface;
When button is that acknowledgement key or delete key and system mode are wait state, then remove the password that shows on the display screen, put system mode and be input challenge code state;
When button is that long delete key and system mode are input challenge code state, then delete all data that show on the display screen;
When button for move to left or move to right key and system mode for input challenge code state, then the display screen video data is moved to left or moves to right eight;
When button is that decimal key and system mode are input challenge code state, then decimal point is shown to the display screen rightmost, original video data moves to left one;
When button is that power key and system mode are non-off-mode, display screen is closed in then dynamic token shutdown, and putting system mode is off-mode;
Described non-off-mode comprises wait state, input challenge code state, input active coding state, setting code state, checks password state, one-level lock-out state, secondary lock-out state.
Above-mentioned steps S3 is described to be specially according to push-button type and the operation of system mode execution respective response:
Step S3: judge push-button type, if delete key is execution in step S3-1 then, if acknowledgement key is execution in step S3-2 then, if numerical key is execution in step S3-3 then, if move to left or the then execution in step S3-4 of key that moves to right, if long delete key is execution in step S3-5 then, if decimal key execution in step S3-6 then, if power key execution in step S3-7 then;
Step S3-1: judge system mode, when system mode is an off-mode, then dynamic token start shows the start interface, execution in step S4; When system mode is a wait state, then remove the password that shows on the display screen, system mode is changed to input challenge code state, execution in step S4; When system mode locks, imports the arbitrary state in the challenge code for input active coding, setting code, inspection password, one-level locking, secondary, then delete the rightmost one digit number certificate of display screen, original video data moves to right one, execution in step S4; When system mode is the then direct execution in step S4 of other states;
Step S3-2: judge system mode, when system mode is an off-mode, then dynamic token start shows the start interface, execution in step S4; When system mode is a wait state, then remove the password that shows on the display screen, system mode is changed to input challenge code state, execution in step S4; When system mode is an input challenge code state, then produce dynamic password, on display screen, show password, system mode is changed to wait state, execution in step S4; When system mode is the arbitrary state in input active coding, setting code, inspection password, one-level locking, the secondary locking, then carry out the affirmation operation back execution in step S4 under the corresponding state; When system mode is the then direct execution in step S4 of other states;
Step S3-3: judge whether system mode is input active coding, setting code, inspection password, one-level locking, secondary locking, imports the arbitrary state in the challenge code, be then the value of numerical key to be shown to the display screen rightmost, original video data moves to left one, then execution in step S4; Otherwise direct execution in step S4;
Step S3-4: judge whether system mode is input active coding state, is then data presented on the display screen to be moved to left or move to right eight, then execution in step S4; Otherwise direct execution in step S4;
Step S3-5: judging whether system mode is input active coding state, is then to delete all data that show on the display screen, execution in step S4 then; Otherwise direct execution in step S4;
Step S3-6: judge whether system mode is input active coding state, is then decimal point to be shown to the display screen rightmost, and original video data moves to left one, then execution in step S4; Otherwise direct execution in step S4;
Step S3-7: judging whether system mode is open state, is then dynamic token start, shows start interface, execution in step S4 then; Otherwise display screen is closed in the dynamic token shutdown, system mode is changed to off-mode, then execution in step S4.
Above-mentioned steps S3 is described to be specially according to push-button type and the operation of system mode execution respective response:
Step S3: judge system mode, when system mode is off-mode execution in step S3-1, when system mode is wait state execution in step S3-2, when system mode is input challenge code state execution in step S3-3, arbitrary state execution in step S3-4 in system mode locks for input active coding, setting code, inspection password, one-level locking, secondary is when system mode is the direct execution in step S3-5 of other states;
Step S3-1: judge push-button type, if power key or delete key or acknowledgement key, then dynamic token start shows the start interface, execution in step S4; If other keys, then direct execution in step S4;
Step S3-2: judge push-button type,, put system mode and be input challenge code state, execution in step S4 if delete key or acknowledgement key are then removed the password that shows on the display screen; If power key, display screen is closed in then dynamic token shutdown, and putting system mode is off-mode, execution in step S4; If other keys, then direct execution in step S4;
Step S3-3: judge push-button type, if numerical key or decimal key are shown to the display screen rightmost with the value or the decimal point of numerical key, original video data moves to left one, execution in step S4; If move to left or the key that moves to right, video data moves to left or moves to right eight on the display screen, execution in step S4; If delete key, deletion display screen rightmost data bit, original video data moves to right one, execution in step S4; If long delete key, all data that show on the deletion display screen, execution in step S4; If acknowledgement key produces dynamic password, on display screen, show dynamic password, system mode is changed to wait state, execution in step S4; If power key, display screen is closed in then dynamic token shutdown, and putting system mode is off-mode, execution in step S4; If other keys, then direct execution in step S4;
Step S3-4: judge push-button type, if numerical key is shown to the display screen rightmost with the value of numerical key, original video data moves to left one, execution in step S4; If delete key, deletion display screen rightmost one digit number certificate, original video data moves to right one, execution in step S4; If acknowledgement key is then carried out the affirmation operation under the corresponding state, execution in step S4; If power key, display screen is closed in then dynamic token shutdown, and putting system mode is off-mode, execution in step S4; If other keys, then direct execution in step S4.
Described method also comprises: whether described dynamic token detects the massage protection sign and is set, and is execution in step A2 then, otherwise execution in step A1;
Steps A 1: button is exported IO mouth output low level, open button and interrupt;
Steps A 2: described dynamic token enters low-speed clock stop mode or park mode, waits for interrupting;
When detecting the RTC interruption, wake RTC up flag set;
When detecting P0 and interrupt, wake button up sign or communication wakes flag set, clear then described interrupt flag register up according to the data in the interrupt flag register;
Steps A 3: described dynamic token enters the high-frequency clock pattern; whether detection has button to wake sign up is set; be then to carry out to return after the respective handling to continue to detect described massage protection sign and whether be set, continue to detect described massage protection sign and whether be set otherwise directly return.
Describedly wake button up sign or communication wakes flag set up and is specially according to the data in the interrupt flag register: whether the highest order of judging described interrupt flag register is 1, be then to wake described communication up flag set, otherwise wake described button up flag set.
When judging that key assignments does not also comprise that zero clearing do not have by key counter when empty, the zero clearing button is pressed counter among the described step S1;
When described dynamic token detect described RTC wake up the sign be set after, described execution respective handling comprises:
Step B1: described nothing being added 1 by key counter, judge whether system mode is wait state, is then to show the time bar by display screen, execution in step B3 then, otherwise execution in step B2;
Step B2: judge described nothing by key counter whether greater than 60, be the described nothing of then zero clearing by key counter, dynamic token shutdown, otherwise execution in step B3;
Step B3: detecting button, judged whether that button presses, is execution in step B4 then, otherwise execution in step B5;
Step B4: described button is pressed counter and is added 1, and the zero clearing button unclamps counter; Judging that whether described button press counter greater than 10, is then dynamic token shutdown, and with described massage protection flag set, the described button of zero clearing is pressed counter, then execution in step B6; Otherwise direct execution in step B6;
Step B5: described button unclamps counter and adds 1, and the described button of zero clearing is pressed counter; Judge that whether button unclamps counter greater than 4, be then described massage protection sign to be resetted that the described button of zero clearing unclamps counter, execution in step B6 then, otherwise direct execution in step B6;
Step B6: whether described dynamic token detects the massage protection sign and is set, and is then button to be exported IO mouth output high level, closes button and interrupts, execution in step B7, otherwise direct execution in step B7;
Step B7: wake described RTC up sign and reset.
Scan button described in the described step S1, obtain key assignments and be specially:
Step 1-1: the switched system clock is the low-speed clock stop mode, initialization scan number of times and long marking keys;
Step 1-2: the run-down button, if there is button to press, writing down current scan values is first scan values, execution in step 1-3; Do not press if there is button, return key assignments for empty;
Step 1-3: continue the scanning button, judge whether button unclamps, if button unclamps, then calculate key assignments,, write down current scan values if button does not unclamp according to current scan values, described scanning times adds 1, and judge whether current scan values equals first scan values, be execution in step 1-4 then, otherwise return key assignments for empty;
Step 1-4: judging whether scanning times reaches 220, is then will long marking keys set, and calculates key assignments according to current scan values, and switching clock is the high-frequency clock pattern; Otherwise continue execution in step 1-3.
Above-mentioned steps S1 be by detect long marking keys whether set detect described button and press the time that button unclamps and whether reach Preset Time.
Described scanning button is meant that scanning is that row and 3 button input IO are that row is formed matrix keyboard by 4 button output IO, and described button was exported IO order output low level respectively when no button was pressed, and described button input IO is input high level respectively;
Described current scan values comprises columns certificate and the row IO position that the described matrix keyboard of scanning obtains, and the computing formula that calculates key assignments according to current scan values is: key assignments=(columns Ju ﹠0x70) ︱ (row IO Wei Zhi ﹠0x0F).
Above-mentioned steps S1 is described to be specially according to key assignments identification button: if key assignments be the 4th numerical value then button be delete key, if key assignments be the 5th numerical value then button be acknowledgement key, if key assignments be first numerical value then button be numerical key 4, if key assignments be second value then button be numerical key 6, if key assignments be third value then button be numerical key 0, if key assignments is the 6th numerical value, the 7th numerical value, the 8th numerical value, the 9th numerical value, the tenth numerical value, the 11 numerical value, the 12 numerical value then button branch corresponds to numerical key 1 respectively, numerical key 2, numerical key 3, numerical key 5, numerical key 7, numerical key 8 and numerical key 9.
The invention has the beneficial effects as follows, adopt the dynamic token of the button processing method that the present invention proposes, can reach volume smaller and more exquisite, use and carry effect more easily, meet user's user demand more.
Description of drawings
Fig. 1 is the workflow diagram of the dynamic token that provides of the embodiment of the invention 1;
Fig. 2 is the communication processing method flow chart of the dynamic token that provides of the embodiment of the invention 1;
Fig. 3-the 1st, the button processing method flow chart of the dynamic token that the embodiment of the invention 2 provides;
Fig. 3-the 2nd, the button processing method flow chart of the dynamic token that the embodiment of the invention 3 provides;
Fig. 4 is the RTC process flow figure of the dynamic token that provides of the embodiment of the invention 1;
Fig. 5 is the refinement flow chart of embodiment 2 steps 202 and embodiment 3 step 202';
Fig. 6 is the refinement flow chart of embodiment 2 step 202-206 and embodiment 3 step 202'-206'.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
As shown in Figure 1, the workflow diagram of the dynamic token that present embodiment provides comprises:
Step 1: device power, initialization;
Comprise particularly: the initialization clock is the high-frequency clock pattern, and the initialization clock is a high speed 500K clock in the present embodiment; The initialization system state, being specially the initialization system flag bit is default value 0, described system sign position is used for the tag system state; Initialization massage protection flag bit is specially the massage protection flag bit is used as default 0; Initialization RTC opens second interruption, initialization LCD driving, an initialization button port, enables communication disruption, opens interrupters.
Wherein, equipment described in the present embodiment is meant dynamic token equipment.
Step 2: judging the whether set of massage protection flag bit, is execution in step 4 then, otherwise execution in step 3;
Particularly, judging whether the massage protection flag bit is 1, is execution in step 4 then, otherwise execution in step 3.
Step 3: button is exported IO mouth output low level, open button and interrupt, order execution in step 4;
Step 4: equipment enters low-speed clock stop mode or park mode, waits for interrupting;
Particularly, when system mode is shutdown and clock output identification when being 0, equipment enters park mode; Otherwise the device shutdown high-frequency clock enters the low-speed clock stop mode, particularly clock is switched to low speed 32K clock.
Step 5: judged whether to interrupt waking up,,, otherwise waited for that interrupting continuation carries out this step if RTC interrupts then execution in step 10 if P0 interrupts then execution in step 6;
Step 6: whether the highest order of judging interrupt flag register is 1, is execution in step 7 then, otherwise execution in step 8;
Particularly, the space of interrupt flag register is preferably 1 byte.
Step 7: wake communication up flag set, execution in step 9;
Preferably, communication is waken up sign and be changed to 1.
Step 8: wake button up flag set, order execution in step 9;
Preferably, button is waken up sign and be changed to 1.
Step 9: clear interrupt flag register, execution in step 11 then;
Step 10: wake RTC up flag set, order execution in step 11;
Preferably, RTC is waken up sign and be changed to 1.
Step 11: equipment enters the high-frequency clock pattern;
Particularly, equipment switches to high speed 500K clock with clock.
Step 12: the communication judged wakes up and indicates whether set, is execution in step 13 then, otherwise execution in step 14;
Preferably, whether the communication judged wakes sign up is 1, is execution in step 13 then, otherwise execution in step 14.
Step 13: enter the communication process flow process, return after the communication process flow process finishes and continue execution in step 14;
Particularly, equipment enters the communication process flow process result data are handled and returned to the director data that receives.General, the communication process flow process when this communication process flow process is frock between equipment and the host computer.
Step 14: judging that button wakes up indicates whether set, is execution in step 15 then, otherwise execution in step 16;
Preferably, judging whether button wakes sign up is 1, is execution in step 15 then, otherwise execution in step 16.
Step 15: enter the button handling process, return after the button handling process finishes and continue execution in step 16;
Particularly, the button handling process is an emphasis of the present invention, realizes the button multiplexing of dynamic token by described button handling process.
Step 16: judging that RTC wakes up indicates whether set, is execution in step 17 then, otherwise returns step 2;
Preferably, judge whether RTC wakes sign up is 1, be execution in step 17 then, otherwise return step 2.
Step 17: enter the RTC handling process, the RTC handling process is returned step 2 after finishing.
Particularly, described RTC handling process has realized the real-time clock and the massage protection of dynamic token.
The communication process flow process specifically comprises as shown in Figure 2 described in the above-mentioned steps 13:
Step 101: communication close interrupts;
Step 102: judge whether to receive wake-up signal, be execution in step 103 then, otherwise return;
Step 103: the IO mouth of will communicating by letter is made as the input port, receives data;
Step 104: the data that receive are handled;
Step 105: the IO mouth of will communicating by letter is made as delivery outlet, sends the result data;
Step 106: open communication disruption;
Step 107: clear and coherent letter wakes sign up, returns then.
Shown in Figure 2 returning is meant that the step 14 of returning Fig. 1 continues to carry out.
When Equipment Inspection wakes the described button handling process of step 15 that sign enters after being set up to button, comprising:
Step S1: the scanning button, obtain key assignments; Judging that whether key assignments is empty, is execution in step S4 then; Pressing the time that button unclamps and whether reach Preset Time otherwise detect button, is execution in step S2 then, otherwise according to execution in step S3 behind the key assignments identification button;
Step S2: button is set according to key assignments, if key assignments be first numerical value then button be set to the key that moves to left, if key assignments be second value then button be set to the key that moves to right, if key assignments be third value then button be set to decimal key, if key assignments be the 4th numerical value then button be set to long delete key, as if key assignments be the 5th numerical value then button be set to power key; Execution in step S3 then;
Step S3: carry out the respective response operation according to push-button type and system mode;
Describedly carry out the respective response operation according to push-button type and system mode and comprise:
When button is acknowledgement key or delete key or power key, and system mode is off-mode, and then dynamic token start shows the start interface;
When button is acknowledgement key or delete key, and system mode is wait state, then removes the password that display screen shows, puts system mode and is input challenge code state;
When button is that long delete key and system mode are input challenge code state, then delete all data of display screen demonstration;
When button is input challenge code state for move to left or move to right key and system mode, then the display screen video data moves to left or moves to right eight;
When button is that decimal key and system mode are input challenge code state, then decimal point is shown to the display screen rightmost, and original video data moves to left one;
When button is that power key and system mode are non-off-mode, display screen is closed in then dynamic token shutdown, and putting system mode is off-mode;
Described non-off-mode comprises wait state, input challenge code state, input active coding state, setting code state, checks password state, one-level lock-out state, secondary lock-out state.
Step S4: wake described button up sign and reset;
The described RTC handling process of the step 17 of flow process shown in Figure 1 specifically comprises as shown in Figure 4:
Step 301: nothing adds 1 by key counter;
Step 302: judging whether system mode is wait state, is execution in step 303 then, otherwise execution in step 304;
Step 303: show the time bar by liquid crystal display screen, execution in step 306 then;
Step 304: judge not having and whether to press key counter greater than 60, is execution in step 305 then, otherwise execution in step 306;
Step 305: zero clearing does not have by key counter, equipment shutdown, order execution in step 306;
Step 306: detecting button, judged whether that button presses, is execution in step 307 then, otherwise execution in step 310;
Step 307: button is pressed counter and is added 1, and the zero clearing button unclamps counter;
Step 308: judging that whether button press counter greater than 10, is execution in step 309 then, otherwise execution in step 313;
Step 309: the equipment shutdown, set massage protection sign, the zero clearing button is pressed counter, and execution in step 313 then;
Step 310: button unclamps counter and adds 1, and the zero clearing button is pressed counter;
Step 311: judging that whether button unclamps counter greater than 4, is execution in step 312 then, otherwise execution in step 313;
Step 312: clear massage protection sign, the zero clearing button unclamps counter, order execution in step 313;
Step 313: judging the whether set of massage protection sign, is execution in step 314 then, otherwise execution in step 315;
Step 314: button is exported IO mouth output high level, close button and interrupt, order execution in step 315;
Step 315: clear RTC wakes sign up, returns step 2 shown in Figure 1.
Embodiment 2
On the basis of embodiment 1, the implementation of the described button handling process of the step 15 of its Fig. 1 specifically comprises shown in Fig. 3-1:
Step 201: close button and interrupt;
Step 202: the scanning button, obtain key assignments;
Particularly, 4 buttons output IO and 3 buttons input IO form matrix keyboards, button output IO order output low level respectively during no button, button input IO difference input high level; The scanning button, obtain key assignments and be specially: judge whether button input IO has low level, if do not have, then returns the key assignments sky, if low level is arranged, the position judgment of exporting IO and button input IO according to current button draws key assignments, and returns corresponding key assignments.
Step 203: judging that whether key assignments is empty, is execution in step 208 then, otherwise execution in step 204;
Step 204: detecting button and press the time that button unclamps and whether reach Preset Time, is execution in step 205 then, otherwise execution in step 206;
Particularly, pressing button from button and unclamp record and obtain a time value in the present embodiment, judge whether this time value reaches 1.5 seconds, is execution in step 205 then, otherwise execution in step 206.
Step 205: button is set according to key assignments; Execution in step 207 then;
Specifically comprise:
When key assignments equaled the key assignments of numerical key 4, button was set to the key that moves to left;
When key assignments equaled the key assignments of delete key, button was set to long delete key;
When key assignments equaled the key assignments of numerical key 0, button was set to decimal key;
When key assignments equaled the key assignments of numerical key 6, button was set to the key that moves to right;
Step 206: according to key assignments identification button; Execution in step 207 then;
Specifically comprise: if key assignments be the 4th numerical value then button be delete key, if key assignments be the 5th numerical value then button be acknowledgement key, if key assignments be first numerical value then button be numerical key 4, if key assignments be second value then button be numerical key 6, if key assignments be third value then button be numerical key 0, if key assignments be the 6th numerical value, the 7th numerical value, the 8th numerical value, the 9th numerical value, the tenth numerical value, the 11 numerical value, the 12 numerical value then button divide and to correspond to numerical key 1, numerical key 2, numerical key 3, numerical key 5, numerical key 7, numerical key 8 and numerical key 9 respectively.
Step 207: judge system mode, and according to execution in step 208 behind system mode and the push-button type execution corresponding operating;
Particularly, dynamic token comprises according to system mode and push-button type execution corresponding operating:
When system mode is off-mode and button when being acknowledgement key or delete key or power key, the token start shows execution in step 208 behind the start interface, otherwise direct execution in step 208;
When system mode for input active coding, setting code, inspection password, one-level locking, secondary locking in during any state, judge push-button type:
When button is numerical key, the value of numerical key is shown to the display screen rightmost, original video data moves to left one; Wherein, described numerical key comprises numerical key 0-9.
When button is delete key, the data that deletion display screen rightmost is, original video data moves to right one;
When button is acknowledgement key, carry out the affirmation operation under the corresponding state;
When button was power key, display screen was closed in the token shutdown, and putting system mode is off-mode;
When button is other, direct redirect execution in step 208.
When system mode is input challenge code state, judge push-button type:
When button is numerical key or decimal key, the value of numerical key is shown to the display screen rightmost, original video data moves to left one; Wherein, described numerical key comprises numerical key 0-9.
When button when moving to left key, the display screen video data moves to left eight;
When button when moving to right key, the display screen video data moves to right eight;
When button is delete key, deletion display screen rightmost one digit number certificate, original video data moves to right one;
When button is long delete key, all data that show on the deletion display screen;
When button is acknowledgement key, produce dynamic password, show dynamic password, putting system mode is wait state;
When button was power key, display screen was closed in the token shutdown, and putting system mode is off-mode;
When button is other, direct redirect execution in step 208.
When system mode is wait state, judge push-button type:
When button is delete key or acknowledgement key, remove the password that display screen shows, put system mode and be input challenge code state;
When button was power key, display screen was closed in the token shutdown, and putting system mode is off-mode;
When button is other, direct redirect execution in step 208.
When system mode is other states, execution in step 208.
Step 208: clear button wakes sign up, returns step 16 shown in Figure 1 then.
Step 202 shown in Fig. 3 in the present embodiment-1 scanning button, the idiographic flow that obtains key assignments comprises as shown in Figure 5:
Step 3-1: the switched system clock is the low-speed clock stop mode, initialization scan number of times and long marking keys;
Step 3-2: the run-down button, judged whether that button presses, be execution in step 3-3 then, otherwise key assignments is empty, execution in step 3-10;
Step 3-3: writing down current scan values is first scan values;
Step 3-4: continuing the scanning button, judge whether button unclamps, is execution in step 3-9 then, otherwise execution in step 3-5;
Step 3-5: write down current scan values, scanning times adds 1;
Step 3-6: judging whether current scan values equals first scan values, is execution in step 3-7 then, otherwise key assignments is empty, execution in step 3-10;
Step 3-7: judge whether scanning times reaches 220, be execution in step 3-8 then, otherwise return step 3-4;
Step 3-8: will long marking keys set, order execution in step 3-9;
Step 3-9: calculate key assignments according to current scan values;
In the present embodiment, described current scan values comprises columns certificate and the row IO position that the described matrix keyboard of scanning obtains, the computing formula that calculates key assignments according to current scan values is: key assignments=(～ColInEffect﹠0x70) ︱ (iEffect﹠0x0F), wherein ColInEffect is the columns certificate, and iEffect is row IO position.
Step 3-10: the switched system clock is the high-frequency clock pattern.
Step 202-206 can be specially following process shown in Fig. 3 in the present embodiment-1, as shown in Figure 6:
When carrying out key scan, at first the switched system clock defines correlated variables and initialization: Longkey=0, ColInEffect=0, iEffect=0 to the 32K low-speed clock; Read row IO Zhuan ﹠0x70, obtain the columns certificate; Judging columns according to whether equaling one of three preset values (0x30,0x50,0x60), is then to begin the 1st scanning, otherwise returns key assignments for empty, execution in step 2-12;
The 1st scanning beginning:
1-1: put cyclic variable i=0, line output variable R owOut=0x01;
1-2: give row IO output with line output variable step-by-step negate assignment, IO output at once=～RowOut;
1-3: reading row IO Zhuan Tai ﹠0x70, obtain the columns certificate, judge whether the columns certificate equals preset value, is 1-4 then, otherwise 1-5;
The preset value of present embodiment is 0x30 or 0x50 or 0x60;
1-4: the record columns is according to being ColIn0, and the value of record i is i0; Enter the 2-220 time scanning;
1-5:RowOut moves to left one, and i adds 1, judges whether set up i＜4, is then to return 1-2, otherwise returns key assignments for empty, execution in step 2-12.
The 2-220 time scanning beginning:
2-1: put cyclic variable j=0;
2-2: put key number variable KeyNum=0, press sign flagdown=0; Cyclic variable i=0, line output variable R owOut=0x01;
2-3: give row IO output with line output variable step-by-step negate assignment, IO output at once=～RowOut;
2-4: read row IO state, obtain the columns certificate, judge columns, be then to put to press to continue next step after indicating flagdown=1, otherwise directly enter next step according to whether being not equal to 0x70;
2-5: judging columns according to whether equaling preset value, is then to write down columns according to being ColInEffect, and the value of record i is iEffect, and KeyNum adds 1 back and continues next step, otherwise directly enters next step;
The preset value of present embodiment is 0x30 or 0x50 or 0x60;
2-6:RowOut moves to left one, and i adds 1, judges whether set up i＜4, is then to return 2-3, otherwise enters next step;
=i0 is then to return key assignments for empty, execution in step 2-12, otherwise continue next step;
2-8: judge whether KeyNum＞1 sets up, be then to return key assignments, otherwise continue next step for empty;
2-9: judge whether set up, be then to continue next step, otherwise j adds 1 if pressing sign flagdown=0, judge whether set up j＜220, is then to return 2-2, otherwise continue next step;
2-10: judge whether j＜5 set up, be then to return key assignments for empty, otherwise judge whether j=220 sets up, be then to put calculation key keyvalue behind the long button mark Longkey=1, otherwise direct calculation key keyvalue, computing formula is: the ︱ (iEffect﹠0x0F) of keyvalue=(～ColInEffect﹠0x70);
2-11: zero clearing does not have by key counter, and the zero clearing button is pressed counter;
Judge whether long marking keys is 1, is then according to key assignments button to be set, execution in step 2-12, otherwise according to key assignments identification button, execution in step 2-12;
Particularly, comprise according to key assignments keyvalue identification button:
Keyvalue=0x10 represents numerical key 1, keyvalue=0x11 represents numerical key 4, and keyvalue=0x12 represents numerical key 7, and keyvalue=0x13 represents delete key, keyvalue=0x43 represents acknowledgement key, keyvalue=0x21 represents numerical key 5, and keyvalue=0x22 represents numerical key 8, and keyvalue=0x23 represents numerical key 0, keyvalue=0x40 represents numerical key 3, keyvalue=0x41 represents numerical key 6, and keyvalue=0x42 represents numerical key 9, and keyvalue=0x20 represents numerical key 2.
Particularly, according to key assignments keyvalue button being set comprises:
Button is set during keyvalue=0x11 is the key that moves to left, it is long delete key that button is set during keyvalue=0x13, it is decimal key that button is set during keyvalue=0x23, button is set during keyvalue=0x41 is the key that moves to right, and it is power key that button is set during keyvalue=0x43.
2-12: the switched system clock is to the 500K high-frequency clock.
Further, for the first time read columns according to the time can also add the anti-shake processing of keyboard of 5 milliseconds of time-delays.
On the basis of embodiment 1, the implementation of the described button handling process of the step 15 of its Fig. 1 can also be shown in Fig. 3-2, specifically comprises:
Step 201': close button and interrupt;
Step 202': the scanning button, obtain key assignments;
Step 203': judge that whether key assignments is empty, be execution in step 208' then, otherwise carry out next step;
Step 204': detecting button and press the time that button unclamps and whether reach Preset Time, is execution in step 205' then, otherwise execution in step 206';
Particularly, pressing button from button and unclamp record and obtain a time value in the present embodiment, judge whether this time value reaches 1.5 seconds, is execution in step 205' then, otherwise execution in step 206'.
Step 205': according to key assignments button is set, execution in step 207 ';
Describedly according to key assignments button is set and specifically comprises:
When key assignments equaled the key assignments of numerical key 4, button was set to the key that moves to left;
When key assignments equaled the key assignments of delete key, button was set to long delete key;
When key assignments equaled the key assignments of numerical key 0, button was set to decimal key;
When key assignments equaled the key assignments of numerical key 6, button was set to the key that moves to right;
Step 206': according to key assignments identification button, execution in step 207';
Describedly specifically comprise according to key assignments identification button: if key assignments be the 4th numerical value then button be delete key, if key assignments be the 5th numerical value then button be acknowledgement key, if key assignments be first numerical value then button be numerical key 4, if key assignments be second value then button be numerical key 6, if key assignments be third value then button be numerical key 0, if key assignments is the 6th numerical value, the 7th numerical value, the 8th numerical value, the 9th numerical value, the tenth numerical value, the 11 numerical value, the 12 numerical value then button branch corresponds to numerical key 1 respectively, numerical key 2, numerical key 3, numerical key 5, numerical key 7, numerical key 8 and numerical key 9.
Step 207': judge push-button type;
When button is delete key, judge system mode:
System mode is an off-mode, and then token start shows the start interface, execution in step 208';
System mode is a wait state, then removes the password that shows on the display screen, puts system mode and is input challenge code state, execution in step 208';
System mode locks, imports one of them in the challenge code for input active coding, setting code, inspection password, one-level locking, secondary, the data of then deleting one of display screen rightmost, and original video data moves to right one, execution in step 208';
When system mode is other states, direct execution in step 208'.
When button is acknowledgement key, judge system mode:
System mode is an off-mode, and then token start shows the start interface, execution in step 208';
System mode is a wait state, then removes the password that shows on the display screen, puts system mode and is input challenge code state, execution in step 208';
System mode then produces dynamic password for input challenge code state, shows dynamic password, and putting system mode is wait state, execution in step 208';
System mode is then carried out the affirmation operation under the corresponding state, execution in step 208' for importing one of them in active coding, setting code, inspection password, one-level locking, the secondary locking;
When system mode is other states, direct execution in step 208'.
When button is numerical key 0-9, judge whether system mode equals to input one of them in active coding, setting code, inspection password, one-level locking, secondary locking, the input challenge code state, be then the value of numerical key to be shown to the display screen rightmost, original video data moves to left one, then execution in step 208'; Otherwise direct execution in step 208';
When button when moving to left or moving to right key, judge whether system mode equals to import the challenge code state, be that then the display screen video data moves to left or move to right eight, execution in step 208' then; Otherwise direct execution in step 208';
When button is long delete key, judge whether system mode equals to import the challenge code state, be then to delete all data that display screen shows, execution in step 208' then; Otherwise direct execution in step 208';
When button is decimal key, judge whether system mode equals to import the challenge code state, be then decimal point to be shown to the display screen rightmost, original video data moves to left one, then execution in step 208'; Otherwise direct execution in step 208';
When button is power key, judge whether system mode equals shutdown, be then token start, show the start interface, then execution in step 208 '; Otherwise display screen is closed in the token shutdown, and putting system mode is off-mode, then execution in step 208';
Step 208': clear button wakes sign up.Return step 16 then.
Scan button among the above-mentioned steps 202', the detailed process of obtaining key assignments is with shown in Figure 5 identical among the embodiment 2.The specific implementation process of above-mentioned steps 202'-206' is with shown in Figure 6 identical among the embodiment 2.Do not repeat them here.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (11)
1. a button processing method that is applied to dynamic token is characterized in that, wakes sign up and comprises after being set when described dynamic token detects button:
Step S1: the scanning button, obtain key assignments; Judging that whether key assignments is empty, is execution in step S4 then; Pressing the time that button unclamps and whether reach Preset Time otherwise detect button, is execution in step S2 then, otherwise according to execution in step S3 behind the key assignments identification button;
Step S2: button is set according to key assignments, if key assignments be first numerical value then button be set to the key that moves to left, if key assignments be second value then button be set to the key that moves to right, if key assignments be third value then button be set to decimal key, if key assignments be the 4th numerical value then button be set to long delete key, as if key assignments be the 5th numerical value then button be set to power key; Execution in step S3 then;
Step S3: carry out the respective response operation according to push-button type and system mode;
Step S4: wake described button up sign and reset.
2. method according to claim 1 is characterized in that, step S3 is described to be comprised according to push-button type and the operation of system mode execution respective response:
When button is acknowledgement key or delete key or power key, and system mode is off-mode, and then dynamic token start shows the start interface;
When button is that acknowledgement key or delete key and system mode are wait state, then remove the password that shows on the display screen, put system mode and be input challenge code state;
When button is that long delete key and system mode are input challenge code state, then delete all data that show on the display screen;
When button for move to left or move to right key and system mode for input challenge code state, then the display screen video data is moved to left or moves to right eight;
When button is that decimal key and system mode are input challenge code state, then decimal point is shown to the display screen rightmost, original video data moves to left one;
When button is that power key and system mode are non-off-mode, display screen is closed in then dynamic token shutdown, and putting system mode is off-mode;
Described non-off-mode comprises wait state, input challenge code state, input active coding state, setting code state, checks password state, one-level lock-out state, secondary lock-out state.
3. method according to claim 1 is characterized in that, step S3 is described to be specially according to push-button type and the operation of system mode execution respective response:
Step S3: judge push-button type, if delete key is execution in step S3-1 then, if acknowledgement key is execution in step S3-2 then, if numerical key is execution in step S3-3 then, if move to left or the then execution in step S3-4 of key that moves to right, if long delete key is execution in step S3-5 then, if decimal key execution in step S3-6 then, if power key execution in step S3-7 then;
Step S3-1: judge system mode, when system mode is an off-mode, then dynamic token start shows the start interface, execution in step S4; When system mode is a wait state, then remove the password that shows on the display screen, system mode is changed to input challenge code state, execution in step S4; When system mode locks, imports the arbitrary state in the challenge code for input active coding, setting code, inspection password, one-level locking, secondary, then delete the rightmost one digit number certificate of display screen, original video data moves to right one, execution in step S4; When system mode is the then direct execution in step S4 of other states;
Step S3-2: judge system mode, when system mode is an off-mode, then dynamic token start shows the start interface, execution in step S4; When system mode is a wait state, then remove the password that shows on the display screen, system mode is changed to input challenge code state, execution in step S4; When system mode is an input challenge code state, then produce dynamic password, on display screen, show password, system mode is changed to wait state, execution in step S4; When system mode is the arbitrary state in input active coding, setting code, inspection password, one-level locking, the secondary locking, then carry out the affirmation operation back execution in step S4 under the corresponding state; When system mode is the then direct execution in step S4 of other states;
Step S3-3: judge whether system mode is input active coding, setting code, inspection password, one-level locking, secondary locking, imports the arbitrary state in the challenge code, be then the value of numerical key to be shown to the display screen rightmost, original video data moves to left one, then execution in step S4; Otherwise direct execution in step S4;
Step S3-4: judge whether system mode is input active coding state, is then data presented on the display screen to be moved to left or move to right eight, then execution in step S4; Otherwise direct execution in step S4;
Step S3-5: judging whether system mode is input active coding state, is then to delete all data that show on the display screen, execution in step S4 then; Otherwise direct execution in step S4;
Step S3-6: judge whether system mode is input active coding state, is then decimal point to be shown to the display screen rightmost, and original video data moves to left one, then execution in step S4; Otherwise direct execution in step S4;
Step S3-7: judging whether system mode is open state, is then dynamic token start, shows start interface, execution in step S4 then; Otherwise display screen is closed in the dynamic token shutdown, system mode is changed to off-mode, then execution in step S4.
4. method according to claim 1 is characterized in that, step S3 is described to be specially according to push-button type and the operation of system mode execution respective response:
Step S3: judge system mode, when system mode is off-mode execution in step S3-1, when system mode is wait state execution in step S3-2, when system mode is input challenge code state execution in step S3-3, arbitrary state execution in step S3-4 in system mode locks for input active coding, setting code, inspection password, one-level locking, secondary is when system mode is the direct execution in step S3-5 of other states;
Step S3-1: judge push-button type, if power key or delete key or acknowledgement key, then dynamic token start shows the start interface, execution in step S4; If other keys, then direct execution in step S4;
Step S3-2: judge push-button type,, put system mode and be input challenge code state, execution in step S4 if delete key or acknowledgement key are then removed the password that shows on the display screen; If power key, display screen is closed in then dynamic token shutdown, and putting system mode is off-mode, execution in step S4; If other keys, then direct execution in step S4;
Step S3-3: judge push-button type, if numerical key or decimal key are shown to the display screen rightmost with the value or the decimal point of numerical key, original video data moves to left one, execution in step S4; If move to left or the key that moves to right, video data moves to left or moves to right eight on the display screen, execution in step S4; If delete key, deletion display screen rightmost data bit, original video data moves to right one, execution in step S4; If long delete key, all data that show on the deletion display screen, execution in step S4; If acknowledgement key produces dynamic password, on display screen, show dynamic password, system mode is changed to wait state, execution in step S4; If power key, display screen is closed in then dynamic token shutdown, and putting system mode is off-mode, execution in step S4; If other keys, then direct execution in step S4;
Step S3-4: judge push-button type, if numerical key is shown to the display screen rightmost with the value of numerical key, original video data moves to left one, execution in step S4; If delete key, deletion display screen rightmost one digit number certificate, original video data moves to right one, execution in step S4; If acknowledgement key is then carried out the affirmation operation under the corresponding state, execution in step S4; If power key, display screen is closed in then dynamic token shutdown, and putting system mode is off-mode, execution in step S4; If other keys, then direct execution in step S4.
5. according to the described method of the arbitrary claim of claim 1-4, it is characterized in that described method also comprises: whether described dynamic token detects the massage protection sign and is set, and is execution in step A2 then, otherwise execution in step A1;
Steps A 1: button is exported IO mouth output low level, open button and interrupt;
Steps A 2: described dynamic token enters low-speed clock stop mode or park mode, waits for interrupting;
When detecting the RTC interruption, wake RTC up flag set;
When detecting P0 and interrupt, wake button up sign or communication wakes flag set, clear then described interrupt flag register up according to the data in the interrupt flag register;
Steps A 3: described dynamic token enters the high-frequency clock pattern; whether detection has button to wake sign up is set; be then to carry out to return after the respective handling to continue to detect described massage protection sign and whether be set, continue to detect described massage protection sign and whether be set otherwise directly return.
6. the method for stating according to claim 5, it is characterized in that, describedly wake button up sign or communication wakes flag set up and is specially according to the data in the interrupt flag register: whether the highest order of judging described interrupt flag register is 1, be then to wake described communication up flag set, otherwise wake described button up flag set.
7. the method for stating according to claim 5 is characterized in that, when judging that key assignments does not also comprise that zero clearing do not have by key counter when empty, the zero clearing button is pressed counter among the described step S1;
When described dynamic token detect described RTC wake up the sign be set after, described execution respective handling comprises:
Step B1: described nothing being added 1 by key counter, judge whether system mode is wait state, is then to show the time bar by display screen, execution in step B3 then, otherwise execution in step B2;
Step B2: judge described nothing by key counter whether greater than 60, be the described nothing of then zero clearing by key counter, dynamic token shutdown, otherwise execution in step B3;
Step B3: detecting button, judged whether that button presses, is execution in step B4 then, otherwise execution in step B5;
Step B4: described button is pressed counter and is added 1, and the zero clearing button unclamps counter; Judging that whether described button press counter greater than 10, is then dynamic token shutdown, and with described massage protection flag set, the described button of zero clearing is pressed counter, then execution in step B6; Otherwise direct execution in step B6;
Step B5: described button unclamps counter and adds 1, and the described button of zero clearing is pressed counter; Judge that whether button unclamps counter greater than 4, be then described massage protection sign to be resetted that the described button of zero clearing unclamps counter, execution in step B6 then, otherwise direct execution in step B6;
Step B6: whether described dynamic token detects the massage protection sign and is set, and is then button to be exported IO mouth output high level, closes button and interrupts, execution in step B7, otherwise direct execution in step B7;
Step B7: wake described RTC up sign and reset.
8. according to the described method of the arbitrary claim of claim 1-4, it is characterized in that, scan button described in the described step S1, obtain key assignments and be specially:
Step 1-1: the switched system clock is the low-speed clock stop mode, initialization scan number of times and long marking keys;
Step 1-2: the run-down button, if there is button to press, writing down current scan values is first scan values, execution in step 1-3; Do not press if there is button, return key assignments for empty;
Step 1-3: continue the scanning button, judge whether button unclamps, if button unclamps, then calculate key assignments,, write down current scan values if button does not unclamp according to current scan values, described scanning times adds 1, and judge whether current scan values equals first scan values, be execution in step 1-4 then, otherwise return key assignments for empty;
Step 1-4: judging whether scanning times reaches 220, is then will long marking keys set, and calculates key assignments according to current scan values, and switching clock is the high-frequency clock pattern; Otherwise continue execution in step 1-3.
9. method according to claim 8 is characterized in that, described step S1 be by detect long marking keys whether set detect described button and press the time that button unclamps and whether reach Preset Time.
10. method according to claim 8, it is characterized in that, described scanning button is meant that scanning is that row and 3 button input IO are that row is formed matrix keyboard by 4 button output IO, described button output IO difference order output low level when no button is pressed, described button input IO is input high level respectively;
Described current scan values comprises columns certificate and the row IO position that the described matrix keyboard of scanning obtains, and the computing formula that calculates key assignments according to current scan values is: key assignments=(columns Ju ﹠0x70) ︱ (row IO Wei Zhi ﹠0x0F).
11. method according to claim 1, it is characterized in that, described step S1 is described to be specially according to key assignments identification button: if key assignments be the 4th numerical value then button be delete key, if key assignments be the 5th numerical value then button be acknowledgement key, if key assignments be first numerical value then button be numerical key 4, if key assignments be second value then button be numerical key 6, if key assignments be third value then button be numerical key 0, if key assignments is the 6th numerical value, the 7th numerical value, the 8th numerical value, the 9th numerical value, the tenth numerical value, the 11 numerical value, the 12 numerical value then button branch corresponds to numerical key 1 respectively, numerical key 2, numerical key 3, numerical key 5, numerical key 7, numerical key 8 and numerical key 9.
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| CN103227720B (en) | 2015-09-23 |
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