CN100428113C - One key on-and-off unit for computer and reset device and method - Google Patents
One key on-and-off unit for computer and reset device and method Download PDFInfo
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- CN100428113C CN100428113C CNB2005101323398A CN200510132339A CN100428113C CN 100428113 C CN100428113 C CN 100428113C CN B2005101323398 A CNB2005101323398 A CN B2005101323398A CN 200510132339 A CN200510132339 A CN 200510132339A CN 100428113 C CN100428113 C CN 100428113C
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Abstract
This invention provides one button switching, resetting device and the method. This device includes input circuit, input signal processor circuit and output circuit. And input circuit can transmit the corresponding high or low electricity into the signal input processor circuit according to the signal from the button. The signal input circuit can judge the input high and low electricity and its duration. According to the judging result the corresponding electricity signal will transmit to the output circuit, which will transfer the electrical lever from the signal input processor circuit into corresponding high electricity lever or low electricity lever, and the transition signal transport to the main board of the computer and control the computer's switch and reset. The device of this invention only needs a button installed on the computer case and this can control the switch of the computer and reset, and resolve the misuse of switching button and resetting button in traditional computer by the mistake of the operator.
Description
Technical field
The present invention relates to computer realm, particularly relate to a kind of computing machine one bond switching machine and resetting means and method.
Background technology
As everyone knows, the front panel of computing machine has comprised switching on and shutting down button, reset key and other LED light, the user realizes computer booting by trigger switch machine button (PWR Button), enter into operating system again, if running into some fault or particular condition can reset to computing machine by triggering reset key (ResetButton), perhaps under some fault condition, the user can keep trigger switch machine button 4 seconds that computing machine is carried out forced shutdown.
But traditional under many circumstances design can bring some puzzlements, such as user sometimes be difficult to distinguish or careless with the switching on and shutting down button as reset key, perhaps reset key is used as the switching on and shutting down button.Be in the WINDOWS operating system and work as computing machine, the switching on and shutting down button is generally defined as standby or sleep mode, if the user wants to allow system enter holding state, but mistake triggers reset key, and the result makes system reset; Same reason, if the user has wanted to allow system reset and false triggering switching on and shutting down buttons have just entered the holding state that wouldn't like to enter, the function if the switching on and shutting down button is defined by shutting down, that will lose the data that the user does not preserve.In addition, the user upgrades to mainboard BIOS through regular meeting, all can allow computing machine paralyse if cut off the power supply, shut down, reset in the middle of upgrading, does not have special Method and kit for to be difficult to computing machine is returned to normal state.In fact, the user is in the BIOS refresh process of being everlasting, and whether careless or not clear and definite BIOS refreshes when finishing, because triggered switching on and shutting down or reset key paralyses computing machine.
In this case, computer vendors can solve problem by the approach of change switching on and shutting down and reset key profile and position usually:
Approach one: design the switching on and shutting down button bigger and eye-catching, reset key designs for a short time and is not easy and is triggered to, and the reset key that has even need pencil stub just can be triggered to uses very inconvenient.
Approach two: switching on and shutting down button and reset key are designed in the position far away of meeting, good certainly for a familiar people, but one was not used the people of this computing machine just to can not find reset key probably.
Mechanical switching on and shutting down button and reset key change-over switch are arranged in the market, can be fixed to the front panel of computer cabinet, can shield shutdown button or reset key, during such as closed condition reset key is shielded, the start back only allows reset key work by stirring change-over switch with the shielding of switching on and shutting down button.This method is applied in some server fields, but this design can only be kept a kind of function, is to exchange the maloperation that may exist for the cost of giving up another kind of function, has used tangible limitation.
Summary of the invention
The objective of the invention is provides a kind of computing machine one bond switching machine and resetting means at the problems referred to above, realizes switching on and shutting down, resets, prevents the integrated design of maloperation function, reaches the purpose of safe handling computing machine.Another object of the present invention provides a kind of computing machine one bond switching machine and repositioning method.
Computing machine one bond switching machine and resetting means of the present invention comprises input circuit, input signal treatment circuit and output circuit.Wherein, input circuit outputs to the input signal treatment circuit according to push button signalling with corresponding high-low level; The input signal treatment circuit was judged the high-low level and the duration thereof of input, obtained the triggering situation of button according to judgement, and corresponding level signal is outputed to output circuit; Output circuit converts the level signal of input signal treatment circuit output to corresponding high level or low level signal, and the signal after will changing outputs to the computer motherboard circuit, the switching on and shutting down of control computer and resetting.
Computing machine one bond switching machine and repositioning method of the present invention may further comprise the steps:
Step 1 produces corresponding high-low level according to push button signalling;
Step 2 is judged high-low level and duration thereof, draws the triggering situation of button, and exports corresponding level signal respectively according to the triggering situation of button;
Step 3 converts level signal to corresponding high level or low level signal, and the signal after will changing outputs to the computer motherboard circuit, the switching on and shutting down of control computer and resetting.
Compared with prior art, by computing machine one bond switching machine of the present invention and resetting means and method, the user can use a button to realize switching on and shutting down, the reset operation of computing machine, can avoid in the specific occasion the maloperation of switching on and shutting down and reset key simultaneously, when realizing multiple function, the user can also be in the setting picture of BIOS free selector switch machine and the pairing key mode of reset operation, realize user's individual demand.
Description of drawings
Fig. 1 is the structural representation of computing machine one bond switching machine of the present invention and resetting means.
Fig. 2 is the synoptic diagram of the input circuit of computing machine one bond switching machine of the present invention and resetting means.
Fig. 3 is the synoptic diagram of the output circuit of computing machine one bond switching machine of the present invention and resetting means.
Fig. 4 is the concrete implementation figure of computing machine one bond switching machine of the present invention and resetting means.
Fig. 5 is the connection layout of single-chip microcomputer and EEPROM and mainboard I2C bus among the present invention.
Embodiment
Describe the present invention below with reference to accompanying drawing.
As shown in Figure 1, computing machine one bond switching machine and resetting means of the present invention comprises input circuit, input signal treatment circuit and output circuit, and above-mentioned each circuit has utilized main frame ATX power supply.Wherein, input circuit outputs to the input signal treatment circuit according to push button signalling with corresponding high-low level, in the present invention, when button is pressed, output low level, when button is decontroled, the output high level; The input signal treatment circuit was judged the high-low level and the duration thereof of input, obtained the triggering situation of button according to judgement, and promptly single keys presses triggers, twice button trigger and continue button and trigger, and more corresponding level signal is outputed to output circuit; Output circuit converts the level signal of input signal treatment circuit output to corresponding high level or low level signal, and the signal after will changing outputs to the computer motherboard circuit, the switching on and shutting down of control computer and resetting.By computing machine one bond switching machine and resetting means of the present invention, can only a button need be set on the computer cabinet panel and just can realize computer on/off and reset operation, solve in the traditional computer the maloperation that the carelessness owing to the user causes simultaneously switching on and shutting down button and reset key.
Further, above-mentioned input signal treatment circuit comprises: key press detecting circuit, according to the state of the level signal detection button of importing; The button timing circuit triggers when detecting low level by key press detecting circuit, is used to detect button and presses the duration; Button metering circuit triggers when being checked through high level by key press detecting circuit, is used for effective single keys presses is counted.Wherein, the button timing circuit comprises first timer and first counter, and button metering circuit comprises second timer and second counter.The back will in conjunction with Fig. 4 respectively to single keys presses trigger, twice button trigger and continue the concrete implementation that button triggers and be described further.
Fig. 2 is the synoptic diagram of input circuit, i.e. the synoptic diagram of the circuit of input signal treatment circuit sampling push button signalling.When button was pressed, output low level when button is decontroled, was then exported high level.Electric capacity wherein carries out shaping and the low level signal after the shaping is outputed to the input signal treatment circuit the low level signal that triggers, the capacitance of this electric capacity this can for but be not limited to 1uf.For those of ordinary skills, be understandable that, the electric capacity of different capacitances can be set according to different situations.
Fig. 3 is the synoptic diagram of output circuit.Wherein, the input signal treatment circuit triggers status signals with button and outputs to output circuit by first output port, second output port and the 3rd output port.The level signal of first output port outputs to the switching on and shutting down button logical circuit (PWRButton Logic) of mainboard after a phase inverter is anti-phase.Like this, when the single keys presses trigger pip, the first output port output low level is reversed the switching on and shutting down button logical circuit that outputs to mainboard behind the high level, realizes the computer booting function.
The level signal of second output port outputs to the reset key logical circuit (Reset Button Logic) of mainboard after a phase inverter is anti-phase.Like this, when twice button trigger pip, second output port output high level is reversed the reset key logical circuit that outputs to mainboard after the low level, realizes the computing machine reset function.
The 3rd output port is connected to mainboard, and with the PWRCTL signal of motherboard circuit jointly as a input with door, its output is connected to the power control signal of ATX power supply.When lasting button trigger pip, port 3 output low levels, with the output of door also be low level, realize continuing button and trigger corresponding power-off operation.
Fig. 4 is the concrete implementation figure of computing machine one bond switching machine of the present invention and resetting means.After the input signal treatment circuit works on power, the original levels of first output port, second output port, the 3rd output port should keep correct, to guarantee can not produce misoperation to mainboard start and reseting logic, when the trigger action of response input button, just can export corresponding high-low level.Therefore, at first to carry out initialization, comprise: each input/output port of initialization, be that input port is a high level, second output port is a low level, first output port and the 3rd output port are high level, and first timer in the button timing circuit and first counter is clear 0, with second timer in the button metering circuit and second counter clear 0.
Introduce the concrete implementation that single keys presses triggers, twice button triggers, continues triggering in 4 seconds respectively below with reference to Fig. 4.
The implementation that continues triggering in 4 seconds is:
(1) whether key press detecting circuit detects button and presses, if be input as low level, represents that then button presses.
(2) start first timer, first timer is set to 10ms and overflows, and first timer overflows back (being equivalent to the 10ms that delays time) first counter and adds 1.
(3) judge that whether the value of first counter is less than 400, if, repeat above-mentioned detection step, value up to counter equals 400, button was pressed and was kept 4s (10ms * 400) this moment, to output circuit, output circuit is exported corresponding level signal to motherboard circuit by the 3rd output port output low level of output control circuit, realizes the 4s shutdown.
The implementation that single keys presses triggers is:
(1) whether key press detecting circuit detects button and presses, if be input as low level, represents that then button presses.
(2) start first timer (10ms overflows), first timer overflows back first counter and adds 1.
(3) whether the value of judging first counter less than 400, if, repeat above-mentioned detection step, detect high level up to key press detecting circuit.When detecting high level, whether the value of judging first counter greater than 3 (purpose is in order to remove the shake of button), if, represent that then button presses the back and decontrol in 4s, this is once effectively button, and clear 0, the second counter of first counter adds 1.
(4) start second timer, second timer is set to 1.5s and overflows.
(5) whether key press detecting circuit detection button is pressed, if never having button before second timer overflows presses, then can be judged as single keys presses triggers, by the first output port output low level of output control circuit to output circuit, output circuit is exported corresponding level signal to motherboard circuit, realizes the start operation of single keys presses correspondence.
The implementation of twice button triggering is:
(1) whether key press detecting circuit detects button and presses, if be input as low level, represents that then button presses.
(2) start first timer (10ms overflows), first timer overflows back first counter and adds 1.
(3) whether the value of judging first counter less than 400, if, repeat above-mentioned detection step, detect high level up to key press detecting circuit.When detecting high level, whether the value of judging first counter greater than 3, if, represent that then button presses the back and decontrol in 4s, this is once effectively button, and clear 0, the second counter of first counter adds 1.
(4) start second timer, second timer is set to 1.5s and overflows.
(5) whether key press detecting circuit detection button is pressed, if have button to press before second timer overflows, then carry out the implementation that above-mentioned single keys presses triggers, judge once more to have or not once effectively button, if having, second counter adds 1 and becomes 2, can be judged as twice button triggers, export high level to output circuit by second output port of output control circuit, output circuit is exported corresponding level signal to motherboard circuit, realizes the reset operation of twice button correspondence.
Among the present invention, be set to 1.5s the interval time between twice button, can be set to other value such as 2s according to user's custom yet, this does not influence the function that apparatus of the present invention are finished.The 4s shutdown is the row internal standard in addition, also can change as required as 3s and shut down.And, though the present invention triggers as distinguishing machine operation and reset operation with single keys presses triggering, twice button, but be understandable that, be not limited to such number of times among the present invention, different number of times can be set according to different situations represent start operation and reset operation respectively.
As another embodiment of the present invention, above-mentioned input signal treatment circuit is a single-chip microcomputer, this single-chip microcomputer comprises input port, output port, execution and storage unit, counter and timer, and the detailed process that single-chip microcomputer is carried out is with described input signal treatment circuit.
As shown in Figure 5, single-chip microcomputer also can have the I/O port that is connected with computer motherboard I2C bus, and the I/O port of single-chip microcomputer can be modeled to the I2C bus interface and link to each other with EEPROM with mainboard, realizes the communication of I2C.The user can be in the setting picture of BIOS free selector switch machine and the pairing key mode of reset operation, realize user's individual demand.After setting was finished, the EEPROM that BIOS can write configuration information single-chip microcomputer preserved, even outage can not lost yet, like this when initialization, single-chip microcomputer powers at every turn all can read the information of EEPROM earlier, need only be in the process of implementation, and the high-low level signal that changes the output port correspondence gets final product.For example, EEPROM can have following parameter:
Address (add) data (data) attributes (property)
[0x00] 0x01 [button is once], switching on and shutting down
[0x01] 0x02 [button secondary] resets
[0x02] 0x04 [button kept 4 seconds], forced shutdown
[0x03] 0x0f blank operation
The user can see through the free conversion of CMOS Setup " by once " of BIOS, " connecting by twice ", the practical operation of several mode correspondences such as " press and kept 4 seconds " like this.The user can select also whether operations such as " by once ", " connecting by twice " are blank operation, such as only allowing " company " representative to reset by twice, other any operations all are blank operations, can realize that the user is being the purpose of shutting down computer such as do not allow the people when server is worked.
Should be noted that at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spiritual scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (17)
1. computing machine one a bond switching machine and a resetting means comprises input circuit, input signal treatment circuit and output circuit, wherein,
Input circuit outputs to the input signal treatment circuit according to push button signalling with corresponding high-low level;
The input signal treatment circuit was judged the high-low level and the duration thereof of input, obtained the triggering situation of button according to judgement, more corresponding level signal was outputed to output circuit;
Output circuit converts the level signal of input signal treatment circuit output to corresponding high level or low level signal, and the signal after will changing outputs to the computer motherboard circuit, the switching on and shutting down of control computer and resetting.
2. computing machine one bond switching machine and resetting means as claimed in claim 1, wherein, the triggering situation of described button comprises: single keys presses triggers, twice button triggers and continue button and trigger.
3. computing machine one bond switching machine and resetting means as claimed in claim 2, wherein, the triggering situation of button is a described single keys presses when triggering, output circuit is exported corresponding level signal to motherboard circuit, realizes the start operation of single keys presses correspondence.
4. computing machine one bond switching machine and resetting means as claimed in claim 2, wherein, the triggering situation of button is described twice button when triggering, output circuit is exported corresponding level signal to motherboard circuit, realizes the reset operation of twice button correspondence.
5. computing machine one bond switching machine and resetting means as claimed in claim 2, wherein, the triggering situation of button is a described lasting button when triggering, output circuit is exported corresponding level signal to motherboard circuit, realizes continuing the power-off operation of button correspondence.
6. computing machine one bond switching machine and resetting means as claimed in claim 1 or 2 is characterized in that described input signal treatment circuit comprises:
Key press detecting circuit is according to the state of the high-low level detection button of importing;
The button timing circuit triggers when detecting low level by key press detecting circuit, is used to detect button and presses the duration;
Button metering circuit triggers when being checked through high level by key press detecting circuit, is used for effective single keys presses is counted.
7. computing machine one bond switching machine and resetting means as claimed in claim 2, wherein, the time interval of twice button that described twice button triggers is 1.5 seconds.
8. computing machine one bond switching machine and resetting means as claimed in claim 2, wherein, the duration that described lasting button triggers is 4 seconds.
9. computing machine one bond switching machine and resetting means as claimed in claim 1 or 2 is characterized in that described input signal treatment circuit is a single-chip microcomputer.
10. computing machine one bond switching machine and resetting means as claimed in claim 9, it is characterized in that, described single-chip microcomputer has the I/O port that is connected with computer motherboard I2C bus, and the configuration information that button triggers the operation of situation correspondence in the computer BIOS can write an EEPROM and preserve.
11. computing machine one a bond switching machine and a repositioning method may further comprise the steps:
Step 1 produces corresponding high-low level according to push button signalling;
Step 2 is judged high-low level and duration thereof, draws the triggering situation of button, and exports corresponding level signal respectively according to the triggering situation of button;
Step 3 converts level signal to corresponding high level or low level signal, and the signal after will changing outputs to the computer motherboard circuit, the switching on and shutting down of control computer and resetting.
12. computing machine one bond switching machine and repositioning method as claimed in claim 11, wherein, the triggering situation of described button comprises: single keys presses triggers, twice button triggers and continue button and trigger.
13. computing machine one bond switching machine and repositioning method as claimed in claim 12, wherein, the implementation that described lasting button triggers is:
(1) detects button and whether press,, represent that then button presses if be input as low level;
(2) start first timer, first timer overflows back first counter and adds 1;
(3) whether the value of judging first counter less than first setting value, if, repeat above-mentioned detection step, equal first setting value up to the value of first counter, export corresponding level signal to motherboard circuit, realize continuing button and trigger corresponding power-off operation.
14. computing machine one bond switching machine and repositioning method as claimed in claim 12, wherein, the implementation that described single keys presses triggers is:
(1) detects button and whether press,, represent that then button presses if be input as low level;
(2) start first timer, first timer overflows back first counter and adds 1;
(3) whether the value of judging first counter less than first setting value, if, repeat above-mentioned detection step, up to detecting high level, whether the value of judging first counter is greater than second setting value, if clear 0, the second counter of first counter adds 1;
(4) start second timer;
(5) detect button and whether press, press, export corresponding level signal, realize the start operation of single keys presses correspondence to motherboard circuit if never have button before second timer overflows.
15. computing machine one bond switching machine and repositioning method as claimed in claim 12, wherein, the implementation that described twice button triggers is:
(1) detects button and whether press,, represent that then button presses if be input as low level;
(2) start first timer, first timer overflows back first counter and adds 1;
(3) whether the value of judging first counter less than first setting value, if, repeat above-mentioned detection step, up to detecting high level, whether the value of judging first counter is greater than second setting value, if clear 0, the second counter of first counter adds 1;
(4) start second timer;
Whether (5) detect button presses, if have button to press before second timer overflows, then re-execute above-mentioned steps (1) to (3), judge once more and have or not once effectively button, if the count value of second counter is 2, then can determine and once effective button, export corresponding level signal, realize the reset operation of twice button correspondence to motherboard circuit.
16. computing machine one bond switching machine and repositioning method as claimed in claim 12, wherein, the time interval of twice button that described twice button triggers is 1.5 seconds.
17. computing machine one bond switching machine and repositioning method as claimed in claim 12, wherein, the duration that described lasting button triggers is 4 seconds.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101323398A CN100428113C (en) | 2005-12-21 | 2005-12-21 | One key on-and-off unit for computer and reset device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101323398A CN100428113C (en) | 2005-12-21 | 2005-12-21 | One key on-and-off unit for computer and reset device and method |
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| CN1987732A CN1987732A (en) | 2007-06-27 |
| CN100428113C true CN100428113C (en) | 2008-10-22 |
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| CNB2005101323398A Expired - Fee Related CN100428113C (en) | 2005-12-21 | 2005-12-21 | One key on-and-off unit for computer and reset device and method |
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| CN101351007B (en) * | 2008-09-09 | 2011-12-21 | 华为终端有限公司 | Method and apparatus for implementing one-key type computer opening/closing |
| JP5899878B2 (en) * | 2011-12-02 | 2016-04-06 | 株式会社リコー | Information processing apparatus, control method, and program |
| CN103152019B (en) * | 2011-12-07 | 2016-01-27 | 上海西门子医疗器械有限公司 | A kind of reset circuit of control lever |
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| TWI480722B (en) * | 2012-08-14 | 2015-04-11 | Nuvoton Technology Corp | Electronic apparatus and method for booting the same |
| CN103793034A (en) * | 2012-10-30 | 2014-05-14 | 英业达科技有限公司 | Power-on device and power-on method |
| CN103149997A (en) * | 2013-02-05 | 2013-06-12 | 福兴达科技实业（深圳）有限公司 | Mobile device and reset method thereof |
| CN103105915B (en) * | 2013-02-18 | 2016-02-03 | 广东欧珀移动通信有限公司 | A kind of repositioning method of intelligent terminal and system |
| CN103454935B (en) * | 2013-08-23 | 2016-08-10 | 广州中智融通金融科技有限公司 | A kind of delay shutdown of electronic equipment method, Apparatus and system |
| CN104679709A (en) * | 2013-11-27 | 2015-06-03 | 英业达科技有限公司 | Computer system |
| CN104104371A (en) * | 2014-06-27 | 2014-10-15 | 青岛歌尔声学科技有限公司 | Electronic product switching circuit |
| CN104202029A (en) * | 2014-08-29 | 2014-12-10 | 青岛歌尔声学科技有限公司 | Single-button power-on and power-off circuit and head-wearing display device |
| CN109406896B (en) * | 2018-10-15 | 2020-12-11 | 威创集团股份有限公司 | External control device and method for oscilloscope |
| CN109412568B (en) * | 2019-01-03 | 2024-04-02 | 歌尔科技有限公司 | Reset circuit for switching on and switching off |
| CN112631409A (en) * | 2020-12-11 | 2021-04-09 | 邦彦技术股份有限公司 | VPX case power-off control method and circuit and VPX case |
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| CN1987732A (en) | 2007-06-27 |
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