CN109992079A

CN109992079A - Terminal device and control method applied to terminal device

Info

Publication number: CN109992079A
Application number: CN201711471729.7A
Authority: CN
Inventors: 王希林
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-12-29
Filing date: 2017-12-29
Publication date: 2019-07-09
Also published as: WO2019128977A1

Abstract

This application provides a kind of terminal device and applied to the control method of terminal device.The terminal device includes: touch screen；The common end of selection switch, the selection switch is connect with the touch screen；Sensor, less than 400 microwatts, the signal input port of the sensor is connected the power consumption of the sensor with the first choice output end of the selection switch；Touch screen controller, the signal input port of the touch screen controller are connected with the second selection output end of the selection switch；System power supply, the output port of power source of the system power supply are connected with the power input port of the power input port of the sensor and the power management module respectively.The terminal device of the application can utilize touch screen to realize the booting of terminal device in the case where lower power consumption.

Description

Terminal device and control method applied to terminal device

Technical field

This application involves field of terminal equipment, and set more particularly, to a kind of terminal device and applied to terminal Standby control method.

Background technique

With the fast development of display the relevant technologies, the positive screen accounting of terminal device is higher and higher, terminal device Screen also start to the side of terminal device extend, this allows for the physical button (example for being originally arranged at terminal device side Such as, power button) arrangement space it is more and more limited.In this case, how to realize and be switched on by operation touch-screen curtain The identical function of key is a problem to be solved.

Traditional scheme is to keep touch screen controller to be in when the application processor of terminal device is in " state of activation " " standby mode " just controls application when touch screen detects " double-click " movement using the touch operation of touch screen detection user Processor enters dormant state；And when application processor is in " dormant state ", continue keep touch screen controller be in " to Machine state ", and using the touch operation of touch screen detection user, it is just waken up at application when touch screen detects " double-click " movement Manage device.That is, traditional scheme is merely able to realize the partial function (waking up and extinguish screen) of power button, but it is not implemented and opens The repertoire of machine.

Summary of the invention

The application provides a kind of method of terminal device and controlling terminal equipment, to utilize in the case where lower power consumption Touch screen is crossed to realize the booting of terminal device.

In a first aspect, providing a kind of terminal device, which includes: touch screen；Selection switch, the selection are opened The common end of pass is connect with the touch screen；Sensor, the power consumption of the sensor is less than 400 microwatts, the letter of the sensor Number input port is connected with the first choice output end of the selection switch；Touch screen controller, the touch screen controller Signal input port is connected with the second selection output end of the selection switch；The power supply of system power supply, the system power supply is defeated Exit port is connected with the power input port of the sensor.

Optionally, the sensor can be capacitance sensor, electric resistance sensor, inductance sensor and it is other have it is low The sensor of power consumption characteristics.

For example, the sensor specifically can be LDC2114 four-way low-power consumption sensor.

Optionally, system power supply is the battery of terminal device.

Since the output port of power source of system power supply is connected with the power input port of sensor, no matter terminal is set Standby to be in open state or off-mode, system power supply is all sensor power supply, so that in the power-offstate, if touch screen Detect the touch operation of user, sensor can generate corresponding touch signal.

In the application, it can still be able to detect booting behaviour when being in off-mode in terminal device by sensor Make, and realizes the booting of controlling terminal equipment according to the starting-up signal of generation, in addition, the power consumption due to sensor is lower, The application can utilize touch screen to realize the booting of terminal device in the case where lower power consumption.

Optionally, the touch screen includes multiple touch sensible pieces, the common end of the selection switch and the touch screen Connection, comprising: the common end of the selection switch is connected with some or all of touch sensible piece of the touch screen.

Optionally, the selection switch includes selection plectrum, and the selection plectrum includes first end and second end, wherein First end connects common end, and second end connects the first output port or second output terminal mouth, when the second end of selection plectrum connects When connecing first choice output end, touch screen is connected with the signal input port of sensor, when the second end connection the of selection plectrum When two selection output ends, touch screen is connected with the signal input port of touch screen controller.

With reference to first aspect, in certain implementations of first aspect, the terminal device further include: power management mould Block, the signal input port of the power management module are connected with the signal output port of the sensor, the power management The power input port of module is connected with the output port of power source of the system power supply.

Optionally, the power management module is power management integrated circuit.

Since the signal output port of sensor is connected with the signal input port of power management module, pass through biography Whether the power port that sensor can control power management module powers, and then realizes the control to the startup and shutdown of terminal device System.

With reference to first aspect, in certain implementations of first aspect, the terminal device further include: logic circuit, The logic circuit is connected between the sensor and the power management module.

The level signal with certain timing can be generated by logic circuit, and then realizes the essence to power module Quasi- control.

With reference to first aspect, in certain implementations of first aspect, the logic circuit is AND gate circuit or door electricity The circuit of at least one of road, not circuit, flip-flop circuit and delay circuit composition.

With reference to first aspect, in certain implementations of first aspect, the signal output end of the touch screen controller Mouth is connected with the signal input port of selection switch.

Since the signal output port of touch screen controller is connected with the signal input port of selection switch, it touches Screen controller can control the switching of selection switch, and when terminal device shutdown, touch screen controller control selections switch will choosing The common end for selecting switch is connected with the first choice output end of selection switch, when terminal device booting, touch screen controller control The common end of selection switch is connected by system selection switch with the second selection output end of selection switch.

With reference to first aspect, in certain implementations of first aspect, the terminal device further include: application processing Device, the signal input port of the application processor are connected with the signal output port of the touch screen controller.

It can control application processor by touch screen controller, for example, touching when touch screen detects touch operation Screen controller can identify the touch operation, and generate control signal according to the touch operation, which answers for controlling With the processor response touch operation.

With reference to first aspect, in certain implementations of first aspect, the terminal device further include: voltage stabilizing chip, The voltage stabilizing chip is connected between the system power supply and the sensor.

Specifically, the power input port of voltage stabilizing chip is connected with the output port of power source of system power supply, voltage stabilizing chip Output port of power source is connected with the power input port of sensor.

By the series voltage stabilizing chip between system power supply and sensor, stable voltage can be provided for sensor, from And guarantee the normal work of sensor.

Second aspect, provides a kind of control method applied to terminal device, and the terminal device includes touch screen, passes Sensor and system power supply, wherein the power consumption of the sensor is less than 400 microwatts, the signal input port of the sensor and touching It touches screen to be connected, the power input port of the sensor and the output port of power source of system power supply connect, this method comprises: touching Shield to the sensor and sends touch signal；

The sensor generates control signal according to the touch signal, and the control signal is set for controlling the terminal Standby booting is restarted.

In the application, control signal can be generated according to touch signal by sensor, and then controlling terminal equipment is opened Machine is restarted, and therefore, the embodiment of the present application may be implemented the booting of terminal device or restarted by the operation of touch screen, into And the unlatching of power button can be replaced using the operation of touch screen or restart function.

Optionally, touch screen detects that touch operation, the touch of the touch operation continue before generating touch signal At least one of time, touch number, touch interval, touching intensity meet preset condition.

Specifically, as at least one in the touch duration of touch operation, touch number, touch interval, touching intensity When kind meets the first preset condition, control signal is used for controlling terminal device power-up.

When touch operation the touch duration, touch number, touch interval, at least one of touching intensity meets the When two preset conditions, control signal is restarted for controlling terminal equipment.

In conjunction with second aspect, in certain implementations of second aspect, the terminal device further includes power management mould Block, the signal input port of the power management module are connected with the signal output port of the sensor, the control signal Specially starting-up signal, the method also includes: the sensor sends the starting-up signal, institute to the power management module It states starting-up signal and powers for controlling the output port of power source of the power management module.

It should be understood that terminal device is at open state when the power supply of the output port of power source of power management module.

In conjunction with second aspect, in certain implementations of second aspect, the terminal device further includes power management mould Block, the signal input port of the power management module are connected with the signal output port of the sensor, the control signal Specially Restart Signal, the method also includes: the sensor sends the Restart Signal, institute to the power management module It states output port of power source of the Restart Signal for controlling the power management module and first stops powering and restore electricity again.

It should be understood that corresponding to terminal when the output port of power source of power management module first stops powering and restore electricity again Equipment is exactly first to shut down to be switched on again.

In conjunction with second aspect, in certain implementations of second aspect, the terminal device further include selection switch and Touch screen controller, wherein the common end of the selection switch is connect with the touch screen, the first choice of the selection switch Output end is connect with the signal input port of the sensor, the signal input port of the selection switch and the touch screen control The signal output port of device processed connects, and before the touch screen sends touch signal to the sensor, the method is also wrapped Include: the touch screen controller is switched to the selection sends the first switching signal, and first switching signal is for controlling institute It states selection switch the common end is connected with the first choice output end.

Before realizing the booting of terminal device by control output port of power source power supply, need to switch by control selections Switching so that sensor is connected with touch screen controller, so that sensor can detect power-on operation in touch screen Or in the case where reboot operation, corresponding control signal is issued to application processor, realizes the booting or again of terminal device It opens.

In conjunction with second aspect, in certain implementations of second aspect, the second selection output end of the selection switch It is connect with the signal input port of touch screen controller, after terminal device booting, the method also includes: the touching It touches screen controller and switchs the second switching signal of transmission to the selection, second switching signal is for controlling the selection switch The common end is connected with the second selection output end.

After realizing the booting of terminal device by control output port of power source power supply, cut by what control selections switched It changes, so that touch screen is connected with touch screen controller, so that touch screen controller can detect touch behaviour in touch screen In the case where work, corresponding control signal is issued to application processor, to respond the touch operation of user.

In conjunction with second aspect, in certain implementations of second aspect, the terminal device further includes application processor, The signal input port of the application processor is connected with the signal output port of the touch screen controller, and the method is also wrapped Include: touch screen sends wake-up signal to the touch screen controller；The touch screen controller is generated according to the wake-up signal Wake up control signal, the screen for waking up control signal and being used to wake up the terminal device.

Detailed description of the invention

Fig. 1 is the hardware structure schematic diagram of terminal device；

Fig. 2 is the schematic block diagram of the terminal device of the embodiment of the present application；

Fig. 3 is the connection relationship diagram of selection switch and touch screen；

Fig. 4 is the structural schematic diagram of the terminal device of the embodiment of the present application；

Fig. 5 is the schematic diagram of the logic circuit of the embodiment of the present application；

Fig. 6 is the schematic diagram of the logic circuit of the embodiment of the present application；

Fig. 7 is the timing diagram for the level signal that logic circuit generates；

Fig. 8 is the schematic block diagram of the terminal device of the embodiment of the present application；

Fig. 9 is the schematic block diagram of the terminal device of the embodiment of the present application；

Figure 10 is the schematic block diagram of the terminal device of the embodiment of the present application；

Figure 11 is the structural schematic diagram of the terminal device of the embodiment of the present application；

Figure 12 is the schematic flow chart of the control method applied to terminal device of the embodiment of the present application；

Figure 13 is the flow chart of the control method applied to terminal device of the embodiment of the present application；

Figure 14 is the flow chart of the control method applied to terminal device of the embodiment of the present application；

Figure 15 is the flow chart of the control method applied to terminal device of the embodiment of the present application；

Figure 16 is the flow chart of the control method applied to terminal device of the embodiment of the present application.

Specific embodiment

Below in conjunction with attached drawing, the technical solution in the application is described.

Terminal device in the embodiment of the present application can refer to smart phone, personal digital assistant (Personal Digital Assistant, PDA) and other smart machines etc. with touch screen.In addition, the terminal device in the embodiment of the present application can To be the terminal with screen or Curved screen comprehensively.

Fig. 1 is the hardware structure schematic diagram of terminal device, and hardware structure shown in FIG. 1 is the common hardware frame of terminal device Structure.

In terminal device 100 shown in Fig. 1, the power input port of power management integrated circuit and the electricity of system power supply Source output terminal mouth is connected, the output port of power source of power management integrated circuit and the power input port of touch screen controller and The power input port of application processor is connected, and when terminal device is in open state, power management integrated circuit is to touch Screen controller and application processor power supply.Can control power management integrated circuit by power key (or referred to as power button) is It is no to power for touch screen controller and application processor, for example, can control power management integrated circuit by operation power key To application processor and touch screen controller power supply (open state corresponding to terminal device), operation power key can also be passed through Control power management integrated circuit stops to application processor and touch screen controller power supply (the shutdown shape corresponding to terminal device State).

Based on hardware structure shown in FIG. 1, to the connection type of certain module or unit in terminal device into Row modification, so that the output port of power source of system power supply is connected with the power input port of touch screen controller, (no matter terminal is set Standby to be in booting or off-mode, system power supply is continuously touch screen controller power supply), the signal of touch screen controller is defeated The signal input port (port being connected in power management integrated circuit with power key) of exit port and power management integrated circuit Connection, and modifies the related software of touch screen controller, so that touch screen is in the power-on operation for detecting user, touch screen control Device processed can issue control signal to power management integrated circuit, be supplied with controlling power management integrated circuit to application processor Electricity, and then realize the booting of terminal device.

Although above scheme can realize the booting of terminal device by the operation of touch screen, this scheme needs To use system power supply directly for touch screen controller power supply, so that when terminal device is in off-mode, system power supply It still is able to as touch screen controller power supply.But since the standby current of touch screen controller is larger (generally more than 500uA), the long-term standby battery that will lead to terminal of touch screen controller exhausts, and influences the usage experience of user.Therefore, it is necessary to A kind of terminal device is provided, which can realize booting using the operation of touch screen, and have lower power consumption.

Sensor and processor are generally comprised in touch screen controller, wherein sensor will be for that will be used for the touching of user It touches operation and is converted into level signal, various level signals issue control signal to application processor in turn to processor for identification. Since processor will carry out various processing to signal, the power consumption of processor is caused to be far longer than the power consumption of capacitance controller.Therefore, It is sensor power supply using system power supply it is contemplated that increasing sensor in terminal device, when terminal device is in shutdown When state, if touch screen detects the power-on operation of user, sensor generates corresponding control signal just to realize pair The control of power management integrated circuit, to realize the booting of terminal device.Further, since the power consumption of sensor is lower, therefore, Increasing sensor in terminal device there is lower power consumption by way of realizing booting.

Fig. 2 is the schematic block diagram of the terminal device of the embodiment of the present application.Terminal device 200 shown in Fig. 2 specifically includes: Touch screen 201, selection switch 202, sensor 203, touch screen controller 204 and system power supply 205.

Wherein, the connection relationship between the modules or unit in terminal device 200 is as follows:

The common end (port A) of selection switch 202 is connect with touch screen 201, selects the first choice output end of switch 202 (port B) is connected with the signal input port of sensor 203, selects the second selection output end (port C) of switch 202 and touches The signal input port of screen controller 204 is connected；

The output port of power source of system power supply 205 is connected with the power input port of sensor 203.

The effect of modules or unit in above-mentioned terminal device 200 is specific as follows:

Touch screen 201, for detecting the operation of user；

Switch 202 is selected, (being equivalent to will select for touch screen 201 to be connected with the signal input port of sensor 203 The common end of switch 202 is connected with the first output port), alternatively, by the signal input part of touch screen and touch screen controller 204 Mouth is connected (being equivalent to will select the common end of switch 202 to be connected with second output terminal mouth)；

Sensor 203, for converting level signal for the operation of user；

Touch screen controller 204, the operation of user for identification, and corresponding control is done depending on the user's operation；

System power supply 205, for powering under startup and shutdown state for sensor.

It should be understood that selecting common end and the first output port of switch 202 when terminal device 200 is in off-mode It is connected, so that touch screen 201 is connected with the signal input port of sensor 203, at this point, if touch screen detects booting behaviour Make, then, sensor will generate open machine control signal, and then controlling terminal device power-up.

And when terminal device 200 is in open state, select the common end of switch 202 to be connected with second output terminal mouth, So that touch screen is connected by selection switch 202 with the signal input port of touch screen controller 204, at this point, if touch screen is examined The touch operation of user is measured, then touch screen controller just will recognise that the touch operation type of user, and according to user's Operational motion does corresponding control processing.

The sensor 203 is low-power consumption sensor of the power consumption less than 400 microwatts.

Optionally, sensor 203 can be capacitance sensor, electric resistance sensor, inductance type transducer and other have The sensor of low power consumption characteristic.

For example, sensor 203 specifically can be LDC2112 (two channel low-power consumption sensors) or LDC2114 (four-way Low-power consumption sensor).

LDC2112/LDC2114 is a kind of multichannel low noise inductance digital quantizer, is passed through by Integrated Algorithm integrated Algorithm realizes inductance type touching application.The device can inhibit noise and interference using the LC resonance device of innovation well.Separately Outside, LDC2112/LDC2114 includes a super low-power consumption mode, the power on/off button suitable for battery power applications. The performance parameter of LDC2112 and LDC2114 is as shown in table 1.

Table 1

	LDC2114	LDC2112
			Input channel number	4	2
Voltage max (V)	1.8	1.8
			Voltage minimum (V)	1.8	1.8
Electric current (uA) when single button	6	6
			Electric current (uA) when double-button	72	72
Package dimension	16TSSOP:32mm2:6.4×5(TSSOP)	16TSSOP:32mm2:6.4×5(TSSOP)
			Sensor frequency (MHz)	1-30	1-30

The terminal device of the embodiment of the present application can be using the power up function of touch screen substitution power button, and then can make Terminal device has higher screen accounting, or even cancels physical button.

Optionally, above-mentioned selection switch 202 further includes selection plectrum, which includes first end and second end, choosing The first end connection common end for selecting plectrum, when the first end of the selection plectrum connects first choice output end, touch screen 201 Partial touch screen sensing chip is connected with the signal input port of sensor 203, when the second selection of second end connection of selection plectrum When output end, the partial touch screen sensing chip of touch screen 201 is connected with the signal input port of touch screen controller 204.

Optionally, as one embodiment, when terminal device 200 is in off-mode, touch screen 201 detects user's Operation, when touch screen detects the first operation of user, sensor issues first control signal to power management module, this One control signal is used to control the output port of power source power supply of the power management module, to realize opening for the terminal device Machine.

Above-mentioned first operation is referred to as power-on operation, above-mentioned first control signal be referred to as starting-up signal (or Person is known as out machine control signal).

Optionally, above-mentioned first operation is touch operation, and the touch duration of first operation touches number, touches At least one of interval, touching intensity meet the first preset condition.

For example, touching the duration when the above-mentioned first operation is maintained at 4s or more, touching intensity is greater than default dynamics (can also It is greater than default dynamics to be interpreted as pressing dynamics when touching).

Above-mentioned first touch operation can also be touch number be twice, and touch be spaced within 0.5s, for the first time touch The time touched is in 0.5s or more, touch operation of second of the time touched in 4s or more.

Optionally, as one embodiment, the partial touch sensing chip of the common end and touch screen that select switch is connected, should Partial touch sensing chip is the touch sensible piece of the first area in the touch screen, wherein the area of first area is small The gross area in the touch screen region.

For example, as shown in figure 3, first area is the partial region in whole region where touch screen, the first area Positioned at the lower part of touch screen.

In the application, by the way that selection switch is connected with the touch sensible piece of the specific region in touch screen, so that terminal When equipment is in off-mode, when the specific region of only touch screen detects the power-on operation of user, sensor can just be issued Starting-up signal, erroneous operation by the user can be prevented or accidentally touches.

It should be understood that as shown in figure 3, including multiple touch sensible pieces, each touch sensible piece such as the firstth area Fig. 3 in touch screen Shown in diamond shape in domain.The corresponding line of each touch sensible piece or an alignment.

It should also be understood that touch screen is remaining other than above-mentioned partial touch sensing chip is connected with the common end of selection switch Touch sensible piece be directly connected with the signal input port of touch screen controller.

It should be understood that when selecting the common end of switch 202 to connect with first choice output end, in sensor and touch screen Touch sensible piece connection in first area, therefore, when the touch sensible piece only in first area detects the operation of user, Sensor could convert the operation of user to level signal, and then utilize the power supply of level signal control power management module Whether output port powers.

Optionally, when terminal device is in off-mode, only when the first area of touch screen 201 detects user's When the first operation, 203 ability of sensor sends first control signal to power management module 206, to control power management module Output port of power source start to power.

Optionally, as one embodiment, above-mentioned terminal device 200 further includes power management module 207, wherein power supply The signal input port of management module 207 is connected with the signal output port of sensor, the power input of power management module 207 Port is connected with the output port of power source of system power supply 205.

Optionally, above-mentioned power management module is specifically as follows power management integrated circuit.

Optionally, as one embodiment, above-mentioned terminal device 200 further includes logic circuit 207, the logic circuit 207 It is connected between sensor 203 and power management module 206.

Specifically, as shown in figure 4, the signal input port phase of the signal output port of sensor 203 and logic circuit 207 Even, the signal output port of logic circuit 207 is connected with the signal input port of power management module 206.

Further, as shown in figure 4, the output port of power source of system power supply 205 is in addition to the power input with sensor 203 Except port is connected, also it is connected with the power input port of logic circuit 207, that is to say, that sensor 203 and logic circuit 207 are powered by system power supply 205 simultaneously, and when terminal device is in off-mode, sensor 203 and logic circuit 207 still may be used With in running order.

In the application, the level signal with certain timing can be generated by logic circuit, and then realize to electricity Source module is precisely controlled.

Optionally, logic circuit 207 can be specifically made of at least one of lower column circuits: AND gate circuit or door electricity Road, not circuit, flip-flop circuit and delay circuit.

Specifically, the concrete form of logic circuit 207 can be as shown in Figure 5.

As shown in figure 5, logic circuit is made of AND gate circuit and not circuit, logic circuit first to input port IN1, IN2 input preceding two-way level signal carry out or operation, the third road level signal for then again inputting input port IN3 and The two paths of signals that or operation obtains carries out " with operation ", to finally obtain the signal of output end OUT1 output.It should be understood that when figure For logic circuit in 5 when being connected between sensor 203 and power management module 206, three signals of logic circuit 207 are defeated Inbound port IN1, IN2 and IN3 are separately connected the signal input port of sensor 203, the signal output port of logic circuit 207 The signal input port of OUT1 connection power management module.

The concrete form of logic circuit 207 can also be as shown in Figure 6.

As shown in fig. 6, logic circuit is made of the first flip-flop circuit and the second flip-flop circuit and AND gate circuit, In, the signal output port of the signal input port IN1 connection sensor 203 of the first flip-flop circuit, the letter of the second trigger The signal input port of number output port OUT1 connection power management module 206.

When the process of logic circuit shown in fig. 6 processing signal is specific as follows:

First flip-flop circuit handles the first signal received from input port IN1, generates second signal；

AND gate circuit handles second signal and the first signal, generates third signal；

Second flip-flop circuit handles third signal, generates fourth signal；

AND gate circuit handles fourth signal and the first initial signal, generates the 5th signal, and from the port OUT1 Output.

Above-mentioned first flip-flop circuit and the second flip-flop circuit specifically can be 555 flip-flop circuits, monostable trigger Device circuit etc., the application to the specific type and form of the flip-flop circuit in logic circuit without limitation.

It should be understood that above-mentioned Fig. 5 and logic circuit shown in fig. 6 are only two kinds of examples of logic circuit 207, in fact, Logic circuit 207 can also be composed of other basic circuits, the application to the concrete composition circuit of logic circuit 207 with And input port number and output port number are without limitation, as long as be connected on sensor 203 and power management module 206 it Between, and the logic circuit that the level signal that can be realized the output to sensor is centainly handled is all in the protection of the application In range.

Logic circuit shown in fig. 6 is referred to as sequential logical circuit, can will be passed by logic circuit shown in fig. 6 The level signal that sensor 203 inputs is transformed into the level signal with specific time sequence, and then passes through the specific time sequence feature Level signal control power management module 206.

When touch screen detects the touch operation of user, level signal that logic circuit shown in fig. 6 generates can be as Shown in Fig. 7.

The process for generating the level signal of specific time sequence feature to logic circuit shown in fig. 6 below carries out detailed retouch It states:

(1), when the user touches the screen, sensor 203 exports high level signal, when user stops touching screen, passes Sensor 203 exports low level signal, and when user touches screen again, sensor 203 exports high level signal, sensor again First signal of 203 generations is as shown in Figure 7；

(2), the first flip-flop circuit handles the first signal, obtained second signal, wherein at the first signal When failing edge, second signal becomes high level from low level, and high level is kept in preset time (for example, 0.5s), when After maintaining the time of high level to reach the preset time, second signal becomes low level from high level again, as shown in fig. 7, the There is failing edge twice altogether in one signal, and corresponding, high level twice also occurs in second signal；

(3), AND gate circuit obtains third signal, third signal is first to second signal and the first signal by processing Signal and second signal take the signal obtained " with operation ", only when the first signal and the second signal are in high level, the Three signals are just in high level, and otherwise third signal will always be in low level, specific as shown in Figure 7；

(4), the second flip-flop circuit handles third signal, obtains fourth signal, wherein when third signal is in When rising edge, fourth signal becomes high level from low level, and high level is kept in preset time (for example, 2s), when reaching After the preset time, second signal becomes low level from high level again, as shown in fig. 7, primary decline occurs in the first signal Edge, corresponding, also there is a high level in second signal；

(5), AND gate circuit takes fourth signal and third signal and obtains the 5th signal, the 5th signal conduct " with operation " The output signal of logic circuit, for controlling power module, as shown in fig. 7, the 5th signal is initially in high level state, it is intermediate In low level state, it is finally at high level state, the 5th signal is the control signal with certain timing, is passed through 5th signal can control the output port of power source output electric current of power management module, and then realize the booting of terminal device.

It should be understood that in this application, in order to realize the booting of terminal device, can set only has the characteristics that specific time sequence Control signal just can control power management module output port of power source output electric current, without having the specific time sequence feature Control signal not can control the output port of power source output electric current of power management module.

Optionally, as one embodiment, the signal output port of touch screen controller 204 and the letter of selection switch 202 Number input port is connected.

Specifically, as shown in figure 8, the signal input part of the signal output port of touch screen controller 204 and selection switch Mouth (port D) is connected, and thus can use touch screen controller 204 and carrys out control selections switch 202.

For example, touch screen controller 204 sends the first switching letter to selection switch 202 when terminal device 200 shuts down Number, the common end of selection switch is connected with the first choice output end of selection switch with control selections switch 202 and (namely will Touch screen is connected with sensor)；When terminal device 200 is switched on, touch screen controller 204 sends the second switching to selection switch Common end is connected with the second selection output end (namely by touch screen and touch screen control by signal with control selections switch 202 Device is connected).

Optionally, as one embodiment, terminal device 200 further include: application processor 208, the application processor 208 Signal input port be connected with the signal output port of touch screen controller 204.

Specifically, as shown in figure 8, the signal input port of application processor 208 and the signal of touch screen controller 204 are defeated Exit port is connected.Further, the power output end of the power input port of application processor 208 and power management module 206 Mouth is connected, and power management module 206 is the power supply of application processor 208, the signal output port of touch screen controller 204 and selection The signal input port (port D) of switch is connected, and is switched with control selections.

As shown in figure 8, the signal input port phase of signal output port and application processor when touch screen controller 204 Lian Shi can control application processor 208 by touch screen controller 204.For example, when terminal device 200 is in crash shape When state, touch screen controller 204 issues switching signal to selection switch 202, is switched with control selections by touch screen and the biography Sensor is connected；If touch screen detects the reboot operation of user, sensor 203 passes through logic circuit 207 to power supply pipe It manages module 206 and issues Restart Signal, first stop powering and then restoring again to control the output port of power source of power management module 206 Power supply, to realize restarting for terminal device 200.

It optionally, can also be in order to guarantee that system power supply 205 is the stabilization of supply voltage when sensor 203 is powered Series voltage stabilizing chip 209 between system power supply and sensor.

Specifically, as shown in figure 9, voltage stabilizing chip 209 is connected between system power supply 205 and sensor 203, voltage stabilizing chip 209 output port of power source is connected with the power input port of sensor.Further, the power output end of voltage stabilizing chip 209 Mouth can also be connected with the power input port of logic circuit 207, and in this case, sensor 203 and logic circuit 207 are equal It is to be powered by the output port of power source of voltage stabilizing chip, is able to maintain the stabilization of voltage and current.

Figure 10 is the schematic block diagram of the terminal device of the embodiment of the present application.

Terminal device 300 shown in Fig. 10 include: touch screen 301, display module 302, selection switch 302, sensor and Logic circuit 304, touch screen controller 305, power management integrated circuit 306, application processor 307, battery 308.

The connection relationship between modules and unit in terminal device 300 is as follows:

Touch screen 301 and display module 302 are stacked together, and the partial touch sensing chip of touch screen 301 and selection switch 303 common end (end A) connection；

Select the first choice output end (end B) of switch 303 and the signal input port company of sensor and logic circuit 304 It connects；

Second selection output end (C-terminal) of selection switch 303 is connected with the signal input port of touch screen controller 305；

The signal input port of the signal output port and power management integrated circuit 306 of sensor and logic circuit 304 It is connected；

The signal output port of touch screen controller 305 is connected with the signal input port of application processor 307, touch screen The signal output port of controller 305 is connected (end D) with the signal input port of selection switch；

The output port of power source of power management integrated circuit 306 and the power input port of touch screen controller and application The power input port of processor 307 is connected；

The output port of power source of battery 308 and the power input port and power management of sensor and logic circuit 304 The power input port of integrated circuit 306 is connected.

Wherein, sensor and logic circuit 304 are that sensor and logic circuit have been integrated into a module, are equivalent to Text sensor 203 shown in Fig. 9 and logic circuit 207.Power management integrated circuit 306 corresponds to power management mould above Block 206, power management integrated circuit 306 can regard a kind of specific implementation form of power management module 206 as, for managing Battery 308 is the power supply of terminal device.Battery 308 corresponds to and system power supply 205 above, through frequently with electricity in terminal device As system power supply, battery 308 can regard a kind of specific implementation form of system power supply 205 as in pond.

The schematic block diagram that the terminal device of the embodiment of the present application is described above in association with Fig. 2 to Figure 10, below with reference to figure The terminal device of 11 pairs of the embodiment of the present application is described in detail.

Figure 11 shows the structure chart of the terminal device of the embodiment of the present application.

Terminal device 400 shown in Figure 11 includes: touch screen (U1), selection switch (U2), system power supply (U3), voltage-stablizer (U4), it capacitance sensor (U5), logic circuit (U6), power management integrated circuit (U7), touch screen controller (U8) and answers With processor (U9).

The connection relationship of modules or unit in terminal device 200 is specific as follows:

The common end of three alignment of a line connection selection switch of touch screen (U1)；

The selection output end of selection switch (U2) includes first choice output end and the second selection output end, wherein first Selection output end is connected with four signal input ports (CH1, CH2, CH3 and COM) of sensor (U5), the second selection output end It is connected with three signal input ports of touch screen controller (U8), the signal input port of selection switch (U2) and touch screen control The port I/O of (U8) of device processed is connected, in addition, selection switch (U2) further includes selection plectrum, selects one end of plectrum to connect public Total end, when selecting the other end of plectrum to connect first choice output end, the partial touch screen sensing chip and biography of touch screen (U1) The signal input port of sensor is connected, when selecting other end connection the second selection output end of plectrum, the portion of touch screen (U1) Touch screen induction piece is divided to be connected with the signal input port of touch screen controller；

The output port of power source of system power supply (U3) electricity with voltage-stablizer (U4) and power management integrated circuit (U7) respectively Source input port is connected；

The output port of power source of voltage-stablizer (U4) is electric with the power input port (VDD) and logic of sensor (U5) respectively The power input port on road (U6) is connected；

Three output ports (OUT1, OUT2 and OUT3) of sensor (U5) and three input ports of logic circuit (U6) It is connected；

The output port of power source of power management integrated circuit (U7) power input with touch screen controller (U8) respectively Mouthful and application processor (U9) power input port be connected, the signal input port of power management integrated circuit (U7) with patrol The signal input port for collecting circuit (U6) is connected；

The signal output port of touch screen controller (U8) is connected with the signal input port of application processor (U9).

For above-mentioned terminal device 400, touch screen controller (U8) can pass through the level signal of I/O port output Carry out control selections switch (U2), specifically, when terminal device 400 is switched on, power management integrated circuit (U7) is touch screen control The I/O port of device (U8) power supply processed, touch screen controller (U8) issues high level signal to the signal input port of selection switch, Common end is connected with first choice output end with control selections switch (U2), thus by three alignment of a line of touch screen (U1) and Touch screen controller (U8) is connected；And when terminal closedown, power management integrated circuit (U7) stops being touch screen controller (U8) it powers, the I/O port of touch screen controller (U8) issues low level signal to the signal input port of selection switch (U2), Common end and the second selection output end are connected with control selections switch (U2), thus by three alignment of a line of touch screen and sensing Device (U5) is connected.

Above-mentioned logic circuit (U6) can be by AND gate circuit, OR circuit, not circuit, trigger and delay circuit One or more of composition.

Specifically, above-mentioned logic circuit (U6) can be Fig. 5 and form shown in fig. 6.

It is described in detail above in association with structure of the Fig. 2 to Figure 11 to the terminal device of the embodiment of the present application, hereafter It is described in detail in conjunction with control method applied to terminal device of the Figure 12 to Figure 16 to the embodiment of the present application.It should be understood that The control method applied to terminal device of the embodiment of the present application is corresponding, this Shen with the terminal device in the embodiment of the present application Please the control method applied to terminal device of embodiment can be applied to the terminal device of the embodiment of the present application, the application is implemented The specific structure of terminal device corresponding to the control method applied to terminal device of example can be terminal of the Fig. 2 into Figure 11 The structure of equipment.In order to avoid repeated description, hereafter in the control method applied to terminal device of description the embodiment of the present application When be not described in detail the specific structure of terminal device.

Figure 12 is the schematic flow chart of the control method applied to terminal device of the embodiment of the present application.

Terminal device applied by method shown in Figure 12 includes touch screen, sensor and system power supply, wherein sensor Power consumption less than 400 microwatts, the signal input port of sensor is connected with touch screen, the power input port and system of sensor The output port of power source of power supply connects, and method shown in Figure 12 specifically includes:

410, touch screen sends touch signal to sensor.

420, sensor generates control signal according to touch signal, and the control signal is for controlling the terminal device booting Or restart.

Optionally, the structure of terminal device applied by method shown in Figure 12 can be as shown in Figure 2.

Optionally, as one embodiment, touch screen detects touch operation, the touch before generating touch signal Touch duration of operation touches number, touches at least one of interval, touching intensity and meet preset condition.

Optionally, as one embodiment, the terminal device of the application of method shown in Figure 12 further includes power management module, The signal input port of the power management module is connected with the signal output port of the sensor.

When controlling signal and being specially starting-up signal, method shown in Figure 12 further include: sensor is to power management module The starting-up signal is sent, which is used to control the output port of power source power supply of power management module；

When controlling signal and being specially starting-up signal, method shown in Figure 12 further include: sensor is to power management module Restart Signal is sent, the output port of power source which is used to control power management module first stops power supply and restores to supply again Electricity.

It should be understood that above-mentioned power management module can be the module of other work in terminal device than as a sensor Or unit power supply, when the power supply of the output port of power management module, terminal device be can work normally, at this time terminal device In open state, and when the output port of power management module stops powering, in terminal device than as a sensor Other modules can not work, and terminal device is in off-mode at this time.

Optionally, as one embodiment, terminal device applied by method shown in Figure 12 further include selection switch and Touch screen controller, wherein select the common end of switch to connect with touch screen, select the first choice output end and sensing of switch The signal input port of device connects, and the signal output port of the signal input port and touch screen controller that select switch connects, Before touch screen sends touch signal to sensor, method shown in Figure 12 further include: touch screen controller is switched to selection The first switching signal is sent, common end is connected by the first switching signal for control selections switch with first choice output end.

In the application, before realizing the booting of terminal device by control output port of power source power supply, need to pass through control The switching of system selection switch, so that sensor is connected with touch screen controller, so that sensor can be detected in touch screen In the case where power-on operation or reboot operation, corresponding control signal is issued to application processor, realizes terminal device It is switched on or restarts.

Optionally, as one embodiment, after terminal device booting, method shown in Figure 12 further include: touch screen Controller is switched to selection sends the second switching signal, and the second switching signal is switched for control selections by common end and the second choosing Output end is selected to be connected.

In the application, after realizing the booting of terminal device by control output port of power source power supply, selected by control The switching of switch is selected, so that touch screen is connected with touch screen controller, so that touch screen controller can be examined in touch screen In the case where measuring touch operation, corresponding control signal is issued to application processor, to respond the touch operation of user.

Optionally, terminal device applied by method shown in Figure 12 further includes application processor, the application processor Signal input port is connected with the signal output port of touch screen controller, method shown in Figure 12 further include: touch screen is to touching It touches screen controller and sends wake-up signal；Touch screen controller is generated according to wake-up signal wakes up control signal, wakes up control signal For waking up the screen of terminal device.

It is carried out below with reference to process of the Figure 13 to Figure 16 to the control method applied to terminal device of the embodiment of the present application Detailed description.

Figure 13 is the flow chart of the control method applied to terminal device of the embodiment of the present application.The institute of method shown in Figure 13 The terminal device of application includes: touch screen, selection switch, sensor, touch screen controller, power management module and system electricity Source.Wherein, the common end of switch is selected to connect with touch screen, the signal input port of sensor and the first choice of selection switch Output end is connected, and the signal input port of touch screen controller is connected with the second selection output end of selection switch, power management The signal input port of module is connected with the signal output port of sensor.Specifically, the corresponding terminal of method shown in Figure 13 The structure of equipment can be as shown in Figure 4.

Method shown in Figure 13 specifically includes step 501 to step 505.It is carried out in detail to 501 to step 505 separately below Introduction.

501, the operation of touch screen detection user.

It should be understood that select the common end of switch to be connected with first choice output end when terminal device is in off-mode, So that touch screen is connected with sensor, therefore, enabling touch screen, touch screen is still when terminal device is in off-mode It is able to detect the operation of user.

502, whether touch screen detects the first operation of user.

In the case that touch screen detects the first operation of user, step 503 is executed, when user is not detected in touch screen First operation in the case where, execute step 505.

The touch duration of above-mentioned first operation refers to touch operation duration, and touch number is touch operation Number, touch interval and refer to when it is multiple for touching number, institute's interval time between adjacent touch operation, touching intensity It can refer to the dynamics that screen is pressed when touch.

Specifically, the first operation, which can be, touches the duration greater than 5s, and touching number is 1 time, 0 is divided between touch, touching The operation that dynamics is greater than pre set force degree is touched, alternatively, the first operation can also be that touching number is 2 times, first time touch operation Duration is 0.5s, and the duration of second of touch operation is 5s, and 1s is divided between touch, and touching intensity is greater than default dynamics Operation.

In addition, above-mentioned first operation is referred to as power-on operation, which is used for the booting of controlling terminal equipment.

503, sensor sends first control signal to power management module.

504, the output port of power source of power management module starts to power.

Above-mentioned first control signal is referred to as starting-up signal or opens machine control signal, when power management module receives To after first control signal, control output port of power source exports electric current, thus for the module being connected with the output port of power source Or unit power supply.

It should be understood that above-mentioned first control signal is equivalent to the power button for playing the role of terminal device, when user passes through When power button is switched on, the signal input port of power management module can also receive a control signal, receive the control After signal, the output port of power source of power management module starts to power.

505, terminal device remains turned off state.

When touch screen does not detect the first operation of user, sensor will not generate above-mentioned first control signal, because This, the output port of power source of power management module can still maintain the state that do not power, and therefore, terminal device can still remain turned off State.

In the application, when touch screen detects the power-on operation of user, sensor can be issued to power management module and be held Machine control signal, to realize the booting of terminal device, therefore, the method for the embodiment of the present application can directly pass through touch screen The booting of terminal device is realized in operation, can pass through the power up function of the operation substitution power button of touch screen.

The control method applied to terminal device of the embodiment of the present application in addition to that can utilize touch screen in the power-offstate Operation realize terminal device booting except, the operation of touch screen can also be utilized in the case where terminal device is in crash state Realize restarting for terminal device.

When being in crash state to terminal device below with reference to Figure 14, how using the operation of touch screen to realize that terminal is set Standby restarting is described in detail.

It should be understood that terminal device corresponding to method shown in Figure 14 further includes application processor, and the touch screen control The signal output port of device processed is connected respectively with the signal input port of the application processor and the letter of the selection switch Number input port is connected.The structure of the corresponding terminal device of method shown in Figure 14 can be as shown in Figure 8.

Figure 14 is the flow chart of the control method applied to terminal device of the embodiment of the present application.Method packet shown in Figure 14 Step 601 is included to step 609.It is described in detail separately below to 601 to step 609.

601, start.

602, determine whether terminal device crashes.

When terminal device crashes, step 603 is executed to 607, when terminal device does not crash, it is believed that terminal is set It is standby to be in normal condition, execute step 608 and step 609.It should be understood that the process of above-mentioned steps 603 to 607 is understood that attach most importance to Process is opened, and step 608 and step 609 are then the equal of the course of normal operation of terminal device.

Terminal device crash can refer to that terminal device does not respond to when the user touches the screen, and the judgement of crash can be with Whether application processor is capable of the various touch operations of normal response user to determine, for example, when application processor can not be (pre- If time in) response user touch operation when can consider terminal device crash.

Specifically, it can determine whether terminal device crashes by the touch screen controller of terminal device.In general, meeting Timing sends interrupt signal to touch screen controller, can when application processor does not respond the interrupt signal within a preset time To think that terminal device is in crash state.

603, touch screen controller switchs to selection and sends second control signal.

604, the operation of touch screen detection user.

Above-mentioned second control signal is referred to as the switching signal of selection switch, and being specifically used for control selections switch will be public End is connected with first choice output end altogether, and touch screen is connected with the signal input port of sensor, works as touch in this way After screen detects the operation of user, sensor will generate level signal to control power management module.

605, whether touch screen detects the second operation of user.

Step 606 and step 607 are executed after touch screen detects the second operation of user, executes the weight of terminal device Open, when the second operation of user is not detected in touch screen since terminal device is also in crash state, terminal device after Continuous wait until executes restarting process after touch screen detects the second operation of user again.

Optionally, above-mentioned second operation is touch operation, and the touch duration of second operation touches number, touches At least one of interval, touching intensity meet the second preset condition.

The touch duration of above-mentioned second operation refers to touch operation duration, and touch number is touch operation Number, touch interval and refer to when it is multiple for touching number, institute's interval time between adjacent touch operation, touching intensity It can refer to the dynamics that screen is pressed when touch.

Specifically, the second operation, which can be, touches the duration greater than 6s, and touching number is 1 time, 0 is divided between touch, touching The operation that dynamics is greater than pre set force degree is touched, alternatively, the first operation can also be that touching number is 2 times, first time touch operation Duration is 1s, and the duration of second of touch operation is 6s, and 1s is divided between touch, and touching intensity is greater than default dynamics Operation.

In addition, above-mentioned first operation is referred to as reboot operation, the second operation restarting for controlling terminal equipment.

606, sensor sends third to power management module and controls signal.

607, the output port of power source of power management module first stops powering and restore electricity again.

Above-mentioned third control signal is referred to as Restart Signal, which is used to control the electricity of power management module Source output terminal mouth first stops power supply and restores electricity again.Receive third control signal after, power management module first stop be Then the module for power supply being connected with its output port of power source is powered again for these module recoveries.

608, the operation of touch screen detection user.

609, touch screen controller issues corresponding control information to application processor depending on the user's operation

Step 608 and step 609 are the equal of the course of normal operation of terminal device, and touch screen detects the operation of user Later, then the operation information of touch screen controller identification user carries out phase to application processor according to the operation information of user The processing answered, to respond the operation of user.

In the application, when terminal device is in crash state, if touch screen is able to detect that the reboot operation of user, So, touch screen controller can send Restart Signal to power management module, crash so as to be in terminal device When state, restarting for terminal device is realized using the operation of touch screen.

In the embodiment of the present application, it can determine whether terminal device crashes by touch controller.

Touch screen controller determines that terminal device is in the process of crash state can be as shown in figure 15.

Figure 15 is the flow chart of the control method applied to terminal device of the embodiment of the present application.Process pair shown in figure 15 The structure for the terminal device answered can be as shown in Figure 8.Method shown in figure 15 specifically includes step 701 to step 704.Divide below It is other to be described in detail to 701 to step 704.

701, touch screen controller sends interrupt signal to application processor.

Optionally, touch screen controller can send to application processor every fixed interval of time and interrupt letter Number.

702, whether touch screen controller receives the response signal of application processor within a preset time.

When touch screen controller is not received by the response signal of application processor within a preset time, enter step 703, that is, determine that terminal device is in crash state, step 704 is otherwise entered, determines that terminal device is in and works normally State.

It should be understood that the response signal is the feedback to interrupt signal, specifically, when application processor receives interrupt signal Later if reading the touch information of user from touch screen controller within a preset time, touch screen control can be thought Device has received the response signal of application processor within a preset time, can determine that terminal device is at this time and work normally shape State does not crash.And when application processor is after receiving interrupt signal, if within a preset time still not from touch screen Controller reads the touch information of user, then can think that touch screen controller is not received by application within a preset time The response signal of processor can determine that terminal device is in crash state at this time.

703, determine that terminal device is in crash state.

704, determine that terminal device is in normal operating conditions

It is described above in association with control method applied to terminal device of the Figure 13 to Figure 15 to the embodiment of the present application, It is described in more detail below with reference to control method applied to terminal device of the Figure 16 to the embodiment of the present application.It should be understood that Process shown in Figure 16 is a detailed process of the control method applied to terminal device of the embodiment of the present application, is not The control method applied to terminal device of the embodiment of the present application is limited to detailed process shown in Figure 16.

Figure 16 is the flow chart of the control method applied to terminal device of the embodiment of the present application.Method shown in Figure 16 is shown When having gone out terminal device and being in off-mode, touch screen detects the process flow after the touch operation of user, the processing stream The restarting process and terminal device that journey contains the booting of terminal device, terminal device is under crash state are in normal shape The course of work under state.

Method shown in Figure 16 can be executed by terminal device, and the structure of the corresponding terminal device of method shown in Figure 16 can With as shown in figure 11.Method shown in Figure 16 specifically includes step 801 to step 815, and step 801 to step 815 can correspond to In each step of the figure 13 above into Figure 15, above the restriction of each step to Figure 13 into Figure 15 is equally applicable In Figure 16, for sake of simplicity, suitably omitting repetitive description below when describing each step shown in Figure 16.

Method shown in Figure 16 includes step 801 to step 815, carries out detailed Jie to 801 to step 815 separately below It continues.

801, the operation of touch screen detection user.

It should be understood that when terminal device is in off-mode, the selection for selecting the common end of switch to be connect with sensor Output end is connected, so that touch screen is connected with sensor, therefore, enables touch screen when terminal device is in off-mode It still is able to the operation of detection user.

802, whether touch screen detects the power-on operation of user.

In the case that touch screen detects the power-on operation of user, step 803 is executed, when user is not detected in touch screen First operation in the case where, execute step 804.

The power-on operation is equivalent to the first operation above, which can be touch operation, the power-on operation The touch duration, touch number, touch interval, at least one of touching intensity meets the first preset condition.

803, sensor sends starting-up signal to power management integrated circuit.

The starting-up signal (being referred to as out machine control signal) is equivalent to first control signal above, when power supply collection After receiving starting-up signal at circuit, control output port of power source exports electric current, thus to be connected with the output port of power source Module or unit power supply.

804, the power port of power management integrated circuit starts to power.

805, terminal device remains turned off state.

When touch screen does not detect the power-on operation of user, sensor will not generate above-mentioned starting-up signal, therefore, electricity The output port of power source of source control module can still maintain the state that do not power, and therefore, terminal device can still remain turned off state.

806, touch screen controller switchs to selection and sends the first switching signal.

807, the selection output end that common end is connect by selection switch with touch screen controller connects.

When terminal device booting, power management integrated circuit is that touch screen controller is powered, and touch screen controller is to choosing Select switch output the first switching signal (specifically can be high level signal), selection switch receive first switching signal it The selection output end that the common end of selection switch is connect with touch screen controller (is equivalent to the second selection output above afterwards End) it is connected.So that touch screen is connected with the signal input port of touch screen controller, so that touch screen is detecting user Corresponding operation after, touch screen controller can identify the operation of user, and be controlled according to user's operation using processing Device performs corresponding processing.

808, determine whether terminal device crashes.

When terminal device is in crash state, step 809 is executed to step 813, is worked normally when terminal device is in When state, step 814 is executed to step 815.The process of step 809 to 813 can be understood as restarting process, and step 814 and Step 815 is then the equal of the course of normal operation of terminal device.

Optionally, in step 808, can determine whether terminal device is dead by the touch screen controller of terminal device Machine.In general, interrupt signal periodically can be sent to touch screen controller, when application processor does not respond within a preset time It can consider that terminal device is in crash state when the interrupt signal.

809, touch screen controller switchs to selection and sends the second switching signal.

810, the operation of touch screen detection user.

Above-mentioned second switching signal is equivalent to second control signal above, which is specifically used for control The selection output end (being equivalent to first choice output end above) that common end is connect with sensor is connected by selection switch, makes Obtaining touch screen can be connected with the signal input port of sensor, in this way after touch screen detects the operation of user, sensing Device will generate level signal to control power management module.

811, whether touch screen detects the reboot operation of user.

Above-mentioned reboot operation is equivalent to the second operation above, for restarting for controlling terminal equipment.The reboot operation It can be touch operation, which touches the duration, touches number, touch at least one be spaced, in touching intensity Kind meets the second preset condition.

812, sensor sends Restart Signal to power management integrated circuit.

813, the output port of power source of power management integrated circuit first stops powering and restore electricity again.

Here Restart Signal is equivalent to the control signal of third above, and the Restart Signal is for controlling power management mould The output port of power source of block first stops power supply and restores electricity again.After receiving Restart Signal, power management module first stops For the module for power supply being connected with its output port of power source, then power again for these module recoveries.

814, the operation of touch screen detection user.

815, touch screen controller sends corresponding control information to application processor depending on the user's operation.

Step 814 and step 815 are the equal of the course of normal operation of terminal device, and touch screen detects the operation of user Later, then the operation information of touch screen controller identification user carries out phase to application processor according to the operation information of user The processing answered, to respond the operation of user.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed Scope of the present application.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), arbitrary access are deposited The various media that can store program code such as reservoir (Random Access Memory, RAM), magnetic or disk.

The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.

Claims

1. a kind of terminal device characterized by comprising

Touch screen；

The common end of selection switch, the selection switch is connect with the touch screen；

The power consumption of sensor, the sensor is switched less than 400 microwatts, the signal input port of the sensor and the selection First choice output end be connected；

Second selection output end of touch screen controller, the signal input port of the touch screen controller and the selection switch It is connected；

System power supply, the output port of power source of the system power supply are connected with the power input port of the sensor.

2. terminal device as described in claim 1, which is characterized in that the terminal device further include:

Power management module, the signal output port phase of the signal input port of the power management module and the sensor Even, the power input port of the power management module is connected with the output port of power source of the system power supply.

3. terminal device as claimed in claim 1 or 2, which is characterized in that the terminal device further include:

Logic circuit, the logic circuit are connected between the sensor and the power management module.

4. terminal device as claimed in claim 3, which is characterized in that the logic circuit is AND gate circuit, OR circuit, non- The circuit of at least one of gate circuit, flip-flop circuit and delay circuit composition.

5. such as terminal device of any of claims 1-4, which is characterized in that the signal of the touch screen controller is defeated Exit port is connected with the signal input port of selection switch.

6. terminal device according to any one of claims 1 to 5, which is characterized in that the terminal device further include:

Application processor, the signal output port phase of the signal input port of the application processor and the touch screen controller Even.

7. such as terminal device of any of claims 1-6, which is characterized in that the terminal device further include:

Voltage stabilizing chip, the voltage stabilizing chip are connected between the system power supply and the sensor.

8. a kind of control method applied to terminal device, the terminal device includes touch screen, sensor and system power supply, In, the power consumption of the sensor is less than 400 microwatts, and the signal input port of the sensor is connected with touch screen, the sensing The power input port of device and the output port of power source of system power supply connect characterized by comprising

Touch screen sends touch signal to the sensor；

The sensor generates control signal according to the touch signal, and the control signal is opened for controlling the terminal device Machine is restarted.

9. method according to claim 8, which is characterized in that the terminal device further includes power management module, the electricity The signal input port of source control module is connected with the signal output port of the sensor, and the control signal is specially to be switched on Signal, the method also includes:

The sensor sends the starting-up signal to the power management module, and the starting-up signal is for controlling the power supply The output port of power source of management module is powered.

10. method according to claim 8, which is characterized in that the terminal device further includes power management module, the electricity The signal input port of source control module is connected with the signal output port of the sensor, and the control signal is specially to restart Signal, the method also includes:

The sensor sends the Restart Signal to the power management module, and the Restart Signal is for controlling the power supply The output port of power source of management module first stops power supply and restores electricity again.

11. the method as described in any one of claim 8-10, which is characterized in that the terminal device further includes selection switch And touch screen controller, wherein the common end of the selection switch is connect with the touch screen, the first choosing of the selection switch It selects output end to connect with the signal input port of the sensor, the signal input port and the touch screen of the selection switch The signal output port of controller connects, and before the touch screen sends touch signal to the sensor, the method is also Include:

The touch screen controller is switched to the selection sends the first switching signal, and first switching signal is for controlling institute It states selection switch the common end is connected with the first choice output end.

12. method as claimed in claim 11, which is characterized in that the second selection output end and touch screen of the selection switch The signal input port of controller connects, after terminal device booting, the method also includes:

The touch screen controller is switched to the selection sends the second switching signal, and second switching signal is for controlling institute It states selection switch and the common end is connected with the second selection output end.

13. method as claimed in claim 12, which is characterized in that the terminal device further includes application processor, described to answer It is connected with the signal input port of processor with the signal output port of the touch screen controller, the method also includes:

Touch screen sends wake-up signal to the touch screen controller；

The touch screen controller is generated according to the wake-up signal wakes up control signal, and the wake-up control signal is for waking up The screen of the terminal device.