CN104881172A - Screen calibration method and system for interaction between vehicle-mounted host computer and smart phone - Google Patents
Screen calibration method and system for interaction between vehicle-mounted host computer and smart phone Download PDFInfo
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- CN104881172A CN104881172A CN201510264928.5A CN201510264928A CN104881172A CN 104881172 A CN104881172 A CN 104881172A CN 201510264928 A CN201510264928 A CN 201510264928A CN 104881172 A CN104881172 A CN 104881172A
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Abstract
The invention discloses a screen calibration method and system for interaction between a vehicle-mounted host computer and a smart phone. Specifically, connection between the vehicle-mounted host computer and the smart phone is set up through a data transmission mode; the smart phone obtains and transmits a screen resolution, transverse screen state data and vertical screen state data to the vehicle-mounted host computer; the vehicle-mounted host computer obtains a mapping frame according to the screen resolution, the transverse screen state data and the vertical screen state data of the smart phone; then click events input by a user through a screen are received; the vehicle-mounted host computer obtains vehicle-mounted screen coordinates and smart phone screen coordinates corresponding to the click events, and screen calibration of the vehicle-mounted host computer and the smart phone is achieved according to the mapping relation. By means of the technical scheme, the user clicks the screen one to two times at will to achieve automatic screen calibration of the vehicle-mounted host computer and the smart phone, use is convenient, and efficiency is greatly improved.
Description
Technical field
The present invention relates to on-vehicle host and smart mobile phone screen calibration technical field, particularly relate to screen calibration method and the system of a kind of on-vehicle host and smart mobile phone interaction.
Background technology
On-vehicle host and smart mobile phone interactive cooperation are one of main flow functions of current vehicle electronics product, are also the chief components of car multi-screen interacted system.
When using on-vehicle host and smart mobile phone interactive cooperation function, the touch display screen of on-vehicle host and smart mobile phone has a corresponding relation, user needs first to carry out screen calibration, current way mainly clicks 4 positions (four angles of rectangle) on on-vehicle host interface, or 5 positions (four Ge Jiaohe centers of rectangle), user needs to aim at these and clicks, if do not aimed at, also need repeatedly, calibration efficiency is lower.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide screen calibration method and the system of a kind of on-vehicle host and smart mobile phone interaction, be intended to solve existing collimation technique and need aim at several point and click, the problem that calibration efficiency is lower.
Technical scheme of the present invention is as follows:
A screen calibration method for on-vehicle host and smart mobile phone interaction, wherein, comprises step:
A, on-vehicle host are connected by data transfer mode and smart mobile phone;
B, smart mobile phone obtain screen resolution, and horizontal screen status data or perpendicular screen status data, and transfer to on-vehicle host;
C, on-vehicle host are according to the screen resolution of described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtain and map picture; Then the click event that user is inputted by screen is received;
D, on-vehicle host obtain on-vehicle host screen coordinate corresponding to described click event and smart mobile phone screen coordinate, then realize the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
The screen calibration method of described on-vehicle host and smart mobile phone interaction, wherein, in described steps A, described data transfer mode comprises: the transmission of MHL data and Bluetooth transmission.
The screen calibration method of described on-vehicle host and smart mobile phone interaction, wherein, in described step C: described mapping picture is placed in the middle or full screen display in on-vehicle host.
The screen calibration method of described on-vehicle host and smart mobile phone interaction, wherein, described step C specifically comprises step: on-vehicle host is according to the screen resolution of described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtains and maps picture; Then whether on-vehicle host monitor user ' inputs click event by screen, if so, then performs step D; If not, then whether on-vehicle host continuation monitor user ' inputs click event by screen.
The screen calibration method of described on-vehicle host and smart mobile phone interaction, wherein, described step D specifically comprises step:
D1, on-vehicle host obtain on-vehicle host screen coordinate corresponding to click event, and described click event is sent to smart mobile phone by on-vehicle host simultaneously;
D2, smart mobile phone, according to described click event information, obtain smart mobile phone screen coordinate, and described smart mobile phone screen coordinate are returned to on-vehicle host;
D3, on-vehicle host, according to described on-vehicle host screen coordinate and smart mobile phone screen coordinate, realize the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
The screen calibration method of described on-vehicle host and smart mobile phone interaction, wherein, in described step D, described on-vehicle host screen coordinate is designated as (X, Y), and described smart mobile phone screen coordinate is designated as (x, y), and described mapping relations formula is:
X=x*xScale+xOffet；
Y=y*yScale+yOffet；
XScale is calculated, xOffet, yScale, yOffet, to realize the screen calibration of on-vehicle host and smart mobile phone according to above-mentioned mapping relations;
Wherein, xScale is the scale value in x direction, and xOffet is the off-set value in x direction, and yScale is the scale value in y direction, and yOffet is the off-set value in y direction.
A system for the screen calibration method of on-vehicle host described above and smart mobile phone interaction, wherein, comprising:
Link block, is connected by data transfer mode and smart mobile phone for on-vehicle host;
Obtain and transport module, for smart mobile phone screen resolution, and horizontal screen status data or perpendicular screen status data, and transfer to on-vehicle host;
Obtain and receiver module, for the screen resolution of on-vehicle host according to described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtain and map picture; Then the click event that user is inputted by screen is received;
Obtain and calibration module, obtain on-vehicle host screen coordinate corresponding to described click event and smart mobile phone screen coordinate for on-vehicle host, then realize the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
The system of the screen calibration method of described on-vehicle host and smart mobile phone interaction, wherein, described data transfer mode comprises: the transmission of MHL data and Bluetooth transmission.
The system of the screen calibration method of described on-vehicle host and smart mobile phone interaction, wherein, described acquisition and receiver module, specifically for the screen resolution of on-vehicle host according to described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtain and map picture, then whether on-vehicle host monitor user ' inputs click event by screen, if so, then acquisition and calibration module is performed; If not, then whether on-vehicle host continuation monitor user ' inputs click event by screen.
The system of the screen calibration method of described on-vehicle host and smart mobile phone interaction, wherein, described acquisition and calibration module specifically comprise:
Obtain and transmitting element, obtain on-vehicle host screen coordinate corresponding to click event for on-vehicle host, described click event is sent to smart mobile phone by on-vehicle host simultaneously;
Obtain and back propagation unit, for smart mobile phone according to described click event information, obtain smart mobile phone screen coordinate, and described smart mobile phone screen coordinate is returned to on-vehicle host;
Alignment unit, for on-vehicle host according to described on-vehicle host screen coordinate and smart mobile phone screen coordinate, realizes the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
Beneficial effect: smart mobile phone of the present invention obtains screen resolution, and horizontal screen status data or perpendicular screen status data, and transfer to on-vehicle host; On-vehicle host is according to the screen resolution of described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtains and maps picture, then receive the click event that user is inputted by screen; On-vehicle host obtains on-vehicle host screen coordinate corresponding to described click event and smart mobile phone screen coordinate, then realizes the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.The present invention is by technique scheme, and user arbitrarily clicks the automatic screen calibration that just can realize on-vehicle host and smart mobile phone 1-2 time, and easy to use, calibration efficiency is greatly enhanced.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the screen calibration method preferred embodiment of a kind of on-vehicle host of the present invention and smart mobile phone interaction.
Fig. 2 is the particular flow sheet of step S400 in Fig. 1.
Fig. 3 is the structured flowchart of the system preferred embodiment of the screen calibration method of a kind of on-vehicle host of the present invention and smart mobile phone interaction.
Fig. 4 obtains the concrete structure block diagram with calibration module 400 in Fig. 3.
Embodiment
The invention provides screen calibration method and the system of a kind of on-vehicle host and smart mobile phone interaction, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the process flow diagram of the screen calibration method preferred embodiment of a kind of on-vehicle host of the present invention and smart mobile phone interaction, it comprises step:
S100, on-vehicle host are connected by data transfer mode and smart mobile phone;
S200, smart mobile phone obtain screen resolution, and horizontal screen status data or perpendicular screen status data, and transfer to on-vehicle host;
S300, on-vehicle host are according to the screen resolution of described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtain and map picture; Then the click event that user is inputted by screen is received;
S400, on-vehicle host obtain on-vehicle host screen coordinate corresponding to described click event and smart mobile phone screen coordinate, then realize the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
When using on-vehicle host and smart mobile phone interactive cooperation function, the touch display screen of on-vehicle host and smart mobile phone has a corresponding relation, and user needs first to carry out screen calibration.Generally 4 positions (four angles as screen) being clicked screen by user in prior art, or 5 of screen positions (as four angles of screen and the center of screen), to realize the calibration of screen.This makes user need the above-mentioned multiple ad-hoc location of aligning screen to click, if user does not aim at, also needs repeatedly, thus causes screen calibration efficiency lower.For the problems referred to above, the present invention improves prior art, and by technique scheme of the present invention, user arbitrarily clicks the automatic screen calibration that just can realize on-vehicle host and smart mobile phone 1-2 time, and easy to use, calibration efficiency is improved greatly.
In described step S100, described data transfer mode comprises: the transmission of MHL data and Bluetooth transmission.Particularly, MHL data line transfer audio, video data is passed through between on-vehicle host of the present invention and smart mobile phone.Be connected by blue teeth wireless between on-vehicle host with smart mobile phone and realize touch control with communication.Certainly the invention is not restricted to above-mentioned data transfer mode, can also be other data transfer mode, when reaching same effect, all in the scope of the present embodiment.
Particularly, bluetooth of the present invention supports SPP and HID agreement, and on-vehicle host carries out communication by SPP protocol channel and smart mobile phone, and on-vehicle host sends the click event of on-vehicle host screen to smart mobile phone by HID protocol channel.
In described step S200: smart mobile phone obtains screen resolution, and horizontal screen status data or perpendicular screen status data, and transfer to on-vehicle host.Wherein, described horizontal screen status data is screen x direction coordinate, and described perpendicular screen status data is screen y direction coordinate.
In described step S300: described mapping picture is placed in the middle or full screen display in on-vehicle host.Mapping picture of the present invention is also referred to as mapping interface, and described mapping interface is by MHL interface, the vision signal of the display interface on smart mobile phone is presented on the screen of on-vehicle host.Particularly, because smart mobile phone (mobile phone of such as Android system) can automatic decision be current is in horizontal screen state or perpendicular screen state, and when smart mobile phone is in horizontal screen state, picture full screen display in on-vehicle host is mapped; When smart mobile phone is in perpendicular screen state, maps picture and reduce in on-vehicle host and show between two parties.On-vehicle host of the present invention is receiving the screen resolution of smart mobile phone transmission, and after horizontal screen status data or perpendicular screen status data, image placed in the middle or full screen display in on-vehicle host of smart mobile phone, obtains mapping picture.Then on-vehicle host voice message user is by screen taps on-vehicle host screen several times, to carry out screen calibration.Usual user only needs arbitrarily to click 1-2 time, just can realize screen calibration.
Further, described step S300 specifically comprises step: on-vehicle host is according to the screen resolution of described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtain and map picture, then whether on-vehicle host monitor user ' inputs click event by screen, if so, then step S400 is performed; If not, then whether on-vehicle host continuation monitor user ' inputs click event by screen.
As shown in Figure 2, step S400 of the present invention specifically comprises step:
S401, on-vehicle host obtain on-vehicle host screen coordinate corresponding to click event, and described click event is sent to smart mobile phone by on-vehicle host simultaneously;
In described step S401, on-vehicle host is after receiving the click event that user inputted by screen, and on-vehicle host obtains on-vehicle host screen coordinate corresponding to this click event, is designated as (X, Y) by on-vehicle host screen coordinate.And on-vehicle host sends described click event to smart mobile phone by HID protocol channel, on-vehicle host is sent by SPP agreement and comprises smart mobile phone screen coordinate corresponding to (X, Y) data packet request smart mobile phone passback actual click event simultaneously.
S402, smart mobile phone, according to described click event information, obtain smart mobile phone screen coordinate, and described smart mobile phone screen coordinate are returned to on-vehicle host;
In described step S402, after smart mobile phone receives a control click event information of HID, smart mobile phone is according to described click event information, produce a simulation click event, smart mobile phone obtains the smart mobile phone screen coordinate of described simulation click event, is designated as (x, y) by described smart mobile phone screen coordinate, then described smart mobile phone screen coordinate (x, y) is returned to on-vehicle host by SPP protocol channel by smart mobile phone.
S403, on-vehicle host, according to described on-vehicle host screen coordinate and smart mobile phone screen coordinate, realize the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
In described step S403, after on-vehicle host receives smart mobile phone screen coordinate (x, y), on-vehicle host is according to on-vehicle host screen coordinate (X, Y) and smart mobile phone screen coordinate (x, y), according to mapping relations, realize the automatic screen calibration of on-vehicle host and smart mobile phone interaction.
Particularly, in described step S400, described on-vehicle host screen coordinate is designated as (X, Y), and described smart mobile phone screen coordinate is designated as (x, y), and described mapping relations formula is:
X=x*xScale+xOffet；
Y=y*yScale+yOffet；
Wherein, xScale is the scale value in x direction, and xOffet is the off-set value in x direction, and yScale is the scale value in y direction, and yOffet is the off-set value in y direction;
On-vehicle host, by 2 click event of user, obtains vehicle-mounted machine screen coordinate (X1, Y1), (X2, Y2) and mobile phone screen coordinate (x1, y1), (x2, y2), again according to above-mentioned mapping relations formula, calculate xScale, xOffet, yScale, yOffet parameter.Like this based on these 2 groups of data, just calculate xScale, xOffet, yScale, yOffet parameter, thus just complete the automatic screen calibration of on-vehicle host and smart mobile phone.And in actual use, because xOffet and yOffet is generally 0, therefore, only need one group of above-mentioned data, namely user only needs arbitrarily to click just can calculate xScale, yScale parameter 1 time, thus realizes automatic screen calibration, greatly improves calibration efficiency.
On-vehicle host is according to above-mentioned mapping relations formula, calculate xScale, xOffet, yScale, yOffet parameter, if do not calculate above-mentioned parameter, then return and perform step S300, namely whether on-vehicle host continuation monitor user ' inputs click event by screen, until calculate xScale, xOffet, yScale, yOffet parameter.After calculating xScale, xOffet, yScale, yOffet parameter, on-vehicle host voice message automatic screen calibration completes, and the screen calibration of on-vehicle host and smart mobile phone terminates.The present invention does not need user to click the point of ad-hoc location, arbitrarily clicks and just can realize screen calibration 1-2 time.
Based on said method, the present invention also provides the system of the screen calibration method of a kind of on-vehicle host described above and smart mobile phone interaction, and as shown in Figure 3, it comprises:
Link block 100, is connected by data transfer mode and smart mobile phone for on-vehicle host;
Obtain and transport module 200, obtain screen resolution for smart mobile phone, and horizontal screen status data or perpendicular screen status data, and transfer to on-vehicle host;
Obtain and receiver module 300, for the screen resolution of on-vehicle host according to described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtain and map picture; Then the click event that user is inputted by screen is received;
Obtain and calibration module 400, obtain on-vehicle host screen coordinate corresponding to described click event and smart mobile phone screen coordinate for on-vehicle host, then realize the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
Described data transfer mode comprises: the transmission of MHL data and Bluetooth transmission.
Described acquisition and receiver module 300, specifically for the screen resolution of on-vehicle host according to described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtain and map picture; Then whether on-vehicle host monitor user ' inputs click event by screen, if so, then performs and obtains and calibration module 400; If not, then whether on-vehicle host continuation monitor user ' inputs click event by screen.
As shown in Figure 4, described acquisition and calibration module 400 specifically comprise:
Obtain and transmitting element 401, obtain on-vehicle host screen coordinate corresponding to click event for on-vehicle host, described click event is sent to smart mobile phone by on-vehicle host simultaneously;
Obtain and back propagation unit 402, for smart mobile phone according to described click event information, obtain smart mobile phone screen coordinate, and described smart mobile phone screen coordinate is returned to on-vehicle host;
Alignment unit 403, for on-vehicle host according to described on-vehicle host screen coordinate and smart mobile phone screen coordinate, realizes the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
Be described in detail in existing in preceding method detailed description in detail about above-mentioned module and unit, therefore repeat no more.
In sum, smart mobile phone of the present invention obtains screen resolution, and horizontal screen status data or perpendicular screen status data, and transfers to on-vehicle host; On-vehicle host is according to the screen resolution of described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtains and maps picture, then receive the click event that user is inputted by screen; On-vehicle host obtains on-vehicle host screen coordinate corresponding to described click event and smart mobile phone screen coordinate, then realizes the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.The present invention is by technique scheme, and user arbitrarily clicks the automatic screen calibration that just can realize on-vehicle host and smart mobile phone 1-2 time, and easy to use, calibration efficiency is greatly enhanced.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. a screen calibration method for on-vehicle host and smart mobile phone interaction, is characterized in that, comprises step:
A, on-vehicle host are connected by data transfer mode and smart mobile phone;
B, smart mobile phone obtain screen resolution, and horizontal screen status data or perpendicular screen status data, and transfer to on-vehicle host;
C, on-vehicle host are according to the screen resolution of described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtain and map picture; Then the click event that user is inputted by screen is received;
D, on-vehicle host obtain on-vehicle host screen coordinate corresponding to described click event and smart mobile phone screen coordinate, then realize the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
2. the screen calibration method of on-vehicle host according to claim 1 and smart mobile phone interaction, is characterized in that, in described steps A, described data transfer mode comprises: the transmission of MHL data and Bluetooth transmission.
3. the screen calibration method of on-vehicle host according to claim 1 and smart mobile phone interaction, is characterized in that, in described step C: described mapping picture is placed in the middle or full screen display in on-vehicle host.
4. the screen calibration method of on-vehicle host according to claim 1 and smart mobile phone interaction, it is characterized in that, described step C specifically comprises step: on-vehicle host is according to the screen resolution of described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtains and maps picture; Then whether on-vehicle host monitor user ' inputs click event by screen, if so, then performs step D; If not, then whether on-vehicle host continuation monitor user ' inputs click event by screen.
5. the screen calibration method of on-vehicle host according to claim 1 and smart mobile phone interaction, is characterized in that, described step D specifically comprises step:
D1, on-vehicle host obtain on-vehicle host screen coordinate corresponding to click event, and described click event is sent to smart mobile phone by on-vehicle host simultaneously;
D2, smart mobile phone, according to described click event information, obtain smart mobile phone screen coordinate, and described smart mobile phone screen coordinate are returned to on-vehicle host;
D3, on-vehicle host, according to described on-vehicle host screen coordinate and smart mobile phone screen coordinate, realize the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
6. the screen calibration method of on-vehicle host and smart mobile phone interaction according to claim 1 or 5, is characterized in that, in described step D, described on-vehicle host screen coordinate is designated as (X, Y), and described smart mobile phone screen coordinate is designated as (x, y), described mapping relations formula is:
X=x*xScale+xOffet；
Y=y*yScale+yOffet；
XScale is calculated, xOffet, yScale, yOffet, to realize the screen calibration of on-vehicle host and smart mobile phone according to above-mentioned mapping relations;
Wherein, xScale is the scale value in x direction, and xOffet is the off-set value in x direction, and yScale is the scale value in y direction, and yOffet is the off-set value in y direction.
7. a system for the screen calibration method of on-vehicle host and smart mobile phone interaction as claimed in claim 1, is characterized in that, comprising:
Link block, is connected by data transfer mode and smart mobile phone for on-vehicle host;
Obtain and transport module, obtain screen resolution for smart mobile phone, and horizontal screen status data or perpendicular screen status data, and transfer to on-vehicle host;
Obtain and receiver module, for the screen resolution of on-vehicle host according to described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtain and map picture; Then the click event that user is inputted by screen is received;
Obtain and calibration module, obtain on-vehicle host screen coordinate corresponding to described click event and smart mobile phone screen coordinate for on-vehicle host, then realize the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
8. the system of the screen calibration method of on-vehicle host according to claim 7 and smart mobile phone interaction, is characterized in that, described data transfer mode comprises: the transmission of MHL data and Bluetooth transmission.
9. the system of the screen calibration method of on-vehicle host according to claim 7 and smart mobile phone interaction, it is characterized in that, described acquisition and receiver module, specifically for the screen resolution of on-vehicle host according to described smart mobile phone, and horizontal screen status data or perpendicular screen status data, obtain and map picture, then whether on-vehicle host monitor user ' inputs click event by screen, if so, then acquisition and calibration module is performed; If not, then whether on-vehicle host continuation monitor user ' inputs click event by screen.
10. the system of the screen calibration method of on-vehicle host according to claim 7 and smart mobile phone interaction, is characterized in that, described acquisition and calibration module specifically comprise:
Obtain and transmitting element, obtain on-vehicle host screen coordinate corresponding to click event for on-vehicle host, described click event is sent to smart mobile phone by on-vehicle host simultaneously;
Obtain and back propagation unit, for smart mobile phone according to described click event information, obtain smart mobile phone screen coordinate, and described smart mobile phone screen coordinate is returned to on-vehicle host;
Alignment unit, for on-vehicle host according to described on-vehicle host screen coordinate and smart mobile phone screen coordinate, realizes the screen calibration of on-vehicle host and smart mobile phone according to mapping relations.
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