CN112308937A - Method and system for displaying graph on TFT (thin film transistor) screen - Google Patents

Abstract

The invention provides a method and a system for displaying graphs on a TFT (thin film transistor) screen, which comprises the following steps: step S1: performing picture transcoding, and converting the color picture format file into picture coding data which can be identified by the MCU; step S2: storing the successfully converted picture coding data into an MCU internal storage unit; step S3: reading picture coding data from an internal storage unit of the MCU, and further displaying a picture; step S4: the picture encoding data is sent to the TFT display driver for on-screen display by the TFT screen display function. The invention solves the problem of overlarge storage space occupied by the color picture storage in the low-cost MCU by adopting the picture compression technology storage technology; the invention solves the problem that the monochromatic picture data can not display the multicolor picture through the technology of converting the monochromatic pictures into the color pictures.

Description

Method and system for displaying graph on TFT (thin film transistor) screen

Technical Field

The invention relates to the technical field of picture storage and compression, in particular to a method and a system for displaying a graph on a TFT (thin film transistor) screen.

Background

The problem that storage space occupied by color picture storage is too large in a low-cost MCU and the problem that monochrome picture data cannot display multicolor pictures are urgently needed to be solved. The prior art needs a method and a system for displaying graphics on a TFT screen.

Patent document CN105513101A discloses a picture processing method and device, relating to the technical field of picture processing. The method comprises the following steps: acquiring a picture to be stored; determining whether a similar picture of the picture to be stored exists in the stored pictures; when the stored pictures have similar pictures of the pictures to be stored, compressing the pictures to be stored by adopting an interframe compression mode according to the similar pictures of the pictures to be stored; and storing the compressed picture to be stored. The device comprises: the acquisition module is used for acquiring a picture to be stored; the determining module is used for determining whether similar pictures of the pictures to be stored exist in the stored pictures or not; the compression module is used for compressing the picture to be stored in an interframe compression mode according to the similar picture of the picture to be stored when the similar picture of the picture to be stored exists in the stored picture; and the storage module is used for storing the compressed picture to be stored. The patent still leaves room for improvement in the technical effects achieved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a method and a system for displaying a graph on a TFT screen.

The method for displaying the graph on the TFT screen comprises the following steps:

step S1: performing picture transcoding, and converting the color picture format file into picture coding data which can be identified by the MCU;

step S2: storing the successfully converted picture coding data into an MCU internal storage unit;

step S3: reading picture coding data from an internal storage unit of the MCU, and further displaying a picture;

step S4: the picture encoding data is sent to the TFT display driver for on-screen display by the TFT screen display function.

Preferably, the step S1 includes:

step S1.1: converting the color picture into a plurality of monochromatic pictures with different colors;

preferably, the step S1 further includes:

step S1.2: and converting the formats of the plurality of monochromatic pictures with different colors to generate MCU identifiable data.

Preferably, the step S4 includes:

step S4.1: and converting the plurality of monochromatic picture data into color picture data through a multi-monochromatic image conversion color image processing technology.

Preferably, the step S4 further includes:

step S4.2: and transmitting the color picture data to a TFT screen display driving chip for display through a communication interface of the MCU.

The invention provides a system for displaying graphs on a TFT screen, which comprises:

module M1: performing picture transcoding, and converting the color picture format file into picture coding data which can be identified by the MCU;

module M2: storing the successfully converted picture coding data into an MCU internal storage unit;

module M3: reading picture coding data from an internal storage unit of the MCU, and further displaying a picture;

module M4: the picture encoding data is sent to the TFT display driver for on-screen display by the TFT screen display function.

Preferably, said module M1 comprises:

module M1.1: the color picture is converted into a plurality of monochrome pictures of different colors.

Preferably, the module M1 further includes:

module M1.2: and converting the formats of the plurality of monochromatic pictures with different colors to generate MCU identifiable data.

Preferably, said module M4 comprises:

module M4.1: and converting the plurality of monochromatic picture data into color picture data through a multi-monochromatic image conversion color image processing technology.

Preferably, the module M4 further includes:

module M4.2: and transmitting the color picture data to a TFT screen display driving chip for display through a communication interface of the MCU.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention solves the problem of overlarge storage space occupied by the color picture storage in the low-cost MCU by adopting the picture compression technology storage technology;

2. the invention solves the problem that the data of the monochromatic pictures can not display the multicolor pictures by the color image processing technology of converting the monochromatic pictures into the multicolor pictures;

3. the invention has reasonable flow structure and convenient use and can overcome the defects of the prior art.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic flow chart of a first overall framework in an embodiment of the present invention.

Fig. 2 is a schematic flow chart of a second overall framework in the embodiment of the invention.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.

As shown in fig. 1-2, the method for displaying graphics on a TFT screen according to the present invention comprises:

step S1: performing picture transcoding, and converting the color picture format file into picture coding data which can be identified by the MCU;

step S2: storing the successfully converted picture coding data into an MCU internal storage unit;

step S3: reading picture coding data from an internal storage unit of the MCU, and further displaying a picture;

step S4: the picture encoding data is sent to the TFT display driver for on-screen display by the TFT screen display function.

Preferably, the step S1 includes:

step S1.1: the color picture is converted into a plurality of monochrome pictures of different colors.

Preferably, the step S1 further includes:

step S1.2: and converting the formats of the plurality of monochromatic pictures with different colors to generate MCU identifiable data.

Preferably, the step S4 includes:

step S4.1: and converting the plurality of monochromatic picture data into color picture data through a multi-monochromatic image conversion color image processing technology.

Preferably, the step S4 further includes:

step S4.2: and transmitting the color picture data to a TFT screen display driving chip for display through a communication interface of the MCU.

The invention provides a system for displaying graphs on a TFT screen, which comprises:

module M1: performing picture transcoding, and converting the color picture format file into picture coding data which can be identified by the MCU;

module M2: storing the successfully converted picture coding data into an MCU internal storage unit;

module M3: reading picture coding data from an internal storage unit of the MCU, and further displaying a picture;

module M4: the picture encoding data is sent to the TFT display driver for on-screen display by the TFT screen display function.

Preferably, said module M1 comprises:

module M1.1: converting the color picture into a plurality of monochromatic pictures with different colors;

preferably, the module M1 further includes:

module M1.2: and converting the formats of the plurality of monochromatic pictures with different colors to generate MCU identifiable data.

Preferably, said module M4 comprises:

module M4.1: and converting the plurality of monochromatic picture data into color picture data through a multi-monochromatic image conversion color image processing technology.

Preferably, the module M4 further includes:

module M4.2: and transmitting the color picture data to a TFT screen display driving chip for display through a communication interface of the MCU.

The invention solves the problem of overlarge storage space occupied by the color picture storage in the low-cost MCU by adopting the picture compression technology storage technology; the invention solves the problem that the data of the monochromatic pictures can not display the multicolor pictures by the color image processing technology of converting the monochromatic pictures into the multicolor pictures; the invention has reasonable flow structure and convenient use and can overcome the defects of the prior art.

Those skilled in the art will appreciate that, in addition to implementing the system and its various devices, modules, units provided by the present invention as pure computer readable program code, the system and its various devices, modules, units provided by the present invention can be fully implemented by logically programming method steps in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units included in the system for realizing various functions can also be regarded as structures in the hardware component; means, modules, units for performing the various functions may also be regarded as structures within both software modules and hardware components for performing the method.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (10)

1. A method for displaying graphics on a TFT (thin film transistor) screen is characterized by comprising the following steps:

step S1: performing picture transcoding, and converting the color picture format file into picture coding data which can be identified by the MCU;

step S2: storing the successfully converted picture coding data into an MCU internal storage unit;

step S3: reading picture coding data from an internal storage unit of the MCU, and further displaying a picture;

step S4: the picture encoding data is sent to the TFT display driver for on-screen display by the TFT screen display function.

2. The method for displaying graphics on a TFT screen as recited in claim 1, wherein the step S1 comprises:

step S1.1: the color picture is converted into a plurality of monochrome pictures of different colors.

3. The method for displaying a graphic on a TFT screen as recited in claim 2, wherein the step S1 further comprises:

step S1.2: and converting the formats of the plurality of monochromatic pictures with different colors to generate MCU identifiable data.

4. The method for displaying graphics on a TFT screen as recited in claim 1, wherein the step S4 comprises:

step S4.1: and converting the plurality of monochromatic picture data into color picture data through a multi-monochromatic image conversion color image processing technology.

5. The method for displaying graphics on a TFT screen as recited in claim 1, wherein the step S4 further comprises:

step S4.2: and transmitting the color picture data to a TFT screen display driving chip for display through a communication interface of the MCU.

6. A system for displaying graphics on a TFT screen, comprising:

module M1: performing picture transcoding, and converting the color picture format file into picture coding data which can be identified by the MCU;

module M2: storing the successfully converted picture coding data into an MCU internal storage unit;

module M3: reading picture coding data from an internal storage unit of the MCU, and further displaying a picture;

module M4: the picture encoding data is sent to the TFT display driver for on-screen display by the TFT screen display function.

7. The system for displaying graphs on a TFT screen according to claim 1, wherein the module M1 comprises:

module M1.1: the color picture is converted into a plurality of monochrome pictures of different colors.

8. A system for displaying a graphic on a TFT screen as claimed in claim 2, wherein the module M1 further comprises:

module M1.2: and converting the formats of the plurality of monochromatic pictures with different colors to generate MCU identifiable data.

9. The system for displaying graphs on a TFT screen according to claim 1, wherein the module M4 comprises:

module M4.1: and converting the plurality of monochromatic picture data into color picture data through a multi-monochromatic image conversion color image processing technology.

10. The system for displaying graphs on a TFT screen according to claim 1, wherein the module M4 further comprises:

module M4.2: and transmitting the color picture data to a TFT screen display driving chip for display through a communication interface of the MCU.

Images