CN111083459A - Intelligent projection driving method - Google Patents
Intelligent projection driving method Download PDFInfo
- Publication number
- CN111083459A CN111083459A CN201911420855.9A CN201911420855A CN111083459A CN 111083459 A CN111083459 A CN 111083459A CN 201911420855 A CN201911420855 A CN 201911420855A CN 111083459 A CN111083459 A CN 111083459A
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- China
- Prior art keywords
- 182xdt
- driving
- driving board
- digital signals
- uart
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/312—Driving therefor
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The invention discloses an intelligent projection driving method, which comprises the following steps: 182XDT system start-up; finishing initialization of a UART port; the system enters an operation mode; initializing a driving board module through a UART port; and the system end controls the driving board to enter an operating state through the UART port and outputs a digital signal to the driving board. Compared with the prior art, the UART controller controls the driving board and outputs digital signals to the driver; the driver board status is manipulated through the UART communication port in 182XDT of the MSTAR series while the signal is output to facilitate driving imaging.
Description
Technical Field
The invention belongs to the field of projection driving, and particularly relates to an intelligent projection driving method.
Background
The intelligent projector is a projector which is newly added with a wireless wifi internet function and carries an intelligent operating system with an independent UI interface, the carrying of the intelligent operating system in a miniature projector is common, and Android is the earliest intelligent operating system applied to the series of products at present. However, the conventional projector uses a closed operating system developed by a manufacturer, and the functions that can be realized are very limited, and the projector does not have the expansibility similar to an intelligent projector. .
The invention discloses a method for driving an LED light source of a projector in a published patent 201110303012.8, which comprises the following steps: when the MOS tube works at constant current, the sampling and holding circuit is controlled to collect the voltage drop between the drain electrode and the source electrode of the MOS tube; comparing the collected voltage drop between the drain electrode and the source electrode of the MOS tube with the preset constant-current minimum working voltage of the MOS tube, and adjusting the collected voltage drop between the drain electrode and the source electrode of the MOS tube according to the comparison result; and outputting the voltage according to the regulated MOS tube voltage drop. The invention further provides the projector LED light source driving circuit, which can improve the efficiency and prolong the service life of the projector LED light source driving circuit.
Disclosure of Invention
The invention aims to provide an intelligent projection driving method, which controls a driving board through a UART and outputs a digital signal to a driver;
another object of the present invention is to provide an intelligent projection driving method, which controls the state of a driving board through a UART (universal asynchronous Receiver Transmitter/Transmitter) communication port in 182XDT (embedded IC chip) of MSTAR (chening software development Shenzhen, Inc. foreign language name) series, and outputs a signal to facilitate driving imaging.
In order to achieve the above object, the technical solution of the present invention is as follows.
The invention provides an intelligent projection driving method, which comprises the following steps:
step 101: 182XDT system start-up;
step 102: finishing initialization of a UART port;
step 103: the system enters an operation mode;
step 104: initializing a driving board module through a UART port;
step 105: and the system end controls the driving board to enter an operating state through the UART port and outputs a digital signal to the driving board.
The method comprises the steps that a UART is used for controlling a driving board and outputting a digital signal to a driver; the driver board status is manipulated through the UART communication port in 182XDT of the MSTAR series while the signal is output to facilitate driving imaging.
Further, the method for controlling the driving board by the UART port includes:
step 201: completing initialization of the 182XDT chip;
step 202: the system end reads the state of the drive plate through the UART port and waits for the drive plate to enter a standby state;
step 203: judging whether entering a standby state, if not, returning to the step 202, and if entering the standby state, executing the step 204;
step 204: 182XDT system sends starting command to make the drive plate enter running state;
step 205: 182XDT system outputs digital signals to facilitate the display of driver board system;
step 206: the driving board converts the received digital signals into images to be displayed.
Further, the method for outputting the digital signal to the driving board is as follows:
step 301: completing initialization of the 182XDT chip;
step 302: the system end enables the system to enter a running state through the UART port, and enables the system to enter a state of waiting for system digital signals;
step 303: judging whether the port has signal output, if no signal output, returning to the step 302, and if signal output exists, executing the step 304;
step 304: the 182XDT system is configured with digital signals and then outputs the digital signals to a driving plate;
step 305: the driving board converts the received digital signals into images to be displayed.
The invention has the advantages that: compared with the prior art, the UART controller controls the driving board and outputs digital signals to the driver; the driver board status is manipulated through the UART communication port in 182XDT of the MSTAR series while the signal is output to facilitate driving imaging.
Drawings
Fig. 1 is a flow chart of the intelligent projection driving method of the present invention.
FIG. 2 is a flowchart illustrating a method for operating a driver board via a UART port according to the present invention.
Fig. 3 is a flowchart of a method of outputting a digital signal to a driving board according to the present invention.
Fig. 4 is a flowchart of an application example of the intelligent projection driving method of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present invention provides an intelligent projection driving method, including:
step 101: 182XDT system start-up;
step 102: finishing initialization of a UART port;
step 103: the system enters an operation mode;
step 104: initializing a driving board module through a UART port;
step 105: and the system end controls the driving board to enter an operating state through the UART port and outputs a digital signal to the driving board. The system controls the driving board through the UART and outputs a digital signal to the driving board; the driver board status is manipulated through the UART communication port in 182XDT of the MSTAR series while the signal is output to facilitate driving imaging.
Referring to fig. 2, in this embodiment, the method for the UART port to control the driver board includes:
step 201: completing initialization of the 182XDT chip;
step 202: the system end reads the state of the drive plate through the UART port and waits for the drive plate to enter a standby state;
step 203: judging whether entering a standby state, if not, returning to the step 202, and if entering the standby state, executing the step 204;
step 204: 182XDT system sends starting command to make the drive plate enter running state;
step 205: 182XDT system outputs digital signals to facilitate the display of driver board system;
step 206: the driving board converts the received digital signals into images to be displayed.
Referring to fig. 3, in the present embodiment, a method of outputting a digital signal to a driving board is:
step 301: completing initialization of the 182XDT chip;
step 302: the system end enables the system to enter a running state through the UART port, and enables the system to enter a state of waiting for system digital signals;
step 303: judging whether the port has signal output, if no signal output, returning to the step 302, and if signal output exists, executing the step 304;
step 304: the 182XDT system is configured with digital signals and then outputs the digital signals to a driving plate;
step 305: the driving board converts the received digital signals into images to be displayed.
The following examples are given for the details of the application:
referring to fig. 4, a flowchart of an application example of the intelligent projection driving method according to the present invention includes:
step 401: 182XDT system start-up;
step 402: finishing initialization of a UART port;
step 403: the system enters an operation mode;
step 404: initializing a driving board module through a UART port;
step 405: the system end reads the state of the drive plate through the UART port and waits for the drive plate to enter a standby state;
step 406: entering a standby state;
step 407: 182XDT system sends starting command to make the drive plate enter running state;
step 408: 182XDT system outputs digital signals to facilitate the display of driver board system;
step 409: the driving board converts the received digital signals into images to be displayed.
Step 410: the system end enters a state of waiting for system digital signals through a UART port;
step 411: a UART port outputs signals;
step 412: the 182XDT system is configured with digital signals and then outputs the digital signals to a driving plate;
step 413: the driving board converts the received digital signals into images to be displayed.
The invention has the advantages that: compared with the prior art, the UART controller controls the driving board and outputs digital signals to the driver; the driver board status is manipulated through the UART communication port in 182XDT of the MSTAR series while the signal is output to facilitate driving imaging.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. An intelligent projection driving method, characterized in that the method comprises:
step 101: 182XDT system start-up;
step 102: finishing initialization of a UART port;
step 103: the system enters an operation mode;
step 104: initializing a driving board module through a UART port;
step 105: and the system end controls the driving board to enter an operating state through the UART port and outputs a digital signal to the driving board.
2. The intelligent projection driving method as claimed in claim 1, wherein the method for the UART port to manipulate the driving board is as follows:
step 201: completing initialization of the 182XDT chip;
step 202: the system end reads the state of the drive plate through the UART port and waits for the drive plate to enter a standby state;
step 203: judging whether entering a standby state, if not, returning to the step 202, and if entering the standby state, executing the step 204;
step 204: 182XDT system sends starting command to make the drive plate enter running state;
step 205: 182XDT system outputs digital signals to facilitate the display of driver board system;
step 206: the driving board converts the received digital signals into images to be displayed.
3. The intelligent projection driving method as claimed in claim 1, wherein the method of outputting the digital signal to the driving board is:
step 301: completing initialization of the 182XDT chip;
step 302: the system end enables the system to enter a running state through the UART port, and enables the system to enter a state of waiting for system digital signals;
step 303: judging whether the port has signal output, if no signal output, returning to the step 302, and if signal output exists, executing the step 304;
step 304: the 182XDT system is configured with digital signals and then outputs the digital signals to a driving plate;
step 305: the driving board converts the received digital signals into images to be displayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911420855.9A CN111083459A (en) | 2019-12-31 | 2019-12-31 | Intelligent projection driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911420855.9A CN111083459A (en) | 2019-12-31 | 2019-12-31 | Intelligent projection driving method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111083459A true CN111083459A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911420855.9A Pending CN111083459A (en) | 2019-12-31 | 2019-12-31 | Intelligent projection driving method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2563865Y (en) * | 2002-08-02 | 2003-07-30 | 源兴科技股份有限公司 | Multifunctional projector |
| US20130207998A1 (en) * | 2012-02-09 | 2013-08-15 | Satoshi Aoki | Image display apparatus, image display method, and of image display program |
| CN108063929A (en) * | 2017-12-29 | 2018-05-22 | 花花猫显示科技有限公司 | It is a kind of to realize double screen with aobvious, the intelligent optical projection system of two separate display |
-
2019
- 2019-12-31 CN CN201911420855.9A patent/CN111083459A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2563865Y (en) * | 2002-08-02 | 2003-07-30 | 源兴科技股份有限公司 | Multifunctional projector |
| US20130207998A1 (en) * | 2012-02-09 | 2013-08-15 | Satoshi Aoki | Image display apparatus, image display method, and of image display program |
| CN108063929A (en) * | 2017-12-29 | 2018-05-22 | 花花猫显示科技有限公司 | It is a kind of to realize double screen with aobvious, the intelligent optical projection system of two separate display |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200428 |
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| RJ01 | Rejection of invention patent application after publication |