CN104156122B - Wireless handwriting input method of LED dot matrix display screen - Google Patents

Abstract

The invention relates to an LED dot matrix display screen, in particular to a wireless handwriting input method of the LED dot matrix display screen; the structure of the method comprises a wireless handwriting pen, a power supply of the LED dot matrix display screen, a 16-line-by-15-column double-color patch LED dot matrix, a single chip microcomputer, a key switch and an infrared receiving head; the single chip microcomputer is respectively connected with the 16-row by 15-column double-color patch LED dot matrix, the key switch, the infrared receiving head and the power supply; the power supply is also respectively connected with the 16-row by 15-column double-color patch LED dot matrix, the key switch and the infrared receiving head; the handwriting pen is wirelessly connected with the LED dot matrix display screen, wireless handwriting input of the LED dot matrix display screen can be achieved, the wireless handwriting input of the dot matrix display screen is convenient and flexible, and the application range can be enlarged.

Description

Wireless handwriting input method of LED dot matrix display screen

Technical Field

The invention relates to an LED dot display screen, in particular to a wireless handwriting input method of an LED dot matrix display screen.

Background

At present, although the "one handwriting LED dot matrix module" disclosed in the chinese patent application CN102609147A and the "one handwriting pen for an LED dot matrix writing display screen" disclosed in the chinese patent application CN102360253A can wirelessly handwriting the LED dot matrix display screen, the above-mentioned patent application has a complicated circuit, has no reliable and efficient working process, and cannot design the wireless handwriting input software of the LED dot matrix display screen through reliable and efficient working steps, so that the manufacturing difficulty is increased.

Disclosure of Invention

The invention aims to solve the problems that at present, "a handwriting LED dot matrix module" disclosed in Chinese patent application CN102609147A and "a handwriting pen of an LED dot matrix writing display screen" disclosed in Chinese patent application CN102360253A can wirelessly write the LED dot matrix display screen, but the disclosed patent application has a complex circuit, does not have a reliable and efficient working process, and cannot design wireless handwriting input software of the LED dot matrix display screen through the reliable working process and efficient working steps, so that the manufacturing difficulty is increased, the patent application has a complex structure and high manufacturing conditions and cost, and a manufacturer can feel that the wireless handwriting input software of the LED dot matrix display screen is difficult, inefficient and inconvenient to design, thereby providing a wireless handwriting input method of the LED dot matrix display screen.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a wireless handwriting input method of an LED dot matrix display screen comprises a wireless handwriting pen, a power supply of the LED dot matrix display screen, a 16-line-by-15-column double-color patch LED dot matrix, a single chip microcomputer, a key switch and an infrared receiving head; the single chip microcomputer is respectively connected with the 16-row by 15-column double-color patch LED dot matrix, the key switch, the infrared receiving head and the power supply; the power supply is also respectively connected with the 16-row by 15-column double-color patch LED dot matrix, the key switch and the infrared receiving head; the handwriting pen is wirelessly connected with the LED dot matrix display screen; the wireless handwriting input method comprises the following steps:

step 1, initializing an LED dot matrix display screen;

step 2, operating the handwriting pen or operating the key switch to obtain appointed data, and skipping to step 8;

step 3, reading the handwritten data of the first screen;

step 4, the handwritten data of the first screen is sent to a corresponding subprogram to enable the LED dot matrix to display the handwritten data of the first screen;

step 5, reading the handwritten data of the Nth screen;

step 6, sending the handwritten data of the Nth screen to a corresponding subprogram to enable the LED dot matrix to display the handwritten data of the Nth screen;

7, jumping to the step 2;

step 8, calling a subprogram of the writing display screen;

9, displaying X-axis and Y-axis positioning cursors of the circular scanning by the LED dot matrix;

step 10, writing on the display screen by using a stylus;

step 11, the photosensitive transistor of the handwriting pen sends the received cursor signals of the X axis and the Y axis to the singlechip for processing;

step 12, the singlechip of the handwriting pen controls an infrared transmitting tube of the pen to transmit a handwriting track signal by utilizing a positioning cursor signal received by the photosensitive transistor;

step 13, receiving an infrared coding handwriting track signal emitted by a handwriting pen by an infrared receiving head of the LED dot matrix display screen;

step 14, calling corresponding subprograms by the LED dot matrix display screen to process, edit and store the handwritten data of the first screen to the Nth screen;

step 15, calling a handwriting completion preview subprogram by the LED dot matrix display screen to test the handwriting input effect;

and step 16, jumping to step 2.

The invention has the beneficial effects that:

the wireless handwriting input method of the LED dot matrix display screen has the advantages that the circuit is simple, the reliable and efficient working process is realized, the wireless handwriting input software of the LED dot matrix display screen can be designed through the reliable working process and the efficient working steps, the manufacturing difficulty can be reduced, the manufacturing condition and the cost are low, and a manufacturer can feel that the wireless handwriting input software for designing the LED dot matrix display screen by using the method is simple, efficient and convenient, and the cost can be saved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a flow chart of the wireless handwriting input method of the LED dot matrix display screen according to the present invention.

Detailed Description

For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.

As shown in fig. 1 and 2, the wireless handwriting input method for the LED dot matrix display screen includes a wireless handwriting pen 2, a power supply 1 of the LED dot matrix display screen, a 16-row by 15-column double-color patch LED dot matrix 3, a single chip microcomputer 4, a key switch 5, and an infrared receiving head 6; the single chip microcomputer 4 is respectively connected with the 16-row by 15-column double-color patch LED dot matrix 3, the key switch 5, the infrared receiving head 6 and the power supply 1; the power supply 1 is also respectively connected with the 16-row by 15-column double-color patch LED dot matrix 3, the key switch 5 and the infrared receiving head 6; the handwriting pen 2 is wirelessly connected with the LED dot matrix display screen; the wireless handwriting input method comprises the following steps:

step 1, initializing an LED dot matrix display screen;

step 2, operating the handwriting pen or operating the key switch to obtain appointed data, and skipping to step 8;

step 3, reading the handwritten data of the first screen;

step 4, the handwritten data of the first screen is sent to a corresponding subprogram to enable the LED dot matrix to display the handwritten data of the first screen;

step 5, reading the handwritten data of the Nth screen;

step 6, sending the handwritten data of the Nth screen to a corresponding subprogram to enable the LED dot matrix to display the handwritten data of the Nth screen;

7, jumping to the step 2;

step 8, calling a subprogram of the writing display screen;

9, displaying X-axis and Y-axis positioning cursors of the circular scanning by the LED dot matrix;

step 10, writing on the display screen by using a stylus;

step 11, the photosensitive transistor of the handwriting pen sends the received cursor signals of the X axis and the Y axis to the singlechip for processing;

step 12, the singlechip of the handwriting pen controls an infrared transmitting tube of the pen to transmit a handwriting track signal by utilizing a positioning cursor signal received by the photosensitive transistor;

step 13, receiving an infrared coding handwriting track signal emitted by a handwriting pen by an infrared receiving head of the LED dot matrix display screen;

step 14, calling corresponding subprograms by the LED dot matrix display screen to process, edit and store the handwritten data of the first screen to the Nth screen;

step 15, calling a handwriting completion preview subprogram by the LED dot matrix display screen to test the handwriting input effect;

and step 16, jumping to step 2.

The wireless handwriting input method of the dot matrix display screen has the advantages that the handwriting pen of the specific embodiment is in wireless connection with the LED dot matrix display screen, wireless handwriting input of the LED dot matrix display screen can be achieved, the wireless handwriting input method of the dot matrix display screen is convenient and flexible, and the application range can be enlarged.

The above description is only an embodiment of the invention, and various illustrations do not limit the essence of the invention, and a person skilled in the art can modify or change the embodiment described above after reading the description, and should be considered as falling within the protection scope of the invention.

Claims (1)

1. A wireless handwriting input method of an LED dot matrix display screen comprises a wireless handwriting pen, a power supply of the LED dot matrix display screen, a 16-line-by-15-column double-color patch LED dot matrix, a single chip microcomputer, a key switch and an infrared receiving head; the single chip microcomputer is respectively connected with the 16-row by 15-column double-color patch LED dot matrix, the key switch, the infrared receiving head and the power supply; the power supply is also respectively connected with the 16-row by 15-column double-color patch LED dot matrix, the key switch and the infrared receiving head; the handwriting pen is wirelessly connected with the LED dot matrix display screen; the wireless handwriting input method is characterized by comprising the following steps:

step 1, initializing an LED dot matrix display screen;

step 2, operating the handwriting pen or operating the key switch to obtain appointed data, and skipping to step 8;

step 3, reading the handwritten data of the first screen;

step 4, the handwritten data of the first screen is sent to a corresponding subprogram to enable the LED dot matrix to display the handwritten data of the first screen;

step 5, reading the handwritten data of the Nth screen;

step 6, sending the handwritten data of the Nth screen to a corresponding subprogram to enable the LED dot matrix to display the handwritten data of the Nth screen;

7, jumping to the step 2;

step 8, calling a subprogram of the writing display screen;

9, displaying X-axis and Y-axis positioning cursors of the circular scanning by the LED dot matrix;

step 10, writing on the display screen by using a stylus;

step 11, the photosensitive transistor of the handwriting pen sends the received cursor signals of the X axis and the Y axis to the singlechip for processing;

step 12, the singlechip of the handwriting pen controls an infrared transmitting tube of the pen to transmit a handwriting track signal by utilizing a positioning cursor signal received by the photosensitive transistor;

step 13, receiving an infrared coding handwriting track signal emitted by a handwriting pen by an infrared receiving head of the LED dot matrix display screen;

step 14, calling corresponding subprograms by the LED dot matrix display screen to process, edit and store the handwritten data of the first screen to the Nth screen;

step 15, calling a handwriting completion preview subprogram by the LED dot matrix display screen to test the handwriting input effect;

and step 16, jumping to step 2.

Images