KR0177059B1 - Data error testing method in tv - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data error checking method of a TV receiver, wherein data such as screen brightness, contrast, color conversion, channel change, and volume control required for driving a TV receiver's power-on-time receiver are transferred from RAM to Y. pyrom. In this case, an error may occur in the process of saving data. Therefore, when the data is stored in YPIROM, it is immediately fetched and compared with the data stored in RAM to check whether an error has occurred. It is about.

Therefore, if an error occurs by using the method of the present invention, it is outputted as a subtitle on the screen so that the user or service personnel may indicate this as a hardware failure, or may occur during the input / output process of data accompanying the program stored in the ROM of the TV set. The effect of identifying whether the data is an error is provided.

Description

Determination method of abnormality of TV receiver by checking data error

1 is an illustration of a circuit configuration applied to the conventional and the method of the present invention.

2 is a flowchart for explaining the method of the present invention.

* Explanation of symbols for main parts of the drawings

10: microcomputer 12: microprocessor

13: RAM 14: ROM

15: Ypyrom 16: input port

17 output port 18 subtitle processing unit

20: TV receiver operation panel 30: Rerocon signal receiver

The present invention relates to a data error checking method of a TV receiver, and more particularly, to display data such as brightness, contrast, color conversion, channel change, and volume control required for driving the TV receiver. In this case, an error may occur in the process of saving data. Therefore, if the data is stored in IPIROM, it is immediately fetched and compared with the data stored in RAM. It relates to a method to check.

In general, the data input / output process of a conventional TV receiver is performed by the user of a TV receiver while operating a program through a key receiver of a remote control unit or a TV receiver operation panel installed in a TV receiver main body. Frequently, functions such as change and volume control are required to watch TV.

In the above process, the control signal transmitted from the remote control is received by the remote control signal receiver installed in the main body of the TV receiver, and then amplified and sent to the microcomputer. Then, the microprocessor of the microcomputer reads the signal and properly controls the received signal. The data of this signal is stored in the microcomputer's RAM so that the microprocessor can continue to perform the overall functions of the TV set until the power-off point through this data. At startup, the TV receiver stores data stored in RAM for use in performing the normal operations.

In addition, when the user wants to control the TV receiver function through the TV receiver operation panel installed in the main body of the TV receiver without using a remote controller, an operation signal input through the TV receiver operation panel is sent to the microcomputer and the microcomputer microprocessor Read and properly control the signal sent from the TV receiver's control panel so that the TV receiver performs the function corresponding to the received signal, and save the data of this signal in the microcomputer's RAM so that the microprocessor can power off the data. The data stored in RAM is stored in RAM to allow the TV receiver to continue to perform the overall functions of the TV set up to the point of view and to be used as data necessary for the TV receiver to perform normal operations in the future. It is chapter.

If an error occurs in the data to be stored in the process of storing the data stored in the RAM in the EPIROM during the operation of the TV receiver as described above, the data in which the error occurs is stored in the EPIROM and an error occurs when the TV receiver is restarted. Since the data is withdrawn from EPIROM and the TV receiver operates through the data in which this error occurs, normal operation of the TV receiver cannot be expected.

In addition, when the above situation occurs, it is not easy for the user or service personnel to determine whether the phenomenon is a hardware failure or an error in the data generated in the input / output process of the data accompanying the program stored in the ROM of the TV receiver. Did.

Accordingly, the present invention has been made to solve the above problems, by checking the error of the data that may occur during the input and output of the data involved in the operation of the TV receiver, and informs the user of this error by the user or service personnel, etc. Its purpose is to enable it to respond appropriately.

A specific method of the present invention for achieving the above object is the first step of turning on the power switch for the user to apply power to the TV set, the brightness of the screen stored in the RAM of the microcomputer while watching the TV receiver, If the data generated during the normal operation of the TV receiver such as contrast, color conversion, channel change, volume control, etc. is judged whether the data has changed due to the operation of the user's remote control or TV receiver control panel, the change does not occur. A second step of continuously determining whether a change of data has occurred; a third step of storing the changed data in YPIROM when the data stored in the RAM is changed by a user's operation in the second step; Reloads data stored in YPIROM in RAM2 The microprocessor determines whether the stored data is identical to the data stored in the Y. pyrom and performs a normal TV receiver operation process when the data match each other; and in the fifth step, the microprocessor uses the Y. pyrom. To repeat the comparison process according to the number of iterations set in the TV receiver driving program stored in the ROM in order to repeatedly check if the data does not coincide with each other. The fifth step and the number of iterations set in the program are determined by checking the current number of executions of the loop which causes the microprocessor to repeatedly execute the data comparison process described in the above step. As If not, the sixth step of retrieving the data stored in EPIROM and comparing the data with the data stored in RAM to the number of repetitions set in the program, and the loop for repeating the data comparison process If the microprocessor determines whether the number of executions has been performed as the number of times set in the program, and notifies the user that a data error has occurred in the process of inputting / outputting data from the microcomputer's RAM to EPIROM on the screen. A seventh process of outputting an error message subtitle on the screen and continuing to maintain the general TV receiver mode is achieved.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram showing an example of a circuit configuration applied to the conventional method and the present invention.

That is, as shown in FIG. 1, the device configuration for performing the method of the present invention includes a microprocessor 12 which is a core component of the microcomputer and is responsible for the operation, control, and the like of all data;

RAM 13, which temporarily stores data necessary for the normal operation of the TV receiver, among data input to the microcomputer and new data generated during the operation of the microprocessor, so that the microprocessor can retrieve it and operate the TV receiver normally. and,

A ROM 14 for storing a program necessary for driving the TV receiver;

When the TV receiver is powered off, data necessary for normal operation of the TV receiver such as brightness, contrast, color, channel, and volume of the screen at the time of power-off are stored. Ypyrom 15 for storing data so that the receiver can operate normally;

An input port 16 constituting an input terminal of data for receiving all data transmitted from the external device to the microcomputer and allowing the microprocessor to process the data;

An output port 17 constituting a final output end of data transmitted by the microcomputer to control an external device,

Subtitle processing unit 18 for outputting the content to be delivered to the user on the screen during the operation of the TV receiver,

A TV receiver operation panel 20 mounted on the body of the TV receiver so that the user can control the functions of the TV receiver without using a remote controller;

When the user wants to operate the TV receiver through the remote control is made of a remote control signal receiver 30 provided in the main body of the TV receiver to receive the operation signal from the remote control.

2 is a flow chart for explaining the method of the present invention, and the letter X, which is indicated during the process of constructing the present flow chart, shows the number of times the microprocessor executes a comparison process between data of Ipyrom and RAM data. In other words, another unexplained letter T means the number of data comparison procedures carried out to date.

The present invention will be described with reference to the above drawings.

In the first process, the user turns on a power switch (not shown in the drawing) to apply power to the TV receiver.

In the second process, the brightness of the screen stored in the RAM 13 of the microcomputer 10, the brightness, the contrast, the color conversion, the channel change, the volume control, etc. If the data does not change due to the operation of the user's remote control (not shown in the drawing) or operation of the TV receiver operation panel 20 (S2), if the change does not occur, whether or not the change of data continues. It is made to determine (S2).

In the third process, it is determined whether the change of the data stored in the RAM has occurred in the second process (S2), and the data stored in the RAM 13 is stored in the user's remote control or TV receiver operation panel 20. If it is changed by the operation, the changed data is stored in the Y pyrom 15 (S3).

In the fourth process, the data stored in the Y-pyrom 15 is reloaded (S4) in the second process, and the data stored in the RAM 13 is extracted from the RAM 13 and stored in the Y-pyrom 15. The microprocessor 12 determines whether the data match (S5), and when the data coincide with each other, the operation of the normal TV receiver is performed (S6).

In a fifth process, the data stored in the ypyrom 15 is reloaded (S4) in the second process, and the data stored in the RAM 13 and the data stored in the RAM 13 are extracted from the RAM 13 and stored in the ypyrom 15. The microprocessor 12 determines whether the data match (S5), and if the data do not coincide with each other, the comparison process set in the TV receiver driving program 13 stored in the ROM 14 is repeated. According to the number of iterations, the loops 57 and 58 are repeatedly executed.

In a sixth step, the microprocessor 12 checks the current number of times the loop is executed to repeatedly execute the data comparison process described in the above process, and repeatedly executes the data comparison process set in the program 13 stored in the ROM 14. If it is determined that the number of times is performed as many times (S8), and if the number of times of the data comparison process set in the program 13 is not repeated, the data stored in the ypyrom 15 is fetched and stored in the RAM 13. The process of comparing with the data is performed as many times as the number of times of repeating the data comparing process set in the program 13 (S8).

In the seventh step, the microprocessor 12 determines (S8) whether the number of times of execution of the loop for repeatedly executing the data comparison process is performed as the number of iterations set in the program 13 (S8), and the number of iterations set in the program 13. If so, the error message is output through the subtitles on the screen so that the user knows that a data error has occurred in the data input / output process from the RAM 13 of the microcomputer 10 to the Y. pyrom 15 on the screen. S9) and continue to maintain the general TV receiver mode is achieved.

In the operation of the method of the present invention made as described above with reference to the attached drawings 1 and 2 as follows.

The user changes the brightness, contrast, color conversion, and channel of the screen stored in the RAM 13 of the TV receiver MICOM 10 while the user turns on the power switch (S1) to watch the TV receiver. The microprocessor 12 determines whether data generated in the process of operating the TV receiver, such as volume control, has changed due to a user's remote control operation or operation of the TV receiver operation panel 20 (S2). If no change occurs, it is determined whether or not the change of data has occurred (S2). If the data stored in the RAM 13 is changed by the user's remote control operation or operation of the TV receiver operation panel 20, the changed data is determined. It is made to store (S3) in the ypyrom 15.

In addition, the data stored in the RAM 13 and the data stored in the RAM 13 and the data stored in the RAM 13 and withdrawn from the RAM 13 are reloaded (S2). The microprocessor 12 determines whether the data match (S5), and if the data coincide with each other, the operation of the normal TV receiver is performed. If the data do not coincide with each other, the microprocessor 12 stores the ROM 14 repeatedly to compare the data repeatedly. The comparison process is continuously executed (57, 58) according to the number of iterations of the comparison process set in the TV receiver driving program 13, and the microprocessor 12 repeatedly executes the data comparison process described in the above process. The current number of executions of the loop to be checked is checked (S8) to determine whether the number of iterations of the data comparison process set in the program 13 stored in the ROM 14 has been performed. After the determination (S8), if the number of repetitive executions set in the program 13 stored in the ROM 14 is not performed, the data stored in the EPI rom 15 is extracted and the data is transferred to the RAM 13. The process of comparing with the stored data is carried out (57, 58) until the number of times of data comparison process repeated execution set in the program 13 is reached.

In addition, when the microprocessor 12 determines whether the number of execution of the loop to repeatedly execute the comparison process of data is performed according to the number of iterations set in the program 13, the microprocessor 12 determines that the number of iterations is set in the program 13. An error message is output (59) through the subtitles on the screen so that the user knows that a data error has occurred in the data input / output process from the RAM 13 of the microcomputer 10 to the Y. pyrom 15, and then the general TV. Achieved by maintaining the receiver mode.

As described above, the present invention relates to a method for checking a data error of a TV receiver. In order to drive a TV receiver on power-on, data such as brightness, contrast, color conversion, channel change, and volume control of a TV receiver may be transferred from a RAM. An error may occur in the process of saving to Pyrom. Therefore, after saving the data in Y-Pyrom, it is retrieved again and compared with the data stored in RAM to check whether an error has occurred. By outputting the subtitles, the user or service personnel can check whether the phenomenon is a hardware failure or an error in the data generated in the input / output process of the data accompanying the program stored in the ROM of the TV receiver.

Claims (1)

The first process of turning on the power switch (S1) for the user to apply power to the TV receiver, and converting the brightness, contrast, and color of the screen stored in the RAM 13 of the microcomputer 10 while watching the TV receiver. , Channel change, volume control, etc. If the data generated in the process of the TV receiver is normally operated by the user's remote control or the operation of the TV receiver operation panel 20 is determined to change the data, and if the change does not occur, it is determined whether or not the data change continues ( S2) and if the data stored in the RAM 13 is changed by the user's operation in the second process, the changed data is stored in the Y pyrom 15, 15 (S3). In the third process and the second process, the data stored in the ypyrom 15 is reloaded (S4) to determine whether the data stored in the RAM 13 and the data stored in the ypyrom 15 (15) coincide with each other. In the microprocessor 12, if it is determined (S5) and the data coincide with each other, the fourth process of performing the normal TV receiver operation process (S6), and the microphone in the fifth process The processor 12 compares the data of the EPI rom 15 with the data of the RAM 13 (S5) and repeatedly checks the data when the data does not coincide with each other in the TV receiver driving program 13 stored in the ROM. A fifth step of executing a loop for repeatedly executing the comparison process according to the set number of repeated executions (S5), and a current execution of the loop for causing the microprocessor 12 to repeatedly execute the data comparison process described in the above process. The number of times is checked to determine whether or not the number of repetition executions set in the program 13 stored in the ROM has been performed (S8), and when not performed according to the number of repetition executions set in the program 13, the data stored in the EPI rom 15 is fetched. A sixth process of comparing the data with the data stored in the RAM 13 by the number of iterations set in the program 13 (57, 58). If the microprocessor 12 determines whether the number of loop executions to repeatedly execute the comparison process of data is performed as many times as set in the program 13, the microcomputer 10 determines whether the number of loop executions has been performed as many times as set in the program 13. In order to inform the user that a data error has occurred in the process of data input / output from RAM 13 to Y. pyrom 15, an error message subtitle is output on the screen (S9) and continue to maintain the general TV receiver mode. The data error checking method of the TV receiver, characterized in that the seventh step.