TWI275950B - Method of processing system key instantaneously on embedded device - Google Patents

Abstract

The present invention relates to a method of processing system key instantaneously on embedded device. The method begins by building up a message queue processing path and a signal receiving path in an embedded device. Under a normal operation of the interface system of the embedded device, the signal receiving path is capable of sending a message to the message queue processing path when receiving a message from an input device. The message queue processing path then judges whether to send a specific message to the application program of the interface system in accordance with the received message. If the specific message is a real-time processing message, the real-time processing message will be forwarded to the application program. After that, the message queue processing path determines the interface object and the corresponding process according to the window layer order (window Z order) displayed on the screen of the embedded device, and then sends a system key message and the value of the key message to the application program. After receiving the system key message and its value, the application program will call a function to process the message according to the key value and shut itself off. Thus, the system key of the embedded facility can be processed instantaneously.

Description

1275950 ..... V. Description of the Invention (1) Technical Field of the Invention The present invention relates to a method for inserting a device, in particular, a multi-threaded message:: processing system key s Before the embedded device, its system key can't be processed immediately: Q: Effect = Let the user use the system key of the embedded device... The pair-portable hard drive and a security=card and (SD) Store media messages for instant processing. Heart [previous technology], press, in the information field, the rapid development of various technologies, embedded systems are the inevitable result of the development of embedded technology, embedded as a humanization, intelligent more and more people have received widespread attention, and already Widely used in all areas of social life, almost all electrical equipment, such as laptops, personal digital assistants (PDA), mobile computing devices, TV set-top boxes, digital TV, multimedia, digital cameras Home automation systems and mobile phones are all closely related to the embedded technology. The mourning system is mainly composed of embedded processor, related supporting hardware, embedded operating system and application software. It is a device π that can work independently. However, with the benefits of embedded devices, users The requirements for the function of the device to be accessed are also higher and higher. For example, in a mobile phone or a digital camera, a network player, a recording, a portable hard disk function, and the like are usually used in these embedded devices. A special system key (for example, menu) is added to handle the aforementioned functions, such as

Page 5 1275950, invention description (2) disk function 'When the user presses the corresponding system key on the embedded device, the corresponding function can be processed, and these require an interface system to provide support

However, in the current interface system, only the current display interface can handle these system key values, and then the corresponding functions can be called. Otherwise, the application privately receives the above message when it is not in the startup state, therefore, it needs to be used. These system keys can be processed by opening their corresponding processing interfaces, for example, in a main function menu (menu), when the fifth item of the function item is a function of processing the network player, if the user is currently The function interface that is opened is the calculator function in the personal digital assistant (pDA) function of item 2 of the function item. At this time, the user presses the system button for processing the dial-up network player, due to the current display. The function interface is a calculator function in the personal digital assistant function. Therefore, the calculator function does not handle the dialing function of the network player, so the user cannot immediately hear the pleasant music, only one layer by layer. Exit the calculator function menu, exit the personal digital assistant function menu, return to the main function menu, and then enter the fifth of its function items. Processing network Walkman function menu, such as the dagger can receive the network walkman Bofang system key 'for the purpose of network Bofang Walkman.

As can be seen from the above examples, the current practice obviously fails to meet the requirements of the system key for immediate processing, and the processing procedure is obviously cumbersome and time consuming, which brings great inconvenience to the user; therefore, the inventor is smelling This problem 'and in order to respond to the needs of the market at an early stage, actively develop a solution that can be proposed for the above situation, so as to effectively solve the problem

Page 6 1275950 V. INSTRUCTIONS (3) The problem of immediate processing of system keys makes it easier for users to use these embedded devices. SUMMARY OF THE INVENTION In view of the above-mentioned in-depth introduction of the prior art, it is obvious that it is easy for the user to process the corresponding functions when using the system keys on the embedded devices to process the corresponding functions. The system key value ' can also call its corresponding function. Otherwise, only after the other layers are exited from other function menus, and then enter the corresponding processing interface of the function item, I can process these system key values. This method causes the The shortcomings of the system key are not complicated, and the processing procedure is cumbersome and time consuming, which brings great inconvenience to the user. Therefore, the inventor has been engaged in the industry for many years of experience' after long-term efforts and experiments. Finally, the invention has been devised to "handle the system keys on the embedded device", in order to effectively solve the above problems by the ingenuity of the present invention. The purpose of the present invention is to provide a method for processing a system key on an embedded device in real time. The method has the following advantages: 〇〇1 adopts a multi-threaded message queue mechanism, which not only has a simple system architecture, but also effectively solves It is known that the system keys cannot be processed on the embedded device in real time. 2 This method will make the user more convenient when using the embedded device==, and the method can still store media information for a portable hard disk and a=all-digit memory card (SD). Make an instant

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f Facilitate the review and understanding of the technical means and operation of the present invention by the reviewing committee. The detailed description of the embodiment is as follows: [Comprehensive mode]. In order to improve the concurrent execution of the application in the system, the throughput of the system can be further improved, and a basic unit smaller than a process can be introduced in the modern operating system, and the basic unit can be operated independently, that is, the so-called line $ ( Threads ) 'This thread is the basic unit independently scheduled and dispatched by the system'. In addition to running the necessary resources, it does not own system resources. One thread I creates and revokes another thread. The threads are mutually constrained and have execution anger' and can Synchronization with another thread; multithreading refers to the ability of the operating system to support multiple threads in a single process. In the traditional process, only one thread is executing, called a single-threaded method, in a multi-threaded ring brother. In the middle of the private entity (un丨t) and the protected entity, the application itself is multi-threaded. According to the above principle, the present invention invents a "method for processing system keys on an embedded device in real time", which adopts a multi-threaded message-column mechanism, which establishes a message on an embedded device. a processing thread and a signal receiving thread, when the interface system of the embedded device is in a normal operation, the signal receiving thread sends a message to the message processing thread when receiving the signal of an input device , 嗣 'The message queue processing thread will judge whether it needs to be based on the received information.

1275950 V. Description of the invention (5) Sending a special message to the application of the interface system, when the special message is an instant processing information, the instant processing information is sent to the application 'and according to the mourning device The window stacking sequence displayed on the screen (ie, the so-called window z sequence) determines the interface object to be sent and the corresponding processing 're-sends a system key message and the key value of the system key to the application, the application After receiving the system key message and its key value, the program will call a corresponding function function to process according to the key value, and close itself. Therefore, the problem that the system keys cannot be processed on the embedded device in the prior art can be effectively solved, thereby making the user more convenient when using the system keys of the embedded device; in addition, the method of the present invention can still be used. Instantly process stored media messages such as a portable hard drive and a secure digital storage memory card (Secure D1 g 11a 1 'SD for short). In the present invention, 'the aforementioned window z sequence actually defines the stacking order between windows' is relative to the screen coordinates. Generally, all windows on the screen have a coordinate system, that is, the origin is in the upper left corner, and the X-axis level To the right, the coordinate system of the γ axis is vertically downward; the Z order is relative to an imaginary z axis, which is directed from the outside of the screen to the screen. The value of the window on the z-axis determines its Z-order. A window with a large Z-order value covers a window with a small z-sequence. Of course, in the program, the z-order is generally expressed as a linked list, and the operation of the z-order is actually the operation of the linked list. Furthermore, the aforementioned input devices respectively include a keyboard, a touchpad (T〇uchPanel), a turntable, a portable hard disk, and a secure digital storage memory card (SD).

1275950

Guang Bu: The aforementioned multi-thread inter-queue mechanism is a service for processing the right-hand kneading column, where each piece is processed by multiple threads (receiving and processing messages). In the system architecture of the present invention, as shown in the figure, a driver 1 for driving the input device, the signal receiving thread 11 and the message processing thread 12 are respectively included when the signal is received. When the thread ^ receives the driver 丨0 signal of the input device, it sends a message to the message processing thread 12, and the message is processed to "12 meeting; 5 ^ information, to determine whether a special message needs to be sent. (Instant processing information) to the interface system application, wherein the application interface system includes: Second, the function interface 1 3, a function interface 1 4 and a current function interface 丨 5, when the current function interface 1 5 for the first time When receiving the special message (instant processing information), 'the data storage process and system resource release will be performed, and the interface itself will be closed; secondly, the function interface 丨4, the application can establish a lot of function interfaces 1 4, the main The function interface 1 3 does not receive the special processing afl (instant processing information), but sends the system key message and the key value of the system key to the application. The application will call a corresponding function to process according to the key value, and will close itself. It can be clearly seen that the embedded device separately establishes the message processing thread; 2 and the signal receiving thread 11, and the interface system under normal operation, it will be manipulated according to the following steps, please refer to Figure 2: Step (201) First, the signal receiving thread 11 receives the input device The driver 1 signals and sends a message to the message processing line

1275950 —------------------------- V. Description of the invention (7) 稃12 ; Step (2 0 2 ) The message queues processing thread 1 2 According to the received information 'determine whether it is an instant processing information? If yes, proceed to the next step (2 0 3 ), if not, go to step (2 〇 7 ); step (2 0 3 ) send the instant processing information to the application system of the interface system, step (204) is based on The window stacking order displayed on the screen of the embedded device (ie: window Z sequence) determines whether the current display interface is the menu of the main function interface 13 (menu). If yes, the next step (2〇5) is continued. 'If it is other interface, then go to step (208); step (2 0 5) is to send a system key message and the key value of the system key to the application; step (206) the application receives the After the system key message and its key value, a corresponding function function is adjusted according to the key value, and the user is closed, and the process is terminated. The step (2 0 7) is handled in the normal information mode. Step (208) performs the processing of saving the data itself and the release of the system resources, and closes the interface itself, and returns to step (205). According to the above, it is only one of the best embodiments of the present invention, but the structural features of the present invention are not limited thereto, and any one skilled in the art can easily think about changes or Modifications shall be covered by the following patents in this case. 1275950_ BRIEF DESCRIPTION OF THE DRAWINGS [Simplified illustration of the drawings] Fig. 1 is a schematic diagram of the system architecture of the present invention; Fig. 2 is a schematic diagram of the flow of the present invention. [Main component symbol description] Input device driver...1 0 signal receiving thread...11 Message queue processing thread...1 2 Main function interface ...1 3 Function interface "·14 Current function interface"·15 —

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Claims (1)

Sixth, the scope of application for patents, 1. A method for processing system keys on an embedded device in real time, the ft system respectively establishes a message queue processing thread and a number receiving thread on an embedded device, when the interface of the embedded device When the system is in normal operation, it will be manipulated according to the following steps: · After receiving the signal of an input device, the signal receiving thread will send a message to the message processing thread; two & ΐ message伫The column processing thread determines, according to the received information, whether to send a special message to the application of the interface system; when the special message is processed, the instant message is sent to the application. And according to the window stacking sequence displayed on the screen of the embedded device, determining the interface object to be sent and the corresponding processing; sending a system key message and the key value of the system key to the application, ahai After receiving the system key message and its key value, the application will call a corresponding function function to process according to the key value, and close the original. body. * The method of processing the 糸 key on the embedded device as described in the first item of the scope of the patent, wherein the input device comprises a keyboard, a control panel, a turntable, a portable hard disk and a Secure digital storage memory 卞 ° The method of instant ΐ mi on an embedded device as described in item 1 of the patent application scope, wherein when the window stacking order displayed on the screen is a , ί, interface menu, That is, the system key message and the system key key j,,, s the application <, the application receives the system key message 1275950 6. After applying for the patent scope and its key value, it will call a corresponding function function to process according to the key value, and close itself. 4. The method for processing a system key on an embedded device as described in claim 1, wherein when the window stacking sequence displayed on the screen is another interface, the processing and system for saving the data itself is performed. The resource is released and its interface itself is closed. Page 14