CN1154043C - Method and system of playing-back CD data without starting operation system - Google Patents
Method and system of playing-back CD data without starting operation system Download PDFInfo
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- CN1154043C CN1154043C CNB001209213A CN00120921A CN1154043C CN 1154043 C CN1154043 C CN 1154043C CN B001209213 A CNB001209213 A CN B001209213A CN 00120921 A CN00120921 A CN 00120921A CN 1154043 C CN1154043 C CN 1154043C
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Abstract
The present invention relates to a method and system for playing back CD data without starting an operation system, which can establish an embedded playing system used for playing back CD data information before the division of the magnetic region of a CD, and is used for playing back the CD data without starting the operating system of a computer. In the present invention, after the computer finishes starting a power supply self-test (POST) program, the embedded playing system is started directly; after the driver of a CD player is started, unnecessary power supplies are shut down, and then the CD data information is played back; additionally, when a user wants to quit the embedded playing system, the computer operating system can be restarted, or the computer can be shut down directly.
Description
The relevant a kind of method and system of playing back CD data of the present invention is meant especially do not starting the operating system down that framework one embedded Play System before cutting apart the magnetic region is in order to start the laser disc playing device, to play the method and system of back CD data.
, the quick progress of hardware technology soft and the high development of information network along with computer, oneself marches toward that to propagate with lot of data information be the data message society of industry key character modern society, and the contact of the data message in the whole world is also day by day frequent, data message miscellaneous is produced, is transmitted with different looks, and storage medium miscellaneous also is developed gradually.For example, laser disc is a storage medium very convenient at present and widespread usage, not only because its memory capacity is very big, more because the also event of universalness day by day of the price of price and CD writers, so except CD audio, the VCD or the DVD laser disc of storage video-audio data also have widely used trend.
Basically, the data message of playing laser disc on computers outside CD-ROM device, VCD or DVD playback equipment (Player), also needs software supports such as driver except the corresponding playing device of needs, can finish by the data that read in the laser disc, and then carry out the operation of played data.Yet in computer, carry out the action of playing the laser disc data, all must be at computer operating system, such as carrying out in Microsoft's Window 95/98 systems such as (Microsoft Windows 95/98), therefore when the user wants to play back CD data in computer, just must wait computer and carry out tediously long boot program, such as carrying out power initiation and selftest (Power On Self Test in regular turn, POST) program, cut apart and startup (Partiti on and Boot) program, and after (comprising DOS and the Windows 95/98) supervisor that starts the operating system, can carry out the driver of laser disc playing device, for the image data of only wanting to watch VCD or DVD sheet, or the user of the CD that only wants to listen to the music, wait booting computer and be not only the thing that part is lost time.On the other hand, if only need carry out the laser disc playing device time, starting many unnecessary devices in computer, also is the thing of part waste power supply.In addition, for some non-computers used groups, it is huge and have in the operating system of user's interface of all kinds that it often gets lost in function, but still can't find the approach of carrying out the laser disc playing device.So if can after launch computer, directly broadcast the laser disc playing device, just can save time with power supply outside, more convenient non-computer uses group with laser disc playing devices such as use CD audio, VCD or DVD.
Fundamental purpose of the present invention provides a kind of not starting under the computer operating system, can play the method and system of back CD data.
Another object of the present invention provides and a kind ofly saves power supply, to play the method and system of back CD data.
The invention provides a kind of in the system of broadcast back CD data down that do not start the operating system, comprise computer system, laser disc playing device and display device, described computer system includes processor and storer, also include embedded broadcasting in the described computer system into system, this embedded Play System comprises at least: the run-length management module, with the processor coupling of computer system, in order to carry out the run-length management of laser disc playing device; The memory management module is with the processor and the storer coupling of computer system, in order to carry out the memory management of this laser disc playing device when playing back CD data; And playing device driving module, with this laser disc playing device, this processor, this storer coupling, in order to read this back CD data, so that in this laser disc playing device, play this back CD data.
Described run-length management module, memory management module and playing device drive module and user's interfare device coupling, in order to input instruction, to control the operation that this laser disc playing device is play this back CD data.
Described computer system comprises a memory storage, drives module in order to store this playing device.
After described playing device driving module was loaded on this memory storage, the power supply of this memory storage promptly was closed.
Described computer system comprises a basic input/output, in order to this computer system carried out initialization and to start the power supply self test program.
Described embedded Play System is to carry out the back startup in this initialization and this startup power supply self test program.
The present invention provides a kind of in addition and uses a computer system and a laser disc playing device in the method for broadcast back CD data down that do not start the operating system, and comprising:
Preset embedded broadcasting into system in this computer system, described embedded Play System comprises the run-length management module, with the processor coupling of computer system, in order to carry out the run-length management of laser disc playing device; The memory management module is with the processor and the storer coupling of computer system, in order to carry out the memory management of this laser disc playing device when playing back CD data; And playing device driving module, with this laser disc playing device, this processor, this storer coupling, in order to read this back CD data, so that in this laser disc playing device, play this back CD data;
After this computer system electrifying startup initialization, whether have the playing function button of laser disc playing device be pressed, if not, then carry out the start-up routine of computer operating system if detecting; If then carry out the following step;
Detect not existence in the described embedded Play System, if not, then show relevant information; If, this embedded Play System of then live startup;
Start the laser disc playing device by embedded Play System, read in the data in the laser disc and play.
The playing function key of described laser disc playing device is to be pressed after this computer system is carried out initialization and started the power supply self test program.Before playing back CD data, also include the step of closing computer system hard disc power supply.
Describedly start the laser disc playing device by embedded Play System and carry out data message and play, comprising:
The required system resource of configuration laser disc playing device; Be written into the driver of laser disc playing device;
Close the power supply of the device that when playing back CD data, need not use in the computer system; Play back CD data.
The required system resource of described laser disc playing device comprises required output/input interface of this laser disc playing device and interrupting channel.
The disclosed method and system of the present invention, be before hard disc is cut apart the magnetic region framework one in order to play embedded (Embedded) Play System of back CD data, to finish power initiation selftest (POST) program at computer after, provide a path with this embedded Play System of direct startup, and behind the driver that starts the laser disc playing device, the user then closes unnecessary power supply, so just can carry out the play operation of back CD data under the interface that driver provided.In addition, when the user desires to withdraw from embedded Play System, can restart computer operating system or directly close computer.
The disclosed embedded Play System of the present invention can use embedded Linux system to construct, so manufacturer of laser disc playing device or computer, just can be according to the source code of linux system with the required embedded Play System of framework, so that in method and system of the present invention, play the data message that is stored in the laser disc.
Describe the structure composition and the implementation method of Play System of the present invention below in detail with preferred embodiment and accompanying drawing:
Fig. 1 is for entering the overall operation process flow diagram of embedded Play System of the present invention when the computer utilization;
Fig. 2 is the framework calcspar of embedded Play System of the present invention;
Fig. 3 is the operational flowchart of embedded Play System of the present invention.
See also overview flow chart of the present invention shown in Figure 1.At first, when computer (step 102) behind power initiation, (Basic Input Output System BIOS) will carry out initialized action to the hardware of computer to the basic input/output of computer, such as in order to set up interrupt vector table and BIOS data area (step 104).Next, computer will be carried out and start power supply selftest (POST) program, in order to the computer hardware device is carried out the setting (step 106) of standard testing and hardware unit initial value.Subsequently, computer will check whether the playing function of laser disc playing device key be pressed (step 108) is arranged, if the user does not press function key, then carry out the start-up routine (step 110) of computer operating system, such as cutting apart and the start-up routine and the supervisor that starts the operating system.When the user presses the function key of playing the laser disc playing device, computer system will check whether embedded Play System exists (step 112).If when this embedded Play System does not exist, represent that then present computer system does not comprise embedded Play System or embedded Play System is damaged, so computer system can show that relevant information is to notify the user (step 114).When embedded Play System exists in the computer system, then computer system will be called out this embedded Play System, and start laser disc playing device (step 116) by this embedded Play System, be read in data and will be play (step 118) by laser disc more subsequently.
Above-mentioned function key is meant in start process, the user can be interrupted boot program, to play the inlet of back CD data, just like in start process, the user can be via the intended function key with the setting of carrying out CMOS or the situation that starts multi-boot pattern menu.And function key used in the present invention can be undefined function key in the start process (for example F3) or finish via Macintosh, for example uses Fn+F10 to start embedded Play System in notebook computer.On the other hand, in order to make non-computer use group can enter system provided by the present invention easily, display reminding picture between can be in due course for example shows the prompting of " pressing Fn+F10 to play-over VCD ", to make things convenient for its use when execution in step 108.In addition, the disclosed embedded Play System of the present invention can use built-in Linux (Embedded Linux) system or use C/C++ to construct to write required procedure code.Moreover, when the user desires to withdraw from embedded Play System, can restart computer operating system, for example resumes step 106, to start the power supply self test program or directly to close computer system.It should be noted, grasping those skilled in the art can spirit of the present invention, with the situation of foundation computer system own with the setting of carrying out function key, select the mode of constructing of embedded Play System or set the mode of operation that withdraws from behind the embedded Play System according to laser disc playing device manufacturer situation, yet above-mentioned change must be included among the claim scope of the present invention.
Next see also the architecture block diagram of embedded Play System provided by the present invention shown in Figure 2.In framework shown in Figure 2, mainly formed by user's interface program 202, embedded core module 204 and processor 206, storer 208, laser disc playing device 210 and display device 212.In addition, embedded core module 204 more comprises run-length management module 2042, memory management module 2044, playing device drives module 2046, it is respectively between user's interface, and processor 206, storer 208, between the laser disc playing device 210, in order to receive the instruction that the user is imported via user's interface program 202, and instruction is sent to processor 206, storer 208, laser disc playing device 210 hardware such as grade are handled, result is exported to display device 212 subsequently, for example LCD (LCD) or cathode ray tube (CRT) etc. show again.In fact, processor 206 and storer 208 all with embedded core module 204 in run-length management module 2042, memory management module 2044 and playing device drive module 2046 and be coupled, except making the laser disc playing device 210 can be from storer 208, outside the procedure code that obtains back CD data and playing device driving module 2046, processor 206 is the control and management of may command laser disc playing device 210 performed strokes more.
It should be noted, processor 206 can use the central processing unit (CPU) of computer system, and storer 208 can use the various storeies of computer system to carry out required operation, and laser disc playing device 210 then can be the playback equipment (Player) of CD-ROM device CD-ROM, VCD or DVD.Moreover, run-length management module 2042 comprises the foundation (Creating) of the stroke (Process) relevant with laser disc playing device 210 and removes communication (Inter Process Communication between (Destroying), stroke external I/O line, scheduling management (Scheduler) and the stroke, IPC) and some procedure codes relevant, multiplex (MUX) (Multitasking) environment in order on processor, to provide can carry out simultaneously for a plurality of strokes with the computer framework.2044 of memory management modules are responsible for giving stroke with memory allocation, and set up virtual memory space (Virtual addressingspace) for stroke, playing device drives the driver (D6Vice driver) that module 2046 then mainly comprises laser disc playing device 210.Can design according to circumstances as for 202 of user's interface programs, for example when the user when watching VCD, operation interface such as provide time-out, rewinding, preceding commentaries on classics or stop, the instruction that the user imported then is sent to embedded core module 204 and is handled.
It should be noted, when the utilization built-in Linux is constructed embedded core module 204, can use start_kernel formula (being positioned at init/main.c) to finish required.For example can revise source codes such as sched.c, fork.c, exit.c to form run-length management module 2042; Revise the source code of memory manager programs such as swap_state.c, vmscan.c, page_io.c, kmallo.c and page_alloc.c and can construct memory management module 2044.In addition, if the utilization built-in Linux is when constructing embedded Play System of the present invention, laser disc playing device 210 will be regarded as a block type device (Block device), because mode of its transmission data is to carry out in the mode that a block connects a block (Block-by-block); On the other hand, because Linux is derived by the Unix system, and each incident in Unix all can be handled as archives, therefore, can drive an archives economy management of framework module (in Fig. 2, showing) in the module 2046 at playing device, and the source code of modification exec.c, device.c and block_dev.c supervisor comes the framework playing device to drive module 2046.Moreover, use C/C++ also can construct each module shown in Figure 2 to write required procedure code, yet the mode with built-in Linux is comparatively convenient, reason is that present Linux source code all belongs to free open procedure code, just will write new procedure code again and use C/C++ to write procedure code, the required manpower that expends is more.
Next see also the operational flowchart of the described embedded Play System of the present invention of Fig. 3.At first, after computer system starts embedded Play System (step 302), embedded Play System will be by output/input interface that reads laser disc playing device 210 (I/Oport) and interrupting channel (InterruptR60uest, system resource (step 304) such as IRO), be written into the driver (step 306) of laser disc playing device 210 subsequently again, then close again and play the device that back CD data need not be used, the power supply (step 308) of hard disc for example is at last again by after the sense data in the laser disc and play (step 310).In built-in Linux, can finish the purpose of system resources such as reading output/input interface and IRQ via the request/free function that system provided easily, or inquire about the registration data information of I/O interface and utilization request_irq and free_irq formula by "/proc/ioports catalogue " and obtain and discharge IRQ.In addition, because hard disc is not starting the operating system and is only starting under the application of laser disc playing device, the support that can provide is little, therefore after can being loaded on storer 208 by laser disc playing device 210 drivers in being stored in hard disc, with the power-off of hard disc, to finish purpose of power saving.
On the other hand, the driver of disclosed embedded Play System of the present invention and laser disc playing device, can be stored in together hard disc specific cut section (for example: partition tables) or be stored in flash memory (Flash memory) or even be stored among the BIOS all can, and the personnel that are familiar with this technology can change according to the application of reality.
Comprehensive the above, disclosed embedded Play System of the present invention and method, can play back CD data under the computer operating system not starting, and can close the power supply of unnecessary device, in the time of with the saving power supply requirement, also finishing provides non-computer to use group to play-over the purpose of back CD data after starting computer.
Claims (11)
1, a kind of in the system of broadcast back CD data down that do not start the operating system, comprise computer system, laser disc playing device and display device, described computer system includes processor and storer, it is characterized in that: also include embedded broadcasting in the described computer system into system, this embedded Play System comprises at least: the run-length management module, with the processor coupling of computer system, in order to carry out the run-length management of laser disc playing device; The memory management module is with the processor and the storer coupling of computer system, in order to carry out the memory management of this laser disc playing device when playing back CD data; And playing device driving module, with this laser disc playing device, this processor, this storer coupling, in order to read this back CD data, so that in this laser disc playing device, play this back CD data.
2, the system as claimed in claim 1, it is characterized in that: described run-length management module, memory management module and playing device drive module and user's interfare device coupling, in order to input instruction, to control the operation that this laser disc playing device is play this back CD data.
3, the system as claimed in claim 1 is characterized in that: described computer system comprises a memory storage, drives module in order to store this playing device.
4, system as claimed in claim 3 is characterized in that: after described playing device driving module was loaded on this memory storage, the power supply of this memory storage promptly was closed.
5, the system as claimed in claim 1 is characterized in that: described computer system comprises a basic input/output, in order to this computer system carried out initialization and to start the power supply self test program.
6, system as claimed in claim 5 is characterized in that: described embedded Play System is to carry out the back startup in this initialization and this startup power supply self test program.
7, a kind of method of playing back CD data under not starting the operating system is used a computer system and a laser disc playing device, it is characterized in that comprising:
Preset embedded broadcasting into system in this computer system, described embedded Play System comprises the run-length management module, with the processor coupling of computer system, in order to carry out the run-length management of laser disc playing device; The memory management module is with the processor and the storer coupling of computer system, in order to carry out the memory management of this laser disc playing device when playing back CD data; And playing device driving module, with this laser disc playing device, this processor, this storer coupling, in order to read this back CD data, so that in this laser disc playing device, play this back CD data;
After this computer system electrifying startup initialization, whether have the playing function button of laser disc playing device be pressed, if not, then carry out the start-up routine of computer operating system if detecting; If then carry out the following step;
Detect not existence in the described embedded Play System, if not, then show relevant information; If, this embedded Play System of then live startup;
Start the laser disc playing device by embedded Play System, read in the data message in the laser disc and play.
8, method as claimed in claim 7 is characterized in that: the playing function key of described laser disc playing device is to be pressed after this computer system is carried out initialization and started the power supply self test program.
9, method as claimed in claim 7 is characterized in that: also include the step of closing computer system hard disc power supply before playing back CD data.
10, method as claimed in claim 7 is characterized in that: describedly start the laser disc playing device by embedded Play System and carry out data message and play, comprising:
The required system resource of configuration laser disc playing device;
Be written into the driver of laser disc playing device;
Close the power supply of the device that when playing back CD data, need not use in the computer system;
Play back CD data.
11, method as claimed in claim 10 is characterized in that: the required system resource of described laser disc playing device comprises required output/input interface of this laser disc playing device and interrupting channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001209213A CN1154043C (en) | 2000-08-01 | 2000-08-01 | Method and system of playing-back CD data without starting operation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001209213A CN1154043C (en) | 2000-08-01 | 2000-08-01 | Method and system of playing-back CD data without starting operation system |
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| Publication Number | Publication Date |
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| CN1336586A CN1336586A (en) | 2002-02-20 |
| CN1154043C true CN1154043C (en) | 2004-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB001209213A Expired - Fee Related CN1154043C (en) | 2000-08-01 | 2000-08-01 | Method and system of playing-back CD data without starting operation system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100371923C (en) * | 2003-08-29 | 2008-02-27 | 明基电通股份有限公司 | Computer system |
| JP2006301771A (en) * | 2005-04-18 | 2006-11-02 | Toshiba Corp | Information processor and operation control method |
| CN101272454B (en) * | 2007-03-23 | 2011-01-12 | 和硕联合科技股份有限公司 | Fast image acquisition system |
| TW200839569A (en) | 2007-03-23 | 2008-10-01 | Asustek Comp Inc | Quick imgae capture system |
| CN101448149B (en) * | 2007-11-26 | 2011-03-30 | 联想(北京)有限公司 | Computer and method for playing animations during startup process thereof |
| CN103220567A (en) * | 2013-03-21 | 2013-07-24 | 青岛海信信芯科技有限公司 | Method, system and television for playing television starting music |
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