CN100346264C - Control circuit of optical recording media processing apparatus and method thereof - Google Patents

Control circuit of optical recording media processing apparatus and method thereof Download PDF

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Publication number
CN100346264C
CN100346264C CNB031236367A CN03123636A CN100346264C CN 100346264 C CN100346264 C CN 100346264C CN B031236367 A CNB031236367 A CN B031236367A CN 03123636 A CN03123636 A CN 03123636A CN 100346264 C CN100346264 C CN 100346264C
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energy supply
record medium
treating apparatus
optical record
signal
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CN1549083A (en
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吴建得
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Micro Star International Co Ltd
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Micro Star International Co Ltd
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Abstract

The present invention relates to a control circuit of an optical recording medium processing apparatus and a method thereof. The control circuit is used for a computer system which can be operated at least in an energy supply state and no energy supply state. The control circuit is used for providing a control signal, and accordingly, the optical recording medium processing apparatus can automatically answer the control signal and act correspondingly to the control signal no matter the computer system is in the energy supply sate or the no energy supply state.

Description

The control circuit of optical record medium treating apparatus and method thereof
Technical field
The present invention relates to a kind of control circuit, particularly a kind of PC or desktop computer of being applied to is with the control circuit of the treating apparatus of operating optical storage medium.
Background technology
The treating apparatus of optical storage media, just so-called CD-ROM drive, the product of multiple difference in functionality, speed and specification capacity has been developed in development so far, can approximately be divided into read-only type (Read OnlyMemory; ROM) with can write type (Writable/Rewritable; R/RW) two kinds; And can be divided into CD and DVD (Digital Versatile Disc) with capacity specifications.The CD-ROM drive that is provided to information products at present has CD-ROM, CD-R/RW (CD-RW), DVD-ROM, DVD-RAM (Random AccessMemory), DVD+RW, Combo, Slim Type, DVD-Multi etc.; And be applied to the consumer electronics aspect include DVD-Player, DVD-RW and game machine (PS2, XBOX) with CD-ROM drive etc.
PC is towards the trend development in the audio-visual recreation center of individual digital, therefore, also becomes better and better about the effect that represents of the treating apparatus of image, sound and the audio of vision, sense of hearing sense organ.If computer can be the same as head of a bed sound equipment, under the situation that computer need not be started shooting, also can broadcast listening, listen to the music, must drive the revolution of another ripple of computer.
Notion similar but inequality has seen patent gazette.May 1 nineteen ninety day for announcing for example, notification number is to have disclosed a kind of " portable computer with low-power CD player and player method thereof " in 432275 the Taiwan patent, wherein disclosed a kind of compact disc read-only memory subsystem that is used for computer equipment, it can allow the user operate CD-ROM drive and not need the major equipment of complete opening computer system.Another was announced on January 1st, 1991, notification number is that 470876 Taiwan patent has disclosed a kind of " start key of portability computer and low-power CD-ROM drive ", then in the function that improves above-mentioned patent, promptly by increasing a kind of switching mode, make the user when computer is in the state of power-off or time-out, can start specific application program.Above disclosed technological means is applied to laptop, or so-called portable computer, kneetop computer etc., and it is as main power supply source with battery.Therefore, under the situation that computer is not started shooting, the power supply that still can utilize simple circuit to obtain battery is originated as power supply.
Yet, the power supply supply of PC mainly converts AC power to direct supply by a power supply unit and uses with the supply computer system, if computer is closed, power supply unit just can't provide enough power supplys to use to computer system, and this has also caused if the user must the long booting computer time of cost just to listening to the music.
Summary of the invention
In view of above problem, fundamental purpose of the present invention is to provide a kind of control circuit of optical record medium treating apparatus, no matter make the user when computer is opened or closed, and all can operating optical recording medium treating apparatus.
Therefore, for achieving the above object, the control circuit of the disclosed optical record medium treating apparatus of the present invention, being installed in one can and not carry out in the computer system of computing under the energy supply state at the energy supply state at least, this computer system has one and converts alternating current the power supply device of direct current output to, and power supply device can not continue output DC under the state of energy supply in computer system.Control circuit is by an order generation unit, operates signal in order to produce one under the state of this computer system energy supply or not energy supply, and judges the energy supply state of this computer system; And by logical block reception operation signal, and produce a controlling signal corresponding to the operation signal.The principal character of circuit of the present invention is to have a power supply control chip, in order in this computer system not under the state of energy supply, provide these unit normal runnings required power supply, so no matter but optical record medium treating apparatus equal auto answer controlling signal and carry out action under energy supply state under the energy supply state or not corresponding to controlling signal.
The disclosed control circuit of the present invention also can be used in the operation of carrying out panel feature under the situation of CD-ROM drive panel crested except providing power supply output makes that each subsystem operates in the computer system under the state of not energy supply under the energy supply of computer main system and energy supply state not.
The disclosed control circuit of the present invention is a function of setting up a new panel button, when the operating system panel button, can send the action signal by this button, reporting system is sent the instruction of CD-ROM drive panel operation via the CD-ROM drive data transmission interface, finishes the panel operation of CD-ROM drive.Can make system manufacturer in the design of CD-ROM drive panel, provide multiselect more to purchase the selection of CD-ROM drive.
Below, conjunction with figs. is made most preferred embodiment the present invention is elaborated.
Description of drawings
Fig. 1 is applied to the system construction drawing of signal conditioning package for the control circuit of the disclosed optical record medium treating apparatus of the present invention;
Fig. 2 is the system block diagrams of the circuit of the disclosed control optical record medium of the present invention;
Fig. 3 is second preferred embodiment of the system block diagrams of the circuit of the disclosed control optical record medium of the present invention;
Fig. 4 is the method flow diagram of the disclosed control optical record medium of the present invention;
Fig. 5 A～Fig. 5 B discloses the process flow diagram of the preferred embodiment of the method for controlling optical record medium for the present invention.
Among the figure
100...................... computer main system
200...................... optical record medium treating apparatus
300...................... power supply device
400...................... display device
Step 500.................. receives an operation signal
Step 510.................. judges the energy supply state of computer
Step 520.................. sends controlling signal by BIOS
Step 530.................. sends controlling signal by the order generation unit
Step 540.................. exports controlling signal to the optical record medium treating apparatus by logical block
Step 550.................. optical record medium treating apparatus is to operate corresponding to controlling signal
Step 600.................. presses ESC Escape
Step 610.................. judges the energy supply state of computer
Step 620.................. produces one and interrupts signal
There is current state in the internal memory in step 630..................
Step 640.................. judges the state of carrier
Step 650.................. is sent by BIOS and exits command
Step 660.................. withdraws from load bearing seat
Step 670.................. sends commands in return by BIOS
Step 680.................. replys carrier
Step 690.................. is from the internal memory recoil state and continue present operation
Step 700.................. judges the state of carrier
Step 710.................. is sent by the order generation unit and exits command
Step 720.................. withdraws from carrier
Step 730.................. sends commands in return by the order generation unit
Step 740.................. replys carrier
Embodiment
Figure 1 shows that the control circuit with the disclosed optical record medium treating apparatus of the present invention is applied to the system construction drawing of signal conditioning package.Computer main system 100 roughly includes data processing equipment, central processing unit (CPU), random access memory (RAM) and various relevant integrated circuit, the data bus that has data transfer and communication in addition, for example pci bus, isa bus, IDE bus, SM bus or the like, in order to various subsystem in the computer main system 100, as the optical record medium treating apparatus 200 among Fig. 1, perhaps floppy drive, hard disk, CD writer (not shown) etc. are connected to each other together.Display device 400 is the signals in order to show that computer main system 100 is exported.
By a power supply device 300, convert the alternating current of 110 volts or 220 volts to direct current, operate required power supply with supply computer main system 100 and each subsystem.Computer main system 100 has and has energy supply state and energy supply state two states not at least.
At the energy supply state, power supply device 300 output DCs are to computer main system 100 and subsystem, at energy supply state not, power supply device 300 not output DC to computer main system 100, and only output DC is to subsystem, and for example the optical record medium treating apparatus 200.That is, when the computer main system was the energy supply state, main system was an open state, and started the operating system and carry out computing.When computer main system during for energy supply state not, main system is an off-mode, and operating system does not start.
Therefore, even be energy supply state not in computer main system 100, still can be by the control circuit control optical record medium treating apparatus 200 of the disclosed optical record medium treating apparatus of the present invention, and make computer really become the personal audio multimedia hub.
Enhance company model is the power supply unit of ENP-2920 and power supply device 300 for example can adopt, or FSP company model is the power supply unit of FSP250-60MS (PF), all can realize purpose of the present invention.
Then, please refer to Fig. 2, this figure is the system block diagrams that the present invention discloses the circuit of control optical record medium, includes a logical block 110, power supply control chip 120 and order generation unit 130.
Order generation unit 130 couples by a data bus and logical block 110, in order to an operation signal to be provided, for example withdraw from, play, advance, retreat etc., and receive, thereby no matter but make optical record medium treating apparatus equal auto answer operation signal and carry out action under energy supply state under the energy supply state or not corresponding to the operation signal by logical block 110.
Order generation unit 130 is made up of a microcontroller (Micro controller), can include several function keys, when the user press function key one of them the time, for example play, microcontroller will receive this Play Control signal, and produce an operation signal on the other side, by logical block 110 outputs, thereby make optical record medium in optical record medium treating apparatus 200 playing devices 200.
Logical block 110 is mainly a South Bridge chip.So-called South Bridge chip is after accepting the order of central processing unit (CPU), is responsible for the chip of linking up with periphery.The chipset that processor controls and other all peripheries are linked up on the motherboard is called logical block group (generally abbreviating chipset as), the logical block group generally is divided into two of south bridge and north bridges, be north bridge chips near of processor wherein, long-range then is South Bridge chip.South Bridge chip is responsible for the communication of central processing unit and interfacing equipment, has comprised IDE controller, the USB controller of PCI interface, hard disk and CD-ROM drive, is also controlled by South Bridge chip as floppy disk, keyboard, mouse in addition.
When power control unit 120 was in not the energy supply state in the computer main system, the direct current that 3 volts or 5 volts are provided was with supply logical block 110 and the required power supply of order generation unit 130 operations.When the computer main system was in not the energy supply state, power supply device 300 also provided one 12 volts direct current for 200 operations of optical record medium treating apparatus.
With reference to figure 3, this figure is second embodiment of system block diagrams that the present invention discloses the circuit of control optical record medium, is that with the embodiment difference of Fig. 2 second embodiment can be by the operation of telepilot control CD-ROM drive.As shown in the figure, when the user by the function key on next wireless signal generation unit 140, when for example playing, then wireless signal generation unit 140 will produce a corresponding wireless signal, and should transmit by corresponding wireless signal with infrared ray or radio-frequency (RF) signal, receive this wireless signal by signal receiving element 150, and export in the order generation unit 130.
Known CD drive advance and retreat patch and broadcast mode are the functions of operating advance and retreat sheet and broadcast by advance and retreat sheet before the panel and broadcast button.The manufacturer that produces CD-ROM drive at present is numerous, and the position of the panel button of each tame manufacturer is also different.In the time of in CD-ROM drive is installed on host computer system, if there is the place ahead cover plate to block the operation push-button of CD-ROM drive outside, the function that the user just can't operator panel buttons then.
Cover up or the design of hiding CD-ROM drive panel in, nothing more than the machine of restricted CD-ROM drive, expose, or install the panel button that a slide damper avoids blocking CD-ROM drive additional with the CD-ROM drive panel button.
Therefore, utilization the present invention disclosed circuit can be considered the whether crested of function button of CD-ROM drive, can directly control the optical record medium treating apparatus by the disclosed control circuit of the present invention.
With reference to figure 4, this figure is the method flow diagram that the present invention discloses the control optical record medium again.At first, receive an operation signal (step 500) by a microcontroller, then judge the energy supply state (step 510) of computer, send corresponding to the controlling signal of operating signal by BIOS or by the order generation unit with decision, if be the energy supply state at present, then send controlling signal (step 520), if energy supply state not then sends controlling signal (step 530) corresponding to the operation signal by microcontroller corresponding to the operation signal by BIOS.Then, export controlling signal to optical record medium treating apparatus (step 540), make the optical record medium treating apparatus operate (step 550) corresponding to controlling signal by logical block.
Then, the embodiment that presses ESC Escape (Eject Button) with the user illustrates above-mentioned flow process.Please refer to Fig. 5 A～5B, disclose the preferred embodiment of the method for control optical record medium for the present invention.
When the user presses ESC Escape (step 600), microcontroller will receive the operation signal of ESC Escape in the order generation unit 130, and the energy supply state (step 610) of judgement computer main system.When the computer main system is the energy supply state, when just power supply device 300 output DCs are to the computer main system, produce one by System Management Bus and interrupt signal (step 620), and be stored in (step 630) in the internal memory by the BIOS duty that the computer main system is present, then, the carrier in the judgement optical record medium treating apparatus 200 is for closing or open (step 640).If carrier is closed condition, then send one and exit command (step 660) by BIOS, by optical disc recording medium treating apparatus 200 carrier is withdrawed from (step 660).If carrier is opening, then send a commands in return (step 670) by BIOS, by optical disc recording medium treating apparatus 200 carrier is withdrawed from (step 680).At last, reply the state that stores and continue present operation (step 690) by internal memory again.
Therefore, if under the state of computer main system energy supply, user's desire is taken out and is positioned over the optical record medium of carrier or places an optical record medium in carrier, as long as then follow step 600, step 610, step 620, step 630, step 640, step 650 and step 660, the carrier of optical record medium treating apparatus promptly can withdraw from.Taking-up back or placement finish, and are following step 600, step 610, step 620, step 630, step 670 and step 680 will reply the carrier of optical record medium treating apparatus.
If computer main system 100 is energy supply state not, power supply device 300 output this moment one 12 volt direct currents to optical record medium treating apparatus 200, order generation unit 130 and logical block 110 then by power control unit 120 output DCs for operating required power supply.Then, the carrier in the judgement optical record medium treating apparatus 200 is for closing or open (step 700).If carrier is closed condition, then send one and exit command (step 710) by order generation unit 130, by optical disc recording medium treating apparatus 200 carrier is withdrawed from (step 720).If carrier is an opening, then send a commands in return (step 730) by order generation unit 130, by optical disc recording medium treating apparatus 200 carrier is replied (step 740).
Therefore, if in the computer main system not under the state of energy supply, user's desire is taken out and is positioned over the optical record medium of carrier or places an optical record medium in carrier, then follow step 600, step 610, step 700, step 710 and step 720, the carrier of optical record medium treating apparatus promptly can withdraw from.Taking-up back or placement finish, and press ESC Escape again, follow step 600, step 610, step 700, step 730 and step 740 will reply the carrier of optical record medium treating apparatus.
The control circuit and the method for the disclosed optical record medium treating apparatus of the present invention, cooperation one can provide the power supply device of at least two kinds of energy supply states, no matter make in the computer main system under the situation of energy supply or not energy supply, the user all can be by the disclosed control circuit control of the present invention optical record medium treating apparatus, and do not need software interface, or the control panel of optical record medium treating apparatus by operating system.
Though the present invention is illustrated by above-mentioned preferred embodiment; but be not in order to restriction the present invention; any those of ordinary skill in the art; can do suitable change and retouching without departing from the spirit and scope of the present invention, so the scope of the present invention is with being as the criterion that claim was limited.

Claims (7)

1. the control circuit of an optical record medium treating apparatus, it is installed in the computer system, this computer system has the power supply device of an AC-DC conversion, this computer system energy supply and not under the state of energy supply all output DC make this optical record medium treating apparatus the energy supply state and not the energy supply state carry out computing, the control circuit of described optical record medium treating apparatus comprises:
One order generation unit is operated signal in order to produce one under the state of this computer system energy supply or not energy supply, and is judged the energy supply state of this computer system;
One logical block, it couples with described order generation unit mutually by a System Management Bus, in order to receiving described operation signal, and produces a controlling signal corresponding to this operation signal;
One power supply control chip, it couples mutually with described order generation unit and described logical block respectively, in order to not under the state of energy supply, to provide the said units normal running required power supply in this computer system;
Wherein, though described optical record medium treating apparatus in equal described controlling signal of auto answer and carry out action under the energy supply state or under energy supply state not corresponding to this controlling signal.
2. the control circuit of optical record medium treating apparatus according to claim 1, wherein said logical block are a South Bridge chip.
3. the control circuit of optical record medium treating apparatus according to claim 1, wherein said order generation unit includes a microprocessor at least.
4. the control circuit of optical record medium treating apparatus according to claim 3, wherein said order generation unit also includes a signal receiving element, in order to receive wireless signal.
5. the control circuit of optical record medium treating apparatus according to claim 4, wherein said wireless signal is transmitted by a wireless signal generation unit.
6. the control method of an optical record medium treating apparatus, the method have been applied in the computer system, this computer system has the power supply device of an AC-DC conversion, this computer system energy supply and not under the state of energy supply all output DC make this optical record medium treating apparatus the energy supply state and not the energy supply state carry out computing, the control method of described optical record medium treating apparatus includes the following step:
Receive an operation signal with an order generation unit;
Judge the energy supply state of computer, send a controlling signal with decision by BIOS or by described order generation unit corresponding to this operation signal, if be the energy supply state at present, then send controlling signal corresponding to this operation signal by BIOS, if energy supply state not then sends controlling signal corresponding to this operation signal by described order generation unit; And
Export this controlling signal to the optical record medium treating apparatus by a logical block, make this controlling signal of optical record medium treating apparatus auto answer and carry out action corresponding to this controlling signal.
7. the control method of optical record medium treating apparatus according to claim 6, wherein in the step of the energy supply state of described judgement computer, when described computer system is the energy supply state, also includes one and produce the step of interrupting signal and storing present duty.
CNB031236367A 2003-05-08 2003-05-08 Control circuit of optical recording media processing apparatus and method thereof Expired - Lifetime CN100346264C (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5964878A (en) * 1996-08-14 1999-10-12 Samsung Electronics Co., Ltd. Method for controlling operation of optical disk drive in power saving mode
WO2003029945A1 (en) * 2001-10-02 2003-04-10 O2 Micro, Inc. Low power digital audio decoding/playing system for computing devices
CN1437197A (en) * 2002-02-09 2003-08-20 联想(北京)有限公司 CD playback controller combined with computer and its control method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5964878A (en) * 1996-08-14 1999-10-12 Samsung Electronics Co., Ltd. Method for controlling operation of optical disk drive in power saving mode
WO2003029945A1 (en) * 2001-10-02 2003-04-10 O2 Micro, Inc. Low power digital audio decoding/playing system for computing devices
CN1437197A (en) * 2002-02-09 2003-08-20 联想(北京)有限公司 CD playback controller combined with computer and its control method

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Assignee: MSI Computer (Shenzhen) Co.,Ltd.

Assignor: MICRO-STAR INTERNATIONAL CO.,LTD.

Contract fulfillment period: 2008.3.25 to 2016.3.25

Contract record no.: 2009990000088

Denomination of invention: Control circuit of optical recording media processing apparatus and method thereof

Granted publication date: 20071031

License type: Exclusive license

Record date: 20090216

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.3.25 TO 2016.3.25; CHANGE OF CONTRACT

Name of requester: WEIMENG ELECTRONIC ( KUNSHAN ) CO., LTD.

Effective date: 20090216

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Granted publication date: 20071031