CN1570838A - Method for instant music CD playing and portable computer applying said method - Google Patents
Method for instant music CD playing and portable computer applying said method Download PDFInfo
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- CN1570838A CN1570838A CN 03146451 CN03146451A CN1570838A CN 1570838 A CN1570838 A CN 1570838A CN 03146451 CN03146451 CN 03146451 CN 03146451 A CN03146451 A CN 03146451A CN 1570838 A CN1570838 A CN 1570838A
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- portable computer
- sound signal
- music
- program code
- predetermined key
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Abstract
This invention is a kind of instantly appeared music CD play method. It is applied to portable computer in the form of program code. It enables the CD dirver of portable computer to export the sound signal of music CD directly. This method comprises the following steps: (A) acquiring the power switch activating signal of portable computer; (B) acquiring the preset key trigger signal on keyboard of portable computer, among which, the preset key is used for indicating the instantly appeared playing of music CD; (C) the portable computer executes the BIOS program, so to determine that the portable computer is triggered by preset key to start; (D) if the value of step (C) is true, the portable computer executes the play program code that stored in BIOS, and enables the CD driver to export sound signal.
Description
Technical field
For example make the mode of playing back music CD of being used for for the portable computer of mobile computer, the known practice of widely knowing is to allow mobile computer carry out media play procedure (Window Media Player Program) on the Windows platform, yet, though this way is feasible, but only be words for this unitary demand of listoning music CD (Audio CD or Music CD), this kind way quite expends the resource of mobile computer, battery, Winchester disk drive, LCD or the like resource for example, it is all in meaningless consume.
Background technology
See also the known hardware structure figure that Fig. 1 portable computer adopts the hardware chip broadcast mode, the known technology of Fig. 1 is to utilize hardware chip 10, for example is O
2The AudioDJ chip that Micro company is provided is numbered the hardware chip 10 of OZ-16X as employing, and hardware chip 10 electric property for example are connected on the IDE bus for the South Bridge chip group of note type computing machine, and CD-ROM drive then is to be connected hardware chip.Use this hardware chip at mobile computer, though be the feasible practice, the manufacturing cost of mobile computer globality can be increased.
Summary of the invention
The inventor is because above-mentioned known technology shortcoming, actively improvement is to solve the shortcoming of known technology, and invent out a kind of above-mentioned known technology that is different from fully, be to implement with program code means, and no longer come the executive utility mode with the Windows platform, just can make portable computer play out the sound of music CD.
Fundamental purpose of the present invention provides a kind of can enforcement with program code means, and no longer comes the executive utility mode with the Windows platform, just can make portable computer play out the sound of music CD.
For reaching above-mentioned purpose of the present invention, the spy provides a kind of method of instant playing back music CD, it is to be implemented on portable computer with program code means, make the direct sound signal of outputting music CD of CD-ROM drive of portable computer, this method adopts the following step: (A) signal that is activated of the power switch of acquisition portable computer; (B) signal that is triggered of the predetermined key of keyboard of acquisition portable computer, wherein: predetermined key is used to indicate the carrying out of instant playing back music CD; (C) portable computer is carried out Basic Input or Output System (BIOS) (BIOS) to judge the portable computer activation of being started shooting by the triggering of predetermined key; (D) when step (C) is judged as very (true), portable computer is carried out the play program code that is stored in the BIOS, to make CD-ROM drive output sound signal.
Moreover, the invention provides a kind of portable computer, comprising: CD-ROM drive, it can be at the sound signal that receives instruction back output music CD placed within; One includes the keyboard of predetermined key, wherein: be the carrying out that is used to indicate instant playing back music CD after predetermined key is pressed; It comprises at least that to be used to judge portable computer be the program code of being started shooting by the triggering of predetermined key and activating BIOS, and play program code, and it is used for CD-ROM drive output sound signal; Central processing unit is used to carry out BIOS.
Description of drawings
Fig. 1 adopts the known hardware structure figure of hardware chip broadcast mode for portable computer.
Fig. 2 shows the circuit framework figure of the portable computer of implementing the inventive method.
Fig. 3 shows the process flow diagram of the inventive method.
Among the figure
10 hardware chips, 20 portable computers
30 music CDs, 40 methods
201 main line unit 201a central processing units
201b Basic Input or Output System (BIOS) 201c program code
201d play program code 203 CD-ROM drives
205 predetermined key, 207 sound signal treatment circuits
209 power switches, 211 embedded controllers
213 control knob unit
Embodiment
Be familiar with this technology personage and understand the object of the invention, feature and effect for making,, and cooperate appended accompanying drawing, the present invention is added explanation in detail, illustrate as the back now by following specific embodiment:
Fig. 2 shows the portable computer circuit framework figure that implements the inventive method.The main line unit 201 of the portable computer 20 of Fig. 2, its concrete example be as can being the motherboard for mobile computer, main line unit 201 for convenience of explanation for the purpose of, it only demonstrates central processing unit 201a and BIOS 201b.CD-ROM drive 203 mainly is to export the sound signal of music CD 30 placed within after receiving instruction, and CD-ROM drive 203 utilizes the IDE bus to be connected with main line unit 201 usually.The predetermined key 205 of keyboard mainly is to be used for after being pressed, and indication will be carried out the function of instant playing back music CD 30, and predetermined key 205 normally directly utilizes function key (Hotkey) on the keyboard of portable computer 20 as concrete means.Power switch 209 mainly is to be used to start shooting activation of portable formula computing machine 20, and it produces power supply and activates signal after power switch 209 is pressed, to drive the power circuit of portable computer 20.BIOS 201b comprises at least: one is used to judge portable computer 20 is the program code 201c that started shooting by the triggering of predetermined key 205 and activate, and play program code 201d, wherein: play program code 201d is used for CD-ROM drive 203 output sound signals.Central processing unit 201a is used to carry out BIOS 201b, especially executive routine code 201c and play program code 201d.
Fig. 3 shows the process flow diagram of the inventive method.The method 40 of instant playing back music CD of the present invention can be written as program code in concrete enforcement means, be implemented on program code means in the basic input-output system BIOS 201b of portable computer 20, carry out BIOS 201b relevant for program code 201c of the present invention by portable computer 20,201d, can allow portable computer 20 after power supply activates, play out the sound of music CD 30 immediately, and portable computer 20 of the present invention no longer adopts traditional approach to come executive utility with the Windows platform, just play-overs out the sound of music CD 30.
Step 401 is signals 209 that the power switch of acquisition portable computer 20 is unlocked, and comes normal operation to allow portable computer 20 obtain electric power.Step 403 is signals that the predetermined key 205 of the keyboard of acquisition portable computer 20 is triggered, please be simultaneously referring to the concrete enforcement means of Fig. 2 description of step 403, embedded controller 211 is used for capturing the signal that predetermined key 205 is triggered, read by central processing unit 201a again after this signal, it can be the function key (Hotkey) of the keyboard of portable computer 20 for the predetermined key 205 of step 403, or other button of keyboard also can, method 40 of the present invention promptly utilizes the existing button of keyboard as predetermined key 205, allows the user push portable computer 20 is made the broadcast indication of instant playing back music CD 30.Manipulating viewpoint, step 401 of the present invention and step 403, the user only needs pushing power switch 209 and predetermined key 205 switches, just comes playing back music CD 30 automatically by portable computer 20 afterwards.
Step 405 is that portable computer 20 is carried out BIOS 201b, to judge portable computer 20 activation of starting shooting by the triggering of predetermined key 205.Generally speaking, the signal of embedded controller 211 predetermined key that captures 205, embedded controller 211 can be stored in predefined port,input-output (Input/Output Port) with it, and portable computer 20 is carried out BIOS 201b, so that this port,input-output is read out, judge then whether the key set code that is read is the key set code of predetermined key 205, if when being true (true), represent that then the user requires portable computer 20 after start, carries out the function of instant playing back music CD 30 of the present invention immediately.
Step 407, when step 405 is judged as true time, portable computer 20 is carried out the play program code 201d that is stored in the BIOS201b, to make the sound signal of CD-ROM drive 203 outputting music CDs 30.The concrete means of implementation step 405 and step 407, it can carry out BIOS 201b by central processing unit 201a, whether with determining step 405 serves as true, step 405 be for genuine situation under, central processing unit 201a comes CD-ROM drive 203 is assigned instruction by the play program code 201d that carries out BIOS 201b.With mobile computer, CD-ROM drive 203 is normally connected by the IDE bus, in view of the above, the concrete implementation content of play program code 201d promptly is ATAPI (the Advanced Technology Attachment PacketInterface) instruction that is used to control CD-ROM drive 203 these sound signals of output for a group, and these ATAPI instruct needed memory headroom very little, can not cause the difficulty of storage area to BIOS 201b.
When step 405 was not judged as not (false), portable computer 20 entered startup self-detection (the POST-Power-On Self Test) process as usual start.
The inventive method 40 further comprises step 409, it is to make portable computer 20 enter standby (Standby) state, to allow portable computer 20 and the nextport hardware component NextPort that execution the present invention has nothing to do to enter power down mode, nextport hardware component NextPort such as pcmcia controller, Ethernet (Ethernet) controller for example, save the power consumption of portable computer 20 by this, prolong portable computer 20 more and carry out the time that the present invention comes playing back music CD 30.
Portable computer 20 of the present invention preferably possesses sound signal treatment circuit 207 is arranged, and wherein sound signal treatment circuit 207 is used for the sound signal of receiving step 407, and amplifies the output sound signal.With mobile computer, sound signal treatment circuit 207 can be to be the AC97 sound effect circuit, and the sound signal of CD-ROM drive 203 outputs is connected to this AC97 sound effect circuit with regard to direct electric property, in view of the above, via the amplification output of AC97 sound effect circuit to sound signal, the user just can be heard the sound of playing back music CD 30 by the loudspeaker of mobile computer again.
Generally speaking, portable computer 20 can possess itself has embedded controller 211 to be used for handling the signal that keyboard is exported, for example in the shown predetermined key 205 of Fig. 2, its signal is to see through embedded controller 211 processing to be resent to main line unit 201.In view of the above, embedded controller 211 can be used the present invention is done further contribution.Control knob unit 213 can further be arranged among the present invention, control knob unit 213 is connected with embedded controller 211 via the electric property connected mode of general input and output (GPIO-GeneralPurpose Input Output), by the broadcast mode of user's pressing operation control knob unit 213 with control music CD 30, for example next song (Next), last one first song (Previous), suspend (Pause), stop (Stop) and play (Play) or the like operation and control.Control for control knob unit 213 is carried out, and similarly can be achieved via the means of carrying out play program code 201d.
Moreover, portable computer 20 is in operating environment of the present invention following time, embedded controller 211 cooperates this operating environment, it can send and be used to control CD-ROM drive 203 CDs power supply/replacement agreement (CD_Power/Reset Gatting) signal, so that the power supply supply of CD-ROM drive 203 and sound signal treatment circuit 207 is controlled, make it possible to allow CD-ROM drive 203 and sound signal treatment circuit 207 under this operating environment obtain the power supply supply.Moreover, portable computer 20 is in operating environment of the present invention following time, main line unit 201 can send peripheral power supply controlling signal (Side_PWR) and peripheral replacement controlling signal (Side_RST), cooperates CD power supply/replacement agreement signal so that CD-ROM drive 203 is controlled.
Being familiar with present technique person must understand and can carry out multiple different modification to the present invention in spirit of the present invention and viewpoint.And the present invention is any modifications and changes in the viewpoint that contains by claim and equivalent thereof.
Claims (12)
1. the method for an instant playing back music CD, this method is implemented on a portable computer with program code means, makes the CD-ROM drive of this portable computer can directly export the sound signal of this music CD, and this method comprises the following steps:
(A) capture the signal that the power switch of this portable computer is activated, so that the electric power of this portable computer to be provided;
(B) capture the signal that the predetermined key of this portable computer keyboard is triggered, wherein: this predetermined key is used to indicate the carrying out of instant playing back music CD;
(C) this portable computer is carried out basic input-output system BIOS, is the activation of being started shooting by the triggering of this predetermined key to judge this portable computer;
(D) when step (C) is judged as very (true), this portable computer is carried out the play program code that is stored in this BIOS, exports this sound signal to make this CD-ROM drive.
2. according to the method for the described instant playing back music of claim 1 CD, wherein: this predetermined key is the function key (hotkey) of this keyboard.
3. according to the method for the described instant playing back music of claim 1 CD, wherein: this play program code is one group and is used to control this CD-ROM drive and exports the ATAPI of this sound signal (AdvancedTechnology Attachment Packet Interface) instruction.
4. according to the method for the described instant playing back music of claim 1 CD, further comprise the following steps:
(E) make this portable computer enter standby (Standby) state, the power consumption of saving this portable computer whereby.
5. according to the method for the described instant playing back music of claim 1 CD, wherein: this portable computer is a mobile computer.
6. portable computer comprises:
A CD-ROM drive, it can be at the sound signal that receives instruction back output music CD placed within;
A keyboard that includes a predetermined key, wherein: the carrying out that is used to indicate instant playing back music CD after this predetermined key is pressed;
One BIOS comprises at least:
One program code, being used to judge this portable computer is the activation of being started shooting by the triggering of this predetermined key; And
One play program code is to be used for this CD-ROM drive to export this sound signal;
One central processing unit is used to carry out this BIOS.
7. according to the described portable computer of claim 6, wherein: this predetermined key is the function key (Hotkey) for this keyboard.
8. according to the described portable computer of claim 6, wherein: this play program code is to be used to control this CD-ROM drive and to export the ATAPI of this sound signal (Advanced TechnologyAttachment Packet Interface) instruction for one group.
9. according to the described portable computer of claim 6, further comprise: an embedded controller is used to capture the signal that this predetermined key is triggered.
10. according to the described portable computer of claim 6, further comprise: a sound signal treatment circuit is used to receive this sound signal and amplifies this sound signal of output.
11. according to the described portable computer of claim 6, further comprise: a control knob unit is used to provide the operation control to this music CD.
12. according to the described portable computer of claim 6, further comprise: a program code is used to make this portable computer to enter standby (Standby) state, the power consumption of saving this portable computer whereby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03146451 CN1570838A (en) | 2003-07-22 | 2003-07-22 | Method for instant music CD playing and portable computer applying said method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03146451 CN1570838A (en) | 2003-07-22 | 2003-07-22 | Method for instant music CD playing and portable computer applying said method |
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| Publication Number | Publication Date |
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| CN1570838A true CN1570838A (en) | 2005-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03146451 Pending CN1570838A (en) | 2003-07-22 | 2003-07-22 | Method for instant music CD playing and portable computer applying said method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272454B (en) * | 2007-03-23 | 2011-01-12 | 和硕联合科技股份有限公司 | Fast image acquisition system |
-
2003
- 2003-07-22 CN CN 03146451 patent/CN1570838A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272454B (en) * | 2007-03-23 | 2011-01-12 | 和硕联合科技股份有限公司 | Fast image acquisition system |
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