CN101599287B - CD-ROM drive burning method - Google Patents
CD-ROM drive burning method Download PDFInfo
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- CN101599287B CN101599287B CN2008101087897A CN200810108789A CN101599287B CN 101599287 B CN101599287 B CN 101599287B CN 2008101087897 A CN2008101087897 A CN 2008101087897A CN 200810108789 A CN200810108789 A CN 200810108789A CN 101599287 B CN101599287 B CN 101599287B
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- impact damper
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Abstract
The invention relates to a CD-ROM drive burning method. The method comprises the following steps: firstly, receiving batch data needing to be burnt to a first buffer; burning the batch data to form a batch data block; reading the just burnt batch data block to a second buffer; verifying and checking defaults and copying the corresponding data of a default data block on the first buffer to a third buffer; burning the data burnt by the third buffer to a backup region as a backup when check reaches a preset saturation capacity; and burning the remained backup data to the backup region when the check is verified and the burning is finished so as to avoid burning errors.
Description
Technical field
The present invention relates to a kind of method of burning data, when relating in particular to CD drive burning CD,, carry out the method for correct data backup the burning data that checking has defective.
Background technology
Because the mark of CD is small intensive again, be subjected to very easily that dust, spot are infected with, destructions such as scratch, burning material flaw and undesired burning, influence writable disc.Writable CD provides mechanisms of defect management, and the correct data of defective locations can be backed up on CD separately.So that when reading, utilize Backup Data displacement defective data, read data of optical disk smoothly.
Please refer to Fig. 1, be the flow process of prior art CD drive method for burn-recording.When known CD drive is received the Host Command burning data at step P1, enter step P2, when being written into CD drive by CD, the corresponding data of being logined in the defect management table that has read is confirmed compact disc defect block address.Then receiving in step P3 CD drive needs the data of burning, and is temporarily stored in the main buffer of dynamic storage, and through after the coded modulation, direct burning forms block at the user data area of CD successively.At step P4, inspection be received in the main buffer data can burning at the defective data block of CD? if can not, then enter step P8, if the defective data block can occur, then enter step P5 with the corresponding data of defective data block, be copied in the inferior impact damper of dynamic storage in the main buffer reception.
Enter step P6 then, whether have the data of checking time impact damper arrived scheduled volume? if no show scheduled volume, then enter step P8, if arrived scheduled volume, then enter step P7, main buffer stops to receive, burning data is to the user data area of CD, data with inferior impact damper, burning is at the backup area of CD, form and change block, and with the address login of defective data block and corresponding replacing block thereof in defect management table, so that read CD afterwards, as the backup of user data area defective data block.Entering step P8 at last, are whether the burning of inspection data finished? if do not finish, then get back to step P3 and continue to receive data burning, if finished burning, then enter step P9 and finish the burning process.
Yet, the well-known optical disk drives method for burn-recording must be by the corresponding data of defect management table login, confirm the flaw block address of user data area, the corresponding data of main buffer are appearred in flaw block, copy to time impact damper preparation in advance and back up as burning.But whether correct the block that the well-known optical disk drives method for burn-recording is not finished firm burning verify burning immediately.When reading CD, in case find the burning mistake, the corresponding data of main buffer has suffered that the burning data that receives successively covers and disappears afterwards, can't the burning copy backup, need burning again separately, and not only lose time, also waste CD.In addition, in burning, need through part subsystem efficient, will the corresponding data of the main buffer of flaw block occur, be copied to time impact damper preparation backup, also can influence the whole burning efficient of CD drive.Therefore, the known optical disc defective data backup method still has problem to need to be resolved hurrily on backup area burning order.
Summary of the invention
Purpose of the present invention is providing a kind of CD drive method for burn-recording, by in dynamic storage, arranging three impact dampers, respectively for receive burning data in batches, reading the block of firm burning verifies, and duplicate backup data, allow the data in the burning obtain immediately to confirm, to avoid the burning mistake.
Another object of the present invention is providing a kind of CD drive method for burn-recording, utilize in advance the defective data block is logined in defect management table, refer again to login defect management table duplicate backup data behind the data burning, make CD drive burning efficient maintain optimum condition.
Another object of the present invention is providing a kind of CD drive method for burn-recording, utilizes the backup address of allocating the defective data block in advance, backup is carried out smoothly, to guarantee complete burning.
In order to reach the purpose of aforementioned invention, CD drive method for burn-recording of the present invention at first receives a collection of data to the first impact damper that needs burning; This batch data of burning forms a collection of block; Read this batch data block to the second impact damper that firm burning is finished; Verify the inspection defective, the corresponding data of defective data block at first impact damper is copied in the 3rd impact damper; Inspection reaches predetermined saturating capacity, with the data burning of the 3rd impact damper burning to backup area as backup; Inspection has been verified and has been finished, and reexamines burning and finishes, and the Backup Data that remains is burned onto backup area, reaches and avoids the burning mistake.
Another CD drive method for burn-recording of the present invention, it is temporary to first impact damper at first to receive the data that need burning, receives scheduled volume up to first impact damper; Suspending reception needs the data of burning, and the data burning of first impact damper is formed corresponding a collection of block at user data area; It is temporary to second impact damper to read this batch data block that firm burning finishes; Verify, to check the defective of block in this batch; If the discovery defective is then distributed the backup location of this defective data block at backup area, and with the corresponding address of this defective data block and backup location thereof, login is in defect management table; The block of checking second impact damper verified and finished, and with reference to this defect management table, the defective data block of this batch in the checking in the corresponding correct data of first impact damper, is copied to the 3rd impact damper; Check that the 3rd impact damper has reached predetermined saturating capacity,, data burning to the backup area of the 3rd impact damper burning is distributed backup location with reference to this defect management table; The data that inspection needs burning burning are finished, and with reference to defect management table, the Backup Data that the 3rd impact damper is remained is burned onto backup area and distributes backup location; To reach complete burning.
Description of drawings
Fig. 1 is the process flow diagram of prior art CD drive method for burn-recording.
Fig. 2 is the synoptic diagram of the CD drive burning process of first embodiment of the invention.
Fig. 3 is the process flow diagram of the CD drive method for burn-recording of first embodiment of the invention.
Fig. 4 is the process flow diagram of second embodiment of the invention CD drive method for burn-recording.
The main element symbol description
1 CD
2 Lead-In Areas
3 backups, 1 district
4 user data areas
5 backups, 2 districts
6 leading-out zones
7 defect management table
8 control modules
9 dynamic storagies
10 first impact dampers
11 second impact dampers
12 the 3rd impact dampers
13 read heads
Embodiment
Relevant the present invention is for reaching above-mentioned purpose, technological means that is adopted and effect thereof, and example preferred embodiment now, and conjunction with figs. describes as follows.
Please refer to Fig. 2, be first embodiment of the invention CD drive burning process.The present invention utilizes writable CD 1, and the data-track of this CD 1 to the outer ring, is divided into Lead-In Area 2, backup 1 district 3, user data area 4, backup 2 districts 5 and leading-out zone 6 by inner ring in regular turn.Lead-In Area 2 comprises defect management table 7 in order to store the catalogue and the management control data of CD 1, and the address of block is changed in flaw block and corresponding backup thereof in the login CD 1.Then burning is in backup area for the replacing block of backup, and backup area generally comprises backup 1 district 3 and backs up 2 districts 5.4 zones of wanting storage data in order to the burning user of user data area.Leading-out zone 6 then indicates CD 1 last record endpoint information.
When CD 1 is written into the CD drive of burning of the present invention, CD drive in order to receiving the Host Command burning data and to need the data of burning, and will need the data of burning to be temporarily stored in the dynamic storage 9 by control module 8.Dynamic storage 9 assigned buffers comprise first impact damper 10, second impact damper 11 and the 3rd impact damper 12, the first impact dampers 10 and need the data of burning in order to temporary this.First impact damper 10 is temporary to scheduled volume, form a collection of burning data that needs, time-out receives and is taken out successively by control module 8, after the encoded modulation, 13 burnings of control read head form corresponding a collection of block 1,2,3,4 and 5 in user data area 4.
After this batch data burning was finished, control module 8 was controlled read head 13 again and is read this intact batch data block 1,2,3,4 and 5 of firm burning, is temporarily stored in second impact damper 11 and verifies.In a single day find defectiveness in this batch data block during checking, defective data block 2,3 and 5 as figure bend sign, promptly one by one with defective data block 2,3 and the 5 reception burning datas in first impact damper, 10 correspondences, be copied in regular turn in the 3rd impact damper 12, preparation is as backup.Jump onto the tracks, lock the shift servo times such as rail back and forth for reducing read head 13, the Backup Data that wouldn't mobile immediately read head 13 duplicates to backup area burning the 3rd impact damper 12.
Continue the data that reception and burning main frame next group need burning again, be temporarily stored in first impact damper 10, second impact damper 11.And continue the defective data block that checking occurs again, the preparation Backup Data of correspondence is copied to the 3rd impact damper 12.Arrive predetermined saturating capacity up to the 3rd impact damper 12 Backup Datas, or when having finished the burning main frame and having needed the data of burning, move the Backup Data that read head 13 duplicates to the 3rd impact damper 12 of backup area burning together by control module 8 again, form and change block a, b and c.And, login to defect management table 7 with defective data block 2,3,5 and the corresponding address of changing block a, b, c thereof.Burning as unfinished continues the data that checking, reception and burning main frame next group need burning again, then finishes the burning process as finishing burning.Allow a collection of data that need burning, under three temporary impact dampers runnings, reception, burning in turn, read, verify, preparation and burning backup, make burning data obtain immediately to confirm and backup, to read CD smoothly.
As shown in Figure 3, be the flow process of the CD drive method for burn-recording of first embodiment of the invention.The present invention under three temporary impact dampers runnings, allow burning data obtain immediately to confirm and the step-by-step procedures that back up as follows: work as CD at step R1 and be written into CD drive, CD drive at first receives the order of main frame burning data; Enter the data that step R2 receives needs burning, temporary first impact damper to dynamic storage, arrive saturated reception scheduled volume or arrived the terminal point that needs burning data up to first impact damper, forms a collection of need burning data after, suspend the data that reception needs burning; Entering step R3 needs the data of burning to take out successively this batch, and after the encoded modulation, burning forms corresponding a collection of block in user data area.Enter step R4 and read this batch data block that firm burning is finished, temporary to second impact damper.Enter step R5 again, an a pair of block that reads is verified.Whether correct at step R6 by the checking reading of data, do you judge in this block and defective occurs? if reading of data is correct, represent that defective does not appear in this block, then enter step R10, if reading of data is incorrect, represent that defective appears in this block, be the block of defective, then enter step R7, the defective data block is received burning data in the correspondence of first impact damper, be copied in the 3rd impact damper, preparation is as backup.
Then, enter step R8, check whether the 3rd impact damper has reached predetermined saturating capacity? if arrived predetermined saturating capacity, then enter step R9, the 3rd impact damper burning preparation Backup Data is burned onto backup area as backup, and defect management table login corresponding defective with the backup block data, if no show scheduled volume, then for reducing the servo time that moves, wouldn't arrive backup area burning backup, enter step R 10, whether has the block of checking second impact damper verified and has been finished? if checking is not finished, then get back to step R5 and continue checking, finish if verified, then enter step R11, reexamine data that main frame needs burning whether burning finish? if do not finish burning, then get back to step R2 and continue to receive the data that next group needs burning, if burning is finished, then enter step R12, the burning preparation Backup Data that the 3rd impact damper is remained is burned onto backup area as backup, and at the corresponding data of defect management table login defective with the backup block.Enter step R13 at last, the end data burning.
Therefore, the CD drive method for burn-recording of first embodiment of the invention, can be by in the dynamic storage of CD drive, arranging three temporary impact dampers, first impact damper is used for receiving burning data in batches, second impact damper is used to read firm burning data block and verifies, the 3rd impact damper is then with temporary backed up data, allow each impact damper not disturb temporal data mutually,, reach the purpose of avoiding the burning mistake so that the data of burning obtain affirmation immediately.
As shown in Figure 4, be the flow process of the CD drive method for burn-recording of second embodiment of the invention.Because first embodiment of the invention is when checking, in case find the defective data block, promptly suspend checking, and copy to the preparation of the 3rd impact damper as backup to the correct data of the first impact damper search correspondence, and return impact damper and continue checking, waste search time back and forth.In addition, accumulate the 3rd impact damper and back up to the saturated scheduled volume mode of burning backup together again, also may allow the backup area of insufficient space can't finish the burning backup, CD that especially can a burning.Therefore, second embodiment of the invention utilizes three impact dampers to carry out CD drive burning process, though it is identical with first embodiment basically, but when difference is in the present embodiment checking, to the block of defective occurring, distribute backup location and login in defect management table at backup area in advance, finish again copy backup to the three impact dampers together to checking, to reduce back and forth process time and to guarantee backup space.
The detailed step of the CD drive method for burn-recording of second embodiment of the invention, the step R5 since first embodiment is described as follows difference: at first at step S1, the block that reads in second impact damper is verified one by one.Whether enter step S2 correct by the checking reading of data, do you judge in this block and defective occurs? if reading of data is correct, represent that defective does not appear in this block, then enter step S5, if reading of data is incorrect, represent that then defective appears in this block, block for defective, then enter step S3, the backup location that distributes this defective data block at backup area, enter step S4 again, only apace with the corresponding address of this defective data block and backup location thereof, login is in defect management table.
Then enter step S5, whether has the block of checking second impact damper verified and has been finished? if checking is not finished, then get back to step S1 and continue checking, finish if verified, then enter step R6, with reference to defect management table, search in regular turn and with this batch defective data block in the corresponding correct data of first impact damper, be copied to the 3rd impact damper.Then, enter step S7, check whether the 3rd impact damper has reached saturated scheduled volume.If arrived scheduled volume, then enter step S8, stop the data in burning first impact damper, with the 3rd impact damper burning preparation Backup Data, according to the defect management table distribution locations, Backup Data is burnt to backup area as backup, if the no show scheduled volume, then meet identical first embodiment of the invention step R11 again and check the main frame step finished of burning, continue to carry out.
Therefore, the CD drive method for burn-recording of second embodiment of the invention, allocate the backup location of defective data block when utilizing checking in advance for the defective data block, and the login corresponding address is in defect management table, allow and refer again to login defect management table duplicate backup data to the three impact dampers behind a collection of data burning, not only reach the minimizing process time, make CD drive burning efficient maintain the purpose of optimum condition, and can reach and back up the purpose of avoiding the burning mistake smoothly.
More than describe only in order to convenient illustrations the preferred embodiments of the present invention, scope of the present invention is not limited to this each preferred embodiment, and all any changes of being done according to the present invention not breaking away under the mental condition of the present invention, all belong to the scope of the present patent application patent.
Claims (12)
1. CD drive method for burn-recording, this CD drive is utilized three impact dampers, the defective data block that is produced in the user data area with this CD, backup is in the backup area of this CD, and this method for burn-recording comprises step:
(1) receiving a collection of data of burning that need keeps in to first impact damper;
(2) this batch data burning in first impact damper is formed corresponding a collection of block at user data area;
(3) it is temporary to second impact damper to read this batch data block that firm burning finishes;
(4) verify have zero defect to exist, if the defective of discovery then enters step (8) to check in this batch data block; If the discovery defective then enters step (5);
(5) corresponding data of this block of defective will occur, be copied in the 3rd impact damper at first impact damper;
(6) check whether the 3rd impact damper has reached predetermined saturating capacity, if arrived predetermined saturating capacity, then enters step (7), if do not reach predetermined saturating capacity, then enters step (8);
(7) the 3rd impact damper is temporary data burning is to backup area, as backup;
(8) whether this batch data block of checking second impact damper has been verified and has been finished, if checking is not finished, then gets back to step (4) and continues checking, if verified and finish, then enters step (9) again;
(9) check need burning data whether burning finish, if burning is not finished, then get back to step (1), if burning is finished, then enter step (10);
(10) Backup Data that the 3rd impact damper is remained is burned onto backup area;
(11) finish the burning process.
2. CD drive method for burn-recording as claimed in claim 1, wherein in this step (1), first impact damper receives the data that need burning and arrives the reception scheduled volume, forms a collection of data that need burning.
3. CD drive method for burn-recording as claimed in claim 2, wherein this reception scheduled volume is the terminal point that needs burning data that arrives the saturating capacity of first impact damper or arrived reception.
4. CD drive method for burn-recording as claimed in claim 2, wherein this first impact damper arrives and receives scheduled volume, promptly suspends to receive the data that need burning.
5. CD drive method for burn-recording as claimed in claim 1, wherein this step (2) is to suspend the data that first impact damper receives needs burning, burning data more earlier.
6. CD drive method for burn-recording as claimed in claim 1, wherein this step (4) judges whether occur defective in this block by the correctness of reading of data.
7. CD drive method for burn-recording as claimed in claim 1 is wherein after this step (7) backup burning and in the defect management table login defective data block of CD and the corresponding address of its backup.
8. CD drive method for burn-recording, this CD drive is utilized three impact dampers, the defective data block that is produced in the user data area with this CD, backup is in the backup area of this CD, and this method for burn-recording comprises step:
(1) receives the data that need burning and keep in, up to receiving scheduled volume to first impact damper;
(2) suspend the data that reception needs burning, and the data burning of first impact damper is formed corresponding a collection of block at user data area;
(3) it is temporary to second impact damper to read this batch data block that firm burning finishes;
(4) verify have zero defect to exist, if the defective of discovery then enters step (10) to check in this batch data block; If the discovery defective then enters step (5);
(5) with the corresponding address of this defective data block, login is in defect management table;
(6) whether the block of checking second impact damper has been verified and has been finished, if checking is not finished, then gets back to step (4), if verified and finish, then enters step (7);
(7) with reference to this defect management table, with the checking this batch defective data block in the corresponding correct data of first impact damper, be copied to the 3rd impact damper;
(8) check whether the 3rd impact damper has reached predetermined saturating capacity, if arrived predetermined saturating capacity, then enters step (9), if do not reach predetermined saturating capacity, then enters step (10);
(9) the 3rd impact damper is temporary data burning is to backup area, as backup;
(10) check need burning data whether burning finish, if burning is not finished, then get back to step (1), if burning is finished, enter step (11);
(11) Backup Data that the 3rd impact damper is remained is burned onto backup area;
(12) finish the burning process.
9. CD drive method for burn-recording as claimed in claim 8, wherein this step (1) reception scheduled volume is to arrive the saturating capacity of first impact damper or arrived to receive the terminal point that needs burning data.
10. CD drive method for burn-recording as claimed in claim 8, wherein this step (5) is distributed the backup location of this defective data block at backup area, and with the corresponding address of this defective data block and backup location thereof, login is in defect management table.
11. CD drive method for burn-recording as claimed in claim 10, wherein this step (9) is with reference to defect management table, and the data burning that the 3rd impact damper is temporary is to the backup location of backup area distribution.
12. CD drive method for burn-recording as claimed in claim 11, wherein this step (11) is with reference to defect management table, and the Backup Data that the 3rd impact damper is remained is burned onto the backup location that backup area distributes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101087897A CN101599287B (en) | 2008-06-02 | 2008-06-02 | CD-ROM drive burning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101087897A CN101599287B (en) | 2008-06-02 | 2008-06-02 | CD-ROM drive burning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101599287A CN101599287A (en) | 2009-12-09 |
| CN101599287B true CN101599287B (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101087897A Expired - Fee Related CN101599287B (en) | 2008-06-02 | 2008-06-02 | CD-ROM drive burning method |
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| CN (1) | CN101599287B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112988179B (en) * | 2021-04-29 | 2021-09-28 | 北京华益精点生物技术有限公司 | Burning method and system for glucometer code card, electronic equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450548A (en) * | 2002-04-09 | 2003-10-22 | 株式会社东芝 | Apparatus and method for accessing disk containing alternate sector |
| CN1472742A (en) * | 2002-07-05 | 2004-02-04 | 日立-Lg数据存储韩国公司 | Method for recording data on compact disc by good recording blocks to replace defected blocks |
| CN101105961A (en) * | 2006-07-14 | 2008-01-16 | 上海乐金广电电子有限公司 | Optical disc driver high speed buffering method using bug management style |
-
2008
- 2008-06-02 CN CN2008101087897A patent/CN101599287B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450548A (en) * | 2002-04-09 | 2003-10-22 | 株式会社东芝 | Apparatus and method for accessing disk containing alternate sector |
| CN1472742A (en) * | 2002-07-05 | 2004-02-04 | 日立-Lg数据存储韩国公司 | Method for recording data on compact disc by good recording blocks to replace defected blocks |
| CN101105961A (en) * | 2006-07-14 | 2008-01-16 | 上海乐金广电电子有限公司 | Optical disc driver high speed buffering method using bug management style |
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| CN101599287A (en) | 2009-12-09 |
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