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UFFS

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Welcome to UFFS group !

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6/15/19

uffs_TreeInit(uffs_Device *dev)

In functions uffs_TreeInit(uffs_Device *dev), dev->tree.erased_count = 0; dev->cfg.

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uffs_TreeInit(uffs_Device *dev)

In functions uffs_TreeInit(uffs_Device *dev), dev->tree.erased_count = 0; dev->cfg.

6/15/19

6/4/19

how to manage Bad block in nand flash?

where to modify to use bad block handling in uffs?? Is there documentation available ?? Or any

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how to manage Bad block in nand flash?

where to modify to use bad block handling in uffs?? Is there documentation available ?? Or any

6/4/19

6/1/19

how to use hardware ecc and where to write ecc funntion?

hi, I'm facing problem to porting uffs to spi nand flash Is there any porting documents??? means,

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how to use hardware ecc and where to write ecc funntion?

hi, I'm facing problem to porting uffs to spi nand flash Is there any porting documents??? means,

6/1/19

6/1/19

Files includes in microcontroller code?

hi, there are a lot of file in uffs library folder , which files should i include in microcontroller

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Files includes in microcontroller code?

hi, there are a lot of file in uffs library folder , which files should i include in microcontroller

6/1/19

Chris Wilson, Ricky Zheng2

4/27/19

UFFS on NOR flash

Hi Chris, When using UFFS on NOR flash, you can simply take part of the page as "spare area

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UFFS on NOR flash

Hi Chris, When using UFFS on NOR flash, you can simply take part of the page as "spare area

4/27/19

10/24/18

Possible Bug In UFFS?

Hi Ricky, I finally have UFFS running in my system! It has been working very well for all operations.

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Possible Bug In UFFS?

Hi Ricky, I finally have UFFS running in my system! It has been working very well for all operations.

10/24/18

9/26/18

Configuring Flash Part For Use With UFFS

Hi Ricky, Still trying to get UFFS up and running on my platform. I have the southbound side wired up

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Configuring Flash Part For Use With UFFS

Hi Ricky, Still trying to get UFFS up and running on my platform. I have the southbound side wired up

9/26/18

Gil Glass, Ricky Zheng3

9/13/18

ReadPageSpareWithLayout() & WritePageSpareWithLayout() Still Exist?

For your quesion (3), yes you should manually populate and taken from offs_TagStoreSt which passed to

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ReadPageSpareWithLayout() & WritePageSpareWithLayout() Still Exist?

For your quesion (3), yes you should manually populate and taken from offs_TagStoreSt which passed to

9/13/18

Gil Glass, Ricky Zheng4

8/30/18

Considering Using UFFS In Mission Critical Application

Hi Gil, Yes you are correct, the CPU time hit is predictable. Knowing of UFFS being used in projects

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Considering Using UFFS In Mission Critical Application

Hi Gil, Yes you are correct, the CPU time hit is predictable. Knowing of UFFS being used in projects

8/30/18

11/5/15

Writing NAND too slowly due to unnecessary block recover

Page大小是4096，应用层是按4096大小写入的。实际由于mini head数据大小是4092/page，结果写8个block产生了43次block recover。应用层改成每次写入4092大小，

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Writing NAND too slowly due to unnecessary block recover

Page大小是4096，应用层是按4096大小写入的。实际由于mini head数据大小是4092/page，结果写8个block产生了43次block recover。应用层改成每次写入4092大小，

11/5/15

Frédéric SERGENT, … Sergei Sharonov10

7/28/15

Atomicity of renaming a file

On Wednesday, January 11, 2012 at 2:29:25 PM UTC-6, Ricky wrote: Hi Fred, No, deleting a file is not

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Atomicity of renaming a file

On Wednesday, January 11, 2012 at 2:29:25 PM UTC-6, Ricky wrote: Hi Fred, No, deleting a file is not

7/28/15

7/27/15

uffs_FlashReadPage()'s error

Hello! There is a problem when the func uffs_BufFlush_Exist_With_BlockCover() is called. The debug

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uffs_FlashReadPage()'s error

Hello! There is a problem when the func uffs_BufFlush_Exist_With_BlockCover() is called. The debug

7/27/15

Sergei Sharonov

7/24/15

Does UFFS implement erase counters? It would be quite useful to know average/min/max number of times

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Does UFFS implement erase counters? It would be quite useful to know average/min/max number of times

7/24/15

Sergei Sharonov

7/16/15

Suggest moving FD_OFFSET into uffs_config.h Rationale: UFFS may not be the only source of FDs in the

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Suggest moving FD_OFFSET into uffs_config.h Rationale: UFFS may not be the only source of FDs in the

7/16/15

Sergei Sharonov, Marc Lindahl2

7/15/15

regression tests

Hi Sergei, The reason I couldn't use it - it has a significant RAM footprint for various data

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regression tests

Hi Sergei, The reason I couldn't use it - it has a significant RAM footprint for various data

7/15/15

Sergei Sharonov, Ricky Zheng3

7/15/15

UFFS flags definition for open()

On Wednesday, July 15, 2015 at 4:36:12 PM UTC-5, Ricky wrote: Yes, it's safe to redefine these

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UFFS flags definition for open()

On Wednesday, July 15, 2015 at 4:36:12 PM UTC-5, Ricky wrote: Yes, it's safe to redefine these

7/15/15

Sergei Sharonov, Ricky Zheng3

7/6/15

UFFS on Kinetis internal flash

Ricky, Thank you for the prompt reply. I was a bit worried about low activity on the mailing list but

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UFFS on Kinetis internal flash

Ricky, Thank you for the prompt reply. I was a bit worried about low activity on the mailing list but

7/6/15

bowerymarc, … Sergei Sharonov4

6/29/15

announce: UFFS for Kinetis ARM

Hi Sergei, In fact a mutex might be better. For the project I had, it made no difference, as only one

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announce: UFFS for Kinetis ARM

Hi Sergei, In fact a mutex might be better. For the project I had, it made no difference, as only one

6/29/15

Frédéric SERGENT, … Sergei Sharonov19

6/29/15

Block erase non-atomicity

On Monday, June 29, 2015 at 3:42:12 AM UTC-5, Ricky wrote: UFFS assume that when erasing a block, the

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Block erase non-atomicity

On Monday, June 29, 2015 at 3:42:12 AM UTC-5, Ricky wrote: UFFS assume that when erasing a block, the

6/29/15

Savin Zlobec, … Ricky3

1/24/15

About commit [86cf34] - Handle more bad block during mount

Yes it's bug, it should be fixed in commit 6149378161f6ebcc638c0e147fd2e6d89d786c70 Regards,

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About commit [86cf34] - Handle more bad block during mount

Yes it's bug, it should be fixed in commit 6149378161f6ebcc638c0e147fd2e6d89d786c70 Regards,

1/24/15

Savin Zlobec, … Ricky Zheng4

5/30/14

uffs_TruncateObject issue

Hi Holger, Yes you just spotted a bug ! it should be '!='. Thanks, Ricky. On 27/05/2014, at

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uffs_TruncateObject issue

Hi Holger, Yes you just spotted a bug ! it should be '!='. Thanks, Ricky. On 27/05/2014, at

5/30/14

10/24/13

Tag ECC calculated, but not used with UFFS_ECC_HW*

Hi Ricky, I have a case where I would like to recover as much data as possible if I get ECC failure

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Tag ECC calculated, but not used with UFFS_ECC_HW*

Hi Ricky, I have a case where I would like to recover as much data as possible if I get ECC failure

10/24/13

Savin Zlobec, Marc6

10/18/13

NAND COPY_PAGE/INTERNAL_DATA_MOVE

Thanks Savin, I'll take a look. It might be worth migrating to internal ECC at some point but the

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NAND COPY_PAGE/INTERNAL_DATA_MOVE

Thanks Savin, I'll take a look. It might be worth migrating to internal ECC at some point but the

10/18/13

bowerymarc, Ricky Zheng4

10/18/13

looks like a bug in either uffs_FormatDevice or uffs_format

Binary semaphore should be enough. Cheers, Ricky. On Fri, Oct 18, 2013 at 1:14 AM, bowerymarc <

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looks like a bug in either uffs_FormatDevice or uffs_format

Binary semaphore should be enough. Cheers, Ricky. On Fri, Oct 18, 2013 at 1:14 AM, bowerymarc <

10/18/13

bowerymarc, Ricky Zheng4

10/17/13

why is uffs_FlashIsBadBlock reading the block twice?

Yes that's the fix. It should be available on master branch by now. On Fri, Oct 18, 2013 at 1:17

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why is uffs_FlashIsBadBlock reading the block twice?

Yes that's the fix. It should be available on master branch by now. On Fri, Oct 18, 2013 at 1:17

10/17/13

bowerymarc, Ricky Zheng3

10/17/13

behavior when first initializing a new flash part

No, it's only implementing read/write page with layout and erase block. It's a Freescale

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behavior when first initializing a new flash part

No, it's only implementing read/write page with layout and erase block. It's a Freescale

10/17/13

flame, Ricky Zheng5

10/17/13

a problem about device lock

Thanks for your reply. I have modified CONFIG_PER_DEVICE_LOCK in uffs_fs.c to

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a problem about device lock

Thanks for your reply. I have modified CONFIG_PER_DEVICE_LOCK in uffs_fs.c to

10/17/13

bowerymarc, Ricky Zheng2

10/10/13

what should WritePageWithLayout() return when called with data == NULL && ts == NULL?

It should return UFFS_FLASH_NO_ERR if WritePage()/WritePageWithLayout() function successfully marked

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what should WritePageWithLayout() return when called with data == NULL && ts == NULL?

It should return UFFS_FLASH_NO_ERR if WritePage()/WritePageWithLayout() function successfully marked

10/10/13

ajron, Ricky Zheng2

5/7/13

undefined CONFIG_ENABLE_UFFS_DEBUG_MSG error

Thanks, I'll fix that. - Ricky On Mon, May 6, 2013 at 10:14 PM, ajron <vtoo...@gmail.com>

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undefined CONFIG_ENABLE_UFFS_DEBUG_MSG error

Thanks, I'll fix that. - Ricky On Mon, May 6, 2013 at 10:14 PM, ajron <vtoo...@gmail.com>

5/7/13

ajron, Ricky Zheng2

5/7/13

device reference count

Thanks, I'll fix that. Regards, Ricky On Mon, May 6, 2013 at 10:44 PM, ajron <vtools.pl@gmail.

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device reference count

Thanks, I'll fix that. Regards, Ricky On Mon, May 6, 2013 at 10:44 PM, ajron <vtools.pl@gmail.

5/7/13

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