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Well i'm not surprised that you code worked, the problem is at sectors
8 & 9. Sector 10 was fine :) Cheers, Laurent ----- Original Message ----- From: "Mike Petty" <> To: <> Sent: Saturday, April 24, 2004 4:56 PM Subject: Re: [c6x] Small bug fix in the TMS320C6713 SDK Flash code > I've been able to erase and reprogram the last sector without any > problems. Here's the code I've been using. > > //erase the last sector > DSK6713_FLASH_erase(DSK6713_FLASH_BASE+((DSK6713_FLASH_PAGES-1)* > DSK6713_FLASH_PAGESIZE), > (Uint32)DSK6713_FLASH_PAGESIZE); > > //write a variable to the start of the last sector > > DSK6713_FLASH_write((Uint32)&Data,DSK6713_FLASH_BASE+ > > ((DSK6713_FLASH_PAGES-1)*DSK6713_FLASH_PAGESIZE),8); > > I've been using this routine to write variables to the final sector in > flash while the DSP is running for some time now. > > Mike > > Laurent wrote: > > > Hi All, > > > > I'm new to the list and i'm sure i'll have a lot of questions to ask > > in the future ! > > > > I've figured out that the DSK6713_FLASH_erase() function did not work > > as described in the documentation as i was unable to erase some > > specific sectors of the AMD29LV400BT Flash. > > > > I guess this bug might not have been detected because the function > > works fine when we try to erase the whole chip ( this is because the > > blocks are all contiguous ), and this is generally what people do. > > I looked at the AMD29LV400BT Flash PDF documentation and i think i've > > found out what's wrong. > > > > In the dsk6713_flash_erase.c they define : > > > > /* Constant table containing end address of each sector */ > > static Uint32 sector_end[DSK6713_FLASH_SECTORS] = { > > DSK6713_FLASH_BASE + 0x007fff, /* Sector 0 */ > > DSK6713_FLASH_BASE + 0x00ffff, /* Sector 1 */ > > DSK6713_FLASH_BASE + 0x017fff, /* Sector 2 */ > > DSK6713_FLASH_BASE + 0x01ffff, /* Sector 3 */ > > DSK6713_FLASH_BASE + 0x027fff, /* Sector 4 */ > > DSK6713_FLASH_BASE + 0x02ffff, /* Sector 5 */ > > DSK6713_FLASH_BASE + 0x037fff, /* Sector 6 */ > > DSK6713_FLASH_BASE + 0x039fff, /* Sector 7 */ > > DSK6713_FLASH_BASE + 0x03bfff, /* Sector 8 */ > > DSK6713_FLASH_BASE + 0x03dfff, /* Sector 9 */ > > DSK6713_FLASH_BASE + 0x03ffff /* Sector 10 */ > > }; > > while it should be ( according to the Flash doc ) : > > > > /* Constant table containing end address of each sector */ > > static Uint32 sector_end[DSK6713_FLASH_SECTORS] = { > > DSK6713_FLASH_BASE + 0x007fff, /* Sector 0 */ > > DSK6713_FLASH_BASE + 0x00ffff, /* Sector 1 */ > > DSK6713_FLASH_BASE + 0x017fff, /* Sector 2 */ > > DSK6713_FLASH_BASE + 0x01ffff, /* Sector 3 */ > > DSK6713_FLASH_BASE + 0x027fff, /* Sector 4 */ > > DSK6713_FLASH_BASE + 0x02ffff, /* Sector 5 */ > > DSK6713_FLASH_BASE + 0x037fff, /* Sector 6 */ > > DSK6713_FLASH_BASE + 0x03bfff, /* Sector 7 */ > > DSK6713_FLASH_BASE + 0x03cfff, /* Sector 8 */ > > DSK6713_FLASH_BASE + 0x03dfff, /* Sector 9 */ > > DSK6713_FLASH_BASE + 0x03ffff, /* Sector 10 */ > > }; > > There are some slight differences on the block sizes, at the end... > > > > Now that i've fixed this, i can erase ( then program ) the desired > > sectors at the end of the flash ( sector 9 ). > > I hope that can help some of you... > > > > Cheers, > > Laurent > > > > > > _____________________________________ > > Note: If you do a simple "reply" with your email client, only the > > author of this message will receive your answer. You need to do a > > "reply all" if you want your answer to be distributed to the entire group. > > > > _____________________________________ > > About this discussion group: > > > > To Join: Send an email to > > > > To Post: Send an email to > > > > To Leave: Send an email to > > > > Archives: http://www.yahoogroups.com/group/c6x > > > > Other Groups: http://www.dsprelated.com > > > > > > > > > > *>. > > > > > _____________________________________ > Note: If you do a simple "reply" with your email client, only the author of this message will receive your answer. You need to do a "reply all" if you want your answer to be distributed to the entire group. > > _____________________________________ > About this discussion group: > > To Join: Send an email to > > To Post: Send an email to > > To Leave: Send an email to > > Archives: http://www.yahoogroups.com/group/c6x > > Other Groups: http://www.dsprelated.com > > Yahoo! Groups Links > |