Hi All, My MCU can't support me to declare large enough memory to store my byte arrary data, what can I do? Could you please advice? Thank you very much! Best regards, Boki.
Not enough memory to declare global variable.
Started by ●January 13, 2006
Reply by ●January 13, 20062006-01-13
<bokiteam@ms21.hinet.net> wrote in message news:1137146111.892412.248370@g49g2000cwa.googlegroups.com...> Hi All, > > My MCU can't support me to declare large enough memory to store my byte > arrary data, what can I do? > > Could you please advice? > > Thank you very much! > > Best regards, > Boki.Stating the obvious, use a different processor, add more memory, or optimise your program. + Can you analyse your code to see if any variables can use smaller data types (bits for Booleans rather than bytes, etc), or + Share a memory location (i.e. are variables used in a mutually exclusive way so can be overwritten), or + Does all the global data really need to be global? or + Can you work with a smaller stack allocating more RAM to global data? If you get down to this then i would suggest your application is not supportable on your current hardware, and you are on a hiding to nothing anyway. Good luck! Richard. http://www.FreeRTOS.org
Reply by ●January 13, 20062006-01-13
bokiteam@ms21.hinet.net wrote:> My MCU can't support me to declare large enough memory to store my byte > arrary data, what can I do?I think we need some more details on your problem; what memory are you short on, RAM, ROM ? What kind of data do you need to store, and how do you want to access it ? Apart from adding memory (which might or might not be possible on your platform) you could try some tricks with compression or storing your data in another way. -- :wq ^X^Cy^K^X^C^C^C^C
Reply by ●January 13, 20062006-01-13
bokiteam@ms21.hinet.net wrote:> Hi All, > > My MCU can't support me to declare large enough memory to store my byte > arrary data, what can I do? > > Could you please advice? > > Thank you very much!With lots of unused cpu power, you could consider compressing the memory contents. Rene
Reply by ●January 13, 20062006-01-13
bokiteam@ms21.hinet.net wrote:> Hi All, > > My MCU can't support me to declare large enough memory to store my byte > arrary data, what can I do? > > Could you please advice?Buy a bigger one. HTH HAND. pete -- pete@fenelon.com "there's no room for enigmas in built-up areas" - HMHB.
Reply by ●January 13, 20062006-01-13
On 13 Jan 2006 01:55:11 -0800, the renowned bokiteam@ms21.hinet.net wrote:>Hi All, > >My MCU can't support me to declare large enough memory to store my byte >arrary data, what can I do? > >Could you please advice? > >Thank you very much! > >Best regards, >Boki.Ah, the ever-cryptic Boki strikes again. Details? Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com
Reply by ●January 13, 20062006-01-13
On 2006-01-13, bokiteam@ms21.hinet.net <bokiteam@ms21.hinet.net> wrote:> My MCU can't support me to declare large enough memory to > store my byte arrary data, what can I do?Hire somebody with a clue. -- Grant Edwards grante Yow! I feel partially at hydrogenated! visi.com
Reply by ●January 13, 20062006-01-13
On Fri, 13 Jan 2006 12:14:33 +0100, Rene Tschaggelar <none@none.net> wrote:>bokiteam@ms21.hinet.net wrote: > >> Hi All, >> >> My MCU can't support me to declare large enough memory to store my byte >> arrary data, what can I do?Figure out how much memory you need before choosing the micro.
Reply by ●January 13, 20062006-01-13
On Fri, 13 Jan 2006 09:36:23 -0500, in comp.arch.embedded Spehro Pefhany <speffSNIP@interlogDOTyou.knowwhat> wrote:>On 13 Jan 2006 01:55:11 -0800, the renowned bokiteam@ms21.hinet.net >wrote: > >>Hi All, >> >>My MCU can't support me to declare large enough memory to store my byte >>arrary data, what can I do? >> >>Could you please advice? >> >>Thank you very much! >> >>Best regards, >>Boki. > >Ah, the ever-cryptic Boki strikes again. Details? > > >Best regards, >Spehro PefhanyAlways a challenge....... martin
Reply by ●January 14, 20062006-01-14
Well, you could use brute force! martin griffith wrote:> On Fri, 13 Jan 2006 09:36:23 -0500, in comp.arch.embedded Spehro > Pefhany <speffSNIP@interlogDOTyou.knowwhat> wrote: > > >On 13 Jan 2006 01:55:11 -0800, the renowned bokiteam@ms21.hinet.net > >wrote: > > > >>Hi All, > >> > >>My MCU can't support me to declare large enough memory to store my byte > >>arrary data, what can I do? > >> > >>Could you please advice? > >> > >>Thank you very much! > >> > >>Best regards, > >>Boki. > > > >Ah, the ever-cryptic Boki strikes again. Details? > > > > > >Best regards, > >Spehro Pefhany > Always a challenge....... > > > martin
