Re: AW: The Coldfire development

Dear Mark

Thank you for the responce.

regards
Sanjay Morab

> Hi Sanjay
>
>  
>>>1. When we link all files (tested individually on EVA board) i get
> linker error
>
> Program RAM requirements are presently too large for the chip’s internal
> SRAM. You will have to analyse where the RAM is being used and optimise
> where possible
>  
>>>3. I am unable to understand how to use RTC on MCF52235 and how the
> RTC is retained on poer failure.
> If you can help us with some sample codes it will be great
>  
>
> See http://www.utasker.com/forum/index.php?topic=35.0
> This is a general discussion of this module with examples of how it can
> be useful. The M52235 doesn’t support battery backup of this module and
> it is also not really designed for traditional RTC functions. It may be
> best to use an external battery backed RTC via I2C.
>
>  
>>>4. I need to use I2C port on interrput. Can you send some codes for
> I2c port
>>>2. In polled mode UART is workinf fine but in interrupt mode there is
> some problem. Can you please help us with some UART sample
> codes interrupt.
>
> See the uTasker project since it includes all code for the parts you are
> looking for (including DMA operation and flow control support) – it is
> also documented on the web site and its forum.
> www.uTasker.com / http://www.uTasker.com/forum/
>
> Regards
>
> Mark
>
>
>
>  
> Mark Butcher Bsc (Hons) MPhil MIEE
>
> M.J.Butcher Consulting
> Obere Bahnhofstr. 13,  CH-5507 Mellingen,
> Switzerland         www.mjbc.ch / www.uTasker.com
> 056 491 48 10 / 079 402 26 37 / Skype: M_J_Butcher
>  
>  
>
> -----Ursprüngliche Nachricht-----
> Von: [email protected] [mailto:[email protected]]
> Im Auftrag von Sanjay Morab
> Gesendet: Freitag, 4. Januar 2008 04:39
> An: [email protected]
> Betreff: [ColdFire] The Coldfire development
>
> Dear All
>  
> We had started the development on Coldfire MCF52235. We had sucessfully
> implemented all other drivers and tested independently. We are facing
> some problem in following
>  
> 1. When we link all files (tested individually on EVA board) i get
> linker error
>  
> Link Error   : Overflow in segment: user from section: .bss
> Segment reserved size is: 0x00007b00 -- Overflow of: 0x00000124
>  
> Link failed.
>  
> 2. In polled mode UART is workinf fine but in interrupt mode there is
> some problem. Can you please help us with some UART sample
> codes interrupt.
>  
> 3. I am unable to understand how to use RTC on MCF52235 and how the RTC
> is retained on poer failure.
> If you can help us with some sample codes it will be great
>  
> 4. I need to use I2C port on interrput. Can you send some codes for I2c
> port
>  
> regards
> Sanjay Morab
>  
>
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