Re: sending a file over CAN

In the VSCP project (http://www.vscp.org) you can find some sample
code for a CAN bootloader. No code for TI chips yet but for AVR/PIC
and some Arm devices. The current code should be easily ported to Ti.

Cheers
/Ake

On Thu, Oct 4, 2012 at 7:12 PM, Corey, Richard
<[email protected]> wrote:
> Consider breaking the file into smaller blocks, adding a CRC for each block,
> then use a block-retry mechanism.
>
>
>
> Otherwise, one packet lost due to an interrupt overrun makes you resend the
> entire file.
>
>
>
> Rick Corey  |
>
>
>
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Diaz Sonny
> Sent: Thursday, October 04, 2012 5:42 AM
> To: [email protected]
>
>
> Subject: [CANLIST] sending a file over CAN
>
>
>
> Hey all,
>
>
>
> I am brand new to CAN. I am tasked with reprogramming several TI chips
> (28069, 28035) over CAN. Basically the TI chips have a bootstrap loader. On
> bootup they will look for a certain message over can that will tell it to
> jump to the reprogramming software. This software will get a new software
> image over the CAN bus and save it in flash.
>
>
>
> Is there any example code available on how to transfer a file over CAN? I
> know how to read a file in C/C++ in binary mode and then send it over
> something like Ethernet or serial. Is there a difference when doing
> something like this over CAN? Are there any pitfalls I should be aware of?
>
>
>
> Thanks,
>
> SD
>
>
>
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-- 
 ---
Ake Hedman
eurosource, http://www.eurosource.se
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