[OpenTRV-dev] FAQ 11: is it safe to do without the CRC on secure frames?

Deniz Erbilgin deniz.erbilgin at gmail.com
Sat Dec 19 19:07:43 GMT 2015


I still find it amusing that we don't use the preamble and crc that are 
built into the rfm23bs...

Regards,

Deniz

On 19/12/15 19:01, Damon Hart-Davis wrote:
>> On 19 Dec 2015, at 18:51, Bo Herrmannsen <bo.herrmannsen at gmail.com> wrote:
>>
>> a spanner in the works....
>>
>> maybe we are using the wrong AVR? ie maybe we should consider a bigger one?
> We have the one that we have, and it is typical of smaller devices.  And we aren’t able to change horses now for the valves or for Launchpad.
>
> We are likely to have to stay low-end to keep costs down for both projects.
>
> But in any case the issue is more to do with a combination of common radio module behaviour and interrupt latency; an otherwise more powerful MCU could even be worse.
>
> Rgds
>
> Damon
>
>
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