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Forum: RDM Physical Layer/Hardware Discussion July 8th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
Smile Does anything wrong with my description?

Does anything wrong with my description?
Forum: RDM Physical Layer/Hardware Discussion July 8th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
Hi Eric, Thanks for you reply. I...

Hi Eric,

Thanks for you reply.
I just wanna make sure that in the case I described above, UART can't detect the BreakHeader correctly, is it right? Or maybe I miss something.:p
...
Forum: RDM Physical Layer/Hardware Discussion July 8th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
I met a problem, For example: Break Header = 88...

I met a problem, For example:
Break Header = 88 us
MAB = 8 us
With the quoted method,
for the first 80us, UART will detect 2 bytes of 0x00 with frame error.
80~84us of the break header will be...
Forum: RDM Physical Layer/Hardware Discussion June 25th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
Actually, I am using PowerPSoC from cypress. I...

Actually, I am using PowerPSoC from cypress.
I am located in ShangHai, China. :)
Forum: RDM Physical Layer/Hardware Discussion June 25th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
My MCU only has 16K flash and 1K RAM. So, based...

My MCU only has 16K flash and 1K RAM.
So, based on the info above, the conclusion is we can't implement full-featured-RDM responder, but we can implement minimum-RDM responder. And I don't know if...
Forum: RDM Physical Layer/Hardware Discussion June 24th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
Dear all, Could anybody provide some...

Dear all,

Could anybody provide some information about the requirements of Flash/RAM space(8-bit MCU) to implement minimum-RDM responder, normal-RDM responder and full-featured-RDM...
Forum: RDM Physical Layer/Hardware Discussion June 16th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
Hi Eric, Thanks for the reply. ...

Hi Eric,

Thanks for the reply.
Hope someone can share more experience. :)
Forum: RDM Physical Layer/Hardware Discussion June 14th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
Hi Scott, I am very appreciate for your...

Hi Scott,
I am very appreciate for your reply.
But I still can't find any reference.
If you can show me some free download websites, that would be more useful. :)

BTW, I will...
Forum: RDM Physical Layer/Hardware Discussion June 12th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
Is there any existing schematic or sample code...

Is there any existing schematic or sample code can speed up my development and reduce mistakes that might be triggerred?

Thanks again,
Vincent.
Forum: RDM Physical Layer/Hardware Discussion June 12th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
Dear Nigel, Your answer is definitely...

Dear Nigel,

Your answer is definitely useful for me.
Now, I have the idea to implement RDM Responder based on UART, thanks!

Because I am a firmware engineer, I have one more...
Forum: RDM Physical Layer/Hardware Discussion June 11th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
Hi Scott, Thanks a lot for your quick...

Hi Scott,

Thanks a lot for your quick reply!
Actually, I am using PowerPSoC which is a newly introduced chip for lighting.

I am still wondering if use UART to implement RDM...
Forum: RDM Physical Layer/Hardware Discussion June 11th, 2009
Replies: 24
Views: 17,863
Posted By wcai_cypress
Smile What is the basic requirement to implement RDM?

Dear all,

I am a newer with RDM.

Currently, I need to implement a solution for RDM responder. I have read the RDM standard, but still not clear about What is the basic requirement to...
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