[chbot] HEX and ANSII ATMEGA and Delphi

[Marshland Engineering]

I'm a bit stuck here. I want to send hex data from an Atmega to my PC. I have
a com port component for Delphi which receives Ansii fine. I can see the
comport RX signal flicking ie receiving data in hex format, but I don't know
how to convert it into something I can use/display. 

Currently I have been using the c itoa function, but I have sign issues and it
takes longer to send 65000 than FF so was hoping to go the hex route. 

I presume all higher level programs will have similar issues. 

Thanks Wallace.



--
Thanking you
Wallace Weideman
Marshland Engineering
704 Marshland Road
Styx
Christchurch
03 3237449
www.marshland.co.nz

 

On 24/10/2020 at 12:00 a.m., chchrobotics-request at lists.ourshack.com wrote:
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>   1. Re: PCBs update (David Closey)
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>----------------------------------------------------------------------
>
>Message: 1
>Date: Fri, 23 Oct 2020 19:02:30 +1300
>From: David Closey <david.closey at gmail.com>
>To: Christchurch Robotics <chchrobotics at lists.ourshack.com>
>Subject: Re: [chbot] PCBs update
>Message-ID: <151DEB16-9F33-4DE0-9C20-A95CFD809FE5 at gmail.com>
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>
>Russell
>
>What a Fantastic method 
>Sorry I also missed the talks this month
>I have played with all sorts of methods over the years including dry film of
late 
>
>Although commercial PCB’s are quite affordable now 
>It is very satisfying to be able to knock up a prototype from idea to board
in a weekend 
>I’m definitely going to try the method you describe
>
>What is the source of the photo resist ??
>I had a quick google "PER-20” but nothing popped up
>
>
>David Closey 
>
>
>
>
>> On 22/10/2020, at 17:43, Volker Kuhlmann <list57 at top.geek.nz> wrote:
>> 
>> On Thu 22 Oct 2020 08:57:56 NZDT +1300, Russell & Heather Phillips wrote:
>> 
>> [...]
>> 
>> That sounds all very interesting. Sorry I missed the talk.
>> 
>> Would you be able to give some dimensions of details that can be
>> achieved with this method?
>> 
>> It looks very similar to what we did in the
>> 1980s at home, although without machinery like lathes. We dropped
>> iron(III)chloride for etching in favour of sodiumhydroxide (I think, not
>> totally sure any more now). It's also possible we added a little
>> hydrochloric acid. It was less of a mess than ironchloride and perhaps a
>> little safer.
>> 
>> Recently I heard some artists warn that etching metal with those kind of
>> chemicals does eventually erode your teeth. That might be plausible when
>> breathing the vapours and having a dry mouth, so ventilation and
>> drinking (not the etching solution) might be wise.
>> 
>> Volker
>> 
>> -- 
>> Volker Kuhlmann
>> http://volker.top.geek.nz/	Please do not CC list postings to me.
>> 
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