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Do you have a question on Embedded electronics and controls? Ask our Expert, Paul Clarke

pjclarke

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Paul Clarke

Paul has 20+ years of working as a digital electronics engineer and has strong software skills in assembly and C for embedded systems. Currently developing embedded electronics for thermal management control solutions for the air movement industry (HVAC & RAC).




  • hi sir ,

    can i know what is the lastest research going on extending the microcontroller speed and in embedded systems.

  • Hi Paul.. im very interested on learn C for embedded electronics...i had search  tutorial or ebooks about Freescale microcontrolers but i just found C embedded for PIC0s.... do you know where can i find that kind of information?  

  • Hi Paul,

    I have a question for you.  I'm joining a pic hobby group to collaborate with others on concepts/designs/efficient code.  This group is starting from scratch with a Microchip pickit 2 eval. board setup. We will be writing our code in assembly.  Do you have any recommendations on books or tutorials on how to start writing code for the Microchip pics in assembly?  I have experience with software design, but this is my first attempt at programming in assembly. Thanks in advance for any info.

    Sincerely;

     

    Jim

  • in reply to e14 Contributor
    Hi Engguzman,
     
    C as a language is used by lots of different people and microcontrollers. I’ve not seen any tutorials aimed at learning C and PIC’s as yet. I would suggest its a bit of a attack on two fronts; the language and the micro itself.
     
    From a language point of view there is a really good set of videos you can find on youTube under COMP1917 done by Richard Buckland. These teach you about the ‘thinking’ on being a software engineer but as part of the process you will learn C codeing too via examples. There area  lot of video’s, some 40 hours and some of it it taken up with university chit chat but is a good place to start.
     
    I’d then start looking at example code that you can download from microchip – they have lots of comments and you can learn for it. Then it’s a case of just doing it.
     
    There are some books out there but I can’t say i have actually used any of them but this one looks like it would help > http://www.elproducts.com/embeddedcbook.htm
     
    Hope that helps, Paul :o)
  • in reply to e14 Contributor
    Hi Jim,
     
    First off great to see people still loving the idea of writing code in ASM. I’ve not seen any books on starting out this way but would ask is maybe you should consider the Hi-Tech C compliers. These are very good now at working on even the very small PIC10 and PIC12s.
     
    If you are staying with ASM then as I have said above I think your best option in learning by example – but would seriously consider the C compliers as the overhead is tiny for the benefit of the C language.
  • in reply to pjclarke

    @Jim,

    There are loads of books about PIC assembler programming (not so popular now so look for secondhand or offers) and a lot of good information on the Microchip website. The only book on the subject that I actually own and have read is The PIC Microcontroller by John Morton. OK but not brilliant. Do be careful that any book you buy covers the PIC you are planning to use.

    I would like to know what made you choose PIC and assembler.

  • in reply to pjclarke

    Hi paul.. thank u.. but i think that i didn't explain myself... i wanna know about programming Freescale uControllers in C... could u guide me how to start it.. if there's a blog or a book or videos... also i've tried to initialize an LCD Display in C with the uController M9S08QG8 but mi code didnt work.. can u check my code an tell me what is wrong please?

  • in reply to e14 Contributor

    Hi, Sorry, I did miss read your post. No I have no knowledge of the uController's

  • Sir,

    I have a question to ask..

    kindl give me a reply as soon as possible tou you..

    I shall be thankful for you treasury time..

    Question: What are the differnce between the attributes of an Electronic machine, a computer, a moblie and an ipod?

    please reply me as fast as you can...

    thanks alot once again..

    Regards,

    Ramsha

  • in reply to pjclarke

    Sir,

    I have a question to ask..

    kindl give me a reply as soon as possible tou you..

    I shall be thankful for you treasury time..

    Question: What are the differnce between the attributes of an Electronic machine, a computer, a moblie and an ipod?

    please reply me as fast as you can...

    thanks alot once again..

    Regards,

    Ramsha