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Embedded Software Blog

Posts tagged with 'USB'

23 May, 2011

USB power

Posted by Colin Walls

Colin Walls USB seems to be a subject of great interest among embedded developers. I recently delivered a couple of Web seminars on the topic and had a very good sized audience and lots of questions. If you attended, thanks for coming along. If you were not there, but are interested, you can find a recording here. Please email me if you would like a copy of the slides. There was a very wide range of questions, … Read More

USB

11 Apr, 2011

USB - class drivers

Posted by Colin Walls

Colin Walls I have written about various aspects of USB before and presented many seminar and conference sessions on the topic. I find it interesting that, considering that USB is such a straightforward technology for most users to utilize, its deployment in devices can be quite challenging. A particular area of confusion is USB Class Drivers. The word “class” is very overloaded in the software world … Read More

USB

1 Nov, 2010

USB - even more

Posted by Colin Walls

Colin Walls I have written about USB many times - here, here and here, for example - and get a good response. Downloads of technical papers and web seminar attendances seem to break all records. It is clearly a topic of interest to many embedded developers. This is hardly surprising, as it is rare for any electronic device nowadays not to sport a USB interface. If you want a wired connection that just works, USB … Read More

USB

13 Sep, 2010

USB - real speed

Posted by Colin Walls

Colin Walls I recently wrote about the USB standards and how, with each generation, increased speed has become available. This provoked some discussion about the actual data throughput, which is quite a complex topic. The “U” in “USB” stands for “universal” and the interface was designed to accommodate a very wide range of different peripheral devices, with very divergent needs in terms of data transfer - speed, … Read More

Nucleus USB, USB

16 Aug, 2010

USB – the need for speed

Posted by Colin Walls

Colin Walls I have commented before on “fashions” in the embedded software world and part of my job is to understand what the hot topics among embedded developers are. A subject that just seems to run and run is USB. I posted about it a while back and promised to write more. In the meantime, we ran a Web seminar, which broke records for attendance, and published a new tech paper, which has proven incredibly popular. I … Read More

Nucleus USB, USB

1 Apr, 2010

USB - what we learned

Posted by Colin Walls

Colin Walls Last week we ran a Web seminar about USB. It was very popular. We offered two shows and had well over 2000 registrations and hundreds of people attended each event - in one case the web seminar “room” was full. I hope that not too many people were disappointed. If you were there, thanks for coming along. If you were not and would like to hear about USB, the archived recording is online here. In these … Read More

middleware, USB, Nucleus, Nucleus USB, Nucleus Kernel

15 Mar, 2010

Technology trends

Posted by Colin Walls

Colin Walls In last week’s blog I talked about what was going on at Embedded World and made some observations about what seemed to be “hot”. I have been thinking about this and wondering which topics, technologies or products embedded software engineers actually think are important, interesting or exciting. Obviously trend surveys and the like give some indication, but I realized that I already had a tool at my … Read More

GUI, USB, Inflexion UI, Nucleus USB, Android, Google

19 Oct, 2009

Introducing the iBrush

Posted by Colin Walls

Colin Walls Today, for a change, instead of discussing some embedded software technology, I would like to put forward a concept for a product. It is an embedded system, which I believe could sell in high volumes. Maybe someone reading this blog would like to develop it. I am happy to waive any rights to royalties on the idea so long as we have an understanding that you will use Mentor Graphics products in your … Read More

Nucleus, Wi-Fi, RTOS, Development Tools, Nucleus USB, Nucleus Kernel, USB

4 Sep, 2009

Seeing is believing

Posted by Colin Walls

Colin Walls I am a difficult customer. When I am buying something, I want see exactly what I am getting for my money. The words of the salesperson and the blurb on packages just does not convince me - I have been caught out too many times. Recently my daughter was after a charger for her iPod, as she was traveling without a computer and “needed” her iPod. What she wanted was a mains plug which has a USB socket … Read More

Shareware, Evaluation, Nucleus Kernel, Nucleus, RTOS, USB

3 Aug, 2009

USB: easy, but ...

Posted by Colin Walls

Colin Walls I love USB. I have worked with PCs since The Beginning, and I remember how it used to be. I would buy new peripheral device, spend lots of time and effort ripping apart my PC to install the card and then start worrying about software, drivers etc. It took for ever. By the time I had finished, any excitement I had about this new cool device had long since evaporated. USB changed all that. Nowadays, … Read More

Nucleus Kernel, USB, Nucleus USB, Nucleus

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