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Mentor Blogs

Posts tagged with 'RTOS'

24 Feb, 2013

Kamran Shah The Mentor Embedded team will be at Embedded World in Nuremburg Germany this week. In addition to a number of demos at the Expo (Hall 5, Booth 324) we are presenting a number of sessions as well. On Tuesday Colin Walls will give two presentations: His first session is titled “Power Management in Embedded Systems”. This is part of Session 4: System Level Design and will be from 3:15 pm to … Read More

Low Power, RTOS, Embedded World

18 Feb, 2013

Jamie Little NXP has joined the Nucleus Innovate Program with its line of LPC ARM Cortex M4 family of microcontroller devices. The first Nucleus BSP available for NXP will be on the Hitex LPC4350 evaluation board. Just to mention a few of the onboard goodies, the LPC4350 has speeds up to 204MHz, USB, LCD, Ethernet with 1MB FLASH and 264kb SRAM, making the LPC3450 a very capable development platform. Moreover, the … Read More

NXP, Nucleus, RTOS, LPC1800, LPC4000, free software, MCU, multi-core, LPC4300, LPC4350

11 Feb, 2013

Colin Walls Recently I posted about the challenges of using a write only port. Then I followed that up with another posting that illustrated the use of C++ to encapsulate the necessary coding nastiness. Hopefully, these two postings conveyed the general ideas – defining the problem and outlining a solution. However, one aspect of the solution was not addressed: the proposed code was not reentrant … Reentrancy … Read More

device drivers, drivers, RTOS

8 Jan, 2013
Embedded Software

OS configuration

Posted by Colin Walls

Colin Walls I have always characterized the difference between desktop systems and embedded along the lines of “desktops are all the same; embedded systems are all different.” Although, if I think about platform based designs, this is less universal, but the distinction still mostly holds true. Commonly, I would cite this difference when considering the needs of embedded software engineers with respect … Read More

RTOS, device tree, BSP, ReadyStart, Linux, Nucleus

2 Jan, 2013

Jamie Little

RTOS’s have been around for a long time in the embedded industry.   And with the introduction of the TI RTOS, Freescale’s MQX, FreeRTOS and several others, I hear all the time that “RTOS’s have become a commodity.”  And to some extent, I agree.   While every RTOS has its pros and cons with various features and benefits, selecting the right one for “your” application requirements can be a little tricky. 

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OSS, RTOS, Freescale, Android, Mentor Embedded, Nucleus, Linux, Medical

5 Nov, 2012
Embedded Software

Blinking is good

Posted by Colin Walls

Colin Walls

I like simple things. In particular, I like clean and simple ways to solve a problem. For example, user interaction with an embedded system might be something very slick – touch screen LCDs seem to be fitted to everything nowadays. But sometimes a simple LED indicator is enough. I was entertained to read a blog by Ken Wada on embedded.com recently, where he sang the praises of a simple, blinking

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RTOS, watchdog, LED

1 Oct, 2012
Embedded Software

ECS2012

Posted by Colin Walls

Colin Walls As I have in previous years, this week I am attending the Embedded Conference Scandinavia [ECS] in Stockholm, Sweden. This event seems to get bigger every year and is certainly for foremost embedded conference in the region. I was pleased to have two proposals for papers accepted … My two sessions cover well trodden ground: USB 3 – An Introduction for Embedded Software Developers USB is … Read More

Nucleus, ECS2012, USB, RTOS

24 Sep, 2012

Colin Walls Although I have a broad interest in embedded software, I started out in tools – compilers, debuggers etc. – and, in some ways, my loyalty still lies there. My eye was caught, therefore, by a recent report by VDC which looked at the state of the embedded software development tools market. They looked at how the market has developed and where it is going. I thought that it was interesting … Read More

Development Tools, RTOS, Nucleus

17 Sep, 2012
Embedded Software

ESC Boston

Posted by Colin Walls

Colin Walls This week I am making a flying visit to DESIGN East [a.k.a. ESC Boston] to present a couple of classes. When I say “flying”, I am not alluding to my mode of transportation, but the duration of my visit. My first paper is Wednesday afternoon and my second is lunchtime on Thursday; I fly in Wednesday morning and out again Thursday evening. I even manage to pack in some other activity while … Read More

DESIGN East, RTOS, Low Power, Nucleus

20 Aug, 2012
Embedded Software

Evaluation boards

Posted by Colin Walls

Colin Walls Just about all the embedded CPU manufacturers produce evaluation boards employing their devices with a suitable selection of peripherals.These boards are generally offered at a very reasonable price and are readily available, along with good software support from vendors like Mentor Embedded. So, what use are these boards to the embedded developer, who may be looking at the design of custom hardware? … Read More

evaluation boards, Nucleus, RTOS, Nucleus ReadyStart

6 Aug, 2012

Colin Walls Most of the time, I subscribe to the view that “the only stupid question is the one you did not ask”. However, I do have trouble with a question that I have been asked countless times at trade-shows, seminars etc. The question is “How much memory does Nucleus RTOS need?” It is not that this is a stupid question. It is very sensible to be fully aware of resource utilization with … Read More

memory footprint, Nucleus, RTOS

23 Jul, 2012
Embedded Software

Going to sleep

Posted by Colin Walls

Colin Walls Once again, I am thinking about embedded software and low power design, as I have discussed before. I still find it interesting that a characteristic of electronic devices, which until only recently would have been considered purely a hardware issue, is now very much on the agenda for software developers. The challenge now is to keep up with the capabilities provided by the chip makers … There … Read More

Low Power, Nucleus, RTOS

16 Jul, 2012

Colin Walls Last week, I attended the Embedded Developers’ Forum in Munich, Germany. This is an increasingly common type of event – a small conference, with a somewhat broad subject coverage, with multiple streams offering a greater level of specialization. In this case, there were about 4 “mini-conferences”. I was presenting in part of the Embedded Software event. Another set of streams … Read More

Nucleus, RTOS

26 Jun, 2012
Embedded Software

Power Suckers

Posted by Colin Walls

Colin Walls I have often observed that the world of embedded software is usually dominated by a small number of “fashionable” topics – technology that everybody is talking and/or concerned about. The key one just now, which I have discussed before, is the influence that software has on device power consumption. This is a topic to which I will certainly return. A number of the Mentor Embedded team … Read More

Freescale, FTF, RTOS, Low Power, Nucleus

15 Jun, 2012

Colin Walls An article by my colleague Faheem Sheikh has just been published in EE Times, which covers multicore thread synchronization. Apart from the interesting topic of the piece, it is also an opportunity to learn more about symmetric multi-processing [SMP] – an option increasingly available for real time operating systems, like Nucleus. … Read More

multi-core, Nucleus, SMP, RTOS

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