Chris Walker's Content

#62415 Scott Hanselman just flashed a Netduino Wifi at BUILD

Posted by Chris Walker on 04 May 2015 - 12:58 AM in Netduino 3

Hey Pete,

I supplied the images for the demo app Jon wrote

It was great to see the NETMF side of Microsoft IoT represented at //build/--including in the keynote.

We'll "blame" you for the demo app images--in a "let's everyone virtually hug Pete brown" kind of way

Thanks for all your enthusiasm and support!

Chris

#62416 Scott Hanselman just flashed a Netduino Wifi at BUILD

Posted by Chris Walker on 04 May 2015 - 01:00 AM in Netduino 3

Hey neslekkim,

Anyone that can ship with reasonable prices to Europe. I kinda prefer to buy from Adafruit or Proto-Advantage since they have reasonable prices and shipping costs, compared to European resellers.

At least one of those resellers will have stock this week, with a little luck.

Amazon.com has been having some stock shortages, but we are fulfilling inventory out of at least five warehouses--so that is hopefully clearing up quickly. And we should have inventory at Amazon.ca and Amazon.co.uk soon too.

Chris

#62290 Scott Hanselman just flashed a Netduino Wifi at BUILD

Posted by Chris Walker on 29 April 2015 - 07:46 PM in Netduino 3

What was that shiny new Netduino hardware seen in the keynote?

It's not officially announced quite yet, but here's one link that you might find interesting...
http://www.netduino....3wifi/specs.htm

More to come

Stay tuned!

Chris

#62336 Scott Hanselman just flashed a Netduino Wifi at BUILD

Posted by Chris Walker on 01 May 2015 - 03:08 AM in Netduino 3

Hi Valkyrie-MT,

Sorry to spoil the surprise. I blame Hanselman. I am at BUILD this year.

No worries. It's fitting that the guy who helped inspire the new hardware helped spoiled the surprise

Did you happen to get any photos of the Netduino 3 Wi-Fi lab from BUILD? [With the new NETMF APIs, weather shield, and Azure connect the dots?]

Chris

#62335 Scott Hanselman just flashed a Netduino Wifi at BUILD

Posted by Chris Walker on 01 May 2015 - 03:06 AM in Netduino 3

Hi neslekkim,

Ah, leaving the pins, so one can add some bodgewires is ok, I think on the Go it wasn't so?
...
Also noted that VBAT is connected to VDD, so that means as long as the board is connected to power, the RTC should be fine then?

If you really want to hack it, you could certainly wire up an RTC crystal (and caps) directly to the MCU pins... But I wouldn't recommend that for the less-brave-at-heart. And yes, you could deliver power via battery--but you're really not gaining much unless the MCU is in sleep mode. [You can already keep pretty accurate time just running off of power.]

Does it exists better hires pictures of the board?, front and backside?

We can take some more photos. There are also some blog posts out there already from folks who already have a Netduino 3 Wi-Fi in hand (or photographed one from the lab at BUILD).

And there is no jtag connector?, to connect stlink or something?

Oh yes, one of the details I couldn't fit in the announcement: there are SMD pads for a MiniJTAG header on the back. That's a new standard feature, and is how we debug the boards' firmware ourselves. By putting it on the back, we were able to bring back the ICSP headers for compatibility with even more Arduino shields.

Chris

#62296 Scott Hanselman just flashed a Netduino Wifi at BUILD

Posted by Chris Walker on 30 April 2015 - 03:50 AM in Netduino 3

Hi Sukasa,

So will the cost for a netduino up here in Canada be any more reasonable going forwards?

Amazon.ca recently started carrying Netduinos--at roughly the same price as the USA. And Proto-Advantage typically sells for roughly the same price there in Canada.

If you can, please PM me more info about where you had the bad, heavily-marked-up experience... Thank you.

Does that help you out?

Chris

P.S. Some new Netduino gear will be crossing into Canada (for Amazon.ca) in two weeks.

#63770 Running a VB program -- it remembers the old serial port

Posted by Chris Walker on 04 August 2015 - 11:55 PM in Netduino Mini

Hi Dr. Who,

Regarding remembering the last used serial port--you're referring to Visual Studio, correct? The NETMF SDK plug-in for will remember the last-used deployment port unless it is manually changed.

[Unfortunately if you're using USB devices or virtual COM ports, it can also appear to have changed the port because it can't show your previously-selected port. I know...confusing. If it ever gives you trouble, just change the port selection quickly and then change it to the port you want to use.]

On the larger post: what are you building?

I assume it's not a Dalek.

Chris

#60602 RS232 Communication

Posted by Chris Walker on 02 November 2014 - 04:19 PM in Netduino Mini

Hi beerygaz,

Based on the serial dump, it looks like the Netduino Mini is booting properly. Since you are using RS232 for transport...is there any chance that your serial adapter is USB-TTL instead of USB-RS232? Or is using a non-compliant voltage swing? Or that the PC's TX pin isn't connected securely?

Chris

#60664 RS232 Advice

Posted by Chris Walker on 09 November 2014 - 01:02 AM in Netduino 2 (and Netduino 1)

Hi home-ent,

...but the second error is

The type or namespace name 'SerialPort' could not be found (are you missing a using directive or an assembly reference?)

why is the namespace not recognised?

Do you have Microsoft.SPOT.Hardware.SerialPort.dll added as an assembly reference in your project? We include this in the default Netduino templates--but if you created a project from scratch you'll want to pull this in if you're using SerialPorts.

Welcome to the Netduino community,

Chris

#60828 Revive Netduino plus 2

Posted by Chris Walker on 01 December 2014 - 08:55 PM in Netduino Plus 2 (and Netduino Plus 1)

Hi Pete,

If you hold the pushbutton while powering up your board via USB, what shows up in Device Manager? It should appear as "STM32 Device in DFU Mode" or similar.

Chris

#60849 Revive Netduino plus 2

Posted by Chris Walker on 03 December 2014 - 05:12 AM in Netduino Plus 2 (and Netduino Plus 1)

Hi Peter,

Grab a copy of the 4.3.1 firmware which comes with NetduinoUpdate:
http://forums.netdui...-firmware-v431/

Then run Netduino Update. You should see your device. Configure it as a Netduino Plus 2, if it doesn't already show up as that, and then flash it with the latest firmware. It will automatically erase-and-reflash your device to factory condition.

Does that help get you up and running?

Chris

#62602 Reset pin

Posted by Chris Walker on 11 May 2015 - 03:23 AM in Netduino Mini

Hi Dan,

If we can get NETMF 4.3 onto Netduino Plus 1 (with community support of a managed link layer driver), we can go back and upgrade Netduino Mini to NETMF 4.3 as well. Right now an upgrade for Netduino Mini is not scheduled.

Chris

#61570 Reset N2+ to firmware

Posted by Chris Walker on 09 February 2015 - 04:29 AM in Netduino Plus 2 (and Netduino Plus 1)

Hi kalio20,

You can get the factory default 4.2 firmware here:
http://forums.netdui...-v422-update-2/

Chris

#63802 reg. Visual studio 2010

Posted by Chris Walker on 06 August 2015 - 09:24 PM in General Discussion

Hi Nithin,

You can probably use VS2010 for the 4.2 firmware on the Netduino gen1/gen2 gear.

But for Netduino 3 you will need VS2013 or newer. There is a free version available for download, linked on the Downloads page.

Welcome to the Netduino community,

Chris

#63807 reg. Visual studio 2010

Posted by Chris Walker on 07 August 2015 - 02:51 AM in General Discussion

What's the difference between 'firmware' and the NETMF ?

NETMF is the runtime inside the firmware. Netduino 4.2.x firmware uses NETMF 4.2, Netduino 4.3.x firmware uses NETMF 4.3, etc.

Chris

#64185 Refreshing Bootloader of Netduino 3

Posted by Chris Walker on 23 September 2015 - 05:27 PM in Netduino 3

Hi Greg,

With Netduino gen2/gen3, we have a new streamlined procedure for updating the board.

Grab a copy of Netduino Update (included in the latest firmware over on the downloads page). Then press the button on your Netduino while powering it up via your PC's USB port. Then, in Netduino Update, select the device and press "update". This will erase and reflash the board.

If you want to completely erase the board for some other reason (native code hacking, etc.), you can also erase the board completely using ST's STDFU Tester (bundled with ST DFUSE tools).

Does that get you up and running?

Welcome to the Netduino community,

Chris

#64244 Refreshing Bootloader of Netduino 3

Posted by Chris Walker on 06 October 2015 - 01:55 AM in Netduino 3

Hi Greg,

Do you have screenshots of the procedure you're using for flashing the board via DFU? Let's focus on the ST DFU tools for now...those are the "failsafe backup" and should work regardless.

Chris

#62748 Recommended HTTP API for the future?

Posted by Chris Walker on 19 May 2015 - 07:39 PM in Netduino 3

Hi Rob,

For client, today's most powerful/best option is to use the HttpWebReqest object...or NetworkStream/SslStream.

That said, there are also some great helper libraries out there that you can use (if you prefer those over the core .NET classes).

Chris

#61593 Rebooting Netduino 2 Plus

Posted by Chris Walker on 11 February 2015 - 03:00 AM in Netduino Plus 2 (and Netduino Plus 1)

Hi bgreer5050,

Give this a try...
https://msdn.microso...y/hh401250.aspx

Chris

#64071 Reading an InterruptPort from a thread does not work!

Posted by Chris Walker on 10 September 2015 - 12:00 AM in Visual Studio

Hi shimoda,

I'm assuming that the problem here is that you're opening the same interruptport on _two_ different threads. Ports can only be instantiated once--and then they must be disposed of before they can be opened on another thread.

Of course this could be another issue. The first thing I'd try is moving the InterruptPort constructor from the variable definition to the Run function...so that you know when the port is being instantiated, and so that VS helpfully alerts you if you try opening the port twice.

Does that help get you on the right path?

Chris

#63703 RAM storage ?

Posted by Chris Walker on 29 July 2015 - 09:41 AM in Netduino 3

Hi JoopC,

You have networking running on Netduino 3 Wi-Fi, a potentially larger managed stack, etc.

We're still tuning things and we expect to be able to free up even more RAM. Enabling some of the more advanced power/memory management scenarios in the future (like turning off networking at boot) could potentially free up more RAM still.

BTW, we'll be publishing firmware next week which you can manually flash to your Netduino 3 Wi-Fi that will turn off networking and free up more memory, for applications where that is interesting.

Chris

#63251 Rain monitor with Adafruit-SSD1351 OLED display

Posted by Chris Walker on 26 June 2015 - 02:12 AM in Project Showcase

Hi maruta,

Very cool. I love the umbrella graphic! Thanks so much for sharing this with us.

And welcome to the Netduino community!

Chris

#61740 Question comparing Netduino vs Arduino

Posted by Chris Walker on 28 February 2015 - 05:54 AM in Netduino 2 (and Netduino 1)

Hi mcfd,

Bug list:
* Ethernet hangs and need to be power cycled:

Just FYI... That should be fixed with the upcoming 4.3.2 firmware (which will use Netduino.IP). Microsoft is working on several NETMF bugfixes; for that issue we went ahead and used a very large hammer

By the way, Secret Labs and many others build commercial MCU-based gear using NETMF, prototyped using Netduino. There are pros and cons to interpreted vs. native code, sandboxes vs. direct register access, etc. Every tool has its place--but I am consistently impressed with the sheer number of applications where NETMF shines.

In any case, thank you for being part of the Netduino community,

Chris

#61649 Question about usb HID

Posted by Chris Walker on 18 February 2015 - 05:50 PM in General Discussion

Hi ahmed,

You should be fine with either Netduino 1 or Netduino Plus 1. Netduino 1 is just $29.95 MSRP.

Chris

#63545 Project Boxes for Netduino?

Posted by Chris Walker on 15 July 2015 - 06:38 PM in General Discussion

Just FYI, one of our community members put together duinocases. The ones I saw looked like they were good quality cases.
http://www.duinocases.com/

And if you have access to a 3D printer, there's always thingaverse...
http://www.thingiverse.com/thing:48939

If you're using a metal case with Netduino and Wi-Fi, just make sure that the antenna portion of the board sticks _out_ of the case. Metal cages and antennas disagree.

Chris

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