I got everything working. I just needed to boot the Edimax and wait 60 seconds before powering up the N+2. When powering them up at the same time, the N+2 did not see the Edimax, but if I waited a minute, everything worked as advertised.

Baxter, yes I have it setup the way you described and port forwarding was not my issue. 

I got the Edimax 6258n and installed but I'm having some issues.

Here is my configuration:

• Belkin N300 Wireless Router
• No WAN connectivity
• DHCP turned off
• Static IP of 192.168.1.1

• Edimax 6258n
• Setup as Station Infrastructure as described in http://www.edimax.us...rastructure.pdf
• Static IP of 192.168.1.99

• Netduino +2
• Setup with static IP of 192.168.1.100

• Laptop PC
• connected to Belkin N300 wifi
• Static IP of 192.168.1.29

My PC application uses a socket connection to talk to the Netduino on port 9999 and 9998. This works fine in a hard wired environment.  In this environment, I can ping the IP addresses of all the devices, but when I go to establish a socket connection I get an error saying "No connection can be made because the target machine actively refused it."

I tried configuring the Port Forwarding feature of the Edimax, but that did not seem to work either.

Does anyone have an idea on how to get the Edimax to allow tcp/ip traffic on designated ports?

Baxter,

If I could use the USB port, it would make things easier. So I will now go down the path you suggest.

-Capel

Could I use a male to male USB cable to power the Edimax BR-6258n NANO via the N+2 if I have a battery providing power to the N+2?

Hi cce1911,
 

In each project, go to project properties (right-click on the project name, select the "properties" menu option).

Then change the "Target Framework" from NETMF 4.3 to NETMF 4.2. It will probably close the window for you when you do this, to save the changes.

Then change the target framework back to NETMF 4.3.

Repeat the above for each project. If there are forty, it may take you 15 minutes. Tedious and no fun, but it should change everything from 'pre-production 4.3' to 'production 4.3.1' for you.

Now

Chris,

I just wanted to let you know that I was able to resolve my problem by compiling the toolbox with the 4.3.1 code.

-Capel

Thanks for the quick reply Chris. Do I also need to change the AssemblyVersion in AssemblyInfo.cs?

I have downloaded the source, but I'm not real sure how to upgrade it to 4.3.1. Do I have to change the target framework on all 40 projects? Do I have to manually edit the AssemblyInfo files and change AssemblyVersion("4.3.1.0")?

I've upgraded to vs2012, .netmf 4.3 and flashed the firmware successfully. I've upgraded my projects and their references to the 4.3 dlls, but when I go to deploy my programs the I'm getting errors with the .net microframework toolbox. I downloaded the 4.3 DLLs but I'm getting the following.

CW2, thanks for your response. I made the changes you suggested and still had a problem. Then I realized that I had not tied the 3v button cell ground to the NP2 ground. Once I did that, everything seems to work just fine.

I'm seeing some odd behavior for what should be a simple project. Maybe I'm missing something and someone can point out the error of my ways?

What I'm trying to do is capture a sensor input. To test my code I've simulated the sensor with a simple momentary push button. See the schematic attached.

The problem is when I push one button, it triggers the interrupt for the other buttons. Here is my code:

public class Program2        {        static DateTime dtLastPress;        static int intBounceWait = 200;        public static void Main()            {            InterruptPort ipT1 = new InterruptPort(Pins.GPIO_PIN_D0, false, Port.ResistorMode.PullDown, Port.InterruptMode.InterruptEdgeLow);            ipT1.OnInterrupt += T_OnInterruptT1;            InterruptPort ipT2 = new InterruptPort(Pins.GPIO_PIN_D1, false, Port.ResistorMode.PullDown, Port.InterruptMode.InterruptEdgeLow);            ipT2.OnInterrupt += T_OnInterruptT2;            InterruptPort ipT3 = new InterruptPort(Pins.GPIO_PIN_D2, false, Port.ResistorMode.PullDown, Port.InterruptMode.InterruptEdgeLow);            ipT3.OnInterrupt += T_OnInterruptT3;            InterruptPort ipT4 = new InterruptPort(Pins.GPIO_PIN_D3, false, Port.ResistorMode.PullDown, Port.InterruptMode.InterruptEdgeLow);            ipT3.OnInterrupt += T_OnInterruptT4;            Thread.Sleep(Timeout.Infinite);            }        static void T_OnInterruptT1(uint data1, uint data2, DateTime time)            {            if (dtLastPress.AddMilliseconds(intBounceWait) > time)  // prevent bounce                {                Debug.Print("T1 = bounce wait");                return; // prevent bounce                }            dtLastPress = time;            RecordPress(1, time);            }        static void T_OnInterruptT2(uint data1, uint data2, DateTime time)            {            if (dtLastPress.AddMilliseconds(intBounceWait) > time)  // prevent bounce                {                Debug.Print("T2 = bounce wait");                return; // prevent bounce                }            dtLastPress = time;            RecordPress(2, time);            }        static void T_OnInterruptT3(uint data1, uint data2, DateTime time)            {            if (dtLastPress.AddMilliseconds(intBounceWait) > time)  // prevent bounce                {                Debug.Print("T3 = bounce wait");                return; // prevent bounce                }            dtLastPress = time;            RecordPress(3, time);            }        static void T_OnInterruptT4(uint data1, uint data2, DateTime time)            {            if (dtLastPress.AddMilliseconds(intBounceWait) > time)  // prevent bounce                {                Debug.Print("T4 = bounce wait");                return; // prevent bounce                }            dtLastPress = time;            RecordPress(4, time);            }        static void RecordPress(int intTarget, DateTime time)            {            Debug.Print("T" + intTarget.ToString() + " = " + DateTime.Now.ToString("MM/dd/yy H:mm:ss.fff"));            }        }

If I run the code and press the buttons in order (T1, T2, T3, T4) I get the following output:

Paul,

Thanks for this very informative post. I was trying to avoid adding 9 components to my system, but based on your observations, that may be unavoidable. Given this, would MOSFETs be a better choice than Darlington pairs?

-Capel

So I have gotten my shift register to work with my N+2, but the lasers I'm trying to drive require 300mA of current each. So to drive 9 of these, I need almost 3A at 2.5 - 4.5 vdc.  This is way too much for the N+2 and the 74HC595. I've been looking at some transistor arrays, but I'm not sure how to wire them. Can anyone point me to a circuit that uses this 8ch Darlington Sink driver(or something similar)?

When I finally took the time to figure out how the breakout board was wired to the IC, it became more obvious how to wire it up. Thanks for all your help!

Thanks for the reply Grant. Yes, I figured this out myself after you pointed me in the right direction.

Grant,

Ok, I have wired SER_IN to pin 11

L_CLOCK to pin 10

/OE to gnd

/reset to Vcc

But there is one more pin on the breakout board, (CLOCK) that I'm not sure what to do with. Please see my wiring diagram. I would like to control each LED seperately.

Thanks Grant, I'll check this out when I get back from my out-of-town trip!

Can someone point me to an example of using this breakout board with the Netduino?

https://www.sparkfun.../products/10680

I would like to use the .Net Microframework Toolbox, but it's not obvious to me how to wire it up.

I have a N+2 driving 2 stepper motors with the Sparkfun Easydriver. I have wired up several external buttons

InterruptPort ipT1 = new InterruptPort(Pins.GPIO_PIN_D0, false, Port.ResistorMode.Disabled, Port.InterruptMode.InterruptEdgeLow);ipT1.OnInterrupt += Target_OnInterruptT1;InterruptPort ipT2 = new InterruptPort(Pins.GPIO_PIN_D1, false, Port.ResistorMode.Disabled, Port.InterruptMode.InterruptEdgeLow);ipT2.OnInterrupt += Target_OnInterruptT2;

?

Here are my event handlers

        static void Target_OnInterruptT1(uint data1, uint data2, DateTime time)            {            if (dtLastHit.AddMilliseconds(intBounceWait) > time) return; // prevent bounce            dtLastHit = time;            Debug.Print("Hit T1 = " + DateTime.Now.ToString("MM/dd/yy H:mm:ss.fff"));            }        static void Target_OnInterruptT2(uint data1, uint data2, DateTime time)            {            if (dtLastHit.AddMilliseconds(intBounceWait) > time) return; // prevent bounce            dtLastHit = time;            Debug.Print("Hit T2 = " + DateTime.Now.ToString("MM/dd/yy H:mm:ss.fff"));            }

My problem is that when I press button T1 it randomly executes Target_OnInterruptT2 or Target_OnInterruptT1. No rhyme or reason. The same thing happens if I press button T2.

What is odd is that I've used this same exact board with 5 buttons, in the past, and had no problems. Any idea what is happening? I thought it might be EMI from the Easy driver, but I still get the same behavior even if I disconnect power to the stepper motors.

I'm scratching my head...

I used the DS1307 real time clock from Adafruit: http://www.adafruit.com/products/264

http://msdn.microsof...y/ee434782.aspx

socket.listen(backlog)

backlog = The maximum number of incoming connections that can be queued for acceptance. Try

serverSocket.Listen(10);

Val, thanks for the reply. I've decided to start a new log file at 25k, but I will give Debug.GC a try.

-Capel

In my N+2 app, I log things to a text file for later debugging. I use this code in a function:

using (var filestream = new FileStream(@"SDrunlog.txt",FileMode.Append))                    {                    StreamWriter streamWriter = new StreamWriter(filestream);                    streamWriter.WriteLine(DateTime.Now.ToString("MM/dd/yy H:mm:ss.fff") + ": " + strMsg);                    streamWriter.Close();                    //Debug.Print(DateTime.Now.ToString("MM/dd/yy H:mm:ss.fff") + ": " + strMsg);                    }

When my log file gets over 33k I get a failed allocation error when creating the new streamwriter:

StreamWriter streamWriter = new StreamWriter(filestream);

Any idea on what is causing this and how to avoid it?  

Zero, so far I have only tested with a single client.

It looks like this wiring diagram may have been for the N+: http://netmftoolbox....ailable classes

The N+2 has pins SC and SD. When I wired my RTC to these pins, everything worked.