During testing of the sitcore performance on the SCM20260D dev board i was unable to drive a blinking LED reliable while during HTTPS calls…
I’ve added my mock up code for the test. Remember to change mac address and add the Google Certificate
using System;
using System.Diagnostics;
using System.Threading;
using System.Net;
using System.Security.Cryptography.X509Certificates;
using GHIElectronics.TinyCLR.Devices.Gpio;
using GHIElectronics.TinyCLR.Pins;
using GHIElectronics.TinyCLR.Devices.Network;
namespace DevboardExplorer
{
internal class Program
{
static void Main()
{
Thread t = new Thread(LedRun);
t.Start();
EthernetTest();
while (true)
{
HttpsTest();
Thread.Sleep(1000);
}
}
static void LedRun()
{
var LED = GpioController.GetDefault().OpenPin(SC20260.GpioPin.PB0);
LED.SetDriveMode(GpioPinDriveMode.Output);
while (true)
{
LED.Write(GpioPinValue.High);
Thread.Sleep(200);
LED.Write(GpioPinValue.Low);
Thread.Sleep(200);
}
}
static void HttpsTest()
{
var url = "https://www.google.com";
var certificates = Resources.GetBytes(Resources.BinaryResources.googleCert);
X509Certificate[] certx509 = new X509Certificate[] { new X509Certificate(certificates) };
int read = 0, total = 0;
byte[] result = new byte[512];
try
{
using (var req = HttpWebRequest.Create(url) as HttpWebRequest)
{
req.KeepAlive = false;
req.HttpsAuthentCerts = certx509;
req.ReadWriteTimeout = 2000;
using (var res = req.GetResponse() as HttpWebResponse)
{
using (var stream = res.GetResponseStream())
{
do
{
read = stream.Read(result, 0, result.Length);
total += read;
System.Diagnostics.Debug.WriteLine("read : " + read);
System.Diagnostics.Debug.WriteLine("total : " + total);
var page = new String(System.Text.Encoding.UTF8.
GetChars(result, 0, read));
System.Diagnostics.Debug.WriteLine("Response : " + page);
Thread.Sleep(0);
}
while (read != 0);
}
}
}
}
catch
{
}
}
static bool linkReady = false;
static void EthernetTest()
{
//Reset external phy.
var gpioController = GpioController.GetDefault();
var resetPin = gpioController.OpenPin(SC20260.GpioPin.PG3);
resetPin.SetDriveMode(GpioPinDriveMode.Output);
resetPin.Write(GpioPinValue.Low);
Thread.Sleep(100);
resetPin.Write(GpioPinValue.High);
Thread.Sleep(100);
var networkController = NetworkController.FromName(SC20260.NetworkController.EthernetEmac);
var networkInterfaceSetting = new EthernetNetworkInterfaceSettings();
var networkCommunicationInterfaceSettings = new BuiltInNetworkCommunicationInterfaceSettings();
// networkInterfaceSetting.Address = new IPAddress(new byte[] { 192, 168, 1, 122 });
// networkInterfaceSetting.SubnetMask = new IPAddress(new byte[] { 255, 255, 255, 0 });
// networkInterfaceSetting.GatewayAddress = new IPAddress(new byte[] { 192, 168, 1, 1 });
networkInterfaceSetting.DnsAddresses = new IPAddress[]
{new IPAddress(new byte[] { 8, 8, 8, 8 })};
networkInterfaceSetting.MacAddress = new byte[] { 0xXX, 0xXX, 0xXX, 0xXX, 0xXX, 0xXX };
networkInterfaceSetting.DhcpEnable = true;
networkInterfaceSetting.DynamicDnsEnable = false;
networkController.SetInterfaceSettings(networkInterfaceSetting);
networkController.SetCommunicationInterfaceSettings(networkCommunicationInterfaceSettings);
networkController.SetAsDefaultController();
networkController.NetworkAddressChanged += NetworkController_NetworkAddressChanged;
networkController.NetworkLinkConnectedChanged += NetworkController_NetworkLinkConnectedChanged;
networkInterfaceSetting.TlsEntropy = new byte[] { 0, 1, 2, 3 };
networkController.Enable();
while (linkReady == false) ;
Debug.WriteLine("Network is ready to use");
//Thread.Sleep(Timeout.Infinite);
}
private static void NetworkController_NetworkLinkConnectedChanged
(NetworkController sender, NetworkLinkConnectedChangedEventArgs e)
{
//Raise connect/disconnect event.
}
private static void NetworkController_NetworkAddressChanged
(NetworkController sender, NetworkAddressChangedEventArgs e)
{
var ipProperties = sender.GetIPProperties();
var address = ipProperties.Address.GetAddressBytes();
linkReady = address[0] != 0;
Debug.WriteLine("IP: " + address[0] + "." + address[1] + "." + address[2] + "." + address[3]);
}
}
}
