private static void Spp_ReceivedData(IBluetoothSpp sender, SppReceivedDataEventArgs ReadRequestEventArgs)
{
string message = ReadRequestEventArgs.DataString;
Debug.WriteLine($"Received=>{message}");
string[] args = message.Trim().Split(' ');
if (args.Length != 0)
{
switch (args[0].ToLower())
{
// Scan for wifi networks
case "scan":
InitWiFiScan();
sender.SendString("Scanning Networks\n");
wifi.ScanAsync();
break;
// Dummy set WiFi credentials
case "wifi":
if (args.Length != 3)
{
sender.SendString("Wrong number of arguments\n");
break;
}
sender.SendString("Set Wifi credentials\n");
// Save credentials Here
break;
// Send current ESP32 native memory
case "mem":
uint totalSize, totalFreeSize, largestBlock;
NativeMemory.GetMemoryInfo(NativeMemory.MemoryType.All, out totalSize, out totalFreeSize, out largestBlock);
sender.SendString($"Native memory - total:{totalSize} Free:{totalFreeSize} largest:{largestBlock}\n");
break;
// Reboot device
case "reboot":
sender.SendString("Rebooting now\n");
Thread.Sleep(100);
Power.RebootDevice();
break;
// Some help
case "help":
sender.SendString("Help\n");
sender.SendString("-------------------------------------------\n");
sender.SendString("'scan' - Scan WiFi networks\n");
sender.SendString("'mem' - Show native free memory\n");
sender.SendString("'reboot' - Reboot device\n");
sender.SendString("'wifi ssid password' - Set WiFI credentials\n");
sender.SendString("-------------------------------------------\n");
break;
}
}
}
private static void Spp_ConnectedEvent(IBluetoothSpp sender, EventArgs e)
{
if (spp.IsConnected)
{
spp.SendString($"Welcome to Bluetooth Serial sample\n");
spp.SendString($"Send 'help' for options\n");
}
Debug.WriteLine($"Client connected:{sender.IsConnected}");
}
