public byte[] GetUnconfirmedDataUpMessage()
{
byte[] mhbr = new byte[] { 0x40 };
byte[] devAddr = this.LoRaDevice.GetDevAddr();
Array.Reverse(devAddr);
byte[] fCtrl = new byte[] { 0x80 };
// byte[] _FCnt = new byte[] { 0x00, 0x00 };
this._fCnt[0]++;
List <MacCommand> fopts = null;
byte[] fPort = new byte[] { 0x01 };
// Creating a random number
// Random random = new Random();
// int temp = random.Next(-50, 70);
this.IncrementalData++;
Logger.LogAlways(this.LoRaDevice.DevEUI, $"Simulated data: {this.IncrementalData.ToString()}");
byte[] payload = Encoding.ASCII.GetBytes(this.IncrementalData.ToString());
Array.Reverse(payload);
// 0 = uplink, 1 = downlink
int direction = 0;
LoRaPayloadData standardData = new LoRaPayloadData((LoRaMessageType)mhbr[0], devAddr, fCtrl, this._fCnt, fopts, fPort, payload, direction);
// Need to create Fops. If not, then MIC won't be correct
standardData.Fopts = new byte[0];
// First encrypt the data
standardData.PerformEncryption(this.LoRaDevice.AppSKey);
// "0A501524F8EA5FCBF9BDB5AD7D126F75");
// Now we have the full package, create the MIC
standardData.SetMic(this.LoRaDevice.NwkSKey);
// "99D58493D1205B43EFF938F0F66C339E");
return(standardData.GetByteMessage());
}
public byte[] GetUnconfirmedDataUpMessage()
{
byte[] _mhbr = new byte[] { 0x40 };
byte[] _devAddr = LoRaDevice.GetDevAddr();
Array.Reverse(_devAddr);
byte[] _FCtrl = new byte[] { 0x80 };
// byte[] _FCnt = new byte[] { 0x00, 0x00 };
_FCnt[0]++;
byte[] _Fopts = null;
byte[] _FPort = new byte[] { 0x01 };
// Creating a random number
Random random = new Random();
int temp = random.Next(-50, 70);
Logger.Log(LoRaDevice.DevAddr, $"Simulated data: {temp.ToString()}", Logger.LoggingLevel.Always);
byte[] _payload = Encoding.ASCII.GetBytes(temp.ToString());
Array.Reverse(_payload);
// 0 = uplink, 1 = downlink
int direction = 0;
LoRaPayloadData standardData = new LoRaPayloadData(_mhbr, _devAddr, _FCtrl, _FCnt, _Fopts, _FPort, _payload, direction);
// Need to create Fops. If not, then MIC won't be correct
standardData.Fopts = new byte[0];
// First encrypt the data
standardData.PerformEncryption(LoRaDevice.AppSKey); //"0A501524F8EA5FCBF9BDB5AD7D126F75");
// Now we have the full package, create the MIC
standardData.SetMic(LoRaDevice.NwkSKey); //"99D58493D1205B43EFF938F0F66C339E");
return(standardData.GetByteMessage());
}
byte[] CreateUnconfirmedDataUpMessage(string data, byte fport = 1)
{
byte[] mhbr = new byte[] { 0x40 };
byte[] devAddr = ConversionHelper.StringToByteArray(LoRaDevice.DevAddr);
Array.Reverse(devAddr);
byte[] fCtrl = new byte[] { 0x80 };
// byte[] _FCnt = new byte[] { 0x00, 0x00 };
fCnt[0]++;
byte[] fopts = null;
byte[] fPort = new byte[] { fport };
TestLogger.Log($"{LoRaDevice.DeviceID}: Simulated data: {data}");
byte[] payload = Encoding.UTF8.GetBytes(data);
Array.Reverse(payload);
// 0 = uplink, 1 = downlink
int direction = 0;
LoRaPayloadData standardData = new LoRaPayloadData((LoRaPayloadData.MType)mhbr[0], devAddr, fCtrl, fCnt, fopts, fPort, payload, direction);
// Need to create Fops. If not, then MIC won't be correct
standardData.Fopts = new byte[0];
// First encrypt the data
standardData.PerformEncryption(LoRaDevice.AppSKey); //"0A501524F8EA5FCBF9BDB5AD7D126F75");
// Now we have the full package, create the MIC
standardData.SetMic(LoRaDevice.NwkSKey); //"99D58493D1205B43EFF938F0F66C339E");
return(standardData.GetByteMessage());
}
public void TestConfirmedDataUp()
{
byte[] mhdr = new byte[1];
mhdr[0] = 128;
byte[] devAddr = new byte[4]
{
4, 3, 2, 1
};
byte[] fctrl = new byte[1] {
0
};
byte[] fcnt = new byte[2]
{
0, 0
};
byte[] fport = new byte[1]
{
10
};
byte[] frmPayload = new byte[4]
{
4, 3, 2, 1
};
var nwkkey = new byte[16] {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
};
var appkey = new byte[16] {
16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1
};
LoRaPayloadData lora = new LoRaPayloadData(MType.ConfirmedDataUp, devAddr, fctrl, fcnt, null, fport, frmPayload, 0);
lora.PerformEncryption(ConversionHelper.ByteArrayToString(appkey));
byte[] testEncrypt = new byte[4]
{
226, 100, 212, 247
};
Assert.Equal(testEncrypt, lora.Frmpayload.ToArray());
lora.SetMic(ConversionHelper.ByteArrayToString(nwkkey));
byte[] testMic = new byte[4]
{
181, 106, 14, 117
};
Assert.Equal(testMic, lora.Mic.ToArray());
var mess = lora.GetByteMessage();
lora.ChangeEndianess();
Assert.Equal(mess, lora.RawMessage);
//TODO
}
