public static byte[] GenerateFakeBytes(int time, ComponentMapping mapping)
{
byte[] startNoise = { 0xA, 0xB, 0xC, 0xFF, 0xFF };
byte[] startCode = { 0xFD, 0xFF, 0xFF, 0xFF, 0xFF };
byte[] endCode = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF };
byte[] endNoise = { 0x0D, 0x0E, 0x0F, 0xFF, 0xFF };
Random random = new Random();
byte[] timeValue = BitConverter.GetBytes(time);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(timeValue);
}
byte[] btime = new byte[1 + timeValue.Length];
btime[0] = 0xC9;
Array.Copy(timeValue, 0, btime, 1, timeValue.Length);
byte stateValue = (byte)random.Next(0, 9);
byte[] bstate = { 0xC8, stateValue };
byte[] bauto = { 0xCA, (byte)random.Next(0, 1) };
List <byte[]> payload = new List <byte[]>
{
btime,
bstate
//bauto
};
foreach (MeasuredComponent c in mapping.MeasuredComponents())
{
byte[] sensor = new byte[1 + c.ByteSize];
byte[] value = new byte[0];
switch (c)
{
case PressureComponent pt:
value = BitConverter.GetBytes((short)random.Next(400, 1900));
break;
case TemperatureComponent tc:
value = BitConverter.GetBytes((short)random.Next(short.MinValue, short.MaxValue));
break;
case LoadComponent load:
value = BitConverter.GetBytes((short)random.Next(0, 2124));
break;
case LevelComponent tank:
value = BitConverter.GetBytes((short)random.Next(0, (int)tank.Total + 1));
break;
case ServoComponent servo:
ushort randServoVal = (ushort)random.Next(0, ushort.MaxValue);
value = BitConverter.GetBytes(randServoVal);
break;
case SimpleComponent simple:
ushort randServoTargetVal = (ushort)random.Next(0, ushort.MaxValue);
value = BitConverter.GetBytes(randServoTargetVal);
break;
case SolenoidComponent solenoid:
value = BitConverter.GetBytes((short)random.Next(0, 2));
break;
case VoltageComponent battery:
value = BitConverter.GetBytes((ushort)random.Next(12, 14));
break;
case StackHealthComponent stack:
value = new [] { (byte)random.Next(0, 8) };
break;
}
if (BitConverter.IsLittleEndian)
{
Array.Reverse(value);
}
sensor[0] = c.BoardID;
Array.Copy(value, 0, sensor, 1, value.Length);
payload.Add(sensor);
}
ushort payloadLength = (ushort)payload.SelectMany((byte[] arg) => arg).ToArray().Length;
byte[] header = new byte[4];
header[0] = 0;
header[1] = 0;
byte[] payloadLengthBytes = BitConverter.GetBytes(payloadLength);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(payloadLengthBytes);
}
Array.Copy(payloadLengthBytes, 0, header, 2, 2);
payload.Insert(0, startNoise);
payload.Insert(1, startCode);
payload.Insert(2, header);
payload.Add(endCode);
payload.Add(endNoise);
byte[] buffer = payload.SelectMany((byte[] arg) => arg).ToArray();
return(buffer);
}
