public static bool GetBool(SignalItem signal, byte[] data)
{
ulong v64 = BitConverter.ToUInt64(data, 0);
ulong mask = (ulong)1 << signal.StartBit;
return((v64 & mask) == mask);
}
public static ulong GetUInt64(SignalItem signal, byte[] data)
{
return(BitConverter.ToUInt64(data, 0));
}
public static uint GetUInt32(SignalItem signal, byte[] data)
{
ulong v64 = BitConverter.ToUInt64(data, 0);
return((uint)(v64 >> signal.StartBit));
}
public static float GetSingle(SignalItem signal, byte[] data)
{
return(BitConverter.ToSingle(data, signal.StartBit / 8));
}
/// <summary>
/// Egy signal küldése
/// </summary>
public static CanMsg MakeMessage(byte nodeTypeId, byte nodeAddress, bool broadcast, SignalItem signal, string value)
{
uint arbId = (uint)(nodeTypeId << 24 | nodeAddress << 16 | signal.Message.Id << 8);
if (broadcast)
{
arbId |= 0x1;
}
ulong mask = 0;
for (int i = 0; i < signal.Bits; i++)
{
mask |= (ulong)1 << i;
}
mask <<= signal.StartBit;
signal.Message.Value &= ~mask;
switch (signal.Type.ToUpper().Trim())
{
case "UNSIGNED":
{
ulong val = ulong.Parse(value);
signal.Message.Value |= val <<= signal.StartBit;
break;
}
case "FLOAT":
{
float val = float.Parse(value);
var bytes = BitConverter.GetBytes(val);
ulong val64 = BitConverter.ToUInt32(bytes, 0);
signal.Message.Value |= val64 <<= signal.StartBit;
break;
}
default:
{
throw new ArgumentOutOfRangeException("signal.Type");
}
}
return(new CanMsg(arbId, BitConverter.GetBytes(signal.Message.Value)));
}