public static PowerUsageHistory Constructor()
{
PowerUsageHistory str = new PowerUsageHistory();
str.values = new int[120];
return(str);
}
void UpdatePowerMonitor()
{
if (!powerMonitorActive || communicator.ActiveDevice.Item1 == null)
{
return;
}
var r = communicator.SendCommand("powerhistory");
powerHistory = PowerUsageHistory.FromByteArray(r);
FindViewById <TextView>(Resource.Id.textViewCurrentPower).SetText($"Current Power Draw: {powerHistory.values[0]} Watt", TextView.BufferType.Normal);
UpdatePowerMonitorChart();
}
public static PowerUsageHistory FromByteArray(byte[] bytes)
{
PowerUsageHistory str = Constructor();
int size = Marshal.SizeOf(str);
if (bytes.Length != size)
{
throw new ArgumentException($"Wrong size of byte array. Expecdey: {size}, actual {bytes.Length}.");
}
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.Copy(bytes, 0, ptr, size);
str = (PowerUsageHistory)Marshal.PtrToStructure(ptr, str.GetType());
Marshal.FreeHGlobal(ptr);
return(str);
}
