private void Update()
{
if (CurrentState != NextState)
{
UpdateStateDelegate = null;
FinishStateDelegate?.Invoke();
FinishStateDelegate = null;
CurrentState = NextState;
StartEvents();
StartStateDelegate?.Invoke();
StartStateDelegate = null;
OnStartState?.Invoke(CurrentState);
return;
}
UpdateStateDelegate?.Invoke();
}
public bool FwUpdate(UpdateStateDelegate handler, string fileName, bool programWrite = true, bool programVerify = true, bool programStart = true, string password = "******")
{
try
{
handler?.Invoke(UpdateState.ReadHex);
byte[] buffer = new byte[MaximumBufferSize];
if (!LoadProgramFile(fileName, buffer, out uint updateBufferUsed))
{
return(false);
}
handler?.Invoke(UpdateState.Connect);
if (!Connect(password, out bool oneWireMode))
{
return(false);
}
_failureAddress = 0;
_oneWire = oneWireMode;
bool supportsCrc = DetectSupport(CommandProgramCheckCRC);
ResetCrc();
bool supportsVerify = DetectSupport(CommandProgramVerify);
string deviceRevision = ReadRevisionInfo();
if (string.IsNullOrEmpty(deviceRevision))
{
return(false);
}
if (string.Compare(deviceRevision, ValidBootloader, StringComparison.OrdinalIgnoreCase) != 0)
{
return(false);
}
string deviceSignature = ReadSignatureInfo();
if (string.IsNullOrEmpty(deviceSignature))
{
return(false);
}
string deviceName = GetDeviceName(deviceSignature);
if (string.IsNullOrEmpty(deviceName))
{
return(false);
}
long deviceFlashSize = ReadFlashSizeInfo();
if (deviceFlashSize < 0)
{
return(false);
}
if (deviceFlashSize > buffer.Length)
{
return(false);
}
if (deviceFlashSize < updateBufferUsed)
{
return(false);
}
long deviceWriteBuffer = ReadBufferSizeInfo();
if (deviceWriteBuffer < MinimumWriteBuffer)
{
return(false);
}
if (supportsCrc)
{
if (!CheckCrc())
{
return(false);
}
}
if (programWrite)
{
handler?.Invoke(UpdateState.Update);
if (!WriteFirmware(buffer, (int)updateBufferUsed, (int)deviceWriteBuffer))
{
return(false);
}
}
if (programVerify && supportsVerify)
{
handler?.Invoke(UpdateState.Verify);
if (!VerifyFirmware(buffer, (int)updateBufferUsed))
{
return(false);
}
}
if (supportsCrc)
{
if (!CheckCrc())
{
return(false);
}
}
if (programStart)
{
handler?.Invoke(UpdateState.StartFw);
if (!StartFirmware())
{
return(false);
}
}
Thread.Sleep(500);
return(true);
}
catch (Exception)
{
return(false);
}
}
