//---------------------------------------------------------------------
// FindLoader()
//---------------------------------------------------------------------
public static void FindLoader( clsDevice pobjDevice, clsSerialPort pobjPort , clsDownloadSettings pobjSettings, int iTabLevel, ref bool pbResult )
{
int iDeviceIdFound = -1;
bool bGetResponseResult = false;
bool bPortWasOpened = false;
pbResult = false;
//-----------------------------------------------------------------
// Test-mode
//-----------------------------------------------------------------
if ( bTestMode == true ) {
iFWVerMaj = iTestVerMaj;
iFWVerMin = iTestVerMin;
iFWVerRev = iTestVerRev;
iDeviceIdFound = iTestDeviceID;
//return true;
//-----------------------------------------------------------------
// Real-mode
//-----------------------------------------------------------------
} else {
int iVerMaj = 0, iVerMinRev = 0;
int iTimeIdReceived = 0;
OnDownloading( new clsDownloadingEventArgs(clsDownloadingEventArgs.EventType.info, "Searching for bl ", iTabLevel) );
//--------------------------------------------------------------------------
// Open port if not open
//--------------------------------------------------------------------------
if ( pobjPort.isOpen == false ) {
pobjPort.Open();
if ( pobjPort.isOpen == false ) {
OnDownloading( new clsDownloadingEventArgs(clsDownloadingEventArgs.EventType.error, "Failed to open port", iTabLevel) );
return;
}
bPortWasOpened = true;
}
// Empty buffers prior to hello command incase there's some crap
pobjPort.EmptyBuffers( true, false );
//--------------------------------------------------------------------------
// Send hello to bootloader
//--------------------------------------------------------------------------
bool bDeviceIDReceived = false;
{
int iLastSend = Environment.TickCount - pobjSettings.polltime;
int iLastPoll = Environment.TickCount - pobjSettings.polltime;
int iStartTime = Environment.TickCount;
bool bByteReceived = false;
bool bTimedOut = false;
do {
// Check first byte, discard if null
if ( Environment.TickCount - iLastPoll >= pobjSettings.polltime/10) {
iLastPoll = Environment.TickCount;
if ( bByteReceived == false && pobjPort.inBufferCount > 0 ) {
bByteReceived = true;
iDeviceIdFound = GetResponse( pobjPort, ref bGetResponseResult );
if ( bGetResponseResult == false ) {
if ( bPortWasOpened == true ) pobjPort.Close();
return;
}
if ( iDeviceIdFound == 0 ) {
OnDownloading( new clsDownloadingEventArgs(clsDownloadingEventArgs.EventType.info, "(discarded null byte)", -1) );
} else {
bDeviceIDReceived = true;
iTimeIdReceived = Environment.TickCount;
break;
}
}
}
// Send hello
if ( Environment.TickCount - iLastSend >= pobjSettings.polltime ) {
iLastSend = Environment.TickCount;
pobjPort.SendByte( cHello );
OnDownloading( new clsDownloadingEventArgs(clsDownloadingEventArgs.EventType.info, ". ", -1) );
}
// Check for timeout
bTimedOut = ( Environment.TickCount - iStartTime >= pobjSettings.timeout );
// Handle message queue
Application.DoEvents();
} while (
bAbort == false &&
bTimedOut == false &&
(bByteReceived == false || pobjPort.inBufferCount == 0)
);
if ( bAbort == true ) {
OnDownloading( new clsDownloadingEventArgs(clsDownloadingEventArgs.EventType.error, "aborted", -1) );
bAbort = false;
if ( bPortWasOpened == true ) pobjPort.Close();
return;
} else if ( bTimedOut == true ) {
OnDownloading( new clsDownloadingEventArgs(clsDownloadingEventArgs.EventType.error, "timed out", -1) );
if ( bPortWasOpened == true ) pobjPort.Close();
return;
}
}
//--------------------------------------------------------------------------
// Read device id
//--------------------------------------------------------------------------
if ( bDeviceIDReceived == false ) {
iDeviceIdFound = GetResponse( pobjPort, ref bGetResponseResult );
if ( bGetResponseResult == false ) {
iTimeIdReceived = Environment.TickCount;
if ( bPortWasOpened == true ) pobjPort.Close();
return;
}
}
//--------------------------------------------------------------------------
// Delay to receive firmware version if any
//--------------------------------------------------------------------------
int iTime = 1 + 30000 / pobjPort.baudrate;
while ( Environment.TickCount - iTimeIdReceived < iTime && pobjPort.inBufferCount < 3 ) {
}
//--------------------------------------------------------------------------
// Firmware doesn´t send version, assume 0.9.4
//--------------------------------------------------------------------------
if ( pobjPort.inBufferCount == 1 ) {
iFWVerMaj = 0;
iFWVerMin = 9;
iFWVerRev = 4;
//--------------------------------------------------------------------------
// Firmware that sends major and minor
//--------------------------------------------------------------------------
} else if ( pobjPort.inBufferCount == 2 ) {
iVerMaj = GetResponse( pobjPort, ref bGetResponseResult );
if ( bGetResponseResult == false ) {
if ( bPortWasOpened == true ) pobjPort.Close();
return;
}
iFWVerMaj = ( (iVerMaj & 0x70) >> 4 );
iFWVerMin = ( iVerMaj & 0xF );
iFWVerRev = 0;
//--------------------------------------------------------------------------
// Firmware that sends major, minor and revision
//--------------------------------------------------------------------------
} else if ( pobjPort.inBufferCount == 3 ) {
iVerMaj = GetResponse( pobjPort, ref bGetResponseResult );
if ( bGetResponseResult == false ) {
if ( bPortWasOpened == true ) pobjPort.Close();
return;
}
iVerMinRev = GetResponse( pobjPort, ref bGetResponseResult );
if ( bGetResponseResult == false ) {
if ( bPortWasOpened == true ) pobjPort.Close();
return;
}
iFWVerMaj = ( iVerMaj & 0x7F );
iFWVerMin = ( (iVerMinRev & 0xF0) >> 4 );
iFWVerRev = ( iVerMinRev & 0xF );
}
//--------------------------------------------------------------------------
// PIC18 indicated by msb in fw ver major
//--------------------------------------------------------------------------
if ( (iVerMaj & 0x80) > 0 ) {
iDeviceIdFound += 300;
}
}//Test-/real-mode
//--------------------------------------------------------------------------
// Find device from device id
//--------------------------------------------------------------------------
clsDevice objFoundDevice = clsDevices.DeviceGet( iDeviceIdFound );
//--------------------------------------------------------------------------
// Invalid ID returned
//--------------------------------------------------------------------------
if ( objFoundDevice == null ) {
OnDownloading( new clsDownloadingEventArgs(clsDownloadingEventArgs.EventType.error, "Found unknown device id(" + iDeviceIdFound.ToString() + ") fw ver. " + iFWVerMaj.ToString() + "." + iFWVerMin.ToString() + "." + iFWVerRev.ToString(), iTabLevel) );
if ( bPortWasOpened == true ) pobjPort.Close();
return;
}
//--------------------------------------------------------------------------
// Bootloader found
//--------------------------------------------------------------------------
OnDownloading( new clsDownloadingEventArgs(clsDownloadingEventArgs.EventType.success, "Found " + objFoundDevice.name + " fw ver. " + iFWVerMaj.ToString() + "." + iFWVerMin.ToString() + "." + iFWVerRev.ToString(), iTabLevel) );
//--------------------------------------------------------------------------
// Different device found from choosen
//--------------------------------------------------------------------------
if ( objFoundDevice.id != pobjDevice.id ) {
OnDownloading(new clsDownloadingEventArgs(clsDownloadingEventArgs.EventType.error, "Wrong pic detected(" + objFoundDevice.id.ToString() + ")/selected(" + pobjDevice.id.ToString() + "), aborting", iTabLevel));
if ( bPortWasOpened == true ) pobjPort.Close();
return;
}
pbResult = true;
// Close port if it was openeed
if ( bPortWasOpened == true ) {
pobjPort.Close();
}
}
