bool
IOI2CLM6x::start (
IOService* provider
)
{
IOReturn status;
fRegistersAreSaved = false;
sGetSensorValueSym = OSSymbol::withCString( "getSensorValue" );
// Start I2CDriver first...
if ( !( super::start( provider ) ) )
return( false );
nrequire( fInitHWFailed, IOI2CLM6x_start_fInitHWFailedErr );
// Create child nubs.
require_success( ( status = createChildNubs( fProvider ) ), IOI2CLM6x_start_createChildNubsErr );
// Register so others can find us with a waitForService().
registerService();
return( true );
IOI2CLM6x_start_createChildNubsErr:
IOI2CLM6x_start_fInitHWFailedErr:
freeI2CResources();
return( false );
}
OSStatus BeginSave( NavDialogRef inDialog, NavReplyRecord* outReply, FSRef* outFileRef )
{
OSStatus status = paramErr;
AEDesc dirDesc;
AEKeyword keyword;
CFIndex len;
require( outReply, Return );
require( outFileRef, Return );
status = NavDialogGetReply( inDialog, outReply );
nrequire( status, Return );
status = AEGetNthDesc( &outReply->selection, 1, typeWildCard, &keyword, &dirDesc );
nrequire( status, DisposeReply );
len = CFStringGetLength( outReply->saveFileName );
if ( dirDesc.descriptorType == typeFSRef )
{
const UInt32 kMaxNameLen = 255;
FSRef dirRef;
UniChar name[ kMaxNameLen ];
if ( len > kMaxNameLen )
{
len = kMaxNameLen;
}
status = AEGetDescData( &dirDesc, &dirRef, sizeof( dirRef ));
nrequire( status, DisposeDesc );
CFStringGetCharacters( outReply->saveFileName, CFRangeMake( 0, len ), &name[0] );
status = FSMakeFSRefUnicode( &dirRef, len, &name[0], GetApplicationTextEncoding(), outFileRef );
if (status == fnfErr )
{
// file is not there yet - create it and return FSRef
status = FSCreateFileUnicode( &dirRef, len, &name[0], 0, NULL, outFileRef, NULL );
}
else
{
// looks like file is there. Just make sure there is no error
nrequire( status, DisposeDesc );
}
}
else if ( dirDesc.descriptorType == typeFSS )
{
FSSpec theSpec;
status = AEGetDescData( &dirDesc, &theSpec, sizeof( FSSpec ));
nrequire( status, DisposeDesc );
if ( CFStringGetPascalString( outReply->saveFileName, &(theSpec.name[0]),
sizeof( StrFileName ), GetApplicationTextEncoding()))
{
status = FSpMakeFSRef(&theSpec, outFileRef);
nrequire( status, DisposeDesc );
status = FSpCreate( &theSpec, 0, 0, smSystemScript );
nrequire( status, DisposeDesc );
}
else
{
status = bdNamErr;
nrequire( status, DisposeDesc );
}
}
DisposeDesc:
AEDisposeDesc( &dirDesc );
DisposeReply:
if ( status != noErr )
{
NavDisposeReply( outReply );
}
Return:
return status;
}
