eating sendFeatureReport" );

			receiveReport = dev.receiveFeatureReport( 0xAA ).catch( sendLoopError );
			if( !receiveReport ) sendLoopError( "error creating receiveReport" );

			frameNo++;

			const updateStatsPerfPer = 4;
			if( frameNo % updateStatsPerfPer == 0 )
			{
				let thisTime = performance.now();
				let deltaTime = thisTime - lastTime;
				let kBsec = (255*1000/1024*updateStatsPerfPer)/(deltaTime);
				let xActionSec = (2*updateStatsPerfPer*1000)/(deltaTime);
				kBsecAvg = kBsecAvg * 0.9 +