private void HandleAccelTagStats(MyTag tag) { double alpha = accelInfo.alpha; // Get value from filter // todo this causes exception if (accelInfo.filterChkd) { //alpha = tbarLPFilter.Value; alpha = alpha / 100.0; if (alpha > 1 || alpha < 0) { alpha = 0.2; Trace.WriteLine("alpha out of bounds"); } } else { alpha = 0.0; } double xac, yac, zac; // First work with the scaled values xac = tag.GetAccel("x"); yac = tag.GetAccel("y"); zac = tag.GetAccel("z"); currentX = currentX * alpha + xac * (1 - alpha); currentY = currentY * alpha + yac * (1 - alpha); currentZ = currentZ * alpha + zac * (1 - alpha); // Now work with the raw adc values xac = tag.GetRawAccel("x"); yac = tag.GetRawAccel("y"); zac = tag.GetRawAccel("z"); if (xac > xMax) xMax = xac; if (yac > yMax) yMax = yac; if (zac > zMax) zMax = zac; if (xac < xMin) xMin = xac; if (yac < yMin) yMin = yac; if (zac < zMin) zMin = zac; deltaX = xMax - xMin; deltaY = yMax - yMin; deltaZ = zMax - zMin; }