func (rs *ReaderSuite) TestReadGesture(c *C) {
header := &EventHeader{}
gopack.Unpack(rs.blankValue[:4], header)
log.Printf("T %+v", header)
c.Assert(header.Id, Equals, uint8(0x91))
dataHeader := &DataHeader{}
gopack.Unpack(rs.blankValue[4:8], dataHeader)
log.Printf("T %+v", dataHeader)
c.Assert(dataHeader.DataMask, Equals, uint16(0x1f))
c.Assert(dataHeader.DataMask&1, Equals, uint16(1))
c.Assert(dataHeader.DataMask&2, Equals, uint16(2))
c.Assert(dataHeader.DataMask&4, Equals, uint16(4))
c.Assert(dataHeader.DataMask&8, Equals, uint16(8))
c.Assert(dataHeader.DataMask&16, Equals, uint16(16))
log.Printf("len %d", len(rs.blankValue))
}
func (r *Reader) buildGestureEvent(buf []byte, n int) {
g := NewGestureData()
gopack.Unpack(buf[:4], g.Event)
gopack.Unpack(buf[4:8], g.DataHeader)
// var for offset
offset := 8
// is this a duplicate event
if int(g.Event.Seq) == r.currentSeq {
return
}
r.currentSeq = int(g.Event.Seq)
// grab the DSPIfo
if g.DataHeader.DataMask&DSPIfoFlag == DSPIfoFlag {
offset += 2
}
// grab the GestureInfo
if g.DataHeader.DataMask&GestureInfoFlag == GestureInfoFlag {
gopack.Unpack(buf[offset:offset+4], g.Gesture)
g.Gesture.GestureVal = g.Gesture.GestureVal & uint32(0xff)
offset += 4
}
// grab the TouchInfo
if g.DataHeader.DataMask&TouchInfoFlag == TouchInfoFlag {
gopack.Unpack(buf[offset:offset+4], g.Touch)
offset += 4
}
// grab the AirWheelInfo
if g.DataHeader.DataMask&AirWheelInfoFlag == AirWheelInfoFlag {
gopack.Unpack(buf[offset:offset+2], g.AirWheel)
offset += 2
}
// grab the CoordinateInfo
if g.DataHeader.DataMask&CoordinateInfoFlag == CoordinateInfoFlag {
gopack.Unpack(buf[offset:offset+6], g.Coordinates)
offset += 6
}
r.log.Debugf("Gesture: %s, Airwheel: %d, Touch: %s", g.Gesture.Name(), g.AirWheel.AirWheelVal, g.Touch.Name())
// XXX: TODO: If we haven't read anything else... just ignore it for now as it's some other kind of message
if offset > 8 {
go r.onGesture(g)
}
}
func (rs *ReaderSuite) TestReadGestureTwo(c *C) {
header := &EventHeader{}
gopack.Unpack(rs.gestureVal[:4], header)
log.Printf("header %+v", header)
c.Assert(header.Id, Equals, uint8(0x91))
dataHeader := &DataHeader{}
gopack.Unpack(rs.gestureVal[4:8], dataHeader)
log.Printf("dataHeader %+v", dataHeader)
c.Assert(dataHeader.DataMask, Equals, uint16(0x11f))
c.Assert(dataHeader.DataMask&1, Equals, uint16(1))
// var for offset
offset := 8
// grab the DSPIfo
if dataHeader.DataMask&DSPIfoFlag == DSPIfoFlag {
offset += 2
}
// grab the GestureInfo
if dataHeader.DataMask&GestureInfoFlag == GestureInfoFlag {
gestureInfo := &GestureInfo{}
gopack.Unpack(rs.gestureVal[offset:offset+4], gestureInfo)
log.Printf("gesture %d", gestureInfo.GestureVal&0xff)
offset += 4
}
// SKIP 4 bytes
// grab the TouchInfo
if dataHeader.DataMask&TouchInfoFlag == TouchInfoFlag {
touchInfo := &TouchInfo{}
gopack.Unpack(rs.gestureVal[offset:offset+4], touchInfo)
log.Printf("touchInfo %v", touchInfo)
offset += 4
}
// grab the AirWheelInfo
if dataHeader.DataMask&AirWheelInfoFlag == AirWheelInfoFlag {
airWheelInfo := &AirWheelInfo{}
gopack.Unpack(rs.gestureVal[offset:offset+2], airWheelInfo)
log.Printf("airWheelInfo %v", airWheelInfo)
offset += 2
}
// grab the CoordinateInfo
if dataHeader.DataMask&CoordinateInfoFlag == CoordinateInfoFlag {
coordinateInfo := &CoordinateInfo{}
gopack.Unpack(rs.gestureVal[offset:offset+6], coordinateInfo)
log.Printf("coordinateInfo %v", coordinateInfo)
offset += 6
}
c.Assert(dataHeader.DataMask&2, Equals, uint16(2))
c.Assert(dataHeader.DataMask&4, Equals, uint16(4))
c.Assert(dataHeader.DataMask&8, Equals, uint16(8))
c.Assert(dataHeader.DataMask&16, Equals, uint16(16))
}