func NewConnection(file string, callback uvr1611.PacketCallback) *gpio {
pin, err := InitGPIO(file)
if err != nil {
log.Fatal(err)
}
packetReceiver := uvr1611.NewPacketReceiver()
packetDecoder := uvr1611.NewPacketDecoder(packetReceiver)
byteDecoder := uvr.NewByteDecoder(packetDecoder, uvr.NewTimeout(488.0, 0.4))
syncDecoder := uvr1611.NewSyncDecoder(byteDecoder, byteDecoder, uvr.NewTimeout(488.0*2, 0.4))
signal := uvr.NewSignal(syncDecoder)
pin_callback := func(pin embd.DigitalPin) {
value, read_err := pin.Read()
if read_err != nil {
fmt.Println(read_err)
} else {
signal.Consume(big.Word(value))
}
}
packetReceiver.RegisterCallback(func(packet uvr1611.Packet) {
if callback != nil {
callback(packet)
}
// Stop watching the pin and let other threads do their job
pin.StopWatching()
syncDecoder.Reset()
byteDecoder.Reset()
packetDecoder.Reset()
// Rewatch after 10 seconds again
time.AfterFunc(30*time.Second, func() {
pin.Watch(embd.EdgeBoth, pin_callback)
if err != nil {
log.Fatal("Could not watch pin.", err)
}
})
})
err = pin.Watch(embd.EdgeBoth, pin_callback)
if err != nil {
log.Fatal("Could not watch pin.", err)
}
return &gpio{
pin: pin,
}
}
func (r *replay) sendPacket() {
packetReceiver := uvr1611.NewPacketReceiver()
packetDecoder := uvr1611.NewPacketDecoder(packetReceiver)
byteDecoder := uvr.NewByteDecoder(packetDecoder, uvr.NewTimeout(488.0, 0.2))
syncDecoder := uvr1611.NewSyncDecoder(byteDecoder, byteDecoder, uvr.NewTimeout(488.0*2, 0.3))
interrupt := uvr.NewEdgeInterrupt(syncDecoder)
replayer := uvr.NewReplayer(interrupt)
packetReceiver.RegisterCallback(func(packet uvr1611.Packet) {
r.callback(packet)
syncDecoder.Reset()
byteDecoder.Reset()
packetDecoder.Reset()
})
err := replayer.Replay(r.filePath)
if err != nil {
log.Fatal("Could not replay file.", err)
}
}