package option
import (
"github.com/currantlabs/gatt"
"github.com/currantlabs/gatt/linux/cmd"
)
var DefaultClientOptions = []gatt.Option{
gatt.LnxMaxConnections(1),
gatt.LnxDeviceID(-1, true),
}
var DefaultServerOptions = []gatt.Option{
gatt.LnxMaxConnections(1),
gatt.LnxDeviceID(-1, true),
gatt.LnxSetAdvertisingParameters(&cmd.LESetAdvertisingParameters{
AdvertisingIntervalMin: 0x00f4,
AdvertisingIntervalMax: 0x00f4,
AdvertisingChannelMap: 0x7,
}),
}
func main() {
flag.Parse()
d, err := gatt.NewDevice(
gatt.LnxMaxConnections(*mc),
gatt.LnxDeviceID(*dev, *chk),
gatt.LnxSetAdvertisingParameters(&cmd.LESetAdvertisingParameters{
AdvertisingIntervalMin: 0x00f4,
AdvertisingIntervalMax: 0x00f4,
AdvertisingChannelMap: 0x07,
}),
)
if err != nil {
log.Printf("Failed to open device, err: %s", err)
return
}
// Register optional handlers.
d.Handle(
gatt.CentralConnected(func(c gatt.Central) { log.Println("Connect: ", c.ID()) }),
gatt.CentralDisconnected(func(c gatt.Central) { log.Println("Disconnect: ", c.ID()) }),
)
// A mandatory handler for monitoring device state.
onStateChanged := func(d gatt.Device, s gatt.State) {
fmt.Printf("State: %s\n", s)
switch s {
case gatt.StatePoweredOn:
// Get bdaddr with LnxSendHCIRawCommand()
bdaddr(d)
// Setup GAP and GATT services.
d.AddService(service.NewGapService(*name))
d.AddService(service.NewGattService())
// Add a simple counter service.
s1 := service.NewCountService()
d.AddService(s1)
// Add a simple counter service.
s2 := service.NewBatteryService()
d.AddService(s2)
uuids := []gatt.UUID{s1.UUID(), s2.UUID()}
// If id is zero, advertise name and services statically.
if *id == time.Duration(0) {
d.AdvertiseNameAndServices(*name, uuids)
break
}
// If id is non-zero, advertise name and services and iBeacon alternately.
go func() {
for {
// Advertise as a RedBear Labs iBeacon.
d.AdvertiseIBeacon(gatt.MustParseUUID("5AFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"), 1, 2, -59)
time.Sleep(*id)
// Advertise name and services.
d.AdvertiseNameAndServices(*name, uuids)
time.Sleep(*ii)
}
}()
default:
}
}
d.Init(onStateChanged)
select {}
}