func (b *BLEClientAdaptor) ConnectHandler(p gatt.Peripheral, err error) {
fmt.Printf("\nConnected Peripheral ID:%s, NAME:(%s)\n", p.ID(), p.Name())
b.peripheral = p
if err := p.SetMTU(250); err != nil {
fmt.Printf("Failed to set MTU, err: %s\n", err)
}
ss, err := p.DiscoverServices(nil)
if err != nil {
fmt.Printf("Failed to discover services, err: %s\n", err)
return
}
for _, s := range ss {
b.services[s.UUID().String()] = NewBLEService(s.UUID().String(), s)
cs, err := p.DiscoverCharacteristics(nil, s)
if err != nil {
fmt.Printf("Failed to discover characteristics, err: %s\n", err)
continue
}
for _, c := range cs {
b.services[s.UUID().String()].characteristics[c.UUID().String()] = c
}
}
b.connected = true
close(b.ready)
}
func onPeriphDiscovered(p gatt.Peripheral, a *gatt.Advertisement, rssi int) {
fmt.Printf("\nPeripheral ID:%s, NAME:(%s)\n", p.ID(), p.Name())
fmt.Println(" Local Name =", a.LocalName)
fmt.Println(" TX Power Level =", a.TxPowerLevel)
fmt.Println(" Manufacturer Data =", a.ManufacturerData)
fmt.Println(" Service Data =", a.ServiceData)
}
func (b *BLEClientAdaptor) DiscoveryHandler(p gatt.Peripheral, a *gatt.Advertisement, rssi int) {
// try looking by local name
if a.LocalName == b.UUID() {
b.uuid = p.ID()
} else {
// try looking by ID
id := strings.ToUpper(b.UUID())
if strings.ToUpper(p.ID()) != id {
return
}
}
// Stop scanning once we've got the peripheral we're looking for.
p.Device().StopScanning()
// and connect to it
p.Device().Connect(p)
}
func onPeriphDiscovered(p gatt.Peripheral, a *gatt.Advertisement, rssi int) {
id := strings.ToUpper(flag.Args()[0])
if strings.ToUpper(p.ID()) != id {
return
}
// Stop scanning once we've got the peripheral we're looking for.
p.Device().StopScanning()
fmt.Printf("\nPeripheral ID:%s, NAME:(%s)\n", p.ID(), p.Name())
fmt.Println(" Local Name =", a.LocalName)
fmt.Println(" TX Power Level =", a.TxPowerLevel)
fmt.Println(" Manufacturer Data =", a.ManufacturerData)
fmt.Println(" Service Data =", a.ServiceData)
fmt.Println("")
p.Device().Connect(p)
}