コード例 #1
0
ファイル: discoverer.go プロジェクト: sjenning/gatt
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)
}
コード例 #2
0
ファイル: main.go プロジェクト: carlware/mio
func getServiceById(p gatt.Peripheral, serviceId Gid, name string) *gatt.Service {
	serv, err := p.DiscoverServices(serviceId.asUUID())
	if (err != nil) || (len(serv) == 0) {
		log.Fatalf("%s service not found", name)
	}
	return serv[0]
}
コード例 #3
0
ファイル: explorer.go プロジェクト: nikhilbharat/gatt
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)
}
コード例 #4
0
ファイル: main.go プロジェクト: carlware/mio
func onPeriphDiscovered(p gatt.Peripheral, a *gatt.Advertisement, rssi int) {
	if strings.ToUpper(p.ID()) != strings.ToUpper(baseDeviceId) {
		return
	}

	// Stop scanning once we've got the peripheral we're looking for.
	p.Device().StopScanning()

	if len(p.Name()) > 0 {
		log.Println("Device found: ", p.Name())
	} else {
		log.Println("Device found")
	}
	log.Println("	Local Name        =", a.LocalName)
	log.Println("	TX Power Level    =", a.TxPowerLevel)
	log.Println("	Manufacturer Data =", a.ManufacturerData)
	log.Println("	Service Data      =", a.ServiceData)

	p.Device().Connect(p)
}
コード例 #5
0
ファイル: main.go プロジェクト: carlware/mio
func checkBatteryLevel(p gatt.Peripheral) {
	// battery has its Id from bt standarts
	serv := getServiceById(p, SERVICE_BATTERY, "Battery")

	log.Printf("Battery found (service=%s)\n", serv.UUID().String())

	// Get battery level characteristic
	cs, err := p.DiscoverCharacteristics(CHAR_BATTERY.asUUID(), serv)
	if err != nil || len(cs) == 0 {
		log.Fatal("Failed to discover battery characteristics, err: %s\n", err)
	}

	var btrchr *gatt.Characteristic

	// read current battery level
	btrchr = cs[0]
	val, err := p.ReadCharacteristic(btrchr)
	if err != nil {
		log.Println("Error reading battery level: ", err)
	}
	log.Printf("Battery level: %d%%\n", val[0])

	// setup notification on battery level
	if (btrchr.Properties() & (gatt.CharNotify | gatt.CharIndicate)) != 0 {
		bnf := func(c *gatt.Characteristic, b []byte, err error) {
			log.Printf("Battery level: %d%%\n", b[0])
		}
		if err := p.SetNotifyValue(btrchr, bnf); err != nil {
			log.Fatal("Failed to subscribe battery characteristic, err: %s\n", err)
		}
	}
	close(done)
}
コード例 #6
0
ファイル: main.go プロジェクト: sjenning/rpi-thermostat
func onPeriphDiscovered(p gatt.Peripheral, a *gatt.Advertisement, rssi int) {
	if !strings.Contains(a.LocalName, "SensorTag") {
		return
	}

	// Stop scanning once we've got the peripheral we're looking for.
	p.Device().StopScanning()

	log.Printf("\nPeripheral ID:%s, NAME:(%s)\n", p.ID(), p.Name())
	log.Println("  Local Name        =", a.LocalName)
	log.Println("  TX Power Level    =", a.TxPowerLevel)
	log.Println("  Manufacturer Data =", a.ManufacturerData)
	log.Println("  Service Data      =", a.ServiceData)
	log.Println("")

	p.Device().Connect(p)
}
コード例 #7
0
ファイル: explorer.go プロジェクト: nikhilbharat/gatt
func onPeriphConnected(p gatt.Peripheral, err error) {
	fmt.Println("Connected")
	defer p.Device().CancelConnection(p)

	// Discovery services
	ss, err := p.DiscoverServices(nil)
	if err != nil {
		fmt.Printf("Failed to discover services, err: %s\n", err)
		return
	}

	for _, s := range ss {
		msg := "Service: " + s.UUID().String()
		if len(s.Name()) > 0 {
			msg += " (" + s.Name() + ")"
		}
		fmt.Println(msg)

		// Discovery characteristics
		cs, err := p.DiscoverCharacteristics(nil, s)
		if err != nil {
			fmt.Printf("Failed to discover characteristics, err: %s\n", err)
			continue
		}

		for _, c := range cs {
			msg := "  Characteristic  " + c.UUID().String()
			if len(c.Name()) > 0 {
				msg += " (" + c.Name() + ")"
			}
			msg += "\n    properties    " + c.Properties().String()
			fmt.Println(msg)

			// Read the characteristic, if possible.
			if (c.Properties() & gatt.CharRead) != 0 {
				b, err := p.ReadCharacteristic(c)
				if err != nil {
					fmt.Printf("Failed to read characteristic, err: %s\n", err)
					continue
				}
				fmt.Printf("    value         %x | %q\n", b, b)
			}

			// Discovery descriptors
			ds, err := p.DiscoverDescriptors(nil, c)
			if err != nil {
				fmt.Printf("Failed to discover descriptors, err: %s\n", err)
				continue
			}

			for _, d := range ds {
				msg := "  Descriptor      " + d.UUID().String()
				if len(d.Name()) > 0 {
					msg += " (" + d.Name() + ")"
				}
				fmt.Println(msg)

				// Read descriptor (could fail, if it's not readable)
				b, err := p.ReadDescriptor(d)
				if err != nil {
					fmt.Printf("Failed to read descriptor, err: %s\n", err)
					continue
				}
				fmt.Printf("    value         %x | %q\n", b, b)
			}
		}
		fmt.Println()
	}
}
コード例 #8
0
ファイル: main.go プロジェクト: carlware/mio
func onPeriphConnected(p gatt.Peripheral, err error) {
	log.Println("Connection ok")
	defer p.Device().CancelConnection(p)

	checkBatteryLevel(p)
}
コード例 #9
0
ファイル: explorer.go プロジェクト: sjenning/gatt
func onPeriphConnected(p gatt.Peripheral, err error) {
	fmt.Println("Connected")
	defer p.Device().CancelConnection(p)

	if err := p.SetMTU(500); err != nil {
		fmt.Printf("Failed to set MTU, err: %s\n", err)
	}

	// Discovery services
	ss, err := p.DiscoverServices(nil)
	if err != nil {
		fmt.Printf("Failed to discover services, err: %s\n", err)
		return
	}

	for _, s := range ss {
		msg := "Service: " + s.UUID().String()
		if len(s.Name()) > 0 {
			msg += " (" + s.Name() + ")"
		}
		fmt.Println(msg)

		// Discovery characteristics
		cs, err := p.DiscoverCharacteristics(nil, s)
		if err != nil {
			fmt.Printf("Failed to discover characteristics, err: %s\n", err)
			continue
		}

		for _, c := range cs {
			msg := "  Characteristic  " + c.UUID().String()
			if len(c.Name()) > 0 {
				msg += " (" + c.Name() + ")"
			}
			msg += "\n    properties    " + c.Properties().String()
			fmt.Println(msg)

			// Read the characteristic, if possible.
			if (c.Properties() & gatt.CharRead) != 0 {
				b, err := p.ReadCharacteristic(c)
				if err != nil {
					fmt.Printf("Failed to read characteristic, err: %s\n", err)
					continue
				}
				fmt.Printf("    value         %x | %q\n", b, b)
			}

			// Discovery descriptors
			ds, err := p.DiscoverDescriptors(nil, c)
			if err != nil {
				fmt.Printf("Failed to discover descriptors, err: %s\n", err)
				continue
			}

			for _, d := range ds {
				msg := "  Descriptor      " + d.UUID().String()
				if len(d.Name()) > 0 {
					msg += " (" + d.Name() + ")"
				}
				fmt.Println(msg)

				// Read descriptor (could fail, if it's not readable)
				b, err := p.ReadDescriptor(d)
				if err != nil {
					fmt.Printf("Failed to read descriptor, err: %s\n", err)
					continue
				}
				fmt.Printf("    value         %x | %q\n", b, b)
			}

			// Subscribe the characteristic, if possible.
			if (c.Properties() & (gatt.CharNotify | gatt.CharIndicate)) != 0 {
				f := func(c *gatt.Characteristic, b []byte, err error) {
					fmt.Printf("notified: % X | %q\n", b, b)
				}
				if err := p.SetNotifyValue(c, f); err != nil {
					fmt.Printf("Failed to subscribe characteristic, err: %s\n", err)
					continue
				}
			}

		}
		fmt.Println()
	}

	fmt.Printf("Waiting for 5 seconds to get some notifiations, if any.\n")
	time.Sleep(5 * time.Second)
}
コード例 #10
0
ファイル: main.go プロジェクト: sjenning/rpi-thermostat
func onPeriphConnected(p gatt.Peripheral, err error) {
	log.Println("Connected")
	peripheral = p

	err = p.SetMTU(500)
	if err != nil {
		log.Printf("Failed to set MTU, err: %s\n", err)
	}

	uuid, err := gatt.ParseUUID("f000aa00-0451-4000-b000-000000000000")
	if err != nil {
		log.Printf("Failed to create UUID, err: %s\n", err)
		return
	}

	ss, err := p.DiscoverServices(nil)
	if err != nil {
		log.Printf("Failed to discover IR sensor service, err: %s\n", err)
		return
	}

	var s *gatt.Service
	for _, s = range ss {
		if s.UUID().Equal(uuid) {
			break
		}
	}

	cs, err := p.DiscoverCharacteristics(nil, s)
	if err != nil {
		log.Printf("Failed to discover characteristics, err: %s\n", err)
		return
	}

	for _, c := range cs {
		_, err = p.DiscoverDescriptors(nil, c)
		if err != nil {
			log.Printf("Failed to discover descriptors, err: %s\n", err)
			return
		}
	}

	data := cs[0]
	config := cs[1]
	samplerate := cs[2]

	// Turn on notifications
	err = p.SetNotifyValue(data, handleTempNotification)
	if err != nil {
		log.Printf("Failed to write config characteristics, err: %s\n", err)
		return
	}

	// Set sample rate
	err = p.WriteCharacteristic(samplerate, []byte{0xFF}, false)
	if err != nil {
		log.Printf("Failed to write samplerate characteristics, err: %s\n", err)
		return
	}

	// Start sensors
	err = p.WriteCharacteristic(config, []byte{0x01}, false)
	if err != nil {
		log.Printf("Failed to write config characteristics, err: %s\n", err)
		return
	}
}