func NewCountService() *gatt.Service {
n := 0
s := gatt.NewService(gatt.MustParseUUID("09fc95c0-c111-11e3-9904-0002a5d5c51b"))
s.AddCharacteristic(gatt.MustParseUUID("11fac9e0-c111-11e3-9246-0002a5d5c51b")).HandleReadFunc(
func(rsp gatt.ResponseWriter, req *gatt.ReadRequest) {
fmt.Fprintf(rsp, "count: %d", n)
n++
})
s.AddCharacteristic(gatt.MustParseUUID("16fe0d80-c111-11e3-b8c8-0002a5d5c51b")).HandleWriteFunc(
func(r gatt.Request, data []byte) (status byte) {
log.Println("Wrote:", string(data))
return gatt.StatusSuccess
})
s.AddCharacteristic(gatt.MustParseUUID("1c927b50-c116-11e3-8a33-0800200c9a66")).HandleNotifyFunc(
func(r gatt.Request, n gatt.Notifier) {
cnt := 0
for !n.Done() {
fmt.Fprintf(n, "Count: %d", cnt)
cnt++
time.Sleep(time.Second)
}
})
return s
}
func NewNanoPiBLEDemoService() *gatt.Service {
data := make([]byte, 256)
s := gatt.NewService(gatt.MustParseUUID("09fc95c0-c111-11e3-9904-0002a5d5c51b"))
s.AddCharacteristic(gatt.MustParseUUID("11fac9e0-c111-11e3-9246-0002a5d5c51b")).HandleReadFunc(
func(rsp gatt.ResponseWriter, req *gatt.ReadRequest) {
fmt.Printf("Send data to device: Hi, by NanoPi")
fmt.Printf("\n")
fmt.Fprintf(rsp, "Hi, by NanoPi")
})
c := s.AddCharacteristic(gatt.MustParseUUID("16fe0d80-c111-11e3-b8c8-0002a5d5c51b"))
c.HandleWriteFunc(
func(r gatt.Request, newData []byte) (status byte) {
for i := 0; i < len(data) && i < len(newData); i++ {
data[i] = newData[i]
}
fmt.Printf("Recv data from device: ")
for i := 0; i < len(newData); i++ {
fmt.Printf("%x ", newData[i])
}
fmt.Printf("\n")
return gatt.StatusSuccess
})
return s
}
func main() {
srv := &gatt.Server{
Name: "gophers",
Connect: func(c gatt.Conn) { log.Println("Connect: ", c) },
Disconnect: func(c gatt.Conn) { log.Println("Disconnect: ", c) },
ReceiveRSSI: func(c gatt.Conn, rssi int) { log.Println("RSSI: ", c, " ", rssi) },
Closed: func(err error) { log.Println("Server closed: ", err) },
StateChange: func(newState string) { log.Println("Server state change: ", newState) },
}
svc := srv.AddService(gatt.MustParseUUID("09fc95c0-c111-11e3-9904-0002a5d5c51b"))
n := 0
rchar := svc.AddCharacteristic(gatt.MustParseUUID("11fac9e0-c111-11e3-9246-0002a5d5c51b"))
rchar.HandleRead(
gatt.ReadHandlerFunc(
func(resp gatt.ReadResponseWriter, req *gatt.ReadRequest) {
fmt.Fprintf(resp, "count: %d", n)
n++
}),
)
wchar := svc.AddCharacteristic(gatt.MustParseUUID("16fe0d80-c111-11e3-b8c8-0002a5d5c51b"))
wchar.HandleWriteFunc(
func(r gatt.Request, data []byte) (status byte) {
log.Println("Wrote:", string(data))
return gatt.StatusSuccess
})
nchar := svc.AddCharacteristic(gatt.MustParseUUID("1c927b50-c116-11e3-8a33-0800200c9a66"))
nchar.HandleNotifyFunc(
func(r gatt.Request, n gatt.Notifier) {
go func() {
count := 0
for !n.Done() {
fmt.Fprintf(n, "Count: %d", count)
count++
time.Sleep(time.Second)
}
}()
})
log.Fatal(srv.AdvertiseAndServe())
}
func NewNanoPiBLEDemoService() *gatt.Service {
data := make([]byte, 256)
s := gatt.NewService(gatt.MustParseUUID("09fc95c0-c111-11e3-9904-0002a5d5c51b"))
s.AddCharacteristic(gatt.MustParseUUID("11fac9e0-c111-11e3-9246-0002a5d5c51b")).HandleReadFunc(
func(rsp gatt.ResponseWriter, req *gatt.ReadRequest) {
fmt.Printf("Send data to device: Hi, by NanoPi")
fmt.Printf("\n")
fmt.Fprintf(rsp, "Hi, by NanoPi")
})
c := s.AddCharacteristic(gatt.MustParseUUID("16fe0d80-c111-11e3-b8c8-0002a5d5c51b"))
c.HandleWriteFunc(
func(r gatt.Request, newData []byte) (status byte) {
for i := 0; i < len(data) && i < len(newData); i++ {
data[i] = newData[i]
}
fmt.Printf("Recv data from device: ")
for i := 0; i < len(newData); i++ {
fmt.Printf("%x ", newData[i])
}
fmt.Printf("\n")
c := string(newData[:])
fmt.Println(c)
if strings.Contains(c, "LedSwitch") {
//defer S3C2451.FreeS3C2451()
//PF2, _ := S3C2451.CreateGPIO(S3C2451.PF, 2)
//defer S3C2451.FreeGPIO(PF2)
data := PF2.Port.GetData()
if (data & (0x1 << 2)) > 0 {
PF2.GPIOFSetData(S3C2451.LOW)
} else {
PF2.GPIOFSetData(S3C2451.HIGH)
}
}
return gatt.StatusSuccess
})
return s
}
func main() {
serviceUUID := gatt.MustParseUUID("39170DC9-E537-43B0-AE6E-F7D2DE3031E0")
writeUUID := gatt.MustParseUUID("275E9963-D7E4-47A5-B43A-8BFC360F5032")
notifyUUID := gatt.MustParseUUID("77500CA7-CD0D-4FFE-88CD-07A3E8F509A5")
bleListener := blenet.NewListener(serviceUUID, writeUUID, notifyUUID)
page := `<html><body> Hi! I am a <strong>{{.Os}}/{{.Arch}}</strong> system. </body></html>`
tpl := template.Must(template.New("home").Parse(page))
http.HandleFunc("/", func(resp http.ResponseWriter, req *http.Request) {
sys := struct {
Os string
Arch string
}{
Os: runtime.GOOS,
Arch: runtime.GOARCH,
}
tpl.Execute(resp, sys)
})
s := new(http.Server)
log.Fatal(s.Serve(bleListener))
}
func main() {
srv := &gatt.Server{Name: "GopherCon2014"}
srv.Connect = func(c gatt.Conn) { log.Println("Connect: ", c) }
srv.Disconnect = func(c gatt.Conn) { log.Println("Disconnect: ", c) }
svc := srv.AddService(gatt.MustParseUUID("09fc95c0-c111-11e3-9904-0002a5d5c51b"))
rchar := svc.AddCharacteristic(gatt.MustParseUUID("11fac9e0-c111-11e3-9246-0002a5d5c51b"))
rchar.HandleReadFunc(
func(resp gatt.ReadResponseWriter, req *gatt.ReadRequest) {
tz, off := time.Now().Zone()
fmt.Fprintf(resp, "%v (%d)", tz, off/3600) // HL
})
wchar := svc.AddCharacteristic(gatt.MustParseUUID("16fe0d80-c111-11e3-b8c8-0002a5d5c51b"))
wchar.HandleWriteFunc(
func(r gatt.Request, data []byte) (status byte) {
log.Printf("Central wrote: %s", data) // HL
return gatt.StatusSuccess
})
nchar := svc.AddCharacteristic(gatt.MustParseUUID("1c927b50-c116-11e3-8a33-0800200c9a66"))
nchar.HandleNotifyFunc(
func(r gatt.Request, n gatt.Notifier) {
go func() {
tick := 0
for !n.Done() {
fmt.Fprintf(n, "Tick: %d", tick) // HL
tick++
time.Sleep(time.Second)
}
}()
})
log.Printf("Advertising service %v", svc.UUID())
log.Fatal(srv.AdvertiseAndServe())
}
func main() {
d, err := gatt.NewDevice(option.DefaultServerOptions...)
if err != nil {
log.Fatalf("Failed to open device, err: %s", err)
}
// Register optional handlers.
d.Handle(
gatt.CentralConnected(func(c gatt.Central) { fmt.Println("Connect: ", c.ID()) }),
gatt.CentralDisconnected(func(c gatt.Central) { fmt.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:
// Setup GAP and GATT services for Linux implementation.
// OS X doesn't export the access of these services.
d.AddService(service.NewGapService("Gopher")) // no effect on OS X
d.AddService(service.NewGattService()) // no effect on OS X
// A simple count service for demo.
s1 := service.NewCountService()
d.AddService(s1)
// A sensor service for demo.
sSensor := service.NewSensorService()
d.AddService(sSensor)
// A fake battery service for demo.
s2 := service.NewBatteryService()
d.AddService(s2)
// Advertise device name and service's UUIDs.
d.AdvertiseNameAndServices("Gopher", []gatt.UUID{s1.UUID(), sSensor.UUID(), s2.UUID()})
// Advertise as an OpenBeacon iBeacon
d.AdvertiseIBeacon(gatt.MustParseUUID("AA6062F098CA42118EC4193EB73CCEB6"), 1, 2, -59)
default:
}
}
d.Init(onStateChanged)
select {}
}
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 {}
}
func NewSensorService() *gatt.Service {
s := gatt.NewService(gatt.MustParseUUID("19fc95c0-c111-11e3-9904-0002a5d5c51b"))
s.AddCharacteristic(gatt.MustParseUUID("21fac9e0-c111-11e3-9246-0002a5d5c51b")).HandleReadFunc(
func(rsp gatt.ResponseWriter, req *gatt.ReadRequest) {
out, err := exec.Command("sh", "-c", "sudo /home/pi/temperature.py").Output()
if err != nil {
fmt.Fprintf(rsp, "error occured %s", err)
log.Println("Wrote: error %s", err)
} else {
stringout := string(out)
stringout = strings.TrimSpace(stringout)
fmt.Fprintf(rsp, stringout)
log.Println("Wrote:", stringout)
}
})
s.AddCharacteristic(gatt.MustParseUUID("31fac9e0-c111-11e3-9246-0002a5d5c51b")).HandleReadFunc(
func(rsp gatt.ResponseWriter, req *gatt.ReadRequest) {
out, err := exec.Command("sh", "-c", "sudo /home/pi/humidity.py").Output()
if err != nil {
fmt.Fprintf(rsp, "error occured %s", err)
log.Println("Wrote: error %s", err)
} else {
stringout := string(out)
stringout = strings.TrimSpace(stringout)
fmt.Fprintf(rsp, stringout)
log.Println("Wrote:", stringout)
}
})
s.AddCharacteristic(gatt.MustParseUUID("41fac9e0-c111-11e3-9246-0002a5d5c51b")).HandleWriteFunc(
func(r gatt.Request, data []byte) (status byte) {
log.Println("Command received")
exec.Command("sh", "-c", "sudo reboot").Output()
return gatt.StatusSuccess
})
s.AddCharacteristic(gatt.MustParseUUID("51fac9e0-c111-11e3-9246-0002a5d5c51b")).HandleWriteFunc(
func(r gatt.Request, data []byte) (status byte) {
log.Println("Command received to turn on")
exec.Command("sh", "-c", "gpio -g mode 17 out").Output()
exec.Command("sh", "-c", "gpio -g write 17 1").Output()
return gatt.StatusSuccess
})
s.AddCharacteristic(gatt.MustParseUUID("61fac9e0-c111-11e3-9246-0002a5d5c51b")).HandleWriteFunc(
func(r gatt.Request, data []byte) (status byte) {
log.Println("Command received to turn off")
exec.Command("sh", "-c", "gpio -g mode 17 out").Output()
exec.Command("sh", "-c", "gpio -g write 17 0").Output()
return gatt.StatusSuccess
})
s.AddCharacteristic(gatt.MustParseUUID("71fac9e0-c111-11e3-9246-0002a5d5c51b")).HandleWriteFunc(
func(r gatt.Request, data []byte) (status byte) {
log.Println("Command received to whistle ")
exec.Command("sh", "-c", "aplay /home/pi/whistle_blow_01.wav").Output()
return gatt.StatusSuccess
})
s.AddCharacteristic(gatt.MustParseUUID("81fac9e0-c111-11e3-9246-0002a5d5c51b")).HandleWriteFunc(
func(r gatt.Request, data []byte) (status byte) {
log.Println("Command received to turn on and whistle")
exec.Command("sh", "-c", "aplay /home/pi/whistle_blow_01.wav").Output()
exec.Command("sh", "-c", "gpio -g mode 17 out").Output()
exec.Command("sh", "-c", "gpio -g write 17 1").Output()
return gatt.StatusSuccess
})
return s
}