func main() {
cloud, err := NewdbusWrapper("/com/devicehive/cloud", "com.devicehive.cloud")
if err != nil {
log.Panic(err)
}
ble, err := NewdbusWrapper("/com/devicehive/bluetooth", "com.devicehive.bluetooth")
ble.deviceMap = make(map[string]*deviceInfo)
if err != nil {
log.Panic(err)
}
enocean, err := NewdbusWrapper("/com/devicehive/enocean", "com.devicehive.enocean")
if err != nil {
log.Panic(err)
}
myMelody := NewMelody(ble)
ble.RegisterHandler("PeripheralDiscovered", func(args ...interface{}) {
mac := strings.ToLower(args[0].(string))
name := strings.ToLower(args[1].(string))
if _, ok := ble.scanMap[name]; ok {
if _, ok := ble.deviceMap[mac]; !ok {
log.Printf("Discovered new device [mac: %s, name: %s]", mac, name)
ble.deviceLock.Lock()
ble.deviceMap[mac] = &deviceInfo{name: name}
ble.deviceLock.Unlock()
}
}
cloud.SendNotification("PeripheralDiscovered", map[string]interface{}{
"mac": args[0].(string),
"name": args[1].(string),
"rssi": args[2].(int16),
}, 100)
})
ble.RegisterHandler("PeripheralConnected", func(args ...interface{}) {
ble.deviceLock.Lock()
if v, ok := ble.deviceMap[args[0].(string)]; ok {
ble.SendInitCommands(args[0].(string), v)
}
ble.deviceLock.Unlock()
cloud.SendNotification("PeripheralConnected", map[string]interface{}{
"mac": args[0].(string),
}, 100)
})
ble.RegisterHandler("PeripheralDisconnected", func(args ...interface{}) {
cloud.SendNotification("PeripheralDisconnected", map[string]interface{}{
"mac": args[0].(string),
}, 100)
})
enocean.RegisterHandler("message_received", func(args ...interface{}) {
log.Printf("Enocean message_received: %+v", args)
v := args[0].(string)
var res map[string]interface{}
err := json.Unmarshal([]byte(v), &res)
if err != nil {
log.Printf("Error parsing enocean response: %s", err)
return
}
state := ""
sender, ok := res["sender"].(string)
if !ok {
return
}
r1, ok := res["R1"].(map[string]interface{})
if !ok {
return
}
if int32(r1["raw_value"].(float64)) == 2 {
state = "ON"
}
if int32(r1["raw_value"].(float64)) == 3 {
state = "OFF"
}
cloud.SendNotification("EnoceanNotificationReceived", map[string]interface{}{
"sender": sender,
"state": state,
}, 1)
})
ble.RegisterHandler("NotificationReceived", func(args ...interface{}) {
uuid := strings.ToLower(args[1].(string))
mac := strings.ToLower(args[0].(string))
value := strings.ToLower(args[2].(string))
if _, ok := ble.readingsBuffer[mac]; !ok {
ble.readingsBuffer[mac] = new([]float64)
}
// f000aa11 for old sensortag, f000aa81 for new sensortag
if uuid == "f000aa1104514000b000000000000000" || uuid == "f000aa8104514000b000000000000000" {
if len(*ble.readingsBuffer[mac]) > 9 {
vS, _ := stats.VarS(*ble.readingsBuffer[mac])
cloud.SendNotification("NotificationReceived", map[string]interface{}{
"mac": mac,
"uuid": uuid,
"value": vS,
}, 1)
// log.Printf("Variance: [S: %v, P: %v]", vS, vP)
ble.readingsBuffer[mac] = new([]float64)
} else {
r := *ble.readingsBuffer[mac]
n := append(r, getAcceleration(value, uuid))
ble.readingsBuffer[mac] = &n
// log.Printf("Acceleration buffer: %v", ble.readingsBuffer[mac])
}
} else {
cloud.SendNotification("NotificationReceived", map[string]interface{}{
"mac": mac,
"uuid": uuid,
"value": value,
}, 1)
}
})
ble.RegisterHandler("IndicationReceived", func(args ...interface{}) {
cloud.SendNotification("IndicationReceived", map[string]interface{}{
"mac": args[0].(string),
"uuid": args[1].(string),
"value": args[2].(string),
}, 1)
})
cloudHandlers := make(map[string]cloudCommandHandler)
cloudHandlers["init"] = func(p map[string]interface{}) (map[string]interface{}, error) {
return nil, ble.Init(p["mac"].(string), p["type"].(string))
}
cloudHandlers["connect"] = func(p map[string]interface{}) (map[string]interface{}, error) {
t, found := p["type"] // public or random
random := false
if found {
switch {
case t.(string) == "random":
random = true
case t.(string) == "public":
random = false
default:
return nil, errors.New("Invalid type, should be random or public")
}
}
return nil, ble.BleConnect(p["mac"].(string), random)
}
cloudHandlers["scan/start"] = func(map[string]interface{}) (map[string]interface{}, error) {
return nil, ble.BleScanStart()
}
cloudHandlers["scan/stop"] = func(map[string]interface{}) (map[string]interface{}, error) {
ble.BleScanStop()
return nil, ble.BleScanStop()
}
cloudHandlers["gatt/read"] = func(p map[string]interface{}) (map[string]interface{}, error) {
return ble.BleGattRead(p["mac"].(string), p["uuid"].(string))
}
cloudHandlers["gatt/write"] = func(p map[string]interface{}) (map[string]interface{}, error) {
_, err := ble.BleGattWrite(p["mac"].(string), p["uuid"].(string), p["value"].(string))
return nil, err
}
cloudHandlers["gatt/notifications"] = func(p map[string]interface{}) (map[string]interface{}, error) {
_, err := ble.BleGattNotifications(p["mac"].(string), p["uuid"].(string), true)
return nil, err
}
cloudHandlers["gatt/notifications/stop"] = func(p map[string]interface{}) (map[string]interface{}, error) {
_, err := ble.BleGattNotifications(p["mac"].(string), p["uuid"].(string), false)
return nil, err
}
cloudHandlers["gatt/indications"] = func(p map[string]interface{}) (map[string]interface{}, error) {
_, err := ble.BleGattIndications(p["mac"].(string), p["uuid"].(string), true)
return nil, err
}
cloudHandlers["gatt/indications/stop"] = func(p map[string]interface{}) (map[string]interface{}, error) {
_, err := ble.BleGattIndications(p["mac"].(string), p["uuid"].(string), false)
return nil, err
}
cloudHandlers["play"] = func(p map[string]interface{}) (map[string]interface{}, error) {
mac := p["mac"].(string)
if !ble.BleConnected(mac) {
ble.BleConnect(mac, true)
}
return nil, myMelody.Play(mac, p["melody"].(string), int(p["bpm"].(float64)))
}
cloud.RegisterHandler("CommandReceived", func(args ...interface{}) {
id := args[0].(uint32)
command := args[1].(string)
params := args[2].(string)
var dat map[string]interface{}
b := []byte(params)
json.Unmarshal(b, &dat)
if h, ok := cloudHandlers[command]; ok {
res, err := h(dat)
if err != nil {
cloud.CloudUpdateCommand(id, fmt.Sprintf("ERROR: %s", err.Error()), nil)
} else {
cloud.CloudUpdateCommand(id, "success", res)
}
} else {
log.Printf("Unhandled command: %s", command)
}
})
// Scan for devices per
// go func() {
// for {
// ble.BleScanStart()
// time.Sleep(5 * time.Second)
// ble.BleScanStop()
// time.Sleep(10 * time.Second)
// }
// }()
go func() {
for {
for mac, _ := range ble.deviceMap {
if !ble.BleConnected(mac) {
err := ble.BleConnect(mac, false)
if err != nil {
log.Printf("Error while trying to connect: %s", err.Error())
}
}
}
time.Sleep(3 * time.Second)
}
}()
// Look for pre-configured devices
// ble.Init("68c90b047306", "cc2650 sensortag")
// ble.Init("", "satechiled-0")
// ble.Init("", "delight")
// ble.Init("", "pod")
// dashMac := "c84998f6a543"
// r, _ := ble.Connected(dashMac)
// log.Printf("BleConnected: %v", r["value"].(bool))
// ble.BleConnect(dashMac, true)
// r, _ = ble.Connected(dashMac)
// log.Printf("BleConnected: %v", r["value"].(bool))
// // time.Sleep(5 * time.Second)
// myMelody.Play(dashMac, "8cegCegCcgCceCgec", 60)
select {}
}
func main() {
// parse command-line args
confFile := ""
flag.StringVar(&confFile, "conf", "", "YAML configuration for this demo")
if !flag.Parsed() {
flag.Parse()
}
sampleConf := Conf{}
sampleConf.HeartRateSensorMac = "112233445566"
sampleConf.LedMac = "665544332211"
sampleConf.HighHeartRate = 75
sampleYaml, _ := yaml.Marshal(sampleConf)
if confFile == "" {
flag.PrintDefaults()
fmt.Fprintf(os.Stderr, "Sample config:\n")
fmt.Printf("%s", sampleYaml)
return
}
conf := Conf{}
// parse config
yamlFile, err := ioutil.ReadFile(confFile)
if err != nil {
log.Panic(err)
}
err = yaml.Unmarshal(yamlFile, &conf)
if err != nil {
log.Panic(err)
}
// set defaults
if conf.HighHeartRate == 0 {
// value above which we switch to red
conf.HighHeartRate = 80
}
if conf.LedMac == "" || conf.HeartRateSensorMac == "" {
fmt.Fprintf(os.Stderr, "LedMac or HeartRateSensorMac not set in config; sample config:\n")
fmt.Printf("%s", sampleYaml)
return
}
cloud, err := NewdbusWrapper("/com/devicehive/cloud", "com.devicehive.cloud")
if err != nil {
log.Panic(err)
}
ble, err := NewdbusWrapper("/com/devicehive/bluetooth", "com.devicehive.bluetooth")
ble.deviceMap = make(map[string]*deviceInfo)
if err != nil {
log.Panic(err)
}
enocean, err := NewdbusWrapper("/com/devicehive/enocean", "com.devicehive.enocean")
if err != nil {
log.Panic(err)
}
myMelody := NewMelody(ble)
// pulse LED based on heart rate; default of 0 disables until
// we find a heart rate sensor
heartRate := 0
ledMac := conf.LedMac
heartSensorMac := conf.HeartRateSensorMac
go func() {
for {
if heartRate > 0 && ble.BleConnected(ledMac) {
log.Printf("heartRate=%d", heartRate)
pulsePeriod := time.Duration(60*1000/heartRate) * time.Millisecond
//log.Printf("pulsePeriod=%s, full=%s, dim=%s", pulsePeriod, pulsePeriod * 2/3, pulsePeriod * 1/3)
RED := "0f0d0300ff00006400000000000067ffff"
DIMRED := "0f0d0300ff00001e00000000000021ffff"
GREEN := "0f0d030000ff006400000000000067ffff"
DIMGREEN := "0f0d030000ff001e00000000000021ffff"
if heartRate > conf.HighHeartRate {
// RED
ble.BleGattWrite(ledMac, "fff3", RED)
time.Sleep(pulsePeriod * 2 / 3)
// DIM RED
ble.BleGattWrite(ledMac, "fff3", DIMRED)
time.Sleep(pulsePeriod * 1 / 3)
} else {
// GREEN
ble.BleGattWrite(ledMac, "fff3", GREEN)
time.Sleep(pulsePeriod * 2 / 3)
// DIM GREEN
ble.BleGattWrite(ledMac, "fff3", DIMGREEN)
time.Sleep(pulsePeriod * 1 / 3)
}
} else {
time.Sleep(3 * time.Second)
}
}
}()
ble.RegisterHandler("PeripheralDiscovered", func(args ...interface{}) {
mac := strings.ToLower(args[0].(string))
name := strings.ToLower(args[1].(string))
log.Printf("Discovered new device mac: %s, name: %s", mac, name)
if _, ok := ble.scanMap[name]; ok {
if _, ok := ble.deviceMap[mac]; !ok {
log.Printf("Discovered new device [mac: %s, name: %s]", mac, name)
ble.deviceLock.Lock()
ble.deviceMap[mac] = &deviceInfo{name: name}
ble.deviceLock.Unlock()
}
}
log.Printf("PeripheralDiscovered mac=%s, name=%s", args[0].(string), args[1].(string))
cloud.SendNotification("PeripheralDiscovered", map[string]interface{}{
"mac": args[0].(string),
"name": args[1].(string),
"rssi": args[2].(int16),
}, 100)
})
ble.RegisterHandler("PeripheralConnected", func(args ...interface{}) {
ble.deviceLock.Lock()
if v, ok := ble.deviceMap[args[0].(string)]; ok {
log.Printf("sending init commands for mac=%s, name=%s", args[0].(string), v.name)
ble.SendInitCommands(args[0].(string), v)
}
ble.deviceLock.Unlock()
log.Printf("PeripheralConnected mac=%s", args[0].(string))
cloud.SendNotification("PeripheralConnected", map[string]interface{}{
"mac": args[0].(string),
}, 100)
})
ble.RegisterHandler("PeripheralDisconnected", func(args ...interface{}) {
log.Printf("PeripheralDisconnected mac=%s", args[0].(string))
cloud.SendNotification("PeripheralDisconnected", map[string]interface{}{
"mac": args[0].(string),
}, 100)
})
enocean.RegisterHandler("message_received", func(args ...interface{}) {
log.Printf("Enocean message_received: %+v", args)
v := args[0].(string)
var res map[string]interface{}
err := json.Unmarshal([]byte(v), &res)
if err != nil {
log.Printf("Error parsing enocean response: %s", err)
return
}
state := ""
sender, ok := res["sender"].(string)
if !ok {
return
}
r1, ok := res["R1"].(map[string]interface{})
if !ok {
return
}
if int32(r1["raw_value"].(float64)) == 2 {
state = "ON"
}
if int32(r1["raw_value"].(float64)) == 3 {
state = "OFF"
}
cloud.SendNotification("EnoceanNotificationReceived", map[string]interface{}{
"sender": sender,
"state": state,
}, 1)
})
ble.RegisterHandler("NotificationReceived", func(args ...interface{}) {
uuid := strings.ToLower(args[1].(string))
mac := strings.ToLower(args[0].(string))
value := strings.ToLower(args[2].(string))
log.Printf("NotificationReceived mac=%s, uuid=%s, value=%s", mac, uuid, value)
if _, ok := ble.readingsBuffer[mac]; !ok {
ble.readingsBuffer[mac] = new([]float64)
}
// f000aa11 for old sensortag, f000aa81 for new sensortag
if uuid == "f000aa1104514000b000000000000000" || uuid == "f000aa8104514000b000000000000000" {
if len(*ble.readingsBuffer[mac]) > 9 {
vS, _ := stats.VarS(*ble.readingsBuffer[mac])
cloud.SendNotification("NotificationReceived", map[string]interface{}{
"mac": mac,
"uuid": uuid,
"value": vS,
}, 1)
// log.Printf("Variance: [S: %v, P: %v]", vS, vP)
ble.readingsBuffer[mac] = new([]float64)
} else {
r := *ble.readingsBuffer[mac]
n := append(r, getAcceleration(value, uuid))
ble.readingsBuffer[mac] = &n
// log.Printf("Acceleration buffer: %v", ble.readingsBuffer[mac])
}
} else {
// heart rate measurement
if uuid == "2a37" {
heartRate = parseHRate(value)
}
cloud.SendNotification("NotificationReceived", map[string]interface{}{
"mac": mac,
"uuid": uuid,
"value": value,
}, 1)
}
})
ble.RegisterHandler("IndicationReceived", func(args ...interface{}) {
cloud.SendNotification("IndicationReceived", map[string]interface{}{
"mac": args[0].(string),
"uuid": args[1].(string),
"value": args[2].(string),
}, 1)
})
cloudHandlers := make(map[string]cloudCommandHandler)
cloudHandlers["init"] = func(p map[string]interface{}) (map[string]interface{}, error) {
return nil, ble.Init(p["mac"].(string), p["type"].(string))
}
cloudHandlers["connect"] = func(p map[string]interface{}) (map[string]interface{}, error) {
t, found := p["type"] // public or random
random := false
if found {
switch {
case t.(string) == "random":
random = true
case t.(string) == "public":
random = false
default:
return nil, errors.New("Invalid type, should be random or public")
}
}
return nil, ble.BleConnect(p["mac"].(string), random)
}
cloudHandlers["scan/start"] = func(map[string]interface{}) (map[string]interface{}, error) {
return nil, ble.BleScanStart()
}
cloudHandlers["scan/stop"] = func(map[string]interface{}) (map[string]interface{}, error) {
ble.BleScanStop()
return nil, ble.BleScanStop()
}
cloudHandlers["gatt/read"] = func(p map[string]interface{}) (map[string]interface{}, error) {
return ble.BleGattRead(p["mac"].(string), p["uuid"].(string))
}
cloudHandlers["gatt/write"] = func(p map[string]interface{}) (map[string]interface{}, error) {
_, err := ble.BleGattWrite(p["mac"].(string), p["uuid"].(string), p["value"].(string))
return nil, err
}
cloudHandlers["gatt/notifications"] = func(p map[string]interface{}) (map[string]interface{}, error) {
_, err := ble.BleGattNotifications(p["mac"].(string), p["uuid"].(string), true)
return nil, err
}
cloudHandlers["gatt/notifications/stop"] = func(p map[string]interface{}) (map[string]interface{}, error) {
_, err := ble.BleGattNotifications(p["mac"].(string), p["uuid"].(string), false)
return nil, err
}
cloudHandlers["gatt/indications"] = func(p map[string]interface{}) (map[string]interface{}, error) {
_, err := ble.BleGattIndications(p["mac"].(string), p["uuid"].(string), true)
return nil, err
}
cloudHandlers["gatt/indications/stop"] = func(p map[string]interface{}) (map[string]interface{}, error) {
_, err := ble.BleGattIndications(p["mac"].(string), p["uuid"].(string), false)
return nil, err
}
cloudHandlers["play"] = func(p map[string]interface{}) (map[string]interface{}, error) {
mac := p["mac"].(string)
if !ble.BleConnected(mac) {
ble.BleConnect(mac, true)
}
return nil, myMelody.Play(mac, p["melody"].(string), int(p["bpm"].(float64)))
}
cloud.RegisterHandler("CommandReceived", func(args ...interface{}) {
id := args[0].(uint32)
command := args[1].(string)
params := args[2].(string)
var dat map[string]interface{}
b := []byte(params)
json.Unmarshal(b, &dat)
if h, ok := cloudHandlers[command]; ok {
res, err := h(dat)
if err != nil {
cloud.CloudUpdateCommand(id, fmt.Sprintf("ERROR: %s", err.Error()), nil)
} else {
cloud.CloudUpdateCommand(id, "success", res)
}
} else {
log.Printf("Unhandled command: %s", command)
}
})
// do a single scan on startup
log.Printf("Starting scan...")
ble.BleScanStart()
time.Sleep(5 * time.Second)
log.Printf("Settling after scan...")
ble.BleScanStop()
time.Sleep(1 * time.Second)
// Scan for devices per
// go func() {
// for {
// ble.BleScanStart()
// time.Sleep(5 * time.Second)
// ble.BleScanStop()
// time.Sleep(10 * time.Second)
// }
// }()
go func() {
for {
for mac, _ := range ble.deviceMap {
if !ble.BleConnected(mac) {
log.Printf("Connecting mac=%s", mac)
err := ble.BleConnect(mac, false)
if err != nil {
log.Printf("Error while trying to connect: %s", err.Error())
}
}
}
time.Sleep(3 * time.Second)
}
}()
// Look for pre-configured devices
// ble.Init("68c90b047306", "cc2650 sensortag")
// ble.Init("", "satechiled-0")
// ble.Init("", "delight")
// ble.Init("", "pod")
// dashMac := "c84998f6a543"
// r, _ := ble.Connected(dashMac)
// log.Printf("BleConnected: %v", r["value"].(bool))
// ble.BleConnect(dashMac, true)
// r, _ = ble.Connected(dashMac)
// log.Printf("BleConnected: %v", r["value"].(bool))
// // time.Sleep(5 * time.Second)
// myMelody.Play(dashMac, "8cegCegCcgCceCgec", 60)
// prefix logs with short filename
log.SetFlags(log.Flags() | log.Lshortfile)
// connect just to this particular LED; NB: device name is actually
// SATECHILED-0
ble.Init(ledMac, "satechiled-0")
// this should connect to all LEDs of this type, but no
// PeripheralConnected is triggered in this case
//ble.Init("", "SATECHILED-0")
// reported device name is empty; looking manually at GAP's 0x2a00, it
// is "Polar H7 637B4E12"; just use polar-h7
ble.Init(heartSensorMac, "polar-h7")
select {}
}