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156 changes: 156 additions & 0 deletions
156
DroidUltrasonicScanner/app/src/main/java/br/unisc/sisemb/ultrasonicscanner/DeviceControl.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| package br.unisc.sisemb.ultrasonicscanner | ||
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| import android.bluetooth.BluetoothGattCharacteristic | ||
| import android.bluetooth.BluetoothGattService | ||
| import android.os.IBinder | ||
| import android.content.* | ||
| import android.util.Log | ||
| import java.util.* | ||
| import android.content.ComponentName | ||
| import android.content.IntentFilter | ||
| import android.content.Intent | ||
| import android.content.BroadcastReceiver | ||
| import android.content.ServiceConnection | ||
| import android.os.Handler | ||
|
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||
|
|
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| /** | ||
| * Created by dieg0 on 11/06/2017. | ||
| */ | ||
| class DeviceControl { | ||
| var mDeviceAddress: String? = null | ||
| var mBluetoothLeService: BluetoothLeService? = null | ||
| var mGattCharacteristics = ArrayList<ArrayList<BluetoothGattCharacteristic>>() | ||
| var mConnected = false | ||
| var mNotifyCharacteristic: BluetoothGattCharacteristic? = null | ||
|
|
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| // Code to manage Service lifecycle. | ||
| val mServiceConnection = object : ServiceConnection { | ||
| override fun onServiceConnected(componentName: ComponentName, service: IBinder) { | ||
| mBluetoothLeService = (service as BluetoothLeService.LocalBinder).service | ||
| if (!mBluetoothLeService!!.initialize()) { | ||
| Log.e(TAG, "Unable to initialize Bluetooth") | ||
| } | ||
| // Automatically connects to the device upon successful start-up initialization. | ||
| mBluetoothLeService!!.connect(mDeviceAddress) | ||
| } | ||
|
|
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| override fun onServiceDisconnected(componentName: ComponentName) { | ||
| mBluetoothLeService = null | ||
| } | ||
| } | ||
|
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| // Handles various events fired by the Service. | ||
| // ACTION_GATT_CONNECTED: connected to a GATT server. | ||
| // ACTION_GATT_DISCONNECTED: disconnected from a GATT server. | ||
| // ACTION_GATT_SERVICES_DISCOVERED: discovered GATT services. | ||
| // ACTION_DATA_AVAILABLE: received data from the device. This can be a result of read | ||
| // or notification operations. | ||
| val mGattUpdateReceiver = object : BroadcastReceiver() { | ||
| override fun onReceive(context: Context, intent: Intent) { | ||
| val action = intent.action | ||
| if (BluetoothLeService.ACTION_GATT_CONNECTED == action) { | ||
| mConnected = true | ||
| } else if (BluetoothLeService.ACTION_GATT_DISCONNECTED == action) { | ||
| mConnected = false | ||
| } else if (BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED == action) { | ||
| writeInit() | ||
| val handler = Handler() | ||
| handler.postDelayed({ | ||
| registerGattServices(mBluetoothLeService!!.supportedGattServices) | ||
| }, 1000) | ||
| } else if (BluetoothLeService.ACTION_DATA_AVAILABLE == action) { | ||
| if (intent.getStringExtra(BluetoothLeService.EXTRA_DATA)!=null){ | ||
| Log.d("data", intent.getStringExtra(BluetoothLeService.EXTRA_DATA)) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private fun registerGattServices(gattServices: List<BluetoothGattService>?) { | ||
| if (gattServices == null) return | ||
| var uuid: String? = null | ||
| val unknownServiceString = "" | ||
| val unknownCharaString = "" | ||
| val gattServiceData = ArrayList<HashMap<String, String>>() | ||
| val gattCharacteristicData = ArrayList<ArrayList<HashMap<String, String>>>() | ||
| mGattCharacteristics = ArrayList<ArrayList<BluetoothGattCharacteristic>>() | ||
| // Loops through available GATT Services. | ||
| for (gattService in gattServices) { | ||
| uuid = gattService.uuid.toString() | ||
| if (uuid == CurieBleGattAttributes.SCANNER_SENSOR_SERVICE) { | ||
| val currentServiceData = HashMap<String, String>() | ||
| currentServiceData.put( | ||
| LIST_NAME, CurieBleGattAttributes.lookup(uuid, unknownServiceString)) | ||
| currentServiceData.put(LIST_UUID, uuid) | ||
| gattServiceData.add(currentServiceData) | ||
| val gattCharacteristicGroupData = ArrayList<HashMap<String, String>>() | ||
| val gattCharacteristics = gattService.characteristics | ||
| val charas = ArrayList<BluetoothGattCharacteristic>() | ||
| // Loops through available Characteristics. | ||
| for (gattCharacteristic in gattCharacteristics) { | ||
| charas.add(gattCharacteristic) | ||
| val currentCharaData = HashMap<String, String>() | ||
| uuid = gattCharacteristic.uuid.toString() | ||
| currentCharaData.put( | ||
| LIST_NAME, CurieBleGattAttributes.lookup(uuid, unknownCharaString)) | ||
| currentCharaData.put(LIST_UUID, uuid) | ||
| gattCharacteristicGroupData.add(currentCharaData) | ||
| } | ||
| mGattCharacteristics!!.add(charas) | ||
| } | ||
| } | ||
|
|
||
| if (mGattCharacteristics != null) { | ||
| val characteristic = mGattCharacteristics!![0].get(0) | ||
| val charaProp = characteristic.getProperties() | ||
| if (charaProp or BluetoothGattCharacteristic.PROPERTY_READ > 0) { | ||
| if (mNotifyCharacteristic != null) { | ||
| mBluetoothLeService!!.setCharacteristicNotification( | ||
| mNotifyCharacteristic!!, false) | ||
| mNotifyCharacteristic = null | ||
| } | ||
| mBluetoothLeService!!.readCharacteristic(characteristic) | ||
| } | ||
| if (charaProp or BluetoothGattCharacteristic.PROPERTY_NOTIFY > 0) { | ||
| mNotifyCharacteristic = characteristic | ||
| mBluetoothLeService!!.setCharacteristicNotification( | ||
| characteristic, true) | ||
| } | ||
| } | ||
|
|
||
| } | ||
|
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| companion object { | ||
| private val TAG = DeviceControl::class.java.simpleName | ||
| val LIST_NAME = "NAME" | ||
| val LIST_UUID = "LIST_UUID" | ||
| } | ||
|
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| fun makeGattUpdateIntentFilter(): IntentFilter { | ||
| val intentFilter = IntentFilter() | ||
| intentFilter.addAction(BluetoothLeService.ACTION_GATT_CONNECTED) | ||
| intentFilter.addAction(BluetoothLeService.ACTION_GATT_DISCONNECTED) | ||
| intentFilter.addAction(BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED) | ||
| intentFilter.addAction(BluetoothLeService.ACTION_DATA_AVAILABLE) | ||
| return intentFilter | ||
| } | ||
|
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| fun writeInit() { | ||
| if (mBluetoothLeService != null){ | ||
| mBluetoothLeService!!.writeCustomCharacteristic(byteArrayOf(0x02,0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x01,0x00,0x02,0x04)) | ||
| } | ||
| } | ||
|
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| fun writeBle(characteristicVal: ByteArray) { | ||
| if (mBluetoothLeService != null) { | ||
| mBluetoothLeService!!.writeCustomCharacteristic(characteristicVal) | ||
| } | ||
| } | ||
|
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| fun readBle() { | ||
| if (mBluetoothLeService != null) { | ||
| mBluetoothLeService!!.readCustomCharacteristic() | ||
| } | ||
| } | ||
| } |
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