Implement UART module

2026-01-04 15:24:19 +01:00 · 2021-12-31 12:23:26 +01:00
parent ab4014bf64
commit 8d9e2cc22e
29 changed files with 373 additions and 32 deletions
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -60,6 +60,7 @@ dependencies {
    implementation project(':profile_hts')
    implementation project(':profile_prx')
    implementation project(':profile_rscs')
+    implementation project(':profile_uart')

    implementation project(":lib_theme")
    implementation project(":lib_utils")
--- a/app/src/main/java/no/nordicsemi/android/nrftoolbox/HomeScreen.kt
+++ b/app/src/main/java/no/nordicsemi/android/nrftoolbox/HomeScreen.kt
@@ -5,11 +5,9 @@ import android.os.ParcelUuid
 import androidx.activity.OnBackPressedCallback
 import androidx.activity.compose.BackHandler
 import androidx.activity.compose.LocalOnBackPressedDispatcherOwner
-import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -31,6 +29,7 @@ import no.nordicsemi.android.hts.view.HTSScreen
 import no.nordicsemi.android.prx.view.PRXScreen
 import no.nordicsemi.android.rscs.view.RSCSScreen
 import no.nordicsemi.android.theme.view.CloseIconAppBar
+import no.nordicsemi.android.uart.view.UARTScreen
 import no.nordicsemi.ui.scanner.navigation.view.FindDeviceScreen

@Composable
@@ -104,6 +103,18 @@ internal fun HomeScreen() {
                CGMScreen { goHome() }
            }
        }
+        composable(NavDestination.CGMS.id) {
+            FindDeviceScreen(ParcelUuid(NavDestination.CGMS.uuid)) {
+                deviceHolder.onDeviceSelected(it)
+                CGMScreen { goHome() }
+            }
+        }
+        composable(NavDestination.UART.id) {
+            FindDeviceScreen(ParcelUuid(NavDestination.UART.uuid)) {
+                deviceHolder.onDeviceSelected(it)
+                UARTScreen { goHome() }
+            }
+        }
    }
 }

@@ -236,6 +247,21 @@ fun HomeView(callback: (NavDestination) -> Unit) {
            }

            Spacer(modifier = Modifier.height(16.dp))
+
+            Row(horizontalArrangement = Arrangement.SpaceEvenly) {
+                Box(
+                    modifier = Modifier
+                        .weight(1f)
+                        .fillMaxSize(),
+                    contentAlignment = Alignment.Center
+                ) {
+                    FeatureButton(
+                        R.drawable.ic_uart, R.string.uart_module,
+                        R.string.uart_module_full
+                    ) { callback(NavDestination.UART) }
+                }
+                Spacer(modifier = Modifier.width(16.dp))
+            }
        }
    }
 }
--- a/app/src/main/java/no/nordicsemi/android/nrftoolbox/NavDestination.kt
+++ b/app/src/main/java/no/nordicsemi/android/nrftoolbox/NavDestination.kt
@@ -2,12 +2,13 @@ package no.nordicsemi.android.nrftoolbox

 import no.nordicsemi.android.bps.repository.BPS_SERVICE_UUID
 import no.nordicsemi.android.cgms.repository.CGMS_SERVICE_UUID
-import no.nordicsemi.android.csc.service.CYCLING_SPEED_AND_CADENCE_SERVICE_UUID
+import no.nordicsemi.android.csc.repository.CYCLING_SPEED_AND_CADENCE_SERVICE_UUID
 import no.nordicsemi.android.gls.repository.GLS_SERVICE_UUID
 import no.nordicsemi.android.hrs.service.HR_SERVICE_UUID
-import no.nordicsemi.android.hts.service.HT_SERVICE_UUID
+import no.nordicsemi.android.hts.repository.HT_SERVICE_UUID
 import no.nordicsemi.android.prx.service.PRX_SERVICE_UUID
 import no.nordicsemi.android.rscs.service.RSCS_SERVICE_UUID
+import no.nordicsemi.android.uart.repository.UART_SERVICE_UUID
 import java.util.*

 const val ARGS_KEY = "args"
@@ -21,5 +22,6 @@ enum class NavDestination(val id: String, val uuid: UUID?, val pairingRequired:
    BPS("bps-screen", BPS_SERVICE_UUID, false),
    PRX("prx-screen", PRX_SERVICE_UUID, true),
    RSCS("rscs-screen", RSCS_SERVICE_UUID, false),
-    CGMS("cgms-screen", CGMS_SERVICE_UUID, false);
+    CGMS("cgms-screen", CGMS_SERVICE_UUID, false),
+    UART("uart-screen", UART_SERVICE_UUID, false);
 }
--- a/app/src/main/res/drawable/ic_cgm.xml
+++ b/app/src/main/res/drawable/ic_cgm.xml
@@ -1,9 +1,24 @@
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--- a/app/src/main/res/drawable/ic_rscs.xml
+++ b/app/src/main/res/drawable/ic_rscs.xml
@@ -1,7 +1,18 @@
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+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M54.9,666.5h87.5c10.5,0 19,-8.5 19,-19s-8.5,-19 -19,-19H54.9c-10.5,0 -19,8.5 -19,19S44.4,666.5 54.9,666.5z" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M54.9,782.2H239c10.5,0 19,-8.5 19,-19s-8.5,-19 -19,-19H54.9c-10.5,0 -19,8.5 -19,19S44.4,782.2 54.9,782.2z" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M364.3,859.9H54.9c-10.5,0 -19,8.5 -19,19s8.5,19 19,19h309.4c10.5,0 19,-8.5 19,-19S374.8,859.9 364.3,859.9z" />
 </vector>
--- a/app/src/main/res/drawable/ic_uart.xml
+++ b/app/src/main/res/drawable/ic_uart.xml
@@ -0,0 +1,51 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="80dp"
+    android:height="80dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M267.4,472.8m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M349.3,472.8m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M431.1,472.8m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M513,472.8m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M594.9,472.8m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M676.7,472.8m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M758.6,472.8m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M306.5,545m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M388.4,545m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M470.2,545m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M552.1,545m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M634,545m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M715.9,545m-22.3,0a22.3,22.3 0,1 1,44.6 0a22.3,22.3 0,1 1,-44.6 0" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M806.3,759.8H219.7c-30.7,0 -59.9,-9.8 -84.4,-28.2c-24.5,-18.5 -42,-43.8 -50.5,-73.3L6.6,387c-8.9,-30.8 -2.9,-63.1 16.4,-88.7S71.7,258 103.7,258h818.5c32,0 61.5,14.7 80.7,40.3c19.3,25.6 25.2,57.9 16.4,88.7l-78.1,271.3c-8.5,29.5 -26,54.9 -50.5,73.3C866.2,750 837,759.8 806.3,759.8zM103.7,315c-14,0 -26.8,6.4 -35.2,17.6c-8.4,11.2 -11,25.3 -7.1,38.7l78.1,271.3c10.2,35.5 43.2,60.3 80.1,60.3h586.7c37,0 69.9,-24.8 80.1,-60.3l78.1,-271.3c3.9,-13.4 1.3,-27.5 -7.1,-38.7c-8.4,-11.2 -21.2,-17.6 -35.2,-17.6H103.7z" />
+    <path
+        android:fillColor="#00B3DC"
+        android:pathData="M766.2,648.4H259.8c-18.5,0 -36.2,-5.3 -51.1,-15.5c-15.3,-10.4 -26.2,-24.8 -31.6,-41.6c-0.1,-0.4 -0.2,-0.7 -0.3,-1.1l-37.2,-146.5c-5.1,-16.7 -2.1,-34.5 8.4,-48.9c11.7,-16 31,-25.5 51.8,-25.5h626.5c20.8,0 40.1,9.5 51.8,25.5c10.5,14.4 13.6,32.2 8.4,48.9l-37.2,146.5c-0.1,0.4 -0.2,0.7 -0.3,1.1c-5.4,16.8 -16.3,31.2 -31.6,41.6C802.4,643.1 784.7,648.4 766.2,648.4zM213.5,580.3c5.9,17.8 24.9,30.2 46.4,30.2h506.4c21.4,0 40.4,-12.4 46.4,-30.2l37.2,-146.4c0.1,-0.4 0.2,-0.7 0.3,-1.1c2.2,-6.8 -0.3,-12.2 -2.7,-15.5c-4.5,-6.2 -12.4,-9.9 -21.1,-9.9H199.8c-8.7,0 -16.5,3.7 -21.1,9.9c-2.4,3.3 -4.9,8.7 -2.7,15.5c0.1,0.4 0.2,0.7 0.3,1.1L213.5,580.3z" />
+</vector>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -15,4 +15,6 @@
    <string name="prx_module_full">Proximity</string>
    <string name="cgm_module">CGMS</string>
    <string name="cgm_module_full">Continuous Glucose</string>
+    <string name="uart_module">UART</string>
+    <string name="uart_module_full">Serial port over BLE</string>
 </resources>
--- a/profile_csc/src/main/AndroidManifest.xml
+++ b/profile_csc/src/main/AndroidManifest.xml
@@ -7,7 +7,7 @@
    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />

    <application>
-        <service android:name=".service.CSCService" />
+        <service android:name=".repository.CSCService" />
    </application>

 </manifest>
--- a/profile_csc/src/main/java/no/nordicsemi/android/csc/repository/CSCManager.kt
+++ b/profile_csc/src/main/java/no/nordicsemi/android/csc/repository/CSCManager.kt
@@ -19,7 +19,7 @@
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
-package no.nordicsemi.android.csc.service
+package no.nordicsemi.android.csc.repository

 import android.bluetooth.BluetoothDevice
 import android.bluetooth.BluetoothGatt
@@ -30,7 +30,7 @@ import androidx.annotation.FloatRange
 import no.nordicsemi.android.ble.common.callback.csc.CyclingSpeedAndCadenceMeasurementDataCallback
 import no.nordicsemi.android.ble.data.Data
 import no.nordicsemi.android.csc.data.CSCDataHolder
-import no.nordicsemi.android.csc.service.CSCMeasurementParser.parse
+import no.nordicsemi.android.csc.repository.CSCMeasurementParser.parse
 import no.nordicsemi.android.csc.view.CSCSettings
 import no.nordicsemi.android.log.LogContract
 import no.nordicsemi.android.service.BatteryManager
--- a/profile_csc/src/main/java/no/nordicsemi/android/csc/repository/CSCMeasurementParser.kt
+++ b/profile_csc/src/main/java/no/nordicsemi/android/csc/repository/CSCMeasurementParser.kt
@@ -19,7 +19,7 @@
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
-package no.nordicsemi.android.csc.service
+package no.nordicsemi.android.csc.repository

 import no.nordicsemi.android.ble.data.Data

--- a/profile_csc/src/main/java/no/nordicsemi/android/csc/repository/CSCService.kt
+++ b/profile_csc/src/main/java/no/nordicsemi/android/csc/repository/CSCService.kt
@@ -1,4 +1,4 @@
-package no.nordicsemi.android.csc.service
+package no.nordicsemi.android.csc.repository

 import dagger.hilt.android.AndroidEntryPoint
 import no.nordicsemi.android.csc.data.CSCDataHolder
--- a/profile_csc/src/main/java/no/nordicsemi/android/csc/view/CSCScreen.kt
+++ b/profile_csc/src/main/java/no/nordicsemi/android/csc/view/CSCScreen.kt
@@ -10,7 +10,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.hilt.navigation.compose.hiltViewModel
 import no.nordicsemi.android.csc.R
 import no.nordicsemi.android.csc.data.CSCData
-import no.nordicsemi.android.csc.service.CSCService
+import no.nordicsemi.android.csc.repository.CSCService
 import no.nordicsemi.android.csc.viewmodel.CSCViewModel
 import no.nordicsemi.android.theme.view.BackIconAppBar
 import no.nordicsemi.android.utils.isServiceRunning
--- a/profile_hts/src/main/AndroidManifest.xml
+++ b/profile_hts/src/main/AndroidManifest.xml
@@ -3,7 +3,7 @@
    package="no.nordicsemi.android.hts">

    <application>
-        <service android:name=".service.HTSService" />
+        <service android:name=".repository.HTSService" />
    </application>

 </manifest>
--- a/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSDateTimeParser.kt
+++ b/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSDateTimeParser.kt
@@ -19,7 +19,7 @@
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
-package no.nordicsemi.android.hts.service
+package no.nordicsemi.android.hts.repository

 import no.nordicsemi.android.ble.common.callback.DateTimeDataCallback
 import no.nordicsemi.android.ble.data.Data
--- a/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSManager.kt
+++ b/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSManager.kt
@@ -19,7 +19,7 @@
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
-package no.nordicsemi.android.hts.service
+package no.nordicsemi.android.hts.repository

 import android.bluetooth.BluetoothDevice
 import android.bluetooth.BluetoothGatt
--- a/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSService.kt
+++ b/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSService.kt
@@ -1,4 +1,4 @@
-package no.nordicsemi.android.hts.service
+package no.nordicsemi.android.hts.repository

 import dagger.hilt.android.AndroidEntryPoint
 import no.nordicsemi.android.hts.data.HTSDataHolder
--- a/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSTemperatureMeasurementParser.kt
+++ b/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSTemperatureMeasurementParser.kt
@@ -19,7 +19,7 @@
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
-package no.nordicsemi.android.hts.service
+package no.nordicsemi.android.hts.repository

 import no.nordicsemi.android.ble.data.Data
 import java.util.*
--- a/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSTemperatureTypeParser.kt
+++ b/profile_hts/src/main/java/no/nordicsemi/android/hts/repository/HTSTemperatureTypeParser.kt
@@ -19,7 +19,7 @@
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
-package no.nordicsemi.android.hts.service
+package no.nordicsemi.android.hts.repository

 import no.nordicsemi.android.ble.data.Data

--- a/profile_hts/src/main/java/no/nordicsemi/android/hts/view/HTSScreen.kt
+++ b/profile_hts/src/main/java/no/nordicsemi/android/hts/view/HTSScreen.kt
@@ -10,7 +10,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.hilt.navigation.compose.hiltViewModel
 import no.nordicsemi.android.hts.R
 import no.nordicsemi.android.hts.data.HTSData
-import no.nordicsemi.android.hts.service.HTSService
+import no.nordicsemi.android.hts.repository.HTSService
 import no.nordicsemi.android.hts.viewmodel.HTSViewModel
 import no.nordicsemi.android.theme.view.BackIconAppBar
 import no.nordicsemi.android.utils.isServiceRunning
--- a/profile_uart/build.gradle
+++ b/profile_uart/build.gradle
@@ -0,0 +1,21 @@
+apply from: rootProject.file("library.gradle")
+apply plugin: 'kotlin-parcelize'
+
+dependencies {
+    implementation project(":lib_service")
+    implementation project(":lib_theme")
+    implementation project(":lib_utils")
+
+    implementation libs.nordic.ble.common
+
+    implementation libs.nordic.log
+    implementation libs.nordic.theme
+
+    implementation libs.bundles.compose
+    implementation libs.androidx.core
+    implementation libs.material
+    implementation libs.lifecycle.activity
+    implementation libs.lifecycle.service
+    implementation libs.compose.lifecycle
+    implementation libs.compose.activity
+}
--- a/profile_uart/src/main/AndroidManifest.xml
+++ b/profile_uart/src/main/AndroidManifest.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="no.nordicsemi.android.uart">
+
+    <application>
+        <service android:name=".repository.UARTService" />
+    </application>
+
+</manifest>
--- a/profile_uart/src/main/java/no/nordicsemi/android/uart/data/UARTData.kt
+++ b/profile_uart/src/main/java/no/nordicsemi/android/uart/data/UARTData.kt
@@ -0,0 +1,8 @@
+package no.nordicsemi.android.uart.data
+
+import no.nordicsemi.android.utils.EMPTY
+
+internal data class UARTData(
+    val text: String = String.EMPTY,
+    val batteryLevel: Int = 0
+)
--- a/profile_uart/src/main/java/no/nordicsemi/android/uart/data/UARTDataHolder.kt
+++ b/profile_uart/src/main/java/no/nordicsemi/android/uart/data/UARTDataHolder.kt
@@ -0,0 +1,21 @@
+package no.nordicsemi.android.uart.data
+
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+internal class UARTDataHolder @Inject constructor() {
+
+    private val _data = MutableStateFlow(UARTData())
+    val data = _data.asStateFlow()
+
+    fun emitNewMessage(message: String) {
+        _data.tryEmit(_data.value.copy(text = message))
+    }
+
+    fun emitNewBatteryLevel(batteryLevel: Int) {
+        _data.tryEmit(_data.value.copy(batteryLevel = batteryLevel))
+    }
+}
--- a/profile_uart/src/main/java/no/nordicsemi/android/uart/repository/UARTManager.kt
+++ b/profile_uart/src/main/java/no/nordicsemi/android/uart/repository/UARTManager.kt
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2015, Nordic Semiconductor
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package no.nordicsemi.android.uart.repository
+
+import android.bluetooth.BluetoothGatt
+import android.bluetooth.BluetoothGattCharacteristic
+import android.bluetooth.BluetoothGattService
+import android.content.Context
+import android.text.TextUtils
+import no.nordicsemi.android.ble.WriteRequest
+import no.nordicsemi.android.log.LogContract
+import no.nordicsemi.android.service.BatteryManager
+import no.nordicsemi.android.uart.data.UARTDataHolder
+import no.nordicsemi.android.utils.EMPTY
+import java.util.*
+
+/** Nordic UART Service UUID  */
+val UART_SERVICE_UUID = UUID.fromString("6E400001-B5A3-F393-E0A9-E50E24DCCA9E")
+
+/** RX characteristic UUID  */
+private val UART_RX_CHARACTERISTIC_UUID = UUID.fromString("6E400002-B5A3-F393-E0A9-E50E24DCCA9E")
+
+/** TX characteristic UUID  */
+private val UART_TX_CHARACTERISTIC_UUID = UUID.fromString("6E400003-B5A3-F393-E0A9-E50E24DCCA9E")
+
+internal class UARTManager(context: Context, private val dataHolder: UARTDataHolder) : BatteryManager(context) {
+
+    private var rxCharacteristic: BluetoothGattCharacteristic? = null
+    private var txCharacteristic: BluetoothGattCharacteristic? = null
+
+    /**
+     * A flag indicating whether Long Write can be used. It's set to false if the UART RX
+     * characteristic has only PROPERTY_WRITE_NO_RESPONSE property and no PROPERTY_WRITE.
+     * If you set it to false here, it will never use Long Write.
+     *
+     * TODO change this flag if you don't want to use Long Write even with Write Request.
+     */
+    private var useLongWrite = true
+
+    /**
+     * BluetoothGatt callbacks for connection/disconnection, service discovery,
+     * receiving indication, etc.
+     */
+    private inner class UARTManagerGattCallback : BatteryManagerGattCallback() {
+
+        override fun initialize() {
+            setNotificationCallback(txCharacteristic)
+                .with { device, data ->
+                    val text: String = data.getStringValue(0) ?: String.EMPTY
+                    log(LogContract.Log.Level.APPLICATION, "\"$text\" received")
+                    dataHolder.emitNewMessage(text)
+                }
+            requestMtu(260).enqueue()
+            enableNotifications(txCharacteristic).enqueue()
+        }
+
+        override fun isRequiredServiceSupported(gatt: BluetoothGatt): Boolean {
+            val service: BluetoothGattService = gatt.getService(UART_SERVICE_UUID)
+            if (service != null) {
+                rxCharacteristic = service.getCharacteristic(UART_RX_CHARACTERISTIC_UUID)
+                txCharacteristic = service.getCharacteristic(UART_TX_CHARACTERISTIC_UUID)
+            }
+            var writeRequest = false
+            var writeCommand = false
+
+            rxCharacteristic?.let {
+                val rxProperties: Int = it.properties
+                writeRequest = rxProperties and BluetoothGattCharacteristic.PROPERTY_WRITE > 0
+                writeCommand =
+                    rxProperties and BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE > 0
+
+                // Set the WRITE REQUEST type when the characteristic supports it.
+                // This will allow to send long write (also if the characteristic support it).
+                // In case there is no WRITE REQUEST property, this manager will divide texts
+                // longer then MTU-3 bytes into up to MTU-3 bytes chunks.
+                if (writeRequest) {
+                    it.writeType = BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT
+                } else {
+                    useLongWrite = false
+                }
+            }
+            return rxCharacteristic != null && txCharacteristic != null && (writeRequest || writeCommand)
+        }
+
+        override fun onDeviceDisconnected() {
+            rxCharacteristic = null
+            txCharacteristic = null
+            useLongWrite = true
+        }
+
+        override fun onServicesInvalidated() {
+
+        }
+    }
+
+    fun send(text: String) {
+        // Are we connected?
+        if (rxCharacteristic == null) return
+        if (!TextUtils.isEmpty(text)) {
+            val request: WriteRequest = writeCharacteristic(rxCharacteristic, text.toByteArray())
+                .with { device, data ->
+                    log(
+                        LogContract.Log.Level.APPLICATION,
+                        "\"" + data.getStringValue(0).toString() + "\" sent"
+                    )
+                }
+            if (!useLongWrite) {
+                // This will automatically split the long data into MTU-3-byte long packets.
+                request.split()
+            }
+            request.enqueue()
+        }
+    }
+
+    override fun onBatteryLevelChanged(batteryLevel: Int) {
+        dataHolder.emitNewBatteryLevel(batteryLevel)
+    }
+
+    override fun getGattCallback(): BatteryManagerGattCallback {
+        return UARTManagerGattCallback()
+    }
+}
--- a/profile_uart/src/main/java/no/nordicsemi/android/uart/repository/UARTService.kt
+++ b/profile_uart/src/main/java/no/nordicsemi/android/uart/repository/UARTService.kt
@@ -0,0 +1,15 @@
+package no.nordicsemi.android.uart.repository
+
+import dagger.hilt.android.AndroidEntryPoint
+import no.nordicsemi.android.service.ForegroundBleService
+import no.nordicsemi.android.uart.data.UARTDataHolder
+import javax.inject.Inject
+
+@AndroidEntryPoint
+internal class UARTService : ForegroundBleService() {
+
+    @Inject
+    lateinit var dataHolder: UARTDataHolder
+
+    override val manager: UARTManager by lazy { UARTManager(this, dataHolder) }
+}
--- a/profile_uart/src/main/java/no/nordicsemi/android/uart/view/UARTContentView.kt
+++ b/profile_uart/src/main/java/no/nordicsemi/android/uart/view/UARTContentView.kt
@@ -0,0 +1,4 @@
+package no.nordicsemi.android.uart.view
+
+class UARTContentView {
+}
--- a/profile_uart/src/main/java/no/nordicsemi/android/uart/view/UARTScreen.kt
+++ b/profile_uart/src/main/java/no/nordicsemi/android/uart/view/UARTScreen.kt
@@ -0,0 +1,7 @@
+package no.nordicsemi.android.uart.view
+
+import androidx.compose.runtime.Composable
+
+@Composable
+fun UARTScreen(finishAction: () -> Unit) {
+}
--- a/profile_uart/src/main/java/no/nordicsemi/android/uart/viewmodel/UARTViewModel.kt
+++ b/profile_uart/src/main/java/no/nordicsemi/android/uart/viewmodel/UARTViewModel.kt
@@ -0,0 +1,6 @@
+package no.nordicsemi.android.uart.viewmodel
+
+import no.nordicsemi.android.theme.viewmodel.CloseableViewModel
+
+class UARTViewModel : CloseableViewModel() {
+}
--- a/settings.gradle
+++ b/settings.gradle
@@ -94,3 +94,4 @@ if (file('../Android-Common-Libraries').exists()) {
 //if (file('../Android-Scanner-Compat-Library').exists()) {
 //    includeBuild('../Android-Scanner-Compat-Library')
 //}
+include ':profile_uart'