Updated Meshtastic Driver for Successful Migration to OSH-Addons

.gitmodules

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+[submodule "sensors/others/sensorhub-driver-meshtastic/src/main/protobufs"]
+	path = sensors/others/sensorhub-driver-meshtastic/src/main/protobufs
+	url = https://github.com/meshtastic/protobufs

sensors/others/sensorhub-driver-meshtastic/README.md

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+# Meshtastic Driver over Serial Communication
+## Dependencies
+To work properly, this driver requries a comm module. The driver was tested on a mac using the [sensorhub-comm-jssc](https://github.com/opensensorhub/osh-addons/tree/master/comm/sensorhub-comm-jssc):
+
+
+## Meshtastic Node Configuration
+Prior to using the OSH Meshtastic Driver with a Meshtastic Radio, the radio must be configured with the [Meshtastic Firmware](https://flasher.meshtastic.org/). 
+Follow Meshtastic [Getting Started Documentation](https://meshtastic.org/docs/getting-started/) to properly set up a Meshtastic Radio. 
+
+Once the radio has been flashed with Meshtastic Firmware, [connect to the device](https://meshtastic.org/docs/getting-started/initial-config/) to setup it's initial configuration.
+
+To use this Driver over Serial, you must configure the following Meshtastic Settings:
+- Settings/Serial
+    - Make sure ```Enabled``` is **ON**
+    - Make sure ```Mode``` is set to ***Protobufs***
+
+
+Once this has been configured, you will need to exit the application and plug your radio directly into the computer running your OSH Node. 
+
+# OSH Node Configuration
+Once your node has been launched. Make sure a ***Communication Provider*** has been selected. (This has been tested
+using the JSSC Serial Comm Provider) and all necessary information has been selected. 
+
+Select ```Apply Changes``` and then ```Start``` the driver. As Meshtastic Protobuf messages are received from your meshtastic radio, 
+these messages will appear in the Output of the drier. 
+
+# Text Message Control
+Additionally, a Text Message Control has been added to this driver. If you want to send a direct message, type the node number of
+the node you want to send a message to. If you want to broadcast a message, type 'broadcast' or 'Broadcast' and selct send command.
+
+
+
+
+# Meshtastic Driver (Serial)
+This driver enables an OSH Node to communicate with a Meshtastic radio over a serial connection using Protobuf messages.
+
+## Dependencies
+This driver requires a serial communication module. It has been tested using [sensorhub-comm-jssc](https://github.com/opensensorhub/osh-addons/tree/master/comm/sensorhub-comm-jssc)
+
+Make sure this communication module is included in your OSH environment before running the driver.
+
+## Meshtastic Radio Setup
+1. Follow the [Meshtastic Getting Started](https://meshtastic.org/docs/getting-started/) guide for initial configuration:
+
+2. Flash your radio with the official [Meshtastic Firmware](https://flasher.meshtastic.org/) if not done in step 1:
+
+3. After flashing and initial setup, open the [Meshtastic app](https://meshtastic.org/docs/getting-started/initial-config/) and configure the radio’s Serial settings:
+- Settings → Serial
+    - Enabled: ON 
+    - Mode: Protobufs
+
+4. Close the Meshtastic app and connect the radio directly to the computer running the OSH Node. ***Note the Port Address***
+
+Note: If another application (like the Meshtastic GUI or CLI) is open and using the serial port, the OSH Node will not be able to connect.
+
+## OSH Node Configuration
+1. Launch your OSH Node.
+
+2. Select and configure the ***Communication Provider***.
+(This driver has been verified using JSSC Serial Comm Provider)
+
+3. Apply the communication settings.
+
+4. Start the driver. 
+
+As Protobuf messages are received from the Meshtastic radio, sensor outputs will appear in the driver’s output stream.
+
+## Sending Text Messages
+
+This driver includes support for sending text messages through the Meshtastic network.
+
+### To send a message:
+
+- To message a specific node: enter the Node ID of the destination.
+- To broadcast a message: enter broadcast (case-insensitive).
+
+Then type your message and select ```Send Command```.
+
+

sensors/others/sensorhub-driver-meshtastic/build.gradle

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+plugins {
+    id "java"
+    id "com.google.protobuf" version "0.9.4"
+}
+
+description = 'Meshtastic Driver'
+ext.details = "Driver that utilizes a meshtastic Radio pre-configured with meshtastic Node Software to communicate with other meshtastic Radio"
+version = '1.0.0'
+
+
+dependencies {
+    implementation 'org.sensorhub:sensorhub-core:' + oshCoreVersion
+    implementation "com.google.protobuf:protobuf-java:3.25.1"
+    testImplementation "junit:junit:4.13.1"
+}
+
+protobuf {
+    protoc {
+        // Use protoc matching the runtime protobuf-java version
+        artifact = "com.google.protobuf:protoc:3.25.1"
+    }
+    // Where to place generated sources
+    generatedFilesBaseDir = "$projectDir/src/generated"
+
+    // Configure generation tasks
+    generateProtoTasks {
+        all().each { task ->
+            // enable java builtin (default) — leave plugin-free so we get plain java classes
+            task.builtins {
+                java {}
+            }
+            // ensure the proto source dir is considered an input (not strictly required, but explicit)
+            task.inputs.dir("${projectDir}/src/main/protobufs")
+        }
+    }
+}
+
+
+
+// Make sure Gradle sees our non-standard proto source directory
+sourceSets {
+    main {
+        // add the generated java to the java source set so IDEs/compilation pick them up
+        java {
+            srcDirs += "$projectDir/src/generated/main/java"
+        }
+        // tell the Java sourceSet where our proto files are; the plugin will read these
+        proto {
+            srcDirs = ['src/main/protobufs']
+        }
+    }
+}
+
+test {
+    useJUnit()
+}
+
+// add info to OSGi manifest
+osgi {
+    manifest {
+        attributes ('Bundle-Vendor': 'Botts Inc')
+        attributes ('Bundle-Activator': 'com.sample.impl.sensor.meshtastic.Activator')
+    }
+}
+
+// add info to maven pom
+ext.pom >>= {
+    developers {
+        developer {
+            id 'meshtastic'
+            name 'Bill Brown'
+            organization 'Botts Inc'
+            organizationUrl ''
+        }
+    }
+}