add ability to reboot device

index.html

@@ -98,6 +98,9 @@
                 <button @click="exportContact(null)" class="border border-gray-500 px-2 bg-gray-100 hover:bg-gray-200 rounded">
                     ExportContact
                 </button>
+                <button @click="reboot" class="border border-gray-500 px-2 bg-gray-100 hover:bg-gray-200 rounded">
+                    Reboot
+                </button>
             </div>
         </div>
 
@@ -382,6 +385,14 @@
                     0xd2,
                 ]);
             },
+            async reboot() {
+                try {
+                    await this.connection.reboot();
+                    alert("Device is rebooting!");
+                } catch(e) {
+                    alert("Failed to reboot!");
+                }
+            },
             bytesToHex(uint8Array) {
                 return Array.from(uint8Array).map(byte => byte.toString(16).padStart(2, '0')).join('');
             },

src/connection/connection.js

@@ -172,6 +172,12 @@ class Connection extends EventEmitter {
         await this.sendToRadioFrame(data.toBytes());
     }
 
+    async sendCommandReboot() {
+        const data = new BufferWriter();
+        data.writeByte(Constants.CommandCodes.Reboot);
+        await this.sendToRadioFrame(data.toBytes());
+    }
+
     onFrameReceived(frame) {
 
         // emit received frame
@@ -938,6 +944,34 @@ class Connection extends EventEmitter {
         });
     }
 
+    reboot() {
+        return new Promise(async (resolve, reject) => {
+            try {
+
+                // reject promise when we receive err
+                const onErr = () => {
+                    this.off(Constants.ResponseCodes.Err, onErr);
+                    reject();
+                }
+
+                // assume device rebooted after a short delay
+                setTimeout(() => {
+                    this.off(Constants.ResponseCodes.Err, onErr);
+                    resolve();
+                }, 1000);
+
+                // listen for events
+                this.once(Constants.ResponseCodes.Err, onErr);
+
+                // reboot
+                await this.sendCommandReboot();
+
+            } catch(e) {
+                reject(e);
+            }
+        });
+    }
+
 }
 
 export default Connection;

src/constants.js

@@ -30,6 +30,7 @@ class Constants {
         ShareContact: 16,
         ExportContact: 17,
         ImportContact: 18,
+        Reboot: 19,
     }
 
     static ResponseCodes = {