Allow the user to set a custom bluetooth name using the cli

docs/companion_cli.md

@@ -320,6 +320,19 @@ Radio parameters are common to all roles and handled by `CommonRadioPrefs`.
 
 ---
 
+#### Change BLE name
+**Usage:**
+- `get ble_name`
+- `set ble_name <name>`
+- `set ble_name_default`
+
+**Parameters:**
+- `name`: New BLE name
+
+**Note:** By default the node name will be used as the BLE name. These commands require a reboot to take effect.
+
+---
+
 ### Wifi
 
 #### Get status

examples/companion_radio/MyMesh.cpp

@@ -2147,6 +2147,26 @@ bool MyMesh::handleCommand(const char* command, uint32_t sender_timestamp, char*
     sprintf(reply, "> pin is now %06d", _prefs.ble_pin);
     return true;
   }
+  if (memcmp(command, "set ble_name ", 13) == 0) {
+    if (AdvertDataParser::isValidName(&command[13])) {
+      StrHelper::strncpy(_prefs.ble_name, &command[13], sizeof(_prefs.ble_name));
+      savePrefs();
+      sprintf(reply, "> BLE name is now %s (reboot to apply)", _prefs.ble_name);
+    } else {
+      strcpy(reply, "Error, bad chars");
+    }
+    return true;
+  }
+  if (strcmp(command, "get ble_name") == 0) {
+    sprintf(reply, "> %s", _prefs.ble_name[0] ? _prefs.ble_name : _prefs.node_name);
+    return true;
+  }
+  if (strcmp(command, "set ble_name_default") == 0) {
+    _prefs.ble_name[0] = 0;
+    savePrefs();
+    sprintf(reply, "> BLE name reset to %s (reboot to apply)", _prefs.node_name);
+    return true;
+  }
 
 #ifdef ENABLE_WIFI_INTERFACE
   if (memcmp(command, "set wifi.ssid ", 14) == 0) {

examples/companion_radio/NodePrefs.h

@@ -30,6 +30,7 @@ class NodePrefs : public ConfigSerializer {  // persisted to file
   float tx_delay_factor = 0;
   float direct_tx_delay_factor = 0;
   uint32_t ble_pin = 0;
+  char ble_name[32] = {0};
   uint8_t  advert_loc_policy = 0;
   uint8_t  buzzer_quiet = 0;
   uint8_t  vibe_quiet = 0;
@@ -186,6 +187,7 @@ class NodePrefs : public ConfigSerializer {  // persisted to file
       def("defs_nm", _parent->default_scope_name, sizeof(_parent->default_scope_name));
       def("defs_key", (void *) _parent->default_scope_key, sizeof(_parent->default_scope_key));
       def("pin", _parent->ble_pin);
+      def("ble_name", _parent->ble_name, sizeof(_parent->ble_name));
       def("buzz_q", _parent->buzzer_quiet);
       def("vibe_q", _parent->vibe_quiet);
       def("auto_add", _parent->autoadd_config);    // bitmask for auto-add contacts config

examples/companion_radio/main.cpp

@@ -206,7 +206,7 @@ void setup() {
 
 // add bluetooth interface
 #if defined(BLE_PIN_CODE)
-  bluetooth_interface.begin(BLE_NAME_PREFIX, the_mesh.getNodePrefs()->node_name, the_mesh.getBLEPin());
+  bluetooth_interface.begin(BLE_NAME_PREFIX, the_mesh.getNodePrefs()->ble_name[0] ? the_mesh.getNodePrefs()->ble_name : the_mesh.getNodePrefs()->node_name, the_mesh.getBLEPin());
   interface_manager.addInterface(InterfaceType::Bluetooth, &bluetooth_interface);
 #endif