Added onDisconnect with GATT parameters to BLEServerCallbacks, equivalent to the existing onConnect.

espressif/arduino-esp32#7559

Author: DamianSuess

sdkconfig.defaults

@@ -4,9 +4,11 @@
 # In a terminal window run, `platformio run -t menuconfig'
 # Remember to delete the generated `sdkconfig.xxx` files and rebuild.
 
+## TODO [2023-01-08]: https://github.com/espressif/arduino-esp32/blob/master/tools/sdk/esp32c3/sdkconfig
 CONFIG_BT_ENABLED=y
 CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
 CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
 CONFIG_BTDM_CTRL_MODE_BTDM=n
+# CONFIG_BT_BLE_ENABLED=y       -- esp32c3, esp32s3
 # CONFIG_BT_BLE_50_FEATURES_SUPPORTED=y
 ## CONFIG_BLUEDROID_ENABLED=1

src/BLEDescriptor.cpp

@@ -24,15 +24,15 @@
  * @brief BLEDescriptor constructor.
  */
 BLEDescriptor::BLEDescriptor(const char* uuid, uint16_t len) : BLEDescriptor(BLEUUID(uuid), len) {
-}	
+}
 
 /**
  * @brief BLEDescriptor constructor.
  */
 BLEDescriptor::BLEDescriptor(BLEUUID uuid, uint16_t max_len) {
 	m_bleUUID            = uuid;
 	m_value.attr_len     = 0;                                         // Initial length is 0.
-	m_value.attr_max_len = max_len;                     			  // Maximum length of the data.
+	m_value.attr_max_len = max_len;                                   // Maximum length of the data.
 	m_handle             = NULL_HANDLE;                               // Handle is initially unknown.
 	m_pCharacteristic    = nullptr;                                   // No initial characteristic.
 	m_pCallback          = nullptr;                                   // No initial callback.

src/BLEServer.h

@@ -134,6 +134,7 @@ class BLEServerCallbacks {
 	 * @param [in] pServer A reference to the %BLE server that received the existing client disconnection.
 	 */
 	virtual void onDisconnect(BLEServer* pServer);
+  virtual void onDisconnect(BLEServer* pServer, esp_ble_gatts_cb_param_t *param);
 
 	/**
 	 * @brief Handle a new client connection.