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-/*
- * BLEDescriptor.h
- *
- * Created on: Jun 22, 2017
- * Author: kolban
- */
-
-#ifndef COMPONENTS_CPP_UTILS_BLEDESCRIPTOR_H_
-#define COMPONENTS_CPP_UTILS_BLEDESCRIPTOR_H_
-#include "sdkconfig.h"
-#if defined(CONFIG_BT_ENABLED)
-#include <string>
-#include "BLEUUID.h"
-#include "BLECharacteristic.h"
-#include <esp_gatts_api.h>
-#include "FreeRTOS.h"
-
-class BLEService;
-class BLECharacteristic;
-class BLEDescriptorCallbacks;
-
-/**
- * @brief A model of a %BLE descriptor.
- */
-class BLEDescriptor {
-public:
- BLEDescriptor(const char* uuid, uint16_t max_len = 100);
- BLEDescriptor(BLEUUID uuid, uint16_t max_len = 100);
- virtual ~BLEDescriptor();
-
- uint16_t getHandle(); // Get the handle of the descriptor.
- size_t getLength(); // Get the length of the value of the descriptor.
- BLEUUID getUUID(); // Get the UUID of the descriptor.
- uint8_t* getValue(); // Get a pointer to the value of the descriptor.
- void handleGATTServerEvent(
- esp_gatts_cb_event_t event,
- esp_gatt_if_t gatts_if,
- esp_ble_gatts_cb_param_t* param);
-
- void setAccessPermissions(esp_gatt_perm_t perm); // Set the permissions of the descriptor.
- void setCallbacks(BLEDescriptorCallbacks* pCallbacks); // Set callbacks to be invoked for the descriptor.
- void setValue(uint8_t* data, size_t size); // Set the value of the descriptor as a pointer to data.
- void setValue(std::string value); // Set the value of the descriptor as a data buffer.
-
- std::string toString(); // Convert the descriptor to a string representation.
-
-private:
- friend class BLEDescriptorMap;
- friend class BLECharacteristic;
- BLEUUID m_bleUUID;
- uint16_t m_handle;
- BLEDescriptorCallbacks* m_pCallback;
- BLECharacteristic* m_pCharacteristic;
- esp_gatt_perm_t m_permissions = ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE;
- FreeRTOS::Semaphore m_semaphoreCreateEvt = FreeRTOS::Semaphore("CreateEvt");
- esp_attr_value_t m_value;
-
- void executeCreate(BLECharacteristic* pCharacteristic);
- void setHandle(uint16_t handle);
-}; // BLEDescriptor
-
-
-/**
- * @brief Callbacks that can be associated with a %BLE descriptors to inform of events.
- *
- * When a server application creates a %BLE descriptor, we may wish to be informed when there is either
- * a read or write request to the descriptors value. An application can register a
- * sub-classed instance of this class and will be notified when such an event happens.
- */
-class BLEDescriptorCallbacks {
-public:
- virtual ~BLEDescriptorCallbacks();
- virtual void onRead(BLEDescriptor* pDescriptor);
- virtual void onWrite(BLEDescriptor* pDescriptor);
-};
-#endif /* CONFIG_BT_ENABLED */
-#endif /* COMPONENTS_CPP_UTILS_BLEDESCRIPTOR_H_ */