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projectuser

2019-07-05 50148ccffe21ff54262064ec9f2245900eaf18aa

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/*
 * BLEDevice.h
 *
 *  Created on: Mar 22, 2017
 *      Author: kolban
 */
 
#ifndef MAIN_BLEDEVICE_H_
#define MAIN_BLEDEVICE_H_
 
#include "sdkconfig.h"
#if defined(CONFIG_BT_ENABLED)
 
#include <esp_gattc_api.h>
#include <string.h>
#include <map>
#include <string>
#include "BLEExceptions.h"
#include "BLERemoteService.h"
#include "BLEService.h"
#include "BLEAddress.h"
#include "BLEAdvertisedDevice.h"
 
class BLERemoteService;
class BLEClientCallbacks;
class BLEAdvertisedDevice;
 
/**
 * @brief A model of a %BLE client.
 */
class BLEClient {
public:
    BLEClient();
    ~BLEClient();
 
    bool                                        connect(BLEAdvertisedDevice* device);
    bool                                       connect(BLEAddress address, esp_ble_addr_type_t type = BLE_ADDR_TYPE_PUBLIC);   // Connect to the remote BLE Server
    void                                       disconnect();                  // Disconnect from the remote BLE Server
    BLEAddress                                 getPeerAddress();              // Get the address of the remote BLE Server
    int                                        getRssi();                     // Get the RSSI of the remote BLE Server
    std::map<std::string, BLERemoteService*>*  getServices();                 // Get a map of the services offered by the remote BLE Server
    BLERemoteService*                          getService(const char* uuid);  // Get a reference to a specified service offered by the remote BLE server.
    BLERemoteService*                          getService(BLEUUID uuid);      // Get a reference to a specified service offered by the remote BLE server.
    std::string                                getValue(BLEUUID serviceUUID, BLEUUID characteristicUUID);   // Get the value of a given characteristic at a given service.
 
 
    void                                       handleGAPEvent(
                                                    esp_gap_ble_cb_event_t  event,
                                                esp_ble_gap_cb_param_t* param);
 
    bool                                       isConnected();                 // Return true if we are connected.
 
    void                                       setClientCallbacks(BLEClientCallbacks *pClientCallbacks);
    void                                       setValue(BLEUUID serviceUUID, BLEUUID characteristicUUID, std::string value);   // Set the value of a given characteristic at a given service.
 
    std::string                                toString();                    // Return a string representation of this client.
    uint16_t                                   getConnId();
    esp_gatt_if_t                              getGattcIf();
    uint16_t                                   getMTU();
 
uint16_t m_appId;
private:
    friend class BLEDevice;
    friend class BLERemoteService;
    friend class BLERemoteCharacteristic;
    friend class BLERemoteDescriptor;
 
    void                                       gattClientEventHandler(
        esp_gattc_cb_event_t event,
        esp_gatt_if_t gattc_if,
        esp_ble_gattc_cb_param_t* param);
 
    BLEAddress    m_peerAddress = BLEAddress((uint8_t*)"\0\0\0\0\0\0");   // The BD address of the remote server.
    uint16_t      m_conn_id;
//    int           m_deviceType;
    esp_gatt_if_t m_gattc_if;
    bool          m_haveServices = false;    // Have we previously obtain the set of services from the remote server.
    bool          m_isConnected = false;     // Are we currently connected.
 
    BLEClientCallbacks* m_pClientCallbacks;
    FreeRTOS::Semaphore m_semaphoreRegEvt        = FreeRTOS::Semaphore("RegEvt");
    FreeRTOS::Semaphore m_semaphoreOpenEvt       = FreeRTOS::Semaphore("OpenEvt");
    FreeRTOS::Semaphore m_semaphoreSearchCmplEvt = FreeRTOS::Semaphore("SearchCmplEvt");
    FreeRTOS::Semaphore m_semaphoreRssiCmplEvt   = FreeRTOS::Semaphore("RssiCmplEvt");
    std::map<std::string, BLERemoteService*> m_servicesMap;
    std::map<BLERemoteService*, uint16_t> m_servicesMapByInstID;
    void clearServices();   // Clear any existing services.
    uint16_t m_mtu = 23;
}; // class BLEDevice
 
 
/**
 * @brief Callbacks associated with a %BLE client.
 */
class BLEClientCallbacks {
public:
    virtual ~BLEClientCallbacks() {};
    virtual void onConnect(BLEClient *pClient) = 0;
    virtual void onDisconnect(BLEClient *pClient) = 0;
};
 
#endif // CONFIG_BT_ENABLED
#endif /* MAIN_BLEDEVICE_H_ */