sensor/patchedBLE/src/BLERemoteService.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85

/*
 * BLERemoteService.h
 *
 *  Created on: Jul 8, 2017
 *      Author: kolban
 */
 
#ifndef COMPONENTS_CPP_UTILS_BLEREMOTESERVICE_H_
#define COMPONENTS_CPP_UTILS_BLEREMOTESERVICE_H_
#include "sdkconfig.h"
#if defined(CONFIG_BT_ENABLED)
 
#include <map>
 
#include "BLEClient.h"
#include "BLERemoteCharacteristic.h"
#include "BLEUUID.h"
#include "FreeRTOS.h"
 
class BLEClient;
class BLERemoteCharacteristic;
 
 
/**
 * @brief A model of a remote %BLE service.
 */
class BLERemoteService {
public:
 
	virtual ~BLERemoteService();
 
	// Public methods 
	BLERemoteCharacteristic* getCharacteristic(const char* uuid);	  // Get the specified characteristic reference. 
	BLERemoteCharacteristic* getCharacteristic(BLEUUID uuid);       // Get the specified characteristic reference. 
	BLERemoteCharacteristic* getCharacteristic(uint16_t uuid);      // Get the specified characteristic reference. 
	std::map<std::string, BLERemoteCharacteristic*>* getCharacteristics();
	void getCharacteristics(std::map<uint16_t, BLERemoteCharacteristic*>* pCharacteristicMap);  // Get the characteristics map. 
 
	BLEClient*               getClient(void);                                           // Get a reference to the client associated with this service. 
	uint16_t                 getHandle();                                               // Get the handle of this service. 
	BLEUUID                  getUUID(void);                                             // Get the UUID of this service. 
	std::string              getValue(BLEUUID characteristicUuid);                      // Get the value of a characteristic. 
	void                     setValue(BLEUUID characteristicUuid, std::string value);   // Set the value of a characteristic. 
	std::string              toString(void);
 
private:
	// Private constructor ... never meant to be created by a user application. 
	BLERemoteService(esp_gatt_id_t srvcId, BLEClient* pClient, uint16_t startHandle, uint16_t endHandle);
 
	// Friends 
	friend class BLEClient;
	friend class BLERemoteCharacteristic;
 
	// Private methods 
	void                retrieveCharacteristics(void);   // Retrieve the characteristics from the BLE Server. 
	esp_gatt_id_t*      getSrvcId(void);
	uint16_t            getStartHandle();                // Get the start handle for this service. 
	uint16_t            getEndHandle();                  // Get the end handle for this service. 
 
	void                gattClientEventHandler(
		esp_gattc_cb_event_t      event,
		esp_gatt_if_t             gattc_if,
		esp_ble_gattc_cb_param_t* evtParam);
 
	void                removeCharacteristics();
 
	// Properties 
 
	// We maintain a map of characteristics owned by this service keyed by a string representation of the UUID. 
	std::map<std::string, BLERemoteCharacteristic *> m_characteristicMap;
 
	// We maintain a map of characteristics owned by this service keyed by a handle. 
	std::map<uint16_t, BLERemoteCharacteristic *> m_characteristicMapByHandle;
 
	bool                m_haveCharacteristics; // Have we previously obtained the characteristics. 
	BLEClient*          m_pClient;
	FreeRTOS::Semaphore m_semaphoreGetCharEvt = FreeRTOS::Semaphore("GetCharEvt");
	esp_gatt_id_t       m_srvcId;
	BLEUUID             m_uuid;             // The UUID of this service. 
	uint16_t            m_startHandle;      // The starting handle of this service. 
	uint16_t            m_endHandle;        // The ending handle of this service. 
}; // BLERemoteService 
 
#endif /* CONFIG_BT_ENABLED */
#endif /* COMPONENTS_CPP_UTILS_BLEREMOTESERVICE_H_ */