MeshTalos-Client/managed_components/espressif__arduino-esp32/libraries/BLE/src/BLERemoteService.h
2025-12-03 14:20:11 +08:00

133 lines
6 KiB
C++

/*
* BLERemoteService.h
*
* Created on: Jul 8, 2017
* Author: kolban
*
* Modified on: Feb 18, 2025
* Author: lucasssvaz (based on kolban's and h2zero's work)
* Description: Added support for NimBLE
*/
#ifndef COMPONENTS_CPP_UTILS_BLEREMOTESERVICE_H_
#define COMPONENTS_CPP_UTILS_BLEREMOTESERVICE_H_
#include "soc/soc_caps.h"
#include "sdkconfig.h"
#if defined(SOC_BLE_SUPPORTED) || defined(CONFIG_ESP_HOSTED_ENABLE_BT_NIMBLE)
#if defined(CONFIG_BLUEDROID_ENABLED) || defined(CONFIG_NIMBLE_ENABLED)
/***************************************************************************
* Common includes *
***************************************************************************/
#include <map>
#include "BLEClient.h"
#include "BLERemoteCharacteristic.h"
#include "BLEUUID.h"
#include "RTOS.h"
#include "BLEUtils.h"
/***************************************************************************
* NimBLE includes *
***************************************************************************/
#if defined(CONFIG_NIMBLE_ENABLED)
#include <host/ble_gatt.h>
#endif
/***************************************************************************
* Forward declarations *
***************************************************************************/
class BLEClient;
class BLERemoteCharacteristic;
/**
* @brief A model of a remote %BLE service.
*/
class BLERemoteService {
public:
/***************************************************************************
* Common public declarations *
***************************************************************************/
virtual ~BLERemoteService();
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();
std::map<uint16_t, BLERemoteCharacteristic *> *getCharacteristicsByHandle(); // Get the characteristics map.
void getCharacteristics(std::map<uint16_t, BLERemoteCharacteristic *> **pCharacteristicMap);
void retrieveCharacteristics();
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.
String getValue(BLEUUID characteristicUuid); // Get the value of a characteristic.
void setValue(BLEUUID characteristicUuid, String value); // Set the value of a characteristic.
String toString(void);
private:
friend class BLEClient;
friend class BLERemoteCharacteristic;
/***************************************************************************
* Common private 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");
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.
/***************************************************************************
* Bluedroid private properties *
***************************************************************************/
#if defined(CONFIG_BLUEDROID_ENABLED)
esp_gatt_id_t m_srvcId;
#endif
/***************************************************************************
* Common private declarations *
***************************************************************************/
uint16_t getStartHandle(); // Get the start handle for this service.
uint16_t getEndHandle(); // Get the end handle for this service.
void removeCharacteristics();
/***************************************************************************
* Bluedroid private declarations *
***************************************************************************/
#if defined(CONFIG_BLUEDROID_ENABLED)
// 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);
esp_gatt_id_t *getSrvcId();
void gattClientEventHandler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *evtParam);
#endif
/***************************************************************************
* NimBLE private declarations *
***************************************************************************/
#if defined(CONFIG_NIMBLE_ENABLED)
BLERemoteService(BLEClient *pClient, const struct ble_gatt_svc *service);
static int characteristicDiscCB(uint16_t conn_handle, const struct ble_gatt_error *error, const struct ble_gatt_chr *chr, void *arg);
#endif
}; // BLERemoteService
#endif /* CONFIG_BLUEDROID_ENABLED || CONFIG_NIMBLE_ENABLED */
#endif /* SOC_BLE_SUPPORTED || CONFIG_ESP_HOSTED_ENABLE_BT_NIMBLE */
#endif /* COMPONENTS_CPP_UTILS_BLEREMOTESERVICE_H_ */