cs_CrownstoneService.h

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#pragma once
 
#include <ble/cs_Characteristic.h>
#include <ble/cs_Nordic.h>
#include <ble/cs_Service.h>
#include <events/cs_EventListener.h>
#include <structs/cs_ControlPacketAccessor.h>
#include <structs/cs_PacketsInternal.h>
#include <structs/cs_ResultPacketAccessor.h>
 
class CrownstoneService : public Service, EventListener {
public:
    CrownstoneService();
 
    //  void tick();
 
    //  void scheduleNextTick();
 
    virtual void handleEvent(event_t& event);
 
protected:
    void createCharacteristics();
 
    void addControlCharacteristic(
            buffer_ptr_t buffer, cs_buffer_size_t size, uint16_t charUuid, EncryptionAccessLevel minimumAccessLevel);
 
    void addResultCharacteristic(
            buffer_ptr_t buffer, cs_buffer_size_t size, uint16_t charUuid, EncryptionAccessLevel minimumAccessLevel);
 
    void addFactoryResetCharacteristic();
 
    void addSessionDataCharacteristic(
            buffer_ptr_t buffer, cs_buffer_size_t size, EncryptionAccessLevel minimumAccessLevel = BASIC);
 
    void getReadBuffer(buffer_ptr_t& buffer, cs_buffer_size_t& maxLength);
    void getWriteBuffer(buffer_ptr_t& buffer, cs_buffer_size_t& maxLength);
 
    void removeBuffer();
 
protected:
    Characteristic<buffer_ptr_t>* _controlCharacteristic = nullptr;
    Characteristic<buffer_ptr_t>* _resultCharacteristic  = nullptr;
 
    ControlPacketAccessor<>* _controlPacketAccessor      = nullptr;
    ResultPacketAccessor<>* _resultPacketAccessor        = nullptr;
 
    void writeResult(uint8_t protocol, CommandHandlerTypes type, cs_result_t& result);
 
    void writeResult(uint8_t protocol, CommandHandlerTypes type, cs_ret_code_t retCode, cs_data_t data);
 
private:
    uint8_t _keySessionDataBuffer[sizeof(session_data_t)];
 
    Characteristic<buffer_ptr_t>* _sessionDataCharacteristic            = nullptr;
    Characteristic<buffer_ptr_t>* _sessionDataUnencryptedCharacteristic = nullptr;
    Characteristic<uint32_t>* _factoryResetCharacteristic               = nullptr;
};