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/**************************************************************************/
/*!
@file BLEClientCharacteristic.h
@author hathach (tinyusb.org)
@section LICENSE
Software License Agreement (BSD License)
Copyright (c) 2018, Adafruit Industries (adafruit.com)
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**************************************************************************/
#ifndef BLECLIENTCHARACTERISTIC_H_
#define BLECLIENTCHARACTERISTIC_H_
#include "bluefruit_common.h"
#include "BLEUuid.h"
#include "BLECharacteristic.h"
// Forward declaration
class BLEClientService;
class BLEClientCharacteristic
{
public:
/*--------- Callback Signatures ----------*/
typedef void (*notify_cb_t ) (BLEClientCharacteristic* chr, uint8_t* data, uint16_t len);
typedef void (*indicate_cb_t) (BLEClientCharacteristic* chr, uint8_t* data, uint16_t len);
BLEUuid uuid;
// Constructors
BLEClientCharacteristic(void);
BLEClientCharacteristic(BLEUuid bleuuid);
// Destructor
virtual ~BLEClientCharacteristic();
void begin(BLEClientService* parent_svc = NULL);
bool discover(void);
bool discovered(void);
uint16_t connHandle(void);
uint16_t valueHandle(void);
uint8_t properties(void);
BLEClientService& parentService(void);
/*------------- Read -------------*/
uint16_t read(void* buffer, uint16_t bufsize);
uint8_t read8 (void);
uint16_t read16(void);
uint32_t read32(void);
/*------------- Write without Response-------------*/
uint16_t write (const void* data, uint16_t len);
uint16_t write8 (uint8_t value);
uint16_t write16 (uint16_t value);
uint16_t write32 (uint32_t value);
uint16_t write32 (int value);
/*------------- Write with Response-------------*/
uint16_t write_resp(const void* data, uint16_t len);
uint16_t write8_resp (uint8_t value);
uint16_t write16_resp (uint16_t value);
uint16_t write32_resp (uint32_t value);
uint16_t write32_resp (int value);
/*------------- Notify -------------*/
bool writeCCCD (uint16_t value);
bool enableNotify (void);
bool disableNotify (void);
bool enableIndicate (void);
bool disableIndicate (void);
/*------------- Callbacks -------------*/
void setNotifyCallback(notify_cb_t fp, bool useAdaCallback = true);
void setIndicateCallback(indicate_cb_t fp, bool useAdaCallback = true);
/*------------- Internal usage -------------*/
void _assign(ble_gattc_char_t* gattc_chr);
bool _discoverDescriptor(uint16_t conn_handle, ble_gattc_handle_range_t hdl_range);
private:
ble_gattc_char_t _chr;
uint16_t _cccd_handle;
BLEClientService* _service;
AdaMsg _adamsg;
/*------------- Callbacks -------------*/
notify_cb_t _notify_cb;
indicate_cb_t _indicate_cb;
struct ATTR_PACKED {
uint8_t notify : 1;
uint8_t indicate : 1;
} _use_ada_cb;
void _init (void);
void _eventHandler (ble_evt_t* event);
void disconnect(void);
friend class BLEGatt;
};
#endif /* BLECLIENTCHARACTERISTIC_H_ */
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