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/**************************************************************************/
/*!
@file BLEGap.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 BLEGAP_H_
#define BLEGAP_H_
#include <Arduino.h>
#include "bluefruit_common.h"
#include "BLEUuid.h"
#include "utility/bonding.h"
enum
{
CONN_CFG_PERIPHERAL = 1,
CONN_CFG_CENTRAL = 2,
};
class BLEGap
{
public:
typedef void (*connect_callback_t ) (uint16_t conn_hdl);
typedef void (*disconnect_callback_t ) (uint16_t conn_hdl, uint8_t reason);
BLEGap(void);
uint8_t getAddr (uint8_t mac[6]);
bool setAddr (uint8_t mac[6], uint8_t type);
// bool setPrivacy (); sd_ble_gap_privacy_set()
bool connected (uint16_t conn_hdl);
bool paired (uint16_t conn_hdl);
bool requestPairing (uint16_t conn_hdl);
uint8_t getRole (uint16_t conn_hdl);
uint8_t getPeerAddr (uint16_t conn_hdl, uint8_t addr[6]);
ble_gap_addr_t getPeerAddr (uint16_t conn_hdl);
uint16_t getPeerName (uint16_t conn_hdl, char* buf, uint16_t bufsize);
uint16_t getMTU (uint16_t conn_hdl);
uint16_t getMaxMtuByConnCfg (uint8_t conn_cfg);
uint16_t getMaxMtu (uint8_t conn_hdl);
uint8_t getHvnQueueSize (uint8_t conn_hdl);
uint8_t getWriteCmdQueueSize (uint8_t conn_hdl);
bool getHvnPacket (uint16_t conn_hdl);
bool getWriteCmdPacket (uint16_t conn_hdl);
void configPrphConn (uint16_t mtu_max, uint8_t event_len, uint8_t hvn_qsize, uint8_t wrcmd_qsize);
void configCentralConn (uint16_t mtu_max, uint8_t event_len, uint8_t hvn_qsize, uint8_t wrcmd_qsize);
/*------------------------------------------------------------------*/
/* INTERNAL USAGE ONLY
* Although declare as public, it is meant to be invoked by internal
* code. User should not call these directly
*------------------------------------------------------------------*/
void _eventHandler(ble_evt_t* evt);
// Array of TX Packet semaphore, indexed by connection handle
// Peer info where conn_hdl serves as index
typedef struct {
bool connected;
bool paired;
uint8_t role;
uint16_t att_mtu;
ble_gap_addr_t addr;
uint16_t ediv;
bond_keys_t* bond_keys; // Shared keys with bonded device, size ~ 80 bytes
SemaphoreHandle_t hvn_tx_sem;
SemaphoreHandle_t wrcmd_tx_sem;
bool hvc_received;
// On-demand semaphore that are created on the fly
SemaphoreHandle_t hvc_sem;
SemaphoreHandle_t pair_sem;
} gap_peer_t;
gap_peer_t* _get_peer(uint16_t conn_hdl) { return &_peers[conn_hdl]; }
private:
struct {
uint16_t mtu_max;
uint8_t event_len;
uint8_t hvn_tx_qsize;
uint8_t wr_cmd_qsize;
} _cfg_prph, _cfg_central;
gap_peer_t _peers[BLE_MAX_CONN];
ble_gap_sec_params_t _sec_param;
friend class AdafruitBluefruit;
};
#endif /* BLEGAP_H_ */
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