circuitpython/devices/ble_hci/common-hal/_bleio/__init__.h

/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2018 Dan Halbert for Adafruit Industries
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_INIT_H
#define MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_INIT_H

#include <stdbool.h>

#include "shared-bindings/_bleio/UUID.h"

#include "att.h"
#include "hci.h"

void bleio_hci_background(void);

typedef struct {
    // ble_gap_enc_key_t own_enc;
    // ble_gap_enc_key_t peer_enc;
    // ble_gap_id_key_t peer_id;
} bonding_keys_t;

// We assume variable length data.
// 20 bytes max (23 - 3).
#define GATT_MAX_DATA_LENGTH (BT_ATT_DEFAULT_LE_MTU - 3)

// FIX
#define BLE_GATT_HANDLE_INVALID 0x0000
#define BLE_CONN_HANDLE_INVALID 0xFFFF
#define BLE_GATTS_FIX_ATTR_LEN_MAX (510)  /**< Maximum length for fixed length Attribute Values. */
#define BLE_GATTS_VAR_ATTR_LEN_MAX (512)  /**< Maximum length for variable length Attribute Values. */

// Track if the user code modified the BLE state to know if we need to undo it on reload.
extern bool vm_used_ble;

// UUID shared by all CCCD's.
extern bleio_uuid_obj_t cccd_uuid;

#endif // MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_INIT_H