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

100 lines
3.9 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Dan Halbert for Adafruit Industries
* Copyright (c) 2018 Artur Pacholec
* Copyright (c) 2016 Glenn Ruben Bakke
*
* 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_ADAPTER_H
#define MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_ADAPTER_H
#include "py/obj.h"
#include "py/objtuple.h"
#include "shared-bindings/_bleio/Characteristic.h"
#include "shared-bindings/_bleio/Connection.h"
#include "shared-bindings/_bleio/ScanResults.h"
#include "shared-bindings/busio/UART.h"
#include "shared-bindings/digitalio/DigitalInOut.h"
#ifndef BLEIO_TOTAL_CONNECTION_COUNT
#define BLEIO_TOTAL_CONNECTION_COUNT 5
#endif
extern bleio_connection_internal_t bleio_connections[BLEIO_TOTAL_CONNECTION_COUNT];
typedef struct _bleio_adapter_obj_t {
mp_obj_base_t base;
bleio_scanresults_obj_t *scan_results;
mp_obj_t name;
mp_obj_tuple_t *connection_objs;
busio_uart_obj_t *hci_uart;
digitalio_digitalinout_obj_t *rts_digitalinout;
digitalio_digitalinout_obj_t *cts_digitalinout;
bool allocated; // True when in use.
bool now_advertising;
bool extended_advertising;
bool circuitpython_advertising;
bool enabled;
// HCI adapter version info.
uint8_t hci_version;
uint8_t lmp_version;
uint16_t hci_revision;
uint16_t manufacturer;
uint16_t lmp_subversion;
// Used to monitor advertising timeout for legacy advertising.
uint64_t advertising_start_ticks;
uint64_t advertising_timeout_msecs; // If zero, do not check.
// Generic services characteristics.
bleio_characteristic_obj_t *device_name_characteristic;
bleio_characteristic_obj_t *appearance_characteristic;
bleio_characteristic_obj_t *service_changed_characteristic;
uint16_t max_acl_buffer_len;
uint16_t max_acl_num_buffers;
uint16_t max_adv_data_len;
uint8_t features[8]; // Supported BLE features.
// All the local attributes for this device. The index into the list
// corresponds to the handle.
mp_obj_list_t *attributes;
// Handle for last added service. Characteristics can only be added immediately after
// the service they belong to. This vets that.
uint16_t last_added_service_handle;
uint16_t last_added_characteristic_handle;
} bleio_adapter_obj_t;
uint16_t bleio_adapter_add_attribute(bleio_adapter_obj_t *adapter, mp_obj_t *attribute);
void bleio_adapter_advertising_was_stopped(bleio_adapter_obj_t *self);
mp_obj_t *bleio_adapter_get_attribute(bleio_adapter_obj_t *adapter, uint16_t handle);
uint16_t bleio_adapter_max_attribute_handle(bleio_adapter_obj_t *adapter);
void bleio_adapter_background(bleio_adapter_obj_t *adapter);
void bleio_adapter_gc_collect(bleio_adapter_obj_t *adapter);
void bleio_adapter_reset(bleio_adapter_obj_t *adapter);
#endif // MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_ADAPTER_H