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|
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 Dan Halbert for Adafruit Industries
* Copyright (c) 2018 Artur Pacholec
*
* 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.
*/
#include <string.h>
#include <stdio.h>
#include "py/objproperty.h"
#include "py/objstr.h"
#include "py/runtime.h"
#include "shared-bindings/_bleio/Address.h"
#include "shared-module/_bleio/Address.h"
//| class Address:
//| """Encapsulates the address of a BLE device."""
//|
//| def __init__(self, address: ReadableBuffer, address_type: int) -> None:
//| """Create a new Address object encapsulating the address value.
//| The value itself can be one of:
//|
//| :param ~circuitpython_typing.ReadableBuffer address: The address value to encapsulate. A buffer object (bytearray, bytes) of 6 bytes.
//| :param int address_type: one of the integer values: `PUBLIC`, `RANDOM_STATIC`,
//| `RANDOM_PRIVATE_RESOLVABLE`, or `RANDOM_PRIVATE_NON_RESOLVABLE`."""
//| ...
//|
STATIC mp_obj_t bleio_address_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
enum { ARG_address, ARG_address_type };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_address, MP_ARG_OBJ | MP_ARG_REQUIRED },
{ MP_QSTR_address_type, MP_ARG_INT, {.u_int = BLEIO_ADDRESS_TYPE_PUBLIC } },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
bleio_address_obj_t *self = m_new_obj(bleio_address_obj_t);
self->base.type = &bleio_address_type;
const mp_obj_t address = args[ARG_address].u_obj;
mp_buffer_info_t buf_info;
mp_get_buffer_raise(address, &buf_info, MP_BUFFER_READ);
if (buf_info.len != NUM_BLEIO_ADDRESS_BYTES) {
mp_raise_ValueError_varg(translate("Address must be %d bytes long"), NUM_BLEIO_ADDRESS_BYTES);
}
const mp_int_t address_type = args[ARG_address_type].u_int;
if (address_type < BLEIO_ADDRESS_TYPE_MIN || address_type > BLEIO_ADDRESS_TYPE_MAX) {
mp_raise_ValueError(translate("Address type out of range"));
}
common_hal_bleio_address_construct(self, buf_info.buf, address_type);
return MP_OBJ_FROM_PTR(self);
}
//| address_bytes: bytes
//| """The bytes that make up the device address (read-only).
//|
//| Note that the ``bytes`` object returned is in little-endian order:
//| The least significant byte is ``address_bytes[0]``. So the address will
//| appear to be reversed if you print the raw ``bytes`` object. If you print
//| or use `str()` on the :py:class:`~_bleio.Attribute` object itself, the address will be printed
//| in the expected order. For example:
//|
//| .. code-block:: python
//|
//| >>> import _bleio
//| >>> _bleio.adapter.address
//| <Address c8:1d:f5:ed:a8:35>
//| >>> _bleio.adapter.address.address_bytes
//| b'5\\xa8\\xed\\xf5\\x1d\\xc8'"""
//|
STATIC mp_obj_t bleio_address_get_address_bytes(mp_obj_t self_in) {
bleio_address_obj_t *self = MP_OBJ_TO_PTR(self_in);
return common_hal_bleio_address_get_address_bytes(self);
}
MP_DEFINE_CONST_FUN_OBJ_1(bleio_address_get_address_bytes_obj, bleio_address_get_address_bytes);
MP_PROPERTY_GETTER(bleio_address_address_bytes_obj,
(mp_obj_t)&bleio_address_get_address_bytes_obj);
//| type: int
//| """The address type (read-only).
//|
//| One of the integer values: `PUBLIC`, `RANDOM_STATIC`, `RANDOM_PRIVATE_RESOLVABLE`,
//| or `RANDOM_PRIVATE_NON_RESOLVABLE`."""
//|
STATIC mp_obj_t bleio_address_get_type(mp_obj_t self_in) {
bleio_address_obj_t *self = MP_OBJ_TO_PTR(self_in);
return MP_OBJ_NEW_SMALL_INT(common_hal_bleio_address_get_type(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(bleio_address_get_type_obj, bleio_address_get_type);
MP_PROPERTY_GETTER(bleio_address_type_obj,
(mp_obj_t)&bleio_address_get_type_obj);
//| def __eq__(self, other: object) -> bool:
//| """Two Address objects are equal if their addresses and address types are equal."""
//| ...
//|
STATIC mp_obj_t bleio_address_binary_op(mp_binary_op_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
switch (op) {
// Two Addresses are equal if their address bytes and address_type are equal
case MP_BINARY_OP_EQUAL:
if (mp_obj_is_type(rhs_in, &bleio_address_type)) {
bleio_address_obj_t *lhs = MP_OBJ_TO_PTR(lhs_in);
bleio_address_obj_t *rhs = MP_OBJ_TO_PTR(rhs_in);
return mp_obj_new_bool(
mp_obj_equal(common_hal_bleio_address_get_address_bytes(lhs),
common_hal_bleio_address_get_address_bytes(rhs)) &&
common_hal_bleio_address_get_type(lhs) ==
common_hal_bleio_address_get_type(rhs));
} else {
return mp_const_false;
}
default:
return MP_OBJ_NULL; // op not supported
}
}
//| def __hash__(self) -> int:
//| """Returns a hash for the Address data."""
//| ...
//|
STATIC mp_obj_t bleio_address_unary_op(mp_unary_op_t op, mp_obj_t self_in) {
switch (op) {
// Two Addresses are equal if their address bytes and address_type are equal
case MP_UNARY_OP_HASH: {
mp_obj_t bytes = common_hal_bleio_address_get_address_bytes(MP_OBJ_TO_PTR(self_in));
GET_STR_HASH(bytes, h);
if (h == 0) {
GET_STR_DATA_LEN(bytes, data, len);
h = qstr_compute_hash(data, len);
}
h ^= common_hal_bleio_address_get_type(MP_OBJ_TO_PTR(self_in));
return MP_OBJ_NEW_SMALL_INT(h);
}
default:
return MP_OBJ_NULL; // op not supported
}
}
STATIC void bleio_address_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
bleio_address_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_buffer_info_t buf_info;
mp_obj_t address_bytes = common_hal_bleio_address_get_address_bytes(self);
mp_get_buffer_raise(address_bytes, &buf_info, MP_BUFFER_READ);
const uint8_t *buf = (uint8_t *)buf_info.buf;
mp_printf(print, "<Address %02x:%02x:%02x:%02x:%02x:%02x>",
buf[5], buf[4], buf[3], buf[2], buf[1], buf[0]);
}
//| PUBLIC: int
//| """A publicly known address, with a company ID (high 24 bits)and company-assigned part (low 24 bits)."""
//|
//| RANDOM_STATIC: int
//| """A randomly generated address that does not change often. It may never change or may change after
//| a power cycle."""
//|
//| RANDOM_PRIVATE_RESOLVABLE: int
//| """An address that is usable when the peer knows the other device's secret Identity Resolving Key (IRK)."""
//|
//| RANDOM_PRIVATE_NON_RESOLVABLE: int
//| """A randomly generated address that changes on every connection."""
//|
STATIC const mp_rom_map_elem_t bleio_address_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_address_bytes), MP_ROM_PTR(&bleio_address_address_bytes_obj) },
{ MP_ROM_QSTR(MP_QSTR_type), MP_ROM_PTR(&bleio_address_type_obj) },
// These match the BLE_GAP_ADDR_TYPES values used by the nRF library.
{ MP_ROM_QSTR(MP_QSTR_PUBLIC), MP_ROM_INT(0) },
{ MP_ROM_QSTR(MP_QSTR_RANDOM_STATIC), MP_ROM_INT(1) },
{ MP_ROM_QSTR(MP_QSTR_RANDOM_PRIVATE_RESOLVABLE), MP_ROM_INT(2) },
{ MP_ROM_QSTR(MP_QSTR_RANDOM_PRIVATE_NON_RESOLVABLE), MP_ROM_INT(3) },
};
STATIC MP_DEFINE_CONST_DICT(bleio_address_locals_dict, bleio_address_locals_dict_table);
const mp_obj_type_t bleio_address_type = {
{ &mp_type_type },
.flags = MP_TYPE_FLAG_EXTENDED,
.name = MP_QSTR_Address,
.make_new = bleio_address_make_new,
.print = bleio_address_print,
.locals_dict = (mp_obj_dict_t *)&bleio_address_locals_dict,
MP_TYPE_EXTENDED_FIELDS(
.unary_op = bleio_address_unary_op,
.binary_op = bleio_address_binary_op,
),
};
|
