225 lines
9.2 KiB
C
225 lines
9.2 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Dan Halbert for Adafruit Industries
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* Copyright (c) 2018 Artur Pacholec
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include <stdio.h>
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#include "py/objproperty.h"
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#include "py/objstr.h"
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#include "py/runtime.h"
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#include "shared-bindings/_bleio/Address.h"
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#include "shared-module/_bleio/Address.h"
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//| class Address:
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//| """Encapsulates the address of a BLE device."""
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//|
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//| def __init__(self, address: buf, address_type: Any):
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//| """Create a new Address object encapsulating the address value.
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//| The value itself can be one of:
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//|
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//| :param buf address: The address value to encapsulate. A buffer object (bytearray, bytes) of 6 bytes.
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//| :param int address_type: one of the integer values: `PUBLIC`, `RANDOM_STATIC`,
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//| `RANDOM_PRIVATE_RESOLVABLE`, or `RANDOM_PRIVATE_NON_RESOLVABLE`."""
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//| ...
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//|
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STATIC mp_obj_t bleio_address_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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enum { ARG_address, ARG_address_type };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_address, MP_ARG_OBJ | MP_ARG_REQUIRED },
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{ MP_QSTR_address_type, MP_ARG_INT, {.u_int = BLEIO_ADDRESS_TYPE_PUBLIC } },
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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bleio_address_obj_t *self = m_new_obj(bleio_address_obj_t);
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self->base.type = &bleio_address_type;
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const mp_obj_t address = args[ARG_address].u_obj;
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mp_buffer_info_t buf_info;
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mp_get_buffer_raise(address, &buf_info, MP_BUFFER_READ);
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if (buf_info.len != NUM_BLEIO_ADDRESS_BYTES) {
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mp_raise_ValueError_varg(translate("Address must be %d bytes long"), NUM_BLEIO_ADDRESS_BYTES);
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}
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const mp_int_t address_type = args[ARG_address_type].u_int;
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if (address_type < BLEIO_ADDRESS_TYPE_MIN || address_type > BLEIO_ADDRESS_TYPE_MAX) {
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mp_raise_ValueError(translate("Address type out of range"));
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}
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common_hal_bleio_address_construct(self, buf_info.buf, address_type);
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return MP_OBJ_FROM_PTR(self);
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}
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//| address_bytes: Any = ...
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//| r"""The bytes that make up the device address (read-only).
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//|
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//| Note that the ``bytes`` object returned is in little-endian order:
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//| The least significant byte is ``address_bytes[0]``. So the address will
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//| appear to be reversed if you print the raw ``bytes`` object. If you print
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//| or use `str()` on the :py:class:`~_bleio.Attribute` object itself, the address will be printed
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//| in the expected order. For example:
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//|
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//| .. code-block:: pycon
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//|
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//| >>> import _bleio
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//| >>> _bleio.adapter.address
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//| <Address c8:1d:f5:ed:a8:35>
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//| >>> _bleio.adapter.address.address_bytes
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//| b'5\\xa8\\xed\\xf5\\x1d\\xc8'"""
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//|
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STATIC mp_obj_t bleio_address_get_address_bytes(mp_obj_t self_in) {
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bleio_address_obj_t *self = MP_OBJ_TO_PTR(self_in);
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return common_hal_bleio_address_get_address_bytes(self);
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}
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MP_DEFINE_CONST_FUN_OBJ_1(bleio_address_get_address_bytes_obj, bleio_address_get_address_bytes);
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const mp_obj_property_t bleio_address_address_bytes_obj = {
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.base.type = &mp_type_property,
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.proxy = {(mp_obj_t)&bleio_address_get_address_bytes_obj,
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(mp_obj_t)&mp_const_none_obj,
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(mp_obj_t)&mp_const_none_obj},
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};
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//| type: Any = ...
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//| """The address type (read-only).
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//|
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//| One of the integer values: `PUBLIC`, `RANDOM_STATIC`, `RANDOM_PRIVATE_RESOLVABLE`,
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//| or `RANDOM_PRIVATE_NON_RESOLVABLE`."""
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//|
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STATIC mp_obj_t bleio_address_get_type(mp_obj_t self_in) {
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bleio_address_obj_t *self = MP_OBJ_TO_PTR(self_in);
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return MP_OBJ_NEW_SMALL_INT(common_hal_bleio_address_get_type(self));
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}
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MP_DEFINE_CONST_FUN_OBJ_1(bleio_address_get_type_obj, bleio_address_get_type);
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const mp_obj_property_t bleio_address_type_obj = {
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.base.type = &mp_type_property,
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.proxy = {(mp_obj_t)&bleio_address_get_type_obj,
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(mp_obj_t)&mp_const_none_obj,
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(mp_obj_t)&mp_const_none_obj},
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};
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//| def __eq__(self, other: Any) -> Any:
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//| """Two Address objects are equal if their addresses and address types are equal."""
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//| ...
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//|
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STATIC mp_obj_t bleio_address_binary_op(mp_binary_op_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
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switch (op) {
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// Two Addresses are equal if their address bytes and address_type are equal
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case MP_BINARY_OP_EQUAL:
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if (MP_OBJ_IS_TYPE(rhs_in, &bleio_address_type)) {
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bleio_address_obj_t *lhs = MP_OBJ_TO_PTR(lhs_in);
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bleio_address_obj_t *rhs = MP_OBJ_TO_PTR(rhs_in);
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return mp_obj_new_bool(
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mp_obj_equal(common_hal_bleio_address_get_address_bytes(lhs),
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common_hal_bleio_address_get_address_bytes(rhs)) &&
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common_hal_bleio_address_get_type(lhs) ==
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common_hal_bleio_address_get_type(rhs));
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} else {
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return mp_const_false;
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}
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default:
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return MP_OBJ_NULL; // op not supported
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}
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}
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//| def __hash__(self, ) -> Any:
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//| """Returns a hash for the Address data."""
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//| ...
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//|
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STATIC mp_obj_t bleio_address_unary_op(mp_unary_op_t op, mp_obj_t self_in) {
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switch (op) {
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// Two Addresses are equal if their address bytes and address_type are equal
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case MP_UNARY_OP_HASH: {
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mp_obj_t bytes = common_hal_bleio_address_get_address_bytes(MP_OBJ_TO_PTR(self_in));
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GET_STR_HASH(bytes, h);
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if (h == 0) {
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GET_STR_DATA_LEN(bytes, data, len);
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h = qstr_compute_hash(data, len);
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}
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h ^= common_hal_bleio_address_get_type(MP_OBJ_TO_PTR(self_in));
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return MP_OBJ_NEW_SMALL_INT(h);
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}
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default:
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return MP_OBJ_NULL; // op not supported
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}
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}
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STATIC void bleio_address_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
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bleio_address_obj_t *self = MP_OBJ_TO_PTR(self_in);
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mp_buffer_info_t buf_info;
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mp_obj_t address_bytes = common_hal_bleio_address_get_address_bytes(self);
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mp_get_buffer_raise(address_bytes, &buf_info, MP_BUFFER_READ);
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const uint8_t *buf = (uint8_t *) buf_info.buf;
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mp_printf(print, "<Address %02x:%02x:%02x:%02x:%02x:%02x>",
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buf[5], buf[4], buf[3], buf[2], buf[1], buf[0]);
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}
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//| PUBLIC: Any = ...
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//| """A publicly known address, with a company ID (high 24 bits)and company-assigned part (low 24 bits)."""
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//|
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//| RANDOM_STATIC: Any = ...
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//| """A randomly generated address that does not change often. It may never change or may change after
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//| a power cycle."""
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//|
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//| RANDOM_PRIVATE_RESOLVABLE: Any = ...
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//| """An address that is usable when the peer knows the other device's secret Identity Resolving Key (IRK)."""
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//|
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//| RANDOM_PRIVATE_NON_RESOLVABLE: Any = ...
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//| """A randomly generated address that changes on every connection."""
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//|
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STATIC const mp_rom_map_elem_t bleio_address_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_address_bytes), MP_ROM_PTR(&bleio_address_address_bytes_obj) },
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{ MP_ROM_QSTR(MP_QSTR_type), MP_ROM_PTR(&bleio_address_type_obj) },
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// These match the BLE_GAP_ADDR_TYPES values used by the nRF library.
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{ MP_ROM_QSTR(MP_QSTR_PUBLIC), MP_ROM_INT(0) },
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{ MP_ROM_QSTR(MP_QSTR_RANDOM_STATIC), MP_ROM_INT(1) },
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{ MP_ROM_QSTR(MP_QSTR_RANDOM_PRIVATE_RESOLVABLE), MP_ROM_INT(2) },
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{ MP_ROM_QSTR(MP_QSTR_RANDOM_PRIVATE_NON_RESOLVABLE), MP_ROM_INT(3) },
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};
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STATIC MP_DEFINE_CONST_DICT(bleio_address_locals_dict, bleio_address_locals_dict_table);
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const mp_obj_type_t bleio_address_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Address,
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.make_new = bleio_address_make_new,
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.print = bleio_address_print,
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.unary_op = bleio_address_unary_op,
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.binary_op = bleio_address_binary_op,
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.locals_dict = (mp_obj_dict_t*)&bleio_address_locals_dict
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};
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