77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
// This file is part of the CircuitPython project: https://circuitpython.org
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//
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// SPDX-FileCopyrightText: Copyright (c) 2019 Dan Halbert for Adafruit Industries
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// SPDX-FileCopyrightText: Copyright (c) 2018 Artur Pacholec
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// SPDX-FileCopyrightText: Copyright (c) 2017 Glenn Ruben Bakke
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//
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// SPDX-License-Identifier: MIT
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#include <string.h>
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#include "shared-bindings/_bleio/Address.h"
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#include "shared-bindings/_bleio/ScanEntry.h"
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#include "shared-module/_bleio/Address.h"
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#include "shared-module/_bleio/ScanEntry.h"
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mp_obj_t common_hal_bleio_scanentry_get_address(bleio_scanentry_obj_t *self) {
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return MP_OBJ_FROM_PTR(self->address);
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}
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mp_obj_t common_hal_bleio_scanentry_get_advertisement_bytes(bleio_scanentry_obj_t *self) {
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return MP_OBJ_FROM_PTR(self->data);
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}
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mp_int_t common_hal_bleio_scanentry_get_rssi(bleio_scanentry_obj_t *self) {
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return self->rssi;
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}
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bool common_hal_bleio_scanentry_get_connectable(bleio_scanentry_obj_t *self) {
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return self->connectable;
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}
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bool common_hal_bleio_scanentry_get_scan_response(bleio_scanentry_obj_t *self) {
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return self->scan_response;
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}
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bool bleio_scanentry_data_matches(const uint8_t *data, size_t len, const uint8_t *prefixes, size_t prefixes_length, bool any) {
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if (prefixes_length == 0) {
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return true;
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}
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if (len == 0) {
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// Prefixes exist, but no data.
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return false;
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}
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size_t i = 0;
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while (i < prefixes_length) {
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uint8_t prefix_length = prefixes[i];
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i += 1;
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size_t j = 0;
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bool prefix_matched = false;
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while (j < len) {
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uint8_t structure_length = data[j];
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j += 1;
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if (structure_length == 0) {
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break;
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}
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if (structure_length >= prefix_length && memcmp(data + j, prefixes + i, prefix_length) == 0) {
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if (any) {
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return true;
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}
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prefix_matched = true;
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break;
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}
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j += structure_length;
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}
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// If all (!any), the current prefix must have matched at least one field.
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if (!prefix_matched && !any) {
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return false;
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}
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i += prefix_length;
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}
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// All prefixes matched some field (if !any), or none did (if any).
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return !any;
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}
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bool common_hal_bleio_scanentry_matches(bleio_scanentry_obj_t *self, const uint8_t *prefixes, size_t prefixes_len, bool match_all) {
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return bleio_scanentry_data_matches(self->data->data, self->data->len, prefixes, prefixes_len, !match_all);
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}
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