1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef CHRE_UTIL_NANOAPP_WIFI_H_
18#define CHRE_UTIL_NANOAPP_WIFI_H_
19
20#include <cstddef>
21#include <cstdint>
22
23#include <chre/wifi.h>
24
25namespace chre {
26
27//! The length of a string SSID with null-terminator.
28constexpr size_t kMaxSsidStrLen = CHRE_WIFI_SSID_MAX_LEN + 1;
29
30//! The length of a formatted BSSID string in XX:XX:XX:XX:XX:XX\0 format.
31constexpr size_t kBssidStrLen = 18;
32
33/**
34 * @param buffer a pointer to a buffer to format into.
35 * @param bufferLen a buffer to format into.
36 * @param a pointer to SSID data.
37 * @param ssidLen the length of the SSID data.
38 * @return true if the SSID is printable and was copied into the output buffer.
39 */
40bool parseSsidToStr(char *buffer, size_t bufferLen,
41                    const uint8_t *ssid, uint8_t ssidLen);
42
43/**
44 * Parses a BSSID into a XX:XX:XX:XX:XX:XX formatted string.
45 *
46 * @param bssid the BSSID to format into a string.
47 * @param buffer the buffer to format the string into.
48 * @param bufferLen the length of the buffer to format into.
49 * @return true if the buffer is large enough and the string is formatted.
50 */
51bool parseBssidToStr(const uint8_t bssid[CHRE_WIFI_BSSID_LEN],
52                     char *buffer, size_t bufferLen);
53
54/**
55 * Parses a WiFi band into a string.
56 *
57 * @param band the CHRE WiFi band to parse into a string.
58 * @return a pointer to the string or some indication of invalid.
59 */
60const char *parseChreWifiBand(uint8_t band);
61
62}  // namespace chre
63
64#endif  // CHRE_UTIL_NANOAPP_WIFI_H_
65