AP Mode 설정
This commit is contained in:
choibk
commit
05822ba583
4
.gitignore
vendored
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4
.gitignore
vendored
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.pio/
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.vscode/
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include/README
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test/README
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24
data/index.html
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24
data/index.html
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<!DOCTYPE html>
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<html>
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<head><meta charset="utf-8"></head>
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<body style="background-color: #1C304A;">
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<h2>Main</h2>
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<div id="wifi"></div>
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<a href="/wifi">WiFi Setup</a>
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<script>
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async function loadStatus() {
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const res = await fetch("/api/status");
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const st = await res.json();
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let html = "WiFi: " + st.status;
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if (st.status === "connected") {
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html += `<br>${st.ssid} (${st.ip})`;
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}
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document.getElementById("wifi").innerHTML = html;
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}
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setInterval(loadStatus, 3000);
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loadStatus();
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</script>
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</body>
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</html>
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181
data/wifi.html
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181
data/wifi.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>WiFi Setup</title>
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<script>
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/*
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===============================
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WiFi Scan
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================================
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*/
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async function scanWifi() {
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const scanDiv = document.getElementById("scan");
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scanDiv.innerHTML = "Scanning...";
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try {
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const res = await fetch("/api/scan");
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const list = await res.json();
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if (!list.length) {
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scanDiv.innerHTML = "No networks found.";
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return;
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}
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// RSSI 기준 정렬 (신호 강한 순)
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list.sort((a, b) => b.rssi - a.rssi);
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let html = "<ul>";
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list.forEach(n => {
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html += `<li>
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<a href="#" onclick="selectSSID('${n.ssid}')">
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${n.ssid} (${n.rssi} dBm)
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</a>
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</li>`;
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});
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html += "</ul>";
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scanDiv.innerHTML = html;
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} catch (e) {
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scanDiv.innerHTML = "Scan failed.";
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}
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}
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/* 선택한 SSID 입력창에 반영 */
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function selectSSID(ssid) {
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document.getElementById("ssid").value = ssid;
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}
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/*
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===============================
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Connect / Disconnect
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================================
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*/
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async function connectWifi() {
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const ssid = document.getElementById("ssid").value;
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const pass = document.getElementById("pass").value;
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const res = await fetch("/api/connect", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ ssid, pass })
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});
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const txt = await res.text();
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document.getElementById("result").innerText = txt;
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}
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async function disconnectWifi() {
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await fetch("/api/disconnect", { method: "POST" });
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}
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/*
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===============================
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Status Polling
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================================
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*/
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async function pollStatus() {
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const res = await fetch("/api/status");
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const st = await res.json();
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let txt = "Status: " + st.status;
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if (st.status === "connected") {
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txt += `<br>SSID: ${st.ssid}<br>IP: ${st.ip}<br>RSSI: ${st.rssi}`;
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}
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document.getElementById("result").innerHTML = txt;
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}
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setInterval(pollStatus, 2000);
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/*
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===============================
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Saved Networks
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================================
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*/
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async function loadSaved() {
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const res = await fetch("/api/saved");
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const list = await res.json();
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if (!list.length) {
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document.getElementById("saved").innerHTML =
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"저장된 AP 정보가 없습니다.";
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return;
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}
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let html = "<ul>";
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list.forEach((s, i) => {
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html += `<li>
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${s}
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<button onclick="connectSaved(${i})">Connect</button>
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<button onclick="deleteSaved(${i})">Delete</button>
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</li>`;
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});
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html += "</ul>";
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document.getElementById("saved").innerHTML = html;
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}
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async function connectSaved(i) {
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await fetch("/api/connect_saved", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ index: i })
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});
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}
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async function deleteSaved(i) {
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if (!confirm("이 AP 정보를 삭제하시겠습니까?")) return;
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await fetch("/api/delete_saved", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ index: i })
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});
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loadSaved(); // 목록 갱신
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}
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/* 페이지 로드 시 저장된 AP 불러오기 */
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loadSaved();
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</script>
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</head>
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<body style="background-color:#1C304A; color:white; font-family: Arial;">
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<h2>WiFi Setup</h2>
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<!-- 입력 영역 -->
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<label>SSID</label><br>
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<input id="ssid" style="width:200px;"><br><br>
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<label>Password</label><br>
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<input id="pass" type="password" style="width:200px;"><br><br>
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<!-- 버튼 정렬 -->
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<button onclick="connectWifi()">Connect</button>
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<button onclick="scanWifi()">Scan</button>
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<hr>
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<!-- Scan 결과 -->
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<div id="scan"></div>
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<hr>
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<!-- 상태 표시 -->
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<div id="result"></div>
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<hr>
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<!-- 저장된 네트워크 -->
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<h3>Saved Networks</h3>
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<div id="saved"></div>
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<br>
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<button onclick="disconnectWifi()">Disconnect</button>
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<a href="/" style="color:#7faaff;">Back</a>
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</body>
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</html>
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46
lib/README
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46
lib/README
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@ -0,0 +1,46 @@
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This directory is intended for project specific (private) libraries.
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PlatformIO will compile them to static libraries and link into the executable file.
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The source code of each library should be placed in a separate directory
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("lib/your_library_name/[Code]").
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For example, see the structure of the following example libraries `Foo` and `Bar`:
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|--lib
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| |
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| |--Bar
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| | |--docs
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| | |--examples
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| | |--src
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| | |- Bar.c
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| | |- Bar.h
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| | |- library.json (optional. for custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
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| |
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| |--Foo
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| | |- Foo.c
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| | |- Foo.h
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| |
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| |- README --> THIS FILE
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|
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|- platformio.ini
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|--src
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|- main.c
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Example contents of `src/main.c` using Foo and Bar:
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```
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#include <Foo.h>
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#include <Bar.h>
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int main (void)
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{
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...
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}
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```
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The PlatformIO Library Dependency Finder will find automatically dependent
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libraries by scanning project source files.
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More information about PlatformIO Library Dependency Finder
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- https://docs.platformio.org/page/librarymanager/ldf.html
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16
platformio.ini
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16
platformio.ini
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; PlatformIO Project Configuration File
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;
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; Build options: build flags, source filter
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; Upload options: custom upload port, speed and extra flags
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; Library options: dependencies, extra library storages
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; Advanced options: extra scripting
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;
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; Please visit documentation for the other options and examples
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; https://docs.platformio.org/page/projectconf.html
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[env:d1]
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platform = espressif8266
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board = d1
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framework = arduino
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monitor_speed = 115200
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board_build.filesystem = littlefs
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35
src/main.cpp
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35
src/main.cpp
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#include <Arduino.h>
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#include <ESP8266WebServer.h>
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#include <LittleFS.h>
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#include "mainpage/mainpage.h"
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#include "wifi/wifi.h"
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ESP8266WebServer server(80); // 🔹 전역 서버 객체
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void setup()
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{
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Serial.begin(115200);
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delay(1000);
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Serial.println("Booting system...");
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if (!LittleFS.begin())
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{
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Serial.println("LittleFS mount failed!");
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}
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else
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{
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Serial.println("LittleFS mounted.");
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}
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mainPageSetup(server); // 🔹 Main 페이지 등록
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wifiSetup(server); // 🔹 WiFi 모듈 초기화
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server.begin();
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Serial.println("Web server started");
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}
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void loop()
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{
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server.handleClient();
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wifiLoop(); // FSM 기반 WiFi 관리
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}
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10
src/mainpage/mainpage.cpp
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10
src/mainpage/mainpage.cpp
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#include "mainpage.h"
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#include <LittleFS.h>
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void mainPageSetup(ESP8266WebServer& server) {
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server.on("/", [&server]() {
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File f = LittleFS.open("/index.html", "r");
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server.streamFile(f, "text/html");
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f.close();
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});
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}
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8
src/mainpage/mainpage.h
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8
src/mainpage/mainpage.h
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#ifndef MAINPAGE_MODULE_H
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#define MAINPAGE_MODULE_H
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#include <ESP8266WebServer.h>
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void mainPageSetup(ESP8266WebServer& server);
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#endif
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322
src/wifi/wifi.cpp
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322
src/wifi/wifi.cpp
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#include "wifi.h"
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#include <ESP8266WiFi.h>
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#include <LittleFS.h>
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#include <EEPROM.h>
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#define EEPROM_SIZE 1024
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#define MAX_WIFI 10
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#define SSID_LEN 32
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#define PASS_LEN 64
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unsigned long connectStart = 0;
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bool connecting = false;
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struct WifiCred
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{
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char ssid[SSID_LEN];
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char pass[PASS_LEN];
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};
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WifiState wifiState = WIFI_IDLE;
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WiFiEventHandler onDisconnectHandler;
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unsigned long lastReconnectAttempt = 0;
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const unsigned long RECONNECT_INTERVAL = 10000; // 10초
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WifiCred wifiList[MAX_WIFI];
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int wifiCount = 0;
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// --- EEPROM functions ---
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void loadWifiFromEEPROM()
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{
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EEPROM.begin(EEPROM_SIZE);
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EEPROM.get(0, wifiCount);
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if (wifiCount < 0 || wifiCount > MAX_WIFI)
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wifiCount = 0;
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EEPROM.get(sizeof(int), wifiList);
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Serial.printf("Loaded %d WiFi creds\n", wifiCount);
|
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}
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void saveWifiToEEPROM()
|
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{
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EEPROM.put(0, wifiCount);
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EEPROM.put(sizeof(int), wifiList);
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EEPROM.commit();
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Serial.println("WiFi creds saved to EEPROM");
|
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}
|
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|
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void addWifiCred(const String &ssid, const String &pass)
|
||||
{
|
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int found = -1;
|
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|
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for (int i = 0; i < wifiCount; i++)
|
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{
|
||||
if (ssid == wifiList[i].ssid)
|
||||
{
|
||||
found = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
WifiCred cred;
|
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strncpy(cred.ssid, ssid.c_str(), SSID_LEN);
|
||||
strncpy(cred.pass, pass.c_str(), PASS_LEN);
|
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|
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if (found == -1)
|
||||
{
|
||||
// 신규 AP → 공간 없으면 마지막 제거
|
||||
if (wifiCount < MAX_WIFI)
|
||||
{
|
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wifiCount++;
|
||||
}
|
||||
// 뒤에서부터 한 칸씩 밀기
|
||||
for (int i = wifiCount - 1; i > 0; i--)
|
||||
{
|
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wifiList[i] = wifiList[i - 1];
|
||||
}
|
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wifiList[0] = cred;
|
||||
}
|
||||
else
|
||||
{
|
||||
// 기존 AP → 0번으로 이동
|
||||
for (int i = found; i > 0; i--)
|
||||
{
|
||||
wifiList[i] = wifiList[i - 1];
|
||||
}
|
||||
wifiList[0] = cred;
|
||||
}
|
||||
|
||||
saveWifiToEEPROM();
|
||||
}
|
||||
|
||||
// --- WiFi Setup ---
|
||||
void wifiSetup(ESP8266WebServer &server)
|
||||
{
|
||||
|
||||
loadWifiFromEEPROM();
|
||||
|
||||
setupWifiEvents();
|
||||
|
||||
WiFi.mode(WIFI_AP);
|
||||
WiFi.softAP("TEST_AP", "12345678");
|
||||
|
||||
Serial.print("AP IP: ");
|
||||
Serial.println(WiFi.softAPIP());
|
||||
|
||||
// ✅ ⑤ 자동 재연결
|
||||
if (wifiCount > 0)
|
||||
{
|
||||
Serial.print("Auto connect to: ");
|
||||
Serial.println(wifiList[0].ssid);
|
||||
WiFi.mode(WIFI_AP_STA);
|
||||
WiFi.begin(wifiList[0].ssid, wifiList[0].pass);
|
||||
connecting = true;
|
||||
connectStart = millis();
|
||||
wifiState = WIFI_CONNECTING;
|
||||
}
|
||||
|
||||
// --- WiFi Page ---
|
||||
server.on("/wifi", [&server]()
|
||||
{
|
||||
Serial.println("GET /wifi");
|
||||
File f = LittleFS.open("/wifi.html", "r");
|
||||
if (!f) {
|
||||
server.send(500, "text/plain", "wifi.html not found");
|
||||
return;
|
||||
}
|
||||
server.streamFile(f, "text/html");
|
||||
f.close(); });
|
||||
|
||||
// --- Scan API ---
|
||||
server.on("/api/scan", HTTP_GET, [&server]()
|
||||
{
|
||||
Serial.println("API: scan");
|
||||
|
||||
int n = WiFi.scanNetworks();
|
||||
String json = "[";
|
||||
bool first = true;
|
||||
|
||||
for (int i = 0; i < n; i++) {
|
||||
String ssid = WiFi.SSID(i);
|
||||
if (ssid.length() == 0) continue;
|
||||
if (!first) json += ",";
|
||||
first = false;
|
||||
json += "{\"ssid\":\"" + ssid + "\",\"rssi\":" + String(WiFi.RSSI(i)) + "}";
|
||||
}
|
||||
json += "]";
|
||||
server.send(200, "application/json", json); });
|
||||
|
||||
// --- Connect API ---
|
||||
server.on("/api/connect", HTTP_POST, [&server]()
|
||||
{
|
||||
Serial.println("API: connect");
|
||||
|
||||
String body = server.arg("plain");
|
||||
|
||||
int s1 = body.indexOf("\"ssid\":\"") + 8;
|
||||
int s2 = body.indexOf("\"", s1);
|
||||
int p1 = body.indexOf("\"pass\":\"") + 8;
|
||||
int p2 = body.indexOf("\"", p1);
|
||||
|
||||
String ssid = body.substring(s1, s2);
|
||||
String pass = body.substring(p1, p2);
|
||||
|
||||
Serial.printf("Connecting to SSID: %s\n", ssid.c_str());
|
||||
|
||||
addWifiCred(ssid, pass);
|
||||
|
||||
WiFi.mode(WIFI_AP_STA);
|
||||
WiFi.begin(ssid.c_str(), pass.c_str());
|
||||
|
||||
connecting = true;
|
||||
connectStart = millis();
|
||||
wifiState = WIFI_CONNECTING;
|
||||
|
||||
server.send(200, "text/plain", "Connecting..."); });
|
||||
|
||||
// --- Status API ---
|
||||
server.on("/api/status", HTTP_GET, [&server]()
|
||||
{
|
||||
String json = "{";
|
||||
wl_status_t st = WiFi.status();
|
||||
|
||||
json += "\"status\":\"";
|
||||
if (st == WL_CONNECTED) json += "connected";
|
||||
else if (connecting) json += "connecting";
|
||||
else json += "disconnected";
|
||||
json += "\"";
|
||||
|
||||
if (st == WL_CONNECTED) {
|
||||
json += ",\"ssid\":\"" + WiFi.SSID() + "\"";
|
||||
json += ",\"ip\":\"" + WiFi.localIP().toString() + "\"";
|
||||
json += ",\"rssi\":" + String(WiFi.RSSI());
|
||||
}
|
||||
json += "}";
|
||||
|
||||
server.send(200, "application/json", json); });
|
||||
|
||||
// --- Saved AP List API ---
|
||||
server.on("/api/saved", HTTP_GET, [&server]()
|
||||
{
|
||||
String json = "[";
|
||||
for (int i = 0; i < wifiCount; i++) {
|
||||
if (i) json += ",";
|
||||
json += "\"";
|
||||
json += wifiList[i].ssid;
|
||||
json += "\"";
|
||||
}
|
||||
json += "]";
|
||||
server.send(200, "application/json", json); });
|
||||
|
||||
/// --- Connect to saved AP by index ---
|
||||
server.on("/api/connect_saved", HTTP_POST, [&server]()
|
||||
{
|
||||
Serial.println("API: connect_saved");
|
||||
|
||||
String body = server.arg("plain"); // ✅ body 정의
|
||||
|
||||
int p = body.indexOf(":") + 1;
|
||||
int e = body.indexOf("}", p);
|
||||
int idx = body.substring(p, e).toInt();
|
||||
|
||||
if (idx >= 0 && idx < wifiCount) {
|
||||
Serial.printf("Connecting to saved: %s\n", wifiList[idx].ssid);
|
||||
|
||||
WiFi.mode(WIFI_AP_STA);
|
||||
WiFi.begin(wifiList[idx].ssid, wifiList[idx].pass);
|
||||
|
||||
connecting = true;
|
||||
connectStart = millis();
|
||||
|
||||
server.send(200, "text/plain", "Connecting to saved AP...");
|
||||
} else {
|
||||
server.send(400, "text/plain", "Invalid index");
|
||||
} });
|
||||
|
||||
// --- Disconnect API ---
|
||||
server.on("/api/disconnect", HTTP_POST, [&server]()
|
||||
{
|
||||
Serial.println("API: disconnect");
|
||||
|
||||
WiFi.disconnect(true);
|
||||
WiFi.mode(WIFI_AP); // ✅ 여기 중요
|
||||
|
||||
connecting = false;
|
||||
server.send(200, "text/plain", "Disconnected"); });
|
||||
// --- Delete saved AP by index ---
|
||||
server.on("/api/delete_saved", HTTP_POST, [&server]()
|
||||
{
|
||||
Serial.println("API: delete_saved");
|
||||
|
||||
String body = server.arg("plain");
|
||||
|
||||
int p = body.indexOf(":") + 1;
|
||||
int e = body.indexOf("}", p);
|
||||
int idx = body.substring(p, e).toInt();
|
||||
|
||||
if (idx >= 0 && idx < wifiCount) {
|
||||
Serial.printf("Delete saved AP: %s\n", wifiList[idx].ssid);
|
||||
|
||||
// 뒤의 항목들을 앞으로 당김
|
||||
for (int i = idx; i < wifiCount - 1; i++) {
|
||||
wifiList[i] = wifiList[i + 1];
|
||||
}
|
||||
wifiCount--;
|
||||
saveWifiToEEPROM();
|
||||
|
||||
server.send(200, "text/plain", "Deleted");
|
||||
} else {
|
||||
server.send(400, "text/plain", "Invalid index");
|
||||
} });
|
||||
}
|
||||
void setupWifiEvents() {
|
||||
onDisconnectHandler = WiFi.onStationModeDisconnected(
|
||||
[](const WiFiEventStationModeDisconnected& event) {
|
||||
Serial.println("WiFi event: disconnected");
|
||||
wifiState = WIFI_LOST;
|
||||
lastReconnectAttempt = 0;
|
||||
}
|
||||
);
|
||||
}
|
||||
void wifiLoop() {
|
||||
wl_status_t st = WiFi.status();
|
||||
|
||||
// CONNECTING → CONNECTED
|
||||
if (wifiState == WIFI_CONNECTING && st == WL_CONNECTED) {
|
||||
wifiState = WIFI_CONNECTED;
|
||||
connecting = false;
|
||||
Serial.println("WiFi FSM: CONNECTED");
|
||||
return;
|
||||
}
|
||||
|
||||
// CONNECTED 상태에서 끊김 감지 (이벤트가 놓쳤을 경우 보조)
|
||||
if (wifiState == WIFI_CONNECTED && st != WL_CONNECTED) {
|
||||
wifiState = WIFI_LOST;
|
||||
Serial.println("WiFi FSM: LOST");
|
||||
}
|
||||
|
||||
// LOST 상태 → 제한적 재연결
|
||||
if (wifiState == WIFI_LOST && wifiCount > 0) {
|
||||
if (millis() - lastReconnectAttempt > RECONNECT_INTERVAL) {
|
||||
lastReconnectAttempt = millis();
|
||||
Serial.println("WiFi FSM: Reconnect attempt");
|
||||
|
||||
WiFi.mode(WIFI_AP_STA);
|
||||
WiFi.begin(wifiList[0].ssid, wifiList[0].pass);
|
||||
|
||||
connecting = true;
|
||||
connectStart = millis();
|
||||
wifiState = WIFI_CONNECTING;
|
||||
}
|
||||
}
|
||||
|
||||
// CONNECTING 타임아웃 → LOST
|
||||
if (wifiState == WIFI_CONNECTING &&
|
||||
millis() - connectStart > 15000) {
|
||||
Serial.println("WiFi FSM: connect timeout");
|
||||
WiFi.disconnect();
|
||||
wifiState = WIFI_LOST;
|
||||
connecting = false;
|
||||
}
|
||||
}
|
||||
16
src/wifi/wifi.h
Normal file
16
src/wifi/wifi.h
Normal file
@ -0,0 +1,16 @@
|
||||
#pragma once
|
||||
#include <ESP8266WebServer.h>
|
||||
|
||||
void wifiSetup(ESP8266WebServer &server);
|
||||
void wifiLoop();
|
||||
|
||||
// FSM 상태
|
||||
enum WifiState
|
||||
{
|
||||
WIFI_IDLE,
|
||||
WIFI_CONNECTING,
|
||||
WIFI_CONNECTED,
|
||||
WIFI_LOST
|
||||
};
|
||||
|
||||
extern WifiState wifiState;
|
||||
Loading…
x
Reference in New Issue
Block a user