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wifi_link_tool.h
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/*
wifi link tool 配网库
by:发明控
版本v1.0.2
测试环境 sdk版本：2.5.0 arduino版本1.8.8
项目地址：https://github.com/bilibilifmk/wifi_link_tool 项目成员：发明控 狗腿
*/
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <ESP8266WebServer.h>
#include <EEPROM.h>
#include <FS.h>
#include <DNSServer.h>
#include <ESP8266mDNS.h>
const char *AP_name = "wifi_link_tool"; //修改后即不支持微信配网
/////////////////////////////////////////////////////不建议修改部分//////////////////////////////////////////////////////////////////
String Hostname = "ESP8266";
String url = Hostname + ".com";
int Signal_filtering = -200;
const byte DNS_PORT = 53;
String WiFi_State;
#define WiFi_State_Addr 0
bool wxscan=true;
int rstb=0;
int stateled=2;
IPAddress apIP(6, 6, 6, 6);
DNSServer dnsServer;
ESP8266WebServer webServer(80);
String responseHTML =" <html><head><title>正在跳转</title></head><body><script language='javascript'>document.location = '/'</script></body></html>";
//心跳服务
void pant(){
MDNS.update();
dnsServer.processNextRequest();
webServer.handleClient();
}
void torest()
{
WiFi.disconnect(true);
delay(100);
EEPROM.write(WiFi_State_Addr, 0);
EEPROM.commit();
delay(300);
Serial.print("重置成功！正在重启。");
ESP.restart();
}
int link()
{
int a=0;
if(WiFi_State=="1")
{
a=1;
}
return a;
}
void wwwroot()
{
if (WiFi_State == "1")
{
File file = SPIFFS.open("/index.html", "r");
webServer.streamFile(file, "text/html");
file.close();
}
else if (WiFi_State == "0")
{
File file = SPIFFS.open("/config.html", "r");
webServer.streamFile(file, "text/html");
file.close();
}
}
void wifiConfig()
{
if (webServer.hasArg("ssid") && webServer.hasArg("password") && WiFi_State == "0")
{
int ssid_len = webServer.arg("ssid").length();
int password_len = webServer.arg("password").length();
if ((ssid_len > 0) && (ssid_len < 33) && (password_len > 7) && (password_len < 65))
{
String ssid_str = webServer.arg("ssid");
String password_str = webServer.arg("password");
const char *ssid = ssid_str.c_str();
const char *password = password_str.c_str();
Serial.print("SSID: ");
Serial.println(ssid);
Serial.print("Password: ");
Serial.println(password);
WiFi.begin(ssid, password);
Serial.print("Connenting");
unsigned long millis_time = millis();
while ((WiFi.status() != WL_CONNECTED) && (millis() - millis_time < 8000))
{
delay(500);
Serial.print(".");
}
if (WiFi.status() == WL_CONNECTED)
{
digitalWrite(stateled, HIGH);
Serial.println("");
Serial.println("Connected successfully!");
Serial.print("IP Address: ");
Serial.println(WiFi.localIP());
Serial.print("http://");
Serial.println(Hostname);
webServer.send(200, "text/plain", "1");
delay(300);
WiFi_State = "1";
EEPROM.write(WiFi_State_Addr, 1);
EEPROM.commit();
delay(50);
WiFi.softAPdisconnect();
}
else
{
Serial.println("Connenting failed!");
webServer.send(200, "text/plain", "0");
}
}
else
{
Serial.println("Password format error");
webServer.send(200, "text/plain", "Password format error");
}
}
else
{
Serial.println("Request parameter error");
webServer.send(200, "text/plain", "Request parameter error");
}
}
String wifi_type(int typecode)
{
if (typecode == ENC_TYPE_NONE) return "Open";
if (typecode == ENC_TYPE_WEP) return "WEP ";
if (typecode == ENC_TYPE_TKIP) return "WPA ";
if (typecode == ENC_TYPE_CCMP) return "WPA2";
if (typecode == ENC_TYPE_AUTO) return "WPA*";
}
void wifiScan()
{
String req_json = "";
Serial.println("Scan WiFi");
int n = WiFi.scanNetworks();
if (n > 0)
{
int m = 0;
req_json = "{\"req\":[";
for (int i = 0; i < n; i++)
{
if ((int)WiFi.RSSI(i) >= Signal_filtering)
// if (1)
{
m++;
String a="{\"ssid\":\"" + (String)WiFi.SSID(i) + "\"," + "\"encryptionType\":\"" + wifi_type(WiFi.encryptionType(i)) + "\"," + "\"rssi\":" + (int)WiFi.RSSI(i) + "},";
if(a.length()>15)
req_json += a;
}
}
req_json.remove(req_json.length() - 1);
req_json += "]}";
webServer.send(200, "text/json;charset=UTF-8", req_json);
Serial.print("Found ");
Serial.print(m);
Serial.print(" WiFi! >");
Serial.print(Signal_filtering);
Serial.println("dB");
}
}
void opera() {
if(webServer.arg("opera") == "sb"){
webServer.send(200, "text/plain", Hostname);
}
}
void blink() {
Serial.println("Keep 3 seconds to reset!");
bool res_state = true;
unsigned int res_time = millis();
while (millis() - res_time < 3000)
{
if (digitalRead(rstb) != LOW)
{
res_state = false;
Serial.println("Cancel reset!");
break;
}
}
if (res_state == true)
{
WiFi.disconnect(true);
delay(100);
EEPROM.write(WiFi_State_Addr, 0);
EEPROM.commit();
delay(300);
Serial.println("Press the 'rst' button!");
while (1) {
digitalWrite(stateled, LOW);
delay(250);
digitalWrite(stateled, HIGH);
delay(250);
}
Serial.println("重置!");
ESP.restart();
}
}
//加载部分
void load(){
attachInterrupt(digitalPinToInterrupt(rstb), blink, FALLING);
Serial.println("");
EEPROM.begin(4096);
SPIFFS.begin();
WiFi.hostname(Hostname);
pinMode(stateled, OUTPUT);
WiFi_State = EEPROM.read(WiFi_State_Addr);
delay(300);
if (WiFi_State == "1")
{
Serial.println("找到配置!");
Serial.print("链接网络");
unsigned millis_time = millis();
while ((WiFi.status() != WL_CONNECTED) && (millis() - millis_time < 5000))
{
delay(250);
Serial.print(".");
}
if (wxscan){
if (MDNS.begin(Hostname)) { Serial.println("mDNS以启动"); }
MDNS.addService("http", "tcp", 80);
}
Serial.println("");
if (WiFi.status() == WL_CONNECTED)
{
Serial.print("IP 地址: ");
Serial.println(WiFi.localIP());
Serial.print("http://");
Serial.println(Hostname);
digitalWrite(stateled, HIGH);
}
else
{
Serial.println("链接失败!");
Serial.println("请尝试重置系统!");
digitalWrite(stateled, LOW);
}
}
else if (WiFi_State == "0")
{
digitalWrite(stateled, LOW);
WiFi.disconnect(true);
Serial.println("");
Serial.print("启动WiFi配置 \n建立AP 名称 --> ");
Serial.println(AP_name);
Serial.print("http://");
Serial.println(url);
WiFi.mode(WIFI_AP_STA);
WiFi.softAP(AP_name);
}
else
{
Serial.println("初次启动");
EEPROM.write(WiFi_State_Addr, 0);
EEPROM.commit();
delay(300);
Serial.println("请重置系统！");
while (1) {
digitalWrite(stateled, LOW);
delay(250);
digitalWrite(stateled, HIGH);
delay(250);
}
}
Serial.println("启动http服务");
webServer.on("/", wwwroot);
webServer.on("/wificonfig", wifiConfig);
webServer.on("/wifiscan", wifiScan);
webServer.on("/opera", opera);
WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0));
dnsServer.start(DNS_PORT, "*", apIP);
webServer.onNotFound([]() {
webServer.send(200, "text/html", responseHTML);
});
webServer.begin();
}