mirror of
https://github.com/0x1d/esp8266-laser.git
synced 2025-12-15 18:38:20 +01:00
5aa7375f7a
- some error when writing/reading from file setting ssid and password through web and then reconnecting wifi works = may change storage variant in file to json
425 lines
10 KiB
C++
425 lines
10 KiB
C++
/*
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https://github.com/0x1d/esp8266-laser
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#usage:
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/motor/{motorNr}/{value}
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/laser/{value}
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/ssid/{ssidname}
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/pwd/{password}
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/wiap/1 -> SofAP, 0 -> client
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/saveconf -> will write wificonfig to file
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*/
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#include <ESP8266WiFi.h>
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#include <WiFiClient.h>
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#include <ESP8266WebServer.h>
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#include <ESP8266mDNS.h>
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#include <FS.h>
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#include <SoftwareSerial.h>
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SoftwareSerial laserSerial(14, 12, false, 256);
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String ssid2 = "XTZ-72315";
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String password2 = "dgzv-6erv-63wl-vpzz";
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String ssid = "";
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String password = "";
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int wifiMode = 0; // 0: client, 1: AP (default)
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int wifiTimeout = 20000; //ms
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/* Soft AP network parameters */
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char *ssidAP = "laserAp";
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IPAddress apIP(192, 168, 4, 1); // note: update metaRefreshStr string if ip change!
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IPAddress netMsk(255, 255, 255, 0);
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/* hostname for mDNS. Should work at least on windows. Try http://esp8266.local */
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const char *myHostname = "esplaser";
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const char *metaRefreshStr = "<head><meta http-equiv=\"refresh\" content=\"3; url=/index.html\" /></head><body><p>redirecting...</p></body>";
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unsigned long previousMillis = 0;
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// Web server
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ESP8266WebServer server(80);
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//format bytes
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String formatBytes(size_t bytes) {
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if (bytes < 1024) {
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return String(bytes) + "B";
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} else if (bytes < (1024 * 1024)) {
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return String(bytes / 1024.0) + "KB";
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} else if (bytes < (1024 * 1024 * 1024)) {
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return String(bytes / 1024.0 / 1024.0) + "MB";
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} else {
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return String(bytes / 1024.0 / 1024.0 / 1024.0) + "GB";
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}
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}
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boolean writeWifiConfigFile() {
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}
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void readWifiConfigFile() {
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File f = SPIFFS.open("/config.ini", "r");
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if (!f) {
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Serial.println("config file open failed");
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}
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Serial.println("Reading wifi config");
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String s = f.readStringUntil('\n');
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if (s.substring(0, 4) == "mode") {
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wifiMode = s.substring(5, 6).toInt();
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Serial.print("wifiMode=");
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Serial.print(wifiMode);
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Serial.println(";");
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}
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s = f.readStringUntil('\n');
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if (s.substring(0, 4) == "ssid") {
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ssid = String();
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ssid = s.substring(5);
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Serial.print("ssid=");
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Serial.print(ssid);
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Serial.println(";");
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}
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s = f.readStringUntil('\n');
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if (s.substring(0, 3) == "pwd") {
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password = String();
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password = s.substring(4);
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Serial.print("password=");
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Serial.print(password);
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Serial.println(";");
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}
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f.close();
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}
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String getContentType(String filename) {
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if (server.hasArg("download")) return "application/octet-stream";
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else if (filename.endsWith(".htm")) return "text/html";
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else if (filename.endsWith(".html")) return "text/html";
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else if (filename.endsWith(".ini")) return "text/plain";
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else if (filename.endsWith(".css")) return "text/css";
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else if (filename.endsWith(".js")) return "application/javascript";
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else if (filename.endsWith(".png")) return "image/png";
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else if (filename.endsWith(".gif")) return "image/gif";
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else if (filename.endsWith(".jpg")) return "image/jpeg";
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else if (filename.endsWith(".ico")) return "image/x-icon";
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else if (filename.endsWith(".xml")) return "text/xml";
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else if (filename.endsWith(".pdf")) return "application/x-pdf";
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else if (filename.endsWith(".zip")) return "application/x-zip";
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else if (filename.endsWith(".gz")) return "application/x-gzip";
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return "text/plain";
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}
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bool handleFileRead(String path) {
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Serial.println("handleFileRead: " + path);
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if (path.endsWith("/")) path += "index.html";
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String contentType = getContentType(path);
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String pathWithGz = path + ".gz";
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if (SPIFFS.exists(pathWithGz) || SPIFFS.exists(path)) {
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if (SPIFFS.exists(pathWithGz))
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path += ".gz";
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File file = SPIFFS.open(path, "r");
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size_t sent = server.streamFile(file, contentType);
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file.close();
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return true;
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}
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return false;
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}
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void handleFileList() {
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if (!server.hasArg("dir")) {
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server.send(500, "text/plain", "BAD ARGS");
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return;
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}
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String path = server.arg("dir");
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Serial.println("handleFileList: " + path);
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Dir dir = SPIFFS.openDir(path);
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path = String();
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String output = "[";
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while (dir.next()) {
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File entry = dir.openFile("r");
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if (output != "[") output += ',';
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bool isDir = false;
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output += "{\"type\":\"";
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output += (isDir) ? "dir" : "file";
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output += "\",\"name\":\"";
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output += String(entry.name()).substring(1);
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output += "\"}";
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entry.close();
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}
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output += "]";
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server.send(200, "text/json", output);
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}
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void handleLaser(String uri)
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{
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String laserValue = uri.substring(7);
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String msg = "AT SLV ";
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msg += laserValue;
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Serial.println("Sent to Laser: " + msg);
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laserSerial.println(msg);
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String json = "{ \"handledLaser\":";
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json += "{\"value\":\"" + laserValue + "\"}}";
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//server.send(200, "text/plain", "blub");
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server.send(200, "text/json", json);
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json = String();
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}
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void handleMotor(String uri)
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{
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String motorNr = uri.substring(7, 8);
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String motorValue = uri.substring(9);
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String msg = "AT SMS ";
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msg += motorNr;
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msg += " ";
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msg += motorValue;
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Serial.println("Sent to Laser: " + msg);
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laserSerial.println(msg);
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String json = "{ \"handledMotor\": ";
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json += "{ \"motor\":\"" + motorNr + "\", ";
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json += "\"value\":\"" + motorValue + "\" }}";
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//server.send(200, "text/plain", "blub");
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server.send(200, "text/json", json);
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json = String();
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}
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void handleSsid(String uri)
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{
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ssid = uri.substring(6);
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String json = "{ \"handledSsid\":";
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json += "{\"ssid\":\"" + (String)ssid + "\"}}";
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server.send(200, "text/json", json);
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json = String();
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}
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void handlePwd(String uri)
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{
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password = uri.substring(5);
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String json = "{ \"handledPwd\":";
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json += "{\"password\":\"" + (String)password + "\"}}";
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server.send(200, "text/json", json);
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json = String();
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}
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void handleWiAp(String uri)
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{
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wifiMode = uri.substring(6, 7).toInt();
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String json = "{ \"handledWiAp\":";
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json += "{\"softAp\":\"" + (String)wifiMode + "\"}}";
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server.send(200, "text/json", json);
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json = String();
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}
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void handleSaveConf() {
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boolean success = false;
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File f = SPIFFS.open("/config.ini", "w");
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if (!f) {
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Serial.println("config file open failed");
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success = false;
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}
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else
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{
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Serial.println("Writing wifi config");
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f.print("mode:");
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f.println(wifiMode);
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f.print("ssid:");
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f.println(ssid);
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f.print("pwd:");
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f.println(password);
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f.close();
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success = true;
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}
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if (success == true)
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{
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server.send(200, "text/plain", "saved config to file, reset to apply");
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}
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else
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{
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server.send(500, "text/plain", "error saving file");
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}
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}
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boolean setupWifi() {
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Serial.print("setupWifi mode=");
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Serial.println(wifiMode);
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if (wifiMode == 0)
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{
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Serial.print("Connecting to ");
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Serial.println(ssid);
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WiFi.mode(WIFI_STA);
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WiFi.begin(ssid.c_str(), password2.c_str());
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previousMillis = millis();
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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Serial.print(WiFi.status());
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if (millis() - previousMillis >= wifiTimeout) {
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Serial.println("");
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Serial.println("connection timedout");
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return false;
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}
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}
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Serial.println("");
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Serial.println("WiFi connected");
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Serial.println("IP address: ");
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Serial.println(WiFi.localIP());
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return true;
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}
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else if (wifiMode == 1)
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{
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Serial.printf("Starting SoftAP %s\n", ssidAP);
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WiFi.mode(WIFI_AP);
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WiFi.softAP(ssidAP);
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Serial.print("SoftAP started! IP address: ");
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Serial.println ( WiFi.softAPIP() );
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return true;
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}
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}
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void setup(void) {
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laserSerial.begin(9600);
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Serial.begin(115200);
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Serial.print("\n");
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SPIFFS.begin();
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{
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Dir dir = SPIFFS.openDir("/");
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while (dir.next()) {
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String fileName = dir.fileName();
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size_t fileSize = dir.fileSize();
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Serial.printf("FS File: %s, size: %s\n", fileName.c_str(), formatBytes(fileSize).c_str());
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}
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Serial.printf("\n");
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}
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//WIFI INIT
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WiFi.disconnect();
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delay(100);
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readWifiConfigFile();
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delay(100);
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delay(100);
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int n = WiFi.scanNetworks();
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Serial.println("scan done");
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if (n == 0)
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Serial.println("no networks found");
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else
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{
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// Serial.print(n);
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// Serial.println(" networks found");
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for (int i = 0; i < n; ++i)
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{
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// Print SSID and RSSI for each network found
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// Serial.print(i + 1);
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// Serial.print(": ");
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// Serial.print(WiFi.SSID(i));
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// Serial.print(" (");
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// Serial.print(WiFi.RSSI(i));
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// Serial.print(")");
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// Serial.println((WiFi.encryptionType(i) == ENC_TYPE_NONE) ? " " : "*");
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delay(10);
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if (WiFi.SSID(i) == ssid) {
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Serial.println("found ssid");
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}
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else if (WiFi.SSID(i) == ssid.c_str()) {
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Serial.println("found ssid.c_str");
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}
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else if (WiFi.SSID(i) == ssid2) {
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Serial.println("found ssid2");
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}
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else if (WiFi.SSID(i) == ssid2.c_str()) {
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Serial.println("found ssid2.c_str()");
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}
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}
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}
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boolean wifiConnected = setupWifi();
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if (!wifiConnected)
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{
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Serial.println("set wifiMode=1");
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wifiMode = 1; // fallback to AP mode
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setupWifi();
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}
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// Setup MDNS responder
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if (!MDNS.begin(myHostname)) {
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Serial.println("Error setting up MDNS responder!");
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} else {
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Serial.println("mDNS responder started");
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// Add service to MDNS-SD
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MDNS.addService("http", "tcp", 80);
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}
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//SERVER INIT
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//list directory
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server.on("/listFiles", HTTP_GET, handleFileList);
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//server.on("/wwc", HTTP_GET, writeWifiConfigFile);
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//server.on("/rwc", HTTP_GET, readWifiConfigFile);
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server.on("/saveconf", HTTP_GET, handleSaveConf);
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server.on("/sw", HTTP_GET, setupWifi);
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server.on("/heap", HTTP_GET, []() {
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String json = "{";
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json += "\"heap\":" + String(ESP.getFreeHeap());
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json += "}";
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server.send(200, "text/json", json);
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json = String();
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});
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server.onNotFound(handleNotFound);
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server.begin();
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Serial.println("HTTP server started");
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}
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void handleNotFound() {
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String uri = server.uri();
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Serial.print("unhandled uri:");
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Serial.println(uri);
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if (uri.substring(0, 7) == "/motor/")
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{
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handleMotor(uri);
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return;
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}
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if (uri.substring(0, 7) == "/laser/")
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{
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handleLaser(uri);
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return;
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}
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if (uri.substring(0, 6) == "/ssid/")
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{
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handleSsid(uri);
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return;
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}
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if (uri.substring(0, 5) == "/pwd/")
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{
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handlePwd(uri);
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return;
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}
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if (uri.substring(0, 6) == "/wiap/")
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{
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handleWiAp(uri);
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return;
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}
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if (!handleFileRead(server.uri()))
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{
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server.send(302, "text/html", metaRefreshStr);
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// server.send(302, "text/plain", "blub");
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}
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}
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void loop(void) {
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server.handleClient();
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}
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