webserver

k3ng_rotator_controller/k3ng_rotator_controller.ino

@@ -1867,7 +1867,9 @@ struct config_t {
 #endif
 
 
-
+void 
+  wifiSetup(void);
+  
 /* ------------------ let's start doing some stuff now that we got the formalities out of the way --------------------*/
 
 void setup() {
@@ -1888,6 +1890,8 @@ void setup() {
 
   initialize_interrupts();
 
+  wifiSetup();
+
   run_this_once();
 
 
@@ -1895,6 +1899,8 @@ void setup() {
 
 /*-------------------------- here's where the magic happens --------------------------------*/
 
+void wifiLoop(void);
+
 void loop() {
 
   #ifdef DEBUG_LOOP
@@ -2093,6 +2099,8 @@ void loop() {
     check_serial();
   #endif
 
+  wifiLoop();
+
 } // loop 
 
 /* -------------------------------------- subroutines -----------------------------------------------

k3ng_rotator_controller/wifi.cpp

@@ -0,0 +1,146 @@
+
+
+#include <WiFi.h>
+#include <WiFiClient.h>
+#include <WebServer.h>
+#include <LEAmDNS.h>
+#include <string>
+
+#ifndef STASSID
+#define STASSID "ENRICO"
+#define STAPSK "cqdxcqdx"
+#endif
+
+const char* ssid = STASSID;
+const char* password = STAPSK;
+
+WebServer server(80);
+
+
+extern float azimuth;
+extern float raw_azimuth;
+extern int analog_az;
+
+void handleRoot() {
+
+  std::string reply = "Pico W rotator<br/>";
+
+  reply += "Azimuth: " + std::to_string(azimuth) + "<br/>";
+  reply += "Raw Azimuth: " + std::to_string(raw_azimuth) + "<br/>";
+  reply += "Analog Azimuth: " + std::to_string(analog_az) + "<br/>";
+  
+  server.send(200, "text/html", reply.c_str());
+}
+
+
+void handleNotFound() {
+  String message = "File Not Found\n\n";
+  message += "URI: ";
+  message += server.uri();
+  message += "\nMethod: ";
+  message += (server.method() == HTTP_GET) ? "GET" : "POST";
+  message += "\nArguments: ";
+  message += server.args();
+  message += "\n";
+  for (uint8_t i = 0; i < server.args(); i++) {
+    message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
+  }
+  server.send(404, "text/plain", message);
+}
+
+
+
+void wifiSetup(void) {
+
+  
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+  Serial.println("");
+
+  // Wait for connection
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("");
+  Serial.print("Connected to ");
+  Serial.println(ssid);
+  Serial.print("IP address: ");
+  Serial.println(WiFi.localIP());
+
+  if (MDNS.begin("picow")) {
+    Serial.println("MDNS responder started");
+  }
+
+  server.on("/", handleRoot);
+
+  server.on("/inline", []() {
+    server.send(200, "text/plain", "this works as well");
+  });
+ 
+  server.onNotFound(handleNotFound);
+
+  /////////////////////////////////////////////////////////
+  // Hook examples
+
+  server.addHook([](const String & method, const String & url, WiFiClient * client, WebServer::ContentTypeFunction contentType) {
+    (void)method;       // GET, PUT, ...
+    (void)url;          // example: /root/myfile.html
+    (void)client;       // the webserver tcp client connection
+    (void)contentType;  // contentType(".html") => "text/html"
+    Serial.println("A useless web hook has passed:");
+    Serial.println(method);
+    Serial.println(url);
+    //Serial.println(contentType);
+    return WebServer::CLIENT_REQUEST_CAN_CONTINUE;
+  });
+
+  server.addHook([](const String&, const String & url, WiFiClient*, WebServer::ContentTypeFunction) {
+    if (url.startsWith("/fail")) {
+      Serial.printf("An always failing web hook has been triggered\n");
+      return WebServer::CLIENT_MUST_STOP;
+    }
+    return WebServer::CLIENT_REQUEST_CAN_CONTINUE;
+  });
+
+  server.addHook([](const String&, const String & url, WiFiClient * client, WebServer::ContentTypeFunction) {
+    if (url.startsWith("/dump")) {
+      Serial.printf("The dumper web hook is on the run\n");
+
+      // Here the request is not interpreted, so we cannot for sure
+      // swallow the exact amount matching the full request+content,
+      // hence the tcp connection cannot be handled anymore by the
+      auto last = millis();
+      while ((millis() - last) < 500) {
+        char buf[32];
+        size_t len = client->read((uint8_t*)buf, sizeof(buf));
+        if (len > 0) {
+          Serial.printf("(<%d> chars)", (int)len);
+          Serial.write(buf, len);
+          last = millis();
+        }
+      }
+      // Two choices: return MUST STOP and webserver will close it
+      //                       (we already have the example with '/fail' hook)
+      // or                  IS GIVEN and webserver will forget it
+      // trying with IS GIVEN and storing it on a dumb WiFiClient.
+      // check the client connection: it should not immediately be closed
+      // (make another '/dump' one to close the first)
+      Serial.printf("\nTelling server to forget this connection\n");
+      static WiFiClient forgetme = *client;  // stop previous one if present and transfer client refcounter
+      return WebServer::CLIENT_IS_GIVEN;
+    }
+    return WebServer::CLIENT_REQUEST_CAN_CONTINUE;
+  });
+
+  // Hook examples
+  /////////////////////////////////////////////////////////
+
+  server.begin();
+  Serial.println("HTTP server started");
+}
+
+void wifiLoop(void) {
+  server.handleClient();
+  MDNS.update();
+}