reorganize main.cpp

.vscode/settings.json

 {
     "files.associations": {
-        "random": "cpp"
+        "random": "cpp",
+        "array": "cpp",
+        "*.tcc": "cpp",
+        "deque": "cpp",
+        "list": "cpp",
+        "string": "cpp",
+        "unordered_map": "cpp",
+        "vector": "cpp",
+        "string_view": "cpp",
+        "memory": "cpp",
+        "ranges": "cpp"
     }
 }

README.md

 ```
 
 ##### platformio.ini
-change IP of esp8266 accordingly
-IP gets printed on Serial Monitor after first Upload
+see templ_platformio_ini
 
 ```ini
 [env:<BOARD>]

src/main.cpp

 #include <Arduino.h>
 #include <Wire.h>
 
-#include "wifi_credentials.h"
 #include "PCA9685.h"
 
 // Änderung
 // OTA & WEB
+#include "wifi_credentials.h"
 #include <ESP8266WiFi.h>
 #include <WiFiUdp.h>
 #include <ArduinoOTA.h>
 
 #include <ESP8266WebServer.h>
-#include <WiFiClient.h> // evtl weghauen ?
+#include <WiFiClient.h>
 
 #include "index.html.gz.h"
 #include "style.css.gz.h"
 const char* ssid = STASSID;
 const char* password = STAPSK;
 
+void setup_webserver();
+void setup_ota();
+void setup_pwm_pca9685();
+void handleRootGz();
+void handleCssGz();
+void handleNotFound();
+
 const int led = 13;
 ESP8266WebServer server(80);
+PCA9685 pwmController;
 
 void handleRootGz() {
     const char* dataType = "text/html";
     server.send(200, dataType, (const char*)style_css_gz, style_css_gz_len);
 }
 
-
 void handleNotFound() {
   digitalWrite(led, 1);
   String message = "File Not Found\n\n";
   Serial.println("HTTP server started");
 }
 
-
-
-PCA9685 pwmController;   
-
-void setup() {
-  Serial.begin(115200);
-  Serial.println("Booting");
-  WiFi.mode(WIFI_STA);
-  WiFi.begin(ssid, password);
-
-  Wire.begin();                       // Wire must be started first
-  Wire.setClock(400000);              // Supported baud rates are 100kHz, 400kHz, and 1000kHz
-
-  while (WiFi.waitForConnectResult() != WL_CONNECTED) {
-    Serial.println("Connection Failed! Rebooting...");
-    delay(5000);
-    ESP.restart();
-  }
-
-  // setup OTA
+void setup_ota() {
   ArduinoOTA.setPort(8266);
   ArduinoOTA.setHostname("ESP_Treppenlicht");
   ArduinoOTA.setPassword("admin");
     }
   });
   ArduinoOTA.begin();
-  Serial.println("Ready");
-  Serial.print("IP address: ");
-  Serial.println(WiFi.localIP());
-
-  setup_webserver();
+}
 
+void setup_pwm_pca9685() {
   pwmController.resetDevices();       // Software resets all PCA9685 devices on Wire line
 
   pwmController.init(B000000);        // Address pins A5-A0 set to B000000
   pwmController.setPWMFrequency(200); // Default is 200Hz, supports 24Hz to 1526Hz
 
-    pwmController.setChannelPWM(0, 128 << 4); // Set PWM to 128/255, but in 4096 land
-
-    Serial.println(pwmController.getChannelPWM(0)); // Should output 2048, which is 128 << 4
+  pwmController.setChannelPWM(0, 128 << 4); // Set PWM to 128/255, but in 4096 land
   
+  Serial.println(pwmController.getChannelPWM(0)); // Should output 2048, which is 128 << 4
+}
+
+
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println(F("Booting ...."));
+
+  Wire.begin();                       // Wire must be started first
+  Wire.setClock(400000);              // Supported baud rates are 100kHz, 400kHz, and 1000kHz
+
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+
+  while (WiFi.waitForConnectResult() != WL_CONNECTED) {
+    Serial.println("Connection Failed! Rebooting...");
+    delay(5000);
+    ESP.restart();
+  }
+ 
+  Serial.println("Ready");
+  Serial.print("IP address: ");
+  Serial.println(WiFi.localIP());
+
+  setup_ota();
+  setup_webserver();
+  setup_pwm_pca9685();
 }
 
 uint32_t t;
 #define TIMEIF_US(_str,_f, _l) t=micros(); _f; t=micros()-t; if(t > _l) { SP_US(_str, t); }
 
 void loop() {
-  TIMEIF_US("OTA", ArduinoOTA.handle(), 20000);
+  TIMEIF_US("OTA", ArduinoOTA.handle(), 1000);
   
-  TIMEIF_US("HTTP", server.handleClient(), 20000);
+  TIMEIF_US("HTTP", server.handleClient(), 1000);
 }