added test

.gitignore

@@ -1,7 +1,5 @@
 .pio
-.vscode/.browse.c_cpp.db*
+.vscode
-.vscode/c_cpp_properties.json
-.vscode/launch.json
-.vscode/ipch
-include/wifi_credentials.h
 platformio.ini
+include/wifi_credentials.h
+include/*.gz.h

.vscode/settings.json

@@ -0,0 +1,15 @@
+{
+    "files.associations": {
+        "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

@@ -17,5 +17,26 @@ https://arduino-esp8266.readthedocs.io/en/latest/ota_updates/readme.html
 ```
 
 ##### platformio.ini
-change IP of esp8266 accordingly
+see templ_platformio_ini
-IP gets printed on Serial Monitor after first Upload
+
+```ini
+[env:<BOARD>]
+platform = espressif8266
+board = <BOARD>
+framework = arduino
+monitor_speed = 115200
+
+extra_scripts = pre:extra_script.py
+
+; stuff for OTA 
+; https://docs.platformio.org/en/latest/platforms/espressif8266.html#over-the-air-ota-update
+upload_protocol = espota
+upload_port = <IPADRESS>
+upload_flags =
+  --port=8266
+  --auth=admin
+
+lib_deps =
+  ottowinter/PCA9685 16-Channel PWM Driver Module Library @ 1.2.9
+```
+

doku.txt

@@ -0,0 +1,3 @@
+Hardware Timer didnt work https://github.com/khoih-prog/ESP8266TimerInterrupt#why-using-isr-based-hardware-timer-interrupt-is-better
+=> Software Timer https://ullisroboterseite.de/esp8266-timing.html#timer
+

extra_script.py

@@ -1,20 +1,34 @@
 
-import os
+import os, gzip
+# https://www.mischianti.org/2020/10/26/web-server-with-esp8266-and-esp32-byte-array-gzipped-pages-and-spiffs-2/
 
-# https://stackoverflow.com/questions/49449430/python-bytes-to-c-array-like-xxd-program/49450004
+def convert_to_gzip(src, out, f):
-def bytes_to_c_arr(data, lowercase=True):
+    input_file = f'{src}{f}'
-    return [format(b, '#04x' if lowercase else '#04X') for b in data]
+    output_file = f'{out}{f}.gz.h'
+    output_charp = f'{f.replace(".", "_")}_gz'
 
-src = 'include/http'
+    top = ''
-out = 'include'
+    with open(input_file, 'rb') as f_in:
+        gz = gzip.compress(f_in.read())
+        gzlen = len(gz)
+
+        top += f'// filename: {f}.gz.h\n'
+        top += f'#define {output_charp}_len {gzlen}\n'
+        top += f'const char {output_charp}[] = '
+        top += '{'
+
+        with open(output_file, 'wb') as f_out:
+            for i, b in enumerate(gz):
+                if not i%10:
+                    top += '\n '
+                top += f'0x{b:02X}, '
+            top = top[:-2]
+            top += '};'
+            f_out.write(top.encode(encoding='utf-8'))
+
+
+src='include/http/'
+out='include/'
 
 for f in os.listdir(src):
-    with open(f'{src}/{f}', 'rb') as f_in:
+    convert_to_gzip(src, out, f)
-        with open(f'{out}/{f}.h', 'wb') as f_out:
-            buf = 'const char {}[] = {{{}}};'.format(
-                f.replace('.', '_'),
-                ', '.join(bytes_to_c_arr(f_in.read()))
-            )
-            f_out.write(buf.encode(encoding='ascii'))
-
-

include/http/index.html

@@ -1,19 +1,40 @@
+<!DOCTYPE html>
 <html>
+  <head>
+    <title>ESP8266 Treppenlicht</title>
+    <!-- main style sheet -->
+    <link href="/favicon.png" rel="icon" type="image/png" sizes="16x16">
+    <link href="/style.css" rel="stylesheet" type="text/css">
 
-<head>
+  </head>
-    <meta http-equiv='refresh' content='5' />
+  <body>
-    <title>ESP8266 Demo</title>
+    <div class="topbar">
-    <style>
+      ESP8266 Treppenlicht Controller
-        body {
+    </div>
-            background-color: #cccccc;
+    <div class="control">
-            font-family: Arial, Helvetica, Sans-Serif;
+      <div class="brightness">
-            Color: #000088;
+      </div>
-        }
+      <div class="onoff">
-    </style>
+        toggle all
-</head>
+        <label id="l_onoff"></label>
+        <label class="switch">
+          <input type="checkbox">
+          <span class="slider round"></span>
+        </label>
+      </div>
+      <div class="pwm">
+        <label id="label_pwm"></label>
+        <input type="range" min="1" max="100" value="50" class="rangeslider" id="range1">
+      </div>
+      <div class="timer">
+        <label id="label_timer"></label>
+        <input type="range" min="1" max="100" value="50" class="rangeslider" id="timer_range">
+      </div>
+    </div>
     
-<body>
+   
-    <h1>Hello from ESP8266!</h1>
+  </body>
-</body>
+
+  <script src="/input.js"></script>
 
 </html>

include/http/input.js

@@ -0,0 +1,8 @@
+var slider = document.getElementById("range1");
+var output = document.getElementById("l_pwm");
+output.innerHTML = slider.value; // Display the default slider value
+
+// Update the current slider value (each time you drag the slider handle)
+slider.oninput = function() {
+  output.innerHTML = this.value;
+}

include/http/style.css

@@ -0,0 +1,132 @@
+html {
+  font-size: 10px;
+  font-family: sans-serif, Arial, Helvetica;
+  background-color: #b3b3b3;
+}
+
+.topbar {
+  padding: 1em;
+  background-color: #1f1f1f;
+
+  color: white;
+  font-size: x-large;
+  text-align: center;
+}
+
+.control {
+  padding: 1em;
+}
+
+p, li {
+  font-size: 16px;
+  line-height: 2;
+  letter-spacing: 1px;
+}
+
+
+body {
+  margin: 0 auto;
+  border: 1px solid black;
+  border-radius: 3;
+}
+
+
+
+/* The switch - the box around the slider */
+.switch {
+  position: relative;
+  display: inline-block;
+  width: 60px;
+  height: 34px;
+}
+
+/* Hide default HTML checkbox */
+.switch input {
+  opacity: 0;
+  width: 0;
+  height: 0;
+}
+
+/* The slider */
+.slider {
+  position: absolute;
+  cursor: pointer;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: #ccc;
+  -webkit-transition: .4s;
+  transition: .4s;
+}
+
+.slider:before {
+  position: absolute;
+  content: "";
+  height: 26px;
+  width: 26px;
+  left: 4px;
+  bottom: 4px;
+  background-color: white;
+  -webkit-transition: .4s;
+  transition: .4s;
+}
+
+input:checked + .slider {
+  background-color: #04AA6D;
+}
+
+input:focus + .slider {
+  box-shadow: 0 0 1px #04AA6D;
+}
+
+input:checked + .slider:before {
+  -webkit-transform: translateX(26px);
+  -ms-transform: translateX(26px);
+  transform: translateX(26px);
+}
+/* Rounded sliders */
+.slider.round {
+  border-radius: 34px;
+}
+.slider.round:before {
+  border-radius: 50%;
+}
+
+
+
+
+/* The slider itself */
+.rangeslider {
+  -webkit-appearance: none;  /* Override default CSS styles */
+  appearance: none;
+  width: 50%; /* Full-width */
+  height: 34px; /* Specified height */
+  border-radius: 34px; /* range round corners */
+  background: #d3d3d3; /* Grey background */
+  outline: none; /* Remove outline */
+  opacity: 0.7; /* Set transparency (for mouse-over effects on hover) */
+  -webkit-transition: .2s; /* 0.2 seconds transition on hover */
+  transition: opacity .2s;
+
+}
+/* Mouse-over effects */
+.rangeslider:hover {
+  opacity: 1; /* Fully shown on mouse-over */
+}
+/* The slider handle (use -webkit- (Chrome, Opera, Safari, Edge) and -moz- (Firefox) to override default look) */
+.rangeslider::-webkit-slider-thumb {
+  -webkit-appearance: none; /* Override default look */
+  appearance: none;
+  width: 26px; /* Set a specific slider handle width */
+  height: 26px; /* Slider handle height */
+  border-radius: 50%; /* Round Element */
+  background: #04AA6D; /* Green background */
+  cursor: pointer; /* Cursor on hover */
+}
+.rangeslider::-moz-range-thumb {
+  width: 26px; /* Set a specific slider handle width */
+  height: 26px; /* Slider handle height */
+  background: #04AA6D; /* Green background */
+  cursor: pointer; /* Cursor on hover */
+}

include/index.html.h

@@ -1 +0,0 @@
-const char index_html[] = {0x3c, 0x68, 0x74, 0x6d, 0x6c, 0x3e, 0x0d, 0x0a, 0x0d, 0x0a, 0x3c, 0x68, 0x65, 0x61, 0x64, 0x3e, 0x0d, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x3c, 0x6d, 0x65, 0x74, 0x61, 0x20, 0x68, 0x74, 0x74, 0x70, 0x2d, 0x65, 0x71, 0x75, 0x69, 0x76, 0x3d, 0x27, 0x72, 0x65, 0x66, 0x72, 0x65, 0x73, 0x68, 0x27, 0x20, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x3d, 0x27, 0x35, 0x27, 0x20, 0x2f, 0x3e, 0x0d, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x3c, 0x74, 0x69, 0x74, 0x6c, 0x65, 0x3e, 0x45, 0x53, 0x50, 0x38, 0x32, 0x36, 0x36, 0x20, 0x44, 0x65, 0x6d, 0x6f, 0x3c, 0x2f, 0x74, 0x69, 0x74, 0x6c, 0x65, 0x3e, 0x0d, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x3c, 0x73, 0x74, 0x79, 0x6c, 0x65, 0x3e, 0x0d, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x62, 0x6f, 0x64, 0x79, 0x20, 0x7b, 0x0d, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x62, 0x61, 0x63, 0x6b, 0x67, 0x72, 0x6f, 0x75, 0x6e, 0x64, 0x2d, 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x3a, 0x20, 0x23, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x3b, 0x0d, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x66, 0x6f, 0x6e, 0x74, 0x2d, 0x66, 0x61, 0x6d, 0x69, 0x6c, 0x79, 0x3a, 0x20, 0x41, 0x72, 0x69, 0x61, 0x6c, 0x2c, 0x20, 0x48, 0x65, 0x6c, 0x76, 0x65, 0x74, 0x69, 0x63, 0x61, 0x2c, 0x20, 0x53, 0x61, 0x6e, 0x73, 0x2d, 0x53, 0x65, 0x72, 0x69, 0x66, 0x3b, 0x0d, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x43, 0x6f, 0x6c, 0x6f, 0x72, 0x3a, 0x20, 0x23, 0x30, 0x30, 0x30, 0x30, 0x38, 0x38, 0x3b, 0x0d, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x7d, 0x0d, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x3c, 0x2f, 0x73, 0x74, 0x79, 0x6c, 0x65, 0x3e, 0x0d, 0x0a, 0x3c, 0x2f, 0x68, 0x65, 0x61, 0x64, 0x3e, 0x0d, 0x0a, 0x0d, 0x0a, 0x3c, 0x62, 0x6f, 0x64, 0x79, 0x3e, 0x0d, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x3c, 0x68, 0x31, 0x3e, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x66, 0x72, 0x6f, 0x6d, 0x20, 0x45, 0x53, 0x50, 0x38, 0x32, 0x36, 0x36, 0x21, 0x3c, 0x2f, 0x68, 0x31, 0x3e, 0x0d, 0x0a, 0x3c, 0x2f, 0x62, 0x6f, 0x64, 0x79, 0x3e, 0x0d, 0x0a, 0x0d, 0x0a, 0x3c, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0x3e};

include/webtest.cmd

@@ -0,0 +1,2 @@
+CD .\include\http
+py.exe -m http.server

src/main.cpp

@@ -2,33 +2,83 @@
 #include <Wire.h>
 
 #include "PCA9685.h"
+#include <GDBStub.h>
 
+#define ESP12_LED 2
+#define NODEMCU_LED 16
+
+extern "C" {
+#include "user_interface.h"
+}
+os_timer_t Timer1;         // Verwaltungsstruktur des Timers
+
+int c;
+bool toggle = false;
+uint32_t m=0;
+
+uint32_t dimmtimer = 0; 
+uint8_t direction = 1;
+uint8_t onoff = 1;
+
+
+void ledsequence(uint8_t direction, uint8_t onoff, uint8_t factor);
+uint8_t softstart_led(uint8_t led, uint16_t startval, uint16_t stopval, uint8_t factor);
+
+void timerCallback(void *pArg)
+{
+  *((int *) pArg) += 1;
+  
+  ledsequence(direction, onoff, 4);
+  // Serial.print("[");
+  // Serial.print(micros()-m);
+  // Serial.print("] timerCallback\n");
+  // m = micros();
+}
+
+// OTA & WEB
+#include "wifi_credentials.h"
 #include <ESP8266WiFi.h>
-#include <ESP8266mDNS.h>
 #include <WiFiUdp.h>
 #include <ArduinoOTA.h>
 
-#include <WiFiClient.h>
 #include <ESP8266WebServer.h>
-#include <ESP8266mDNS.h>
+#include <WiFiClient.h>
 
-#include "wifi_credentials.h"
+#include "index.html.gz.h"
-
+#include "style.css.gz.h"
-#include "index.html.h"
+#include "favicon.png.gz.h"
+// images are possible
+// maybe check out FS <- SPIFFS
 
 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 handleRoot() {
+void handleRootGz() {
-  digitalWrite(led, 1);
+    const char* dataType = "text/html";
-  // char temp[sizeof(index_html)];
+    server.sendHeader(F("Content-Encoding"), F("gzip"));
-  // snprintf(temp, sizeof(index_html), index_html);
+    server.send(200, dataType, (const char*)index_html_gz, index_html_gz_len);
+}
 
-  server.send(200, "text/html", index_html);
+void handleCssGz() {
-  digitalWrite(led, 0);
+    const char* dataType = "text/css";
+    server.sendHeader(F("Content-Encoding"), F("gzip"));
+    server.send(200, dataType, (const char*)style_css_gz, style_css_gz_len);
+}
+void handleFaviconGz() {
+    const char* dataType = "image/png";
+    server.sendHeader(F("Content-Encoding"), F("gzip"));
+    server.send(200, dataType, (const char*)favicon_png_gz, favicon_png_gz_len);
 }
 
 void handleNotFound() {
@@ -68,39 +118,16 @@ void setup_webserver() {
   Serial.print("IP address: ");
   Serial.println(WiFi.localIP());
 
-  if (MDNS.begin("esp8266")) {
+  server.on("/", handleRootGz);
-    Serial.println("MDNS responder started");
+  server.on("/style.css", handleCssGz);
-  }
+  server.on("/favicon.png", handleFaviconGz);
-
-  server.on("/", handleRoot);
-  server.on("/inline", []() {
-    server.send(200, "text/plain", "this works as well");
-  });
   server.onNotFound(handleNotFound);
+
   server.begin();
   Serial.println("HTTP server started");
 }
 
-
+void setup_ota() {
-
-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
   ArduinoOTA.setPort(8266);
   ArduinoOTA.setHostname("ESP_Treppenlicht");
   ArduinoOTA.setPassword("admin");
@@ -140,49 +167,151 @@ void setup() {
     }
   });
   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
-  
 }
 
+void setup() {
+  Serial.begin(460800);
+  gdbstub_init();
+
+  Serial.println(F("Booting ...."));
+
+  pinMode(NODEMCU_LED, OUTPUT);
+  pinMode(ESP12_LED, OUTPUT);
+
+  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();
+  }
+
+  os_timer_setfn(&Timer1, timerCallback, &c);
+  os_timer_arm(&Timer1, 1, true);
 
 
-unsigned long i = 0;
+  Serial.println("Ready");
-unsigned long a = 0;
+  Serial.print("IP address: ");
-unsigned long s = 0;
+  Serial.println(WiFi.localIP());
-float ard_ota_time = 0;
-float server_handle = 0;
 
-void loop() {
+  setup_ota();
-  a = micros();
+  setup_webserver();
-  ArduinoOTA.handle();
+  setup_pwm_pca9685();
-  ard_ota_time += micros()-a;
+}
 
-  s = micros();
+uint32_t t;
-  server.handleClient();
+#define SP_US(_str,_a) Serial.print(_str); Serial.print(" took: "); Serial.print(_a); Serial.println("µs")
-  server_handle += micros()-s;
+#define TIMEIF_US(_str,_f, _l) t=micros(); _f; t=micros()-t; if(t > _l) { SP_US(_str, t); }
 
-  if(++i >= 10000) {
+uint8_t softstart_led(uint8_t led, uint16_t startval, uint16_t stopval, uint8_t factor){
-    Serial.print("Mittlere Laufzeit\tOTA: ");
+    static uint8_t lastled = 255;
-    Serial.print(ard_ota_time/10000.0);
+    static uint8_t current_pwm = 0;
-    Serial.print("µs\tHTTP: ");
-    Serial.print(server_handle/10000.0);
-    Serial.println("µs");
     
-    ard_ota_time = 0;
+    if(led != lastled){
-    server_handle = 0;
+      pwmController.setChannelPWM(led, startval);
-    i = 0;
+      lastled = led;
+      current_pwm = startval;
+      return 1;
+    }
+    
+    if(current_pwm == stopval){
+      return 0;
+    } 
+
+    else if(startval > stopval){
+      current_pwm -= 1;
+    }
+    else {
+      current_pwm += 1;
+    }
+    pwmController.setChannelPWM(led, current_pwm*factor);
+    return 1;
+}
+
+#define LEDCOUNT 16
+
+void ledsequence(uint8_t direction, uint8_t onoff, uint8_t factor){
+  static int8_t led = 0;
+  static uint8_t brightness = 0;
+  static uint8_t lastbrightness = 0;
+  static uint8_t finish = 1;
+  static uint32_t status = 0;
+  uint32_t status_build = 0;
+  status_build |= direction << 16;
+  status_build |= onoff << 8;
+  status_build |= factor;
+  if(status_build != status){                 // check if any parameter changed
+    finish = 0;                               // set state unfinished -> start action
+    if(direction) led = 0;                    // reset led counter depending of direction
+    else          led = LEDCOUNT-1;
+    if(onoff){
+      brightness = 127;           // set brightness value depending of on/off
+      lastbrightness = 0;
+    }     
+    else{
+      brightness = 0;
+      lastbrightness = 127;
+    }          
+    status = status_build;                    // set parameter memory
+    Serial.print("----Status Changed! onoff: ");
+    Serial.print(onoff);
+    Serial.print(" dir: ");
+    Serial.println(direction);
+
+  }
+  if(!finish){                                // finish == 0 -> action pending
+      if(!softstart_led(led,lastbrightness, brightness, factor)){
+        Serial.print("one LED finished, new set led: ");
+        Serial.print(led);
+        Serial.print(" last: ");
+        Serial.print(lastbrightness);
+        Serial.print(" curr: ");
+        Serial.println(brightness);
+        if(direction){
+          led++;
+          if(led >= LEDCOUNT) {
+            finish = 1;
+            //lastbrightness = brightness;
+            }
+        } 
+        else{
+           led--;
+           if(led < 0){
+             //lastbrightness = brightness;
+             finish = 1;
+            }
+        }
+      }
   }
 }
+
+
+void loop() {
+
+  
+
+  if(millis() - dimmtimer > 2){
+    //ledsequence(direction, onoff, 4);
+    dimmtimer = millis();
+  }
+  if(millis() > 25000 && onoff == 1 && direction == 1) onoff = 0;
+  if(millis() > 35000 && direction == 1){
+    onoff = 1;
+    direction = 0;    
+  }
+  TIMEIF_US("OTA", ArduinoOTA.handle(), 1000);
+  TIMEIF_US("HTTP", server.handleClient(), 1000);
+}

templ_platformio_ini

@@ -19,12 +19,10 @@ extra_scripts = pre:extra_script.py
 ; stuff for OTA 
 ; https://docs.platformio.org/en/latest/platforms/espressif8266.html#over-the-air-ota-update
 upload_protocol = espota
-upload_port = 192.168.10.94
+upload_port = <!! IP ADDRESS !!>
 upload_flags =
   --port=8266
   --auth=admin
 
 lib_deps =
-
-  # The exact version
   ottowinter/PCA9685 16-Channel PWM Driver Module Library @ 1.2.9