v1.0.1 ldr corrected

.gitignore

@@ -1,6 +1,9 @@
 .pio
 .vscode
+.vscode/*
+.vscode/**
 compress
+data_gz
 platformio.ini
 include/wifi_credentials.h
 include/*.gz.h

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "lib/PCA9685-Arduino"]
+	path = lib/PCA9685-Arduino
+	url = https://github.com/NachtRaveVL/PCA9685-Arduino

.vscode/extensions.json

@@ -1,7 +0,0 @@
-{
-    // See http://go.microsoft.com/fwlink/?LinkId=827846
-    // for the documentation about the extensions.json format
-    "recommendations": [
-        "platformio.platformio-ide"
-    ]
-}

.vscode/settings.json

@@ -1,52 +0,0 @@
-{
-    "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",
-        "initializer_list": "cpp",
-        "utility": "cpp",
-        "atomic": "cpp",
-        "bit": "cpp",
-        "cctype": "cpp",
-        "clocale": "cpp",
-        "cmath": "cpp",
-        "compare": "cpp",
-        "concepts": "cpp",
-        "cstdarg": "cpp",
-        "cstddef": "cpp",
-        "cstdint": "cpp",
-        "cstdio": "cpp",
-        "cstdlib": "cpp",
-        "cstring": "cpp",
-        "cwchar": "cpp",
-        "cwctype": "cpp",
-        "map": "cpp",
-        "set": "cpp",
-        "exception": "cpp",
-        "algorithm": "cpp",
-        "functional": "cpp",
-        "iterator": "cpp",
-        "memory_resource": "cpp",
-        "numeric": "cpp",
-        "optional": "cpp",
-        "system_error": "cpp",
-        "tuple": "cpp",
-        "type_traits": "cpp",
-        "iosfwd": "cpp",
-        "limits": "cpp",
-        "new": "cpp",
-        "ostream": "cpp",
-        "stdexcept": "cpp",
-        "streambuf": "cpp",
-        "cinttypes": "cpp",
-        "typeinfo": "cpp"
-    }
-}

create_gz_c_arr.py

@@ -0,0 +1,38 @@
+#!/usr/bin/python3
+
+import os, gzip
+# https://www.mischianti.org/2020/10/26/web-server-with-esp8266-and-esp32-byte-array-gzipped-pages-and-spiffs-2/
+
+def convert_to_gzip(src, out, f):
+    input_file = f'{src}{f}'
+    output_file = f'{out}{f}.gz.h'
+    output_charp = f'{f.replace(".", "_")}_gz'
+
+    top = ''
+    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='data/'
+out='compress/'
+
+if not 'compress' in os.listdir():
+    os.mkdir('compress')
+
+for f in os.listdir(src):
+    convert_to_gzip(src, out, f)

create_gz_files.py

@@ -1,38 +1,15 @@
 #!/usr/bin/python3
 
 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/8156707/gzip-a-file-in-python
 
-def convert_to_gzip(src, out, f):
+src_dir='data'
-    input_file = f'{src}{f}'
+out_dir='data_gz'
-    output_file = f'{out}{f}.gz.h'
-    output_charp = f'{f.replace(".", "_")}_gz'
 
-    top = ''
+if not 'data_gz' in os.listdir():
-    with open(input_file, 'rb') as f_in:
+    os.mkdir('data_gz')
-        gz = gzip.compress(f_in.read())
-        gzlen = len(gz)
 
-        top += f'// filename: {f}.gz.h\n'
+for f in os.listdir(src_dir):
-        top += f'#define {output_charp}_len {gzlen}\n'
+    with open(f'{src_dir}/{f}', 'rb') as f_in:
-        top += f'const char {output_charp}[] = '
+        with gzip.open(f'{out_dir}/{f}.gz', 'wb') as f_out:
-        top += '{'
+            f_out.writelines(f_in)
-
-        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='data/'
-out='compress/'
-
-if not 'compress' in os.listdir():
-    os.mkdir('compress')
-
-for f in os.listdir(src):
-    convert_to_gzip(src, out, f)

data/index.html

@@ -1,65 +1,68 @@
 <!DOCTYPE html>
 <html>
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
 
 <head>
   <title>ESP8266 Treppenlicht</title>
-  <!-- main style sheet -->
   <link href="/favicon.png" rel="icon" type="image/png" sizes="10x10">
   <link href="/style.css" rel="stylesheet" type="text/css">
 </head>
 
 <body>
-  <div class="kopfzeile" style="text-align: center;">
+  <div class="topbar">Treppenlicht</div>
-    <b>Treppenlicht</b>
+
+  <div class="param_block">
+    <input type="button" class="control" data-action="s_oben" value="sensor_oben">
+    <input type="button" class="control" data-action="s_unten" value="sensor_unten">
+    <input type="button" class="control" data-action="on_off" value="on_off">
   </div>
 
-  <div class="ueberschrift">
+  <div class="param_block">
-    Helligkeit
+    Active Brightness: <output id="out_act_pwm" class="val_range">50</output> %
-    <!--<label id="label_pwm">
-      </label>-->
     <div class="slider">
-        <input type="range" class="regler" id="helligkeit" name="rangeInput" min="0" max="100" value="50"
+      <input type="range" class="regler" id="range_act_pwm" data-output="out_act_pwm" min="0" max="100" value="50">
-          oninput="amount1.value=helligkeit.value">
-        <br>
-        <output name="amount1" id="amount1" for="helligkeit">50</output>
-      </div>
-  </div>
-  <div class="ueberschrift">
-    Helligkeit bei Dunkelheit
-    <!--<label id="label_pwm_dark">
-      </label>-->
-      <div class="slider">
-        <input type="range" class="regler" id="helligkeit_dunkel" name="rangeInput" min="0" max="100" value="50"
-          oninput="amount2.value=helligkeit_dunkel.value">
-        <br>
-        <output name="amount2" id="amount2" for="helligkeit_dunkel">50</output>
     </div>
   </div>
 
-  <div class="ueberschrift">
+  <div class="param_block">
-    Laufgeschwindigkeit
+    Idle Brightness Maximum: <output id="out_idl_pwm" class="val_range">50</output> %
-    <!--<label id="label_geschwindigkeit">
+    <label id="note">[100% == Active Brightness]</label>
-      </label>-->
     <div class="slider">
-            <input type="range" class="regler" id="geschwindigkeit" name="rangeInput" min="0" max="100" value="50"
+      <input type="range" class="regler" id="range_idl_pwm" data-output="out_idl_pwm" min="0" max="100" value="50">
-              oninput="amount3.value=geschwindigkeit.value">
+    </div>
-            <br>
+    <label id="note">idle brightness gets controlled via LDR measurments</label>
-            <output name="amount3" id="amount3" for="geschwindigkeit">50</output>
+  </div>
+
+  <div class="param_block">
+    Time per stair [ms]: <output id="out_tim_sta" class="val_range">300</output> ms
+
+    <div class="slider">
+      <input type="range" class="regler" id="range_tim_sta" data-output="out_tim_sta" min="0" max="5000" value="300">
     </div>
   </div>
 
-  <div class="ueberschrift">
+  <div class="param_block">
-    Licht-An-Zeit
+    Time LDR [ms]: <output id="out_tim_ldr" class="val_range">500</output> ms
-    <!--  <label id="label_time">
-        </label>-->
     <div class="slider">
-          <input type="range" class="regler" id="time" name="rangeInput" min="0" max="100" value="50"
+      <input type="range" class="regler" id="range_tim_ldr" data-output="out_tim_ldr" min="0" max="5000" value="500">
-            oninput="amount4.value=time.value">
-          <br>
-          <output name="amount4" id="amount4" for="time">50</output>
     </div>
   </div>
 
+  <div class="param_block">
+    LDR Schwelle [lx]: <output id="out_ldr_shw" class="val_range">50</output> lx
+    <div class="slider">
+      <input type="range" class="regler" id="range_ldr_shw" data-output="out_ldr_shw" min="0" max="1000" value="50">
+    </div>
+  </div>
+
+
+  <div class="terminal">
+    <input type="button" id="clear_term" value="clear">
+    <input type="checkbox" id="scroll" name="scroll" value="scroll" checked>
+    <label for="scroll"> autoscroll </label>
+    <textarea id="term">waiting for log messages ...&#10;</textarea>
+  </div>
+
 </body>
 
 <script src="/input.js"></script>

data/input.js

@@ -1,8 +1,120 @@
-var slider = document.getElementById("range1");
+let rangeValues = {};
-var output = document.getElementById("l_pwm");
+let xhrUpd = new XMLHttpRequest();
-output.innerHTML = slider.value; // Display the default slider value
 
-// Update the current slider value (each time you drag the slider handle)
+xhrUpd.onreadystatechange = function () {
-slider.oninput = function() {
+  if (xhrUpd.readyState == 4) {
-  output.innerHTML = this.value;
+    if (xhrUpd.status == 200) {
+      console.log("xhrUpd: ", xhrUpd.responseText);
     }
+    else {
+      console.log("xhrUpd: status=", xhrUpd.status);
+    }
+  }
+}
+
+function reloadRangeValues() {
+  let url = "/update";
+  // if there are scheduled updates, send them
+  if (Object.keys(rangeValues).length > 0) {
+    let params = [];
+    for (let p in rangeValues)
+      params.push(encodeURIComponent(p) + "=" + encodeURIComponent(rangeValues[p]));
+    params = params.join("&");
+
+    xhrUpd.open("POST", url, true);
+    xhrUpd.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
+    xhrUpd.send(params);
+
+    rangeValues = {};
+  }
+
+};
+
+function reloadTerminal() {
+  const terminal = document.querySelector("#term");
+  const autoscroll = document.querySelector("#scroll");
+
+  fetch('/terminal', {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/x-www-form-urlencoded',
+    },
+    body: ''
+  })
+  .then(response => response.text())
+  .then(data => {
+    if(data.length > 0) {
+      terminal.innerHTML += data;
+      if (autoscroll.checked)
+        terminal.scrollTop = terminal.scrollHeight;
+    }
+  })
+  .catch(error => console.log('Error:', error));
+};
+
+function updateParameters() {
+  fetch('/parameters', {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/x-www-form-urlencoded',
+    },
+    body: ''
+  })
+  .then(response => response.json())
+  .then(json_str => {
+    const active_pwm = Math.round(json_str.active_pwm / 4095 * 100);
+    document.querySelector('#range_act_pwm').value = active_pwm;
+    document.querySelector('#out_act_pwm').value = active_pwm;
+    
+    const idle_pwm_max = Math.round(json_str.idle_pwm_max / json_str.active_pwm * 100);
+    document.querySelector('#range_idl_pwm').value = idle_pwm_max;
+    document.querySelector('#out_idl_pwm').value = idle_pwm_max;
+
+    document.querySelector('#range_tim_sta').value = json_str.time_per_stair;
+    document.querySelector('#out_tim_sta').value = json_str.time_per_stair;
+
+    document.querySelector('#range_tim_ldr').value = json_str.time_ldr;
+    document.querySelector('#out_tim_ldr').value = json_str.time_ldr;
+
+    document.querySelector('#range_ldr_shw').value = json_str.ldr_schwelle;
+    document.querySelector('#out_ldr_shw').value = json_str.ldr_schwelle;
+
+  })
+  .catch(error => console.log('Error:', error));
+};
+
+document.addEventListener('DOMContentLoaded', () => {
+  setInterval(reloadTerminal, 1000);
+  setInterval(reloadRangeValues, 1000);
+
+  updateParameters();
+
+  // use data- attributes for action
+  document.querySelectorAll('.control').forEach((button) => {
+    button.onclick = () => {
+      fetch('/action', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/x-www-form-urlencoded',
+        },
+        body: `control=${button.dataset.action}`
+      })
+        .then(response => console.log(response))
+        .catch(error => console.log('Error:', error));
+    }
+  });
+
+  document.querySelectorAll('.regler').forEach((regler) => {
+    regler.oninput = () => {
+      document.querySelector(`#${regler.dataset.output}`).innerHTML = regler.value;
+      rangeValues[regler.id] = regler.value;
+    }
+  });
+  
+  document.querySelector('#clear_term').onclick = () => {
+    document.querySelector("#term").innerHTML = '';
+  };
+
+});
+
+

data/style.css

@@ -1,45 +1,50 @@
 html {
   font-size: 16px;
   font-family: sans-serif, Arial, Helvetica;
-  background-color: #d4d4d4;
+  background-color: #ffffff;
   height: 100%;
-  background-image: url('Background.png');
-  background-repeat: repeat;
-  background-size: 150% 150%;
 }
 
 body {
   height: 100%;
-  margin: 0 auto;
-  border: none;
   border-radius: 3;
 }
 
 .topbar {
-  padding: 1em;
+  padding: 10px;
-  background-color: #1f1f1f;
+  background-color: #585858;
   color: white;
-  font-size: x-large;
+  font-size: xx-large;
   text-align: center;
 }
 
-.ueberschrift{
+.param_block{
-  color: #ffffff;
+  padding: 1em;
-  font-size: 50px;
+  color: #000000;
-  width: 100%;
+  border: 1px solid darkred;
-  text-align: center;
+  font-size: x-large;
+  width: 80%;
+}
+
+.val_range {
+  font-weight: bold;
 }
 
 .regler {
-
+  /* -webkit-appearance: none; */
-  -webkit-appearance: none;
+  height: 50px;
-  height: 30px;
   width: 100%;
   border-radius: 20px;
   outline: black;
   background-color: rgb(176, 188, 228);
 }
-.regler::-webkit-slider-thumb{
+
+#note {
+  font-size: medium;
+  font-style: italic;
+}
+
+/* .regler::-webkit-slider-thumb{
   -webkit-appearance: none;
   appearance: none;
   width: 5%;
@@ -47,31 +52,21 @@ body {
   border-radius: 10px;
   background-color: rgb(107, 122, 192);
   cursor:pointer;
-}
+} */
-input[type=range]::-webkit-slider-thumb{
+/* input[type=range]::-webkit-slider-thumb{
   -webkit-appearance: none;
   border:none;
   height: 30px;
   width: 4%;
   border-radius: 30px;
-}
+} */
+
 .slider {
-  width: 100%;
+  margin: 1%;
 }
 
-.kopfzeile{
-  color: #1f1f1f;
-  font-size: 50px;
-  width: 100%;
-  background-color: #8d8a8a;
-}
-
-
-
 
 /*-------------------------------------------------------*/
-
-
 /*Switch:
 .switch {
   position: relative;
@@ -103,4 +98,37 @@ input:checked + .slider:before {
   -ms-transform: translateX(26px);
   transform: translateX(26px);
 }
+*/
+
+.terminal {
+  margin:5%;
+  padding: 1%;
+  width: 80%;
+  border: 1px solid black;
+  border-radius: 5px;
+}
+
+#term {
+  font-size: large;
+  width: 100%;
+  height: 20em;
+}
+
+#clear_term {
+  margin: 2px;
+}
+
+input[type="number"] {
+  width: 100px;
+}
+
+input:invalid+span:after {
+  content: '✖';
+  padding-left: 5px;
+}
+
+input:valid+span:after {
+  content: '✓';
+  padding-left: 5px;
+}
 

doku.md

@@ -54,15 +54,88 @@ else
     server.streamFile(f, mime::getContentType(SRH::_path), requestMethod);
 ```
 
+### HW issues
+- GPIO2 used as input -> must be high during startup
+- PCB Solution: cut trace to GPIO2, solder bridge to GPIO16
+- -> disadvantage: GPIO16 is not interrupt capable
 
-Webserver on v0.3.0 now working with LittleFS
+
+### FSM 2 - to do
+- stairway light switches off after timeout
+- switches concurrently on again if sensor is still high
+- desired behavior? Defective Sensor would cause continuos animation
+- edge detection / interrupts as solution ?
+
+
+### LED_sequence_v1:
+TODO: 
+- disable led stripes after defined time (webserver paramter?)
+- define what to do if people enter stairs from different directions
+- CAUTION: Sensor-Deadtime at LEAST 8 seconds
+- --> switch off with person leaving stairs might not be possible
+
+### Webserver on v0.3.0 now working with LittleFS
 TODO:
 - check dir for files automatic
 - move handleNotFound to httpserver.h
 - maybe compress files ?
 
 
-LED Flickering issue
+### LED Flickering issue
 https://github.com/NachtRaveVL/PCA9685-Arduino/issues/15
+PlatformIO Library veraltet !!
 
-PlatformIO Library veraltet
+
+### TIMER in OTA unterbrechen !!!!!
+
+
+
+### further improvments
+with streamFile gzip encoded Files can be sent
+this reduces space on fs !
+new easier script needed to just convert to .gz
+maybe measure timings on ESP
+
+__=> use serveStatic because way simpler !__
+__=> serverStatic("/") works wonders__
+
+
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAARHRRHRGH
+Two implementations of FSM are not that good,
+linker puts them together ?!?
+:):):):):):):)
+=> maybe investigate for doc
+
+### TODO Treppe
+- dynamic lighting with ldr
+- http control over active pwm ... => set_active_pwm()
+  -> is implemntiert, kann mit % oder abs eingestellt werden
+- testing if dimming crashes when two animations
+  -> ldr does not interrupt animation, animation get's finished and stairs fade out -> FSM works without collisions
+- interrupt to pending from sensors
+  -> rising edge trigger implemented, via pending input
+- settings struct
+  -> implemented with EEPROM
+  -> adapted to only change on ruhezustand
+- script for gdb on windows
+  -> [implemented](start_xtensa_gdb_stub.cmd)
+- welcome animation ?
+  -> wird hochgedimmt beim einschalten von 0
+- on/off switch http
+- use logging to serial http monitor with httpserver.logt()
+  -> is used for some status updates
+
+- behavior when someone enters stairway from opposite direction while animation is running?
+  -> currently ignored, second persons walks in darkness
+  -> animation from both sides?
+  -> problem: person 1 leaving stairway might pass the sensor right after person 2 -> person 1 leaving not detected
+
+- behavior when someone enters stairway from opposite direction after animation finished but person 1 is still on stairway?
+  -> currently stairs fade off from direction 1
+  -> additional wait-state between "warten hoch/runter" and "abdimmen hoch/runter" after sensor detected person?
+
+
+- active brightness can be lower than idle in the moment
+- change idle to precentage of active !!
+
+- Webpage needs to load settings from eeprom !!

include/httpserver.h

@@ -1,48 +0,0 @@
-#ifndef __HTTPSERVER_H
-#define __HTTPSERVER_H
-
-#include "filesys.h"
-#include <ESP8266WebServer.h>
-
-
-class HTTPServer : public ESP8266WebServer {
-private:
-    const char* rootDir;
- 
-    bool addRootFileHandler();
-    bool formatFS() {
-        return format_fs();
-    }
-    void listRoot() {
-        ls(rootDir);
-    }
-
-public:
-    HTTPServer(const int _port, const char* _rootDir) :
-       ESP8266WebServer(_port), rootDir(_rootDir)
-    { }
-    ~HTTPServer() 
-    {
-        Serial.printf("[HTTPServer] shut down ...\n\r");
-    }
-
-    bool start() {
-        if(!mount_fs())
-            return false;
-        Serial.printf("[HTTPServer] LittleFS mounted !\n\r");
-
-        Serial.printf("[HTTPServer] root:\n\r");
-        this->listRoot();
-        Serial.printf("\n\r");
-
-        if( this->addRootFileHandler() ){
-            this->begin();
-            Serial.printf("[HTTPServer] Server active on Port 80 !\n\r");
-            return true;
-        }
-        Serial.printf("[HTTPServer] Not starting Server, something went wrong !\n\r");
-        return false;
-    }
-};
-
-#endif // __HTTPSERVER_H

include/ota.h

@@ -1,6 +1,10 @@
 #ifndef __OTA_H
 #define __OTA_H
 
+#include <ArduinoOTA.h>
+#include <ESP8266WiFi.h>
+#include <WiFiUdp.h>
+
 void ota_setup() {
   ArduinoOTA.setPort(8266);
   ArduinoOTA.setHostname("ESP_Treppenlicht");
@@ -44,5 +48,4 @@ void ota_setup() {
 
 }
 
-
 #endif // __OTA_H

include/pwm.h

@@ -1,38 +0,0 @@
-#pragma once
-
-#include "PCA9685.h"
-
-class Treppe {
-    private:
-    uint8_t stairs;
-    uint16_t time_per_stair = 300;          // dimmtime per stair [ms]
-    uint16_t idle_brightness = 200;
-    uint16_t active_brightness = 2048;
-
-    uint8_t direction = 0;
-    uint8_t state = 0;
-    uint8_t switch_state = 0;
-
-
-    PCA9685 pwmController;
-    uint8_t softstart_led(uint8_t led, uint16_t startval, uint16_t stopval);
-    void ledsequence();
-
-    public:
-    Treppe(uint8_t _stairs) : stairs(_stairs){}
-    void task();        // call periodically
-
-    void setup();
-
-    // Parameter section
-    uint16_t setIdle(uint16_t _idle_brightness);
-    uint16_t setActive(uint16_t _active_brightness);
-    uint16_t setTime(uint16_t _time_per_stair);
-
-    // Runtime Parameter section
-    uint8_t setDirection(uint8_t _direction);
-    uint8_t setState(uint8_t _state);
-
-    uint8_t getState() { return state;};
-    uint8_t getDirection() {return direction;};
-};

lib/README

@@ -1,46 +0,0 @@
-
-This directory is intended for project specific (private) libraries.
-PlatformIO will compile them to static libraries and link into executable file.
-
-The source code of each library should be placed in a an own separate directory
-("lib/your_library_name/[here are source files]").
-
-For example, see a structure of the following two libraries `Foo` and `Bar`:
-
-|--lib
-|  |
-|  |--Bar
-|  |  |--docs
-|  |  |--examples
-|  |  |--src
-|  |     |- Bar.c
-|  |     |- Bar.h
-|  |  |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
-|  |
-|  |--Foo
-|  |  |- Foo.c
-|  |  |- Foo.h
-|  |
-|  |- README --> THIS FILE
-|
-|- platformio.ini
-|--src
-   |- main.c
-
-and a contents of `src/main.c`:
-```
-#include <Foo.h>
-#include <Bar.h>
-
-int main (void)
-{
-  ...
-}
-
-```
-
-PlatformIO Library Dependency Finder will find automatically dependent
-libraries scanning project source files.
-
-More information about PlatformIO Library Dependency Finder
-- https://docs.platformio.org/page/librarymanager/ldf.html

lib/httpserver/filesys.cpp

@@ -1,15 +1,8 @@
 #include "filesys.h"
 
-// listDir("/");
-// deleteFile("/hello.txt");
-// writeFile("/hello.txt", "Hello ");
-// appendFile("/hello.txt", "World!\n\r");
-// readFile("/hello.txt");
-// listDir("/");
-
 FSInfo fsinfo;
 
-bool mount_fs() {
+auto mount_fs() -> bool {
   if(!LittleFS.begin()) {
     Serial.println("[ERROR] LittleFS.info(), reset ...");
     return false;
@@ -32,7 +25,7 @@ bool mount_fs() {
   return true;
 }
 
-bool format_fs() {
+auto format_fs() -> bool {
   printf("Formatting FS ! \n\r");
   return LittleFS.format();
 }
@@ -58,7 +51,12 @@ void ls(const char * dirname) {
   Serial.println();
 }
 
-void readFile(const char * path) {
+File open(const char * path) {
+  return LittleFS.open(path, "r");
+}
+
+
+void printFile(const char * path) {
   Serial.printf("Reading file: %s\n\r", path);
 
   File file = LittleFS.open(path, "r");
@@ -124,7 +122,3 @@ void deleteFile(const char * path) {
     Serial.println("Delete failed");
   }
 }
-
-
-
- 

lib/httpserver/filesys.h

@@ -1,16 +1,16 @@
-#ifndef __FILESYS_H
+#pragma once
-#define __FILESYS_H
 
 #include <LittleFS.h>
 
+// some usefull wrappers for Filesystem
 bool mount_fs();
 bool format_fs();
 
+File open(const char * path);
+
 void ls(const char * dirname);
-void readFile(const char * path);
+void printFile(const char * path);
 void writeFile(const char * path, const char * message);
 void appendFile(const char * path, const char * message);
 void renameFile(const char * path1, const char * path2);
 void deleteFile(const char * path);
-
-#endif // __FILESYS_H

lib/httpserver/httpserver.cpp

@@ -0,0 +1,122 @@
+#include "httpserver.h"
+
+auto HTTPServer::start() -> bool {
+  if (!mount_fs()) {
+    logf("cant mount filesystem, EXIT !\n\r");
+    return false;
+  }
+
+  logf("LittleFS mounted !\n\r");
+  logf("root:\n\r");
+  this->listRoot();
+  logf("\n\r");
+
+  // default handler
+  this->onNotFound([this]() {
+    String message = "File Not Found\n\n";
+    message += "URI: ";
+    message += uri();
+    message += "\nMethod: ";
+    message += (method() == HTTP_GET) ? "GET" : "POST";
+    message += "\nArguments: ";
+    message += args();
+    message += "\n";
+
+    for (uint8_t i = 0; i < args(); i++) {
+      message += " " + argName(i) + ": " + arg(i) + "\n";
+    }
+    send(404, "text/plain", message);
+  });
+
+  // add static root file handler for http
+  this->serveStatic("/", LittleFS, "/");
+  this->begin();
+  logf("Server active on Port 80 !\n\r");
+  return true;
+}
+
+void HTTPServer::start_apps() {
+  this->on("/action", HTTP_POST, [this]() {
+    if (args()) {
+      logf("%s=%s\n", argName(0).c_str(), arg(0).c_str());
+
+      if (argName(0).equals("control")) {
+        if (arg(0).equals("s_oben")) {
+          treppe->overwrite_sensors(true, false);
+          logt("control => s_oben !\n");
+        }
+        else if (arg(0).equals("s_unten")) {
+          treppe->overwrite_sensors(false, true);
+          logt("control => s_unten !\n");
+        }
+      }
+    }
+    send(200, "text/plain", "accepted");
+  });
+
+  this->on("/update", HTTP_POST, [this]() {
+    if (args()) {
+      for (int i = 0; i < args() - 1; i++) {
+        logf("%s=%s\n", argName(i).c_str(), arg(i).c_str());
+
+        if (argName(i).equals("range_act_pwm")) {
+          treppe->set_active_pwm(arg(i).toInt(), VORGABE_PROZENT);
+          logt("set_active_pwm = %d %\n", arg(i).toInt());
+        }
+        else if (argName(i).equals("range_idl_pwm")) {
+          treppe->set_idle_pwm_max(arg(i).toInt(), VORGABE_PROZENT);
+          logt("set_idle_pwm_max = %d %\n", arg(i).toInt());
+        }
+        else if (argName(i).equals("range_tim_sta")) {
+          treppe->set_time_per_stair(arg(i).toInt());
+          logt("set_time_per_stair = %d\n", arg(i).toInt());
+        }
+        else if (argName(i).equals("range_tim_ldr")) {
+          treppe->set_time_ldr(arg(i).toInt());
+          logt("set_time_ldr = %d\n", arg(i).toInt());
+        }
+        else if (argName(i).equals("range_ldr_shw")) {
+          treppe->set_ldr_schwelle(arg(i).toInt(), VORGABE_12BIT);
+          logt("set_ldr_schwelle = %d %\n", arg(i).toInt());
+        }
+
+      }
+    }
+    send(200, "text/plain", "accepted");
+  });
+
+  this->on("/terminal", HTTP_POST, [this]() {
+    // logf("got /terminal\n");
+    if (tbuf_head) {
+      send(200, "text/plain", tbuf);
+      tbuf_head = 0;
+    } else {
+      send(202, "text/plain", "");
+    }
+  });
+
+  this->on("/parameters", HTTP_POST, [this]() {
+    logt("got /parameters\n");
+    char json_str[255];
+    treppe->param_to_json(json_str, 255);
+    logt("%s\n", json_str);
+    send(200, "application/json", json_str);
+  });
+}
+
+template <class... Args>
+void HTTPServer::logf(const char *format, Args... args) const {
+  Serial.print(log_prefix);
+  Serial.printf(format, args...);
+}
+
+void HTTPServer::logt(const char *format, ...) {
+  va_list args;
+  va_start(args, format);
+  // append logging string to local buffer
+  if (tbuf_head < TBUF_LEN) {
+    tbuf_head +=
+        vsnprintf(tbuf + tbuf_head, TBUF_LEN - tbuf_head, format, args);
+  }
+  va_end(args);
+}

lib/httpserver/httpserver.h

@@ -0,0 +1,40 @@
+#ifndef __HTTPSERVER_H
+#define __HTTPSERVER_H
+// Wrapper for ESP8266WebServer with Filesystem as HTTP source
+
+#include "filesys.h"
+#include "treppe.h"
+#include <ESP8266WebServer.h>
+#include <stdarg.h>
+
+// debug log <ESP8266WebServer.h>
+// #define DEBUGV(f,...) do { Serial.printf(PSTR(f), ##__VA_ARGS__); } while (0)
+
+#define TBUF_LEN 256
+
+class HTTPServer : public ESP8266WebServer {
+
+private:
+  const char *rootDir = "/";
+  const char *log_prefix = "[HTTPServer] ";
+
+  size_t tbuf_head = 0;
+  char tbuf[TBUF_LEN];
+
+  void listRoot() { ls(rootDir); }
+  Treppe *treppe;
+
+public:
+  HTTPServer(const int _port, const char *_rootDir, Treppe *_treppe)
+      : ESP8266WebServer(_port), rootDir(_rootDir), treppe(_treppe) {}
+  ~HTTPServer() { Serial.printf("[HTTPServer] shut down ...\n\r"); }
+
+  bool start();
+  void start_apps();
+
+  template <class... Args> 
+  void logf(const char *format, Args... args) const;
+  void logt(const char *format, ...);
+};
+
+#endif // __HTTPSERVER_H

lib/treppe/FSMTreppe3/FSMTreppe3.cpp

@@ -0,0 +1,276 @@
+//
+// Academic License - for use in teaching, academic research, and meeting
+// course requirements at degree granting institutions only.  Not for
+// government, commercial, or other organizational use.
+//
+// File: FSMTreppe.cpp
+//
+// Code generated for Simulink model 'FSMTreppe'.
+//
+// Model version                  : 1.51
+// Simulink Coder version         : 9.5 (R2021a) 14-Nov-2020
+// C/C++ source code generated on : Wed Jul  7 18:54:01 2021
+//
+// Target selection: ert.tlc
+// Embedded hardware selection: ARM Compatible->ARM Cortex-M
+// Code generation objectives: Unspecified
+// Validation result: Not run
+//
+#include "FSMTreppe3.h"
+
+// Named constants for Chart: '<Root>/FSMTreppe'
+const uint32_t FSMTreppe_IN_abdimmen_hoch = 1U;
+const uint32_t FSMTreppe_IN_abdimmen_ldr = 2U;
+const uint32_t FSMTreppe_IN_abdimmen_runter = 3U;
+const uint32_t FSMTreppe_IN_aufdimmen_hoch = 4U;
+const uint32_t FSMTreppe_IN_aufdimmen_ldr = 5U;
+const uint32_t FSMTreppe_IN_aufdimmen_runter = 6U;
+const uint32_t FSMTreppe_IN_inaktiv = 7U;
+const uint32_t FSMTreppe_IN_ruhezustand = 8U;
+const uint32_t FSMTreppe_IN_warten_hoch = 9U;
+const uint32_t FSMTreppe_IN_warten_runter = 10U;
+
+// Model step function
+void FSMTreppeModelClass::step()
+{
+  // Chart: '<Root>/FSMTreppe' incorporates:
+  //   Inport: '<Root>/anim_beendet'
+  //   Inport: '<Root>/ldr_schwelle'
+  //   Inport: '<Root>/sensor_oben'
+  //   Inport: '<Root>/sensor_unten'
+
+  if (FSMTreppe_DW.temporalCounter_i1 < 511U) {
+    FSMTreppe_DW.temporalCounter_i1 = static_cast<uint16_t>
+      (FSMTreppe_DW.temporalCounter_i1 + 1U);
+  }
+
+  if (FSMTreppe_DW.is_active_c3_FSMTreppe == 0U) {
+    FSMTreppe_DW.is_active_c3_FSMTreppe = 1U;
+    FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_inaktiv;
+
+    // Outport: '<Root>/status'
+    FSMTreppe_Y.status = 0U;
+  } else {
+    switch (FSMTreppe_DW.is_c3_FSMTreppe) {
+     case FSMTreppe_IN_abdimmen_hoch:
+      // Outport: '<Root>/dimmrichtung'
+      FSMTreppe_Y.dimmrichtung = 0U;
+
+      // Outport: '<Root>/status'
+      FSMTreppe_Y.status = 6U;
+      if ((FSMTreppe_U.anim_beendet == 1U) || (FSMTreppe_DW.temporalCounter_i1 >=
+           500U)) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_ruhezustand;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 3U;
+      }
+      break;
+
+     case FSMTreppe_IN_abdimmen_ldr:
+      // Outport: '<Root>/status'
+      FSMTreppe_Y.status = 2U;
+
+      // Outport: '<Root>/dimmrichtung'
+      FSMTreppe_Y.dimmrichtung = 0U;
+      if ((FSMTreppe_U.anim_beendet == 1U) || (FSMTreppe_DW.temporalCounter_i1 >=
+           500U)) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_inaktiv;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 0U;
+      }
+      break;
+
+     case FSMTreppe_IN_abdimmen_runter:
+      // Outport: '<Root>/dimmrichtung'
+      FSMTreppe_Y.dimmrichtung = 0U;
+
+      // Outport: '<Root>/status'
+      FSMTreppe_Y.status = 9U;
+      if ((FSMTreppe_U.anim_beendet == 1U) || (FSMTreppe_DW.temporalCounter_i1 >=
+           500U)) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_ruhezustand;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 3U;
+      }
+      break;
+
+     case FSMTreppe_IN_aufdimmen_hoch:
+      // Outport: '<Root>/laufrichtung'
+      FSMTreppe_Y.laufrichtung = 1U;
+
+      // Outport: '<Root>/dimmrichtung'
+      FSMTreppe_Y.dimmrichtung = 1U;
+
+      // Outport: '<Root>/status'
+      FSMTreppe_Y.status = 4U;
+      if ((FSMTreppe_U.anim_beendet == 1U) || (FSMTreppe_DW.temporalCounter_i1 >=
+           500U)) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_warten_hoch;
+        FSMTreppe_DW.temporalCounter_i1 = 0U;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 5U;
+      }
+      break;
+
+     case FSMTreppe_IN_aufdimmen_ldr:
+      // Outport: '<Root>/status'
+      FSMTreppe_Y.status = 1U;
+
+      // Outport: '<Root>/dimmrichtung'
+      FSMTreppe_Y.dimmrichtung = 1U;
+      if ((FSMTreppe_U.anim_beendet == 1U) || (FSMTreppe_DW.temporalCounter_i1 >=
+           500U)) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_ruhezustand;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 3U;
+      }
+      break;
+
+     case FSMTreppe_IN_aufdimmen_runter:
+      // Outport: '<Root>/laufrichtung'
+      FSMTreppe_Y.laufrichtung = 0U;
+
+      // Outport: '<Root>/dimmrichtung'
+      FSMTreppe_Y.dimmrichtung = 1U;
+
+      // Outport: '<Root>/status'
+      FSMTreppe_Y.status = 7U;
+      if ((FSMTreppe_U.anim_beendet == 1U) || (FSMTreppe_DW.temporalCounter_i1 >=
+           500U)) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_warten_runter;
+        FSMTreppe_DW.temporalCounter_i1 = 0U;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 8U;
+      }
+      break;
+
+     case FSMTreppe_IN_inaktiv:
+      // Outport: '<Root>/status'
+      FSMTreppe_Y.status = 0U;
+      if (FSMTreppe_U.ldr_schwelle == 1U) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_aufdimmen_ldr;
+        FSMTreppe_DW.temporalCounter_i1 = 0U;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 1U;
+
+        // Outport: '<Root>/dimmrichtung'
+        FSMTreppe_Y.dimmrichtung = 1U;
+      }
+      break;
+
+     case FSMTreppe_IN_ruhezustand:
+      // Outport: '<Root>/status'
+      FSMTreppe_Y.status = 3U;
+      if (FSMTreppe_U.sensor_unten == 1U) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_aufdimmen_hoch;
+        FSMTreppe_DW.temporalCounter_i1 = 0U;
+
+        // Outport: '<Root>/laufrichtung'
+        FSMTreppe_Y.laufrichtung = 1U;
+
+        // Outport: '<Root>/dimmrichtung'
+        FSMTreppe_Y.dimmrichtung = 1U;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 4U;
+      } else if (FSMTreppe_U.sensor_oben == 1U) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_aufdimmen_runter;
+        FSMTreppe_DW.temporalCounter_i1 = 0U;
+
+        // Outport: '<Root>/laufrichtung'
+        FSMTreppe_Y.laufrichtung = 0U;
+
+        // Outport: '<Root>/dimmrichtung'
+        FSMTreppe_Y.dimmrichtung = 1U;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 7U;
+      } else if (FSMTreppe_U.ldr_schwelle == 0U) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_abdimmen_ldr;
+        FSMTreppe_DW.temporalCounter_i1 = 0U;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 2U;
+
+        // Outport: '<Root>/dimmrichtung'
+        FSMTreppe_Y.dimmrichtung = 0U;
+      }
+      break;
+
+     case FSMTreppe_IN_warten_hoch:
+      // Outport: '<Root>/status'
+      FSMTreppe_Y.status = 5U;
+      if ((FSMTreppe_U.sensor_oben == 1U) || (FSMTreppe_DW.temporalCounter_i1 >=
+           500U)) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_abdimmen_hoch;
+        FSMTreppe_DW.temporalCounter_i1 = 0U;
+
+        // Outport: '<Root>/dimmrichtung'
+        FSMTreppe_Y.dimmrichtung = 0U;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 6U;
+      }
+      break;
+
+     default:
+      // Outport: '<Root>/status'
+      // case IN_warten_runter:
+      FSMTreppe_Y.status = 8U;
+      if ((FSMTreppe_U.sensor_unten == 1U) || (FSMTreppe_DW.temporalCounter_i1 >=
+           500U)) {
+        FSMTreppe_DW.is_c3_FSMTreppe = FSMTreppe_IN_abdimmen_runter;
+        FSMTreppe_DW.temporalCounter_i1 = 0U;
+
+        // Outport: '<Root>/dimmrichtung'
+        FSMTreppe_Y.dimmrichtung = 0U;
+
+        // Outport: '<Root>/status'
+        FSMTreppe_Y.status = 9U;
+      }
+      break;
+    }
+  }
+
+  // End of Chart: '<Root>/FSMTreppe'
+}
+
+// Model initialize function
+void FSMTreppeModelClass::initialize()
+{
+  // (no initialization code required)
+}
+
+// Model terminate function
+void FSMTreppeModelClass::terminate()
+{
+  // (no terminate code required)
+}
+
+// Constructor
+FSMTreppeModelClass::FSMTreppeModelClass() :
+  FSMTreppe_DW(),
+  FSMTreppe_U(),
+  FSMTreppe_Y()
+{
+  // Currently there is no constructor body generated.
+}
+
+// Destructor
+FSMTreppeModelClass::~FSMTreppeModelClass()
+{
+  // Currently there is no destructor body generated.
+}
+
+//
+// File trailer for generated code.
+//
+// [EOF]
+//

lib/treppe/FSMTreppe3/FSMTreppe3.h

@@ -0,0 +1,122 @@
+//
+// Academic License - for use in teaching, academic research, and meeting
+// course requirements at degree granting institutions only.  Not for
+// government, commercial, or other organizational use.
+//
+// File: FSMTreppe.h
+//
+// Code generated for Simulink model 'FSMTreppe'.
+//
+// Model version                  : 1.51
+// Simulink Coder version         : 9.5 (R2021a) 14-Nov-2020
+// C/C++ source code generated on : Wed Jul  7 18:54:01 2021
+//
+// Target selection: ert.tlc
+// Embedded hardware selection: ARM Compatible->ARM Cortex-M
+// Code generation objectives: Unspecified
+// Validation result: Not run
+//
+#ifndef RTW_HEADER_FSMTreppe_h_
+#define RTW_HEADER_FSMTreppe_h_
+
+#include <stdint.h>
+
+// Class declaration for model FSMTreppe
+class FSMTreppeModelClass {
+  // public data and function members
+ public:
+  // Block states (default storage) for system '<Root>'
+  struct DW_FSMTreppe_T {
+    uint16_t temporalCounter_i1=0;       // '<Root>/FSMTreppe'
+    uint8_t is_active_c3_FSMTreppe=0;    // '<Root>/FSMTreppe'
+    uint8_t is_c3_FSMTreppe=0;           // '<Root>/FSMTreppe'
+  };
+
+  // External inputs (root inport signals with default storage)
+  struct ExtU_FSMTreppe_T {
+    uint32_t sensor_unten=0;            // '<Root>/sensor_unten'
+    uint32_t sensor_oben=0;             // '<Root>/sensor_oben'
+    uint32_t anim_beendet=0;            // '<Root>/anim_beendet'
+    uint32_t ldr_schwelle=0;            // '<Root>/ldr_schwelle'
+  };
+ 
+  // External outputs (root outports fed by signals with default storage)
+  struct ExtY_FSMTreppe_T {
+    uint32_t laufrichtung=0;              // '<Root>/laufrichtung'
+    uint32_t status=0;                    // '<Root>/status'
+    uint32_t dimmrichtung=0;              // '<Root>/dimmrichtung'
+  };
+
+  // model initialize function
+  void initialize();
+
+  // model step function
+  void step();
+
+  // model terminate function
+  void terminate();
+
+  // Constructor
+  FSMTreppeModelClass();
+
+  // Destructor
+  ~FSMTreppeModelClass();
+
+  // Root-level structure-based inputs set method
+
+  // Root inports set method
+  void setExternalInputs(const ExtU_FSMTreppe_T* pExtU_FSMTreppe_T)
+  {
+    FSMTreppe_U.anim_beendet = pExtU_FSMTreppe_T->anim_beendet;
+    FSMTreppe_U.ldr_schwelle = pExtU_FSMTreppe_T->ldr_schwelle;
+    FSMTreppe_U.sensor_oben = pExtU_FSMTreppe_T->sensor_oben;
+    FSMTreppe_U.sensor_unten = pExtU_FSMTreppe_T->sensor_unten;
+  }
+
+  // Root-level structure-based outputs get method
+
+  // Root outports get method
+  const FSMTreppeModelClass::ExtY_FSMTreppe_T getExternalOutputs() const
+  {
+    return FSMTreppe_Y;
+  }
+
+  // private data and function members
+ private:
+  // Block states
+  DW_FSMTreppe_T FSMTreppe_DW;
+
+  // External inputs
+  ExtU_FSMTreppe_T FSMTreppe_U;
+
+  // External outputs
+  ExtY_FSMTreppe_T FSMTreppe_Y;
+};
+
+//-
+//  The generated code includes comments that allow you to trace directly
+//  back to the appropriate location in the model.  The basic format
+//  is <system>/block_name, where system is the system number (uniquely
+//  assigned by Simulink) and block_name is the name of the block.
+//
+//  Note that this particular code originates from a subsystem build,
+//  and has its own system numbers different from the parent model.
+//  Refer to the system hierarchy for this subsystem below, and use the
+//  MATLAB hilite_system command to trace the generated code back
+//  to the parent model.  For example,
+//
+//  hilite_system('FSM_Treppenlicht/FSMTreppe')    - opens subsystem FSM_Treppenlicht/FSMTreppe
+//  hilite_system('FSM_Treppenlicht/FSMTreppe/Kp') - opens and selects block Kp
+//
+//  Here is the system hierarchy for this model
+//
+//  '<Root>' : 'FSM_Treppenlicht'
+//  '<S1>'   : 'FSM_Treppenlicht/FSMTreppe'
+
+#endif                                 // RTW_HEADER_FSMTreppe_h_
+
+//
+// File trailer for generated code.
+//
+// [EOF]
+//

lib/treppe/treppe.cpp

@@ -0,0 +1,401 @@
+#include "treppe.h"
+// #define DEBUG_TIMING
+
+/*
+    - dimmer_tick: increment pwm jeden tick, bis anim beendet
+    - return: fsm_pend.anim_beendet
+*/
+bool Treppe::dimmer_tick(dimmer_t *dimmer, bool dim_type) {
+  dimmer->pwm += dimmer->delta_pwm;
+  Serial.printf("%.0f", dimmer->pwm);
+
+  if (dim_type == DIM_STUFEN) {
+    pwmController.setChannelPWM(dimmer->stufe,
+                                static_cast<uint16_t>(dimmer->pwm));
+  } else { // DIM_LDR
+    pwmController.setAllChannelsPWM(static_cast<uint16_t>(dimmer->pwm));
+  }
+
+  dimmer->tick++;
+  if (dimmer->tick < dimmer->ticks) {
+    Serial.print("-");
+    return false;
+  }
+  Serial.println("");
+
+  if (dim_type == DIM_LDR) {
+    Serial.printf("DIM_LDR: start: %d, ziel: %d\n", dimmer->start_pwm,
+                  dimmer->ziel_pwm);
+    return true;
+  } else { // DIM_STUFEN
+    Serial.printf("DIM_STUFEN:  stufe: %d, start: %d, ziel: %d\n",
+                  dimmer->stufe, dimmer->start_pwm, dimmer->ziel_pwm);
+
+    if (fsm_outputs.laufrichtung == LR_HOCH) {
+      if (dimmer->stufe >= stufen - 1)
+        return true;
+      dimmer->stufe++;
+    } else { // LR_RUNTER
+      if (dimmer->stufe <= 0)
+        return true;
+      dimmer->stufe--;
+    }
+    dimmer->tick = 0;
+    dimmer->pwm = dimmer->start_pwm;
+  }
+  return false;
+}
+
+// startbedingunen für animation
+void Treppe::start_animation(dimmer_t *dimmer, bool dim_type, uint16_t on_pwm,
+                             uint16_t off_pwm) {
+  fsm_pend.anim_beendet = false;
+
+  if (dim_type == DIM_STUFEN) {
+    if (fsm_outputs.laufrichtung == LR_HOCH)
+      dimmer->stufe = 0;
+    else
+      dimmer->stufe = stufen - 1;
+
+    dimmer->ticks = param.time_per_stair / INT_TIME; // [ms]
+  } else {                                           // DIM_LDR
+    dimmer->ticks = param.time_ldr / INT_TIME;       // [ms]
+  }
+
+  if (fsm_outputs.dimmrichtung == DR_AUFDIMMEN) {
+    dimmer->start_pwm = off_pwm;
+    dimmer->ziel_pwm = on_pwm;
+    dimmer->delta_pwm = (float)(on_pwm - off_pwm) / (float)dimmer->ticks;
+  } else {
+    dimmer->start_pwm = on_pwm;
+    dimmer->ziel_pwm = off_pwm;
+    dimmer->delta_pwm = (float)(off_pwm - on_pwm) / (float)dimmer->ticks;
+  }
+
+  dimmer->tick = 0;
+  dimmer->pwm = dimmer->start_pwm;
+
+  Serial.printf("stufe %d, ticks %d, delta %f, start %d, ziel %d\n",
+                dimmer->stufe, dimmer->ticks, dimmer->delta_pwm,
+                dimmer->start_pwm, dimmer->ziel_pwm);
+}
+
+void Treppe::print_state_on_change() {
+  static FSMTreppeModelClass::ExtU_FSMTreppe_T last_in;
+  static FSMTreppeModelClass::ExtY_FSMTreppe_T last_out;
+  if (fsm_inputs.anim_beendet != last_in.anim_beendet ||
+      fsm_inputs.sensor_oben != last_in.sensor_oben ||
+      fsm_inputs.sensor_unten != last_in.sensor_unten ||
+      fsm_inputs.ldr_schwelle != last_in.ldr_schwelle ||
+      fsm_outputs.dimmrichtung != last_out.dimmrichtung ||
+      fsm_outputs.laufrichtung != last_out.laufrichtung ||
+      fsm_outputs.status != last_out.status) {
+    last_in.anim_beendet = fsm_inputs.anim_beendet;
+    last_in.sensor_oben = fsm_inputs.sensor_oben;
+    last_in.sensor_unten = fsm_inputs.sensor_unten;
+    last_in.ldr_schwelle = fsm_inputs.ldr_schwelle;
+    last_out.dimmrichtung = fsm_outputs.dimmrichtung;
+    last_out.laufrichtung = fsm_outputs.laufrichtung;
+    last_out.status = fsm_outputs.status;
+
+    Serial.printf("FSM IN: s_u: %d, s_o: %d, a_b: %d, l_s: %d => ",
+                  fsm_inputs.sensor_oben, fsm_inputs.sensor_unten,
+                  fsm_inputs.anim_beendet, fsm_inputs.ldr_schwelle);
+    Serial.printf("OUT: LR: %d DR: %d ST: %d\n", fsm_outputs.laufrichtung,
+                  fsm_outputs.dimmrichtung, fsm_outputs.status);
+  }
+}
+
+void Treppe::overwrite_sensors(bool s_oben, bool s_unten) {
+  fsm_pend.web_ctrl_s_oben = s_oben;
+  fsm_pend.web_ctrl_s_unten = s_unten;
+}
+
+void Treppe::read_sensors() {
+  const bool s_oben = digitalRead(SENSOR_OBEN);
+  const bool s_unten = digitalRead(SENSOR_UNTEN);
+
+  fsm_pend.sensor_oben = false;
+  fsm_pend.sensor_unten = false;
+
+  // rising trigger => 1 cycle true !
+  if (s_oben && !fsm_pend.last_s_oben) {
+    fsm_pend.sensor_oben = true;
+  }
+  if (s_unten && !fsm_pend.last_s_unten) {
+    fsm_pend.sensor_unten = true;
+  }
+
+  fsm_pend.last_s_oben = s_oben;
+  fsm_pend.last_s_unten = s_unten;
+
+  // check for manipulation over webserver
+  if (fsm_pend.web_ctrl_s_oben) {
+    fsm_pend.sensor_oben = true;
+    fsm_pend.web_ctrl_s_oben = false;
+  }
+  if (fsm_pend.web_ctrl_s_unten) {
+    fsm_pend.sensor_unten = true;
+    fsm_pend.web_ctrl_s_unten = false;
+  }
+}
+
+float Treppe::read_ldr() {
+  /*
+  Reads Illuminance in Lux
+
+  FUTURE USE : show current Illuminance on Webserver in order to calibrate
+
+  Voltage Divider 1 (R13, R14):
+  R13 = 220k, R14 = 82k
+  V(ADC) = V(in1) * R14/(R13+R14)
+  -> V(in1) = V(ADC) * (R13+R14)/R14
+  V(ADC) = analogRead(A0)/1023.00
+  -> V(in1) = analogRead(A0)/1023.00 * (R13+R14)/R14
+            = analogRead(A0) * (R13+R14)/(R14*1023.00)
+            = analogRead(A0) * (220k+82k)/(82k*1023.00)
+            = analogRead(A0) * 0.0036
+
+  Voltage Divider 2 (LDR, R1 || (R13+R14))
+  R1 = 47k, R13+R14 = 302k -> R1||(R13+R14) = 40,67k
+  Vcc/V(in1) = R(LDR) / (R1||(R13+R14))
+  -> R(LDR) = Vcc/V(in1) * (R1||(R13+R14))
+  R(LDR) = 3.3V * 40.67k / V(in1)
+
+  Join formulas:
+
+  R(LDR) = 3.3V * 40.67k / (0.0036 * analogRead(A0))
+         = 37280.00/analogRead(A0)
+  ldr_ohm = R(LDR)
+
+  E(LDR) = 6526.5 * R(LDR)^-2   (see Excel Regression)
+  E(LDR) = 6526.5 / (R(LDR)^2)
+  ldr_value = E(LDR)
+  */
+  // float ldr_ohm = 37280.00 / analogRead(A0);
+  float vol_adc = analogRead(A0) * 0.0036;
+  if(vol_adc > 3.29)
+    vol_adc = 3.29;
+
+  float ldr_ohm = 40.67 * (3.3 - vol_adc) / vol_adc;
+
+  float ldr_value = 6526.6 / (ldr_ohm * ldr_ohm);
+#ifdef LDRDEBUG
+  Serial.printf("vol_adc: %f Ohm: %f lux: %f Comp: %d\n", vol_adc, ldr_ohm, ldr_value,
+                param.ldr_schwelle);
+#endif
+  return ldr_value;
+}
+
+bool Treppe::check_ldr() {
+  static uint8_t active = 0;
+
+  // follow up: averaging over many samples?
+  float ldr = read_ldr();
+
+  if (ldr < param.ldr_schwelle) {
+    active = 1;
+  }
+  if (ldr > param.ldr_schwelle + LDR_HYS) {
+    active = 0;
+  }
+  return active;
+}
+
+void Treppe::task() {
+#ifdef DEBUG_TIMING
+  uint32_t m = micros();
+#endif
+
+  // TODO wenn LDR geändert => idle_pwm_soll anpassen
+  // fsm_pend.ldr_changed = true;
+  fsm_inputs.ldr_schwelle = check_ldr();
+
+#ifdef DEBUG_TIMING
+  Serial.print("1:");
+  Serial.println(micros() - m);
+  m = micros();
+#endif
+
+  read_sensors();
+  fsm_inputs.sensor_oben = fsm_pend.sensor_oben;
+  fsm_inputs.sensor_unten = fsm_pend.sensor_unten;
+
+  fsm_inputs.anim_beendet = fsm_pend.anim_beendet;
+
+#ifdef DEBUG_TIMING
+  Serial.print("2:");
+  Serial.println(micros() - m);
+  m = micros();
+#endif
+
+  FSMTreppe_Obj.setExternalInputs(&fsm_inputs);
+  FSMTreppe_Obj.step();
+  fsm_outputs = FSMTreppe_Obj.getExternalOutputs();
+
+#ifdef DEBUG_TIMING
+  Serial.print("3:");
+  Serial.println(micros() - m);
+  m = micros();
+#endif
+
+  print_state_on_change();
+
+#ifdef DEBUG_TIMING
+  Serial.print("4:");
+  Serial.println(micros() - m);
+  m = micros();
+#endif
+
+  if (fsm_outputs.status == ST_AUFDIMMEN_HOCH ||
+      fsm_outputs.status == ST_ABDIMMEN_HOCH ||
+      fsm_outputs.status == ST_AUFDIMMEN_RUNTER ||
+      fsm_outputs.status == ST_ABDIMMEN_RUNTER) {
+    if (fsm_pend.anim_beendet)
+      start_animation(&dimmer_stufen, DIM_STUFEN, param.active_pwm,
+                      idle_pwm_ist);
+    else
+      fsm_pend.anim_beendet = dimmer_tick(&dimmer_stufen, DIM_STUFEN);
+  } else if (fsm_outputs.status == ST_AUFDIMMEN_LDR ||
+             fsm_outputs.status == ST_ABDIMMEN_LDR) {
+    if (fsm_pend.anim_beendet)
+      start_animation(&dimmer_ldr, DIM_LDR, idle_pwm_ist, 0);
+    else
+      fsm_pend.anim_beendet = dimmer_tick(&dimmer_ldr, DIM_LDR);
+  } else if (fsm_outputs.status == ST_RUHEZUSTAND) {
+    if (fsm_pend.ldr_changed) {
+      fsm_pend.ldr_changed = false;
+      fsm_outputs.dimmrichtung = DR_AUFDIMMEN;
+      start_animation(&dimmer_ldr, DIM_LDR, idle_pwm_soll, idle_pwm_ist);
+      idle_pwm_ist = idle_pwm_soll;
+    }
+    if (!fsm_pend.anim_beendet) {
+      fsm_pend.anim_beendet = dimmer_tick(&dimmer_ldr, DIM_LDR);
+    }
+  }
+
+  if (fsm_outputs.status == ST_RUHEZUSTAND ||
+      fsm_outputs.status == ST_INAKTIV_LDR) {
+    if (param_changed) {
+      param_changed = false;
+      param = param_pend;
+      save_param_to_eeprom();
+      Serial.printf("Parameter Change applied!\n");
+    }
+  }
+
+#ifdef DEBUG_TIMING
+  Serial.print("5:");
+  Serial.println(micros() - m);
+#endif
+}
+
+void Treppe::setup() {
+  pwmController.resetDevices();
+  // Deactive PCA9685 Phase Balancer due to LED Flickering
+  // https://github.com/NachtRaveVL/PCA9685-Arduino/issues/15
+  // see also lib/PCA9685-Arduin/PCA9685.h:204
+  pwmController.init(PCA9685_PhaseBalancer_None);
+  // pwmController.init(PCA9685_PhaseBalancer_Linear);
+  pwmController.setPWMFrequency(100);
+  // pwmController.setAllChannelsPWM(idle_pwm);
+
+  // WARNING: before getting Parameters of Flash, make sure plausible parameters
+  // are written in flash!
+  EEPROM.get(EEP_START_ADDR, param); // get Parameters of flash
+
+  pinMode(13, OUTPUT);
+  pinMode(0, OUTPUT);
+  digitalWrite(13, HIGH);
+  digitalWrite(0, HIGH);
+
+  pinMode(A0, INPUT);
+  pinMode(SENSOR_OBEN, INPUT);
+  pinMode(SENSOR_UNTEN, INPUT);
+  pinMode(OE, OUTPUT);
+  digitalWrite(OE, 0);
+
+  Serial.printf("Treppe: stufen=%d\n", stufen);
+}
+
+void Treppe::save_param_to_eeprom() {
+  EEPROM.put(EEP_START_ADDR,
+             param); // copy Parameters so "EEPROM"-section in RAM
+  EEPROM.commit();   // write "EEPROM"-section to flash
+}
+
+void Treppe::set_idle_pwm_max(const uint16_t value,
+                              const vorgabe_typ_t vorgabe_typ) {
+  if (vorgabe_typ == VORGABE_PROZENT) {
+    param_pend.idle_pwm_max = param_pend.active_pwm * value / 100;
+  } else if (vorgabe_typ == VORGABE_12BIT) {
+    param_pend.idle_pwm_max = value;
+  }
+
+  if (param_pend.idle_pwm_max > param_pend.active_pwm) {
+    param_pend.idle_pwm_max = param_pend.active_pwm;
+  }
+  param_changed = true;
+
+  Serial.printf("Treppe: param_pend.idle_pwm_max=%d\n",
+                param_pend.idle_pwm_max);
+}
+
+void Treppe::set_active_pwm(const uint16_t value,
+                            const vorgabe_typ_t vorgabe_typ) {
+
+  if (vorgabe_typ == VORGABE_PROZENT) {
+    param_pend.active_pwm = 4095 * value / 100;
+  } else if (vorgabe_typ == VORGABE_12BIT) {
+    param_pend.active_pwm = value;
+  }
+
+  if (param_pend.active_pwm > 4095) {
+    param_pend.idle_pwm_max = 4095;
+  }
+  param_changed = true;
+
+  Serial.printf("Treppe: param_pend.active_pwm=%d\n", param_pend.active_pwm);
+}
+
+void Treppe::set_time_ldr(const uint16_t value) {
+  param_pend.time_ldr = value;
+  if (param_pend.time_ldr > TIME_MS_MAX)
+    param_pend.time_ldr = TIME_MS_MAX;
+  param_changed = true;
+
+  Serial.printf("Treppe: time_ldr=%d\n", param_pend.time_ldr);
+}
+
+void Treppe::set_time_per_stair(const uint16_t value) {
+  param_pend.time_per_stair = value;
+  if (param_pend.time_per_stair > TIME_MS_MAX)
+    param_pend.time_per_stair = TIME_MS_MAX;
+  param_changed = true;
+
+  Serial.printf("Treppe: time_per_stair=%d\n", param_pend.time_per_stair);
+}
+
+void Treppe::set_ldr_schwelle(const uint16_t value,
+                              const vorgabe_typ_t vorgabe_typ) {
+  if (vorgabe_typ == VORGABE_PROZENT) {
+    // ?!
+    param_pend.ldr_schwelle = 10 * value / 100;
+  } else if (vorgabe_typ == VORGABE_12BIT) {
+    param_pend.ldr_schwelle = value;
+  }
+  param_changed = true;
+
+  Serial.printf("Treppe: ldr_schwelle=%d\n", param_pend.ldr_schwelle);
+}
+
+void Treppe::param_to_json(char *json_str, size_t sz) {
+  snprintf(json_str, sz, "{\n\
+    \"time_ldr\": %d,\n\
+    \"time_per_stair\": %d,\n\
+    \"idle_pwm_max\": %d,\n\
+    \"active_pwm\": %d,\n\
+    \"ldr_schwelle\": %d\n}\n",
+           param.time_ldr, param.time_per_stair, param.idle_pwm_max,
+           param.active_pwm, param.ldr_schwelle);
+}

lib/treppe/treppe.h

@@ -0,0 +1,120 @@
+#ifndef __TREPPE_H
+#define __TREPPE_H
+
+#include "FSMTreppe3/FSMTreppe3.h"
+#include "PCA9685.h"
+#include <EEPROM.h>
+
+#define LDRDEBUG  // comment in to override LDR measurement
+#define LDR_HYS 100 // Hysteresis for switching off FSM [lux]
+
+#define SENSOR_OBEN 16
+#define SENSOR_UNTEN 12
+#define OE 14
+
+#define INT_TIME 20       // interrupt intervall [ms]
+#define TIME_MS_MAX 5000  // maximum time for animation [ms]
+
+enum vorgabe_typ_t { VORGABE_PROZENT = 0, VORGABE_12BIT = 1 };
+
+#define EEP_START_ADDR 100      // define Start Address for "EEPROM" storage -> depends on size of "wifi_data"!
+
+class Treppe {
+private:
+  const uint8_t stufen;
+
+  struct stairway_param_t {
+    uint16_t time_ldr = 500;
+    uint16_t time_per_stair = 300; // dimmtime per stair [ms]
+    uint16_t idle_pwm_max = 100;
+    uint16_t active_pwm = 2000;
+    uint16_t ldr_schwelle = 30; // activation value for FSM [lx]
+  };
+  stairway_param_t param;
+  stairway_param_t param_pend; // zwischenspeicher änderungen
+  bool param_changed = false;
+
+  uint16_t idle_pwm_ist = param.idle_pwm_max;
+  uint16_t idle_pwm_soll = 0;
+
+  struct fsm_pending_inputs_t {
+    bool anim_beendet = true;
+    bool sensor_unten = false;
+    bool last_s_unten = false;
+    bool web_ctrl_s_unten = false;
+    bool sensor_oben = false;
+    bool last_s_oben = false;
+    bool web_ctrl_s_oben = false;
+    bool ldr_changed = false;
+  };
+  fsm_pending_inputs_t fsm_pend;
+
+  struct dimmer_t {
+    uint8_t stufe = 0;
+    uint16_t ticks = 0;
+    uint16_t tick = 0;
+
+    float delta_pwm = 0.0;
+    float pwm = 0.0;
+    uint16_t start_pwm = 0;
+    uint16_t ziel_pwm = 0;
+  };
+  enum dimmer_type_t { DIM_STUFEN = 0, DIM_LDR = 1 };
+  dimmer_t dimmer_stufen;
+  dimmer_t dimmer_ldr;
+
+  // initialize with i2c-Address 0, use Wire Library
+  PCA9685 pwmController;
+  FSMTreppeModelClass FSMTreppe_Obj;
+  FSMTreppeModelClass::ExtU_FSMTreppe_T fsm_inputs;
+  FSMTreppeModelClass::ExtY_FSMTreppe_T fsm_outputs;
+  enum fsm_status_t {
+    ST_INAKTIV_LDR = 0,
+    ST_AUFDIMMEN_LDR = 1,
+    ST_ABDIMMEN_LDR = 2,
+    ST_RUHEZUSTAND = 3,
+    ST_AUFDIMMEN_HOCH = 4,
+    ST_WARTEN_HOCH = 5,
+    ST_ABDIMMEN_HOCH = 6,
+    ST_AUFDIMMEN_RUNTER = 7,
+    ST_WARTEN_RUNTER = 8,
+    ST_ABDIMMEN_RUNTER = 9
+  };
+  enum fsm_laufrichtung_t { LR_RUNTER = 0, LR_HOCH = 1 };
+  enum fsm_dimmrichtung_t { DR_ABDIMMEN = 0, DR_AUFDIMMEN = 1 };
+
+  void read_sensors();
+  void print_state_on_change();
+
+  /* DIMM */
+  bool dimmer_tick(dimmer_t *dimmer, bool dim_type);
+  void start_animation(dimmer_t *dimmer, bool dim_type, uint16_t on_pwm,
+                       uint16_t off_pwm);
+
+  /* LDR */
+  bool read_sensor(int sensor);
+  float read_ldr();
+  bool check_ldr();
+
+public:
+  Treppe(uint8_t _stufen) : stufen(_stufen) { FSMTreppe_Obj.initialize(); }
+  ~Treppe() { FSMTreppe_Obj.terminate(); }
+
+  void setup();
+  void task(); // call periodically
+
+  // Parameter section
+  void save_param_to_eeprom();
+  void param_to_json(char* json_str, size_t sz);
+
+  void set_idle_pwm_max(const uint16_t value, const vorgabe_typ_t vorgabe_typ);
+  void set_active_pwm(const uint16_t value, const vorgabe_typ_t vorgabe_typ);
+  
+  void set_time_ldr(const uint16_t value);
+  void set_time_per_stair(const uint16_t value);
+  void set_ldr_schwelle(const uint16_t value, const vorgabe_typ_t vorgabe_typ);
+
+  void overwrite_sensors(bool s_oben, bool s_unten);
+};
+
+#endif // __TREPPE_H

scripts/gdboptions_win

@@ -0,0 +1,17 @@
+set remote hardware-breakpoint-limit 1
+set remote hardware-watchpoint-limit 1
+set remote interrupt-on-connect on
+set remote kill-packet off
+set remote symbol-lookup-packet off
+set remote verbose-resume-packet off
+mem 0x20000000 0x3fefffff ro cache
+mem 0x3ff00000 0x3fffffff rw
+mem 0x40000000 0x400fffff ro cache
+mem 0x40100000 0x4013ffff rw cache
+mem 0x40140000 0x5fffffff ro cache
+mem 0x60000000 0x60001fff rw
+set serial baud 460800
+
+file .pio/build/debug/firmware.elf
+target remote \\.\COM23
+thb loop 

src/httpserver.cpp

@@ -1,17 +0,0 @@
-#include "httpserver.h"
-
-
-bool HTTPServer::addRootFileHandler() {
-
-  // //experimental, see doku.md
-  // server.serveStatic("/compressed", LittleFS, "/compressed.html.gzip");
-
-  this->serveStatic("", LittleFS, "/index.html");
-  this->serveStatic("/", LittleFS, "/index.html");
-  this->serveStatic("/#", LittleFS, "/index.html");
-  this->serveStatic("/style.css", LittleFS, "/style.css");
-  this->serveStatic("/input.js", LittleFS, "/input.js");
-  this->serveStatic("/favicon.png", LittleFS, "/favicon.png");
-
-  return true;
-}

src/main.cpp

@@ -9,80 +9,81 @@ extern "C" {
 #include "user_interface.h"
 }
 // OTA & WEB
-#include <ESP8266WiFi.h>
-#include <WiFiUdp.h>
-#include <ArduinoOTA.h>
-#include "ota.h"
-
-#include "wifi_credentials.h"
 #include "httpserver.h"
+#include "ota.h"
+#include "wifi_credentials.h"
+#include <EEPROM.h>
 
 // BOARD
 #define ESP12_LED 2
-#define NODEMCU_LED 16
+// #define NODEMCU_LED 16
 
 // PWM
-
+#include "treppe.h"
-#include "pwm.h"
 os_timer_t timer1;
 uint8_t timer_flag = 0;
-
+Treppe stairs(16);
-Treppe stairs(13);
-
 
 // WIFI
 const char *ssid = STASSID;
 const char *password = STAPSK;
 
+// port 80, root directory of server '/'
+HTTPServer httpServer(80, "/", &stairs);
 
-void timerCallback(void *pArg)
+uint32_t _t = 0;
-{
+#define SP_US(_str, _a)                                                        \
-  *((int *) pArg) += 1;
+  Serial.print(_str);                                                          \
+  Serial.print(" took: ");                                                     \
+  Serial.print(_a);                                                            \
+  Serial.println("us")
+#define TIMEIF_US(_f, _l, _str)                                                \
+  _t = micros();                                                               \
+  _f;                                                                          \
+  _t = micros() - _t;                                                          \
+  if (_t > (_l)) {                                                             \
+    SP_US(_str, _t);                                                           \
+  }
+
+struct { // Struct for wifi-data, 40 Bytes each SSID and PW
+  char SSID[40] = "";
+  char PW[40] = "";
+} wifi_data;
+
+void timerCallback(void *pArg) {
+  *(static_cast<int *>(pArg)) += 1;
   stairs.task();
 }
 
-// HTTP
-void handleNotFound();
-HTTPServer httpServer(80, "/");
-
-uint32_t _t=0;
-#define SP_US(_str,_a) Serial.print(_str); Serial.print(" took: "); Serial.print(_a); Serial.println("us")
-#define TIMEIF_US(_f, _l, _str) _t=micros(); _f; _t=micros()-_t; if(_t > _l) { SP_US(_str, _t); }
 // ===============================================
-
+uint8_t inter = 0;
-
+ICACHE_RAM_ATTR void int_test() { inter = 1; }
-void handleNotFound() {
-  String message = "File Not Found\n\n";
-  message += "URI: ";
-  message += httpServer.uri();
-  message += "\nMethod: ";
-  message += (httpServer.method() == HTTP_GET) ? "GET" : "POST";
-  message += "\nArguments: ";
-  message += httpServer.args();
-  message += "\n";
-
-  for (uint8_t i = 0; i < httpServer.args(); i++) {
-    message += " " + httpServer.argName(i) + ": " + httpServer.arg(i) + "\n";
-  }
-
-  httpServer.send(404, "text/plain", message);
-}
 
 void setup() {
 #ifdef WITH_DEBUGGING_ON
   Serial.begin(460800);
   gdbstub_init();
 #else
-  Serial.begin(115200);
+  Serial.begin(76800);
 #endif
-
+  Serial.println("Booting ....");
-  Serial.println(F("Booting ...."));
-
-  pinMode(NODEMCU_LED, OUTPUT);
   pinMode(ESP12_LED, OUTPUT);
 
+  EEPROM.begin(512); // init virtual "EEPROM" with size 512 Bytes
+
+  // strncpy(wifi_data.SSID, "donotconnect", 40);
+  // strncpy(wifi_data.PW, "unsafe lol", 40);
+
+  EEPROM.get(0, wifi_data);
+  // EEPROM.commit();
+
   Wire.begin(); // Wire must be started first
-  Wire.setClock(1000000);              // Supported baud rates are 100kHz, 400kHz, and 1000kHz
+  Wire.setClock(
+      1000000); // Supported baud rates are 100kHz, 400kHz, and 1000kHz
+  stairs.setup();
+  Serial.println("PCA9685 connected !");
+  // attachInterrupt(digitalPinToInterrupt(2), int_test, RISING);
+  // attachInterrupt(digitalPinToInterrupt(12), int_test, RISING);
 
   WiFi.mode(WIFI_STA);
   WiFi.begin(ssid, password);
@@ -102,25 +103,22 @@ void setup() {
   ota_setup();
 
   httpServer.start();
-  httpServer.onNotFound(handleNotFound);
+  httpServer.start_apps();
   Serial.println("HTTP server started !");
 
-  stairs.setup();
-  Serial.println("PCA9685 connected !");
-
   os_timer_setfn(&timer1, timerCallback, &timer_flag);
   os_timer_arm(&timer1, 20, true);
 
-  stairs.setState(1);
+  Serial.println("SSID: " + String(wifi_data.SSID) +
-  stairs.setDirection(1);
+                 " PW: " + String(wifi_data.PW));
 }
 
 void loop() {
-  if(millis() > 25000 && stairs.getState() == 1 && stairs.getDirection() == 1) stairs.setState(0);
+  if (inter != 0u) {
-  if(millis() > 45000 && stairs.getDirection() == 1){
+    Serial.printf("interrupt\n");
-    stairs.setState(1);
+    inter = 0;
-    stairs.setDirection(0);
   }
-  TIMEIF_US(ArduinoOTA.handle(), 1000, "OTA");
+
-  TIMEIF_US(httpServer.handleClient(), 1000, "HTTP");
+  TIMEIF_US(ArduinoOTA.handle(), 10000, "OTA");
+  TIMEIF_US(httpServer.handleClient(), 10000, "HTTP");
 }

src/pwm.cpp

@@ -1,136 +0,0 @@
-#include "pwm.h"
-
-uint8_t Treppe::softstart_led(uint8_t led, uint16_t startval, uint16_t stopval){
-    /*
-  softstart task
-
-  - get's called at regular intervals (1ms at the moment)
-  - dimms single led (0 - 15, PCA9685 outputs) with linear intervals vom startval to stopval
-  - calculates pwm steps depending on startval, stopval and timeinterval
-  - -> results in constanst speed
-  - returns 1 if led dimming is running
-  - returns 0 if led dimming is finished
-
-  */
-
-    static uint8_t lastled = 255;
-    static float current_pwm = 0;
-    static float stepsize = 1.0;
-    if(led != lastled){
-      pwmController.setChannelPWM(led, (uint16_t)startval);
-      lastled = led;
-      current_pwm = startval;
-      stepsize = 20*abs(stopval - startval)/(float)time_per_stair;      // only valid at 1ms function call interval
-      return 1;
-    }
-    
-    if(current_pwm > stopval - stepsize && current_pwm < stopval + stepsize) return 0;
-    // todo: duty cycle zero!
-    if(startval > stopval){
-      current_pwm -= stepsize;
-    }
-    else {
-      current_pwm += stepsize;
-    }
-    Serial.println((uint16_t)current_pwm);
-    pwmController.setChannelPWM(led, (uint16_t)current_pwm);
-    return 1;
-}
-
-void Treppe::ledsequence(){
-  static int8_t led = 0;
-  static uint16_t brightness = 0;
-  static uint16_t lastbrightness = 0;
-  static uint8_t finish = 1;
-  static uint16_t status = 0;
-  uint16_t status_build = 0;
-  status_build |= direction << 8;
-  status_build |= state;
-  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 = stairs-1;
-    if(state){
-      brightness = active_brightness;           // set brightness value depending of on/off
-      lastbrightness = idle_brightness;
-    }     
-    else{
-      brightness = idle_brightness;
-      lastbrightness = active_brightness;
-    }          
-    status = status_build;                    // set parameter memory
-    Serial.print("----Status Changed! onoff: ");
-    Serial.print(state);
-    Serial.print(" dir: ");
-    Serial.println(direction);
-
-  }
-  if(!finish){                                // finish == 0 -> action pending
-      if(!softstart_led(led,lastbrightness, brightness)){
-        Serial.print("one LED finished: ");
-        Serial.print(led);
-        Serial.print(" last: ");
-        Serial.print(lastbrightness);
-        Serial.print(" curr: ");
-        Serial.println(brightness);
-        if(direction){
-          led++;
-          if(led >= stairs) {
-            finish = 1;
-            //lastbrightness = brightness;
-            }
-        } 
-        else{
-           led--;
-           if(led < 0){
-             //lastbrightness = brightness;
-             finish = 1;
-            }
-        }
-      }
-  }
-}
-
-void Treppe::setup(){
-    pwmController.resetDevices();
-    pwmController.init();
-    pwmController.setPWMFrequency(200);
-    Serial.println("Hello from Treppe");
-    Serial.print("Treppe: initial parameters: stairs=");
-    Serial.println(stairs);
-}
-void Treppe::task(){
-    ledsequence();
-}
-
-uint16_t Treppe::setIdle(uint16_t _idle_brightness){
-    idle_brightness = _idle_brightness;
-    Serial.println("Treppe: idle brightness changed!");
-    return idle_brightness;
-}
-uint16_t Treppe::setActive(uint16_t _active_brightness){
-    active_brightness = _active_brightness;
-    Serial.println("Treppe: active brightness changed!");
-    return active_brightness;
-}
-uint16_t Treppe::setTime(uint16_t _time_per_stair){
-    time_per_stair = _time_per_stair;
-    Serial.println("Treppe: time changed!");
-    return time_per_stair;
-}
-
-uint8_t Treppe::setDirection(uint8_t _direction){
-    direction = _direction;
-    Serial.println("Treppe: Direction changed!");
-    // to do: implement state command variable to determine dimm-state
-    return direction;
-}
-
-uint8_t Treppe::setState(uint8_t _state){
-    if(state == _state) return 1;
-    else{
-        state = _state;
-        Serial.println("Treppe: State changed!");
-    }  
-    return 0;
-}

start_xtensa_gdb_stub.cmd

@@ -0,0 +1,5 @@
+SET GDB_PATH=C:\Users\simon\AppData\Local\Arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\3.0.0-newlib4.0.0-gnu23-48f7b08\bin\xtensa-lx106-elf-gdb.exe
+
+echo "Starting gdb"
+echo %GDB_PATH%
+%GDB_PATH% -x ".\scripts\gdboptions_win"

start_xtensa_gdb_stub.sh

@@ -1,6 +1,5 @@
 #!/bin/bash
 GDB_PATH=~/.arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/3.0.0-newlib4.0.0-gnu23-48f7b08/bin/xtensa-lx106-elf-gdb
 
-cd ..
 echo "Starting gdb"
 $GDB_PATH -x scripts/gdboptions

templ_platformio_ini

@@ -8,23 +8,34 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
-[env]
+[platformio]
+description = ESP8266 Treppenlicht Steuerung
+default_envs = ota
+; test_dir = test
+data_dir = data_gz
+
+[env:hardware]
 platform = espressif8266
-board = nodemcuv2
+; board = nodemcuv2
+board = huzzah
 framework = arduino
+; build_unflags = -Os
+; build_flags = -O2
 
-; for http files
 board_build.filesystem = littlefs
 board_build.ldscript = eagle.flash.4m1m.ld
 extra_scripts = pre:create_gz_files.py
 
-monitor_speed = 115200
-
 [env:serial]
+extends = env:hardware
 upload_protocol = esptool
 upload_speed = 921600
+upload_port = COM23
+monitor_port = COM23
+monitor_speed = 76800
 
 [env:ota]
+extends = env:hardware
 ; OTA => https://docs.platformio.org/en/latest/platforms/espressif8266.html#over-the-air-ota-update
 upload_protocol = espota
 upload_port = <!! IP ADDRESS !!>
@@ -33,13 +44,54 @@ upload_flags =
   --host_port=<!! PORT !!>
   --auth=admin
 
+
 [env:debug]
+extends = env:hardware
 ; look at doku.md
 build_flags = -DWITH_DEBUGGING_ON -Os -g3 -ggdb3
 upload_protocol = esptool
 upload_speed = 921600
+upload_port = COM23
+
+; for pio check
+; check_tool = cppcheck
+check_tool = clangtidy
+check_flags = 
+  clangtidy: --fix-errors lib/httpserver/*
+  ; clangtidy: lib/httpserver/* lib/treppe/* lib/treppe/FSMTreppe3/* lib/PCA9685-Arduino/*
+check_skip_packages = yes
+
+# This file is used compile and run tests located in the `unit` directory.
+# For more info, see:
+# https://docs.platformio.org/en/latest/plus/unit-testing.html
+# https://github.com/ThrowTheSwitch/Unity
+# https://github.com/ThrowTheSwitch/Unity/blob/master/docs/UnityAssertionsReference.md
 
 
 
+# To prepare coverage data for lcov, add ${coverage.build_flags} to env:test build flags
+# To actually generate coverage report:
+# $ `pio test` / run the test `program` manually
+# $ lcov --include (readlink -f ../espurna)'/*' --capture --directory .pio/build/test/ --output-file test.info
+# $ genhtml --ignore-errors source test.info --output-directory out
+
+[coverage]
+build_flags = -lgcov -fprofile-arcs -ftest-coverage
+
+[env:test]
+extends = env:hardware
+
+
+[env:native]
+platform = native
+test_build_project_src = true
+build_flags =
+    -DMANUFACTURER="PLATFORMIO"
+    -DDEVICE="TEST"
+    -std=gnu++11
+    -g
+    -Os
+    -I lib/treppe
+    -I lib/PCA9685-Arduino
 
 

test/test_main.cpp

@@ -1,40 +1,40 @@
-#include <Arduino.h>
+// #include <Arduino.h>
-#include <unity.h>
+// #include <unity.h>
 
-String STR_TO_TEST;
+// String STR_TO_TEST;
 
-void setUp(void) {
+// // void setUp(void) {
-    // set stuff up here
+// //     // set stuff up here
-    STR_TO_TEST = "Hello, world!";
+// //     STR_TO_TEST = "Hello, world!";
-}
+// // }
 
-void tearDown(void) {
+// // void tearDown(void) {
-    // clean stuff up here
+// //     // clean stuff up here
-    STR_TO_TEST = "";
+// //     STR_TO_TEST = "";
-}
+// // }
 
-void test_led_builtin_pin_number(void) {
+// void test_led_builtin_pin_number(void) {
-    TEST_ASSERT_EQUAL(2, LED_BUILTIN);
+//     TEST_ASSERT_EQUAL(2, LED_BUILTIN);
-}
+// }
 
-void test_string_concat(void) {
+// void test_string_concat(void) {
-    String hello = "Hello, ";
+//     String hello = "Hello, ";
-    String world = "world!";
+//     String world = "world!";
-    TEST_ASSERT_EQUAL_STRING(STR_TO_TEST.c_str(), (hello + world).c_str());
+//     TEST_ASSERT_EQUAL_STRING(STR_TO_TEST.c_str(), (hello + world).c_str());
-}
+// }
 
 
-void setup()
+// void setup()
-{
+// {
-    delay(2000); // service delay
+//     delay(2000); // service delay
-    UNITY_BEGIN();
+//     UNITY_BEGIN();
 
-    RUN_TEST(test_led_builtin_pin_number);
+//     RUN_TEST(test_led_builtin_pin_number);
-    RUN_TEST(test_string_concat);
+//     RUN_TEST(test_string_concat);
 
-    UNITY_END(); // stop unit testing
+//     UNITY_END(); // stop unit testing
-}
+// }
 
-void loop()
+// void loop()
-{
+// {
-}
+// }

test/test_pwm.cpp

@@ -0,0 +1,47 @@
+// #include <Arduino.h>
+#include "treppe.h"
+#include <unity.h>
+
+Treppe stairs(10);
+
+void setUp(void) {
+  // run before each test
+  // set stuff up here
+  stairs.setup();
+  Serial.println("Treppe initialized !");
+  Serial.println("PCA9685 connected !");
+}
+
+void tearDown(void) {
+    // clean stuff up here
+}
+
+void test_set_state(void) {
+  stairs.setState(1);
+  TEST_ASSERT_EQUAL(1, stairs.getState());
+  stairs.setState(0);
+  TEST_ASSERT_EQUAL(0, stairs.getState());
+}
+
+
+void test_set_direction(void) {
+  stairs.setDirection(1);
+  TEST_ASSERT_EQUAL(1, stairs.getDirection());
+  stairs.setDirection(0);
+  TEST_ASSERT_EQUAL(0, stairs.getDirection());
+}
+
+void setup()
+{   
+    delay(2000); // service delay
+    UNITY_BEGIN();
+
+    RUN_TEST(test_set_state);
+    RUN_TEST(test_set_direction);
+
+    UNITY_END(); // stop unit testing
+}
+
+void loop()
+{
+}