Merge branch 'master' of https://git.efi.th-nuernberg.de/gitea/schmidtsi76327/ESP8266_Treppenlicht

.gitignore

@@ -1,5 +1,6 @@
 .pio
 .vscode
+compress
 platformio.ini
 include/wifi_credentials.h
 include/*.gz.h

compress/favicon.png.gz.h

@@ -1,59 +0,0 @@
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compress/index.html.gz.h

@@ -1,46 +0,0 @@
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compress/input.js.gz.h

@@ -1,24 +0,0 @@
-// filename: input.js.gz.h
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compress/style.css.gz.h

@@ -1,98 +0,0 @@
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- 0x14, 0x2C, 0x53, 0x3B, 0x37, 0x2C, 0xB1, 0x9F, 0x8E, 0x93, 
- 0xDE, 0xB3, 0xDC, 0x23, 0x52, 0x47, 0x90, 0xE8, 0x9A, 0x98, 
- 0xF0, 0x9F, 0xA4, 0x7A, 0xFC, 0xFB, 0xCC, 0x71, 0xB6, 0x0A, 
- 0xD0, 0x4B, 0xF3, 0x5D, 0x9B, 0xD7, 0xDF, 0x5F, 0xBC, 0x3E, 
- 0xFF, 0x72, 0x68, 0xA9, 0x9A, 0x50, 0x8A, 0x19, 0x8A, 0x74, 
- 0x13, 0xE6, 0xF2, 0xDB, 0xA9, 0xB9, 0xEE, 0xC7, 0x68, 0x64, 
- 0x3B, 0x42, 0x32, 0x71, 0xF9, 0x2D, 0xFE, 0x65, 0xB8, 0x0C, 
- 0xA6, 0xC3, 0x21, 0xAC, 0x41, 0x99, 0x87, 0xF4, 0x54, 0xEB, 
- 0x16, 0x87, 0xDC, 0x76, 0xA4, 0xB0, 0xBA, 0x46, 0x46, 0xAF, 
- 0x9C, 0x76, 0x5B, 0xA5, 0x2A, 0xBC, 0x01, 0xA0, 0x28, 0x5F, 
- 0x9E, 0x51, 0xEB, 0xE1, 0x20, 0xDF, 0x3D, 0x3C, 0x80, 0xB1, 
- 0x07, 0x89, 0x01, 0x0E, 0xC0, 0xCC, 0x6F, 0x20, 0x43, 0x57, 
- 0x97, 0x8B, 0xF2, 0xA9, 0x91, 0x32, 0xF2, 0x77, 0xAD, 0xD3, 
- 0x68, 0x65, 0x38, 0x8B, 0x87, 0x1A, 0xB9, 0xC8, 0x05, 0x91, 
- 0x15, 0x9E, 0x5A, 0xBB, 0x53, 0xD4, 0x38, 0x73, 0x8F, 0x02, 
- 0x02, 0x87, 0x5C, 0xE9, 0xAA, 0x63, 0x77, 0x28, 0x33, 0x12, 
- 0x58, 0x76, 0xE9, 0x7E, 0xDE, 0xE3, 0x0F, 0x8D, 0x87, 0xC1, 
- 0x63, 0x6B, 0xAD, 0x1A, 0xEB, 0x96, 0x5B, 0x87, 0xD8, 0xF5, 
- 0x0C, 0x4B, 0xF5, 0x8C, 0xDD, 0x43, 0x67, 0xD6, 0x2F, 0xA6, 
- 0xCD, 0xEF, 0xA1, 0x5C, 0xB4, 0xA1, 0xED, 0x35, 0xD3, 0x58, 
- 0xF1, 0x03, 0x9C, 0x51, 0x6F, 0xA0, 0x54, 0x8D, 0xC1, 0x88, 
- 0xDC, 0x35, 0x60, 0x9E, 0x23, 0xB7, 0x06, 0x54, 0x05, 0x85, 
- 0xBB, 0x58, 0xB5, 0x91, 0x4E, 0x4E, 0xD5, 0x85, 0xF1, 0x41, 
- 0xE3, 0xCD, 0x05, 0x18, 0xA4, 0x11, 0xCF, 0xCC, 0x60, 0xC2, 
- 0xFA, 0x10, 0x6D, 0x84, 0xA1, 0x67, 0x5B, 0x97, 0x8F, 0xE0, 
- 0xDA, 0x1E, 0x64, 0xF7, 0x79, 0x5E, 0xC6, 0xB4, 0xF5, 0x49, 
- 0x88, 0x38, 0xDE, 0xBA, 0xE7, 0x7D, 0xAF, 0x0E, 0x60, 0x0A, 
- 0xB5, 0xF3, 0xA9, 0x07, 0x98, 0x5C, 0x90, 0x97, 0xA9, 0xB6, 
- 0x0A, 0x56, 0x65, 0x12, 0xE1, 0x8C, 0xAC, 0x7A, 0x70, 0x70, 
- 0x76, 0x57, 0x68, 0x55, 0xE2, 0x1A, 0xBE, 0xD4, 0xA8, 0xD9, 
- 0x1A, 0x1E, 0x58, 0xCE, 0xB4, 0x58, 0xC3, 0xC7, 0x6C, 0x8B, 
- 0x2B, 0x20, 0x0F, 0x1A, 0x31, 0xF5, 0x95, 0xEC, 0x3E, 0x09, 
- 0x4D, 0xAA, 0xDE, 0xAF, 0x68, 0x07, 0x83, 0x9A, 0x4A, 0x4D, 
- 0x2A, 0xF5, 0xB4, 0x9A, 0x97, 0x9E, 0x74, 0x69, 0xC2, 0x39, 
- 0xB2, 0x45, 0x53, 0xA6, 0xDF, 0xD3, 0xF2, 0x29, 0x29, 0xBB, 
- 0xF8, 0xFF, 0x41, 0xC4, 0x7E, 0x97, 0x76, 0x4D, 0x67, 0x60, 
- 0x82, 0x52, 0xF9, 0x84, 0x80, 0x53, 0xEA, 0x3E, 0x7A, 0x8E, 
- 0x4C, 0x5F, 0x53, 0x78, 0x37, 0x31, 0x7E, 0x75, 0xC0, 0x47, 
- 0x89, 0x25, 0xAD, 0xFB, 0x53, 0xD2, 0x6E, 0xB7, 0x5F, 0x2B, 
- 0x6D, 0xAC, 0xE6, 0xDA, 0x9E, 0xFE, 0xD5, 0x39, 0xD3, 0x3B, 
- 0x7F, 0x37, 0x96, 0xD4, 0xCB, 0x8C, 0x5F, 0xD7, 0x1B, 0x7F, 
- 0x33, 0xE4, 0xF6, 0xE7, 0xB0, 0xF1, 0xC3, 0x20, 0xFE, 0x03, 
- 0xF9, 0xD5, 0xDB, 0xFC, 0xD4, 0x0A, 0x00, 0x00};

create_gz_files.py

@@ -31,5 +31,8 @@ def convert_to_gzip(src, out, f):
 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

@@ -1,38 +1,56 @@
 <!DOCTYPE html>
 <html>
-  <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;">
-          <b>Treppenlicht</b>
-    </div>
 
-    <div class="ueberschrift">
+<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;">
+    <b>Treppenlicht</b>
+  </div>
+
+  <div class="ueberschrift">
     <center>Helligkeit</center>
-      <div class="slider">
-        <label id="label_pwm">
-        </label>
-        <input type="range" class="testregler" min="0" max="100">
-      </div>
+    <div class="slider">
+      <label id="label_pwm">
+      </label>
+      <input type="range" class="testregler" min="0" max="100">
     </div>
-<br>
-    <div class="ueberschrift">
+  </div>
+  <div class="ueberschrift">
+    <center>Helligkeit bei Dunkelheit</center>
+    <div class="slider">
+      <label id="label_geschwindigkeit">
+      </label>
+      <input type="range" class="testregler" min="0" max="100">
+    </div>
+  </div>
+  <br>
+  <div class="ueberschrift">
     <center>Laufgeschwindigkeit</center>
-      <div class="slider">
-        <label id="label_geschwindigkeit">
-        </label>
-        <input type="range" class="testregler" min="0" max="100">
-      </div>
+    <div class="slider">
+      <label id="label_geschwindigkeit">
+      </label>
+      <input type="range" class="testregler" min="0" max="100">
     </div>
-    
-  </body> 
+  </div>
+  <br>
+  <div class="ueberschrift">
+    <center>Licht-An-Zeit</center>
+    <div class="slider">
+      <label id="label_geschwindigkeit">
+      </label>
+      <input type="range" class="testregler" min="0" max="100">
+    </div>
+  </div>
 
-  <script src="/input.js"></script>
 
-</html>
+</body>
+
+<script src="/input.js"></script>
+
+</html>

data/style.css

@@ -26,7 +26,7 @@ html {
 
 .testregler{
   -webkit-appearance: none;
-  height: 20px;
+  height: 30px;
   width: 98%;
   border-radius: 20px;
   outline: black;
@@ -44,12 +44,9 @@ html {
 input[type=range]::-webkit-slider-thumb{
   -webkit-appearance: none;
   border:none;
-  height: 100px;
-  width: 100px;
-  background:goldenrod;
-  margin-top: -15px;
-  border-radius: o!important;
-
+  height: 30px;
+  width: 4%;
+  border-radius: 30px;
 }
 
 .kopfzeile{

doku.md

@@ -52,4 +52,12 @@ if(p.endsWith(".gzip")) {
 }
 else
     server.streamFile(f, mime::getContentType(SRH::_path), requestMethod);
-```
+```
+
+
+Webserver on v0.3.0 now working with LittleFS
+TODO:
+- check dir for files automatic
+- move handleNotFound to httpserver.h
+- maybe compress files ?
+

include/ota.h

@@ -0,0 +1,48 @@
+#ifndef __OTA_H
+#define __OTA_H
+
+void ota_setup() {
+  ArduinoOTA.setPort(8266);
+  ArduinoOTA.setHostname("ESP_Treppenlicht");
+  ArduinoOTA.setPassword("admin");
+  // Password can be set with it's md5 value as well
+  // MD5(admin) = 21232f297a57a5a743894a0e4a801fc3
+  // ArduinoOTA.setPasswordHash("21232f297a57a5a743894a0e4a801fc3");
+
+  ArduinoOTA.onStart([]() {
+    String type;
+    if (ArduinoOTA.getCommand() == U_FLASH) {
+      type = "sketch";
+    } else { // U_FS
+      type = "filesystem";
+    }
+
+    // NOTE: if updating FS this would be the place to unmount FS using FS.end()
+    Serial.println("Start updating " + type);
+  });
+  ArduinoOTA.onEnd([]() {
+    Serial.println("\nEnd");
+  });
+  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
+    Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
+  });
+  ArduinoOTA.onError([](ota_error_t error) {
+    Serial.printf("Error[%u]: ", error);
+    if (error == OTA_AUTH_ERROR) {
+      Serial.println("Auth Failed");
+    } else if (error == OTA_BEGIN_ERROR) {
+      Serial.println("Begin Failed");
+    } else if (error == OTA_CONNECT_ERROR) {
+      Serial.println("Connect Failed");
+    } else if (error == OTA_RECEIVE_ERROR) {
+      Serial.println("Receive Failed");
+    } else if (error == OTA_END_ERROR) {
+      Serial.println("End Failed");
+    }
+  });
+  ArduinoOTA.begin();
+
+}
+
+
+#endif // __OTA_H

include/pwm.h

@@ -0,0 +1,38 @@
+#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;};
+};

src/main.cpp

@@ -1,40 +1,56 @@
 #include <Arduino.h>
 
-// debugging support via GDBStub over UART
 #ifdef WITH_DEBUGGING_ON
-#include <GDBStub.h>
+#include <GDBStub.h> // debugging support via GDBStub over UART
 #endif
 
 #include "PCA9685.h"
-extern "C" {
-#include "user_interface.h"
+extern "C" { 
+  #include "user_interface.h" 
 }
-
-#define ESP12_LED 2
-#define NODEMCU_LED 16
-
 // OTA & WEB
-#include "wifi_credentials.h"
 #include <ESP8266WiFi.h>
 #include <WiFiUdp.h>
 #include <ArduinoOTA.h>
+#include "ota.h"
 
+#include "wifi_credentials.h"
 #include "httpserver.h"
 
+// BOARD
+#define ESP12_LED 2
+#define NODEMCU_LED 16
+
+// PWM
+
+#include "pwm.h"
+os_timer_t timer1;
+uint8_t timer_flag = 0;
+
+Treppe stairs(13);
+
+
+// WIFI
 const char* ssid = STASSID;
 const char* password = STAPSK;
 
-os_timer_t timer1;
-int timer_arg;
 
-void setup_ota();
-void setup_pwm_pca9685();
+void timerCallback(void *pArg)
+{
+  *((int *) pArg) += 1;
+  stairs.task();
+}
+
+// HTTP
 void handleNotFound();
-
-const int led = 13;
-
 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); }
+// ===============================================
+
+
 void handleNotFound() {
   String message = "File Not Found\n\n";
   message += "URI: ";
@@ -52,79 +68,6 @@ void handleNotFound() {
   httpServer.send(404, "text/plain", message);
 }
 
-PCA9685 pwmController;
-
-
-
-
-void setup_ota() {
-  ArduinoOTA.setPort(8266);
-  ArduinoOTA.setHostname("ESP_Treppenlicht");
-  ArduinoOTA.setPassword("admin");
-  // Password can be set with it's md5 value as well
-  // MD5(admin) = 21232f297a57a5a743894a0e4a801fc3
-  // ArduinoOTA.setPasswordHash("21232f297a57a5a743894a0e4a801fc3");
-
-  ArduinoOTA.onStart([]() {
-    String type;
-    if (ArduinoOTA.getCommand() == U_FLASH) {
-      type = "sketch";
-    } else { // U_FS
-      type = "filesystem";
-    }
-
-    // NOTE: if updating FS this would be the place to unmount FS using FS.end()
-    Serial.println("Start updating " + type);
-  });
-  ArduinoOTA.onEnd([]() {
-    Serial.println("\nEnd");
-  });
-  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
-    Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
-  });
-  ArduinoOTA.onError([](ota_error_t error) {
-    Serial.printf("Error[%u]: ", error);
-    if (error == OTA_AUTH_ERROR) {
-      Serial.println("Auth Failed");
-    } else if (error == OTA_BEGIN_ERROR) {
-      Serial.println("Begin Failed");
-    } else if (error == OTA_CONNECT_ERROR) {
-      Serial.println("Connect Failed");
-    } else if (error == OTA_RECEIVE_ERROR) {
-      Serial.println("Receive Failed");
-    } else if (error == OTA_END_ERROR) {
-      Serial.println("End Failed");
-    }
-  });
-  ArduinoOTA.begin();
-}
-
-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
-
-  Serial.println(pwmController.getChannelPWM(0)); // Should output 2048, which is 128 << 4
-}
-
-
-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);
-
-uint8_t flag = 0;
-void timer_callback(void *pArg)
-{
-  *((int *) pArg) += 1;
-  
-  flag = 1;
-}
-
-
 void setup() {
 #ifdef WITH_DEBUGGING_ON
   Serial.begin(460800);
@@ -135,12 +78,11 @@ void setup() {
 
   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
+  Wire.setClock(1000000);              // Supported baud rates are 100kHz, 400kHz, and 1000kHz
 
   WiFi.mode(WIFI_STA);
   WiFi.begin(ssid, password);
@@ -151,133 +93,34 @@ void setup() {
     ESP.restart();
   }
 
-  pinMode(led, OUTPUT);
-  digitalWrite(led, 0);
   Serial.println("");
   Serial.print("Connected to ");
   Serial.println(ssid);
   Serial.print("IP address: ");
   Serial.println(WiFi.localIP());
 
-  os_timer_setfn(&timer1, timer_callback, &timer_arg);
-  os_timer_arm(&timer1, 1, true);
-
-  Serial.println("Ready");
-  Serial.print("IP address: ");
-  Serial.println(WiFi.localIP());
-
-  setup_ota();
+  ota_setup();
 
   httpServer.start();
   httpServer.onNotFound(handleNotFound);
   Serial.println("HTTP server started !");
 
-  setup_pwm_pca9685();
+  stairs.setup();
   Serial.println("PCA9685 connected !");
+
+  os_timer_setfn(&timer1, timerCallback, &timer_flag);
+  os_timer_arm(&timer1, 20, true);
+
+  stairs.setState(1);
+  stairs.setDirection(1);
 }
 
-uint8_t softstart_led(uint8_t led, uint16_t startval, uint16_t stopval, uint8_t factor){
-    static uint8_t lastled = 255;
-    static uint8_t current_pwm = 0;
-    
-    if(led != lastled){
-      pwmController.setChannelPWM(led, startval);
-      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;
-            }
-        }
-      }
-  }
-}
-
-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); }
-
 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;
+  if(millis() > 25000 && stairs.getState() == 1 && stairs.getDirection() == 1) stairs.setState(0);
+  if(millis() > 45000 && stairs.getDirection() == 1){
+    stairs.setState(1);
+    stairs.setDirection(0);
   }
   TIMEIF_US(ArduinoOTA.handle(), 1000, "OTA");
   TIMEIF_US(httpServer.handleClient(), 1000, "HTTP");
-
-  if(flag) {
-    flag = 0;
-    ledsequence(direction, onoff, 4);
-    //Serial.printf("[%lu] interrupt\n\r", millis());
-  }
 }

src/pwm.cpp

@@ -0,0 +1,136 @@
+#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(B000000);
+    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;
+}