Fehler in PCA Library mit LED flicker

.gitignore

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

.vscode/settings.json

@@ -10,6 +10,43 @@
         "vector": "cpp",
         "string_view": "cpp",
         "memory": "cpp",
-        "ranges": "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"
     }
 }

README.md

@@ -35,8 +35,5 @@ upload_port = <IPADRESS>
 upload_flags =
   --port=8266
   --auth=admin
-
-lib_deps =
-  ottowinter/PCA9685 16-Channel PWM Driver Module Library @ 1.2.9
 ```
 

create_gz_files.py

@@ -1,3 +1,4 @@
+#!/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/
@@ -27,8 +28,11 @@ def convert_to_gzip(src, out, f):
             f_out.write(top.encode(encoding='utf-8'))
 
 
-src='include/http/'
-out='include/'
+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

@@ -0,0 +1,67 @@
+<!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">
+    Helligkeit
+    <!--<label id="label_pwm">
+      </label>-->
+      <div class="slider">
+        <input type="range" class="regler" id="helligkeit" name="rangeInput" 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">
+    Laufgeschwindigkeit
+    <!--<label id="label_geschwindigkeit">
+      </label>-->
+          <div class="slider">
+            <input type="range" class="regler" id="geschwindigkeit" name="rangeInput" min="0" max="100" value="50"
+              oninput="amount3.value=geschwindigkeit.value">
+            <br>
+            <output name="amount3" id="amount3" for="geschwindigkeit">50</output>
+          </div>
+  </div>
+
+  <div class="ueberschrift">
+    Licht-An-Zeit
+    <!--  <label id="label_time">
+        </label>-->
+        <div class="slider">
+          <input type="range" class="regler" id="time" name="rangeInput" min="0" max="100" value="50"
+            oninput="amount4.value=time.value">
+          <br>
+          <output name="amount4" id="amount4" for="time">50</output>
+        </div>
+  </div>
+
+</body>
+
+<script src="/input.js"></script>
+
+</html>

data/style.css

@@ -0,0 +1,106 @@
+html {
+  font-size: 16px;
+  font-family: sans-serif, Arial, Helvetica;
+  background-color: #d4d4d4;
+  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;
+  background-color: #1f1f1f;
+  color: white;
+  font-size: x-large;
+  text-align: center;
+}
+
+.ueberschrift{
+  color: #ffffff;
+  font-size: 50px;
+  width: 100%;
+  text-align: center;
+}
+
+.regler{
+
+  -webkit-appearance: none;
+  height: 30px;
+  width: 100%;
+  border-radius: 20px;
+  outline: black;
+  background-color: rgb(176, 188, 228);
+}
+.regler::-webkit-slider-thumb{
+  -webkit-appearance: none;
+  appearance: none;
+  width: 5%;
+  height: 20px;
+  border-radius: 10px;
+  background-color: rgb(107, 122, 192);
+  cursor:pointer;
+}
+input[type=range]::-webkit-slider-thumb{
+  -webkit-appearance: none;
+  border:none;
+  height: 30px;
+  width: 4%;
+  border-radius: 30px;
+}
+.slider {
+  width: 100%;
+}
+
+.kopfzeile{
+  color: #1f1f1f;
+  font-size: 50px;
+  width: 100%;
+  background-color: #8d8a8a;
+}
+
+
+
+
+/*-------------------------------------------------------*/
+
+
+/*Switch:
+.switch {
+  position: relative;
+  display: inline-block;
+  width: 60px;
+  height: 34px;
+}
+
+Hide default HTML checkbox
+.switch input {
+  opacity: 0;
+  width: 0;
+  height: 0;
+}
+*/
+/* The slider */
+
+
+/*input:checked + .slider {
+  background-color: #04AA6D;
+}
+
+input:focus + .slider {
+  box-shadow: 0 0 1px #04AA6D;
+}*/
+/*
+input:checked + .slider:before {
+  -webkit-transform: translateX(26px);
+  -ms-transform: translateX(26px);
+  transform: translateX(26px);
+}
+

doku.md

@@ -0,0 +1,68 @@
+Hardware Timer didnt work https://github.com/khoih-prog/ESP8266TimerInterrupt#why-using-isr-based-hardware-timer-interrupt-is-better
+
+=> Software Timer https://ullisroboterseite.de/esp8266-timing.html#timer
+
+
+
+
+### __Zum aktivieren von GDBStub:__
+```c
+#include <GDBStub.h>
+
+...
+
+void setup() {
+  Serial.begin(460800);
+  gdbstub_init();
+```
+
+### __Achtung !__
+GDB muss dafür compiled werden
+GDB-Version aus Arduino Toolchain hat Support
+
+```sh
+$ ./start_xtensa_gdb_stub.sh
+```
+
+### __Achtung !__
+Don`t forget __\r__
+
+ESP-OTA wird von ufw oder Defender geblockt.
+- Windows -> Python needs to be granted with rights
+- Linux -> open udp port in ufw -> 
+
+```sh
+platform.ini 
+upload_flags =
+  --host-port <PORT>
+...
+$ sudo ufw allow tcp/<PORT>
+```
+
+
+```c++
+server.streamFile(f, mime::getContentType(SRH::_path), requestMethod);
+
+=====>
+
+const String& p = SRH::_path;
+if(p.endsWith(".gzip")) {
+    server.sendHeader("Content-Encoding", "gzip");
+    server.streamFile(f, mime::getContentType(p.substring(0, p.length()-5)), requestMethod);
+}
+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 ?
+
+
+LED Flickering issue
+https://github.com/NachtRaveVL/PCA9685-Arduino/issues/15
+
+PlatformIO Library veraltet

doku.txt

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

include/filesys.h

@@ -0,0 +1,16 @@
+#ifndef __FILESYS_H
+#define __FILESYS_H
+
+#include <LittleFS.h>
+
+bool mount_fs();
+bool format_fs();
+
+void ls(const char * dirname);
+void readFile(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

include/http/index.html

@@ -1,40 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <title>ESP8266 Treppenlicht</title>
-    <!-- main style sheet -->
-    <link href="/favicon.png" rel="icon" type="image/png" sizes="16x16">
-    <link href="/style.css" rel="stylesheet" type="text/css">
-
-  </head>
-  <body>
-    <div class="topbar">
-      ESP8266 Treppenlicht Controller
-    </div>
-    <div class="control">
-      <div class="brightness">
-      </div>
-      <div class="onoff">
-        toggle all
-        <label id="l_onoff"></label>
-        <label class="switch">
-          <input type="checkbox">
-          <span class="slider round"></span>
-        </label>
-      </div>
-      <div class="pwm">
-        <label id="label_pwm"></label>
-        <input type="range" min="1" max="100" value="50" class="rangeslider" id="range1">
-      </div>
-      <div class="timer">
-        <label id="label_timer"></label>
-        <input type="range" min="1" max="100" value="50" class="rangeslider" id="timer_range">
-      </div>
-    </div>
-    
-   
-  </body>
-
-  <script src="/input.js"></script>
-
-</html>

include/http/style.css

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

include/httpserver.h

@@ -0,0 +1,48 @@
+#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

@@ -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;};
+};

scripts/gdboptions

@@ -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 /dev/ttyUSB0
+thb loop 

src/filesys.cpp

@@ -0,0 +1,130 @@
+#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() {
+  if(!LittleFS.begin()) {
+    Serial.println("[ERROR] LittleFS.info(), reset ...");
+    return false;
+  }
+
+  if(!LittleFS.info(fsinfo)) {
+    Serial.println("[ERROR] LittleFS.info(), reset ...");
+    return false;
+  }
+
+  printf("Filesystem opened:\n\r");
+  printf("\ttotalBytes:\t%d\n\r",     fsinfo.totalBytes);
+  printf("\tusedBytes:\t%d\n\r",      fsinfo.usedBytes);
+  printf("\tblockSize:\t%d\n\r",      fsinfo.blockSize);
+  printf("\tpageSize:\t%d\n\r",       fsinfo.pageSize);
+  printf("\tmaxOpenFiles:\t%d\n\r",   fsinfo.maxOpenFiles);
+  printf("\tmaxPathLength:\t%d\n\r",  fsinfo.maxPathLength);
+  printf("\n\r");
+
+  return true;
+}
+
+bool format_fs() {
+  printf("Formatting FS ! \n\r");
+  return LittleFS.format();
+}
+
+void ls(const char * dirname) {
+  Serial.printf("ls -l %s\n\r", dirname);
+  Dir root = LittleFS.openDir(dirname);
+
+  while (root.next()) {
+    File file = root.openFile("r");
+
+    time_t lw = file.getLastWrite();
+    struct tm * tmstruct = localtime(&lw);
+    Serial.printf("%8d  %02d %02d %02d:%02d  %s\n\r",
+        file.size(), 
+        tmstruct->tm_mon + 1, 
+        tmstruct->tm_mday,
+        tmstruct->tm_hour,
+        tmstruct->tm_min,
+        root.fileName().c_str());
+    file.close();
+  }
+  Serial.println();
+}
+
+void readFile(const char * path) {
+  Serial.printf("Reading file: %s\n\r", path);
+
+  File file = LittleFS.open(path, "r");
+  if (!file) {
+    Serial.println("Failed to open file for reading");
+    return;
+  }
+
+  Serial.print("Read from file: ");
+  while (file.available()) {
+    Serial.write(file.read());
+  }
+  file.close();
+}
+
+void writeFile(const char * path, const char * message) {
+  Serial.printf("Writing file: %s\n\r", path);
+
+  File file = LittleFS.open(path, "w");
+  if (!file) {
+    Serial.println("Failed to open file for writing");
+    return;
+  }
+  if (file.print(message)) {
+    Serial.println("File written");
+  } else {
+    Serial.println("Write failed");
+  }
+  delay(2000); // Make sure the CREATE and LASTWRITE times are different
+  file.close();
+}
+
+void appendFile(const char * path, const char * message) {
+  Serial.printf("Appending to file: %s\n\r", path);
+
+  File file = LittleFS.open(path, "a");
+  if (!file) {
+    Serial.println("Failed to open file for appending");
+    return;
+  }
+  if(file.print(message)) {
+    Serial.println("Message appended");
+  } else {
+    Serial.println("Append failed");
+  }
+  file.close();
+}
+
+void renameFile(const char * path1, const char * path2) {
+  Serial.printf("Renaming file %s to %s\n\r", path1, path2);
+  if (LittleFS.rename(path1, path2)) {
+    Serial.println("File renamed");
+  } else {
+    Serial.println("Rename failed");
+  }
+}
+
+void deleteFile(const char * path) {
+  Serial.printf("Deleting file: %s\n\r", path);
+  if (LittleFS.remove(path)) {
+    Serial.println("File deleted");
+  } else {
+    Serial.println("Delete failed");
+  }
+}
+
+
+
+ 

src/httpserver.cpp

@@ -0,0 +1,17 @@
+#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

@@ -1,186 +1,80 @@
 #include <Arduino.h>
-#include <Wire.h>
+
+#ifdef WITH_DEBUGGING_ON
+#include <GDBStub.h> // debugging support via GDBStub over UART
+#endif
 
 #include "PCA9685.h"
-#include <GDBStub.h>
-
-#define ESP12_LED 2
-#define NODEMCU_LED 16
-
 extern "C" { 
   #include "user_interface.h" 
 }
-os_timer_t Timer1;         // Verwaltungsstruktur des Timers
+// OTA & WEB
+#include <ESP8266WiFi.h>
+#include <WiFiUdp.h>
+#include <ArduinoOTA.h>
+#include "ota.h"
 
-int c;
-bool toggle = false;
-uint32_t m=0;
+#include "wifi_credentials.h"
+#include "httpserver.h"
 
-uint32_t dimmtimer = 0; 
-uint8_t direction = 1;
-uint8_t onoff = 1;
+// 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);
 
 
-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);
+// WIFI
+const char* ssid = STASSID;
+const char* password = STAPSK;
+
 
 void timerCallback(void *pArg)
 {
   *((int *) pArg) += 1;
-  
-  ledsequence(direction, onoff, 4);
-  // Serial.print("[");
-  // Serial.print(micros()-m);
-  // Serial.print("] timerCallback\n");
-  // m = micros();
+  stairs.task();
 }
 
-// OTA & WEB
-#include "wifi_credentials.h"
-#include <ESP8266WiFi.h>
-#include <WiFiUdp.h>
-#include <ArduinoOTA.h>
-
-#include <ESP8266WebServer.h>
-#include <WiFiClient.h>
-
-#include "index.html.gz.h"
-#include "style.css.gz.h"
-#include "favicon.png.gz.h"
-// images are possible
-// maybe check out FS <- SPIFFS
-
-const char* ssid = STASSID;
-const char* password = STAPSK;
-
-void setup_webserver();
-void setup_ota();
-void setup_pwm_pca9685();
-void handleRootGz();
-void handleCssGz();
+// HTTP
 void handleNotFound();
+HTTPServer httpServer(80, "/");
 
-const int led = 13;
-ESP8266WebServer server(80);
-PCA9685 pwmController;
+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 handleRootGz() {
-    const char* dataType = "text/html";
-    server.sendHeader(F("Content-Encoding"), F("gzip"));
-    server.send(200, dataType, (const char*)index_html_gz, index_html_gz_len);
-}
-
-void handleCssGz() {
-    const char* dataType = "text/css";
-    server.sendHeader(F("Content-Encoding"), F("gzip"));
-    server.send(200, dataType, (const char*)style_css_gz, style_css_gz_len);
-}
-void handleFaviconGz() {
-    const char* dataType = "image/png";
-    server.sendHeader(F("Content-Encoding"), F("gzip"));
-    server.send(200, dataType, (const char*)favicon_png_gz, favicon_png_gz_len);
-}
 
 void handleNotFound() {
-  digitalWrite(led, 1);
   String message = "File Not Found\n\n";
   message += "URI: ";
-  message += server.uri();
+  message += httpServer.uri();
   message += "\nMethod: ";
-  message += (server.method() == HTTP_GET) ? "GET" : "POST";
+  message += (httpServer.method() == HTTP_GET) ? "GET" : "POST";
   message += "\nArguments: ";
-  message += server.args();
+  message += httpServer.args();
   message += "\n";
 
-  for (uint8_t i = 0; i < server.args(); i++) {
-    message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
+  for (uint8_t i = 0; i < httpServer.args(); i++) {
+    message += " " + httpServer.argName(i) + ": " + httpServer.arg(i) + "\n";
   }
 
-  server.send(404, "text/plain", message);
-  digitalWrite(led, 0);
-}
-
-
-void setup_webserver() {
-  pinMode(led, OUTPUT);
-  digitalWrite(led, 0);
-  Serial.println("");
-
-  // Wait for connection
-  while (WiFi.status() != WL_CONNECTED) {
-    delay(500);
-    Serial.print(".");
-  }
-
-  Serial.println("");
-  Serial.print("Connected to ");
-  Serial.println(ssid);
-  Serial.print("IP address: ");
-  Serial.println(WiFi.localIP());
-
-  server.on("/", handleRootGz);
-  server.on("/style.css", handleCssGz);
-  server.on("/favicon.png", handleFaviconGz);
-  server.onNotFound(handleNotFound);
-
-  server.begin();
-  Serial.println("HTTP server started");
-}
-
-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
+  httpServer.send(404, "text/plain", message);
 }
 
 void setup() {
+#ifdef WITH_DEBUGGING_ON
   Serial.begin(460800);
   gdbstub_init();
+#else
+  Serial.begin(115200);
+#endif
 
   Serial.println(F("Booting ...."));
 
@@ -188,7 +82,7 @@ void setup() {
   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);
@@ -199,119 +93,34 @@ void setup() {
     ESP.restart();
   }
 
-  os_timer_setfn(&Timer1, timerCallback, &c);
-  os_timer_arm(&Timer1, 1, true);
-
-
-  Serial.println("Ready");
+  Serial.println("");
+  Serial.print("Connected to ");
+  Serial.println(ssid);
   Serial.print("IP address: ");
   Serial.println(WiFi.localIP());
 
-  setup_ota();
-  setup_webserver();
-  setup_pwm_pca9685();
-}
+  ota_setup();
 
-uint32_t t;
-#define SP_US(_str,_a) Serial.print(_str); Serial.print(" took: "); Serial.print(_a); Serial.println("µs")
-#define TIMEIF_US(_str,_f, _l) t=micros(); _f; t=micros()-t; if(t > _l) { SP_US(_str, t); }
+  httpServer.start();
+  httpServer.onNotFound(handleNotFound);
+  Serial.println("HTTP server started !");
 
-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;
+  stairs.setup();
+  Serial.println("PCA9685 connected !");
 
-    if(led != lastled){
-      pwmController.setChannelPWM(led, startval);
-      lastled = led;
-      current_pwm = startval;
-      return 1;
-    }
+  os_timer_setfn(&timer1, timerCallback, &timer_flag);
+  os_timer_arm(&timer1, 20, true);
 
-    if(current_pwm == stopval){
-      return 0;
+  stairs.setState(1);
+  stairs.setDirection(1);
 }
 
-    else if(startval > stopval){
-      current_pwm -= 1;
-    }
-    else {
-      current_pwm += 1;
-    }
-    pwmController.setChannelPWM(led, current_pwm*factor);
-    return 1;
-}
-
-#define LEDCOUNT 16
-
-void ledsequence(uint8_t direction, uint8_t onoff, uint8_t factor){
-  static int8_t led = 0;
-  static uint8_t brightness = 0;
-  static uint8_t lastbrightness = 0;
-  static uint8_t finish = 1;
-  static uint32_t status = 0;
-  uint32_t status_build = 0;
-  status_build |= direction << 16;
-  status_build |= onoff << 8;
-  status_build |= factor;
-  if(status_build != status){                 // check if any parameter changed
-    finish = 0;                               // set state unfinished -> start action
-    if(direction) led = 0;                    // reset led counter depending of direction
-    else          led = LEDCOUNT-1;
-    if(onoff){
-      brightness = 127;           // set brightness value depending of on/off
-      lastbrightness = 0;
-    }     
-    else{
-      brightness = 0;
-      lastbrightness = 127;
-    }          
-    status = status_build;                    // set parameter memory
-    Serial.print("----Status Changed! onoff: ");
-    Serial.print(onoff);
-    Serial.print(" dir: ");
-    Serial.println(direction);
-
-  }
-  if(!finish){                                // finish == 0 -> action pending
-      if(!softstart_led(led,lastbrightness, brightness, factor)){
-        Serial.print("one LED finished, new set led: ");
-        Serial.print(led);
-        Serial.print(" last: ");
-        Serial.print(lastbrightness);
-        Serial.print(" curr: ");
-        Serial.println(brightness);
-        if(direction){
-          led++;
-          if(led >= LEDCOUNT) {
-            finish = 1;
-            //lastbrightness = brightness;
-            }
-        } 
-        else{
-           led--;
-           if(led < 0){
-             //lastbrightness = brightness;
-             finish = 1;
-            }
-        }
-      }
-  }
-}
-
-
 void loop() {
-
-  
-
-  if(millis() - dimmtimer > 2){
-    //ledsequence(direction, onoff, 4);
-    dimmtimer = millis();
+  if(millis() > 25000 && stairs.getState() == 1 && stairs.getDirection() == 1) stairs.setState(0);
+  if(millis() > 45000 && stairs.getDirection() == 1){
+    stairs.setState(1);
+    stairs.setDirection(0);
   }
-  if(millis() > 25000 && onoff == 1 && direction == 1) onoff = 0;
-  if(millis() > 35000 && direction == 1){
-    onoff = 1;
-    direction = 0;    
-  }
-  TIMEIF_US("OTA", ArduinoOTA.handle(), 1000);
-  TIMEIF_US("HTTP", server.handleClient(), 1000);
+  TIMEIF_US(ArduinoOTA.handle(), 1000, "OTA");
+  TIMEIF_US(httpServer.handleClient(), 1000, "HTTP");
 }

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();
+    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.sh

@@ -0,0 +1,6 @@
+#!/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

@@ -8,21 +8,38 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
-[env:esp01_1m]
+[env]
 platform = espressif8266
-board = esp01_1m
+board = nodemcuv2
 framework = arduino
+
+; for http files
+board_build.filesystem = littlefs
+board_build.ldscript = eagle.flash.4m1m.ld
+extra_scripts = pre:create_gz_files.py
+
 monitor_speed = 115200
 
-extra_scripts = pre:extra_script.py
+[env:serial]
+upload_protocol = esptool
+upload_speed = 921600
 
-; stuff for OTA 
-; https://docs.platformio.org/en/latest/platforms/espressif8266.html#over-the-air-ota-update
+[env:ota]
+; OTA => https://docs.platformio.org/en/latest/platforms/espressif8266.html#over-the-air-ota-update
 upload_protocol = espota
 upload_port = <!! IP ADDRESS !!>
 upload_flags =
   --port=8266
+  --host_port=<!! PORT !!>
   --auth=admin
 
-lib_deps =
-  ottowinter/PCA9685 16-Channel PWM Driver Module Library @ 1.2.9
+[env:debug]
+; look at doku.md
+build_flags = -DWITH_DEBUGGING_ON -Os -g3 -ggdb3
+upload_protocol = esptool
+upload_speed = 921600
+
+
+
+
+

test/test_main.cpp

@@ -0,0 +1,40 @@
+#include <Arduino.h>
+#include <unity.h>
+
+String STR_TO_TEST;
+
+void setUp(void) {
+    // set stuff up here
+    STR_TO_TEST = "Hello, world!";
+}
+
+void tearDown(void) {
+    // clean stuff up here
+    STR_TO_TEST = "";
+}
+
+void test_led_builtin_pin_number(void) {
+    TEST_ASSERT_EQUAL(2, LED_BUILTIN);
+}
+
+void test_string_concat(void) {
+    String hello = "Hello, ";
+    String world = "world!";
+    TEST_ASSERT_EQUAL_STRING(STR_TO_TEST.c_str(), (hello + world).c_str());
+}
+
+
+void setup()
+{
+    delay(2000); // service delay
+    UNITY_BEGIN();
+
+    RUN_TEST(test_led_builtin_pin_number);
+    RUN_TEST(test_string_concat);
+
+    UNITY_END(); // stop unit testing
+}
+
+void loop()
+{
+}

webtest.cmd

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

webtest.sh

@@ -0,0 +1,2 @@
+cd data
+python3 -m http.server