Implemented motion sensor settings

Moved all settings to JSON storage

API.md

@@ -10,6 +10,8 @@
 - [POST /api/steps](#post-apisteps)
 - [GET /api/triggers/time](#get-apitriggerstime)
 - [POST /api/triggers/time](#post-apitriggerstime)
+- [GET /api/triggers/motion](#get-apitriggersmotion)
+- [POST /api/triggers/motion](#post-apitriggersmotion)
 - [POST /api/firmware](#post-apifirmware)
 
 ## GET /api/version
@@ -203,6 +205,56 @@ enabled: whether or not this trigger is enabled
 
 Changes the time trigger settings. Request body format is the same as is returned in the GET request.
 
+
+## GET /api/triggers/motion
+
+Returns the current settings for the motion triggers.
+
+delay: How long to keep the lights on after the last sensor stops detecting motion.
+
+pin: GPIO pin to which the motion sensor is connected. High is assumed to be active.
+
+direction:
+Enumeration determining from which side the sweep animation starts if transitionTime is set.
+
+| value | description |
+| ----- | --- |
+| 1 | Non-directional. All steps change brightness at the same time. |
+| 2 | Top-down. Starts a sweeping fade from the top step. |
+| 3 | Bottom-up. Starts a sweeping fade from the bottom step. |
+
+brightness: value from 0 to 255
+
+enabled: whether or not this trigger is enabled
+
+*Example response:*
+```json
+{
+  "enabled": true,
+  "enabledDuringTimeTrigger": true,
+  "transitionTime": 1000,
+  "delay": 30000,
+  "triggers": [
+    {
+       "pin": 14,
+       "brightness": 64,
+       "direction": 2,
+       "enabled": true
+    },
+    {
+       "pin": 15,
+       "brightness": 64,
+       "direction": 3,
+       "enabled": true
+    }
+  ]
+}
+```
+
+## POST /api/triggers/motion
+
+Changes the motion trigger settings. Request body format is the same as is returned in the GET request.
+
 ## POST /api/firmware
 
 Uploads new firmware. The bin file should be posted as a multipart/form-data file attachment. Name is not relevant.

src/ESP8266HTTPClient-h4xx0red.cpp

@@ -45,7 +45,7 @@
 #include <StreamString.h>
 #include <base64.h>
 
-#include "ESP8266HTTPClient-h4xx0red.h"
+#include "./ESP8266HTTPClient-h4xx0red.h"
 
 class TransportTraits
 {

src/assets/version.h

@@ -4,10 +4,10 @@
 const uint8_t VersionMajor = 2;
 const uint8_t VersionMinor = 0;
 const uint8_t VersionPatch = 0;
-const uint8_t VersionMetadata = 17;
+const uint8_t VersionMetadata = 18;
 const char VersionBranch[] = "release/2.0";
 const char VersionSemVer[] = "2.0.0-beta.1";
-const char VersionFullSemVer[] = "2.0.0-beta.1+17";
+const char VersionFullSemVer[] = "2.0.0-beta.1+18";
 const char VersionCommitDate[] = "2018-01-14";
 
 #endif

src/charproperties.cpp

@@ -4,12 +4,12 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "charproperties.h"
+#include "./charproperties.h"
 #include <cstddef>
 #include <string.h>
-#include "debug.h"
+#include "./debug.h"
 
-void CharProperties::assignChar(char** field, const char* newValue)
+void assignChar(char** field, const char* newValue)
 {
   if (*field != nullptr)
     delete *field;

src/charproperties.h

@@ -9,10 +9,6 @@
 
 #include <stdint.h>
 
-class CharProperties
+void assignChar(char** field, const char* newValue);
-{
-  protected:
-    void assignChar(char** field, const char* newValue);
-};
 
 #endif

src/components/PCA9685.cpp

@@ -3,7 +3,7 @@
  * Copyright 2017 (c) Mark van Renswoude
 */
 #include <stdint.h>
-#include "PCA9685.h"
+#include "./PCA9685.h"
 #include <Wire.h>
 
 #include <Arduino.h>

src/config.h

@@ -14,8 +14,9 @@ static const uint32_t SerialDebugStartupDelay = 2000;
 
 static const char* ConnectionSettingsFile = "/connection.json";
 static const char* SystemSettingsFile = "/system.json";
-static const char* StepSettingsFile = "/stepsettings.dat";
+static const char* StepsSettingsFile = "/steps.json";
-static const char* TimeTriggerSettingsFile = "/timetriggersettings.dat";
+static const char* TimeTriggerSettingsFile = "/timetriggers.json";
+static const char* MotionTriggerSettingsFile = "/motiontriggers.json";
 
 
 static const char* DefaultAPSSIDPrefix = "Stairs-";

src/debug.cpp

@@ -4,7 +4,7 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "debug.h"
+#include "./debug.h"
 
 
 void _dinit()

src/debug.h

@@ -7,7 +7,7 @@
 #ifndef __serialdebug
 #define __serialdebug
 
-#include "config.h"
+#include "./config.h"
 #include <Arduino.h>
 
 void _dinit();

src/global.cpp

@@ -4,7 +4,7 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "global.h"
+#include "./global.h"
 
 ConnectionSettings* connectionSettings = new ConnectionSettings();
 bool connectionSettingsChanged = false;
@@ -18,6 +18,9 @@ bool stepsSettingsChanged = false;
 TimeTriggerSettings* timeTriggerSettings = new TimeTriggerSettings();
 bool timeTriggerSettingsChanged = false;
 
+MotionTriggerSettings* motionTriggerSettings = new MotionTriggerSettings();
+bool motionTriggerSettingsChanged = false;
+
 
 Stairs* stairs;
 

src/global.h

@@ -10,11 +10,12 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <IPAddress.h>
-#include "settings/connection.h"
+#include "./settings/connection.h"
-#include "settings/system.h"
+#include "./settings/system.h"
-#include "settings/steps.h"
+#include "./settings/steps.h"
-#include "settings/triggers/time.h"
+#include "./settings/triggers/time.h"
-#include "stairs.h"
+#include "./settings/triggers/motion.h"
+#include "./stairs.h"
 
 extern ConnectionSettings* connectionSettings;
 extern bool connectionSettingsChanged;
@@ -28,6 +29,9 @@ extern bool stepsSettingsChanged;
 extern TimeTriggerSettings* timeTriggerSettings;
 extern bool timeTriggerSettingsChanged;
 
+extern MotionTriggerSettings* motionTriggerSettings;
+extern bool motionTriggerSettingsChanged;
+
 
 extern Stairs* stairs;
 

src/main.cpp

@@ -16,29 +16,28 @@ extern "C" {
   #include <user_interface.h>
 }
 
-#include "config.h"
+#include "./config.h"
-#include "debug.h"
+#include "./debug.h"
-#include "global.h"
+#include "./global.h"
-#include "components/PCA9685.h"
+#include "./components/PCA9685.h"
-#include "settings/connection.h"
+#include "./settings/connection.h"
-#include "server/static.h"
+#include "./server/static.h"
-#include "server/settings.h"
+#include "./server/settings.h"
-#include "server/firmware.h"
+#include "./server/firmware.h"
-#include "server/api.h"
+#include "./server/api.h"
 
 
 ADC_MODE(ADC_VCC);
 
 // Forward declarations
 void initWiFi();
+void initMotionPins();
 #ifdef SerialDebug
 void wifiEvent(WiFiEvent_t event);
 void updateDebugStatus();
 #endif
 void updateLED();
 void updateNTPClient();
-
-void updateTimeTrigger();
 void checkTriggers();
 
 void handleNotFound(AsyncWebServerRequest* request);
@@ -73,10 +72,12 @@ void setup()
   systemSettings->read();
   stepsSettings->read();
   timeTriggerSettings->read();
+  motionTriggerSettings->read();
 
   pinMode(systemSettings->pinAPButton(), INPUT_PULLUP);
   pinMode(systemSettings->pinLEDAP(), OUTPUT);
   pinMode(systemSettings->pinLEDSTA(), OUTPUT);
+  initMotionPins();
 
 
   _dln("Setup :: initializing PCA9685");
@@ -142,6 +143,12 @@ void loop()
     ESP.restart();
   }
 
+  if (motionTriggerSettingsChanged)
+  {
+    initMotionPins();
+    motionTriggerSettingsChanged = false;
+  }
+
   currentTime = millis();
 
 
@@ -191,12 +198,7 @@ void loop()
 
   updateLED();
   updateNTPClient();
-
+  checkTriggers();
-  if (timeTriggerSettings->enabled() /*|| motionTriggerEnabled*/)
-  {
-    updateTimeTrigger();
-    checkTriggers();
-  }
 
   stairs->tick();
 }
@@ -253,6 +255,20 @@ void initWiFi()
 }
 
 
+void initMotionPins()
+{
+  if (!motionTriggerSettings->enabled())
+    return;
+
+  for (uint8_t i = 0; i < motionTriggerSettings->triggerCount(); i++)
+  {
+    MotionTrigger* trigger = motionTriggerSettings->trigger(i);
+    if (trigger->enabled)
+      pinMode(trigger->pin, INPUT);
+  }
+}
+
+
 #ifdef SerialDebug
 void wifiEvent(WiFiEvent_t event)
 {
@@ -403,10 +419,20 @@ TimeTrigger* activeTimeTrigger = nullptr;
 void updateTimeTrigger()
 {
   if (ntpClient == nullptr || !timeTriggerSettings->enabled())
+  {
+    activeTimeTrigger = nullptr;
+    return;
+  }
+
+  if (timeTriggerSettingsChanged)
+  {
+    // Time trigger settings changed, activeTimeTrigger pointer is considered
+    // invalid, force recheck
+    timeTriggerSettingsChanged = false;
+  }
+  else if (currentTime - lastTimeTriggerChecked < 10000)
     return;
 
-  if (currentTime - lastTimeTriggerChecked < 10000)
-    return;
 
   lastTimeTriggerChecked = currentTime;
   _dln("Triggers:: updating time trigger");
@@ -414,11 +440,12 @@ void updateTimeTrigger()
   uint32_t epochTime = ntpClient->getEpochTime();
   if (epochTime == 0)
   {
+    activeTimeTrigger = nullptr;
     _dln("Triggers:: time not synchronised yet");
     return;
   }
 
-  // TODO compensate for UTC
+  // TODO apply timezone offset
 
   tmElements_t time;
   breakTime(epochTime, time);
@@ -435,21 +462,59 @@ void updateTimeTrigger()
 }
 
 
+uint32_t activeMotionStart = 0;
+uint16_t activeMotionBrightness = 0;
+MotionDirection activeMotionDirection = Nondirectional;
+bool lastMotion = false;
+
+
+void updateMotionTrigger()
+{
+  if (!motionTriggerSettings->enabled() || !motionTriggerSettings->triggerCount())
+  {
+    activeMotionStart = 0;
+    return;
+  }
+
+  for (uint8_t i = 0; i < motionTriggerSettings->triggerCount(); i++)
+  {
+    MotionTrigger* trigger = motionTriggerSettings->trigger(i);
+
+    if (trigger->enabled && digitalRead(trigger->pin) == HIGH)
+    {
+      if (activeMotionStart == 0)
+      {
+        activeMotionDirection = trigger->direction;
+        activeMotionBrightness = trigger->brightness;
+      }
+
+      activeMotionStart = currentTime;
+    }
+  }
+
+  if (currentTime - activeMotionStart >= motionTriggerSettings->delay())
+    activeMotionStart = 0;
+}
+
+
 void checkTriggers()
 {
+  if (!timeTriggerSettings->enabled() && activeTimeTrigger == nullptr &&
+      !motionTriggerSettings->enabled() && activeMotionStart == 0)
+    return;
+
+  updateTimeTrigger();
+  updateMotionTrigger();
+
   bool inTimeTrigger = timeTriggerSettings->enabled() &&
                        activeTimeTrigger != nullptr &&
                        activeTimeTrigger->brightness;
   bool timeTriggerChanged = activeTimeTrigger != lastTimeTrigger;
   lastTimeTrigger = activeTimeTrigger;
 
-  // TODO motion sensor settings
+  bool inMotionTrigger = (activeMotionStart > 0) && (!inTimeTrigger || motionTriggerSettings->enabledDuringTimeTrigger());
-  bool inMotionTrigger = false; // && (alsoDuringTimeTrigger || !inTimeTrigger)
+  bool motionChanged = (activeMotionStart > 0) != lastMotion;
-  bool motionChanged = false;
+  lastMotion = (activeMotionStart > 0);
-
-  // TODO dummies, replace these with motionSettings-> values later on
-  uint16_t motionBrightness = 0;
-  uint16_t motionTransitionTime = 0;
 
 
   if (!motionChanged && !timeTriggerChanged)
@@ -462,20 +527,26 @@ void checkTriggers()
     {
       _dln("Triggers :: start motion trigger");
 
-      // Start sweep
+      if (activeMotionDirection == Nondirectional || motionTriggerSettings->transitionTime() == 0)
-      bool sweepDown = true;
-      uint8_t stepsCount = stepsSettings->count();
-      uint16_t offset = sweepDown ? 0 : motionTransitionTime;
-      uint16_t offsetIncrement = stepsCount > 0 ? motionTransitionTime / stepsCount : 0;
-
-      for (uint8_t step = 0; step < stepsCount; step++)
       {
-        stairs->set(step, motionBrightness, motionTransitionTime, offset);
+        stairs->setAll(activeMotionBrightness, motionTriggerSettings->transitionTime(), 0);
+      }
+      else
+      {
+        // Start sweep
+        uint8_t stepsCount = stepsSettings->count();
+        uint16_t offsetIncrement = stepsCount > 0 ? (motionTriggerSettings->transitionTime() / stepsCount) * 1.5 : 0;
+        uint16_t offset = activeMotionDirection == TopDown ? 0 : (stepsCount - 1) * offsetIncrement;
 
-        if (sweepDown)
+        for (uint8_t step = 0; step < stepsCount; step++)
-          offset += offsetIncrement;
+        {
-        else
+          stairs->set(step, activeMotionBrightness, motionTriggerSettings->transitionTime(), offset);
-          offset -= offsetIncrement;
+
+          if (activeMotionDirection == TopDown)
+            offset += offsetIncrement;
+          else
+            offset -= offsetIncrement;
+        }
       }
     }
     else
@@ -485,14 +556,14 @@ void checkTriggers()
         _dln("Triggers :: motion stopped, falling back to time trigger");
 
         // Fall back to time trigger value
-        stairs->setAll(activeTimeTrigger->brightness, motionTransitionTime, 0);
+        stairs->setAll(activeTimeTrigger->brightness, motionTriggerSettings->transitionTime(), 0);
       }
       else
       {
         _dln("Triggers :: motion stopped, turning off");
 
         // No more motion, no active time trigger, turn off
-        stairs->setAll(0, motionTransitionTime, 0);
+        stairs->setAll(0, motionTriggerSettings->transitionTime(), 0);
       }
     }
   }

src/praisethesun.cpp

@@ -7,7 +7,7 @@
  * This code was ported over from Domoticz' SunRiseSet.cpp
  * https://github.com/domoticz/domoticz/
 */
-#include "praisethesun.h"
+#include "./praisethesun.h"
 #include <math.h>
 
 

src/server/api.cpp

@@ -4,11 +4,11 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "api.h"
+#include "./api.h"
 #include <ArduinoJson.h>
 #include <IPAddress.h>
 #include <ESP8266WiFi.h>
-#include "shared.h"
+#include "./shared.h"
 #include "../assets/version.h"
 #include "../debug.h"
 #include "../global.h"
@@ -69,30 +69,8 @@ void handleGetTimeTriggers(AsyncWebServerRequest *request)
 {
   _dln("API :: get time triggers");
 
-  uint8_t count = timeTriggerSettings->triggerCount();
-
-  DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(count) + JSON_OBJECT_SIZE(3) + count*JSON_OBJECT_SIZE(5));
-  JsonObject& root = jsonBuffer.createObject();
-  root["enabled"] = timeTriggerSettings->enabled();
-  root["transitionTime"] = timeTriggerSettings->transitionTime();
-
-  JsonArray& jsonTriggers = root.createNestedArray("triggers");
-
-  for (uint8_t i = 0; i < count; i++)
-  {
-    TimeTrigger* trigger = timeTriggerSettings->trigger(i);
-
-    JsonObject& jsonTrigger = jsonTriggers.createNestedObject();
-    jsonTrigger["time"] = trigger->time;
-    jsonTrigger["daysOfWeek"] = trigger->daysOfWeek;
-    jsonTrigger["brightness"] = trigger->brightness;
-    jsonTrigger["triggerType"] = (uint8_t)trigger->triggerType;
-    jsonTrigger["enabled"] = trigger->enabled;
-  }
-
   AsyncResponseStream *response = request->beginResponseStream("application/json");
-  root.printTo(*response);
+  timeTriggerSettings->toJson(*response);
-
   request->send(response);
 }
 
@@ -101,44 +79,47 @@ void handlePostTimeTriggers(AsyncWebServerRequest *request, uint8_t *data, size_
 {
   _dln("API :: post time triggers");
 
-  DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(10) + JSON_OBJECT_SIZE(3) + 10*JSON_OBJECT_SIZE(5) + 510);
+  bool changed;
-  JsonObject& root = jsonBuffer.parseObject((char*)data);
+  if (timeTriggerSettings->fromJson((char*)data, &changed))
-  if (!root.success())
   {
+    timeTriggerSettings->write();
+
+    if (changed)
+      timeTriggerSettingsChanged = true;
+
+    request->send(200);
+  }
+  else
     request->send(400);
-    return;
+}
-  }
 
-  JsonArray& jsonTriggers = root["triggers"];
+
-  if (jsonTriggers.size() > 255)
+void handleGetMotionTriggers(AsyncWebServerRequest *request)
+{
+  _dln("API :: get motion triggers");
+
+  AsyncResponseStream *response = request->beginResponseStream("application/json");
+  motionTriggerSettings->toJson(*response);
+  request->send(response);
+}
+
+
+void handlePostMotionTriggers(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total)
+{
+  _dln("API :: post motion triggers");
+
+  bool changed;
+  if (motionTriggerSettings->fromJson((char*)data, &changed))
   {
+    motionTriggerSettings->write();
+
+    if (changed)
+      motionTriggerSettingsChanged = true;
+
+    request->send(200);
+  }
+  else
     request->send(400);
-    return;
-  }
-
-  timeTriggerSettings->enabled(root["enabled"]);
-  timeTriggerSettings->transitionTime(root["transitionTime"]);
-  timeTriggerSettings->beginSetTriggers(jsonTriggers.size());
-
-  TimeTrigger trigger;
-  for (uint8_t i = 0; i < jsonTriggers.size(); i++)
-  {
-    JsonObject& jsonTrigger = jsonTriggers[i];
-
-    trigger.time = jsonTrigger["time"];
-    trigger.daysOfWeek = jsonTrigger["daysOfWeek"];
-    trigger.brightness = jsonTrigger["brightness"];
-    trigger.triggerType = (TimeTriggerType)(uint8_t)jsonTrigger["triggerType"];
-    trigger.enabled = jsonTrigger["enabled"];
-
-    timeTriggerSettings->setTrigger(i, &trigger);
-  }
-
-  timeTriggerSettings->endSetTriggers();
-  timeTriggerSettings->write();
-  timeTriggerSettingsChanged = true;
-
-  request->send(200);
 }
 
 
@@ -149,4 +130,7 @@ void registerAPIRoutes(AsyncWebServer* server)
 
   server->on("/api/triggers/time", HTTP_GET, handleGetTimeTriggers);
   server->on("/api/triggers/time", HTTP_POST, devNullRequest, devNullFileUpload, handlePostTimeTriggers);
+
+  server->on("/api/triggers/motion", HTTP_GET, handleGetMotionTriggers);
+  server->on("/api/triggers/motion", HTTP_POST, devNullRequest, devNullFileUpload, handlePostMotionTriggers);
 }

src/server/firmware.cpp

@@ -4,7 +4,7 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "firmware.h"
+#include "./firmware.h"
 #include "../config.h"
 #include "../debug.h"
 #include "../global.h"

src/server/settings.cpp

@@ -4,11 +4,11 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "settings.h"
+#include "./settings.h"
 #include <ArduinoJson.h>
 #include <IPAddress.h>
 #include <ESP8266WiFi.h>
-#include "shared.h"
+#include "./shared.h"
 #include "../assets/version.h"
 #include "../debug.h"
 #include "../global.h"

src/server/shared.cpp

@@ -4,7 +4,7 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "shared.h"
+#include "./shared.h"
 
 void devNullRequest(AsyncWebServerRequest *request) {}
 void devNullFileUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) {}

src/server/static.cpp

@@ -4,7 +4,7 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "static.h"
+#include "./static.h"
 #include "../debug.h"
 #include "../assets/html.h"
 #include "../assets/js.h"

src/settings/abstractjson.cpp

@@ -0,0 +1,70 @@
+/*
+ * Stairs
+ * Copyright 2017 (c) Mark van Renswoude
+ *
+ * https://git.x2software.net/pub/Stairs
+*/
+#include "./abstractjson.h"
+#include <FS.h>
+
+
+void AbstractJsonSettings::read()
+{
+  _d(getDebugPrefix()); _dln(" :: opening file");
+  File settingsFile = SPIFFS.open(getFilename(), "r");
+  if (!settingsFile)
+  {
+    _d(getDebugPrefix()); _dln(" :: failed to open file");
+    return;
+  }
+
+  size_t size = settingsFile.size();
+  if (size > 1024)
+  {
+    _d(getDebugPrefix()); _dln(" :: file size is too large");
+    return;
+  }
+
+  if (size == 0)
+  {
+    _d(getDebugPrefix()); _dln(" :: zero size file");
+    return;
+  }
+
+  std::unique_ptr<char[]> buf(new char[size]);
+  settingsFile.readBytes(buf.get(), size);
+
+  _dln(buf.get());
+
+  if (fromJson(buf.get()))
+  {
+    _d(getDebugPrefix());
+    _dln(" :: read from file");
+  }
+  else
+  {
+    _d(getDebugPrefix());
+    _dln(" :: failed to parse file");
+  }
+}
+
+
+void AbstractJsonSettings::write()
+{
+  _d(getDebugPrefix()); _dln(" :: opening file for writing");
+  File settingsFile = SPIFFS.open(getFilename(), "w");
+  if (!settingsFile)
+  {
+    _d(getDebugPrefix()); _dln(" :: failed to open file for writing");
+    return;
+  }
+
+  toJson(settingsFile);
+  _d(getDebugPrefix()); _dln(" :: written to file");
+}
+
+
+bool AbstractJsonSettings::fromJson(char* data)
+{
+  return fromJson(data, nullptr);
+}

src/settings/abstractjson.h

@@ -0,0 +1,28 @@
+/*
+ * Stairs
+ * Copyright 2017 (c) Mark van Renswoude
+ *
+ * https://git.x2software.net/pub/Stairs
+*/
+#ifndef __settingsjson
+#define __settingsjson
+
+#include "../debug.h"
+
+class AbstractJsonSettings
+{
+  protected:
+    virtual const char* getFilename() = 0;
+    virtual const char* getDebugPrefix() = 0;
+
+  public:
+    void read();
+    void write();
+
+    virtual void toJson(Print &print) = 0;
+    virtual bool fromJson(char* data, bool* changed) = 0;
+
+    bool fromJson(char* data);
+};
+
+#endif

src/settings/connection.cpp

@@ -4,65 +4,15 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "connection.h"
+#include "./connection.h"
 #include <ArduinoJson.h>
-#include <FS.h>
+#include "./abstractjson.h"
 #include "../debug.h"
-#include "../global.h"
 #include "../config.h"
+#include "../global.h"
 
 
 
-void ConnectionSettings::read()
-{
-  _dln("ConnectionSettings :: opening file");
-  File settingsFile = SPIFFS.open(ConnectionSettingsFile, "r");
-  if (!settingsFile)
-  {
-    _dln("ConnectionSettings :: failed to open file");
-    return;
-  }
-
-  size_t size = settingsFile.size();
-  if (size > 1024)
-  {
-    _dln("ConnectionSettings :: file size is too large");
-    return;
-  }
-
-  if (size == 0)
-  {
-    _dln("ConnectionSettings :: zero size file");
-    return;
-  }
-
-  std::unique_ptr<char[]> buf(new char[size]);
-  settingsFile.readBytes(buf.get(), size);
-
-  _dln(buf.get());
-
-  if (fromJson(buf.get()))
-    _dln("ConnectionSettings :: read from file");
-  else
-    _dln("ConnectionSettings :: failed to parse file");
-}
-
-
-void ConnectionSettings::write()
-{
-  _dln("ConnectionSettings :: opening file for writing");
-  File settingsFile = SPIFFS.open(ConnectionSettingsFile, "w");
-  if (!settingsFile)
-  {
-    _dln("ConnectionSettings:: failed to open file for writing");
-    return;
-  }
-
-  toJson(settingsFile);
-  _dln("ConnectionSettings:: written to file");
-}
-
-
 void ConnectionSettings::toJson(Print &print)
 {
   DynamicJsonBuffer jsonBuffer(JSON_OBJECT_SIZE(9));
@@ -82,12 +32,6 @@ void ConnectionSettings::toJson(Print &print)
 }
 
 
-bool ConnectionSettings::fromJson(char* data)
-{
-  return fromJson(data, nullptr);
-}
-
-
 bool ConnectionSettings::fromJson(char* data, bool* changed)
 {
   if (changed != nullptr)

src/settings/connection.h

@@ -10,7 +10,9 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <IPAddress.h>
+#include "./abstractjson.h"
 #include "../charproperties.h"
+#include "../config.h"
 
 
 enum ConnectionSettingsFlags
@@ -21,7 +23,7 @@ enum ConnectionSettingsFlags
 };
 
 
-class ConnectionSettings : CharProperties
+class ConnectionSettings : public AbstractJsonSettings
 {
   private:
     char* mHostname = nullptr;
@@ -32,13 +34,12 @@ class ConnectionSettings : CharProperties
     IPAddress mSubnetMask = (uint32_t)0;
     IPAddress mGateway = (uint32_t)0;
 
+  protected:
+    virtual const char* getFilename() { return ConnectionSettingsFile; };
+    virtual const char* getDebugPrefix() { return "ConnectionSettings"; };
+
   public:
-    void read();
-    void write();
-
-
     void toJson(Print &print);
-    bool fromJson(char* data);
     bool fromJson(char* data, bool* changed);
 
 

src/settings/steps.cpp

@@ -4,20 +4,11 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "steps.h"
+#include "./steps.h"
-#include <FS.h>
+#include <ArduinoJson.h>
 #include "../debug.h"
 
 
-struct Header
-{
-  uint8_t version;
-  uint8_t stepCount;
-  bool useCurve;
-};
-
-
-
 StepsSettings::StepsSettings()
 {
   for (uint8_t i = 0; i < MaxStepCount; i++)
@@ -25,41 +16,63 @@ StepsSettings::StepsSettings()
 }
 
 
-void StepsSettings::read()
+void StepsSettings::toJson(Print &print)
 {
-  _dln("StepsSettings :: Loading step settings");
+  DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(16) + JSON_OBJECT_SIZE(3));
-  File f = SPIFFS.open(StepSettingsFile, "r");
-  if (!f)
-    return;
 
-  if (!f.available())
+  JsonObject& root = jsonBuffer.createObject();
-    return;
+  root["count"] = count();
+  root["useCurve"] = useCurve();
 
-  Header header;
+  JsonArray& jsonCurveShift = root.createNestedArray("curveShift");
-  f.readBytes((char*)&header, sizeof(Header));
+  for (uint8_t step = 0; step < MaxStepCount; step++)
+    jsonCurveShift.add(curveShift(step));
 
-  if (header.version != 1)
+  root.printTo(print);
-    return;
-
-  mUseCurve = (header.useCurve == 1);
-  f.readBytes((char*)&mCurveShift, header.stepCount * sizeof(uint16_t));
-  f.close();
 }
 
 
-void StepsSettings::write()
+bool StepsSettings::fromJson(char* data, bool* changed)
 {
-  _dln("StepsSettings :: Saving step settings");
+  if (changed != nullptr)
-  File f = SPIFFS.open(StepSettingsFile, "w");
+    *changed = false;
-  if (!f)
-    return;
 
-  Header header;
+  DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(16) + JSON_OBJECT_SIZE(3) + 80);
-  header.version = 1;
+  JsonObject& root = jsonBuffer.parseObject(data);
-  header.useCurve = mUseCurve;
-  header.stepCount = mCount;
 
-  f.write((uint8_t*)&header, sizeof(Header));
+  if (!root.success())
-  f.write((uint8_t*)&mCurveShift, header.stepCount * sizeof(uint16_t));
+    return false;
-  f.close();
+
+  uint8_t jsonCount = root["count"];
+  bool jsonUseCurve = root["useCurve"];
+
+  if (jsonCount != count() ||
+      jsonUseCurve != useCurve())
+  {
+    count(jsonCount);
+    useCurve(jsonUseCurve);
+
+    if (changed != nullptr)
+      *changed = true;
+  }
+
+
+  JsonArray& jsonCurveShift = root["curveShift"];
+  uint8_t stepCount = jsonCurveShift.size();
+  if (stepCount >= MaxStepCount)
+    stepCount = MaxStepCount - 1;
+
+  for (uint8_t step = 0; step < stepCount; step++)
+  {
+    uint16_t value = jsonCurveShift[step];
+
+    if (value != curveShift(step))
+    {
+      curveShift(step, value);
+      if (changed != nullptr)
+        *changed = true;
+    }
+  }
+
+  return true;
 }

src/settings/steps.h

@@ -8,22 +8,29 @@
 #define __settingssteps
 
 #include <stdint.h>
+#include "./abstractjson.h"
+#include "../config.h"
 
 #define MaxStepCount 16
 
 
-class StepsSettings
+class StepsSettings : public AbstractJsonSettings
 {
   private:
-    uint8_t mCount = 16;
+    uint8_t mCount = MaxStepCount;
     bool mUseCurve = true;
     uint16_t mCurveShift[MaxStepCount];
 
+  protected:
+    virtual const char* getFilename() { return StepsSettingsFile; };
+    virtual const char* getDebugPrefix() { return "StepsSettings"; };
+
   public:
     StepsSettings();
 
-    void read();
+    void toJson(Print &print);
-    void write();
+    bool fromJson(char* data, bool* changed);
+
 
     uint8_t count() { return mCount; }
     void count(uint8_t value) { mCount = value; }

src/settings/system.cpp

@@ -4,7 +4,7 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "system.h"
+#include "./system.h"
 #include <ArduinoJson.h>
 #include <FS.h>
 #include "../debug.h"
@@ -13,56 +13,6 @@
 
 
 
-void SystemSettings::read()
-{
-  _dln("SystemSettings :: opening file");
-  File settingsFile = SPIFFS.open(SystemSettingsFile, "r");
-  if (!settingsFile)
-  {
-    _dln("SystemSettings :: failed to open file");
-    return;
-  }
-
-  size_t size = settingsFile.size();
-  if (size > 1024)
-  {
-    _dln("SystemSettings :: file size is too large");
-    return;
-  }
-
-  if (size == 0)
-  {
-    _dln("SystemSettings :: zero size file");
-    return;
-  }
-
-  std::unique_ptr<char[]> buf(new char[size]);
-  settingsFile.readBytes(buf.get(), size);
-
-  _dln(buf.get());
-
-  if (fromJson(buf.get()))
-    _dln("SystemSettings :: read from file");
-  else
-    _dln("SystemSettings :: failed to parse file");
-}
-
-
-void SystemSettings::write()
-{
-  _dln("SystemSettings :: opening file for writing");
-  File settingsFile = SPIFFS.open(SystemSettingsFile, "w");
-  if (!settingsFile)
-  {
-    _dln("SystemSettings:: failed to open file for writing");
-    return;
-  }
-
-  toJson(settingsFile);
-  _dln("SystemSettings:: written to file");
-}
-
-
 void SystemSettings::toJson(Print &print)
 {
   DynamicJsonBuffer jsonBuffer(JSON_OBJECT_SIZE(6) + JSON_OBJECT_SIZE(5));
@@ -87,11 +37,6 @@ void SystemSettings::toJson(Print &print)
 }
 
 
-bool SystemSettings::fromJson(char* data)
-{
-  return fromJson(data, nullptr);
-}
-
 bool SystemSettings::fromJson(char* data, bool* changed)
 {
   if (changed != nullptr)

src/settings/system.h

@@ -11,9 +11,10 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include "../charproperties.h"
+#include "./abstractjson.h"
 
 
-class SystemSettings : CharProperties
+class SystemSettings : public AbstractJsonSettings
 {
   private:
     double mLatitude = 0;
@@ -34,13 +35,12 @@ class SystemSettings : CharProperties
     // TODO loginUsername
     // TODO loginPassword
 
+  protected:
+    virtual const char* getFilename() { return SystemSettingsFile; };
+    virtual const char* getDebugPrefix() { return "SystemSettings"; };
+
   public:
-    void read();
-    void write();
-
-
     void toJson(Print &print);
-    bool fromJson(char* data);
     bool fromJson(char* data, bool* changed);
 
 

src/settings/triggers/motion.cpp

@@ -0,0 +1,81 @@
+/*
+ * Stairs
+ * Copyright 2017 (c) Mark van Renswoude
+ *
+ * https://git.x2software.net/pub/Stairs
+*/
+#include "./motion.h"
+#include <string.h>
+#include <ArduinoJson.h>
+#include "../../debug.h"
+#include "../../global.h"
+
+
+void MotionTriggerSettings::toJson(Print &print)
+{
+  DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(2) + 2*JSON_OBJECT_SIZE(4) + JSON_OBJECT_SIZE(5));
+
+  JsonObject& root = jsonBuffer.createObject();
+  root["enabled"] = enabled();
+  root["enabledDuringTimeTrigger"] = enabledDuringTimeTrigger();
+  root["transitionTime"] = transitionTime();
+  root["delay"] = delay();
+
+  JsonArray& jsonTriggers = root.createNestedArray("triggers");
+
+  for (uint8_t i = 0; i < triggerCount(); i++)
+  {
+    MotionTrigger* triggerItem = trigger(i);
+
+    JsonObject& jsonTrigger = jsonTriggers.createNestedObject();
+    jsonTrigger["pin"] = triggerItem->pin;
+    jsonTrigger["brightness"] = triggerItem->brightness;
+    jsonTrigger["direction"] = (uint8_t)triggerItem->direction;
+    jsonTrigger["enabled"] = triggerItem->enabled;
+  }
+
+  root.printTo(print);
+}
+
+
+bool MotionTriggerSettings::fromJson(char* data, bool* changed)
+{
+  if (changed != nullptr)
+    *changed = false;
+
+  DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(2) + 2*JSON_OBJECT_SIZE(4) + JSON_OBJECT_SIZE(5) + 200);
+  JsonObject& root = jsonBuffer.parseObject(data);
+
+  if (!root.success())
+    return false;
+
+
+  enabled(root["enabled"]);
+  enabledDuringTimeTrigger(root["enabledDuringTimeTrigger"]);
+  transitionTime(root["transitionTime"]);
+  delay(root["delay"]);
+
+  JsonArray& jsonTriggers = root["triggers"];
+  if (mTriggers != nullptr)
+    delete [] mTriggers;
+
+  mTriggerCount = jsonTriggers.size();
+  mTriggers = new MotionTrigger[mTriggerCount];
+
+
+  for (uint8_t i = 0; i < mTriggerCount; i++)
+  {
+    JsonObject& jsonTrigger = jsonTriggers[i];
+    MotionTrigger* trigger = &mTriggers[i];
+
+    trigger->pin = jsonTrigger["pin"];
+    trigger->brightness = jsonTrigger["brightness"];
+    trigger->direction = (MotionDirection)(uint8_t)jsonTrigger["direction"];
+    trigger->enabled = jsonTrigger["enabled"];
+  }
+
+  if (changed != nullptr)
+    *changed = true;
+
+  return true;
+}

src/settings/triggers/motion.h

@@ -0,0 +1,67 @@
+/*
+ * Stairs
+ * Copyright 2017 (c) Mark van Renswoude
+ *
+ * https://git.x2software.net/pub/Stairs
+*/
+#ifndef __settingstriggersmotion
+#define __settingstriggersmotion
+
+#include <Arduino.h>
+#include "../../config.h"
+#include "../abstractjson.h"
+
+
+enum MotionDirection
+{
+  Nondirectional = 1,
+  TopDown = 2,
+  BottomUp = 3
+};
+
+
+struct MotionTrigger
+{
+  uint8_t pin;
+  uint8_t brightness;
+  MotionDirection direction;
+  bool enabled;
+};
+
+
+class MotionTriggerSettings : public AbstractJsonSettings
+{
+  private:
+    bool mEnabled = false;
+    bool mEnabledDuringTimeTrigger = false;
+    uint16_t mTransitionTime = 0;
+    uint32_t mDelay = 0;
+    uint8_t mTriggerCount = 0;
+    MotionTrigger* mTriggers = nullptr;
+
+  protected:
+    virtual const char* getFilename() { return MotionTriggerSettingsFile; };
+    virtual const char* getDebugPrefix() { return "MotionTriggerSettings"; };
+
+  public:
+    void toJson(Print &print);
+    bool fromJson(char* data, bool* changed);
+
+
+    bool enabled() { return mEnabled; }
+    void enabled(bool value) { mEnabled = value; }
+
+    bool enabledDuringTimeTrigger() { return mEnabledDuringTimeTrigger; }
+    void enabledDuringTimeTrigger(bool value) { mEnabledDuringTimeTrigger = value; }
+
+    uint16_t transitionTime() { return mTransitionTime; }
+    void transitionTime(uint16_t value) { mTransitionTime = value; }
+
+    uint32_t delay() { return mDelay; }
+    void delay(uint32_t value) { mDelay = value; }
+
+    uint8_t triggerCount() { return mTriggerCount; }
+    MotionTrigger* trigger(uint8_t index) { return &mTriggers[index]; }
+};
+
+#endif

src/settings/triggers/time.cpp

@@ -4,9 +4,9 @@
  *
  * https://git.x2software.net/pub/Stairs
 */
-#include "time.h"
+#include "./time.h"
 #include <string.h>
-#include <FS.h>
+#include <ArduinoJson.h>
 #include "../../debug.h"
 #include "../../global.h"
 #include "../../praisethesun.h"
@@ -46,63 +46,77 @@ DayOfWeek toDayOfWeek(timeDayOfWeek_t timeDay)
 }
 
 
-struct Header
+
+
+void TimeTriggerSettings::toJson(Print &print)
 {
-  uint8_t version;
+  DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(10) + JSON_OBJECT_SIZE(3) + 10*JSON_OBJECT_SIZE(5));
-  uint8_t triggerCount;
-  uint16_t transitionTime;
-  bool enabled;
-};
 
+  JsonObject& root = jsonBuffer.createObject();
+  root["enabled"] = enabled();
+  root["transitionTime"] = transitionTime();
 
-void TimeTriggerSettings::read()
+  JsonArray& jsonTriggers = root.createNestedArray("triggers");
-{
-  _dln("TimeTriggerSettings :: Loading time triggers");
-  File f = SPIFFS.open(TimeTriggerSettingsFile, "r");
-  if (!f)
-    return;
 
-  if (!f.available())
+  for (uint8_t i = 0; i < triggerCount(); i++)
-    return;
+  {
+    TimeTrigger* triggerItem = trigger(i);
 
-  Header header;
+    JsonObject& jsonTrigger = jsonTriggers.createNestedObject();
-  f.readBytes((char*)&header, sizeof(Header));
+    jsonTrigger["time"] = triggerItem->time;
+    jsonTrigger["daysOfWeek"] = triggerItem->daysOfWeek;
+    jsonTrigger["brightness"] = triggerItem->brightness;
+    jsonTrigger["triggerType"] = (uint8_t)triggerItem->triggerType;
+    jsonTrigger["enabled"] = triggerItem->enabled;
+  }
 
-  if (header.version != 1)
+  root.printTo(print);
-    return;
-
-  mEnabled = header.enabled;
-  mTransitionTime = header.transitionTime;
-  beginSetTriggers(header.triggerCount);
-
-  if (header.triggerCount > 0)
-    f.readBytes((char*)&mTriggers, header.triggerCount * sizeof(TimeTrigger));
-
-  endSetTriggers();
-
-  f.close();
 }
 
 
-void TimeTriggerSettings::write()
+bool TimeTriggerSettings::fromJson(char* data, bool* changed)
 {
-  _dln("TimeTriggerSettings :: Saving time triggers");
+  if (changed != nullptr)
-  File f = SPIFFS.open(TimeTriggerSettingsFile, "w");
+    *changed = false;
-  if (!f)
-    return;
 
-  Header header;
+  DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(10) + JSON_OBJECT_SIZE(3) + 10*JSON_OBJECT_SIZE(5) + 270);
-  header.version = 1;
+  JsonObject& root = jsonBuffer.parseObject(data);
-  header.enabled = mEnabled;
-  header.transitionTime = mTransitionTime;
-  header.triggerCount = mTriggerCount;
 
-  f.write((uint8_t*)&header, sizeof(Header));
+  if (!root.success())
-  f.write((uint8_t*)&mTriggers, header.triggerCount * sizeof(TimeTrigger));
+    return false;
-  f.close();
+
+
+  enabled(root["enabled"]);
+  transitionTime(root["transitionTime"]);
+
+  JsonArray& jsonTriggers = root["triggers"];
+  if (mTriggers != nullptr)
+    delete [] mTriggers;
+
+  mTriggerCount = jsonTriggers.size();
+  mTriggers = new TimeTrigger[mTriggerCount];
+
+
+  for (uint8_t i = 0; i < mTriggerCount; i++)
+  {
+    JsonObject& jsonTrigger = jsonTriggers[i];
+    TimeTrigger* trigger = &mTriggers[i];
+
+    trigger->time = jsonTrigger["time"];
+    trigger->daysOfWeek = jsonTrigger["daysOfWeek"];
+    trigger->brightness = jsonTrigger["brightness"];
+    trigger->triggerType = (TimeTriggerType)(uint8_t)jsonTrigger["triggerType"];
+    trigger->enabled = jsonTrigger["enabled"];
+  }
+
+  if (changed != nullptr)
+    *changed = true;
+
+  return true;
 }
 
 
+
 TimeTrigger* TimeTriggerSettings::getActiveTrigger(tmElements_t &time)
 {
   if (mTriggerCount == 0)
@@ -176,55 +190,3 @@ TimeTrigger* TimeTriggerSettings::getActiveTrigger(tmElements_t &time)
 
   return nullptr;
 }
-
-
-void TimeTriggerSettings::beginSetTriggers(uint8_t count)
-{
-  if (mTriggers != nullptr)
-    delete [] mTriggers;
-
-  mTriggers = new TimeTrigger[count];
-  mTriggerCount = count;
-}
-
-
-void TimeTriggerSettings::setTrigger(uint8_t index, TimeTrigger* value)
-{
-  memcpy(&mTriggers[index], value, sizeof(TimeTrigger));
-}
-
-
-void TimeTriggerSettings::endSetTriggers()
-{
-  /* No need to sort, sunrise / sunset triggers already mess things up anyways
-  // Sort triggers by time of day
-  // Based on the Comb sort implementation by Rob Tillaart
-  // http://forum.arduino.cc/index.php?topic=280486.0
-  uint8_t i, j;
-  uint8_t gap;
-  bool swapped = true;
-  TimeTrigger temp;
-
-  gap = mTriggerCount;
-  while (gap > 1 || swapped)
-  {
-    if (gap > 1)
-    {
-      gap = gap * 10/13;
-      if (gap == 9 || gap == 10) gap = 11;
-    }
-
-    swapped = false;
-    for (i = 0, j = gap; j < mTriggerCount; i++, j++)
-    {
-      if (mTriggers[i].time > mTriggers[j].time)
-      {
-        temp = mTriggers[i];
-        mTriggers[i] = mTriggers[j];
-        mTriggers[j] = temp;
-        swapped = true;
-      }
-    }
-  }
-  */
-}

src/settings/triggers/time.h

@@ -9,6 +9,8 @@
 
 #include <Arduino.h>
 #include <TimeLib.h>
+#include "../../config.h"
+#include "../abstractjson.h"
 
 enum DayOfWeek
 {
@@ -44,7 +46,7 @@ struct TimeTrigger
 };
 
 
-class TimeTriggerSettings
+class TimeTriggerSettings : public AbstractJsonSettings
 {
   private:
     bool mEnabled = false;
@@ -52,9 +54,13 @@ class TimeTriggerSettings
     uint8_t mTriggerCount = 0;
     TimeTrigger* mTriggers = nullptr;
 
+  protected:
+    virtual const char* getFilename() { return ConnectionSettingsFile; };
+    virtual const char* getDebugPrefix() { return "ConnectionSettings"; };
+
   public:
-    void read();
+    void toJson(Print &print);
-    void write();
+    bool fromJson(char* data, bool* changed);
 
 
     TimeTrigger* getActiveTrigger(tmElements_t &time);
@@ -68,10 +74,6 @@ class TimeTriggerSettings
 
     uint8_t triggerCount() { return mTriggerCount; }
     TimeTrigger* trigger(uint8_t index) { return &mTriggers[index]; }
-
-    void beginSetTriggers(uint8_t count);
-    void setTrigger(uint8_t index, TimeTrigger* value);
-    void endSetTriggers();
 };
 
 #endif

src/stairs.cpp

@@ -1,8 +1,8 @@
-#include "stairs.h"
+#include "./stairs.h"
 #include <Math.h>
 #include <FS.h>
-#include "debug.h"
+#include "./debug.h"
-#include "global.h"
+#include "./global.h"
 
 
 

src/stairs.h

@@ -1,9 +1,9 @@
 #ifndef __Stairs
 #define __Stairs
 
-#include "components/PCA9685.h"
+#include "./components/PCA9685.h"
-#include "config.h"
+#include "./config.h"
-#include "settings/steps.h"
+#include "./settings/steps.h"
 
 struct Step
 {