Made config voltage configurable

html/config.htm

@@ -390,11 +390,18 @@
             <div class="row mb-3">
               <label for="voltage-factor" class="col-sm-2 col-form-label">Voltage factor</label>
               <div class="col-sm-2">
-                <input type="number" step=".01" class="form-control" name="voltage-factor" id="voltage-factor" placeholder="1.59" data-bs-toggle="tooltip" title="Factor used to calculate the battery voltage. When running on battery, the voltage should be less than 4.15V">
+                <input type="number" step=".01" class="form-control" name="voltage-factor" id="voltage-factor" placeholder="1.59" data-bs-toggle="tooltip" title="Factor used to calculate the battery voltage. Can vary depending on the R2 value">
               </div>
               <label for="voltage-factor" class="col-sm-3 col-form-label" id="battery">Loading...</label>
             </div>
 
+            <div class="row mb-3">
+              <label for="voltage-config" class="col-sm-2 col-form-label">Config voltage</label>
+              <div class="col-sm-2">
+                <input type="number" step=".01" class="form-control" name="voltage-config" id="voltage-config" placeholder="4.16" data-bs-toggle="tooltip" title="Over this level the device will always go into configuration mode, some batteries might have a higher voltage when fully charged">
+              </div>
+            </div>
+
             <div class="row mb-3">
               <label for="temp-adjustment-value" class="col-sm-2 col-form-label">Temp Sensor Adj</label>
               <div class="col-sm-2">
@@ -865,6 +872,7 @@
         $("#mqtt-pass").val(cfg["mqtt-pass"]);
         $("#sleep-interval").val(cfg["sleep-interval"]);
         $("#voltage-factor").val(cfg["voltage-factor"]);
+        $("#voltage-config").val(cfg["voltage-config"]);
         $("#gravity-formula").val(cfg["gravity-formula"]);
         $("#temp-adjustment-value").val(cfg["temp-adjustment-value"]);
         $("#gravity-temp-adjustment").prop( "checked", cfg["gravity-temp-adjustment"] );

src/config.cpp

@@ -86,7 +86,8 @@ void Config::createJson(DynamicJsonDocument& doc) {
   doc[PARAM_PUSH_MQTT_USER] = getMqttUser();
   doc[PARAM_PUSH_MQTT_PASS] = getMqttPass();
   doc[PARAM_SLEEP_INTERVAL] = getSleepInterval();
-  doc[PARAM_VOLTAGEFACTOR] = getVoltageFactor();
+  doc[PARAM_VOLTAGE_FACTOR] = getVoltageFactor();
+  doc[PARAM_VOLTAGE_CONFIG] = getVoltageConfig();
   doc[PARAM_GRAVITY_FORMULA] = getGravityFormula();
   doc[PARAM_GRAVITY_FORMAT] = String(getGravityFormat());
   doc[PARAM_TEMP_ADJ] = getTempSensorAdjC();
@@ -254,8 +255,10 @@ bool Config::loadFile() {
 
   if (!doc[PARAM_SLEEP_INTERVAL].isNull())
     setSleepInterval(doc[PARAM_SLEEP_INTERVAL].as<int>());
-  if (!doc[PARAM_VOLTAGEFACTOR].isNull())
+  if (!doc[PARAM_VOLTAGE_FACTOR].isNull())
-    setVoltageFactor(doc[PARAM_VOLTAGEFACTOR].as<float>());
+    setVoltageFactor(doc[PARAM_VOLTAGE_FACTOR].as<float>());
+  if (!doc[PARAM_VOLTAGE_CONFIG].isNull())
+    setVoltageConfig(doc[PARAM_VOLTAGE_CONFIG].as<float>());
   if (!doc[PARAM_GRAVITY_FORMULA].isNull())
     setGravityFormula(doc[PARAM_GRAVITY_FORMULA]);
   if (!doc[PARAM_GRAVITY_TEMP_ADJ].isNull())

src/config.hpp

@@ -146,6 +146,7 @@ class Config {
   String _otaURL = "";
   char _tempFormat = 'C';
   float _voltageFactor = 1.59;
+  float _voltageConfig = 4.15;
   float _tempSensorAdjC = 0;
   int _sleepInterval = 900;
   bool _gyroTemp = false;
@@ -378,6 +379,16 @@ class Config {
     _saveNeeded = true;
   }
 
+  float getVoltageConfig() { return _voltageConfig; }
+  void setVoltageConfig(float f) {
+    _voltageConfig = f;
+    _saveNeeded = true;
+  }
+  void setVoltageConfig(String s) {
+    _voltageConfig = s.toFloat();
+    _saveNeeded = true;
+  }
+
   float getTempSensorAdjC() { return _tempSensorAdjC; }
   void setTempSensorAdjC(float f) {
     _tempSensorAdjC = f;

src/main.cpp

@@ -80,7 +80,9 @@ void checkSleepMode(float angle, float volt) {
     Log.notice(F("MAIN: Sleep mode disabled from web interface." CR));
 #endif
     runMode = RunMode::configurationMode;
-  } else if ((volt < 4.15 && (angle > 85 && angle < 95)) || (volt > 4.15)) {
+  } else if ((volt < myConfig.getVoltageConfig() &&
+              (angle > 85 && angle < 95)) ||
+             (volt > myConfig.getVoltageConfig())) {
     runMode = RunMode::configurationMode;
   } else if (angle < 5 && myConfig.isStorageSleep()) {
     runMode = RunMode::storageMode;
@@ -193,13 +195,15 @@ void setup() {
 
       if (runMode == RunMode::storageMode) {
         // If we are in storage mode, just go back to sleep
-        Log.notice(F("Main: Storage mode entered, going to sleep for maximum time." CR));
+        Log.notice(F(
+            "Main: Storage mode entered, going to sleep for maximum time." CR));
 #if defined(ESP8266)
         ESP.deepSleep(ESP.deepSleepMax());
 #else
-        #warning "Check and test the max deep sleep for esp32"
+#warning "Check and test the max deep sleep for esp32"
-        deepSleep(70*60); // quick search on internet suggest max time is 70 min
+        deepSleep(70 *
-#endif        
+                  60);  // quick search on internet suggest max time is 70 min
+#endif
       }
 
 #if defined(ESP32)

src/resources.hpp

@@ -53,7 +53,8 @@ SOFTWARE.
 #define PARAM_PUSH_MQTT_PORT "mqtt-port"
 #define PARAM_SLEEP_INTERVAL "sleep-interval"
 #define PARAM_TEMPFORMAT "temp-format"
-#define PARAM_VOLTAGEFACTOR "voltage-factor"
+#define PARAM_VOLTAGE_FACTOR "voltage-factor"
+#define PARAM_VOLTAGE_CONFIG "voltage-config"
 #define PARAM_GRAVITY_FORMULA "gravity-formula"
 #define PARAM_GRAVITY_FORMAT "gravity-format"
 #define PARAM_GRAVITY_TEMP_ADJ "gravity-temp-adjustment"

src/webserver.cpp

@@ -605,8 +605,10 @@ void WebServerHandler::webHandleConfigHardware() {
   Log.verbose(F("WEB : %s." CR), getRequestArguments().c_str());
 #endif
 
-  if (_server->hasArg(PARAM_VOLTAGEFACTOR))
+  if (_server->hasArg(PARAM_VOLTAGE_FACTOR))
-    myConfig.setVoltageFactor(_server->arg(PARAM_VOLTAGEFACTOR).toFloat());
+    myConfig.setVoltageFactor(_server->arg(PARAM_VOLTAGE_FACTOR).toFloat());
+  if (_server->hasArg(PARAM_VOLTAGE_CONFIG))
+    myConfig.setVoltageConfig(_server->arg(PARAM_VOLTAGE_CONFIG).toFloat());
   if (_server->hasArg(PARAM_TEMP_ADJ)) {
     if (myConfig.isTempC()) {
       myConfig.setTempSensorAdjC(_server->arg(PARAM_TEMP_ADJ));
@@ -626,7 +628,8 @@ void WebServerHandler::webHandleConfigHardware() {
     myConfig.setGyroTemp(false);
   if (_server->hasArg(PARAM_STORAGE_SLEEP))
     myConfig.setStorageSleep(
-        _server->arg(PARAM_STORAGE_SLEEP).equalsIgnoreCase("on") ? true : false);
+        _server->arg(PARAM_STORAGE_SLEEP).equalsIgnoreCase("on") ? true
+                                                                 : false);
   else
     myConfig.setStorageSleep(false);
 

src_docs/source/configuration.rst

@@ -233,6 +233,10 @@ Hardware Settings
 
 Factor used to calcualate the battery voltage. If you get a too low/high voltage you can adjust this value.
 
+* **Config voltage:**
+
+Defines the level of voltage when the device should enter config mode due to charging. This might vary between different battery manufacturers.
+
 * **Temperature correction:**
 
 This value will be added to the temperature reading (negative value will reduce temperature reading). This is applied
@@ -245,6 +249,13 @@ longer battery life (this is an experimental feature). The value used is the fir
 device is activated, since the gyro should be cool this is reflecting the surronding temperature. After it has 
 been running the value would be totally off.  
 
+* **Enable storage mode when placed on cap**
+
+Enable storage mode on the device. When place on the cap (<5 degres tilt) the device will go into max sleep. In order to wake it up 
+you need to do a reset (or wait for the device to wake up). One option is to attach a magnetic reed switch (default open) to the reset pin 
+and use a magnet to force a reset without opening the tube. The reed switch is typically an electronic component of 14 mm long incapsulated 
+in a small glass tube.
+
 * **Bluetooth: (Only ESP32)**
 
 If the build is using an ESP32 then you can send data over BLE, simulating a Tilt device. Choose the color that you want the device to simulate.

src_docs/source/releases.rst

@@ -17,6 +17,13 @@ Documentation
 User interface
 ++++++++++++++
 * Under format options its now possible to select brewfather ispindle format to avoid mixing endpoints. 
+* Added brewblox as format under format options. 
+* User can now edit the voltage level that forces the device into config mode (charging)
+
+Features
+++++++++
+* Added storage mode which is activated under hardware setting. When place on the cap (<5 degres tilt) the device will go into 
+storage mode and sleep for the max allowed time. 
 
 Issues adressed
 ++++++++++++++++

test/config.json

@@ -20,8 +20,10 @@
     "mqtt-port": 1883,
     "mqtt-user": "user",
     "mqtt-pass": "pass",
+    "storage-sleep": true,
     "sleep-interval": 30,
     "voltage-factor": 1.59,
+    "voltage-config": 4.15,
     "gravity-formula": "0.0*tilt^3+0.0*tilt^2+0.0017978*tilt+0.9436",
     "gravity-format": "G",
     "temp-adjustment-value": 0,