Add boolean sensor type

Author: tyeth

src/Wippersnapper_demo.ino

@@ -23,7 +23,11 @@ ws_adapter_offline wipper;
 
 void setup() {
   Serial.begin(115200);
-  while(!Serial);
+  // Wait for serial to connect when dev mode, but don't wait forever
+  uint8_t countdown = 200;
+  while(!Serial && countdown-- > 0) {
+    delay(10);
+  }
   wipper.provision();
   wipper.connect();
 }

src/components/i2c/drivers/drvBase.h

@@ -511,6 +511,15 @@ class drvBase {
     return false;
   }
 
+  /*!
+      @brief    Gets a sensor's Boolean value.
+      @param    booleanEvent
+                The Boolean value.
+      @returns  True if the sensor value was obtained successfully, False
+                otherwise.
+  */
+  virtual bool getEventBoolean(sensors_event_t *booleanEvent) { return false; }
+
   /*!
       @brief    Gets a sensor's Raw value.
       @param    rawEvent
@@ -633,6 +642,10 @@ class drvBase {
 
   // Maps SensorType to function calls
   std::map<wippersnapper_sensor_SensorType, fnGetEvent> SensorEventHandlers = {
+      {wippersnapper_sensor_SensorType_SENSOR_TYPE_BOOLEAN,
+       [this](sensors_event_t *event) -> bool {
+         return this->getEventBoolean(event);
+       }},
       {wippersnapper_sensor_SensorType_SENSOR_TYPE_UNSPECIFIED,
        [this](sensors_event_t *event) -> bool {
          return this->getEventRaw(event);

src/components/i2c/model.cpp

@@ -210,6 +210,28 @@ GetValueFromSensorsEventOrientation(wippersnapper_sensor_SensorType sensor_type,
   return value;
 }
 
+/*!
+    @brief    Returns the boolean event value mapped to a sensor
+   event.
+    @param    sensor_type
+                The SensorType.
+    @param    event
+                The sensors_event_t event.
+    @returns  The value of the SensorType as a boolean.
+*/
+bool
+GetValueFromSensorsEventBoolean(wippersnapper_sensor_SensorType sensor_type,
+                                    sensors_event_t *event) {
+  bool value = false;
+  WS_DEBUG_PRINTLN("[i2c] Getting boolean event value...");
+  WS_DEBUG_PRINT("[i2c] Event data[0]: ");
+  WS_DEBUG_PRINTLN(event->data[0]);
+  value = event->data[0] > 0.0f;
+  WS_DEBUG_PRINT("[i2c] Boolean value (x>0): ");
+  WS_DEBUG_PRINTLN(value);
+  return value;
+}
+
 /*!
     @brief  Decodes a I2cDeviceRemove message from an input stream.
     @param    stream
@@ -472,6 +494,12 @@ bool I2cModel::AddI2cDeviceSensorEvent(
         .i2c_device_events[_msg_i2c_device_event.i2c_device_events_count]
         .value.orientation_value.pitch = value_vect.pitch;
     // TODO: Add color RGB(A) vector support
+  } else if (sensor_type ==
+             wippersnapper_sensor_SensorType_SENSOR_TYPE_BOOLEAN) {
+    bool value = GetValueFromSensorsEventBoolean(sensor_type, &event);
+    _msg_i2c_device_event
+        .i2c_device_events[_msg_i2c_device_event.i2c_device_events_count]
+        .value.bool_value = value;
   } else {
     float value = GetValueFromSensorsEvent(sensor_type, &event);
     _msg_i2c_device_event

src/provisioning/sdcard/ws_sdcard.cpp

@@ -1480,6 +1480,13 @@ bool ws_sdcard::LogEventI2c(
       if (!LogJSONDoc(doc))
         return false;
       continue;
+    } else if (msg_device_event->i2c_device_events[i].type ==
+               wippersnapper_sensor_SensorType_SENSOR_TYPE_BOOLEAN) {
+      doc["value"] = msg_device_event->i2c_device_events[i].value.bool_value;
+      doc["si_unit"] =
+          SensorTypeToSIUnit(msg_device_event->i2c_device_events[i].type);
+      if (!LogJSONDoc(doc))
+        return false;
     } else { // normal scalar float value
       doc["value"] = msg_device_event->i2c_device_events[i].value.float_value;
       doc["si_unit"] =