THNG:STRUCTION - application part for HumidityAlerter template, using a BME280 via I2C.

thngstruction_humidity_bme280_app

/**
 * Generated by THNG:STRUCTION, provided as a Creative Commons 1.0 Universal (CC0 1.0) Public Domain Dedication.
 *
 * Code is as-is and without any warranty; without even the implied
 * warranty of merchantability or fitness for a particular purpose.
 * See LICENSE file or visit https://creativecommons.org/publicdomain/zero/1.0/deed.en
 */

/*
========================================================================================================================
Industruino D21G Application part for Thing 'HumidityAlerter'
HumidityAlerter: Measures humidity and compares it against defined thresholds
========================================================================================================================
 */

#include <Arduino.h>

// ------------------------------------------------------------------------------------------------------------------
// LCD part
// ------------------------------------------------------------------------------------------------------------------
#include <UC1701.h>

extern UC1701 lcd;

// ------------------------------------------------------------------------------------------------------------------
// Application Handlers
// TODO: Implement application functionality here
// ------------------------------------------------------------------------------------------------------------------


/** Pushes a new event to the event FIFO */
void wot_events_push(const char *name, const char *description, unsigned long time);

/** TODO: Implement application-specific code here by filling the app_...(...) functions */

// HINT: #include your own libraries here if you need them (e.g. for sensor libraries)
#include <Seeed_BME280.h>
#include <Wire.h>

// HINT: declare/define your globals here

BME280 bme280;
static int HumidityThresholdVar = 100;
static bool bAboveThreshold = false;

/**
 * app_setup() is called by setup() after Serial and networking has been made
 * available. This is a good place to initialize your own hardware parts like
 * sensors etc., and to initialize your own variables.
 */
void app_setup() {
  // e.g.
  // pinMode(D0, OUTPUT);
  bme280.init();
  // ...
}


/**
 *  Call this to raise a new event named "HumidityAboveThreshold". This
 *  event will be added to the circular events buffer and can be seen by API clients.
 *  Optionally add additional event-related code here, e.g. triggering an external API.
 */
void app_raise_HumidityAboveThreshold() {
  wot_events_push("HumidityAboveThreshold", "Triggered when humidity goes above defined threshold", millis());

  // your own event-related code
}


/**
 * app_loop() gets called by loop() function in regular intervals. This is good
 * place to check for conditions (e.g. from sensors) and raise events. Additionally,
 * actions handling code should be performed here.
 * It's not run in a separate thread, so please do not delay(..) in here, otherwise
 * it can block the http procotol handling.
 */
void app_loop() {
  float f =  bme280.getHumidity();
  if ( !bAboveThreshold) {
    if ( f > HumidityThresholdVar) {
      app_raise_HumidityAboveThreshold();
      bAboveThreshold = true;

      lcd.setCursor(0,5);
      lcd.clearLine();
      lcd.println("Above");
    }
  } else {
    if ( f < HumidityThresholdVar) {
      bAboveThreshold = false;

      lcd.setCursor(0,5);
      lcd.clearLine();
      lcd.println("Below");
    }
  }

}





/**
 * app_get_Humidity is called by http handlers every time property "Humidity"
 * is requested by a client in a read operation.
 * TODO: Implement custom action logic here. Remember this function blocks
 * processing of http request.
 */
int app_get_Humidity() {
    return bme280.getHumidity();
}

/**
 * app_set_Humidity is called by http handlers every time property "Humidity"
 * is requested by a client in a write operation.
 * TODO: Implement custom action logic here. Remember this function blocks
 * processing of http request.
 */
void app_set_Humidity(int v) {
}



/**
 * app_get_HumidityThreshold is called by http handlers every time property "HumidityThreshold"
 * is requested by a client in a read operation.
 * TODO: Implement custom action logic here. Remember this function blocks
 * processing of http request.
 */
int app_get_HumidityThreshold() {
    return HumidityThresholdVar;
}

/**
 * app_set_HumidityThreshold is called by http handlers every time property "HumidityThreshold"
 * is requested by a client in a write operation.
 * TODO: Implement custom action logic here. Remember this function blocks
 * processing of http request.
 */
void app_set_HumidityThreshold(int v) {
  HumidityThresholdVar = v;
}

// ------------------------------------------------------------------------------------------------------------------
// END Application Handlers
// ------------------------------------------------------------------------------------------------------------------