1  // SPDX-FileCopyrightText: 2018 Dave Astels for Adafruit Industries
  2  //
  3  // SPDX-License-Identifier: MIT
  4  
  5  // Crickit + Adafruit IO Publish Example
  6  //
  7  // Adafruit invests time and resources providing this open source code.
  8  // Please support Adafruit and open source hardware by purchasing
  9  // products from Adafruit!
 10  //
 11  // Written by Dave Astels for Adafruit Industries
 12  // Copyright (c) 2018 Adafruit Industries
 13  // Licensed under the MIT license.
 14  //
 15  // All text above must be included in any redistribution.
 16  
 17  #include "config.h"
 18  #include <Adafruit_Crickit.h>
 19  
 20  #define CAPTOUCH_THRESH 500
 21  
 22  #define IO_LOOP_DELAY (1000)
 23  unsigned long lastUpdate = 0;
 24  
 25  // set up the feeds
 26  AdafruitIO_Feed *light;
 27  uint16_t last_reported_light = 0;
 28  
 29  AdafruitIO_Feed *touch;
 30  boolean last_touch = false;
 31  
 32  // set up the Crickit
 33  
 34  Adafruit_Crickit crickit;
 35  
 36  void setup_feeds()
 37  {
 38    light = io.feed("crickit.light");
 39    touch = io.feed("crickit.touch-0");
 40  }
 41  
 42  
 43  void setup()
 44  {
 45    setup_feeds();
 46    Serial.println("Feeds set up");
 47  
 48    // start the serial connection
 49    Serial.begin(115200);
 50  
 51    // wait for serial monitor to open
 52    while(! Serial);
 53  
 54    Serial.println("Connecting to Adafruit IO");
 55  
 56    // connect to io.adafruit.com
 57    io.connect();
 58  
 59    // wait for a connection
 60    while(io.status() < AIO_CONNECTED) {
 61      Serial.print(".");
 62      //    Serial.println(io.statusText());
 63      delay(500);
 64    }
 65  
 66    // we are connected
 67    Serial.println();
 68    Serial.println(io.statusText());
 69  
 70    if (!crickit.begin()) {
 71      Serial.println("Error starting Crickit!");
 72      while(1);
 73    } else {
 74      Serial.println("Crickit started");
 75    }
 76  
 77    Serial.println("setup complete");
 78  }
 79  
 80  
 81  void loop()
 82  {
 83  
 84    // io.run(); is required for all sketches.
 85    // it should always be present at the top of your loop
 86    // function. it keeps the client connected to
 87    // io.adafruit.com, and processes any incoming data.
 88    io.run();
 89  
 90    if (millis() > (lastUpdate + IO_LOOP_DELAY)) {
 91  
 92      uint16_t light_level = crickit.analogRead(CRICKIT_SIGNAL1);
 93      uint16_t light_delta = abs(light_level - last_reported_light);
 94  
 95      if (light_delta > 10) {
 96        light->save(light_level);
 97        last_reported_light = light_level;
 98        Serial.print("Sending ");
 99      }
100      Serial.print("Light: ");
101      Serial.println(light_level);
102  
103      uint16_t val = crickit.touchRead(0);
104  
105      if (val >= CAPTOUCH_THRESH && !last_touch) {
106        touch->save(1);
107        last_touch = true;
108        Serial.println("CT 0 touched.");
109      } else if (val < CAPTOUCH_THRESH && last_touch) {
110        touch->save(0);
111        last_touch = false;
112        Serial.println("CT 0 released.");
113      }
114  
115      // after publishing, store the current time
116      lastUpdate = millis();
117    }
118  
119  }