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| 1 | +// SPDX-FileCopyrightText: 2018 Dave Astels for Adafruit Industries |
| 2 | +// |
| 3 | +// SPDX-License-Identifier: MIT |
| 4 | + |
| 5 | +// Crickit + Adafruit IO Publish & Subscribe 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 | +/************************** Configuration ***********************************/ |
| 18 | + |
| 19 | +// edit the config.h tab and enter your Adafruit IO credentials |
| 20 | +// and any additional configuration needed for WiFi, cellular, |
| 21 | +// or ethernet clients. |
| 22 | +#include "config.h" |
| 23 | +#include <Adafruit_Crickit.h> |
| 24 | +#include <seesaw_servo.h> |
| 25 | +#include <seesaw_neopixel.h> |
| 26 | + |
| 27 | +#define NEOPIX_PIN (20) /* Neopixel pin */ |
| 28 | +#define NEOPIX_NUMBER_OF_PIXELS (7) |
| 29 | + |
| 30 | +#define CAPTOUCH_THRESH 500 |
| 31 | + |
| 32 | +#define IO_LOOP_DELAY (1000) |
| 33 | +unsigned long lastUpdate = 0; |
| 34 | + |
| 35 | +// set up the feeds |
| 36 | +AdafruitIO_Feed *servo1_control; |
| 37 | +AdafruitIO_Feed *neopixel_control; |
| 38 | +AdafruitIO_Feed *light; |
| 39 | +uint16_t last_reported_light = 0; |
| 40 | + |
| 41 | +AdafruitIO_Feed *touch; |
| 42 | +boolean last_touch = false; |
| 43 | + |
| 44 | +// set up the Crickit |
| 45 | + |
| 46 | +Adafruit_Crickit crickit; |
| 47 | +seesaw_Servo servo_1(&crickit); // create servo object to control a servo |
| 48 | + |
| 49 | +// Parameter 1 = number of pixels in strip |
| 50 | +// Parameter 2 = Arduino pin number (most are valid) |
| 51 | +// Parameter 3 = pixel type flags, add together as needed: |
| 52 | +// NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs) |
| 53 | +// NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers) |
| 54 | +// NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products) |
| 55 | +// NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2) |
| 56 | +// NEO_RGBW Pixels are wired for RGBW bitstream (NeoPixel RGBW products) |
| 57 | +seesaw_NeoPixel strip = seesaw_NeoPixel(NEOPIX_NUMBER_OF_PIXELS, NEOPIX_PIN, NEO_GRB + NEO_KHZ800); |
| 58 | + |
| 59 | +void setup_feeds() |
| 60 | +{ |
| 61 | + servo1_control = io.feed("crickit.servo1-control"); |
| 62 | + neopixel_control = io.feed("crickit.neopixel-control"); |
| 63 | + light = io.feed("crickit.light"); |
| 64 | + touch = io.feed("crickit.touch-0"); |
| 65 | +} |
| 66 | + |
| 67 | + |
| 68 | +void setup() |
| 69 | +{ |
| 70 | + setup_feeds(); |
| 71 | + Serial.println("Feeds set up"); |
| 72 | + |
| 73 | + // start the serial connection |
| 74 | + Serial.begin(115200); |
| 75 | + |
| 76 | + // wait for serial monitor to open |
| 77 | + while(! Serial); |
| 78 | + |
| 79 | + Serial.println("Connecting to Adafruit IO"); |
| 80 | + |
| 81 | + // connect to io.adafruit.com |
| 82 | + io.connect(); |
| 83 | + |
| 84 | + // set up a message handler for the count feed. |
| 85 | + // the handleMessage function (defined below) |
| 86 | + // will be called whenever a message is |
| 87 | + // received from adafruit io. |
| 88 | + // setup handlers |
| 89 | + servo1_control->onMessage(handle_servo_message); |
| 90 | + neopixel_control->onMessage(handle_neopixel_message); |
| 91 | + |
| 92 | + // wait for a connection |
| 93 | + while(io.status() < AIO_CONNECTED) { |
| 94 | + Serial.println(io.statusText()); |
| 95 | + delay(500); |
| 96 | + } |
| 97 | + |
| 98 | + // we are connected |
| 99 | + Serial.println(); |
| 100 | + Serial.println(io.statusText()); |
| 101 | + |
| 102 | + if (!crickit.begin()) { |
| 103 | + Serial.println("Error starting Crickit!"); |
| 104 | + while(1); |
| 105 | + } else { |
| 106 | + Serial.println("Crickit started"); |
| 107 | + } |
| 108 | + |
| 109 | + if(!strip.begin()){ |
| 110 | + Serial.println("Error starting Neopixels!"); |
| 111 | + while(1); |
| 112 | + } else { |
| 113 | + Serial.println("Neopixels started"); |
| 114 | + } |
| 115 | + |
| 116 | + servo1_control->get(); |
| 117 | + servo_1.attach(CRICKIT_SERVO1); |
| 118 | + |
| 119 | + Serial.println("setup complete"); |
| 120 | +} |
| 121 | + |
| 122 | + |
| 123 | +void loop() |
| 124 | +{ |
| 125 | + |
| 126 | + // io.run(); is required for all sketches. |
| 127 | + // it should always be present at the top of your loop |
| 128 | + // function. it keeps the client connected to |
| 129 | + // io.adafruit.com, and processes any incoming data. |
| 130 | + io.run(); |
| 131 | + |
| 132 | + if (millis() > (lastUpdate + IO_LOOP_DELAY)) { |
| 133 | + |
| 134 | + uint16_t light_level = crickit.analogRead(CRICKIT_SIGNAL1); |
| 135 | + uint16_t light_delta = abs(light_level - last_reported_light); |
| 136 | + |
| 137 | + if (light_delta > 10) { |
| 138 | + light->save(light_level); |
| 139 | + last_reported_light = light_level; |
| 140 | + Serial.print("Sending "); |
| 141 | + } |
| 142 | + Serial.print("Light: "); |
| 143 | + Serial.println(light_level); |
| 144 | + |
| 145 | + uint16_t val = crickit.touchRead(0); |
| 146 | + |
| 147 | + if (val >= CAPTOUCH_THRESH && !last_touch) { |
| 148 | + touch->save(1); |
| 149 | + last_touch = true; |
| 150 | + Serial.println("CT 0 touched."); |
| 151 | + } else if (val < CAPTOUCH_THRESH && last_touch) { |
| 152 | + touch->save(0); |
| 153 | + last_touch = false; |
| 154 | + Serial.println("CT 0 released."); |
| 155 | + } |
| 156 | + |
| 157 | + // after publishing, store the current time |
| 158 | + lastUpdate = millis(); |
| 159 | + } |
| 160 | + |
| 161 | +} |
| 162 | + |
| 163 | +void handle_servo_message(AdafruitIO_Data *data) |
| 164 | +{ |
| 165 | + Serial.print("received servo control <- "); |
| 166 | + Serial.println(data->value()); |
| 167 | + int angle = data->toInt(); |
| 168 | + if(angle < 0) { |
| 169 | + angle = 0; |
| 170 | + } else if(angle > 180) { |
| 171 | + angle = 180; |
| 172 | + } |
| 173 | + servo_1.write(angle); |
| 174 | + |
| 175 | +} |
| 176 | + |
| 177 | + |
| 178 | +void handle_neopixel_message(AdafruitIO_Data *data) |
| 179 | +{ |
| 180 | + Serial.print("received neopixel control <- "); |
| 181 | + Serial.println(data->value()); |
| 182 | + long color = data->toNeoPixel(); |
| 183 | + for (int pixel = 0; pixel < NEOPIX_NUMBER_OF_PIXELS; pixel++) { |
| 184 | + strip.setPixelColor(pixel, color); |
| 185 | + } |
| 186 | + strip.show(); |
| 187 | +} |
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