Martin Stone / microbit_8ball

Turns the micro:bit into a magic 8-ball

Dependencies:   microbit

main.cpp@0:82f9c5a8891c, 2017-09-16 (annotated)

Committer:
martyStone
Date:
Sat Sep 16 00:34:34 2017 +0000
Revision:
0:82f9c5a8891c
Sample magic 8 ball program

Who changed what in which revision?

UserRevisionLine numberNew contents of line
martyStone 0:82f9c5a8891c 1 /*
martyStone 0:82f9c5a8891c 2 The MIT License (MIT)
martyStone 0:82f9c5a8891c 3
martyStone 0:82f9c5a8891c 4 Copyright (c) 2016 British Broadcasting Corporation.
martyStone 0:82f9c5a8891c 5 This software is provided by Lancaster University by arrangement with the BBC.
martyStone 0:82f9c5a8891c 6
martyStone 0:82f9c5a8891c 7 Permission is hereby granted, free of charge, to any person obtaining a
martyStone 0:82f9c5a8891c 8 copy of this software and associated documentation files (the "Software"),
martyStone 0:82f9c5a8891c 9 to deal in the Software without restriction, including without limitation
martyStone 0:82f9c5a8891c 10 the rights to use, copy, modify, merge, publish, distribute, sublicense,
martyStone 0:82f9c5a8891c 11 and/or sell copies of the Software, and to permit persons to whom the
martyStone 0:82f9c5a8891c 12 Software is furnished to do so, subject to the following conditions:
martyStone 0:82f9c5a8891c 13
martyStone 0:82f9c5a8891c 14 The above copyright notice and this permission notice shall be included in
martyStone 0:82f9c5a8891c 15 all copies or substantial portions of the Software.
martyStone 0:82f9c5a8891c 16
martyStone 0:82f9c5a8891c 17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
martyStone 0:82f9c5a8891c 18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
martyStone 0:82f9c5a8891c 19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
martyStone 0:82f9c5a8891c 20 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
martyStone 0:82f9c5a8891c 21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
martyStone 0:82f9c5a8891c 22 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
martyStone 0:82f9c5a8891c 23 DEALINGS IN THE SOFTWARE.
martyStone 0:82f9c5a8891c 24 */
martyStone 0:82f9c5a8891c 25
martyStone 0:82f9c5a8891c 26 #include "MicroBit.h"
martyStone 0:82f9c5a8891c 27
martyStone 0:82f9c5a8891c 28 MicroBit uBit;
martyStone 0:82f9c5a8891c 29
martyStone 0:82f9c5a8891c 30 const char Answers[9][27] = {"It is certain;", "It is decidedly so;", "Cannot predict now;",
martyStone 0:82f9c5a8891c 31 "Concentrate and ask again;", "Don't count on it;", "My reply is no;",
martyStone 0:82f9c5a8891c 32 "My sources say no;", "Outlook not so good;", "Very doubtful;"};
martyStone 0:82f9c5a8891c 33 //
martyStone 0:82f9c5a8891c 34 //
martyStone 0:82f9c5a8891c 35 //
martyStone 0:82f9c5a8891c 36 int checkForShake() {
martyStone 0:82f9c5a8891c 37 uint32_t accVal = 0;
martyStone 0:82f9c5a8891c 38 int x = (uBit.accelerometer.getX());
martyStone 0:82f9c5a8891c 39 int y = (uBit.accelerometer.getY());
martyStone 0:82f9c5a8891c 40 accVal = (abs(x) + abs(y));
martyStone 0:82f9c5a8891c 41 return accVal;
martyStone 0:82f9c5a8891c 42 }
martyStone 0:82f9c5a8891c 43 //
martyStone 0:82f9c5a8891c 44 //
martyStone 0:82f9c5a8891c 45 int main()
martyStone 0:82f9c5a8891c 46 {
martyStone 0:82f9c5a8891c 47 // Initialise the micro:bit runtime.
martyStone 0:82f9c5a8891c 48 uBit.init();
martyStone 0:82f9c5a8891c 49 uBit.seedRandom();
martyStone 0:82f9c5a8891c 50 while(1) {
martyStone 0:82f9c5a8891c 51 uBit.display.print('8');
martyStone 0:82f9c5a8891c 52 if (checkForShake() >= 2500) { // (uBit.accelerometer.getGesture()== SHAKE)
martyStone 0:82f9c5a8891c 53 char response[27] = "";
martyStone 0:82f9c5a8891c 54 int idx1 = uBit.random(9);
martyStone 0:82f9c5a8891c 55 int idx2 = 0;
martyStone 0:82f9c5a8891c 56 while(Answers[idx1][idx2] != ';') // terminates on ;
martyStone 0:82f9c5a8891c 57 {
martyStone 0:82f9c5a8891c 58 response[idx2] = Answers[idx1][idx2];
martyStone 0:82f9c5a8891c 59 idx2++;
martyStone 0:82f9c5a8891c 60 }
martyStone 0:82f9c5a8891c 61 uBit.display.scroll(response);
martyStone 0:82f9c5a8891c 62 uBit.sleep(1000);}}
martyStone 0:82f9c5a8891c 63 }
martyStone 0:82f9c5a8891c 64 //