Martin Woolley / microbit-animator

Solution to the Bluetooth animation service exercise

Dependencies:   microbit

Fork of microbit-animator by Martin Woolley

Animator.cpp@7:1878a4427199, 2017-02-06 (annotated)

Committer:
bluetooth_mdw
Date:
Mon Feb 06 09:44:09 2017 +0000
Revision:
7:1878a4427199
Parent:
0:394f7f99082b 
Solution for Bluetooth SIG hands-on training course

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bluetooth_mdw 0:394f7f99082b 1 /*
bluetooth_mdw 0:394f7f99082b 2 The MIT License (MIT)
bluetooth_mdw 0:394f7f99082b 3
bluetooth_mdw 0:394f7f99082b 4 Copyright (c) 2016 British Broadcasting Corporation.
bluetooth_mdw 0:394f7f99082b 5 This software is provided by Lancaster University by arrangement with the BBC.
bluetooth_mdw 0:394f7f99082b 6
bluetooth_mdw 0:394f7f99082b 7 Permission is hereby granted, free of charge, to any person obtaining a
bluetooth_mdw 0:394f7f99082b 8 copy of this software and associated documentation files (the "Software"),
bluetooth_mdw 0:394f7f99082b 9 to deal in the Software without restriction, including without limitation
bluetooth_mdw 0:394f7f99082b 10 the rights to use, copy, modify, merge, publish, distribute, sublicense,
bluetooth_mdw 0:394f7f99082b 11 and/or sell copies of the Software, and to permit persons to whom the
bluetooth_mdw 0:394f7f99082b 12 Software is furnished to do so, subject to the following conditions:
bluetooth_mdw 0:394f7f99082b 13
bluetooth_mdw 0:394f7f99082b 14 The above copyright notice and this permission notice shall be included in
bluetooth_mdw 0:394f7f99082b 15 all copies or substantial portions of the Software.
bluetooth_mdw 0:394f7f99082b 16
bluetooth_mdw 0:394f7f99082b 17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
bluetooth_mdw 0:394f7f99082b 18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
bluetooth_mdw 0:394f7f99082b 19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO Animation SHALL
bluetooth_mdw 0:394f7f99082b 20 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
bluetooth_mdw 0:394f7f99082b 21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
bluetooth_mdw 0:394f7f99082b 22 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
bluetooth_mdw 0:394f7f99082b 23 DEALINGS IN THE SOFTWARE.
bluetooth_mdw 0:394f7f99082b 24 */
bluetooth_mdw 0:394f7f99082b 25
bluetooth_mdw 0:394f7f99082b 26 #include "Animator.h"
bluetooth_mdw 0:394f7f99082b 27 #include "MicroBit.h"
bluetooth_mdw 0:394f7f99082b 28 #include <math.h>
bluetooth_mdw 0:394f7f99082b 29 #include <mbed.h>
bluetooth_mdw 0:394f7f99082b 30
bluetooth_mdw 0:394f7f99082b 31 MicroBitImage pattern(5,5);
bluetooth_mdw 0:394f7f99082b 32
bluetooth_mdw 0:394f7f99082b 33 Serial pc(USBTX, USBRX);
bluetooth_mdw 0:394f7f99082b 34
bluetooth_mdw 0:394f7f99082b 35 int inx=0;
bluetooth_mdw 0:394f7f99082b 36 int delta = 1;
bluetooth_mdw 0:394f7f99082b 37 int pixel_value=255;
bluetooth_mdw 0:394f7f99082b 38 int flash_state=1;
bluetooth_mdw 0:394f7f99082b 39 int num_rnd_pixels = 4;
bluetooth_mdw 0:394f7f99082b 40
bluetooth_mdw 0:394f7f99082b 41 int ripple_pixels[4][25] = {
bluetooth_mdw 0:394f7f99082b 42 {0,0,0,0,0, 0,0,0,0,0, 0,0,0,0,0, 0,0,0,0,0, 0,0,0,0,0},
bluetooth_mdw 0:394f7f99082b 43 {0,0,0,0,0, 0,0,0,0,0, 0,0,1,0,0, 0,0,0,0,0, 0,0,0,0,0},
bluetooth_mdw 0:394f7f99082b 44 {0,0,0,0,0, 0,1,1,1,0, 0,1,0,1,0, 0,1,1,1,0, 0,0,0,0,0},
bluetooth_mdw 0:394f7f99082b 45 {1,1,1,1,1, 1,0,0,0,1, 1,0,0,0,1, 1,0,0,0,1, 1,1,1,1,1}
bluetooth_mdw 0:394f7f99082b 46 };
bluetooth_mdw 0:394f7f99082b 47
bluetooth_mdw 0:394f7f99082b 48 int spiral_pixels[25] = {
bluetooth_mdw 0:394f7f99082b 49 12, 13, 8, 7, 6, 11, 16, 17, 18, 19, 14, 9, 4, 3, 2, 1, 0, 5, 10, 15, 20, 21, 22, 23, 24
bluetooth_mdw 0:394f7f99082b 50 };
bluetooth_mdw 0:394f7f99082b 51
bluetooth_mdw 0:394f7f99082b 52 Animator::Animator(MicroBitDisplay &_display) :
bluetooth_mdw 0:394f7f99082b 53 display(_display), sleep_time(500)
bluetooth_mdw 0:394f7f99082b 54 {
bluetooth_mdw 0:394f7f99082b 55 }
bluetooth_mdw 0:394f7f99082b 56
bluetooth_mdw 0:394f7f99082b 57 void Animator::setAnimationType(uint16_t animation)
bluetooth_mdw 0:394f7f99082b 58 {
bluetooth_mdw 0:394f7f99082b 59 pc.printf("Animator::setAnimationType %d\n",animation);
bluetooth_mdw 0:394f7f99082b 60 if (animation <= NUMBER_OF_ANIMATIONS) {
bluetooth_mdw 0:394f7f99082b 61 current_animation = animation;
bluetooth_mdw 0:394f7f99082b 62 pattern.clear();
bluetooth_mdw 0:394f7f99082b 63 display.clear();
bluetooth_mdw 0:394f7f99082b 64 switch (current_animation) {
bluetooth_mdw 0:394f7f99082b 65 case ANIMATION_TYPE_FLASH:
bluetooth_mdw 0:394f7f99082b 66 sleep_time = 500;
bluetooth_mdw 0:394f7f99082b 67 break;
bluetooth_mdw 0:394f7f99082b 68 case ANIMATION_TYPE_RIPPLE:
bluetooth_mdw 0:394f7f99082b 69 sleep_time = 100;
bluetooth_mdw 0:394f7f99082b 70 inx=0;
bluetooth_mdw 0:394f7f99082b 71 delta = 1;
bluetooth_mdw 0:394f7f99082b 72 break;
bluetooth_mdw 0:394f7f99082b 73 case ANIMATION_TYPE_SPIRAL:
bluetooth_mdw 0:394f7f99082b 74 sleep_time = 50;
bluetooth_mdw 0:394f7f99082b 75 break;
bluetooth_mdw 0:394f7f99082b 76 }
bluetooth_mdw 0:394f7f99082b 77 }
bluetooth_mdw 0:394f7f99082b 78 }
bluetooth_mdw 0:394f7f99082b 79
bluetooth_mdw 0:394f7f99082b 80 void Animator::start()
bluetooth_mdw 0:394f7f99082b 81 {
bluetooth_mdw 0:394f7f99082b 82 playing = 1;
bluetooth_mdw 0:394f7f99082b 83 MicroBitEvent(ANIMATION_STATUS_EVENT,ANIMATION_STATUS_BUSY);
bluetooth_mdw 0:394f7f99082b 84 }
bluetooth_mdw 0:394f7f99082b 85
bluetooth_mdw 0:394f7f99082b 86 void Animator::stop()
bluetooth_mdw 0:394f7f99082b 87 {
bluetooth_mdw 0:394f7f99082b 88 playing = 0;
bluetooth_mdw 0:394f7f99082b 89 display.clear();
bluetooth_mdw 0:394f7f99082b 90 MicroBitEvent(ANIMATION_STATUS_EVENT,ANIMATION_STATUS_FREE);
bluetooth_mdw 0:394f7f99082b 91 }
bluetooth_mdw 0:394f7f99082b 92
bluetooth_mdw 0:394f7f99082b 93 void Animator::faster()
bluetooth_mdw 0:394f7f99082b 94 {
bluetooth_mdw 0:394f7f99082b 95 }
bluetooth_mdw 0:394f7f99082b 96
bluetooth_mdw 0:394f7f99082b 97 void Animator::slower()
bluetooth_mdw 0:394f7f99082b 98 {
bluetooth_mdw 0:394f7f99082b 99 }
bluetooth_mdw 0:394f7f99082b 100
bluetooth_mdw 0:394f7f99082b 101 void Animator::ripple() {
bluetooth_mdw 0:394f7f99082b 102 int i=0;
bluetooth_mdw 0:394f7f99082b 103 for (i=0;i<25;i++) {
bluetooth_mdw 0:394f7f99082b 104 pattern.setPixelValue(i % 5 , floor(static_cast<double>(i / 5)), ripple_pixels[inx][i]);
bluetooth_mdw 0:394f7f99082b 105 }
bluetooth_mdw 0:394f7f99082b 106 display.image.paste(pattern);
bluetooth_mdw 0:394f7f99082b 107 inx = inx + delta;
bluetooth_mdw 0:394f7f99082b 108 if (inx == 3 || inx == 0) {
bluetooth_mdw 0:394f7f99082b 109 delta = delta * -1;
bluetooth_mdw 0:394f7f99082b 110 }
bluetooth_mdw 0:394f7f99082b 111 }
bluetooth_mdw 0:394f7f99082b 112
bluetooth_mdw 0:394f7f99082b 113 void Animator::flash() {
bluetooth_mdw 0:394f7f99082b 114 int i;
bluetooth_mdw 0:394f7f99082b 115 for (i=0;i<25;i++) {
bluetooth_mdw 0:394f7f99082b 116 pattern.setPixelValue(i % 5 , floor(static_cast<double>(i / 5)), flash_state * 255);
bluetooth_mdw 0:394f7f99082b 117 }
bluetooth_mdw 0:394f7f99082b 118 display.image.paste(pattern);
bluetooth_mdw 0:394f7f99082b 119 flash_state = !flash_state;
bluetooth_mdw 0:394f7f99082b 120 }
bluetooth_mdw 0:394f7f99082b 121
bluetooth_mdw 0:394f7f99082b 122 void Animator::spiral() {
bluetooth_mdw 0:394f7f99082b 123 int x = spiral_pixels[inx] % 5;
bluetooth_mdw 0:394f7f99082b 124 int y = floor(static_cast<double>(spiral_pixels[inx] / 5));
bluetooth_mdw 0:394f7f99082b 125 pattern.setPixelValue(x,y, pixel_value);
bluetooth_mdw 0:394f7f99082b 126 display.image.paste(pattern);
bluetooth_mdw 0:394f7f99082b 127 inx = inx + delta;
bluetooth_mdw 0:394f7f99082b 128 if (inx == 25 || inx == -1) {
bluetooth_mdw 0:394f7f99082b 129 delta = delta * -1;
bluetooth_mdw 0:394f7f99082b 130 inx = inx + delta;
bluetooth_mdw 0:394f7f99082b 131 if (pixel_value == 255) {
bluetooth_mdw 0:394f7f99082b 132 pixel_value = 0;
bluetooth_mdw 0:394f7f99082b 133 } else {
bluetooth_mdw 0:394f7f99082b 134 pixel_value = 255;
bluetooth_mdw 0:394f7f99082b 135 }
bluetooth_mdw 0:394f7f99082b 136 }
bluetooth_mdw 0:394f7f99082b 137 }