Platform library for RETRO
Retro.cpp@0:6f26c31d8573, 2015-03-01 (annotated)
- Committer:
- Architect
- Date:
- Sun Mar 01 05:29:45 2015 +0000
- Revision:
- 0:6f26c31d8573
RetroPlatform Library for RETRO gaming system
Who changed what in which revision?
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Architect | 0:6f26c31d8573 | 1 | /* |
Architect | 0:6f26c31d8573 | 2 | * (C) Copyright 2015 Valentin Ivanov. All rights reserved. |
Architect | 0:6f26c31d8573 | 3 | * |
Architect | 0:6f26c31d8573 | 4 | * This file is part of the RetroPlatform Library |
Architect | 0:6f26c31d8573 | 5 | * |
Architect | 0:6f26c31d8573 | 6 | * The RetroPlatform Library is free software: you can redistribute it and/or modify |
Architect | 0:6f26c31d8573 | 7 | * it under the terms of the GNU Lesser General Public License as published by |
Architect | 0:6f26c31d8573 | 8 | * the Free Software Foundation, either version 3 of the License, or |
Architect | 0:6f26c31d8573 | 9 | * (at your option) any later version. |
Architect | 0:6f26c31d8573 | 10 | * |
Architect | 0:6f26c31d8573 | 11 | * This program is distributed in the hope that it will be useful, |
Architect | 0:6f26c31d8573 | 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
Architect | 0:6f26c31d8573 | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Architect | 0:6f26c31d8573 | 14 | * GNU Lesser General Public License for more details. |
Architect | 0:6f26c31d8573 | 15 | * |
Architect | 0:6f26c31d8573 | 16 | * You should have received a copy of the GNU Lesser General Public License |
Architect | 0:6f26c31d8573 | 17 | * along with this program. If not, see <http://www.gnu.org/licenses/> |
Architect | 0:6f26c31d8573 | 18 | * |
Architect | 0:6f26c31d8573 | 19 | * This library is inspired by Gamebuino Library (http://gamebuino.com) |
Architect | 0:6f26c31d8573 | 20 | * from Aurélien Rodot. |
Architect | 0:6f26c31d8573 | 21 | */ |
Architect | 0:6f26c31d8573 | 22 | #include "Retro.h" |
Architect | 0:6f26c31d8573 | 23 | #include "us_ticker_api.h" |
Architect | 0:6f26c31d8573 | 24 | |
Architect | 0:6f26c31d8573 | 25 | const uint16_t OKSequence[] = {0x0005,0x138,0x168,0x0000}; |
Architect | 0:6f26c31d8573 | 26 | const uint16_t CancelSequence[] = {0x0005,0x168,0x138,0x0000}; |
Architect | 0:6f26c31d8573 | 27 | const uint16_t TickSequence[] = {0x0045,0x168,0x0000}; |
Architect | 0:6f26c31d8573 | 28 | |
Architect | 0:6f26c31d8573 | 29 | DigitalIn Retro::pin[NUM_BTN] = { |
Architect | 0:6f26c31d8573 | 30 | DigitalIn(P0_14, PullUp), //left |
Architect | 0:6f26c31d8573 | 31 | DigitalIn(P0_11, PullUp), //right |
Architect | 0:6f26c31d8573 | 32 | DigitalIn(P0_12, PullUp), //down |
Architect | 0:6f26c31d8573 | 33 | DigitalIn(P0_13, PullUp), //up |
Architect | 0:6f26c31d8573 | 34 | DigitalIn(P0_16, PullUp), //robot |
Architect | 0:6f26c31d8573 | 35 | DigitalIn(P0_1, PullUp) //ship |
Architect | 0:6f26c31d8573 | 36 | }; |
Architect | 0:6f26c31d8573 | 37 | |
Architect | 0:6f26c31d8573 | 38 | Retro::Retro(): display( |
Architect | 0:6f26c31d8573 | 39 | P0_19, |
Architect | 0:6f26c31d8573 | 40 | P0_20, |
Architect | 0:6f26c31d8573 | 41 | P0_7, |
Architect | 0:6f26c31d8573 | 42 | P0_21, |
Architect | 0:6f26c31d8573 | 43 | P0_22, |
Architect | 0:6f26c31d8573 | 44 | P1_15, |
Architect | 0:6f26c31d8573 | 45 | P0_2, |
Architect | 0:6f26c31d8573 | 46 | LCD_ST7735::RGB), leftEye(P0_9,false), rightEye(P0_8,false) |
Architect | 0:6f26c31d8573 | 47 | { |
Architect | 0:6f26c31d8573 | 48 | initialize(); |
Architect | 0:6f26c31d8573 | 49 | } |
Architect | 0:6f26c31d8573 | 50 | |
Architect | 0:6f26c31d8573 | 51 | |
Architect | 0:6f26c31d8573 | 52 | void Retro::initialize() |
Architect | 0:6f26c31d8573 | 53 | { |
Architect | 0:6f26c31d8573 | 54 | timePerFrame = 50000; |
Architect | 0:6f26c31d8573 | 55 | frameStartUs = us_ticker_read(); |
Architect | 0:6f26c31d8573 | 56 | |
Architect | 0:6f26c31d8573 | 57 | display.setOrientation(LCD_ST7735::Rotate270, false); |
Architect | 0:6f26c31d8573 | 58 | display.setForegroundColor(Color565::White); |
Architect | 0:6f26c31d8573 | 59 | display.setBackgroundColor(Color565::Black); |
Architect | 0:6f26c31d8573 | 60 | |
Architect | 0:6f26c31d8573 | 61 | sound.initialize(); |
Architect | 0:6f26c31d8573 | 62 | sound.setVolume(1); |
Architect | 0:6f26c31d8573 | 63 | |
Architect | 0:6f26c31d8573 | 64 | setFrameRate(20); |
Architect | 0:6f26c31d8573 | 65 | } |
Architect | 0:6f26c31d8573 | 66 | |
Architect | 0:6f26c31d8573 | 67 | void Retro::setFrameRate(uint8_t fps) |
Architect | 0:6f26c31d8573 | 68 | { |
Architect | 0:6f26c31d8573 | 69 | timePerFrame = 1000000 / fps; |
Architect | 0:6f26c31d8573 | 70 | sound.prescaler = fps / 20; |
Architect | 0:6f26c31d8573 | 71 | sound.prescaler = max(1, sound.prescaler); |
Architect | 0:6f26c31d8573 | 72 | } |
Architect | 0:6f26c31d8573 | 73 | |
Architect | 0:6f26c31d8573 | 74 | bool once = false; |
Architect | 0:6f26c31d8573 | 75 | |
Architect | 0:6f26c31d8573 | 76 | bool Retro::update() |
Architect | 0:6f26c31d8573 | 77 | { |
Architect | 0:6f26c31d8573 | 78 | uint32_t current_time = us_ticker_read(); |
Architect | 0:6f26c31d8573 | 79 | frameDurationUs = current_time - frameStartUs; |
Architect | 0:6f26c31d8573 | 80 | |
Architect | 0:6f26c31d8573 | 81 | if( frameDurationUs > timePerFrame ) { |
Architect | 0:6f26c31d8573 | 82 | frameStartUs = current_time; |
Architect | 0:6f26c31d8573 | 83 | |
Architect | 0:6f26c31d8573 | 84 | |
Architect | 0:6f26c31d8573 | 85 | once = false; |
Architect | 0:6f26c31d8573 | 86 | |
Architect | 0:6f26c31d8573 | 87 | readButtons(); |
Architect | 0:6f26c31d8573 | 88 | return true; |
Architect | 0:6f26c31d8573 | 89 | } else { |
Architect | 0:6f26c31d8573 | 90 | if( !once ) { |
Architect | 0:6f26c31d8573 | 91 | once = true; |
Architect | 0:6f26c31d8573 | 92 | sound.update(); |
Architect | 0:6f26c31d8573 | 93 | |
Architect | 0:6f26c31d8573 | 94 | } |
Architect | 0:6f26c31d8573 | 95 | return false; |
Architect | 0:6f26c31d8573 | 96 | } |
Architect | 0:6f26c31d8573 | 97 | } |
Architect | 0:6f26c31d8573 | 98 | |
Architect | 0:6f26c31d8573 | 99 | void Retro::playOK() |
Architect | 0:6f26c31d8573 | 100 | { |
Architect | 0:6f26c31d8573 | 101 | sound.playSequence(OKSequence,0); |
Architect | 0:6f26c31d8573 | 102 | } |
Architect | 0:6f26c31d8573 | 103 | |
Architect | 0:6f26c31d8573 | 104 | void Retro::playCancel() |
Architect | 0:6f26c31d8573 | 105 | { |
Architect | 0:6f26c31d8573 | 106 | sound.playSequence(CancelSequence,0); |
Architect | 0:6f26c31d8573 | 107 | } |
Architect | 0:6f26c31d8573 | 108 | |
Architect | 0:6f26c31d8573 | 109 | void Retro::playTick() |
Architect | 0:6f26c31d8573 | 110 | { |
Architect | 0:6f26c31d8573 | 111 | sound.playSequence(TickSequence,0); |
Architect | 0:6f26c31d8573 | 112 | } |
Architect | 0:6f26c31d8573 | 113 | |
Architect | 0:6f26c31d8573 | 114 | bool Retro::collideCheck( int x1, int y1, int w1, int h1, int x2, int y2, int w2, int h2) |
Architect | 0:6f26c31d8573 | 115 | { |
Architect | 0:6f26c31d8573 | 116 | return !( x2 >= x1+w1 || x1 >= x2+w2 || y2 >= y1+h1 || y1 >= y2 + h2 ); |
Architect | 0:6f26c31d8573 | 117 | } |
Architect | 0:6f26c31d8573 | 118 | |
Architect | 0:6f26c31d8573 | 119 | //Buttons |
Architect | 0:6f26c31d8573 | 120 | void Retro::readButtons() |
Architect | 0:6f26c31d8573 | 121 | { |
Architect | 0:6f26c31d8573 | 122 | for (uint8_t thisButton = 0; thisButton < NUM_BTN; thisButton++) { |
Architect | 0:6f26c31d8573 | 123 | if ( pin[thisButton].read() == 0 ) { |
Architect | 0:6f26c31d8573 | 124 | _state[thisButton]++; |
Architect | 0:6f26c31d8573 | 125 | } else { |
Architect | 0:6f26c31d8573 | 126 | if (_state[thisButton] == 0) |
Architect | 0:6f26c31d8573 | 127 | continue; |
Architect | 0:6f26c31d8573 | 128 | if (_state[thisButton] == 0xFF) |
Architect | 0:6f26c31d8573 | 129 | _state[thisButton] = 0; |
Architect | 0:6f26c31d8573 | 130 | else |
Architect | 0:6f26c31d8573 | 131 | _state[thisButton] = 0xFF; |
Architect | 0:6f26c31d8573 | 132 | } |
Architect | 0:6f26c31d8573 | 133 | } |
Architect | 0:6f26c31d8573 | 134 | } |
Architect | 0:6f26c31d8573 | 135 | |
Architect | 0:6f26c31d8573 | 136 | bool Retro::pressed(uint8_t button) |
Architect | 0:6f26c31d8573 | 137 | { |
Architect | 0:6f26c31d8573 | 138 | if (_state[button] == 1) |
Architect | 0:6f26c31d8573 | 139 | return true; |
Architect | 0:6f26c31d8573 | 140 | else |
Architect | 0:6f26c31d8573 | 141 | return false; |
Architect | 0:6f26c31d8573 | 142 | } |
Architect | 0:6f26c31d8573 | 143 | |
Architect | 0:6f26c31d8573 | 144 | bool Retro::released(uint8_t button) |
Architect | 0:6f26c31d8573 | 145 | { |
Architect | 0:6f26c31d8573 | 146 | if (_state[button] == 0xFF) |
Architect | 0:6f26c31d8573 | 147 | return true; |
Architect | 0:6f26c31d8573 | 148 | else |
Architect | 0:6f26c31d8573 | 149 | return false; |
Architect | 0:6f26c31d8573 | 150 | } |
Architect | 0:6f26c31d8573 | 151 | |
Architect | 0:6f26c31d8573 | 152 | bool Retro::held(uint8_t button, uint8_t time) |
Architect | 0:6f26c31d8573 | 153 | { |
Architect | 0:6f26c31d8573 | 154 | if(_state[button] == (time+1)) |
Architect | 0:6f26c31d8573 | 155 | return true; |
Architect | 0:6f26c31d8573 | 156 | else |
Architect | 0:6f26c31d8573 | 157 | return false; |
Architect | 0:6f26c31d8573 | 158 | } |
Architect | 0:6f26c31d8573 | 159 | |
Architect | 0:6f26c31d8573 | 160 | bool Retro::repeat(uint8_t button, uint8_t period) |
Architect | 0:6f26c31d8573 | 161 | { |
Architect | 0:6f26c31d8573 | 162 | if (period <= 1) { |
Architect | 0:6f26c31d8573 | 163 | if ((_state[button] != 0xFF) && (_state[button])) |
Architect | 0:6f26c31d8573 | 164 | return true; |
Architect | 0:6f26c31d8573 | 165 | } else { |
Architect | 0:6f26c31d8573 | 166 | if ((_state[button] != 0xFF) && ((_state[button] % period) == 1)) |
Architect | 0:6f26c31d8573 | 167 | return true; |
Architect | 0:6f26c31d8573 | 168 | } |
Architect | 0:6f26c31d8573 | 169 | return false; |
Architect | 0:6f26c31d8573 | 170 | } |
Architect | 0:6f26c31d8573 | 171 | |
Architect | 0:6f26c31d8573 | 172 | uint8_t Retro::timeHeld(uint8_t button) |
Architect | 0:6f26c31d8573 | 173 | { |
Architect | 0:6f26c31d8573 | 174 | if(_state[button] != 0xFF) |
Architect | 0:6f26c31d8573 | 175 | return _state[button]; |
Architect | 0:6f26c31d8573 | 176 | else |
Architect | 0:6f26c31d8573 | 177 | return 0; |
Architect | 0:6f26c31d8573 | 178 | |
Architect | 0:6f26c31d8573 | 179 | } |