PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)
Dependents: YATTT sd_map_test cPong SnowDemo ... more
PokittoLib
Library for programming Pokitto hardware
How to Use
- Import this library to online compiler (see button "import" on the right hand side
- DO NOT import mbed-src anymore, a better version is now included inside PokittoLib
- Change My_settings.h according to your project
- Start coding!
POKITTO_CORE/PokittoPalette.cpp@66:6281a40d73e6, 2019-03-23 (annotated)
- Committer:
- Pokitto
- Date:
- Sat Mar 23 20:03:34 2019 +0000
- Revision:
- 66:6281a40d73e6
- Parent:
- 52:c04087025cab
Updated pokittolib to current embitz dev branch
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Pokitto | 52:c04087025cab | 1 | /**************************************************************************/ |
Pokitto | 52:c04087025cab | 2 | /*! |
Pokitto | 52:c04087025cab | 3 | @file PokittoPalette.cpp |
Pokitto | 52:c04087025cab | 4 | @author Jonne Valola |
Pokitto | 52:c04087025cab | 5 | |
Pokitto | 52:c04087025cab | 6 | @section LICENSE |
Pokitto | 52:c04087025cab | 7 | |
Pokitto | 52:c04087025cab | 8 | Software License Agreement (BSD License) |
Pokitto | 52:c04087025cab | 9 | |
Pokitto | 52:c04087025cab | 10 | Copyright (c) 2016, Jonne Valola |
Pokitto | 52:c04087025cab | 11 | All rights reserved. |
Pokitto | 52:c04087025cab | 12 | |
Pokitto | 52:c04087025cab | 13 | Redistribution and use in source and binary forms, with or without |
Pokitto | 52:c04087025cab | 14 | modification, are permitted provided that the following conditions are met: |
Pokitto | 52:c04087025cab | 15 | 1. Redistributions of source code must retain the above copyright |
Pokitto | 52:c04087025cab | 16 | notice, this list of conditions and the following disclaimer. |
Pokitto | 52:c04087025cab | 17 | 2. Redistributions in binary form must reproduce the above copyright |
Pokitto | 52:c04087025cab | 18 | notice, this list of conditions and the following disclaimer in the |
Pokitto | 52:c04087025cab | 19 | documentation and/or other materials provided with the distribution. |
Pokitto | 52:c04087025cab | 20 | 3. Neither the name of the copyright holders nor the |
Pokitto | 52:c04087025cab | 21 | names of its contributors may be used to endorse or promote products |
Pokitto | 52:c04087025cab | 22 | derived from this software without specific prior written permission. |
Pokitto | 52:c04087025cab | 23 | |
Pokitto | 52:c04087025cab | 24 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY |
Pokitto | 52:c04087025cab | 25 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
Pokitto | 52:c04087025cab | 26 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
Pokitto | 52:c04087025cab | 27 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY |
Pokitto | 52:c04087025cab | 28 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
Pokitto | 52:c04087025cab | 29 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
Pokitto | 52:c04087025cab | 30 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
Pokitto | 52:c04087025cab | 31 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
Pokitto | 52:c04087025cab | 32 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
Pokitto | 52:c04087025cab | 33 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Pokitto | 52:c04087025cab | 34 | */ |
Pokitto | 52:c04087025cab | 35 | /**************************************************************************/ |
Pokitto | 52:c04087025cab | 36 | |
Pokitto | 52:c04087025cab | 37 | #include "PokittoDisplay.h" |
Pokitto | 52:c04087025cab | 38 | #include "Pokitto_settings.h" |
Pokitto | 52:c04087025cab | 39 | #include "GBcompatibility.h" |
Pokitto | 52:c04087025cab | 40 | #include <stdio.h> |
Pokitto | 52:c04087025cab | 41 | #include <string.h> |
Pokitto | 52:c04087025cab | 42 | |
Pokitto | 52:c04087025cab | 43 | #ifndef POK_SIM |
Pokitto | 52:c04087025cab | 44 | #include "HWLCD.h" |
Pokitto | 52:c04087025cab | 45 | #else |
Pokitto | 52:c04087025cab | 46 | #include "SimLCD.h" |
Pokitto | 52:c04087025cab | 47 | #endif |
Pokitto | 52:c04087025cab | 48 | |
Pokitto | 66:6281a40d73e6 | 49 | #if PROJ_SCREENMODE != 13 && PROJ_SCREENMODE != 64 && !defined(PROJ_MODE13) && !defined(PROJ_MODE64) |
Pokitto | 52:c04087025cab | 50 | #define PALSIZE 16 |
Pokitto | 52:c04087025cab | 51 | #else |
Pokitto | 52:c04087025cab | 52 | #define PALSIZE 256 |
Pokitto | 52:c04087025cab | 53 | #endif |
Pokitto | 52:c04087025cab | 54 | |
Pokitto | 52:c04087025cab | 55 | using namespace Pokitto; |
Pokitto | 52:c04087025cab | 56 | |
Pokitto | 52:c04087025cab | 57 | |
Pokitto | 52:c04087025cab | 58 | void Display::loadRGBPalette(const unsigned char* p) { |
Pokitto | 52:c04087025cab | 59 | for (int i=0;i<PALSIZE;i++) palette[i] = RGBto565(p[i*3], p[i*3+1],p[i*3+2]); |
Pokitto | 52:c04087025cab | 60 | paletteptr = palette; |
Pokitto | 52:c04087025cab | 61 | } |
Pokitto | 52:c04087025cab | 62 | |
Pokitto | 52:c04087025cab | 63 | void Display::load565Palette(const uint16_t* p) { |
Pokitto | 52:c04087025cab | 64 | for (int i=0;i<PALSIZE;i++) palette[i] = p[i]; |
Pokitto | 52:c04087025cab | 65 | paletteptr = palette; |
Pokitto | 52:c04087025cab | 66 | } |
Pokitto | 52:c04087025cab | 67 | |
Pokitto | 52:c04087025cab | 68 | void Display::rotatePalette(int8_t step) { |
Pokitto | 52:c04087025cab | 69 | uint16_t tpal[PALSIZE]; |
Pokitto | 52:c04087025cab | 70 | if (step == 0) return; |
Pokitto | 52:c04087025cab | 71 | step = 0-step; |
Pokitto | 52:c04087025cab | 72 | if (step>0) { |
Pokitto | 52:c04087025cab | 73 | for (int i=step;i<PALSIZE;i++) tpal[i]=palette[i-step]; // palette revolves up, new color 1 becomes old color 0 |
Pokitto | 52:c04087025cab | 74 | for (int i=0; i < step; i++) tpal[i]=palette[PALSIZE-step+i]; // overflow topmost values to bottom of new palette |
Pokitto | 52:c04087025cab | 75 | } else { |
Pokitto | 52:c04087025cab | 76 | for (int i=0;i<PALSIZE+step;i++) |
Pokitto | 52:c04087025cab | 77 | { |
Pokitto | 52:c04087025cab | 78 | tpal[i]=palette[i-step]; |
Pokitto | 52:c04087025cab | 79 | }// palette revolves down, new color 0 becomes old color 1 |
Pokitto | 52:c04087025cab | 80 | for (int i=0;i<-step; i++) { |
Pokitto | 52:c04087025cab | 81 | tpal[PALSIZE+step+i]=palette[i]; |
Pokitto | 52:c04087025cab | 82 | } |
Pokitto | 52:c04087025cab | 83 | // overflow bottom values to top of new palette |
Pokitto | 52:c04087025cab | 84 | } |
Pokitto | 52:c04087025cab | 85 | for (int i=0; i<PALSIZE;i++) palette[i] = tpal[i]; |
Pokitto | 52:c04087025cab | 86 | } |
Pokitto | 52:c04087025cab | 87 | |
Pokitto | 52:c04087025cab | 88 | uint16_t Display::RGBto565(uint8_t R,uint8_t G,uint8_t B) { |
Pokitto | 52:c04087025cab | 89 | uint16_t color; |
Pokitto | 52:c04087025cab | 90 | color = B>>3; |
Pokitto | 52:c04087025cab | 91 | color |= ((G >> 2) << 5); |
Pokitto | 52:c04087025cab | 92 | color |= ((R >> 3) << 11); |
Pokitto | 52:c04087025cab | 93 | return color; |
Pokitto | 52:c04087025cab | 94 | } |
Pokitto | 52:c04087025cab | 95 | |
Pokitto | 52:c04087025cab | 96 | uint16_t Display::interpolateColor(uint16_t c1, uint16_t c2, uint8_t factor) { |
Pokitto | 52:c04087025cab | 97 | int16_t R,G,B; |
Pokitto | 52:c04087025cab | 98 | int16_t dR,dG,dB; |
Pokitto | 52:c04087025cab | 99 | uint16_t color; |
Pokitto | 52:c04087025cab | 100 | |
Pokitto | 52:c04087025cab | 101 | B = (c1 & 0x1F); |
Pokitto | 52:c04087025cab | 102 | dB = (c2 & 0x1F)-B; |
Pokitto | 52:c04087025cab | 103 | dB = (dB*factor)>>8; |
Pokitto | 52:c04087025cab | 104 | B += dB; |
Pokitto | 52:c04087025cab | 105 | if (B<0) B = 0; |
Pokitto | 52:c04087025cab | 106 | |
Pokitto | 52:c04087025cab | 107 | G = ((c1>>5) & 0x3F); |
Pokitto | 52:c04087025cab | 108 | dG = ((c2>>5) & 0x3F)-G; |
Pokitto | 52:c04087025cab | 109 | dG = (dG*factor)>>8; |
Pokitto | 52:c04087025cab | 110 | G += dG; |
Pokitto | 52:c04087025cab | 111 | if (G<0) G=0; |
Pokitto | 52:c04087025cab | 112 | |
Pokitto | 52:c04087025cab | 113 | R = (c1>>11); |
Pokitto | 52:c04087025cab | 114 | dR = (c2>>11)-R; |
Pokitto | 52:c04087025cab | 115 | dR = (dR*factor)>>8; |
Pokitto | 52:c04087025cab | 116 | R += dR; |
Pokitto | 52:c04087025cab | 117 | if (R<0) R=0; |
Pokitto | 52:c04087025cab | 118 | |
Pokitto | 52:c04087025cab | 119 | color = B; |
Pokitto | 52:c04087025cab | 120 | color |= (G << 5); |
Pokitto | 52:c04087025cab | 121 | color |= (R << 11); |
Pokitto | 52:c04087025cab | 122 | return color; |
Pokitto | 52:c04087025cab | 123 | } |
Pokitto | 52:c04087025cab | 124 | |
Pokitto | 52:c04087025cab | 125 | void Display::tweenPalette(uint16_t* ram_pal, const uint16_t* pal_1, const uint16_t* pal_2, uint8_t factor) { |
Pokitto | 52:c04087025cab | 126 | for (uint8_t i = 0; i<16 ; i++) { |
Pokitto | 52:c04087025cab | 127 | ram_pal[i] = interpolateColor(pal_1[i],pal_2[i],factor); |
Pokitto | 52:c04087025cab | 128 | } |
Pokitto | 52:c04087025cab | 129 | } |
Pokitto | 52:c04087025cab | 130 | |
Pokitto | 52:c04087025cab | 131 | |
Pokitto | 52:c04087025cab | 132 | |
Pokitto | 52:c04087025cab | 133 |