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Dependents:   YATTT sd_map_test cPong SnowDemo ... more

PokittoLib

Library for programming Pokitto hardware

How to Use

  1. Import this library to online compiler (see button "import" on the right hand side
  2. DO NOT import mbed-src anymore, a better version is now included inside PokittoLib
  3. Change My_settings.h according to your project
  4. Start coding!

POKITTO_CORE/PokittoPalette.cpp@43:6183b12dd99c, 2018-05-01 (annotated)

Committer:
Pokitto
Date:
Tue May 01 18:42:56 2018 +0000
Revision:
43:6183b12dd99c
Parent:
36:771321e70814 
New volume control;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 36:771321e70814 1 /**************************************************************************/
Pokitto 36:771321e70814 2 /*!
Pokitto 36:771321e70814 3 @file PokittoPalette.cpp
Pokitto 36:771321e70814 4 @author Jonne Valola
Pokitto 36:771321e70814 5
Pokitto 36:771321e70814 6 @section LICENSE
Pokitto 36:771321e70814 7
Pokitto 36:771321e70814 8 Software License Agreement (BSD License)
Pokitto 36:771321e70814 9
Pokitto 36:771321e70814 10 Copyright (c) 2016, Jonne Valola
Pokitto 36:771321e70814 11 All rights reserved.
Pokitto 36:771321e70814 12
Pokitto 36:771321e70814 13 Redistribution and use in source and binary forms, with or without
Pokitto 36:771321e70814 14 modification, are permitted provided that the following conditions are met:
Pokitto 36:771321e70814 15 1. Redistributions of source code must retain the above copyright
Pokitto 36:771321e70814 16 notice, this list of conditions and the following disclaimer.
Pokitto 36:771321e70814 17 2. Redistributions in binary form must reproduce the above copyright
Pokitto 36:771321e70814 18 notice, this list of conditions and the following disclaimer in the
Pokitto 36:771321e70814 19 documentation and/or other materials provided with the distribution.
Pokitto 36:771321e70814 20 3. Neither the name of the copyright holders nor the
Pokitto 36:771321e70814 21 names of its contributors may be used to endorse or promote products
Pokitto 36:771321e70814 22 derived from this software without specific prior written permission.
Pokitto 36:771321e70814 23
Pokitto 36:771321e70814 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
Pokitto 36:771321e70814 25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Pokitto 36:771321e70814 26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Pokitto 36:771321e70814 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
Pokitto 36:771321e70814 28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Pokitto 36:771321e70814 29 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Pokitto 36:771321e70814 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
Pokitto 36:771321e70814 31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Pokitto 36:771321e70814 32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Pokitto 36:771321e70814 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Pokitto 36:771321e70814 34 */
Pokitto 36:771321e70814 35 /**************************************************************************/
Pokitto 36:771321e70814 36
Pokitto 36:771321e70814 37 #include "PokittoDisplay.h"
Pokitto 36:771321e70814 38 #include "Pokitto_settings.h"
Pokitto 36:771321e70814 39 #include "GBcompatibility.h"
Pokitto 36:771321e70814 40 #include <stdio.h>
Pokitto 36:771321e70814 41 #include <string.h>
Pokitto 36:771321e70814 42
Pokitto 36:771321e70814 43 #ifndef POK_SIM
Pokitto 36:771321e70814 44 #include "HWLCD.h"
Pokitto 36:771321e70814 45 #else
Pokitto 36:771321e70814 46 #include "SimLCD.h"
Pokitto 36:771321e70814 47 #endif
Pokitto 36:771321e70814 48
Pokitto 36:771321e70814 49 using namespace Pokitto;
Pokitto 36:771321e70814 50
Pokitto 36:771321e70814 51
Pokitto 36:771321e70814 52 void Display::loadRGBPalette(const unsigned char* p) {
Pokitto 36:771321e70814 53 for (int i=0;i<PALETTE_SIZE;i++) palette[i] = RGBto565(p[i*3], p[i*3+1],p[i*3+2]);
Pokitto 36:771321e70814 54 paletteptr = palette;
Pokitto 36:771321e70814 55 }
Pokitto 36:771321e70814 56
Pokitto 36:771321e70814 57 void Display::load565Palette(const uint16_t* p) {
Pokitto 36:771321e70814 58 for (int i=0;i<PALETTE_SIZE;i++) palette[i] = p[i];
Pokitto 36:771321e70814 59 paletteptr = palette;
Pokitto 36:771321e70814 60 }
Pokitto 36:771321e70814 61
Pokitto 36:771321e70814 62 void Display::rotatePalette(int8_t step) {
Pokitto 36:771321e70814 63 #ifndef PROJ_MODE13
Pokitto 36:771321e70814 64 #define PALSIZE 16
Pokitto 36:771321e70814 65 #else
Pokitto 36:771321e70814 66 #define PALSIZE 256
Pokitto 36:771321e70814 67 #endif
Pokitto 36:771321e70814 68 uint16_t tpal[PALSIZE];
Pokitto 36:771321e70814 69 if (step == 0) return;
Pokitto 36:771321e70814 70 step = 0-step;
Pokitto 36:771321e70814 71 if (step>0) {
Pokitto 36:771321e70814 72 for (int i=step;i<PALSIZE;i++) tpal[i]=palette[i-step]; // palette revolves up, new color 1 becomes old color 0
Pokitto 36:771321e70814 73 for (int i=0; i < step; i++) tpal[i]=palette[PALSIZE-step+i]; // overflow topmost values to bottom of new palette
Pokitto 36:771321e70814 74 } else {
Pokitto 36:771321e70814 75 for (int i=0;i<PALSIZE+step;i++)
Pokitto 36:771321e70814 76 {
Pokitto 36:771321e70814 77 tpal[i]=palette[i-step];
Pokitto 36:771321e70814 78 }// palette revolves down, new color 0 becomes old color 1
Pokitto 36:771321e70814 79 for (int i=0;i<-step; i++) {
Pokitto 36:771321e70814 80 tpal[PALSIZE+step+i]=palette[i];
Pokitto 36:771321e70814 81 }
Pokitto 36:771321e70814 82 // overflow bottom values to top of new palette
Pokitto 36:771321e70814 83 }
Pokitto 36:771321e70814 84 for (int i=0; i<PALSIZE;i++) palette[i] = tpal[i];
Pokitto 36:771321e70814 85 }
Pokitto 36:771321e70814 86
Pokitto 36:771321e70814 87 uint16_t Display::RGBto565(uint8_t R,uint8_t G,uint8_t B) {
Pokitto 36:771321e70814 88 uint16_t color;
Pokitto 36:771321e70814 89 color = B>>3;
Pokitto 36:771321e70814 90 color |= ((G >> 2) << 5);
Pokitto 36:771321e70814 91 color |= ((R >> 3) << 11);
Pokitto 36:771321e70814 92 return color;
Pokitto 36:771321e70814 93 }
Pokitto 36:771321e70814 94
Pokitto 36:771321e70814 95 uint16_t Display::interpolateColor(uint16_t c1, uint16_t c2, uint8_t factor) {
Pokitto 36:771321e70814 96 int16_t R,G,B;
Pokitto 36:771321e70814 97 int16_t dR,dG,dB;
Pokitto 36:771321e70814 98 uint16_t color;
Pokitto 36:771321e70814 99
Pokitto 36:771321e70814 100 B = (c1 & 0x1F);
Pokitto 36:771321e70814 101 dB = (c2 & 0x1F)-B;
Pokitto 36:771321e70814 102 dB = (dB*factor)>>8;
Pokitto 36:771321e70814 103 B += dB;
Pokitto 36:771321e70814 104 if (B<0) B = 0;
Pokitto 36:771321e70814 105
Pokitto 36:771321e70814 106 G = ((c1>>5) & 0x3F);
Pokitto 36:771321e70814 107 dG = ((c2>>5) & 0x3F)-G;
Pokitto 36:771321e70814 108 dG = (dG*factor)>>8;
Pokitto 36:771321e70814 109 G += dG;
Pokitto 36:771321e70814 110 if (G<0) G=0;
Pokitto 36:771321e70814 111
Pokitto 36:771321e70814 112 R = (c1>>11);
Pokitto 36:771321e70814 113 dR = (c2>>11)-R;
Pokitto 36:771321e70814 114 dR = (dR*factor)>>8;
Pokitto 36:771321e70814 115 R += dR;
Pokitto 36:771321e70814 116 if (R<0) R=0;
Pokitto 36:771321e70814 117
Pokitto 36:771321e70814 118 color = B;
Pokitto 36:771321e70814 119 color |= (G << 5);
Pokitto 36:771321e70814 120 color |= (R << 11);
Pokitto 36:771321e70814 121 return color;
Pokitto 36:771321e70814 122 }
Pokitto 36:771321e70814 123
Pokitto 36:771321e70814 124 void Display::tweenPalette(uint16_t* ram_pal, const uint16_t* pal_1, const uint16_t* pal_2, uint8_t factor) {
Pokitto 36:771321e70814 125 for (uint8_t i = 0; i<16 ; i++) {
Pokitto 36:771321e70814 126 ram_pal[i] = interpolateColor(pal_1[i],pal_2[i],factor);
Pokitto 36:771321e70814 127 }
Pokitto 36:771321e70814 128 }
Pokitto 36:771321e70814 129
Pokitto 36:771321e70814 130
Pokitto 36:771321e70814 131
Pokitto 36:771321e70814 132