Christopher Lu / Mbed 2 deprecated PianoTiles

an mbed tile music game using a capacitive touchpad and uLCD

Dependencies:   SDFileSystem mbed wave_player

4DGL-uLCD-SE/uLCD_4DGL_Media.cpp@0:a1c374b9a4fe, 2016-03-14 (annotated)

Committer:
clu67
Date:
Mon Mar 14 00:26:24 2016 +0000
Revision:
0:a1c374b9a4fe
Initial Release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
clu67 0:a1c374b9a4fe 1 //
clu67 0:a1c374b9a4fe 2 // uLCD_4DGL is a class to drive 4D Systems LCD screens
clu67 0:a1c374b9a4fe 3 //
clu67 0:a1c374b9a4fe 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
clu67 0:a1c374b9a4fe 5 // Modifed for Goldelox processor <2013> Jim Hamblen
clu67 0:a1c374b9a4fe 6 //
clu67 0:a1c374b9a4fe 7 // uLCD_4DGL is free software: you can redistribute it and/or modify
clu67 0:a1c374b9a4fe 8 // it under the terms of the GNU General Public License as published by
clu67 0:a1c374b9a4fe 9 // the Free Software Foundation, either version 3 of the License, or
clu67 0:a1c374b9a4fe 10 // (at your option) any later version.
clu67 0:a1c374b9a4fe 11 //
clu67 0:a1c374b9a4fe 12 // uLCD_4DGL is distributed in the hope that it will be useful,
clu67 0:a1c374b9a4fe 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
clu67 0:a1c374b9a4fe 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
clu67 0:a1c374b9a4fe 15 // GNU General Public License for more details.
clu67 0:a1c374b9a4fe 16 //
clu67 0:a1c374b9a4fe 17 // You should have received a copy of the GNU General Public License
clu67 0:a1c374b9a4fe 18 // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>.
clu67 0:a1c374b9a4fe 19
clu67 0:a1c374b9a4fe 20 #include "mbed.h"
clu67 0:a1c374b9a4fe 21 #include "uLCD_4DGL.h"
clu67 0:a1c374b9a4fe 22
clu67 0:a1c374b9a4fe 23
clu67 0:a1c374b9a4fe 24 //Media Commands
clu67 0:a1c374b9a4fe 25
clu67 0:a1c374b9a4fe 26 //******************************************************************************************************
clu67 0:a1c374b9a4fe 27 int uLCD_4DGL :: media_init()
clu67 0:a1c374b9a4fe 28 {
clu67 0:a1c374b9a4fe 29 int resp = 0;
clu67 0:a1c374b9a4fe 30 char command[1] = "";
clu67 0:a1c374b9a4fe 31 command[0] = MINIT;
clu67 0:a1c374b9a4fe 32 writeCOMMAND(command, 1);
clu67 0:a1c374b9a4fe 33 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
clu67 0:a1c374b9a4fe 34 if (_cmd.readable()) {
clu67 0:a1c374b9a4fe 35 resp = _cmd.getc(); // read response
clu67 0:a1c374b9a4fe 36 resp = resp << 8 + _cmd.getc();
clu67 0:a1c374b9a4fe 37 }
clu67 0:a1c374b9a4fe 38 return resp;
clu67 0:a1c374b9a4fe 39 }
clu67 0:a1c374b9a4fe 40
clu67 0:a1c374b9a4fe 41 //******************************************************************************************************
clu67 0:a1c374b9a4fe 42 void uLCD_4DGL :: set_byte_address(int hi, int lo)
clu67 0:a1c374b9a4fe 43 {
clu67 0:a1c374b9a4fe 44 char command[5]= "";
clu67 0:a1c374b9a4fe 45 command[0] = SBADDRESS;
clu67 0:a1c374b9a4fe 46
clu67 0:a1c374b9a4fe 47 command[1] = (hi >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 48 command[2] = hi & 0xFF;
clu67 0:a1c374b9a4fe 49
clu67 0:a1c374b9a4fe 50 command[3] = (lo >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 51 command[4] = lo & 0xFF;
clu67 0:a1c374b9a4fe 52 writeCOMMAND(command, 5);
clu67 0:a1c374b9a4fe 53 }
clu67 0:a1c374b9a4fe 54
clu67 0:a1c374b9a4fe 55 //******************************************************************************************************
clu67 0:a1c374b9a4fe 56 void uLCD_4DGL :: set_sector_address(int hi, int lo)
clu67 0:a1c374b9a4fe 57 {
clu67 0:a1c374b9a4fe 58
clu67 0:a1c374b9a4fe 59 char command[5]= "";
clu67 0:a1c374b9a4fe 60 command[0] = SSADDRESS;
clu67 0:a1c374b9a4fe 61
clu67 0:a1c374b9a4fe 62 command[1] = (hi >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 63 command[2] = hi & 0xFF;
clu67 0:a1c374b9a4fe 64
clu67 0:a1c374b9a4fe 65 command[3] = (lo >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 66 command[4] = lo & 0xFF;
clu67 0:a1c374b9a4fe 67 writeCOMMAND(command, 5);
clu67 0:a1c374b9a4fe 68 }
clu67 0:a1c374b9a4fe 69
clu67 0:a1c374b9a4fe 70 //******************************************************************************************************
clu67 0:a1c374b9a4fe 71 char uLCD_4DGL :: read_byte()
clu67 0:a1c374b9a4fe 72 {
clu67 0:a1c374b9a4fe 73 char resp = 0;
clu67 0:a1c374b9a4fe 74 char command[1] = "";
clu67 0:a1c374b9a4fe 75 command[0] = READBYTE;
clu67 0:a1c374b9a4fe 76 writeCOMMAND(command, 1);
clu67 0:a1c374b9a4fe 77 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
clu67 0:a1c374b9a4fe 78 if (_cmd.readable()) {
clu67 0:a1c374b9a4fe 79 resp = _cmd.getc(); // read response
clu67 0:a1c374b9a4fe 80 resp = _cmd.getc();
clu67 0:a1c374b9a4fe 81 }
clu67 0:a1c374b9a4fe 82 return resp;
clu67 0:a1c374b9a4fe 83 }
clu67 0:a1c374b9a4fe 84
clu67 0:a1c374b9a4fe 85 //******************************************************************************************************
clu67 0:a1c374b9a4fe 86 int uLCD_4DGL :: read_word()
clu67 0:a1c374b9a4fe 87 {
clu67 0:a1c374b9a4fe 88 int resp=0;
clu67 0:a1c374b9a4fe 89 char command[1] = "";
clu67 0:a1c374b9a4fe 90 command[0] = READWORD;
clu67 0:a1c374b9a4fe 91 writeCOMMAND(command, 1);
clu67 0:a1c374b9a4fe 92 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
clu67 0:a1c374b9a4fe 93 if (_cmd.readable()) {
clu67 0:a1c374b9a4fe 94 resp = _cmd.getc(); // read response
clu67 0:a1c374b9a4fe 95 resp = resp << 8 + _cmd.getc();
clu67 0:a1c374b9a4fe 96 }
clu67 0:a1c374b9a4fe 97 return resp;
clu67 0:a1c374b9a4fe 98 }
clu67 0:a1c374b9a4fe 99
clu67 0:a1c374b9a4fe 100 //******************************************************************************************************
clu67 0:a1c374b9a4fe 101 void uLCD_4DGL :: write_byte(int value)
clu67 0:a1c374b9a4fe 102 {
clu67 0:a1c374b9a4fe 103 char command[3]= "";
clu67 0:a1c374b9a4fe 104
clu67 0:a1c374b9a4fe 105 command[0] = WRITEBYTE;
clu67 0:a1c374b9a4fe 106
clu67 0:a1c374b9a4fe 107 command[1] = (value >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 108 command[2] = value & 0xFF;
clu67 0:a1c374b9a4fe 109 writeCOMMAND(command,3);
clu67 0:a1c374b9a4fe 110 }
clu67 0:a1c374b9a4fe 111
clu67 0:a1c374b9a4fe 112 //******************************************************************************************************
clu67 0:a1c374b9a4fe 113 void uLCD_4DGL :: write_word(int value)
clu67 0:a1c374b9a4fe 114 {
clu67 0:a1c374b9a4fe 115 char command[3]= "";
clu67 0:a1c374b9a4fe 116
clu67 0:a1c374b9a4fe 117 command[0] = WRITEWORD;
clu67 0:a1c374b9a4fe 118
clu67 0:a1c374b9a4fe 119 command[1] = (value >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 120 command[2] = value & 0xFF;
clu67 0:a1c374b9a4fe 121 writeCOMMAND(command,3);
clu67 0:a1c374b9a4fe 122 }
clu67 0:a1c374b9a4fe 123
clu67 0:a1c374b9a4fe 124 //******************************************************************************************************
clu67 0:a1c374b9a4fe 125 void uLCD_4DGL :: flush_media()
clu67 0:a1c374b9a4fe 126 {
clu67 0:a1c374b9a4fe 127 char command[1] = "";
clu67 0:a1c374b9a4fe 128 command[0] = FLUSHMEDIA;
clu67 0:a1c374b9a4fe 129 writeCOMMAND(command, 1);
clu67 0:a1c374b9a4fe 130 }
clu67 0:a1c374b9a4fe 131
clu67 0:a1c374b9a4fe 132 //******************************************************************************************************
clu67 0:a1c374b9a4fe 133 void uLCD_4DGL :: display_image(int x, int y)
clu67 0:a1c374b9a4fe 134 {
clu67 0:a1c374b9a4fe 135 char command[6]= "";
clu67 0:a1c374b9a4fe 136 command[0] = DISPLAYIMAGE;
clu67 0:a1c374b9a4fe 137
clu67 0:a1c374b9a4fe 138 command[1] = (x >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 139 command[2] = x & 0xFF;
clu67 0:a1c374b9a4fe 140
clu67 0:a1c374b9a4fe 141 command[3] = (y >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 142 command[4] = y & 0xFF;
clu67 0:a1c374b9a4fe 143 writeCOMMAND(command, 5);
clu67 0:a1c374b9a4fe 144 }
clu67 0:a1c374b9a4fe 145
clu67 0:a1c374b9a4fe 146 //******************************************************************************************************
clu67 0:a1c374b9a4fe 147 void uLCD_4DGL :: display_video(int x, int y)
clu67 0:a1c374b9a4fe 148 {
clu67 0:a1c374b9a4fe 149 char command[5]= "";
clu67 0:a1c374b9a4fe 150 command[0] = DISPLAYVIDEO;
clu67 0:a1c374b9a4fe 151
clu67 0:a1c374b9a4fe 152 command[1] = (x >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 153 command[2] = x & 0xFF;
clu67 0:a1c374b9a4fe 154
clu67 0:a1c374b9a4fe 155 command[3] = (y >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 156 command[4] = y & 0xFF;
clu67 0:a1c374b9a4fe 157 writeCOMMAND(command, 5);
clu67 0:a1c374b9a4fe 158 }
clu67 0:a1c374b9a4fe 159
clu67 0:a1c374b9a4fe 160 //******************************************************************************************************
clu67 0:a1c374b9a4fe 161 void uLCD_4DGL :: display_frame(int x, int y, int w)
clu67 0:a1c374b9a4fe 162 {
clu67 0:a1c374b9a4fe 163 char command[7]= "";
clu67 0:a1c374b9a4fe 164
clu67 0:a1c374b9a4fe 165 command[0] = DISPLAYFRAME;
clu67 0:a1c374b9a4fe 166
clu67 0:a1c374b9a4fe 167 command[1] = (x >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 168 command[2] = x & 0xFF;
clu67 0:a1c374b9a4fe 169
clu67 0:a1c374b9a4fe 170 command[3] = (y >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 171 command[4] = y & 0xFF;
clu67 0:a1c374b9a4fe 172
clu67 0:a1c374b9a4fe 173 command[5] = (w >> 8) & 0xFF;
clu67 0:a1c374b9a4fe 174 command[6] = w & 0xFF;
clu67 0:a1c374b9a4fe 175 writeCOMMAND(command,7);
clu67 0:a1c374b9a4fe 176 }
clu67 0:a1c374b9a4fe 177
clu67 0:a1c374b9a4fe 178