Extended library to include a screensaver
Fork of 4DGL-uLCD-SE by
uLCD_4DGL_Media.cpp@0:975087cba076, 2015-03-13 (annotated)
- Committer:
- jdanner3
- Date:
- Fri Mar 13 08:41:02 2015 +0000
- Revision:
- 0:975087cba076
Added screensaver support
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jdanner3 | 0:975087cba076 | 1 | // |
jdanner3 | 0:975087cba076 | 2 | // uLCD_4DGL is a class to drive 4D Systems LCD screens |
jdanner3 | 0:975087cba076 | 3 | // |
jdanner3 | 0:975087cba076 | 4 | // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> |
jdanner3 | 0:975087cba076 | 5 | // Modifed for Goldelox processor <2013> Jim Hamblen |
jdanner3 | 0:975087cba076 | 6 | // |
jdanner3 | 0:975087cba076 | 7 | // uLCD_4DGL is free software: you can redistribute it and/or modify |
jdanner3 | 0:975087cba076 | 8 | // it under the terms of the GNU General Public License as published by |
jdanner3 | 0:975087cba076 | 9 | // the Free Software Foundation, either version 3 of the License, or |
jdanner3 | 0:975087cba076 | 10 | // (at your option) any later version. |
jdanner3 | 0:975087cba076 | 11 | // |
jdanner3 | 0:975087cba076 | 12 | // uLCD_4DGL is distributed in the hope that it will be useful, |
jdanner3 | 0:975087cba076 | 13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
jdanner3 | 0:975087cba076 | 14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
jdanner3 | 0:975087cba076 | 15 | // GNU General Public License for more details. |
jdanner3 | 0:975087cba076 | 16 | // |
jdanner3 | 0:975087cba076 | 17 | // You should have received a copy of the GNU General Public License |
jdanner3 | 0:975087cba076 | 18 | // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>. |
jdanner3 | 0:975087cba076 | 19 | |
jdanner3 | 0:975087cba076 | 20 | #include "mbed.h" |
jdanner3 | 0:975087cba076 | 21 | #include "uLCD_4DGL.h" |
jdanner3 | 0:975087cba076 | 22 | |
jdanner3 | 0:975087cba076 | 23 | |
jdanner3 | 0:975087cba076 | 24 | //Media Commands |
jdanner3 | 0:975087cba076 | 25 | |
jdanner3 | 0:975087cba076 | 26 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 27 | int uLCD_4DGL :: media_init() |
jdanner3 | 0:975087cba076 | 28 | { |
jdanner3 | 0:975087cba076 | 29 | int resp = 0; |
jdanner3 | 0:975087cba076 | 30 | char command[1] = ""; |
jdanner3 | 0:975087cba076 | 31 | command[0] = MINIT; |
jdanner3 | 0:975087cba076 | 32 | writeCOMMAND(command, 1); |
jdanner3 | 0:975087cba076 | 33 | while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer |
jdanner3 | 0:975087cba076 | 34 | if (_cmd.readable()) { |
jdanner3 | 0:975087cba076 | 35 | resp = _cmd.getc(); // read response |
jdanner3 | 0:975087cba076 | 36 | resp = resp << 8 + _cmd.getc(); |
jdanner3 | 0:975087cba076 | 37 | } |
jdanner3 | 0:975087cba076 | 38 | return resp; |
jdanner3 | 0:975087cba076 | 39 | } |
jdanner3 | 0:975087cba076 | 40 | |
jdanner3 | 0:975087cba076 | 41 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 42 | void uLCD_4DGL :: set_byte_address(int hi, int lo) |
jdanner3 | 0:975087cba076 | 43 | { |
jdanner3 | 0:975087cba076 | 44 | char command[5]= ""; |
jdanner3 | 0:975087cba076 | 45 | command[0] = SBADDRESS; |
jdanner3 | 0:975087cba076 | 46 | |
jdanner3 | 0:975087cba076 | 47 | command[1] = (hi >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 48 | command[2] = hi & 0xFF; |
jdanner3 | 0:975087cba076 | 49 | |
jdanner3 | 0:975087cba076 | 50 | command[3] = (lo >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 51 | command[4] = lo & 0xFF; |
jdanner3 | 0:975087cba076 | 52 | writeCOMMAND(command, 5); |
jdanner3 | 0:975087cba076 | 53 | } |
jdanner3 | 0:975087cba076 | 54 | |
jdanner3 | 0:975087cba076 | 55 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 56 | void uLCD_4DGL :: set_sector_address(int hi, int lo) |
jdanner3 | 0:975087cba076 | 57 | { |
jdanner3 | 0:975087cba076 | 58 | |
jdanner3 | 0:975087cba076 | 59 | char command[5]= ""; |
jdanner3 | 0:975087cba076 | 60 | command[0] = SSADDRESS; |
jdanner3 | 0:975087cba076 | 61 | |
jdanner3 | 0:975087cba076 | 62 | command[1] = (hi >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 63 | command[2] = hi & 0xFF; |
jdanner3 | 0:975087cba076 | 64 | |
jdanner3 | 0:975087cba076 | 65 | command[3] = (lo >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 66 | command[4] = lo & 0xFF; |
jdanner3 | 0:975087cba076 | 67 | writeCOMMAND(command, 5); |
jdanner3 | 0:975087cba076 | 68 | } |
jdanner3 | 0:975087cba076 | 69 | |
jdanner3 | 0:975087cba076 | 70 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 71 | char uLCD_4DGL :: read_byte() |
jdanner3 | 0:975087cba076 | 72 | { |
jdanner3 | 0:975087cba076 | 73 | char resp = 0; |
jdanner3 | 0:975087cba076 | 74 | char command[1] = ""; |
jdanner3 | 0:975087cba076 | 75 | command[0] = READBYTE; |
jdanner3 | 0:975087cba076 | 76 | writeCOMMAND(command, 1); |
jdanner3 | 0:975087cba076 | 77 | while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer |
jdanner3 | 0:975087cba076 | 78 | if (_cmd.readable()) { |
jdanner3 | 0:975087cba076 | 79 | resp = _cmd.getc(); // read response |
jdanner3 | 0:975087cba076 | 80 | resp = _cmd.getc(); |
jdanner3 | 0:975087cba076 | 81 | } |
jdanner3 | 0:975087cba076 | 82 | return resp; |
jdanner3 | 0:975087cba076 | 83 | } |
jdanner3 | 0:975087cba076 | 84 | |
jdanner3 | 0:975087cba076 | 85 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 86 | int uLCD_4DGL :: read_word() |
jdanner3 | 0:975087cba076 | 87 | { |
jdanner3 | 0:975087cba076 | 88 | int resp=0; |
jdanner3 | 0:975087cba076 | 89 | char command[1] = ""; |
jdanner3 | 0:975087cba076 | 90 | command[0] = READWORD; |
jdanner3 | 0:975087cba076 | 91 | writeCOMMAND(command, 1); |
jdanner3 | 0:975087cba076 | 92 | while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer |
jdanner3 | 0:975087cba076 | 93 | if (_cmd.readable()) { |
jdanner3 | 0:975087cba076 | 94 | resp = _cmd.getc(); // read response |
jdanner3 | 0:975087cba076 | 95 | resp = resp << 8 + _cmd.getc(); |
jdanner3 | 0:975087cba076 | 96 | } |
jdanner3 | 0:975087cba076 | 97 | return resp; |
jdanner3 | 0:975087cba076 | 98 | } |
jdanner3 | 0:975087cba076 | 99 | |
jdanner3 | 0:975087cba076 | 100 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 101 | void uLCD_4DGL :: write_byte(int value) |
jdanner3 | 0:975087cba076 | 102 | { |
jdanner3 | 0:975087cba076 | 103 | char command[3]= ""; |
jdanner3 | 0:975087cba076 | 104 | |
jdanner3 | 0:975087cba076 | 105 | command[0] = WRITEBYTE; |
jdanner3 | 0:975087cba076 | 106 | |
jdanner3 | 0:975087cba076 | 107 | command[1] = (value >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 108 | command[2] = value & 0xFF; |
jdanner3 | 0:975087cba076 | 109 | writeCOMMAND(command,3); |
jdanner3 | 0:975087cba076 | 110 | } |
jdanner3 | 0:975087cba076 | 111 | |
jdanner3 | 0:975087cba076 | 112 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 113 | void uLCD_4DGL :: write_word(int value) |
jdanner3 | 0:975087cba076 | 114 | { |
jdanner3 | 0:975087cba076 | 115 | char command[3]= ""; |
jdanner3 | 0:975087cba076 | 116 | |
jdanner3 | 0:975087cba076 | 117 | command[0] = WRITEWORD; |
jdanner3 | 0:975087cba076 | 118 | |
jdanner3 | 0:975087cba076 | 119 | command[1] = (value >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 120 | command[2] = value & 0xFF; |
jdanner3 | 0:975087cba076 | 121 | writeCOMMAND(command,3); |
jdanner3 | 0:975087cba076 | 122 | } |
jdanner3 | 0:975087cba076 | 123 | |
jdanner3 | 0:975087cba076 | 124 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 125 | void uLCD_4DGL :: flush_media() |
jdanner3 | 0:975087cba076 | 126 | { |
jdanner3 | 0:975087cba076 | 127 | char command[1] = ""; |
jdanner3 | 0:975087cba076 | 128 | command[0] = FLUSHMEDIA; |
jdanner3 | 0:975087cba076 | 129 | writeCOMMAND(command, 1); |
jdanner3 | 0:975087cba076 | 130 | } |
jdanner3 | 0:975087cba076 | 131 | |
jdanner3 | 0:975087cba076 | 132 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 133 | void uLCD_4DGL :: display_image(int x, int y, bool isScreenSaverCommand) |
jdanner3 | 0:975087cba076 | 134 | { |
jdanner3 | 0:975087cba076 | 135 | char command[6]= ""; |
jdanner3 | 0:975087cba076 | 136 | command[0] = DISPLAYIMAGE; |
jdanner3 | 0:975087cba076 | 137 | |
jdanner3 | 0:975087cba076 | 138 | command[1] = (x >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 139 | command[2] = x & 0xFF; |
jdanner3 | 0:975087cba076 | 140 | |
jdanner3 | 0:975087cba076 | 141 | command[3] = (y >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 142 | command[4] = y & 0xFF; |
jdanner3 | 0:975087cba076 | 143 | writeCOMMAND(command, 5); |
jdanner3 | 0:975087cba076 | 144 | if (!isScreenSaverCommand) reportScreenInteraction(); |
jdanner3 | 0:975087cba076 | 145 | } |
jdanner3 | 0:975087cba076 | 146 | |
jdanner3 | 0:975087cba076 | 147 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 148 | void uLCD_4DGL :: display_video(int x, int y, bool isScreenSaverCommand) |
jdanner3 | 0:975087cba076 | 149 | { |
jdanner3 | 0:975087cba076 | 150 | char command[5]= ""; |
jdanner3 | 0:975087cba076 | 151 | command[0] = DISPLAYVIDEO; |
jdanner3 | 0:975087cba076 | 152 | |
jdanner3 | 0:975087cba076 | 153 | command[1] = (x >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 154 | command[2] = x & 0xFF; |
jdanner3 | 0:975087cba076 | 155 | |
jdanner3 | 0:975087cba076 | 156 | command[3] = (y >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 157 | command[4] = y & 0xFF; |
jdanner3 | 0:975087cba076 | 158 | writeCOMMAND(command, 5); |
jdanner3 | 0:975087cba076 | 159 | if (!isScreenSaverCommand) reportScreenInteraction(); |
jdanner3 | 0:975087cba076 | 160 | } |
jdanner3 | 0:975087cba076 | 161 | |
jdanner3 | 0:975087cba076 | 162 | //****************************************************************************************************** |
jdanner3 | 0:975087cba076 | 163 | void uLCD_4DGL :: display_frame(int x, int y, int w, bool isScreenSaverCommand) |
jdanner3 | 0:975087cba076 | 164 | { |
jdanner3 | 0:975087cba076 | 165 | char command[7]= ""; |
jdanner3 | 0:975087cba076 | 166 | |
jdanner3 | 0:975087cba076 | 167 | command[0] = DISPLAYFRAME; |
jdanner3 | 0:975087cba076 | 168 | |
jdanner3 | 0:975087cba076 | 169 | command[1] = (x >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 170 | command[2] = x & 0xFF; |
jdanner3 | 0:975087cba076 | 171 | |
jdanner3 | 0:975087cba076 | 172 | command[3] = (y >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 173 | command[4] = y & 0xFF; |
jdanner3 | 0:975087cba076 | 174 | |
jdanner3 | 0:975087cba076 | 175 | command[5] = (w >> 8) & 0xFF; |
jdanner3 | 0:975087cba076 | 176 | command[6] = w & 0xFF; |
jdanner3 | 0:975087cba076 | 177 | writeCOMMAND(command,7); |
jdanner3 | 0:975087cba076 | 178 | if (!isScreenSaverCommand) reportScreenInteraction(); |
jdanner3 | 0:975087cba076 | 179 | } |
jdanner3 | 0:975087cba076 | 180 |