Jonathan Stai / 4DGL-uLCD-SE

ECE 2035 uLCD library

Dependents:   Squat_device

Fork of 4DGL-uLCD-SE by jim hamblen

uLCD_4DGL_Media.cpp@7:e39a44de229a, 2013-11-30 (annotated)

Committer:
4180_1
Date:
Sat Nov 30 02:05:15 2013 +0000
Revision:
7:e39a44de229a
Parent:
uLCD_4DGL_Touch.cpp@6:b759b69cbaf9 
ver1.5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AdamGreen 0:d6e186427f3e 1 //
4180_1 6:b759b69cbaf9 2 // uLCD_4DGL is a class to drive 4D Systems LCD screens
AdamGreen 0:d6e186427f3e 3 //
AdamGreen 0:d6e186427f3e 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
4180_1 7:e39a44de229a 5 // Modifed for Goldelox processor <2013> Jim Hamblen
AdamGreen 0:d6e186427f3e 6 //
4180_1 1:8b656995301f 7 // uLCD_4DGL is free software: you can redistribute it and/or modify
AdamGreen 0:d6e186427f3e 8 // it under the terms of the GNU General Public License as published by
AdamGreen 0:d6e186427f3e 9 // the Free Software Foundation, either version 3 of the License, or
AdamGreen 0:d6e186427f3e 10 // (at your option) any later version.
AdamGreen 0:d6e186427f3e 11 //
4180_1 1:8b656995301f 12 // uLCD_4DGL is distributed in the hope that it will be useful,
AdamGreen 0:d6e186427f3e 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
AdamGreen 0:d6e186427f3e 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
AdamGreen 0:d6e186427f3e 15 // GNU General Public License for more details.
AdamGreen 0:d6e186427f3e 16 //
AdamGreen 0:d6e186427f3e 17 // You should have received a copy of the GNU General Public License
4180_1 1:8b656995301f 18 // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>.
AdamGreen 0:d6e186427f3e 19
AdamGreen 0:d6e186427f3e 20 #include "mbed.h"
4180_1 1:8b656995301f 21 #include "uLCD_4DGL.h"
AdamGreen 0:d6e186427f3e 22
AdamGreen 0:d6e186427f3e 23
4180_1 6:b759b69cbaf9 24 //Media Commands
4180_1 6:b759b69cbaf9 25
4180_1 6:b759b69cbaf9 26 //******************************************************************************************************
4180_1 6:b759b69cbaf9 27 int uLCD_4DGL :: media_init()
4180_1 6:b759b69cbaf9 28 {
4180_1 6:b759b69cbaf9 29 int resp = 0;
4180_1 6:b759b69cbaf9 30 char command[1] = "";
4180_1 6:b759b69cbaf9 31 command[0] = MINIT;
4180_1 6:b759b69cbaf9 32 writeCOMMAND(command, 1);
4180_1 6:b759b69cbaf9 33 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
4180_1 6:b759b69cbaf9 34 if (_cmd.readable()) {
4180_1 6:b759b69cbaf9 35 resp = _cmd.getc(); // read response
4180_1 6:b759b69cbaf9 36 resp = resp << 8 + _cmd.getc();
4180_1 6:b759b69cbaf9 37 }
4180_1 6:b759b69cbaf9 38 return resp;
4180_1 6:b759b69cbaf9 39 }
4180_1 6:b759b69cbaf9 40
4180_1 6:b759b69cbaf9 41 //******************************************************************************************************
4180_1 6:b759b69cbaf9 42 void uLCD_4DGL :: set_byte_address(int hi, int lo)
4180_1 6:b759b69cbaf9 43 {
4180_1 6:b759b69cbaf9 44 char command[5]= "";
4180_1 6:b759b69cbaf9 45 command[0] = SBADDRESS;
4180_1 6:b759b69cbaf9 46
4180_1 6:b759b69cbaf9 47 command[1] = (hi >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 48 command[2] = hi & 0xFF;
4180_1 6:b759b69cbaf9 49
4180_1 6:b759b69cbaf9 50 command[3] = (lo >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 51 command[4] = lo & 0xFF;
4180_1 6:b759b69cbaf9 52 writeCOMMAND(command, 5);
4180_1 6:b759b69cbaf9 53 }
4180_1 6:b759b69cbaf9 54
4180_1 6:b759b69cbaf9 55 //******************************************************************************************************
4180_1 6:b759b69cbaf9 56 void uLCD_4DGL :: set_sector_address(int hi, int lo)
4180_1 6:b759b69cbaf9 57 {
4180_1 6:b759b69cbaf9 58
4180_1 6:b759b69cbaf9 59 char command[5]= "";
4180_1 6:b759b69cbaf9 60 command[0] = SSADDRESS;
4180_1 6:b759b69cbaf9 61
4180_1 6:b759b69cbaf9 62 command[1] = (hi >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 63 command[2] = hi & 0xFF;
4180_1 6:b759b69cbaf9 64
4180_1 6:b759b69cbaf9 65 command[3] = (lo >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 66 command[4] = lo & 0xFF;
4180_1 6:b759b69cbaf9 67 writeCOMMAND(command, 5);
4180_1 6:b759b69cbaf9 68 }
4180_1 6:b759b69cbaf9 69
4180_1 6:b759b69cbaf9 70 //******************************************************************************************************
4180_1 6:b759b69cbaf9 71 char uLCD_4DGL :: read_byte()
4180_1 6:b759b69cbaf9 72 {
4180_1 6:b759b69cbaf9 73 char resp = 0;
4180_1 6:b759b69cbaf9 74 char command[1] = "";
4180_1 6:b759b69cbaf9 75 command[0] = READBYTE;
4180_1 6:b759b69cbaf9 76 writeCOMMAND(command, 1);
4180_1 6:b759b69cbaf9 77 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
4180_1 6:b759b69cbaf9 78 if (_cmd.readable()) {
4180_1 6:b759b69cbaf9 79 resp = _cmd.getc(); // read response
4180_1 6:b759b69cbaf9 80 resp = _cmd.getc();
4180_1 6:b759b69cbaf9 81 }
4180_1 6:b759b69cbaf9 82 return resp;
4180_1 6:b759b69cbaf9 83 }
4180_1 6:b759b69cbaf9 84
4180_1 6:b759b69cbaf9 85 //******************************************************************************************************
4180_1 6:b759b69cbaf9 86 int uLCD_4DGL :: read_word()
4180_1 6:b759b69cbaf9 87 {
4180_1 6:b759b69cbaf9 88 int resp=0;
4180_1 6:b759b69cbaf9 89 char command[1] = "";
4180_1 6:b759b69cbaf9 90 command[0] = READWORD;
4180_1 6:b759b69cbaf9 91 writeCOMMAND(command, 1);
4180_1 6:b759b69cbaf9 92 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
4180_1 6:b759b69cbaf9 93 if (_cmd.readable()) {
4180_1 6:b759b69cbaf9 94 resp = _cmd.getc(); // read response
4180_1 6:b759b69cbaf9 95 resp = resp << 8 + _cmd.getc();
4180_1 6:b759b69cbaf9 96 }
4180_1 6:b759b69cbaf9 97 return resp;
4180_1 6:b759b69cbaf9 98 }
4180_1 6:b759b69cbaf9 99
4180_1 6:b759b69cbaf9 100 //******************************************************************************************************
4180_1 6:b759b69cbaf9 101 void uLCD_4DGL :: write_byte(int value)
4180_1 6:b759b69cbaf9 102 {
4180_1 6:b759b69cbaf9 103 char command[3]= "";
4180_1 6:b759b69cbaf9 104
4180_1 6:b759b69cbaf9 105 command[0] = WRITEBYTE;
4180_1 6:b759b69cbaf9 106
4180_1 6:b759b69cbaf9 107 command[1] = (value >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 108 command[2] = value & 0xFF;
4180_1 6:b759b69cbaf9 109 writeCOMMAND(command,3);
4180_1 6:b759b69cbaf9 110 }
4180_1 6:b759b69cbaf9 111
4180_1 6:b759b69cbaf9 112 //******************************************************************************************************
4180_1 6:b759b69cbaf9 113 void uLCD_4DGL :: write_word(int value)
4180_1 6:b759b69cbaf9 114 {
4180_1 6:b759b69cbaf9 115 char command[3]= "";
4180_1 6:b759b69cbaf9 116
4180_1 6:b759b69cbaf9 117 command[0] = WRITEWORD;
4180_1 6:b759b69cbaf9 118
4180_1 6:b759b69cbaf9 119 command[1] = (value >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 120 command[2] = value & 0xFF;
4180_1 6:b759b69cbaf9 121 writeCOMMAND(command,3);
4180_1 6:b759b69cbaf9 122 }
4180_1 6:b759b69cbaf9 123
4180_1 6:b759b69cbaf9 124 //******************************************************************************************************
4180_1 6:b759b69cbaf9 125 void uLCD_4DGL :: flush_media()
4180_1 6:b759b69cbaf9 126 {
4180_1 6:b759b69cbaf9 127 char command[1] = "";
4180_1 6:b759b69cbaf9 128 command[0] = FLUSHMEDIA;
4180_1 6:b759b69cbaf9 129 writeCOMMAND(command, 1);
4180_1 6:b759b69cbaf9 130 }
4180_1 6:b759b69cbaf9 131
4180_1 6:b759b69cbaf9 132 //******************************************************************************************************
4180_1 6:b759b69cbaf9 133 void uLCD_4DGL :: display_image(int x, int y)
4180_1 6:b759b69cbaf9 134 {
4180_1 6:b759b69cbaf9 135 char command[6]= "";
4180_1 6:b759b69cbaf9 136 command[0] = DISPLAYIMAGE;
4180_1 6:b759b69cbaf9 137
4180_1 6:b759b69cbaf9 138 command[1] = (x >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 139 command[2] = x & 0xFF;
4180_1 6:b759b69cbaf9 140
4180_1 6:b759b69cbaf9 141 command[3] = (y >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 142 command[4] = y & 0xFF;
4180_1 6:b759b69cbaf9 143 writeCOMMAND(command, 5);
4180_1 6:b759b69cbaf9 144 }
4180_1 6:b759b69cbaf9 145
4180_1 6:b759b69cbaf9 146 //******************************************************************************************************
4180_1 6:b759b69cbaf9 147 void uLCD_4DGL :: display_video(int x, int y)
4180_1 6:b759b69cbaf9 148 {
4180_1 6:b759b69cbaf9 149 char command[5]= "";
4180_1 6:b759b69cbaf9 150 command[0] = DISPLAYVIDEO;
4180_1 6:b759b69cbaf9 151
4180_1 6:b759b69cbaf9 152 command[1] = (x >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 153 command[2] = x & 0xFF;
4180_1 6:b759b69cbaf9 154
4180_1 6:b759b69cbaf9 155 command[3] = (y >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 156 command[4] = y & 0xFF;
4180_1 6:b759b69cbaf9 157 writeCOMMAND(command, 5);
4180_1 6:b759b69cbaf9 158 }
4180_1 6:b759b69cbaf9 159
4180_1 6:b759b69cbaf9 160 //******************************************************************************************************
4180_1 6:b759b69cbaf9 161 void uLCD_4DGL :: display_frame(int x, int y, int w)
4180_1 6:b759b69cbaf9 162 {
4180_1 6:b759b69cbaf9 163 char command[7]= "";
4180_1 6:b759b69cbaf9 164
4180_1 6:b759b69cbaf9 165 command[0] = DISPLAYFRAME;
4180_1 6:b759b69cbaf9 166
4180_1 6:b759b69cbaf9 167 command[1] = (x >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 168 command[2] = x & 0xFF;
4180_1 6:b759b69cbaf9 169
4180_1 6:b759b69cbaf9 170 command[3] = (y >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 171 command[4] = y & 0xFF;
4180_1 6:b759b69cbaf9 172
4180_1 6:b759b69cbaf9 173 command[5] = (w >> 8) & 0xFF;
4180_1 6:b759b69cbaf9 174 command[6] = w & 0xFF;
4180_1 6:b759b69cbaf9 175 writeCOMMAND(command,7);
4180_1 6:b759b69cbaf9 176 }
4180_1 7:e39a44de229a 177