Andrew Neville / 4DGL-uLCD-SE

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Fork of 4DGL-uLCD-SE by Jonathan Austin

uLCD_4DGL_Media.cpp@1:df77db998389, 2015-05-01 (annotated)

Committer:
anevil14
Date:
Fri May 01 16:49:27 2015 +0000
Revision:
1:df77db998389
No Changes

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UserRevisionLine numberNew contents of line
anevil14 1:df77db998389 1 //
anevil14 1:df77db998389 2 // uLCD_4DGL is a class to drive 4D Systems LCD screens
anevil14 1:df77db998389 3 //
anevil14 1:df77db998389 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
anevil14 1:df77db998389 5 // Modifed for Goldelox processor <2013> Jim Hamblen
anevil14 1:df77db998389 6 //
anevil14 1:df77db998389 7 // uLCD_4DGL is free software: you can redistribute it and/or modify
anevil14 1:df77db998389 8 // it under the terms of the GNU General Public License as published by
anevil14 1:df77db998389 9 // the Free Software Foundation, either version 3 of the License, or
anevil14 1:df77db998389 10 // (at your option) any later version.
anevil14 1:df77db998389 11 //
anevil14 1:df77db998389 12 // uLCD_4DGL is distributed in the hope that it will be useful,
anevil14 1:df77db998389 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
anevil14 1:df77db998389 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
anevil14 1:df77db998389 15 // GNU General Public License for more details.
anevil14 1:df77db998389 16 //
anevil14 1:df77db998389 17 // You should have received a copy of the GNU General Public License
anevil14 1:df77db998389 18 // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>.
anevil14 1:df77db998389 19
anevil14 1:df77db998389 20 #include "mbed.h"
anevil14 1:df77db998389 21 #include "uLCD_4DGL.h"
anevil14 1:df77db998389 22
anevil14 1:df77db998389 23
anevil14 1:df77db998389 24 //Media Commands
anevil14 1:df77db998389 25
anevil14 1:df77db998389 26 //******************************************************************************************************
anevil14 1:df77db998389 27 int uLCD_4DGL :: media_init()
anevil14 1:df77db998389 28 {
anevil14 1:df77db998389 29 int resp = 0;
anevil14 1:df77db998389 30 char command[1] = "";
anevil14 1:df77db998389 31 command[0] = MINIT;
anevil14 1:df77db998389 32 writeCOMMAND(command, 1);
anevil14 1:df77db998389 33 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
anevil14 1:df77db998389 34 if (_cmd.readable()) {
anevil14 1:df77db998389 35 resp = _cmd.getc(); // read response
anevil14 1:df77db998389 36 resp = resp << 8 + _cmd.getc();
anevil14 1:df77db998389 37 }
anevil14 1:df77db998389 38 return resp;
anevil14 1:df77db998389 39 }
anevil14 1:df77db998389 40
anevil14 1:df77db998389 41 //******************************************************************************************************
anevil14 1:df77db998389 42 void uLCD_4DGL :: set_byte_address(int hi, int lo)
anevil14 1:df77db998389 43 {
anevil14 1:df77db998389 44 char command[5]= "";
anevil14 1:df77db998389 45 command[0] = SBADDRESS;
anevil14 1:df77db998389 46
anevil14 1:df77db998389 47 command[1] = (hi >> 8) & 0xFF;
anevil14 1:df77db998389 48 command[2] = hi & 0xFF;
anevil14 1:df77db998389 49
anevil14 1:df77db998389 50 command[3] = (lo >> 8) & 0xFF;
anevil14 1:df77db998389 51 command[4] = lo & 0xFF;
anevil14 1:df77db998389 52 writeCOMMAND(command, 5);
anevil14 1:df77db998389 53 }
anevil14 1:df77db998389 54
anevil14 1:df77db998389 55 //******************************************************************************************************
anevil14 1:df77db998389 56 void uLCD_4DGL :: set_sector_address(int hi, int lo)
anevil14 1:df77db998389 57 {
anevil14 1:df77db998389 58
anevil14 1:df77db998389 59 char command[5]= "";
anevil14 1:df77db998389 60 command[0] = SSADDRESS;
anevil14 1:df77db998389 61
anevil14 1:df77db998389 62 command[1] = (hi >> 8) & 0xFF;
anevil14 1:df77db998389 63 command[2] = hi & 0xFF;
anevil14 1:df77db998389 64
anevil14 1:df77db998389 65 command[3] = (lo >> 8) & 0xFF;
anevil14 1:df77db998389 66 command[4] = lo & 0xFF;
anevil14 1:df77db998389 67 writeCOMMAND(command, 5);
anevil14 1:df77db998389 68 }
anevil14 1:df77db998389 69
anevil14 1:df77db998389 70 //******************************************************************************************************
anevil14 1:df77db998389 71 char uLCD_4DGL :: read_byte()
anevil14 1:df77db998389 72 {
anevil14 1:df77db998389 73 char resp = 0;
anevil14 1:df77db998389 74 char command[1] = "";
anevil14 1:df77db998389 75 command[0] = READBYTE;
anevil14 1:df77db998389 76 writeCOMMAND(command, 1);
anevil14 1:df77db998389 77 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
anevil14 1:df77db998389 78 if (_cmd.readable()) {
anevil14 1:df77db998389 79 resp = _cmd.getc(); // read response
anevil14 1:df77db998389 80 resp = _cmd.getc();
anevil14 1:df77db998389 81 }
anevil14 1:df77db998389 82 return resp;
anevil14 1:df77db998389 83 }
anevil14 1:df77db998389 84
anevil14 1:df77db998389 85 //******************************************************************************************************
anevil14 1:df77db998389 86 int uLCD_4DGL :: read_word()
anevil14 1:df77db998389 87 {
anevil14 1:df77db998389 88 int resp=0;
anevil14 1:df77db998389 89 char command[1] = "";
anevil14 1:df77db998389 90 command[0] = READWORD;
anevil14 1:df77db998389 91 writeCOMMAND(command, 1);
anevil14 1:df77db998389 92 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
anevil14 1:df77db998389 93 if (_cmd.readable()) {
anevil14 1:df77db998389 94 resp = _cmd.getc(); // read response
anevil14 1:df77db998389 95 resp = resp << 8 + _cmd.getc();
anevil14 1:df77db998389 96 }
anevil14 1:df77db998389 97 return resp;
anevil14 1:df77db998389 98 }
anevil14 1:df77db998389 99
anevil14 1:df77db998389 100 //******************************************************************************************************
anevil14 1:df77db998389 101 void uLCD_4DGL :: write_byte(int value)
anevil14 1:df77db998389 102 {
anevil14 1:df77db998389 103 char command[3]= "";
anevil14 1:df77db998389 104
anevil14 1:df77db998389 105 command[0] = WRITEBYTE;
anevil14 1:df77db998389 106
anevil14 1:df77db998389 107 command[1] = (value >> 8) & 0xFF;
anevil14 1:df77db998389 108 command[2] = value & 0xFF;
anevil14 1:df77db998389 109 writeCOMMAND(command,3);
anevil14 1:df77db998389 110 }
anevil14 1:df77db998389 111
anevil14 1:df77db998389 112 //******************************************************************************************************
anevil14 1:df77db998389 113 void uLCD_4DGL :: write_word(int value)
anevil14 1:df77db998389 114 {
anevil14 1:df77db998389 115 char command[3]= "";
anevil14 1:df77db998389 116
anevil14 1:df77db998389 117 command[0] = WRITEWORD;
anevil14 1:df77db998389 118
anevil14 1:df77db998389 119 command[1] = (value >> 8) & 0xFF;
anevil14 1:df77db998389 120 command[2] = value & 0xFF;
anevil14 1:df77db998389 121 writeCOMMAND(command,3);
anevil14 1:df77db998389 122 }
anevil14 1:df77db998389 123
anevil14 1:df77db998389 124 //******************************************************************************************************
anevil14 1:df77db998389 125 void uLCD_4DGL :: flush_media()
anevil14 1:df77db998389 126 {
anevil14 1:df77db998389 127 char command[1] = "";
anevil14 1:df77db998389 128 command[0] = FLUSHMEDIA;
anevil14 1:df77db998389 129 writeCOMMAND(command, 1);
anevil14 1:df77db998389 130 }
anevil14 1:df77db998389 131
anevil14 1:df77db998389 132 //******************************************************************************************************
anevil14 1:df77db998389 133 void uLCD_4DGL :: display_image(int x, int y)
anevil14 1:df77db998389 134 {
anevil14 1:df77db998389 135 char command[6]= "";
anevil14 1:df77db998389 136 command[0] = DISPLAYIMAGE;
anevil14 1:df77db998389 137
anevil14 1:df77db998389 138 command[1] = (x >> 8) & 0xFF;
anevil14 1:df77db998389 139 command[2] = x & 0xFF;
anevil14 1:df77db998389 140
anevil14 1:df77db998389 141 command[3] = (y >> 8) & 0xFF;
anevil14 1:df77db998389 142 command[4] = y & 0xFF;
anevil14 1:df77db998389 143 writeCOMMAND(command, 5);
anevil14 1:df77db998389 144 }
anevil14 1:df77db998389 145
anevil14 1:df77db998389 146 //******************************************************************************************************
anevil14 1:df77db998389 147 void uLCD_4DGL :: display_video(int x, int y)
anevil14 1:df77db998389 148 {
anevil14 1:df77db998389 149 char command[5]= "";
anevil14 1:df77db998389 150 command[0] = DISPLAYVIDEO;
anevil14 1:df77db998389 151
anevil14 1:df77db998389 152 command[1] = (x >> 8) & 0xFF;
anevil14 1:df77db998389 153 command[2] = x & 0xFF;
anevil14 1:df77db998389 154
anevil14 1:df77db998389 155 command[3] = (y >> 8) & 0xFF;
anevil14 1:df77db998389 156 command[4] = y & 0xFF;
anevil14 1:df77db998389 157 writeCOMMAND(command, 5);
anevil14 1:df77db998389 158 }
anevil14 1:df77db998389 159
anevil14 1:df77db998389 160 //******************************************************************************************************
anevil14 1:df77db998389 161 void uLCD_4DGL :: display_frame(int x, int y, int w)
anevil14 1:df77db998389 162 {
anevil14 1:df77db998389 163 char command[7]= "";
anevil14 1:df77db998389 164
anevil14 1:df77db998389 165 command[0] = DISPLAYFRAME;
anevil14 1:df77db998389 166
anevil14 1:df77db998389 167 command[1] = (x >> 8) & 0xFF;
anevil14 1:df77db998389 168 command[2] = x & 0xFF;
anevil14 1:df77db998389 169
anevil14 1:df77db998389 170 command[3] = (y >> 8) & 0xFF;
anevil14 1:df77db998389 171 command[4] = y & 0xFF;
anevil14 1:df77db998389 172
anevil14 1:df77db998389 173 command[5] = (w >> 8) & 0xFF;
anevil14 1:df77db998389 174 command[6] = w & 0xFF;
anevil14 1:df77db998389 175 writeCOMMAND(command,7);
anevil14 1:df77db998389 176 }
anevil14 1:df77db998389 177