Rihards Balass / 4DGL-mbed-32PTU

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Picaso_4DGL-32PTU_graphics.cpp@2:81eaaa491a02, 2016-09-09 (annotated)

Committer:
CaptainR
Date:
Fri Sep 09 06:17:05 2016 +0000
Revision:
2:81eaaa491a02
Parent:
1:e2337e2653e1
Child:
3:dcfbceb81fef
Cleaned up all files, redefined constants to be more easier to use...; Added info about copyright :)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
CaptainR 1:e2337e2653e1 1 //
CaptainR 2:81eaaa491a02 2 // Picaso_4DGL-32PTU is a class to drive 4D Systems TFT touch screens with PICASO processor
CaptainR 2:81eaaa491a02 3 // Tested with NUCLEO L152RE development board
CaptainR 2:81eaaa491a02 4 // Copyright (C) <2016> Rihards Balass <rihards.balass@gmail.com>
CaptainR 1:e2337e2653e1 5 //
CaptainR 2:81eaaa491a02 6 // Picaso_4DGL-32PTU is free software: you can redistribute it and/or modify
CaptainR 2:81eaaa491a02 7 // it under the terms of the GNU General Public License as published by
CaptainR 2:81eaaa491a02 8 // the Free Software Foundation, either version 3 of the License, or
CaptainR 2:81eaaa491a02 9 // (at your option) any later version.
CaptainR 2:81eaaa491a02 10 //
CaptainR 2:81eaaa491a02 11 // Picaso_4DGL-32PTU is distributed in the hope that it will be useful,
CaptainR 2:81eaaa491a02 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
CaptainR 2:81eaaa491a02 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
CaptainR 2:81eaaa491a02 14 // GNU General Public License for more details.
CaptainR 2:81eaaa491a02 15 //
CaptainR 2:81eaaa491a02 16 // You can see GNU General Public License at <http://www.gnu.org/licenses/>.
CaptainR 1:e2337e2653e1 17 //
CaptainR 0:a5ef6bc3c2e8 18
CaptainR 0:a5ef6bc3c2e8 19 #include "mbed.h"
CaptainR 0:a5ef6bc3c2e8 20 #include "Picaso_4DGL-32PTU.h"
CaptainR 0:a5ef6bc3c2e8 21
CaptainR 0:a5ef6bc3c2e8 22 //**************************************************************************
CaptainR 0:a5ef6bc3c2e8 23 // The Clear Screen command clears the screen using the current background colour.
CaptainR 0:a5ef6bc3c2e8 24 // This command brings some of the settings back to default; such as,
CaptainR 0:a5ef6bc3c2e8 25 //  Transparency turned OFF
CaptainR 0:a5ef6bc3c2e8 26 //  Outline colour set to BLACK
CaptainR 0:a5ef6bc3c2e8 27 //  Opacity set to OPAQUE
CaptainR 0:a5ef6bc3c2e8 28 //  Pen set to OUTLINE
CaptainR 0:a5ef6bc3c2e8 29 //  Line patterns set to OFF
CaptainR 0:a5ef6bc3c2e8 30 //  Right text margin set to full width
CaptainR 0:a5ef6bc3c2e8 31 //  Text magnifications set to 1
CaptainR 0:a5ef6bc3c2e8 32 //  All origins set to 0:0
CaptainR 0:a5ef6bc3c2e8 33 // The alternative to maintain settings and clear screen is
CaptainR 0:a5ef6bc3c2e8 34 // to draw a filled rectangle with the required background colour.
CaptainR 0:a5ef6bc3c2e8 35 //**************************************************************************
CaptainR 0:a5ef6bc3c2e8 36 void TFT_4DGL :: cls() { // clear screen
CaptainR 0:a5ef6bc3c2e8 37
CaptainR 0:a5ef6bc3c2e8 38 char command[2] = "";
CaptainR 0:a5ef6bc3c2e8 39
CaptainR 2:81eaaa491a02 40 command[0] = (CLS >> (8*1)) & 0xff;
CaptainR 2:81eaaa491a02 41 command[1] = (CLS >> (8*0)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 42
CaptainR 0:a5ef6bc3c2e8 43 writeCOMMAND(command, 2);
CaptainR 0:a5ef6bc3c2e8 44 }
CaptainR 0:a5ef6bc3c2e8 45
CaptainR 0:a5ef6bc3c2e8 46 //**************************************************************************
CaptainR 0:a5ef6bc3c2e8 47 // The Change Colour command changes all oldColour pixels to newColour
CaptainR 0:a5ef6bc3c2e8 48 // within the clipping window area.
CaptainR 0:a5ef6bc3c2e8 49 //**************************************************************************
CaptainR 2:81eaaa491a02 50 void TFT_4DGL :: changeColor(short oldColor, short newColor) {
CaptainR 0:a5ef6bc3c2e8 51
CaptainR 0:a5ef6bc3c2e8 52 char command[6] = "";
CaptainR 0:a5ef6bc3c2e8 53
CaptainR 2:81eaaa491a02 54 command[0] = (CHANGE_COLOR >> (8*1)) & 0xff;
CaptainR 2:81eaaa491a02 55 command[1] = (CHANGE_COLOR >> (8*0)) & 0xff;
CaptainR 2:81eaaa491a02 56 command[2] = (oldColor >> (8*1)) & 0xff;
CaptainR 2:81eaaa491a02 57 command[3] = (oldColor >> (8*0)) & 0xff;
CaptainR 2:81eaaa491a02 58 command[4] = (newColor >> (8*1)) & 0xff;
CaptainR 2:81eaaa491a02 59 command[5] = (newColor >> (8*0)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 60
CaptainR 0:a5ef6bc3c2e8 61 writeCOMMAND(command, 6);
CaptainR 0:a5ef6bc3c2e8 62 }
CaptainR 0:a5ef6bc3c2e8 63
CaptainR 0:a5ef6bc3c2e8 64 //**************************************************************************
CaptainR 0:a5ef6bc3c2e8 65 // The Draw Circle command draws a circle with centre point x, y
CaptainR 0:a5ef6bc3c2e8 66 // with radius r using the specified colour.
CaptainR 0:a5ef6bc3c2e8 67 //**************************************************************************
CaptainR 2:81eaaa491a02 68 void TFT_4DGL :: drawCircle(short x, short y, short r, short color) {
CaptainR 0:a5ef6bc3c2e8 69
CaptainR 0:a5ef6bc3c2e8 70 char command[10] = "";
CaptainR 0:a5ef6bc3c2e8 71
CaptainR 2:81eaaa491a02 72 command[0] = (DRAW_CIRCLE >> (8*1)) & 0xff;
CaptainR 2:81eaaa491a02 73 command[1] = (DRAW_CIRCLE >> (8*0)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 74 command[2] = (x >> (8*1)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 75 command[3] = (x >> (8*0)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 76 command[4] = (y >> (8*1)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 77 command[5] = (y >> (8*0)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 78 command[6] = (r >> (8*1)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 79 command[7] = (r >> (8*0)) & 0xff;
CaptainR 2:81eaaa491a02 80 command[8] = (color >> (8*1)) & 0xff;
CaptainR 2:81eaaa491a02 81 command[9] = (color >> (8*0)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 82
CaptainR 0:a5ef6bc3c2e8 83 writeCOMMAND(command, 10);
CaptainR 0:a5ef6bc3c2e8 84 }
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