Rihards Balass / 4DGL-mbed-32PTU

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Picaso_4DGL-32PTU_graphics.cpp@1:e2337e2653e1, 2016-09-08 (annotated)

Committer:
CaptainR
Date:
Thu Sep 08 13:40:36 2016 +0000
Revision:
1:e2337e2653e1
Parent:
0:a5ef6bc3c2e8
Child:
2:81eaaa491a02
a little cleanup;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
CaptainR 1:e2337e2653e1 1 //
CaptainR 1:e2337e2653e1 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens with Picaso processor
CaptainR 1:e2337e2653e1 3 //
CaptainR 1:e2337e2653e1 4 // Copyright (C) <2016> Rihards Balass
CaptainR 1:e2337e2653e1 5 //
CaptainR 0:a5ef6bc3c2e8 6
CaptainR 0:a5ef6bc3c2e8 7 #include "mbed.h"
CaptainR 0:a5ef6bc3c2e8 8 #include "Picaso_4DGL-32PTU.h"
CaptainR 0:a5ef6bc3c2e8 9
CaptainR 0:a5ef6bc3c2e8 10 //**************************************************************************
CaptainR 0:a5ef6bc3c2e8 11 // The Clear Screen command clears the screen using the current background colour.
CaptainR 0:a5ef6bc3c2e8 12 // This command brings some of the settings back to default; such as,
CaptainR 0:a5ef6bc3c2e8 13 //  Transparency turned OFF
CaptainR 0:a5ef6bc3c2e8 14 //  Outline colour set to BLACK
CaptainR 0:a5ef6bc3c2e8 15 //  Opacity set to OPAQUE
CaptainR 0:a5ef6bc3c2e8 16 //  Pen set to OUTLINE
CaptainR 0:a5ef6bc3c2e8 17 //  Line patterns set to OFF
CaptainR 0:a5ef6bc3c2e8 18 //  Right text margin set to full width
CaptainR 0:a5ef6bc3c2e8 19 //  Text magnifications set to 1
CaptainR 0:a5ef6bc3c2e8 20 //  All origins set to 0:0
CaptainR 0:a5ef6bc3c2e8 21 // The alternative to maintain settings and clear screen is
CaptainR 0:a5ef6bc3c2e8 22 // to draw a filled rectangle with the required background colour.
CaptainR 0:a5ef6bc3c2e8 23 //**************************************************************************
CaptainR 0:a5ef6bc3c2e8 24 void TFT_4DGL :: cls() { // clear screen
CaptainR 0:a5ef6bc3c2e8 25
CaptainR 0:a5ef6bc3c2e8 26 char command[2] = "";
CaptainR 0:a5ef6bc3c2e8 27
CaptainR 0:a5ef6bc3c2e8 28 command[0] = CLS_MSB;
CaptainR 0:a5ef6bc3c2e8 29 command[1] = CLS_LSB;
CaptainR 0:a5ef6bc3c2e8 30
CaptainR 0:a5ef6bc3c2e8 31 writeCOMMAND(command, 2);
CaptainR 0:a5ef6bc3c2e8 32 }
CaptainR 0:a5ef6bc3c2e8 33
CaptainR 0:a5ef6bc3c2e8 34 //**************************************************************************
CaptainR 0:a5ef6bc3c2e8 35 // The Change Colour command changes all oldColour pixels to newColour
CaptainR 0:a5ef6bc3c2e8 36 // within the clipping window area.
CaptainR 0:a5ef6bc3c2e8 37 //**************************************************************************
CaptainR 0:a5ef6bc3c2e8 38 void TFT_4DGL :: changeColor(char oldM, char oldL, char newM, char newL) {
CaptainR 0:a5ef6bc3c2e8 39
CaptainR 0:a5ef6bc3c2e8 40 char command[6] = "";
CaptainR 0:a5ef6bc3c2e8 41
CaptainR 0:a5ef6bc3c2e8 42 command[0] = CHANGE_COLOR_MSB;
CaptainR 0:a5ef6bc3c2e8 43 command[1] = CHANGE_COLOR_LSB;
CaptainR 0:a5ef6bc3c2e8 44 command[2] = oldM;
CaptainR 0:a5ef6bc3c2e8 45 command[3] = oldL;
CaptainR 0:a5ef6bc3c2e8 46 command[4] = newM;
CaptainR 0:a5ef6bc3c2e8 47 command[5] = newL;
CaptainR 0:a5ef6bc3c2e8 48
CaptainR 0:a5ef6bc3c2e8 49 writeCOMMAND(command, 6);
CaptainR 0:a5ef6bc3c2e8 50 }
CaptainR 0:a5ef6bc3c2e8 51
CaptainR 0:a5ef6bc3c2e8 52 //**************************************************************************
CaptainR 0:a5ef6bc3c2e8 53 // The Draw Circle command draws a circle with centre point x, y
CaptainR 0:a5ef6bc3c2e8 54 // with radius r using the specified colour.
CaptainR 0:a5ef6bc3c2e8 55 //**************************************************************************
CaptainR 0:a5ef6bc3c2e8 56 void TFT_4DGL :: drawCircle(short x, short y, short r, char colorM, char colorL) {
CaptainR 0:a5ef6bc3c2e8 57
CaptainR 0:a5ef6bc3c2e8 58 char command[10] = "";
CaptainR 0:a5ef6bc3c2e8 59
CaptainR 0:a5ef6bc3c2e8 60 command[0] = DRAW_CIRCLE_MSB;
CaptainR 0:a5ef6bc3c2e8 61 command[1] = DRAW_CIRCLE_LSB;
CaptainR 0:a5ef6bc3c2e8 62 command[2] = (x >> (8*1)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 63 command[3] = (x >> (8*0)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 64 command[4] = (y >> (8*1)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 65 command[5] = (y >> (8*0)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 66 command[6] = (r >> (8*1)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 67 command[7] = (r >> (8*0)) & 0xff;
CaptainR 0:a5ef6bc3c2e8 68 command[8] = colorM;
CaptainR 0:a5ef6bc3c2e8 69 command[9] = colorL;
CaptainR 0:a5ef6bc3c2e8 70
CaptainR 0:a5ef6bc3c2e8 71 writeCOMMAND(command, 10);
CaptainR 0:a5ef6bc3c2e8 72 }
CaptainR 0:a5ef6bc3c2e8 73
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