Sierpinski triangle fractal - only modified algo for 4DGL - original code Eric Wieser - THANKS

Dependencies:   mbed

Committer:
JLS
Date:
Sun Jan 23 17:32:41 2011 +0000
Revision:
0:66e8e6fa8997

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JLS 0:66e8e6fa8997 1 //
JLS 0:66e8e6fa8997 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS 0:66e8e6fa8997 3 //
JLS 0:66e8e6fa8997 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS 0:66e8e6fa8997 5 //
JLS 0:66e8e6fa8997 6 // TFT_4DGL is free software: you can redistribute it and/or modify
JLS 0:66e8e6fa8997 7 // it under the terms of the GNU General Public License as published by
JLS 0:66e8e6fa8997 8 // the Free Software Foundation, either version 3 of the License, or
JLS 0:66e8e6fa8997 9 // (at your option) any later version.
JLS 0:66e8e6fa8997 10 //
JLS 0:66e8e6fa8997 11 // TFT_4DGL is distributed in the hope that it will be useful,
JLS 0:66e8e6fa8997 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS 0:66e8e6fa8997 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS 0:66e8e6fa8997 14 // GNU General Public License for more details.
JLS 0:66e8e6fa8997 15 //
JLS 0:66e8e6fa8997 16 // You should have received a copy of the GNU General Public License
JLS 0:66e8e6fa8997 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS 0:66e8e6fa8997 18
JLS 0:66e8e6fa8997 19 #include "mbed.h"
JLS 0:66e8e6fa8997 20 #include "TFT_4DGL.h"
JLS 0:66e8e6fa8997 21
JLS 0:66e8e6fa8997 22 //******************************************************************************************************
JLS 0:66e8e6fa8997 23 void TFT_4DGL :: touch_mode(char mode) { // Send touch mode (WAIT, PRESS, RELEASE or MOVE)
JLS 0:66e8e6fa8997 24
JLS 0:66e8e6fa8997 25 char command[2]= "";
JLS 0:66e8e6fa8997 26
JLS 0:66e8e6fa8997 27 command[0] = GETTOUCH;
JLS 0:66e8e6fa8997 28 command[1] = mode;
JLS 0:66e8e6fa8997 29
JLS 0:66e8e6fa8997 30 writeCOMMAND(command, 2);
JLS 0:66e8e6fa8997 31 }
JLS 0:66e8e6fa8997 32
JLS 0:66e8e6fa8997 33 //******************************************************************************************************
JLS 0:66e8e6fa8997 34 void TFT_4DGL :: get_touch(int *x, int *y) { // Get the touch coordinates
JLS 0:66e8e6fa8997 35
JLS 0:66e8e6fa8997 36 char command[2] = "";
JLS 0:66e8e6fa8997 37
JLS 0:66e8e6fa8997 38 command[0] = GETTOUCH;
JLS 0:66e8e6fa8997 39 command[1] = GETPOSITION;
JLS 0:66e8e6fa8997 40
JLS 0:66e8e6fa8997 41 getTOUCH(command, 2, x, y);
JLS 0:66e8e6fa8997 42 }
JLS 0:66e8e6fa8997 43
JLS 0:66e8e6fa8997 44 //******************************************************************************************************
JLS 0:66e8e6fa8997 45 int TFT_4DGL :: touch_status(void) { // Get the touch screen status
JLS 0:66e8e6fa8997 46
JLS 0:66e8e6fa8997 47 char command[2] = "";
JLS 0:66e8e6fa8997 48
JLS 0:66e8e6fa8997 49 command[0] = GETTOUCH;
JLS 0:66e8e6fa8997 50 command[1] = STATUS;
JLS 0:66e8e6fa8997 51
JLS 0:66e8e6fa8997 52 return getSTATUS(command, 2);
JLS 0:66e8e6fa8997 53 }
JLS 0:66e8e6fa8997 54
JLS 0:66e8e6fa8997 55
JLS 0:66e8e6fa8997 56 //******************************************************************************************************
JLS 0:66e8e6fa8997 57 void TFT_4DGL :: wait_touch(int delay) { // wait until touch within a delay in milliseconds
JLS 0:66e8e6fa8997 58
JLS 0:66e8e6fa8997 59 char command[3]= "";
JLS 0:66e8e6fa8997 60
JLS 0:66e8e6fa8997 61 command[0] = WAITTOUCH;
JLS 0:66e8e6fa8997 62
JLS 0:66e8e6fa8997 63 command[1] = (delay >> 8) & 0xFF;
JLS 0:66e8e6fa8997 64 command[2] = delay & 0xFF;
JLS 0:66e8e6fa8997 65
JLS 0:66e8e6fa8997 66 writeCOMMAND(command, 3);
JLS 0:66e8e6fa8997 67 }
JLS 0:66e8e6fa8997 68
JLS 0:66e8e6fa8997 69 //******************************************************************************************************
JLS 0:66e8e6fa8997 70 void TFT_4DGL :: set_touch(int x1, int y1 , int x2, int y2) { // define touch area
JLS 0:66e8e6fa8997 71
JLS 0:66e8e6fa8997 72 char command[9]= "";
JLS 0:66e8e6fa8997 73
JLS 0:66e8e6fa8997 74 command[0] = SETTOUCH;
JLS 0:66e8e6fa8997 75
JLS 0:66e8e6fa8997 76 command[1] = (x1 >> 8) & 0xFF;
JLS 0:66e8e6fa8997 77 command[2] = x1 & 0xFF;
JLS 0:66e8e6fa8997 78
JLS 0:66e8e6fa8997 79 command[3] = (y1 >> 8) & 0xFF;
JLS 0:66e8e6fa8997 80 command[4] = y1 & 0xFF;
JLS 0:66e8e6fa8997 81
JLS 0:66e8e6fa8997 82 command[5] = (x2 >> 8) & 0xFF;
JLS 0:66e8e6fa8997 83 command[6] = x2 & 0xFF;
JLS 0:66e8e6fa8997 84
JLS 0:66e8e6fa8997 85 command[7] = (y2 >> 8) & 0xFF;
JLS 0:66e8e6fa8997 86 command[8] = y2 & 0xFF;
JLS 0:66e8e6fa8997 87
JLS 0:66e8e6fa8997 88 writeCOMMAND(command, 9);
JLS 0:66e8e6fa8997 89 }
JLS 0:66e8e6fa8997 90
JLS 0:66e8e6fa8997 91 //******************************************************************************************************
JLS 0:66e8e6fa8997 92 // There is no way to have the uLCD-32PT trigger an interrupt when touched.
JLS 0:66e8e6fa8997 93 // This function polls the screen and waits for a touch to regiester
JLS 0:66e8e6fa8997 94 //******************************************************************************************************
JLS 0:66e8e6fa8997 95 void TFT_4DGL :: Pause_Until_Touch(int *x, int *y) { // Actually waits for a TouchScreen release!
JLS 0:66e8e6fa8997 96
JLS 0:66e8e6fa8997 97 char TouchStatus = 0; //Initalise the TouchStatus as 0 = no touch activity
JLS 0:66e8e6fa8997 98 char command[2] = "";
JLS 0:66e8e6fa8997 99
JLS 0:66e8e6fa8997 100 do{
JLS 0:66e8e6fa8997 101 TouchStatus = touch_status(); //Get the touchscreen status
JLS 0:66e8e6fa8997 102 wait(0.1);
JLS 0:66e8e6fa8997 103 }while (TouchStatus != 2);
JLS 0:66e8e6fa8997 104
JLS 0:66e8e6fa8997 105 command[0] = GETTOUCH;
JLS 0:66e8e6fa8997 106 command[1] = GETPOSITION;
JLS 0:66e8e6fa8997 107
JLS 0:66e8e6fa8997 108 getTOUCH(command, 2, x, y);
JLS 0:66e8e6fa8997 109 }