uVGAII_4DGL - a version of 4DGL with a minor change for the uVG…

Users » 4180_1 » Code » uVGAII_4DGL

a version of 4DGL with a minor change for the uVGAII 640 by 480 res

TFT_4DGL_Graphics.cpp@0:e25ba425dc7b, 2011-02-24 (annotated)

Committer:: 4180_1
Date:: Thu Feb 24 15:14:36 2011 +0000
Revision:: 0:e25ba425dc7b

Who changed what in which revision?

User	Revision	Line number	New contents of line
4180_1	0:e25ba425dc7b	1	//
4180_1	0:e25ba425dc7b	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
4180_1	0:e25ba425dc7b	3	//
4180_1	0:e25ba425dc7b	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
4180_1	0:e25ba425dc7b	5	//
4180_1	0:e25ba425dc7b	6	// TFT_4DGL is free software: you can redistribute it and/or modify
4180_1	0:e25ba425dc7b	7	// it under the terms of the GNU General Public License as published by
4180_1	0:e25ba425dc7b	8	// the Free Software Foundation, either version 3 of the License, or
4180_1	0:e25ba425dc7b	9	// (at your option) any later version.
4180_1	0:e25ba425dc7b	10	//
4180_1	0:e25ba425dc7b	11	// TFT_4DGL is distributed in the hope that it will be useful,
4180_1	0:e25ba425dc7b	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
4180_1	0:e25ba425dc7b	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4180_1	0:e25ba425dc7b	14	// GNU General Public License for more details.
4180_1	0:e25ba425dc7b	15	//
4180_1	0:e25ba425dc7b	16	// You should have received a copy of the GNU General Public License
4180_1	0:e25ba425dc7b	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
4180_1	0:e25ba425dc7b	18
4180_1	0:e25ba425dc7b	19	#include "mbed.h"
4180_1	0:e25ba425dc7b	20	#include "TFT_4DGL.h"
4180_1	0:e25ba425dc7b	21
4180_1	0:e25ba425dc7b	22
4180_1	0:e25ba425dc7b	23	//****************************************************************************************************
4180_1	0:e25ba425dc7b	24	void TFT_4DGL :: circle(int x, int y , int radius, int color) { // draw a circle in (x,y)
4180_1	0:e25ba425dc7b	25	char command[9]= "";
4180_1	0:e25ba425dc7b	26
4180_1	0:e25ba425dc7b	27	command[0] = CIRCLE;
4180_1	0:e25ba425dc7b	28
4180_1	0:e25ba425dc7b	29	command[1] = (x >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	30	command[2] = x & 0xFF;
4180_1	0:e25ba425dc7b	31
4180_1	0:e25ba425dc7b	32	command[3] = (y >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	33	command[4] = y & 0xFF;
4180_1	0:e25ba425dc7b	34
4180_1	0:e25ba425dc7b	35	command[5] = (radius >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	36	command[6] = radius & 0xFF;
4180_1	0:e25ba425dc7b	37
4180_1	0:e25ba425dc7b	38	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
4180_1	0:e25ba425dc7b	39	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
4180_1	0:e25ba425dc7b	40	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
4180_1	0:e25ba425dc7b	41
4180_1	0:e25ba425dc7b	42	command[7] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
4180_1	0:e25ba425dc7b	43	command[8] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
4180_1	0:e25ba425dc7b	44
4180_1	0:e25ba425dc7b	45	writeCOMMAND(command, 9);
4180_1	0:e25ba425dc7b	46	}
4180_1	0:e25ba425dc7b	47
4180_1	0:e25ba425dc7b	48	//****************************************************************************************************
4180_1	0:e25ba425dc7b	49	void TFT_4DGL :: triangle(int x1, int y1 , int x2, int y2, int x3, int y3, int color) { // draw a traingle
4180_1	0:e25ba425dc7b	50	char command[15]= "";
4180_1	0:e25ba425dc7b	51
4180_1	0:e25ba425dc7b	52	command[0] = TRIANGLE;
4180_1	0:e25ba425dc7b	53
4180_1	0:e25ba425dc7b	54	command[1] = (x1 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	55	command[2] = x1 & 0xFF;
4180_1	0:e25ba425dc7b	56
4180_1	0:e25ba425dc7b	57	command[3] = (y1 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	58	command[4] = y1 & 0xFF;
4180_1	0:e25ba425dc7b	59
4180_1	0:e25ba425dc7b	60	command[5] = (x2 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	61	command[6] = x2 & 0xFF;
4180_1	0:e25ba425dc7b	62
4180_1	0:e25ba425dc7b	63	command[7] = (y2 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	64	command[8] = y2 & 0xFF;
4180_1	0:e25ba425dc7b	65
4180_1	0:e25ba425dc7b	66	command[9] = (x3 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	67	command[10] = x3 & 0xFF;
4180_1	0:e25ba425dc7b	68
4180_1	0:e25ba425dc7b	69	command[11] = (y3 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	70	command[12] = y3 & 0xFF;
4180_1	0:e25ba425dc7b	71
4180_1	0:e25ba425dc7b	72	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
4180_1	0:e25ba425dc7b	73	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
4180_1	0:e25ba425dc7b	74	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
4180_1	0:e25ba425dc7b	75
4180_1	0:e25ba425dc7b	76	command[13] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
4180_1	0:e25ba425dc7b	77	command[14] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
4180_1	0:e25ba425dc7b	78
4180_1	0:e25ba425dc7b	79	writeCOMMAND(command, 15);
4180_1	0:e25ba425dc7b	80	}
4180_1	0:e25ba425dc7b	81
4180_1	0:e25ba425dc7b	82	//****************************************************************************************************
4180_1	0:e25ba425dc7b	83	void TFT_4DGL :: line(int x1, int y1 , int x2, int y2, int color) { // draw a line
4180_1	0:e25ba425dc7b	84	char command[11]= "";
4180_1	0:e25ba425dc7b	85
4180_1	0:e25ba425dc7b	86	command[0] = LINE;
4180_1	0:e25ba425dc7b	87
4180_1	0:e25ba425dc7b	88	command[1] = (x1 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	89	command[2] = x1 & 0xFF;
4180_1	0:e25ba425dc7b	90
4180_1	0:e25ba425dc7b	91	command[3] = (y1 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	92	command[4] = y1 & 0xFF;
4180_1	0:e25ba425dc7b	93
4180_1	0:e25ba425dc7b	94	command[5] = (x2 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	95	command[6] = x2 & 0xFF;
4180_1	0:e25ba425dc7b	96
4180_1	0:e25ba425dc7b	97	command[7] = (y2 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	98	command[8] = y2 & 0xFF;
4180_1	0:e25ba425dc7b	99
4180_1	0:e25ba425dc7b	100	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
4180_1	0:e25ba425dc7b	101	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
4180_1	0:e25ba425dc7b	102	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
4180_1	0:e25ba425dc7b	103
4180_1	0:e25ba425dc7b	104	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
4180_1	0:e25ba425dc7b	105	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
4180_1	0:e25ba425dc7b	106
4180_1	0:e25ba425dc7b	107	writeCOMMAND(command, 11);
4180_1	0:e25ba425dc7b	108	}
4180_1	0:e25ba425dc7b	109
4180_1	0:e25ba425dc7b	110	//****************************************************************************************************
4180_1	0:e25ba425dc7b	111	void TFT_4DGL :: rectangle(int x1, int y1 , int x2, int y2, int color) { // draw a rectangle
4180_1	0:e25ba425dc7b	112	char command[11]= "";
4180_1	0:e25ba425dc7b	113
4180_1	0:e25ba425dc7b	114	command[0] = RECTANGLE;
4180_1	0:e25ba425dc7b	115
4180_1	0:e25ba425dc7b	116	command[1] = (x1 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	117	command[2] = x1 & 0xFF;
4180_1	0:e25ba425dc7b	118
4180_1	0:e25ba425dc7b	119	command[3] = (y1 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	120	command[4] = y1 & 0xFF;
4180_1	0:e25ba425dc7b	121
4180_1	0:e25ba425dc7b	122	command[5] = (x2 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	123	command[6] = x2 & 0xFF;
4180_1	0:e25ba425dc7b	124
4180_1	0:e25ba425dc7b	125	command[7] = (y2 >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	126	command[8] = y2 & 0xFF;
4180_1	0:e25ba425dc7b	127
4180_1	0:e25ba425dc7b	128	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
4180_1	0:e25ba425dc7b	129	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
4180_1	0:e25ba425dc7b	130	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
4180_1	0:e25ba425dc7b	131
4180_1	0:e25ba425dc7b	132	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
4180_1	0:e25ba425dc7b	133	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
4180_1	0:e25ba425dc7b	134
4180_1	0:e25ba425dc7b	135	writeCOMMAND(command, 11);
4180_1	0:e25ba425dc7b	136	}
4180_1	0:e25ba425dc7b	137
4180_1	0:e25ba425dc7b	138	//****************************************************************************************************
4180_1	0:e25ba425dc7b	139	void TFT_4DGL :: ellipse(int x, int y , int radius_x, int radius_y, int color) { // draw an ellipse
4180_1	0:e25ba425dc7b	140	char command[11]= "";
4180_1	0:e25ba425dc7b	141
4180_1	0:e25ba425dc7b	142	command[0] = ELLIPSE;
4180_1	0:e25ba425dc7b	143
4180_1	0:e25ba425dc7b	144	command[1] = (x >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	145	command[2] = x & 0xFF;
4180_1	0:e25ba425dc7b	146
4180_1	0:e25ba425dc7b	147	command[3] = (y >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	148	command[4] = y & 0xFF;
4180_1	0:e25ba425dc7b	149
4180_1	0:e25ba425dc7b	150	command[5] = (radius_x >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	151	command[6] = radius_x & 0xFF;
4180_1	0:e25ba425dc7b	152
4180_1	0:e25ba425dc7b	153	command[7] = (radius_y >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	154	command[8] = radius_y & 0xFF;
4180_1	0:e25ba425dc7b	155
4180_1	0:e25ba425dc7b	156	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
4180_1	0:e25ba425dc7b	157	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
4180_1	0:e25ba425dc7b	158	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
4180_1	0:e25ba425dc7b	159
4180_1	0:e25ba425dc7b	160	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
4180_1	0:e25ba425dc7b	161	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
4180_1	0:e25ba425dc7b	162
4180_1	0:e25ba425dc7b	163	writeCOMMAND(command, 11);
4180_1	0:e25ba425dc7b	164	}
4180_1	0:e25ba425dc7b	165
4180_1	0:e25ba425dc7b	166	//****************************************************************************************************
4180_1	0:e25ba425dc7b	167	void TFT_4DGL :: pixel(int x, int y, int color) { // draw a pixel
4180_1	0:e25ba425dc7b	168	char command[7]= "";
4180_1	0:e25ba425dc7b	169
4180_1	0:e25ba425dc7b	170	command[0] = PIXEL;
4180_1	0:e25ba425dc7b	171
4180_1	0:e25ba425dc7b	172	command[1] = (x >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	173	command[2] = x & 0xFF;
4180_1	0:e25ba425dc7b	174
4180_1	0:e25ba425dc7b	175	command[3] = (y >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	176	command[4] = y & 0xFF;
4180_1	0:e25ba425dc7b	177
4180_1	0:e25ba425dc7b	178	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
4180_1	0:e25ba425dc7b	179	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
4180_1	0:e25ba425dc7b	180	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
4180_1	0:e25ba425dc7b	181
4180_1	0:e25ba425dc7b	182	command[5] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
4180_1	0:e25ba425dc7b	183	command[6] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
4180_1	0:e25ba425dc7b	184
4180_1	0:e25ba425dc7b	185	writeCOMMAND(command, 7);
4180_1	0:e25ba425dc7b	186	}
4180_1	0:e25ba425dc7b	187
4180_1	0:e25ba425dc7b	188	//******************************************************************************************************
4180_1	0:e25ba425dc7b	189	int TFT_4DGL :: read_pixel(int x, int y) { // read screen info and populate data
4180_1	0:e25ba425dc7b	190
4180_1	0:e25ba425dc7b	191	char command[5]= "";
4180_1	0:e25ba425dc7b	192
4180_1	0:e25ba425dc7b	193	command[0] = READPIXEL;
4180_1	0:e25ba425dc7b	194
4180_1	0:e25ba425dc7b	195	command[1] = (x >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	196	command[2] = x & 0xFF;
4180_1	0:e25ba425dc7b	197
4180_1	0:e25ba425dc7b	198	command[3] = (y >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	199	command[4] = y & 0xFF;
4180_1	0:e25ba425dc7b	200
4180_1	0:e25ba425dc7b	201	int i, temp = 0, color = 0, resp = 0;
4180_1	0:e25ba425dc7b	202	char response[2] = "";
4180_1	0:e25ba425dc7b	203
4180_1	0:e25ba425dc7b	204	freeBUFFER();
4180_1	0:e25ba425dc7b	205
4180_1	0:e25ba425dc7b	206	for (i = 0; i < 5; i++) { // send all chars to serial port
4180_1	0:e25ba425dc7b	207	writeBYTE(command[i]);
4180_1	0:e25ba425dc7b	208	}
4180_1	0:e25ba425dc7b	209
4180_1	0:e25ba425dc7b	210	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
4180_1	0:e25ba425dc7b	211
4180_1	0:e25ba425dc7b	212	while (_cmd.readable()) {
4180_1	0:e25ba425dc7b	213	temp = _cmd.getc();
4180_1	0:e25ba425dc7b	214	response[resp++] = (char)temp;
4180_1	0:e25ba425dc7b	215	}
4180_1	0:e25ba425dc7b	216
4180_1	0:e25ba425dc7b	217	color = ((response[0] << 8) + response[1]);
4180_1	0:e25ba425dc7b	218
4180_1	0:e25ba425dc7b	219	return color; // WARNING : this is 16bits color, not 24bits... need to be fixed
4180_1	0:e25ba425dc7b	220	}
4180_1	0:e25ba425dc7b	221
4180_1	0:e25ba425dc7b	222	//******************************************************************************************************
4180_1	0:e25ba425dc7b	223	void TFT_4DGL :: screen_copy(int xs, int ys , int xd, int yd , int width, int height) {
4180_1	0:e25ba425dc7b	224
4180_1	0:e25ba425dc7b	225	char command[13]= "";
4180_1	0:e25ba425dc7b	226
4180_1	0:e25ba425dc7b	227	command[0] = SCREENCOPY;
4180_1	0:e25ba425dc7b	228
4180_1	0:e25ba425dc7b	229	command[1] = (xs >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	230	command[2] = xs & 0xFF;
4180_1	0:e25ba425dc7b	231
4180_1	0:e25ba425dc7b	232	command[3] = (ys >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	233	command[4] = ys & 0xFF;
4180_1	0:e25ba425dc7b	234
4180_1	0:e25ba425dc7b	235	command[5] = (xd >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	236	command[6] = xd & 0xFF;
4180_1	0:e25ba425dc7b	237
4180_1	0:e25ba425dc7b	238	command[7] = (yd >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	239	command[8] = yd & 0xFF;
4180_1	0:e25ba425dc7b	240
4180_1	0:e25ba425dc7b	241	command[9] = (width >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	242	command[10] = width & 0xFF;
4180_1	0:e25ba425dc7b	243
4180_1	0:e25ba425dc7b	244	command[11] = (height >> 8) & 0xFF;
4180_1	0:e25ba425dc7b	245	command[12] = height & 0xFF;
4180_1	0:e25ba425dc7b	246
4180_1	0:e25ba425dc7b	247	writeCOMMAND(command, 13);
4180_1	0:e25ba425dc7b	248	}
4180_1	0:e25ba425dc7b	249
4180_1	0:e25ba425dc7b	250	//****************************************************************************************************
4180_1	0:e25ba425dc7b	251	void TFT_4DGL :: pen_size(char mode) { // set pen to SOLID or WIREFRAME
4180_1	0:e25ba425dc7b	252	char command[2]= "";
4180_1	0:e25ba425dc7b	253
4180_1	0:e25ba425dc7b	254	command[0] = PENSIZE;
4180_1	0:e25ba425dc7b	255	command[1] = mode;
4180_1	0:e25ba425dc7b	256
4180_1	0:e25ba425dc7b	257	writeCOMMAND(command, 2);
4180_1	0:e25ba425dc7b	258	}

Repository toolbox

Export to desktop IDE

Repository details

Type:	Library
Created:	24 Feb 2011
Imports:	33
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	2

TFT_4DGL_Graphics.cpp@0:e25ba425dc7b, 2011-02-24 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning