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TFT_4DGL_Graphics.cpp@0:00e3d536b542, 2011-02-12 (annotated)

Committer:: JLS
Date:: Sat Feb 12 21:30:43 2011 +0000
Revision:: 0:00e3d536b542

Who changed what in which revision?

User	Revision	Line number	New contents of line
JLS	0:00e3d536b542	1	//
JLS	0:00e3d536b542	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS	0:00e3d536b542	3	//
JLS	0:00e3d536b542	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS	0:00e3d536b542	5	//
JLS	0:00e3d536b542	6	// TFT_4DGL is free software: you can redistribute it and/or modify
JLS	0:00e3d536b542	7	// it under the terms of the GNU General Public License as published by
JLS	0:00e3d536b542	8	// the Free Software Foundation, either version 3 of the License, or
JLS	0:00e3d536b542	9	// (at your option) any later version.
JLS	0:00e3d536b542	10	//
JLS	0:00e3d536b542	11	// TFT_4DGL is distributed in the hope that it will be useful,
JLS	0:00e3d536b542	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS	0:00e3d536b542	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS	0:00e3d536b542	14	// GNU General Public License for more details.
JLS	0:00e3d536b542	15	//
JLS	0:00e3d536b542	16	// You should have received a copy of the GNU General Public License
JLS	0:00e3d536b542	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS	0:00e3d536b542	18
JLS	0:00e3d536b542	19	#include "mbed.h"
JLS	0:00e3d536b542	20	#include "TFT_4DGL.h"
JLS	0:00e3d536b542	21
JLS	0:00e3d536b542	22
JLS	0:00e3d536b542	23	//****************************************************************************************************
JLS	0:00e3d536b542	24	void TFT_4DGL :: circle(int x, int y , int radius, int color) { // draw a circle in (x,y)
JLS	0:00e3d536b542	25	char command[9]= "";
JLS	0:00e3d536b542	26
JLS	0:00e3d536b542	27	command[0] = CIRCLE;
JLS	0:00e3d536b542	28
JLS	0:00e3d536b542	29	command[1] = (x >> 8) & 0xFF;
JLS	0:00e3d536b542	30	command[2] = x & 0xFF;
JLS	0:00e3d536b542	31
JLS	0:00e3d536b542	32	command[3] = (y >> 8) & 0xFF;
JLS	0:00e3d536b542	33	command[4] = y & 0xFF;
JLS	0:00e3d536b542	34
JLS	0:00e3d536b542	35	command[5] = (radius >> 8) & 0xFF;
JLS	0:00e3d536b542	36	command[6] = radius & 0xFF;
JLS	0:00e3d536b542	37
JLS	0:00e3d536b542	38	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:00e3d536b542	39	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:00e3d536b542	40	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:00e3d536b542	41
JLS	0:00e3d536b542	42	command[7] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:00e3d536b542	43	command[8] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:00e3d536b542	44
JLS	0:00e3d536b542	45	writeCOMMAND(command, 9);
JLS	0:00e3d536b542	46	}
JLS	0:00e3d536b542	47
JLS	0:00e3d536b542	48	//****************************************************************************************************
JLS	0:00e3d536b542	49	void TFT_4DGL :: triangle(int x1, int y1 , int x2, int y2, int x3, int y3, int color) { // draw a traingle
JLS	0:00e3d536b542	50	char command[15]= "";
JLS	0:00e3d536b542	51
JLS	0:00e3d536b542	52	command[0] = TRIANGLE;
JLS	0:00e3d536b542	53
JLS	0:00e3d536b542	54	command[1] = (x1 >> 8) & 0xFF;
JLS	0:00e3d536b542	55	command[2] = x1 & 0xFF;
JLS	0:00e3d536b542	56
JLS	0:00e3d536b542	57	command[3] = (y1 >> 8) & 0xFF;
JLS	0:00e3d536b542	58	command[4] = y1 & 0xFF;
JLS	0:00e3d536b542	59
JLS	0:00e3d536b542	60	command[5] = (x2 >> 8) & 0xFF;
JLS	0:00e3d536b542	61	command[6] = x2 & 0xFF;
JLS	0:00e3d536b542	62
JLS	0:00e3d536b542	63	command[7] = (y2 >> 8) & 0xFF;
JLS	0:00e3d536b542	64	command[8] = y2 & 0xFF;
JLS	0:00e3d536b542	65
JLS	0:00e3d536b542	66	command[9] = (x3 >> 8) & 0xFF;
JLS	0:00e3d536b542	67	command[10] = x3 & 0xFF;
JLS	0:00e3d536b542	68
JLS	0:00e3d536b542	69	command[11] = (y3 >> 8) & 0xFF;
JLS	0:00e3d536b542	70	command[12] = y3 & 0xFF;
JLS	0:00e3d536b542	71
JLS	0:00e3d536b542	72	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:00e3d536b542	73	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:00e3d536b542	74	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:00e3d536b542	75
JLS	0:00e3d536b542	76	command[13] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:00e3d536b542	77	command[14] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:00e3d536b542	78
JLS	0:00e3d536b542	79	writeCOMMAND(command, 15);
JLS	0:00e3d536b542	80	}
JLS	0:00e3d536b542	81
JLS	0:00e3d536b542	82	//****************************************************************************************************
JLS	0:00e3d536b542	83	void TFT_4DGL :: line(int x1, int y1 , int x2, int y2, int color) { // draw a line
JLS	0:00e3d536b542	84	char command[11]= "";
JLS	0:00e3d536b542	85
JLS	0:00e3d536b542	86	command[0] = LINE;
JLS	0:00e3d536b542	87
JLS	0:00e3d536b542	88	command[1] = (x1 >> 8) & 0xFF;
JLS	0:00e3d536b542	89	command[2] = x1 & 0xFF;
JLS	0:00e3d536b542	90
JLS	0:00e3d536b542	91	command[3] = (y1 >> 8) & 0xFF;
JLS	0:00e3d536b542	92	command[4] = y1 & 0xFF;
JLS	0:00e3d536b542	93
JLS	0:00e3d536b542	94	command[5] = (x2 >> 8) & 0xFF;
JLS	0:00e3d536b542	95	command[6] = x2 & 0xFF;
JLS	0:00e3d536b542	96
JLS	0:00e3d536b542	97	command[7] = (y2 >> 8) & 0xFF;
JLS	0:00e3d536b542	98	command[8] = y2 & 0xFF;
JLS	0:00e3d536b542	99
JLS	0:00e3d536b542	100	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:00e3d536b542	101	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:00e3d536b542	102	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:00e3d536b542	103
JLS	0:00e3d536b542	104	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:00e3d536b542	105	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:00e3d536b542	106
JLS	0:00e3d536b542	107	writeCOMMAND(command, 11);
JLS	0:00e3d536b542	108	}
JLS	0:00e3d536b542	109
JLS	0:00e3d536b542	110	//****************************************************************************************************
JLS	0:00e3d536b542	111	void TFT_4DGL :: rectangle(int x1, int y1 , int x2, int y2, int color) { // draw a rectangle
JLS	0:00e3d536b542	112	char command[11]= "";
JLS	0:00e3d536b542	113
JLS	0:00e3d536b542	114	command[0] = RECTANGLE;
JLS	0:00e3d536b542	115
JLS	0:00e3d536b542	116	command[1] = (x1 >> 8) & 0xFF;
JLS	0:00e3d536b542	117	command[2] = x1 & 0xFF;
JLS	0:00e3d536b542	118
JLS	0:00e3d536b542	119	command[3] = (y1 >> 8) & 0xFF;
JLS	0:00e3d536b542	120	command[4] = y1 & 0xFF;
JLS	0:00e3d536b542	121
JLS	0:00e3d536b542	122	command[5] = (x2 >> 8) & 0xFF;
JLS	0:00e3d536b542	123	command[6] = x2 & 0xFF;
JLS	0:00e3d536b542	124
JLS	0:00e3d536b542	125	command[7] = (y2 >> 8) & 0xFF;
JLS	0:00e3d536b542	126	command[8] = y2 & 0xFF;
JLS	0:00e3d536b542	127
JLS	0:00e3d536b542	128	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:00e3d536b542	129	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:00e3d536b542	130	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:00e3d536b542	131
JLS	0:00e3d536b542	132	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:00e3d536b542	133	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:00e3d536b542	134
JLS	0:00e3d536b542	135	writeCOMMAND(command, 11);
JLS	0:00e3d536b542	136	}
JLS	0:00e3d536b542	137
JLS	0:00e3d536b542	138	//****************************************************************************************************
JLS	0:00e3d536b542	139	void TFT_4DGL :: ellipse(int x, int y , int radius_x, int radius_y, int color) { // draw an ellipse
JLS	0:00e3d536b542	140	char command[11]= "";
JLS	0:00e3d536b542	141
JLS	0:00e3d536b542	142	command[0] = ELLIPSE;
JLS	0:00e3d536b542	143
JLS	0:00e3d536b542	144	command[1] = (x >> 8) & 0xFF;
JLS	0:00e3d536b542	145	command[2] = x & 0xFF;
JLS	0:00e3d536b542	146
JLS	0:00e3d536b542	147	command[3] = (y >> 8) & 0xFF;
JLS	0:00e3d536b542	148	command[4] = y & 0xFF;
JLS	0:00e3d536b542	149
JLS	0:00e3d536b542	150	command[5] = (radius_x >> 8) & 0xFF;
JLS	0:00e3d536b542	151	command[6] = radius_x & 0xFF;
JLS	0:00e3d536b542	152
JLS	0:00e3d536b542	153	command[7] = (radius_y >> 8) & 0xFF;
JLS	0:00e3d536b542	154	command[8] = radius_y & 0xFF;
JLS	0:00e3d536b542	155
JLS	0:00e3d536b542	156	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:00e3d536b542	157	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:00e3d536b542	158	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:00e3d536b542	159
JLS	0:00e3d536b542	160	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:00e3d536b542	161	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:00e3d536b542	162
JLS	0:00e3d536b542	163	writeCOMMAND(command, 11);
JLS	0:00e3d536b542	164	}
JLS	0:00e3d536b542	165
JLS	0:00e3d536b542	166	//****************************************************************************************************
JLS	0:00e3d536b542	167	void TFT_4DGL :: pixel(int x, int y, int color) { // draw a pixel
JLS	0:00e3d536b542	168	char command[7]= "";
JLS	0:00e3d536b542	169
JLS	0:00e3d536b542	170	command[0] = PIXEL;
JLS	0:00e3d536b542	171
JLS	0:00e3d536b542	172	command[1] = (x >> 8) & 0xFF;
JLS	0:00e3d536b542	173	command[2] = x & 0xFF;
JLS	0:00e3d536b542	174
JLS	0:00e3d536b542	175	command[3] = (y >> 8) & 0xFF;
JLS	0:00e3d536b542	176	command[4] = y & 0xFF;
JLS	0:00e3d536b542	177
JLS	0:00e3d536b542	178	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:00e3d536b542	179	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:00e3d536b542	180	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:00e3d536b542	181
JLS	0:00e3d536b542	182	command[5] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:00e3d536b542	183	command[6] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:00e3d536b542	184
JLS	0:00e3d536b542	185	writeCOMMAND(command, 7);
JLS	0:00e3d536b542	186	}
JLS	0:00e3d536b542	187
JLS	0:00e3d536b542	188	//******************************************************************************************************
JLS	0:00e3d536b542	189	int TFT_4DGL :: read_pixel(int x, int y) { // read screen info and populate data
JLS	0:00e3d536b542	190
JLS	0:00e3d536b542	191	char command[5]= "";
JLS	0:00e3d536b542	192
JLS	0:00e3d536b542	193	command[0] = READPIXEL;
JLS	0:00e3d536b542	194
JLS	0:00e3d536b542	195	command[1] = (x >> 8) & 0xFF;
JLS	0:00e3d536b542	196	command[2] = x & 0xFF;
JLS	0:00e3d536b542	197
JLS	0:00e3d536b542	198	command[3] = (y >> 8) & 0xFF;
JLS	0:00e3d536b542	199	command[4] = y & 0xFF;
JLS	0:00e3d536b542	200
JLS	0:00e3d536b542	201	int i, temp = 0, color = 0, resp = 0;
JLS	0:00e3d536b542	202	char response[2] = "";
JLS	0:00e3d536b542	203
JLS	0:00e3d536b542	204	freeBUFFER();
JLS	0:00e3d536b542	205
JLS	0:00e3d536b542	206	for (i = 0; i < 5; i++) { // send all chars to serial port
JLS	0:00e3d536b542	207	writeBYTE(command[i]);
JLS	0:00e3d536b542	208	}
JLS	0:00e3d536b542	209
JLS	0:00e3d536b542	210	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:00e3d536b542	211
JLS	0:00e3d536b542	212	while (_cmd.readable()) {
JLS	0:00e3d536b542	213	temp = _cmd.getc();
JLS	0:00e3d536b542	214	response[resp++] = (char)temp;
JLS	0:00e3d536b542	215	}
JLS	0:00e3d536b542	216
JLS	0:00e3d536b542	217	color = ((response[0] << 8) + response[1]);
JLS	0:00e3d536b542	218
JLS	0:00e3d536b542	219	return color; // WARNING : this is 16bits color, not 24bits... need to be fixed
JLS	0:00e3d536b542	220	}
JLS	0:00e3d536b542	221
JLS	0:00e3d536b542	222	//******************************************************************************************************
JLS	0:00e3d536b542	223	void TFT_4DGL :: screen_copy(int xs, int ys , int xd, int yd , int width, int height) {
JLS	0:00e3d536b542	224
JLS	0:00e3d536b542	225	char command[13]= "";
JLS	0:00e3d536b542	226
JLS	0:00e3d536b542	227	command[0] = SCREENCOPY;
JLS	0:00e3d536b542	228
JLS	0:00e3d536b542	229	command[1] = (xs >> 8) & 0xFF;
JLS	0:00e3d536b542	230	command[2] = xs & 0xFF;
JLS	0:00e3d536b542	231
JLS	0:00e3d536b542	232	command[3] = (ys >> 8) & 0xFF;
JLS	0:00e3d536b542	233	command[4] = ys & 0xFF;
JLS	0:00e3d536b542	234
JLS	0:00e3d536b542	235	command[5] = (xd >> 8) & 0xFF;
JLS	0:00e3d536b542	236	command[6] = xd & 0xFF;
JLS	0:00e3d536b542	237
JLS	0:00e3d536b542	238	command[7] = (yd >> 8) & 0xFF;
JLS	0:00e3d536b542	239	command[8] = yd & 0xFF;
JLS	0:00e3d536b542	240
JLS	0:00e3d536b542	241	command[9] = (width >> 8) & 0xFF;
JLS	0:00e3d536b542	242	command[10] = width & 0xFF;
JLS	0:00e3d536b542	243
JLS	0:00e3d536b542	244	command[11] = (height >> 8) & 0xFF;
JLS	0:00e3d536b542	245	command[12] = height & 0xFF;
JLS	0:00e3d536b542	246
JLS	0:00e3d536b542	247	writeCOMMAND(command, 13);
JLS	0:00e3d536b542	248	}
JLS	0:00e3d536b542	249
JLS	0:00e3d536b542	250	//****************************************************************************************************
JLS	0:00e3d536b542	251	void TFT_4DGL :: pen_size(char mode) { // set pen to SOLID or WIREFRAME
JLS	0:00e3d536b542	252	char command[2]= "";
JLS	0:00e3d536b542	253
JLS	0:00e3d536b542	254	command[0] = PENSIZE;
JLS	0:00e3d536b542	255	command[1] = mode;
JLS	0:00e3d536b542	256
JLS	0:00e3d536b542	257	writeCOMMAND(command, 2);
JLS	0:00e3d536b542	258	}
JLS	0:00e3d536b542	259
JLS	0:00e3d536b542	260	//****************************************************************************************************
JLS	0:00e3d536b542	261	// This plays a .wav file from the FAT partition of an uSD Card
JLS	0:00e3d536b542	262	// Not really recommended as the speaker on the uLCD-32PT is really bad!
JLS	0:00e3d536b542	263	//****************************************************************************************************
JLS	0:00e3d536b542	264	void TFT_4DGL :: SD_Card_Wav(char *Filename) {
JLS	0:00e3d536b542	265	char command[21]= "";
JLS	0:00e3d536b542	266	int Lgt=0;
JLS	0:00e3d536b542	267
JLS	0:00e3d536b542	268	command[0] = 0x40; //ext_cmd
JLS	0:00e3d536b542	269	command[1] = 0x6C; //Play Audio
JLS	0:00e3d536b542	270	command[2] = 0x01; //Option 0x00=Return at end, 0x01=Return now, 0x02=Stop, 0x03=Pause, 0x04=Resume, 0x05=Loop.
JLS	0:00e3d536b542	271	for(int i=0;Filename[i]!=0x00;i++){
JLS	0:00e3d536b542	272	command[i+3] = Filename[i];
JLS	0:00e3d536b542	273	Lgt = i;
JLS	0:00e3d536b542	274	}
JLS	0:00e3d536b542	275	command[Lgt+4] = 0x2E; //.
JLS	0:00e3d536b542	276	command[Lgt+5] = 0x77; //w
JLS	0:00e3d536b542	277	command[Lgt+6] = 0x61; //a
JLS	0:00e3d536b542	278	command[Lgt+7] = 0x76; //v
JLS	0:00e3d536b542	279	command[Lgt+8] = 0x00; //terminator
JLS	0:00e3d536b542	280
JLS	0:00e3d536b542	281	writeCOMMAND(command, Lgt+9);
JLS	0:00e3d536b542	282	}
JLS	0:00e3d536b542	283
JLS	0:00e3d536b542	284	//****************************************************************************************************
JLS	0:00e3d536b542	285	// This sets the volume for the speaker on the uLCD-32PT
JLS	0:00e3d536b542	286	//****************************************************************************************************
JLS	0:00e3d536b542	287	void TFT_4DGL :: Set_Volume(char vol) {
JLS	0:00e3d536b542	288
JLS	0:00e3d536b542	289	char command[2]= "";
JLS	0:00e3d536b542	290
JLS	0:00e3d536b542	291	command[0] = 0x76; //cmd
JLS	0:00e3d536b542	292	command[1] = vol; //set volume
JLS	0:00e3d536b542	293
JLS	0:00e3d536b542	294	writeCOMMAND(command, 2);
JLS	0:00e3d536b542	295	}
JLS	0:00e3d536b542	296
JLS	0:00e3d536b542	297	//****************************************************************************************************
JLS	0:00e3d536b542	298	// This displays an image on the screen that is stored on the FAT partition of an uSD Card
JLS	0:00e3d536b542	299	// Sent Filename, X-pos, Y-pos, Sector Address - Display from the RAW partition is quicker
JLS	0:00e3d536b542	300	//****************************************************************************************************
JLS	0:00e3d536b542	301	void TFT_4DGL :: uSD_FAT_Image(char *Filename, int x, int y, long s) {
JLS	0:00e3d536b542	302	char X_MSB, X_LSB, Y_MSB, Y_LSB, S0, S1, S2, S3;
JLS	0:00e3d536b542	303	char command[25]= "";
JLS	0:00e3d536b542	304	int Lgt=0;
JLS	0:00e3d536b542	305
JLS	0:00e3d536b542	306	X_LSB = x&0x00FF;
JLS	0:00e3d536b542	307	X_MSB = (x >> 8);
JLS	0:00e3d536b542	308	Y_LSB = y&0x00FF;
JLS	0:00e3d536b542	309	Y_MSB = (y >> 8);
JLS	0:00e3d536b542	310
JLS	0:00e3d536b542	311	S0 = (s >> 20)&0x000000FF;
JLS	0:00e3d536b542	312	S1 = (s >> 16)&0x0000FF;
JLS	0:00e3d536b542	313	S2 = (s >> 8)&0x0000FF;
JLS	0:00e3d536b542	314	S3 = s&0x0000FF;;
JLS	0:00e3d536b542	315
JLS	0:00e3d536b542	316	command[0] = '@'; //ext_cmd
JLS	0:00e3d536b542	317	command[1] = 'm'; //FAT Image
JLS	0:00e3d536b542	318	for(int i=0;Filename[i]!=0x00;i++){
JLS	0:00e3d536b542	319	command[i+2] = Filename[i];
JLS	0:00e3d536b542	320	Lgt = i;
JLS	0:00e3d536b542	321	}
JLS	0:00e3d536b542	322	command[Lgt+3] = '.'; //.
JLS	0:00e3d536b542	323	command[Lgt+4] = 'G'; //G
JLS	0:00e3d536b542	324	command[Lgt+5] = 'C'; //C
JLS	0:00e3d536b542	325	command[Lgt+6] = 'I'; //I
JLS	0:00e3d536b542	326	command[Lgt+7] = 0x00; //Terminator
JLS	0:00e3d536b542	327	command[Lgt+8] = X_MSB; //X-Position MSB
JLS	0:00e3d536b542	328	command[Lgt+9] = X_LSB; //X-Position LSB
JLS	0:00e3d536b542	329	command[Lgt+10] = Y_MSB; //Y-Position MSB
JLS	0:00e3d536b542	330	command[Lgt+11] = Y_LSB; //Y-Position LSB
JLS	0:00e3d536b542	331	command[Lgt+12] = S0; //Sector Address 4 bytes
JLS	0:00e3d536b542	332	command[Lgt+13] = S1;
JLS	0:00e3d536b542	333	command[Lgt+14] = S2;
JLS	0:00e3d536b542	334	command[Lgt+15] = S3;
JLS	0:00e3d536b542	335
JLS	0:00e3d536b542	336	writeCOMMAND(command, Lgt+16);
JLS	0:00e3d536b542	337	}
JLS	0:00e3d536b542	338
JLS	0:00e3d536b542	339	//****************************************************************************************************
JLS	0:00e3d536b542	340	// This displays an image on the screen in the NEW FORMAT
JLS	0:00e3d536b542	341	// Sent X-pos, Y-pos, Sector Address - This is the recommended way to display images
JLS	0:00e3d536b542	342	//****************************************************************************************************
JLS	0:00e3d536b542	343	void TFT_4DGL :: uSD_Image(int x, int y, long s) {
JLS	0:00e3d536b542	344	char S1, S2, S3;
JLS	0:00e3d536b542	345	char X_MSB, X_LSB, Y_MSB, Y_LSB;
JLS	0:00e3d536b542	346	char command[9]= "";
JLS	0:00e3d536b542	347
JLS	0:00e3d536b542	348	X_LSB = x&0x00FF; //Work out the x position
JLS	0:00e3d536b542	349	X_MSB = (x >> 8);
JLS	0:00e3d536b542	350	Y_LSB = y&0x00FF; //Work out the y position
JLS	0:00e3d536b542	351	Y_MSB = (y >> 8);
JLS	0:00e3d536b542	352
JLS	0:00e3d536b542	353	S1 = (s >> 16)&0x0000FF; //Work out the sector address
JLS	0:00e3d536b542	354	S2 = (s >> 8)&0x0000FF;
JLS	0:00e3d536b542	355	S3 = s&0x0000FF;
JLS	0:00e3d536b542	356
JLS	0:00e3d536b542	357	command[0] = 0x40; //ext_cmd
JLS	0:00e3d536b542	358	command[1] = 0x49; //Display image
JLS	0:00e3d536b542	359	command[2] = X_MSB; //X position - 2 bytes
JLS	0:00e3d536b542	360	command[3] = X_LSB;
JLS	0:00e3d536b542	361	command[4] = Y_MSB; //Y position - 2 bytes
JLS	0:00e3d536b542	362	command[5] = Y_LSB;
JLS	0:00e3d536b542	363	command[6] = S1; //Sector address - 3 bytes
JLS	0:00e3d536b542	364	command[7] = S2;
JLS	0:00e3d536b542	365	command[8] = S3;
JLS	0:00e3d536b542	366
JLS	0:00e3d536b542	367	writeCOMMAND(command, 9);
JLS	0:00e3d536b542	368	}
JLS	0:00e3d536b542	369
JLS	0:00e3d536b542	370	//****************************************************************************************************
JLS	0:00e3d536b542	371	// This displays an video on the screen in the NEW FORMAT
JLS	0:00e3d536b542	372	// Sent X-pos, Y-pos, Sector Address - This is the recommended way to display video
JLS	0:00e3d536b542	373	//****************************************************************************************************
JLS	0:00e3d536b542	374	void TFT_4DGL :: uSD_Video(int x, int y, long s) {
JLS	0:00e3d536b542	375	char S1, S2, S3;
JLS	0:00e3d536b542	376	char X_MSB, X_LSB, Y_MSB, Y_LSB;
JLS	0:00e3d536b542	377	char command[10]= "";
JLS	0:00e3d536b542	378
JLS	0:00e3d536b542	379	X_LSB = x&0x00FF;
JLS	0:00e3d536b542	380	X_MSB = (x >> 8);
JLS	0:00e3d536b542	381	Y_LSB = y&0x00FF;
JLS	0:00e3d536b542	382	Y_MSB = (y >> 8);
JLS	0:00e3d536b542	383
JLS	0:00e3d536b542	384	S1 = (s >> 16)&0x0000FF;
JLS	0:00e3d536b542	385	S2 = (s >> 8)&0x0000FF;
JLS	0:00e3d536b542	386	S3 = s&0x0000FF;
JLS	0:00e3d536b542	387
JLS	0:00e3d536b542	388	command[0] = 0x40; //ext_cmd
JLS	0:00e3d536b542	389	command[1] = 0x56; //Display video
JLS	0:00e3d536b542	390	command[2] = X_MSB; //X position - 2 bytes
JLS	0:00e3d536b542	391	command[3] = X_LSB;
JLS	0:00e3d536b542	392	command[4] = Y_MSB; //Y position - 2 bytes
JLS	0:00e3d536b542	393	command[5] = Y_LSB;
JLS	0:00e3d536b542	394	command[6] = 0x00; //delay between frames
JLS	0:00e3d536b542	395	command[7] = S1; //Sector address - 3 bytes
JLS	0:00e3d536b542	396	command[8] = S2;
JLS	0:00e3d536b542	397	command[9] = S3;
JLS	0:00e3d536b542	398
JLS	0:00e3d536b542	399	writeCOMMAND(command, 10);
JLS	0:00e3d536b542	400	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	12 Feb 2011
Imports:	3
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

TFT_4DGL_Graphics.cpp@0:00e3d536b542, 2011-02-12 (annotated)

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