4DGLmbed - A program to display an image on the uLCD-32PT di…

Users » ms523 » Code » 4DGLmbed

Martin Smith / Mbed 2 deprecated 4DGLmbed

A program to display an image on the uLCD-32PT display by 4D Systems

TFT_4DGL_Graphics.cpp@0:fc4f3879f0e1, 2010-10-03 (annotated)

Committer:: ms523
Date:: Sun Oct 03 15:47:25 2010 +0000
Revision:: 0:fc4f3879f0e1

Who changed what in which revision?

User	Revision	Line number	New contents of line
ms523	0:fc4f3879f0e1	1	//
ms523	0:fc4f3879f0e1	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
ms523	0:fc4f3879f0e1	3	//
ms523	0:fc4f3879f0e1	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
ms523	0:fc4f3879f0e1	5	//
ms523	0:fc4f3879f0e1	6	// TFT_4DGL is free software: you can redistribute it and/or modify
ms523	0:fc4f3879f0e1	7	// it under the terms of the GNU General Public License as published by
ms523	0:fc4f3879f0e1	8	// the Free Software Foundation, either version 3 of the License, or
ms523	0:fc4f3879f0e1	9	// (at your option) any later version.
ms523	0:fc4f3879f0e1	10	//
ms523	0:fc4f3879f0e1	11	// TFT_4DGL is distributed in the hope that it will be useful,
ms523	0:fc4f3879f0e1	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
ms523	0:fc4f3879f0e1	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ms523	0:fc4f3879f0e1	14	// GNU General Public License for more details.
ms523	0:fc4f3879f0e1	15	//
ms523	0:fc4f3879f0e1	16	// You should have received a copy of the GNU General Public License
ms523	0:fc4f3879f0e1	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
ms523	0:fc4f3879f0e1	18
ms523	0:fc4f3879f0e1	19	#include "mbed.h"
ms523	0:fc4f3879f0e1	20	#include "TFT_4DGL.h"
ms523	0:fc4f3879f0e1	21
ms523	0:fc4f3879f0e1	22
ms523	0:fc4f3879f0e1	23	//****************************************************************************************************
ms523	0:fc4f3879f0e1	24	void TFT_4DGL :: circle(int x, int y , int radius, int color) { // draw a circle in (x,y)
ms523	0:fc4f3879f0e1	25	char command[9]= "";
ms523	0:fc4f3879f0e1	26
ms523	0:fc4f3879f0e1	27	command[0] = CIRCLE;
ms523	0:fc4f3879f0e1	28
ms523	0:fc4f3879f0e1	29	command[1] = (x >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	30	command[2] = x & 0xFF;
ms523	0:fc4f3879f0e1	31
ms523	0:fc4f3879f0e1	32	command[3] = (y >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	33	command[4] = y & 0xFF;
ms523	0:fc4f3879f0e1	34
ms523	0:fc4f3879f0e1	35	command[5] = (radius >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	36	command[6] = radius & 0xFF;
ms523	0:fc4f3879f0e1	37
ms523	0:fc4f3879f0e1	38	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	39	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	40	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	41
ms523	0:fc4f3879f0e1	42	command[7] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	43	command[8] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	44
ms523	0:fc4f3879f0e1	45	writeCOMMAND(command, 9);
ms523	0:fc4f3879f0e1	46	}
ms523	0:fc4f3879f0e1	47
ms523	0:fc4f3879f0e1	48	//****************************************************************************************************
ms523	0:fc4f3879f0e1	49	void TFT_4DGL :: triangle(int x1, int y1 , int x2, int y2, int x3, int y3, int color) { // draw a traingle
ms523	0:fc4f3879f0e1	50	char command[15]= "";
ms523	0:fc4f3879f0e1	51
ms523	0:fc4f3879f0e1	52	command[0] = TRIANGLE;
ms523	0:fc4f3879f0e1	53
ms523	0:fc4f3879f0e1	54	command[1] = (x1 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	55	command[2] = x1 & 0xFF;
ms523	0:fc4f3879f0e1	56
ms523	0:fc4f3879f0e1	57	command[3] = (y1 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	58	command[4] = y1 & 0xFF;
ms523	0:fc4f3879f0e1	59
ms523	0:fc4f3879f0e1	60	command[5] = (x2 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	61	command[6] = x2 & 0xFF;
ms523	0:fc4f3879f0e1	62
ms523	0:fc4f3879f0e1	63	command[7] = (y2 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	64	command[8] = y2 & 0xFF;
ms523	0:fc4f3879f0e1	65
ms523	0:fc4f3879f0e1	66	command[9] = (x3 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	67	command[10] = x3 & 0xFF;
ms523	0:fc4f3879f0e1	68
ms523	0:fc4f3879f0e1	69	command[11] = (y3 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	70	command[12] = y3 & 0xFF;
ms523	0:fc4f3879f0e1	71
ms523	0:fc4f3879f0e1	72	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	73	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	74	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	75
ms523	0:fc4f3879f0e1	76	command[13] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	77	command[14] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	78
ms523	0:fc4f3879f0e1	79	writeCOMMAND(command, 15);
ms523	0:fc4f3879f0e1	80	}
ms523	0:fc4f3879f0e1	81
ms523	0:fc4f3879f0e1	82	//****************************************************************************************************
ms523	0:fc4f3879f0e1	83	void TFT_4DGL :: line(int x1, int y1 , int x2, int y2, int color) { // draw a line
ms523	0:fc4f3879f0e1	84	char command[11]= "";
ms523	0:fc4f3879f0e1	85
ms523	0:fc4f3879f0e1	86	command[0] = LINE;
ms523	0:fc4f3879f0e1	87
ms523	0:fc4f3879f0e1	88	command[1] = (x1 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	89	command[2] = x1 & 0xFF;
ms523	0:fc4f3879f0e1	90
ms523	0:fc4f3879f0e1	91	command[3] = (y1 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	92	command[4] = y1 & 0xFF;
ms523	0:fc4f3879f0e1	93
ms523	0:fc4f3879f0e1	94	command[5] = (x2 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	95	command[6] = x2 & 0xFF;
ms523	0:fc4f3879f0e1	96
ms523	0:fc4f3879f0e1	97	command[7] = (y2 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	98	command[8] = y2 & 0xFF;
ms523	0:fc4f3879f0e1	99
ms523	0:fc4f3879f0e1	100	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	101	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	102	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	103
ms523	0:fc4f3879f0e1	104	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	105	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	106
ms523	0:fc4f3879f0e1	107	writeCOMMAND(command, 11);
ms523	0:fc4f3879f0e1	108	}
ms523	0:fc4f3879f0e1	109
ms523	0:fc4f3879f0e1	110	//****************************************************************************************************
ms523	0:fc4f3879f0e1	111	void TFT_4DGL :: rectangle(int x1, int y1 , int x2, int y2, int color) { // draw a rectangle
ms523	0:fc4f3879f0e1	112	char command[11]= "";
ms523	0:fc4f3879f0e1	113
ms523	0:fc4f3879f0e1	114	command[0] = RECTANGLE;
ms523	0:fc4f3879f0e1	115
ms523	0:fc4f3879f0e1	116	command[1] = (x1 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	117	command[2] = x1 & 0xFF;
ms523	0:fc4f3879f0e1	118
ms523	0:fc4f3879f0e1	119	command[3] = (y1 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	120	command[4] = y1 & 0xFF;
ms523	0:fc4f3879f0e1	121
ms523	0:fc4f3879f0e1	122	command[5] = (x2 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	123	command[6] = x2 & 0xFF;
ms523	0:fc4f3879f0e1	124
ms523	0:fc4f3879f0e1	125	command[7] = (y2 >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	126	command[8] = y2 & 0xFF;
ms523	0:fc4f3879f0e1	127
ms523	0:fc4f3879f0e1	128	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	129	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	130	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	131
ms523	0:fc4f3879f0e1	132	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	133	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	134
ms523	0:fc4f3879f0e1	135	writeCOMMAND(command, 11);
ms523	0:fc4f3879f0e1	136	}
ms523	0:fc4f3879f0e1	137
ms523	0:fc4f3879f0e1	138	//****************************************************************************************************
ms523	0:fc4f3879f0e1	139	void TFT_4DGL :: ellipse(int x, int y , int radius_x, int radius_y, int color) { // draw an ellipse
ms523	0:fc4f3879f0e1	140	char command[11]= "";
ms523	0:fc4f3879f0e1	141
ms523	0:fc4f3879f0e1	142	command[0] = ELLIPSE;
ms523	0:fc4f3879f0e1	143
ms523	0:fc4f3879f0e1	144	command[1] = (x >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	145	command[2] = x & 0xFF;
ms523	0:fc4f3879f0e1	146
ms523	0:fc4f3879f0e1	147	command[3] = (y >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	148	command[4] = y & 0xFF;
ms523	0:fc4f3879f0e1	149
ms523	0:fc4f3879f0e1	150	command[5] = (radius_x >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	151	command[6] = radius_x & 0xFF;
ms523	0:fc4f3879f0e1	152
ms523	0:fc4f3879f0e1	153	command[7] = (radius_y >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	154	command[8] = radius_y & 0xFF;
ms523	0:fc4f3879f0e1	155
ms523	0:fc4f3879f0e1	156	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	157	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	158	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	159
ms523	0:fc4f3879f0e1	160	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	161	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	162
ms523	0:fc4f3879f0e1	163	writeCOMMAND(command, 11);
ms523	0:fc4f3879f0e1	164	}
ms523	0:fc4f3879f0e1	165
ms523	0:fc4f3879f0e1	166	//****************************************************************************************************
ms523	0:fc4f3879f0e1	167	void TFT_4DGL :: pixel(int x, int y, int color) { // draw a pixel
ms523	0:fc4f3879f0e1	168	char command[7]= "";
ms523	0:fc4f3879f0e1	169
ms523	0:fc4f3879f0e1	170	command[0] = PIXEL;
ms523	0:fc4f3879f0e1	171
ms523	0:fc4f3879f0e1	172	command[1] = (x >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	173	command[2] = x & 0xFF;
ms523	0:fc4f3879f0e1	174
ms523	0:fc4f3879f0e1	175	command[3] = (y >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	176	command[4] = y & 0xFF;
ms523	0:fc4f3879f0e1	177
ms523	0:fc4f3879f0e1	178	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	179	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	180	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	181
ms523	0:fc4f3879f0e1	182	command[5] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	183	command[6] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	184
ms523	0:fc4f3879f0e1	185	writeCOMMAND(command, 7);
ms523	0:fc4f3879f0e1	186	}
ms523	0:fc4f3879f0e1	187
ms523	0:fc4f3879f0e1	188	//******************************************************************************************************
ms523	0:fc4f3879f0e1	189	int TFT_4DGL :: read_pixel(int x, int y) { // read screen info and populate data
ms523	0:fc4f3879f0e1	190
ms523	0:fc4f3879f0e1	191	char command[5]= "";
ms523	0:fc4f3879f0e1	192
ms523	0:fc4f3879f0e1	193	command[0] = READPIXEL;
ms523	0:fc4f3879f0e1	194
ms523	0:fc4f3879f0e1	195	command[1] = (x >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	196	command[2] = x & 0xFF;
ms523	0:fc4f3879f0e1	197
ms523	0:fc4f3879f0e1	198	command[3] = (y >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	199	command[4] = y & 0xFF;
ms523	0:fc4f3879f0e1	200
ms523	0:fc4f3879f0e1	201	int i, temp = 0, color = 0, resp = 0;
ms523	0:fc4f3879f0e1	202	char response[2] = "";
ms523	0:fc4f3879f0e1	203
ms523	0:fc4f3879f0e1	204	freeBUFFER();
ms523	0:fc4f3879f0e1	205
ms523	0:fc4f3879f0e1	206	for (i = 0; i < 5; i++) { // send all chars to serial port
ms523	0:fc4f3879f0e1	207	writeBYTE(command[i]);
ms523	0:fc4f3879f0e1	208	}
ms523	0:fc4f3879f0e1	209
ms523	0:fc4f3879f0e1	210	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
ms523	0:fc4f3879f0e1	211
ms523	0:fc4f3879f0e1	212	while (_cmd.readable()) {
ms523	0:fc4f3879f0e1	213	temp = _cmd.getc();
ms523	0:fc4f3879f0e1	214	response[resp++] = (char)temp;
ms523	0:fc4f3879f0e1	215	}
ms523	0:fc4f3879f0e1	216
ms523	0:fc4f3879f0e1	217	color = ((response[0] << 8) + response[1]);
ms523	0:fc4f3879f0e1	218
ms523	0:fc4f3879f0e1	219	return color; // WARNING : this is 16bits color, not 24bits... need to be fixed
ms523	0:fc4f3879f0e1	220	}
ms523	0:fc4f3879f0e1	221
ms523	0:fc4f3879f0e1	222	//******************************************************************************************************
ms523	0:fc4f3879f0e1	223	void TFT_4DGL :: screen_copy(int xs, int ys , int xd, int yd , int width, int height) {
ms523	0:fc4f3879f0e1	224
ms523	0:fc4f3879f0e1	225	char command[13]= "";
ms523	0:fc4f3879f0e1	226
ms523	0:fc4f3879f0e1	227	command[0] = SCREENCOPY;
ms523	0:fc4f3879f0e1	228
ms523	0:fc4f3879f0e1	229	command[1] = (xs >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	230	command[2] = xs & 0xFF;
ms523	0:fc4f3879f0e1	231
ms523	0:fc4f3879f0e1	232	command[3] = (ys >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	233	command[4] = ys & 0xFF;
ms523	0:fc4f3879f0e1	234
ms523	0:fc4f3879f0e1	235	command[5] = (xd >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	236	command[6] = xd & 0xFF;
ms523	0:fc4f3879f0e1	237
ms523	0:fc4f3879f0e1	238	command[7] = (yd >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	239	command[8] = yd & 0xFF;
ms523	0:fc4f3879f0e1	240
ms523	0:fc4f3879f0e1	241	command[9] = (width >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	242	command[10] = width & 0xFF;
ms523	0:fc4f3879f0e1	243
ms523	0:fc4f3879f0e1	244	command[11] = (height >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	245	command[12] = height & 0xFF;
ms523	0:fc4f3879f0e1	246
ms523	0:fc4f3879f0e1	247	writeCOMMAND(command, 13);
ms523	0:fc4f3879f0e1	248	}
ms523	0:fc4f3879f0e1	249
ms523	0:fc4f3879f0e1	250	//****************************************************************************************************
ms523	0:fc4f3879f0e1	251	void TFT_4DGL :: pen_size(char mode) { // set pen to SOLID or WIREFRAME
ms523	0:fc4f3879f0e1	252	char command[2]= "";
ms523	0:fc4f3879f0e1	253
ms523	0:fc4f3879f0e1	254	command[0] = PENSIZE;
ms523	0:fc4f3879f0e1	255	command[1] = mode;
ms523	0:fc4f3879f0e1	256
ms523	0:fc4f3879f0e1	257	writeCOMMAND(command, 2);
ms523	0:fc4f3879f0e1	258	}
ms523	0:fc4f3879f0e1	259
ms523	0:fc4f3879f0e1	260	//****************************************************************************************************
ms523	0:fc4f3879f0e1	261	// This plays a .wav file from the FAT partition of an uSD Card
ms523	0:fc4f3879f0e1	262	// Not really recommended as the speaker on the uLCD-32PT is really bad!
ms523	0:fc4f3879f0e1	263	//****************************************************************************************************
ms523	0:fc4f3879f0e1	264	void TFT_4DGL :: SD_Card_Wav(char *Filename) {
ms523	0:fc4f3879f0e1	265	char command[21]= "";
ms523	0:fc4f3879f0e1	266	int Lgt=0;
ms523	0:fc4f3879f0e1	267
ms523	0:fc4f3879f0e1	268	command[0] = 0x40; //ext_cmd
ms523	0:fc4f3879f0e1	269	command[1] = 0x6C; //Play Audio
ms523	0:fc4f3879f0e1	270	command[2] = 0x01; //Option 0x00=Return at end, 0x01=Return now, 0x02=Stop, 0x03=Pause, 0x04=Resume, 0x05=Loop.
ms523	0:fc4f3879f0e1	271	for(int i=0;Filename[i]!=0x00;i++){
ms523	0:fc4f3879f0e1	272	command[i+3] = Filename[i];
ms523	0:fc4f3879f0e1	273	Lgt = i;
ms523	0:fc4f3879f0e1	274	}
ms523	0:fc4f3879f0e1	275	command[Lgt+4] = 0x2E; //.
ms523	0:fc4f3879f0e1	276	command[Lgt+5] = 0x77; //w
ms523	0:fc4f3879f0e1	277	command[Lgt+6] = 0x61; //a
ms523	0:fc4f3879f0e1	278	command[Lgt+7] = 0x76; //v
ms523	0:fc4f3879f0e1	279	command[Lgt+8] = 0x00; //terminator
ms523	0:fc4f3879f0e1	280
ms523	0:fc4f3879f0e1	281	writeCOMMAND(command, Lgt+9);
ms523	0:fc4f3879f0e1	282	}
ms523	0:fc4f3879f0e1	283
ms523	0:fc4f3879f0e1	284	//****************************************************************************************************
ms523	0:fc4f3879f0e1	285	// This sets the volume for the speaker on the uLCD-32PT
ms523	0:fc4f3879f0e1	286	//****************************************************************************************************
ms523	0:fc4f3879f0e1	287	void TFT_4DGL :: Set_Volume(char vol) {
ms523	0:fc4f3879f0e1	288
ms523	0:fc4f3879f0e1	289	char command[2]= "";
ms523	0:fc4f3879f0e1	290
ms523	0:fc4f3879f0e1	291	command[0] = 0x76; //cmd
ms523	0:fc4f3879f0e1	292	command[1] = vol; //set volume
ms523	0:fc4f3879f0e1	293
ms523	0:fc4f3879f0e1	294	writeCOMMAND(command, 2);
ms523	0:fc4f3879f0e1	295	}
ms523	0:fc4f3879f0e1	296
ms523	0:fc4f3879f0e1	297	//****************************************************************************************************
ms523	0:fc4f3879f0e1	298	// This displays an image on the screen that is stored on the FAT partition of an uSD Card
ms523	0:fc4f3879f0e1	299	// Sent Filename, X-pos, Y-pos, Sector Address - Display from the RAW partition is quicker
ms523	0:fc4f3879f0e1	300	//****************************************************************************************************
ms523	0:fc4f3879f0e1	301	void TFT_4DGL :: uSD_FAT_Image(char *Filename, int x, int y, long s) {
ms523	0:fc4f3879f0e1	302	char X_MSB, X_LSB, Y_MSB, Y_LSB, S0, S1, S2, S3;
ms523	0:fc4f3879f0e1	303	char command[25]= "";
ms523	0:fc4f3879f0e1	304	int Lgt=0;
ms523	0:fc4f3879f0e1	305
ms523	0:fc4f3879f0e1	306	X_LSB = x&0x00FF;
ms523	0:fc4f3879f0e1	307	X_MSB = (x >> 8);
ms523	0:fc4f3879f0e1	308	Y_LSB = y&0x00FF;
ms523	0:fc4f3879f0e1	309	Y_MSB = (y >> 8);
ms523	0:fc4f3879f0e1	310
ms523	0:fc4f3879f0e1	311	S0 = (s >> 20)&0x000000FF;
ms523	0:fc4f3879f0e1	312	S1 = (s >> 16)&0x0000FF;
ms523	0:fc4f3879f0e1	313	S2 = (s >> 8)&0x0000FF;
ms523	0:fc4f3879f0e1	314	S3 = s&0x0000FF;;
ms523	0:fc4f3879f0e1	315
ms523	0:fc4f3879f0e1	316	command[0] = '@'; //ext_cmd
ms523	0:fc4f3879f0e1	317	command[1] = 'm'; //FAT Image
ms523	0:fc4f3879f0e1	318	for(int i=0;Filename[i]!=0x00;i++){
ms523	0:fc4f3879f0e1	319	command[i+2] = Filename[i];
ms523	0:fc4f3879f0e1	320	Lgt = i;
ms523	0:fc4f3879f0e1	321	}
ms523	0:fc4f3879f0e1	322	command[Lgt+3] = '.'; //.
ms523	0:fc4f3879f0e1	323	command[Lgt+4] = 'G'; //G
ms523	0:fc4f3879f0e1	324	command[Lgt+5] = 'C'; //C
ms523	0:fc4f3879f0e1	325	command[Lgt+6] = 'I'; //I
ms523	0:fc4f3879f0e1	326	command[Lgt+7] = 0x00; //Terminator
ms523	0:fc4f3879f0e1	327	command[Lgt+8] = X_MSB; //X-Position MSB
ms523	0:fc4f3879f0e1	328	command[Lgt+9] = X_LSB; //X-Position LSB
ms523	0:fc4f3879f0e1	329	command[Lgt+10] = Y_MSB; //Y-Position MSB
ms523	0:fc4f3879f0e1	330	command[Lgt+11] = Y_LSB; //Y-Position LSB
ms523	0:fc4f3879f0e1	331	command[Lgt+12] = S0; //Sector Address 4 bytes
ms523	0:fc4f3879f0e1	332	command[Lgt+13] = S1;
ms523	0:fc4f3879f0e1	333	command[Lgt+14] = S2;
ms523	0:fc4f3879f0e1	334	command[Lgt+15] = S3;
ms523	0:fc4f3879f0e1	335
ms523	0:fc4f3879f0e1	336	writeCOMMAND(command, Lgt+16);
ms523	0:fc4f3879f0e1	337	}
ms523	0:fc4f3879f0e1	338
ms523	0:fc4f3879f0e1	339	//****************************************************************************************************
ms523	0:fc4f3879f0e1	340	// This displays an image on the screen in the NEW FORMAT
ms523	0:fc4f3879f0e1	341	// Sent X-pos, Y-pos, Sector Address - This is the recommended way to display images
ms523	0:fc4f3879f0e1	342	//****************************************************************************************************
ms523	0:fc4f3879f0e1	343	void TFT_4DGL :: uSD_Image(int x, int y, long s) {
ms523	0:fc4f3879f0e1	344	char S1, S2, S3;
ms523	0:fc4f3879f0e1	345	char X_MSB, X_LSB, Y_MSB, Y_LSB;
ms523	0:fc4f3879f0e1	346	char command[9]= "";
ms523	0:fc4f3879f0e1	347
ms523	0:fc4f3879f0e1	348	X_LSB = x&0x00FF; //Work out the x position
ms523	0:fc4f3879f0e1	349	X_MSB = (x >> 8);
ms523	0:fc4f3879f0e1	350	Y_LSB = y&0x00FF; //Work out the y position
ms523	0:fc4f3879f0e1	351	Y_MSB = (y >> 8);
ms523	0:fc4f3879f0e1	352
ms523	0:fc4f3879f0e1	353	S1 = (s >> 16)&0x0000FF; //Work out the sector address
ms523	0:fc4f3879f0e1	354	S2 = (s >> 8)&0x0000FF;
ms523	0:fc4f3879f0e1	355	S3 = s&0x0000FF;
ms523	0:fc4f3879f0e1	356
ms523	0:fc4f3879f0e1	357	command[0] = 0x40; //ext_cmd
ms523	0:fc4f3879f0e1	358	command[1] = 0x49; //Display image
ms523	0:fc4f3879f0e1	359	command[2] = X_MSB; //X position - 2 bytes
ms523	0:fc4f3879f0e1	360	command[3] = X_LSB;
ms523	0:fc4f3879f0e1	361	command[4] = Y_MSB; //Y position - 2 bytes
ms523	0:fc4f3879f0e1	362	command[5] = Y_LSB;
ms523	0:fc4f3879f0e1	363	command[6] = S1; //Sector address - 3 bytes
ms523	0:fc4f3879f0e1	364	command[7] = S2;
ms523	0:fc4f3879f0e1	365	command[8] = S3;
ms523	0:fc4f3879f0e1	366
ms523	0:fc4f3879f0e1	367	writeCOMMAND(command, 9);
ms523	0:fc4f3879f0e1	368	}
ms523	0:fc4f3879f0e1	369
ms523	0:fc4f3879f0e1	370	//****************************************************************************************************
ms523	0:fc4f3879f0e1	371	// This displays an video on the screen in the NEW FORMAT
ms523	0:fc4f3879f0e1	372	// Sent X-pos, Y-pos, Sector Address - This is the recommended way to display video
ms523	0:fc4f3879f0e1	373	//****************************************************************************************************
ms523	0:fc4f3879f0e1	374	void TFT_4DGL :: uSD_Video(int x, int y, long s) {
ms523	0:fc4f3879f0e1	375	char S1, S2, S3;
ms523	0:fc4f3879f0e1	376	char X_MSB, X_LSB, Y_MSB, Y_LSB;
ms523	0:fc4f3879f0e1	377	char command[10]= "";
ms523	0:fc4f3879f0e1	378
ms523	0:fc4f3879f0e1	379	X_LSB = x&0x00FF;
ms523	0:fc4f3879f0e1	380	X_MSB = (x >> 8);
ms523	0:fc4f3879f0e1	381	Y_LSB = y&0x00FF;
ms523	0:fc4f3879f0e1	382	Y_MSB = (y >> 8);
ms523	0:fc4f3879f0e1	383
ms523	0:fc4f3879f0e1	384	S1 = (s >> 16)&0x0000FF;
ms523	0:fc4f3879f0e1	385	S2 = (s >> 8)&0x0000FF;
ms523	0:fc4f3879f0e1	386	S3 = s&0x0000FF;
ms523	0:fc4f3879f0e1	387
ms523	0:fc4f3879f0e1	388	command[0] = 0x40; //ext_cmd
ms523	0:fc4f3879f0e1	389	command[1] = 0x56; //Display video
ms523	0:fc4f3879f0e1	390	command[2] = X_MSB; //X position - 2 bytes
ms523	0:fc4f3879f0e1	391	command[3] = X_LSB;
ms523	0:fc4f3879f0e1	392	command[4] = Y_MSB; //Y position - 2 bytes
ms523	0:fc4f3879f0e1	393	command[5] = Y_LSB;
ms523	0:fc4f3879f0e1	394	command[6] = 0x00; //delay between frames
ms523	0:fc4f3879f0e1	395	command[7] = S1; //Sector address - 3 bytes
ms523	0:fc4f3879f0e1	396	command[8] = S2;
ms523	0:fc4f3879f0e1	397	command[9] = S3;
ms523	0:fc4f3879f0e1	398
ms523	0:fc4f3879f0e1	399	writeCOMMAND(command, 10);
ms523	0:fc4f3879f0e1	400	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	03 Oct 2010
Imports:	89
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	2

TFT_4DGL_Graphics.cpp@0:fc4f3879f0e1, 2010-10-03 (annotated)

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