This is a library for 4DGL screens from 4D Systems in Autralia (http://www.4dsystems.com.au). Most graphic, touch and text functions are supported
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Diff: TFT_4DGL_Graphics.cpp
- Revision:
- 7:38db58dc6f4d
- Parent:
- 0:1102d253f057
- Child:
- 9:4b25d5413a06
diff -r d0dca0ddc329 -r 38db58dc6f4d TFT_4DGL_Graphics.cpp --- a/TFT_4DGL_Graphics.cpp Sun Oct 17 10:11:49 2010 +0000 +++ b/TFT_4DGL_Graphics.cpp Sun Oct 17 10:23:58 2010 +0000 @@ -1,258 +1,258 @@ -// -// TFT_4DGL is a class to drive 4D Systems TFT touch screens -// -// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> -// -// TFT_4DGL is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// TFT_4DGL is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>. - -#include "mbed.h" -#include "TFT_4DGL.h" - - -//**************************************************************************************************** -void TFT_4DGL :: circle(int x, int y , int radius, int color) { // draw a circle in (x,y) - char command[9]= ""; - - command[0] = CIRCLE; - - command[1] = (x >> 8) & 0xFF; - command[2] = x & 0xFF; - - command[3] = (y >> 8) & 0xFF; - command[4] = y & 0xFF; - - command[5] = (radius >> 8) & 0xFF; - command[6] = radius & 0xFF; - - int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits - int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits - int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits - - command[7] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color - command[8] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color - - writeCOMMAND(command, 9); -} - -//**************************************************************************************************** -void TFT_4DGL :: triangle(int x1, int y1 , int x2, int y2, int x3, int y3, int color) { // draw a traingle - char command[15]= ""; - - command[0] = TRIANGLE; - - command[1] = (x1 >> 8) & 0xFF; - command[2] = x1 & 0xFF; - - command[3] = (y1 >> 8) & 0xFF; - command[4] = y1 & 0xFF; - - command[5] = (x2 >> 8) & 0xFF; - command[6] = x2 & 0xFF; - - command[7] = (y2 >> 8) & 0xFF; - command[8] = y2 & 0xFF; - - command[9] = (x3 >> 8) & 0xFF; - command[10] = x3 & 0xFF; - - command[11] = (y3 >> 8) & 0xFF; - command[12] = y3 & 0xFF; - - int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits - int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits - int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits - - command[13] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color - command[14] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color - - writeCOMMAND(command, 15); -} - -//**************************************************************************************************** -void TFT_4DGL :: line(int x1, int y1 , int x2, int y2, int color) { // draw a line - char command[11]= ""; - - command[0] = LINE; - - command[1] = (x1 >> 8) & 0xFF; - command[2] = x1 & 0xFF; - - command[3] = (y1 >> 8) & 0xFF; - command[4] = y1 & 0xFF; - - command[5] = (x2 >> 8) & 0xFF; - command[6] = x2 & 0xFF; - - command[7] = (y2 >> 8) & 0xFF; - command[8] = y2 & 0xFF; - - int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits - int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits - int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits - - command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color - command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color - - writeCOMMAND(command, 11); -} - -//**************************************************************************************************** -void TFT_4DGL :: rectangle(int x1, int y1 , int x2, int y2, int color) { // draw a rectangle - char command[11]= ""; - - command[0] = RECTANGLE; - - command[1] = (x1 >> 8) & 0xFF; - command[2] = x1 & 0xFF; - - command[3] = (y1 >> 8) & 0xFF; - command[4] = y1 & 0xFF; - - command[5] = (x2 >> 8) & 0xFF; - command[6] = x2 & 0xFF; - - command[7] = (y2 >> 8) & 0xFF; - command[8] = y2 & 0xFF; - - int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits - int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits - int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits - - command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color - command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color - - writeCOMMAND(command, 11); -} - -//**************************************************************************************************** -void TFT_4DGL :: ellipse(int x, int y , int radius_x, int radius_y, int color) { // draw an ellipse - char command[11]= ""; - - command[0] = ELLIPSE; - - command[1] = (x >> 8) & 0xFF; - command[2] = x & 0xFF; - - command[3] = (y >> 8) & 0xFF; - command[4] = y & 0xFF; - - command[5] = (radius_x >> 8) & 0xFF; - command[6] = radius_x & 0xFF; - - command[7] = (radius_y >> 8) & 0xFF; - command[8] = radius_y & 0xFF; - - int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits - int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits - int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits - - command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color - command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color - - writeCOMMAND(command, 11); -} - -//**************************************************************************************************** -void TFT_4DGL :: pixel(int x, int y, int color) { // draw a pixel - char command[7]= ""; - - command[0] = PIXEL; - - command[1] = (x >> 8) & 0xFF; - command[2] = x & 0xFF; - - command[3] = (y >> 8) & 0xFF; - command[4] = y & 0xFF; - - int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits - int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits - int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits - - command[5] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color - command[6] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color - - writeCOMMAND(command, 7); -} - -//****************************************************************************************************** -int TFT_4DGL :: read_pixel(int x, int y) { // read screen info and populate data - - char command[5]= ""; - - command[0] = READPIXEL; - - command[1] = (x >> 8) & 0xFF; - command[2] = x & 0xFF; - - command[3] = (y >> 8) & 0xFF; - command[4] = y & 0xFF; - - int i, temp = 0, color = 0, resp = 0; - char response[2] = ""; - - freeBUFFER(); - - for (i = 0; i < 5; i++) { // send all chars to serial port - writeBYTE(command[i]); - } - - while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer - - while (_cmd.readable()) { - temp = _cmd.getc(); - response[resp++] = (char)temp; - } - - color = ((response[0] << 8) + response[1]); - - return color; // WARNING : this is 16bits color, not 24bits... need to be fixed -} - -//****************************************************************************************************** -void TFT_4DGL :: screen_copy(int xs, int ys , int xd, int yd , int width, int height) { - - char command[13]= ""; - - command[0] = SCREENCOPY; - - command[1] = (xs >> 8) & 0xFF; - command[2] = xs & 0xFF; - - command[3] = (ys >> 8) & 0xFF; - command[4] = ys & 0xFF; - - command[5] = (xd >> 8) & 0xFF; - command[6] = xd & 0xFF; - - command[7] = (yd >> 8) & 0xFF; - command[8] = yd & 0xFF; - - command[9] = (width >> 8) & 0xFF; - command[10] = width & 0xFF; - - command[11] = (height >> 8) & 0xFF; - command[12] = height & 0xFF; - - writeCOMMAND(command, 13); -} - -//**************************************************************************************************** -void TFT_4DGL :: pen_size(char mode) { // set pen to SOLID or WIREFRAME - char command[2]= ""; - - command[0] = PENSIZE; - command[1] = mode; - - writeCOMMAND(command, 2); +// +// TFT_4DGL is a class to drive 4D Systems TFT touch screens +// +// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> +// +// TFT_4DGL is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// TFT_4DGL is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>. + +#include "mbed.h" +#include "TFT_4DGL.h" + + +//**************************************************************************************************** +void TFT_4DGL :: circle(int x, int y , int radius, int color) { // draw a circle in (x,y) + char command[9]= ""; + + command[0] = CIRCLE; + + command[1] = (x >> 8) & 0xFF; + command[2] = x & 0xFF; + + command[3] = (y >> 8) & 0xFF; + command[4] = y & 0xFF; + + command[5] = (radius >> 8) & 0xFF; + command[6] = radius & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[7] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[8] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 9); +} + +//**************************************************************************************************** +void TFT_4DGL :: triangle(int x1, int y1 , int x2, int y2, int x3, int y3, int color) { // draw a traingle + char command[15]= ""; + + command[0] = TRIANGLE; + + command[1] = (x1 >> 8) & 0xFF; + command[2] = x1 & 0xFF; + + command[3] = (y1 >> 8) & 0xFF; + command[4] = y1 & 0xFF; + + command[5] = (x2 >> 8) & 0xFF; + command[6] = x2 & 0xFF; + + command[7] = (y2 >> 8) & 0xFF; + command[8] = y2 & 0xFF; + + command[9] = (x3 >> 8) & 0xFF; + command[10] = x3 & 0xFF; + + command[11] = (y3 >> 8) & 0xFF; + command[12] = y3 & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[13] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[14] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 15); +} + +//**************************************************************************************************** +void TFT_4DGL :: line(int x1, int y1 , int x2, int y2, int color) { // draw a line + char command[11]= ""; + + command[0] = LINE; + + command[1] = (x1 >> 8) & 0xFF; + command[2] = x1 & 0xFF; + + command[3] = (y1 >> 8) & 0xFF; + command[4] = y1 & 0xFF; + + command[5] = (x2 >> 8) & 0xFF; + command[6] = x2 & 0xFF; + + command[7] = (y2 >> 8) & 0xFF; + command[8] = y2 & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 11); +} + +//**************************************************************************************************** +void TFT_4DGL :: rectangle(int x1, int y1 , int x2, int y2, int color) { // draw a rectangle + char command[11]= ""; + + command[0] = RECTANGLE; + + command[1] = (x1 >> 8) & 0xFF; + command[2] = x1 & 0xFF; + + command[3] = (y1 >> 8) & 0xFF; + command[4] = y1 & 0xFF; + + command[5] = (x2 >> 8) & 0xFF; + command[6] = x2 & 0xFF; + + command[7] = (y2 >> 8) & 0xFF; + command[8] = y2 & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 11); +} + +//**************************************************************************************************** +void TFT_4DGL :: ellipse(int x, int y , int radius_x, int radius_y, int color) { // draw an ellipse + char command[11]= ""; + + command[0] = ELLIPSE; + + command[1] = (x >> 8) & 0xFF; + command[2] = x & 0xFF; + + command[3] = (y >> 8) & 0xFF; + command[4] = y & 0xFF; + + command[5] = (radius_x >> 8) & 0xFF; + command[6] = radius_x & 0xFF; + + command[7] = (radius_y >> 8) & 0xFF; + command[8] = radius_y & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 11); +} + +//**************************************************************************************************** +void TFT_4DGL :: pixel(int x, int y, int color) { // draw a pixel + char command[7]= ""; + + command[0] = PIXEL; + + command[1] = (x >> 8) & 0xFF; + command[2] = x & 0xFF; + + command[3] = (y >> 8) & 0xFF; + command[4] = y & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[5] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[6] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 7); +} + +//****************************************************************************************************** +int TFT_4DGL :: read_pixel(int x, int y) { // read screen info and populate data + + char command[5]= ""; + + command[0] = READPIXEL; + + command[1] = (x >> 8) & 0xFF; + command[2] = x & 0xFF; + + command[3] = (y >> 8) & 0xFF; + command[4] = y & 0xFF; + + int i, temp = 0, color = 0, resp = 0; + char response[2] = ""; + + freeBUFFER(); + + for (i = 0; i < 5; i++) { // send all chars to serial port + writeBYTE(command[i]); + } + + while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer + + while (_cmd.readable()) { + temp = _cmd.getc(); + response[resp++] = (char)temp; + } + + color = ((response[0] << 8) + response[1]); + + return color; // WARNING : this is 16bits color, not 24bits... need to be fixed +} + +//****************************************************************************************************** +void TFT_4DGL :: screen_copy(int xs, int ys , int xd, int yd , int width, int height) { + + char command[13]= ""; + + command[0] = SCREENCOPY; + + command[1] = (xs >> 8) & 0xFF; + command[2] = xs & 0xFF; + + command[3] = (ys >> 8) & 0xFF; + command[4] = ys & 0xFF; + + command[5] = (xd >> 8) & 0xFF; + command[6] = xd & 0xFF; + + command[7] = (yd >> 8) & 0xFF; + command[8] = yd & 0xFF; + + command[9] = (width >> 8) & 0xFF; + command[10] = width & 0xFF; + + command[11] = (height >> 8) & 0xFF; + command[12] = height & 0xFF; + + writeCOMMAND(command, 13); +} + +//**************************************************************************************************** +void TFT_4DGL :: pen_size(char mode) { // set pen to SOLID or WIREFRAME + char command[2]= ""; + + command[0] = PENSIZE; + command[1] = mode; + + writeCOMMAND(command, 2); } \ No newline at end of file