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Allow user to connect multiple screen.
Diff: 4DGL-uLCD-SE/uLCD_4DGL_Graphics.cpp
- Revision:
- 0:052d0f82433e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/4DGL-uLCD-SE/uLCD_4DGL_Graphics.cpp Wed Mar 11 05:00:37 2015 +0000 @@ -0,0 +1,310 @@ +// +// uLCD_4DGL is a class to drive 4D Systems LCD screens +// +// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> +// Modifed for Goldelox processor <2013> Jim Hamblen +// +// uLCD_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. +// +// uLCD_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 uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>. + +#include "mbed.h" +#include "uLCD_4DGL.h" + +#define ARRAY_SIZE(X) sizeof(X)/sizeof(X[0]) + +//**************************************************************************************************** +void uLCD_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 uLCD_4DGL :: filled_circle(int x, int y , int radius, int color) // draw a circle in (x,y) +{ + char command[9]= ""; + + command[0] = FCIRCLE; + + 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 uLCD_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 uLCD_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 uLCD_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 uLCD_4DGL :: filled_rectangle(int x1, int y1 , int x2, int y2, int color) // draw a rectangle +{ + char command[11]= ""; + + command[0] = FRECTANGLE; + + 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 uLCD_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); +} +//**************************************************************************************************** +void uLCD_4DGL :: BLIT(int x, int y, int w, int h, int *colors) // draw a block of pixels +{ + int red5, green6, blue5; + writeBYTEfast('\x00'); + writeBYTEfast(BLITCOM); + writeBYTEfast((x >> 8) & 0xFF); + writeBYTEfast(x & 0xFF); + writeBYTEfast((y >> 8) & 0xFF); + writeBYTEfast(y & 0xFF); + writeBYTEfast((w >> 8) & 0xFF); + writeBYTE(w & 0xFF); + writeBYTE((h >> 8) & 0xFF); + writeBYTE(h & 0xFF); + wait_ms(1); + for (int i=0; i<w*h; i++) { + red5 = (colors[i] >> (16 + 3)) & 0x1F; // get red on 5 bits + green6 = (colors[i] >> (8 + 2)) & 0x3F; // get green on 6 bits + blue5 = (colors[i] >> (0 + 3)) & 0x1F; // get blue on 5 bits + writeBYTEfast(((red5 << 3) + (green6 >> 3)) & 0xFF); // first part of 16 bits color + writeBYTEfast(((green6 << 5) + (blue5 >> 0)) & 0xFF); // second part of 16 bits color + } + int resp=0; + while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer + if (_cmd.readable()) resp = _cmd.getc(); // read response if any + switch (resp) { + case ACK : // if OK return 1 + resp = 1; + break; + case NAK : // if NOK return -1 + resp = -1; + break; + default : + resp = 0; // else return 0 + break; + } +#if DEBUGMODE + pc.printf(" Answer received : %d\n",resp); +#endif + +} +//****************************************************************************************************** +int uLCD_4DGL :: read_pixel(int x, int y) // read screen info and populate data +{ + + char command[6]= ""; + command[0] = 0xFF; + command[1] = READPIXEL; + + command[2] = (x >> 8) & 0xFF; + command[3] = x & 0xFF; + + command[4] = (y >> 8) & 0xFF; + command[5] = y & 0xFF; + + int i, temp = 0, color = 0, resp = 0; + char response[2] = ""; + + freeBUFFER(); + + for (i = 0; i < 6; i++) { // send all chars to serial port + writeBYTE(command[i]); + } + + while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer + + while (_cmd.readable() && resp < ARRAY_SIZE(response)) { + 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 uLCD_4DGL :: pen_size(char mode) // set pen to SOLID or WIREFRAME +{ + char command[2]= ""; + + command[0] = PENSIZE; + command[1] = mode; + writeCOMMAND(command, 2); +} + + +