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Allow user to connect multiple screen.
4DGL-uLCD-SE/uLCD_4DGL_Graphics.cpp
- Committer:
- Ratchapong
- Date:
- 2015-03-11
- Revision:
- 0:052d0f82433e
File content as of revision 0:052d0f82433e:
// // 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); }