Extended library to include a screensaver
uLCD_4DGL_Media.cpp
- Committer:
- jdanner3
- Date:
- 2015-03-13
- Revision:
- 0:975087cba076
File content as of revision 0:975087cba076:
// // 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" //Media Commands //****************************************************************************************************** int uLCD_4DGL :: media_init() { int resp = 0; char command[1] = ""; command[0] = MINIT; writeCOMMAND(command, 1); while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer if (_cmd.readable()) { resp = _cmd.getc(); // read response resp = resp << 8 + _cmd.getc(); } return resp; } //****************************************************************************************************** void uLCD_4DGL :: set_byte_address(int hi, int lo) { char command[5]= ""; command[0] = SBADDRESS; command[1] = (hi >> 8) & 0xFF; command[2] = hi & 0xFF; command[3] = (lo >> 8) & 0xFF; command[4] = lo & 0xFF; writeCOMMAND(command, 5); } //****************************************************************************************************** void uLCD_4DGL :: set_sector_address(int hi, int lo) { char command[5]= ""; command[0] = SSADDRESS; command[1] = (hi >> 8) & 0xFF; command[2] = hi & 0xFF; command[3] = (lo >> 8) & 0xFF; command[4] = lo & 0xFF; writeCOMMAND(command, 5); } //****************************************************************************************************** char uLCD_4DGL :: read_byte() { char resp = 0; char command[1] = ""; command[0] = READBYTE; writeCOMMAND(command, 1); while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer if (_cmd.readable()) { resp = _cmd.getc(); // read response resp = _cmd.getc(); } return resp; } //****************************************************************************************************** int uLCD_4DGL :: read_word() { int resp=0; char command[1] = ""; command[0] = READWORD; writeCOMMAND(command, 1); while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer if (_cmd.readable()) { resp = _cmd.getc(); // read response resp = resp << 8 + _cmd.getc(); } return resp; } //****************************************************************************************************** void uLCD_4DGL :: write_byte(int value) { char command[3]= ""; command[0] = WRITEBYTE; command[1] = (value >> 8) & 0xFF; command[2] = value & 0xFF; writeCOMMAND(command,3); } //****************************************************************************************************** void uLCD_4DGL :: write_word(int value) { char command[3]= ""; command[0] = WRITEWORD; command[1] = (value >> 8) & 0xFF; command[2] = value & 0xFF; writeCOMMAND(command,3); } //****************************************************************************************************** void uLCD_4DGL :: flush_media() { char command[1] = ""; command[0] = FLUSHMEDIA; writeCOMMAND(command, 1); } //****************************************************************************************************** void uLCD_4DGL :: display_image(int x, int y, bool isScreenSaverCommand) { char command[6]= ""; command[0] = DISPLAYIMAGE; command[1] = (x >> 8) & 0xFF; command[2] = x & 0xFF; command[3] = (y >> 8) & 0xFF; command[4] = y & 0xFF; writeCOMMAND(command, 5); if (!isScreenSaverCommand) reportScreenInteraction(); } //****************************************************************************************************** void uLCD_4DGL :: display_video(int x, int y, bool isScreenSaverCommand) { char command[5]= ""; command[0] = DISPLAYVIDEO; command[1] = (x >> 8) & 0xFF; command[2] = x & 0xFF; command[3] = (y >> 8) & 0xFF; command[4] = y & 0xFF; writeCOMMAND(command, 5); if (!isScreenSaverCommand) reportScreenInteraction(); } //****************************************************************************************************** void uLCD_4DGL :: display_frame(int x, int y, int w, bool isScreenSaverCommand) { char command[7]= ""; command[0] = DISPLAYFRAME; command[1] = (x >> 8) & 0xFF; command[2] = x & 0xFF; command[3] = (y >> 8) & 0xFF; command[4] = y & 0xFF; command[5] = (w >> 8) & 0xFF; command[6] = w & 0xFF; writeCOMMAND(command,7); if (!isScreenSaverCommand) reportScreenInteraction(); }