Ratchapong T
/
uLCD_ExtendedScreen
Allow user to connect multiple screen.
Diff: 4DGL-uLCD-SE/uLCD_4DGL_Media.cpp
- Revision:
- 0:052d0f82433e
diff -r 000000000000 -r 052d0f82433e 4DGL-uLCD-SE/uLCD_4DGL_Media.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/4DGL-uLCD-SE/uLCD_4DGL_Media.cpp Wed Mar 11 05:00:37 2015 +0000 @@ -0,0 +1,177 @@ +// +// 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) +{ + 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); +} + +//****************************************************************************************************** +void uLCD_4DGL :: display_video(int x, int y) +{ + 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); +} + +//****************************************************************************************************** +void uLCD_4DGL :: display_frame(int x, int y, int w) +{ + 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); +} +