File content as of revision 6:b759b69cbaf9:

//
// uLCD_4DGL is a class to drive 4D Systems LCD screens
//
// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
//
// 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"

//******************************************************************************************************
void uLCD_4DGL :: touch_mode(char mode)   // Send touch mode (WAIT, PRESS, RELEASE or MOVE)
{

    char command[2]= "";

    command[0] = GETTOUCH;
    command[1] = mode;

    writeCOMMAND(command, 2);
}

//******************************************************************************************************
void uLCD_4DGL :: get_touch(int *x, int *y)   // Get the touch coordinates
{

    char command[2] = "";

    command[0] = GETTOUCH;
    command[1] = GETPOSITION;

    getTOUCH(command, 2, x, y);
}

//******************************************************************************************************
int uLCD_4DGL :: touch_status(void)   // Get the touch screen status
{

    char command[2] = "";

    command[0] = GETTOUCH;
    command[1] = STATUS;

    return getSTATUS(command, 2);
}


//******************************************************************************************************
void uLCD_4DGL :: wait_touch(int delay)   // wait until touch within a delay in milliseconds
{

    char command[3]= "";

    command[0] = WAITTOUCH;

    command[1] = (delay >> 8) & 0xFF;
    command[2] = delay & 0xFF;

    writeCOMMAND(command, 3);
}

//******************************************************************************************************
void uLCD_4DGL :: set_touch(int x1, int y1 , int x2, int y2)   // define touch area
{

    char command[9]= "";

    command[0] = SETTOUCH;

    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;

    writeCOMMAND(command, 9);
}
//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);
}