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/*------------------------------------------------------------------------------
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-- This file is a part of the libuc, microcontroler library
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-- Copyright (C) 2013, Alexis Jeandet
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------
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-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@gmail.com
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-------------------------------------------------------------------------------*/
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#include <widget.h>
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#include <terminal.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <gpio.h>
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#include <core.h>
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int __line__ =0;
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int __column__=0;
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int __lineCount__=0;
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int __columnCount__=0;
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LCD_t* __LCD__=NULL;
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sFONT* __font__;
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int __verticalSpace__=2;
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int __horizontalSpace__=0;
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int __verticalMargins__=5;
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int __horizontalMargins__=5;
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#define CHARXPOS(charwidth) ((__column__*charwidth)+__horizontalMargins__)
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#define CHARYPOS(charheight) ((__line__*charheight)+__verticalMargins__+charheight)
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#define charwidth (__font__->Width+__horizontalSpace__)
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#define charheight (__font__->Height+__verticalSpace__)
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int terminal_init(LCD_t* LCD,sFONT* font,streamdevice* strdev)
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{
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if((LCD!=NULL) && (font!=NULL) && (strdev!=NULL))
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{
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__LCD__=LCD;
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__font__=font;
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__lineCount__ = (LCD->height - (__verticalMargins__*2))/charheight;
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__columnCount__ = ((LCD->width - (__horizontalMargins__*2))/charwidth)-1;
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strdev->_stream = (UHANDLE)__LCD__;
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strdev->write = (write_t)&terminal_write;
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strdev->read = (read_t)&terminal_read;
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strdev->setpos = (setpos_t)&terminal_setpos;
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strdev->streamPt = 0;
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__line__ = 0;
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__column__ = 0;
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__LCD__->paintFilRect(__LCD__,CHARXPOS(charwidth),CHARYPOS(charheight)-charheight,charwidth,charheight,0x0000,0,0x0000);
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return 1;
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}
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return 0;
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}
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void terminal_movecursor(int n)
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{
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__column__ += n;
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if(__column__>__columnCount__)
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{
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__line__ += (__column__)/__columnCount__;
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__LCD__->paintFilRect(__LCD__,CHARXPOS(charwidth),CHARYPOS(charheight)-charheight,charwidth*(__columnCount__-__column__),charheight,0x0000,0,0x0000);
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__line__ = __line__ % __lineCount__;
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__column__ = __column__ % __columnCount__;
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}
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__LCD__->paintFilRect(__LCD__,CHARXPOS(charwidth),CHARYPOS(charheight)-charheight,charwidth,charheight,0x0000,0,0x0000);
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}
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int terminal_writenc(char* data, int n)
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{
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int l=0;
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char buffer[2]=" ";
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while(l<n)
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{
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buffer[0]=data[l];
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if(buffer[0]=='\n')
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{
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__line__= (__line__+1) % __lineCount__;
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__column__ = 0;
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}else {
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if(buffer[0]=='\t')
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{
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__line__ += (__column__+3) / __columnCount__;
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__column__= (__column__+3) % __columnCount__;
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}else {
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__LCD__->paintFilRect(__LCD__,CHARXPOS(charwidth),CHARYPOS(charheight)-charheight,charwidth,charheight,0x0000,0,0x0000);
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__LCD__->paintText(__LCD__,buffer,CHARXPOS(charwidth),CHARYPOS(charheight),__font__,0xFFFF);
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terminal_movecursor(1);
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}
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}
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l++;
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}
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return n;
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}
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int terminal_write(streamdeviceptr device,void* data,int size, int n)
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{
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return terminal_writenc((char*) data,size*n);
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}
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int terminal_read(streamdeviceptr device,void* data,int size, int n)
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{
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return n*size;
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}
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int terminal_setpos(streamdeviceptr device,int pos)
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{
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return 1;
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}
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int terminal_close(streamdeviceptr device)
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{
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return 1;
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}
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