103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 1999 Robert Hak (rhak@ramapo.edu)
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*
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* Heavily modified for embedded use by Björn Stenberg (bjorn@haxx.se)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "types.h"
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#include "lcd.h"
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#include "debug.h"
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#define CONFIG_KEYPAD RECORDER_PAD
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#include "button.h"
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#ifdef SIMULATOR
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#include <stdio.h>
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#include <unistd.h>
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#endif
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/* I hacked this function to be placed inside because I figure we will need
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something like it eventually.
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Args are fairly straight forward.
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int xbase: location of "bottom" of battery on screen
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int ybase: location of "left" edge of battery on screen
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int len: how long is the battery to be (in pixels)
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int wid: how tall is the battery to be (in pixels)
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int percent: what percentage of the charge has been used
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Note: I am making use of the Logf() function until logging is
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straightened out.
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*/
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void draw_battery(int xbase, int ybase, int len, int wid, int percent)
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{
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float capacity = 0;
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int bar_xoffset = 2;
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int bar_yoffset = 2;
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int bar_len = 0;
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int bar_wid = wid - (bar_xoffset*2);
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int i = 0;
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/* We only worry about length and width because if you place
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the battery off the screen, its your own damn fault. We log
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and then just draw an empty battery */
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if((percent > 100) || (percent < 0) || (len < 0) || (wid < 0)) {
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/* debug("Error: Battery data invalid"); */
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percent = 0;
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}
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/* top batt. edge */
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lcd_hline(xbase, xbase+len-2, ybase);
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/* bot batt. edge */
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lcd_hine(xbase, xbase+len-2, ybase+wid);
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/* left batt. edge */
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lcd_vline(xbase, ybase, ybase+wid);
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/* right batt. edge */
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lcd_vline(xbase+len, ybase+1, ybase+wid-1);
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/* 2 dots that account for the nub on the right side of the battery */
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lcd_drawpixel(xbase+len-1, ybase+1);
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lcd_drawpixel(xbase+len-1, ybase+wid-1);
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if(percent > 0) {
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/* % battery is full, 100% is length-bar_xoffset-1 pixels */
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capacity = ((float)percent / 100.0) * (len-(bar_xoffset*2)-1);
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bar_len = capacity;
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for(i = 0; i < bar_wid+1; i++) {
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lcd_hline(xbase+bar_xoffset,
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xbase+bar_xoffset+bar_len, ybase+bar_yoffset+i);
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}
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}
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lcd_update();
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}
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