1484ece76e
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4029 a1c6a512-1295-4272-9138-f99709370657
116 lines
4.1 KiB
C
116 lines
4.1 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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*
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* Copyright (C) 2003 Lee Pilgrim
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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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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#ifndef SIMULATOR /* The simulator dosen't have a MAS */
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#include "plugin.h"
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#ifdef HAVE_LCD_BITMAP
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static struct plugin_api* rb;
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enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
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{
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TEST_PLUGIN_API(api);
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(void) parameter;
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rb = api;
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/*
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I hope to make (left/right)_needle_top_y change some day (because it looks
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like it is stretching) so that is why it is a int and not a #define.
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*/
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#define LEFT_NEEDLE_BOTTOM_X 28
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#define LEFT_NEEDLE_BOTTOM_Y 53
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int left_needle_top_x;
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int left_needle_top_y = 18;
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#define RIGHT_NEEDLE_BOTTOM_X 84
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#define RIGHT_NEEDLE_BOTTOM_Y 53
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int right_needle_top_x;
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int right_needle_top_y = 18;
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while (!PLUGIN_OK)
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{
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/* These are to define how far the tip of the needles can go to the
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left and right. The names are a bit confusing. The LEFT/RIGHT tells
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which needle it is for, and the L/R at the end tells which side
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of the needle. */
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#define MAX_LEFT_L 2
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#define MAX_LEFT_R 55
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#define MAX_RIGHT_L 57
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#define MAX_RIGHT_R 111
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#define MAX_PEAK 0x7FFF
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left_needle_top_x =
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(rb->mas_codec_readreg(0xC) *
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(MAX_LEFT_R - MAX_LEFT_L) / MAX_PEAK) + MAX_LEFT_L;
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right_needle_top_x =
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(rb->mas_codec_readreg(0xD) *
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(MAX_RIGHT_R - MAX_RIGHT_L) / MAX_PEAK) + MAX_RIGHT_L;
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/* Time to draw all of the display stuff!
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Could I move some of these out of the loop so they don't have to
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be re-drawn everytime, but still be displayed, or would that
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improve performance any at all? */
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rb->lcd_clear_display();
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rb->lcd_drawline(LEFT_NEEDLE_BOTTOM_X, LEFT_NEEDLE_BOTTOM_Y,
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left_needle_top_x, left_needle_top_y);
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rb->lcd_drawline(RIGHT_NEEDLE_BOTTOM_X, RIGHT_NEEDLE_BOTTOM_Y,
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right_needle_top_x, right_needle_top_y);
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rb->lcd_setfont(FONT_SYSFIXED);
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rb->lcd_putsxy(30, 1, "VU Meter");
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/* The first is the line under "VU Meter" and the second is under
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the needles. */
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rb->lcd_drawline(30, 9, 77, 9);
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rb->lcd_drawline(1, 53, 112, 53);
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/* These are the needle "covers" - we're going for that
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"old fashioned" look */
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/* The left needle cover - organized from the top line to the bottom */
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rb->lcd_drawline(27, 48, 29, 48);
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rb->lcd_drawline(25, 49, 31, 49);
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rb->lcd_drawline(23, 50, 33, 50);
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rb->lcd_drawline(22, 51, 34, 51);
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rb->lcd_drawline(22, 52, 34, 52);
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/* The right needle cover - organized from the top line to
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the bottom */
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rb->lcd_drawline(83, 48, 85, 48);
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rb->lcd_drawline(81, 49, 87, 49);
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rb->lcd_drawline(79, 50, 89, 50);
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rb->lcd_drawline(78, 51, 90, 51);
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rb->lcd_drawline(78, 52, 90, 52);
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rb->lcd_update();
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/* We must yield once in a while to make sure that the MPEG thread
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isn't starved, but we use the shortest possible timeout for best
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performance */
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switch (rb->button_get_w_tmo(1))
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{
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case BUTTON_OFF:
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return PLUGIN_OK;
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}
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}
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}
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#endif /* HAVE_LCD_BITMAP */
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#endif /* #ifndef SIMULATOR */
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