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Patch #816310 by Lee Pilgrim, a VU meter plugin

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4010 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2003-11-04 00:19:51 +00:00
parent 54a7e206dc
commit 8737a930b5
2 changed files with 115 additions and 0 deletions
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113
apps/plugins/vu_meter.c Normal file
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@ -0,0 +1,113 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2003 Lee Pilgrim
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
**************************************************************************/
#ifndef SIMULATOR /* The simulator dosen't have a MAS */
#include "plugin.h"
#ifdef HAVE_LCD_BITMAP
static struct plugin_api* rb;
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
TEST_PLUGIN_API(api);
(void) parameter;
rb = api;
/*
I hope to make (left/right)_needle_top_y change some day (because it looks
like it is stretching) so that is why it is a int and not a #define.
*/
#define LEFT_NEEDLE_BOTTOM_X 28
#define LEFT_NEEDLE_BOTTOM_Y 53
int left_needle_top_x;
int left_needle_top_y = 18;
#define RIGHT_NEEDLE_BOTTOM_X 84
#define RIGHT_NEEDLE_BOTTOM_Y 53
int right_needle_top_x;
int right_needle_top_y = 18;
while (!PLUGIN_OK)
{
/* These are to define how far the tip of the needles can go to the
left and right. The names are a bit confusing. The LEFT/RIGHT tells
which needle it is for, and the L/R at the end tells which side
of the needle. */
#define MAX_LEFT_L 2
#define MAX_LEFT_R 55
#define MAX_RIGHT_L 57
#define MAX_RIGHT_R 111
#define MAX_PEAK 0x8FFF
left_needle_top_x =
(rb->mas_codec_readreg(0xC) *
(MAX_LEFT_R - MAX_LEFT_L) / MAX_PEAK) + MAX_LEFT_L;
right_needle_top_x =
(rb->mas_codec_readreg(0xD) *
(MAX_RIGHT_R - MAX_RIGHT_L) / MAX_PEAK) + MAX_RIGHT_L;
/* Time to draw all of the display stuff!
Could I move some of these out of the loop so they don't have to
be re-drawn everytime, but still be displayed, or would that
improve performance any at all? */
rb->lcd_clear_display();
rb->lcd_drawline(LEFT_NEEDLE_BOTTOM_X, LEFT_NEEDLE_BOTTOM_Y,
left_needle_top_x, left_needle_top_y);
rb->lcd_drawline(RIGHT_NEEDLE_BOTTOM_X, RIGHT_NEEDLE_BOTTOM_Y,
right_needle_top_x, right_needle_top_y);
rb->lcd_setfont(FONT_SYSFIXED);
rb->lcd_putsxy(30, 1, "VU Meter");
/* The first is the line under "VU Meter" and the second is under
the needles. */
rb->lcd_drawline(30, 9, 77, 9);
rb->lcd_drawline(1, 53, 112, 53);
/* These are the needle "covers" - we're going for that
"old fasioned" look */
/* The left needle cover - organized from the top line to the bottom */
rb->lcd_drawline(27, 48, 29, 48);
rb->lcd_drawline(25, 49, 31, 49);
rb->lcd_drawline(23, 50, 33, 50);
rb->lcd_drawline(22, 51, 34, 51);
rb->lcd_drawline(22, 52, 34, 52);
/* The right needle cover - organized from the top line to
the bottom */
rb->lcd_drawline(83, 48, 85, 48);
rb->lcd_drawline(81, 49, 87, 49);
rb->lcd_drawline(79, 50, 89, 50);
rb->lcd_drawline(78, 51, 90, 51);
rb->lcd_drawline(78, 52, 90, 52);
rb->lcd_update();
switch (rb->button_get(false))
{
case BUTTON_OFF:
return false;
}
}
}
#endif /* HAVE_LCD_BITMAP */
#endif /* #ifndef SIMULATOR */

2
docs/CREDITS
View file

@ -78,3 +78,5 @@ Pierre Delore
Huw Smith
Garrett Derner
Barry McIntosh
Leslie Donaldson
Lee Pilgrim