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Test plugin for measuring LCD update speed, for developers.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9562 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2006-04-08 10:27:34 +00:00
parent 4ac150e8d3
commit 151748e86e
1 changed files with 85 additions and 0 deletions
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apps/plugins/test_fps.c Executable file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 Peter D'Hoye
*
* 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.
*
****************************************************************************/
#include "plugin.h"
#ifdef HAVE_LCD_BITMAP
#if (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD)
#define FPS_QUIT BUTTON_MENU
#else
#define FPS_QUIT BUTTON_OFF
#endif
PLUGIN_HEADER
static struct plugin_api* rb;
/* plugin entry point */
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
char str[64]; /* text buffer */
int time_start = 0; /* start tickcount */
int frame_count = 0; /* frame counter */
int part14_x = LCD_WIDTH/4; /* x-offset for 1/4 update test */
int part14_w = LCD_WIDTH/2; /* x-size for 1/4 update test */
int part14_y = LCD_HEIGHT/4; /* y-offset for 1/4 update test */
int part14_h = LCD_HEIGHT/2; /* y-size for 1/4 update test */
/* standard stuff */
(void)parameter;
rb = api;
rb->lcd_clear_display();
rb->lcd_puts(0, 0, "FPS Measurements:");
rb->lcd_update();
/* TEST 1: FULL LCD UPDATE */
frame_count = 0;
time_start = *rb->current_tick;
while(*rb->current_tick - time_start < 2*HZ)
{
rb->lcd_update();
frame_count++;
}
rb->snprintf(str, sizeof(str), "1:1 = %d.%d (cpu = %d)", frame_count/2,
(frame_count%2)*5, *rb->cpu_frequency );
rb->lcd_puts(0, 1, str);
rb->lcd_update();
/* TEST 2: QUARTER LCD UPDATE */
frame_count = 0;
time_start = *rb->current_tick;
while(*rb->current_tick - time_start < 2*HZ)
{
rb->lcd_update_rect(part14_x, part14_y, part14_w, part14_h);
frame_count++;
}
rb->snprintf(str, sizeof(str), "1:4 = %d.%d (cpu = %d)", frame_count/2,
(frame_count%2)*5, *rb->cpu_frequency );
rb->lcd_puts(0, 2, str);
rb->lcd_update();
/* wait until user closes plugin */
while (rb->button_get(true) != FPS_QUIT);
return PLUGIN_OK;
}
#endif