main.c

sharp的arm920t 7A400的评估板附带光盘Sharp KEVLH7A400 v0.3b Welcome to the SHARP KEV7A400 Evaluation board

 /*****************************************************************************
 *	$Workfile:   main.c  $
 *	$Revision:   1.0  $
 *	$Author:   WellsK  $
 *	$Date:   Sep 22 2002 11:00:00  $
 *
 *	Project: Picture demo with SWIM
 *
 *	Description:
 *    Shows a series of images on the display when a pushbutton is
 *    pressed.
 *
 *	Revision History:
 *	$Log:   //smaicnt2/pvcs/VM/CDROM/archives/KEV7A400/Software/Examples/pictures/main.c-arc  $
 * 
 *    Rev 1.0   Sep 22 2002 11:00:00   WellsK
 * Initial revision.
 * 
 * 
 *	COPYRIGHT (C) 2001 SHARP MICROELECTRONICS OF THE AMERICAS, INC.
 *		CAMAS, WA
 ****************************************************************************/

#include "SMA_colors.h"
#include "SMA_types.h"
#include "SMA_swim.h"
#include "SMA_swim_image.h"
#include "SMA_lcd_driver.h"
#include "KEV7A400_LQ039Q2DS53.h"
#include "LH7A400_cp15_driver.h"
#include "LH7A400_EVB_CPLD_driver.h"

#include "tower1.h"
#include "bird1.h"
#include "bluest1.h"
#include "bridge1.h"
#include "buildn1.h"
#include "buildn2.h"
#include "buildn3.h"
#include "cliff1.h"
#include "frame1.h"
#include "palms1.h"
#include "park1.h"
#include "plane1.h"
#include "sisters31.h"

// Physical and logical addresses of frame buffer
#define FBPHY (color_type *) 0xDD000000
#define FBLOG (color_type *) 0x03C00000

#define MAX_IMAGES 13
typedef const color_type *color_type_ptr;
const color_type_ptr image_list [MAX_IMAGES] = {
    tower1, bird1, bluest1, bridge1, buildn1, buildn2, buildn3,
    cliff1, frame1, palms1, park1, plane1, sisters31};

void wait_for_press (void)
{
    volatile UNS_8 pb;
    INT_32 i;

    // Wait for depress first
    pb = LH7A400_pld_get_pb ();
    while (pb == 0)
    {
        // This small loop prevents the bus from getting hammered
        for (i = 0; i < 1000; i++);

        pb = LH7A400_pld_get_pb ();
    }

    // Now, wait for a press state
    while (pb != 0)
    {
        // This small loop prevents the bus from getting hammered
        for (i = 0; i < 1000; i++);

        pb = LH7A400_pld_get_pb ();
    }
}

int main (void)
{
    INT_32 maxx, maxy;
    INT_32 win;
    INT_32 image_index = 0;

    // Init LCD driver for '53 display
    lcd_initialize (&KEV7A400_LQ039Q2DS53, FBPHY);

    // Get horiz and vert size of display from driver
    maxx = (INT_32) lcd_get_xsize ();
    maxy = (INT_32) lcd_get_ysize ();

    // Enable the LCD power and LCD signal buffers
    lcd_disable_enable (1);

    // Turn on the LCD backlight to full brightness
    lcd_set_backlight_intens (lcd_get_max_intens ());

    // Setup SWIM window
    win = swim_window_open (maxx, maxy, FBLOG, 0, 0, (maxx - 1),
        (maxy - 1), 1, WHITE, BLACK, WHITE, 1);

    while (1)
    {
        // Show first image
        swim_put_scale_image (win, image_list [image_index], 320, 240);

        image_index++;
        if (image_index >= MAX_IMAGES)
        {
            image_index = 0;
        }

        wait_for_press ();
    }

    return 1;
}