mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-20 03:38:43 +00:00
125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Detlev Zundel, DENX Software Engineering, dzu@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
/*
|
|
* BMP handling routines
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <bmp_layout.h>
|
|
#include <command.h>
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_BMP)
|
|
|
|
static int bmp_info (ulong addr);
|
|
static int bmp_display (ulong addr);
|
|
|
|
/*
|
|
* Subroutine: do_bmp
|
|
*
|
|
* Description: Handler for 'bmp' command..
|
|
*
|
|
* Inputs: argv[1] contains the subcommand
|
|
*
|
|
* Return: None
|
|
*
|
|
*/
|
|
int do_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
ulong addr;
|
|
|
|
switch (argc) {
|
|
case 2: /* use load_addr as default address */
|
|
addr = load_addr;
|
|
break;
|
|
case 3: /* use argument */
|
|
addr = simple_strtoul(argv[2], NULL, 16);
|
|
break;
|
|
default:
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
|
|
/* Allow for short names
|
|
* Adjust length if more sub-commands get added
|
|
*/
|
|
if (strncmp(argv[1],"info",1) == 0) {
|
|
return (bmp_info(addr));
|
|
} else if (strncmp(argv[1],"display",1) == 0) {
|
|
return (bmp_display(addr));
|
|
} else {
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
bmp, 3, 1, do_bmp,
|
|
"bmp - manipulate BMP image data\n",
|
|
"info <imageAddr> - display image info\n"
|
|
"bmp display <imageAddr> - display image\n"
|
|
);
|
|
|
|
/*
|
|
* Subroutine: bmp_info
|
|
*
|
|
* Description: Show information about bmp file in memory
|
|
*
|
|
* Inputs: addr address of the bmp file
|
|
*
|
|
* Return: None
|
|
*
|
|
*/
|
|
static int bmp_info(ulong addr)
|
|
{
|
|
bmp_image_t *bmp=(bmp_image_t *)addr;
|
|
if (!((bmp->header.signature[0]=='B') &&
|
|
(bmp->header.signature[1]=='M'))) {
|
|
printf("There is no valid bmp file at the given address\n");
|
|
return(1);
|
|
}
|
|
printf("Image size : %d x %d\n", le32_to_cpu(bmp->header.width),
|
|
le32_to_cpu(bmp->header.height));
|
|
printf("Bits per pixel: %d\n", le16_to_cpu(bmp->header.bit_count));
|
|
printf("Compression : %d\n", le32_to_cpu(bmp->header.compression));
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Subroutine: bmp_display
|
|
*
|
|
* Description: Display bmp file located in memory
|
|
*
|
|
* Inputs: addr address of the bmp file
|
|
*
|
|
* Return: None
|
|
*
|
|
*/
|
|
static int bmp_display(ulong addr)
|
|
{
|
|
extern int lcd_display_bitmap (ulong);
|
|
|
|
return (lcd_display_bitmap (addr));
|
|
}
|
|
|
|
#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) */
|