rockbox/firmware/target/arm/as3525/debug-as3525.c
2009-04-20 20:11:01 +00:00

95 lines
2.8 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright © 2008 Rafaël Carré
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdbool.h>
#include "debug-target.h"
#include "button.h"
#include "lcd.h"
#include "font.h"
#include "system.h"
#include "sprintf.h"
#include "cpu.h"
#define _DEBUG_PRINTF(a,varargs...) \
snprintf(buf, sizeof(buf), (a), ##varargs); lcd_puts(0,line++,buf)
#define ON "Enabled"
#define OFF "Enabled"
#define CP15_MMU (1<<0) /* mmu off/on */
#define CP15_DC (1<<2) /* dcache off/on */
#define CP15_IC (1<<12) /* icache off/on */
/* FIXME: target tree is including ./debug-target.h rather than the one in
* sansa-fuze/, even though deps contains the correct one
* if I put the below into a sansa-fuze/debug-target.h, it doesn't work*/
#if defined(SANSA_FUZE) || defined(SANSA_E200V2)
#define DEBUG_DBOP
unsigned short button_dbop_data(void);
#endif
static unsigned read_cp15 (void)
{
unsigned value;
asm volatile (
"mrc p15, 0, %0, c1, c0, 0 @ read control reg\n":"=r"
(value)::"memory"
);
return (value);
}
bool __dbg_hw_info(void)
{
return false;
}
bool __dbg_ports(void)
{
char buf[50];
int line;
lcd_clear_display();
lcd_setfont(FONT_SYSFIXED);
while(1)
{
line = 0;
_DEBUG_PRINTF("[GPIO Values and Directions]");
_DEBUG_PRINTF("GPIOA: %2x DIR: %2x", GPIOA_DATA, GPIOA_DIR);
_DEBUG_PRINTF("GPIOB: %2x DIR: %2x", GPIOB_DATA, GPIOB_DIR);
_DEBUG_PRINTF("GPIOC: %2x DIR: %2x", GPIOC_DATA, GPIOC_DIR);
_DEBUG_PRINTF("GPIOD: %2x DIR: %2x", GPIOD_DATA, GPIOD_DIR);
#ifdef DEBUG_DBOP
line++;
_DEBUG_PRINTF("[DBOP_DIN]");
_DEBUG_PRINTF("DBOP_DIN: %4x", button_dbop_data());
#endif
line++;
_DEBUG_PRINTF("[CP15]");
_DEBUG_PRINTF("CP15: 0x%8x", read_cp15());
lcd_update();
if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
break;
}
lcd_setfont(FONT_UI);
return false;
}