/* ---------------------------------------------------------------------------
 * Bootloader.c - v0.1                                (c) 2008 Micro-key bv
 * ---------------------------------------------------------------------------
 * Micro-key bv
 * Industrieweg 28, 9804 TG Noordhorn
 * Postbus 92, 9800 AB Zuidhorn
 * The Netherlands
 * Tel: +31 594 503020
 * Fax: +31 594 505825
 * Email: support@microkey.nl  
 * Web: www.microkey.nl
 * ---------------------------------------------------------------------------
 * Description: Activates the bootloader.
 * ---------------------------------------------------------------------------
 * Version(s):  0.1, Feb 21, 2008, FSc
 *                   Creation.
 * ---------------------------------------------------------------------------
 */

/* ---------------------------------------------------------------------------
 * System include files
 * ---------------------------------------------------------------------------
 */

/* ---------------------------------------------------------------------------
 * Application include files
 * ---------------------------------------------------------------------------
 */
#include "types.h"
#include "sys_config.h"
#include "Bootloader.h"
#include "watchdog.h"


/* ---------------------------------------------------------------------------
 * Local constant and macro definitions
 * ---------------------------------------------------------------------------
 */
typedef void (*t_bootloader_startup)(void);
#define BOOTMODE_ADDR   0x4000005C


/* ---------------------------------------------------------------------------
 * Global variable definitions
 * ---------------------------------------------------------------------------
 */

/* ---------------------------------------------------------------------------
 * Local variable definitions
 * ---------------------------------------------------------------------------
 */

/* ---------------------------------------------------------------------------
 * Local function definitions
 * ---------------------------------------------------------------------------
 */

//* \brief Jumps to bootloader
void blActivateBootloader()
{
	// Set direction pin for storing
	*((UINT32 *)BOOTMODE_ADDR) = STAY_IN_BOOTLOADER;
	
    DISABLE_INTERRUPTS();
	
    watchdogEnable( 1 ); // force watchdog reset
}
 

t_bl_bootmodes blGetBootmode()
{
	if ( *((UINT32 *)BOOTMODE_ADDR) == (UINT32)STAY_IN_BOOTLOADER)
	{
		return STAY_IN_BOOTLOADER;
	}
	else
	{
		return CONTINUE_APPLICATION;
	}
}

void blResetBootmode()
{
	*((UINT32 *)BOOTMODE_ADDR) = CONTINUE_APPLICATION;

}