Matthias
373a8c32b2
git-svn-id: file:///srv/dev-disk-by-uuid-17e88007-4d0c-45e0-8757-cacfcc458630/repositories/svn/Diplomarbeit@55 9fe90eed-be63-e94b-8204-d34ff4c2ff93
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* ---------------------------------------------------------------------------
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* Bootloader.c - v0.1 (c) 2008 Micro-key bv
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* ---------------------------------------------------------------------------
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* Micro-key bv
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* Industrieweg 28, 9804 TG Noordhorn
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* Postbus 92, 9800 AB Zuidhorn
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* The Netherlands
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* Tel: +31 594 503020
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* Fax: +31 594 505825
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* Email: support@microkey.nl
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* Web: www.microkey.nl
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* ---------------------------------------------------------------------------
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* Description: Activates the bootloader.
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* ---------------------------------------------------------------------------
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* Version(s): 0.1, Feb 21, 2008, FSc
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* Creation.
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* ---------------------------------------------------------------------------
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*/
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/* ---------------------------------------------------------------------------
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* System include files
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* ---------------------------------------------------------------------------
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*/
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/* ---------------------------------------------------------------------------
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* Application include files
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* ---------------------------------------------------------------------------
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*/
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#include "types.h"
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#include "sys_config.h"
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#include "Bootloader.h"
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#include "watchdog.h"
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/* ---------------------------------------------------------------------------
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* Local constant and macro definitions
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* ---------------------------------------------------------------------------
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*/
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typedef void (*t_bootloader_startup)(void);
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#define BOOTMODE_ADDR 0x4000005C
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/* ---------------------------------------------------------------------------
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* Global variable definitions
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* ---------------------------------------------------------------------------
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*/
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/* ---------------------------------------------------------------------------
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* Local variable definitions
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* ---------------------------------------------------------------------------
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*/
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/* ---------------------------------------------------------------------------
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* Local function definitions
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* ---------------------------------------------------------------------------
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*/
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//* \brief Jumps to bootloader
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void blActivateBootloader()
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{
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// Set direction pin for storing
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*((UINT32 *)BOOTMODE_ADDR) = STAY_IN_BOOTLOADER;
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DISABLE_INTERRUPTS();
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watchdogEnable( 1 ); // force watchdog reset
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}
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t_bl_bootmodes blGetBootmode()
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{
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if ( *((UINT32 *)BOOTMODE_ADDR) == (UINT32)STAY_IN_BOOTLOADER)
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{
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return STAY_IN_BOOTLOADER;
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}
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else
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{
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return CONTINUE_APPLICATION;
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}
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}
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void blResetBootmode()
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{
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*((UINT32 *)BOOTMODE_ADDR) = CONTINUE_APPLICATION;
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}
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