189 lines
8.8 KiB
C
189 lines
8.8 KiB
C
/************************************************************************************//**
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* \file Demo\ARMCM3_EFM32_Olimex_EM32G880F128STK_GCC\Boot\hooks.c
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* \brief Bootloader callback source file.
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* \ingroup Boot_ARMCM3_EFM32_Olimex_EM32G880F128STK_GCC
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* \internal
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*----------------------------------------------------------------------------------------
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* C O P Y R I G H T
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*----------------------------------------------------------------------------------------
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* Copyright (c) 2012 by Feaser http://www.feaser.com All rights reserved
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*
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*----------------------------------------------------------------------------------------
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* L I C E N S E
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*----------------------------------------------------------------------------------------
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* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with OpenBLT.
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* If not, see <http://www.gnu.org/licenses/>.
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*
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* A special exception to the GPL is included to allow you to distribute a combined work
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* that includes OpenBLT without being obliged to provide the source code for any
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* proprietary components. The exception text is included at the bottom of the license
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* file <license.html>.
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*
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* \endinternal
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****************************************************************************************/
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/****************************************************************************************
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* Include files
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****************************************************************************************/
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#include "boot.h" /* bootloader generic header */
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/****************************************************************************************
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* B A C K D O O R E N T R Y H O O K F U N C T I O N S
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****************************************************************************************/
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#if (BOOT_BACKDOOR_HOOKS_ENABLE > 0)
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/************************************************************************************//**
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** \brief Initializes the backdoor entry option.
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** \return none.
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**
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****************************************************************************************/
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void BackDoorInitHook(void)
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{
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} /*** end of BackDoorInitHook ***/
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/************************************************************************************//**
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** \brief Checks if a backdoor entry is requested.
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** \return BLT_TRUE if the backdoor entry is requested, BLT_FALSE otherwise.
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**
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****************************************************************************************/
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blt_bool BackDoorEntryHook(void)
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{
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/* default implementation always activates the bootloader after a reset */
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return BLT_TRUE;
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} /*** end of BackDoorEntryHook ***/
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#endif /* BOOT_BACKDOOR_HOOKS_ENABLE > 0 */
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/****************************************************************************************
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* C P U D R I V E R H O O K F U N C T I O N S
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****************************************************************************************/
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#if (BOOT_CPU_USER_PROGRAM_START_HOOK > 0)
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/************************************************************************************//**
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** \brief Callback that gets called when the bootloader is about to exit and
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** hand over control to the user program. This is the last moment that
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** some final checking can be performed and if necessary prevent the
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** bootloader from activiting the user program.
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** \return BLT_TRUE if it is okay to start the user program, BLT_FALSE to keep
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** keep the bootloader active.
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**
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****************************************************************************************/
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blt_bool CpuUserProgramStartHook(void)
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{
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/* okay to start the user program */
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return BLT_TRUE;
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} /*** end of CpuUserProgramStartHook ***/
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#endif /* BOOT_CPU_USER_PROGRAM_START_HOOK > 0 */
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/****************************************************************************************
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* N O N - V O L A T I L E M E M O R Y D R I V E R H O O K F U N C T I O N S
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****************************************************************************************/
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#if (BOOT_NVM_HOOKS_ENABLE > 0)
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/************************************************************************************//**
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** \brief Callback that gets called at the start of the internal NVM driver
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** initialization routine.
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** \return none.
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**
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****************************************************************************************/
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void NvmInitHook(void)
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{
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} /*** end of NvmInitHook ***/
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/************************************************************************************//**
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** \brief Callback that gets called at the start of the NVM driver write
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** routine. It allows additional memory to be operated on. If the address
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** is not within the range of the additional memory, then
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** BLT_NVM_NOT_IN_RANGE must be returned to indicate that the data hasn't
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** been written yet.
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** \param addr Start address.
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** \param len Length in bytes.
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** \param data Pointer to the data buffer.
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** \return BLT_NVM_OKAY if successful, BLT_NVM_NOT_IN_RANGE if the address is
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** not within the supported memory range, or BLT_NVM_ERROR is the write
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** operation failed.
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**
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****************************************************************************************/
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blt_int8u NvmWriteHook(blt_addr addr, blt_int32u len, blt_int8u *data)
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{
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return BLT_NVM_NOT_IN_RANGE;
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} /*** end of NvmWriteHook ***/
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/************************************************************************************//**
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** \brief Callback that gets called at the start of the NVM driver erase
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** routine. It allows additional memory to be operated on. If the address
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** is not within the range of the additional memory, then
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** BLT_NVM_NOT_IN_RANGE must be returned to indicate that the memory
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** hasn't been erased yet.
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** \param addr Start address.
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** \param len Length in bytes.
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** \return BLT_NVM_OKAY if successful, BLT_NVM_NOT_IN_RANGE if the address is
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** not within the supported memory range, or BLT_NVM_ERROR is the erase
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** operation failed.
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**
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****************************************************************************************/
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blt_int8u NvmEraseHook(blt_addr addr, blt_int32u len)
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{
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return BLT_NVM_NOT_IN_RANGE;
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} /*** end of NvmEraseHook ***/
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/************************************************************************************//**
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** \brief Callback that gets called at the end of the NVM programming session.
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** \return BLT_TRUE is successful, BLT_FALSE otherwise.
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**
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****************************************************************************************/
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blt_bool NvmDoneHook(void)
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{
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return BLT_TRUE;
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} /*** end of NvmDoneHook ***/
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#endif /* BOOT_NVM_HOOKS_ENABLE > 0 */
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/****************************************************************************************
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* W A T C H D O G D R I V E R H O O K F U N C T I O N S
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****************************************************************************************/
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#if (BOOT_COP_HOOKS_ENABLE > 0)
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/************************************************************************************//**
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** \brief Callback that gets called at the end of the internal COP driver
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** initialization routine. It can be used to configure and enable the
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** watchdog.
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** \return none.
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**
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****************************************************************************************/
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void CopInitHook(void)
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{
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} /*** end of CopInitHook ***/
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/************************************************************************************//**
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** \brief Callback that gets called at the end of the internal COP driver
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** service routine. This gets called upon initialization and during
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** potential long lasting loops and routine. It can be used to service
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** the watchdog to prevent a watchdog reset.
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** \return none.
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**
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****************************************************************************************/
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void CopServiceHook(void)
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{
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} /*** end of CopServiceHook ***/
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#endif /* BOOT_COP_HOOKS_ENABLE > 0 */
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/*********************************** end of hooks.c ************************************/
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