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https://bitbucket.org/librepilot/librepilot.git
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132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
/**
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******************************************************************************
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* @addtogroup PIOS PIOS Core hardware abstraction layer
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* @{
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* @addtogroup PIOS_BOOTLOADER Functions
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* @brief HAL code to interface to the OpenPilot AHRS module
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* @{
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*
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* @file pios_bl_helper.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @brief Bootloader Helper Functions
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <pios.h>
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#ifdef PIOS_INCLUDE_BL_HELPER
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#include <pios_board_info.h>
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#include <stm32f10x_flash.h>
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#include <stdbool.h>
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uint8_t *PIOS_BL_HELPER_FLASH_If_Read(uint32_t SectorAddress)
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{
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return (uint8_t *)(SectorAddress);
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}
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#if defined(PIOS_INCLUDE_BL_HELPER_WRITE_SUPPORT)
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static bool erase_flash(uint32_t startAddress, uint32_t endAddress);
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uint8_t PIOS_BL_HELPER_FLASH_Ini()
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{
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FLASH_Unlock();
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return 1;
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}
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uint8_t PIOS_BL_HELPER_FLASH_Start()
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{
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const struct pios_board_info *bdinfo = &pios_board_info_blob;
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uint32_t startAddress = bdinfo->fw_base;
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uint32_t endAddress = bdinfo->fw_base + bdinfo->fw_size + bdinfo->desc_size;
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bool success = erase_flash(startAddress, endAddress);
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return (success) ? 1 : 0;
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}
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uint8_t PIOS_BL_HELPER_FLASH_Erase_Bootloader()
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{
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/// Bootloader memory space erase
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uint32_t startAddress = BL_BANK_BASE;
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uint32_t endAddress = BL_BANK_BASE + BL_BANK_SIZE;
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bool success = erase_flash(startAddress, endAddress);
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return (success) ? 1 : 0;
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}
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static bool erase_flash(uint32_t startAddress, uint32_t endAddress)
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{
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uint32_t pageAddress = startAddress;
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uint8_t fail = false;
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while ((pageAddress < endAddress) && (fail == false)) {
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for (int retry = 0; retry < MAX_DEL_RETRYS; ++retry) {
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if (FLASH_ErasePage(pageAddress) == FLASH_COMPLETE) {
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fail = false;
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break;
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} else {
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fail = true;
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}
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}
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#ifdef STM32F10X_HD
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pageAddress += 2048;
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#elif defined(STM32F10X_MD)
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pageAddress += 1024;
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#endif
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}
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return !fail;
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}
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#endif /* if defined(PIOS_INCLUDE_BL_HELPER_WRITE_SUPPORT) */
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uint32_t PIOS_BL_HELPER_CRC_Memory_Calc()
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{
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const struct pios_board_info *bdinfo = &pios_board_info_blob;
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PIOS_BL_HELPER_CRC_Ini();
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CRC_ResetDR();
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CRC_CalcBlockCRC((uint32_t *)bdinfo->fw_base, (bdinfo->fw_size) >> 2);
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return CRC_GetCRC();
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}
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void PIOS_BL_HELPER_FLASH_Read_Description(uint8_t *array, uint8_t size)
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{
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const struct pios_board_info *bdinfo = &pios_board_info_blob;
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uint8_t x = 0;
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if (size > bdinfo->desc_size) {
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size = bdinfo->desc_size;
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}
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for (uint32_t i = bdinfo->fw_base + bdinfo->fw_size; i < bdinfo->fw_base + bdinfo->fw_size + size; ++i) {
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array[x] = *PIOS_BL_HELPER_FLASH_If_Read(i);
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++x;
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}
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}
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void PIOS_BL_HELPER_CRC_Ini()
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{
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC, ENABLE);
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}
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#endif /* PIOS_INCLUDE_BL_HELPER */
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