57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* Reflow Oven Controller
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*
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* Copyright (C) 2022 Mario Hüttel <mario.huettel@gmx.net>
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*
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* This file is part of the Reflow Oven Controller Project.
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*
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* The reflow oven controller is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* The Reflow Oven Control Firmware is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with the reflow oven controller project.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SAFETY_FLASH_CRC_H_
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#define _SAFETY_FLASH_CRC_H_
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#include <stdint.h>
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enum flash_crc_section {
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FLASH_CRC_VECTOR = 0,
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FLASH_CRC_TEXT,
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FLASH_CRC_DATA,
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FLASH_CRC_CCMDATA,
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N_FLASH_CRC,
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};
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/**
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* @brief Perform a CRC check of the flash memory and set appropriate flags
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* @return negative if internal error occured. Otherwise (independent from CRC check result) 0.
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* @note This function requires the safety controller (and CRC unit) to be set up before calling!
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*/
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int flash_crc_trigger_check(void);
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/**
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* @brief Calculate CRC over flash section
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* @param sec Section to calculate CRC over
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* @param[out] crc_result Calculated CRC
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* @return negative if internal error occured. Otherwise (independent from CRC check result) 0.
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*/
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int flash_crc_calc_section(enum flash_crc_section sec, uint32_t *crc_result);
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/**
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* @brief Get expected CRC value of a section
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* @param sec Section
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* @return Expected CRC
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*/
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uint32_t flash_crc_get_expected_crc(enum flash_crc_section sec);
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#endif /* _SAFETY_FLASH_CRC_H_ */
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