Separate flash CRC checker from safety controller and implement shell command to calculate CRCs

This commit is contained in:
2022-09-22 21:16:41 +02:00
parent aeffb9df99
commit 6570d217c7
7 changed files with 335 additions and 106 deletions

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@@ -0,0 +1,37 @@
/* Reflow Oven Controller
*
* Copyright (C) 2022 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of the Reflow Oven Controller Project.
*
* The reflow oven controller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The Reflow Oven Control Firmware is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the reflow oven controller project.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SAFETY_FLASH_CRC_STRUCT_H_
#define _SAFETY_FLASH_CRC_STRUCT_H_
#include <stdint.h>
struct flash_crcs {
uint32_t start_magic;
uint32_t crc_section_text;
uint32_t crc_section_data;
uint32_t crc_section_ccm_data;
uint32_t crc_section_vectors;
uint32_t end_magic;
};
extern const struct flash_crcs crcs_in_flash;
#endif /* _SAFETY_FLASH_CRC_STRUCT_H_ */

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@@ -0,0 +1,56 @@
/* Reflow Oven Controller
*
* Copyright (C) 2022 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of the Reflow Oven Controller Project.
*
* The reflow oven controller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The Reflow Oven Control Firmware is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the reflow oven controller project.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SAFETY_FLASH_CRC_H_
#define _SAFETY_FLASH_CRC_H_
#include <stdint.h>
enum flash_crc_section {
FLASH_CRC_VECTOR = 0,
FLASH_CRC_TEXT,
FLASH_CRC_DATA,
FLASH_CRC_CCMDATA,
N_FLASH_CRC,
};
/**
* @brief Perform a CRC check of the flash memory and set appropriate flags
* @return negative if internal error occured. Otherwise (independent from CRC check result) 0.
* @note This function requires the safety controller (and CRC unit) to be set up before calling!
*/
int flash_crc_trigger_check(void);
/**
* @brief Calculate CRC over flash section
* @param sec Section to calculate CRC over
* @param[out] crc_result Calculated CRC
* @return negative if internal error occured. Otherwise (independent from CRC check result) 0.
*/
int flash_crc_calc_section(enum flash_crc_section sec, uint32_t *crc_result);
/**
* @brief Get expected CRC value of a section
* @param sec Section
* @return Expected CRC
*/
uint32_t flash_crc_get_expected_crc(enum flash_crc_section sec);
#endif /* _SAFETY_FLASH_CRC_H_ */

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@@ -267,13 +267,6 @@ int safety_controller_set_overtemp_limit(float over_temperature);
*/
float safety_controller_get_overtemp_limit(void);
/**
* @brief Perform a CRC check of the flash memory and set appropriate flags
* @return negative if internal error occured. Otherwise (independent from CRC check result) 0.
* @note This function requires the safety controller to be set up before!
*/
int safety_controller_trigger_flash_crc_check(void);
/**
* @brief Recalculate the CRC of a given CRC Monitor. This has to be done once the supervised registers update
* @param mon Monitor to recalculate