60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/* Reflow Oven Controller
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*
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* Copyright (C) 2020 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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#include <stdint.h>
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#include <stdbool.h>
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/**
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* @brief Init the backup ram and make it accesible
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* @param use_backup_regulator Enable the Backup VBAT regulator. It will be used, when VDD is powered off
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*/
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void backup_ram_init(bool use_backup_regulator);
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/**
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* @brief Disable access to the backup RAM. This saves power
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*/
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void backup_ram_disable(void);
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/**
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* @brief Whis function overwrites the backup RAM with 0x00000000
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*/
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void backup_ram_wipe(void);
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/**
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* @brief Read data from the backup RAM
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* @param addr Address offset inside memory
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* @param data Read data
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* @param count amount of 32 bit words to read
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* @return 0 if successful
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*/
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int backup_ram_get_data(uint32_t addr, uint32_t *data, uint32_t count);
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/**
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* @brief Write data structure to backup RAM
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* @param[in] data Data to write.
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* @param count Count of 32 bit words to write
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* @return 0 if successful
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*/
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int backup_ram_write_data(uint32_t addr, const uint32_t *data, uint32_t count);
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uint32_t backup_ram_get_size_in_words(void);
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volatile void *backup_ram_get_base_ptr(void);
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