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firmware/sys/storage: Added supports to del registers an rwp bit set
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eduazocar
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Oct 12, 2022
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| SRC = storage.c | ||
| SRC += storage_register.c | ||
| SRC += storage_internal.c | ||
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| include $(RIOTBASE)/Makefile.base |
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| /* | ||
| * Copyright (c) 2022 Mesh4all <mesh4all.org> | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| /** | ||
| * @ingroup storage_module | ||
| * @{ | ||
| * @file | ||
| * @brief This is the storage module where you can save data in the flash memory. | ||
| * This data should not be greater than 64 bytes. Data formats allowed are string | ||
| * and uint8. | ||
| * | ||
| * @author xkevin190 <kevinvelasco193@gmail.com> | ||
| * @author eduazocar <eduazocarv@gmail.com> | ||
| * | ||
| */ | ||
| #ifndef STORAGE_INTERNAL_H | ||
| #define STORAGE_INTERNAL_H | ||
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| #include "mtd_flashpage.h" | ||
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| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
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| #define LAST_AVAILABLE_PAGE (FLASHPAGE_NUMOF - 1) /*!< Last position in the block EEPROM*/ | ||
| #define MAX_SIZE_STORAGE (4096) /*!< max size of mtd_storage, only writeable 4K */ | ||
| #define MAX_NUMOF_FLASHPAGES \ | ||
| (MAX_SIZE_STORAGE / FLASHPAGE_SIZE) /*!< max num of pages that can be manipulated */ | ||
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| #define MTD_START_ADDR \ | ||
| ((uint32_t)(flashpage_addr(LAST_AVAILABLE_PAGE)) - \ | ||
| MAX_SIZE_STORAGE) /*!< Reference to the first address writeable*/ | ||
| #define MTD_LAST_ADDR \ | ||
| (uint32_t)(flashpage_addr(LAST_AVAILABLE_PAGE)) /*!< Reference to the last address writeable*/ | ||
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| /** | ||
| * @brief Saves any value in any position of mtd_storage. | ||
| * | ||
| * @param [in] value Any type of value. | ||
| * @param [in] len size of @p value that will be saved. | ||
| * @param [in] offset reference to an position in mtd_storage. | ||
| * @return int8_t | ||
| */ | ||
| int mtd_save(const void *value, uint32_t len, uint32_t offset); | ||
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| /** | ||
| * @brief Loads any value in any position of mtd_storage. | ||
| * | ||
| * @param [out] value Any type of value. | ||
| * @param [in] len size of @p value that will be loaded. | ||
| * @param [in] offset reference to an position in mtd_storage. | ||
| * @return int8_t | ||
| */ | ||
| int mtd_load(void *value, uint16_t len, uint32_t offset); | ||
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| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
| #endif /* STORAGE_INTERNAL_H */ | ||
| /** @} */ |
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| /* | ||
| * Copyright (c) 2022 Mesh4all <mesh4all.org> | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| /** | ||
| * @ingroup storage_module | ||
| * @{ | ||
| * @file | ||
| * @brief This is the storage module where you can save data in the flash memory by registers | ||
| * you can add an identifier o key to locate a specify data. | ||
| * | ||
| * @author eduazocar <eduazocarv@gmail.com> | ||
| * | ||
| */ | ||
| #ifndef STORAGE_REGISTER_H | ||
| #define STORAGE_REGISTER_H | ||
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| #include "mtd_flashpage.h" | ||
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| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
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| #define MTD_REGISTER_INDEX_LIMIT (512) /*!< Reference to max number of bytes to add an register*/ | ||
| #define RWP_WRITE_BITMASK (0x80) /*!< Read/Write protection bit mask to set Writeable register*/ | ||
| #define RWP_READ_BITMASK (0x00) /*!< Read/Write protection bit mask to set only-read register*/ | ||
| typedef struct { | ||
| uint16_t size; | ||
| uint8_t key[25]; | ||
| uint8_t rwp; | ||
| uint32_t ptr_content; | ||
| } mtd_register_t; | ||
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| #define MTD_REG_IDX_NUMOF \ | ||
| (MTD_REGISTER_INDEX_LIMIT / \ | ||
| sizeof(mtd_register_t)) /*!< Max number of indexes that can be saved in the mtd storage */ | ||
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| /** | ||
| * @brief Saves data using a key as identifier to localize a group of bytes. | ||
| * | ||
| * @param [in] value Any type of value. | ||
| * @param [in] key Identifier to set/get a specified value. | ||
| * @param [in] len size of @p value that will be saved. | ||
| * @return int8_t | ||
| */ | ||
| int mtd_save_reg(const void *value, const uint8_t *key, uint16_t len); | ||
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| /** | ||
| * @brief Load data from mtd_storage localizating with its knew key and saves in @p value the data. | ||
| * | ||
| * @param [out] value Any type of value. | ||
| * @param [in] key Identifier to set/get a specified value. | ||
| * @param [in] len size of data that will be saved in @p value . | ||
| * | ||
| * @note @p size is used to check with the data saved in mtd_storage and won't be overflowed the @p | ||
| * value parameter. | ||
| * @return int8_t | ||
| */ | ||
| int mtd_load_reg(void *value, const uint8_t *key, uint16_t len); | ||
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| /** | ||
| * @brief Removes all saved data in mtd_storage. This will erase all until the | ||
| * last page since to available flash page to write eeprom. | ||
| * | ||
| * @warning The mtd storage needs to define a flashpage limit after base program | ||
| * memory allocation | ||
| * | ||
| * @retval 0 Erased data success | ||
| * @retval -1 Erased Fail. | ||
| */ | ||
| int8_t mtd_reg_del(uint8_t *key, uint16_t size); | ||
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| /** | ||
| * @brief | ||
| * | ||
| * @param[inout] idx First available index to write a register. | ||
| * @param[inout] count Number of available registers to write. | ||
| * @return int8_t | ||
| */ | ||
| int8_t mtd_available_idx(uint8_t *idx, uint8_t *count); | ||
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| /** | ||
| * @brief Removes all registers and set all their read/write protection bit, making that registers | ||
| * writeable | ||
| * | ||
| * @return int | ||
| */ | ||
| int mtd_clear_all_regs(void); | ||
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| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
| #endif /* STORAGE_REGISTER_H */ | ||
| /** @} */ |
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