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165 lines
5.6 KiB
C
Executable file
165 lines
5.6 KiB
C
Executable file
/**
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******************************************************************************
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* @file dct.h
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* @author
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* @version
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* @brief Device Configuration Table API for storing information in NVRAM(flash).
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******************************************************************************
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* @attention
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*
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* This module is a confidential and proprietary property of RealTek and possession or use of this module requires written permission of RealTek.
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*
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* Copyright(c) 2016, Realtek Semiconductor Corporation. All rights reserved.
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******************************************************************************
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*/
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#ifndef __RTK_DCT_H__
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#define __RTK_DCT_H__
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#include <platform_stdlib.h>
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#include <osdep_service.h>
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/**
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* @defgroup dct dct
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* @brief device configuration table API.
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*
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* DCT module have below functions
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* - dct init, deinit
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* - dct module register, unregister, open, close
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* - dct variable set, get ,delete
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* @{
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*/
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/**
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* @brief DCT error number.
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*/
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enum{
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DCT_SUCCESS = 0, /*!< success */
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DCT_ERROR = -1, /*!< error */
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DCT_ERR_CRC = -2, /*!< crc error */
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DCT_ERR_NO_SPACE = -3, /*!< no space error */
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DCT_ERR_NO_MEMORY = -4, /*!< alloc memory error */
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DCT_ERR_FLASH_RW = -5, /*!< flash r/w error */
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DCT_ERR_NOT_FIND = -6, /*!< not find error */
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DCT_ERR_INVALID = -7, /*!< invalid operation error */
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DCT_ERR_SIZE_OVER = -8, /*!< varialbe length over max size error */
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DCT_ERR_MODULE_BUSY = -9, /*!< module mutex time out */
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};
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/**
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* @brief The structure is the module handler for DCT operation.
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*/
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#define MODULE_NAME_SIZE 32 /*!< max size of the module name */
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typedef struct _dct_handle_t{
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uint32_t module_state; /*!< the module state */
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uint8_t module_name[MODULE_NAME_SIZE+1]; /*!< the module name */
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uint8_t module_idx; /*!< the module index */
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uint16_t used_variable_num; /*!< the number of variable had used */
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uint32_t variable_crc; /*!< the crc of all variables */
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uint8_t cache_dirty; /*!< the dirty flag of cache */
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uint8_t *variable_cache; /*!< the buffer point of variable cache*/
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}dct_handle_t;
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/**
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* @brief Format device configuration table.
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* @param[in] begin_address : DCT begin address of flash
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* @param[in] module_number : total module number
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* @param[in] variable_name_size : size of variable name
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* @param[in] variable_value_size : size of variable size
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* @param[in] enable_backup : enable backup function to backup module, it need double module size
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* @return 0 : SUCCESS
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* @return <0 : ERROR
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*/
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int32_t dct_format(uint32_t begin_address, uint16_t module_number, uint16_t variable_name_size, uint16_t variable_value_size, uint8_t enable_backup);
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/**
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* @brief Initialize device configuration table.
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* @param[in] begin_address : DCT begin address of flash
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* @param[in] module_number : total module number
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* @param[in] variable_name_size : size of variable name
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* @param[in] variable_value_size : size of variable size
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* @param[in] enable_backup : enable backup function to backup module, it need double module size
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* @return 0 : SUCCESS
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* @return <0 : ERROR
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*/
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int32_t dct_init(uint32_t begin_address, uint16_t module_number, uint16_t variable_name_size, uint16_t variable_value_size, uint8_t enable_backup);
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/**
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* @brief Deinitialize device configuration table.
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*/
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void dct_deinit(void);
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/**
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* @brief Register module in DCT.
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* @param[in] module_name : module name
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* @return 0 : SUCCESS
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* @return <0 : ERROR
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*/
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int32_t dct_register_module(char *module_name);
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/**
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* @brief Unregister and delete module in DCT.
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* @param[in] module_name : module name
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* @return 0 : SUCCESS
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* @return <0 : ERROR
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*/
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int32_t dct_unregister_module(char *module_name);
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/**
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* @brief Open module in DCT.
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* @param[out] dct_handle : setup module informations in dct handler
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* @param[in] module_name : module name
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* @return 0 : SUCCESS
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* @return <0 : ERROR
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*/
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int32_t dct_open_module(dct_handle_t *dct_handle, char *module_name);
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/**
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* @brief Close module in DCT.
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* @param[in] dct_handle : dct handler
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* @return 0 : SUCCESS
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* @return <0 : ERROR
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*/
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int32_t dct_close_module(dct_handle_t *dct_handle);
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/**
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* @brief Write variable name and value in opened module.
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* @param[in] dct_handle : dct handler
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* @param[in] variable_name : variable name which you want to store in module
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* @param[in] variable_value : variable value which you want to store in module
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* @return 0 : SUCCESS
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* @return <0 : ERROR
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*/
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int32_t dct_set_variable(dct_handle_t *dct_handle, char *variable_name, char *variable_value);
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/**
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* @brief read value of variable name in opened module.
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* @param[in] dct_handle : dct handler
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* @param[in] variable_name : variable name which you want to get from module
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* @param[out] buffer : read variable value
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* @param[in] buffer_size : the buffer size
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* @return 0 : SUCCESS
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* @return <0 : ERROR
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*/
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int32_t dct_get_variable(dct_handle_t *dct_handle, char *variable_name, char *buffer, uint16_t buffer_size);
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/**
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* @brief delete variable name and value in opened module.
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* @param[in] dct_handle : dct handler
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* @param[in] variable_name : variable name which you want to delete in module
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* @return 0 : SUCCESS
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* @return <0 : ERROR
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*/
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int32_t dct_delete_variable(dct_handle_t *dct_handle, char *variable_name);
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/**
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* @brief Remaining variable amount in opened module.
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* @param[in] dct_handle : dct handler
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* @return integer : Remaining variable amount
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* @return <0 : ERROR
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*/
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int32_t dct_remain_variable(dct_handle_t *dct_handle);
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/*\@}*/
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#endif // #ifndef __RTK_DCT_H__
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