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71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/*
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* Copyright (C) 2013 Freie Universität Berlin
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*
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* This file subject to the terms and conditions of the GNU Lesser General
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* Public License. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @addtogroup core_internal
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* @{
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*
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* @file config.h
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* @brief Kernel configuration interface
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*
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* @author unknown
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*/
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#ifndef CONFIG_H
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#define CONFIG_H
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#include <stdint.h>
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#define CONFIG_KEY (0x1701) /**< key to identify configuration */
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#define CONFIG_NAME_LEN (10) /**< length of name for configuration in bytes */
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/**
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* @brief Memory for configuration defined externally.
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*/
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extern char configmem[];
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/**
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* @brief Stores configuration data of the node.
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*/
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typedef struct {
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uint16_t id; /**< unique node identifier */
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uint8_t radio_address; /**< address for radio communication */
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uint8_t radio_channel; /**< current frequency */
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char name[CONFIG_NAME_LEN]; /**< name of the node */
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} config_t;
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/**
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* @brief Element to store in flashrom.
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*/
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typedef struct {
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uint16_t magic_key; /**< validity check */
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config_t config; /**< the node's configuration */
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} configmem_t;
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/**
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* @brief Variable sysconfig defined externally
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*/
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extern config_t sysconfig;
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/**
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* @brief Write configuration back to flashrom.
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*
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* @return 1 on success, 0 otherwise
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*/
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uint8_t config_save(void);
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/**
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* @brief Read configuration from flashrom and stores it to sysconfig
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*
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* @note If no configuration is present within flashrom a new configuration will be created
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*/
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void config_load(void);
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#endif /* CONFIG_H */
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/** @} */
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