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/*
* Copyright (C) 2013 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @addtogroup core_internal
* @{
*
* @file
* @brief Kernel configuration interface
*
* @author unknown
*/
#ifndef CONFIG_H
#define CONFIG_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define CONFIG_KEY (0x1701) /**< key to identify configuration */
#define CONFIG_NAME_LEN (10) /**< length of name for configuration in bytes */
/**
* @brief Memory for configuration defined externally.
*/
extern char configmem[];
/**
* @brief Stores configuration data of the node.
*/
typedef struct {
uint16_t id; /**< unique node identifier */
char name[CONFIG_NAME_LEN]; /**< name of the node */
} config_t;
/**
* @brief Element to store in flashrom.
*/
typedef struct {
uint16_t magic_key; /**< validity check */
config_t config; /**< the node's configuration */
} configmem_t;
/**
* @brief Variable sysconfig defined externally
*/
extern config_t sysconfig;
/**
* @brief Write configuration back to flashrom.
*
* @return 1 on success, 0 otherwise
*/
uint8_t config_save(void);
/**
* @brief Read configuration from flashrom and stores it to sysconfig
*
* @note If no configuration is present within flashrom a new configuration will be created
*/
void config_load(void);
#ifdef __cplusplus
}
#endif
#endif /* CONFIG_H */
/** @} */