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RIOT/core/include/kernel.h
2015-05-28 15:45:05 +02:00

99 lines
2.4 KiB
C

/*
* 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 compile time configuration
*
* A reboot() function is also provided
* (and used by core_panic() when needed).
*
* @author Kaspar Schleiser <kaspar@schleiser.de>
*/
#ifndef KERNEL_H_
#define KERNEL_H_
#include <stdbool.h>
#include <stdint.h>
#include "attributes.h"
#include "config.h"
#include "tcb.h"
#include "cpu.h"
#include "flags.h"
#include "sched.h"
#include "cpu_conf.h"
#ifdef __cplusplus
extern "C" {
#endif
/* ------------------------------------------------------------------------- */
/**
* @def LPM_PREVENT_SLEEP_UART
* @brief This flag tells the kernel that the deepest power saving
* mode that currently can be used must still allow UART
* communication. Bitmask to use with `lpm_prevent_sleep`
* in power management.
*/
#define LPM_PREVENT_SLEEP_UART BIT2
/**
* @def LPM_PREVENT_SLEEP_HWTIMER
* @brief This flag tells the kernel that the deepest power saving
* mode that currently can be used must still allow the hwtimer
* to run. Bitmask to use with `lpm_prevent_sleep` in power management.
*/
#define LPM_PREVENT_SLEEP_HWTIMER BIT1
/**
* @brief This bitfield is used to configure which modules are
* currently active and prevent the kernel to go to the
* deepest power modes. It is used with `LPM_PREVENT_SLEEP_HWTIMER`
* and/or `LPM_PREVENT_SLEEP_UART`.
*/
extern volatile int lpm_prevent_sleep;
/**
* @brief Variable used to store system configuration
*
* @details This contains e.g. the node ID, name, default channel and so on
*/
extern config_t sysconfig;
/* ------------------------------------------------------------------------- */
/**
* @brief Immediately reboots the system.
*
* This function is used by core_panic() when the DEVELHELP macro is not defined.
*
* @param mode The reboot mode (unused for now)
*
* @return This call never returns when successful. -1 is returned otherwise.
*/
int reboot(int mode);
/**
* @def RB_AUTOBOOT
* @brief Reboot the system in the usual fashion
*/
#define RB_AUTOBOOT 0
#ifdef __cplusplus
}
#endif
#endif /* KERNEL_H_ */
/** @} */