nuttx/arch/arm/src/efm32/efm32_rmu.h

106 lines
4.1 KiB
C

/****************************************************************************
* arch/arm/src/efm32/efm32_rmu.h
*
* Copyright (C) 2015 Pierre-noel Bouteville . All rights reserved.
* Authors: Pierre-noel Bouteville <pnb990@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_EFM32_EFM32_RMU_H
#define __ARCH_ARM_SRC_EFM32_EFM32_RMU_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "hardware/efm32_rmu.h"
#ifdef CONFIG_EFM32_RMU
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#ifndef CONFIG_DEBUG_ERROR
# undef CONFIG_EFM32_RMU_DEBUG
#endif
#ifdef CONFIG_EFM32_RMU_DEBUG
# define rmuerr _err
# define rmuwarn _warn
# define rmuinfo _info
#else
# define rmuerr(x...)
# define rmuwarn(x...)
# define rmuinfo(x...)
#endif
/****************************************************************************
* Public Data
****************************************************************************/
extern uint32_t g_efm32_rstcause;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/************************************************************************************
* Name: efm32_rmu_initialize
*
* Description:
* Store reset cause into g_efm32_rstcause then clear reset cause register.
*
************************************************************************************/
void efm32_rmu_initialize(void);
const char* efm32_reset_cause_list_str(uint32_t reg, unsigned int *idx);
/************************************************************************************
* Name: efm32_reset_cause_list_str
*
* Description:
* Return next reset cause string, NULL if no more reset cause.
*
* Input Parameters:
* reg: reset cause register to decode (like g_efm32_rstcause)
* idx: Use to keep in maind reset cause decoding position.
* set *idx to zero before first call.
*
************************************************************************************/
#ifdef CONFIG_EFM32_RMU_DEBUG
const char *efm32_reset_cause_list_str(uint32_t reg, unsigned int *idx);
#endif
#endif /* CONFIG_EFM32_RMU */
#endif /* __ARCH_ARM_SRC_EFM32_EFM32_RMU_H */