rt-thread/bsp/lpc408x/Libraries/Drivers/source/lpc_bod.c

120 lines
3.7 KiB
C

/**********************************************************************
* $Id$ lpc_bod.c 2011-12-09
*//**
* @file lpc_bod.c
* @brief Contain functions related to BOD.
* @version 1.0
* @date 09 December. 2011
* @author NXP MCU SW Application Team
*
* Copyright(C) 2011, NXP Semiconductor
* All rights reserved.
*
***********************************************************************
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* products. This software is supplied "AS IS" without any warranties.
* NXP Semiconductors assumes no responsibility or liability for the
* use of the software, conveys no license or title under any patent,
* copyright, or mask work right to the product. NXP Semiconductors
* reserves the right to make changes in the software without
* notification. NXP Semiconductors also make no representation or
* warranty that such application will be suitable for the specified
* use without further testing or modification.
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors'
* relevant copyright in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
**********************************************************************/
/* Peripheral group ----------------------------------------------------------- */
/** @addtogroup BOD
* @{
*/
#ifdef __BUILD_WITH_EXAMPLE__
#include "lpc_libcfg.h"
#else
#include "lpc_libcfg_default.h"
#endif /* __BUILD_WITH_EXAMPLE__ */
#ifdef _BOD
#include "LPC407x_8x_177x_8x.h" /* LPC407x_8x_177x_8x Peripheral Registers */
#include "lpc_bod.h"
/* Public Functions ----------------------------------------------------------- */
/** @addtogroup BOD_Public_Functions
* @{
*/
/*********************************************************************//**
* @brief Initialize BOD control register
* @param[in] pConfig BOD Configuration
* @return None
**********************************************************************/
void BOD_Init( BOD_Config_Type* pConfig )
{
/* Turn on/off BOD. */
if(pConfig->Enabled == DISABLE)
{
LPC_SC->PCON |= BOD_PCON_BOGD;
return;
}
LPC_SC->PCON &= ~BOD_PCON_BOGD;
/* Brown-Out Reduced Power Mode */
if(pConfig->PowerReduced == ENABLE)
{
LPC_SC->PCON |= BOD_PCON_BODRPM;
}
else
{
LPC_SC->PCON &= ~BOD_PCON_BODRPM;
}
/* Brown-Out Reset */
if(pConfig->ResetOnVoltageDown == DISABLE)
{
LPC_SC->PCON |= BOD_PCON_BORD;
}
else
{
LPC_SC->PCON &= ~BOD_PCON_BORD;
}
/* Enable the BOD Interrupt */
NVIC_EnableIRQ(BOD_IRQn);
return;
}
/*********************************************************************//**
* @brief Get BOD reset source status
* @param[in] None
* @return TRUE/FALSE
**********************************************************************/
int32_t BOD_ResetSourceStatus( void )
{
if((LPC_SC->RSID & BOD_RSID_POR) == 1)
return DISABLE;
return ((LPC_SC->RSID & BOD_RSID_BODR)? ENABLE:DISABLE);
}
/*********************************************************************//**
* @brief Clear BOD reset source bit
* @param[in] None
* @return None
**********************************************************************/
void BOD_ResetSourceClr( void )
{
LPC_SC->RSID |= BOD_RSID_BODR;
}
/**
* @}
*/
#endif /*_BOD */
/**
* @}
*/
/******************************************************************************
** End Of File
******************************************************************************/