108 lines
3.8 KiB
C
108 lines
3.8 KiB
C
/*
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* @brief LPC8xx System & Control driver
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*
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* @note
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* Copyright(C) NXP Semiconductors, 2012
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* All rights reserved.
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*
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* @par
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* LPC products. This software is supplied "AS IS" without any warranties of
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* any kind, and NXP Semiconductors and its licenser disclaim any and
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* all warranties, express or implied, including all implied warranties of
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* merchantability, fitness for a particular purpose and non-infringement of
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* intellectual property rights. NXP Semiconductors assumes no responsibility
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* or liability for the use of the software, conveys no license or rights under any
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* patent, copyright, mask work right, or any other intellectual property rights in
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* or to any products. NXP Semiconductors reserves the right to make changes
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* in the software without notification. NXP Semiconductors also makes no
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* representation or warranty that such application will be suitable for the
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* specified use without further testing or modification.
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*
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* @par
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors' and its
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* licensor's relevant copyrights in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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*/
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#define _CHIP_COMMON_
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#include "chip.h"
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/*****************************************************************************
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* Private types/enumerations/variables
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****************************************************************************/
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/* PDSLEEPCFG register mask */
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#define PDSLEEPWRMASK (0x0000FFB7)
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#define PDSLEEPDATMASK (0x00000048)
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#if defined(CHIP_LPC82X)
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/* PDWAKECFG and PDRUNCFG register masks */
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#define PDWAKEUPWRMASK (0x00006D00)
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#define PDWAKEUPDATMASK (0x000080FF)
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#else
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/* PDWAKECFG and PDRUNCFG register masks */
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#define PDWAKEUPWRMASK (0x00006D10)
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#define PDWAKEUPDATMASK (0x000080EF)
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#endif
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/*****************************************************************************
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* Public types/enumerations/variables
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****************************************************************************/
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/*****************************************************************************
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* Private functions
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****************************************************************************/
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/*****************************************************************************
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* Public functions
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****************************************************************************/
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/* Setup deep sleep behaviour for power down */
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void Chip_SYSCTL_SetDeepSleepPD(uint32_t sleepmask)
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{
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/* Update new value */
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LPC_SYSCTL->PDSLEEPCFG = PDSLEEPWRMASK | (sleepmask & PDSLEEPDATMASK);
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}
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/* Setup wakeup behaviour from deep sleep */
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void Chip_SYSCTL_SetWakeup(uint32_t wakeupmask)
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{
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/* Update new value */
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LPC_SYSCTL->PDAWAKECFG = PDWAKEUPWRMASK | (wakeupmask & PDWAKEUPDATMASK);
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}
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/* Power down one or more blocks or peripherals */
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void Chip_SYSCTL_PowerDown(uint32_t powerdownmask)
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{
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uint32_t pdrun;
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/* Get current power states */
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pdrun = LPC_SYSCTL->PDRUNCFG & PDWAKEUPDATMASK;
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/* Disable peripheral states by setting high */
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pdrun |= (powerdownmask & PDWAKEUPDATMASK);
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/* Update power states with required register bits */
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LPC_SYSCTL->PDRUNCFG = (PDWAKEUPWRMASK | pdrun);
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}
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/* Power up one or more blocks or peripherals */
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void Chip_SYSCTL_PowerUp(uint32_t powerupmask)
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{
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uint32_t pdrun;
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/* Get current power states */
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pdrun = LPC_SYSCTL->PDRUNCFG & PDWAKEUPDATMASK;
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/* Enable peripheral states by setting low */
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pdrun &= ~(powerupmask & PDWAKEUPDATMASK);
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/* Update power states with required register bits */
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LPC_SYSCTL->PDRUNCFG = (PDWAKEUPWRMASK | pdrun);
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}
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