111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
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/*
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* @brief LPC13xx System Control functions
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*
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* Copyright(C) NXP Semiconductors, 2012
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* All rights reserved.
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*
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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 licensor 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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* 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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#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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#if defined(CHIP_LPC1343)
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#if defined(CHIP_LPC1300L)
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#define PDSLEEPUSEMASK 0x000018B7 /* For CHIP_LPC1300L only */
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#else
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#define PDSLEEPUSEMASK 0x00000FB7
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#endif /* defined (CHIP_LPC1300L) */
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#else
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#define PDSLEEPUSEMASK 0x00000007
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#endif /* defined(CHIP_LPC1343) */
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#define PDSLEEPMASKTMP (SYSCTL_DEEPSLP_BOD_PD | SYSCTL_DEEPSLP_WDTOSC_PD)
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#define PDSLEEPMASK ((PDSLEEPUSEMASK) &~(PDSLEEPMASKTMP))
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/* PDWAKECFG register mask */
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#if defined(CHIP_LPC1347)
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#define PDWAKEUPUSEMASK 0x00000800
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#else
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#define PDWAKEUPUSEMASK 0x0000F800
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#endif
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#define PDWAKEUPMASKTMP 0x000005FF
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/* PDRUNCFG register mask */
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#if defined(CHIP_LPC1347)
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#define PDRUNCFGUSEMASK 0x0000E800
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#else
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#define PDRUNCFGUSEMASK 0x0000F800
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#endif
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#define PDRUNCFGMASKTMP 0x000005FF
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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 = PDSLEEPMASK | (sleepmask & PDSLEEPMASKTMP);
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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->PDWAKECFG = PDWAKEUPUSEMASK | (wakeupmask & PDWAKEUPMASKTMP);
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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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pdrun = LPC_SYSCTL->PDRUNCFG & PDRUNCFGMASKTMP;
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pdrun |= (powerdownmask & PDRUNCFGMASKTMP);
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LPC_SYSCTL->PDRUNCFG = (pdrun | PDRUNCFGUSEMASK);
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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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pdrun = LPC_SYSCTL->PDRUNCFG & PDRUNCFGMASKTMP;
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pdrun &= ~(powerupmask & PDRUNCFGMASKTMP);
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LPC_SYSCTL->PDRUNCFG = (pdrun | PDRUNCFGUSEMASK);
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}
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