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46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* Copyright (C) 2017 Kaspar Schleiser <kaspar@schleiser.de>
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* 2014-2017 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup cpu_nrf5x_common
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* @ingroup drivers_periph_pm
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* @{
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*
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* @file
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* @brief NRF5x specific power management implementations
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*
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include "cpu.h"
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#ifdef NRF_POWER_S
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#define NRF_POWER NRF_POWER_S
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#endif
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/* TODO: implement proper pm_off for nRF9160 */
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void pm_off(void)
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{
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#ifndef CPU_FAM_NRF9160
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#ifdef CPU_FAM_NRF51
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NRF_POWER->RAMON = 0;
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#else
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for (int i = 0; i < 8; i++) {
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NRF_POWER->RAM[i].POWERCLR = (POWER_RAM_POWERCLR_S1RETENTION_Msk |
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POWER_RAM_POWERCLR_S0RETENTION_Msk);
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}
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#endif
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NRF_POWER->SYSTEMOFF = 1;
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while (1) {}
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#endif /* ndef CPU_FAM_NRF9160 */
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}
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