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RIOT/cpu/nrf5x_common/periph/pm.c
2021-07-28 20:11:26 +02:00

46 lines
1.1 KiB
C

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