nrfx_riot.h

Go to the documentation of this file.

/*
 * Copyright (C) 2018 Freie Universität Berlin
 * Copyright (C) 2020 Inria
 * Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
 *
 * 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.
 */
 
#pragma once
 
#include "kernel_defines.h"
#include "cpu_conf.h"
#include "periph_conf.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
static inline void nrfx_dcdc_init(void)
{
    if (IS_ACTIVE(MODULE_VDD_LC_FILTER_REG1)) {
        NRF_POWER->DCDCEN = 1;
    }
 
#ifdef POWER_DCDCEN0_DCDCEN_Msk
    /* on CPUs that support high voltage power supply via VDDH and thus use a
     * two stage regulator, we also try to enable the DC/DC converter for the
     * first stage */
    if (IS_ACTIVE(MODULE_VDD_LC_FILTER_REG0) &&
        (NRF_POWER->MAINREGSTATUS == POWER_MAINREGSTATUS_MAINREGSTATUS_High)) {
        NRF_POWER->DCDCEN0 = 1;
    }
#endif
}
 
#ifdef __cplusplus
}
#endif