nrf_clock.h

/*
 * Copyright (C) 2022 Gunar Schorcht
 *
 * 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.
 */
 
#ifndef NRF52_NRF_CLOCK_H
#define NRF52_NRF_CLOCK_H
 
#include <stdbool.h>
 
#include "nrf.h"
#include_next "nrf_clock.h"
 
#if !DOXYGEN
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define NRF_CLOCK_HFCLK_HIGH_ACCURACY   (1UL)
#define NRF_CLOCK_EVENT_HFCLKSTARTED    offsetof(NRF_CLOCK_Type, EVENTS_HFCLKSTARTED)
 
typedef enum {
    NRF_CLOCK_TASK_HFCLKSTART,
    NRF_CLOCK_TASK_HFCLKSTOP,
} nrf_clock_task_t;
 
static bool _nrf_clock_hf_running = false;
 
static inline bool nrf_clock_hf_is_running(NRF_CLOCK_Type const *reg,
                                           uint32_t clk_src)
{
 
    return _nrf_clock_hf_running;
}
 
static inline bool nrf_clock_event_clear(NRF_CLOCK_Type *reg, uint32_t event)
{
    (void)reg;
    (void)event;
    return true;
}
 
static inline void nrf_clock_task_trigger(NRF_CLOCK_Type *reg,
                                          nrf_clock_task_t task)
{
    switch (task) {
        case NRF_CLOCK_TASK_HFCLKSTART:
            clock_hfxo_request();
            _nrf_clock_hf_running = true;
            break;
        case NRF_CLOCK_TASK_HFCLKSTOP:
            clock_hfxo_release();
            _nrf_clock_hf_running = false;
            break;
        default:
            break;
    }
}
 
#ifdef __cplusplus
}
#endif
 
#endif /* !DOXYGEN */
#endif /* NRF52_NRF_CLOCK_H */