rtt_arch.h

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/*
 * SPDX-FileCopyrightText: 2020 Gunar Schorcht
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include "periph/rtt.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define RTT_HW_COUNTER_MAX  ((1ULL << 48) - 1)

typedef struct {
    void (*init)(void);

    uint64_t (*get_counter)(void);

    void (*set_alarm)(uint32_t alarm, rtt_cb_t cb, void *arg);

    void (*clear_alarm)(void);

    void (*save_counter)(void);

    void (*restore_counter)(bool in_init);

    void (*poweron)(void);

    void (*poweroff)(void);
 
} rtt_hw_driver_t;

uint64_t rtt_pm_sleep_enter(unsigned mode);

void rtt_pm_sleep_exit(uint32_t cause);
 
#ifdef __cplusplus
}
#endif