#pragma once

#include <stdbool.h>

// Notify that something is going on, don't go to sleep.
void powersave_stay_on();

// Go sleep next time powersave_check() is called.
void powersave_go_off();

// Check if it is time to go to sleep.
bool powersave_check();

// Go to sleep
void powersave_sleep();

#define SLEEP_TIME 240

// A wrapper around BaseSequentialStreams that calls powersave_stay_on()
// for every successful read.
#include <ch.h>
#include <hal.h>

typedef struct {
    const struct BaseChannelVMT *vmt;
    _base_channel_data;
    BaseChannel *real_stream;
} PowersaveStream;

void PowersaveStreamInit(PowersaveStream *stream, BaseChannel *real_stream);