xref: /btstack/chipset/sx128x/hal_timer.h (revision e812ac9c0daecaf8f13a220c52bb6ae6f416a858)

/*
 * Copyright (C) 2020 BlueKitchen GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 * 4. Any redistribution, use, or modification is done solely for
 *    personal benefit and not for any commercial purpose or for
 *    monetary gain.
 *
 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * Please inquire about commercial licensing options at
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 */

/*
 *  hci_event.h
 */

#ifndef HAL_TIMER_H
#define HCI_TIMER_H

#include "bluetooth.h"

#include <stdint.h>
#include <stdarg.h>

#if defined __cplusplus
extern "C" {
#endif

/*
 * @brief Initialize 32.768 kHz timer, usually low power and used by RTC and in deep sleep
 */
void hal_timer_init(void);

/*
 * @brief Set Timer Callback
 * @param callback
 */
void hal_timer_set_callback(void (*callback)(void));

/**
 * @brief Get current ticks
 * @return num_ticks
 */
uint16_t hal_timer_get_ticks(void);

/**
 * @brief Stop Timer
 */
void hal_timer_stop(void);

/**
 * @brief Start Timer and fire at given timeout
 * @param timeout_ticks timeout in ticks
 */
void hal_timer_start(uint16_t timeout_ticks);

#if defined __cplusplus
}
#endif
#endif // HAL_TIMER_H