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/**
* @file clock.h
* Clock utilities
*
* Copyright (C) 2018 Clyne Sullivan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef CLOCK_H_
#define CLOCK_H_
#include <stdint.h>
/**
* Initializes clocks, setting HCLK (system clock) to 80MHz, the maximum.
*/
extern void clock_init(void);
/**
* Sleeps for given amount of milliseconds.
* @param ms Number of milliseconds to sleep for
*/
void clock_delay(uint32_t ms);
/**
* Sleeps for the given amount of microseconds.
* @param count Number of microseconds to sleep for
*/
void clock_udelay(uint32_t count);
/**
* Returns the number of milliseconds since clock initialization.
* @return milliseconds since init
*/
uint32_t clock_millis(void);
#endif // CLOCK_H_
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