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76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
/*
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* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
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* 2014 Freie Universität Berlin
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*
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup sys_compat
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* @{
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*
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* @file hwtimer_arch.c
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* @brief Implementation of the kernels hwtimer interface over periph timers
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*
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* This hwtimer implementation wraps one periph timer
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*
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* @author Thomas Eichinger <thomas.eichinger@fu-berlin.de>
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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*
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* @}
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*/
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#include "arch/hwtimer_arch.h"
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#include "board.h"
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#include "periph/timer.h"
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#include "thread.h"
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void irq_handler(int channel);
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void (*timeout_handler)(int);
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void hwtimer_arch_init(void (*handler)(int), uint32_t fcpu)
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{
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timeout_handler = handler;
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timer_init(HW_TIMER, 1, &irq_handler);
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}
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void hwtimer_arch_enable_interrupt(void)
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{
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timer_irq_enable(HW_TIMER);
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}
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void hwtimer_arch_disable_interrupt(void)
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{
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timer_irq_disable(HW_TIMER);
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}
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void hwtimer_arch_set(unsigned long offset, short timer)
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{
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timer_set(HW_TIMER, timer, offset);
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}
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void hwtimer_arch_set_absolute(unsigned long value, short timer)
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{
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timer_set_absolute(HW_TIMER, timer, value);
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}
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void hwtimer_arch_unset(short timer)
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{
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timer_clear(HW_TIMER, timer);
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}
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unsigned long hwtimer_arch_now(void)
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{
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return timer_read(HW_TIMER);
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}
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void irq_handler(int channel)
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{
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timeout_handler((short)(channel));
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}
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