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b917807444
Allow accessing supported timer frequencies with a dedicated API. This API needs to be implemented per platform and is available with the feature periph_timer_query_freqs.
42 lines
881 B
C
42 lines
881 B
C
/*
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* Copyright (C) 2017 Freie Universität Berlin
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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 drivers_periph_timer
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* @{
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*
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* @file
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* @brief Shared peripheral timer code
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include "periph/timer.h"
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#include "irq.h"
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#ifndef PERIPH_TIMER_PROVIDES_SET
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int timer_set(tim_t dev, int channel, unsigned int timeout)
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{
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unsigned int state = irq_disable();
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int res = timer_set_absolute(dev, channel, timer_read(dev) + timeout);
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irq_restore(state);
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return res;
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}
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#endif
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#ifdef MODULE_PERIPH_TIMER_QUERY_FREQS
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__attribute__((weak))
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uword_t timer_query_channel_numof(tim_t dev)
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{
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(void)dev;
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return TIMER_CHANNEL_NUMOF;
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}
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#endif
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