73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2013 Ben Gamari <bgamari@physics.umass.edu>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* This provides the code for the "next gen" EXTI block provided in F2/F4/L1
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* devices. (differences only in the source selection)
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*/
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#include <libopencm3/lpc43xx/timer.h>
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void timer_reset(uint32_t timer_peripheral)
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{
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TIMER_TCR(timer_peripheral) |= TIMER_TCR_CRST;
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TIMER_TCR(timer_peripheral) &= ~TIMER_TCR_CRST;
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}
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void timer_enable_counter(uint32_t timer_peripheral)
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{
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TIMER_TCR(timer_peripheral) |= TIMER_TCR_CEN;
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}
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void timer_disable_counter(uint32_t timer_peripheral)
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{
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TIMER_TCR(timer_peripheral) &= ~TIMER_TCR_CEN;
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}
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void timer_set_counter(uint32_t timer_peripheral, uint32_t count)
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{
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TIMER_TC(timer_peripheral) = count;
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}
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uint32_t timer_get_counter(uint32_t timer_peripheral)
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{
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return TIMER_TC(timer_peripheral);
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}
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uint32_t timer_get_prescaler(uint32_t timer_peripheral)
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{
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return TIMER_PR(timer_peripheral);
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}
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void timer_set_prescaler(uint32_t timer_peripheral, uint32_t prescaler)
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{
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TIMER_PR(timer_peripheral) = prescaler;
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}
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void timer_set_mode(uint32_t timer_peripheral, uint32_t mode)
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{
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TIMER_CTCR(timer_peripheral) = mode |
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(TIMER_CTCR(timer_peripheral) & TIMER_CTCR_MODE_MASK);
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}
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void timer_set_count_input(uint32_t timer_peripheral, uint32_t input)
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{
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TIMER_CTCR(timer_peripheral) = input |
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(TIMER_CTCR(timer_peripheral) & TIMER_CTCR_CINSEL_MASK);
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}
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