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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Ben Gamari <bgamari@physics.umass.edu>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* This provides the code for the "next gen" EXTI block provided in F2/F4/L1
* devices. (differences only in the source selection)
*/
#include <libopencm3/lpc43xx/timer.h>
void timer_reset(uint32_t timer_peripheral)
{
TIMER_TCR(timer_peripheral) |= TIMER_TCR_CRST;
TIMER_TCR(timer_peripheral) &= ~TIMER_TCR_CRST;
}
void timer_enable_counter(uint32_t timer_peripheral)
{
TIMER_TCR(timer_peripheral) |= TIMER_TCR_CEN;
}
void timer_disable_counter(uint32_t timer_peripheral)
{
TIMER_TCR(timer_peripheral) &= ~TIMER_TCR_CEN;
}
void timer_set_counter(uint32_t timer_peripheral, uint32_t count)
{
TIMER_TC(timer_peripheral) = count;
}
uint32_t timer_get_counter(uint32_t timer_peripheral)
{
return TIMER_TC(timer_peripheral);
}
uint32_t timer_get_prescaler(uint32_t timer_peripheral)
{
return TIMER_PR(timer_peripheral);
}
void timer_set_prescaler(uint32_t timer_peripheral, uint32_t prescaler)
{
TIMER_PR(timer_peripheral) = prescaler;
}
void timer_set_mode(uint32_t timer_peripheral, uint32_t mode)
{
TIMER_CTCR(timer_peripheral) = mode |
(TIMER_CTCR(timer_peripheral) & TIMER_CTCR_MODE_MASK);
}
void timer_set_count_input(uint32_t timer_peripheral, uint32_t input)
{
TIMER_CTCR(timer_peripheral) = input |
(TIMER_CTCR(timer_peripheral) & TIMER_CTCR_CINSEL_MASK);
}
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