70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
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* Copyright (C) 2012 Benjamin Vernoux <titanmkd@gmail.com>
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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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#include <libopencm3/lpc43xx/systick.h>
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void systick_set_reload(u32 value)
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{
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STK_LOAD = (value & 0x00FFFFFF);
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}
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u32 systick_get_value(void)
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{
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return STK_VAL;
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}
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void systick_set_clocksource(u8 clocksource)
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{
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STK_CTRL |= clocksource;
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}
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void systick_interrupt_enable(void)
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{
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STK_CTRL |= STK_CTRL_TICKINT;
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}
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void systick_interrupt_disable(void)
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{
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STK_CTRL &= ~STK_CTRL_TICKINT;
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}
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void systick_counter_enable(void)
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{
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STK_CTRL |= STK_CTRL_ENABLE;
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}
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void systick_counter_disable(void)
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{
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STK_CTRL &= ~STK_CTRL_ENABLE;
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}
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u8 systick_get_countflag(void)
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{
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if (STK_CTRL & STK_CTRL_COUNTFLAG)
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return 1;
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else
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return 0;
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}
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u32 systick_get_calib(void)
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{
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return (STK_CALIB&0x00FFFFFF);
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}
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