portapack-mayhem/firmware/application/irq_rtc.cpp

54 lines
1.4 KiB
C++
Raw Normal View History

/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "irq_rtc.hpp"
#include "ch.h"
#include "lpc43xx_cpp.hpp"
using namespace lpc43xx;
#include "event_m0.hpp"
static Thread* thread_rtc_event = NULL;
void rtc_interrupt_enable() {
thread_rtc_event = chThdSelf();
rtc::interrupt::enable_second_inc();
nvicEnableVector(RTC_IRQn, CORTEX_PRIORITY_MASK(LPC_RTC_IRQ_PRIORITY));
}
extern "C" {
CH_IRQ_HANDLER(RTC_IRQHandler) {
CH_IRQ_PROLOGUE();
chSysLockFromIsr();
chEvtSignalI(thread_rtc_event, EVT_MASK_RTC_TICK);
chSysUnlockFromIsr();
rtc::interrupt::clear_all();
CH_IRQ_EPILOGUE();
}
}