rit.h

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/* This file is part of rflpc. Copyright 2010-2011 Michael Hauspie
 *
 * rflpc 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 3 of the License, or
 * (at your option) any later version.
 *
 * rflpc 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 rflpc.  If not, see <http://www.gnu.org/licenses/>.
 */
/*
    Author: Michael Hauspie <michael.hauspie@univ-lille1.fr>
    Created:
    Time-stamp: <2012-03-21 09:21:01 (hauspie)>

  This files defines the driver for the Repetitive Interrupt Timer (user manual, p. 501)
 */

#ifndef __RFLPC_RIT_H__
#define __RFLPC_RIT_H__

#ifdef RFLPC_CONFIG_ENABLE_RIT_TIMER

#include "../nxp/LPC17xx.h"
#include "../interrupt.h"

static inline void rflpc_rit_enable()
{
    LPC_SC->PCONP |= (1UL << 16);
}

static inline uint32_t rflpc_rit_get_counter_value() { return LPC_RIT->RICOUNTER; }

static inline void rflpc_rit_set_counter_value(uint32_t value) { LPC_RIT->RICOUNTER = value; }

static inline void rflpc_rit_clear_pending_interrupt() { LPC_RIT->RICTRL |= 1; }

extern void rflpc_rit_set_callback(uint32_t comp_value, uint32_t mask, int reset_on_match,  rflpc_irq_handler_t c);

#endif /* ENABLE_RIT_TIMER */

#endif