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Implement master interrupt manipulation (MSP430)

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This commit is contained in:
George Oikonomou 2017-11-22 23:14:43 +00:00
parent 98664e99ee
commit 9396b6da6e
3 changed files with 71 additions and 1 deletions
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2
arch/cpu/msp430/Makefile.msp430
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@ -37,7 +37,7 @@ endif
CONTIKI_CPU_DIRS = $(CONTIKI_CPU_FAM_DIR) . dev
MSP430 = msp430.c flash.c clock.c leds.c leds-arch.c \
watchdog.c lpm.c rtimer-arch.c
watchdog.c lpm.c rtimer-arch.c int-master.c
UIPDRIVERS = slip.c crc16.c
CONTIKI_TARGET_SOURCEFILES += $(MSP430) \

67
arch/cpu/msp430/int-master.c Normal file
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@ -0,0 +1,67 @@
/*
* Copyright (c) 2017, George Oikonomou - http://www.spd.gr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*---------------------------------------------------------------------------*/
/**
* \file
* Master interrupt manipulation implementation for the MSP430
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "sys/int-master.h"
#include <stdbool.h>
/*---------------------------------------------------------------------------*/
void
int_master_enable(void)
{
eint();
}
/*---------------------------------------------------------------------------*/
int_master_status_t
int_master_read_and_disable(void)
{
__istate_t status = __get_interrupt_state();
dint();
return status;
}
/*---------------------------------------------------------------------------*/
void
int_master_status_set(int_master_status_t status)
{
__set_interrupt_state(status);
}
/*---------------------------------------------------------------------------*/
bool
int_master_is_enabled(void)
{
return __get_interrupt_state() & GIE ? true : false;
}
/*---------------------------------------------------------------------------*/

3
arch/cpu/msp430/msp430-def.h
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@ -56,6 +56,9 @@
#endif /* __IAR_SYSTEMS_ICC__ */
/* Master interrupt state representation data type */
#define INT_MASTER_CONF_STATUS_DATATYPE __istate_t
#ifndef BV
#define BV(x) (1 << x)
#endif