nes-proj/platform/seedeye/dev/leds-arch.c

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/*
* Contiki PIC32 Port project
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*
* Copyright (c) 2012,
* Scuola Superiore Sant'Anna (http://www.sssup.it) and
* Consorzio Nazionale Interuniversitario per le Telecomunicazioni
* (http://www.cnit.it).
*
* All rights reserved.
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*
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
*
*/
/**
* \addtogroup SeedEye Contiki SEEDEYE Platform
*
* @{
*/
/**
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* \file platform/seedeye/dev/leds-arch.c
* \brief LEDs Specific Arch Conf
* \author Giovanni Pellerano <giovanni.pellerano@evilaliv3.org>
* \date 2012-03-21
*/
#include "contiki-conf.h"
#include "dev/leds.h"
#include "p32xxxx.h"
/*
* IPM2 has 2 red LEDs, LED1 is mapped to the Contiki
* LEDS_RED and LED2 is mapped to LEDS_GREEN.
*/
#define LEDS_CONF_GREEN 0x04
#define LEDS_CONF_RED 0x08
#define SEEDEYE_BOARD_V2_CAT3(x,y,z) x ## y ## z
/* NOTE: Led0 works in a negated logic. */
#define led_0_on (LATCCLR = LEDS_CONF_RED)
#define led_0_off (LATCSET = LEDS_CONF_RED)
#define led_0_toggle (LATCINV = LEDS_CONF_RED)
#define led_1_on (LATCSET = LEDS_CONF_GREEN)
#define led_1_off (LATCCLR = LEDS_CONF_GREEN)
#define led_1_toggle (LATCINV = LEDS_CONF_GREEN)
#define led_on(n) SEEDEYE_BOARD_V2_CAT3(led_,n,_on)
#define led_off(n) SEEDEYE_BOARD_V2_CAT3(led_,n,_off)
#define led_toggle(n) SEEDEYE_BOARD_V2_CAT3(led_,n,_toggle)
/*---------------------------------------------------------------------------*/
void
leds_arch_init(void)
{
TRISCCLR = 0x0C;
led_0_off;
led_1_off;
}
/*---------------------------------------------------------------------------*/
unsigned char
leds_arch_get(void)
{
return (PORTC & LEDS_CONF_RED ? 0 : LEDS_RED) | (~PORTC & LEDS_CONF_GREEN ? 0 : LEDS_GREEN);
}
/*---------------------------------------------------------------------------*/
void
leds_arch_set(unsigned char leds)
{
if(leds & LEDS_RED) {
led_0_on;
} else {
led_0_off;
}
if(leds & LEDS_GREEN) {
led_1_on;
} else {
led_1_off;
}
}
/*---------------------------------------------------------------------------*/
/** @} */