nes-proj/drivers/platform/zoul/remote-revb/leds-res-arch.c

104 lines
3.7 KiB
C

/*
* Copyright (c) 2015, Zolertia - http://www.zolertia.com
* Copyright (c) 2015, University of Bristol - http://www.bristol.ac.uk
* 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.
*/
/**
* \addtogroup zoul
* @{
*
* \defgroup remote-revb-leds RE-Mote revision B arch LED
*
* LED driver implementation for the RE-Mote revision B
* @{
*
* \file
* LED driver implementation for the RE-Mote revision B
*/
#include "contiki.h"
#include "reg.h"
#include "dev/leds.h"
#include "dev/gpio.h"
#include "dev/ioc.h"
/*---------------------------------------------------------------------------*/
#define LEDS_PORTB_PIN_MASK (LEDS_GREEN_PIN_MASK | LEDS_BLUE_PIN_MASK)
/*---------------------------------------------------------------------------*/
void
leds_arch_init(void)
{
/* Initialize LED2 (Green) and LED3 (Blue) */
GPIO_SOFTWARE_CONTROL(GPIO_B_BASE, LEDS_PORTB_PIN_MASK);
GPIO_SET_OUTPUT(GPIO_B_BASE, LEDS_PORTB_PIN_MASK);
GPIO_CLR_PIN(GPIO_B_BASE, LEDS_PORTB_PIN_MASK);
/* Initialize LED1 (Red) */
GPIO_SOFTWARE_CONTROL(LEDS_RED_PORT_BASE, LEDS_RED_PIN_MASK);
GPIO_SET_OUTPUT(LEDS_RED_PORT_BASE, LEDS_RED_PIN_MASK);
GPIO_CLR_PIN(LEDS_RED_PORT_BASE, LEDS_RED_PIN_MASK);
}
/*---------------------------------------------------------------------------*/
unsigned char
leds_arch_get(void)
{
uint8_t mask_leds;
mask_leds = GPIO_READ_PIN(LEDS_GREEN_PORT_BASE, LEDS_GREEN_PIN_MASK) == 0 ? 0: LEDS_GREEN;
mask_leds |= GPIO_READ_PIN(LEDS_BLUE_PORT_BASE, LEDS_BLUE_PIN_MASK) == 0 ? 0 : LEDS_BLUE;
mask_leds |= GPIO_READ_PIN(LEDS_RED_PORT_BASE, LEDS_RED_PIN_MASK) == 0 ? 0 : LEDS_RED;
return mask_leds;
}
/*---------------------------------------------------------------------------*/
void
leds_arch_set(unsigned char leds)
{
if(leds & LEDS_GREEN) {
GPIO_SET_PIN(LEDS_GREEN_PORT_BASE, LEDS_GREEN_PIN_MASK);
} else {
GPIO_CLR_PIN(LEDS_GREEN_PORT_BASE, LEDS_GREEN_PIN_MASK);
}
if(leds & LEDS_BLUE) {
GPIO_SET_PIN(LEDS_BLUE_PORT_BASE, LEDS_BLUE_PIN_MASK);
} else {
GPIO_CLR_PIN(LEDS_BLUE_PORT_BASE, LEDS_BLUE_PIN_MASK);
}
if(leds & LEDS_RED) {
GPIO_SET_PIN(LEDS_RED_PORT_BASE, LEDS_RED_PIN_MASK);
} else {
GPIO_CLR_PIN(LEDS_RED_PORT_BASE, LEDS_RED_PIN_MASK);
}
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/