112 lines
3.6 KiB
C
112 lines
3.6 KiB
C
/*
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* Copyright (c) 2015, Zolertia - http://www.zolertia.com
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* Copyright (c) 2015, University of Bristol - http://www.bristol.ac.uk
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup remote
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* @{
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*
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* \defgroup remote-leds Re-Mote LED driver
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*
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* LED driver implementation for the Re-Mote platform
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* @{
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*
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* \file
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* LED driver implementation for the Re-Mote platform
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*/
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#include "contiki.h"
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#include "reg.h"
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#include "dev/leds.h"
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#include "dev/gpio.h"
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/*---------------------------------------------------------------------------*/
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#define LED_GREEN_PORT GPIO_D_BASE
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#define LED_GREEN_PIN (1 << 5)
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#define LED_BLUE_PORT GPIO_C_BASE
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#define LED_BLUE_PIN (1 << 3)
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#define LED_RED_PORT GPIO_D_BASE
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#define LED_RED_PIN (1 << 2)
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#define PORT_D_LEDS (LED_RED_PIN | LED_GREEN_PIN)
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#define PORT_C_LEDS LED_BLUE_PIN
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/*---------------------------------------------------------------------------*/
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void
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leds_arch_init(void)
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{
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/* Initialize LED1 (Red) and LED3 (Green) */
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GPIO_SET_OUTPUT(GPIO_D_BASE, PORT_D_LEDS);
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GPIO_SET_PIN(GPIO_D_BASE, PORT_D_LEDS);
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/* Initialize LED2 - Blue */
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GPIO_SET_OUTPUT(GPIO_C_BASE, PORT_C_LEDS);
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GPIO_SET_PIN(GPIO_C_BASE, PORT_C_LEDS);
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}
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/*---------------------------------------------------------------------------*/
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unsigned char
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leds_arch_get(void)
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{
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uint8_t mask_leds;
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mask_leds = GPIO_READ_PIN(LED_GREEN_PORT, LED_GREEN_PIN) == 0? LEDS_GREEN : 0;
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mask_leds |= GPIO_READ_PIN(LED_BLUE_PORT, LED_BLUE_PIN) == 0? LEDS_BLUE : 0;
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mask_leds |= GPIO_READ_PIN(LED_RED_PORT, LED_RED_PIN) == 0? LEDS_RED : 0;
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return mask_leds;
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}
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/*---------------------------------------------------------------------------*/
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void
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leds_arch_set(unsigned char leds)
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{
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if(leds & LEDS_GREEN) {
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GPIO_CLR_PIN(LED_GREEN_PORT, LED_GREEN_PIN);
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} else {
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GPIO_SET_PIN(LED_GREEN_PORT, LED_GREEN_PIN);
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}
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if(leds & LEDS_BLUE) {
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GPIO_CLR_PIN(LED_BLUE_PORT, LED_BLUE_PIN);
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} else {
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GPIO_SET_PIN(LED_BLUE_PORT, LED_BLUE_PIN);
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}
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if(leds & LEDS_RED) {
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GPIO_CLR_PIN(LED_RED_PORT, LED_RED_PIN);
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} else {
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GPIO_SET_PIN(LED_RED_PORT, LED_RED_PIN);
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}
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}
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/*---------------------------------------------------------------------------*/
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/**
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* @}
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* @}
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*/
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