/* * 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 remote * @{ * * \defgroup remote-leds Re-Mote LED driver * * LED driver implementation for the Re-Mote platform * @{ * * \file * LED driver implementation for the Re-Mote platform */ #include "contiki.h" #include "reg.h" #include "dev/leds.h" #include "dev/gpio.h" /*---------------------------------------------------------------------------*/ #define LED_GREEN_PORT GPIO_D_BASE #define LED_GREEN_PIN (1 << 5) #define LED_BLUE_PORT GPIO_C_BASE #define LED_BLUE_PIN (1 << 3) #define LED_RED_PORT GPIO_D_BASE #define LED_RED_PIN (1 << 2) #define PORT_D_LEDS (LED_RED_PIN | LED_GREEN_PIN) #define PORT_C_LEDS LED_BLUE_PIN /*---------------------------------------------------------------------------*/ void leds_arch_init(void) { /* Initialize LED1 (Red) and LED3 (Green) */ GPIO_SET_OUTPUT(GPIO_D_BASE, PORT_D_LEDS); GPIO_SET_PIN(GPIO_D_BASE, PORT_D_LEDS); /* Initialize LED2 - Blue */ GPIO_SET_OUTPUT(GPIO_C_BASE, PORT_C_LEDS); GPIO_SET_PIN(GPIO_C_BASE, PORT_C_LEDS); } /*---------------------------------------------------------------------------*/ unsigned char leds_arch_get(void) { uint8_t mask_leds; mask_leds = GPIO_READ_PIN(LED_GREEN_PORT, LED_GREEN_PIN) == 0? LEDS_GREEN : 0; mask_leds |= GPIO_READ_PIN(LED_BLUE_PORT, LED_BLUE_PIN) == 0? LEDS_BLUE : 0; mask_leds |= GPIO_READ_PIN(LED_RED_PORT, LED_RED_PIN) == 0? LEDS_RED : 0; return mask_leds; } /*---------------------------------------------------------------------------*/ void leds_arch_set(unsigned char leds) { if(leds & LEDS_GREEN) { GPIO_CLR_PIN(LED_GREEN_PORT, LED_GREEN_PIN); } else { GPIO_SET_PIN(LED_GREEN_PORT, LED_GREEN_PIN); } if(leds & LEDS_BLUE) { GPIO_CLR_PIN(LED_BLUE_PORT, LED_BLUE_PIN); } else { GPIO_SET_PIN(LED_BLUE_PORT, LED_BLUE_PIN); } if(leds & LEDS_RED) { GPIO_CLR_PIN(LED_RED_PORT, LED_RED_PIN); } else { GPIO_SET_PIN(LED_RED_PORT, LED_RED_PIN); } } /*---------------------------------------------------------------------------*/ /** * @} * @} */