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/*
* Copyright (C) 2014 Freie Universitรคt Berlin
* Copyright (C) 2015 Zolertia SL
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup board_remote
* @{
*
* @file
* @brief Board specific implementations for the Re-Mote board
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* Antonio Lignan <alinan@zolertia.com>
*
* @}
*/
#include "board.h"
#include "cpu.h"
#include "fancy_leds.h"
static inline void rf_switch_init(void);
void board_init(void)
{
/* initialize the boards LEDs */
gpio_init(LED0_PIN, GPIO_OUT);
gpio_init(LED1_PIN, GPIO_OUT);
gpio_init(LED2_PIN, GPIO_OUT);
/* initialize the CPU */
cpu_init();
/* initialize the 2.4GHz RF switch */
rf_switch_init();
/* Shoot rainbows */
LED_RAINBOW();
}
/**
* @brief Initialize the 2.4GHz Radio Frequency SW-controlled Switch
*
* The Re-Mote features an on-board RF switch to programatically select to
* enable either the internal ceramic antenna, or an external antenna over an
* uFL connector. As default we prefer to use the internal one.
*
*/
static void rf_switch_init(void)
{
/* set pins to be controlled by software */
RF_SWITCH_PORT->AFSEL &= ~(1 << RF_SWITCH_PIN);
/* configure pins as output */
RF_SWITCH_PORT->DIR |= (1 << RF_SWITCH_PIN);
/* configure io-mux for used pins */
IOC->PC_OVER[RF_SWITCH_PIN] = IOC_OVERRIDE_OE;
/* Set to default */
RF_SWITCH_INTERNAL;
}
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