/* * Copyright (C) 2014 Freie Universität Berlin * * 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 boards_samr21-xpro * @{ * * @file * @brief Board specific implementations for the Atmel SAM R21 Xplained * Pro board * * @author Thomas Eichinger * @author Hauke Petersen * * @} */ #include "board.h" #include "periph/gpio.h" void board_antenna_config(uint8_t antenna) { if (antenna == RFCTL_ANTENNA_EXT){ gpio_set(RFCTL1_PIN); gpio_clear(RFCTL2_PIN); } else if (antenna == RFCTL_ANTENNA_BOARD){ gpio_clear(RFCTL1_PIN); gpio_set(RFCTL2_PIN); } } void board_init(void) { /* initialize the on-board antenna switch */ if (IS_USED(MODULE_AT86RF233)) { gpio_init(RFCTL1_PIN, GPIO_OUT); gpio_init(RFCTL2_PIN, GPIO_OUT); /* set default antenna switch configuration */ board_antenna_config(RFCTL_ANTENNA_DEFAULT); } }