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71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
/*
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* Copyright (C) 2021 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup boards_nucleo-wl55jc
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* @{
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*
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* @file board.c
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* @brief Board specific implementations for the Nucleo-wl55jc board
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*
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*
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* @author Akshai M <akshai.m@fu-berlin.de>
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*
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* @}
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*/
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#include <stdio.h>
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#include "board.h"
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#include "periph/gpio.h"
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void board_init(void)
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{
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if (IS_USED(MODULE_SX126X_STM32WL)) {
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/* Initialize the GPIO control for RF 3-port switch (SP3T) */
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gpio_init(FE_CTRL1, GPIO_OUT);
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gpio_init(FE_CTRL2, GPIO_OUT);
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gpio_init(FE_CTRL3, GPIO_OUT);
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}
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}
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/**
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* @brief Callback to set RF switch mode
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*
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* This function sets the GPIO's wired to the SP3T RF Switch. Nucleo-WL55JC
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* supports three modes of operation.
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*/
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#if IS_USED(MODULE_SX126X_STM32WL)
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void nucleo_wl55jc_sx126x_set_rf_mode(sx126x_t *dev, sx126x_rf_mode_t rf_mode)
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{
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(void)dev;
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switch (rf_mode) {
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case SX126X_RF_MODE_RX:
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gpio_set(FE_CTRL1);
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gpio_clear(FE_CTRL2);
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gpio_set(FE_CTRL3);
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break;
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case SX126X_RF_MODE_TX_LPA:
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gpio_set(FE_CTRL1);
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gpio_set(FE_CTRL2);
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gpio_set(FE_CTRL3);
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break;
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case SX126X_RF_MODE_TX_HPA:
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gpio_clear(FE_CTRL1);
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gpio_set(FE_CTRL2);
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gpio_set(FE_CTRL3);
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break;
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default:
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break;
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}
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}
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#endif
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