98 lines
3.8 KiB
C
98 lines
3.8 KiB
C
/**
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* Copyright (c) 2020, Nordic Semiconductor ASA
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*
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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 modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef NRF21540_GPIO_H_
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#define NRF21540_GPIO_H_
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#include "nrf_gpio.h"
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#include "nrf21540_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**@brief Function initializes GPIO interface.
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*/
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void nrf21540_gpio_init(void);
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/**@brief Function choses one of two physical antenna outputs.
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*
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* @param[in] antenna one of antenna outputs. See @ref nrf21540_antenna_t.
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* @return NRF_ERROR_INVALID_PARAM when invalid argument given.
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* NRF_SUCCESS on success.
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*/
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ret_code_t nrf21540_gpio_ant_set(nrf21540_antenna_t antenna);
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#if NRF21540_USE_GPIO_MANAGEMENT
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/**@brief Function returns address of task which triggers RX_EN/TX_EN pin
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* to set nRF21540 radio trasfer direction.
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*
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* @param[in] dir Direction of the radio transmission. See @ref nrf21540_trx_t.
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* @param[in] required_state State of RX/TX transfer. See @ref nrf21540_bool_state_t.
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* @return Address of appropriate task.
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*/
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uint32_t nrf21540_gpio_trx_task_start_address_get(nrf21540_trx_t dir,
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nrf21540_bool_state_t required_state);
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/**@brief Function configures the chip and peripherals for TX/RX transfer purpose.
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*
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* @details enables/disables RX/TX transfers.
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*
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* @param[in] dir direction of radio transfer. See @ref nrf21540_trx_t.
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*/
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void nrf21540_gpio_trx_enable(nrf21540_trx_t dir);
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/**@brief Function choses one of two predefined power modes in nRF21540.
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*
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* @details Refer to nRF21540 Objective Product Specification, section: TX power control.
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*
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* @param[in] mode Power mode. See @ref nrf21540_pwr_mode_t.
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* @return NRF_ERROR_INVALID_PARAM when invalid argument given.
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* NRF_SUCCESS on success.
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*/
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ret_code_t nrf21540_gpio_pwr_mode_set(nrf21540_pwr_mode_t mode);
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#endif /*NRF21540_USE_GPIO_MANAGEMENT*/
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#ifdef __cplusplus
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}
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#endif
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#endif // NRF21540_GPIO_H_
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