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106 lines
2.4 KiB
C
106 lines
2.4 KiB
C
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/*
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* Copyright (C) 2019 Otto-von-Guericke-Universität Magdeburg
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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 drivers_nrf24l01p_ng
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* @{
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*
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* @file
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* @brief Constants from the datasheet of the NRF24L01+ (NG) transceiver
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*
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* @author Fabian Hüßler <fabian.huessler@ovgu.de>
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*/
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#ifndef NRF24L01P_NG_CONSTANTS_H
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#define NRF24L01P_NG_CONSTANTS_H
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#include "nrf24l01p_ng.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Maximum width of a payload, restricted by
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* a FIFO size of 32 bytes
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*/
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#define NRF24L01P_NG_MAX_PAYLOAD_WIDTH (32)
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/**
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* @brief Maximum number of retransmissions, if
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* ESB is used as protocol
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*/
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#define NRF24L01P_NG_MAX_RETRANSMISSIONS (15)
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/**
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* @brief Base frequency
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*/
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#define NRF24L01P_NG_BASE_FRQ_MHZ (2400)
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/**
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* @brief Maximum supported frequency
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*/
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#define NRF24L01P_NG_MAX_FRQ_MHZ (2525)
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/**
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* @brief Number of supported channels
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*
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* frequency range: 2400 - 2525 Mhz
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* occupied bandwidth for each channel:
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* 250 kbps: < 1Mhz
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* 1000 kbps: < 1Mhz
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* 2000 kbps: < 2Mhz
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*
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* -> spaces between each channel´s
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* base frequency must be at least
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* 2 Mhz, to be sufficient for all
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* data rates.
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*/
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#define NRF24L01P_NG_NUM_CHANNELS (NRF24L01P_NG_MAX_FRQ_MHZ - \
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NRF24L01P_NG_BASE_FRQ_MHZ)
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/**
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* @brief Reset value of TX_ADDR register
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*/
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#define NRF24L01P_NG_DEFAULT_TX_ADDR { 0xE7, 0xE7, 0xE7, 0xE7, 0xE7 }
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/**
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* @brief Reset value of RX_ADDR_P0 register
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*/
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#define NRF24L01P_NG_DEFAULT_ADDR_P0 { 0xE7, 0xE7, 0xE7, 0xE7, 0xE7 }
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/**
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* @brief Reset value of RX_ADDR_P1 register
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*/
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#define NRF24L01P_NG_DEFAULT_ADDR_P1 { 0xC2, 0xC2, 0xC2, 0xC2, 0xC2 }
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/**
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* @brief Reset value of RX_ADDR_P2 register
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*/
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#define NRF24L01P_NG_DEFAULT_ADDR_P2 (0xC3)
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/**
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* @brief Reset value of RX_ADDR_P3 register
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*/
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#define NRF24L01P_NG_DEFAULT_ADDR_P3 (0xC4)
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/**
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* @brief Reset value of RX_ADDR_P4 register
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*/
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#define NRF24L01P_NG_DEFAULT_ADDR_P4 (0xC5)
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/**
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* @brief Reset value of RX_ADDR_P5 register
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*/
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#define NRF24L01P_NG_DEFAULT_ADDR_P5 (0xC6)
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#ifdef __cplusplus
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}
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#endif
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#endif /* NRF24L01P_NG_CONSTANTS_H */
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/** @} */
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