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sx1276reg.h
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/*
Copyright (c) 2015 Andrew McDonnell <bugs@andrewmcdonnell.net>
This file is part of SentriFarm Radio Relay.
SentriFarm Radio Relay is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
SentriFarm Radio Relay is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SentriFarm Radio Relay. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SX1276REG_H__
#define SX1276REG_H__
// The following register naming convention follows SX1276 Datasheet chapter 6
#define SX1276REG_Fifo 0x00
#define SX1276REG_OpMode 0x01
#define SX1276REG_FrfMsb 0x06
#define SX1276REG_FrfMid 0x07
#define SX1276REG_FrfLsb 0x08
#define SX1276REG_PaConfig 0x09
#define SX1276REG_PaRamp 0x0A
#define SX1276REG_Ocp 0x0B
#define SX1276REG_Lna 0x0C
#define SX1276REG_FifoAddrPtr 0x0D
#define SX1276REG_FifoTxBaseAddr 0x0E
#define SX1276REG_FifoRxBaseAddr 0x0F
#define SX1276REG_FifoRxCurrentAddr 0x10
#define SX1276REG_IrqFlagsMask 0x11
#define SX1276REG_IrqFlags 0x12
#define SX1276REG_FifoRxNbBytes 0x13
#define SX1276REG_RxHeaderCntValueMsb 0x14
#define SX1276REG_RxHeaderCntValueLsb 0x15
#define SX1276REG_RxPacketCntValueMsb 0x16 // ERRATA - non-functional in single mode
#define SX1276REG_RxPacketCntValueLsb 0x17 // ERRATA - non-functional in single mode
#define SX1276REG_ModemStat 0x18
#define SX1276REG_PacketSnr 0x19
#define SX1276REG_PacketRssi 0x1A
#define SX1276REG_Rssi 0x1B
#define SX1276REG_ModemConfig1 0x1D
#define SX1276REG_ModemConfig2 0x1E
#define SX1276REG_SymbTimeoutLsb 0x1F
#define SX1276REG_PreambleMSB 0x20
#define SX1276REG_PreambleLSB 0x21
#define SX1276REG_PayloadLength 0x22
#define SX1276REG_MaxPayloadLength 0x23
#define SX1276REG_FifoRxByteAddrPtr 0x25
#define SX1276REG_RegSeqConfig1 0x36 // BW500 errata
#define SX1276REG_RegSeqConfig2 0x37
#define SX1276REG_RegTimer2Coef 0x3A // BW500 errata
#define SX1276REG_DioMapping1 0x40
#define SX1276REG_DioMapping2 0x41
#define SX1276REG_Version 0x42
#define SX1276REG_PaDac 0x4D
// Bandwidth settings, for bits 4-7 of ModemConfig1
#define SX1276_LORA_CODING_RATE_4_5 0x01
#define SX1276_LORA_CODING_RATE_4_6 0x02
#define SX1276_LORA_CODING_RATE_4_7 0x03
#define SX1276_LORA_CODING_RATE_4_8 0x04
#define SX1276_LORA_BW_7800 0x0
#define SX1276_LORA_BW_10400 0x1
#define SX1276_LORA_BW_15600 0x2
#define SX1276_LORA_BW_20800 0x3
#define SX1276_LORA_BW_31250 0x4
#define SX1276_LORA_BW_41700 0x5
#define SX1276_LORA_BW_62500 0x6
#define SX1276_LORA_BW_125000 0x7
#define SX1276_LORA_BW_250000 0x8
#define SX1276_LORA_BW_500000 0x9
#define SX1276_LORA_BW_MIN 0
#define SX1276_LORA_BW_MAX 9
#define SX1276_LORA_LNA_GAIN_G1 0x1 // highest gain
#define SX1276_LORA_LNA_GAIN_G2 0x2 // highest gain - 6dB
#define SX1276_LORA_LNA_GAIN_G3 0x3 // highest gain - 12dB
#define SX1276_LORA_LNA_GAIN_G4 0x4 // highest gain - 24dB
#define SX1276_LORA_LNA_GAIN_G5 0x5 // highest gain - 36dB
#define SX1276_LORA_LNA_GAIN_G6 0x6 // highest gain - 48dB
#define SX1276_SF_64_CHIPS_PER_SYMBOL 6 // fastest rate - also has special handing, see page 27 of datasheet
#define SX1276_SF_128_CHIPS_PER_SYMBOL 7
#define SX1276_SF_256_CHIPS_PER_SYMBOL 8
#define SX1276_SF_512_CHIPS_PER_SYMBOL 9
#define SX1276_SF_1024_CHIPS_PER_SYMBOL 10
#define SX1276_SF_2048_CHIPS_PER_SYMBOL 11
#define SX1276_SF_4096_CHIPS_PER_SYMBOL 12
#define SX1276_MIN_SPREADING_FACTOR 6
#define SX1276_MAX_SPREADING_FACTOR 12
#define SX1276_BITSHIFT_TX_CONTINUOUS_MODE 3
#define SX1276_BITSHIFT_RX_PAYLOAD_CRC_ON 2
#define SX1276_SPI_WRITE_MASK 0x80
#define SX1276_OPMODE_SLEEP 0x80
#define SX1276_OPMODE_STANDBY 0x81
#define SX1276_OPMODE_TX 0x83
#define SX1276_OPMODE_RXSINGLE 0x86
#endif