us915 ch 9 20dbm
Dependents: DISCO-L072CZ-LRWAN1_LoRa_PingPong
Fork of SX1276GenericLib by
sx1276/sx1276.cpp@88:046f3d90443e, 2017-08-29 (annotated)
- Committer:
- rgilson
- Date:
- Tue Aug 29 14:18:38 2017 +0000
- Revision:
- 88:046f3d90443e
- Parent:
- 83:019da451b283
added US_915 channel 9 for use and 20dbm
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
GregCr | 0:e6ceb13d2d05 | 1 | /* |
GregCr | 0:e6ceb13d2d05 | 2 | / _____) _ | | |
GregCr | 0:e6ceb13d2d05 | 3 | ( (____ _____ ____ _| |_ _____ ____| |__ |
GregCr | 0:e6ceb13d2d05 | 4 | \____ \| ___ | (_ _) ___ |/ ___) _ \ |
GregCr | 0:e6ceb13d2d05 | 5 | _____) ) ____| | | || |_| ____( (___| | | | |
GregCr | 0:e6ceb13d2d05 | 6 | (______/|_____)_|_|_| \__)_____)\____)_| |_| |
mluis | 22:7f3aab69cca9 | 7 | (C) 2014 Semtech |
GregCr | 0:e6ceb13d2d05 | 8 | |
GregCr | 0:e6ceb13d2d05 | 9 | Description: Actual implementation of a SX1276 radio, inherits Radio |
GregCr | 0:e6ceb13d2d05 | 10 | |
GregCr | 0:e6ceb13d2d05 | 11 | License: Revised BSD License, see LICENSE.TXT file include in the project |
GregCr | 0:e6ceb13d2d05 | 12 | |
GregCr | 0:e6ceb13d2d05 | 13 | Maintainers: Miguel Luis, Gregory Cristian and Nicolas Huguenin |
GregCr | 0:e6ceb13d2d05 | 14 | */ |
Helmut Tschemernjak | 34:07e89f23c734 | 15 | |
Helmut Tschemernjak | 34:07e89f23c734 | 16 | /* |
Helmut Tschemernjak | 38:d9189d958db8 | 17 | * additional development to make it more generic across multiple OS versions |
Helmut Tschemernjak | 34:07e89f23c734 | 18 | * (c) 2017 Helmut Tschemernjak |
Helmut Tschemernjak | 34:07e89f23c734 | 19 | * 30826 Garbsen (Hannover) Germany |
Helmut Tschemernjak | 34:07e89f23c734 | 20 | */ |
Helmut Tschemernjak | 34:07e89f23c734 | 21 | |
GregCr | 0:e6ceb13d2d05 | 22 | #include "sx1276.h" |
GregCr | 0:e6ceb13d2d05 | 23 | |
Helmut Tschemernjak | 38:d9189d958db8 | 24 | |
Helmut Tschemernjak | 38:d9189d958db8 | 25 | |
Helmut Tschemernjak | 55:00c1f5b83920 | 26 | const SX1276::BandwidthMap SX1276::FskBandwidths[] = |
Helmut Tschemernjak | 31:e50929bd3f32 | 27 | { |
GregCr | 0:e6ceb13d2d05 | 28 | { 2600 , 0x17 }, |
GregCr | 0:e6ceb13d2d05 | 29 | { 3100 , 0x0F }, |
GregCr | 0:e6ceb13d2d05 | 30 | { 3900 , 0x07 }, |
GregCr | 0:e6ceb13d2d05 | 31 | { 5200 , 0x16 }, |
GregCr | 0:e6ceb13d2d05 | 32 | { 6300 , 0x0E }, |
GregCr | 0:e6ceb13d2d05 | 33 | { 7800 , 0x06 }, |
GregCr | 0:e6ceb13d2d05 | 34 | { 10400 , 0x15 }, |
GregCr | 0:e6ceb13d2d05 | 35 | { 12500 , 0x0D }, |
GregCr | 0:e6ceb13d2d05 | 36 | { 15600 , 0x05 }, |
GregCr | 0:e6ceb13d2d05 | 37 | { 20800 , 0x14 }, |
GregCr | 0:e6ceb13d2d05 | 38 | { 25000 , 0x0C }, |
GregCr | 0:e6ceb13d2d05 | 39 | { 31300 , 0x04 }, |
GregCr | 0:e6ceb13d2d05 | 40 | { 41700 , 0x13 }, |
GregCr | 0:e6ceb13d2d05 | 41 | { 50000 , 0x0B }, |
GregCr | 0:e6ceb13d2d05 | 42 | { 62500 , 0x03 }, |
GregCr | 0:e6ceb13d2d05 | 43 | { 83333 , 0x12 }, |
GregCr | 0:e6ceb13d2d05 | 44 | { 100000, 0x0A }, |
GregCr | 0:e6ceb13d2d05 | 45 | { 125000, 0x02 }, |
GregCr | 0:e6ceb13d2d05 | 46 | { 166700, 0x11 }, |
GregCr | 0:e6ceb13d2d05 | 47 | { 200000, 0x09 }, |
mluis | 15:04374b1c33fa | 48 | { 250000, 0x01 }, |
Helmut Tschemernjak | 31:e50929bd3f32 | 49 | { 300000, 0x00 }, // Invalid Bandwidth |
GregCr | 0:e6ceb13d2d05 | 50 | }; |
GregCr | 0:e6ceb13d2d05 | 51 | |
Helmut Tschemernjak | 55:00c1f5b83920 | 52 | const SX1276::BandwidthMap SX1276::LoRaBandwidths[] = |
Helmut Tschemernjak | 55:00c1f5b83920 | 53 | { |
Helmut Tschemernjak | 55:00c1f5b83920 | 54 | { 7800, 0 }, // 7.8 kHz requires TCXO |
Helmut Tschemernjak | 55:00c1f5b83920 | 55 | { 10400, 1 }, // 10.4 kHz requires TCXO |
Helmut Tschemernjak | 55:00c1f5b83920 | 56 | { 15600, 2 }, // 15.6 kHz requires TCXO |
Helmut Tschemernjak | 55:00c1f5b83920 | 57 | { 20800, 3 }, // 20.8 kHz requires TCXO |
Helmut Tschemernjak | 82:b93c4169ce41 | 58 | { 31250, 4 }, // 31.25 kHz requires TCXO |
Helmut Tschemernjak | 82:b93c4169ce41 | 59 | { 41700, 5 }, // 41.7 kHz requires TCXO |
Helmut Tschemernjak | 55:00c1f5b83920 | 60 | { 62500, 6 }, // 62.5 kHz requires TCXO |
Helmut Tschemernjak | 82:b93c4169ce41 | 61 | { 125000, 7 }, // 125 kHz the LoRa protocol default |
Helmut Tschemernjak | 82:b93c4169ce41 | 62 | { 250000, 8 }, // 250 kHz |
Helmut Tschemernjak | 82:b93c4169ce41 | 63 | { 500000, 9 }, // 500 kHz |
Helmut Tschemernjak | 62:835c5e20834e | 64 | { 600000, 10 }, // Invalid Bandwidth, reserved |
Helmut Tschemernjak | 55:00c1f5b83920 | 65 | }; |
Helmut Tschemernjak | 55:00c1f5b83920 | 66 | |
GregCr | 0:e6ceb13d2d05 | 67 | |
Helmut Tschemernjak | 38:d9189d958db8 | 68 | |
Helmut Tschemernjak | 38:d9189d958db8 | 69 | /*! |
Helmut Tschemernjak | 38:d9189d958db8 | 70 | * @brief Radio hardware registers initialization definition |
Helmut Tschemernjak | 38:d9189d958db8 | 71 | * |
Helmut Tschemernjak | 38:d9189d958db8 | 72 | * @remark Can be automatically generated by the SX1276 GUI (not yet implemented) |
Helmut Tschemernjak | 38:d9189d958db8 | 73 | */ |
Helmut Tschemernjak | 38:d9189d958db8 | 74 | |
Helmut Tschemernjak | 55:00c1f5b83920 | 75 | const SX1276::RadioRegisters SX1276::RadioRegsInit[] = { |
Helmut Tschemernjak | 38:d9189d958db8 | 76 | { MODEM_FSK , REG_LNA , 0x23 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 77 | { MODEM_FSK , REG_RXCONFIG , 0x1E }, |
Helmut Tschemernjak | 38:d9189d958db8 | 78 | { MODEM_FSK , REG_RSSICONFIG , 0xD2 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 79 | { MODEM_FSK , REG_AFCFEI , 0x01 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 80 | { MODEM_FSK , REG_PREAMBLEDETECT , 0xAA }, |
Helmut Tschemernjak | 38:d9189d958db8 | 81 | { MODEM_FSK , REG_OSC , 0x07 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 82 | { MODEM_FSK , REG_SYNCCONFIG , 0x12 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 83 | { MODEM_FSK , REG_SYNCVALUE1 , 0xC1 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 84 | { MODEM_FSK , REG_SYNCVALUE2 , 0x94 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 85 | { MODEM_FSK , REG_SYNCVALUE3 , 0xC1 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 86 | { MODEM_FSK , REG_PACKETCONFIG1 , 0xD8 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 87 | { MODEM_FSK , REG_FIFOTHRESH , 0x8F }, |
Helmut Tschemernjak | 38:d9189d958db8 | 88 | { MODEM_FSK , REG_IMAGECAL , 0x02 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 89 | { MODEM_FSK , REG_DIOMAPPING1 , 0x00 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 90 | { MODEM_FSK , REG_DIOMAPPING2 , 0x30 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 91 | { MODEM_LORA, REG_LR_PAYLOADMAXLENGTH, 0x40 }, |
Helmut Tschemernjak | 38:d9189d958db8 | 92 | |
Helmut Tschemernjak | 38:d9189d958db8 | 93 | }; |
Helmut Tschemernjak | 38:d9189d958db8 | 94 | |
Helmut Tschemernjak | 38:d9189d958db8 | 95 | |
Helmut Tschemernjak | 34:07e89f23c734 | 96 | SX1276::SX1276( RadioEvents_t *events) : Radio( events ), isRadioActive( false ) |
GregCr | 0:e6ceb13d2d05 | 97 | { |
GregCr | 23:1e143575df0f | 98 | this->rxtxBuffer = new uint8_t[RX_BUFFER_SIZE]; |
mluis | 13:618826a997e2 | 99 | |
mluis | 21:2e496deb7858 | 100 | this->RadioEvents = events; |
mluis | 21:2e496deb7858 | 101 | |
mluis | 13:618826a997e2 | 102 | this->dioIrq = new DioIrqHandler[6]; |
GregCr | 0:e6ceb13d2d05 | 103 | |
mluis | 13:618826a997e2 | 104 | this->dioIrq[0] = &SX1276::OnDio0Irq; |
mluis | 13:618826a997e2 | 105 | this->dioIrq[1] = &SX1276::OnDio1Irq; |
mluis | 13:618826a997e2 | 106 | this->dioIrq[2] = &SX1276::OnDio2Irq; |
mluis | 13:618826a997e2 | 107 | this->dioIrq[3] = &SX1276::OnDio3Irq; |
mluis | 13:618826a997e2 | 108 | this->dioIrq[4] = &SX1276::OnDio4Irq; |
mluis | 13:618826a997e2 | 109 | this->dioIrq[5] = NULL; |
mluis | 13:618826a997e2 | 110 | |
mluis | 21:2e496deb7858 | 111 | this->settings.State = RF_IDLE; |
GregCr | 0:e6ceb13d2d05 | 112 | } |
GregCr | 0:e6ceb13d2d05 | 113 | |
GregCr | 0:e6ceb13d2d05 | 114 | SX1276::~SX1276( ) |
GregCr | 0:e6ceb13d2d05 | 115 | { |
GregCr | 23:1e143575df0f | 116 | delete this->rxtxBuffer; |
mluis | 13:618826a997e2 | 117 | delete this->dioIrq; |
GregCr | 0:e6ceb13d2d05 | 118 | } |
GregCr | 0:e6ceb13d2d05 | 119 | |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 120 | bool SX1276::Init( RadioEvents_t *events ) |
mluis | 21:2e496deb7858 | 121 | { |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 122 | if (Read(REG_VERSION) == 0x00) |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 123 | return false; |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 124 | |
mluis | 21:2e496deb7858 | 125 | this->RadioEvents = events; |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 126 | return true; |
mluis | 21:2e496deb7858 | 127 | } |
mluis | 21:2e496deb7858 | 128 | |
Helmut Tschemernjak | 38:d9189d958db8 | 129 | |
Helmut Tschemernjak | 38:d9189d958db8 | 130 | void SX1276::RadioRegistersInit( ) |
Helmut Tschemernjak | 38:d9189d958db8 | 131 | { |
Helmut Tschemernjak | 38:d9189d958db8 | 132 | uint8_t i = 0; |
Helmut Tschemernjak | 55:00c1f5b83920 | 133 | for( i = 0; i < sizeof( RadioRegsInit ) / sizeof( RadioRegisters ); i++ ) |
Helmut Tschemernjak | 38:d9189d958db8 | 134 | { |
Helmut Tschemernjak | 38:d9189d958db8 | 135 | SetModem( RadioRegsInit[i].Modem ); |
Helmut Tschemernjak | 38:d9189d958db8 | 136 | Write( RadioRegsInit[i].Addr, RadioRegsInit[i].Value ); |
Helmut Tschemernjak | 38:d9189d958db8 | 137 | } |
Helmut Tschemernjak | 38:d9189d958db8 | 138 | } |
Helmut Tschemernjak | 38:d9189d958db8 | 139 | |
Helmut Tschemernjak | 38:d9189d958db8 | 140 | |
GregCr | 19:71a47bb03fbb | 141 | RadioState SX1276::GetStatus( void ) |
GregCr | 0:e6ceb13d2d05 | 142 | { |
GregCr | 0:e6ceb13d2d05 | 143 | return this->settings.State; |
GregCr | 0:e6ceb13d2d05 | 144 | } |
GregCr | 0:e6ceb13d2d05 | 145 | |
GregCr | 0:e6ceb13d2d05 | 146 | void SX1276::SetChannel( uint32_t freq ) |
GregCr | 0:e6ceb13d2d05 | 147 | { |
GregCr | 0:e6ceb13d2d05 | 148 | this->settings.Channel = freq; |
GregCr | 0:e6ceb13d2d05 | 149 | freq = ( uint32_t )( ( double )freq / ( double )FREQ_STEP ); |
GregCr | 0:e6ceb13d2d05 | 150 | Write( REG_FRFMSB, ( uint8_t )( ( freq >> 16 ) & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 151 | Write( REG_FRFMID, ( uint8_t )( ( freq >> 8 ) & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 152 | Write( REG_FRFLSB, ( uint8_t )( freq & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 153 | } |
GregCr | 0:e6ceb13d2d05 | 154 | |
mluis | 22:7f3aab69cca9 | 155 | bool SX1276::IsChannelFree( RadioModems_t modem, uint32_t freq, int16_t rssiThresh ) |
GregCr | 0:e6ceb13d2d05 | 156 | { |
GregCr | 7:2b555111463f | 157 | int16_t rssi = 0; |
mluis | 25:3778e6204cc1 | 158 | |
GregCr | 0:e6ceb13d2d05 | 159 | SetModem( modem ); |
GregCr | 0:e6ceb13d2d05 | 160 | |
GregCr | 0:e6ceb13d2d05 | 161 | SetChannel( freq ); |
mluis | 25:3778e6204cc1 | 162 | |
GregCr | 0:e6ceb13d2d05 | 163 | SetOpMode( RF_OPMODE_RECEIVER ); |
GregCr | 0:e6ceb13d2d05 | 164 | |
Helmut Tschemernjak | 64:b721e6ab656a | 165 | Sleep_ms( 1 ); |
mluis | 25:3778e6204cc1 | 166 | |
GregCr | 0:e6ceb13d2d05 | 167 | rssi = GetRssi( modem ); |
mluis | 25:3778e6204cc1 | 168 | |
GregCr | 0:e6ceb13d2d05 | 169 | Sleep( ); |
mluis | 25:3778e6204cc1 | 170 | |
mluis | 22:7f3aab69cca9 | 171 | if( rssi > rssiThresh ) |
GregCr | 0:e6ceb13d2d05 | 172 | { |
GregCr | 0:e6ceb13d2d05 | 173 | return false; |
GregCr | 0:e6ceb13d2d05 | 174 | } |
GregCr | 0:e6ceb13d2d05 | 175 | return true; |
GregCr | 0:e6ceb13d2d05 | 176 | } |
GregCr | 0:e6ceb13d2d05 | 177 | |
GregCr | 0:e6ceb13d2d05 | 178 | uint32_t SX1276::Random( void ) |
GregCr | 0:e6ceb13d2d05 | 179 | { |
GregCr | 0:e6ceb13d2d05 | 180 | uint8_t i; |
GregCr | 0:e6ceb13d2d05 | 181 | uint32_t rnd = 0; |
GregCr | 0:e6ceb13d2d05 | 182 | |
GregCr | 0:e6ceb13d2d05 | 183 | /* |
mluis | 25:3778e6204cc1 | 184 | * Radio setup for random number generation |
GregCr | 0:e6ceb13d2d05 | 185 | */ |
GregCr | 0:e6ceb13d2d05 | 186 | // Set LoRa modem ON |
GregCr | 0:e6ceb13d2d05 | 187 | SetModem( MODEM_LORA ); |
GregCr | 0:e6ceb13d2d05 | 188 | |
GregCr | 0:e6ceb13d2d05 | 189 | // Disable LoRa modem interrupts |
GregCr | 0:e6ceb13d2d05 | 190 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
GregCr | 0:e6ceb13d2d05 | 191 | RFLR_IRQFLAGS_RXDONE | |
GregCr | 0:e6ceb13d2d05 | 192 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
GregCr | 0:e6ceb13d2d05 | 193 | RFLR_IRQFLAGS_VALIDHEADER | |
GregCr | 0:e6ceb13d2d05 | 194 | RFLR_IRQFLAGS_TXDONE | |
GregCr | 0:e6ceb13d2d05 | 195 | RFLR_IRQFLAGS_CADDONE | |
GregCr | 0:e6ceb13d2d05 | 196 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
GregCr | 0:e6ceb13d2d05 | 197 | RFLR_IRQFLAGS_CADDETECTED ); |
GregCr | 0:e6ceb13d2d05 | 198 | |
GregCr | 0:e6ceb13d2d05 | 199 | // Set radio in continuous reception |
GregCr | 0:e6ceb13d2d05 | 200 | SetOpMode( RF_OPMODE_RECEIVER ); |
GregCr | 0:e6ceb13d2d05 | 201 | |
GregCr | 0:e6ceb13d2d05 | 202 | for( i = 0; i < 32; i++ ) |
GregCr | 0:e6ceb13d2d05 | 203 | { |
Helmut Tschemernjak | 64:b721e6ab656a | 204 | Sleep_ms( 1 ); |
GregCr | 0:e6ceb13d2d05 | 205 | // Unfiltered RSSI value reading. Only takes the LSB value |
GregCr | 0:e6ceb13d2d05 | 206 | rnd |= ( ( uint32_t )Read( REG_LR_RSSIWIDEBAND ) & 0x01 ) << i; |
GregCr | 0:e6ceb13d2d05 | 207 | } |
GregCr | 0:e6ceb13d2d05 | 208 | |
GregCr | 0:e6ceb13d2d05 | 209 | Sleep( ); |
GregCr | 0:e6ceb13d2d05 | 210 | |
GregCr | 0:e6ceb13d2d05 | 211 | return rnd; |
GregCr | 0:e6ceb13d2d05 | 212 | } |
GregCr | 0:e6ceb13d2d05 | 213 | |
GregCr | 0:e6ceb13d2d05 | 214 | /*! |
mluis | 22:7f3aab69cca9 | 215 | * Performs the Rx chain calibration for LF and HF bands |
mluis | 22:7f3aab69cca9 | 216 | * \remark Must be called just after the reset so all registers are at their |
mluis | 22:7f3aab69cca9 | 217 | * default values |
mluis | 22:7f3aab69cca9 | 218 | */ |
mluis | 22:7f3aab69cca9 | 219 | void SX1276::RxChainCalibration( void ) |
mluis | 22:7f3aab69cca9 | 220 | { |
mluis | 22:7f3aab69cca9 | 221 | uint8_t regPaConfigInitVal; |
mluis | 22:7f3aab69cca9 | 222 | uint32_t initialFreq; |
mluis | 22:7f3aab69cca9 | 223 | |
mluis | 22:7f3aab69cca9 | 224 | // Save context |
mluis | 22:7f3aab69cca9 | 225 | regPaConfigInitVal = this->Read( REG_PACONFIG ); |
mluis | 22:7f3aab69cca9 | 226 | initialFreq = ( double )( ( ( uint32_t )this->Read( REG_FRFMSB ) << 16 ) | |
mluis | 22:7f3aab69cca9 | 227 | ( ( uint32_t )this->Read( REG_FRFMID ) << 8 ) | |
mluis | 22:7f3aab69cca9 | 228 | ( ( uint32_t )this->Read( REG_FRFLSB ) ) ) * ( double )FREQ_STEP; |
mluis | 22:7f3aab69cca9 | 229 | |
mluis | 22:7f3aab69cca9 | 230 | // Cut the PA just in case, RFO output, power = -1 dBm |
mluis | 22:7f3aab69cca9 | 231 | this->Write( REG_PACONFIG, 0x00 ); |
mluis | 22:7f3aab69cca9 | 232 | |
mluis | 22:7f3aab69cca9 | 233 | // Launch Rx chain calibration for LF band |
mluis | 22:7f3aab69cca9 | 234 | Write ( REG_IMAGECAL, ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_MASK ) | RF_IMAGECAL_IMAGECAL_START ); |
mluis | 22:7f3aab69cca9 | 235 | while( ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_RUNNING ) == RF_IMAGECAL_IMAGECAL_RUNNING ) |
mluis | 22:7f3aab69cca9 | 236 | { |
mluis | 22:7f3aab69cca9 | 237 | } |
mluis | 22:7f3aab69cca9 | 238 | |
mluis | 22:7f3aab69cca9 | 239 | // Sets a Frequency in HF band |
mluis | 22:7f3aab69cca9 | 240 | SetChannel( 868000000 ); |
mluis | 22:7f3aab69cca9 | 241 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 242 | // Launch Rx chain calibration for HF band |
mluis | 22:7f3aab69cca9 | 243 | Write ( REG_IMAGECAL, ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_MASK ) | RF_IMAGECAL_IMAGECAL_START ); |
mluis | 22:7f3aab69cca9 | 244 | while( ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_RUNNING ) == RF_IMAGECAL_IMAGECAL_RUNNING ) |
mluis | 22:7f3aab69cca9 | 245 | { |
mluis | 22:7f3aab69cca9 | 246 | } |
mluis | 22:7f3aab69cca9 | 247 | |
mluis | 22:7f3aab69cca9 | 248 | // Restore context |
mluis | 22:7f3aab69cca9 | 249 | this->Write( REG_PACONFIG, regPaConfigInitVal ); |
mluis | 22:7f3aab69cca9 | 250 | SetChannel( initialFreq ); |
mluis | 22:7f3aab69cca9 | 251 | } |
mluis | 22:7f3aab69cca9 | 252 | |
mluis | 22:7f3aab69cca9 | 253 | /*! |
GregCr | 0:e6ceb13d2d05 | 254 | * Returns the known FSK bandwidth registers value |
GregCr | 0:e6ceb13d2d05 | 255 | * |
GregCr | 0:e6ceb13d2d05 | 256 | * \param [IN] bandwidth Bandwidth value in Hz |
GregCr | 0:e6ceb13d2d05 | 257 | * \retval regValue Bandwidth register value. |
GregCr | 0:e6ceb13d2d05 | 258 | */ |
GregCr | 0:e6ceb13d2d05 | 259 | uint8_t SX1276::GetFskBandwidthRegValue( uint32_t bandwidth ) |
GregCr | 0:e6ceb13d2d05 | 260 | { |
GregCr | 0:e6ceb13d2d05 | 261 | uint8_t i; |
GregCr | 0:e6ceb13d2d05 | 262 | |
Helmut Tschemernjak | 55:00c1f5b83920 | 263 | for( i = 0; i < ( sizeof( FskBandwidths ) / sizeof( BandwidthMap ) ) - 1; i++ ) |
GregCr | 0:e6ceb13d2d05 | 264 | { |
GregCr | 0:e6ceb13d2d05 | 265 | if( ( bandwidth >= FskBandwidths[i].bandwidth ) && ( bandwidth < FskBandwidths[i + 1].bandwidth ) ) |
GregCr | 0:e6ceb13d2d05 | 266 | { |
GregCr | 0:e6ceb13d2d05 | 267 | return FskBandwidths[i].RegValue; |
GregCr | 0:e6ceb13d2d05 | 268 | } |
GregCr | 0:e6ceb13d2d05 | 269 | } |
GregCr | 0:e6ceb13d2d05 | 270 | // ERROR: Value not found |
GregCr | 0:e6ceb13d2d05 | 271 | while( 1 ); |
GregCr | 0:e6ceb13d2d05 | 272 | } |
GregCr | 0:e6ceb13d2d05 | 273 | |
Helmut Tschemernjak | 55:00c1f5b83920 | 274 | /*! |
Helmut Tschemernjak | 55:00c1f5b83920 | 275 | * Returns the known LoRa bandwidth registers value |
Helmut Tschemernjak | 55:00c1f5b83920 | 276 | * |
Helmut Tschemernjak | 55:00c1f5b83920 | 277 | * \param [IN] bandwidth Bandwidth value in Hz |
Helmut Tschemernjak | 55:00c1f5b83920 | 278 | * \retval regValue Bandwidth register value. |
Helmut Tschemernjak | 55:00c1f5b83920 | 279 | */ |
Helmut Tschemernjak | 55:00c1f5b83920 | 280 | uint8_t SX1276::GetLoRaBandwidthRegValue( uint32_t bandwidth ) |
Helmut Tschemernjak | 55:00c1f5b83920 | 281 | { |
Helmut Tschemernjak | 55:00c1f5b83920 | 282 | uint8_t i; |
Helmut Tschemernjak | 55:00c1f5b83920 | 283 | |
Helmut Tschemernjak | 55:00c1f5b83920 | 284 | for( i = 0; i < ( sizeof( LoRaBandwidths ) / sizeof( BandwidthMap ) ) - 1; i++ ) |
Helmut Tschemernjak | 55:00c1f5b83920 | 285 | { |
Helmut Tschemernjak | 55:00c1f5b83920 | 286 | if( ( bandwidth >= LoRaBandwidths[i].bandwidth ) && ( bandwidth < LoRaBandwidths[i + 1].bandwidth ) ) |
Helmut Tschemernjak | 55:00c1f5b83920 | 287 | { |
Helmut Tschemernjak | 55:00c1f5b83920 | 288 | return LoRaBandwidths[i].RegValue; |
Helmut Tschemernjak | 55:00c1f5b83920 | 289 | } |
Helmut Tschemernjak | 55:00c1f5b83920 | 290 | } |
Helmut Tschemernjak | 55:00c1f5b83920 | 291 | // ERROR: Value not found |
Helmut Tschemernjak | 55:00c1f5b83920 | 292 | while( 1 ); |
Helmut Tschemernjak | 55:00c1f5b83920 | 293 | } |
Helmut Tschemernjak | 55:00c1f5b83920 | 294 | |
mluis | 22:7f3aab69cca9 | 295 | void SX1276::SetRxConfig( RadioModems_t modem, uint32_t bandwidth, |
GregCr | 0:e6ceb13d2d05 | 296 | uint32_t datarate, uint8_t coderate, |
GregCr | 0:e6ceb13d2d05 | 297 | uint32_t bandwidthAfc, uint16_t preambleLen, |
GregCr | 0:e6ceb13d2d05 | 298 | uint16_t symbTimeout, bool fixLen, |
mluis | 13:618826a997e2 | 299 | uint8_t payloadLen, |
mluis | 13:618826a997e2 | 300 | bool crcOn, bool freqHopOn, uint8_t hopPeriod, |
GregCr | 6:e7f02929cd3d | 301 | bool iqInverted, bool rxContinuous ) |
GregCr | 0:e6ceb13d2d05 | 302 | { |
GregCr | 0:e6ceb13d2d05 | 303 | SetModem( modem ); |
GregCr | 0:e6ceb13d2d05 | 304 | |
GregCr | 0:e6ceb13d2d05 | 305 | switch( modem ) |
GregCr | 0:e6ceb13d2d05 | 306 | { |
GregCr | 0:e6ceb13d2d05 | 307 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 308 | { |
GregCr | 0:e6ceb13d2d05 | 309 | this->settings.Fsk.Bandwidth = bandwidth; |
GregCr | 0:e6ceb13d2d05 | 310 | this->settings.Fsk.Datarate = datarate; |
GregCr | 0:e6ceb13d2d05 | 311 | this->settings.Fsk.BandwidthAfc = bandwidthAfc; |
GregCr | 0:e6ceb13d2d05 | 312 | this->settings.Fsk.FixLen = fixLen; |
mluis | 13:618826a997e2 | 313 | this->settings.Fsk.PayloadLen = payloadLen; |
GregCr | 0:e6ceb13d2d05 | 314 | this->settings.Fsk.CrcOn = crcOn; |
GregCr | 0:e6ceb13d2d05 | 315 | this->settings.Fsk.IqInverted = iqInverted; |
GregCr | 0:e6ceb13d2d05 | 316 | this->settings.Fsk.RxContinuous = rxContinuous; |
GregCr | 0:e6ceb13d2d05 | 317 | this->settings.Fsk.PreambleLen = preambleLen; |
Helmut Tschemernjak | 31:e50929bd3f32 | 318 | this->settings.Fsk.RxSingleTimeout = symbTimeout * ( ( 1.0 / ( double )datarate ) * 8.0 ) * 1e3; |
Helmut Tschemernjak | 31:e50929bd3f32 | 319 | |
mluis | 25:3778e6204cc1 | 320 | |
GregCr | 0:e6ceb13d2d05 | 321 | datarate = ( uint16_t )( ( double )XTAL_FREQ / ( double )datarate ); |
GregCr | 0:e6ceb13d2d05 | 322 | Write( REG_BITRATEMSB, ( uint8_t )( datarate >> 8 ) ); |
GregCr | 0:e6ceb13d2d05 | 323 | Write( REG_BITRATELSB, ( uint8_t )( datarate & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 324 | |
GregCr | 0:e6ceb13d2d05 | 325 | Write( REG_RXBW, GetFskBandwidthRegValue( bandwidth ) ); |
GregCr | 0:e6ceb13d2d05 | 326 | Write( REG_AFCBW, GetFskBandwidthRegValue( bandwidthAfc ) ); |
GregCr | 0:e6ceb13d2d05 | 327 | |
mluis | 14:8552d0b840be | 328 | Write( REG_PREAMBLEMSB, ( uint8_t )( ( preambleLen >> 8 ) & 0xFF ) ); |
mluis | 14:8552d0b840be | 329 | Write( REG_PREAMBLELSB, ( uint8_t )( preambleLen & 0xFF ) ); |
mluis | 25:3778e6204cc1 | 330 | |
mluis | 22:7f3aab69cca9 | 331 | if( fixLen == 1 ) |
mluis | 22:7f3aab69cca9 | 332 | { |
mluis | 22:7f3aab69cca9 | 333 | Write( REG_PAYLOADLENGTH, payloadLen ); |
mluis | 22:7f3aab69cca9 | 334 | } |
GregCr | 23:1e143575df0f | 335 | else |
GregCr | 23:1e143575df0f | 336 | { |
mluis | 25:3778e6204cc1 | 337 | Write( REG_PAYLOADLENGTH, 0xFF ); // Set payload length to the maximum |
GregCr | 23:1e143575df0f | 338 | } |
GregCr | 23:1e143575df0f | 339 | |
GregCr | 0:e6ceb13d2d05 | 340 | Write( REG_PACKETCONFIG1, |
Helmut Tschemernjak | 31:e50929bd3f32 | 341 | ( Read( REG_PACKETCONFIG1 ) & |
GregCr | 0:e6ceb13d2d05 | 342 | RF_PACKETCONFIG1_CRC_MASK & |
GregCr | 0:e6ceb13d2d05 | 343 | RF_PACKETCONFIG1_PACKETFORMAT_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 344 | ( ( fixLen == 1 ) ? RF_PACKETCONFIG1_PACKETFORMAT_FIXED : RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE ) | |
GregCr | 0:e6ceb13d2d05 | 345 | ( crcOn << 4 ) ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 346 | Write( REG_PACKETCONFIG2, ( Read( REG_PACKETCONFIG2 ) | RF_PACKETCONFIG2_DATAMODE_PACKET ) ); |
GregCr | 0:e6ceb13d2d05 | 347 | } |
GregCr | 0:e6ceb13d2d05 | 348 | break; |
GregCr | 0:e6ceb13d2d05 | 349 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 350 | { |
Helmut Tschemernjak | 56:4fddac05ac07 | 351 | if (bandwidth > 11) // specified in Hz, needs mapping |
Helmut Tschemernjak | 56:4fddac05ac07 | 352 | bandwidth = GetLoRaBandwidthRegValue(bandwidth); |
Helmut Tschemernjak | 33:5db0d1e716b1 | 353 | if( bandwidth > LORA_BANKWIDTH_500kHz ) |
GregCr | 0:e6ceb13d2d05 | 354 | { |
GregCr | 0:e6ceb13d2d05 | 355 | // Fatal error: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported |
GregCr | 0:e6ceb13d2d05 | 356 | while( 1 ); |
GregCr | 0:e6ceb13d2d05 | 357 | } |
GregCr | 0:e6ceb13d2d05 | 358 | this->settings.LoRa.Bandwidth = bandwidth; |
GregCr | 0:e6ceb13d2d05 | 359 | this->settings.LoRa.Datarate = datarate; |
GregCr | 0:e6ceb13d2d05 | 360 | this->settings.LoRa.Coderate = coderate; |
mluis | 22:7f3aab69cca9 | 361 | this->settings.LoRa.PreambleLen = preambleLen; |
GregCr | 0:e6ceb13d2d05 | 362 | this->settings.LoRa.FixLen = fixLen; |
mluis | 13:618826a997e2 | 363 | this->settings.LoRa.PayloadLen = payloadLen; |
GregCr | 0:e6ceb13d2d05 | 364 | this->settings.LoRa.CrcOn = crcOn; |
mluis | 13:618826a997e2 | 365 | this->settings.LoRa.FreqHopOn = freqHopOn; |
mluis | 13:618826a997e2 | 366 | this->settings.LoRa.HopPeriod = hopPeriod; |
GregCr | 0:e6ceb13d2d05 | 367 | this->settings.LoRa.IqInverted = iqInverted; |
GregCr | 0:e6ceb13d2d05 | 368 | this->settings.LoRa.RxContinuous = rxContinuous; |
mluis | 22:7f3aab69cca9 | 369 | |
Helmut Tschemernjak | 33:5db0d1e716b1 | 370 | if( datarate > LORA_SF12 ) |
GregCr | 0:e6ceb13d2d05 | 371 | { |
Helmut Tschemernjak | 33:5db0d1e716b1 | 372 | datarate = LORA_SF12; |
GregCr | 0:e6ceb13d2d05 | 373 | } |
Helmut Tschemernjak | 33:5db0d1e716b1 | 374 | else if( datarate < LORA_SF6 ) |
GregCr | 0:e6ceb13d2d05 | 375 | { |
Helmut Tschemernjak | 33:5db0d1e716b1 | 376 | datarate = LORA_SF6; |
GregCr | 0:e6ceb13d2d05 | 377 | } |
mluis | 25:3778e6204cc1 | 378 | |
Helmut Tschemernjak | 33:5db0d1e716b1 | 379 | if( ( ( bandwidth == LORA_BANKWIDTH_125kHz ) && ( ( datarate == LORA_SF11 ) || ( datarate == LORA_SF12 ) ) ) || |
Helmut Tschemernjak | 33:5db0d1e716b1 | 380 | ( ( bandwidth == LORA_BANKWIDTH_250kHz ) && ( datarate == LORA_SF12 ) ) ) |
GregCr | 0:e6ceb13d2d05 | 381 | { |
GregCr | 0:e6ceb13d2d05 | 382 | this->settings.LoRa.LowDatarateOptimize = 0x01; |
GregCr | 0:e6ceb13d2d05 | 383 | } |
GregCr | 0:e6ceb13d2d05 | 384 | else |
GregCr | 0:e6ceb13d2d05 | 385 | { |
GregCr | 0:e6ceb13d2d05 | 386 | this->settings.LoRa.LowDatarateOptimize = 0x00; |
GregCr | 0:e6ceb13d2d05 | 387 | } |
GregCr | 0:e6ceb13d2d05 | 388 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 389 | Write( REG_LR_MODEMCONFIG1, |
GregCr | 0:e6ceb13d2d05 | 390 | ( Read( REG_LR_MODEMCONFIG1 ) & |
GregCr | 0:e6ceb13d2d05 | 391 | RFLR_MODEMCONFIG1_BW_MASK & |
GregCr | 0:e6ceb13d2d05 | 392 | RFLR_MODEMCONFIG1_CODINGRATE_MASK & |
GregCr | 0:e6ceb13d2d05 | 393 | RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK ) | |
mluis | 25:3778e6204cc1 | 394 | ( bandwidth << 4 ) | ( coderate << 1 ) | |
GregCr | 0:e6ceb13d2d05 | 395 | fixLen ); |
mluis | 25:3778e6204cc1 | 396 | |
GregCr | 0:e6ceb13d2d05 | 397 | Write( REG_LR_MODEMCONFIG2, |
GregCr | 0:e6ceb13d2d05 | 398 | ( Read( REG_LR_MODEMCONFIG2 ) & |
GregCr | 0:e6ceb13d2d05 | 399 | RFLR_MODEMCONFIG2_SF_MASK & |
GregCr | 0:e6ceb13d2d05 | 400 | RFLR_MODEMCONFIG2_RXPAYLOADCRC_MASK & |
GregCr | 0:e6ceb13d2d05 | 401 | RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 402 | ( datarate << 4 ) | ( crcOn << 2 ) | |
GregCr | 0:e6ceb13d2d05 | 403 | ( ( symbTimeout >> 8 ) & ~RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK ) ); |
GregCr | 0:e6ceb13d2d05 | 404 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 405 | Write( REG_LR_MODEMCONFIG3, |
GregCr | 0:e6ceb13d2d05 | 406 | ( Read( REG_LR_MODEMCONFIG3 ) & |
GregCr | 0:e6ceb13d2d05 | 407 | RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 408 | ( this->settings.LoRa.LowDatarateOptimize << 3 ) ); |
GregCr | 0:e6ceb13d2d05 | 409 | |
GregCr | 0:e6ceb13d2d05 | 410 | Write( REG_LR_SYMBTIMEOUTLSB, ( uint8_t )( symbTimeout & 0xFF ) ); |
mluis | 25:3778e6204cc1 | 411 | |
GregCr | 0:e6ceb13d2d05 | 412 | Write( REG_LR_PREAMBLEMSB, ( uint8_t )( ( preambleLen >> 8 ) & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 413 | Write( REG_LR_PREAMBLELSB, ( uint8_t )( preambleLen & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 414 | |
mluis | 13:618826a997e2 | 415 | if( fixLen == 1 ) |
mluis | 13:618826a997e2 | 416 | { |
mluis | 13:618826a997e2 | 417 | Write( REG_LR_PAYLOADLENGTH, payloadLen ); |
mluis | 13:618826a997e2 | 418 | } |
mluis | 13:618826a997e2 | 419 | |
GregCr | 6:e7f02929cd3d | 420 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 421 | { |
GregCr | 6:e7f02929cd3d | 422 | Write( REG_LR_PLLHOP, ( Read( REG_LR_PLLHOP ) & RFLR_PLLHOP_FASTHOP_MASK ) | RFLR_PLLHOP_FASTHOP_ON ); |
GregCr | 6:e7f02929cd3d | 423 | Write( REG_LR_HOPPERIOD, this->settings.LoRa.HopPeriod ); |
GregCr | 6:e7f02929cd3d | 424 | } |
GregCr | 6:e7f02929cd3d | 425 | |
Helmut Tschemernjak | 33:5db0d1e716b1 | 426 | if( ( bandwidth == LORA_BANKWIDTH_500kHz ) && ( this->settings.Channel > RF_MID_BAND_THRESH ) ) |
mluis | 22:7f3aab69cca9 | 427 | { |
mluis | 25:3778e6204cc1 | 428 | // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth |
mluis | 22:7f3aab69cca9 | 429 | Write( REG_LR_TEST36, 0x02 ); |
mluis | 22:7f3aab69cca9 | 430 | Write( REG_LR_TEST3A, 0x64 ); |
mluis | 22:7f3aab69cca9 | 431 | } |
Helmut Tschemernjak | 33:5db0d1e716b1 | 432 | else if( bandwidth == LORA_BANKWIDTH_500kHz ) |
mluis | 22:7f3aab69cca9 | 433 | { |
mluis | 22:7f3aab69cca9 | 434 | // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth |
mluis | 22:7f3aab69cca9 | 435 | Write( REG_LR_TEST36, 0x02 ); |
mluis | 22:7f3aab69cca9 | 436 | Write( REG_LR_TEST3A, 0x7F ); |
mluis | 22:7f3aab69cca9 | 437 | } |
mluis | 22:7f3aab69cca9 | 438 | else |
mluis | 22:7f3aab69cca9 | 439 | { |
mluis | 22:7f3aab69cca9 | 440 | // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth |
mluis | 22:7f3aab69cca9 | 441 | Write( REG_LR_TEST36, 0x03 ); |
mluis | 22:7f3aab69cca9 | 442 | } |
mluis | 25:3778e6204cc1 | 443 | |
Helmut Tschemernjak | 33:5db0d1e716b1 | 444 | if( datarate == LORA_SF6 ) |
GregCr | 0:e6ceb13d2d05 | 445 | { |
Helmut Tschemernjak | 31:e50929bd3f32 | 446 | Write( REG_LR_DETECTOPTIMIZE, |
GregCr | 0:e6ceb13d2d05 | 447 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
GregCr | 0:e6ceb13d2d05 | 448 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 449 | RFLR_DETECTIONOPTIMIZE_SF6 ); |
mluis | 25:3778e6204cc1 | 450 | Write( REG_LR_DETECTIONTHRESHOLD, |
GregCr | 0:e6ceb13d2d05 | 451 | RFLR_DETECTIONTHRESH_SF6 ); |
GregCr | 0:e6ceb13d2d05 | 452 | } |
GregCr | 0:e6ceb13d2d05 | 453 | else |
GregCr | 0:e6ceb13d2d05 | 454 | { |
GregCr | 0:e6ceb13d2d05 | 455 | Write( REG_LR_DETECTOPTIMIZE, |
GregCr | 0:e6ceb13d2d05 | 456 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
GregCr | 0:e6ceb13d2d05 | 457 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 458 | RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12 ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 459 | Write( REG_LR_DETECTIONTHRESHOLD, |
GregCr | 0:e6ceb13d2d05 | 460 | RFLR_DETECTIONTHRESH_SF7_TO_SF12 ); |
GregCr | 0:e6ceb13d2d05 | 461 | } |
GregCr | 0:e6ceb13d2d05 | 462 | } |
GregCr | 0:e6ceb13d2d05 | 463 | break; |
GregCr | 0:e6ceb13d2d05 | 464 | } |
GregCr | 0:e6ceb13d2d05 | 465 | } |
GregCr | 0:e6ceb13d2d05 | 466 | |
mluis | 25:3778e6204cc1 | 467 | void SX1276::SetTxConfig( RadioModems_t modem, int8_t power, uint32_t fdev, |
GregCr | 0:e6ceb13d2d05 | 468 | uint32_t bandwidth, uint32_t datarate, |
GregCr | 0:e6ceb13d2d05 | 469 | uint8_t coderate, uint16_t preambleLen, |
mluis | 25:3778e6204cc1 | 470 | bool fixLen, bool crcOn, bool freqHopOn, |
mluis | 13:618826a997e2 | 471 | uint8_t hopPeriod, bool iqInverted, uint32_t timeout ) |
GregCr | 0:e6ceb13d2d05 | 472 | { |
GregCr | 0:e6ceb13d2d05 | 473 | SetModem( modem ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 474 | SetRfTxPower( power ); |
GregCr | 0:e6ceb13d2d05 | 475 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 476 | switch( modem ) |
GregCr | 0:e6ceb13d2d05 | 477 | { |
GregCr | 0:e6ceb13d2d05 | 478 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 479 | { |
GregCr | 0:e6ceb13d2d05 | 480 | this->settings.Fsk.Power = power; |
GregCr | 0:e6ceb13d2d05 | 481 | this->settings.Fsk.Fdev = fdev; |
GregCr | 0:e6ceb13d2d05 | 482 | this->settings.Fsk.Bandwidth = bandwidth; |
GregCr | 0:e6ceb13d2d05 | 483 | this->settings.Fsk.Datarate = datarate; |
GregCr | 0:e6ceb13d2d05 | 484 | this->settings.Fsk.PreambleLen = preambleLen; |
GregCr | 0:e6ceb13d2d05 | 485 | this->settings.Fsk.FixLen = fixLen; |
GregCr | 0:e6ceb13d2d05 | 486 | this->settings.Fsk.CrcOn = crcOn; |
GregCr | 0:e6ceb13d2d05 | 487 | this->settings.Fsk.IqInverted = iqInverted; |
GregCr | 0:e6ceb13d2d05 | 488 | this->settings.Fsk.TxTimeout = timeout; |
mluis | 25:3778e6204cc1 | 489 | |
GregCr | 0:e6ceb13d2d05 | 490 | fdev = ( uint16_t )( ( double )fdev / ( double )FREQ_STEP ); |
GregCr | 0:e6ceb13d2d05 | 491 | Write( REG_FDEVMSB, ( uint8_t )( fdev >> 8 ) ); |
GregCr | 0:e6ceb13d2d05 | 492 | Write( REG_FDEVLSB, ( uint8_t )( fdev & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 493 | |
GregCr | 0:e6ceb13d2d05 | 494 | datarate = ( uint16_t )( ( double )XTAL_FREQ / ( double )datarate ); |
GregCr | 0:e6ceb13d2d05 | 495 | Write( REG_BITRATEMSB, ( uint8_t )( datarate >> 8 ) ); |
GregCr | 0:e6ceb13d2d05 | 496 | Write( REG_BITRATELSB, ( uint8_t )( datarate & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 497 | |
GregCr | 0:e6ceb13d2d05 | 498 | Write( REG_PREAMBLEMSB, ( preambleLen >> 8 ) & 0x00FF ); |
GregCr | 0:e6ceb13d2d05 | 499 | Write( REG_PREAMBLELSB, preambleLen & 0xFF ); |
GregCr | 0:e6ceb13d2d05 | 500 | |
GregCr | 0:e6ceb13d2d05 | 501 | Write( REG_PACKETCONFIG1, |
mluis | 25:3778e6204cc1 | 502 | ( Read( REG_PACKETCONFIG1 ) & |
GregCr | 0:e6ceb13d2d05 | 503 | RF_PACKETCONFIG1_CRC_MASK & |
GregCr | 0:e6ceb13d2d05 | 504 | RF_PACKETCONFIG1_PACKETFORMAT_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 505 | ( ( fixLen == 1 ) ? RF_PACKETCONFIG1_PACKETFORMAT_FIXED : RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE ) | |
GregCr | 0:e6ceb13d2d05 | 506 | ( crcOn << 4 ) ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 507 | Write( REG_PACKETCONFIG2, ( Read( REG_PACKETCONFIG2 ) | RF_PACKETCONFIG2_DATAMODE_PACKET ) ); |
GregCr | 0:e6ceb13d2d05 | 508 | } |
GregCr | 0:e6ceb13d2d05 | 509 | break; |
GregCr | 0:e6ceb13d2d05 | 510 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 511 | { |
GregCr | 0:e6ceb13d2d05 | 512 | this->settings.LoRa.Power = power; |
Helmut Tschemernjak | 56:4fddac05ac07 | 513 | if (bandwidth > 11) // specified in Hz, needs mapping |
Helmut Tschemernjak | 56:4fddac05ac07 | 514 | bandwidth = GetLoRaBandwidthRegValue(bandwidth); |
Helmut Tschemernjak | 33:5db0d1e716b1 | 515 | if( bandwidth > LORA_BANKWIDTH_500kHz ) |
GregCr | 0:e6ceb13d2d05 | 516 | { |
GregCr | 0:e6ceb13d2d05 | 517 | // Fatal error: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported |
GregCr | 0:e6ceb13d2d05 | 518 | while( 1 ); |
GregCr | 0:e6ceb13d2d05 | 519 | } |
GregCr | 0:e6ceb13d2d05 | 520 | this->settings.LoRa.Bandwidth = bandwidth; |
GregCr | 0:e6ceb13d2d05 | 521 | this->settings.LoRa.Datarate = datarate; |
GregCr | 0:e6ceb13d2d05 | 522 | this->settings.LoRa.Coderate = coderate; |
GregCr | 0:e6ceb13d2d05 | 523 | this->settings.LoRa.PreambleLen = preambleLen; |
GregCr | 0:e6ceb13d2d05 | 524 | this->settings.LoRa.FixLen = fixLen; |
mluis | 13:618826a997e2 | 525 | this->settings.LoRa.FreqHopOn = freqHopOn; |
mluis | 13:618826a997e2 | 526 | this->settings.LoRa.HopPeriod = hopPeriod; |
mluis | 22:7f3aab69cca9 | 527 | this->settings.LoRa.CrcOn = crcOn; |
GregCr | 0:e6ceb13d2d05 | 528 | this->settings.LoRa.IqInverted = iqInverted; |
GregCr | 0:e6ceb13d2d05 | 529 | this->settings.LoRa.TxTimeout = timeout; |
GregCr | 0:e6ceb13d2d05 | 530 | |
Helmut Tschemernjak | 33:5db0d1e716b1 | 531 | if( datarate > LORA_SF12 ) |
GregCr | 0:e6ceb13d2d05 | 532 | { |
Helmut Tschemernjak | 33:5db0d1e716b1 | 533 | datarate = LORA_SF12; |
GregCr | 0:e6ceb13d2d05 | 534 | } |
Helmut Tschemernjak | 33:5db0d1e716b1 | 535 | else if( datarate < LORA_SF6 ) |
GregCr | 0:e6ceb13d2d05 | 536 | { |
Helmut Tschemernjak | 33:5db0d1e716b1 | 537 | datarate = LORA_SF6; |
GregCr | 0:e6ceb13d2d05 | 538 | } |
Helmut Tschemernjak | 33:5db0d1e716b1 | 539 | if( ( ( bandwidth == LORA_BANKWIDTH_125kHz ) && ( ( datarate == LORA_SF11 ) || ( datarate == LORA_SF12 ) ) ) || |
Helmut Tschemernjak | 33:5db0d1e716b1 | 540 | ( ( bandwidth == LORA_BANKWIDTH_250kHz ) && ( datarate == LORA_SF12 ) ) ) |
GregCr | 0:e6ceb13d2d05 | 541 | { |
GregCr | 0:e6ceb13d2d05 | 542 | this->settings.LoRa.LowDatarateOptimize = 0x01; |
GregCr | 0:e6ceb13d2d05 | 543 | } |
GregCr | 0:e6ceb13d2d05 | 544 | else |
GregCr | 0:e6ceb13d2d05 | 545 | { |
GregCr | 0:e6ceb13d2d05 | 546 | this->settings.LoRa.LowDatarateOptimize = 0x00; |
GregCr | 0:e6ceb13d2d05 | 547 | } |
mluis | 22:7f3aab69cca9 | 548 | |
GregCr | 6:e7f02929cd3d | 549 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 550 | { |
GregCr | 6:e7f02929cd3d | 551 | Write( REG_LR_PLLHOP, ( Read( REG_LR_PLLHOP ) & RFLR_PLLHOP_FASTHOP_MASK ) | RFLR_PLLHOP_FASTHOP_ON ); |
GregCr | 6:e7f02929cd3d | 552 | Write( REG_LR_HOPPERIOD, this->settings.LoRa.HopPeriod ); |
GregCr | 6:e7f02929cd3d | 553 | } |
mluis | 22:7f3aab69cca9 | 554 | |
mluis | 25:3778e6204cc1 | 555 | Write( REG_LR_MODEMCONFIG1, |
GregCr | 0:e6ceb13d2d05 | 556 | ( Read( REG_LR_MODEMCONFIG1 ) & |
GregCr | 0:e6ceb13d2d05 | 557 | RFLR_MODEMCONFIG1_BW_MASK & |
GregCr | 0:e6ceb13d2d05 | 558 | RFLR_MODEMCONFIG1_CODINGRATE_MASK & |
GregCr | 0:e6ceb13d2d05 | 559 | RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK ) | |
mluis | 25:3778e6204cc1 | 560 | ( bandwidth << 4 ) | ( coderate << 1 ) | |
GregCr | 0:e6ceb13d2d05 | 561 | fixLen ); |
GregCr | 0:e6ceb13d2d05 | 562 | |
GregCr | 0:e6ceb13d2d05 | 563 | Write( REG_LR_MODEMCONFIG2, |
GregCr | 0:e6ceb13d2d05 | 564 | ( Read( REG_LR_MODEMCONFIG2 ) & |
GregCr | 0:e6ceb13d2d05 | 565 | RFLR_MODEMCONFIG2_SF_MASK & |
GregCr | 0:e6ceb13d2d05 | 566 | RFLR_MODEMCONFIG2_RXPAYLOADCRC_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 567 | ( datarate << 4 ) | ( crcOn << 2 ) ); |
GregCr | 0:e6ceb13d2d05 | 568 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 569 | Write( REG_LR_MODEMCONFIG3, |
GregCr | 0:e6ceb13d2d05 | 570 | ( Read( REG_LR_MODEMCONFIG3 ) & |
GregCr | 0:e6ceb13d2d05 | 571 | RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 572 | ( this->settings.LoRa.LowDatarateOptimize << 3 ) ); |
mluis | 25:3778e6204cc1 | 573 | |
GregCr | 0:e6ceb13d2d05 | 574 | Write( REG_LR_PREAMBLEMSB, ( preambleLen >> 8 ) & 0x00FF ); |
GregCr | 0:e6ceb13d2d05 | 575 | Write( REG_LR_PREAMBLELSB, preambleLen & 0xFF ); |
mluis | 25:3778e6204cc1 | 576 | |
Helmut Tschemernjak | 33:5db0d1e716b1 | 577 | if( datarate == LORA_SF6 ) |
GregCr | 0:e6ceb13d2d05 | 578 | { |
mluis | 25:3778e6204cc1 | 579 | Write( REG_LR_DETECTOPTIMIZE, |
GregCr | 0:e6ceb13d2d05 | 580 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
GregCr | 0:e6ceb13d2d05 | 581 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 582 | RFLR_DETECTIONOPTIMIZE_SF6 ); |
mluis | 25:3778e6204cc1 | 583 | Write( REG_LR_DETECTIONTHRESHOLD, |
GregCr | 0:e6ceb13d2d05 | 584 | RFLR_DETECTIONTHRESH_SF6 ); |
GregCr | 0:e6ceb13d2d05 | 585 | } |
GregCr | 0:e6ceb13d2d05 | 586 | else |
GregCr | 0:e6ceb13d2d05 | 587 | { |
GregCr | 0:e6ceb13d2d05 | 588 | Write( REG_LR_DETECTOPTIMIZE, |
GregCr | 0:e6ceb13d2d05 | 589 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
GregCr | 0:e6ceb13d2d05 | 590 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 591 | RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12 ); |
mluis | 25:3778e6204cc1 | 592 | Write( REG_LR_DETECTIONTHRESHOLD, |
GregCr | 0:e6ceb13d2d05 | 593 | RFLR_DETECTIONTHRESH_SF7_TO_SF12 ); |
GregCr | 0:e6ceb13d2d05 | 594 | } |
GregCr | 0:e6ceb13d2d05 | 595 | } |
GregCr | 0:e6ceb13d2d05 | 596 | break; |
GregCr | 0:e6ceb13d2d05 | 597 | } |
GregCr | 0:e6ceb13d2d05 | 598 | } |
GregCr | 0:e6ceb13d2d05 | 599 | |
Helmut Tschemernjak | 59:38e56c85fa44 | 600 | uint32_t SX1276::TimeOnAir( RadioModems_t modem, int16_t pktLen ) |
GregCr | 0:e6ceb13d2d05 | 601 | { |
mluis | 22:7f3aab69cca9 | 602 | uint32_t airTime = 0; |
GregCr | 0:e6ceb13d2d05 | 603 | |
GregCr | 0:e6ceb13d2d05 | 604 | switch( modem ) |
GregCr | 0:e6ceb13d2d05 | 605 | { |
GregCr | 0:e6ceb13d2d05 | 606 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 607 | { |
mluis | 22:7f3aab69cca9 | 608 | airTime = rint( ( 8 * ( this->settings.Fsk.PreambleLen + |
GregCr | 0:e6ceb13d2d05 | 609 | ( ( Read( REG_SYNCCONFIG ) & ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + 1 ) + |
GregCr | 0:e6ceb13d2d05 | 610 | ( ( this->settings.Fsk.FixLen == 0x01 ) ? 0.0 : 1.0 ) + |
GregCr | 0:e6ceb13d2d05 | 611 | ( ( ( Read( REG_PACKETCONFIG1 ) & ~RF_PACKETCONFIG1_ADDRSFILTERING_MASK ) != 0x00 ) ? 1.0 : 0 ) + |
GregCr | 0:e6ceb13d2d05 | 612 | pktLen + |
GregCr | 0:e6ceb13d2d05 | 613 | ( ( this->settings.Fsk.CrcOn == 0x01 ) ? 2.0 : 0 ) ) / |
Helmut Tschemernjak | 31:e50929bd3f32 | 614 | this->settings.Fsk.Datarate ) * 1e3 ); |
GregCr | 0:e6ceb13d2d05 | 615 | } |
GregCr | 0:e6ceb13d2d05 | 616 | break; |
GregCr | 0:e6ceb13d2d05 | 617 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 618 | { |
GregCr | 0:e6ceb13d2d05 | 619 | double bw = 0.0; |
GregCr | 0:e6ceb13d2d05 | 620 | // REMARK: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported |
GregCr | 0:e6ceb13d2d05 | 621 | switch( this->settings.LoRa.Bandwidth ) |
GregCr | 0:e6ceb13d2d05 | 622 | { |
Helmut Tschemernjak | 33:5db0d1e716b1 | 623 | case LORA_BANKWIDTH_7kHz: // 7.8 kHz |
Helmut Tschemernjak | 33:5db0d1e716b1 | 624 | bw = 78e2; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 625 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 626 | case LORA_BANKWIDTH_10kHz: // 10.4 kHz |
Helmut Tschemernjak | 33:5db0d1e716b1 | 627 | bw = 104e2; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 628 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 629 | case LORA_BANKWIDTH_15kHz: // 15.6 kHz |
Helmut Tschemernjak | 33:5db0d1e716b1 | 630 | bw = 156e2; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 631 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 632 | case LORA_BANKWIDTH_20kHz: // 20.8 kHz |
Helmut Tschemernjak | 33:5db0d1e716b1 | 633 | bw = 208e2; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 634 | break; |
Helmut Tschemernjak | 83:019da451b283 | 635 | case LORA_BANKWIDTH_31kHz: // 31.25 kHz |
Helmut Tschemernjak | 33:5db0d1e716b1 | 636 | bw = 312e2; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 637 | break; |
Helmut Tschemernjak | 83:019da451b283 | 638 | case LORA_BANKWIDTH_41kHz: // 41.7 kHz |
Helmut Tschemernjak | 33:5db0d1e716b1 | 639 | bw = 414e2; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 640 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 641 | case LORA_BANKWIDTH_62kHz: // 62.5 kHz |
Helmut Tschemernjak | 33:5db0d1e716b1 | 642 | bw = 625e2; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 643 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 644 | case LORA_BANKWIDTH_125kHz: // 125 kHz |
GregCr | 0:e6ceb13d2d05 | 645 | bw = 125e3; |
GregCr | 0:e6ceb13d2d05 | 646 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 647 | case LORA_BANKWIDTH_250kHz: // 250 kHz |
GregCr | 0:e6ceb13d2d05 | 648 | bw = 250e3; |
GregCr | 0:e6ceb13d2d05 | 649 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 650 | case LORA_BANKWIDTH_500kHz: // 500 kHz |
GregCr | 0:e6ceb13d2d05 | 651 | bw = 500e3; |
GregCr | 0:e6ceb13d2d05 | 652 | break; |
GregCr | 0:e6ceb13d2d05 | 653 | } |
GregCr | 0:e6ceb13d2d05 | 654 | |
GregCr | 0:e6ceb13d2d05 | 655 | // Symbol rate : time for one symbol (secs) |
GregCr | 0:e6ceb13d2d05 | 656 | double rs = bw / ( 1 << this->settings.LoRa.Datarate ); |
GregCr | 0:e6ceb13d2d05 | 657 | double ts = 1 / rs; |
GregCr | 0:e6ceb13d2d05 | 658 | // time of preamble |
GregCr | 0:e6ceb13d2d05 | 659 | double tPreamble = ( this->settings.LoRa.PreambleLen + 4.25 ) * ts; |
GregCr | 0:e6ceb13d2d05 | 660 | // Symbol length of payload and time |
GregCr | 0:e6ceb13d2d05 | 661 | double tmp = ceil( ( 8 * pktLen - 4 * this->settings.LoRa.Datarate + |
GregCr | 0:e6ceb13d2d05 | 662 | 28 + 16 * this->settings.LoRa.CrcOn - |
GregCr | 0:e6ceb13d2d05 | 663 | ( this->settings.LoRa.FixLen ? 20 : 0 ) ) / |
Helmut Tschemernjak | 31:e50929bd3f32 | 664 | ( double )( 4 * ( this->settings.LoRa.Datarate - |
Helmut Tschemernjak | 31:e50929bd3f32 | 665 | ( ( this->settings.LoRa.LowDatarateOptimize > 0 ) ? 2 : 0 ) ) ) ) * |
GregCr | 0:e6ceb13d2d05 | 666 | ( this->settings.LoRa.Coderate + 4 ); |
GregCr | 0:e6ceb13d2d05 | 667 | double nPayload = 8 + ( ( tmp > 0 ) ? tmp : 0 ); |
GregCr | 0:e6ceb13d2d05 | 668 | double tPayload = nPayload * ts; |
mluis | 25:3778e6204cc1 | 669 | // Time on air |
GregCr | 0:e6ceb13d2d05 | 670 | double tOnAir = tPreamble + tPayload; |
Helmut Tschemernjak | 31:e50929bd3f32 | 671 | // return ms secs |
Helmut Tschemernjak | 31:e50929bd3f32 | 672 | airTime = floor( tOnAir * 1e3 + 0.999 ); |
GregCr | 0:e6ceb13d2d05 | 673 | } |
GregCr | 0:e6ceb13d2d05 | 674 | break; |
GregCr | 0:e6ceb13d2d05 | 675 | } |
GregCr | 0:e6ceb13d2d05 | 676 | return airTime; |
GregCr | 0:e6ceb13d2d05 | 677 | } |
GregCr | 0:e6ceb13d2d05 | 678 | |
Helmut Tschemernjak | 51:aef3234bcb71 | 679 | void SX1276::Send( void *buffer, int16_t size, void *header, int16_t hsize ) |
GregCr | 0:e6ceb13d2d05 | 680 | { |
GregCr | 0:e6ceb13d2d05 | 681 | uint32_t txTimeout = 0; |
GregCr | 0:e6ceb13d2d05 | 682 | |
GregCr | 0:e6ceb13d2d05 | 683 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 684 | { |
GregCr | 0:e6ceb13d2d05 | 685 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 686 | { |
GregCr | 0:e6ceb13d2d05 | 687 | this->settings.FskPacketHandler.NbBytes = 0; |
Helmut Tschemernjak | 50:43f7160e869c | 688 | this->settings.FskPacketHandler.Size = size + hsize; |
GregCr | 0:e6ceb13d2d05 | 689 | |
GregCr | 0:e6ceb13d2d05 | 690 | if( this->settings.Fsk.FixLen == false ) |
GregCr | 0:e6ceb13d2d05 | 691 | { |
Helmut Tschemernjak | 50:43f7160e869c | 692 | uint8_t tmpsize = size + hsize; |
Helmut Tschemernjak | 50:43f7160e869c | 693 | WriteFifo( ( uint8_t* )&tmpsize, 1 ); |
GregCr | 0:e6ceb13d2d05 | 694 | } |
GregCr | 0:e6ceb13d2d05 | 695 | else |
GregCr | 0:e6ceb13d2d05 | 696 | { |
Helmut Tschemernjak | 50:43f7160e869c | 697 | Write( REG_PAYLOADLENGTH, size + hsize); |
Helmut Tschemernjak | 31:e50929bd3f32 | 698 | } |
mluis | 25:3778e6204cc1 | 699 | |
Helmut Tschemernjak | 50:43f7160e869c | 700 | if( ( size + hsize > 0 ) && ( size + hsize <= 64 ) ) |
GregCr | 0:e6ceb13d2d05 | 701 | { |
Helmut Tschemernjak | 50:43f7160e869c | 702 | this->settings.FskPacketHandler.ChunkSize = size + hsize; |
GregCr | 0:e6ceb13d2d05 | 703 | } |
GregCr | 0:e6ceb13d2d05 | 704 | else |
GregCr | 0:e6ceb13d2d05 | 705 | { |
Helmut Tschemernjak | 50:43f7160e869c | 706 | if (header) { |
Helmut Tschemernjak | 50:43f7160e869c | 707 | WriteFifo( header, hsize ); |
Helmut Tschemernjak | 50:43f7160e869c | 708 | memcpy( rxtxBuffer, header, hsize ); |
Helmut Tschemernjak | 50:43f7160e869c | 709 | } |
Helmut Tschemernjak | 51:aef3234bcb71 | 710 | memcpy( rxtxBuffer+hsize, (uint8_t *)buffer+hsize, size ); |
GregCr | 0:e6ceb13d2d05 | 711 | this->settings.FskPacketHandler.ChunkSize = 32; |
GregCr | 0:e6ceb13d2d05 | 712 | } |
GregCr | 0:e6ceb13d2d05 | 713 | |
GregCr | 0:e6ceb13d2d05 | 714 | // Write payload buffer |
Helmut Tschemernjak | 50:43f7160e869c | 715 | if (header) |
Helmut Tschemernjak | 50:43f7160e869c | 716 | WriteFifo( header, hsize ); |
GregCr | 0:e6ceb13d2d05 | 717 | WriteFifo( buffer, this->settings.FskPacketHandler.ChunkSize ); |
GregCr | 0:e6ceb13d2d05 | 718 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.ChunkSize; |
GregCr | 0:e6ceb13d2d05 | 719 | txTimeout = this->settings.Fsk.TxTimeout; |
GregCr | 0:e6ceb13d2d05 | 720 | } |
GregCr | 0:e6ceb13d2d05 | 721 | break; |
GregCr | 0:e6ceb13d2d05 | 722 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 723 | { |
GregCr | 0:e6ceb13d2d05 | 724 | if( this->settings.LoRa.IqInverted == true ) |
GregCr | 0:e6ceb13d2d05 | 725 | { |
GregCr | 0:e6ceb13d2d05 | 726 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_ON ) ); |
mluis | 22:7f3aab69cca9 | 727 | Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_ON ); |
GregCr | 0:e6ceb13d2d05 | 728 | } |
GregCr | 0:e6ceb13d2d05 | 729 | else |
GregCr | 0:e6ceb13d2d05 | 730 | { |
GregCr | 0:e6ceb13d2d05 | 731 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_OFF ) ); |
mluis | 22:7f3aab69cca9 | 732 | Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_OFF ); |
mluis | 25:3778e6204cc1 | 733 | } |
mluis | 25:3778e6204cc1 | 734 | |
Helmut Tschemernjak | 50:43f7160e869c | 735 | this->settings.LoRaPacketHandler.Size = size + hsize; |
GregCr | 0:e6ceb13d2d05 | 736 | |
GregCr | 0:e6ceb13d2d05 | 737 | // Initializes the payload size |
Helmut Tschemernjak | 50:43f7160e869c | 738 | Write( REG_LR_PAYLOADLENGTH, size + hsize); |
GregCr | 0:e6ceb13d2d05 | 739 | |
mluis | 25:3778e6204cc1 | 740 | // Full buffer used for Tx |
GregCr | 0:e6ceb13d2d05 | 741 | Write( REG_LR_FIFOTXBASEADDR, 0 ); |
GregCr | 0:e6ceb13d2d05 | 742 | Write( REG_LR_FIFOADDRPTR, 0 ); |
GregCr | 0:e6ceb13d2d05 | 743 | |
GregCr | 0:e6ceb13d2d05 | 744 | // FIFO operations can not take place in Sleep mode |
GregCr | 0:e6ceb13d2d05 | 745 | if( ( Read( REG_OPMODE ) & ~RF_OPMODE_MASK ) == RF_OPMODE_SLEEP ) |
GregCr | 0:e6ceb13d2d05 | 746 | { |
GregCr | 0:e6ceb13d2d05 | 747 | Standby( ); |
Helmut Tschemernjak | 64:b721e6ab656a | 748 | Sleep_ms( 1 ); |
GregCr | 0:e6ceb13d2d05 | 749 | } |
GregCr | 0:e6ceb13d2d05 | 750 | // Write payload buffer |
Helmut Tschemernjak | 50:43f7160e869c | 751 | if (header) |
Helmut Tschemernjak | 50:43f7160e869c | 752 | WriteFifo( header, hsize ); |
GregCr | 0:e6ceb13d2d05 | 753 | WriteFifo( buffer, size ); |
GregCr | 0:e6ceb13d2d05 | 754 | txTimeout = this->settings.LoRa.TxTimeout; |
GregCr | 0:e6ceb13d2d05 | 755 | } |
GregCr | 0:e6ceb13d2d05 | 756 | break; |
GregCr | 0:e6ceb13d2d05 | 757 | } |
GregCr | 0:e6ceb13d2d05 | 758 | |
GregCr | 0:e6ceb13d2d05 | 759 | Tx( txTimeout ); |
GregCr | 0:e6ceb13d2d05 | 760 | } |
GregCr | 0:e6ceb13d2d05 | 761 | |
GregCr | 0:e6ceb13d2d05 | 762 | void SX1276::Sleep( void ) |
GregCr | 0:e6ceb13d2d05 | 763 | { |
Helmut Tschemernjak | 44:544add59b26d | 764 | SetTimeout(TXTimeoutTimer, NULL); |
Helmut Tschemernjak | 44:544add59b26d | 765 | SetTimeout(RXTimeoutTimer, NULL); |
mluis | 22:7f3aab69cca9 | 766 | |
GregCr | 0:e6ceb13d2d05 | 767 | SetOpMode( RF_OPMODE_SLEEP ); |
mluis | 22:7f3aab69cca9 | 768 | this->settings.State = RF_IDLE; |
GregCr | 0:e6ceb13d2d05 | 769 | } |
GregCr | 0:e6ceb13d2d05 | 770 | |
GregCr | 0:e6ceb13d2d05 | 771 | void SX1276::Standby( void ) |
GregCr | 0:e6ceb13d2d05 | 772 | { |
Helmut Tschemernjak | 44:544add59b26d | 773 | SetTimeout(TXTimeoutTimer, NULL); |
Helmut Tschemernjak | 44:544add59b26d | 774 | SetTimeout(RXTimeoutTimer, NULL); |
mluis | 22:7f3aab69cca9 | 775 | |
GregCr | 0:e6ceb13d2d05 | 776 | SetOpMode( RF_OPMODE_STANDBY ); |
mluis | 22:7f3aab69cca9 | 777 | this->settings.State = RF_IDLE; |
GregCr | 0:e6ceb13d2d05 | 778 | } |
GregCr | 0:e6ceb13d2d05 | 779 | |
GregCr | 0:e6ceb13d2d05 | 780 | void SX1276::Rx( uint32_t timeout ) |
GregCr | 0:e6ceb13d2d05 | 781 | { |
GregCr | 0:e6ceb13d2d05 | 782 | bool rxContinuous = false; |
mluis | 22:7f3aab69cca9 | 783 | |
GregCr | 0:e6ceb13d2d05 | 784 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 785 | { |
GregCr | 0:e6ceb13d2d05 | 786 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 787 | { |
GregCr | 0:e6ceb13d2d05 | 788 | rxContinuous = this->settings.Fsk.RxContinuous; |
mluis | 25:3778e6204cc1 | 789 | |
GregCr | 0:e6ceb13d2d05 | 790 | // DIO0=PayloadReady |
GregCr | 0:e6ceb13d2d05 | 791 | // DIO1=FifoLevel |
GregCr | 0:e6ceb13d2d05 | 792 | // DIO2=SyncAddr |
GregCr | 0:e6ceb13d2d05 | 793 | // DIO3=FifoEmpty |
GregCr | 0:e6ceb13d2d05 | 794 | // DIO4=Preamble |
GregCr | 0:e6ceb13d2d05 | 795 | // DIO5=ModeReady |
mluis | 22:7f3aab69cca9 | 796 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK & |
GregCr | 23:1e143575df0f | 797 | RF_DIOMAPPING1_DIO1_MASK & |
GregCr | 0:e6ceb13d2d05 | 798 | RF_DIOMAPPING1_DIO2_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 799 | RF_DIOMAPPING1_DIO0_00 | |
mluis | 25:3778e6204cc1 | 800 | RF_DIOMAPPING1_DIO1_00 | |
GregCr | 0:e6ceb13d2d05 | 801 | RF_DIOMAPPING1_DIO2_11 ); |
mluis | 25:3778e6204cc1 | 802 | |
GregCr | 0:e6ceb13d2d05 | 803 | Write( REG_DIOMAPPING2, ( Read( REG_DIOMAPPING2 ) & RF_DIOMAPPING2_DIO4_MASK & |
mluis | 25:3778e6204cc1 | 804 | RF_DIOMAPPING2_MAP_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 805 | RF_DIOMAPPING2_DIO4_11 | |
GregCr | 0:e6ceb13d2d05 | 806 | RF_DIOMAPPING2_MAP_PREAMBLEDETECT ); |
mluis | 25:3778e6204cc1 | 807 | |
GregCr | 0:e6ceb13d2d05 | 808 | this->settings.FskPacketHandler.FifoThresh = Read( REG_FIFOTHRESH ) & 0x3F; |
mluis | 25:3778e6204cc1 | 809 | |
mluis | 25:3778e6204cc1 | 810 | Write( REG_RXCONFIG, RF_RXCONFIG_AFCAUTO_ON | RF_RXCONFIG_AGCAUTO_ON | RF_RXCONFIG_RXTRIGER_PREAMBLEDETECT ); |
mluis | 25:3778e6204cc1 | 811 | |
GregCr | 0:e6ceb13d2d05 | 812 | this->settings.FskPacketHandler.PreambleDetected = false; |
GregCr | 0:e6ceb13d2d05 | 813 | this->settings.FskPacketHandler.SyncWordDetected = false; |
GregCr | 0:e6ceb13d2d05 | 814 | this->settings.FskPacketHandler.NbBytes = 0; |
GregCr | 0:e6ceb13d2d05 | 815 | this->settings.FskPacketHandler.Size = 0; |
GregCr | 0:e6ceb13d2d05 | 816 | } |
GregCr | 0:e6ceb13d2d05 | 817 | break; |
GregCr | 0:e6ceb13d2d05 | 818 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 819 | { |
GregCr | 0:e6ceb13d2d05 | 820 | if( this->settings.LoRa.IqInverted == true ) |
GregCr | 0:e6ceb13d2d05 | 821 | { |
GregCr | 0:e6ceb13d2d05 | 822 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_ON | RFLR_INVERTIQ_TX_OFF ) ); |
mluis | 22:7f3aab69cca9 | 823 | Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_ON ); |
GregCr | 0:e6ceb13d2d05 | 824 | } |
GregCr | 0:e6ceb13d2d05 | 825 | else |
GregCr | 0:e6ceb13d2d05 | 826 | { |
GregCr | 0:e6ceb13d2d05 | 827 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_OFF ) ); |
mluis | 22:7f3aab69cca9 | 828 | Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_OFF ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 829 | } |
mluis | 22:7f3aab69cca9 | 830 | |
mluis | 22:7f3aab69cca9 | 831 | // ERRATA 2.3 - Receiver Spurious Reception of a LoRa Signal |
Helmut Tschemernjak | 33:5db0d1e716b1 | 832 | if( this->settings.LoRa.Bandwidth < LORA_BANKWIDTH_500kHz ) |
mluis | 22:7f3aab69cca9 | 833 | { |
mluis | 22:7f3aab69cca9 | 834 | Write( REG_LR_DETECTOPTIMIZE, Read( REG_LR_DETECTOPTIMIZE ) & 0x7F ); |
mluis | 22:7f3aab69cca9 | 835 | Write( REG_LR_TEST30, 0x00 ); |
mluis | 22:7f3aab69cca9 | 836 | switch( this->settings.LoRa.Bandwidth ) |
mluis | 22:7f3aab69cca9 | 837 | { |
Helmut Tschemernjak | 33:5db0d1e716b1 | 838 | case LORA_BANKWIDTH_7kHz: // 7.8 kHz |
mluis | 22:7f3aab69cca9 | 839 | Write( REG_LR_TEST2F, 0x48 ); |
mluis | 22:7f3aab69cca9 | 840 | SetChannel(this->settings.Channel + 7.81e3 ); |
mluis | 22:7f3aab69cca9 | 841 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 842 | case LORA_BANKWIDTH_10kHz: // 10.4 kHz |
mluis | 22:7f3aab69cca9 | 843 | Write( REG_LR_TEST2F, 0x44 ); |
mluis | 22:7f3aab69cca9 | 844 | SetChannel(this->settings.Channel + 10.42e3 ); |
mluis | 22:7f3aab69cca9 | 845 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 846 | case LORA_BANKWIDTH_15kHz: // 15.6 kHz |
mluis | 22:7f3aab69cca9 | 847 | Write( REG_LR_TEST2F, 0x44 ); |
mluis | 22:7f3aab69cca9 | 848 | SetChannel(this->settings.Channel + 15.62e3 ); |
mluis | 22:7f3aab69cca9 | 849 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 850 | case LORA_BANKWIDTH_20kHz: // 20.8 kHz |
mluis | 22:7f3aab69cca9 | 851 | Write( REG_LR_TEST2F, 0x44 ); |
mluis | 22:7f3aab69cca9 | 852 | SetChannel(this->settings.Channel + 20.83e3 ); |
mluis | 22:7f3aab69cca9 | 853 | break; |
Helmut Tschemernjak | 83:019da451b283 | 854 | case LORA_BANKWIDTH_31kHz: // 31.25 kHz |
mluis | 22:7f3aab69cca9 | 855 | Write( REG_LR_TEST2F, 0x44 ); |
mluis | 22:7f3aab69cca9 | 856 | SetChannel(this->settings.Channel + 31.25e3 ); |
mluis | 22:7f3aab69cca9 | 857 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 858 | case LORA_BANKWIDTH_41kHz: // 41.4 kHz |
mluis | 22:7f3aab69cca9 | 859 | Write( REG_LR_TEST2F, 0x44 ); |
mluis | 22:7f3aab69cca9 | 860 | SetChannel(this->settings.Channel + 41.67e3 ); |
mluis | 22:7f3aab69cca9 | 861 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 862 | case LORA_BANKWIDTH_62kHz: // 62.5 kHz |
mluis | 22:7f3aab69cca9 | 863 | Write( REG_LR_TEST2F, 0x40 ); |
mluis | 22:7f3aab69cca9 | 864 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 865 | case LORA_BANKWIDTH_125kHz: // 125 kHz |
mluis | 22:7f3aab69cca9 | 866 | Write( REG_LR_TEST2F, 0x40 ); |
mluis | 22:7f3aab69cca9 | 867 | break; |
Helmut Tschemernjak | 33:5db0d1e716b1 | 868 | case LORA_BANKWIDTH_250kHz: // 250 kHz |
mluis | 22:7f3aab69cca9 | 869 | Write( REG_LR_TEST2F, 0x40 ); |
mluis | 22:7f3aab69cca9 | 870 | break; |
mluis | 22:7f3aab69cca9 | 871 | } |
mluis | 22:7f3aab69cca9 | 872 | } |
mluis | 22:7f3aab69cca9 | 873 | else |
mluis | 22:7f3aab69cca9 | 874 | { |
mluis | 22:7f3aab69cca9 | 875 | Write( REG_LR_DETECTOPTIMIZE, Read( REG_LR_DETECTOPTIMIZE ) | 0x80 ); |
mluis | 22:7f3aab69cca9 | 876 | } |
mluis | 22:7f3aab69cca9 | 877 | |
GregCr | 0:e6ceb13d2d05 | 878 | rxContinuous = this->settings.LoRa.RxContinuous; |
mluis | 25:3778e6204cc1 | 879 | |
GregCr | 6:e7f02929cd3d | 880 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 881 | { |
GregCr | 6:e7f02929cd3d | 882 | Write( REG_LR_IRQFLAGSMASK, //RFLR_IRQFLAGS_RXTIMEOUT | |
mluis | 22:7f3aab69cca9 | 883 | //RFLR_IRQFLAGS_RXDONE | |
mluis | 22:7f3aab69cca9 | 884 | //RFLR_IRQFLAGS_PAYLOADCRCERROR | |
mluis | 22:7f3aab69cca9 | 885 | RFLR_IRQFLAGS_VALIDHEADER | |
mluis | 22:7f3aab69cca9 | 886 | RFLR_IRQFLAGS_TXDONE | |
mluis | 22:7f3aab69cca9 | 887 | RFLR_IRQFLAGS_CADDONE | |
mluis | 22:7f3aab69cca9 | 888 | //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
mluis | 22:7f3aab69cca9 | 889 | RFLR_IRQFLAGS_CADDETECTED ); |
mluis | 25:3778e6204cc1 | 890 | |
mluis | 13:618826a997e2 | 891 | // DIO0=RxDone, DIO2=FhssChangeChannel |
mluis | 13:618826a997e2 | 892 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK & RFLR_DIOMAPPING1_DIO2_MASK ) | RFLR_DIOMAPPING1_DIO0_00 | RFLR_DIOMAPPING1_DIO2_00 ); |
GregCr | 6:e7f02929cd3d | 893 | } |
GregCr | 6:e7f02929cd3d | 894 | else |
GregCr | 6:e7f02929cd3d | 895 | { |
GregCr | 6:e7f02929cd3d | 896 | Write( REG_LR_IRQFLAGSMASK, //RFLR_IRQFLAGS_RXTIMEOUT | |
mluis | 22:7f3aab69cca9 | 897 | //RFLR_IRQFLAGS_RXDONE | |
mluis | 22:7f3aab69cca9 | 898 | //RFLR_IRQFLAGS_PAYLOADCRCERROR | |
mluis | 22:7f3aab69cca9 | 899 | RFLR_IRQFLAGS_VALIDHEADER | |
mluis | 22:7f3aab69cca9 | 900 | RFLR_IRQFLAGS_TXDONE | |
mluis | 22:7f3aab69cca9 | 901 | RFLR_IRQFLAGS_CADDONE | |
mluis | 22:7f3aab69cca9 | 902 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
mluis | 22:7f3aab69cca9 | 903 | RFLR_IRQFLAGS_CADDETECTED ); |
mluis | 25:3778e6204cc1 | 904 | |
GregCr | 6:e7f02929cd3d | 905 | // DIO0=RxDone |
GregCr | 6:e7f02929cd3d | 906 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_00 ); |
GregCr | 6:e7f02929cd3d | 907 | } |
GregCr | 0:e6ceb13d2d05 | 908 | Write( REG_LR_FIFORXBASEADDR, 0 ); |
GregCr | 0:e6ceb13d2d05 | 909 | Write( REG_LR_FIFOADDRPTR, 0 ); |
GregCr | 0:e6ceb13d2d05 | 910 | } |
GregCr | 0:e6ceb13d2d05 | 911 | break; |
GregCr | 0:e6ceb13d2d05 | 912 | } |
Helmut Tschemernjak | 58:113d2ef978d2 | 913 | |
mluis | 21:2e496deb7858 | 914 | this->settings.State = RF_RX_RUNNING; |
GregCr | 0:e6ceb13d2d05 | 915 | if( timeout != 0 ) |
GregCr | 0:e6ceb13d2d05 | 916 | { |
Helmut Tschemernjak | 44:544add59b26d | 917 | SetTimeout(RXTimeoutTimer, &SX1276::OnTimeoutIrq, timeout * 1e3); |
GregCr | 0:e6ceb13d2d05 | 918 | } |
GregCr | 0:e6ceb13d2d05 | 919 | |
GregCr | 0:e6ceb13d2d05 | 920 | if( this->settings.Modem == MODEM_FSK ) |
GregCr | 0:e6ceb13d2d05 | 921 | { |
GregCr | 0:e6ceb13d2d05 | 922 | SetOpMode( RF_OPMODE_RECEIVER ); |
mluis | 25:3778e6204cc1 | 923 | |
GregCr | 0:e6ceb13d2d05 | 924 | if( rxContinuous == false ) |
GregCr | 0:e6ceb13d2d05 | 925 | { |
Helmut Tschemernjak | 53:6d3adad59633 | 926 | SetTimeout(RXTimeoutSyncWordTimer, &SX1276::OnTimeoutIrq, this->settings.Fsk.RxSingleTimeout * 1e3); |
GregCr | 0:e6ceb13d2d05 | 927 | } |
GregCr | 0:e6ceb13d2d05 | 928 | } |
GregCr | 0:e6ceb13d2d05 | 929 | else |
GregCr | 0:e6ceb13d2d05 | 930 | { |
GregCr | 0:e6ceb13d2d05 | 931 | if( rxContinuous == true ) |
GregCr | 0:e6ceb13d2d05 | 932 | { |
GregCr | 0:e6ceb13d2d05 | 933 | SetOpMode( RFLR_OPMODE_RECEIVER ); |
GregCr | 0:e6ceb13d2d05 | 934 | } |
GregCr | 0:e6ceb13d2d05 | 935 | else |
GregCr | 0:e6ceb13d2d05 | 936 | { |
GregCr | 0:e6ceb13d2d05 | 937 | SetOpMode( RFLR_OPMODE_RECEIVER_SINGLE ); |
GregCr | 0:e6ceb13d2d05 | 938 | } |
GregCr | 0:e6ceb13d2d05 | 939 | } |
GregCr | 0:e6ceb13d2d05 | 940 | } |
GregCr | 0:e6ceb13d2d05 | 941 | |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 942 | bool SX1276::RxSignalPending() |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 943 | { |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 944 | if (this->settings.State != RF_RX_RUNNING) |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 945 | return false; |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 946 | |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 947 | switch( this->settings.Modem ) |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 948 | { |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 949 | case MODEM_FSK: |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 950 | break; |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 951 | case MODEM_LORA: |
Helmut Tschemernjak | 81:d288917af0ce | 952 | if (Read(REG_LR_MODEMSTAT) & (RFLR_MODEMSTAT_SIGNAL_DETECTED|RFLR_MODEMSTAT_SIGNAL_SYNCRONIZED|RFLR_MODEMSTAT_HEADERINFO_VALID|RFLR_MODEMSTAT_MODEM_CLEAR)) |
Helmut Tschemernjak | 81:d288917af0ce | 953 | return true; |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 954 | break; |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 955 | } |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 956 | return false; |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 957 | } |
Helmut Tschemernjak | 54:0d8ea87fbab9 | 958 | |
GregCr | 0:e6ceb13d2d05 | 959 | void SX1276::Tx( uint32_t timeout ) |
mluis | 22:7f3aab69cca9 | 960 | { |
mluis | 22:7f3aab69cca9 | 961 | |
GregCr | 0:e6ceb13d2d05 | 962 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 963 | { |
GregCr | 0:e6ceb13d2d05 | 964 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 965 | { |
GregCr | 0:e6ceb13d2d05 | 966 | // DIO0=PacketSent |
GregCr | 23:1e143575df0f | 967 | // DIO1=FifoEmpty |
GregCr | 0:e6ceb13d2d05 | 968 | // DIO2=FifoFull |
GregCr | 0:e6ceb13d2d05 | 969 | // DIO3=FifoEmpty |
GregCr | 0:e6ceb13d2d05 | 970 | // DIO4=LowBat |
GregCr | 0:e6ceb13d2d05 | 971 | // DIO5=ModeReady |
mluis | 22:7f3aab69cca9 | 972 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK & |
Helmut Tschemernjak | 31:e50929bd3f32 | 973 | RF_DIOMAPPING1_DIO1_MASK & |
Helmut Tschemernjak | 31:e50929bd3f32 | 974 | RF_DIOMAPPING1_DIO2_MASK ) | |
Helmut Tschemernjak | 31:e50929bd3f32 | 975 | RF_DIOMAPPING1_DIO1_01 ); |
GregCr | 0:e6ceb13d2d05 | 976 | |
GregCr | 0:e6ceb13d2d05 | 977 | Write( REG_DIOMAPPING2, ( Read( REG_DIOMAPPING2 ) & RF_DIOMAPPING2_DIO4_MASK & |
GregCr | 0:e6ceb13d2d05 | 978 | RF_DIOMAPPING2_MAP_MASK ) ); |
GregCr | 0:e6ceb13d2d05 | 979 | this->settings.FskPacketHandler.FifoThresh = Read( REG_FIFOTHRESH ) & 0x3F; |
GregCr | 0:e6ceb13d2d05 | 980 | } |
GregCr | 0:e6ceb13d2d05 | 981 | break; |
GregCr | 0:e6ceb13d2d05 | 982 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 983 | { |
GregCr | 6:e7f02929cd3d | 984 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 985 | { |
GregCr | 6:e7f02929cd3d | 986 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
mluis | 22:7f3aab69cca9 | 987 | RFLR_IRQFLAGS_RXDONE | |
mluis | 22:7f3aab69cca9 | 988 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
mluis | 22:7f3aab69cca9 | 989 | RFLR_IRQFLAGS_VALIDHEADER | |
mluis | 22:7f3aab69cca9 | 990 | //RFLR_IRQFLAGS_TXDONE | |
mluis | 22:7f3aab69cca9 | 991 | RFLR_IRQFLAGS_CADDONE | |
mluis | 22:7f3aab69cca9 | 992 | //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
mluis | 22:7f3aab69cca9 | 993 | RFLR_IRQFLAGS_CADDETECTED ); |
mluis | 25:3778e6204cc1 | 994 | |
mluis | 22:7f3aab69cca9 | 995 | // DIO0=TxDone, DIO2=FhssChangeChannel |
mluis | 22:7f3aab69cca9 | 996 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK & RFLR_DIOMAPPING1_DIO2_MASK ) | RFLR_DIOMAPPING1_DIO0_01 | RFLR_DIOMAPPING1_DIO2_00 ); |
GregCr | 6:e7f02929cd3d | 997 | } |
GregCr | 6:e7f02929cd3d | 998 | else |
GregCr | 6:e7f02929cd3d | 999 | { |
GregCr | 6:e7f02929cd3d | 1000 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
mluis | 22:7f3aab69cca9 | 1001 | RFLR_IRQFLAGS_RXDONE | |
mluis | 22:7f3aab69cca9 | 1002 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
mluis | 22:7f3aab69cca9 | 1003 | RFLR_IRQFLAGS_VALIDHEADER | |
mluis | 22:7f3aab69cca9 | 1004 | //RFLR_IRQFLAGS_TXDONE | |
mluis | 22:7f3aab69cca9 | 1005 | RFLR_IRQFLAGS_CADDONE | |
mluis | 22:7f3aab69cca9 | 1006 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
mluis | 22:7f3aab69cca9 | 1007 | RFLR_IRQFLAGS_CADDETECTED ); |
mluis | 22:7f3aab69cca9 | 1008 | |
GregCr | 6:e7f02929cd3d | 1009 | // DIO0=TxDone |
mluis | 22:7f3aab69cca9 | 1010 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_01 ); |
GregCr | 6:e7f02929cd3d | 1011 | } |
GregCr | 0:e6ceb13d2d05 | 1012 | } |
GregCr | 0:e6ceb13d2d05 | 1013 | break; |
GregCr | 0:e6ceb13d2d05 | 1014 | } |
GregCr | 0:e6ceb13d2d05 | 1015 | |
mluis | 21:2e496deb7858 | 1016 | this->settings.State = RF_TX_RUNNING; |
Helmut Tschemernjak | 44:544add59b26d | 1017 | SetTimeout(TXTimeoutTimer, &SX1276::OnTimeoutIrq, timeout * 1e3); |
GregCr | 0:e6ceb13d2d05 | 1018 | SetOpMode( RF_OPMODE_TRANSMITTER ); |
GregCr | 0:e6ceb13d2d05 | 1019 | } |
GregCr | 0:e6ceb13d2d05 | 1020 | |
GregCr | 7:2b555111463f | 1021 | void SX1276::StartCad( void ) |
GregCr | 0:e6ceb13d2d05 | 1022 | { |
GregCr | 7:2b555111463f | 1023 | switch( this->settings.Modem ) |
GregCr | 7:2b555111463f | 1024 | { |
GregCr | 7:2b555111463f | 1025 | case MODEM_FSK: |
GregCr | 7:2b555111463f | 1026 | { |
mluis | 25:3778e6204cc1 | 1027 | |
GregCr | 7:2b555111463f | 1028 | } |
GregCr | 7:2b555111463f | 1029 | break; |
GregCr | 7:2b555111463f | 1030 | case MODEM_LORA: |
GregCr | 7:2b555111463f | 1031 | { |
GregCr | 7:2b555111463f | 1032 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
GregCr | 7:2b555111463f | 1033 | RFLR_IRQFLAGS_RXDONE | |
GregCr | 7:2b555111463f | 1034 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
GregCr | 7:2b555111463f | 1035 | RFLR_IRQFLAGS_VALIDHEADER | |
GregCr | 7:2b555111463f | 1036 | RFLR_IRQFLAGS_TXDONE | |
GregCr | 7:2b555111463f | 1037 | //RFLR_IRQFLAGS_CADDONE | |
GregCr | 12:aa5b3bf7fdf4 | 1038 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL // | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1039 | //RFLR_IRQFLAGS_CADDETECTED |
GregCr | 12:aa5b3bf7fdf4 | 1040 | ); |
mluis | 25:3778e6204cc1 | 1041 | |
GregCr | 7:2b555111463f | 1042 | // DIO3=CADDone |
Helmut Tschemernjak | 31:e50929bd3f32 | 1043 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO3_MASK ) | RFLR_DIOMAPPING1_DIO3_00 ); |
mluis | 25:3778e6204cc1 | 1044 | |
mluis | 21:2e496deb7858 | 1045 | this->settings.State = RF_CAD; |
GregCr | 7:2b555111463f | 1046 | SetOpMode( RFLR_OPMODE_CAD ); |
GregCr | 7:2b555111463f | 1047 | } |
GregCr | 7:2b555111463f | 1048 | break; |
GregCr | 7:2b555111463f | 1049 | default: |
GregCr | 7:2b555111463f | 1050 | break; |
GregCr | 7:2b555111463f | 1051 | } |
GregCr | 7:2b555111463f | 1052 | } |
GregCr | 7:2b555111463f | 1053 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1054 | void SX1276::SetTxContinuousWave( uint32_t freq, int8_t power, uint16_t time ) |
Helmut Tschemernjak | 31:e50929bd3f32 | 1055 | { |
Helmut Tschemernjak | 31:e50929bd3f32 | 1056 | uint32_t timeout = ( uint32_t )( time * 1e6 ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1057 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1058 | SetChannel( freq ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1059 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1060 | SetTxConfig( MODEM_FSK, power, 0, 0, 4800, 0, 5, false, false, 0, 0, 0, timeout ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1061 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1062 | Write( REG_PACKETCONFIG2, ( Read( REG_PACKETCONFIG2 ) & RF_PACKETCONFIG2_DATAMODE_MASK ) ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1063 | // Disable radio interrupts |
Helmut Tschemernjak | 31:e50929bd3f32 | 1064 | Write( REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_11 | RF_DIOMAPPING1_DIO1_11 ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1065 | Write( REG_DIOMAPPING2, RF_DIOMAPPING2_DIO4_10 | RF_DIOMAPPING2_DIO5_10 ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1066 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1067 | this->settings.State = RF_TX_RUNNING; |
Helmut Tschemernjak | 44:544add59b26d | 1068 | SetTimeout(TXTimeoutTimer, &SX1276::OnTimeoutIrq, timeout); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1069 | SetOpMode( RF_OPMODE_TRANSMITTER ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1070 | } |
Helmut Tschemernjak | 31:e50929bd3f32 | 1071 | |
Helmut Tschemernjak | 50:43f7160e869c | 1072 | int16_t SX1276::MaxMTUSize( RadioModems_t modem ) |
Helmut Tschemernjak | 50:43f7160e869c | 1073 | { |
Helmut Tschemernjak | 50:43f7160e869c | 1074 | int16_t mtuSize = 0; |
Helmut Tschemernjak | 50:43f7160e869c | 1075 | |
Helmut Tschemernjak | 50:43f7160e869c | 1076 | switch( modem ) |
Helmut Tschemernjak | 50:43f7160e869c | 1077 | { |
Helmut Tschemernjak | 50:43f7160e869c | 1078 | case MODEM_FSK: |
Helmut Tschemernjak | 50:43f7160e869c | 1079 | mtuSize = RX_BUFFER_SIZE; |
Helmut Tschemernjak | 50:43f7160e869c | 1080 | case MODEM_LORA: |
Helmut Tschemernjak | 50:43f7160e869c | 1081 | mtuSize = RX_BUFFER_SIZE; |
Helmut Tschemernjak | 50:43f7160e869c | 1082 | break; |
Helmut Tschemernjak | 50:43f7160e869c | 1083 | default: |
Helmut Tschemernjak | 50:43f7160e869c | 1084 | mtuSize = -1; |
Helmut Tschemernjak | 50:43f7160e869c | 1085 | break; |
Helmut Tschemernjak | 50:43f7160e869c | 1086 | } |
Helmut Tschemernjak | 50:43f7160e869c | 1087 | return mtuSize; |
Helmut Tschemernjak | 50:43f7160e869c | 1088 | } |
Helmut Tschemernjak | 50:43f7160e869c | 1089 | |
mluis | 22:7f3aab69cca9 | 1090 | int16_t SX1276::GetRssi( RadioModems_t modem ) |
GregCr | 7:2b555111463f | 1091 | { |
GregCr | 7:2b555111463f | 1092 | int16_t rssi = 0; |
GregCr | 0:e6ceb13d2d05 | 1093 | |
GregCr | 0:e6ceb13d2d05 | 1094 | switch( modem ) |
GregCr | 0:e6ceb13d2d05 | 1095 | { |
GregCr | 0:e6ceb13d2d05 | 1096 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1097 | rssi = -( Read( REG_RSSIVALUE ) >> 1 ); |
GregCr | 0:e6ceb13d2d05 | 1098 | break; |
GregCr | 0:e6ceb13d2d05 | 1099 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1100 | if( this->settings.Channel > RF_MID_BAND_THRESH ) |
GregCr | 0:e6ceb13d2d05 | 1101 | { |
GregCr | 0:e6ceb13d2d05 | 1102 | rssi = RSSI_OFFSET_HF + Read( REG_LR_RSSIVALUE ); |
GregCr | 0:e6ceb13d2d05 | 1103 | } |
GregCr | 0:e6ceb13d2d05 | 1104 | else |
GregCr | 0:e6ceb13d2d05 | 1105 | { |
GregCr | 0:e6ceb13d2d05 | 1106 | rssi = RSSI_OFFSET_LF + Read( REG_LR_RSSIVALUE ); |
GregCr | 0:e6ceb13d2d05 | 1107 | } |
GregCr | 0:e6ceb13d2d05 | 1108 | break; |
GregCr | 0:e6ceb13d2d05 | 1109 | default: |
GregCr | 0:e6ceb13d2d05 | 1110 | rssi = -1; |
GregCr | 0:e6ceb13d2d05 | 1111 | break; |
GregCr | 0:e6ceb13d2d05 | 1112 | } |
GregCr | 0:e6ceb13d2d05 | 1113 | return rssi; |
GregCr | 0:e6ceb13d2d05 | 1114 | } |
GregCr | 0:e6ceb13d2d05 | 1115 | |
Helmut Tschemernjak | 83:019da451b283 | 1116 | int32_t SX1276::GetFrequencyError(RadioModems_t modem ) |
Helmut Tschemernjak | 83:019da451b283 | 1117 | { |
Helmut Tschemernjak | 83:019da451b283 | 1118 | int32_t val = 0; |
Helmut Tschemernjak | 83:019da451b283 | 1119 | |
Helmut Tschemernjak | 83:019da451b283 | 1120 | if (modem != MODEM_LORA) |
Helmut Tschemernjak | 83:019da451b283 | 1121 | return 0; |
Helmut Tschemernjak | 83:019da451b283 | 1122 | |
Helmut Tschemernjak | 83:019da451b283 | 1123 | val = (Read(REG_LR_FEIMSB) & 0b1111) << 16; // high word, 4 valid bits only |
Helmut Tschemernjak | 83:019da451b283 | 1124 | val |= (Read(REG_LR_FEIMID) << 8) | Read(REG_LR_FEILSB); // high byte, low byte |
Helmut Tschemernjak | 83:019da451b283 | 1125 | if (val & 0x8000) //sconvert ign bit |
Helmut Tschemernjak | 83:019da451b283 | 1126 | val |= 0xfff00000; |
Helmut Tschemernjak | 83:019da451b283 | 1127 | |
Helmut Tschemernjak | 83:019da451b283 | 1128 | int32_t bandwidth = 0; |
Helmut Tschemernjak | 83:019da451b283 | 1129 | for (int i = 0; i < (int)(sizeof(LoRaBandwidths) / sizeof(BandwidthMap)) -1; i++ ) { |
Helmut Tschemernjak | 83:019da451b283 | 1130 | if (LoRaBandwidths[i].RegValue == this->settings.LoRa.Bandwidth) { |
Helmut Tschemernjak | 83:019da451b283 | 1131 | bandwidth = LoRaBandwidths[i].bandwidth; |
Helmut Tschemernjak | 83:019da451b283 | 1132 | break; |
Helmut Tschemernjak | 83:019da451b283 | 1133 | } |
Helmut Tschemernjak | 83:019da451b283 | 1134 | } |
Helmut Tschemernjak | 83:019da451b283 | 1135 | if (!bandwidth) |
Helmut Tschemernjak | 83:019da451b283 | 1136 | return 0; |
Helmut Tschemernjak | 83:019da451b283 | 1137 | |
Helmut Tschemernjak | 83:019da451b283 | 1138 | float bandWidthkHz = (float)bandwidth/1000; |
Helmut Tschemernjak | 83:019da451b283 | 1139 | |
Helmut Tschemernjak | 83:019da451b283 | 1140 | int32_t hz = (((float)val * (float)(1<<24)) / ((float)XTAL_FREQ)) * (bandWidthkHz / 500.0); |
Helmut Tschemernjak | 83:019da451b283 | 1141 | |
Helmut Tschemernjak | 83:019da451b283 | 1142 | return hz; |
Helmut Tschemernjak | 83:019da451b283 | 1143 | } |
Helmut Tschemernjak | 83:019da451b283 | 1144 | |
Helmut Tschemernjak | 83:019da451b283 | 1145 | |
GregCr | 0:e6ceb13d2d05 | 1146 | void SX1276::SetOpMode( uint8_t opMode ) |
GregCr | 0:e6ceb13d2d05 | 1147 | { |
mluis | 25:3778e6204cc1 | 1148 | if( opMode == RF_OPMODE_SLEEP ) |
GregCr | 0:e6ceb13d2d05 | 1149 | { |
mluis | 25:3778e6204cc1 | 1150 | SetAntSwLowPower( true ); |
mluis | 25:3778e6204cc1 | 1151 | } |
mluis | 25:3778e6204cc1 | 1152 | else |
mluis | 25:3778e6204cc1 | 1153 | { |
mluis | 25:3778e6204cc1 | 1154 | SetAntSwLowPower( false ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1155 | SetAntSw( opMode ); |
GregCr | 0:e6ceb13d2d05 | 1156 | } |
mluis | 25:3778e6204cc1 | 1157 | Write( REG_OPMODE, ( Read( REG_OPMODE ) & RF_OPMODE_MASK ) | opMode ); |
GregCr | 0:e6ceb13d2d05 | 1158 | } |
GregCr | 0:e6ceb13d2d05 | 1159 | |
mluis | 22:7f3aab69cca9 | 1160 | void SX1276::SetModem( RadioModems_t modem ) |
GregCr | 0:e6ceb13d2d05 | 1161 | { |
Helmut Tschemernjak | 31:e50929bd3f32 | 1162 | if( ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_ON ) != 0 ) |
Helmut Tschemernjak | 31:e50929bd3f32 | 1163 | { |
Helmut Tschemernjak | 31:e50929bd3f32 | 1164 | this->settings.Modem = MODEM_LORA; |
Helmut Tschemernjak | 31:e50929bd3f32 | 1165 | } |
Helmut Tschemernjak | 31:e50929bd3f32 | 1166 | else |
Helmut Tschemernjak | 31:e50929bd3f32 | 1167 | { |
Helmut Tschemernjak | 31:e50929bd3f32 | 1168 | this->settings.Modem = MODEM_FSK; |
Helmut Tschemernjak | 31:e50929bd3f32 | 1169 | } |
Helmut Tschemernjak | 31:e50929bd3f32 | 1170 | |
mluis | 22:7f3aab69cca9 | 1171 | if( this->settings.Modem == modem ) |
mluis | 22:7f3aab69cca9 | 1172 | { |
mluis | 22:7f3aab69cca9 | 1173 | return; |
mluis | 22:7f3aab69cca9 | 1174 | } |
mluis | 22:7f3aab69cca9 | 1175 | |
mluis | 22:7f3aab69cca9 | 1176 | this->settings.Modem = modem; |
mluis | 22:7f3aab69cca9 | 1177 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1178 | { |
mluis | 22:7f3aab69cca9 | 1179 | default: |
mluis | 22:7f3aab69cca9 | 1180 | case MODEM_FSK: |
Helmut Tschemernjak | 31:e50929bd3f32 | 1181 | Sleep( ); |
mluis | 22:7f3aab69cca9 | 1182 | Write( REG_OPMODE, ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_OFF ); |
mluis | 22:7f3aab69cca9 | 1183 | |
mluis | 22:7f3aab69cca9 | 1184 | Write( REG_DIOMAPPING1, 0x00 ); |
mluis | 22:7f3aab69cca9 | 1185 | Write( REG_DIOMAPPING2, 0x30 ); // DIO5=ModeReady |
mluis | 22:7f3aab69cca9 | 1186 | break; |
mluis | 22:7f3aab69cca9 | 1187 | case MODEM_LORA: |
Helmut Tschemernjak | 31:e50929bd3f32 | 1188 | Sleep( ); |
mluis | 22:7f3aab69cca9 | 1189 | Write( REG_OPMODE, ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_ON ); |
mluis | 22:7f3aab69cca9 | 1190 | |
mluis | 22:7f3aab69cca9 | 1191 | Write( REG_DIOMAPPING1, 0x00 ); |
mluis | 22:7f3aab69cca9 | 1192 | Write( REG_DIOMAPPING2, 0x00 ); |
mluis | 22:7f3aab69cca9 | 1193 | break; |
GregCr | 0:e6ceb13d2d05 | 1194 | } |
GregCr | 0:e6ceb13d2d05 | 1195 | } |
GregCr | 0:e6ceb13d2d05 | 1196 | |
mluis | 22:7f3aab69cca9 | 1197 | void SX1276::SetMaxPayloadLength( RadioModems_t modem, uint8_t max ) |
mluis | 20:e05596ba4166 | 1198 | { |
mluis | 20:e05596ba4166 | 1199 | this->SetModem( modem ); |
mluis | 20:e05596ba4166 | 1200 | |
mluis | 20:e05596ba4166 | 1201 | switch( modem ) |
mluis | 20:e05596ba4166 | 1202 | { |
mluis | 20:e05596ba4166 | 1203 | case MODEM_FSK: |
mluis | 20:e05596ba4166 | 1204 | if( this->settings.Fsk.FixLen == false ) |
mluis | 20:e05596ba4166 | 1205 | { |
mluis | 20:e05596ba4166 | 1206 | this->Write( REG_PAYLOADLENGTH, max ); |
mluis | 20:e05596ba4166 | 1207 | } |
mluis | 20:e05596ba4166 | 1208 | break; |
mluis | 20:e05596ba4166 | 1209 | case MODEM_LORA: |
mluis | 20:e05596ba4166 | 1210 | this->Write( REG_LR_PAYLOADMAXLENGTH, max ); |
mluis | 20:e05596ba4166 | 1211 | break; |
mluis | 20:e05596ba4166 | 1212 | } |
mluis | 20:e05596ba4166 | 1213 | } |
mluis | 20:e05596ba4166 | 1214 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1215 | void SX1276::SetPublicNetwork( bool enable ) |
Helmut Tschemernjak | 31:e50929bd3f32 | 1216 | { |
Helmut Tschemernjak | 31:e50929bd3f32 | 1217 | SetModem( MODEM_LORA ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1218 | this->settings.LoRa.PublicNetwork = enable; |
Helmut Tschemernjak | 31:e50929bd3f32 | 1219 | if( enable == true ) |
Helmut Tschemernjak | 31:e50929bd3f32 | 1220 | { |
Helmut Tschemernjak | 31:e50929bd3f32 | 1221 | // Change LoRa modem SyncWord |
Helmut Tschemernjak | 31:e50929bd3f32 | 1222 | Write( REG_LR_SYNCWORD, LORA_MAC_PUBLIC_SYNCWORD ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1223 | } |
Helmut Tschemernjak | 31:e50929bd3f32 | 1224 | else |
Helmut Tschemernjak | 31:e50929bd3f32 | 1225 | { |
Helmut Tschemernjak | 31:e50929bd3f32 | 1226 | // Change LoRa modem SyncWord |
Helmut Tschemernjak | 31:e50929bd3f32 | 1227 | Write( REG_LR_SYNCWORD, LORA_MAC_PRIVATE_SYNCWORD ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1228 | } |
Helmut Tschemernjak | 31:e50929bd3f32 | 1229 | } |
Helmut Tschemernjak | 31:e50929bd3f32 | 1230 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1231 | |
GregCr | 0:e6ceb13d2d05 | 1232 | void SX1276::OnTimeoutIrq( void ) |
GregCr | 0:e6ceb13d2d05 | 1233 | { |
GregCr | 0:e6ceb13d2d05 | 1234 | switch( this->settings.State ) |
GregCr | 0:e6ceb13d2d05 | 1235 | { |
mluis | 21:2e496deb7858 | 1236 | case RF_RX_RUNNING: |
GregCr | 0:e6ceb13d2d05 | 1237 | if( this->settings.Modem == MODEM_FSK ) |
GregCr | 0:e6ceb13d2d05 | 1238 | { |
GregCr | 0:e6ceb13d2d05 | 1239 | this->settings.FskPacketHandler.PreambleDetected = false; |
GregCr | 0:e6ceb13d2d05 | 1240 | this->settings.FskPacketHandler.SyncWordDetected = false; |
GregCr | 0:e6ceb13d2d05 | 1241 | this->settings.FskPacketHandler.NbBytes = 0; |
GregCr | 0:e6ceb13d2d05 | 1242 | this->settings.FskPacketHandler.Size = 0; |
GregCr | 0:e6ceb13d2d05 | 1243 | |
GregCr | 0:e6ceb13d2d05 | 1244 | // Clear Irqs |
Helmut Tschemernjak | 31:e50929bd3f32 | 1245 | Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI | |
GregCr | 0:e6ceb13d2d05 | 1246 | RF_IRQFLAGS1_PREAMBLEDETECT | |
GregCr | 0:e6ceb13d2d05 | 1247 | RF_IRQFLAGS1_SYNCADDRESSMATCH ); |
GregCr | 0:e6ceb13d2d05 | 1248 | Write( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN ); |
GregCr | 0:e6ceb13d2d05 | 1249 | |
GregCr | 0:e6ceb13d2d05 | 1250 | if( this->settings.Fsk.RxContinuous == true ) |
GregCr | 0:e6ceb13d2d05 | 1251 | { |
GregCr | 0:e6ceb13d2d05 | 1252 | // Continuous mode restart Rx chain |
GregCr | 0:e6ceb13d2d05 | 1253 | Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); |
Helmut Tschemernjak | 53:6d3adad59633 | 1254 | SetTimeout(RXTimeoutSyncWordTimer, &SX1276::OnTimeoutIrq, this->settings.Fsk.RxSingleTimeout * 1e3); |
GregCr | 0:e6ceb13d2d05 | 1255 | } |
GregCr | 0:e6ceb13d2d05 | 1256 | else |
GregCr | 0:e6ceb13d2d05 | 1257 | { |
mluis | 21:2e496deb7858 | 1258 | this->settings.State = RF_IDLE; |
Helmut Tschemernjak | 53:6d3adad59633 | 1259 | SetTimeout(RXTimeoutSyncWordTimer, NULL); |
GregCr | 0:e6ceb13d2d05 | 1260 | } |
GregCr | 0:e6ceb13d2d05 | 1261 | } |
Helmut Tschemernjak | 63:5b9d391244dc | 1262 | if (this->RadioEvents && this->RadioEvents->RxTimeout) |
GregCr | 0:e6ceb13d2d05 | 1263 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1264 | this->RadioEvents->RxTimeout(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData); |
GregCr | 0:e6ceb13d2d05 | 1265 | } |
GregCr | 0:e6ceb13d2d05 | 1266 | break; |
mluis | 21:2e496deb7858 | 1267 | case RF_TX_RUNNING: |
Helmut Tschemernjak | 31:e50929bd3f32 | 1268 | // Tx timeout shouldn't happen. |
Helmut Tschemernjak | 31:e50929bd3f32 | 1269 | // But it has been observed that when it happens it is a result of a corrupted SPI transfer |
Helmut Tschemernjak | 31:e50929bd3f32 | 1270 | // it depends on the platform design. |
Helmut Tschemernjak | 31:e50929bd3f32 | 1271 | // |
Helmut Tschemernjak | 31:e50929bd3f32 | 1272 | // The workaround is to put the radio in a known state. Thus, we re-initialize it. |
Helmut Tschemernjak | 31:e50929bd3f32 | 1273 | // BEGIN WORKAROUND |
Helmut Tschemernjak | 31:e50929bd3f32 | 1274 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1275 | // Reset the radio |
Helmut Tschemernjak | 31:e50929bd3f32 | 1276 | Reset( ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1277 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1278 | // Calibrate Rx chain |
Helmut Tschemernjak | 31:e50929bd3f32 | 1279 | RxChainCalibration( ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1280 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1281 | // Initialize radio default values |
Helmut Tschemernjak | 31:e50929bd3f32 | 1282 | SetOpMode( RF_OPMODE_SLEEP ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1283 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1284 | RadioRegistersInit( ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1285 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1286 | SetModem( MODEM_FSK ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1287 | |
Helmut Tschemernjak | 31:e50929bd3f32 | 1288 | // Restore previous network type setting. |
Helmut Tschemernjak | 31:e50929bd3f32 | 1289 | SetPublicNetwork( this->settings.LoRa.PublicNetwork ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1290 | // END WORKAROUND |
Helmut Tschemernjak | 31:e50929bd3f32 | 1291 | |
mluis | 21:2e496deb7858 | 1292 | this->settings.State = RF_IDLE; |
Helmut Tschemernjak | 63:5b9d391244dc | 1293 | if (this->RadioEvents && this->RadioEvents->TxTimeout) |
GregCr | 0:e6ceb13d2d05 | 1294 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1295 | this->RadioEvents->TxTimeout(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData); |
GregCr | 0:e6ceb13d2d05 | 1296 | } |
GregCr | 0:e6ceb13d2d05 | 1297 | break; |
GregCr | 0:e6ceb13d2d05 | 1298 | default: |
GregCr | 0:e6ceb13d2d05 | 1299 | break; |
GregCr | 0:e6ceb13d2d05 | 1300 | } |
GregCr | 0:e6ceb13d2d05 | 1301 | } |
GregCr | 0:e6ceb13d2d05 | 1302 | |
GregCr | 0:e6ceb13d2d05 | 1303 | void SX1276::OnDio0Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1304 | { |
mluis | 20:e05596ba4166 | 1305 | volatile uint8_t irqFlags = 0; |
mluis | 22:7f3aab69cca9 | 1306 | |
GregCr | 0:e6ceb13d2d05 | 1307 | switch( this->settings.State ) |
mluis | 25:3778e6204cc1 | 1308 | { |
mluis | 21:2e496deb7858 | 1309 | case RF_RX_RUNNING: |
GregCr | 0:e6ceb13d2d05 | 1310 | //TimerStop( &RxTimeoutTimer ); |
GregCr | 0:e6ceb13d2d05 | 1311 | // RxDone interrupt |
GregCr | 0:e6ceb13d2d05 | 1312 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1313 | { |
GregCr | 0:e6ceb13d2d05 | 1314 | case MODEM_FSK: |
GregCr | 18:99c6e44c1672 | 1315 | if( this->settings.Fsk.CrcOn == true ) |
GregCr | 0:e6ceb13d2d05 | 1316 | { |
GregCr | 18:99c6e44c1672 | 1317 | irqFlags = Read( REG_IRQFLAGS2 ); |
GregCr | 18:99c6e44c1672 | 1318 | if( ( irqFlags & RF_IRQFLAGS2_CRCOK ) != RF_IRQFLAGS2_CRCOK ) |
GregCr | 0:e6ceb13d2d05 | 1319 | { |
GregCr | 18:99c6e44c1672 | 1320 | // Clear Irqs |
mluis | 25:3778e6204cc1 | 1321 | Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI | |
GregCr | 18:99c6e44c1672 | 1322 | RF_IRQFLAGS1_PREAMBLEDETECT | |
GregCr | 18:99c6e44c1672 | 1323 | RF_IRQFLAGS1_SYNCADDRESSMATCH ); |
GregCr | 18:99c6e44c1672 | 1324 | Write( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN ); |
mluis | 25:3778e6204cc1 | 1325 | |
Helmut Tschemernjak | 44:544add59b26d | 1326 | SetTimeout(RXTimeoutTimer, NULL); |
mluis | 25:3778e6204cc1 | 1327 | |
GregCr | 18:99c6e44c1672 | 1328 | if( this->settings.Fsk.RxContinuous == false ) |
GregCr | 18:99c6e44c1672 | 1329 | { |
Helmut Tschemernjak | 53:6d3adad59633 | 1330 | SetTimeout(RXTimeoutSyncWordTimer, NULL); |
mluis | 21:2e496deb7858 | 1331 | this->settings.State = RF_IDLE; |
GregCr | 18:99c6e44c1672 | 1332 | } |
GregCr | 18:99c6e44c1672 | 1333 | else |
GregCr | 18:99c6e44c1672 | 1334 | { |
GregCr | 18:99c6e44c1672 | 1335 | // Continuous mode restart Rx chain |
GregCr | 18:99c6e44c1672 | 1336 | Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); |
Helmut Tschemernjak | 53:6d3adad59633 | 1337 | SetTimeout(RXTimeoutSyncWordTimer, &SX1276::OnTimeoutIrq, this->settings.Fsk.RxSingleTimeout * 1e3); |
GregCr | 18:99c6e44c1672 | 1338 | } |
mluis | 25:3778e6204cc1 | 1339 | |
Helmut Tschemernjak | 63:5b9d391244dc | 1340 | if (this->RadioEvents && this->RadioEvents->RxError) |
GregCr | 18:99c6e44c1672 | 1341 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1342 | this->RadioEvents->RxError(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData); |
GregCr | 18:99c6e44c1672 | 1343 | } |
GregCr | 18:99c6e44c1672 | 1344 | this->settings.FskPacketHandler.PreambleDetected = false; |
GregCr | 18:99c6e44c1672 | 1345 | this->settings.FskPacketHandler.SyncWordDetected = false; |
GregCr | 18:99c6e44c1672 | 1346 | this->settings.FskPacketHandler.NbBytes = 0; |
GregCr | 18:99c6e44c1672 | 1347 | this->settings.FskPacketHandler.Size = 0; |
GregCr | 18:99c6e44c1672 | 1348 | break; |
GregCr | 0:e6ceb13d2d05 | 1349 | } |
GregCr | 0:e6ceb13d2d05 | 1350 | } |
mluis | 25:3778e6204cc1 | 1351 | |
GregCr | 0:e6ceb13d2d05 | 1352 | // Read received packet size |
GregCr | 0:e6ceb13d2d05 | 1353 | if( ( this->settings.FskPacketHandler.Size == 0 ) && ( this->settings.FskPacketHandler.NbBytes == 0 ) ) |
GregCr | 0:e6ceb13d2d05 | 1354 | { |
GregCr | 0:e6ceb13d2d05 | 1355 | if( this->settings.Fsk.FixLen == false ) |
GregCr | 0:e6ceb13d2d05 | 1356 | { |
GregCr | 0:e6ceb13d2d05 | 1357 | ReadFifo( ( uint8_t* )&this->settings.FskPacketHandler.Size, 1 ); |
GregCr | 0:e6ceb13d2d05 | 1358 | } |
GregCr | 0:e6ceb13d2d05 | 1359 | else |
GregCr | 0:e6ceb13d2d05 | 1360 | { |
GregCr | 0:e6ceb13d2d05 | 1361 | this->settings.FskPacketHandler.Size = Read( REG_PAYLOADLENGTH ); |
GregCr | 0:e6ceb13d2d05 | 1362 | } |
GregCr | 23:1e143575df0f | 1363 | ReadFifo( rxtxBuffer + this->settings.FskPacketHandler.NbBytes, this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1364 | this->settings.FskPacketHandler.NbBytes += ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1365 | } |
GregCr | 0:e6ceb13d2d05 | 1366 | else |
GregCr | 0:e6ceb13d2d05 | 1367 | { |
GregCr | 23:1e143575df0f | 1368 | ReadFifo( rxtxBuffer + this->settings.FskPacketHandler.NbBytes, this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1369 | this->settings.FskPacketHandler.NbBytes += ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1370 | } |
GregCr | 0:e6ceb13d2d05 | 1371 | |
Helmut Tschemernjak | 44:544add59b26d | 1372 | SetTimeout(RXTimeoutTimer, NULL); |
Helmut Tschemernjak | 42:72deced1a4c4 | 1373 | |
GregCr | 0:e6ceb13d2d05 | 1374 | if( this->settings.Fsk.RxContinuous == false ) |
GregCr | 0:e6ceb13d2d05 | 1375 | { |
mluis | 21:2e496deb7858 | 1376 | this->settings.State = RF_IDLE; |
Helmut Tschemernjak | 53:6d3adad59633 | 1377 | SetTimeout(RXTimeoutSyncWordTimer, NULL); |
GregCr | 0:e6ceb13d2d05 | 1378 | } |
GregCr | 0:e6ceb13d2d05 | 1379 | else |
GregCr | 0:e6ceb13d2d05 | 1380 | { |
GregCr | 0:e6ceb13d2d05 | 1381 | // Continuous mode restart Rx chain |
GregCr | 0:e6ceb13d2d05 | 1382 | Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); |
Helmut Tschemernjak | 53:6d3adad59633 | 1383 | SetTimeout(RXTimeoutSyncWordTimer, &SX1276::OnTimeoutIrq, this->settings.Fsk.RxSingleTimeout * 1e3); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1384 | } |
GregCr | 0:e6ceb13d2d05 | 1385 | |
Helmut Tschemernjak | 63:5b9d391244dc | 1386 | if (this->RadioEvents && this->RadioEvents->RxDone) |
GregCr | 0:e6ceb13d2d05 | 1387 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1388 | this->RadioEvents->RxDone(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData, rxtxBuffer, this->settings.FskPacketHandler.Size, this->settings.FskPacketHandler.RssiValue, 0 ); |
mluis | 25:3778e6204cc1 | 1389 | } |
GregCr | 0:e6ceb13d2d05 | 1390 | this->settings.FskPacketHandler.PreambleDetected = false; |
GregCr | 0:e6ceb13d2d05 | 1391 | this->settings.FskPacketHandler.SyncWordDetected = false; |
GregCr | 0:e6ceb13d2d05 | 1392 | this->settings.FskPacketHandler.NbBytes = 0; |
GregCr | 0:e6ceb13d2d05 | 1393 | this->settings.FskPacketHandler.Size = 0; |
GregCr | 0:e6ceb13d2d05 | 1394 | break; |
GregCr | 0:e6ceb13d2d05 | 1395 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1396 | { |
mluis | 22:7f3aab69cca9 | 1397 | int8_t snr = 0; |
GregCr | 0:e6ceb13d2d05 | 1398 | |
GregCr | 0:e6ceb13d2d05 | 1399 | // Clear Irq |
GregCr | 0:e6ceb13d2d05 | 1400 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_RXDONE ); |
GregCr | 0:e6ceb13d2d05 | 1401 | |
GregCr | 0:e6ceb13d2d05 | 1402 | irqFlags = Read( REG_LR_IRQFLAGS ); |
GregCr | 0:e6ceb13d2d05 | 1403 | if( ( irqFlags & RFLR_IRQFLAGS_PAYLOADCRCERROR_MASK ) == RFLR_IRQFLAGS_PAYLOADCRCERROR ) |
GregCr | 0:e6ceb13d2d05 | 1404 | { |
GregCr | 0:e6ceb13d2d05 | 1405 | // Clear Irq |
GregCr | 0:e6ceb13d2d05 | 1406 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_PAYLOADCRCERROR ); |
GregCr | 0:e6ceb13d2d05 | 1407 | |
GregCr | 0:e6ceb13d2d05 | 1408 | if( this->settings.LoRa.RxContinuous == false ) |
GregCr | 0:e6ceb13d2d05 | 1409 | { |
mluis | 21:2e496deb7858 | 1410 | this->settings.State = RF_IDLE; |
GregCr | 0:e6ceb13d2d05 | 1411 | } |
Helmut Tschemernjak | 44:544add59b26d | 1412 | SetTimeout(RXTimeoutTimer, NULL); |
Helmut Tschemernjak | 42:72deced1a4c4 | 1413 | |
Helmut Tschemernjak | 63:5b9d391244dc | 1414 | if(this->RadioEvents && this->RadioEvents->RxError) |
GregCr | 0:e6ceb13d2d05 | 1415 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1416 | this->RadioEvents->RxError(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData); |
GregCr | 0:e6ceb13d2d05 | 1417 | } |
GregCr | 0:e6ceb13d2d05 | 1418 | break; |
GregCr | 0:e6ceb13d2d05 | 1419 | } |
GregCr | 0:e6ceb13d2d05 | 1420 | |
GregCr | 0:e6ceb13d2d05 | 1421 | this->settings.LoRaPacketHandler.SnrValue = Read( REG_LR_PKTSNRVALUE ); |
GregCr | 0:e6ceb13d2d05 | 1422 | if( this->settings.LoRaPacketHandler.SnrValue & 0x80 ) // The SNR sign bit is 1 |
GregCr | 0:e6ceb13d2d05 | 1423 | { |
GregCr | 0:e6ceb13d2d05 | 1424 | // Invert and divide by 4 |
GregCr | 0:e6ceb13d2d05 | 1425 | snr = ( ( ~this->settings.LoRaPacketHandler.SnrValue + 1 ) & 0xFF ) >> 2; |
GregCr | 0:e6ceb13d2d05 | 1426 | snr = -snr; |
GregCr | 0:e6ceb13d2d05 | 1427 | } |
GregCr | 0:e6ceb13d2d05 | 1428 | else |
GregCr | 0:e6ceb13d2d05 | 1429 | { |
GregCr | 0:e6ceb13d2d05 | 1430 | // Divide by 4 |
GregCr | 0:e6ceb13d2d05 | 1431 | snr = ( this->settings.LoRaPacketHandler.SnrValue & 0xFF ) >> 2; |
GregCr | 0:e6ceb13d2d05 | 1432 | } |
GregCr | 0:e6ceb13d2d05 | 1433 | |
GregCr | 7:2b555111463f | 1434 | int16_t rssi = Read( REG_LR_PKTRSSIVALUE ); |
mluis | 22:7f3aab69cca9 | 1435 | if( snr < 0 ) |
GregCr | 0:e6ceb13d2d05 | 1436 | { |
GregCr | 0:e6ceb13d2d05 | 1437 | if( this->settings.Channel > RF_MID_BAND_THRESH ) |
GregCr | 0:e6ceb13d2d05 | 1438 | { |
GregCr | 0:e6ceb13d2d05 | 1439 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_HF + rssi + ( rssi >> 4 ) + |
GregCr | 0:e6ceb13d2d05 | 1440 | snr; |
GregCr | 0:e6ceb13d2d05 | 1441 | } |
GregCr | 0:e6ceb13d2d05 | 1442 | else |
GregCr | 0:e6ceb13d2d05 | 1443 | { |
GregCr | 0:e6ceb13d2d05 | 1444 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_LF + rssi + ( rssi >> 4 ) + |
GregCr | 0:e6ceb13d2d05 | 1445 | snr; |
GregCr | 0:e6ceb13d2d05 | 1446 | } |
GregCr | 0:e6ceb13d2d05 | 1447 | } |
GregCr | 0:e6ceb13d2d05 | 1448 | else |
mluis | 25:3778e6204cc1 | 1449 | { |
GregCr | 0:e6ceb13d2d05 | 1450 | if( this->settings.Channel > RF_MID_BAND_THRESH ) |
GregCr | 0:e6ceb13d2d05 | 1451 | { |
GregCr | 0:e6ceb13d2d05 | 1452 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_HF + rssi + ( rssi >> 4 ); |
GregCr | 0:e6ceb13d2d05 | 1453 | } |
GregCr | 0:e6ceb13d2d05 | 1454 | else |
GregCr | 0:e6ceb13d2d05 | 1455 | { |
GregCr | 0:e6ceb13d2d05 | 1456 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_LF + rssi + ( rssi >> 4 ); |
GregCr | 0:e6ceb13d2d05 | 1457 | } |
GregCr | 0:e6ceb13d2d05 | 1458 | } |
GregCr | 0:e6ceb13d2d05 | 1459 | |
GregCr | 0:e6ceb13d2d05 | 1460 | this->settings.LoRaPacketHandler.Size = Read( REG_LR_RXNBBYTES ); |
GregCr | 23:1e143575df0f | 1461 | ReadFifo( rxtxBuffer, this->settings.LoRaPacketHandler.Size ); |
mluis | 25:3778e6204cc1 | 1462 | |
GregCr | 0:e6ceb13d2d05 | 1463 | if( this->settings.LoRa.RxContinuous == false ) |
GregCr | 0:e6ceb13d2d05 | 1464 | { |
mluis | 21:2e496deb7858 | 1465 | this->settings.State = RF_IDLE; |
GregCr | 0:e6ceb13d2d05 | 1466 | } |
Helmut Tschemernjak | 44:544add59b26d | 1467 | SetTimeout(RXTimeoutTimer, NULL); |
Helmut Tschemernjak | 42:72deced1a4c4 | 1468 | |
Helmut Tschemernjak | 63:5b9d391244dc | 1469 | if(this->RadioEvents && this->RadioEvents->RxDone) |
GregCr | 0:e6ceb13d2d05 | 1470 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1471 | this->RadioEvents->RxDone(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData, rxtxBuffer, this->settings.LoRaPacketHandler.Size, this->settings.LoRaPacketHandler.RssiValue, this->settings.LoRaPacketHandler.SnrValue ); |
GregCr | 0:e6ceb13d2d05 | 1472 | } |
GregCr | 0:e6ceb13d2d05 | 1473 | } |
GregCr | 0:e6ceb13d2d05 | 1474 | break; |
GregCr | 0:e6ceb13d2d05 | 1475 | default: |
GregCr | 0:e6ceb13d2d05 | 1476 | break; |
GregCr | 0:e6ceb13d2d05 | 1477 | } |
GregCr | 0:e6ceb13d2d05 | 1478 | break; |
mluis | 21:2e496deb7858 | 1479 | case RF_TX_RUNNING: |
Helmut Tschemernjak | 44:544add59b26d | 1480 | SetTimeout(TXTimeoutTimer, NULL); |
GregCr | 0:e6ceb13d2d05 | 1481 | // TxDone interrupt |
GregCr | 0:e6ceb13d2d05 | 1482 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1483 | { |
GregCr | 0:e6ceb13d2d05 | 1484 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1485 | // Clear Irq |
GregCr | 0:e6ceb13d2d05 | 1486 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_TXDONE ); |
GregCr | 0:e6ceb13d2d05 | 1487 | // Intentional fall through |
GregCr | 0:e6ceb13d2d05 | 1488 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1489 | default: |
mluis | 21:2e496deb7858 | 1490 | this->settings.State = RF_IDLE; |
Helmut Tschemernjak | 63:5b9d391244dc | 1491 | if (this->RadioEvents && this->RadioEvents->TxDone) |
GregCr | 0:e6ceb13d2d05 | 1492 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1493 | this->RadioEvents->TxDone(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData); |
mluis | 25:3778e6204cc1 | 1494 | } |
GregCr | 0:e6ceb13d2d05 | 1495 | break; |
GregCr | 0:e6ceb13d2d05 | 1496 | } |
GregCr | 0:e6ceb13d2d05 | 1497 | break; |
GregCr | 0:e6ceb13d2d05 | 1498 | default: |
GregCr | 0:e6ceb13d2d05 | 1499 | break; |
GregCr | 0:e6ceb13d2d05 | 1500 | } |
GregCr | 0:e6ceb13d2d05 | 1501 | } |
GregCr | 0:e6ceb13d2d05 | 1502 | |
GregCr | 0:e6ceb13d2d05 | 1503 | void SX1276::OnDio1Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1504 | { |
GregCr | 0:e6ceb13d2d05 | 1505 | switch( this->settings.State ) |
mluis | 25:3778e6204cc1 | 1506 | { |
mluis | 21:2e496deb7858 | 1507 | case RF_RX_RUNNING: |
GregCr | 0:e6ceb13d2d05 | 1508 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1509 | { |
GregCr | 0:e6ceb13d2d05 | 1510 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1511 | // FifoLevel interrupt |
GregCr | 0:e6ceb13d2d05 | 1512 | // Read received packet size |
GregCr | 0:e6ceb13d2d05 | 1513 | if( ( this->settings.FskPacketHandler.Size == 0 ) && ( this->settings.FskPacketHandler.NbBytes == 0 ) ) |
GregCr | 0:e6ceb13d2d05 | 1514 | { |
GregCr | 0:e6ceb13d2d05 | 1515 | if( this->settings.Fsk.FixLen == false ) |
GregCr | 0:e6ceb13d2d05 | 1516 | { |
GregCr | 0:e6ceb13d2d05 | 1517 | ReadFifo( ( uint8_t* )&this->settings.FskPacketHandler.Size, 1 ); |
GregCr | 0:e6ceb13d2d05 | 1518 | } |
GregCr | 0:e6ceb13d2d05 | 1519 | else |
GregCr | 0:e6ceb13d2d05 | 1520 | { |
GregCr | 0:e6ceb13d2d05 | 1521 | this->settings.FskPacketHandler.Size = Read( REG_PAYLOADLENGTH ); |
GregCr | 0:e6ceb13d2d05 | 1522 | } |
GregCr | 0:e6ceb13d2d05 | 1523 | } |
GregCr | 0:e6ceb13d2d05 | 1524 | |
GregCr | 0:e6ceb13d2d05 | 1525 | if( ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ) > this->settings.FskPacketHandler.FifoThresh ) |
GregCr | 0:e6ceb13d2d05 | 1526 | { |
GregCr | 23:1e143575df0f | 1527 | ReadFifo( ( rxtxBuffer + this->settings.FskPacketHandler.NbBytes ), this->settings.FskPacketHandler.FifoThresh ); |
GregCr | 0:e6ceb13d2d05 | 1528 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.FifoThresh; |
GregCr | 0:e6ceb13d2d05 | 1529 | } |
GregCr | 0:e6ceb13d2d05 | 1530 | else |
GregCr | 0:e6ceb13d2d05 | 1531 | { |
GregCr | 23:1e143575df0f | 1532 | ReadFifo( ( rxtxBuffer + this->settings.FskPacketHandler.NbBytes ), this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1533 | this->settings.FskPacketHandler.NbBytes += ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1534 | } |
GregCr | 0:e6ceb13d2d05 | 1535 | break; |
GregCr | 0:e6ceb13d2d05 | 1536 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1537 | // Sync time out |
Helmut Tschemernjak | 44:544add59b26d | 1538 | SetTimeout(RXTimeoutTimer, NULL); |
Helmut Tschemernjak | 42:72deced1a4c4 | 1539 | // Clear Irq |
Helmut Tschemernjak | 31:e50929bd3f32 | 1540 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_RXTIMEOUT ); |
Helmut Tschemernjak | 31:e50929bd3f32 | 1541 | |
mluis | 21:2e496deb7858 | 1542 | this->settings.State = RF_IDLE; |
Helmut Tschemernjak | 63:5b9d391244dc | 1543 | if (this->RadioEvents && this->RadioEvents->RxTimeout) |
GregCr | 0:e6ceb13d2d05 | 1544 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1545 | this->RadioEvents->RxTimeout(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData); |
GregCr | 0:e6ceb13d2d05 | 1546 | } |
GregCr | 0:e6ceb13d2d05 | 1547 | break; |
GregCr | 0:e6ceb13d2d05 | 1548 | default: |
GregCr | 0:e6ceb13d2d05 | 1549 | break; |
GregCr | 0:e6ceb13d2d05 | 1550 | } |
GregCr | 0:e6ceb13d2d05 | 1551 | break; |
mluis | 21:2e496deb7858 | 1552 | case RF_TX_RUNNING: |
GregCr | 0:e6ceb13d2d05 | 1553 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1554 | { |
GregCr | 0:e6ceb13d2d05 | 1555 | case MODEM_FSK: |
mluis | 25:3778e6204cc1 | 1556 | // FifoEmpty interrupt |
GregCr | 0:e6ceb13d2d05 | 1557 | if( ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ) > this->settings.FskPacketHandler.ChunkSize ) |
GregCr | 0:e6ceb13d2d05 | 1558 | { |
GregCr | 23:1e143575df0f | 1559 | WriteFifo( ( rxtxBuffer + this->settings.FskPacketHandler.NbBytes ), this->settings.FskPacketHandler.ChunkSize ); |
GregCr | 0:e6ceb13d2d05 | 1560 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.ChunkSize; |
GregCr | 0:e6ceb13d2d05 | 1561 | } |
mluis | 25:3778e6204cc1 | 1562 | else |
GregCr | 0:e6ceb13d2d05 | 1563 | { |
GregCr | 0:e6ceb13d2d05 | 1564 | // Write the last chunk of data |
GregCr | 23:1e143575df0f | 1565 | WriteFifo( rxtxBuffer + this->settings.FskPacketHandler.NbBytes, this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1566 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes; |
GregCr | 0:e6ceb13d2d05 | 1567 | } |
GregCr | 0:e6ceb13d2d05 | 1568 | break; |
GregCr | 0:e6ceb13d2d05 | 1569 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1570 | break; |
GregCr | 0:e6ceb13d2d05 | 1571 | default: |
GregCr | 0:e6ceb13d2d05 | 1572 | break; |
GregCr | 0:e6ceb13d2d05 | 1573 | } |
mluis | 22:7f3aab69cca9 | 1574 | break; |
GregCr | 0:e6ceb13d2d05 | 1575 | default: |
GregCr | 0:e6ceb13d2d05 | 1576 | break; |
GregCr | 0:e6ceb13d2d05 | 1577 | } |
GregCr | 0:e6ceb13d2d05 | 1578 | } |
GregCr | 0:e6ceb13d2d05 | 1579 | |
GregCr | 0:e6ceb13d2d05 | 1580 | void SX1276::OnDio2Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1581 | { |
GregCr | 0:e6ceb13d2d05 | 1582 | switch( this->settings.State ) |
mluis | 25:3778e6204cc1 | 1583 | { |
mluis | 21:2e496deb7858 | 1584 | case RF_RX_RUNNING: |
GregCr | 0:e6ceb13d2d05 | 1585 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1586 | { |
GregCr | 0:e6ceb13d2d05 | 1587 | case MODEM_FSK: |
Helmut Tschemernjak | 31:e50929bd3f32 | 1588 | // Checks if DIO4 is connected. If it is not PreambleDtected is set to true. |
Helmut Tschemernjak | 31:e50929bd3f32 | 1589 | if( this->dioIrq[4] == NULL ) |
Helmut Tschemernjak | 31:e50929bd3f32 | 1590 | { |
Helmut Tschemernjak | 31:e50929bd3f32 | 1591 | this->settings.FskPacketHandler.PreambleDetected = true; |
Helmut Tschemernjak | 31:e50929bd3f32 | 1592 | } |
Helmut Tschemernjak | 31:e50929bd3f32 | 1593 | |
GregCr | 0:e6ceb13d2d05 | 1594 | if( ( this->settings.FskPacketHandler.PreambleDetected == true ) && ( this->settings.FskPacketHandler.SyncWordDetected == false ) ) |
GregCr | 0:e6ceb13d2d05 | 1595 | { |
Helmut Tschemernjak | 53:6d3adad59633 | 1596 | SetTimeout(RXTimeoutSyncWordTimer, NULL); |
Helmut Tschemernjak | 42:72deced1a4c4 | 1597 | |
GregCr | 0:e6ceb13d2d05 | 1598 | this->settings.FskPacketHandler.SyncWordDetected = true; |
mluis | 25:3778e6204cc1 | 1599 | |
GregCr | 0:e6ceb13d2d05 | 1600 | this->settings.FskPacketHandler.RssiValue = -( Read( REG_RSSIVALUE ) >> 1 ); |
GregCr | 0:e6ceb13d2d05 | 1601 | |
GregCr | 0:e6ceb13d2d05 | 1602 | this->settings.FskPacketHandler.AfcValue = ( int32_t )( double )( ( ( uint16_t )Read( REG_AFCMSB ) << 8 ) | |
GregCr | 0:e6ceb13d2d05 | 1603 | ( uint16_t )Read( REG_AFCLSB ) ) * |
GregCr | 0:e6ceb13d2d05 | 1604 | ( double )FREQ_STEP; |
GregCr | 0:e6ceb13d2d05 | 1605 | this->settings.FskPacketHandler.RxGain = ( Read( REG_LNA ) >> 5 ) & 0x07; |
GregCr | 0:e6ceb13d2d05 | 1606 | } |
GregCr | 0:e6ceb13d2d05 | 1607 | break; |
GregCr | 0:e6ceb13d2d05 | 1608 | case MODEM_LORA: |
GregCr | 6:e7f02929cd3d | 1609 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 1610 | { |
GregCr | 6:e7f02929cd3d | 1611 | // Clear Irq |
GregCr | 6:e7f02929cd3d | 1612 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL ); |
mluis | 25:3778e6204cc1 | 1613 | |
Helmut Tschemernjak | 63:5b9d391244dc | 1614 | if (this->RadioEvents && this->RadioEvents->FhssChangeChannel) |
mluis | 13:618826a997e2 | 1615 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1616 | this->RadioEvents->FhssChangeChannel(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData, ( Read( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ) ); |
mluis | 13:618826a997e2 | 1617 | } |
mluis | 22:7f3aab69cca9 | 1618 | } |
GregCr | 0:e6ceb13d2d05 | 1619 | break; |
GregCr | 0:e6ceb13d2d05 | 1620 | default: |
GregCr | 0:e6ceb13d2d05 | 1621 | break; |
GregCr | 0:e6ceb13d2d05 | 1622 | } |
GregCr | 0:e6ceb13d2d05 | 1623 | break; |
mluis | 21:2e496deb7858 | 1624 | case RF_TX_RUNNING: |
GregCr | 0:e6ceb13d2d05 | 1625 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1626 | { |
GregCr | 0:e6ceb13d2d05 | 1627 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1628 | break; |
GregCr | 0:e6ceb13d2d05 | 1629 | case MODEM_LORA: |
GregCr | 6:e7f02929cd3d | 1630 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 1631 | { |
GregCr | 6:e7f02929cd3d | 1632 | // Clear Irq |
GregCr | 6:e7f02929cd3d | 1633 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL ); |
mluis | 25:3778e6204cc1 | 1634 | |
Helmut Tschemernjak | 63:5b9d391244dc | 1635 | if (this->RadioEvents && this->RadioEvents->FhssChangeChannel) |
mluis | 13:618826a997e2 | 1636 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1637 | this->RadioEvents->FhssChangeChannel(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData, ( Read( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ) ); |
mluis | 13:618826a997e2 | 1638 | } |
mluis | 22:7f3aab69cca9 | 1639 | } |
GregCr | 0:e6ceb13d2d05 | 1640 | break; |
GregCr | 0:e6ceb13d2d05 | 1641 | default: |
GregCr | 0:e6ceb13d2d05 | 1642 | break; |
GregCr | 0:e6ceb13d2d05 | 1643 | } |
mluis | 22:7f3aab69cca9 | 1644 | break; |
GregCr | 0:e6ceb13d2d05 | 1645 | default: |
GregCr | 0:e6ceb13d2d05 | 1646 | break; |
GregCr | 0:e6ceb13d2d05 | 1647 | } |
GregCr | 0:e6ceb13d2d05 | 1648 | } |
GregCr | 0:e6ceb13d2d05 | 1649 | |
GregCr | 0:e6ceb13d2d05 | 1650 | void SX1276::OnDio3Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1651 | { |
GregCr | 0:e6ceb13d2d05 | 1652 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1653 | { |
GregCr | 0:e6ceb13d2d05 | 1654 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1655 | break; |
GregCr | 0:e6ceb13d2d05 | 1656 | case MODEM_LORA: |
mluis | 22:7f3aab69cca9 | 1657 | if( ( Read( REG_LR_IRQFLAGS ) & RFLR_IRQFLAGS_CADDETECTED ) == RFLR_IRQFLAGS_CADDETECTED ) |
mluis | 13:618826a997e2 | 1658 | { |
mluis | 13:618826a997e2 | 1659 | // Clear Irq |
mluis | 22:7f3aab69cca9 | 1660 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDETECTED | RFLR_IRQFLAGS_CADDONE ); |
Helmut Tschemernjak | 63:5b9d391244dc | 1661 | if (this->RadioEvents && this->RadioEvents->CadDone) |
mluis | 13:618826a997e2 | 1662 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1663 | this->RadioEvents->CadDone(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData, true ); |
mluis | 13:618826a997e2 | 1664 | } |
GregCr | 12:aa5b3bf7fdf4 | 1665 | } |
GregCr | 12:aa5b3bf7fdf4 | 1666 | else |
mluis | 25:3778e6204cc1 | 1667 | { |
mluis | 13:618826a997e2 | 1668 | // Clear Irq |
mluis | 13:618826a997e2 | 1669 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDONE ); |
Helmut Tschemernjak | 63:5b9d391244dc | 1670 | if (this->RadioEvents && this->RadioEvents->CadDone) |
mluis | 13:618826a997e2 | 1671 | { |
Helmut Tschemernjak | 63:5b9d391244dc | 1672 | this->RadioEvents->CadDone(this, this->RadioEvents->userThisPtr, this->RadioEvents->userData, false ); |
mluis | 13:618826a997e2 | 1673 | } |
GregCr | 7:2b555111463f | 1674 | } |
GregCr | 0:e6ceb13d2d05 | 1675 | break; |
GregCr | 0:e6ceb13d2d05 | 1676 | default: |
GregCr | 0:e6ceb13d2d05 | 1677 | break; |
GregCr | 0:e6ceb13d2d05 | 1678 | } |
GregCr | 0:e6ceb13d2d05 | 1679 | } |
GregCr | 0:e6ceb13d2d05 | 1680 | |
GregCr | 0:e6ceb13d2d05 | 1681 | void SX1276::OnDio4Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1682 | { |
GregCr | 0:e6ceb13d2d05 | 1683 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1684 | { |
GregCr | 0:e6ceb13d2d05 | 1685 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1686 | { |
GregCr | 0:e6ceb13d2d05 | 1687 | if( this->settings.FskPacketHandler.PreambleDetected == false ) |
GregCr | 0:e6ceb13d2d05 | 1688 | { |
GregCr | 0:e6ceb13d2d05 | 1689 | this->settings.FskPacketHandler.PreambleDetected = true; |
mluis | 25:3778e6204cc1 | 1690 | } |
GregCr | 0:e6ceb13d2d05 | 1691 | } |
GregCr | 0:e6ceb13d2d05 | 1692 | break; |
GregCr | 0:e6ceb13d2d05 | 1693 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1694 | break; |
GregCr | 0:e6ceb13d2d05 | 1695 | default: |
GregCr | 0:e6ceb13d2d05 | 1696 | break; |
GregCr | 0:e6ceb13d2d05 | 1697 | } |
GregCr | 0:e6ceb13d2d05 | 1698 | } |
GregCr | 0:e6ceb13d2d05 | 1699 | |
GregCr | 0:e6ceb13d2d05 | 1700 | void SX1276::OnDio5Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1701 | { |
GregCr | 0:e6ceb13d2d05 | 1702 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1703 | { |
GregCr | 0:e6ceb13d2d05 | 1704 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1705 | break; |
GregCr | 0:e6ceb13d2d05 | 1706 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1707 | break; |
GregCr | 0:e6ceb13d2d05 | 1708 | default: |
GregCr | 0:e6ceb13d2d05 | 1709 | break; |
GregCr | 0:e6ceb13d2d05 | 1710 | } |
mluis | 13:618826a997e2 | 1711 | } |