Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
radio/SX1276Lib/sx1276/sx1276.cpp@0:2325d1d28df3, 2017-12-15 (annotated)
- Committer:
- fholin
- Date:
- Fri Dec 15 13:15:04 2017 +0000
- Revision:
- 0:2325d1d28df3
- Child:
- 1:eda561b01daf
Initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
fholin | 0:2325d1d28df3 | 1 | /* |
fholin | 0:2325d1d28df3 | 2 | / _____) _ | | |
fholin | 0:2325d1d28df3 | 3 | ( (____ _____ ____ _| |_ _____ ____| |__ |
fholin | 0:2325d1d28df3 | 4 | \____ \| ___ | (_ _) ___ |/ ___) _ \ |
fholin | 0:2325d1d28df3 | 5 | _____) ) ____| | | || |_| ____( (___| | | | |
fholin | 0:2325d1d28df3 | 6 | (______/|_____)_|_|_| \__)_____)\____)_| |_| |
fholin | 0:2325d1d28df3 | 7 | (C) 2014 Semtech |
fholin | 0:2325d1d28df3 | 8 | |
fholin | 0:2325d1d28df3 | 9 | Description: Actual implementation of a SX1276 radio, inherits Radio |
fholin | 0:2325d1d28df3 | 10 | |
fholin | 0:2325d1d28df3 | 11 | License: Revised BSD License, see LICENSE.TXT file include in the project |
fholin | 0:2325d1d28df3 | 12 | |
fholin | 0:2325d1d28df3 | 13 | Maintainers: Miguel Luis, Gregory Cristian and Nicolas Huguenin |
fholin | 0:2325d1d28df3 | 14 | */ |
fholin | 0:2325d1d28df3 | 15 | #include "sx1276.h" |
fholin | 0:2325d1d28df3 | 16 | #include "mbed.h" |
fholin | 0:2325d1d28df3 | 17 | |
fholin | 0:2325d1d28df3 | 18 | |
fholin | 0:2325d1d28df3 | 19 | |
fholin | 0:2325d1d28df3 | 20 | Serial pcsx (PA_9, PA_10); |
fholin | 0:2325d1d28df3 | 21 | # define DEBUG_PRINT(x) do {} while (0) |
fholin | 0:2325d1d28df3 | 22 | const FskBandwidth_t SX1276::FskBandwidths[] = |
fholin | 0:2325d1d28df3 | 23 | { |
fholin | 0:2325d1d28df3 | 24 | { 2600 , 0x17 }, |
fholin | 0:2325d1d28df3 | 25 | { 3100 , 0x0F }, |
fholin | 0:2325d1d28df3 | 26 | { 3900 , 0x07 }, |
fholin | 0:2325d1d28df3 | 27 | { 5200 , 0x16 }, |
fholin | 0:2325d1d28df3 | 28 | { 6300 , 0x0E }, |
fholin | 0:2325d1d28df3 | 29 | { 7800 , 0x06 }, |
fholin | 0:2325d1d28df3 | 30 | { 10400 , 0x15 }, |
fholin | 0:2325d1d28df3 | 31 | { 12500 , 0x0D }, |
fholin | 0:2325d1d28df3 | 32 | { 15600 , 0x05 }, |
fholin | 0:2325d1d28df3 | 33 | { 20800 , 0x14 }, |
fholin | 0:2325d1d28df3 | 34 | { 25000 , 0x0C }, |
fholin | 0:2325d1d28df3 | 35 | { 31300 , 0x04 }, |
fholin | 0:2325d1d28df3 | 36 | { 41700 , 0x13 }, |
fholin | 0:2325d1d28df3 | 37 | { 50000 , 0x0B }, |
fholin | 0:2325d1d28df3 | 38 | { 62500 , 0x03 }, |
fholin | 0:2325d1d28df3 | 39 | { 83333 , 0x12 }, |
fholin | 0:2325d1d28df3 | 40 | { 100000, 0x0A }, |
fholin | 0:2325d1d28df3 | 41 | { 125000, 0x02 }, |
fholin | 0:2325d1d28df3 | 42 | { 166700, 0x11 }, |
fholin | 0:2325d1d28df3 | 43 | { 200000, 0x09 }, |
fholin | 0:2325d1d28df3 | 44 | { 250000, 0x01 }, |
fholin | 0:2325d1d28df3 | 45 | { 300000, 0x00 }, // Invalid Badwidth |
fholin | 0:2325d1d28df3 | 46 | }; |
fholin | 0:2325d1d28df3 | 47 | |
fholin | 0:2325d1d28df3 | 48 | |
fholin | 0:2325d1d28df3 | 49 | SX1276::SX1276( RadioEvents_t *events, |
fholin | 0:2325d1d28df3 | 50 | PinName mosi, PinName miso, PinName sclk, PinName nss, PinName reset, |
fholin | 0:2325d1d28df3 | 51 | PinName dio0, PinName dio1, PinName dio2, PinName dio3, PinName dio4, PinName dio5 ) |
fholin | 0:2325d1d28df3 | 52 | : Radio( events ), |
fholin | 0:2325d1d28df3 | 53 | spi( mosi, miso, sclk ), |
fholin | 0:2325d1d28df3 | 54 | nss( nss ), |
fholin | 0:2325d1d28df3 | 55 | reset( reset ), |
fholin | 0:2325d1d28df3 | 56 | dio0( dio0 ), dio1( dio1 ), dio2( dio2 ), dio3( dio3 ), dio4( dio4 ), dio5( dio5 ), |
fholin | 0:2325d1d28df3 | 57 | isRadioActive( false ) |
fholin | 0:2325d1d28df3 | 58 | { |
fholin | 0:2325d1d28df3 | 59 | wait_ms( 10 ); |
fholin | 0:2325d1d28df3 | 60 | this->rxTx = 0; |
fholin | 0:2325d1d28df3 | 61 | this->rxBuffer = new uint8_t[RX_BUFFER_SIZE]; |
fholin | 0:2325d1d28df3 | 62 | previousOpMode = RF_OPMODE_STANDBY; |
fholin | 0:2325d1d28df3 | 63 | |
fholin | 0:2325d1d28df3 | 64 | this->RadioEvents = events; |
fholin | 0:2325d1d28df3 | 65 | |
fholin | 0:2325d1d28df3 | 66 | this->dioIrq = new DioIrqHandler[6]; |
fholin | 0:2325d1d28df3 | 67 | |
fholin | 0:2325d1d28df3 | 68 | this->dioIrq[0] = &SX1276::OnDio0Irq; |
fholin | 0:2325d1d28df3 | 69 | this->dioIrq[1] = &SX1276::OnDio1Irq; |
fholin | 0:2325d1d28df3 | 70 | this->dioIrq[2] = &SX1276::OnDio2Irq; |
fholin | 0:2325d1d28df3 | 71 | this->dioIrq[3] = &SX1276::OnDio3Irq; |
fholin | 0:2325d1d28df3 | 72 | this->dioIrq[4] = &SX1276::OnDio4Irq; |
fholin | 0:2325d1d28df3 | 73 | this->dioIrq[5] = NULL; |
fholin | 0:2325d1d28df3 | 74 | |
fholin | 0:2325d1d28df3 | 75 | this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 76 | } |
fholin | 0:2325d1d28df3 | 77 | |
fholin | 0:2325d1d28df3 | 78 | SX1276::~SX1276( ) |
fholin | 0:2325d1d28df3 | 79 | { |
fholin | 0:2325d1d28df3 | 80 | delete this->rxBuffer; |
fholin | 0:2325d1d28df3 | 81 | delete this->dioIrq; |
fholin | 0:2325d1d28df3 | 82 | } |
fholin | 0:2325d1d28df3 | 83 | |
fholin | 0:2325d1d28df3 | 84 | void SX1276::Init( RadioEvents_t *events ) |
fholin | 0:2325d1d28df3 | 85 | { |
fholin | 0:2325d1d28df3 | 86 | this->RadioEvents = events; |
fholin | 0:2325d1d28df3 | 87 | } |
fholin | 0:2325d1d28df3 | 88 | |
fholin | 0:2325d1d28df3 | 89 | RadioState SX1276::GetStatus( void ) |
fholin | 0:2325d1d28df3 | 90 | { |
fholin | 0:2325d1d28df3 | 91 | return this->settings.State; |
fholin | 0:2325d1d28df3 | 92 | } |
fholin | 0:2325d1d28df3 | 93 | |
fholin | 0:2325d1d28df3 | 94 | void SX1276::SetChannel( uint32_t freq ) |
fholin | 0:2325d1d28df3 | 95 | { |
fholin | 0:2325d1d28df3 | 96 | this->settings.Channel = freq; |
fholin | 0:2325d1d28df3 | 97 | freq = ( uint32_t )( ( double )freq / ( double )FREQ_STEP ); |
fholin | 0:2325d1d28df3 | 98 | Write( REG_FRFMSB, ( uint8_t )( ( freq >> 16 ) & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 99 | Write( REG_FRFMID, ( uint8_t )( ( freq >> 8 ) & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 100 | Write( REG_FRFLSB, ( uint8_t )( freq & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 101 | } |
fholin | 0:2325d1d28df3 | 102 | |
fholin | 0:2325d1d28df3 | 103 | bool SX1276::IsChannelFree( RadioModems_t modem, uint32_t freq, int16_t rssiThresh ) |
fholin | 0:2325d1d28df3 | 104 | { |
fholin | 0:2325d1d28df3 | 105 | int16_t rssi = 0; |
fholin | 0:2325d1d28df3 | 106 | |
fholin | 0:2325d1d28df3 | 107 | SetModem( modem ); |
fholin | 0:2325d1d28df3 | 108 | |
fholin | 0:2325d1d28df3 | 109 | SetChannel( freq ); |
fholin | 0:2325d1d28df3 | 110 | |
fholin | 0:2325d1d28df3 | 111 | SetOpMode( RF_OPMODE_RECEIVER ); |
fholin | 0:2325d1d28df3 | 112 | |
fholin | 0:2325d1d28df3 | 113 | wait_ms( 1 ); |
fholin | 0:2325d1d28df3 | 114 | |
fholin | 0:2325d1d28df3 | 115 | rssi = GetRssi( modem ); |
fholin | 0:2325d1d28df3 | 116 | |
fholin | 0:2325d1d28df3 | 117 | Sleep( ); |
fholin | 0:2325d1d28df3 | 118 | |
fholin | 0:2325d1d28df3 | 119 | if( rssi > rssiThresh ) |
fholin | 0:2325d1d28df3 | 120 | { |
fholin | 0:2325d1d28df3 | 121 | return false; |
fholin | 0:2325d1d28df3 | 122 | } |
fholin | 0:2325d1d28df3 | 123 | return true; |
fholin | 0:2325d1d28df3 | 124 | } |
fholin | 0:2325d1d28df3 | 125 | |
fholin | 0:2325d1d28df3 | 126 | uint32_t SX1276::Random( void ) |
fholin | 0:2325d1d28df3 | 127 | { |
fholin | 0:2325d1d28df3 | 128 | uint8_t i; |
fholin | 0:2325d1d28df3 | 129 | uint32_t rnd = 0; |
fholin | 0:2325d1d28df3 | 130 | |
fholin | 0:2325d1d28df3 | 131 | /* |
fholin | 0:2325d1d28df3 | 132 | * Radio setup for random number generation |
fholin | 0:2325d1d28df3 | 133 | */ |
fholin | 0:2325d1d28df3 | 134 | // Set LoRa modem ON |
fholin | 0:2325d1d28df3 | 135 | SetModem( MODEM_LORA ); |
fholin | 0:2325d1d28df3 | 136 | |
fholin | 0:2325d1d28df3 | 137 | // Disable LoRa modem interrupts |
fholin | 0:2325d1d28df3 | 138 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
fholin | 0:2325d1d28df3 | 139 | RFLR_IRQFLAGS_RXDONE | |
fholin | 0:2325d1d28df3 | 140 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
fholin | 0:2325d1d28df3 | 141 | RFLR_IRQFLAGS_VALIDHEADER | |
fholin | 0:2325d1d28df3 | 142 | RFLR_IRQFLAGS_TXDONE | |
fholin | 0:2325d1d28df3 | 143 | RFLR_IRQFLAGS_CADDONE | |
fholin | 0:2325d1d28df3 | 144 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
fholin | 0:2325d1d28df3 | 145 | RFLR_IRQFLAGS_CADDETECTED ); |
fholin | 0:2325d1d28df3 | 146 | |
fholin | 0:2325d1d28df3 | 147 | // Set radio in continuous reception |
fholin | 0:2325d1d28df3 | 148 | SetOpMode( RF_OPMODE_RECEIVER ); |
fholin | 0:2325d1d28df3 | 149 | |
fholin | 0:2325d1d28df3 | 150 | for( i = 0; i < 32; i++ ) |
fholin | 0:2325d1d28df3 | 151 | { |
fholin | 0:2325d1d28df3 | 152 | wait_ms( 1 ); |
fholin | 0:2325d1d28df3 | 153 | // Unfiltered RSSI value reading. Only takes the LSB value |
fholin | 0:2325d1d28df3 | 154 | rnd |= ( ( uint32_t )Read( REG_LR_RSSIWIDEBAND ) & 0x01 ) << i; |
fholin | 0:2325d1d28df3 | 155 | } |
fholin | 0:2325d1d28df3 | 156 | |
fholin | 0:2325d1d28df3 | 157 | Sleep( ); |
fholin | 0:2325d1d28df3 | 158 | |
fholin | 0:2325d1d28df3 | 159 | return rnd; |
fholin | 0:2325d1d28df3 | 160 | } |
fholin | 0:2325d1d28df3 | 161 | |
fholin | 0:2325d1d28df3 | 162 | /*! |
fholin | 0:2325d1d28df3 | 163 | * Performs the Rx chain calibration for LF and HF bands |
fholin | 0:2325d1d28df3 | 164 | * \remark Must be called just after the reset so all registers are at their |
fholin | 0:2325d1d28df3 | 165 | * default values |
fholin | 0:2325d1d28df3 | 166 | */ |
fholin | 0:2325d1d28df3 | 167 | void SX1276::RxChainCalibration( void ) |
fholin | 0:2325d1d28df3 | 168 | { |
fholin | 0:2325d1d28df3 | 169 | uint8_t regPaConfigInitVal; |
fholin | 0:2325d1d28df3 | 170 | uint32_t initialFreq; |
fholin | 0:2325d1d28df3 | 171 | |
fholin | 0:2325d1d28df3 | 172 | // Save context |
fholin | 0:2325d1d28df3 | 173 | regPaConfigInitVal = this->Read( REG_PACONFIG ); |
fholin | 0:2325d1d28df3 | 174 | initialFreq = ( double )( ( ( uint32_t )this->Read( REG_FRFMSB ) << 16 ) | |
fholin | 0:2325d1d28df3 | 175 | ( ( uint32_t )this->Read( REG_FRFMID ) << 8 ) | |
fholin | 0:2325d1d28df3 | 176 | ( ( uint32_t )this->Read( REG_FRFLSB ) ) ) * ( double )FREQ_STEP; |
fholin | 0:2325d1d28df3 | 177 | |
fholin | 0:2325d1d28df3 | 178 | // Cut the PA just in case, RFO output, power = -1 dBm |
fholin | 0:2325d1d28df3 | 179 | this->Write( REG_PACONFIG, 0x00 ); |
fholin | 0:2325d1d28df3 | 180 | |
fholin | 0:2325d1d28df3 | 181 | // Launch Rx chain calibration for LF band |
fholin | 0:2325d1d28df3 | 182 | Write ( REG_IMAGECAL, ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_MASK ) | RF_IMAGECAL_IMAGECAL_START ); |
fholin | 0:2325d1d28df3 | 183 | while( ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_RUNNING ) == RF_IMAGECAL_IMAGECAL_RUNNING ) |
fholin | 0:2325d1d28df3 | 184 | { |
fholin | 0:2325d1d28df3 | 185 | } |
fholin | 0:2325d1d28df3 | 186 | |
fholin | 0:2325d1d28df3 | 187 | // Sets a Frequency in HF band |
fholin | 0:2325d1d28df3 | 188 | SetChannel( 868000000 ); |
fholin | 0:2325d1d28df3 | 189 | |
fholin | 0:2325d1d28df3 | 190 | // Launch Rx chain calibration for HF band |
fholin | 0:2325d1d28df3 | 191 | Write ( REG_IMAGECAL, ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_MASK ) | RF_IMAGECAL_IMAGECAL_START ); |
fholin | 0:2325d1d28df3 | 192 | while( ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_RUNNING ) == RF_IMAGECAL_IMAGECAL_RUNNING ) |
fholin | 0:2325d1d28df3 | 193 | { |
fholin | 0:2325d1d28df3 | 194 | } |
fholin | 0:2325d1d28df3 | 195 | |
fholin | 0:2325d1d28df3 | 196 | // Restore context |
fholin | 0:2325d1d28df3 | 197 | this->Write( REG_PACONFIG, regPaConfigInitVal ); |
fholin | 0:2325d1d28df3 | 198 | SetChannel( initialFreq ); |
fholin | 0:2325d1d28df3 | 199 | } |
fholin | 0:2325d1d28df3 | 200 | |
fholin | 0:2325d1d28df3 | 201 | /*! |
fholin | 0:2325d1d28df3 | 202 | * Returns the known FSK bandwidth registers value |
fholin | 0:2325d1d28df3 | 203 | * |
fholin | 0:2325d1d28df3 | 204 | * \param [IN] bandwidth Bandwidth value in Hz |
fholin | 0:2325d1d28df3 | 205 | * \retval regValue Bandwidth register value. |
fholin | 0:2325d1d28df3 | 206 | */ |
fholin | 0:2325d1d28df3 | 207 | uint8_t SX1276::GetFskBandwidthRegValue( uint32_t bandwidth ) |
fholin | 0:2325d1d28df3 | 208 | { |
fholin | 0:2325d1d28df3 | 209 | uint8_t i; |
fholin | 0:2325d1d28df3 | 210 | |
fholin | 0:2325d1d28df3 | 211 | for( i = 0; i < ( sizeof( FskBandwidths ) / sizeof( FskBandwidth_t ) ) - 1; i++ ) |
fholin | 0:2325d1d28df3 | 212 | { |
fholin | 0:2325d1d28df3 | 213 | if( ( bandwidth >= FskBandwidths[i].bandwidth ) && ( bandwidth < FskBandwidths[i + 1].bandwidth ) ) |
fholin | 0:2325d1d28df3 | 214 | { |
fholin | 0:2325d1d28df3 | 215 | return FskBandwidths[i].RegValue; |
fholin | 0:2325d1d28df3 | 216 | } |
fholin | 0:2325d1d28df3 | 217 | } |
fholin | 0:2325d1d28df3 | 218 | // ERROR: Value not found |
fholin | 0:2325d1d28df3 | 219 | while( 1 ); |
fholin | 0:2325d1d28df3 | 220 | } |
fholin | 0:2325d1d28df3 | 221 | |
fholin | 0:2325d1d28df3 | 222 | void SX1276::SetRxConfig( RadioModems_t modem, uint32_t bandwidth, |
fholin | 0:2325d1d28df3 | 223 | uint32_t datarate, uint8_t coderate, |
fholin | 0:2325d1d28df3 | 224 | uint32_t bandwidthAfc, uint16_t preambleLen, |
fholin | 0:2325d1d28df3 | 225 | uint16_t symbTimeout, bool fixLen, |
fholin | 0:2325d1d28df3 | 226 | uint8_t payloadLen, |
fholin | 0:2325d1d28df3 | 227 | bool crcOn, bool freqHopOn, uint8_t hopPeriod, |
fholin | 0:2325d1d28df3 | 228 | bool iqInverted, bool rxContinuous ) |
fholin | 0:2325d1d28df3 | 229 | { |
fholin | 0:2325d1d28df3 | 230 | SetModem( modem ); |
fholin | 0:2325d1d28df3 | 231 | |
fholin | 0:2325d1d28df3 | 232 | switch( modem ) |
fholin | 0:2325d1d28df3 | 233 | { |
fholin | 0:2325d1d28df3 | 234 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 235 | { |
fholin | 0:2325d1d28df3 | 236 | this->settings.Fsk.Bandwidth = bandwidth; |
fholin | 0:2325d1d28df3 | 237 | this->settings.Fsk.Datarate = datarate; |
fholin | 0:2325d1d28df3 | 238 | this->settings.Fsk.BandwidthAfc = bandwidthAfc; |
fholin | 0:2325d1d28df3 | 239 | this->settings.Fsk.FixLen = fixLen; |
fholin | 0:2325d1d28df3 | 240 | this->settings.Fsk.PayloadLen = payloadLen; |
fholin | 0:2325d1d28df3 | 241 | this->settings.Fsk.CrcOn = crcOn; |
fholin | 0:2325d1d28df3 | 242 | this->settings.Fsk.IqInverted = iqInverted; |
fholin | 0:2325d1d28df3 | 243 | this->settings.Fsk.RxContinuous = rxContinuous; |
fholin | 0:2325d1d28df3 | 244 | this->settings.Fsk.PreambleLen = preambleLen; |
fholin | 0:2325d1d28df3 | 245 | |
fholin | 0:2325d1d28df3 | 246 | datarate = ( uint16_t )( ( double )XTAL_FREQ / ( double )datarate ); |
fholin | 0:2325d1d28df3 | 247 | Write( REG_BITRATEMSB, ( uint8_t )( datarate >> 8 ) ); |
fholin | 0:2325d1d28df3 | 248 | Write( REG_BITRATELSB, ( uint8_t )( datarate & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 249 | |
fholin | 0:2325d1d28df3 | 250 | Write( REG_RXBW, GetFskBandwidthRegValue( bandwidth ) ); |
fholin | 0:2325d1d28df3 | 251 | Write( REG_AFCBW, GetFskBandwidthRegValue( bandwidthAfc ) ); |
fholin | 0:2325d1d28df3 | 252 | |
fholin | 0:2325d1d28df3 | 253 | Write( REG_PREAMBLEMSB, ( uint8_t )( ( preambleLen >> 8 ) & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 254 | Write( REG_PREAMBLELSB, ( uint8_t )( preambleLen & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 255 | |
fholin | 0:2325d1d28df3 | 256 | if( fixLen == 1 ) |
fholin | 0:2325d1d28df3 | 257 | { |
fholin | 0:2325d1d28df3 | 258 | Write( REG_PAYLOADLENGTH, payloadLen ); |
fholin | 0:2325d1d28df3 | 259 | } |
fholin | 0:2325d1d28df3 | 260 | |
fholin | 0:2325d1d28df3 | 261 | Write( REG_PACKETCONFIG1, |
fholin | 0:2325d1d28df3 | 262 | ( Read( REG_PACKETCONFIG1 ) & |
fholin | 0:2325d1d28df3 | 263 | RF_PACKETCONFIG1_CRC_MASK & |
fholin | 0:2325d1d28df3 | 264 | RF_PACKETCONFIG1_PACKETFORMAT_MASK ) | |
fholin | 0:2325d1d28df3 | 265 | ( ( fixLen == 1 ) ? RF_PACKETCONFIG1_PACKETFORMAT_FIXED : RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE ) | |
fholin | 0:2325d1d28df3 | 266 | ( crcOn << 4 ) ); |
fholin | 0:2325d1d28df3 | 267 | } |
fholin | 0:2325d1d28df3 | 268 | break; |
fholin | 0:2325d1d28df3 | 269 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 270 | { |
fholin | 0:2325d1d28df3 | 271 | if( bandwidth > 2 ) |
fholin | 0:2325d1d28df3 | 272 | { |
fholin | 0:2325d1d28df3 | 273 | // Fatal error: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported |
fholin | 0:2325d1d28df3 | 274 | while( 1 ); |
fholin | 0:2325d1d28df3 | 275 | } |
fholin | 0:2325d1d28df3 | 276 | bandwidth += 7; |
fholin | 0:2325d1d28df3 | 277 | this->settings.LoRa.Bandwidth = bandwidth; |
fholin | 0:2325d1d28df3 | 278 | this->settings.LoRa.Datarate = datarate; |
fholin | 0:2325d1d28df3 | 279 | this->settings.LoRa.Coderate = coderate; |
fholin | 0:2325d1d28df3 | 280 | this->settings.LoRa.PreambleLen = preambleLen; |
fholin | 0:2325d1d28df3 | 281 | this->settings.LoRa.FixLen = fixLen; |
fholin | 0:2325d1d28df3 | 282 | this->settings.LoRa.PayloadLen = payloadLen; |
fholin | 0:2325d1d28df3 | 283 | this->settings.LoRa.CrcOn = crcOn; |
fholin | 0:2325d1d28df3 | 284 | this->settings.LoRa.FreqHopOn = freqHopOn; |
fholin | 0:2325d1d28df3 | 285 | this->settings.LoRa.HopPeriod = hopPeriod; |
fholin | 0:2325d1d28df3 | 286 | this->settings.LoRa.IqInverted = iqInverted; |
fholin | 0:2325d1d28df3 | 287 | this->settings.LoRa.RxContinuous = rxContinuous; |
fholin | 0:2325d1d28df3 | 288 | |
fholin | 0:2325d1d28df3 | 289 | if( datarate > 12 ) |
fholin | 0:2325d1d28df3 | 290 | { |
fholin | 0:2325d1d28df3 | 291 | datarate = 12; |
fholin | 0:2325d1d28df3 | 292 | } |
fholin | 0:2325d1d28df3 | 293 | else if( datarate < 6 ) |
fholin | 0:2325d1d28df3 | 294 | { |
fholin | 0:2325d1d28df3 | 295 | datarate = 6; |
fholin | 0:2325d1d28df3 | 296 | } |
fholin | 0:2325d1d28df3 | 297 | |
fholin | 0:2325d1d28df3 | 298 | if( ( ( bandwidth == 7 ) && ( ( datarate == 11 ) ||( datarate == 11 ) || ( datarate == 12 ) ) ) || |
fholin | 0:2325d1d28df3 | 299 | ( ( bandwidth == 8 ) && (( datarate == 11 ) ||( datarate == 12 ) )) ) |
fholin | 0:2325d1d28df3 | 300 | |
fholin | 0:2325d1d28df3 | 301 | { |
fholin | 0:2325d1d28df3 | 302 | this->settings.LoRa.LowDatarateOptimize = 0x01; |
fholin | 0:2325d1d28df3 | 303 | } |
fholin | 0:2325d1d28df3 | 304 | else |
fholin | 0:2325d1d28df3 | 305 | { |
fholin | 0:2325d1d28df3 | 306 | this->settings.LoRa.LowDatarateOptimize = 0x00; |
fholin | 0:2325d1d28df3 | 307 | } |
fholin | 0:2325d1d28df3 | 308 | |
fholin | 0:2325d1d28df3 | 309 | Write( REG_LR_MODEMCONFIG1, |
fholin | 0:2325d1d28df3 | 310 | ( Read( REG_LR_MODEMCONFIG1 ) & |
fholin | 0:2325d1d28df3 | 311 | RFLR_MODEMCONFIG1_BW_MASK & |
fholin | 0:2325d1d28df3 | 312 | RFLR_MODEMCONFIG1_CODINGRATE_MASK & |
fholin | 0:2325d1d28df3 | 313 | RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK ) | |
fholin | 0:2325d1d28df3 | 314 | ( bandwidth << 4 ) | ( coderate << 1 ) | |
fholin | 0:2325d1d28df3 | 315 | fixLen ); |
fholin | 0:2325d1d28df3 | 316 | |
fholin | 0:2325d1d28df3 | 317 | Write( REG_LR_MODEMCONFIG2, |
fholin | 0:2325d1d28df3 | 318 | ( Read( REG_LR_MODEMCONFIG2 ) & |
fholin | 0:2325d1d28df3 | 319 | RFLR_MODEMCONFIG2_SF_MASK & |
fholin | 0:2325d1d28df3 | 320 | RFLR_MODEMCONFIG2_RXPAYLOADCRC_MASK & |
fholin | 0:2325d1d28df3 | 321 | RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK ) | |
fholin | 0:2325d1d28df3 | 322 | ( datarate << 4 ) | ( crcOn << 2 ) | |
fholin | 0:2325d1d28df3 | 323 | ( ( symbTimeout >> 8 ) & ~RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK ) ); |
fholin | 0:2325d1d28df3 | 324 | |
fholin | 0:2325d1d28df3 | 325 | Write( REG_LR_MODEMCONFIG3, |
fholin | 0:2325d1d28df3 | 326 | ( Read( REG_LR_MODEMCONFIG3 ) & |
fholin | 0:2325d1d28df3 | 327 | RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK ) | |
fholin | 0:2325d1d28df3 | 328 | ( this->settings.LoRa.LowDatarateOptimize << 3 ) ); |
fholin | 0:2325d1d28df3 | 329 | |
fholin | 0:2325d1d28df3 | 330 | Write( REG_LR_SYMBTIMEOUTLSB, ( uint8_t )( symbTimeout & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 331 | |
fholin | 0:2325d1d28df3 | 332 | Write( REG_LR_PREAMBLEMSB, ( uint8_t )( ( preambleLen >> 8 ) & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 333 | Write( REG_LR_PREAMBLELSB, ( uint8_t )( preambleLen & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 334 | |
fholin | 0:2325d1d28df3 | 335 | if( fixLen == 1 ) |
fholin | 0:2325d1d28df3 | 336 | { |
fholin | 0:2325d1d28df3 | 337 | Write( REG_LR_PAYLOADLENGTH, payloadLen ); |
fholin | 0:2325d1d28df3 | 338 | } |
fholin | 0:2325d1d28df3 | 339 | |
fholin | 0:2325d1d28df3 | 340 | if( this->settings.LoRa.FreqHopOn == true ) |
fholin | 0:2325d1d28df3 | 341 | { |
fholin | 0:2325d1d28df3 | 342 | Write( REG_LR_PLLHOP, ( Read( REG_LR_PLLHOP ) & RFLR_PLLHOP_FASTHOP_MASK ) | RFLR_PLLHOP_FASTHOP_ON ); |
fholin | 0:2325d1d28df3 | 343 | Write( REG_LR_HOPPERIOD, this->settings.LoRa.HopPeriod ); |
fholin | 0:2325d1d28df3 | 344 | } |
fholin | 0:2325d1d28df3 | 345 | |
fholin | 0:2325d1d28df3 | 346 | if( ( bandwidth == 9 ) && ( RF_MID_BAND_THRESH ) ) |
fholin | 0:2325d1d28df3 | 347 | { |
fholin | 0:2325d1d28df3 | 348 | // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth |
fholin | 0:2325d1d28df3 | 349 | Write( REG_LR_TEST36, 0x02 ); |
fholin | 0:2325d1d28df3 | 350 | Write( REG_LR_TEST3A, 0x64 ); |
fholin | 0:2325d1d28df3 | 351 | } |
fholin | 0:2325d1d28df3 | 352 | else if( bandwidth == 9 ) |
fholin | 0:2325d1d28df3 | 353 | { |
fholin | 0:2325d1d28df3 | 354 | // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth |
fholin | 0:2325d1d28df3 | 355 | Write( REG_LR_TEST36, 0x02 ); |
fholin | 0:2325d1d28df3 | 356 | Write( REG_LR_TEST3A, 0x7F ); |
fholin | 0:2325d1d28df3 | 357 | } |
fholin | 0:2325d1d28df3 | 358 | else |
fholin | 0:2325d1d28df3 | 359 | { |
fholin | 0:2325d1d28df3 | 360 | // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth |
fholin | 0:2325d1d28df3 | 361 | Write( REG_LR_TEST36, 0x03 ); |
fholin | 0:2325d1d28df3 | 362 | } |
fholin | 0:2325d1d28df3 | 363 | |
fholin | 0:2325d1d28df3 | 364 | if( datarate == 6 ) |
fholin | 0:2325d1d28df3 | 365 | { |
fholin | 0:2325d1d28df3 | 366 | Write( REG_LR_DETECTOPTIMIZE, |
fholin | 0:2325d1d28df3 | 367 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
fholin | 0:2325d1d28df3 | 368 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
fholin | 0:2325d1d28df3 | 369 | RFLR_DETECTIONOPTIMIZE_SF6 ); |
fholin | 0:2325d1d28df3 | 370 | Write( REG_LR_DETECTIONTHRESHOLD, |
fholin | 0:2325d1d28df3 | 371 | RFLR_DETECTIONTHRESH_SF6 ); |
fholin | 0:2325d1d28df3 | 372 | } |
fholin | 0:2325d1d28df3 | 373 | else |
fholin | 0:2325d1d28df3 | 374 | { |
fholin | 0:2325d1d28df3 | 375 | Write( REG_LR_DETECTOPTIMIZE, |
fholin | 0:2325d1d28df3 | 376 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
fholin | 0:2325d1d28df3 | 377 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
fholin | 0:2325d1d28df3 | 378 | RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12 ); |
fholin | 0:2325d1d28df3 | 379 | Write( REG_LR_DETECTIONTHRESHOLD, |
fholin | 0:2325d1d28df3 | 380 | RFLR_DETECTIONTHRESH_SF7_TO_SF12 ); |
fholin | 0:2325d1d28df3 | 381 | } |
fholin | 0:2325d1d28df3 | 382 | } |
fholin | 0:2325d1d28df3 | 383 | break; |
fholin | 0:2325d1d28df3 | 384 | } |
fholin | 0:2325d1d28df3 | 385 | } |
fholin | 0:2325d1d28df3 | 386 | |
fholin | 0:2325d1d28df3 | 387 | void SX1276::SetTxConfig( RadioModems_t modem, int8_t power, uint32_t fdev, |
fholin | 0:2325d1d28df3 | 388 | uint32_t bandwidth, uint32_t datarate, |
fholin | 0:2325d1d28df3 | 389 | uint8_t coderate, uint16_t preambleLen, |
fholin | 0:2325d1d28df3 | 390 | bool fixLen, bool crcOn, bool freqHopOn, |
fholin | 0:2325d1d28df3 | 391 | uint8_t hopPeriod, bool iqInverted, uint32_t timeout ) |
fholin | 0:2325d1d28df3 | 392 | { |
fholin | 0:2325d1d28df3 | 393 | uint8_t paConfig = 0; |
fholin | 0:2325d1d28df3 | 394 | uint8_t paDac = 0; |
fholin | 0:2325d1d28df3 | 395 | |
fholin | 0:2325d1d28df3 | 396 | SetModem( modem ); |
fholin | 0:2325d1d28df3 | 397 | |
fholin | 0:2325d1d28df3 | 398 | paConfig = Read( REG_PACONFIG ); |
fholin | 0:2325d1d28df3 | 399 | paDac = Read( REG_PADAC ); |
fholin | 0:2325d1d28df3 | 400 | |
fholin | 0:2325d1d28df3 | 401 | paConfig = ( paConfig & RF_PACONFIG_PASELECT_MASK ) | GetPaSelect( this->settings.Channel ); |
fholin | 0:2325d1d28df3 | 402 | paConfig = ( paConfig & RF_PACONFIG_MAX_POWER_MASK ) | 0x70; |
fholin | 0:2325d1d28df3 | 403 | |
fholin | 0:2325d1d28df3 | 404 | if( ( paConfig & RF_PACONFIG_PASELECT_PABOOST ) == RF_PACONFIG_PASELECT_PABOOST ) |
fholin | 0:2325d1d28df3 | 405 | { |
fholin | 0:2325d1d28df3 | 406 | if( power > 17 ) |
fholin | 0:2325d1d28df3 | 407 | { |
fholin | 0:2325d1d28df3 | 408 | paDac = ( paDac & RF_PADAC_20DBM_MASK ) | RF_PADAC_20DBM_ON; |
fholin | 0:2325d1d28df3 | 409 | } |
fholin | 0:2325d1d28df3 | 410 | else |
fholin | 0:2325d1d28df3 | 411 | { |
fholin | 0:2325d1d28df3 | 412 | paDac = ( paDac & RF_PADAC_20DBM_MASK ) | RF_PADAC_20DBM_OFF; |
fholin | 0:2325d1d28df3 | 413 | } |
fholin | 0:2325d1d28df3 | 414 | if( ( paDac & RF_PADAC_20DBM_ON ) == RF_PADAC_20DBM_ON ) |
fholin | 0:2325d1d28df3 | 415 | { |
fholin | 0:2325d1d28df3 | 416 | if( power < 5 ) |
fholin | 0:2325d1d28df3 | 417 | { |
fholin | 0:2325d1d28df3 | 418 | power = 5; |
fholin | 0:2325d1d28df3 | 419 | } |
fholin | 0:2325d1d28df3 | 420 | if( power > 20 ) |
fholin | 0:2325d1d28df3 | 421 | { |
fholin | 0:2325d1d28df3 | 422 | power = 20; |
fholin | 0:2325d1d28df3 | 423 | } |
fholin | 0:2325d1d28df3 | 424 | paConfig = ( paConfig & RF_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power - 5 ) & 0x0F ); |
fholin | 0:2325d1d28df3 | 425 | } |
fholin | 0:2325d1d28df3 | 426 | else |
fholin | 0:2325d1d28df3 | 427 | { |
fholin | 0:2325d1d28df3 | 428 | if( power < 2 ) |
fholin | 0:2325d1d28df3 | 429 | { |
fholin | 0:2325d1d28df3 | 430 | power = 2; |
fholin | 0:2325d1d28df3 | 431 | } |
fholin | 0:2325d1d28df3 | 432 | if( power > 17 ) |
fholin | 0:2325d1d28df3 | 433 | { |
fholin | 0:2325d1d28df3 | 434 | power = 17; |
fholin | 0:2325d1d28df3 | 435 | } |
fholin | 0:2325d1d28df3 | 436 | paConfig = ( paConfig & RF_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power - 2 ) & 0x0F ); |
fholin | 0:2325d1d28df3 | 437 | } |
fholin | 0:2325d1d28df3 | 438 | } |
fholin | 0:2325d1d28df3 | 439 | else |
fholin | 0:2325d1d28df3 | 440 | { |
fholin | 0:2325d1d28df3 | 441 | if( power < -1 ) |
fholin | 0:2325d1d28df3 | 442 | { |
fholin | 0:2325d1d28df3 | 443 | power = -1; |
fholin | 0:2325d1d28df3 | 444 | } |
fholin | 0:2325d1d28df3 | 445 | if( power > 14 ) |
fholin | 0:2325d1d28df3 | 446 | { |
fholin | 0:2325d1d28df3 | 447 | power = 14; |
fholin | 0:2325d1d28df3 | 448 | } |
fholin | 0:2325d1d28df3 | 449 | paConfig = ( paConfig & RF_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power + 1 ) & 0x0F ); |
fholin | 0:2325d1d28df3 | 450 | } |
fholin | 0:2325d1d28df3 | 451 | Write( REG_PACONFIG, paConfig ); |
fholin | 0:2325d1d28df3 | 452 | Write( REG_PADAC, paDac ); |
fholin | 0:2325d1d28df3 | 453 | //pcsx.printf("Send in lora mode pa = %d \n",power); |
fholin | 0:2325d1d28df3 | 454 | switch( modem ) |
fholin | 0:2325d1d28df3 | 455 | { |
fholin | 0:2325d1d28df3 | 456 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 457 | { |
fholin | 0:2325d1d28df3 | 458 | this->settings.Fsk.Power = power; |
fholin | 0:2325d1d28df3 | 459 | this->settings.Fsk.Fdev = fdev; |
fholin | 0:2325d1d28df3 | 460 | this->settings.Fsk.Bandwidth = bandwidth; |
fholin | 0:2325d1d28df3 | 461 | this->settings.Fsk.Datarate = datarate; |
fholin | 0:2325d1d28df3 | 462 | this->settings.Fsk.PreambleLen = preambleLen; |
fholin | 0:2325d1d28df3 | 463 | this->settings.Fsk.FixLen = fixLen; |
fholin | 0:2325d1d28df3 | 464 | this->settings.Fsk.CrcOn = crcOn; |
fholin | 0:2325d1d28df3 | 465 | this->settings.Fsk.IqInverted = iqInverted; |
fholin | 0:2325d1d28df3 | 466 | this->settings.Fsk.TxTimeout = timeout; |
fholin | 0:2325d1d28df3 | 467 | |
fholin | 0:2325d1d28df3 | 468 | fdev = ( uint16_t )( ( double )fdev / ( double )FREQ_STEP ); |
fholin | 0:2325d1d28df3 | 469 | Write( REG_FDEVMSB, ( uint8_t )( fdev >> 8 ) ); |
fholin | 0:2325d1d28df3 | 470 | Write( REG_FDEVLSB, ( uint8_t )( fdev & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 471 | |
fholin | 0:2325d1d28df3 | 472 | datarate = ( uint16_t )( ( double )XTAL_FREQ / ( double )datarate ); |
fholin | 0:2325d1d28df3 | 473 | Write( REG_BITRATEMSB, ( uint8_t )( datarate >> 8 ) ); |
fholin | 0:2325d1d28df3 | 474 | Write( REG_BITRATELSB, ( uint8_t )( datarate & 0xFF ) ); |
fholin | 0:2325d1d28df3 | 475 | |
fholin | 0:2325d1d28df3 | 476 | Write( REG_PREAMBLEMSB, ( preambleLen >> 8 ) & 0x00FF ); |
fholin | 0:2325d1d28df3 | 477 | Write( REG_PREAMBLELSB, preambleLen & 0xFF ); |
fholin | 0:2325d1d28df3 | 478 | |
fholin | 0:2325d1d28df3 | 479 | Write( REG_PACKETCONFIG1, |
fholin | 0:2325d1d28df3 | 480 | ( Read( REG_PACKETCONFIG1 ) & |
fholin | 0:2325d1d28df3 | 481 | RF_PACKETCONFIG1_CRC_MASK & |
fholin | 0:2325d1d28df3 | 482 | RF_PACKETCONFIG1_PACKETFORMAT_MASK ) | |
fholin | 0:2325d1d28df3 | 483 | ( ( fixLen == 1 ) ? RF_PACKETCONFIG1_PACKETFORMAT_FIXED : RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE ) | |
fholin | 0:2325d1d28df3 | 484 | ( crcOn << 4 ) ); |
fholin | 0:2325d1d28df3 | 485 | |
fholin | 0:2325d1d28df3 | 486 | } |
fholin | 0:2325d1d28df3 | 487 | break; |
fholin | 0:2325d1d28df3 | 488 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 489 | { |
fholin | 0:2325d1d28df3 | 490 | this->settings.LoRa.Power = power; |
fholin | 0:2325d1d28df3 | 491 | if( bandwidth > 2 ) |
fholin | 0:2325d1d28df3 | 492 | { |
fholin | 0:2325d1d28df3 | 493 | // Fatal error: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported |
fholin | 0:2325d1d28df3 | 494 | while( 1 ); |
fholin | 0:2325d1d28df3 | 495 | } |
fholin | 0:2325d1d28df3 | 496 | bandwidth += 7; |
fholin | 0:2325d1d28df3 | 497 | this->settings.LoRa.Bandwidth = bandwidth; |
fholin | 0:2325d1d28df3 | 498 | this->settings.LoRa.Datarate = datarate; |
fholin | 0:2325d1d28df3 | 499 | this->settings.LoRa.Coderate = coderate; |
fholin | 0:2325d1d28df3 | 500 | this->settings.LoRa.PreambleLen = preambleLen; |
fholin | 0:2325d1d28df3 | 501 | this->settings.LoRa.FixLen = fixLen; |
fholin | 0:2325d1d28df3 | 502 | this->settings.LoRa.FreqHopOn = freqHopOn; |
fholin | 0:2325d1d28df3 | 503 | this->settings.LoRa.HopPeriod = hopPeriod; |
fholin | 0:2325d1d28df3 | 504 | this->settings.LoRa.CrcOn = crcOn; |
fholin | 0:2325d1d28df3 | 505 | this->settings.LoRa.IqInverted = iqInverted; |
fholin | 0:2325d1d28df3 | 506 | this->settings.LoRa.TxTimeout = timeout; |
fholin | 0:2325d1d28df3 | 507 | |
fholin | 0:2325d1d28df3 | 508 | if( datarate > 12 ) |
fholin | 0:2325d1d28df3 | 509 | { |
fholin | 0:2325d1d28df3 | 510 | datarate = 12; |
fholin | 0:2325d1d28df3 | 511 | } |
fholin | 0:2325d1d28df3 | 512 | else if( datarate < 6 ) |
fholin | 0:2325d1d28df3 | 513 | { |
fholin | 0:2325d1d28df3 | 514 | datarate = 6; |
fholin | 0:2325d1d28df3 | 515 | } |
fholin | 0:2325d1d28df3 | 516 | if( ( ( bandwidth == 7 ) && ( ( datarate == 11 ) || ( datarate == 12 ) ) ) || |
fholin | 0:2325d1d28df3 | 517 | ( ( bandwidth == 8 ) && ( datarate == 12 ) ) ) |
fholin | 0:2325d1d28df3 | 518 | |
fholin | 0:2325d1d28df3 | 519 | { |
fholin | 0:2325d1d28df3 | 520 | this->settings.LoRa.LowDatarateOptimize = 0x01; |
fholin | 0:2325d1d28df3 | 521 | } |
fholin | 0:2325d1d28df3 | 522 | else |
fholin | 0:2325d1d28df3 | 523 | { |
fholin | 0:2325d1d28df3 | 524 | this->settings.LoRa.LowDatarateOptimize = 0x00; |
fholin | 0:2325d1d28df3 | 525 | } |
fholin | 0:2325d1d28df3 | 526 | |
fholin | 0:2325d1d28df3 | 527 | if( this->settings.LoRa.FreqHopOn == true ) |
fholin | 0:2325d1d28df3 | 528 | { |
fholin | 0:2325d1d28df3 | 529 | // DEBUG_PRINT("Send freq hop mod!!!! \n"); |
fholin | 0:2325d1d28df3 | 530 | Write( REG_LR_PLLHOP, ( Read( REG_LR_PLLHOP ) & RFLR_PLLHOP_FASTHOP_MASK ) | RFLR_PLLHOP_FASTHOP_ON ); |
fholin | 0:2325d1d28df3 | 531 | Write( REG_LR_HOPPERIOD, this->settings.LoRa.HopPeriod ); |
fholin | 0:2325d1d28df3 | 532 | } |
fholin | 0:2325d1d28df3 | 533 | |
fholin | 0:2325d1d28df3 | 534 | Write( REG_LR_MODEMCONFIG1, |
fholin | 0:2325d1d28df3 | 535 | ( Read( REG_LR_MODEMCONFIG1 ) & |
fholin | 0:2325d1d28df3 | 536 | RFLR_MODEMCONFIG1_BW_MASK & |
fholin | 0:2325d1d28df3 | 537 | RFLR_MODEMCONFIG1_CODINGRATE_MASK & |
fholin | 0:2325d1d28df3 | 538 | RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK ) | |
fholin | 0:2325d1d28df3 | 539 | ( bandwidth << 4 ) | ( coderate << 1 ) | |
fholin | 0:2325d1d28df3 | 540 | fixLen ); |
fholin | 0:2325d1d28df3 | 541 | |
fholin | 0:2325d1d28df3 | 542 | Write( REG_LR_MODEMCONFIG2, |
fholin | 0:2325d1d28df3 | 543 | ( Read( REG_LR_MODEMCONFIG2 ) & |
fholin | 0:2325d1d28df3 | 544 | RFLR_MODEMCONFIG2_SF_MASK & |
fholin | 0:2325d1d28df3 | 545 | RFLR_MODEMCONFIG2_RXPAYLOADCRC_MASK ) | |
fholin | 0:2325d1d28df3 | 546 | ( datarate << 4 ) | ( crcOn << 2 ) ); |
fholin | 0:2325d1d28df3 | 547 | |
fholin | 0:2325d1d28df3 | 548 | Write( REG_LR_MODEMCONFIG3, |
fholin | 0:2325d1d28df3 | 549 | ( Read( REG_LR_MODEMCONFIG3 ) & |
fholin | 0:2325d1d28df3 | 550 | RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK ) | |
fholin | 0:2325d1d28df3 | 551 | ( this->settings.LoRa.LowDatarateOptimize << 3 ) ); |
fholin | 0:2325d1d28df3 | 552 | |
fholin | 0:2325d1d28df3 | 553 | Write( REG_LR_PREAMBLEMSB, ( preambleLen >> 8 ) & 0x00FF ); |
fholin | 0:2325d1d28df3 | 554 | Write( REG_LR_PREAMBLELSB, preambleLen & 0xFF ); |
fholin | 0:2325d1d28df3 | 555 | |
fholin | 0:2325d1d28df3 | 556 | if( datarate == 6 ) |
fholin | 0:2325d1d28df3 | 557 | { |
fholin | 0:2325d1d28df3 | 558 | Write( REG_LR_DETECTOPTIMIZE, |
fholin | 0:2325d1d28df3 | 559 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
fholin | 0:2325d1d28df3 | 560 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
fholin | 0:2325d1d28df3 | 561 | RFLR_DETECTIONOPTIMIZE_SF6 ); |
fholin | 0:2325d1d28df3 | 562 | Write( REG_LR_DETECTIONTHRESHOLD, |
fholin | 0:2325d1d28df3 | 563 | RFLR_DETECTIONTHRESH_SF6 ); |
fholin | 0:2325d1d28df3 | 564 | } |
fholin | 0:2325d1d28df3 | 565 | else |
fholin | 0:2325d1d28df3 | 566 | { |
fholin | 0:2325d1d28df3 | 567 | Write( REG_LR_DETECTOPTIMIZE, |
fholin | 0:2325d1d28df3 | 568 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
fholin | 0:2325d1d28df3 | 569 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
fholin | 0:2325d1d28df3 | 570 | RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12 ); |
fholin | 0:2325d1d28df3 | 571 | Write( REG_LR_DETECTIONTHRESHOLD, |
fholin | 0:2325d1d28df3 | 572 | RFLR_DETECTIONTHRESH_SF7_TO_SF12 ); |
fholin | 0:2325d1d28df3 | 573 | } |
fholin | 0:2325d1d28df3 | 574 | } |
fholin | 0:2325d1d28df3 | 575 | break; |
fholin | 0:2325d1d28df3 | 576 | } |
fholin | 0:2325d1d28df3 | 577 | } |
fholin | 0:2325d1d28df3 | 578 | |
fholin | 0:2325d1d28df3 | 579 | double SX1276::TimeOnAir( RadioModems_t modem, uint8_t pktLen ) |
fholin | 0:2325d1d28df3 | 580 | { |
fholin | 0:2325d1d28df3 | 581 | uint32_t airTime = 0; |
fholin | 0:2325d1d28df3 | 582 | |
fholin | 0:2325d1d28df3 | 583 | switch( modem ) |
fholin | 0:2325d1d28df3 | 584 | { |
fholin | 0:2325d1d28df3 | 585 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 586 | { |
fholin | 0:2325d1d28df3 | 587 | airTime = rint( ( 8 * ( this->settings.Fsk.PreambleLen + |
fholin | 0:2325d1d28df3 | 588 | ( ( Read( REG_SYNCCONFIG ) & ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + 1 ) + |
fholin | 0:2325d1d28df3 | 589 | ( ( this->settings.Fsk.FixLen == 0x01 ) ? 0.0 : 1.0 ) + |
fholin | 0:2325d1d28df3 | 590 | ( ( ( Read( REG_PACKETCONFIG1 ) & ~RF_PACKETCONFIG1_ADDRSFILTERING_MASK ) != 0x00 ) ? 1.0 : 0 ) + |
fholin | 0:2325d1d28df3 | 591 | pktLen + |
fholin | 0:2325d1d28df3 | 592 | ( ( this->settings.Fsk.CrcOn == 0x01 ) ? 2.0 : 0 ) ) / |
fholin | 0:2325d1d28df3 | 593 | this->settings.Fsk.Datarate ) * 1e6 ); |
fholin | 0:2325d1d28df3 | 594 | } |
fholin | 0:2325d1d28df3 | 595 | break; |
fholin | 0:2325d1d28df3 | 596 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 597 | { |
fholin | 0:2325d1d28df3 | 598 | double bw = 0.0; |
fholin | 0:2325d1d28df3 | 599 | // REMARK: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported |
fholin | 0:2325d1d28df3 | 600 | switch( this->settings.LoRa.Bandwidth ) |
fholin | 0:2325d1d28df3 | 601 | { |
fholin | 0:2325d1d28df3 | 602 | //case 0: // 7.8 kHz |
fholin | 0:2325d1d28df3 | 603 | // bw = 78e2; |
fholin | 0:2325d1d28df3 | 604 | // break; |
fholin | 0:2325d1d28df3 | 605 | //case 1: // 10.4 kHz |
fholin | 0:2325d1d28df3 | 606 | // bw = 104e2; |
fholin | 0:2325d1d28df3 | 607 | // break; |
fholin | 0:2325d1d28df3 | 608 | //case 2: // 15.6 kHz |
fholin | 0:2325d1d28df3 | 609 | // bw = 156e2; |
fholin | 0:2325d1d28df3 | 610 | // break; |
fholin | 0:2325d1d28df3 | 611 | //case 3: // 20.8 kHz |
fholin | 0:2325d1d28df3 | 612 | // bw = 208e2; |
fholin | 0:2325d1d28df3 | 613 | // break; |
fholin | 0:2325d1d28df3 | 614 | //case 4: // 31.2 kHz |
fholin | 0:2325d1d28df3 | 615 | // bw = 312e2; |
fholin | 0:2325d1d28df3 | 616 | // break; |
fholin | 0:2325d1d28df3 | 617 | //case 5: // 41.4 kHz |
fholin | 0:2325d1d28df3 | 618 | // bw = 414e2; |
fholin | 0:2325d1d28df3 | 619 | // break; |
fholin | 0:2325d1d28df3 | 620 | //case 6: // 62.5 kHz |
fholin | 0:2325d1d28df3 | 621 | // bw = 625e2; |
fholin | 0:2325d1d28df3 | 622 | // break; |
fholin | 0:2325d1d28df3 | 623 | case 7: // 125 kHz |
fholin | 0:2325d1d28df3 | 624 | bw = 125e3; |
fholin | 0:2325d1d28df3 | 625 | break; |
fholin | 0:2325d1d28df3 | 626 | case 8: // 250 kHz |
fholin | 0:2325d1d28df3 | 627 | bw = 250e3; |
fholin | 0:2325d1d28df3 | 628 | break; |
fholin | 0:2325d1d28df3 | 629 | case 9: // 500 kHz |
fholin | 0:2325d1d28df3 | 630 | bw = 500e3; |
fholin | 0:2325d1d28df3 | 631 | break; |
fholin | 0:2325d1d28df3 | 632 | } |
fholin | 0:2325d1d28df3 | 633 | |
fholin | 0:2325d1d28df3 | 634 | // Symbol rate : time for one symbol (secs) |
fholin | 0:2325d1d28df3 | 635 | double rs = bw / ( 1 << this->settings.LoRa.Datarate ); |
fholin | 0:2325d1d28df3 | 636 | double ts = 1 / rs; |
fholin | 0:2325d1d28df3 | 637 | // time of preamble |
fholin | 0:2325d1d28df3 | 638 | double tPreamble = ( this->settings.LoRa.PreambleLen + 4.25 ) * ts; |
fholin | 0:2325d1d28df3 | 639 | // Symbol length of payload and time |
fholin | 0:2325d1d28df3 | 640 | double tmp = ceil( ( 8 * pktLen - 4 * this->settings.LoRa.Datarate + |
fholin | 0:2325d1d28df3 | 641 | 28 + 16 * this->settings.LoRa.CrcOn - |
fholin | 0:2325d1d28df3 | 642 | ( this->settings.LoRa.FixLen ? 20 : 0 ) ) / |
fholin | 0:2325d1d28df3 | 643 | ( double )( 4 * this->settings.LoRa.Datarate - |
fholin | 0:2325d1d28df3 | 644 | ( ( this->settings.LoRa.LowDatarateOptimize > 0 ) ? 2 : 0 ) ) ) * |
fholin | 0:2325d1d28df3 | 645 | ( this->settings.LoRa.Coderate + 4 ); |
fholin | 0:2325d1d28df3 | 646 | double nPayload = 8 + ( ( tmp > 0 ) ? tmp : 0 ); |
fholin | 0:2325d1d28df3 | 647 | double tPayload = nPayload * ts; |
fholin | 0:2325d1d28df3 | 648 | // Time on air |
fholin | 0:2325d1d28df3 | 649 | double tOnAir = tPreamble + tPayload; |
fholin | 0:2325d1d28df3 | 650 | // return us secs |
fholin | 0:2325d1d28df3 | 651 | airTime = floor( tOnAir * 1e6 + 0.999 ); |
fholin | 0:2325d1d28df3 | 652 | } |
fholin | 0:2325d1d28df3 | 653 | break; |
fholin | 0:2325d1d28df3 | 654 | } |
fholin | 0:2325d1d28df3 | 655 | return airTime; |
fholin | 0:2325d1d28df3 | 656 | } |
fholin | 0:2325d1d28df3 | 657 | |
fholin | 0:2325d1d28df3 | 658 | void SX1276::Send( uint8_t *buffer, uint8_t size ) |
fholin | 0:2325d1d28df3 | 659 | { |
fholin | 0:2325d1d28df3 | 660 | uint32_t txTimeout = 0; |
fholin | 0:2325d1d28df3 | 661 | // DEBUG_PRINT(("Send func enter \n")); |
fholin | 0:2325d1d28df3 | 662 | //dio0.rise(this, &SX1276::OnDio0Irq); |
fholin | 0:2325d1d28df3 | 663 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 664 | { |
fholin | 0:2325d1d28df3 | 665 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 666 | { |
fholin | 0:2325d1d28df3 | 667 | this->settings.FskPacketHandler.NbBytes = 0; |
fholin | 0:2325d1d28df3 | 668 | this->settings.FskPacketHandler.Size = size; |
fholin | 0:2325d1d28df3 | 669 | |
fholin | 0:2325d1d28df3 | 670 | if( this->settings.Fsk.FixLen == false ) |
fholin | 0:2325d1d28df3 | 671 | { |
fholin | 0:2325d1d28df3 | 672 | WriteFifo( ( uint8_t* )&size, 1 ); |
fholin | 0:2325d1d28df3 | 673 | } |
fholin | 0:2325d1d28df3 | 674 | else |
fholin | 0:2325d1d28df3 | 675 | { |
fholin | 0:2325d1d28df3 | 676 | Write( REG_PAYLOADLENGTH, size ); |
fholin | 0:2325d1d28df3 | 677 | } |
fholin | 0:2325d1d28df3 | 678 | |
fholin | 0:2325d1d28df3 | 679 | if( ( size > 0 ) && ( size <= 64 ) ) |
fholin | 0:2325d1d28df3 | 680 | { |
fholin | 0:2325d1d28df3 | 681 | this->settings.FskPacketHandler.ChunkSize = size; |
fholin | 0:2325d1d28df3 | 682 | } |
fholin | 0:2325d1d28df3 | 683 | else |
fholin | 0:2325d1d28df3 | 684 | { |
fholin | 0:2325d1d28df3 | 685 | this->settings.FskPacketHandler.ChunkSize = 32; |
fholin | 0:2325d1d28df3 | 686 | } |
fholin | 0:2325d1d28df3 | 687 | |
fholin | 0:2325d1d28df3 | 688 | // Write payload buffer |
fholin | 0:2325d1d28df3 | 689 | WriteFifo( buffer, this->settings.FskPacketHandler.ChunkSize ); |
fholin | 0:2325d1d28df3 | 690 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.ChunkSize; |
fholin | 0:2325d1d28df3 | 691 | txTimeout = this->settings.Fsk.TxTimeout; |
fholin | 0:2325d1d28df3 | 692 | } |
fholin | 0:2325d1d28df3 | 693 | break; |
fholin | 0:2325d1d28df3 | 694 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 695 | { |
fholin | 0:2325d1d28df3 | 696 | |
fholin | 0:2325d1d28df3 | 697 | if( this->settings.LoRa.IqInverted == true ) |
fholin | 0:2325d1d28df3 | 698 | { |
fholin | 0:2325d1d28df3 | 699 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_ON ) ); |
fholin | 0:2325d1d28df3 | 700 | Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_ON ); |
fholin | 0:2325d1d28df3 | 701 | } |
fholin | 0:2325d1d28df3 | 702 | else |
fholin | 0:2325d1d28df3 | 703 | { |
fholin | 0:2325d1d28df3 | 704 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_OFF ) ); |
fholin | 0:2325d1d28df3 | 705 | Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_OFF ); |
fholin | 0:2325d1d28df3 | 706 | } |
fholin | 0:2325d1d28df3 | 707 | |
fholin | 0:2325d1d28df3 | 708 | this->settings.LoRaPacketHandler.Size = size; |
fholin | 0:2325d1d28df3 | 709 | |
fholin | 0:2325d1d28df3 | 710 | // Initializes the payload size |
fholin | 0:2325d1d28df3 | 711 | Write( REG_LR_PAYLOADLENGTH, size ); |
fholin | 0:2325d1d28df3 | 712 | |
fholin | 0:2325d1d28df3 | 713 | // Full buffer used for Tx |
fholin | 0:2325d1d28df3 | 714 | Write( REG_LR_FIFOTXBASEADDR, 0 ); |
fholin | 0:2325d1d28df3 | 715 | Write( REG_LR_FIFOADDRPTR, 0 ); |
fholin | 0:2325d1d28df3 | 716 | |
fholin | 0:2325d1d28df3 | 717 | // FIFO operations can not take place in Sleep mode |
fholin | 0:2325d1d28df3 | 718 | if( ( Read( REG_OPMODE ) & ~RF_OPMODE_MASK ) == RF_OPMODE_SLEEP ) |
fholin | 0:2325d1d28df3 | 719 | { |
fholin | 0:2325d1d28df3 | 720 | Standby( ); |
fholin | 0:2325d1d28df3 | 721 | wait_ms( 1 ); |
fholin | 0:2325d1d28df3 | 722 | } |
fholin | 0:2325d1d28df3 | 723 | // Write payload buffer |
fholin | 0:2325d1d28df3 | 724 | WriteFifo( buffer, size ); |
fholin | 0:2325d1d28df3 | 725 | txTimeout = this->settings.LoRa.TxTimeout; |
fholin | 0:2325d1d28df3 | 726 | } |
fholin | 0:2325d1d28df3 | 727 | break; |
fholin | 0:2325d1d28df3 | 728 | } |
fholin | 0:2325d1d28df3 | 729 | |
fholin | 0:2325d1d28df3 | 730 | Tx( txTimeout ); |
fholin | 0:2325d1d28df3 | 731 | } |
fholin | 0:2325d1d28df3 | 732 | |
fholin | 0:2325d1d28df3 | 733 | void SX1276::Sleep( void ) |
fholin | 0:2325d1d28df3 | 734 | { |
fholin | 0:2325d1d28df3 | 735 | txTimeoutTimer.detach( ); |
fholin | 0:2325d1d28df3 | 736 | rxTimeoutTimer.detach( ); |
fholin | 0:2325d1d28df3 | 737 | |
fholin | 0:2325d1d28df3 | 738 | SetOpMode( RF_OPMODE_SLEEP ); |
fholin | 0:2325d1d28df3 | 739 | this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 740 | } |
fholin | 0:2325d1d28df3 | 741 | |
fholin | 0:2325d1d28df3 | 742 | void SX1276::Standby( void ) |
fholin | 0:2325d1d28df3 | 743 | { |
fholin | 0:2325d1d28df3 | 744 | txTimeoutTimer.detach( ); |
fholin | 0:2325d1d28df3 | 745 | rxTimeoutTimer.detach( ); |
fholin | 0:2325d1d28df3 | 746 | |
fholin | 0:2325d1d28df3 | 747 | SetOpMode( RF_OPMODE_STANDBY ); |
fholin | 0:2325d1d28df3 | 748 | this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 749 | } |
fholin | 0:2325d1d28df3 | 750 | |
fholin | 0:2325d1d28df3 | 751 | void SX1276::Rx( uint32_t timeout ) |
fholin | 0:2325d1d28df3 | 752 | { |
fholin | 0:2325d1d28df3 | 753 | bool rxContinuous = false; |
fholin | 0:2325d1d28df3 | 754 | |
fholin | 0:2325d1d28df3 | 755 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 756 | { |
fholin | 0:2325d1d28df3 | 757 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 758 | { |
fholin | 0:2325d1d28df3 | 759 | rxContinuous = this->settings.Fsk.RxContinuous; |
fholin | 0:2325d1d28df3 | 760 | |
fholin | 0:2325d1d28df3 | 761 | // DIO0=PayloadReady |
fholin | 0:2325d1d28df3 | 762 | // DIO1=FifoLevel |
fholin | 0:2325d1d28df3 | 763 | // DIO2=SyncAddr |
fholin | 0:2325d1d28df3 | 764 | // DIO3=FifoEmpty |
fholin | 0:2325d1d28df3 | 765 | // DIO4=Preamble |
fholin | 0:2325d1d28df3 | 766 | // DIO5=ModeReady |
fholin | 0:2325d1d28df3 | 767 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK & |
fholin | 0:2325d1d28df3 | 768 | RF_DIOMAPPING1_DIO2_MASK ) | |
fholin | 0:2325d1d28df3 | 769 | RF_DIOMAPPING1_DIO0_00 | |
fholin | 0:2325d1d28df3 | 770 | RF_DIOMAPPING1_DIO2_11 ); |
fholin | 0:2325d1d28df3 | 771 | |
fholin | 0:2325d1d28df3 | 772 | Write( REG_DIOMAPPING2, ( Read( REG_DIOMAPPING2 ) & RF_DIOMAPPING2_DIO4_MASK & |
fholin | 0:2325d1d28df3 | 773 | RF_DIOMAPPING2_MAP_MASK ) | |
fholin | 0:2325d1d28df3 | 774 | RF_DIOMAPPING2_DIO4_11 | |
fholin | 0:2325d1d28df3 | 775 | RF_DIOMAPPING2_MAP_PREAMBLEDETECT ); |
fholin | 0:2325d1d28df3 | 776 | |
fholin | 0:2325d1d28df3 | 777 | this->settings.FskPacketHandler.FifoThresh = Read( REG_FIFOTHRESH ) & 0x3F; |
fholin | 0:2325d1d28df3 | 778 | |
fholin | 0:2325d1d28df3 | 779 | this->settings.FskPacketHandler.PreambleDetected = false; |
fholin | 0:2325d1d28df3 | 780 | this->settings.FskPacketHandler.SyncWordDetected = false; |
fholin | 0:2325d1d28df3 | 781 | this->settings.FskPacketHandler.NbBytes = 0; |
fholin | 0:2325d1d28df3 | 782 | this->settings.FskPacketHandler.Size = 0; |
fholin | 0:2325d1d28df3 | 783 | } |
fholin | 0:2325d1d28df3 | 784 | break; |
fholin | 0:2325d1d28df3 | 785 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 786 | { |
fholin | 0:2325d1d28df3 | 787 | if( this->settings.LoRa.IqInverted == true ) |
fholin | 0:2325d1d28df3 | 788 | { |
fholin | 0:2325d1d28df3 | 789 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_ON | RFLR_INVERTIQ_TX_OFF ) ); |
fholin | 0:2325d1d28df3 | 790 | Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_ON ); |
fholin | 0:2325d1d28df3 | 791 | } |
fholin | 0:2325d1d28df3 | 792 | else |
fholin | 0:2325d1d28df3 | 793 | { |
fholin | 0:2325d1d28df3 | 794 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_OFF ) ); |
fholin | 0:2325d1d28df3 | 795 | Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_OFF ); |
fholin | 0:2325d1d28df3 | 796 | } |
fholin | 0:2325d1d28df3 | 797 | |
fholin | 0:2325d1d28df3 | 798 | |
fholin | 0:2325d1d28df3 | 799 | // ERRATA 2.3 - Receiver Spurious Reception of a LoRa Signal |
fholin | 0:2325d1d28df3 | 800 | if( this->settings.LoRa.Bandwidth < 9 ) |
fholin | 0:2325d1d28df3 | 801 | { |
fholin | 0:2325d1d28df3 | 802 | Write( REG_LR_DETECTOPTIMIZE, Read( REG_LR_DETECTOPTIMIZE ) & 0x7F ); |
fholin | 0:2325d1d28df3 | 803 | Write( REG_LR_TEST30, 0x00 ); |
fholin | 0:2325d1d28df3 | 804 | switch( this->settings.LoRa.Bandwidth ) |
fholin | 0:2325d1d28df3 | 805 | { |
fholin | 0:2325d1d28df3 | 806 | case 0: // 7.8 kHz |
fholin | 0:2325d1d28df3 | 807 | Write( REG_LR_TEST2F, 0x48 ); |
fholin | 0:2325d1d28df3 | 808 | SetChannel(this->settings.Channel + 7.81e3 ); |
fholin | 0:2325d1d28df3 | 809 | break; |
fholin | 0:2325d1d28df3 | 810 | case 1: // 10.4 kHz |
fholin | 0:2325d1d28df3 | 811 | Write( REG_LR_TEST2F, 0x44 ); |
fholin | 0:2325d1d28df3 | 812 | SetChannel(this->settings.Channel + 10.42e3 ); |
fholin | 0:2325d1d28df3 | 813 | break; |
fholin | 0:2325d1d28df3 | 814 | case 2: // 15.6 kHz |
fholin | 0:2325d1d28df3 | 815 | Write( REG_LR_TEST2F, 0x44 ); |
fholin | 0:2325d1d28df3 | 816 | SetChannel(this->settings.Channel + 15.62e3 ); |
fholin | 0:2325d1d28df3 | 817 | break; |
fholin | 0:2325d1d28df3 | 818 | case 3: // 20.8 kHz |
fholin | 0:2325d1d28df3 | 819 | Write( REG_LR_TEST2F, 0x44 ); |
fholin | 0:2325d1d28df3 | 820 | SetChannel(this->settings.Channel + 20.83e3 ); |
fholin | 0:2325d1d28df3 | 821 | break; |
fholin | 0:2325d1d28df3 | 822 | case 4: // 31.2 kHz |
fholin | 0:2325d1d28df3 | 823 | Write( REG_LR_TEST2F, 0x44 ); |
fholin | 0:2325d1d28df3 | 824 | SetChannel(this->settings.Channel + 31.25e3 ); |
fholin | 0:2325d1d28df3 | 825 | break; |
fholin | 0:2325d1d28df3 | 826 | case 5: // 41.4 kHz |
fholin | 0:2325d1d28df3 | 827 | Write( REG_LR_TEST2F, 0x44 ); |
fholin | 0:2325d1d28df3 | 828 | SetChannel(this->settings.Channel + 41.67e3 ); |
fholin | 0:2325d1d28df3 | 829 | break; |
fholin | 0:2325d1d28df3 | 830 | case 6: // 62.5 kHz |
fholin | 0:2325d1d28df3 | 831 | Write( REG_LR_TEST2F, 0x40 ); |
fholin | 0:2325d1d28df3 | 832 | break; |
fholin | 0:2325d1d28df3 | 833 | case 7: // 125 kHz |
fholin | 0:2325d1d28df3 | 834 | Write( REG_LR_TEST2F, 0x40 ); |
fholin | 0:2325d1d28df3 | 835 | break; |
fholin | 0:2325d1d28df3 | 836 | case 8: // 250 kHz |
fholin | 0:2325d1d28df3 | 837 | Write( REG_LR_TEST2F, 0x40 ); |
fholin | 0:2325d1d28df3 | 838 | break; |
fholin | 0:2325d1d28df3 | 839 | } |
fholin | 0:2325d1d28df3 | 840 | } |
fholin | 0:2325d1d28df3 | 841 | else |
fholin | 0:2325d1d28df3 | 842 | { |
fholin | 0:2325d1d28df3 | 843 | Write( REG_LR_DETECTOPTIMIZE, Read( REG_LR_DETECTOPTIMIZE ) | 0x80 ); |
fholin | 0:2325d1d28df3 | 844 | } |
fholin | 0:2325d1d28df3 | 845 | |
fholin | 0:2325d1d28df3 | 846 | rxContinuous = this->settings.LoRa.RxContinuous; |
fholin | 0:2325d1d28df3 | 847 | |
fholin | 0:2325d1d28df3 | 848 | if( this->settings.LoRa.FreqHopOn == true ) |
fholin | 0:2325d1d28df3 | 849 | { |
fholin | 0:2325d1d28df3 | 850 | Write( REG_LR_IRQFLAGSMASK, //RFLR_IRQFLAGS_RXTIMEOUT | |
fholin | 0:2325d1d28df3 | 851 | //RFLR_IRQFLAGS_RXDONE | |
fholin | 0:2325d1d28df3 | 852 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
fholin | 0:2325d1d28df3 | 853 | RFLR_IRQFLAGS_VALIDHEADER | |
fholin | 0:2325d1d28df3 | 854 | RFLR_IRQFLAGS_TXDONE | |
fholin | 0:2325d1d28df3 | 855 | RFLR_IRQFLAGS_CADDONE | |
fholin | 0:2325d1d28df3 | 856 | //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
fholin | 0:2325d1d28df3 | 857 | RFLR_IRQFLAGS_CADDETECTED ); |
fholin | 0:2325d1d28df3 | 858 | |
fholin | 0:2325d1d28df3 | 859 | // DIO0=RxDone, DIO2=FhssChangeChannel |
fholin | 0:2325d1d28df3 | 860 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK & RFLR_DIOMAPPING1_DIO2_MASK ) | RFLR_DIOMAPPING1_DIO0_00 | RFLR_DIOMAPPING1_DIO2_00 ); |
fholin | 0:2325d1d28df3 | 861 | } |
fholin | 0:2325d1d28df3 | 862 | else |
fholin | 0:2325d1d28df3 | 863 | { |
fholin | 0:2325d1d28df3 | 864 | Write( REG_LR_IRQFLAGSMASK, //RFLR_IRQFLAGS_RXTIMEOUT | |
fholin | 0:2325d1d28df3 | 865 | //RFLR_IRQFLAGS_RXDONE | |
fholin | 0:2325d1d28df3 | 866 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
fholin | 0:2325d1d28df3 | 867 | RFLR_IRQFLAGS_VALIDHEADER | |
fholin | 0:2325d1d28df3 | 868 | RFLR_IRQFLAGS_TXDONE | |
fholin | 0:2325d1d28df3 | 869 | RFLR_IRQFLAGS_CADDONE | |
fholin | 0:2325d1d28df3 | 870 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
fholin | 0:2325d1d28df3 | 871 | RFLR_IRQFLAGS_CADDETECTED ); |
fholin | 0:2325d1d28df3 | 872 | |
fholin | 0:2325d1d28df3 | 873 | // DIO0=RxDone @modify by fabien |
fholin | 0:2325d1d28df3 | 874 | //Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_00 ); |
fholin | 0:2325d1d28df3 | 875 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK & RFLR_DIOMAPPING1_DIO1_MASK ) | RFLR_DIOMAPPING1_DIO0_00 | RFLR_DIOMAPPING1_DIO1_00 ); |
fholin | 0:2325d1d28df3 | 876 | Write( REG_DIOMAPPING1,0); |
fholin | 0:2325d1d28df3 | 877 | } |
fholin | 0:2325d1d28df3 | 878 | Write( REG_LR_FIFORXBASEADDR, 0 ); |
fholin | 0:2325d1d28df3 | 879 | Write( REG_LR_FIFOADDRPTR, 0 ); |
fholin | 0:2325d1d28df3 | 880 | } |
fholin | 0:2325d1d28df3 | 881 | break; |
fholin | 0:2325d1d28df3 | 882 | } |
fholin | 0:2325d1d28df3 | 883 | |
fholin | 0:2325d1d28df3 | 884 | memset( rxBuffer, 0, ( size_t )RX_BUFFER_SIZE ); |
fholin | 0:2325d1d28df3 | 885 | |
fholin | 0:2325d1d28df3 | 886 | this->settings.State = RF_RX_RUNNING; |
fholin | 0:2325d1d28df3 | 887 | if( timeout != 0 ) |
fholin | 0:2325d1d28df3 | 888 | { |
fholin | 0:2325d1d28df3 | 889 | rxTimeoutTimer.attach_us( this, &SX1276::OnTimeoutIrqtemp, timeout ); |
fholin | 0:2325d1d28df3 | 890 | |
fholin | 0:2325d1d28df3 | 891 | } |
fholin | 0:2325d1d28df3 | 892 | |
fholin | 0:2325d1d28df3 | 893 | if( this->settings.Modem == MODEM_FSK ) |
fholin | 0:2325d1d28df3 | 894 | { |
fholin | 0:2325d1d28df3 | 895 | SetOpMode( RF_OPMODE_RECEIVER ); |
fholin | 0:2325d1d28df3 | 896 | |
fholin | 0:2325d1d28df3 | 897 | if( rxContinuous == false ) |
fholin | 0:2325d1d28df3 | 898 | { |
fholin | 0:2325d1d28df3 | 899 | rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen + |
fholin | 0:2325d1d28df3 | 900 | ( ( Read( REG_SYNCCONFIG ) & |
fholin | 0:2325d1d28df3 | 901 | ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + |
fholin | 0:2325d1d28df3 | 902 | 1.0 ) + 10.0 ) / |
fholin | 0:2325d1d28df3 | 903 | ( double )this->settings.Fsk.Datarate ) * 1e6 ); |
fholin | 0:2325d1d28df3 | 904 | } |
fholin | 0:2325d1d28df3 | 905 | } |
fholin | 0:2325d1d28df3 | 906 | else |
fholin | 0:2325d1d28df3 | 907 | { |
fholin | 0:2325d1d28df3 | 908 | if( rxContinuous == true ) |
fholin | 0:2325d1d28df3 | 909 | { |
fholin | 0:2325d1d28df3 | 910 | |
fholin | 0:2325d1d28df3 | 911 | SetOpMode( RFLR_OPMODE_RECEIVER ); |
fholin | 0:2325d1d28df3 | 912 | } |
fholin | 0:2325d1d28df3 | 913 | else |
fholin | 0:2325d1d28df3 | 914 | { |
fholin | 0:2325d1d28df3 | 915 | SetOpMode( RFLR_OPMODE_RECEIVER_SINGLE ); |
fholin | 0:2325d1d28df3 | 916 | |
fholin | 0:2325d1d28df3 | 917 | } |
fholin | 0:2325d1d28df3 | 918 | } |
fholin | 0:2325d1d28df3 | 919 | |
fholin | 0:2325d1d28df3 | 920 | |
fholin | 0:2325d1d28df3 | 921 | } |
fholin | 0:2325d1d28df3 | 922 | |
fholin | 0:2325d1d28df3 | 923 | void SX1276::Tx( uint32_t timeout ) |
fholin | 0:2325d1d28df3 | 924 | { |
fholin | 0:2325d1d28df3 | 925 | // DEBUG_PRINT("TX func enter\n"); |
fholin | 0:2325d1d28df3 | 926 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 927 | { |
fholin | 0:2325d1d28df3 | 928 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 929 | { |
fholin | 0:2325d1d28df3 | 930 | // DIO0=PacketSent |
fholin | 0:2325d1d28df3 | 931 | // DIO1=FifoLevel |
fholin | 0:2325d1d28df3 | 932 | // DIO2=FifoFull |
fholin | 0:2325d1d28df3 | 933 | // DIO3=FifoEmpty |
fholin | 0:2325d1d28df3 | 934 | // DIO4=LowBat |
fholin | 0:2325d1d28df3 | 935 | // DIO5=ModeReady |
fholin | 0:2325d1d28df3 | 936 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK & |
fholin | 0:2325d1d28df3 | 937 | RF_DIOMAPPING1_DIO2_MASK ) ); |
fholin | 0:2325d1d28df3 | 938 | |
fholin | 0:2325d1d28df3 | 939 | Write( REG_DIOMAPPING2, ( Read( REG_DIOMAPPING2 ) & RF_DIOMAPPING2_DIO4_MASK & |
fholin | 0:2325d1d28df3 | 940 | RF_DIOMAPPING2_MAP_MASK ) ); |
fholin | 0:2325d1d28df3 | 941 | this->settings.FskPacketHandler.FifoThresh = Read( REG_FIFOTHRESH ) & 0x3F; |
fholin | 0:2325d1d28df3 | 942 | } |
fholin | 0:2325d1d28df3 | 943 | break; |
fholin | 0:2325d1d28df3 | 944 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 945 | { |
fholin | 0:2325d1d28df3 | 946 | //DEBUG_PRINT("TX func in lora mode enter\n"); |
fholin | 0:2325d1d28df3 | 947 | if( this->settings.LoRa.FreqHopOn == true ) |
fholin | 0:2325d1d28df3 | 948 | {//DEBUG_PRINT("TX func in lora freqhop enter\n"); |
fholin | 0:2325d1d28df3 | 949 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
fholin | 0:2325d1d28df3 | 950 | RFLR_IRQFLAGS_RXDONE | |
fholin | 0:2325d1d28df3 | 951 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
fholin | 0:2325d1d28df3 | 952 | RFLR_IRQFLAGS_VALIDHEADER | |
fholin | 0:2325d1d28df3 | 953 | //RFLR_IRQFLAGS_TXDONE | |
fholin | 0:2325d1d28df3 | 954 | RFLR_IRQFLAGS_CADDONE | |
fholin | 0:2325d1d28df3 | 955 | //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
fholin | 0:2325d1d28df3 | 956 | RFLR_IRQFLAGS_CADDETECTED ); |
fholin | 0:2325d1d28df3 | 957 | |
fholin | 0:2325d1d28df3 | 958 | // DIO0=TxDone, DIO2=FhssChangeChannel |
fholin | 0:2325d1d28df3 | 959 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK & RFLR_DIOMAPPING1_DIO2_MASK ) | RFLR_DIOMAPPING1_DIO0_01 | RFLR_DIOMAPPING1_DIO2_00 ); |
fholin | 0:2325d1d28df3 | 960 | } |
fholin | 0:2325d1d28df3 | 961 | else |
fholin | 0:2325d1d28df3 | 962 | { |
fholin | 0:2325d1d28df3 | 963 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
fholin | 0:2325d1d28df3 | 964 | RFLR_IRQFLAGS_RXDONE | |
fholin | 0:2325d1d28df3 | 965 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
fholin | 0:2325d1d28df3 | 966 | RFLR_IRQFLAGS_VALIDHEADER | |
fholin | 0:2325d1d28df3 | 967 | //RFLR_IRQFLAGS_TXDONE | |
fholin | 0:2325d1d28df3 | 968 | RFLR_IRQFLAGS_CADDONE | |
fholin | 0:2325d1d28df3 | 969 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
fholin | 0:2325d1d28df3 | 970 | RFLR_IRQFLAGS_CADDETECTED ); |
fholin | 0:2325d1d28df3 | 971 | |
fholin | 0:2325d1d28df3 | 972 | // DIO0=TxDone |
fholin | 0:2325d1d28df3 | 973 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_01 ); |
fholin | 0:2325d1d28df3 | 974 | } |
fholin | 0:2325d1d28df3 | 975 | } |
fholin | 0:2325d1d28df3 | 976 | break; |
fholin | 0:2325d1d28df3 | 977 | } |
fholin | 0:2325d1d28df3 | 978 | |
fholin | 0:2325d1d28df3 | 979 | |
fholin | 0:2325d1d28df3 | 980 | uint8_t registers[] = { 0x01, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x014, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,0x33,0x39}; |
fholin | 0:2325d1d28df3 | 981 | |
fholin | 0:2325d1d28df3 | 982 | uint8_t i; |
fholin | 0:2325d1d28df3 | 983 | for (i = 0; i < sizeof(registers); i++) |
fholin | 0:2325d1d28df3 | 984 | { |
fholin | 0:2325d1d28df3 | 985 | // pcsx.printf("registers[%x]", registers[i]); |
fholin | 0:2325d1d28df3 | 986 | //pcsx.printf(": "); |
fholin | 0:2325d1d28df3 | 987 | //pcsx.printf("%x\n",Read(registers[i])); |
fholin | 0:2325d1d28df3 | 988 | } |
fholin | 0:2325d1d28df3 | 989 | |
fholin | 0:2325d1d28df3 | 990 | |
fholin | 0:2325d1d28df3 | 991 | |
fholin | 0:2325d1d28df3 | 992 | this->settings.State = RF_TX_RUNNING; |
fholin | 0:2325d1d28df3 | 993 | txTimeoutTimer.attach_us( this, &SX1276::OnTimeoutIrq, timeout ); |
fholin | 0:2325d1d28df3 | 994 | SetOpMode( RF_OPMODE_TRANSMITTER ); |
fholin | 0:2325d1d28df3 | 995 | } |
fholin | 0:2325d1d28df3 | 996 | |
fholin | 0:2325d1d28df3 | 997 | void SX1276::StartCad( void ) |
fholin | 0:2325d1d28df3 | 998 | { |
fholin | 0:2325d1d28df3 | 999 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1000 | { |
fholin | 0:2325d1d28df3 | 1001 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1002 | { |
fholin | 0:2325d1d28df3 | 1003 | |
fholin | 0:2325d1d28df3 | 1004 | } |
fholin | 0:2325d1d28df3 | 1005 | break; |
fholin | 0:2325d1d28df3 | 1006 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1007 | { |
fholin | 0:2325d1d28df3 | 1008 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
fholin | 0:2325d1d28df3 | 1009 | RFLR_IRQFLAGS_RXDONE | |
fholin | 0:2325d1d28df3 | 1010 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
fholin | 0:2325d1d28df3 | 1011 | RFLR_IRQFLAGS_VALIDHEADER | |
fholin | 0:2325d1d28df3 | 1012 | RFLR_IRQFLAGS_TXDONE | |
fholin | 0:2325d1d28df3 | 1013 | //RFLR_IRQFLAGS_CADDONE | |
fholin | 0:2325d1d28df3 | 1014 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL // | |
fholin | 0:2325d1d28df3 | 1015 | //RFLR_IRQFLAGS_CADDETECTED |
fholin | 0:2325d1d28df3 | 1016 | ); |
fholin | 0:2325d1d28df3 | 1017 | |
fholin | 0:2325d1d28df3 | 1018 | // DIO3=CADDone |
fholin | 0:2325d1d28df3 | 1019 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_00 ); |
fholin | 0:2325d1d28df3 | 1020 | |
fholin | 0:2325d1d28df3 | 1021 | this->settings.State = RF_CAD; |
fholin | 0:2325d1d28df3 | 1022 | SetOpMode( RFLR_OPMODE_CAD ); |
fholin | 0:2325d1d28df3 | 1023 | } |
fholin | 0:2325d1d28df3 | 1024 | break; |
fholin | 0:2325d1d28df3 | 1025 | default: |
fholin | 0:2325d1d28df3 | 1026 | break; |
fholin | 0:2325d1d28df3 | 1027 | } |
fholin | 0:2325d1d28df3 | 1028 | } |
fholin | 0:2325d1d28df3 | 1029 | |
fholin | 0:2325d1d28df3 | 1030 | int16_t SX1276::GetRssi( RadioModems_t modem ) |
fholin | 0:2325d1d28df3 | 1031 | { |
fholin | 0:2325d1d28df3 | 1032 | int16_t rssi = 0; |
fholin | 0:2325d1d28df3 | 1033 | |
fholin | 0:2325d1d28df3 | 1034 | switch( modem ) |
fholin | 0:2325d1d28df3 | 1035 | { |
fholin | 0:2325d1d28df3 | 1036 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1037 | rssi = -( Read( REG_RSSIVALUE ) >> 1 ); |
fholin | 0:2325d1d28df3 | 1038 | break; |
fholin | 0:2325d1d28df3 | 1039 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1040 | if( this->settings.Channel > RF_MID_BAND_THRESH ) |
fholin | 0:2325d1d28df3 | 1041 | { |
fholin | 0:2325d1d28df3 | 1042 | rssi = RSSI_OFFSET_HF + Read( REG_LR_RSSIVALUE ); |
fholin | 0:2325d1d28df3 | 1043 | } |
fholin | 0:2325d1d28df3 | 1044 | else |
fholin | 0:2325d1d28df3 | 1045 | { |
fholin | 0:2325d1d28df3 | 1046 | rssi = RSSI_OFFSET_LF + Read( REG_LR_RSSIVALUE ); |
fholin | 0:2325d1d28df3 | 1047 | } |
fholin | 0:2325d1d28df3 | 1048 | break; |
fholin | 0:2325d1d28df3 | 1049 | default: |
fholin | 0:2325d1d28df3 | 1050 | rssi = -1; |
fholin | 0:2325d1d28df3 | 1051 | break; |
fholin | 0:2325d1d28df3 | 1052 | } |
fholin | 0:2325d1d28df3 | 1053 | return rssi; |
fholin | 0:2325d1d28df3 | 1054 | } |
fholin | 0:2325d1d28df3 | 1055 | |
fholin | 0:2325d1d28df3 | 1056 | void SX1276::SetOpMode( uint8_t opMode ) |
fholin | 0:2325d1d28df3 | 1057 | { |
fholin | 0:2325d1d28df3 | 1058 | if( opMode != previousOpMode ) |
fholin | 0:2325d1d28df3 | 1059 | { |
fholin | 0:2325d1d28df3 | 1060 | previousOpMode = opMode; |
fholin | 0:2325d1d28df3 | 1061 | if( opMode == RF_OPMODE_SLEEP ) |
fholin | 0:2325d1d28df3 | 1062 | { |
fholin | 0:2325d1d28df3 | 1063 | SetAntSwLowPower( true ); |
fholin | 0:2325d1d28df3 | 1064 | } |
fholin | 0:2325d1d28df3 | 1065 | else |
fholin | 0:2325d1d28df3 | 1066 | { |
fholin | 0:2325d1d28df3 | 1067 | SetAntSwLowPower( false ); |
fholin | 0:2325d1d28df3 | 1068 | if( opMode == RF_OPMODE_TRANSMITTER ) |
fholin | 0:2325d1d28df3 | 1069 | { |
fholin | 0:2325d1d28df3 | 1070 | SetAntSw( 1 ); |
fholin | 0:2325d1d28df3 | 1071 | } |
fholin | 0:2325d1d28df3 | 1072 | else |
fholin | 0:2325d1d28df3 | 1073 | { |
fholin | 0:2325d1d28df3 | 1074 | SetAntSw( 0 ); |
fholin | 0:2325d1d28df3 | 1075 | } |
fholin | 0:2325d1d28df3 | 1076 | } |
fholin | 0:2325d1d28df3 | 1077 | Write( REG_OPMODE, ( Read( REG_OPMODE ) & RF_OPMODE_MASK ) | opMode ); |
fholin | 0:2325d1d28df3 | 1078 | } |
fholin | 0:2325d1d28df3 | 1079 | } |
fholin | 0:2325d1d28df3 | 1080 | |
fholin | 0:2325d1d28df3 | 1081 | void SX1276::SetModem( RadioModems_t modem ) |
fholin | 0:2325d1d28df3 | 1082 | { |
fholin | 0:2325d1d28df3 | 1083 | if( this->settings.Modem == modem ) |
fholin | 0:2325d1d28df3 | 1084 | { |
fholin | 0:2325d1d28df3 | 1085 | return; |
fholin | 0:2325d1d28df3 | 1086 | } |
fholin | 0:2325d1d28df3 | 1087 | |
fholin | 0:2325d1d28df3 | 1088 | this->settings.Modem = modem; |
fholin | 0:2325d1d28df3 | 1089 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1090 | { |
fholin | 0:2325d1d28df3 | 1091 | default: |
fholin | 0:2325d1d28df3 | 1092 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1093 | SetOpMode( RF_OPMODE_SLEEP ); |
fholin | 0:2325d1d28df3 | 1094 | Write( REG_OPMODE, ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_OFF ); |
fholin | 0:2325d1d28df3 | 1095 | |
fholin | 0:2325d1d28df3 | 1096 | Write( REG_DIOMAPPING1, 0x00 ); |
fholin | 0:2325d1d28df3 | 1097 | Write( REG_DIOMAPPING2, 0x30 ); // DIO5=ModeReady |
fholin | 0:2325d1d28df3 | 1098 | break; |
fholin | 0:2325d1d28df3 | 1099 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1100 | SetOpMode( RF_OPMODE_SLEEP ); |
fholin | 0:2325d1d28df3 | 1101 | Write( REG_OPMODE, ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_ON ); |
fholin | 0:2325d1d28df3 | 1102 | |
fholin | 0:2325d1d28df3 | 1103 | Write( REG_DIOMAPPING1, 0x00 ); |
fholin | 0:2325d1d28df3 | 1104 | Write( REG_DIOMAPPING2, 0x00 ); |
fholin | 0:2325d1d28df3 | 1105 | break; |
fholin | 0:2325d1d28df3 | 1106 | } |
fholin | 0:2325d1d28df3 | 1107 | } |
fholin | 0:2325d1d28df3 | 1108 | |
fholin | 0:2325d1d28df3 | 1109 | void SX1276::SetMaxPayloadLength( RadioModems_t modem, uint8_t max ) |
fholin | 0:2325d1d28df3 | 1110 | { |
fholin | 0:2325d1d28df3 | 1111 | this->SetModem( modem ); |
fholin | 0:2325d1d28df3 | 1112 | |
fholin | 0:2325d1d28df3 | 1113 | switch( modem ) |
fholin | 0:2325d1d28df3 | 1114 | { |
fholin | 0:2325d1d28df3 | 1115 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1116 | if( this->settings.Fsk.FixLen == false ) |
fholin | 0:2325d1d28df3 | 1117 | { |
fholin | 0:2325d1d28df3 | 1118 | this->Write( REG_PAYLOADLENGTH, max ); |
fholin | 0:2325d1d28df3 | 1119 | } |
fholin | 0:2325d1d28df3 | 1120 | break; |
fholin | 0:2325d1d28df3 | 1121 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1122 | this->Write( REG_LR_PAYLOADMAXLENGTH, max ); |
fholin | 0:2325d1d28df3 | 1123 | break; |
fholin | 0:2325d1d28df3 | 1124 | } |
fholin | 0:2325d1d28df3 | 1125 | } |
fholin | 0:2325d1d28df3 | 1126 | |
fholin | 0:2325d1d28df3 | 1127 | void SX1276::OnTimeoutIrqtemp( void ) |
fholin | 0:2325d1d28df3 | 1128 | { |
fholin | 0:2325d1d28df3 | 1129 | // //pcsx.printf("status = %x\n",Read(0x18)); |
fholin | 0:2325d1d28df3 | 1130 | // if (Read(0x18)==0xF) |
fholin | 0:2325d1d28df3 | 1131 | // { |
fholin | 0:2325d1d28df3 | 1132 | // rxTimeoutTimer.detach(); |
fholin | 0:2325d1d28df3 | 1133 | // rxTimeoutTimer.attach_us( this, &SX1276::OnTimeoutIrq, 3e6 ); |
fholin | 0:2325d1d28df3 | 1134 | // } |
fholin | 0:2325d1d28df3 | 1135 | // else |
fholin | 0:2325d1d28df3 | 1136 | // OnTimeoutIrq(); |
fholin | 0:2325d1d28df3 | 1137 | } |
fholin | 0:2325d1d28df3 | 1138 | |
fholin | 0:2325d1d28df3 | 1139 | void SX1276::OnTimeoutIrq( void ) |
fholin | 0:2325d1d28df3 | 1140 | { |
fholin | 0:2325d1d28df3 | 1141 | // //DEBUG_PRINT(("TX timeout func in enter irq flag %d\n", Read(REG_LR_IRQFLAGS)); |
fholin | 0:2325d1d28df3 | 1142 | // Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_TXDONE ); |
fholin | 0:2325d1d28df3 | 1143 | // // DEBUG_PRINT(("TX timeout func in enter irq flag %d\n", Read(REG_LR_IRQFLAGS)); |
fholin | 0:2325d1d28df3 | 1144 | // |
fholin | 0:2325d1d28df3 | 1145 | // switch( this->settings.State ) |
fholin | 0:2325d1d28df3 | 1146 | // { |
fholin | 0:2325d1d28df3 | 1147 | // case RF_RX_RUNNING: |
fholin | 0:2325d1d28df3 | 1148 | // if( this->settings.Modem == MODEM_FSK ) |
fholin | 0:2325d1d28df3 | 1149 | // { |
fholin | 0:2325d1d28df3 | 1150 | // this->settings.FskPacketHandler.PreambleDetected = false; |
fholin | 0:2325d1d28df3 | 1151 | // this->settings.FskPacketHandler.SyncWordDetected = false; |
fholin | 0:2325d1d28df3 | 1152 | // this->settings.FskPacketHandler.NbBytes = 0; |
fholin | 0:2325d1d28df3 | 1153 | // this->settings.FskPacketHandler.Size = 0; |
fholin | 0:2325d1d28df3 | 1154 | |
fholin | 0:2325d1d28df3 | 1155 | // // Clear Irqs |
fholin | 0:2325d1d28df3 | 1156 | // Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI | |
fholin | 0:2325d1d28df3 | 1157 | // RF_IRQFLAGS1_PREAMBLEDETECT | |
fholin | 0:2325d1d28df3 | 1158 | // RF_IRQFLAGS1_SYNCADDRESSMATCH ); |
fholin | 0:2325d1d28df3 | 1159 | // Write( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN ); |
fholin | 0:2325d1d28df3 | 1160 | |
fholin | 0:2325d1d28df3 | 1161 | // if( this->settings.Fsk.RxContinuous == true ) |
fholin | 0:2325d1d28df3 | 1162 | // { |
fholin | 0:2325d1d28df3 | 1163 | // // Continuous mode restart Rx chain |
fholin | 0:2325d1d28df3 | 1164 | // Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); |
fholin | 0:2325d1d28df3 | 1165 | // } |
fholin | 0:2325d1d28df3 | 1166 | // else |
fholin | 0:2325d1d28df3 | 1167 | // { |
fholin | 0:2325d1d28df3 | 1168 | // this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 1169 | // rxTimeoutSyncWord.detach( ); |
fholin | 0:2325d1d28df3 | 1170 | // } |
fholin | 0:2325d1d28df3 | 1171 | // } |
fholin | 0:2325d1d28df3 | 1172 | // if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxTimeout != NULL ) ) |
fholin | 0:2325d1d28df3 | 1173 | // { |
fholin | 0:2325d1d28df3 | 1174 | // this->RadioEvents->RxTimeout( ); |
fholin | 0:2325d1d28df3 | 1175 | // } |
fholin | 0:2325d1d28df3 | 1176 | // break; |
fholin | 0:2325d1d28df3 | 1177 | // case RF_TX_RUNNING: |
fholin | 0:2325d1d28df3 | 1178 | // this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 1179 | // if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->TxTimeout != NULL ) ) |
fholin | 0:2325d1d28df3 | 1180 | // { |
fholin | 0:2325d1d28df3 | 1181 | // this->RadioEvents->TxTimeout( ); |
fholin | 0:2325d1d28df3 | 1182 | // } |
fholin | 0:2325d1d28df3 | 1183 | // break; |
fholin | 0:2325d1d28df3 | 1184 | // default: |
fholin | 0:2325d1d28df3 | 1185 | // break; |
fholin | 0:2325d1d28df3 | 1186 | // } |
fholin | 0:2325d1d28df3 | 1187 | } |
fholin | 0:2325d1d28df3 | 1188 | |
fholin | 0:2325d1d28df3 | 1189 | void SX1276::OnDio0Irq( void ) |
fholin | 0:2325d1d28df3 | 1190 | { |
fholin | 0:2325d1d28df3 | 1191 | volatile uint8_t irqFlags = 0; |
fholin | 0:2325d1d28df3 | 1192 | //pcsx.printf("TX interrupt func in enter irq flag %d\n", Read(REG_LR_IRQFLAGS)); |
fholin | 0:2325d1d28df3 | 1193 | switch( this->settings.State ) |
fholin | 0:2325d1d28df3 | 1194 | { |
fholin | 0:2325d1d28df3 | 1195 | case RF_RX_RUNNING: |
fholin | 0:2325d1d28df3 | 1196 | //TimerStop( &RxTimeoutTimer ); |
fholin | 0:2325d1d28df3 | 1197 | // RxDone interrupt |
fholin | 0:2325d1d28df3 | 1198 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1199 | { |
fholin | 0:2325d1d28df3 | 1200 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1201 | if( this->settings.Fsk.CrcOn == true ) |
fholin | 0:2325d1d28df3 | 1202 | { |
fholin | 0:2325d1d28df3 | 1203 | irqFlags = Read( REG_IRQFLAGS2 ); |
fholin | 0:2325d1d28df3 | 1204 | if( ( irqFlags & RF_IRQFLAGS2_CRCOK ) != RF_IRQFLAGS2_CRCOK ) |
fholin | 0:2325d1d28df3 | 1205 | { |
fholin | 0:2325d1d28df3 | 1206 | // Clear Irqs |
fholin | 0:2325d1d28df3 | 1207 | Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI | |
fholin | 0:2325d1d28df3 | 1208 | RF_IRQFLAGS1_PREAMBLEDETECT | |
fholin | 0:2325d1d28df3 | 1209 | RF_IRQFLAGS1_SYNCADDRESSMATCH ); |
fholin | 0:2325d1d28df3 | 1210 | Write( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN ); |
fholin | 0:2325d1d28df3 | 1211 | |
fholin | 0:2325d1d28df3 | 1212 | if( this->settings.Fsk.RxContinuous == false ) |
fholin | 0:2325d1d28df3 | 1213 | { |
fholin | 0:2325d1d28df3 | 1214 | this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 1215 | rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen + |
fholin | 0:2325d1d28df3 | 1216 | ( ( Read( REG_SYNCCONFIG ) & |
fholin | 0:2325d1d28df3 | 1217 | ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + |
fholin | 0:2325d1d28df3 | 1218 | 1.0 ) + 10.0 ) / |
fholin | 0:2325d1d28df3 | 1219 | ( double )this->settings.Fsk.Datarate ) * 1e6 ) ; |
fholin | 0:2325d1d28df3 | 1220 | } |
fholin | 0:2325d1d28df3 | 1221 | else |
fholin | 0:2325d1d28df3 | 1222 | { |
fholin | 0:2325d1d28df3 | 1223 | // Continuous mode restart Rx chain |
fholin | 0:2325d1d28df3 | 1224 | Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); |
fholin | 0:2325d1d28df3 | 1225 | } |
fholin | 0:2325d1d28df3 | 1226 | rxTimeoutTimer.detach( ); |
fholin | 0:2325d1d28df3 | 1227 | |
fholin | 0:2325d1d28df3 | 1228 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxError != NULL ) ) |
fholin | 0:2325d1d28df3 | 1229 | { |
fholin | 0:2325d1d28df3 | 1230 | this->RadioEvents->RxError( ); |
fholin | 0:2325d1d28df3 | 1231 | } |
fholin | 0:2325d1d28df3 | 1232 | this->settings.FskPacketHandler.PreambleDetected = false; |
fholin | 0:2325d1d28df3 | 1233 | this->settings.FskPacketHandler.SyncWordDetected = false; |
fholin | 0:2325d1d28df3 | 1234 | this->settings.FskPacketHandler.NbBytes = 0; |
fholin | 0:2325d1d28df3 | 1235 | this->settings.FskPacketHandler.Size = 0; |
fholin | 0:2325d1d28df3 | 1236 | break; |
fholin | 0:2325d1d28df3 | 1237 | } |
fholin | 0:2325d1d28df3 | 1238 | } |
fholin | 0:2325d1d28df3 | 1239 | |
fholin | 0:2325d1d28df3 | 1240 | // Read received packet size |
fholin | 0:2325d1d28df3 | 1241 | if( ( this->settings.FskPacketHandler.Size == 0 ) && ( this->settings.FskPacketHandler.NbBytes == 0 ) ) |
fholin | 0:2325d1d28df3 | 1242 | { |
fholin | 0:2325d1d28df3 | 1243 | if( this->settings.Fsk.FixLen == false ) |
fholin | 0:2325d1d28df3 | 1244 | { |
fholin | 0:2325d1d28df3 | 1245 | ReadFifo( ( uint8_t* )&this->settings.FskPacketHandler.Size, 1 ); |
fholin | 0:2325d1d28df3 | 1246 | } |
fholin | 0:2325d1d28df3 | 1247 | else |
fholin | 0:2325d1d28df3 | 1248 | { |
fholin | 0:2325d1d28df3 | 1249 | this->settings.FskPacketHandler.Size = Read( REG_PAYLOADLENGTH ); |
fholin | 0:2325d1d28df3 | 1250 | } |
fholin | 0:2325d1d28df3 | 1251 | ReadFifo( rxBuffer + this->settings.FskPacketHandler.NbBytes, this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
fholin | 0:2325d1d28df3 | 1252 | this->settings.FskPacketHandler.NbBytes += ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
fholin | 0:2325d1d28df3 | 1253 | } |
fholin | 0:2325d1d28df3 | 1254 | else |
fholin | 0:2325d1d28df3 | 1255 | { |
fholin | 0:2325d1d28df3 | 1256 | ReadFifo( rxBuffer + this->settings.FskPacketHandler.NbBytes, this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
fholin | 0:2325d1d28df3 | 1257 | this->settings.FskPacketHandler.NbBytes += ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
fholin | 0:2325d1d28df3 | 1258 | } |
fholin | 0:2325d1d28df3 | 1259 | |
fholin | 0:2325d1d28df3 | 1260 | if( this->settings.Fsk.RxContinuous == false ) |
fholin | 0:2325d1d28df3 | 1261 | { |
fholin | 0:2325d1d28df3 | 1262 | this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 1263 | rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen + |
fholin | 0:2325d1d28df3 | 1264 | ( ( Read( REG_SYNCCONFIG ) & |
fholin | 0:2325d1d28df3 | 1265 | ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + |
fholin | 0:2325d1d28df3 | 1266 | 1.0 ) + 10.0 ) / |
fholin | 0:2325d1d28df3 | 1267 | ( double )this->settings.Fsk.Datarate ) * 1e6 ) ; |
fholin | 0:2325d1d28df3 | 1268 | } |
fholin | 0:2325d1d28df3 | 1269 | else |
fholin | 0:2325d1d28df3 | 1270 | { |
fholin | 0:2325d1d28df3 | 1271 | // Continuous mode restart Rx chain |
fholin | 0:2325d1d28df3 | 1272 | Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); |
fholin | 0:2325d1d28df3 | 1273 | } |
fholin | 0:2325d1d28df3 | 1274 | rxTimeoutTimer.detach( ); |
fholin | 0:2325d1d28df3 | 1275 | |
fholin | 0:2325d1d28df3 | 1276 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxDone != NULL ) ) |
fholin | 0:2325d1d28df3 | 1277 | { |
fholin | 0:2325d1d28df3 | 1278 | this->RadioEvents->RxDone( rxBuffer, this->settings.FskPacketHandler.Size, this->settings.FskPacketHandler.RssiValue, 0 ); |
fholin | 0:2325d1d28df3 | 1279 | } |
fholin | 0:2325d1d28df3 | 1280 | this->settings.FskPacketHandler.PreambleDetected = false; |
fholin | 0:2325d1d28df3 | 1281 | this->settings.FskPacketHandler.SyncWordDetected = false; |
fholin | 0:2325d1d28df3 | 1282 | this->settings.FskPacketHandler.NbBytes = 0; |
fholin | 0:2325d1d28df3 | 1283 | this->settings.FskPacketHandler.Size = 0; |
fholin | 0:2325d1d28df3 | 1284 | break; |
fholin | 0:2325d1d28df3 | 1285 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1286 | { |
fholin | 0:2325d1d28df3 | 1287 | int8_t snr = 0; |
fholin | 0:2325d1d28df3 | 1288 | pcsx.printf("RX interrupt func in enter irq flag %d\n", Read(REG_LR_IRQFLAGS)); |
fholin | 0:2325d1d28df3 | 1289 | // Clear Irq |
fholin | 0:2325d1d28df3 | 1290 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_RXDONE ); |
fholin | 0:2325d1d28df3 | 1291 | |
fholin | 0:2325d1d28df3 | 1292 | irqFlags = Read( REG_LR_IRQFLAGS ); |
fholin | 0:2325d1d28df3 | 1293 | if( ( irqFlags & RFLR_IRQFLAGS_PAYLOADCRCERROR_MASK ) == RFLR_IRQFLAGS_PAYLOADCRCERROR ) |
fholin | 0:2325d1d28df3 | 1294 | { |
fholin | 0:2325d1d28df3 | 1295 | // Clear Irq |
fholin | 0:2325d1d28df3 | 1296 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_PAYLOADCRCERROR ); |
fholin | 0:2325d1d28df3 | 1297 | |
fholin | 0:2325d1d28df3 | 1298 | if( this->settings.LoRa.RxContinuous == false ) |
fholin | 0:2325d1d28df3 | 1299 | { |
fholin | 0:2325d1d28df3 | 1300 | this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 1301 | } |
fholin | 0:2325d1d28df3 | 1302 | rxTimeoutTimer.detach( ); |
fholin | 0:2325d1d28df3 | 1303 | |
fholin | 0:2325d1d28df3 | 1304 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxError != NULL ) ) |
fholin | 0:2325d1d28df3 | 1305 | { |
fholin | 0:2325d1d28df3 | 1306 | this->RadioEvents->RxError( ); |
fholin | 0:2325d1d28df3 | 1307 | } |
fholin | 0:2325d1d28df3 | 1308 | break; |
fholin | 0:2325d1d28df3 | 1309 | } |
fholin | 0:2325d1d28df3 | 1310 | |
fholin | 0:2325d1d28df3 | 1311 | this->settings.LoRaPacketHandler.SnrValue = Read( REG_LR_PKTSNRVALUE ); |
fholin | 0:2325d1d28df3 | 1312 | if( this->settings.LoRaPacketHandler.SnrValue & 0x80 ) // The SNR sign bit is 1 |
fholin | 0:2325d1d28df3 | 1313 | { |
fholin | 0:2325d1d28df3 | 1314 | // Invert and divide by 4 |
fholin | 0:2325d1d28df3 | 1315 | snr = ( ( ~this->settings.LoRaPacketHandler.SnrValue + 1 ) & 0xFF ) >> 2; |
fholin | 0:2325d1d28df3 | 1316 | snr = -snr; |
fholin | 0:2325d1d28df3 | 1317 | } |
fholin | 0:2325d1d28df3 | 1318 | else |
fholin | 0:2325d1d28df3 | 1319 | { |
fholin | 0:2325d1d28df3 | 1320 | // Divide by 4 |
fholin | 0:2325d1d28df3 | 1321 | snr = ( this->settings.LoRaPacketHandler.SnrValue & 0xFF ) >> 2; |
fholin | 0:2325d1d28df3 | 1322 | } |
fholin | 0:2325d1d28df3 | 1323 | |
fholin | 0:2325d1d28df3 | 1324 | int16_t rssi = Read( REG_LR_PKTRSSIVALUE ); |
fholin | 0:2325d1d28df3 | 1325 | if( snr < 0 ) |
fholin | 0:2325d1d28df3 | 1326 | { |
fholin | 0:2325d1d28df3 | 1327 | if( this->settings.Channel > RF_MID_BAND_THRESH ) |
fholin | 0:2325d1d28df3 | 1328 | { |
fholin | 0:2325d1d28df3 | 1329 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_HF + rssi + ( rssi >> 4 ) + |
fholin | 0:2325d1d28df3 | 1330 | snr; |
fholin | 0:2325d1d28df3 | 1331 | } |
fholin | 0:2325d1d28df3 | 1332 | else |
fholin | 0:2325d1d28df3 | 1333 | { |
fholin | 0:2325d1d28df3 | 1334 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_LF + rssi + ( rssi >> 4 ) + |
fholin | 0:2325d1d28df3 | 1335 | snr; |
fholin | 0:2325d1d28df3 | 1336 | } |
fholin | 0:2325d1d28df3 | 1337 | } |
fholin | 0:2325d1d28df3 | 1338 | else |
fholin | 0:2325d1d28df3 | 1339 | { |
fholin | 0:2325d1d28df3 | 1340 | if( this->settings.Channel > RF_MID_BAND_THRESH ) |
fholin | 0:2325d1d28df3 | 1341 | { |
fholin | 0:2325d1d28df3 | 1342 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_HF + rssi + ( rssi >> 4 ); |
fholin | 0:2325d1d28df3 | 1343 | } |
fholin | 0:2325d1d28df3 | 1344 | else |
fholin | 0:2325d1d28df3 | 1345 | { |
fholin | 0:2325d1d28df3 | 1346 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_LF + rssi + ( rssi >> 4 ); |
fholin | 0:2325d1d28df3 | 1347 | } |
fholin | 0:2325d1d28df3 | 1348 | } |
fholin | 0:2325d1d28df3 | 1349 | |
fholin | 0:2325d1d28df3 | 1350 | this->settings.LoRaPacketHandler.Size = Read( REG_LR_RXNBBYTES ); |
fholin | 0:2325d1d28df3 | 1351 | ReadFifo( rxBuffer, this->settings.LoRaPacketHandler.Size ); |
fholin | 0:2325d1d28df3 | 1352 | |
fholin | 0:2325d1d28df3 | 1353 | if( this->settings.LoRa.RxContinuous == false ) |
fholin | 0:2325d1d28df3 | 1354 | { |
fholin | 0:2325d1d28df3 | 1355 | this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 1356 | } |
fholin | 0:2325d1d28df3 | 1357 | rxTimeoutTimer.detach( ); |
fholin | 0:2325d1d28df3 | 1358 | |
fholin | 0:2325d1d28df3 | 1359 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxDone != NULL ) ) |
fholin | 0:2325d1d28df3 | 1360 | { |
fholin | 0:2325d1d28df3 | 1361 | this->RadioEvents->RxDone( rxBuffer, this->settings.LoRaPacketHandler.Size, this->settings.LoRaPacketHandler.RssiValue, this->settings.LoRaPacketHandler.SnrValue ); |
fholin | 0:2325d1d28df3 | 1362 | } |
fholin | 0:2325d1d28df3 | 1363 | } |
fholin | 0:2325d1d28df3 | 1364 | break; |
fholin | 0:2325d1d28df3 | 1365 | default: |
fholin | 0:2325d1d28df3 | 1366 | break; |
fholin | 0:2325d1d28df3 | 1367 | } |
fholin | 0:2325d1d28df3 | 1368 | break; |
fholin | 0:2325d1d28df3 | 1369 | case RF_TX_RUNNING: |
fholin | 0:2325d1d28df3 | 1370 | txTimeoutTimer.detach( ); |
fholin | 0:2325d1d28df3 | 1371 | // TxDone interrupt |
fholin | 0:2325d1d28df3 | 1372 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1373 | { |
fholin | 0:2325d1d28df3 | 1374 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1375 | // Clear Irq |
fholin | 0:2325d1d28df3 | 1376 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_TXDONE ); |
fholin | 0:2325d1d28df3 | 1377 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->TxDone != NULL ) ) |
fholin | 0:2325d1d28df3 | 1378 | { |
fholin | 0:2325d1d28df3 | 1379 | this->RadioEvents->TxDone( ); |
fholin | 0:2325d1d28df3 | 1380 | } |
fholin | 0:2325d1d28df3 | 1381 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1382 | default: |
fholin | 0:2325d1d28df3 | 1383 | this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 1384 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->TxDone != NULL ) ) |
fholin | 0:2325d1d28df3 | 1385 | { |
fholin | 0:2325d1d28df3 | 1386 | this->RadioEvents->TxDone( ); |
fholin | 0:2325d1d28df3 | 1387 | } |
fholin | 0:2325d1d28df3 | 1388 | break; |
fholin | 0:2325d1d28df3 | 1389 | } |
fholin | 0:2325d1d28df3 | 1390 | break; |
fholin | 0:2325d1d28df3 | 1391 | default: |
fholin | 0:2325d1d28df3 | 1392 | |
fholin | 0:2325d1d28df3 | 1393 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->TxDone != NULL ) ) |
fholin | 0:2325d1d28df3 | 1394 | { |
fholin | 0:2325d1d28df3 | 1395 | this->RadioEvents->TxDone( ); |
fholin | 0:2325d1d28df3 | 1396 | } |
fholin | 0:2325d1d28df3 | 1397 | break; |
fholin | 0:2325d1d28df3 | 1398 | } |
fholin | 0:2325d1d28df3 | 1399 | } |
fholin | 0:2325d1d28df3 | 1400 | |
fholin | 0:2325d1d28df3 | 1401 | void SX1276::OnDio1Irq( void ) |
fholin | 0:2325d1d28df3 | 1402 | { |
fholin | 0:2325d1d28df3 | 1403 | switch( this->settings.State ) |
fholin | 0:2325d1d28df3 | 1404 | { |
fholin | 0:2325d1d28df3 | 1405 | case RF_RX_RUNNING: |
fholin | 0:2325d1d28df3 | 1406 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1407 | { |
fholin | 0:2325d1d28df3 | 1408 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1409 | // FifoLevel interrupt |
fholin | 0:2325d1d28df3 | 1410 | // Read received packet size |
fholin | 0:2325d1d28df3 | 1411 | if( ( this->settings.FskPacketHandler.Size == 0 ) && ( this->settings.FskPacketHandler.NbBytes == 0 ) ) |
fholin | 0:2325d1d28df3 | 1412 | { |
fholin | 0:2325d1d28df3 | 1413 | if( this->settings.Fsk.FixLen == false ) |
fholin | 0:2325d1d28df3 | 1414 | { |
fholin | 0:2325d1d28df3 | 1415 | ReadFifo( ( uint8_t* )&this->settings.FskPacketHandler.Size, 1 ); |
fholin | 0:2325d1d28df3 | 1416 | } |
fholin | 0:2325d1d28df3 | 1417 | else |
fholin | 0:2325d1d28df3 | 1418 | { |
fholin | 0:2325d1d28df3 | 1419 | this->settings.FskPacketHandler.Size = Read( REG_PAYLOADLENGTH ); |
fholin | 0:2325d1d28df3 | 1420 | } |
fholin | 0:2325d1d28df3 | 1421 | } |
fholin | 0:2325d1d28df3 | 1422 | |
fholin | 0:2325d1d28df3 | 1423 | if( ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ) > this->settings.FskPacketHandler.FifoThresh ) |
fholin | 0:2325d1d28df3 | 1424 | { |
fholin | 0:2325d1d28df3 | 1425 | ReadFifo( ( rxBuffer + this->settings.FskPacketHandler.NbBytes ), this->settings.FskPacketHandler.FifoThresh ); |
fholin | 0:2325d1d28df3 | 1426 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.FifoThresh; |
fholin | 0:2325d1d28df3 | 1427 | } |
fholin | 0:2325d1d28df3 | 1428 | else |
fholin | 0:2325d1d28df3 | 1429 | { |
fholin | 0:2325d1d28df3 | 1430 | ReadFifo( ( rxBuffer + this->settings.FskPacketHandler.NbBytes ), this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
fholin | 0:2325d1d28df3 | 1431 | this->settings.FskPacketHandler.NbBytes += ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
fholin | 0:2325d1d28df3 | 1432 | } |
fholin | 0:2325d1d28df3 | 1433 | break; |
fholin | 0:2325d1d28df3 | 1434 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1435 | // Sync time out |
fholin | 0:2325d1d28df3 | 1436 | rxTimeoutTimer.detach( ); |
fholin | 0:2325d1d28df3 | 1437 | this->settings.State = RF_IDLE; |
fholin | 0:2325d1d28df3 | 1438 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxTimeout != NULL ) ) |
fholin | 0:2325d1d28df3 | 1439 | { |
fholin | 0:2325d1d28df3 | 1440 | this->RadioEvents->RxTimeout( ); |
fholin | 0:2325d1d28df3 | 1441 | } |
fholin | 0:2325d1d28df3 | 1442 | break; |
fholin | 0:2325d1d28df3 | 1443 | default: |
fholin | 0:2325d1d28df3 | 1444 | break; |
fholin | 0:2325d1d28df3 | 1445 | } |
fholin | 0:2325d1d28df3 | 1446 | break; |
fholin | 0:2325d1d28df3 | 1447 | case RF_TX_RUNNING: |
fholin | 0:2325d1d28df3 | 1448 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1449 | { |
fholin | 0:2325d1d28df3 | 1450 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1451 | // FifoLevel interrupt |
fholin | 0:2325d1d28df3 | 1452 | if( ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ) > this->settings.FskPacketHandler.ChunkSize ) |
fholin | 0:2325d1d28df3 | 1453 | { |
fholin | 0:2325d1d28df3 | 1454 | WriteFifo( ( rxBuffer + this->settings.FskPacketHandler.NbBytes ), this->settings.FskPacketHandler.ChunkSize ); |
fholin | 0:2325d1d28df3 | 1455 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.ChunkSize; |
fholin | 0:2325d1d28df3 | 1456 | } |
fholin | 0:2325d1d28df3 | 1457 | else |
fholin | 0:2325d1d28df3 | 1458 | { |
fholin | 0:2325d1d28df3 | 1459 | // Write the last chunk of data |
fholin | 0:2325d1d28df3 | 1460 | WriteFifo( rxBuffer + this->settings.FskPacketHandler.NbBytes, this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
fholin | 0:2325d1d28df3 | 1461 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes; |
fholin | 0:2325d1d28df3 | 1462 | } |
fholin | 0:2325d1d28df3 | 1463 | break; |
fholin | 0:2325d1d28df3 | 1464 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1465 | break; |
fholin | 0:2325d1d28df3 | 1466 | default: |
fholin | 0:2325d1d28df3 | 1467 | break; |
fholin | 0:2325d1d28df3 | 1468 | } |
fholin | 0:2325d1d28df3 | 1469 | break; |
fholin | 0:2325d1d28df3 | 1470 | default: |
fholin | 0:2325d1d28df3 | 1471 | break; |
fholin | 0:2325d1d28df3 | 1472 | } |
fholin | 0:2325d1d28df3 | 1473 | } |
fholin | 0:2325d1d28df3 | 1474 | |
fholin | 0:2325d1d28df3 | 1475 | void SX1276::OnDio2Irq( void ) |
fholin | 0:2325d1d28df3 | 1476 | { |
fholin | 0:2325d1d28df3 | 1477 | switch( this->settings.State ) |
fholin | 0:2325d1d28df3 | 1478 | { |
fholin | 0:2325d1d28df3 | 1479 | case RF_RX_RUNNING: |
fholin | 0:2325d1d28df3 | 1480 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1481 | { |
fholin | 0:2325d1d28df3 | 1482 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1483 | if( ( this->settings.FskPacketHandler.PreambleDetected == true ) && ( this->settings.FskPacketHandler.SyncWordDetected == false ) ) |
fholin | 0:2325d1d28df3 | 1484 | { |
fholin | 0:2325d1d28df3 | 1485 | rxTimeoutSyncWord.detach( ); |
fholin | 0:2325d1d28df3 | 1486 | |
fholin | 0:2325d1d28df3 | 1487 | this->settings.FskPacketHandler.SyncWordDetected = true; |
fholin | 0:2325d1d28df3 | 1488 | |
fholin | 0:2325d1d28df3 | 1489 | this->settings.FskPacketHandler.RssiValue = -( Read( REG_RSSIVALUE ) >> 1 ); |
fholin | 0:2325d1d28df3 | 1490 | |
fholin | 0:2325d1d28df3 | 1491 | this->settings.FskPacketHandler.AfcValue = ( int32_t )( double )( ( ( uint16_t )Read( REG_AFCMSB ) << 8 ) | |
fholin | 0:2325d1d28df3 | 1492 | ( uint16_t )Read( REG_AFCLSB ) ) * |
fholin | 0:2325d1d28df3 | 1493 | ( double )FREQ_STEP; |
fholin | 0:2325d1d28df3 | 1494 | this->settings.FskPacketHandler.RxGain = ( Read( REG_LNA ) >> 5 ) & 0x07; |
fholin | 0:2325d1d28df3 | 1495 | } |
fholin | 0:2325d1d28df3 | 1496 | break; |
fholin | 0:2325d1d28df3 | 1497 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1498 | if( this->settings.LoRa.FreqHopOn == true ) |
fholin | 0:2325d1d28df3 | 1499 | { |
fholin | 0:2325d1d28df3 | 1500 | // Clear Irq |
fholin | 0:2325d1d28df3 | 1501 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL ); |
fholin | 0:2325d1d28df3 | 1502 | |
fholin | 0:2325d1d28df3 | 1503 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->FhssChangeChannel != NULL ) ) |
fholin | 0:2325d1d28df3 | 1504 | { |
fholin | 0:2325d1d28df3 | 1505 | this->RadioEvents->FhssChangeChannel( ( Read( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ) ); |
fholin | 0:2325d1d28df3 | 1506 | } |
fholin | 0:2325d1d28df3 | 1507 | } |
fholin | 0:2325d1d28df3 | 1508 | break; |
fholin | 0:2325d1d28df3 | 1509 | default: |
fholin | 0:2325d1d28df3 | 1510 | break; |
fholin | 0:2325d1d28df3 | 1511 | } |
fholin | 0:2325d1d28df3 | 1512 | break; |
fholin | 0:2325d1d28df3 | 1513 | case RF_TX_RUNNING: |
fholin | 0:2325d1d28df3 | 1514 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1515 | { |
fholin | 0:2325d1d28df3 | 1516 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1517 | break; |
fholin | 0:2325d1d28df3 | 1518 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1519 | if( this->settings.LoRa.FreqHopOn == true ) |
fholin | 0:2325d1d28df3 | 1520 | { |
fholin | 0:2325d1d28df3 | 1521 | // Clear Irq |
fholin | 0:2325d1d28df3 | 1522 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL ); |
fholin | 0:2325d1d28df3 | 1523 | |
fholin | 0:2325d1d28df3 | 1524 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->FhssChangeChannel != NULL ) ) |
fholin | 0:2325d1d28df3 | 1525 | { |
fholin | 0:2325d1d28df3 | 1526 | this->RadioEvents->FhssChangeChannel( ( Read( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ) ); |
fholin | 0:2325d1d28df3 | 1527 | } |
fholin | 0:2325d1d28df3 | 1528 | } |
fholin | 0:2325d1d28df3 | 1529 | break; |
fholin | 0:2325d1d28df3 | 1530 | default: |
fholin | 0:2325d1d28df3 | 1531 | break; |
fholin | 0:2325d1d28df3 | 1532 | } |
fholin | 0:2325d1d28df3 | 1533 | break; |
fholin | 0:2325d1d28df3 | 1534 | default: |
fholin | 0:2325d1d28df3 | 1535 | break; |
fholin | 0:2325d1d28df3 | 1536 | } |
fholin | 0:2325d1d28df3 | 1537 | } |
fholin | 0:2325d1d28df3 | 1538 | |
fholin | 0:2325d1d28df3 | 1539 | void SX1276::OnDio3Irq( void ) |
fholin | 0:2325d1d28df3 | 1540 | { |
fholin | 0:2325d1d28df3 | 1541 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1542 | { |
fholin | 0:2325d1d28df3 | 1543 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1544 | break; |
fholin | 0:2325d1d28df3 | 1545 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1546 | if( ( Read( REG_LR_IRQFLAGS ) & RFLR_IRQFLAGS_CADDETECTED ) == RFLR_IRQFLAGS_CADDETECTED ) |
fholin | 0:2325d1d28df3 | 1547 | { |
fholin | 0:2325d1d28df3 | 1548 | // Clear Irq |
fholin | 0:2325d1d28df3 | 1549 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDETECTED | RFLR_IRQFLAGS_CADDONE ); |
fholin | 0:2325d1d28df3 | 1550 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->CadDone != NULL ) ) |
fholin | 0:2325d1d28df3 | 1551 | { |
fholin | 0:2325d1d28df3 | 1552 | this->RadioEvents->CadDone( true ); |
fholin | 0:2325d1d28df3 | 1553 | } |
fholin | 0:2325d1d28df3 | 1554 | } |
fholin | 0:2325d1d28df3 | 1555 | else |
fholin | 0:2325d1d28df3 | 1556 | { |
fholin | 0:2325d1d28df3 | 1557 | // Clear Irq |
fholin | 0:2325d1d28df3 | 1558 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDONE ); |
fholin | 0:2325d1d28df3 | 1559 | if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->CadDone != NULL ) ) |
fholin | 0:2325d1d28df3 | 1560 | { |
fholin | 0:2325d1d28df3 | 1561 | this->RadioEvents->CadDone( false ); |
fholin | 0:2325d1d28df3 | 1562 | } |
fholin | 0:2325d1d28df3 | 1563 | } |
fholin | 0:2325d1d28df3 | 1564 | break; |
fholin | 0:2325d1d28df3 | 1565 | default: |
fholin | 0:2325d1d28df3 | 1566 | break; |
fholin | 0:2325d1d28df3 | 1567 | } |
fholin | 0:2325d1d28df3 | 1568 | } |
fholin | 0:2325d1d28df3 | 1569 | |
fholin | 0:2325d1d28df3 | 1570 | void SX1276::OnDio4Irq( void ) |
fholin | 0:2325d1d28df3 | 1571 | { |
fholin | 0:2325d1d28df3 | 1572 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1573 | { |
fholin | 0:2325d1d28df3 | 1574 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1575 | { |
fholin | 0:2325d1d28df3 | 1576 | if( this->settings.FskPacketHandler.PreambleDetected == false ) |
fholin | 0:2325d1d28df3 | 1577 | { |
fholin | 0:2325d1d28df3 | 1578 | this->settings.FskPacketHandler.PreambleDetected = true; |
fholin | 0:2325d1d28df3 | 1579 | } |
fholin | 0:2325d1d28df3 | 1580 | } |
fholin | 0:2325d1d28df3 | 1581 | break; |
fholin | 0:2325d1d28df3 | 1582 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1583 | break; |
fholin | 0:2325d1d28df3 | 1584 | default: |
fholin | 0:2325d1d28df3 | 1585 | break; |
fholin | 0:2325d1d28df3 | 1586 | } |
fholin | 0:2325d1d28df3 | 1587 | } |
fholin | 0:2325d1d28df3 | 1588 | |
fholin | 0:2325d1d28df3 | 1589 | void SX1276::OnDio5Irq( void ) |
fholin | 0:2325d1d28df3 | 1590 | { |
fholin | 0:2325d1d28df3 | 1591 | switch( this->settings.Modem ) |
fholin | 0:2325d1d28df3 | 1592 | { |
fholin | 0:2325d1d28df3 | 1593 | case MODEM_FSK: |
fholin | 0:2325d1d28df3 | 1594 | break; |
fholin | 0:2325d1d28df3 | 1595 | case MODEM_LORA: |
fholin | 0:2325d1d28df3 | 1596 | break; |
fholin | 0:2325d1d28df3 | 1597 | default: |
fholin | 0:2325d1d28df3 | 1598 | break; |
fholin | 0:2325d1d28df3 | 1599 | } |
fholin | 0:2325d1d28df3 | 1600 | } |