us915 ch 9 20dbm
Dependents: DISCO-L072CZ-LRWAN1_LoRa_PingPong
Fork of SX1276GenericLib by
sx1276/sx1276.cpp@7:2b555111463f, 2014-09-19 (annotated)
- Committer:
- GregCr
- Date:
- Fri Sep 19 14:16:35 2014 +0000
- Revision:
- 7:2b555111463f
- Parent:
- 6:e7f02929cd3d
- Child:
- 8:0fe3e0e8007b
Added support for CAD; Changed Rssi into an int16_t
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
GregCr | 0:e6ceb13d2d05 | 1 | /* |
GregCr | 0:e6ceb13d2d05 | 2 | / _____) _ | | |
GregCr | 0:e6ceb13d2d05 | 3 | ( (____ _____ ____ _| |_ _____ ____| |__ |
GregCr | 0:e6ceb13d2d05 | 4 | \____ \| ___ | (_ _) ___ |/ ___) _ \ |
GregCr | 0:e6ceb13d2d05 | 5 | _____) ) ____| | | || |_| ____( (___| | | | |
GregCr | 0:e6ceb13d2d05 | 6 | (______/|_____)_|_|_| \__)_____)\____)_| |_| |
GregCr | 0:e6ceb13d2d05 | 7 | ( C )2014 Semtech |
GregCr | 0:e6ceb13d2d05 | 8 | |
GregCr | 0:e6ceb13d2d05 | 9 | Description: Actual implementation of a SX1276 radio, inherits Radio |
GregCr | 0:e6ceb13d2d05 | 10 | |
GregCr | 0:e6ceb13d2d05 | 11 | License: Revised BSD License, see LICENSE.TXT file include in the project |
GregCr | 0:e6ceb13d2d05 | 12 | |
GregCr | 0:e6ceb13d2d05 | 13 | Maintainers: Miguel Luis, Gregory Cristian and Nicolas Huguenin |
GregCr | 0:e6ceb13d2d05 | 14 | */ |
GregCr | 0:e6ceb13d2d05 | 15 | #include "sx1276.h" |
GregCr | 0:e6ceb13d2d05 | 16 | |
GregCr | 0:e6ceb13d2d05 | 17 | const FskBandwidth_t SX1276::FskBandwidths[] = |
GregCr | 0:e6ceb13d2d05 | 18 | { |
GregCr | 0:e6ceb13d2d05 | 19 | { 2600 , 0x17 }, |
GregCr | 0:e6ceb13d2d05 | 20 | { 3100 , 0x0F }, |
GregCr | 0:e6ceb13d2d05 | 21 | { 3900 , 0x07 }, |
GregCr | 0:e6ceb13d2d05 | 22 | { 5200 , 0x16 }, |
GregCr | 0:e6ceb13d2d05 | 23 | { 6300 , 0x0E }, |
GregCr | 0:e6ceb13d2d05 | 24 | { 7800 , 0x06 }, |
GregCr | 0:e6ceb13d2d05 | 25 | { 10400 , 0x15 }, |
GregCr | 0:e6ceb13d2d05 | 26 | { 12500 , 0x0D }, |
GregCr | 0:e6ceb13d2d05 | 27 | { 15600 , 0x05 }, |
GregCr | 0:e6ceb13d2d05 | 28 | { 20800 , 0x14 }, |
GregCr | 0:e6ceb13d2d05 | 29 | { 25000 , 0x0C }, |
GregCr | 0:e6ceb13d2d05 | 30 | { 31300 , 0x04 }, |
GregCr | 0:e6ceb13d2d05 | 31 | { 41700 , 0x13 }, |
GregCr | 0:e6ceb13d2d05 | 32 | { 50000 , 0x0B }, |
GregCr | 0:e6ceb13d2d05 | 33 | { 62500 , 0x03 }, |
GregCr | 0:e6ceb13d2d05 | 34 | { 83333 , 0x12 }, |
GregCr | 0:e6ceb13d2d05 | 35 | { 100000, 0x0A }, |
GregCr | 0:e6ceb13d2d05 | 36 | { 125000, 0x02 }, |
GregCr | 0:e6ceb13d2d05 | 37 | { 166700, 0x11 }, |
GregCr | 0:e6ceb13d2d05 | 38 | { 200000, 0x09 }, |
GregCr | 0:e6ceb13d2d05 | 39 | { 250000, 0x01 } |
GregCr | 0:e6ceb13d2d05 | 40 | }; |
GregCr | 0:e6ceb13d2d05 | 41 | |
GregCr | 0:e6ceb13d2d05 | 42 | |
GregCr | 7:2b555111463f | 43 | SX1276::SX1276( void ( *txDone )( ), void ( *txTimeout ) ( ), void ( *rxDone ) ( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr ), |
GregCr | 7:2b555111463f | 44 | void ( *rxTimeout ) ( ), void ( *rxError ) ( ), void ( *fhssChangeChannel ) ( uint8_t channelIndex ), void ( *cadDone ) ( ), |
GregCr | 0:e6ceb13d2d05 | 45 | PinName mosi, PinName miso, PinName sclk, PinName nss, PinName reset, |
GregCr | 0:e6ceb13d2d05 | 46 | PinName dio0, PinName dio1, PinName dio2, PinName dio3, PinName dio4, PinName dio5 ) |
GregCr | 7:2b555111463f | 47 | : Radio( txDone, txTimeout, rxDone, rxTimeout, rxError, fhssChangeChannel, cadDone ), |
GregCr | 0:e6ceb13d2d05 | 48 | spi( mosi, miso, sclk ), |
GregCr | 0:e6ceb13d2d05 | 49 | nss( nss ), |
GregCr | 0:e6ceb13d2d05 | 50 | reset( reset ), |
GregCr | 0:e6ceb13d2d05 | 51 | dio0( dio0 ), dio1( dio1 ), dio2( dio2 ), dio3( dio3 ), dio4( dio4 ), dio5( dio5 ), |
GregCr | 0:e6ceb13d2d05 | 52 | isRadioActive( false ) |
GregCr | 0:e6ceb13d2d05 | 53 | { |
GregCr | 0:e6ceb13d2d05 | 54 | wait_ms( 10 ); |
GregCr | 0:e6ceb13d2d05 | 55 | this->rxTx = 0; |
GregCr | 0:e6ceb13d2d05 | 56 | this->rxBuffer = new uint8_t[RX_BUFFER_SIZE]; |
GregCr | 0:e6ceb13d2d05 | 57 | previousOpMode = RF_OPMODE_STANDBY; |
GregCr | 0:e6ceb13d2d05 | 58 | |
GregCr | 0:e6ceb13d2d05 | 59 | this->dioIrq = new DioIrqHandler[6]; |
GregCr | 0:e6ceb13d2d05 | 60 | |
GregCr | 0:e6ceb13d2d05 | 61 | this->dioIrq[0] = &SX1276::OnDio0Irq; |
GregCr | 0:e6ceb13d2d05 | 62 | this->dioIrq[1] = &SX1276::OnDio1Irq; |
GregCr | 0:e6ceb13d2d05 | 63 | this->dioIrq[2] = &SX1276::OnDio2Irq; |
GregCr | 0:e6ceb13d2d05 | 64 | this->dioIrq[3] = &SX1276::OnDio3Irq; |
GregCr | 0:e6ceb13d2d05 | 65 | this->dioIrq[4] = &SX1276::OnDio4Irq; |
GregCr | 0:e6ceb13d2d05 | 66 | this->dioIrq[5] = NULL; |
GregCr | 4:f0ce52e94d3f | 67 | |
GregCr | 4:f0ce52e94d3f | 68 | this->settings.State = IDLE; |
GregCr | 0:e6ceb13d2d05 | 69 | } |
GregCr | 0:e6ceb13d2d05 | 70 | |
GregCr | 0:e6ceb13d2d05 | 71 | SX1276::~SX1276( ) |
GregCr | 0:e6ceb13d2d05 | 72 | { |
GregCr | 0:e6ceb13d2d05 | 73 | delete this->rxBuffer; |
GregCr | 0:e6ceb13d2d05 | 74 | delete this->dioIrq; |
GregCr | 0:e6ceb13d2d05 | 75 | } |
GregCr | 0:e6ceb13d2d05 | 76 | |
GregCr | 0:e6ceb13d2d05 | 77 | void SX1276::RxChainCalibration( void ) |
GregCr | 0:e6ceb13d2d05 | 78 | { |
GregCr | 0:e6ceb13d2d05 | 79 | uint8_t regPaConfigInitVal; |
GregCr | 0:e6ceb13d2d05 | 80 | uint32_t initialFreq; |
GregCr | 0:e6ceb13d2d05 | 81 | |
GregCr | 0:e6ceb13d2d05 | 82 | // Save context |
GregCr | 0:e6ceb13d2d05 | 83 | regPaConfigInitVal = this->Read( REG_PACONFIG ); |
GregCr | 0:e6ceb13d2d05 | 84 | initialFreq = ( double )( ( ( uint32_t )this->Read( REG_FRFMSB ) << 16 ) | |
GregCr | 0:e6ceb13d2d05 | 85 | ( ( uint32_t )this->Read( REG_FRFMID ) << 8 ) | |
GregCr | 0:e6ceb13d2d05 | 86 | ( ( uint32_t )this->Read( REG_FRFLSB ) ) ) * ( double )FREQ_STEP; |
GregCr | 0:e6ceb13d2d05 | 87 | |
GregCr | 0:e6ceb13d2d05 | 88 | // Cut the PA just in case, RFO output, power = -1 dBm |
GregCr | 0:e6ceb13d2d05 | 89 | this->Write( REG_PACONFIG, 0x00 ); |
GregCr | 0:e6ceb13d2d05 | 90 | |
GregCr | 0:e6ceb13d2d05 | 91 | // Launch Rx chain calibration for LF band |
GregCr | 0:e6ceb13d2d05 | 92 | Write ( REG_IMAGECAL, ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_MASK ) | RF_IMAGECAL_IMAGECAL_START ); |
GregCr | 0:e6ceb13d2d05 | 93 | while( ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_RUNNING ) == RF_IMAGECAL_IMAGECAL_RUNNING ) |
GregCr | 0:e6ceb13d2d05 | 94 | { |
GregCr | 0:e6ceb13d2d05 | 95 | } |
GregCr | 0:e6ceb13d2d05 | 96 | |
GregCr | 0:e6ceb13d2d05 | 97 | // Sets a Frequency in HF band |
GregCr | 0:e6ceb13d2d05 | 98 | settings.Channel= 868000000 ; |
GregCr | 0:e6ceb13d2d05 | 99 | |
GregCr | 0:e6ceb13d2d05 | 100 | // Launch Rx chain calibration for HF band |
GregCr | 0:e6ceb13d2d05 | 101 | Write ( REG_IMAGECAL, ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_MASK ) | RF_IMAGECAL_IMAGECAL_START ); |
GregCr | 0:e6ceb13d2d05 | 102 | while( ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_RUNNING ) == RF_IMAGECAL_IMAGECAL_RUNNING ) |
GregCr | 0:e6ceb13d2d05 | 103 | { |
GregCr | 0:e6ceb13d2d05 | 104 | } |
GregCr | 0:e6ceb13d2d05 | 105 | |
GregCr | 0:e6ceb13d2d05 | 106 | // Restore context |
GregCr | 0:e6ceb13d2d05 | 107 | this->Write( REG_PACONFIG, regPaConfigInitVal ); |
GregCr | 0:e6ceb13d2d05 | 108 | SetChannel( initialFreq ); |
GregCr | 0:e6ceb13d2d05 | 109 | } |
GregCr | 0:e6ceb13d2d05 | 110 | |
GregCr | 0:e6ceb13d2d05 | 111 | RadioState SX1276::GetState( void ) |
GregCr | 0:e6ceb13d2d05 | 112 | { |
GregCr | 0:e6ceb13d2d05 | 113 | return this->settings.State; |
GregCr | 0:e6ceb13d2d05 | 114 | } |
GregCr | 0:e6ceb13d2d05 | 115 | |
GregCr | 0:e6ceb13d2d05 | 116 | void SX1276::SetChannel( uint32_t freq ) |
GregCr | 0:e6ceb13d2d05 | 117 | { |
GregCr | 0:e6ceb13d2d05 | 118 | this->settings.Channel = freq; |
GregCr | 0:e6ceb13d2d05 | 119 | freq = ( uint32_t )( ( double )freq / ( double )FREQ_STEP ); |
GregCr | 0:e6ceb13d2d05 | 120 | Write( REG_FRFMSB, ( uint8_t )( ( freq >> 16 ) & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 121 | Write( REG_FRFMID, ( uint8_t )( ( freq >> 8 ) & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 122 | Write( REG_FRFLSB, ( uint8_t )( freq & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 123 | } |
GregCr | 0:e6ceb13d2d05 | 124 | |
GregCr | 0:e6ceb13d2d05 | 125 | bool SX1276::IsChannelFree( ModemType modem, uint32_t freq, int8_t rssiThresh ) |
GregCr | 0:e6ceb13d2d05 | 126 | { |
GregCr | 7:2b555111463f | 127 | int16_t rssi = 0; |
GregCr | 0:e6ceb13d2d05 | 128 | |
GregCr | 0:e6ceb13d2d05 | 129 | SetModem( modem ); |
GregCr | 0:e6ceb13d2d05 | 130 | |
GregCr | 0:e6ceb13d2d05 | 131 | SetChannel( freq ); |
GregCr | 0:e6ceb13d2d05 | 132 | |
GregCr | 0:e6ceb13d2d05 | 133 | SetOpMode( RF_OPMODE_RECEIVER ); |
GregCr | 0:e6ceb13d2d05 | 134 | |
GregCr | 4:f0ce52e94d3f | 135 | wait_ms( 1 ); |
GregCr | 0:e6ceb13d2d05 | 136 | |
GregCr | 0:e6ceb13d2d05 | 137 | rssi = GetRssi( modem ); |
GregCr | 0:e6ceb13d2d05 | 138 | |
GregCr | 0:e6ceb13d2d05 | 139 | Sleep( ); |
GregCr | 0:e6ceb13d2d05 | 140 | |
GregCr | 7:2b555111463f | 141 | if( rssi > ( int16_t )rssiThresh ) |
GregCr | 0:e6ceb13d2d05 | 142 | { |
GregCr | 0:e6ceb13d2d05 | 143 | return false; |
GregCr | 0:e6ceb13d2d05 | 144 | } |
GregCr | 0:e6ceb13d2d05 | 145 | return true; |
GregCr | 0:e6ceb13d2d05 | 146 | } |
GregCr | 0:e6ceb13d2d05 | 147 | |
GregCr | 0:e6ceb13d2d05 | 148 | uint32_t SX1276::Random( void ) |
GregCr | 0:e6ceb13d2d05 | 149 | { |
GregCr | 0:e6ceb13d2d05 | 150 | uint8_t i; |
GregCr | 0:e6ceb13d2d05 | 151 | uint32_t rnd = 0; |
GregCr | 0:e6ceb13d2d05 | 152 | |
GregCr | 0:e6ceb13d2d05 | 153 | /* |
GregCr | 0:e6ceb13d2d05 | 154 | * Radio setup for random number generation |
GregCr | 0:e6ceb13d2d05 | 155 | */ |
GregCr | 0:e6ceb13d2d05 | 156 | // Set LoRa modem ON |
GregCr | 0:e6ceb13d2d05 | 157 | SetModem( MODEM_LORA ); |
GregCr | 0:e6ceb13d2d05 | 158 | |
GregCr | 0:e6ceb13d2d05 | 159 | // Disable LoRa modem interrupts |
GregCr | 0:e6ceb13d2d05 | 160 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
GregCr | 0:e6ceb13d2d05 | 161 | RFLR_IRQFLAGS_RXDONE | |
GregCr | 0:e6ceb13d2d05 | 162 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
GregCr | 0:e6ceb13d2d05 | 163 | RFLR_IRQFLAGS_VALIDHEADER | |
GregCr | 0:e6ceb13d2d05 | 164 | RFLR_IRQFLAGS_TXDONE | |
GregCr | 0:e6ceb13d2d05 | 165 | RFLR_IRQFLAGS_CADDONE | |
GregCr | 0:e6ceb13d2d05 | 166 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
GregCr | 0:e6ceb13d2d05 | 167 | RFLR_IRQFLAGS_CADDETECTED ); |
GregCr | 0:e6ceb13d2d05 | 168 | |
GregCr | 0:e6ceb13d2d05 | 169 | // Set radio in continuous reception |
GregCr | 0:e6ceb13d2d05 | 170 | SetOpMode( RF_OPMODE_RECEIVER ); |
GregCr | 0:e6ceb13d2d05 | 171 | |
GregCr | 0:e6ceb13d2d05 | 172 | for( i = 0; i < 32; i++ ) |
GregCr | 0:e6ceb13d2d05 | 173 | { |
GregCr | 4:f0ce52e94d3f | 174 | wait_ms( 1 ); |
GregCr | 0:e6ceb13d2d05 | 175 | // Unfiltered RSSI value reading. Only takes the LSB value |
GregCr | 0:e6ceb13d2d05 | 176 | rnd |= ( ( uint32_t )Read( REG_LR_RSSIWIDEBAND ) & 0x01 ) << i; |
GregCr | 0:e6ceb13d2d05 | 177 | } |
GregCr | 0:e6ceb13d2d05 | 178 | |
GregCr | 0:e6ceb13d2d05 | 179 | Sleep( ); |
GregCr | 0:e6ceb13d2d05 | 180 | |
GregCr | 0:e6ceb13d2d05 | 181 | return rnd; |
GregCr | 0:e6ceb13d2d05 | 182 | } |
GregCr | 0:e6ceb13d2d05 | 183 | |
GregCr | 0:e6ceb13d2d05 | 184 | /*! |
GregCr | 0:e6ceb13d2d05 | 185 | * Returns the known FSK bandwidth registers value |
GregCr | 0:e6ceb13d2d05 | 186 | * |
GregCr | 0:e6ceb13d2d05 | 187 | * \param [IN] bandwidth Bandwidth value in Hz |
GregCr | 0:e6ceb13d2d05 | 188 | * \retval regValue Bandwidth register value. |
GregCr | 0:e6ceb13d2d05 | 189 | */ |
GregCr | 0:e6ceb13d2d05 | 190 | uint8_t SX1276::GetFskBandwidthRegValue( uint32_t bandwidth ) |
GregCr | 0:e6ceb13d2d05 | 191 | { |
GregCr | 0:e6ceb13d2d05 | 192 | uint8_t i; |
GregCr | 0:e6ceb13d2d05 | 193 | |
GregCr | 0:e6ceb13d2d05 | 194 | for( i = 0; i < ( sizeof( FskBandwidths ) / sizeof( FskBandwidth_t ) ) - 1; i++ ) |
GregCr | 0:e6ceb13d2d05 | 195 | { |
GregCr | 0:e6ceb13d2d05 | 196 | if( ( bandwidth >= FskBandwidths[i].bandwidth ) && ( bandwidth < FskBandwidths[i + 1].bandwidth ) ) |
GregCr | 0:e6ceb13d2d05 | 197 | { |
GregCr | 0:e6ceb13d2d05 | 198 | return FskBandwidths[i].RegValue; |
GregCr | 0:e6ceb13d2d05 | 199 | } |
GregCr | 0:e6ceb13d2d05 | 200 | } |
GregCr | 0:e6ceb13d2d05 | 201 | // ERROR: Value not found |
GregCr | 0:e6ceb13d2d05 | 202 | while( 1 ); |
GregCr | 0:e6ceb13d2d05 | 203 | } |
GregCr | 0:e6ceb13d2d05 | 204 | |
GregCr | 0:e6ceb13d2d05 | 205 | void SX1276::SetRxConfig( ModemType modem, uint32_t bandwidth, |
GregCr | 0:e6ceb13d2d05 | 206 | uint32_t datarate, uint8_t coderate, |
GregCr | 0:e6ceb13d2d05 | 207 | uint32_t bandwidthAfc, uint16_t preambleLen, |
GregCr | 0:e6ceb13d2d05 | 208 | uint16_t symbTimeout, bool fixLen, |
GregCr | 6:e7f02929cd3d | 209 | bool crcOn, bool FreqHopOn, uint8_t HopPeriod, |
GregCr | 6:e7f02929cd3d | 210 | bool iqInverted, bool rxContinuous ) |
GregCr | 0:e6ceb13d2d05 | 211 | { |
GregCr | 0:e6ceb13d2d05 | 212 | SetModem( modem ); |
GregCr | 0:e6ceb13d2d05 | 213 | |
GregCr | 0:e6ceb13d2d05 | 214 | switch( modem ) |
GregCr | 0:e6ceb13d2d05 | 215 | { |
GregCr | 0:e6ceb13d2d05 | 216 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 217 | { |
GregCr | 0:e6ceb13d2d05 | 218 | this->settings.Fsk.Bandwidth = bandwidth; |
GregCr | 0:e6ceb13d2d05 | 219 | this->settings.Fsk.Datarate = datarate; |
GregCr | 0:e6ceb13d2d05 | 220 | this->settings.Fsk.BandwidthAfc = bandwidthAfc; |
GregCr | 0:e6ceb13d2d05 | 221 | this->settings.Fsk.FixLen = fixLen; |
GregCr | 0:e6ceb13d2d05 | 222 | this->settings.Fsk.CrcOn = crcOn; |
GregCr | 0:e6ceb13d2d05 | 223 | this->settings.Fsk.IqInverted = iqInverted; |
GregCr | 0:e6ceb13d2d05 | 224 | this->settings.Fsk.RxContinuous = rxContinuous; |
GregCr | 0:e6ceb13d2d05 | 225 | this->settings.Fsk.PreambleLen = preambleLen; |
GregCr | 0:e6ceb13d2d05 | 226 | |
GregCr | 0:e6ceb13d2d05 | 227 | datarate = ( uint16_t )( ( double )XTAL_FREQ / ( double )datarate ); |
GregCr | 0:e6ceb13d2d05 | 228 | Write( REG_BITRATEMSB, ( uint8_t )( datarate >> 8 ) ); |
GregCr | 0:e6ceb13d2d05 | 229 | Write( REG_BITRATELSB, ( uint8_t )( datarate & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 230 | |
GregCr | 0:e6ceb13d2d05 | 231 | Write( REG_RXBW, GetFskBandwidthRegValue( bandwidth ) ); |
GregCr | 0:e6ceb13d2d05 | 232 | Write( REG_AFCBW, GetFskBandwidthRegValue( bandwidthAfc ) ); |
GregCr | 0:e6ceb13d2d05 | 233 | |
GregCr | 0:e6ceb13d2d05 | 234 | Write( REG_LR_PREAMBLEMSB, ( uint8_t )( ( preambleLen >> 8 ) & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 235 | Write( REG_LR_PREAMBLELSB, ( uint8_t )( preambleLen & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 236 | |
GregCr | 0:e6ceb13d2d05 | 237 | Write( REG_PACKETCONFIG1, |
GregCr | 0:e6ceb13d2d05 | 238 | ( Read( REG_PACKETCONFIG1 ) & |
GregCr | 0:e6ceb13d2d05 | 239 | RF_PACKETCONFIG1_CRC_MASK & |
GregCr | 0:e6ceb13d2d05 | 240 | RF_PACKETCONFIG1_PACKETFORMAT_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 241 | ( ( fixLen == 1 ) ? RF_PACKETCONFIG1_PACKETFORMAT_FIXED : RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE ) | |
GregCr | 0:e6ceb13d2d05 | 242 | ( crcOn << 4 ) ); |
GregCr | 0:e6ceb13d2d05 | 243 | } |
GregCr | 0:e6ceb13d2d05 | 244 | break; |
GregCr | 0:e6ceb13d2d05 | 245 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 246 | { |
GregCr | 0:e6ceb13d2d05 | 247 | if( bandwidth > 2 ) |
GregCr | 0:e6ceb13d2d05 | 248 | { |
GregCr | 0:e6ceb13d2d05 | 249 | // Fatal error: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported |
GregCr | 0:e6ceb13d2d05 | 250 | while( 1 ); |
GregCr | 0:e6ceb13d2d05 | 251 | } |
GregCr | 0:e6ceb13d2d05 | 252 | bandwidth += 7; |
GregCr | 0:e6ceb13d2d05 | 253 | this->settings.LoRa.Bandwidth = bandwidth; |
GregCr | 0:e6ceb13d2d05 | 254 | this->settings.LoRa.Datarate = datarate; |
GregCr | 0:e6ceb13d2d05 | 255 | this->settings.LoRa.Coderate = coderate; |
GregCr | 0:e6ceb13d2d05 | 256 | this->settings.LoRa.FixLen = fixLen; |
GregCr | 0:e6ceb13d2d05 | 257 | this->settings.LoRa.CrcOn = crcOn; |
GregCr | 6:e7f02929cd3d | 258 | this->settings.LoRa.FreqHopOn = FreqHopOn; |
GregCr | 6:e7f02929cd3d | 259 | this->settings.LoRa.HopPeriod = HopPeriod; |
GregCr | 0:e6ceb13d2d05 | 260 | this->settings.LoRa.IqInverted = iqInverted; |
GregCr | 0:e6ceb13d2d05 | 261 | this->settings.LoRa.RxContinuous = rxContinuous; |
GregCr | 0:e6ceb13d2d05 | 262 | |
GregCr | 0:e6ceb13d2d05 | 263 | if( datarate > 12 ) |
GregCr | 0:e6ceb13d2d05 | 264 | { |
GregCr | 0:e6ceb13d2d05 | 265 | datarate = 12; |
GregCr | 0:e6ceb13d2d05 | 266 | } |
GregCr | 0:e6ceb13d2d05 | 267 | else if( datarate < 6 ) |
GregCr | 0:e6ceb13d2d05 | 268 | { |
GregCr | 0:e6ceb13d2d05 | 269 | datarate = 6; |
GregCr | 0:e6ceb13d2d05 | 270 | } |
GregCr | 0:e6ceb13d2d05 | 271 | |
GregCr | 0:e6ceb13d2d05 | 272 | if( ( ( bandwidth == 7 ) && ( ( datarate == 11 ) || ( datarate == 12 ) ) ) || |
GregCr | 0:e6ceb13d2d05 | 273 | ( ( bandwidth == 8 ) && ( datarate == 12 ) ) ) |
GregCr | 0:e6ceb13d2d05 | 274 | { |
GregCr | 0:e6ceb13d2d05 | 275 | this->settings.LoRa.LowDatarateOptimize = 0x01; |
GregCr | 0:e6ceb13d2d05 | 276 | } |
GregCr | 0:e6ceb13d2d05 | 277 | else |
GregCr | 0:e6ceb13d2d05 | 278 | { |
GregCr | 0:e6ceb13d2d05 | 279 | this->settings.LoRa.LowDatarateOptimize = 0x00; |
GregCr | 0:e6ceb13d2d05 | 280 | } |
GregCr | 0:e6ceb13d2d05 | 281 | |
GregCr | 0:e6ceb13d2d05 | 282 | Write( REG_LR_MODEMCONFIG1, |
GregCr | 0:e6ceb13d2d05 | 283 | ( Read( REG_LR_MODEMCONFIG1 ) & |
GregCr | 0:e6ceb13d2d05 | 284 | RFLR_MODEMCONFIG1_BW_MASK & |
GregCr | 0:e6ceb13d2d05 | 285 | RFLR_MODEMCONFIG1_CODINGRATE_MASK & |
GregCr | 0:e6ceb13d2d05 | 286 | RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 287 | ( bandwidth << 4 ) | ( coderate << 1 ) | |
GregCr | 0:e6ceb13d2d05 | 288 | fixLen ); |
GregCr | 0:e6ceb13d2d05 | 289 | |
GregCr | 0:e6ceb13d2d05 | 290 | Write( REG_LR_MODEMCONFIG2, |
GregCr | 0:e6ceb13d2d05 | 291 | ( Read( REG_LR_MODEMCONFIG2 ) & |
GregCr | 0:e6ceb13d2d05 | 292 | RFLR_MODEMCONFIG2_SF_MASK & |
GregCr | 0:e6ceb13d2d05 | 293 | RFLR_MODEMCONFIG2_RXPAYLOADCRC_MASK & |
GregCr | 0:e6ceb13d2d05 | 294 | RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 295 | ( datarate << 4 ) | ( crcOn << 2 ) | |
GregCr | 0:e6ceb13d2d05 | 296 | ( ( symbTimeout >> 8 ) & ~RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK ) ); |
GregCr | 0:e6ceb13d2d05 | 297 | |
GregCr | 0:e6ceb13d2d05 | 298 | Write( REG_LR_MODEMCONFIG3, |
GregCr | 0:e6ceb13d2d05 | 299 | ( Read( REG_LR_MODEMCONFIG3 ) & |
GregCr | 0:e6ceb13d2d05 | 300 | RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 301 | ( this->settings.LoRa.LowDatarateOptimize << 3 ) ); |
GregCr | 0:e6ceb13d2d05 | 302 | |
GregCr | 0:e6ceb13d2d05 | 303 | Write( REG_LR_SYMBTIMEOUTLSB, ( uint8_t )( symbTimeout & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 304 | |
GregCr | 0:e6ceb13d2d05 | 305 | Write( REG_LR_PREAMBLEMSB, ( uint8_t )( ( preambleLen >> 8 ) & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 306 | Write( REG_LR_PREAMBLELSB, ( uint8_t )( preambleLen & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 307 | |
GregCr | 6:e7f02929cd3d | 308 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 309 | { |
GregCr | 6:e7f02929cd3d | 310 | Write( REG_LR_PLLHOP, ( Read( REG_LR_PLLHOP ) & RFLR_PLLHOP_FASTHOP_MASK ) | RFLR_PLLHOP_FASTHOP_ON ); |
GregCr | 6:e7f02929cd3d | 311 | Write( REG_LR_HOPPERIOD, this->settings.LoRa.HopPeriod ); |
GregCr | 6:e7f02929cd3d | 312 | } |
GregCr | 6:e7f02929cd3d | 313 | |
GregCr | 0:e6ceb13d2d05 | 314 | if( datarate == 6 ) |
GregCr | 0:e6ceb13d2d05 | 315 | { |
GregCr | 0:e6ceb13d2d05 | 316 | Write( REG_LR_DETECTOPTIMIZE, |
GregCr | 0:e6ceb13d2d05 | 317 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
GregCr | 0:e6ceb13d2d05 | 318 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 319 | RFLR_DETECTIONOPTIMIZE_SF6 ); |
GregCr | 0:e6ceb13d2d05 | 320 | Write( REG_LR_DETECTIONTHRESHOLD, |
GregCr | 0:e6ceb13d2d05 | 321 | RFLR_DETECTIONTHRESH_SF6 ); |
GregCr | 0:e6ceb13d2d05 | 322 | } |
GregCr | 0:e6ceb13d2d05 | 323 | else |
GregCr | 0:e6ceb13d2d05 | 324 | { |
GregCr | 0:e6ceb13d2d05 | 325 | Write( REG_LR_DETECTOPTIMIZE, |
GregCr | 0:e6ceb13d2d05 | 326 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
GregCr | 0:e6ceb13d2d05 | 327 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 328 | RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12 ); |
GregCr | 0:e6ceb13d2d05 | 329 | Write( REG_LR_DETECTIONTHRESHOLD, |
GregCr | 0:e6ceb13d2d05 | 330 | RFLR_DETECTIONTHRESH_SF7_TO_SF12 ); |
GregCr | 0:e6ceb13d2d05 | 331 | } |
GregCr | 0:e6ceb13d2d05 | 332 | } |
GregCr | 0:e6ceb13d2d05 | 333 | break; |
GregCr | 0:e6ceb13d2d05 | 334 | } |
GregCr | 0:e6ceb13d2d05 | 335 | } |
GregCr | 0:e6ceb13d2d05 | 336 | |
GregCr | 0:e6ceb13d2d05 | 337 | void SX1276::SetTxConfig( ModemType modem, int8_t power, uint32_t fdev, |
GregCr | 0:e6ceb13d2d05 | 338 | uint32_t bandwidth, uint32_t datarate, |
GregCr | 0:e6ceb13d2d05 | 339 | uint8_t coderate, uint16_t preambleLen, |
GregCr | 6:e7f02929cd3d | 340 | bool fixLen, bool crcOn, bool FreqHopOn, |
GregCr | 6:e7f02929cd3d | 341 | uint8_t HopPeriod, bool iqInverted, uint32_t timeout ) |
GregCr | 0:e6ceb13d2d05 | 342 | { |
GregCr | 0:e6ceb13d2d05 | 343 | uint8_t paConfig = 0; |
GregCr | 0:e6ceb13d2d05 | 344 | uint8_t paDac = 0; |
GregCr | 0:e6ceb13d2d05 | 345 | |
GregCr | 0:e6ceb13d2d05 | 346 | SetModem( modem ); |
GregCr | 0:e6ceb13d2d05 | 347 | |
GregCr | 0:e6ceb13d2d05 | 348 | paConfig = Read( REG_PACONFIG ); |
GregCr | 0:e6ceb13d2d05 | 349 | paDac = Read( REG_PADAC ); |
GregCr | 0:e6ceb13d2d05 | 350 | |
GregCr | 0:e6ceb13d2d05 | 351 | paConfig = ( paConfig & RF_PACONFIG_PASELECT_MASK ) | GetPaSelect( this->settings.Channel ); |
GregCr | 0:e6ceb13d2d05 | 352 | paConfig = ( paConfig & RF_PACONFIG_MAX_POWER_MASK ) | 0x70; |
GregCr | 0:e6ceb13d2d05 | 353 | |
GregCr | 0:e6ceb13d2d05 | 354 | if( ( paConfig & RF_PACONFIG_PASELECT_PABOOST ) == RF_PACONFIG_PASELECT_PABOOST ) |
GregCr | 0:e6ceb13d2d05 | 355 | { |
GregCr | 0:e6ceb13d2d05 | 356 | if( power > 17 ) |
GregCr | 0:e6ceb13d2d05 | 357 | { |
GregCr | 0:e6ceb13d2d05 | 358 | paDac = ( paDac & RF_PADAC_20DBM_MASK ) | RF_PADAC_20DBM_ON; |
GregCr | 0:e6ceb13d2d05 | 359 | } |
GregCr | 0:e6ceb13d2d05 | 360 | else |
GregCr | 0:e6ceb13d2d05 | 361 | { |
GregCr | 0:e6ceb13d2d05 | 362 | paDac = ( paDac & RF_PADAC_20DBM_MASK ) | RF_PADAC_20DBM_OFF; |
GregCr | 0:e6ceb13d2d05 | 363 | } |
GregCr | 0:e6ceb13d2d05 | 364 | if( ( paDac & RF_PADAC_20DBM_ON ) == RF_PADAC_20DBM_ON ) |
GregCr | 0:e6ceb13d2d05 | 365 | { |
GregCr | 0:e6ceb13d2d05 | 366 | if( power < 5 ) |
GregCr | 0:e6ceb13d2d05 | 367 | { |
GregCr | 0:e6ceb13d2d05 | 368 | power = 5; |
GregCr | 0:e6ceb13d2d05 | 369 | } |
GregCr | 0:e6ceb13d2d05 | 370 | if( power > 20 ) |
GregCr | 0:e6ceb13d2d05 | 371 | { |
GregCr | 0:e6ceb13d2d05 | 372 | power = 20; |
GregCr | 0:e6ceb13d2d05 | 373 | } |
GregCr | 0:e6ceb13d2d05 | 374 | paConfig = ( paConfig & RF_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power - 5 ) & 0x0F ); |
GregCr | 0:e6ceb13d2d05 | 375 | } |
GregCr | 0:e6ceb13d2d05 | 376 | else |
GregCr | 0:e6ceb13d2d05 | 377 | { |
GregCr | 0:e6ceb13d2d05 | 378 | if( power < 2 ) |
GregCr | 0:e6ceb13d2d05 | 379 | { |
GregCr | 0:e6ceb13d2d05 | 380 | power = 2; |
GregCr | 0:e6ceb13d2d05 | 381 | } |
GregCr | 0:e6ceb13d2d05 | 382 | if( power > 17 ) |
GregCr | 0:e6ceb13d2d05 | 383 | { |
GregCr | 0:e6ceb13d2d05 | 384 | power = 17; |
GregCr | 0:e6ceb13d2d05 | 385 | } |
GregCr | 0:e6ceb13d2d05 | 386 | paConfig = ( paConfig & RF_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power - 2 ) & 0x0F ); |
GregCr | 0:e6ceb13d2d05 | 387 | } |
GregCr | 0:e6ceb13d2d05 | 388 | } |
GregCr | 0:e6ceb13d2d05 | 389 | else |
GregCr | 0:e6ceb13d2d05 | 390 | { |
GregCr | 0:e6ceb13d2d05 | 391 | if( power < -1 ) |
GregCr | 0:e6ceb13d2d05 | 392 | { |
GregCr | 0:e6ceb13d2d05 | 393 | power = -1; |
GregCr | 0:e6ceb13d2d05 | 394 | } |
GregCr | 0:e6ceb13d2d05 | 395 | if( power > 14 ) |
GregCr | 0:e6ceb13d2d05 | 396 | { |
GregCr | 0:e6ceb13d2d05 | 397 | power = 14; |
GregCr | 0:e6ceb13d2d05 | 398 | } |
GregCr | 0:e6ceb13d2d05 | 399 | paConfig = ( paConfig & RF_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power + 1 ) & 0x0F ); |
GregCr | 0:e6ceb13d2d05 | 400 | } |
GregCr | 0:e6ceb13d2d05 | 401 | Write( REG_PACONFIG, paConfig ); |
GregCr | 0:e6ceb13d2d05 | 402 | Write( REG_PADAC, paDac ); |
GregCr | 0:e6ceb13d2d05 | 403 | |
GregCr | 0:e6ceb13d2d05 | 404 | switch( modem ) |
GregCr | 0:e6ceb13d2d05 | 405 | { |
GregCr | 0:e6ceb13d2d05 | 406 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 407 | { |
GregCr | 0:e6ceb13d2d05 | 408 | this->settings.Fsk.Power = power; |
GregCr | 0:e6ceb13d2d05 | 409 | this->settings.Fsk.Fdev = fdev; |
GregCr | 0:e6ceb13d2d05 | 410 | this->settings.Fsk.Bandwidth = bandwidth; |
GregCr | 0:e6ceb13d2d05 | 411 | this->settings.Fsk.Datarate = datarate; |
GregCr | 0:e6ceb13d2d05 | 412 | this->settings.Fsk.PreambleLen = preambleLen; |
GregCr | 0:e6ceb13d2d05 | 413 | this->settings.Fsk.FixLen = fixLen; |
GregCr | 0:e6ceb13d2d05 | 414 | this->settings.Fsk.CrcOn = crcOn; |
GregCr | 0:e6ceb13d2d05 | 415 | this->settings.Fsk.IqInverted = iqInverted; |
GregCr | 0:e6ceb13d2d05 | 416 | this->settings.Fsk.TxTimeout = timeout; |
GregCr | 0:e6ceb13d2d05 | 417 | |
GregCr | 0:e6ceb13d2d05 | 418 | fdev = ( uint16_t )( ( double )fdev / ( double )FREQ_STEP ); |
GregCr | 0:e6ceb13d2d05 | 419 | Write( REG_FDEVMSB, ( uint8_t )( fdev >> 8 ) ); |
GregCr | 0:e6ceb13d2d05 | 420 | Write( REG_FDEVLSB, ( uint8_t )( fdev & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 421 | |
GregCr | 0:e6ceb13d2d05 | 422 | datarate = ( uint16_t )( ( double )XTAL_FREQ / ( double )datarate ); |
GregCr | 0:e6ceb13d2d05 | 423 | Write( REG_BITRATEMSB, ( uint8_t )( datarate >> 8 ) ); |
GregCr | 0:e6ceb13d2d05 | 424 | Write( REG_BITRATELSB, ( uint8_t )( datarate & 0xFF ) ); |
GregCr | 0:e6ceb13d2d05 | 425 | |
GregCr | 0:e6ceb13d2d05 | 426 | Write( REG_PREAMBLEMSB, ( preambleLen >> 8 ) & 0x00FF ); |
GregCr | 0:e6ceb13d2d05 | 427 | Write( REG_PREAMBLELSB, preambleLen & 0xFF ); |
GregCr | 0:e6ceb13d2d05 | 428 | |
GregCr | 0:e6ceb13d2d05 | 429 | Write( REG_PACKETCONFIG1, |
GregCr | 0:e6ceb13d2d05 | 430 | ( Read( REG_PACKETCONFIG1 ) & |
GregCr | 0:e6ceb13d2d05 | 431 | RF_PACKETCONFIG1_CRC_MASK & |
GregCr | 0:e6ceb13d2d05 | 432 | RF_PACKETCONFIG1_PACKETFORMAT_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 433 | ( ( fixLen == 1 ) ? RF_PACKETCONFIG1_PACKETFORMAT_FIXED : RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE ) | |
GregCr | 0:e6ceb13d2d05 | 434 | ( crcOn << 4 ) ); |
GregCr | 0:e6ceb13d2d05 | 435 | |
GregCr | 0:e6ceb13d2d05 | 436 | } |
GregCr | 0:e6ceb13d2d05 | 437 | break; |
GregCr | 0:e6ceb13d2d05 | 438 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 439 | { |
GregCr | 0:e6ceb13d2d05 | 440 | this->settings.LoRa.Power = power; |
GregCr | 0:e6ceb13d2d05 | 441 | if( bandwidth > 2 ) |
GregCr | 0:e6ceb13d2d05 | 442 | { |
GregCr | 0:e6ceb13d2d05 | 443 | // Fatal error: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported |
GregCr | 0:e6ceb13d2d05 | 444 | while( 1 ); |
GregCr | 0:e6ceb13d2d05 | 445 | } |
GregCr | 0:e6ceb13d2d05 | 446 | bandwidth += 7; |
GregCr | 0:e6ceb13d2d05 | 447 | this->settings.LoRa.Bandwidth = bandwidth; |
GregCr | 0:e6ceb13d2d05 | 448 | this->settings.LoRa.Datarate = datarate; |
GregCr | 0:e6ceb13d2d05 | 449 | this->settings.LoRa.Coderate = coderate; |
GregCr | 0:e6ceb13d2d05 | 450 | this->settings.LoRa.PreambleLen = preambleLen; |
GregCr | 0:e6ceb13d2d05 | 451 | this->settings.LoRa.FixLen = fixLen; |
GregCr | 0:e6ceb13d2d05 | 452 | this->settings.LoRa.CrcOn = crcOn; |
GregCr | 6:e7f02929cd3d | 453 | this->settings.LoRa.FreqHopOn = FreqHopOn; |
GregCr | 6:e7f02929cd3d | 454 | this->settings.LoRa.HopPeriod = HopPeriod; |
GregCr | 0:e6ceb13d2d05 | 455 | this->settings.LoRa.IqInverted = iqInverted; |
GregCr | 0:e6ceb13d2d05 | 456 | this->settings.LoRa.TxTimeout = timeout; |
GregCr | 0:e6ceb13d2d05 | 457 | |
GregCr | 0:e6ceb13d2d05 | 458 | if( datarate > 12 ) |
GregCr | 0:e6ceb13d2d05 | 459 | { |
GregCr | 0:e6ceb13d2d05 | 460 | datarate = 12; |
GregCr | 0:e6ceb13d2d05 | 461 | } |
GregCr | 0:e6ceb13d2d05 | 462 | else if( datarate < 6 ) |
GregCr | 0:e6ceb13d2d05 | 463 | { |
GregCr | 0:e6ceb13d2d05 | 464 | datarate = 6; |
GregCr | 0:e6ceb13d2d05 | 465 | } |
GregCr | 0:e6ceb13d2d05 | 466 | if( ( ( bandwidth == 7 ) && ( ( datarate == 11 ) || ( datarate == 12 ) ) ) || |
GregCr | 0:e6ceb13d2d05 | 467 | ( ( bandwidth == 8 ) && ( datarate == 12 ) ) ) |
GregCr | 0:e6ceb13d2d05 | 468 | { |
GregCr | 0:e6ceb13d2d05 | 469 | this->settings.LoRa.LowDatarateOptimize = 0x01; |
GregCr | 0:e6ceb13d2d05 | 470 | } |
GregCr | 0:e6ceb13d2d05 | 471 | else |
GregCr | 0:e6ceb13d2d05 | 472 | { |
GregCr | 0:e6ceb13d2d05 | 473 | this->settings.LoRa.LowDatarateOptimize = 0x00; |
GregCr | 0:e6ceb13d2d05 | 474 | } |
GregCr | 6:e7f02929cd3d | 475 | |
GregCr | 6:e7f02929cd3d | 476 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 477 | { |
GregCr | 6:e7f02929cd3d | 478 | Write( REG_LR_PLLHOP, ( Read( REG_LR_PLLHOP ) & RFLR_PLLHOP_FASTHOP_MASK ) | RFLR_PLLHOP_FASTHOP_ON ); |
GregCr | 6:e7f02929cd3d | 479 | Write( REG_LR_HOPPERIOD, this->settings.LoRa.HopPeriod ); |
GregCr | 6:e7f02929cd3d | 480 | } |
GregCr | 6:e7f02929cd3d | 481 | |
GregCr | 0:e6ceb13d2d05 | 482 | Write( REG_LR_MODEMCONFIG1, |
GregCr | 0:e6ceb13d2d05 | 483 | ( Read( REG_LR_MODEMCONFIG1 ) & |
GregCr | 0:e6ceb13d2d05 | 484 | RFLR_MODEMCONFIG1_BW_MASK & |
GregCr | 0:e6ceb13d2d05 | 485 | RFLR_MODEMCONFIG1_CODINGRATE_MASK & |
GregCr | 0:e6ceb13d2d05 | 486 | RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 487 | ( bandwidth << 4 ) | ( coderate << 1 ) | |
GregCr | 0:e6ceb13d2d05 | 488 | fixLen ); |
GregCr | 0:e6ceb13d2d05 | 489 | |
GregCr | 0:e6ceb13d2d05 | 490 | Write( REG_LR_MODEMCONFIG2, |
GregCr | 0:e6ceb13d2d05 | 491 | ( Read( REG_LR_MODEMCONFIG2 ) & |
GregCr | 0:e6ceb13d2d05 | 492 | RFLR_MODEMCONFIG2_SF_MASK & |
GregCr | 0:e6ceb13d2d05 | 493 | RFLR_MODEMCONFIG2_RXPAYLOADCRC_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 494 | ( datarate << 4 ) | ( crcOn << 2 ) ); |
GregCr | 0:e6ceb13d2d05 | 495 | |
GregCr | 0:e6ceb13d2d05 | 496 | Write( REG_LR_MODEMCONFIG3, |
GregCr | 0:e6ceb13d2d05 | 497 | ( Read( REG_LR_MODEMCONFIG3 ) & |
GregCr | 0:e6ceb13d2d05 | 498 | RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 499 | ( this->settings.LoRa.LowDatarateOptimize << 3 ) ); |
GregCr | 0:e6ceb13d2d05 | 500 | |
GregCr | 0:e6ceb13d2d05 | 501 | Write( REG_LR_PREAMBLEMSB, ( preambleLen >> 8 ) & 0x00FF ); |
GregCr | 0:e6ceb13d2d05 | 502 | Write( REG_LR_PREAMBLELSB, preambleLen & 0xFF ); |
GregCr | 0:e6ceb13d2d05 | 503 | |
GregCr | 0:e6ceb13d2d05 | 504 | if( datarate == 6 ) |
GregCr | 0:e6ceb13d2d05 | 505 | { |
GregCr | 0:e6ceb13d2d05 | 506 | Write( REG_LR_DETECTOPTIMIZE, |
GregCr | 0:e6ceb13d2d05 | 507 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
GregCr | 0:e6ceb13d2d05 | 508 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 509 | RFLR_DETECTIONOPTIMIZE_SF6 ); |
GregCr | 0:e6ceb13d2d05 | 510 | Write( REG_LR_DETECTIONTHRESHOLD, |
GregCr | 0:e6ceb13d2d05 | 511 | RFLR_DETECTIONTHRESH_SF6 ); |
GregCr | 0:e6ceb13d2d05 | 512 | } |
GregCr | 0:e6ceb13d2d05 | 513 | else |
GregCr | 0:e6ceb13d2d05 | 514 | { |
GregCr | 0:e6ceb13d2d05 | 515 | Write( REG_LR_DETECTOPTIMIZE, |
GregCr | 0:e6ceb13d2d05 | 516 | ( Read( REG_LR_DETECTOPTIMIZE ) & |
GregCr | 0:e6ceb13d2d05 | 517 | RFLR_DETECTIONOPTIMIZE_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 518 | RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12 ); |
GregCr | 0:e6ceb13d2d05 | 519 | Write( REG_LR_DETECTIONTHRESHOLD, |
GregCr | 0:e6ceb13d2d05 | 520 | RFLR_DETECTIONTHRESH_SF7_TO_SF12 ); |
GregCr | 0:e6ceb13d2d05 | 521 | } |
GregCr | 0:e6ceb13d2d05 | 522 | } |
GregCr | 0:e6ceb13d2d05 | 523 | break; |
GregCr | 0:e6ceb13d2d05 | 524 | } |
GregCr | 0:e6ceb13d2d05 | 525 | } |
GregCr | 0:e6ceb13d2d05 | 526 | |
GregCr | 0:e6ceb13d2d05 | 527 | double SX1276::TimeOnAir( ModemType modem, uint8_t pktLen ) |
GregCr | 0:e6ceb13d2d05 | 528 | { |
GregCr | 0:e6ceb13d2d05 | 529 | double airTime = 0.0; |
GregCr | 0:e6ceb13d2d05 | 530 | |
GregCr | 0:e6ceb13d2d05 | 531 | switch( modem ) |
GregCr | 0:e6ceb13d2d05 | 532 | { |
GregCr | 0:e6ceb13d2d05 | 533 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 534 | { |
GregCr | 4:f0ce52e94d3f | 535 | airTime = ceil( ( 8 * ( this->settings.Fsk.PreambleLen + |
GregCr | 0:e6ceb13d2d05 | 536 | ( ( Read( REG_SYNCCONFIG ) & ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + 1 ) + |
GregCr | 0:e6ceb13d2d05 | 537 | ( ( this->settings.Fsk.FixLen == 0x01 ) ? 0.0 : 1.0 ) + |
GregCr | 0:e6ceb13d2d05 | 538 | ( ( ( Read( REG_PACKETCONFIG1 ) & ~RF_PACKETCONFIG1_ADDRSFILTERING_MASK ) != 0x00 ) ? 1.0 : 0 ) + |
GregCr | 0:e6ceb13d2d05 | 539 | pktLen + |
GregCr | 0:e6ceb13d2d05 | 540 | ( ( this->settings.Fsk.CrcOn == 0x01 ) ? 2.0 : 0 ) ) / |
GregCr | 0:e6ceb13d2d05 | 541 | this->settings.Fsk.Datarate ) * 1e6 ); |
GregCr | 0:e6ceb13d2d05 | 542 | } |
GregCr | 0:e6ceb13d2d05 | 543 | break; |
GregCr | 0:e6ceb13d2d05 | 544 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 545 | { |
GregCr | 0:e6ceb13d2d05 | 546 | double bw = 0.0; |
GregCr | 0:e6ceb13d2d05 | 547 | // REMARK: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported |
GregCr | 0:e6ceb13d2d05 | 548 | switch( this->settings.LoRa.Bandwidth ) |
GregCr | 0:e6ceb13d2d05 | 549 | { |
GregCr | 0:e6ceb13d2d05 | 550 | //case 0: // 7.8 kHz |
GregCr | 0:e6ceb13d2d05 | 551 | // bw = 78e2; |
GregCr | 0:e6ceb13d2d05 | 552 | // break; |
GregCr | 0:e6ceb13d2d05 | 553 | //case 1: // 10.4 kHz |
GregCr | 0:e6ceb13d2d05 | 554 | // bw = 104e2; |
GregCr | 0:e6ceb13d2d05 | 555 | // break; |
GregCr | 0:e6ceb13d2d05 | 556 | //case 2: // 15.6 kHz |
GregCr | 0:e6ceb13d2d05 | 557 | // bw = 156e2; |
GregCr | 0:e6ceb13d2d05 | 558 | // break; |
GregCr | 0:e6ceb13d2d05 | 559 | //case 3: // 20.8 kHz |
GregCr | 0:e6ceb13d2d05 | 560 | // bw = 208e2; |
GregCr | 0:e6ceb13d2d05 | 561 | // break; |
GregCr | 0:e6ceb13d2d05 | 562 | //case 4: // 31.2 kHz |
GregCr | 0:e6ceb13d2d05 | 563 | // bw = 312e2; |
GregCr | 0:e6ceb13d2d05 | 564 | // break; |
GregCr | 0:e6ceb13d2d05 | 565 | //case 5: // 41.4 kHz |
GregCr | 0:e6ceb13d2d05 | 566 | // bw = 414e2; |
GregCr | 0:e6ceb13d2d05 | 567 | // break; |
GregCr | 0:e6ceb13d2d05 | 568 | //case 6: // 62.5 kHz |
GregCr | 0:e6ceb13d2d05 | 569 | // bw = 625e2; |
GregCr | 0:e6ceb13d2d05 | 570 | // break; |
GregCr | 0:e6ceb13d2d05 | 571 | case 7: // 125 kHz |
GregCr | 0:e6ceb13d2d05 | 572 | bw = 125e3; |
GregCr | 0:e6ceb13d2d05 | 573 | break; |
GregCr | 0:e6ceb13d2d05 | 574 | case 8: // 250 kHz |
GregCr | 0:e6ceb13d2d05 | 575 | bw = 250e3; |
GregCr | 0:e6ceb13d2d05 | 576 | break; |
GregCr | 0:e6ceb13d2d05 | 577 | case 9: // 500 kHz |
GregCr | 0:e6ceb13d2d05 | 578 | bw = 500e3; |
GregCr | 0:e6ceb13d2d05 | 579 | break; |
GregCr | 0:e6ceb13d2d05 | 580 | } |
GregCr | 0:e6ceb13d2d05 | 581 | |
GregCr | 0:e6ceb13d2d05 | 582 | // Symbol rate : time for one symbol (secs) |
GregCr | 0:e6ceb13d2d05 | 583 | double rs = bw / ( 1 << this->settings.LoRa.Datarate ); |
GregCr | 0:e6ceb13d2d05 | 584 | double ts = 1 / rs; |
GregCr | 0:e6ceb13d2d05 | 585 | // time of preamble |
GregCr | 0:e6ceb13d2d05 | 586 | double tPreamble = ( this->settings.LoRa.PreambleLen + 4.25 ) * ts; |
GregCr | 0:e6ceb13d2d05 | 587 | // Symbol length of payload and time |
GregCr | 0:e6ceb13d2d05 | 588 | double tmp = ceil( ( 8 * pktLen - 4 * this->settings.LoRa.Datarate + |
GregCr | 0:e6ceb13d2d05 | 589 | 28 + 16 * this->settings.LoRa.CrcOn - |
GregCr | 0:e6ceb13d2d05 | 590 | ( this->settings.LoRa.FixLen ? 20 : 0 ) ) / |
GregCr | 0:e6ceb13d2d05 | 591 | ( double )( 4 * this->settings.LoRa.Datarate - |
GregCr | 0:e6ceb13d2d05 | 592 | ( ( this->settings.LoRa.LowDatarateOptimize > 0 ) ? 8 : 0 ) ) ) * |
GregCr | 0:e6ceb13d2d05 | 593 | ( this->settings.LoRa.Coderate + 4 ); |
GregCr | 0:e6ceb13d2d05 | 594 | double nPayload = 8 + ( ( tmp > 0 ) ? tmp : 0 ); |
GregCr | 0:e6ceb13d2d05 | 595 | double tPayload = nPayload * ts; |
GregCr | 0:e6ceb13d2d05 | 596 | // Time on air |
GregCr | 0:e6ceb13d2d05 | 597 | double tOnAir = tPreamble + tPayload; |
GregCr | 0:e6ceb13d2d05 | 598 | // return us secs |
GregCr | 0:e6ceb13d2d05 | 599 | airTime = floor( tOnAir * 1e6 + 0.999 ); |
GregCr | 0:e6ceb13d2d05 | 600 | } |
GregCr | 0:e6ceb13d2d05 | 601 | break; |
GregCr | 0:e6ceb13d2d05 | 602 | } |
GregCr | 0:e6ceb13d2d05 | 603 | return airTime; |
GregCr | 0:e6ceb13d2d05 | 604 | } |
GregCr | 0:e6ceb13d2d05 | 605 | |
GregCr | 0:e6ceb13d2d05 | 606 | void SX1276::Send( uint8_t *buffer, uint8_t size ) |
GregCr | 0:e6ceb13d2d05 | 607 | { |
GregCr | 0:e6ceb13d2d05 | 608 | uint32_t txTimeout = 0; |
GregCr | 0:e6ceb13d2d05 | 609 | |
GregCr | 5:11ec8a6ba4f0 | 610 | this->settings.State = IDLE; |
GregCr | 5:11ec8a6ba4f0 | 611 | |
GregCr | 0:e6ceb13d2d05 | 612 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 613 | { |
GregCr | 0:e6ceb13d2d05 | 614 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 615 | { |
GregCr | 0:e6ceb13d2d05 | 616 | this->settings.FskPacketHandler.NbBytes = 0; |
GregCr | 0:e6ceb13d2d05 | 617 | this->settings.FskPacketHandler.Size = size; |
GregCr | 0:e6ceb13d2d05 | 618 | |
GregCr | 0:e6ceb13d2d05 | 619 | if( this->settings.Fsk.FixLen == false ) |
GregCr | 0:e6ceb13d2d05 | 620 | { |
GregCr | 0:e6ceb13d2d05 | 621 | WriteFifo( ( uint8_t* )&size, 1 ); |
GregCr | 0:e6ceb13d2d05 | 622 | } |
GregCr | 0:e6ceb13d2d05 | 623 | else |
GregCr | 0:e6ceb13d2d05 | 624 | { |
GregCr | 0:e6ceb13d2d05 | 625 | Write( REG_PAYLOADLENGTH, size ); |
GregCr | 0:e6ceb13d2d05 | 626 | } |
GregCr | 0:e6ceb13d2d05 | 627 | |
GregCr | 0:e6ceb13d2d05 | 628 | if( ( size > 0 ) && ( size <= 64 ) ) |
GregCr | 0:e6ceb13d2d05 | 629 | { |
GregCr | 0:e6ceb13d2d05 | 630 | this->settings.FskPacketHandler.ChunkSize = size; |
GregCr | 0:e6ceb13d2d05 | 631 | } |
GregCr | 0:e6ceb13d2d05 | 632 | else |
GregCr | 0:e6ceb13d2d05 | 633 | { |
GregCr | 0:e6ceb13d2d05 | 634 | this->settings.FskPacketHandler.ChunkSize = 32; |
GregCr | 0:e6ceb13d2d05 | 635 | } |
GregCr | 0:e6ceb13d2d05 | 636 | |
GregCr | 0:e6ceb13d2d05 | 637 | // Write payload buffer |
GregCr | 0:e6ceb13d2d05 | 638 | WriteFifo( buffer, this->settings.FskPacketHandler.ChunkSize ); |
GregCr | 0:e6ceb13d2d05 | 639 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.ChunkSize; |
GregCr | 0:e6ceb13d2d05 | 640 | txTimeout = this->settings.Fsk.TxTimeout; |
GregCr | 0:e6ceb13d2d05 | 641 | } |
GregCr | 0:e6ceb13d2d05 | 642 | break; |
GregCr | 0:e6ceb13d2d05 | 643 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 644 | { |
GregCr | 0:e6ceb13d2d05 | 645 | if( this->settings.LoRa.IqInverted == true ) |
GregCr | 0:e6ceb13d2d05 | 646 | { |
GregCr | 0:e6ceb13d2d05 | 647 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_ON ) ); |
GregCr | 0:e6ceb13d2d05 | 648 | } |
GregCr | 0:e6ceb13d2d05 | 649 | else |
GregCr | 0:e6ceb13d2d05 | 650 | { |
GregCr | 0:e6ceb13d2d05 | 651 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_OFF ) ); |
GregCr | 0:e6ceb13d2d05 | 652 | } |
GregCr | 0:e6ceb13d2d05 | 653 | |
GregCr | 0:e6ceb13d2d05 | 654 | this->settings.LoRaPacketHandler.Size = size; |
GregCr | 0:e6ceb13d2d05 | 655 | |
GregCr | 0:e6ceb13d2d05 | 656 | // Initializes the payload size |
GregCr | 0:e6ceb13d2d05 | 657 | Write( REG_LR_PAYLOADLENGTH, size ); |
GregCr | 0:e6ceb13d2d05 | 658 | |
GregCr | 0:e6ceb13d2d05 | 659 | // Full buffer used for Tx |
GregCr | 0:e6ceb13d2d05 | 660 | Write( REG_LR_FIFOTXBASEADDR, 0 ); |
GregCr | 0:e6ceb13d2d05 | 661 | Write( REG_LR_FIFOADDRPTR, 0 ); |
GregCr | 0:e6ceb13d2d05 | 662 | |
GregCr | 0:e6ceb13d2d05 | 663 | // FIFO operations can not take place in Sleep mode |
GregCr | 0:e6ceb13d2d05 | 664 | if( ( Read( REG_OPMODE ) & ~RF_OPMODE_MASK ) == RF_OPMODE_SLEEP ) |
GregCr | 0:e6ceb13d2d05 | 665 | { |
GregCr | 0:e6ceb13d2d05 | 666 | Standby( ); |
GregCr | 4:f0ce52e94d3f | 667 | wait_ms( 1 ); |
GregCr | 0:e6ceb13d2d05 | 668 | } |
GregCr | 0:e6ceb13d2d05 | 669 | // Write payload buffer |
GregCr | 0:e6ceb13d2d05 | 670 | WriteFifo( buffer, size ); |
GregCr | 0:e6ceb13d2d05 | 671 | txTimeout = this->settings.LoRa.TxTimeout; |
GregCr | 0:e6ceb13d2d05 | 672 | } |
GregCr | 0:e6ceb13d2d05 | 673 | break; |
GregCr | 0:e6ceb13d2d05 | 674 | } |
GregCr | 0:e6ceb13d2d05 | 675 | |
GregCr | 0:e6ceb13d2d05 | 676 | Tx( txTimeout ); |
GregCr | 0:e6ceb13d2d05 | 677 | } |
GregCr | 0:e6ceb13d2d05 | 678 | |
GregCr | 0:e6ceb13d2d05 | 679 | void SX1276::Sleep( void ) |
GregCr | 0:e6ceb13d2d05 | 680 | { |
GregCr | 0:e6ceb13d2d05 | 681 | // Initialize driver timeout timers |
GregCr | 0:e6ceb13d2d05 | 682 | txTimeoutTimer.detach( ); |
GregCr | 0:e6ceb13d2d05 | 683 | rxTimeoutTimer.detach( ); |
GregCr | 0:e6ceb13d2d05 | 684 | SetOpMode( RF_OPMODE_SLEEP ); |
GregCr | 0:e6ceb13d2d05 | 685 | } |
GregCr | 0:e6ceb13d2d05 | 686 | |
GregCr | 0:e6ceb13d2d05 | 687 | void SX1276::Standby( void ) |
GregCr | 0:e6ceb13d2d05 | 688 | { |
GregCr | 0:e6ceb13d2d05 | 689 | txTimeoutTimer.detach( ); |
GregCr | 0:e6ceb13d2d05 | 690 | rxTimeoutTimer.detach( ); |
GregCr | 0:e6ceb13d2d05 | 691 | SetOpMode( RF_OPMODE_STANDBY ); |
GregCr | 0:e6ceb13d2d05 | 692 | } |
GregCr | 0:e6ceb13d2d05 | 693 | |
GregCr | 0:e6ceb13d2d05 | 694 | void SX1276::Rx( uint32_t timeout ) |
GregCr | 0:e6ceb13d2d05 | 695 | { |
GregCr | 0:e6ceb13d2d05 | 696 | bool rxContinuous = false; |
GregCr | 6:e7f02929cd3d | 697 | |
GregCr | 0:e6ceb13d2d05 | 698 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 699 | { |
GregCr | 0:e6ceb13d2d05 | 700 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 701 | { |
GregCr | 0:e6ceb13d2d05 | 702 | rxContinuous = this->settings.Fsk.RxContinuous; |
GregCr | 0:e6ceb13d2d05 | 703 | |
GregCr | 0:e6ceb13d2d05 | 704 | // DIO0=PayloadReady |
GregCr | 0:e6ceb13d2d05 | 705 | // DIO1=FifoLevel |
GregCr | 0:e6ceb13d2d05 | 706 | // DIO2=SyncAddr |
GregCr | 0:e6ceb13d2d05 | 707 | // DIO3=FifoEmpty |
GregCr | 0:e6ceb13d2d05 | 708 | // DIO4=Preamble |
GregCr | 0:e6ceb13d2d05 | 709 | // DIO5=ModeReady |
GregCr | 5:11ec8a6ba4f0 | 710 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK & RF_DIOMAPPING1_DIO1_MASK & |
GregCr | 0:e6ceb13d2d05 | 711 | RF_DIOMAPPING1_DIO2_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 712 | RF_DIOMAPPING1_DIO0_00 | |
GregCr | 0:e6ceb13d2d05 | 713 | RF_DIOMAPPING1_DIO2_11 ); |
GregCr | 0:e6ceb13d2d05 | 714 | |
GregCr | 0:e6ceb13d2d05 | 715 | Write( REG_DIOMAPPING2, ( Read( REG_DIOMAPPING2 ) & RF_DIOMAPPING2_DIO4_MASK & |
GregCr | 0:e6ceb13d2d05 | 716 | RF_DIOMAPPING2_MAP_MASK ) | |
GregCr | 0:e6ceb13d2d05 | 717 | RF_DIOMAPPING2_DIO4_11 | |
GregCr | 0:e6ceb13d2d05 | 718 | RF_DIOMAPPING2_MAP_PREAMBLEDETECT ); |
GregCr | 0:e6ceb13d2d05 | 719 | |
GregCr | 0:e6ceb13d2d05 | 720 | this->settings.FskPacketHandler.FifoThresh = Read( REG_FIFOTHRESH ) & 0x3F; |
GregCr | 0:e6ceb13d2d05 | 721 | |
GregCr | 0:e6ceb13d2d05 | 722 | this->settings.FskPacketHandler.PreambleDetected = false; |
GregCr | 0:e6ceb13d2d05 | 723 | this->settings.FskPacketHandler.SyncWordDetected = false; |
GregCr | 0:e6ceb13d2d05 | 724 | this->settings.FskPacketHandler.NbBytes = 0; |
GregCr | 0:e6ceb13d2d05 | 725 | this->settings.FskPacketHandler.Size = 0; |
GregCr | 0:e6ceb13d2d05 | 726 | } |
GregCr | 0:e6ceb13d2d05 | 727 | break; |
GregCr | 0:e6ceb13d2d05 | 728 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 729 | { |
GregCr | 0:e6ceb13d2d05 | 730 | if( this->settings.LoRa.IqInverted == true ) |
GregCr | 0:e6ceb13d2d05 | 731 | { |
GregCr | 0:e6ceb13d2d05 | 732 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_ON | RFLR_INVERTIQ_TX_OFF ) ); |
GregCr | 0:e6ceb13d2d05 | 733 | } |
GregCr | 0:e6ceb13d2d05 | 734 | else |
GregCr | 0:e6ceb13d2d05 | 735 | { |
GregCr | 0:e6ceb13d2d05 | 736 | Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_OFF ) ); |
GregCr | 0:e6ceb13d2d05 | 737 | } |
GregCr | 0:e6ceb13d2d05 | 738 | |
GregCr | 0:e6ceb13d2d05 | 739 | rxContinuous = this->settings.LoRa.RxContinuous; |
GregCr | 0:e6ceb13d2d05 | 740 | |
GregCr | 6:e7f02929cd3d | 741 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 742 | { |
GregCr | 6:e7f02929cd3d | 743 | Write( REG_LR_IRQFLAGSMASK, //RFLR_IRQFLAGS_RXTIMEOUT | |
GregCr | 0:e6ceb13d2d05 | 744 | //RFLR_IRQFLAGS_RXDONE | |
GregCr | 0:e6ceb13d2d05 | 745 | //RFLR_IRQFLAGS_PAYLOADCRCERROR | |
GregCr | 4:f0ce52e94d3f | 746 | RFLR_IRQFLAGS_VALIDHEADER | |
GregCr | 0:e6ceb13d2d05 | 747 | RFLR_IRQFLAGS_TXDONE | |
GregCr | 0:e6ceb13d2d05 | 748 | RFLR_IRQFLAGS_CADDONE | |
GregCr | 6:e7f02929cd3d | 749 | //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
GregCr | 0:e6ceb13d2d05 | 750 | RFLR_IRQFLAGS_CADDETECTED ); |
GregCr | 6:e7f02929cd3d | 751 | |
GregCr | 6:e7f02929cd3d | 752 | // DIO0=RxDone |
GregCr | 6:e7f02929cd3d | 753 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_00 ); |
GregCr | 6:e7f02929cd3d | 754 | // DIO2=FhssChangeChannel |
GregCr | 6:e7f02929cd3d | 755 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO2_MASK ) | RFLR_DIOMAPPING1_DIO2_00 ); |
GregCr | 6:e7f02929cd3d | 756 | } |
GregCr | 6:e7f02929cd3d | 757 | else |
GregCr | 6:e7f02929cd3d | 758 | { |
GregCr | 6:e7f02929cd3d | 759 | Write( REG_LR_IRQFLAGSMASK, //RFLR_IRQFLAGS_RXTIMEOUT | |
GregCr | 6:e7f02929cd3d | 760 | //RFLR_IRQFLAGS_RXDONE | |
GregCr | 6:e7f02929cd3d | 761 | //RFLR_IRQFLAGS_PAYLOADCRCERROR | |
GregCr | 6:e7f02929cd3d | 762 | RFLR_IRQFLAGS_VALIDHEADER | |
GregCr | 6:e7f02929cd3d | 763 | RFLR_IRQFLAGS_TXDONE | |
GregCr | 6:e7f02929cd3d | 764 | RFLR_IRQFLAGS_CADDONE | |
GregCr | 6:e7f02929cd3d | 765 | //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
GregCr | 6:e7f02929cd3d | 766 | RFLR_IRQFLAGS_CADDETECTED ); |
GregCr | 6:e7f02929cd3d | 767 | |
GregCr | 6:e7f02929cd3d | 768 | // DIO0=RxDone |
GregCr | 6:e7f02929cd3d | 769 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_00 ); |
GregCr | 6:e7f02929cd3d | 770 | } |
GregCr | 0:e6ceb13d2d05 | 771 | |
GregCr | 0:e6ceb13d2d05 | 772 | Write( REG_LR_FIFORXBASEADDR, 0 ); |
GregCr | 0:e6ceb13d2d05 | 773 | Write( REG_LR_FIFOADDRPTR, 0 ); |
GregCr | 0:e6ceb13d2d05 | 774 | } |
GregCr | 0:e6ceb13d2d05 | 775 | break; |
GregCr | 0:e6ceb13d2d05 | 776 | } |
GregCr | 0:e6ceb13d2d05 | 777 | |
GregCr | 0:e6ceb13d2d05 | 778 | memset( rxBuffer, 0, ( size_t )RX_BUFFER_SIZE ); |
GregCr | 0:e6ceb13d2d05 | 779 | |
GregCr | 0:e6ceb13d2d05 | 780 | this->settings.State = RX; |
GregCr | 0:e6ceb13d2d05 | 781 | if( timeout != 0 ) |
GregCr | 0:e6ceb13d2d05 | 782 | { |
GregCr | 0:e6ceb13d2d05 | 783 | rxTimeoutTimer.attach_us( this, &SX1276::OnTimeoutIrq, timeout ); |
GregCr | 0:e6ceb13d2d05 | 784 | } |
GregCr | 0:e6ceb13d2d05 | 785 | |
GregCr | 0:e6ceb13d2d05 | 786 | if( this->settings.Modem == MODEM_FSK ) |
GregCr | 0:e6ceb13d2d05 | 787 | { |
GregCr | 0:e6ceb13d2d05 | 788 | SetOpMode( RF_OPMODE_RECEIVER ); |
GregCr | 0:e6ceb13d2d05 | 789 | |
GregCr | 0:e6ceb13d2d05 | 790 | if( rxContinuous == false ) |
GregCr | 0:e6ceb13d2d05 | 791 | { |
GregCr | 0:e6ceb13d2d05 | 792 | rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen + |
GregCr | 0:e6ceb13d2d05 | 793 | ( ( Read( REG_SYNCCONFIG ) & |
GregCr | 0:e6ceb13d2d05 | 794 | ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + |
GregCr | 0:e6ceb13d2d05 | 795 | 1.0 ) + 1.0 ) / |
GregCr | 0:e6ceb13d2d05 | 796 | ( double )this->settings.Fsk.Datarate ) * 1e6 ) ; |
GregCr | 0:e6ceb13d2d05 | 797 | } |
GregCr | 0:e6ceb13d2d05 | 798 | } |
GregCr | 0:e6ceb13d2d05 | 799 | else |
GregCr | 0:e6ceb13d2d05 | 800 | { |
GregCr | 0:e6ceb13d2d05 | 801 | if( rxContinuous == true ) |
GregCr | 0:e6ceb13d2d05 | 802 | { |
GregCr | 0:e6ceb13d2d05 | 803 | SetOpMode( RFLR_OPMODE_RECEIVER ); |
GregCr | 0:e6ceb13d2d05 | 804 | } |
GregCr | 0:e6ceb13d2d05 | 805 | else |
GregCr | 0:e6ceb13d2d05 | 806 | { |
GregCr | 0:e6ceb13d2d05 | 807 | SetOpMode( RFLR_OPMODE_RECEIVER_SINGLE ); |
GregCr | 0:e6ceb13d2d05 | 808 | } |
GregCr | 0:e6ceb13d2d05 | 809 | } |
GregCr | 0:e6ceb13d2d05 | 810 | } |
GregCr | 0:e6ceb13d2d05 | 811 | |
GregCr | 0:e6ceb13d2d05 | 812 | void SX1276::Tx( uint32_t timeout ) |
GregCr | 0:e6ceb13d2d05 | 813 | { |
GregCr | 0:e6ceb13d2d05 | 814 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 815 | { |
GregCr | 0:e6ceb13d2d05 | 816 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 817 | { |
GregCr | 0:e6ceb13d2d05 | 818 | // DIO0=PacketSent |
GregCr | 0:e6ceb13d2d05 | 819 | // DIO1=FifoLevel |
GregCr | 0:e6ceb13d2d05 | 820 | // DIO2=FifoFull |
GregCr | 0:e6ceb13d2d05 | 821 | // DIO3=FifoEmpty |
GregCr | 0:e6ceb13d2d05 | 822 | // DIO4=LowBat |
GregCr | 0:e6ceb13d2d05 | 823 | // DIO5=ModeReady |
GregCr | 5:11ec8a6ba4f0 | 824 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK & RF_DIOMAPPING1_DIO1_MASK & |
GregCr | 0:e6ceb13d2d05 | 825 | RF_DIOMAPPING1_DIO2_MASK ) ); |
GregCr | 0:e6ceb13d2d05 | 826 | |
GregCr | 0:e6ceb13d2d05 | 827 | Write( REG_DIOMAPPING2, ( Read( REG_DIOMAPPING2 ) & RF_DIOMAPPING2_DIO4_MASK & |
GregCr | 0:e6ceb13d2d05 | 828 | RF_DIOMAPPING2_MAP_MASK ) ); |
GregCr | 0:e6ceb13d2d05 | 829 | this->settings.FskPacketHandler.FifoThresh = Read( REG_FIFOTHRESH ) & 0x3F; |
GregCr | 0:e6ceb13d2d05 | 830 | } |
GregCr | 0:e6ceb13d2d05 | 831 | break; |
GregCr | 0:e6ceb13d2d05 | 832 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 833 | { |
GregCr | 6:e7f02929cd3d | 834 | |
GregCr | 6:e7f02929cd3d | 835 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 836 | { |
GregCr | 6:e7f02929cd3d | 837 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
GregCr | 6:e7f02929cd3d | 838 | RFLR_IRQFLAGS_RXDONE | |
GregCr | 6:e7f02929cd3d | 839 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
GregCr | 6:e7f02929cd3d | 840 | RFLR_IRQFLAGS_VALIDHEADER | |
GregCr | 6:e7f02929cd3d | 841 | //RFLR_IRQFLAGS_TXDONE | |
GregCr | 6:e7f02929cd3d | 842 | RFLR_IRQFLAGS_CADDONE | |
GregCr | 6:e7f02929cd3d | 843 | //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
GregCr | 6:e7f02929cd3d | 844 | RFLR_IRQFLAGS_CADDETECTED ); |
GregCr | 6:e7f02929cd3d | 845 | |
GregCr | 6:e7f02929cd3d | 846 | // DIO0=TxDone |
GregCr | 6:e7f02929cd3d | 847 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_00 ); |
GregCr | 6:e7f02929cd3d | 848 | // DIO2=FhssChangeChannel |
GregCr | 6:e7f02929cd3d | 849 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO2_MASK ) | RFLR_DIOMAPPING1_DIO2_00 ); |
GregCr | 6:e7f02929cd3d | 850 | } |
GregCr | 6:e7f02929cd3d | 851 | else |
GregCr | 6:e7f02929cd3d | 852 | { |
GregCr | 6:e7f02929cd3d | 853 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
GregCr | 0:e6ceb13d2d05 | 854 | RFLR_IRQFLAGS_RXDONE | |
GregCr | 0:e6ceb13d2d05 | 855 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
GregCr | 0:e6ceb13d2d05 | 856 | RFLR_IRQFLAGS_VALIDHEADER | |
GregCr | 0:e6ceb13d2d05 | 857 | //RFLR_IRQFLAGS_TXDONE | |
GregCr | 0:e6ceb13d2d05 | 858 | RFLR_IRQFLAGS_CADDONE | |
GregCr | 0:e6ceb13d2d05 | 859 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
GregCr | 0:e6ceb13d2d05 | 860 | RFLR_IRQFLAGS_CADDETECTED ); |
GregCr | 6:e7f02929cd3d | 861 | |
GregCr | 6:e7f02929cd3d | 862 | // DIO0=TxDone |
GregCr | 6:e7f02929cd3d | 863 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_01 ); |
GregCr | 6:e7f02929cd3d | 864 | } |
GregCr | 0:e6ceb13d2d05 | 865 | } |
GregCr | 0:e6ceb13d2d05 | 866 | break; |
GregCr | 0:e6ceb13d2d05 | 867 | } |
GregCr | 0:e6ceb13d2d05 | 868 | |
GregCr | 0:e6ceb13d2d05 | 869 | this->settings.State = TX; |
GregCr | 0:e6ceb13d2d05 | 870 | txTimeoutTimer.attach_us( this, &SX1276::OnTimeoutIrq, timeout ); |
GregCr | 0:e6ceb13d2d05 | 871 | SetOpMode( RF_OPMODE_TRANSMITTER ); |
GregCr | 0:e6ceb13d2d05 | 872 | } |
GregCr | 0:e6ceb13d2d05 | 873 | |
GregCr | 7:2b555111463f | 874 | void SX1276::StartCad( void ) |
GregCr | 0:e6ceb13d2d05 | 875 | { |
GregCr | 7:2b555111463f | 876 | switch( this->settings.Modem ) |
GregCr | 7:2b555111463f | 877 | { |
GregCr | 7:2b555111463f | 878 | case MODEM_FSK: |
GregCr | 7:2b555111463f | 879 | { |
GregCr | 7:2b555111463f | 880 | |
GregCr | 7:2b555111463f | 881 | } |
GregCr | 7:2b555111463f | 882 | break; |
GregCr | 7:2b555111463f | 883 | case MODEM_LORA: |
GregCr | 7:2b555111463f | 884 | { |
GregCr | 7:2b555111463f | 885 | Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | |
GregCr | 7:2b555111463f | 886 | RFLR_IRQFLAGS_RXDONE | |
GregCr | 7:2b555111463f | 887 | RFLR_IRQFLAGS_PAYLOADCRCERROR | |
GregCr | 7:2b555111463f | 888 | RFLR_IRQFLAGS_VALIDHEADER | |
GregCr | 7:2b555111463f | 889 | RFLR_IRQFLAGS_TXDONE | |
GregCr | 7:2b555111463f | 890 | //RFLR_IRQFLAGS_CADDONE | |
GregCr | 7:2b555111463f | 891 | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | |
GregCr | 7:2b555111463f | 892 | RFLR_IRQFLAGS_CADDETECTED ); |
GregCr | 7:2b555111463f | 893 | |
GregCr | 7:2b555111463f | 894 | // DIO3=CADDone |
GregCr | 7:2b555111463f | 895 | Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_00 ); |
GregCr | 7:2b555111463f | 896 | |
GregCr | 7:2b555111463f | 897 | this->settings.State = CAD; |
GregCr | 7:2b555111463f | 898 | SetOpMode( RFLR_OPMODE_CAD ); |
GregCr | 7:2b555111463f | 899 | } |
GregCr | 7:2b555111463f | 900 | break; |
GregCr | 7:2b555111463f | 901 | default: |
GregCr | 7:2b555111463f | 902 | break; |
GregCr | 7:2b555111463f | 903 | } |
GregCr | 7:2b555111463f | 904 | } |
GregCr | 7:2b555111463f | 905 | |
GregCr | 7:2b555111463f | 906 | int16_t SX1276::GetRssi( ModemType modem ) |
GregCr | 7:2b555111463f | 907 | { |
GregCr | 7:2b555111463f | 908 | int16_t rssi = 0; |
GregCr | 0:e6ceb13d2d05 | 909 | |
GregCr | 0:e6ceb13d2d05 | 910 | switch( modem ) |
GregCr | 0:e6ceb13d2d05 | 911 | { |
GregCr | 0:e6ceb13d2d05 | 912 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 913 | rssi = -( Read( REG_RSSIVALUE ) >> 1 ); |
GregCr | 0:e6ceb13d2d05 | 914 | break; |
GregCr | 0:e6ceb13d2d05 | 915 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 916 | if( this->settings.Channel > RF_MID_BAND_THRESH ) |
GregCr | 0:e6ceb13d2d05 | 917 | { |
GregCr | 0:e6ceb13d2d05 | 918 | rssi = RSSI_OFFSET_HF + Read( REG_LR_RSSIVALUE ); |
GregCr | 0:e6ceb13d2d05 | 919 | } |
GregCr | 0:e6ceb13d2d05 | 920 | else |
GregCr | 0:e6ceb13d2d05 | 921 | { |
GregCr | 0:e6ceb13d2d05 | 922 | rssi = RSSI_OFFSET_LF + Read( REG_LR_RSSIVALUE ); |
GregCr | 0:e6ceb13d2d05 | 923 | } |
GregCr | 0:e6ceb13d2d05 | 924 | break; |
GregCr | 0:e6ceb13d2d05 | 925 | default: |
GregCr | 0:e6ceb13d2d05 | 926 | rssi = -1; |
GregCr | 0:e6ceb13d2d05 | 927 | break; |
GregCr | 0:e6ceb13d2d05 | 928 | } |
GregCr | 0:e6ceb13d2d05 | 929 | return rssi; |
GregCr | 0:e6ceb13d2d05 | 930 | } |
GregCr | 0:e6ceb13d2d05 | 931 | |
GregCr | 0:e6ceb13d2d05 | 932 | void SX1276::SetOpMode( uint8_t opMode ) |
GregCr | 0:e6ceb13d2d05 | 933 | { |
GregCr | 0:e6ceb13d2d05 | 934 | if( opMode != previousOpMode ) |
GregCr | 0:e6ceb13d2d05 | 935 | { |
GregCr | 0:e6ceb13d2d05 | 936 | previousOpMode = opMode; |
GregCr | 0:e6ceb13d2d05 | 937 | if( opMode == RF_OPMODE_SLEEP ) |
GregCr | 0:e6ceb13d2d05 | 938 | { |
GregCr | 0:e6ceb13d2d05 | 939 | SetAntSwLowPower( true ); |
GregCr | 0:e6ceb13d2d05 | 940 | } |
GregCr | 0:e6ceb13d2d05 | 941 | else |
GregCr | 0:e6ceb13d2d05 | 942 | { |
GregCr | 0:e6ceb13d2d05 | 943 | SetAntSwLowPower( false ); |
GregCr | 0:e6ceb13d2d05 | 944 | if( opMode == RF_OPMODE_TRANSMITTER ) |
GregCr | 0:e6ceb13d2d05 | 945 | { |
GregCr | 0:e6ceb13d2d05 | 946 | SetAntSw( 1 ); |
GregCr | 0:e6ceb13d2d05 | 947 | } |
GregCr | 0:e6ceb13d2d05 | 948 | else |
GregCr | 0:e6ceb13d2d05 | 949 | { |
GregCr | 0:e6ceb13d2d05 | 950 | SetAntSw( 0 ); |
GregCr | 0:e6ceb13d2d05 | 951 | } |
GregCr | 0:e6ceb13d2d05 | 952 | } |
GregCr | 0:e6ceb13d2d05 | 953 | Write( REG_OPMODE, ( Read( REG_OPMODE ) & RF_OPMODE_MASK ) | opMode ); |
GregCr | 0:e6ceb13d2d05 | 954 | } |
GregCr | 0:e6ceb13d2d05 | 955 | } |
GregCr | 0:e6ceb13d2d05 | 956 | |
GregCr | 0:e6ceb13d2d05 | 957 | void SX1276::SetModem( ModemType modem ) |
GregCr | 0:e6ceb13d2d05 | 958 | { |
GregCr | 4:f0ce52e94d3f | 959 | if( this->settings.Modem != modem ) |
GregCr | 0:e6ceb13d2d05 | 960 | { |
GregCr | 4:f0ce52e94d3f | 961 | this->settings.Modem = modem; |
GregCr | 4:f0ce52e94d3f | 962 | switch( this->settings.Modem ) |
GregCr | 4:f0ce52e94d3f | 963 | { |
GregCr | 4:f0ce52e94d3f | 964 | default: |
GregCr | 4:f0ce52e94d3f | 965 | case MODEM_FSK: |
GregCr | 4:f0ce52e94d3f | 966 | SetOpMode( RF_OPMODE_SLEEP ); |
GregCr | 4:f0ce52e94d3f | 967 | Write( REG_OPMODE, ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_OFF ); |
GregCr | 4:f0ce52e94d3f | 968 | |
GregCr | 4:f0ce52e94d3f | 969 | Write( REG_DIOMAPPING1, 0x00 ); |
GregCr | 4:f0ce52e94d3f | 970 | Write( REG_DIOMAPPING2, 0x30 ); // DIO5=ModeReady |
GregCr | 4:f0ce52e94d3f | 971 | break; |
GregCr | 4:f0ce52e94d3f | 972 | case MODEM_LORA: |
GregCr | 4:f0ce52e94d3f | 973 | SetOpMode( RF_OPMODE_SLEEP ); |
GregCr | 4:f0ce52e94d3f | 974 | Write( REG_OPMODE, ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_ON ); |
GregCr | 4:f0ce52e94d3f | 975 | |
GregCr | 4:f0ce52e94d3f | 976 | Write( REG_DIOMAPPING1, 0x00 ); |
GregCr | 4:f0ce52e94d3f | 977 | Write( REG_DIOMAPPING2, 0x00 ); |
GregCr | 4:f0ce52e94d3f | 978 | break; |
GregCr | 4:f0ce52e94d3f | 979 | } |
GregCr | 0:e6ceb13d2d05 | 980 | } |
GregCr | 0:e6ceb13d2d05 | 981 | } |
GregCr | 0:e6ceb13d2d05 | 982 | |
GregCr | 0:e6ceb13d2d05 | 983 | void SX1276::OnTimeoutIrq( void ) |
GregCr | 0:e6ceb13d2d05 | 984 | { |
GregCr | 0:e6ceb13d2d05 | 985 | switch( this->settings.State ) |
GregCr | 0:e6ceb13d2d05 | 986 | { |
GregCr | 0:e6ceb13d2d05 | 987 | case RX: |
GregCr | 0:e6ceb13d2d05 | 988 | if( this->settings.Modem == MODEM_FSK ) |
GregCr | 0:e6ceb13d2d05 | 989 | { |
GregCr | 0:e6ceb13d2d05 | 990 | this->settings.FskPacketHandler.PreambleDetected = false; |
GregCr | 0:e6ceb13d2d05 | 991 | this->settings.FskPacketHandler.SyncWordDetected = false; |
GregCr | 0:e6ceb13d2d05 | 992 | this->settings.FskPacketHandler.NbBytes = 0; |
GregCr | 0:e6ceb13d2d05 | 993 | this->settings.FskPacketHandler.Size = 0; |
GregCr | 0:e6ceb13d2d05 | 994 | |
GregCr | 0:e6ceb13d2d05 | 995 | // Clear Irqs |
GregCr | 0:e6ceb13d2d05 | 996 | Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI | |
GregCr | 0:e6ceb13d2d05 | 997 | RF_IRQFLAGS1_PREAMBLEDETECT | |
GregCr | 0:e6ceb13d2d05 | 998 | RF_IRQFLAGS1_SYNCADDRESSMATCH ); |
GregCr | 0:e6ceb13d2d05 | 999 | Write( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN ); |
GregCr | 0:e6ceb13d2d05 | 1000 | |
GregCr | 0:e6ceb13d2d05 | 1001 | if( this->settings.Fsk.RxContinuous == true ) |
GregCr | 0:e6ceb13d2d05 | 1002 | { |
GregCr | 0:e6ceb13d2d05 | 1003 | // Continuous mode restart Rx chain |
GregCr | 0:e6ceb13d2d05 | 1004 | Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); |
GregCr | 0:e6ceb13d2d05 | 1005 | } |
GregCr | 0:e6ceb13d2d05 | 1006 | else |
GregCr | 0:e6ceb13d2d05 | 1007 | { |
GregCr | 5:11ec8a6ba4f0 | 1008 | this->settings.State = IDLE; |
GregCr | 5:11ec8a6ba4f0 | 1009 | rxTimeoutSyncWord.detach( ); |
GregCr | 0:e6ceb13d2d05 | 1010 | } |
GregCr | 0:e6ceb13d2d05 | 1011 | } |
GregCr | 0:e6ceb13d2d05 | 1012 | if( ( rxTimeout != NULL ) ) |
GregCr | 0:e6ceb13d2d05 | 1013 | { |
GregCr | 0:e6ceb13d2d05 | 1014 | rxTimeout( ); |
GregCr | 0:e6ceb13d2d05 | 1015 | } |
GregCr | 0:e6ceb13d2d05 | 1016 | break; |
GregCr | 0:e6ceb13d2d05 | 1017 | case TX: |
GregCr | 5:11ec8a6ba4f0 | 1018 | this->settings.State = IDLE; |
GregCr | 0:e6ceb13d2d05 | 1019 | if( ( txTimeout != NULL ) ) |
GregCr | 0:e6ceb13d2d05 | 1020 | { |
GregCr | 0:e6ceb13d2d05 | 1021 | txTimeout( ); |
GregCr | 0:e6ceb13d2d05 | 1022 | } |
GregCr | 0:e6ceb13d2d05 | 1023 | break; |
GregCr | 0:e6ceb13d2d05 | 1024 | default: |
GregCr | 0:e6ceb13d2d05 | 1025 | break; |
GregCr | 0:e6ceb13d2d05 | 1026 | } |
GregCr | 0:e6ceb13d2d05 | 1027 | } |
GregCr | 0:e6ceb13d2d05 | 1028 | |
GregCr | 0:e6ceb13d2d05 | 1029 | void SX1276::OnDio0Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1030 | { |
GregCr | 0:e6ceb13d2d05 | 1031 | __IO uint8_t irqFlags = 0; |
GregCr | 0:e6ceb13d2d05 | 1032 | |
GregCr | 0:e6ceb13d2d05 | 1033 | switch( this->settings.State ) |
GregCr | 0:e6ceb13d2d05 | 1034 | { |
GregCr | 0:e6ceb13d2d05 | 1035 | case RX: |
GregCr | 0:e6ceb13d2d05 | 1036 | //TimerStop( &RxTimeoutTimer ); |
GregCr | 0:e6ceb13d2d05 | 1037 | // RxDone interrupt |
GregCr | 0:e6ceb13d2d05 | 1038 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1039 | { |
GregCr | 0:e6ceb13d2d05 | 1040 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1041 | irqFlags = Read( REG_IRQFLAGS2 ); |
GregCr | 0:e6ceb13d2d05 | 1042 | if( ( irqFlags & RF_IRQFLAGS2_CRCOK ) != RF_IRQFLAGS2_CRCOK ) |
GregCr | 0:e6ceb13d2d05 | 1043 | { |
GregCr | 0:e6ceb13d2d05 | 1044 | // Clear Irqs |
GregCr | 0:e6ceb13d2d05 | 1045 | Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI | |
GregCr | 0:e6ceb13d2d05 | 1046 | RF_IRQFLAGS1_PREAMBLEDETECT | |
GregCr | 0:e6ceb13d2d05 | 1047 | RF_IRQFLAGS1_SYNCADDRESSMATCH ); |
GregCr | 0:e6ceb13d2d05 | 1048 | Write( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN ); |
GregCr | 0:e6ceb13d2d05 | 1049 | |
GregCr | 0:e6ceb13d2d05 | 1050 | if( this->settings.Fsk.RxContinuous == false ) |
GregCr | 0:e6ceb13d2d05 | 1051 | { |
GregCr | 0:e6ceb13d2d05 | 1052 | this->settings.State = IDLE; |
GregCr | 0:e6ceb13d2d05 | 1053 | rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen + |
GregCr | 0:e6ceb13d2d05 | 1054 | ( ( Read( REG_SYNCCONFIG ) & |
GregCr | 0:e6ceb13d2d05 | 1055 | ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + |
GregCr | 0:e6ceb13d2d05 | 1056 | 1.0 ) + 1.0 ) / |
GregCr | 0:e6ceb13d2d05 | 1057 | ( double )this->settings.Fsk.Datarate ) * 1e6 ) ; |
GregCr | 0:e6ceb13d2d05 | 1058 | } |
GregCr | 0:e6ceb13d2d05 | 1059 | else |
GregCr | 0:e6ceb13d2d05 | 1060 | { |
GregCr | 0:e6ceb13d2d05 | 1061 | // Continuous mode restart Rx chain |
GregCr | 0:e6ceb13d2d05 | 1062 | Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); |
GregCr | 0:e6ceb13d2d05 | 1063 | } |
GregCr | 0:e6ceb13d2d05 | 1064 | rxTimeoutTimer.detach( ); |
GregCr | 0:e6ceb13d2d05 | 1065 | |
GregCr | 0:e6ceb13d2d05 | 1066 | if( ( rxError != NULL ) ) |
GregCr | 0:e6ceb13d2d05 | 1067 | { |
GregCr | 0:e6ceb13d2d05 | 1068 | rxError( ); |
GregCr | 0:e6ceb13d2d05 | 1069 | } |
GregCr | 0:e6ceb13d2d05 | 1070 | this->settings.FskPacketHandler.PreambleDetected = false; |
GregCr | 0:e6ceb13d2d05 | 1071 | this->settings.FskPacketHandler.SyncWordDetected = false; |
GregCr | 0:e6ceb13d2d05 | 1072 | this->settings.FskPacketHandler.NbBytes = 0; |
GregCr | 0:e6ceb13d2d05 | 1073 | this->settings.FskPacketHandler.Size = 0; |
GregCr | 0:e6ceb13d2d05 | 1074 | break; |
GregCr | 0:e6ceb13d2d05 | 1075 | } |
GregCr | 0:e6ceb13d2d05 | 1076 | |
GregCr | 0:e6ceb13d2d05 | 1077 | // Read received packet size |
GregCr | 0:e6ceb13d2d05 | 1078 | if( ( this->settings.FskPacketHandler.Size == 0 ) && ( this->settings.FskPacketHandler.NbBytes == 0 ) ) |
GregCr | 0:e6ceb13d2d05 | 1079 | { |
GregCr | 0:e6ceb13d2d05 | 1080 | if( this->settings.Fsk.FixLen == false ) |
GregCr | 0:e6ceb13d2d05 | 1081 | { |
GregCr | 0:e6ceb13d2d05 | 1082 | ReadFifo( ( uint8_t* )&this->settings.FskPacketHandler.Size, 1 ); |
GregCr | 0:e6ceb13d2d05 | 1083 | } |
GregCr | 0:e6ceb13d2d05 | 1084 | else |
GregCr | 0:e6ceb13d2d05 | 1085 | { |
GregCr | 0:e6ceb13d2d05 | 1086 | this->settings.FskPacketHandler.Size = Read( REG_PAYLOADLENGTH ); |
GregCr | 0:e6ceb13d2d05 | 1087 | } |
GregCr | 0:e6ceb13d2d05 | 1088 | ReadFifo( rxBuffer + this->settings.FskPacketHandler.NbBytes, this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1089 | this->settings.FskPacketHandler.NbBytes += ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1090 | } |
GregCr | 0:e6ceb13d2d05 | 1091 | else |
GregCr | 0:e6ceb13d2d05 | 1092 | { |
GregCr | 0:e6ceb13d2d05 | 1093 | ReadFifo( rxBuffer + this->settings.FskPacketHandler.NbBytes, this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1094 | this->settings.FskPacketHandler.NbBytes += ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1095 | } |
GregCr | 0:e6ceb13d2d05 | 1096 | |
GregCr | 0:e6ceb13d2d05 | 1097 | if( this->settings.Fsk.RxContinuous == false ) |
GregCr | 0:e6ceb13d2d05 | 1098 | { |
GregCr | 0:e6ceb13d2d05 | 1099 | this->settings.State = IDLE; |
GregCr | 0:e6ceb13d2d05 | 1100 | rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen + |
GregCr | 0:e6ceb13d2d05 | 1101 | ( ( Read( REG_SYNCCONFIG ) & |
GregCr | 0:e6ceb13d2d05 | 1102 | ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + |
GregCr | 0:e6ceb13d2d05 | 1103 | 1.0 ) + 1.0 ) / |
GregCr | 0:e6ceb13d2d05 | 1104 | ( double )this->settings.Fsk.Datarate ) * 1e6 ) ; |
GregCr | 0:e6ceb13d2d05 | 1105 | } |
GregCr | 0:e6ceb13d2d05 | 1106 | else |
GregCr | 0:e6ceb13d2d05 | 1107 | { |
GregCr | 0:e6ceb13d2d05 | 1108 | // Continuous mode restart Rx chain |
GregCr | 0:e6ceb13d2d05 | 1109 | Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); |
GregCr | 0:e6ceb13d2d05 | 1110 | } |
GregCr | 0:e6ceb13d2d05 | 1111 | rxTimeoutTimer.detach( ); |
GregCr | 0:e6ceb13d2d05 | 1112 | |
GregCr | 0:e6ceb13d2d05 | 1113 | if( (rxDone != NULL ) ) |
GregCr | 0:e6ceb13d2d05 | 1114 | { |
GregCr | 0:e6ceb13d2d05 | 1115 | rxDone( rxBuffer, this->settings.FskPacketHandler.Size, this->settings.FskPacketHandler.RssiValue, 0 ); |
GregCr | 0:e6ceb13d2d05 | 1116 | } |
GregCr | 0:e6ceb13d2d05 | 1117 | this->settings.FskPacketHandler.PreambleDetected = false; |
GregCr | 0:e6ceb13d2d05 | 1118 | this->settings.FskPacketHandler.SyncWordDetected = false; |
GregCr | 0:e6ceb13d2d05 | 1119 | this->settings.FskPacketHandler.NbBytes = 0; |
GregCr | 0:e6ceb13d2d05 | 1120 | this->settings.FskPacketHandler.Size = 0; |
GregCr | 0:e6ceb13d2d05 | 1121 | break; |
GregCr | 0:e6ceb13d2d05 | 1122 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1123 | { |
GregCr | 0:e6ceb13d2d05 | 1124 | uint8_t snr = 0; |
GregCr | 0:e6ceb13d2d05 | 1125 | |
GregCr | 0:e6ceb13d2d05 | 1126 | // Clear Irq |
GregCr | 0:e6ceb13d2d05 | 1127 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_RXDONE ); |
GregCr | 0:e6ceb13d2d05 | 1128 | |
GregCr | 0:e6ceb13d2d05 | 1129 | irqFlags = Read( REG_LR_IRQFLAGS ); |
GregCr | 0:e6ceb13d2d05 | 1130 | if( ( irqFlags & RFLR_IRQFLAGS_PAYLOADCRCERROR_MASK ) == RFLR_IRQFLAGS_PAYLOADCRCERROR ) |
GregCr | 0:e6ceb13d2d05 | 1131 | { |
GregCr | 0:e6ceb13d2d05 | 1132 | // Clear Irq |
GregCr | 0:e6ceb13d2d05 | 1133 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_PAYLOADCRCERROR ); |
GregCr | 0:e6ceb13d2d05 | 1134 | |
GregCr | 0:e6ceb13d2d05 | 1135 | if( this->settings.LoRa.RxContinuous == false ) |
GregCr | 0:e6ceb13d2d05 | 1136 | { |
GregCr | 0:e6ceb13d2d05 | 1137 | this->settings.State = IDLE; |
GregCr | 0:e6ceb13d2d05 | 1138 | } |
GregCr | 0:e6ceb13d2d05 | 1139 | rxTimeoutTimer.detach( ); |
GregCr | 0:e6ceb13d2d05 | 1140 | |
GregCr | 4:f0ce52e94d3f | 1141 | if( ( rxError != NULL ) ) |
GregCr | 0:e6ceb13d2d05 | 1142 | { |
GregCr | 0:e6ceb13d2d05 | 1143 | rxError( ); |
GregCr | 0:e6ceb13d2d05 | 1144 | } |
GregCr | 0:e6ceb13d2d05 | 1145 | break; |
GregCr | 0:e6ceb13d2d05 | 1146 | } |
GregCr | 0:e6ceb13d2d05 | 1147 | |
GregCr | 0:e6ceb13d2d05 | 1148 | this->settings.LoRaPacketHandler.SnrValue = Read( REG_LR_PKTSNRVALUE ); |
GregCr | 0:e6ceb13d2d05 | 1149 | if( this->settings.LoRaPacketHandler.SnrValue & 0x80 ) // The SNR sign bit is 1 |
GregCr | 0:e6ceb13d2d05 | 1150 | { |
GregCr | 0:e6ceb13d2d05 | 1151 | // Invert and divide by 4 |
GregCr | 0:e6ceb13d2d05 | 1152 | snr = ( ( ~this->settings.LoRaPacketHandler.SnrValue + 1 ) & 0xFF ) >> 2; |
GregCr | 0:e6ceb13d2d05 | 1153 | snr = -snr; |
GregCr | 0:e6ceb13d2d05 | 1154 | } |
GregCr | 0:e6ceb13d2d05 | 1155 | else |
GregCr | 0:e6ceb13d2d05 | 1156 | { |
GregCr | 0:e6ceb13d2d05 | 1157 | // Divide by 4 |
GregCr | 0:e6ceb13d2d05 | 1158 | snr = ( this->settings.LoRaPacketHandler.SnrValue & 0xFF ) >> 2; |
GregCr | 0:e6ceb13d2d05 | 1159 | } |
GregCr | 0:e6ceb13d2d05 | 1160 | |
GregCr | 7:2b555111463f | 1161 | int16_t rssi = Read( REG_LR_PKTRSSIVALUE ); |
GregCr | 0:e6ceb13d2d05 | 1162 | if( this->settings.LoRaPacketHandler.SnrValue < 0 ) |
GregCr | 0:e6ceb13d2d05 | 1163 | { |
GregCr | 0:e6ceb13d2d05 | 1164 | if( this->settings.Channel > RF_MID_BAND_THRESH ) |
GregCr | 0:e6ceb13d2d05 | 1165 | { |
GregCr | 0:e6ceb13d2d05 | 1166 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_HF + rssi + ( rssi >> 4 ) + |
GregCr | 0:e6ceb13d2d05 | 1167 | snr; |
GregCr | 0:e6ceb13d2d05 | 1168 | } |
GregCr | 0:e6ceb13d2d05 | 1169 | else |
GregCr | 0:e6ceb13d2d05 | 1170 | { |
GregCr | 0:e6ceb13d2d05 | 1171 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_LF + rssi + ( rssi >> 4 ) + |
GregCr | 0:e6ceb13d2d05 | 1172 | snr; |
GregCr | 0:e6ceb13d2d05 | 1173 | } |
GregCr | 0:e6ceb13d2d05 | 1174 | } |
GregCr | 0:e6ceb13d2d05 | 1175 | else |
GregCr | 0:e6ceb13d2d05 | 1176 | { |
GregCr | 0:e6ceb13d2d05 | 1177 | if( this->settings.Channel > RF_MID_BAND_THRESH ) |
GregCr | 0:e6ceb13d2d05 | 1178 | { |
GregCr | 0:e6ceb13d2d05 | 1179 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_HF + rssi + ( rssi >> 4 ); |
GregCr | 0:e6ceb13d2d05 | 1180 | } |
GregCr | 0:e6ceb13d2d05 | 1181 | else |
GregCr | 0:e6ceb13d2d05 | 1182 | { |
GregCr | 0:e6ceb13d2d05 | 1183 | this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_LF + rssi + ( rssi >> 4 ); |
GregCr | 0:e6ceb13d2d05 | 1184 | } |
GregCr | 0:e6ceb13d2d05 | 1185 | } |
GregCr | 0:e6ceb13d2d05 | 1186 | |
GregCr | 0:e6ceb13d2d05 | 1187 | this->settings.LoRaPacketHandler.Size = Read( REG_LR_RXNBBYTES ); |
GregCr | 0:e6ceb13d2d05 | 1188 | ReadFifo( rxBuffer, this->settings.LoRaPacketHandler.Size ); |
GregCr | 0:e6ceb13d2d05 | 1189 | |
GregCr | 0:e6ceb13d2d05 | 1190 | if( this->settings.LoRa.RxContinuous == false ) |
GregCr | 0:e6ceb13d2d05 | 1191 | { |
GregCr | 0:e6ceb13d2d05 | 1192 | this->settings.State = IDLE; |
GregCr | 0:e6ceb13d2d05 | 1193 | } |
GregCr | 0:e6ceb13d2d05 | 1194 | rxTimeoutTimer.detach( ); |
GregCr | 0:e6ceb13d2d05 | 1195 | |
GregCr | 0:e6ceb13d2d05 | 1196 | if( ( rxDone != NULL ) ) |
GregCr | 0:e6ceb13d2d05 | 1197 | { |
GregCr | 0:e6ceb13d2d05 | 1198 | rxDone( rxBuffer, this->settings.LoRaPacketHandler.Size, this->settings.LoRaPacketHandler.RssiValue, this->settings.LoRaPacketHandler.SnrValue ); |
GregCr | 0:e6ceb13d2d05 | 1199 | } |
GregCr | 0:e6ceb13d2d05 | 1200 | } |
GregCr | 0:e6ceb13d2d05 | 1201 | break; |
GregCr | 0:e6ceb13d2d05 | 1202 | default: |
GregCr | 0:e6ceb13d2d05 | 1203 | break; |
GregCr | 0:e6ceb13d2d05 | 1204 | } |
GregCr | 0:e6ceb13d2d05 | 1205 | break; |
GregCr | 0:e6ceb13d2d05 | 1206 | case TX: |
GregCr | 0:e6ceb13d2d05 | 1207 | txTimeoutTimer.detach( ); |
GregCr | 0:e6ceb13d2d05 | 1208 | // TxDone interrupt |
GregCr | 0:e6ceb13d2d05 | 1209 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1210 | { |
GregCr | 0:e6ceb13d2d05 | 1211 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1212 | // Clear Irq |
GregCr | 0:e6ceb13d2d05 | 1213 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_TXDONE ); |
GregCr | 0:e6ceb13d2d05 | 1214 | // Intentional fall through |
GregCr | 0:e6ceb13d2d05 | 1215 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1216 | default: |
GregCr | 0:e6ceb13d2d05 | 1217 | this->settings.State = IDLE; |
GregCr | 0:e6ceb13d2d05 | 1218 | if( ( txDone != NULL ) ) |
GregCr | 0:e6ceb13d2d05 | 1219 | { |
GregCr | 0:e6ceb13d2d05 | 1220 | txDone( ); |
GregCr | 0:e6ceb13d2d05 | 1221 | } |
GregCr | 0:e6ceb13d2d05 | 1222 | break; |
GregCr | 0:e6ceb13d2d05 | 1223 | } |
GregCr | 0:e6ceb13d2d05 | 1224 | break; |
GregCr | 0:e6ceb13d2d05 | 1225 | default: |
GregCr | 0:e6ceb13d2d05 | 1226 | break; |
GregCr | 0:e6ceb13d2d05 | 1227 | } |
GregCr | 0:e6ceb13d2d05 | 1228 | } |
GregCr | 0:e6ceb13d2d05 | 1229 | |
GregCr | 0:e6ceb13d2d05 | 1230 | void SX1276::OnDio1Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1231 | { |
GregCr | 0:e6ceb13d2d05 | 1232 | switch( this->settings.State ) |
GregCr | 0:e6ceb13d2d05 | 1233 | { |
GregCr | 0:e6ceb13d2d05 | 1234 | case RX: |
GregCr | 0:e6ceb13d2d05 | 1235 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1236 | { |
GregCr | 0:e6ceb13d2d05 | 1237 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1238 | // FifoLevel interrupt |
GregCr | 0:e6ceb13d2d05 | 1239 | // Read received packet size |
GregCr | 0:e6ceb13d2d05 | 1240 | if( ( this->settings.FskPacketHandler.Size == 0 ) && ( this->settings.FskPacketHandler.NbBytes == 0 ) ) |
GregCr | 0:e6ceb13d2d05 | 1241 | { |
GregCr | 0:e6ceb13d2d05 | 1242 | if( this->settings.Fsk.FixLen == false ) |
GregCr | 0:e6ceb13d2d05 | 1243 | { |
GregCr | 0:e6ceb13d2d05 | 1244 | ReadFifo( ( uint8_t* )&this->settings.FskPacketHandler.Size, 1 ); |
GregCr | 0:e6ceb13d2d05 | 1245 | } |
GregCr | 0:e6ceb13d2d05 | 1246 | else |
GregCr | 0:e6ceb13d2d05 | 1247 | { |
GregCr | 0:e6ceb13d2d05 | 1248 | this->settings.FskPacketHandler.Size = Read( REG_PAYLOADLENGTH ); |
GregCr | 0:e6ceb13d2d05 | 1249 | } |
GregCr | 0:e6ceb13d2d05 | 1250 | } |
GregCr | 0:e6ceb13d2d05 | 1251 | |
GregCr | 0:e6ceb13d2d05 | 1252 | if( ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ) > this->settings.FskPacketHandler.FifoThresh ) |
GregCr | 0:e6ceb13d2d05 | 1253 | { |
GregCr | 0:e6ceb13d2d05 | 1254 | ReadFifo( ( rxBuffer + this->settings.FskPacketHandler.NbBytes ), this->settings.FskPacketHandler.FifoThresh ); |
GregCr | 0:e6ceb13d2d05 | 1255 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.FifoThresh; |
GregCr | 0:e6ceb13d2d05 | 1256 | } |
GregCr | 0:e6ceb13d2d05 | 1257 | else |
GregCr | 0:e6ceb13d2d05 | 1258 | { |
GregCr | 0:e6ceb13d2d05 | 1259 | ReadFifo( ( rxBuffer + this->settings.FskPacketHandler.NbBytes ), this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1260 | this->settings.FskPacketHandler.NbBytes += ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1261 | } |
GregCr | 0:e6ceb13d2d05 | 1262 | break; |
GregCr | 0:e6ceb13d2d05 | 1263 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1264 | // Sync time out |
GregCr | 0:e6ceb13d2d05 | 1265 | rxTimeoutTimer.detach( ); |
GregCr | 0:e6ceb13d2d05 | 1266 | this->settings.State = IDLE; |
GregCr | 0:e6ceb13d2d05 | 1267 | if( ( rxTimeout != NULL ) ) |
GregCr | 0:e6ceb13d2d05 | 1268 | { |
GregCr | 0:e6ceb13d2d05 | 1269 | rxTimeout( ); |
GregCr | 0:e6ceb13d2d05 | 1270 | } |
GregCr | 0:e6ceb13d2d05 | 1271 | break; |
GregCr | 0:e6ceb13d2d05 | 1272 | default: |
GregCr | 0:e6ceb13d2d05 | 1273 | break; |
GregCr | 0:e6ceb13d2d05 | 1274 | } |
GregCr | 0:e6ceb13d2d05 | 1275 | break; |
GregCr | 0:e6ceb13d2d05 | 1276 | case TX: |
GregCr | 0:e6ceb13d2d05 | 1277 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1278 | { |
GregCr | 0:e6ceb13d2d05 | 1279 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1280 | // FifoLevel interrupt |
GregCr | 0:e6ceb13d2d05 | 1281 | if( ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ) > this->settings.FskPacketHandler.ChunkSize ) |
GregCr | 0:e6ceb13d2d05 | 1282 | { |
GregCr | 0:e6ceb13d2d05 | 1283 | WriteFifo( ( rxBuffer + this->settings.FskPacketHandler.NbBytes ), this->settings.FskPacketHandler.ChunkSize ); |
GregCr | 0:e6ceb13d2d05 | 1284 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.ChunkSize; |
GregCr | 0:e6ceb13d2d05 | 1285 | } |
GregCr | 0:e6ceb13d2d05 | 1286 | else |
GregCr | 0:e6ceb13d2d05 | 1287 | { |
GregCr | 0:e6ceb13d2d05 | 1288 | // Write the last chunk of data |
GregCr | 0:e6ceb13d2d05 | 1289 | WriteFifo( rxBuffer + this->settings.FskPacketHandler.NbBytes, this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ); |
GregCr | 0:e6ceb13d2d05 | 1290 | this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes; |
GregCr | 0:e6ceb13d2d05 | 1291 | } |
GregCr | 0:e6ceb13d2d05 | 1292 | break; |
GregCr | 0:e6ceb13d2d05 | 1293 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1294 | break; |
GregCr | 0:e6ceb13d2d05 | 1295 | default: |
GregCr | 0:e6ceb13d2d05 | 1296 | break; |
GregCr | 0:e6ceb13d2d05 | 1297 | } |
GregCr | 0:e6ceb13d2d05 | 1298 | break; |
GregCr | 0:e6ceb13d2d05 | 1299 | default: |
GregCr | 0:e6ceb13d2d05 | 1300 | break; |
GregCr | 0:e6ceb13d2d05 | 1301 | } |
GregCr | 0:e6ceb13d2d05 | 1302 | } |
GregCr | 0:e6ceb13d2d05 | 1303 | |
GregCr | 0:e6ceb13d2d05 | 1304 | void SX1276::OnDio2Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1305 | { |
GregCr | 0:e6ceb13d2d05 | 1306 | switch( this->settings.State ) |
GregCr | 0:e6ceb13d2d05 | 1307 | { |
GregCr | 0:e6ceb13d2d05 | 1308 | case RX: |
GregCr | 0:e6ceb13d2d05 | 1309 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1310 | { |
GregCr | 0:e6ceb13d2d05 | 1311 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1312 | if( ( this->settings.FskPacketHandler.PreambleDetected == true ) && ( this->settings.FskPacketHandler.SyncWordDetected == false ) ) |
GregCr | 0:e6ceb13d2d05 | 1313 | { |
GregCr | 0:e6ceb13d2d05 | 1314 | rxTimeoutSyncWord.detach( ); |
GregCr | 0:e6ceb13d2d05 | 1315 | |
GregCr | 0:e6ceb13d2d05 | 1316 | this->settings.FskPacketHandler.SyncWordDetected = true; |
GregCr | 0:e6ceb13d2d05 | 1317 | |
GregCr | 0:e6ceb13d2d05 | 1318 | this->settings.FskPacketHandler.RssiValue = -( Read( REG_RSSIVALUE ) >> 1 ); |
GregCr | 0:e6ceb13d2d05 | 1319 | |
GregCr | 0:e6ceb13d2d05 | 1320 | this->settings.FskPacketHandler.AfcValue = ( int32_t )( double )( ( ( uint16_t )Read( REG_AFCMSB ) << 8 ) | |
GregCr | 0:e6ceb13d2d05 | 1321 | ( uint16_t )Read( REG_AFCLSB ) ) * |
GregCr | 0:e6ceb13d2d05 | 1322 | ( double )FREQ_STEP; |
GregCr | 0:e6ceb13d2d05 | 1323 | this->settings.FskPacketHandler.RxGain = ( Read( REG_LNA ) >> 5 ) & 0x07; |
GregCr | 0:e6ceb13d2d05 | 1324 | } |
GregCr | 0:e6ceb13d2d05 | 1325 | break; |
GregCr | 0:e6ceb13d2d05 | 1326 | case MODEM_LORA: |
GregCr | 6:e7f02929cd3d | 1327 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 1328 | { |
GregCr | 6:e7f02929cd3d | 1329 | // Clear Irq |
GregCr | 6:e7f02929cd3d | 1330 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL ); |
GregCr | 6:e7f02929cd3d | 1331 | |
GregCr | 6:e7f02929cd3d | 1332 | if( ( fhssChangeChannel != NULL ) ) |
GregCr | 6:e7f02929cd3d | 1333 | { |
GregCr | 6:e7f02929cd3d | 1334 | fhssChangeChannel( ( Read( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ) ); |
GregCr | 6:e7f02929cd3d | 1335 | } |
GregCr | 6:e7f02929cd3d | 1336 | } |
GregCr | 0:e6ceb13d2d05 | 1337 | break; |
GregCr | 0:e6ceb13d2d05 | 1338 | default: |
GregCr | 0:e6ceb13d2d05 | 1339 | break; |
GregCr | 0:e6ceb13d2d05 | 1340 | } |
GregCr | 0:e6ceb13d2d05 | 1341 | break; |
GregCr | 0:e6ceb13d2d05 | 1342 | case TX: |
GregCr | 0:e6ceb13d2d05 | 1343 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1344 | { |
GregCr | 0:e6ceb13d2d05 | 1345 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1346 | break; |
GregCr | 0:e6ceb13d2d05 | 1347 | case MODEM_LORA: |
GregCr | 6:e7f02929cd3d | 1348 | if( this->settings.LoRa.FreqHopOn == true ) |
GregCr | 6:e7f02929cd3d | 1349 | { |
GregCr | 6:e7f02929cd3d | 1350 | // Clear Irq |
GregCr | 6:e7f02929cd3d | 1351 | Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL ); |
GregCr | 6:e7f02929cd3d | 1352 | |
GregCr | 6:e7f02929cd3d | 1353 | if( ( fhssChangeChannel != NULL ) ) |
GregCr | 6:e7f02929cd3d | 1354 | { |
GregCr | 6:e7f02929cd3d | 1355 | fhssChangeChannel( ( Read( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ) ); |
GregCr | 6:e7f02929cd3d | 1356 | } |
GregCr | 6:e7f02929cd3d | 1357 | } |
GregCr | 0:e6ceb13d2d05 | 1358 | break; |
GregCr | 0:e6ceb13d2d05 | 1359 | default: |
GregCr | 0:e6ceb13d2d05 | 1360 | break; |
GregCr | 0:e6ceb13d2d05 | 1361 | } |
GregCr | 0:e6ceb13d2d05 | 1362 | break; |
GregCr | 0:e6ceb13d2d05 | 1363 | default: |
GregCr | 0:e6ceb13d2d05 | 1364 | break; |
GregCr | 0:e6ceb13d2d05 | 1365 | } |
GregCr | 0:e6ceb13d2d05 | 1366 | } |
GregCr | 0:e6ceb13d2d05 | 1367 | |
GregCr | 0:e6ceb13d2d05 | 1368 | void SX1276::OnDio3Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1369 | { |
GregCr | 0:e6ceb13d2d05 | 1370 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1371 | { |
GregCr | 0:e6ceb13d2d05 | 1372 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1373 | break; |
GregCr | 0:e6ceb13d2d05 | 1374 | case MODEM_LORA: |
GregCr | 7:2b555111463f | 1375 | if( ( cadDone != NULL ) ) |
GregCr | 7:2b555111463f | 1376 | { |
GregCr | 7:2b555111463f | 1377 | cadDone( ); |
GregCr | 7:2b555111463f | 1378 | } |
GregCr | 0:e6ceb13d2d05 | 1379 | break; |
GregCr | 0:e6ceb13d2d05 | 1380 | default: |
GregCr | 0:e6ceb13d2d05 | 1381 | break; |
GregCr | 0:e6ceb13d2d05 | 1382 | } |
GregCr | 0:e6ceb13d2d05 | 1383 | } |
GregCr | 0:e6ceb13d2d05 | 1384 | |
GregCr | 0:e6ceb13d2d05 | 1385 | void SX1276::OnDio4Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1386 | { |
GregCr | 0:e6ceb13d2d05 | 1387 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1388 | { |
GregCr | 0:e6ceb13d2d05 | 1389 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1390 | { |
GregCr | 0:e6ceb13d2d05 | 1391 | if( this->settings.FskPacketHandler.PreambleDetected == false ) |
GregCr | 0:e6ceb13d2d05 | 1392 | { |
GregCr | 0:e6ceb13d2d05 | 1393 | this->settings.FskPacketHandler.PreambleDetected = true; |
GregCr | 0:e6ceb13d2d05 | 1394 | } |
GregCr | 0:e6ceb13d2d05 | 1395 | } |
GregCr | 0:e6ceb13d2d05 | 1396 | break; |
GregCr | 0:e6ceb13d2d05 | 1397 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1398 | break; |
GregCr | 0:e6ceb13d2d05 | 1399 | default: |
GregCr | 0:e6ceb13d2d05 | 1400 | break; |
GregCr | 0:e6ceb13d2d05 | 1401 | } |
GregCr | 0:e6ceb13d2d05 | 1402 | } |
GregCr | 0:e6ceb13d2d05 | 1403 | |
GregCr | 0:e6ceb13d2d05 | 1404 | void SX1276::OnDio5Irq( void ) |
GregCr | 0:e6ceb13d2d05 | 1405 | { |
GregCr | 0:e6ceb13d2d05 | 1406 | switch( this->settings.Modem ) |
GregCr | 0:e6ceb13d2d05 | 1407 | { |
GregCr | 0:e6ceb13d2d05 | 1408 | case MODEM_FSK: |
GregCr | 0:e6ceb13d2d05 | 1409 | break; |
GregCr | 0:e6ceb13d2d05 | 1410 | case MODEM_LORA: |
GregCr | 0:e6ceb13d2d05 | 1411 | break; |
GregCr | 0:e6ceb13d2d05 | 1412 | default: |
GregCr | 0:e6ceb13d2d05 | 1413 | break; |
GregCr | 0:e6ceb13d2d05 | 1414 | } |
GregCr | 0:e6ceb13d2d05 | 1415 | } |