Driver for the SX1276 RF Transceiver
Dependents: LoRa_PIR LoRaWAN-lmic-app SX1276PingPong LoRaWAN-lmic-app ... more
Diff: sx1276/sx1276.cpp
- Revision:
- 18:99c6e44c1672
- Parent:
- 16:d447f8d2d2d6
- Child:
- 19:71a47bb03fbb
diff -r d447f8d2d2d6 -r 99c6e44c1672 sx1276/sx1276.cpp --- a/sx1276/sx1276.cpp Tue Mar 31 13:35:04 2015 +0000 +++ b/sx1276/sx1276.cpp Fri Jul 10 14:24:45 2015 +0000 @@ -1050,42 +1050,45 @@ switch( this->settings.Modem ) { case MODEM_FSK: - irqFlags = Read( REG_IRQFLAGS2 ); - if( ( irqFlags & RF_IRQFLAGS2_CRCOK ) != RF_IRQFLAGS2_CRCOK ) + if( this->settings.Fsk.CrcOn == true ) { - // Clear Irqs - Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI | - RF_IRQFLAGS1_PREAMBLEDETECT | - RF_IRQFLAGS1_SYNCADDRESSMATCH ); - Write( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN ); - - if( this->settings.Fsk.RxContinuous == false ) + irqFlags = Read( REG_IRQFLAGS2 ); + if( ( irqFlags & RF_IRQFLAGS2_CRCOK ) != RF_IRQFLAGS2_CRCOK ) { - this->settings.State = IDLE; - rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen + - ( ( Read( REG_SYNCCONFIG ) & - ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + - 1.0 ) + 1.0 ) / - ( double )this->settings.Fsk.Datarate ) * 1e6 ) ; + // Clear Irqs + Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI | + RF_IRQFLAGS1_PREAMBLEDETECT | + RF_IRQFLAGS1_SYNCADDRESSMATCH ); + Write( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN ); + + if( this->settings.Fsk.RxContinuous == false ) + { + this->settings.State = IDLE; + rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen + + ( ( Read( REG_SYNCCONFIG ) & + ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + + 1.0 ) + 1.0 ) / + ( double )this->settings.Fsk.Datarate ) * 1e6 ) ; + } + else + { + // Continuous mode restart Rx chain + Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); + } + rxTimeoutTimer.detach( ); + + if( ( rxError != NULL ) ) + { + rxError( ); + } + this->settings.FskPacketHandler.PreambleDetected = false; + this->settings.FskPacketHandler.SyncWordDetected = false; + this->settings.FskPacketHandler.NbBytes = 0; + this->settings.FskPacketHandler.Size = 0; + break; } - else - { - // Continuous mode restart Rx chain - Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK ); - } - rxTimeoutTimer.detach( ); - - if( ( rxError != NULL ) ) - { - rxError( ); - } - this->settings.FskPacketHandler.PreambleDetected = false; - this->settings.FskPacketHandler.SyncWordDetected = false; - this->settings.FskPacketHandler.NbBytes = 0; - this->settings.FskPacketHandler.Size = 0; - break; } - + // Read received packet size if( ( this->settings.FskPacketHandler.Size == 0 ) && ( this->settings.FskPacketHandler.NbBytes == 0 ) ) {