uint32_t SX1272FskGetBitrate( void )
{
SX1272ReadBuffer( REG_BITRATEMSB, &SX1272->RegBitrateMsb, 2 );
FskSettings.Bitrate = ( ( ( uint32_t )SX1272->RegBitrateMsb << 8 ) | ( ( uint32_t )SX1272->RegBitrateLsb ) );
FskSettings.Bitrate = ( uint16_t )( ( double )XTAL_FREQ / ( double )FskSettings.Bitrate );
return FskSettings.Bitrate;
}
uint32_t SX1272FskGetRFFrequency( void )
{
SX1272ReadBuffer( REG_FRFMSB, &SX1272->RegFrfMsb, 3 );
FskSettings.RFFrequency = ( ( uint32_t )SX1272->RegFrfMsb << 16 ) | ( ( uint32_t )SX1272->RegFrfMid << 8 ) | ( ( uint32_t )SX1272->RegFrfLsb );
FskSettings.RFFrequency = ( uint32_t )( ( double )FskSettings.RFFrequency * ( double )FREQ_STEP );
return FskSettings.RFFrequency;
}
uint32_t SX1272FskGetFdev( void )
{
SX1272ReadBuffer( REG_FDEVMSB, &SX1272->RegFdevMsb, 2 );
FskSettings.Fdev = ( ( ( uint32_t )SX1272->RegFdevMsb << 8 ) | ( ( uint32_t )SX1272->RegFdevLsb ) );
FskSettings.Fdev = ( uint16_t )( ( double )FskSettings.Fdev * ( double )FREQ_STEP );
return FskSettings.Fdev;
}
void SX1272SetLoRaOn( bool enable )
{
if( LoRaOnState == enable )
{
return;
}
LoRaOnState = enable;
LoRaOn = enable;
if( LoRaOn == true )
{
SX1272LoRaSetOpMode( RFLR_OPMODE_SLEEP );
SX1272LR->RegOpMode = ( SX1272LR->RegOpMode & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_ON;
SX1272Write( REG_LR_OPMODE, SX1272LR->RegOpMode );
SX1272LoRaSetOpMode( RFLR_OPMODE_STANDBY );
// RxDone RxTimeout FhssChangeChannel CadDone
SX1272LR->RegDioMapping1 = RFLR_DIOMAPPING1_DIO0_00 | RFLR_DIOMAPPING1_DIO1_00 | RFLR_DIOMAPPING1_DIO2_00 | RFLR_DIOMAPPING1_DIO3_00;
// CadDetected ModeReady
SX1272LR->RegDioMapping2 = RFLR_DIOMAPPING2_DIO4_00 | RFLR_DIOMAPPING2_DIO5_00;
SX1272WriteBuffer( REG_LR_DIOMAPPING1, &SX1272LR->RegDioMapping1, 2 );
SX1272ReadBuffer( REG_LR_OPMODE, SX1272Regs + 1, 0x70 - 1 );
}
else
{
SX1272LoRaSetOpMode( RFLR_OPMODE_SLEEP );
SX1272LR->RegOpMode = ( SX1272LR->RegOpMode & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_OFF;
SX1272Write( REG_LR_OPMODE, SX1272LR->RegOpMode );
SX1272LoRaSetOpMode( RFLR_OPMODE_STANDBY );
SX1272ReadBuffer( REG_OPMODE, SX1272Regs + 1, 0x70 - 1 );
}
}
void SX1272LoRaInit( void )
{
RFLRState = RFLR_STATE_IDLE;
SX1272LoRaSetDefaults( );
SX1272ReadBuffer( REG_LR_OPMODE, SX1272Regs + 1, 0x70 - 1 );
#if ( PLATFORM == SX12xxEiger )
SX1272LR->RegPaConfig = ( SX1272LR->RegPaConfig & RFLR_PACONFIG_PASELECT_PABOOST ) |
RFLR_PACONFIG_PASELECT_PABOOST;
#else
SX1272LR->RegPaConfig = ( SX1272LR->RegPaConfig & RFLR_PACONFIG_PASELECT_PABOOST ) |
RFLR_PACONFIG_PASELECT_RFO;
#endif
SX1272LR->RegLna = RFLR_LNA_GAIN_G1 | RFLR_LNA_BOOST_ON;
SX1272WriteBuffer( REG_LR_OPMODE, SX1272Regs + 1, 0x70 - 1 );
// set the RF settings
SX1272LoRaSetRFFrequency( LoRaSettings.RFFrequency );
#if ( PLATFORM == SX12xxEiger )
SX1272LoRaSetPa20dBm( true );
#else
SX1272LoRaSetPa20dBm( false );
#endif
SX1272LoRaSetRFPower( LoRaSettings.Power );
SX1272LoRaSetSpreadingFactor( LoRaSettings.SpreadingFactor ); // SF6 only operates in implicit header mode.
SX1272LoRaSetErrorCoding( LoRaSettings.ErrorCoding );
SX1272LoRaSetPacketCrcOn( LoRaSettings.CrcOn );
SX1272LoRaSetSignalBandwidth( LoRaSettings.SignalBw );
SX1272LoRaSetImplicitHeaderOn( LoRaSettings.ImplicitHeaderOn );
SX1272LoRaSetSymbTimeout( 0x3FF );
SX1272LoRaSetPayloadLength( LoRaSettings.PayloadLength );
SX1272LoRaSetLowDatarateOptimize( true );
SX1272LoRaSetOpMode( RFLR_OPMODE_STANDBY );
}
void SX1272ReadFifo( uint8_t *buffer, uint8_t size )
{
SX1272ReadBuffer( 0, buffer, size );
}
void SX1272Read( uint8_t addr, uint8_t *data )
{
SX1272ReadBuffer( addr, data, 1 );
}
