Helmut Tschemernjak
SX1276GenericLib to support sx1276 bassed LoRa modules, including HopeRF RFM95, Murata CMWX1ZZABZ and Semtech SX1276MB1MAS/SX1276MB1LAS modules
Dependents: DISCO-L072CZ-LRWAN1_LoRa_PingPong DISCO-L072CZ-LRWAN1_LoRa_PingPong DISCO-L072CZ-LRWAN1_LoRa_PingPong DISCO-L072CZ-LRWAN1_LoRa_USB_Rx ... more
Diff: sx1276/sx1276.cpp
- Revision:
- 22:7f3aab69cca9
- Parent:
- 21:2e496deb7858
- Child:
- 23:1e143575df0f
--- a/sx1276/sx1276.cpp Thu Nov 26 10:39:03 2015 +0000
+++ b/sx1276/sx1276.cpp Thu Nov 26 16:55:15 2015 +0000
@@ -4,7 +4,7 @@
\____ \| ___ | (_ _) ___ |/ ___) _ \
_____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
- ( C )2014 Semtech
+ (C) 2014 Semtech
Description: Actual implementation of a SX1276 radio, inherits Radio
@@ -81,40 +81,6 @@
this->RadioEvents = events;
}
-void SX1276::RxChainCalibration( void )
-{
- uint8_t regPaConfigInitVal;
- uint32_t initialFreq;
-
- // Save context
- regPaConfigInitVal = this->Read( REG_PACONFIG );
- initialFreq = ( double )( ( ( uint32_t )this->Read( REG_FRFMSB ) << 16 ) |
- ( ( uint32_t )this->Read( REG_FRFMID ) << 8 ) |
- ( ( uint32_t )this->Read( REG_FRFLSB ) ) ) * ( double )FREQ_STEP;
-
- // Cut the PA just in case, RFO output, power = -1 dBm
- this->Write( REG_PACONFIG, 0x00 );
-
- // Launch Rx chain calibration for LF band
- Write ( REG_IMAGECAL, ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_MASK ) | RF_IMAGECAL_IMAGECAL_START );
- while( ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_RUNNING ) == RF_IMAGECAL_IMAGECAL_RUNNING )
- {
- }
-
- // Sets a Frequency in HF band
- settings.Channel= 868000000 ;
-
- // Launch Rx chain calibration for HF band
- Write ( REG_IMAGECAL, ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_MASK ) | RF_IMAGECAL_IMAGECAL_START );
- while( ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_RUNNING ) == RF_IMAGECAL_IMAGECAL_RUNNING )
- {
- }
-
- // Restore context
- this->Write( REG_PACONFIG, regPaConfigInitVal );
- SetChannel( initialFreq );
-}
-
RadioState SX1276::GetStatus( void )
{
return this->settings.State;
@@ -129,7 +95,7 @@
Write( REG_FRFLSB, ( uint8_t )( freq & 0xFF ) );
}
-bool SX1276::IsChannelFree( ModemType modem, uint32_t freq, int8_t rssiThresh )
+bool SX1276::IsChannelFree( RadioModems_t modem, uint32_t freq, int16_t rssiThresh )
{
int16_t rssi = 0;
@@ -145,7 +111,7 @@
Sleep( );
- if( rssi > ( int16_t )rssiThresh )
+ if( rssi > rssiThresh )
{
return false;
}
@@ -189,6 +155,45 @@
}
/*!
+ * Performs the Rx chain calibration for LF and HF bands
+ * \remark Must be called just after the reset so all registers are at their
+ * default values
+ */
+void SX1276::RxChainCalibration( void )
+{
+ uint8_t regPaConfigInitVal;
+ uint32_t initialFreq;
+
+ // Save context
+ regPaConfigInitVal = this->Read( REG_PACONFIG );
+ initialFreq = ( double )( ( ( uint32_t )this->Read( REG_FRFMSB ) << 16 ) |
+ ( ( uint32_t )this->Read( REG_FRFMID ) << 8 ) |
+ ( ( uint32_t )this->Read( REG_FRFLSB ) ) ) * ( double )FREQ_STEP;
+
+ // Cut the PA just in case, RFO output, power = -1 dBm
+ this->Write( REG_PACONFIG, 0x00 );
+
+ // Launch Rx chain calibration for LF band
+ Write ( REG_IMAGECAL, ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_MASK ) | RF_IMAGECAL_IMAGECAL_START );
+ while( ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_RUNNING ) == RF_IMAGECAL_IMAGECAL_RUNNING )
+ {
+ }
+
+ // Sets a Frequency in HF band
+ SetChannel( 868000000 );
+
+ // Launch Rx chain calibration for HF band
+ Write ( REG_IMAGECAL, ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_MASK ) | RF_IMAGECAL_IMAGECAL_START );
+ while( ( Read( REG_IMAGECAL ) & RF_IMAGECAL_IMAGECAL_RUNNING ) == RF_IMAGECAL_IMAGECAL_RUNNING )
+ {
+ }
+
+ // Restore context
+ this->Write( REG_PACONFIG, regPaConfigInitVal );
+ SetChannel( initialFreq );
+}
+
+/*!
* Returns the known FSK bandwidth registers value
*
* \param [IN] bandwidth Bandwidth value in Hz
@@ -209,7 +214,7 @@
while( 1 );
}
-void SX1276::SetRxConfig( ModemType modem, uint32_t bandwidth,
+void SX1276::SetRxConfig( RadioModems_t modem, uint32_t bandwidth,
uint32_t datarate, uint8_t coderate,
uint32_t bandwidthAfc, uint16_t preambleLen,
uint16_t symbTimeout, bool fixLen,
@@ -242,6 +247,11 @@
Write( REG_PREAMBLEMSB, ( uint8_t )( ( preambleLen >> 8 ) & 0xFF ) );
Write( REG_PREAMBLELSB, ( uint8_t )( preambleLen & 0xFF ) );
+
+ if( fixLen == 1 )
+ {
+ Write( REG_PAYLOADLENGTH, payloadLen );
+ }
Write( REG_PACKETCONFIG1,
( Read( REG_PACKETCONFIG1 ) &
@@ -249,10 +259,6 @@
RF_PACKETCONFIG1_PACKETFORMAT_MASK ) |
( ( fixLen == 1 ) ? RF_PACKETCONFIG1_PACKETFORMAT_FIXED : RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE ) |
( crcOn << 4 ) );
- if( fixLen == 1 )
- {
- Write( REG_PAYLOADLENGTH, payloadLen );
- }
}
break;
case MODEM_LORA:
@@ -266,6 +272,7 @@
this->settings.LoRa.Bandwidth = bandwidth;
this->settings.LoRa.Datarate = datarate;
this->settings.LoRa.Coderate = coderate;
+ this->settings.LoRa.PreambleLen = preambleLen;
this->settings.LoRa.FixLen = fixLen;
this->settings.LoRa.PayloadLen = payloadLen;
this->settings.LoRa.CrcOn = crcOn;
@@ -273,7 +280,7 @@
this->settings.LoRa.HopPeriod = hopPeriod;
this->settings.LoRa.IqInverted = iqInverted;
this->settings.LoRa.RxContinuous = rxContinuous;
-
+
if( datarate > 12 )
{
datarate = 12;
@@ -330,6 +337,24 @@
Write( REG_LR_HOPPERIOD, this->settings.LoRa.HopPeriod );
}
+ if( ( bandwidth == 9 ) && ( RF_MID_BAND_THRESH ) )
+ {
+ // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth
+ Write( REG_LR_TEST36, 0x02 );
+ Write( REG_LR_TEST3A, 0x64 );
+ }
+ else if( bandwidth == 9 )
+ {
+ // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth
+ Write( REG_LR_TEST36, 0x02 );
+ Write( REG_LR_TEST3A, 0x7F );
+ }
+ else
+ {
+ // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth
+ Write( REG_LR_TEST36, 0x03 );
+ }
+
if( datarate == 6 )
{
Write( REG_LR_DETECTOPTIMIZE,
@@ -353,7 +378,7 @@
}
}
-void SX1276::SetTxConfig( ModemType modem, int8_t power, uint32_t fdev,
+void SX1276::SetTxConfig( RadioModems_t modem, int8_t power, uint32_t fdev,
uint32_t bandwidth, uint32_t datarate,
uint8_t coderate, uint16_t preambleLen,
bool fixLen, bool crcOn, bool freqHopOn,
@@ -451,6 +476,7 @@
RF_PACKETCONFIG1_PACKETFORMAT_MASK ) |
( ( fixLen == 1 ) ? RF_PACKETCONFIG1_PACKETFORMAT_FIXED : RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE ) |
( crcOn << 4 ) );
+
}
break;
case MODEM_LORA:
@@ -467,9 +493,9 @@
this->settings.LoRa.Coderate = coderate;
this->settings.LoRa.PreambleLen = preambleLen;
this->settings.LoRa.FixLen = fixLen;
- this->settings.LoRa.CrcOn = crcOn;
this->settings.LoRa.FreqHopOn = freqHopOn;
this->settings.LoRa.HopPeriod = hopPeriod;
+ this->settings.LoRa.CrcOn = crcOn;
this->settings.LoRa.IqInverted = iqInverted;
this->settings.LoRa.TxTimeout = timeout;
@@ -490,13 +516,13 @@
{
this->settings.LoRa.LowDatarateOptimize = 0x00;
}
-
+
if( this->settings.LoRa.FreqHopOn == true )
{
Write( REG_LR_PLLHOP, ( Read( REG_LR_PLLHOP ) & RFLR_PLLHOP_FASTHOP_MASK ) | RFLR_PLLHOP_FASTHOP_ON );
Write( REG_LR_HOPPERIOD, this->settings.LoRa.HopPeriod );
}
-
+
Write( REG_LR_MODEMCONFIG1,
( Read( REG_LR_MODEMCONFIG1 ) &
RFLR_MODEMCONFIG1_BW_MASK &
@@ -542,15 +568,15 @@
}
}
-double SX1276::TimeOnAir( ModemType modem, uint8_t pktLen )
+double SX1276::TimeOnAir( RadioModems_t modem, uint8_t pktLen )
{
- double airTime = 0.0;
+ uint32_t airTime = 0;
switch( modem )
{
case MODEM_FSK:
{
- airTime = ceil( ( 8 * ( this->settings.Fsk.PreambleLen +
+ airTime = rint( ( 8 * ( this->settings.Fsk.PreambleLen +
( ( Read( REG_SYNCCONFIG ) & ~RF_SYNCCONFIG_SYNCSIZE_MASK ) + 1 ) +
( ( this->settings.Fsk.FixLen == 0x01 ) ? 0.0 : 1.0 ) +
( ( ( Read( REG_PACKETCONFIG1 ) & ~RF_PACKETCONFIG1_ADDRSFILTERING_MASK ) != 0x00 ) ? 1.0 : 0 ) +
@@ -607,7 +633,7 @@
28 + 16 * this->settings.LoRa.CrcOn -
( this->settings.LoRa.FixLen ? 20 : 0 ) ) /
( double )( 4 * this->settings.LoRa.Datarate -
- ( ( this->settings.LoRa.LowDatarateOptimize > 0 ) ? 8 : 0 ) ) ) *
+ ( ( this->settings.LoRa.LowDatarateOptimize > 0 ) ? 2 : 0 ) ) ) *
( this->settings.LoRa.Coderate + 4 );
double nPayload = 8 + ( ( tmp > 0 ) ? tmp : 0 );
double tPayload = nPayload * ts;
@@ -625,8 +651,6 @@
{
uint32_t txTimeout = 0;
- this->settings.State = RF_IDLE;
-
switch( this->settings.Modem )
{
case MODEM_FSK:
@@ -663,10 +687,12 @@
if( this->settings.LoRa.IqInverted == true )
{
Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_ON ) );
+ Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_ON );
}
else
{
Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_OFF ) );
+ Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_OFF );
}
this->settings.LoRaPacketHandler.Size = size;
@@ -696,23 +722,26 @@
void SX1276::Sleep( void )
{
- // Initialize driver timeout timers
txTimeoutTimer.detach( );
rxTimeoutTimer.detach( );
+
SetOpMode( RF_OPMODE_SLEEP );
+ this->settings.State = RF_IDLE;
}
void SX1276::Standby( void )
{
txTimeoutTimer.detach( );
rxTimeoutTimer.detach( );
+
SetOpMode( RF_OPMODE_STANDBY );
+ this->settings.State = RF_IDLE;
}
void SX1276::Rx( uint32_t timeout )
{
bool rxContinuous = false;
-
+
switch( this->settings.Modem )
{
case MODEM_FSK:
@@ -725,7 +754,7 @@
// DIO3=FifoEmpty
// DIO4=Preamble
// DIO5=ModeReady
- Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK & RF_DIOMAPPING1_DIO1_MASK &
+ Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK &
RF_DIOMAPPING1_DIO2_MASK ) |
RF_DIOMAPPING1_DIO0_00 |
RF_DIOMAPPING1_DIO2_11 );
@@ -748,24 +777,74 @@
if( this->settings.LoRa.IqInverted == true )
{
Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_ON | RFLR_INVERTIQ_TX_OFF ) );
+ Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_ON );
}
else
{
Write( REG_LR_INVERTIQ, ( ( Read( REG_LR_INVERTIQ ) & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK ) | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_OFF ) );
+ Write( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_OFF );
}
+
+ // ERRATA 2.3 - Receiver Spurious Reception of a LoRa Signal
+ if( this->settings.LoRa.Bandwidth < 9 )
+ {
+ Write( REG_LR_DETECTOPTIMIZE, Read( REG_LR_DETECTOPTIMIZE ) & 0x7F );
+ Write( REG_LR_TEST30, 0x00 );
+ switch( this->settings.LoRa.Bandwidth )
+ {
+ case 0: // 7.8 kHz
+ Write( REG_LR_TEST2F, 0x48 );
+ SetChannel(this->settings.Channel + 7.81e3 );
+ break;
+ case 1: // 10.4 kHz
+ Write( REG_LR_TEST2F, 0x44 );
+ SetChannel(this->settings.Channel + 10.42e3 );
+ break;
+ case 2: // 15.6 kHz
+ Write( REG_LR_TEST2F, 0x44 );
+ SetChannel(this->settings.Channel + 15.62e3 );
+ break;
+ case 3: // 20.8 kHz
+ Write( REG_LR_TEST2F, 0x44 );
+ SetChannel(this->settings.Channel + 20.83e3 );
+ break;
+ case 4: // 31.2 kHz
+ Write( REG_LR_TEST2F, 0x44 );
+ SetChannel(this->settings.Channel + 31.25e3 );
+ break;
+ case 5: // 41.4 kHz
+ Write( REG_LR_TEST2F, 0x44 );
+ SetChannel(this->settings.Channel + 41.67e3 );
+ break;
+ case 6: // 62.5 kHz
+ Write( REG_LR_TEST2F, 0x40 );
+ break;
+ case 7: // 125 kHz
+ Write( REG_LR_TEST2F, 0x40 );
+ break;
+ case 8: // 250 kHz
+ Write( REG_LR_TEST2F, 0x40 );
+ break;
+ }
+ }
+ else
+ {
+ Write( REG_LR_DETECTOPTIMIZE, Read( REG_LR_DETECTOPTIMIZE ) | 0x80 );
+ }
+
rxContinuous = this->settings.LoRa.RxContinuous;
if( this->settings.LoRa.FreqHopOn == true )
{
Write( REG_LR_IRQFLAGSMASK, //RFLR_IRQFLAGS_RXTIMEOUT |
- //RFLR_IRQFLAGS_RXDONE |
- //RFLR_IRQFLAGS_PAYLOADCRCERROR |
- RFLR_IRQFLAGS_VALIDHEADER |
- RFLR_IRQFLAGS_TXDONE |
- RFLR_IRQFLAGS_CADDONE |
- //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
- RFLR_IRQFLAGS_CADDETECTED );
+ //RFLR_IRQFLAGS_RXDONE |
+ //RFLR_IRQFLAGS_PAYLOADCRCERROR |
+ RFLR_IRQFLAGS_VALIDHEADER |
+ RFLR_IRQFLAGS_TXDONE |
+ RFLR_IRQFLAGS_CADDONE |
+ //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
+ RFLR_IRQFLAGS_CADDETECTED );
// DIO0=RxDone, DIO2=FhssChangeChannel
Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK & RFLR_DIOMAPPING1_DIO2_MASK ) | RFLR_DIOMAPPING1_DIO0_00 | RFLR_DIOMAPPING1_DIO2_00 );
@@ -773,18 +852,17 @@
else
{
Write( REG_LR_IRQFLAGSMASK, //RFLR_IRQFLAGS_RXTIMEOUT |
- //RFLR_IRQFLAGS_RXDONE |
- //RFLR_IRQFLAGS_PAYLOADCRCERROR |
- RFLR_IRQFLAGS_VALIDHEADER |
- RFLR_IRQFLAGS_TXDONE |
- RFLR_IRQFLAGS_CADDONE |
- RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
- RFLR_IRQFLAGS_CADDETECTED );
+ //RFLR_IRQFLAGS_RXDONE |
+ //RFLR_IRQFLAGS_PAYLOADCRCERROR |
+ RFLR_IRQFLAGS_VALIDHEADER |
+ RFLR_IRQFLAGS_TXDONE |
+ RFLR_IRQFLAGS_CADDONE |
+ RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
+ RFLR_IRQFLAGS_CADDETECTED );
// DIO0=RxDone
Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_00 );
}
-
Write( REG_LR_FIFORXBASEADDR, 0 );
Write( REG_LR_FIFOADDRPTR, 0 );
}
@@ -808,8 +886,8 @@
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 ) ;
+ 1.0 ) + 10.0 ) /
+ ( double )this->settings.Fsk.Datarate ) * 1e6 );
}
}
else
@@ -826,7 +904,8 @@
}
void SX1276::Tx( uint32_t timeout )
-{
+{
+
switch( this->settings.Modem )
{
case MODEM_FSK:
@@ -837,7 +916,7 @@
// DIO3=FifoEmpty
// DIO4=LowBat
// DIO5=ModeReady
- Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK & RF_DIOMAPPING1_DIO1_MASK &
+ Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK &
RF_DIOMAPPING1_DIO2_MASK ) );
Write( REG_DIOMAPPING2, ( Read( REG_DIOMAPPING2 ) & RF_DIOMAPPING2_DIO4_MASK &
@@ -847,36 +926,33 @@
break;
case MODEM_LORA:
{
-
if( this->settings.LoRa.FreqHopOn == true )
{
Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT |
- RFLR_IRQFLAGS_RXDONE |
- RFLR_IRQFLAGS_PAYLOADCRCERROR |
- RFLR_IRQFLAGS_VALIDHEADER |
- //RFLR_IRQFLAGS_TXDONE |
- RFLR_IRQFLAGS_CADDONE |
- //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
- RFLR_IRQFLAGS_CADDETECTED );
+ RFLR_IRQFLAGS_RXDONE |
+ RFLR_IRQFLAGS_PAYLOADCRCERROR |
+ RFLR_IRQFLAGS_VALIDHEADER |
+ //RFLR_IRQFLAGS_TXDONE |
+ RFLR_IRQFLAGS_CADDONE |
+ //RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
+ RFLR_IRQFLAGS_CADDETECTED );
- // DIO0=TxDone
- Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_01 );
- // DIO2=FhssChangeChannel
- Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO2_MASK ) | RFLR_DIOMAPPING1_DIO2_00 );
+ // DIO0=TxDone, DIO2=FhssChangeChannel
+ Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK & RFLR_DIOMAPPING1_DIO2_MASK ) | RFLR_DIOMAPPING1_DIO0_01 | RFLR_DIOMAPPING1_DIO2_00 );
}
else
{
Write( REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT |
- RFLR_IRQFLAGS_RXDONE |
- RFLR_IRQFLAGS_PAYLOADCRCERROR |
- RFLR_IRQFLAGS_VALIDHEADER |
- //RFLR_IRQFLAGS_TXDONE |
- RFLR_IRQFLAGS_CADDONE |
- RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
- RFLR_IRQFLAGS_CADDETECTED );
-
+ RFLR_IRQFLAGS_RXDONE |
+ RFLR_IRQFLAGS_PAYLOADCRCERROR |
+ RFLR_IRQFLAGS_VALIDHEADER |
+ //RFLR_IRQFLAGS_TXDONE |
+ RFLR_IRQFLAGS_CADDONE |
+ RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
+ RFLR_IRQFLAGS_CADDETECTED );
+
// DIO0=TxDone
- Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_01 );
+ Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_01 );
}
}
break;
@@ -920,7 +996,7 @@
}
}
-int16_t SX1276::GetRssi( ModemType modem )
+int16_t SX1276::GetRssi( RadioModems_t modem )
{
int16_t rssi = 0;
@@ -971,34 +1047,35 @@
}
}
-void SX1276::SetModem( ModemType modem )
+void SX1276::SetModem( RadioModems_t modem )
{
- if( this->settings.Modem != modem )
+ if( this->settings.Modem == modem )
+ {
+ return;
+ }
+
+ this->settings.Modem = modem;
+ switch( this->settings.Modem )
{
- this->settings.Modem = modem;
- switch( this->settings.Modem )
- {
- default:
- case MODEM_FSK:
- SetOpMode( RF_OPMODE_SLEEP );
- Write( REG_OPMODE, ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_OFF );
-
- Write( REG_DIOMAPPING1, 0x00 );
- Write( REG_DIOMAPPING2, 0x30 ); // DIO5=ModeReady
- break;
- case MODEM_LORA:
- SetOpMode( RF_OPMODE_SLEEP );
- Write( REG_OPMODE, ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_ON );
- Write( 0x30, 0x00 ); // IF = 0
- Write( REG_LR_DETECTOPTIMIZE, ( Read( REG_LR_DETECTOPTIMIZE ) & 0x7F ) ); // Manual IF
- Write( REG_DIOMAPPING1, 0x00 );
- Write( REG_DIOMAPPING2, 0x00 );
- break;
- }
+ default:
+ case MODEM_FSK:
+ SetOpMode( RF_OPMODE_SLEEP );
+ Write( REG_OPMODE, ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_OFF );
+
+ Write( REG_DIOMAPPING1, 0x00 );
+ Write( REG_DIOMAPPING2, 0x30 ); // DIO5=ModeReady
+ break;
+ case MODEM_LORA:
+ SetOpMode( RF_OPMODE_SLEEP );
+ Write( REG_OPMODE, ( Read( REG_OPMODE ) & RFLR_OPMODE_LONGRANGEMODE_MASK ) | RFLR_OPMODE_LONGRANGEMODE_ON );
+
+ Write( REG_DIOMAPPING1, 0x00 );
+ Write( REG_DIOMAPPING2, 0x00 );
+ break;
}
}
-void SX1276::SetMaxPayloadLength( ModemType modem, uint8_t max )
+void SX1276::SetMaxPayloadLength( RadioModems_t modem, uint8_t max )
{
this->SetModem( modem );
@@ -1045,14 +1122,14 @@
rxTimeoutSyncWord.detach( );
}
}
- if( ( this->RadioEvents->RxTimeout != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxTimeout != NULL ) )
{
this->RadioEvents->RxTimeout( );
}
break;
case RF_TX_RUNNING:
this->settings.State = RF_IDLE;
- if( ( this->RadioEvents->TxTimeout != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->TxTimeout != NULL ) )
{
this->RadioEvents->TxTimeout( );
}
@@ -1065,7 +1142,7 @@
void SX1276::OnDio0Irq( void )
{
volatile uint8_t irqFlags = 0;
-
+
switch( this->settings.State )
{
case RF_RX_RUNNING:
@@ -1091,7 +1168,7 @@
rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen +
( ( Read( REG_SYNCCONFIG ) &
~RF_SYNCCONFIG_SYNCSIZE_MASK ) +
- 1.0 ) + 1.0 ) /
+ 1.0 ) + 10.0 ) /
( double )this->settings.Fsk.Datarate ) * 1e6 ) ;
}
else
@@ -1101,9 +1178,9 @@
}
rxTimeoutTimer.detach( );
- if( ( this->RadioEvents->RxError != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxError != NULL ) )
{
- this->RadioEvents->RxError( );
+ this->RadioEvents->RxError( );
}
this->settings.FskPacketHandler.PreambleDetected = false;
this->settings.FskPacketHandler.SyncWordDetected = false;
@@ -1139,7 +1216,7 @@
rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen +
( ( Read( REG_SYNCCONFIG ) &
~RF_SYNCCONFIG_SYNCSIZE_MASK ) +
- 1.0 ) + 1.0 ) /
+ 1.0 ) + 10.0 ) /
( double )this->settings.Fsk.Datarate ) * 1e6 ) ;
}
else
@@ -1149,7 +1226,7 @@
}
rxTimeoutTimer.detach( );
- if( ( this->RadioEvents->RxDone != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxDone != NULL ) )
{
this->RadioEvents->RxDone( rxBuffer, this->settings.FskPacketHandler.Size, this->settings.FskPacketHandler.RssiValue, 0 );
}
@@ -1160,7 +1237,7 @@
break;
case MODEM_LORA:
{
- uint8_t snr = 0;
+ int8_t snr = 0;
// Clear Irq
Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_RXDONE );
@@ -1177,9 +1254,9 @@
}
rxTimeoutTimer.detach( );
- if( ( this->RadioEvents->RxError != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxError != NULL ) )
{
- this->RadioEvents->RxError( );
+ this->RadioEvents->RxError( );
}
break;
}
@@ -1198,7 +1275,7 @@
}
int16_t rssi = Read( REG_LR_PKTRSSIVALUE );
- if( this->settings.LoRaPacketHandler.SnrValue < 0 )
+ if( snr < 0 )
{
if( this->settings.Channel > RF_MID_BAND_THRESH )
{
@@ -1232,7 +1309,7 @@
}
rxTimeoutTimer.detach( );
- if( ( this->RadioEvents->RxDone != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxDone != NULL ) )
{
this->RadioEvents->RxDone( rxBuffer, this->settings.LoRaPacketHandler.Size, this->settings.LoRaPacketHandler.RssiValue, this->settings.LoRaPacketHandler.SnrValue );
}
@@ -1254,9 +1331,9 @@
case MODEM_FSK:
default:
this->settings.State = RF_IDLE;
- if( ( this->RadioEvents->TxDone != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->TxDone != NULL ) )
{
- this->RadioEvents->TxDone( );
+ this->RadioEvents->TxDone( );
}
break;
}
@@ -1303,7 +1380,7 @@
// Sync time out
rxTimeoutTimer.detach( );
this->settings.State = RF_IDLE;
- if( ( this->RadioEvents->RxTimeout != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxTimeout != NULL ) )
{
this->RadioEvents->RxTimeout( );
}
@@ -1334,7 +1411,7 @@
default:
break;
}
- break;
+ break;
default:
break;
}
@@ -1368,11 +1445,11 @@
// Clear Irq
Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL );
- if( ( this->RadioEvents->FhssChangeChannel != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->FhssChangeChannel != NULL ) )
{
this->RadioEvents->FhssChangeChannel( ( Read( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ) );
}
- }
+ }
break;
default:
break;
@@ -1389,16 +1466,16 @@
// Clear Irq
Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL );
- if( ( this->RadioEvents->FhssChangeChannel != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->FhssChangeChannel != NULL ) )
{
this->RadioEvents->FhssChangeChannel( ( Read( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ) );
}
- }
+ }
break;
default:
break;
}
- break;
+ break;
default:
break;
}
@@ -1411,11 +1488,11 @@
case MODEM_FSK:
break;
case MODEM_LORA:
- if( ( Read( REG_LR_IRQFLAGS ) & 0x01 ) == 0x01 )
+ if( ( Read( REG_LR_IRQFLAGS ) & RFLR_IRQFLAGS_CADDETECTED ) == RFLR_IRQFLAGS_CADDETECTED )
{
// Clear Irq
- Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDETECTED_MASK | RFLR_IRQFLAGS_CADDONE);
- if( ( this->RadioEvents->CadDone != NULL ) )
+ Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDETECTED | RFLR_IRQFLAGS_CADDONE );
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->CadDone != NULL ) )
{
this->RadioEvents->CadDone( true );
}
@@ -1424,7 +1501,7 @@
{
// Clear Irq
Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDONE );
- if( ( this->RadioEvents->CadDone != NULL ) )
+ if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->CadDone != NULL ) )
{
this->RadioEvents->CadDone( false );
}
