Ivo Noorhoff
/
SX1276LibBreakout
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Revision 26:3778e6204cc1, committed 2016-05-13
- Comitter:
- mluis
- Date:
- Fri May 13 15:09:10 2016 +0000
- Parent:
- 25:79c5b50b2b9c
- Commit message:
- Synchronized with https://github.com/Lora-net/LoRaMac-node radio drivers git revision 55d16ca8949c09ee241c87b7600e2a8bc90d3743
Changed in this revision
diff -r 79c5b50b2b9c -r 3778e6204cc1 sx1276/sx1276-hal.cpp
--- a/sx1276/sx1276-hal.cpp Tue Mar 15 13:12:44 2016 +0000
+++ b/sx1276/sx1276-hal.cpp Fri May 13 15:09:10 2016 +0000
@@ -23,7 +23,7 @@
: SX1276( events, mosi, miso, sclk, nss, reset, dio0, dio1, dio2, dio3, dio4, dio5 ),
antSwitch( antSwitch ),
#if( defined ( TARGET_NUCLEO_L152RE ) )
- fake( D8 )
+ fake( D8 )
#else
fake( A3 )
#endif
@@ -31,15 +31,15 @@
this->RadioEvents = events;
Reset( );
-
+
RxChainCalibration( );
-
+
IoInit( );
-
+
SetOpMode( RF_OPMODE_SLEEP );
-
+
IoIrqInit( dioIrq );
-
+
RadioRegistersInit( );
SetModem( MODEM_FSK );
@@ -47,7 +47,7 @@
this->settings.State = RF_IDLE ;
}
-SX1276MB1xAS::SX1276MB1xAS( RadioEvents_t *events )
+SX1276MB1xAS::SX1276MB1xAS( RadioEvents_t *events )
#if defined ( TARGET_NUCLEO_L152RE )
: SX1276( events, D11, D12, D13, D10, A0, D2, D3, D4, D5, A3, D9 ), // For NUCLEO L152RE dio4 is on port A3
antSwitch( A4 ),
@@ -65,18 +65,18 @@
this->RadioEvents = events;
Reset( );
-
+
boardConnected = UNKNOWN;
-
+
DetectBoardType( );
-
+
RxChainCalibration( );
-
+
IoInit( );
-
+
SetOpMode( RF_OPMODE_SLEEP );
IoIrqInit( dioIrq );
-
+
RadioRegistersInit( );
SetModem( MODEM_FSK );
@@ -140,12 +140,12 @@
void SX1276MB1xAS::IoIrqInit( DioIrqHandler *irqHandlers )
{
-#if( defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_LPC11U6X ) )
- dio0.mode(PullDown);
- dio1.mode(PullDown);
- dio2.mode(PullDown);
- dio3.mode(PullDown);
- dio4.mode(PullDown);
+#if( defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_LPC11U6X ) )
+ dio0.mode( PullDown );
+ dio1.mode( PullDown );
+ dio2.mode( PullDown );
+ dio3.mode( PullDown );
+ dio4.mode( PullDown );
#endif
dio0.rise( this, static_cast< TriggerMB1xAS > ( irqHandlers[0] ) );
dio1.rise( this, static_cast< TriggerMB1xAS > ( irqHandlers[1] ) );
@@ -207,14 +207,10 @@
void SX1276MB1xAS::SetAntSw( uint8_t rxTx )
{
- if( this->rxTx == rxTx )
- {
- //no need to go further
- return;
- }
this->rxTx = rxTx;
+ // 1: Tx, 0: Rx
if( rxTx != 0 )
{
antSwitch = 1;
diff -r 79c5b50b2b9c -r 3778e6204cc1 sx1276/sx1276-hal.h
--- a/sx1276/sx1276-hal.h Tue Mar 15 13:12:44 2016 +0000
+++ b/sx1276/sx1276-hal.h Fri May 13 15:09:10 2016 +0000
@@ -26,6 +26,7 @@
{ MODEM_FSK , REG_LNA , 0x23 },\
{ MODEM_FSK , REG_RXCONFIG , 0x1E },\
{ MODEM_FSK , REG_RSSICONFIG , 0xD2 },\
+ { MODEM_FSK , REG_AFCFEI , 0x01 },\
{ MODEM_FSK , REG_PREAMBLEDETECT , 0xAA },\
{ MODEM_FSK , REG_OSC , 0x07 },\
{ MODEM_FSK , REG_SYNCCONFIG , 0x12 },\
@@ -50,28 +51,28 @@
* Antenna switch GPIO pins objects
*/
DigitalInOut antSwitch;
-
+
DigitalIn fake;
-
+
private:
static const RadioRegisters_t RadioRegsInit[];
-
+
public:
SX1276MB1xAS( RadioEvents_t *events,
PinName mosi, PinName miso, PinName sclk, PinName nss, PinName reset,
PinName dio0, PinName dio1, PinName dio2, PinName dio3, PinName dio4, PinName dio5,
PinName antSwitch );
-
+
SX1276MB1xAS( RadioEvents_t *events );
-
+
virtual ~SX1276MB1xAS( ) { };
-
- protected:
+
+protected:
/*!
* @brief Initializes the radio I/Os pins interface
*/
virtual void IoInit( void );
-
+
/*!
* @brief Initializes the radio registers
*/
@@ -81,7 +82,7 @@
* @brief Initializes the radio SPI
*/
virtual void SpiInit( void );
-
+
/*!
* @brief Initializes DIO IRQ handlers
*
@@ -131,13 +132,13 @@
* @param [IN] rxTx [1: Tx, 0: Rx]
*/
virtual void SetAntSw( uint8_t rxTx );
-
- public:
+
+public:
/*!
* @brief Detect the board connected by reading the value of the antenna switch pin
*/
virtual uint8_t DetectBoardType( void );
-
+
/*!
* @brief Checks if the given RF frequency is supported by the hardware
*
@@ -145,15 +146,15 @@
* @retval isSupported [true: supported, false: unsupported]
*/
virtual bool CheckRfFrequency( uint32_t frequency );
-
- /*!
+
+ /*!
* @brief Writes the radio register at the specified address
*
* @param [IN]: addr Register address
* @param [IN]: data New register value
*/
virtual void Write ( uint8_t addr, uint8_t data ) ;
-
+
/*!
* @brief Reads the radio register at the specified address
*
@@ -161,7 +162,7 @@
* @retval data Register value
*/
virtual uint8_t Read ( uint8_t addr ) ;
-
+
/*!
* @brief Writes multiple radio registers starting at address
*
@@ -170,7 +171,7 @@
* @param [IN] size Number of registers to be written
*/
virtual void Write( uint8_t addr, uint8_t *buffer, uint8_t size ) ;
-
+
/*!
* @brief Reads multiple radio registers starting at address
*
@@ -179,7 +180,7 @@
* @param [IN] size Number of registers to be read
*/
virtual void Read ( uint8_t addr, uint8_t *buffer, uint8_t size ) ;
-
+
/*!
* @brief Writes the buffer contents to the SX1276 FIFO
*
@@ -195,7 +196,7 @@
* @param [IN] size Number of bytes to be read from the FIFO
*/
virtual void ReadFifo( uint8_t *buffer, uint8_t size ) ;
-
+
/*!
* @brief Reset the SX1276
*/
diff -r 79c5b50b2b9c -r 3778e6204cc1 sx1276/sx1276.cpp
--- a/sx1276/sx1276.cpp Tue Mar 15 13:12:44 2016 +0000
+++ b/sx1276/sx1276.cpp Fri May 13 15:09:10 2016 +0000
@@ -54,7 +54,7 @@
wait_ms( 10 );
this->rxTx = 0;
this->rxtxBuffer = new uint8_t[RX_BUFFER_SIZE];
- previousOpMode = RF_OPMODE_STANDBY;
+ currentOpMode = RF_OPMODE_STANDBY;
this->RadioEvents = events;
@@ -98,19 +98,19 @@
bool SX1276::IsChannelFree( RadioModems_t modem, uint32_t freq, int16_t rssiThresh )
{
int16_t rssi = 0;
-
+
SetModem( modem );
SetChannel( freq );
-
+
SetOpMode( RF_OPMODE_RECEIVER );
wait_ms( 1 );
-
+
rssi = GetRssi( modem );
-
+
Sleep( );
-
+
if( rssi > rssiThresh )
{
return false;
@@ -124,7 +124,7 @@
uint32_t rnd = 0;
/*
- * Radio setup for random number generation
+ * Radio setup for random number generation
*/
// Set LoRa modem ON
SetModem( MODEM_LORA );
@@ -182,7 +182,7 @@
// Sets a Frequency in HF band
SetChannel( 868000000 );
- // Launch Rx chain calibration for HF band
+ // 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 )
{
@@ -237,7 +237,7 @@
this->settings.Fsk.IqInverted = iqInverted;
this->settings.Fsk.RxContinuous = rxContinuous;
this->settings.Fsk.PreambleLen = preambleLen;
-
+
datarate = ( uint16_t )( ( double )XTAL_FREQ / ( double )datarate );
Write( REG_BITRATEMSB, ( uint8_t )( datarate >> 8 ) );
Write( REG_BITRATELSB, ( uint8_t )( datarate & 0xFF ) );
@@ -247,18 +247,18 @@
Write( REG_PREAMBLEMSB, ( uint8_t )( ( preambleLen >> 8 ) & 0xFF ) );
Write( REG_PREAMBLELSB, ( uint8_t )( preambleLen & 0xFF ) );
-
+
if( fixLen == 1 )
{
Write( REG_PAYLOADLENGTH, payloadLen );
}
else
{
- Write( REG_PAYLOADLENGTH, 0xFF ); // Set payload length to the maximum
+ Write( REG_PAYLOADLENGTH, 0xFF ); // Set payload length to the maximum
}
Write( REG_PACKETCONFIG1,
- ( Read( REG_PACKETCONFIG1 ) &
+ ( Read( REG_PACKETCONFIG1 ) &
RF_PACKETCONFIG1_CRC_MASK &
RF_PACKETCONFIG1_PACKETFORMAT_MASK ) |
( ( fixLen == 1 ) ? RF_PACKETCONFIG1_PACKETFORMAT_FIXED : RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE ) |
@@ -293,7 +293,7 @@
{
datarate = 6;
}
-
+
if( ( ( bandwidth == 7 ) && ( ( datarate == 11 ) || ( datarate == 12 ) ) ) ||
( ( bandwidth == 8 ) && ( datarate == 12 ) ) )
{
@@ -304,14 +304,14 @@
this->settings.LoRa.LowDatarateOptimize = 0x00;
}
- Write( REG_LR_MODEMCONFIG1,
+ Write( REG_LR_MODEMCONFIG1,
( Read( REG_LR_MODEMCONFIG1 ) &
RFLR_MODEMCONFIG1_BW_MASK &
RFLR_MODEMCONFIG1_CODINGRATE_MASK &
RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK ) |
- ( bandwidth << 4 ) | ( coderate << 1 ) |
+ ( bandwidth << 4 ) | ( coderate << 1 ) |
fixLen );
-
+
Write( REG_LR_MODEMCONFIG2,
( Read( REG_LR_MODEMCONFIG2 ) &
RFLR_MODEMCONFIG2_SF_MASK &
@@ -320,13 +320,13 @@
( datarate << 4 ) | ( crcOn << 2 ) |
( ( symbTimeout >> 8 ) & ~RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK ) );
- Write( REG_LR_MODEMCONFIG3,
+ Write( REG_LR_MODEMCONFIG3,
( Read( REG_LR_MODEMCONFIG3 ) &
RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK ) |
( this->settings.LoRa.LowDatarateOptimize << 3 ) );
Write( REG_LR_SYMBTIMEOUTLSB, ( uint8_t )( symbTimeout & 0xFF ) );
-
+
Write( REG_LR_PREAMBLEMSB, ( uint8_t )( ( preambleLen >> 8 ) & 0xFF ) );
Write( REG_LR_PREAMBLELSB, ( uint8_t )( preambleLen & 0xFF ) );
@@ -343,7 +343,7 @@
if( ( bandwidth == 9 ) && ( this->settings.Channel > RF_MID_BAND_THRESH ) )
{
- // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth
+ // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth
Write( REG_LR_TEST36, 0x02 );
Write( REG_LR_TEST3A, 0x64 );
}
@@ -358,14 +358,14 @@
// ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth
Write( REG_LR_TEST36, 0x03 );
}
-
+
if( datarate == 6 )
{
- Write( REG_LR_DETECTOPTIMIZE,
+ Write( REG_LR_DETECTOPTIMIZE,
( Read( REG_LR_DETECTOPTIMIZE ) &
RFLR_DETECTIONOPTIMIZE_MASK ) |
RFLR_DETECTIONOPTIMIZE_SF6 );
- Write( REG_LR_DETECTIONTHRESHOLD,
+ Write( REG_LR_DETECTIONTHRESHOLD,
RFLR_DETECTIONTHRESH_SF6 );
}
else
@@ -374,7 +374,7 @@
( Read( REG_LR_DETECTOPTIMIZE ) &
RFLR_DETECTIONOPTIMIZE_MASK ) |
RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12 );
- Write( REG_LR_DETECTIONTHRESHOLD,
+ Write( REG_LR_DETECTIONTHRESHOLD,
RFLR_DETECTIONTHRESH_SF7_TO_SF12 );
}
}
@@ -382,17 +382,17 @@
}
}
-void SX1276::SetTxConfig( RadioModems_t 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,
+ bool fixLen, bool crcOn, bool freqHopOn,
uint8_t hopPeriod, bool iqInverted, uint32_t timeout )
{
uint8_t paConfig = 0;
uint8_t paDac = 0;
SetModem( modem );
-
+
paConfig = Read( REG_PACONFIG );
paDac = Read( REG_PADAC );
@@ -462,7 +462,7 @@
this->settings.Fsk.CrcOn = crcOn;
this->settings.Fsk.IqInverted = iqInverted;
this->settings.Fsk.TxTimeout = timeout;
-
+
fdev = ( uint16_t )( ( double )fdev / ( double )FREQ_STEP );
Write( REG_FDEVMSB, ( uint8_t )( fdev >> 8 ) );
Write( REG_FDEVLSB, ( uint8_t )( fdev & 0xFF ) );
@@ -475,12 +475,12 @@
Write( REG_PREAMBLELSB, preambleLen & 0xFF );
Write( REG_PACKETCONFIG1,
- ( Read( REG_PACKETCONFIG1 ) &
+ ( Read( REG_PACKETCONFIG1 ) &
RF_PACKETCONFIG1_CRC_MASK &
RF_PACKETCONFIG1_PACKETFORMAT_MASK ) |
( ( fixLen == 1 ) ? RF_PACKETCONFIG1_PACKETFORMAT_FIXED : RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE ) |
( crcOn << 4 ) );
-
+
}
break;
case MODEM_LORA:
@@ -527,12 +527,12 @@
Write( REG_LR_HOPPERIOD, this->settings.LoRa.HopPeriod );
}
- Write( REG_LR_MODEMCONFIG1,
+ Write( REG_LR_MODEMCONFIG1,
( Read( REG_LR_MODEMCONFIG1 ) &
RFLR_MODEMCONFIG1_BW_MASK &
RFLR_MODEMCONFIG1_CODINGRATE_MASK &
RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK ) |
- ( bandwidth << 4 ) | ( coderate << 1 ) |
+ ( bandwidth << 4 ) | ( coderate << 1 ) |
fixLen );
Write( REG_LR_MODEMCONFIG2,
@@ -541,21 +541,21 @@
RFLR_MODEMCONFIG2_RXPAYLOADCRC_MASK ) |
( datarate << 4 ) | ( crcOn << 2 ) );
- Write( REG_LR_MODEMCONFIG3,
+ Write( REG_LR_MODEMCONFIG3,
( Read( REG_LR_MODEMCONFIG3 ) &
RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK ) |
( this->settings.LoRa.LowDatarateOptimize << 3 ) );
-
+
Write( REG_LR_PREAMBLEMSB, ( preambleLen >> 8 ) & 0x00FF );
Write( REG_LR_PREAMBLELSB, preambleLen & 0xFF );
-
+
if( datarate == 6 )
{
- Write( REG_LR_DETECTOPTIMIZE,
+ Write( REG_LR_DETECTOPTIMIZE,
( Read( REG_LR_DETECTOPTIMIZE ) &
RFLR_DETECTIONOPTIMIZE_MASK ) |
RFLR_DETECTIONOPTIMIZE_SF6 );
- Write( REG_LR_DETECTIONTHRESHOLD,
+ Write( REG_LR_DETECTIONTHRESHOLD,
RFLR_DETECTIONTHRESH_SF6 );
}
else
@@ -564,7 +564,7 @@
( Read( REG_LR_DETECTOPTIMIZE ) &
RFLR_DETECTIONOPTIMIZE_MASK ) |
RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12 );
- Write( REG_LR_DETECTIONTHRESHOLD,
+ Write( REG_LR_DETECTIONTHRESHOLD,
RFLR_DETECTIONTHRESH_SF7_TO_SF12 );
}
}
@@ -641,7 +641,7 @@
( this->settings.LoRa.Coderate + 4 );
double nPayload = 8 + ( ( tmp > 0 ) ? tmp : 0 );
double tPayload = nPayload * ts;
- // Time on air
+ // Time on air
double tOnAir = tPreamble + tPayload;
// return us secs
airTime = floor( tOnAir * 1e6 + 0.999 );
@@ -669,8 +669,8 @@
else
{
Write( REG_PAYLOADLENGTH, size );
- }
-
+ }
+
if( ( size > 0 ) && ( size <= 64 ) )
{
this->settings.FskPacketHandler.ChunkSize = size;
@@ -698,14 +698,14 @@
{
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;
// Initializes the payload size
Write( REG_LR_PAYLOADLENGTH, size );
- // Full buffer used for Tx
+ // Full buffer used for Tx
Write( REG_LR_FIFOTXBASEADDR, 0 );
Write( REG_LR_FIFOADDRPTR, 0 );
@@ -752,7 +752,7 @@
case MODEM_FSK:
{
rxContinuous = this->settings.Fsk.RxContinuous;
-
+
// DIO0=PayloadReady
// DIO1=FifoLevel
// DIO2=SyncAddr
@@ -763,15 +763,18 @@
RF_DIOMAPPING1_DIO1_MASK &
RF_DIOMAPPING1_DIO2_MASK ) |
RF_DIOMAPPING1_DIO0_00 |
+ RF_DIOMAPPING1_DIO1_00 |
RF_DIOMAPPING1_DIO2_11 );
-
+
Write( REG_DIOMAPPING2, ( Read( REG_DIOMAPPING2 ) & RF_DIOMAPPING2_DIO4_MASK &
- RF_DIOMAPPING2_MAP_MASK ) |
+ RF_DIOMAPPING2_MAP_MASK ) |
RF_DIOMAPPING2_DIO4_11 |
RF_DIOMAPPING2_MAP_PREAMBLEDETECT );
-
+
this->settings.FskPacketHandler.FifoThresh = Read( REG_FIFOTHRESH ) & 0x3F;
-
+
+ Write( REG_RXCONFIG, RF_RXCONFIG_AFCAUTO_ON | RF_RXCONFIG_AGCAUTO_ON | RF_RXCONFIG_RXTRIGER_PREAMBLEDETECT );
+
this->settings.FskPacketHandler.PreambleDetected = false;
this->settings.FskPacketHandler.SyncWordDetected = false;
this->settings.FskPacketHandler.NbBytes = 0;
@@ -789,8 +792,7 @@
{
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 )
@@ -840,7 +842,7 @@
}
rxContinuous = this->settings.LoRa.RxContinuous;
-
+
if( this->settings.LoRa.FreqHopOn == true )
{
Write( REG_LR_IRQFLAGSMASK, //RFLR_IRQFLAGS_RXTIMEOUT |
@@ -851,7 +853,7 @@
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 );
}
@@ -865,7 +867,7 @@
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 );
}
@@ -886,14 +888,14 @@
if( this->settings.Modem == MODEM_FSK )
{
SetOpMode( RF_OPMODE_RECEIVER );
-
+
if( rxContinuous == false )
{
- rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen +
- ( ( Read( REG_SYNCCONFIG ) &
- ~RF_SYNCCONFIG_SYNCSIZE_MASK ) +
- 1.0 ) + 10.0 ) /
- ( double )this->settings.Fsk.Datarate ) * 1e6 );
+ rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ceil( ( 8.0 * ( this->settings.Fsk.PreambleLen +
+ ( ( Read( REG_SYNCCONFIG ) &
+ ~RF_SYNCCONFIG_SYNCSIZE_MASK ) +
+ 1.0 ) + 10.0 ) /
+ ( double )this->settings.Fsk.Datarate ) * 1e6 ) + 4000 );
}
}
else
@@ -923,8 +925,9 @@
// DIO4=LowBat
// DIO5=ModeReady
Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RF_DIOMAPPING1_DIO0_MASK &
- RF_DIOMAPPING1_DIO2_MASK ) |
- RF_DIOMAPPING1_DIO1_01 );
+ RF_DIOMAPPING1_DIO1_MASK &
+ RF_DIOMAPPING1_DIO2_MASK ) |
+ RF_DIOMAPPING1_DIO1_01 );
Write( REG_DIOMAPPING2, ( Read( REG_DIOMAPPING2 ) & RF_DIOMAPPING2_DIO4_MASK &
RF_DIOMAPPING2_MAP_MASK ) );
@@ -943,7 +946,7 @@
RFLR_IRQFLAGS_CADDONE |
//RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
RFLR_IRQFLAGS_CADDETECTED );
-
+
// 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 );
}
@@ -976,7 +979,7 @@
{
case MODEM_FSK:
{
-
+
}
break;
case MODEM_LORA:
@@ -988,12 +991,12 @@
RFLR_IRQFLAGS_TXDONE |
//RFLR_IRQFLAGS_CADDONE |
RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL // |
- //RFLR_IRQFLAGS_CADDETECTED
+ //RFLR_IRQFLAGS_CADDETECTED
);
-
+
// DIO3=CADDone
Write( REG_DIOMAPPING1, ( Read( REG_DIOMAPPING1 ) & RFLR_DIOMAPPING1_DIO0_MASK ) | RFLR_DIOMAPPING1_DIO0_00 );
-
+
this->settings.State = RF_CAD;
SetOpMode( RFLR_OPMODE_CAD );
}
@@ -1031,27 +1034,23 @@
void SX1276::SetOpMode( uint8_t opMode )
{
- if( opMode != previousOpMode )
+ if( opMode == RF_OPMODE_SLEEP )
{
- previousOpMode = opMode;
- if( opMode == RF_OPMODE_SLEEP )
+ SetAntSwLowPower( true );
+ }
+ else
+ {
+ SetAntSwLowPower( false );
+ if( opMode == RF_OPMODE_TRANSMITTER )
{
- SetAntSwLowPower( true );
+ SetAntSw( 1 );
}
else
{
- SetAntSwLowPower( false );
- if( opMode == RF_OPMODE_TRANSMITTER )
- {
- SetAntSw( 1 );
- }
- else
- {
- SetAntSw( 0 );
- }
+ SetAntSw( 0 );
}
- Write( REG_OPMODE, ( Read( REG_OPMODE ) & RF_OPMODE_MASK ) | opMode );
}
+ Write( REG_OPMODE, ( Read( REG_OPMODE ) & RF_OPMODE_MASK ) | opMode );
}
void SX1276::SetModem( RadioModems_t modem )
@@ -1113,7 +1112,7 @@
this->settings.FskPacketHandler.Size = 0;
// Clear Irqs
- Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI |
+ Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI |
RF_IRQFLAGS1_PREAMBLEDETECT |
RF_IRQFLAGS1_SYNCADDRESSMATCH );
Write( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN );
@@ -1122,6 +1121,11 @@
{
// Continuous mode restart Rx chain
Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK );
+ rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ceil( ( 8.0 * ( this->settings.Fsk.PreambleLen +
+ ( ( Read( REG_SYNCCONFIG ) &
+ ~RF_SYNCCONFIG_SYNCSIZE_MASK ) +
+ 1.0 ) + 10.0 ) /
+ ( double )this->settings.Fsk.Datarate ) * 1e6 ) + 4000 );
}
else
{
@@ -1151,7 +1155,7 @@
volatile uint8_t irqFlags = 0;
switch( this->settings.State )
- {
+ {
case RF_RX_RUNNING:
//TimerStop( &RxTimeoutTimer );
// RxDone interrupt
@@ -1164,27 +1168,30 @@
if( ( irqFlags & RF_IRQFLAGS2_CRCOK ) != RF_IRQFLAGS2_CRCOK )
{
// Clear Irqs
- Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI |
+ Write( REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI |
RF_IRQFLAGS1_PREAMBLEDETECT |
RF_IRQFLAGS1_SYNCADDRESSMATCH );
Write( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN );
-
+
+ rxTimeoutTimer.detach( );
+
if( this->settings.Fsk.RxContinuous == false )
{
+ rxTimeoutSyncWord.detach( );
this->settings.State = RF_IDLE;
- rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen +
- ( ( Read( REG_SYNCCONFIG ) &
- ~RF_SYNCCONFIG_SYNCSIZE_MASK ) +
- 1.0 ) + 10.0 ) /
- ( double )this->settings.Fsk.Datarate ) * 1e6 ) ;
}
else
{
// Continuous mode restart Rx chain
Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK );
+ rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ceil( ( 8.0 * ( this->settings.Fsk.PreambleLen +
+ ( ( Read( REG_SYNCCONFIG ) &
+ ~RF_SYNCCONFIG_SYNCSIZE_MASK ) +
+ 1.0 ) + 10.0 ) /
+ ( double )this->settings.Fsk.Datarate ) * 1e6 ) + 4000 );
}
- rxTimeoutTimer.detach( );
-
+
+
if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxError != NULL ) )
{
this->RadioEvents->RxError( );
@@ -1196,7 +1203,7 @@
break;
}
}
-
+
// Read received packet size
if( ( this->settings.FskPacketHandler.Size == 0 ) && ( this->settings.FskPacketHandler.NbBytes == 0 ) )
{
@@ -1217,26 +1224,28 @@
this->settings.FskPacketHandler.NbBytes += ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes );
}
+ rxTimeoutTimer.detach( );
+
if( this->settings.Fsk.RxContinuous == false )
{
this->settings.State = RF_IDLE;
- rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ( 8.0 * ( this->settings.Fsk.PreambleLen +
- ( ( Read( REG_SYNCCONFIG ) &
- ~RF_SYNCCONFIG_SYNCSIZE_MASK ) +
- 1.0 ) + 10.0 ) /
- ( double )this->settings.Fsk.Datarate ) * 1e6 ) ;
+ rxTimeoutSyncWord.detach( );
}
else
{
// Continuous mode restart Rx chain
Write( REG_RXCONFIG, Read( REG_RXCONFIG ) | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK );
+ rxTimeoutSyncWord.attach_us( this, &SX1276::OnTimeoutIrq, ceil( ( 8.0 * ( this->settings.Fsk.PreambleLen +
+ ( ( Read( REG_SYNCCONFIG ) &
+ ~RF_SYNCCONFIG_SYNCSIZE_MASK ) +
+ 1.0 ) + 10.0 ) /
+ ( double )this->settings.Fsk.Datarate ) * 1e6 ) + 4000 );
}
- rxTimeoutTimer.detach( );
if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->RxDone != NULL ) )
{
- this->RadioEvents->RxDone( rxtxBuffer, this->settings.FskPacketHandler.Size, this->settings.FskPacketHandler.RssiValue, 0 );
- }
+ this->RadioEvents->RxDone( rxtxBuffer, this->settings.FskPacketHandler.Size, this->settings.FskPacketHandler.RssiValue, 0 );
+ }
this->settings.FskPacketHandler.PreambleDetected = false;
this->settings.FskPacketHandler.SyncWordDetected = false;
this->settings.FskPacketHandler.NbBytes = 0;
@@ -1296,7 +1305,7 @@
}
}
else
- {
+ {
if( this->settings.Channel > RF_MID_BAND_THRESH )
{
this->settings.LoRaPacketHandler.RssiValue = RSSI_OFFSET_HF + rssi + ( rssi >> 4 );
@@ -1309,7 +1318,7 @@
this->settings.LoRaPacketHandler.Size = Read( REG_LR_RXNBBYTES );
ReadFifo( rxtxBuffer, this->settings.LoRaPacketHandler.Size );
-
+
if( this->settings.LoRa.RxContinuous == false )
{
this->settings.State = RF_IDLE;
@@ -1327,7 +1336,7 @@
}
break;
case RF_TX_RUNNING:
- txTimeoutTimer.detach( );
+ txTimeoutTimer.detach( );
// TxDone interrupt
switch( this->settings.Modem )
{
@@ -1341,7 +1350,7 @@
if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->TxDone != NULL ) )
{
this->RadioEvents->TxDone( );
- }
+ }
break;
}
break;
@@ -1353,7 +1362,7 @@
void SX1276::OnDio1Irq( void )
{
switch( this->settings.State )
- {
+ {
case RF_RX_RUNNING:
switch( this->settings.Modem )
{
@@ -1400,13 +1409,13 @@
switch( this->settings.Modem )
{
case MODEM_FSK:
- // FifoLevel interrupt
+ // FifoEmpty interrupt
if( ( this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes ) > this->settings.FskPacketHandler.ChunkSize )
{
WriteFifo( ( rxtxBuffer + this->settings.FskPacketHandler.NbBytes ), this->settings.FskPacketHandler.ChunkSize );
this->settings.FskPacketHandler.NbBytes += this->settings.FskPacketHandler.ChunkSize;
}
- else
+ else
{
// Write the last chunk of data
WriteFifo( rxtxBuffer + this->settings.FskPacketHandler.NbBytes, this->settings.FskPacketHandler.Size - this->settings.FskPacketHandler.NbBytes );
@@ -1427,7 +1436,7 @@
void SX1276::OnDio2Irq( void )
{
switch( this->settings.State )
- {
+ {
case RF_RX_RUNNING:
switch( this->settings.Modem )
{
@@ -1435,9 +1444,9 @@
if( ( this->settings.FskPacketHandler.PreambleDetected == true ) && ( this->settings.FskPacketHandler.SyncWordDetected == false ) )
{
rxTimeoutSyncWord.detach( );
-
+
this->settings.FskPacketHandler.SyncWordDetected = true;
-
+
this->settings.FskPacketHandler.RssiValue = -( Read( REG_RSSIVALUE ) >> 1 );
this->settings.FskPacketHandler.AfcValue = ( int32_t )( double )( ( ( uint16_t )Read( REG_AFCMSB ) << 8 ) |
@@ -1451,7 +1460,7 @@
{
// Clear Irq
Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL );
-
+
if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->FhssChangeChannel != NULL ) )
{
this->RadioEvents->FhssChangeChannel( ( Read( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ) );
@@ -1472,7 +1481,7 @@
{
// Clear Irq
Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL );
-
+
if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->FhssChangeChannel != NULL ) )
{
this->RadioEvents->FhssChangeChannel( ( Read( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ) );
@@ -1505,7 +1514,7 @@
}
}
else
- {
+ {
// Clear Irq
Write( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDONE );
if( ( this->RadioEvents != NULL ) && ( this->RadioEvents->CadDone != NULL ) )
@@ -1528,7 +1537,7 @@
if( this->settings.FskPacketHandler.PreambleDetected == false )
{
this->settings.FskPacketHandler.PreambleDetected = true;
- }
+ }
}
break;
case MODEM_LORA:
diff -r 79c5b50b2b9c -r 3778e6204cc1 sx1276/sx1276.h
--- a/sx1276/sx1276.h Tue Mar 15 13:12:44 2016 +0000
+++ b/sx1276/sx1276.h Fri May 13 15:09:10 2016 +0000
@@ -23,7 +23,18 @@
/*!
* Radio wakeup time from SLEEP mode
*/
-#define RADIO_WAKEUP_TIME 1000 // [us]
+#define RADIO_OSC_STARTUP 1000 // [us]
+
+/*!
+ * Radio PLL lock and Mode Ready delay which can vary with the temperature
+ */
+#define RADIO_SLEEP_TO_RX 2000 // [us]
+
+/*!
+ * Radio complete Wake-up Time with margin for temperature compensation
+ */
+#define RADIO_WAKEUP_TIME ( RADIO_OSC_STARTUP + RADIO_SLEEP_TO_RX )
+
/*!
* SX1276 definitions
@@ -67,34 +78,34 @@
InterruptIn dio3;
InterruptIn dio4;
DigitalIn dio5;
-
+
bool isRadioActive;
-
+
uint8_t boardConnected; //1 = SX1276MB1LAS; 0 = SX1276MB1MAS
-
+
uint8_t *rxtxBuffer;
- uint8_t previousOpMode;
-
+ uint8_t currentOpMode;
+
/*!
* Hardware DIO IRQ functions
*/
DioIrqHandler *dioIrq;
-
+
/*!
* Tx and Rx timers
*/
Timeout txTimeoutTimer;
Timeout rxTimeoutTimer;
Timeout rxTimeoutSyncWord;
-
+
/*!
* rxTx: [1: Tx, 0: Rx]
*/
uint8_t rxTx;
-
+
RadioSettings_t settings;
-
+
static const FskBandwidth_t FskBandwidths[] ;
protected:
@@ -127,7 +138,7 @@
* @param status Radio status. [RF_IDLE, RX_RUNNING, TX_RUNNING]
*/
virtual RadioState GetStatus( void );
-
+
/*!
* @brief Configures the SX1276 with the given modem
*
@@ -141,7 +152,7 @@
* @param [IN] freq Channel RF frequency
*/
virtual void SetChannel( uint32_t freq );
-
+
/*!
* @brief Sets the channels configuration
*
@@ -152,7 +163,7 @@
* @retval isFree [true: Channel is free, false: Channel is not free]
*/
virtual bool IsChannelFree( RadioModems_t modem, uint32_t freq, int16_t rssiThresh );
-
+
/*!
* @brief Generates a 32 bits random value based on the RSSI readings
*
@@ -164,7 +175,7 @@
* @retval randomValue 32 bits random value
*/
virtual uint32_t Random( void );
-
+
/*!
* @brief Sets the reception parameters
*
@@ -207,7 +218,7 @@
uint8_t payloadLen,
bool crcOn, bool freqHopOn, uint8_t hopPeriod,
bool iqInverted, bool rxContinuous );
-
+
/*!
* @brief Sets the transmission parameters
*
@@ -242,7 +253,7 @@
uint8_t coderate, uint16_t preambleLen,
bool fixLen, bool crcOn, bool freqHopOn,
uint8_t hopPeriod, bool iqInverted, uint32_t timeout );
-
+
/*!
* @brief Computes the packet time on air for the given payload
*
@@ -254,7 +265,7 @@
* @retval airTime Computed airTime for the given packet payload length
*/
virtual double TimeOnAir ( RadioModems_t modem, uint8_t pktLen );
-
+
/*!
* @brief Sends the buffer of size. Prepares the packet to be sent and sets
* the radio in transmission
@@ -263,7 +274,7 @@
* @param [IN]: size Buffer size
*/
virtual void Send( uint8_t *buffer, uint8_t size );
-
+
/*!
* @brief Sets the radio in sleep mode
*/
@@ -273,33 +284,33 @@
* @brief Sets the radio in standby mode
*/
virtual void Standby( void );
-
+
/*!
* @brief Sets the radio in reception mode for the given time
* @param [IN] timeout Reception timeout [us]
* [0: continuous, others timeout]
*/
virtual void Rx( uint32_t timeout );
-
+
/*!
* @brief Sets the radio in transmission mode for the given time
* @param [IN] timeout Transmission timeout [us]
* [0: continuous, others timeout]
*/
virtual void Tx( uint32_t timeout );
-
+
/*!
* @brief Start a Channel Activity Detection
*/
virtual void StartCad( void );
-
+
/*!
* @brief Reads the current RSSI value
*
* @retval rssiValue Current RSSI value in [dBm]
*/
virtual int16_t GetRssi ( RadioModems_t modem );
-
+
/*!
* @brief Writes the radio register at the specified address
*
@@ -307,7 +318,7 @@
* @param [IN]: data New register value
*/
virtual void Write ( uint8_t addr, uint8_t data ) = 0;
-
+
/*!
* @brief Reads the radio register at the specified address
*
@@ -315,7 +326,7 @@
* @retval data Register value
*/
virtual uint8_t Read ( uint8_t addr ) = 0;
-
+
/*!
* @brief Writes multiple radio registers starting at address
*
@@ -324,7 +335,7 @@
* @param [IN] size Number of registers to be written
*/
virtual void Write( uint8_t addr, uint8_t *buffer, uint8_t size ) = 0;
-
+
/*!
* @brief Reads multiple radio registers starting at address
*
@@ -333,7 +344,7 @@
* @param [IN] size Number of registers to be read
*/
virtual void Read ( uint8_t addr, uint8_t *buffer, uint8_t size ) = 0;
-
+
/*!
* @brief Writes the buffer contents to the SX1276 FIFO
*
@@ -353,7 +364,7 @@
* @brief Resets the SX1276
*/
virtual void Reset( void ) = 0;
-
+
/*!
* @brief Sets the maximum payload length.
*
@@ -361,11 +372,11 @@
* @param [IN] max Maximum payload length in bytes
*/
virtual void SetMaxPayloadLength( RadioModems_t modem, uint8_t max );
-
+
//-------------------------------------------------------------------------
// Board relative functions
//-------------------------------------------------------------------------
-
+
protected:
/*!
* @brief Initializes the radio I/Os pins interface
@@ -381,7 +392,7 @@
* @brief Initializes the radio SPI
*/
virtual void SpiInit( void ) = 0;
-
+
/*!
* @brief Initializes DIO IRQ handlers
*
@@ -431,7 +442,7 @@
* @param [IN] rxTx [1: Tx, 0: Rx]
*/
virtual void SetAntSw( uint8_t rxTx ) = 0;
-
+
/*!
* @brief Checks if the given RF frequency is supported by the hardware
*
@@ -486,7 +497,7 @@
* @brief Tx & Rx timeout timer callback
*/
virtual void OnTimeoutIrq( void );
-
+
/*!
* Returns the known FSK bandwidth registers value
*