Semtech
This code holds the complete demo set for the sx1280: PingPong, PER and Ranging Outdoor demo application. >>>>> This code MUST run on the mbed library release 127 or everything will be painfully slow.
Dependencies: mbed SX1280Lib DmTftLibrary
* This code MUST run on the mbed library release 127 or everything will be painfully slow.*
Diff: Demo/DemoApplication.cpp
- Revision:
- 0:9c0917bfde97
- Child:
- 1:dbcb3698f73a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Demo/DemoApplication.cpp Mon Mar 13 15:12:05 2017 +0000
@@ -0,0 +1,2044 @@
+/*
+ ______ _
+ / _____) _ | |
+( (____ _____ ____ _| |_ _____ ____| |__
+ \____ \| ___ | (_ _) ___ |/ ___) _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+ (C)2016 Semtech
+
+Description: PingPong, PER and Ranging demo implementation.
+
+Maintainer: Gregory Cristian & Gilbert Menth
+*/
+
+#include "mbed.h"
+#include "radio.h"
+#include "sx1280-hal.h"
+#include "Eeprom.h"
+#include "DemoApplication.h"
+#include "FreqLUT.h"
+
+/*!
+ * \brief Defines the local payload buffer size
+ */
+#define BUFFER_SIZE 255
+
+/*!
+ * \brief Defines the size of the token defining message type in the payload
+ * cf. above.
+ */
+#define PINGPONG_SIZE 4
+#define PER_SIZE 3
+
+/*!
+ * \brief Define time used in PingPong demo to synch with cycle
+ * RX_TIMEOUT_MARGIN is the free time between each cycle (time reserve)
+ */
+#define RX_TIMEOUT_MARGIN 50 // ms
+#define RX_TX_TRANSITION_WAIT 5 // ms
+
+/*!
+ * \brief Size of ticks (used for Tx and Rx timeout)
+ */
+#define RX_TIMEOUT_TICK_SIZE RADIO_TICK_SIZE_1000_US
+
+#define RNG_TIMER_MS 384 // ms
+#define RNG_COM_TIMEOUT 100 // ms
+
+/*!
+ * \brief Ranging raw factors
+ * SF5 SF6 SF7 SF8 SF9 SF10
+ */
+const uint16_t RNG_CALIB_0400[] = { 10299, 10271, 10244, 10242, 10230, 10246 };
+const uint16_t RNG_CALIB_0800[] = { 11486, 11474, 11453, 11426, 11417, 11401 };
+const uint16_t RNG_CALIB_1600[] = { 13308, 13493, 13528, 13515, 13430, 13376 };
+const double RNG_FGRAD_0400[] = { -0.148, -0.214, -0.419, -0.853, -1.686, -3.423 };
+const double RNG_FGRAD_0800[] = { -0.041, -0.811, -0.218, -0.429, -0.853, -1.737 };
+const double RNG_FGRAD_1600[] = { 0.103, -0.041, -0.101, -0.211, -0.424, -0.87 };
+
+/*!
+ * \brief Define the possible message type for the Ping-Pong and PER apps
+ */
+const uint8_t PingMsg[] = "PING";
+const uint8_t PongMsg[] = "PONG";
+const uint8_t PerMsg[] = "PER";
+
+const uint32_t RefreshScreenDelayMs = 300; // in ms
+
+/*!
+ * \brief Backup registers for patchRAM
+ */
+static uint8_t BackupReg_1 = 0x00;
+static uint8_t BackupReg_2 = 0x00;
+static uint8_t BackupReg_3 = 0x00;
+static uint8_t BackupReg_4 = 0x00;
+static uint8_t BackupReg_5 = 0x00;
+static uint8_t BackupReg_6 = 0x00;
+
+/*!
+ * \brief Buffer and its size
+ */
+uint8_t BufferSize = BUFFER_SIZE;
+uint8_t Buffer[BUFFER_SIZE];
+
+static uint8_t CurrentChannel;
+static uint8_t MeasuredChannels;
+int RngResultIndex;
+double RawRngResults[DEMO_RNG_CHANNELS_COUNT_MAX];
+
+/*!
+ * \brief Function to be executed on Radio Tx Done event
+ */
+void OnTxDone( void );
+
+/*!
+ * \brief Function to be executed on Radio Rx Done event
+ */
+void OnRxDone( void );
+
+/*!
+ * \brief Function executed on Radio Tx Timeout event
+ */
+void OnTxTimeout( void );
+
+/*!
+ * \brief Function executed on Radio Rx Timeout event
+ */
+void OnRxTimeout( void );
+
+/*!
+ * \brief Function executed on Radio Rx Error event
+ */
+void OnRxError( IrqErrorCode_t );
+
+/*!
+ * \brief Function executed on Radio Rx Error event
+ */
+void OnRangingDone( IrqRangingCode_t );
+
+/*!
+ * \brief All the callbacks are stored in a structure
+ */
+RadioCallbacks_t Callbacks =
+{
+ &OnTxDone, // txDone
+ &OnRxDone, // rxDone
+ NULL, // syncWordDone
+ NULL, // headerDone
+ &OnTxTimeout, // txTimeout
+ &OnRxTimeout, // rxTimeout
+ &OnRxError, // rxError
+ &OnRangingDone, // rangingDone
+ NULL, // cadDone
+};
+
+/*!
+ * \brief Define IO and callbacks for radio
+ * mosi, miso, sclk, nss, busy, dio1, dio2, dio3, rst, callbacks
+ */
+SX1280Hal Radio( D11, D12, D13, D7, D3, D5, NC, NC, A0, &Callbacks );
+
+/*!
+ * \brief Control the Antenna Diversity switch
+ */
+DigitalOut ANT_SW( A3 );
+
+/*!
+ * \brief Tx LED toggling on transmition success
+ */
+DigitalOut TX_LED( A4 );
+
+/*!
+ * \brief Rx LED toggling on reception success
+ */
+DigitalOut RX_LED( A5 );
+
+/*!
+ * \brief Mask of IRQs
+ */
+uint16_t IrqMask = 0x0000;
+
+/*!
+ * \brief Locals parameters and status for radio API
+ * NEED TO BE OPTIMIZED, COPY OF STUCTURE ALREADY EXISTING
+ */
+PacketParams_t PacketParams;
+PacketStatus_t PacketStatus;
+ModulationParams_t ModulationParams;
+
+/*!
+ * \brief Flag to indicate if the demo is already running
+ */
+static bool DemoRunning = false;
+
+/*!
+ * \brief Flag holding the current internal state of the demo application
+ */
+static uint8_t DemoInternalState = APP_IDLE;
+
+/*!
+ * \brief Ticker for master to synch Tx frames. Flags for PER and PingPong demo
+ * for Synch TX in cycle.
+ */
+Ticker SendNextPacket;
+static bool SendNext = false;
+
+/*!
+ * \brief Hold last Rx packet number to compute PER in PER and PingPong demo
+ */
+static uint32_t PacketRxSequence = 0;
+static uint32_t PacketRxSequencePrev = 0;
+
+
+void SetAntennaSwitch( void );
+void LedBlink( void );
+void InitializeDemoParameters( uint8_t modulation );
+uint16_t GetTimeOnAir( uint8_t modulation );
+void SendNextPacketEvent( void );
+uint8_t CheckDistance( void );
+
+// ************************** RF Test Demo ******************************
+// * *
+// * *
+// * *
+// *****************************************************************************
+
+uint8_t RunDemoSleepMode( void )
+{
+ SleepParams_t SleepParam;
+
+ if( Eeprom.EepromData.DemoSettings.HoldDemo == true )
+ {
+ return 0;
+ }
+ if( DemoRunning == false )
+ {
+ DemoRunning = true;
+ InitializeDemoParameters( PACKET_TYPE_LORA );
+ TX_LED = 0;
+ RX_LED = 0;
+ SleepParam.WakeUpRTC = 0; //!< Get out of sleep mode if wakeup signal received from RTC
+ SleepParam.InstructionRamRetention = 0; //!< InstructionRam is conserved during sleep
+ SleepParam.DataBufferRetention = 0; //!< Data buffer is conserved during sleep
+ SleepParam.DataRamRetention = 0; //!< Data ram is conserved during sleep
+ Radio.SetSleep( SleepParam );
+ }
+ else
+ {
+ LedBlink( );
+ }
+ return 0;
+}
+
+uint8_t RunDemoStandbyRcMode( void )
+{
+ if( Eeprom.EepromData.DemoSettings.HoldDemo == true )
+ {
+ return 0;
+ }
+ if( DemoRunning == false )
+ {
+ DemoRunning = true;
+ InitializeDemoParameters( PACKET_TYPE_LORA );
+ TX_LED = 0;
+ RX_LED = 0;
+ Radio.SetRegulatorMode( ( RadioRegulatorModes_t )Eeprom.EepromData.DemoSettings.RadioPowerMode );
+ Radio.SetStandby( STDBY_RC );
+ DemoRunning = true;
+ }
+ else
+ {
+ LedBlink( );
+ }
+ return 0;
+}
+
+uint8_t RunDemoStandbyXoscMode( void )
+{
+ if( Eeprom.EepromData.DemoSettings.HoldDemo == true )
+ {
+ return 0;
+ }
+ if( DemoRunning == false )
+ {
+ DemoRunning = true;
+ InitializeDemoParameters( PACKET_TYPE_LORA );
+ TX_LED = 0;
+ RX_LED = 0;
+ Radio.SetRegulatorMode( ( RadioRegulatorModes_t )Eeprom.EepromData.DemoSettings.RadioPowerMode );
+ Radio.SetStandby( STDBY_XOSC );
+ DemoRunning = true;
+ }
+ else
+ {
+ LedBlink( );
+ }
+ return 0;
+}
+
+uint8_t RunDemoTxCw( void )
+{
+ if( Eeprom.EepromData.DemoSettings.HoldDemo == true )
+ {
+ return 0;
+ }
+ if( DemoRunning == false )
+ {
+ DemoRunning = true;
+ InitializeDemoParameters( PACKET_TYPE_LORA );
+ TX_LED = 0;
+ RX_LED = 0;
+ SetAntennaSwitch( );
+ Radio.SetStandby( STDBY_RC );
+ Radio.SetRegulatorMode( ( RadioRegulatorModes_t )Eeprom.EepromData.DemoSettings.RadioPowerMode );
+ Radio.SetRfFrequency( Eeprom.EepromData.DemoSettings.Frequency );
+ Radio.SetTxParams( Eeprom.EepromData.DemoSettings.TxPower, RADIO_RAMP_20_US );
+ Radio.SetTxContinuousWave( );
+ DemoRunning = true;
+ }
+ else
+ {
+ LedBlink( );
+ }
+ return 0;
+}
+
+uint8_t RunDemoTxContinuousModulation( void )
+{
+ uint8_t localPayloadSize = 250;
+ uint8_t i = 0;
+
+ if( Eeprom.EepromData.DemoSettings.ModulationType == PACKET_TYPE_RANGING )
+ {
+ Eeprom.EepromData.DemoSettings.ModulationType = PACKET_TYPE_LORA;
+ }
+ if( Eeprom.EepromData.DemoSettings.HoldDemo == true )
+ {
+ return 0;
+ }
+
+ if( Eeprom.EepromData.DemoSettings.ModulationType == PACKET_TYPE_FLRC )
+ {
+ localPayloadSize = 120; // Encoded in 4/8 so 240 bytes in total
+ }
+ if( DemoRunning == false )
+ {
+ DemoRunning = true;
+
+ TX_LED = 0;
+ RX_LED = 0;
+
+ InitializeDemoParameters( Eeprom.EepromData.DemoSettings.ModulationType );
+
+ // Send the next PING frame
+ IrqMask = IRQ_TX_DONE | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ for( i = 0; i < localPayloadSize; i++ )
+ {
+ Buffer[i] = ( uint8_t )rand( );
+ }
+// Radio.SetAutoFS( true ); // no need to relock the PLL between packets
+ Radio.SendPayload( Buffer, localPayloadSize, ( TickTime_t ){ RX_TIMEOUT_TICK_SIZE, 10000 } );
+ DemoInternalState = APP_IDLE;
+ }
+ else
+ {
+ switch( DemoInternalState )
+ {
+ case APP_RX:
+ break;
+
+ case APP_TX:
+ DemoInternalState = APP_IDLE;
+ LedBlink( );
+ // Send the next frame
+ IrqMask = IRQ_TX_DONE | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ for( i = 0; i < localPayloadSize; i++ )
+ {
+ Buffer[i] = ( uint8_t )rand( );
+ }
+// Radio.SetAutoFS( true ); // no need to relock the PLL between packets
+ Radio.SendPayload( Buffer, localPayloadSize, ( TickTime_t ){ RX_TIMEOUT_TICK_SIZE, 0xFFFF } );
+ break;
+
+ case APP_RX_TIMEOUT:
+ DemoInternalState = APP_IDLE;
+ break;
+
+ case APP_RX_ERROR:
+ DemoInternalState = APP_IDLE;
+ break;
+
+ case APP_TX_TIMEOUT:
+ DemoInternalState = APP_IDLE;
+ break;
+
+ case APP_IDLE:
+ break;
+
+ default:
+ break;
+ }
+ }
+ return 0;
+}
+
+// ************************* PER Demo ******************************
+// * *
+// * *
+// * *
+// *****************************************************************************
+uint8_t RunDemoApplicationPer( void )
+{
+ uint8_t i = 0;
+ uint8_t refreshDisplay = 0;
+
+ if( Eeprom.EepromData.DemoSettings.HoldDemo == true )
+ {
+ return 0;
+ }
+
+ if( DemoRunning == false )
+ {
+ DemoRunning = true;
+
+ printf( "Start RunDemoApplicationPer\n\r" );
+
+ TX_LED = 0;
+ RX_LED = 0;
+ SetAntennaSwitch( );
+ Eeprom.EepromData.DemoSettings.CntPacketTx = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO = 0;
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount = 0;
+
+ InitializeDemoParameters( Eeprom.EepromData.DemoSettings.ModulationType );
+
+ Eeprom.EepromData.DemoSettings.InterPacketDelay = GetTimeOnAir( Eeprom.EepromData.DemoSettings.ModulationType ) + RefreshScreenDelayMs;
+
+ if( Eeprom.EepromData.DemoSettings.Entity == MASTER )
+ {
+ SendNextPacket.attach_us( &SendNextPacketEvent, Eeprom.EepromData.DemoSettings.InterPacketDelay * 1000 );
+ DemoInternalState = APP_TX;
+ }
+ else
+ {
+ IrqMask = IRQ_RX_DONE | IRQ_CRC_ERROR | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ // Rx Single without timeout for the start
+ Radio.SetRx( ( TickTime_t ) { RX_TIMEOUT_TICK_SIZE, 0x0000 } );
+ DemoInternalState = APP_IDLE;
+ }
+ }
+
+ if( Eeprom.EepromData.DemoSettings.MaxNumPacket > 0 ) // != Infinite
+ {
+ if( ( Eeprom.EepromData.DemoSettings.CntPacketRxOK + \
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO + \
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount) >= \
+ Eeprom.EepromData.DemoSettings.MaxNumPacket )
+ {
+ RX_LED = 0;
+ TX_LED = 0;
+ DemoInternalState = APP_IDLE;
+ Radio.SetStandby( STDBY_RC );
+ SendNextPacket.detach( );
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ refreshDisplay = 1;
+ }
+ }
+
+ switch( DemoInternalState )
+ {
+ case PER_TX_START:
+ Eeprom.EepromData.DemoSettings.CntPacketTx++;
+ DemoInternalState = APP_IDLE;
+
+ Buffer[0] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 24 ) & 0xFF;
+ Buffer[1] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 16 ) & 0xFF;
+ Buffer[2] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 8 ) & 0xFF;
+ Buffer[3] = Eeprom.EepromData.DemoSettings.CntPacketTx & 0xFF;
+ Buffer[4] = PerMsg[0];
+ Buffer[5] = PerMsg[1];
+ Buffer[6] = PerMsg[2];
+ for( i = 7; i < Eeprom.EepromData.DemoSettings.PayloadLength; i++ )
+ {
+ Buffer[i] = i;
+ }
+ TX_LED = !TX_LED;
+ IrqMask = IRQ_TX_DONE | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ Radio.SendPayload( Buffer, Eeprom.EepromData.DemoSettings.PayloadLength, \
+ ( TickTime_t ){ RX_TIMEOUT_TICK_SIZE, \
+ Eeprom.EepromData.DemoSettings.InterPacketDelay } );
+ break;
+
+ case PER_RX_START:
+ IrqMask = IRQ_RX_DONE | IRQ_CRC_ERROR | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ Radio.SetRx( ( TickTime_t ) { RX_TIMEOUT_TICK_SIZE, \
+ Eeprom.EepromData.DemoSettings.InterPacketDelay + RX_TIMEOUT_MARGIN } );
+ DemoInternalState = APP_IDLE;
+ break;
+
+ case APP_TX:
+ if( SendNext == true )
+ {
+ SendNext = false;
+ if( Eeprom.EepromData.DemoSettings.MaxNumPacket == 0 )
+ {
+ DemoInternalState = PER_TX_START; // Infinite -> send next
+ refreshDisplay = 1;
+ }
+ else if( Eeprom.EepromData.DemoSettings.CntPacketTx < \
+ Eeprom.EepromData.DemoSettings.MaxNumPacket )
+ {
+ DemoInternalState = PER_TX_START; // MaxNumPacket not sent
+ refreshDisplay = 1;
+ }
+ else // MaxNumPacket sent -> end of demo
+ {
+ RX_LED = 0;
+ TX_LED = 0;
+ DemoInternalState = APP_IDLE;
+ Radio.SetStandby( STDBY_RC );
+ SendNextPacket.detach( );
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ refreshDisplay = 1;
+ }
+ }
+ break;
+
+ case APP_RX:
+ RX_LED = !RX_LED;
+ Radio.GetPayload( Buffer, &BufferSize, BUFFER_SIZE );
+ Radio.GetPacketStatus( &PacketStatus );
+ if( Eeprom.EepromData.DemoSettings.ModulationType == PACKET_TYPE_LORA )
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.LoRa.RssiPkt;
+ Eeprom.EepromData.DemoSettings.SnrValue = PacketStatus.LoRa.SnrPkt;
+ }
+ else if( Eeprom.EepromData.DemoSettings.ModulationType == PACKET_TYPE_FLRC )
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.Flrc.RssiSync;
+ Eeprom.EepromData.DemoSettings.SnrValue = 0;
+ }
+ else if( Eeprom.EepromData.DemoSettings.ModulationType == PACKET_TYPE_GFSK )
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.Gfsk.RssiSync;
+ Eeprom.EepromData.DemoSettings.SnrValue = 0;
+ }
+ DemoInternalState = PER_RX_START;
+ if( ( BufferSize >= PER_SIZE ) && ( strncmp( ( const char* )( Buffer + 4 ), ( const char* )PerMsg, PER_SIZE ) == 0 ) )
+ {
+ ComputePerPayload( Buffer, BufferSize );
+ refreshDisplay = 1;
+ }
+ else
+ {
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount++;
+ }
+ break;
+
+ case APP_RX_ERROR:
+ case APP_RX_TIMEOUT:
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount++;
+ DemoInternalState = PER_RX_START;
+ refreshDisplay = 1;
+ break;
+
+ case APP_TX_TIMEOUT:
+ printf( "Failure: timeout in Tx is shorter than the packet time on air\n\r" );
+ DemoInternalState = APP_IDLE;
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ refreshDisplay = 1;
+ break;
+
+ case APP_IDLE: // do nothing
+ break;
+
+ default:
+ break;
+ }
+ return refreshDisplay;
+}
+
+void ComputePerPayload( uint8_t *buffer, uint8_t bufferSize )
+{
+ uint32_t i = 0;
+
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK++;
+ PacketRxSequence = ( ( uint32_t )buffer[0] << 24 ) | \
+ ( ( uint32_t )buffer[1] << 16 ) | \
+ ( ( uint32_t )buffer[2] << 8 ) | \
+ buffer[3];
+
+ if( ( PacketRxSequence <= PacketRxSequencePrev ) || \
+ ( PacketRxSequencePrev == 0 ) )
+ {
+ // Sequence went back => resynchronization
+ // Don't count missed packets this time
+ i = 0;
+ }
+ else
+ {
+ // Determine number of missed packets
+ i = PacketRxSequence - PacketRxSequencePrev - 1;
+ }
+ // Be ready for the next
+ PacketRxSequencePrev = PacketRxSequence;
+ // increment 'missed' counter for the RX session
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO += i;
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount = 0;
+}
+
+// ************************ Ping Pong Demo *****************************
+// * *
+// * *
+// * *
+// *****************************************************************************
+uint8_t RunDemoApplicationPingPong( void )
+{
+ uint8_t i = 0;
+ uint8_t refreshDisplay = 0;
+
+ if( Eeprom.EepromData.DemoSettings.HoldDemo == true )
+ {
+ return 0; // quit without refresh display
+ }
+
+ if( DemoRunning == false )
+ {
+ DemoRunning = true;
+ TX_LED = 0;
+ RX_LED = 0;
+ SetAntennaSwitch( );
+ Eeprom.EepromData.DemoSettings.CntPacketTx = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxOKSlave = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxKOSlave = 0;
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount = 0;
+
+ InitializeDemoParameters( Eeprom.EepromData.DemoSettings.ModulationType );
+
+ Eeprom.EepromData.DemoSettings.InterPacketDelay = ( 2 * \
+ GetTimeOnAir( Eeprom.EepromData.DemoSettings.ModulationType ) ) + \
+ RX_TIMEOUT_MARGIN + RefreshScreenDelayMs;
+
+ printf( "Start RunDemoApplicationPingPong.\n\r" );
+ if( Eeprom.EepromData.DemoSettings.Entity == MASTER )
+ {
+ DemoInternalState = SEND_PING_MSG;
+ SendNextPacket.attach_us( &SendNextPacketEvent, \
+ ( Eeprom.EepromData.DemoSettings.InterPacketDelay * 1000 ) );
+ }
+ else
+ {
+ IrqMask = IRQ_RX_DONE | IRQ_CRC_ERROR | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ // Rx Single without timeout for the start
+ RX_LED = !RX_LED;
+ Radio.SetRx( ( TickTime_t ) { RX_TIMEOUT_TICK_SIZE, 0x0000 } );
+ DemoInternalState = APP_IDLE;
+ }
+ }
+
+ if( Eeprom.EepromData.DemoSettings.Entity == MASTER )
+ {
+ switch( DemoInternalState )
+ {
+ case SEND_PING_MSG:
+ if( ( Eeprom.EepromData.DemoSettings.MaxNumPacket != 0 ) \
+ && ( Eeprom.EepromData.DemoSettings.CntPacketTx >= Eeprom.EepromData.DemoSettings.MaxNumPacket ) )
+ {
+ SendNextPacket.detach( );
+ SendNext = false;
+ RX_LED = 0;
+ TX_LED = 0;
+ DemoInternalState = APP_IDLE;
+ Radio.SetStandby( STDBY_RC );
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ refreshDisplay = 1;
+ }
+ else
+ {
+ if( SendNext == true )
+ {
+ SendNext = false;
+
+ DemoInternalState = APP_IDLE;
+ Eeprom.EepromData.DemoSettings.CntPacketTx++;
+ // Send the next PING frame
+ Buffer[0] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 24 ) & 0xFF;
+ Buffer[1] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 16 ) & 0xFF;
+ Buffer[2] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 8 ) & 0xFF;
+ Buffer[3] = ( Eeprom.EepromData.DemoSettings.CntPacketTx & 0xFF );
+ Buffer[4] = PingMsg[0];
+ Buffer[5] = PingMsg[1];
+ Buffer[6] = PingMsg[2];
+ Buffer[7] = PingMsg[3];
+ for( i = 8; i < Eeprom.EepromData.DemoSettings.PayloadLength; i++ )
+ {
+ Buffer[i] = i;
+ }
+ TX_LED = !TX_LED;
+ IrqMask = IRQ_TX_DONE | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ Radio.SendPayload( Buffer, Eeprom.EepromData.DemoSettings.PayloadLength, \
+ ( TickTime_t ){ RX_TIMEOUT_TICK_SIZE, \
+ Eeprom.EepromData.DemoSettings.InterPacketDelay - \
+ ( RX_TIMEOUT_MARGIN / 2 ) } );
+ }
+ }
+ break;
+
+ case APP_TX:
+ DemoInternalState = APP_IDLE;
+ TX_LED = !TX_LED;
+ RX_LED = !RX_LED;
+ IrqMask = IRQ_RX_DONE | IRQ_CRC_ERROR | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ Radio.SetRx( ( TickTime_t ) { RX_TIMEOUT_TICK_SIZE, \
+ Eeprom.EepromData.DemoSettings.InterPacketDelay - \
+ ( RX_TIMEOUT_MARGIN / 2 ) } );
+ break;
+
+ case APP_RX:
+ RX_LED = !RX_LED;
+ Radio.GetPayload( Buffer, &BufferSize, BUFFER_SIZE );
+ Radio.GetPacketStatus( &PacketStatus );
+ if( Eeprom.EepromData.ModulationParams.PacketType == PACKET_TYPE_LORA )
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.LoRa.RssiPkt;
+ Eeprom.EepromData.DemoSettings.SnrValue = PacketStatus.LoRa.SnrPkt;
+ }
+ else if( Eeprom.EepromData.ModulationParams.PacketType == PACKET_TYPE_FLRC )
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.Flrc.RssiSync;
+ Eeprom.EepromData.DemoSettings.SnrValue = 0;
+ }
+ else if( Eeprom.EepromData.ModulationParams.PacketType == PACKET_TYPE_GFSK )
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.Gfsk.RssiSync;
+ Eeprom.EepromData.DemoSettings.SnrValue = 0;
+ }
+ if( ( BufferSize >= PINGPONG_SIZE ) && ( strncmp( ( const char* )( Buffer + 8 ), ( const char* )PongMsg, PINGPONG_SIZE ) == 0 ) )
+ {
+ ComputePingPongPayload( Buffer, BufferSize );
+ }
+ else
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO++;
+ }
+ DemoInternalState = SEND_PING_MSG;
+ refreshDisplay = 1;
+ break;
+
+ case APP_RX_TIMEOUT:
+ case APP_RX_ERROR:
+ RX_LED = !RX_LED;
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO++;
+ DemoInternalState = SEND_PING_MSG;
+ refreshDisplay = 1;
+ break;
+
+ case APP_TX_TIMEOUT:
+ printf( "Failure: timeout in Tx is shorter than the packet time on air\n\r" );
+ DemoInternalState = APP_IDLE;
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ refreshDisplay = 1;
+ break;
+
+ case APP_IDLE: // do nothing
+ break;
+
+ default:
+ break;
+ }
+ }
+ else // SLAVE
+ {
+ switch( DemoInternalState )
+ {
+ case SEND_PONG_MSG:
+ wait_ms( RX_TX_TRANSITION_WAIT );
+
+ DemoInternalState = APP_IDLE;
+ // Send the next PING frame
+ Buffer[0] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 24 ) & 0xFF;
+ Buffer[1] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 16 ) & 0xFF;
+ Buffer[2] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 8 ) & 0xFF;
+ Buffer[3] = ( Eeprom.EepromData.DemoSettings.CntPacketTx & 0xFF );
+ Buffer[4] = ( ( Eeprom.EepromData.DemoSettings.CntPacketRxKO + \
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount ) >> 24 ) & 0xFF;
+ Buffer[5] = ( ( Eeprom.EepromData.DemoSettings.CntPacketRxKO + \
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount ) >> 16 ) & 0xFF;
+ Buffer[6] = ( ( Eeprom.EepromData.DemoSettings.CntPacketRxKO + \
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount ) >> 8 ) & 0xFF;
+ Buffer[7] = ( ( Eeprom.EepromData.DemoSettings.CntPacketRxKO + \
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount ) & 0xFF );
+ Buffer[8] = PongMsg[0];
+ Buffer[9] = PongMsg[1];
+ Buffer[10] = PongMsg[2];
+ Buffer[11] = PongMsg[3];
+ for( i = 12; i < Eeprom.EepromData.DemoSettings.PayloadLength; i++ )
+ {
+ Buffer[i] = i;
+ }
+ TX_LED = !TX_LED;
+ IrqMask = IRQ_TX_DONE | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ Radio.SendPayload( Buffer, Eeprom.EepromData.DemoSettings.PayloadLength, \
+ ( TickTime_t ){ RX_TIMEOUT_TICK_SIZE, \
+ Eeprom.EepromData.DemoSettings.InterPacketDelay } );
+ break;
+
+ case APP_TX:
+ if( ( Eeprom.EepromData.DemoSettings.MaxNumPacket != 0 ) \
+ && ( ( Eeprom.EepromData.DemoSettings.CntPacketRxOK + Eeprom.EepromData.DemoSettings.CntPacketRxKO + \
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount ) >= Eeprom.EepromData.DemoSettings.MaxNumPacket ) )
+ {
+ SendNextPacket.detach( );
+ SendNext = false;
+ RX_LED = 0;
+ TX_LED = 0;
+ DemoInternalState = APP_IDLE;
+ Radio.SetStandby( STDBY_RC );
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ refreshDisplay = 1;
+ }
+ else
+ {
+ DemoInternalState = APP_IDLE;
+ TX_LED = !TX_LED;
+ RX_LED = !RX_LED;
+ IrqMask = IRQ_RX_DONE | IRQ_CRC_ERROR | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ Radio.SetRx( ( TickTime_t ){ RX_TIMEOUT_TICK_SIZE, \
+ Eeprom.EepromData.DemoSettings.InterPacketDelay } );
+ refreshDisplay = 1;
+ }
+ break;
+
+ case APP_RX:
+ DemoInternalState = APP_IDLE;
+ RX_LED = !RX_LED;
+ Radio.GetPayload( Buffer, &BufferSize, BUFFER_SIZE );
+ Radio.GetPacketStatus( &PacketStatus );
+ if( Eeprom.EepromData.ModulationParams.PacketType == PACKET_TYPE_LORA )
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.LoRa.RssiPkt;
+ Eeprom.EepromData.DemoSettings.SnrValue = PacketStatus.LoRa.SnrPkt;
+ }
+ else if( Eeprom.EepromData.ModulationParams.PacketType == PACKET_TYPE_FLRC )
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.Flrc.RssiSync;
+ Eeprom.EepromData.DemoSettings.SnrValue = 0;
+ }
+ else if( Eeprom.EepromData.ModulationParams.PacketType == PACKET_TYPE_GFSK )
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.Gfsk.RssiSync;
+ Eeprom.EepromData.DemoSettings.SnrValue = 0;
+ }
+ if( ( BufferSize >= PINGPONG_SIZE ) && ( strncmp( ( const char* )( Buffer + 4 ), ( const char* )PingMsg, PINGPONG_SIZE ) == 0 ) )
+ {
+ ComputePingPongPayload( Buffer, BufferSize );
+ DemoInternalState = SEND_PONG_MSG;
+ }
+ else
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO++;
+ RX_LED = !RX_LED;
+ IrqMask = IRQ_RX_DONE | IRQ_CRC_ERROR | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ Radio.SetRx( ( TickTime_t ) { RX_TIMEOUT_TICK_SIZE, \
+ Eeprom.EepromData.DemoSettings.InterPacketDelay } );
+ refreshDisplay = 1;
+ }
+ break;
+
+ case APP_RX_TIMEOUT:
+ case APP_RX_ERROR:
+ DemoInternalState = APP_IDLE;
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount++;
+ IrqMask = IRQ_RX_DONE | IRQ_CRC_ERROR | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ Radio.SetRx( ( TickTime_t ) { RX_TIMEOUT_TICK_SIZE, \
+ Eeprom.EepromData.DemoSettings.InterPacketDelay } );
+ refreshDisplay = 1;
+ break;
+
+ case APP_TX_TIMEOUT:
+ printf( "Failure: timeout in Tx is shorter than the packet time on air\n\r" );
+ DemoInternalState = APP_IDLE;
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ refreshDisplay = 1;
+ break;
+
+ case APP_IDLE: // do nothing
+ break;
+
+ default:
+ break;
+ }
+ }
+ return refreshDisplay;
+}
+
+void ComputePingPongPayload( uint8_t *buffer, uint8_t bufferSize )
+{
+ uint32_t i = 0;
+
+ PacketRxSequence = ( ( uint32_t )buffer[0] << 24 ) | \
+ ( ( uint32_t )buffer[1] << 16 ) | \
+ ( ( uint32_t )buffer[2] << 8 ) | \
+ buffer[3];
+
+ if( Eeprom.EepromData.DemoSettings.Entity == MASTER )
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxKOSlave =
+ ( ( uint32_t )buffer[4] << 24 ) | \
+ ( ( uint32_t )buffer[5] << 16 ) | \
+ ( ( uint32_t )buffer[6] << 8 ) | \
+ buffer[7];
+ if( PacketRxSequence > Eeprom.EepromData.DemoSettings.CntPacketRxKOSlave )
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxOKSlave = PacketRxSequence - \
+ Eeprom.EepromData.DemoSettings.CntPacketRxKOSlave;
+ }
+ else
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxOKSlave = 0;
+ }
+
+ if( PacketRxSequence == Eeprom.EepromData.DemoSettings.CntPacketTx )
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK += 1;
+ }
+ else
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO += 1;
+ }
+ }
+ else
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK += 1;
+ if( ( PacketRxSequence <= PacketRxSequencePrev ) || \
+ ( PacketRxSequencePrev == 0 ) )
+ {
+ // Sequence went back => resynchronization
+ // Don't count missed packets this time
+ i = 0;
+ }
+ else
+ {
+ // Determine number of missed packets
+ i = PacketRxSequence - PacketRxSequencePrev - 1;
+ }
+ // Be ready for the next
+ PacketRxSequencePrev = PacketRxSequence;
+ Eeprom.EepromData.DemoSettings.CntPacketTx = PacketRxSequence;
+ // increment 'missed' counter for the RX session
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO += i;
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount = 0;
+ }
+}
+
+// ************************ Ranging Demo *****************************
+// * *
+// * *
+// * *
+// *****************************************************************************
+uint8_t RunDemoApplicationRanging( void )
+{
+ uint8_t refreshDisplay = 0;
+
+ if( Eeprom.EepromData.DemoSettings.HoldDemo == true )
+ {
+ return 0; // quit without refresh display
+ }
+
+ if( DemoRunning == false )
+ {
+ DemoRunning = true;
+ TX_LED = 0;
+ RX_LED = 0;
+ ANT_SW = 1;
+
+ printf( "Start RunDemoApplicationRanging\r\n" );
+
+ Eeprom.EepromData.DemoSettings.CntPacketTx = 0;
+ Eeprom.EepromData.DemoSettings.RngFei = 0.0;
+ Eeprom.EepromData.DemoSettings.RngStatus = RNG_INIT;
+ InitializeDemoParameters( Eeprom.EepromData.DemoSettings.ModulationType );
+
+ if( Eeprom.EepromData.DemoSettings.Entity == MASTER )
+ {
+ Eeprom.EepromData.DemoSettings.InterPacketDelay = RefreshScreenDelayMs;
+ Radio.SetDioIrqParams( IRQ_RX_DONE | IRQ_TX_DONE | IRQ_RX_TX_TIMEOUT | IRQ_RANGING_MASTER_RESULT_VALID | IRQ_RANGING_MASTER_RESULT_TIMEOUT,
+ IRQ_RX_DONE | IRQ_TX_DONE | IRQ_RX_TX_TIMEOUT | IRQ_RANGING_MASTER_RESULT_VALID | IRQ_RANGING_MASTER_RESULT_TIMEOUT,
+ IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ Eeprom.EepromData.DemoSettings.RngDistance = 0.0;
+ DemoInternalState = APP_RANGING_CONFIG;
+ }
+ else
+ {
+ Radio.SetDioIrqParams( IRQ_RADIO_ALL, IRQ_RADIO_ALL, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ DemoInternalState = APP_RANGING_CONFIG;
+ }
+ }
+
+ if( Eeprom.EepromData.DemoSettings.Entity == MASTER )
+ {
+ switch( DemoInternalState )
+ {
+ case APP_RANGING_CONFIG:
+ if( Eeprom.EepromData.DemoSettings.HoldDemo == false )
+ {
+ Eeprom.EepromData.DemoSettings.RngStatus = RNG_INIT;
+ Eeprom.EepromData.DemoSettings.CntPacketTx++;
+ ModulationParams.PacketType = PACKET_TYPE_LORA;
+ PacketParams.PacketType = PACKET_TYPE_LORA;
+ memcpy( &( ModulationParams.Params.LoRa.SpreadingFactor ), Eeprom.Buffer + MOD_RNG_SPREADF_EEPROM_ADDR, 1 );
+ memcpy( &( ModulationParams.Params.LoRa.Bandwidth ), Eeprom.Buffer + MOD_RNG_BW_EEPROM_ADDR, 1 );
+ memcpy( &( ModulationParams.Params.LoRa.CodingRate ), Eeprom.Buffer + MOD_RNG_CODERATE_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.PreambleLength ), Eeprom.Buffer + PAK_RNG_PREAMBLE_LEN_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.HeaderType ), Eeprom.Buffer + PAK_RNG_HEADERTYPE_EEPROM_ADDR, 1 );
+ PacketParams.Params.LoRa.PayloadLength = 7;
+ memcpy( &( PacketParams.Params.LoRa.CrcMode ), Eeprom.Buffer + PAK_RNG_CRC_MODE_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.InvertIQ ), Eeprom.Buffer + PAK_RNG_IQ_INV_EEPROM_ADDR, 1 );
+ Radio.SetPacketType( ModulationParams.PacketType );
+ Radio.WriteRegister( 0x880, Radio.ReadRegister( 0x880 ) & ( ~0x08 ) );
+ Radio.SetModulationParams( &ModulationParams );
+ Radio.SetPacketParams( &PacketParams );
+ Radio.SetRfFrequency( Eeprom.EepromData.DemoSettings.Frequency );
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxOKSlave = 0;
+ MeasuredChannels = 0;
+ CurrentChannel = 0;
+ Buffer[0] = ( Eeprom.EepromData.DemoSettings.RngAddress >> 24 ) & 0xFF;
+ Buffer[1] = ( Eeprom.EepromData.DemoSettings.RngAddress >> 16 ) & 0xFF;
+ Buffer[2] = ( Eeprom.EepromData.DemoSettings.RngAddress >> 8 ) & 0xFF;
+ Buffer[3] = ( Eeprom.EepromData.DemoSettings.RngAddress & 0xFF );
+ Buffer[4] = CurrentChannel; // set the first channel to use
+ Buffer[5] = Eeprom.EepromData.DemoSettings.RngAntenna; // set the antenna strategy
+ Buffer[6] = Eeprom.EepromData.DemoSettings.RngRequestCount; // set the number of hops
+ TX_LED = 1;
+ Radio.SendPayload( Buffer, PacketParams.Params.LoRa.PayloadLength, ( TickTime_t ){ RX_TIMEOUT_TICK_SIZE, RNG_COM_TIMEOUT } );
+ DemoInternalState = APP_IDLE;
+ }
+ break;
+
+ case APP_RNG:
+ if( SendNext == true )
+ {
+ SendNext = false;
+ MeasuredChannels++;
+ if( MeasuredChannels <= Eeprom.EepromData.DemoSettings.RngRequestCount )
+ {
+ Radio.SetRfFrequency( Channels[CurrentChannel] );
+ TX_LED = 1;
+ switch( Eeprom.EepromData.DemoSettings.RngAntenna )
+ {
+ case DEMO_RNG_ANT_1:
+ ANT_SW = 1; // ANT1
+ CurrentChannel++;
+ if( CurrentChannel >= CHANNELS )
+ {
+ CurrentChannel -= CHANNELS;
+ }
+ break;
+
+ case DEMO_RNG_ANT_2:
+ ANT_SW = 0; // ANT2
+ CurrentChannel++;
+ if( CurrentChannel >= CHANNELS )
+ {
+ CurrentChannel -= CHANNELS;
+ }
+ break;
+
+ case DEMO_RNG_ANT_BOTH:
+ if( ANT_SW == 1 )
+ {
+ ANT_SW = 0;
+ }
+ else
+ {
+ ANT_SW = 1;
+ CurrentChannel++;
+ if( CurrentChannel >= CHANNELS )
+ {
+ CurrentChannel -= CHANNELS;
+ }
+ }
+ break;
+ }
+ SetAntennaSwitch( );
+ DemoInternalState = APP_IDLE;
+ Radio.SetTx( ( TickTime_t ){ RADIO_TICK_SIZE_1000_US, 0xFFFF } );
+ }
+ else
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxOKSlave = CheckDistance( );
+ refreshDisplay = 1;
+ SendNextPacket.detach( );
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ SendNext = false;
+ DemoInternalState = APP_RANGING_CONFIG;
+ }
+ }
+ break;
+
+ case APP_RANGING_DONE:
+ TX_LED = 0;
+ RawRngResults[RngResultIndex++] = Radio.GetRangingResult( RANGING_RESULT_RAW );
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK++;
+ DemoInternalState = APP_RNG;
+ break;
+
+ case APP_RANGING_TIMEOUT:
+ TX_LED = 0;
+ DemoInternalState = APP_RNG;
+ break;
+
+ case APP_RX:
+ RX_LED = 0;
+ if( Eeprom.EepromData.DemoSettings.RngStatus == RNG_INIT )
+ {
+ Radio.GetPayload( Buffer, &BufferSize, BUFFER_SIZE );
+ if( BufferSize > 0 )
+ {
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount = 0;
+ Eeprom.EepromData.DemoSettings.RngStatus = RNG_PROCESS;
+ Eeprom.EepromData.DemoSettings.RngFei = ( double )( ( ( int32_t )Buffer[4] << 24 ) | \
+ ( ( int32_t )Buffer[5] << 16 ) | \
+ ( ( int32_t )Buffer[6] << 8 ) | \
+ Buffer[7] );
+ Eeprom.EepromData.DemoSettings.RssiValue = Buffer[8]; // for ranging post-traitment (since V3 only)
+ ModulationParams.PacketType = PACKET_TYPE_RANGING;
+ PacketParams.PacketType = PACKET_TYPE_RANGING;
+
+ memcpy( &( ModulationParams.Params.LoRa.SpreadingFactor ), Eeprom.Buffer + MOD_RNG_SPREADF_EEPROM_ADDR, 1 );
+ memcpy( &( ModulationParams.Params.LoRa.Bandwidth ), Eeprom.Buffer + MOD_RNG_BW_EEPROM_ADDR, 1 );
+ memcpy( &( ModulationParams.Params.LoRa.CodingRate ), Eeprom.Buffer + MOD_RNG_CODERATE_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.PreambleLength ), Eeprom.Buffer + PAK_RNG_PREAMBLE_LEN_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.HeaderType ), Eeprom.Buffer + PAK_RNG_HEADERTYPE_EEPROM_ADDR, 1 );
+ PacketParams.Params.LoRa.PayloadLength = 10;
+ memcpy( &( PacketParams.Params.LoRa.CrcMode ), Eeprom.Buffer + PAK_RNG_CRC_MODE_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.InvertIQ ), Eeprom.Buffer + PAK_RNG_IQ_INV_EEPROM_ADDR, 1 );
+
+ Radio.SetPacketType( ModulationParams.PacketType );
+ Radio.WriteRegister( 0x880, Radio.ReadRegister( 0x880 ) & ( ~0x08 ) );
+ Radio.SetModulationParams( &ModulationParams );
+ Radio.SetPacketParams( &PacketParams );
+ Radio.SetRangingRequestAddress( Eeprom.EepromData.DemoSettings.RngAddress );
+ Radio.SetRangingCalibration( Eeprom.EepromData.DemoSettings.RngCalib );
+ Radio.SetTxParams( Eeprom.EepromData.DemoSettings.TxPower, RADIO_RAMP_20_US );
+
+ MeasuredChannels = 0;
+ RngResultIndex = 0;
+ SendNextPacket.attach_us( &SendNextPacketEvent, Eeprom.EepromData.DemoSettings.RngReqDelay * 1000 );
+ DemoInternalState = APP_RNG;
+ }
+ else
+ {
+ DemoInternalState = APP_RANGING_CONFIG;
+ }
+ }
+ else
+ {
+ DemoInternalState = APP_RANGING_CONFIG;
+ }
+ break;
+
+ case APP_TX:
+ TX_LED = 0;
+ if( Eeprom.EepromData.DemoSettings.RngStatus == RNG_INIT )
+ {
+ RX_LED = 1;
+ Radio.SetRx( ( TickTime_t ) { RX_TIMEOUT_TICK_SIZE, RNG_COM_TIMEOUT } );
+ DemoInternalState = APP_IDLE;
+ }
+ else
+ {
+ DemoInternalState = APP_RANGING_CONFIG;
+ }
+ break;
+
+ case APP_RX_TIMEOUT:
+ RX_LED = 0;
+ Eeprom.EepromData.DemoSettings.RngStatus = RNG_TIMEOUT;
+ DemoInternalState = APP_RANGING_CONFIG;
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ refreshDisplay = 1; // display error on token color (RNG_TIMEOUT)
+ break;
+
+ case APP_RX_ERROR:
+ RX_LED = 0;
+ DemoInternalState = APP_RANGING_CONFIG;
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ break;
+
+ case APP_TX_TIMEOUT:
+ TX_LED = 0;
+ DemoInternalState = APP_RANGING_CONFIG;
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ break;
+
+ case APP_IDLE: // do nothing
+ break;
+
+ default:
+ DemoInternalState = APP_RANGING_CONFIG;
+ Eeprom.EepromData.DemoSettings.HoldDemo = true;
+ break;
+ }
+ }
+ else // Slave
+ {
+ switch( DemoInternalState )
+ {
+ case APP_RANGING_CONFIG:
+ Eeprom.EepromData.DemoSettings.RngStatus = RNG_INIT;
+ ModulationParams.PacketType = PACKET_TYPE_LORA;
+ PacketParams.PacketType = PACKET_TYPE_LORA;
+ memcpy( &( ModulationParams.Params.LoRa.SpreadingFactor ), Eeprom.Buffer + MOD_RNG_SPREADF_EEPROM_ADDR, 1 );
+ memcpy( &( ModulationParams.Params.LoRa.Bandwidth ), Eeprom.Buffer + MOD_RNG_BW_EEPROM_ADDR, 1 );
+ memcpy( &( ModulationParams.Params.LoRa.CodingRate ), Eeprom.Buffer + MOD_RNG_CODERATE_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.PreambleLength ), Eeprom.Buffer + PAK_RNG_PREAMBLE_LEN_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.HeaderType ), Eeprom.Buffer + PAK_RNG_HEADERTYPE_EEPROM_ADDR, 1 );
+ PacketParams.Params.LoRa.PayloadLength = 9;
+ memcpy( &( PacketParams.Params.LoRa.CrcMode ), Eeprom.Buffer + PAK_RNG_CRC_MODE_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.InvertIQ ), Eeprom.Buffer + PAK_RNG_IQ_INV_EEPROM_ADDR, 1 );
+ Radio.SetPacketType( ModulationParams.PacketType );
+ Radio.WriteRegister( 0x880, Radio.ReadRegister( 0x880 ) & ( ~0x08 ) );
+ Radio.SetModulationParams( &ModulationParams );
+ Radio.SetPacketParams( &PacketParams );
+ Radio.SetRfFrequency( Eeprom.EepromData.DemoSettings.Frequency );
+ RX_LED = 1;
+ // use listen mode here instead of rx continuous
+ Radio.SetRx( ( TickTime_t ) { RADIO_TICK_SIZE_1000_US, 0xFFFF } );
+ DemoInternalState = APP_IDLE;
+ break;
+
+ case APP_RNG:
+ if( SendNext == true )
+ {
+ SendNext = false;
+ MeasuredChannels++;
+ if( MeasuredChannels <= Eeprom.EepromData.DemoSettings.RngRequestCount )
+ {
+ Radio.SetRfFrequency( Channels[CurrentChannel] );
+ RX_LED = 1;
+ switch( Eeprom.EepromData.DemoSettings.RngAntenna )
+ {
+ case DEMO_RNG_ANT_1:
+ ANT_SW = 1; // ANT1
+ CurrentChannel++;
+ if( CurrentChannel >= CHANNELS )
+ {
+ CurrentChannel -= CHANNELS;
+ }
+ break;
+
+ case DEMO_RNG_ANT_2:
+ ANT_SW = 0; // ANT2
+ CurrentChannel++;
+ if( CurrentChannel >= CHANNELS )
+ {
+ CurrentChannel -= CHANNELS;
+ }
+ break;
+
+ case DEMO_RNG_ANT_BOTH:
+ if( ANT_SW == 1 )
+ {
+ ANT_SW = 0;
+ }
+ else
+ {
+ ANT_SW = 1;
+ CurrentChannel++;
+ if( CurrentChannel >= CHANNELS )
+ {
+ CurrentChannel -= CHANNELS;
+ }
+ }
+ break;
+ }
+ SetAntennaSwitch( );
+ DemoInternalState = APP_IDLE;
+ Radio.SetRx( ( TickTime_t ){ RADIO_TICK_SIZE_1000_US, Eeprom.EepromData.DemoSettings.RngReqDelay } );
+ }
+ else
+ {
+ refreshDisplay = 1;
+ SendNextPacket.detach( );
+ Eeprom.EepromData.DemoSettings.RngStatus = RNG_VALID;
+ DemoInternalState = APP_RANGING_CONFIG;
+ }
+ }
+ break;
+
+ case APP_RANGING_DONE:
+ RX_LED = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK++;
+ DemoInternalState = APP_RNG;
+ break;
+
+ case APP_RANGING_TIMEOUT:
+ RX_LED = 0;
+ DemoInternalState = APP_RNG;
+ break;
+
+ case APP_RX:
+ RX_LED = 0;
+ if( Eeprom.EepromData.DemoSettings.RngStatus == RNG_INIT )
+ {
+ Radio.GetPayload( Buffer, &BufferSize, BUFFER_SIZE );
+ if( ( BufferSize > 0 ) && \
+ ( Buffer[0] == ( ( Eeprom.EepromData.DemoSettings.RngAddress >> 24 ) & 0xFF ) ) && \
+ ( Buffer[1] == ( ( Eeprom.EepromData.DemoSettings.RngAddress >> 16 ) & 0xFF ) ) && \
+ ( Buffer[2] == ( ( Eeprom.EepromData.DemoSettings.RngAddress >> 8 ) & 0xFF ) ) && \
+ ( Buffer[3] == ( Eeprom.EepromData.DemoSettings.RngAddress & 0xFF ) ) )
+ {
+ Eeprom.EepromData.DemoSettings.RngFei = Radio.GetFrequencyError( );
+ Eeprom.EepromData.DemoSettings.RssiValue = Radio.GetRssiInst( );
+ Eeprom.EepromData.DemoSettings.CntPacketTx++;
+ CurrentChannel = Buffer[4];
+ Eeprom.EepromData.DemoSettings.RngAntenna = Buffer[5];
+ Eeprom.EepromData.DemoSettings.RngRequestCount = Buffer[6];
+ wait_us( 10 );
+ Buffer[4] = ( ( ( int32_t )Eeprom.EepromData.DemoSettings.RngFei ) >> 24 ) & 0xFF ;
+ Buffer[5] = ( ( ( int32_t )Eeprom.EepromData.DemoSettings.RngFei ) >> 16 ) & 0xFF ;
+ Buffer[6] = ( ( ( int32_t )Eeprom.EepromData.DemoSettings.RngFei ) >> 8 ) & 0xFF ;
+ Buffer[7] = ( ( ( int32_t )Eeprom.EepromData.DemoSettings.RngFei ) & 0xFF );
+ Buffer[8] = Eeprom.EepromData.DemoSettings.RssiValue;
+ TX_LED = 1;
+ Radio.SendPayload( Buffer, 9, ( TickTime_t ){ RADIO_TICK_SIZE_1000_US, RNG_COM_TIMEOUT } );
+ DemoInternalState = APP_IDLE;
+ }
+ }
+ else
+ {
+ DemoInternalState = APP_RANGING_CONFIG;
+ }
+ break;
+
+ case APP_TX:
+ TX_LED = 0;
+ if( Eeprom.EepromData.DemoSettings.RngStatus == RNG_INIT )
+ {
+ Eeprom.EepromData.DemoSettings.RngStatus = RNG_PROCESS;
+
+ ModulationParams.PacketType = PACKET_TYPE_RANGING;
+ PacketParams.PacketType = PACKET_TYPE_RANGING;
+
+ memcpy( &( ModulationParams.Params.LoRa.SpreadingFactor ), Eeprom.Buffer + MOD_RNG_SPREADF_EEPROM_ADDR, 1 );
+ memcpy( &( ModulationParams.Params.LoRa.Bandwidth ), Eeprom.Buffer + MOD_RNG_BW_EEPROM_ADDR, 1 );
+ memcpy( &( ModulationParams.Params.LoRa.CodingRate ), Eeprom.Buffer + MOD_RNG_CODERATE_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.PreambleLength ), Eeprom.Buffer + PAK_RNG_PREAMBLE_LEN_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.HeaderType ), Eeprom.Buffer + PAK_RNG_HEADERTYPE_EEPROM_ADDR, 1 );
+ PacketParams.Params.LoRa.PayloadLength = 10;
+ memcpy( &( PacketParams.Params.LoRa.CrcMode ), Eeprom.Buffer + PAK_RNG_CRC_MODE_EEPROM_ADDR, 1 );
+ memcpy( &( PacketParams.Params.LoRa.InvertIQ ), Eeprom.Buffer + PAK_RNG_IQ_INV_EEPROM_ADDR, 1 );
+
+ Radio.SetPacketType( ModulationParams.PacketType );
+ Radio.WriteRegister( 0x880, Radio.ReadRegister( 0x880 ) & ( ~0x08 ) );
+ Radio.SetModulationParams( &ModulationParams );
+ Radio.SetPacketParams( &PacketParams );
+ Radio.SetDeviceRangingAddress( Eeprom.EepromData.DemoSettings.RngAddress );
+ Radio.SetRangingCalibration( Eeprom.EepromData.DemoSettings.RngCalib );
+ Radio.SetTxParams( Eeprom.EepromData.DemoSettings.TxPower, RADIO_RAMP_20_US );
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK = 0;
+ MeasuredChannels = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxKOSlave = 0;
+ SendNextPacket.attach_us( &SendNextPacketEvent, Eeprom.EepromData.DemoSettings.RngReqDelay * 1000 );
+ DemoInternalState = APP_RNG;
+ }
+ else
+ {
+ DemoInternalState = APP_RANGING_CONFIG;
+ }
+ break;
+
+ case APP_RX_TIMEOUT:
+ RX_LED = 0;
+ DemoInternalState = APP_RANGING_CONFIG;
+ break;
+
+ case APP_RX_ERROR:
+ RX_LED = 0;
+ DemoInternalState = APP_RANGING_CONFIG;
+ break;
+
+ case APP_TX_TIMEOUT:
+ TX_LED = 0;
+ DemoInternalState = APP_RANGING_CONFIG;
+ break;
+
+ case APP_IDLE: // do nothing
+ if( Eeprom.EepromData.DemoSettings.CntPacketRxKOSlave > DEMO_RNG_CHANNELS_COUNT_MAX )
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxKOSlave = 0;
+ refreshDisplay = 1;
+ RX_LED = 0;
+ DemoInternalState = APP_RANGING_CONFIG;
+ SendNextPacket.detach( );
+ }
+ break;
+
+ default:
+ DemoInternalState = APP_RANGING_CONFIG;
+ SendNextPacket.detach( );
+ break;
+ }
+ }
+ return refreshDisplay;
+}
+
+// ************************ Utils ****************************
+// * *
+// * *
+// * *
+// *****************************************************************************
+
+void InitDemoApplication( void )
+{
+ RX_LED = 1;
+ TX_LED = 1;
+
+ SetAntennaSwitch( );
+
+ wait_ms( 500 ); // wait for on board DC/DC start-up time
+
+ Radio.Init( );
+
+ Radio.ReadRegister( 0x0A08, &BackupReg_1, 1 );
+ Radio.ReadRegister( 0x0A07, &BackupReg_2, 1 );
+ Radio.ReadRegister( 0x0A23, &BackupReg_3, 1 );
+ Radio.ReadRegister( 0x0A41, &BackupReg_4, 1 );
+ Radio.ReadRegister( 0x0A42, &BackupReg_5, 1 );
+ Radio.ReadRegister( 0x0A43, &BackupReg_6, 1 );
+
+ // Can also be set in LDO mode but consume more power
+ Radio.SetRegulatorMode( ( RadioRegulatorModes_t )Eeprom.EepromData.DemoSettings.RadioPowerMode );
+ Radio.SetStandby( STDBY_RC );
+
+ memset( &Buffer, 0x00, BufferSize );
+
+ RX_LED = 0;
+ TX_LED = 0;
+
+ PacketRxSequence = 0;
+ PacketRxSequencePrev = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketTx = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO = 0;
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount = 0;
+}
+
+void StopDemoApplication( void )
+{
+ if( DemoRunning == true )
+ {
+ __disable_irq( ); // Disable Interrupts
+
+ printf( "StopDemoApplication\n\r" );
+ if( Radio.GetOpMode( ) == MODE_SLEEP )
+ {
+ InitializeDemoParameters( Eeprom.EepromData.DemoSettings.ModulationType );
+ }
+ RX_LED = 0;
+ TX_LED = 0;
+ DemoRunning = false;
+ SendNext = false;
+ PacketRxSequence = 0;
+ PacketRxSequencePrev = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketTx = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO = 0;
+ Eeprom.EepromData.DemoSettings.RxTimeOutCount = 0;
+
+ Radio.SetAutoFs( false );
+ DemoInternalState = APP_IDLE;
+ Radio.SetStandby( STDBY_RC );
+ Radio.ClearIrqStatus( IRQ_RADIO_ALL );
+ SendNextPacket.detach( );
+
+ __enable_irq( ); // Enable Interrupts
+ }
+}
+
+/*
+ * Function still being implemented >>> To be completed
+ * WARNING: Computation is in float and his really slow
+ * LongInterLeaving vs LegacyInterLeaving has no influence on TimeOnAir.
+ */
+uint16_t GetTimeOnAir( uint8_t modulation )
+{
+ uint16_t result = 2000;
+
+ if( modulation == PACKET_TYPE_LORA )
+ {
+ double bw = 0.0;
+
+ switch( Eeprom.EepromData.ModulationParams.Params.LoRa.Bandwidth )
+ {
+ case LORA_BW_0200:
+ bw = 203e3;
+ break;
+
+ case LORA_BW_0400:
+ bw = 406e3;
+ break;
+
+ case LORA_BW_0800:
+ bw = 812e3;
+ break;
+
+ case LORA_BW_1600:
+ bw = 1625e3;
+ break;
+
+ default:
+ bw = 100e3;
+ break;
+ }
+ double rs = bw / ( 1 << ( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) ); // Symbol rate : time for one symbol (secs)
+ double ts = 1 / rs;
+ double tPreamble = ( Eeprom.EepromData.PacketParams.Params.LoRa.PreambleLength + 4.25 ) * ts; // time of preamble
+ uint8_t de = 1; // always 1 on SX1280. "low data rate optimization" condition.
+ double tmp = ceil( ( 8 * Eeprom.EepromData.PacketParams.Params.LoRa.PayloadLength - 4 * ( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) +
+ 28 + 16 * ( ( Eeprom.EepromData.PacketParams.Params.LoRa.CrcMode == 0x00 ) ? 0 : 1 ) - \
+ ( ( Eeprom.EepromData.PacketParams.Params.LoRa.HeaderType >> 7 ) ? 20 : 0 ) ) / \
+ ( double )( 4 * ( ( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) - ( de * 2 ) ) ) * \
+ ( ( Eeprom.EepromData.ModulationParams.Params.LoRa.CodingRate % 4 ) + 4 ) ); // Symbol length of payload and time
+ double nPayload = 8 + ( ( tmp > 0 ) ? tmp : 0 );
+ double tPayload = nPayload * ts;
+
+ // Time on air [ms]
+ result = floor( ( ( tPreamble + tPayload ) * 1000 * 1.2 ) + 0.999 ); // Set some margin
+ result *= 1.8; // Set some margin
+ }
+ else if( modulation == PACKET_TYPE_FLRC )
+ {
+ uint16_t packetBitCount;
+
+ switch( Eeprom.EepromData.PacketParams.Params.Flrc.PreambleLength )
+ {
+ case PREAMBLE_LENGTH_04_BITS: // Preamble length: 04 bits
+ case PREAMBLE_LENGTH_08_BITS: // Preamble length: 08 bits
+ packetBitCount = 1;
+ break;
+
+ case PREAMBLE_LENGTH_12_BITS: // Preamble length: 12 bits
+ case PREAMBLE_LENGTH_16_BITS: // Preamble length: 16 bits
+ packetBitCount = 2;
+ break;
+
+ case PREAMBLE_LENGTH_20_BITS: // Preamble length: 20 bits
+ case PREAMBLE_LENGTH_24_BITS: // Preamble length: 24 bits
+ packetBitCount = 3;
+ break;
+
+ case PREAMBLE_LENGTH_28_BITS: // Preamble length: 28 bits
+ case PREAMBLE_LENGTH_32_BITS: // Preamble length: 32 bits
+ packetBitCount = 4;
+ break;
+
+ default:
+ packetBitCount = 4;
+ break;
+ }
+ packetBitCount += 3; // Preamble 21 bits
+ switch( Eeprom.EepromData.PacketParams.Params.Flrc.SyncWordLength )
+ {
+ case FLRC_SYNCWORD_LENGTH_4_BYTE:
+ packetBitCount += 4;
+ break;
+
+ case FLRC_NO_SYNCWORD:
+ default:
+ break;
+ }
+ switch( Eeprom.EepromData.ModulationParams.Params.Flrc.CodingRate )
+ {
+ // += 7; // CRC length is maximum 4 bytes (short-cut) + 2 Header + 6 bits Tail
+ case FLRC_CR_3_4:
+ packetBitCount += ( uint16_t )( ceil( ( ( float )( Eeprom.EepromData.PacketParams.Params.Flrc.PayloadLength + 7 ) * 4 ) / 3 ) );
+ break;
+
+ case FLRC_CR_1_0:
+ packetBitCount += Eeprom.EepromData.PacketParams.Params.Flrc.PayloadLength + 7;
+ break;
+
+ default:
+ case FLRC_CR_1_2:
+ packetBitCount += ( Eeprom.EepromData.PacketParams.Params.Flrc.PayloadLength + 7 ) * 2;
+ break;
+ }
+ packetBitCount *= 8;
+ switch( Eeprom.EepromData.ModulationParams.Params.Flrc.BitrateBandwidth )
+ {
+ case FLRC_BR_1_300_BW_1_2:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 1300 ) );
+ break;
+
+ case FLRC_BR_1_040_BW_1_2:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 1040 ) );
+ break;
+
+ case FLRC_BR_0_650_BW_0_6:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 650 ) );
+ break;
+
+ case FLRC_BR_0_520_BW_0_6:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 520 ) );
+ break;
+
+ case FLRC_BR_0_325_BW_0_3:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 325 ) );
+ break;
+
+ default:
+ case FLRC_BR_0_260_BW_0_3:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 260 ) );
+ break;
+ }
+ result *= 2; // Set some margin
+ }
+ else if( modulation == PACKET_TYPE_GFSK )
+ {
+ uint16_t packetBitCount;
+
+ switch( Eeprom.EepromData.PacketParams.Params.Gfsk.PreambleLength )
+ {
+ case PREAMBLE_LENGTH_04_BITS: // Preamble length: 04 bits
+ case PREAMBLE_LENGTH_08_BITS: // Preamble length: 08 bits
+ packetBitCount = 1;
+ break;
+
+ case PREAMBLE_LENGTH_12_BITS: // Preamble length: 12 bits
+ case PREAMBLE_LENGTH_16_BITS: // Preamble length: 16 bits
+ packetBitCount = 2;
+ break;
+
+ case PREAMBLE_LENGTH_20_BITS: // Preamble length: 20 bits
+ case PREAMBLE_LENGTH_24_BITS: // Preamble length: 24 bits
+ packetBitCount = 3;
+ break;
+
+ case PREAMBLE_LENGTH_28_BITS: // Preamble length: 28 bits
+ case PREAMBLE_LENGTH_32_BITS: // Preamble length: 32 bits
+ packetBitCount = 4;
+ break;
+
+ default:
+ packetBitCount = 4;
+ break;
+ }
+ switch( Eeprom.EepromData.PacketParams.Params.Gfsk.SyncWordLength )
+ {
+ case GFSK_SYNCWORD_LENGTH_1_BYTE: // Sync word length: 1 byte
+ packetBitCount += 1;
+ break;
+
+ case GFSK_SYNCWORD_LENGTH_2_BYTE: // Sync word length: 2 bytes
+ packetBitCount += 2;
+ break;
+
+ case GFSK_SYNCWORD_LENGTH_3_BYTE: // Sync word length: 3 bytes
+ packetBitCount += 3;
+ break;
+
+ case GFSK_SYNCWORD_LENGTH_4_BYTE: // Sync word length: 4 bytes
+ packetBitCount += 4;
+ break;
+
+ case GFSK_SYNCWORD_LENGTH_5_BYTE: // Sync word length: 5 bytes
+ packetBitCount += 5;
+ break;
+
+ default:
+ packetBitCount += 5;
+ break;
+ }
+ packetBitCount += Eeprom.EepromData.PacketParams.Params.Gfsk.PayloadLength + 3;
+ packetBitCount *= 8;
+ switch( Eeprom.EepromData.ModulationParams.Params.Gfsk.BitrateBandwidth )
+ {
+ case GFSK_BLE_BR_2_000_BW_2_4:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 2000 ) );
+ break;
+
+ case GFSK_BLE_BR_1_600_BW_2_4:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 1600 ) );
+ break;
+
+ case GFSK_BLE_BR_1_000_BW_2_4:
+ case GFSK_BLE_BR_1_000_BW_1_2:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 1000 ) );
+ break;
+
+ case GFSK_BLE_BR_0_800_BW_2_4:
+ case GFSK_BLE_BR_0_800_BW_1_2:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 800 ) );
+ break;
+
+ case GFSK_BLE_BR_0_500_BW_1_2:
+ case GFSK_BLE_BR_0_500_BW_0_6:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 500 ) );
+ break;
+
+ case GFSK_BLE_BR_0_400_BW_1_2:
+ case GFSK_BLE_BR_0_400_BW_0_6:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 400 ) );
+ break;
+
+ case GFSK_BLE_BR_0_250_BW_0_6:
+ case GFSK_BLE_BR_0_250_BW_0_3:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 250 ) );
+ break;
+
+ case GFSK_BLE_BR_0_125_BW_0_3:
+ result = ( uint16_t )( ceil( ( float )packetBitCount / 125 ) );
+ break;
+
+ default:
+ result = 100;
+ break;
+ }
+ result *= 1.5; // Set 50% margin
+ }
+ return result;
+}
+
+void InitializeDemoParameters( uint8_t modulation )
+{
+/*
+ SetAntennaSwitch( );
+ Radio.Init( );
+*/
+ Radio.SetStandby( STDBY_RC );
+
+ Radio.SetRegulatorMode( ( RadioRegulatorModes_t )Eeprom.EepromData.DemoSettings.RadioPowerMode );
+
+ printf("> InitializeDemoParameters\n\r");
+ if( modulation == PACKET_TYPE_LORA )
+ {
+ printf("set param LORA for demo\n\r");
+ ModulationParams.PacketType = PACKET_TYPE_LORA;
+ PacketParams.PacketType = PACKET_TYPE_LORA;
+
+ ModulationParams.Params.LoRa.SpreadingFactor = ( RadioLoRaSpreadingFactors_t ) Eeprom.EepromData.DemoSettings.ModulationParam1;
+ ModulationParams.Params.LoRa.Bandwidth = ( RadioLoRaBandwidths_t ) Eeprom.EepromData.DemoSettings.ModulationParam2;
+ ModulationParams.Params.LoRa.CodingRate = ( RadioLoRaCodingRates_t ) Eeprom.EepromData.DemoSettings.ModulationParam3;
+ PacketParams.Params.LoRa.PreambleLength = Eeprom.EepromData.DemoSettings.PacketParam1;
+ PacketParams.Params.LoRa.HeaderType = ( RadioLoRaPacketLengthsModes_t )Eeprom.EepromData.DemoSettings.PacketParam2;
+ PacketParams.Params.LoRa.PayloadLength = Eeprom.EepromData.DemoSettings.PacketParam3;
+ PacketParams.Params.LoRa.CrcMode = ( RadioLoRaCrcModes_t ) Eeprom.EepromData.DemoSettings.PacketParam4;
+ PacketParams.Params.LoRa.InvertIQ = ( RadioLoRaIQModes_t ) Eeprom.EepromData.DemoSettings.PacketParam5;
+
+ Eeprom.EepromData.DemoSettings.PayloadLength = PacketParams.Params.LoRa.PayloadLength;
+ }
+ else if( modulation == PACKET_TYPE_FLRC )
+ {
+ printf("set param FLRC for demo\n\r");
+ ModulationParams.PacketType = PACKET_TYPE_FLRC;
+ PacketParams.PacketType = PACKET_TYPE_FLRC;
+
+ ModulationParams.Params.Flrc.BitrateBandwidth = ( RadioFlrcBitrates_t ) Eeprom.EepromData.DemoSettings.ModulationParam1;
+ ModulationParams.Params.Flrc.CodingRate = ( RadioFlrcCodingRates_t ) Eeprom.EepromData.DemoSettings.ModulationParam2;
+ ModulationParams.Params.Flrc.ModulationShaping = ( RadioModShapings_t ) Eeprom.EepromData.DemoSettings.ModulationParam3;
+ PacketParams.Params.Flrc.PreambleLength = ( RadioPreambleLengths_t ) Eeprom.EepromData.DemoSettings.PacketParam1;
+ PacketParams.Params.Flrc.SyncWordLength = ( RadioFlrcSyncWordLengths_t )Eeprom.EepromData.DemoSettings.PacketParam2;
+ PacketParams.Params.Flrc.SyncWordMatch = ( RadioSyncWordRxMatchs_t ) Eeprom.EepromData.DemoSettings.PacketParam3;
+ PacketParams.Params.Flrc.HeaderType = ( RadioPacketLengthModes_t ) Eeprom.EepromData.DemoSettings.PacketParam4;
+ PacketParams.Params.Flrc.PayloadLength = Eeprom.EepromData.DemoSettings.PacketParam5;
+ PacketParams.Params.Flrc.CrcLength = ( RadioCrcTypes_t ) Eeprom.EepromData.DemoSettings.PacketParam6;
+ PacketParams.Params.Flrc.Whitening = ( RadioWhiteningModes_t ) Eeprom.EepromData.DemoSettings.PacketParam7;
+
+ Eeprom.EepromData.DemoSettings.PayloadLength = PacketParams.Params.Flrc.PayloadLength;
+ }
+ else if( modulation == PACKET_TYPE_GFSK )
+ {
+ printf("set param GFSK for demo\n\r");
+ ModulationParams.PacketType = PACKET_TYPE_GFSK;
+ PacketParams.PacketType = PACKET_TYPE_GFSK;
+
+ ModulationParams.Params.Gfsk.BitrateBandwidth = ( RadioGfskBleBitrates_t ) Eeprom.EepromData.DemoSettings.ModulationParam1;
+ ModulationParams.Params.Gfsk.ModulationIndex = ( RadioGfskBleModIndexes_t )Eeprom.EepromData.DemoSettings.ModulationParam2;
+ ModulationParams.Params.Gfsk.ModulationShaping = ( RadioModShapings_t ) Eeprom.EepromData.DemoSettings.ModulationParam3;
+ PacketParams.Params.Gfsk.PreambleLength = ( RadioPreambleLengths_t ) Eeprom.EepromData.DemoSettings.PacketParam1;
+ PacketParams.Params.Gfsk.SyncWordLength = ( RadioSyncWordLengths_t ) Eeprom.EepromData.DemoSettings.PacketParam2;
+ PacketParams.Params.Gfsk.SyncWordMatch = ( RadioSyncWordRxMatchs_t ) Eeprom.EepromData.DemoSettings.PacketParam3;
+ PacketParams.Params.Gfsk.HeaderType = ( RadioPacketLengthModes_t )Eeprom.EepromData.DemoSettings.PacketParam4;
+ PacketParams.Params.Gfsk.PayloadLength = Eeprom.EepromData.DemoSettings.PacketParam5;
+ PacketParams.Params.Gfsk.CrcLength = ( RadioCrcTypes_t ) Eeprom.EepromData.DemoSettings.PacketParam6;
+ PacketParams.Params.Gfsk.Whitening = ( RadioWhiteningModes_t ) Eeprom.EepromData.DemoSettings.PacketParam7;
+
+ Eeprom.EepromData.DemoSettings.PayloadLength = PacketParams.Params.Gfsk.PayloadLength;
+ }
+ if( modulation == PACKET_TYPE_RANGING )
+ {
+ Radio.SetBufferBaseAddresses( 0x00, 0x00 );
+ Radio.SetTxParams( Eeprom.EepromData.DemoSettings.TxPower, RADIO_RAMP_20_US );
+ memcpy( &( ModulationParams.Params.LoRa.SpreadingFactor ), Eeprom.Buffer + MOD_RNG_SPREADF_EEPROM_ADDR, 1 );
+ memcpy( &( ModulationParams.Params.LoRa.Bandwidth ), Eeprom.Buffer + MOD_RNG_BW_EEPROM_ADDR, 1 );
+ switch( Eeprom.EepromData.ModulationParams.Params.LoRa.Bandwidth )
+ {
+ case LORA_BW_0400:
+ Eeprom.EepromData.DemoSettings.RngCalib = RNG_CALIB_0400[ ( ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) - 5 ];
+ Eeprom.EepromData.DemoSettings.RngFeiFactor = ( double )RNG_FGRAD_0400[ ( ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) - 5 ];
+ Eeprom.EepromData.DemoSettings.RngReqDelay = RNG_TIMER_MS >> ( 0 + 10 - ( ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) );
+ break;
+
+ case LORA_BW_0800:
+ Eeprom.EepromData.DemoSettings.RngCalib = RNG_CALIB_0800[ ( ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) - 5 ];
+ Eeprom.EepromData.DemoSettings.RngFeiFactor = ( double )RNG_FGRAD_0800[ ( ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) - 5 ];
+ Eeprom.EepromData.DemoSettings.RngReqDelay = RNG_TIMER_MS >> ( 1 + 10 - ( ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) );
+ break;
+
+ case LORA_BW_1600:
+ Eeprom.EepromData.DemoSettings.RngCalib = RNG_CALIB_1600[ ( ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) - 5 ];
+ Eeprom.EepromData.DemoSettings.RngFeiFactor = ( double )RNG_FGRAD_1600[ ( ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) - 5 ];
+ Eeprom.EepromData.DemoSettings.RngReqDelay = RNG_TIMER_MS >> ( 2 + 10 - ( ModulationParams.Params.LoRa.SpreadingFactor >> 4 ) );
+ break;
+ }
+ }
+ else
+ {
+ Radio.SetStandby( STDBY_RC );
+ Radio.SetPacketType( ModulationParams.PacketType );
+ Radio.SetRfFrequency( Eeprom.EepromData.DemoSettings.Frequency );
+ Radio.SetBufferBaseAddresses( 0x00, 0x00 );
+ Radio.SetModulationParams( &ModulationParams );
+ Radio.SetPacketParams( &PacketParams );
+ // only used in GFSK, FLRC (4 bytes max) and BLE mode
+ Radio.SetSyncWord( 1, ( uint8_t[] ){ 0xDD, 0xA0, 0x96, 0x69, 0xDD } );
+ // only used in GFSK, FLRC
+ Radio.SetCrcSeed( 0x4567 );
+ Radio.SetCrcPolynomial( 0x0123 );
+ Radio.SetTxParams( Eeprom.EepromData.DemoSettings.TxPower, RADIO_RAMP_20_US );
+ }
+}
+
+/*!
+ * \brief Callback of ticker PerSendNextPacket
+ */
+void SendNextPacketEvent( void )
+{
+ SendNext = true;
+ if( Eeprom.EepromData.DemoSettings.RngStatus == RNG_PROCESS )
+ {
+ Eeprom.EepromData.DemoSettings.CntPacketRxKOSlave++;
+ }
+}
+
+uint8_t CheckDistance( void )
+{
+ double mean = 0.0;
+ double meanRaw = 0.0;
+ double total = 0.0;
+ double squareDeviation = 0.0;
+ double squareDeviationRaw = 0.0;
+ uint8_t j = 0;
+ uint8_t i;
+
+ printf( "#id: %d", Eeprom.EepromData.DemoSettings.CntPacketTx );
+ if( RngResultIndex > 0 )
+ {
+ // compute average and std deviation w/o frequency correction
+ for( i = 0; i < RngResultIndex; ++i )
+ {
+ total += RawRngResults[i];
+ squareDeviationRaw += RawRngResults[i] * RawRngResults[i];
+ }
+ meanRaw = total / RngResultIndex;
+ squareDeviationRaw = sqrt( ( squareDeviationRaw / RngResultIndex ) - ( meanRaw * meanRaw ) );
+
+ // compute average and std deviation
+ total = 0.0;
+ for( i = 0; i < RngResultIndex; ++i )
+ {
+ RawRngResults[i] -= ( Eeprom.EepromData.DemoSettings.RngFeiFactor * Eeprom.EepromData.DemoSettings.RngFei / 1000 );
+ total += RawRngResults[i];
+ squareDeviation += RawRngResults[i] * RawRngResults[i];
+ }
+ mean = total / RngResultIndex;
+ squareDeviation = sqrt( ( squareDeviation / RngResultIndex ) - ( mean * mean ) );
+ printf( ", Moy: %5.1f, Std: %6.3f", mean, squareDeviation );
+
+/*
+ * also use RSSI since chip V3 for filter ranging values
+ */
+ total = 0.0;
+ // select measure with correct Z Score
+ for( i = 0; i < RngResultIndex; ++i )
+ {
+ if( ( fabs( RawRngResults[i] - meanRaw ) / squareDeviationRaw ) <= ( double )Eeprom.EepromData.DemoSettings.RngZscoreMax )
+ {
+ total += RawRngResults[i];
+ j++;
+ }
+ }
+ if( j > 0 )
+ {
+ meanRaw = total / j;
+ }
+ else
+ {
+ meanRaw = 0.0;
+ }
+ Eeprom.EepromData.DemoSettings.RngRawDistance = meanRaw;
+ total = 0.0;
+ j = 0;
+ // select measure with correct Z Score
+ for( i = 0; i < RngResultIndex; ++i )
+ {
+ if( ( fabs( RawRngResults[i] - mean ) / squareDeviation ) <= ( double )Eeprom.EepromData.DemoSettings.RngZscoreMax )
+ {
+ total += RawRngResults[i];
+ j++;
+ }
+ }
+ if( j > 0 )
+ {
+ mean = total / j;
+ }
+ else
+ {
+ mean = 0.0;
+ }
+ if( j < DEMO_RNG_CHANNELS_COUNT_MIN )
+ {
+ Eeprom.EepromData.DemoSettings.RngStatus = RNG_PER_ERROR;
+ }
+ else
+ {
+ Eeprom.EepromData.DemoSettings.RngStatus = RNG_VALID;
+ }
+ if( mean <= 18.5 )
+ {
+ // _TCO_ acces à la correction frequence et rssi
+// double RngFei; // Ranging Frequency Error Indicator
+// double RngFeiFactor; // Ranging frequency correction factor
+// int8_t RssiValue; // Demo Rssi Value
+ //Eeprom.EepromData.DemoSettings.xxx
+ // example : if( ( double )Eeprom.EepromData.DemoSettings.RssiValue > 1.0 )
+ mean = exp( ( mean + 2.4917 ) / 7.2262 );
+ }
+ if( mean < 0 )
+ {
+ Eeprom.EepromData.DemoSettings.RngDistance = 0.0;
+ }
+ else
+ {
+ switch( Eeprom.EepromData.DemoSettings.RngUnit )
+ {
+ case DEMO_RNG_UNIT_SEL_M:
+ Eeprom.EepromData.DemoSettings.RngDistance = mean;
+ break;
+
+ case DEMO_RNG_UNIT_SEL_YD:
+ Eeprom.EepromData.DemoSettings.RngDistance = mean * DEMO_RNG_UNIT_CONV_YD;
+ break;
+
+ case DEMO_RNG_UNIT_SEL_MI:
+ Eeprom.EepromData.DemoSettings.RngDistance = mean * DEMO_RNG_UNIT_CONV_MI;
+ break;
+ }
+ }
+ }
+ printf( ", Rssi: %d, Zn: %3d, Zmoy: %5.1f, FEI: %d\r\n", Eeprom.EepromData.DemoSettings.RssiValue, j, mean, ( int32_t )Eeprom.EepromData.DemoSettings.RngFei );
+
+ return j;
+}
+
+void LedBlink( void )
+{
+ if( ( TX_LED == 0 ) && ( RX_LED == 0 ) )
+ {
+ TX_LED = 1;
+ }
+ else if( ( TX_LED == 1 ) && ( RX_LED == 0 ) )
+ {
+ RX_LED = 1;
+ }
+ else if( ( TX_LED == 1 ) && ( RX_LED == 1 ) )
+ {
+ TX_LED = 0;
+ }
+ else
+ {
+ RX_LED = 0;
+ }
+}
+
+void SetAntennaSwitch( void )
+{
+ if( Eeprom.EepromData.DemoSettings.AntennaSwitch == 0 )
+ {
+ ANT_SW = 1; // ANT1
+ }
+ else
+ {
+ ANT_SW = 0; // ANT2
+ }
+}
+
+// ************************ Radio Callbacks ****************************
+// * *
+// * These functions are called through function pointer by the Radio low *
+// * level drivers *
+// * *
+// *****************************************************************************
+void OnTxDone( void )
+{
+ DemoInternalState = APP_TX;
+}
+
+void OnRxDone( void )
+{
+ DemoInternalState = APP_RX;
+}
+
+void OnTxTimeout( void )
+{
+ DemoInternalState = APP_TX_TIMEOUT;
+}
+
+void OnRxTimeout( void )
+{
+ DemoInternalState = APP_RX_TIMEOUT;
+}
+
+void OnRxError( IrqErrorCode_t errorCode )
+{
+ DemoInternalState = APP_RX_ERROR;
+}
+
+void OnRangingDone( IrqRangingCode_t val )
+{
+ if( val == IRQ_RANGING_MASTER_VALID_CODE || val == IRQ_RANGING_SLAVE_VALID_CODE )
+ {
+ DemoInternalState = APP_RANGING_DONE;
+ }
+ else if( val == IRQ_RANGING_MASTER_ERROR_CODE || val == IRQ_RANGING_SLAVE_ERROR_CODE )
+ {
+ DemoInternalState = APP_RANGING_TIMEOUT;
+ }
+ else
+ {
+ DemoInternalState = APP_RANGING_TIMEOUT;
+ }
+}
+
+void OnCadDone( bool channelActivityDetected )
+{
+}