Semtech
Source code for the SX126xDVK1xAS Dev Kit. This example code has only been tested on the Nucleo L476RG
Dependencies: mbed DmTftLibrary SX126xLib
Diff: Demo/DemoApplication.cpp
- Revision:
- 0:e5420f1a8a1a
- Child:
- 1:b96176a4ccb8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Demo/DemoApplication.cpp Tue Sep 05 08:15:37 2017 +0000
@@ -0,0 +1,1445 @@
+/*
+ ______ _
+ / _____) _ | |
+( (____ _____ ____ _| |_ _____ ____| |__
+ \____ \| ___ | (_ _) ___ |/ ___) _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+ (C)2016 Semtech
+
+Description: PingPong, PER demo implementation.
+
+Maintainer: Gregory Cristian & Gilbert Menth
+*/
+
+#include "mbed.h"
+#include "radio.h"
+#include "sx126x-hal.h"
+#include "Eeprom.h"
+#include "DemoApplication.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 150 // ms
+#define RX_TX_TRANSITION_WAIT 5 // ms
+
+
+/*!
+ * \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";
+
+/*!
+ * \brief Buffer and its size
+ */
+uint8_t BufferSize = BUFFER_SIZE;
+uint8_t Buffer[BUFFER_SIZE];
+
+/*!
+ * \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 CAD Done event
+ */
+void OnCadDone( bool channelActivityDetected );
+
+/*!
+ * \brief All the callbacks are stored in a structure
+ */
+RadioCallbacks_t RadioEvents =
+{
+ &OnTxDone, // txDone
+ &OnRxDone, // rxDone
+ NULL, // rxPreambleDetect
+ NULL, // rxSyncWordDone
+ NULL, // rxHeaderDone
+ &OnTxTimeout, // txTimeout
+ &OnRxTimeout, // rxTimeout
+ &OnRxError, // rxError
+ &OnCadDone, // cadDone
+};
+
+// SPI
+// mosi, miso, sclk, nss, dio0, dio1, dio2, dio3, rst, deviceSel, antSwPower, callbacks...
+SX126xHal Radio( D11, D12, D13, D7, D3, D5, NC, NC, A0, A2, D8, &RadioEvents );
+
+/*!
+ * \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 Frequency Error (only LSB)
+ */
+static double FreErrorLsb = 0.0;
+
+/*!
+ * \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 LedBlink( void );
+void InitializeDemoParameters( uint8_t modulation );
+uint16_t GetTimeOnAir( uint8_t modulation );
+void SendNextPacketEvent( 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.Fields.WakeUpRTC = 0; //!< Get out of sleep mode if wakeup signal received from RTC
+ SleepParam.Fields.Reset = 0; //!<
+ SleepParam.Fields.WarmStart = 1; //!<
+ 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( ( RadioRegulatorMode_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( ( RadioRegulatorMode_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;
+ Radio.SetStandby( STDBY_RC );
+ Radio.SetRegulatorMode( ( RadioRegulatorMode_t )Eeprom.EepromData.DemoSettings.RadioPowerMode );
+ Radio.SetRfFrequency( Eeprom.EepromData.DemoSettings.Frequency );
+ Radio.SetTxParams( Eeprom.EepromData.DemoSettings.TxPower, RADIO_RAMP_40_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.HoldDemo == true )
+ {
+ return 0;
+ }
+
+ Radio.ProcessIrqs( );
+
+ if( DemoRunning == false )
+ {
+ DemoRunning = true;
+ InitializeDemoParameters( Eeprom.EepromData.DemoSettings.ModulationType );
+ Radio.SetTxParams( Eeprom.EepromData.DemoSettings.TxPower, RADIO_RAMP_3400_US );
+ TX_LED = 0;
+ RX_LED = 0;
+ 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.SendPayload( Buffer, localPayloadSize, 0xFFFFFF );
+ 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 );
+
+ Radio.SendPayload( Buffer, localPayloadSize, 0xFFFFFF );
+ // we prepare next payload during transmission
+ for( i = 0; i < localPayloadSize; i++ )
+ {
+ Buffer[i] = ( uint8_t )rand( );
+ }
+ 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;
+}
+
+uint8_t RunDemoRxContinuous( void )
+{
+ uint8_t refreshDisplay = 0;
+
+ if( Eeprom.EepromData.DemoSettings.HoldDemo == true )
+ {
+ return 0;
+ }
+
+ if( DemoRunning == false )
+ {
+ DemoRunning = true;
+
+ printf( "Start RunDemoRxContinuous\n\r" );
+
+ TX_LED = 0;
+ RX_LED = 0;
+
+ Eeprom.EepromData.DemoSettings.CntPacketTx = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK = 0;
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO = 0;
+
+ InitializeDemoParameters( Eeprom.EepromData.DemoSettings.ModulationType );
+
+ // set preamble to max size to avoid filtering of the receiver on preamble lenght
+ if( Eeprom.EepromData.DemoSettings.ModulationType == PACKET_TYPE_LORA )
+ {
+ PacketParams.Params.LoRa.PreambleLength = 0xFFFF;
+ PacketParams.Params.LoRa.HeaderType = ( RadioLoRaPacketLengthsMode_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;
+ Radio.SetPacketParams( &PacketParams );
+ }
+
+ IrqMask = IRQ_RX_DONE | IRQ_CRC_ERROR | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ // Rx Continuous
+ if( Eeprom.EepromData.DemoSettings.BoostedRx == false )
+ {
+ Radio.SetRx( 0xFFFFFF );
+ }
+ else
+ {
+ Radio.SetRxBoosted( 0xFFFFFF );
+ }
+ DemoInternalState = APP_IDLE;
+
+ }
+
+ if( Eeprom.EepromData.DemoSettings.MaxNumPacket > 0 ) // != Infinite
+ {
+ if( ( Eeprom.EepromData.DemoSettings.CntPacketRxOK + \
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO ) >= \
+ 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;
+ }
+ }
+
+ Radio.ProcessIrqs( );
+
+ switch( DemoInternalState )
+ {
+ case APP_TX:
+ 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.Params.LoRa.RssiPkt;
+ Eeprom.EepromData.DemoSettings.SnrValue = PacketStatus.Params.LoRa.SnrPkt;
+ if( ( PacketStatus.Params.LoRa.FreqError & 0x00080000 ) == 0x00080000 )
+ {
+ PacketStatus.Params.LoRa.FreqError = 0xFFFFF - PacketStatus.Params.LoRa.FreqError;
+ }
+ Eeprom.EepromData.DemoSettings.FreqErrorEst = ( double )PacketStatus.Params.LoRa.FreqError * FreErrorLsb;
+ }
+ else // Eeprom.EepromData.DemoSettings.ModulationType == PACKET_TYPE_GFSK
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.Params.Gfsk.RssiAvg;
+ Eeprom.EepromData.DemoSettings.SnrValue = 0;
+ }
+
+ DemoInternalState = APP_IDLE;
+ Eeprom.EepromData.DemoSettings.CntPacketRxOK ++;
+ refreshDisplay = 1;
+ break;
+
+ case APP_RX_ERROR:
+ case APP_RX_TIMEOUT:
+ Eeprom.EepromData.DemoSettings.CntPacketRxKO ++;
+ DemoInternalState = PER_RX_START;
+ refreshDisplay = 1;
+ break;
+
+ case APP_TX_TIMEOUT:
+ break;
+
+ case APP_IDLE:
+ break;
+
+ default:
+ break;
+ }
+ return refreshDisplay;
+}
+
+// ************************* 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;
+
+ 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 ) + RX_TX_TRANSITION_WAIT;
+
+ if( Eeprom.EepromData.DemoSettings.Entity == MASTER )
+ {
+ SendNextPacket.attach_us( &SendNextPacketEvent, ( uint32_t )( ( Eeprom.EepromData.DemoSettings.InterPacketDelay + RX_TIMEOUT_MARGIN ) * 1000 ) );
+ DemoInternalState = APP_TX;
+ }
+ else
+ {
+ IrqMask = /*0xFFFF; IRQ_HEADER_VALID |*/ 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
+ if( Eeprom.EepromData.DemoSettings.BoostedRx == false )
+ {
+ Radio.SetRx( 0x0000 );
+ }
+ else
+ {
+ Radio.SetRxBoosted( 0x0000 );
+ }
+ DemoInternalState = APP_IDLE;
+ }
+ }
+
+ Radio.ProcessIrqs( );
+
+ 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] = 0x00;
+ Buffer[1] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 24 ) & 0xFF;
+ Buffer[2] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 16 ) & 0xFF;
+ Buffer[3] = ( Eeprom.EepromData.DemoSettings.CntPacketTx >> 8 ) & 0xFF;
+ Buffer[4] = Eeprom.EepromData.DemoSettings.CntPacketTx & 0xFF;
+ Buffer[5] = PerMsg[0];
+ Buffer[6] = PerMsg[1];
+ Buffer[7] = PerMsg[2];
+ for( i = 8; i < Eeprom.EepromData.DemoSettings.PayloadLength; i++ )
+ {
+ Buffer[i] = i;
+ }
+ TX_LED = !TX_LED;
+ IrqMask = 0xFFFF; //IRQ_TX_DONE | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ Radio.SendPayload( Buffer, Eeprom.EepromData.DemoSettings.PayloadLength, ( Eeprom.EepromData.DemoSettings.InterPacketDelay ) << 6 );
+ break;
+
+ case PER_RX_START:
+ IrqMask = /*0xFFFF;*/ IRQ_RX_DONE | IRQ_CRC_ERROR | IRQ_RX_TX_TIMEOUT;
+ Radio.SetDioIrqParams( IrqMask, IrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE );
+ if( Eeprom.EepromData.DemoSettings.BoostedRx == false )
+ {
+ Radio.SetRx( ( Eeprom.EepromData.DemoSettings.InterPacketDelay + RX_TIMEOUT_MARGIN ) << 6 );
+ }
+ else
+ {
+ Radio.SetRxBoosted( ( Eeprom.EepromData.DemoSettings.InterPacketDelay + RX_TIMEOUT_MARGIN ) << 6 );
+ }
+ 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.Params.LoRa.RssiPkt;
+ Eeprom.EepromData.DemoSettings.SnrValue = PacketStatus.Params.LoRa.SnrPkt;
+ if( ( PacketStatus.Params.LoRa.FreqError & 0x00080000 ) == 0x00080000 )
+ {
+ PacketStatus.Params.LoRa.FreqError = 0xFFFFF - PacketStatus.Params.LoRa.FreqError;
+ }
+ Eeprom.EepromData.DemoSettings.FreqErrorEst = ( double )PacketStatus.Params.LoRa.FreqError * FreErrorLsb;
+ }
+ else // Eeprom.EepromData.DemoSettings.ModulationType == PACKET_TYPE_GFSK
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.Params.Gfsk.RssiAvg;
+ Eeprom.EepromData.DemoSettings.SnrValue = 0;
+ if( ( PacketStatus.Params.Gfsk.FreqError & 0x00000800 ) == 0x00000800 )
+ {
+ PacketStatus.Params.Gfsk.FreqError = 0x00000FFF - PacketStatus.Params.Gfsk.FreqError;
+ }
+ PacketStatus.Params.LoRa.FreqError = PacketStatus.Params.LoRa.FreqError / 2048;
+ Eeprom.EepromData.DemoSettings.FreqErrorEst = ( ( double )PacketStatus.Params.Gfsk.FreqError / 2048.0 );
+ }
+
+ DemoInternalState = PER_RX_START;
+ if( ( BufferSize >= PER_SIZE ) && ( strncmp( ( const char* )( Buffer + 5 ), ( 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
+ /*
+ val = Radio.GetSysErrors( );
+ if( val.Value != 0x0000 )
+ {
+ printf(" Dev Error = 0x%04x \n\r", val.Value );
+ }
+ */
+ 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[1] << 24 ) | \
+ ( ( uint32_t )buffer[2] << 16 ) | \
+ ( ( uint32_t )buffer[3] << 8 ) | \
+ buffer[4];
+
+ if( ( PacketRxSequence <= PacketRxSequencePrev ) || \
+ ( PacketRxSequencePrev == 0xFFFFFFFF ) )
+ {
+ // 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;
+ 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 = GetTimeOnAir( Eeprom.EepromData.DemoSettings.ModulationType ) + RX_TX_TRANSITION_WAIT;
+
+ printf( "Start RunDemoApplicationPingPong.\n\r" );
+
+ if( Eeprom.EepromData.DemoSettings.Entity == MASTER )
+ {
+ DemoInternalState = SEND_PING_MSG;
+ uint32_t temp = ( Eeprom.EepromData.DemoSettings.InterPacketDelay << 1 ) + RX_TIMEOUT_MARGIN;
+ float val = ( float )temp / ( float )( 1000.0 );
+ SendNextPacket.attach( &SendNextPacketEvent, val );
+ }
+ 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;
+
+ if( Eeprom.EepromData.DemoSettings.BoostedRx == false )
+ {
+ Radio.SetRx( 0x0000 );
+ }
+ else
+ {
+ Radio.SetRxBoosted( 0x0000 );
+ }
+ DemoInternalState = APP_IDLE;
+ }
+ }
+
+ Radio.ProcessIrqs( );
+
+ 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;
+ Radio.SetStandby( STDBY_RC );
+ 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, \
+ Eeprom.EepromData.DemoSettings.InterPacketDelay << 6 );
+ }
+ }
+ 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 );
+
+ if( Eeprom.EepromData.DemoSettings.BoostedRx == false )
+ {
+ Radio.SetRx( ( ( Eeprom.EepromData.DemoSettings.InterPacketDelay << 1 ) + RX_TIMEOUT_MARGIN ) << 6 );
+ }
+ else
+ {
+ Radio.SetRxBoosted( ( ( Eeprom.EepromData.DemoSettings.InterPacketDelay << 1 ) + RX_TIMEOUT_MARGIN ) << 6 );
+ }
+ 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.Params.LoRa.RssiPkt;
+ Eeprom.EepromData.DemoSettings.SnrValue = PacketStatus.Params.LoRa.SnrPkt;
+ }
+ else // Eeprom.EepromData.ModulationParams.PacketType == PACKET_TYPE_GFSK
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.Params.Gfsk.RssiAvg;
+ 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, \
+ ( Eeprom.EepromData.DemoSettings.InterPacketDelay ) << 6 );
+ 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 );
+ if( Eeprom.EepromData.DemoSettings.BoostedRx == false )
+ {
+ Radio.SetRx( ( ( Eeprom.EepromData.DemoSettings.InterPacketDelay << 1 ) + RX_TIMEOUT_MARGIN ) << 6 );
+ }
+ else
+ {
+ Radio.SetRxBoosted( ( ( Eeprom.EepromData.DemoSettings.InterPacketDelay << 1 ) + RX_TIMEOUT_MARGIN) << 6 );
+ }
+ 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.Params.LoRa.RssiPkt;
+ Eeprom.EepromData.DemoSettings.SnrValue = PacketStatus.Params.LoRa.SnrPkt;
+ }
+ else // Eeprom.EepromData.ModulationParams.PacketType == PACKET_TYPE_GFSK
+ {
+ Eeprom.EepromData.DemoSettings.RssiValue = PacketStatus.Params.Gfsk.RssiAvg;
+ 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 );
+ if( Eeprom.EepromData.DemoSettings.BoostedRx == false )
+ {
+ Radio.SetRx( ( Eeprom.EepromData.DemoSettings.InterPacketDelay ) << 6 );
+ }
+ else
+ {
+ Radio.SetRxBoosted( ( Eeprom.EepromData.DemoSettings.InterPacketDelay ) << 6 );
+ }
+ 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 );
+ if( Eeprom.EepromData.DemoSettings.BoostedRx == false )
+ {
+ Radio.SetRx( ( Eeprom.EepromData.DemoSettings.InterPacketDelay ) << 6 );
+ }
+ else
+ {
+ Radio.SetRxBoosted( ( Eeprom.EepromData.DemoSettings.InterPacketDelay ) << 6 );
+ }
+ 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;
+ }
+}
+
+// ************************ Utils ****************************
+// * *
+// * *
+// * *
+// *****************************************************************************
+
+uint8_t GetConnectedDevice( void )
+{
+ return( Radio.GetDeviceType( ) );
+}
+
+void InitDemoApplication( void )
+{
+ RX_LED = 1;
+ TX_LED = 1;
+
+ Radio.Init( );
+
+ // Can also be set in LDO mode but consume more power
+ Radio.SetRegulatorMode( ( RadioRegulatorMode_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 )
+ {
+ Radio.CheckDeviceReady( );
+
+ 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;
+
+ DemoInternalState = APP_IDLE;
+ Radio.SetStandby( STDBY_RC );
+ Radio.ClearIrqStatus( IRQ_RADIO_ALL );
+ SendNextPacket.detach( );
+ }
+}
+
+/*
+ * 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;
+ uint8_t LowDatarateOptimize = 0;
+
+ if( modulation == PACKET_TYPE_LORA )
+ {
+ volatile double loraBw = 0.0;
+ volatile double FreqErrorUnits = 0.0;
+
+ switch( Eeprom.EepromData.ModulationParams.Params.LoRa.Bandwidth )
+ {
+ case LORA_BW_500:
+ loraBw = 500e3;
+ break;
+
+ case LORA_BW_250:
+ loraBw = 250e3;
+ break;
+
+ case LORA_BW_125:
+ loraBw = 125e3;
+ break;
+
+ case LORA_BW_062:
+ loraBw = 62e3;
+ break;
+
+ case LORA_BW_041:
+ loraBw = 41e3;
+ break;
+
+ case LORA_BW_031:
+ loraBw = 31e3;
+ break;
+
+ case LORA_BW_020:
+ loraBw = 20e3;
+ break;
+
+ case LORA_BW_015:
+ loraBw = 15e3;
+ break;
+
+ case LORA_BW_010:
+ loraBw = 10e3;
+ break;
+
+ case LORA_BW_007:
+ loraBw = 7e3;
+ break;
+
+ default:
+ loraBw = 7e3;
+ break;
+ }
+
+ /* Used to compute the freq Error */
+ FreqErrorUnits = FREQ_ERR;
+ FreErrorLsb = FreqErrorUnits * ( ( double )loraBw / 1000 ) / 500;
+
+ float ts = 1 << Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor; // time for one symbol in ms
+ ts = (float)ts / (float)loraBw;
+ ts = ts * 1000; // from seconds to miliseconds
+
+ float tPreamble = ( Eeprom.EepromData.PacketParams.Params.LoRa.PreambleLength + 4.25 + ( ( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor > 6 ) ? 2 : 0 )) * ts; // time of preamble
+
+ switch( Eeprom.EepromData.ModulationParams.Params.LoRa.Bandwidth )
+ {
+ case LORA_BW_500:
+ break;
+
+ case LORA_BW_250:
+ if( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor == LORA_SF12 )
+ {
+ LowDatarateOptimize = 1;
+ }
+ break;
+
+ case LORA_BW_125:
+ if( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor >= LORA_SF11 )
+ {
+ LowDatarateOptimize = 1;
+ }
+ break;
+
+ case LORA_BW_062:
+ if( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor >= LORA_SF10 )
+ {
+ LowDatarateOptimize = 1;
+ }
+ break;
+
+ case LORA_BW_041:
+ case LORA_BW_031:
+ if( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor >= LORA_SF9 )
+ {
+ LowDatarateOptimize = 1;
+ }
+ break;
+
+ case LORA_BW_020:
+ case LORA_BW_015:
+ if( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor >= LORA_SF8 )
+ {
+ LowDatarateOptimize = 1;
+ }
+ break;
+
+ case LORA_BW_010:
+ case LORA_BW_007:
+ if( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor >= LORA_SF7 )
+ {
+ LowDatarateOptimize = 1;
+ }
+ break;
+ }
+
+ float nData = ceil( ( float )( ( 8 * Eeprom.EepromData.PacketParams.Params.LoRa.PayloadLength + \
+ 16 * ( ( Eeprom.EepromData.PacketParams.Params.LoRa.CrcMode == LORA_CRC_OFF ) ? 0 : 1 ) + \
+ ( ( Eeprom.EepromData.PacketParams.Params.LoRa.HeaderType == LORA_PACKET_VARIABLE_LENGTH ) ? 20 : 0 ) - \
+ ( 4 * Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor ) + 8 - \
+ ( 8 *( ( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor > 6 ) ? 1 : 0 ) ) ) / 4 ) );
+
+ nData = ceil( ( float )nData / ( ( float )( Eeprom.EepromData.ModulationParams.Params.LoRa.SpreadingFactor - \
+ ( LowDatarateOptimize * 2 ) ) ) * ( ( Eeprom.EepromData.ModulationParams.Params.LoRa.CodingRate % 4 ) + 4 ) );
+
+ float tPayload = nData * ts;
+
+ float tHeader = 8 * ts;
+ // Time on air [ms]
+ float ToA = ceil( tPreamble + tPayload + tHeader );
+
+ result = ( uint16_t )ToA + ( ( uint16_t )ToA >> 1 ); // Set some margin
+ }
+ else if( modulation == PACKET_TYPE_GFSK )
+ {
+ uint16_t packetBitCount = Eeprom.EepromData.PacketParams.Params.Gfsk.PreambleLength;
+
+ packetBitCount += ( Eeprom.EepromData.PacketParams.Params.Gfsk.SyncWordLength + 1 );
+ packetBitCount += Eeprom.EepromData.PacketParams.Params.Gfsk.PayloadLength + 3;
+ packetBitCount *= 8;
+ // 1500 = 1000 * 1.5 : 1000 for translate s in ms and 1.5 is some margin
+ result = ( uint16_t )( ceil( 1500 * ( float )packetBitCount / Eeprom.EepromData.ModulationParams.Params.Gfsk.BitRate ) );
+ }
+ return result;
+}
+
+void InitializeDemoParameters( uint8_t modulation )
+{
+ Radio.SetStandby( STDBY_RC );
+
+ Radio.SetRegulatorMode( ( RadioRegulatorMode_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 = ( RadioLoRaPacketLengthsMode_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_GFSK )
+ {
+ printf("set param GFSK for demo\n\r");
+ ModulationParams.PacketType = PACKET_TYPE_GFSK;
+ PacketParams.PacketType = PACKET_TYPE_GFSK;
+
+ ModulationParams.Params.Gfsk.BitRate = Eeprom.EepromData.DemoSettings.ModulationParam1;
+ ModulationParams.Params.Gfsk.Fdev = Eeprom.EepromData.DemoSettings.ModulationParam2;
+ ModulationParams.Params.Gfsk.ModulationShaping = ( RadioModShapings_t ) Eeprom.EepromData.DemoSettings.ModulationParam3;
+ ModulationParams.Params.Gfsk.Bandwidth = ( RadioRxBandwidth_t ) Eeprom.EepromData.DemoSettings.ModulationParam4;
+ PacketParams.Params.Gfsk.PreambleLength = Eeprom.EepromData.DemoSettings.PacketParam1;
+ PacketParams.Params.Gfsk.PreambleMinDetect = ( RadioPreambleDetection_t )Eeprom.EepromData.DemoSettings.PacketParam2;
+ PacketParams.Params.Gfsk.SyncWordLength = Eeprom.EepromData.DemoSettings.PacketParam3;
+ PacketParams.Params.Gfsk.AddrComp = ( RadioAddressComp_t ) Eeprom.EepromData.DemoSettings.PacketParam4;
+ PacketParams.Params.Gfsk.HeaderType = ( RadioPacketLengthModes_t )Eeprom.EepromData.DemoSettings.PacketParam5;
+ PacketParams.Params.Gfsk.PayloadLength = Eeprom.EepromData.DemoSettings.PacketParam6;
+
+ PacketParams.Params.Gfsk.CrcLength = ( RadioCrcTypes_t ) Eeprom.EepromData.DemoSettings.PacketParam7;
+ PacketParams.Params.Gfsk.DcFree = ( RadioDcFree_t ) Eeprom.EepromData.DemoSettings.PacketParam8;
+
+ Eeprom.EepromData.DemoSettings.PayloadLength = PacketParams.Params.Gfsk.PayloadLength;
+ }
+
+ Radio.SetStandby( STDBY_RC );
+ Radio.ClearIrqStatus( IRQ_RADIO_ALL );
+ Radio.SetPacketType( ModulationParams.PacketType );
+ Radio.SetModulationParams( &ModulationParams );
+ Radio.SetPacketParams( &PacketParams );
+
+ Radio.SetRfFrequency( Eeprom.EepromData.DemoSettings.Frequency );
+ Radio.SetBufferBaseAddresses( 0x00, 0x00 );
+
+
+ Radio.SetTxParams( Eeprom.EepromData.DemoSettings.TxPower, RADIO_RAMP_40_US );
+
+ // only used in GFSK
+ Radio.SetSyncWord( ( uint8_t[] ){ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0 } );
+ Radio.SetWhiteningSeed( 0x01FF );
+
+ RX_LED = 0;
+ TX_LED = 0;
+}
+
+/*!
+ * \brief Callback of ticker PerSendNextPacket
+ */
+void SendNextPacketEvent( void )
+{
+ SendNext = true;
+}
+
+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;
+ }
+}
+
+// ************************ 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;
+
+ if( errorCode == IRQ_HEADER_ERROR_CODE )
+ {
+#ifdef ADV_DEBUG
+ printf( ">> IRQ_HEADER_ERROR_CODE\n\r" );
+#endif
+ }
+ else if( errorCode == IRQ_SYNCWORD_ERROR_CODE )
+ {
+#ifdef ADV_DEBUG
+ printf( ">> IRQ_SYNCWORD_ERROR_CODE\n\r" );
+#endif
+ }
+ else if( errorCode == IRQ_CRC_ERROR_CODE )
+ {
+#ifdef ADV_DEBUG
+ printf( ">> IRQ_CRC_ERROR_CODE\n\r" );
+#endif
+ }
+ else
+ {
+#ifdef ADV_DEBUG
+ printf( "unknown error\n\r" );
+#endif
+ }
+ Radio.GetPacketStatus( &PacketStatus );
+}
+
+void OnCadDone( bool channelActivityDetected )
+{
+ if( channelActivityDetected == true )
+ {
+ DemoInternalState = CAD_DONE_CHANNEL_DETECTED;
+ }
+ else
+ {
+ DemoInternalState = CAD_DONE;
+ }
+}
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Repository details
| Type: | Program |
|---|---|
| Mbed OS support: | Mbed 2 deprecated |
| Created: | 09 Mar 2018 |
| Imports: | 722 |
| Forks: | 0 |
| Commits: | 4 |
| Dependents: | 0 |
| Dependencies: | 3 |
| Followers: | 112 |
The code in this repository is Apache licensed.
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