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.*
Demo/DemoApplication.cpp
- Committer:
- GregCr
- Date:
- 2017-03-13
- Revision:
- 0:9c0917bfde97
- Child:
- 1:dbcb3698f73a
File content as of revision 0:9c0917bfde97:
/*
______ _
/ _____) _ | |
( (____ _____ ____ _| |_ _____ ____| |__
\____ \| ___ | (_ _) ___ |/ ___) _ \
_____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
(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 )
{
}