/*!
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* \file sx126x.c
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*
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* \brief SX126x driver implementation
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*
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* \copyright Revised BSD License, see section \ref LICENSE.
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*
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* \code
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* ______ _
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* / _____) _ | |
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* ( (____ _____ ____ _| |_ _____ ____| |__
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* \____ \| ___ | (_ _) ___ |/ ___) _ \
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* _____) ) ____| | | || |_| ____( (___| | | |
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* (______/|_____)_|_|_| \__)_____)\____)_| |_|
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* (C)2013-2017 Semtech
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*
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* \endcode
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*
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* \author Miguel Luis ( Semtech )
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*
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* \author Gregory Cristian ( Semtech )
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*/
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#include <math.h>
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#include <string.h>
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#include "sx126x.h"
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#include "sx126x-board.h"
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#include "delay.h"
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//#define USE_TCXO
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/*!
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* \brief Radio registers definition
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*/
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typedef struct
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{
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uint16_t Addr; //!< The address of the register
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uint8_t Value; //!< The value of the register
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}RadioRegisters_t;
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/*!
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* \brief Holds the internal operating mode of the radio
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*/
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static RadioOperatingModes_t OperatingMode;
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/*!
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* \brief Stores the current packet type set in the radio
|
*/
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static RadioPacketTypes_t PacketType;
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/*!
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* \brief Stores the last frequency error measured on LoRa received packet
|
*/
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volatile uint32_t FrequencyError = 0;
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/*!
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* \brief Hold the status of the Image calibration
|
*/
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static bool ImageCalibrated = false;
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/*
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* SX126x DIO IRQ callback functions prototype
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*/
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/*!
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* \brief DIO 0 IRQ callback
|
*/
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void SX126xOnDioIrq( void );
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/*!
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* \brief DIO 0 IRQ callback
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*/
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void SX126xSetPollingMode( void );
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/*!
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* \brief DIO 0 IRQ callback
|
*/
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void SX126xSetInterruptMode( void );
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/*
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* \brief Process the IRQ if handled by the driver
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*/
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void SX126xProcessIrqs( void );
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|
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void SX126xInit( DioIrqHandler dioIrq )
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{
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SX126xReset( );
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SX126xWakeup( );
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SX126xSetStandby( STDBY_RC );
|
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#ifdef USE_TCXO
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CalibrationParams_t calibParam;
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SX126xSetDio3AsTcxoCtrl( TCXO_CTRL_1_7V, RADIO_TCXO_SETUP_TIME << 6 ); // convert from ms to SX126x time base
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calibParam.Value = 0x7F;
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SX126xCalibrate( calibParam );
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|
#endif
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SX126xSetDio2AsRfSwitchCtrl( true );
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OperatingMode = MODE_STDBY_RC;
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}
|
|
RadioOperatingModes_t SX126xGetOperatingMode( void )
|
{
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return OperatingMode;
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}
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void SX126xCheckDeviceReady( void )
|
{
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if( ( SX126xGetOperatingMode( ) == MODE_SLEEP ) || ( SX126xGetOperatingMode( ) == MODE_RX_DC ) )
|
{
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SX126xWakeup( );
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// Switch is turned off when device is in sleep mode and turned on is all other modes
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SX126xAntSwOn( );
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}
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SX126xWaitOnBusy( );
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}
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void SX126xSetPayload( uint8_t *payload, uint8_t size )
|
{
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SX126xWriteBuffer( 0x00, payload, size );
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}
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uint8_t SX126xGetPayload( uint8_t *buffer, uint8_t *size, uint8_t maxSize )
|
{
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uint8_t offset = 0;
|
|
SX126xGetRxBufferStatus( size, &offset );
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if( *size > maxSize )
|
{
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return 1;
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}
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SX126xReadBuffer( offset, buffer, *size );
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return 0;
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}
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void SX126xSendPayload( uint8_t *payload, uint8_t size, uint32_t timeout )
|
{
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SX126xSetPayload( payload, size );
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SX126xSetTx( timeout );
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}
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uint8_t SX126xSetSyncWord( uint8_t *syncWord )
|
{
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SX126xWriteRegisters( REG_LR_SYNCWORDBASEADDRESS, syncWord, 8 );
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return 0;
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}
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void SX126xSetCrcSeed( uint16_t seed )
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{
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uint8_t buf[2];
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buf[0] = ( uint8_t )( ( seed >> 8 ) & 0xFF );
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buf[1] = ( uint8_t )( seed & 0xFF );
|
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switch( SX126xGetPacketType( ) )
|
{
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case PACKET_TYPE_GFSK:
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SX126xWriteRegisters( REG_LR_CRCSEEDBASEADDR, buf, 2 );
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break;
|
|
default:
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break;
|
}
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}
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void SX126xSetCrcPolynomial( uint16_t polynomial )
|
{
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uint8_t buf[2];
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buf[0] = ( uint8_t )( ( polynomial >> 8 ) & 0xFF );
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buf[1] = ( uint8_t )( polynomial & 0xFF );
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switch( SX126xGetPacketType( ) )
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{
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case PACKET_TYPE_GFSK:
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SX126xWriteRegisters( REG_LR_CRCPOLYBASEADDR, buf, 2 );
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break;
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|
default:
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break;
|
}
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}
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void SX126xSetWhiteningSeed( uint16_t seed )
|
{
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uint8_t regValue = 0;
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switch( SX126xGetPacketType( ) )
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{
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case PACKET_TYPE_GFSK:
|
regValue = SX126xReadRegister( REG_LR_WHITSEEDBASEADDR_MSB ) & 0xFE;
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regValue = ( ( seed >> 8 ) & 0x01 ) | regValue;
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SX126xWriteRegister( REG_LR_WHITSEEDBASEADDR_MSB, regValue ); // only 1 bit.
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SX126xWriteRegister( REG_LR_WHITSEEDBASEADDR_LSB, ( uint8_t )seed );
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break;
|
|
default:
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break;
|
}
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}
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uint32_t SX126xGetRandom( void )
|
{
|
uint8_t buf[] = { 0, 0, 0, 0 };
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|
// Set radio in continuous reception
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SX126xSetRx( 0 );
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HAL_Delay_nMS( 1 );
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SX126xReadRegisters( RANDOM_NUMBER_GENERATORBASEADDR, buf, 4 );
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SX126xSetStandby( STDBY_RC );
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return ( buf[0] << 24 ) | ( buf[1] << 16 ) | ( buf[2] << 8 ) | buf[3];
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}
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void SX126xSetSleep( SleepParams_t sleepConfig )
|
{
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SX126xAntSwOff( );
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SX126xWriteCommand( RADIO_SET_SLEEP, &sleepConfig.Value, 1 );
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OperatingMode = MODE_SLEEP;
|
}
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void SX126xSetStandby( RadioStandbyModes_t standbyConfig )
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{
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SX126xWriteCommand( RADIO_SET_STANDBY, ( uint8_t* )&standbyConfig, 1 );
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if( standbyConfig == STDBY_RC )
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{
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OperatingMode = MODE_STDBY_RC;
|
}
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else
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{
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OperatingMode = MODE_STDBY_XOSC;
|
}
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}
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void SX126xSetFs( void )
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{
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SX126xWriteCommand( RADIO_SET_FS, 0, 0 );
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OperatingMode = MODE_FS;
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}
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void SX126xSetTx( uint32_t timeout )
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{
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uint8_t buf[3];
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OperatingMode = MODE_TX;
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buf[0] = ( uint8_t )( ( timeout >> 16 ) & 0xFF );
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buf[1] = ( uint8_t )( ( timeout >> 8 ) & 0xFF );
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buf[2] = ( uint8_t )( timeout & 0xFF );
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SX126xWriteCommand( RADIO_SET_TX, buf, 3 );
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}
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void SX126xSetRx( uint32_t timeout )
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{
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uint8_t buf[3];
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OperatingMode = MODE_RX;
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buf[0] = ( uint8_t )( ( timeout >> 16 ) & 0xFF );
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buf[1] = ( uint8_t )( ( timeout >> 8 ) & 0xFF );
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buf[2] = ( uint8_t )( timeout & 0xFF );
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SX126xWriteCommand( RADIO_SET_RX, buf, 3 );
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}
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void SX126xSetRxBoosted( uint32_t timeout )
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{
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uint8_t buf[3];
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OperatingMode = MODE_RX;
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SX126xWriteRegister( REG_RX_GAIN, 0x96 ); // max LNA gain, increase current by ~2mA for around ~3dB in sensivity
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buf[0] = ( uint8_t )( ( timeout >> 16 ) & 0xFF );
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buf[1] = ( uint8_t )( ( timeout >> 8 ) & 0xFF );
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buf[2] = ( uint8_t )( timeout & 0xFF );
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SX126xWriteCommand( RADIO_SET_RX, buf, 3 );
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}
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void SX126xSetRxDutyCycle( uint32_t rxTime, uint32_t sleepTime )
|
{
|
uint8_t buf[6];
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buf[0] = ( uint8_t )( ( rxTime >> 16 ) & 0xFF );
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buf[1] = ( uint8_t )( ( rxTime >> 8 ) & 0xFF );
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buf[2] = ( uint8_t )( rxTime & 0xFF );
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buf[3] = ( uint8_t )( ( sleepTime >> 16 ) & 0xFF );
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buf[4] = ( uint8_t )( ( sleepTime >> 8 ) & 0xFF );
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buf[5] = ( uint8_t )( sleepTime & 0xFF );
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SX126xWriteCommand( RADIO_SET_RXDUTYCYCLE, buf, 6 );
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OperatingMode = MODE_RX_DC;
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}
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void SX126xSetCad( void )
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{
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SX126xWriteCommand( RADIO_SET_CAD, 0, 0 );
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OperatingMode = MODE_CAD;
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}
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void SX126xSetTxContinuousWave( void )
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{
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SX126xWriteCommand( RADIO_SET_TXCONTINUOUSWAVE, 0, 0 );
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}
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void SX126xSetTxInfinitePreamble( void )
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{
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SX126xWriteCommand( RADIO_SET_TXCONTINUOUSPREAMBLE, 0, 0 );
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}
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void SX126xSetStopRxTimerOnPreambleDetect( bool enable )
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{
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SX126xWriteCommand( RADIO_SET_STOPRXTIMERONPREAMBLE, ( uint8_t* )&enable, 1 );
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}
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void SX126xSetLoRaSymbNumTimeout( uint8_t SymbNum )
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{
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SX126xWriteCommand( RADIO_SET_LORASYMBTIMEOUT, &SymbNum, 1 );
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}
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void SX126xSetRegulatorMode( RadioRegulatorMode_t mode )
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{
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SX126xWriteCommand( RADIO_SET_REGULATORMODE, ( uint8_t* )&mode, 1 );
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}
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void SX126xCalibrate( CalibrationParams_t calibParam )
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{
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SX126xWriteCommand( RADIO_CALIBRATE, ( uint8_t* )&calibParam, 1 );
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}
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void SX126xCalibrateImage( uint32_t freq )
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{
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uint8_t calFreq[2];
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if( freq > 900000000 )
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{
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calFreq[0] = 0xE1;
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calFreq[1] = 0xE9;
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}
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else if( freq > 850000000 )
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{
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calFreq[0] = 0xD7;
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calFreq[1] = 0xD8;
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}
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else if( freq > 770000000 )
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{
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calFreq[0] = 0xC1;
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calFreq[1] = 0xC5;
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}
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else if( freq > 460000000 )
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{
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calFreq[0] = 0x75;
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calFreq[1] = 0x81;
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}
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else if( freq > 425000000 )
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{
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calFreq[0] = 0x6B;
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calFreq[1] = 0x6F;
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}
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SX126xWriteCommand( RADIO_CALIBRATEIMAGE, calFreq, 2 );
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}
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void SX126xSetPaConfig( uint8_t paDutyCycle, uint8_t hpMax, uint8_t deviceSel, uint8_t paLut )
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{
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uint8_t buf[4];
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buf[0] = paDutyCycle;
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buf[1] = hpMax;
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buf[2] = deviceSel;
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buf[3] = paLut;
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SX126xWriteCommand( RADIO_SET_PACONFIG, buf, 4 );
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}
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void SX126xSetRxTxFallbackMode( uint8_t fallbackMode )
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{
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SX126xWriteCommand( RADIO_SET_TXFALLBACKMODE, &fallbackMode, 1 );
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}
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void SX126xSetDioIrqParams( uint16_t irqMask, uint16_t dio1Mask, uint16_t dio2Mask, uint16_t dio3Mask )
|
{
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uint8_t buf[8];
|
|
buf[0] = ( uint8_t )( ( irqMask >> 8 ) & 0x00FF );
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buf[1] = ( uint8_t )( irqMask & 0x00FF );
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buf[2] = ( uint8_t )( ( dio1Mask >> 8 ) & 0x00FF );
|
buf[3] = ( uint8_t )( dio1Mask & 0x00FF );
|
buf[4] = ( uint8_t )( ( dio2Mask >> 8 ) & 0x00FF );
|
buf[5] = ( uint8_t )( dio2Mask & 0x00FF );
|
buf[6] = ( uint8_t )( ( dio3Mask >> 8 ) & 0x00FF );
|
buf[7] = ( uint8_t )( dio3Mask & 0x00FF );
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SX126xWriteCommand( RADIO_CFG_DIOIRQ, buf, 8 );
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}
|
|
uint16_t SX126xGetIrqStatus( void )
|
{
|
uint8_t irqStatus[2];
|
|
SX126xReadCommand( RADIO_GET_IRQSTATUS, irqStatus, 2 );
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return ( irqStatus[0] << 8 ) | irqStatus[1];
|
}
|
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void SX126xSetDio2AsRfSwitchCtrl( uint8_t enable )
|
{
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SX126xWriteCommand( RADIO_SET_RFSWITCHMODE, &enable, 1 );
|
}
|
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void SX126xSetDio3AsTcxoCtrl( RadioTcxoCtrlVoltage_t tcxoVoltage, uint32_t timeout )
|
{
|
uint8_t buf[4];
|
|
buf[0] = tcxoVoltage & 0x07;
|
buf[1] = ( uint8_t )( ( timeout >> 16 ) & 0xFF );
|
buf[2] = ( uint8_t )( ( timeout >> 8 ) & 0xFF );
|
buf[3] = ( uint8_t )( timeout & 0xFF );
|
|
SX126xWriteCommand( RADIO_SET_TCXOMODE, buf, 4 );
|
}
|
|
void SX126xSetRfFrequency( uint32_t frequency )
|
{
|
uint8_t buf[4];
|
uint32_t freq = 0;
|
|
if( ImageCalibrated == false )
|
{
|
SX126xCalibrateImage( frequency );
|
ImageCalibrated = true;
|
}
|
|
freq = ( uint32_t ) ( frequency * 4 / 15625 * 4096 ); // ( ( double )frequency / ( double )FREQ_STEP );
|
buf[0] = ( uint8_t )( ( freq >> 24 ) & 0xFF );
|
buf[1] = ( uint8_t )( ( freq >> 16 ) & 0xFF );
|
buf[2] = ( uint8_t )( ( freq >> 8 ) & 0xFF );
|
buf[3] = ( uint8_t )( freq & 0xFF );
|
SX126xWriteCommand( RADIO_SET_RFFREQUENCY, buf, 4 );
|
}
|
|
void SX126xSetPacketType( RadioPacketTypes_t packetType )
|
{
|
// Save packet type internally to avoid questioning the radio
|
PacketType = packetType;
|
SX126xWriteCommand( RADIO_SET_PACKETTYPE, ( uint8_t* )&packetType, 1 );
|
}
|
|
RadioPacketTypes_t SX126xGetPacketType( void )
|
{
|
return PacketType;
|
}
|
|
void SX126xSetTxParams( int8_t power, RadioRampTimes_t rampTime )
|
{
|
uint8_t buf[2];
|
|
if( SX126xGetPaSelect( 0 ) == SX1261 )
|
{
|
if( power == 15 )
|
{
|
SX126xSetPaConfig( 0x06, 0x00, 0x01, 0x01 );
|
}
|
else
|
{
|
SX126xSetPaConfig( 0x04, 0x00, 0x01, 0x01 );
|
}
|
if( power >= 14 )
|
{
|
power = 14;
|
}
|
else if( power < -3 )
|
{
|
power = -3;
|
}
|
SX126xWriteRegister( REG_OCP, 0x18 ); // current max is 80 mA for the whole device
|
}
|
else // sx1262
|
{
|
SX126xSetPaConfig( 0x04, 0x07, 0x00, 0x01 );
|
if( power > 22 )
|
{
|
power = 22;
|
}
|
else if( power < -3 )
|
{
|
power = -3;
|
}
|
SX126xWriteRegister( REG_OCP, 0x38 ); // current max 160mA for the whole device
|
}
|
buf[0] = power;
|
buf[1] = ( uint8_t )rampTime;
|
SX126xWriteCommand( RADIO_SET_TXPARAMS, buf, 2 );
|
}
|
|
void SX126xSetModulationParams( ModulationParams_t *modulationParams )
|
{
|
uint8_t n;
|
uint32_t tempVal = 0;
|
uint8_t buf[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
|
// Check if required configuration corresponds to the stored packet type
|
// If not, silently update radio packet type
|
if( PacketType != modulationParams->PacketType )
|
{
|
SX126xSetPacketType( modulationParams->PacketType );
|
}
|
|
switch( modulationParams->PacketType )
|
{
|
case PACKET_TYPE_GFSK:
|
n = 8;
|
tempVal = ( uint32_t )( 32 * XTAL_FREQ / modulationParams->Params.Gfsk.BitRate );
|
buf[0] = ( tempVal >> 16 ) & 0xFF;
|
buf[1] = ( tempVal >> 8 ) & 0xFF;
|
buf[2] = tempVal & 0xFF;
|
buf[3] = modulationParams->Params.Gfsk.ModulationShaping;
|
buf[4] = modulationParams->Params.Gfsk.Bandwidth;
|
tempVal = ( uint32_t )( modulationParams->Params.Gfsk.Fdev * 4/ 15625 * 4096); //( double )modulationParams->Params.Gfsk.Fdev / ( double )FREQ_STEP
|
buf[5] = ( tempVal >> 16 ) & 0xFF;
|
buf[6] = ( tempVal >> 8 ) & 0xFF;
|
buf[7] = ( tempVal& 0xFF );
|
SX126xWriteCommand( RADIO_SET_MODULATIONPARAMS, buf, n );
|
break;
|
case PACKET_TYPE_LORA:
|
n = 4;
|
buf[0] = modulationParams->Params.LoRa.SpreadingFactor;
|
buf[1] = modulationParams->Params.LoRa.Bandwidth;
|
buf[2] = modulationParams->Params.LoRa.CodingRate;
|
buf[3] = modulationParams->Params.LoRa.LowDatarateOptimize;
|
|
SX126xWriteCommand( RADIO_SET_MODULATIONPARAMS, buf, n );
|
|
break;
|
default:
|
case PACKET_TYPE_NONE:
|
return;
|
}
|
}
|
|
void SX126xSetPacketParams( PacketParams_t *packetParams )
|
{
|
uint8_t n;
|
uint8_t crcVal = 0;
|
uint8_t buf[9] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
|
// Check if required configuration corresponds to the stored packet type
|
// If not, silently update radio packet type
|
if( PacketType != packetParams->PacketType )
|
{
|
SX126xSetPacketType( packetParams->PacketType );
|
}
|
|
switch( packetParams->PacketType )
|
{
|
case PACKET_TYPE_GFSK:
|
if( packetParams->Params.Gfsk.CrcLength == RADIO_CRC_2_BYTES_IBM )
|
{
|
SX126xSetCrcSeed( CRC_IBM_SEED );
|
SX126xSetCrcPolynomial( CRC_POLYNOMIAL_IBM );
|
crcVal = RADIO_CRC_2_BYTES;
|
}
|
else if( packetParams->Params.Gfsk.CrcLength == RADIO_CRC_2_BYTES_CCIT )
|
{
|
SX126xSetCrcSeed( CRC_CCITT_SEED );
|
SX126xSetCrcPolynomial( CRC_POLYNOMIAL_CCITT );
|
crcVal = RADIO_CRC_2_BYTES_INV;
|
}
|
else
|
{
|
crcVal = packetParams->Params.Gfsk.CrcLength;
|
}
|
n = 9;
|
buf[0] = ( packetParams->Params.Gfsk.PreambleLength >> 8 ) & 0xFF;
|
buf[1] = packetParams->Params.Gfsk.PreambleLength;
|
buf[2] = packetParams->Params.Gfsk.PreambleMinDetect;
|
buf[3] = ( packetParams->Params.Gfsk.SyncWordLength /*<< 3*/ ); // convert from byte to bit
|
buf[4] = packetParams->Params.Gfsk.AddrComp;
|
buf[5] = packetParams->Params.Gfsk.HeaderType;
|
buf[6] = packetParams->Params.Gfsk.PayloadLength;
|
buf[7] = crcVal;
|
buf[8] = packetParams->Params.Gfsk.DcFree;
|
break;
|
case PACKET_TYPE_LORA:
|
n = 6;
|
buf[0] = ( packetParams->Params.LoRa.PreambleLength >> 8 ) & 0xFF;
|
buf[1] = packetParams->Params.LoRa.PreambleLength;
|
buf[2] = packetParams->Params.LoRa.HeaderType;
|
buf[3] = packetParams->Params.LoRa.PayloadLength;
|
buf[4] = packetParams->Params.LoRa.CrcMode;
|
buf[5] = packetParams->Params.LoRa.InvertIQ;
|
break;
|
default:
|
case PACKET_TYPE_NONE:
|
return;
|
}
|
SX126xWriteCommand( RADIO_SET_PACKETPARAMS, buf, n );
|
}
|
|
void SX126xSetCadParams( RadioLoRaCadSymbols_t cadSymbolNum, uint8_t cadDetPeak, uint8_t cadDetMin, RadioCadExitModes_t cadExitMode, uint32_t cadTimeout )
|
{
|
uint8_t buf[7];
|
|
buf[0] = ( uint8_t )cadSymbolNum;
|
buf[1] = cadDetPeak;
|
buf[2] = cadDetMin;
|
buf[3] = ( uint8_t )cadExitMode;
|
buf[4] = ( uint8_t )( ( cadTimeout >> 16 ) & 0xFF );
|
buf[5] = ( uint8_t )( ( cadTimeout >> 8 ) & 0xFF );
|
buf[6] = ( uint8_t )( cadTimeout & 0xFF );
|
SX126xWriteCommand( RADIO_SET_CADPARAMS, buf, 5 );
|
OperatingMode = MODE_CAD;
|
}
|
|
void SX126xSetBufferBaseAddress( uint8_t txBaseAddress, uint8_t rxBaseAddress )
|
{
|
uint8_t buf[2];
|
|
buf[0] = txBaseAddress;
|
buf[1] = rxBaseAddress;
|
SX126xWriteCommand( RADIO_SET_BUFFERBASEADDRESS, buf, 2 );
|
}
|
|
RadioStatus_t SX126xGetStatus( void )
|
{
|
uint8_t stat = 0;
|
RadioStatus_t status;
|
|
SX126xReadCommand( RADIO_GET_STATUS, ( uint8_t * )&stat, 1 );
|
status.Value = stat;
|
return status;
|
}
|
|
int8_t SX126xGetRssiInst( void )
|
{
|
uint8_t buf[1];
|
int8_t rssi = 0;
|
|
SX126xReadCommand( RADIO_GET_RSSIINST, buf, 1 );
|
rssi = -buf[0] >> 1;
|
return rssi;
|
}
|
|
void SX126xGetRxBufferStatus( uint8_t *payloadLength, uint8_t *rxStartBufferPointer )
|
{
|
uint8_t status[2];
|
|
SX126xReadCommand( RADIO_GET_RXBUFFERSTATUS, status, 2 );
|
|
// In case of LORA fixed header, the payloadLength is obtained by reading
|
// the register REG_LR_PAYLOADLENGTH
|
if( ( SX126xGetPacketType( ) == PACKET_TYPE_LORA ) && ( SX126xReadRegister( REG_LR_PACKETPARAMS ) >> 7 == 1 ) )
|
{
|
*payloadLength = SX126xReadRegister( REG_LR_PAYLOADLENGTH );
|
}
|
else
|
{
|
*payloadLength = status[0];
|
}
|
*rxStartBufferPointer = status[1];
|
}
|
|
void SX126xGetPacketStatus( PacketStatus_t *pktStatus )
|
{
|
uint8_t status[3];
|
|
SX126xReadCommand( RADIO_GET_PACKETSTATUS, status, 3 );
|
|
pktStatus->packetType = SX126xGetPacketType( );
|
switch( pktStatus->packetType )
|
{
|
case PACKET_TYPE_GFSK:
|
pktStatus->Params.Gfsk.RxStatus = status[0];
|
pktStatus->Params.Gfsk.RssiSync = -status[1] >> 1;
|
pktStatus->Params.Gfsk.RssiAvg = -status[2] >> 1;
|
pktStatus->Params.Gfsk.FreqError = 0;
|
break;
|
|
case PACKET_TYPE_LORA:
|
pktStatus->Params.LoRa.RssiPkt = -status[0] >> 1;
|
( status[1] < 128 ) ? ( pktStatus->Params.LoRa.SnrPkt = status[1] >> 2 ) : ( pktStatus->Params.LoRa.SnrPkt = ( ( status[1] - 256 ) >> 2 ) );
|
pktStatus->Params.LoRa.SignalRssiPkt = -status[2] >> 1;
|
pktStatus->Params.LoRa.FreqError = FrequencyError;
|
break;
|
|
default:
|
case PACKET_TYPE_NONE:
|
// In that specific case, we set everything in the pktStatus to zeros
|
// and reset the packet type accordingly
|
memset( pktStatus, 0, sizeof( PacketStatus_t ) );
|
pktStatus->packetType = PACKET_TYPE_NONE;
|
break;
|
}
|
}
|
|
RadioError_t SX126xGetDeviceErrors( void )
|
{
|
RadioError_t error;
|
|
SX126xReadCommand( RADIO_GET_ERROR, ( uint8_t * )&error, 2 );
|
return error;
|
}
|
|
void SX126xClearDeviceErrors( void )
|
{
|
uint8_t buf[2] = { 0x00, 0x00 };
|
SX126xWriteCommand( RADIO_CLR_ERROR, buf, 2 );
|
}
|
|
void SX126xClearIrqStatus( uint16_t irq )
|
{
|
uint8_t buf[2];
|
|
buf[0] = ( uint8_t )( ( ( uint16_t )irq >> 8 ) & 0x00FF );
|
buf[1] = ( uint8_t )( ( uint16_t )irq & 0x00FF );
|
SX126xWriteCommand( RADIO_CLR_IRQSTATUS, buf, 2 );
|
}
|
