896 lines
28 KiB
C
896 lines
28 KiB
C
/*!
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* \file RegionCN470ALIALI.c
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*
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* \brief Region implementation for CN470ALIALI
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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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* ___ _____ _ ___ _ _____ ___ ___ ___ ___
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* / __|_ _/_\ / __| |/ / __/ _ \| _ \/ __| __|
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* \__ \ | |/ _ \ (__| ' <| _| (_) | / (__| _|
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* |___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___|
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* embedded.connectivity.solutions===============
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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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* \author Daniel Jaeckle ( STACKFORCE )
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*/
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#include "utilities.h"
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#include "RegionCommon.h"
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#include "RegionCN470ALI.h"
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#include "lorawan_conf.h"
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#include "mw_log_conf.h"
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// Definitions
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#define CHANNELS_MASK_SIZE 6
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/*!
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* Region specific context
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*/
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typedef struct sRegionCN470ALINvmCtx
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{
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/*!
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* LoRaMAC channels
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*/
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ChannelParams_t Channels[ CN470ALI_MAX_NB_CHANNELS ];
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/*!
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* LoRaMac bands
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*/
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Band_t Bands[ CN470ALI_MAX_NB_BANDS ];
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/*!
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* LoRaMac channels mask
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*/
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uint16_t ChannelsMask[ CHANNELS_MASK_SIZE ];
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/*!
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* LoRaMac channels default mask
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*/
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uint16_t ChannelsDefaultMask[ CHANNELS_MASK_SIZE ];
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}RegionCN470ALINvmCtx_t;
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/*
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* Non-volatile module context.
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*/
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static RegionCN470ALINvmCtx_t NvmCtx;
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// Static functions
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static int8_t GetNextLowerTxDr( int8_t dr, int8_t minDr )
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{
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uint8_t nextLowerDr = 0;
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if( dr == minDr )
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{
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nextLowerDr = minDr;
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}
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else
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{
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nextLowerDr = dr - 1;
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}
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return nextLowerDr;
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}
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static uint32_t GetBandwidth( uint32_t drIndex )
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{
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switch( BandwidthsCN470ALI[drIndex] )
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{
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default:
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case 125000:
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return 0;
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case 250000:
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return 1;
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case 500000:
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return 2;
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}
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}
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static int8_t LimitTxPower( int8_t txPower, int8_t maxBandTxPower, int8_t datarate, uint16_t* channelsMask )
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{
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int8_t txPowerResult = txPower;
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// Limit tx power to the band max
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txPowerResult = MAX( txPower, maxBandTxPower );
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return txPowerResult;
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}
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static bool VerifyRfFreq( uint32_t freq )
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{
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// Check radio driver support
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if( Radio.CheckRfFrequency( freq ) == false )
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{
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return false;
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}
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#if ((ALI_DOWNLINK_FREQ == ALI_FREQ470_S) || (ALI_DOWNLINK_FREQ == ALI_FREQ480_D))
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// Rx frequencies
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if((freq < 503500000) && (freq >476500000))
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{
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return false;
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}
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#endif
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// Rx frequencies
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if( ( freq < CN470ALI_FIRST_RX1_CHANNEL ) ||
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( freq > CN470ALI_LAST_RX1_CHANNEL ) ||
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( ( ( freq - ( uint32_t ) CN470ALI_FIRST_RX1_CHANNEL ) % ( uint32_t ) CN470ALI_STEPWIDTH_RX1_CHANNEL ) != 0 ) )
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{
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return false;
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}
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// Test for frequency range - take RX and TX freqencies into account
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if( ( freq < 470300000 ) || ( freq > 509700000 ) )
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{
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return false;
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}
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return true;
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}
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static uint8_t CountNbOfEnabledChannels( uint8_t datarate, uint16_t* channelsMask, ChannelParams_t* channels, Band_t* bands, uint8_t* enabledChannels, uint8_t* delayTx )
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{
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uint8_t nbEnabledChannels = 0;
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uint8_t delayTransmission = 0;
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for( uint8_t i = 0, k = 0; i < CN470ALI_MAX_NB_CHANNELS; i += 16, k++ )
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{
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for( uint8_t j = 0; j < 16; j++ )
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{
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if( ( channelsMask[k] & ( 1 << j ) ) != 0 )
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{
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if( channels[i + j].Frequency == 0 )
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{ // Check if the channel is enabled
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continue;
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}
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if( RegionCommonValueInRange( datarate, channels[i + j].DrRange.Fields.Min,
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channels[i + j].DrRange.Fields.Max ) == false )
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{ // Check if the current channel selection supports the given datarate
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continue;
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}
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if( bands[channels[i + j].Band].TimeOff > 0 )
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{ // Check if the band is available for transmission
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delayTransmission++;
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continue;
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}
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enabledChannels[nbEnabledChannels++] = i + j;
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}
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}
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}
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*delayTx = delayTransmission;
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return nbEnabledChannels;
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}
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PhyParam_t RegionCN470ALIGetPhyParam( GetPhyParams_t* getPhy )
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{
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PhyParam_t phyParam = { 0 };
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switch( getPhy->Attribute )
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{
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case PHY_MIN_RX_DR:
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{
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phyParam.Value = CN470ALI_RX_MIN_DATARATE;
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break;
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}
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case PHY_MIN_TX_DR:
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{
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phyParam.Value = CN470ALI_TX_MIN_DATARATE;
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break;
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}
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case PHY_DEF_TX_DR:
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{
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phyParam.Value = CN470ALI_DEFAULT_DATARATE;
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break;
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}
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case PHY_NEXT_LOWER_TX_DR:
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{
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/*next low speed*/
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phyParam.Value = GetNextLowerTxDr( getPhy->Datarate, DR_0);
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break;
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}
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case PHY_MAX_TX_POWER:
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{
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phyParam.Value = CN470ALI_MAX_TX_POWER;
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break;
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}
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case PHY_DEF_TX_POWER:
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{
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phyParam.Value = CN470ALI_DEFAULT_TX_POWER;
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break;
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}
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case PHY_DEF_ADR_ACK_LIMIT:
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{
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phyParam.Value = CN470ALI_ADR_ACK_LIMIT;
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break;
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}
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case PHY_DEF_ADR_ACK_DELAY:
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{
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phyParam.Value = CN470ALI_ADR_ACK_DELAY;
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break;
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}
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case PHY_MAX_PAYLOAD:
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{
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phyParam.Value = MaxPayloadOfDatarateCN470ALI[getPhy->Datarate];
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break;
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}
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case PHY_MAX_PAYLOAD_REPEATER:
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{
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phyParam.Value = MaxPayloadOfDatarateRepeaterCN470ALI[getPhy->Datarate];
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break;
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}
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case PHY_DUTY_CYCLE:
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{
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phyParam.Value = CN470ALI_DUTY_CYCLE_ENABLED;
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break;
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}
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case PHY_MAX_RX_WINDOW:
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{
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phyParam.Value = CN470ALI_MAX_RX_WINDOW;
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break;
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}
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case PHY_RECEIVE_DELAY1:
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{
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phyParam.Value = CN470ALI_RECEIVE_DELAY1;
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break;
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}
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case PHY_RECEIVE_DELAY2:
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{
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phyParam.Value = CN470ALI_RECEIVE_DELAY2;
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break;
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}
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case PHY_JOIN_ACCEPT_DELAY1:
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{
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phyParam.Value = CN470ALI_JOIN_ACCEPT_DELAY1;
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break;
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}
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case PHY_JOIN_ACCEPT_DELAY2:
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{
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phyParam.Value = CN470ALI_JOIN_ACCEPT_DELAY2;
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break;
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}
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case PHY_MAX_FCNT_GAP:
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{
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phyParam.Value = CN470ALI_MAX_FCNT_GAP;
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break;
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}
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case PHY_ACK_TIMEOUT:
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{
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/*===============================ALI_Region==============================================*/
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phyParam.Value = ( CN470ALI_ACKTIMEOUT)+ randr( -CN470ALI_ACK_TIMEOUT_RND, CN470ALI_ACK_TIMEOUT_RND );
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/*=======================================================================================*/
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break;
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}
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case PHY_DEF_DR1_OFFSET:
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{
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phyParam.Value = CN470ALI_DEFAULT_RX1_DR_OFFSET;
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break;
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}
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case PHY_DEF_RX2_FREQUENCY:
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{
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phyParam.Value = CN470ALI_RX_WND_2_FREQ;
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break;
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}
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case PHY_DEF_RX2_DR:
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{
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phyParam.Value = CN470ALI_RX_WND_2_DR;
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break;
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}
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case PHY_CHANNELS_MASK:
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{
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phyParam.ChannelsMask = NvmCtx.ChannelsMask;
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break;
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}
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case PHY_CHANNELS_DEFAULT_MASK:
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{
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phyParam.ChannelsMask = NvmCtx.ChannelsDefaultMask;
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break;
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}
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case PHY_MAX_NB_CHANNELS:
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{
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phyParam.Value = CN470ALI_MAX_NB_CHANNELS;
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break;
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}
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case PHY_CHANNELS:
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{
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phyParam.Channels = NvmCtx.Channels;
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break;
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}
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case PHY_DEF_UPLINK_DWELL_TIME:
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case PHY_DEF_DOWNLINK_DWELL_TIME:
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{
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phyParam.Value = 0;
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break;
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}
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case PHY_DEF_MAX_EIRP:
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{
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phyParam.fValue = CN470ALI_DEFAULT_MAX_EIRP;
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break;
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}
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case PHY_DEF_ANTENNA_GAIN:
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{
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phyParam.fValue = CN470ALI_DEFAULT_ANTENNA_GAIN;
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break;
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}
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case PHY_BEACON_FORMAT:
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{
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phyParam.BeaconFormat.BeaconSize = CN470ALI_BEACON_SIZE;
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phyParam.BeaconFormat.Rfu1Size = CN470ALI_RFU1_SIZE;
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phyParam.BeaconFormat.Rfu2Size = CN470ALI_RFU2_SIZE;
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break;
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}
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case PHY_BEACON_CHANNEL_DR:
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{
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phyParam.Value = CN470ALI_BEACON_CHANNEL_DR;
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break;
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}
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case PHY_BEACON_CHANNEL_STEPWIDTH:
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{
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phyParam.Value = CN470ALI_BEACON_CHANNEL_STEPWIDTH;
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break;
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}
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case PHY_BEACON_NB_CHANNELS:
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{
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phyParam.Value = CN470ALI_BEACON_NB_CHANNELS;
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break;
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}
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case PHY_PING_SLOT_CHANNEL_DR:
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{
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phyParam.Value = CN470ALI_PING_SLOT_CHANNEL_DR;
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break;
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}
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default:
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{
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break;
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}
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}
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return phyParam;
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}
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void RegionCN470ALISetBandTxDone( SetBandTxDoneParams_t* txDone )
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{
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RegionCommonSetBandTxDone( txDone->Joined, &NvmCtx.Bands[NvmCtx.Channels[txDone->Channel].Band], txDone->LastTxDoneTime );
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}
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void RegionCN470ALIInitDefaults( InitDefaultsParams_t* params )
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{
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Band_t bands[CN470ALI_MAX_NB_BANDS] =
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{
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CN470ALI_BAND0
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};
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switch( params->Type )
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{
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case INIT_TYPE_INIT:
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{
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// Initialize bands
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memcpy1( ( uint8_t* )NvmCtx.Bands, ( uint8_t* )bands, sizeof( Band_t ) * CN470ALI_MAX_NB_BANDS );
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/*===============================ALI_Region==============================================*/
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// Channels
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// 125 kHz channels
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#if (ALI_DOWNLINK_FREQ == ALI_FREQ470_S)||(ALI_DOWNLINK_FREQ == ALI_FREQ470_D)
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for( uint8_t i = 0; i < 32; i++ )
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{
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NvmCtx.Channels[i].Frequency = 470300000 + i * 200000;
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NvmCtx.Channels[i].DrRange.Value = ( DR_5 << 4 ) | DR_0;
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NvmCtx.Channels[i].Band = 0;
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}
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for( uint8_t i = 32; i < CN470ALI_MAX_NB_CHANNELS; i++ )
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{
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NvmCtx.Channels[i].Frequency = 470300000 + (i + (166-32)) * 200000;
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NvmCtx.Channels[i].DrRange.Value = ( DR_5 << 4 ) | DR_0;
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NvmCtx.Channels[i].Band = 0;
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}
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#else
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for(i=0; i<CN470ALI_MAX_NB_CHANNELS; i++)
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{
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Channels[i].Frequency = 470300000 + (i + 68) * 200000;
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Channels[i].DrRange.Value = ( DR_5 << 4 ) | DR_0;
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Channels[i].Band = 0;
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}
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#endif
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// Initialize the channels default mask
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NvmCtx.ChannelsDefaultMask[0] = 0xFFFF;
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NvmCtx.ChannelsDefaultMask[1] = 0xFFFF;
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NvmCtx.ChannelsDefaultMask[2] = 0xFFFF;
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NvmCtx.ChannelsDefaultMask[3] = 0xFFFF;
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NvmCtx.ChannelsDefaultMask[4] = 0;
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NvmCtx.ChannelsDefaultMask[5] = 0;
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/*=======================================================================================*/
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// Update the channels mask
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RegionCommonChanMaskCopy( NvmCtx.ChannelsMask, NvmCtx.ChannelsDefaultMask, 6 );
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break;
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}
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case INIT_TYPE_RESTORE_CTX:
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{
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if( params->NvmCtx != 0 )
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{
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memcpy1( (uint8_t*) &NvmCtx, (uint8_t*) params->NvmCtx, sizeof( NvmCtx ) );
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}
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break;
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}
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case INIT_TYPE_RESTORE_DEFAULT_CHANNELS:
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{
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// Restore channels default mask
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RegionCommonChanMaskCopy( NvmCtx.ChannelsMask, NvmCtx.ChannelsDefaultMask, 6 );
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break;
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}
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default:
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{
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break;
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}
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}
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}
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void* RegionCN470ALIGetNvmCtx( GetNvmCtxParams_t* params )
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{
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params->nvmCtxSize = sizeof( RegionCN470ALINvmCtx_t );
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return &NvmCtx;
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}
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bool RegionCN470ALIVerify( VerifyParams_t* verify, PhyAttribute_t phyAttribute )
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{
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switch( phyAttribute )
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{
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case PHY_FREQUENCY:
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{
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return VerifyRfFreq( verify->Frequency );
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}
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case PHY_TX_DR:
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case PHY_DEF_TX_DR:
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{
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return RegionCommonValueInRange( verify->DatarateParams.Datarate, CN470ALI_TX_MIN_DATARATE, CN470ALI_TX_MAX_DATARATE );
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}
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case PHY_RX_DR:
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{
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return RegionCommonValueInRange( verify->DatarateParams.Datarate, CN470ALI_RX_MIN_DATARATE, CN470ALI_RX_MAX_DATARATE );
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}
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case PHY_DEF_TX_POWER:
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case PHY_TX_POWER:
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{
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// Remark: switched min and max!
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return RegionCommonValueInRange( verify->TxPower, CN470ALI_MAX_TX_POWER, CN470ALI_MIN_TX_POWER );
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}
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case PHY_DUTY_CYCLE:
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{
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return CN470ALI_DUTY_CYCLE_ENABLED;
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}
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default:
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return false;
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}
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}
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void RegionCN470ALIApplyCFList( ApplyCFListParams_t* applyCFList )
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{
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// Size of the optional CF list must be 16 byte
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if( applyCFList->Size != 16 )
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{
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return;
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}
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// Last byte CFListType must be 0x01 to indicate the CFList contains a series of ChMask fields
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if( applyCFList->Payload[15] != 0x01 )
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{
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return;
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}
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// ChMask0 - ChMask5 must be set (every ChMask has 16 bit)
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for( uint8_t chMaskItr = 0, cntPayload = 0; chMaskItr <= 5; chMaskItr++, cntPayload+=2 )
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{
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NvmCtx.ChannelsMask[chMaskItr] = (uint16_t) (0x00FF & applyCFList->Payload[cntPayload]);
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NvmCtx.ChannelsMask[chMaskItr] |= (uint16_t) (applyCFList->Payload[cntPayload+1] << 8);
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}
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}
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bool RegionCN470ALIChanMaskSet( ChanMaskSetParams_t* chanMaskSet )
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{
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switch( chanMaskSet->ChannelsMaskType )
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{
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case CHANNELS_MASK:
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{
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RegionCommonChanMaskCopy( NvmCtx.ChannelsMask, chanMaskSet->ChannelsMaskIn, 6 );
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break;
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}
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case CHANNELS_DEFAULT_MASK:
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{
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RegionCommonChanMaskCopy( NvmCtx.ChannelsDefaultMask, chanMaskSet->ChannelsMaskIn, 6 );
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break;
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}
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default:
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return false;
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}
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return true;
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}
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void RegionCN470ALIComputeRxWindowParameters( int8_t datarate, uint8_t minRxSymbols, uint32_t rxError, RxConfigParams_t *rxConfigParams )
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{
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double tSymbol = 0.0;
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|
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// Get the datarate, perform a boundary check
|
|
rxConfigParams->Datarate = MIN( datarate, CN470ALI_RX_MAX_DATARATE );
|
|
rxConfigParams->Bandwidth = GetBandwidth( rxConfigParams->Datarate );
|
|
|
|
tSymbol = RegionCommonComputeSymbolTimeLoRa( DataratesCN470ALI[rxConfigParams->Datarate], BandwidthsCN470ALI[rxConfigParams->Datarate] );
|
|
|
|
RegionCommonComputeRxWindowParameters( tSymbol, minRxSymbols, rxError, Radio.GetWakeupTime( ), &rxConfigParams->WindowTimeout, &rxConfigParams->WindowOffset );
|
|
}
|
|
|
|
bool RegionCN470ALIRxConfig( RxConfigParams_t* rxConfig, int8_t* datarate )
|
|
{
|
|
int8_t dr = rxConfig->Datarate;
|
|
uint8_t maxPayload = 0;
|
|
int8_t phyDr = 0;
|
|
uint32_t frequency = rxConfig->Frequency;
|
|
const char *slotStrings[] = { "1", "2", "C", "Multi_C", "P", "Multi_P" };
|
|
|
|
if( Radio.GetStatus( ) != RF_IDLE )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if( rxConfig->RxSlot == RX_SLOT_WIN_1 )
|
|
{
|
|
#if (ALI_DOWNLINK_FREQ == ALI_FREQ470_S || ALI_DOWNLINK_FREQ == ALI_FREQ480_D)
|
|
if(rxConfig->Channel <32)
|
|
frequency = CN470ALI_FIRST_RX1_CHANNEL + ( rxConfig->Channel % 64 ) * CN470ALI_STEPWIDTH_RX1_CHANNEL;
|
|
else
|
|
frequency = (uint32_t)503500000 + ((rxConfig->Channel-32) % 64 ) * CN470ALI_STEPWIDTH_RX1_CHANNEL;
|
|
|
|
#else
|
|
// Apply window 1 frequency
|
|
frequency = CN470ALI_FIRST_RX1_CHANNEL + ( rxConfig->Channel % 64 ) * CN470ALI_STEPWIDTH_RX1_CHANNEL;
|
|
#endif
|
|
}
|
|
|
|
// Read the physical datarate from the datarates table
|
|
phyDr = DataratesCN470ALI[dr];
|
|
|
|
Radio.SetChannel( frequency );
|
|
|
|
// Radio configuration
|
|
Radio.SetRxConfig( MODEM_LORA, rxConfig->Bandwidth, phyDr, 1, 0, 8, rxConfig->WindowTimeout, false, 0, false, 0, 0, true, rxConfig->RxContinuous );
|
|
|
|
if( rxConfig->RepeaterSupport == true )
|
|
{
|
|
maxPayload = MaxPayloadOfDatarateRepeaterCN470ALI[dr];
|
|
}
|
|
else
|
|
{
|
|
maxPayload = MaxPayloadOfDatarateCN470ALI[dr];
|
|
}
|
|
Radio.SetMaxPayloadLength( MODEM_LORA, maxPayload + LORA_MAC_FRMPAYLOAD_OVERHEAD );
|
|
if ( rxConfig->RxSlot < RX_SLOT_NONE )
|
|
{
|
|
MW_LOG( "RX_%s on freq %d Hz at DR %d\n\r", slotStrings[rxConfig->RxSlot], frequency, dr );
|
|
}
|
|
else
|
|
{
|
|
MW_LOG( "RX on freq %d Hz at DR %d\n\r", frequency, dr );
|
|
}
|
|
|
|
*datarate = (uint8_t) dr;
|
|
return true;
|
|
}
|
|
|
|
bool RegionCN470ALITxConfig( TxConfigParams_t* txConfig, int8_t* txPower, TimerTime_t* txTimeOnAir )
|
|
{
|
|
int8_t phyDr = DataratesCN470ALI[txConfig->Datarate];
|
|
int8_t txPowerLimited = LimitTxPower( txConfig->TxPower, NvmCtx.Bands[NvmCtx.Channels[txConfig->Channel].Band].TxMaxPower, txConfig->Datarate, NvmCtx.ChannelsMask );
|
|
int8_t phyTxPower = 0;
|
|
|
|
// Calculate physical TX power
|
|
phyTxPower = RegionCommonComputeTxPower( txPowerLimited, txConfig->MaxEirp, txConfig->AntennaGain );
|
|
|
|
// Setup the radio frequency
|
|
Radio.SetChannel( NvmCtx.Channels[txConfig->Channel].Frequency );
|
|
|
|
Radio.SetTxConfig( MODEM_LORA, phyTxPower, 0, 0, phyDr, 1, 8, false, true, 0, 0, false, 4000 );
|
|
MW_LOG( "TX on freq %d Hz at DR %d,TxPower %d\n\r", NvmCtx.Channels[txConfig->Channel].Frequency, txConfig->Datarate ,phyTxPower);
|
|
|
|
// Setup maximum payload lenght of the radio driver
|
|
Radio.SetMaxPayloadLength( MODEM_LORA, txConfig->PktLen );
|
|
// Get the time-on-air of the next tx frame
|
|
*txTimeOnAir = Radio.TimeOnAir( MODEM_LORA, txConfig->PktLen );
|
|
*txPower = txPowerLimited;
|
|
|
|
return true;
|
|
}
|
|
|
|
uint8_t RegionCN470ALILinkAdrReq( LinkAdrReqParams_t* linkAdrReq, int8_t* drOut, int8_t* txPowOut, uint8_t* nbRepOut, uint8_t* nbBytesParsed )
|
|
{
|
|
uint8_t status = 0x07;
|
|
RegionCommonLinkAdrParams_t linkAdrParams;
|
|
uint8_t nextIndex = 0;
|
|
uint8_t bytesProcessed = 0;
|
|
uint16_t channelsMask[6] = { 0, 0, 0, 0, 0, 0 };
|
|
GetPhyParams_t getPhy;
|
|
PhyParam_t phyParam;
|
|
RegionCommonLinkAdrReqVerifyParams_t linkAdrVerifyParams;
|
|
|
|
// Initialize local copy of channels mask
|
|
RegionCommonChanMaskCopy( channelsMask, NvmCtx.ChannelsMask, 6 );
|
|
|
|
while( bytesProcessed < linkAdrReq->PayloadSize )
|
|
{
|
|
// Get ADR request parameters
|
|
nextIndex = RegionCommonParseLinkAdrReq( &( linkAdrReq->Payload[bytesProcessed] ), &linkAdrParams );
|
|
|
|
if( nextIndex == 0 )
|
|
break; // break loop, since no more request has been found
|
|
|
|
// Update bytes processed
|
|
bytesProcessed += nextIndex;
|
|
|
|
// Revert status, as we only check the last ADR request for the channel mask KO
|
|
status = 0x07;
|
|
|
|
/*===============================ALI_Region==============================================*/
|
|
if( linkAdrParams.ChMaskCtrl >4 )
|
|
{
|
|
status &= 0xFE; // Channel mask KO
|
|
}
|
|
else if( linkAdrParams.ChMaskCtrl == 4)
|
|
{
|
|
// Enable all 125 kHz channels
|
|
channelsMask[0] = 0xFFFF;
|
|
channelsMask[1] = 0xFFFF;
|
|
channelsMask[2] = 0xFFFF;
|
|
channelsMask[3] = 0xFFFF;
|
|
channelsMask[4] = 0;
|
|
channelsMask[5] = 0;
|
|
}
|
|
else
|
|
{
|
|
for( uint8_t i = 0; i < 16; i++ )
|
|
{
|
|
if( ( ( linkAdrParams.ChMask & ( 1 << i ) ) != 0 ) &&
|
|
( NvmCtx.Channels[linkAdrParams.ChMaskCtrl * 16 + i].Frequency == 0 ) )
|
|
{// Trying to enable an undefined channel
|
|
status &= 0xFE; // Channel mask KO
|
|
}
|
|
}
|
|
channelsMask[linkAdrParams.ChMaskCtrl] = linkAdrParams.ChMask;
|
|
}
|
|
}
|
|
/*========================================================================================*/
|
|
|
|
// Get the minimum possible datarate
|
|
getPhy.Attribute = PHY_MIN_TX_DR;
|
|
getPhy.UplinkDwellTime = linkAdrReq->UplinkDwellTime;
|
|
phyParam = RegionCN470ALIGetPhyParam( &getPhy );
|
|
|
|
linkAdrVerifyParams.Status = status;
|
|
linkAdrVerifyParams.AdrEnabled = linkAdrReq->AdrEnabled;
|
|
linkAdrVerifyParams.Datarate = linkAdrParams.Datarate;
|
|
linkAdrVerifyParams.TxPower = linkAdrParams.TxPower;
|
|
linkAdrVerifyParams.NbRep = linkAdrParams.NbRep;
|
|
linkAdrVerifyParams.CurrentDatarate = linkAdrReq->CurrentDatarate;
|
|
linkAdrVerifyParams.CurrentTxPower = linkAdrReq->CurrentTxPower;
|
|
linkAdrVerifyParams.CurrentNbRep = linkAdrReq->CurrentNbRep;
|
|
linkAdrVerifyParams.NbChannels = CN470ALI_MAX_NB_CHANNELS;
|
|
linkAdrVerifyParams.ChannelsMask = channelsMask;
|
|
linkAdrVerifyParams.MinDatarate = ( int8_t )phyParam.Value;
|
|
linkAdrVerifyParams.MaxDatarate = CN470ALI_TX_MAX_DATARATE;
|
|
linkAdrVerifyParams.Channels = NvmCtx.Channels;
|
|
linkAdrVerifyParams.MinTxPower = CN470ALI_MIN_TX_POWER;
|
|
linkAdrVerifyParams.MaxTxPower = CN470ALI_MAX_TX_POWER;
|
|
linkAdrVerifyParams.Version = linkAdrReq->Version;
|
|
|
|
// Verify the parameters and update, if necessary
|
|
status = RegionCommonLinkAdrReqVerifyParams( &linkAdrVerifyParams, &linkAdrParams.Datarate, &linkAdrParams.TxPower, &linkAdrParams.NbRep );
|
|
|
|
// Update channelsMask if everything is correct
|
|
if( status == 0x07 )
|
|
{
|
|
// Copy Mask
|
|
RegionCommonChanMaskCopy( NvmCtx.ChannelsMask, channelsMask, 6 );
|
|
}
|
|
|
|
// Update status variables
|
|
*drOut = linkAdrParams.Datarate;
|
|
*txPowOut = linkAdrParams.TxPower;
|
|
*nbRepOut = linkAdrParams.NbRep;
|
|
*nbBytesParsed = bytesProcessed;
|
|
|
|
return status;
|
|
}
|
|
|
|
uint8_t RegionCN470ALIRxParamSetupReq( RxParamSetupReqParams_t* rxParamSetupReq )
|
|
{
|
|
uint8_t status = 0x07;
|
|
|
|
// Verify radio frequency
|
|
if( VerifyRfFreq( rxParamSetupReq->Frequency ) == false )
|
|
{
|
|
status &= 0xFE; // Channel frequency KO
|
|
}
|
|
|
|
// Verify datarate
|
|
if( RegionCommonValueInRange( rxParamSetupReq->Datarate, CN470ALI_RX_MIN_DATARATE, CN470ALI_RX_MAX_DATARATE ) == false )
|
|
{
|
|
status &= 0xFD; // Datarate KO
|
|
}
|
|
|
|
// Verify datarate offset
|
|
if( RegionCommonValueInRange( rxParamSetupReq->DrOffset, CN470ALI_MIN_RX1_DR_OFFSET, CN470ALI_MAX_RX1_DR_OFFSET ) == false )
|
|
{
|
|
status &= 0xFB; // Rx1DrOffset range KO
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
uint8_t RegionCN470ALINewChannelReq( NewChannelReqParams_t* newChannelReq )
|
|
{
|
|
// Datarate and frequency KO
|
|
return 0;
|
|
}
|
|
|
|
int8_t RegionCN470ALITxParamSetupReq( TxParamSetupReqParams_t* txParamSetupReq )
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
uint8_t RegionCN470ALIDlChannelReq( DlChannelReqParams_t* dlChannelReq )
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*===============================ALI_Region==============================================*/
|
|
int8_t RegionCN470ALIAlternateDr( int8_t currentDr, AlternateDrType_t type )
|
|
{
|
|
static uint16_t JoinRequestTrials;
|
|
if(ALTERNATE_DR == type)
|
|
{
|
|
++JoinRequestTrials;
|
|
return ((JoinRequestTrials%2) ? DR_2 : DR_3);
|
|
}
|
|
return currentDr;
|
|
}
|
|
/*=======================================================================================*/
|
|
|
|
void RegionCN470ALICalcBackOff( CalcBackOffParams_t* calcBackOff )
|
|
{
|
|
RegionCommonCalcBackOffParams_t calcBackOffParams;
|
|
|
|
calcBackOffParams.Channels = NvmCtx.Channels;
|
|
calcBackOffParams.Bands = NvmCtx.Bands;
|
|
calcBackOffParams.LastTxIsJoinRequest = calcBackOff->LastTxIsJoinRequest;
|
|
calcBackOffParams.Joined = calcBackOff->Joined;
|
|
calcBackOffParams.DutyCycleEnabled = calcBackOff->DutyCycleEnabled;
|
|
calcBackOffParams.Channel = calcBackOff->Channel;
|
|
calcBackOffParams.ElapsedTime = calcBackOff->ElapsedTime;
|
|
calcBackOffParams.TxTimeOnAir = calcBackOff->TxTimeOnAir;
|
|
|
|
RegionCommonCalcBackOff( &calcBackOffParams );
|
|
}
|
|
|
|
LoRaMacStatus_t RegionCN470ALINextChannel( NextChanParams_t* nextChanParams, uint8_t* channel, TimerTime_t* time, TimerTime_t* aggregatedTimeOff )
|
|
{
|
|
uint8_t nbEnabledChannels = 0;
|
|
uint8_t delayTx = 0;
|
|
uint8_t enabledChannels[CN470ALI_MAX_NB_CHANNELS] = { 0 };
|
|
TimerTime_t nextTxDelay = 0;
|
|
|
|
// Count 125kHz channels
|
|
if( RegionCommonCountChannels( NvmCtx.ChannelsMask, 0, 6 ) == 0 )
|
|
{ // Reactivate default channels
|
|
NvmCtx.ChannelsMask[0] = 0xFFFF;
|
|
NvmCtx.ChannelsMask[1] = 0xFFFF;
|
|
NvmCtx.ChannelsMask[2] = 0xFFFF;
|
|
NvmCtx.ChannelsMask[3] = 0xFFFF;
|
|
NvmCtx.ChannelsMask[4] = 0;
|
|
NvmCtx.ChannelsMask[5] = 0;
|
|
}
|
|
|
|
TimerTime_t elapsed = TimerGetElapsedTime( nextChanParams->LastAggrTx );
|
|
if( ( nextChanParams->LastAggrTx == 0 ) || ( nextChanParams->AggrTimeOff <= elapsed ) )
|
|
{
|
|
// Reset Aggregated time off
|
|
*aggregatedTimeOff = 0;
|
|
|
|
// Update bands Time OFF
|
|
nextTxDelay = RegionCommonUpdateBandTimeOff( nextChanParams->Joined, nextChanParams->DutyCycleEnabled, NvmCtx.Bands, CN470ALI_MAX_NB_BANDS );
|
|
|
|
// Search how many channels are enabled
|
|
nbEnabledChannels = CountNbOfEnabledChannels( nextChanParams->Datarate,
|
|
NvmCtx.ChannelsMask, NvmCtx.Channels,
|
|
NvmCtx.Bands, enabledChannels, &delayTx );
|
|
}
|
|
else
|
|
{
|
|
delayTx++;
|
|
nextTxDelay = nextChanParams->AggrTimeOff - elapsed;
|
|
}
|
|
|
|
if( nbEnabledChannels > 0 )
|
|
{
|
|
// We found a valid channel
|
|
*channel = enabledChannels[randr( 0, nbEnabledChannels - 1 )];
|
|
|
|
*time = 0;
|
|
return LORAMAC_STATUS_OK;
|
|
}
|
|
else
|
|
{
|
|
if( delayTx > 0 )
|
|
{
|
|
// Delay transmission due to AggregatedTimeOff or to a band time off
|
|
*time = nextTxDelay;
|
|
return LORAMAC_STATUS_DUTYCYCLE_RESTRICTED;
|
|
}
|
|
// Datarate not supported by any channel
|
|
*time = 0;
|
|
return LORAMAC_STATUS_NO_CHANNEL_FOUND;
|
|
}
|
|
}
|
|
|
|
LoRaMacStatus_t RegionCN470ALIChannelAdd( ChannelAddParams_t* channelAdd )
|
|
{
|
|
return LORAMAC_STATUS_PARAMETER_INVALID;
|
|
}
|
|
|
|
bool RegionCN470ALIChannelsRemove( ChannelRemoveParams_t* channelRemove )
|
|
{
|
|
return LORAMAC_STATUS_PARAMETER_INVALID;
|
|
}
|
|
|
|
void RegionCN470ALISetContinuousWave( ContinuousWaveParams_t* continuousWave )
|
|
{
|
|
int8_t txPowerLimited = LimitTxPower( continuousWave->TxPower, NvmCtx.Bands[NvmCtx.Channels[continuousWave->Channel].Band].TxMaxPower, continuousWave->Datarate, NvmCtx.ChannelsMask );
|
|
int8_t phyTxPower = 0;
|
|
uint32_t frequency = NvmCtx.Channels[continuousWave->Channel].Frequency;
|
|
|
|
// Calculate physical TX power
|
|
phyTxPower = RegionCommonComputeTxPower( txPowerLimited, continuousWave->MaxEirp, continuousWave->AntennaGain );
|
|
|
|
Radio.SetTxContinuousWave( frequency, phyTxPower, continuousWave->Timeout );
|
|
}
|
|
|
|
uint8_t RegionCN470ALIApplyDrOffset( uint8_t downlinkDwellTime, int8_t dr, int8_t drOffset )
|
|
{
|
|
int8_t datarate = dr - drOffset;
|
|
|
|
if( datarate < 0 )
|
|
{
|
|
datarate = DR_0;
|
|
}
|
|
return datarate;
|
|
}
|
|
|
|
void RegionCN470ALIRxBeaconSetup( RxBeaconSetup_t* rxBeaconSetup, uint8_t* outDr )
|
|
{
|
|
RegionCommonRxBeaconSetupParams_t regionCommonRxBeaconSetup;
|
|
|
|
regionCommonRxBeaconSetup.Datarates = DataratesCN470ALI;
|
|
regionCommonRxBeaconSetup.Frequency = rxBeaconSetup->Frequency;
|
|
regionCommonRxBeaconSetup.BeaconSize = CN470ALI_BEACON_SIZE;
|
|
regionCommonRxBeaconSetup.BeaconDatarate = CN470ALI_BEACON_CHANNEL_DR;
|
|
regionCommonRxBeaconSetup.BeaconChannelBW = CN470ALI_BEACON_CHANNEL_BW;
|
|
regionCommonRxBeaconSetup.RxTime = rxBeaconSetup->RxTime;
|
|
regionCommonRxBeaconSetup.SymbolTimeout = rxBeaconSetup->SymbolTimeout;
|
|
|
|
RegionCommonRxBeaconSetup( ®ionCommonRxBeaconSetup );
|
|
|
|
// Store downlink datarate
|
|
*outDr = CN470ALI_BEACON_CHANNEL_DR;
|
|
}
|