Terence Huang / LoRaWAN-SX1276-Light

light sensor

Dependencies:   X_NUCLEO_IKS01A1 LoRaWAN-lib SX1276Lib mbed

Fork of LoRaWAN-SX1276-Application-Demo by Uttam Bhat

app/LoRaDeviceStateProc.cpp@6:25f847c99aa2, 2017-09-09 (annotated)

Committer:
ubhat
Date:
Sat Sep 09 00:26:19 2017 +0000
Revision:
6:25f847c99aa2
Parent:
0:42863a11464a 
Changed packet format to Senet Packet Format for numeric stream on M2X

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ubhat 0:42863a11464a 1 /*
ubhat 0:42863a11464a 2 / _____) _ | |
ubhat 0:42863a11464a 3 ( (____ _____ ____ _| |_ _____ ____| |__
ubhat 0:42863a11464a 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
ubhat 0:42863a11464a 5 _____) ) ____| | | || |_| ____( (___| | | |
ubhat 0:42863a11464a 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
ubhat 0:42863a11464a 7 (C)2015 Semtech
ubhat 0:42863a11464a 8
ubhat 0:42863a11464a 9 Description: Process function calls from various Device states
ubhat 0:42863a11464a 10
ubhat 0:42863a11464a 11 License: Revised BSD License, see LICENSE.TXT file include in the project
ubhat 0:42863a11464a 12
ubhat 0:42863a11464a 13 Maintainer: Uttam Bhat
ubhat 0:42863a11464a 14 */
ubhat 0:42863a11464a 15
ubhat 0:42863a11464a 16 #include "LoRaDeviceStateProc.h"
ubhat 0:42863a11464a 17 #include "LoRaMacLayerService.h"
ubhat 0:42863a11464a 18
ubhat 0:42863a11464a 19 eDevicState DeviceState;
ubhat 0:42863a11464a 20
ubhat 0:42863a11464a 21 sLoRaMacUplinkStatus LoRaMacUplinkStatus;
ubhat 0:42863a11464a 22
ubhat 0:42863a11464a 23 sLoRaMacDownlinkStatus LoRaMacDownlinkStatus;
ubhat 0:42863a11464a 24
ubhat 0:42863a11464a 25 LoRaMacPrimitives_t LoRaPrimitives;
ubhat 0:42863a11464a 26
ubhat 0:42863a11464a 27 LoRaMacCallback_t LoRaCallbacks;
ubhat 0:42863a11464a 28
ubhat 0:42863a11464a 29 MibRequestConfirm_t LoRaMibReq;
ubhat 0:42863a11464a 30
ubhat 0:42863a11464a 31 MlmeReq_t mlmeReq;
ubhat 0:42863a11464a 32
ubhat 0:42863a11464a 33
ubhat 0:42863a11464a 34 /*!
ubhat 0:42863a11464a 35 * \brief Function executed on TxNextPacket Timeout event
ubhat 0:42863a11464a 36 */
ubhat 0:42863a11464a 37 static void OnTxNextPacketTimerEvent( void )
ubhat 0:42863a11464a 38 {
ubhat 0:42863a11464a 39 MibRequestConfirm_t mibReq;
ubhat 0:42863a11464a 40 LoRaMacStatus_t status;
ubhat 0:42863a11464a 41
ubhat 0:42863a11464a 42 TimerStop( &TxNextPacketTimer );
ubhat 0:42863a11464a 43
ubhat 0:42863a11464a 44 mibReq.Type = MIB_NETWORK_JOINED;
ubhat 0:42863a11464a 45 status = LoRaMacMibGetRequestConfirm( &mibReq );
ubhat 0:42863a11464a 46
ubhat 0:42863a11464a 47 if( status == LORAMAC_STATUS_OK )
ubhat 0:42863a11464a 48 {
ubhat 0:42863a11464a 49 if( mibReq.Param.IsNetworkJoined == true )
ubhat 0:42863a11464a 50 {
ubhat 0:42863a11464a 51 DeviceState = DEVICE_STATE_SEND;
ubhat 0:42863a11464a 52 }
ubhat 0:42863a11464a 53 else
ubhat 0:42863a11464a 54 {
ubhat 0:42863a11464a 55 DeviceState = DEVICE_STATE_JOIN;
ubhat 0:42863a11464a 56 }
ubhat 0:42863a11464a 57 NextTx = true;
ubhat 0:42863a11464a 58 }
ubhat 0:42863a11464a 59 }
ubhat 0:42863a11464a 60
ubhat 0:42863a11464a 61 void DeviceInit( void )
ubhat 0:42863a11464a 62 {
ubhat 0:42863a11464a 63 LoRaPrimitives.MacMcpsConfirm = McpsConfirm;
ubhat 0:42863a11464a 64 LoRaPrimitives.MacMcpsIndication = McpsIndication;
ubhat 0:42863a11464a 65 LoRaPrimitives.MacMlmeConfirm = MlmeConfirm;
ubhat 0:42863a11464a 66 LoRaCallbacks.GetBatteryLevel = BoardGetBatteryLevel;
ubhat 0:42863a11464a 67 LoRaMacInitialization( &LoRaPrimitives, &LoRaCallbacks );
ubhat 0:42863a11464a 68
ubhat 0:42863a11464a 69 TimerInit( &TxNextPacketTimer, OnTxNextPacketTimerEvent );
ubhat 0:42863a11464a 70
ubhat 0:42863a11464a 71 LoRaMibReq.Type = MIB_ADR;
ubhat 0:42863a11464a 72 LoRaMibReq.Param.AdrEnable = LORAWAN_ADR_ON;
ubhat 0:42863a11464a 73 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:42863a11464a 74
ubhat 0:42863a11464a 75 LoRaMibReq.Type = MIB_PUBLIC_NETWORK;
ubhat 0:42863a11464a 76 LoRaMibReq.Param.EnablePublicNetwork = LORAWAN_PUBLIC_NETWORK;
ubhat 0:42863a11464a 77 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:42863a11464a 78
ubhat 0:42863a11464a 79 LoRaMibReq.Type = MIB_CHANNELS_TX_POWER;
ubhat 0:42863a11464a 80 LoRaMibReq.Param.ChannelsTxPower = LORAWAN_TX_POWER;
ubhat 0:42863a11464a 81 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:42863a11464a 82
ubhat 0:42863a11464a 83 LoRaMacDownlinkStatus.DownlinkCounter = 0;
ubhat 0:42863a11464a 84 }
ubhat 0:42863a11464a 85
ubhat 0:42863a11464a 86 void DeviceJoinUpdate( void )
ubhat 0:42863a11464a 87 {
ubhat 0:42863a11464a 88 LoRaMibReq.Type = MIB_NETWORK_JOINED;
ubhat 0:42863a11464a 89 LoRaMacMibGetRequestConfirm( &LoRaMibReq );
ubhat 0:42863a11464a 90 }
ubhat 0:42863a11464a 91
ubhat 0:42863a11464a 92 void DeviceJoin( void )
ubhat 0:42863a11464a 93 {
ubhat 0:42863a11464a 94 #if( OVER_THE_AIR_ACTIVATION != 0 )
ubhat 0:42863a11464a 95
ubhat 0:42863a11464a 96 mlmeReq.Type = MLME_JOIN;
ubhat 0:42863a11464a 97
ubhat 0:42863a11464a 98 mlmeReq.Req.Join.DevEui = DevEui;
ubhat 0:42863a11464a 99 mlmeReq.Req.Join.AppEui = AppEui;
ubhat 0:42863a11464a 100 mlmeReq.Req.Join.AppKey = AppKey;
ubhat 0:42863a11464a 101
ubhat 0:42863a11464a 102 if( NextTx == true )
ubhat 0:42863a11464a 103 {
ubhat 0:42863a11464a 104 LoRaMacMlmeRequest( &mlmeReq );
ubhat 0:42863a11464a 105 }
ubhat 0:42863a11464a 106
ubhat 0:42863a11464a 107 #else
ubhat 0:42863a11464a 108 // Choose a random device address if not already defined in Config.h
ubhat 0:42863a11464a 109 if( DevAddr == 0 )
ubhat 0:42863a11464a 110 {
ubhat 0:42863a11464a 111 // Random seed initialization
ubhat 0:42863a11464a 112 srand1( BoardGetRandomSeed( ) );
ubhat 0:42863a11464a 113 DevAddr = randr( 0, 0x01FFFFFF );
ubhat 0:42863a11464a 114 }
ubhat 0:42863a11464a 115
ubhat 0:42863a11464a 116 LoRaMibReq.Type = MIB_NET_ID;
ubhat 0:42863a11464a 117 LoRaMibReq.Param.NetID = LORAWAN_NETWORK_ID;
ubhat 0:42863a11464a 118 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:42863a11464a 119
ubhat 0:42863a11464a 120 LoRaMibReq.Type = MIB_DEV_ADDR;
ubhat 0:42863a11464a 121 LoRaMibReq.Param.DevAddr = DevAddr;
ubhat 0:42863a11464a 122 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:42863a11464a 123
ubhat 0:42863a11464a 124 LoRaMibReq.Type = MIB_NWK_SKEY;
ubhat 0:42863a11464a 125 LoRaMibReq.Param.NwkSKey = NwkSKey;
ubhat 0:42863a11464a 126 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:42863a11464a 127
ubhat 0:42863a11464a 128 LoRaMibReq.Type = MIB_APP_SKEY;
ubhat 0:42863a11464a 129 LoRaMibReq.Param.AppSKey = AppSKey;
ubhat 0:42863a11464a 130 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:42863a11464a 131
ubhat 0:42863a11464a 132 LoRaMibReq.Type = MIB_NETWORK_JOINED;
ubhat 0:42863a11464a 133 LoRaMibReq.Param.IsNetworkJoined = true;
ubhat 0:42863a11464a 134 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:42863a11464a 135
ubhat 0:42863a11464a 136 #endif
ubhat 0:42863a11464a 137 }
ubhat 0:42863a11464a 138
ubhat 0:42863a11464a 139 /*!
ubhat 0:42863a11464a 140 * \brief Prepares the payload of the frame
ubhat 0:42863a11464a 141 */
ubhat 0:42863a11464a 142 void PrepareTxFrame( uint8_t port )
ubhat 0:42863a11464a 143 {
ubhat 0:42863a11464a 144 MibRequestConfirm_t mibReq;
ubhat 0:42863a11464a 145
ubhat 0:42863a11464a 146 if( BoardGetBatteryLevel( ) < LOW_BAT_THRESHOLD )
ubhat 0:42863a11464a 147 {
ubhat 0:42863a11464a 148 mibReq.Type = MIB_CHANNELS_TX_POWER;
ubhat 0:42863a11464a 149 LoRaMacMibGetRequestConfirm( &mibReq );
ubhat 0:42863a11464a 150 // TX_POWER_30_DBM = 0, TX_POWER_28_DBM = 1, ..., TX_POWER_20_DBM = 5, ..., TX_POWER_10_DBM = 10
ubhat 0:42863a11464a 151 // The if condition is then "less than" to check if the power is greater than 20 dBm
ubhat 0:42863a11464a 152 if( mibReq.Param.ChannelsTxPower < TX_POWER_20_DBM )
ubhat 0:42863a11464a 153 {
ubhat 0:42863a11464a 154 mibReq.Param.ChannelsTxPower = TX_POWER_20_DBM;
ubhat 0:42863a11464a 155 LoRaMacMibSetRequestConfirm( &mibReq );
ubhat 0:42863a11464a 156 }
ubhat 0:42863a11464a 157 }
ubhat 0:42863a11464a 158
ubhat 0:42863a11464a 159 if( port == 224 )
ubhat 0:42863a11464a 160 {
ubhat 0:42863a11464a 161 RunComplianceTest( );
ubhat 0:42863a11464a 162 }
ubhat 0:42863a11464a 163 else
ubhat 0:42863a11464a 164 {
ubhat 0:42863a11464a 165 PrepareLoRaFrame( port );
ubhat 0:42863a11464a 166 }
ubhat 0:42863a11464a 167 }
ubhat 0:42863a11464a 168
ubhat 0:42863a11464a 169 /*!
ubhat 0:42863a11464a 170 * \brief Prepares the payload of the frame
ubhat 0:42863a11464a 171 *
ubhat 0:42863a11464a 172 * \retval [0: frame could be send, 1: error]
ubhat 0:42863a11464a 173 */
ubhat 0:42863a11464a 174 bool SendFrame( void )
ubhat 0:42863a11464a 175 {
ubhat 0:42863a11464a 176 McpsReq_t mcpsReq;
ubhat 0:42863a11464a 177 LoRaMacTxInfo_t txInfo;
ubhat 0:42863a11464a 178
ubhat 0:42863a11464a 179 if( LoRaMacQueryTxPossible( AppDataSize, &txInfo ) != LORAMAC_STATUS_OK )
ubhat 0:42863a11464a 180 {
ubhat 0:42863a11464a 181 // Send empty frame in order to flush MAC commands
ubhat 0:42863a11464a 182 mcpsReq.Type = MCPS_UNCONFIRMED;
ubhat 0:42863a11464a 183 mcpsReq.Req.Unconfirmed.fBuffer = NULL;
ubhat 0:42863a11464a 184 mcpsReq.Req.Unconfirmed.fBufferSize = 0;
ubhat 0:42863a11464a 185 mcpsReq.Req.Unconfirmed.Datarate = LORAWAN_DEFAULT_DATARATE;
ubhat 0:42863a11464a 186
ubhat 0:42863a11464a 187 LoRaMacUplinkStatus.Acked = false;
ubhat 0:42863a11464a 188 LoRaMacUplinkStatus.Port = 0;
ubhat 0:42863a11464a 189 LoRaMacUplinkStatus.Buffer = NULL;
ubhat 0:42863a11464a 190 LoRaMacUplinkStatus.BufferSize = 0;
ubhat 0:42863a11464a 191 }
ubhat 0:42863a11464a 192 else
ubhat 0:42863a11464a 193 {
ubhat 0:42863a11464a 194 LoRaMacUplinkStatus.Acked = false;
ubhat 0:42863a11464a 195 LoRaMacUplinkStatus.Port = AppPort;
ubhat 0:42863a11464a 196 LoRaMacUplinkStatus.Buffer = AppData;
ubhat 0:42863a11464a 197 LoRaMacUplinkStatus.BufferSize = AppDataSize;
ubhat 0:42863a11464a 198
ubhat 0:42863a11464a 199 if( ( IsTxConfirmed == false ) || ( LoRaMacUplinkStatus.UplinkCounter == 0 ) )
ubhat 0:42863a11464a 200 {
ubhat 0:42863a11464a 201 mcpsReq.Type = MCPS_UNCONFIRMED;
ubhat 0:42863a11464a 202 mcpsReq.Req.Unconfirmed.fPort = AppPort;
ubhat 0:42863a11464a 203 mcpsReq.Req.Unconfirmed.fBuffer = AppData;
ubhat 0:42863a11464a 204 mcpsReq.Req.Unconfirmed.fBufferSize = AppDataSize;
ubhat 0:42863a11464a 205 mcpsReq.Req.Unconfirmed.Datarate = LORAWAN_DEFAULT_DATARATE;
ubhat 0:42863a11464a 206 }
ubhat 0:42863a11464a 207 else
ubhat 0:42863a11464a 208 {
ubhat 0:42863a11464a 209 mcpsReq.Type = MCPS_CONFIRMED;
ubhat 0:42863a11464a 210 mcpsReq.Req.Confirmed.fPort = AppPort;
ubhat 0:42863a11464a 211 mcpsReq.Req.Confirmed.fBuffer = AppData;
ubhat 0:42863a11464a 212 mcpsReq.Req.Confirmed.fBufferSize = AppDataSize;
ubhat 0:42863a11464a 213 mcpsReq.Req.Confirmed.NbTrials = 8;
ubhat 0:42863a11464a 214 mcpsReq.Req.Confirmed.Datarate = LORAWAN_DEFAULT_DATARATE;
ubhat 0:42863a11464a 215 }
ubhat 0:42863a11464a 216 }
ubhat 0:42863a11464a 217
ubhat 0:42863a11464a 218 LoRaMacUplinkStatus.Type = mcpsReq.Type;
ubhat 0:42863a11464a 219
ubhat 0:42863a11464a 220 if( LoRaMacMcpsRequest( &mcpsReq ) == LORAMAC_STATUS_OK )
ubhat 0:42863a11464a 221 {
ubhat 0:42863a11464a 222 return false;
ubhat 0:42863a11464a 223 }
ubhat 0:42863a11464a 224 return true;
ubhat 0:42863a11464a 225 }