Nagaraj Krishnamurthy / LoRaWAN-NAMote72-Application-Demo_IoTium

LoRa on Multitech with Semtech mote

Dependencies:   LoRaWAN-lib SX1272Lib lib_gps lib_mma8451q lib_mpl3115a2 mbed

Fork of LoRaWAN-NAMote72-Application-Demo_Multitech by Nagaraj Krishnamurthy

app/LoRaDeviceStateProc.cpp@18:168062d45093, 2017-01-18 (annotated)

Committer:
nagarajkmurthy
Date:
Wed Jan 18 12:55:33 2017 +0000
Revision:
18:168062d45093
Parent:
0:69f2e28d12c1 
LoRa on Multitech using Semtech mote

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ubhat 0:69f2e28d12c1 1 /*
ubhat 0:69f2e28d12c1 2 / _____) _ | |
ubhat 0:69f2e28d12c1 3 ( (____ _____ ____ _| |_ _____ ____| |__
ubhat 0:69f2e28d12c1 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
ubhat 0:69f2e28d12c1 5 _____) ) ____| | | || |_| ____( (___| | | |
ubhat 0:69f2e28d12c1 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
ubhat 0:69f2e28d12c1 7 (C)2015 Semtech
ubhat 0:69f2e28d12c1 8
ubhat 0:69f2e28d12c1 9 Description: Process function calls from various Device states
ubhat 0:69f2e28d12c1 10
ubhat 0:69f2e28d12c1 11 License: Revised BSD License, see LICENSE.TXT file include in the project
ubhat 0:69f2e28d12c1 12
ubhat 0:69f2e28d12c1 13 Maintainer: Uttam Bhat
ubhat 0:69f2e28d12c1 14 */
ubhat 0:69f2e28d12c1 15
ubhat 0:69f2e28d12c1 16 #include "LoRaDeviceStateProc.h"
ubhat 0:69f2e28d12c1 17 #include "LoRaMacLayerService.h"
ubhat 0:69f2e28d12c1 18
ubhat 0:69f2e28d12c1 19 eDevicState DeviceState;
ubhat 0:69f2e28d12c1 20
ubhat 0:69f2e28d12c1 21 sLoRaMacUplinkStatus LoRaMacUplinkStatus;
ubhat 0:69f2e28d12c1 22
ubhat 0:69f2e28d12c1 23 sLoRaMacDownlinkStatus LoRaMacDownlinkStatus;
ubhat 0:69f2e28d12c1 24
ubhat 0:69f2e28d12c1 25 LoRaMacPrimitives_t LoRaPrimitives;
ubhat 0:69f2e28d12c1 26
ubhat 0:69f2e28d12c1 27 LoRaMacCallback_t LoRaCallbacks;
ubhat 0:69f2e28d12c1 28
ubhat 0:69f2e28d12c1 29 MibRequestConfirm_t LoRaMibReq;
ubhat 0:69f2e28d12c1 30
ubhat 0:69f2e28d12c1 31 MlmeReq_t mlmeReq;
ubhat 0:69f2e28d12c1 32
ubhat 0:69f2e28d12c1 33
ubhat 0:69f2e28d12c1 34 /*!
ubhat 0:69f2e28d12c1 35 * \brief Function executed on TxNextPacket Timeout event
ubhat 0:69f2e28d12c1 36 */
ubhat 0:69f2e28d12c1 37 static void OnTxNextPacketTimerEvent( void )
ubhat 0:69f2e28d12c1 38 {
ubhat 0:69f2e28d12c1 39 MibRequestConfirm_t mibReq;
ubhat 0:69f2e28d12c1 40 LoRaMacStatus_t status;
ubhat 0:69f2e28d12c1 41
ubhat 0:69f2e28d12c1 42 TimerStop( &TxNextPacketTimer );
ubhat 0:69f2e28d12c1 43
ubhat 0:69f2e28d12c1 44 mibReq.Type = MIB_NETWORK_JOINED;
ubhat 0:69f2e28d12c1 45 status = LoRaMacMibGetRequestConfirm( &mibReq );
ubhat 0:69f2e28d12c1 46
ubhat 0:69f2e28d12c1 47 if( status == LORAMAC_STATUS_OK )
ubhat 0:69f2e28d12c1 48 {
ubhat 0:69f2e28d12c1 49 if( mibReq.Param.IsNetworkJoined == true )
ubhat 0:69f2e28d12c1 50 {
ubhat 0:69f2e28d12c1 51 DeviceState = DEVICE_STATE_SEND;
ubhat 0:69f2e28d12c1 52 }
ubhat 0:69f2e28d12c1 53 else
ubhat 0:69f2e28d12c1 54 {
ubhat 0:69f2e28d12c1 55 DeviceState = DEVICE_STATE_JOIN;
ubhat 0:69f2e28d12c1 56 }
ubhat 0:69f2e28d12c1 57 NextTx = true;
ubhat 0:69f2e28d12c1 58 }
ubhat 0:69f2e28d12c1 59 }
ubhat 0:69f2e28d12c1 60
ubhat 0:69f2e28d12c1 61 void DeviceInit( void )
ubhat 0:69f2e28d12c1 62 {
ubhat 0:69f2e28d12c1 63 LoRaPrimitives.MacMcpsConfirm = McpsConfirm;
ubhat 0:69f2e28d12c1 64 LoRaPrimitives.MacMcpsIndication = McpsIndication;
ubhat 0:69f2e28d12c1 65 LoRaPrimitives.MacMlmeConfirm = MlmeConfirm;
ubhat 0:69f2e28d12c1 66 LoRaCallbacks.GetBatteryLevel = BoardGetBatteryLevel;
ubhat 0:69f2e28d12c1 67 LoRaMacInitialization( &LoRaPrimitives, &LoRaCallbacks );
ubhat 0:69f2e28d12c1 68
ubhat 0:69f2e28d12c1 69 TimerInit( &TxNextPacketTimer, OnTxNextPacketTimerEvent );
ubhat 0:69f2e28d12c1 70
ubhat 0:69f2e28d12c1 71 LoRaMibReq.Type = MIB_ADR;
ubhat 0:69f2e28d12c1 72 LoRaMibReq.Param.AdrEnable = LORAWAN_ADR_ON;
ubhat 0:69f2e28d12c1 73 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:69f2e28d12c1 74
ubhat 0:69f2e28d12c1 75 LoRaMibReq.Type = MIB_PUBLIC_NETWORK;
ubhat 0:69f2e28d12c1 76 LoRaMibReq.Param.EnablePublicNetwork = LORAWAN_PUBLIC_NETWORK;
ubhat 0:69f2e28d12c1 77 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:69f2e28d12c1 78
ubhat 0:69f2e28d12c1 79 LoRaMibReq.Type = MIB_CHANNELS_TX_POWER;
ubhat 0:69f2e28d12c1 80 LoRaMibReq.Param.ChannelsTxPower = LORAWAN_TX_POWER;
ubhat 0:69f2e28d12c1 81 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:69f2e28d12c1 82
ubhat 0:69f2e28d12c1 83 LoRaMacDownlinkStatus.DownlinkCounter = 0;
ubhat 0:69f2e28d12c1 84 }
ubhat 0:69f2e28d12c1 85
ubhat 0:69f2e28d12c1 86 void DeviceJoinUpdate( void )
ubhat 0:69f2e28d12c1 87 {
ubhat 0:69f2e28d12c1 88 LoRaMibReq.Type = MIB_NETWORK_JOINED;
ubhat 0:69f2e28d12c1 89 LoRaMacMibGetRequestConfirm( &LoRaMibReq );
ubhat 0:69f2e28d12c1 90 }
ubhat 0:69f2e28d12c1 91
ubhat 0:69f2e28d12c1 92 void DeviceJoin( void )
ubhat 0:69f2e28d12c1 93 {
ubhat 0:69f2e28d12c1 94 #if( OVER_THE_AIR_ACTIVATION != 0 )
ubhat 0:69f2e28d12c1 95
ubhat 0:69f2e28d12c1 96 mlmeReq.Type = MLME_JOIN;
ubhat 0:69f2e28d12c1 97
ubhat 0:69f2e28d12c1 98 mlmeReq.Req.Join.DevEui = DevEui;
ubhat 0:69f2e28d12c1 99 mlmeReq.Req.Join.AppEui = AppEui;
ubhat 0:69f2e28d12c1 100 mlmeReq.Req.Join.AppKey = AppKey;
ubhat 0:69f2e28d12c1 101
ubhat 0:69f2e28d12c1 102 if( NextTx == true )
ubhat 0:69f2e28d12c1 103 {
ubhat 0:69f2e28d12c1 104 LoRaMacMlmeRequest( &mlmeReq );
ubhat 0:69f2e28d12c1 105 }
ubhat 0:69f2e28d12c1 106
ubhat 0:69f2e28d12c1 107 #else
ubhat 0:69f2e28d12c1 108 // Choose a random device address if not already defined in Config.h
ubhat 0:69f2e28d12c1 109 if( DevAddr == 0 )
ubhat 0:69f2e28d12c1 110 {
ubhat 0:69f2e28d12c1 111 // Random seed initialization
ubhat 0:69f2e28d12c1 112 srand1( BoardGetRandomSeed( ) );
ubhat 0:69f2e28d12c1 113 DevAddr = randr( 0, 0x01FFFFFF );
ubhat 0:69f2e28d12c1 114 }
ubhat 0:69f2e28d12c1 115
ubhat 0:69f2e28d12c1 116 LoRaMibReq.Type = MIB_NET_ID;
ubhat 0:69f2e28d12c1 117 LoRaMibReq.Param.NetID = LORAWAN_NETWORK_ID;
ubhat 0:69f2e28d12c1 118 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:69f2e28d12c1 119
ubhat 0:69f2e28d12c1 120 LoRaMibReq.Type = MIB_DEV_ADDR;
ubhat 0:69f2e28d12c1 121 LoRaMibReq.Param.DevAddr = DevAddr;
ubhat 0:69f2e28d12c1 122 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:69f2e28d12c1 123
ubhat 0:69f2e28d12c1 124 LoRaMibReq.Type = MIB_NWK_SKEY;
ubhat 0:69f2e28d12c1 125 LoRaMibReq.Param.NwkSKey = NwkSKey;
ubhat 0:69f2e28d12c1 126 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:69f2e28d12c1 127
ubhat 0:69f2e28d12c1 128 LoRaMibReq.Type = MIB_APP_SKEY;
ubhat 0:69f2e28d12c1 129 LoRaMibReq.Param.AppSKey = AppSKey;
ubhat 0:69f2e28d12c1 130 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:69f2e28d12c1 131
ubhat 0:69f2e28d12c1 132 LoRaMibReq.Type = MIB_NETWORK_JOINED;
ubhat 0:69f2e28d12c1 133 LoRaMibReq.Param.IsNetworkJoined = true;
ubhat 0:69f2e28d12c1 134 LoRaMacMibSetRequestConfirm( &LoRaMibReq );
ubhat 0:69f2e28d12c1 135
ubhat 0:69f2e28d12c1 136 #endif
ubhat 0:69f2e28d12c1 137 }
ubhat 0:69f2e28d12c1 138
ubhat 0:69f2e28d12c1 139 /*!
ubhat 0:69f2e28d12c1 140 * \brief Prepares the payload of the frame
ubhat 0:69f2e28d12c1 141 */
ubhat 0:69f2e28d12c1 142 void PrepareTxFrame( uint8_t port )
ubhat 0:69f2e28d12c1 143 {
ubhat 0:69f2e28d12c1 144 MibRequestConfirm_t mibReq;
ubhat 0:69f2e28d12c1 145
ubhat 0:69f2e28d12c1 146 if( BoardGetBatteryVoltage( ) < LOW_BAT_THRESHOLD )
ubhat 0:69f2e28d12c1 147 {
ubhat 0:69f2e28d12c1 148 mibReq.Type = MIB_CHANNELS_TX_POWER;
ubhat 0:69f2e28d12c1 149 LoRaMacMibGetRequestConfirm( &mibReq );
ubhat 0:69f2e28d12c1 150 // TX_POWER_30_DBM = 0, TX_POWER_28_DBM = 1, ..., TX_POWER_20_DBM = 5, ..., TX_POWER_10_DBM = 10
ubhat 0:69f2e28d12c1 151 // The if condition is then "less than" to check if the power is greater than 20 dBm
ubhat 0:69f2e28d12c1 152 if( mibReq.Param.ChannelsTxPower < TX_POWER_20_DBM )
ubhat 0:69f2e28d12c1 153 {
ubhat 0:69f2e28d12c1 154 mibReq.Param.ChannelsTxPower = TX_POWER_20_DBM;
ubhat 0:69f2e28d12c1 155 LoRaMacMibSetRequestConfirm( &mibReq );
ubhat 0:69f2e28d12c1 156 }
ubhat 0:69f2e28d12c1 157 }
ubhat 0:69f2e28d12c1 158
ubhat 0:69f2e28d12c1 159 if( port == 224 )
ubhat 0:69f2e28d12c1 160 {
ubhat 0:69f2e28d12c1 161 RunComplianceTest( );
ubhat 0:69f2e28d12c1 162 }
ubhat 0:69f2e28d12c1 163 else
ubhat 0:69f2e28d12c1 164 {
ubhat 0:69f2e28d12c1 165 PrepareLoRaFrame( port );
ubhat 0:69f2e28d12c1 166 }
ubhat 0:69f2e28d12c1 167 }
ubhat 0:69f2e28d12c1 168
ubhat 0:69f2e28d12c1 169 /*!
ubhat 0:69f2e28d12c1 170 * \brief Prepares the payload of the frame
ubhat 0:69f2e28d12c1 171 *
ubhat 0:69f2e28d12c1 172 * \retval [0: frame could be send, 1: error]
ubhat 0:69f2e28d12c1 173 */
ubhat 0:69f2e28d12c1 174 bool SendFrame( void )
ubhat 0:69f2e28d12c1 175 {
ubhat 0:69f2e28d12c1 176 McpsReq_t mcpsReq;
ubhat 0:69f2e28d12c1 177 LoRaMacTxInfo_t txInfo;
ubhat 0:69f2e28d12c1 178
ubhat 0:69f2e28d12c1 179 if( LoRaMacQueryTxPossible( AppDataSize, &txInfo ) != LORAMAC_STATUS_OK )
ubhat 0:69f2e28d12c1 180 {
ubhat 0:69f2e28d12c1 181 // Send empty frame in order to flush MAC commands
ubhat 0:69f2e28d12c1 182 mcpsReq.Type = MCPS_UNCONFIRMED;
ubhat 0:69f2e28d12c1 183 mcpsReq.Req.Unconfirmed.fBuffer = NULL;
ubhat 0:69f2e28d12c1 184 mcpsReq.Req.Unconfirmed.fBufferSize = 0;
ubhat 0:69f2e28d12c1 185 mcpsReq.Req.Unconfirmed.Datarate = LORAWAN_DEFAULT_DATARATE;
ubhat 0:69f2e28d12c1 186
ubhat 0:69f2e28d12c1 187 LoRaMacUplinkStatus.Acked = false;
ubhat 0:69f2e28d12c1 188 LoRaMacUplinkStatus.Port = 0;
ubhat 0:69f2e28d12c1 189 LoRaMacUplinkStatus.Buffer = NULL;
ubhat 0:69f2e28d12c1 190 LoRaMacUplinkStatus.BufferSize = 0;
ubhat 0:69f2e28d12c1 191 }
ubhat 0:69f2e28d12c1 192 else
ubhat 0:69f2e28d12c1 193 {
ubhat 0:69f2e28d12c1 194 LoRaMacUplinkStatus.Acked = false;
ubhat 0:69f2e28d12c1 195 LoRaMacUplinkStatus.Port = AppPort;
ubhat 0:69f2e28d12c1 196 LoRaMacUplinkStatus.Buffer = AppData;
ubhat 0:69f2e28d12c1 197 LoRaMacUplinkStatus.BufferSize = AppDataSize;
ubhat 0:69f2e28d12c1 198
ubhat 0:69f2e28d12c1 199 if( ( IsTxConfirmed == false ) || ( LoRaMacUplinkStatus.UplinkCounter == 0 ) )
ubhat 0:69f2e28d12c1 200 {
ubhat 0:69f2e28d12c1 201 mcpsReq.Type = MCPS_UNCONFIRMED;
ubhat 0:69f2e28d12c1 202 mcpsReq.Req.Unconfirmed.fPort = AppPort;
ubhat 0:69f2e28d12c1 203 mcpsReq.Req.Unconfirmed.fBuffer = AppData;
ubhat 0:69f2e28d12c1 204 mcpsReq.Req.Unconfirmed.fBufferSize = AppDataSize;
ubhat 0:69f2e28d12c1 205 mcpsReq.Req.Unconfirmed.Datarate = LORAWAN_DEFAULT_DATARATE;
ubhat 0:69f2e28d12c1 206 }
ubhat 0:69f2e28d12c1 207 else
ubhat 0:69f2e28d12c1 208 {
ubhat 0:69f2e28d12c1 209 mcpsReq.Type = MCPS_CONFIRMED;
ubhat 0:69f2e28d12c1 210 mcpsReq.Req.Confirmed.fPort = AppPort;
ubhat 0:69f2e28d12c1 211 mcpsReq.Req.Confirmed.fBuffer = AppData;
ubhat 0:69f2e28d12c1 212 mcpsReq.Req.Confirmed.fBufferSize = AppDataSize;
ubhat 0:69f2e28d12c1 213 mcpsReq.Req.Confirmed.NbTrials = 8;
ubhat 0:69f2e28d12c1 214 mcpsReq.Req.Confirmed.Datarate = LORAWAN_DEFAULT_DATARATE;
ubhat 0:69f2e28d12c1 215 }
ubhat 0:69f2e28d12c1 216 }
ubhat 0:69f2e28d12c1 217
ubhat 0:69f2e28d12c1 218 LoRaMacUplinkStatus.Type = mcpsReq.Type;
ubhat 0:69f2e28d12c1 219
ubhat 0:69f2e28d12c1 220 if( LoRaMacMcpsRequest( &mcpsReq ) == LORAMAC_STATUS_OK )
ubhat 0:69f2e28d12c1 221 {
ubhat 0:69f2e28d12c1 222 return false;
ubhat 0:69f2e28d12c1 223 }
ubhat 0:69f2e28d12c1 224 return true;
ubhat 0:69f2e28d12c1 225 }