Damian Gabino / LoRaWAN-lib

Simplified LoRaWAN library.

Fork of LoRaWAN-lib-v1_0_1 by Uttam Bhat

LoRaMacLayerService.cpp@12:54937781831b, 2018-04-03 (annotated)

Committer:
dgabino
Date:
Tue Apr 03 17:01:27 2018 +0000
Revision:
12:54937781831b
Substituted api-v3 with MAC layer service

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dgabino 12:54937781831b 1 /*
dgabino 12:54937781831b 2 / _____) _ | |
dgabino 12:54937781831b 3 ( (____ _____ ____ _| |_ _____ ____| |__
dgabino 12:54937781831b 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
dgabino 12:54937781831b 5 _____) ) ____| | | || |_| ____( (___| | | |
dgabino 12:54937781831b 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
dgabino 12:54937781831b 7 (C)2015 Semtech
dgabino 12:54937781831b 8
dgabino 12:54937781831b 9 Description: MAC Layer Services: MLME & MCPS
dgabino 12:54937781831b 10
dgabino 12:54937781831b 11 License: Revised BSD License, see LICENSE.TXT file include in the project
dgabino 12:54937781831b 12
dgabino 12:54937781831b 13 Maintainer: Uttam Bhat
dgabino 12:54937781831b 14 */
dgabino 12:54937781831b 15
dgabino 12:54937781831b 16 #include "LoRaMacLayerService.h"
dgabino 12:54937781831b 17
dgabino 12:54937781831b 18 /*!
dgabino 12:54937781831b 19 * \brief MCPS-Confirm event function
dgabino 12:54937781831b 20 *
dgabino 12:54937781831b 21 * \param [IN] McpsConfirm - Pointer to the confirm structure,
dgabino 12:54937781831b 22 * containing confirm attributes.
dgabino 12:54937781831b 23 */
dgabino 12:54937781831b 24 void McpsConfirm( McpsConfirm_t *McpsConfirm )
dgabino 12:54937781831b 25 {
dgabino 12:54937781831b 26 if( McpsConfirm->Status == LORAMAC_EVENT_INFO_STATUS_OK )
dgabino 12:54937781831b 27 {
dgabino 12:54937781831b 28 if( McpsConfirm->McpsRequest==MCPS_CONFIRMED )
dgabino 12:54937781831b 29 {
dgabino 12:54937781831b 30 LoRaMacUplinkStatus.Acked = McpsConfirm->AckReceived;
dgabino 12:54937781831b 31 }
dgabino 12:54937781831b 32 }
dgabino 12:54937781831b 33
dgabino 12:54937781831b 34 LoRaMacUplinkStatus.Datarate = McpsConfirm->Datarate;
dgabino 12:54937781831b 35 LoRaMacUplinkStatus.UplinkCounter = McpsConfirm->UpLinkCounter;
dgabino 12:54937781831b 36 LoRaMacUplinkStatus.TxPower = McpsConfirm->TxPower;
dgabino 12:54937781831b 37
dgabino 12:54937781831b 38 IsTxIntUpdate = true;
dgabino 12:54937781831b 39 }
dgabino 12:54937781831b 40
dgabino 12:54937781831b 41 /*!
dgabino 12:54937781831b 42 * \brief MCPS-Indication event function
dgabino 12:54937781831b 43 *
dgabino 12:54937781831b 44 * \param [IN] McpsIndication - Pointer to the indication structure,
dgabino 12:54937781831b 45 * containing indication attributes.
dgabino 12:54937781831b 46 */
dgabino 12:54937781831b 47 void McpsIndication( McpsIndication_t *McpsIndication )
dgabino 12:54937781831b 48 {
dgabino 12:54937781831b 49 uint8_t port;
dgabino 12:54937781831b 50
dgabino 12:54937781831b 51 if( McpsIndication->Status != LORAMAC_EVENT_INFO_STATUS_OK )
dgabino 12:54937781831b 52 {
dgabino 12:54937781831b 53 return;
dgabino 12:54937781831b 54 }
dgabino 12:54937781831b 55
dgabino 12:54937781831b 56 switch( McpsIndication->McpsIndication )
dgabino 12:54937781831b 57 {
dgabino 12:54937781831b 58 case MCPS_UNCONFIRMED:
dgabino 12:54937781831b 59 {
dgabino 12:54937781831b 60 break;
dgabino 12:54937781831b 61 }
dgabino 12:54937781831b 62 case MCPS_CONFIRMED:
dgabino 12:54937781831b 63 {
dgabino 12:54937781831b 64 break;
dgabino 12:54937781831b 65 }
dgabino 12:54937781831b 66 case MCPS_PROPRIETARY:
dgabino 12:54937781831b 67 {
dgabino 12:54937781831b 68 break;
dgabino 12:54937781831b 69 }
dgabino 12:54937781831b 70 case MCPS_MULTICAST:
dgabino 12:54937781831b 71 {
dgabino 12:54937781831b 72 break;
dgabino 12:54937781831b 73 }
dgabino 12:54937781831b 74 default:
dgabino 12:54937781831b 75 break;
dgabino 12:54937781831b 76 }
dgabino 12:54937781831b 77
dgabino 12:54937781831b 78 // Check Multicast
dgabino 12:54937781831b 79 // Check Port
dgabino 12:54937781831b 80 // Check Datarate
dgabino 12:54937781831b 81 // Check FramePending
dgabino 12:54937781831b 82 // Check Buffer
dgabino 12:54937781831b 83 // Check BufferSize
dgabino 12:54937781831b 84 // Check Rssi
dgabino 12:54937781831b 85 // Check Snr
dgabino 12:54937781831b 86 // Check RxSlot
dgabino 12:54937781831b 87 LoRaMacDownlinkStatus.Rssi = McpsIndication->Rssi;
dgabino 12:54937781831b 88 if( McpsIndication->Snr & 0x80 ) // The SNR sign bit is 1
dgabino 12:54937781831b 89 {
dgabino 12:54937781831b 90 // Invert and divide by 4
dgabino 12:54937781831b 91 LoRaMacDownlinkStatus.Snr = ( ( ~McpsIndication->Snr + 1 ) & 0xFF ) >> 2;
dgabino 12:54937781831b 92 LoRaMacDownlinkStatus.Snr = -LoRaMacDownlinkStatus.Snr;
dgabino 12:54937781831b 93 }
dgabino 12:54937781831b 94 else
dgabino 12:54937781831b 95 {
dgabino 12:54937781831b 96 // Divide by 4
dgabino 12:54937781831b 97 LoRaMacDownlinkStatus.Snr = ( McpsIndication->Snr & 0xFF ) >> 2;
dgabino 12:54937781831b 98 }
dgabino 12:54937781831b 99 LoRaMacDownlinkStatus.DownlinkCounter++;
dgabino 12:54937781831b 100 LoRaMacDownlinkStatus.RxData = McpsIndication->RxData;
dgabino 12:54937781831b 101 LoRaMacDownlinkStatus.Port = McpsIndication->Port;
dgabino 12:54937781831b 102 LoRaMacDownlinkStatus.Buffer = McpsIndication->Buffer;
dgabino 12:54937781831b 103 LoRaMacDownlinkStatus.BufferSize = McpsIndication->BufferSize;
dgabino 12:54937781831b 104 LoRaMacDownlinkStatus.RxSlot = McpsIndication->RxSlot;
dgabino 12:54937781831b 105
dgabino 12:54937781831b 106
dgabino 12:54937781831b 107
dgabino 12:54937781831b 108 if( McpsIndication->RxData == true )
dgabino 12:54937781831b 109 {
dgabino 12:54937781831b 110 switch( port )
dgabino 12:54937781831b 111 {
dgabino 12:54937781831b 112 case 1: // The application LED can be controlled on port 1 or 2
dgabino 12:54937781831b 113 case 2:
dgabino 12:54937781831b 114 break;
dgabino 12:54937781831b 115 default:
dgabino 12:54937781831b 116 break;
dgabino 12:54937781831b 117 }
dgabino 12:54937781831b 118 }
dgabino 12:54937781831b 119
dgabino 12:54937781831b 120 IsRxUpdate = true;
dgabino 12:54937781831b 121
dgabino 12:54937781831b 122 }
dgabino 12:54937781831b 123
dgabino 12:54937781831b 124 /*!
dgabino 12:54937781831b 125 * \brief MLME-Confirm event function
dgabino 12:54937781831b 126 *
dgabino 12:54937781831b 127 * \param [IN] MlmeConfirm - Pointer to the confirm structure,
dgabino 12:54937781831b 128 * containing confirm attributes.
dgabino 12:54937781831b 129 */
dgabino 12:54937781831b 130 void MlmeConfirm( MlmeConfirm_t *MlmeConfirm )
dgabino 12:54937781831b 131 {
dgabino 12:54937781831b 132 if( MlmeConfirm->Status == LORAMAC_EVENT_INFO_STATUS_OK )
dgabino 12:54937781831b 133 {
dgabino 12:54937781831b 134 if( MlmeConfirm->MlmeRequest==MLME_JOIN )
dgabino 12:54937781831b 135 {
dgabino 12:54937781831b 136 IsNetworkJoinedStatusUpdate = true;
dgabino 12:54937781831b 137 }
dgabino 12:54937781831b 138
dgabino 12:54937781831b 139 }
dgabino 12:54937781831b 140
dgabino 12:54937781831b 141 // Schedule next packet transmission
dgabino 12:54937781831b 142 TimerSetValue( &TxNextPacketTimer, OVER_THE_AIR_ACTIVATION_DUTYCYCLE );
dgabino 12:54937781831b 143 TimerStart( &TxNextPacketTimer );
dgabino 12:54937781831b 144
dgabino 12:54937781831b 145 DeviceState = DEVICE_STATE_SLEEP;
dgabino 12:54937781831b 146 }