LoRaMacLib - this is avaiable project

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mac/LoRaMac.cpp@3:675d14219ad5, 2015-09-21 (annotated)

Committer:: GregCr
Date:: Mon Sep 21 07:54:54 2015 +0000
Revision:: 3:675d14219ad5
Parent:: 2:737ad7fbc97e
Child:: 4:c1d2d1319c8f

Increased Rx Window size

Who changed what in which revision?

User	Revision	Line number	New contents of line
GregCr	0:9be122c18509	1	/*
GregCr	0:9be122c18509	2	/ _____) _ \| \|
GregCr	0:9be122c18509	3	( (____ _____ ____ _\| \|_ _____ ____\| \|__
GregCr	0:9be122c18509	4	\____ \\| ___ \| (_ _) ___ \|/ ___) _ \
GregCr	0:9be122c18509	5	_____) ) ____\| \| \| \|\| \|_\| ____( (___\| \| \| \|
GregCr	0:9be122c18509	6	(______/\|_____)_\|_\|_\| \__)_____)\____)_\| \|_\|
GregCr	0:9be122c18509	7	(C)2013 Semtech
GregCr	0:9be122c18509	8
GregCr	0:9be122c18509	9	Description: LoRa MAC layer implementation
GregCr	0:9be122c18509	10
GregCr	0:9be122c18509	11	License: Revised BSD License, see LICENSE.TXT file include in the project
GregCr	0:9be122c18509	12
GregCr	0:9be122c18509	13	Maintainer: Miguel Luis and Gregory Cristian
GregCr	0:9be122c18509	14	*/
GregCr	0:9be122c18509	15	#include "mbed.h"
GregCr	0:9be122c18509	16	#include "board.h"
GregCr	0:9be122c18509	17	#include "utilities.h"
GregCr	0:9be122c18509	18	#include "sx1276-hal.h"
GregCr	0:9be122c18509	19	#include "LoRaMac.h"
GregCr	0:9be122c18509	20	#include "LoRaMacCrypto.h"
GregCr	0:9be122c18509	21
GregCr	0:9be122c18509	22	/*!
GregCr	0:9be122c18509	23	* Maximum PHY layer payload size
GregCr	0:9be122c18509	24	*/
GregCr	0:9be122c18509	25	#define LORAMAC_PHY_MAXPAYLOAD 64
GregCr	0:9be122c18509	26
GregCr	0:9be122c18509	27	/*!
GregCr	0:9be122c18509	28	* Device IEEE EUI
GregCr	0:9be122c18509	29	*/
GregCr	0:9be122c18509	30	static uint8_t *LoRaMacDevEui;
GregCr	0:9be122c18509	31
GregCr	0:9be122c18509	32	/*!
GregCr	0:9be122c18509	33	* Application IEEE EUI
GregCr	0:9be122c18509	34	*/
GregCr	0:9be122c18509	35	static uint8_t *LoRaMacAppEui;
GregCr	0:9be122c18509	36
GregCr	0:9be122c18509	37	/*!
GregCr	0:9be122c18509	38	* AES encryption/decryption cipher application key
GregCr	0:9be122c18509	39	*/
GregCr	0:9be122c18509	40	static uint8_t *LoRaMacAppKey;
GregCr	0:9be122c18509	41
GregCr	0:9be122c18509	42	/*!
GregCr	0:9be122c18509	43	* AES encryption/decryption cipher network session key
GregCr	0:9be122c18509	44	*/
GregCr	0:9be122c18509	45	static uint8_t LoRaMacNwkSKey[] =
GregCr	0:9be122c18509	46	{
GregCr	0:9be122c18509	47	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
GregCr	0:9be122c18509	48	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
GregCr	0:9be122c18509	49	};
GregCr	0:9be122c18509	50
GregCr	0:9be122c18509	51	/*!
GregCr	0:9be122c18509	52	* AES encryption/decryption cipher application session key
GregCr	0:9be122c18509	53	*/
GregCr	0:9be122c18509	54	static uint8_t LoRaMacAppSKey[] =
GregCr	0:9be122c18509	55	{
GregCr	0:9be122c18509	56	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
GregCr	0:9be122c18509	57	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
GregCr	0:9be122c18509	58	};
GregCr	0:9be122c18509	59
GregCr	0:9be122c18509	60	/*!
GregCr	0:9be122c18509	61	* Device nonce is a random value extracted by issuing a sequence of RSSI
GregCr	0:9be122c18509	62	* measurements
GregCr	0:9be122c18509	63	*/
GregCr	0:9be122c18509	64	static uint16_t LoRaMacDevNonce;
GregCr	0:9be122c18509	65
GregCr	0:9be122c18509	66	/*!
GregCr	0:9be122c18509	67	* Network ID ( 3 bytes )
GregCr	0:9be122c18509	68	*/
GregCr	0:9be122c18509	69	static uint32_t LoRaMacNetID;
GregCr	0:9be122c18509	70
GregCr	0:9be122c18509	71	/*!
GregCr	0:9be122c18509	72	* Mote Address
GregCr	0:9be122c18509	73	*/
GregCr	0:9be122c18509	74	static uint32_t LoRaMacDevAddr;
GregCr	0:9be122c18509	75
GregCr	0:9be122c18509	76	/*!
GregCr	0:9be122c18509	77	* Mutlicast channels linked list
GregCr	0:9be122c18509	78	*/
GregCr	0:9be122c18509	79	static MulticastParams_t *MulticastChannels = NULL;
GregCr	0:9be122c18509	80
GregCr	0:9be122c18509	81	/*!
GregCr	0:9be122c18509	82	* Actual device class
GregCr	0:9be122c18509	83	*/
GregCr	0:9be122c18509	84	static DeviceClass_t LoRaMacDeviceClass;
GregCr	0:9be122c18509	85
GregCr	0:9be122c18509	86	/*!
GregCr	0:9be122c18509	87	* Indicates if the node is connected to a private or public network
GregCr	0:9be122c18509	88	*/
GregCr	0:9be122c18509	89	static bool PublicNetwork;
GregCr	0:9be122c18509	90
GregCr	0:9be122c18509	91	/*!
GregCr	0:9be122c18509	92	* Buffer containing the data to be sent or received.
GregCr	0:9be122c18509	93	*/
GregCr	0:9be122c18509	94	static uint8_t LoRaMacBuffer[LORAMAC_PHY_MAXPAYLOAD];
GregCr	0:9be122c18509	95
GregCr	0:9be122c18509	96	/*!
GregCr	0:9be122c18509	97	* Length of packet in LoRaMacBuffer
GregCr	0:9be122c18509	98	*/
GregCr	0:9be122c18509	99	static uint16_t LoRaMacBufferPktLen = 0;
GregCr	0:9be122c18509	100
GregCr	0:9be122c18509	101	/*!
GregCr	0:9be122c18509	102	* Buffer containing the upper layer data.
GregCr	0:9be122c18509	103	*/
GregCr	0:9be122c18509	104	static uint8_t LoRaMacPayload[LORAMAC_PHY_MAXPAYLOAD];
GregCr	0:9be122c18509	105	static uint8_t LoRaMacRxPayload[LORAMAC_PHY_MAXPAYLOAD];
GregCr	0:9be122c18509	106
GregCr	0:9be122c18509	107	/*!
GregCr	0:9be122c18509	108	* LoRaMAC frame counter. Each time a packet is sent the counter is incremented.
GregCr	0:9be122c18509	109	* Only the 16 LSB bits are sent
GregCr	0:9be122c18509	110	*/
GregCr	0:9be122c18509	111	static uint32_t UpLinkCounter = 1;
GregCr	0:9be122c18509	112
GregCr	0:9be122c18509	113	/*!
GregCr	0:9be122c18509	114	* LoRaMAC frame counter. Each time a packet is received the counter is incremented.
GregCr	0:9be122c18509	115	* Only the 16 LSB bits are received
GregCr	0:9be122c18509	116	*/
GregCr	0:9be122c18509	117	static uint32_t DownLinkCounter = 0;
GregCr	0:9be122c18509	118
GregCr	0:9be122c18509	119	/*!
GregCr	0:9be122c18509	120	* IsPacketCounterFixed enables the MIC field tests by fixing the
GregCr	0:9be122c18509	121	* UpLinkCounter value
GregCr	0:9be122c18509	122	*/
GregCr	0:9be122c18509	123	static bool IsUpLinkCounterFixed = false;
GregCr	0:9be122c18509	124
GregCr	0:9be122c18509	125	/*!
GregCr	0:9be122c18509	126	* Used for test purposes. Disables the opening of the reception windows.
GregCr	0:9be122c18509	127	*/
GregCr	0:9be122c18509	128	static bool IsRxWindowsEnabled = true;
GregCr	0:9be122c18509	129
GregCr	0:9be122c18509	130	/*!
GregCr	0:9be122c18509	131	* Indicates if the MAC layer has already joined a network.
GregCr	0:9be122c18509	132	*/
GregCr	0:9be122c18509	133	static bool IsLoRaMacNetworkJoined = false;
GregCr	0:9be122c18509	134
GregCr	0:9be122c18509	135	/*!
GregCr	0:9be122c18509	136	* LoRaMac ADR control status
GregCr	0:9be122c18509	137	*/
GregCr	0:9be122c18509	138	static bool AdrCtrlOn = false;
GregCr	0:9be122c18509	139
GregCr	0:9be122c18509	140	/*!
GregCr	0:9be122c18509	141	* Counts the number of missed ADR acknowledgements
GregCr	0:9be122c18509	142	*/
GregCr	0:9be122c18509	143	static uint32_t AdrAckCounter = 0;
GregCr	0:9be122c18509	144
GregCr	0:9be122c18509	145	/*!
GregCr	0:9be122c18509	146	* If the node has sent a FRAME_TYPE_DATA_CONFIRMED_UP this variable indicates
GregCr	0:9be122c18509	147	* if the nodes needs to manage the server acknowledgement.
GregCr	0:9be122c18509	148	*/
GregCr	0:9be122c18509	149	static bool NodeAckRequested = false;
GregCr	0:9be122c18509	150
GregCr	0:9be122c18509	151	/*!
GregCr	0:9be122c18509	152	* If the server has sent a FRAME_TYPE_DATA_CONFIRMED_DOWN this variable indicates
GregCr	0:9be122c18509	153	* if the ACK bit must be set for the next transmission
GregCr	0:9be122c18509	154	*/
GregCr	0:9be122c18509	155	static bool SrvAckRequested = false;
GregCr	0:9be122c18509	156
GregCr	0:9be122c18509	157	/*!
GregCr	0:9be122c18509	158	* Indicates if the MAC layer wants to send MAC commands
GregCr	0:9be122c18509	159	*/
GregCr	0:9be122c18509	160	static bool MacCommandsInNextTx = false;
GregCr	0:9be122c18509	161
GregCr	0:9be122c18509	162	/*!
GregCr	0:9be122c18509	163	* Contains the current MacCommandsBuffer index
GregCr	0:9be122c18509	164	*/
GregCr	0:9be122c18509	165	static uint8_t MacCommandsBufferIndex = 0;
GregCr	0:9be122c18509	166
GregCr	0:9be122c18509	167	/*!
GregCr	0:9be122c18509	168	* Buffer containing the MAC layer commands
GregCr	0:9be122c18509	169	*/
GregCr	0:9be122c18509	170	static uint8_t MacCommandsBuffer[15];
GregCr	0:9be122c18509	171
GregCr	0:9be122c18509	172	/*!
GregCr	0:9be122c18509	173	* Data rates table definition
GregCr	0:9be122c18509	174	*/
GregCr	0:9be122c18509	175	const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
GregCr	0:9be122c18509	176
GregCr	0:9be122c18509	177	/*!
GregCr	0:9be122c18509	178	* Tx output powers table definition
GregCr	0:9be122c18509	179	*/
GregCr	0:9be122c18509	180	const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 };
GregCr	0:9be122c18509	181
GregCr	0:9be122c18509	182	#if defined( USE_BAND_868 )
GregCr	0:9be122c18509	183	/*!
GregCr	0:9be122c18509	184	* LoRaMac bands
GregCr	0:9be122c18509	185	*/
GregCr	0:9be122c18509	186	static Band_t Bands[LORA_MAX_NB_BANDS] =
GregCr	0:9be122c18509	187	{
GregCr	0:9be122c18509	188	BAND0,
GregCr	0:9be122c18509	189	BAND1,
GregCr	0:9be122c18509	190	BAND2,
GregCr	0:9be122c18509	191	BAND3,
GregCr	0:9be122c18509	192	BAND4,
GregCr	0:9be122c18509	193	};
GregCr	0:9be122c18509	194
GregCr	0:9be122c18509	195	/*!
GregCr	0:9be122c18509	196	* LoRaMAC channels
GregCr	0:9be122c18509	197	*/
GregCr	0:9be122c18509	198	static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
GregCr	0:9be122c18509	199	{
GregCr	0:9be122c18509	200	LC1,
GregCr	0:9be122c18509	201	LC2,
GregCr	0:9be122c18509	202	LC3,
GregCr	0:9be122c18509	203	LC4,
GregCr	0:9be122c18509	204	LC5,
GregCr	0:9be122c18509	205	LC6,
GregCr	0:9be122c18509	206	LC7,
GregCr	0:9be122c18509	207	LC8,
GregCr	0:9be122c18509	208	LC9,
GregCr	0:9be122c18509	209	};
GregCr	0:9be122c18509	210	#else
GregCr	0:9be122c18509	211	/*!
GregCr	0:9be122c18509	212	* LoRaMac bands
GregCr	0:9be122c18509	213	*/
GregCr	0:9be122c18509	214	static Band_t Bands[LORA_MAX_NB_BANDS] =
GregCr	0:9be122c18509	215	{
GregCr	0:9be122c18509	216	BAND0,
GregCr	0:9be122c18509	217	};
GregCr	0:9be122c18509	218
GregCr	0:9be122c18509	219	/*!
GregCr	0:9be122c18509	220	* LoRaMAC channels
GregCr	0:9be122c18509	221	*/
GregCr	0:9be122c18509	222	static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
GregCr	0:9be122c18509	223	{
GregCr	0:9be122c18509	224	LC1,
GregCr	0:9be122c18509	225	LC2,
GregCr	0:9be122c18509	226	LC3,
GregCr	0:9be122c18509	227	};
GregCr	0:9be122c18509	228	#endif
GregCr	0:9be122c18509	229
GregCr	0:9be122c18509	230	/*!
GregCr	0:9be122c18509	231	* LoRaMAC 2nd reception window settings
GregCr	0:9be122c18509	232	*/
GregCr	0:9be122c18509	233	static Rx2ChannelParams_t Rx2Channel = RX_WND_2_CHANNEL;
GregCr	0:9be122c18509	234
GregCr	0:9be122c18509	235	/*!
GregCr	0:9be122c18509	236	* Datarate offset between uplink and downlink on first window
GregCr	0:9be122c18509	237	*/
GregCr	0:9be122c18509	238	static uint8_t Rx1DrOffset = 0;
GregCr	0:9be122c18509	239
GregCr	0:9be122c18509	240	/*!
GregCr	0:9be122c18509	241	* Mask indicating which channels are enabled
GregCr	0:9be122c18509	242	*/
GregCr	0:9be122c18509	243	static uint16_t ChannelsMask;
GregCr	0:9be122c18509	244
GregCr	0:9be122c18509	245	/*!
GregCr	0:9be122c18509	246	* Channels Tx output power
GregCr	0:9be122c18509	247	*/
GregCr	0:9be122c18509	248	static int8_t ChannelsTxPower = LORAMAC_DEFAULT_TX_POWER;
GregCr	0:9be122c18509	249
GregCr	0:9be122c18509	250	/*!
GregCr	0:9be122c18509	251	* Channels datarate
GregCr	0:9be122c18509	252	*/
GregCr	0:9be122c18509	253	static int8_t ChannelsDatarate = LORAMAC_DEFAULT_DATARATE;
GregCr	0:9be122c18509	254
GregCr	0:9be122c18509	255	/*!
GregCr	0:9be122c18509	256	* Channels defualt datarate
GregCr	0:9be122c18509	257	*/
GregCr	0:9be122c18509	258	static int8_t ChannelsDefaultDatarate = LORAMAC_DEFAULT_DATARATE;
GregCr	0:9be122c18509	259
GregCr	0:9be122c18509	260	/*!
GregCr	0:9be122c18509	261	* Number of uplink messages repetitions [1:15] (unconfirmed messages only)
GregCr	0:9be122c18509	262	*/
GregCr	0:9be122c18509	263	static uint8_t ChannelsNbRep = 1; //
GregCr	0:9be122c18509	264
GregCr	0:9be122c18509	265	/*!
GregCr	0:9be122c18509	266	* Uplink messages repetitions counter
GregCr	0:9be122c18509	267	*/
GregCr	0:9be122c18509	268	static uint8_t ChannelsNbRepCounter = 0;
GregCr	0:9be122c18509	269
GregCr	0:9be122c18509	270	/*!
GregCr	0:9be122c18509	271	* Maximum duty cycle
GregCr	0:9be122c18509	272	* \remark Possibility to shutdown the device. Everything else not implemented.
GregCr	0:9be122c18509	273	*/
GregCr	0:9be122c18509	274	static uint8_t MaxDCycle = 0;
GregCr	0:9be122c18509	275
GregCr	0:9be122c18509	276	/*!
GregCr	0:9be122c18509	277	* Agregated duty cycle management
GregCr	0:9be122c18509	278	*/
GregCr	0:9be122c18509	279	static uint16_t AggregatedDCycle;
GregCr	0:9be122c18509	280	static uint64_t AggregatedLastTxDoneTime;
GregCr	0:9be122c18509	281	static uint64_t AggregatedTimeOff;
GregCr	0:9be122c18509	282
GregCr	0:9be122c18509	283	/*!
GregCr	0:9be122c18509	284	* Enables/Disables duty cycle management (Test only)
GregCr	0:9be122c18509	285	*/
GregCr	0:9be122c18509	286	static bool DutyCycleOn;
GregCr	0:9be122c18509	287
GregCr	0:9be122c18509	288	/*!
GregCr	0:9be122c18509	289	* Current channel index
GregCr	0:9be122c18509	290	*/
GregCr	0:9be122c18509	291	static uint8_t Channel;
GregCr	0:9be122c18509	292
GregCr	0:9be122c18509	293	/*!
GregCr	0:9be122c18509	294	* LoRaMac internal states
GregCr	0:9be122c18509	295	*/
GregCr	0:9be122c18509	296	enum LoRaMacState_e
GregCr	0:9be122c18509	297	{
GregCr	0:9be122c18509	298	MAC_IDLE = 0x00000000,
GregCr	0:9be122c18509	299	MAC_TX_RUNNING = 0x00000001,
GregCr	0:9be122c18509	300	MAC_RX = 0x00000002,
GregCr	0:9be122c18509	301	MAC_ACK_REQ = 0x00000004,
GregCr	0:9be122c18509	302	MAC_ACK_RETRY = 0x00000008,
GregCr	0:9be122c18509	303	MAC_CHANNEL_CHECK = 0x00000010,
GregCr	0:9be122c18509	304	};
GregCr	0:9be122c18509	305
GregCr	0:9be122c18509	306	/*!
GregCr	0:9be122c18509	307	* LoRaMac internal state
GregCr	0:9be122c18509	308	*/
GregCr	0:9be122c18509	309	uint32_t LoRaMacState = MAC_IDLE;
GregCr	0:9be122c18509	310
GregCr	0:9be122c18509	311	/*!
GregCr	0:9be122c18509	312	* LoRaMac timer used to check the LoRaMacState (runs every second)
GregCr	0:9be122c18509	313	*/
GregCr	0:9be122c18509	314	Ticker MacStateCheckTimer;
GregCr	0:9be122c18509	315
GregCr	0:9be122c18509	316	/*!
GregCr	0:9be122c18509	317	* LoRaMac upper layer event functions
GregCr	0:9be122c18509	318	*/
GregCr	0:9be122c18509	319	static LoRaMacEvent_t *LoRaMacEvents;
GregCr	0:9be122c18509	320
GregCr	0:9be122c18509	321	/*!
GregCr	0:9be122c18509	322	* LoRaMac notification event flags
GregCr	0:9be122c18509	323	*/
GregCr	0:9be122c18509	324	LoRaMacEventFlags_t LoRaMacEventFlags;
GregCr	0:9be122c18509	325
GregCr	0:9be122c18509	326	/*!
GregCr	0:9be122c18509	327	* LoRaMac notification event info
GregCr	0:9be122c18509	328	*/
GregCr	0:9be122c18509	329	LoRaMacEventInfo_t LoRaMacEventInfo;
GregCr	0:9be122c18509	330
GregCr	0:9be122c18509	331	/*!
GregCr	0:9be122c18509	332	* Radio events function pointer
GregCr	0:9be122c18509	333	*/
GregCr	0:9be122c18509	334	//static RadioEvents_t RadioEvents;
GregCr	0:9be122c18509	335
GregCr	0:9be122c18509	336	/*!
GregCr	0:9be122c18509	337	* LoRaMac channel check timer
GregCr	0:9be122c18509	338	*/
GregCr	0:9be122c18509	339	Ticker ChannelCheckTimer;
GregCr	0:9be122c18509	340
GregCr	0:9be122c18509	341	/*!
GregCr	0:9be122c18509	342	* LoRaMac duty cycle delayed Tx timer
GregCr	0:9be122c18509	343	*/
GregCr	0:9be122c18509	344	Ticker TxDelayedTimer;
GregCr	0:9be122c18509	345
GregCr	0:9be122c18509	346	/*!
GregCr	0:9be122c18509	347	* LoRaMac reception windows timers
GregCr	0:9be122c18509	348	*/
GregCr	0:9be122c18509	349	Ticker RxWindowTimer1;
GregCr	0:9be122c18509	350	Ticker RxWindowTimer2;
GregCr	0:9be122c18509	351
GregCr	0:9be122c18509	352	/*!
GregCr	0:9be122c18509	353	* LoRaMac reception windows delay from end of Tx
GregCr	0:9be122c18509	354	*/
GregCr	0:9be122c18509	355	static uint32_t ReceiveDelay1;
GregCr	0:9be122c18509	356	static uint32_t ReceiveDelay2;
GregCr	0:9be122c18509	357	static uint32_t JoinAcceptDelay1;
GregCr	0:9be122c18509	358	static uint32_t JoinAcceptDelay2;
GregCr	0:9be122c18509	359
GregCr	0:9be122c18509	360	/*!
GregCr	0:9be122c18509	361	* LoRaMac reception windows delay
GregCr	0:9be122c18509	362	* \remark normal frame: RxWindowXDelay = ReceiveDelayX - RADIO_WAKEUP_TIME
GregCr	0:9be122c18509	363	* join frame : RxWindowXDelay = JoinAcceptDelayX - RADIO_WAKEUP_TIME
GregCr	0:9be122c18509	364	*/
GregCr	0:9be122c18509	365	static uint32_t RxWindow1Delay;
GregCr	0:9be122c18509	366	static uint32_t RxWindow2Delay;
GregCr	0:9be122c18509	367
GregCr	0:9be122c18509	368	/*!
GregCr	0:9be122c18509	369	* LoRaMac maximum time a reception window stays open
GregCr	0:9be122c18509	370	*/
GregCr	0:9be122c18509	371	static uint32_t MaxRxWindow;
GregCr	0:9be122c18509	372
GregCr	0:9be122c18509	373	/*!
GregCr	0:9be122c18509	374	* Acknowledge timeout timer. Used for packet retransmissions.
GregCr	0:9be122c18509	375	*/
GregCr	0:9be122c18509	376	Ticker AckTimeoutTimer;
GregCr	0:9be122c18509	377
GregCr	0:9be122c18509	378	/*!
GregCr	0:9be122c18509	379	* Number of trials to get a frame acknowledged
GregCr	0:9be122c18509	380	*/
GregCr	0:9be122c18509	381	static uint8_t AckTimeoutRetries = 1;
GregCr	0:9be122c18509	382
GregCr	0:9be122c18509	383	/*!
GregCr	0:9be122c18509	384	* Number of trials to get a frame acknowledged
GregCr	0:9be122c18509	385	*/
GregCr	0:9be122c18509	386	static uint8_t AckTimeoutRetriesCounter = 1;
GregCr	0:9be122c18509	387
GregCr	0:9be122c18509	388	/*!
GregCr	0:9be122c18509	389	* Indicates if the AckTimeout timer has expired or not
GregCr	0:9be122c18509	390	*/
GregCr	0:9be122c18509	391	static bool AckTimeoutRetry = false;
GregCr	0:9be122c18509	392
GregCr	0:9be122c18509	393	/*!
GregCr	0:9be122c18509	394	* Last transmission time on air
GregCr	0:9be122c18509	395	*/
GregCr	0:9be122c18509	396	TimerTime_t TxTimeOnAir = 0;
GregCr	0:9be122c18509	397
GregCr	0:9be122c18509	398	/*!
GregCr	0:9be122c18509	399	* Function to be executed on Radio Tx Done event
GregCr	0:9be122c18509	400	*/
GregCr	0:9be122c18509	401	static void OnRadioTxDone( void );
GregCr	0:9be122c18509	402
GregCr	0:9be122c18509	403	/*!
GregCr	0:9be122c18509	404	* Function to be executed on Radio Rx Done event
GregCr	0:9be122c18509	405	*/
GregCr	0:9be122c18509	406	static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
GregCr	0:9be122c18509	407
GregCr	0:9be122c18509	408	/*!
GregCr	0:9be122c18509	409	* Function executed on Radio Tx Timeout event
GregCr	0:9be122c18509	410	*/
GregCr	0:9be122c18509	411	static void OnRadioTxTimeout( void );
GregCr	0:9be122c18509	412
GregCr	0:9be122c18509	413	/*!
GregCr	0:9be122c18509	414	* Function executed on Radio Rx error event
GregCr	0:9be122c18509	415	*/
GregCr	0:9be122c18509	416	static void OnRadioRxError( void );
GregCr	0:9be122c18509	417
GregCr	0:9be122c18509	418	/*!
GregCr	0:9be122c18509	419	* Function executed on Radio Rx Timeout event
GregCr	0:9be122c18509	420	*/
GregCr	0:9be122c18509	421	static void OnRadioRxTimeout( void );
GregCr	0:9be122c18509	422
GregCr	0:9be122c18509	423	/*!
GregCr	0:9be122c18509	424	* Function executed on Resend Frame timer event.
GregCr	0:9be122c18509	425	*/
GregCr	0:9be122c18509	426	static void OnMacStateCheckTimerEvent( void );
GregCr	0:9be122c18509	427
GregCr	0:9be122c18509	428	/*!
GregCr	0:9be122c18509	429	* Function executed on duty cycle delayed Tx timer event
GregCr	0:9be122c18509	430	*/
GregCr	0:9be122c18509	431	static void OnTxDelayedTimerEvent( void );
GregCr	0:9be122c18509	432
GregCr	0:9be122c18509	433	/*!
GregCr	0:9be122c18509	434	* Function executed on channel check timer event
GregCr	0:9be122c18509	435	*/
GregCr	0:9be122c18509	436	static void OnChannelCheckTimerEvent( void );
GregCr	0:9be122c18509	437
GregCr	0:9be122c18509	438	/*!
GregCr	0:9be122c18509	439	* Function executed on first Rx window timer event
GregCr	0:9be122c18509	440	*/
GregCr	0:9be122c18509	441	static void OnRxWindow1TimerEvent( void );
GregCr	0:9be122c18509	442
GregCr	0:9be122c18509	443	/*!
GregCr	0:9be122c18509	444	* Function executed on second Rx window timer event
GregCr	0:9be122c18509	445	*/
GregCr	0:9be122c18509	446	static void OnRxWindow2TimerEvent( void );
GregCr	0:9be122c18509	447
GregCr	0:9be122c18509	448	/*!
GregCr	0:9be122c18509	449	* Function executed on AckTimeout timer event
GregCr	0:9be122c18509	450	*/
GregCr	0:9be122c18509	451	static void OnAckTimeoutTimerEvent( void );
GregCr	0:9be122c18509	452
GregCr	0:9be122c18509	453
GregCr	0:9be122c18509	454
GregCr	0:9be122c18509	455	SX1276MB1xAS Radio( OnRadioTxDone, OnRadioTxTimeout, OnRadioRxDone, OnRadioRxTimeout, OnRadioRxError, NULL, NULL );
GregCr	0:9be122c18509	456
GregCr	0:9be122c18509	457
GregCr	0:9be122c18509	458
GregCr	0:9be122c18509	459
GregCr	0:9be122c18509	460
GregCr	0:9be122c18509	461	/*!
GregCr	0:9be122c18509	462	* Searches and set the next random available channel
GregCr	0:9be122c18509	463	*
GregCr	0:9be122c18509	464	* \retval status Function status [0: OK, 1: Unable to find a free channel]
GregCr	0:9be122c18509	465	*/
GregCr	0:9be122c18509	466	static uint8_t LoRaMacSetNextChannel( void )
GregCr	0:9be122c18509	467	{
GregCr	0:9be122c18509	468	uint8_t i = 0;
GregCr	0:9be122c18509	469	uint8_t j = 0;
GregCr	0:9be122c18509	470	uint8_t channelNext = Channel;
GregCr	0:9be122c18509	471	uint8_t nbEnabledChannels = 0;
GregCr	0:9be122c18509	472	uint8_t enabledChannels[LORA_MAX_NB_CHANNELS];
GregCr	0:9be122c18509	473	uint64_t curTime = TimerGetCurrentTime( );
GregCr	0:9be122c18509	474
GregCr	0:9be122c18509	475	memset( enabledChannels, 0, LORA_MAX_NB_CHANNELS );
GregCr	0:9be122c18509	476
GregCr	0:9be122c18509	477	// Update Aggregated duty cycle
GregCr	0:9be122c18509	478	if( AggregatedTimeOff < ( curTime - AggregatedLastTxDoneTime ) )
GregCr	0:9be122c18509	479	{
GregCr	0:9be122c18509	480	AggregatedTimeOff = 0;
GregCr	0:9be122c18509	481	}
GregCr	0:9be122c18509	482
GregCr	0:9be122c18509	483	// Update bands Time OFF
GregCr	0:9be122c18509	484	uint64_t minTime = 0xFFFFFFFFFFFFFFFF;
GregCr	0:9be122c18509	485	for( i = 0; i < LORA_MAX_NB_BANDS; i++ )
GregCr	0:9be122c18509	486	{
GregCr	0:9be122c18509	487	if( DutyCycleOn == true )
GregCr	0:9be122c18509	488	{
GregCr	0:9be122c18509	489	if( Bands[i].TimeOff < ( curTime - Bands[i].LastTxDoneTime ) )
GregCr	0:9be122c18509	490	{
GregCr	0:9be122c18509	491	Bands[i].TimeOff = 0;
GregCr	0:9be122c18509	492	}
GregCr	0:9be122c18509	493	if( Bands[i].TimeOff != 0 )
GregCr	0:9be122c18509	494	{
GregCr	0:9be122c18509	495	minTime = MIN( Bands[i].TimeOff, minTime );
GregCr	0:9be122c18509	496	}
GregCr	0:9be122c18509	497	}
GregCr	0:9be122c18509	498	else
GregCr	0:9be122c18509	499	{
GregCr	0:9be122c18509	500	minTime = 0;
GregCr	0:9be122c18509	501	Bands[i].TimeOff = 0;
GregCr	0:9be122c18509	502	}
GregCr	0:9be122c18509	503	}
GregCr	0:9be122c18509	504
GregCr	0:9be122c18509	505	// Search how many channels are enabled
GregCr	0:9be122c18509	506	for( i = 0; i < LORA_MAX_NB_CHANNELS; i++ )
GregCr	0:9be122c18509	507	{
GregCr	0:9be122c18509	508	if( ( ( 1 << i ) & ChannelsMask ) != 0 )
GregCr	0:9be122c18509	509	{
GregCr	0:9be122c18509	510	if( Channels[i].Frequency == 0 )
GregCr	0:9be122c18509	511	{ // Check if the channel is enabled
GregCr	0:9be122c18509	512	continue;
GregCr	0:9be122c18509	513	}
GregCr	0:9be122c18509	514	if( ( ( Channels[i].DrRange.Fields.Min <= ChannelsDatarate ) &&
GregCr	0:9be122c18509	515	( ChannelsDatarate <= Channels[i].DrRange.Fields.Max ) ) == false )
GregCr	0:9be122c18509	516	{ // Check if the current channel selection supports the given datarate
GregCr	0:9be122c18509	517	continue;
GregCr	0:9be122c18509	518	}
GregCr	0:9be122c18509	519	if( Bands[Channels[i].Band].TimeOff > 0 )
GregCr	0:9be122c18509	520	{ // Check if the band is available for transmission
GregCr	0:9be122c18509	521	continue;
GregCr	0:9be122c18509	522	}
GregCr	0:9be122c18509	523	if( AggregatedTimeOff > 0 )
GregCr	0:9be122c18509	524	{ // Check if there is time available for transmission
GregCr	0:9be122c18509	525	continue;
GregCr	0:9be122c18509	526	}
GregCr	0:9be122c18509	527	enabledChannels[nbEnabledChannels++] = i;
GregCr	0:9be122c18509	528	}
GregCr	0:9be122c18509	529	}
GregCr	0:9be122c18509	530	if( nbEnabledChannels > 0 )
GregCr	0:9be122c18509	531	{
GregCr	0:9be122c18509	532	for( i = 0, j = randr( 0, nbEnabledChannels - 1 ); i < LORA_MAX_NB_CHANNELS; i++ )
GregCr	0:9be122c18509	533	{
GregCr	0:9be122c18509	534	channelNext = enabledChannels[j];
GregCr	0:9be122c18509	535	j = ( j + 1 ) % nbEnabledChannels;
GregCr	0:9be122c18509	536
GregCr	0:9be122c18509	537	if( Radio.IsChannelFree( MODEM_LORA, Channels[channelNext].Frequency, RSSI_FREE_TH ) == true )
GregCr	0:9be122c18509	538	{
GregCr	0:9be122c18509	539	// Free channel found
GregCr	0:9be122c18509	540	Channel = channelNext;
GregCr	0:9be122c18509	541
GregCr	0:9be122c18509	542	LoRaMacState &= ~MAC_CHANNEL_CHECK;
GregCr	0:9be122c18509	543	ChannelCheckTimer.detach( );
GregCr	0:9be122c18509	544	return 0;
GregCr	0:9be122c18509	545	}
GregCr	0:9be122c18509	546	}
GregCr	0:9be122c18509	547	}
GregCr	0:9be122c18509	548	// No free channel found.
GregCr	0:9be122c18509	549	// Check again
GregCr	0:9be122c18509	550	if( ( LoRaMacState & MAC_CHANNEL_CHECK ) == 0 )
GregCr	0:9be122c18509	551	{
GregCr	0:9be122c18509	552	ChannelCheckTimer.attach_us( OnChannelCheckTimerEvent, minTime );
GregCr	0:9be122c18509	553	LoRaMacState \|= MAC_CHANNEL_CHECK;
GregCr	0:9be122c18509	554	}
GregCr	0:9be122c18509	555	return 1;
GregCr	0:9be122c18509	556	}
GregCr	0:9be122c18509	557
GregCr	0:9be122c18509	558	/*
GregCr	0:9be122c18509	559	* TODO: Add documentation
GregCr	0:9be122c18509	560	*/
GregCr	0:9be122c18509	561	void OnChannelCheckTimerEvent( void )
GregCr	0:9be122c18509	562	{
GregCr	2:737ad7fbc97e	563	ChannelCheckTimer.detach( );
GregCr	0:9be122c18509	564
GregCr	0:9be122c18509	565	LoRaMacState &= ~MAC_CHANNEL_CHECK;
GregCr	0:9be122c18509	566	if( LoRaMacSetNextChannel( ) == 0 )
GregCr	0:9be122c18509	567	{
GregCr	0:9be122c18509	568	if( ( LoRaMacState & MAC_TX_RUNNING ) == MAC_TX_RUNNING )
GregCr	0:9be122c18509	569	{
GregCr	0:9be122c18509	570	LoRaMacSendFrameOnChannel( Channels[Channel] );
GregCr	0:9be122c18509	571	}
GregCr	0:9be122c18509	572	}
GregCr	0:9be122c18509	573	}
GregCr	0:9be122c18509	574
GregCr	0:9be122c18509	575	/*!
GregCr	0:9be122c18509	576	* Adds a new MAC command to be sent.
GregCr	0:9be122c18509	577	*
GregCr	0:9be122c18509	578	* \Remark MAC layer internal function
GregCr	0:9be122c18509	579	*
GregCr	0:9be122c18509	580	* \param [in] cmd MAC command to be added
GregCr	0:9be122c18509	581	* [MOTE_MAC_LINK_CHECK_REQ,
GregCr	0:9be122c18509	582	* MOTE_MAC_LINK_ADR_ANS,
GregCr	0:9be122c18509	583	* MOTE_MAC_DUTY_CYCLE_ANS,
GregCr	0:9be122c18509	584	* MOTE_MAC_RX2_PARAM_SET_ANS,
GregCr	0:9be122c18509	585	* MOTE_MAC_DEV_STATUS_ANS
GregCr	0:9be122c18509	586	* MOTE_MAC_NEW_CHANNEL_ANS]
GregCr	0:9be122c18509	587	* \param [in] p1 1st parameter ( optional depends on the command )
GregCr	0:9be122c18509	588	* \param [in] p2 2nd parameter ( optional depends on the command )
GregCr	0:9be122c18509	589	*
GregCr	0:9be122c18509	590	* \retval status Function status [0: OK, 1: Unknown command, 2: Buffer full]
GregCr	0:9be122c18509	591	*/
GregCr	0:9be122c18509	592	static uint8_t AddMacCommand( uint8_t cmd, uint8_t p1, uint8_t p2 )
GregCr	0:9be122c18509	593	{
GregCr	0:9be122c18509	594	MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
GregCr	0:9be122c18509	595	switch( cmd )
GregCr	0:9be122c18509	596	{
GregCr	0:9be122c18509	597	case MOTE_MAC_LINK_CHECK_REQ:
GregCr	0:9be122c18509	598	// No payload for this command
GregCr	0:9be122c18509	599	break;
GregCr	0:9be122c18509	600	case MOTE_MAC_LINK_ADR_ANS:
GregCr	0:9be122c18509	601	// Margin
GregCr	0:9be122c18509	602	MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
GregCr	0:9be122c18509	603	break;
GregCr	0:9be122c18509	604	case MOTE_MAC_DUTY_CYCLE_ANS:
GregCr	0:9be122c18509	605	// No payload for this answer
GregCr	0:9be122c18509	606	break;
GregCr	0:9be122c18509	607	case MOTE_MAC_RX_PARAM_SETUP_ANS:
GregCr	0:9be122c18509	608	// Status: Datarate ACK, Channel ACK
GregCr	0:9be122c18509	609	MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
GregCr	0:9be122c18509	610	break;
GregCr	0:9be122c18509	611	case MOTE_MAC_DEV_STATUS_ANS:
GregCr	0:9be122c18509	612	// 1st byte Battery
GregCr	0:9be122c18509	613	// 2nd byte Margin
GregCr	0:9be122c18509	614	MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
GregCr	0:9be122c18509	615	MacCommandsBuffer[MacCommandsBufferIndex++] = p2;
GregCr	0:9be122c18509	616	break;
GregCr	0:9be122c18509	617	case MOTE_MAC_NEW_CHANNEL_ANS:
GregCr	0:9be122c18509	618	// Status: Datarate range OK, Channel frequency OK
GregCr	0:9be122c18509	619	MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
GregCr	0:9be122c18509	620	break;
GregCr	0:9be122c18509	621	case MOTE_MAC_RX_TIMING_SETUP_ANS:
GregCr	0:9be122c18509	622	// No payload for this answer
GregCr	0:9be122c18509	623	break;
GregCr	0:9be122c18509	624	default:
GregCr	0:9be122c18509	625	return 1;
GregCr	0:9be122c18509	626	}
GregCr	0:9be122c18509	627	if( MacCommandsBufferIndex <= 15 )
GregCr	0:9be122c18509	628	{
GregCr	0:9be122c18509	629	MacCommandsInNextTx = true;
GregCr	0:9be122c18509	630	return 0;
GregCr	0:9be122c18509	631	}
GregCr	0:9be122c18509	632	else
GregCr	0:9be122c18509	633	{
GregCr	0:9be122c18509	634	return 2;
GregCr	0:9be122c18509	635	}
GregCr	0:9be122c18509	636	}
GregCr	0:9be122c18509	637
GregCr	0:9be122c18509	638	// TODO: Add Documentation
GregCr	0:9be122c18509	639	static void LoRaMacNotify( LoRaMacEventFlags_t flags, LoRaMacEventInfo_t info )
GregCr	0:9be122c18509	640	{
GregCr	0:9be122c18509	641	if( ( LoRaMacEvents != NULL ) && ( LoRaMacEvents->MacEvent != NULL ) )
GregCr	0:9be122c18509	642	{
GregCr	0:9be122c18509	643	LoRaMacEvents->MacEvent( flags, info );
GregCr	0:9be122c18509	644	}
GregCr	0:9be122c18509	645	flags->Value = 0;
GregCr	0:9be122c18509	646	}
GregCr	0:9be122c18509	647
GregCr	0:9be122c18509	648	void LoRaMacInit( LoRaMacEvent_t *events )
GregCr	0:9be122c18509	649	{
GregCr	0:9be122c18509	650	LoRaMacEvents = events;
GregCr	0:9be122c18509	651
GregCr	0:9be122c18509	652	LoRaMacEventFlags.Value = 0;
GregCr	0:9be122c18509	653
GregCr	0:9be122c18509	654	LoRaMacEventInfo.TxAckReceived = false;
GregCr	0:9be122c18509	655	LoRaMacEventInfo.TxNbRetries = 0;
GregCr	0:9be122c18509	656	LoRaMacEventInfo.TxDatarate = 7;
GregCr	0:9be122c18509	657	LoRaMacEventInfo.RxPort = 1;
GregCr	0:9be122c18509	658	LoRaMacEventInfo.RxBuffer = NULL;
GregCr	0:9be122c18509	659	LoRaMacEventInfo.RxBufferSize = 0;
GregCr	0:9be122c18509	660	LoRaMacEventInfo.RxRssi = 0;
GregCr	0:9be122c18509	661	LoRaMacEventInfo.RxSnr = 0;
GregCr	0:9be122c18509	662	LoRaMacEventInfo.Energy = 0;
GregCr	0:9be122c18509	663	LoRaMacEventInfo.DemodMargin = 0;
GregCr	0:9be122c18509	664	LoRaMacEventInfo.NbGateways = 0;
GregCr	0:9be122c18509	665	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
GregCr	0:9be122c18509	666
GregCr	0:9be122c18509	667	LoRaMacDeviceClass = CLASS_A;
GregCr	0:9be122c18509	668
GregCr	0:9be122c18509	669	UpLinkCounter = 1;
GregCr	0:9be122c18509	670	DownLinkCounter = 0;
GregCr	0:9be122c18509	671
GregCr	0:9be122c18509	672	IsLoRaMacNetworkJoined = false;
GregCr	0:9be122c18509	673	LoRaMacState = MAC_IDLE;
GregCr	0:9be122c18509	674
GregCr	0:9be122c18509	675	#if defined( USE_BAND_868 )
GregCr	0:9be122c18509	676	ChannelsMask = LC( 1 ) + LC( 2 ) + LC( 3 ) + LC( 4 ) + LC( 5 ) + LC( 6 ) + LC( 7 ) + LC( 8 ) + LC( 9 );
GregCr	0:9be122c18509	677	#else
GregCr	0:9be122c18509	678	ChannelsMask = LC( 1 ) + LC( 2 ) + LC( 3 );
GregCr	0:9be122c18509	679	#endif
GregCr	0:9be122c18509	680	ChannelsTxPower = LORAMAC_DEFAULT_TX_POWER;
GregCr	0:9be122c18509	681	ChannelsDefaultDatarate = ChannelsDatarate = LORAMAC_DEFAULT_DATARATE;
GregCr	0:9be122c18509	682	ChannelsNbRep = 1;
GregCr	0:9be122c18509	683	ChannelsNbRepCounter = 0;
GregCr	0:9be122c18509	684
GregCr	0:9be122c18509	685	MaxDCycle = 0;
GregCr	0:9be122c18509	686	AggregatedDCycle = 1;
GregCr	0:9be122c18509	687	AggregatedLastTxDoneTime = 0;
GregCr	0:9be122c18509	688	AggregatedTimeOff = 0;
GregCr	0:9be122c18509	689
GregCr	0:9be122c18509	690	DutyCycleOn = true;
GregCr	0:9be122c18509	691
GregCr	0:9be122c18509	692	MaxRxWindow = MAX_RX_WINDOW;
GregCr	0:9be122c18509	693	ReceiveDelay1 = RECEIVE_DELAY1;
GregCr	0:9be122c18509	694	ReceiveDelay2 = RECEIVE_DELAY2;
GregCr	0:9be122c18509	695	JoinAcceptDelay1 = JOIN_ACCEPT_DELAY1;
GregCr	0:9be122c18509	696	JoinAcceptDelay2 = JOIN_ACCEPT_DELAY2;
GregCr	0:9be122c18509	697
GregCr	2:737ad7fbc97e	698	// MacStateCheckTimer.attach_us( &OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT );
GregCr	0:9be122c18509	699
GregCr	0:9be122c18509	700	// Random seed initialization
GregCr	0:9be122c18509	701	srand( RAND_SEED );
GregCr	0:9be122c18509	702
GregCr	0:9be122c18509	703	// Initialize channel index.
GregCr	0:9be122c18509	704	Channel = LORA_MAX_NB_CHANNELS;
GregCr	0:9be122c18509	705
GregCr	0:9be122c18509	706	PublicNetwork = true;
GregCr	0:9be122c18509	707	LoRaMacSetPublicNetwork( PublicNetwork );
GregCr	0:9be122c18509	708	Radio.Sleep( );
GregCr	0:9be122c18509	709	}
GregCr	0:9be122c18509	710
GregCr	0:9be122c18509	711	void LoRaMacSetAdrOn( bool enable )
GregCr	0:9be122c18509	712	{
GregCr	0:9be122c18509	713	AdrCtrlOn = enable;
GregCr	0:9be122c18509	714	}
GregCr	0:9be122c18509	715
GregCr	0:9be122c18509	716	void LoRaMacInitNwkIds( uint32_t netID, uint32_t devAddr, uint8_t nwkSKey, uint8_t appSKey )
GregCr	0:9be122c18509	717	{
GregCr	0:9be122c18509	718	LoRaMacNetID = netID;
GregCr	0:9be122c18509	719	LoRaMacDevAddr = devAddr;
GregCr	0:9be122c18509	720	LoRaMacMemCpy( nwkSKey, LoRaMacNwkSKey, 16 );
GregCr	0:9be122c18509	721	LoRaMacMemCpy( appSKey, LoRaMacAppSKey, 16 );
GregCr	0:9be122c18509	722
GregCr	0:9be122c18509	723	IsLoRaMacNetworkJoined = true;
GregCr	0:9be122c18509	724	}
GregCr	0:9be122c18509	725
GregCr	0:9be122c18509	726	void LoRaMacMulticastChannelAdd( MulticastParams_t *channelParam )
GregCr	0:9be122c18509	727	{
GregCr	0:9be122c18509	728	// Reset downlink counter
GregCr	0:9be122c18509	729	channelParam->DownLinkCounter = 0;
GregCr	0:9be122c18509	730
GregCr	0:9be122c18509	731	if( MulticastChannels == NULL )
GregCr	0:9be122c18509	732	{
GregCr	0:9be122c18509	733	MulticastChannels = channelParam;
GregCr	0:9be122c18509	734	}
GregCr	0:9be122c18509	735	else
GregCr	0:9be122c18509	736	{
GregCr	0:9be122c18509	737	MulticastParams_t *cur = MulticastChannels;
GregCr	0:9be122c18509	738	while( cur->Next != NULL )
GregCr	0:9be122c18509	739	{
GregCr	0:9be122c18509	740	cur = cur->Next;
GregCr	0:9be122c18509	741	}
GregCr	0:9be122c18509	742	cur->Next = channelParam;
GregCr	0:9be122c18509	743	}
GregCr	0:9be122c18509	744	}
GregCr	0:9be122c18509	745
GregCr	0:9be122c18509	746	void LoRaMacMulticastChannelRemove( MulticastParams_t *channelParam )
GregCr	0:9be122c18509	747	{
GregCr	0:9be122c18509	748	MulticastParams_t *cur = NULL;
GregCr	0:9be122c18509	749
GregCr	0:9be122c18509	750	// Remove the front element
GregCr	0:9be122c18509	751	if( MulticastChannels == channelParam )
GregCr	0:9be122c18509	752	{
GregCr	0:9be122c18509	753	if( MulticastChannels != NULL )
GregCr	0:9be122c18509	754	{
GregCr	0:9be122c18509	755	cur = MulticastChannels;
GregCr	0:9be122c18509	756	MulticastChannels = MulticastChannels->Next;
GregCr	0:9be122c18509	757	cur->Next = NULL;
GregCr	0:9be122c18509	758	// Last node in the list
GregCr	0:9be122c18509	759	if( cur == MulticastChannels )
GregCr	0:9be122c18509	760	{
GregCr	0:9be122c18509	761	MulticastChannels = NULL;
GregCr	0:9be122c18509	762	}
GregCr	0:9be122c18509	763	}
GregCr	0:9be122c18509	764	return;
GregCr	0:9be122c18509	765	}
GregCr	0:9be122c18509	766
GregCr	0:9be122c18509	767	// Remove last element
GregCr	0:9be122c18509	768	if( channelParam->Next == NULL )
GregCr	0:9be122c18509	769	{
GregCr	0:9be122c18509	770	if( MulticastChannels != NULL )
GregCr	0:9be122c18509	771	{
GregCr	0:9be122c18509	772	cur = MulticastChannels;
GregCr	0:9be122c18509	773	MulticastParams_t *last = NULL;
GregCr	0:9be122c18509	774	while( cur->Next != NULL )
GregCr	0:9be122c18509	775	{
GregCr	0:9be122c18509	776	last = cur;
GregCr	0:9be122c18509	777	cur = cur->Next;
GregCr	0:9be122c18509	778	}
GregCr	0:9be122c18509	779	if( last != NULL )
GregCr	0:9be122c18509	780	{
GregCr	0:9be122c18509	781	last->Next = NULL;
GregCr	0:9be122c18509	782	}
GregCr	0:9be122c18509	783	// Last node in the list
GregCr	0:9be122c18509	784	if( cur == last )
GregCr	0:9be122c18509	785	{
GregCr	0:9be122c18509	786	MulticastChannels = NULL;
GregCr	0:9be122c18509	787	}
GregCr	0:9be122c18509	788	}
GregCr	0:9be122c18509	789	return;
GregCr	0:9be122c18509	790	}
GregCr	0:9be122c18509	791
GregCr	0:9be122c18509	792	// Remove a middle element
GregCr	0:9be122c18509	793	cur = MulticastChannels;
GregCr	0:9be122c18509	794	while( cur != NULL )
GregCr	0:9be122c18509	795	{
GregCr	0:9be122c18509	796	if( cur->Next == channelParam )
GregCr	0:9be122c18509	797	{
GregCr	0:9be122c18509	798	break;
GregCr	0:9be122c18509	799	}
GregCr	0:9be122c18509	800	cur = cur->Next;
GregCr	0:9be122c18509	801	}
GregCr	0:9be122c18509	802	if( cur != NULL )
GregCr	0:9be122c18509	803	{
GregCr	0:9be122c18509	804	MulticastParams_t *tmp = cur ->Next;
GregCr	0:9be122c18509	805	cur->Next = tmp->Next;
GregCr	0:9be122c18509	806	tmp->Next = NULL;
GregCr	0:9be122c18509	807	}
GregCr	0:9be122c18509	808	}
GregCr	0:9be122c18509	809
GregCr	0:9be122c18509	810	uint8_t LoRaMacJoinReq( uint8_t devEui, uint8_t appEui, uint8_t *appKey )
GregCr	0:9be122c18509	811	{
GregCr	0:9be122c18509	812	LoRaMacHeader_t macHdr;
GregCr	0:9be122c18509	813
GregCr	0:9be122c18509	814	LoRaMacDevEui = devEui;
GregCr	0:9be122c18509	815	LoRaMacAppEui = appEui;
GregCr	0:9be122c18509	816	LoRaMacAppKey = appKey;
GregCr	0:9be122c18509	817
GregCr	0:9be122c18509	818	macHdr.Value = 0;
GregCr	0:9be122c18509	819	macHdr.Bits.MType = FRAME_TYPE_JOIN_REQ;
GregCr	0:9be122c18509	820
GregCr	0:9be122c18509	821	IsLoRaMacNetworkJoined = false;
GregCr	0:9be122c18509	822	return LoRaMacSend( &macHdr, NULL, 0, NULL, 0 );
GregCr	0:9be122c18509	823	}
GregCr	0:9be122c18509	824
GregCr	0:9be122c18509	825	uint8_t LoRaMacLinkCheckReq( void )
GregCr	0:9be122c18509	826	{
GregCr	0:9be122c18509	827	return AddMacCommand( MOTE_MAC_LINK_CHECK_REQ, 0, 0 );
GregCr	0:9be122c18509	828	}
GregCr	0:9be122c18509	829
GregCr	0:9be122c18509	830	uint8_t LoRaMacSendFrame( uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
GregCr	0:9be122c18509	831	{
GregCr	0:9be122c18509	832	LoRaMacHeader_t macHdr;
GregCr	0:9be122c18509	833
GregCr	0:9be122c18509	834	macHdr.Value = 0;
GregCr	0:9be122c18509	835
GregCr	0:9be122c18509	836	macHdr.Bits.MType = FRAME_TYPE_DATA_UNCONFIRMED_UP;
GregCr	0:9be122c18509	837	return LoRaMacSend( &macHdr, NULL, fPort, fBuffer, fBufferSize );
GregCr	0:9be122c18509	838	}
GregCr	0:9be122c18509	839
GregCr	0:9be122c18509	840	uint8_t LoRaMacSendConfirmedFrame( uint8_t fPort, void *fBuffer, uint16_t fBufferSize, uint8_t retries )
GregCr	0:9be122c18509	841	{
GregCr	0:9be122c18509	842	LoRaMacHeader_t macHdr;
GregCr	0:9be122c18509	843
GregCr	0:9be122c18509	844	if( AdrCtrlOn == false )
GregCr	0:9be122c18509	845	{
GregCr	0:9be122c18509	846	ChannelsDatarate = ChannelsDefaultDatarate;
GregCr	0:9be122c18509	847	}
GregCr	0:9be122c18509	848	AckTimeoutRetries = retries;
GregCr	0:9be122c18509	849	AckTimeoutRetriesCounter = 1;
GregCr	0:9be122c18509	850
GregCr	0:9be122c18509	851	macHdr.Value = 0;
GregCr	0:9be122c18509	852
GregCr	0:9be122c18509	853	macHdr.Bits.MType = FRAME_TYPE_DATA_CONFIRMED_UP;
GregCr	0:9be122c18509	854	return LoRaMacSend( &macHdr, NULL, fPort, fBuffer, fBufferSize );
GregCr	0:9be122c18509	855	}
GregCr	0:9be122c18509	856
GregCr	0:9be122c18509	857	uint8_t LoRaMacSend( LoRaMacHeader_t macHdr, uint8_t fOpts, uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
GregCr	0:9be122c18509	858	{
GregCr	0:9be122c18509	859	LoRaMacFrameCtrl_t fCtrl;
GregCr	0:9be122c18509	860
GregCr	0:9be122c18509	861	fCtrl.Value = 0;
GregCr	0:9be122c18509	862
GregCr	0:9be122c18509	863	fCtrl.Bits.FOptsLen = 0;
GregCr	0:9be122c18509	864	fCtrl.Bits.FPending = 0;
GregCr	0:9be122c18509	865	fCtrl.Bits.Ack = false;
GregCr	0:9be122c18509	866	fCtrl.Bits.AdrAckReq = false;
GregCr	0:9be122c18509	867	fCtrl.Bits.Adr = AdrCtrlOn;
GregCr	0:9be122c18509	868
GregCr	0:9be122c18509	869	if( LoRaMacSetNextChannel( ) == 0 )
GregCr	0:9be122c18509	870	{
GregCr	0:9be122c18509	871	return LoRaMacSendOnChannel( Channels[Channel], macHdr, &fCtrl, fOpts, fPort, fBuffer, fBufferSize );
GregCr	0:9be122c18509	872	}
GregCr	0:9be122c18509	873	return 5;
GregCr	0:9be122c18509	874	}
GregCr	0:9be122c18509	875
GregCr	0:9be122c18509	876	uint8_t LoRaMacPrepareFrame( ChannelParams_t channel, LoRaMacHeader_t macHdr, LoRaMacFrameCtrl_t fCtrl, uint8_t fOpts, uint8_t fPort, void fBuffer, uint16_t fBufferSize )
GregCr	0:9be122c18509	877	{
GregCr	0:9be122c18509	878	uint16_t i;
GregCr	0:9be122c18509	879	uint8_t pktHeaderLen = 0;
GregCr	0:9be122c18509	880	uint32_t mic = 0;
GregCr	0:9be122c18509	881
GregCr	0:9be122c18509	882	LoRaMacBufferPktLen = 0;
GregCr	0:9be122c18509	883
GregCr	0:9be122c18509	884	NodeAckRequested = false;
GregCr	0:9be122c18509	885
GregCr	0:9be122c18509	886	if( fBuffer == NULL )
GregCr	0:9be122c18509	887	{
GregCr	0:9be122c18509	888	fBufferSize = 0;
GregCr	0:9be122c18509	889	}
GregCr	0:9be122c18509	890
GregCr	0:9be122c18509	891	LoRaMacBuffer[pktHeaderLen++] = macHdr->Value;
GregCr	0:9be122c18509	892
GregCr	0:9be122c18509	893	switch( macHdr->Bits.MType )
GregCr	0:9be122c18509	894	{
GregCr	0:9be122c18509	895	case FRAME_TYPE_JOIN_REQ:
GregCr	0:9be122c18509	896	RxWindow1Delay = JoinAcceptDelay1 - RADIO_WAKEUP_TIME;
GregCr	0:9be122c18509	897	RxWindow2Delay = JoinAcceptDelay2 - RADIO_WAKEUP_TIME;
GregCr	0:9be122c18509	898
GregCr	0:9be122c18509	899	LoRaMacBufferPktLen = pktHeaderLen;
GregCr	0:9be122c18509	900
GregCr	0:9be122c18509	901	LoRaMacMemCpy( LoRaMacAppEui, LoRaMacBuffer + LoRaMacBufferPktLen, 8 );
GregCr	0:9be122c18509	902	LoRaMacBufferPktLen += 8;
GregCr	0:9be122c18509	903	LoRaMacMemCpy( LoRaMacDevEui, LoRaMacBuffer + LoRaMacBufferPktLen, 8 );
GregCr	0:9be122c18509	904	LoRaMacBufferPktLen += 8;
GregCr	0:9be122c18509	905
GregCr	0:9be122c18509	906	LoRaMacDevNonce = Radio.Random( );
GregCr	0:9be122c18509	907
GregCr	0:9be122c18509	908	LoRaMacBuffer[LoRaMacBufferPktLen++] = LoRaMacDevNonce & 0xFF;
GregCr	0:9be122c18509	909	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( LoRaMacDevNonce >> 8 ) & 0xFF;
GregCr	0:9be122c18509	910
GregCr	0:9be122c18509	911	LoRaMacJoinComputeMic( LoRaMacBuffer, LoRaMacBufferPktLen & 0xFF, LoRaMacAppKey, &mic );
GregCr	0:9be122c18509	912
GregCr	0:9be122c18509	913	LoRaMacBuffer[LoRaMacBufferPktLen++] = mic & 0xFF;
GregCr	0:9be122c18509	914	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 8 ) & 0xFF;
GregCr	0:9be122c18509	915	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 16 ) & 0xFF;
GregCr	0:9be122c18509	916	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 24 ) & 0xFF;
GregCr	0:9be122c18509	917
GregCr	0:9be122c18509	918	break;
GregCr	0:9be122c18509	919	case FRAME_TYPE_DATA_CONFIRMED_UP:
GregCr	0:9be122c18509	920	NodeAckRequested = true;
GregCr	0:9be122c18509	921	//Intentional falltrough
GregCr	0:9be122c18509	922	case FRAME_TYPE_DATA_UNCONFIRMED_UP:
GregCr	0:9be122c18509	923	if( IsLoRaMacNetworkJoined == false )
GregCr	0:9be122c18509	924	{
GregCr	0:9be122c18509	925	return 2; // No network has been joined yet
GregCr	0:9be122c18509	926	}
GregCr	0:9be122c18509	927
GregCr	0:9be122c18509	928	RxWindow1Delay = ReceiveDelay1 - RADIO_WAKEUP_TIME;
GregCr	0:9be122c18509	929	RxWindow2Delay = ReceiveDelay2 - RADIO_WAKEUP_TIME;
GregCr	0:9be122c18509	930
GregCr	0:9be122c18509	931	if( fOpts == NULL )
GregCr	0:9be122c18509	932	{
GregCr	0:9be122c18509	933	fCtrl->Bits.FOptsLen = 0;
GregCr	0:9be122c18509	934	}
GregCr	0:9be122c18509	935
GregCr	0:9be122c18509	936	if( SrvAckRequested == true )
GregCr	0:9be122c18509	937	{
GregCr	0:9be122c18509	938	SrvAckRequested = false;
GregCr	0:9be122c18509	939	fCtrl->Bits.Ack = 1;
GregCr	0:9be122c18509	940	}
GregCr	0:9be122c18509	941
GregCr	0:9be122c18509	942	if( fCtrl->Bits.Adr == true )
GregCr	0:9be122c18509	943	{
GregCr	0:9be122c18509	944	if( ChannelsDatarate == LORAMAC_MIN_DATARATE )
GregCr	0:9be122c18509	945	{
GregCr	0:9be122c18509	946	AdrAckCounter = 0;
GregCr	0:9be122c18509	947	fCtrl->Bits.AdrAckReq = false;
GregCr	0:9be122c18509	948	}
GregCr	0:9be122c18509	949	else
GregCr	0:9be122c18509	950	{
GregCr	0:9be122c18509	951	if( AdrAckCounter > ADR_ACK_LIMIT )
GregCr	0:9be122c18509	952	{
GregCr	0:9be122c18509	953	fCtrl->Bits.AdrAckReq = true;
GregCr	0:9be122c18509	954	}
GregCr	0:9be122c18509	955	else
GregCr	0:9be122c18509	956	{
GregCr	0:9be122c18509	957	fCtrl->Bits.AdrAckReq = false;
GregCr	0:9be122c18509	958	}
GregCr	0:9be122c18509	959	if( AdrAckCounter > ( ADR_ACK_LIMIT + ADR_ACK_DELAY ) )
GregCr	0:9be122c18509	960	{
GregCr	0:9be122c18509	961	AdrAckCounter = 0;
GregCr	0:9be122c18509	962	if( ChannelsDatarate > LORAMAC_MIN_DATARATE )
GregCr	0:9be122c18509	963	{
GregCr	0:9be122c18509	964	ChannelsDatarate--;
GregCr	0:9be122c18509	965	}
GregCr	0:9be122c18509	966	else
GregCr	0:9be122c18509	967	{
GregCr	0:9be122c18509	968	// Re-enable default channels LC1, LC2, LC3
GregCr	0:9be122c18509	969	ChannelsMask = ChannelsMask \| ( LC( 1 ) + LC( 2 ) + LC( 3 ) );
GregCr	0:9be122c18509	970	}
GregCr	0:9be122c18509	971	}
GregCr	0:9be122c18509	972	}
GregCr	0:9be122c18509	973	}
GregCr	0:9be122c18509	974
GregCr	0:9be122c18509	975	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr ) & 0xFF;
GregCr	0:9be122c18509	976	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 8 ) & 0xFF;
GregCr	0:9be122c18509	977	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 16 ) & 0xFF;
GregCr	0:9be122c18509	978	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 24 ) & 0xFF;
GregCr	0:9be122c18509	979
GregCr	0:9be122c18509	980	LoRaMacBuffer[pktHeaderLen++] = fCtrl->Value;
GregCr	0:9be122c18509	981
GregCr	0:9be122c18509	982	LoRaMacBuffer[pktHeaderLen++] = UpLinkCounter & 0xFF;
GregCr	0:9be122c18509	983	LoRaMacBuffer[pktHeaderLen++] = ( UpLinkCounter >> 8 ) & 0xFF;
GregCr	0:9be122c18509	984
GregCr	0:9be122c18509	985	if( fOpts != NULL )
GregCr	0:9be122c18509	986	{
GregCr	0:9be122c18509	987	for( i = 0; i < fCtrl->Bits.FOptsLen; i++ )
GregCr	0:9be122c18509	988	{
GregCr	0:9be122c18509	989	LoRaMacBuffer[pktHeaderLen++] = fOpts[i];
GregCr	0:9be122c18509	990	}
GregCr	0:9be122c18509	991	}
GregCr	0:9be122c18509	992	if( ( MacCommandsBufferIndex + fCtrl->Bits.FOptsLen ) <= 15 )
GregCr	0:9be122c18509	993	{
GregCr	0:9be122c18509	994	if( MacCommandsInNextTx == true )
GregCr	0:9be122c18509	995	{
GregCr	0:9be122c18509	996	fCtrl->Bits.FOptsLen += MacCommandsBufferIndex;
GregCr	0:9be122c18509	997
GregCr	0:9be122c18509	998	// Update FCtrl field with new value of OptionsLength
GregCr	0:9be122c18509	999	LoRaMacBuffer[0x05] = fCtrl->Value;
GregCr	0:9be122c18509	1000	for( i = 0; i < MacCommandsBufferIndex; i++ )
GregCr	0:9be122c18509	1001	{
GregCr	0:9be122c18509	1002	LoRaMacBuffer[pktHeaderLen++] = MacCommandsBuffer[i];
GregCr	0:9be122c18509	1003	}
GregCr	0:9be122c18509	1004	}
GregCr	0:9be122c18509	1005	MacCommandsInNextTx = false;
GregCr	0:9be122c18509	1006	MacCommandsBufferIndex = 0;
GregCr	0:9be122c18509	1007	}
GregCr	0:9be122c18509	1008
GregCr	0:9be122c18509	1009	if( ( pktHeaderLen + fBufferSize ) > LORAMAC_PHY_MAXPAYLOAD )
GregCr	0:9be122c18509	1010	{
GregCr	0:9be122c18509	1011	return 3;
GregCr	0:9be122c18509	1012	}
GregCr	0:9be122c18509	1013
GregCr	0:9be122c18509	1014	if( fBuffer != NULL )
GregCr	0:9be122c18509	1015	{
GregCr	0:9be122c18509	1016	LoRaMacBuffer[pktHeaderLen] = fPort;
GregCr	0:9be122c18509	1017
GregCr	0:9be122c18509	1018	if( fPort == 0 )
GregCr	0:9be122c18509	1019	{
GregCr	0:9be122c18509	1020	LoRaMacPayloadEncrypt( (uint8_t*)fBuffer, fBufferSize, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, LoRaMacPayload );
GregCr	0:9be122c18509	1021	}
GregCr	0:9be122c18509	1022	else
GregCr	0:9be122c18509	1023	{
GregCr	0:9be122c18509	1024	LoRaMacPayloadEncrypt( (uint8_t*)fBuffer, fBufferSize, LoRaMacAppSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, LoRaMacPayload );
GregCr	0:9be122c18509	1025	}
GregCr	0:9be122c18509	1026	LoRaMacMemCpy( LoRaMacPayload, LoRaMacBuffer + pktHeaderLen + 1, fBufferSize );
GregCr	0:9be122c18509	1027	}
GregCr	0:9be122c18509	1028	LoRaMacBufferPktLen = pktHeaderLen + 1 + fBufferSize;
GregCr	0:9be122c18509	1029
GregCr	0:9be122c18509	1030	LoRaMacComputeMic( LoRaMacBuffer, LoRaMacBufferPktLen, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, &mic );
GregCr	0:9be122c18509	1031
GregCr	0:9be122c18509	1032	if( ( LoRaMacBufferPktLen + LORAMAC_MFR_LEN ) > LORAMAC_PHY_MAXPAYLOAD )
GregCr	0:9be122c18509	1033	{
GregCr	0:9be122c18509	1034	return 3;
GregCr	0:9be122c18509	1035	}
GregCr	0:9be122c18509	1036	LoRaMacBuffer[LoRaMacBufferPktLen + 0] = mic & 0xFF;
GregCr	0:9be122c18509	1037	LoRaMacBuffer[LoRaMacBufferPktLen + 1] = ( mic >> 8 ) & 0xFF;
GregCr	0:9be122c18509	1038	LoRaMacBuffer[LoRaMacBufferPktLen + 2] = ( mic >> 16 ) & 0xFF;
GregCr	0:9be122c18509	1039	LoRaMacBuffer[LoRaMacBufferPktLen + 3] = ( mic >> 24 ) & 0xFF;
GregCr	0:9be122c18509	1040
GregCr	0:9be122c18509	1041	LoRaMacBufferPktLen += LORAMAC_MFR_LEN;
GregCr	0:9be122c18509	1042	break;
GregCr	0:9be122c18509	1043	default:
GregCr	0:9be122c18509	1044	return 4;
GregCr	0:9be122c18509	1045	}
GregCr	0:9be122c18509	1046
GregCr	0:9be122c18509	1047	return 0;
GregCr	0:9be122c18509	1048	}
GregCr	0:9be122c18509	1049
GregCr	0:9be122c18509	1050	uint8_t LoRaMacSendFrameOnChannel( ChannelParams_t channel )
GregCr	0:9be122c18509	1051	{
GregCr	0:9be122c18509	1052	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ERROR;
GregCr	0:9be122c18509	1053	LoRaMacEventInfo.TxDatarate = Datarates[ChannelsDatarate];
GregCr	0:9be122c18509	1054
GregCr	0:9be122c18509	1055	Radio.SetChannel( channel.Frequency );
GregCr	0:9be122c18509	1056
GregCr	0:9be122c18509	1057	if( ChannelsDatarate == DR_7 )
GregCr	0:9be122c18509	1058	{ // High Speed FSK channel
GregCr	0:9be122c18509	1059	Radio.SetTxConfig( MODEM_FSK, TxPowers[ChannelsTxPower], 25e3, 0, Datarates[ChannelsDatarate] * 1e3, 0, 5, false, true, 0, 0, false, 3e6 );
GregCr	0:9be122c18509	1060	TxTimeOnAir = Radio.TimeOnAir( MODEM_FSK, LoRaMacBufferPktLen );
GregCr	0:9be122c18509	1061	}
GregCr	0:9be122c18509	1062	else if( ChannelsDatarate == DR_6 )
GregCr	0:9be122c18509	1063	{ // High speed LoRa channel
GregCr	0:9be122c18509	1064	Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 1, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 );
GregCr	0:9be122c18509	1065	TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
GregCr	0:9be122c18509	1066	}
GregCr	0:9be122c18509	1067	else
GregCr	0:9be122c18509	1068	{ // Normal LoRa channel
GregCr	0:9be122c18509	1069	Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 0, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 );
GregCr	0:9be122c18509	1070	TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
GregCr	0:9be122c18509	1071	}
GregCr	0:9be122c18509	1072
GregCr	0:9be122c18509	1073	if( MaxDCycle == 255 )
GregCr	0:9be122c18509	1074	{
GregCr	0:9be122c18509	1075	return 6;
GregCr	0:9be122c18509	1076	}
GregCr	0:9be122c18509	1077	if( MaxDCycle == 0 )
GregCr	0:9be122c18509	1078	{
GregCr	0:9be122c18509	1079	AggregatedTimeOff = 0;
GregCr	0:9be122c18509	1080	}
GregCr	0:9be122c18509	1081
GregCr	0:9be122c18509	1082	LoRaMacState \|= MAC_TX_RUNNING;
GregCr	0:9be122c18509	1083	// Starts the MAC layer status check timer
GregCr	0:9be122c18509	1084	MacStateCheckTimer.attach_us( &OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT );
GregCr	0:9be122c18509	1085
GregCr	0:9be122c18509	1086	if( MAX( Bands[channel.Band].TimeOff, AggregatedTimeOff ) > ( TimerGetCurrentTime( ) ) )
GregCr	0:9be122c18509	1087	{
GregCr	0:9be122c18509	1088	// Schedule transmission
GregCr	0:9be122c18509	1089	TxDelayedTimer.attach_us( &OnTxDelayedTimerEvent, MAX( Bands[channel.Band].TimeOff, AggregatedTimeOff ) );
GregCr	0:9be122c18509	1090	}
GregCr	0:9be122c18509	1091	else
GregCr	0:9be122c18509	1092	{
GregCr	0:9be122c18509	1093	// Send now
GregCr	0:9be122c18509	1094	Radio.Send( LoRaMacBuffer, LoRaMacBufferPktLen );
GregCr	0:9be122c18509	1095	}
GregCr	0:9be122c18509	1096	return 0;
GregCr	0:9be122c18509	1097	}
GregCr	0:9be122c18509	1098
GregCr	0:9be122c18509	1099
GregCr	0:9be122c18509	1100	void OnTxDelayedTimerEvent( void )
GregCr	0:9be122c18509	1101	{
GregCr	2:737ad7fbc97e	1102	TxDelayedTimer.detach( );
GregCr	0:9be122c18509	1103	Radio.Send( LoRaMacBuffer, LoRaMacBufferPktLen );
GregCr	0:9be122c18509	1104	}
GregCr	0:9be122c18509	1105
GregCr	0:9be122c18509	1106	uint8_t LoRaMacSendOnChannel( ChannelParams_t channel, LoRaMacHeader_t macHdr, LoRaMacFrameCtrl_t fCtrl, uint8_t fOpts, uint8_t fPort, void fBuffer, uint16_t fBufferSize )
GregCr	0:9be122c18509	1107	{
GregCr	0:9be122c18509	1108	uint8_t status = 0;
GregCr	0:9be122c18509	1109
GregCr	0:9be122c18509	1110	if( ( LoRaMacState & MAC_TX_RUNNING ) == MAC_TX_RUNNING )
GregCr	0:9be122c18509	1111	{
GregCr	0:9be122c18509	1112	return 1; // MAC is busy transmitting a previous frame
GregCr	0:9be122c18509	1113	}
GregCr	0:9be122c18509	1114
GregCr	0:9be122c18509	1115	status = LoRaMacPrepareFrame( channel, macHdr, fCtrl, fOpts, fPort, fBuffer, fBufferSize );
GregCr	0:9be122c18509	1116	if( status != 0 )
GregCr	0:9be122c18509	1117	{
GregCr	0:9be122c18509	1118	return status;
GregCr	0:9be122c18509	1119	}
GregCr	0:9be122c18509	1120
GregCr	0:9be122c18509	1121	LoRaMacEventInfo.TxNbRetries = 0;
GregCr	0:9be122c18509	1122	LoRaMacEventInfo.TxAckReceived = false;
GregCr	0:9be122c18509	1123
GregCr	0:9be122c18509	1124	return LoRaMacSendFrameOnChannel( channel );
GregCr	0:9be122c18509	1125	}
GregCr	0:9be122c18509	1126
GregCr	0:9be122c18509	1127	static void LoRaMacProcessMacCommands( uint8_t *payload, uint8_t macIndex, uint8_t commandsSize )
GregCr	0:9be122c18509	1128	{
GregCr	0:9be122c18509	1129	while( macIndex < commandsSize )
GregCr	0:9be122c18509	1130	{
GregCr	0:9be122c18509	1131	// Decode Frame MAC commands
GregCr	0:9be122c18509	1132	switch( payload[macIndex++] )
GregCr	0:9be122c18509	1133	{
GregCr	0:9be122c18509	1134	case SRV_MAC_LINK_CHECK_ANS:
GregCr	0:9be122c18509	1135	LoRaMacEventFlags.Bits.LinkCheck = 1;
GregCr	0:9be122c18509	1136	LoRaMacEventInfo.DemodMargin = payload[macIndex++];
GregCr	0:9be122c18509	1137	LoRaMacEventInfo.NbGateways = payload[macIndex++];
GregCr	0:9be122c18509	1138	break;
GregCr	0:9be122c18509	1139	case SRV_MAC_LINK_ADR_REQ:
GregCr	0:9be122c18509	1140	{
GregCr	0:9be122c18509	1141	uint8_t i;
GregCr	0:9be122c18509	1142	uint8_t status = 0x07;
GregCr	0:9be122c18509	1143	uint16_t chMask = 0;
GregCr	0:9be122c18509	1144	int8_t txPower = 0;
GregCr	0:9be122c18509	1145	int8_t datarate = 0;
GregCr	0:9be122c18509	1146	uint8_t nbRep = 0;
GregCr	0:9be122c18509	1147	uint8_t chMaskCntl = 0;
GregCr	0:9be122c18509	1148
GregCr	0:9be122c18509	1149	datarate = payload[macIndex++];
GregCr	0:9be122c18509	1150	txPower = datarate & 0x0F;
GregCr	0:9be122c18509	1151	datarate = ( datarate >> 4 ) & 0x0F;
GregCr	0:9be122c18509	1152
GregCr	0:9be122c18509	1153	if( ( AdrCtrlOn == false ) &&
GregCr	0:9be122c18509	1154	( ( ChannelsDatarate != datarate ) \|\| ( ChannelsTxPower != txPower ) ) )
GregCr	0:9be122c18509	1155	{ // ADR disabled don't handle ADR requests if server tries to change datarate or txpower
GregCr	0:9be122c18509	1156	// Answer the server with fail status
GregCr	0:9be122c18509	1157	// Power ACK = 0
GregCr	0:9be122c18509	1158	// Data rate ACK = 0
GregCr	0:9be122c18509	1159	// Channel mask = 0
GregCr	0:9be122c18509	1160	AddMacCommand( MOTE_MAC_LINK_ADR_ANS, 0, 0 );
GregCr	0:9be122c18509	1161	break;
GregCr	0:9be122c18509	1162	}
GregCr	0:9be122c18509	1163	chMask = payload[macIndex++];
GregCr	0:9be122c18509	1164	chMask \|= payload[macIndex++] << 8;
GregCr	0:9be122c18509	1165
GregCr	0:9be122c18509	1166	nbRep = payload[macIndex++];
GregCr	0:9be122c18509	1167	chMaskCntl = ( nbRep >> 4 ) & 0x07;
GregCr	0:9be122c18509	1168	nbRep &= 0x0F;
GregCr	0:9be122c18509	1169	if( nbRep == 0 )
GregCr	0:9be122c18509	1170	{
GregCr	0:9be122c18509	1171	nbRep = 1;
GregCr	0:9be122c18509	1172	}
GregCr	0:9be122c18509	1173	if( ( chMaskCntl == 0 ) && ( chMask == 0 ) )
GregCr	0:9be122c18509	1174	{
GregCr	0:9be122c18509	1175	status &= 0xFE; // Channel mask KO
GregCr	0:9be122c18509	1176	}
GregCr	0:9be122c18509	1177	else
GregCr	0:9be122c18509	1178	{
GregCr	0:9be122c18509	1179	for( i = 0; i < LORA_MAX_NB_CHANNELS; i++ )
GregCr	0:9be122c18509	1180	{
GregCr	0:9be122c18509	1181	if( chMaskCntl == 6 )
GregCr	0:9be122c18509	1182	{
GregCr	0:9be122c18509	1183	if( Channels[i].Frequency != 0 )
GregCr	0:9be122c18509	1184	{
GregCr	0:9be122c18509	1185	chMask \|= 1 << i;
GregCr	0:9be122c18509	1186	}
GregCr	0:9be122c18509	1187	}
GregCr	0:9be122c18509	1188	else
GregCr	0:9be122c18509	1189	{
GregCr	0:9be122c18509	1190	if( ( ( chMask & ( 1 << i ) ) != 0 ) &&
GregCr	0:9be122c18509	1191	( Channels[i].Frequency == 0 ) )
GregCr	0:9be122c18509	1192	{// Trying to enable an undefined channel
GregCr	0:9be122c18509	1193	status &= 0xFE; // Channel mask KO
GregCr	0:9be122c18509	1194	}
GregCr	0:9be122c18509	1195	}
GregCr	0:9be122c18509	1196	}
GregCr	0:9be122c18509	1197	}
GregCr	0:9be122c18509	1198	if( ( ( datarate < LORAMAC_MIN_DATARATE ) \|\|
GregCr	0:9be122c18509	1199	( datarate > LORAMAC_MAX_DATARATE ) ) == true )
GregCr	0:9be122c18509	1200	{
GregCr	0:9be122c18509	1201	status &= 0xFD; // Datarate KO
GregCr	0:9be122c18509	1202	}
GregCr	0:9be122c18509	1203
GregCr	0:9be122c18509	1204	//
GregCr	0:9be122c18509	1205	// Remark MaxTxPower = 0 and MinTxPower = 5
GregCr	0:9be122c18509	1206	//
GregCr	0:9be122c18509	1207	if( ( ( LORAMAC_MAX_TX_POWER <= txPower ) &&
GregCr	0:9be122c18509	1208	( txPower <= LORAMAC_MIN_TX_POWER ) ) == false )
GregCr	0:9be122c18509	1209	{
GregCr	0:9be122c18509	1210	status &= 0xFB; // TxPower KO
GregCr	0:9be122c18509	1211	}
GregCr	0:9be122c18509	1212	if( ( status & 0x07 ) == 0x07 )
GregCr	0:9be122c18509	1213	{
GregCr	0:9be122c18509	1214	ChannelsDatarate = datarate;
GregCr	0:9be122c18509	1215	ChannelsTxPower = txPower;
GregCr	0:9be122c18509	1216	ChannelsMask = chMask;
GregCr	0:9be122c18509	1217	ChannelsNbRep = nbRep;
GregCr	0:9be122c18509	1218	}
GregCr	0:9be122c18509	1219	AddMacCommand( MOTE_MAC_LINK_ADR_ANS, status, 0 );
GregCr	0:9be122c18509	1220	}
GregCr	0:9be122c18509	1221	break;
GregCr	0:9be122c18509	1222	case SRV_MAC_DUTY_CYCLE_REQ:
GregCr	0:9be122c18509	1223	MaxDCycle = payload[macIndex++];
GregCr	0:9be122c18509	1224	AggregatedDCycle = 1 << MaxDCycle;
GregCr	0:9be122c18509	1225	AddMacCommand( MOTE_MAC_DUTY_CYCLE_ANS, 0, 0 );
GregCr	0:9be122c18509	1226	break;
GregCr	0:9be122c18509	1227	case SRV_MAC_RX_PARAM_SETUP_REQ:
GregCr	0:9be122c18509	1228	{
GregCr	0:9be122c18509	1229	uint8_t status = 0x07;
GregCr	0:9be122c18509	1230	int8_t datarate = 0;
GregCr	0:9be122c18509	1231	int8_t drOffset = 0;
GregCr	0:9be122c18509	1232	uint32_t freq = 0;
GregCr	0:9be122c18509	1233
GregCr	0:9be122c18509	1234	drOffset = payload[macIndex++];
GregCr	0:9be122c18509	1235	datarate = drOffset & 0x0F;
GregCr	0:9be122c18509	1236	drOffset = ( drOffset >> 4 ) & 0x0F;
GregCr	0:9be122c18509	1237
GregCr	0:9be122c18509	1238	freq = payload[macIndex++];
GregCr	0:9be122c18509	1239	freq \|= payload[macIndex++] << 8;
GregCr	0:9be122c18509	1240	freq \|= payload[macIndex++] << 16;
GregCr	0:9be122c18509	1241	freq *= 100;
GregCr	0:9be122c18509	1242
GregCr	0:9be122c18509	1243	if( Radio.CheckRfFrequency( freq ) == false )
GregCr	0:9be122c18509	1244	{
GregCr	0:9be122c18509	1245	status &= 0xFE; // Channel frequency KO
GregCr	0:9be122c18509	1246	}
GregCr	0:9be122c18509	1247
GregCr	0:9be122c18509	1248	if( ( ( datarate < LORAMAC_MIN_DATARATE ) \|\|
GregCr	0:9be122c18509	1249	( datarate > LORAMAC_MAX_DATARATE ) ) == true )
GregCr	0:9be122c18509	1250	{
GregCr	0:9be122c18509	1251	status &= 0xFD; // Datarate KO
GregCr	0:9be122c18509	1252	}
GregCr	0:9be122c18509	1253
GregCr	0:9be122c18509	1254	if( ( ( drOffset < 0 ) \|\| ( drOffset > 5 ) ) == true )
GregCr	0:9be122c18509	1255	{
GregCr	0:9be122c18509	1256	status &= 0xFB; // Rx1DrOffset range KO
GregCr	0:9be122c18509	1257	}
GregCr	0:9be122c18509	1258
GregCr	0:9be122c18509	1259	if( ( status & 0x07 ) == 0x07 )
GregCr	0:9be122c18509	1260	{
GregCr	0:9be122c18509	1261	Rx2Channel.Datarate = datarate;
GregCr	0:9be122c18509	1262	Rx2Channel.Frequency = freq;
GregCr	0:9be122c18509	1263	Rx1DrOffset = drOffset;
GregCr	0:9be122c18509	1264	}
GregCr	0:9be122c18509	1265	AddMacCommand( MOTE_MAC_RX_PARAM_SETUP_ANS, status, 0 );
GregCr	0:9be122c18509	1266	}
GregCr	0:9be122c18509	1267	break;
GregCr	0:9be122c18509	1268	case SRV_MAC_DEV_STATUS_REQ:
GregCr	0:9be122c18509	1269	AddMacCommand( MOTE_MAC_DEV_STATUS_ANS, BoardMeasureBatterieLevel( ), LoRaMacEventInfo.RxSnr );
GregCr	0:9be122c18509	1270	break;
GregCr	0:9be122c18509	1271	case SRV_MAC_NEW_CHANNEL_REQ:
GregCr	0:9be122c18509	1272	{
GregCr	0:9be122c18509	1273	uint8_t status = 0x03;
GregCr	0:9be122c18509	1274	int8_t channelIndex = 0;
GregCr	0:9be122c18509	1275	ChannelParams_t chParam;
GregCr	0:9be122c18509	1276
GregCr	0:9be122c18509	1277	channelIndex = payload[macIndex++];
GregCr	0:9be122c18509	1278	chParam.Frequency = payload[macIndex++];
GregCr	0:9be122c18509	1279	chParam.Frequency \|= payload[macIndex++] << 8;
GregCr	0:9be122c18509	1280	chParam.Frequency \|= payload[macIndex++] << 16;
GregCr	0:9be122c18509	1281	chParam.Frequency *= 100;
GregCr	0:9be122c18509	1282	chParam.DrRange.Value = payload[macIndex++];
GregCr	0:9be122c18509	1283
GregCr	0:9be122c18509	1284	if( ( channelIndex < 3 ) \|\| ( channelIndex > LORA_MAX_NB_CHANNELS ) )
GregCr	0:9be122c18509	1285	{
GregCr	0:9be122c18509	1286	status &= 0xFE; // Channel frequency KO
GregCr	0:9be122c18509	1287	}
GregCr	0:9be122c18509	1288
GregCr	0:9be122c18509	1289	if( Radio.CheckRfFrequency( chParam.Frequency ) == false )
GregCr	0:9be122c18509	1290	{
GregCr	0:9be122c18509	1291	status &= 0xFE; // Channel frequency KO
GregCr	0:9be122c18509	1292	}
GregCr	0:9be122c18509	1293
GregCr	0:9be122c18509	1294	if( ( chParam.DrRange.Fields.Min > chParam.DrRange.Fields.Max ) \|\|
GregCr	0:9be122c18509	1295	( ( ( LORAMAC_MIN_DATARATE <= chParam.DrRange.Fields.Min ) &&
GregCr	0:9be122c18509	1296	( chParam.DrRange.Fields.Min <= LORAMAC_MAX_DATARATE ) ) == false ) \|\|
GregCr	0:9be122c18509	1297	( ( ( LORAMAC_MIN_DATARATE <= chParam.DrRange.Fields.Max ) &&
GregCr	0:9be122c18509	1298	( chParam.DrRange.Fields.Max <= LORAMAC_MAX_DATARATE ) ) == false ) )
GregCr	0:9be122c18509	1299	{
GregCr	0:9be122c18509	1300	status &= 0xFD; // Datarate range KO
GregCr	0:9be122c18509	1301	}
GregCr	0:9be122c18509	1302	if( ( status & 0x03 ) == 0x03 )
GregCr	0:9be122c18509	1303	{
GregCr	0:9be122c18509	1304	LoRaMacSetChannel( channelIndex, chParam );
GregCr	0:9be122c18509	1305	}
GregCr	0:9be122c18509	1306	AddMacCommand( MOTE_MAC_NEW_CHANNEL_ANS, status, 0 );
GregCr	0:9be122c18509	1307	}
GregCr	0:9be122c18509	1308	break;
GregCr	0:9be122c18509	1309	case SRV_MAC_RX_TIMING_SETUP_REQ:
GregCr	0:9be122c18509	1310	{
GregCr	0:9be122c18509	1311	uint8_t delay = payload[macIndex++] & 0x0F;
GregCr	0:9be122c18509	1312
GregCr	0:9be122c18509	1313	if( delay == 0 )
GregCr	0:9be122c18509	1314	{
GregCr	0:9be122c18509	1315	delay++;
GregCr	0:9be122c18509	1316	}
GregCr	0:9be122c18509	1317	ReceiveDelay1 = delay * 1e6;
GregCr	0:9be122c18509	1318	ReceiveDelay2 = ReceiveDelay1 + 1e6;
GregCr	0:9be122c18509	1319	AddMacCommand( MOTE_MAC_RX_TIMING_SETUP_ANS, 0, 0 );
GregCr	0:9be122c18509	1320	}
GregCr	0:9be122c18509	1321	break;
GregCr	0:9be122c18509	1322	default:
GregCr	0:9be122c18509	1323	// Unknown command. ABORT MAC commands processing
GregCr	0:9be122c18509	1324	return;
GregCr	0:9be122c18509	1325	}
GregCr	0:9be122c18509	1326	}
GregCr	0:9be122c18509	1327	}
GregCr	0:9be122c18509	1328
GregCr	0:9be122c18509	1329	/*!
GregCr	0:9be122c18509	1330	* Function to be executed on Tx Done event
GregCr	0:9be122c18509	1331	*/
GregCr	0:9be122c18509	1332	static void OnRadioTxDone( void )
GregCr	0:9be122c18509	1333	{
GregCr	0:9be122c18509	1334	uint64_t curTime = TimerGetCurrentTime( );
GregCr	0:9be122c18509	1335
GregCr	0:9be122c18509	1336	if( LoRaMacDeviceClass != CLASS_C )
GregCr	0:9be122c18509	1337	{
GregCr	0:9be122c18509	1338	Radio.Sleep( );
GregCr	0:9be122c18509	1339	}
GregCr	0:9be122c18509	1340	else
GregCr	0:9be122c18509	1341	{
GregCr	0:9be122c18509	1342	OnRxWindow2TimerEvent( );
GregCr	0:9be122c18509	1343	}
GregCr	0:9be122c18509	1344
GregCr	0:9be122c18509	1345	// Update Band Time OFF
GregCr	0:9be122c18509	1346	Bands[Channels[Channel].Band].LastTxDoneTime = curTime;
GregCr	0:9be122c18509	1347	if( DutyCycleOn == true )
GregCr	0:9be122c18509	1348	{
GregCr	0:9be122c18509	1349	Bands[Channels[Channel].Band].TimeOff = TxTimeOnAir * Bands[Channels[Channel].Band].DCycle - TxTimeOnAir;
GregCr	0:9be122c18509	1350	}
GregCr	0:9be122c18509	1351	else
GregCr	0:9be122c18509	1352	{
GregCr	0:9be122c18509	1353	Bands[Channels[Channel].Band].TimeOff = 0;
GregCr	0:9be122c18509	1354	}
GregCr	0:9be122c18509	1355	// Update Agregated Time OFF
GregCr	0:9be122c18509	1356	AggregatedLastTxDoneTime = curTime;
GregCr	0:9be122c18509	1357	AggregatedTimeOff = AggregatedTimeOff + ( TxTimeOnAir * AggregatedDCycle - TxTimeOnAir );
GregCr	0:9be122c18509	1358
GregCr	0:9be122c18509	1359	if( IsRxWindowsEnabled == true )
GregCr	0:9be122c18509	1360	{
GregCr	0:9be122c18509	1361	RxWindowTimer1.attach_us( &OnRxWindow1TimerEvent, RxWindow1Delay );
GregCr	0:9be122c18509	1362
GregCr	0:9be122c18509	1363	if( LoRaMacDeviceClass != CLASS_C )
GregCr	0:9be122c18509	1364	{
GregCr	0:9be122c18509	1365	RxWindowTimer2.attach_us( &OnRxWindow2TimerEvent, RxWindow2Delay );
GregCr	0:9be122c18509	1366	}
GregCr	0:9be122c18509	1367	}
GregCr	0:9be122c18509	1368	else
GregCr	0:9be122c18509	1369	{
GregCr	0:9be122c18509	1370	LoRaMacEventFlags.Bits.Tx = 1;
GregCr	0:9be122c18509	1371	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
GregCr	0:9be122c18509	1372	}
GregCr	0:9be122c18509	1373
GregCr	0:9be122c18509	1374	if( NodeAckRequested == false )
GregCr	0:9be122c18509	1375	{
GregCr	0:9be122c18509	1376	ChannelsNbRepCounter++;
GregCr	0:9be122c18509	1377	}
GregCr	0:9be122c18509	1378	}
GregCr	0:9be122c18509	1379
GregCr	0:9be122c18509	1380	/*!
GregCr	0:9be122c18509	1381	* Function to be executed on Rx Done event
GregCr	0:9be122c18509	1382	*/
GregCr	0:9be122c18509	1383	static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
GregCr	0:9be122c18509	1384	{
GregCr	0:9be122c18509	1385	LoRaMacHeader_t macHdr;
GregCr	0:9be122c18509	1386	LoRaMacFrameCtrl_t fCtrl;
GregCr	0:9be122c18509	1387
GregCr	0:9be122c18509	1388	uint8_t pktHeaderLen = 0;
GregCr	0:9be122c18509	1389	uint32_t address = 0;
GregCr	0:9be122c18509	1390	uint16_t sequenceCounter = 0;
GregCr	0:9be122c18509	1391	int32_t sequence = 0;
GregCr	0:9be122c18509	1392	uint8_t appPayloadStartIndex = 0;
GregCr	0:9be122c18509	1393	uint8_t port = 0xFF;
GregCr	0:9be122c18509	1394	uint8_t frameLen = 0;
GregCr	0:9be122c18509	1395	uint32_t mic = 0;
GregCr	0:9be122c18509	1396	uint32_t micRx = 0;
GregCr	0:9be122c18509	1397
GregCr	0:9be122c18509	1398	MulticastParams_t *curMulticastParams = NULL;
GregCr	0:9be122c18509	1399	uint8_t *nwkSKey = LoRaMacNwkSKey;
GregCr	0:9be122c18509	1400	uint8_t *appSKey = LoRaMacAppSKey;
GregCr	0:9be122c18509	1401	uint32_t downLinkCounter = 0;
GregCr	0:9be122c18509	1402
GregCr	0:9be122c18509	1403	bool isMicOk = false;
GregCr	0:9be122c18509	1404
GregCr	0:9be122c18509	1405	if( LoRaMacDeviceClass != CLASS_C )
GregCr	0:9be122c18509	1406	{
GregCr	0:9be122c18509	1407	Radio.Sleep( );
GregCr	0:9be122c18509	1408	}
GregCr	0:9be122c18509	1409	else
GregCr	0:9be122c18509	1410	{
GregCr	0:9be122c18509	1411	if( LoRaMacEventFlags.Bits.RxSlot == 0 )
GregCr	0:9be122c18509	1412	{
GregCr	0:9be122c18509	1413	OnRxWindow2TimerEvent( );
GregCr	0:9be122c18509	1414	}
GregCr	0:9be122c18509	1415	}
GregCr	2:737ad7fbc97e	1416	RxWindowTimer2.detach( ); // Timer is removed anyway in functions above
GregCr	0:9be122c18509	1417
GregCr	0:9be122c18509	1418	macHdr.Value = payload[pktHeaderLen++];
GregCr	0:9be122c18509	1419
GregCr	0:9be122c18509	1420	switch( macHdr.Bits.MType )
GregCr	0:9be122c18509	1421	{
GregCr	0:9be122c18509	1422	case FRAME_TYPE_JOIN_ACCEPT:
GregCr	0:9be122c18509	1423	if( IsLoRaMacNetworkJoined == true )
GregCr	0:9be122c18509	1424	{
GregCr	0:9be122c18509	1425	break;
GregCr	0:9be122c18509	1426	}
GregCr	0:9be122c18509	1427	LoRaMacJoinDecrypt( payload + 1, size - 1, LoRaMacAppKey, LoRaMacRxPayload + 1 );
GregCr	0:9be122c18509	1428
GregCr	0:9be122c18509	1429	LoRaMacRxPayload[0] = macHdr.Value;
GregCr	0:9be122c18509	1430
GregCr	0:9be122c18509	1431	LoRaMacJoinComputeMic( LoRaMacRxPayload, size - LORAMAC_MFR_LEN, LoRaMacAppKey, &mic );
GregCr	0:9be122c18509	1432
GregCr	0:9be122c18509	1433	micRx \|= LoRaMacRxPayload[size - LORAMAC_MFR_LEN];
GregCr	0:9be122c18509	1434	micRx \|= ( LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 1] << 8 );
GregCr	0:9be122c18509	1435	micRx \|= ( LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 2] << 16 );
GregCr	0:9be122c18509	1436	micRx \|= ( LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 3] << 24 );
GregCr	0:9be122c18509	1437
GregCr	0:9be122c18509	1438	if( micRx == mic )
GregCr	0:9be122c18509	1439	{
GregCr	0:9be122c18509	1440	LoRaMacEventFlags.Bits.Rx = 1;
GregCr	0:9be122c18509	1441	LoRaMacEventInfo.RxSnr = snr;
GregCr	0:9be122c18509	1442	LoRaMacEventInfo.RxRssi = rssi;
GregCr	0:9be122c18509	1443
GregCr	0:9be122c18509	1444	LoRaMacJoinComputeSKeys( LoRaMacAppKey, LoRaMacRxPayload + 1, LoRaMacDevNonce, LoRaMacNwkSKey, LoRaMacAppSKey );
GregCr	0:9be122c18509	1445
GregCr	0:9be122c18509	1446	LoRaMacNetID = LoRaMacRxPayload[4];
GregCr	0:9be122c18509	1447	LoRaMacNetID \|= ( LoRaMacRxPayload[5] << 8 );
GregCr	0:9be122c18509	1448	LoRaMacNetID \|= ( LoRaMacRxPayload[6] << 16 );
GregCr	0:9be122c18509	1449
GregCr	0:9be122c18509	1450	LoRaMacDevAddr = LoRaMacRxPayload[7];
GregCr	0:9be122c18509	1451	LoRaMacDevAddr \|= ( LoRaMacRxPayload[8] << 8 );
GregCr	0:9be122c18509	1452	LoRaMacDevAddr \|= ( LoRaMacRxPayload[9] << 16 );
GregCr	0:9be122c18509	1453	LoRaMacDevAddr \|= ( LoRaMacRxPayload[10] << 24 );
GregCr	0:9be122c18509	1454
GregCr	0:9be122c18509	1455	// DLSettings
GregCr	0:9be122c18509	1456	Rx1DrOffset = ( LoRaMacRxPayload[11] >> 4 ) & 0x07;
GregCr	0:9be122c18509	1457	Rx2Channel.Datarate = LoRaMacRxPayload[11] & 0x0F;
GregCr	0:9be122c18509	1458
GregCr	0:9be122c18509	1459	// RxDelay
GregCr	0:9be122c18509	1460	ReceiveDelay1 = ( LoRaMacRxPayload[12] & 0x0F );
GregCr	0:9be122c18509	1461	if( ReceiveDelay1 == 0 )
GregCr	0:9be122c18509	1462	{
GregCr	0:9be122c18509	1463	ReceiveDelay1 = 1;
GregCr	0:9be122c18509	1464	}
GregCr	0:9be122c18509	1465	ReceiveDelay1 *= 1e6;
GregCr	0:9be122c18509	1466	ReceiveDelay2 = ReceiveDelay1 + 1e6;
GregCr	0:9be122c18509	1467
GregCr	0:9be122c18509	1468	//CFList
GregCr	0:9be122c18509	1469	if( ( size - 1 ) > 16 )
GregCr	0:9be122c18509	1470	{
GregCr	0:9be122c18509	1471	ChannelParams_t param;
GregCr	0:9be122c18509	1472	param.DrRange.Value = ( DR_5 << 4 ) \| DR_0;
GregCr	0:9be122c18509	1473
GregCr	0:9be122c18509	1474	for( uint8_t i = 3, j = 0; i < ( 5 + 3 ); i++, j += 3 )
GregCr	0:9be122c18509	1475	{
GregCr	0:9be122c18509	1476	param.Frequency = ( LoRaMacRxPayload[13 + j] \| ( LoRaMacRxPayload[14 + j] << 8 ) \| ( LoRaMacRxPayload[15 + j] << 16 ) ) * 100;
GregCr	0:9be122c18509	1477	LoRaMacSetChannel( i, param );
GregCr	0:9be122c18509	1478	}
GregCr	0:9be122c18509	1479	}
GregCr	0:9be122c18509	1480
GregCr	0:9be122c18509	1481	LoRaMacEventFlags.Bits.JoinAccept = 1;
GregCr	0:9be122c18509	1482	IsLoRaMacNetworkJoined = true;
GregCr	0:9be122c18509	1483	ChannelsDatarate = ChannelsDefaultDatarate;
GregCr	0:9be122c18509	1484	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
GregCr	0:9be122c18509	1485	}
GregCr	0:9be122c18509	1486	else
GregCr	0:9be122c18509	1487	{
GregCr	0:9be122c18509	1488	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL;
GregCr	0:9be122c18509	1489	}
GregCr	0:9be122c18509	1490
GregCr	0:9be122c18509	1491	LoRaMacEventFlags.Bits.Tx = 1;
GregCr	0:9be122c18509	1492	break;
GregCr	0:9be122c18509	1493	case FRAME_TYPE_DATA_CONFIRMED_DOWN:
GregCr	0:9be122c18509	1494	case FRAME_TYPE_DATA_UNCONFIRMED_DOWN:
GregCr	0:9be122c18509	1495	{
GregCr	0:9be122c18509	1496	address = payload[pktHeaderLen++];
GregCr	0:9be122c18509	1497	address \|= ( payload[pktHeaderLen++] << 8 );
GregCr	0:9be122c18509	1498	address \|= ( payload[pktHeaderLen++] << 16 );
GregCr	0:9be122c18509	1499	address \|= ( payload[pktHeaderLen++] << 24 );
GregCr	0:9be122c18509	1500
GregCr	0:9be122c18509	1501	if( address != LoRaMacDevAddr )
GregCr	0:9be122c18509	1502	{
GregCr	0:9be122c18509	1503	curMulticastParams = MulticastChannels;
GregCr	0:9be122c18509	1504	while( curMulticastParams != NULL )
GregCr	0:9be122c18509	1505	{
GregCr	0:9be122c18509	1506	if( address == curMulticastParams->Address )
GregCr	0:9be122c18509	1507	{
GregCr	0:9be122c18509	1508	LoRaMacEventFlags.Bits.Multicast = 1;
GregCr	0:9be122c18509	1509	nwkSKey = curMulticastParams->NwkSKey;
GregCr	0:9be122c18509	1510	appSKey = curMulticastParams->AppSKey;
GregCr	0:9be122c18509	1511	downLinkCounter = curMulticastParams->DownLinkCounter;
GregCr	0:9be122c18509	1512	break;
GregCr	0:9be122c18509	1513	}
GregCr	0:9be122c18509	1514	curMulticastParams = curMulticastParams->Next;
GregCr	0:9be122c18509	1515	}
GregCr	0:9be122c18509	1516	if( LoRaMacEventFlags.Bits.Multicast == 0 )
GregCr	0:9be122c18509	1517	{
GregCr	0:9be122c18509	1518	// We are not the destination of this frame.
GregCr	0:9be122c18509	1519	LoRaMacEventFlags.Bits.Tx = 1;
GregCr	0:9be122c18509	1520	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL;
GregCr	0:9be122c18509	1521	LoRaMacState &= ~MAC_TX_RUNNING;
GregCr	0:9be122c18509	1522	return;
GregCr	0:9be122c18509	1523	}
GregCr	0:9be122c18509	1524	}
GregCr	0:9be122c18509	1525	else
GregCr	0:9be122c18509	1526	{
GregCr	0:9be122c18509	1527	LoRaMacEventFlags.Bits.Multicast = 0;
GregCr	0:9be122c18509	1528	nwkSKey = LoRaMacNwkSKey;
GregCr	0:9be122c18509	1529	appSKey = LoRaMacAppSKey;
GregCr	0:9be122c18509	1530	downLinkCounter = DownLinkCounter;
GregCr	0:9be122c18509	1531	}
GregCr	0:9be122c18509	1532
GregCr	0:9be122c18509	1533	if( LoRaMacDeviceClass != CLASS_A )
GregCr	0:9be122c18509	1534	{
GregCr	0:9be122c18509	1535	LoRaMacState \|= MAC_RX;
GregCr	0:9be122c18509	1536	// Starts the MAC layer status check timer
GregCr	0:9be122c18509	1537	MacStateCheckTimer.attach_us( &OnMacStateCheckTimerEvent , MAC_STATE_CHECK_TIMEOUT );
GregCr	0:9be122c18509	1538	}
GregCr	0:9be122c18509	1539	fCtrl.Value = payload[pktHeaderLen++];
GregCr	0:9be122c18509	1540
GregCr	0:9be122c18509	1541	sequenceCounter \|= payload[pktHeaderLen++];
GregCr	0:9be122c18509	1542	sequenceCounter \|= payload[pktHeaderLen++] << 8;
GregCr	0:9be122c18509	1543
GregCr	0:9be122c18509	1544	appPayloadStartIndex = 8 + fCtrl.Bits.FOptsLen;
GregCr	0:9be122c18509	1545
GregCr	0:9be122c18509	1546	micRx \|= payload[size - LORAMAC_MFR_LEN];
GregCr	0:9be122c18509	1547	micRx \|= ( payload[size - LORAMAC_MFR_LEN + 1] << 8 );
GregCr	0:9be122c18509	1548	micRx \|= ( payload[size - LORAMAC_MFR_LEN + 2] << 16 );
GregCr	0:9be122c18509	1549	micRx \|= ( payload[size - LORAMAC_MFR_LEN + 3] << 24 );
GregCr	0:9be122c18509	1550
GregCr	0:9be122c18509	1551	sequence = ( int32_t )sequenceCounter - ( int32_t )( downLinkCounter & 0xFFFF );
GregCr	0:9be122c18509	1552	if( sequence < 0 )
GregCr	0:9be122c18509	1553	{
GregCr	0:9be122c18509	1554	// sequence reset or roll over happened
GregCr	0:9be122c18509	1555	downLinkCounter = ( downLinkCounter & 0xFFFF0000 ) \| ( sequenceCounter + ( uint32_t )0x10000 );
GregCr	0:9be122c18509	1556	LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic );
GregCr	0:9be122c18509	1557	if( micRx == mic )
GregCr	0:9be122c18509	1558	{
GregCr	0:9be122c18509	1559	isMicOk = true;
GregCr	0:9be122c18509	1560	}
GregCr	0:9be122c18509	1561	else
GregCr	0:9be122c18509	1562	{
GregCr	0:9be122c18509	1563	isMicOk = false;
GregCr	0:9be122c18509	1564	// sequence reset
GregCr	0:9be122c18509	1565	if( LoRaMacEventFlags.Bits.Multicast == 1 )
GregCr	0:9be122c18509	1566	{
GregCr	0:9be122c18509	1567	curMulticastParams->DownLinkCounter = downLinkCounter = sequenceCounter;
GregCr	0:9be122c18509	1568	}
GregCr	0:9be122c18509	1569	else
GregCr	0:9be122c18509	1570	{
GregCr	0:9be122c18509	1571	DownLinkCounter = downLinkCounter = sequenceCounter;
GregCr	0:9be122c18509	1572	}
GregCr	0:9be122c18509	1573	LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic );
GregCr	0:9be122c18509	1574	}
GregCr	0:9be122c18509	1575	}
GregCr	0:9be122c18509	1576	else
GregCr	0:9be122c18509	1577	{
GregCr	0:9be122c18509	1578	downLinkCounter = ( downLinkCounter & 0xFFFF0000 ) \| sequenceCounter;
GregCr	0:9be122c18509	1579	LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic );
GregCr	0:9be122c18509	1580	}
GregCr	0:9be122c18509	1581
GregCr	0:9be122c18509	1582	if( ( isMicOk == true ) \|\|
GregCr	0:9be122c18509	1583	( micRx == mic ) )
GregCr	0:9be122c18509	1584	{
GregCr	0:9be122c18509	1585	LoRaMacEventFlags.Bits.Rx = 1;
GregCr	0:9be122c18509	1586	LoRaMacEventInfo.RxSnr = snr;
GregCr	0:9be122c18509	1587	LoRaMacEventInfo.RxRssi = rssi;
GregCr	0:9be122c18509	1588	LoRaMacEventInfo.RxBufferSize = 0;
GregCr	0:9be122c18509	1589	AdrAckCounter = 0;
GregCr	0:9be122c18509	1590	if( LoRaMacEventFlags.Bits.Multicast == 1 )
GregCr	0:9be122c18509	1591	{
GregCr	0:9be122c18509	1592	curMulticastParams->DownLinkCounter = downLinkCounter;
GregCr	0:9be122c18509	1593	}
GregCr	0:9be122c18509	1594	else
GregCr	0:9be122c18509	1595	{
GregCr	0:9be122c18509	1596	DownLinkCounter = downLinkCounter;
GregCr	0:9be122c18509	1597	}
GregCr	0:9be122c18509	1598
GregCr	0:9be122c18509	1599	if( macHdr.Bits.MType == FRAME_TYPE_DATA_CONFIRMED_DOWN )
GregCr	0:9be122c18509	1600	{
GregCr	0:9be122c18509	1601	SrvAckRequested = true;
GregCr	0:9be122c18509	1602	}
GregCr	0:9be122c18509	1603	else
GregCr	0:9be122c18509	1604	{
GregCr	0:9be122c18509	1605	SrvAckRequested = false;
GregCr	0:9be122c18509	1606	}
GregCr	0:9be122c18509	1607	// Check if the frame is an acknowledgement
GregCr	0:9be122c18509	1608	if( fCtrl.Bits.Ack == 1 )
GregCr	0:9be122c18509	1609	{
GregCr	0:9be122c18509	1610	LoRaMacEventInfo.TxAckReceived = true;
GregCr	0:9be122c18509	1611
GregCr	0:9be122c18509	1612	// Stop the AckTimeout timer as no more retransmissions
GregCr	0:9be122c18509	1613	// are needed.
GregCr	0:9be122c18509	1614	AckTimeoutTimer.detach( );
GregCr	0:9be122c18509	1615	}
GregCr	0:9be122c18509	1616	else
GregCr	0:9be122c18509	1617	{
GregCr	0:9be122c18509	1618	LoRaMacEventInfo.TxAckReceived = false;
GregCr	0:9be122c18509	1619	if( AckTimeoutRetriesCounter > AckTimeoutRetries )
GregCr	0:9be122c18509	1620	{
GregCr	0:9be122c18509	1621	// Stop the AckTimeout timer as no more retransmissions
GregCr	0:9be122c18509	1622	// are needed.
GregCr	0:9be122c18509	1623	AckTimeoutTimer.detach( );
GregCr	0:9be122c18509	1624	}
GregCr	0:9be122c18509	1625	}
GregCr	0:9be122c18509	1626
GregCr	0:9be122c18509	1627	if( fCtrl.Bits.FOptsLen > 0 )
GregCr	0:9be122c18509	1628	{
GregCr	0:9be122c18509	1629	// Decode Options field MAC commands
GregCr	0:9be122c18509	1630	LoRaMacProcessMacCommands( payload, 8, appPayloadStartIndex );
GregCr	0:9be122c18509	1631	}
GregCr	0:9be122c18509	1632
GregCr	0:9be122c18509	1633	if( ( ( size - 4 ) - appPayloadStartIndex ) > 0 )
GregCr	0:9be122c18509	1634	{
GregCr	0:9be122c18509	1635	port = payload[appPayloadStartIndex++];
GregCr	0:9be122c18509	1636	frameLen = ( size - 4 ) - appPayloadStartIndex;
GregCr	0:9be122c18509	1637
GregCr	0:9be122c18509	1638	if( port == 0 )
GregCr	0:9be122c18509	1639	{
GregCr	0:9be122c18509	1640	LoRaMacPayloadDecrypt( payload + appPayloadStartIndex,
GregCr	0:9be122c18509	1641	frameLen,
GregCr	0:9be122c18509	1642	nwkSKey,
GregCr	0:9be122c18509	1643	address,
GregCr	0:9be122c18509	1644	DOWN_LINK,
GregCr	0:9be122c18509	1645	downLinkCounter,
GregCr	0:9be122c18509	1646	LoRaMacRxPayload );
GregCr	0:9be122c18509	1647
GregCr	0:9be122c18509	1648	// Decode frame payload MAC commands
GregCr	0:9be122c18509	1649	LoRaMacProcessMacCommands( LoRaMacRxPayload, 0, frameLen );
GregCr	0:9be122c18509	1650	}
GregCr	0:9be122c18509	1651	else
GregCr	0:9be122c18509	1652	{
GregCr	0:9be122c18509	1653	LoRaMacPayloadDecrypt( payload + appPayloadStartIndex,
GregCr	0:9be122c18509	1654	frameLen,
GregCr	0:9be122c18509	1655	appSKey,
GregCr	0:9be122c18509	1656	address,
GregCr	0:9be122c18509	1657	DOWN_LINK,
GregCr	0:9be122c18509	1658	downLinkCounter,
GregCr	0:9be122c18509	1659	LoRaMacRxPayload );
GregCr	0:9be122c18509	1660
GregCr	0:9be122c18509	1661	LoRaMacEventFlags.Bits.RxData = 1;
GregCr	0:9be122c18509	1662	LoRaMacEventInfo.RxPort = port;
GregCr	0:9be122c18509	1663	LoRaMacEventInfo.RxBuffer = LoRaMacRxPayload;
GregCr	0:9be122c18509	1664	LoRaMacEventInfo.RxBufferSize = frameLen;
GregCr	0:9be122c18509	1665	}
GregCr	0:9be122c18509	1666	}
GregCr	0:9be122c18509	1667
GregCr	0:9be122c18509	1668	LoRaMacEventFlags.Bits.Tx = 1;
GregCr	0:9be122c18509	1669	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
GregCr	0:9be122c18509	1670	}
GregCr	0:9be122c18509	1671	else
GregCr	0:9be122c18509	1672	{
GregCr	0:9be122c18509	1673	LoRaMacEventInfo.TxAckReceived = false;
GregCr	0:9be122c18509	1674
GregCr	0:9be122c18509	1675	LoRaMacEventFlags.Bits.Tx = 1;
GregCr	0:9be122c18509	1676	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_MIC_FAIL;
GregCr	0:9be122c18509	1677	LoRaMacState &= ~MAC_TX_RUNNING;
GregCr	0:9be122c18509	1678	}
GregCr	0:9be122c18509	1679	}
GregCr	0:9be122c18509	1680	break;
GregCr	0:9be122c18509	1681	case FRAME_TYPE_PROPRIETARY:
GregCr	0:9be122c18509	1682	//Intentional falltrough
GregCr	0:9be122c18509	1683	default:
GregCr	0:9be122c18509	1684	LoRaMacEventFlags.Bits.Tx = 1;
GregCr	0:9be122c18509	1685	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ERROR;
GregCr	0:9be122c18509	1686	LoRaMacState &= ~MAC_TX_RUNNING;
GregCr	0:9be122c18509	1687	break;
GregCr	0:9be122c18509	1688	}
GregCr	0:9be122c18509	1689	}
GregCr	0:9be122c18509	1690
GregCr	0:9be122c18509	1691	/*!
GregCr	0:9be122c18509	1692	* Function executed on Radio Tx Timeout event
GregCr	0:9be122c18509	1693	*/
GregCr	0:9be122c18509	1694	static void OnRadioTxTimeout( void )
GregCr	1:0a272b37c6cd	1695	{
GregCr	0:9be122c18509	1696	if( LoRaMacDeviceClass != CLASS_C )
GregCr	0:9be122c18509	1697	{
GregCr	0:9be122c18509	1698	Radio.Sleep( );
GregCr	0:9be122c18509	1699	}
GregCr	0:9be122c18509	1700	else
GregCr	0:9be122c18509	1701	{
GregCr	0:9be122c18509	1702	OnRxWindow2TimerEvent( );
GregCr	0:9be122c18509	1703	}
GregCr	0:9be122c18509	1704
GregCr	0:9be122c18509	1705	LoRaMacEventFlags.Bits.Tx = 1;
GregCr	0:9be122c18509	1706	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT;
GregCr	0:9be122c18509	1707	}
GregCr	0:9be122c18509	1708
GregCr	0:9be122c18509	1709	/*!
GregCr	0:9be122c18509	1710	* Function executed on Radio Rx Timeout event
GregCr	0:9be122c18509	1711	*/
GregCr	0:9be122c18509	1712	static void OnRadioRxTimeout( void )
GregCr	1:0a272b37c6cd	1713	{
GregCr	0:9be122c18509	1714	if( LoRaMacDeviceClass != CLASS_C )
GregCr	0:9be122c18509	1715	{
GregCr	0:9be122c18509	1716	Radio.Sleep( );
GregCr	0:9be122c18509	1717	}
GregCr	0:9be122c18509	1718	if( LoRaMacEventFlags.Bits.RxSlot == 1 )
GregCr	0:9be122c18509	1719	{
GregCr	0:9be122c18509	1720	LoRaMacEventFlags.Bits.Tx = 1;
GregCr	0:9be122c18509	1721	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_RX2_TIMEOUT;
GregCr	0:9be122c18509	1722	}
GregCr	0:9be122c18509	1723	}
GregCr	0:9be122c18509	1724
GregCr	0:9be122c18509	1725	/*!
GregCr	0:9be122c18509	1726	* Function executed on Radio Rx Error event
GregCr	0:9be122c18509	1727	*/
GregCr	0:9be122c18509	1728	static void OnRadioRxError( void )
GregCr	1:0a272b37c6cd	1729	{
GregCr	0:9be122c18509	1730	if( LoRaMacDeviceClass != CLASS_C )
GregCr	0:9be122c18509	1731	{
GregCr	0:9be122c18509	1732	Radio.Sleep( );
GregCr	0:9be122c18509	1733	}
GregCr	0:9be122c18509	1734	if( LoRaMacEventFlags.Bits.RxSlot == 1 )
GregCr	0:9be122c18509	1735	{
GregCr	0:9be122c18509	1736	LoRaMacEventFlags.Bits.Tx = 1;
GregCr	0:9be122c18509	1737	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_RX2_ERROR;
GregCr	0:9be122c18509	1738	}
GregCr	0:9be122c18509	1739	}
GregCr	0:9be122c18509	1740
GregCr	0:9be122c18509	1741	/*!
GregCr	0:9be122c18509	1742	* Initializes and opens the reception window
GregCr	0:9be122c18509	1743	*
GregCr	0:9be122c18509	1744	* \param [IN] freq window channel frequency
GregCr	0:9be122c18509	1745	* \param [IN] datarate window channel datarate
GregCr	0:9be122c18509	1746	* \param [IN] bandwidth window channel bandwidth
GregCr	0:9be122c18509	1747	* \param [IN] timeout window channel timeout
GregCr	0:9be122c18509	1748	*/
GregCr	0:9be122c18509	1749	void LoRaMacRxWindowSetup( uint32_t freq, int8_t datarate, uint32_t bandwidth, uint16_t timeout, bool rxContinuous )
GregCr	0:9be122c18509	1750	{
GregCr	0:9be122c18509	1751	if( Radio.GetStatus( ) == IDLE )
GregCr	0:9be122c18509	1752	{
GregCr	0:9be122c18509	1753	Radio.SetChannel( freq );
GregCr	0:9be122c18509	1754	if( datarate == DR_7 )
GregCr	0:9be122c18509	1755	{
GregCr	0:9be122c18509	1756	Radio.SetRxConfig( MODEM_FSK, 50e3, Datarates[datarate] * 1e3, 0, 83.333e3, 5, 0, false, 0, true, 0, 0, false, rxContinuous );
GregCr	0:9be122c18509	1757	}
GregCr	0:9be122c18509	1758	else
GregCr	0:9be122c18509	1759	{
GregCr	0:9be122c18509	1760	Radio.SetRxConfig( MODEM_LORA, bandwidth, Datarates[datarate], 1, 0, 8, timeout, false, 0, false, 0, 0, true, rxContinuous );
GregCr	0:9be122c18509	1761	}
GregCr	0:9be122c18509	1762	if( rxContinuous == false )
GregCr	0:9be122c18509	1763	{
GregCr	0:9be122c18509	1764	Radio.Rx( MaxRxWindow );
GregCr	0:9be122c18509	1765	}
GregCr	0:9be122c18509	1766	else
GregCr	0:9be122c18509	1767	{
GregCr	0:9be122c18509	1768	Radio.Rx( 0 ); // Continuous mode
GregCr	0:9be122c18509	1769	}
GregCr	0:9be122c18509	1770	}
GregCr	0:9be122c18509	1771	}
GregCr	0:9be122c18509	1772
GregCr	0:9be122c18509	1773	/*!
GregCr	0:9be122c18509	1774	* Function executed on first Rx window timer event
GregCr	0:9be122c18509	1775	*/
GregCr	0:9be122c18509	1776	static void OnRxWindow1TimerEvent( void )
GregCr	0:9be122c18509	1777	{
GregCr	3:675d14219ad5	1778	uint16_t symbTimeout = 20; // DR_2, DR_1, DR_0
GregCr	0:9be122c18509	1779	int8_t datarate = 0;
GregCr	0:9be122c18509	1780	uint32_t bandwidth = 0; // LoRa 125 kHz
GregCr	0:9be122c18509	1781
GregCr	1:0a272b37c6cd	1782	RxWindowTimer1.detach( );
GregCr	0:9be122c18509	1783
GregCr	0:9be122c18509	1784	datarate = ChannelsDatarate - Rx1DrOffset;
GregCr	0:9be122c18509	1785	if( datarate < 0 )
GregCr	0:9be122c18509	1786	{
GregCr	0:9be122c18509	1787	datarate = DR_0;
GregCr	0:9be122c18509	1788	}
GregCr	0:9be122c18509	1789
GregCr	0:9be122c18509	1790	// For higher datarates, we increase the number of symbols generating a Rx Timeout
GregCr	0:9be122c18509	1791	if( datarate >= DR_3 )
GregCr	0:9be122c18509	1792	{ // DR_6, DR_5, DR_4, DR_3
GregCr	3:675d14219ad5	1793	symbTimeout = 50;
GregCr	0:9be122c18509	1794	}
GregCr	0:9be122c18509	1795	if( datarate == DR_6 )
GregCr	0:9be122c18509	1796	{// LoRa 250 kHz
GregCr	0:9be122c18509	1797	bandwidth = 1;
GregCr	0:9be122c18509	1798	}
GregCr	0:9be122c18509	1799	LoRaMacEventFlags.Bits.RxSlot = 0;
GregCr	0:9be122c18509	1800	LoRaMacRxWindowSetup( Channels[Channel].Frequency, datarate, bandwidth, symbTimeout, false );
GregCr	0:9be122c18509	1801	}
GregCr	0:9be122c18509	1802
GregCr	0:9be122c18509	1803	/*!
GregCr	0:9be122c18509	1804	* Function executed on second Rx window timer event
GregCr	0:9be122c18509	1805	*/
GregCr	0:9be122c18509	1806	static void OnRxWindow2TimerEvent( void )
GregCr	0:9be122c18509	1807	{
GregCr	1:0a272b37c6cd	1808	RxWindowTimer2.detach( );
GregCr	0:9be122c18509	1809
GregCr	0:9be122c18509	1810	if( NodeAckRequested == true )
GregCr	0:9be122c18509	1811	{
GregCr	0:9be122c18509	1812	AckTimeoutTimer.attach_us( &OnAckTimeoutTimerEvent, ACK_TIMEOUT + randr( -ACK_TIMEOUT_RND, ACK_TIMEOUT_RND ) );
GregCr	0:9be122c18509	1813	}
GregCr	0:9be122c18509	1814
GregCr	3:675d14219ad5	1815	uint16_t symbTimeout = 20; // DR_2, DR_1, DR_0
GregCr	0:9be122c18509	1816	uint32_t bandwidth = 0; // LoRa 125 kHz
GregCr	0:9be122c18509	1817
GregCr	0:9be122c18509	1818	// For higher datarates, we increase the number of symbols generating a Rx Timeout
GregCr	0:9be122c18509	1819	if( Rx2Channel.Datarate >= DR_3 )
GregCr	0:9be122c18509	1820	{ // DR_6, DR_5, DR_4, DR_3
GregCr	3:675d14219ad5	1821	symbTimeout = 50;
GregCr	0:9be122c18509	1822	}
GregCr	0:9be122c18509	1823	if( Rx2Channel.Datarate == DR_6 )
GregCr	0:9be122c18509	1824	{// LoRa 250 kHz
GregCr	0:9be122c18509	1825	bandwidth = 1;
GregCr	0:9be122c18509	1826	}
GregCr	0:9be122c18509	1827
GregCr	0:9be122c18509	1828	LoRaMacEventFlags.Bits.RxSlot = 1;
GregCr	0:9be122c18509	1829	if( LoRaMacDeviceClass != CLASS_C )
GregCr	0:9be122c18509	1830	{
GregCr	0:9be122c18509	1831	LoRaMacRxWindowSetup( Rx2Channel.Frequency, Rx2Channel.Datarate, bandwidth, symbTimeout, false );
GregCr	0:9be122c18509	1832	}
GregCr	0:9be122c18509	1833	else
GregCr	0:9be122c18509	1834	{
GregCr	0:9be122c18509	1835	LoRaMacRxWindowSetup( Rx2Channel.Frequency, Rx2Channel.Datarate, bandwidth, symbTimeout, true );
GregCr	0:9be122c18509	1836	}
GregCr	0:9be122c18509	1837	}
GregCr	0:9be122c18509	1838
GregCr	0:9be122c18509	1839	/*!
GregCr	0:9be122c18509	1840	* Function executed on MacStateCheck timer event
GregCr	0:9be122c18509	1841	*/
GregCr	0:9be122c18509	1842	static void OnMacStateCheckTimerEvent( void )
GregCr	0:9be122c18509	1843	{
GregCr	1:0a272b37c6cd	1844	MacStateCheckTimer.detach( );
GregCr	0:9be122c18509	1845
GregCr	0:9be122c18509	1846	if( LoRaMacEventFlags.Bits.Tx == 1 )
GregCr	0:9be122c18509	1847	{
GregCr	0:9be122c18509	1848	if( NodeAckRequested == false )
GregCr	0:9be122c18509	1849	{
GregCr	0:9be122c18509	1850	if( LoRaMacEventFlags.Bits.JoinAccept == true )
GregCr	0:9be122c18509	1851	{
GregCr	0:9be122c18509	1852	// Join messages aren't repeated automatically
GregCr	0:9be122c18509	1853	ChannelsNbRepCounter = ChannelsNbRep;
GregCr	0:9be122c18509	1854	UpLinkCounter = 0;
GregCr	0:9be122c18509	1855	}
GregCr	0:9be122c18509	1856	if( ChannelsNbRepCounter >= ChannelsNbRep )
GregCr	0:9be122c18509	1857	{
GregCr	0:9be122c18509	1858	ChannelsNbRepCounter = 0;
GregCr	0:9be122c18509	1859
GregCr	0:9be122c18509	1860	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
GregCr	0:9be122c18509	1861
GregCr	0:9be122c18509	1862	AdrAckCounter++;
GregCr	0:9be122c18509	1863	if( IsUpLinkCounterFixed == false )
GregCr	0:9be122c18509	1864	{
GregCr	0:9be122c18509	1865	UpLinkCounter++;
GregCr	0:9be122c18509	1866	}
GregCr	0:9be122c18509	1867
GregCr	0:9be122c18509	1868	LoRaMacState &= ~MAC_TX_RUNNING;
GregCr	0:9be122c18509	1869	}
GregCr	0:9be122c18509	1870	else
GregCr	0:9be122c18509	1871	{
GregCr	0:9be122c18509	1872	LoRaMacEventFlags.Bits.Tx = 0;
GregCr	0:9be122c18509	1873	// Sends the same frame again
GregCr	0:9be122c18509	1874	if( LoRaMacSetNextChannel( ) == 0 )
GregCr	0:9be122c18509	1875	{
GregCr	0:9be122c18509	1876	LoRaMacSendFrameOnChannel( Channels[Channel] );
GregCr	0:9be122c18509	1877	}
GregCr	0:9be122c18509	1878	}
GregCr	0:9be122c18509	1879	}
GregCr	0:9be122c18509	1880
GregCr	0:9be122c18509	1881	if( LoRaMacEventFlags.Bits.Rx == 1 )
GregCr	0:9be122c18509	1882	{
GregCr	0:9be122c18509	1883	if( ( LoRaMacEventInfo.TxAckReceived == true ) \|\| ( AckTimeoutRetriesCounter > AckTimeoutRetries ) )
GregCr	0:9be122c18509	1884	{
GregCr	0:9be122c18509	1885	AckTimeoutRetry = false;
GregCr	0:9be122c18509	1886	if( IsUpLinkCounterFixed == false )
GregCr	0:9be122c18509	1887	{
GregCr	0:9be122c18509	1888	UpLinkCounter++;
GregCr	0:9be122c18509	1889	}
GregCr	0:9be122c18509	1890	LoRaMacEventInfo.TxNbRetries = AckTimeoutRetriesCounter;
GregCr	0:9be122c18509	1891
GregCr	0:9be122c18509	1892	LoRaMacState &= ~MAC_TX_RUNNING;
GregCr	0:9be122c18509	1893	}
GregCr	0:9be122c18509	1894	}
GregCr	0:9be122c18509	1895
GregCr	0:9be122c18509	1896	if( ( AckTimeoutRetry == true ) && ( ( LoRaMacState & MAC_CHANNEL_CHECK ) == 0 ) )
GregCr	0:9be122c18509	1897	{
GregCr	0:9be122c18509	1898	AckTimeoutRetry = false;
GregCr	0:9be122c18509	1899	if( ( AckTimeoutRetriesCounter < AckTimeoutRetries ) && ( AckTimeoutRetriesCounter <= MAX_ACK_RETRIES ) )
GregCr	0:9be122c18509	1900	{
GregCr	0:9be122c18509	1901	AckTimeoutRetriesCounter++;
GregCr	0:9be122c18509	1902
GregCr	0:9be122c18509	1903	if( ( AckTimeoutRetriesCounter % 2 ) == 1 )
GregCr	0:9be122c18509	1904	{
GregCr	0:9be122c18509	1905	ChannelsDatarate = MAX( ChannelsDatarate - 1, LORAMAC_MIN_DATARATE );
GregCr	0:9be122c18509	1906	}
GregCr	0:9be122c18509	1907	LoRaMacEventFlags.Bits.Tx = 0;
GregCr	0:9be122c18509	1908	// Sends the same frame again
GregCr	0:9be122c18509	1909	if( LoRaMacSetNextChannel( ) == 0 )
GregCr	0:9be122c18509	1910	{
GregCr	0:9be122c18509	1911	LoRaMacSendFrameOnChannel( Channels[Channel] );
GregCr	0:9be122c18509	1912	}
GregCr	0:9be122c18509	1913	}
GregCr	0:9be122c18509	1914	else
GregCr	0:9be122c18509	1915	{
GregCr	0:9be122c18509	1916	// Re-enable default channels LC1, LC2, LC3
GregCr	0:9be122c18509	1917	ChannelsMask = ChannelsMask \| ( LC( 1 ) + LC( 2 ) + LC( 3 ) );
GregCr	0:9be122c18509	1918
GregCr	0:9be122c18509	1919	LoRaMacState &= ~MAC_TX_RUNNING;
GregCr	0:9be122c18509	1920
GregCr	0:9be122c18509	1921	LoRaMacEventInfo.TxAckReceived = false;
GregCr	0:9be122c18509	1922	LoRaMacEventInfo.TxNbRetries = AckTimeoutRetriesCounter;
GregCr	0:9be122c18509	1923	if( IsUpLinkCounterFixed == false )
GregCr	0:9be122c18509	1924	{
GregCr	0:9be122c18509	1925	UpLinkCounter++;
GregCr	0:9be122c18509	1926	}
GregCr	0:9be122c18509	1927	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
GregCr	0:9be122c18509	1928	}
GregCr	0:9be122c18509	1929	}
GregCr	0:9be122c18509	1930	}
GregCr	0:9be122c18509	1931	// Handle reception for Class B and Class C
GregCr	0:9be122c18509	1932	if( ( LoRaMacState & MAC_RX ) == MAC_RX )
GregCr	0:9be122c18509	1933	{
GregCr	0:9be122c18509	1934	LoRaMacState &= ~MAC_RX;
GregCr	0:9be122c18509	1935	}
GregCr	0:9be122c18509	1936	if( LoRaMacState == MAC_IDLE )
GregCr	0:9be122c18509	1937	{
GregCr	0:9be122c18509	1938	LoRaMacNotify( &LoRaMacEventFlags, &LoRaMacEventInfo );
GregCr	0:9be122c18509	1939	}
GregCr	0:9be122c18509	1940	else
GregCr	0:9be122c18509	1941	{
GregCr	0:9be122c18509	1942	// Operation not finished restart timer
GregCr	0:9be122c18509	1943	MacStateCheckTimer.attach_us( &OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT );
GregCr	0:9be122c18509	1944	}
GregCr	0:9be122c18509	1945	}
GregCr	0:9be122c18509	1946
GregCr	0:9be122c18509	1947	static void OnAckTimeoutTimerEvent( void )
GregCr	0:9be122c18509	1948	{
GregCr	1:0a272b37c6cd	1949	AckTimeoutTimer.detach( );
GregCr	0:9be122c18509	1950
GregCr	0:9be122c18509	1951	AckTimeoutRetry = true;
GregCr	0:9be122c18509	1952	LoRaMacState &= ~MAC_ACK_REQ;
GregCr	0:9be122c18509	1953	}
GregCr	0:9be122c18509	1954
GregCr	0:9be122c18509	1955	/*!
GregCr	0:9be122c18509	1956	* ============================================================================
GregCr	0:9be122c18509	1957	* = LoRaMac test functions =
GregCr	0:9be122c18509	1958	* ============================================================================
GregCr	0:9be122c18509	1959	*/
GregCr	0:9be122c18509	1960
GregCr	0:9be122c18509	1961	void LoRaMacSetDeviceClass( DeviceClass_t deviceClass )
GregCr	0:9be122c18509	1962	{
GregCr	0:9be122c18509	1963	LoRaMacDeviceClass = deviceClass;
GregCr	0:9be122c18509	1964	}
GregCr	0:9be122c18509	1965
GregCr	0:9be122c18509	1966	void LoRaMacSetPublicNetwork( bool enable )
GregCr	0:9be122c18509	1967	{
GregCr	0:9be122c18509	1968	PublicNetwork = enable;
GregCr	0:9be122c18509	1969	Radio.SetModem( MODEM_LORA );
GregCr	0:9be122c18509	1970	if( PublicNetwork == true )
GregCr	0:9be122c18509	1971	{
GregCr	0:9be122c18509	1972	// Change LoRa modem SyncWord
GregCr	0:9be122c18509	1973	Radio.Write( REG_LR_SYNCWORD, LORA_MAC_PUBLIC_SYNCWORD );
GregCr	0:9be122c18509	1974	}
GregCr	0:9be122c18509	1975	else
GregCr	0:9be122c18509	1976	{
GregCr	0:9be122c18509	1977	// Change LoRa modem SyncWord
GregCr	0:9be122c18509	1978	Radio.Write( REG_LR_SYNCWORD, LORA_MAC_PRIVATE_SYNCWORD );
GregCr	0:9be122c18509	1979	}
GregCr	0:9be122c18509	1980	}
GregCr	0:9be122c18509	1981
GregCr	0:9be122c18509	1982	void LoRaMacSetDutyCycleOn( bool enable )
GregCr	0:9be122c18509	1983	{
GregCr	0:9be122c18509	1984	DutyCycleOn = enable;
GregCr	0:9be122c18509	1985	}
GregCr	0:9be122c18509	1986
GregCr	0:9be122c18509	1987	void LoRaMacSetChannel( uint8_t id, ChannelParams_t params )
GregCr	0:9be122c18509	1988	{
GregCr	0:9be122c18509	1989	params.Band = 0;
GregCr	0:9be122c18509	1990	Channels[id] = params;
GregCr	0:9be122c18509	1991	// Activate the newly created channel
GregCr	0:9be122c18509	1992	ChannelsMask \|= 1 << id;
GregCr	0:9be122c18509	1993
GregCr	0:9be122c18509	1994	#if defined( USE_BAND_868 )
GregCr	0:9be122c18509	1995	if( ( Channels[id].Frequency >= 865000000 ) && ( Channels[id].Frequency <= 868000000 ) )
GregCr	0:9be122c18509	1996	{
GregCr	0:9be122c18509	1997	if( Channels[id].Band != BAND_G1_0 )
GregCr	0:9be122c18509	1998	{
GregCr	0:9be122c18509	1999	Channels[id].Band = BAND_G1_0;
GregCr	0:9be122c18509	2000	}
GregCr	0:9be122c18509	2001	}
GregCr	0:9be122c18509	2002	else if( ( Channels[id].Frequency > 868000000 ) && ( Channels[id].Frequency <= 868600000 ) )
GregCr	0:9be122c18509	2003	{
GregCr	0:9be122c18509	2004	if( Channels[id].Band != BAND_G1_1 )
GregCr	0:9be122c18509	2005	{
GregCr	0:9be122c18509	2006	Channels[id].Band = BAND_G1_1;
GregCr	0:9be122c18509	2007	}
GregCr	0:9be122c18509	2008	}
GregCr	0:9be122c18509	2009	else if( ( Channels[id].Frequency >= 868700000 ) && ( Channels[id].Frequency <= 869200000 ) )
GregCr	0:9be122c18509	2010	{
GregCr	0:9be122c18509	2011	if( Channels[id].Band != BAND_G1_2 )
GregCr	0:9be122c18509	2012	{
GregCr	0:9be122c18509	2013	Channels[id].Band = BAND_G1_2;
GregCr	0:9be122c18509	2014	}
GregCr	0:9be122c18509	2015	}
GregCr	0:9be122c18509	2016	else if( ( Channels[id].Frequency >= 869400000 ) && ( Channels[id].Frequency <= 869650000 ) )
GregCr	0:9be122c18509	2017	{
GregCr	0:9be122c18509	2018	if( Channels[id].Band != BAND_G1_3 )
GregCr	0:9be122c18509	2019	{
GregCr	0:9be122c18509	2020	Channels[id].Band = BAND_G1_3;
GregCr	0:9be122c18509	2021	}
GregCr	0:9be122c18509	2022	}
GregCr	0:9be122c18509	2023	else if( ( Channels[id].Frequency >= 869700000 ) && ( Channels[id].Frequency <= 870000000 ) )
GregCr	0:9be122c18509	2024	{
GregCr	0:9be122c18509	2025	if( Channels[id].Band != BAND_G1_4 )
GregCr	0:9be122c18509	2026	{
GregCr	0:9be122c18509	2027	Channels[id].Band = BAND_G1_4;
GregCr	0:9be122c18509	2028	}
GregCr	0:9be122c18509	2029	}
GregCr	0:9be122c18509	2030	else
GregCr	0:9be122c18509	2031	{
GregCr	0:9be122c18509	2032	Channels[id].Frequency = 0;
GregCr	0:9be122c18509	2033	Channels[id].DrRange.Value = 0;
GregCr	0:9be122c18509	2034	}
GregCr	0:9be122c18509	2035	#endif
GregCr	0:9be122c18509	2036	// Check if it is a valid channel
GregCr	0:9be122c18509	2037	if( Channels[id].Frequency == 0 )
GregCr	0:9be122c18509	2038	{
GregCr	0:9be122c18509	2039	ChannelsMask &= ~( 1 << id );
GregCr	0:9be122c18509	2040	}
GregCr	0:9be122c18509	2041	}
GregCr	0:9be122c18509	2042
GregCr	0:9be122c18509	2043	void LoRaMacSetRx2Channel( Rx2ChannelParams_t param )
GregCr	0:9be122c18509	2044	{
GregCr	0:9be122c18509	2045	Rx2Channel = param;
GregCr	0:9be122c18509	2046	}
GregCr	0:9be122c18509	2047
GregCr	0:9be122c18509	2048	void LoRaMacSetChannelsTxPower( int8_t txPower )
GregCr	0:9be122c18509	2049	{
GregCr	0:9be122c18509	2050	ChannelsTxPower = txPower;
GregCr	0:9be122c18509	2051	}
GregCr	0:9be122c18509	2052
GregCr	0:9be122c18509	2053	void LoRaMacSetChannelsDatarate( int8_t datarate )
GregCr	0:9be122c18509	2054	{
GregCr	0:9be122c18509	2055	ChannelsDefaultDatarate = ChannelsDatarate = datarate;
GregCr	0:9be122c18509	2056	}
GregCr	0:9be122c18509	2057
GregCr	0:9be122c18509	2058	void LoRaMacSetChannelsMask( uint16_t mask )
GregCr	0:9be122c18509	2059	{
GregCr	0:9be122c18509	2060	ChannelsMask = mask;
GregCr	0:9be122c18509	2061	}
GregCr	0:9be122c18509	2062
GregCr	0:9be122c18509	2063	void LoRaMacSetChannelsNbRep( uint8_t nbRep )
GregCr	0:9be122c18509	2064	{
GregCr	0:9be122c18509	2065	if( nbRep < 1 )
GregCr	0:9be122c18509	2066	{
GregCr	0:9be122c18509	2067	nbRep = 1;
GregCr	0:9be122c18509	2068	}
GregCr	0:9be122c18509	2069	if( nbRep > 15 )
GregCr	0:9be122c18509	2070	{
GregCr	0:9be122c18509	2071	nbRep = 15;
GregCr	0:9be122c18509	2072	}
GregCr	0:9be122c18509	2073	ChannelsNbRep = nbRep;
GregCr	0:9be122c18509	2074	}
GregCr	0:9be122c18509	2075
GregCr	0:9be122c18509	2076	void LoRaMacSetMaxRxWindow( uint32_t delay )
GregCr	0:9be122c18509	2077	{
GregCr	0:9be122c18509	2078	MaxRxWindow = delay;
GregCr	0:9be122c18509	2079	}
GregCr	0:9be122c18509	2080
GregCr	0:9be122c18509	2081	void LoRaMacSetReceiveDelay1( uint32_t delay )
GregCr	0:9be122c18509	2082	{
GregCr	0:9be122c18509	2083	ReceiveDelay1 = delay;
GregCr	0:9be122c18509	2084	}
GregCr	0:9be122c18509	2085
GregCr	0:9be122c18509	2086	void LoRaMacSetReceiveDelay2( uint32_t delay )
GregCr	0:9be122c18509	2087	{
GregCr	0:9be122c18509	2088	ReceiveDelay2 = delay;
GregCr	0:9be122c18509	2089	}
GregCr	0:9be122c18509	2090
GregCr	0:9be122c18509	2091	void LoRaMacSetJoinAcceptDelay1( uint32_t delay )
GregCr	0:9be122c18509	2092	{
GregCr	0:9be122c18509	2093	JoinAcceptDelay1 = delay;
GregCr	0:9be122c18509	2094	}
GregCr	0:9be122c18509	2095
GregCr	0:9be122c18509	2096	void LoRaMacSetJoinAcceptDelay2( uint32_t delay )
GregCr	0:9be122c18509	2097	{
GregCr	0:9be122c18509	2098	JoinAcceptDelay2 = delay;
GregCr	0:9be122c18509	2099	}
GregCr	0:9be122c18509	2100
GregCr	0:9be122c18509	2101	void LoRaMacTestRxWindowsOn( bool enable )
GregCr	0:9be122c18509	2102	{
GregCr	0:9be122c18509	2103	IsRxWindowsEnabled = enable;
GregCr	0:9be122c18509	2104	}
GregCr	0:9be122c18509	2105
GregCr	0:9be122c18509	2106	uint32_t LoRaMacGetUpLinkCounter( void )
GregCr	0:9be122c18509	2107	{
GregCr	0:9be122c18509	2108	return UpLinkCounter;
GregCr	0:9be122c18509	2109	}
GregCr	0:9be122c18509	2110
GregCr	0:9be122c18509	2111	uint32_t LoRaMacGetDownLinkCounter( void )
GregCr	0:9be122c18509	2112	{
GregCr	0:9be122c18509	2113	return DownLinkCounter;
GregCr	0:9be122c18509	2114	}
GregCr	0:9be122c18509	2115
GregCr	0:9be122c18509	2116	void LoRaMacSetMicTest( uint16_t upLinkCounter )
GregCr	0:9be122c18509	2117	{
GregCr	0:9be122c18509	2118	UpLinkCounter = upLinkCounter;
GregCr	0:9be122c18509	2119	IsUpLinkCounterFixed = true;
GregCr	0:9be122c18509	2120	}

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Type:	Program
Created:	01 Dec 2015
Imports:	3
Forks:	0
Commits:	12
Dependents:	1
Dependencies:	0
Followers:	2

mac/LoRaMac.cpp@3:675d14219ad5, 2015-09-21 (annotated)

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