LoRaWAN-lib - Fork of Semtech LoRaWAN stack

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Fork of Semtech LoRaWAN stack

Fork of LoRaWAN-lib by canuck lehead

LoRaMac.cpp@0:91d1a7783bb9, 2015-10-20 (annotated)

Committer:: mluis
Date:: Tue Oct 20 13:21:26 2015 +0000
Revision:: 0:91d1a7783bb9
Child:: 1:91e4e6c60d1e

Library creation synchronized with GitHub LoRaMac-node v3.4 (https://github.com/Lora-net/LoRaMac-node)

Who changed what in which revision?

User	Revision	Line number	New contents of line
mluis	0:91d1a7783bb9	1	/*
mluis	0:91d1a7783bb9	2	/ _____) _ \| \|
mluis	0:91d1a7783bb9	3	( (____ _____ ____ _\| \|_ _____ ____\| \|__
mluis	0:91d1a7783bb9	4	\____ \\| ___ \| (_ _) ___ \|/ ___) _ \
mluis	0:91d1a7783bb9	5	_____) ) ____\| \| \| \|\| \|_\| ____( (___\| \| \| \|
mluis	0:91d1a7783bb9	6	(______/\|_____)_\|_\|_\| \__)_____)\____)_\| \|_\|
mluis	0:91d1a7783bb9	7	(C)2013 Semtech
mluis	0:91d1a7783bb9	8
mluis	0:91d1a7783bb9	9	Description: LoRa MAC layer implementation
mluis	0:91d1a7783bb9	10
mluis	0:91d1a7783bb9	11	License: Revised BSD License, see LICENSE.TXT file include in the project
mluis	0:91d1a7783bb9	12
mluis	0:91d1a7783bb9	13	Maintainer: Miguel Luis and Gregory Cristian
mluis	0:91d1a7783bb9	14	*/
mluis	0:91d1a7783bb9	15	#include "mbed.h"
mluis	0:91d1a7783bb9	16	#include "board.h"
mluis	0:91d1a7783bb9	17	#include "utilities.h"
mluis	0:91d1a7783bb9	18	#include "sx1276-hal.h"
mluis	0:91d1a7783bb9	19
mluis	0:91d1a7783bb9	20	#include "LoRaMacCrypto.h"
mluis	0:91d1a7783bb9	21	#include "LoRaMac.h"
mluis	0:91d1a7783bb9	22
mluis	0:91d1a7783bb9	23	/*!
mluis	0:91d1a7783bb9	24	* Maximum PHY layer payload size
mluis	0:91d1a7783bb9	25	*/
mluis	0:91d1a7783bb9	26	#define LORAMAC_PHY_MAXPAYLOAD 250
mluis	0:91d1a7783bb9	27
mluis	0:91d1a7783bb9	28	/*!
mluis	0:91d1a7783bb9	29	* Device IEEE EUI
mluis	0:91d1a7783bb9	30	*/
mluis	0:91d1a7783bb9	31	static uint8_t *LoRaMacDevEui;
mluis	0:91d1a7783bb9	32
mluis	0:91d1a7783bb9	33	/*!
mluis	0:91d1a7783bb9	34	* Application IEEE EUI
mluis	0:91d1a7783bb9	35	*/
mluis	0:91d1a7783bb9	36	static uint8_t *LoRaMacAppEui;
mluis	0:91d1a7783bb9	37
mluis	0:91d1a7783bb9	38	/*!
mluis	0:91d1a7783bb9	39	* AES encryption/decryption cipher application key
mluis	0:91d1a7783bb9	40	*/
mluis	0:91d1a7783bb9	41	static uint8_t *LoRaMacAppKey;
mluis	0:91d1a7783bb9	42
mluis	0:91d1a7783bb9	43	/*!
mluis	0:91d1a7783bb9	44	* AES encryption/decryption cipher network session key
mluis	0:91d1a7783bb9	45	*/
mluis	0:91d1a7783bb9	46	static uint8_t LoRaMacNwkSKey[] =
mluis	0:91d1a7783bb9	47	{
mluis	0:91d1a7783bb9	48	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
mluis	0:91d1a7783bb9	49	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
mluis	0:91d1a7783bb9	50	};
mluis	0:91d1a7783bb9	51
mluis	0:91d1a7783bb9	52	/*!
mluis	0:91d1a7783bb9	53	* AES encryption/decryption cipher application session key
mluis	0:91d1a7783bb9	54	*/
mluis	0:91d1a7783bb9	55	static uint8_t LoRaMacAppSKey[] =
mluis	0:91d1a7783bb9	56	{
mluis	0:91d1a7783bb9	57	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
mluis	0:91d1a7783bb9	58	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
mluis	0:91d1a7783bb9	59	};
mluis	0:91d1a7783bb9	60
mluis	0:91d1a7783bb9	61	/*!
mluis	0:91d1a7783bb9	62	* Device nonce is a random value extracted by issuing a sequence of RSSI
mluis	0:91d1a7783bb9	63	* measurements
mluis	0:91d1a7783bb9	64	*/
mluis	0:91d1a7783bb9	65	static uint16_t LoRaMacDevNonce;
mluis	0:91d1a7783bb9	66
mluis	0:91d1a7783bb9	67	/*!
mluis	0:91d1a7783bb9	68	* Network ID ( 3 bytes )
mluis	0:91d1a7783bb9	69	*/
mluis	0:91d1a7783bb9	70	static uint32_t LoRaMacNetID;
mluis	0:91d1a7783bb9	71
mluis	0:91d1a7783bb9	72	/*!
mluis	0:91d1a7783bb9	73	* Mote Address
mluis	0:91d1a7783bb9	74	*/
mluis	0:91d1a7783bb9	75	static uint32_t LoRaMacDevAddr;
mluis	0:91d1a7783bb9	76
mluis	0:91d1a7783bb9	77	/*!
mluis	0:91d1a7783bb9	78	* Mutlicast channels linked list
mluis	0:91d1a7783bb9	79	*/
mluis	0:91d1a7783bb9	80	static MulticastParams_t *MulticastChannels = NULL;
mluis	0:91d1a7783bb9	81
mluis	0:91d1a7783bb9	82	/*!
mluis	0:91d1a7783bb9	83	* Actual device class
mluis	0:91d1a7783bb9	84	*/
mluis	0:91d1a7783bb9	85	static DeviceClass_t LoRaMacDeviceClass;
mluis	0:91d1a7783bb9	86
mluis	0:91d1a7783bb9	87	/*!
mluis	0:91d1a7783bb9	88	* Indicates if the node is connected to a private or public network
mluis	0:91d1a7783bb9	89	*/
mluis	0:91d1a7783bb9	90	static bool PublicNetwork;
mluis	0:91d1a7783bb9	91
mluis	0:91d1a7783bb9	92	/*!
mluis	0:91d1a7783bb9	93	* Indicates if the node supports repeaters
mluis	0:91d1a7783bb9	94	*/
mluis	0:91d1a7783bb9	95	static bool RepeaterSupport;
mluis	0:91d1a7783bb9	96
mluis	0:91d1a7783bb9	97	/*!
mluis	0:91d1a7783bb9	98	* Buffer containing the data to be sent or received.
mluis	0:91d1a7783bb9	99	*/
mluis	0:91d1a7783bb9	100	static uint8_t LoRaMacBuffer[LORAMAC_PHY_MAXPAYLOAD];
mluis	0:91d1a7783bb9	101
mluis	0:91d1a7783bb9	102	/*!
mluis	0:91d1a7783bb9	103	* Length of packet in LoRaMacBuffer
mluis	0:91d1a7783bb9	104	*/
mluis	0:91d1a7783bb9	105	static uint16_t LoRaMacBufferPktLen = 0;
mluis	0:91d1a7783bb9	106
mluis	0:91d1a7783bb9	107	/*!
mluis	0:91d1a7783bb9	108	* Buffer containing the upper layer data.
mluis	0:91d1a7783bb9	109	*/
mluis	0:91d1a7783bb9	110	static uint8_t LoRaMacPayload[LORAMAC_PHY_MAXPAYLOAD];
mluis	0:91d1a7783bb9	111	static uint8_t LoRaMacRxPayload[LORAMAC_PHY_MAXPAYLOAD];
mluis	0:91d1a7783bb9	112
mluis	0:91d1a7783bb9	113	/*!
mluis	0:91d1a7783bb9	114	* LoRaMAC frame counter. Each time a packet is sent the counter is incremented.
mluis	0:91d1a7783bb9	115	* Only the 16 LSB bits are sent
mluis	0:91d1a7783bb9	116	*/
mluis	0:91d1a7783bb9	117	static uint32_t UpLinkCounter = 1;
mluis	0:91d1a7783bb9	118
mluis	0:91d1a7783bb9	119	/*!
mluis	0:91d1a7783bb9	120	* LoRaMAC frame counter. Each time a packet is received the counter is incremented.
mluis	0:91d1a7783bb9	121	* Only the 16 LSB bits are received
mluis	0:91d1a7783bb9	122	*/
mluis	0:91d1a7783bb9	123	static uint32_t DownLinkCounter = 0;
mluis	0:91d1a7783bb9	124
mluis	0:91d1a7783bb9	125	/*!
mluis	0:91d1a7783bb9	126	* IsPacketCounterFixed enables the MIC field tests by fixing the
mluis	0:91d1a7783bb9	127	* UpLinkCounter value
mluis	0:91d1a7783bb9	128	*/
mluis	0:91d1a7783bb9	129	static bool IsUpLinkCounterFixed = false;
mluis	0:91d1a7783bb9	130
mluis	0:91d1a7783bb9	131	/*!
mluis	0:91d1a7783bb9	132	* Used for test purposes. Disables the opening of the reception windows.
mluis	0:91d1a7783bb9	133	*/
mluis	0:91d1a7783bb9	134	static bool IsRxWindowsEnabled = true;
mluis	0:91d1a7783bb9	135
mluis	0:91d1a7783bb9	136	/*!
mluis	0:91d1a7783bb9	137	* Indicates if the MAC layer has already joined a network.
mluis	0:91d1a7783bb9	138	*/
mluis	0:91d1a7783bb9	139	static bool IsLoRaMacNetworkJoined = false;
mluis	0:91d1a7783bb9	140
mluis	0:91d1a7783bb9	141	/*!
mluis	0:91d1a7783bb9	142	* LoRaMac ADR control status
mluis	0:91d1a7783bb9	143	*/
mluis	0:91d1a7783bb9	144	static bool AdrCtrlOn = false;
mluis	0:91d1a7783bb9	145
mluis	0:91d1a7783bb9	146	/*!
mluis	0:91d1a7783bb9	147	* Counts the number of missed ADR acknowledgements
mluis	0:91d1a7783bb9	148	*/
mluis	0:91d1a7783bb9	149	static uint32_t AdrAckCounter = 0;
mluis	0:91d1a7783bb9	150
mluis	0:91d1a7783bb9	151	/*!
mluis	0:91d1a7783bb9	152	* If the node has sent a FRAME_TYPE_DATA_CONFIRMED_UP this variable indicates
mluis	0:91d1a7783bb9	153	* if the nodes needs to manage the server acknowledgement.
mluis	0:91d1a7783bb9	154	*/
mluis	0:91d1a7783bb9	155	static bool NodeAckRequested = false;
mluis	0:91d1a7783bb9	156
mluis	0:91d1a7783bb9	157	/*!
mluis	0:91d1a7783bb9	158	* If the server has sent a FRAME_TYPE_DATA_CONFIRMED_DOWN this variable indicates
mluis	0:91d1a7783bb9	159	* if the ACK bit must be set for the next transmission
mluis	0:91d1a7783bb9	160	*/
mluis	0:91d1a7783bb9	161	static bool SrvAckRequested = false;
mluis	0:91d1a7783bb9	162
mluis	0:91d1a7783bb9	163	/*!
mluis	0:91d1a7783bb9	164	* Indicates if the MAC layer wants to send MAC commands
mluis	0:91d1a7783bb9	165	*/
mluis	0:91d1a7783bb9	166	static bool MacCommandsInNextTx = false;
mluis	0:91d1a7783bb9	167
mluis	0:91d1a7783bb9	168	/*!
mluis	0:91d1a7783bb9	169	* Contains the current MacCommandsBuffer index
mluis	0:91d1a7783bb9	170	*/
mluis	0:91d1a7783bb9	171	static uint8_t MacCommandsBufferIndex = 0;
mluis	0:91d1a7783bb9	172
mluis	0:91d1a7783bb9	173	/*!
mluis	0:91d1a7783bb9	174	* Buffer containing the MAC layer commands
mluis	0:91d1a7783bb9	175	*/
mluis	0:91d1a7783bb9	176	static uint8_t MacCommandsBuffer[15];
mluis	0:91d1a7783bb9	177
mluis	0:91d1a7783bb9	178	#if defined( USE_BAND_433 )
mluis	0:91d1a7783bb9	179	/*!
mluis	0:91d1a7783bb9	180	* Data rates table definition
mluis	0:91d1a7783bb9	181	*/
mluis	0:91d1a7783bb9	182	const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
mluis	0:91d1a7783bb9	183
mluis	0:91d1a7783bb9	184	/*!
mluis	0:91d1a7783bb9	185	* Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis	0:91d1a7783bb9	186	*/
mluis	0:91d1a7783bb9	187	const uint8_t MaxPayloadOfDatarate[] = { 59, 59, 59, 123, 250, 250, 250, 250 };
mluis	0:91d1a7783bb9	188
mluis	0:91d1a7783bb9	189	/*!
mluis	0:91d1a7783bb9	190	* Maximum payload with respect to the datarate index. Can operate with repeater.
mluis	0:91d1a7783bb9	191	*/
mluis	0:91d1a7783bb9	192	const uint8_t MaxPayloadOfDatarateRepeater[] = { 59, 59, 59, 123, 230, 230, 230, 230 };
mluis	0:91d1a7783bb9	193
mluis	0:91d1a7783bb9	194	/*!
mluis	0:91d1a7783bb9	195	* Tx output powers table definition
mluis	0:91d1a7783bb9	196	*/
mluis	0:91d1a7783bb9	197	const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 };
mluis	0:91d1a7783bb9	198
mluis	0:91d1a7783bb9	199	/*!
mluis	0:91d1a7783bb9	200	* LoRaMac bands
mluis	0:91d1a7783bb9	201	*/
mluis	0:91d1a7783bb9	202	static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis	0:91d1a7783bb9	203	{
mluis	0:91d1a7783bb9	204	BAND0,
mluis	0:91d1a7783bb9	205	};
mluis	0:91d1a7783bb9	206
mluis	0:91d1a7783bb9	207	/*!
mluis	0:91d1a7783bb9	208	* LoRaMAC channels
mluis	0:91d1a7783bb9	209	*/
mluis	0:91d1a7783bb9	210	static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
mluis	0:91d1a7783bb9	211	{
mluis	0:91d1a7783bb9	212	LC1,
mluis	0:91d1a7783bb9	213	LC2,
mluis	0:91d1a7783bb9	214	LC3,
mluis	0:91d1a7783bb9	215	};
mluis	0:91d1a7783bb9	216	#elif defined( USE_BAND_780 )
mluis	0:91d1a7783bb9	217	/*!
mluis	0:91d1a7783bb9	218	* Data rates table definition
mluis	0:91d1a7783bb9	219	*/
mluis	0:91d1a7783bb9	220	const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
mluis	0:91d1a7783bb9	221
mluis	0:91d1a7783bb9	222	/*!
mluis	0:91d1a7783bb9	223	* Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis	0:91d1a7783bb9	224	*/
mluis	0:91d1a7783bb9	225	const uint8_t MaxPayloadOfDatarate[] = { 59, 59, 59, 123, 250, 250, 250, 250 };
mluis	0:91d1a7783bb9	226
mluis	0:91d1a7783bb9	227	/*!
mluis	0:91d1a7783bb9	228	* Maximum payload with respect to the datarate index. Can operate with repeater.
mluis	0:91d1a7783bb9	229	*/
mluis	0:91d1a7783bb9	230	const uint8_t MaxPayloadOfDatarateRepeater[] = { 59, 59, 59, 123, 230, 230, 230, 230 };
mluis	0:91d1a7783bb9	231
mluis	0:91d1a7783bb9	232	/*!
mluis	0:91d1a7783bb9	233	* Tx output powers table definition
mluis	0:91d1a7783bb9	234	*/
mluis	0:91d1a7783bb9	235	const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 };
mluis	0:91d1a7783bb9	236
mluis	0:91d1a7783bb9	237	/*!
mluis	0:91d1a7783bb9	238	* LoRaMac bands
mluis	0:91d1a7783bb9	239	*/
mluis	0:91d1a7783bb9	240	static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis	0:91d1a7783bb9	241	{
mluis	0:91d1a7783bb9	242	BAND0,
mluis	0:91d1a7783bb9	243	};
mluis	0:91d1a7783bb9	244
mluis	0:91d1a7783bb9	245	/*!
mluis	0:91d1a7783bb9	246	* LoRaMAC channels
mluis	0:91d1a7783bb9	247	*/
mluis	0:91d1a7783bb9	248	static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
mluis	0:91d1a7783bb9	249	{
mluis	0:91d1a7783bb9	250	LC1,
mluis	0:91d1a7783bb9	251	LC2,
mluis	0:91d1a7783bb9	252	LC3,
mluis	0:91d1a7783bb9	253	};
mluis	0:91d1a7783bb9	254	#elif defined( USE_BAND_868 )
mluis	0:91d1a7783bb9	255	/*!
mluis	0:91d1a7783bb9	256	* Data rates table definition
mluis	0:91d1a7783bb9	257	*/
mluis	0:91d1a7783bb9	258	const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
mluis	0:91d1a7783bb9	259
mluis	0:91d1a7783bb9	260	/*!
mluis	0:91d1a7783bb9	261	* Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis	0:91d1a7783bb9	262	*/
mluis	0:91d1a7783bb9	263	const uint8_t MaxPayloadOfDatarate[] = { 51, 51, 51, 115, 242, 242, 242, 242 };
mluis	0:91d1a7783bb9	264
mluis	0:91d1a7783bb9	265	/*!
mluis	0:91d1a7783bb9	266	* Maximum payload with respect to the datarate index. Can operate with repeater.
mluis	0:91d1a7783bb9	267	*/
mluis	0:91d1a7783bb9	268	const uint8_t MaxPayloadOfDatarateRepeater[] = { 51, 51, 51, 115, 222, 222, 222, 222 };
mluis	0:91d1a7783bb9	269
mluis	0:91d1a7783bb9	270	/*!
mluis	0:91d1a7783bb9	271	* Tx output powers table definition
mluis	0:91d1a7783bb9	272	*/
mluis	0:91d1a7783bb9	273	const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 };
mluis	0:91d1a7783bb9	274
mluis	0:91d1a7783bb9	275	/*!
mluis	0:91d1a7783bb9	276	* LoRaMac bands
mluis	0:91d1a7783bb9	277	*/
mluis	0:91d1a7783bb9	278	static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis	0:91d1a7783bb9	279	{
mluis	0:91d1a7783bb9	280	BAND0,
mluis	0:91d1a7783bb9	281	BAND1,
mluis	0:91d1a7783bb9	282	BAND2,
mluis	0:91d1a7783bb9	283	BAND3,
mluis	0:91d1a7783bb9	284	BAND4,
mluis	0:91d1a7783bb9	285	};
mluis	0:91d1a7783bb9	286
mluis	0:91d1a7783bb9	287	/*!
mluis	0:91d1a7783bb9	288	* LoRaMAC channels
mluis	0:91d1a7783bb9	289	*/
mluis	0:91d1a7783bb9	290	static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
mluis	0:91d1a7783bb9	291	{
mluis	0:91d1a7783bb9	292	LC1,
mluis	0:91d1a7783bb9	293	LC2,
mluis	0:91d1a7783bb9	294	LC3,
mluis	0:91d1a7783bb9	295	LC4,
mluis	0:91d1a7783bb9	296	LC5,
mluis	0:91d1a7783bb9	297	LC6,
mluis	0:91d1a7783bb9	298	LC7,
mluis	0:91d1a7783bb9	299	LC8,
mluis	0:91d1a7783bb9	300	LC9,
mluis	0:91d1a7783bb9	301	};
mluis	0:91d1a7783bb9	302	#elif defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	303	/*!
mluis	0:91d1a7783bb9	304	* Data rates table definition
mluis	0:91d1a7783bb9	305	*/
mluis	0:91d1a7783bb9	306	const uint8_t Datarates[] = { 10, 9, 8, 7, 8, 0, 0, 0, 12, 11, 10, 9, 8, 7, 0, 0 };
mluis	0:91d1a7783bb9	307
mluis	0:91d1a7783bb9	308	/*!
mluis	0:91d1a7783bb9	309	* Up/Down link data rates offset definition
mluis	0:91d1a7783bb9	310	*/
mluis	0:91d1a7783bb9	311	const int8_t datarateOffsets[16][4] =
mluis	0:91d1a7783bb9	312	{
mluis	0:91d1a7783bb9	313	{ DR_10, DR_9 , DR_8 , DR_8 }, // DR_0
mluis	0:91d1a7783bb9	314	{ DR_11, DR_10, DR_9 , DR_8 }, // DR_1
mluis	0:91d1a7783bb9	315	{ DR_12, DR_11, DR_10, DR_9 }, // DR_2
mluis	0:91d1a7783bb9	316	{ DR_13, DR_12, DR_11, DR_10 }, // DR_3
mluis	0:91d1a7783bb9	317	{ DR_13, DR_13, DR_12, DR_11 }, // DR_4
mluis	0:91d1a7783bb9	318	{ 0xFF , 0xFF , 0xFF , 0xFF },
mluis	0:91d1a7783bb9	319	{ 0xFF , 0xFF , 0xFF , 0xFF },
mluis	0:91d1a7783bb9	320	{ 0xFF , 0xFF , 0xFF , 0xFF },
mluis	0:91d1a7783bb9	321	{ DR_8 , DR_8 , DR_8 , DR_8 },
mluis	0:91d1a7783bb9	322	{ DR_9 , DR_8 , DR_8 , DR_8 },
mluis	0:91d1a7783bb9	323	{ DR_10, DR_9 , DR_8 , DR_8 },
mluis	0:91d1a7783bb9	324	{ DR_11, DR_10, DR_9 , DR_8 },
mluis	0:91d1a7783bb9	325	{ DR_12, DR_11, DR_10, DR_9 },
mluis	0:91d1a7783bb9	326	{ DR_13, DR_12, DR_11, DR_10 },
mluis	0:91d1a7783bb9	327	{ 0xFF , 0xFF , 0xFF , 0xFF },
mluis	0:91d1a7783bb9	328	{ 0xFF , 0xFF , 0xFF , 0xFF },
mluis	0:91d1a7783bb9	329	};
mluis	0:91d1a7783bb9	330
mluis	0:91d1a7783bb9	331	/*!
mluis	0:91d1a7783bb9	332	* Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis	0:91d1a7783bb9	333	*/
mluis	0:91d1a7783bb9	334	const uint8_t MaxPayloadOfDatarate[] = { 11, 53, 129, 242, 242, 0, 0, 0, 53, 129, 242, 242, 242, 242, 0, 0 };
mluis	0:91d1a7783bb9	335
mluis	0:91d1a7783bb9	336	/*!
mluis	0:91d1a7783bb9	337	* Maximum payload with respect to the datarate index. Can operate with repeater.
mluis	0:91d1a7783bb9	338	*/
mluis	0:91d1a7783bb9	339	const uint8_t MaxPayloadOfDatarateRepeater[] = { 11, 53, 129, 242, 242, 0, 0, 0, 33, 103, 222, 222, 222, 222, 0, 0 };
mluis	0:91d1a7783bb9	340
mluis	0:91d1a7783bb9	341	/*!
mluis	0:91d1a7783bb9	342	* Tx output powers table definition
mluis	0:91d1a7783bb9	343	*/
mluis	0:91d1a7783bb9	344	const int8_t TxPowers[] = { 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10 };
mluis	0:91d1a7783bb9	345
mluis	0:91d1a7783bb9	346	/*!
mluis	0:91d1a7783bb9	347	* LoRaMac bands
mluis	0:91d1a7783bb9	348	*/
mluis	0:91d1a7783bb9	349	static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis	0:91d1a7783bb9	350	{
mluis	0:91d1a7783bb9	351	BAND0,
mluis	0:91d1a7783bb9	352	};
mluis	0:91d1a7783bb9	353
mluis	0:91d1a7783bb9	354	/*!
mluis	0:91d1a7783bb9	355	* LoRaMAC channels
mluis	0:91d1a7783bb9	356	*/
mluis	0:91d1a7783bb9	357	static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS];
mluis	0:91d1a7783bb9	358
mluis	0:91d1a7783bb9	359	#else
mluis	0:91d1a7783bb9	360	#error "Please define a frequency band in the compiler options."
mluis	0:91d1a7783bb9	361	#endif
mluis	0:91d1a7783bb9	362
mluis	0:91d1a7783bb9	363	/*!
mluis	0:91d1a7783bb9	364	* LoRaMAC 2nd reception window settings
mluis	0:91d1a7783bb9	365	*/
mluis	0:91d1a7783bb9	366	static Rx2ChannelParams_t Rx2Channel = RX_WND_2_CHANNEL;
mluis	0:91d1a7783bb9	367
mluis	0:91d1a7783bb9	368	/*!
mluis	0:91d1a7783bb9	369	* Datarate offset between uplink and downlink on first window
mluis	0:91d1a7783bb9	370	*/
mluis	0:91d1a7783bb9	371	static uint8_t Rx1DrOffset = 0;
mluis	0:91d1a7783bb9	372
mluis	0:91d1a7783bb9	373	/*!
mluis	0:91d1a7783bb9	374	* Mask indicating which channels are enabled
mluis	0:91d1a7783bb9	375	*/
mluis	0:91d1a7783bb9	376	static uint16_t ChannelsMask[6];
mluis	0:91d1a7783bb9	377
mluis	0:91d1a7783bb9	378	/*!
mluis	0:91d1a7783bb9	379	* Channels Tx output power
mluis	0:91d1a7783bb9	380	*/
mluis	0:91d1a7783bb9	381	static int8_t ChannelsTxPower = LORAMAC_DEFAULT_TX_POWER;
mluis	0:91d1a7783bb9	382
mluis	0:91d1a7783bb9	383	/*!
mluis	0:91d1a7783bb9	384	* Channels datarate
mluis	0:91d1a7783bb9	385	*/
mluis	0:91d1a7783bb9	386	static int8_t ChannelsDatarate = LORAMAC_DEFAULT_DATARATE;
mluis	0:91d1a7783bb9	387
mluis	0:91d1a7783bb9	388	/*!
mluis	0:91d1a7783bb9	389	* Channels default datarate
mluis	0:91d1a7783bb9	390	*/
mluis	0:91d1a7783bb9	391	static int8_t ChannelsDefaultDatarate = LORAMAC_DEFAULT_DATARATE;
mluis	0:91d1a7783bb9	392
mluis	0:91d1a7783bb9	393	/*!
mluis	0:91d1a7783bb9	394	* Number of uplink messages repetitions [1:15] (unconfirmed messages only)
mluis	0:91d1a7783bb9	395	*/
mluis	0:91d1a7783bb9	396	static uint8_t ChannelsNbRep = 1;
mluis	0:91d1a7783bb9	397
mluis	0:91d1a7783bb9	398	/*!
mluis	0:91d1a7783bb9	399	* Uplink messages repetitions counter
mluis	0:91d1a7783bb9	400	*/
mluis	0:91d1a7783bb9	401	static uint8_t ChannelsNbRepCounter = 0;
mluis	0:91d1a7783bb9	402
mluis	0:91d1a7783bb9	403	/*!
mluis	0:91d1a7783bb9	404	* Maximum duty cycle
mluis	0:91d1a7783bb9	405	* \remark Possibility to shutdown the device.
mluis	0:91d1a7783bb9	406	*/
mluis	0:91d1a7783bb9	407	static uint8_t MaxDCycle = 0;
mluis	0:91d1a7783bb9	408
mluis	0:91d1a7783bb9	409	/*!
mluis	0:91d1a7783bb9	410	* Agregated duty cycle management
mluis	0:91d1a7783bb9	411	*/
mluis	0:91d1a7783bb9	412	static uint16_t AggregatedDCycle;
mluis	0:91d1a7783bb9	413	static TimerTime_t AggregatedLastTxDoneTime;
mluis	0:91d1a7783bb9	414	static TimerTime_t AggregatedTimeOff;
mluis	0:91d1a7783bb9	415
mluis	0:91d1a7783bb9	416	/*!
mluis	0:91d1a7783bb9	417	* Enables/Disables duty cycle management (Test only)
mluis	0:91d1a7783bb9	418	*/
mluis	0:91d1a7783bb9	419	static bool DutyCycleOn;
mluis	0:91d1a7783bb9	420
mluis	0:91d1a7783bb9	421	/*!
mluis	0:91d1a7783bb9	422	* Current channel index
mluis	0:91d1a7783bb9	423	*/
mluis	0:91d1a7783bb9	424	static uint8_t Channel;
mluis	0:91d1a7783bb9	425
mluis	0:91d1a7783bb9	426	/*!
mluis	0:91d1a7783bb9	427	* LoRaMac internal states
mluis	0:91d1a7783bb9	428	*/
mluis	0:91d1a7783bb9	429	enum LoRaMacState_e
mluis	0:91d1a7783bb9	430	{
mluis	0:91d1a7783bb9	431	MAC_IDLE = 0x00000000,
mluis	0:91d1a7783bb9	432	MAC_TX_RUNNING = 0x00000001,
mluis	0:91d1a7783bb9	433	MAC_RX = 0x00000002,
mluis	0:91d1a7783bb9	434	MAC_ACK_REQ = 0x00000004,
mluis	0:91d1a7783bb9	435	MAC_ACK_RETRY = 0x00000008,
mluis	0:91d1a7783bb9	436	MAC_CHANNEL_CHECK = 0x00000010,
mluis	0:91d1a7783bb9	437	};
mluis	0:91d1a7783bb9	438
mluis	0:91d1a7783bb9	439	/*!
mluis	0:91d1a7783bb9	440	* LoRaMac internal state
mluis	0:91d1a7783bb9	441	*/
mluis	0:91d1a7783bb9	442	uint32_t LoRaMacState = MAC_IDLE;
mluis	0:91d1a7783bb9	443
mluis	0:91d1a7783bb9	444	/*!
mluis	0:91d1a7783bb9	445	* LoRaMac timer used to check the LoRaMacState (runs every second)
mluis	0:91d1a7783bb9	446	*/
mluis	0:91d1a7783bb9	447	static TimerEvent_t MacStateCheckTimer;
mluis	0:91d1a7783bb9	448
mluis	0:91d1a7783bb9	449	/*!
mluis	0:91d1a7783bb9	450	* LoRaMac upper layer event functions
mluis	0:91d1a7783bb9	451	*/
mluis	0:91d1a7783bb9	452	static LoRaMacEvent_t *LoRaMacEvents;
mluis	0:91d1a7783bb9	453
mluis	0:91d1a7783bb9	454	/*!
mluis	0:91d1a7783bb9	455	* LoRaMac notification event flags
mluis	0:91d1a7783bb9	456	*/
mluis	0:91d1a7783bb9	457	LoRaMacEventFlags_t LoRaMacEventFlags;
mluis	0:91d1a7783bb9	458
mluis	0:91d1a7783bb9	459	/*!
mluis	0:91d1a7783bb9	460	* LoRaMac notification event info
mluis	0:91d1a7783bb9	461	*/
mluis	0:91d1a7783bb9	462	LoRaMacEventInfo_t LoRaMacEventInfo;
mluis	0:91d1a7783bb9	463
mluis	0:91d1a7783bb9	464	/*!
mluis	0:91d1a7783bb9	465	* LoRaMac channel check timer
mluis	0:91d1a7783bb9	466	*/
mluis	0:91d1a7783bb9	467	static TimerEvent_t ChannelCheckTimer;
mluis	0:91d1a7783bb9	468
mluis	0:91d1a7783bb9	469	/*!
mluis	0:91d1a7783bb9	470	* LoRaMac duty cycle delayed Tx timer
mluis	0:91d1a7783bb9	471	*/
mluis	0:91d1a7783bb9	472	static TimerEvent_t TxDelayedTimer;
mluis	0:91d1a7783bb9	473
mluis	0:91d1a7783bb9	474	/*!
mluis	0:91d1a7783bb9	475	* LoRaMac reception windows timers
mluis	0:91d1a7783bb9	476	*/
mluis	0:91d1a7783bb9	477	static TimerEvent_t RxWindowTimer1;
mluis	0:91d1a7783bb9	478	static TimerEvent_t RxWindowTimer2;
mluis	0:91d1a7783bb9	479
mluis	0:91d1a7783bb9	480	/*!
mluis	0:91d1a7783bb9	481	* LoRaMac reception windows delay from end of Tx
mluis	0:91d1a7783bb9	482	*/
mluis	0:91d1a7783bb9	483	static uint32_t ReceiveDelay1;
mluis	0:91d1a7783bb9	484	static uint32_t ReceiveDelay2;
mluis	0:91d1a7783bb9	485	static uint32_t JoinAcceptDelay1;
mluis	0:91d1a7783bb9	486	static uint32_t JoinAcceptDelay2;
mluis	0:91d1a7783bb9	487
mluis	0:91d1a7783bb9	488	/*!
mluis	0:91d1a7783bb9	489	* LoRaMac reception windows delay
mluis	0:91d1a7783bb9	490	* \remark normal frame: RxWindowXDelay = ReceiveDelayX - RADIO_WAKEUP_TIME
mluis	0:91d1a7783bb9	491	* join frame : RxWindowXDelay = JoinAcceptDelayX - RADIO_WAKEUP_TIME
mluis	0:91d1a7783bb9	492	*/
mluis	0:91d1a7783bb9	493	static uint32_t RxWindow1Delay;
mluis	0:91d1a7783bb9	494	static uint32_t RxWindow2Delay;
mluis	0:91d1a7783bb9	495
mluis	0:91d1a7783bb9	496	/*!
mluis	0:91d1a7783bb9	497	* LoRaMac maximum time a reception window stays open
mluis	0:91d1a7783bb9	498	*/
mluis	0:91d1a7783bb9	499	static uint32_t MaxRxWindow;
mluis	0:91d1a7783bb9	500
mluis	0:91d1a7783bb9	501	/*!
mluis	0:91d1a7783bb9	502	* Acknowledge timeout timer. Used for packet retransmissions.
mluis	0:91d1a7783bb9	503	*/
mluis	0:91d1a7783bb9	504	static TimerEvent_t AckTimeoutTimer;
mluis	0:91d1a7783bb9	505
mluis	0:91d1a7783bb9	506	/*!
mluis	0:91d1a7783bb9	507	* Number of trials to get a frame acknowledged
mluis	0:91d1a7783bb9	508	*/
mluis	0:91d1a7783bb9	509	static uint8_t AckTimeoutRetries = 1;
mluis	0:91d1a7783bb9	510
mluis	0:91d1a7783bb9	511	/*!
mluis	0:91d1a7783bb9	512	* Number of trials to get a frame acknowledged
mluis	0:91d1a7783bb9	513	*/
mluis	0:91d1a7783bb9	514	static uint8_t AckTimeoutRetriesCounter = 1;
mluis	0:91d1a7783bb9	515
mluis	0:91d1a7783bb9	516	/*!
mluis	0:91d1a7783bb9	517	* Indicates if the AckTimeout timer has expired or not
mluis	0:91d1a7783bb9	518	*/
mluis	0:91d1a7783bb9	519	static bool AckTimeoutRetry = false;
mluis	0:91d1a7783bb9	520
mluis	0:91d1a7783bb9	521	/*!
mluis	0:91d1a7783bb9	522	* Last transmission time on air
mluis	0:91d1a7783bb9	523	*/
mluis	0:91d1a7783bb9	524	TimerTime_t TxTimeOnAir = 0;
mluis	0:91d1a7783bb9	525
mluis	0:91d1a7783bb9	526	/*!
mluis	0:91d1a7783bb9	527	* Function to be executed on Radio Tx Done event
mluis	0:91d1a7783bb9	528	*/
mluis	0:91d1a7783bb9	529	static void OnRadioTxDone( void );
mluis	0:91d1a7783bb9	530
mluis	0:91d1a7783bb9	531	/*!
mluis	0:91d1a7783bb9	532	* Function to be executed on Radio Rx Done event
mluis	0:91d1a7783bb9	533	*/
mluis	0:91d1a7783bb9	534	static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
mluis	0:91d1a7783bb9	535
mluis	0:91d1a7783bb9	536	/*!
mluis	0:91d1a7783bb9	537	* Function executed on Radio Tx Timeout event
mluis	0:91d1a7783bb9	538	*/
mluis	0:91d1a7783bb9	539	static void OnRadioTxTimeout( void );
mluis	0:91d1a7783bb9	540
mluis	0:91d1a7783bb9	541	/*!
mluis	0:91d1a7783bb9	542	* Function executed on Radio Rx error event
mluis	0:91d1a7783bb9	543	*/
mluis	0:91d1a7783bb9	544	static void OnRadioRxError( void );
mluis	0:91d1a7783bb9	545
mluis	0:91d1a7783bb9	546	/*!
mluis	0:91d1a7783bb9	547	* Function executed on Radio Rx Timeout event
mluis	0:91d1a7783bb9	548	*/
mluis	0:91d1a7783bb9	549	static void OnRadioRxTimeout( void );
mluis	0:91d1a7783bb9	550
mluis	0:91d1a7783bb9	551	/*!
mluis	0:91d1a7783bb9	552	* Function executed on Resend Frame timer event.
mluis	0:91d1a7783bb9	553	*/
mluis	0:91d1a7783bb9	554	static void OnMacStateCheckTimerEvent( void );
mluis	0:91d1a7783bb9	555
mluis	0:91d1a7783bb9	556	/*!
mluis	0:91d1a7783bb9	557	* Function executed on duty cycle delayed Tx timer event
mluis	0:91d1a7783bb9	558	*/
mluis	0:91d1a7783bb9	559	static void OnTxDelayedTimerEvent( void );
mluis	0:91d1a7783bb9	560
mluis	0:91d1a7783bb9	561	/*!
mluis	0:91d1a7783bb9	562	* Function executed on channel check timer event
mluis	0:91d1a7783bb9	563	*/
mluis	0:91d1a7783bb9	564	static void OnChannelCheckTimerEvent( void );
mluis	0:91d1a7783bb9	565
mluis	0:91d1a7783bb9	566	/*!
mluis	0:91d1a7783bb9	567	* Function executed on first Rx window timer event
mluis	0:91d1a7783bb9	568	*/
mluis	0:91d1a7783bb9	569	static void OnRxWindow1TimerEvent( void );
mluis	0:91d1a7783bb9	570
mluis	0:91d1a7783bb9	571	/*!
mluis	0:91d1a7783bb9	572	* Function executed on second Rx window timer event
mluis	0:91d1a7783bb9	573	*/
mluis	0:91d1a7783bb9	574	static void OnRxWindow2TimerEvent( void );
mluis	0:91d1a7783bb9	575
mluis	0:91d1a7783bb9	576	/*!
mluis	0:91d1a7783bb9	577	* Function executed on AckTimeout timer event
mluis	0:91d1a7783bb9	578	*/
mluis	0:91d1a7783bb9	579	static void OnAckTimeoutTimerEvent( void );
mluis	0:91d1a7783bb9	580
mluis	0:91d1a7783bb9	581	/*!
mluis	0:91d1a7783bb9	582	* Radio events function pointer
mluis	0:91d1a7783bb9	583	*/
mluis	0:91d1a7783bb9	584	//static RadioEvents_t RadioEvents;
mluis	0:91d1a7783bb9	585	SX1276MB1xAS Radio( OnRadioTxDone, OnRadioTxTimeout, OnRadioRxDone, OnRadioRxTimeout, OnRadioRxError, NULL, NULL );
mluis	0:91d1a7783bb9	586
mluis	0:91d1a7783bb9	587	/*!
mluis	0:91d1a7783bb9	588	* \brief Validates if the payload fits into the frame, taking the datarate
mluis	0:91d1a7783bb9	589	* into account.
mluis	0:91d1a7783bb9	590	*
mluis	0:91d1a7783bb9	591	* \details Refer to chapter 4.3.2 of the LoRaWAN specification, v1.0
mluis	0:91d1a7783bb9	592	*
mluis	0:91d1a7783bb9	593	* \param lenN Length of the application payload. The length depends on the
mluis	0:91d1a7783bb9	594	* datarate and is region specific
mluis	0:91d1a7783bb9	595	*
mluis	0:91d1a7783bb9	596	* \param datarate Current datarate
mluis	0:91d1a7783bb9	597	*
mluis	0:91d1a7783bb9	598	* \retval [false: payload does not fit into the frame, true: payload fits into
mluis	0:91d1a7783bb9	599	* the frame]
mluis	0:91d1a7783bb9	600	*/
mluis	0:91d1a7783bb9	601	static bool ValidatePayloadLength( uint8_t lenN, int8_t datarate );
mluis	0:91d1a7783bb9	602
mluis	0:91d1a7783bb9	603	#if defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	604	/*!
mluis	0:91d1a7783bb9	605	* \brief Counts the number of enabled 125 kHz channels in the channel mask.
mluis	0:91d1a7783bb9	606	* This function can only be applied to US915 band.
mluis	0:91d1a7783bb9	607	*
mluis	0:91d1a7783bb9	608	* \param channelsMask Pointer to the first element of the channel mask
mluis	0:91d1a7783bb9	609	*
mluis	0:91d1a7783bb9	610	* \retval Number of enabled channels in the channel mask
mluis	0:91d1a7783bb9	611	*/
mluis	0:91d1a7783bb9	612	static uint8_t CountNbEnabled125kHzChannels( uint16_t *channelsMask );
mluis	0:91d1a7783bb9	613	#endif
mluis	0:91d1a7783bb9	614
mluis	0:91d1a7783bb9	615	/*!
mluis	0:91d1a7783bb9	616	* \brief Limits the Tx power according to the number of enabled channels
mluis	0:91d1a7783bb9	617	*
mluis	0:91d1a7783bb9	618	* \retval Returns the maximum valid tx power
mluis	0:91d1a7783bb9	619	*/
mluis	0:91d1a7783bb9	620	static int8_t LimitTxPower( int8_t txPower );
mluis	0:91d1a7783bb9	621
mluis	0:91d1a7783bb9	622	/*!
mluis	0:91d1a7783bb9	623	* Searches and set the next random available channel
mluis	0:91d1a7783bb9	624	*
mluis	0:91d1a7783bb9	625	* \retval status Function status [0: OK, 1: Unable to find a free channel]
mluis	0:91d1a7783bb9	626	*/
mluis	0:91d1a7783bb9	627	static uint8_t LoRaMacSetNextChannel( void )
mluis	0:91d1a7783bb9	628	{
mluis	0:91d1a7783bb9	629	uint8_t i = 0;
mluis	0:91d1a7783bb9	630	uint8_t j = 0;
mluis	0:91d1a7783bb9	631	uint8_t k = 0;
mluis	0:91d1a7783bb9	632	uint8_t nbEnabledChannels = 0;
mluis	0:91d1a7783bb9	633	uint8_t enabledChannels[LORA_MAX_NB_CHANNELS];
mluis	0:91d1a7783bb9	634	TimerTime_t curTime = TimerGetCurrentTime( );
mluis	0:91d1a7783bb9	635
mluis	0:91d1a7783bb9	636	memset( enabledChannels, 0, LORA_MAX_NB_CHANNELS );
mluis	0:91d1a7783bb9	637
mluis	0:91d1a7783bb9	638	// Update Aggregated duty cycle
mluis	0:91d1a7783bb9	639	if( AggregatedTimeOff < ( curTime - AggregatedLastTxDoneTime ) )
mluis	0:91d1a7783bb9	640	{
mluis	0:91d1a7783bb9	641	AggregatedTimeOff = 0;
mluis	0:91d1a7783bb9	642	}
mluis	0:91d1a7783bb9	643
mluis	0:91d1a7783bb9	644	// Update bands Time OFF
mluis	0:91d1a7783bb9	645	TimerTime_t minTime = ( TimerTime_t )( -1 );
mluis	0:91d1a7783bb9	646	for( i = 0; i < LORA_MAX_NB_BANDS; i++ )
mluis	0:91d1a7783bb9	647	{
mluis	0:91d1a7783bb9	648	if( DutyCycleOn == true )
mluis	0:91d1a7783bb9	649	{
mluis	0:91d1a7783bb9	650	if( Bands[i].TimeOff < ( curTime - Bands[i].LastTxDoneTime ) )
mluis	0:91d1a7783bb9	651	{
mluis	0:91d1a7783bb9	652	Bands[i].TimeOff = 0;
mluis	0:91d1a7783bb9	653	}
mluis	0:91d1a7783bb9	654	if( Bands[i].TimeOff != 0 )
mluis	0:91d1a7783bb9	655	{
mluis	0:91d1a7783bb9	656	minTime = MIN( Bands[i].TimeOff, minTime );
mluis	0:91d1a7783bb9	657	}
mluis	0:91d1a7783bb9	658	}
mluis	0:91d1a7783bb9	659	else
mluis	0:91d1a7783bb9	660	{
mluis	0:91d1a7783bb9	661	minTime = 0;
mluis	0:91d1a7783bb9	662	Bands[i].TimeOff = 0;
mluis	0:91d1a7783bb9	663	}
mluis	0:91d1a7783bb9	664	}
mluis	0:91d1a7783bb9	665
mluis	0:91d1a7783bb9	666	// Search how many channels are enabled
mluis	0:91d1a7783bb9	667	for( i = 0, k = 0; i < LORA_MAX_NB_CHANNELS; i += 16, k++ )
mluis	0:91d1a7783bb9	668	{
mluis	0:91d1a7783bb9	669	for( j = 0; j < 16; j++ )
mluis	0:91d1a7783bb9	670	{
mluis	0:91d1a7783bb9	671	if( ( ChannelsMask[k] & ( 1 << j ) ) != 0 )
mluis	0:91d1a7783bb9	672	{
mluis	0:91d1a7783bb9	673	if( Channels[i + j].Frequency == 0 )
mluis	0:91d1a7783bb9	674	{ // Check if the channel is enabled
mluis	0:91d1a7783bb9	675	continue;
mluis	0:91d1a7783bb9	676	}
mluis	0:91d1a7783bb9	677	if( ( ( Channels[i + j].DrRange.Fields.Min <= ChannelsDatarate ) &&
mluis	0:91d1a7783bb9	678	( ChannelsDatarate <= Channels[i + j].DrRange.Fields.Max ) ) == false )
mluis	0:91d1a7783bb9	679	{ // Check if the current channel selection supports the given datarate
mluis	0:91d1a7783bb9	680	continue;
mluis	0:91d1a7783bb9	681	}
mluis	0:91d1a7783bb9	682	if( Bands[Channels[i + j].Band].TimeOff > 0 )
mluis	0:91d1a7783bb9	683	{ // Check if the band is available for transmission
mluis	0:91d1a7783bb9	684	continue;
mluis	0:91d1a7783bb9	685	}
mluis	0:91d1a7783bb9	686	if( AggregatedTimeOff > 0 )
mluis	0:91d1a7783bb9	687	{ // Check if there is time available for transmission
mluis	0:91d1a7783bb9	688	continue;
mluis	0:91d1a7783bb9	689	}
mluis	0:91d1a7783bb9	690	enabledChannels[nbEnabledChannels++] = i + j;
mluis	0:91d1a7783bb9	691	}
mluis	0:91d1a7783bb9	692	}
mluis	0:91d1a7783bb9	693	}
mluis	0:91d1a7783bb9	694	if( nbEnabledChannels > 0 )
mluis	0:91d1a7783bb9	695	{
mluis	0:91d1a7783bb9	696	Channel = enabledChannels[randr( 0, nbEnabledChannels - 1 )];
mluis	0:91d1a7783bb9	697	LoRaMacState &= ~MAC_CHANNEL_CHECK;
mluis	0:91d1a7783bb9	698	TimerStop( &ChannelCheckTimer );
mluis	0:91d1a7783bb9	699	return 0;
mluis	0:91d1a7783bb9	700	}
mluis	0:91d1a7783bb9	701	// No free channel found.
mluis	0:91d1a7783bb9	702	// Check again
mluis	0:91d1a7783bb9	703	if( ( LoRaMacState & MAC_CHANNEL_CHECK ) == 0 )
mluis	0:91d1a7783bb9	704	{
mluis	0:91d1a7783bb9	705	TimerSetValue( &ChannelCheckTimer, minTime );
mluis	0:91d1a7783bb9	706	TimerStart( &ChannelCheckTimer );
mluis	0:91d1a7783bb9	707	LoRaMacState \|= MAC_CHANNEL_CHECK;
mluis	0:91d1a7783bb9	708	}
mluis	0:91d1a7783bb9	709	return 1;
mluis	0:91d1a7783bb9	710	}
mluis	0:91d1a7783bb9	711
mluis	0:91d1a7783bb9	712	/*
mluis	0:91d1a7783bb9	713	* TODO: Add documentation
mluis	0:91d1a7783bb9	714	*/
mluis	0:91d1a7783bb9	715	void OnChannelCheckTimerEvent( void )
mluis	0:91d1a7783bb9	716	{
mluis	0:91d1a7783bb9	717	TimerStop( &ChannelCheckTimer );
mluis	0:91d1a7783bb9	718
mluis	0:91d1a7783bb9	719	LoRaMacState &= ~MAC_CHANNEL_CHECK;
mluis	0:91d1a7783bb9	720	if( LoRaMacSetNextChannel( ) == 0 )
mluis	0:91d1a7783bb9	721	{
mluis	0:91d1a7783bb9	722	if( ( LoRaMacState & MAC_TX_RUNNING ) == MAC_TX_RUNNING )
mluis	0:91d1a7783bb9	723	{
mluis	0:91d1a7783bb9	724	LoRaMacSendFrameOnChannel( Channels[Channel] );
mluis	0:91d1a7783bb9	725	}
mluis	0:91d1a7783bb9	726	}
mluis	0:91d1a7783bb9	727	}
mluis	0:91d1a7783bb9	728
mluis	0:91d1a7783bb9	729	/*!
mluis	0:91d1a7783bb9	730	* Adds a new MAC command to be sent.
mluis	0:91d1a7783bb9	731	*
mluis	0:91d1a7783bb9	732	* \Remark MAC layer internal function
mluis	0:91d1a7783bb9	733	*
mluis	0:91d1a7783bb9	734	* \param [in] cmd MAC command to be added
mluis	0:91d1a7783bb9	735	* [MOTE_MAC_LINK_CHECK_REQ,
mluis	0:91d1a7783bb9	736	* MOTE_MAC_LINK_ADR_ANS,
mluis	0:91d1a7783bb9	737	* MOTE_MAC_DUTY_CYCLE_ANS,
mluis	0:91d1a7783bb9	738	* MOTE_MAC_RX2_PARAM_SET_ANS,
mluis	0:91d1a7783bb9	739	* MOTE_MAC_DEV_STATUS_ANS
mluis	0:91d1a7783bb9	740	* MOTE_MAC_NEW_CHANNEL_ANS]
mluis	0:91d1a7783bb9	741	* \param [in] p1 1st parameter ( optional depends on the command )
mluis	0:91d1a7783bb9	742	* \param [in] p2 2nd parameter ( optional depends on the command )
mluis	0:91d1a7783bb9	743	*
mluis	0:91d1a7783bb9	744	* \retval status Function status [0: OK, 1: Unknown command, 2: Buffer full]
mluis	0:91d1a7783bb9	745	*/
mluis	0:91d1a7783bb9	746	static uint8_t AddMacCommand( uint8_t cmd, uint8_t p1, uint8_t p2 )
mluis	0:91d1a7783bb9	747	{
mluis	0:91d1a7783bb9	748	MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis	0:91d1a7783bb9	749	switch( cmd )
mluis	0:91d1a7783bb9	750	{
mluis	0:91d1a7783bb9	751	case MOTE_MAC_LINK_CHECK_REQ:
mluis	0:91d1a7783bb9	752	// No payload for this command
mluis	0:91d1a7783bb9	753	break;
mluis	0:91d1a7783bb9	754	case MOTE_MAC_LINK_ADR_ANS:
mluis	0:91d1a7783bb9	755	// Margin
mluis	0:91d1a7783bb9	756	MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis	0:91d1a7783bb9	757	break;
mluis	0:91d1a7783bb9	758	case MOTE_MAC_DUTY_CYCLE_ANS:
mluis	0:91d1a7783bb9	759	// No payload for this answer
mluis	0:91d1a7783bb9	760	break;
mluis	0:91d1a7783bb9	761	case MOTE_MAC_RX_PARAM_SETUP_ANS:
mluis	0:91d1a7783bb9	762	// Status: Datarate ACK, Channel ACK
mluis	0:91d1a7783bb9	763	MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis	0:91d1a7783bb9	764	break;
mluis	0:91d1a7783bb9	765	case MOTE_MAC_DEV_STATUS_ANS:
mluis	0:91d1a7783bb9	766	// 1st byte Battery
mluis	0:91d1a7783bb9	767	// 2nd byte Margin
mluis	0:91d1a7783bb9	768	MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis	0:91d1a7783bb9	769	MacCommandsBuffer[MacCommandsBufferIndex++] = p2;
mluis	0:91d1a7783bb9	770	break;
mluis	0:91d1a7783bb9	771	case MOTE_MAC_NEW_CHANNEL_ANS:
mluis	0:91d1a7783bb9	772	// Status: Datarate range OK, Channel frequency OK
mluis	0:91d1a7783bb9	773	MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis	0:91d1a7783bb9	774	break;
mluis	0:91d1a7783bb9	775	case MOTE_MAC_RX_TIMING_SETUP_ANS:
mluis	0:91d1a7783bb9	776	// No payload for this answer
mluis	0:91d1a7783bb9	777	break;
mluis	0:91d1a7783bb9	778	default:
mluis	0:91d1a7783bb9	779	return 1;
mluis	0:91d1a7783bb9	780	}
mluis	0:91d1a7783bb9	781	if( MacCommandsBufferIndex <= 15 )
mluis	0:91d1a7783bb9	782	{
mluis	0:91d1a7783bb9	783	MacCommandsInNextTx = true;
mluis	0:91d1a7783bb9	784	return 0;
mluis	0:91d1a7783bb9	785	}
mluis	0:91d1a7783bb9	786	else
mluis	0:91d1a7783bb9	787	{
mluis	0:91d1a7783bb9	788	return 2;
mluis	0:91d1a7783bb9	789	}
mluis	0:91d1a7783bb9	790	}
mluis	0:91d1a7783bb9	791
mluis	0:91d1a7783bb9	792	// TODO: Add Documentation
mluis	0:91d1a7783bb9	793	static void LoRaMacNotify( LoRaMacEventFlags_t flags, LoRaMacEventInfo_t info )
mluis	0:91d1a7783bb9	794	{
mluis	0:91d1a7783bb9	795	if( ( LoRaMacEvents != NULL ) && ( LoRaMacEvents->MacEvent != NULL ) )
mluis	0:91d1a7783bb9	796	{
mluis	0:91d1a7783bb9	797	LoRaMacEvents->MacEvent( flags, info );
mluis	0:91d1a7783bb9	798	}
mluis	0:91d1a7783bb9	799	flags->Value = 0;
mluis	0:91d1a7783bb9	800	}
mluis	0:91d1a7783bb9	801
mluis	0:91d1a7783bb9	802	typedef uint8_t ( *GetBatteryLevel )( );
mluis	0:91d1a7783bb9	803	GetBatteryLevel LoRaMacGetBatteryLevel;
mluis	0:91d1a7783bb9	804
mluis	0:91d1a7783bb9	805	void LoRaMacInit( LoRaMacEvent_t events, uint8_t ( getBatteryLevel )( ) )
mluis	0:91d1a7783bb9	806	{
mluis	0:91d1a7783bb9	807	LoRaMacEvents = events;
mluis	0:91d1a7783bb9	808
mluis	0:91d1a7783bb9	809	LoRaMacEventFlags.Value = 0;
mluis	0:91d1a7783bb9	810
mluis	0:91d1a7783bb9	811	LoRaMacEventInfo.TxAckReceived = false;
mluis	0:91d1a7783bb9	812	LoRaMacEventInfo.TxNbRetries = 0;
mluis	0:91d1a7783bb9	813	LoRaMacEventInfo.TxDatarate = 7;
mluis	0:91d1a7783bb9	814	LoRaMacEventInfo.RxPort = 1;
mluis	0:91d1a7783bb9	815	LoRaMacEventInfo.RxBuffer = NULL;
mluis	0:91d1a7783bb9	816	LoRaMacEventInfo.RxBufferSize = 0;
mluis	0:91d1a7783bb9	817	LoRaMacEventInfo.RxRssi = 0;
mluis	0:91d1a7783bb9	818	LoRaMacEventInfo.RxSnr = 0;
mluis	0:91d1a7783bb9	819	LoRaMacEventInfo.Energy = 0;
mluis	0:91d1a7783bb9	820	LoRaMacEventInfo.DemodMargin = 0;
mluis	0:91d1a7783bb9	821	LoRaMacEventInfo.NbGateways = 0;
mluis	0:91d1a7783bb9	822	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis	0:91d1a7783bb9	823
mluis	0:91d1a7783bb9	824	LoRaMacGetBatteryLevel = getBatteryLevel;
mluis	0:91d1a7783bb9	825
mluis	0:91d1a7783bb9	826	LoRaMacDeviceClass = CLASS_A;
mluis	0:91d1a7783bb9	827
mluis	0:91d1a7783bb9	828	UpLinkCounter = 1;
mluis	0:91d1a7783bb9	829	DownLinkCounter = 0;
mluis	0:91d1a7783bb9	830
mluis	0:91d1a7783bb9	831	IsLoRaMacNetworkJoined = false;
mluis	0:91d1a7783bb9	832	LoRaMacState = MAC_IDLE;
mluis	0:91d1a7783bb9	833
mluis	0:91d1a7783bb9	834	#if defined( USE_BAND_433 )
mluis	0:91d1a7783bb9	835	ChannelsMask[0] = LC( 1 ) + LC( 2 ) + LC( 3 );
mluis	0:91d1a7783bb9	836	#elif defined( USE_BAND_780 )
mluis	0:91d1a7783bb9	837	ChannelsMask[0] = LC( 1 ) + LC( 2 ) + LC( 3 );
mluis	0:91d1a7783bb9	838	#elif defined( USE_BAND_868 )
mluis	0:91d1a7783bb9	839	ChannelsMask[0] = LC( 1 ) + LC( 2 ) + LC( 3 );
mluis	0:91d1a7783bb9	840	#elif defined( USE_BAND_915 )
mluis	0:91d1a7783bb9	841	ChannelsMask[0] = 0xFFFF;
mluis	0:91d1a7783bb9	842	ChannelsMask[1] = 0xFFFF;
mluis	0:91d1a7783bb9	843	ChannelsMask[2] = 0xFFFF;
mluis	0:91d1a7783bb9	844	ChannelsMask[3] = 0xFFFF;
mluis	0:91d1a7783bb9	845	ChannelsMask[4] = 0x00FF;
mluis	0:91d1a7783bb9	846	ChannelsMask[5] = 0x0000;
mluis	0:91d1a7783bb9	847	#elif defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	848	ChannelsMask[0] = 0x00FF;
mluis	0:91d1a7783bb9	849	ChannelsMask[1] = 0x0000;
mluis	0:91d1a7783bb9	850	ChannelsMask[2] = 0x0000;
mluis	0:91d1a7783bb9	851	ChannelsMask[3] = 0x0000;
mluis	0:91d1a7783bb9	852	ChannelsMask[4] = 0x0001;
mluis	0:91d1a7783bb9	853	ChannelsMask[5] = 0x0000;
mluis	0:91d1a7783bb9	854	#else
mluis	0:91d1a7783bb9	855	#error "Please define a frequency band in the compiler options."
mluis	0:91d1a7783bb9	856	#endif
mluis	0:91d1a7783bb9	857
mluis	0:91d1a7783bb9	858	#if defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	859	// 125 kHz channels
mluis	0:91d1a7783bb9	860	for( uint8_t i = 0; i < LORA_MAX_NB_CHANNELS - 8; i++ )
mluis	0:91d1a7783bb9	861	{
mluis	0:91d1a7783bb9	862	Channels[i].Frequency = 902.3e6 + i * 200e3;
mluis	0:91d1a7783bb9	863	Channels[i].DrRange.Value = ( DR_3 << 4 ) \| DR_0;
mluis	0:91d1a7783bb9	864	Channels[i].Band = 0;
mluis	0:91d1a7783bb9	865	}
mluis	0:91d1a7783bb9	866	// 500 kHz channels
mluis	0:91d1a7783bb9	867	for( uint8_t i = LORA_MAX_NB_CHANNELS - 8; i < LORA_MAX_NB_CHANNELS; i++ )
mluis	0:91d1a7783bb9	868	{
mluis	0:91d1a7783bb9	869	Channels[i].Frequency = 903.0e6 + ( i - ( LORA_MAX_NB_CHANNELS - 8 ) ) * 1.6e6;
mluis	0:91d1a7783bb9	870	Channels[i].DrRange.Value = ( DR_4 << 4 ) \| DR_4;
mluis	0:91d1a7783bb9	871	Channels[i].Band = 0;
mluis	0:91d1a7783bb9	872	}
mluis	0:91d1a7783bb9	873	#endif
mluis	0:91d1a7783bb9	874
mluis	0:91d1a7783bb9	875	ChannelsTxPower = LORAMAC_DEFAULT_TX_POWER;
mluis	0:91d1a7783bb9	876	ChannelsDefaultDatarate = ChannelsDatarate = LORAMAC_DEFAULT_DATARATE;
mluis	0:91d1a7783bb9	877	ChannelsNbRep = 1;
mluis	0:91d1a7783bb9	878	ChannelsNbRepCounter = 0;
mluis	0:91d1a7783bb9	879
mluis	0:91d1a7783bb9	880	MaxDCycle = 0;
mluis	0:91d1a7783bb9	881	AggregatedDCycle = 1;
mluis	0:91d1a7783bb9	882	AggregatedLastTxDoneTime = 0;
mluis	0:91d1a7783bb9	883	AggregatedTimeOff = 0;
mluis	0:91d1a7783bb9	884
mluis	0:91d1a7783bb9	885	#if defined( USE_BAND_433 )
mluis	0:91d1a7783bb9	886	DutyCycleOn = false;
mluis	0:91d1a7783bb9	887	#elif defined( USE_BAND_780 )
mluis	0:91d1a7783bb9	888	DutyCycleOn = false;
mluis	0:91d1a7783bb9	889	#elif defined( USE_BAND_868 )
mluis	0:91d1a7783bb9	890	DutyCycleOn = true;
mluis	0:91d1a7783bb9	891	#elif defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	892	DutyCycleOn = false;
mluis	0:91d1a7783bb9	893	#else
mluis	0:91d1a7783bb9	894	#error "Please define a frequency band in the compiler options."
mluis	0:91d1a7783bb9	895	#endif
mluis	0:91d1a7783bb9	896
mluis	0:91d1a7783bb9	897	MaxRxWindow = MAX_RX_WINDOW;
mluis	0:91d1a7783bb9	898	ReceiveDelay1 = RECEIVE_DELAY1;
mluis	0:91d1a7783bb9	899	ReceiveDelay2 = RECEIVE_DELAY2;
mluis	0:91d1a7783bb9	900	JoinAcceptDelay1 = JOIN_ACCEPT_DELAY1;
mluis	0:91d1a7783bb9	901	JoinAcceptDelay2 = JOIN_ACCEPT_DELAY2;
mluis	0:91d1a7783bb9	902
mluis	0:91d1a7783bb9	903	TimerInit( &MacStateCheckTimer, OnMacStateCheckTimerEvent );
mluis	0:91d1a7783bb9	904	TimerSetValue( &MacStateCheckTimer, MAC_STATE_CHECK_TIMEOUT );
mluis	0:91d1a7783bb9	905
mluis	0:91d1a7783bb9	906	TimerInit( &ChannelCheckTimer, OnChannelCheckTimerEvent );
mluis	0:91d1a7783bb9	907	TimerInit( &TxDelayedTimer, OnTxDelayedTimerEvent );
mluis	0:91d1a7783bb9	908	TimerInit( &RxWindowTimer1, OnRxWindow1TimerEvent );
mluis	0:91d1a7783bb9	909	TimerInit( &RxWindowTimer2, OnRxWindow2TimerEvent );
mluis	0:91d1a7783bb9	910	TimerInit( &AckTimeoutTimer, OnAckTimeoutTimerEvent );
mluis	0:91d1a7783bb9	911
mluis	0:91d1a7783bb9	912	// Random seed initialization
mluis	0:91d1a7783bb9	913	srand( Radio.Random( ) );
mluis	0:91d1a7783bb9	914
mluis	0:91d1a7783bb9	915	// Initialize channel index.
mluis	0:91d1a7783bb9	916	Channel = LORA_MAX_NB_CHANNELS;
mluis	0:91d1a7783bb9	917
mluis	0:91d1a7783bb9	918	PublicNetwork = true;
mluis	0:91d1a7783bb9	919	LoRaMacSetPublicNetwork( PublicNetwork );
mluis	0:91d1a7783bb9	920	Radio.Sleep( );
mluis	0:91d1a7783bb9	921	}
mluis	0:91d1a7783bb9	922
mluis	0:91d1a7783bb9	923	void LoRaMacSetAdrOn( bool enable )
mluis	0:91d1a7783bb9	924	{
mluis	0:91d1a7783bb9	925	AdrCtrlOn = enable;
mluis	0:91d1a7783bb9	926	}
mluis	0:91d1a7783bb9	927
mluis	0:91d1a7783bb9	928	void LoRaMacInitNwkIds( uint32_t netID, uint32_t devAddr, uint8_t nwkSKey, uint8_t appSKey )
mluis	0:91d1a7783bb9	929	{
mluis	0:91d1a7783bb9	930	LoRaMacNetID = netID;
mluis	0:91d1a7783bb9	931	LoRaMacDevAddr = devAddr;
mluis	0:91d1a7783bb9	932	LoRaMacMemCpy( nwkSKey, LoRaMacNwkSKey, 16 );
mluis	0:91d1a7783bb9	933	LoRaMacMemCpy( appSKey, LoRaMacAppSKey, 16 );
mluis	0:91d1a7783bb9	934
mluis	0:91d1a7783bb9	935	IsLoRaMacNetworkJoined = true;
mluis	0:91d1a7783bb9	936	}
mluis	0:91d1a7783bb9	937
mluis	0:91d1a7783bb9	938	void LoRaMacMulticastChannelAdd( MulticastParams_t *channelParam )
mluis	0:91d1a7783bb9	939	{
mluis	0:91d1a7783bb9	940	// Reset downlink counter
mluis	0:91d1a7783bb9	941	channelParam->DownLinkCounter = 0;
mluis	0:91d1a7783bb9	942
mluis	0:91d1a7783bb9	943	if( MulticastChannels == NULL )
mluis	0:91d1a7783bb9	944	{
mluis	0:91d1a7783bb9	945	MulticastChannels = channelParam;
mluis	0:91d1a7783bb9	946	}
mluis	0:91d1a7783bb9	947	else
mluis	0:91d1a7783bb9	948	{
mluis	0:91d1a7783bb9	949	MulticastParams_t *cur = MulticastChannels;
mluis	0:91d1a7783bb9	950	while( cur->Next != NULL )
mluis	0:91d1a7783bb9	951	{
mluis	0:91d1a7783bb9	952	cur = cur->Next;
mluis	0:91d1a7783bb9	953	}
mluis	0:91d1a7783bb9	954	cur->Next = channelParam;
mluis	0:91d1a7783bb9	955	}
mluis	0:91d1a7783bb9	956	}
mluis	0:91d1a7783bb9	957
mluis	0:91d1a7783bb9	958	void LoRaMacMulticastChannelRemove( MulticastParams_t *channelParam )
mluis	0:91d1a7783bb9	959	{
mluis	0:91d1a7783bb9	960	MulticastParams_t *cur = NULL;
mluis	0:91d1a7783bb9	961
mluis	0:91d1a7783bb9	962	// Remove the front element
mluis	0:91d1a7783bb9	963	if( MulticastChannels == channelParam )
mluis	0:91d1a7783bb9	964	{
mluis	0:91d1a7783bb9	965	if( MulticastChannels != NULL )
mluis	0:91d1a7783bb9	966	{
mluis	0:91d1a7783bb9	967	cur = MulticastChannels;
mluis	0:91d1a7783bb9	968	MulticastChannels = MulticastChannels->Next;
mluis	0:91d1a7783bb9	969	cur->Next = NULL;
mluis	0:91d1a7783bb9	970	// Last node in the list
mluis	0:91d1a7783bb9	971	if( cur == MulticastChannels )
mluis	0:91d1a7783bb9	972	{
mluis	0:91d1a7783bb9	973	MulticastChannels = NULL;
mluis	0:91d1a7783bb9	974	}
mluis	0:91d1a7783bb9	975	}
mluis	0:91d1a7783bb9	976	return;
mluis	0:91d1a7783bb9	977	}
mluis	0:91d1a7783bb9	978
mluis	0:91d1a7783bb9	979	// Remove last element
mluis	0:91d1a7783bb9	980	if( channelParam->Next == NULL )
mluis	0:91d1a7783bb9	981	{
mluis	0:91d1a7783bb9	982	if( MulticastChannels != NULL )
mluis	0:91d1a7783bb9	983	{
mluis	0:91d1a7783bb9	984	cur = MulticastChannels;
mluis	0:91d1a7783bb9	985	MulticastParams_t *last = NULL;
mluis	0:91d1a7783bb9	986	while( cur->Next != NULL )
mluis	0:91d1a7783bb9	987	{
mluis	0:91d1a7783bb9	988	last = cur;
mluis	0:91d1a7783bb9	989	cur = cur->Next;
mluis	0:91d1a7783bb9	990	}
mluis	0:91d1a7783bb9	991	if( last != NULL )
mluis	0:91d1a7783bb9	992	{
mluis	0:91d1a7783bb9	993	last->Next = NULL;
mluis	0:91d1a7783bb9	994	}
mluis	0:91d1a7783bb9	995	// Last node in the list
mluis	0:91d1a7783bb9	996	if( cur == last )
mluis	0:91d1a7783bb9	997	{
mluis	0:91d1a7783bb9	998	MulticastChannels = NULL;
mluis	0:91d1a7783bb9	999	}
mluis	0:91d1a7783bb9	1000	}
mluis	0:91d1a7783bb9	1001	return;
mluis	0:91d1a7783bb9	1002	}
mluis	0:91d1a7783bb9	1003
mluis	0:91d1a7783bb9	1004	// Remove a middle element
mluis	0:91d1a7783bb9	1005	cur = MulticastChannels;
mluis	0:91d1a7783bb9	1006	while( cur != NULL )
mluis	0:91d1a7783bb9	1007	{
mluis	0:91d1a7783bb9	1008	if( cur->Next == channelParam )
mluis	0:91d1a7783bb9	1009	{
mluis	0:91d1a7783bb9	1010	break;
mluis	0:91d1a7783bb9	1011	}
mluis	0:91d1a7783bb9	1012	cur = cur->Next;
mluis	0:91d1a7783bb9	1013	}
mluis	0:91d1a7783bb9	1014	if( cur != NULL )
mluis	0:91d1a7783bb9	1015	{
mluis	0:91d1a7783bb9	1016	MulticastParams_t *tmp = cur ->Next;
mluis	0:91d1a7783bb9	1017	cur->Next = tmp->Next;
mluis	0:91d1a7783bb9	1018	tmp->Next = NULL;
mluis	0:91d1a7783bb9	1019	}
mluis	0:91d1a7783bb9	1020	}
mluis	0:91d1a7783bb9	1021
mluis	0:91d1a7783bb9	1022	uint8_t LoRaMacJoinReq( uint8_t devEui, uint8_t appEui, uint8_t *appKey )
mluis	0:91d1a7783bb9	1023	{
mluis	0:91d1a7783bb9	1024	LoRaMacHeader_t macHdr;
mluis	0:91d1a7783bb9	1025
mluis	0:91d1a7783bb9	1026	LoRaMacDevEui = devEui;
mluis	0:91d1a7783bb9	1027	LoRaMacAppEui = appEui;
mluis	0:91d1a7783bb9	1028	LoRaMacAppKey = appKey;
mluis	0:91d1a7783bb9	1029
mluis	0:91d1a7783bb9	1030	macHdr.Value = 0;
mluis	0:91d1a7783bb9	1031	macHdr.Bits.MType = FRAME_TYPE_JOIN_REQ;
mluis	0:91d1a7783bb9	1032
mluis	0:91d1a7783bb9	1033	IsLoRaMacNetworkJoined = false;
mluis	0:91d1a7783bb9	1034
mluis	0:91d1a7783bb9	1035	#if defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	1036	static uint8_t drSwitch = 0;
mluis	0:91d1a7783bb9	1037
mluis	0:91d1a7783bb9	1038	if( drSwitch == 0 )
mluis	0:91d1a7783bb9	1039	{
mluis	0:91d1a7783bb9	1040	ChannelsDatarate = DR_0;
mluis	0:91d1a7783bb9	1041	}
mluis	0:91d1a7783bb9	1042	else
mluis	0:91d1a7783bb9	1043	{
mluis	0:91d1a7783bb9	1044	ChannelsDatarate = DR_4;
mluis	0:91d1a7783bb9	1045	}
mluis	0:91d1a7783bb9	1046	drSwitch = ( drSwitch + 1 ) % 2;
mluis	0:91d1a7783bb9	1047	#endif
mluis	0:91d1a7783bb9	1048	return LoRaMacSend( &macHdr, NULL, 0, NULL, 0 );
mluis	0:91d1a7783bb9	1049	}
mluis	0:91d1a7783bb9	1050
mluis	0:91d1a7783bb9	1051	uint8_t LoRaMacLinkCheckReq( void )
mluis	0:91d1a7783bb9	1052	{
mluis	0:91d1a7783bb9	1053	return AddMacCommand( MOTE_MAC_LINK_CHECK_REQ, 0, 0 );
mluis	0:91d1a7783bb9	1054	}
mluis	0:91d1a7783bb9	1055
mluis	0:91d1a7783bb9	1056	uint8_t LoRaMacSendFrame( uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
mluis	0:91d1a7783bb9	1057	{
mluis	0:91d1a7783bb9	1058	LoRaMacHeader_t macHdr;
mluis	0:91d1a7783bb9	1059
mluis	0:91d1a7783bb9	1060	macHdr.Value = 0;
mluis	0:91d1a7783bb9	1061
mluis	0:91d1a7783bb9	1062	macHdr.Bits.MType = FRAME_TYPE_DATA_UNCONFIRMED_UP;
mluis	0:91d1a7783bb9	1063	return LoRaMacSend( &macHdr, NULL, fPort, fBuffer, fBufferSize );
mluis	0:91d1a7783bb9	1064	}
mluis	0:91d1a7783bb9	1065
mluis	0:91d1a7783bb9	1066	uint8_t LoRaMacSendConfirmedFrame( uint8_t fPort, void *fBuffer, uint16_t fBufferSize, uint8_t retries )
mluis	0:91d1a7783bb9	1067	{
mluis	0:91d1a7783bb9	1068	LoRaMacHeader_t macHdr;
mluis	0:91d1a7783bb9	1069
mluis	0:91d1a7783bb9	1070	if( AdrCtrlOn == false )
mluis	0:91d1a7783bb9	1071	{
mluis	0:91d1a7783bb9	1072	ChannelsDatarate = ChannelsDefaultDatarate;
mluis	0:91d1a7783bb9	1073	}
mluis	0:91d1a7783bb9	1074	AckTimeoutRetries = retries;
mluis	0:91d1a7783bb9	1075	AckTimeoutRetriesCounter = 1;
mluis	0:91d1a7783bb9	1076
mluis	0:91d1a7783bb9	1077	macHdr.Value = 0;
mluis	0:91d1a7783bb9	1078
mluis	0:91d1a7783bb9	1079	macHdr.Bits.MType = FRAME_TYPE_DATA_CONFIRMED_UP;
mluis	0:91d1a7783bb9	1080	return LoRaMacSend( &macHdr, NULL, fPort, fBuffer, fBufferSize );
mluis	0:91d1a7783bb9	1081	}
mluis	0:91d1a7783bb9	1082
mluis	0:91d1a7783bb9	1083	uint8_t LoRaMacSend( LoRaMacHeader_t macHdr, uint8_t fOpts, uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
mluis	0:91d1a7783bb9	1084	{
mluis	0:91d1a7783bb9	1085	LoRaMacFrameCtrl_t fCtrl;
mluis	0:91d1a7783bb9	1086
mluis	0:91d1a7783bb9	1087	fCtrl.Value = 0;
mluis	0:91d1a7783bb9	1088
mluis	0:91d1a7783bb9	1089	fCtrl.Bits.FOptsLen = 0;
mluis	0:91d1a7783bb9	1090	fCtrl.Bits.FPending = 0;
mluis	0:91d1a7783bb9	1091	fCtrl.Bits.Ack = false;
mluis	0:91d1a7783bb9	1092	fCtrl.Bits.AdrAckReq = false;
mluis	0:91d1a7783bb9	1093	fCtrl.Bits.Adr = AdrCtrlOn;
mluis	0:91d1a7783bb9	1094
mluis	0:91d1a7783bb9	1095	if( LoRaMacSetNextChannel( ) == 0 )
mluis	0:91d1a7783bb9	1096	{
mluis	0:91d1a7783bb9	1097	return LoRaMacSendOnChannel( Channels[Channel], macHdr, &fCtrl, fOpts, fPort, fBuffer, fBufferSize );
mluis	0:91d1a7783bb9	1098	}
mluis	0:91d1a7783bb9	1099	return 5;
mluis	0:91d1a7783bb9	1100	}
mluis	0:91d1a7783bb9	1101
mluis	0:91d1a7783bb9	1102	uint8_t LoRaMacPrepareFrame( ChannelParams_t channel, LoRaMacHeader_t macHdr, LoRaMacFrameCtrl_t fCtrl, uint8_t fOpts, uint8_t fPort, void fBuffer, uint16_t fBufferSize )
mluis	0:91d1a7783bb9	1103	{
mluis	0:91d1a7783bb9	1104	uint16_t i;
mluis	0:91d1a7783bb9	1105	uint8_t pktHeaderLen = 0;
mluis	0:91d1a7783bb9	1106	uint32_t mic = 0;
mluis	0:91d1a7783bb9	1107
mluis	0:91d1a7783bb9	1108	LoRaMacBufferPktLen = 0;
mluis	0:91d1a7783bb9	1109
mluis	0:91d1a7783bb9	1110	NodeAckRequested = false;
mluis	0:91d1a7783bb9	1111
mluis	0:91d1a7783bb9	1112	if( fBuffer == NULL )
mluis	0:91d1a7783bb9	1113	{
mluis	0:91d1a7783bb9	1114	fBufferSize = 0;
mluis	0:91d1a7783bb9	1115	}
mluis	0:91d1a7783bb9	1116	else
mluis	0:91d1a7783bb9	1117	{
mluis	0:91d1a7783bb9	1118	if( ValidatePayloadLength( fBufferSize, ChannelsDatarate ) == false )
mluis	0:91d1a7783bb9	1119	{
mluis	0:91d1a7783bb9	1120	return 3;
mluis	0:91d1a7783bb9	1121	}
mluis	0:91d1a7783bb9	1122	}
mluis	0:91d1a7783bb9	1123
mluis	0:91d1a7783bb9	1124	LoRaMacBuffer[pktHeaderLen++] = macHdr->Value;
mluis	0:91d1a7783bb9	1125
mluis	0:91d1a7783bb9	1126	switch( macHdr->Bits.MType )
mluis	0:91d1a7783bb9	1127	{
mluis	0:91d1a7783bb9	1128	case FRAME_TYPE_JOIN_REQ:
mluis	0:91d1a7783bb9	1129	RxWindow1Delay = JoinAcceptDelay1 - RADIO_WAKEUP_TIME;
mluis	0:91d1a7783bb9	1130	RxWindow2Delay = JoinAcceptDelay2 - RADIO_WAKEUP_TIME;
mluis	0:91d1a7783bb9	1131
mluis	0:91d1a7783bb9	1132	LoRaMacBufferPktLen = pktHeaderLen;
mluis	0:91d1a7783bb9	1133
mluis	0:91d1a7783bb9	1134	LoRaMacMemCpy( LoRaMacAppEui, LoRaMacBuffer + LoRaMacBufferPktLen, 8 );
mluis	0:91d1a7783bb9	1135	LoRaMacBufferPktLen += 8;
mluis	0:91d1a7783bb9	1136	LoRaMacMemCpy( LoRaMacDevEui, LoRaMacBuffer + LoRaMacBufferPktLen, 8 );
mluis	0:91d1a7783bb9	1137	LoRaMacBufferPktLen += 8;
mluis	0:91d1a7783bb9	1138
mluis	0:91d1a7783bb9	1139	LoRaMacDevNonce = Radio.Random( );
mluis	0:91d1a7783bb9	1140
mluis	0:91d1a7783bb9	1141	LoRaMacBuffer[LoRaMacBufferPktLen++] = LoRaMacDevNonce & 0xFF;
mluis	0:91d1a7783bb9	1142	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( LoRaMacDevNonce >> 8 ) & 0xFF;
mluis	0:91d1a7783bb9	1143
mluis	0:91d1a7783bb9	1144	LoRaMacJoinComputeMic( LoRaMacBuffer, LoRaMacBufferPktLen & 0xFF, LoRaMacAppKey, &mic );
mluis	0:91d1a7783bb9	1145
mluis	0:91d1a7783bb9	1146	LoRaMacBuffer[LoRaMacBufferPktLen++] = mic & 0xFF;
mluis	0:91d1a7783bb9	1147	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 8 ) & 0xFF;
mluis	0:91d1a7783bb9	1148	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 16 ) & 0xFF;
mluis	0:91d1a7783bb9	1149	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 24 ) & 0xFF;
mluis	0:91d1a7783bb9	1150
mluis	0:91d1a7783bb9	1151	break;
mluis	0:91d1a7783bb9	1152	case FRAME_TYPE_DATA_CONFIRMED_UP:
mluis	0:91d1a7783bb9	1153	NodeAckRequested = true;
mluis	0:91d1a7783bb9	1154	//Intentional falltrough
mluis	0:91d1a7783bb9	1155	case FRAME_TYPE_DATA_UNCONFIRMED_UP:
mluis	0:91d1a7783bb9	1156	if( IsLoRaMacNetworkJoined == false )
mluis	0:91d1a7783bb9	1157	{
mluis	0:91d1a7783bb9	1158	return 2; // No network has been joined yet
mluis	0:91d1a7783bb9	1159	}
mluis	0:91d1a7783bb9	1160
mluis	0:91d1a7783bb9	1161	RxWindow1Delay = ReceiveDelay1 - RADIO_WAKEUP_TIME;
mluis	0:91d1a7783bb9	1162	RxWindow2Delay = ReceiveDelay2 - RADIO_WAKEUP_TIME;
mluis	0:91d1a7783bb9	1163
mluis	0:91d1a7783bb9	1164	if( fOpts == NULL )
mluis	0:91d1a7783bb9	1165	{
mluis	0:91d1a7783bb9	1166	fCtrl->Bits.FOptsLen = 0;
mluis	0:91d1a7783bb9	1167	}
mluis	0:91d1a7783bb9	1168
mluis	0:91d1a7783bb9	1169	if( SrvAckRequested == true )
mluis	0:91d1a7783bb9	1170	{
mluis	0:91d1a7783bb9	1171	SrvAckRequested = false;
mluis	0:91d1a7783bb9	1172	fCtrl->Bits.Ack = 1;
mluis	0:91d1a7783bb9	1173	}
mluis	0:91d1a7783bb9	1174
mluis	0:91d1a7783bb9	1175	if( fCtrl->Bits.Adr == true )
mluis	0:91d1a7783bb9	1176	{
mluis	0:91d1a7783bb9	1177	if( ChannelsDatarate == LORAMAC_MIN_DATARATE )
mluis	0:91d1a7783bb9	1178	{
mluis	0:91d1a7783bb9	1179	AdrAckCounter = 0;
mluis	0:91d1a7783bb9	1180	fCtrl->Bits.AdrAckReq = false;
mluis	0:91d1a7783bb9	1181	}
mluis	0:91d1a7783bb9	1182	else
mluis	0:91d1a7783bb9	1183	{
mluis	0:91d1a7783bb9	1184	if( AdrAckCounter > ADR_ACK_LIMIT )
mluis	0:91d1a7783bb9	1185	{
mluis	0:91d1a7783bb9	1186	fCtrl->Bits.AdrAckReq = true;
mluis	0:91d1a7783bb9	1187	}
mluis	0:91d1a7783bb9	1188	else
mluis	0:91d1a7783bb9	1189	{
mluis	0:91d1a7783bb9	1190	fCtrl->Bits.AdrAckReq = false;
mluis	0:91d1a7783bb9	1191	}
mluis	0:91d1a7783bb9	1192	if( AdrAckCounter > ( ADR_ACK_LIMIT + ADR_ACK_DELAY ) )
mluis	0:91d1a7783bb9	1193	{
mluis	0:91d1a7783bb9	1194	AdrAckCounter = 0;
mluis	0:91d1a7783bb9	1195	#if defined( USE_BAND_433 ) \|\| defined( USE_BAND_780 ) \|\| defined( USE_BAND_868 )
mluis	0:91d1a7783bb9	1196	if( ChannelsDatarate > LORAMAC_MIN_DATARATE )
mluis	0:91d1a7783bb9	1197	{
mluis	0:91d1a7783bb9	1198	ChannelsDatarate--;
mluis	0:91d1a7783bb9	1199	}
mluis	0:91d1a7783bb9	1200	else
mluis	0:91d1a7783bb9	1201	{
mluis	0:91d1a7783bb9	1202	// Re-enable default channels LC1, LC2, LC3
mluis	0:91d1a7783bb9	1203	ChannelsMask[0] = ChannelsMask[0] \| ( LC( 1 ) + LC( 2 ) + LC( 3 ) );
mluis	0:91d1a7783bb9	1204	}
mluis	0:91d1a7783bb9	1205	#elif defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	1206	if( ( ChannelsDatarate > LORAMAC_MIN_DATARATE ) && ( ChannelsDatarate == DR_8 ) )
mluis	0:91d1a7783bb9	1207	{
mluis	0:91d1a7783bb9	1208	ChannelsDatarate = DR_4;
mluis	0:91d1a7783bb9	1209	}
mluis	0:91d1a7783bb9	1210	if( ChannelsDatarate > LORAMAC_MIN_DATARATE )
mluis	0:91d1a7783bb9	1211	{
mluis	0:91d1a7783bb9	1212	ChannelsDatarate--;
mluis	0:91d1a7783bb9	1213	}
mluis	0:91d1a7783bb9	1214	else
mluis	0:91d1a7783bb9	1215	{
mluis	0:91d1a7783bb9	1216	#if defined( USE_BAND_915 )
mluis	0:91d1a7783bb9	1217	// Re-enable default channels
mluis	0:91d1a7783bb9	1218	ChannelsMask[0] = 0xFFFF;
mluis	0:91d1a7783bb9	1219	ChannelsMask[1] = 0xFFFF;
mluis	0:91d1a7783bb9	1220	ChannelsMask[2] = 0xFFFF;
mluis	0:91d1a7783bb9	1221	ChannelsMask[3] = 0xFFFF;
mluis	0:91d1a7783bb9	1222	ChannelsMask[4] = 0x00FF;
mluis	0:91d1a7783bb9	1223	ChannelsMask[5] = 0x0000;
mluis	0:91d1a7783bb9	1224	#else // defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	1225	// Re-enable default channels
mluis	0:91d1a7783bb9	1226	ChannelsMask[0] = 0x00FF;
mluis	0:91d1a7783bb9	1227	ChannelsMask[1] = 0x0000;
mluis	0:91d1a7783bb9	1228	ChannelsMask[2] = 0x0000;
mluis	0:91d1a7783bb9	1229	ChannelsMask[3] = 0x0000;
mluis	0:91d1a7783bb9	1230	ChannelsMask[4] = 0x0001;
mluis	0:91d1a7783bb9	1231	ChannelsMask[5] = 0x0000;
mluis	0:91d1a7783bb9	1232	#endif
mluis	0:91d1a7783bb9	1233	}
mluis	0:91d1a7783bb9	1234	#else
mluis	0:91d1a7783bb9	1235	#error "Please define a frequency band in the compiler options."
mluis	0:91d1a7783bb9	1236	#endif
mluis	0:91d1a7783bb9	1237	}
mluis	0:91d1a7783bb9	1238	}
mluis	0:91d1a7783bb9	1239	}
mluis	0:91d1a7783bb9	1240
mluis	0:91d1a7783bb9	1241	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr ) & 0xFF;
mluis	0:91d1a7783bb9	1242	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 8 ) & 0xFF;
mluis	0:91d1a7783bb9	1243	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 16 ) & 0xFF;
mluis	0:91d1a7783bb9	1244	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 24 ) & 0xFF;
mluis	0:91d1a7783bb9	1245
mluis	0:91d1a7783bb9	1246	LoRaMacBuffer[pktHeaderLen++] = fCtrl->Value;
mluis	0:91d1a7783bb9	1247
mluis	0:91d1a7783bb9	1248	LoRaMacBuffer[pktHeaderLen++] = UpLinkCounter & 0xFF;
mluis	0:91d1a7783bb9	1249	LoRaMacBuffer[pktHeaderLen++] = ( UpLinkCounter >> 8 ) & 0xFF;
mluis	0:91d1a7783bb9	1250
mluis	0:91d1a7783bb9	1251	if( fOpts != NULL )
mluis	0:91d1a7783bb9	1252	{
mluis	0:91d1a7783bb9	1253	for( i = 0; i < fCtrl->Bits.FOptsLen; i++ )
mluis	0:91d1a7783bb9	1254	{
mluis	0:91d1a7783bb9	1255	LoRaMacBuffer[pktHeaderLen++] = fOpts[i];
mluis	0:91d1a7783bb9	1256	}
mluis	0:91d1a7783bb9	1257	}
mluis	0:91d1a7783bb9	1258	if( ( MacCommandsBufferIndex + fCtrl->Bits.FOptsLen ) <= 15 )
mluis	0:91d1a7783bb9	1259	{
mluis	0:91d1a7783bb9	1260	if( MacCommandsInNextTx == true )
mluis	0:91d1a7783bb9	1261	{
mluis	0:91d1a7783bb9	1262	fCtrl->Bits.FOptsLen += MacCommandsBufferIndex;
mluis	0:91d1a7783bb9	1263
mluis	0:91d1a7783bb9	1264	// Update FCtrl field with new value of OptionsLength
mluis	0:91d1a7783bb9	1265	LoRaMacBuffer[0x05] = fCtrl->Value;
mluis	0:91d1a7783bb9	1266	for( i = 0; i < MacCommandsBufferIndex; i++ )
mluis	0:91d1a7783bb9	1267	{
mluis	0:91d1a7783bb9	1268	LoRaMacBuffer[pktHeaderLen++] = MacCommandsBuffer[i];
mluis	0:91d1a7783bb9	1269	}
mluis	0:91d1a7783bb9	1270	}
mluis	0:91d1a7783bb9	1271	MacCommandsInNextTx = false;
mluis	0:91d1a7783bb9	1272	MacCommandsBufferIndex = 0;
mluis	0:91d1a7783bb9	1273	}
mluis	0:91d1a7783bb9	1274
mluis	0:91d1a7783bb9	1275	if( ( pktHeaderLen + fBufferSize ) > LORAMAC_PHY_MAXPAYLOAD )
mluis	0:91d1a7783bb9	1276	{
mluis	0:91d1a7783bb9	1277	return 3;
mluis	0:91d1a7783bb9	1278	}
mluis	0:91d1a7783bb9	1279
mluis	0:91d1a7783bb9	1280	if( fBuffer != NULL )
mluis	0:91d1a7783bb9	1281	{
mluis	0:91d1a7783bb9	1282	LoRaMacBuffer[pktHeaderLen++] = fPort;
mluis	0:91d1a7783bb9	1283
mluis	0:91d1a7783bb9	1284	if( fPort == 0 )
mluis	0:91d1a7783bb9	1285	{
mluis	0:91d1a7783bb9	1286	LoRaMacPayloadEncrypt( ( uint8_t* )fBuffer, fBufferSize, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, LoRaMacPayload );
mluis	0:91d1a7783bb9	1287	}
mluis	0:91d1a7783bb9	1288	else
mluis	0:91d1a7783bb9	1289	{
mluis	0:91d1a7783bb9	1290	LoRaMacPayloadEncrypt( ( uint8_t* )fBuffer, fBufferSize, LoRaMacAppSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, LoRaMacPayload );
mluis	0:91d1a7783bb9	1291	}
mluis	0:91d1a7783bb9	1292	LoRaMacMemCpy( LoRaMacPayload, LoRaMacBuffer + pktHeaderLen, fBufferSize );
mluis	0:91d1a7783bb9	1293	}
mluis	0:91d1a7783bb9	1294	LoRaMacBufferPktLen = pktHeaderLen + fBufferSize;
mluis	0:91d1a7783bb9	1295
mluis	0:91d1a7783bb9	1296	LoRaMacComputeMic( LoRaMacBuffer, LoRaMacBufferPktLen, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, &mic );
mluis	0:91d1a7783bb9	1297
mluis	0:91d1a7783bb9	1298	if( ( LoRaMacBufferPktLen + LORAMAC_MFR_LEN ) > LORAMAC_PHY_MAXPAYLOAD )
mluis	0:91d1a7783bb9	1299	{
mluis	0:91d1a7783bb9	1300	return 3;
mluis	0:91d1a7783bb9	1301	}
mluis	0:91d1a7783bb9	1302	LoRaMacBuffer[LoRaMacBufferPktLen + 0] = mic & 0xFF;
mluis	0:91d1a7783bb9	1303	LoRaMacBuffer[LoRaMacBufferPktLen + 1] = ( mic >> 8 ) & 0xFF;
mluis	0:91d1a7783bb9	1304	LoRaMacBuffer[LoRaMacBufferPktLen + 2] = ( mic >> 16 ) & 0xFF;
mluis	0:91d1a7783bb9	1305	LoRaMacBuffer[LoRaMacBufferPktLen + 3] = ( mic >> 24 ) & 0xFF;
mluis	0:91d1a7783bb9	1306
mluis	0:91d1a7783bb9	1307	LoRaMacBufferPktLen += LORAMAC_MFR_LEN;
mluis	0:91d1a7783bb9	1308	break;
mluis	0:91d1a7783bb9	1309	default:
mluis	0:91d1a7783bb9	1310	return 4;
mluis	0:91d1a7783bb9	1311	}
mluis	0:91d1a7783bb9	1312
mluis	0:91d1a7783bb9	1313	return 0;
mluis	0:91d1a7783bb9	1314	}
mluis	0:91d1a7783bb9	1315
mluis	0:91d1a7783bb9	1316	uint8_t LoRaMacSendFrameOnChannel( ChannelParams_t channel )
mluis	0:91d1a7783bb9	1317	{
mluis	0:91d1a7783bb9	1318	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ERROR;
mluis	0:91d1a7783bb9	1319	LoRaMacEventInfo.TxDatarate = ChannelsDatarate;
mluis	0:91d1a7783bb9	1320
mluis	0:91d1a7783bb9	1321	ChannelsTxPower = LimitTxPower( ChannelsTxPower );
mluis	0:91d1a7783bb9	1322
mluis	0:91d1a7783bb9	1323	Radio.SetChannel( channel.Frequency );
mluis	0:91d1a7783bb9	1324	Radio.SetMaxPayloadLength( MODEM_LORA, LoRaMacBufferPktLen );
mluis	0:91d1a7783bb9	1325
mluis	0:91d1a7783bb9	1326	#if defined( USE_BAND_433 ) \|\| defined( USE_BAND_780 ) \|\| defined( USE_BAND_868 )
mluis	0:91d1a7783bb9	1327	if( ChannelsDatarate == DR_7 )
mluis	0:91d1a7783bb9	1328	{ // High Speed FSK channel
mluis	0:91d1a7783bb9	1329	Radio.SetTxConfig( MODEM_FSK, TxPowers[ChannelsTxPower], 25e3, 0, Datarates[ChannelsDatarate] * 1e3, 0, 5, false, true, 0, 0, false, 3e6 );
mluis	0:91d1a7783bb9	1330	TxTimeOnAir = Radio.TimeOnAir( MODEM_FSK, LoRaMacBufferPktLen );
mluis	0:91d1a7783bb9	1331	}
mluis	0:91d1a7783bb9	1332	else if( ChannelsDatarate == DR_6 )
mluis	0:91d1a7783bb9	1333	{ // High speed LoRa channel
mluis	0:91d1a7783bb9	1334	Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 1, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 );
mluis	0:91d1a7783bb9	1335	TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
mluis	0:91d1a7783bb9	1336	}
mluis	0:91d1a7783bb9	1337	else
mluis	0:91d1a7783bb9	1338	{ // Normal LoRa channel
mluis	0:91d1a7783bb9	1339	Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 0, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 );
mluis	0:91d1a7783bb9	1340	TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
mluis	0:91d1a7783bb9	1341	}
mluis	0:91d1a7783bb9	1342	#elif defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	1343	if( ChannelsDatarate >= DR_4 )
mluis	0:91d1a7783bb9	1344	{ // High speed LoRa channel BW500 kHz
mluis	0:91d1a7783bb9	1345	Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 2, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 );
mluis	0:91d1a7783bb9	1346	TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
mluis	0:91d1a7783bb9	1347	}
mluis	0:91d1a7783bb9	1348	else
mluis	0:91d1a7783bb9	1349	{ // Normal LoRa channel
mluis	0:91d1a7783bb9	1350	Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 0, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 );
mluis	0:91d1a7783bb9	1351	TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
mluis	0:91d1a7783bb9	1352	}
mluis	0:91d1a7783bb9	1353	#else
mluis	0:91d1a7783bb9	1354	#error "Please define a frequency band in the compiler options."
mluis	0:91d1a7783bb9	1355	#endif
mluis	0:91d1a7783bb9	1356
mluis	0:91d1a7783bb9	1357	if( MaxDCycle == 255 )
mluis	0:91d1a7783bb9	1358	{
mluis	0:91d1a7783bb9	1359	return 6;
mluis	0:91d1a7783bb9	1360	}
mluis	0:91d1a7783bb9	1361	if( MaxDCycle == 0 )
mluis	0:91d1a7783bb9	1362	{
mluis	0:91d1a7783bb9	1363	AggregatedTimeOff = 0;
mluis	0:91d1a7783bb9	1364	}
mluis	0:91d1a7783bb9	1365
mluis	0:91d1a7783bb9	1366	LoRaMacState \|= MAC_TX_RUNNING;
mluis	0:91d1a7783bb9	1367	// Starts the MAC layer status check timer
mluis	0:91d1a7783bb9	1368	TimerStart( &MacStateCheckTimer );
mluis	0:91d1a7783bb9	1369
mluis	0:91d1a7783bb9	1370	if( MAX( Bands[channel.Band].TimeOff, AggregatedTimeOff ) > ( TimerGetCurrentTime( ) ) )
mluis	0:91d1a7783bb9	1371	{
mluis	0:91d1a7783bb9	1372	// Schedule transmission
mluis	0:91d1a7783bb9	1373	TimerSetValue( &TxDelayedTimer, MAX( Bands[channel.Band].TimeOff, AggregatedTimeOff ) );
mluis	0:91d1a7783bb9	1374	TimerStart( &TxDelayedTimer );
mluis	0:91d1a7783bb9	1375	}
mluis	0:91d1a7783bb9	1376	else
mluis	0:91d1a7783bb9	1377	{
mluis	0:91d1a7783bb9	1378	// Send now
mluis	0:91d1a7783bb9	1379	Radio.Send( LoRaMacBuffer, LoRaMacBufferPktLen );
mluis	0:91d1a7783bb9	1380	}
mluis	0:91d1a7783bb9	1381	return 0;
mluis	0:91d1a7783bb9	1382	}
mluis	0:91d1a7783bb9	1383
mluis	0:91d1a7783bb9	1384
mluis	0:91d1a7783bb9	1385	void OnTxDelayedTimerEvent( void )
mluis	0:91d1a7783bb9	1386	{
mluis	0:91d1a7783bb9	1387	TimerStop( &TxDelayedTimer );
mluis	0:91d1a7783bb9	1388	Radio.Send( LoRaMacBuffer, LoRaMacBufferPktLen );
mluis	0:91d1a7783bb9	1389	}
mluis	0:91d1a7783bb9	1390
mluis	0:91d1a7783bb9	1391	uint8_t LoRaMacSendOnChannel( ChannelParams_t channel, LoRaMacHeader_t macHdr, LoRaMacFrameCtrl_t fCtrl, uint8_t fOpts, uint8_t fPort, void fBuffer, uint16_t fBufferSize )
mluis	0:91d1a7783bb9	1392	{
mluis	0:91d1a7783bb9	1393	uint8_t status = 0;
mluis	0:91d1a7783bb9	1394
mluis	0:91d1a7783bb9	1395	if( ( LoRaMacState & MAC_TX_RUNNING ) == MAC_TX_RUNNING )
mluis	0:91d1a7783bb9	1396	{
mluis	0:91d1a7783bb9	1397	return 1; // MAC is busy transmitting a previous frame
mluis	0:91d1a7783bb9	1398	}
mluis	0:91d1a7783bb9	1399
mluis	0:91d1a7783bb9	1400	status = LoRaMacPrepareFrame( channel, macHdr, fCtrl, fOpts, fPort, fBuffer, fBufferSize );
mluis	0:91d1a7783bb9	1401	if( status != 0 )
mluis	0:91d1a7783bb9	1402	{
mluis	0:91d1a7783bb9	1403	return status;
mluis	0:91d1a7783bb9	1404	}
mluis	0:91d1a7783bb9	1405
mluis	0:91d1a7783bb9	1406	LoRaMacEventInfo.TxNbRetries = 0;
mluis	0:91d1a7783bb9	1407	LoRaMacEventInfo.TxAckReceived = false;
mluis	0:91d1a7783bb9	1408
mluis	0:91d1a7783bb9	1409	return LoRaMacSendFrameOnChannel( channel );
mluis	0:91d1a7783bb9	1410	}
mluis	0:91d1a7783bb9	1411
mluis	0:91d1a7783bb9	1412	static void LoRaMacProcessMacCommands( uint8_t *payload, uint8_t macIndex, uint8_t commandsSize )
mluis	0:91d1a7783bb9	1413	{
mluis	0:91d1a7783bb9	1414	while( macIndex < commandsSize )
mluis	0:91d1a7783bb9	1415	{
mluis	0:91d1a7783bb9	1416	// Decode Frame MAC commands
mluis	0:91d1a7783bb9	1417	switch( payload[macIndex++] )
mluis	0:91d1a7783bb9	1418	{
mluis	0:91d1a7783bb9	1419	case SRV_MAC_LINK_CHECK_ANS:
mluis	0:91d1a7783bb9	1420	LoRaMacEventFlags.Bits.LinkCheck = 1;
mluis	0:91d1a7783bb9	1421	LoRaMacEventInfo.DemodMargin = payload[macIndex++];
mluis	0:91d1a7783bb9	1422	LoRaMacEventInfo.NbGateways = payload[macIndex++];
mluis	0:91d1a7783bb9	1423	break;
mluis	0:91d1a7783bb9	1424	case SRV_MAC_LINK_ADR_REQ:
mluis	0:91d1a7783bb9	1425	{
mluis	0:91d1a7783bb9	1426	uint8_t status = 0x07;
mluis	0:91d1a7783bb9	1427	uint16_t chMask;
mluis	0:91d1a7783bb9	1428	int8_t txPower = 0;
mluis	0:91d1a7783bb9	1429	int8_t datarate = 0;
mluis	0:91d1a7783bb9	1430	uint8_t nbRep = 0;
mluis	0:91d1a7783bb9	1431	uint8_t chMaskCntl = 0;
mluis	0:91d1a7783bb9	1432	uint16_t channelsMask[6] = { 0, 0, 0, 0, 0, 0 };
mluis	0:91d1a7783bb9	1433
mluis	0:91d1a7783bb9	1434	// Initialize local copy of the channels mask array
mluis	0:91d1a7783bb9	1435	for( uint8_t i = 0; i < 6; i++ )
mluis	0:91d1a7783bb9	1436	{
mluis	0:91d1a7783bb9	1437	channelsMask[i] = ChannelsMask[i];
mluis	0:91d1a7783bb9	1438	}
mluis	0:91d1a7783bb9	1439	datarate = payload[macIndex++];
mluis	0:91d1a7783bb9	1440	txPower = datarate & 0x0F;
mluis	0:91d1a7783bb9	1441	datarate = ( datarate >> 4 ) & 0x0F;
mluis	0:91d1a7783bb9	1442
mluis	0:91d1a7783bb9	1443	if( ( AdrCtrlOn == false ) &&
mluis	0:91d1a7783bb9	1444	( ( ChannelsDatarate != datarate ) \|\| ( ChannelsTxPower != txPower ) ) )
mluis	0:91d1a7783bb9	1445	{ // ADR disabled don't handle ADR requests if server tries to change datarate or txpower
mluis	0:91d1a7783bb9	1446	// Answer the server with fail status
mluis	0:91d1a7783bb9	1447	// Power ACK = 0
mluis	0:91d1a7783bb9	1448	// Data rate ACK = 0
mluis	0:91d1a7783bb9	1449	// Channel mask = 0
mluis	0:91d1a7783bb9	1450	AddMacCommand( MOTE_MAC_LINK_ADR_ANS, 0, 0 );
mluis	0:91d1a7783bb9	1451	break;
mluis	0:91d1a7783bb9	1452	}
mluis	0:91d1a7783bb9	1453	chMask = payload[macIndex++];
mluis	0:91d1a7783bb9	1454	chMask \|= payload[macIndex++] << 8;
mluis	0:91d1a7783bb9	1455
mluis	0:91d1a7783bb9	1456	nbRep = payload[macIndex++];
mluis	0:91d1a7783bb9	1457	chMaskCntl = ( nbRep >> 4 ) & 0x07;
mluis	0:91d1a7783bb9	1458	nbRep &= 0x0F;
mluis	0:91d1a7783bb9	1459	if( nbRep == 0 )
mluis	0:91d1a7783bb9	1460	{
mluis	0:91d1a7783bb9	1461	nbRep = 1;
mluis	0:91d1a7783bb9	1462	}
mluis	0:91d1a7783bb9	1463	#if defined( USE_BAND_433 ) \|\| defined( USE_BAND_780 ) \|\| defined( USE_BAND_868 )
mluis	0:91d1a7783bb9	1464	if( ( chMaskCntl == 0 ) && ( chMask == 0 ) )
mluis	0:91d1a7783bb9	1465	{
mluis	0:91d1a7783bb9	1466	status &= 0xFE; // Channel mask KO
mluis	0:91d1a7783bb9	1467	}
mluis	0:91d1a7783bb9	1468	else if( ( chMaskCntl >= 1 ) && ( chMaskCntl <= 5 ) )
mluis	0:91d1a7783bb9	1469	{
mluis	0:91d1a7783bb9	1470	// RFU
mluis	0:91d1a7783bb9	1471	status &= 0xFE; // Channel mask KO
mluis	0:91d1a7783bb9	1472	}
mluis	0:91d1a7783bb9	1473	else
mluis	0:91d1a7783bb9	1474	{
mluis	0:91d1a7783bb9	1475	for( uint8_t i = 0; i < LORA_MAX_NB_CHANNELS; i++ )
mluis	0:91d1a7783bb9	1476	{
mluis	0:91d1a7783bb9	1477	if( chMaskCntl == 6 )
mluis	0:91d1a7783bb9	1478	{
mluis	0:91d1a7783bb9	1479	if( Channels[i].Frequency != 0 )
mluis	0:91d1a7783bb9	1480	{
mluis	0:91d1a7783bb9	1481	chMask \|= 1 << i;
mluis	0:91d1a7783bb9	1482	}
mluis	0:91d1a7783bb9	1483	}
mluis	0:91d1a7783bb9	1484	else
mluis	0:91d1a7783bb9	1485	{
mluis	0:91d1a7783bb9	1486	if( ( ( chMask & ( 1 << i ) ) != 0 ) &&
mluis	0:91d1a7783bb9	1487	( Channels[i].Frequency == 0 ) )
mluis	0:91d1a7783bb9	1488	{// Trying to enable an undefined channel
mluis	0:91d1a7783bb9	1489	status &= 0xFE; // Channel mask KO
mluis	0:91d1a7783bb9	1490	}
mluis	0:91d1a7783bb9	1491	}
mluis	0:91d1a7783bb9	1492	}
mluis	0:91d1a7783bb9	1493	channelsMask[0] = chMask;
mluis	0:91d1a7783bb9	1494	}
mluis	0:91d1a7783bb9	1495	#elif defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	1496	if( chMaskCntl == 6 )
mluis	0:91d1a7783bb9	1497	{
mluis	0:91d1a7783bb9	1498	// Enable all 125 kHz channels
mluis	0:91d1a7783bb9	1499	for( uint8_t i = 0, k = 0; i < LORA_MAX_NB_CHANNELS - 8; i += 16, k++ )
mluis	0:91d1a7783bb9	1500	{
mluis	0:91d1a7783bb9	1501	for( uint8_t j = 0; j < 16; j++ )
mluis	0:91d1a7783bb9	1502	{
mluis	0:91d1a7783bb9	1503	if( Channels[i + j].Frequency != 0 )
mluis	0:91d1a7783bb9	1504	{
mluis	0:91d1a7783bb9	1505	channelsMask[k] \|= 1 << j;
mluis	0:91d1a7783bb9	1506	}
mluis	0:91d1a7783bb9	1507	}
mluis	0:91d1a7783bb9	1508	}
mluis	0:91d1a7783bb9	1509	}
mluis	0:91d1a7783bb9	1510	else if( chMaskCntl == 7 )
mluis	0:91d1a7783bb9	1511	{
mluis	0:91d1a7783bb9	1512	// Disable all 125 kHz channels
mluis	0:91d1a7783bb9	1513	channelsMask[0] = 0x0000;
mluis	0:91d1a7783bb9	1514	channelsMask[1] = 0x0000;
mluis	0:91d1a7783bb9	1515	channelsMask[2] = 0x0000;
mluis	0:91d1a7783bb9	1516	channelsMask[3] = 0x0000;
mluis	0:91d1a7783bb9	1517	}
mluis	0:91d1a7783bb9	1518	else if( chMaskCntl == 5 )
mluis	0:91d1a7783bb9	1519	{
mluis	0:91d1a7783bb9	1520	// RFU
mluis	0:91d1a7783bb9	1521	status &= 0xFE; // Channel mask KO
mluis	0:91d1a7783bb9	1522	}
mluis	0:91d1a7783bb9	1523	else
mluis	0:91d1a7783bb9	1524	{
mluis	0:91d1a7783bb9	1525	for( uint8_t i = 0; i < 16; i++ )
mluis	0:91d1a7783bb9	1526	{
mluis	0:91d1a7783bb9	1527	if( ( ( chMask & ( 1 << i ) ) != 0 ) &&
mluis	0:91d1a7783bb9	1528	( Channels[chMaskCntl * 16 + i].Frequency == 0 ) )
mluis	0:91d1a7783bb9	1529	{// Trying to enable an undefined channel
mluis	0:91d1a7783bb9	1530	status &= 0xFE; // Channel mask KO
mluis	0:91d1a7783bb9	1531	}
mluis	0:91d1a7783bb9	1532	}
mluis	0:91d1a7783bb9	1533	channelsMask[chMaskCntl] = chMask;
mluis	0:91d1a7783bb9	1534
mluis	0:91d1a7783bb9	1535	if( CountNbEnabled125kHzChannels( channelsMask ) < 6 )
mluis	0:91d1a7783bb9	1536	{
mluis	0:91d1a7783bb9	1537	status &= 0xFE; // Channel mask KO
mluis	0:91d1a7783bb9	1538	}
mluis	0:91d1a7783bb9	1539	}
mluis	0:91d1a7783bb9	1540	#else
mluis	0:91d1a7783bb9	1541	#error "Please define a frequency band in the compiler options."
mluis	0:91d1a7783bb9	1542	#endif
mluis	0:91d1a7783bb9	1543	if( ( ( datarate < LORAMAC_MIN_DATARATE ) \|\|
mluis	0:91d1a7783bb9	1544	( datarate > LORAMAC_MAX_DATARATE ) ) == true )
mluis	0:91d1a7783bb9	1545	{
mluis	0:91d1a7783bb9	1546	status &= 0xFD; // Datarate KO
mluis	0:91d1a7783bb9	1547	}
mluis	0:91d1a7783bb9	1548
mluis	0:91d1a7783bb9	1549	//
mluis	0:91d1a7783bb9	1550	// Remark MaxTxPower = 0 and MinTxPower = 5
mluis	0:91d1a7783bb9	1551	//
mluis	0:91d1a7783bb9	1552	if( ( ( LORAMAC_MAX_TX_POWER <= txPower ) &&
mluis	0:91d1a7783bb9	1553	( txPower <= LORAMAC_MIN_TX_POWER ) ) == false )
mluis	0:91d1a7783bb9	1554	{
mluis	0:91d1a7783bb9	1555	status &= 0xFB; // TxPower KO
mluis	0:91d1a7783bb9	1556	}
mluis	0:91d1a7783bb9	1557	if( ( status & 0x07 ) == 0x07 )
mluis	0:91d1a7783bb9	1558	{
mluis	0:91d1a7783bb9	1559	ChannelsDatarate = datarate;
mluis	0:91d1a7783bb9	1560	ChannelsTxPower = txPower;
mluis	0:91d1a7783bb9	1561	#if defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	1562	ChannelsMask[0] = channelsMask[0] & 0x00FF;
mluis	0:91d1a7783bb9	1563	ChannelsMask[1] = channelsMask[1] & 0x0000;
mluis	0:91d1a7783bb9	1564	ChannelsMask[2] = channelsMask[2] & 0x0000;
mluis	0:91d1a7783bb9	1565	ChannelsMask[3] = channelsMask[3] & 0x0000;
mluis	0:91d1a7783bb9	1566	ChannelsMask[4] = channelsMask[4] & 0x0001;
mluis	0:91d1a7783bb9	1567	ChannelsMask[5] = channelsMask[5] & 0x0000;
mluis	0:91d1a7783bb9	1568	#else
mluis	0:91d1a7783bb9	1569	ChannelsMask[0] = channelsMask[0];
mluis	0:91d1a7783bb9	1570	ChannelsMask[1] = channelsMask[1];
mluis	0:91d1a7783bb9	1571	ChannelsMask[2] = channelsMask[2];
mluis	0:91d1a7783bb9	1572	ChannelsMask[3] = channelsMask[3];
mluis	0:91d1a7783bb9	1573	ChannelsMask[4] = channelsMask[4];
mluis	0:91d1a7783bb9	1574	ChannelsMask[5] = channelsMask[5];
mluis	0:91d1a7783bb9	1575	#endif
mluis	0:91d1a7783bb9	1576	ChannelsNbRep = nbRep;
mluis	0:91d1a7783bb9	1577	}
mluis	0:91d1a7783bb9	1578	AddMacCommand( MOTE_MAC_LINK_ADR_ANS, status, 0 );
mluis	0:91d1a7783bb9	1579	}
mluis	0:91d1a7783bb9	1580	break;
mluis	0:91d1a7783bb9	1581	case SRV_MAC_DUTY_CYCLE_REQ:
mluis	0:91d1a7783bb9	1582	MaxDCycle = payload[macIndex++];
mluis	0:91d1a7783bb9	1583	AggregatedDCycle = 1 << MaxDCycle;
mluis	0:91d1a7783bb9	1584	AddMacCommand( MOTE_MAC_DUTY_CYCLE_ANS, 0, 0 );
mluis	0:91d1a7783bb9	1585	break;
mluis	0:91d1a7783bb9	1586	case SRV_MAC_RX_PARAM_SETUP_REQ:
mluis	0:91d1a7783bb9	1587	{
mluis	0:91d1a7783bb9	1588	uint8_t status = 0x07;
mluis	0:91d1a7783bb9	1589	int8_t datarate = 0;
mluis	0:91d1a7783bb9	1590	int8_t drOffset = 0;
mluis	0:91d1a7783bb9	1591	uint32_t freq = 0;
mluis	0:91d1a7783bb9	1592
mluis	0:91d1a7783bb9	1593	drOffset = payload[macIndex++];
mluis	0:91d1a7783bb9	1594	datarate = drOffset & 0x0F;
mluis	0:91d1a7783bb9	1595	drOffset = ( drOffset >> 4 ) & 0x0F;
mluis	0:91d1a7783bb9	1596
mluis	0:91d1a7783bb9	1597	freq = ( uint32_t )payload[macIndex++];
mluis	0:91d1a7783bb9	1598	freq \|= ( uint32_t )payload[macIndex++] << 8;
mluis	0:91d1a7783bb9	1599	freq \|= ( uint32_t )payload[macIndex++] << 16;
mluis	0:91d1a7783bb9	1600	freq *= 100;
mluis	0:91d1a7783bb9	1601
mluis	0:91d1a7783bb9	1602	if( Radio.CheckRfFrequency( freq ) == false )
mluis	0:91d1a7783bb9	1603	{
mluis	0:91d1a7783bb9	1604	status &= 0xFE; // Channel frequency KO
mluis	0:91d1a7783bb9	1605	}
mluis	0:91d1a7783bb9	1606
mluis	0:91d1a7783bb9	1607	if( ( ( datarate < LORAMAC_MIN_DATARATE ) \|\|
mluis	0:91d1a7783bb9	1608	( datarate > LORAMAC_MAX_DATARATE ) ) == true )
mluis	0:91d1a7783bb9	1609	{
mluis	0:91d1a7783bb9	1610	status &= 0xFD; // Datarate KO
mluis	0:91d1a7783bb9	1611	}
mluis	0:91d1a7783bb9	1612
mluis	0:91d1a7783bb9	1613	if( ( ( drOffset < 0 ) \|\| ( drOffset > 5 ) ) == true )
mluis	0:91d1a7783bb9	1614	{
mluis	0:91d1a7783bb9	1615	status &= 0xFB; // Rx1DrOffset range KO
mluis	0:91d1a7783bb9	1616	}
mluis	0:91d1a7783bb9	1617
mluis	0:91d1a7783bb9	1618	if( ( status & 0x07 ) == 0x07 )
mluis	0:91d1a7783bb9	1619	{
mluis	0:91d1a7783bb9	1620	Rx2Channel.Datarate = datarate;
mluis	0:91d1a7783bb9	1621	Rx2Channel.Frequency = freq;
mluis	0:91d1a7783bb9	1622	Rx1DrOffset = drOffset;
mluis	0:91d1a7783bb9	1623	}
mluis	0:91d1a7783bb9	1624	AddMacCommand( MOTE_MAC_RX_PARAM_SETUP_ANS, status, 0 );
mluis	0:91d1a7783bb9	1625	}
mluis	0:91d1a7783bb9	1626	break;
mluis	0:91d1a7783bb9	1627	case SRV_MAC_DEV_STATUS_REQ:
mluis	0:91d1a7783bb9	1628	AddMacCommand( MOTE_MAC_DEV_STATUS_ANS, LoRaMacGetBatteryLevel( ), LoRaMacEventInfo.RxSnr );
mluis	0:91d1a7783bb9	1629	break;
mluis	0:91d1a7783bb9	1630	case SRV_MAC_NEW_CHANNEL_REQ:
mluis	0:91d1a7783bb9	1631	{
mluis	0:91d1a7783bb9	1632	uint8_t status = 0x03;
mluis	0:91d1a7783bb9	1633	int8_t channelIndex = 0;
mluis	0:91d1a7783bb9	1634	ChannelParams_t chParam;
mluis	0:91d1a7783bb9	1635
mluis	0:91d1a7783bb9	1636	channelIndex = payload[macIndex++];
mluis	0:91d1a7783bb9	1637	chParam.Frequency = ( uint32_t )payload[macIndex++];
mluis	0:91d1a7783bb9	1638	chParam.Frequency \|= ( uint32_t )payload[macIndex++] << 8;
mluis	0:91d1a7783bb9	1639	chParam.Frequency \|= ( uint32_t )payload[macIndex++] << 16;
mluis	0:91d1a7783bb9	1640	chParam.Frequency *= 100;
mluis	0:91d1a7783bb9	1641	chParam.DrRange.Value = payload[macIndex++];
mluis	0:91d1a7783bb9	1642
mluis	0:91d1a7783bb9	1643	if( ( channelIndex < 3 ) \|\| ( channelIndex > LORA_MAX_NB_CHANNELS ) )
mluis	0:91d1a7783bb9	1644	{
mluis	0:91d1a7783bb9	1645	status &= 0xFE; // Channel frequency KO
mluis	0:91d1a7783bb9	1646	}
mluis	0:91d1a7783bb9	1647
mluis	0:91d1a7783bb9	1648	if( Radio.CheckRfFrequency( chParam.Frequency ) == false )
mluis	0:91d1a7783bb9	1649	{
mluis	0:91d1a7783bb9	1650	status &= 0xFE; // Channel frequency KO
mluis	0:91d1a7783bb9	1651	}
mluis	0:91d1a7783bb9	1652
mluis	0:91d1a7783bb9	1653	if( ( chParam.DrRange.Fields.Min > chParam.DrRange.Fields.Max ) \|\|
mluis	0:91d1a7783bb9	1654	( ( ( LORAMAC_MIN_DATARATE <= chParam.DrRange.Fields.Min ) &&
mluis	0:91d1a7783bb9	1655	( chParam.DrRange.Fields.Min <= LORAMAC_MAX_DATARATE ) ) == false ) \|\|
mluis	0:91d1a7783bb9	1656	( ( ( LORAMAC_MIN_DATARATE <= chParam.DrRange.Fields.Max ) &&
mluis	0:91d1a7783bb9	1657	( chParam.DrRange.Fields.Max <= LORAMAC_MAX_DATARATE ) ) == false ) )
mluis	0:91d1a7783bb9	1658	{
mluis	0:91d1a7783bb9	1659	status &= 0xFD; // Datarate range KO
mluis	0:91d1a7783bb9	1660	}
mluis	0:91d1a7783bb9	1661	if( ( status & 0x03 ) == 0x03 )
mluis	0:91d1a7783bb9	1662	{
mluis	0:91d1a7783bb9	1663	LoRaMacSetChannel( channelIndex, chParam );
mluis	0:91d1a7783bb9	1664	}
mluis	0:91d1a7783bb9	1665	AddMacCommand( MOTE_MAC_NEW_CHANNEL_ANS, status, 0 );
mluis	0:91d1a7783bb9	1666	}
mluis	0:91d1a7783bb9	1667	break;
mluis	0:91d1a7783bb9	1668	case SRV_MAC_RX_TIMING_SETUP_REQ:
mluis	0:91d1a7783bb9	1669	{
mluis	0:91d1a7783bb9	1670	uint8_t delay = payload[macIndex++] & 0x0F;
mluis	0:91d1a7783bb9	1671
mluis	0:91d1a7783bb9	1672	if( delay == 0 )
mluis	0:91d1a7783bb9	1673	{
mluis	0:91d1a7783bb9	1674	delay++;
mluis	0:91d1a7783bb9	1675	}
mluis	0:91d1a7783bb9	1676	ReceiveDelay1 = delay * 1e6;
mluis	0:91d1a7783bb9	1677	ReceiveDelay2 = ReceiveDelay1 + 1e6;
mluis	0:91d1a7783bb9	1678	AddMacCommand( MOTE_MAC_RX_TIMING_SETUP_ANS, 0, 0 );
mluis	0:91d1a7783bb9	1679	}
mluis	0:91d1a7783bb9	1680	break;
mluis	0:91d1a7783bb9	1681	default:
mluis	0:91d1a7783bb9	1682	// Unknown command. ABORT MAC commands processing
mluis	0:91d1a7783bb9	1683	return;
mluis	0:91d1a7783bb9	1684	}
mluis	0:91d1a7783bb9	1685	}
mluis	0:91d1a7783bb9	1686	}
mluis	0:91d1a7783bb9	1687
mluis	0:91d1a7783bb9	1688	/*!
mluis	0:91d1a7783bb9	1689	* Function to be executed on Tx Done event
mluis	0:91d1a7783bb9	1690	*/
mluis	0:91d1a7783bb9	1691	static void OnRadioTxDone( void )
mluis	0:91d1a7783bb9	1692	{
mluis	0:91d1a7783bb9	1693	TimerTime_t curTime = TimerGetCurrentTime( );
mluis	0:91d1a7783bb9	1694	if( LoRaMacDeviceClass != CLASS_C )
mluis	0:91d1a7783bb9	1695	{
mluis	0:91d1a7783bb9	1696	Radio.Sleep( );
mluis	0:91d1a7783bb9	1697	}
mluis	0:91d1a7783bb9	1698	else
mluis	0:91d1a7783bb9	1699	{
mluis	0:91d1a7783bb9	1700	OnRxWindow2TimerEvent( );
mluis	0:91d1a7783bb9	1701	}
mluis	0:91d1a7783bb9	1702
mluis	0:91d1a7783bb9	1703	// Update Band Time OFF
mluis	0:91d1a7783bb9	1704	Bands[Channels[Channel].Band].LastTxDoneTime = curTime;
mluis	0:91d1a7783bb9	1705	if( DutyCycleOn == true )
mluis	0:91d1a7783bb9	1706	{
mluis	0:91d1a7783bb9	1707	Bands[Channels[Channel].Band].TimeOff = TxTimeOnAir * Bands[Channels[Channel].Band].DCycle - TxTimeOnAir;
mluis	0:91d1a7783bb9	1708	}
mluis	0:91d1a7783bb9	1709	else
mluis	0:91d1a7783bb9	1710	{
mluis	0:91d1a7783bb9	1711	Bands[Channels[Channel].Band].TimeOff = 0;
mluis	0:91d1a7783bb9	1712	}
mluis	0:91d1a7783bb9	1713	// Update Agregated Time OFF
mluis	0:91d1a7783bb9	1714	AggregatedLastTxDoneTime = curTime;
mluis	0:91d1a7783bb9	1715	AggregatedTimeOff = AggregatedTimeOff + ( TxTimeOnAir * AggregatedDCycle - TxTimeOnAir );
mluis	0:91d1a7783bb9	1716
mluis	0:91d1a7783bb9	1717	if( IsRxWindowsEnabled == true )
mluis	0:91d1a7783bb9	1718	{
mluis	0:91d1a7783bb9	1719	TimerSetValue( &RxWindowTimer1, RxWindow1Delay );
mluis	0:91d1a7783bb9	1720	TimerStart( &RxWindowTimer1 );
mluis	0:91d1a7783bb9	1721	if( LoRaMacDeviceClass != CLASS_C )
mluis	0:91d1a7783bb9	1722	{
mluis	0:91d1a7783bb9	1723	TimerSetValue( &RxWindowTimer2, RxWindow2Delay );
mluis	0:91d1a7783bb9	1724	TimerStart( &RxWindowTimer2 );
mluis	0:91d1a7783bb9	1725	}
mluis	0:91d1a7783bb9	1726	}
mluis	0:91d1a7783bb9	1727	else
mluis	0:91d1a7783bb9	1728	{
mluis	0:91d1a7783bb9	1729	LoRaMacEventFlags.Bits.Tx = 1;
mluis	0:91d1a7783bb9	1730	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis	0:91d1a7783bb9	1731	}
mluis	0:91d1a7783bb9	1732
mluis	0:91d1a7783bb9	1733	if( NodeAckRequested == false )
mluis	0:91d1a7783bb9	1734	{
mluis	0:91d1a7783bb9	1735	ChannelsNbRepCounter++;
mluis	0:91d1a7783bb9	1736	}
mluis	0:91d1a7783bb9	1737	}
mluis	0:91d1a7783bb9	1738
mluis	0:91d1a7783bb9	1739	/*!
mluis	0:91d1a7783bb9	1740	* Function to be executed on Rx Done event
mluis	0:91d1a7783bb9	1741	*/
mluis	0:91d1a7783bb9	1742	static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
mluis	0:91d1a7783bb9	1743	{
mluis	0:91d1a7783bb9	1744	LoRaMacHeader_t macHdr;
mluis	0:91d1a7783bb9	1745	LoRaMacFrameCtrl_t fCtrl;
mluis	0:91d1a7783bb9	1746
mluis	0:91d1a7783bb9	1747	uint8_t pktHeaderLen = 0;
mluis	0:91d1a7783bb9	1748	uint32_t address = 0;
mluis	0:91d1a7783bb9	1749	uint16_t sequenceCounter = 0;
mluis	0:91d1a7783bb9	1750	int32_t sequence = 0;
mluis	0:91d1a7783bb9	1751	uint8_t appPayloadStartIndex = 0;
mluis	0:91d1a7783bb9	1752	uint8_t port = 0xFF;
mluis	0:91d1a7783bb9	1753	uint8_t frameLen = 0;
mluis	0:91d1a7783bb9	1754	uint32_t mic = 0;
mluis	0:91d1a7783bb9	1755	uint32_t micRx = 0;
mluis	0:91d1a7783bb9	1756
mluis	0:91d1a7783bb9	1757	MulticastParams_t *curMulticastParams = NULL;
mluis	0:91d1a7783bb9	1758	uint8_t *nwkSKey = LoRaMacNwkSKey;
mluis	0:91d1a7783bb9	1759	uint8_t *appSKey = LoRaMacAppSKey;
mluis	0:91d1a7783bb9	1760	uint32_t downLinkCounter = 0;
mluis	0:91d1a7783bb9	1761
mluis	0:91d1a7783bb9	1762	bool isMicOk = false;
mluis	0:91d1a7783bb9	1763
mluis	0:91d1a7783bb9	1764	if( LoRaMacDeviceClass != CLASS_C )
mluis	0:91d1a7783bb9	1765	{
mluis	0:91d1a7783bb9	1766	Radio.Sleep( );
mluis	0:91d1a7783bb9	1767	}
mluis	0:91d1a7783bb9	1768	else
mluis	0:91d1a7783bb9	1769	{
mluis	0:91d1a7783bb9	1770	if( LoRaMacEventFlags.Bits.RxSlot == 0 )
mluis	0:91d1a7783bb9	1771	{
mluis	0:91d1a7783bb9	1772	OnRxWindow2TimerEvent( );
mluis	0:91d1a7783bb9	1773	}
mluis	0:91d1a7783bb9	1774	}
mluis	0:91d1a7783bb9	1775	TimerStop( &RxWindowTimer2 );
mluis	0:91d1a7783bb9	1776
mluis	0:91d1a7783bb9	1777	macHdr.Value = payload[pktHeaderLen++];
mluis	0:91d1a7783bb9	1778
mluis	0:91d1a7783bb9	1779	switch( macHdr.Bits.MType )
mluis	0:91d1a7783bb9	1780	{
mluis	0:91d1a7783bb9	1781	case FRAME_TYPE_JOIN_ACCEPT:
mluis	0:91d1a7783bb9	1782	if( IsLoRaMacNetworkJoined == true )
mluis	0:91d1a7783bb9	1783	{
mluis	0:91d1a7783bb9	1784	break;
mluis	0:91d1a7783bb9	1785	}
mluis	0:91d1a7783bb9	1786	LoRaMacJoinDecrypt( payload + 1, size - 1, LoRaMacAppKey, LoRaMacRxPayload + 1 );
mluis	0:91d1a7783bb9	1787
mluis	0:91d1a7783bb9	1788	LoRaMacRxPayload[0] = macHdr.Value;
mluis	0:91d1a7783bb9	1789
mluis	0:91d1a7783bb9	1790	LoRaMacJoinComputeMic( LoRaMacRxPayload, size - LORAMAC_MFR_LEN, LoRaMacAppKey, &mic );
mluis	0:91d1a7783bb9	1791
mluis	0:91d1a7783bb9	1792	micRx \|= ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN];
mluis	0:91d1a7783bb9	1793	micRx \|= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 1] << 8 );
mluis	0:91d1a7783bb9	1794	micRx \|= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 2] << 16 );
mluis	0:91d1a7783bb9	1795	micRx \|= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 3] << 24 );
mluis	0:91d1a7783bb9	1796
mluis	0:91d1a7783bb9	1797	if( micRx == mic )
mluis	0:91d1a7783bb9	1798	{
mluis	0:91d1a7783bb9	1799	LoRaMacEventFlags.Bits.Rx = 1;
mluis	0:91d1a7783bb9	1800	LoRaMacEventInfo.RxSnr = snr;
mluis	0:91d1a7783bb9	1801	LoRaMacEventInfo.RxRssi = rssi;
mluis	0:91d1a7783bb9	1802
mluis	0:91d1a7783bb9	1803	LoRaMacJoinComputeSKeys( LoRaMacAppKey, LoRaMacRxPayload + 1, LoRaMacDevNonce, LoRaMacNwkSKey, LoRaMacAppSKey );
mluis	0:91d1a7783bb9	1804
mluis	0:91d1a7783bb9	1805	LoRaMacNetID = ( uint32_t )LoRaMacRxPayload[4];
mluis	0:91d1a7783bb9	1806	LoRaMacNetID \|= ( ( uint32_t )LoRaMacRxPayload[5] << 8 );
mluis	0:91d1a7783bb9	1807	LoRaMacNetID \|= ( ( uint32_t )LoRaMacRxPayload[6] << 16 );
mluis	0:91d1a7783bb9	1808
mluis	0:91d1a7783bb9	1809	LoRaMacDevAddr = ( uint32_t )LoRaMacRxPayload[7];
mluis	0:91d1a7783bb9	1810	LoRaMacDevAddr \|= ( ( uint32_t )LoRaMacRxPayload[8] << 8 );
mluis	0:91d1a7783bb9	1811	LoRaMacDevAddr \|= ( ( uint32_t )LoRaMacRxPayload[9] << 16 );
mluis	0:91d1a7783bb9	1812	LoRaMacDevAddr \|= ( ( uint32_t )LoRaMacRxPayload[10] << 24 );
mluis	0:91d1a7783bb9	1813
mluis	0:91d1a7783bb9	1814	// DLSettings
mluis	0:91d1a7783bb9	1815	Rx1DrOffset = ( LoRaMacRxPayload[11] >> 4 ) & 0x07;
mluis	0:91d1a7783bb9	1816	Rx2Channel.Datarate = LoRaMacRxPayload[11] & 0x0F;
mluis	0:91d1a7783bb9	1817
mluis	0:91d1a7783bb9	1818	// RxDelay
mluis	0:91d1a7783bb9	1819	ReceiveDelay1 = ( LoRaMacRxPayload[12] & 0x0F );
mluis	0:91d1a7783bb9	1820	if( ReceiveDelay1 == 0 )
mluis	0:91d1a7783bb9	1821	{
mluis	0:91d1a7783bb9	1822	ReceiveDelay1 = 1;
mluis	0:91d1a7783bb9	1823	}
mluis	0:91d1a7783bb9	1824	ReceiveDelay1 *= 1e6;
mluis	0:91d1a7783bb9	1825	ReceiveDelay2 = ReceiveDelay1 + 1e6;
mluis	0:91d1a7783bb9	1826
mluis	0:91d1a7783bb9	1827	#if !( defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID ) )
mluis	0:91d1a7783bb9	1828	//CFList
mluis	0:91d1a7783bb9	1829	if( ( size - 1 ) > 16 )
mluis	0:91d1a7783bb9	1830	{
mluis	0:91d1a7783bb9	1831	ChannelParams_t param;
mluis	0:91d1a7783bb9	1832	param.DrRange.Value = ( DR_5 << 4 ) \| DR_0;
mluis	0:91d1a7783bb9	1833
mluis	0:91d1a7783bb9	1834	for( uint8_t i = 3, j = 0; i < ( 5 + 3 ); i++, j += 3 )
mluis	0:91d1a7783bb9	1835	{
mluis	0:91d1a7783bb9	1836	param.Frequency = ( ( uint32_t )LoRaMacRxPayload[13 + j] \| ( ( uint32_t )LoRaMacRxPayload[14 + j] << 8 ) \| ( ( uint32_t )LoRaMacRxPayload[15 + j] << 16 ) ) * 100;
mluis	0:91d1a7783bb9	1837	LoRaMacSetChannel( i, param );
mluis	0:91d1a7783bb9	1838	}
mluis	0:91d1a7783bb9	1839	}
mluis	0:91d1a7783bb9	1840	#endif
mluis	0:91d1a7783bb9	1841	LoRaMacEventFlags.Bits.JoinAccept = 1;
mluis	0:91d1a7783bb9	1842	IsLoRaMacNetworkJoined = true;
mluis	0:91d1a7783bb9	1843	ChannelsDatarate = ChannelsDefaultDatarate;
mluis	0:91d1a7783bb9	1844	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis	0:91d1a7783bb9	1845	}
mluis	0:91d1a7783bb9	1846	else
mluis	0:91d1a7783bb9	1847	{
mluis	0:91d1a7783bb9	1848	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL;
mluis	0:91d1a7783bb9	1849	}
mluis	0:91d1a7783bb9	1850
mluis	0:91d1a7783bb9	1851	LoRaMacEventFlags.Bits.Tx = 1;
mluis	0:91d1a7783bb9	1852	break;
mluis	0:91d1a7783bb9	1853	case FRAME_TYPE_DATA_CONFIRMED_DOWN:
mluis	0:91d1a7783bb9	1854	case FRAME_TYPE_DATA_UNCONFIRMED_DOWN:
mluis	0:91d1a7783bb9	1855	{
mluis	0:91d1a7783bb9	1856	address = payload[pktHeaderLen++];
mluis	0:91d1a7783bb9	1857	address \|= ( (uint32_t)payload[pktHeaderLen++] << 8 );
mluis	0:91d1a7783bb9	1858	address \|= ( (uint32_t)payload[pktHeaderLen++] << 16 );
mluis	0:91d1a7783bb9	1859	address \|= ( (uint32_t)payload[pktHeaderLen++] << 24 );
mluis	0:91d1a7783bb9	1860
mluis	0:91d1a7783bb9	1861	if( address != LoRaMacDevAddr )
mluis	0:91d1a7783bb9	1862	{
mluis	0:91d1a7783bb9	1863	curMulticastParams = MulticastChannels;
mluis	0:91d1a7783bb9	1864	while( curMulticastParams != NULL )
mluis	0:91d1a7783bb9	1865	{
mluis	0:91d1a7783bb9	1866	if( address == curMulticastParams->Address )
mluis	0:91d1a7783bb9	1867	{
mluis	0:91d1a7783bb9	1868	LoRaMacEventFlags.Bits.Multicast = 1;
mluis	0:91d1a7783bb9	1869	nwkSKey = curMulticastParams->NwkSKey;
mluis	0:91d1a7783bb9	1870	appSKey = curMulticastParams->AppSKey;
mluis	0:91d1a7783bb9	1871	downLinkCounter = curMulticastParams->DownLinkCounter;
mluis	0:91d1a7783bb9	1872	break;
mluis	0:91d1a7783bb9	1873	}
mluis	0:91d1a7783bb9	1874	curMulticastParams = curMulticastParams->Next;
mluis	0:91d1a7783bb9	1875	}
mluis	0:91d1a7783bb9	1876	if( LoRaMacEventFlags.Bits.Multicast == 0 )
mluis	0:91d1a7783bb9	1877	{
mluis	0:91d1a7783bb9	1878	// We are not the destination of this frame.
mluis	0:91d1a7783bb9	1879	LoRaMacEventFlags.Bits.Tx = 1;
mluis	0:91d1a7783bb9	1880	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL;
mluis	0:91d1a7783bb9	1881	LoRaMacState &= ~MAC_TX_RUNNING;
mluis	0:91d1a7783bb9	1882	return;
mluis	0:91d1a7783bb9	1883	}
mluis	0:91d1a7783bb9	1884	}
mluis	0:91d1a7783bb9	1885	else
mluis	0:91d1a7783bb9	1886	{
mluis	0:91d1a7783bb9	1887	LoRaMacEventFlags.Bits.Multicast = 0;
mluis	0:91d1a7783bb9	1888	nwkSKey = LoRaMacNwkSKey;
mluis	0:91d1a7783bb9	1889	appSKey = LoRaMacAppSKey;
mluis	0:91d1a7783bb9	1890	downLinkCounter = DownLinkCounter;
mluis	0:91d1a7783bb9	1891	}
mluis	0:91d1a7783bb9	1892
mluis	0:91d1a7783bb9	1893	if( LoRaMacDeviceClass != CLASS_A )
mluis	0:91d1a7783bb9	1894	{
mluis	0:91d1a7783bb9	1895	LoRaMacState \|= MAC_RX;
mluis	0:91d1a7783bb9	1896	// Starts the MAC layer status check timer
mluis	0:91d1a7783bb9	1897	TimerStart( &MacStateCheckTimer );
mluis	0:91d1a7783bb9	1898	}
mluis	0:91d1a7783bb9	1899	fCtrl.Value = payload[pktHeaderLen++];
mluis	0:91d1a7783bb9	1900
mluis	0:91d1a7783bb9	1901	sequenceCounter \|= ( uint32_t )payload[pktHeaderLen++];
mluis	0:91d1a7783bb9	1902	sequenceCounter \|= ( uint32_t )payload[pktHeaderLen++] << 8;
mluis	0:91d1a7783bb9	1903
mluis	0:91d1a7783bb9	1904	appPayloadStartIndex = 8 + fCtrl.Bits.FOptsLen;
mluis	0:91d1a7783bb9	1905
mluis	0:91d1a7783bb9	1906	micRx \|= ( uint32_t )payload[size - LORAMAC_MFR_LEN];
mluis	0:91d1a7783bb9	1907	micRx \|= ( (uint32_t)payload[size - LORAMAC_MFR_LEN + 1] << 8 );
mluis	0:91d1a7783bb9	1908	micRx \|= ( (uint32_t)payload[size - LORAMAC_MFR_LEN + 2] << 16 );
mluis	0:91d1a7783bb9	1909	micRx \|= ( (uint32_t)payload[size - LORAMAC_MFR_LEN + 3] << 24 );
mluis	0:91d1a7783bb9	1910
mluis	0:91d1a7783bb9	1911	sequence = ( int32_t )sequenceCounter - ( int32_t )( downLinkCounter & 0xFFFF );
mluis	0:91d1a7783bb9	1912	if( sequence < 0 )
mluis	0:91d1a7783bb9	1913	{
mluis	0:91d1a7783bb9	1914	// sequence reset or roll over happened
mluis	0:91d1a7783bb9	1915	downLinkCounter = ( downLinkCounter & 0xFFFF0000 ) \| ( sequenceCounter + ( uint32_t )0x10000 );
mluis	0:91d1a7783bb9	1916	LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic );
mluis	0:91d1a7783bb9	1917	if( micRx == mic )
mluis	0:91d1a7783bb9	1918	{
mluis	0:91d1a7783bb9	1919	isMicOk = true;
mluis	0:91d1a7783bb9	1920	}
mluis	0:91d1a7783bb9	1921	else
mluis	0:91d1a7783bb9	1922	{
mluis	0:91d1a7783bb9	1923	isMicOk = false;
mluis	0:91d1a7783bb9	1924	// sequence reset
mluis	0:91d1a7783bb9	1925	if( LoRaMacEventFlags.Bits.Multicast == 1 )
mluis	0:91d1a7783bb9	1926	{
mluis	0:91d1a7783bb9	1927	curMulticastParams->DownLinkCounter = downLinkCounter = sequenceCounter;
mluis	0:91d1a7783bb9	1928	}
mluis	0:91d1a7783bb9	1929	else
mluis	0:91d1a7783bb9	1930	{
mluis	0:91d1a7783bb9	1931	DownLinkCounter = downLinkCounter = sequenceCounter;
mluis	0:91d1a7783bb9	1932	}
mluis	0:91d1a7783bb9	1933	LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic );
mluis	0:91d1a7783bb9	1934	}
mluis	0:91d1a7783bb9	1935	}
mluis	0:91d1a7783bb9	1936	else
mluis	0:91d1a7783bb9	1937	{
mluis	0:91d1a7783bb9	1938	downLinkCounter = ( downLinkCounter & 0xFFFF0000 ) \| sequenceCounter;
mluis	0:91d1a7783bb9	1939	LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic );
mluis	0:91d1a7783bb9	1940	}
mluis	0:91d1a7783bb9	1941
mluis	0:91d1a7783bb9	1942	if( ( isMicOk == true ) \|\|
mluis	0:91d1a7783bb9	1943	( micRx == mic ) )
mluis	0:91d1a7783bb9	1944	{
mluis	0:91d1a7783bb9	1945	LoRaMacEventFlags.Bits.Rx = 1;
mluis	0:91d1a7783bb9	1946	LoRaMacEventInfo.RxSnr = snr;
mluis	0:91d1a7783bb9	1947	LoRaMacEventInfo.RxRssi = rssi;
mluis	0:91d1a7783bb9	1948	LoRaMacEventInfo.RxBufferSize = 0;
mluis	0:91d1a7783bb9	1949	AdrAckCounter = 0;
mluis	0:91d1a7783bb9	1950	if( LoRaMacEventFlags.Bits.Multicast == 1 )
mluis	0:91d1a7783bb9	1951	{
mluis	0:91d1a7783bb9	1952	curMulticastParams->DownLinkCounter = downLinkCounter;
mluis	0:91d1a7783bb9	1953	}
mluis	0:91d1a7783bb9	1954	else
mluis	0:91d1a7783bb9	1955	{
mluis	0:91d1a7783bb9	1956	DownLinkCounter = downLinkCounter;
mluis	0:91d1a7783bb9	1957	}
mluis	0:91d1a7783bb9	1958
mluis	0:91d1a7783bb9	1959	if( macHdr.Bits.MType == FRAME_TYPE_DATA_CONFIRMED_DOWN )
mluis	0:91d1a7783bb9	1960	{
mluis	0:91d1a7783bb9	1961	SrvAckRequested = true;
mluis	0:91d1a7783bb9	1962	}
mluis	0:91d1a7783bb9	1963	else
mluis	0:91d1a7783bb9	1964	{
mluis	0:91d1a7783bb9	1965	SrvAckRequested = false;
mluis	0:91d1a7783bb9	1966	}
mluis	0:91d1a7783bb9	1967	// Check if the frame is an acknowledgement
mluis	0:91d1a7783bb9	1968	if( fCtrl.Bits.Ack == 1 )
mluis	0:91d1a7783bb9	1969	{
mluis	0:91d1a7783bb9	1970	LoRaMacEventInfo.TxAckReceived = true;
mluis	0:91d1a7783bb9	1971
mluis	0:91d1a7783bb9	1972	// Stop the AckTimeout timer as no more retransmissions
mluis	0:91d1a7783bb9	1973	// are needed.
mluis	0:91d1a7783bb9	1974	TimerStop( &AckTimeoutTimer );
mluis	0:91d1a7783bb9	1975	}
mluis	0:91d1a7783bb9	1976	else
mluis	0:91d1a7783bb9	1977	{
mluis	0:91d1a7783bb9	1978	LoRaMacEventInfo.TxAckReceived = false;
mluis	0:91d1a7783bb9	1979	if( AckTimeoutRetriesCounter > AckTimeoutRetries )
mluis	0:91d1a7783bb9	1980	{
mluis	0:91d1a7783bb9	1981	// Stop the AckTimeout timer as no more retransmissions
mluis	0:91d1a7783bb9	1982	// are needed.
mluis	0:91d1a7783bb9	1983	TimerStop( &AckTimeoutTimer );
mluis	0:91d1a7783bb9	1984	}
mluis	0:91d1a7783bb9	1985	}
mluis	0:91d1a7783bb9	1986
mluis	0:91d1a7783bb9	1987	if( fCtrl.Bits.FOptsLen > 0 )
mluis	0:91d1a7783bb9	1988	{
mluis	0:91d1a7783bb9	1989	// Decode Options field MAC commands
mluis	0:91d1a7783bb9	1990	LoRaMacProcessMacCommands( payload, 8, appPayloadStartIndex );
mluis	0:91d1a7783bb9	1991	}
mluis	0:91d1a7783bb9	1992
mluis	0:91d1a7783bb9	1993	if( ( ( size - 4 ) - appPayloadStartIndex ) > 0 )
mluis	0:91d1a7783bb9	1994	{
mluis	0:91d1a7783bb9	1995	port = payload[appPayloadStartIndex++];
mluis	0:91d1a7783bb9	1996	frameLen = ( size - 4 ) - appPayloadStartIndex;
mluis	0:91d1a7783bb9	1997
mluis	0:91d1a7783bb9	1998	if( port == 0 )
mluis	0:91d1a7783bb9	1999	{
mluis	0:91d1a7783bb9	2000	LoRaMacPayloadDecrypt( payload + appPayloadStartIndex,
mluis	0:91d1a7783bb9	2001	frameLen,
mluis	0:91d1a7783bb9	2002	nwkSKey,
mluis	0:91d1a7783bb9	2003	address,
mluis	0:91d1a7783bb9	2004	DOWN_LINK,
mluis	0:91d1a7783bb9	2005	downLinkCounter,
mluis	0:91d1a7783bb9	2006	LoRaMacRxPayload );
mluis	0:91d1a7783bb9	2007
mluis	0:91d1a7783bb9	2008	// Decode frame payload MAC commands
mluis	0:91d1a7783bb9	2009	LoRaMacProcessMacCommands( LoRaMacRxPayload, 0, frameLen );
mluis	0:91d1a7783bb9	2010	}
mluis	0:91d1a7783bb9	2011	else
mluis	0:91d1a7783bb9	2012	{
mluis	0:91d1a7783bb9	2013	LoRaMacPayloadDecrypt( payload + appPayloadStartIndex,
mluis	0:91d1a7783bb9	2014	frameLen,
mluis	0:91d1a7783bb9	2015	appSKey,
mluis	0:91d1a7783bb9	2016	address,
mluis	0:91d1a7783bb9	2017	DOWN_LINK,
mluis	0:91d1a7783bb9	2018	downLinkCounter,
mluis	0:91d1a7783bb9	2019	LoRaMacRxPayload );
mluis	0:91d1a7783bb9	2020
mluis	0:91d1a7783bb9	2021	LoRaMacEventFlags.Bits.RxData = 1;
mluis	0:91d1a7783bb9	2022	LoRaMacEventInfo.RxPort = port;
mluis	0:91d1a7783bb9	2023	LoRaMacEventInfo.RxBuffer = LoRaMacRxPayload;
mluis	0:91d1a7783bb9	2024	LoRaMacEventInfo.RxBufferSize = frameLen;
mluis	0:91d1a7783bb9	2025	}
mluis	0:91d1a7783bb9	2026	}
mluis	0:91d1a7783bb9	2027
mluis	0:91d1a7783bb9	2028	LoRaMacEventFlags.Bits.Tx = 1;
mluis	0:91d1a7783bb9	2029	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis	0:91d1a7783bb9	2030	}
mluis	0:91d1a7783bb9	2031	else
mluis	0:91d1a7783bb9	2032	{
mluis	0:91d1a7783bb9	2033	LoRaMacEventInfo.TxAckReceived = false;
mluis	0:91d1a7783bb9	2034
mluis	0:91d1a7783bb9	2035	LoRaMacEventFlags.Bits.Tx = 1;
mluis	0:91d1a7783bb9	2036	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_MIC_FAIL;
mluis	0:91d1a7783bb9	2037	LoRaMacState &= ~MAC_TX_RUNNING;
mluis	0:91d1a7783bb9	2038	}
mluis	0:91d1a7783bb9	2039	}
mluis	0:91d1a7783bb9	2040	break;
mluis	0:91d1a7783bb9	2041	case FRAME_TYPE_PROPRIETARY:
mluis	0:91d1a7783bb9	2042	//Intentional falltrough
mluis	0:91d1a7783bb9	2043	default:
mluis	0:91d1a7783bb9	2044	LoRaMacEventFlags.Bits.Tx = 1;
mluis	0:91d1a7783bb9	2045	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ERROR;
mluis	0:91d1a7783bb9	2046	LoRaMacState &= ~MAC_TX_RUNNING;
mluis	0:91d1a7783bb9	2047	break;
mluis	0:91d1a7783bb9	2048	}
mluis	0:91d1a7783bb9	2049	}
mluis	0:91d1a7783bb9	2050
mluis	0:91d1a7783bb9	2051	/*!
mluis	0:91d1a7783bb9	2052	* Function executed on Radio Tx Timeout event
mluis	0:91d1a7783bb9	2053	*/
mluis	0:91d1a7783bb9	2054	static void OnRadioTxTimeout( void )
mluis	0:91d1a7783bb9	2055	{
mluis	0:91d1a7783bb9	2056	if( LoRaMacDeviceClass != CLASS_C )
mluis	0:91d1a7783bb9	2057	{
mluis	0:91d1a7783bb9	2058	Radio.Sleep( );
mluis	0:91d1a7783bb9	2059	}
mluis	0:91d1a7783bb9	2060	else
mluis	0:91d1a7783bb9	2061	{
mluis	0:91d1a7783bb9	2062	OnRxWindow2TimerEvent( );
mluis	0:91d1a7783bb9	2063	}
mluis	0:91d1a7783bb9	2064
mluis	0:91d1a7783bb9	2065	LoRaMacEventFlags.Bits.Tx = 1;
mluis	0:91d1a7783bb9	2066	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT;
mluis	0:91d1a7783bb9	2067	}
mluis	0:91d1a7783bb9	2068
mluis	0:91d1a7783bb9	2069	/*!
mluis	0:91d1a7783bb9	2070	* Function executed on Radio Rx Timeout event
mluis	0:91d1a7783bb9	2071	*/
mluis	0:91d1a7783bb9	2072	static void OnRadioRxTimeout( void )
mluis	0:91d1a7783bb9	2073	{
mluis	0:91d1a7783bb9	2074	if( LoRaMacDeviceClass != CLASS_C )
mluis	0:91d1a7783bb9	2075	{
mluis	0:91d1a7783bb9	2076	Radio.Sleep( );
mluis	0:91d1a7783bb9	2077	}
mluis	0:91d1a7783bb9	2078	if( LoRaMacEventFlags.Bits.RxSlot == 1 )
mluis	0:91d1a7783bb9	2079	{
mluis	0:91d1a7783bb9	2080	LoRaMacEventFlags.Bits.Tx = 1;
mluis	0:91d1a7783bb9	2081	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_RX2_TIMEOUT;
mluis	0:91d1a7783bb9	2082	}
mluis	0:91d1a7783bb9	2083	}
mluis	0:91d1a7783bb9	2084
mluis	0:91d1a7783bb9	2085	/*!
mluis	0:91d1a7783bb9	2086	* Function executed on Radio Rx Error event
mluis	0:91d1a7783bb9	2087	*/
mluis	0:91d1a7783bb9	2088	static void OnRadioRxError( void )
mluis	0:91d1a7783bb9	2089	{
mluis	0:91d1a7783bb9	2090	if( LoRaMacDeviceClass != CLASS_C )
mluis	0:91d1a7783bb9	2091	{
mluis	0:91d1a7783bb9	2092	Radio.Sleep( );
mluis	0:91d1a7783bb9	2093	}
mluis	0:91d1a7783bb9	2094	if( LoRaMacEventFlags.Bits.RxSlot == 1 )
mluis	0:91d1a7783bb9	2095	{
mluis	0:91d1a7783bb9	2096	LoRaMacEventFlags.Bits.Tx = 1;
mluis	0:91d1a7783bb9	2097	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_RX2_ERROR;
mluis	0:91d1a7783bb9	2098	}
mluis	0:91d1a7783bb9	2099	}
mluis	0:91d1a7783bb9	2100
mluis	0:91d1a7783bb9	2101	/*!
mluis	0:91d1a7783bb9	2102	* Initializes and opens the reception window
mluis	0:91d1a7783bb9	2103	*
mluis	0:91d1a7783bb9	2104	* \param [IN] freq window channel frequency
mluis	0:91d1a7783bb9	2105	* \param [IN] datarate window channel datarate
mluis	0:91d1a7783bb9	2106	* \param [IN] bandwidth window channel bandwidth
mluis	0:91d1a7783bb9	2107	* \param [IN] timeout window channel timeout
mluis	0:91d1a7783bb9	2108	*/
mluis	0:91d1a7783bb9	2109	void LoRaMacRxWindowSetup( uint32_t freq, int8_t datarate, uint32_t bandwidth, uint16_t timeout, bool rxContinuous )
mluis	0:91d1a7783bb9	2110	{
mluis	0:91d1a7783bb9	2111	if( Radio.GetStatus( ) == IDLE )
mluis	0:91d1a7783bb9	2112	{
mluis	0:91d1a7783bb9	2113	Radio.SetChannel( freq );
mluis	0:91d1a7783bb9	2114	if( datarate == DR_7 )
mluis	0:91d1a7783bb9	2115	{
mluis	0:91d1a7783bb9	2116	Radio.SetRxConfig( MODEM_FSK, 50e3, Datarates[datarate] * 1e3, 0, 83.333e3, 5, 0, false, 0, true, 0, 0, false, rxContinuous );
mluis	0:91d1a7783bb9	2117	}
mluis	0:91d1a7783bb9	2118	else
mluis	0:91d1a7783bb9	2119	{
mluis	0:91d1a7783bb9	2120	Radio.SetRxConfig( MODEM_LORA, bandwidth, Datarates[datarate], 1, 0, 8, timeout, false, 0, false, 0, 0, true, rxContinuous );
mluis	0:91d1a7783bb9	2121	}
mluis	0:91d1a7783bb9	2122	if( rxContinuous == false )
mluis	0:91d1a7783bb9	2123	{
mluis	0:91d1a7783bb9	2124	Radio.Rx( MaxRxWindow );
mluis	0:91d1a7783bb9	2125	}
mluis	0:91d1a7783bb9	2126	else
mluis	0:91d1a7783bb9	2127	{
mluis	0:91d1a7783bb9	2128	Radio.Rx( 0 ); // Continuous mode
mluis	0:91d1a7783bb9	2129	}
mluis	0:91d1a7783bb9	2130	}
mluis	0:91d1a7783bb9	2131	}
mluis	0:91d1a7783bb9	2132
mluis	0:91d1a7783bb9	2133	/*!
mluis	0:91d1a7783bb9	2134	* Function executed on first Rx window timer event
mluis	0:91d1a7783bb9	2135	*/
mluis	0:91d1a7783bb9	2136	static void OnRxWindow1TimerEvent( void )
mluis	0:91d1a7783bb9	2137	{
mluis	0:91d1a7783bb9	2138	uint16_t symbTimeout = 5; // DR_2, DR_1, DR_0
mluis	0:91d1a7783bb9	2139	int8_t datarate = 0;
mluis	0:91d1a7783bb9	2140	uint32_t bandwidth = 0; // LoRa 125 kHz
mluis	0:91d1a7783bb9	2141
mluis	0:91d1a7783bb9	2142	TimerStop( &RxWindowTimer1 );
mluis	0:91d1a7783bb9	2143	LoRaMacEventFlags.Bits.RxSlot = 0;
mluis	0:91d1a7783bb9	2144
mluis	0:91d1a7783bb9	2145	#if defined( USE_BAND_433 ) \|\| defined( USE_BAND_780 ) \|\| defined( USE_BAND_868 )
mluis	0:91d1a7783bb9	2146	datarate = ChannelsDatarate - Rx1DrOffset;
mluis	0:91d1a7783bb9	2147	if( datarate < 0 )
mluis	0:91d1a7783bb9	2148	{
mluis	0:91d1a7783bb9	2149	datarate = DR_0;
mluis	0:91d1a7783bb9	2150	}
mluis	0:91d1a7783bb9	2151
mluis	0:91d1a7783bb9	2152	// For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis	0:91d1a7783bb9	2153	if( datarate >= DR_3 )
mluis	0:91d1a7783bb9	2154	{ // DR_6, DR_5, DR_4, DR_3
mluis	0:91d1a7783bb9	2155	symbTimeout = 8;
mluis	0:91d1a7783bb9	2156	}
mluis	0:91d1a7783bb9	2157	if( datarate == DR_6 )
mluis	0:91d1a7783bb9	2158	{// LoRa 250 kHz
mluis	0:91d1a7783bb9	2159	bandwidth = 1;
mluis	0:91d1a7783bb9	2160	}
mluis	0:91d1a7783bb9	2161	LoRaMacRxWindowSetup( Channels[Channel].Frequency, datarate, bandwidth, symbTimeout, false );
mluis	0:91d1a7783bb9	2162	#elif ( defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID ) )
mluis	0:91d1a7783bb9	2163	datarate = datarateOffsets[ChannelsDatarate][Rx1DrOffset];
mluis	0:91d1a7783bb9	2164	if( datarate < 0 )
mluis	0:91d1a7783bb9	2165	{
mluis	0:91d1a7783bb9	2166	datarate = DR_0;
mluis	0:91d1a7783bb9	2167	}
mluis	0:91d1a7783bb9	2168	// For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis	0:91d1a7783bb9	2169	if( datarate > DR_0 )
mluis	0:91d1a7783bb9	2170	{ // DR_1, DR_2, DR_3, DR_4, DR_8, DR_9, DR_10, DR_11, DR_12, DR_13
mluis	0:91d1a7783bb9	2171	symbTimeout = 8;
mluis	0:91d1a7783bb9	2172	}
mluis	0:91d1a7783bb9	2173	if( datarate >= DR_4 )
mluis	0:91d1a7783bb9	2174	{// LoRa 500 kHz
mluis	0:91d1a7783bb9	2175	bandwidth = 2;
mluis	0:91d1a7783bb9	2176	}
mluis	0:91d1a7783bb9	2177	//LoRaMacRxWindowSetup( Channels[Channel].Frequency, datarate, bandwidth, symbTimeout, false );
mluis	0:91d1a7783bb9	2178	LoRaMacRxWindowSetup( 923.3e6 + ( Channel % 8 ) * 600e3, datarate, bandwidth, symbTimeout, false );
mluis	0:91d1a7783bb9	2179	#else
mluis	0:91d1a7783bb9	2180	#error "Please define a frequency band in the compiler options."
mluis	0:91d1a7783bb9	2181	#endif
mluis	0:91d1a7783bb9	2182	}
mluis	0:91d1a7783bb9	2183
mluis	0:91d1a7783bb9	2184	/*!
mluis	0:91d1a7783bb9	2185	* Function executed on second Rx window timer event
mluis	0:91d1a7783bb9	2186	*/
mluis	0:91d1a7783bb9	2187	static void OnRxWindow2TimerEvent( void )
mluis	0:91d1a7783bb9	2188	{
mluis	0:91d1a7783bb9	2189	uint16_t symbTimeout = 5; // DR_2, DR_1, DR_0
mluis	0:91d1a7783bb9	2190	uint32_t bandwidth = 0; // LoRa 125 kHz
mluis	0:91d1a7783bb9	2191
mluis	0:91d1a7783bb9	2192	TimerStop( &RxWindowTimer2 );
mluis	0:91d1a7783bb9	2193	LoRaMacEventFlags.Bits.RxSlot = 1;
mluis	0:91d1a7783bb9	2194
mluis	0:91d1a7783bb9	2195	if( NodeAckRequested == true )
mluis	0:91d1a7783bb9	2196	{
mluis	0:91d1a7783bb9	2197	TimerSetValue( &AckTimeoutTimer, ACK_TIMEOUT + randr( -ACK_TIMEOUT_RND, ACK_TIMEOUT_RND ) );
mluis	0:91d1a7783bb9	2198	TimerStart( &AckTimeoutTimer );
mluis	0:91d1a7783bb9	2199	}
mluis	0:91d1a7783bb9	2200
mluis	0:91d1a7783bb9	2201	#if defined( USE_BAND_433 ) \|\| defined( USE_BAND_780 ) \|\| defined( USE_BAND_868 )
mluis	0:91d1a7783bb9	2202	// For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis	0:91d1a7783bb9	2203	if( Rx2Channel.Datarate >= DR_3 )
mluis	0:91d1a7783bb9	2204	{ // DR_6, DR_5, DR_4, DR_3
mluis	0:91d1a7783bb9	2205	symbTimeout = 8;
mluis	0:91d1a7783bb9	2206	}
mluis	0:91d1a7783bb9	2207	if( Rx2Channel.Datarate == DR_6 )
mluis	0:91d1a7783bb9	2208	{// LoRa 250 kHz
mluis	0:91d1a7783bb9	2209	bandwidth = 1;
mluis	0:91d1a7783bb9	2210	}
mluis	0:91d1a7783bb9	2211	#elif ( defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID ) )
mluis	0:91d1a7783bb9	2212	// For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis	0:91d1a7783bb9	2213	if( Rx2Channel.Datarate > DR_0 )
mluis	0:91d1a7783bb9	2214	{ // DR_1, DR_2, DR_3, DR_4, DR_8, DR_9, DR_10, DR_11, DR_12, DR_13
mluis	0:91d1a7783bb9	2215	symbTimeout = 8;
mluis	0:91d1a7783bb9	2216	}
mluis	0:91d1a7783bb9	2217	if( Rx2Channel.Datarate >= DR_4 )
mluis	0:91d1a7783bb9	2218	{// LoRa 500 kHz
mluis	0:91d1a7783bb9	2219	bandwidth = 2;
mluis	0:91d1a7783bb9	2220	}
mluis	0:91d1a7783bb9	2221	#else
mluis	0:91d1a7783bb9	2222	#error "Please define a frequency band in the compiler options."
mluis	0:91d1a7783bb9	2223	#endif
mluis	0:91d1a7783bb9	2224	if( LoRaMacDeviceClass != CLASS_C )
mluis	0:91d1a7783bb9	2225	{
mluis	0:91d1a7783bb9	2226	LoRaMacRxWindowSetup( Rx2Channel.Frequency, Rx2Channel.Datarate, bandwidth, symbTimeout, false );
mluis	0:91d1a7783bb9	2227	}
mluis	0:91d1a7783bb9	2228	else
mluis	0:91d1a7783bb9	2229	{
mluis	0:91d1a7783bb9	2230	LoRaMacRxWindowSetup( Rx2Channel.Frequency, Rx2Channel.Datarate, bandwidth, symbTimeout, true );
mluis	0:91d1a7783bb9	2231	}
mluis	0:91d1a7783bb9	2232	}
mluis	0:91d1a7783bb9	2233
mluis	0:91d1a7783bb9	2234	/*!
mluis	0:91d1a7783bb9	2235	* Function executed on MacStateCheck timer event
mluis	0:91d1a7783bb9	2236	*/
mluis	0:91d1a7783bb9	2237	static void OnMacStateCheckTimerEvent( void )
mluis	0:91d1a7783bb9	2238	{
mluis	0:91d1a7783bb9	2239	TimerStop( &MacStateCheckTimer );
mluis	0:91d1a7783bb9	2240
mluis	0:91d1a7783bb9	2241	if( LoRaMacEventFlags.Bits.Tx == 1 )
mluis	0:91d1a7783bb9	2242	{
mluis	0:91d1a7783bb9	2243	if( NodeAckRequested == false )
mluis	0:91d1a7783bb9	2244	{
mluis	0:91d1a7783bb9	2245	if( LoRaMacEventFlags.Bits.JoinAccept == true )
mluis	0:91d1a7783bb9	2246	{
mluis	0:91d1a7783bb9	2247	// Join messages aren't repeated automatically
mluis	0:91d1a7783bb9	2248	ChannelsNbRepCounter = ChannelsNbRep;
mluis	0:91d1a7783bb9	2249	UpLinkCounter = 0;
mluis	0:91d1a7783bb9	2250	}
mluis	0:91d1a7783bb9	2251	if( ChannelsNbRepCounter >= ChannelsNbRep )
mluis	0:91d1a7783bb9	2252	{
mluis	0:91d1a7783bb9	2253	ChannelsNbRepCounter = 0;
mluis	0:91d1a7783bb9	2254
mluis	0:91d1a7783bb9	2255	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis	0:91d1a7783bb9	2256
mluis	0:91d1a7783bb9	2257	AdrAckCounter++;
mluis	0:91d1a7783bb9	2258	if( IsUpLinkCounterFixed == false )
mluis	0:91d1a7783bb9	2259	{
mluis	0:91d1a7783bb9	2260	UpLinkCounter++;
mluis	0:91d1a7783bb9	2261	}
mluis	0:91d1a7783bb9	2262
mluis	0:91d1a7783bb9	2263	LoRaMacState &= ~MAC_TX_RUNNING;
mluis	0:91d1a7783bb9	2264	}
mluis	0:91d1a7783bb9	2265	else
mluis	0:91d1a7783bb9	2266	{
mluis	0:91d1a7783bb9	2267	LoRaMacEventFlags.Bits.Tx = 0;
mluis	0:91d1a7783bb9	2268	// Sends the same frame again
mluis	0:91d1a7783bb9	2269	if( LoRaMacSetNextChannel( ) == 0 )
mluis	0:91d1a7783bb9	2270	{
mluis	0:91d1a7783bb9	2271	LoRaMacSendFrameOnChannel( Channels[Channel] );
mluis	0:91d1a7783bb9	2272	}
mluis	0:91d1a7783bb9	2273	}
mluis	0:91d1a7783bb9	2274	}
mluis	0:91d1a7783bb9	2275
mluis	0:91d1a7783bb9	2276	if( LoRaMacEventFlags.Bits.Rx == 1 )
mluis	0:91d1a7783bb9	2277	{
mluis	0:91d1a7783bb9	2278	if( ( LoRaMacEventInfo.TxAckReceived == true ) \|\| ( AckTimeoutRetriesCounter > AckTimeoutRetries ) )
mluis	0:91d1a7783bb9	2279	{
mluis	0:91d1a7783bb9	2280	AckTimeoutRetry = false;
mluis	0:91d1a7783bb9	2281	if( IsUpLinkCounterFixed == false )
mluis	0:91d1a7783bb9	2282	{
mluis	0:91d1a7783bb9	2283	UpLinkCounter++;
mluis	0:91d1a7783bb9	2284	}
mluis	0:91d1a7783bb9	2285	LoRaMacEventInfo.TxNbRetries = AckTimeoutRetriesCounter;
mluis	0:91d1a7783bb9	2286
mluis	0:91d1a7783bb9	2287	LoRaMacState &= ~MAC_TX_RUNNING;
mluis	0:91d1a7783bb9	2288	}
mluis	0:91d1a7783bb9	2289	}
mluis	0:91d1a7783bb9	2290
mluis	0:91d1a7783bb9	2291	if( ( AckTimeoutRetry == true ) && ( ( LoRaMacState & MAC_CHANNEL_CHECK ) == 0 ) )
mluis	0:91d1a7783bb9	2292	{
mluis	0:91d1a7783bb9	2293	AckTimeoutRetry = false;
mluis	0:91d1a7783bb9	2294	if( ( AckTimeoutRetriesCounter < AckTimeoutRetries ) && ( AckTimeoutRetriesCounter <= MAX_ACK_RETRIES ) )
mluis	0:91d1a7783bb9	2295	{
mluis	0:91d1a7783bb9	2296	AckTimeoutRetriesCounter++;
mluis	0:91d1a7783bb9	2297
mluis	0:91d1a7783bb9	2298	if( ( AckTimeoutRetriesCounter % 2 ) == 1 )
mluis	0:91d1a7783bb9	2299	{
mluis	0:91d1a7783bb9	2300	ChannelsDatarate = MAX( ChannelsDatarate - 1, LORAMAC_MIN_DATARATE );
mluis	0:91d1a7783bb9	2301	}
mluis	0:91d1a7783bb9	2302	LoRaMacEventFlags.Bits.Tx = 0;
mluis	0:91d1a7783bb9	2303	// Sends the same frame again
mluis	0:91d1a7783bb9	2304	if( LoRaMacSetNextChannel( ) == 0 )
mluis	0:91d1a7783bb9	2305	{
mluis	0:91d1a7783bb9	2306	LoRaMacSendFrameOnChannel( Channels[Channel] );
mluis	0:91d1a7783bb9	2307	}
mluis	0:91d1a7783bb9	2308	}
mluis	0:91d1a7783bb9	2309	else
mluis	0:91d1a7783bb9	2310	{
mluis	0:91d1a7783bb9	2311	#if defined( USE_BAND_433 ) \|\| defined( USE_BAND_780 ) \|\| defined( USE_BAND_868 )
mluis	0:91d1a7783bb9	2312	// Re-enable default channels LC1, LC2, LC3
mluis	0:91d1a7783bb9	2313	ChannelsMask[0] = ChannelsMask[0] \| ( LC( 1 ) + LC( 2 ) + LC( 3 ) );
mluis	0:91d1a7783bb9	2314	#elif defined( USE_BAND_915 )
mluis	0:91d1a7783bb9	2315	// Re-enable default channels
mluis	0:91d1a7783bb9	2316	ChannelsMask[0] = 0xFFFF;
mluis	0:91d1a7783bb9	2317	ChannelsMask[1] = 0xFFFF;
mluis	0:91d1a7783bb9	2318	ChannelsMask[2] = 0xFFFF;
mluis	0:91d1a7783bb9	2319	ChannelsMask[3] = 0xFFFF;
mluis	0:91d1a7783bb9	2320	ChannelsMask[4] = 0x00FF;
mluis	0:91d1a7783bb9	2321	ChannelsMask[5] = 0x0000;
mluis	0:91d1a7783bb9	2322	#elif defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	2323	// Re-enable default channels
mluis	0:91d1a7783bb9	2324	ChannelsMask[0] = 0x00FF;
mluis	0:91d1a7783bb9	2325	ChannelsMask[1] = 0x0000;
mluis	0:91d1a7783bb9	2326	ChannelsMask[2] = 0x0000;
mluis	0:91d1a7783bb9	2327	ChannelsMask[3] = 0x0000;
mluis	0:91d1a7783bb9	2328	ChannelsMask[4] = 0x0001;
mluis	0:91d1a7783bb9	2329	ChannelsMask[5] = 0x0000;
mluis	0:91d1a7783bb9	2330	#else
mluis	0:91d1a7783bb9	2331	#error "Please define a frequency band in the compiler options."
mluis	0:91d1a7783bb9	2332	#endif
mluis	0:91d1a7783bb9	2333	LoRaMacState &= ~MAC_TX_RUNNING;
mluis	0:91d1a7783bb9	2334
mluis	0:91d1a7783bb9	2335	LoRaMacEventInfo.TxAckReceived = false;
mluis	0:91d1a7783bb9	2336	LoRaMacEventInfo.TxNbRetries = AckTimeoutRetriesCounter;
mluis	0:91d1a7783bb9	2337	if( IsUpLinkCounterFixed == false )
mluis	0:91d1a7783bb9	2338	{
mluis	0:91d1a7783bb9	2339	UpLinkCounter++;
mluis	0:91d1a7783bb9	2340	}
mluis	0:91d1a7783bb9	2341	LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis	0:91d1a7783bb9	2342	}
mluis	0:91d1a7783bb9	2343	}
mluis	0:91d1a7783bb9	2344	}
mluis	0:91d1a7783bb9	2345	// Handle reception for Class B and Class C
mluis	0:91d1a7783bb9	2346	if( ( LoRaMacState & MAC_RX ) == MAC_RX )
mluis	0:91d1a7783bb9	2347	{
mluis	0:91d1a7783bb9	2348	LoRaMacState &= ~MAC_RX;
mluis	0:91d1a7783bb9	2349	}
mluis	0:91d1a7783bb9	2350	if( LoRaMacState == MAC_IDLE )
mluis	0:91d1a7783bb9	2351	{
mluis	0:91d1a7783bb9	2352	LoRaMacNotify( &LoRaMacEventFlags, &LoRaMacEventInfo );
mluis	0:91d1a7783bb9	2353	}
mluis	0:91d1a7783bb9	2354	else
mluis	0:91d1a7783bb9	2355	{
mluis	0:91d1a7783bb9	2356	// Operation not finished restart timer
mluis	0:91d1a7783bb9	2357	TimerStart( &MacStateCheckTimer );
mluis	0:91d1a7783bb9	2358	}
mluis	0:91d1a7783bb9	2359	}
mluis	0:91d1a7783bb9	2360
mluis	0:91d1a7783bb9	2361	static void OnAckTimeoutTimerEvent( void )
mluis	0:91d1a7783bb9	2362	{
mluis	0:91d1a7783bb9	2363	TimerStop( &AckTimeoutTimer );
mluis	0:91d1a7783bb9	2364
mluis	0:91d1a7783bb9	2365	AckTimeoutRetry = true;
mluis	0:91d1a7783bb9	2366	LoRaMacState &= ~MAC_ACK_REQ;
mluis	0:91d1a7783bb9	2367	}
mluis	0:91d1a7783bb9	2368
mluis	0:91d1a7783bb9	2369	/*!
mluis	0:91d1a7783bb9	2370	* ============================================================================
mluis	0:91d1a7783bb9	2371	* = LoRaMac utility functions =
mluis	0:91d1a7783bb9	2372	* ============================================================================
mluis	0:91d1a7783bb9	2373	*/
mluis	0:91d1a7783bb9	2374	static bool ValidatePayloadLength( uint8_t lenN, int8_t datarate )
mluis	0:91d1a7783bb9	2375	{
mluis	0:91d1a7783bb9	2376	bool payloadSizeOk = false;
mluis	0:91d1a7783bb9	2377	uint8_t maxN = 0;
mluis	0:91d1a7783bb9	2378
mluis	0:91d1a7783bb9	2379	// Get the maximum payload length
mluis	0:91d1a7783bb9	2380	if( RepeaterSupport == true )
mluis	0:91d1a7783bb9	2381	{
mluis	0:91d1a7783bb9	2382	maxN = MaxPayloadOfDatarateRepeater[datarate];
mluis	0:91d1a7783bb9	2383	}
mluis	0:91d1a7783bb9	2384	else
mluis	0:91d1a7783bb9	2385	{
mluis	0:91d1a7783bb9	2386	maxN = MaxPayloadOfDatarate[datarate];
mluis	0:91d1a7783bb9	2387	}
mluis	0:91d1a7783bb9	2388
mluis	0:91d1a7783bb9	2389	// Validation of the application payload size
mluis	0:91d1a7783bb9	2390	if( lenN <= maxN )
mluis	0:91d1a7783bb9	2391	{
mluis	0:91d1a7783bb9	2392	payloadSizeOk = true;
mluis	0:91d1a7783bb9	2393	}
mluis	0:91d1a7783bb9	2394
mluis	0:91d1a7783bb9	2395	return payloadSizeOk;
mluis	0:91d1a7783bb9	2396	}
mluis	0:91d1a7783bb9	2397
mluis	0:91d1a7783bb9	2398	#if defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	2399	static uint8_t CountNbEnabled125kHzChannels( uint16_t *channelsMask )
mluis	0:91d1a7783bb9	2400	{
mluis	0:91d1a7783bb9	2401	uint8_t nb125kHzChannels = 0;
mluis	0:91d1a7783bb9	2402
mluis	0:91d1a7783bb9	2403	for( uint8_t i = 0, k = 0; i < LORA_MAX_NB_CHANNELS - 8; i += 16, k++ )
mluis	0:91d1a7783bb9	2404	{
mluis	0:91d1a7783bb9	2405	for( uint8_t j = 0; j < 16; j++ )
mluis	0:91d1a7783bb9	2406	{// Verify if the channel is active
mluis	0:91d1a7783bb9	2407	if( ( channelsMask[k] & ( 1 << j ) ) == ( 1 << j ) )
mluis	0:91d1a7783bb9	2408	{
mluis	0:91d1a7783bb9	2409	nb125kHzChannels++;
mluis	0:91d1a7783bb9	2410	}
mluis	0:91d1a7783bb9	2411	}
mluis	0:91d1a7783bb9	2412	}
mluis	0:91d1a7783bb9	2413
mluis	0:91d1a7783bb9	2414	return nb125kHzChannels;
mluis	0:91d1a7783bb9	2415	}
mluis	0:91d1a7783bb9	2416	#endif
mluis	0:91d1a7783bb9	2417
mluis	0:91d1a7783bb9	2418	static int8_t LimitTxPower( int8_t txPower )
mluis	0:91d1a7783bb9	2419	{
mluis	0:91d1a7783bb9	2420	int8_t resultTxPower = txPower;
mluis	0:91d1a7783bb9	2421	#if defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	2422	if( ( ChannelsDatarate == DR_4 ) \|\|
mluis	0:91d1a7783bb9	2423	( ( ChannelsDatarate >= DR_8 ) && ( ChannelsDatarate <= DR_13 ) ) )
mluis	0:91d1a7783bb9	2424	{// Limit tx power to max 26dBm
mluis	0:91d1a7783bb9	2425	resultTxPower = MAX( txPower, TX_POWER_26_DBM );
mluis	0:91d1a7783bb9	2426	}
mluis	0:91d1a7783bb9	2427	else
mluis	0:91d1a7783bb9	2428	{
mluis	0:91d1a7783bb9	2429	if( CountNbEnabled125kHzChannels( ChannelsMask ) < 50 )
mluis	0:91d1a7783bb9	2430	{// Limit tx power to max 21dBm
mluis	0:91d1a7783bb9	2431	resultTxPower = MAX( txPower, TX_POWER_20_DBM );
mluis	0:91d1a7783bb9	2432	}
mluis	0:91d1a7783bb9	2433	}
mluis	0:91d1a7783bb9	2434	#endif
mluis	0:91d1a7783bb9	2435	return resultTxPower;
mluis	0:91d1a7783bb9	2436	}
mluis	0:91d1a7783bb9	2437
mluis	0:91d1a7783bb9	2438	void LoRaMacChannelRemove( uint8_t id )
mluis	0:91d1a7783bb9	2439	{
mluis	0:91d1a7783bb9	2440	if( ( LoRaMacState & MAC_TX_RUNNING ) == MAC_TX_RUNNING )
mluis	0:91d1a7783bb9	2441	{
mluis	0:91d1a7783bb9	2442	return;
mluis	0:91d1a7783bb9	2443	}
mluis	0:91d1a7783bb9	2444	#if ( defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID ) )
mluis	0:91d1a7783bb9	2445	if( id < 64 )
mluis	0:91d1a7783bb9	2446	{
mluis	0:91d1a7783bb9	2447	if( CountNbEnabled125kHzChannels( ChannelsMask ) <= 6 )
mluis	0:91d1a7783bb9	2448	{
mluis	0:91d1a7783bb9	2449	return;
mluis	0:91d1a7783bb9	2450	}
mluis	0:91d1a7783bb9	2451	}
mluis	0:91d1a7783bb9	2452	#else
mluis	0:91d1a7783bb9	2453	if( id < 3 )
mluis	0:91d1a7783bb9	2454	{
mluis	0:91d1a7783bb9	2455	return;
mluis	0:91d1a7783bb9	2456	}
mluis	0:91d1a7783bb9	2457	#endif
mluis	0:91d1a7783bb9	2458
mluis	0:91d1a7783bb9	2459	uint8_t index = 0;
mluis	0:91d1a7783bb9	2460	index = id / 16;
mluis	0:91d1a7783bb9	2461
mluis	0:91d1a7783bb9	2462	if( ( index > 4 ) \|\| ( id >= LORA_MAX_NB_CHANNELS ) )
mluis	0:91d1a7783bb9	2463	{
mluis	0:91d1a7783bb9	2464	return;
mluis	0:91d1a7783bb9	2465	}
mluis	0:91d1a7783bb9	2466
mluis	0:91d1a7783bb9	2467	// Deactivate channel
mluis	0:91d1a7783bb9	2468	ChannelsMask[index] &= ~( 1 << ( id % 16 ) );
mluis	0:91d1a7783bb9	2469
mluis	0:91d1a7783bb9	2470	return;
mluis	0:91d1a7783bb9	2471	}
mluis	0:91d1a7783bb9	2472
mluis	0:91d1a7783bb9	2473	/*!
mluis	0:91d1a7783bb9	2474	* ============================================================================
mluis	0:91d1a7783bb9	2475	* = LoRaMac setup functions =
mluis	0:91d1a7783bb9	2476	* ============================================================================
mluis	0:91d1a7783bb9	2477	*/
mluis	0:91d1a7783bb9	2478	void LoRaMacSetDeviceClass( DeviceClass_t deviceClass )
mluis	0:91d1a7783bb9	2479	{
mluis	0:91d1a7783bb9	2480	LoRaMacDeviceClass = deviceClass;
mluis	0:91d1a7783bb9	2481	}
mluis	0:91d1a7783bb9	2482
mluis	0:91d1a7783bb9	2483	void LoRaMacSetPublicNetwork( bool enable )
mluis	0:91d1a7783bb9	2484	{
mluis	0:91d1a7783bb9	2485	PublicNetwork = enable;
mluis	0:91d1a7783bb9	2486	Radio.SetModem( MODEM_LORA );
mluis	0:91d1a7783bb9	2487	if( PublicNetwork == true )
mluis	0:91d1a7783bb9	2488	{
mluis	0:91d1a7783bb9	2489	// Change LoRa modem SyncWord
mluis	0:91d1a7783bb9	2490	Radio.Write( REG_LR_SYNCWORD, LORA_MAC_PUBLIC_SYNCWORD );
mluis	0:91d1a7783bb9	2491	}
mluis	0:91d1a7783bb9	2492	else
mluis	0:91d1a7783bb9	2493	{
mluis	0:91d1a7783bb9	2494	// Change LoRa modem SyncWord
mluis	0:91d1a7783bb9	2495	Radio.Write( REG_LR_SYNCWORD, LORA_MAC_PRIVATE_SYNCWORD );
mluis	0:91d1a7783bb9	2496	}
mluis	0:91d1a7783bb9	2497	}
mluis	0:91d1a7783bb9	2498
mluis	0:91d1a7783bb9	2499	void LoRaMacSetChannel( uint8_t id, ChannelParams_t params )
mluis	0:91d1a7783bb9	2500	{
mluis	0:91d1a7783bb9	2501	params.Band = 0;
mluis	0:91d1a7783bb9	2502	Channels[id] = params;
mluis	0:91d1a7783bb9	2503	// Activate the newly created channel
mluis	0:91d1a7783bb9	2504	if( id < 16 )
mluis	0:91d1a7783bb9	2505	{
mluis	0:91d1a7783bb9	2506	ChannelsMask[0] \|= 1 << id;
mluis	0:91d1a7783bb9	2507	}
mluis	0:91d1a7783bb9	2508	else if( id < 32 )
mluis	0:91d1a7783bb9	2509	{
mluis	0:91d1a7783bb9	2510	ChannelsMask[1] \|= 1 << ( id - 16 );
mluis	0:91d1a7783bb9	2511	}
mluis	0:91d1a7783bb9	2512	else if( id < 48 )
mluis	0:91d1a7783bb9	2513	{
mluis	0:91d1a7783bb9	2514	ChannelsMask[2] \|= 1 << ( id - 32 );
mluis	0:91d1a7783bb9	2515	}
mluis	0:91d1a7783bb9	2516	else if( id < 64 )
mluis	0:91d1a7783bb9	2517	{
mluis	0:91d1a7783bb9	2518	ChannelsMask[3] \|= 1 << ( id - 48 );
mluis	0:91d1a7783bb9	2519	}
mluis	0:91d1a7783bb9	2520	else if( id < 72 )
mluis	0:91d1a7783bb9	2521	{
mluis	0:91d1a7783bb9	2522	ChannelsMask[4] \|= 1 << ( id - 64 );
mluis	0:91d1a7783bb9	2523	}
mluis	0:91d1a7783bb9	2524	else
mluis	0:91d1a7783bb9	2525	{
mluis	0:91d1a7783bb9	2526	// Don't activate the channel
mluis	0:91d1a7783bb9	2527	}
mluis	0:91d1a7783bb9	2528	#if defined( USE_BAND_433 ) \|\| defined( USE_BAND_780 )
mluis	0:91d1a7783bb9	2529	Channels[id].Band = 0; // 1% duty cycle on EU433 and CN780 bands
mluis	0:91d1a7783bb9	2530	#elif defined( USE_BAND_868 )
mluis	0:91d1a7783bb9	2531	if( ( Channels[id].Frequency >= 865000000 ) && ( Channels[id].Frequency <= 868000000 ) )
mluis	0:91d1a7783bb9	2532	{
mluis	0:91d1a7783bb9	2533	if( Channels[id].Band != BAND_G1_0 )
mluis	0:91d1a7783bb9	2534	{
mluis	0:91d1a7783bb9	2535	Channels[id].Band = BAND_G1_0;
mluis	0:91d1a7783bb9	2536	}
mluis	0:91d1a7783bb9	2537	}
mluis	0:91d1a7783bb9	2538	else if( ( Channels[id].Frequency > 868000000 ) && ( Channels[id].Frequency <= 868600000 ) )
mluis	0:91d1a7783bb9	2539	{
mluis	0:91d1a7783bb9	2540	if( Channels[id].Band != BAND_G1_1 )
mluis	0:91d1a7783bb9	2541	{
mluis	0:91d1a7783bb9	2542	Channels[id].Band = BAND_G1_1;
mluis	0:91d1a7783bb9	2543	}
mluis	0:91d1a7783bb9	2544	}
mluis	0:91d1a7783bb9	2545	else if( ( Channels[id].Frequency >= 868700000 ) && ( Channels[id].Frequency <= 869200000 ) )
mluis	0:91d1a7783bb9	2546	{
mluis	0:91d1a7783bb9	2547	if( Channels[id].Band != BAND_G1_2 )
mluis	0:91d1a7783bb9	2548	{
mluis	0:91d1a7783bb9	2549	Channels[id].Band = BAND_G1_2;
mluis	0:91d1a7783bb9	2550	}
mluis	0:91d1a7783bb9	2551	}
mluis	0:91d1a7783bb9	2552	else if( ( Channels[id].Frequency >= 869400000 ) && ( Channels[id].Frequency <= 869650000 ) )
mluis	0:91d1a7783bb9	2553	{
mluis	0:91d1a7783bb9	2554	if( Channels[id].Band != BAND_G1_3 )
mluis	0:91d1a7783bb9	2555	{
mluis	0:91d1a7783bb9	2556	Channels[id].Band = BAND_G1_3;
mluis	0:91d1a7783bb9	2557	}
mluis	0:91d1a7783bb9	2558	}
mluis	0:91d1a7783bb9	2559	else if( ( Channels[id].Frequency >= 869700000 ) && ( Channels[id].Frequency <= 870000000 ) )
mluis	0:91d1a7783bb9	2560	{
mluis	0:91d1a7783bb9	2561	if( Channels[id].Band != BAND_G1_4 )
mluis	0:91d1a7783bb9	2562	{
mluis	0:91d1a7783bb9	2563	Channels[id].Band = BAND_G1_4;
mluis	0:91d1a7783bb9	2564	}
mluis	0:91d1a7783bb9	2565	}
mluis	0:91d1a7783bb9	2566	else
mluis	0:91d1a7783bb9	2567	{
mluis	0:91d1a7783bb9	2568	Channels[id].Frequency = 0;
mluis	0:91d1a7783bb9	2569	Channels[id].DrRange.Value = 0;
mluis	0:91d1a7783bb9	2570	}
mluis	0:91d1a7783bb9	2571	#elif ( defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID ) )
mluis	0:91d1a7783bb9	2572	Channels[id].Band = 0; // No duty cycle on US915 band
mluis	0:91d1a7783bb9	2573	#else
mluis	0:91d1a7783bb9	2574	#error "Please define a frequency band in the compiler options."
mluis	0:91d1a7783bb9	2575	#endif
mluis	0:91d1a7783bb9	2576	// Check if it is a valid channel
mluis	0:91d1a7783bb9	2577	if( Channels[id].Frequency == 0 )
mluis	0:91d1a7783bb9	2578	{
mluis	0:91d1a7783bb9	2579	LoRaMacChannelRemove( id );
mluis	0:91d1a7783bb9	2580	}
mluis	0:91d1a7783bb9	2581	}
mluis	0:91d1a7783bb9	2582
mluis	0:91d1a7783bb9	2583	void LoRaMacSetRx2Channel( Rx2ChannelParams_t param )
mluis	0:91d1a7783bb9	2584	{
mluis	0:91d1a7783bb9	2585	Rx2Channel = param;
mluis	0:91d1a7783bb9	2586	}
mluis	0:91d1a7783bb9	2587
mluis	0:91d1a7783bb9	2588	void LoRaMacSetChannelsTxPower( int8_t txPower )
mluis	0:91d1a7783bb9	2589	{
mluis	0:91d1a7783bb9	2590	if( ( txPower >= LORAMAC_MAX_TX_POWER ) &&
mluis	0:91d1a7783bb9	2591	( txPower <= LORAMAC_MIN_TX_POWER ) )
mluis	0:91d1a7783bb9	2592	{
mluis	0:91d1a7783bb9	2593	#if defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	2594	int8_t txPwr = LimitTxPower( txPower );
mluis	0:91d1a7783bb9	2595	if( txPwr == txPower )
mluis	0:91d1a7783bb9	2596	{
mluis	0:91d1a7783bb9	2597	ChannelsTxPower = txPower;
mluis	0:91d1a7783bb9	2598	}
mluis	0:91d1a7783bb9	2599	#else
mluis	0:91d1a7783bb9	2600	ChannelsTxPower = txPower;
mluis	0:91d1a7783bb9	2601	#endif
mluis	0:91d1a7783bb9	2602	}
mluis	0:91d1a7783bb9	2603	}
mluis	0:91d1a7783bb9	2604
mluis	0:91d1a7783bb9	2605	void LoRaMacSetChannelsDatarate( int8_t datarate )
mluis	0:91d1a7783bb9	2606	{
mluis	0:91d1a7783bb9	2607	ChannelsDefaultDatarate = ChannelsDatarate = datarate;
mluis	0:91d1a7783bb9	2608	}
mluis	0:91d1a7783bb9	2609
mluis	0:91d1a7783bb9	2610	void LoRaMacSetChannelsMask( uint16_t *mask )
mluis	0:91d1a7783bb9	2611	{
mluis	0:91d1a7783bb9	2612	#if defined( USE_BAND_915 ) \|\| defined( USE_BAND_915_HYBRID )
mluis	0:91d1a7783bb9	2613	if( ( CountNbEnabled125kHzChannels( mask ) < 6 ) &&
mluis	0:91d1a7783bb9	2614	( CountNbEnabled125kHzChannels( mask ) > 0 ) )
mluis	0:91d1a7783bb9	2615	{
mluis	0:91d1a7783bb9	2616
mluis	0:91d1a7783bb9	2617	}
mluis	0:91d1a7783bb9	2618	else
mluis	0:91d1a7783bb9	2619	{
mluis	0:91d1a7783bb9	2620	LoRaMacMemCpy( (uint8_t* ) mask,
mluis	0:91d1a7783bb9	2621	( uint8_t* ) ChannelsMask, 10 );
mluis	0:91d1a7783bb9	2622	}
mluis	0:91d1a7783bb9	2623	#else
mluis	0:91d1a7783bb9	2624	if( ( mask[0] & 0x0007 ) != 0x0007 )
mluis	0:91d1a7783bb9	2625	{
mluis	0:91d1a7783bb9	2626	}
mluis	0:91d1a7783bb9	2627	else
mluis	0:91d1a7783bb9	2628	{
mluis	0:91d1a7783bb9	2629	LoRaMacMemCpy( ( uint8_t* ) mask,
mluis	0:91d1a7783bb9	2630	( uint8_t* ) ChannelsMask, 2 );
mluis	0:91d1a7783bb9	2631	}
mluis	0:91d1a7783bb9	2632	#endif
mluis	0:91d1a7783bb9	2633	}
mluis	0:91d1a7783bb9	2634
mluis	0:91d1a7783bb9	2635	void LoRaMacSetChannelsNbRep( uint8_t nbRep )
mluis	0:91d1a7783bb9	2636	{
mluis	0:91d1a7783bb9	2637	if( nbRep < 1 )
mluis	0:91d1a7783bb9	2638	{
mluis	0:91d1a7783bb9	2639	nbRep = 1;
mluis	0:91d1a7783bb9	2640	}
mluis	0:91d1a7783bb9	2641	if( nbRep > 15 )
mluis	0:91d1a7783bb9	2642	{
mluis	0:91d1a7783bb9	2643	nbRep = 15;
mluis	0:91d1a7783bb9	2644	}
mluis	0:91d1a7783bb9	2645	ChannelsNbRep = nbRep;
mluis	0:91d1a7783bb9	2646	}
mluis	0:91d1a7783bb9	2647
mluis	0:91d1a7783bb9	2648	void LoRaMacSetMaxRxWindow( uint32_t delay )
mluis	0:91d1a7783bb9	2649	{
mluis	0:91d1a7783bb9	2650	MaxRxWindow = delay;
mluis	0:91d1a7783bb9	2651	}
mluis	0:91d1a7783bb9	2652
mluis	0:91d1a7783bb9	2653	void LoRaMacSetReceiveDelay1( uint32_t delay )
mluis	0:91d1a7783bb9	2654	{
mluis	0:91d1a7783bb9	2655	ReceiveDelay1 = delay;
mluis	0:91d1a7783bb9	2656	}
mluis	0:91d1a7783bb9	2657
mluis	0:91d1a7783bb9	2658	void LoRaMacSetReceiveDelay2( uint32_t delay )
mluis	0:91d1a7783bb9	2659	{
mluis	0:91d1a7783bb9	2660	ReceiveDelay2 = delay;
mluis	0:91d1a7783bb9	2661	}
mluis	0:91d1a7783bb9	2662
mluis	0:91d1a7783bb9	2663	void LoRaMacSetJoinAcceptDelay1( uint32_t delay )
mluis	0:91d1a7783bb9	2664	{
mluis	0:91d1a7783bb9	2665	JoinAcceptDelay1 = delay;
mluis	0:91d1a7783bb9	2666	}
mluis	0:91d1a7783bb9	2667
mluis	0:91d1a7783bb9	2668	void LoRaMacSetJoinAcceptDelay2( uint32_t delay )
mluis	0:91d1a7783bb9	2669	{
mluis	0:91d1a7783bb9	2670	JoinAcceptDelay2 = delay;
mluis	0:91d1a7783bb9	2671	}
mluis	0:91d1a7783bb9	2672
mluis	0:91d1a7783bb9	2673	uint32_t LoRaMacGetUpLinkCounter( void )
mluis	0:91d1a7783bb9	2674	{
mluis	0:91d1a7783bb9	2675	return UpLinkCounter;
mluis	0:91d1a7783bb9	2676	}
mluis	0:91d1a7783bb9	2677
mluis	0:91d1a7783bb9	2678	uint32_t LoRaMacGetDownLinkCounter( void )
mluis	0:91d1a7783bb9	2679	{
mluis	0:91d1a7783bb9	2680	return DownLinkCounter;
mluis	0:91d1a7783bb9	2681	}
mluis	0:91d1a7783bb9	2682
mluis	0:91d1a7783bb9	2683	/*!
mluis	0:91d1a7783bb9	2684	* ============================================================================
mluis	0:91d1a7783bb9	2685	* = LoRaMac test functions =
mluis	0:91d1a7783bb9	2686	* ============================================================================
mluis	0:91d1a7783bb9	2687	*/
mluis	0:91d1a7783bb9	2688	void LoRaMacTestSetDutyCycleOn( bool enable )
mluis	0:91d1a7783bb9	2689	{
mluis	0:91d1a7783bb9	2690	DutyCycleOn = enable;
mluis	0:91d1a7783bb9	2691	}
mluis	0:91d1a7783bb9	2692
mluis	0:91d1a7783bb9	2693	void LoRaMacTestRxWindowsOn( bool enable )
mluis	0:91d1a7783bb9	2694	{
mluis	0:91d1a7783bb9	2695	IsRxWindowsEnabled = enable;
mluis	0:91d1a7783bb9	2696	}
mluis	0:91d1a7783bb9	2697
mluis	0:91d1a7783bb9	2698	void LoRaMacTestSetMic( uint16_t upLinkCounter )
mluis	0:91d1a7783bb9	2699	{
mluis	0:91d1a7783bb9	2700	UpLinkCounter = upLinkCounter;
mluis	0:91d1a7783bb9	2701	IsUpLinkCounterFixed = true;
mluis	0:91d1a7783bb9	2702	}

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Type:	Library
Created:	29 Aug 2016
Imports:	25
Forks:	0
Commits:	50
Dependents:	0
Dependencies:	0
Followers:	7
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Uttam Bhat

LoRaMac.cpp@0:91d1a7783bb9, 2015-10-20 (annotated)

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