LoRaWAN_singlechannel_endnode

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wayne roberts / Mbed OS LoRaWAN_singlechannel_endnode

Dependencies: SX127x sx12xx_hal TSL2561

mac/LoRaMac.cpp@14:7ac0add1123e, 2017-07-10 (annotated)

Committer:: dudmuck
Date:: Mon Jul 10 21:54:08 2017 +0000
Revision:: 14:7ac0add1123e
Parent:: 13:18de9ee3a461
Child:: 15:9023bf4cf168

application layer: for sensors use uplink_length

Who changed what in which revision?

User	Revision	Line number	New contents of line
dudmuck	0:8f0d0ae0a077	1	/*
dudmuck	0:8f0d0ae0a077	2	/ _____) _ \| \|
dudmuck	0:8f0d0ae0a077	3	( (____ _____ ____ _\| \|_ _____ ____\| \|__
dudmuck	0:8f0d0ae0a077	4	\____ \\| ___ \| (_ _) ___ \|/ ___) _ \
dudmuck	0:8f0d0ae0a077	5	_____) ) ____\| \| \| \|\| \|_\| ____( (___\| \| \| \|
dudmuck	0:8f0d0ae0a077	6	(______/\|_____)_\|_\|_\| \__)_____)\____)_\| \|_\|
dudmuck	0:8f0d0ae0a077	7	(C)2013 Semtech
dudmuck	0:8f0d0ae0a077	8	___ _____ _ ___ _ _____ ___ ___ ___ ___
dudmuck	0:8f0d0ae0a077	9	/ __\|_ _/_\ / __\| \|/ / __/ _ \\| _ \/ __\| __\|
dudmuck	0:8f0d0ae0a077	10	\__ \ \| \|/ _ \ (__\| ' <\| _\| (_) \| / (__\| _\|
dudmuck	0:8f0d0ae0a077	11	\|___/ \|_/_/ \_\___\|_\|\_\_\| \___/\|_\|_\\___\|___\|
dudmuck	0:8f0d0ae0a077	12	embedded.connectivity.solutions===============
dudmuck	0:8f0d0ae0a077	13
dudmuck	0:8f0d0ae0a077	14	Description: LoRa MAC layer implementation
dudmuck	0:8f0d0ae0a077	15
dudmuck	0:8f0d0ae0a077	16	License: Revised BSD License, see LICENSE.TXT file include in the project
dudmuck	0:8f0d0ae0a077	17
dudmuck	0:8f0d0ae0a077	18	Maintainer: Miguel Luis ( Semtech ), Gregory Cristian ( Semtech ) and Daniel Jäckle ( STACKFORCE )
dudmuck	0:8f0d0ae0a077	19	*/
dudmuck	0:8f0d0ae0a077	20	#include <math.h>
dudmuck	0:8f0d0ae0a077	21	#include "board.h"
dudmuck	0:8f0d0ae0a077	22
dudmuck	0:8f0d0ae0a077	23	#include "LoRaMacCrypto.h"
dudmuck	0:8f0d0ae0a077	24	#include "LoRaMac.h"
dudmuck	0:8f0d0ae0a077	25	#include "LoRaMacTest.h"
dudmuck	0:8f0d0ae0a077	26
dudmuck	0:8f0d0ae0a077	27	#define PING_SLOT_RESOLUTION_us 30000
dudmuck	0:8f0d0ae0a077	28
dudmuck	0:8f0d0ae0a077	29	/*!
dudmuck	0:8f0d0ae0a077	30	* Maximum PHY layer payload size
dudmuck	0:8f0d0ae0a077	31	*/
dudmuck	0:8f0d0ae0a077	32	#define LORAMAC_PHY_MAXPAYLOAD 255
dudmuck	0:8f0d0ae0a077	33
dudmuck	0:8f0d0ae0a077	34	/*!
dudmuck	0:8f0d0ae0a077	35	* Maximum MAC commands buffer size
dudmuck	0:8f0d0ae0a077	36	*/
dudmuck	0:8f0d0ae0a077	37	#define LORA_MAC_COMMAND_MAX_LENGTH 15
dudmuck	0:8f0d0ae0a077	38
dudmuck	0:8f0d0ae0a077	39	/*!
dudmuck	0:8f0d0ae0a077	40	* FRMPayload overhead to be used when setting the Radio.SetMaxPayloadLength
dudmuck	0:8f0d0ae0a077	41	* in RxWindowSetup function.
dudmuck	0:8f0d0ae0a077	42	* Maximum PHYPayload = MaxPayloadOfDatarate/MaxPayloadOfDatarateRepeater + LORA_MAC_FRMPAYLOAD_OVERHEAD
dudmuck	0:8f0d0ae0a077	43	*/
dudmuck	0:8f0d0ae0a077	44	#define LORA_MAC_FRMPAYLOAD_OVERHEAD 13 // MHDR(1) + FHDR(7) + Port(1) + MIC(4)
dudmuck	0:8f0d0ae0a077	45
dudmuck	0:8f0d0ae0a077	46	/*!
dudmuck	0:8f0d0ae0a077	47	* LoRaMac duty cycle for the back-off procedure during the first hour.
dudmuck	0:8f0d0ae0a077	48	*/
dudmuck	0:8f0d0ae0a077	49	#define BACKOFF_DC_1_HOUR 100
dudmuck	0:8f0d0ae0a077	50
dudmuck	0:8f0d0ae0a077	51	/*!
dudmuck	0:8f0d0ae0a077	52	* LoRaMac duty cycle for the back-off procedure during the next 10 hours.
dudmuck	0:8f0d0ae0a077	53	*/
dudmuck	0:8f0d0ae0a077	54	#define BACKOFF_DC_10_HOURS 1000
dudmuck	0:8f0d0ae0a077	55
dudmuck	0:8f0d0ae0a077	56	/*!
dudmuck	0:8f0d0ae0a077	57	* LoRaMac duty cycle for the back-off procedure during the next 24 hours.
dudmuck	0:8f0d0ae0a077	58	*/
dudmuck	0:8f0d0ae0a077	59	#define BACKOFF_DC_24_HOURS 10000
dudmuck	0:8f0d0ae0a077	60
dudmuck	0:8f0d0ae0a077	61	/*!
dudmuck	0:8f0d0ae0a077	62	* Device IEEE EUI
dudmuck	0:8f0d0ae0a077	63	*/
dudmuck	0:8f0d0ae0a077	64	static uint8_t *LoRaMacDevEui;
dudmuck	0:8f0d0ae0a077	65
dudmuck	0:8f0d0ae0a077	66	/*!
dudmuck	0:8f0d0ae0a077	67	* Application IEEE EUI
dudmuck	0:8f0d0ae0a077	68	*/
dudmuck	0:8f0d0ae0a077	69	static uint8_t *LoRaMacAppEui;
dudmuck	0:8f0d0ae0a077	70
dudmuck	0:8f0d0ae0a077	71	/*!
dudmuck	0:8f0d0ae0a077	72	* AES encryption/decryption cipher application key
dudmuck	0:8f0d0ae0a077	73	*/
dudmuck	0:8f0d0ae0a077	74	static uint8_t *LoRaMacAppKey;
dudmuck	0:8f0d0ae0a077	75
dudmuck	0:8f0d0ae0a077	76	/*!
dudmuck	0:8f0d0ae0a077	77	* AES encryption/decryption cipher network session key
dudmuck	0:8f0d0ae0a077	78	*/
dudmuck	0:8f0d0ae0a077	79	static uint8_t LoRaMacNwkSKey[] =
dudmuck	0:8f0d0ae0a077	80	{
dudmuck	0:8f0d0ae0a077	81	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dudmuck	0:8f0d0ae0a077	82	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
dudmuck	0:8f0d0ae0a077	83	};
dudmuck	0:8f0d0ae0a077	84
dudmuck	0:8f0d0ae0a077	85	/*!
dudmuck	0:8f0d0ae0a077	86	* AES encryption/decryption cipher application session key
dudmuck	0:8f0d0ae0a077	87	*/
dudmuck	0:8f0d0ae0a077	88	static uint8_t LoRaMacAppSKey[] =
dudmuck	0:8f0d0ae0a077	89	{
dudmuck	0:8f0d0ae0a077	90	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dudmuck	0:8f0d0ae0a077	91	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
dudmuck	0:8f0d0ae0a077	92	};
dudmuck	0:8f0d0ae0a077	93
dudmuck	0:8f0d0ae0a077	94	/*!
dudmuck	0:8f0d0ae0a077	95	* Device nonce is a random value extracted by issuing a sequence of RSSI
dudmuck	0:8f0d0ae0a077	96	* measurements
dudmuck	0:8f0d0ae0a077	97	*/
dudmuck	0:8f0d0ae0a077	98	static uint16_t LoRaMacDevNonce;
dudmuck	0:8f0d0ae0a077	99
dudmuck	0:8f0d0ae0a077	100	/*!
dudmuck	0:8f0d0ae0a077	101	* Network ID ( 3 bytes )
dudmuck	0:8f0d0ae0a077	102	*/
dudmuck	0:8f0d0ae0a077	103	static uint32_t LoRaMacNetID;
dudmuck	0:8f0d0ae0a077	104
dudmuck	0:8f0d0ae0a077	105	/*!
dudmuck	0:8f0d0ae0a077	106	* Mote Address
dudmuck	0:8f0d0ae0a077	107	*/
dudmuck	0:8f0d0ae0a077	108	static uint32_t LoRaMacDevAddr;
dudmuck	0:8f0d0ae0a077	109
dudmuck	0:8f0d0ae0a077	110	/*!
dudmuck	0:8f0d0ae0a077	111	* Multicast channels linked list
dudmuck	0:8f0d0ae0a077	112	*/
dudmuck	0:8f0d0ae0a077	113	static MulticastParams_t *MulticastChannels = NULL;
dudmuck	0:8f0d0ae0a077	114
dudmuck	0:8f0d0ae0a077	115	/*!
dudmuck	0:8f0d0ae0a077	116	* Actual device class
dudmuck	0:8f0d0ae0a077	117	*/
dudmuck	0:8f0d0ae0a077	118	static DeviceClass_t LoRaMacDeviceClass;
dudmuck	0:8f0d0ae0a077	119
dudmuck	0:8f0d0ae0a077	120	/*!
dudmuck	0:8f0d0ae0a077	121	* Indicates if the node is connected to a private or public network
dudmuck	0:8f0d0ae0a077	122	*/
dudmuck	0:8f0d0ae0a077	123	static bool PublicNetwork;
dudmuck	0:8f0d0ae0a077	124
dudmuck	0:8f0d0ae0a077	125
dudmuck	0:8f0d0ae0a077	126	/*!
dudmuck	0:8f0d0ae0a077	127	* Buffer containing the data to be sent or received.
dudmuck	0:8f0d0ae0a077	128	*/
dudmuck	0:8f0d0ae0a077	129	static uint8_t LoRaMacBuffer[LORAMAC_PHY_MAXPAYLOAD];
dudmuck	0:8f0d0ae0a077	130
dudmuck	0:8f0d0ae0a077	131	/*!
dudmuck	0:8f0d0ae0a077	132	* Length of packet in LoRaMacBuffer
dudmuck	0:8f0d0ae0a077	133	*/
dudmuck	0:8f0d0ae0a077	134	static uint16_t LoRaMacBufferPktLen = 0;
dudmuck	0:8f0d0ae0a077	135
dudmuck	0:8f0d0ae0a077	136	/*!
dudmuck	0:8f0d0ae0a077	137	* Length of the payload in LoRaMacBuffer
dudmuck	0:8f0d0ae0a077	138	*/
dudmuck	0:8f0d0ae0a077	139	static uint8_t LoRaMacTxPayloadLen = 0;
dudmuck	0:8f0d0ae0a077	140
dudmuck	0:8f0d0ae0a077	141	/*!
dudmuck	0:8f0d0ae0a077	142	* Buffer containing the upper layer data.
dudmuck	0:8f0d0ae0a077	143	*/
dudmuck	0:8f0d0ae0a077	144	static uint8_t LoRaMacRxPayload[LORAMAC_PHY_MAXPAYLOAD];
dudmuck	0:8f0d0ae0a077	145
dudmuck	0:8f0d0ae0a077	146	/*!
dudmuck	0:8f0d0ae0a077	147	* LoRaMAC frame counter. Each time a packet is sent the counter is incremented.
dudmuck	0:8f0d0ae0a077	148	* Only the 16 LSB bits are sent
dudmuck	0:8f0d0ae0a077	149	*/
dudmuck	0:8f0d0ae0a077	150	static uint32_t UpLinkCounter = 0;
dudmuck	0:8f0d0ae0a077	151
dudmuck	0:8f0d0ae0a077	152	/*!
dudmuck	0:8f0d0ae0a077	153	* LoRaMAC frame counter. Each time a packet is received the counter is incremented.
dudmuck	0:8f0d0ae0a077	154	* Only the 16 LSB bits are received
dudmuck	0:8f0d0ae0a077	155	*/
dudmuck	0:8f0d0ae0a077	156	static uint32_t DownLinkCounter = 0;
dudmuck	0:8f0d0ae0a077	157
dudmuck	0:8f0d0ae0a077	158	/*!
dudmuck	0:8f0d0ae0a077	159	* IsPacketCounterFixed enables the MIC field tests by fixing the
dudmuck	0:8f0d0ae0a077	160	* UpLinkCounter value
dudmuck	0:8f0d0ae0a077	161	*/
dudmuck	0:8f0d0ae0a077	162	static bool IsUpLinkCounterFixed = false;
dudmuck	0:8f0d0ae0a077	163
dudmuck	0:8f0d0ae0a077	164	/*!
dudmuck	0:8f0d0ae0a077	165	* Used for test purposes. Disables the opening of the reception windows.
dudmuck	0:8f0d0ae0a077	166	*/
dudmuck	0:8f0d0ae0a077	167	static bool IsRxWindowsEnabled = true;
dudmuck	0:8f0d0ae0a077	168	LowPowerTimeout rx_timeout;
dudmuck	0:8f0d0ae0a077	169
dudmuck	0:8f0d0ae0a077	170	/*!
dudmuck	0:8f0d0ae0a077	171	* Indicates if the MAC layer has already joined a network.
dudmuck	0:8f0d0ae0a077	172	*/
dudmuck	0:8f0d0ae0a077	173	static bool IsLoRaMacNetworkJoined = false;
dudmuck	0:8f0d0ae0a077	174
dudmuck	0:8f0d0ae0a077	175	/*!
dudmuck	0:8f0d0ae0a077	176	* If the node has sent a FRAME_TYPE_DATA_CONFIRMED_UP this variable indicates
dudmuck	0:8f0d0ae0a077	177	* if the nodes needs to manage the server acknowledgement.
dudmuck	0:8f0d0ae0a077	178	*/
dudmuck	0:8f0d0ae0a077	179	static bool NodeAckRequested = false;
dudmuck	0:8f0d0ae0a077	180
dudmuck	0:8f0d0ae0a077	181	/*!
dudmuck	0:8f0d0ae0a077	182	* If the server has sent a FRAME_TYPE_DATA_CONFIRMED_DOWN this variable indicates
dudmuck	0:8f0d0ae0a077	183	* if the ACK bit must be set for the next transmission
dudmuck	0:8f0d0ae0a077	184	*/
dudmuck	0:8f0d0ae0a077	185	static bool SrvAckRequested = false;
dudmuck	0:8f0d0ae0a077	186
dudmuck	0:8f0d0ae0a077	187	/*!
dudmuck	0:8f0d0ae0a077	188	* Indicates if the MAC layer wants to send MAC commands
dudmuck	0:8f0d0ae0a077	189	*/
dudmuck	0:8f0d0ae0a077	190	static bool MacCommandsInNextTx = false;
dudmuck	0:8f0d0ae0a077	191
dudmuck	0:8f0d0ae0a077	192	/*!
dudmuck	0:8f0d0ae0a077	193	* Contains the current MacCommandsBuffer index
dudmuck	0:8f0d0ae0a077	194	*/
dudmuck	0:8f0d0ae0a077	195	static uint8_t MacCommandsBufferIndex = 0;
dudmuck	0:8f0d0ae0a077	196
dudmuck	0:8f0d0ae0a077	197	/*!
dudmuck	0:8f0d0ae0a077	198	* Contains the current MacCommandsBuffer index for MAC commands to repeat
dudmuck	0:8f0d0ae0a077	199	*/
dudmuck	0:8f0d0ae0a077	200	static uint8_t MacCommandsBufferToRepeatIndex = 0;
dudmuck	0:8f0d0ae0a077	201
dudmuck	0:8f0d0ae0a077	202	/*!
dudmuck	0:8f0d0ae0a077	203	* Buffer containing the MAC layer commands
dudmuck	0:8f0d0ae0a077	204	*/
dudmuck	0:8f0d0ae0a077	205	static uint8_t MacCommandsBuffer[LORA_MAC_COMMAND_MAX_LENGTH];
dudmuck	0:8f0d0ae0a077	206
dudmuck	0:8f0d0ae0a077	207	/*!
dudmuck	0:8f0d0ae0a077	208	* Buffer containing the MAC layer commands which must be repeated
dudmuck	0:8f0d0ae0a077	209	*/
dudmuck	0:8f0d0ae0a077	210	static uint8_t MacCommandsBufferToRepeat[LORA_MAC_COMMAND_MAX_LENGTH];
dudmuck	0:8f0d0ae0a077	211
dudmuck	0:8f0d0ae0a077	212	#if defined( USE_BAND_915_SINGLE )
dudmuck	0:8f0d0ae0a077	213	/*!
dudmuck	0:8f0d0ae0a077	214	* Data rates table definition
dudmuck	0:8f0d0ae0a077	215	*/
dudmuck	0:8f0d0ae0a077	216	const uint8_t Datarates[] = { 10, 9, 8, 7, 8, 0, 0, 0, 12, 11, 10, 9, 8, 7, 0, 0 };
dudmuck	0:8f0d0ae0a077	217
dudmuck	0:8f0d0ae0a077	218	/*!
dudmuck	0:8f0d0ae0a077	219	* Bandwidths table definition in Hz
dudmuck	0:8f0d0ae0a077	220	*/
dudmuck	0:8f0d0ae0a077	221	const uint32_t Bandwidths[] = { 125000, 125000, 125000, 125000, 500000, 0, 0, 0, 500000, 500000, 500000, 500000, 500000, 500000, 0, 0 };
dudmuck	0:8f0d0ae0a077	222
dudmuck	0:8f0d0ae0a077	223	/*!
dudmuck	0:8f0d0ae0a077	224	* LoRaMac bands
dudmuck	0:8f0d0ae0a077	225	*/
dudmuck	1:53c30224eda8	226	/*static Band_t Bands[LORA_MAX_NB_BANDS] =
dudmuck	0:8f0d0ae0a077	227	{
dudmuck	0:8f0d0ae0a077	228	BAND0,
dudmuck	1:53c30224eda8	229	};*/
dudmuck	0:8f0d0ae0a077	230
dudmuck	0:8f0d0ae0a077	231	/*!
dudmuck	0:8f0d0ae0a077	232	* LoRaMAC channels
dudmuck	0:8f0d0ae0a077	233	*/
dudmuck	0:8f0d0ae0a077	234	static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS];
dudmuck	0:8f0d0ae0a077	235
dudmuck	0:8f0d0ae0a077	236	/*!
dudmuck	0:8f0d0ae0a077	237	* Tx output powers table definition
dudmuck	0:8f0d0ae0a077	238	*/
dudmuck	0:8f0d0ae0a077	239	const int8_t TxPowers[] = { 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10 };
dudmuck	0:8f0d0ae0a077	240	#define LORAMAC_FIRST_CHANNEL ( (uint32_t)910.0e6 )
dudmuck	0:8f0d0ae0a077	241	#define LORAMAC_STEPWIDTH_CHANNEL ( (uint32_t)800e3 )
dudmuck	0:8f0d0ae0a077	242
dudmuck	0:8f0d0ae0a077	243	#define BEACON_SIZE 6 /* bytes */
dudmuck	0:8f0d0ae0a077	244	#define BEACON_CHANNEL_BW 2 /* 2=500KHz */
dudmuck	0:8f0d0ae0a077	245	#define BEACON_CHANNEL_DR LORAMAC_DEFAULT_DATARATE
dudmuck	0:8f0d0ae0a077	246
dudmuck	0:8f0d0ae0a077	247	/* measured beacon duration (all at bw500)
dudmuck	0:8f0d0ae0a077	248	* latency assigned for correct rx-before-tx measurement */
dudmuck	0:8f0d0ae0a077	249	#if (LORAMAC_DEFAULT_DATARATE == DR_8)
dudmuck	0:8f0d0ae0a077	250	#define BEACON_RXDONE_LATENCY_us 6000
dudmuck	0:8f0d0ae0a077	251	#define BEACON_TOA_us 209000
dudmuck	0:8f0d0ae0a077	252	#elif (LORAMAC_DEFAULT_DATARATE == DR_9)
dudmuck	0:8f0d0ae0a077	253	#define BEACON_RXDONE_LATENCY_us 3500
dudmuck	0:8f0d0ae0a077	254	#define BEACON_TOA_us 105000
dudmuck	0:8f0d0ae0a077	255	#elif (LORAMAC_DEFAULT_DATARATE == DR_10)
dudmuck	0:8f0d0ae0a077	256	#define BEACON_RXDONE_LATENCY_us 1460
dudmuck	0:8f0d0ae0a077	257	#define BEACON_TOA_us 52800
dudmuck	0:8f0d0ae0a077	258	#elif (LORAMAC_DEFAULT_DATARATE == DR_11)
dudmuck	0:8f0d0ae0a077	259	#define BEACON_RXDONE_LATENCY_us 2000
dudmuck	0:8f0d0ae0a077	260	#define BEACON_TOA_us 26000
dudmuck	0:8f0d0ae0a077	261	#elif (LORAMAC_DEFAULT_DATARATE == DR_12)
dudmuck	0:8f0d0ae0a077	262	#define BEACON_RXDONE_LATENCY_us 1500
dudmuck	0:8f0d0ae0a077	263	#define BEACON_TOA_us 12800
dudmuck	0:8f0d0ae0a077	264	#elif (LORAMAC_DEFAULT_DATARATE == DR_13)
dudmuck	0:8f0d0ae0a077	265	#define BEACON_RXDONE_LATENCY_us 1300
dudmuck	0:8f0d0ae0a077	266	#define BEACON_TOA_us 6560
dudmuck	0:8f0d0ae0a077	267	#endif
dudmuck	0:8f0d0ae0a077	268
dudmuck	0:8f0d0ae0a077	269	#define BEACON_GUARD_us 2000000 // pre-beacon start
dudmuck	0:8f0d0ae0a077	270	#define BEACON_RESERVED_us 2120000 // post-beacon start
dudmuck	0:8f0d0ae0a077	271
dudmuck	0:8f0d0ae0a077	272	//#define BEACON_SYMBOL_TIMEOUT_UNLOCKED 100
dudmuck	0:8f0d0ae0a077	273
dudmuck	0:8f0d0ae0a077	274	#else
dudmuck	0:8f0d0ae0a077	275	#error "Please define a frequency band in the compiler options."
dudmuck	0:8f0d0ae0a077	276	#endif
dudmuck	0:8f0d0ae0a077	277
dudmuck	0:8f0d0ae0a077	278	#define BEACON_MIN_SYMBOL_TIMEOUT 8
dudmuck	0:8f0d0ae0a077	279
dudmuck	0:8f0d0ae0a077	280	LowPowerTimer lp_timer;
dudmuck	0:8f0d0ae0a077	281
dudmuck	13:18de9ee3a461	282	#ifdef DEBUG_GWTX_JUMPER
dudmuck	13:18de9ee3a461	283	InterruptIn gwtx_pin(DEBUG_GWTX_JUMPER);
dudmuck	13:18de9ee3a461	284	unsigned int gwtx_rise_us;
dudmuck	13:18de9ee3a461	285
dudmuck	13:18de9ee3a461	286	void gwtx_pin_callback()
dudmuck	13:18de9ee3a461	287	{
dudmuck	13:18de9ee3a461	288	gwtx_rise_us = lp_timer.read_us();
dudmuck	13:18de9ee3a461	289	}
dudmuck	13:18de9ee3a461	290	#endif
dudmuck	13:18de9ee3a461	291
dudmuck	0:8f0d0ae0a077	292	/*!
dudmuck	0:8f0d0ae0a077	293	* LoRaMac parameters
dudmuck	0:8f0d0ae0a077	294	*/
dudmuck	0:8f0d0ae0a077	295	LoRaMacParams_t LoRaMacParams;
dudmuck	0:8f0d0ae0a077	296
dudmuck	0:8f0d0ae0a077	297	/*!
dudmuck	0:8f0d0ae0a077	298	* LoRaMac default parameters
dudmuck	0:8f0d0ae0a077	299	*/
dudmuck	0:8f0d0ae0a077	300	LoRaMacParams_t LoRaMacParamsDefaults;
dudmuck	0:8f0d0ae0a077	301
dudmuck	0:8f0d0ae0a077	302	/*!
dudmuck	0:8f0d0ae0a077	303	* Uplink messages repetitions counter
dudmuck	0:8f0d0ae0a077	304	*/
dudmuck	0:8f0d0ae0a077	305	static uint8_t ChannelsNbRepCounter = 0;
dudmuck	0:8f0d0ae0a077	306
dudmuck	0:8f0d0ae0a077	307	static uint32_t AggregatedLastTxDoneTime_us;
dudmuck	0:8f0d0ae0a077	308
dudmuck	0:8f0d0ae0a077	309	/*!
dudmuck	0:8f0d0ae0a077	310	* Current channel index
dudmuck	0:8f0d0ae0a077	311	*/
dudmuck	0:8f0d0ae0a077	312	static uint8_t Channel;
dudmuck	0:8f0d0ae0a077	313
dudmuck	0:8f0d0ae0a077	314	/*!
dudmuck	0:8f0d0ae0a077	315	* Stores the time at LoRaMac initialization.
dudmuck	0:8f0d0ae0a077	316	*
dudmuck	0:8f0d0ae0a077	317	* \remark Used for the BACKOFF_DC computation.
dudmuck	0:8f0d0ae0a077	318	*/
dudmuck	0:8f0d0ae0a077	319	//static TimerTime_t LoRaMacInitializationTime = 0;
dudmuck	0:8f0d0ae0a077	320
dudmuck	0:8f0d0ae0a077	321	/*!
dudmuck	0:8f0d0ae0a077	322	* LoRaMac internal states
dudmuck	0:8f0d0ae0a077	323	*/
dudmuck	0:8f0d0ae0a077	324	enum eLoRaMacState
dudmuck	0:8f0d0ae0a077	325	{
dudmuck	0:8f0d0ae0a077	326	LORAMAC_IDLE = 0x00000000,
dudmuck	0:8f0d0ae0a077	327	LORAMAC_TX_RUNNING = 0x00000001,
dudmuck	0:8f0d0ae0a077	328	LORAMAC_RX = 0x00000002,
dudmuck	0:8f0d0ae0a077	329	LORAMAC_ACK_REQ = 0x00000004,
dudmuck	0:8f0d0ae0a077	330	LORAMAC_ACK_RETRY = 0x00000008,
dudmuck	0:8f0d0ae0a077	331	LORAMAC_TX_DELAYED = 0x00000010,
dudmuck	0:8f0d0ae0a077	332	LORAMAC_TX_CONFIG = 0x00000020,
dudmuck	0:8f0d0ae0a077	333	LORAMAC_RX_ABORT = 0x00000040,
dudmuck	0:8f0d0ae0a077	334	LORAMAC_TX_SCHED = 0x00000080,
dudmuck	0:8f0d0ae0a077	335	};
dudmuck	0:8f0d0ae0a077	336
dudmuck	0:8f0d0ae0a077	337	/*!
dudmuck	0:8f0d0ae0a077	338	* LoRaMac internal state
dudmuck	0:8f0d0ae0a077	339	*/
dudmuck	0:8f0d0ae0a077	340	uint32_t LoRaMacState = LORAMAC_IDLE;
dudmuck	0:8f0d0ae0a077	341
dudmuck	0:8f0d0ae0a077	342	/*!
dudmuck	0:8f0d0ae0a077	343	* LoRaMac timer used to check the LoRaMacState (runs every second)
dudmuck	0:8f0d0ae0a077	344	*/
dudmuck	0:8f0d0ae0a077	345	static LowPowerTimeout MacStateCheckTimer;
dudmuck	0:8f0d0ae0a077	346
dudmuck	0:8f0d0ae0a077	347	/*!
dudmuck	0:8f0d0ae0a077	348	* LoRaMac upper layer event functions
dudmuck	0:8f0d0ae0a077	349	*/
dudmuck	0:8f0d0ae0a077	350	static LoRaMacPrimitives_t *LoRaMacPrimitives;
dudmuck	0:8f0d0ae0a077	351
dudmuck	0:8f0d0ae0a077	352	/*!
dudmuck	0:8f0d0ae0a077	353	* LoRaMac upper layer callback functions
dudmuck	0:8f0d0ae0a077	354	*/
dudmuck	0:8f0d0ae0a077	355	static LoRaMacCallback_t *LoRaMacCallbacks;
dudmuck	0:8f0d0ae0a077	356
dudmuck	0:8f0d0ae0a077	357	/*!
dudmuck	0:8f0d0ae0a077	358	* Radio events function pointer
dudmuck	0:8f0d0ae0a077	359	*/
dudmuck	0:8f0d0ae0a077	360	static RadioEvents_t RadioEvents;
dudmuck	0:8f0d0ae0a077	361
dudmuck	0:8f0d0ae0a077	362	/*!
dudmuck	0:8f0d0ae0a077	363	* LoRaMac duty cycle delayed Tx timer
dudmuck	0:8f0d0ae0a077	364	*/
dudmuck	0:8f0d0ae0a077	365	static LowPowerTimeout TxDelayedTimer;
dudmuck	0:8f0d0ae0a077	366	LowPowerTimeout tx_timeout;
dudmuck	0:8f0d0ae0a077	367
dudmuck	0:8f0d0ae0a077	368
dudmuck	0:8f0d0ae0a077	369	/*!
dudmuck	0:8f0d0ae0a077	370	* LoRaMac reception windows delay
dudmuck	0:8f0d0ae0a077	371	* \remark normal frame: RxWindowXDelay = ReceiveDelayX - RADIO_WAKEUP_TIME
dudmuck	0:8f0d0ae0a077	372	* join frame : RxWindowXDelay = JoinAcceptDelayX - RADIO_WAKEUP_TIME
dudmuck	0:8f0d0ae0a077	373	*/
dudmuck	0:8f0d0ae0a077	374	static uint32_t RxWindowDelay_us;
dudmuck	0:8f0d0ae0a077	375
dudmuck	0:8f0d0ae0a077	376	typedef enum {
dudmuck	0:8f0d0ae0a077	377	BEACON_STATE_NONE = 0,
dudmuck	0:8f0d0ae0a077	378	BEACON_STATE_FIRST_ACQ,
dudmuck	0:8f0d0ae0a077	379	BEACON_STATE_ACQ_ERROR,
dudmuck	0:8f0d0ae0a077	380	BEACON_STATE_LOCKED_,
dudmuck	0:8f0d0ae0a077	381	} beacon_state_e;
dudmuck	0:8f0d0ae0a077	382
dudmuck	0:8f0d0ae0a077	383	struct beacon_struct {
dudmuck	0:8f0d0ae0a077	384	int rx_precession_us; // positive: rxing before tx start, negative: rxing after tx start
dudmuck	0:8f0d0ae0a077	385	unsigned int RxBeaconSetupAt_us;
dudmuck	0:8f0d0ae0a077	386	unsigned int LastBeaconRx_us; // updated only at beacon reception
dudmuck	0:8f0d0ae0a077	387	unsigned int LastBeaconStart_us; // updated at beacon reception and beacon reception timeout
dudmuck	0:8f0d0ae0a077	388	unsigned int next_beacon_expected_us;
dudmuck	13:18de9ee3a461	389	int last_BeaconRxTimerError_us;
dudmuck	13:18de9ee3a461	390	int known_working_BeaconRxTimerError_us;
dudmuck	0:8f0d0ae0a077	391
dudmuck	0:8f0d0ae0a077	392	float symbol_period_secs;
dudmuck	0:8f0d0ae0a077	393
dudmuck	0:8f0d0ae0a077	394	uint8_t Precess_symbols; // how many symbols we want to start receiver before expected transmitter
dudmuck	0:8f0d0ae0a077	395	uint8_t SymbolTimeout;
dudmuck	0:8f0d0ae0a077	396	float SymbolTimeout_sec;
dudmuck	0:8f0d0ae0a077	397	uint8_t num_missed;
dudmuck	0:8f0d0ae0a077	398
dudmuck	0:8f0d0ae0a077	399	beacon_state_e state;
dudmuck	0:8f0d0ae0a077	400
dudmuck	0:8f0d0ae0a077	401	uint16_t tx_slot_offset;
dudmuck	0:8f0d0ae0a077	402	uint16_t periodicity_slots;
dudmuck	0:8f0d0ae0a077	403
dudmuck	0:8f0d0ae0a077	404	LowPowerTimeout timeout;
dudmuck	0:8f0d0ae0a077	405	bool have_beacon;
dudmuck	0:8f0d0ae0a077	406	} BeaconCtx;
dudmuck	0:8f0d0ae0a077	407
dudmuck	0:8f0d0ae0a077	408	/*!
dudmuck	0:8f0d0ae0a077	409	* Rx window parameters
dudmuck	0:8f0d0ae0a077	410	*/
dudmuck	0:8f0d0ae0a077	411	typedef struct
dudmuck	0:8f0d0ae0a077	412	{
dudmuck	0:8f0d0ae0a077	413	int8_t Datarate;
dudmuck	0:8f0d0ae0a077	414	uint8_t Bandwidth;
dudmuck	0:8f0d0ae0a077	415	uint32_t RxWindowTimeout;
dudmuck	0:8f0d0ae0a077	416	int32_t RxOffset;
dudmuck	0:8f0d0ae0a077	417	}RxConfigParams_t;
dudmuck	0:8f0d0ae0a077	418
dudmuck	0:8f0d0ae0a077	419	/*!
dudmuck	0:8f0d0ae0a077	420	* Rx windows params
dudmuck	0:8f0d0ae0a077	421	*/
dudmuck	0:8f0d0ae0a077	422	static RxConfigParams_t RxWindowsParam;
dudmuck	0:8f0d0ae0a077	423
dudmuck	10:00997daeb0c0	424	bool expecting_beacon;
dudmuck	0:8f0d0ae0a077	425	/*!
dudmuck	0:8f0d0ae0a077	426	* Acknowledge timeout timer. Used for packet retransmissions.
dudmuck	0:8f0d0ae0a077	427	*/
dudmuck	0:8f0d0ae0a077	428	static LowPowerTimeout AckTimeoutTimer;
dudmuck	0:8f0d0ae0a077	429
dudmuck	0:8f0d0ae0a077	430	uint32_t TxTimeOnAir = 0;
dudmuck	0:8f0d0ae0a077	431
dudmuck	0:8f0d0ae0a077	432	/*!
dudmuck	0:8f0d0ae0a077	433	* Number of trials for the Join Request
dudmuck	0:8f0d0ae0a077	434	*/
dudmuck	0:8f0d0ae0a077	435	static uint8_t JoinRequestTrials;
dudmuck	0:8f0d0ae0a077	436
dudmuck	0:8f0d0ae0a077	437	/*!
dudmuck	0:8f0d0ae0a077	438	* Maximum number of trials for the Join Request
dudmuck	0:8f0d0ae0a077	439	*/
dudmuck	0:8f0d0ae0a077	440	static uint8_t MaxJoinRequestTrials;
dudmuck	0:8f0d0ae0a077	441
dudmuck	0:8f0d0ae0a077	442	/*!
dudmuck	0:8f0d0ae0a077	443	* Structure to hold an MCPS indication data.
dudmuck	0:8f0d0ae0a077	444	*/
dudmuck	0:8f0d0ae0a077	445	static McpsIndication_t McpsIndication;
dudmuck	0:8f0d0ae0a077	446
dudmuck	0:8f0d0ae0a077	447	/*!
dudmuck	0:8f0d0ae0a077	448	* Structure to hold MCPS confirm data.
dudmuck	0:8f0d0ae0a077	449	*/
dudmuck	0:8f0d0ae0a077	450	static McpsConfirm_t McpsConfirm;
dudmuck	0:8f0d0ae0a077	451
dudmuck	0:8f0d0ae0a077	452	/*!
dudmuck	0:8f0d0ae0a077	453	* Structure to hold MLME confirm data.
dudmuck	0:8f0d0ae0a077	454	*/
dudmuck	0:8f0d0ae0a077	455	static MlmeConfirm_t MlmeConfirm;
dudmuck	0:8f0d0ae0a077	456
dudmuck	0:8f0d0ae0a077	457	/*!
dudmuck	0:8f0d0ae0a077	458	* Structure to hold MLME indication data.
dudmuck	0:8f0d0ae0a077	459	*/
dudmuck	0:8f0d0ae0a077	460	static MlmeIndication_t MlmeIndication;
dudmuck	0:8f0d0ae0a077	461
dudmuck	0:8f0d0ae0a077	462	/*!
dudmuck	0:8f0d0ae0a077	463	* LoRaMac tx/rx operation state
dudmuck	0:8f0d0ae0a077	464	*/
dudmuck	0:8f0d0ae0a077	465	LoRaMacFlags_t LoRaMacFlags;
dudmuck	0:8f0d0ae0a077	466
dudmuck	0:8f0d0ae0a077	467	/*!
dudmuck	0:8f0d0ae0a077	468	* \brief Function to be executed on Radio Tx Done event
dudmuck	0:8f0d0ae0a077	469	*/
dudmuck	0:8f0d0ae0a077	470	static void OnRadioTxDone( unsigned int tx_done_us );
dudmuck	0:8f0d0ae0a077	471	unsigned int TxDone_us;
dudmuck	0:8f0d0ae0a077	472
dudmuck	0:8f0d0ae0a077	473	/*!
dudmuck	0:8f0d0ae0a077	474	* \brief This function prepares the MAC to abort the execution of function
dudmuck	0:8f0d0ae0a077	475	* OnRadioRxDone in case of a reception error.
dudmuck	0:8f0d0ae0a077	476	*/
dudmuck	0:8f0d0ae0a077	477	static void PrepareRxDoneAbort( void );
dudmuck	0:8f0d0ae0a077	478
dudmuck	0:8f0d0ae0a077	479	/*!
dudmuck	0:8f0d0ae0a077	480	* \brief Function to be executed on Radio Rx Done event
dudmuck	0:8f0d0ae0a077	481	*/
dudmuck	0:8f0d0ae0a077	482	static void OnRadioRxDone(unsigned rx_us, uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
dudmuck	0:8f0d0ae0a077	483
dudmuck	0:8f0d0ae0a077	484	/*!
dudmuck	0:8f0d0ae0a077	485	* \brief Function executed on Radio Tx Timeout event
dudmuck	0:8f0d0ae0a077	486	*/
dudmuck	0:8f0d0ae0a077	487	static void OnRadioTxTimeout( void );
dudmuck	0:8f0d0ae0a077	488
dudmuck	0:8f0d0ae0a077	489	/*!
dudmuck	0:8f0d0ae0a077	490	* \brief Function executed on Radio Rx error event
dudmuck	0:8f0d0ae0a077	491	*/
dudmuck	0:8f0d0ae0a077	492	static void OnRadioRxError( void );
dudmuck	0:8f0d0ae0a077	493
dudmuck	0:8f0d0ae0a077	494	/*!
dudmuck	0:8f0d0ae0a077	495	* \brief Function executed on Radio Rx Timeout event
dudmuck	0:8f0d0ae0a077	496	*/
dudmuck	0:8f0d0ae0a077	497	static void OnRadioRxTimeout( void );
dudmuck	0:8f0d0ae0a077	498
dudmuck	0:8f0d0ae0a077	499	/*!
dudmuck	0:8f0d0ae0a077	500	* \brief Function executed on Resend Frame timer event.
dudmuck	0:8f0d0ae0a077	501	*/
dudmuck	0:8f0d0ae0a077	502	static void OnMacStateCheckTimerEvent( void );
dudmuck	0:8f0d0ae0a077	503
dudmuck	0:8f0d0ae0a077	504	/*!
dudmuck	0:8f0d0ae0a077	505	* \brief Function executed on duty cycle delayed Tx timer event
dudmuck	0:8f0d0ae0a077	506	*/
dudmuck	0:8f0d0ae0a077	507	static void OnTxDelayedTimerEvent( void );
dudmuck	0:8f0d0ae0a077	508
dudmuck	0:8f0d0ae0a077	509	static void OnRxWindowTimerEvent( void );
dudmuck	0:8f0d0ae0a077	510
dudmuck	0:8f0d0ae0a077	511	/*!
dudmuck	0:8f0d0ae0a077	512	* \brief Function executed on AckTimeout timer event
dudmuck	0:8f0d0ae0a077	513	*/
dudmuck	0:8f0d0ae0a077	514	static void OnAckTimeoutTimerEvent( void );
dudmuck	0:8f0d0ae0a077	515
dudmuck	0:8f0d0ae0a077	516
dudmuck	0:8f0d0ae0a077	517	/*!
dudmuck	0:8f0d0ae0a077	518	* \brief Initializes and opens the reception window
dudmuck	0:8f0d0ae0a077	519	*
dudmuck	0:8f0d0ae0a077	520	* \param [IN] freq window channel frequency
dudmuck	0:8f0d0ae0a077	521	* \param [IN] datarate window channel datarate
dudmuck	0:8f0d0ae0a077	522	* \param [IN] bandwidth window channel bandwidth
dudmuck	0:8f0d0ae0a077	523	* \param [IN] timeout window channel timeout
dudmuck	0:8f0d0ae0a077	524	*
dudmuck	0:8f0d0ae0a077	525	* \retval status Operation status [true: Success, false: Fail]
dudmuck	0:8f0d0ae0a077	526	*/
dudmuck	0:8f0d0ae0a077	527	static bool RxWindowSetup( uint32_t freq, int8_t datarate, uint32_t bandwidth, uint16_t timeout, bool rxContinuous );
dudmuck	0:8f0d0ae0a077	528
dudmuck	0:8f0d0ae0a077	529	/*!
dudmuck	0:8f0d0ae0a077	530	* \brief Verifies if the RX window 2 frequency is in range
dudmuck	0:8f0d0ae0a077	531	*
dudmuck	0:8f0d0ae0a077	532	* \param [IN] freq window channel frequency
dudmuck	0:8f0d0ae0a077	533	*
dudmuck	0:8f0d0ae0a077	534	* \retval status Function status [1: OK, 0: Frequency not applicable]
dudmuck	0:8f0d0ae0a077	535	*/
dudmuck	0:8f0d0ae0a077	536	//static bool Rx2FreqInRange( uint32_t freq );
dudmuck	0:8f0d0ae0a077	537
dudmuck	0:8f0d0ae0a077	538	/*!
dudmuck	0:8f0d0ae0a077	539	* \brief Adds a new MAC command to be sent.
dudmuck	0:8f0d0ae0a077	540	*
dudmuck	0:8f0d0ae0a077	541	* \Remark MAC layer internal function
dudmuck	0:8f0d0ae0a077	542	*
dudmuck	0:8f0d0ae0a077	543	* \param [in] cmd MAC command to be added
dudmuck	0:8f0d0ae0a077	544	* [MOTE_MAC_LINK_CHECK_REQ,
dudmuck	0:8f0d0ae0a077	545	* MOTE_MAC_LINK_ADR_ANS,
dudmuck	0:8f0d0ae0a077	546	* MOTE_MAC_DUTY_CYCLE_ANS,
dudmuck	0:8f0d0ae0a077	547	* MOTE_MAC_RX2_PARAM_SET_ANS,
dudmuck	0:8f0d0ae0a077	548	* MOTE_MAC_DEV_STATUS_ANS
dudmuck	0:8f0d0ae0a077	549	* MOTE_MAC_NEW_CHANNEL_ANS]
dudmuck	0:8f0d0ae0a077	550	* \param [in] p1 1st parameter ( optional depends on the command )
dudmuck	0:8f0d0ae0a077	551	* \param [in] p2 2nd parameter ( optional depends on the command )
dudmuck	0:8f0d0ae0a077	552	*
dudmuck	0:8f0d0ae0a077	553	* \retval status Function status [0: OK, 1: Unknown command, 2: Buffer full]
dudmuck	0:8f0d0ae0a077	554	*/
dudmuck	0:8f0d0ae0a077	555	static LoRaMacStatus_t AddMacCommand( uint8_t cmd, uint8_t p1, uint8_t p2 );
dudmuck	0:8f0d0ae0a077	556
dudmuck	0:8f0d0ae0a077	557	/*!
dudmuck	0:8f0d0ae0a077	558	* \brief Parses the MAC commands which must be repeated.
dudmuck	0:8f0d0ae0a077	559	*
dudmuck	0:8f0d0ae0a077	560	* \Remark MAC layer internal function
dudmuck	0:8f0d0ae0a077	561	*
dudmuck	0:8f0d0ae0a077	562	* \param [IN] cmdBufIn Buffer which stores the MAC commands to send
dudmuck	0:8f0d0ae0a077	563	* \param [IN] length Length of the input buffer to parse
dudmuck	0:8f0d0ae0a077	564	* \param [OUT] cmdBufOut Buffer which stores the MAC commands which must be
dudmuck	0:8f0d0ae0a077	565	* repeated.
dudmuck	0:8f0d0ae0a077	566	*
dudmuck	0:8f0d0ae0a077	567	* \retval Size of the MAC commands to repeat.
dudmuck	0:8f0d0ae0a077	568	*/
dudmuck	0:8f0d0ae0a077	569	static uint8_t ParseMacCommandsToRepeat( uint8_t* cmdBufIn, uint8_t length, uint8_t* cmdBufOut );
dudmuck	0:8f0d0ae0a077	570
dudmuck	0:8f0d0ae0a077	571	/*!
dudmuck	0:8f0d0ae0a077	572	* \brief Verifies, if a value is in a given range.
dudmuck	0:8f0d0ae0a077	573	*
dudmuck	0:8f0d0ae0a077	574	* \param value Value to verify, if it is in range
dudmuck	0:8f0d0ae0a077	575	*
dudmuck	0:8f0d0ae0a077	576	* \param min Minimum possible value
dudmuck	0:8f0d0ae0a077	577	*
dudmuck	0:8f0d0ae0a077	578	* \param max Maximum possible value
dudmuck	0:8f0d0ae0a077	579	*
dudmuck	0:8f0d0ae0a077	580	* \retval Returns the maximum valid tx power
dudmuck	0:8f0d0ae0a077	581	*/
dudmuck	0:8f0d0ae0a077	582	static bool ValueInRange( int8_t value, int8_t min, int8_t max );
dudmuck	0:8f0d0ae0a077	583
dudmuck	0:8f0d0ae0a077	584
dudmuck	0:8f0d0ae0a077	585	/*!
dudmuck	0:8f0d0ae0a077	586	* \brief Decodes MAC commands in the fOpts field and in the payload
dudmuck	0:8f0d0ae0a077	587	*/
dudmuck	0:8f0d0ae0a077	588	static void ProcessMacCommands( uint8_t *payload, uint8_t macIndex, uint8_t commandsSize, uint8_t snr );
dudmuck	0:8f0d0ae0a077	589
dudmuck	0:8f0d0ae0a077	590	/*!
dudmuck	0:8f0d0ae0a077	591	* \brief LoRaMAC layer generic send frame
dudmuck	0:8f0d0ae0a077	592	*
dudmuck	0:8f0d0ae0a077	593	* \param [IN] macHdr MAC header field
dudmuck	0:8f0d0ae0a077	594	* \param [IN] fPort MAC payload port
dudmuck	0:8f0d0ae0a077	595	* \param [IN] fBuffer MAC data buffer to be sent
dudmuck	0:8f0d0ae0a077	596	* \param [IN] fBufferSize MAC data buffer size
dudmuck	0:8f0d0ae0a077	597	* \retval status Status of the operation.
dudmuck	0:8f0d0ae0a077	598	*/
dudmuck	0:8f0d0ae0a077	599	LoRaMacStatus_t Send( LoRaMacHeader_t macHdr, uint8_t fPort, void fBuffer, uint16_t fBufferSize );
dudmuck	0:8f0d0ae0a077	600
dudmuck	0:8f0d0ae0a077	601	/*!
dudmuck	0:8f0d0ae0a077	602	* \brief LoRaMAC layer frame buffer initialization
dudmuck	0:8f0d0ae0a077	603	*
dudmuck	0:8f0d0ae0a077	604	* \param [IN] macHdr MAC header field
dudmuck	0:8f0d0ae0a077	605	* \param [IN] fCtrl MAC frame control field
dudmuck	0:8f0d0ae0a077	606	* \param [IN] fOpts MAC commands buffer
dudmuck	0:8f0d0ae0a077	607	* \param [IN] fPort MAC payload port
dudmuck	0:8f0d0ae0a077	608	* \param [IN] fBuffer MAC data buffer to be sent
dudmuck	0:8f0d0ae0a077	609	* \param [IN] fBufferSize MAC data buffer size
dudmuck	0:8f0d0ae0a077	610	* \retval status Status of the operation.
dudmuck	0:8f0d0ae0a077	611	*/
dudmuck	0:8f0d0ae0a077	612	LoRaMacStatus_t PrepareFrame( LoRaMacHeader_t macHdr, LoRaMacFrameCtrl_t fCtrl, uint8_t fPort, void *fBuffer, uint16_t fBufferSize );
dudmuck	0:8f0d0ae0a077	613
dudmuck	0:8f0d0ae0a077	614	/*
dudmuck	0:8f0d0ae0a077	615	* \brief Schedules the frame according to the duty cycle
dudmuck	0:8f0d0ae0a077	616	*
dudmuck	0:8f0d0ae0a077	617	* \retval Status of the operation
dudmuck	0:8f0d0ae0a077	618	*/
dudmuck	0:8f0d0ae0a077	619	static LoRaMacStatus_t ScheduleTx( void );
dudmuck	0:8f0d0ae0a077	620
dudmuck	0:8f0d0ae0a077	621
dudmuck	0:8f0d0ae0a077	622	/*!
dudmuck	0:8f0d0ae0a077	623	* \brief LoRaMAC layer prepared frame buffer transmission with channel specification
dudmuck	0:8f0d0ae0a077	624	*
dudmuck	0:8f0d0ae0a077	625	* \remark PrepareFrame must be called at least once before calling this
dudmuck	0:8f0d0ae0a077	626	* function.
dudmuck	0:8f0d0ae0a077	627	*
dudmuck	0:8f0d0ae0a077	628	* \param [IN] channel Channel parameters
dudmuck	0:8f0d0ae0a077	629	* \retval status Status of the operation.
dudmuck	0:8f0d0ae0a077	630	*/
dudmuck	0:8f0d0ae0a077	631	LoRaMacStatus_t SendFrameOnChannel( ChannelParams_t channel );
dudmuck	0:8f0d0ae0a077	632
dudmuck	0:8f0d0ae0a077	633	/*!
dudmuck	0:8f0d0ae0a077	634	* \brief Sets the radio in continuous transmission mode
dudmuck	0:8f0d0ae0a077	635	*
dudmuck	0:8f0d0ae0a077	636	* \remark Uses the radio parameters set on the previous transmission.
dudmuck	0:8f0d0ae0a077	637	*
dudmuck	0:8f0d0ae0a077	638	* \param [IN] timeout Time in seconds while the radio is kept in continuous wave mode
dudmuck	0:8f0d0ae0a077	639	* \retval status Status of the operation.
dudmuck	0:8f0d0ae0a077	640	*/
dudmuck	0:8f0d0ae0a077	641	LoRaMacStatus_t SetTxContinuousWave( uint16_t timeout );
dudmuck	0:8f0d0ae0a077	642
dudmuck	0:8f0d0ae0a077	643	/*!
dudmuck	0:8f0d0ae0a077	644	* \brief Sets the radio in continuous transmission mode
dudmuck	0:8f0d0ae0a077	645	*
dudmuck	0:8f0d0ae0a077	646	* \remark Uses the radio parameters set on the previous transmission.
dudmuck	0:8f0d0ae0a077	647	*
dudmuck	0:8f0d0ae0a077	648	* \param [IN] timeout Time in seconds while the radio is kept in continuous wave mode
dudmuck	0:8f0d0ae0a077	649	* \param [IN] frequency RF frequency to be set.
dudmuck	0:8f0d0ae0a077	650	* \param [IN] power RF ouptput power to be set.
dudmuck	0:8f0d0ae0a077	651	* \retval status Status of the operation.
dudmuck	0:8f0d0ae0a077	652	*/
dudmuck	0:8f0d0ae0a077	653	LoRaMacStatus_t SetTxContinuousWave1( uint16_t timeout, uint32_t frequency, uint8_t power );
dudmuck	0:8f0d0ae0a077	654
dudmuck	0:8f0d0ae0a077	655	/*!
dudmuck	0:8f0d0ae0a077	656	* \brief Resets MAC specific parameters to default
dudmuck	0:8f0d0ae0a077	657	*/
dudmuck	0:8f0d0ae0a077	658	static void ResetMacParameters( void );
dudmuck	0:8f0d0ae0a077	659
dudmuck	0:8f0d0ae0a077	660	void
dudmuck	0:8f0d0ae0a077	661	loramac_print_status()
dudmuck	0:8f0d0ae0a077	662	{
dudmuck	7:e238827f0e47	663	isr_printf("LoRaMacState:%lx DR%u=sf%u\r\n", LoRaMacState, LoRaMacParams.ChannelsDatarate_fixed, Datarates[LoRaMacParams.ChannelsDatarate_fixed]);
dudmuck	0:8f0d0ae0a077	664	}
dudmuck	0:8f0d0ae0a077	665
dudmuck	0:8f0d0ae0a077	666	/*
dudmuck	0:8f0d0ae0a077	667	* Rx window precise timing
dudmuck	0:8f0d0ae0a077	668	*
dudmuck	0:8f0d0ae0a077	669	* For more details please consult the following document, chapter 3.1.2.
dudmuck	0:8f0d0ae0a077	670	* http://www.semtech.com/images/datasheet/SX1272_settings_for_LoRaWAN_v2.0.pdf
dudmuck	0:8f0d0ae0a077	671	* or
dudmuck	0:8f0d0ae0a077	672	* http://www.semtech.com/images/datasheet/SX1276_settings_for_LoRaWAN_v2.0.pdf
dudmuck	0:8f0d0ae0a077	673	*
dudmuck	0:8f0d0ae0a077	674	* Downlink start: T = Tx + 1s (+/- 20 us)
dudmuck	0:8f0d0ae0a077	675	* \|
dudmuck	0:8f0d0ae0a077	676	* TRxEarly \| TRxLate
dudmuck	0:8f0d0ae0a077	677	* \| \| \|
dudmuck	0:8f0d0ae0a077	678	* \| \| +---+---+---+---+---+---+---+---+
dudmuck	0:8f0d0ae0a077	679	* \| \| \| Latest Rx window \|
dudmuck	0:8f0d0ae0a077	680	* \| \| +---+---+---+---+---+---+---+---+
dudmuck	0:8f0d0ae0a077	681	* \| \| \|
dudmuck	0:8f0d0ae0a077	682	* +---+---+---+---+---+---+---+---+
dudmuck	0:8f0d0ae0a077	683	* \| Earliest Rx window \|
dudmuck	0:8f0d0ae0a077	684	* +---+---+---+---+---+---+---+---+
dudmuck	0:8f0d0ae0a077	685	* \|
dudmuck	0:8f0d0ae0a077	686	* +---+---+---+---+---+---+---+---+
dudmuck	0:8f0d0ae0a077	687	*Downlink preamble 8 symbols \| \| \| \| \| \| \| \| \|
dudmuck	0:8f0d0ae0a077	688	* +---+---+---+---+---+---+---+---+
dudmuck	0:8f0d0ae0a077	689	*
dudmuck	0:8f0d0ae0a077	690	* Worst case Rx window timings
dudmuck	0:8f0d0ae0a077	691	*
dudmuck	0:8f0d0ae0a077	692	* TRxLate = DEFAULT_MIN_RX_SYMBOLS * tSymbol - RADIO_WAKEUP_TIME
dudmuck	0:8f0d0ae0a077	693	* TRxEarly = 8 - DEFAULT_MIN_RX_SYMBOLS * tSymbol - RxWindowTimeout - RADIO_WAKEUP_TIME
dudmuck	0:8f0d0ae0a077	694	*
dudmuck	0:8f0d0ae0a077	695	* TRxLate - TRxEarly = 2 * DEFAULT_SYSTEM_MAX_RX_ERROR
dudmuck	0:8f0d0ae0a077	696	*
dudmuck	0:8f0d0ae0a077	697	* RxOffset = ( TRxLate + TRxEarly ) / 2
dudmuck	0:8f0d0ae0a077	698	*
dudmuck	0:8f0d0ae0a077	699	* RxWindowTimeout = ( 2 * DEFAULT_MIN_RX_SYMBOLS - 8 ) * tSymbol + 2 * DEFAULT_SYSTEM_MAX_RX_ERROR
dudmuck	0:8f0d0ae0a077	700	* RxOffset = 4 * tSymbol - RxWindowTimeout / 2 - RADIO_WAKE_UP_TIME
dudmuck	0:8f0d0ae0a077	701	*
dudmuck	0:8f0d0ae0a077	702	* Minimal value of RxWindowTimeout must be 5 symbols which implies that the system always tolerates at least an error of 1.5 * tSymbol
dudmuck	0:8f0d0ae0a077	703	*/
dudmuck	0:8f0d0ae0a077	704	/*!
dudmuck	0:8f0d0ae0a077	705	* Computes the Rx window parameters.
dudmuck	0:8f0d0ae0a077	706	*
dudmuck	0:8f0d0ae0a077	707	* \param [IN] datarate Rx window datarate to be used
dudmuck	0:8f0d0ae0a077	708	* \param [IN] rxError Maximum timing error of the receiver. in milliseconds
dudmuck	0:8f0d0ae0a077	709	* The receiver will turn on in a [-rxError : +rxError] ms
dudmuck	0:8f0d0ae0a077	710	* interval around RxOffset
dudmuck	0:8f0d0ae0a077	711	*
dudmuck	0:8f0d0ae0a077	712	* \retval rxConfigParams Returns a RxConfigParams_t structure.
dudmuck	0:8f0d0ae0a077	713	*/
dudmuck	0:8f0d0ae0a077	714	static RxConfigParams_t ComputeRxWindowParameters( int8_t datarate, uint32_t rxError );
dudmuck	0:8f0d0ae0a077	715
dudmuck	0:8f0d0ae0a077	716	static void OnRadioTxDone( unsigned int tx_done_us )
dudmuck	0:8f0d0ae0a077	717	{
dudmuck	0:8f0d0ae0a077	718	Radio.Sleep( );
dudmuck	0:8f0d0ae0a077	719	TxDone_us = tx_done_us;
dudmuck	0:8f0d0ae0a077	720
dudmuck	0:8f0d0ae0a077	721	// Setup timers
dudmuck	0:8f0d0ae0a077	722	if( IsRxWindowsEnabled == true )
dudmuck	0:8f0d0ae0a077	723	{
dudmuck	12:ed33c53afcaf	724	if (BeaconCtx.state != BEACON_STATE_NONE) {
dudmuck	12:ed33c53afcaf	725	int us_to_beacon, us_since_beacon_start = lp_timer.read_us() - BeaconCtx.LastBeaconStart_us;
dudmuck	12:ed33c53afcaf	726	us_to_beacon = BEACON_INTERVAL_us - us_since_beacon_start;
dudmuck	12:ed33c53afcaf	727
dudmuck	12:ed33c53afcaf	728	if (us_to_beacon < 500000) {
dudmuck	12:ed33c53afcaf	729	/* would step on beacon reception */
dudmuck	12:ed33c53afcaf	730	isr_printf("<rxwinT %d>\r\n", us_to_beacon);
dudmuck	12:ed33c53afcaf	731	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT;
dudmuck	12:ed33c53afcaf	732	MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT;
dudmuck	12:ed33c53afcaf	733	LoRaMacFlags.Bits.MacDone = 1;
dudmuck	12:ed33c53afcaf	734	return;
dudmuck	12:ed33c53afcaf	735	}
dudmuck	8:ab2f9a8d2eaa	736	}
dudmuck	0:8f0d0ae0a077	737	rx_timeout.attach_us(&OnRxWindowTimerEvent, RxWindowDelay_us);
dudmuck	0:8f0d0ae0a077	738	if( NodeAckRequested == true )
dudmuck	0:8f0d0ae0a077	739	{
dudmuck	0:8f0d0ae0a077	740	AckTimeoutTimer.attach_us(&OnAckTimeoutTimerEvent, (RxWindowDelay_us/1000) + ACK_TIMEOUT_us + randr(-ACK_TIMEOUT_RND_us, ACK_TIMEOUT_RND_us));
dudmuck	0:8f0d0ae0a077	741	}
dudmuck	0:8f0d0ae0a077	742	}
dudmuck	0:8f0d0ae0a077	743	else
dudmuck	0:8f0d0ae0a077	744	{
dudmuck	0:8f0d0ae0a077	745	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck	0:8f0d0ae0a077	746	MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT;
dudmuck	0:8f0d0ae0a077	747
dudmuck	0:8f0d0ae0a077	748	if( LoRaMacFlags.Value == 0 )
dudmuck	0:8f0d0ae0a077	749	{
dudmuck	0:8f0d0ae0a077	750	LoRaMacFlags.Bits.McpsReq = 1;
dudmuck	0:8f0d0ae0a077	751	}
dudmuck	0:8f0d0ae0a077	752	LoRaMacFlags.Bits.MacDone = 1;
dudmuck	0:8f0d0ae0a077	753	}
dudmuck	0:8f0d0ae0a077	754
dudmuck	0:8f0d0ae0a077	755	// Update last tx done time for the current channel
dudmuck	1:53c30224eda8	756	//Bands[Channels[Channel].Band].last_tx_done_us = tx_done_us;
dudmuck	0:8f0d0ae0a077	757	// Update Aggregated last tx done time
dudmuck	0:8f0d0ae0a077	758	AggregatedLastTxDoneTime_us = tx_done_us;
dudmuck	0:8f0d0ae0a077	759	// Update Backoff
dudmuck	0:8f0d0ae0a077	760
dudmuck	0:8f0d0ae0a077	761	if( NodeAckRequested == false )
dudmuck	0:8f0d0ae0a077	762	{
dudmuck	0:8f0d0ae0a077	763	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck	0:8f0d0ae0a077	764	ChannelsNbRepCounter++;
dudmuck	0:8f0d0ae0a077	765	}
dudmuck	10:00997daeb0c0	766
dudmuck	10:00997daeb0c0	767	MlmeIndication.MlmeIndication = MLME_TXDONE;
dudmuck	10:00997daeb0c0	768	MlmeIndication.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck	10:00997daeb0c0	769	LoRaMacPrimitives->MacMlmeIndication( &MlmeIndication );
dudmuck	0:8f0d0ae0a077	770	}
dudmuck	0:8f0d0ae0a077	771
dudmuck	0:8f0d0ae0a077	772	static void PrepareRxDoneAbort( void )
dudmuck	0:8f0d0ae0a077	773	{
dudmuck	0:8f0d0ae0a077	774	LoRaMacState \|= LORAMAC_RX_ABORT;
dudmuck	0:8f0d0ae0a077	775
dudmuck	0:8f0d0ae0a077	776	if( NodeAckRequested )
dudmuck	0:8f0d0ae0a077	777	{
dudmuck	0:8f0d0ae0a077	778	OnAckTimeoutTimerEvent( );
dudmuck	0:8f0d0ae0a077	779	}
dudmuck	0:8f0d0ae0a077	780
dudmuck	0:8f0d0ae0a077	781	LoRaMacFlags.Bits.McpsInd = 1;
dudmuck	0:8f0d0ae0a077	782	LoRaMacFlags.Bits.MacDone = 1;
dudmuck	0:8f0d0ae0a077	783
dudmuck	0:8f0d0ae0a077	784	// Trig OnMacCheckTimerEvent call as soon as possible
dudmuck	0:8f0d0ae0a077	785	OnMacStateCheckTimerEvent();
dudmuck	0:8f0d0ae0a077	786	}
dudmuck	0:8f0d0ae0a077	787
dudmuck	8:ab2f9a8d2eaa	788	int us_at_sched;
dudmuck	0:8f0d0ae0a077	789	void send_callback()
dudmuck	0:8f0d0ae0a077	790	{
dudmuck	8:ab2f9a8d2eaa	791	LoRaMacState &= ~LORAMAC_TX_SCHED;
dudmuck	8:ab2f9a8d2eaa	792
dudmuck	5:c108560af4c3	793	Radio.SetTxConfig(
dudmuck	5:c108560af4c3	794	/* RadioModems_t modem */ MODEM_LORA,
dudmuck	5:c108560af4c3	795	/* int8_t power */ TxPowers[LoRaMacParams.ChannelsTxPower],
dudmuck	5:c108560af4c3	796	/* uint32_t fdev */ 0,
dudmuck	5:c108560af4c3	797	/* uint32_t bandwidth */ 2,
dudmuck	5:c108560af4c3	798	/* uint32_t datarate */ Datarates[LoRaMacParams.ChannelsDatarate_fixed],
dudmuck	5:c108560af4c3	799	/* uint8_t coderate */ 1,
dudmuck	5:c108560af4c3	800	/* uint16_t preambleLen */ 8,
dudmuck	5:c108560af4c3	801	/* bool fixLen */ false,
dudmuck	5:c108560af4c3	802	/* bool crcOn */ true,
dudmuck	5:c108560af4c3	803	/* bool freqHopOn */ 0,
dudmuck	5:c108560af4c3	804	/* uint8_t hopPeriod */ 0,
dudmuck	5:c108560af4c3	805	/* bool iqInverted */ false,
dudmuck	5:c108560af4c3	806	/* uint32_t timeout */ 3e3
dudmuck	5:c108560af4c3	807	);
dudmuck	0:8f0d0ae0a077	808	Radio.Send( LoRaMacBuffer, LoRaMacBufferPktLen );
dudmuck	0:8f0d0ae0a077	809
dudmuck	0:8f0d0ae0a077	810	LoRaMacState \|= LORAMAC_TX_RUNNING;
dudmuck	0:8f0d0ae0a077	811
dudmuck	0:8f0d0ae0a077	812	// Starts the MAC layer status check timer
dudmuck	0:8f0d0ae0a077	813	MacStateCheckTimer.attach_us(&OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT_us);
dudmuck	5:c108560af4c3	814
dudmuck	5:c108560af4c3	815	/*
dudmuck	5:c108560af4c3	816	unsigned int now_us = lp_timer.read_us();
dudmuck	5:c108560af4c3	817	int us_since_beacon_start = now_us - BeaconCtx.LastBeaconStart_us;
dudmuck	5:c108560af4c3	818	int now_slot = (us_since_beacon_start - BEACON_RESERVED_us) / 30000;
dudmuck	5:c108560af4c3	819	isr_printf("send now slot:%u\r\n", now_slot);
dudmuck	5:c108560af4c3	820	*/
dudmuck	0:8f0d0ae0a077	821	}
dudmuck	0:8f0d0ae0a077	822
dudmuck	0:8f0d0ae0a077	823	void OnRxBeaconSetup()
dudmuck	0:8f0d0ae0a077	824	{
dudmuck	0:8f0d0ae0a077	825	BeaconCtx.RxBeaconSetupAt_us = lp_timer.read_us();
dudmuck	10:00997daeb0c0	826	expecting_beacon = true;
dudmuck	10:00997daeb0c0	827
dudmuck	0:8f0d0ae0a077	828	Radio.SetRxConfig(
dudmuck	0:8f0d0ae0a077	829	/* RadioModems_t */ MODEM_LORA,
dudmuck	0:8f0d0ae0a077	830	/* uint32_t bandwidth */ BEACON_CHANNEL_BW,
dudmuck	0:8f0d0ae0a077	831	/* uint32_t datarate */ Datarates[BEACON_CHANNEL_DR],
dudmuck	0:8f0d0ae0a077	832	/* uint8_t coderate */ 1,
dudmuck	0:8f0d0ae0a077	833	/* uint32_t bandwidthAfc */ 0,
dudmuck	0:8f0d0ae0a077	834	/* uint16_t preambleLen */ 10,
dudmuck	0:8f0d0ae0a077	835	/* uint16_t symbTimeout */ BeaconCtx.SymbolTimeout,
dudmuck	0:8f0d0ae0a077	836	/* bool fixLen */ true,
dudmuck	0:8f0d0ae0a077	837	/* uint8_t payloadLen */ BEACON_SIZE,
dudmuck	0:8f0d0ae0a077	838	/* bool crcOn */ false,
dudmuck	0:8f0d0ae0a077	839	/* bool freqHopOn */ 0,
dudmuck	0:8f0d0ae0a077	840	/* uint8_t hopPeriod */ 0,
dudmuck	0:8f0d0ae0a077	841	/* bool iqInverted */ false,
dudmuck	0:8f0d0ae0a077	842	/* bool rxContinuous */false
dudmuck	0:8f0d0ae0a077	843	);
dudmuck	0:8f0d0ae0a077	844
dudmuck	0:8f0d0ae0a077	845	Radio.Rx(2000);
dudmuck	0:8f0d0ae0a077	846	}
dudmuck	0:8f0d0ae0a077	847
dudmuck	0:8f0d0ae0a077	848	static void set_beacon_symbol_timeout(float secs)
dudmuck	0:8f0d0ae0a077	849	{
dudmuck	0:8f0d0ae0a077	850	BeaconCtx.SymbolTimeout = secs / BeaconCtx.symbol_period_secs;
dudmuck	0:8f0d0ae0a077	851	if (BeaconCtx.SymbolTimeout < (BEACON_MIN_SYMBOL_TIMEOUT+BeaconCtx.Precess_symbols)) {
dudmuck	8:ab2f9a8d2eaa	852	BeaconCtx.SymbolTimeout = BEACON_MIN_SYMBOL_TIMEOUT+BeaconCtx.Precess_symbols;
dudmuck	0:8f0d0ae0a077	853	}
dudmuck	8:ab2f9a8d2eaa	854	BeaconCtx.SymbolTimeout_sec = BeaconCtx.SymbolTimeout * BeaconCtx.symbol_period_secs;
dudmuck	0:8f0d0ae0a077	855	}
dudmuck	0:8f0d0ae0a077	856
dudmuck	0:8f0d0ae0a077	857	static uint16_t beacon_crc( uint8_t *buffer, uint16_t length )
dudmuck	0:8f0d0ae0a077	858	{
dudmuck	0:8f0d0ae0a077	859	// The CRC calculation follows CCITT
dudmuck	0:8f0d0ae0a077	860	const uint16_t polynom = 0x1021;
dudmuck	0:8f0d0ae0a077	861	// CRC initial value
dudmuck	0:8f0d0ae0a077	862	uint16_t crc = 0x0000;
dudmuck	0:8f0d0ae0a077	863
dudmuck	0:8f0d0ae0a077	864	if( buffer == NULL )
dudmuck	0:8f0d0ae0a077	865	{
dudmuck	0:8f0d0ae0a077	866	return 0;
dudmuck	0:8f0d0ae0a077	867	}
dudmuck	0:8f0d0ae0a077	868
dudmuck	0:8f0d0ae0a077	869	for( uint16_t i = 0; i < length; ++i )
dudmuck	0:8f0d0ae0a077	870	{
dudmuck	0:8f0d0ae0a077	871	crc ^= ( uint16_t ) buffer[i] << 8;
dudmuck	0:8f0d0ae0a077	872	for( uint16_t j = 0; j < 8; ++j )
dudmuck	0:8f0d0ae0a077	873	{
dudmuck	0:8f0d0ae0a077	874	crc = ( crc & 0x8000 ) ? ( crc << 1 ) ^ polynom : ( crc << 1 );
dudmuck	0:8f0d0ae0a077	875	}
dudmuck	0:8f0d0ae0a077	876	}
dudmuck	0:8f0d0ae0a077	877
dudmuck	0:8f0d0ae0a077	878	return crc;
dudmuck	0:8f0d0ae0a077	879	}
dudmuck	0:8f0d0ae0a077	880
dudmuck	0:8f0d0ae0a077	881	/* low power timer needs larger value due to poor resolution */
dudmuck	0:8f0d0ae0a077	882	#define TARGET_PRECESSION_US 3000
dudmuck	0:8f0d0ae0a077	883	#define BEACON_RX_TIMEOUT_LOCKED 0.008
dudmuck	0:8f0d0ae0a077	884
dudmuck	0:8f0d0ae0a077	885	void rx_beacon(unsigned int rx_us, uint8_t* payload, uint16_t size)
dudmuck	0:8f0d0ae0a077	886	{
dudmuck	0:8f0d0ae0a077	887	static bool compensate_precession = false;
dudmuck	0:8f0d0ae0a077	888	int32_t compensation = 0;
dudmuck	0:8f0d0ae0a077	889	unsigned ThisBeaconRx_us = rx_us - (BEACON_TOA_us + BEACON_RXDONE_LATENCY_us);
dudmuck	0:8f0d0ae0a077	890
dudmuck	0:8f0d0ae0a077	891	BeaconCtx.rx_precession_us = ThisBeaconRx_us - BeaconCtx.RxBeaconSetupAt_us;
dudmuck	0:8f0d0ae0a077	892	if (BeaconCtx.state != BEACON_STATE_FIRST_ACQ) {
dudmuck	12:ed33c53afcaf	893	unsigned int us_since_last = ThisBeaconRx_us - BeaconCtx.LastBeaconRx_us;
dudmuck	12:ed33c53afcaf	894	//unsigned int intervals_since_last = (ThisBeaconRx_us / BEACON_INTERVAL_us) - (BeaconCtx.LastBeaconRx_us / BEACON_INTERVAL_us);
dudmuck	12:ed33c53afcaf	895	unsigned int intervals_since_last = us_since_last / BEACON_INTERVAL_us;
dudmuck	13:18de9ee3a461	896	BeaconCtx.known_working_BeaconRxTimerError_us = BeaconCtx.last_BeaconRxTimerError_us;
dudmuck	0:8f0d0ae0a077	897	/* get average of error history */
dudmuck	13:18de9ee3a461	898	BeaconCtx.last_BeaconRxTimerError_us = (ThisBeaconRx_us - BeaconCtx.LastBeaconRx_us) % BEACON_INTERVAL_us;
dudmuck	0:8f0d0ae0a077	899	/* BeaconRxTimerError: positive means our clock is fast
dudmuck	0:8f0d0ae0a077	900	* negative means our clock is slow */
dudmuck	13:18de9ee3a461	901	if (BeaconCtx.last_BeaconRxTimerError_us > (BEACON_INTERVAL_us/2))
dudmuck	13:18de9ee3a461	902	BeaconCtx.last_BeaconRxTimerError_us -= BEACON_INTERVAL_us; // negative value representing slow crystal
dudmuck	0:8f0d0ae0a077	903
dudmuck	0:8f0d0ae0a077	904	if (intervals_since_last > 1) {
dudmuck	0:8f0d0ae0a077	905	/* timer error is measured over more than one beacon period */
dudmuck	13:18de9ee3a461	906	BeaconCtx.last_BeaconRxTimerError_us /= intervals_since_last;
dudmuck	0:8f0d0ae0a077	907	}
dudmuck	0:8f0d0ae0a077	908
dudmuck	0:8f0d0ae0a077	909	if (BeaconCtx.state == BEACON_STATE_ACQ_ERROR) {
dudmuck	1:53c30224eda8	910	isr_printf("-->LOCKED ");
dudmuck	0:8f0d0ae0a077	911	BeaconCtx.state = BEACON_STATE_LOCKED_;
dudmuck	0:8f0d0ae0a077	912	compensate_precession = true;
dudmuck	0:8f0d0ae0a077	913	set_beacon_symbol_timeout(BEACON_RX_TIMEOUT_LOCKED);
dudmuck	0:8f0d0ae0a077	914	}
dudmuck	0:8f0d0ae0a077	915	} else {
dudmuck	0:8f0d0ae0a077	916	/* ignore precession at first acquisition because it has slot resolution added */
dudmuck	1:53c30224eda8	917	isr_printf("-->ACQ_ERROR ");
dudmuck	0:8f0d0ae0a077	918	// next beacon will give us our crystal error
dudmuck	0:8f0d0ae0a077	919	BeaconCtx.state = BEACON_STATE_ACQ_ERROR;
dudmuck	0:8f0d0ae0a077	920	}
dudmuck	0:8f0d0ae0a077	921
dudmuck	13:18de9ee3a461	922	#ifdef DEBUG_GWTX_JUMPER
dudmuck	13:18de9ee3a461	923	isr_printf("rx-before-gwtx:%d ", gwtx_rise_us - BeaconCtx.RxBeaconSetupAt_us);
dudmuck	13:18de9ee3a461	924	#endif /* DEBUG_GWTX_JUMPER */
dudmuck	13:18de9ee3a461	925	isr_printf("err%d=%u-%u ", BeaconCtx.last_BeaconRxTimerError_us, ThisBeaconRx_us, BeaconCtx.LastBeaconRx_us);
dudmuck	1:53c30224eda8	926	isr_printf(" rx-before-tx:%d ", BeaconCtx.rx_precession_us);
dudmuck	0:8f0d0ae0a077	927	BeaconCtx.LastBeaconRx_us = ThisBeaconRx_us;
dudmuck	0:8f0d0ae0a077	928	BeaconCtx.LastBeaconStart_us = BeaconCtx.LastBeaconRx_us;
dudmuck	0:8f0d0ae0a077	929
dudmuck	0:8f0d0ae0a077	930	if (BeaconCtx.state == BEACON_STATE_LOCKED_) {
dudmuck	0:8f0d0ae0a077	931	if (compensate_precession) {
dudmuck	13:18de9ee3a461	932	compensation = BeaconCtx.rx_precession_us - TARGET_PRECESSION_US + BeaconCtx.last_BeaconRxTimerError_us;
dudmuck	1:53c30224eda8	933	isr_printf(" comp%ld", compensation);
dudmuck	0:8f0d0ae0a077	934	}
dudmuck	0:8f0d0ae0a077	935	}
dudmuck	0:8f0d0ae0a077	936
dudmuck	1:53c30224eda8	937	isr_printf("\r\n");
dudmuck	0:8f0d0ae0a077	938
dudmuck	0:8f0d0ae0a077	939	BeaconCtx.next_beacon_expected_us = BEACON_INTERVAL_us + compensation;
dudmuck	0:8f0d0ae0a077	940	unsigned now_us = lp_timer.read_us();
dudmuck	0:8f0d0ae0a077	941	unsigned us_since_rx_setup = now_us - BeaconCtx.RxBeaconSetupAt_us;
dudmuck	0:8f0d0ae0a077	942	BeaconCtx.timeout.attach_us(&OnRxBeaconSetup, BeaconCtx.next_beacon_expected_us - us_since_rx_setup);
dudmuck	0:8f0d0ae0a077	943
dudmuck	0:8f0d0ae0a077	944	if (BeaconCtx.num_missed > 0) {
dudmuck	0:8f0d0ae0a077	945	/* restore rx symbol timeout */
dudmuck	0:8f0d0ae0a077	946	set_beacon_symbol_timeout(BEACON_RX_TIMEOUT_LOCKED);
dudmuck	0:8f0d0ae0a077	947	}
dudmuck	0:8f0d0ae0a077	948
dudmuck	0:8f0d0ae0a077	949	BeaconCtx.num_missed = 0;
dudmuck	0:8f0d0ae0a077	950	BeaconCtx.have_beacon = true;
dudmuck	0:8f0d0ae0a077	951
dudmuck	0:8f0d0ae0a077	952	MlmeIndication.MlmeIndication = MLME_BEACON;
dudmuck	0:8f0d0ae0a077	953	MlmeIndication.Status = LORAMAC_EVENT_INFO_STATUS_BEACON_LOCKED;
dudmuck	0:8f0d0ae0a077	954	LoRaMacPrimitives->MacMlmeIndication( &MlmeIndication );
dudmuck	0:8f0d0ae0a077	955	//LoRaMacFlags.Bits.MlmeInd = 1;
dudmuck	0:8f0d0ae0a077	956
dudmuck	0:8f0d0ae0a077	957	/* check beacon payload */
dudmuck	0:8f0d0ae0a077	958	uint16_t calc_crc = beacon_crc(payload, 4);
dudmuck	0:8f0d0ae0a077	959	uint16_t rx_crc = payload[4];
dudmuck	0:8f0d0ae0a077	960	rx_crc \|= payload[5] << 8;
dudmuck	0:8f0d0ae0a077	961	if (rx_crc == calc_crc) {
dudmuck	0:8f0d0ae0a077	962	unsigned int rx = payload[0];
dudmuck	0:8f0d0ae0a077	963	rx \|= payload[1] << 8;
dudmuck	0:8f0d0ae0a077	964	rx \|= payload[2] << 16;
dudmuck	0:8f0d0ae0a077	965	rx \|= payload[3] << 24;
dudmuck	10:00997daeb0c0	966	if (rx != 0) {
dudmuck	10:00997daeb0c0	967	//isr_printf("beacon payload:%08x\r\n", rx);
dudmuck	10:00997daeb0c0	968	LoRaMacRxPayload[0] = payload[0];
dudmuck	10:00997daeb0c0	969	LoRaMacRxPayload[1] = payload[1];
dudmuck	10:00997daeb0c0	970	LoRaMacRxPayload[2] = payload[2];
dudmuck	10:00997daeb0c0	971	LoRaMacRxPayload[3] = payload[3];
dudmuck	10:00997daeb0c0	972	McpsIndication.McpsIndication = MCPS_MULTICAST;
dudmuck	10:00997daeb0c0	973	McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck	10:00997daeb0c0	974	McpsIndication.Buffer = LoRaMacRxPayload;
dudmuck	10:00997daeb0c0	975	McpsIndication.BufferSize = 4;
dudmuck	10:00997daeb0c0	976	McpsIndication.RxData = true;
dudmuck	10:00997daeb0c0	977	LoRaMacFlags.Bits.McpsInd = 1;
dudmuck	10:00997daeb0c0	978	MacStateCheckTimer.attach_us(&OnMacStateCheckTimerEvent, 50000);
dudmuck	10:00997daeb0c0	979	}
dudmuck	0:8f0d0ae0a077	980	} else
dudmuck	1:53c30224eda8	981	isr_printf("calc_crc:%04x rx_crc:%04x\r\n", calc_crc, rx_crc);
dudmuck	0:8f0d0ae0a077	982	}
dudmuck	0:8f0d0ae0a077	983
dudmuck	0:8f0d0ae0a077	984	float get_symbol_period(uint8_t bw, uint8_t sf)
dudmuck	0:8f0d0ae0a077	985	{
dudmuck	0:8f0d0ae0a077	986	//bw:, // 0=125kHz, 1=250kHz, 2=500KHz
dudmuck	0:8f0d0ae0a077	987	float hz;
dudmuck	0:8f0d0ae0a077	988	switch( bw )
dudmuck	0:8f0d0ae0a077	989	{
dudmuck	0:8f0d0ae0a077	990	//case 0: // 7.8 kHz
dudmuck	0:8f0d0ae0a077	991	// bw = 78e2;
dudmuck	0:8f0d0ae0a077	992	// break;
dudmuck	0:8f0d0ae0a077	993	//case 1: // 10.4 kHz
dudmuck	0:8f0d0ae0a077	994	// bw = 104e2;
dudmuck	0:8f0d0ae0a077	995	// break;
dudmuck	0:8f0d0ae0a077	996	//case 2: // 15.6 kHz
dudmuck	0:8f0d0ae0a077	997	// bw = 156e2;
dudmuck	0:8f0d0ae0a077	998	// break;
dudmuck	0:8f0d0ae0a077	999	//case 3: // 20.8 kHz
dudmuck	0:8f0d0ae0a077	1000	// bw = 208e2;
dudmuck	0:8f0d0ae0a077	1001	// break;
dudmuck	0:8f0d0ae0a077	1002	//case 4: // 31.2 kHz
dudmuck	0:8f0d0ae0a077	1003	// bw = 312e2;
dudmuck	0:8f0d0ae0a077	1004	// break;
dudmuck	0:8f0d0ae0a077	1005	//case 5: // 41.4 kHz
dudmuck	0:8f0d0ae0a077	1006	// bw = 414e2;
dudmuck	0:8f0d0ae0a077	1007	// break;
dudmuck	0:8f0d0ae0a077	1008	//case 6: // 62.5 kHz
dudmuck	0:8f0d0ae0a077	1009	// bw = 625e2;
dudmuck	0:8f0d0ae0a077	1010	// break;
dudmuck	0:8f0d0ae0a077	1011	case 0: // 125 kHz
dudmuck	0:8f0d0ae0a077	1012	hz = 125e3;
dudmuck	0:8f0d0ae0a077	1013	break;
dudmuck	0:8f0d0ae0a077	1014	case 1: // 250 kHz
dudmuck	0:8f0d0ae0a077	1015	hz = 250e3;
dudmuck	0:8f0d0ae0a077	1016	break;
dudmuck	0:8f0d0ae0a077	1017	case 2: // 500 kHz
dudmuck	0:8f0d0ae0a077	1018	hz = 500e3;
dudmuck	0:8f0d0ae0a077	1019	break;
dudmuck	0:8f0d0ae0a077	1020	default:
dudmuck	0:8f0d0ae0a077	1021	return 0;
dudmuck	0:8f0d0ae0a077	1022	}
dudmuck	0:8f0d0ae0a077	1023
dudmuck	0:8f0d0ae0a077	1024	// return symbol period in seconds
dudmuck	0:8f0d0ae0a077	1025	return (1 << sf) / hz;
dudmuck	0:8f0d0ae0a077	1026	}
dudmuck	0:8f0d0ae0a077	1027
dudmuck	0:8f0d0ae0a077	1028	static uint32_t GetRxBandwidth( int8_t datarate )
dudmuck	0:8f0d0ae0a077	1029	{
dudmuck	0:8f0d0ae0a077	1030	return 2; /* always 500KHz */
dudmuck	0:8f0d0ae0a077	1031	}
dudmuck	0:8f0d0ae0a077	1032
dudmuck	0:8f0d0ae0a077	1033	static void OnRadioRxDone(unsigned rx_us, uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
dudmuck	0:8f0d0ae0a077	1034	{
dudmuck	0:8f0d0ae0a077	1035	LoRaMacHeader_t macHdr;
dudmuck	0:8f0d0ae0a077	1036	LoRaMacFrameCtrl_t fCtrl;
dudmuck	0:8f0d0ae0a077	1037	bool skipIndication = false;
dudmuck	0:8f0d0ae0a077	1038
dudmuck	0:8f0d0ae0a077	1039	uint8_t pktHeaderLen = 0;
dudmuck	0:8f0d0ae0a077	1040	uint32_t address = 0;
dudmuck	0:8f0d0ae0a077	1041	uint8_t appPayloadStartIndex = 0;
dudmuck	0:8f0d0ae0a077	1042	uint8_t port = 0xFF;
dudmuck	0:8f0d0ae0a077	1043	uint8_t frameLen = 0;
dudmuck	0:8f0d0ae0a077	1044	uint32_t mic = 0;
dudmuck	0:8f0d0ae0a077	1045	uint32_t micRx = 0;
dudmuck	0:8f0d0ae0a077	1046
dudmuck	0:8f0d0ae0a077	1047	uint16_t sequenceCounter = 0;
dudmuck	0:8f0d0ae0a077	1048	uint16_t sequenceCounterPrev = 0;
dudmuck	0:8f0d0ae0a077	1049	uint16_t sequenceCounterDiff = 0;
dudmuck	0:8f0d0ae0a077	1050	uint32_t downLinkCounter = 0;
dudmuck	0:8f0d0ae0a077	1051
dudmuck	0:8f0d0ae0a077	1052	MulticastParams_t *curMulticastParams = NULL;
dudmuck	0:8f0d0ae0a077	1053	uint8_t *nwkSKey = LoRaMacNwkSKey;
dudmuck	0:8f0d0ae0a077	1054	uint8_t *appSKey = LoRaMacAppSKey;
dudmuck	0:8f0d0ae0a077	1055
dudmuck	0:8f0d0ae0a077	1056	uint8_t multicast = 0;
dudmuck	0:8f0d0ae0a077	1057
dudmuck	0:8f0d0ae0a077	1058	bool isMicOk = false;
dudmuck	0:8f0d0ae0a077	1059
dudmuck	0:8f0d0ae0a077	1060	McpsConfirm.AckReceived = false;
dudmuck	0:8f0d0ae0a077	1061	McpsIndication.Rssi = rssi;
dudmuck	0:8f0d0ae0a077	1062	McpsIndication.Snr = snr;
dudmuck	0:8f0d0ae0a077	1063	McpsIndication.Port = 0;
dudmuck	0:8f0d0ae0a077	1064	McpsIndication.Multicast = 0;
dudmuck	0:8f0d0ae0a077	1065	McpsIndication.FramePending = 0;
dudmuck	0:8f0d0ae0a077	1066	McpsIndication.Buffer = NULL;
dudmuck	0:8f0d0ae0a077	1067	McpsIndication.BufferSize = 0;
dudmuck	0:8f0d0ae0a077	1068	McpsIndication.RxData = false;
dudmuck	0:8f0d0ae0a077	1069	McpsIndication.AckReceived = false;
dudmuck	0:8f0d0ae0a077	1070	McpsIndication.DownLinkCounter = 0;
dudmuck	0:8f0d0ae0a077	1071	McpsIndication.McpsIndication = MCPS_UNCONFIRMED;
dudmuck	0:8f0d0ae0a077	1072
dudmuck	0:8f0d0ae0a077	1073	Radio.Sleep( );
dudmuck	0:8f0d0ae0a077	1074
dudmuck	0:8f0d0ae0a077	1075	if (expecting_beacon) {
dudmuck	0:8f0d0ae0a077	1076	rx_beacon(rx_us, payload, size);
dudmuck	0:8f0d0ae0a077	1077	expecting_beacon = false;
dudmuck	0:8f0d0ae0a077	1078	return;
dudmuck	0:8f0d0ae0a077	1079	}
dudmuck	0:8f0d0ae0a077	1080
dudmuck	0:8f0d0ae0a077	1081	macHdr.Value = payload[pktHeaderLen++];
dudmuck	0:8f0d0ae0a077	1082
dudmuck	0:8f0d0ae0a077	1083	switch( macHdr.Bits.MType )
dudmuck	0:8f0d0ae0a077	1084	{
dudmuck	0:8f0d0ae0a077	1085	case FRAME_TYPE_JOIN_ACCEPT:
dudmuck	0:8f0d0ae0a077	1086	if( IsLoRaMacNetworkJoined == true )
dudmuck	0:8f0d0ae0a077	1087	{
dudmuck	2:f2d9aa163652	1088	McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_JOIN_ACCEPT;
dudmuck	0:8f0d0ae0a077	1089	PrepareRxDoneAbort( );
dudmuck	0:8f0d0ae0a077	1090	return;
dudmuck	0:8f0d0ae0a077	1091	}
dudmuck	0:8f0d0ae0a077	1092	LoRaMacJoinDecrypt( payload + 1, size - 1, LoRaMacAppKey, LoRaMacRxPayload + 1 );
dudmuck	0:8f0d0ae0a077	1093
dudmuck	0:8f0d0ae0a077	1094	LoRaMacRxPayload[0] = macHdr.Value;
dudmuck	0:8f0d0ae0a077	1095
dudmuck	0:8f0d0ae0a077	1096	LoRaMacJoinComputeMic( LoRaMacRxPayload, size - LORAMAC_MFR_LEN, LoRaMacAppKey, &mic );
dudmuck	0:8f0d0ae0a077	1097
dudmuck	0:8f0d0ae0a077	1098	micRx \|= ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN];
dudmuck	0:8f0d0ae0a077	1099	micRx \|= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 1] << 8 );
dudmuck	0:8f0d0ae0a077	1100	micRx \|= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 2] << 16 );
dudmuck	0:8f0d0ae0a077	1101	micRx \|= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 3] << 24 );
dudmuck	0:8f0d0ae0a077	1102
dudmuck	0:8f0d0ae0a077	1103	if( micRx == mic )
dudmuck	0:8f0d0ae0a077	1104	{
dudmuck	0:8f0d0ae0a077	1105	LoRaMacJoinComputeSKeys( LoRaMacAppKey, LoRaMacRxPayload + 1, LoRaMacDevNonce, LoRaMacNwkSKey, LoRaMacAppSKey );
dudmuck	1:53c30224eda8	1106	isr_printf("decr%u:", size);
dudmuck	0:8f0d0ae0a077	1107	for (mic = 0; mic < size; mic++)
dudmuck	1:53c30224eda8	1108	isr_printf("%02x ", LoRaMacRxPayload[mic]);
dudmuck	1:53c30224eda8	1109	isr_printf("\r\n");
dudmuck	0:8f0d0ae0a077	1110
dudmuck	0:8f0d0ae0a077	1111	LoRaMacNetID = ( uint32_t )LoRaMacRxPayload[4];
dudmuck	0:8f0d0ae0a077	1112	LoRaMacNetID \|= ( ( uint32_t )LoRaMacRxPayload[5] << 8 );
dudmuck	0:8f0d0ae0a077	1113	LoRaMacNetID \|= ( ( uint32_t )LoRaMacRxPayload[6] << 16 );
dudmuck	0:8f0d0ae0a077	1114
dudmuck	0:8f0d0ae0a077	1115	LoRaMacDevAddr = ( uint32_t )LoRaMacRxPayload[7];
dudmuck	0:8f0d0ae0a077	1116	LoRaMacDevAddr \|= ( ( uint32_t )LoRaMacRxPayload[8] << 8 );
dudmuck	0:8f0d0ae0a077	1117	LoRaMacDevAddr \|= ( ( uint32_t )LoRaMacRxPayload[9] << 16 );
dudmuck	0:8f0d0ae0a077	1118	LoRaMacDevAddr \|= ( ( uint32_t )LoRaMacRxPayload[10] << 24 );
dudmuck	0:8f0d0ae0a077	1119
dudmuck	0:8f0d0ae0a077	1120	// DLSettings
dudmuck	0:8f0d0ae0a077	1121	LoRaMacParams.Rx1DrOffset = ( LoRaMacRxPayload[11] >> 4 ) & 0x07;
dudmuck	0:8f0d0ae0a077	1122
dudmuck	0:8f0d0ae0a077	1123	LoRaMacParams.ReceiveDelay_us = ( LoRaMacRxPayload[12] & 0x0F );
dudmuck	0:8f0d0ae0a077	1124	if( LoRaMacParams.ReceiveDelay_us == 0 )
dudmuck	0:8f0d0ae0a077	1125	LoRaMacParams.ReceiveDelay_us = RECEIVE_DELAY_us;
dudmuck	0:8f0d0ae0a077	1126	else
dudmuck	0:8f0d0ae0a077	1127	LoRaMacParams.ReceiveDelay_us *= 10;
dudmuck	0:8f0d0ae0a077	1128
dudmuck	0:8f0d0ae0a077	1129	uint16_t beaconTimingDelay = LoRaMacRxPayload[13] & 0xff;
dudmuck	0:8f0d0ae0a077	1130	beaconTimingDelay \|= LoRaMacRxPayload[14] << 8;
dudmuck	0:8f0d0ae0a077	1131
dudmuck	1:53c30224eda8	1132	isr_printf("%lx slots:%x (rxdelay %lu)", LoRaMacDevAddr, beaconTimingDelay, LoRaMacParams.ReceiveDelay_us);
dudmuck	0:8f0d0ae0a077	1133	// how long from tx-done of join-request is beacon going to occur at
dudmuck	0:8f0d0ae0a077	1134	uint32_t us_to_beacon = ( PING_SLOT_RESOLUTION_us * beaconTimingDelay );
dudmuck	0:8f0d0ae0a077	1135	// get time elapsed since last tx-done
dudmuck	0:8f0d0ae0a077	1136	unsigned int now_us = lp_timer.read_us();
dudmuck	0:8f0d0ae0a077	1137	unsigned int us_since_TxDone = now_us - TxDone_us;
dudmuck	0:8f0d0ae0a077	1138	BeaconCtx.timeout.attach_us(&OnRxBeaconSetup, us_to_beacon - us_since_TxDone);
dudmuck	0:8f0d0ae0a077	1139	BeaconCtx.next_beacon_expected_us = now_us + us_to_beacon;
dudmuck	1:53c30224eda8	1140	isr_printf("us_to_beacon:%lu, since_tx_done:%u\r\n", us_to_beacon, us_since_TxDone);
dudmuck	0:8f0d0ae0a077	1141	BeaconCtx.have_beacon = false;
dudmuck	0:8f0d0ae0a077	1142	BeaconCtx.state = BEACON_STATE_FIRST_ACQ;
dudmuck	0:8f0d0ae0a077	1143	BeaconCtx.num_missed = 0;
dudmuck	0:8f0d0ae0a077	1144	BeaconCtx.rx_precession_us = 0;
dudmuck	13:18de9ee3a461	1145	BeaconCtx.last_BeaconRxTimerError_us = -PPM_100_BEACON_INTERVAL;
dudmuck	13:18de9ee3a461	1146	BeaconCtx.known_working_BeaconRxTimerError_us = -PPM_100_BEACON_INTERVAL;
dudmuck	0:8f0d0ae0a077	1147	BeaconCtx.symbol_period_secs = get_symbol_period(GetRxBandwidth(LORAMAC_DEFAULT_DATARATE), Datarates[LORAMAC_DEFAULT_DATARATE]);
dudmuck	0:8f0d0ae0a077	1148	// N-ms: slot resolution + minimum for preamble detector + 100ppm fast crystal rxing 12ms early
dudmuck	0:8f0d0ae0a077	1149	BeaconCtx.Precess_symbols = TARGET_PRECESSION_US * (BeaconCtx.symbol_period_secs);
dudmuck	8:ab2f9a8d2eaa	1150	BeaconCtx.SymbolTimeout_sec = 0.1 + (BEACON_MIN_SYMBOL_TIMEOUT * BeaconCtx.symbol_period_secs);
dudmuck	0:8f0d0ae0a077	1151	BeaconCtx.SymbolTimeout = BeaconCtx.SymbolTimeout_sec / BeaconCtx.symbol_period_secs;
dudmuck	0:8f0d0ae0a077	1152
dudmuck	1:53c30224eda8	1153	isr_printf("sp:%f sto:%d\r\n", BeaconCtx.symbol_period_secs, BeaconCtx.SymbolTimeout);
dudmuck	0:8f0d0ae0a077	1154	BeaconCtx.tx_slot_offset = LoRaMacRxPayload[15];
dudmuck	0:8f0d0ae0a077	1155	BeaconCtx.tx_slot_offset \|= LoRaMacRxPayload[16] << 8;
dudmuck	0:8f0d0ae0a077	1156	BeaconCtx.periodicity_slots = LoRaMacRxPayload[17];
dudmuck	0:8f0d0ae0a077	1157	BeaconCtx.periodicity_slots \|= LoRaMacRxPayload[18] << 8;
dudmuck	1:53c30224eda8	1158	isr_printf("tso:%u, PS:%u\r\n", BeaconCtx.tx_slot_offset, BeaconCtx.periodicity_slots);
dudmuck	0:8f0d0ae0a077	1159
dudmuck	0:8f0d0ae0a077	1160	MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck	0:8f0d0ae0a077	1161	IsLoRaMacNetworkJoined = true;
dudmuck	0:8f0d0ae0a077	1162	LoRaMacParams.ChannelsDatarate_fixed = LoRaMacParamsDefaults.ChannelsDatarate_fixed;
dudmuck	0:8f0d0ae0a077	1163	}
dudmuck	0:8f0d0ae0a077	1164	else
dudmuck	0:8f0d0ae0a077	1165	{
dudmuck	0:8f0d0ae0a077	1166	MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL;
dudmuck	1:53c30224eda8	1167	isr_printf("join-mic-fail\r\n");
dudmuck	0:8f0d0ae0a077	1168	JoinRequestTrials = MaxJoinRequestTrials; // stop trying
dudmuck	0:8f0d0ae0a077	1169	}
dudmuck	0:8f0d0ae0a077	1170	break;
dudmuck	0:8f0d0ae0a077	1171	case FRAME_TYPE_DATA_CONFIRMED_DOWN:
dudmuck	0:8f0d0ae0a077	1172	case FRAME_TYPE_DATA_UNCONFIRMED_DOWN:
dudmuck	0:8f0d0ae0a077	1173	{
dudmuck	0:8f0d0ae0a077	1174	address = payload[pktHeaderLen++];
dudmuck	0:8f0d0ae0a077	1175	address \|= ( (uint32_t)payload[pktHeaderLen++] << 8 );
dudmuck	0:8f0d0ae0a077	1176	address \|= ( (uint32_t)payload[pktHeaderLen++] << 16 );
dudmuck	0:8f0d0ae0a077	1177	address \|= ( (uint32_t)payload[pktHeaderLen++] << 24 );
dudmuck	0:8f0d0ae0a077	1178
dudmuck	0:8f0d0ae0a077	1179	if( address != LoRaMacDevAddr )
dudmuck	0:8f0d0ae0a077	1180	{
dudmuck	0:8f0d0ae0a077	1181	curMulticastParams = MulticastChannels;
dudmuck	0:8f0d0ae0a077	1182	while( curMulticastParams != NULL )
dudmuck	0:8f0d0ae0a077	1183	{
dudmuck	0:8f0d0ae0a077	1184	if( address == curMulticastParams->Address )
dudmuck	0:8f0d0ae0a077	1185	{
dudmuck	0:8f0d0ae0a077	1186	multicast = 1;
dudmuck	0:8f0d0ae0a077	1187	nwkSKey = curMulticastParams->NwkSKey;
dudmuck	0:8f0d0ae0a077	1188	appSKey = curMulticastParams->AppSKey;
dudmuck	0:8f0d0ae0a077	1189	downLinkCounter = curMulticastParams->DownLinkCounter;
dudmuck	0:8f0d0ae0a077	1190	break;
dudmuck	0:8f0d0ae0a077	1191	}
dudmuck	0:8f0d0ae0a077	1192	curMulticastParams = curMulticastParams->Next;
dudmuck	0:8f0d0ae0a077	1193	}
dudmuck	0:8f0d0ae0a077	1194	if( multicast == 0 )
dudmuck	0:8f0d0ae0a077	1195	{
dudmuck	0:8f0d0ae0a077	1196	// We are not the destination of this frame.
dudmuck	0:8f0d0ae0a077	1197	McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL;
dudmuck	0:8f0d0ae0a077	1198	PrepareRxDoneAbort( );
dudmuck	0:8f0d0ae0a077	1199	return;
dudmuck	0:8f0d0ae0a077	1200	}
dudmuck	0:8f0d0ae0a077	1201	}
dudmuck	0:8f0d0ae0a077	1202	else
dudmuck	0:8f0d0ae0a077	1203	{
dudmuck	0:8f0d0ae0a077	1204	multicast = 0;
dudmuck	0:8f0d0ae0a077	1205	nwkSKey = LoRaMacNwkSKey;
dudmuck	0:8f0d0ae0a077	1206	appSKey = LoRaMacAppSKey;
dudmuck	0:8f0d0ae0a077	1207	downLinkCounter = DownLinkCounter;
dudmuck	0:8f0d0ae0a077	1208	}
dudmuck	0:8f0d0ae0a077	1209
dudmuck	0:8f0d0ae0a077	1210	fCtrl.Value = payload[pktHeaderLen++];
dudmuck	0:8f0d0ae0a077	1211
dudmuck	0:8f0d0ae0a077	1212	sequenceCounter = ( uint16_t )payload[pktHeaderLen++];
dudmuck	0:8f0d0ae0a077	1213	sequenceCounter \|= ( uint16_t )payload[pktHeaderLen++] << 8;
dudmuck	0:8f0d0ae0a077	1214
dudmuck	0:8f0d0ae0a077	1215	appPayloadStartIndex = 8 + fCtrl.Bits.FOptsLen;
dudmuck	0:8f0d0ae0a077	1216
dudmuck	0:8f0d0ae0a077	1217	micRx \|= ( uint32_t )payload[size - LORAMAC_MFR_LEN];
dudmuck	0:8f0d0ae0a077	1218	micRx \|= ( ( uint32_t )payload[size - LORAMAC_MFR_LEN + 1] << 8 );
dudmuck	0:8f0d0ae0a077	1219	micRx \|= ( ( uint32_t )payload[size - LORAMAC_MFR_LEN + 2] << 16 );
dudmuck	0:8f0d0ae0a077	1220	micRx \|= ( ( uint32_t )payload[size - LORAMAC_MFR_LEN + 3] << 24 );
dudmuck	0:8f0d0ae0a077	1221
dudmuck	0:8f0d0ae0a077	1222	sequenceCounterPrev = ( uint16_t )downLinkCounter;
dudmuck	0:8f0d0ae0a077	1223	sequenceCounterDiff = ( sequenceCounter - sequenceCounterPrev );
dudmuck	0:8f0d0ae0a077	1224
dudmuck	0:8f0d0ae0a077	1225	if( sequenceCounterDiff < ( 1 << 15 ) )
dudmuck	0:8f0d0ae0a077	1226	{
dudmuck	0:8f0d0ae0a077	1227	downLinkCounter += sequenceCounterDiff;
dudmuck	0:8f0d0ae0a077	1228	LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic );
dudmuck	0:8f0d0ae0a077	1229	if( micRx == mic )
dudmuck	0:8f0d0ae0a077	1230	{
dudmuck	0:8f0d0ae0a077	1231	isMicOk = true;
dudmuck	0:8f0d0ae0a077	1232	}
dudmuck	0:8f0d0ae0a077	1233	}
dudmuck	0:8f0d0ae0a077	1234	else
dudmuck	0:8f0d0ae0a077	1235	{
dudmuck	0:8f0d0ae0a077	1236	// check for sequence roll-over
dudmuck	0:8f0d0ae0a077	1237	uint32_t downLinkCounterTmp = downLinkCounter + 0x10000 + ( int16_t )sequenceCounterDiff;
dudmuck	0:8f0d0ae0a077	1238	LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounterTmp, &mic );
dudmuck	0:8f0d0ae0a077	1239	if( micRx == mic )
dudmuck	0:8f0d0ae0a077	1240	{
dudmuck	0:8f0d0ae0a077	1241	isMicOk = true;
dudmuck	0:8f0d0ae0a077	1242	downLinkCounter = downLinkCounterTmp;
dudmuck	0:8f0d0ae0a077	1243	}
dudmuck	0:8f0d0ae0a077	1244	}
dudmuck	0:8f0d0ae0a077	1245
dudmuck	0:8f0d0ae0a077	1246	// Check for a the maximum allowed counter difference
dudmuck	0:8f0d0ae0a077	1247	if( sequenceCounterDiff >= MAX_FCNT_GAP )
dudmuck	0:8f0d0ae0a077	1248	{
dudmuck	0:8f0d0ae0a077	1249	McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_DOWNLINK_TOO_MANY_FRAMES_LOSS;
dudmuck	0:8f0d0ae0a077	1250	McpsIndication.DownLinkCounter = downLinkCounter;
dudmuck	0:8f0d0ae0a077	1251	PrepareRxDoneAbort( );
dudmuck	0:8f0d0ae0a077	1252	return;
dudmuck	0:8f0d0ae0a077	1253	}
dudmuck	0:8f0d0ae0a077	1254
dudmuck	0:8f0d0ae0a077	1255	if( isMicOk == true )
dudmuck	0:8f0d0ae0a077	1256	{
dudmuck	0:8f0d0ae0a077	1257	McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck	0:8f0d0ae0a077	1258	McpsIndication.Multicast = multicast;
dudmuck	0:8f0d0ae0a077	1259	McpsIndication.FramePending = fCtrl.Bits.FPending;
dudmuck	0:8f0d0ae0a077	1260	McpsIndication.Buffer = NULL;
dudmuck	0:8f0d0ae0a077	1261	McpsIndication.BufferSize = 0;
dudmuck	0:8f0d0ae0a077	1262	McpsIndication.DownLinkCounter = downLinkCounter;
dudmuck	0:8f0d0ae0a077	1263
dudmuck	0:8f0d0ae0a077	1264	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck	0:8f0d0ae0a077	1265
dudmuck	0:8f0d0ae0a077	1266	MacCommandsBufferToRepeatIndex = 0;
dudmuck	0:8f0d0ae0a077	1267
dudmuck	0:8f0d0ae0a077	1268	// Update 32 bits downlink counter
dudmuck	0:8f0d0ae0a077	1269	if( multicast == 1 )
dudmuck	0:8f0d0ae0a077	1270	{
dudmuck	0:8f0d0ae0a077	1271	McpsIndication.McpsIndication = MCPS_MULTICAST;
dudmuck	0:8f0d0ae0a077	1272
dudmuck	0:8f0d0ae0a077	1273	if( ( curMulticastParams->DownLinkCounter == downLinkCounter ) &&
dudmuck	0:8f0d0ae0a077	1274	( curMulticastParams->DownLinkCounter != 0 ) )
dudmuck	0:8f0d0ae0a077	1275	{
dudmuck	0:8f0d0ae0a077	1276	McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_DOWNLINK_REPEATED;
dudmuck	0:8f0d0ae0a077	1277	McpsIndication.DownLinkCounter = downLinkCounter;
dudmuck	0:8f0d0ae0a077	1278	PrepareRxDoneAbort( );
dudmuck	0:8f0d0ae0a077	1279	return;
dudmuck	0:8f0d0ae0a077	1280	}
dudmuck	0:8f0d0ae0a077	1281	curMulticastParams->DownLinkCounter = downLinkCounter;
dudmuck	0:8f0d0ae0a077	1282	}
dudmuck	0:8f0d0ae0a077	1283	else
dudmuck	0:8f0d0ae0a077	1284	{
dudmuck	0:8f0d0ae0a077	1285	if( macHdr.Bits.MType == FRAME_TYPE_DATA_CONFIRMED_DOWN )
dudmuck	0:8f0d0ae0a077	1286	{
dudmuck	0:8f0d0ae0a077	1287	SrvAckRequested = true;
dudmuck	0:8f0d0ae0a077	1288	McpsIndication.McpsIndication = MCPS_CONFIRMED;
dudmuck	0:8f0d0ae0a077	1289
dudmuck	0:8f0d0ae0a077	1290	if( ( DownLinkCounter == downLinkCounter ) &&
dudmuck	0:8f0d0ae0a077	1291	( DownLinkCounter != 0 ) )
dudmuck	0:8f0d0ae0a077	1292	{
dudmuck	0:8f0d0ae0a077	1293	// Duplicated confirmed downlink. Skip indication.
dudmuck	0:8f0d0ae0a077	1294	// In this case, the MAC layer shall accept the MAC commands
dudmuck	0:8f0d0ae0a077	1295	// which are included in the downlink retransmission.
dudmuck	0:8f0d0ae0a077	1296	// It should not provide the same frame to the application
dudmuck	0:8f0d0ae0a077	1297	// layer again.
dudmuck	0:8f0d0ae0a077	1298	skipIndication = true;
dudmuck	0:8f0d0ae0a077	1299	}
dudmuck	0:8f0d0ae0a077	1300	}
dudmuck	0:8f0d0ae0a077	1301	else
dudmuck	0:8f0d0ae0a077	1302	{
dudmuck	0:8f0d0ae0a077	1303	SrvAckRequested = false;
dudmuck	0:8f0d0ae0a077	1304	McpsIndication.McpsIndication = MCPS_UNCONFIRMED;
dudmuck	0:8f0d0ae0a077	1305
dudmuck	0:8f0d0ae0a077	1306	if( ( DownLinkCounter == downLinkCounter ) &&
dudmuck	0:8f0d0ae0a077	1307	( DownLinkCounter != 0 ) )
dudmuck	0:8f0d0ae0a077	1308	{
dudmuck	0:8f0d0ae0a077	1309	McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_DOWNLINK_REPEATED;
dudmuck	0:8f0d0ae0a077	1310	McpsIndication.DownLinkCounter = downLinkCounter;
dudmuck	0:8f0d0ae0a077	1311	PrepareRxDoneAbort( );
dudmuck	0:8f0d0ae0a077	1312	return;
dudmuck	0:8f0d0ae0a077	1313	}
dudmuck	0:8f0d0ae0a077	1314	}
dudmuck	0:8f0d0ae0a077	1315	DownLinkCounter = downLinkCounter;
dudmuck	0:8f0d0ae0a077	1316	}
dudmuck	0:8f0d0ae0a077	1317
dudmuck	0:8f0d0ae0a077	1318	// This must be done before parsing the payload and the MAC commands.
dudmuck	0:8f0d0ae0a077	1319	// We need to reset the MacCommandsBufferIndex here, since we need
dudmuck	0:8f0d0ae0a077	1320	// to take retransmissions and repititions into account. Error cases
dudmuck	0:8f0d0ae0a077	1321	// will be handled in function OnMacStateCheckTimerEvent.
dudmuck	0:8f0d0ae0a077	1322	if( McpsConfirm.McpsRequest == MCPS_CONFIRMED )
dudmuck	0:8f0d0ae0a077	1323	{
dudmuck	0:8f0d0ae0a077	1324	if( fCtrl.Bits.Ack == 1 )
dudmuck	0:8f0d0ae0a077	1325	{// Reset MacCommandsBufferIndex when we have received an ACK.
dudmuck	0:8f0d0ae0a077	1326	MacCommandsBufferIndex = 0;
dudmuck	0:8f0d0ae0a077	1327	}
dudmuck	0:8f0d0ae0a077	1328	}
dudmuck	0:8f0d0ae0a077	1329	else
dudmuck	0:8f0d0ae0a077	1330	{// Reset the variable if we have received any valid frame.
dudmuck	0:8f0d0ae0a077	1331	MacCommandsBufferIndex = 0;
dudmuck	0:8f0d0ae0a077	1332	}
dudmuck	0:8f0d0ae0a077	1333
dudmuck	0:8f0d0ae0a077	1334	// Process payload and MAC commands
dudmuck	0:8f0d0ae0a077	1335	if( ( ( size - 4 ) - appPayloadStartIndex ) > 0 )
dudmuck	0:8f0d0ae0a077	1336	{
dudmuck	0:8f0d0ae0a077	1337	port = payload[appPayloadStartIndex++];
dudmuck	0:8f0d0ae0a077	1338	frameLen = ( size - 4 ) - appPayloadStartIndex;
dudmuck	0:8f0d0ae0a077	1339
dudmuck	0:8f0d0ae0a077	1340	McpsIndication.Port = port;
dudmuck	0:8f0d0ae0a077	1341
dudmuck	0:8f0d0ae0a077	1342	if( port == 0 )
dudmuck	0:8f0d0ae0a077	1343	{
dudmuck	0:8f0d0ae0a077	1344	// Only allow frames which do not have fOpts
dudmuck	0:8f0d0ae0a077	1345	if( fCtrl.Bits.FOptsLen == 0 )
dudmuck	0:8f0d0ae0a077	1346	{
dudmuck	0:8f0d0ae0a077	1347	LoRaMacPayloadDecrypt( payload + appPayloadStartIndex,
dudmuck	0:8f0d0ae0a077	1348	frameLen,
dudmuck	0:8f0d0ae0a077	1349	nwkSKey,
dudmuck	0:8f0d0ae0a077	1350	address,
dudmuck	0:8f0d0ae0a077	1351	DOWN_LINK,
dudmuck	0:8f0d0ae0a077	1352	downLinkCounter,
dudmuck	0:8f0d0ae0a077	1353	LoRaMacRxPayload );
dudmuck	0:8f0d0ae0a077	1354
dudmuck	0:8f0d0ae0a077	1355	// Decode frame payload MAC commands
dudmuck	0:8f0d0ae0a077	1356	ProcessMacCommands( LoRaMacRxPayload, 0, frameLen, snr );
dudmuck	0:8f0d0ae0a077	1357	}
dudmuck	0:8f0d0ae0a077	1358	else
dudmuck	0:8f0d0ae0a077	1359	{
dudmuck	0:8f0d0ae0a077	1360	skipIndication = true;
dudmuck	0:8f0d0ae0a077	1361	}
dudmuck	0:8f0d0ae0a077	1362	}
dudmuck	0:8f0d0ae0a077	1363	else
dudmuck	0:8f0d0ae0a077	1364	{
dudmuck	0:8f0d0ae0a077	1365	if( fCtrl.Bits.FOptsLen > 0 )
dudmuck	0:8f0d0ae0a077	1366	{
dudmuck	0:8f0d0ae0a077	1367	// Decode Options field MAC commands. Omit the fPort.
dudmuck	0:8f0d0ae0a077	1368	ProcessMacCommands( payload, 8, appPayloadStartIndex - 1, snr );
dudmuck	0:8f0d0ae0a077	1369	}
dudmuck	0:8f0d0ae0a077	1370
dudmuck	0:8f0d0ae0a077	1371	LoRaMacPayloadDecrypt( payload + appPayloadStartIndex,
dudmuck	0:8f0d0ae0a077	1372	frameLen,
dudmuck	0:8f0d0ae0a077	1373	appSKey,
dudmuck	0:8f0d0ae0a077	1374	address,
dudmuck	0:8f0d0ae0a077	1375	DOWN_LINK,
dudmuck	0:8f0d0ae0a077	1376	downLinkCounter,
dudmuck	0:8f0d0ae0a077	1377	LoRaMacRxPayload );
dudmuck	0:8f0d0ae0a077	1378
dudmuck	0:8f0d0ae0a077	1379	if( skipIndication == false )
dudmuck	0:8f0d0ae0a077	1380	{
dudmuck	0:8f0d0ae0a077	1381	McpsIndication.Buffer = LoRaMacRxPayload;
dudmuck	0:8f0d0ae0a077	1382	McpsIndication.BufferSize = frameLen;
dudmuck	0:8f0d0ae0a077	1383	McpsIndication.RxData = true;
dudmuck	0:8f0d0ae0a077	1384	}
dudmuck	0:8f0d0ae0a077	1385	}
dudmuck	0:8f0d0ae0a077	1386	}
dudmuck	0:8f0d0ae0a077	1387	else
dudmuck	0:8f0d0ae0a077	1388	{
dudmuck	0:8f0d0ae0a077	1389	if( fCtrl.Bits.FOptsLen > 0 )
dudmuck	0:8f0d0ae0a077	1390	{
dudmuck	0:8f0d0ae0a077	1391	// Decode Options field MAC commands
dudmuck	0:8f0d0ae0a077	1392	ProcessMacCommands( payload, 8, appPayloadStartIndex, snr );
dudmuck	0:8f0d0ae0a077	1393	}
dudmuck	0:8f0d0ae0a077	1394	}
dudmuck	0:8f0d0ae0a077	1395
dudmuck	0:8f0d0ae0a077	1396	if( skipIndication == false )
dudmuck	0:8f0d0ae0a077	1397	{
dudmuck	0:8f0d0ae0a077	1398	// Check if the frame is an acknowledgement
dudmuck	0:8f0d0ae0a077	1399	if( fCtrl.Bits.Ack == 1 )
dudmuck	0:8f0d0ae0a077	1400	{
dudmuck	0:8f0d0ae0a077	1401	McpsConfirm.AckReceived = true;
dudmuck	0:8f0d0ae0a077	1402	McpsIndication.AckReceived = true;
dudmuck	0:8f0d0ae0a077	1403
dudmuck	0:8f0d0ae0a077	1404	// Stop the AckTimeout timer as no more retransmissions
dudmuck	0:8f0d0ae0a077	1405	// are needed.
dudmuck	0:8f0d0ae0a077	1406	}
dudmuck	0:8f0d0ae0a077	1407	else
dudmuck	0:8f0d0ae0a077	1408	{
dudmuck	0:8f0d0ae0a077	1409	McpsConfirm.AckReceived = false;
dudmuck	0:8f0d0ae0a077	1410	}
dudmuck	0:8f0d0ae0a077	1411	}
dudmuck	0:8f0d0ae0a077	1412	// Provide always an indication, skip the callback to the user application,
dudmuck	0:8f0d0ae0a077	1413	// in case of a confirmed downlink retransmission.
dudmuck	0:8f0d0ae0a077	1414	LoRaMacFlags.Bits.McpsInd = 1;
dudmuck	0:8f0d0ae0a077	1415	LoRaMacFlags.Bits.McpsIndSkip = skipIndication;
dudmuck	0:8f0d0ae0a077	1416	}
dudmuck	0:8f0d0ae0a077	1417	else
dudmuck	0:8f0d0ae0a077	1418	{
dudmuck	0:8f0d0ae0a077	1419	McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_MIC_FAIL;
dudmuck	5:c108560af4c3	1420	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_MIC_FAIL;
dudmuck	0:8f0d0ae0a077	1421	PrepareRxDoneAbort( );
dudmuck	0:8f0d0ae0a077	1422	return;
dudmuck	0:8f0d0ae0a077	1423	}
dudmuck	0:8f0d0ae0a077	1424	}
dudmuck	0:8f0d0ae0a077	1425	break;
dudmuck	0:8f0d0ae0a077	1426	case FRAME_TYPE_PROPRIETARY:
dudmuck	0:8f0d0ae0a077	1427	{
dudmuck	0:8f0d0ae0a077	1428	memcpy1( LoRaMacRxPayload, &payload[pktHeaderLen], size );
dudmuck	0:8f0d0ae0a077	1429
dudmuck	0:8f0d0ae0a077	1430	McpsIndication.McpsIndication = MCPS_PROPRIETARY;
dudmuck	0:8f0d0ae0a077	1431	McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck	0:8f0d0ae0a077	1432	McpsIndication.Buffer = LoRaMacRxPayload;
dudmuck	0:8f0d0ae0a077	1433	McpsIndication.BufferSize = size - pktHeaderLen;
dudmuck	0:8f0d0ae0a077	1434
dudmuck	0:8f0d0ae0a077	1435	LoRaMacFlags.Bits.McpsInd = 1;
dudmuck	0:8f0d0ae0a077	1436	break;
dudmuck	0:8f0d0ae0a077	1437	}
dudmuck	0:8f0d0ae0a077	1438	default:
dudmuck	2:f2d9aa163652	1439	McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_RX_MTYPE;
dudmuck	5:c108560af4c3	1440	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_RX_MTYPE;
dudmuck	0:8f0d0ae0a077	1441	PrepareRxDoneAbort( );
dudmuck	0:8f0d0ae0a077	1442	break;
dudmuck	0:8f0d0ae0a077	1443	}
dudmuck	0:8f0d0ae0a077	1444	LoRaMacFlags.Bits.MacDone = 1;
dudmuck	0:8f0d0ae0a077	1445
dudmuck	1:53c30224eda8	1446	/* run mac check quickly, but not immedately (for isr_printf) */
dudmuck	1:53c30224eda8	1447	MacStateCheckTimer.attach_us(&OnMacStateCheckTimerEvent, 50000);
dudmuck	1:53c30224eda8	1448	} // ..OnRadioRxDone();
dudmuck	0:8f0d0ae0a077	1449
dudmuck	0:8f0d0ae0a077	1450	static void OnRadioTxTimeout( void )
dudmuck	0:8f0d0ae0a077	1451	{
dudmuck	0:8f0d0ae0a077	1452	Radio.Sleep( );
dudmuck	0:8f0d0ae0a077	1453
dudmuck	0:8f0d0ae0a077	1454	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT;
dudmuck	0:8f0d0ae0a077	1455	MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT;
dudmuck	0:8f0d0ae0a077	1456	LoRaMacFlags.Bits.MacDone = 1;
dudmuck	0:8f0d0ae0a077	1457	}
dudmuck	0:8f0d0ae0a077	1458
dudmuck	0:8f0d0ae0a077	1459	static void OnRadioRxError( void )
dudmuck	0:8f0d0ae0a077	1460	{
dudmuck	0:8f0d0ae0a077	1461	Radio.Sleep( );
dudmuck	0:8f0d0ae0a077	1462
dudmuck	0:8f0d0ae0a077	1463	if( NodeAckRequested == true )
dudmuck	0:8f0d0ae0a077	1464	{
dudmuck	0:8f0d0ae0a077	1465	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_ERROR;
dudmuck	0:8f0d0ae0a077	1466	}
dudmuck	0:8f0d0ae0a077	1467	MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_ERROR;
dudmuck	0:8f0d0ae0a077	1468
dudmuck	0:8f0d0ae0a077	1469	if ((lp_timer.read_us() - AggregatedLastTxDoneTime_us) >= RxWindowDelay_us )
dudmuck	0:8f0d0ae0a077	1470	{
dudmuck	0:8f0d0ae0a077	1471	LoRaMacFlags.Bits.MacDone = 1;
dudmuck	0:8f0d0ae0a077	1472	}
dudmuck	0:8f0d0ae0a077	1473	}
dudmuck	0:8f0d0ae0a077	1474
dudmuck	0:8f0d0ae0a077	1475	static void OnRadioRxTimeout( void )
dudmuck	0:8f0d0ae0a077	1476	{
dudmuck	0:8f0d0ae0a077	1477	Radio.Sleep( );
dudmuck	0:8f0d0ae0a077	1478
dudmuck	0:8f0d0ae0a077	1479	if (expecting_beacon) {
dudmuck	0:8f0d0ae0a077	1480	/* generate simulated last beacon start */
dudmuck	13:18de9ee3a461	1481	BeaconCtx.LastBeaconStart_us += BEACON_INTERVAL_us + BeaconCtx.known_working_BeaconRxTimerError_us;
dudmuck	0:8f0d0ae0a077	1482
dudmuck	0:8f0d0ae0a077	1483	BeaconCtx.next_beacon_expected_us = BEACON_INTERVAL_us;
dudmuck	0:8f0d0ae0a077	1484	BeaconCtx.num_missed++;
dudmuck	0:8f0d0ae0a077	1485	unsigned now_us = lp_timer.read_us();
dudmuck	0:8f0d0ae0a077	1486	if (BeaconCtx.state == BEACON_STATE_FIRST_ACQ) {
dudmuck	0:8f0d0ae0a077	1487	BeaconCtx.next_beacon_expected_us -= 1000000;
dudmuck	14:7ac0add1123e	1488	set_beacon_symbol_timeout(2.000);
dudmuck	0:8f0d0ae0a077	1489	} else {
dudmuck	13:18de9ee3a461	1490	BeaconCtx.next_beacon_expected_us += BeaconCtx.known_working_BeaconRxTimerError_us;
dudmuck	0:8f0d0ae0a077	1491	// for measurement resolution and temperature drift while missing beacons:
dudmuck	13:18de9ee3a461	1492	BeaconCtx.next_beacon_expected_us -= 5000;
dudmuck	13:18de9ee3a461	1493	set_beacon_symbol_timeout(BeaconCtx.SymbolTimeout_sec + 0.010);
dudmuck	0:8f0d0ae0a077	1494	}
dudmuck	0:8f0d0ae0a077	1495	unsigned us_since_rx_setup = now_us - BeaconCtx.RxBeaconSetupAt_us;
dudmuck	0:8f0d0ae0a077	1496	BeaconCtx.timeout.attach_us(&OnRxBeaconSetup, BeaconCtx.next_beacon_expected_us - us_since_rx_setup);
dudmuck	13:18de9ee3a461	1497
dudmuck	13:18de9ee3a461	1498	#ifdef DEBUG_GWTX_JUMPER
dudmuck	13:18de9ee3a461	1499	isr_printf("rx-before-gwtx:%d ", gwtx_rise_us - BeaconCtx.RxBeaconSetupAt_us);
dudmuck	13:18de9ee3a461	1500	#endif /* DEBUG_GWTX_JUMPER */
dudmuck	13:18de9ee3a461	1501	isr_printf("beacon-rx-timeout %u %u next in %uus (rxing for %u)\r\n", BeaconCtx.num_missed, BeaconCtx.SymbolTimeout, BeaconCtx.next_beacon_expected_us, us_since_rx_setup);
dudmuck	0:8f0d0ae0a077	1502
dudmuck	0:8f0d0ae0a077	1503	MlmeIndication.MlmeIndication = MLME_BEACON;
dudmuck	0:8f0d0ae0a077	1504	MlmeIndication.Status = LORAMAC_EVENT_INFO_STATUS_BEACON_LOST;
dudmuck	0:8f0d0ae0a077	1505	LoRaMacPrimitives->MacMlmeIndication( &MlmeIndication );
dudmuck	0:8f0d0ae0a077	1506	//LoRaMacFlags.Bits.MlmeInd = 1;
dudmuck	0:8f0d0ae0a077	1507
dudmuck	0:8f0d0ae0a077	1508	expecting_beacon = false;
dudmuck	0:8f0d0ae0a077	1509	}
dudmuck	0:8f0d0ae0a077	1510
dudmuck	0:8f0d0ae0a077	1511	if( NodeAckRequested == true )
dudmuck	0:8f0d0ae0a077	1512	{
dudmuck	0:8f0d0ae0a077	1513	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT;
dudmuck	0:8f0d0ae0a077	1514	}
dudmuck	0:8f0d0ae0a077	1515	MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT;
dudmuck	0:8f0d0ae0a077	1516	LoRaMacFlags.Bits.MacDone = 1;
dudmuck	0:8f0d0ae0a077	1517
dudmuck	1:53c30224eda8	1518	/* run mac check quickly, but not immedately (for isr_printf) */
dudmuck	7:e238827f0e47	1519	MacStateCheckTimer.attach_us(&OnMacStateCheckTimerEvent, 50000 + randr(0, 50000));
dudmuck	1:53c30224eda8	1520	} // ..OnRadioRxTimeout();
dudmuck	0:8f0d0ae0a077	1521
dudmuck	0:8f0d0ae0a077	1522	static void OnMacStateCheckTimerEvent( void )
dudmuck	0:8f0d0ae0a077	1523	{
dudmuck	0:8f0d0ae0a077	1524	bool txTimeout = false;
dudmuck	0:8f0d0ae0a077	1525
dudmuck	0:8f0d0ae0a077	1526	if( LoRaMacFlags.Bits.MacDone == 1 )
dudmuck	0:8f0d0ae0a077	1527	{
dudmuck	0:8f0d0ae0a077	1528	if( ( LoRaMacState & LORAMAC_RX_ABORT ) == LORAMAC_RX_ABORT )
dudmuck	0:8f0d0ae0a077	1529	{
dudmuck	0:8f0d0ae0a077	1530	LoRaMacState &= ~LORAMAC_RX_ABORT;
dudmuck	0:8f0d0ae0a077	1531	LoRaMacState &= ~LORAMAC_TX_RUNNING;
dudmuck	0:8f0d0ae0a077	1532	}
dudmuck	0:8f0d0ae0a077	1533
dudmuck	0:8f0d0ae0a077	1534	if( ( LoRaMacFlags.Bits.MlmeReq == 1 ) \|\| ( ( LoRaMacFlags.Bits.McpsReq == 1 ) ) )
dudmuck	0:8f0d0ae0a077	1535	{
dudmuck	0:8f0d0ae0a077	1536	if( ( McpsConfirm.Status == LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT ) \|\|
dudmuck	0:8f0d0ae0a077	1537	( MlmeConfirm.Status == LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT ) )
dudmuck	0:8f0d0ae0a077	1538	{
dudmuck	0:8f0d0ae0a077	1539	// Stop transmit cycle due to tx timeout.
dudmuck	0:8f0d0ae0a077	1540	LoRaMacState &= ~LORAMAC_TX_RUNNING;
dudmuck	0:8f0d0ae0a077	1541	MacCommandsBufferIndex = 0;
dudmuck	0:8f0d0ae0a077	1542	McpsConfirm.AckReceived = false;
dudmuck	0:8f0d0ae0a077	1543	McpsConfirm.TxTimeOnAir = 0;
dudmuck	0:8f0d0ae0a077	1544	txTimeout = true;
dudmuck	0:8f0d0ae0a077	1545	}
dudmuck	0:8f0d0ae0a077	1546	}
dudmuck	0:8f0d0ae0a077	1547
dudmuck	0:8f0d0ae0a077	1548	if( ( NodeAckRequested == false ) && ( txTimeout == false ) )
dudmuck	0:8f0d0ae0a077	1549	{
dudmuck	0:8f0d0ae0a077	1550	if( ( LoRaMacFlags.Bits.MlmeReq == 1 ) \|\| ( ( LoRaMacFlags.Bits.McpsReq == 1 ) ) )
dudmuck	0:8f0d0ae0a077	1551	{
dudmuck	0:8f0d0ae0a077	1552	if( ( LoRaMacFlags.Bits.MlmeReq == 1 ) && ( MlmeConfirm.MlmeRequest == MLME_JOIN ) )
dudmuck	0:8f0d0ae0a077	1553	{ // Procedure for the join request
dudmuck	0:8f0d0ae0a077	1554
dudmuck	0:8f0d0ae0a077	1555	if( MlmeConfirm.Status == LORAMAC_EVENT_INFO_STATUS_OK )
dudmuck	0:8f0d0ae0a077	1556	{ // Node joined successfully
dudmuck	1:53c30224eda8	1557	isr_printf("mac-check-join ok ");
dudmuck	0:8f0d0ae0a077	1558	UpLinkCounter = 0;
dudmuck	0:8f0d0ae0a077	1559	ChannelsNbRepCounter = 0;
dudmuck	0:8f0d0ae0a077	1560	LoRaMacState &= ~LORAMAC_TX_RUNNING;
dudmuck	0:8f0d0ae0a077	1561	}
dudmuck	0:8f0d0ae0a077	1562	else
dudmuck	0:8f0d0ae0a077	1563	{
dudmuck	1:53c30224eda8	1564	isr_printf("jrt:%u, maxjrt:%u\r\n", JoinRequestTrials, MaxJoinRequestTrials);
dudmuck	0:8f0d0ae0a077	1565	if( JoinRequestTrials >= MaxJoinRequestTrials )
dudmuck	0:8f0d0ae0a077	1566	{
dudmuck	0:8f0d0ae0a077	1567	LoRaMacState &= ~LORAMAC_TX_RUNNING;
dudmuck	1:53c30224eda8	1568	isr_printf("tx-run-D\r\n");
dudmuck	0:8f0d0ae0a077	1569	}
dudmuck	0:8f0d0ae0a077	1570	else
dudmuck	0:8f0d0ae0a077	1571	{
dudmuck	0:8f0d0ae0a077	1572	LoRaMacFlags.Bits.MacDone = 0;
dudmuck	0:8f0d0ae0a077	1573	// Sends the same frame again
dudmuck	0:8f0d0ae0a077	1574	OnTxDelayedTimerEvent( );
dudmuck	0:8f0d0ae0a077	1575	}
dudmuck	0:8f0d0ae0a077	1576	}
dudmuck	0:8f0d0ae0a077	1577	}
dudmuck	0:8f0d0ae0a077	1578	} // ..if( ( LoRaMacFlags.Bits.MlmeReq == 1 ) \|\| ( ( LoRaMacFlags.Bits.McpsReq == 1 ) ) )
dudmuck	0:8f0d0ae0a077	1579	} // ..if( ( NodeAckRequested == false ) && ( txTimeout == false ) )
dudmuck	0:8f0d0ae0a077	1580
dudmuck	0:8f0d0ae0a077	1581	if( LoRaMacFlags.Bits.McpsInd == 1 )
dudmuck	0:8f0d0ae0a077	1582	{// Procedure if we received a frame
dudmuck	0:8f0d0ae0a077	1583	if( ( McpsConfirm.AckReceived == true ) /\|\| ( AckTimeoutRetriesCounter > AckTimeoutRetries )/ )
dudmuck	0:8f0d0ae0a077	1584	{
dudmuck	0:8f0d0ae0a077	1585	NodeAckRequested = false;
dudmuck	0:8f0d0ae0a077	1586	if( IsUpLinkCounterFixed == false )
dudmuck	0:8f0d0ae0a077	1587	{
dudmuck	0:8f0d0ae0a077	1588	UpLinkCounter++;
dudmuck	0:8f0d0ae0a077	1589	}
dudmuck	0:8f0d0ae0a077	1590
dudmuck	0:8f0d0ae0a077	1591	LoRaMacState &= ~LORAMAC_TX_RUNNING;
dudmuck	0:8f0d0ae0a077	1592	}
dudmuck	0:8f0d0ae0a077	1593	}
dudmuck	0:8f0d0ae0a077	1594
dudmuck	0:8f0d0ae0a077	1595	} // ...if( LoRaMacFlags.Bits.MacDone == 1 )
dudmuck	0:8f0d0ae0a077	1596
dudmuck	0:8f0d0ae0a077	1597	// Handle reception for Class B and Class C
dudmuck	0:8f0d0ae0a077	1598	if( ( LoRaMacState & LORAMAC_RX ) == LORAMAC_RX )
dudmuck	0:8f0d0ae0a077	1599	{
dudmuck	0:8f0d0ae0a077	1600	LoRaMacState &= ~LORAMAC_RX;
dudmuck	0:8f0d0ae0a077	1601	}
dudmuck	0:8f0d0ae0a077	1602	if( LoRaMacState == LORAMAC_IDLE )
dudmuck	0:8f0d0ae0a077	1603	{
dudmuck	0:8f0d0ae0a077	1604	if( LoRaMacFlags.Bits.McpsReq == 1 )
dudmuck	0:8f0d0ae0a077	1605	{
dudmuck	0:8f0d0ae0a077	1606	LoRaMacPrimitives->MacMcpsConfirm( &McpsConfirm );
dudmuck	0:8f0d0ae0a077	1607	LoRaMacFlags.Bits.McpsReq = 0;
dudmuck	0:8f0d0ae0a077	1608	}
dudmuck	0:8f0d0ae0a077	1609
dudmuck	0:8f0d0ae0a077	1610	if( LoRaMacFlags.Bits.MlmeReq == 1 )
dudmuck	0:8f0d0ae0a077	1611	{
dudmuck	0:8f0d0ae0a077	1612	LoRaMacPrimitives->MacMlmeConfirm( &MlmeConfirm );
dudmuck	0:8f0d0ae0a077	1613	LoRaMacFlags.Bits.MlmeReq = 0;
dudmuck	0:8f0d0ae0a077	1614	}
dudmuck	0:8f0d0ae0a077	1615
dudmuck	0:8f0d0ae0a077	1616	if( LoRaMacFlags.Bits.MlmeInd == 1 )
dudmuck	0:8f0d0ae0a077	1617	{
dudmuck	0:8f0d0ae0a077	1618	LoRaMacPrimitives->MacMlmeIndication( &MlmeIndication );
dudmuck	0:8f0d0ae0a077	1619	LoRaMacFlags.Bits.MlmeInd = 0;
dudmuck	0:8f0d0ae0a077	1620	}
dudmuck	0:8f0d0ae0a077	1621
dudmuck	0:8f0d0ae0a077	1622	// Procedure done. Reset variables.
dudmuck	0:8f0d0ae0a077	1623	LoRaMacFlags.Bits.MacDone = 0;
dudmuck	0:8f0d0ae0a077	1624	}
dudmuck	0:8f0d0ae0a077	1625	else
dudmuck	0:8f0d0ae0a077	1626	{
dudmuck	0:8f0d0ae0a077	1627	// Operation not finished restart timer
dudmuck	0:8f0d0ae0a077	1628	MacStateCheckTimer.attach_us(&OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT_us);
dudmuck	0:8f0d0ae0a077	1629	}
dudmuck	0:8f0d0ae0a077	1630
dudmuck	0:8f0d0ae0a077	1631	if( LoRaMacFlags.Bits.McpsInd == 1 )
dudmuck	0:8f0d0ae0a077	1632	{
dudmuck	0:8f0d0ae0a077	1633	if( LoRaMacFlags.Bits.McpsIndSkip == 0 )
dudmuck	0:8f0d0ae0a077	1634	{
dudmuck	0:8f0d0ae0a077	1635	LoRaMacPrimitives->MacMcpsIndication( &McpsIndication );
dudmuck	0:8f0d0ae0a077	1636	}
dudmuck	0:8f0d0ae0a077	1637	LoRaMacFlags.Bits.McpsIndSkip = 0;
dudmuck	0:8f0d0ae0a077	1638	LoRaMacFlags.Bits.McpsInd = 0;
dudmuck	0:8f0d0ae0a077	1639	}
dudmuck	0:8f0d0ae0a077	1640	} // ..OnMacStateCheckTimerEvent( void )
dudmuck	0:8f0d0ae0a077	1641
dudmuck	0:8f0d0ae0a077	1642	static void OnTxDelayedTimerEvent( void )
dudmuck	0:8f0d0ae0a077	1643	{
dudmuck	0:8f0d0ae0a077	1644	LoRaMacHeader_t macHdr;
dudmuck	0:8f0d0ae0a077	1645	LoRaMacFrameCtrl_t fCtrl;
dudmuck	0:8f0d0ae0a077	1646
dudmuck	0:8f0d0ae0a077	1647	LoRaMacState &= ~LORAMAC_TX_DELAYED;
dudmuck	0:8f0d0ae0a077	1648
dudmuck	0:8f0d0ae0a077	1649	if( ( LoRaMacFlags.Bits.MlmeReq == 1 ) && ( MlmeConfirm.MlmeRequest == MLME_JOIN ) )
dudmuck	0:8f0d0ae0a077	1650	{
dudmuck	0:8f0d0ae0a077	1651	ResetMacParameters( );
dudmuck	0:8f0d0ae0a077	1652	if (++Channel == LORA_MAX_NB_CHANNELS)
dudmuck	0:8f0d0ae0a077	1653	Channel = 0;
dudmuck	1:53c30224eda8	1654	isr_printf("<ch%u>", Channel);
dudmuck	1:53c30224eda8	1655	isr_printf("tx-delayed join ch%u\r\n", Channel);
dudmuck	0:8f0d0ae0a077	1656
dudmuck	0:8f0d0ae0a077	1657	macHdr.Value = 0;
dudmuck	0:8f0d0ae0a077	1658	macHdr.Bits.MType = FRAME_TYPE_JOIN_REQ;
dudmuck	0:8f0d0ae0a077	1659
dudmuck	0:8f0d0ae0a077	1660	fCtrl.Value = 0;
dudmuck	0:8f0d0ae0a077	1661	fCtrl.Bits.Adr = 0;
dudmuck	0:8f0d0ae0a077	1662
dudmuck	0:8f0d0ae0a077	1663	/* In case of join request retransmissions, the stack must prepare
dudmuck	0:8f0d0ae0a077	1664	* the frame again, because the network server keeps track of the random
dudmuck	0:8f0d0ae0a077	1665	* LoRaMacDevNonce values to prevent reply attacks. */
dudmuck	0:8f0d0ae0a077	1666	PrepareFrame( &macHdr, &fCtrl, 0, NULL, 0 );
dudmuck	0:8f0d0ae0a077	1667	}
dudmuck	0:8f0d0ae0a077	1668
dudmuck	0:8f0d0ae0a077	1669	ScheduleTx( );
dudmuck	0:8f0d0ae0a077	1670	}
dudmuck	0:8f0d0ae0a077	1671
dudmuck	0:8f0d0ae0a077	1672	static void OnRxWindowTimerEvent( void )
dudmuck	0:8f0d0ae0a077	1673	{
dudmuck	0:8f0d0ae0a077	1674	Radio.Standby( );
dudmuck	8:ab2f9a8d2eaa	1675	if (expecting_beacon) {
dudmuck	8:ab2f9a8d2eaa	1676	isr_printf("rxwin-during-beacon\r\n");
dudmuck	8:ab2f9a8d2eaa	1677	/* TODO: report failure */
dudmuck	8:ab2f9a8d2eaa	1678	} else {
dudmuck	8:ab2f9a8d2eaa	1679	RxWindowSetup( LORAMAC_FIRST_CHANNEL + ( Channel * LORAMAC_STEPWIDTH_CHANNEL), RxWindowsParam.Datarate, RxWindowsParam.Bandwidth, RxWindowsParam.RxWindowTimeout, false );
dudmuck	8:ab2f9a8d2eaa	1680	}
dudmuck	0:8f0d0ae0a077	1681
dudmuck	0:8f0d0ae0a077	1682	/* no retrying TX in this class of operation */
dudmuck	0:8f0d0ae0a077	1683	LoRaMacState &= ~LORAMAC_TX_RUNNING;
dudmuck	0:8f0d0ae0a077	1684	}
dudmuck	0:8f0d0ae0a077	1685
dudmuck	0:8f0d0ae0a077	1686	static void OnAckTimeoutTimerEvent( void )
dudmuck	0:8f0d0ae0a077	1687	{
dudmuck	0:8f0d0ae0a077	1688	if( NodeAckRequested == true )
dudmuck	0:8f0d0ae0a077	1689	{
dudmuck	0:8f0d0ae0a077	1690	LoRaMacState &= ~LORAMAC_ACK_REQ;
dudmuck	0:8f0d0ae0a077	1691	}
dudmuck	0:8f0d0ae0a077	1692	}
dudmuck	0:8f0d0ae0a077	1693
dudmuck	0:8f0d0ae0a077	1694	static bool RxWindowSetup( uint32_t freq, int8_t datarate, uint32_t bandwidth, uint16_t timeout, bool rxContinuous )
dudmuck	0:8f0d0ae0a077	1695	{
dudmuck	0:8f0d0ae0a077	1696	uint8_t downlinkDatarate = Datarates[datarate];
dudmuck	0:8f0d0ae0a077	1697	RadioModems_t modem;
dudmuck	0:8f0d0ae0a077	1698
dudmuck	0:8f0d0ae0a077	1699	if( Radio.GetStatus( ) == RF_IDLE )
dudmuck	0:8f0d0ae0a077	1700	{
dudmuck	0:8f0d0ae0a077	1701	Radio.SetChannel( freq );
dudmuck	0:8f0d0ae0a077	1702
dudmuck	0:8f0d0ae0a077	1703	// Store downlink datarate
dudmuck	0:8f0d0ae0a077	1704	McpsIndication.RxDatarate = ( uint8_t ) datarate;
dudmuck	0:8f0d0ae0a077	1705
dudmuck	0:8f0d0ae0a077	1706	modem = MODEM_LORA;
dudmuck	0:8f0d0ae0a077	1707	Radio.SetRxConfig( modem, bandwidth, downlinkDatarate, 1, 0, 8, timeout, false, 0, false, 0, 0, true, rxContinuous );
dudmuck	0:8f0d0ae0a077	1708	Radio.SetMaxPayloadLength( MODEM_LORA, 255 );
dudmuck	0:8f0d0ae0a077	1709
dudmuck	0:8f0d0ae0a077	1710	if( rxContinuous == false )
dudmuck	0:8f0d0ae0a077	1711	{
dudmuck	0:8f0d0ae0a077	1712	Radio.Rx( LoRaMacParams.MaxRxWindow );
dudmuck	0:8f0d0ae0a077	1713	}
dudmuck	0:8f0d0ae0a077	1714	else
dudmuck	0:8f0d0ae0a077	1715	{
dudmuck	0:8f0d0ae0a077	1716	Radio.Rx( 0 ); // Continuous mode
dudmuck	0:8f0d0ae0a077	1717	}
dudmuck	0:8f0d0ae0a077	1718	return true;
dudmuck	0:8f0d0ae0a077	1719	}
dudmuck	0:8f0d0ae0a077	1720	return false;
dudmuck	0:8f0d0ae0a077	1721	}
dudmuck	0:8f0d0ae0a077	1722
dudmuck	0:8f0d0ae0a077	1723	static bool ValueInRange( int8_t value, int8_t min, int8_t max )
dudmuck	0:8f0d0ae0a077	1724	{
dudmuck	0:8f0d0ae0a077	1725	if( ( value >= min ) && ( value <= max ) )
dudmuck	0:8f0d0ae0a077	1726	{
dudmuck	0:8f0d0ae0a077	1727	return true;
dudmuck	0:8f0d0ae0a077	1728	}
dudmuck	0:8f0d0ae0a077	1729	return false;
dudmuck	0:8f0d0ae0a077	1730	}
dudmuck	0:8f0d0ae0a077	1731
dudmuck	0:8f0d0ae0a077	1732	static LoRaMacStatus_t AddMacCommand( uint8_t cmd, uint8_t p1, uint8_t p2 )
dudmuck	0:8f0d0ae0a077	1733	{
dudmuck	0:8f0d0ae0a077	1734	LoRaMacStatus_t status = LORAMAC_STATUS_BUSY;
dudmuck	0:8f0d0ae0a077	1735	// The maximum buffer length must take MAC commands to re-send into account.
dudmuck	0:8f0d0ae0a077	1736	uint8_t bufLen = LORA_MAC_COMMAND_MAX_LENGTH - MacCommandsBufferToRepeatIndex;
dudmuck	0:8f0d0ae0a077	1737
dudmuck	0:8f0d0ae0a077	1738	switch( cmd )
dudmuck	0:8f0d0ae0a077	1739	{
dudmuck	0:8f0d0ae0a077	1740	case MOTE_MAC_LINK_CHECK_REQ:
dudmuck	0:8f0d0ae0a077	1741	if( MacCommandsBufferIndex < bufLen )
dudmuck	0:8f0d0ae0a077	1742	{
dudmuck	0:8f0d0ae0a077	1743	MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
dudmuck	0:8f0d0ae0a077	1744	// No payload for this command
dudmuck	0:8f0d0ae0a077	1745	status = LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	1746	}
dudmuck	0:8f0d0ae0a077	1747	break;
dudmuck	0:8f0d0ae0a077	1748	case MOTE_MAC_RX_PARAM_SETUP_ANS:
dudmuck	0:8f0d0ae0a077	1749	if( MacCommandsBufferIndex < ( bufLen - 1 ) )
dudmuck	0:8f0d0ae0a077	1750	{
dudmuck	0:8f0d0ae0a077	1751	MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
dudmuck	0:8f0d0ae0a077	1752	// Status: Datarate ACK, Channel ACK
dudmuck	0:8f0d0ae0a077	1753	MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
dudmuck	0:8f0d0ae0a077	1754	status = LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	1755	}
dudmuck	0:8f0d0ae0a077	1756	break;
dudmuck	0:8f0d0ae0a077	1757	case MOTE_MAC_DEV_STATUS_ANS:
dudmuck	0:8f0d0ae0a077	1758	if( MacCommandsBufferIndex < ( bufLen - 2 ) )
dudmuck	0:8f0d0ae0a077	1759	{
dudmuck	0:8f0d0ae0a077	1760	MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
dudmuck	0:8f0d0ae0a077	1761	// 1st byte Battery
dudmuck	0:8f0d0ae0a077	1762	// 2nd byte Margin
dudmuck	0:8f0d0ae0a077	1763	MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
dudmuck	0:8f0d0ae0a077	1764	MacCommandsBuffer[MacCommandsBufferIndex++] = p2;
dudmuck	0:8f0d0ae0a077	1765	status = LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	1766	}
dudmuck	0:8f0d0ae0a077	1767	break;
dudmuck	0:8f0d0ae0a077	1768	case MOTE_MAC_RX_TIMING_SETUP_ANS:
dudmuck	0:8f0d0ae0a077	1769	if( MacCommandsBufferIndex < bufLen )
dudmuck	0:8f0d0ae0a077	1770	{
dudmuck	0:8f0d0ae0a077	1771	MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
dudmuck	0:8f0d0ae0a077	1772	// No payload for this answer
dudmuck	0:8f0d0ae0a077	1773	status = LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	1774	}
dudmuck	0:8f0d0ae0a077	1775	break;
dudmuck	0:8f0d0ae0a077	1776	default:
dudmuck	0:8f0d0ae0a077	1777	return LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck	0:8f0d0ae0a077	1778	}
dudmuck	0:8f0d0ae0a077	1779	if( status == LORAMAC_STATUS_OK )
dudmuck	0:8f0d0ae0a077	1780	{
dudmuck	0:8f0d0ae0a077	1781	MacCommandsInNextTx = true;
dudmuck	0:8f0d0ae0a077	1782	}
dudmuck	0:8f0d0ae0a077	1783	return status;
dudmuck	0:8f0d0ae0a077	1784	}
dudmuck	0:8f0d0ae0a077	1785
dudmuck	0:8f0d0ae0a077	1786	static uint8_t ParseMacCommandsToRepeat( uint8_t* cmdBufIn, uint8_t length, uint8_t* cmdBufOut )
dudmuck	0:8f0d0ae0a077	1787	{
dudmuck	0:8f0d0ae0a077	1788	uint8_t i = 0;
dudmuck	0:8f0d0ae0a077	1789	uint8_t cmdCount = 0;
dudmuck	0:8f0d0ae0a077	1790
dudmuck	0:8f0d0ae0a077	1791	if( ( cmdBufIn == NULL ) \|\| ( cmdBufOut == NULL ) )
dudmuck	0:8f0d0ae0a077	1792	{
dudmuck	0:8f0d0ae0a077	1793	return 0;
dudmuck	0:8f0d0ae0a077	1794	}
dudmuck	0:8f0d0ae0a077	1795
dudmuck	0:8f0d0ae0a077	1796	for( i = 0; i < length; i++ )
dudmuck	0:8f0d0ae0a077	1797	{
dudmuck	0:8f0d0ae0a077	1798	switch( cmdBufIn[i] )
dudmuck	0:8f0d0ae0a077	1799	{
dudmuck	0:8f0d0ae0a077	1800	// STICKY
dudmuck	0:8f0d0ae0a077	1801	case MOTE_MAC_RX_PARAM_SETUP_ANS:
dudmuck	0:8f0d0ae0a077	1802	{
dudmuck	0:8f0d0ae0a077	1803	cmdBufOut[cmdCount++] = cmdBufIn[i++];
dudmuck	0:8f0d0ae0a077	1804	cmdBufOut[cmdCount++] = cmdBufIn[i];
dudmuck	0:8f0d0ae0a077	1805	break;
dudmuck	0:8f0d0ae0a077	1806	}
dudmuck	0:8f0d0ae0a077	1807	case MOTE_MAC_RX_TIMING_SETUP_ANS:
dudmuck	0:8f0d0ae0a077	1808	{
dudmuck	0:8f0d0ae0a077	1809	cmdBufOut[cmdCount++] = cmdBufIn[i];
dudmuck	0:8f0d0ae0a077	1810	break;
dudmuck	0:8f0d0ae0a077	1811	}
dudmuck	0:8f0d0ae0a077	1812	// NON-STICKY
dudmuck	0:8f0d0ae0a077	1813	case MOTE_MAC_DEV_STATUS_ANS:
dudmuck	0:8f0d0ae0a077	1814	{ // 2 bytes payload
dudmuck	0:8f0d0ae0a077	1815	i += 2;
dudmuck	0:8f0d0ae0a077	1816	break;
dudmuck	0:8f0d0ae0a077	1817	}
dudmuck	0:8f0d0ae0a077	1818	case MOTE_MAC_LINK_CHECK_REQ:
dudmuck	0:8f0d0ae0a077	1819	{ // 0 byte payload
dudmuck	0:8f0d0ae0a077	1820	break;
dudmuck	0:8f0d0ae0a077	1821	}
dudmuck	0:8f0d0ae0a077	1822	default:
dudmuck	0:8f0d0ae0a077	1823	break;
dudmuck	0:8f0d0ae0a077	1824	}
dudmuck	0:8f0d0ae0a077	1825	}
dudmuck	0:8f0d0ae0a077	1826
dudmuck	0:8f0d0ae0a077	1827	return cmdCount;
dudmuck	0:8f0d0ae0a077	1828	}
dudmuck	0:8f0d0ae0a077	1829
dudmuck	0:8f0d0ae0a077	1830	static void ProcessMacCommands( uint8_t *payload, uint8_t macIndex, uint8_t commandsSize, uint8_t snr )
dudmuck	0:8f0d0ae0a077	1831	{
dudmuck	0:8f0d0ae0a077	1832	while( macIndex < commandsSize )
dudmuck	0:8f0d0ae0a077	1833	{
dudmuck	0:8f0d0ae0a077	1834	// Decode Frame MAC commands
dudmuck	0:8f0d0ae0a077	1835	switch( payload[macIndex++] )
dudmuck	0:8f0d0ae0a077	1836	{
dudmuck	0:8f0d0ae0a077	1837	case SRV_MAC_LINK_CHECK_ANS:
dudmuck	0:8f0d0ae0a077	1838	MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck	0:8f0d0ae0a077	1839	MlmeConfirm.DemodMargin = payload[macIndex++];
dudmuck	0:8f0d0ae0a077	1840	MlmeConfirm.NbGateways = payload[macIndex++];
dudmuck	0:8f0d0ae0a077	1841	break;
dudmuck	0:8f0d0ae0a077	1842	case SRV_MAC_DEV_STATUS_REQ:
dudmuck	0:8f0d0ae0a077	1843	{
dudmuck	0:8f0d0ae0a077	1844	uint8_t batteryLevel = BAT_LEVEL_NO_MEASURE;
dudmuck	0:8f0d0ae0a077	1845	if( ( LoRaMacCallbacks != NULL ) && ( LoRaMacCallbacks->GetBatteryLevel != NULL ) )
dudmuck	0:8f0d0ae0a077	1846	{
dudmuck	0:8f0d0ae0a077	1847	batteryLevel = LoRaMacCallbacks->GetBatteryLevel( );
dudmuck	0:8f0d0ae0a077	1848	}
dudmuck	0:8f0d0ae0a077	1849	AddMacCommand( MOTE_MAC_DEV_STATUS_ANS, batteryLevel, snr );
dudmuck	0:8f0d0ae0a077	1850	break;
dudmuck	0:8f0d0ae0a077	1851	}
dudmuck	0:8f0d0ae0a077	1852	case SRV_MAC_RX_TIMING_SETUP_REQ:
dudmuck	0:8f0d0ae0a077	1853	{
dudmuck	0:8f0d0ae0a077	1854	uint8_t delay = payload[macIndex++] & 0x0F;
dudmuck	0:8f0d0ae0a077	1855
dudmuck	0:8f0d0ae0a077	1856	if( delay == 0 )
dudmuck	0:8f0d0ae0a077	1857	{
dudmuck	0:8f0d0ae0a077	1858	delay++;
dudmuck	0:8f0d0ae0a077	1859	}
dudmuck	0:8f0d0ae0a077	1860	LoRaMacParams.ReceiveDelay_us = delay * 1e6;
dudmuck	0:8f0d0ae0a077	1861	AddMacCommand( MOTE_MAC_RX_TIMING_SETUP_ANS, 0, 0 );
dudmuck	0:8f0d0ae0a077	1862	}
dudmuck	0:8f0d0ae0a077	1863	break;
dudmuck	0:8f0d0ae0a077	1864	default:
dudmuck	0:8f0d0ae0a077	1865	// Unknown command. ABORT MAC commands processing
dudmuck	0:8f0d0ae0a077	1866	return;
dudmuck	0:8f0d0ae0a077	1867	}
dudmuck	0:8f0d0ae0a077	1868	}
dudmuck	0:8f0d0ae0a077	1869	}
dudmuck	0:8f0d0ae0a077	1870
dudmuck	0:8f0d0ae0a077	1871	LoRaMacStatus_t Send( LoRaMacHeader_t macHdr, uint8_t fPort, void fBuffer, uint16_t fBufferSize )
dudmuck	0:8f0d0ae0a077	1872	{
dudmuck	0:8f0d0ae0a077	1873	LoRaMacFrameCtrl_t fCtrl;
dudmuck	0:8f0d0ae0a077	1874	LoRaMacStatus_t status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	1875
dudmuck	0:8f0d0ae0a077	1876	fCtrl.Value = 0;
dudmuck	0:8f0d0ae0a077	1877	fCtrl.Bits.FOptsLen = 0;
dudmuck	0:8f0d0ae0a077	1878	fCtrl.Bits.FPending = 0;
dudmuck	0:8f0d0ae0a077	1879	fCtrl.Bits.Ack = false;
dudmuck	0:8f0d0ae0a077	1880	fCtrl.Bits.AdrAckReq = false;
dudmuck	0:8f0d0ae0a077	1881	fCtrl.Bits.Adr = false;
dudmuck	0:8f0d0ae0a077	1882
dudmuck	0:8f0d0ae0a077	1883	// Prepare the frame
dudmuck	0:8f0d0ae0a077	1884	status = PrepareFrame( macHdr, &fCtrl, fPort, fBuffer, fBufferSize );
dudmuck	0:8f0d0ae0a077	1885
dudmuck	0:8f0d0ae0a077	1886	// Validate status
dudmuck	0:8f0d0ae0a077	1887	if( status != LORAMAC_STATUS_OK )
dudmuck	0:8f0d0ae0a077	1888	{
dudmuck	0:8f0d0ae0a077	1889	return status;
dudmuck	0:8f0d0ae0a077	1890	}
dudmuck	0:8f0d0ae0a077	1891
dudmuck	0:8f0d0ae0a077	1892	// Reset confirm parameters
dudmuck	0:8f0d0ae0a077	1893	McpsConfirm.AckReceived = false;
dudmuck	0:8f0d0ae0a077	1894	McpsConfirm.UpLinkCounter = UpLinkCounter;
dudmuck	0:8f0d0ae0a077	1895
dudmuck	0:8f0d0ae0a077	1896	status = ScheduleTx( );
dudmuck	0:8f0d0ae0a077	1897
dudmuck	0:8f0d0ae0a077	1898	return status;
dudmuck	0:8f0d0ae0a077	1899	}
dudmuck	0:8f0d0ae0a077	1900
dudmuck	0:8f0d0ae0a077	1901	static LoRaMacStatus_t ScheduleTx( void )
dudmuck	0:8f0d0ae0a077	1902	{
dudmuck	0:8f0d0ae0a077	1903	// Compute Rx1 windows parameters
dudmuck	0:8f0d0ae0a077	1904	if( IsLoRaMacNetworkJoined == false )
dudmuck	0:8f0d0ae0a077	1905	{
dudmuck	0:8f0d0ae0a077	1906	RxWindowDelay_us = LoRaMacParams.JoinAcceptDelay_us + RxWindowsParam.RxOffset; // dont care
dudmuck	0:8f0d0ae0a077	1907	}
dudmuck	0:8f0d0ae0a077	1908	else
dudmuck	0:8f0d0ae0a077	1909	{
dudmuck	0:8f0d0ae0a077	1910	RxWindowDelay_us = LoRaMacParams.ReceiveDelay_us + RxWindowsParam.RxOffset;
dudmuck	0:8f0d0ae0a077	1911	}
dudmuck	0:8f0d0ae0a077	1912
dudmuck	0:8f0d0ae0a077	1913	// Schedule transmission of frame
dudmuck	0:8f0d0ae0a077	1914
dudmuck	0:8f0d0ae0a077	1915	// Try to send now
dudmuck	0:8f0d0ae0a077	1916	return SendFrameOnChannel( Channels[Channel] );
dudmuck	0:8f0d0ae0a077	1917	}
dudmuck	0:8f0d0ae0a077	1918
dudmuck	0:8f0d0ae0a077	1919	static void ResetMacParameters( void )
dudmuck	0:8f0d0ae0a077	1920	{
dudmuck	0:8f0d0ae0a077	1921	IsLoRaMacNetworkJoined = false;
dudmuck	0:8f0d0ae0a077	1922
dudmuck	0:8f0d0ae0a077	1923	// Counters
dudmuck	0:8f0d0ae0a077	1924	UpLinkCounter = 0;
dudmuck	0:8f0d0ae0a077	1925	DownLinkCounter = 0;
dudmuck	0:8f0d0ae0a077	1926
dudmuck	0:8f0d0ae0a077	1927	ChannelsNbRepCounter = 0;
dudmuck	0:8f0d0ae0a077	1928
dudmuck	0:8f0d0ae0a077	1929	MacCommandsBufferIndex = 0;
dudmuck	0:8f0d0ae0a077	1930	MacCommandsBufferToRepeatIndex = 0;
dudmuck	0:8f0d0ae0a077	1931
dudmuck	0:8f0d0ae0a077	1932	IsRxWindowsEnabled = true;
dudmuck	0:8f0d0ae0a077	1933
dudmuck	0:8f0d0ae0a077	1934	LoRaMacParams.ChannelsTxPower = LoRaMacParamsDefaults.ChannelsTxPower;
dudmuck	0:8f0d0ae0a077	1935	LoRaMacParams.ChannelsDatarate_fixed = LoRaMacParamsDefaults.ChannelsDatarate_fixed;
dudmuck	0:8f0d0ae0a077	1936
dudmuck	0:8f0d0ae0a077	1937	LoRaMacParams.Rx1DrOffset = LoRaMacParamsDefaults.Rx1DrOffset;
dudmuck	0:8f0d0ae0a077	1938
dudmuck	0:8f0d0ae0a077	1939	NodeAckRequested = false;
dudmuck	0:8f0d0ae0a077	1940	SrvAckRequested = false;
dudmuck	0:8f0d0ae0a077	1941	MacCommandsInNextTx = false;
dudmuck	0:8f0d0ae0a077	1942
dudmuck	0:8f0d0ae0a077	1943	// Reset Multicast downlink counters
dudmuck	0:8f0d0ae0a077	1944	MulticastParams_t *cur = MulticastChannels;
dudmuck	0:8f0d0ae0a077	1945	while( cur != NULL )
dudmuck	0:8f0d0ae0a077	1946	{
dudmuck	0:8f0d0ae0a077	1947	cur->DownLinkCounter = 0;
dudmuck	0:8f0d0ae0a077	1948	cur = cur->Next;
dudmuck	0:8f0d0ae0a077	1949	}
dudmuck	0:8f0d0ae0a077	1950
dudmuck	0:8f0d0ae0a077	1951	}
dudmuck	0:8f0d0ae0a077	1952
dudmuck	0:8f0d0ae0a077	1953	LoRaMacStatus_t PrepareFrame( LoRaMacHeader_t macHdr, LoRaMacFrameCtrl_t fCtrl, uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
dudmuck	0:8f0d0ae0a077	1954	{
dudmuck	0:8f0d0ae0a077	1955	uint16_t i;
dudmuck	0:8f0d0ae0a077	1956	uint8_t pktHeaderLen = 0;
dudmuck	0:8f0d0ae0a077	1957	uint32_t mic = 0;
dudmuck	0:8f0d0ae0a077	1958	const void* payload = fBuffer;
dudmuck	0:8f0d0ae0a077	1959	uint8_t framePort = fPort;
dudmuck	0:8f0d0ae0a077	1960
dudmuck	0:8f0d0ae0a077	1961	LoRaMacBufferPktLen = 0;
dudmuck	0:8f0d0ae0a077	1962
dudmuck	0:8f0d0ae0a077	1963	NodeAckRequested = false;
dudmuck	0:8f0d0ae0a077	1964
dudmuck	0:8f0d0ae0a077	1965	if( fBuffer == NULL )
dudmuck	0:8f0d0ae0a077	1966	{
dudmuck	0:8f0d0ae0a077	1967	fBufferSize = 0;
dudmuck	0:8f0d0ae0a077	1968	}
dudmuck	0:8f0d0ae0a077	1969
dudmuck	0:8f0d0ae0a077	1970	LoRaMacTxPayloadLen = fBufferSize;
dudmuck	0:8f0d0ae0a077	1971
dudmuck	0:8f0d0ae0a077	1972	LoRaMacBuffer[pktHeaderLen++] = macHdr->Value;
dudmuck	0:8f0d0ae0a077	1973
dudmuck	0:8f0d0ae0a077	1974	switch( macHdr->Bits.MType )
dudmuck	0:8f0d0ae0a077	1975	{
dudmuck	0:8f0d0ae0a077	1976	case FRAME_TYPE_JOIN_REQ:
dudmuck	0:8f0d0ae0a077	1977	LoRaMacBufferPktLen = pktHeaderLen;
dudmuck	0:8f0d0ae0a077	1978
dudmuck	0:8f0d0ae0a077	1979	memcpyr( LoRaMacBuffer + LoRaMacBufferPktLen, LoRaMacAppEui, 8 );
dudmuck	0:8f0d0ae0a077	1980	LoRaMacBufferPktLen += 8;
dudmuck	0:8f0d0ae0a077	1981	memcpyr( LoRaMacBuffer + LoRaMacBufferPktLen, LoRaMacDevEui, 8 );
dudmuck	0:8f0d0ae0a077	1982	LoRaMacBufferPktLen += 8;
dudmuck	0:8f0d0ae0a077	1983
dudmuck	0:8f0d0ae0a077	1984	LoRaMacDevNonce = Radio.Random( );
dudmuck	0:8f0d0ae0a077	1985
dudmuck	0:8f0d0ae0a077	1986	LoRaMacBuffer[LoRaMacBufferPktLen++] = LoRaMacDevNonce & 0xFF;
dudmuck	0:8f0d0ae0a077	1987	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( LoRaMacDevNonce >> 8 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	1988
dudmuck	0:8f0d0ae0a077	1989	LoRaMacJoinComputeMic( LoRaMacBuffer, LoRaMacBufferPktLen & 0xFF, LoRaMacAppKey, &mic );
dudmuck	0:8f0d0ae0a077	1990
dudmuck	0:8f0d0ae0a077	1991	LoRaMacBuffer[LoRaMacBufferPktLen++] = mic & 0xFF;
dudmuck	0:8f0d0ae0a077	1992	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 8 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	1993	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 16 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	1994	LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 24 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	1995
dudmuck	0:8f0d0ae0a077	1996	break;
dudmuck	0:8f0d0ae0a077	1997	case FRAME_TYPE_DATA_CONFIRMED_UP:
dudmuck	0:8f0d0ae0a077	1998	NodeAckRequested = true;
dudmuck	0:8f0d0ae0a077	1999	//Intentional fallthrough
dudmuck	0:8f0d0ae0a077	2000	case FRAME_TYPE_DATA_UNCONFIRMED_UP:
dudmuck	0:8f0d0ae0a077	2001	if( IsLoRaMacNetworkJoined == false )
dudmuck	0:8f0d0ae0a077	2002	{
dudmuck	0:8f0d0ae0a077	2003	return LORAMAC_STATUS_NO_NETWORK_JOINED; // No network has been joined yet
dudmuck	0:8f0d0ae0a077	2004	}
dudmuck	0:8f0d0ae0a077	2005
dudmuck	0:8f0d0ae0a077	2006	fCtrl->Bits.AdrAckReq = 0;
dudmuck	0:8f0d0ae0a077	2007
dudmuck	0:8f0d0ae0a077	2008	if( SrvAckRequested == true )
dudmuck	0:8f0d0ae0a077	2009	{
dudmuck	0:8f0d0ae0a077	2010	SrvAckRequested = false;
dudmuck	0:8f0d0ae0a077	2011	fCtrl->Bits.Ack = 1;
dudmuck	0:8f0d0ae0a077	2012	}
dudmuck	0:8f0d0ae0a077	2013
dudmuck	0:8f0d0ae0a077	2014	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr ) & 0xFF;
dudmuck	0:8f0d0ae0a077	2015	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 8 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	2016	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 16 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	2017	LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 24 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	2018
dudmuck	0:8f0d0ae0a077	2019	LoRaMacBuffer[pktHeaderLen++] = fCtrl->Value;
dudmuck	0:8f0d0ae0a077	2020
dudmuck	0:8f0d0ae0a077	2021	LoRaMacBuffer[pktHeaderLen++] = UpLinkCounter & 0xFF;
dudmuck	0:8f0d0ae0a077	2022	LoRaMacBuffer[pktHeaderLen++] = ( UpLinkCounter >> 8 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	2023
dudmuck	0:8f0d0ae0a077	2024	// Copy the MAC commands which must be re-send into the MAC command buffer
dudmuck	0:8f0d0ae0a077	2025	memcpy1( &MacCommandsBuffer[MacCommandsBufferIndex], MacCommandsBufferToRepeat, MacCommandsBufferToRepeatIndex );
dudmuck	0:8f0d0ae0a077	2026	MacCommandsBufferIndex += MacCommandsBufferToRepeatIndex;
dudmuck	0:8f0d0ae0a077	2027
dudmuck	0:8f0d0ae0a077	2028	if( ( payload != NULL ) && ( LoRaMacTxPayloadLen > 0 ) )
dudmuck	0:8f0d0ae0a077	2029	{
dudmuck	0:8f0d0ae0a077	2030	if( ( MacCommandsBufferIndex <= LORA_MAC_COMMAND_MAX_LENGTH ) && ( MacCommandsInNextTx == true ) )
dudmuck	0:8f0d0ae0a077	2031	{
dudmuck	0:8f0d0ae0a077	2032	fCtrl->Bits.FOptsLen += MacCommandsBufferIndex;
dudmuck	0:8f0d0ae0a077	2033
dudmuck	0:8f0d0ae0a077	2034	// Update FCtrl field with new value of OptionsLength
dudmuck	0:8f0d0ae0a077	2035	LoRaMacBuffer[0x05] = fCtrl->Value;
dudmuck	0:8f0d0ae0a077	2036	for( i = 0; i < MacCommandsBufferIndex; i++ )
dudmuck	0:8f0d0ae0a077	2037	{
dudmuck	0:8f0d0ae0a077	2038	LoRaMacBuffer[pktHeaderLen++] = MacCommandsBuffer[i];
dudmuck	0:8f0d0ae0a077	2039	}
dudmuck	0:8f0d0ae0a077	2040	}
dudmuck	0:8f0d0ae0a077	2041	}
dudmuck	0:8f0d0ae0a077	2042	else
dudmuck	0:8f0d0ae0a077	2043	{
dudmuck	0:8f0d0ae0a077	2044	if( ( MacCommandsBufferIndex > 0 ) && ( MacCommandsInNextTx ) )
dudmuck	0:8f0d0ae0a077	2045	{
dudmuck	0:8f0d0ae0a077	2046	LoRaMacTxPayloadLen = MacCommandsBufferIndex;
dudmuck	0:8f0d0ae0a077	2047	payload = MacCommandsBuffer;
dudmuck	0:8f0d0ae0a077	2048	framePort = 0;
dudmuck	0:8f0d0ae0a077	2049	}
dudmuck	0:8f0d0ae0a077	2050	}
dudmuck	0:8f0d0ae0a077	2051	MacCommandsInNextTx = false;
dudmuck	0:8f0d0ae0a077	2052	// Store MAC commands which must be re-send in case the device does not receive a downlink anymore
dudmuck	0:8f0d0ae0a077	2053	MacCommandsBufferToRepeatIndex = ParseMacCommandsToRepeat( MacCommandsBuffer, MacCommandsBufferIndex, MacCommandsBufferToRepeat );
dudmuck	0:8f0d0ae0a077	2054	if( MacCommandsBufferToRepeatIndex > 0 )
dudmuck	0:8f0d0ae0a077	2055	{
dudmuck	0:8f0d0ae0a077	2056	MacCommandsInNextTx = true;
dudmuck	0:8f0d0ae0a077	2057	}
dudmuck	0:8f0d0ae0a077	2058
dudmuck	0:8f0d0ae0a077	2059	if( ( payload != NULL ) && ( LoRaMacTxPayloadLen > 0 ) )
dudmuck	0:8f0d0ae0a077	2060	{
dudmuck	0:8f0d0ae0a077	2061	LoRaMacBuffer[pktHeaderLen++] = framePort;
dudmuck	0:8f0d0ae0a077	2062
dudmuck	0:8f0d0ae0a077	2063	if( framePort == 0 )
dudmuck	0:8f0d0ae0a077	2064	{
dudmuck	0:8f0d0ae0a077	2065	LoRaMacPayloadEncrypt( (uint8_t* ) payload, LoRaMacTxPayloadLen, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, &LoRaMacBuffer[pktHeaderLen] );
dudmuck	0:8f0d0ae0a077	2066	}
dudmuck	0:8f0d0ae0a077	2067	else
dudmuck	0:8f0d0ae0a077	2068	{
dudmuck	0:8f0d0ae0a077	2069	LoRaMacPayloadEncrypt( (uint8_t* ) payload, LoRaMacTxPayloadLen, LoRaMacAppSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, &LoRaMacBuffer[pktHeaderLen] );
dudmuck	0:8f0d0ae0a077	2070	}
dudmuck	0:8f0d0ae0a077	2071	}
dudmuck	0:8f0d0ae0a077	2072	LoRaMacBufferPktLen = pktHeaderLen + LoRaMacTxPayloadLen;
dudmuck	0:8f0d0ae0a077	2073
dudmuck	0:8f0d0ae0a077	2074	LoRaMacComputeMic( LoRaMacBuffer, LoRaMacBufferPktLen, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, &mic );
dudmuck	0:8f0d0ae0a077	2075
dudmuck	0:8f0d0ae0a077	2076	LoRaMacBuffer[LoRaMacBufferPktLen + 0] = mic & 0xFF;
dudmuck	0:8f0d0ae0a077	2077	LoRaMacBuffer[LoRaMacBufferPktLen + 1] = ( mic >> 8 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	2078	LoRaMacBuffer[LoRaMacBufferPktLen + 2] = ( mic >> 16 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	2079	LoRaMacBuffer[LoRaMacBufferPktLen + 3] = ( mic >> 24 ) & 0xFF;
dudmuck	0:8f0d0ae0a077	2080
dudmuck	0:8f0d0ae0a077	2081	LoRaMacBufferPktLen += LORAMAC_MFR_LEN;
dudmuck	0:8f0d0ae0a077	2082
dudmuck	0:8f0d0ae0a077	2083	break;
dudmuck	0:8f0d0ae0a077	2084	case FRAME_TYPE_PROPRIETARY:
dudmuck	0:8f0d0ae0a077	2085	if( ( fBuffer != NULL ) && ( LoRaMacTxPayloadLen > 0 ) )
dudmuck	0:8f0d0ae0a077	2086	{
dudmuck	0:8f0d0ae0a077	2087	memcpy1( LoRaMacBuffer + pktHeaderLen, ( uint8_t* ) fBuffer, LoRaMacTxPayloadLen );
dudmuck	0:8f0d0ae0a077	2088	LoRaMacBufferPktLen = pktHeaderLen + LoRaMacTxPayloadLen;
dudmuck	0:8f0d0ae0a077	2089	}
dudmuck	0:8f0d0ae0a077	2090	break;
dudmuck	0:8f0d0ae0a077	2091	default:
dudmuck	0:8f0d0ae0a077	2092	return LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck	0:8f0d0ae0a077	2093	}
dudmuck	0:8f0d0ae0a077	2094
dudmuck	0:8f0d0ae0a077	2095	return LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	2096	}
dudmuck	0:8f0d0ae0a077	2097
dudmuck	0:8f0d0ae0a077	2098
dudmuck	5:c108560af4c3	2099	//TxPowers[LoRaMacParams.ChannelsTxPower]
dudmuck	0:8f0d0ae0a077	2100	LoRaMacStatus_t SendFrameOnChannel( ChannelParams_t channel )
dudmuck	0:8f0d0ae0a077	2101	{
dudmuck	0:8f0d0ae0a077	2102	int8_t datarate = Datarates[LoRaMacParams.ChannelsDatarate_fixed];
dudmuck	0:8f0d0ae0a077	2103	int8_t txPowerIndex = 0;
dudmuck	0:8f0d0ae0a077	2104	int8_t txPower = 0;
dudmuck	0:8f0d0ae0a077	2105
dudmuck	0:8f0d0ae0a077	2106	if (LoRaMacState & LORAMAC_TX_SCHED) {
dudmuck	0:8f0d0ae0a077	2107	return LORAMAC_STATUS_BUSY;
dudmuck	0:8f0d0ae0a077	2108	}
dudmuck	0:8f0d0ae0a077	2109
dudmuck	0:8f0d0ae0a077	2110	txPowerIndex = LoRaMacParams.ChannelsTxPower;
dudmuck	0:8f0d0ae0a077	2111	txPower = TxPowers[txPowerIndex];
dudmuck	0:8f0d0ae0a077	2112
dudmuck	2:f2d9aa163652	2113	MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_SEND;
dudmuck	2:f2d9aa163652	2114	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_SEND;
dudmuck	0:8f0d0ae0a077	2115	McpsConfirm.TxPower = txPowerIndex;
dudmuck	0:8f0d0ae0a077	2116	McpsConfirm.UpLinkFrequency = channel.Frequency;
dudmuck	0:8f0d0ae0a077	2117
dudmuck	0:8f0d0ae0a077	2118	Radio.SetChannel( channel.Frequency );
dudmuck	0:8f0d0ae0a077	2119
dudmuck	0:8f0d0ae0a077	2120	if( LoRaMacParams.ChannelsDatarate_fixed >= DR_8 )
dudmuck	0:8f0d0ae0a077	2121	{ // High speed LoRa channel BW500 kHz
dudmuck	5:c108560af4c3	2122	//Radio.SetTxConfig( MODEM_LORA, txPower, 0, 2, datarate, 1, 8, false, true, 0, 0, false, 3e3 );
dudmuck	0:8f0d0ae0a077	2123	TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
dudmuck	0:8f0d0ae0a077	2124	} else
dudmuck	0:8f0d0ae0a077	2125	return LORAMAC_STATUS_DATARATE_INVALID;
dudmuck	0:8f0d0ae0a077	2126
dudmuck	0:8f0d0ae0a077	2127	// Store the time on air
dudmuck	0:8f0d0ae0a077	2128	McpsConfirm.TxTimeOnAir = TxTimeOnAir;
dudmuck	0:8f0d0ae0a077	2129	MlmeConfirm.TxTimeOnAir = TxTimeOnAir;
dudmuck	0:8f0d0ae0a077	2130
dudmuck	0:8f0d0ae0a077	2131
dudmuck	0:8f0d0ae0a077	2132	if( IsLoRaMacNetworkJoined == false )
dudmuck	0:8f0d0ae0a077	2133	{
dudmuck	0:8f0d0ae0a077	2134	JoinRequestTrials++;
dudmuck	7:e238827f0e47	2135	isr_printf("join %luhz try%u DR%u\r\n", channel.Frequency, JoinRequestTrials, LoRaMacParams.ChannelsDatarate_fixed);
dudmuck	0:8f0d0ae0a077	2136	}
dudmuck	0:8f0d0ae0a077	2137
dudmuck	0:8f0d0ae0a077	2138	/* anything not join request is sent at permitted time slot */
dudmuck	0:8f0d0ae0a077	2139	LoRaMacHeader_t* macHdr = (LoRaMacHeader_t*)&LoRaMacBuffer[0];
dudmuck	0:8f0d0ae0a077	2140	if (macHdr->Bits.MType == FRAME_TYPE_JOIN_REQ) {
dudmuck	0:8f0d0ae0a077	2141	// Send now
dudmuck	5:c108560af4c3	2142	Radio.SetTxConfig( MODEM_LORA, txPower, 0, 2, datarate, 1, 8, false, true, 0, 0, false, 3e3 );
dudmuck	0:8f0d0ae0a077	2143	Radio.Send( LoRaMacBuffer, LoRaMacBufferPktLen );
dudmuck	0:8f0d0ae0a077	2144
dudmuck	0:8f0d0ae0a077	2145	LoRaMacState \|= LORAMAC_TX_RUNNING;
dudmuck	0:8f0d0ae0a077	2146
dudmuck	0:8f0d0ae0a077	2147	// Starts the MAC layer status check timer
dudmuck	0:8f0d0ae0a077	2148	MacStateCheckTimer.attach_us(&OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT_us);
dudmuck	0:8f0d0ae0a077	2149	} else if (BeaconCtx.have_beacon) {
dudmuck	0:8f0d0ae0a077	2150	/* find now ping slot */
dudmuck	0:8f0d0ae0a077	2151	unsigned int target_us, now_us = lp_timer.read_us();
dudmuck	6:240fd4938d51	2152	int us_to_guard, us_since_beacon_start = now_us - BeaconCtx.LastBeaconStart_us;
dudmuck	0:8f0d0ae0a077	2153	int use_slot = BeaconCtx.tx_slot_offset;
dudmuck	0:8f0d0ae0a077	2154	int now_slot = (us_since_beacon_start - BEACON_RESERVED_us) / 30000;
dudmuck	8:ab2f9a8d2eaa	2155	int use_slot_us, txing_in_us;
dudmuck	0:8f0d0ae0a077	2156
dudmuck	0:8f0d0ae0a077	2157	while (use_slot < now_slot)
dudmuck	0:8f0d0ae0a077	2158	use_slot += BeaconCtx.periodicity_slots;
dudmuck	0:8f0d0ae0a077	2159
dudmuck	0:8f0d0ae0a077	2160	use_slot_us = (use_slot * 30000);
dudmuck	6:240fd4938d51	2161	us_to_guard = BeaconCtx.next_beacon_expected_us - use_slot_us;
dudmuck	8:ab2f9a8d2eaa	2162	target_us = (use_slot * 30000) + BEACON_RESERVED_us;
dudmuck	8:ab2f9a8d2eaa	2163	txing_in_us = target_us - us_since_beacon_start;
dudmuck	0:8f0d0ae0a077	2164	#ifdef TX_DEBUG
dudmuck	8:ab2f9a8d2eaa	2165	isr_printf("now_slot:%d, to-guard:%d use_slot:%u (txing_in %d) ", now_slot, us_to_guard, use_slot, txing_in_us);
dudmuck	0:8f0d0ae0a077	2166	#endif
dudmuck	8:ab2f9a8d2eaa	2167	if ((us_to_guard - txing_in_us) > BEACON_GUARD_us) {
dudmuck	8:ab2f9a8d2eaa	2168	us_at_sched = us_to_guard - txing_in_us;
dudmuck	8:ab2f9a8d2eaa	2169	tx_timeout.attach_us(&send_callback, txing_in_us);
dudmuck	0:8f0d0ae0a077	2170	#ifdef TX_DEBUG
dudmuck	1:53c30224eda8	2171	isr_printf(" : tx in %uus\r\n", target_us - us_since_beacon_start);
dudmuck	0:8f0d0ae0a077	2172	#endif
dudmuck	0:8f0d0ae0a077	2173	} else {
dudmuck	6:240fd4938d51	2174	#ifdef TX_DEBUG
dudmuck	5:c108560af4c3	2175	isr_printf("sf-busy\r\n");
dudmuck	6:240fd4938d51	2176	#endif
dudmuck	0:8f0d0ae0a077	2177	return LORAMAC_STATUS_BUSY;
dudmuck	0:8f0d0ae0a077	2178	}
dudmuck	0:8f0d0ae0a077	2179
dudmuck	0:8f0d0ae0a077	2180	LoRaMacState \|= LORAMAC_TX_SCHED;
dudmuck	0:8f0d0ae0a077	2181	} else {
dudmuck	1:53c30224eda8	2182	isr_printf("dropped tx\r\n");
dudmuck	0:8f0d0ae0a077	2183	return LORAMAC_STATUS_SERVICE_UNKNOWN; // TODO use correct failure
dudmuck	0:8f0d0ae0a077	2184	}
dudmuck	0:8f0d0ae0a077	2185
dudmuck	0:8f0d0ae0a077	2186	return LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	2187	}
dudmuck	0:8f0d0ae0a077	2188
dudmuck	0:8f0d0ae0a077	2189	LoRaMacStatus_t SetTxContinuousWave( uint16_t timeout )
dudmuck	0:8f0d0ae0a077	2190	{
dudmuck	0:8f0d0ae0a077	2191	int8_t txPowerIndex = 0;
dudmuck	0:8f0d0ae0a077	2192	int8_t txPower = 0;
dudmuck	0:8f0d0ae0a077	2193
dudmuck	0:8f0d0ae0a077	2194	txPowerIndex = LoRaMacParams.ChannelsTxPower;
dudmuck	0:8f0d0ae0a077	2195	txPower = TxPowers[txPowerIndex];
dudmuck	0:8f0d0ae0a077	2196
dudmuck	0:8f0d0ae0a077	2197	// Starts the MAC layer status check timer
dudmuck	0:8f0d0ae0a077	2198	MacStateCheckTimer.attach_us(&OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT_us);
dudmuck	0:8f0d0ae0a077	2199
dudmuck	0:8f0d0ae0a077	2200	Radio.SetTxContinuousWave( Channels[Channel].Frequency, txPower, timeout );
dudmuck	0:8f0d0ae0a077	2201
dudmuck	0:8f0d0ae0a077	2202	LoRaMacState \|= LORAMAC_TX_RUNNING;
dudmuck	0:8f0d0ae0a077	2203
dudmuck	0:8f0d0ae0a077	2204	return LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	2205	}
dudmuck	0:8f0d0ae0a077	2206
dudmuck	0:8f0d0ae0a077	2207	LoRaMacStatus_t SetTxContinuousWave1( uint16_t timeout, uint32_t frequency, uint8_t power )
dudmuck	0:8f0d0ae0a077	2208	{
dudmuck	0:8f0d0ae0a077	2209	Radio.SetTxContinuousWave( frequency, power, timeout );
dudmuck	0:8f0d0ae0a077	2210
dudmuck	0:8f0d0ae0a077	2211	// Starts the MAC layer status check timer
dudmuck	0:8f0d0ae0a077	2212	MacStateCheckTimer.attach_us(&OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT_us);
dudmuck	0:8f0d0ae0a077	2213
dudmuck	0:8f0d0ae0a077	2214	LoRaMacState \|= LORAMAC_TX_RUNNING;
dudmuck	0:8f0d0ae0a077	2215
dudmuck	0:8f0d0ae0a077	2216	return LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	2217	}
dudmuck	0:8f0d0ae0a077	2218
dudmuck	0:8f0d0ae0a077	2219	void seconds()
dudmuck	0:8f0d0ae0a077	2220	{
dudmuck	1:53c30224eda8	2221	isr_printf("second\r\n");
dudmuck	0:8f0d0ae0a077	2222	}
dudmuck	0:8f0d0ae0a077	2223
dudmuck	0:8f0d0ae0a077	2224	LoRaMacStatus_t LoRaMacInitialization( LoRaMacPrimitives_t primitives, LoRaMacCallback_t callbacks )
dudmuck	0:8f0d0ae0a077	2225	{
dudmuck	0:8f0d0ae0a077	2226	if( primitives == NULL )
dudmuck	0:8f0d0ae0a077	2227	{
dudmuck	0:8f0d0ae0a077	2228	return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2229	}
dudmuck	0:8f0d0ae0a077	2230
dudmuck	0:8f0d0ae0a077	2231	if( ( primitives->MacMcpsConfirm == NULL ) \|\|
dudmuck	0:8f0d0ae0a077	2232	( primitives->MacMcpsIndication == NULL ) \|\|
dudmuck	0:8f0d0ae0a077	2233	( primitives->MacMlmeConfirm == NULL ) )
dudmuck	0:8f0d0ae0a077	2234	{
dudmuck	0:8f0d0ae0a077	2235	return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2236	}
dudmuck	0:8f0d0ae0a077	2237
dudmuck	0:8f0d0ae0a077	2238	LoRaMacPrimitives = primitives;
dudmuck	0:8f0d0ae0a077	2239	LoRaMacCallbacks = callbacks;
dudmuck	0:8f0d0ae0a077	2240
dudmuck	0:8f0d0ae0a077	2241	LoRaMacFlags.Value = 0;
dudmuck	0:8f0d0ae0a077	2242
dudmuck	0:8f0d0ae0a077	2243	LoRaMacDeviceClass = CLASS_A;
dudmuck	0:8f0d0ae0a077	2244	LoRaMacState = LORAMAC_IDLE;
dudmuck	0:8f0d0ae0a077	2245
dudmuck	0:8f0d0ae0a077	2246	JoinRequestTrials = 0;
dudmuck	0:8f0d0ae0a077	2247	MaxJoinRequestTrials = 255;
dudmuck	0:8f0d0ae0a077	2248
dudmuck	0:8f0d0ae0a077	2249
dudmuck	0:8f0d0ae0a077	2250	// Reset to defaults
dudmuck	0:8f0d0ae0a077	2251	LoRaMacParamsDefaults.ChannelsTxPower = LORAMAC_DEFAULT_TX_POWER;
dudmuck	0:8f0d0ae0a077	2252	LoRaMacParamsDefaults.ChannelsDatarate_fixed = LORAMAC_DEFAULT_DATARATE;
dudmuck	0:8f0d0ae0a077	2253
dudmuck	0:8f0d0ae0a077	2254	LoRaMacParamsDefaults.SystemMaxRxError = 10;
dudmuck	0:8f0d0ae0a077	2255	LoRaMacParamsDefaults.MinRxSymbols = 6; // TODO XXX increase
dudmuck	0:8f0d0ae0a077	2256	LoRaMacParamsDefaults.MaxRxWindow = MAX_RX_WINDOW;
dudmuck	0:8f0d0ae0a077	2257
dudmuck	0:8f0d0ae0a077	2258	LoRaMacParamsDefaults.ReceiveDelay_us = RECEIVE_DELAY_us;
dudmuck	0:8f0d0ae0a077	2259	LoRaMacParamsDefaults.JoinAcceptDelay_us = JOIN_ACCEPT_DELAY_us;
dudmuck	0:8f0d0ae0a077	2260
dudmuck	0:8f0d0ae0a077	2261	LoRaMacParamsDefaults.ChannelsNbRep = 1;
dudmuck	0:8f0d0ae0a077	2262	LoRaMacParamsDefaults.Rx1DrOffset = 0;
dudmuck	0:8f0d0ae0a077	2263
dudmuck	0:8f0d0ae0a077	2264
dudmuck	0:8f0d0ae0a077	2265	#if defined(USE_BAND_915_SINGLE)
dudmuck	0:8f0d0ae0a077	2266	// 500 kHz channels
dudmuck	0:8f0d0ae0a077	2267	for( uint8_t i = 0; i < LORA_MAX_NB_CHANNELS; i++ )
dudmuck	0:8f0d0ae0a077	2268	{
dudmuck	0:8f0d0ae0a077	2269	Channels[i].Frequency = LORAMAC_FIRST_CHANNEL + (i * LORAMAC_STEPWIDTH_CHANNEL);
dudmuck	0:8f0d0ae0a077	2270	Channels[i].DrRange.Value = ( DR_13 << 4 ) \| DR_8;
dudmuck	0:8f0d0ae0a077	2271	Channels[i].Band = 0;
dudmuck	0:8f0d0ae0a077	2272	}
dudmuck	0:8f0d0ae0a077	2273	#endif
dudmuck	0:8f0d0ae0a077	2274
dudmuck	0:8f0d0ae0a077	2275	// Init parameters which are not set in function ResetMacParameters
dudmuck	0:8f0d0ae0a077	2276	LoRaMacParams.SystemMaxRxError = LoRaMacParamsDefaults.SystemMaxRxError;
dudmuck	0:8f0d0ae0a077	2277	LoRaMacParams.MinRxSymbols = LoRaMacParamsDefaults.MinRxSymbols;
dudmuck	0:8f0d0ae0a077	2278	LoRaMacParams.MaxRxWindow = LoRaMacParamsDefaults.MaxRxWindow;
dudmuck	0:8f0d0ae0a077	2279	LoRaMacParams.ReceiveDelay_us = LoRaMacParamsDefaults.ReceiveDelay_us;
dudmuck	0:8f0d0ae0a077	2280	LoRaMacParams.JoinAcceptDelay_us = LoRaMacParamsDefaults.JoinAcceptDelay_us;
dudmuck	0:8f0d0ae0a077	2281	LoRaMacParams.ChannelsNbRep = LoRaMacParamsDefaults.ChannelsNbRep;
dudmuck	0:8f0d0ae0a077	2282
dudmuck	0:8f0d0ae0a077	2283	ResetMacParameters( );
dudmuck	0:8f0d0ae0a077	2284
dudmuck	0:8f0d0ae0a077	2285	// Initialize Radio driver
dudmuck	0:8f0d0ae0a077	2286	RadioEvents.TxDone = OnRadioTxDone;
dudmuck	0:8f0d0ae0a077	2287	RadioEvents.RxDone = OnRadioRxDone;
dudmuck	0:8f0d0ae0a077	2288	RadioEvents.RxError = OnRadioRxError;
dudmuck	0:8f0d0ae0a077	2289	RadioEvents.TxTimeout = OnRadioTxTimeout;
dudmuck	0:8f0d0ae0a077	2290	RadioEvents.RxTimeout = OnRadioRxTimeout;
dudmuck	0:8f0d0ae0a077	2291	Radio.Init( &RadioEvents );
dudmuck	0:8f0d0ae0a077	2292
dudmuck	0:8f0d0ae0a077	2293	// Random seed initialization
dudmuck	0:8f0d0ae0a077	2294	srand1( Radio.Random( ) );
dudmuck	0:8f0d0ae0a077	2295
dudmuck	0:8f0d0ae0a077	2296	PublicNetwork = true;
dudmuck	0:8f0d0ae0a077	2297	Radio.SetPublicNetwork( PublicNetwork );
dudmuck	0:8f0d0ae0a077	2298	Radio.Sleep( );
dudmuck	0:8f0d0ae0a077	2299
dudmuck	0:8f0d0ae0a077	2300	lp_timer.start();
dudmuck	0:8f0d0ae0a077	2301
dudmuck	0:8f0d0ae0a077	2302	RxWindowsParam = ComputeRxWindowParameters(LORAMAC_DEFAULT_DATARATE, LoRaMacParams.SystemMaxRxError);
dudmuck	13:18de9ee3a461	2303
dudmuck	13:18de9ee3a461	2304	#ifdef DEBUG_GWTX_JUMPER
dudmuck	13:18de9ee3a461	2305	gwtx_pin.rise(&gwtx_pin_callback);
dudmuck	13:18de9ee3a461	2306	#endif
dudmuck	0:8f0d0ae0a077	2307
dudmuck	0:8f0d0ae0a077	2308	return LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	2309	}
dudmuck	0:8f0d0ae0a077	2310
dudmuck	0:8f0d0ae0a077	2311	LoRaMacStatus_t LoRaMacQueryTxPossible( uint8_t size, LoRaMacTxInfo_t* txInfo )
dudmuck	0:8f0d0ae0a077	2312	{
dudmuck	0:8f0d0ae0a077	2313	uint8_t fOptLen = MacCommandsBufferIndex + MacCommandsBufferToRepeatIndex;
dudmuck	0:8f0d0ae0a077	2314
dudmuck	0:8f0d0ae0a077	2315	if( txInfo == NULL )
dudmuck	0:8f0d0ae0a077	2316	{
dudmuck	0:8f0d0ae0a077	2317	return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2318	}
dudmuck	0:8f0d0ae0a077	2319
dudmuck	0:8f0d0ae0a077	2320	txInfo->CurrentPayloadSize = 255;
dudmuck	0:8f0d0ae0a077	2321
dudmuck	0:8f0d0ae0a077	2322	if( txInfo->CurrentPayloadSize >= fOptLen )
dudmuck	0:8f0d0ae0a077	2323	{
dudmuck	0:8f0d0ae0a077	2324	txInfo->MaxPossiblePayload = txInfo->CurrentPayloadSize - fOptLen;
dudmuck	0:8f0d0ae0a077	2325	}
dudmuck	0:8f0d0ae0a077	2326	else
dudmuck	0:8f0d0ae0a077	2327	{
dudmuck	0:8f0d0ae0a077	2328	return LORAMAC_STATUS_MAC_CMD_LENGTH_ERROR;
dudmuck	0:8f0d0ae0a077	2329	}
dudmuck	0:8f0d0ae0a077	2330
dudmuck	0:8f0d0ae0a077	2331	return LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	2332	}
dudmuck	0:8f0d0ae0a077	2333
dudmuck	0:8f0d0ae0a077	2334	LoRaMacStatus_t LoRaMacMibGetRequestConfirm( MibRequestConfirm_t *mibGet )
dudmuck	0:8f0d0ae0a077	2335	{
dudmuck	0:8f0d0ae0a077	2336	LoRaMacStatus_t status = LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	2337
dudmuck	0:8f0d0ae0a077	2338	if( mibGet == NULL )
dudmuck	0:8f0d0ae0a077	2339	{
dudmuck	0:8f0d0ae0a077	2340	return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2341	}
dudmuck	0:8f0d0ae0a077	2342
dudmuck	0:8f0d0ae0a077	2343	switch( mibGet->Type )
dudmuck	0:8f0d0ae0a077	2344	{
dudmuck	0:8f0d0ae0a077	2345	case MIB_DEVICE_CLASS:
dudmuck	0:8f0d0ae0a077	2346	{
dudmuck	0:8f0d0ae0a077	2347	mibGet->Param.Class = LoRaMacDeviceClass;
dudmuck	0:8f0d0ae0a077	2348	break;
dudmuck	0:8f0d0ae0a077	2349	}
dudmuck	0:8f0d0ae0a077	2350	case MIB_NETWORK_JOINED:
dudmuck	0:8f0d0ae0a077	2351	{
dudmuck	0:8f0d0ae0a077	2352	mibGet->Param.IsNetworkJoined = IsLoRaMacNetworkJoined;
dudmuck	0:8f0d0ae0a077	2353	break;
dudmuck	0:8f0d0ae0a077	2354	}
dudmuck	0:8f0d0ae0a077	2355	case MIB_NET_ID:
dudmuck	0:8f0d0ae0a077	2356	{
dudmuck	0:8f0d0ae0a077	2357	mibGet->Param.NetID = LoRaMacNetID;
dudmuck	0:8f0d0ae0a077	2358	break;
dudmuck	0:8f0d0ae0a077	2359	}
dudmuck	0:8f0d0ae0a077	2360	case MIB_DEV_ADDR:
dudmuck	0:8f0d0ae0a077	2361	{
dudmuck	0:8f0d0ae0a077	2362	mibGet->Param.DevAddr = LoRaMacDevAddr;
dudmuck	0:8f0d0ae0a077	2363	break;
dudmuck	0:8f0d0ae0a077	2364	}
dudmuck	0:8f0d0ae0a077	2365	case MIB_NWK_SKEY:
dudmuck	0:8f0d0ae0a077	2366	{
dudmuck	0:8f0d0ae0a077	2367	mibGet->Param.NwkSKey = LoRaMacNwkSKey;
dudmuck	0:8f0d0ae0a077	2368	break;
dudmuck	0:8f0d0ae0a077	2369	}
dudmuck	0:8f0d0ae0a077	2370	case MIB_APP_SKEY:
dudmuck	0:8f0d0ae0a077	2371	{
dudmuck	0:8f0d0ae0a077	2372	mibGet->Param.AppSKey = LoRaMacAppSKey;
dudmuck	0:8f0d0ae0a077	2373	break;
dudmuck	0:8f0d0ae0a077	2374	}
dudmuck	0:8f0d0ae0a077	2375	case MIB_PUBLIC_NETWORK:
dudmuck	0:8f0d0ae0a077	2376	{
dudmuck	0:8f0d0ae0a077	2377	mibGet->Param.EnablePublicNetwork = PublicNetwork;
dudmuck	0:8f0d0ae0a077	2378	break;
dudmuck	0:8f0d0ae0a077	2379	}
dudmuck	0:8f0d0ae0a077	2380	case MIB_CHANNELS_NB_REP:
dudmuck	0:8f0d0ae0a077	2381	{
dudmuck	0:8f0d0ae0a077	2382	mibGet->Param.ChannelNbRep = LoRaMacParams.ChannelsNbRep;
dudmuck	0:8f0d0ae0a077	2383	break;
dudmuck	0:8f0d0ae0a077	2384	}
dudmuck	0:8f0d0ae0a077	2385	case MIB_MAX_RX_WINDOW_DURATION:
dudmuck	0:8f0d0ae0a077	2386	{
dudmuck	0:8f0d0ae0a077	2387	mibGet->Param.MaxRxWindow = LoRaMacParams.MaxRxWindow;
dudmuck	0:8f0d0ae0a077	2388	break;
dudmuck	0:8f0d0ae0a077	2389	}
dudmuck	0:8f0d0ae0a077	2390	case MIB_CHANNELS_DEFAULT_TX_POWER:
dudmuck	0:8f0d0ae0a077	2391	{
dudmuck	0:8f0d0ae0a077	2392	mibGet->Param.ChannelsDefaultTxPower = LoRaMacParamsDefaults.ChannelsTxPower;
dudmuck	0:8f0d0ae0a077	2393	break;
dudmuck	0:8f0d0ae0a077	2394	}
dudmuck	0:8f0d0ae0a077	2395	case MIB_CHANNELS_TX_POWER:
dudmuck	0:8f0d0ae0a077	2396	{
dudmuck	0:8f0d0ae0a077	2397	mibGet->Param.ChannelsTxPower = LoRaMacParams.ChannelsTxPower;
dudmuck	0:8f0d0ae0a077	2398	break;
dudmuck	0:8f0d0ae0a077	2399	}
dudmuck	0:8f0d0ae0a077	2400	case MIB_UPLINK_COUNTER:
dudmuck	0:8f0d0ae0a077	2401	{
dudmuck	0:8f0d0ae0a077	2402	mibGet->Param.UpLinkCounter = UpLinkCounter;
dudmuck	0:8f0d0ae0a077	2403	break;
dudmuck	0:8f0d0ae0a077	2404	}
dudmuck	0:8f0d0ae0a077	2405	case MIB_DOWNLINK_COUNTER:
dudmuck	0:8f0d0ae0a077	2406	{
dudmuck	0:8f0d0ae0a077	2407	mibGet->Param.DownLinkCounter = DownLinkCounter;
dudmuck	0:8f0d0ae0a077	2408	break;
dudmuck	0:8f0d0ae0a077	2409	}
dudmuck	0:8f0d0ae0a077	2410	case MIB_MULTICAST_CHANNEL:
dudmuck	0:8f0d0ae0a077	2411	{
dudmuck	0:8f0d0ae0a077	2412	mibGet->Param.MulticastList = MulticastChannels;
dudmuck	0:8f0d0ae0a077	2413	break;
dudmuck	0:8f0d0ae0a077	2414	}
dudmuck	0:8f0d0ae0a077	2415	case MIB_SYSTEM_MAX_RX_ERROR:
dudmuck	0:8f0d0ae0a077	2416	{
dudmuck	0:8f0d0ae0a077	2417	mibGet->Param.SystemMaxRxError = LoRaMacParams.SystemMaxRxError;
dudmuck	0:8f0d0ae0a077	2418	break;
dudmuck	0:8f0d0ae0a077	2419	}
dudmuck	0:8f0d0ae0a077	2420	case MIB_MIN_RX_SYMBOLS:
dudmuck	0:8f0d0ae0a077	2421	{
dudmuck	0:8f0d0ae0a077	2422	mibGet->Param.MinRxSymbols = LoRaMacParams.MinRxSymbols;
dudmuck	0:8f0d0ae0a077	2423	break;
dudmuck	0:8f0d0ae0a077	2424	}
dudmuck	0:8f0d0ae0a077	2425	default:
dudmuck	0:8f0d0ae0a077	2426	status = LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck	0:8f0d0ae0a077	2427	break;
dudmuck	0:8f0d0ae0a077	2428	}
dudmuck	0:8f0d0ae0a077	2429
dudmuck	0:8f0d0ae0a077	2430	return status;
dudmuck	0:8f0d0ae0a077	2431	}
dudmuck	0:8f0d0ae0a077	2432
dudmuck	0:8f0d0ae0a077	2433	LoRaMacStatus_t LoRaMacMibSetRequestConfirm( MibRequestConfirm_t *mibSet )
dudmuck	0:8f0d0ae0a077	2434	{
dudmuck	0:8f0d0ae0a077	2435	LoRaMacStatus_t status = LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	2436
dudmuck	0:8f0d0ae0a077	2437	if( mibSet == NULL )
dudmuck	0:8f0d0ae0a077	2438	{
dudmuck	0:8f0d0ae0a077	2439	return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2440	}
dudmuck	0:8f0d0ae0a077	2441	if( ( LoRaMacState & LORAMAC_TX_RUNNING ) == LORAMAC_TX_RUNNING )
dudmuck	0:8f0d0ae0a077	2442	{
dudmuck	0:8f0d0ae0a077	2443	return LORAMAC_STATUS_BUSY;
dudmuck	0:8f0d0ae0a077	2444	}
dudmuck	0:8f0d0ae0a077	2445
dudmuck	0:8f0d0ae0a077	2446	switch( mibSet->Type )
dudmuck	0:8f0d0ae0a077	2447	{
dudmuck	0:8f0d0ae0a077	2448	case MIB_DEVICE_CLASS:
dudmuck	0:8f0d0ae0a077	2449	{
dudmuck	0:8f0d0ae0a077	2450	LoRaMacDeviceClass = mibSet->Param.Class;
dudmuck	0:8f0d0ae0a077	2451	switch( LoRaMacDeviceClass )
dudmuck	0:8f0d0ae0a077	2452	{
dudmuck	0:8f0d0ae0a077	2453	case CLASS_A:
dudmuck	0:8f0d0ae0a077	2454	{
dudmuck	0:8f0d0ae0a077	2455	// Set the radio into sleep to setup a defined state
dudmuck	0:8f0d0ae0a077	2456	Radio.Sleep( );
dudmuck	0:8f0d0ae0a077	2457	break;
dudmuck	0:8f0d0ae0a077	2458	}
dudmuck	0:8f0d0ae0a077	2459	case CLASS_B:
dudmuck	0:8f0d0ae0a077	2460	{
dudmuck	0:8f0d0ae0a077	2461	break;
dudmuck	0:8f0d0ae0a077	2462	}
dudmuck	0:8f0d0ae0a077	2463	case CLASS_D:
dudmuck	1:53c30224eda8	2464	isr_printf("TODO MIB_DEVICE_CLASS:D\r\n");
dudmuck	0:8f0d0ae0a077	2465	break;
dudmuck	0:8f0d0ae0a077	2466	}
dudmuck	0:8f0d0ae0a077	2467	break;
dudmuck	0:8f0d0ae0a077	2468	}
dudmuck	0:8f0d0ae0a077	2469	case MIB_NETWORK_JOINED:
dudmuck	0:8f0d0ae0a077	2470	{
dudmuck	0:8f0d0ae0a077	2471	IsLoRaMacNetworkJoined = mibSet->Param.IsNetworkJoined;
dudmuck	0:8f0d0ae0a077	2472	break;
dudmuck	0:8f0d0ae0a077	2473	}
dudmuck	0:8f0d0ae0a077	2474	case MIB_NET_ID:
dudmuck	0:8f0d0ae0a077	2475	{
dudmuck	0:8f0d0ae0a077	2476	LoRaMacNetID = mibSet->Param.NetID;
dudmuck	0:8f0d0ae0a077	2477	break;
dudmuck	0:8f0d0ae0a077	2478	}
dudmuck	0:8f0d0ae0a077	2479	case MIB_DEV_ADDR:
dudmuck	0:8f0d0ae0a077	2480	{
dudmuck	0:8f0d0ae0a077	2481	LoRaMacDevAddr = mibSet->Param.DevAddr;
dudmuck	0:8f0d0ae0a077	2482	break;
dudmuck	0:8f0d0ae0a077	2483	}
dudmuck	0:8f0d0ae0a077	2484	case MIB_NWK_SKEY:
dudmuck	0:8f0d0ae0a077	2485	{
dudmuck	0:8f0d0ae0a077	2486	if( mibSet->Param.NwkSKey != NULL )
dudmuck	0:8f0d0ae0a077	2487	{
dudmuck	0:8f0d0ae0a077	2488	memcpy1( LoRaMacNwkSKey, mibSet->Param.NwkSKey,
dudmuck	0:8f0d0ae0a077	2489	sizeof( LoRaMacNwkSKey ) );
dudmuck	0:8f0d0ae0a077	2490	}
dudmuck	0:8f0d0ae0a077	2491	else
dudmuck	0:8f0d0ae0a077	2492	{
dudmuck	0:8f0d0ae0a077	2493	status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2494	}
dudmuck	0:8f0d0ae0a077	2495	break;
dudmuck	0:8f0d0ae0a077	2496	}
dudmuck	0:8f0d0ae0a077	2497	case MIB_APP_SKEY:
dudmuck	0:8f0d0ae0a077	2498	{
dudmuck	0:8f0d0ae0a077	2499	if( mibSet->Param.AppSKey != NULL )
dudmuck	0:8f0d0ae0a077	2500	{
dudmuck	0:8f0d0ae0a077	2501	memcpy1( LoRaMacAppSKey, mibSet->Param.AppSKey,
dudmuck	0:8f0d0ae0a077	2502	sizeof( LoRaMacAppSKey ) );
dudmuck	0:8f0d0ae0a077	2503	}
dudmuck	0:8f0d0ae0a077	2504	else
dudmuck	0:8f0d0ae0a077	2505	{
dudmuck	0:8f0d0ae0a077	2506	status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2507	}
dudmuck	0:8f0d0ae0a077	2508	break;
dudmuck	0:8f0d0ae0a077	2509	}
dudmuck	0:8f0d0ae0a077	2510	case MIB_PUBLIC_NETWORK:
dudmuck	0:8f0d0ae0a077	2511	{
dudmuck	0:8f0d0ae0a077	2512	PublicNetwork = mibSet->Param.EnablePublicNetwork;
dudmuck	0:8f0d0ae0a077	2513	Radio.SetPublicNetwork( PublicNetwork );
dudmuck	0:8f0d0ae0a077	2514	break;
dudmuck	0:8f0d0ae0a077	2515	}
dudmuck	0:8f0d0ae0a077	2516	case MIB_CHANNELS_NB_REP:
dudmuck	0:8f0d0ae0a077	2517	{
dudmuck	0:8f0d0ae0a077	2518	if( ( mibSet->Param.ChannelNbRep >= 1 ) &&
dudmuck	0:8f0d0ae0a077	2519	( mibSet->Param.ChannelNbRep <= 15 ) )
dudmuck	0:8f0d0ae0a077	2520	{
dudmuck	0:8f0d0ae0a077	2521	LoRaMacParams.ChannelsNbRep = mibSet->Param.ChannelNbRep;
dudmuck	0:8f0d0ae0a077	2522	}
dudmuck	0:8f0d0ae0a077	2523	else
dudmuck	0:8f0d0ae0a077	2524	{
dudmuck	0:8f0d0ae0a077	2525	status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2526	}
dudmuck	0:8f0d0ae0a077	2527	break;
dudmuck	0:8f0d0ae0a077	2528	}
dudmuck	0:8f0d0ae0a077	2529	case MIB_MAX_RX_WINDOW_DURATION:
dudmuck	0:8f0d0ae0a077	2530	{
dudmuck	0:8f0d0ae0a077	2531	LoRaMacParams.MaxRxWindow = mibSet->Param.MaxRxWindow;
dudmuck	0:8f0d0ae0a077	2532	break;
dudmuck	0:8f0d0ae0a077	2533	}
dudmuck	0:8f0d0ae0a077	2534	case MIB_CHANNELS_DEFAULT_TX_POWER:
dudmuck	0:8f0d0ae0a077	2535	{
dudmuck	0:8f0d0ae0a077	2536	if( ValueInRange( mibSet->Param.ChannelsDefaultTxPower,
dudmuck	0:8f0d0ae0a077	2537	LORAMAC_MAX_TX_POWER, LORAMAC_MIN_TX_POWER ) )
dudmuck	0:8f0d0ae0a077	2538	{
dudmuck	0:8f0d0ae0a077	2539	LoRaMacParamsDefaults.ChannelsTxPower = mibSet->Param.ChannelsDefaultTxPower;
dudmuck	0:8f0d0ae0a077	2540	}
dudmuck	0:8f0d0ae0a077	2541	else
dudmuck	0:8f0d0ae0a077	2542	{
dudmuck	0:8f0d0ae0a077	2543	status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2544	}
dudmuck	0:8f0d0ae0a077	2545	break;
dudmuck	0:8f0d0ae0a077	2546	}
dudmuck	0:8f0d0ae0a077	2547	case MIB_CHANNELS_TX_POWER:
dudmuck	0:8f0d0ae0a077	2548	{
dudmuck	0:8f0d0ae0a077	2549	if( ValueInRange( mibSet->Param.ChannelsTxPower,
dudmuck	0:8f0d0ae0a077	2550	LORAMAC_MAX_TX_POWER, LORAMAC_MIN_TX_POWER ) )
dudmuck	0:8f0d0ae0a077	2551	{
dudmuck	0:8f0d0ae0a077	2552	LoRaMacParams.ChannelsTxPower = mibSet->Param.ChannelsTxPower;
dudmuck	0:8f0d0ae0a077	2553	}
dudmuck	0:8f0d0ae0a077	2554	else
dudmuck	0:8f0d0ae0a077	2555	{
dudmuck	0:8f0d0ae0a077	2556	status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2557	}
dudmuck	0:8f0d0ae0a077	2558	break;
dudmuck	0:8f0d0ae0a077	2559	}
dudmuck	0:8f0d0ae0a077	2560	case MIB_UPLINK_COUNTER:
dudmuck	0:8f0d0ae0a077	2561	{
dudmuck	0:8f0d0ae0a077	2562	UpLinkCounter = mibSet->Param.UpLinkCounter;
dudmuck	0:8f0d0ae0a077	2563	break;
dudmuck	0:8f0d0ae0a077	2564	}
dudmuck	0:8f0d0ae0a077	2565	case MIB_DOWNLINK_COUNTER:
dudmuck	0:8f0d0ae0a077	2566	{
dudmuck	0:8f0d0ae0a077	2567	DownLinkCounter = mibSet->Param.DownLinkCounter;
dudmuck	0:8f0d0ae0a077	2568	break;
dudmuck	0:8f0d0ae0a077	2569	}
dudmuck	0:8f0d0ae0a077	2570	case MIB_SYSTEM_MAX_RX_ERROR:
dudmuck	0:8f0d0ae0a077	2571	{
dudmuck	0:8f0d0ae0a077	2572	LoRaMacParams.SystemMaxRxError = LoRaMacParamsDefaults.SystemMaxRxError = mibSet->Param.SystemMaxRxError;
dudmuck	0:8f0d0ae0a077	2573	break;
dudmuck	0:8f0d0ae0a077	2574	}
dudmuck	0:8f0d0ae0a077	2575	case MIB_MIN_RX_SYMBOLS:
dudmuck	0:8f0d0ae0a077	2576	{
dudmuck	0:8f0d0ae0a077	2577	LoRaMacParams.MinRxSymbols = LoRaMacParamsDefaults.MinRxSymbols = mibSet->Param.MinRxSymbols;
dudmuck	0:8f0d0ae0a077	2578	break;
dudmuck	0:8f0d0ae0a077	2579	}
dudmuck	0:8f0d0ae0a077	2580	default:
dudmuck	0:8f0d0ae0a077	2581	status = LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck	0:8f0d0ae0a077	2582	break;
dudmuck	0:8f0d0ae0a077	2583	}
dudmuck	0:8f0d0ae0a077	2584
dudmuck	0:8f0d0ae0a077	2585	return status;
dudmuck	0:8f0d0ae0a077	2586	}
dudmuck	0:8f0d0ae0a077	2587
dudmuck	0:8f0d0ae0a077	2588	LoRaMacStatus_t LoRaMacMulticastChannelLink( MulticastParams_t *channelParam )
dudmuck	0:8f0d0ae0a077	2589	{
dudmuck	0:8f0d0ae0a077	2590	if( channelParam == NULL )
dudmuck	0:8f0d0ae0a077	2591	{
dudmuck	0:8f0d0ae0a077	2592	return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2593	}
dudmuck	0:8f0d0ae0a077	2594	if( ( LoRaMacState & LORAMAC_TX_RUNNING ) == LORAMAC_TX_RUNNING )
dudmuck	0:8f0d0ae0a077	2595	{
dudmuck	0:8f0d0ae0a077	2596	return LORAMAC_STATUS_BUSY;
dudmuck	0:8f0d0ae0a077	2597	}
dudmuck	0:8f0d0ae0a077	2598
dudmuck	0:8f0d0ae0a077	2599	// Reset downlink counter
dudmuck	0:8f0d0ae0a077	2600	channelParam->DownLinkCounter = 0;
dudmuck	0:8f0d0ae0a077	2601
dudmuck	0:8f0d0ae0a077	2602	if( MulticastChannels == NULL )
dudmuck	0:8f0d0ae0a077	2603	{
dudmuck	0:8f0d0ae0a077	2604	// New node is the fist element
dudmuck	0:8f0d0ae0a077	2605	MulticastChannels = channelParam;
dudmuck	0:8f0d0ae0a077	2606	}
dudmuck	0:8f0d0ae0a077	2607	else
dudmuck	0:8f0d0ae0a077	2608	{
dudmuck	0:8f0d0ae0a077	2609	MulticastParams_t *cur = MulticastChannels;
dudmuck	0:8f0d0ae0a077	2610
dudmuck	0:8f0d0ae0a077	2611	// Search the last node in the list
dudmuck	0:8f0d0ae0a077	2612	while( cur->Next != NULL )
dudmuck	0:8f0d0ae0a077	2613	{
dudmuck	0:8f0d0ae0a077	2614	cur = cur->Next;
dudmuck	0:8f0d0ae0a077	2615	}
dudmuck	0:8f0d0ae0a077	2616	// This function always finds the last node
dudmuck	0:8f0d0ae0a077	2617	cur->Next = channelParam;
dudmuck	0:8f0d0ae0a077	2618	}
dudmuck	0:8f0d0ae0a077	2619
dudmuck	0:8f0d0ae0a077	2620	return LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	2621	}
dudmuck	0:8f0d0ae0a077	2622
dudmuck	0:8f0d0ae0a077	2623	LoRaMacStatus_t LoRaMacMulticastChannelUnlink( MulticastParams_t *channelParam )
dudmuck	0:8f0d0ae0a077	2624	{
dudmuck	0:8f0d0ae0a077	2625	if( channelParam == NULL )
dudmuck	0:8f0d0ae0a077	2626	{
dudmuck	0:8f0d0ae0a077	2627	return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2628	}
dudmuck	0:8f0d0ae0a077	2629	if( ( LoRaMacState & LORAMAC_TX_RUNNING ) == LORAMAC_TX_RUNNING )
dudmuck	0:8f0d0ae0a077	2630	{
dudmuck	0:8f0d0ae0a077	2631	return LORAMAC_STATUS_BUSY;
dudmuck	0:8f0d0ae0a077	2632	}
dudmuck	0:8f0d0ae0a077	2633
dudmuck	0:8f0d0ae0a077	2634	if( MulticastChannels != NULL )
dudmuck	0:8f0d0ae0a077	2635	{
dudmuck	0:8f0d0ae0a077	2636	if( MulticastChannels == channelParam )
dudmuck	0:8f0d0ae0a077	2637	{
dudmuck	0:8f0d0ae0a077	2638	// First element
dudmuck	0:8f0d0ae0a077	2639	MulticastChannels = channelParam->Next;
dudmuck	0:8f0d0ae0a077	2640	}
dudmuck	0:8f0d0ae0a077	2641	else
dudmuck	0:8f0d0ae0a077	2642	{
dudmuck	0:8f0d0ae0a077	2643	MulticastParams_t *cur = MulticastChannels;
dudmuck	0:8f0d0ae0a077	2644
dudmuck	0:8f0d0ae0a077	2645	// Search the node in the list
dudmuck	0:8f0d0ae0a077	2646	while( cur->Next && cur->Next != channelParam )
dudmuck	0:8f0d0ae0a077	2647	{
dudmuck	0:8f0d0ae0a077	2648	cur = cur->Next;
dudmuck	0:8f0d0ae0a077	2649	}
dudmuck	0:8f0d0ae0a077	2650	// If we found the node, remove it
dudmuck	0:8f0d0ae0a077	2651	if( cur->Next )
dudmuck	0:8f0d0ae0a077	2652	{
dudmuck	0:8f0d0ae0a077	2653	cur->Next = channelParam->Next;
dudmuck	0:8f0d0ae0a077	2654	}
dudmuck	0:8f0d0ae0a077	2655	}
dudmuck	0:8f0d0ae0a077	2656	channelParam->Next = NULL;
dudmuck	0:8f0d0ae0a077	2657	}
dudmuck	0:8f0d0ae0a077	2658
dudmuck	0:8f0d0ae0a077	2659	return LORAMAC_STATUS_OK;
dudmuck	0:8f0d0ae0a077	2660	}
dudmuck	0:8f0d0ae0a077	2661
dudmuck	0:8f0d0ae0a077	2662	LoRaMacStatus_t LoRaMacMlmeRequest( MlmeReq_t *mlmeRequest )
dudmuck	0:8f0d0ae0a077	2663	{
dudmuck	0:8f0d0ae0a077	2664	LoRaMacStatus_t status = LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck	0:8f0d0ae0a077	2665	LoRaMacHeader_t macHdr;
dudmuck	0:8f0d0ae0a077	2666
dudmuck	0:8f0d0ae0a077	2667	if( mlmeRequest == NULL )
dudmuck	0:8f0d0ae0a077	2668	{
dudmuck	0:8f0d0ae0a077	2669	return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2670	}
dudmuck	0:8f0d0ae0a077	2671	if( ( LoRaMacState & LORAMAC_TX_RUNNING ) == LORAMAC_TX_RUNNING )
dudmuck	0:8f0d0ae0a077	2672	{
dudmuck	0:8f0d0ae0a077	2673	return LORAMAC_STATUS_BUSY;
dudmuck	0:8f0d0ae0a077	2674	}
dudmuck	0:8f0d0ae0a077	2675
dudmuck	0:8f0d0ae0a077	2676	memset1( ( uint8_t* ) &MlmeConfirm, 0, sizeof( MlmeConfirm ) );
dudmuck	0:8f0d0ae0a077	2677
dudmuck	2:f2d9aa163652	2678	MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_MLMEREQ;
dudmuck	0:8f0d0ae0a077	2679
dudmuck	0:8f0d0ae0a077	2680	switch( mlmeRequest->Type )
dudmuck	0:8f0d0ae0a077	2681	{
dudmuck	0:8f0d0ae0a077	2682	case MLME_JOIN:
dudmuck	0:8f0d0ae0a077	2683	{
dudmuck	0:8f0d0ae0a077	2684	if( ( LoRaMacState & LORAMAC_TX_DELAYED ) == LORAMAC_TX_DELAYED )
dudmuck	0:8f0d0ae0a077	2685	{
dudmuck	0:8f0d0ae0a077	2686	return LORAMAC_STATUS_BUSY;
dudmuck	0:8f0d0ae0a077	2687	}
dudmuck	0:8f0d0ae0a077	2688
dudmuck	0:8f0d0ae0a077	2689	if( ( mlmeRequest->Req.Join.DevEui == NULL ) \|\|
dudmuck	0:8f0d0ae0a077	2690	( mlmeRequest->Req.Join.AppEui == NULL ) \|\|
dudmuck	0:8f0d0ae0a077	2691	( mlmeRequest->Req.Join.AppKey == NULL ) \|\|
dudmuck	0:8f0d0ae0a077	2692	( mlmeRequest->Req.Join.NbTrials == 0 ) )
dudmuck	0:8f0d0ae0a077	2693	{
dudmuck	0:8f0d0ae0a077	2694	return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2695	}
dudmuck	0:8f0d0ae0a077	2696
dudmuck	0:8f0d0ae0a077	2697	// Enables at least the usage of all datarates.
dudmuck	0:8f0d0ae0a077	2698	if( mlmeRequest->Req.Join.NbTrials < 48 )
dudmuck	0:8f0d0ae0a077	2699	{
dudmuck	0:8f0d0ae0a077	2700	mlmeRequest->Req.Join.NbTrials = 48;
dudmuck	0:8f0d0ae0a077	2701	}
dudmuck	0:8f0d0ae0a077	2702
dudmuck	0:8f0d0ae0a077	2703	LoRaMacFlags.Bits.MlmeReq = 1;
dudmuck	0:8f0d0ae0a077	2704	MlmeConfirm.MlmeRequest = mlmeRequest->Type;
dudmuck	0:8f0d0ae0a077	2705
dudmuck	0:8f0d0ae0a077	2706	LoRaMacDevEui = mlmeRequest->Req.Join.DevEui;
dudmuck	0:8f0d0ae0a077	2707	LoRaMacAppEui = mlmeRequest->Req.Join.AppEui;
dudmuck	0:8f0d0ae0a077	2708	LoRaMacAppKey = mlmeRequest->Req.Join.AppKey;
dudmuck	0:8f0d0ae0a077	2709	MaxJoinRequestTrials = mlmeRequest->Req.Join.NbTrials;
dudmuck	0:8f0d0ae0a077	2710
dudmuck	0:8f0d0ae0a077	2711	// Reset variable JoinRequestTrials
dudmuck	0:8f0d0ae0a077	2712	JoinRequestTrials = 0;
dudmuck	0:8f0d0ae0a077	2713
dudmuck	0:8f0d0ae0a077	2714	// Setup header information
dudmuck	0:8f0d0ae0a077	2715	macHdr.Value = 0;
dudmuck	0:8f0d0ae0a077	2716	macHdr.Bits.MType = FRAME_TYPE_JOIN_REQ;
dudmuck	0:8f0d0ae0a077	2717
dudmuck	0:8f0d0ae0a077	2718	ResetMacParameters( );
dudmuck	0:8f0d0ae0a077	2719
dudmuck	0:8f0d0ae0a077	2720	Channel = 0; // start with first channel
dudmuck	1:53c30224eda8	2721	isr_printf("<ch0>");
dudmuck	1:53c30224eda8	2722
dudmuck	1:53c30224eda8	2723	isr_printf("mlme-join-send ch%u\r\n", Channel);
dudmuck	0:8f0d0ae0a077	2724	status = Send( &macHdr, 0, NULL, 0 );
dudmuck	0:8f0d0ae0a077	2725	break;
dudmuck	0:8f0d0ae0a077	2726	}
dudmuck	0:8f0d0ae0a077	2727	case MLME_LINK_CHECK:
dudmuck	0:8f0d0ae0a077	2728	{
dudmuck	0:8f0d0ae0a077	2729	LoRaMacFlags.Bits.MlmeReq = 1;
dudmuck	0:8f0d0ae0a077	2730	// LoRaMac will send this command piggy-pack
dudmuck	0:8f0d0ae0a077	2731	MlmeConfirm.MlmeRequest = mlmeRequest->Type;
dudmuck	0:8f0d0ae0a077	2732
dudmuck	0:8f0d0ae0a077	2733	status = AddMacCommand( MOTE_MAC_LINK_CHECK_REQ, 0, 0 );
dudmuck	0:8f0d0ae0a077	2734	break;
dudmuck	0:8f0d0ae0a077	2735	}
dudmuck	0:8f0d0ae0a077	2736	case MLME_TXCW:
dudmuck	0:8f0d0ae0a077	2737	{
dudmuck	0:8f0d0ae0a077	2738	MlmeConfirm.MlmeRequest = mlmeRequest->Type;
dudmuck	0:8f0d0ae0a077	2739	LoRaMacFlags.Bits.MlmeReq = 1;
dudmuck	0:8f0d0ae0a077	2740	status = SetTxContinuousWave( mlmeRequest->Req.TxCw.Timeout );
dudmuck	0:8f0d0ae0a077	2741	break;
dudmuck	0:8f0d0ae0a077	2742	}
dudmuck	0:8f0d0ae0a077	2743	case MLME_TXCW_1:
dudmuck	0:8f0d0ae0a077	2744	{
dudmuck	0:8f0d0ae0a077	2745	MlmeConfirm.MlmeRequest = mlmeRequest->Type;
dudmuck	0:8f0d0ae0a077	2746	LoRaMacFlags.Bits.MlmeReq = 1;
dudmuck	0:8f0d0ae0a077	2747	status = SetTxContinuousWave1( mlmeRequest->Req.TxCw.Timeout, mlmeRequest->Req.TxCw.Frequency, mlmeRequest->Req.TxCw.Power );
dudmuck	0:8f0d0ae0a077	2748	break;
dudmuck	0:8f0d0ae0a077	2749	}
dudmuck	0:8f0d0ae0a077	2750	default:
dudmuck	0:8f0d0ae0a077	2751	break;
dudmuck	0:8f0d0ae0a077	2752	}
dudmuck	0:8f0d0ae0a077	2753
dudmuck	0:8f0d0ae0a077	2754	if( status != LORAMAC_STATUS_OK )
dudmuck	0:8f0d0ae0a077	2755	{
dudmuck	0:8f0d0ae0a077	2756	NodeAckRequested = false;
dudmuck	0:8f0d0ae0a077	2757	LoRaMacFlags.Bits.MlmeReq = 0;
dudmuck	0:8f0d0ae0a077	2758	}
dudmuck	0:8f0d0ae0a077	2759
dudmuck	0:8f0d0ae0a077	2760	return status;
dudmuck	0:8f0d0ae0a077	2761	}
dudmuck	0:8f0d0ae0a077	2762
dudmuck	0:8f0d0ae0a077	2763	LoRaMacStatus_t LoRaMacMcpsRequest( McpsReq_t *mcpsRequest )
dudmuck	0:8f0d0ae0a077	2764	{
dudmuck	0:8f0d0ae0a077	2765	LoRaMacStatus_t status = LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck	0:8f0d0ae0a077	2766	LoRaMacHeader_t macHdr;
dudmuck	0:8f0d0ae0a077	2767	uint8_t fPort = 0;
dudmuck	0:8f0d0ae0a077	2768	void *fBuffer;
dudmuck	0:8f0d0ae0a077	2769	uint16_t fBufferSize;
dudmuck	0:8f0d0ae0a077	2770	bool readyToSend = false;
dudmuck	0:8f0d0ae0a077	2771
dudmuck	0:8f0d0ae0a077	2772	if( mcpsRequest == NULL )
dudmuck	0:8f0d0ae0a077	2773	{
dudmuck	0:8f0d0ae0a077	2774	return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck	0:8f0d0ae0a077	2775	}
dudmuck	0:8f0d0ae0a077	2776	if( ( ( LoRaMacState & LORAMAC_TX_RUNNING ) == LORAMAC_TX_RUNNING ) \|\|
dudmuck	0:8f0d0ae0a077	2777	( ( LoRaMacState & LORAMAC_TX_DELAYED ) == LORAMAC_TX_DELAYED ) )
dudmuck	0:8f0d0ae0a077	2778	{
dudmuck	0:8f0d0ae0a077	2779	return LORAMAC_STATUS_BUSY;
dudmuck	0:8f0d0ae0a077	2780	}
dudmuck	0:8f0d0ae0a077	2781
dudmuck	0:8f0d0ae0a077	2782	macHdr.Value = 0;
dudmuck	0:8f0d0ae0a077	2783	memset1 ( ( uint8_t* ) &McpsConfirm, 0, sizeof( McpsConfirm ) );
dudmuck	2:f2d9aa163652	2784	McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_MCPSREQ;
dudmuck	0:8f0d0ae0a077	2785
dudmuck	0:8f0d0ae0a077	2786	switch( mcpsRequest->Type )
dudmuck	0:8f0d0ae0a077	2787	{
dudmuck	0:8f0d0ae0a077	2788	case MCPS_UNCONFIRMED:
dudmuck	0:8f0d0ae0a077	2789	{
dudmuck	0:8f0d0ae0a077	2790	readyToSend = true;
dudmuck	0:8f0d0ae0a077	2791
dudmuck	0:8f0d0ae0a077	2792	macHdr.Bits.MType = FRAME_TYPE_DATA_UNCONFIRMED_UP;
dudmuck	0:8f0d0ae0a077	2793	fPort = mcpsRequest->Req.Unconfirmed.fPort;
dudmuck	0:8f0d0ae0a077	2794	fBuffer = mcpsRequest->Req.Unconfirmed.fBuffer;
dudmuck	0:8f0d0ae0a077	2795	fBufferSize = mcpsRequest->Req.Unconfirmed.fBufferSize;
dudmuck	0:8f0d0ae0a077	2796	break;
dudmuck	0:8f0d0ae0a077	2797	}
dudmuck	0:8f0d0ae0a077	2798	case MCPS_CONFIRMED:
dudmuck	0:8f0d0ae0a077	2799	{
dudmuck	0:8f0d0ae0a077	2800	readyToSend = true;
dudmuck	0:8f0d0ae0a077	2801
dudmuck	0:8f0d0ae0a077	2802	macHdr.Bits.MType = FRAME_TYPE_DATA_CONFIRMED_UP;
dudmuck	0:8f0d0ae0a077	2803	fPort = mcpsRequest->Req.Confirmed.fPort;
dudmuck	0:8f0d0ae0a077	2804	fBuffer = mcpsRequest->Req.Confirmed.fBuffer;
dudmuck	0:8f0d0ae0a077	2805	fBufferSize = mcpsRequest->Req.Confirmed.fBufferSize;
dudmuck	0:8f0d0ae0a077	2806	break;
dudmuck	0:8f0d0ae0a077	2807	}
dudmuck	0:8f0d0ae0a077	2808	case MCPS_PROPRIETARY:
dudmuck	0:8f0d0ae0a077	2809	{
dudmuck	0:8f0d0ae0a077	2810	readyToSend = true;
dudmuck	0:8f0d0ae0a077	2811
dudmuck	0:8f0d0ae0a077	2812	macHdr.Bits.MType = FRAME_TYPE_PROPRIETARY;
dudmuck	0:8f0d0ae0a077	2813	fBuffer = mcpsRequest->Req.Proprietary.fBuffer;
dudmuck	0:8f0d0ae0a077	2814	fBufferSize = mcpsRequest->Req.Proprietary.fBufferSize;
dudmuck	0:8f0d0ae0a077	2815	break;
dudmuck	0:8f0d0ae0a077	2816	}
dudmuck	0:8f0d0ae0a077	2817	default:
dudmuck	0:8f0d0ae0a077	2818	break;
dudmuck	0:8f0d0ae0a077	2819	}
dudmuck	0:8f0d0ae0a077	2820
dudmuck	0:8f0d0ae0a077	2821	if( readyToSend == true )
dudmuck	0:8f0d0ae0a077	2822	{
dudmuck	0:8f0d0ae0a077	2823	status = Send( &macHdr, fPort, fBuffer, fBufferSize );
dudmuck	0:8f0d0ae0a077	2824	if( status == LORAMAC_STATUS_OK )
dudmuck	0:8f0d0ae0a077	2825	{
dudmuck	0:8f0d0ae0a077	2826	McpsConfirm.McpsRequest = mcpsRequest->Type;
dudmuck	0:8f0d0ae0a077	2827	LoRaMacFlags.Bits.McpsReq = 1;
dudmuck	0:8f0d0ae0a077	2828	}
dudmuck	0:8f0d0ae0a077	2829	else
dudmuck	0:8f0d0ae0a077	2830	{
dudmuck	0:8f0d0ae0a077	2831	NodeAckRequested = false;
dudmuck	0:8f0d0ae0a077	2832	}
dudmuck	0:8f0d0ae0a077	2833	}
dudmuck	0:8f0d0ae0a077	2834
dudmuck	0:8f0d0ae0a077	2835	return status;
dudmuck	0:8f0d0ae0a077	2836	}
dudmuck	0:8f0d0ae0a077	2837
dudmuck	0:8f0d0ae0a077	2838	void LoRaMacTestRxWindowsOn( bool enable )
dudmuck	0:8f0d0ae0a077	2839	{
dudmuck	0:8f0d0ae0a077	2840	IsRxWindowsEnabled = enable;
dudmuck	0:8f0d0ae0a077	2841	}
dudmuck	0:8f0d0ae0a077	2842
dudmuck	0:8f0d0ae0a077	2843	void LoRaMacTestSetMic( uint16_t txPacketCounter )
dudmuck	0:8f0d0ae0a077	2844	{
dudmuck	0:8f0d0ae0a077	2845	UpLinkCounter = txPacketCounter;
dudmuck	0:8f0d0ae0a077	2846	IsUpLinkCounterFixed = true;
dudmuck	0:8f0d0ae0a077	2847	}
dudmuck	0:8f0d0ae0a077	2848
dudmuck	0:8f0d0ae0a077	2849	void LoRaMacTestSetChannel( uint8_t channel )
dudmuck	0:8f0d0ae0a077	2850	{
dudmuck	1:53c30224eda8	2851	isr_printf("set-testch%u\r\n", channel);
dudmuck	0:8f0d0ae0a077	2852	Channel = channel;
dudmuck	0:8f0d0ae0a077	2853	}
dudmuck	0:8f0d0ae0a077	2854
dudmuck	0:8f0d0ae0a077	2855
dudmuck	0:8f0d0ae0a077	2856	static RxConfigParams_t ComputeRxWindowParameters( int8_t datarate, uint32_t rxError )
dudmuck	0:8f0d0ae0a077	2857	{
dudmuck	0:8f0d0ae0a077	2858	RxConfigParams_t rxConfigParams = { 0, 0, 0, 0 };
dudmuck	0:8f0d0ae0a077	2859	double tSymbol = 0.0;
dudmuck	0:8f0d0ae0a077	2860
dudmuck	0:8f0d0ae0a077	2861	rxConfigParams.Datarate = datarate;
dudmuck	0:8f0d0ae0a077	2862	switch( Bandwidths[datarate] )
dudmuck	0:8f0d0ae0a077	2863	{
dudmuck	0:8f0d0ae0a077	2864	default:
dudmuck	0:8f0d0ae0a077	2865	case 125000:
dudmuck	0:8f0d0ae0a077	2866	rxConfigParams.Bandwidth = 0;
dudmuck	0:8f0d0ae0a077	2867	break;
dudmuck	0:8f0d0ae0a077	2868	case 250000:
dudmuck	0:8f0d0ae0a077	2869	rxConfigParams.Bandwidth = 1;
dudmuck	0:8f0d0ae0a077	2870	break;
dudmuck	0:8f0d0ae0a077	2871	case 500000:
dudmuck	0:8f0d0ae0a077	2872	rxConfigParams.Bandwidth = 2;
dudmuck	0:8f0d0ae0a077	2873	break;
dudmuck	0:8f0d0ae0a077	2874	}
dudmuck	0:8f0d0ae0a077	2875
dudmuck	0:8f0d0ae0a077	2876	#if defined( USE_BAND_433 ) \|\| defined( USE_BAND_780 ) \|\| defined( USE_BAND_868 )
dudmuck	0:8f0d0ae0a077	2877	if( datarate == DR_7 )
dudmuck	0:8f0d0ae0a077	2878	{ // FSK
dudmuck	0:8f0d0ae0a077	2879	tSymbol = ( 1.0 / ( double )Datarates[datarate] ) * 8.0; // 1 symbol equals 1 byte
dudmuck	0:8f0d0ae0a077	2880	}
dudmuck	0:8f0d0ae0a077	2881	else
dudmuck	0:8f0d0ae0a077	2882	#endif
dudmuck	0:8f0d0ae0a077	2883	{ // LoRa
dudmuck	0:8f0d0ae0a077	2884	tSymbol = ( ( double )( 1 << Datarates[datarate] ) / ( double )Bandwidths[datarate] ) * 1e3;
dudmuck	0:8f0d0ae0a077	2885	}
dudmuck	0:8f0d0ae0a077	2886
dudmuck	0:8f0d0ae0a077	2887	rxConfigParams.RxWindowTimeout = MAX( ( uint32_t )ceil( ( ( 2 * LoRaMacParams.MinRxSymbols - 8 ) * tSymbol + 2 * rxError ) / tSymbol ), LoRaMacParams.MinRxSymbols ); // Computed number of symbols
dudmuck	0:8f0d0ae0a077	2888
dudmuck	0:8f0d0ae0a077	2889	rxConfigParams.RxOffset = ( int32_t )ceil( ( 4.0 * tSymbol ) - ( ( rxConfigParams.RxWindowTimeout * tSymbol ) / 2.0 ) - RADIO_WAKEUP_TIME );
dudmuck	0:8f0d0ae0a077	2890
dudmuck	0:8f0d0ae0a077	2891	return rxConfigParams;
dudmuck	0:8f0d0ae0a077	2892	}
dudmuck	0:8f0d0ae0a077	2893

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Type:	Program
Mbed OS support:	Mbed OS
Created:	17 May 2017
Imports:	241
Forks:	0
Commits:	36
Dependents:	0
Dependencies:	3
Followers:	7

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mac/LoRaMac.cpp@14:7ac0add1123e, 2017-07-10 (annotated)

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