20171208

Fork of LoRaWAN-lib by Semtech

Committer:
mluis
Date:
Tue Jul 05 13:24:54 2016 +0000
Revision:
7:c16969e0f70f
Parent:
6:d7a34ded7c87
Child:
8:26002607de9c
Synchronized with https://github.com/Lora-net/LoRaMac-node git revision 7a4aec588de628d864c364e9469ae45105fdbe26

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mluis 0:91d1a7783bb9 1 /*
mluis 0:91d1a7783bb9 2 / _____) _ | |
mluis 0:91d1a7783bb9 3 ( (____ _____ ____ _| |_ _____ ____| |__
mluis 0:91d1a7783bb9 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
mluis 0:91d1a7783bb9 5 _____) ) ____| | | || |_| ____( (___| | | |
mluis 0:91d1a7783bb9 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
mluis 0:91d1a7783bb9 7 (C)2013 Semtech
mluis 2:14a5d6ad92d5 8 ___ _____ _ ___ _ _____ ___ ___ ___ ___
mluis 2:14a5d6ad92d5 9 / __|_ _/_\ / __| |/ / __/ _ \| _ \/ __| __|
mluis 2:14a5d6ad92d5 10 \__ \ | |/ _ \ (__| ' <| _| (_) | / (__| _|
mluis 2:14a5d6ad92d5 11 |___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___|
mluis 2:14a5d6ad92d5 12 embedded.connectivity.solutions===============
mluis 0:91d1a7783bb9 13
mluis 0:91d1a7783bb9 14 Description: LoRa MAC layer implementation
mluis 0:91d1a7783bb9 15
mluis 0:91d1a7783bb9 16 License: Revised BSD License, see LICENSE.TXT file include in the project
mluis 0:91d1a7783bb9 17
mluis 2:14a5d6ad92d5 18 Maintainer: Miguel Luis ( Semtech ), Gregory Cristian ( Semtech ) and Daniel J├Ąckle ( STACKFORCE )
mluis 0:91d1a7783bb9 19 */
mluis 0:91d1a7783bb9 20 #include "board.h"
mluis 0:91d1a7783bb9 21
mluis 0:91d1a7783bb9 22 #include "LoRaMacCrypto.h"
mluis 0:91d1a7783bb9 23 #include "LoRaMac.h"
mluis 2:14a5d6ad92d5 24 #include "LoRaMacTest.h"
mluis 0:91d1a7783bb9 25
mluis 0:91d1a7783bb9 26 /*!
mluis 0:91d1a7783bb9 27 * Maximum PHY layer payload size
mluis 0:91d1a7783bb9 28 */
mluis 1:91e4e6c60d1e 29 #define LORAMAC_PHY_MAXPAYLOAD 255
mluis 1:91e4e6c60d1e 30
mluis 1:91e4e6c60d1e 31 /*!
mluis 1:91e4e6c60d1e 32 * Maximum MAC commands buffer size
mluis 1:91e4e6c60d1e 33 */
mluis 1:91e4e6c60d1e 34 #define LORA_MAC_COMMAND_MAX_LENGTH 15
mluis 0:91d1a7783bb9 35
mluis 0:91d1a7783bb9 36 /*!
mluis 4:37c12dbc8dc7 37 * FRMPayload overhead to be used when setting the Radio.SetMaxPayloadLength
mluis 4:37c12dbc8dc7 38 * in RxWindowSetup function.
mluis 4:37c12dbc8dc7 39 * Maximum PHYPayload = MaxPayloadOfDatarate/MaxPayloadOfDatarateRepeater + LORA_MAC_FRMPAYLOAD_OVERHEAD
mluis 4:37c12dbc8dc7 40 */
mluis 4:37c12dbc8dc7 41 #define LORA_MAC_FRMPAYLOAD_OVERHEAD 13 // MHDR(1) + FHDR(7) + Port(1) + MIC(4)
mluis 4:37c12dbc8dc7 42
mluis 4:37c12dbc8dc7 43 /*!
mluis 0:91d1a7783bb9 44 * Device IEEE EUI
mluis 0:91d1a7783bb9 45 */
mluis 0:91d1a7783bb9 46 static uint8_t *LoRaMacDevEui;
mluis 0:91d1a7783bb9 47
mluis 0:91d1a7783bb9 48 /*!
mluis 0:91d1a7783bb9 49 * Application IEEE EUI
mluis 0:91d1a7783bb9 50 */
mluis 0:91d1a7783bb9 51 static uint8_t *LoRaMacAppEui;
mluis 0:91d1a7783bb9 52
mluis 0:91d1a7783bb9 53 /*!
mluis 0:91d1a7783bb9 54 * AES encryption/decryption cipher application key
mluis 0:91d1a7783bb9 55 */
mluis 0:91d1a7783bb9 56 static uint8_t *LoRaMacAppKey;
mluis 0:91d1a7783bb9 57
mluis 0:91d1a7783bb9 58 /*!
mluis 0:91d1a7783bb9 59 * AES encryption/decryption cipher network session key
mluis 0:91d1a7783bb9 60 */
mluis 0:91d1a7783bb9 61 static uint8_t LoRaMacNwkSKey[] =
mluis 0:91d1a7783bb9 62 {
mluis 0:91d1a7783bb9 63 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
mluis 0:91d1a7783bb9 64 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
mluis 0:91d1a7783bb9 65 };
mluis 0:91d1a7783bb9 66
mluis 0:91d1a7783bb9 67 /*!
mluis 0:91d1a7783bb9 68 * AES encryption/decryption cipher application session key
mluis 0:91d1a7783bb9 69 */
mluis 0:91d1a7783bb9 70 static uint8_t LoRaMacAppSKey[] =
mluis 0:91d1a7783bb9 71 {
mluis 0:91d1a7783bb9 72 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
mluis 0:91d1a7783bb9 73 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
mluis 0:91d1a7783bb9 74 };
mluis 0:91d1a7783bb9 75
mluis 0:91d1a7783bb9 76 /*!
mluis 0:91d1a7783bb9 77 * Device nonce is a random value extracted by issuing a sequence of RSSI
mluis 0:91d1a7783bb9 78 * measurements
mluis 0:91d1a7783bb9 79 */
mluis 0:91d1a7783bb9 80 static uint16_t LoRaMacDevNonce;
mluis 0:91d1a7783bb9 81
mluis 0:91d1a7783bb9 82 /*!
mluis 0:91d1a7783bb9 83 * Network ID ( 3 bytes )
mluis 0:91d1a7783bb9 84 */
mluis 0:91d1a7783bb9 85 static uint32_t LoRaMacNetID;
mluis 0:91d1a7783bb9 86
mluis 0:91d1a7783bb9 87 /*!
mluis 0:91d1a7783bb9 88 * Mote Address
mluis 0:91d1a7783bb9 89 */
mluis 0:91d1a7783bb9 90 static uint32_t LoRaMacDevAddr;
mluis 0:91d1a7783bb9 91
mluis 0:91d1a7783bb9 92 /*!
mluis 2:14a5d6ad92d5 93 * Multicast channels linked list
mluis 0:91d1a7783bb9 94 */
mluis 0:91d1a7783bb9 95 static MulticastParams_t *MulticastChannels = NULL;
mluis 0:91d1a7783bb9 96
mluis 0:91d1a7783bb9 97 /*!
mluis 0:91d1a7783bb9 98 * Actual device class
mluis 0:91d1a7783bb9 99 */
mluis 0:91d1a7783bb9 100 static DeviceClass_t LoRaMacDeviceClass;
mluis 0:91d1a7783bb9 101
mluis 0:91d1a7783bb9 102 /*!
mluis 0:91d1a7783bb9 103 * Indicates if the node is connected to a private or public network
mluis 0:91d1a7783bb9 104 */
mluis 0:91d1a7783bb9 105 static bool PublicNetwork;
mluis 0:91d1a7783bb9 106
mluis 0:91d1a7783bb9 107 /*!
mluis 0:91d1a7783bb9 108 * Indicates if the node supports repeaters
mluis 0:91d1a7783bb9 109 */
mluis 0:91d1a7783bb9 110 static bool RepeaterSupport;
mluis 0:91d1a7783bb9 111
mluis 0:91d1a7783bb9 112 /*!
mluis 0:91d1a7783bb9 113 * Buffer containing the data to be sent or received.
mluis 0:91d1a7783bb9 114 */
mluis 0:91d1a7783bb9 115 static uint8_t LoRaMacBuffer[LORAMAC_PHY_MAXPAYLOAD];
mluis 0:91d1a7783bb9 116
mluis 0:91d1a7783bb9 117 /*!
mluis 0:91d1a7783bb9 118 * Length of packet in LoRaMacBuffer
mluis 0:91d1a7783bb9 119 */
mluis 0:91d1a7783bb9 120 static uint16_t LoRaMacBufferPktLen = 0;
mluis 0:91d1a7783bb9 121
mluis 0:91d1a7783bb9 122 /*!
mluis 0:91d1a7783bb9 123 * Buffer containing the upper layer data.
mluis 0:91d1a7783bb9 124 */
mluis 0:91d1a7783bb9 125 static uint8_t LoRaMacPayload[LORAMAC_PHY_MAXPAYLOAD];
mluis 0:91d1a7783bb9 126 static uint8_t LoRaMacRxPayload[LORAMAC_PHY_MAXPAYLOAD];
mluis 0:91d1a7783bb9 127
mluis 0:91d1a7783bb9 128 /*!
mluis 0:91d1a7783bb9 129 * LoRaMAC frame counter. Each time a packet is sent the counter is incremented.
mluis 0:91d1a7783bb9 130 * Only the 16 LSB bits are sent
mluis 0:91d1a7783bb9 131 */
mluis 0:91d1a7783bb9 132 static uint32_t UpLinkCounter = 1;
mluis 0:91d1a7783bb9 133
mluis 0:91d1a7783bb9 134 /*!
mluis 0:91d1a7783bb9 135 * LoRaMAC frame counter. Each time a packet is received the counter is incremented.
mluis 0:91d1a7783bb9 136 * Only the 16 LSB bits are received
mluis 0:91d1a7783bb9 137 */
mluis 0:91d1a7783bb9 138 static uint32_t DownLinkCounter = 0;
mluis 0:91d1a7783bb9 139
mluis 0:91d1a7783bb9 140 /*!
mluis 0:91d1a7783bb9 141 * IsPacketCounterFixed enables the MIC field tests by fixing the
mluis 0:91d1a7783bb9 142 * UpLinkCounter value
mluis 0:91d1a7783bb9 143 */
mluis 0:91d1a7783bb9 144 static bool IsUpLinkCounterFixed = false;
mluis 0:91d1a7783bb9 145
mluis 0:91d1a7783bb9 146 /*!
mluis 0:91d1a7783bb9 147 * Used for test purposes. Disables the opening of the reception windows.
mluis 0:91d1a7783bb9 148 */
mluis 0:91d1a7783bb9 149 static bool IsRxWindowsEnabled = true;
mluis 0:91d1a7783bb9 150
mluis 0:91d1a7783bb9 151 /*!
mluis 0:91d1a7783bb9 152 * Indicates if the MAC layer has already joined a network.
mluis 0:91d1a7783bb9 153 */
mluis 0:91d1a7783bb9 154 static bool IsLoRaMacNetworkJoined = false;
mluis 0:91d1a7783bb9 155
mluis 0:91d1a7783bb9 156 /*!
mluis 0:91d1a7783bb9 157 * LoRaMac ADR control status
mluis 0:91d1a7783bb9 158 */
mluis 0:91d1a7783bb9 159 static bool AdrCtrlOn = false;
mluis 0:91d1a7783bb9 160
mluis 0:91d1a7783bb9 161 /*!
mluis 0:91d1a7783bb9 162 * Counts the number of missed ADR acknowledgements
mluis 0:91d1a7783bb9 163 */
mluis 0:91d1a7783bb9 164 static uint32_t AdrAckCounter = 0;
mluis 0:91d1a7783bb9 165
mluis 0:91d1a7783bb9 166 /*!
mluis 0:91d1a7783bb9 167 * If the node has sent a FRAME_TYPE_DATA_CONFIRMED_UP this variable indicates
mluis 0:91d1a7783bb9 168 * if the nodes needs to manage the server acknowledgement.
mluis 0:91d1a7783bb9 169 */
mluis 0:91d1a7783bb9 170 static bool NodeAckRequested = false;
mluis 0:91d1a7783bb9 171
mluis 0:91d1a7783bb9 172 /*!
mluis 0:91d1a7783bb9 173 * If the server has sent a FRAME_TYPE_DATA_CONFIRMED_DOWN this variable indicates
mluis 0:91d1a7783bb9 174 * if the ACK bit must be set for the next transmission
mluis 0:91d1a7783bb9 175 */
mluis 0:91d1a7783bb9 176 static bool SrvAckRequested = false;
mluis 0:91d1a7783bb9 177
mluis 0:91d1a7783bb9 178 /*!
mluis 0:91d1a7783bb9 179 * Indicates if the MAC layer wants to send MAC commands
mluis 0:91d1a7783bb9 180 */
mluis 0:91d1a7783bb9 181 static bool MacCommandsInNextTx = false;
mluis 0:91d1a7783bb9 182
mluis 0:91d1a7783bb9 183 /*!
mluis 0:91d1a7783bb9 184 * Contains the current MacCommandsBuffer index
mluis 0:91d1a7783bb9 185 */
mluis 0:91d1a7783bb9 186 static uint8_t MacCommandsBufferIndex = 0;
mluis 0:91d1a7783bb9 187
mluis 0:91d1a7783bb9 188 /*!
mluis 7:c16969e0f70f 189 * Contains the current MacCommandsBuffer index for MAC commands to repeat
mluis 7:c16969e0f70f 190 */
mluis 7:c16969e0f70f 191 static uint8_t MacCommandsBufferToRepeatIndex = 0;
mluis 7:c16969e0f70f 192
mluis 7:c16969e0f70f 193 /*!
mluis 0:91d1a7783bb9 194 * Buffer containing the MAC layer commands
mluis 0:91d1a7783bb9 195 */
mluis 1:91e4e6c60d1e 196 static uint8_t MacCommandsBuffer[LORA_MAC_COMMAND_MAX_LENGTH];
mluis 0:91d1a7783bb9 197
mluis 7:c16969e0f70f 198 /*!
mluis 7:c16969e0f70f 199 * Buffer containing the MAC layer commands which must be repeated
mluis 7:c16969e0f70f 200 */
mluis 7:c16969e0f70f 201 static uint8_t MacCommandsBufferToRepeat[LORA_MAC_COMMAND_MAX_LENGTH];
mluis 7:c16969e0f70f 202
mluis 0:91d1a7783bb9 203 #if defined( USE_BAND_433 )
mluis 0:91d1a7783bb9 204 /*!
mluis 0:91d1a7783bb9 205 * Data rates table definition
mluis 0:91d1a7783bb9 206 */
mluis 0:91d1a7783bb9 207 const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
mluis 0:91d1a7783bb9 208
mluis 0:91d1a7783bb9 209 /*!
mluis 0:91d1a7783bb9 210 * Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis 0:91d1a7783bb9 211 */
mluis 0:91d1a7783bb9 212 const uint8_t MaxPayloadOfDatarate[] = { 59, 59, 59, 123, 250, 250, 250, 250 };
mluis 0:91d1a7783bb9 213
mluis 0:91d1a7783bb9 214 /*!
mluis 0:91d1a7783bb9 215 * Maximum payload with respect to the datarate index. Can operate with repeater.
mluis 0:91d1a7783bb9 216 */
mluis 0:91d1a7783bb9 217 const uint8_t MaxPayloadOfDatarateRepeater[] = { 59, 59, 59, 123, 230, 230, 230, 230 };
mluis 0:91d1a7783bb9 218
mluis 0:91d1a7783bb9 219 /*!
mluis 0:91d1a7783bb9 220 * Tx output powers table definition
mluis 0:91d1a7783bb9 221 */
mluis 0:91d1a7783bb9 222 const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 };
mluis 0:91d1a7783bb9 223
mluis 0:91d1a7783bb9 224 /*!
mluis 0:91d1a7783bb9 225 * LoRaMac bands
mluis 0:91d1a7783bb9 226 */
mluis 0:91d1a7783bb9 227 static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis 0:91d1a7783bb9 228 {
mluis 0:91d1a7783bb9 229 BAND0,
mluis 0:91d1a7783bb9 230 };
mluis 0:91d1a7783bb9 231
mluis 0:91d1a7783bb9 232 /*!
mluis 0:91d1a7783bb9 233 * LoRaMAC channels
mluis 0:91d1a7783bb9 234 */
mluis 0:91d1a7783bb9 235 static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
mluis 0:91d1a7783bb9 236 {
mluis 0:91d1a7783bb9 237 LC1,
mluis 0:91d1a7783bb9 238 LC2,
mluis 0:91d1a7783bb9 239 LC3,
mluis 0:91d1a7783bb9 240 };
mluis 0:91d1a7783bb9 241 #elif defined( USE_BAND_780 )
mluis 0:91d1a7783bb9 242 /*!
mluis 0:91d1a7783bb9 243 * Data rates table definition
mluis 0:91d1a7783bb9 244 */
mluis 0:91d1a7783bb9 245 const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
mluis 0:91d1a7783bb9 246
mluis 0:91d1a7783bb9 247 /*!
mluis 0:91d1a7783bb9 248 * Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis 0:91d1a7783bb9 249 */
mluis 0:91d1a7783bb9 250 const uint8_t MaxPayloadOfDatarate[] = { 59, 59, 59, 123, 250, 250, 250, 250 };
mluis 0:91d1a7783bb9 251
mluis 0:91d1a7783bb9 252 /*!
mluis 0:91d1a7783bb9 253 * Maximum payload with respect to the datarate index. Can operate with repeater.
mluis 0:91d1a7783bb9 254 */
mluis 0:91d1a7783bb9 255 const uint8_t MaxPayloadOfDatarateRepeater[] = { 59, 59, 59, 123, 230, 230, 230, 230 };
mluis 0:91d1a7783bb9 256
mluis 0:91d1a7783bb9 257 /*!
mluis 0:91d1a7783bb9 258 * Tx output powers table definition
mluis 0:91d1a7783bb9 259 */
mluis 0:91d1a7783bb9 260 const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 };
mluis 0:91d1a7783bb9 261
mluis 0:91d1a7783bb9 262 /*!
mluis 0:91d1a7783bb9 263 * LoRaMac bands
mluis 0:91d1a7783bb9 264 */
mluis 0:91d1a7783bb9 265 static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis 0:91d1a7783bb9 266 {
mluis 0:91d1a7783bb9 267 BAND0,
mluis 0:91d1a7783bb9 268 };
mluis 0:91d1a7783bb9 269
mluis 0:91d1a7783bb9 270 /*!
mluis 0:91d1a7783bb9 271 * LoRaMAC channels
mluis 0:91d1a7783bb9 272 */
mluis 0:91d1a7783bb9 273 static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
mluis 0:91d1a7783bb9 274 {
mluis 0:91d1a7783bb9 275 LC1,
mluis 0:91d1a7783bb9 276 LC2,
mluis 0:91d1a7783bb9 277 LC3,
mluis 0:91d1a7783bb9 278 };
mluis 0:91d1a7783bb9 279 #elif defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 280 /*!
mluis 0:91d1a7783bb9 281 * Data rates table definition
mluis 0:91d1a7783bb9 282 */
mluis 0:91d1a7783bb9 283 const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
mluis 0:91d1a7783bb9 284
mluis 0:91d1a7783bb9 285 /*!
mluis 0:91d1a7783bb9 286 * Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis 0:91d1a7783bb9 287 */
mluis 0:91d1a7783bb9 288 const uint8_t MaxPayloadOfDatarate[] = { 51, 51, 51, 115, 242, 242, 242, 242 };
mluis 0:91d1a7783bb9 289
mluis 0:91d1a7783bb9 290 /*!
mluis 0:91d1a7783bb9 291 * Maximum payload with respect to the datarate index. Can operate with repeater.
mluis 0:91d1a7783bb9 292 */
mluis 0:91d1a7783bb9 293 const uint8_t MaxPayloadOfDatarateRepeater[] = { 51, 51, 51, 115, 222, 222, 222, 222 };
mluis 0:91d1a7783bb9 294
mluis 0:91d1a7783bb9 295 /*!
mluis 0:91d1a7783bb9 296 * Tx output powers table definition
mluis 0:91d1a7783bb9 297 */
mluis 0:91d1a7783bb9 298 const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 };
mluis 0:91d1a7783bb9 299
mluis 0:91d1a7783bb9 300 /*!
mluis 0:91d1a7783bb9 301 * LoRaMac bands
mluis 0:91d1a7783bb9 302 */
mluis 0:91d1a7783bb9 303 static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis 0:91d1a7783bb9 304 {
mluis 0:91d1a7783bb9 305 BAND0,
mluis 0:91d1a7783bb9 306 BAND1,
mluis 0:91d1a7783bb9 307 BAND2,
mluis 0:91d1a7783bb9 308 BAND3,
mluis 0:91d1a7783bb9 309 BAND4,
mluis 0:91d1a7783bb9 310 };
mluis 0:91d1a7783bb9 311
mluis 0:91d1a7783bb9 312 /*!
mluis 0:91d1a7783bb9 313 * LoRaMAC channels
mluis 0:91d1a7783bb9 314 */
mluis 0:91d1a7783bb9 315 static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
mluis 0:91d1a7783bb9 316 {
mluis 0:91d1a7783bb9 317 LC1,
mluis 0:91d1a7783bb9 318 LC2,
mluis 0:91d1a7783bb9 319 LC3,
mluis 0:91d1a7783bb9 320 };
mluis 0:91d1a7783bb9 321 #elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 322 /*!
mluis 0:91d1a7783bb9 323 * Data rates table definition
mluis 0:91d1a7783bb9 324 */
mluis 0:91d1a7783bb9 325 const uint8_t Datarates[] = { 10, 9, 8, 7, 8, 0, 0, 0, 12, 11, 10, 9, 8, 7, 0, 0 };
mluis 0:91d1a7783bb9 326
mluis 0:91d1a7783bb9 327 /*!
mluis 0:91d1a7783bb9 328 * Up/Down link data rates offset definition
mluis 0:91d1a7783bb9 329 */
mluis 2:14a5d6ad92d5 330 const int8_t datarateOffsets[16][4] =
mluis 0:91d1a7783bb9 331 {
mluis 0:91d1a7783bb9 332 { DR_10, DR_9 , DR_8 , DR_8 }, // DR_0
mluis 0:91d1a7783bb9 333 { DR_11, DR_10, DR_9 , DR_8 }, // DR_1
mluis 0:91d1a7783bb9 334 { DR_12, DR_11, DR_10, DR_9 }, // DR_2
mluis 0:91d1a7783bb9 335 { DR_13, DR_12, DR_11, DR_10 }, // DR_3
mluis 0:91d1a7783bb9 336 { DR_13, DR_13, DR_12, DR_11 }, // DR_4
mluis 0:91d1a7783bb9 337 };
mluis 0:91d1a7783bb9 338
mluis 0:91d1a7783bb9 339 /*!
mluis 0:91d1a7783bb9 340 * Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis 0:91d1a7783bb9 341 */
mluis 7:c16969e0f70f 342 const uint8_t MaxPayloadOfDatarate[] = { 11, 53, 125, 242, 242, 0, 0, 0, 53, 129, 242, 242, 242, 242, 0, 0 };
mluis 0:91d1a7783bb9 343
mluis 0:91d1a7783bb9 344 /*!
mluis 0:91d1a7783bb9 345 * Maximum payload with respect to the datarate index. Can operate with repeater.
mluis 0:91d1a7783bb9 346 */
mluis 7:c16969e0f70f 347 const uint8_t MaxPayloadOfDatarateRepeater[] = { 11, 53, 125, 242, 242, 0, 0, 0, 33, 109, 222, 222, 222, 222, 0, 0 };
mluis 0:91d1a7783bb9 348
mluis 0:91d1a7783bb9 349 /*!
mluis 0:91d1a7783bb9 350 * Tx output powers table definition
mluis 0:91d1a7783bb9 351 */
mluis 0:91d1a7783bb9 352 const int8_t TxPowers[] = { 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10 };
mluis 0:91d1a7783bb9 353
mluis 0:91d1a7783bb9 354 /*!
mluis 0:91d1a7783bb9 355 * LoRaMac bands
mluis 0:91d1a7783bb9 356 */
mluis 0:91d1a7783bb9 357 static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis 0:91d1a7783bb9 358 {
mluis 0:91d1a7783bb9 359 BAND0,
mluis 0:91d1a7783bb9 360 };
mluis 0:91d1a7783bb9 361
mluis 0:91d1a7783bb9 362 /*!
mluis 0:91d1a7783bb9 363 * LoRaMAC channels
mluis 0:91d1a7783bb9 364 */
mluis 0:91d1a7783bb9 365 static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS];
mluis 0:91d1a7783bb9 366
mluis 2:14a5d6ad92d5 367 /*!
mluis 2:14a5d6ad92d5 368 * Contains the channels which remain to be applied.
mluis 2:14a5d6ad92d5 369 */
mluis 2:14a5d6ad92d5 370 static uint16_t ChannelsMaskRemaining[6];
mluis 7:c16969e0f70f 371
mluis 7:c16969e0f70f 372 /*!
mluis 7:c16969e0f70f 373 * Defines the first channel for RX window 2 for US band
mluis 7:c16969e0f70f 374 */
mluis 7:c16969e0f70f 375 #define LORAMAC_FIRST_RX2_CHANNEL ( (uint32_t) 923.3e6 )
mluis 7:c16969e0f70f 376
mluis 7:c16969e0f70f 377 /*!
mluis 7:c16969e0f70f 378 * Defines the last channel for RX window 2 for US band
mluis 7:c16969e0f70f 379 */
mluis 7:c16969e0f70f 380 #define LORAMAC_LAST_RX2_CHANNEL ( (uint32_t) 927.5e6 )
mluis 7:c16969e0f70f 381
mluis 7:c16969e0f70f 382 /*!
mluis 7:c16969e0f70f 383 * Defines the step width of the channels for RX window 2
mluis 7:c16969e0f70f 384 */
mluis 7:c16969e0f70f 385 #define LORAMAC_STEPWIDTH_RX2_CHANNEL ( (uint32_t) 600e3 )
mluis 7:c16969e0f70f 386
mluis 0:91d1a7783bb9 387 #else
mluis 0:91d1a7783bb9 388 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 389 #endif
mluis 0:91d1a7783bb9 390
mluis 0:91d1a7783bb9 391 /*!
mluis 7:c16969e0f70f 392 * LoRaMac parameters
mluis 0:91d1a7783bb9 393 */
mluis 7:c16969e0f70f 394 LoRaMacParams_t LoRaMacParams;
mluis 0:91d1a7783bb9 395
mluis 0:91d1a7783bb9 396 /*!
mluis 7:c16969e0f70f 397 * LoRaMac default parameters
mluis 0:91d1a7783bb9 398 */
mluis 7:c16969e0f70f 399 LoRaMacParams_t LoRaMacParamsDefaults;
mluis 0:91d1a7783bb9 400
mluis 0:91d1a7783bb9 401 /*!
mluis 0:91d1a7783bb9 402 * Uplink messages repetitions counter
mluis 0:91d1a7783bb9 403 */
mluis 0:91d1a7783bb9 404 static uint8_t ChannelsNbRepCounter = 0;
mluis 0:91d1a7783bb9 405
mluis 0:91d1a7783bb9 406 /*!
mluis 0:91d1a7783bb9 407 * Maximum duty cycle
mluis 0:91d1a7783bb9 408 * \remark Possibility to shutdown the device.
mluis 0:91d1a7783bb9 409 */
mluis 0:91d1a7783bb9 410 static uint8_t MaxDCycle = 0;
mluis 0:91d1a7783bb9 411
mluis 0:91d1a7783bb9 412 /*!
mluis 2:14a5d6ad92d5 413 * Aggregated duty cycle management
mluis 0:91d1a7783bb9 414 */
mluis 0:91d1a7783bb9 415 static uint16_t AggregatedDCycle;
mluis 0:91d1a7783bb9 416 static TimerTime_t AggregatedLastTxDoneTime;
mluis 0:91d1a7783bb9 417 static TimerTime_t AggregatedTimeOff;
mluis 0:91d1a7783bb9 418
mluis 0:91d1a7783bb9 419 /*!
mluis 0:91d1a7783bb9 420 * Enables/Disables duty cycle management (Test only)
mluis 0:91d1a7783bb9 421 */
mluis 0:91d1a7783bb9 422 static bool DutyCycleOn;
mluis 0:91d1a7783bb9 423
mluis 0:91d1a7783bb9 424 /*!
mluis 0:91d1a7783bb9 425 * Current channel index
mluis 0:91d1a7783bb9 426 */
mluis 0:91d1a7783bb9 427 static uint8_t Channel;
mluis 0:91d1a7783bb9 428
mluis 7:c16969e0f70f 429 /*!
mluis 7:c16969e0f70f 430 * Channel index of the last transmission
mluis 7:c16969e0f70f 431 */
mluis 4:37c12dbc8dc7 432 static uint8_t LastTxChannel;
mluis 4:37c12dbc8dc7 433
mluis 0:91d1a7783bb9 434 /*!
mluis 0:91d1a7783bb9 435 * LoRaMac internal states
mluis 0:91d1a7783bb9 436 */
mluis 2:14a5d6ad92d5 437 enum eLoRaMacState
mluis 0:91d1a7783bb9 438 {
mluis 0:91d1a7783bb9 439 MAC_IDLE = 0x00000000,
mluis 0:91d1a7783bb9 440 MAC_TX_RUNNING = 0x00000001,
mluis 0:91d1a7783bb9 441 MAC_RX = 0x00000002,
mluis 0:91d1a7783bb9 442 MAC_ACK_REQ = 0x00000004,
mluis 0:91d1a7783bb9 443 MAC_ACK_RETRY = 0x00000008,
mluis 2:14a5d6ad92d5 444 MAC_TX_DELAYED = 0x00000010,
mluis 3:b9d87593a8ae 445 MAC_TX_CONFIG = 0x00000020,
mluis 4:37c12dbc8dc7 446 MAC_RX_ABORT = 0x00000040,
mluis 0:91d1a7783bb9 447 };
mluis 0:91d1a7783bb9 448
mluis 0:91d1a7783bb9 449 /*!
mluis 0:91d1a7783bb9 450 * LoRaMac internal state
mluis 0:91d1a7783bb9 451 */
mluis 0:91d1a7783bb9 452 uint32_t LoRaMacState = MAC_IDLE;
mluis 0:91d1a7783bb9 453
mluis 0:91d1a7783bb9 454 /*!
mluis 0:91d1a7783bb9 455 * LoRaMac timer used to check the LoRaMacState (runs every second)
mluis 0:91d1a7783bb9 456 */
mluis 0:91d1a7783bb9 457 static TimerEvent_t MacStateCheckTimer;
mluis 0:91d1a7783bb9 458
mluis 0:91d1a7783bb9 459 /*!
mluis 0:91d1a7783bb9 460 * LoRaMac upper layer event functions
mluis 0:91d1a7783bb9 461 */
mluis 2:14a5d6ad92d5 462 static LoRaMacPrimitives_t *LoRaMacPrimitives;
mluis 0:91d1a7783bb9 463
mluis 0:91d1a7783bb9 464 /*!
mluis 2:14a5d6ad92d5 465 * LoRaMac upper layer callback functions
mluis 0:91d1a7783bb9 466 */
mluis 2:14a5d6ad92d5 467 static LoRaMacCallback_t *LoRaMacCallbacks;
mluis 0:91d1a7783bb9 468
mluis 0:91d1a7783bb9 469 /*!
mluis 2:14a5d6ad92d5 470 * Radio events function pointer
mluis 0:91d1a7783bb9 471 */
mluis 2:14a5d6ad92d5 472 static RadioEvents_t RadioEvents;
mluis 0:91d1a7783bb9 473
mluis 0:91d1a7783bb9 474 /*!
mluis 0:91d1a7783bb9 475 * LoRaMac duty cycle delayed Tx timer
mluis 0:91d1a7783bb9 476 */
mluis 0:91d1a7783bb9 477 static TimerEvent_t TxDelayedTimer;
mluis 0:91d1a7783bb9 478
mluis 0:91d1a7783bb9 479 /*!
mluis 0:91d1a7783bb9 480 * LoRaMac reception windows timers
mluis 0:91d1a7783bb9 481 */
mluis 0:91d1a7783bb9 482 static TimerEvent_t RxWindowTimer1;
mluis 0:91d1a7783bb9 483 static TimerEvent_t RxWindowTimer2;
mluis 0:91d1a7783bb9 484
mluis 0:91d1a7783bb9 485 /*!
mluis 0:91d1a7783bb9 486 * LoRaMac reception windows delay
mluis 0:91d1a7783bb9 487 * \remark normal frame: RxWindowXDelay = ReceiveDelayX - RADIO_WAKEUP_TIME
mluis 0:91d1a7783bb9 488 * join frame : RxWindowXDelay = JoinAcceptDelayX - RADIO_WAKEUP_TIME
mluis 0:91d1a7783bb9 489 */
mluis 0:91d1a7783bb9 490 static uint32_t RxWindow1Delay;
mluis 0:91d1a7783bb9 491 static uint32_t RxWindow2Delay;
mluis 0:91d1a7783bb9 492
mluis 0:91d1a7783bb9 493 /*!
mluis 0:91d1a7783bb9 494 * Acknowledge timeout timer. Used for packet retransmissions.
mluis 0:91d1a7783bb9 495 */
mluis 0:91d1a7783bb9 496 static TimerEvent_t AckTimeoutTimer;
mluis 0:91d1a7783bb9 497
mluis 0:91d1a7783bb9 498 /*!
mluis 0:91d1a7783bb9 499 * Number of trials to get a frame acknowledged
mluis 0:91d1a7783bb9 500 */
mluis 0:91d1a7783bb9 501 static uint8_t AckTimeoutRetries = 1;
mluis 0:91d1a7783bb9 502
mluis 0:91d1a7783bb9 503 /*!
mluis 0:91d1a7783bb9 504 * Number of trials to get a frame acknowledged
mluis 0:91d1a7783bb9 505 */
mluis 0:91d1a7783bb9 506 static uint8_t AckTimeoutRetriesCounter = 1;
mluis 0:91d1a7783bb9 507
mluis 0:91d1a7783bb9 508 /*!
mluis 0:91d1a7783bb9 509 * Indicates if the AckTimeout timer has expired or not
mluis 0:91d1a7783bb9 510 */
mluis 0:91d1a7783bb9 511 static bool AckTimeoutRetry = false;
mluis 0:91d1a7783bb9 512
mluis 0:91d1a7783bb9 513 /*!
mluis 0:91d1a7783bb9 514 * Last transmission time on air
mluis 0:91d1a7783bb9 515 */
mluis 0:91d1a7783bb9 516 TimerTime_t TxTimeOnAir = 0;
mluis 0:91d1a7783bb9 517
mluis 0:91d1a7783bb9 518 /*!
mluis 7:c16969e0f70f 519 * Number of trials for the Join Request
mluis 7:c16969e0f70f 520 */
mluis 7:c16969e0f70f 521 static uint16_t JoinRequestTrials;
mluis 7:c16969e0f70f 522
mluis 7:c16969e0f70f 523 /*!
mluis 2:14a5d6ad92d5 524 * Structure to hold an MCPS indication data.
mluis 2:14a5d6ad92d5 525 */
mluis 2:14a5d6ad92d5 526 static McpsIndication_t McpsIndication;
mluis 2:14a5d6ad92d5 527
mluis 2:14a5d6ad92d5 528 /*!
mluis 2:14a5d6ad92d5 529 * Structure to hold MCPS confirm data.
mluis 2:14a5d6ad92d5 530 */
mluis 2:14a5d6ad92d5 531 static McpsConfirm_t McpsConfirm;
mluis 2:14a5d6ad92d5 532
mluis 2:14a5d6ad92d5 533 /*!
mluis 2:14a5d6ad92d5 534 * Structure to hold MLME confirm data.
mluis 2:14a5d6ad92d5 535 */
mluis 2:14a5d6ad92d5 536 static MlmeConfirm_t MlmeConfirm;
mluis 2:14a5d6ad92d5 537
mluis 2:14a5d6ad92d5 538 /*!
mluis 2:14a5d6ad92d5 539 * Holds the current rx window slot
mluis 2:14a5d6ad92d5 540 */
mluis 2:14a5d6ad92d5 541 static uint8_t RxSlot = 0;
mluis 2:14a5d6ad92d5 542
mluis 2:14a5d6ad92d5 543 /*!
mluis 2:14a5d6ad92d5 544 * LoRaMac tx/rx operation state
mluis 2:14a5d6ad92d5 545 */
mluis 2:14a5d6ad92d5 546 LoRaMacFlags_t LoRaMacFlags;
mluis 2:14a5d6ad92d5 547
mluis 2:14a5d6ad92d5 548 /*!
mluis 2:14a5d6ad92d5 549 * \brief Function to be executed on Radio Tx Done event
mluis 0:91d1a7783bb9 550 */
mluis 0:91d1a7783bb9 551 static void OnRadioTxDone( void );
mluis 0:91d1a7783bb9 552
mluis 0:91d1a7783bb9 553 /*!
mluis 3:b9d87593a8ae 554 * \brief This function prepares the MAC to abort the execution of function
mluis 3:b9d87593a8ae 555 * OnRadioRxDone in case of a reception error.
mluis 3:b9d87593a8ae 556 */
mluis 3:b9d87593a8ae 557 static void PrepareRxDoneAbort( void );
mluis 3:b9d87593a8ae 558
mluis 3:b9d87593a8ae 559 /*!
mluis 2:14a5d6ad92d5 560 * \brief Function to be executed on Radio Rx Done event
mluis 0:91d1a7783bb9 561 */
mluis 0:91d1a7783bb9 562 static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
mluis 0:91d1a7783bb9 563
mluis 0:91d1a7783bb9 564 /*!
mluis 2:14a5d6ad92d5 565 * \brief Function executed on Radio Tx Timeout event
mluis 0:91d1a7783bb9 566 */
mluis 0:91d1a7783bb9 567 static void OnRadioTxTimeout( void );
mluis 0:91d1a7783bb9 568
mluis 0:91d1a7783bb9 569 /*!
mluis 2:14a5d6ad92d5 570 * \brief Function executed on Radio Rx error event
mluis 0:91d1a7783bb9 571 */
mluis 0:91d1a7783bb9 572 static void OnRadioRxError( void );
mluis 0:91d1a7783bb9 573
mluis 0:91d1a7783bb9 574 /*!
mluis 2:14a5d6ad92d5 575 * \brief Function executed on Radio Rx Timeout event
mluis 0:91d1a7783bb9 576 */
mluis 0:91d1a7783bb9 577 static void OnRadioRxTimeout( void );
mluis 0:91d1a7783bb9 578
mluis 0:91d1a7783bb9 579 /*!
mluis 2:14a5d6ad92d5 580 * \brief Function executed on Resend Frame timer event.
mluis 0:91d1a7783bb9 581 */
mluis 0:91d1a7783bb9 582 static void OnMacStateCheckTimerEvent( void );
mluis 0:91d1a7783bb9 583
mluis 0:91d1a7783bb9 584 /*!
mluis 2:14a5d6ad92d5 585 * \brief Function executed on duty cycle delayed Tx timer event
mluis 0:91d1a7783bb9 586 */
mluis 0:91d1a7783bb9 587 static void OnTxDelayedTimerEvent( void );
mluis 0:91d1a7783bb9 588
mluis 0:91d1a7783bb9 589 /*!
mluis 2:14a5d6ad92d5 590 * \brief Function executed on first Rx window timer event
mluis 0:91d1a7783bb9 591 */
mluis 0:91d1a7783bb9 592 static void OnRxWindow1TimerEvent( void );
mluis 0:91d1a7783bb9 593
mluis 0:91d1a7783bb9 594 /*!
mluis 2:14a5d6ad92d5 595 * \brief Function executed on second Rx window timer event
mluis 0:91d1a7783bb9 596 */
mluis 0:91d1a7783bb9 597 static void OnRxWindow2TimerEvent( void );
mluis 0:91d1a7783bb9 598
mluis 0:91d1a7783bb9 599 /*!
mluis 2:14a5d6ad92d5 600 * \brief Function executed on AckTimeout timer event
mluis 0:91d1a7783bb9 601 */
mluis 0:91d1a7783bb9 602 static void OnAckTimeoutTimerEvent( void );
mluis 0:91d1a7783bb9 603
mluis 0:91d1a7783bb9 604 /*!
mluis 2:14a5d6ad92d5 605 * \brief Searches and set the next random available channel
mluis 2:14a5d6ad92d5 606 *
mluis 3:b9d87593a8ae 607 * \param [OUT] Time to wait for the next transmission according to the duty
mluis 3:b9d87593a8ae 608 * cycle.
mluis 3:b9d87593a8ae 609 *
mluis 3:b9d87593a8ae 610 * \retval status Function status [1: OK, 0: Unable to find a channel on the
mluis 3:b9d87593a8ae 611 * current datarate]
mluis 2:14a5d6ad92d5 612 */
mluis 3:b9d87593a8ae 613 static bool SetNextChannel( TimerTime_t* time );
mluis 2:14a5d6ad92d5 614
mluis 2:14a5d6ad92d5 615 /*!
mluis 2:14a5d6ad92d5 616 * \brief Sets the network to public or private. Updates the sync byte.
mluis 2:14a5d6ad92d5 617 *
mluis 2:14a5d6ad92d5 618 * \param [IN] enable if true, it enables a public network
mluis 2:14a5d6ad92d5 619 */
mluis 2:14a5d6ad92d5 620 static void SetPublicNetwork( bool enable );
mluis 2:14a5d6ad92d5 621
mluis 2:14a5d6ad92d5 622 /*!
mluis 2:14a5d6ad92d5 623 * \brief Initializes and opens the reception window
mluis 2:14a5d6ad92d5 624 *
mluis 2:14a5d6ad92d5 625 * \param [IN] freq window channel frequency
mluis 2:14a5d6ad92d5 626 * \param [IN] datarate window channel datarate
mluis 2:14a5d6ad92d5 627 * \param [IN] bandwidth window channel bandwidth
mluis 2:14a5d6ad92d5 628 * \param [IN] timeout window channel timeout
mluis 0:91d1a7783bb9 629 */
mluis 2:14a5d6ad92d5 630 static void RxWindowSetup( uint32_t freq, int8_t datarate, uint32_t bandwidth, uint16_t timeout, bool rxContinuous );
mluis 2:14a5d6ad92d5 631
mluis 2:14a5d6ad92d5 632 /*!
mluis 7:c16969e0f70f 633 * \brief Verifies if the RX window 2 frequency is in range
mluis 7:c16969e0f70f 634 *
mluis 7:c16969e0f70f 635 * \param [IN] freq window channel frequency
mluis 7:c16969e0f70f 636 *
mluis 7:c16969e0f70f 637 * \retval status Function status [1: OK, 0: Frequency not applicable]
mluis 7:c16969e0f70f 638 */
mluis 7:c16969e0f70f 639 static bool Rx2FreqInRange( uint32_t freq );
mluis 7:c16969e0f70f 640
mluis 7:c16969e0f70f 641 /*!
mluis 2:14a5d6ad92d5 642 * \brief Adds a new MAC command to be sent.
mluis 2:14a5d6ad92d5 643 *
mluis 2:14a5d6ad92d5 644 * \Remark MAC layer internal function
mluis 2:14a5d6ad92d5 645 *
mluis 2:14a5d6ad92d5 646 * \param [in] cmd MAC command to be added
mluis 2:14a5d6ad92d5 647 * [MOTE_MAC_LINK_CHECK_REQ,
mluis 2:14a5d6ad92d5 648 * MOTE_MAC_LINK_ADR_ANS,
mluis 2:14a5d6ad92d5 649 * MOTE_MAC_DUTY_CYCLE_ANS,
mluis 2:14a5d6ad92d5 650 * MOTE_MAC_RX2_PARAM_SET_ANS,
mluis 2:14a5d6ad92d5 651 * MOTE_MAC_DEV_STATUS_ANS
mluis 2:14a5d6ad92d5 652 * MOTE_MAC_NEW_CHANNEL_ANS]
mluis 2:14a5d6ad92d5 653 * \param [in] p1 1st parameter ( optional depends on the command )
mluis 2:14a5d6ad92d5 654 * \param [in] p2 2nd parameter ( optional depends on the command )
mluis 2:14a5d6ad92d5 655 *
mluis 2:14a5d6ad92d5 656 * \retval status Function status [0: OK, 1: Unknown command, 2: Buffer full]
mluis 2:14a5d6ad92d5 657 */
mluis 2:14a5d6ad92d5 658 static LoRaMacStatus_t AddMacCommand( uint8_t cmd, uint8_t p1, uint8_t p2 );
mluis 0:91d1a7783bb9 659
mluis 0:91d1a7783bb9 660 /*!
mluis 7:c16969e0f70f 661 * \brief Parses the MAC commands which must be repeated.
mluis 7:c16969e0f70f 662 *
mluis 7:c16969e0f70f 663 * \Remark MAC layer internal function
mluis 7:c16969e0f70f 664 *
mluis 7:c16969e0f70f 665 * \param [IN] cmdBufIn Buffer which stores the MAC commands to send
mluis 7:c16969e0f70f 666 * \param [IN] length Length of the input buffer to parse
mluis 7:c16969e0f70f 667 * \param [OUT] cmdBufOut Buffer which stores the MAC commands which must be
mluis 7:c16969e0f70f 668 * repeated.
mluis 7:c16969e0f70f 669 *
mluis 7:c16969e0f70f 670 * \retval Size of the MAC commands to repeat.
mluis 7:c16969e0f70f 671 */
mluis 7:c16969e0f70f 672 static uint8_t ParseMacCommandsToRepeat( uint8_t* cmdBufIn, uint8_t length, uint8_t* cmdBufOut );
mluis 7:c16969e0f70f 673
mluis 7:c16969e0f70f 674 /*!
mluis 0:91d1a7783bb9 675 * \brief Validates if the payload fits into the frame, taking the datarate
mluis 0:91d1a7783bb9 676 * into account.
mluis 0:91d1a7783bb9 677 *
mluis 0:91d1a7783bb9 678 * \details Refer to chapter 4.3.2 of the LoRaWAN specification, v1.0
mluis 0:91d1a7783bb9 679 *
mluis 0:91d1a7783bb9 680 * \param lenN Length of the application payload. The length depends on the
mluis 0:91d1a7783bb9 681 * datarate and is region specific
mluis 0:91d1a7783bb9 682 *
mluis 0:91d1a7783bb9 683 * \param datarate Current datarate
mluis 0:91d1a7783bb9 684 *
mluis 2:14a5d6ad92d5 685 * \param fOptsLen Length of the fOpts field
mluis 2:14a5d6ad92d5 686 *
mluis 0:91d1a7783bb9 687 * \retval [false: payload does not fit into the frame, true: payload fits into
mluis 0:91d1a7783bb9 688 * the frame]
mluis 0:91d1a7783bb9 689 */
mluis 2:14a5d6ad92d5 690 static bool ValidatePayloadLength( uint8_t lenN, int8_t datarate, uint8_t fOptsLen );
mluis 0:91d1a7783bb9 691
mluis 4:37c12dbc8dc7 692 /*!
mluis 4:37c12dbc8dc7 693 * \brief Counts the number of bits in a mask.
mluis 4:37c12dbc8dc7 694 *
mluis 4:37c12dbc8dc7 695 * \param [IN] mask A mask from which the function counts the active bits.
mluis 4:37c12dbc8dc7 696 * \param [IN] nbBits The number of bits to check.
mluis 4:37c12dbc8dc7 697 *
mluis 4:37c12dbc8dc7 698 * \retval Number of enabled bits in the mask.
mluis 4:37c12dbc8dc7 699 */
mluis 4:37c12dbc8dc7 700 static uint8_t CountBits( uint16_t mask, uint8_t nbBits );
mluis 4:37c12dbc8dc7 701
mluis 0:91d1a7783bb9 702 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 703 /*!
mluis 0:91d1a7783bb9 704 * \brief Counts the number of enabled 125 kHz channels in the channel mask.
mluis 0:91d1a7783bb9 705 * This function can only be applied to US915 band.
mluis 0:91d1a7783bb9 706 *
mluis 4:37c12dbc8dc7 707 * \param [IN] channelsMask Pointer to the first element of the channel mask
mluis 0:91d1a7783bb9 708 *
mluis 0:91d1a7783bb9 709 * \retval Number of enabled channels in the channel mask
mluis 0:91d1a7783bb9 710 */
mluis 0:91d1a7783bb9 711 static uint8_t CountNbEnabled125kHzChannels( uint16_t *channelsMask );
mluis 4:37c12dbc8dc7 712
mluis 4:37c12dbc8dc7 713 #if defined( USE_BAND_915_HYBRID )
mluis 4:37c12dbc8dc7 714 /*!
mluis 4:37c12dbc8dc7 715 * \brief Validates the correctness of the channel mask for US915, hybrid mode.
mluis 4:37c12dbc8dc7 716 *
mluis 4:37c12dbc8dc7 717 * \param [IN] mask Block definition to set.
mluis 4:37c12dbc8dc7 718 * \param [OUT] channelsMask Pointer to the first element of the channel mask
mluis 4:37c12dbc8dc7 719 */
mluis 4:37c12dbc8dc7 720 static void ReenableChannels( uint16_t mask, uint16_t* channelMask );
mluis 4:37c12dbc8dc7 721
mluis 4:37c12dbc8dc7 722 /*!
mluis 4:37c12dbc8dc7 723 * \brief Validates the correctness of the channel mask for US915, hybrid mode.
mluis 4:37c12dbc8dc7 724 *
mluis 4:37c12dbc8dc7 725 * \param [IN] channelsMask Pointer to the first element of the channel mask
mluis 4:37c12dbc8dc7 726 *
mluis 4:37c12dbc8dc7 727 * \retval [true: channel mask correct, false: channel mask not correct]
mluis 4:37c12dbc8dc7 728 */
mluis 4:37c12dbc8dc7 729 static bool ValidateChannelMask( uint16_t* channelMask );
mluis 4:37c12dbc8dc7 730 #endif
mluis 4:37c12dbc8dc7 731
mluis 0:91d1a7783bb9 732 #endif
mluis 0:91d1a7783bb9 733
mluis 0:91d1a7783bb9 734 /*!
mluis 0:91d1a7783bb9 735 * \brief Limits the Tx power according to the number of enabled channels
mluis 0:91d1a7783bb9 736 *
mluis 0:91d1a7783bb9 737 * \retval Returns the maximum valid tx power
mluis 0:91d1a7783bb9 738 */
mluis 0:91d1a7783bb9 739 static int8_t LimitTxPower( int8_t txPower );
mluis 0:91d1a7783bb9 740
mluis 0:91d1a7783bb9 741 /*!
mluis 2:14a5d6ad92d5 742 * \brief Verifies, if a value is in a given range.
mluis 2:14a5d6ad92d5 743 *
mluis 2:14a5d6ad92d5 744 * \param value Value to verify, if it is in range
mluis 2:14a5d6ad92d5 745 *
mluis 2:14a5d6ad92d5 746 * \param min Minimum possible value
mluis 2:14a5d6ad92d5 747 *
mluis 2:14a5d6ad92d5 748 * \param max Maximum possible value
mluis 2:14a5d6ad92d5 749 *
mluis 2:14a5d6ad92d5 750 * \retval Returns the maximum valid tx power
mluis 2:14a5d6ad92d5 751 */
mluis 2:14a5d6ad92d5 752 static bool ValueInRange( int8_t value, int8_t min, int8_t max );
mluis 2:14a5d6ad92d5 753
mluis 2:14a5d6ad92d5 754 /*!
mluis 2:14a5d6ad92d5 755 * \brief Calculates the next datarate to set, when ADR is on or off
mluis 2:14a5d6ad92d5 756 *
mluis 2:14a5d6ad92d5 757 * \param [IN] adrEnabled Specify whether ADR is on or off
mluis 2:14a5d6ad92d5 758 *
mluis 2:14a5d6ad92d5 759 * \param [IN] updateChannelMask Set to true, if the channel masks shall be updated
mluis 2:14a5d6ad92d5 760 *
mluis 2:14a5d6ad92d5 761 * \param [OUT] datarateOut Reports the datarate which will be used next
mluis 2:14a5d6ad92d5 762 *
mluis 2:14a5d6ad92d5 763 * \retval Returns the state of ADR ack request
mluis 2:14a5d6ad92d5 764 */
mluis 2:14a5d6ad92d5 765 static bool AdrNextDr( bool adrEnabled, bool updateChannelMask, int8_t* datarateOut );
mluis 2:14a5d6ad92d5 766
mluis 2:14a5d6ad92d5 767 /*!
mluis 2:14a5d6ad92d5 768 * \brief Disables channel in a specified channel mask
mluis 2:14a5d6ad92d5 769 *
mluis 2:14a5d6ad92d5 770 * \param [IN] id - Id of the channel
mluis 2:14a5d6ad92d5 771 *
mluis 2:14a5d6ad92d5 772 * \param [IN] mask - Pointer to the channel mask to edit
mluis 0:91d1a7783bb9 773 *
mluis 2:14a5d6ad92d5 774 * \retval [true, if disable was successful, false if not]
mluis 2:14a5d6ad92d5 775 */
mluis 2:14a5d6ad92d5 776 static bool DisableChannelInMask( uint8_t id, uint16_t* mask );
mluis 2:14a5d6ad92d5 777
mluis 2:14a5d6ad92d5 778 /*!
mluis 2:14a5d6ad92d5 779 * \brief Decodes MAC commands in the fOpts field and in the payload
mluis 2:14a5d6ad92d5 780 */
mluis 2:14a5d6ad92d5 781 static void ProcessMacCommands( uint8_t *payload, uint8_t macIndex, uint8_t commandsSize, uint8_t snr );
mluis 2:14a5d6ad92d5 782
mluis 2:14a5d6ad92d5 783 /*!
mluis 2:14a5d6ad92d5 784 * \brief LoRaMAC layer generic send frame
mluis 2:14a5d6ad92d5 785 *
mluis 2:14a5d6ad92d5 786 * \param [IN] macHdr MAC header field
mluis 2:14a5d6ad92d5 787 * \param [IN] fPort MAC payload port
mluis 2:14a5d6ad92d5 788 * \param [IN] fBuffer MAC data buffer to be sent
mluis 2:14a5d6ad92d5 789 * \param [IN] fBufferSize MAC data buffer size
mluis 2:14a5d6ad92d5 790 * \retval status Status of the operation.
mluis 2:14a5d6ad92d5 791 */
mluis 2:14a5d6ad92d5 792 LoRaMacStatus_t Send( LoRaMacHeader_t *macHdr, uint8_t fPort, void *fBuffer, uint16_t fBufferSize );
mluis 2:14a5d6ad92d5 793
mluis 2:14a5d6ad92d5 794 /*!
mluis 2:14a5d6ad92d5 795 * \brief LoRaMAC layer frame buffer initialization
mluis 2:14a5d6ad92d5 796 *
mluis 2:14a5d6ad92d5 797 * \param [IN] macHdr MAC header field
mluis 2:14a5d6ad92d5 798 * \param [IN] fCtrl MAC frame control field
mluis 2:14a5d6ad92d5 799 * \param [IN] fOpts MAC commands buffer
mluis 2:14a5d6ad92d5 800 * \param [IN] fPort MAC payload port
mluis 2:14a5d6ad92d5 801 * \param [IN] fBuffer MAC data buffer to be sent
mluis 2:14a5d6ad92d5 802 * \param [IN] fBufferSize MAC data buffer size
mluis 2:14a5d6ad92d5 803 * \retval status Status of the operation.
mluis 2:14a5d6ad92d5 804 */
mluis 2:14a5d6ad92d5 805 LoRaMacStatus_t PrepareFrame( LoRaMacHeader_t *macHdr, LoRaMacFrameCtrl_t *fCtrl, uint8_t fPort, void *fBuffer, uint16_t fBufferSize );
mluis 2:14a5d6ad92d5 806
mluis 2:14a5d6ad92d5 807 /*
mluis 2:14a5d6ad92d5 808 * \brief Schedules the frame according to the duty cycle
mluis 2:14a5d6ad92d5 809 *
mluis 2:14a5d6ad92d5 810 * \retval Status of the operation
mluis 2:14a5d6ad92d5 811 */
mluis 2:14a5d6ad92d5 812 static LoRaMacStatus_t ScheduleTx( void );
mluis 2:14a5d6ad92d5 813
mluis 4:37c12dbc8dc7 814 /*
mluis 7:c16969e0f70f 815 * \brief Sets the duty cycle for retransmissions
mluis 7:c16969e0f70f 816 *
mluis 7:c16969e0f70f 817 * \retval Duty cycle
mluis 7:c16969e0f70f 818 */
mluis 7:c16969e0f70f 819 static uint16_t RetransmissionDutyCylce( void );
mluis 7:c16969e0f70f 820
mluis 7:c16969e0f70f 821 /*
mluis 4:37c12dbc8dc7 822 * \brief Calculates the back-off time for the band of a channel.
mluis 4:37c12dbc8dc7 823 *
mluis 4:37c12dbc8dc7 824 * \param [IN] channel The last Tx channel index
mluis 4:37c12dbc8dc7 825 */
mluis 4:37c12dbc8dc7 826 static void CalculateBackOff( uint8_t channel );
mluis 4:37c12dbc8dc7 827
mluis 7:c16969e0f70f 828 /*
mluis 7:c16969e0f70f 829 * \brief Alternates the datarate of the channel for the join request.
mluis 7:c16969e0f70f 830 *
mluis 7:c16969e0f70f 831 * \param [IN] nbTrials Number of performed join requests.
mluis 7:c16969e0f70f 832 * \retval Datarate to apply
mluis 7:c16969e0f70f 833 */
mluis 7:c16969e0f70f 834 static int8_t AlternateDatarate( uint16_t nbTrials );
mluis 7:c16969e0f70f 835
mluis 2:14a5d6ad92d5 836 /*!
mluis 2:14a5d6ad92d5 837 * \brief LoRaMAC layer prepared frame buffer transmission with channel specification
mluis 2:14a5d6ad92d5 838 *
mluis 2:14a5d6ad92d5 839 * \remark PrepareFrame must be called at least once before calling this
mluis 2:14a5d6ad92d5 840 * function.
mluis 2:14a5d6ad92d5 841 *
mluis 2:14a5d6ad92d5 842 * \param [IN] channel Channel parameters
mluis 2:14a5d6ad92d5 843 * \retval status Status of the operation.
mluis 0:91d1a7783bb9 844 */
mluis 2:14a5d6ad92d5 845 LoRaMacStatus_t SendFrameOnChannel( ChannelParams_t channel );
mluis 2:14a5d6ad92d5 846
mluis 7:c16969e0f70f 847 /*!
mluis 7:c16969e0f70f 848 * \brief Resets MAC specific parameters to default
mluis 7:c16969e0f70f 849 */
mluis 7:c16969e0f70f 850 static void ResetMacParameters( void );
mluis 2:14a5d6ad92d5 851
mluis 2:14a5d6ad92d5 852 static void OnRadioTxDone( void )
mluis 2:14a5d6ad92d5 853 {
mluis 2:14a5d6ad92d5 854 TimerTime_t curTime = TimerGetCurrentTime( );
mluis 2:14a5d6ad92d5 855 if( LoRaMacDeviceClass != CLASS_C )
mluis 2:14a5d6ad92d5 856 {
mluis 2:14a5d6ad92d5 857 Radio.Sleep( );
mluis 2:14a5d6ad92d5 858 }
mluis 2:14a5d6ad92d5 859 else
mluis 2:14a5d6ad92d5 860 {
mluis 2:14a5d6ad92d5 861 OnRxWindow2TimerEvent( );
mluis 2:14a5d6ad92d5 862 }
mluis 2:14a5d6ad92d5 863
mluis 4:37c12dbc8dc7 864 // Store last Tx channel
mluis 4:37c12dbc8dc7 865 LastTxChannel = Channel;
mluis 4:37c12dbc8dc7 866 // Update last tx done time for the current channel
mluis 4:37c12dbc8dc7 867 Bands[Channels[LastTxChannel].Band].LastTxDoneTime = curTime;
mluis 4:37c12dbc8dc7 868 // Update Aggregated last tx done time
mluis 2:14a5d6ad92d5 869 AggregatedLastTxDoneTime = curTime;
mluis 2:14a5d6ad92d5 870
mluis 2:14a5d6ad92d5 871 if( IsRxWindowsEnabled == true )
mluis 2:14a5d6ad92d5 872 {
mluis 2:14a5d6ad92d5 873 TimerSetValue( &RxWindowTimer1, RxWindow1Delay );
mluis 2:14a5d6ad92d5 874 TimerStart( &RxWindowTimer1 );
mluis 2:14a5d6ad92d5 875 if( LoRaMacDeviceClass != CLASS_C )
mluis 2:14a5d6ad92d5 876 {
mluis 2:14a5d6ad92d5 877 TimerSetValue( &RxWindowTimer2, RxWindow2Delay );
mluis 2:14a5d6ad92d5 878 TimerStart( &RxWindowTimer2 );
mluis 2:14a5d6ad92d5 879 }
mluis 2:14a5d6ad92d5 880 if( ( LoRaMacDeviceClass == CLASS_C ) || ( NodeAckRequested == true ) )
mluis 2:14a5d6ad92d5 881 {
mluis 2:14a5d6ad92d5 882 TimerSetValue( &AckTimeoutTimer, RxWindow2Delay + ACK_TIMEOUT +
mluis 2:14a5d6ad92d5 883 randr( -ACK_TIMEOUT_RND, ACK_TIMEOUT_RND ) );
mluis 2:14a5d6ad92d5 884 TimerStart( &AckTimeoutTimer );
mluis 2:14a5d6ad92d5 885 }
mluis 2:14a5d6ad92d5 886 }
mluis 2:14a5d6ad92d5 887 else
mluis 2:14a5d6ad92d5 888 {
mluis 2:14a5d6ad92d5 889 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 2:14a5d6ad92d5 890 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX2_TIMEOUT;
mluis 2:14a5d6ad92d5 891
mluis 2:14a5d6ad92d5 892 if( LoRaMacFlags.Value == 0 )
mluis 2:14a5d6ad92d5 893 {
mluis 2:14a5d6ad92d5 894 LoRaMacFlags.Bits.McpsReq = 1;
mluis 2:14a5d6ad92d5 895 }
mluis 2:14a5d6ad92d5 896 LoRaMacFlags.Bits.MacDone = 1;
mluis 2:14a5d6ad92d5 897 }
mluis 2:14a5d6ad92d5 898
mluis 2:14a5d6ad92d5 899 if( NodeAckRequested == false )
mluis 2:14a5d6ad92d5 900 {
mluis 2:14a5d6ad92d5 901 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 2:14a5d6ad92d5 902 ChannelsNbRepCounter++;
mluis 2:14a5d6ad92d5 903 }
mluis 2:14a5d6ad92d5 904 }
mluis 2:14a5d6ad92d5 905
mluis 3:b9d87593a8ae 906 static void PrepareRxDoneAbort( void )
mluis 3:b9d87593a8ae 907 {
mluis 4:37c12dbc8dc7 908 LoRaMacState |= MAC_RX_ABORT;
mluis 3:b9d87593a8ae 909
mluis 3:b9d87593a8ae 910 if( NodeAckRequested )
mluis 3:b9d87593a8ae 911 {
mluis 3:b9d87593a8ae 912 OnAckTimeoutTimerEvent( );
mluis 3:b9d87593a8ae 913 }
mluis 3:b9d87593a8ae 914
mluis 3:b9d87593a8ae 915 if( ( RxSlot == 0 ) && ( LoRaMacDeviceClass == CLASS_C ) )
mluis 3:b9d87593a8ae 916 {
mluis 3:b9d87593a8ae 917 OnRxWindow2TimerEvent( );
mluis 3:b9d87593a8ae 918 }
mluis 3:b9d87593a8ae 919
mluis 3:b9d87593a8ae 920 LoRaMacFlags.Bits.McpsInd = 1;
mluis 3:b9d87593a8ae 921 LoRaMacFlags.Bits.MacDone = 1;
mluis 3:b9d87593a8ae 922
mluis 3:b9d87593a8ae 923 // Trig OnMacCheckTimerEvent call as soon as possible
mluis 3:b9d87593a8ae 924 TimerSetValue( &MacStateCheckTimer, 1000 );
mluis 3:b9d87593a8ae 925 TimerStart( &MacStateCheckTimer );
mluis 3:b9d87593a8ae 926 }
mluis 3:b9d87593a8ae 927
mluis 2:14a5d6ad92d5 928 static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
mluis 0:91d1a7783bb9 929 {
mluis 2:14a5d6ad92d5 930 LoRaMacHeader_t macHdr;
mluis 2:14a5d6ad92d5 931 LoRaMacFrameCtrl_t fCtrl;
mluis 4:37c12dbc8dc7 932 bool skipIndication = false;
mluis 2:14a5d6ad92d5 933
mluis 2:14a5d6ad92d5 934 uint8_t pktHeaderLen = 0;
mluis 2:14a5d6ad92d5 935 uint32_t address = 0;
mluis 2:14a5d6ad92d5 936 uint8_t appPayloadStartIndex = 0;
mluis 2:14a5d6ad92d5 937 uint8_t port = 0xFF;
mluis 2:14a5d6ad92d5 938 uint8_t frameLen = 0;
mluis 2:14a5d6ad92d5 939 uint32_t mic = 0;
mluis 2:14a5d6ad92d5 940 uint32_t micRx = 0;
mluis 2:14a5d6ad92d5 941
mluis 2:14a5d6ad92d5 942 uint16_t sequenceCounter = 0;
mluis 2:14a5d6ad92d5 943 uint16_t sequenceCounterPrev = 0;
mluis 2:14a5d6ad92d5 944 uint16_t sequenceCounterDiff = 0;
mluis 2:14a5d6ad92d5 945 uint32_t downLinkCounter = 0;
mluis 2:14a5d6ad92d5 946
mluis 2:14a5d6ad92d5 947 MulticastParams_t *curMulticastParams = NULL;
mluis 2:14a5d6ad92d5 948 uint8_t *nwkSKey = LoRaMacNwkSKey;
mluis 2:14a5d6ad92d5 949 uint8_t *appSKey = LoRaMacAppSKey;
mluis 2:14a5d6ad92d5 950
mluis 2:14a5d6ad92d5 951 uint8_t multicast = 0;
mluis 2:14a5d6ad92d5 952
mluis 2:14a5d6ad92d5 953 bool isMicOk = false;
mluis 2:14a5d6ad92d5 954
mluis 2:14a5d6ad92d5 955 McpsConfirm.AckReceived = false;
mluis 2:14a5d6ad92d5 956 McpsIndication.Rssi = rssi;
mluis 2:14a5d6ad92d5 957 McpsIndication.Snr = snr;
mluis 2:14a5d6ad92d5 958 McpsIndication.RxSlot = RxSlot;
mluis 2:14a5d6ad92d5 959 McpsIndication.Port = 0;
mluis 2:14a5d6ad92d5 960 McpsIndication.Multicast = 0;
mluis 2:14a5d6ad92d5 961 McpsIndication.FramePending = 0;
mluis 2:14a5d6ad92d5 962 McpsIndication.Buffer = NULL;
mluis 2:14a5d6ad92d5 963 McpsIndication.BufferSize = 0;
mluis 2:14a5d6ad92d5 964 McpsIndication.RxData = false;
mluis 2:14a5d6ad92d5 965 McpsIndication.AckReceived = false;
mluis 2:14a5d6ad92d5 966 McpsIndication.DownLinkCounter = 0;
mluis 2:14a5d6ad92d5 967 McpsIndication.McpsIndication = MCPS_UNCONFIRMED;
mluis 2:14a5d6ad92d5 968
mluis 2:14a5d6ad92d5 969 if( LoRaMacDeviceClass != CLASS_C )
mluis 2:14a5d6ad92d5 970 {
mluis 2:14a5d6ad92d5 971 Radio.Sleep( );
mluis 2:14a5d6ad92d5 972 }
mluis 2:14a5d6ad92d5 973 TimerStop( &RxWindowTimer2 );
mluis 2:14a5d6ad92d5 974
mluis 2:14a5d6ad92d5 975 macHdr.Value = payload[pktHeaderLen++];
mluis 2:14a5d6ad92d5 976
mluis 2:14a5d6ad92d5 977 switch( macHdr.Bits.MType )
mluis 2:14a5d6ad92d5 978 {
mluis 2:14a5d6ad92d5 979 case FRAME_TYPE_JOIN_ACCEPT:
mluis 2:14a5d6ad92d5 980 if( IsLoRaMacNetworkJoined == true )
mluis 2:14a5d6ad92d5 981 {
mluis 2:14a5d6ad92d5 982 break;
mluis 2:14a5d6ad92d5 983 }
mluis 2:14a5d6ad92d5 984 LoRaMacJoinDecrypt( payload + 1, size - 1, LoRaMacAppKey, LoRaMacRxPayload + 1 );
mluis 2:14a5d6ad92d5 985
mluis 2:14a5d6ad92d5 986 LoRaMacRxPayload[0] = macHdr.Value;
mluis 2:14a5d6ad92d5 987
mluis 2:14a5d6ad92d5 988 LoRaMacJoinComputeMic( LoRaMacRxPayload, size - LORAMAC_MFR_LEN, LoRaMacAppKey, &mic );
mluis 2:14a5d6ad92d5 989
mluis 2:14a5d6ad92d5 990 micRx |= ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN];
mluis 2:14a5d6ad92d5 991 micRx |= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 1] << 8 );
mluis 2:14a5d6ad92d5 992 micRx |= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 2] << 16 );
mluis 2:14a5d6ad92d5 993 micRx |= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 3] << 24 );
mluis 2:14a5d6ad92d5 994
mluis 2:14a5d6ad92d5 995 if( micRx == mic )
mluis 2:14a5d6ad92d5 996 {
mluis 2:14a5d6ad92d5 997 LoRaMacJoinComputeSKeys( LoRaMacAppKey, LoRaMacRxPayload + 1, LoRaMacDevNonce, LoRaMacNwkSKey, LoRaMacAppSKey );
mluis 2:14a5d6ad92d5 998
mluis 2:14a5d6ad92d5 999 LoRaMacNetID = ( uint32_t )LoRaMacRxPayload[4];
mluis 2:14a5d6ad92d5 1000 LoRaMacNetID |= ( ( uint32_t )LoRaMacRxPayload[5] << 8 );
mluis 2:14a5d6ad92d5 1001 LoRaMacNetID |= ( ( uint32_t )LoRaMacRxPayload[6] << 16 );
mluis 2:14a5d6ad92d5 1002
mluis 2:14a5d6ad92d5 1003 LoRaMacDevAddr = ( uint32_t )LoRaMacRxPayload[7];
mluis 2:14a5d6ad92d5 1004 LoRaMacDevAddr |= ( ( uint32_t )LoRaMacRxPayload[8] << 8 );
mluis 2:14a5d6ad92d5 1005 LoRaMacDevAddr |= ( ( uint32_t )LoRaMacRxPayload[9] << 16 );
mluis 2:14a5d6ad92d5 1006 LoRaMacDevAddr |= ( ( uint32_t )LoRaMacRxPayload[10] << 24 );
mluis 2:14a5d6ad92d5 1007
mluis 2:14a5d6ad92d5 1008 // DLSettings
mluis 7:c16969e0f70f 1009 LoRaMacParams.Rx1DrOffset = ( LoRaMacRxPayload[11] >> 4 ) & 0x07;
mluis 7:c16969e0f70f 1010 LoRaMacParams.Rx2Channel.Datarate = LoRaMacRxPayload[11] & 0x0F;
mluis 2:14a5d6ad92d5 1011 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 2:14a5d6ad92d5 1012 /*
mluis 2:14a5d6ad92d5 1013 * WARNING: To be removed once Semtech server implementation
mluis 2:14a5d6ad92d5 1014 * is corrected.
mluis 2:14a5d6ad92d5 1015 */
mluis 7:c16969e0f70f 1016 if( LoRaMacParams.Rx2Channel.Datarate == DR_3 )
mluis 2:14a5d6ad92d5 1017 {
mluis 7:c16969e0f70f 1018 LoRaMacParams.Rx2Channel.Datarate = DR_8;
mluis 2:14a5d6ad92d5 1019 }
mluis 2:14a5d6ad92d5 1020 #endif
mluis 2:14a5d6ad92d5 1021 // RxDelay
mluis 7:c16969e0f70f 1022 LoRaMacParams.ReceiveDelay1 = ( LoRaMacRxPayload[12] & 0x0F );
mluis 7:c16969e0f70f 1023 if( LoRaMacParams.ReceiveDelay1 == 0 )
mluis 2:14a5d6ad92d5 1024 {
mluis 7:c16969e0f70f 1025 LoRaMacParams.ReceiveDelay1 = 1;
mluis 2:14a5d6ad92d5 1026 }
mluis 7:c16969e0f70f 1027 LoRaMacParams.ReceiveDelay1 *= 1e6;
mluis 7:c16969e0f70f 1028 LoRaMacParams.ReceiveDelay2 = LoRaMacParams.ReceiveDelay1 + 1e6;
mluis 2:14a5d6ad92d5 1029
mluis 2:14a5d6ad92d5 1030 #if !( defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID ) )
mluis 2:14a5d6ad92d5 1031 //CFList
mluis 2:14a5d6ad92d5 1032 if( ( size - 1 ) > 16 )
mluis 2:14a5d6ad92d5 1033 {
mluis 2:14a5d6ad92d5 1034 ChannelParams_t param;
mluis 2:14a5d6ad92d5 1035 param.DrRange.Value = ( DR_5 << 4 ) | DR_0;
mluis 2:14a5d6ad92d5 1036
mluis 3:b9d87593a8ae 1037 LoRaMacState |= MAC_TX_CONFIG;
mluis 2:14a5d6ad92d5 1038 for( uint8_t i = 3, j = 0; i < ( 5 + 3 ); i++, j += 3 )
mluis 2:14a5d6ad92d5 1039 {
mluis 2:14a5d6ad92d5 1040 param.Frequency = ( ( uint32_t )LoRaMacRxPayload[13 + j] | ( ( uint32_t )LoRaMacRxPayload[14 + j] << 8 ) | ( ( uint32_t )LoRaMacRxPayload[15 + j] << 16 ) ) * 100;
mluis 2:14a5d6ad92d5 1041 LoRaMacChannelAdd( i, param );
mluis 2:14a5d6ad92d5 1042 }
mluis 3:b9d87593a8ae 1043 LoRaMacState &= ~MAC_TX_CONFIG;
mluis 2:14a5d6ad92d5 1044 }
mluis 2:14a5d6ad92d5 1045 #endif
mluis 2:14a5d6ad92d5 1046 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 2:14a5d6ad92d5 1047 IsLoRaMacNetworkJoined = true;
mluis 7:c16969e0f70f 1048 LoRaMacParams.ChannelsDatarate = LoRaMacParamsDefaults.ChannelsDatarate;
mluis 2:14a5d6ad92d5 1049 }
mluis 2:14a5d6ad92d5 1050 else
mluis 2:14a5d6ad92d5 1051 {
mluis 2:14a5d6ad92d5 1052 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL;
mluis 2:14a5d6ad92d5 1053 }
mluis 2:14a5d6ad92d5 1054 break;
mluis 2:14a5d6ad92d5 1055 case FRAME_TYPE_DATA_CONFIRMED_DOWN:
mluis 2:14a5d6ad92d5 1056 case FRAME_TYPE_DATA_UNCONFIRMED_DOWN:
mluis 2:14a5d6ad92d5 1057 {
mluis 2:14a5d6ad92d5 1058 address = payload[pktHeaderLen++];
mluis 2:14a5d6ad92d5 1059 address |= ( (uint32_t)payload[pktHeaderLen++] << 8 );
mluis 2:14a5d6ad92d5 1060 address |= ( (uint32_t)payload[pktHeaderLen++] << 16 );
mluis 2:14a5d6ad92d5 1061 address |= ( (uint32_t)payload[pktHeaderLen++] << 24 );
mluis 2:14a5d6ad92d5 1062
mluis 2:14a5d6ad92d5 1063 if( address != LoRaMacDevAddr )
mluis 2:14a5d6ad92d5 1064 {
mluis 2:14a5d6ad92d5 1065 curMulticastParams = MulticastChannels;
mluis 2:14a5d6ad92d5 1066 while( curMulticastParams != NULL )
mluis 2:14a5d6ad92d5 1067 {
mluis 2:14a5d6ad92d5 1068 if( address == curMulticastParams->Address )
mluis 2:14a5d6ad92d5 1069 {
mluis 2:14a5d6ad92d5 1070 multicast = 1;
mluis 2:14a5d6ad92d5 1071 nwkSKey = curMulticastParams->NwkSKey;
mluis 2:14a5d6ad92d5 1072 appSKey = curMulticastParams->AppSKey;
mluis 2:14a5d6ad92d5 1073 downLinkCounter = curMulticastParams->DownLinkCounter;
mluis 2:14a5d6ad92d5 1074 break;
mluis 2:14a5d6ad92d5 1075 }
mluis 2:14a5d6ad92d5 1076 curMulticastParams = curMulticastParams->Next;
mluis 2:14a5d6ad92d5 1077 }
mluis 2:14a5d6ad92d5 1078 if( multicast == 0 )
mluis 2:14a5d6ad92d5 1079 {
mluis 2:14a5d6ad92d5 1080 // We are not the destination of this frame.
mluis 2:14a5d6ad92d5 1081 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL;
mluis 3:b9d87593a8ae 1082 PrepareRxDoneAbort( );
mluis 2:14a5d6ad92d5 1083 return;
mluis 2:14a5d6ad92d5 1084 }
mluis 2:14a5d6ad92d5 1085 }
mluis 2:14a5d6ad92d5 1086 else
mluis 2:14a5d6ad92d5 1087 {
mluis 2:14a5d6ad92d5 1088 multicast = 0;
mluis 2:14a5d6ad92d5 1089 nwkSKey = LoRaMacNwkSKey;
mluis 2:14a5d6ad92d5 1090 appSKey = LoRaMacAppSKey;
mluis 2:14a5d6ad92d5 1091 downLinkCounter = DownLinkCounter;
mluis 2:14a5d6ad92d5 1092 }
mluis 2:14a5d6ad92d5 1093
mluis 2:14a5d6ad92d5 1094 fCtrl.Value = payload[pktHeaderLen++];
mluis 2:14a5d6ad92d5 1095
mluis 2:14a5d6ad92d5 1096 sequenceCounter = ( uint16_t )payload[pktHeaderLen++];
mluis 2:14a5d6ad92d5 1097 sequenceCounter |= ( uint16_t )payload[pktHeaderLen++] << 8;
mluis 2:14a5d6ad92d5 1098
mluis 2:14a5d6ad92d5 1099 appPayloadStartIndex = 8 + fCtrl.Bits.FOptsLen;
mluis 2:14a5d6ad92d5 1100
mluis 2:14a5d6ad92d5 1101 micRx |= ( uint32_t )payload[size - LORAMAC_MFR_LEN];
mluis 2:14a5d6ad92d5 1102 micRx |= ( ( uint32_t )payload[size - LORAMAC_MFR_LEN + 1] << 8 );
mluis 2:14a5d6ad92d5 1103 micRx |= ( ( uint32_t )payload[size - LORAMAC_MFR_LEN + 2] << 16 );
mluis 2:14a5d6ad92d5 1104 micRx |= ( ( uint32_t )payload[size - LORAMAC_MFR_LEN + 3] << 24 );
mluis 2:14a5d6ad92d5 1105
mluis 2:14a5d6ad92d5 1106 sequenceCounterPrev = ( uint16_t )downLinkCounter;
mluis 2:14a5d6ad92d5 1107 sequenceCounterDiff = ( sequenceCounter - sequenceCounterPrev );
mluis 2:14a5d6ad92d5 1108
mluis 2:14a5d6ad92d5 1109 if( sequenceCounterDiff < ( 1 << 15 ) )
mluis 2:14a5d6ad92d5 1110 {
mluis 2:14a5d6ad92d5 1111 downLinkCounter += sequenceCounterDiff;
mluis 2:14a5d6ad92d5 1112 LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic );
mluis 2:14a5d6ad92d5 1113 if( micRx == mic )
mluis 2:14a5d6ad92d5 1114 {
mluis 2:14a5d6ad92d5 1115 isMicOk = true;
mluis 2:14a5d6ad92d5 1116 }
mluis 2:14a5d6ad92d5 1117 }
mluis 2:14a5d6ad92d5 1118 else
mluis 2:14a5d6ad92d5 1119 {
mluis 2:14a5d6ad92d5 1120 // check for sequence roll-over
mluis 2:14a5d6ad92d5 1121 uint32_t downLinkCounterTmp = downLinkCounter + 0x10000 + ( int16_t )sequenceCounterDiff;
mluis 2:14a5d6ad92d5 1122 LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounterTmp, &mic );
mluis 2:14a5d6ad92d5 1123 if( micRx == mic )
mluis 2:14a5d6ad92d5 1124 {
mluis 2:14a5d6ad92d5 1125 isMicOk = true;
mluis 2:14a5d6ad92d5 1126 downLinkCounter = downLinkCounterTmp;
mluis 2:14a5d6ad92d5 1127 }
mluis 2:14a5d6ad92d5 1128 }
mluis 2:14a5d6ad92d5 1129
mluis 4:37c12dbc8dc7 1130 // Check for a the maximum allowed counter difference
mluis 4:37c12dbc8dc7 1131 if( sequenceCounterDiff >= MAX_FCNT_GAP )
mluis 4:37c12dbc8dc7 1132 {
mluis 4:37c12dbc8dc7 1133 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_DOWNLINK_TOO_MANY_FRAMES_LOSS;
mluis 4:37c12dbc8dc7 1134 McpsIndication.DownLinkCounter = downLinkCounter;
mluis 4:37c12dbc8dc7 1135 PrepareRxDoneAbort( );
mluis 4:37c12dbc8dc7 1136 return;
mluis 4:37c12dbc8dc7 1137 }
mluis 4:37c12dbc8dc7 1138
mluis 2:14a5d6ad92d5 1139 if( isMicOk == true )
mluis 2:14a5d6ad92d5 1140 {
mluis 2:14a5d6ad92d5 1141 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 2:14a5d6ad92d5 1142 McpsIndication.Multicast = multicast;
mluis 2:14a5d6ad92d5 1143 McpsIndication.FramePending = fCtrl.Bits.FPending;
mluis 2:14a5d6ad92d5 1144 McpsIndication.Buffer = NULL;
mluis 2:14a5d6ad92d5 1145 McpsIndication.BufferSize = 0;
mluis 2:14a5d6ad92d5 1146 McpsIndication.DownLinkCounter = downLinkCounter;
mluis 2:14a5d6ad92d5 1147
mluis 2:14a5d6ad92d5 1148 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 2:14a5d6ad92d5 1149
mluis 2:14a5d6ad92d5 1150 AdrAckCounter = 0;
mluis 7:c16969e0f70f 1151 MacCommandsBufferToRepeatIndex = 0;
mluis 2:14a5d6ad92d5 1152
mluis 2:14a5d6ad92d5 1153 // Update 32 bits downlink counter
mluis 2:14a5d6ad92d5 1154 if( multicast == 1 )
mluis 2:14a5d6ad92d5 1155 {
mluis 2:14a5d6ad92d5 1156 McpsIndication.McpsIndication = MCPS_MULTICAST;
mluis 2:14a5d6ad92d5 1157
mluis 2:14a5d6ad92d5 1158 if( ( curMulticastParams->DownLinkCounter == downLinkCounter ) &&
mluis 2:14a5d6ad92d5 1159 ( curMulticastParams->DownLinkCounter != 0 ) )
mluis 2:14a5d6ad92d5 1160 {
mluis 2:14a5d6ad92d5 1161 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_DOWNLINK_REPEATED;
mluis 2:14a5d6ad92d5 1162 McpsIndication.DownLinkCounter = downLinkCounter;
mluis 3:b9d87593a8ae 1163 PrepareRxDoneAbort( );
mluis 2:14a5d6ad92d5 1164 return;
mluis 2:14a5d6ad92d5 1165 }
mluis 2:14a5d6ad92d5 1166 curMulticastParams->DownLinkCounter = downLinkCounter;
mluis 2:14a5d6ad92d5 1167 }
mluis 2:14a5d6ad92d5 1168 else
mluis 2:14a5d6ad92d5 1169 {
mluis 2:14a5d6ad92d5 1170 if( macHdr.Bits.MType == FRAME_TYPE_DATA_CONFIRMED_DOWN )
mluis 2:14a5d6ad92d5 1171 {
mluis 3:b9d87593a8ae 1172 SrvAckRequested = true;
mluis 2:14a5d6ad92d5 1173 McpsIndication.McpsIndication = MCPS_CONFIRMED;
mluis 4:37c12dbc8dc7 1174
mluis 4:37c12dbc8dc7 1175 if( ( DownLinkCounter == downLinkCounter ) &&
mluis 4:37c12dbc8dc7 1176 ( DownLinkCounter != 0 ) )
mluis 4:37c12dbc8dc7 1177 {
mluis 4:37c12dbc8dc7 1178 // Duplicated confirmed downlink. Skip indication.
mluis 4:37c12dbc8dc7 1179 skipIndication = true;
mluis 4:37c12dbc8dc7 1180 }
mluis 2:14a5d6ad92d5 1181 }
mluis 2:14a5d6ad92d5 1182 else
mluis 2:14a5d6ad92d5 1183 {
mluis 3:b9d87593a8ae 1184 SrvAckRequested = false;
mluis 2:14a5d6ad92d5 1185 McpsIndication.McpsIndication = MCPS_UNCONFIRMED;
mluis 4:37c12dbc8dc7 1186
mluis 4:37c12dbc8dc7 1187 if( ( DownLinkCounter == downLinkCounter ) &&
mluis 4:37c12dbc8dc7 1188 ( DownLinkCounter != 0 ) )
mluis 4:37c12dbc8dc7 1189 {
mluis 4:37c12dbc8dc7 1190 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_DOWNLINK_REPEATED;
mluis 4:37c12dbc8dc7 1191 McpsIndication.DownLinkCounter = downLinkCounter;
mluis 4:37c12dbc8dc7 1192 PrepareRxDoneAbort( );
mluis 4:37c12dbc8dc7 1193 return;
mluis 4:37c12dbc8dc7 1194 }
mluis 2:14a5d6ad92d5 1195 }
mluis 2:14a5d6ad92d5 1196 DownLinkCounter = downLinkCounter;
mluis 2:14a5d6ad92d5 1197 }
mluis 2:14a5d6ad92d5 1198
mluis 2:14a5d6ad92d5 1199 // Check if the frame is an acknowledgement
mluis 2:14a5d6ad92d5 1200 if( fCtrl.Bits.Ack == 1 )
mluis 2:14a5d6ad92d5 1201 {
mluis 2:14a5d6ad92d5 1202 McpsConfirm.AckReceived = true;
mluis 2:14a5d6ad92d5 1203 McpsIndication.AckReceived = true;
mluis 2:14a5d6ad92d5 1204
mluis 2:14a5d6ad92d5 1205 // Stop the AckTimeout timer as no more retransmissions
mluis 2:14a5d6ad92d5 1206 // are needed.
mluis 2:14a5d6ad92d5 1207 TimerStop( &AckTimeoutTimer );
mluis 2:14a5d6ad92d5 1208 }
mluis 2:14a5d6ad92d5 1209 else
mluis 2:14a5d6ad92d5 1210 {
mluis 2:14a5d6ad92d5 1211 McpsConfirm.AckReceived = false;
mluis 2:14a5d6ad92d5 1212
mluis 2:14a5d6ad92d5 1213 if( AckTimeoutRetriesCounter > AckTimeoutRetries )
mluis 2:14a5d6ad92d5 1214 {
mluis 2:14a5d6ad92d5 1215 // Stop the AckTimeout timer as no more retransmissions
mluis 2:14a5d6ad92d5 1216 // are needed.
mluis 2:14a5d6ad92d5 1217 TimerStop( &AckTimeoutTimer );
mluis 2:14a5d6ad92d5 1218 }
mluis 2:14a5d6ad92d5 1219 }
mluis 2:14a5d6ad92d5 1220
mluis 2:14a5d6ad92d5 1221 if( ( ( size - 4 ) - appPayloadStartIndex ) > 0 )
mluis 2:14a5d6ad92d5 1222 {
mluis 2:14a5d6ad92d5 1223 port = payload[appPayloadStartIndex++];
mluis 2:14a5d6ad92d5 1224 frameLen = ( size - 4 ) - appPayloadStartIndex;
mluis 2:14a5d6ad92d5 1225
mluis 2:14a5d6ad92d5 1226 McpsIndication.Port = port;
mluis 2:14a5d6ad92d5 1227
mluis 2:14a5d6ad92d5 1228 if( port == 0 )
mluis 2:14a5d6ad92d5 1229 {
mluis 7:c16969e0f70f 1230 if( fCtrl.Bits.FOptsLen == 0 )
mluis 7:c16969e0f70f 1231 {
mluis 7:c16969e0f70f 1232 LoRaMacPayloadDecrypt( payload + appPayloadStartIndex,
mluis 7:c16969e0f70f 1233 frameLen,
mluis 7:c16969e0f70f 1234 nwkSKey,
mluis 7:c16969e0f70f 1235 address,
mluis 7:c16969e0f70f 1236 DOWN_LINK,
mluis 7:c16969e0f70f 1237 downLinkCounter,
mluis 7:c16969e0f70f 1238 LoRaMacRxPayload );
mluis 7:c16969e0f70f 1239
mluis 7:c16969e0f70f 1240 // Decode frame payload MAC commands
mluis 7:c16969e0f70f 1241 ProcessMacCommands( LoRaMacRxPayload, 0, frameLen, snr );
mluis 7:c16969e0f70f 1242 }
mluis 7:c16969e0f70f 1243 else
mluis 7:c16969e0f70f 1244 {
mluis 7:c16969e0f70f 1245 skipIndication = true;
mluis 7:c16969e0f70f 1246 }
mluis 2:14a5d6ad92d5 1247 }
mluis 2:14a5d6ad92d5 1248 else
mluis 2:14a5d6ad92d5 1249 {
mluis 7:c16969e0f70f 1250 if( fCtrl.Bits.FOptsLen > 0 )
mluis 7:c16969e0f70f 1251 {
mluis 7:c16969e0f70f 1252 // Decode Options field MAC commands. Omit the fPort.
mluis 7:c16969e0f70f 1253 ProcessMacCommands( payload, 8, appPayloadStartIndex - 1, snr );
mluis 7:c16969e0f70f 1254 }
mluis 7:c16969e0f70f 1255
mluis 2:14a5d6ad92d5 1256 LoRaMacPayloadDecrypt( payload + appPayloadStartIndex,
mluis 2:14a5d6ad92d5 1257 frameLen,
mluis 2:14a5d6ad92d5 1258 appSKey,
mluis 2:14a5d6ad92d5 1259 address,
mluis 2:14a5d6ad92d5 1260 DOWN_LINK,
mluis 2:14a5d6ad92d5 1261 downLinkCounter,
mluis 2:14a5d6ad92d5 1262 LoRaMacRxPayload );
mluis 2:14a5d6ad92d5 1263
mluis 4:37c12dbc8dc7 1264 if( skipIndication == false )
mluis 4:37c12dbc8dc7 1265 {
mluis 4:37c12dbc8dc7 1266 McpsIndication.Buffer = LoRaMacRxPayload;
mluis 4:37c12dbc8dc7 1267 McpsIndication.BufferSize = frameLen;
mluis 4:37c12dbc8dc7 1268 McpsIndication.RxData = true;
mluis 4:37c12dbc8dc7 1269 }
mluis 2:14a5d6ad92d5 1270 }
mluis 2:14a5d6ad92d5 1271 }
mluis 7:c16969e0f70f 1272 else
mluis 7:c16969e0f70f 1273 {
mluis 7:c16969e0f70f 1274 if( fCtrl.Bits.FOptsLen > 0 )
mluis 7:c16969e0f70f 1275 {
mluis 7:c16969e0f70f 1276 // Decode Options field MAC commands
mluis 7:c16969e0f70f 1277 ProcessMacCommands( payload, 8, appPayloadStartIndex, snr );
mluis 7:c16969e0f70f 1278 }
mluis 7:c16969e0f70f 1279 }
mluis 7:c16969e0f70f 1280
mluis 4:37c12dbc8dc7 1281 if( skipIndication == false )
mluis 4:37c12dbc8dc7 1282 {
mluis 4:37c12dbc8dc7 1283 LoRaMacFlags.Bits.McpsInd = 1;
mluis 4:37c12dbc8dc7 1284 }
mluis 2:14a5d6ad92d5 1285 }
mluis 2:14a5d6ad92d5 1286 else
mluis 2:14a5d6ad92d5 1287 {
mluis 2:14a5d6ad92d5 1288 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_MIC_FAIL;
mluis 3:b9d87593a8ae 1289
mluis 3:b9d87593a8ae 1290 PrepareRxDoneAbort( );
mluis 3:b9d87593a8ae 1291 return;
mluis 2:14a5d6ad92d5 1292 }
mluis 2:14a5d6ad92d5 1293 }
mluis 2:14a5d6ad92d5 1294 break;
mluis 2:14a5d6ad92d5 1295 case FRAME_TYPE_PROPRIETARY:
mluis 2:14a5d6ad92d5 1296 {
mluis 2:14a5d6ad92d5 1297 memcpy1( LoRaMacRxPayload, &payload[pktHeaderLen], size );
mluis 2:14a5d6ad92d5 1298
mluis 2:14a5d6ad92d5 1299 McpsIndication.McpsIndication = MCPS_PROPRIETARY;
mluis 2:14a5d6ad92d5 1300 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 2:14a5d6ad92d5 1301 McpsIndication.Buffer = LoRaMacRxPayload;
mluis 2:14a5d6ad92d5 1302 McpsIndication.BufferSize = size - pktHeaderLen;
mluis 3:b9d87593a8ae 1303
mluis 3:b9d87593a8ae 1304 LoRaMacFlags.Bits.McpsInd = 1;
mluis 2:14a5d6ad92d5 1305 break;
mluis 2:14a5d6ad92d5 1306 }
mluis 2:14a5d6ad92d5 1307 default:
mluis 2:14a5d6ad92d5 1308 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_ERROR;
mluis 3:b9d87593a8ae 1309 PrepareRxDoneAbort( );
mluis 2:14a5d6ad92d5 1310 break;
mluis 2:14a5d6ad92d5 1311 }
mluis 2:14a5d6ad92d5 1312
mluis 2:14a5d6ad92d5 1313 if( ( RxSlot == 0 ) && ( LoRaMacDeviceClass == CLASS_C ) )
mluis 2:14a5d6ad92d5 1314 {
mluis 2:14a5d6ad92d5 1315 OnRxWindow2TimerEvent( );
mluis 2:14a5d6ad92d5 1316 }
mluis 2:14a5d6ad92d5 1317 LoRaMacFlags.Bits.MacDone = 1;
mluis 3:b9d87593a8ae 1318
mluis 3:b9d87593a8ae 1319 // Trig OnMacCheckTimerEvent call as soon as possible
mluis 3:b9d87593a8ae 1320 TimerSetValue( &MacStateCheckTimer, 1000 );
mluis 3:b9d87593a8ae 1321 TimerStart( &MacStateCheckTimer );
mluis 2:14a5d6ad92d5 1322 }
mluis 2:14a5d6ad92d5 1323
mluis 2:14a5d6ad92d5 1324 static void OnRadioTxTimeout( void )
mluis 2:14a5d6ad92d5 1325 {
mluis 2:14a5d6ad92d5 1326 if( LoRaMacDeviceClass != CLASS_C )
mluis 2:14a5d6ad92d5 1327 {
mluis 2:14a5d6ad92d5 1328 Radio.Sleep( );
mluis 2:14a5d6ad92d5 1329 }
mluis 2:14a5d6ad92d5 1330 else
mluis 2:14a5d6ad92d5 1331 {
mluis 2:14a5d6ad92d5 1332 OnRxWindow2TimerEvent( );
mluis 2:14a5d6ad92d5 1333 }
mluis 2:14a5d6ad92d5 1334
mluis 2:14a5d6ad92d5 1335 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT;
mluis 2:14a5d6ad92d5 1336 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT;
mluis 2:14a5d6ad92d5 1337 LoRaMacFlags.Bits.MacDone = 1;
mluis 2:14a5d6ad92d5 1338 }
mluis 2:14a5d6ad92d5 1339
mluis 2:14a5d6ad92d5 1340 static void OnRadioRxError( void )
mluis 2:14a5d6ad92d5 1341 {
mluis 2:14a5d6ad92d5 1342 if( LoRaMacDeviceClass != CLASS_C )
mluis 2:14a5d6ad92d5 1343 {
mluis 2:14a5d6ad92d5 1344 Radio.Sleep( );
mluis 2:14a5d6ad92d5 1345 }
mluis 2:14a5d6ad92d5 1346 else
mluis 2:14a5d6ad92d5 1347 {
mluis 2:14a5d6ad92d5 1348 OnRxWindow2TimerEvent( );
mluis 2:14a5d6ad92d5 1349 }
mluis 2:14a5d6ad92d5 1350
mluis 2:14a5d6ad92d5 1351 if( RxSlot == 1 )
mluis 2:14a5d6ad92d5 1352 {
mluis 2:14a5d6ad92d5 1353 if( NodeAckRequested == true )
mluis 2:14a5d6ad92d5 1354 {
mluis 2:14a5d6ad92d5 1355 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX2_ERROR;
mluis 2:14a5d6ad92d5 1356 }
mluis 2:14a5d6ad92d5 1357 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX2_ERROR;
mluis 2:14a5d6ad92d5 1358 LoRaMacFlags.Bits.MacDone = 1;
mluis 2:14a5d6ad92d5 1359 }
mluis 2:14a5d6ad92d5 1360 }
mluis 2:14a5d6ad92d5 1361
mluis 2:14a5d6ad92d5 1362 static void OnRadioRxTimeout( void )
mluis 2:14a5d6ad92d5 1363 {
mluis 2:14a5d6ad92d5 1364 if( LoRaMacDeviceClass != CLASS_C )
mluis 2:14a5d6ad92d5 1365 {
mluis 2:14a5d6ad92d5 1366 Radio.Sleep( );
mluis 2:14a5d6ad92d5 1367 }
mluis 2:14a5d6ad92d5 1368 else
mluis 2:14a5d6ad92d5 1369 {
mluis 2:14a5d6ad92d5 1370 OnRxWindow2TimerEvent( );
mluis 2:14a5d6ad92d5 1371 }
mluis 2:14a5d6ad92d5 1372
mluis 2:14a5d6ad92d5 1373 if( RxSlot == 1 )
mluis 2:14a5d6ad92d5 1374 {
mluis 2:14a5d6ad92d5 1375 if( NodeAckRequested == true )
mluis 2:14a5d6ad92d5 1376 {
mluis 2:14a5d6ad92d5 1377 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX2_TIMEOUT;
mluis 2:14a5d6ad92d5 1378 }
mluis 2:14a5d6ad92d5 1379 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX2_TIMEOUT;
mluis 2:14a5d6ad92d5 1380 LoRaMacFlags.Bits.MacDone = 1;
mluis 2:14a5d6ad92d5 1381 }
mluis 2:14a5d6ad92d5 1382 }
mluis 2:14a5d6ad92d5 1383
mluis 2:14a5d6ad92d5 1384 static void OnMacStateCheckTimerEvent( void )
mluis 2:14a5d6ad92d5 1385 {
mluis 2:14a5d6ad92d5 1386 TimerStop( &MacStateCheckTimer );
mluis 2:14a5d6ad92d5 1387 bool txTimeout = false;
mluis 2:14a5d6ad92d5 1388
mluis 2:14a5d6ad92d5 1389 if( LoRaMacFlags.Bits.MacDone == 1 )
mluis 2:14a5d6ad92d5 1390 {
mluis 4:37c12dbc8dc7 1391 if( ( LoRaMacState & MAC_RX_ABORT ) == MAC_RX_ABORT )
mluis 4:37c12dbc8dc7 1392 {
mluis 4:37c12dbc8dc7 1393 LoRaMacState &= ~MAC_RX_ABORT;
mluis 4:37c12dbc8dc7 1394 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 4:37c12dbc8dc7 1395 }
mluis 4:37c12dbc8dc7 1396
mluis 2:14a5d6ad92d5 1397 if( ( LoRaMacFlags.Bits.MlmeReq == 1 ) || ( ( LoRaMacFlags.Bits.McpsReq == 1 ) ) )
mluis 2:14a5d6ad92d5 1398 {
mluis 2:14a5d6ad92d5 1399 if( ( McpsConfirm.Status == LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT ) ||
mluis 2:14a5d6ad92d5 1400 ( MlmeConfirm.Status == LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT ) )
mluis 2:14a5d6ad92d5 1401 {
mluis 2:14a5d6ad92d5 1402 // Stop transmit cycle due to tx timeout.
mluis 2:14a5d6ad92d5 1403 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 2:14a5d6ad92d5 1404 McpsConfirm.NbRetries = AckTimeoutRetriesCounter;
mluis 2:14a5d6ad92d5 1405 McpsConfirm.AckReceived = false;
mluis 2:14a5d6ad92d5 1406 McpsConfirm.TxTimeOnAir = 0;
mluis 2:14a5d6ad92d5 1407 txTimeout = true;
mluis 2:14a5d6ad92d5 1408 }
mluis 2:14a5d6ad92d5 1409 }
mluis 2:14a5d6ad92d5 1410
mluis 2:14a5d6ad92d5 1411 if( ( NodeAckRequested == false ) && ( txTimeout == false ) )
mluis 2:14a5d6ad92d5 1412 {
mluis 2:14a5d6ad92d5 1413 if( LoRaMacFlags.Bits.MlmeReq == 1 )
mluis 2:14a5d6ad92d5 1414 {
mluis 2:14a5d6ad92d5 1415 if( MlmeConfirm.MlmeRequest == MLME_JOIN )
mluis 2:14a5d6ad92d5 1416 {
mluis 7:c16969e0f70f 1417 // Retransmit only if the answer is not OK
mluis 7:c16969e0f70f 1418 ChannelsNbRepCounter = 0;
mluis 7:c16969e0f70f 1419
mluis 2:14a5d6ad92d5 1420 if( MlmeConfirm.Status == LORAMAC_EVENT_INFO_STATUS_OK )
mluis 2:14a5d6ad92d5 1421 {
mluis 7:c16969e0f70f 1422 // Stop retransmission
mluis 7:c16969e0f70f 1423 ChannelsNbRepCounter = LoRaMacParams.ChannelsNbRep;
mluis 2:14a5d6ad92d5 1424 UpLinkCounter = 0;
mluis 2:14a5d6ad92d5 1425 }
mluis 2:14a5d6ad92d5 1426 }
mluis 2:14a5d6ad92d5 1427 }
mluis 2:14a5d6ad92d5 1428 if( ( LoRaMacFlags.Bits.MlmeReq == 1 ) || ( ( LoRaMacFlags.Bits.McpsReq == 1 ) ) )
mluis 2:14a5d6ad92d5 1429 {
mluis 7:c16969e0f70f 1430 if( ( ChannelsNbRepCounter >= LoRaMacParams.ChannelsNbRep ) || ( LoRaMacFlags.Bits.McpsInd == 1 ) )
mluis 2:14a5d6ad92d5 1431 {
mluis 2:14a5d6ad92d5 1432 ChannelsNbRepCounter = 0;
mluis 2:14a5d6ad92d5 1433
mluis 2:14a5d6ad92d5 1434 AdrAckCounter++;
mluis 2:14a5d6ad92d5 1435 if( IsUpLinkCounterFixed == false )
mluis 2:14a5d6ad92d5 1436 {
mluis 2:14a5d6ad92d5 1437 UpLinkCounter++;
mluis 2:14a5d6ad92d5 1438 }
mluis 2:14a5d6ad92d5 1439
mluis 2:14a5d6ad92d5 1440 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 2:14a5d6ad92d5 1441 }
mluis 2:14a5d6ad92d5 1442 else
mluis 2:14a5d6ad92d5 1443 {
mluis 2:14a5d6ad92d5 1444 LoRaMacFlags.Bits.MacDone = 0;
mluis 2:14a5d6ad92d5 1445 // Sends the same frame again
mluis 2:14a5d6ad92d5 1446 ScheduleTx( );
mluis 2:14a5d6ad92d5 1447 }
mluis 2:14a5d6ad92d5 1448 }
mluis 2:14a5d6ad92d5 1449 }
mluis 2:14a5d6ad92d5 1450
mluis 2:14a5d6ad92d5 1451 if( LoRaMacFlags.Bits.McpsInd == 1 )
mluis 2:14a5d6ad92d5 1452 {
mluis 2:14a5d6ad92d5 1453 if( ( McpsConfirm.AckReceived == true ) || ( AckTimeoutRetriesCounter > AckTimeoutRetries ) )
mluis 2:14a5d6ad92d5 1454 {
mluis 2:14a5d6ad92d5 1455 AckTimeoutRetry = false;
mluis 3:b9d87593a8ae 1456 NodeAckRequested = false;
mluis 2:14a5d6ad92d5 1457 if( IsUpLinkCounterFixed == false )
mluis 2:14a5d6ad92d5 1458 {
mluis 2:14a5d6ad92d5 1459 UpLinkCounter++;
mluis 2:14a5d6ad92d5 1460 }
mluis 2:14a5d6ad92d5 1461 McpsConfirm.NbRetries = AckTimeoutRetriesCounter;
mluis 2:14a5d6ad92d5 1462
mluis 2:14a5d6ad92d5 1463 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 2:14a5d6ad92d5 1464 }
mluis 2:14a5d6ad92d5 1465 }
mluis 2:14a5d6ad92d5 1466
mluis 2:14a5d6ad92d5 1467 if( ( AckTimeoutRetry == true ) && ( ( LoRaMacState & MAC_TX_DELAYED ) == 0 ) )
mluis 2:14a5d6ad92d5 1468 {
mluis 2:14a5d6ad92d5 1469 AckTimeoutRetry = false;
mluis 2:14a5d6ad92d5 1470 if( ( AckTimeoutRetriesCounter < AckTimeoutRetries ) && ( AckTimeoutRetriesCounter <= MAX_ACK_RETRIES ) )
mluis 2:14a5d6ad92d5 1471 {
mluis 2:14a5d6ad92d5 1472 AckTimeoutRetriesCounter++;
mluis 2:14a5d6ad92d5 1473
mluis 2:14a5d6ad92d5 1474 if( ( AckTimeoutRetriesCounter % 2 ) == 1 )
mluis 2:14a5d6ad92d5 1475 {
mluis 7:c16969e0f70f 1476 LoRaMacParams.ChannelsDatarate = MAX( LoRaMacParams.ChannelsDatarate - 1, LORAMAC_TX_MIN_DATARATE );
mluis 2:14a5d6ad92d5 1477 }
mluis 2:14a5d6ad92d5 1478 LoRaMacFlags.Bits.MacDone = 0;
mluis 2:14a5d6ad92d5 1479 // Sends the same frame again
mluis 2:14a5d6ad92d5 1480 ScheduleTx( );
mluis 2:14a5d6ad92d5 1481 }
mluis 2:14a5d6ad92d5 1482 else
mluis 2:14a5d6ad92d5 1483 {
mluis 2:14a5d6ad92d5 1484 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 2:14a5d6ad92d5 1485 // Re-enable default channels LC1, LC2, LC3
mluis 7:c16969e0f70f 1486 LoRaMacParams.ChannelsMask[0] = LoRaMacParams.ChannelsMask[0] | ( LC( 1 ) + LC( 2 ) + LC( 3 ) );
mluis 2:14a5d6ad92d5 1487 #elif defined( USE_BAND_915 )
mluis 2:14a5d6ad92d5 1488 // Re-enable default channels
mluis 7:c16969e0f70f 1489 LoRaMacParams.ChannelsMask[0] = 0xFFFF;
mluis 7:c16969e0f70f 1490 LoRaMacParams.ChannelsMask[1] = 0xFFFF;
mluis 7:c16969e0f70f 1491 LoRaMacParams.ChannelsMask[2] = 0xFFFF;
mluis 7:c16969e0f70f 1492 LoRaMacParams.ChannelsMask[3] = 0xFFFF;
mluis 7:c16969e0f70f 1493 LoRaMacParams.ChannelsMask[4] = 0x00FF;
mluis 7:c16969e0f70f 1494 LoRaMacParams.ChannelsMask[5] = 0x0000;
mluis 2:14a5d6ad92d5 1495 #elif defined( USE_BAND_915_HYBRID )
mluis 2:14a5d6ad92d5 1496 // Re-enable default channels
mluis 7:c16969e0f70f 1497 ReenableChannels( LoRaMacParams.ChannelsMask[4], LoRaMacParams.ChannelsMask );
mluis 2:14a5d6ad92d5 1498 #else
mluis 2:14a5d6ad92d5 1499 #error "Please define a frequency band in the compiler options."
mluis 2:14a5d6ad92d5 1500 #endif
mluis 2:14a5d6ad92d5 1501 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 2:14a5d6ad92d5 1502
mluis 3:b9d87593a8ae 1503 NodeAckRequested = false;
mluis 2:14a5d6ad92d5 1504 McpsConfirm.AckReceived = false;
mluis 2:14a5d6ad92d5 1505 McpsConfirm.NbRetries = AckTimeoutRetriesCounter;
mluis 2:14a5d6ad92d5 1506 if( IsUpLinkCounterFixed == false )
mluis 2:14a5d6ad92d5 1507 {
mluis 2:14a5d6ad92d5 1508 UpLinkCounter++;
mluis 2:14a5d6ad92d5 1509 }
mluis 2:14a5d6ad92d5 1510 }
mluis 2:14a5d6ad92d5 1511 }
mluis 2:14a5d6ad92d5 1512 }
mluis 2:14a5d6ad92d5 1513 // Handle reception for Class B and Class C
mluis 2:14a5d6ad92d5 1514 if( ( LoRaMacState & MAC_RX ) == MAC_RX )
mluis 2:14a5d6ad92d5 1515 {
mluis 2:14a5d6ad92d5 1516 LoRaMacState &= ~MAC_RX;
mluis 2:14a5d6ad92d5 1517 }
mluis 2:14a5d6ad92d5 1518 if( LoRaMacState == MAC_IDLE )
mluis 2:14a5d6ad92d5 1519 {
mluis 2:14a5d6ad92d5 1520 if( LoRaMacFlags.Bits.McpsReq == 1 )
mluis 2:14a5d6ad92d5 1521 {
mluis 2:14a5d6ad92d5 1522 LoRaMacPrimitives->MacMcpsConfirm( &McpsConfirm );
mluis 2:14a5d6ad92d5 1523 LoRaMacFlags.Bits.McpsReq = 0;
mluis 2:14a5d6ad92d5 1524 }
mluis 2:14a5d6ad92d5 1525
mluis 2:14a5d6ad92d5 1526 if( LoRaMacFlags.Bits.MlmeReq == 1 )
mluis 2:14a5d6ad92d5 1527 {
mluis 2:14a5d6ad92d5 1528 LoRaMacPrimitives->MacMlmeConfirm( &MlmeConfirm );
mluis 2:14a5d6ad92d5 1529 LoRaMacFlags.Bits.MlmeReq = 0;
mluis 2:14a5d6ad92d5 1530 }
mluis 2:14a5d6ad92d5 1531
mluis 2:14a5d6ad92d5 1532 LoRaMacFlags.Bits.MacDone = 0;
mluis 2:14a5d6ad92d5 1533 }
mluis 2:14a5d6ad92d5 1534 else
mluis 2:14a5d6ad92d5 1535 {
mluis 2:14a5d6ad92d5 1536 // Operation not finished restart timer
mluis 3:b9d87593a8ae 1537 TimerSetValue( &MacStateCheckTimer, MAC_STATE_CHECK_TIMEOUT );
mluis 2:14a5d6ad92d5 1538 TimerStart( &MacStateCheckTimer );
mluis 2:14a5d6ad92d5 1539 }
mluis 2:14a5d6ad92d5 1540
mluis 2:14a5d6ad92d5 1541 if( LoRaMacFlags.Bits.McpsInd == 1 )
mluis 2:14a5d6ad92d5 1542 {
mluis 2:14a5d6ad92d5 1543 LoRaMacPrimitives->MacMcpsIndication( &McpsIndication );
mluis 2:14a5d6ad92d5 1544 LoRaMacFlags.Bits.McpsInd = 0;
mluis 2:14a5d6ad92d5 1545 }
mluis 2:14a5d6ad92d5 1546 }
mluis 2:14a5d6ad92d5 1547
mluis 2:14a5d6ad92d5 1548 static void OnTxDelayedTimerEvent( void )
mluis 2:14a5d6ad92d5 1549 {
mluis 7:c16969e0f70f 1550 LoRaMacHeader_t macHdr;
mluis 7:c16969e0f70f 1551 LoRaMacFrameCtrl_t fCtrl;
mluis 7:c16969e0f70f 1552
mluis 2:14a5d6ad92d5 1553 TimerStop( &TxDelayedTimer );
mluis 2:14a5d6ad92d5 1554 LoRaMacState &= ~MAC_TX_DELAYED;
mluis 2:14a5d6ad92d5 1555
mluis 7:c16969e0f70f 1556 if( ( LoRaMacFlags.Bits.MlmeReq == 1 ) && ( MlmeConfirm.MlmeRequest == MLME_JOIN ) )
mluis 7:c16969e0f70f 1557 {
mluis 7:c16969e0f70f 1558 macHdr.Value = 0;
mluis 7:c16969e0f70f 1559 macHdr.Bits.MType = FRAME_TYPE_JOIN_REQ;
mluis 7:c16969e0f70f 1560
mluis 7:c16969e0f70f 1561 fCtrl.Value = 0;
mluis 7:c16969e0f70f 1562 fCtrl.Bits.Adr = AdrCtrlOn;
mluis 7:c16969e0f70f 1563
mluis 7:c16969e0f70f 1564 /* In case of a join request retransmission, the stack must prepare
mluis 7:c16969e0f70f 1565 * the frame again, because the network server keeps track of the random
mluis 7:c16969e0f70f 1566 * LoRaMacDevNonce values to prevent reply attacks. */
mluis 7:c16969e0f70f 1567 PrepareFrame( &macHdr, &fCtrl, 0, NULL, 0 );
mluis 7:c16969e0f70f 1568 }
mluis 7:c16969e0f70f 1569
mluis 2:14a5d6ad92d5 1570 ScheduleTx( );
mluis 2:14a5d6ad92d5 1571 }
mluis 2:14a5d6ad92d5 1572
mluis 2:14a5d6ad92d5 1573 static void OnRxWindow1TimerEvent( void )
mluis 2:14a5d6ad92d5 1574 {
mluis 2:14a5d6ad92d5 1575 uint16_t symbTimeout = 5; // DR_2, DR_1, DR_0
mluis 2:14a5d6ad92d5 1576 int8_t datarate = 0;
mluis 2:14a5d6ad92d5 1577 uint32_t bandwidth = 0; // LoRa 125 kHz
mluis 2:14a5d6ad92d5 1578
mluis 2:14a5d6ad92d5 1579 TimerStop( &RxWindowTimer1 );
mluis 2:14a5d6ad92d5 1580 RxSlot = 0;
mluis 2:14a5d6ad92d5 1581
mluis 2:14a5d6ad92d5 1582 if( LoRaMacDeviceClass == CLASS_C )
mluis 2:14a5d6ad92d5 1583 {
mluis 2:14a5d6ad92d5 1584 Radio.Standby( );
mluis 2:14a5d6ad92d5 1585 }
mluis 2:14a5d6ad92d5 1586
mluis 2:14a5d6ad92d5 1587 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 7:c16969e0f70f 1588 datarate = LoRaMacParams.ChannelsDatarate - LoRaMacParams.Rx1DrOffset;
mluis 2:14a5d6ad92d5 1589 if( datarate < 0 )
mluis 2:14a5d6ad92d5 1590 {
mluis 2:14a5d6ad92d5 1591 datarate = DR_0;
mluis 2:14a5d6ad92d5 1592 }
mluis 2:14a5d6ad92d5 1593
mluis 2:14a5d6ad92d5 1594 // For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis 4:37c12dbc8dc7 1595 if( ( datarate == DR_3 ) || ( datarate == DR_4 ) )
mluis 4:37c12dbc8dc7 1596 { // DR_4, DR_3
mluis 2:14a5d6ad92d5 1597 symbTimeout = 8;
mluis 2:14a5d6ad92d5 1598 }
mluis 4:37c12dbc8dc7 1599 else if( datarate == DR_5 )
mluis 4:37c12dbc8dc7 1600 {
mluis 4:37c12dbc8dc7 1601 symbTimeout = 10;
mluis 4:37c12dbc8dc7 1602 }
mluis 4:37c12dbc8dc7 1603 else if( datarate == DR_6 )
mluis 2:14a5d6ad92d5 1604 {// LoRa 250 kHz
mluis 2:14a5d6ad92d5 1605 bandwidth = 1;
mluis 4:37c12dbc8dc7 1606 symbTimeout = 14;
mluis 2:14a5d6ad92d5 1607 }
mluis 2:14a5d6ad92d5 1608 RxWindowSetup( Channels[Channel].Frequency, datarate, bandwidth, symbTimeout, false );
mluis 2:14a5d6ad92d5 1609 #elif ( defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID ) )
mluis 7:c16969e0f70f 1610 datarate = datarateOffsets[LoRaMacParams.ChannelsDatarate][LoRaMacParams.Rx1DrOffset];
mluis 2:14a5d6ad92d5 1611 if( datarate < 0 )
mluis 2:14a5d6ad92d5 1612 {
mluis 2:14a5d6ad92d5 1613 datarate = DR_0;
mluis 2:14a5d6ad92d5 1614 }
mluis 2:14a5d6ad92d5 1615 // For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis 4:37c12dbc8dc7 1616 switch( datarate )
mluis 4:37c12dbc8dc7 1617 {
mluis 4:37c12dbc8dc7 1618 case DR_0: // SF10 - BW125
mluis 4:37c12dbc8dc7 1619 symbTimeout = 5;
mluis 4:37c12dbc8dc7 1620 break;
mluis 4:37c12dbc8dc7 1621
mluis 4:37c12dbc8dc7 1622 case DR_1: // SF9 - BW125
mluis 4:37c12dbc8dc7 1623 case DR_2: // SF8 - BW125
mluis 4:37c12dbc8dc7 1624 case DR_8: // SF12 - BW500
mluis 4:37c12dbc8dc7 1625 case DR_9: // SF11 - BW500
mluis 4:37c12dbc8dc7 1626 case DR_10: // SF10 - BW500
mluis 4:37c12dbc8dc7 1627 symbTimeout = 8;
mluis 4:37c12dbc8dc7 1628 break;
mluis 4:37c12dbc8dc7 1629
mluis 4:37c12dbc8dc7 1630 case DR_3: // SF7 - BW125
mluis 4:37c12dbc8dc7 1631 case DR_11: // SF9 - BW500
mluis 4:37c12dbc8dc7 1632 symbTimeout = 10;
mluis 4:37c12dbc8dc7 1633 break;
mluis 4:37c12dbc8dc7 1634
mluis 4:37c12dbc8dc7 1635 case DR_4: // SF8 - BW500
mluis 4:37c12dbc8dc7 1636 case DR_12: // SF8 - BW500
mluis 4:37c12dbc8dc7 1637 symbTimeout = 14;
mluis 4:37c12dbc8dc7 1638 break;
mluis 4:37c12dbc8dc7 1639
mluis 4:37c12dbc8dc7 1640 case DR_13: // SF7 - BW500
mluis 4:37c12dbc8dc7 1641 symbTimeout = 16;
mluis 4:37c12dbc8dc7 1642 break;
mluis 4:37c12dbc8dc7 1643 default:
mluis 4:37c12dbc8dc7 1644 break;
mluis 2:14a5d6ad92d5 1645 }
mluis 2:14a5d6ad92d5 1646 if( datarate >= DR_4 )
mluis 2:14a5d6ad92d5 1647 {// LoRa 500 kHz
mluis 2:14a5d6ad92d5 1648 bandwidth = 2;
mluis 2:14a5d6ad92d5 1649 }
mluis 7:c16969e0f70f 1650 RxWindowSetup( LORAMAC_FIRST_RX2_CHANNEL + ( Channel % 8 ) * LORAMAC_STEPWIDTH_RX2_CHANNEL, datarate, bandwidth, symbTimeout, false );
mluis 2:14a5d6ad92d5 1651 #else
mluis 2:14a5d6ad92d5 1652 #error "Please define a frequency band in the compiler options."
mluis 2:14a5d6ad92d5 1653 #endif
mluis 2:14a5d6ad92d5 1654 }
mluis 2:14a5d6ad92d5 1655
mluis 2:14a5d6ad92d5 1656 static void OnRxWindow2TimerEvent( void )
mluis 2:14a5d6ad92d5 1657 {
mluis 2:14a5d6ad92d5 1658 uint16_t symbTimeout = 5; // DR_2, DR_1, DR_0
mluis 2:14a5d6ad92d5 1659 uint32_t bandwidth = 0; // LoRa 125 kHz
mluis 2:14a5d6ad92d5 1660
mluis 2:14a5d6ad92d5 1661 TimerStop( &RxWindowTimer2 );
mluis 2:14a5d6ad92d5 1662 RxSlot = 1;
mluis 2:14a5d6ad92d5 1663
mluis 2:14a5d6ad92d5 1664 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 2:14a5d6ad92d5 1665 // For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis 7:c16969e0f70f 1666 if( ( LoRaMacParams.Rx2Channel.Datarate == DR_3 ) || ( LoRaMacParams.Rx2Channel.Datarate == DR_4 ) )
mluis 4:37c12dbc8dc7 1667 { // DR_4, DR_3
mluis 2:14a5d6ad92d5 1668 symbTimeout = 8;
mluis 2:14a5d6ad92d5 1669 }
mluis 7:c16969e0f70f 1670 else if( LoRaMacParams.Rx2Channel.Datarate == DR_5 )
mluis 4:37c12dbc8dc7 1671 {
mluis 4:37c12dbc8dc7 1672 symbTimeout = 10;
mluis 4:37c12dbc8dc7 1673 }
mluis 7:c16969e0f70f 1674 else if( LoRaMacParams.Rx2Channel.Datarate == DR_6 )
mluis 2:14a5d6ad92d5 1675 {// LoRa 250 kHz
mluis 2:14a5d6ad92d5 1676 bandwidth = 1;
mluis 4:37c12dbc8dc7 1677 symbTimeout = 14;
mluis 2:14a5d6ad92d5 1678 }
mluis 2:14a5d6ad92d5 1679 #elif ( defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID ) )
mluis 2:14a5d6ad92d5 1680 // For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis 7:c16969e0f70f 1681 switch( LoRaMacParams.Rx2Channel.Datarate )
mluis 4:37c12dbc8dc7 1682 {
mluis 4:37c12dbc8dc7 1683 case DR_0: // SF10 - BW125
mluis 4:37c12dbc8dc7 1684 symbTimeout = 5;
mluis 4:37c12dbc8dc7 1685 break;
mluis 4:37c12dbc8dc7 1686
mluis 4:37c12dbc8dc7 1687 case DR_1: // SF9 - BW125
mluis 4:37c12dbc8dc7 1688 case DR_2: // SF8 - BW125
mluis 4:37c12dbc8dc7 1689 case DR_8: // SF12 - BW500
mluis 4:37c12dbc8dc7 1690 case DR_9: // SF11 - BW500
mluis 4:37c12dbc8dc7 1691 case DR_10: // SF10 - BW500
mluis 4:37c12dbc8dc7 1692 symbTimeout = 8;
mluis 4:37c12dbc8dc7 1693 break;
mluis 4:37c12dbc8dc7 1694
mluis 4:37c12dbc8dc7 1695 case DR_3: // SF7 - BW125
mluis 4:37c12dbc8dc7 1696 case DR_11: // SF9 - BW500
mluis 4:37c12dbc8dc7 1697 symbTimeout = 10;
mluis 4:37c12dbc8dc7 1698 break;
mluis 4:37c12dbc8dc7 1699
mluis 4:37c12dbc8dc7 1700 case DR_4: // SF8 - BW500
mluis 4:37c12dbc8dc7 1701 case DR_12: // SF8 - BW500
mluis 4:37c12dbc8dc7 1702 symbTimeout = 14;
mluis 4:37c12dbc8dc7 1703 break;
mluis 4:37c12dbc8dc7 1704
mluis 4:37c12dbc8dc7 1705 case DR_13: // SF7 - BW500
mluis 4:37c12dbc8dc7 1706 symbTimeout = 16;
mluis 4:37c12dbc8dc7 1707 break;
mluis 4:37c12dbc8dc7 1708 default:
mluis 4:37c12dbc8dc7 1709 break;
mluis 2:14a5d6ad92d5 1710 }
mluis 7:c16969e0f70f 1711 if( LoRaMacParams.Rx2Channel.Datarate >= DR_4 )
mluis 2:14a5d6ad92d5 1712 {// LoRa 500 kHz
mluis 2:14a5d6ad92d5 1713 bandwidth = 2;
mluis 2:14a5d6ad92d5 1714 }
mluis 2:14a5d6ad92d5 1715 #else
mluis 2:14a5d6ad92d5 1716 #error "Please define a frequency band in the compiler options."
mluis 2:14a5d6ad92d5 1717 #endif
mluis 2:14a5d6ad92d5 1718 if( LoRaMacDeviceClass != CLASS_C )
mluis 2:14a5d6ad92d5 1719 {
mluis 7:c16969e0f70f 1720 RxWindowSetup( LoRaMacParams.Rx2Channel.Frequency, LoRaMacParams.Rx2Channel.Datarate, bandwidth, symbTimeout, false );
mluis 2:14a5d6ad92d5 1721 }
mluis 2:14a5d6ad92d5 1722 else
mluis 2:14a5d6ad92d5 1723 {
mluis 7:c16969e0f70f 1724 RxWindowSetup( LoRaMacParams.Rx2Channel.Frequency, LoRaMacParams.Rx2Channel.Datarate, bandwidth, symbTimeout, true );
mluis 2:14a5d6ad92d5 1725 }
mluis 2:14a5d6ad92d5 1726 }
mluis 2:14a5d6ad92d5 1727
mluis 2:14a5d6ad92d5 1728 static void OnAckTimeoutTimerEvent( void )
mluis 2:14a5d6ad92d5 1729 {
mluis 2:14a5d6ad92d5 1730 TimerStop( &AckTimeoutTimer );
mluis 2:14a5d6ad92d5 1731
mluis 2:14a5d6ad92d5 1732 if( NodeAckRequested == true )
mluis 2:14a5d6ad92d5 1733 {
mluis 2:14a5d6ad92d5 1734 AckTimeoutRetry = true;
mluis 2:14a5d6ad92d5 1735 LoRaMacState &= ~MAC_ACK_REQ;
mluis 2:14a5d6ad92d5 1736 }
mluis 2:14a5d6ad92d5 1737 if( LoRaMacDeviceClass == CLASS_C )
mluis 2:14a5d6ad92d5 1738 {
mluis 2:14a5d6ad92d5 1739 LoRaMacFlags.Bits.MacDone = 1;
mluis 2:14a5d6ad92d5 1740 }
mluis 2:14a5d6ad92d5 1741 }
mluis 2:14a5d6ad92d5 1742
mluis 3:b9d87593a8ae 1743 static bool SetNextChannel( TimerTime_t* time )
mluis 2:14a5d6ad92d5 1744 {
mluis 0:91d1a7783bb9 1745 uint8_t nbEnabledChannels = 0;
mluis 3:b9d87593a8ae 1746 uint8_t delayTx = 0;
mluis 0:91d1a7783bb9 1747 uint8_t enabledChannels[LORA_MAX_NB_CHANNELS];
mluis 2:14a5d6ad92d5 1748 TimerTime_t nextTxDelay = ( TimerTime_t )( -1 );
mluis 0:91d1a7783bb9 1749
mluis 1:91e4e6c60d1e 1750 memset1( enabledChannels, 0, LORA_MAX_NB_CHANNELS );
mluis 0:91d1a7783bb9 1751
mluis 2:14a5d6ad92d5 1752 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 3:b9d87593a8ae 1753 if( CountNbEnabled125kHzChannels( ChannelsMaskRemaining ) == 0 )
mluis 3:b9d87593a8ae 1754 { // Restore default channels
mluis 7:c16969e0f70f 1755 memcpy1( ( uint8_t* ) ChannelsMaskRemaining, ( uint8_t* ) LoRaMacParams.ChannelsMask, 8 );
mluis 3:b9d87593a8ae 1756 }
mluis 7:c16969e0f70f 1757 if( ( LoRaMacParams.ChannelsDatarate >= DR_4 ) && ( ( ChannelsMaskRemaining[4] & 0x00FF ) == 0 ) )
mluis 3:b9d87593a8ae 1758 { // Make sure, that the channels are activated
mluis 7:c16969e0f70f 1759 ChannelsMaskRemaining[4] = LoRaMacParams.ChannelsMask[4];
mluis 3:b9d87593a8ae 1760 }
mluis 3:b9d87593a8ae 1761 #else
mluis 7:c16969e0f70f 1762 if( CountBits( LoRaMacParams.ChannelsMask[0], 16 ) == 0 )
mluis 3:b9d87593a8ae 1763 {
mluis 3:b9d87593a8ae 1764 // Re-enable default channels, if no channel is enabled
mluis 7:c16969e0f70f 1765 LoRaMacParams.ChannelsMask[0] = LoRaMacParams.ChannelsMask[0] | ( LC( 1 ) + LC( 2 ) + LC( 3 ) );
mluis 2:14a5d6ad92d5 1766 }
mluis 2:14a5d6ad92d5 1767 #endif
mluis 2:14a5d6ad92d5 1768
mluis 0:91d1a7783bb9 1769 // Update Aggregated duty cycle
mluis 4:37c12dbc8dc7 1770 if( AggregatedTimeOff <= TimerGetElapsedTime( AggregatedLastTxDoneTime ) )
mluis 0:91d1a7783bb9 1771 {
mluis 0:91d1a7783bb9 1772 AggregatedTimeOff = 0;
mluis 2:14a5d6ad92d5 1773
mluis 2:14a5d6ad92d5 1774 // Update bands Time OFF
mluis 2:14a5d6ad92d5 1775 for( uint8_t i = 0; i < LORA_MAX_NB_BANDS; i++ )
mluis 0:91d1a7783bb9 1776 {
mluis 2:14a5d6ad92d5 1777 if( DutyCycleOn == true )
mluis 0:91d1a7783bb9 1778 {
mluis 4:37c12dbc8dc7 1779 if( Bands[i].TimeOff <= TimerGetElapsedTime( Bands[i].LastTxDoneTime ) )
mluis 2:14a5d6ad92d5 1780 {
mluis 2:14a5d6ad92d5 1781 Bands[i].TimeOff = 0;
mluis 2:14a5d6ad92d5 1782 }
mluis 2:14a5d6ad92d5 1783 if( Bands[i].TimeOff != 0 )
mluis 2:14a5d6ad92d5 1784 {
mluis 2:14a5d6ad92d5 1785 nextTxDelay = MIN( Bands[i].TimeOff -
mluis 4:37c12dbc8dc7 1786 TimerGetElapsedTime( Bands[i].LastTxDoneTime ),
mluis 2:14a5d6ad92d5 1787 nextTxDelay );
mluis 2:14a5d6ad92d5 1788 }
mluis 2:14a5d6ad92d5 1789 }
mluis 2:14a5d6ad92d5 1790 else
mluis 2:14a5d6ad92d5 1791 {
mluis 2:14a5d6ad92d5 1792 nextTxDelay = 0;
mluis 0:91d1a7783bb9 1793 Bands[i].TimeOff = 0;
mluis 0:91d1a7783bb9 1794 }
mluis 2:14a5d6ad92d5 1795 }
mluis 2:14a5d6ad92d5 1796
mluis 2:14a5d6ad92d5 1797 // Search how many channels are enabled
mluis 2:14a5d6ad92d5 1798 for( uint8_t i = 0, k = 0; i < LORA_MAX_NB_CHANNELS; i += 16, k++ )
mluis 2:14a5d6ad92d5 1799 {
mluis 2:14a5d6ad92d5 1800 for( uint8_t j = 0; j < 16; j++ )
mluis 0:91d1a7783bb9 1801 {
mluis 2:14a5d6ad92d5 1802 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 2:14a5d6ad92d5 1803 if( ( ChannelsMaskRemaining[k] & ( 1 << j ) ) != 0 )
mluis 2:14a5d6ad92d5 1804 #else
mluis 7:c16969e0f70f 1805 if( ( LoRaMacParams.ChannelsMask[k] & ( 1 << j ) ) != 0 )
mluis 2:14a5d6ad92d5 1806 #endif
mluis 2:14a5d6ad92d5 1807 {
mluis 2:14a5d6ad92d5 1808 if( Channels[i + j].Frequency == 0 )
mluis 2:14a5d6ad92d5 1809 { // Check if the channel is enabled
mluis 2:14a5d6ad92d5 1810 continue;
mluis 2:14a5d6ad92d5 1811 }
mluis 4:37c12dbc8dc7 1812 #if defined( USE_BAND_868 ) || defined( USE_BAND_433 ) || defined( USE_BAND_780 )
mluis 4:37c12dbc8dc7 1813 if( IsLoRaMacNetworkJoined == false )
mluis 4:37c12dbc8dc7 1814 {
mluis 4:37c12dbc8dc7 1815 if( ( JOIN_CHANNELS & ( 1 << j ) ) == 0 )
mluis 4:37c12dbc8dc7 1816 {
mluis 4:37c12dbc8dc7 1817 continue;
mluis 4:37c12dbc8dc7 1818 }
mluis 4:37c12dbc8dc7 1819 }
mluis 4:37c12dbc8dc7 1820 #endif
mluis 7:c16969e0f70f 1821 if( ( ( Channels[i + j].DrRange.Fields.Min <= LoRaMacParams.ChannelsDatarate ) &&
mluis 7:c16969e0f70f 1822 ( LoRaMacParams.ChannelsDatarate <= Channels[i + j].DrRange.Fields.Max ) ) == false )
mluis 2:14a5d6ad92d5 1823 { // Check if the current channel selection supports the given datarate
mluis 2:14a5d6ad92d5 1824 continue;
mluis 2:14a5d6ad92d5 1825 }
mluis 2:14a5d6ad92d5 1826 if( Bands[Channels[i + j].Band].TimeOff > 0 )
mluis 2:14a5d6ad92d5 1827 { // Check if the band is available for transmission
mluis 3:b9d87593a8ae 1828 delayTx++;
mluis 2:14a5d6ad92d5 1829 continue;
mluis 2:14a5d6ad92d5 1830 }
mluis 2:14a5d6ad92d5 1831 enabledChannels[nbEnabledChannels++] = i + j;
mluis 2:14a5d6ad92d5 1832 }
mluis 2:14a5d6ad92d5 1833 }
mluis 2:14a5d6ad92d5 1834 }
mluis 2:14a5d6ad92d5 1835 }
mluis 2:14a5d6ad92d5 1836 else
mluis 2:14a5d6ad92d5 1837 {
mluis 3:b9d87593a8ae 1838 delayTx++;
mluis 4:37c12dbc8dc7 1839 nextTxDelay = AggregatedTimeOff - TimerGetElapsedTime( AggregatedLastTxDoneTime );
mluis 2:14a5d6ad92d5 1840 }
mluis 2:14a5d6ad92d5 1841
mluis 2:14a5d6ad92d5 1842 if( nbEnabledChannels > 0 )
mluis 2:14a5d6ad92d5 1843 {
mluis 2:14a5d6ad92d5 1844 Channel = enabledChannels[randr( 0, nbEnabledChannels - 1 )];
mluis 2:14a5d6ad92d5 1845 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 3:b9d87593a8ae 1846 if( Channel < ( LORA_MAX_NB_CHANNELS - 8 ) )
mluis 3:b9d87593a8ae 1847 {
mluis 3:b9d87593a8ae 1848 DisableChannelInMask( Channel, ChannelsMaskRemaining );
mluis 3:b9d87593a8ae 1849 }
mluis 2:14a5d6ad92d5 1850 #endif
mluis 3:b9d87593a8ae 1851 *time = 0;
mluis 3:b9d87593a8ae 1852 return true;
mluis 2:14a5d6ad92d5 1853 }
mluis 2:14a5d6ad92d5 1854 else
mluis 2:14a5d6ad92d5 1855 {
mluis 3:b9d87593a8ae 1856 if( delayTx > 0 )
mluis 3:b9d87593a8ae 1857 {
mluis 3:b9d87593a8ae 1858 // Delay transmission due to AggregatedTimeOff or to a band time off
mluis 3:b9d87593a8ae 1859 *time = nextTxDelay;
mluis 3:b9d87593a8ae 1860 return true;
mluis 3:b9d87593a8ae 1861 }
mluis 3:b9d87593a8ae 1862 // Datarate not supported by any channel
mluis 3:b9d87593a8ae 1863 *time = 0;
mluis 3:b9d87593a8ae 1864 return false;
mluis 2:14a5d6ad92d5 1865 }
mluis 2:14a5d6ad92d5 1866 }
mluis 2:14a5d6ad92d5 1867
mluis 2:14a5d6ad92d5 1868 static void SetPublicNetwork( bool enable )
mluis 2:14a5d6ad92d5 1869 {
mluis 2:14a5d6ad92d5 1870 PublicNetwork = enable;
mluis 2:14a5d6ad92d5 1871 Radio.SetModem( MODEM_LORA );
mluis 2:14a5d6ad92d5 1872 if( PublicNetwork == true )
mluis 2:14a5d6ad92d5 1873 {
mluis 2:14a5d6ad92d5 1874 // Change LoRa modem SyncWord
mluis 2:14a5d6ad92d5 1875 Radio.Write( REG_LR_SYNCWORD, LORA_MAC_PUBLIC_SYNCWORD );
mluis 2:14a5d6ad92d5 1876 }
mluis 2:14a5d6ad92d5 1877 else
mluis 2:14a5d6ad92d5 1878 {
mluis 2:14a5d6ad92d5 1879 // Change LoRa modem SyncWord
mluis 2:14a5d6ad92d5 1880 Radio.Write( REG_LR_SYNCWORD, LORA_MAC_PRIVATE_SYNCWORD );
mluis 2:14a5d6ad92d5 1881 }
mluis 2:14a5d6ad92d5 1882 }
mluis 2:14a5d6ad92d5 1883
mluis 2:14a5d6ad92d5 1884 static void RxWindowSetup( uint32_t freq, int8_t datarate, uint32_t bandwidth, uint16_t timeout, bool rxContinuous )
mluis 2:14a5d6ad92d5 1885 {
mluis 2:14a5d6ad92d5 1886 uint8_t downlinkDatarate = Datarates[datarate];
mluis 2:14a5d6ad92d5 1887 RadioModems_t modem;
mluis 2:14a5d6ad92d5 1888
mluis 2:14a5d6ad92d5 1889 if( Radio.GetStatus( ) == RF_IDLE )
mluis 2:14a5d6ad92d5 1890 {
mluis 2:14a5d6ad92d5 1891 Radio.SetChannel( freq );
mluis 2:14a5d6ad92d5 1892
mluis 2:14a5d6ad92d5 1893 // Store downlink datarate
mluis 2:14a5d6ad92d5 1894 McpsIndication.RxDatarate = ( uint8_t ) datarate;
mluis 2:14a5d6ad92d5 1895
mluis 2:14a5d6ad92d5 1896 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 2:14a5d6ad92d5 1897 if( datarate == DR_7 )
mluis 2:14a5d6ad92d5 1898 {
mluis 2:14a5d6ad92d5 1899 modem = MODEM_FSK;
mluis 2:14a5d6ad92d5 1900 Radio.SetRxConfig( modem, 50e3, downlinkDatarate * 1e3, 0, 83.333e3, 5, 0, false, 0, true, 0, 0, false, rxContinuous );
mluis 2:14a5d6ad92d5 1901 }
mluis 2:14a5d6ad92d5 1902 else
mluis 2:14a5d6ad92d5 1903 {
mluis 2:14a5d6ad92d5 1904 modem = MODEM_LORA;
mluis 2:14a5d6ad92d5 1905 Radio.SetRxConfig( modem, bandwidth, downlinkDatarate, 1, 0, 8, timeout, false, 0, false, 0, 0, true, rxContinuous );
mluis 2:14a5d6ad92d5 1906 }
mluis 2:14a5d6ad92d5 1907 #elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 2:14a5d6ad92d5 1908 modem = MODEM_LORA;
mluis 2:14a5d6ad92d5 1909 Radio.SetRxConfig( modem, bandwidth, downlinkDatarate, 1, 0, 8, timeout, false, 0, false, 0, 0, true, rxContinuous );
mluis 2:14a5d6ad92d5 1910 #endif
mluis 2:14a5d6ad92d5 1911
mluis 2:14a5d6ad92d5 1912 if( RepeaterSupport == true )
mluis 2:14a5d6ad92d5 1913 {
mluis 4:37c12dbc8dc7 1914 Radio.SetMaxPayloadLength( modem, MaxPayloadOfDatarateRepeater[datarate] + LORA_MAC_FRMPAYLOAD_OVERHEAD );
mluis 2:14a5d6ad92d5 1915 }
mluis 2:14a5d6ad92d5 1916 else
mluis 2:14a5d6ad92d5 1917 {
mluis 4:37c12dbc8dc7 1918 Radio.SetMaxPayloadLength( modem, MaxPayloadOfDatarate[datarate] + LORA_MAC_FRMPAYLOAD_OVERHEAD );
mluis 2:14a5d6ad92d5 1919 }
mluis 2:14a5d6ad92d5 1920
mluis 2:14a5d6ad92d5 1921 if( rxContinuous == false )
mluis 2:14a5d6ad92d5 1922 {
mluis 7:c16969e0f70f 1923 Radio.Rx( LoRaMacParams.MaxRxWindow );
mluis 2:14a5d6ad92d5 1924 }
mluis 2:14a5d6ad92d5 1925 else
mluis 2:14a5d6ad92d5 1926 {
mluis 2:14a5d6ad92d5 1927 Radio.Rx( 0 ); // Continuous mode
mluis 2:14a5d6ad92d5 1928 }
mluis 2:14a5d6ad92d5 1929 }
mluis 2:14a5d6ad92d5 1930 }
mluis 2:14a5d6ad92d5 1931
mluis 7:c16969e0f70f 1932 static bool Rx2FreqInRange( uint32_t freq )
mluis 7:c16969e0f70f 1933 {
mluis 7:c16969e0f70f 1934 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 7:c16969e0f70f 1935 if( Radio.CheckRfFrequency( freq ) == true )
mluis 7:c16969e0f70f 1936 #elif ( defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID ) )
mluis 7:c16969e0f70f 1937 if( ( Radio.CheckRfFrequency( freq ) == true ) &&
mluis 7:c16969e0f70f 1938 ( freq >= LORAMAC_FIRST_RX2_CHANNEL ) &&
mluis 7:c16969e0f70f 1939 ( freq <= LORAMAC_LAST_RX2_CHANNEL ) &&
mluis 7:c16969e0f70f 1940 ( ( ( freq - ( uint32_t ) LORAMAC_FIRST_RX2_CHANNEL ) % ( uint32_t ) LORAMAC_STEPWIDTH_RX2_CHANNEL ) == 0 ) )
mluis 7:c16969e0f70f 1941 #endif
mluis 7:c16969e0f70f 1942 {
mluis 7:c16969e0f70f 1943 return true;
mluis 7:c16969e0f70f 1944 }
mluis 7:c16969e0f70f 1945 return false;
mluis 7:c16969e0f70f 1946 }
mluis 7:c16969e0f70f 1947
mluis 2:14a5d6ad92d5 1948 static bool ValidatePayloadLength( uint8_t lenN, int8_t datarate, uint8_t fOptsLen )
mluis 2:14a5d6ad92d5 1949 {
mluis 2:14a5d6ad92d5 1950 uint16_t maxN = 0;
mluis 2:14a5d6ad92d5 1951 uint16_t payloadSize = 0;
mluis 2:14a5d6ad92d5 1952
mluis 2:14a5d6ad92d5 1953 // Get the maximum payload length
mluis 2:14a5d6ad92d5 1954 if( RepeaterSupport == true )
mluis 2:14a5d6ad92d5 1955 {
mluis 2:14a5d6ad92d5 1956 maxN = MaxPayloadOfDatarateRepeater[datarate];
mluis 2:14a5d6ad92d5 1957 }
mluis 2:14a5d6ad92d5 1958 else
mluis 2:14a5d6ad92d5 1959 {
mluis 2:14a5d6ad92d5 1960 maxN = MaxPayloadOfDatarate[datarate];
mluis 2:14a5d6ad92d5 1961 }
mluis 2:14a5d6ad92d5 1962
mluis 2:14a5d6ad92d5 1963 // Calculate the resulting payload size
mluis 2:14a5d6ad92d5 1964 payloadSize = ( lenN + fOptsLen );
mluis 2:14a5d6ad92d5 1965
mluis 2:14a5d6ad92d5 1966 // Validation of the application payload size
mluis 2:14a5d6ad92d5 1967 if( ( payloadSize <= maxN ) && ( payloadSize <= LORAMAC_PHY_MAXPAYLOAD ) )
mluis 2:14a5d6ad92d5 1968 {
mluis 2:14a5d6ad92d5 1969 return true;
mluis 2:14a5d6ad92d5 1970 }
mluis 2:14a5d6ad92d5 1971 return false;
mluis 2:14a5d6ad92d5 1972 }
mluis 2:14a5d6ad92d5 1973
mluis 4:37c12dbc8dc7 1974 static uint8_t CountBits( uint16_t mask, uint8_t nbBits )
mluis 4:37c12dbc8dc7 1975 {
mluis 4:37c12dbc8dc7 1976 uint8_t nbActiveBits = 0;
mluis 4:37c12dbc8dc7 1977
mluis 4:37c12dbc8dc7 1978 for( uint8_t j = 0; j < nbBits; j++ )
mluis 4:37c12dbc8dc7 1979 {
mluis 4:37c12dbc8dc7 1980 if( ( mask & ( 1 << j ) ) == ( 1 << j ) )
mluis 4:37c12dbc8dc7 1981 {
mluis 4:37c12dbc8dc7 1982 nbActiveBits++;
mluis 4:37c12dbc8dc7 1983 }
mluis 4:37c12dbc8dc7 1984 }
mluis 4:37c12dbc8dc7 1985 return nbActiveBits;
mluis 4:37c12dbc8dc7 1986 }
mluis 4:37c12dbc8dc7 1987
mluis 2:14a5d6ad92d5 1988 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 2:14a5d6ad92d5 1989 static uint8_t CountNbEnabled125kHzChannels( uint16_t *channelsMask )
mluis 2:14a5d6ad92d5 1990 {
mluis 2:14a5d6ad92d5 1991 uint8_t nb125kHzChannels = 0;
mluis 2:14a5d6ad92d5 1992
mluis 2:14a5d6ad92d5 1993 for( uint8_t i = 0, k = 0; i < LORA_MAX_NB_CHANNELS - 8; i += 16, k++ )
mluis 2:14a5d6ad92d5 1994 {
mluis 4:37c12dbc8dc7 1995 nb125kHzChannels += CountBits( channelsMask[k], 16 );
mluis 2:14a5d6ad92d5 1996 }
mluis 2:14a5d6ad92d5 1997
mluis 2:14a5d6ad92d5 1998 return nb125kHzChannels;
mluis 2:14a5d6ad92d5 1999 }
mluis 4:37c12dbc8dc7 2000
mluis 4:37c12dbc8dc7 2001 #if defined( USE_BAND_915_HYBRID )
mluis 4:37c12dbc8dc7 2002 static void ReenableChannels( uint16_t mask, uint16_t* channelMask )
mluis 4:37c12dbc8dc7 2003 {
mluis 4:37c12dbc8dc7 2004 uint16_t blockMask = mask;
mluis 4:37c12dbc8dc7 2005
mluis 4:37c12dbc8dc7 2006 for( uint8_t i = 0, j = 0; i < 4; i++, j += 2 )
mluis 4:37c12dbc8dc7 2007 {
mluis 4:37c12dbc8dc7 2008 channelMask[i] = 0;
mluis 4:37c12dbc8dc7 2009 if( ( blockMask & ( 1 << j ) ) != 0 )
mluis 4:37c12dbc8dc7 2010 {
mluis 4:37c12dbc8dc7 2011 channelMask[i] |= 0x00FF;
mluis 4:37c12dbc8dc7 2012 }
mluis 4:37c12dbc8dc7 2013 if( ( blockMask & ( 1 << ( j + 1 ) ) ) != 0 )
mluis 4:37c12dbc8dc7 2014 {
mluis 4:37c12dbc8dc7 2015 channelMask[i] |= 0xFF00;
mluis 4:37c12dbc8dc7 2016 }
mluis 4:37c12dbc8dc7 2017 }
mluis 4:37c12dbc8dc7 2018 channelMask[4] = blockMask;
mluis 4:37c12dbc8dc7 2019 channelMask[5] = 0x0000;
mluis 4:37c12dbc8dc7 2020 }
mluis 4:37c12dbc8dc7 2021
mluis 4:37c12dbc8dc7 2022 static bool ValidateChannelMask( uint16_t* channelMask )
mluis 4:37c12dbc8dc7 2023 {
mluis 4:37c12dbc8dc7 2024 bool chanMaskState = false;
mluis 4:37c12dbc8dc7 2025 uint16_t block1 = 0;
mluis 4:37c12dbc8dc7 2026 uint16_t block2 = 0;
mluis 4:37c12dbc8dc7 2027 uint8_t index = 0;
mluis 4:37c12dbc8dc7 2028
mluis 4:37c12dbc8dc7 2029 for( uint8_t i = 0; i < 4; i++ )
mluis 4:37c12dbc8dc7 2030 {
mluis 4:37c12dbc8dc7 2031 block1 = channelMask[i] & 0x00FF;
mluis 4:37c12dbc8dc7 2032 block2 = channelMask[i] & 0xFF00;
mluis 4:37c12dbc8dc7 2033
mluis 4:37c12dbc8dc7 2034 if( ( CountBits( block1, 16 ) > 5 ) && ( chanMaskState == false ) )
mluis 4:37c12dbc8dc7 2035 {
mluis 4:37c12dbc8dc7 2036 channelMask[i] &= block1;
mluis 4:37c12dbc8dc7 2037 channelMask[4] = 1 << ( i * 2 );
mluis 4:37c12dbc8dc7 2038 chanMaskState = true;
mluis 4:37c12dbc8dc7 2039 index = i;
mluis 4:37c12dbc8dc7 2040 }
mluis 4:37c12dbc8dc7 2041 else if( ( CountBits( block2, 16 ) > 5 ) && ( chanMaskState == false ) )
mluis 4:37c12dbc8dc7 2042 {
mluis 4:37c12dbc8dc7 2043 channelMask[i] &= block2;
mluis 4:37c12dbc8dc7 2044 channelMask[4] = 1 << ( i * 2 + 1 );
mluis 4:37c12dbc8dc7 2045 chanMaskState = true;
mluis 4:37c12dbc8dc7 2046 index = i;
mluis 4:37c12dbc8dc7 2047 }
mluis 4:37c12dbc8dc7 2048 }
mluis 4:37c12dbc8dc7 2049
mluis 4:37c12dbc8dc7 2050 // Do only change the channel mask, if we have found a valid block.
mluis 4:37c12dbc8dc7 2051 if( chanMaskState == true )
mluis 4:37c12dbc8dc7 2052 {
mluis 4:37c12dbc8dc7 2053 for( uint8_t i = 0; i < 4; i++ )
mluis 4:37c12dbc8dc7 2054 {
mluis 4:37c12dbc8dc7 2055 if( i != index )
mluis 4:37c12dbc8dc7 2056 {
mluis 4:37c12dbc8dc7 2057 channelMask[i] = 0;
mluis 4:37c12dbc8dc7 2058 }
mluis 4:37c12dbc8dc7 2059 }
mluis 4:37c12dbc8dc7 2060 }
mluis 4:37c12dbc8dc7 2061 return chanMaskState;
mluis 4:37c12dbc8dc7 2062 }
mluis 4:37c12dbc8dc7 2063 #endif
mluis 2:14a5d6ad92d5 2064 #endif
mluis 2:14a5d6ad92d5 2065
mluis 2:14a5d6ad92d5 2066 static int8_t LimitTxPower( int8_t txPower )
mluis 2:14a5d6ad92d5 2067 {
mluis 2:14a5d6ad92d5 2068 int8_t resultTxPower = txPower;
mluis 2:14a5d6ad92d5 2069 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 7:c16969e0f70f 2070 if( ( LoRaMacParams.ChannelsDatarate == DR_4 ) ||
mluis 7:c16969e0f70f 2071 ( ( LoRaMacParams.ChannelsDatarate >= DR_8 ) && ( LoRaMacParams.ChannelsDatarate <= DR_13 ) ) )
mluis 2:14a5d6ad92d5 2072 {// Limit tx power to max 26dBm
mluis 2:14a5d6ad92d5 2073 resultTxPower = MAX( txPower, TX_POWER_26_DBM );
mluis 2:14a5d6ad92d5 2074 }
mluis 2:14a5d6ad92d5 2075 else
mluis 2:14a5d6ad92d5 2076 {
mluis 7:c16969e0f70f 2077 if( CountNbEnabled125kHzChannels( LoRaMacParams.ChannelsMask ) < 50 )
mluis 2:14a5d6ad92d5 2078 {// Limit tx power to max 21dBm
mluis 2:14a5d6ad92d5 2079 resultTxPower = MAX( txPower, TX_POWER_20_DBM );
mluis 2:14a5d6ad92d5 2080 }
mluis 2:14a5d6ad92d5 2081 }
mluis 2:14a5d6ad92d5 2082 #endif
mluis 2:14a5d6ad92d5 2083 return resultTxPower;
mluis 2:14a5d6ad92d5 2084 }
mluis 2:14a5d6ad92d5 2085
mluis 2:14a5d6ad92d5 2086 static bool ValueInRange( int8_t value, int8_t min, int8_t max )
mluis 2:14a5d6ad92d5 2087 {
mluis 2:14a5d6ad92d5 2088 if( ( value >= min ) && ( value <= max ) )
mluis 2:14a5d6ad92d5 2089 {
mluis 2:14a5d6ad92d5 2090 return true;
mluis 2:14a5d6ad92d5 2091 }
mluis 2:14a5d6ad92d5 2092 return false;
mluis 2:14a5d6ad92d5 2093 }
mluis 2:14a5d6ad92d5 2094
mluis 2:14a5d6ad92d5 2095 static bool DisableChannelInMask( uint8_t id, uint16_t* mask )
mluis 2:14a5d6ad92d5 2096 {
mluis 2:14a5d6ad92d5 2097 uint8_t index = 0;
mluis 2:14a5d6ad92d5 2098 index = id / 16;
mluis 2:14a5d6ad92d5 2099
mluis 2:14a5d6ad92d5 2100 if( ( index > 4 ) || ( id >= LORA_MAX_NB_CHANNELS ) )
mluis 2:14a5d6ad92d5 2101 {
mluis 2:14a5d6ad92d5 2102 return false;
mluis 2:14a5d6ad92d5 2103 }
mluis 2:14a5d6ad92d5 2104
mluis 2:14a5d6ad92d5 2105 // Deactivate channel
mluis 2:14a5d6ad92d5 2106 mask[index] &= ~( 1 << ( id % 16 ) );
mluis 2:14a5d6ad92d5 2107
mluis 2:14a5d6ad92d5 2108 return true;
mluis 2:14a5d6ad92d5 2109 }
mluis 2:14a5d6ad92d5 2110
mluis 2:14a5d6ad92d5 2111 static bool AdrNextDr( bool adrEnabled, bool updateChannelMask, int8_t* datarateOut )
mluis 2:14a5d6ad92d5 2112 {
mluis 2:14a5d6ad92d5 2113 bool adrAckReq = false;
mluis 7:c16969e0f70f 2114 int8_t datarate = LoRaMacParams.ChannelsDatarate;
mluis 2:14a5d6ad92d5 2115
mluis 2:14a5d6ad92d5 2116 if( adrEnabled == true )
mluis 2:14a5d6ad92d5 2117 {
mluis 4:37c12dbc8dc7 2118 if( datarate == LORAMAC_TX_MIN_DATARATE )
mluis 2:14a5d6ad92d5 2119 {
mluis 2:14a5d6ad92d5 2120 AdrAckCounter = 0;
mluis 2:14a5d6ad92d5 2121 adrAckReq = false;
mluis 0:91d1a7783bb9 2122 }
mluis 0:91d1a7783bb9 2123 else
mluis 0:91d1a7783bb9 2124 {
mluis 3:b9d87593a8ae 2125 if( AdrAckCounter >= ADR_ACK_LIMIT )
mluis 2:14a5d6ad92d5 2126 {
mluis 2:14a5d6ad92d5 2127 adrAckReq = true;
mluis 2:14a5d6ad92d5 2128 }
mluis 2:14a5d6ad92d5 2129 else
mluis 2:14a5d6ad92d5 2130 {
mluis 2:14a5d6ad92d5 2131 adrAckReq = false;
mluis 2:14a5d6ad92d5 2132 }
mluis 3:b9d87593a8ae 2133 if( AdrAckCounter >= ( ADR_ACK_LIMIT + ADR_ACK_DELAY ) )
mluis 0:91d1a7783bb9 2134 {
mluis 7:c16969e0f70f 2135 if( ( AdrAckCounter % ADR_ACK_DELAY ) == 0 )
mluis 3:b9d87593a8ae 2136 {
mluis 2:14a5d6ad92d5 2137 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 4:37c12dbc8dc7 2138 if( datarate > LORAMAC_TX_MIN_DATARATE )
mluis 3:b9d87593a8ae 2139 {
mluis 3:b9d87593a8ae 2140 datarate--;
mluis 3:b9d87593a8ae 2141 }
mluis 4:37c12dbc8dc7 2142 if( datarate == LORAMAC_TX_MIN_DATARATE )
mluis 3:b9d87593a8ae 2143 {
mluis 3:b9d87593a8ae 2144 if( updateChannelMask == true )
mluis 3:b9d87593a8ae 2145 {
mluis 3:b9d87593a8ae 2146 // Re-enable default channels LC1, LC2, LC3
mluis 7:c16969e0f70f 2147 LoRaMacParams.ChannelsMask[0] = LoRaMacParams.ChannelsMask[0] | ( LC( 1 ) + LC( 2 ) + LC( 3 ) );
mluis 3:b9d87593a8ae 2148 }
mluis 3:b9d87593a8ae 2149 }
mluis 2:14a5d6ad92d5 2150 #elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 4:37c12dbc8dc7 2151 if( ( datarate > LORAMAC_TX_MIN_DATARATE ) && ( datarate == DR_8 ) )
mluis 3:b9d87593a8ae 2152 {
mluis 3:b9d87593a8ae 2153 datarate = DR_4;
mluis 3:b9d87593a8ae 2154 }
mluis 4:37c12dbc8dc7 2155 else if( datarate > LORAMAC_TX_MIN_DATARATE )
mluis 3:b9d87593a8ae 2156 {
mluis 3:b9d87593a8ae 2157 datarate--;
mluis 3:b9d87593a8ae 2158 }
mluis 4:37c12dbc8dc7 2159 if( datarate == LORAMAC_TX_MIN_DATARATE )
mluis 3:b9d87593a8ae 2160 {
mluis 3:b9d87593a8ae 2161 if( updateChannelMask == true )
mluis 3:b9d87593a8ae 2162 {
mluis 3:b9d87593a8ae 2163 #if defined( USE_BAND_915 )
mluis 3:b9d87593a8ae 2164 // Re-enable default channels
mluis 7:c16969e0f70f 2165 LoRaMacParams.ChannelsMask[0] = 0xFFFF;
mluis 7:c16969e0f70f 2166 LoRaMacParams.ChannelsMask[1] = 0xFFFF;
mluis 7:c16969e0f70f 2167 LoRaMacParams.ChannelsMask[2] = 0xFFFF;
mluis 7:c16969e0f70f 2168 LoRaMacParams.ChannelsMask[3] = 0xFFFF;
mluis 7:c16969e0f70f 2169 LoRaMacParams.ChannelsMask[4] = 0x00FF;
mluis 7:c16969e0f70f 2170 LoRaMacParams.ChannelsMask[5] = 0x0000;
mluis 3:b9d87593a8ae 2171 #else // defined( USE_BAND_915_HYBRID )
mluis 3:b9d87593a8ae 2172 // Re-enable default channels
mluis 7:c16969e0f70f 2173 ReenableChannels( LoRaMacParams.ChannelsMask[4], LoRaMacParams.ChannelsMask );
mluis 3:b9d87593a8ae 2174 #endif
mluis 3:b9d87593a8ae 2175 }
mluis 3:b9d87593a8ae 2176 }
mluis 2:14a5d6ad92d5 2177 #else
mluis 2:14a5d6ad92d5 2178 #error "Please define a frequency band in the compiler options."
mluis 2:14a5d6ad92d5 2179 #endif
mluis 3:b9d87593a8ae 2180 }
mluis 0:91d1a7783bb9 2181 }
mluis 0:91d1a7783bb9 2182 }
mluis 0:91d1a7783bb9 2183 }
mluis 2:14a5d6ad92d5 2184
mluis 2:14a5d6ad92d5 2185 *datarateOut = datarate;
mluis 2:14a5d6ad92d5 2186
mluis 2:14a5d6ad92d5 2187 return adrAckReq;
mluis 0:91d1a7783bb9 2188 }
mluis 0:91d1a7783bb9 2189
mluis 2:14a5d6ad92d5 2190 static LoRaMacStatus_t AddMacCommand( uint8_t cmd, uint8_t p1, uint8_t p2 )
mluis 0:91d1a7783bb9 2191 {
mluis 2:14a5d6ad92d5 2192 LoRaMacStatus_t status = LORAMAC_STATUS_BUSY;
mluis 7:c16969e0f70f 2193 // The maximum buffer length must take MAC commands to re-send into account.
mluis 7:c16969e0f70f 2194 uint8_t bufLen = LORA_MAC_COMMAND_MAX_LENGTH - MacCommandsBufferToRepeatIndex;
mluis 1:91e4e6c60d1e 2195
mluis 0:91d1a7783bb9 2196 switch( cmd )
mluis 0:91d1a7783bb9 2197 {
mluis 0:91d1a7783bb9 2198 case MOTE_MAC_LINK_CHECK_REQ:
mluis 7:c16969e0f70f 2199 if( MacCommandsBufferIndex < bufLen )
mluis 1:91e4e6c60d1e 2200 {
mluis 1:91e4e6c60d1e 2201 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 2202 // No payload for this command
mluis 2:14a5d6ad92d5 2203 status = LORAMAC_STATUS_OK;
mluis 1:91e4e6c60d1e 2204 }
mluis 0:91d1a7783bb9 2205 break;
mluis 0:91d1a7783bb9 2206 case MOTE_MAC_LINK_ADR_ANS:
mluis 7:c16969e0f70f 2207 if( MacCommandsBufferIndex < ( bufLen - 1 ) )
mluis 1:91e4e6c60d1e 2208 {
mluis 1:91e4e6c60d1e 2209 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 2210 // Margin
mluis 1:91e4e6c60d1e 2211 MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis 2:14a5d6ad92d5 2212 status = LORAMAC_STATUS_OK;
mluis 1:91e4e6c60d1e 2213 }
mluis 0:91d1a7783bb9 2214 break;
mluis 0:91d1a7783bb9 2215 case MOTE_MAC_DUTY_CYCLE_ANS:
mluis 7:c16969e0f70f 2216 if( MacCommandsBufferIndex < bufLen )
mluis 1:91e4e6c60d1e 2217 {
mluis 1:91e4e6c60d1e 2218 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 2219 // No payload for this answer
mluis 2:14a5d6ad92d5 2220 status = LORAMAC_STATUS_OK;
mluis 1:91e4e6c60d1e 2221 }
mluis 0:91d1a7783bb9 2222 break;
mluis 0:91d1a7783bb9 2223 case MOTE_MAC_RX_PARAM_SETUP_ANS:
mluis 7:c16969e0f70f 2224 if( MacCommandsBufferIndex < ( bufLen - 1 ) )
mluis 1:91e4e6c60d1e 2225 {
mluis 1:91e4e6c60d1e 2226 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 2227 // Status: Datarate ACK, Channel ACK
mluis 1:91e4e6c60d1e 2228 MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis 2:14a5d6ad92d5 2229 status = LORAMAC_STATUS_OK;
mluis 1:91e4e6c60d1e 2230 }
mluis 0:91d1a7783bb9 2231 break;
mluis 0:91d1a7783bb9 2232 case MOTE_MAC_DEV_STATUS_ANS:
mluis 7:c16969e0f70f 2233 if( MacCommandsBufferIndex < ( bufLen - 2 ) )
mluis 1:91e4e6c60d1e 2234 {
mluis 1:91e4e6c60d1e 2235 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 2236 // 1st byte Battery
mluis 1:91e4e6c60d1e 2237 // 2nd byte Margin
mluis 1:91e4e6c60d1e 2238 MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis 1:91e4e6c60d1e 2239 MacCommandsBuffer[MacCommandsBufferIndex++] = p2;
mluis 2:14a5d6ad92d5 2240 status = LORAMAC_STATUS_OK;
mluis 1:91e4e6c60d1e 2241 }
mluis 0:91d1a7783bb9 2242 break;
mluis 0:91d1a7783bb9 2243 case MOTE_MAC_NEW_CHANNEL_ANS:
mluis 7:c16969e0f70f 2244 if( MacCommandsBufferIndex < ( bufLen - 1 ) )
mluis 1:91e4e6c60d1e 2245 {
mluis 1:91e4e6c60d1e 2246 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 2247 // Status: Datarate range OK, Channel frequency OK
mluis 1:91e4e6c60d1e 2248 MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis 2:14a5d6ad92d5 2249 status = LORAMAC_STATUS_OK;
mluis 1:91e4e6c60d1e 2250 }
mluis 0:91d1a7783bb9 2251 break;
mluis 0:91d1a7783bb9 2252 case MOTE_MAC_RX_TIMING_SETUP_ANS:
mluis 7:c16969e0f70f 2253 if( MacCommandsBufferIndex < bufLen )
mluis 1:91e4e6c60d1e 2254 {
mluis 1:91e4e6c60d1e 2255 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 2256 // No payload for this answer
mluis 2:14a5d6ad92d5 2257 status = LORAMAC_STATUS_OK;
mluis 1:91e4e6c60d1e 2258 }
mluis 0:91d1a7783bb9 2259 break;
mluis 0:91d1a7783bb9 2260 default:
mluis 2:14a5d6ad92d5 2261 return LORAMAC_STATUS_SERVICE_UNKNOWN;
mluis 0:91d1a7783bb9 2262 }
mluis 2:14a5d6ad92d5 2263 if( status == LORAMAC_STATUS_OK )
mluis 0:91d1a7783bb9 2264 {
mluis 0:91d1a7783bb9 2265 MacCommandsInNextTx = true;
mluis 0:91d1a7783bb9 2266 }
mluis 1:91e4e6c60d1e 2267 return status;
mluis 0:91d1a7783bb9 2268 }
mluis 0:91d1a7783bb9 2269
mluis 7:c16969e0f70f 2270 static uint8_t ParseMacCommandsToRepeat( uint8_t* cmdBufIn, uint8_t length, uint8_t* cmdBufOut )
mluis 7:c16969e0f70f 2271 {
mluis 7:c16969e0f70f 2272 uint8_t i = 0;
mluis 7:c16969e0f70f 2273 uint8_t cmdCount = 0;
mluis 7:c16969e0f70f 2274
mluis 7:c16969e0f70f 2275 if( ( cmdBufIn == NULL ) || ( cmdBufOut == NULL ) )
mluis 7:c16969e0f70f 2276 {
mluis 7:c16969e0f70f 2277 return 0;
mluis 7:c16969e0f70f 2278 }
mluis 7:c16969e0f70f 2279
mluis 7:c16969e0f70f 2280 for( i = 0; i < length; i++ )
mluis 7:c16969e0f70f 2281 {
mluis 7:c16969e0f70f 2282 switch( cmdBufIn[i] )
mluis 7:c16969e0f70f 2283 {
mluis 7:c16969e0f70f 2284 case MOTE_MAC_RX_PARAM_SETUP_ANS:
mluis 7:c16969e0f70f 2285 {
mluis 7:c16969e0f70f 2286 cmdBufOut[cmdCount++] = cmdBufIn[i++];
mluis 7:c16969e0f70f 2287 cmdBufOut[cmdCount++] = cmdBufIn[i++];
mluis 7:c16969e0f70f 2288 cmdBufOut[cmdCount++] = cmdBufIn[i];
mluis 7:c16969e0f70f 2289 break;
mluis 7:c16969e0f70f 2290 }
mluis 7:c16969e0f70f 2291 case MOTE_MAC_RX_TIMING_SETUP_ANS:
mluis 7:c16969e0f70f 2292 {
mluis 7:c16969e0f70f 2293 cmdBufOut[cmdCount++] = cmdBufIn[i];
mluis 7:c16969e0f70f 2294 break;
mluis 7:c16969e0f70f 2295 }
mluis 7:c16969e0f70f 2296 default:
mluis 7:c16969e0f70f 2297 break;
mluis 7:c16969e0f70f 2298 }
mluis 7:c16969e0f70f 2299 }
mluis 7:c16969e0f70f 2300
mluis 7:c16969e0f70f 2301 return cmdCount;
mluis 7:c16969e0f70f 2302 }
mluis 7:c16969e0f70f 2303
mluis 2:14a5d6ad92d5 2304 static void ProcessMacCommands( uint8_t *payload, uint8_t macIndex, uint8_t commandsSize, uint8_t snr )
mluis 0:91d1a7783bb9 2305 {
mluis 0:91d1a7783bb9 2306 while( macIndex < commandsSize )
mluis 0:91d1a7783bb9 2307 {
mluis 0:91d1a7783bb9 2308 // Decode Frame MAC commands
mluis 0:91d1a7783bb9 2309 switch( payload[macIndex++] )
mluis 0:91d1a7783bb9 2310 {
mluis 0:91d1a7783bb9 2311 case SRV_MAC_LINK_CHECK_ANS:
mluis 2:14a5d6ad92d5 2312 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 2:14a5d6ad92d5 2313 MlmeConfirm.DemodMargin = payload[macIndex++];
mluis 2:14a5d6ad92d5 2314 MlmeConfirm.NbGateways = payload[macIndex++];
mluis 0:91d1a7783bb9 2315 break;
mluis 0:91d1a7783bb9 2316 case SRV_MAC_LINK_ADR_REQ:
mluis 0:91d1a7783bb9 2317 {
mluis 2:14a5d6ad92d5 2318 uint8_t i;
mluis 0:91d1a7783bb9 2319 uint8_t status = 0x07;
mluis 0:91d1a7783bb9 2320 uint16_t chMask;
mluis 0:91d1a7783bb9 2321 int8_t txPower = 0;
mluis 0:91d1a7783bb9 2322 int8_t datarate = 0;
mluis 0:91d1a7783bb9 2323 uint8_t nbRep = 0;
mluis 0:91d1a7783bb9 2324 uint8_t chMaskCntl = 0;
mluis 0:91d1a7783bb9 2325 uint16_t channelsMask[6] = { 0, 0, 0, 0, 0, 0 };
mluis 2:14a5d6ad92d5 2326
mluis 0:91d1a7783bb9 2327 // Initialize local copy of the channels mask array
mluis 2:14a5d6ad92d5 2328 for( i = 0; i < 6; i++ )
mluis 0:91d1a7783bb9 2329 {
mluis 7:c16969e0f70f 2330 channelsMask[i] = LoRaMacParams.ChannelsMask[i];
mluis 0:91d1a7783bb9 2331 }
mluis 0:91d1a7783bb9 2332 datarate = payload[macIndex++];
mluis 0:91d1a7783bb9 2333 txPower = datarate & 0x0F;
mluis 0:91d1a7783bb9 2334 datarate = ( datarate >> 4 ) & 0x0F;
mluis 0:91d1a7783bb9 2335
mluis 2:14a5d6ad92d5 2336 if( ( AdrCtrlOn == false ) &&
mluis 7:c16969e0f70f 2337 ( ( LoRaMacParams.ChannelsDatarate != datarate ) || ( LoRaMacParams.ChannelsTxPower != txPower ) ) )
mluis 0:91d1a7783bb9 2338 { // ADR disabled don't handle ADR requests if server tries to change datarate or txpower
mluis 0:91d1a7783bb9 2339 // Answer the server with fail status
mluis 0:91d1a7783bb9 2340 // Power ACK = 0
mluis 0:91d1a7783bb9 2341 // Data rate ACK = 0
mluis 0:91d1a7783bb9 2342 // Channel mask = 0
mluis 0:91d1a7783bb9 2343 AddMacCommand( MOTE_MAC_LINK_ADR_ANS, 0, 0 );
mluis 1:91e4e6c60d1e 2344 macIndex += 3; // Skip over the remaining bytes of the request
mluis 0:91d1a7783bb9 2345 break;
mluis 0:91d1a7783bb9 2346 }
mluis 1:91e4e6c60d1e 2347 chMask = ( uint16_t )payload[macIndex++];
mluis 1:91e4e6c60d1e 2348 chMask |= ( uint16_t )payload[macIndex++] << 8;
mluis 0:91d1a7783bb9 2349
mluis 0:91d1a7783bb9 2350 nbRep = payload[macIndex++];
mluis 0:91d1a7783bb9 2351 chMaskCntl = ( nbRep >> 4 ) & 0x07;
mluis 0:91d1a7783bb9 2352 nbRep &= 0x0F;
mluis 0:91d1a7783bb9 2353 if( nbRep == 0 )
mluis 0:91d1a7783bb9 2354 {
mluis 0:91d1a7783bb9 2355 nbRep = 1;
mluis 0:91d1a7783bb9 2356 }
mluis 0:91d1a7783bb9 2357 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 2358 if( ( chMaskCntl == 0 ) && ( chMask == 0 ) )
mluis 0:91d1a7783bb9 2359 {
mluis 0:91d1a7783bb9 2360 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 2361 }
mluis 2:14a5d6ad92d5 2362 else if( ( ( chMaskCntl >= 1 ) && ( chMaskCntl <= 5 )) ||
mluis 2:14a5d6ad92d5 2363 ( chMaskCntl >= 7 ) )
mluis 0:91d1a7783bb9 2364 {
mluis 0:91d1a7783bb9 2365 // RFU
mluis 0:91d1a7783bb9 2366 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 2367 }
mluis 0:91d1a7783bb9 2368 else
mluis 0:91d1a7783bb9 2369 {
mluis 2:14a5d6ad92d5 2370 for( i = 0; i < LORA_MAX_NB_CHANNELS; i++ )
mluis 0:91d1a7783bb9 2371 {
mluis 0:91d1a7783bb9 2372 if( chMaskCntl == 6 )
mluis 0:91d1a7783bb9 2373 {
mluis 0:91d1a7783bb9 2374 if( Channels[i].Frequency != 0 )
mluis 0:91d1a7783bb9 2375 {
mluis 0:91d1a7783bb9 2376 chMask |= 1 << i;
mluis 0:91d1a7783bb9 2377 }
mluis 0:91d1a7783bb9 2378 }
mluis 0:91d1a7783bb9 2379 else
mluis 0:91d1a7783bb9 2380 {
mluis 0:91d1a7783bb9 2381 if( ( ( chMask & ( 1 << i ) ) != 0 ) &&
mluis 0:91d1a7783bb9 2382 ( Channels[i].Frequency == 0 ) )
mluis 0:91d1a7783bb9 2383 {// Trying to enable an undefined channel
mluis 0:91d1a7783bb9 2384 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 2385 }
mluis 0:91d1a7783bb9 2386 }
mluis 0:91d1a7783bb9 2387 }
mluis 0:91d1a7783bb9 2388 channelsMask[0] = chMask;
mluis 0:91d1a7783bb9 2389 }
mluis 0:91d1a7783bb9 2390 #elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 2391 if( chMaskCntl == 6 )
mluis 0:91d1a7783bb9 2392 {
mluis 0:91d1a7783bb9 2393 // Enable all 125 kHz channels
mluis 0:91d1a7783bb9 2394 for( uint8_t i = 0, k = 0; i < LORA_MAX_NB_CHANNELS - 8; i += 16, k++ )
mluis 0:91d1a7783bb9 2395 {
mluis 0:91d1a7783bb9 2396 for( uint8_t j = 0; j < 16; j++ )
mluis 0:91d1a7783bb9 2397 {
mluis 0:91d1a7783bb9 2398 if( Channels[i + j].Frequency != 0 )
mluis 0:91d1a7783bb9 2399 {
mluis 0:91d1a7783bb9 2400 channelsMask[k] |= 1 << j;
mluis 0:91d1a7783bb9 2401 }
mluis 0:91d1a7783bb9 2402 }
mluis 0:91d1a7783bb9 2403 }
mluis 0:91d1a7783bb9 2404 }
mluis 0:91d1a7783bb9 2405 else if( chMaskCntl == 7 )
mluis 0:91d1a7783bb9 2406 {
mluis 0:91d1a7783bb9 2407 // Disable all 125 kHz channels
mluis 0:91d1a7783bb9 2408 channelsMask[0] = 0x0000;
mluis 0:91d1a7783bb9 2409 channelsMask[1] = 0x0000;
mluis 0:91d1a7783bb9 2410 channelsMask[2] = 0x0000;
mluis 0:91d1a7783bb9 2411 channelsMask[3] = 0x0000;
mluis 0:91d1a7783bb9 2412 }
mluis 0:91d1a7783bb9 2413 else if( chMaskCntl == 5 )
mluis 0:91d1a7783bb9 2414 {
mluis 0:91d1a7783bb9 2415 // RFU
mluis 0:91d1a7783bb9 2416 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 2417 }
mluis 0:91d1a7783bb9 2418 else
mluis 0:91d1a7783bb9 2419 {
mluis 0:91d1a7783bb9 2420 for( uint8_t i = 0; i < 16; i++ )
mluis 0:91d1a7783bb9 2421 {
mluis 0:91d1a7783bb9 2422 if( ( ( chMask & ( 1 << i ) ) != 0 ) &&
mluis 0:91d1a7783bb9 2423 ( Channels[chMaskCntl * 16 + i].Frequency == 0 ) )
mluis 0:91d1a7783bb9 2424 {// Trying to enable an undefined channel
mluis 0:91d1a7783bb9 2425 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 2426 }
mluis 0:91d1a7783bb9 2427 }
mluis 0:91d1a7783bb9 2428 channelsMask[chMaskCntl] = chMask;
mluis 2:14a5d6ad92d5 2429
mluis 0:91d1a7783bb9 2430 if( CountNbEnabled125kHzChannels( channelsMask ) < 6 )
mluis 0:91d1a7783bb9 2431 {
mluis 0:91d1a7783bb9 2432 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 2433 }
mluis 4:37c12dbc8dc7 2434
mluis 4:37c12dbc8dc7 2435 #if defined( USE_BAND_915_HYBRID )
mluis 4:37c12dbc8dc7 2436 if( ValidateChannelMask( channelsMask ) == false )
mluis 4:37c12dbc8dc7 2437 {
mluis 4:37c12dbc8dc7 2438 status &= 0xFE; // Channel mask KO
mluis 4:37c12dbc8dc7 2439 }
mluis 4:37c12dbc8dc7 2440 #endif
mluis 0:91d1a7783bb9 2441 }
mluis 0:91d1a7783bb9 2442 #else
mluis 0:91d1a7783bb9 2443 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 2444 #endif
mluis 4:37c12dbc8dc7 2445 if( ValueInRange( datarate, LORAMAC_TX_MIN_DATARATE, LORAMAC_TX_MAX_DATARATE ) == false )
mluis 0:91d1a7783bb9 2446 {
mluis 0:91d1a7783bb9 2447 status &= 0xFD; // Datarate KO
mluis 0:91d1a7783bb9 2448 }
mluis 0:91d1a7783bb9 2449
mluis 0:91d1a7783bb9 2450 //
mluis 0:91d1a7783bb9 2451 // Remark MaxTxPower = 0 and MinTxPower = 5
mluis 0:91d1a7783bb9 2452 //
mluis 2:14a5d6ad92d5 2453 if( ValueInRange( txPower, LORAMAC_MAX_TX_POWER, LORAMAC_MIN_TX_POWER ) == false )
mluis 0:91d1a7783bb9 2454 {
mluis 0:91d1a7783bb9 2455 status &= 0xFB; // TxPower KO
mluis 0:91d1a7783bb9 2456 }
mluis 0:91d1a7783bb9 2457 if( ( status & 0x07 ) == 0x07 )
mluis 0:91d1a7783bb9 2458 {
mluis 7:c16969e0f70f 2459 LoRaMacParams.ChannelsDatarate = datarate;
mluis 7:c16969e0f70f 2460 LoRaMacParams.ChannelsTxPower = txPower;
mluis 7:c16969e0f70f 2461
mluis 7:c16969e0f70f 2462 LoRaMacParams.ChannelsMask[0] = channelsMask[0];
mluis 7:c16969e0f70f 2463 LoRaMacParams.ChannelsMask[1] = channelsMask[1];
mluis 7:c16969e0f70f 2464 LoRaMacParams.ChannelsMask[2] = channelsMask[2];
mluis 7:c16969e0f70f 2465 LoRaMacParams.ChannelsMask[3] = channelsMask[3];
mluis 7:c16969e0f70f 2466 LoRaMacParams.ChannelsMask[4] = channelsMask[4];
mluis 7:c16969e0f70f 2467 LoRaMacParams.ChannelsMask[5] = channelsMask[5];
mluis 7:c16969e0f70f 2468
mluis 7:c16969e0f70f 2469 LoRaMacParams.ChannelsNbRep = nbRep;
mluis 0:91d1a7783bb9 2470 }
mluis 0:91d1a7783bb9 2471 AddMacCommand( MOTE_MAC_LINK_ADR_ANS, status, 0 );
mluis 0:91d1a7783bb9 2472 }
mluis 0:91d1a7783bb9 2473 break;
mluis 0:91d1a7783bb9 2474 case SRV_MAC_DUTY_CYCLE_REQ:
mluis 0:91d1a7783bb9 2475 MaxDCycle = payload[macIndex++];
mluis 0:91d1a7783bb9 2476 AggregatedDCycle = 1 << MaxDCycle;
mluis 0:91d1a7783bb9 2477 AddMacCommand( MOTE_MAC_DUTY_CYCLE_ANS, 0, 0 );
mluis 0:91d1a7783bb9 2478 break;
mluis 0:91d1a7783bb9 2479 case SRV_MAC_RX_PARAM_SETUP_REQ:
mluis 0:91d1a7783bb9 2480 {
mluis 0:91d1a7783bb9 2481 uint8_t status = 0x07;
mluis 0:91d1a7783bb9 2482 int8_t datarate = 0;
mluis 0:91d1a7783bb9 2483 int8_t drOffset = 0;
mluis 0:91d1a7783bb9 2484 uint32_t freq = 0;
mluis 2:14a5d6ad92d5 2485
mluis 1:91e4e6c60d1e 2486 drOffset = ( payload[macIndex] >> 4 ) & 0x07;
mluis 1:91e4e6c60d1e 2487 datarate = payload[macIndex] & 0x0F;
mluis 1:91e4e6c60d1e 2488 macIndex++;
mluis 2:14a5d6ad92d5 2489
mluis 2:14a5d6ad92d5 2490 freq = ( uint32_t )payload[macIndex++];
mluis 0:91d1a7783bb9 2491 freq |= ( uint32_t )payload[macIndex++] << 8;
mluis 0:91d1a7783bb9 2492 freq |= ( uint32_t )payload[macIndex++] << 16;
mluis 0:91d1a7783bb9 2493 freq *= 100;
mluis 2:14a5d6ad92d5 2494
mluis 7:c16969e0f70f 2495 if( Rx2FreqInRange( freq ) == false )
mluis 0:91d1a7783bb9 2496 {
mluis 0:91d1a7783bb9 2497 status &= 0xFE; // Channel frequency KO
mluis 0:91d1a7783bb9 2498 }
mluis 2:14a5d6ad92d5 2499
mluis 4:37c12dbc8dc7 2500 if( ValueInRange( datarate, LORAMAC_RX_MIN_DATARATE, LORAMAC_RX_MAX_DATARATE ) == false )
mluis 0:91d1a7783bb9 2501 {
mluis 0:91d1a7783bb9 2502 status &= 0xFD; // Datarate KO
mluis 0:91d1a7783bb9 2503 }
mluis 2:14a5d6ad92d5 2504 #if ( defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID ) )
mluis 2:14a5d6ad92d5 2505 if( ( ValueInRange( datarate, DR_5, DR_7 ) == true ) ||
mluis 2:14a5d6ad92d5 2506 ( datarate > DR_13 ) )
mluis 2:14a5d6ad92d5 2507 {
mluis 2:14a5d6ad92d5 2508 status &= 0xFD; // Datarate KO
mluis 2:14a5d6ad92d5 2509 }
mluis 2:14a5d6ad92d5 2510 #endif
mluis 2:14a5d6ad92d5 2511 if( ValueInRange( drOffset, LORAMAC_MIN_RX1_DR_OFFSET, LORAMAC_MAX_RX1_DR_OFFSET ) == false )
mluis 0:91d1a7783bb9 2512 {
mluis 0:91d1a7783bb9 2513 status &= 0xFB; // Rx1DrOffset range KO
mluis 0:91d1a7783bb9