20171208

Fork of LoRaWAN-lib by Semtech

Committer:
mluis
Date:
Mon Nov 23 10:09:43 2015 +0000
Revision:
1:91e4e6c60d1e
Parent:
0:91d1a7783bb9
Child:
2:14a5d6ad92d5
Keep LoRaMac only related files in the library.; Updated files according to latest GitHub version

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 0:91d1a7783bb9 8
mluis 0:91d1a7783bb9 9 Description: LoRa MAC layer implementation
mluis 0:91d1a7783bb9 10
mluis 0:91d1a7783bb9 11 License: Revised BSD License, see LICENSE.TXT file include in the project
mluis 0:91d1a7783bb9 12
mluis 0:91d1a7783bb9 13 Maintainer: Miguel Luis and Gregory Cristian
mluis 0:91d1a7783bb9 14 */
mluis 0:91d1a7783bb9 15 #include "board.h"
mluis 0:91d1a7783bb9 16
mluis 0:91d1a7783bb9 17 #include "LoRaMacCrypto.h"
mluis 0:91d1a7783bb9 18 #include "LoRaMac.h"
mluis 0:91d1a7783bb9 19
mluis 0:91d1a7783bb9 20 /*!
mluis 0:91d1a7783bb9 21 * Maximum PHY layer payload size
mluis 0:91d1a7783bb9 22 */
mluis 1:91e4e6c60d1e 23 #define LORAMAC_PHY_MAXPAYLOAD 255
mluis 1:91e4e6c60d1e 24
mluis 1:91e4e6c60d1e 25 /*!
mluis 1:91e4e6c60d1e 26 * Maximum MAC commands buffer size
mluis 1:91e4e6c60d1e 27 */
mluis 1:91e4e6c60d1e 28 #define LORA_MAC_COMMAND_MAX_LENGTH 15
mluis 0:91d1a7783bb9 29
mluis 0:91d1a7783bb9 30 /*!
mluis 0:91d1a7783bb9 31 * Device IEEE EUI
mluis 0:91d1a7783bb9 32 */
mluis 0:91d1a7783bb9 33 static uint8_t *LoRaMacDevEui;
mluis 0:91d1a7783bb9 34
mluis 0:91d1a7783bb9 35 /*!
mluis 0:91d1a7783bb9 36 * Application IEEE EUI
mluis 0:91d1a7783bb9 37 */
mluis 0:91d1a7783bb9 38 static uint8_t *LoRaMacAppEui;
mluis 0:91d1a7783bb9 39
mluis 0:91d1a7783bb9 40 /*!
mluis 0:91d1a7783bb9 41 * AES encryption/decryption cipher application key
mluis 0:91d1a7783bb9 42 */
mluis 0:91d1a7783bb9 43 static uint8_t *LoRaMacAppKey;
mluis 0:91d1a7783bb9 44
mluis 0:91d1a7783bb9 45 /*!
mluis 0:91d1a7783bb9 46 * AES encryption/decryption cipher network session key
mluis 0:91d1a7783bb9 47 */
mluis 0:91d1a7783bb9 48 static uint8_t LoRaMacNwkSKey[] =
mluis 0:91d1a7783bb9 49 {
mluis 0:91d1a7783bb9 50 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
mluis 0:91d1a7783bb9 51 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
mluis 0:91d1a7783bb9 52 };
mluis 0:91d1a7783bb9 53
mluis 0:91d1a7783bb9 54 /*!
mluis 0:91d1a7783bb9 55 * AES encryption/decryption cipher application session key
mluis 0:91d1a7783bb9 56 */
mluis 0:91d1a7783bb9 57 static uint8_t LoRaMacAppSKey[] =
mluis 0:91d1a7783bb9 58 {
mluis 0:91d1a7783bb9 59 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
mluis 0:91d1a7783bb9 60 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
mluis 0:91d1a7783bb9 61 };
mluis 0:91d1a7783bb9 62
mluis 0:91d1a7783bb9 63 /*!
mluis 0:91d1a7783bb9 64 * Device nonce is a random value extracted by issuing a sequence of RSSI
mluis 0:91d1a7783bb9 65 * measurements
mluis 0:91d1a7783bb9 66 */
mluis 0:91d1a7783bb9 67 static uint16_t LoRaMacDevNonce;
mluis 0:91d1a7783bb9 68
mluis 0:91d1a7783bb9 69 /*!
mluis 0:91d1a7783bb9 70 * Network ID ( 3 bytes )
mluis 0:91d1a7783bb9 71 */
mluis 0:91d1a7783bb9 72 static uint32_t LoRaMacNetID;
mluis 0:91d1a7783bb9 73
mluis 0:91d1a7783bb9 74 /*!
mluis 0:91d1a7783bb9 75 * Mote Address
mluis 0:91d1a7783bb9 76 */
mluis 0:91d1a7783bb9 77 static uint32_t LoRaMacDevAddr;
mluis 0:91d1a7783bb9 78
mluis 0:91d1a7783bb9 79 /*!
mluis 0:91d1a7783bb9 80 * Mutlicast channels linked list
mluis 0:91d1a7783bb9 81 */
mluis 0:91d1a7783bb9 82 static MulticastParams_t *MulticastChannels = NULL;
mluis 0:91d1a7783bb9 83
mluis 0:91d1a7783bb9 84 /*!
mluis 0:91d1a7783bb9 85 * Actual device class
mluis 0:91d1a7783bb9 86 */
mluis 0:91d1a7783bb9 87 static DeviceClass_t LoRaMacDeviceClass;
mluis 0:91d1a7783bb9 88
mluis 0:91d1a7783bb9 89 /*!
mluis 0:91d1a7783bb9 90 * Indicates if the node is connected to a private or public network
mluis 0:91d1a7783bb9 91 */
mluis 0:91d1a7783bb9 92 static bool PublicNetwork;
mluis 0:91d1a7783bb9 93
mluis 0:91d1a7783bb9 94 /*!
mluis 0:91d1a7783bb9 95 * Indicates if the node supports repeaters
mluis 0:91d1a7783bb9 96 */
mluis 0:91d1a7783bb9 97 static bool RepeaterSupport;
mluis 0:91d1a7783bb9 98
mluis 0:91d1a7783bb9 99 /*!
mluis 0:91d1a7783bb9 100 * Buffer containing the data to be sent or received.
mluis 0:91d1a7783bb9 101 */
mluis 0:91d1a7783bb9 102 static uint8_t LoRaMacBuffer[LORAMAC_PHY_MAXPAYLOAD];
mluis 0:91d1a7783bb9 103
mluis 0:91d1a7783bb9 104 /*!
mluis 0:91d1a7783bb9 105 * Length of packet in LoRaMacBuffer
mluis 0:91d1a7783bb9 106 */
mluis 0:91d1a7783bb9 107 static uint16_t LoRaMacBufferPktLen = 0;
mluis 0:91d1a7783bb9 108
mluis 0:91d1a7783bb9 109 /*!
mluis 0:91d1a7783bb9 110 * Buffer containing the upper layer data.
mluis 0:91d1a7783bb9 111 */
mluis 0:91d1a7783bb9 112 static uint8_t LoRaMacPayload[LORAMAC_PHY_MAXPAYLOAD];
mluis 0:91d1a7783bb9 113 static uint8_t LoRaMacRxPayload[LORAMAC_PHY_MAXPAYLOAD];
mluis 0:91d1a7783bb9 114
mluis 0:91d1a7783bb9 115 /*!
mluis 0:91d1a7783bb9 116 * LoRaMAC frame counter. Each time a packet is sent the counter is incremented.
mluis 0:91d1a7783bb9 117 * Only the 16 LSB bits are sent
mluis 0:91d1a7783bb9 118 */
mluis 0:91d1a7783bb9 119 static uint32_t UpLinkCounter = 1;
mluis 0:91d1a7783bb9 120
mluis 0:91d1a7783bb9 121 /*!
mluis 0:91d1a7783bb9 122 * LoRaMAC frame counter. Each time a packet is received the counter is incremented.
mluis 0:91d1a7783bb9 123 * Only the 16 LSB bits are received
mluis 0:91d1a7783bb9 124 */
mluis 0:91d1a7783bb9 125 static uint32_t DownLinkCounter = 0;
mluis 0:91d1a7783bb9 126
mluis 0:91d1a7783bb9 127 /*!
mluis 0:91d1a7783bb9 128 * IsPacketCounterFixed enables the MIC field tests by fixing the
mluis 0:91d1a7783bb9 129 * UpLinkCounter value
mluis 0:91d1a7783bb9 130 */
mluis 0:91d1a7783bb9 131 static bool IsUpLinkCounterFixed = false;
mluis 0:91d1a7783bb9 132
mluis 0:91d1a7783bb9 133 /*!
mluis 0:91d1a7783bb9 134 * Used for test purposes. Disables the opening of the reception windows.
mluis 0:91d1a7783bb9 135 */
mluis 0:91d1a7783bb9 136 static bool IsRxWindowsEnabled = true;
mluis 0:91d1a7783bb9 137
mluis 0:91d1a7783bb9 138 /*!
mluis 0:91d1a7783bb9 139 * Indicates if the MAC layer has already joined a network.
mluis 0:91d1a7783bb9 140 */
mluis 0:91d1a7783bb9 141 static bool IsLoRaMacNetworkJoined = false;
mluis 0:91d1a7783bb9 142
mluis 0:91d1a7783bb9 143 /*!
mluis 0:91d1a7783bb9 144 * LoRaMac ADR control status
mluis 0:91d1a7783bb9 145 */
mluis 0:91d1a7783bb9 146 static bool AdrCtrlOn = false;
mluis 0:91d1a7783bb9 147
mluis 0:91d1a7783bb9 148 /*!
mluis 0:91d1a7783bb9 149 * Counts the number of missed ADR acknowledgements
mluis 0:91d1a7783bb9 150 */
mluis 0:91d1a7783bb9 151 static uint32_t AdrAckCounter = 0;
mluis 0:91d1a7783bb9 152
mluis 0:91d1a7783bb9 153 /*!
mluis 0:91d1a7783bb9 154 * If the node has sent a FRAME_TYPE_DATA_CONFIRMED_UP this variable indicates
mluis 0:91d1a7783bb9 155 * if the nodes needs to manage the server acknowledgement.
mluis 0:91d1a7783bb9 156 */
mluis 0:91d1a7783bb9 157 static bool NodeAckRequested = false;
mluis 0:91d1a7783bb9 158
mluis 0:91d1a7783bb9 159 /*!
mluis 0:91d1a7783bb9 160 * If the server has sent a FRAME_TYPE_DATA_CONFIRMED_DOWN this variable indicates
mluis 0:91d1a7783bb9 161 * if the ACK bit must be set for the next transmission
mluis 0:91d1a7783bb9 162 */
mluis 0:91d1a7783bb9 163 static bool SrvAckRequested = false;
mluis 0:91d1a7783bb9 164
mluis 0:91d1a7783bb9 165 /*!
mluis 0:91d1a7783bb9 166 * Indicates if the MAC layer wants to send MAC commands
mluis 0:91d1a7783bb9 167 */
mluis 0:91d1a7783bb9 168 static bool MacCommandsInNextTx = false;
mluis 0:91d1a7783bb9 169
mluis 0:91d1a7783bb9 170 /*!
mluis 0:91d1a7783bb9 171 * Contains the current MacCommandsBuffer index
mluis 0:91d1a7783bb9 172 */
mluis 0:91d1a7783bb9 173 static uint8_t MacCommandsBufferIndex = 0;
mluis 0:91d1a7783bb9 174
mluis 0:91d1a7783bb9 175 /*!
mluis 0:91d1a7783bb9 176 * Buffer containing the MAC layer commands
mluis 0:91d1a7783bb9 177 */
mluis 1:91e4e6c60d1e 178 static uint8_t MacCommandsBuffer[LORA_MAC_COMMAND_MAX_LENGTH];
mluis 0:91d1a7783bb9 179
mluis 0:91d1a7783bb9 180 #if defined( USE_BAND_433 )
mluis 0:91d1a7783bb9 181 /*!
mluis 0:91d1a7783bb9 182 * Data rates table definition
mluis 0:91d1a7783bb9 183 */
mluis 0:91d1a7783bb9 184 const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
mluis 0:91d1a7783bb9 185
mluis 0:91d1a7783bb9 186 /*!
mluis 0:91d1a7783bb9 187 * Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis 0:91d1a7783bb9 188 */
mluis 0:91d1a7783bb9 189 const uint8_t MaxPayloadOfDatarate[] = { 59, 59, 59, 123, 250, 250, 250, 250 };
mluis 0:91d1a7783bb9 190
mluis 0:91d1a7783bb9 191 /*!
mluis 0:91d1a7783bb9 192 * Maximum payload with respect to the datarate index. Can operate with repeater.
mluis 0:91d1a7783bb9 193 */
mluis 0:91d1a7783bb9 194 const uint8_t MaxPayloadOfDatarateRepeater[] = { 59, 59, 59, 123, 230, 230, 230, 230 };
mluis 0:91d1a7783bb9 195
mluis 0:91d1a7783bb9 196 /*!
mluis 0:91d1a7783bb9 197 * Tx output powers table definition
mluis 0:91d1a7783bb9 198 */
mluis 0:91d1a7783bb9 199 const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 };
mluis 0:91d1a7783bb9 200
mluis 0:91d1a7783bb9 201 /*!
mluis 0:91d1a7783bb9 202 * LoRaMac bands
mluis 0:91d1a7783bb9 203 */
mluis 0:91d1a7783bb9 204 static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis 0:91d1a7783bb9 205 {
mluis 0:91d1a7783bb9 206 BAND0,
mluis 0:91d1a7783bb9 207 };
mluis 0:91d1a7783bb9 208
mluis 0:91d1a7783bb9 209 /*!
mluis 0:91d1a7783bb9 210 * LoRaMAC channels
mluis 0:91d1a7783bb9 211 */
mluis 0:91d1a7783bb9 212 static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
mluis 0:91d1a7783bb9 213 {
mluis 0:91d1a7783bb9 214 LC1,
mluis 0:91d1a7783bb9 215 LC2,
mluis 0:91d1a7783bb9 216 LC3,
mluis 0:91d1a7783bb9 217 };
mluis 0:91d1a7783bb9 218 #elif defined( USE_BAND_780 )
mluis 0:91d1a7783bb9 219 /*!
mluis 0:91d1a7783bb9 220 * Data rates table definition
mluis 0:91d1a7783bb9 221 */
mluis 0:91d1a7783bb9 222 const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
mluis 0:91d1a7783bb9 223
mluis 0:91d1a7783bb9 224 /*!
mluis 0:91d1a7783bb9 225 * Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis 0:91d1a7783bb9 226 */
mluis 0:91d1a7783bb9 227 const uint8_t MaxPayloadOfDatarate[] = { 59, 59, 59, 123, 250, 250, 250, 250 };
mluis 0:91d1a7783bb9 228
mluis 0:91d1a7783bb9 229 /*!
mluis 0:91d1a7783bb9 230 * Maximum payload with respect to the datarate index. Can operate with repeater.
mluis 0:91d1a7783bb9 231 */
mluis 0:91d1a7783bb9 232 const uint8_t MaxPayloadOfDatarateRepeater[] = { 59, 59, 59, 123, 230, 230, 230, 230 };
mluis 0:91d1a7783bb9 233
mluis 0:91d1a7783bb9 234 /*!
mluis 0:91d1a7783bb9 235 * Tx output powers table definition
mluis 0:91d1a7783bb9 236 */
mluis 0:91d1a7783bb9 237 const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 };
mluis 0:91d1a7783bb9 238
mluis 0:91d1a7783bb9 239 /*!
mluis 0:91d1a7783bb9 240 * LoRaMac bands
mluis 0:91d1a7783bb9 241 */
mluis 0:91d1a7783bb9 242 static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis 0:91d1a7783bb9 243 {
mluis 0:91d1a7783bb9 244 BAND0,
mluis 0:91d1a7783bb9 245 };
mluis 0:91d1a7783bb9 246
mluis 0:91d1a7783bb9 247 /*!
mluis 0:91d1a7783bb9 248 * LoRaMAC channels
mluis 0:91d1a7783bb9 249 */
mluis 0:91d1a7783bb9 250 static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
mluis 0:91d1a7783bb9 251 {
mluis 0:91d1a7783bb9 252 LC1,
mluis 0:91d1a7783bb9 253 LC2,
mluis 0:91d1a7783bb9 254 LC3,
mluis 0:91d1a7783bb9 255 };
mluis 0:91d1a7783bb9 256 #elif defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 257 /*!
mluis 0:91d1a7783bb9 258 * Data rates table definition
mluis 0:91d1a7783bb9 259 */
mluis 0:91d1a7783bb9 260 const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
mluis 0:91d1a7783bb9 261
mluis 0:91d1a7783bb9 262 /*!
mluis 0:91d1a7783bb9 263 * Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis 0:91d1a7783bb9 264 */
mluis 0:91d1a7783bb9 265 const uint8_t MaxPayloadOfDatarate[] = { 51, 51, 51, 115, 242, 242, 242, 242 };
mluis 0:91d1a7783bb9 266
mluis 0:91d1a7783bb9 267 /*!
mluis 0:91d1a7783bb9 268 * Maximum payload with respect to the datarate index. Can operate with repeater.
mluis 0:91d1a7783bb9 269 */
mluis 0:91d1a7783bb9 270 const uint8_t MaxPayloadOfDatarateRepeater[] = { 51, 51, 51, 115, 222, 222, 222, 222 };
mluis 0:91d1a7783bb9 271
mluis 0:91d1a7783bb9 272 /*!
mluis 0:91d1a7783bb9 273 * Tx output powers table definition
mluis 0:91d1a7783bb9 274 */
mluis 0:91d1a7783bb9 275 const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 };
mluis 0:91d1a7783bb9 276
mluis 0:91d1a7783bb9 277 /*!
mluis 0:91d1a7783bb9 278 * LoRaMac bands
mluis 0:91d1a7783bb9 279 */
mluis 0:91d1a7783bb9 280 static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis 0:91d1a7783bb9 281 {
mluis 0:91d1a7783bb9 282 BAND0,
mluis 0:91d1a7783bb9 283 BAND1,
mluis 0:91d1a7783bb9 284 BAND2,
mluis 0:91d1a7783bb9 285 BAND3,
mluis 0:91d1a7783bb9 286 BAND4,
mluis 0:91d1a7783bb9 287 };
mluis 0:91d1a7783bb9 288
mluis 0:91d1a7783bb9 289 /*!
mluis 0:91d1a7783bb9 290 * LoRaMAC channels
mluis 0:91d1a7783bb9 291 */
mluis 0:91d1a7783bb9 292 static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] =
mluis 0:91d1a7783bb9 293 {
mluis 0:91d1a7783bb9 294 LC1,
mluis 0:91d1a7783bb9 295 LC2,
mluis 0:91d1a7783bb9 296 LC3,
mluis 0:91d1a7783bb9 297 LC4,
mluis 0:91d1a7783bb9 298 LC5,
mluis 0:91d1a7783bb9 299 LC6,
mluis 0:91d1a7783bb9 300 LC7,
mluis 0:91d1a7783bb9 301 LC8,
mluis 0:91d1a7783bb9 302 LC9,
mluis 0:91d1a7783bb9 303 };
mluis 0:91d1a7783bb9 304 #elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 305 /*!
mluis 0:91d1a7783bb9 306 * Data rates table definition
mluis 0:91d1a7783bb9 307 */
mluis 0:91d1a7783bb9 308 const uint8_t Datarates[] = { 10, 9, 8, 7, 8, 0, 0, 0, 12, 11, 10, 9, 8, 7, 0, 0 };
mluis 0:91d1a7783bb9 309
mluis 0:91d1a7783bb9 310 /*!
mluis 0:91d1a7783bb9 311 * Up/Down link data rates offset definition
mluis 0:91d1a7783bb9 312 */
mluis 0:91d1a7783bb9 313 const int8_t datarateOffsets[16][4] =
mluis 0:91d1a7783bb9 314 {
mluis 0:91d1a7783bb9 315 { DR_10, DR_9 , DR_8 , DR_8 }, // DR_0
mluis 0:91d1a7783bb9 316 { DR_11, DR_10, DR_9 , DR_8 }, // DR_1
mluis 0:91d1a7783bb9 317 { DR_12, DR_11, DR_10, DR_9 }, // DR_2
mluis 0:91d1a7783bb9 318 { DR_13, DR_12, DR_11, DR_10 }, // DR_3
mluis 0:91d1a7783bb9 319 { DR_13, DR_13, DR_12, DR_11 }, // DR_4
mluis 0:91d1a7783bb9 320 { 0xFF , 0xFF , 0xFF , 0xFF },
mluis 0:91d1a7783bb9 321 { 0xFF , 0xFF , 0xFF , 0xFF },
mluis 0:91d1a7783bb9 322 { 0xFF , 0xFF , 0xFF , 0xFF },
mluis 0:91d1a7783bb9 323 { DR_8 , DR_8 , DR_8 , DR_8 },
mluis 0:91d1a7783bb9 324 { DR_9 , DR_8 , DR_8 , DR_8 },
mluis 0:91d1a7783bb9 325 { DR_10, DR_9 , DR_8 , DR_8 },
mluis 0:91d1a7783bb9 326 { DR_11, DR_10, DR_9 , DR_8 },
mluis 0:91d1a7783bb9 327 { DR_12, DR_11, DR_10, DR_9 },
mluis 0:91d1a7783bb9 328 { DR_13, DR_12, DR_11, DR_10 },
mluis 0:91d1a7783bb9 329 { 0xFF , 0xFF , 0xFF , 0xFF },
mluis 0:91d1a7783bb9 330 { 0xFF , 0xFF , 0xFF , 0xFF },
mluis 0:91d1a7783bb9 331 };
mluis 0:91d1a7783bb9 332
mluis 0:91d1a7783bb9 333 /*!
mluis 0:91d1a7783bb9 334 * Maximum payload with respect to the datarate index. Cannot operate with repeater.
mluis 0:91d1a7783bb9 335 */
mluis 0:91d1a7783bb9 336 const uint8_t MaxPayloadOfDatarate[] = { 11, 53, 129, 242, 242, 0, 0, 0, 53, 129, 242, 242, 242, 242, 0, 0 };
mluis 0:91d1a7783bb9 337
mluis 0:91d1a7783bb9 338 /*!
mluis 0:91d1a7783bb9 339 * Maximum payload with respect to the datarate index. Can operate with repeater.
mluis 0:91d1a7783bb9 340 */
mluis 0:91d1a7783bb9 341 const uint8_t MaxPayloadOfDatarateRepeater[] = { 11, 53, 129, 242, 242, 0, 0, 0, 33, 103, 222, 222, 222, 222, 0, 0 };
mluis 0:91d1a7783bb9 342
mluis 0:91d1a7783bb9 343 /*!
mluis 0:91d1a7783bb9 344 * Tx output powers table definition
mluis 0:91d1a7783bb9 345 */
mluis 0:91d1a7783bb9 346 const int8_t TxPowers[] = { 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10 };
mluis 0:91d1a7783bb9 347
mluis 0:91d1a7783bb9 348 /*!
mluis 0:91d1a7783bb9 349 * LoRaMac bands
mluis 0:91d1a7783bb9 350 */
mluis 0:91d1a7783bb9 351 static Band_t Bands[LORA_MAX_NB_BANDS] =
mluis 0:91d1a7783bb9 352 {
mluis 0:91d1a7783bb9 353 BAND0,
mluis 0:91d1a7783bb9 354 };
mluis 0:91d1a7783bb9 355
mluis 0:91d1a7783bb9 356 /*!
mluis 0:91d1a7783bb9 357 * LoRaMAC channels
mluis 0:91d1a7783bb9 358 */
mluis 0:91d1a7783bb9 359 static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS];
mluis 0:91d1a7783bb9 360
mluis 0:91d1a7783bb9 361 #else
mluis 0:91d1a7783bb9 362 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 363 #endif
mluis 0:91d1a7783bb9 364
mluis 0:91d1a7783bb9 365 /*!
mluis 0:91d1a7783bb9 366 * LoRaMAC 2nd reception window settings
mluis 0:91d1a7783bb9 367 */
mluis 0:91d1a7783bb9 368 static Rx2ChannelParams_t Rx2Channel = RX_WND_2_CHANNEL;
mluis 0:91d1a7783bb9 369
mluis 0:91d1a7783bb9 370 /*!
mluis 0:91d1a7783bb9 371 * Datarate offset between uplink and downlink on first window
mluis 0:91d1a7783bb9 372 */
mluis 0:91d1a7783bb9 373 static uint8_t Rx1DrOffset = 0;
mluis 0:91d1a7783bb9 374
mluis 0:91d1a7783bb9 375 /*!
mluis 0:91d1a7783bb9 376 * Mask indicating which channels are enabled
mluis 0:91d1a7783bb9 377 */
mluis 0:91d1a7783bb9 378 static uint16_t ChannelsMask[6];
mluis 0:91d1a7783bb9 379
mluis 0:91d1a7783bb9 380 /*!
mluis 0:91d1a7783bb9 381 * Channels Tx output power
mluis 0:91d1a7783bb9 382 */
mluis 0:91d1a7783bb9 383 static int8_t ChannelsTxPower = LORAMAC_DEFAULT_TX_POWER;
mluis 0:91d1a7783bb9 384
mluis 0:91d1a7783bb9 385 /*!
mluis 0:91d1a7783bb9 386 * Channels datarate
mluis 0:91d1a7783bb9 387 */
mluis 0:91d1a7783bb9 388 static int8_t ChannelsDatarate = LORAMAC_DEFAULT_DATARATE;
mluis 0:91d1a7783bb9 389
mluis 0:91d1a7783bb9 390 /*!
mluis 0:91d1a7783bb9 391 * Channels default datarate
mluis 0:91d1a7783bb9 392 */
mluis 0:91d1a7783bb9 393 static int8_t ChannelsDefaultDatarate = LORAMAC_DEFAULT_DATARATE;
mluis 0:91d1a7783bb9 394
mluis 0:91d1a7783bb9 395 /*!
mluis 0:91d1a7783bb9 396 * Number of uplink messages repetitions [1:15] (unconfirmed messages only)
mluis 0:91d1a7783bb9 397 */
mluis 0:91d1a7783bb9 398 static uint8_t ChannelsNbRep = 1;
mluis 0:91d1a7783bb9 399
mluis 0:91d1a7783bb9 400 /*!
mluis 0:91d1a7783bb9 401 * Uplink messages repetitions counter
mluis 0:91d1a7783bb9 402 */
mluis 0:91d1a7783bb9 403 static uint8_t ChannelsNbRepCounter = 0;
mluis 0:91d1a7783bb9 404
mluis 0:91d1a7783bb9 405 /*!
mluis 0:91d1a7783bb9 406 * Maximum duty cycle
mluis 0:91d1a7783bb9 407 * \remark Possibility to shutdown the device.
mluis 0:91d1a7783bb9 408 */
mluis 0:91d1a7783bb9 409 static uint8_t MaxDCycle = 0;
mluis 0:91d1a7783bb9 410
mluis 0:91d1a7783bb9 411 /*!
mluis 0:91d1a7783bb9 412 * Agregated duty cycle management
mluis 0:91d1a7783bb9 413 */
mluis 0:91d1a7783bb9 414 static uint16_t AggregatedDCycle;
mluis 0:91d1a7783bb9 415 static TimerTime_t AggregatedLastTxDoneTime;
mluis 0:91d1a7783bb9 416 static TimerTime_t AggregatedTimeOff;
mluis 0:91d1a7783bb9 417
mluis 0:91d1a7783bb9 418 /*!
mluis 0:91d1a7783bb9 419 * Enables/Disables duty cycle management (Test only)
mluis 0:91d1a7783bb9 420 */
mluis 0:91d1a7783bb9 421 static bool DutyCycleOn;
mluis 0:91d1a7783bb9 422
mluis 0:91d1a7783bb9 423 /*!
mluis 0:91d1a7783bb9 424 * Current channel index
mluis 0:91d1a7783bb9 425 */
mluis 0:91d1a7783bb9 426 static uint8_t Channel;
mluis 0:91d1a7783bb9 427
mluis 0:91d1a7783bb9 428 /*!
mluis 0:91d1a7783bb9 429 * LoRaMac internal states
mluis 0:91d1a7783bb9 430 */
mluis 0:91d1a7783bb9 431 enum LoRaMacState_e
mluis 0:91d1a7783bb9 432 {
mluis 0:91d1a7783bb9 433 MAC_IDLE = 0x00000000,
mluis 0:91d1a7783bb9 434 MAC_TX_RUNNING = 0x00000001,
mluis 0:91d1a7783bb9 435 MAC_RX = 0x00000002,
mluis 0:91d1a7783bb9 436 MAC_ACK_REQ = 0x00000004,
mluis 0:91d1a7783bb9 437 MAC_ACK_RETRY = 0x00000008,
mluis 0:91d1a7783bb9 438 MAC_CHANNEL_CHECK = 0x00000010,
mluis 0:91d1a7783bb9 439 };
mluis 0:91d1a7783bb9 440
mluis 0:91d1a7783bb9 441 /*!
mluis 0:91d1a7783bb9 442 * LoRaMac internal state
mluis 0:91d1a7783bb9 443 */
mluis 0:91d1a7783bb9 444 uint32_t LoRaMacState = MAC_IDLE;
mluis 0:91d1a7783bb9 445
mluis 0:91d1a7783bb9 446 /*!
mluis 0:91d1a7783bb9 447 * LoRaMac timer used to check the LoRaMacState (runs every second)
mluis 0:91d1a7783bb9 448 */
mluis 0:91d1a7783bb9 449 static TimerEvent_t MacStateCheckTimer;
mluis 0:91d1a7783bb9 450
mluis 0:91d1a7783bb9 451 /*!
mluis 0:91d1a7783bb9 452 * LoRaMac upper layer event functions
mluis 0:91d1a7783bb9 453 */
mluis 1:91e4e6c60d1e 454 static LoRaMacCallbacks_t *LoRaMacCallbacks;
mluis 0:91d1a7783bb9 455
mluis 0:91d1a7783bb9 456 /*!
mluis 0:91d1a7783bb9 457 * LoRaMac notification event flags
mluis 0:91d1a7783bb9 458 */
mluis 0:91d1a7783bb9 459 LoRaMacEventFlags_t LoRaMacEventFlags;
mluis 0:91d1a7783bb9 460
mluis 0:91d1a7783bb9 461 /*!
mluis 0:91d1a7783bb9 462 * LoRaMac notification event info
mluis 0:91d1a7783bb9 463 */
mluis 0:91d1a7783bb9 464 LoRaMacEventInfo_t LoRaMacEventInfo;
mluis 0:91d1a7783bb9 465
mluis 0:91d1a7783bb9 466 /*!
mluis 0:91d1a7783bb9 467 * LoRaMac channel check timer
mluis 0:91d1a7783bb9 468 */
mluis 0:91d1a7783bb9 469 static TimerEvent_t ChannelCheckTimer;
mluis 0:91d1a7783bb9 470
mluis 0:91d1a7783bb9 471 /*!
mluis 0:91d1a7783bb9 472 * LoRaMac duty cycle delayed Tx timer
mluis 0:91d1a7783bb9 473 */
mluis 0:91d1a7783bb9 474 static TimerEvent_t TxDelayedTimer;
mluis 0:91d1a7783bb9 475
mluis 0:91d1a7783bb9 476 /*!
mluis 0:91d1a7783bb9 477 * LoRaMac reception windows timers
mluis 0:91d1a7783bb9 478 */
mluis 0:91d1a7783bb9 479 static TimerEvent_t RxWindowTimer1;
mluis 0:91d1a7783bb9 480 static TimerEvent_t RxWindowTimer2;
mluis 0:91d1a7783bb9 481
mluis 0:91d1a7783bb9 482 /*!
mluis 0:91d1a7783bb9 483 * LoRaMac reception windows delay from end of Tx
mluis 0:91d1a7783bb9 484 */
mluis 0:91d1a7783bb9 485 static uint32_t ReceiveDelay1;
mluis 0:91d1a7783bb9 486 static uint32_t ReceiveDelay2;
mluis 0:91d1a7783bb9 487 static uint32_t JoinAcceptDelay1;
mluis 0:91d1a7783bb9 488 static uint32_t JoinAcceptDelay2;
mluis 0:91d1a7783bb9 489
mluis 0:91d1a7783bb9 490 /*!
mluis 0:91d1a7783bb9 491 * LoRaMac reception windows delay
mluis 0:91d1a7783bb9 492 * \remark normal frame: RxWindowXDelay = ReceiveDelayX - RADIO_WAKEUP_TIME
mluis 0:91d1a7783bb9 493 * join frame : RxWindowXDelay = JoinAcceptDelayX - RADIO_WAKEUP_TIME
mluis 0:91d1a7783bb9 494 */
mluis 0:91d1a7783bb9 495 static uint32_t RxWindow1Delay;
mluis 0:91d1a7783bb9 496 static uint32_t RxWindow2Delay;
mluis 0:91d1a7783bb9 497
mluis 0:91d1a7783bb9 498 /*!
mluis 0:91d1a7783bb9 499 * LoRaMac maximum time a reception window stays open
mluis 0:91d1a7783bb9 500 */
mluis 0:91d1a7783bb9 501 static uint32_t MaxRxWindow;
mluis 0:91d1a7783bb9 502
mluis 0:91d1a7783bb9 503 /*!
mluis 0:91d1a7783bb9 504 * Acknowledge timeout timer. Used for packet retransmissions.
mluis 0:91d1a7783bb9 505 */
mluis 0:91d1a7783bb9 506 static TimerEvent_t AckTimeoutTimer;
mluis 0:91d1a7783bb9 507
mluis 0:91d1a7783bb9 508 /*!
mluis 0:91d1a7783bb9 509 * Number of trials to get a frame acknowledged
mluis 0:91d1a7783bb9 510 */
mluis 0:91d1a7783bb9 511 static uint8_t AckTimeoutRetries = 1;
mluis 0:91d1a7783bb9 512
mluis 0:91d1a7783bb9 513 /*!
mluis 0:91d1a7783bb9 514 * Number of trials to get a frame acknowledged
mluis 0:91d1a7783bb9 515 */
mluis 0:91d1a7783bb9 516 static uint8_t AckTimeoutRetriesCounter = 1;
mluis 0:91d1a7783bb9 517
mluis 0:91d1a7783bb9 518 /*!
mluis 0:91d1a7783bb9 519 * Indicates if the AckTimeout timer has expired or not
mluis 0:91d1a7783bb9 520 */
mluis 0:91d1a7783bb9 521 static bool AckTimeoutRetry = false;
mluis 0:91d1a7783bb9 522
mluis 0:91d1a7783bb9 523 /*!
mluis 0:91d1a7783bb9 524 * Last transmission time on air
mluis 0:91d1a7783bb9 525 */
mluis 0:91d1a7783bb9 526 TimerTime_t TxTimeOnAir = 0;
mluis 0:91d1a7783bb9 527
mluis 0:91d1a7783bb9 528 /*!
mluis 0:91d1a7783bb9 529 * Function to be executed on Radio Tx Done event
mluis 0:91d1a7783bb9 530 */
mluis 0:91d1a7783bb9 531 static void OnRadioTxDone( void );
mluis 0:91d1a7783bb9 532
mluis 0:91d1a7783bb9 533 /*!
mluis 0:91d1a7783bb9 534 * Function to be executed on Radio Rx Done event
mluis 0:91d1a7783bb9 535 */
mluis 0:91d1a7783bb9 536 static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
mluis 0:91d1a7783bb9 537
mluis 0:91d1a7783bb9 538 /*!
mluis 0:91d1a7783bb9 539 * Function executed on Radio Tx Timeout event
mluis 0:91d1a7783bb9 540 */
mluis 0:91d1a7783bb9 541 static void OnRadioTxTimeout( void );
mluis 0:91d1a7783bb9 542
mluis 0:91d1a7783bb9 543 /*!
mluis 0:91d1a7783bb9 544 * Function executed on Radio Rx error event
mluis 0:91d1a7783bb9 545 */
mluis 0:91d1a7783bb9 546 static void OnRadioRxError( void );
mluis 0:91d1a7783bb9 547
mluis 0:91d1a7783bb9 548 /*!
mluis 0:91d1a7783bb9 549 * Function executed on Radio Rx Timeout event
mluis 0:91d1a7783bb9 550 */
mluis 0:91d1a7783bb9 551 static void OnRadioRxTimeout( void );
mluis 0:91d1a7783bb9 552
mluis 0:91d1a7783bb9 553 /*!
mluis 0:91d1a7783bb9 554 * Function executed on Resend Frame timer event.
mluis 0:91d1a7783bb9 555 */
mluis 0:91d1a7783bb9 556 static void OnMacStateCheckTimerEvent( void );
mluis 0:91d1a7783bb9 557
mluis 0:91d1a7783bb9 558 /*!
mluis 0:91d1a7783bb9 559 * Function executed on duty cycle delayed Tx timer event
mluis 0:91d1a7783bb9 560 */
mluis 0:91d1a7783bb9 561 static void OnTxDelayedTimerEvent( void );
mluis 0:91d1a7783bb9 562
mluis 0:91d1a7783bb9 563 /*!
mluis 0:91d1a7783bb9 564 * Function executed on channel check timer event
mluis 0:91d1a7783bb9 565 */
mluis 0:91d1a7783bb9 566 static void OnChannelCheckTimerEvent( void );
mluis 0:91d1a7783bb9 567
mluis 0:91d1a7783bb9 568 /*!
mluis 0:91d1a7783bb9 569 * Function executed on first Rx window timer event
mluis 0:91d1a7783bb9 570 */
mluis 0:91d1a7783bb9 571 static void OnRxWindow1TimerEvent( void );
mluis 0:91d1a7783bb9 572
mluis 0:91d1a7783bb9 573 /*!
mluis 0:91d1a7783bb9 574 * Function executed on second Rx window timer event
mluis 0:91d1a7783bb9 575 */
mluis 0:91d1a7783bb9 576 static void OnRxWindow2TimerEvent( void );
mluis 0:91d1a7783bb9 577
mluis 0:91d1a7783bb9 578 /*!
mluis 0:91d1a7783bb9 579 * Function executed on AckTimeout timer event
mluis 0:91d1a7783bb9 580 */
mluis 0:91d1a7783bb9 581 static void OnAckTimeoutTimerEvent( void );
mluis 0:91d1a7783bb9 582
mluis 0:91d1a7783bb9 583 /*!
mluis 0:91d1a7783bb9 584 * Radio events function pointer
mluis 0:91d1a7783bb9 585 */
mluis 1:91e4e6c60d1e 586 static RadioEvents_t RadioEvents;
mluis 0:91d1a7783bb9 587
mluis 0:91d1a7783bb9 588 /*!
mluis 0:91d1a7783bb9 589 * \brief Validates if the payload fits into the frame, taking the datarate
mluis 0:91d1a7783bb9 590 * into account.
mluis 0:91d1a7783bb9 591 *
mluis 0:91d1a7783bb9 592 * \details Refer to chapter 4.3.2 of the LoRaWAN specification, v1.0
mluis 0:91d1a7783bb9 593 *
mluis 0:91d1a7783bb9 594 * \param lenN Length of the application payload. The length depends on the
mluis 0:91d1a7783bb9 595 * datarate and is region specific
mluis 0:91d1a7783bb9 596 *
mluis 0:91d1a7783bb9 597 * \param datarate Current datarate
mluis 0:91d1a7783bb9 598 *
mluis 0:91d1a7783bb9 599 * \retval [false: payload does not fit into the frame, true: payload fits into
mluis 0:91d1a7783bb9 600 * the frame]
mluis 0:91d1a7783bb9 601 */
mluis 0:91d1a7783bb9 602 static bool ValidatePayloadLength( uint8_t lenN, int8_t datarate );
mluis 0:91d1a7783bb9 603
mluis 0:91d1a7783bb9 604 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 605 /*!
mluis 0:91d1a7783bb9 606 * \brief Counts the number of enabled 125 kHz channels in the channel mask.
mluis 0:91d1a7783bb9 607 * This function can only be applied to US915 band.
mluis 0:91d1a7783bb9 608 *
mluis 0:91d1a7783bb9 609 * \param channelsMask Pointer to the first element of the channel mask
mluis 0:91d1a7783bb9 610 *
mluis 0:91d1a7783bb9 611 * \retval Number of enabled channels in the channel mask
mluis 0:91d1a7783bb9 612 */
mluis 0:91d1a7783bb9 613 static uint8_t CountNbEnabled125kHzChannels( uint16_t *channelsMask );
mluis 0:91d1a7783bb9 614 #endif
mluis 0:91d1a7783bb9 615
mluis 0:91d1a7783bb9 616 /*!
mluis 0:91d1a7783bb9 617 * \brief Limits the Tx power according to the number of enabled channels
mluis 0:91d1a7783bb9 618 *
mluis 0:91d1a7783bb9 619 * \retval Returns the maximum valid tx power
mluis 0:91d1a7783bb9 620 */
mluis 0:91d1a7783bb9 621 static int8_t LimitTxPower( int8_t txPower );
mluis 0:91d1a7783bb9 622
mluis 0:91d1a7783bb9 623 /*!
mluis 0:91d1a7783bb9 624 * Searches and set the next random available channel
mluis 0:91d1a7783bb9 625 *
mluis 0:91d1a7783bb9 626 * \retval status Function status [0: OK, 1: Unable to find a free channel]
mluis 0:91d1a7783bb9 627 */
mluis 0:91d1a7783bb9 628 static uint8_t LoRaMacSetNextChannel( void )
mluis 0:91d1a7783bb9 629 {
mluis 0:91d1a7783bb9 630 uint8_t i = 0;
mluis 0:91d1a7783bb9 631 uint8_t j = 0;
mluis 0:91d1a7783bb9 632 uint8_t k = 0;
mluis 0:91d1a7783bb9 633 uint8_t nbEnabledChannels = 0;
mluis 0:91d1a7783bb9 634 uint8_t enabledChannels[LORA_MAX_NB_CHANNELS];
mluis 0:91d1a7783bb9 635 TimerTime_t curTime = TimerGetCurrentTime( );
mluis 0:91d1a7783bb9 636
mluis 1:91e4e6c60d1e 637 memset1( enabledChannels, 0, LORA_MAX_NB_CHANNELS );
mluis 0:91d1a7783bb9 638
mluis 0:91d1a7783bb9 639 // Update Aggregated duty cycle
mluis 0:91d1a7783bb9 640 if( AggregatedTimeOff < ( curTime - AggregatedLastTxDoneTime ) )
mluis 0:91d1a7783bb9 641 {
mluis 0:91d1a7783bb9 642 AggregatedTimeOff = 0;
mluis 0:91d1a7783bb9 643 }
mluis 0:91d1a7783bb9 644
mluis 0:91d1a7783bb9 645 // Update bands Time OFF
mluis 0:91d1a7783bb9 646 TimerTime_t minTime = ( TimerTime_t )( -1 );
mluis 0:91d1a7783bb9 647 for( i = 0; i < LORA_MAX_NB_BANDS; i++ )
mluis 0:91d1a7783bb9 648 {
mluis 0:91d1a7783bb9 649 if( DutyCycleOn == true )
mluis 0:91d1a7783bb9 650 {
mluis 0:91d1a7783bb9 651 if( Bands[i].TimeOff < ( curTime - Bands[i].LastTxDoneTime ) )
mluis 0:91d1a7783bb9 652 {
mluis 0:91d1a7783bb9 653 Bands[i].TimeOff = 0;
mluis 0:91d1a7783bb9 654 }
mluis 0:91d1a7783bb9 655 if( Bands[i].TimeOff != 0 )
mluis 0:91d1a7783bb9 656 {
mluis 0:91d1a7783bb9 657 minTime = MIN( Bands[i].TimeOff, minTime );
mluis 0:91d1a7783bb9 658 }
mluis 0:91d1a7783bb9 659 }
mluis 0:91d1a7783bb9 660 else
mluis 0:91d1a7783bb9 661 {
mluis 0:91d1a7783bb9 662 minTime = 0;
mluis 0:91d1a7783bb9 663 Bands[i].TimeOff = 0;
mluis 0:91d1a7783bb9 664 }
mluis 0:91d1a7783bb9 665 }
mluis 0:91d1a7783bb9 666
mluis 0:91d1a7783bb9 667 // Search how many channels are enabled
mluis 0:91d1a7783bb9 668 for( i = 0, k = 0; i < LORA_MAX_NB_CHANNELS; i += 16, k++ )
mluis 0:91d1a7783bb9 669 {
mluis 0:91d1a7783bb9 670 for( j = 0; j < 16; j++ )
mluis 0:91d1a7783bb9 671 {
mluis 0:91d1a7783bb9 672 if( ( ChannelsMask[k] & ( 1 << j ) ) != 0 )
mluis 0:91d1a7783bb9 673 {
mluis 0:91d1a7783bb9 674 if( Channels[i + j].Frequency == 0 )
mluis 0:91d1a7783bb9 675 { // Check if the channel is enabled
mluis 0:91d1a7783bb9 676 continue;
mluis 0:91d1a7783bb9 677 }
mluis 0:91d1a7783bb9 678 if( ( ( Channels[i + j].DrRange.Fields.Min <= ChannelsDatarate ) &&
mluis 0:91d1a7783bb9 679 ( ChannelsDatarate <= Channels[i + j].DrRange.Fields.Max ) ) == false )
mluis 0:91d1a7783bb9 680 { // Check if the current channel selection supports the given datarate
mluis 0:91d1a7783bb9 681 continue;
mluis 0:91d1a7783bb9 682 }
mluis 0:91d1a7783bb9 683 if( Bands[Channels[i + j].Band].TimeOff > 0 )
mluis 0:91d1a7783bb9 684 { // Check if the band is available for transmission
mluis 0:91d1a7783bb9 685 continue;
mluis 0:91d1a7783bb9 686 }
mluis 0:91d1a7783bb9 687 if( AggregatedTimeOff > 0 )
mluis 0:91d1a7783bb9 688 { // Check if there is time available for transmission
mluis 0:91d1a7783bb9 689 continue;
mluis 0:91d1a7783bb9 690 }
mluis 0:91d1a7783bb9 691 enabledChannels[nbEnabledChannels++] = i + j;
mluis 0:91d1a7783bb9 692 }
mluis 0:91d1a7783bb9 693 }
mluis 0:91d1a7783bb9 694 }
mluis 0:91d1a7783bb9 695 if( nbEnabledChannels > 0 )
mluis 0:91d1a7783bb9 696 {
mluis 0:91d1a7783bb9 697 Channel = enabledChannels[randr( 0, nbEnabledChannels - 1 )];
mluis 0:91d1a7783bb9 698 LoRaMacState &= ~MAC_CHANNEL_CHECK;
mluis 0:91d1a7783bb9 699 TimerStop( &ChannelCheckTimer );
mluis 0:91d1a7783bb9 700 return 0;
mluis 0:91d1a7783bb9 701 }
mluis 0:91d1a7783bb9 702 // No free channel found.
mluis 0:91d1a7783bb9 703 // Check again
mluis 0:91d1a7783bb9 704 if( ( LoRaMacState & MAC_CHANNEL_CHECK ) == 0 )
mluis 0:91d1a7783bb9 705 {
mluis 0:91d1a7783bb9 706 TimerSetValue( &ChannelCheckTimer, minTime );
mluis 0:91d1a7783bb9 707 TimerStart( &ChannelCheckTimer );
mluis 0:91d1a7783bb9 708 LoRaMacState |= MAC_CHANNEL_CHECK;
mluis 0:91d1a7783bb9 709 }
mluis 0:91d1a7783bb9 710 return 1;
mluis 0:91d1a7783bb9 711 }
mluis 0:91d1a7783bb9 712
mluis 0:91d1a7783bb9 713 /*
mluis 0:91d1a7783bb9 714 * TODO: Add documentation
mluis 0:91d1a7783bb9 715 */
mluis 0:91d1a7783bb9 716 void OnChannelCheckTimerEvent( void )
mluis 0:91d1a7783bb9 717 {
mluis 0:91d1a7783bb9 718 TimerStop( &ChannelCheckTimer );
mluis 0:91d1a7783bb9 719
mluis 0:91d1a7783bb9 720 LoRaMacState &= ~MAC_CHANNEL_CHECK;
mluis 0:91d1a7783bb9 721 if( LoRaMacSetNextChannel( ) == 0 )
mluis 0:91d1a7783bb9 722 {
mluis 0:91d1a7783bb9 723 if( ( LoRaMacState & MAC_TX_RUNNING ) == MAC_TX_RUNNING )
mluis 0:91d1a7783bb9 724 {
mluis 0:91d1a7783bb9 725 LoRaMacSendFrameOnChannel( Channels[Channel] );
mluis 0:91d1a7783bb9 726 }
mluis 0:91d1a7783bb9 727 }
mluis 0:91d1a7783bb9 728 }
mluis 0:91d1a7783bb9 729
mluis 0:91d1a7783bb9 730 /*!
mluis 0:91d1a7783bb9 731 * Adds a new MAC command to be sent.
mluis 0:91d1a7783bb9 732 *
mluis 0:91d1a7783bb9 733 * \Remark MAC layer internal function
mluis 0:91d1a7783bb9 734 *
mluis 0:91d1a7783bb9 735 * \param [in] cmd MAC command to be added
mluis 0:91d1a7783bb9 736 * [MOTE_MAC_LINK_CHECK_REQ,
mluis 0:91d1a7783bb9 737 * MOTE_MAC_LINK_ADR_ANS,
mluis 0:91d1a7783bb9 738 * MOTE_MAC_DUTY_CYCLE_ANS,
mluis 0:91d1a7783bb9 739 * MOTE_MAC_RX2_PARAM_SET_ANS,
mluis 0:91d1a7783bb9 740 * MOTE_MAC_DEV_STATUS_ANS
mluis 0:91d1a7783bb9 741 * MOTE_MAC_NEW_CHANNEL_ANS]
mluis 0:91d1a7783bb9 742 * \param [in] p1 1st parameter ( optional depends on the command )
mluis 0:91d1a7783bb9 743 * \param [in] p2 2nd parameter ( optional depends on the command )
mluis 0:91d1a7783bb9 744 *
mluis 1:91e4e6c60d1e 745 * \retval status Function status [0: OK, 1: Unknown command, 2: Busy]
mluis 0:91d1a7783bb9 746 */
mluis 0:91d1a7783bb9 747 static uint8_t AddMacCommand( uint8_t cmd, uint8_t p1, uint8_t p2 )
mluis 0:91d1a7783bb9 748 {
mluis 1:91e4e6c60d1e 749 uint8_t status = 2; // Busy
mluis 1:91e4e6c60d1e 750
mluis 0:91d1a7783bb9 751 switch( cmd )
mluis 0:91d1a7783bb9 752 {
mluis 0:91d1a7783bb9 753 case MOTE_MAC_LINK_CHECK_REQ:
mluis 1:91e4e6c60d1e 754 if( MacCommandsBufferIndex < LORA_MAC_COMMAND_MAX_LENGTH )
mluis 1:91e4e6c60d1e 755 {
mluis 1:91e4e6c60d1e 756 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 757 // No payload for this command
mluis 1:91e4e6c60d1e 758 status = 0; // OK
mluis 1:91e4e6c60d1e 759 }
mluis 0:91d1a7783bb9 760 break;
mluis 0:91d1a7783bb9 761 case MOTE_MAC_LINK_ADR_ANS:
mluis 1:91e4e6c60d1e 762 if( MacCommandsBufferIndex < ( LORA_MAC_COMMAND_MAX_LENGTH - 1 ) )
mluis 1:91e4e6c60d1e 763 {
mluis 1:91e4e6c60d1e 764 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 765 // Margin
mluis 1:91e4e6c60d1e 766 MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis 1:91e4e6c60d1e 767 status = 0; // OK
mluis 1:91e4e6c60d1e 768 }
mluis 0:91d1a7783bb9 769 break;
mluis 0:91d1a7783bb9 770 case MOTE_MAC_DUTY_CYCLE_ANS:
mluis 1:91e4e6c60d1e 771 if( MacCommandsBufferIndex < LORA_MAC_COMMAND_MAX_LENGTH )
mluis 1:91e4e6c60d1e 772 {
mluis 1:91e4e6c60d1e 773 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 774 // No payload for this answer
mluis 1:91e4e6c60d1e 775 status = 0; // OK
mluis 1:91e4e6c60d1e 776 }
mluis 0:91d1a7783bb9 777 break;
mluis 0:91d1a7783bb9 778 case MOTE_MAC_RX_PARAM_SETUP_ANS:
mluis 1:91e4e6c60d1e 779 if( MacCommandsBufferIndex < ( LORA_MAC_COMMAND_MAX_LENGTH - 1 ) )
mluis 1:91e4e6c60d1e 780 {
mluis 1:91e4e6c60d1e 781 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 782 // Status: Datarate ACK, Channel ACK
mluis 1:91e4e6c60d1e 783 MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis 1:91e4e6c60d1e 784 status = 0; // OK
mluis 1:91e4e6c60d1e 785 }
mluis 0:91d1a7783bb9 786 break;
mluis 0:91d1a7783bb9 787 case MOTE_MAC_DEV_STATUS_ANS:
mluis 1:91e4e6c60d1e 788 if( MacCommandsBufferIndex < ( LORA_MAC_COMMAND_MAX_LENGTH - 2 ) )
mluis 1:91e4e6c60d1e 789 {
mluis 1:91e4e6c60d1e 790 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 791 // 1st byte Battery
mluis 1:91e4e6c60d1e 792 // 2nd byte Margin
mluis 1:91e4e6c60d1e 793 MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis 1:91e4e6c60d1e 794 MacCommandsBuffer[MacCommandsBufferIndex++] = p2;
mluis 1:91e4e6c60d1e 795 status = 0; // OK
mluis 1:91e4e6c60d1e 796 }
mluis 0:91d1a7783bb9 797 break;
mluis 0:91d1a7783bb9 798 case MOTE_MAC_NEW_CHANNEL_ANS:
mluis 1:91e4e6c60d1e 799 if( MacCommandsBufferIndex < ( LORA_MAC_COMMAND_MAX_LENGTH - 1 ) )
mluis 1:91e4e6c60d1e 800 {
mluis 1:91e4e6c60d1e 801 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 802 // Status: Datarate range OK, Channel frequency OK
mluis 1:91e4e6c60d1e 803 MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
mluis 1:91e4e6c60d1e 804 status = 0; // OK
mluis 1:91e4e6c60d1e 805 }
mluis 0:91d1a7783bb9 806 break;
mluis 0:91d1a7783bb9 807 case MOTE_MAC_RX_TIMING_SETUP_ANS:
mluis 1:91e4e6c60d1e 808 if( MacCommandsBufferIndex < LORA_MAC_COMMAND_MAX_LENGTH )
mluis 1:91e4e6c60d1e 809 {
mluis 1:91e4e6c60d1e 810 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
mluis 1:91e4e6c60d1e 811 // No payload for this answer
mluis 1:91e4e6c60d1e 812 status = 0; // OK
mluis 1:91e4e6c60d1e 813 }
mluis 0:91d1a7783bb9 814 break;
mluis 0:91d1a7783bb9 815 default:
mluis 1:91e4e6c60d1e 816 return 1; // Unknown command
mluis 0:91d1a7783bb9 817 }
mluis 1:91e4e6c60d1e 818 if( status == 0 )
mluis 0:91d1a7783bb9 819 {
mluis 0:91d1a7783bb9 820 MacCommandsInNextTx = true;
mluis 0:91d1a7783bb9 821 }
mluis 1:91e4e6c60d1e 822 return status;
mluis 0:91d1a7783bb9 823 }
mluis 0:91d1a7783bb9 824
mluis 0:91d1a7783bb9 825 // TODO: Add Documentation
mluis 0:91d1a7783bb9 826 static void LoRaMacNotify( LoRaMacEventFlags_t *flags, LoRaMacEventInfo_t *info )
mluis 0:91d1a7783bb9 827 {
mluis 1:91e4e6c60d1e 828 if( ( LoRaMacCallbacks != NULL ) && ( LoRaMacCallbacks->MacEvent != NULL ) )
mluis 0:91d1a7783bb9 829 {
mluis 1:91e4e6c60d1e 830 LoRaMacCallbacks->MacEvent( flags, info );
mluis 0:91d1a7783bb9 831 }
mluis 0:91d1a7783bb9 832 flags->Value = 0;
mluis 0:91d1a7783bb9 833 }
mluis 0:91d1a7783bb9 834
mluis 1:91e4e6c60d1e 835 void LoRaMacInit( LoRaMacCallbacks_t *callbacks )
mluis 0:91d1a7783bb9 836 {
mluis 1:91e4e6c60d1e 837 LoRaMacCallbacks = callbacks;
mluis 0:91d1a7783bb9 838
mluis 0:91d1a7783bb9 839 LoRaMacEventFlags.Value = 0;
mluis 0:91d1a7783bb9 840
mluis 0:91d1a7783bb9 841 LoRaMacEventInfo.TxAckReceived = false;
mluis 0:91d1a7783bb9 842 LoRaMacEventInfo.TxNbRetries = 0;
mluis 0:91d1a7783bb9 843 LoRaMacEventInfo.TxDatarate = 7;
mluis 0:91d1a7783bb9 844 LoRaMacEventInfo.RxPort = 1;
mluis 0:91d1a7783bb9 845 LoRaMacEventInfo.RxBuffer = NULL;
mluis 0:91d1a7783bb9 846 LoRaMacEventInfo.RxBufferSize = 0;
mluis 0:91d1a7783bb9 847 LoRaMacEventInfo.RxRssi = 0;
mluis 0:91d1a7783bb9 848 LoRaMacEventInfo.RxSnr = 0;
mluis 0:91d1a7783bb9 849 LoRaMacEventInfo.Energy = 0;
mluis 0:91d1a7783bb9 850 LoRaMacEventInfo.DemodMargin = 0;
mluis 0:91d1a7783bb9 851 LoRaMacEventInfo.NbGateways = 0;
mluis 0:91d1a7783bb9 852 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 0:91d1a7783bb9 853
mluis 0:91d1a7783bb9 854 LoRaMacDeviceClass = CLASS_A;
mluis 0:91d1a7783bb9 855
mluis 0:91d1a7783bb9 856 UpLinkCounter = 1;
mluis 0:91d1a7783bb9 857 DownLinkCounter = 0;
mluis 0:91d1a7783bb9 858
mluis 0:91d1a7783bb9 859 IsLoRaMacNetworkJoined = false;
mluis 0:91d1a7783bb9 860 LoRaMacState = MAC_IDLE;
mluis 0:91d1a7783bb9 861
mluis 0:91d1a7783bb9 862 #if defined( USE_BAND_433 )
mluis 0:91d1a7783bb9 863 ChannelsMask[0] = LC( 1 ) + LC( 2 ) + LC( 3 );
mluis 0:91d1a7783bb9 864 #elif defined( USE_BAND_780 )
mluis 0:91d1a7783bb9 865 ChannelsMask[0] = LC( 1 ) + LC( 2 ) + LC( 3 );
mluis 0:91d1a7783bb9 866 #elif defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 867 ChannelsMask[0] = LC( 1 ) + LC( 2 ) + LC( 3 );
mluis 0:91d1a7783bb9 868 #elif defined( USE_BAND_915 )
mluis 0:91d1a7783bb9 869 ChannelsMask[0] = 0xFFFF;
mluis 0:91d1a7783bb9 870 ChannelsMask[1] = 0xFFFF;
mluis 0:91d1a7783bb9 871 ChannelsMask[2] = 0xFFFF;
mluis 0:91d1a7783bb9 872 ChannelsMask[3] = 0xFFFF;
mluis 0:91d1a7783bb9 873 ChannelsMask[4] = 0x00FF;
mluis 0:91d1a7783bb9 874 ChannelsMask[5] = 0x0000;
mluis 0:91d1a7783bb9 875 #elif defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 876 ChannelsMask[0] = 0x00FF;
mluis 0:91d1a7783bb9 877 ChannelsMask[1] = 0x0000;
mluis 0:91d1a7783bb9 878 ChannelsMask[2] = 0x0000;
mluis 0:91d1a7783bb9 879 ChannelsMask[3] = 0x0000;
mluis 0:91d1a7783bb9 880 ChannelsMask[4] = 0x0001;
mluis 0:91d1a7783bb9 881 ChannelsMask[5] = 0x0000;
mluis 0:91d1a7783bb9 882 #else
mluis 0:91d1a7783bb9 883 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 884 #endif
mluis 0:91d1a7783bb9 885
mluis 0:91d1a7783bb9 886 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 887 // 125 kHz channels
mluis 0:91d1a7783bb9 888 for( uint8_t i = 0; i < LORA_MAX_NB_CHANNELS - 8; i++ )
mluis 0:91d1a7783bb9 889 {
mluis 0:91d1a7783bb9 890 Channels[i].Frequency = 902.3e6 + i * 200e3;
mluis 0:91d1a7783bb9 891 Channels[i].DrRange.Value = ( DR_3 << 4 ) | DR_0;
mluis 0:91d1a7783bb9 892 Channels[i].Band = 0;
mluis 0:91d1a7783bb9 893 }
mluis 0:91d1a7783bb9 894 // 500 kHz channels
mluis 0:91d1a7783bb9 895 for( uint8_t i = LORA_MAX_NB_CHANNELS - 8; i < LORA_MAX_NB_CHANNELS; i++ )
mluis 0:91d1a7783bb9 896 {
mluis 0:91d1a7783bb9 897 Channels[i].Frequency = 903.0e6 + ( i - ( LORA_MAX_NB_CHANNELS - 8 ) ) * 1.6e6;
mluis 0:91d1a7783bb9 898 Channels[i].DrRange.Value = ( DR_4 << 4 ) | DR_4;
mluis 0:91d1a7783bb9 899 Channels[i].Band = 0;
mluis 0:91d1a7783bb9 900 }
mluis 0:91d1a7783bb9 901 #endif
mluis 0:91d1a7783bb9 902
mluis 0:91d1a7783bb9 903 ChannelsTxPower = LORAMAC_DEFAULT_TX_POWER;
mluis 0:91d1a7783bb9 904 ChannelsDefaultDatarate = ChannelsDatarate = LORAMAC_DEFAULT_DATARATE;
mluis 0:91d1a7783bb9 905 ChannelsNbRep = 1;
mluis 0:91d1a7783bb9 906 ChannelsNbRepCounter = 0;
mluis 0:91d1a7783bb9 907
mluis 0:91d1a7783bb9 908 MaxDCycle = 0;
mluis 0:91d1a7783bb9 909 AggregatedDCycle = 1;
mluis 0:91d1a7783bb9 910 AggregatedLastTxDoneTime = 0;
mluis 0:91d1a7783bb9 911 AggregatedTimeOff = 0;
mluis 0:91d1a7783bb9 912
mluis 0:91d1a7783bb9 913 #if defined( USE_BAND_433 )
mluis 0:91d1a7783bb9 914 DutyCycleOn = false;
mluis 0:91d1a7783bb9 915 #elif defined( USE_BAND_780 )
mluis 0:91d1a7783bb9 916 DutyCycleOn = false;
mluis 0:91d1a7783bb9 917 #elif defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 918 DutyCycleOn = true;
mluis 0:91d1a7783bb9 919 #elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 920 DutyCycleOn = false;
mluis 0:91d1a7783bb9 921 #else
mluis 0:91d1a7783bb9 922 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 923 #endif
mluis 0:91d1a7783bb9 924
mluis 0:91d1a7783bb9 925 MaxRxWindow = MAX_RX_WINDOW;
mluis 0:91d1a7783bb9 926 ReceiveDelay1 = RECEIVE_DELAY1;
mluis 0:91d1a7783bb9 927 ReceiveDelay2 = RECEIVE_DELAY2;
mluis 0:91d1a7783bb9 928 JoinAcceptDelay1 = JOIN_ACCEPT_DELAY1;
mluis 0:91d1a7783bb9 929 JoinAcceptDelay2 = JOIN_ACCEPT_DELAY2;
mluis 0:91d1a7783bb9 930
mluis 0:91d1a7783bb9 931 TimerInit( &MacStateCheckTimer, OnMacStateCheckTimerEvent );
mluis 0:91d1a7783bb9 932 TimerSetValue( &MacStateCheckTimer, MAC_STATE_CHECK_TIMEOUT );
mluis 0:91d1a7783bb9 933
mluis 0:91d1a7783bb9 934 TimerInit( &ChannelCheckTimer, OnChannelCheckTimerEvent );
mluis 0:91d1a7783bb9 935 TimerInit( &TxDelayedTimer, OnTxDelayedTimerEvent );
mluis 0:91d1a7783bb9 936 TimerInit( &RxWindowTimer1, OnRxWindow1TimerEvent );
mluis 0:91d1a7783bb9 937 TimerInit( &RxWindowTimer2, OnRxWindow2TimerEvent );
mluis 0:91d1a7783bb9 938 TimerInit( &AckTimeoutTimer, OnAckTimeoutTimerEvent );
mluis 1:91e4e6c60d1e 939
mluis 1:91e4e6c60d1e 940 // Initialize Radio driver
mluis 1:91e4e6c60d1e 941 RadioEvents.TxDone = OnRadioTxDone;
mluis 1:91e4e6c60d1e 942 RadioEvents.RxDone = OnRadioRxDone;
mluis 1:91e4e6c60d1e 943 RadioEvents.RxError = OnRadioRxError;
mluis 1:91e4e6c60d1e 944 RadioEvents.TxTimeout = OnRadioTxTimeout;
mluis 1:91e4e6c60d1e 945 RadioEvents.RxTimeout = OnRadioRxTimeout;
mluis 1:91e4e6c60d1e 946 Radio.Init( &RadioEvents );
mluis 0:91d1a7783bb9 947
mluis 0:91d1a7783bb9 948 // Random seed initialization
mluis 1:91e4e6c60d1e 949 srand1( Radio.Random( ) );
mluis 0:91d1a7783bb9 950
mluis 0:91d1a7783bb9 951 // Initialize channel index.
mluis 0:91d1a7783bb9 952 Channel = LORA_MAX_NB_CHANNELS;
mluis 0:91d1a7783bb9 953
mluis 0:91d1a7783bb9 954 PublicNetwork = true;
mluis 0:91d1a7783bb9 955 LoRaMacSetPublicNetwork( PublicNetwork );
mluis 0:91d1a7783bb9 956 Radio.Sleep( );
mluis 0:91d1a7783bb9 957 }
mluis 0:91d1a7783bb9 958
mluis 0:91d1a7783bb9 959 void LoRaMacSetAdrOn( bool enable )
mluis 0:91d1a7783bb9 960 {
mluis 0:91d1a7783bb9 961 AdrCtrlOn = enable;
mluis 0:91d1a7783bb9 962 }
mluis 0:91d1a7783bb9 963
mluis 0:91d1a7783bb9 964 void LoRaMacInitNwkIds( uint32_t netID, uint32_t devAddr, uint8_t *nwkSKey, uint8_t *appSKey )
mluis 0:91d1a7783bb9 965 {
mluis 0:91d1a7783bb9 966 LoRaMacNetID = netID;
mluis 0:91d1a7783bb9 967 LoRaMacDevAddr = devAddr;
mluis 0:91d1a7783bb9 968 LoRaMacMemCpy( nwkSKey, LoRaMacNwkSKey, 16 );
mluis 0:91d1a7783bb9 969 LoRaMacMemCpy( appSKey, LoRaMacAppSKey, 16 );
mluis 0:91d1a7783bb9 970
mluis 0:91d1a7783bb9 971 IsLoRaMacNetworkJoined = true;
mluis 0:91d1a7783bb9 972 }
mluis 0:91d1a7783bb9 973
mluis 0:91d1a7783bb9 974 void LoRaMacMulticastChannelAdd( MulticastParams_t *channelParam )
mluis 0:91d1a7783bb9 975 {
mluis 0:91d1a7783bb9 976 // Reset downlink counter
mluis 0:91d1a7783bb9 977 channelParam->DownLinkCounter = 0;
mluis 0:91d1a7783bb9 978
mluis 0:91d1a7783bb9 979 if( MulticastChannels == NULL )
mluis 0:91d1a7783bb9 980 {
mluis 0:91d1a7783bb9 981 MulticastChannels = channelParam;
mluis 0:91d1a7783bb9 982 }
mluis 0:91d1a7783bb9 983 else
mluis 0:91d1a7783bb9 984 {
mluis 0:91d1a7783bb9 985 MulticastParams_t *cur = MulticastChannels;
mluis 0:91d1a7783bb9 986 while( cur->Next != NULL )
mluis 0:91d1a7783bb9 987 {
mluis 0:91d1a7783bb9 988 cur = cur->Next;
mluis 0:91d1a7783bb9 989 }
mluis 0:91d1a7783bb9 990 cur->Next = channelParam;
mluis 0:91d1a7783bb9 991 }
mluis 0:91d1a7783bb9 992 }
mluis 0:91d1a7783bb9 993
mluis 0:91d1a7783bb9 994 void LoRaMacMulticastChannelRemove( MulticastParams_t *channelParam )
mluis 0:91d1a7783bb9 995 {
mluis 0:91d1a7783bb9 996 MulticastParams_t *cur = NULL;
mluis 0:91d1a7783bb9 997
mluis 0:91d1a7783bb9 998 // Remove the front element
mluis 0:91d1a7783bb9 999 if( MulticastChannels == channelParam )
mluis 0:91d1a7783bb9 1000 {
mluis 0:91d1a7783bb9 1001 if( MulticastChannels != NULL )
mluis 0:91d1a7783bb9 1002 {
mluis 0:91d1a7783bb9 1003 cur = MulticastChannels;
mluis 0:91d1a7783bb9 1004 MulticastChannels = MulticastChannels->Next;
mluis 0:91d1a7783bb9 1005 cur->Next = NULL;
mluis 0:91d1a7783bb9 1006 // Last node in the list
mluis 0:91d1a7783bb9 1007 if( cur == MulticastChannels )
mluis 0:91d1a7783bb9 1008 {
mluis 0:91d1a7783bb9 1009 MulticastChannels = NULL;
mluis 0:91d1a7783bb9 1010 }
mluis 0:91d1a7783bb9 1011 }
mluis 0:91d1a7783bb9 1012 return;
mluis 0:91d1a7783bb9 1013 }
mluis 0:91d1a7783bb9 1014
mluis 0:91d1a7783bb9 1015 // Remove last element
mluis 0:91d1a7783bb9 1016 if( channelParam->Next == NULL )
mluis 0:91d1a7783bb9 1017 {
mluis 0:91d1a7783bb9 1018 if( MulticastChannels != NULL )
mluis 0:91d1a7783bb9 1019 {
mluis 0:91d1a7783bb9 1020 cur = MulticastChannels;
mluis 0:91d1a7783bb9 1021 MulticastParams_t *last = NULL;
mluis 0:91d1a7783bb9 1022 while( cur->Next != NULL )
mluis 0:91d1a7783bb9 1023 {
mluis 0:91d1a7783bb9 1024 last = cur;
mluis 0:91d1a7783bb9 1025 cur = cur->Next;
mluis 0:91d1a7783bb9 1026 }
mluis 0:91d1a7783bb9 1027 if( last != NULL )
mluis 0:91d1a7783bb9 1028 {
mluis 0:91d1a7783bb9 1029 last->Next = NULL;
mluis 0:91d1a7783bb9 1030 }
mluis 0:91d1a7783bb9 1031 // Last node in the list
mluis 0:91d1a7783bb9 1032 if( cur == last )
mluis 0:91d1a7783bb9 1033 {
mluis 0:91d1a7783bb9 1034 MulticastChannels = NULL;
mluis 0:91d1a7783bb9 1035 }
mluis 0:91d1a7783bb9 1036 }
mluis 0:91d1a7783bb9 1037 return;
mluis 0:91d1a7783bb9 1038 }
mluis 0:91d1a7783bb9 1039
mluis 0:91d1a7783bb9 1040 // Remove a middle element
mluis 0:91d1a7783bb9 1041 cur = MulticastChannels;
mluis 0:91d1a7783bb9 1042 while( cur != NULL )
mluis 0:91d1a7783bb9 1043 {
mluis 0:91d1a7783bb9 1044 if( cur->Next == channelParam )
mluis 0:91d1a7783bb9 1045 {
mluis 0:91d1a7783bb9 1046 break;
mluis 0:91d1a7783bb9 1047 }
mluis 0:91d1a7783bb9 1048 cur = cur->Next;
mluis 0:91d1a7783bb9 1049 }
mluis 0:91d1a7783bb9 1050 if( cur != NULL )
mluis 0:91d1a7783bb9 1051 {
mluis 0:91d1a7783bb9 1052 MulticastParams_t *tmp = cur ->Next;
mluis 0:91d1a7783bb9 1053 cur->Next = tmp->Next;
mluis 0:91d1a7783bb9 1054 tmp->Next = NULL;
mluis 0:91d1a7783bb9 1055 }
mluis 0:91d1a7783bb9 1056 }
mluis 0:91d1a7783bb9 1057
mluis 0:91d1a7783bb9 1058 uint8_t LoRaMacJoinReq( uint8_t *devEui, uint8_t *appEui, uint8_t *appKey )
mluis 0:91d1a7783bb9 1059 {
mluis 0:91d1a7783bb9 1060 LoRaMacHeader_t macHdr;
mluis 0:91d1a7783bb9 1061
mluis 0:91d1a7783bb9 1062 LoRaMacDevEui = devEui;
mluis 0:91d1a7783bb9 1063 LoRaMacAppEui = appEui;
mluis 0:91d1a7783bb9 1064 LoRaMacAppKey = appKey;
mluis 0:91d1a7783bb9 1065
mluis 0:91d1a7783bb9 1066 macHdr.Value = 0;
mluis 0:91d1a7783bb9 1067 macHdr.Bits.MType = FRAME_TYPE_JOIN_REQ;
mluis 0:91d1a7783bb9 1068
mluis 0:91d1a7783bb9 1069 IsLoRaMacNetworkJoined = false;
mluis 0:91d1a7783bb9 1070
mluis 0:91d1a7783bb9 1071 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 1072 static uint8_t drSwitch = 0;
mluis 0:91d1a7783bb9 1073
mluis 1:91e4e6c60d1e 1074 if( ( ++drSwitch & 0x01 ) == 0x01 )
mluis 0:91d1a7783bb9 1075 {
mluis 0:91d1a7783bb9 1076 ChannelsDatarate = DR_0;
mluis 0:91d1a7783bb9 1077 }
mluis 0:91d1a7783bb9 1078 else
mluis 0:91d1a7783bb9 1079 {
mluis 0:91d1a7783bb9 1080 ChannelsDatarate = DR_4;
mluis 0:91d1a7783bb9 1081 }
mluis 0:91d1a7783bb9 1082 #endif
mluis 0:91d1a7783bb9 1083 return LoRaMacSend( &macHdr, NULL, 0, NULL, 0 );
mluis 0:91d1a7783bb9 1084 }
mluis 0:91d1a7783bb9 1085
mluis 0:91d1a7783bb9 1086 uint8_t LoRaMacLinkCheckReq( void )
mluis 0:91d1a7783bb9 1087 {
mluis 0:91d1a7783bb9 1088 return AddMacCommand( MOTE_MAC_LINK_CHECK_REQ, 0, 0 );
mluis 0:91d1a7783bb9 1089 }
mluis 0:91d1a7783bb9 1090
mluis 0:91d1a7783bb9 1091 uint8_t LoRaMacSendFrame( uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
mluis 0:91d1a7783bb9 1092 {
mluis 0:91d1a7783bb9 1093 LoRaMacHeader_t macHdr;
mluis 0:91d1a7783bb9 1094
mluis 0:91d1a7783bb9 1095 macHdr.Value = 0;
mluis 0:91d1a7783bb9 1096
mluis 0:91d1a7783bb9 1097 macHdr.Bits.MType = FRAME_TYPE_DATA_UNCONFIRMED_UP;
mluis 0:91d1a7783bb9 1098 return LoRaMacSend( &macHdr, NULL, fPort, fBuffer, fBufferSize );
mluis 0:91d1a7783bb9 1099 }
mluis 0:91d1a7783bb9 1100
mluis 0:91d1a7783bb9 1101 uint8_t LoRaMacSendConfirmedFrame( uint8_t fPort, void *fBuffer, uint16_t fBufferSize, uint8_t retries )
mluis 0:91d1a7783bb9 1102 {
mluis 0:91d1a7783bb9 1103 LoRaMacHeader_t macHdr;
mluis 0:91d1a7783bb9 1104
mluis 0:91d1a7783bb9 1105 if( AdrCtrlOn == false )
mluis 0:91d1a7783bb9 1106 {
mluis 0:91d1a7783bb9 1107 ChannelsDatarate = ChannelsDefaultDatarate;
mluis 0:91d1a7783bb9 1108 }
mluis 0:91d1a7783bb9 1109 AckTimeoutRetries = retries;
mluis 0:91d1a7783bb9 1110 AckTimeoutRetriesCounter = 1;
mluis 0:91d1a7783bb9 1111
mluis 0:91d1a7783bb9 1112 macHdr.Value = 0;
mluis 0:91d1a7783bb9 1113
mluis 0:91d1a7783bb9 1114 macHdr.Bits.MType = FRAME_TYPE_DATA_CONFIRMED_UP;
mluis 0:91d1a7783bb9 1115 return LoRaMacSend( &macHdr, NULL, fPort, fBuffer, fBufferSize );
mluis 0:91d1a7783bb9 1116 }
mluis 0:91d1a7783bb9 1117
mluis 0:91d1a7783bb9 1118 uint8_t LoRaMacSend( LoRaMacHeader_t *macHdr, uint8_t *fOpts, uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
mluis 0:91d1a7783bb9 1119 {
mluis 0:91d1a7783bb9 1120 LoRaMacFrameCtrl_t fCtrl;
mluis 0:91d1a7783bb9 1121
mluis 0:91d1a7783bb9 1122 fCtrl.Value = 0;
mluis 0:91d1a7783bb9 1123
mluis 0:91d1a7783bb9 1124 fCtrl.Bits.FOptsLen = 0;
mluis 0:91d1a7783bb9 1125 fCtrl.Bits.FPending = 0;
mluis 0:91d1a7783bb9 1126 fCtrl.Bits.Ack = false;
mluis 0:91d1a7783bb9 1127 fCtrl.Bits.AdrAckReq = false;
mluis 0:91d1a7783bb9 1128 fCtrl.Bits.Adr = AdrCtrlOn;
mluis 0:91d1a7783bb9 1129
mluis 0:91d1a7783bb9 1130 if( LoRaMacSetNextChannel( ) == 0 )
mluis 0:91d1a7783bb9 1131 {
mluis 0:91d1a7783bb9 1132 return LoRaMacSendOnChannel( Channels[Channel], macHdr, &fCtrl, fOpts, fPort, fBuffer, fBufferSize );
mluis 0:91d1a7783bb9 1133 }
mluis 0:91d1a7783bb9 1134 return 5;
mluis 0:91d1a7783bb9 1135 }
mluis 0:91d1a7783bb9 1136
mluis 0:91d1a7783bb9 1137 uint8_t LoRaMacPrepareFrame( ChannelParams_t channel, LoRaMacHeader_t *macHdr, LoRaMacFrameCtrl_t *fCtrl, uint8_t *fOpts, uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
mluis 0:91d1a7783bb9 1138 {
mluis 0:91d1a7783bb9 1139 uint16_t i;
mluis 0:91d1a7783bb9 1140 uint8_t pktHeaderLen = 0;
mluis 0:91d1a7783bb9 1141 uint32_t mic = 0;
mluis 0:91d1a7783bb9 1142
mluis 0:91d1a7783bb9 1143 LoRaMacBufferPktLen = 0;
mluis 0:91d1a7783bb9 1144
mluis 0:91d1a7783bb9 1145 NodeAckRequested = false;
mluis 0:91d1a7783bb9 1146
mluis 0:91d1a7783bb9 1147 if( fBuffer == NULL )
mluis 0:91d1a7783bb9 1148 {
mluis 0:91d1a7783bb9 1149 fBufferSize = 0;
mluis 0:91d1a7783bb9 1150 }
mluis 0:91d1a7783bb9 1151 else
mluis 0:91d1a7783bb9 1152 {
mluis 0:91d1a7783bb9 1153 if( ValidatePayloadLength( fBufferSize, ChannelsDatarate ) == false )
mluis 0:91d1a7783bb9 1154 {
mluis 0:91d1a7783bb9 1155 return 3;
mluis 0:91d1a7783bb9 1156 }
mluis 0:91d1a7783bb9 1157 }
mluis 0:91d1a7783bb9 1158
mluis 0:91d1a7783bb9 1159 LoRaMacBuffer[pktHeaderLen++] = macHdr->Value;
mluis 0:91d1a7783bb9 1160
mluis 0:91d1a7783bb9 1161 switch( macHdr->Bits.MType )
mluis 0:91d1a7783bb9 1162 {
mluis 0:91d1a7783bb9 1163 case FRAME_TYPE_JOIN_REQ:
mluis 0:91d1a7783bb9 1164 RxWindow1Delay = JoinAcceptDelay1 - RADIO_WAKEUP_TIME;
mluis 0:91d1a7783bb9 1165 RxWindow2Delay = JoinAcceptDelay2 - RADIO_WAKEUP_TIME;
mluis 0:91d1a7783bb9 1166
mluis 0:91d1a7783bb9 1167 LoRaMacBufferPktLen = pktHeaderLen;
mluis 0:91d1a7783bb9 1168
mluis 0:91d1a7783bb9 1169 LoRaMacMemCpy( LoRaMacAppEui, LoRaMacBuffer + LoRaMacBufferPktLen, 8 );
mluis 0:91d1a7783bb9 1170 LoRaMacBufferPktLen += 8;
mluis 0:91d1a7783bb9 1171 LoRaMacMemCpy( LoRaMacDevEui, LoRaMacBuffer + LoRaMacBufferPktLen, 8 );
mluis 0:91d1a7783bb9 1172 LoRaMacBufferPktLen += 8;
mluis 0:91d1a7783bb9 1173
mluis 0:91d1a7783bb9 1174 LoRaMacDevNonce = Radio.Random( );
mluis 0:91d1a7783bb9 1175
mluis 0:91d1a7783bb9 1176 LoRaMacBuffer[LoRaMacBufferPktLen++] = LoRaMacDevNonce & 0xFF;
mluis 0:91d1a7783bb9 1177 LoRaMacBuffer[LoRaMacBufferPktLen++] = ( LoRaMacDevNonce >> 8 ) & 0xFF;
mluis 0:91d1a7783bb9 1178
mluis 0:91d1a7783bb9 1179 LoRaMacJoinComputeMic( LoRaMacBuffer, LoRaMacBufferPktLen & 0xFF, LoRaMacAppKey, &mic );
mluis 0:91d1a7783bb9 1180
mluis 0:91d1a7783bb9 1181 LoRaMacBuffer[LoRaMacBufferPktLen++] = mic & 0xFF;
mluis 0:91d1a7783bb9 1182 LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 8 ) & 0xFF;
mluis 0:91d1a7783bb9 1183 LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 16 ) & 0xFF;
mluis 0:91d1a7783bb9 1184 LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 24 ) & 0xFF;
mluis 0:91d1a7783bb9 1185
mluis 0:91d1a7783bb9 1186 break;
mluis 0:91d1a7783bb9 1187 case FRAME_TYPE_DATA_CONFIRMED_UP:
mluis 0:91d1a7783bb9 1188 NodeAckRequested = true;
mluis 0:91d1a7783bb9 1189 //Intentional falltrough
mluis 0:91d1a7783bb9 1190 case FRAME_TYPE_DATA_UNCONFIRMED_UP:
mluis 0:91d1a7783bb9 1191 if( IsLoRaMacNetworkJoined == false )
mluis 0:91d1a7783bb9 1192 {
mluis 0:91d1a7783bb9 1193 return 2; // No network has been joined yet
mluis 0:91d1a7783bb9 1194 }
mluis 0:91d1a7783bb9 1195
mluis 0:91d1a7783bb9 1196 RxWindow1Delay = ReceiveDelay1 - RADIO_WAKEUP_TIME;
mluis 0:91d1a7783bb9 1197 RxWindow2Delay = ReceiveDelay2 - RADIO_WAKEUP_TIME;
mluis 0:91d1a7783bb9 1198
mluis 0:91d1a7783bb9 1199 if( fOpts == NULL )
mluis 0:91d1a7783bb9 1200 {
mluis 0:91d1a7783bb9 1201 fCtrl->Bits.FOptsLen = 0;
mluis 0:91d1a7783bb9 1202 }
mluis 0:91d1a7783bb9 1203
mluis 0:91d1a7783bb9 1204 if( SrvAckRequested == true )
mluis 0:91d1a7783bb9 1205 {
mluis 0:91d1a7783bb9 1206 SrvAckRequested = false;
mluis 0:91d1a7783bb9 1207 fCtrl->Bits.Ack = 1;
mluis 0:91d1a7783bb9 1208 }
mluis 0:91d1a7783bb9 1209
mluis 0:91d1a7783bb9 1210 if( fCtrl->Bits.Adr == true )
mluis 0:91d1a7783bb9 1211 {
mluis 0:91d1a7783bb9 1212 if( ChannelsDatarate == LORAMAC_MIN_DATARATE )
mluis 0:91d1a7783bb9 1213 {
mluis 0:91d1a7783bb9 1214 AdrAckCounter = 0;
mluis 0:91d1a7783bb9 1215 fCtrl->Bits.AdrAckReq = false;
mluis 0:91d1a7783bb9 1216 }
mluis 0:91d1a7783bb9 1217 else
mluis 0:91d1a7783bb9 1218 {
mluis 0:91d1a7783bb9 1219 if( AdrAckCounter > ADR_ACK_LIMIT )
mluis 0:91d1a7783bb9 1220 {
mluis 0:91d1a7783bb9 1221 fCtrl->Bits.AdrAckReq = true;
mluis 0:91d1a7783bb9 1222 }
mluis 0:91d1a7783bb9 1223 else
mluis 0:91d1a7783bb9 1224 {
mluis 0:91d1a7783bb9 1225 fCtrl->Bits.AdrAckReq = false;
mluis 0:91d1a7783bb9 1226 }
mluis 0:91d1a7783bb9 1227 if( AdrAckCounter > ( ADR_ACK_LIMIT + ADR_ACK_DELAY ) )
mluis 0:91d1a7783bb9 1228 {
mluis 0:91d1a7783bb9 1229 AdrAckCounter = 0;
mluis 0:91d1a7783bb9 1230 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 1231 if( ChannelsDatarate > LORAMAC_MIN_DATARATE )
mluis 0:91d1a7783bb9 1232 {
mluis 0:91d1a7783bb9 1233 ChannelsDatarate--;
mluis 0:91d1a7783bb9 1234 }
mluis 0:91d1a7783bb9 1235 else
mluis 0:91d1a7783bb9 1236 {
mluis 0:91d1a7783bb9 1237 // Re-enable default channels LC1, LC2, LC3
mluis 0:91d1a7783bb9 1238 ChannelsMask[0] = ChannelsMask[0] | ( LC( 1 ) + LC( 2 ) + LC( 3 ) );
mluis 0:91d1a7783bb9 1239 }
mluis 0:91d1a7783bb9 1240 #elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 1241 if( ( ChannelsDatarate > LORAMAC_MIN_DATARATE ) && ( ChannelsDatarate == DR_8 ) )
mluis 0:91d1a7783bb9 1242 {
mluis 0:91d1a7783bb9 1243 ChannelsDatarate = DR_4;
mluis 0:91d1a7783bb9 1244 }
mluis 0:91d1a7783bb9 1245 if( ChannelsDatarate > LORAMAC_MIN_DATARATE )
mluis 0:91d1a7783bb9 1246 {
mluis 0:91d1a7783bb9 1247 ChannelsDatarate--;
mluis 0:91d1a7783bb9 1248 }
mluis 0:91d1a7783bb9 1249 else
mluis 0:91d1a7783bb9 1250 {
mluis 0:91d1a7783bb9 1251 #if defined( USE_BAND_915 )
mluis 0:91d1a7783bb9 1252 // Re-enable default channels
mluis 0:91d1a7783bb9 1253 ChannelsMask[0] = 0xFFFF;
mluis 0:91d1a7783bb9 1254 ChannelsMask[1] = 0xFFFF;
mluis 0:91d1a7783bb9 1255 ChannelsMask[2] = 0xFFFF;
mluis 0:91d1a7783bb9 1256 ChannelsMask[3] = 0xFFFF;
mluis 0:91d1a7783bb9 1257 ChannelsMask[4] = 0x00FF;
mluis 0:91d1a7783bb9 1258 ChannelsMask[5] = 0x0000;
mluis 0:91d1a7783bb9 1259 #else // defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 1260 // Re-enable default channels
mluis 0:91d1a7783bb9 1261 ChannelsMask[0] = 0x00FF;
mluis 0:91d1a7783bb9 1262 ChannelsMask[1] = 0x0000;
mluis 0:91d1a7783bb9 1263 ChannelsMask[2] = 0x0000;
mluis 0:91d1a7783bb9 1264 ChannelsMask[3] = 0x0000;
mluis 0:91d1a7783bb9 1265 ChannelsMask[4] = 0x0001;
mluis 0:91d1a7783bb9 1266 ChannelsMask[5] = 0x0000;
mluis 0:91d1a7783bb9 1267 #endif
mluis 0:91d1a7783bb9 1268 }
mluis 0:91d1a7783bb9 1269 #else
mluis 0:91d1a7783bb9 1270 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 1271 #endif
mluis 0:91d1a7783bb9 1272 }
mluis 0:91d1a7783bb9 1273 }
mluis 0:91d1a7783bb9 1274 }
mluis 0:91d1a7783bb9 1275
mluis 0:91d1a7783bb9 1276 LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr ) & 0xFF;
mluis 0:91d1a7783bb9 1277 LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 8 ) & 0xFF;
mluis 0:91d1a7783bb9 1278 LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 16 ) & 0xFF;
mluis 0:91d1a7783bb9 1279 LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 24 ) & 0xFF;
mluis 0:91d1a7783bb9 1280
mluis 0:91d1a7783bb9 1281 LoRaMacBuffer[pktHeaderLen++] = fCtrl->Value;
mluis 0:91d1a7783bb9 1282
mluis 0:91d1a7783bb9 1283 LoRaMacBuffer[pktHeaderLen++] = UpLinkCounter & 0xFF;
mluis 0:91d1a7783bb9 1284 LoRaMacBuffer[pktHeaderLen++] = ( UpLinkCounter >> 8 ) & 0xFF;
mluis 0:91d1a7783bb9 1285
mluis 0:91d1a7783bb9 1286 if( fOpts != NULL )
mluis 0:91d1a7783bb9 1287 {
mluis 0:91d1a7783bb9 1288 for( i = 0; i < fCtrl->Bits.FOptsLen; i++ )
mluis 0:91d1a7783bb9 1289 {
mluis 0:91d1a7783bb9 1290 LoRaMacBuffer[pktHeaderLen++] = fOpts[i];
mluis 0:91d1a7783bb9 1291 }
mluis 0:91d1a7783bb9 1292 }
mluis 0:91d1a7783bb9 1293 if( ( MacCommandsBufferIndex + fCtrl->Bits.FOptsLen ) <= 15 )
mluis 0:91d1a7783bb9 1294 {
mluis 0:91d1a7783bb9 1295 if( MacCommandsInNextTx == true )
mluis 0:91d1a7783bb9 1296 {
mluis 0:91d1a7783bb9 1297 fCtrl->Bits.FOptsLen += MacCommandsBufferIndex;
mluis 0:91d1a7783bb9 1298
mluis 0:91d1a7783bb9 1299 // Update FCtrl field with new value of OptionsLength
mluis 0:91d1a7783bb9 1300 LoRaMacBuffer[0x05] = fCtrl->Value;
mluis 0:91d1a7783bb9 1301 for( i = 0; i < MacCommandsBufferIndex; i++ )
mluis 0:91d1a7783bb9 1302 {
mluis 0:91d1a7783bb9 1303 LoRaMacBuffer[pktHeaderLen++] = MacCommandsBuffer[i];
mluis 0:91d1a7783bb9 1304 }
mluis 0:91d1a7783bb9 1305 }
mluis 0:91d1a7783bb9 1306 }
mluis 1:91e4e6c60d1e 1307 MacCommandsInNextTx = false;
mluis 1:91e4e6c60d1e 1308 MacCommandsBufferIndex = 0;
mluis 0:91d1a7783bb9 1309
mluis 0:91d1a7783bb9 1310 if( ( pktHeaderLen + fBufferSize ) > LORAMAC_PHY_MAXPAYLOAD )
mluis 0:91d1a7783bb9 1311 {
mluis 0:91d1a7783bb9 1312 return 3;
mluis 0:91d1a7783bb9 1313 }
mluis 0:91d1a7783bb9 1314
mluis 0:91d1a7783bb9 1315 if( fBuffer != NULL )
mluis 0:91d1a7783bb9 1316 {
mluis 0:91d1a7783bb9 1317 LoRaMacBuffer[pktHeaderLen++] = fPort;
mluis 0:91d1a7783bb9 1318
mluis 0:91d1a7783bb9 1319 if( fPort == 0 )
mluis 0:91d1a7783bb9 1320 {
mluis 0:91d1a7783bb9 1321 LoRaMacPayloadEncrypt( ( uint8_t* )fBuffer, fBufferSize, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, LoRaMacPayload );
mluis 0:91d1a7783bb9 1322 }
mluis 0:91d1a7783bb9 1323 else
mluis 0:91d1a7783bb9 1324 {
mluis 0:91d1a7783bb9 1325 LoRaMacPayloadEncrypt( ( uint8_t* )fBuffer, fBufferSize, LoRaMacAppSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, LoRaMacPayload );
mluis 0:91d1a7783bb9 1326 }
mluis 0:91d1a7783bb9 1327 LoRaMacMemCpy( LoRaMacPayload, LoRaMacBuffer + pktHeaderLen, fBufferSize );
mluis 0:91d1a7783bb9 1328 }
mluis 0:91d1a7783bb9 1329 LoRaMacBufferPktLen = pktHeaderLen + fBufferSize;
mluis 0:91d1a7783bb9 1330
mluis 0:91d1a7783bb9 1331 LoRaMacComputeMic( LoRaMacBuffer, LoRaMacBufferPktLen, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, &mic );
mluis 0:91d1a7783bb9 1332
mluis 0:91d1a7783bb9 1333 if( ( LoRaMacBufferPktLen + LORAMAC_MFR_LEN ) > LORAMAC_PHY_MAXPAYLOAD )
mluis 0:91d1a7783bb9 1334 {
mluis 0:91d1a7783bb9 1335 return 3;
mluis 0:91d1a7783bb9 1336 }
mluis 0:91d1a7783bb9 1337 LoRaMacBuffer[LoRaMacBufferPktLen + 0] = mic & 0xFF;
mluis 0:91d1a7783bb9 1338 LoRaMacBuffer[LoRaMacBufferPktLen + 1] = ( mic >> 8 ) & 0xFF;
mluis 0:91d1a7783bb9 1339 LoRaMacBuffer[LoRaMacBufferPktLen + 2] = ( mic >> 16 ) & 0xFF;
mluis 0:91d1a7783bb9 1340 LoRaMacBuffer[LoRaMacBufferPktLen + 3] = ( mic >> 24 ) & 0xFF;
mluis 0:91d1a7783bb9 1341
mluis 0:91d1a7783bb9 1342 LoRaMacBufferPktLen += LORAMAC_MFR_LEN;
mluis 0:91d1a7783bb9 1343 break;
mluis 0:91d1a7783bb9 1344 default:
mluis 0:91d1a7783bb9 1345 return 4;
mluis 0:91d1a7783bb9 1346 }
mluis 0:91d1a7783bb9 1347
mluis 0:91d1a7783bb9 1348 return 0;
mluis 0:91d1a7783bb9 1349 }
mluis 0:91d1a7783bb9 1350
mluis 0:91d1a7783bb9 1351 uint8_t LoRaMacSendFrameOnChannel( ChannelParams_t channel )
mluis 0:91d1a7783bb9 1352 {
mluis 0:91d1a7783bb9 1353 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ERROR;
mluis 0:91d1a7783bb9 1354 LoRaMacEventInfo.TxDatarate = ChannelsDatarate;
mluis 0:91d1a7783bb9 1355
mluis 0:91d1a7783bb9 1356 ChannelsTxPower = LimitTxPower( ChannelsTxPower );
mluis 0:91d1a7783bb9 1357
mluis 0:91d1a7783bb9 1358 Radio.SetChannel( channel.Frequency );
mluis 0:91d1a7783bb9 1359 Radio.SetMaxPayloadLength( MODEM_LORA, LoRaMacBufferPktLen );
mluis 0:91d1a7783bb9 1360
mluis 0:91d1a7783bb9 1361 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 1362 if( ChannelsDatarate == DR_7 )
mluis 0:91d1a7783bb9 1363 { // High Speed FSK channel
mluis 0:91d1a7783bb9 1364 Radio.SetTxConfig( MODEM_FSK, TxPowers[ChannelsTxPower], 25e3, 0, Datarates[ChannelsDatarate] * 1e3, 0, 5, false, true, 0, 0, false, 3e6 );
mluis 0:91d1a7783bb9 1365 TxTimeOnAir = Radio.TimeOnAir( MODEM_FSK, LoRaMacBufferPktLen );
mluis 0:91d1a7783bb9 1366 }
mluis 0:91d1a7783bb9 1367 else if( ChannelsDatarate == DR_6 )
mluis 0:91d1a7783bb9 1368 { // High speed LoRa channel
mluis 0:91d1a7783bb9 1369 Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 1, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 );
mluis 0:91d1a7783bb9 1370 TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
mluis 0:91d1a7783bb9 1371 }
mluis 0:91d1a7783bb9 1372 else
mluis 0:91d1a7783bb9 1373 { // Normal LoRa channel
mluis 0:91d1a7783bb9 1374 Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 0, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 );
mluis 0:91d1a7783bb9 1375 TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
mluis 0:91d1a7783bb9 1376 }
mluis 0:91d1a7783bb9 1377 #elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 1378 if( ChannelsDatarate >= DR_4 )
mluis 0:91d1a7783bb9 1379 { // High speed LoRa channel BW500 kHz
mluis 0:91d1a7783bb9 1380 Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 2, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 );
mluis 0:91d1a7783bb9 1381 TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
mluis 0:91d1a7783bb9 1382 }
mluis 0:91d1a7783bb9 1383 else
mluis 0:91d1a7783bb9 1384 { // Normal LoRa channel
mluis 0:91d1a7783bb9 1385 Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 0, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 );
mluis 0:91d1a7783bb9 1386 TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen );
mluis 0:91d1a7783bb9 1387 }
mluis 0:91d1a7783bb9 1388 #else
mluis 0:91d1a7783bb9 1389 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 1390 #endif
mluis 0:91d1a7783bb9 1391
mluis 0:91d1a7783bb9 1392 if( MaxDCycle == 255 )
mluis 0:91d1a7783bb9 1393 {
mluis 0:91d1a7783bb9 1394 return 6;
mluis 0:91d1a7783bb9 1395 }
mluis 0:91d1a7783bb9 1396 if( MaxDCycle == 0 )
mluis 0:91d1a7783bb9 1397 {
mluis 0:91d1a7783bb9 1398 AggregatedTimeOff = 0;
mluis 0:91d1a7783bb9 1399 }
mluis 0:91d1a7783bb9 1400
mluis 0:91d1a7783bb9 1401 LoRaMacState |= MAC_TX_RUNNING;
mluis 0:91d1a7783bb9 1402 // Starts the MAC layer status check timer
mluis 0:91d1a7783bb9 1403 TimerStart( &MacStateCheckTimer );
mluis 0:91d1a7783bb9 1404
mluis 0:91d1a7783bb9 1405 if( MAX( Bands[channel.Band].TimeOff, AggregatedTimeOff ) > ( TimerGetCurrentTime( ) ) )
mluis 0:91d1a7783bb9 1406 {
mluis 0:91d1a7783bb9 1407 // Schedule transmission
mluis 0:91d1a7783bb9 1408 TimerSetValue( &TxDelayedTimer, MAX( Bands[channel.Band].TimeOff, AggregatedTimeOff ) );
mluis 0:91d1a7783bb9 1409 TimerStart( &TxDelayedTimer );
mluis 0:91d1a7783bb9 1410 }
mluis 0:91d1a7783bb9 1411 else
mluis 0:91d1a7783bb9 1412 {
mluis 0:91d1a7783bb9 1413 // Send now
mluis 0:91d1a7783bb9 1414 Radio.Send( LoRaMacBuffer, LoRaMacBufferPktLen );
mluis 0:91d1a7783bb9 1415 }
mluis 0:91d1a7783bb9 1416 return 0;
mluis 0:91d1a7783bb9 1417 }
mluis 0:91d1a7783bb9 1418
mluis 0:91d1a7783bb9 1419
mluis 0:91d1a7783bb9 1420 void OnTxDelayedTimerEvent( void )
mluis 0:91d1a7783bb9 1421 {
mluis 0:91d1a7783bb9 1422 TimerStop( &TxDelayedTimer );
mluis 0:91d1a7783bb9 1423 Radio.Send( LoRaMacBuffer, LoRaMacBufferPktLen );
mluis 0:91d1a7783bb9 1424 }
mluis 0:91d1a7783bb9 1425
mluis 0:91d1a7783bb9 1426 uint8_t LoRaMacSendOnChannel( ChannelParams_t channel, LoRaMacHeader_t *macHdr, LoRaMacFrameCtrl_t *fCtrl, uint8_t *fOpts, uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
mluis 0:91d1a7783bb9 1427 {
mluis 0:91d1a7783bb9 1428 uint8_t status = 0;
mluis 0:91d1a7783bb9 1429
mluis 0:91d1a7783bb9 1430 if( ( LoRaMacState & MAC_TX_RUNNING ) == MAC_TX_RUNNING )
mluis 0:91d1a7783bb9 1431 {
mluis 0:91d1a7783bb9 1432 return 1; // MAC is busy transmitting a previous frame
mluis 0:91d1a7783bb9 1433 }
mluis 0:91d1a7783bb9 1434
mluis 0:91d1a7783bb9 1435 status = LoRaMacPrepareFrame( channel, macHdr, fCtrl, fOpts, fPort, fBuffer, fBufferSize );
mluis 0:91d1a7783bb9 1436 if( status != 0 )
mluis 0:91d1a7783bb9 1437 {
mluis 0:91d1a7783bb9 1438 return status;
mluis 0:91d1a7783bb9 1439 }
mluis 0:91d1a7783bb9 1440
mluis 0:91d1a7783bb9 1441 LoRaMacEventInfo.TxNbRetries = 0;
mluis 0:91d1a7783bb9 1442 LoRaMacEventInfo.TxAckReceived = false;
mluis 0:91d1a7783bb9 1443
mluis 0:91d1a7783bb9 1444 return LoRaMacSendFrameOnChannel( channel );
mluis 0:91d1a7783bb9 1445 }
mluis 0:91d1a7783bb9 1446
mluis 0:91d1a7783bb9 1447 static void LoRaMacProcessMacCommands( uint8_t *payload, uint8_t macIndex, uint8_t commandsSize )
mluis 0:91d1a7783bb9 1448 {
mluis 0:91d1a7783bb9 1449 while( macIndex < commandsSize )
mluis 0:91d1a7783bb9 1450 {
mluis 0:91d1a7783bb9 1451 // Decode Frame MAC commands
mluis 0:91d1a7783bb9 1452 switch( payload[macIndex++] )
mluis 0:91d1a7783bb9 1453 {
mluis 0:91d1a7783bb9 1454 case SRV_MAC_LINK_CHECK_ANS:
mluis 0:91d1a7783bb9 1455 LoRaMacEventFlags.Bits.LinkCheck = 1;
mluis 0:91d1a7783bb9 1456 LoRaMacEventInfo.DemodMargin = payload[macIndex++];
mluis 0:91d1a7783bb9 1457 LoRaMacEventInfo.NbGateways = payload[macIndex++];
mluis 0:91d1a7783bb9 1458 break;
mluis 0:91d1a7783bb9 1459 case SRV_MAC_LINK_ADR_REQ:
mluis 0:91d1a7783bb9 1460 {
mluis 0:91d1a7783bb9 1461 uint8_t status = 0x07;
mluis 0:91d1a7783bb9 1462 uint16_t chMask;
mluis 0:91d1a7783bb9 1463 int8_t txPower = 0;
mluis 0:91d1a7783bb9 1464 int8_t datarate = 0;
mluis 0:91d1a7783bb9 1465 uint8_t nbRep = 0;
mluis 0:91d1a7783bb9 1466 uint8_t chMaskCntl = 0;
mluis 0:91d1a7783bb9 1467 uint16_t channelsMask[6] = { 0, 0, 0, 0, 0, 0 };
mluis 0:91d1a7783bb9 1468
mluis 0:91d1a7783bb9 1469 // Initialize local copy of the channels mask array
mluis 0:91d1a7783bb9 1470 for( uint8_t i = 0; i < 6; i++ )
mluis 0:91d1a7783bb9 1471 {
mluis 0:91d1a7783bb9 1472 channelsMask[i] = ChannelsMask[i];
mluis 0:91d1a7783bb9 1473 }
mluis 0:91d1a7783bb9 1474 datarate = payload[macIndex++];
mluis 0:91d1a7783bb9 1475 txPower = datarate & 0x0F;
mluis 0:91d1a7783bb9 1476 datarate = ( datarate >> 4 ) & 0x0F;
mluis 0:91d1a7783bb9 1477
mluis 0:91d1a7783bb9 1478 if( ( AdrCtrlOn == false ) &&
mluis 0:91d1a7783bb9 1479 ( ( ChannelsDatarate != datarate ) || ( ChannelsTxPower != txPower ) ) )
mluis 0:91d1a7783bb9 1480 { // ADR disabled don't handle ADR requests if server tries to change datarate or txpower
mluis 0:91d1a7783bb9 1481 // Answer the server with fail status
mluis 0:91d1a7783bb9 1482 // Power ACK = 0
mluis 0:91d1a7783bb9 1483 // Data rate ACK = 0
mluis 0:91d1a7783bb9 1484 // Channel mask = 0
mluis 0:91d1a7783bb9 1485 AddMacCommand( MOTE_MAC_LINK_ADR_ANS, 0, 0 );
mluis 1:91e4e6c60d1e 1486 macIndex += 3; // Skip over the remaining bytes of the request
mluis 0:91d1a7783bb9 1487 break;
mluis 0:91d1a7783bb9 1488 }
mluis 1:91e4e6c60d1e 1489 chMask = ( uint16_t )payload[macIndex++];
mluis 1:91e4e6c60d1e 1490 chMask |= ( uint16_t )payload[macIndex++] << 8;
mluis 0:91d1a7783bb9 1491
mluis 0:91d1a7783bb9 1492 nbRep = payload[macIndex++];
mluis 0:91d1a7783bb9 1493 chMaskCntl = ( nbRep >> 4 ) & 0x07;
mluis 0:91d1a7783bb9 1494 nbRep &= 0x0F;
mluis 0:91d1a7783bb9 1495 if( nbRep == 0 )
mluis 0:91d1a7783bb9 1496 {
mluis 0:91d1a7783bb9 1497 nbRep = 1;
mluis 0:91d1a7783bb9 1498 }
mluis 0:91d1a7783bb9 1499 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 1500 if( ( chMaskCntl == 0 ) && ( chMask == 0 ) )
mluis 0:91d1a7783bb9 1501 {
mluis 0:91d1a7783bb9 1502 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 1503 }
mluis 0:91d1a7783bb9 1504 else if( ( chMaskCntl >= 1 ) && ( chMaskCntl <= 5 ) )
mluis 0:91d1a7783bb9 1505 {
mluis 0:91d1a7783bb9 1506 // RFU
mluis 0:91d1a7783bb9 1507 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 1508 }
mluis 0:91d1a7783bb9 1509 else
mluis 0:91d1a7783bb9 1510 {
mluis 0:91d1a7783bb9 1511 for( uint8_t i = 0; i < LORA_MAX_NB_CHANNELS; i++ )
mluis 0:91d1a7783bb9 1512 {
mluis 0:91d1a7783bb9 1513 if( chMaskCntl == 6 )
mluis 0:91d1a7783bb9 1514 {
mluis 0:91d1a7783bb9 1515 if( Channels[i].Frequency != 0 )
mluis 0:91d1a7783bb9 1516 {
mluis 0:91d1a7783bb9 1517 chMask |= 1 << i;
mluis 0:91d1a7783bb9 1518 }
mluis 0:91d1a7783bb9 1519 }
mluis 0:91d1a7783bb9 1520 else
mluis 0:91d1a7783bb9 1521 {
mluis 0:91d1a7783bb9 1522 if( ( ( chMask & ( 1 << i ) ) != 0 ) &&
mluis 0:91d1a7783bb9 1523 ( Channels[i].Frequency == 0 ) )
mluis 0:91d1a7783bb9 1524 {// Trying to enable an undefined channel
mluis 0:91d1a7783bb9 1525 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 1526 }
mluis 0:91d1a7783bb9 1527 }
mluis 0:91d1a7783bb9 1528 }
mluis 0:91d1a7783bb9 1529 channelsMask[0] = chMask;
mluis 0:91d1a7783bb9 1530 }
mluis 0:91d1a7783bb9 1531 #elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 1532 if( chMaskCntl == 6 )
mluis 0:91d1a7783bb9 1533 {
mluis 0:91d1a7783bb9 1534 // Enable all 125 kHz channels
mluis 0:91d1a7783bb9 1535 for( uint8_t i = 0, k = 0; i < LORA_MAX_NB_CHANNELS - 8; i += 16, k++ )
mluis 0:91d1a7783bb9 1536 {
mluis 0:91d1a7783bb9 1537 for( uint8_t j = 0; j < 16; j++ )
mluis 0:91d1a7783bb9 1538 {
mluis 0:91d1a7783bb9 1539 if( Channels[i + j].Frequency != 0 )
mluis 0:91d1a7783bb9 1540 {
mluis 0:91d1a7783bb9 1541 channelsMask[k] |= 1 << j;
mluis 0:91d1a7783bb9 1542 }
mluis 0:91d1a7783bb9 1543 }
mluis 0:91d1a7783bb9 1544 }
mluis 0:91d1a7783bb9 1545 }
mluis 0:91d1a7783bb9 1546 else if( chMaskCntl == 7 )
mluis 0:91d1a7783bb9 1547 {
mluis 0:91d1a7783bb9 1548 // Disable all 125 kHz channels
mluis 0:91d1a7783bb9 1549 channelsMask[0] = 0x0000;
mluis 0:91d1a7783bb9 1550 channelsMask[1] = 0x0000;
mluis 0:91d1a7783bb9 1551 channelsMask[2] = 0x0000;
mluis 0:91d1a7783bb9 1552 channelsMask[3] = 0x0000;
mluis 0:91d1a7783bb9 1553 }
mluis 0:91d1a7783bb9 1554 else if( chMaskCntl == 5 )
mluis 0:91d1a7783bb9 1555 {
mluis 0:91d1a7783bb9 1556 // RFU
mluis 0:91d1a7783bb9 1557 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 1558 }
mluis 0:91d1a7783bb9 1559 else
mluis 0:91d1a7783bb9 1560 {
mluis 0:91d1a7783bb9 1561 for( uint8_t i = 0; i < 16; i++ )
mluis 0:91d1a7783bb9 1562 {
mluis 0:91d1a7783bb9 1563 if( ( ( chMask & ( 1 << i ) ) != 0 ) &&
mluis 0:91d1a7783bb9 1564 ( Channels[chMaskCntl * 16 + i].Frequency == 0 ) )
mluis 0:91d1a7783bb9 1565 {// Trying to enable an undefined channel
mluis 0:91d1a7783bb9 1566 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 1567 }
mluis 0:91d1a7783bb9 1568 }
mluis 0:91d1a7783bb9 1569 channelsMask[chMaskCntl] = chMask;
mluis 0:91d1a7783bb9 1570
mluis 0:91d1a7783bb9 1571 if( CountNbEnabled125kHzChannels( channelsMask ) < 6 )
mluis 0:91d1a7783bb9 1572 {
mluis 0:91d1a7783bb9 1573 status &= 0xFE; // Channel mask KO
mluis 0:91d1a7783bb9 1574 }
mluis 0:91d1a7783bb9 1575 }
mluis 0:91d1a7783bb9 1576 #else
mluis 0:91d1a7783bb9 1577 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 1578 #endif
mluis 0:91d1a7783bb9 1579 if( ( ( datarate < LORAMAC_MIN_DATARATE ) ||
mluis 0:91d1a7783bb9 1580 ( datarate > LORAMAC_MAX_DATARATE ) ) == true )
mluis 0:91d1a7783bb9 1581 {
mluis 0:91d1a7783bb9 1582 status &= 0xFD; // Datarate KO
mluis 0:91d1a7783bb9 1583 }
mluis 0:91d1a7783bb9 1584
mluis 0:91d1a7783bb9 1585 //
mluis 0:91d1a7783bb9 1586 // Remark MaxTxPower = 0 and MinTxPower = 5
mluis 0:91d1a7783bb9 1587 //
mluis 0:91d1a7783bb9 1588 if( ( ( LORAMAC_MAX_TX_POWER <= txPower ) &&
mluis 0:91d1a7783bb9 1589 ( txPower <= LORAMAC_MIN_TX_POWER ) ) == false )
mluis 0:91d1a7783bb9 1590 {
mluis 0:91d1a7783bb9 1591 status &= 0xFB; // TxPower KO
mluis 0:91d1a7783bb9 1592 }
mluis 0:91d1a7783bb9 1593 if( ( status & 0x07 ) == 0x07 )
mluis 0:91d1a7783bb9 1594 {
mluis 0:91d1a7783bb9 1595 ChannelsDatarate = datarate;
mluis 0:91d1a7783bb9 1596 ChannelsTxPower = txPower;
mluis 0:91d1a7783bb9 1597 #if defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 1598 ChannelsMask[0] = channelsMask[0] & 0x00FF;
mluis 0:91d1a7783bb9 1599 ChannelsMask[1] = channelsMask[1] & 0x0000;
mluis 0:91d1a7783bb9 1600 ChannelsMask[2] = channelsMask[2] & 0x0000;
mluis 0:91d1a7783bb9 1601 ChannelsMask[3] = channelsMask[3] & 0x0000;
mluis 0:91d1a7783bb9 1602 ChannelsMask[4] = channelsMask[4] & 0x0001;
mluis 0:91d1a7783bb9 1603 ChannelsMask[5] = channelsMask[5] & 0x0000;
mluis 0:91d1a7783bb9 1604 #else
mluis 0:91d1a7783bb9 1605 ChannelsMask[0] = channelsMask[0];
mluis 0:91d1a7783bb9 1606 ChannelsMask[1] = channelsMask[1];
mluis 0:91d1a7783bb9 1607 ChannelsMask[2] = channelsMask[2];
mluis 0:91d1a7783bb9 1608 ChannelsMask[3] = channelsMask[3];
mluis 0:91d1a7783bb9 1609 ChannelsMask[4] = channelsMask[4];
mluis 0:91d1a7783bb9 1610 ChannelsMask[5] = channelsMask[5];
mluis 0:91d1a7783bb9 1611 #endif
mluis 0:91d1a7783bb9 1612 ChannelsNbRep = nbRep;
mluis 0:91d1a7783bb9 1613 }
mluis 0:91d1a7783bb9 1614 AddMacCommand( MOTE_MAC_LINK_ADR_ANS, status, 0 );
mluis 0:91d1a7783bb9 1615 }
mluis 0:91d1a7783bb9 1616 break;
mluis 0:91d1a7783bb9 1617 case SRV_MAC_DUTY_CYCLE_REQ:
mluis 0:91d1a7783bb9 1618 MaxDCycle = payload[macIndex++];
mluis 0:91d1a7783bb9 1619 AggregatedDCycle = 1 << MaxDCycle;
mluis 0:91d1a7783bb9 1620 AddMacCommand( MOTE_MAC_DUTY_CYCLE_ANS, 0, 0 );
mluis 0:91d1a7783bb9 1621 break;
mluis 0:91d1a7783bb9 1622 case SRV_MAC_RX_PARAM_SETUP_REQ:
mluis 0:91d1a7783bb9 1623 {
mluis 0:91d1a7783bb9 1624 uint8_t status = 0x07;
mluis 0:91d1a7783bb9 1625 int8_t datarate = 0;
mluis 0:91d1a7783bb9 1626 int8_t drOffset = 0;
mluis 0:91d1a7783bb9 1627 uint32_t freq = 0;
mluis 0:91d1a7783bb9 1628
mluis 1:91e4e6c60d1e 1629 drOffset = ( payload[macIndex] >> 4 ) & 0x07;
mluis 1:91e4e6c60d1e 1630 datarate = payload[macIndex] & 0x0F;
mluis 1:91e4e6c60d1e 1631 macIndex++;
mluis 0:91d1a7783bb9 1632 freq = ( uint32_t )payload[macIndex++];
mluis 0:91d1a7783bb9 1633 freq |= ( uint32_t )payload[macIndex++] << 8;
mluis 0:91d1a7783bb9 1634 freq |= ( uint32_t )payload[macIndex++] << 16;
mluis 0:91d1a7783bb9 1635 freq *= 100;
mluis 0:91d1a7783bb9 1636
mluis 0:91d1a7783bb9 1637 if( Radio.CheckRfFrequency( freq ) == false )
mluis 0:91d1a7783bb9 1638 {
mluis 0:91d1a7783bb9 1639 status &= 0xFE; // Channel frequency KO
mluis 0:91d1a7783bb9 1640 }
mluis 0:91d1a7783bb9 1641
mluis 0:91d1a7783bb9 1642 if( ( ( datarate < LORAMAC_MIN_DATARATE ) ||
mluis 0:91d1a7783bb9 1643 ( datarate > LORAMAC_MAX_DATARATE ) ) == true )
mluis 0:91d1a7783bb9 1644 {
mluis 0:91d1a7783bb9 1645 status &= 0xFD; // Datarate KO
mluis 0:91d1a7783bb9 1646 }
mluis 0:91d1a7783bb9 1647
mluis 1:91e4e6c60d1e 1648 if( ( ( drOffset < LORAMAC_MIN_RX1_DR_OFFSET ) ||
mluis 1:91e4e6c60d1e 1649 ( drOffset > LORAMAC_MAX_RX1_DR_OFFSET ) ) == true )
mluis 0:91d1a7783bb9 1650 {
mluis 0:91d1a7783bb9 1651 status &= 0xFB; // Rx1DrOffset range KO
mluis 0:91d1a7783bb9 1652 }
mluis 0:91d1a7783bb9 1653
mluis 0:91d1a7783bb9 1654 if( ( status & 0x07 ) == 0x07 )
mluis 0:91d1a7783bb9 1655 {
mluis 0:91d1a7783bb9 1656 Rx2Channel.Datarate = datarate;
mluis 0:91d1a7783bb9 1657 Rx2Channel.Frequency = freq;
mluis 0:91d1a7783bb9 1658 Rx1DrOffset = drOffset;
mluis 0:91d1a7783bb9 1659 }
mluis 0:91d1a7783bb9 1660 AddMacCommand( MOTE_MAC_RX_PARAM_SETUP_ANS, status, 0 );
mluis 0:91d1a7783bb9 1661 }
mluis 0:91d1a7783bb9 1662 break;
mluis 0:91d1a7783bb9 1663 case SRV_MAC_DEV_STATUS_REQ:
mluis 1:91e4e6c60d1e 1664 {
mluis 1:91e4e6c60d1e 1665 uint8_t batteryLevel = BAT_LEVEL_NO_MEASURE;
mluis 1:91e4e6c60d1e 1666 if( ( LoRaMacCallbacks != NULL ) && ( LoRaMacCallbacks->GetBatteryLevel != NULL ) )
mluis 1:91e4e6c60d1e 1667 {
mluis 1:91e4e6c60d1e 1668 batteryLevel = LoRaMacCallbacks->GetBatteryLevel( );
mluis 1:91e4e6c60d1e 1669 }
mluis 1:91e4e6c60d1e 1670 AddMacCommand( MOTE_MAC_DEV_STATUS_ANS, batteryLevel, LoRaMacEventInfo.RxSnr );
mluis 1:91e4e6c60d1e 1671 }
mluis 0:91d1a7783bb9 1672 break;
mluis 0:91d1a7783bb9 1673 case SRV_MAC_NEW_CHANNEL_REQ:
mluis 0:91d1a7783bb9 1674 {
mluis 0:91d1a7783bb9 1675 uint8_t status = 0x03;
mluis 0:91d1a7783bb9 1676 int8_t channelIndex = 0;
mluis 0:91d1a7783bb9 1677 ChannelParams_t chParam;
mluis 0:91d1a7783bb9 1678
mluis 0:91d1a7783bb9 1679 channelIndex = payload[macIndex++];
mluis 0:91d1a7783bb9 1680 chParam.Frequency = ( uint32_t )payload[macIndex++];
mluis 0:91d1a7783bb9 1681 chParam.Frequency |= ( uint32_t )payload[macIndex++] << 8;
mluis 0:91d1a7783bb9 1682 chParam.Frequency |= ( uint32_t )payload[macIndex++] << 16;
mluis 0:91d1a7783bb9 1683 chParam.Frequency *= 100;
mluis 0:91d1a7783bb9 1684 chParam.DrRange.Value = payload[macIndex++];
mluis 0:91d1a7783bb9 1685
mluis 0:91d1a7783bb9 1686 if( ( channelIndex < 3 ) || ( channelIndex > LORA_MAX_NB_CHANNELS ) )
mluis 0:91d1a7783bb9 1687 {
mluis 0:91d1a7783bb9 1688 status &= 0xFE; // Channel frequency KO
mluis 0:91d1a7783bb9 1689 }
mluis 0:91d1a7783bb9 1690
mluis 0:91d1a7783bb9 1691 if( Radio.CheckRfFrequency( chParam.Frequency ) == false )
mluis 0:91d1a7783bb9 1692 {
mluis 0:91d1a7783bb9 1693 status &= 0xFE; // Channel frequency KO
mluis 0:91d1a7783bb9 1694 }
mluis 0:91d1a7783bb9 1695
mluis 0:91d1a7783bb9 1696 if( ( chParam.DrRange.Fields.Min > chParam.DrRange.Fields.Max ) ||
mluis 0:91d1a7783bb9 1697 ( ( ( LORAMAC_MIN_DATARATE <= chParam.DrRange.Fields.Min ) &&
mluis 0:91d1a7783bb9 1698 ( chParam.DrRange.Fields.Min <= LORAMAC_MAX_DATARATE ) ) == false ) ||
mluis 0:91d1a7783bb9 1699 ( ( ( LORAMAC_MIN_DATARATE <= chParam.DrRange.Fields.Max ) &&
mluis 0:91d1a7783bb9 1700 ( chParam.DrRange.Fields.Max <= LORAMAC_MAX_DATARATE ) ) == false ) )
mluis 0:91d1a7783bb9 1701 {
mluis 0:91d1a7783bb9 1702 status &= 0xFD; // Datarate range KO
mluis 0:91d1a7783bb9 1703 }
mluis 0:91d1a7783bb9 1704 if( ( status & 0x03 ) == 0x03 )
mluis 0:91d1a7783bb9 1705 {
mluis 0:91d1a7783bb9 1706 LoRaMacSetChannel( channelIndex, chParam );
mluis 0:91d1a7783bb9 1707 }
mluis 0:91d1a7783bb9 1708 AddMacCommand( MOTE_MAC_NEW_CHANNEL_ANS, status, 0 );
mluis 0:91d1a7783bb9 1709 }
mluis 0:91d1a7783bb9 1710 break;
mluis 0:91d1a7783bb9 1711 case SRV_MAC_RX_TIMING_SETUP_REQ:
mluis 0:91d1a7783bb9 1712 {
mluis 0:91d1a7783bb9 1713 uint8_t delay = payload[macIndex++] & 0x0F;
mluis 0:91d1a7783bb9 1714
mluis 0:91d1a7783bb9 1715 if( delay == 0 )
mluis 0:91d1a7783bb9 1716 {
mluis 0:91d1a7783bb9 1717 delay++;
mluis 0:91d1a7783bb9 1718 }
mluis 0:91d1a7783bb9 1719 ReceiveDelay1 = delay * 1e6;
mluis 0:91d1a7783bb9 1720 ReceiveDelay2 = ReceiveDelay1 + 1e6;
mluis 0:91d1a7783bb9 1721 AddMacCommand( MOTE_MAC_RX_TIMING_SETUP_ANS, 0, 0 );
mluis 0:91d1a7783bb9 1722 }
mluis 0:91d1a7783bb9 1723 break;
mluis 0:91d1a7783bb9 1724 default:
mluis 0:91d1a7783bb9 1725 // Unknown command. ABORT MAC commands processing
mluis 0:91d1a7783bb9 1726 return;
mluis 0:91d1a7783bb9 1727 }
mluis 0:91d1a7783bb9 1728 }
mluis 0:91d1a7783bb9 1729 }
mluis 0:91d1a7783bb9 1730
mluis 0:91d1a7783bb9 1731 /*!
mluis 0:91d1a7783bb9 1732 * Function to be executed on Tx Done event
mluis 0:91d1a7783bb9 1733 */
mluis 0:91d1a7783bb9 1734 static void OnRadioTxDone( void )
mluis 0:91d1a7783bb9 1735 {
mluis 0:91d1a7783bb9 1736 TimerTime_t curTime = TimerGetCurrentTime( );
mluis 0:91d1a7783bb9 1737 if( LoRaMacDeviceClass != CLASS_C )
mluis 0:91d1a7783bb9 1738 {
mluis 0:91d1a7783bb9 1739 Radio.Sleep( );
mluis 0:91d1a7783bb9 1740 }
mluis 0:91d1a7783bb9 1741 else
mluis 0:91d1a7783bb9 1742 {
mluis 0:91d1a7783bb9 1743 OnRxWindow2TimerEvent( );
mluis 0:91d1a7783bb9 1744 }
mluis 0:91d1a7783bb9 1745
mluis 0:91d1a7783bb9 1746 // Update Band Time OFF
mluis 0:91d1a7783bb9 1747 Bands[Channels[Channel].Band].LastTxDoneTime = curTime;
mluis 0:91d1a7783bb9 1748 if( DutyCycleOn == true )
mluis 0:91d1a7783bb9 1749 {
mluis 0:91d1a7783bb9 1750 Bands[Channels[Channel].Band].TimeOff = TxTimeOnAir * Bands[Channels[Channel].Band].DCycle - TxTimeOnAir;
mluis 0:91d1a7783bb9 1751 }
mluis 0:91d1a7783bb9 1752 else
mluis 0:91d1a7783bb9 1753 {
mluis 0:91d1a7783bb9 1754 Bands[Channels[Channel].Band].TimeOff = 0;
mluis 0:91d1a7783bb9 1755 }
mluis 0:91d1a7783bb9 1756 // Update Agregated Time OFF
mluis 0:91d1a7783bb9 1757 AggregatedLastTxDoneTime = curTime;
mluis 0:91d1a7783bb9 1758 AggregatedTimeOff = AggregatedTimeOff + ( TxTimeOnAir * AggregatedDCycle - TxTimeOnAir );
mluis 0:91d1a7783bb9 1759
mluis 0:91d1a7783bb9 1760 if( IsRxWindowsEnabled == true )
mluis 0:91d1a7783bb9 1761 {
mluis 0:91d1a7783bb9 1762 TimerSetValue( &RxWindowTimer1, RxWindow1Delay );
mluis 0:91d1a7783bb9 1763 TimerStart( &RxWindowTimer1 );
mluis 0:91d1a7783bb9 1764 if( LoRaMacDeviceClass != CLASS_C )
mluis 0:91d1a7783bb9 1765 {
mluis 0:91d1a7783bb9 1766 TimerSetValue( &RxWindowTimer2, RxWindow2Delay );
mluis 0:91d1a7783bb9 1767 TimerStart( &RxWindowTimer2 );
mluis 0:91d1a7783bb9 1768 }
mluis 1:91e4e6c60d1e 1769 if( ( LoRaMacDeviceClass == CLASS_C ) || ( NodeAckRequested == true ) )
mluis 1:91e4e6c60d1e 1770 {
mluis 1:91e4e6c60d1e 1771 TimerSetValue( &AckTimeoutTimer, RxWindow2Delay + ACK_TIMEOUT +
mluis 1:91e4e6c60d1e 1772 randr( -ACK_TIMEOUT_RND, ACK_TIMEOUT_RND ) );
mluis 1:91e4e6c60d1e 1773 TimerStart( &AckTimeoutTimer );
mluis 1:91e4e6c60d1e 1774 }
mluis 0:91d1a7783bb9 1775 }
mluis 0:91d1a7783bb9 1776 else
mluis 0:91d1a7783bb9 1777 {
mluis 0:91d1a7783bb9 1778 LoRaMacEventFlags.Bits.Tx = 1;
mluis 0:91d1a7783bb9 1779 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 0:91d1a7783bb9 1780 }
mluis 0:91d1a7783bb9 1781
mluis 0:91d1a7783bb9 1782 if( NodeAckRequested == false )
mluis 0:91d1a7783bb9 1783 {
mluis 1:91e4e6c60d1e 1784 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 0:91d1a7783bb9 1785 ChannelsNbRepCounter++;
mluis 0:91d1a7783bb9 1786 }
mluis 0:91d1a7783bb9 1787 }
mluis 0:91d1a7783bb9 1788
mluis 0:91d1a7783bb9 1789 /*!
mluis 0:91d1a7783bb9 1790 * Function to be executed on Rx Done event
mluis 0:91d1a7783bb9 1791 */
mluis 0:91d1a7783bb9 1792 static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
mluis 0:91d1a7783bb9 1793 {
mluis 0:91d1a7783bb9 1794 LoRaMacHeader_t macHdr;
mluis 0:91d1a7783bb9 1795 LoRaMacFrameCtrl_t fCtrl;
mluis 0:91d1a7783bb9 1796
mluis 0:91d1a7783bb9 1797 uint8_t pktHeaderLen = 0;
mluis 0:91d1a7783bb9 1798 uint32_t address = 0;
mluis 0:91d1a7783bb9 1799 uint8_t appPayloadStartIndex = 0;
mluis 0:91d1a7783bb9 1800 uint8_t port = 0xFF;
mluis 0:91d1a7783bb9 1801 uint8_t frameLen = 0;
mluis 0:91d1a7783bb9 1802 uint32_t mic = 0;
mluis 0:91d1a7783bb9 1803 uint32_t micRx = 0;
mluis 0:91d1a7783bb9 1804
mluis 1:91e4e6c60d1e 1805 uint16_t sequenceCounter = 0;
mluis 1:91e4e6c60d1e 1806 uint16_t sequenceCounterPrev = 0;
mluis 1:91e4e6c60d1e 1807 uint16_t sequenceCounterDiff = 0;
mluis 1:91e4e6c60d1e 1808 uint32_t downLinkCounter = 0;
mluis 1:91e4e6c60d1e 1809
mluis 0:91d1a7783bb9 1810 MulticastParams_t *curMulticastParams = NULL;
mluis 0:91d1a7783bb9 1811 uint8_t *nwkSKey = LoRaMacNwkSKey;
mluis 0:91d1a7783bb9 1812 uint8_t *appSKey = LoRaMacAppSKey;
mluis 0:91d1a7783bb9 1813
mluis 0:91d1a7783bb9 1814 bool isMicOk = false;
mluis 0:91d1a7783bb9 1815
mluis 0:91d1a7783bb9 1816 if( LoRaMacDeviceClass != CLASS_C )
mluis 0:91d1a7783bb9 1817 {
mluis 0:91d1a7783bb9 1818 Radio.Sleep( );
mluis 0:91d1a7783bb9 1819 }
mluis 0:91d1a7783bb9 1820 else
mluis 0:91d1a7783bb9 1821 {
mluis 0:91d1a7783bb9 1822 if( LoRaMacEventFlags.Bits.RxSlot == 0 )
mluis 0:91d1a7783bb9 1823 {
mluis 0:91d1a7783bb9 1824 OnRxWindow2TimerEvent( );
mluis 0:91d1a7783bb9 1825 }
mluis 0:91d1a7783bb9 1826 }
mluis 0:91d1a7783bb9 1827 TimerStop( &RxWindowTimer2 );
mluis 0:91d1a7783bb9 1828
mluis 0:91d1a7783bb9 1829 macHdr.Value = payload[pktHeaderLen++];
mluis 0:91d1a7783bb9 1830
mluis 0:91d1a7783bb9 1831 switch( macHdr.Bits.MType )
mluis 0:91d1a7783bb9 1832 {
mluis 0:91d1a7783bb9 1833 case FRAME_TYPE_JOIN_ACCEPT:
mluis 0:91d1a7783bb9 1834 if( IsLoRaMacNetworkJoined == true )
mluis 0:91d1a7783bb9 1835 {
mluis 0:91d1a7783bb9 1836 break;
mluis 0:91d1a7783bb9 1837 }
mluis 0:91d1a7783bb9 1838 LoRaMacJoinDecrypt( payload + 1, size - 1, LoRaMacAppKey, LoRaMacRxPayload + 1 );
mluis 0:91d1a7783bb9 1839
mluis 0:91d1a7783bb9 1840 LoRaMacRxPayload[0] = macHdr.Value;
mluis 0:91d1a7783bb9 1841
mluis 0:91d1a7783bb9 1842 LoRaMacJoinComputeMic( LoRaMacRxPayload, size - LORAMAC_MFR_LEN, LoRaMacAppKey, &mic );
mluis 0:91d1a7783bb9 1843
mluis 0:91d1a7783bb9 1844 micRx |= ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN];
mluis 0:91d1a7783bb9 1845 micRx |= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 1] << 8 );
mluis 0:91d1a7783bb9 1846 micRx |= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 2] << 16 );
mluis 0:91d1a7783bb9 1847 micRx |= ( ( uint32_t )LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 3] << 24 );
mluis 0:91d1a7783bb9 1848
mluis 0:91d1a7783bb9 1849 if( micRx == mic )
mluis 0:91d1a7783bb9 1850 {
mluis 0:91d1a7783bb9 1851 LoRaMacEventFlags.Bits.Rx = 1;
mluis 0:91d1a7783bb9 1852 LoRaMacEventInfo.RxSnr = snr;
mluis 0:91d1a7783bb9 1853 LoRaMacEventInfo.RxRssi = rssi;
mluis 0:91d1a7783bb9 1854
mluis 0:91d1a7783bb9 1855 LoRaMacJoinComputeSKeys( LoRaMacAppKey, LoRaMacRxPayload + 1, LoRaMacDevNonce, LoRaMacNwkSKey, LoRaMacAppSKey );
mluis 0:91d1a7783bb9 1856
mluis 0:91d1a7783bb9 1857 LoRaMacNetID = ( uint32_t )LoRaMacRxPayload[4];
mluis 0:91d1a7783bb9 1858 LoRaMacNetID |= ( ( uint32_t )LoRaMacRxPayload[5] << 8 );
mluis 0:91d1a7783bb9 1859 LoRaMacNetID |= ( ( uint32_t )LoRaMacRxPayload[6] << 16 );
mluis 0:91d1a7783bb9 1860
mluis 0:91d1a7783bb9 1861 LoRaMacDevAddr = ( uint32_t )LoRaMacRxPayload[7];
mluis 0:91d1a7783bb9 1862 LoRaMacDevAddr |= ( ( uint32_t )LoRaMacRxPayload[8] << 8 );
mluis 0:91d1a7783bb9 1863 LoRaMacDevAddr |= ( ( uint32_t )LoRaMacRxPayload[9] << 16 );
mluis 0:91d1a7783bb9 1864 LoRaMacDevAddr |= ( ( uint32_t )LoRaMacRxPayload[10] << 24 );
mluis 0:91d1a7783bb9 1865
mluis 0:91d1a7783bb9 1866 // DLSettings
mluis 0:91d1a7783bb9 1867 Rx1DrOffset = ( LoRaMacRxPayload[11] >> 4 ) & 0x07;
mluis 0:91d1a7783bb9 1868 Rx2Channel.Datarate = LoRaMacRxPayload[11] & 0x0F;
mluis 1:91e4e6c60d1e 1869 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 1:91e4e6c60d1e 1870 /*
mluis 1:91e4e6c60d1e 1871 * WARNING: To be removed once Semtech server implementation
mluis 1:91e4e6c60d1e 1872 * is corrected.
mluis 1:91e4e6c60d1e 1873 */
mluis 1:91e4e6c60d1e 1874 if( Rx2Channel.Datarate == DR_3 )
mluis 1:91e4e6c60d1e 1875 {
mluis 1:91e4e6c60d1e 1876 Rx2Channel.Datarate = DR_8;
mluis 1:91e4e6c60d1e 1877 }
mluis 1:91e4e6c60d1e 1878 #endif
mluis 0:91d1a7783bb9 1879 // RxDelay
mluis 0:91d1a7783bb9 1880 ReceiveDelay1 = ( LoRaMacRxPayload[12] & 0x0F );
mluis 0:91d1a7783bb9 1881 if( ReceiveDelay1 == 0 )
mluis 0:91d1a7783bb9 1882 {
mluis 0:91d1a7783bb9 1883 ReceiveDelay1 = 1;
mluis 0:91d1a7783bb9 1884 }
mluis 0:91d1a7783bb9 1885 ReceiveDelay1 *= 1e6;
mluis 0:91d1a7783bb9 1886 ReceiveDelay2 = ReceiveDelay1 + 1e6;
mluis 0:91d1a7783bb9 1887
mluis 0:91d1a7783bb9 1888 #if !( defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID ) )
mluis 0:91d1a7783bb9 1889 //CFList
mluis 0:91d1a7783bb9 1890 if( ( size - 1 ) > 16 )
mluis 0:91d1a7783bb9 1891 {
mluis 0:91d1a7783bb9 1892 ChannelParams_t param;
mluis 0:91d1a7783bb9 1893 param.DrRange.Value = ( DR_5 << 4 ) | DR_0;
mluis 0:91d1a7783bb9 1894
mluis 0:91d1a7783bb9 1895 for( uint8_t i = 3, j = 0; i < ( 5 + 3 ); i++, j += 3 )
mluis 0:91d1a7783bb9 1896 {
mluis 0:91d1a7783bb9 1897 param.Frequency = ( ( uint32_t )LoRaMacRxPayload[13 + j] | ( ( uint32_t )LoRaMacRxPayload[14 + j] << 8 ) | ( ( uint32_t )LoRaMacRxPayload[15 + j] << 16 ) ) * 100;
mluis 0:91d1a7783bb9 1898 LoRaMacSetChannel( i, param );
mluis 0:91d1a7783bb9 1899 }
mluis 0:91d1a7783bb9 1900 }
mluis 0:91d1a7783bb9 1901 #endif
mluis 0:91d1a7783bb9 1902 LoRaMacEventFlags.Bits.JoinAccept = 1;
mluis 0:91d1a7783bb9 1903 IsLoRaMacNetworkJoined = true;
mluis 0:91d1a7783bb9 1904 ChannelsDatarate = ChannelsDefaultDatarate;
mluis 0:91d1a7783bb9 1905 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 0:91d1a7783bb9 1906 }
mluis 0:91d1a7783bb9 1907 else
mluis 0:91d1a7783bb9 1908 {
mluis 0:91d1a7783bb9 1909 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL;
mluis 0:91d1a7783bb9 1910 }
mluis 0:91d1a7783bb9 1911 break;
mluis 0:91d1a7783bb9 1912 case FRAME_TYPE_DATA_CONFIRMED_DOWN:
mluis 0:91d1a7783bb9 1913 case FRAME_TYPE_DATA_UNCONFIRMED_DOWN:
mluis 0:91d1a7783bb9 1914 {
mluis 0:91d1a7783bb9 1915 address = payload[pktHeaderLen++];
mluis 0:91d1a7783bb9 1916 address |= ( (uint32_t)payload[pktHeaderLen++] << 8 );
mluis 0:91d1a7783bb9 1917 address |= ( (uint32_t)payload[pktHeaderLen++] << 16 );
mluis 0:91d1a7783bb9 1918 address |= ( (uint32_t)payload[pktHeaderLen++] << 24 );
mluis 0:91d1a7783bb9 1919
mluis 0:91d1a7783bb9 1920 if( address != LoRaMacDevAddr )
mluis 0:91d1a7783bb9 1921 {
mluis 0:91d1a7783bb9 1922 curMulticastParams = MulticastChannels;
mluis 0:91d1a7783bb9 1923 while( curMulticastParams != NULL )
mluis 0:91d1a7783bb9 1924 {
mluis 0:91d1a7783bb9 1925 if( address == curMulticastParams->Address )
mluis 0:91d1a7783bb9 1926 {
mluis 0:91d1a7783bb9 1927 LoRaMacEventFlags.Bits.Multicast = 1;
mluis 0:91d1a7783bb9 1928 nwkSKey = curMulticastParams->NwkSKey;
mluis 0:91d1a7783bb9 1929 appSKey = curMulticastParams->AppSKey;
mluis 0:91d1a7783bb9 1930 downLinkCounter = curMulticastParams->DownLinkCounter;
mluis 0:91d1a7783bb9 1931 break;
mluis 0:91d1a7783bb9 1932 }
mluis 0:91d1a7783bb9 1933 curMulticastParams = curMulticastParams->Next;
mluis 0:91d1a7783bb9 1934 }
mluis 0:91d1a7783bb9 1935 if( LoRaMacEventFlags.Bits.Multicast == 0 )
mluis 0:91d1a7783bb9 1936 {
mluis 0:91d1a7783bb9 1937 // We are not the destination of this frame.
mluis 0:91d1a7783bb9 1938 LoRaMacEventFlags.Bits.Tx = 1;
mluis 0:91d1a7783bb9 1939 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL;
mluis 0:91d1a7783bb9 1940 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 0:91d1a7783bb9 1941 return;
mluis 0:91d1a7783bb9 1942 }
mluis 0:91d1a7783bb9 1943 }
mluis 0:91d1a7783bb9 1944 else
mluis 0:91d1a7783bb9 1945 {
mluis 0:91d1a7783bb9 1946 LoRaMacEventFlags.Bits.Multicast = 0;
mluis 0:91d1a7783bb9 1947 nwkSKey = LoRaMacNwkSKey;
mluis 0:91d1a7783bb9 1948 appSKey = LoRaMacAppSKey;
mluis 0:91d1a7783bb9 1949 downLinkCounter = DownLinkCounter;
mluis 0:91d1a7783bb9 1950 }
mluis 0:91d1a7783bb9 1951
mluis 0:91d1a7783bb9 1952 if( LoRaMacDeviceClass != CLASS_A )
mluis 0:91d1a7783bb9 1953 {
mluis 0:91d1a7783bb9 1954 LoRaMacState |= MAC_RX;
mluis 0:91d1a7783bb9 1955 // Starts the MAC layer status check timer
mluis 0:91d1a7783bb9 1956 TimerStart( &MacStateCheckTimer );
mluis 0:91d1a7783bb9 1957 }
mluis 0:91d1a7783bb9 1958 fCtrl.Value = payload[pktHeaderLen++];
mluis 0:91d1a7783bb9 1959
mluis 1:91e4e6c60d1e 1960 sequenceCounter = ( uint16_t )payload[pktHeaderLen++];
mluis 1:91e4e6c60d1e 1961 sequenceCounter |= ( uint16_t )payload[pktHeaderLen++] << 8;
mluis 0:91d1a7783bb9 1962
mluis 0:91d1a7783bb9 1963 appPayloadStartIndex = 8 + fCtrl.Bits.FOptsLen;
mluis 0:91d1a7783bb9 1964
mluis 0:91d1a7783bb9 1965 micRx |= ( uint32_t )payload[size - LORAMAC_MFR_LEN];
mluis 0:91d1a7783bb9 1966 micRx |= ( (uint32_t)payload[size - LORAMAC_MFR_LEN + 1] << 8 );
mluis 0:91d1a7783bb9 1967 micRx |= ( (uint32_t)payload[size - LORAMAC_MFR_LEN + 2] << 16 );
mluis 0:91d1a7783bb9 1968 micRx |= ( (uint32_t)payload[size - LORAMAC_MFR_LEN + 3] << 24 );
mluis 0:91d1a7783bb9 1969
mluis 1:91e4e6c60d1e 1970 sequenceCounterPrev = ( uint16_t )downLinkCounter;
mluis 1:91e4e6c60d1e 1971 sequenceCounterDiff = ( sequenceCounter - sequenceCounterPrev );
mluis 1:91e4e6c60d1e 1972
mluis 1:91e4e6c60d1e 1973 if( sequenceCounterDiff < ( 1 << 15 ) )
mluis 0:91d1a7783bb9 1974 {
mluis 1:91e4e6c60d1e 1975 downLinkCounter += sequenceCounterDiff;
mluis 0:91d1a7783bb9 1976 LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic );
mluis 0:91d1a7783bb9 1977 if( micRx == mic )
mluis 0:91d1a7783bb9 1978 {
mluis 0:91d1a7783bb9 1979 isMicOk = true;
mluis 0:91d1a7783bb9 1980 }
mluis 0:91d1a7783bb9 1981 }
mluis 0:91d1a7783bb9 1982 else
mluis 0:91d1a7783bb9 1983 {
mluis 1:91e4e6c60d1e 1984 // check for downlink counter roll-over
mluis 1:91e4e6c60d1e 1985 uint32_t downLinkCounterTmp = downLinkCounter + 0x10000 + ( int16_t )sequenceCounterDiff;
mluis 1:91e4e6c60d1e 1986 LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounterTmp, &mic );
mluis 1:91e4e6c60d1e 1987 if( micRx == mic )
mluis 1:91e4e6c60d1e 1988 {
mluis 1:91e4e6c60d1e 1989 isMicOk = true;
mluis 1:91e4e6c60d1e 1990 downLinkCounter = downLinkCounterTmp;
mluis 1:91e4e6c60d1e 1991 }
mluis 0:91d1a7783bb9 1992 }
mluis 0:91d1a7783bb9 1993
mluis 1:91e4e6c60d1e 1994 if( isMicOk == true )
mluis 0:91d1a7783bb9 1995 {
mluis 0:91d1a7783bb9 1996 LoRaMacEventFlags.Bits.Rx = 1;
mluis 0:91d1a7783bb9 1997 LoRaMacEventInfo.RxSnr = snr;
mluis 0:91d1a7783bb9 1998 LoRaMacEventInfo.RxRssi = rssi;
mluis 0:91d1a7783bb9 1999 LoRaMacEventInfo.RxBufferSize = 0;
mluis 0:91d1a7783bb9 2000 AdrAckCounter = 0;
mluis 1:91e4e6c60d1e 2001
mluis 1:91e4e6c60d1e 2002 // Update 32 bits downlink counter
mluis 0:91d1a7783bb9 2003 if( LoRaMacEventFlags.Bits.Multicast == 1 )
mluis 0:91d1a7783bb9 2004 {
mluis 0:91d1a7783bb9 2005 curMulticastParams->DownLinkCounter = downLinkCounter;
mluis 0:91d1a7783bb9 2006 }
mluis 0:91d1a7783bb9 2007 else
mluis 0:91d1a7783bb9 2008 {
mluis 0:91d1a7783bb9 2009 DownLinkCounter = downLinkCounter;
mluis 0:91d1a7783bb9 2010 }
mluis 0:91d1a7783bb9 2011
mluis 0:91d1a7783bb9 2012 if( macHdr.Bits.MType == FRAME_TYPE_DATA_CONFIRMED_DOWN )
mluis 0:91d1a7783bb9 2013 {
mluis 0:91d1a7783bb9 2014 SrvAckRequested = true;
mluis 0:91d1a7783bb9 2015 }
mluis 0:91d1a7783bb9 2016 else
mluis 0:91d1a7783bb9 2017 {
mluis 0:91d1a7783bb9 2018 SrvAckRequested = false;
mluis 0:91d1a7783bb9 2019 }
mluis 0:91d1a7783bb9 2020 // Check if the frame is an acknowledgement
mluis 0:91d1a7783bb9 2021 if( fCtrl.Bits.Ack == 1 )
mluis 0:91d1a7783bb9 2022 {
mluis 0:91d1a7783bb9 2023 LoRaMacEventInfo.TxAckReceived = true;
mluis 0:91d1a7783bb9 2024
mluis 0:91d1a7783bb9 2025 // Stop the AckTimeout timer as no more retransmissions
mluis 0:91d1a7783bb9 2026 // are needed.
mluis 0:91d1a7783bb9 2027 TimerStop( &AckTimeoutTimer );
mluis 0:91d1a7783bb9 2028 }
mluis 0:91d1a7783bb9 2029 else
mluis 0:91d1a7783bb9 2030 {
mluis 0:91d1a7783bb9 2031 LoRaMacEventInfo.TxAckReceived = false;
mluis 0:91d1a7783bb9 2032 if( AckTimeoutRetriesCounter > AckTimeoutRetries )
mluis 0:91d1a7783bb9 2033 {
mluis 0:91d1a7783bb9 2034 // Stop the AckTimeout timer as no more retransmissions
mluis 0:91d1a7783bb9 2035 // are needed.
mluis 0:91d1a7783bb9 2036 TimerStop( &AckTimeoutTimer );
mluis 0:91d1a7783bb9 2037 }
mluis 0:91d1a7783bb9 2038 }
mluis 0:91d1a7783bb9 2039
mluis 0:91d1a7783bb9 2040 if( fCtrl.Bits.FOptsLen > 0 )
mluis 0:91d1a7783bb9 2041 {
mluis 0:91d1a7783bb9 2042 // Decode Options field MAC commands
mluis 0:91d1a7783bb9 2043 LoRaMacProcessMacCommands( payload, 8, appPayloadStartIndex );
mluis 0:91d1a7783bb9 2044 }
mluis 0:91d1a7783bb9 2045
mluis 0:91d1a7783bb9 2046 if( ( ( size - 4 ) - appPayloadStartIndex ) > 0 )
mluis 0:91d1a7783bb9 2047 {
mluis 0:91d1a7783bb9 2048 port = payload[appPayloadStartIndex++];
mluis 0:91d1a7783bb9 2049 frameLen = ( size - 4 ) - appPayloadStartIndex;
mluis 0:91d1a7783bb9 2050
mluis 0:91d1a7783bb9 2051 if( port == 0 )
mluis 0:91d1a7783bb9 2052 {
mluis 0:91d1a7783bb9 2053 LoRaMacPayloadDecrypt( payload + appPayloadStartIndex,
mluis 0:91d1a7783bb9 2054 frameLen,
mluis 0:91d1a7783bb9 2055 nwkSKey,
mluis 0:91d1a7783bb9 2056 address,
mluis 0:91d1a7783bb9 2057 DOWN_LINK,
mluis 0:91d1a7783bb9 2058 downLinkCounter,
mluis 0:91d1a7783bb9 2059 LoRaMacRxPayload );
mluis 0:91d1a7783bb9 2060
mluis 0:91d1a7783bb9 2061 // Decode frame payload MAC commands
mluis 0:91d1a7783bb9 2062 LoRaMacProcessMacCommands( LoRaMacRxPayload, 0, frameLen );
mluis 0:91d1a7783bb9 2063 }
mluis 0:91d1a7783bb9 2064 else
mluis 0:91d1a7783bb9 2065 {
mluis 0:91d1a7783bb9 2066 LoRaMacPayloadDecrypt( payload + appPayloadStartIndex,
mluis 0:91d1a7783bb9 2067 frameLen,
mluis 0:91d1a7783bb9 2068 appSKey,
mluis 0:91d1a7783bb9 2069 address,
mluis 0:91d1a7783bb9 2070 DOWN_LINK,
mluis 0:91d1a7783bb9 2071 downLinkCounter,
mluis 0:91d1a7783bb9 2072 LoRaMacRxPayload );
mluis 0:91d1a7783bb9 2073
mluis 0:91d1a7783bb9 2074 LoRaMacEventFlags.Bits.RxData = 1;
mluis 0:91d1a7783bb9 2075 LoRaMacEventInfo.RxPort = port;
mluis 0:91d1a7783bb9 2076 LoRaMacEventInfo.RxBuffer = LoRaMacRxPayload;
mluis 0:91d1a7783bb9 2077 LoRaMacEventInfo.RxBufferSize = frameLen;
mluis 0:91d1a7783bb9 2078 }
mluis 0:91d1a7783bb9 2079 }
mluis 0:91d1a7783bb9 2080
mluis 0:91d1a7783bb9 2081 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 0:91d1a7783bb9 2082 }
mluis 0:91d1a7783bb9 2083 else
mluis 0:91d1a7783bb9 2084 {
mluis 0:91d1a7783bb9 2085 LoRaMacEventInfo.TxAckReceived = false;
mluis 0:91d1a7783bb9 2086
mluis 0:91d1a7783bb9 2087 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_MIC_FAIL;
mluis 0:91d1a7783bb9 2088 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 1:91e4e6c60d1e 2089 if( NodeAckRequested == true )
mluis 1:91e4e6c60d1e 2090 {
mluis 1:91e4e6c60d1e 2091 OnAckTimeoutTimerEvent( );
mluis 1:91e4e6c60d1e 2092 }
mluis 0:91d1a7783bb9 2093 }
mluis 0:91d1a7783bb9 2094 }
mluis 0:91d1a7783bb9 2095 break;
mluis 0:91d1a7783bb9 2096 case FRAME_TYPE_PROPRIETARY:
mluis 0:91d1a7783bb9 2097 //Intentional falltrough
mluis 0:91d1a7783bb9 2098 default:
mluis 0:91d1a7783bb9 2099 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ERROR;
mluis 0:91d1a7783bb9 2100 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 0:91d1a7783bb9 2101 break;
mluis 0:91d1a7783bb9 2102 }
mluis 1:91e4e6c60d1e 2103 LoRaMacEventFlags.Bits.Tx = 1;
mluis 0:91d1a7783bb9 2104 }
mluis 0:91d1a7783bb9 2105
mluis 0:91d1a7783bb9 2106 /*!
mluis 0:91d1a7783bb9 2107 * Function executed on Radio Tx Timeout event
mluis 0:91d1a7783bb9 2108 */
mluis 0:91d1a7783bb9 2109 static void OnRadioTxTimeout( void )
mluis 0:91d1a7783bb9 2110 {
mluis 0:91d1a7783bb9 2111 if( LoRaMacDeviceClass != CLASS_C )
mluis 0:91d1a7783bb9 2112 {
mluis 0:91d1a7783bb9 2113 Radio.Sleep( );
mluis 0:91d1a7783bb9 2114 }
mluis 0:91d1a7783bb9 2115 else
mluis 0:91d1a7783bb9 2116 {
mluis 0:91d1a7783bb9 2117 OnRxWindow2TimerEvent( );
mluis 0:91d1a7783bb9 2118 }
mluis 0:91d1a7783bb9 2119
mluis 0:91d1a7783bb9 2120 LoRaMacEventFlags.Bits.Tx = 1;
mluis 0:91d1a7783bb9 2121 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT;
mluis 0:91d1a7783bb9 2122 }
mluis 0:91d1a7783bb9 2123
mluis 0:91d1a7783bb9 2124 /*!
mluis 0:91d1a7783bb9 2125 * Function executed on Radio Rx Timeout event
mluis 0:91d1a7783bb9 2126 */
mluis 0:91d1a7783bb9 2127 static void OnRadioRxTimeout( void )
mluis 0:91d1a7783bb9 2128 {
mluis 0:91d1a7783bb9 2129 if( LoRaMacDeviceClass != CLASS_C )
mluis 0:91d1a7783bb9 2130 {
mluis 0:91d1a7783bb9 2131 Radio.Sleep( );
mluis 0:91d1a7783bb9 2132 }
mluis 1:91e4e6c60d1e 2133 else
mluis 1:91e4e6c60d1e 2134 {
mluis 1:91e4e6c60d1e 2135 OnRxWindow2TimerEvent( );
mluis 1:91e4e6c60d1e 2136 }
mluis 0:91d1a7783bb9 2137 if( LoRaMacEventFlags.Bits.RxSlot == 1 )
mluis 0:91d1a7783bb9 2138 {
mluis 0:91d1a7783bb9 2139 LoRaMacEventFlags.Bits.Tx = 1;
mluis 0:91d1a7783bb9 2140 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_RX2_TIMEOUT;
mluis 0:91d1a7783bb9 2141 }
mluis 0:91d1a7783bb9 2142 }
mluis 0:91d1a7783bb9 2143
mluis 0:91d1a7783bb9 2144 /*!
mluis 0:91d1a7783bb9 2145 * Function executed on Radio Rx Error event
mluis 0:91d1a7783bb9 2146 */
mluis 0:91d1a7783bb9 2147 static void OnRadioRxError( void )
mluis 0:91d1a7783bb9 2148 {
mluis 0:91d1a7783bb9 2149 if( LoRaMacDeviceClass != CLASS_C )
mluis 0:91d1a7783bb9 2150 {
mluis 0:91d1a7783bb9 2151 Radio.Sleep( );
mluis 0:91d1a7783bb9 2152 }
mluis 1:91e4e6c60d1e 2153 else
mluis 1:91e4e6c60d1e 2154 {
mluis 1:91e4e6c60d1e 2155 OnRxWindow2TimerEvent( );
mluis 1:91e4e6c60d1e 2156 }
mluis 0:91d1a7783bb9 2157 if( LoRaMacEventFlags.Bits.RxSlot == 1 )
mluis 0:91d1a7783bb9 2158 {
mluis 0:91d1a7783bb9 2159 LoRaMacEventFlags.Bits.Tx = 1;
mluis 0:91d1a7783bb9 2160 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_RX2_ERROR;
mluis 0:91d1a7783bb9 2161 }
mluis 0:91d1a7783bb9 2162 }
mluis 0:91d1a7783bb9 2163
mluis 0:91d1a7783bb9 2164 /*!
mluis 0:91d1a7783bb9 2165 * Initializes and opens the reception window
mluis 0:91d1a7783bb9 2166 *
mluis 0:91d1a7783bb9 2167 * \param [IN] freq window channel frequency
mluis 0:91d1a7783bb9 2168 * \param [IN] datarate window channel datarate
mluis 0:91d1a7783bb9 2169 * \param [IN] bandwidth window channel bandwidth
mluis 0:91d1a7783bb9 2170 * \param [IN] timeout window channel timeout
mluis 0:91d1a7783bb9 2171 */
mluis 0:91d1a7783bb9 2172 void LoRaMacRxWindowSetup( uint32_t freq, int8_t datarate, uint32_t bandwidth, uint16_t timeout, bool rxContinuous )
mluis 0:91d1a7783bb9 2173 {
mluis 1:91e4e6c60d1e 2174 uint8_t downlinkDatarate = Datarates[datarate];
mluis 1:91e4e6c60d1e 2175 RadioModems_t modem;
mluis 1:91e4e6c60d1e 2176
mluis 1:91e4e6c60d1e 2177 if( Radio.GetStatus( ) == RF_IDLE )
mluis 0:91d1a7783bb9 2178 {
mluis 0:91d1a7783bb9 2179 Radio.SetChannel( freq );
mluis 1:91e4e6c60d1e 2180 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 2181 if( datarate == DR_7 )
mluis 0:91d1a7783bb9 2182 {
mluis 1:91e4e6c60d1e 2183 modem = MODEM_FSK;
mluis 1:91e4e6c60d1e 2184 Radio.SetRxConfig( MODEM_FSK, 50e3, downlinkDatarate * 1e3, 0, 83.333e3, 5, 0, false, 0, true, 0, 0, false, rxContinuous );
mluis 0:91d1a7783bb9 2185 }
mluis 0:91d1a7783bb9 2186 else
mluis 0:91d1a7783bb9 2187 {
mluis 1:91e4e6c60d1e 2188 modem = MODEM_LORA;
mluis 1:91e4e6c60d1e 2189 Radio.SetRxConfig( MODEM_LORA, bandwidth, downlinkDatarate, 1, 0, 8, timeout, false, 0, false, 0, 0, true, rxContinuous );
mluis 0:91d1a7783bb9 2190 }
mluis 1:91e4e6c60d1e 2191 #elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 1:91e4e6c60d1e 2192 modem = MODEM_LORA;
mluis 1:91e4e6c60d1e 2193 Radio.SetRxConfig( MODEM_LORA, bandwidth, downlinkDatarate, 1, 0, 8, timeout, false, 0, false, 0, 0, true, rxContinuous );
mluis 1:91e4e6c60d1e 2194 #endif
mluis 1:91e4e6c60d1e 2195 if( RepeaterSupport == true )
mluis 1:91e4e6c60d1e 2196 {
mluis 1:91e4e6c60d1e 2197 Radio.SetMaxPayloadLength( modem, MaxPayloadOfDatarateRepeater[datarate] );
mluis 1:91e4e6c60d1e 2198 }
mluis 1:91e4e6c60d1e 2199 else
mluis 1:91e4e6c60d1e 2200 {
mluis 1:91e4e6c60d1e 2201 Radio.SetMaxPayloadLength( modem, MaxPayloadOfDatarate[datarate] );
mluis 1:91e4e6c60d1e 2202 }
mluis 1:91e4e6c60d1e 2203
mluis 0:91d1a7783bb9 2204 if( rxContinuous == false )
mluis 0:91d1a7783bb9 2205 {
mluis 0:91d1a7783bb9 2206 Radio.Rx( MaxRxWindow );
mluis 0:91d1a7783bb9 2207 }
mluis 0:91d1a7783bb9 2208 else
mluis 0:91d1a7783bb9 2209 {
mluis 0:91d1a7783bb9 2210 Radio.Rx( 0 ); // Continuous mode
mluis 0:91d1a7783bb9 2211 }
mluis 0:91d1a7783bb9 2212 }
mluis 0:91d1a7783bb9 2213 }
mluis 0:91d1a7783bb9 2214
mluis 0:91d1a7783bb9 2215 /*!
mluis 0:91d1a7783bb9 2216 * Function executed on first Rx window timer event
mluis 0:91d1a7783bb9 2217 */
mluis 0:91d1a7783bb9 2218 static void OnRxWindow1TimerEvent( void )
mluis 0:91d1a7783bb9 2219 {
mluis 0:91d1a7783bb9 2220 uint16_t symbTimeout = 5; // DR_2, DR_1, DR_0
mluis 0:91d1a7783bb9 2221 int8_t datarate = 0;
mluis 0:91d1a7783bb9 2222 uint32_t bandwidth = 0; // LoRa 125 kHz
mluis 0:91d1a7783bb9 2223
mluis 0:91d1a7783bb9 2224 TimerStop( &RxWindowTimer1 );
mluis 0:91d1a7783bb9 2225 LoRaMacEventFlags.Bits.RxSlot = 0;
mluis 0:91d1a7783bb9 2226
mluis 1:91e4e6c60d1e 2227 if( LoRaMacDeviceClass == CLASS_C )
mluis 1:91e4e6c60d1e 2228 {
mluis 1:91e4e6c60d1e 2229 Radio.Standby( );
mluis 1:91e4e6c60d1e 2230 }
mluis 0:91d1a7783bb9 2231 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 2232 datarate = ChannelsDatarate - Rx1DrOffset;
mluis 0:91d1a7783bb9 2233 if( datarate < 0 )
mluis 0:91d1a7783bb9 2234 {
mluis 0:91d1a7783bb9 2235 datarate = DR_0;
mluis 0:91d1a7783bb9 2236 }
mluis 0:91d1a7783bb9 2237
mluis 0:91d1a7783bb9 2238 // For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis 0:91d1a7783bb9 2239 if( datarate >= DR_3 )
mluis 0:91d1a7783bb9 2240 { // DR_6, DR_5, DR_4, DR_3
mluis 0:91d1a7783bb9 2241 symbTimeout = 8;
mluis 0:91d1a7783bb9 2242 }
mluis 0:91d1a7783bb9 2243 if( datarate == DR_6 )
mluis 0:91d1a7783bb9 2244 {// LoRa 250 kHz
mluis 0:91d1a7783bb9 2245 bandwidth = 1;
mluis 0:91d1a7783bb9 2246 }
mluis 0:91d1a7783bb9 2247 LoRaMacRxWindowSetup( Channels[Channel].Frequency, datarate, bandwidth, symbTimeout, false );
mluis 0:91d1a7783bb9 2248 #elif ( defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID ) )
mluis 0:91d1a7783bb9 2249 datarate = datarateOffsets[ChannelsDatarate][Rx1DrOffset];
mluis 0:91d1a7783bb9 2250 if( datarate < 0 )
mluis 0:91d1a7783bb9 2251 {
mluis 0:91d1a7783bb9 2252 datarate = DR_0;
mluis 0:91d1a7783bb9 2253 }
mluis 0:91d1a7783bb9 2254 // For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis 0:91d1a7783bb9 2255 if( datarate > DR_0 )
mluis 0:91d1a7783bb9 2256 { // DR_1, DR_2, DR_3, DR_4, DR_8, DR_9, DR_10, DR_11, DR_12, DR_13
mluis 0:91d1a7783bb9 2257 symbTimeout = 8;
mluis 0:91d1a7783bb9 2258 }
mluis 0:91d1a7783bb9 2259 if( datarate >= DR_4 )
mluis 0:91d1a7783bb9 2260 {// LoRa 500 kHz
mluis 0:91d1a7783bb9 2261 bandwidth = 2;
mluis 0:91d1a7783bb9 2262 }
mluis 0:91d1a7783bb9 2263 LoRaMacRxWindowSetup( 923.3e6 + ( Channel % 8 ) * 600e3, datarate, bandwidth, symbTimeout, false );
mluis 0:91d1a7783bb9 2264 #else
mluis 0:91d1a7783bb9 2265 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 2266 #endif
mluis 0:91d1a7783bb9 2267 }
mluis 0:91d1a7783bb9 2268
mluis 0:91d1a7783bb9 2269 /*!
mluis 0:91d1a7783bb9 2270 * Function executed on second Rx window timer event
mluis 0:91d1a7783bb9 2271 */
mluis 0:91d1a7783bb9 2272 static void OnRxWindow2TimerEvent( void )
mluis 0:91d1a7783bb9 2273 {
mluis 0:91d1a7783bb9 2274 uint16_t symbTimeout = 5; // DR_2, DR_1, DR_0
mluis 0:91d1a7783bb9 2275 uint32_t bandwidth = 0; // LoRa 125 kHz
mluis 0:91d1a7783bb9 2276
mluis 0:91d1a7783bb9 2277 TimerStop( &RxWindowTimer2 );
mluis 0:91d1a7783bb9 2278 LoRaMacEventFlags.Bits.RxSlot = 1;
mluis 0:91d1a7783bb9 2279
mluis 0:91d1a7783bb9 2280 if( NodeAckRequested == true )
mluis 0:91d1a7783bb9 2281 {
mluis 0:91d1a7783bb9 2282 TimerSetValue( &AckTimeoutTimer, ACK_TIMEOUT + randr( -ACK_TIMEOUT_RND, ACK_TIMEOUT_RND ) );
mluis 0:91d1a7783bb9 2283 TimerStart( &AckTimeoutTimer );
mluis 0:91d1a7783bb9 2284 }
mluis 0:91d1a7783bb9 2285
mluis 0:91d1a7783bb9 2286 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 2287 // For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis 0:91d1a7783bb9 2288 if( Rx2Channel.Datarate >= DR_3 )
mluis 0:91d1a7783bb9 2289 { // DR_6, DR_5, DR_4, DR_3
mluis 0:91d1a7783bb9 2290 symbTimeout = 8;
mluis 0:91d1a7783bb9 2291 }
mluis 0:91d1a7783bb9 2292 if( Rx2Channel.Datarate == DR_6 )
mluis 0:91d1a7783bb9 2293 {// LoRa 250 kHz
mluis 0:91d1a7783bb9 2294 bandwidth = 1;
mluis 0:91d1a7783bb9 2295 }
mluis 0:91d1a7783bb9 2296 #elif ( defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID ) )
mluis 0:91d1a7783bb9 2297 // For higher datarates, we increase the number of symbols generating a Rx Timeout
mluis 0:91d1a7783bb9 2298 if( Rx2Channel.Datarate > DR_0 )
mluis 0:91d1a7783bb9 2299 { // DR_1, DR_2, DR_3, DR_4, DR_8, DR_9, DR_10, DR_11, DR_12, DR_13
mluis 0:91d1a7783bb9 2300 symbTimeout = 8;
mluis 0:91d1a7783bb9 2301 }
mluis 0:91d1a7783bb9 2302 if( Rx2Channel.Datarate >= DR_4 )
mluis 0:91d1a7783bb9 2303 {// LoRa 500 kHz
mluis 0:91d1a7783bb9 2304 bandwidth = 2;
mluis 0:91d1a7783bb9 2305 }
mluis 0:91d1a7783bb9 2306 #else
mluis 0:91d1a7783bb9 2307 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 2308 #endif
mluis 0:91d1a7783bb9 2309 if( LoRaMacDeviceClass != CLASS_C )
mluis 0:91d1a7783bb9 2310 {
mluis 0:91d1a7783bb9 2311 LoRaMacRxWindowSetup( Rx2Channel.Frequency, Rx2Channel.Datarate, bandwidth, symbTimeout, false );
mluis 0:91d1a7783bb9 2312 }
mluis 0:91d1a7783bb9 2313 else
mluis 0:91d1a7783bb9 2314 {
mluis 0:91d1a7783bb9 2315 LoRaMacRxWindowSetup( Rx2Channel.Frequency, Rx2Channel.Datarate, bandwidth, symbTimeout, true );
mluis 0:91d1a7783bb9 2316 }
mluis 0:91d1a7783bb9 2317 }
mluis 0:91d1a7783bb9 2318
mluis 0:91d1a7783bb9 2319 /*!
mluis 0:91d1a7783bb9 2320 * Function executed on MacStateCheck timer event
mluis 0:91d1a7783bb9 2321 */
mluis 0:91d1a7783bb9 2322 static void OnMacStateCheckTimerEvent( void )
mluis 0:91d1a7783bb9 2323 {
mluis 0:91d1a7783bb9 2324 TimerStop( &MacStateCheckTimer );
mluis 0:91d1a7783bb9 2325
mluis 0:91d1a7783bb9 2326 if( LoRaMacEventFlags.Bits.Tx == 1 )
mluis 0:91d1a7783bb9 2327 {
mluis 0:91d1a7783bb9 2328 if( NodeAckRequested == false )
mluis 0:91d1a7783bb9 2329 {
mluis 0:91d1a7783bb9 2330 if( LoRaMacEventFlags.Bits.JoinAccept == true )
mluis 0:91d1a7783bb9 2331 {
mluis 0:91d1a7783bb9 2332 // Join messages aren't repeated automatically
mluis 0:91d1a7783bb9 2333 ChannelsNbRepCounter = ChannelsNbRep;
mluis 0:91d1a7783bb9 2334 UpLinkCounter = 0;
mluis 0:91d1a7783bb9 2335 }
mluis 0:91d1a7783bb9 2336 if( ChannelsNbRepCounter >= ChannelsNbRep )
mluis 0:91d1a7783bb9 2337 {
mluis 0:91d1a7783bb9 2338 ChannelsNbRepCounter = 0;
mluis 0:91d1a7783bb9 2339
mluis 0:91d1a7783bb9 2340 LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK;
mluis 0:91d1a7783bb9 2341
mluis 0:91d1a7783bb9 2342 AdrAckCounter++;
mluis 0:91d1a7783bb9 2343 if( IsUpLinkCounterFixed == false )
mluis 0:91d1a7783bb9 2344 {
mluis 0:91d1a7783bb9 2345 UpLinkCounter++;
mluis 0:91d1a7783bb9 2346 }
mluis 0:91d1a7783bb9 2347
mluis 0:91d1a7783bb9 2348 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 0:91d1a7783bb9 2349 }
mluis 0:91d1a7783bb9 2350 else
mluis 0:91d1a7783bb9 2351 {
mluis 0:91d1a7783bb9 2352 LoRaMacEventFlags.Bits.Tx = 0;
mluis 0:91d1a7783bb9 2353 // Sends the same frame again
mluis 0:91d1a7783bb9 2354 if( LoRaMacSetNextChannel( ) == 0 )
mluis 0:91d1a7783bb9 2355 {
mluis 0:91d1a7783bb9 2356 LoRaMacSendFrameOnChannel( Channels[Channel] );
mluis 0:91d1a7783bb9 2357 }
mluis 0:91d1a7783bb9 2358 }
mluis 0:91d1a7783bb9 2359 }
mluis 0:91d1a7783bb9 2360
mluis 0:91d1a7783bb9 2361 if( LoRaMacEventFlags.Bits.Rx == 1 )
mluis 0:91d1a7783bb9 2362 {
mluis 0:91d1a7783bb9 2363 if( ( LoRaMacEventInfo.TxAckReceived == true ) || ( AckTimeoutRetriesCounter > AckTimeoutRetries ) )
mluis 0:91d1a7783bb9 2364 {
mluis 0:91d1a7783bb9 2365 AckTimeoutRetry = false;
mluis 0:91d1a7783bb9 2366 if( IsUpLinkCounterFixed == false )
mluis 0:91d1a7783bb9 2367 {
mluis 0:91d1a7783bb9 2368 UpLinkCounter++;
mluis 0:91d1a7783bb9 2369 }
mluis 0:91d1a7783bb9 2370 LoRaMacEventInfo.TxNbRetries = AckTimeoutRetriesCounter;
mluis 0:91d1a7783bb9 2371
mluis 0:91d1a7783bb9 2372 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 0:91d1a7783bb9 2373 }
mluis 0:91d1a7783bb9 2374 }
mluis 0:91d1a7783bb9 2375
mluis 0:91d1a7783bb9 2376 if( ( AckTimeoutRetry == true ) && ( ( LoRaMacState & MAC_CHANNEL_CHECK ) == 0 ) )
mluis 0:91d1a7783bb9 2377 {
mluis 0:91d1a7783bb9 2378 AckTimeoutRetry = false;
mluis 0:91d1a7783bb9 2379 if( ( AckTimeoutRetriesCounter < AckTimeoutRetries ) && ( AckTimeoutRetriesCounter <= MAX_ACK_RETRIES ) )
mluis 0:91d1a7783bb9 2380 {
mluis 0:91d1a7783bb9 2381 AckTimeoutRetriesCounter++;
mluis 0:91d1a7783bb9 2382
mluis 0:91d1a7783bb9 2383 if( ( AckTimeoutRetriesCounter % 2 ) == 1 )
mluis 0:91d1a7783bb9 2384 {
mluis 0:91d1a7783bb9 2385 ChannelsDatarate = MAX( ChannelsDatarate - 1, LORAMAC_MIN_DATARATE );
mluis 0:91d1a7783bb9 2386 }
mluis 0:91d1a7783bb9 2387 LoRaMacEventFlags.Bits.Tx = 0;
mluis 0:91d1a7783bb9 2388 // Sends the same frame again
mluis 0:91d1a7783bb9 2389 if( LoRaMacSetNextChannel( ) == 0 )
mluis 0:91d1a7783bb9 2390 {
mluis 0:91d1a7783bb9 2391 LoRaMacSendFrameOnChannel( Channels[Channel] );
mluis 0:91d1a7783bb9 2392 }
mluis 0:91d1a7783bb9 2393 }
mluis 0:91d1a7783bb9 2394 else
mluis 0:91d1a7783bb9 2395 {
mluis 0:91d1a7783bb9 2396 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
mluis 0:91d1a7783bb9 2397 // Re-enable default channels LC1, LC2, LC3
mluis 0:91d1a7783bb9 2398 ChannelsMask[0] = ChannelsMask[0] | ( LC( 1 ) + LC( 2 ) + LC( 3 ) );
mluis 0:91d1a7783bb9 2399 #elif defined( USE_BAND_915 )
mluis 0:91d1a7783bb9 2400 // Re-enable default channels
mluis 0:91d1a7783bb9 2401 ChannelsMask[0] = 0xFFFF;
mluis 0:91d1a7783bb9 2402 ChannelsMask[1] = 0xFFFF;
mluis 0:91d1a7783bb9 2403 ChannelsMask[2] = 0xFFFF;
mluis 0:91d1a7783bb9 2404 ChannelsMask[3] = 0xFFFF;
mluis 0:91d1a7783bb9 2405 ChannelsMask[4] = 0x00FF;
mluis 0:91d1a7783bb9 2406 ChannelsMask[5] = 0x0000;
mluis 0:91d1a7783bb9 2407 #elif defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 2408 // Re-enable default channels
mluis 0:91d1a7783bb9 2409 ChannelsMask[0] = 0x00FF;
mluis 0:91d1a7783bb9 2410 ChannelsMask[1] = 0x0000;
mluis 0:91d1a7783bb9 2411 ChannelsMask[2] = 0x0000;
mluis 0:91d1a7783bb9 2412 ChannelsMask[3] = 0x0000;
mluis 0:91d1a7783bb9 2413 ChannelsMask[4] = 0x0001;
mluis 0:91d1a7783bb9 2414 ChannelsMask[5] = 0x0000;
mluis 0:91d1a7783bb9 2415 #else
mluis 0:91d1a7783bb9 2416 #error "Please define a frequency band in the compiler options."
mluis 0:91d1a7783bb9 2417 #endif
mluis 0:91d1a7783bb9 2418 LoRaMacState &= ~MAC_TX_RUNNING;
mluis 0:91d1a7783bb9 2419
mluis 0:91d1a7783bb9 2420 LoRaMacEventInfo.TxAckReceived = false;
mluis 0:91d1a7783bb9 2421 LoRaMacEventInfo.TxNbRetries = AckTimeoutRetriesCounter;
mluis 0:91d1a7783bb9 2422 if( IsUpLinkCounterFixed == false )
mluis 0:91d1a7783bb9 2423 {
mluis 0:91d1a7783bb9 2424 UpLinkCounter++;
mluis 0:91d1a7783bb9 2425 }
mluis 0:91d1a7783bb9 2426 }
mluis 0:91d1a7783bb9 2427 }
mluis 0:91d1a7783bb9 2428 }
mluis 0:91d1a7783bb9 2429 // Handle reception for Class B and Class C
mluis 0:91d1a7783bb9 2430 if( ( LoRaMacState & MAC_RX ) == MAC_RX )
mluis 0:91d1a7783bb9 2431 {
mluis 0:91d1a7783bb9 2432 LoRaMacState &= ~MAC_RX;
mluis 0:91d1a7783bb9 2433 }
mluis 0:91d1a7783bb9 2434 if( LoRaMacState == MAC_IDLE )
mluis 0:91d1a7783bb9 2435 {
mluis 0:91d1a7783bb9 2436 LoRaMacNotify( &LoRaMacEventFlags, &LoRaMacEventInfo );
mluis 1:91e4e6c60d1e 2437 LoRaMacEventFlags.Bits.Tx = 0;
mluis 0:91d1a7783bb9 2438 }
mluis 0:91d1a7783bb9 2439 else
mluis 0:91d1a7783bb9 2440 {
mluis 0:91d1a7783bb9 2441 // Operation not finished restart timer
mluis 0:91d1a7783bb9 2442 TimerStart( &MacStateCheckTimer );
mluis 0:91d1a7783bb9 2443 }
mluis 0:91d1a7783bb9 2444 }
mluis 0:91d1a7783bb9 2445
mluis 0:91d1a7783bb9 2446 static void OnAckTimeoutTimerEvent( void )
mluis 0:91d1a7783bb9 2447 {
mluis 0:91d1a7783bb9 2448 TimerStop( &AckTimeoutTimer );
mluis 0:91d1a7783bb9 2449
mluis 0:91d1a7783bb9 2450 AckTimeoutRetry = true;
mluis 0:91d1a7783bb9 2451 LoRaMacState &= ~MAC_ACK_REQ;
mluis 0:91d1a7783bb9 2452 }
mluis 0:91d1a7783bb9 2453
mluis 0:91d1a7783bb9 2454 /*!
mluis 0:91d1a7783bb9 2455 * ============================================================================
mluis 0:91d1a7783bb9 2456 * = LoRaMac utility functions =
mluis 0:91d1a7783bb9 2457 * ============================================================================
mluis 0:91d1a7783bb9 2458 */
mluis 0:91d1a7783bb9 2459 static bool ValidatePayloadLength( uint8_t lenN, int8_t datarate )
mluis 0:91d1a7783bb9 2460 {
mluis 0:91d1a7783bb9 2461 bool payloadSizeOk = false;
mluis 0:91d1a7783bb9 2462 uint8_t maxN = 0;
mluis 0:91d1a7783bb9 2463
mluis 0:91d1a7783bb9 2464 // Get the maximum payload length
mluis 0:91d1a7783bb9 2465 if( RepeaterSupport == true )
mluis 0:91d1a7783bb9 2466 {
mluis 0:91d1a7783bb9 2467 maxN = MaxPayloadOfDatarateRepeater[datarate];
mluis 0:91d1a7783bb9 2468 }
mluis 0:91d1a7783bb9 2469 else
mluis 0:91d1a7783bb9 2470 {
mluis 0:91d1a7783bb9 2471 maxN = MaxPayloadOfDatarate[datarate];
mluis 0:91d1a7783bb9 2472 }
mluis 0:91d1a7783bb9 2473
mluis 0:91d1a7783bb9 2474 // Validation of the application payload size
mluis 0:91d1a7783bb9 2475 if( lenN <= maxN )
mluis 0:91d1a7783bb9 2476 {
mluis 0:91d1a7783bb9 2477 payloadSizeOk = true;
mluis 0:91d1a7783bb9 2478 }
mluis 0:91d1a7783bb9 2479
mluis 0:91d1a7783bb9 2480 return payloadSizeOk;
mluis 0:91d1a7783bb9 2481 }
mluis 0:91d1a7783bb9 2482
mluis 0:91d1a7783bb9 2483 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 2484 static uint8_t CountNbEnabled125kHzChannels( uint16_t *channelsMask )
mluis 0:91d1a7783bb9 2485 {
mluis 0:91d1a7783bb9 2486 uint8_t nb125kHzChannels = 0;
mluis 0:91d1a7783bb9 2487
mluis 0:91d1a7783bb9 2488 for( uint8_t i = 0, k = 0; i < LORA_MAX_NB_CHANNELS - 8; i += 16, k++ )
mluis 0:91d1a7783bb9 2489 {
mluis 0:91d1a7783bb9 2490 for( uint8_t j = 0; j < 16; j++ )
mluis 0:91d1a7783bb9 2491 {// Verify if the channel is active
mluis 0:91d1a7783bb9 2492 if( ( channelsMask[k] & ( 1 << j ) ) == ( 1 << j ) )
mluis 0:91d1a7783bb9 2493 {
mluis 0:91d1a7783bb9 2494 nb125kHzChannels++;
mluis 0:91d1a7783bb9 2495 }
mluis 0:91d1a7783bb9 2496 }
mluis 0:91d1a7783bb9 2497 }
mluis 0:91d1a7783bb9 2498
mluis 0:91d1a7783bb9 2499 return nb125kHzChannels;
mluis 0:91d1a7783bb9 2500 }
mluis 0:91d1a7783bb9 2501 #endif
mluis 0:91d1a7783bb9 2502
mluis 0:91d1a7783bb9 2503 static int8_t LimitTxPower( int8_t txPower )
mluis 0:91d1a7783bb9 2504 {
mluis 0:91d1a7783bb9 2505 int8_t resultTxPower = txPower;
mluis 0:91d1a7783bb9 2506 #if defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
mluis 0:91d1a7783bb9 2507 if( ( ChannelsDatarate == DR_4 ) ||
mluis 0:91d1a7783bb9 2508 ( ( ChannelsDatarate >= DR_8 ) && ( ChannelsDatarate <= DR_13 ) ) )
mluis 0:91d1a7783bb9 2509 {// Limit tx power to max 26dBm
mluis 0:91d1a7783bb9 2510 resultTxPower = MAX( txPower, TX_POWER_26_DBM );
mluis 0:91d1a7783bb9 2511 }
mluis 0:91d1a7783bb9 2512 else
mluis 0:91d1a7783bb9 2513 {
mluis 0:91d1a7783bb9 2514 if( CountNbEnabled125kHzChannels( ChannelsMask ) < 50 )
mluis 0:91d1a7783bb9 2515 {// Limit tx power to max 21dBm
mluis 0:91d1a7783bb9 2516 resultTxPower = MAX( txPower, TX_POWER_20_DBM );
mluis 0:91d1a7783bb9 2517 }
mluis 0:91d1a7783bb9 2518 }
mluis 0:91d1a7783bb9 2519 #endif
mluis 0:91d1a7783bb9 2520 return resultTxPower;
mluis 0:91d1a7783bb9 2521 }
mluis 0:91d1a7783bb9 2522
mluis 0:91d1a7783bb9 2523 void LoRaMacChannelRemove( uint8_t id )
mluis 0:91d1a7783bb9 2524 {
mluis 0:91d1a7783bb9 2525 if( ( LoRaMacState & MAC_TX_RUNNING ) == MAC_TX_RUNNING )
mluis 0:91d1a7783bb9 2526 {
mluis 0:91d1a7783bb9 2527 return;
mluis 0:91d1a7783bb9 2528 }
mluis 0:91d1a7783bb9 2529 #if ( defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID ) )
mluis 0:91d1a7783bb9 2530 if( id < 64 )
mluis 0:91d1a7783bb9 2531 {
mluis 0:91d1a7783bb9 2532 if( CountNbEnabled125kHzChannels( ChannelsMask ) <= 6 )
mluis 0:91d1a7783bb9 2533 {
mluis 0:91d1a7783bb9 2534 return;
mluis 0:91d1a7783bb9 2535 }
mluis 0:91d1a7783bb9 2536 }
mluis 0:91d1a7783bb9 2537 #else
mluis 0:91d1a7783bb9 2538 if( id < 3 )
mluis 0:91d1a7783bb9 2539 {
mluis 0:91d1a7783bb9 2540 return;
mluis 0:91d1a7783bb9 2541 }
mluis 0:91d1a7783bb9 2542 #endif
mluis 0:91d1a7783bb9 2543
mluis 0:91d1a7783bb9 2544 uint8_t index = 0;
mluis 0:91d1a7783bb9 2545 index = id / 16;
mluis 0:91d1a7783bb9 2546
mluis 0:91d1a7783bb9 2547 if( ( index > 4 ) || ( id >= LORA_MAX_NB_CHANNELS ) )
mluis 0:91d1a7783bb9 2548 {
mluis 0:91d1a7783bb9 2549 return;
mluis 0:91d1a7783bb9 2550 }
mluis 0:91d1a7783bb9 2551
mluis 0:91d1a7783bb9 2552 // Deactivate channel
mluis 0:91d1a7783bb9 2553 ChannelsMask[index] &= ~( 1 << ( id % 16 ) );
mluis 0:91d1a7783bb9 2554
mluis 0:91d1a7783bb9 2555 return;
mluis 0:91d1a7783bb9 2556 }
mluis 0:91d1a7783bb9 2557
mluis 0:91d1a7783bb9 2558 /*!
mluis