this is avaiable project
Fork of LoRaMacLib by
mac/LoRaMac.cpp@9:b3ddbad8c5e3, 2015-11-30 (annotated)
- Committer:
- pzheng
- Date:
- Mon Nov 30 10:00:41 2015 +0000
- Revision:
- 9:b3ddbad8c5e3
- Parent:
- 8:19a3b4a82c69
- Child:
- 11:29686c1ac910
This is a available project using 433MHz frequency made by pzheng in semtech 20151130
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
GregCr | 0:9be122c18509 | 1 | /* |
GregCr | 0:9be122c18509 | 2 | / _____) _ | | |
GregCr | 0:9be122c18509 | 3 | ( (____ _____ ____ _| |_ _____ ____| |__ |
GregCr | 0:9be122c18509 | 4 | \____ \| ___ | (_ _) ___ |/ ___) _ \ |
GregCr | 0:9be122c18509 | 5 | _____) ) ____| | | || |_| ____( (___| | | | |
GregCr | 0:9be122c18509 | 6 | (______/|_____)_|_|_| \__)_____)\____)_| |_| |
GregCr | 0:9be122c18509 | 7 | (C)2013 Semtech |
GregCr | 0:9be122c18509 | 8 | |
GregCr | 0:9be122c18509 | 9 | Description: LoRa MAC layer implementation |
GregCr | 0:9be122c18509 | 10 | |
GregCr | 0:9be122c18509 | 11 | License: Revised BSD License, see LICENSE.TXT file include in the project |
GregCr | 0:9be122c18509 | 12 | |
GregCr | 0:9be122c18509 | 13 | Maintainer: Miguel Luis and Gregory Cristian |
GregCr | 0:9be122c18509 | 14 | */ |
GregCr | 0:9be122c18509 | 15 | #include "mbed.h" |
GregCr | 0:9be122c18509 | 16 | #include "board.h" |
GregCr | 0:9be122c18509 | 17 | #include "utilities.h" |
GregCr | 0:9be122c18509 | 18 | #include "sx1276-hal.h" |
GregCr | 0:9be122c18509 | 19 | #include "LoRaMac.h" |
GregCr | 0:9be122c18509 | 20 | #include "LoRaMacCrypto.h" |
GregCr | 0:9be122c18509 | 21 | |
GregCr | 0:9be122c18509 | 22 | /*! |
GregCr | 0:9be122c18509 | 23 | * Maximum PHY layer payload size |
GregCr | 0:9be122c18509 | 24 | */ |
GregCr | 0:9be122c18509 | 25 | #define LORAMAC_PHY_MAXPAYLOAD 64 |
GregCr | 0:9be122c18509 | 26 | |
GregCr | 0:9be122c18509 | 27 | /*! |
GregCr | 0:9be122c18509 | 28 | * Device IEEE EUI |
GregCr | 0:9be122c18509 | 29 | */ |
GregCr | 0:9be122c18509 | 30 | static uint8_t *LoRaMacDevEui; |
GregCr | 0:9be122c18509 | 31 | |
GregCr | 0:9be122c18509 | 32 | /*! |
GregCr | 0:9be122c18509 | 33 | * Application IEEE EUI |
GregCr | 0:9be122c18509 | 34 | */ |
GregCr | 0:9be122c18509 | 35 | static uint8_t *LoRaMacAppEui; |
GregCr | 0:9be122c18509 | 36 | |
GregCr | 0:9be122c18509 | 37 | /*! |
GregCr | 0:9be122c18509 | 38 | * AES encryption/decryption cipher application key |
GregCr | 0:9be122c18509 | 39 | */ |
GregCr | 0:9be122c18509 | 40 | static uint8_t *LoRaMacAppKey; |
GregCr | 0:9be122c18509 | 41 | |
GregCr | 0:9be122c18509 | 42 | /*! |
GregCr | 0:9be122c18509 | 43 | * AES encryption/decryption cipher network session key |
GregCr | 0:9be122c18509 | 44 | */ |
GregCr | 0:9be122c18509 | 45 | static uint8_t LoRaMacNwkSKey[] = |
GregCr | 0:9be122c18509 | 46 | { |
GregCr | 0:9be122c18509 | 47 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
GregCr | 0:9be122c18509 | 48 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
GregCr | 0:9be122c18509 | 49 | }; |
GregCr | 0:9be122c18509 | 50 | |
GregCr | 0:9be122c18509 | 51 | /*! |
GregCr | 0:9be122c18509 | 52 | * AES encryption/decryption cipher application session key |
GregCr | 0:9be122c18509 | 53 | */ |
GregCr | 0:9be122c18509 | 54 | static uint8_t LoRaMacAppSKey[] = |
GregCr | 0:9be122c18509 | 55 | { |
GregCr | 0:9be122c18509 | 56 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
GregCr | 0:9be122c18509 | 57 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
GregCr | 0:9be122c18509 | 58 | }; |
GregCr | 0:9be122c18509 | 59 | |
GregCr | 0:9be122c18509 | 60 | /*! |
GregCr | 0:9be122c18509 | 61 | * Device nonce is a random value extracted by issuing a sequence of RSSI |
GregCr | 0:9be122c18509 | 62 | * measurements |
GregCr | 0:9be122c18509 | 63 | */ |
GregCr | 0:9be122c18509 | 64 | static uint16_t LoRaMacDevNonce; |
GregCr | 0:9be122c18509 | 65 | |
GregCr | 0:9be122c18509 | 66 | /*! |
GregCr | 0:9be122c18509 | 67 | * Network ID ( 3 bytes ) |
GregCr | 0:9be122c18509 | 68 | */ |
GregCr | 0:9be122c18509 | 69 | static uint32_t LoRaMacNetID; |
GregCr | 0:9be122c18509 | 70 | |
GregCr | 0:9be122c18509 | 71 | /*! |
GregCr | 0:9be122c18509 | 72 | * Mote Address |
GregCr | 0:9be122c18509 | 73 | */ |
GregCr | 0:9be122c18509 | 74 | static uint32_t LoRaMacDevAddr; |
GregCr | 0:9be122c18509 | 75 | |
GregCr | 0:9be122c18509 | 76 | /*! |
GregCr | 0:9be122c18509 | 77 | * Mutlicast channels linked list |
GregCr | 0:9be122c18509 | 78 | */ |
GregCr | 0:9be122c18509 | 79 | static MulticastParams_t *MulticastChannels = NULL; |
GregCr | 0:9be122c18509 | 80 | |
GregCr | 0:9be122c18509 | 81 | /*! |
GregCr | 0:9be122c18509 | 82 | * Actual device class |
GregCr | 0:9be122c18509 | 83 | */ |
GregCr | 0:9be122c18509 | 84 | static DeviceClass_t LoRaMacDeviceClass; |
GregCr | 0:9be122c18509 | 85 | |
GregCr | 0:9be122c18509 | 86 | /*! |
GregCr | 0:9be122c18509 | 87 | * Indicates if the node is connected to a private or public network |
GregCr | 0:9be122c18509 | 88 | */ |
GregCr | 0:9be122c18509 | 89 | static bool PublicNetwork; |
GregCr | 0:9be122c18509 | 90 | |
GregCr | 0:9be122c18509 | 91 | /*! |
GregCr | 0:9be122c18509 | 92 | * Buffer containing the data to be sent or received. |
GregCr | 0:9be122c18509 | 93 | */ |
GregCr | 0:9be122c18509 | 94 | static uint8_t LoRaMacBuffer[LORAMAC_PHY_MAXPAYLOAD]; |
GregCr | 0:9be122c18509 | 95 | |
GregCr | 0:9be122c18509 | 96 | /*! |
GregCr | 0:9be122c18509 | 97 | * Length of packet in LoRaMacBuffer |
GregCr | 0:9be122c18509 | 98 | */ |
GregCr | 0:9be122c18509 | 99 | static uint16_t LoRaMacBufferPktLen = 0; |
GregCr | 0:9be122c18509 | 100 | |
GregCr | 0:9be122c18509 | 101 | /*! |
GregCr | 0:9be122c18509 | 102 | * Buffer containing the upper layer data. |
GregCr | 0:9be122c18509 | 103 | */ |
GregCr | 0:9be122c18509 | 104 | static uint8_t LoRaMacPayload[LORAMAC_PHY_MAXPAYLOAD]; |
GregCr | 0:9be122c18509 | 105 | static uint8_t LoRaMacRxPayload[LORAMAC_PHY_MAXPAYLOAD]; |
GregCr | 0:9be122c18509 | 106 | |
GregCr | 0:9be122c18509 | 107 | /*! |
GregCr | 0:9be122c18509 | 108 | * LoRaMAC frame counter. Each time a packet is sent the counter is incremented. |
GregCr | 0:9be122c18509 | 109 | * Only the 16 LSB bits are sent |
GregCr | 0:9be122c18509 | 110 | */ |
GregCr | 0:9be122c18509 | 111 | static uint32_t UpLinkCounter = 1; |
GregCr | 0:9be122c18509 | 112 | |
GregCr | 0:9be122c18509 | 113 | /*! |
GregCr | 0:9be122c18509 | 114 | * LoRaMAC frame counter. Each time a packet is received the counter is incremented. |
GregCr | 0:9be122c18509 | 115 | * Only the 16 LSB bits are received |
GregCr | 0:9be122c18509 | 116 | */ |
GregCr | 0:9be122c18509 | 117 | static uint32_t DownLinkCounter = 0; |
GregCr | 0:9be122c18509 | 118 | |
GregCr | 0:9be122c18509 | 119 | /*! |
GregCr | 0:9be122c18509 | 120 | * IsPacketCounterFixed enables the MIC field tests by fixing the |
GregCr | 0:9be122c18509 | 121 | * UpLinkCounter value |
GregCr | 0:9be122c18509 | 122 | */ |
GregCr | 0:9be122c18509 | 123 | static bool IsUpLinkCounterFixed = false; |
GregCr | 0:9be122c18509 | 124 | |
GregCr | 0:9be122c18509 | 125 | /*! |
pzheng | 9:b3ddbad8c5e3 | 126 | * Used for replying the uplink |
pzheng | 9:b3ddbad8c5e3 | 127 | * Added by pzheng 20151111 |
pzheng | 9:b3ddbad8c5e3 | 128 | */ |
pzheng | 9:b3ddbad8c5e3 | 129 | static bool UpLinkTestOn = false; |
pzheng | 9:b3ddbad8c5e3 | 130 | |
pzheng | 9:b3ddbad8c5e3 | 131 | /*! |
GregCr | 0:9be122c18509 | 132 | * Used for test purposes. Disables the opening of the reception windows. |
GregCr | 0:9be122c18509 | 133 | */ |
GregCr | 0:9be122c18509 | 134 | static bool IsRxWindowsEnabled = true; |
GregCr | 0:9be122c18509 | 135 | |
GregCr | 0:9be122c18509 | 136 | /*! |
GregCr | 0:9be122c18509 | 137 | * Indicates if the MAC layer has already joined a network. |
GregCr | 0:9be122c18509 | 138 | */ |
GregCr | 0:9be122c18509 | 139 | static bool IsLoRaMacNetworkJoined = false; |
GregCr | 0:9be122c18509 | 140 | |
GregCr | 0:9be122c18509 | 141 | /*! |
GregCr | 0:9be122c18509 | 142 | * LoRaMac ADR control status |
GregCr | 0:9be122c18509 | 143 | */ |
GregCr | 0:9be122c18509 | 144 | static bool AdrCtrlOn = false; |
GregCr | 0:9be122c18509 | 145 | |
GregCr | 0:9be122c18509 | 146 | /*! |
GregCr | 0:9be122c18509 | 147 | * Counts the number of missed ADR acknowledgements |
GregCr | 0:9be122c18509 | 148 | */ |
GregCr | 0:9be122c18509 | 149 | static uint32_t AdrAckCounter = 0; |
GregCr | 0:9be122c18509 | 150 | |
GregCr | 0:9be122c18509 | 151 | /*! |
GregCr | 0:9be122c18509 | 152 | * If the node has sent a FRAME_TYPE_DATA_CONFIRMED_UP this variable indicates |
GregCr | 0:9be122c18509 | 153 | * if the nodes needs to manage the server acknowledgement. |
GregCr | 0:9be122c18509 | 154 | */ |
GregCr | 0:9be122c18509 | 155 | static bool NodeAckRequested = false; |
GregCr | 0:9be122c18509 | 156 | |
GregCr | 0:9be122c18509 | 157 | /*! |
GregCr | 0:9be122c18509 | 158 | * If the server has sent a FRAME_TYPE_DATA_CONFIRMED_DOWN this variable indicates |
GregCr | 0:9be122c18509 | 159 | * if the ACK bit must be set for the next transmission |
GregCr | 0:9be122c18509 | 160 | */ |
GregCr | 0:9be122c18509 | 161 | static bool SrvAckRequested = false; |
GregCr | 0:9be122c18509 | 162 | |
GregCr | 0:9be122c18509 | 163 | /*! |
GregCr | 0:9be122c18509 | 164 | * Indicates if the MAC layer wants to send MAC commands |
GregCr | 0:9be122c18509 | 165 | */ |
GregCr | 0:9be122c18509 | 166 | static bool MacCommandsInNextTx = false; |
GregCr | 0:9be122c18509 | 167 | |
GregCr | 0:9be122c18509 | 168 | /*! |
GregCr | 0:9be122c18509 | 169 | * Contains the current MacCommandsBuffer index |
GregCr | 0:9be122c18509 | 170 | */ |
GregCr | 0:9be122c18509 | 171 | static uint8_t MacCommandsBufferIndex = 0; |
GregCr | 0:9be122c18509 | 172 | |
GregCr | 0:9be122c18509 | 173 | /*! |
GregCr | 0:9be122c18509 | 174 | * Buffer containing the MAC layer commands |
GregCr | 0:9be122c18509 | 175 | */ |
GregCr | 0:9be122c18509 | 176 | static uint8_t MacCommandsBuffer[15]; |
GregCr | 0:9be122c18509 | 177 | |
GregCr | 0:9be122c18509 | 178 | /*! |
GregCr | 0:9be122c18509 | 179 | * Data rates table definition |
GregCr | 0:9be122c18509 | 180 | */ |
GregCr | 0:9be122c18509 | 181 | const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 }; |
GregCr | 0:9be122c18509 | 182 | |
GregCr | 0:9be122c18509 | 183 | /*! |
GregCr | 0:9be122c18509 | 184 | * Tx output powers table definition |
GregCr | 0:9be122c18509 | 185 | */ |
GregCr | 0:9be122c18509 | 186 | const int8_t TxPowers[] = { 20, 14, 11, 8, 5, 2 }; |
GregCr | 0:9be122c18509 | 187 | |
GregCr | 0:9be122c18509 | 188 | #if defined( USE_BAND_868 ) |
GregCr | 0:9be122c18509 | 189 | /*! |
GregCr | 0:9be122c18509 | 190 | * LoRaMac bands |
GregCr | 0:9be122c18509 | 191 | */ |
GregCr | 0:9be122c18509 | 192 | static Band_t Bands[LORA_MAX_NB_BANDS] = |
GregCr | 0:9be122c18509 | 193 | { |
GregCr | 0:9be122c18509 | 194 | BAND0, |
GregCr | 0:9be122c18509 | 195 | BAND1, |
GregCr | 0:9be122c18509 | 196 | BAND2, |
GregCr | 0:9be122c18509 | 197 | BAND3, |
GregCr | 0:9be122c18509 | 198 | BAND4, |
GregCr | 0:9be122c18509 | 199 | }; |
GregCr | 0:9be122c18509 | 200 | |
GregCr | 0:9be122c18509 | 201 | /*! |
GregCr | 0:9be122c18509 | 202 | * LoRaMAC channels |
GregCr | 0:9be122c18509 | 203 | */ |
GregCr | 0:9be122c18509 | 204 | static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] = |
GregCr | 0:9be122c18509 | 205 | { |
GregCr | 0:9be122c18509 | 206 | LC1, |
GregCr | 0:9be122c18509 | 207 | LC2, |
GregCr | 0:9be122c18509 | 208 | LC3, |
GregCr | 0:9be122c18509 | 209 | LC4, |
GregCr | 0:9be122c18509 | 210 | LC5, |
GregCr | 0:9be122c18509 | 211 | LC6, |
Alliance | 8:19a3b4a82c69 | 212 | /* LC7, |
GregCr | 0:9be122c18509 | 213 | LC8, |
Alliance | 8:19a3b4a82c69 | 214 | LC9,*/ |
GregCr | 0:9be122c18509 | 215 | }; |
GregCr | 0:9be122c18509 | 216 | #else |
GregCr | 0:9be122c18509 | 217 | /*! |
GregCr | 0:9be122c18509 | 218 | * LoRaMac bands |
GregCr | 0:9be122c18509 | 219 | */ |
GregCr | 0:9be122c18509 | 220 | static Band_t Bands[LORA_MAX_NB_BANDS] = |
GregCr | 0:9be122c18509 | 221 | { |
GregCr | 0:9be122c18509 | 222 | BAND0, |
GregCr | 0:9be122c18509 | 223 | }; |
GregCr | 0:9be122c18509 | 224 | |
GregCr | 0:9be122c18509 | 225 | /*! |
GregCr | 0:9be122c18509 | 226 | * LoRaMAC channels |
GregCr | 0:9be122c18509 | 227 | */ |
GregCr | 0:9be122c18509 | 228 | static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS] = |
GregCr | 0:9be122c18509 | 229 | { |
GregCr | 0:9be122c18509 | 230 | LC1, |
GregCr | 0:9be122c18509 | 231 | LC2, |
GregCr | 0:9be122c18509 | 232 | LC3, |
pzheng | 9:b3ddbad8c5e3 | 233 | LC4, |
pzheng | 9:b3ddbad8c5e3 | 234 | LC5, |
pzheng | 9:b3ddbad8c5e3 | 235 | LC6, |
pzheng | 9:b3ddbad8c5e3 | 236 | LC7, |
pzheng | 9:b3ddbad8c5e3 | 237 | LC8, |
pzheng | 9:b3ddbad8c5e3 | 238 | // LC9, |
GregCr | 0:9be122c18509 | 239 | }; |
GregCr | 0:9be122c18509 | 240 | #endif |
GregCr | 0:9be122c18509 | 241 | |
GregCr | 0:9be122c18509 | 242 | /*! |
GregCr | 0:9be122c18509 | 243 | * LoRaMAC 2nd reception window settings |
GregCr | 0:9be122c18509 | 244 | */ |
GregCr | 0:9be122c18509 | 245 | static Rx2ChannelParams_t Rx2Channel = RX_WND_2_CHANNEL; |
GregCr | 0:9be122c18509 | 246 | |
GregCr | 0:9be122c18509 | 247 | /*! |
GregCr | 0:9be122c18509 | 248 | * Datarate offset between uplink and downlink on first window |
GregCr | 0:9be122c18509 | 249 | */ |
GregCr | 0:9be122c18509 | 250 | static uint8_t Rx1DrOffset = 0; |
GregCr | 0:9be122c18509 | 251 | |
GregCr | 0:9be122c18509 | 252 | /*! |
GregCr | 0:9be122c18509 | 253 | * Mask indicating which channels are enabled |
GregCr | 0:9be122c18509 | 254 | */ |
GregCr | 0:9be122c18509 | 255 | static uint16_t ChannelsMask; |
GregCr | 0:9be122c18509 | 256 | |
GregCr | 0:9be122c18509 | 257 | /*! |
GregCr | 0:9be122c18509 | 258 | * Channels Tx output power |
GregCr | 0:9be122c18509 | 259 | */ |
GregCr | 0:9be122c18509 | 260 | static int8_t ChannelsTxPower = LORAMAC_DEFAULT_TX_POWER; |
GregCr | 0:9be122c18509 | 261 | |
GregCr | 0:9be122c18509 | 262 | /*! |
GregCr | 0:9be122c18509 | 263 | * Channels datarate |
GregCr | 0:9be122c18509 | 264 | */ |
GregCr | 0:9be122c18509 | 265 | static int8_t ChannelsDatarate = LORAMAC_DEFAULT_DATARATE; |
GregCr | 0:9be122c18509 | 266 | |
GregCr | 0:9be122c18509 | 267 | /*! |
GregCr | 0:9be122c18509 | 268 | * Channels defualt datarate |
GregCr | 0:9be122c18509 | 269 | */ |
GregCr | 0:9be122c18509 | 270 | static int8_t ChannelsDefaultDatarate = LORAMAC_DEFAULT_DATARATE; |
GregCr | 0:9be122c18509 | 271 | |
GregCr | 0:9be122c18509 | 272 | /*! |
GregCr | 0:9be122c18509 | 273 | * Number of uplink messages repetitions [1:15] (unconfirmed messages only) |
GregCr | 0:9be122c18509 | 274 | */ |
GregCr | 0:9be122c18509 | 275 | static uint8_t ChannelsNbRep = 1; // |
GregCr | 0:9be122c18509 | 276 | |
GregCr | 0:9be122c18509 | 277 | /*! |
GregCr | 0:9be122c18509 | 278 | * Uplink messages repetitions counter |
GregCr | 0:9be122c18509 | 279 | */ |
GregCr | 0:9be122c18509 | 280 | static uint8_t ChannelsNbRepCounter = 0; |
GregCr | 0:9be122c18509 | 281 | |
GregCr | 0:9be122c18509 | 282 | /*! |
GregCr | 0:9be122c18509 | 283 | * Maximum duty cycle |
GregCr | 0:9be122c18509 | 284 | * \remark Possibility to shutdown the device. Everything else not implemented. |
GregCr | 0:9be122c18509 | 285 | */ |
GregCr | 0:9be122c18509 | 286 | static uint8_t MaxDCycle = 0; |
GregCr | 0:9be122c18509 | 287 | |
GregCr | 0:9be122c18509 | 288 | /*! |
GregCr | 0:9be122c18509 | 289 | * Agregated duty cycle management |
GregCr | 0:9be122c18509 | 290 | */ |
GregCr | 0:9be122c18509 | 291 | static uint16_t AggregatedDCycle; |
GregCr | 0:9be122c18509 | 292 | static uint64_t AggregatedLastTxDoneTime; |
GregCr | 0:9be122c18509 | 293 | static uint64_t AggregatedTimeOff; |
GregCr | 0:9be122c18509 | 294 | |
GregCr | 0:9be122c18509 | 295 | /*! |
GregCr | 0:9be122c18509 | 296 | * Enables/Disables duty cycle management (Test only) |
GregCr | 0:9be122c18509 | 297 | */ |
GregCr | 0:9be122c18509 | 298 | static bool DutyCycleOn; |
GregCr | 0:9be122c18509 | 299 | |
GregCr | 0:9be122c18509 | 300 | /*! |
GregCr | 0:9be122c18509 | 301 | * Current channel index |
GregCr | 0:9be122c18509 | 302 | */ |
GregCr | 0:9be122c18509 | 303 | static uint8_t Channel; |
GregCr | 0:9be122c18509 | 304 | |
GregCr | 0:9be122c18509 | 305 | /*! |
GregCr | 0:9be122c18509 | 306 | * LoRaMac internal states |
GregCr | 0:9be122c18509 | 307 | */ |
GregCr | 0:9be122c18509 | 308 | enum LoRaMacState_e |
GregCr | 0:9be122c18509 | 309 | { |
GregCr | 0:9be122c18509 | 310 | MAC_IDLE = 0x00000000, |
GregCr | 0:9be122c18509 | 311 | MAC_TX_RUNNING = 0x00000001, |
GregCr | 0:9be122c18509 | 312 | MAC_RX = 0x00000002, |
GregCr | 0:9be122c18509 | 313 | MAC_ACK_REQ = 0x00000004, |
GregCr | 0:9be122c18509 | 314 | MAC_ACK_RETRY = 0x00000008, |
GregCr | 0:9be122c18509 | 315 | MAC_CHANNEL_CHECK = 0x00000010, |
GregCr | 0:9be122c18509 | 316 | }; |
GregCr | 0:9be122c18509 | 317 | |
GregCr | 0:9be122c18509 | 318 | /*! |
GregCr | 0:9be122c18509 | 319 | * LoRaMac internal state |
GregCr | 0:9be122c18509 | 320 | */ |
GregCr | 0:9be122c18509 | 321 | uint32_t LoRaMacState = MAC_IDLE; |
GregCr | 0:9be122c18509 | 322 | |
GregCr | 0:9be122c18509 | 323 | /*! |
GregCr | 0:9be122c18509 | 324 | * LoRaMac timer used to check the LoRaMacState (runs every second) |
GregCr | 0:9be122c18509 | 325 | */ |
GregCr | 0:9be122c18509 | 326 | Ticker MacStateCheckTimer; |
GregCr | 0:9be122c18509 | 327 | |
GregCr | 0:9be122c18509 | 328 | /*! |
GregCr | 0:9be122c18509 | 329 | * LoRaMac upper layer event functions |
GregCr | 0:9be122c18509 | 330 | */ |
GregCr | 0:9be122c18509 | 331 | static LoRaMacEvent_t *LoRaMacEvents; |
GregCr | 0:9be122c18509 | 332 | |
GregCr | 0:9be122c18509 | 333 | /*! |
GregCr | 0:9be122c18509 | 334 | * LoRaMac notification event flags |
GregCr | 0:9be122c18509 | 335 | */ |
GregCr | 0:9be122c18509 | 336 | LoRaMacEventFlags_t LoRaMacEventFlags; |
GregCr | 0:9be122c18509 | 337 | |
GregCr | 0:9be122c18509 | 338 | /*! |
GregCr | 0:9be122c18509 | 339 | * LoRaMac notification event info |
GregCr | 0:9be122c18509 | 340 | */ |
GregCr | 0:9be122c18509 | 341 | LoRaMacEventInfo_t LoRaMacEventInfo; |
GregCr | 0:9be122c18509 | 342 | |
GregCr | 0:9be122c18509 | 343 | /*! |
GregCr | 0:9be122c18509 | 344 | * Radio events function pointer |
GregCr | 0:9be122c18509 | 345 | */ |
GregCr | 0:9be122c18509 | 346 | //static RadioEvents_t RadioEvents; |
GregCr | 0:9be122c18509 | 347 | |
GregCr | 0:9be122c18509 | 348 | /*! |
GregCr | 0:9be122c18509 | 349 | * LoRaMac channel check timer |
GregCr | 0:9be122c18509 | 350 | */ |
GregCr | 0:9be122c18509 | 351 | Ticker ChannelCheckTimer; |
GregCr | 0:9be122c18509 | 352 | |
GregCr | 0:9be122c18509 | 353 | /*! |
GregCr | 0:9be122c18509 | 354 | * LoRaMac duty cycle delayed Tx timer |
GregCr | 0:9be122c18509 | 355 | */ |
GregCr | 0:9be122c18509 | 356 | Ticker TxDelayedTimer; |
GregCr | 0:9be122c18509 | 357 | |
GregCr | 0:9be122c18509 | 358 | /*! |
GregCr | 0:9be122c18509 | 359 | * LoRaMac reception windows timers |
GregCr | 0:9be122c18509 | 360 | */ |
GregCr | 0:9be122c18509 | 361 | Ticker RxWindowTimer1; |
GregCr | 0:9be122c18509 | 362 | Ticker RxWindowTimer2; |
GregCr | 0:9be122c18509 | 363 | |
GregCr | 0:9be122c18509 | 364 | /*! |
GregCr | 0:9be122c18509 | 365 | * LoRaMac reception windows delay from end of Tx |
GregCr | 0:9be122c18509 | 366 | */ |
GregCr | 0:9be122c18509 | 367 | static uint32_t ReceiveDelay1; |
GregCr | 0:9be122c18509 | 368 | static uint32_t ReceiveDelay2; |
GregCr | 0:9be122c18509 | 369 | static uint32_t JoinAcceptDelay1; |
GregCr | 0:9be122c18509 | 370 | static uint32_t JoinAcceptDelay2; |
GregCr | 0:9be122c18509 | 371 | |
GregCr | 0:9be122c18509 | 372 | /*! |
GregCr | 0:9be122c18509 | 373 | * LoRaMac reception windows delay |
GregCr | 0:9be122c18509 | 374 | * \remark normal frame: RxWindowXDelay = ReceiveDelayX - RADIO_WAKEUP_TIME |
GregCr | 0:9be122c18509 | 375 | * join frame : RxWindowXDelay = JoinAcceptDelayX - RADIO_WAKEUP_TIME |
GregCr | 0:9be122c18509 | 376 | */ |
GregCr | 0:9be122c18509 | 377 | static uint32_t RxWindow1Delay; |
GregCr | 0:9be122c18509 | 378 | static uint32_t RxWindow2Delay; |
GregCr | 0:9be122c18509 | 379 | |
GregCr | 0:9be122c18509 | 380 | /*! |
GregCr | 0:9be122c18509 | 381 | * LoRaMac maximum time a reception window stays open |
GregCr | 0:9be122c18509 | 382 | */ |
GregCr | 0:9be122c18509 | 383 | static uint32_t MaxRxWindow; |
GregCr | 0:9be122c18509 | 384 | |
GregCr | 0:9be122c18509 | 385 | /*! |
GregCr | 0:9be122c18509 | 386 | * Acknowledge timeout timer. Used for packet retransmissions. |
GregCr | 0:9be122c18509 | 387 | */ |
GregCr | 0:9be122c18509 | 388 | Ticker AckTimeoutTimer; |
GregCr | 0:9be122c18509 | 389 | |
GregCr | 0:9be122c18509 | 390 | /*! |
GregCr | 0:9be122c18509 | 391 | * Number of trials to get a frame acknowledged |
GregCr | 0:9be122c18509 | 392 | */ |
GregCr | 0:9be122c18509 | 393 | static uint8_t AckTimeoutRetries = 1; |
GregCr | 0:9be122c18509 | 394 | |
GregCr | 0:9be122c18509 | 395 | /*! |
GregCr | 0:9be122c18509 | 396 | * Number of trials to get a frame acknowledged |
GregCr | 0:9be122c18509 | 397 | */ |
GregCr | 0:9be122c18509 | 398 | static uint8_t AckTimeoutRetriesCounter = 1; |
GregCr | 0:9be122c18509 | 399 | |
GregCr | 0:9be122c18509 | 400 | /*! |
GregCr | 0:9be122c18509 | 401 | * Indicates if the AckTimeout timer has expired or not |
GregCr | 0:9be122c18509 | 402 | */ |
GregCr | 0:9be122c18509 | 403 | static bool AckTimeoutRetry = false; |
GregCr | 0:9be122c18509 | 404 | |
GregCr | 0:9be122c18509 | 405 | /*! |
GregCr | 0:9be122c18509 | 406 | * Last transmission time on air |
GregCr | 0:9be122c18509 | 407 | */ |
GregCr | 0:9be122c18509 | 408 | TimerTime_t TxTimeOnAir = 0; |
GregCr | 0:9be122c18509 | 409 | |
GregCr | 0:9be122c18509 | 410 | /*! |
GregCr | 0:9be122c18509 | 411 | * Function to be executed on Radio Tx Done event |
GregCr | 0:9be122c18509 | 412 | */ |
GregCr | 0:9be122c18509 | 413 | static void OnRadioTxDone( void ); |
GregCr | 0:9be122c18509 | 414 | |
GregCr | 0:9be122c18509 | 415 | /*! |
GregCr | 0:9be122c18509 | 416 | * Function to be executed on Radio Rx Done event |
GregCr | 0:9be122c18509 | 417 | */ |
GregCr | 0:9be122c18509 | 418 | static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr ); |
GregCr | 0:9be122c18509 | 419 | |
GregCr | 0:9be122c18509 | 420 | /*! |
GregCr | 0:9be122c18509 | 421 | * Function executed on Radio Tx Timeout event |
GregCr | 0:9be122c18509 | 422 | */ |
GregCr | 0:9be122c18509 | 423 | static void OnRadioTxTimeout( void ); |
GregCr | 0:9be122c18509 | 424 | |
GregCr | 0:9be122c18509 | 425 | /*! |
GregCr | 0:9be122c18509 | 426 | * Function executed on Radio Rx error event |
GregCr | 0:9be122c18509 | 427 | */ |
GregCr | 0:9be122c18509 | 428 | static void OnRadioRxError( void ); |
GregCr | 0:9be122c18509 | 429 | |
GregCr | 0:9be122c18509 | 430 | /*! |
GregCr | 0:9be122c18509 | 431 | * Function executed on Radio Rx Timeout event |
GregCr | 0:9be122c18509 | 432 | */ |
GregCr | 0:9be122c18509 | 433 | static void OnRadioRxTimeout( void ); |
GregCr | 0:9be122c18509 | 434 | |
GregCr | 0:9be122c18509 | 435 | /*! |
GregCr | 0:9be122c18509 | 436 | * Function executed on Resend Frame timer event. |
GregCr | 0:9be122c18509 | 437 | */ |
GregCr | 0:9be122c18509 | 438 | static void OnMacStateCheckTimerEvent( void ); |
GregCr | 0:9be122c18509 | 439 | |
GregCr | 0:9be122c18509 | 440 | /*! |
GregCr | 0:9be122c18509 | 441 | * Function executed on duty cycle delayed Tx timer event |
GregCr | 0:9be122c18509 | 442 | */ |
GregCr | 0:9be122c18509 | 443 | static void OnTxDelayedTimerEvent( void ); |
GregCr | 0:9be122c18509 | 444 | |
GregCr | 0:9be122c18509 | 445 | /*! |
GregCr | 0:9be122c18509 | 446 | * Function executed on channel check timer event |
GregCr | 0:9be122c18509 | 447 | */ |
GregCr | 0:9be122c18509 | 448 | static void OnChannelCheckTimerEvent( void ); |
GregCr | 0:9be122c18509 | 449 | |
GregCr | 0:9be122c18509 | 450 | /*! |
GregCr | 0:9be122c18509 | 451 | * Function executed on first Rx window timer event |
GregCr | 0:9be122c18509 | 452 | */ |
GregCr | 0:9be122c18509 | 453 | static void OnRxWindow1TimerEvent( void ); |
GregCr | 0:9be122c18509 | 454 | |
GregCr | 0:9be122c18509 | 455 | /*! |
GregCr | 0:9be122c18509 | 456 | * Function executed on second Rx window timer event |
GregCr | 0:9be122c18509 | 457 | */ |
GregCr | 0:9be122c18509 | 458 | static void OnRxWindow2TimerEvent( void ); |
GregCr | 0:9be122c18509 | 459 | |
GregCr | 0:9be122c18509 | 460 | /*! |
GregCr | 0:9be122c18509 | 461 | * Function executed on AckTimeout timer event |
GregCr | 0:9be122c18509 | 462 | */ |
GregCr | 0:9be122c18509 | 463 | static void OnAckTimeoutTimerEvent( void ); |
GregCr | 0:9be122c18509 | 464 | |
GregCr | 0:9be122c18509 | 465 | |
GregCr | 0:9be122c18509 | 466 | |
GregCr | 0:9be122c18509 | 467 | SX1276MB1xAS Radio( OnRadioTxDone, OnRadioTxTimeout, OnRadioRxDone, OnRadioRxTimeout, OnRadioRxError, NULL, NULL ); |
GregCr | 0:9be122c18509 | 468 | |
GregCr | 0:9be122c18509 | 469 | |
GregCr | 0:9be122c18509 | 470 | |
GregCr | 0:9be122c18509 | 471 | |
GregCr | 0:9be122c18509 | 472 | |
GregCr | 0:9be122c18509 | 473 | /*! |
GregCr | 0:9be122c18509 | 474 | * Searches and set the next random available channel |
GregCr | 0:9be122c18509 | 475 | * |
GregCr | 0:9be122c18509 | 476 | * \retval status Function status [0: OK, 1: Unable to find a free channel] |
GregCr | 0:9be122c18509 | 477 | */ |
GregCr | 0:9be122c18509 | 478 | static uint8_t LoRaMacSetNextChannel( void ) |
GregCr | 0:9be122c18509 | 479 | { |
GregCr | 0:9be122c18509 | 480 | uint8_t i = 0; |
GregCr | 0:9be122c18509 | 481 | uint8_t j = 0; |
GregCr | 0:9be122c18509 | 482 | uint8_t channelNext = Channel; |
GregCr | 0:9be122c18509 | 483 | uint8_t nbEnabledChannels = 0; |
GregCr | 0:9be122c18509 | 484 | uint8_t enabledChannels[LORA_MAX_NB_CHANNELS]; |
GregCr | 0:9be122c18509 | 485 | uint64_t curTime = TimerGetCurrentTime( ); |
GregCr | 0:9be122c18509 | 486 | |
GregCr | 0:9be122c18509 | 487 | memset( enabledChannels, 0, LORA_MAX_NB_CHANNELS ); |
GregCr | 0:9be122c18509 | 488 | |
GregCr | 0:9be122c18509 | 489 | // Update Aggregated duty cycle |
GregCr | 0:9be122c18509 | 490 | if( AggregatedTimeOff < ( curTime - AggregatedLastTxDoneTime ) ) |
GregCr | 0:9be122c18509 | 491 | { |
GregCr | 0:9be122c18509 | 492 | AggregatedTimeOff = 0; |
GregCr | 0:9be122c18509 | 493 | } |
GregCr | 0:9be122c18509 | 494 | |
GregCr | 0:9be122c18509 | 495 | // Update bands Time OFF |
GregCr | 0:9be122c18509 | 496 | uint64_t minTime = 0xFFFFFFFFFFFFFFFF; |
GregCr | 0:9be122c18509 | 497 | for( i = 0; i < LORA_MAX_NB_BANDS; i++ ) |
GregCr | 0:9be122c18509 | 498 | { |
GregCr | 0:9be122c18509 | 499 | if( DutyCycleOn == true ) |
GregCr | 0:9be122c18509 | 500 | { |
GregCr | 0:9be122c18509 | 501 | if( Bands[i].TimeOff < ( curTime - Bands[i].LastTxDoneTime ) ) |
GregCr | 0:9be122c18509 | 502 | { |
GregCr | 0:9be122c18509 | 503 | Bands[i].TimeOff = 0; |
GregCr | 0:9be122c18509 | 504 | } |
GregCr | 0:9be122c18509 | 505 | if( Bands[i].TimeOff != 0 ) |
GregCr | 0:9be122c18509 | 506 | { |
GregCr | 0:9be122c18509 | 507 | minTime = MIN( Bands[i].TimeOff, minTime ); |
GregCr | 0:9be122c18509 | 508 | } |
GregCr | 0:9be122c18509 | 509 | } |
GregCr | 0:9be122c18509 | 510 | else |
GregCr | 0:9be122c18509 | 511 | { |
GregCr | 0:9be122c18509 | 512 | minTime = 0; |
GregCr | 0:9be122c18509 | 513 | Bands[i].TimeOff = 0; |
GregCr | 0:9be122c18509 | 514 | } |
GregCr | 0:9be122c18509 | 515 | } |
GregCr | 0:9be122c18509 | 516 | |
GregCr | 0:9be122c18509 | 517 | // Search how many channels are enabled |
GregCr | 0:9be122c18509 | 518 | for( i = 0; i < LORA_MAX_NB_CHANNELS; i++ ) |
GregCr | 0:9be122c18509 | 519 | { |
GregCr | 0:9be122c18509 | 520 | if( ( ( 1 << i ) & ChannelsMask ) != 0 ) |
GregCr | 0:9be122c18509 | 521 | { |
GregCr | 0:9be122c18509 | 522 | if( Channels[i].Frequency == 0 ) |
GregCr | 0:9be122c18509 | 523 | { // Check if the channel is enabled |
GregCr | 0:9be122c18509 | 524 | continue; |
GregCr | 0:9be122c18509 | 525 | } |
GregCr | 0:9be122c18509 | 526 | if( ( ( Channels[i].DrRange.Fields.Min <= ChannelsDatarate ) && |
GregCr | 0:9be122c18509 | 527 | ( ChannelsDatarate <= Channels[i].DrRange.Fields.Max ) ) == false ) |
GregCr | 0:9be122c18509 | 528 | { // Check if the current channel selection supports the given datarate |
GregCr | 0:9be122c18509 | 529 | continue; |
GregCr | 0:9be122c18509 | 530 | } |
GregCr | 0:9be122c18509 | 531 | if( Bands[Channels[i].Band].TimeOff > 0 ) |
GregCr | 0:9be122c18509 | 532 | { // Check if the band is available for transmission |
GregCr | 0:9be122c18509 | 533 | continue; |
GregCr | 0:9be122c18509 | 534 | } |
GregCr | 0:9be122c18509 | 535 | if( AggregatedTimeOff > 0 ) |
GregCr | 0:9be122c18509 | 536 | { // Check if there is time available for transmission |
GregCr | 0:9be122c18509 | 537 | continue; |
GregCr | 0:9be122c18509 | 538 | } |
GregCr | 0:9be122c18509 | 539 | enabledChannels[nbEnabledChannels++] = i; |
GregCr | 0:9be122c18509 | 540 | } |
GregCr | 0:9be122c18509 | 541 | } |
GregCr | 0:9be122c18509 | 542 | if( nbEnabledChannels > 0 ) |
GregCr | 0:9be122c18509 | 543 | { |
GregCr | 0:9be122c18509 | 544 | for( i = 0, j = randr( 0, nbEnabledChannels - 1 ); i < LORA_MAX_NB_CHANNELS; i++ ) |
GregCr | 0:9be122c18509 | 545 | { |
GregCr | 0:9be122c18509 | 546 | channelNext = enabledChannels[j]; |
GregCr | 0:9be122c18509 | 547 | j = ( j + 1 ) % nbEnabledChannels; |
GregCr | 0:9be122c18509 | 548 | |
GregCr | 0:9be122c18509 | 549 | if( Radio.IsChannelFree( MODEM_LORA, Channels[channelNext].Frequency, RSSI_FREE_TH ) == true ) |
GregCr | 0:9be122c18509 | 550 | { |
GregCr | 0:9be122c18509 | 551 | // Free channel found |
GregCr | 0:9be122c18509 | 552 | Channel = channelNext; |
GregCr | 0:9be122c18509 | 553 | |
GregCr | 0:9be122c18509 | 554 | LoRaMacState &= ~MAC_CHANNEL_CHECK; |
GregCr | 0:9be122c18509 | 555 | ChannelCheckTimer.detach( ); |
GregCr | 0:9be122c18509 | 556 | return 0; |
GregCr | 0:9be122c18509 | 557 | } |
GregCr | 0:9be122c18509 | 558 | } |
GregCr | 0:9be122c18509 | 559 | } |
GregCr | 0:9be122c18509 | 560 | // No free channel found. |
GregCr | 0:9be122c18509 | 561 | // Check again |
GregCr | 0:9be122c18509 | 562 | if( ( LoRaMacState & MAC_CHANNEL_CHECK ) == 0 ) |
GregCr | 0:9be122c18509 | 563 | { |
GregCr | 0:9be122c18509 | 564 | ChannelCheckTimer.attach_us( OnChannelCheckTimerEvent, minTime ); |
GregCr | 0:9be122c18509 | 565 | LoRaMacState |= MAC_CHANNEL_CHECK; |
GregCr | 0:9be122c18509 | 566 | } |
GregCr | 0:9be122c18509 | 567 | return 1; |
GregCr | 0:9be122c18509 | 568 | } |
GregCr | 0:9be122c18509 | 569 | |
GregCr | 0:9be122c18509 | 570 | /* |
GregCr | 0:9be122c18509 | 571 | * TODO: Add documentation |
GregCr | 0:9be122c18509 | 572 | */ |
GregCr | 0:9be122c18509 | 573 | void OnChannelCheckTimerEvent( void ) |
GregCr | 0:9be122c18509 | 574 | { |
GregCr | 2:737ad7fbc97e | 575 | ChannelCheckTimer.detach( ); |
GregCr | 0:9be122c18509 | 576 | |
GregCr | 0:9be122c18509 | 577 | LoRaMacState &= ~MAC_CHANNEL_CHECK; |
GregCr | 0:9be122c18509 | 578 | if( LoRaMacSetNextChannel( ) == 0 ) |
GregCr | 0:9be122c18509 | 579 | { |
GregCr | 0:9be122c18509 | 580 | if( ( LoRaMacState & MAC_TX_RUNNING ) == MAC_TX_RUNNING ) |
GregCr | 0:9be122c18509 | 581 | { |
GregCr | 0:9be122c18509 | 582 | LoRaMacSendFrameOnChannel( Channels[Channel] ); |
GregCr | 0:9be122c18509 | 583 | } |
GregCr | 0:9be122c18509 | 584 | } |
GregCr | 0:9be122c18509 | 585 | } |
GregCr | 0:9be122c18509 | 586 | |
GregCr | 0:9be122c18509 | 587 | /*! |
GregCr | 0:9be122c18509 | 588 | * Adds a new MAC command to be sent. |
GregCr | 0:9be122c18509 | 589 | * |
GregCr | 0:9be122c18509 | 590 | * \Remark MAC layer internal function |
GregCr | 0:9be122c18509 | 591 | * |
GregCr | 0:9be122c18509 | 592 | * \param [in] cmd MAC command to be added |
GregCr | 0:9be122c18509 | 593 | * [MOTE_MAC_LINK_CHECK_REQ, |
GregCr | 0:9be122c18509 | 594 | * MOTE_MAC_LINK_ADR_ANS, |
GregCr | 0:9be122c18509 | 595 | * MOTE_MAC_DUTY_CYCLE_ANS, |
GregCr | 0:9be122c18509 | 596 | * MOTE_MAC_RX2_PARAM_SET_ANS, |
GregCr | 0:9be122c18509 | 597 | * MOTE_MAC_DEV_STATUS_ANS |
GregCr | 0:9be122c18509 | 598 | * MOTE_MAC_NEW_CHANNEL_ANS] |
GregCr | 0:9be122c18509 | 599 | * \param [in] p1 1st parameter ( optional depends on the command ) |
GregCr | 0:9be122c18509 | 600 | * \param [in] p2 2nd parameter ( optional depends on the command ) |
GregCr | 0:9be122c18509 | 601 | * |
GregCr | 0:9be122c18509 | 602 | * \retval status Function status [0: OK, 1: Unknown command, 2: Buffer full] |
GregCr | 0:9be122c18509 | 603 | */ |
GregCr | 0:9be122c18509 | 604 | static uint8_t AddMacCommand( uint8_t cmd, uint8_t p1, uint8_t p2 ) |
GregCr | 0:9be122c18509 | 605 | { |
pzheng | 9:b3ddbad8c5e3 | 606 | //Added by pzheng 20151112 |
pzheng | 9:b3ddbad8c5e3 | 607 | debug( "_LoRaMacMoteCmd = 0x%x\n\r", cmd ); |
GregCr | 0:9be122c18509 | 608 | MacCommandsBuffer[MacCommandsBufferIndex++] = cmd; |
GregCr | 0:9be122c18509 | 609 | switch( cmd ) |
GregCr | 0:9be122c18509 | 610 | { |
GregCr | 0:9be122c18509 | 611 | case MOTE_MAC_LINK_CHECK_REQ: |
GregCr | 0:9be122c18509 | 612 | // No payload for this command |
GregCr | 0:9be122c18509 | 613 | break; |
GregCr | 0:9be122c18509 | 614 | case MOTE_MAC_LINK_ADR_ANS: |
GregCr | 0:9be122c18509 | 615 | // Margin |
GregCr | 0:9be122c18509 | 616 | MacCommandsBuffer[MacCommandsBufferIndex++] = p1; |
GregCr | 0:9be122c18509 | 617 | break; |
GregCr | 0:9be122c18509 | 618 | case MOTE_MAC_DUTY_CYCLE_ANS: |
GregCr | 0:9be122c18509 | 619 | // No payload for this answer |
GregCr | 0:9be122c18509 | 620 | break; |
GregCr | 0:9be122c18509 | 621 | case MOTE_MAC_RX_PARAM_SETUP_ANS: |
GregCr | 0:9be122c18509 | 622 | // Status: Datarate ACK, Channel ACK |
GregCr | 0:9be122c18509 | 623 | MacCommandsBuffer[MacCommandsBufferIndex++] = p1; |
GregCr | 0:9be122c18509 | 624 | break; |
GregCr | 0:9be122c18509 | 625 | case MOTE_MAC_DEV_STATUS_ANS: |
GregCr | 0:9be122c18509 | 626 | // 1st byte Battery |
GregCr | 0:9be122c18509 | 627 | // 2nd byte Margin |
GregCr | 0:9be122c18509 | 628 | MacCommandsBuffer[MacCommandsBufferIndex++] = p1; |
GregCr | 0:9be122c18509 | 629 | MacCommandsBuffer[MacCommandsBufferIndex++] = p2; |
GregCr | 0:9be122c18509 | 630 | break; |
GregCr | 0:9be122c18509 | 631 | case MOTE_MAC_NEW_CHANNEL_ANS: |
GregCr | 0:9be122c18509 | 632 | // Status: Datarate range OK, Channel frequency OK |
GregCr | 0:9be122c18509 | 633 | MacCommandsBuffer[MacCommandsBufferIndex++] = p1; |
GregCr | 0:9be122c18509 | 634 | break; |
GregCr | 0:9be122c18509 | 635 | case MOTE_MAC_RX_TIMING_SETUP_ANS: |
GregCr | 0:9be122c18509 | 636 | // No payload for this answer |
GregCr | 0:9be122c18509 | 637 | break; |
GregCr | 0:9be122c18509 | 638 | default: |
GregCr | 0:9be122c18509 | 639 | return 1; |
GregCr | 0:9be122c18509 | 640 | } |
GregCr | 0:9be122c18509 | 641 | if( MacCommandsBufferIndex <= 15 ) |
GregCr | 0:9be122c18509 | 642 | { |
GregCr | 0:9be122c18509 | 643 | MacCommandsInNextTx = true; |
GregCr | 0:9be122c18509 | 644 | return 0; |
GregCr | 0:9be122c18509 | 645 | } |
GregCr | 0:9be122c18509 | 646 | else |
GregCr | 0:9be122c18509 | 647 | { |
GregCr | 0:9be122c18509 | 648 | return 2; |
GregCr | 0:9be122c18509 | 649 | } |
GregCr | 0:9be122c18509 | 650 | } |
GregCr | 0:9be122c18509 | 651 | |
GregCr | 0:9be122c18509 | 652 | // TODO: Add Documentation |
GregCr | 0:9be122c18509 | 653 | static void LoRaMacNotify( LoRaMacEventFlags_t *flags, LoRaMacEventInfo_t *info ) |
GregCr | 0:9be122c18509 | 654 | { |
GregCr | 0:9be122c18509 | 655 | if( ( LoRaMacEvents != NULL ) && ( LoRaMacEvents->MacEvent != NULL ) ) |
GregCr | 0:9be122c18509 | 656 | { |
GregCr | 0:9be122c18509 | 657 | LoRaMacEvents->MacEvent( flags, info ); |
GregCr | 0:9be122c18509 | 658 | } |
GregCr | 0:9be122c18509 | 659 | flags->Value = 0; |
GregCr | 0:9be122c18509 | 660 | } |
GregCr | 0:9be122c18509 | 661 | |
GregCr | 0:9be122c18509 | 662 | void LoRaMacInit( LoRaMacEvent_t *events ) |
GregCr | 0:9be122c18509 | 663 | { |
GregCr | 0:9be122c18509 | 664 | LoRaMacEvents = events; |
GregCr | 0:9be122c18509 | 665 | |
GregCr | 0:9be122c18509 | 666 | LoRaMacEventFlags.Value = 0; |
GregCr | 0:9be122c18509 | 667 | |
GregCr | 0:9be122c18509 | 668 | LoRaMacEventInfo.TxAckReceived = false; |
GregCr | 0:9be122c18509 | 669 | LoRaMacEventInfo.TxNbRetries = 0; |
GregCr | 0:9be122c18509 | 670 | LoRaMacEventInfo.TxDatarate = 7; |
GregCr | 0:9be122c18509 | 671 | LoRaMacEventInfo.RxPort = 1; |
GregCr | 0:9be122c18509 | 672 | LoRaMacEventInfo.RxBuffer = NULL; |
GregCr | 0:9be122c18509 | 673 | LoRaMacEventInfo.RxBufferSize = 0; |
GregCr | 0:9be122c18509 | 674 | LoRaMacEventInfo.RxRssi = 0; |
GregCr | 0:9be122c18509 | 675 | LoRaMacEventInfo.RxSnr = 0; |
GregCr | 0:9be122c18509 | 676 | LoRaMacEventInfo.Energy = 0; |
GregCr | 0:9be122c18509 | 677 | LoRaMacEventInfo.DemodMargin = 0; |
GregCr | 0:9be122c18509 | 678 | LoRaMacEventInfo.NbGateways = 0; |
GregCr | 0:9be122c18509 | 679 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK; |
GregCr | 0:9be122c18509 | 680 | |
GregCr | 0:9be122c18509 | 681 | LoRaMacDeviceClass = CLASS_A; |
GregCr | 0:9be122c18509 | 682 | |
GregCr | 0:9be122c18509 | 683 | UpLinkCounter = 1; |
GregCr | 0:9be122c18509 | 684 | DownLinkCounter = 0; |
GregCr | 0:9be122c18509 | 685 | |
GregCr | 0:9be122c18509 | 686 | IsLoRaMacNetworkJoined = false; |
GregCr | 0:9be122c18509 | 687 | LoRaMacState = MAC_IDLE; |
GregCr | 0:9be122c18509 | 688 | |
pzheng | 9:b3ddbad8c5e3 | 689 | //#if defined( USE_BAND_868 ) |
GregCr | 0:9be122c18509 | 690 | ChannelsMask = LC( 1 ) + LC( 2 ) + LC( 3 ) + LC( 4 ) + LC( 5 ) + LC( 6 ) + LC( 7 ) + LC( 8 ) + LC( 9 ); |
pzheng | 9:b3ddbad8c5e3 | 691 | //#else |
pzheng | 9:b3ddbad8c5e3 | 692 | // ChannelsMask = LC( 1 ) + LC( 2 ) + LC( 3 ); |
pzheng | 9:b3ddbad8c5e3 | 693 | //#endif |
GregCr | 0:9be122c18509 | 694 | ChannelsTxPower = LORAMAC_DEFAULT_TX_POWER; |
GregCr | 0:9be122c18509 | 695 | ChannelsDefaultDatarate = ChannelsDatarate = LORAMAC_DEFAULT_DATARATE; |
GregCr | 0:9be122c18509 | 696 | ChannelsNbRep = 1; |
GregCr | 0:9be122c18509 | 697 | ChannelsNbRepCounter = 0; |
GregCr | 0:9be122c18509 | 698 | |
GregCr | 0:9be122c18509 | 699 | MaxDCycle = 0; |
GregCr | 0:9be122c18509 | 700 | AggregatedDCycle = 1; |
GregCr | 0:9be122c18509 | 701 | AggregatedLastTxDoneTime = 0; |
GregCr | 0:9be122c18509 | 702 | AggregatedTimeOff = 0; |
GregCr | 0:9be122c18509 | 703 | |
GregCr | 0:9be122c18509 | 704 | DutyCycleOn = true; |
pzheng | 9:b3ddbad8c5e3 | 705 | UpLinkTestOn = false; |
GregCr | 0:9be122c18509 | 706 | |
GregCr | 0:9be122c18509 | 707 | MaxRxWindow = MAX_RX_WINDOW; |
GregCr | 0:9be122c18509 | 708 | ReceiveDelay1 = RECEIVE_DELAY1; |
GregCr | 0:9be122c18509 | 709 | ReceiveDelay2 = RECEIVE_DELAY2; |
GregCr | 0:9be122c18509 | 710 | JoinAcceptDelay1 = JOIN_ACCEPT_DELAY1; |
GregCr | 0:9be122c18509 | 711 | JoinAcceptDelay2 = JOIN_ACCEPT_DELAY2; |
GregCr | 0:9be122c18509 | 712 | |
GregCr | 2:737ad7fbc97e | 713 | // MacStateCheckTimer.attach_us( &OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT ); |
GregCr | 0:9be122c18509 | 714 | |
GregCr | 0:9be122c18509 | 715 | // Random seed initialization |
pzheng | 9:b3ddbad8c5e3 | 716 | srand1( RAND_SEED ); |
GregCr | 0:9be122c18509 | 717 | |
GregCr | 0:9be122c18509 | 718 | // Initialize channel index. |
GregCr | 0:9be122c18509 | 719 | Channel = LORA_MAX_NB_CHANNELS; |
GregCr | 0:9be122c18509 | 720 | |
GregCr | 0:9be122c18509 | 721 | PublicNetwork = true; |
GregCr | 0:9be122c18509 | 722 | LoRaMacSetPublicNetwork( PublicNetwork ); |
GregCr | 0:9be122c18509 | 723 | Radio.Sleep( ); |
GregCr | 0:9be122c18509 | 724 | } |
GregCr | 0:9be122c18509 | 725 | |
GregCr | 0:9be122c18509 | 726 | void LoRaMacSetAdrOn( bool enable ) |
GregCr | 0:9be122c18509 | 727 | { |
GregCr | 0:9be122c18509 | 728 | AdrCtrlOn = enable; |
GregCr | 0:9be122c18509 | 729 | } |
GregCr | 0:9be122c18509 | 730 | |
pzheng | 9:b3ddbad8c5e3 | 731 | //Added by pzheng 20151111 |
pzheng | 9:b3ddbad8c5e3 | 732 | void LoRaMacSetUpLinkTestOn( bool enable ) |
pzheng | 9:b3ddbad8c5e3 | 733 | { |
pzheng | 9:b3ddbad8c5e3 | 734 | UpLinkTestOn = enable; |
pzheng | 9:b3ddbad8c5e3 | 735 | } |
pzheng | 9:b3ddbad8c5e3 | 736 | |
pzheng | 9:b3ddbad8c5e3 | 737 | //Added by pzheng 20151111 |
pzheng | 9:b3ddbad8c5e3 | 738 | bool LoRaMacGetUpLinkTestOn( ) |
pzheng | 9:b3ddbad8c5e3 | 739 | { |
pzheng | 9:b3ddbad8c5e3 | 740 | return(bool)UpLinkTestOn; |
pzheng | 9:b3ddbad8c5e3 | 741 | } |
pzheng | 9:b3ddbad8c5e3 | 742 | |
GregCr | 0:9be122c18509 | 743 | void LoRaMacInitNwkIds( uint32_t netID, uint32_t devAddr, uint8_t *nwkSKey, uint8_t *appSKey ) |
GregCr | 0:9be122c18509 | 744 | { |
GregCr | 0:9be122c18509 | 745 | LoRaMacNetID = netID; |
GregCr | 0:9be122c18509 | 746 | LoRaMacDevAddr = devAddr; |
GregCr | 0:9be122c18509 | 747 | LoRaMacMemCpy( nwkSKey, LoRaMacNwkSKey, 16 ); |
GregCr | 0:9be122c18509 | 748 | LoRaMacMemCpy( appSKey, LoRaMacAppSKey, 16 ); |
GregCr | 0:9be122c18509 | 749 | |
GregCr | 0:9be122c18509 | 750 | IsLoRaMacNetworkJoined = true; |
GregCr | 0:9be122c18509 | 751 | } |
GregCr | 0:9be122c18509 | 752 | |
GregCr | 0:9be122c18509 | 753 | void LoRaMacMulticastChannelAdd( MulticastParams_t *channelParam ) |
GregCr | 0:9be122c18509 | 754 | { |
GregCr | 0:9be122c18509 | 755 | // Reset downlink counter |
GregCr | 0:9be122c18509 | 756 | channelParam->DownLinkCounter = 0; |
GregCr | 0:9be122c18509 | 757 | |
GregCr | 0:9be122c18509 | 758 | if( MulticastChannels == NULL ) |
GregCr | 0:9be122c18509 | 759 | { |
GregCr | 0:9be122c18509 | 760 | MulticastChannels = channelParam; |
GregCr | 0:9be122c18509 | 761 | } |
GregCr | 0:9be122c18509 | 762 | else |
GregCr | 0:9be122c18509 | 763 | { |
GregCr | 0:9be122c18509 | 764 | MulticastParams_t *cur = MulticastChannels; |
GregCr | 0:9be122c18509 | 765 | while( cur->Next != NULL ) |
GregCr | 0:9be122c18509 | 766 | { |
GregCr | 0:9be122c18509 | 767 | cur = cur->Next; |
GregCr | 0:9be122c18509 | 768 | } |
GregCr | 0:9be122c18509 | 769 | cur->Next = channelParam; |
GregCr | 0:9be122c18509 | 770 | } |
GregCr | 0:9be122c18509 | 771 | } |
GregCr | 0:9be122c18509 | 772 | |
GregCr | 0:9be122c18509 | 773 | void LoRaMacMulticastChannelRemove( MulticastParams_t *channelParam ) |
GregCr | 0:9be122c18509 | 774 | { |
GregCr | 0:9be122c18509 | 775 | MulticastParams_t *cur = NULL; |
GregCr | 0:9be122c18509 | 776 | |
GregCr | 0:9be122c18509 | 777 | // Remove the front element |
GregCr | 0:9be122c18509 | 778 | if( MulticastChannels == channelParam ) |
GregCr | 0:9be122c18509 | 779 | { |
GregCr | 0:9be122c18509 | 780 | if( MulticastChannels != NULL ) |
GregCr | 0:9be122c18509 | 781 | { |
GregCr | 0:9be122c18509 | 782 | cur = MulticastChannels; |
GregCr | 0:9be122c18509 | 783 | MulticastChannels = MulticastChannels->Next; |
GregCr | 0:9be122c18509 | 784 | cur->Next = NULL; |
GregCr | 0:9be122c18509 | 785 | // Last node in the list |
GregCr | 0:9be122c18509 | 786 | if( cur == MulticastChannels ) |
GregCr | 0:9be122c18509 | 787 | { |
GregCr | 0:9be122c18509 | 788 | MulticastChannels = NULL; |
GregCr | 0:9be122c18509 | 789 | } |
GregCr | 0:9be122c18509 | 790 | } |
GregCr | 0:9be122c18509 | 791 | return; |
GregCr | 0:9be122c18509 | 792 | } |
GregCr | 0:9be122c18509 | 793 | |
GregCr | 0:9be122c18509 | 794 | // Remove last element |
GregCr | 0:9be122c18509 | 795 | if( channelParam->Next == NULL ) |
GregCr | 0:9be122c18509 | 796 | { |
GregCr | 0:9be122c18509 | 797 | if( MulticastChannels != NULL ) |
GregCr | 0:9be122c18509 | 798 | { |
GregCr | 0:9be122c18509 | 799 | cur = MulticastChannels; |
GregCr | 0:9be122c18509 | 800 | MulticastParams_t *last = NULL; |
GregCr | 0:9be122c18509 | 801 | while( cur->Next != NULL ) |
GregCr | 0:9be122c18509 | 802 | { |
GregCr | 0:9be122c18509 | 803 | last = cur; |
GregCr | 0:9be122c18509 | 804 | cur = cur->Next; |
GregCr | 0:9be122c18509 | 805 | } |
GregCr | 0:9be122c18509 | 806 | if( last != NULL ) |
GregCr | 0:9be122c18509 | 807 | { |
GregCr | 0:9be122c18509 | 808 | last->Next = NULL; |
GregCr | 0:9be122c18509 | 809 | } |
GregCr | 0:9be122c18509 | 810 | // Last node in the list |
GregCr | 0:9be122c18509 | 811 | if( cur == last ) |
GregCr | 0:9be122c18509 | 812 | { |
GregCr | 0:9be122c18509 | 813 | MulticastChannels = NULL; |
GregCr | 0:9be122c18509 | 814 | } |
GregCr | 0:9be122c18509 | 815 | } |
GregCr | 0:9be122c18509 | 816 | return; |
GregCr | 0:9be122c18509 | 817 | } |
GregCr | 0:9be122c18509 | 818 | |
GregCr | 0:9be122c18509 | 819 | // Remove a middle element |
GregCr | 0:9be122c18509 | 820 | cur = MulticastChannels; |
GregCr | 0:9be122c18509 | 821 | while( cur != NULL ) |
GregCr | 0:9be122c18509 | 822 | { |
GregCr | 0:9be122c18509 | 823 | if( cur->Next == channelParam ) |
GregCr | 0:9be122c18509 | 824 | { |
GregCr | 0:9be122c18509 | 825 | break; |
GregCr | 0:9be122c18509 | 826 | } |
GregCr | 0:9be122c18509 | 827 | cur = cur->Next; |
GregCr | 0:9be122c18509 | 828 | } |
GregCr | 0:9be122c18509 | 829 | if( cur != NULL ) |
GregCr | 0:9be122c18509 | 830 | { |
GregCr | 0:9be122c18509 | 831 | MulticastParams_t *tmp = cur ->Next; |
GregCr | 0:9be122c18509 | 832 | cur->Next = tmp->Next; |
GregCr | 0:9be122c18509 | 833 | tmp->Next = NULL; |
GregCr | 0:9be122c18509 | 834 | } |
GregCr | 0:9be122c18509 | 835 | } |
GregCr | 0:9be122c18509 | 836 | |
GregCr | 0:9be122c18509 | 837 | uint8_t LoRaMacJoinReq( uint8_t *devEui, uint8_t *appEui, uint8_t *appKey ) |
GregCr | 0:9be122c18509 | 838 | { |
GregCr | 0:9be122c18509 | 839 | LoRaMacHeader_t macHdr; |
GregCr | 0:9be122c18509 | 840 | |
GregCr | 0:9be122c18509 | 841 | LoRaMacDevEui = devEui; |
GregCr | 0:9be122c18509 | 842 | LoRaMacAppEui = appEui; |
GregCr | 0:9be122c18509 | 843 | LoRaMacAppKey = appKey; |
GregCr | 0:9be122c18509 | 844 | |
GregCr | 0:9be122c18509 | 845 | macHdr.Value = 0; |
GregCr | 0:9be122c18509 | 846 | macHdr.Bits.MType = FRAME_TYPE_JOIN_REQ; |
GregCr | 0:9be122c18509 | 847 | |
GregCr | 0:9be122c18509 | 848 | IsLoRaMacNetworkJoined = false; |
GregCr | 0:9be122c18509 | 849 | return LoRaMacSend( &macHdr, NULL, 0, NULL, 0 ); |
GregCr | 0:9be122c18509 | 850 | } |
GregCr | 0:9be122c18509 | 851 | |
GregCr | 0:9be122c18509 | 852 | uint8_t LoRaMacLinkCheckReq( void ) |
GregCr | 0:9be122c18509 | 853 | { |
GregCr | 0:9be122c18509 | 854 | return AddMacCommand( MOTE_MAC_LINK_CHECK_REQ, 0, 0 ); |
GregCr | 0:9be122c18509 | 855 | } |
GregCr | 0:9be122c18509 | 856 | |
GregCr | 0:9be122c18509 | 857 | uint8_t LoRaMacSendFrame( uint8_t fPort, void *fBuffer, uint16_t fBufferSize ) |
GregCr | 0:9be122c18509 | 858 | { |
GregCr | 0:9be122c18509 | 859 | LoRaMacHeader_t macHdr; |
GregCr | 0:9be122c18509 | 860 | |
GregCr | 0:9be122c18509 | 861 | macHdr.Value = 0; |
pzheng | 9:b3ddbad8c5e3 | 862 | |
GregCr | 0:9be122c18509 | 863 | macHdr.Bits.MType = FRAME_TYPE_DATA_UNCONFIRMED_UP; |
GregCr | 0:9be122c18509 | 864 | return LoRaMacSend( &macHdr, NULL, fPort, fBuffer, fBufferSize ); |
GregCr | 0:9be122c18509 | 865 | } |
GregCr | 0:9be122c18509 | 866 | |
GregCr | 0:9be122c18509 | 867 | uint8_t LoRaMacSendConfirmedFrame( uint8_t fPort, void *fBuffer, uint16_t fBufferSize, uint8_t retries ) |
GregCr | 0:9be122c18509 | 868 | { |
GregCr | 0:9be122c18509 | 869 | LoRaMacHeader_t macHdr; |
GregCr | 0:9be122c18509 | 870 | |
GregCr | 0:9be122c18509 | 871 | if( AdrCtrlOn == false ) |
GregCr | 0:9be122c18509 | 872 | { |
GregCr | 0:9be122c18509 | 873 | ChannelsDatarate = ChannelsDefaultDatarate; |
GregCr | 0:9be122c18509 | 874 | } |
GregCr | 0:9be122c18509 | 875 | AckTimeoutRetries = retries; |
GregCr | 0:9be122c18509 | 876 | AckTimeoutRetriesCounter = 1; |
GregCr | 0:9be122c18509 | 877 | |
GregCr | 0:9be122c18509 | 878 | macHdr.Value = 0; |
GregCr | 0:9be122c18509 | 879 | |
GregCr | 0:9be122c18509 | 880 | macHdr.Bits.MType = FRAME_TYPE_DATA_CONFIRMED_UP; |
GregCr | 0:9be122c18509 | 881 | return LoRaMacSend( &macHdr, NULL, fPort, fBuffer, fBufferSize ); |
GregCr | 0:9be122c18509 | 882 | } |
GregCr | 0:9be122c18509 | 883 | |
GregCr | 0:9be122c18509 | 884 | uint8_t LoRaMacSend( LoRaMacHeader_t *macHdr, uint8_t *fOpts, uint8_t fPort, void *fBuffer, uint16_t fBufferSize ) |
GregCr | 0:9be122c18509 | 885 | { |
GregCr | 0:9be122c18509 | 886 | LoRaMacFrameCtrl_t fCtrl; |
GregCr | 0:9be122c18509 | 887 | |
GregCr | 0:9be122c18509 | 888 | fCtrl.Value = 0; |
GregCr | 0:9be122c18509 | 889 | |
GregCr | 0:9be122c18509 | 890 | fCtrl.Bits.FOptsLen = 0; |
GregCr | 0:9be122c18509 | 891 | fCtrl.Bits.FPending = 0; |
GregCr | 0:9be122c18509 | 892 | fCtrl.Bits.Ack = false; |
GregCr | 0:9be122c18509 | 893 | fCtrl.Bits.AdrAckReq = false; |
GregCr | 0:9be122c18509 | 894 | fCtrl.Bits.Adr = AdrCtrlOn; |
GregCr | 0:9be122c18509 | 895 | |
GregCr | 0:9be122c18509 | 896 | if( LoRaMacSetNextChannel( ) == 0 ) |
GregCr | 0:9be122c18509 | 897 | { |
GregCr | 0:9be122c18509 | 898 | return LoRaMacSendOnChannel( Channels[Channel], macHdr, &fCtrl, fOpts, fPort, fBuffer, fBufferSize ); |
GregCr | 0:9be122c18509 | 899 | } |
GregCr | 0:9be122c18509 | 900 | return 5; |
GregCr | 0:9be122c18509 | 901 | } |
GregCr | 0:9be122c18509 | 902 | |
GregCr | 0:9be122c18509 | 903 | uint8_t LoRaMacPrepareFrame( ChannelParams_t channel, LoRaMacHeader_t *macHdr, LoRaMacFrameCtrl_t *fCtrl, uint8_t *fOpts, uint8_t fPort, void *fBuffer, uint16_t fBufferSize ) |
GregCr | 0:9be122c18509 | 904 | { |
GregCr | 0:9be122c18509 | 905 | uint16_t i; |
GregCr | 0:9be122c18509 | 906 | uint8_t pktHeaderLen = 0; |
GregCr | 0:9be122c18509 | 907 | uint32_t mic = 0; |
GregCr | 0:9be122c18509 | 908 | |
GregCr | 0:9be122c18509 | 909 | LoRaMacBufferPktLen = 0; |
GregCr | 0:9be122c18509 | 910 | |
GregCr | 0:9be122c18509 | 911 | NodeAckRequested = false; |
GregCr | 0:9be122c18509 | 912 | |
GregCr | 0:9be122c18509 | 913 | if( fBuffer == NULL ) |
GregCr | 0:9be122c18509 | 914 | { |
GregCr | 0:9be122c18509 | 915 | fBufferSize = 0; |
GregCr | 0:9be122c18509 | 916 | } |
GregCr | 0:9be122c18509 | 917 | |
GregCr | 0:9be122c18509 | 918 | LoRaMacBuffer[pktHeaderLen++] = macHdr->Value; |
GregCr | 0:9be122c18509 | 919 | |
GregCr | 0:9be122c18509 | 920 | switch( macHdr->Bits.MType ) |
GregCr | 0:9be122c18509 | 921 | { |
GregCr | 0:9be122c18509 | 922 | case FRAME_TYPE_JOIN_REQ: |
GregCr | 0:9be122c18509 | 923 | RxWindow1Delay = JoinAcceptDelay1 - RADIO_WAKEUP_TIME; |
GregCr | 0:9be122c18509 | 924 | RxWindow2Delay = JoinAcceptDelay2 - RADIO_WAKEUP_TIME; |
GregCr | 0:9be122c18509 | 925 | |
GregCr | 0:9be122c18509 | 926 | LoRaMacBufferPktLen = pktHeaderLen; |
GregCr | 0:9be122c18509 | 927 | |
GregCr | 0:9be122c18509 | 928 | LoRaMacMemCpy( LoRaMacAppEui, LoRaMacBuffer + LoRaMacBufferPktLen, 8 ); |
GregCr | 0:9be122c18509 | 929 | LoRaMacBufferPktLen += 8; |
GregCr | 0:9be122c18509 | 930 | LoRaMacMemCpy( LoRaMacDevEui, LoRaMacBuffer + LoRaMacBufferPktLen, 8 ); |
GregCr | 0:9be122c18509 | 931 | LoRaMacBufferPktLen += 8; |
GregCr | 0:9be122c18509 | 932 | |
GregCr | 0:9be122c18509 | 933 | LoRaMacDevNonce = Radio.Random( ); |
GregCr | 0:9be122c18509 | 934 | |
GregCr | 0:9be122c18509 | 935 | LoRaMacBuffer[LoRaMacBufferPktLen++] = LoRaMacDevNonce & 0xFF; |
GregCr | 0:9be122c18509 | 936 | LoRaMacBuffer[LoRaMacBufferPktLen++] = ( LoRaMacDevNonce >> 8 ) & 0xFF; |
GregCr | 0:9be122c18509 | 937 | |
GregCr | 0:9be122c18509 | 938 | LoRaMacJoinComputeMic( LoRaMacBuffer, LoRaMacBufferPktLen & 0xFF, LoRaMacAppKey, &mic ); |
GregCr | 0:9be122c18509 | 939 | |
GregCr | 0:9be122c18509 | 940 | LoRaMacBuffer[LoRaMacBufferPktLen++] = mic & 0xFF; |
GregCr | 0:9be122c18509 | 941 | LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 8 ) & 0xFF; |
GregCr | 0:9be122c18509 | 942 | LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 16 ) & 0xFF; |
GregCr | 0:9be122c18509 | 943 | LoRaMacBuffer[LoRaMacBufferPktLen++] = ( mic >> 24 ) & 0xFF; |
GregCr | 0:9be122c18509 | 944 | |
GregCr | 0:9be122c18509 | 945 | break; |
GregCr | 0:9be122c18509 | 946 | case FRAME_TYPE_DATA_CONFIRMED_UP: |
GregCr | 0:9be122c18509 | 947 | NodeAckRequested = true; |
GregCr | 0:9be122c18509 | 948 | //Intentional falltrough |
GregCr | 0:9be122c18509 | 949 | case FRAME_TYPE_DATA_UNCONFIRMED_UP: |
GregCr | 0:9be122c18509 | 950 | if( IsLoRaMacNetworkJoined == false ) |
GregCr | 0:9be122c18509 | 951 | { |
GregCr | 0:9be122c18509 | 952 | return 2; // No network has been joined yet |
GregCr | 0:9be122c18509 | 953 | } |
GregCr | 0:9be122c18509 | 954 | |
GregCr | 0:9be122c18509 | 955 | RxWindow1Delay = ReceiveDelay1 - RADIO_WAKEUP_TIME; |
GregCr | 0:9be122c18509 | 956 | RxWindow2Delay = ReceiveDelay2 - RADIO_WAKEUP_TIME; |
GregCr | 0:9be122c18509 | 957 | |
GregCr | 0:9be122c18509 | 958 | if( fOpts == NULL ) |
GregCr | 0:9be122c18509 | 959 | { |
GregCr | 0:9be122c18509 | 960 | fCtrl->Bits.FOptsLen = 0; |
GregCr | 0:9be122c18509 | 961 | } |
GregCr | 0:9be122c18509 | 962 | |
GregCr | 0:9be122c18509 | 963 | if( SrvAckRequested == true ) |
GregCr | 0:9be122c18509 | 964 | { |
GregCr | 0:9be122c18509 | 965 | SrvAckRequested = false; |
GregCr | 0:9be122c18509 | 966 | fCtrl->Bits.Ack = 1; |
GregCr | 0:9be122c18509 | 967 | } |
GregCr | 0:9be122c18509 | 968 | |
GregCr | 0:9be122c18509 | 969 | if( fCtrl->Bits.Adr == true ) |
GregCr | 0:9be122c18509 | 970 | { |
GregCr | 0:9be122c18509 | 971 | if( ChannelsDatarate == LORAMAC_MIN_DATARATE ) |
GregCr | 0:9be122c18509 | 972 | { |
GregCr | 0:9be122c18509 | 973 | AdrAckCounter = 0; |
GregCr | 0:9be122c18509 | 974 | fCtrl->Bits.AdrAckReq = false; |
GregCr | 0:9be122c18509 | 975 | } |
GregCr | 0:9be122c18509 | 976 | else |
GregCr | 0:9be122c18509 | 977 | { |
GregCr | 0:9be122c18509 | 978 | if( AdrAckCounter > ADR_ACK_LIMIT ) |
GregCr | 0:9be122c18509 | 979 | { |
GregCr | 0:9be122c18509 | 980 | fCtrl->Bits.AdrAckReq = true; |
GregCr | 0:9be122c18509 | 981 | } |
GregCr | 0:9be122c18509 | 982 | else |
GregCr | 0:9be122c18509 | 983 | { |
GregCr | 0:9be122c18509 | 984 | fCtrl->Bits.AdrAckReq = false; |
GregCr | 0:9be122c18509 | 985 | } |
GregCr | 0:9be122c18509 | 986 | if( AdrAckCounter > ( ADR_ACK_LIMIT + ADR_ACK_DELAY ) ) |
GregCr | 0:9be122c18509 | 987 | { |
GregCr | 0:9be122c18509 | 988 | AdrAckCounter = 0; |
GregCr | 0:9be122c18509 | 989 | if( ChannelsDatarate > LORAMAC_MIN_DATARATE ) |
GregCr | 0:9be122c18509 | 990 | { |
GregCr | 0:9be122c18509 | 991 | ChannelsDatarate--; |
GregCr | 0:9be122c18509 | 992 | } |
GregCr | 0:9be122c18509 | 993 | else |
GregCr | 0:9be122c18509 | 994 | { |
GregCr | 0:9be122c18509 | 995 | // Re-enable default channels LC1, LC2, LC3 |
GregCr | 0:9be122c18509 | 996 | ChannelsMask = ChannelsMask | ( LC( 1 ) + LC( 2 ) + LC( 3 ) ); |
GregCr | 0:9be122c18509 | 997 | } |
GregCr | 0:9be122c18509 | 998 | } |
GregCr | 0:9be122c18509 | 999 | } |
GregCr | 0:9be122c18509 | 1000 | } |
GregCr | 0:9be122c18509 | 1001 | |
GregCr | 0:9be122c18509 | 1002 | LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr ) & 0xFF; |
GregCr | 0:9be122c18509 | 1003 | LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 8 ) & 0xFF; |
GregCr | 0:9be122c18509 | 1004 | LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 16 ) & 0xFF; |
GregCr | 0:9be122c18509 | 1005 | LoRaMacBuffer[pktHeaderLen++] = ( LoRaMacDevAddr >> 24 ) & 0xFF; |
GregCr | 0:9be122c18509 | 1006 | |
GregCr | 0:9be122c18509 | 1007 | LoRaMacBuffer[pktHeaderLen++] = fCtrl->Value; |
GregCr | 0:9be122c18509 | 1008 | |
GregCr | 0:9be122c18509 | 1009 | LoRaMacBuffer[pktHeaderLen++] = UpLinkCounter & 0xFF; |
GregCr | 0:9be122c18509 | 1010 | LoRaMacBuffer[pktHeaderLen++] = ( UpLinkCounter >> 8 ) & 0xFF; |
GregCr | 0:9be122c18509 | 1011 | |
GregCr | 0:9be122c18509 | 1012 | if( fOpts != NULL ) |
GregCr | 0:9be122c18509 | 1013 | { |
GregCr | 0:9be122c18509 | 1014 | for( i = 0; i < fCtrl->Bits.FOptsLen; i++ ) |
GregCr | 0:9be122c18509 | 1015 | { |
GregCr | 0:9be122c18509 | 1016 | LoRaMacBuffer[pktHeaderLen++] = fOpts[i]; |
GregCr | 0:9be122c18509 | 1017 | } |
GregCr | 0:9be122c18509 | 1018 | } |
GregCr | 0:9be122c18509 | 1019 | if( ( MacCommandsBufferIndex + fCtrl->Bits.FOptsLen ) <= 15 ) |
GregCr | 0:9be122c18509 | 1020 | { |
GregCr | 0:9be122c18509 | 1021 | if( MacCommandsInNextTx == true ) |
GregCr | 0:9be122c18509 | 1022 | { |
GregCr | 0:9be122c18509 | 1023 | fCtrl->Bits.FOptsLen += MacCommandsBufferIndex; |
GregCr | 0:9be122c18509 | 1024 | |
GregCr | 0:9be122c18509 | 1025 | // Update FCtrl field with new value of OptionsLength |
GregCr | 0:9be122c18509 | 1026 | LoRaMacBuffer[0x05] = fCtrl->Value; |
GregCr | 0:9be122c18509 | 1027 | for( i = 0; i < MacCommandsBufferIndex; i++ ) |
GregCr | 0:9be122c18509 | 1028 | { |
GregCr | 0:9be122c18509 | 1029 | LoRaMacBuffer[pktHeaderLen++] = MacCommandsBuffer[i]; |
GregCr | 0:9be122c18509 | 1030 | } |
GregCr | 0:9be122c18509 | 1031 | } |
GregCr | 0:9be122c18509 | 1032 | MacCommandsInNextTx = false; |
GregCr | 0:9be122c18509 | 1033 | MacCommandsBufferIndex = 0; |
GregCr | 0:9be122c18509 | 1034 | } |
GregCr | 0:9be122c18509 | 1035 | |
GregCr | 0:9be122c18509 | 1036 | if( ( pktHeaderLen + fBufferSize ) > LORAMAC_PHY_MAXPAYLOAD ) |
GregCr | 0:9be122c18509 | 1037 | { |
GregCr | 0:9be122c18509 | 1038 | return 3; |
GregCr | 0:9be122c18509 | 1039 | } |
GregCr | 0:9be122c18509 | 1040 | |
GregCr | 0:9be122c18509 | 1041 | if( fBuffer != NULL ) |
GregCr | 0:9be122c18509 | 1042 | { |
GregCr | 0:9be122c18509 | 1043 | LoRaMacBuffer[pktHeaderLen] = fPort; |
GregCr | 0:9be122c18509 | 1044 | |
GregCr | 0:9be122c18509 | 1045 | if( fPort == 0 ) |
GregCr | 0:9be122c18509 | 1046 | { |
GregCr | 0:9be122c18509 | 1047 | LoRaMacPayloadEncrypt( (uint8_t*)fBuffer, fBufferSize, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, LoRaMacPayload ); |
GregCr | 0:9be122c18509 | 1048 | } |
GregCr | 0:9be122c18509 | 1049 | else |
GregCr | 0:9be122c18509 | 1050 | { |
GregCr | 0:9be122c18509 | 1051 | LoRaMacPayloadEncrypt( (uint8_t*)fBuffer, fBufferSize, LoRaMacAppSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, LoRaMacPayload ); |
GregCr | 0:9be122c18509 | 1052 | } |
GregCr | 0:9be122c18509 | 1053 | LoRaMacMemCpy( LoRaMacPayload, LoRaMacBuffer + pktHeaderLen + 1, fBufferSize ); |
GregCr | 0:9be122c18509 | 1054 | } |
GregCr | 0:9be122c18509 | 1055 | LoRaMacBufferPktLen = pktHeaderLen + 1 + fBufferSize; |
GregCr | 0:9be122c18509 | 1056 | |
GregCr | 0:9be122c18509 | 1057 | LoRaMacComputeMic( LoRaMacBuffer, LoRaMacBufferPktLen, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, &mic ); |
GregCr | 0:9be122c18509 | 1058 | |
GregCr | 0:9be122c18509 | 1059 | if( ( LoRaMacBufferPktLen + LORAMAC_MFR_LEN ) > LORAMAC_PHY_MAXPAYLOAD ) |
GregCr | 0:9be122c18509 | 1060 | { |
GregCr | 0:9be122c18509 | 1061 | return 3; |
GregCr | 0:9be122c18509 | 1062 | } |
GregCr | 0:9be122c18509 | 1063 | LoRaMacBuffer[LoRaMacBufferPktLen + 0] = mic & 0xFF; |
GregCr | 0:9be122c18509 | 1064 | LoRaMacBuffer[LoRaMacBufferPktLen + 1] = ( mic >> 8 ) & 0xFF; |
GregCr | 0:9be122c18509 | 1065 | LoRaMacBuffer[LoRaMacBufferPktLen + 2] = ( mic >> 16 ) & 0xFF; |
GregCr | 0:9be122c18509 | 1066 | LoRaMacBuffer[LoRaMacBufferPktLen + 3] = ( mic >> 24 ) & 0xFF; |
GregCr | 0:9be122c18509 | 1067 | |
GregCr | 0:9be122c18509 | 1068 | LoRaMacBufferPktLen += LORAMAC_MFR_LEN; |
GregCr | 0:9be122c18509 | 1069 | break; |
GregCr | 0:9be122c18509 | 1070 | default: |
GregCr | 0:9be122c18509 | 1071 | return 4; |
GregCr | 0:9be122c18509 | 1072 | } |
GregCr | 0:9be122c18509 | 1073 | |
GregCr | 0:9be122c18509 | 1074 | return 0; |
GregCr | 0:9be122c18509 | 1075 | } |
GregCr | 0:9be122c18509 | 1076 | |
GregCr | 0:9be122c18509 | 1077 | uint8_t LoRaMacSendFrameOnChannel( ChannelParams_t channel ) |
GregCr | 0:9be122c18509 | 1078 | { |
GregCr | 0:9be122c18509 | 1079 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ERROR; |
GregCr | 0:9be122c18509 | 1080 | LoRaMacEventInfo.TxDatarate = Datarates[ChannelsDatarate]; |
GregCr | 0:9be122c18509 | 1081 | |
GregCr | 0:9be122c18509 | 1082 | Radio.SetChannel( channel.Frequency ); |
GregCr | 0:9be122c18509 | 1083 | |
GregCr | 0:9be122c18509 | 1084 | if( ChannelsDatarate == DR_7 ) |
GregCr | 0:9be122c18509 | 1085 | { // High Speed FSK channel |
GregCr | 0:9be122c18509 | 1086 | Radio.SetTxConfig( MODEM_FSK, TxPowers[ChannelsTxPower], 25e3, 0, Datarates[ChannelsDatarate] * 1e3, 0, 5, false, true, 0, 0, false, 3e6 ); |
GregCr | 0:9be122c18509 | 1087 | TxTimeOnAir = Radio.TimeOnAir( MODEM_FSK, LoRaMacBufferPktLen ); |
GregCr | 0:9be122c18509 | 1088 | } |
GregCr | 0:9be122c18509 | 1089 | else if( ChannelsDatarate == DR_6 ) |
GregCr | 0:9be122c18509 | 1090 | { // High speed LoRa channel |
GregCr | 0:9be122c18509 | 1091 | Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 1, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 ); |
GregCr | 0:9be122c18509 | 1092 | TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen ); |
GregCr | 0:9be122c18509 | 1093 | } |
GregCr | 0:9be122c18509 | 1094 | else |
GregCr | 0:9be122c18509 | 1095 | { // Normal LoRa channel |
GregCr | 0:9be122c18509 | 1096 | Radio.SetTxConfig( MODEM_LORA, TxPowers[ChannelsTxPower], 0, 0, Datarates[ChannelsDatarate], 1, 8, false, true, 0, 0, false, 3e6 ); |
GregCr | 0:9be122c18509 | 1097 | TxTimeOnAir = Radio.TimeOnAir( MODEM_LORA, LoRaMacBufferPktLen ); |
GregCr | 0:9be122c18509 | 1098 | } |
GregCr | 0:9be122c18509 | 1099 | |
GregCr | 0:9be122c18509 | 1100 | if( MaxDCycle == 255 ) |
GregCr | 0:9be122c18509 | 1101 | { |
GregCr | 0:9be122c18509 | 1102 | return 6; |
GregCr | 0:9be122c18509 | 1103 | } |
GregCr | 0:9be122c18509 | 1104 | if( MaxDCycle == 0 ) |
GregCr | 0:9be122c18509 | 1105 | { |
GregCr | 0:9be122c18509 | 1106 | AggregatedTimeOff = 0; |
GregCr | 0:9be122c18509 | 1107 | } |
GregCr | 0:9be122c18509 | 1108 | |
GregCr | 0:9be122c18509 | 1109 | LoRaMacState |= MAC_TX_RUNNING; |
GregCr | 0:9be122c18509 | 1110 | // Starts the MAC layer status check timer |
GregCr | 0:9be122c18509 | 1111 | MacStateCheckTimer.attach_us( &OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT ); |
GregCr | 0:9be122c18509 | 1112 | |
GregCr | 0:9be122c18509 | 1113 | if( MAX( Bands[channel.Band].TimeOff, AggregatedTimeOff ) > ( TimerGetCurrentTime( ) ) ) |
GregCr | 0:9be122c18509 | 1114 | { |
GregCr | 0:9be122c18509 | 1115 | // Schedule transmission |
GregCr | 0:9be122c18509 | 1116 | TxDelayedTimer.attach_us( &OnTxDelayedTimerEvent, MAX( Bands[channel.Band].TimeOff, AggregatedTimeOff ) ); |
GregCr | 0:9be122c18509 | 1117 | } |
GregCr | 0:9be122c18509 | 1118 | else |
GregCr | 0:9be122c18509 | 1119 | { |
GregCr | 0:9be122c18509 | 1120 | // Send now |
GregCr | 0:9be122c18509 | 1121 | Radio.Send( LoRaMacBuffer, LoRaMacBufferPktLen ); |
GregCr | 0:9be122c18509 | 1122 | } |
GregCr | 0:9be122c18509 | 1123 | return 0; |
GregCr | 0:9be122c18509 | 1124 | } |
GregCr | 0:9be122c18509 | 1125 | |
GregCr | 0:9be122c18509 | 1126 | |
GregCr | 0:9be122c18509 | 1127 | void OnTxDelayedTimerEvent( void ) |
GregCr | 0:9be122c18509 | 1128 | { |
GregCr | 2:737ad7fbc97e | 1129 | TxDelayedTimer.detach( ); |
GregCr | 0:9be122c18509 | 1130 | Radio.Send( LoRaMacBuffer, LoRaMacBufferPktLen ); |
GregCr | 0:9be122c18509 | 1131 | } |
GregCr | 0:9be122c18509 | 1132 | |
GregCr | 0:9be122c18509 | 1133 | uint8_t LoRaMacSendOnChannel( ChannelParams_t channel, LoRaMacHeader_t *macHdr, LoRaMacFrameCtrl_t *fCtrl, uint8_t *fOpts, uint8_t fPort, void *fBuffer, uint16_t fBufferSize ) |
GregCr | 0:9be122c18509 | 1134 | { |
GregCr | 0:9be122c18509 | 1135 | uint8_t status = 0; |
GregCr | 0:9be122c18509 | 1136 | |
GregCr | 0:9be122c18509 | 1137 | if( ( LoRaMacState & MAC_TX_RUNNING ) == MAC_TX_RUNNING ) |
GregCr | 0:9be122c18509 | 1138 | { |
GregCr | 0:9be122c18509 | 1139 | return 1; // MAC is busy transmitting a previous frame |
GregCr | 0:9be122c18509 | 1140 | } |
GregCr | 0:9be122c18509 | 1141 | |
GregCr | 0:9be122c18509 | 1142 | status = LoRaMacPrepareFrame( channel, macHdr, fCtrl, fOpts, fPort, fBuffer, fBufferSize ); |
GregCr | 0:9be122c18509 | 1143 | if( status != 0 ) |
GregCr | 0:9be122c18509 | 1144 | { |
GregCr | 0:9be122c18509 | 1145 | return status; |
GregCr | 0:9be122c18509 | 1146 | } |
GregCr | 0:9be122c18509 | 1147 | |
GregCr | 0:9be122c18509 | 1148 | LoRaMacEventInfo.TxNbRetries = 0; |
GregCr | 0:9be122c18509 | 1149 | LoRaMacEventInfo.TxAckReceived = false; |
GregCr | 0:9be122c18509 | 1150 | |
GregCr | 0:9be122c18509 | 1151 | return LoRaMacSendFrameOnChannel( channel ); |
GregCr | 0:9be122c18509 | 1152 | } |
GregCr | 0:9be122c18509 | 1153 | |
GregCr | 0:9be122c18509 | 1154 | static void LoRaMacProcessMacCommands( uint8_t *payload, uint8_t macIndex, uint8_t commandsSize ) |
GregCr | 0:9be122c18509 | 1155 | { |
GregCr | 0:9be122c18509 | 1156 | while( macIndex < commandsSize ) |
GregCr | 0:9be122c18509 | 1157 | { |
pzheng | 9:b3ddbad8c5e3 | 1158 | //Added by pzheng 20151112 |
pzheng | 9:b3ddbad8c5e3 | 1159 | debug( "_LoRaMacProcessMacCommands = 0x%x\n\r", payload[macIndex]); |
pzheng | 9:b3ddbad8c5e3 | 1160 | |
GregCr | 0:9be122c18509 | 1161 | // Decode Frame MAC commands |
GregCr | 0:9be122c18509 | 1162 | switch( payload[macIndex++] ) |
GregCr | 0:9be122c18509 | 1163 | { |
GregCr | 0:9be122c18509 | 1164 | case SRV_MAC_LINK_CHECK_ANS: |
GregCr | 0:9be122c18509 | 1165 | LoRaMacEventFlags.Bits.LinkCheck = 1; |
GregCr | 0:9be122c18509 | 1166 | LoRaMacEventInfo.DemodMargin = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1167 | LoRaMacEventInfo.NbGateways = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1168 | break; |
GregCr | 0:9be122c18509 | 1169 | case SRV_MAC_LINK_ADR_REQ: |
GregCr | 0:9be122c18509 | 1170 | { |
GregCr | 0:9be122c18509 | 1171 | uint8_t i; |
GregCr | 0:9be122c18509 | 1172 | uint8_t status = 0x07; |
GregCr | 0:9be122c18509 | 1173 | uint16_t chMask = 0; |
GregCr | 0:9be122c18509 | 1174 | int8_t txPower = 0; |
GregCr | 0:9be122c18509 | 1175 | int8_t datarate = 0; |
GregCr | 0:9be122c18509 | 1176 | uint8_t nbRep = 0; |
GregCr | 0:9be122c18509 | 1177 | uint8_t chMaskCntl = 0; |
GregCr | 0:9be122c18509 | 1178 | |
GregCr | 0:9be122c18509 | 1179 | datarate = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1180 | txPower = datarate & 0x0F; |
GregCr | 0:9be122c18509 | 1181 | datarate = ( datarate >> 4 ) & 0x0F; |
GregCr | 0:9be122c18509 | 1182 | |
GregCr | 0:9be122c18509 | 1183 | if( ( AdrCtrlOn == false ) && |
GregCr | 0:9be122c18509 | 1184 | ( ( ChannelsDatarate != datarate ) || ( ChannelsTxPower != txPower ) ) ) |
GregCr | 0:9be122c18509 | 1185 | { // ADR disabled don't handle ADR requests if server tries to change datarate or txpower |
GregCr | 0:9be122c18509 | 1186 | // Answer the server with fail status |
GregCr | 0:9be122c18509 | 1187 | // Power ACK = 0 |
GregCr | 0:9be122c18509 | 1188 | // Data rate ACK = 0 |
GregCr | 0:9be122c18509 | 1189 | // Channel mask = 0 |
GregCr | 0:9be122c18509 | 1190 | AddMacCommand( MOTE_MAC_LINK_ADR_ANS, 0, 0 ); |
GregCr | 0:9be122c18509 | 1191 | break; |
GregCr | 0:9be122c18509 | 1192 | } |
GregCr | 0:9be122c18509 | 1193 | chMask = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1194 | chMask |= payload[macIndex++] << 8; |
GregCr | 0:9be122c18509 | 1195 | |
GregCr | 0:9be122c18509 | 1196 | nbRep = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1197 | chMaskCntl = ( nbRep >> 4 ) & 0x07; |
GregCr | 0:9be122c18509 | 1198 | nbRep &= 0x0F; |
GregCr | 0:9be122c18509 | 1199 | if( nbRep == 0 ) |
GregCr | 0:9be122c18509 | 1200 | { |
GregCr | 0:9be122c18509 | 1201 | nbRep = 1; |
GregCr | 0:9be122c18509 | 1202 | } |
GregCr | 0:9be122c18509 | 1203 | if( ( chMaskCntl == 0 ) && ( chMask == 0 ) ) |
GregCr | 0:9be122c18509 | 1204 | { |
GregCr | 0:9be122c18509 | 1205 | status &= 0xFE; // Channel mask KO |
GregCr | 0:9be122c18509 | 1206 | } |
GregCr | 0:9be122c18509 | 1207 | else |
GregCr | 0:9be122c18509 | 1208 | { |
GregCr | 0:9be122c18509 | 1209 | for( i = 0; i < LORA_MAX_NB_CHANNELS; i++ ) |
GregCr | 0:9be122c18509 | 1210 | { |
GregCr | 0:9be122c18509 | 1211 | if( chMaskCntl == 6 ) |
GregCr | 0:9be122c18509 | 1212 | { |
GregCr | 0:9be122c18509 | 1213 | if( Channels[i].Frequency != 0 ) |
GregCr | 0:9be122c18509 | 1214 | { |
GregCr | 0:9be122c18509 | 1215 | chMask |= 1 << i; |
GregCr | 0:9be122c18509 | 1216 | } |
GregCr | 0:9be122c18509 | 1217 | } |
GregCr | 0:9be122c18509 | 1218 | else |
GregCr | 0:9be122c18509 | 1219 | { |
GregCr | 0:9be122c18509 | 1220 | if( ( ( chMask & ( 1 << i ) ) != 0 ) && |
GregCr | 0:9be122c18509 | 1221 | ( Channels[i].Frequency == 0 ) ) |
GregCr | 0:9be122c18509 | 1222 | {// Trying to enable an undefined channel |
GregCr | 0:9be122c18509 | 1223 | status &= 0xFE; // Channel mask KO |
GregCr | 0:9be122c18509 | 1224 | } |
GregCr | 0:9be122c18509 | 1225 | } |
GregCr | 0:9be122c18509 | 1226 | } |
GregCr | 0:9be122c18509 | 1227 | } |
GregCr | 0:9be122c18509 | 1228 | if( ( ( datarate < LORAMAC_MIN_DATARATE ) || |
GregCr | 0:9be122c18509 | 1229 | ( datarate > LORAMAC_MAX_DATARATE ) ) == true ) |
GregCr | 0:9be122c18509 | 1230 | { |
GregCr | 0:9be122c18509 | 1231 | status &= 0xFD; // Datarate KO |
GregCr | 0:9be122c18509 | 1232 | } |
GregCr | 0:9be122c18509 | 1233 | |
GregCr | 0:9be122c18509 | 1234 | // |
GregCr | 0:9be122c18509 | 1235 | // Remark MaxTxPower = 0 and MinTxPower = 5 |
GregCr | 0:9be122c18509 | 1236 | // |
GregCr | 0:9be122c18509 | 1237 | if( ( ( LORAMAC_MAX_TX_POWER <= txPower ) && |
GregCr | 0:9be122c18509 | 1238 | ( txPower <= LORAMAC_MIN_TX_POWER ) ) == false ) |
GregCr | 0:9be122c18509 | 1239 | { |
GregCr | 0:9be122c18509 | 1240 | status &= 0xFB; // TxPower KO |
GregCr | 0:9be122c18509 | 1241 | } |
GregCr | 0:9be122c18509 | 1242 | if( ( status & 0x07 ) == 0x07 ) |
GregCr | 0:9be122c18509 | 1243 | { |
GregCr | 0:9be122c18509 | 1244 | ChannelsDatarate = datarate; |
GregCr | 0:9be122c18509 | 1245 | ChannelsTxPower = txPower; |
GregCr | 0:9be122c18509 | 1246 | ChannelsMask = chMask; |
GregCr | 0:9be122c18509 | 1247 | ChannelsNbRep = nbRep; |
GregCr | 0:9be122c18509 | 1248 | } |
GregCr | 0:9be122c18509 | 1249 | AddMacCommand( MOTE_MAC_LINK_ADR_ANS, status, 0 ); |
GregCr | 0:9be122c18509 | 1250 | } |
GregCr | 0:9be122c18509 | 1251 | break; |
GregCr | 0:9be122c18509 | 1252 | case SRV_MAC_DUTY_CYCLE_REQ: |
GregCr | 0:9be122c18509 | 1253 | MaxDCycle = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1254 | AggregatedDCycle = 1 << MaxDCycle; |
GregCr | 0:9be122c18509 | 1255 | AddMacCommand( MOTE_MAC_DUTY_CYCLE_ANS, 0, 0 ); |
GregCr | 0:9be122c18509 | 1256 | break; |
GregCr | 0:9be122c18509 | 1257 | case SRV_MAC_RX_PARAM_SETUP_REQ: |
GregCr | 0:9be122c18509 | 1258 | { |
GregCr | 0:9be122c18509 | 1259 | uint8_t status = 0x07; |
GregCr | 0:9be122c18509 | 1260 | int8_t datarate = 0; |
GregCr | 0:9be122c18509 | 1261 | int8_t drOffset = 0; |
GregCr | 0:9be122c18509 | 1262 | uint32_t freq = 0; |
GregCr | 0:9be122c18509 | 1263 | |
GregCr | 0:9be122c18509 | 1264 | drOffset = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1265 | datarate = drOffset & 0x0F; |
GregCr | 0:9be122c18509 | 1266 | drOffset = ( drOffset >> 4 ) & 0x0F; |
GregCr | 0:9be122c18509 | 1267 | |
GregCr | 0:9be122c18509 | 1268 | freq = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1269 | freq |= payload[macIndex++] << 8; |
GregCr | 0:9be122c18509 | 1270 | freq |= payload[macIndex++] << 16; |
GregCr | 0:9be122c18509 | 1271 | freq *= 100; |
GregCr | 0:9be122c18509 | 1272 | |
GregCr | 0:9be122c18509 | 1273 | if( Radio.CheckRfFrequency( freq ) == false ) |
GregCr | 0:9be122c18509 | 1274 | { |
GregCr | 0:9be122c18509 | 1275 | status &= 0xFE; // Channel frequency KO |
GregCr | 0:9be122c18509 | 1276 | } |
GregCr | 0:9be122c18509 | 1277 | |
GregCr | 0:9be122c18509 | 1278 | if( ( ( datarate < LORAMAC_MIN_DATARATE ) || |
GregCr | 0:9be122c18509 | 1279 | ( datarate > LORAMAC_MAX_DATARATE ) ) == true ) |
GregCr | 0:9be122c18509 | 1280 | { |
GregCr | 0:9be122c18509 | 1281 | status &= 0xFD; // Datarate KO |
GregCr | 0:9be122c18509 | 1282 | } |
GregCr | 0:9be122c18509 | 1283 | |
GregCr | 0:9be122c18509 | 1284 | if( ( ( drOffset < 0 ) || ( drOffset > 5 ) ) == true ) |
GregCr | 0:9be122c18509 | 1285 | { |
GregCr | 0:9be122c18509 | 1286 | status &= 0xFB; // Rx1DrOffset range KO |
GregCr | 0:9be122c18509 | 1287 | } |
GregCr | 0:9be122c18509 | 1288 | |
GregCr | 0:9be122c18509 | 1289 | if( ( status & 0x07 ) == 0x07 ) |
GregCr | 0:9be122c18509 | 1290 | { |
GregCr | 0:9be122c18509 | 1291 | Rx2Channel.Datarate = datarate; |
GregCr | 0:9be122c18509 | 1292 | Rx2Channel.Frequency = freq; |
GregCr | 0:9be122c18509 | 1293 | Rx1DrOffset = drOffset; |
GregCr | 0:9be122c18509 | 1294 | } |
GregCr | 0:9be122c18509 | 1295 | AddMacCommand( MOTE_MAC_RX_PARAM_SETUP_ANS, status, 0 ); |
GregCr | 0:9be122c18509 | 1296 | } |
GregCr | 0:9be122c18509 | 1297 | break; |
GregCr | 0:9be122c18509 | 1298 | case SRV_MAC_DEV_STATUS_REQ: |
GregCr | 0:9be122c18509 | 1299 | AddMacCommand( MOTE_MAC_DEV_STATUS_ANS, BoardMeasureBatterieLevel( ), LoRaMacEventInfo.RxSnr ); |
GregCr | 0:9be122c18509 | 1300 | break; |
GregCr | 0:9be122c18509 | 1301 | case SRV_MAC_NEW_CHANNEL_REQ: |
GregCr | 0:9be122c18509 | 1302 | { |
GregCr | 0:9be122c18509 | 1303 | uint8_t status = 0x03; |
GregCr | 0:9be122c18509 | 1304 | int8_t channelIndex = 0; |
GregCr | 0:9be122c18509 | 1305 | ChannelParams_t chParam; |
GregCr | 0:9be122c18509 | 1306 | |
GregCr | 0:9be122c18509 | 1307 | channelIndex = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1308 | chParam.Frequency = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1309 | chParam.Frequency |= payload[macIndex++] << 8; |
GregCr | 0:9be122c18509 | 1310 | chParam.Frequency |= payload[macIndex++] << 16; |
GregCr | 0:9be122c18509 | 1311 | chParam.Frequency *= 100; |
GregCr | 0:9be122c18509 | 1312 | chParam.DrRange.Value = payload[macIndex++]; |
GregCr | 0:9be122c18509 | 1313 | |
GregCr | 0:9be122c18509 | 1314 | if( ( channelIndex < 3 ) || ( channelIndex > LORA_MAX_NB_CHANNELS ) ) |
GregCr | 0:9be122c18509 | 1315 | { |
GregCr | 0:9be122c18509 | 1316 | status &= 0xFE; // Channel frequency KO |
GregCr | 0:9be122c18509 | 1317 | } |
GregCr | 0:9be122c18509 | 1318 | |
GregCr | 0:9be122c18509 | 1319 | if( Radio.CheckRfFrequency( chParam.Frequency ) == false ) |
GregCr | 0:9be122c18509 | 1320 | { |
GregCr | 0:9be122c18509 | 1321 | status &= 0xFE; // Channel frequency KO |
GregCr | 0:9be122c18509 | 1322 | } |
GregCr | 0:9be122c18509 | 1323 | |
GregCr | 0:9be122c18509 | 1324 | if( ( chParam.DrRange.Fields.Min > chParam.DrRange.Fields.Max ) || |
GregCr | 0:9be122c18509 | 1325 | ( ( ( LORAMAC_MIN_DATARATE <= chParam.DrRange.Fields.Min ) && |
GregCr | 0:9be122c18509 | 1326 | ( chParam.DrRange.Fields.Min <= LORAMAC_MAX_DATARATE ) ) == false ) || |
GregCr | 0:9be122c18509 | 1327 | ( ( ( LORAMAC_MIN_DATARATE <= chParam.DrRange.Fields.Max ) && |
GregCr | 0:9be122c18509 | 1328 | ( chParam.DrRange.Fields.Max <= LORAMAC_MAX_DATARATE ) ) == false ) ) |
GregCr | 0:9be122c18509 | 1329 | { |
GregCr | 0:9be122c18509 | 1330 | status &= 0xFD; // Datarate range KO |
GregCr | 0:9be122c18509 | 1331 | } |
GregCr | 0:9be122c18509 | 1332 | if( ( status & 0x03 ) == 0x03 ) |
GregCr | 0:9be122c18509 | 1333 | { |
GregCr | 0:9be122c18509 | 1334 | LoRaMacSetChannel( channelIndex, chParam ); |
GregCr | 0:9be122c18509 | 1335 | } |
GregCr | 0:9be122c18509 | 1336 | AddMacCommand( MOTE_MAC_NEW_CHANNEL_ANS, status, 0 ); |
GregCr | 0:9be122c18509 | 1337 | } |
GregCr | 0:9be122c18509 | 1338 | break; |
GregCr | 0:9be122c18509 | 1339 | case SRV_MAC_RX_TIMING_SETUP_REQ: |
GregCr | 0:9be122c18509 | 1340 | { |
GregCr | 0:9be122c18509 | 1341 | uint8_t delay = payload[macIndex++] & 0x0F; |
GregCr | 0:9be122c18509 | 1342 | |
GregCr | 0:9be122c18509 | 1343 | if( delay == 0 ) |
GregCr | 0:9be122c18509 | 1344 | { |
GregCr | 0:9be122c18509 | 1345 | delay++; |
GregCr | 0:9be122c18509 | 1346 | } |
GregCr | 0:9be122c18509 | 1347 | ReceiveDelay1 = delay * 1e6; |
GregCr | 0:9be122c18509 | 1348 | ReceiveDelay2 = ReceiveDelay1 + 1e6; |
GregCr | 0:9be122c18509 | 1349 | AddMacCommand( MOTE_MAC_RX_TIMING_SETUP_ANS, 0, 0 ); |
GregCr | 0:9be122c18509 | 1350 | } |
GregCr | 0:9be122c18509 | 1351 | break; |
GregCr | 0:9be122c18509 | 1352 | default: |
GregCr | 0:9be122c18509 | 1353 | // Unknown command. ABORT MAC commands processing |
GregCr | 0:9be122c18509 | 1354 | return; |
GregCr | 0:9be122c18509 | 1355 | } |
GregCr | 0:9be122c18509 | 1356 | } |
GregCr | 0:9be122c18509 | 1357 | } |
GregCr | 0:9be122c18509 | 1358 | |
GregCr | 0:9be122c18509 | 1359 | /*! |
GregCr | 0:9be122c18509 | 1360 | * Function to be executed on Tx Done event |
GregCr | 0:9be122c18509 | 1361 | */ |
GregCr | 0:9be122c18509 | 1362 | static void OnRadioTxDone( void ) |
GregCr | 0:9be122c18509 | 1363 | { |
GregCr | 0:9be122c18509 | 1364 | uint64_t curTime = TimerGetCurrentTime( ); |
GregCr | 0:9be122c18509 | 1365 | |
GregCr | 0:9be122c18509 | 1366 | if( LoRaMacDeviceClass != CLASS_C ) |
GregCr | 0:9be122c18509 | 1367 | { |
GregCr | 0:9be122c18509 | 1368 | Radio.Sleep( ); |
GregCr | 0:9be122c18509 | 1369 | } |
GregCr | 0:9be122c18509 | 1370 | else |
GregCr | 0:9be122c18509 | 1371 | { |
GregCr | 0:9be122c18509 | 1372 | OnRxWindow2TimerEvent( ); |
GregCr | 0:9be122c18509 | 1373 | } |
GregCr | 0:9be122c18509 | 1374 | |
GregCr | 0:9be122c18509 | 1375 | // Update Band Time OFF |
GregCr | 0:9be122c18509 | 1376 | Bands[Channels[Channel].Band].LastTxDoneTime = curTime; |
GregCr | 0:9be122c18509 | 1377 | if( DutyCycleOn == true ) |
GregCr | 0:9be122c18509 | 1378 | { |
GregCr | 0:9be122c18509 | 1379 | Bands[Channels[Channel].Band].TimeOff = TxTimeOnAir * Bands[Channels[Channel].Band].DCycle - TxTimeOnAir; |
GregCr | 0:9be122c18509 | 1380 | } |
GregCr | 0:9be122c18509 | 1381 | else |
GregCr | 0:9be122c18509 | 1382 | { |
GregCr | 0:9be122c18509 | 1383 | Bands[Channels[Channel].Band].TimeOff = 0; |
GregCr | 0:9be122c18509 | 1384 | } |
GregCr | 0:9be122c18509 | 1385 | // Update Agregated Time OFF |
GregCr | 0:9be122c18509 | 1386 | AggregatedLastTxDoneTime = curTime; |
GregCr | 0:9be122c18509 | 1387 | AggregatedTimeOff = AggregatedTimeOff + ( TxTimeOnAir * AggregatedDCycle - TxTimeOnAir ); |
GregCr | 0:9be122c18509 | 1388 | |
GregCr | 0:9be122c18509 | 1389 | if( IsRxWindowsEnabled == true ) |
GregCr | 0:9be122c18509 | 1390 | { |
GregCr | 0:9be122c18509 | 1391 | RxWindowTimer1.attach_us( &OnRxWindow1TimerEvent, RxWindow1Delay ); |
GregCr | 0:9be122c18509 | 1392 | |
GregCr | 0:9be122c18509 | 1393 | if( LoRaMacDeviceClass != CLASS_C ) |
GregCr | 0:9be122c18509 | 1394 | { |
GregCr | 0:9be122c18509 | 1395 | RxWindowTimer2.attach_us( &OnRxWindow2TimerEvent, RxWindow2Delay ); |
GregCr | 0:9be122c18509 | 1396 | } |
GregCr | 0:9be122c18509 | 1397 | } |
GregCr | 0:9be122c18509 | 1398 | else |
GregCr | 0:9be122c18509 | 1399 | { |
GregCr | 0:9be122c18509 | 1400 | LoRaMacEventFlags.Bits.Tx = 1; |
GregCr | 0:9be122c18509 | 1401 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK; |
GregCr | 0:9be122c18509 | 1402 | } |
GregCr | 0:9be122c18509 | 1403 | |
GregCr | 0:9be122c18509 | 1404 | if( NodeAckRequested == false ) |
GregCr | 0:9be122c18509 | 1405 | { |
GregCr | 0:9be122c18509 | 1406 | ChannelsNbRepCounter++; |
GregCr | 0:9be122c18509 | 1407 | } |
GregCr | 0:9be122c18509 | 1408 | } |
GregCr | 0:9be122c18509 | 1409 | |
GregCr | 0:9be122c18509 | 1410 | /*! |
GregCr | 0:9be122c18509 | 1411 | * Function to be executed on Rx Done event |
GregCr | 0:9be122c18509 | 1412 | */ |
GregCr | 0:9be122c18509 | 1413 | static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr ) |
GregCr | 0:9be122c18509 | 1414 | { |
GregCr | 0:9be122c18509 | 1415 | LoRaMacHeader_t macHdr; |
GregCr | 0:9be122c18509 | 1416 | LoRaMacFrameCtrl_t fCtrl; |
GregCr | 0:9be122c18509 | 1417 | |
GregCr | 0:9be122c18509 | 1418 | uint8_t pktHeaderLen = 0; |
GregCr | 0:9be122c18509 | 1419 | uint32_t address = 0; |
GregCr | 0:9be122c18509 | 1420 | uint16_t sequenceCounter = 0; |
GregCr | 0:9be122c18509 | 1421 | int32_t sequence = 0; |
GregCr | 0:9be122c18509 | 1422 | uint8_t appPayloadStartIndex = 0; |
GregCr | 0:9be122c18509 | 1423 | uint8_t port = 0xFF; |
GregCr | 0:9be122c18509 | 1424 | uint8_t frameLen = 0; |
GregCr | 0:9be122c18509 | 1425 | uint32_t mic = 0; |
GregCr | 0:9be122c18509 | 1426 | uint32_t micRx = 0; |
GregCr | 0:9be122c18509 | 1427 | |
GregCr | 0:9be122c18509 | 1428 | MulticastParams_t *curMulticastParams = NULL; |
GregCr | 0:9be122c18509 | 1429 | uint8_t *nwkSKey = LoRaMacNwkSKey; |
GregCr | 0:9be122c18509 | 1430 | uint8_t *appSKey = LoRaMacAppSKey; |
GregCr | 0:9be122c18509 | 1431 | uint32_t downLinkCounter = 0; |
GregCr | 0:9be122c18509 | 1432 | |
GregCr | 0:9be122c18509 | 1433 | bool isMicOk = false; |
GregCr | 0:9be122c18509 | 1434 | |
GregCr | 0:9be122c18509 | 1435 | if( LoRaMacDeviceClass != CLASS_C ) |
GregCr | 0:9be122c18509 | 1436 | { |
GregCr | 0:9be122c18509 | 1437 | Radio.Sleep( ); |
GregCr | 0:9be122c18509 | 1438 | } |
GregCr | 0:9be122c18509 | 1439 | else |
GregCr | 0:9be122c18509 | 1440 | { |
GregCr | 0:9be122c18509 | 1441 | if( LoRaMacEventFlags.Bits.RxSlot == 0 ) |
GregCr | 0:9be122c18509 | 1442 | { |
GregCr | 0:9be122c18509 | 1443 | OnRxWindow2TimerEvent( ); |
GregCr | 0:9be122c18509 | 1444 | } |
GregCr | 0:9be122c18509 | 1445 | } |
GregCr | 2:737ad7fbc97e | 1446 | RxWindowTimer2.detach( ); // Timer is removed anyway in functions above |
GregCr | 0:9be122c18509 | 1447 | |
GregCr | 0:9be122c18509 | 1448 | macHdr.Value = payload[pktHeaderLen++]; |
GregCr | 0:9be122c18509 | 1449 | |
GregCr | 0:9be122c18509 | 1450 | switch( macHdr.Bits.MType ) |
GregCr | 0:9be122c18509 | 1451 | { |
GregCr | 0:9be122c18509 | 1452 | case FRAME_TYPE_JOIN_ACCEPT: |
GregCr | 0:9be122c18509 | 1453 | if( IsLoRaMacNetworkJoined == true ) |
GregCr | 0:9be122c18509 | 1454 | { |
GregCr | 0:9be122c18509 | 1455 | break; |
GregCr | 0:9be122c18509 | 1456 | } |
GregCr | 0:9be122c18509 | 1457 | LoRaMacJoinDecrypt( payload + 1, size - 1, LoRaMacAppKey, LoRaMacRxPayload + 1 ); |
GregCr | 0:9be122c18509 | 1458 | |
GregCr | 0:9be122c18509 | 1459 | LoRaMacRxPayload[0] = macHdr.Value; |
GregCr | 0:9be122c18509 | 1460 | |
GregCr | 0:9be122c18509 | 1461 | LoRaMacJoinComputeMic( LoRaMacRxPayload, size - LORAMAC_MFR_LEN, LoRaMacAppKey, &mic ); |
GregCr | 0:9be122c18509 | 1462 | |
GregCr | 0:9be122c18509 | 1463 | micRx |= LoRaMacRxPayload[size - LORAMAC_MFR_LEN]; |
GregCr | 0:9be122c18509 | 1464 | micRx |= ( LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 1] << 8 ); |
GregCr | 0:9be122c18509 | 1465 | micRx |= ( LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 2] << 16 ); |
GregCr | 0:9be122c18509 | 1466 | micRx |= ( LoRaMacRxPayload[size - LORAMAC_MFR_LEN + 3] << 24 ); |
GregCr | 0:9be122c18509 | 1467 | |
GregCr | 0:9be122c18509 | 1468 | if( micRx == mic ) |
GregCr | 0:9be122c18509 | 1469 | { |
GregCr | 0:9be122c18509 | 1470 | LoRaMacEventFlags.Bits.Rx = 1; |
GregCr | 0:9be122c18509 | 1471 | LoRaMacEventInfo.RxSnr = snr; |
GregCr | 0:9be122c18509 | 1472 | LoRaMacEventInfo.RxRssi = rssi; |
GregCr | 0:9be122c18509 | 1473 | |
GregCr | 0:9be122c18509 | 1474 | LoRaMacJoinComputeSKeys( LoRaMacAppKey, LoRaMacRxPayload + 1, LoRaMacDevNonce, LoRaMacNwkSKey, LoRaMacAppSKey ); |
GregCr | 0:9be122c18509 | 1475 | |
GregCr | 0:9be122c18509 | 1476 | LoRaMacNetID = LoRaMacRxPayload[4]; |
GregCr | 0:9be122c18509 | 1477 | LoRaMacNetID |= ( LoRaMacRxPayload[5] << 8 ); |
GregCr | 0:9be122c18509 | 1478 | LoRaMacNetID |= ( LoRaMacRxPayload[6] << 16 ); |
GregCr | 0:9be122c18509 | 1479 | |
GregCr | 0:9be122c18509 | 1480 | LoRaMacDevAddr = LoRaMacRxPayload[7]; |
GregCr | 0:9be122c18509 | 1481 | LoRaMacDevAddr |= ( LoRaMacRxPayload[8] << 8 ); |
GregCr | 0:9be122c18509 | 1482 | LoRaMacDevAddr |= ( LoRaMacRxPayload[9] << 16 ); |
GregCr | 0:9be122c18509 | 1483 | LoRaMacDevAddr |= ( LoRaMacRxPayload[10] << 24 ); |
GregCr | 0:9be122c18509 | 1484 | |
GregCr | 0:9be122c18509 | 1485 | // DLSettings |
GregCr | 0:9be122c18509 | 1486 | Rx1DrOffset = ( LoRaMacRxPayload[11] >> 4 ) & 0x07; |
GregCr | 0:9be122c18509 | 1487 | Rx2Channel.Datarate = LoRaMacRxPayload[11] & 0x0F; |
GregCr | 0:9be122c18509 | 1488 | |
GregCr | 0:9be122c18509 | 1489 | // RxDelay |
GregCr | 0:9be122c18509 | 1490 | ReceiveDelay1 = ( LoRaMacRxPayload[12] & 0x0F ); |
GregCr | 0:9be122c18509 | 1491 | if( ReceiveDelay1 == 0 ) |
GregCr | 0:9be122c18509 | 1492 | { |
GregCr | 0:9be122c18509 | 1493 | ReceiveDelay1 = 1; |
GregCr | 0:9be122c18509 | 1494 | } |
GregCr | 0:9be122c18509 | 1495 | ReceiveDelay1 *= 1e6; |
GregCr | 0:9be122c18509 | 1496 | ReceiveDelay2 = ReceiveDelay1 + 1e6; |
GregCr | 0:9be122c18509 | 1497 | |
GregCr | 0:9be122c18509 | 1498 | //CFList |
GregCr | 0:9be122c18509 | 1499 | if( ( size - 1 ) > 16 ) |
GregCr | 0:9be122c18509 | 1500 | { |
GregCr | 0:9be122c18509 | 1501 | ChannelParams_t param; |
GregCr | 0:9be122c18509 | 1502 | param.DrRange.Value = ( DR_5 << 4 ) | DR_0; |
GregCr | 0:9be122c18509 | 1503 | |
GregCr | 0:9be122c18509 | 1504 | for( uint8_t i = 3, j = 0; i < ( 5 + 3 ); i++, j += 3 ) |
GregCr | 0:9be122c18509 | 1505 | { |
GregCr | 0:9be122c18509 | 1506 | param.Frequency = ( LoRaMacRxPayload[13 + j] | ( LoRaMacRxPayload[14 + j] << 8 ) | ( LoRaMacRxPayload[15 + j] << 16 ) ) * 100; |
GregCr | 0:9be122c18509 | 1507 | LoRaMacSetChannel( i, param ); |
GregCr | 0:9be122c18509 | 1508 | } |
GregCr | 0:9be122c18509 | 1509 | } |
GregCr | 0:9be122c18509 | 1510 | |
GregCr | 0:9be122c18509 | 1511 | LoRaMacEventFlags.Bits.JoinAccept = 1; |
GregCr | 0:9be122c18509 | 1512 | IsLoRaMacNetworkJoined = true; |
GregCr | 0:9be122c18509 | 1513 | ChannelsDatarate = ChannelsDefaultDatarate; |
GregCr | 0:9be122c18509 | 1514 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK; |
GregCr | 0:9be122c18509 | 1515 | } |
GregCr | 0:9be122c18509 | 1516 | else |
GregCr | 0:9be122c18509 | 1517 | { |
GregCr | 0:9be122c18509 | 1518 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL; |
GregCr | 0:9be122c18509 | 1519 | } |
GregCr | 0:9be122c18509 | 1520 | |
GregCr | 0:9be122c18509 | 1521 | LoRaMacEventFlags.Bits.Tx = 1; |
GregCr | 0:9be122c18509 | 1522 | break; |
GregCr | 0:9be122c18509 | 1523 | case FRAME_TYPE_DATA_CONFIRMED_DOWN: |
GregCr | 0:9be122c18509 | 1524 | case FRAME_TYPE_DATA_UNCONFIRMED_DOWN: |
GregCr | 0:9be122c18509 | 1525 | { |
GregCr | 0:9be122c18509 | 1526 | address = payload[pktHeaderLen++]; |
GregCr | 0:9be122c18509 | 1527 | address |= ( payload[pktHeaderLen++] << 8 ); |
GregCr | 0:9be122c18509 | 1528 | address |= ( payload[pktHeaderLen++] << 16 ); |
GregCr | 0:9be122c18509 | 1529 | address |= ( payload[pktHeaderLen++] << 24 ); |
GregCr | 0:9be122c18509 | 1530 | |
GregCr | 0:9be122c18509 | 1531 | if( address != LoRaMacDevAddr ) |
GregCr | 0:9be122c18509 | 1532 | { |
GregCr | 0:9be122c18509 | 1533 | curMulticastParams = MulticastChannels; |
GregCr | 0:9be122c18509 | 1534 | while( curMulticastParams != NULL ) |
GregCr | 0:9be122c18509 | 1535 | { |
GregCr | 0:9be122c18509 | 1536 | if( address == curMulticastParams->Address ) |
GregCr | 0:9be122c18509 | 1537 | { |
GregCr | 0:9be122c18509 | 1538 | LoRaMacEventFlags.Bits.Multicast = 1; |
GregCr | 0:9be122c18509 | 1539 | nwkSKey = curMulticastParams->NwkSKey; |
GregCr | 0:9be122c18509 | 1540 | appSKey = curMulticastParams->AppSKey; |
GregCr | 0:9be122c18509 | 1541 | downLinkCounter = curMulticastParams->DownLinkCounter; |
GregCr | 0:9be122c18509 | 1542 | break; |
GregCr | 0:9be122c18509 | 1543 | } |
GregCr | 0:9be122c18509 | 1544 | curMulticastParams = curMulticastParams->Next; |
GregCr | 0:9be122c18509 | 1545 | } |
GregCr | 0:9be122c18509 | 1546 | if( LoRaMacEventFlags.Bits.Multicast == 0 ) |
GregCr | 0:9be122c18509 | 1547 | { |
GregCr | 0:9be122c18509 | 1548 | // We are not the destination of this frame. |
GregCr | 0:9be122c18509 | 1549 | LoRaMacEventFlags.Bits.Tx = 1; |
GregCr | 0:9be122c18509 | 1550 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL; |
GregCr | 0:9be122c18509 | 1551 | LoRaMacState &= ~MAC_TX_RUNNING; |
GregCr | 0:9be122c18509 | 1552 | return; |
GregCr | 0:9be122c18509 | 1553 | } |
GregCr | 0:9be122c18509 | 1554 | } |
GregCr | 0:9be122c18509 | 1555 | else |
GregCr | 0:9be122c18509 | 1556 | { |
GregCr | 0:9be122c18509 | 1557 | LoRaMacEventFlags.Bits.Multicast = 0; |
GregCr | 0:9be122c18509 | 1558 | nwkSKey = LoRaMacNwkSKey; |
GregCr | 0:9be122c18509 | 1559 | appSKey = LoRaMacAppSKey; |
GregCr | 0:9be122c18509 | 1560 | downLinkCounter = DownLinkCounter; |
GregCr | 0:9be122c18509 | 1561 | } |
GregCr | 0:9be122c18509 | 1562 | |
GregCr | 0:9be122c18509 | 1563 | if( LoRaMacDeviceClass != CLASS_A ) |
GregCr | 0:9be122c18509 | 1564 | { |
GregCr | 0:9be122c18509 | 1565 | LoRaMacState |= MAC_RX; |
GregCr | 0:9be122c18509 | 1566 | // Starts the MAC layer status check timer |
GregCr | 0:9be122c18509 | 1567 | MacStateCheckTimer.attach_us( &OnMacStateCheckTimerEvent , MAC_STATE_CHECK_TIMEOUT ); |
GregCr | 0:9be122c18509 | 1568 | } |
GregCr | 0:9be122c18509 | 1569 | fCtrl.Value = payload[pktHeaderLen++]; |
GregCr | 0:9be122c18509 | 1570 | |
GregCr | 0:9be122c18509 | 1571 | sequenceCounter |= payload[pktHeaderLen++]; |
GregCr | 0:9be122c18509 | 1572 | sequenceCounter |= payload[pktHeaderLen++] << 8; |
GregCr | 0:9be122c18509 | 1573 | |
GregCr | 0:9be122c18509 | 1574 | appPayloadStartIndex = 8 + fCtrl.Bits.FOptsLen; |
GregCr | 0:9be122c18509 | 1575 | |
GregCr | 0:9be122c18509 | 1576 | micRx |= payload[size - LORAMAC_MFR_LEN]; |
GregCr | 0:9be122c18509 | 1577 | micRx |= ( payload[size - LORAMAC_MFR_LEN + 1] << 8 ); |
GregCr | 0:9be122c18509 | 1578 | micRx |= ( payload[size - LORAMAC_MFR_LEN + 2] << 16 ); |
GregCr | 0:9be122c18509 | 1579 | micRx |= ( payload[size - LORAMAC_MFR_LEN + 3] << 24 ); |
GregCr | 0:9be122c18509 | 1580 | |
GregCr | 0:9be122c18509 | 1581 | sequence = ( int32_t )sequenceCounter - ( int32_t )( downLinkCounter & 0xFFFF ); |
GregCr | 0:9be122c18509 | 1582 | if( sequence < 0 ) |
GregCr | 0:9be122c18509 | 1583 | { |
GregCr | 0:9be122c18509 | 1584 | // sequence reset or roll over happened |
GregCr | 0:9be122c18509 | 1585 | downLinkCounter = ( downLinkCounter & 0xFFFF0000 ) | ( sequenceCounter + ( uint32_t )0x10000 ); |
GregCr | 0:9be122c18509 | 1586 | LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic ); |
GregCr | 0:9be122c18509 | 1587 | if( micRx == mic ) |
GregCr | 0:9be122c18509 | 1588 | { |
GregCr | 0:9be122c18509 | 1589 | isMicOk = true; |
GregCr | 0:9be122c18509 | 1590 | } |
GregCr | 0:9be122c18509 | 1591 | else |
GregCr | 0:9be122c18509 | 1592 | { |
GregCr | 0:9be122c18509 | 1593 | isMicOk = false; |
GregCr | 0:9be122c18509 | 1594 | // sequence reset |
GregCr | 0:9be122c18509 | 1595 | if( LoRaMacEventFlags.Bits.Multicast == 1 ) |
GregCr | 0:9be122c18509 | 1596 | { |
GregCr | 0:9be122c18509 | 1597 | curMulticastParams->DownLinkCounter = downLinkCounter = sequenceCounter; |
GregCr | 0:9be122c18509 | 1598 | } |
GregCr | 0:9be122c18509 | 1599 | else |
GregCr | 0:9be122c18509 | 1600 | { |
GregCr | 0:9be122c18509 | 1601 | DownLinkCounter = downLinkCounter = sequenceCounter; |
GregCr | 0:9be122c18509 | 1602 | } |
GregCr | 0:9be122c18509 | 1603 | LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic ); |
GregCr | 0:9be122c18509 | 1604 | } |
GregCr | 0:9be122c18509 | 1605 | } |
GregCr | 0:9be122c18509 | 1606 | else |
GregCr | 0:9be122c18509 | 1607 | { |
GregCr | 0:9be122c18509 | 1608 | downLinkCounter = ( downLinkCounter & 0xFFFF0000 ) | sequenceCounter; |
GregCr | 0:9be122c18509 | 1609 | LoRaMacComputeMic( payload, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic ); |
GregCr | 0:9be122c18509 | 1610 | } |
GregCr | 0:9be122c18509 | 1611 | |
GregCr | 0:9be122c18509 | 1612 | if( ( isMicOk == true ) || |
GregCr | 0:9be122c18509 | 1613 | ( micRx == mic ) ) |
GregCr | 0:9be122c18509 | 1614 | { |
GregCr | 0:9be122c18509 | 1615 | LoRaMacEventFlags.Bits.Rx = 1; |
GregCr | 0:9be122c18509 | 1616 | LoRaMacEventInfo.RxSnr = snr; |
GregCr | 0:9be122c18509 | 1617 | LoRaMacEventInfo.RxRssi = rssi; |
GregCr | 0:9be122c18509 | 1618 | LoRaMacEventInfo.RxBufferSize = 0; |
GregCr | 0:9be122c18509 | 1619 | AdrAckCounter = 0; |
GregCr | 0:9be122c18509 | 1620 | if( LoRaMacEventFlags.Bits.Multicast == 1 ) |
GregCr | 0:9be122c18509 | 1621 | { |
GregCr | 0:9be122c18509 | 1622 | curMulticastParams->DownLinkCounter = downLinkCounter; |
GregCr | 0:9be122c18509 | 1623 | } |
GregCr | 0:9be122c18509 | 1624 | else |
GregCr | 0:9be122c18509 | 1625 | { |
GregCr | 0:9be122c18509 | 1626 | DownLinkCounter = downLinkCounter; |
GregCr | 0:9be122c18509 | 1627 | } |
GregCr | 0:9be122c18509 | 1628 | |
GregCr | 0:9be122c18509 | 1629 | if( macHdr.Bits.MType == FRAME_TYPE_DATA_CONFIRMED_DOWN ) |
GregCr | 0:9be122c18509 | 1630 | { |
GregCr | 0:9be122c18509 | 1631 | SrvAckRequested = true; |
GregCr | 0:9be122c18509 | 1632 | } |
GregCr | 0:9be122c18509 | 1633 | else |
GregCr | 0:9be122c18509 | 1634 | { |
GregCr | 0:9be122c18509 | 1635 | SrvAckRequested = false; |
GregCr | 0:9be122c18509 | 1636 | } |
GregCr | 0:9be122c18509 | 1637 | // Check if the frame is an acknowledgement |
GregCr | 0:9be122c18509 | 1638 | if( fCtrl.Bits.Ack == 1 ) |
GregCr | 0:9be122c18509 | 1639 | { |
GregCr | 0:9be122c18509 | 1640 | LoRaMacEventInfo.TxAckReceived = true; |
GregCr | 0:9be122c18509 | 1641 | |
GregCr | 0:9be122c18509 | 1642 | // Stop the AckTimeout timer as no more retransmissions |
GregCr | 0:9be122c18509 | 1643 | // are needed. |
GregCr | 0:9be122c18509 | 1644 | AckTimeoutTimer.detach( ); |
GregCr | 0:9be122c18509 | 1645 | } |
GregCr | 0:9be122c18509 | 1646 | else |
GregCr | 0:9be122c18509 | 1647 | { |
GregCr | 0:9be122c18509 | 1648 | LoRaMacEventInfo.TxAckReceived = false; |
GregCr | 0:9be122c18509 | 1649 | if( AckTimeoutRetriesCounter > AckTimeoutRetries ) |
GregCr | 0:9be122c18509 | 1650 | { |
GregCr | 0:9be122c18509 | 1651 | // Stop the AckTimeout timer as no more retransmissions |
GregCr | 0:9be122c18509 | 1652 | // are needed. |
GregCr | 0:9be122c18509 | 1653 | AckTimeoutTimer.detach( ); |
GregCr | 0:9be122c18509 | 1654 | } |
GregCr | 0:9be122c18509 | 1655 | } |
GregCr | 0:9be122c18509 | 1656 | |
GregCr | 0:9be122c18509 | 1657 | if( fCtrl.Bits.FOptsLen > 0 ) |
GregCr | 0:9be122c18509 | 1658 | { |
GregCr | 0:9be122c18509 | 1659 | // Decode Options field MAC commands |
GregCr | 0:9be122c18509 | 1660 | LoRaMacProcessMacCommands( payload, 8, appPayloadStartIndex ); |
GregCr | 0:9be122c18509 | 1661 | } |
GregCr | 0:9be122c18509 | 1662 | |
GregCr | 0:9be122c18509 | 1663 | if( ( ( size - 4 ) - appPayloadStartIndex ) > 0 ) |
GregCr | 0:9be122c18509 | 1664 | { |
GregCr | 0:9be122c18509 | 1665 | port = payload[appPayloadStartIndex++]; |
GregCr | 0:9be122c18509 | 1666 | frameLen = ( size - 4 ) - appPayloadStartIndex; |
GregCr | 0:9be122c18509 | 1667 | |
GregCr | 0:9be122c18509 | 1668 | if( port == 0 ) |
GregCr | 0:9be122c18509 | 1669 | { |
GregCr | 0:9be122c18509 | 1670 | LoRaMacPayloadDecrypt( payload + appPayloadStartIndex, |
GregCr | 0:9be122c18509 | 1671 | frameLen, |
GregCr | 0:9be122c18509 | 1672 | nwkSKey, |
GregCr | 0:9be122c18509 | 1673 | address, |
GregCr | 0:9be122c18509 | 1674 | DOWN_LINK, |
GregCr | 0:9be122c18509 | 1675 | downLinkCounter, |
GregCr | 0:9be122c18509 | 1676 | LoRaMacRxPayload ); |
GregCr | 0:9be122c18509 | 1677 | |
GregCr | 0:9be122c18509 | 1678 | // Decode frame payload MAC commands |
GregCr | 0:9be122c18509 | 1679 | LoRaMacProcessMacCommands( LoRaMacRxPayload, 0, frameLen ); |
GregCr | 0:9be122c18509 | 1680 | } |
GregCr | 0:9be122c18509 | 1681 | else |
GregCr | 0:9be122c18509 | 1682 | { |
GregCr | 0:9be122c18509 | 1683 | LoRaMacPayloadDecrypt( payload + appPayloadStartIndex, |
GregCr | 0:9be122c18509 | 1684 | frameLen, |
GregCr | 0:9be122c18509 | 1685 | appSKey, |
GregCr | 0:9be122c18509 | 1686 | address, |
GregCr | 0:9be122c18509 | 1687 | DOWN_LINK, |
GregCr | 0:9be122c18509 | 1688 | downLinkCounter, |
GregCr | 0:9be122c18509 | 1689 | LoRaMacRxPayload ); |
GregCr | 0:9be122c18509 | 1690 | |
GregCr | 0:9be122c18509 | 1691 | LoRaMacEventFlags.Bits.RxData = 1; |
GregCr | 0:9be122c18509 | 1692 | LoRaMacEventInfo.RxPort = port; |
GregCr | 0:9be122c18509 | 1693 | LoRaMacEventInfo.RxBuffer = LoRaMacRxPayload; |
GregCr | 0:9be122c18509 | 1694 | LoRaMacEventInfo.RxBufferSize = frameLen; |
GregCr | 0:9be122c18509 | 1695 | } |
GregCr | 0:9be122c18509 | 1696 | } |
GregCr | 0:9be122c18509 | 1697 | |
GregCr | 0:9be122c18509 | 1698 | LoRaMacEventFlags.Bits.Tx = 1; |
GregCr | 0:9be122c18509 | 1699 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK; |
GregCr | 0:9be122c18509 | 1700 | } |
GregCr | 0:9be122c18509 | 1701 | else |
GregCr | 0:9be122c18509 | 1702 | { |
GregCr | 0:9be122c18509 | 1703 | LoRaMacEventInfo.TxAckReceived = false; |
GregCr | 0:9be122c18509 | 1704 | |
GregCr | 0:9be122c18509 | 1705 | LoRaMacEventFlags.Bits.Tx = 1; |
GregCr | 0:9be122c18509 | 1706 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_MIC_FAIL; |
GregCr | 0:9be122c18509 | 1707 | LoRaMacState &= ~MAC_TX_RUNNING; |
GregCr | 0:9be122c18509 | 1708 | } |
GregCr | 0:9be122c18509 | 1709 | } |
GregCr | 0:9be122c18509 | 1710 | break; |
GregCr | 0:9be122c18509 | 1711 | case FRAME_TYPE_PROPRIETARY: |
GregCr | 0:9be122c18509 | 1712 | //Intentional falltrough |
GregCr | 0:9be122c18509 | 1713 | default: |
GregCr | 0:9be122c18509 | 1714 | LoRaMacEventFlags.Bits.Tx = 1; |
GregCr | 0:9be122c18509 | 1715 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_ERROR; |
GregCr | 0:9be122c18509 | 1716 | LoRaMacState &= ~MAC_TX_RUNNING; |
GregCr | 0:9be122c18509 | 1717 | break; |
GregCr | 0:9be122c18509 | 1718 | } |
GregCr | 0:9be122c18509 | 1719 | } |
GregCr | 0:9be122c18509 | 1720 | |
GregCr | 0:9be122c18509 | 1721 | /*! |
GregCr | 0:9be122c18509 | 1722 | * Function executed on Radio Tx Timeout event |
GregCr | 0:9be122c18509 | 1723 | */ |
GregCr | 0:9be122c18509 | 1724 | static void OnRadioTxTimeout( void ) |
GregCr | 1:0a272b37c6cd | 1725 | { |
GregCr | 0:9be122c18509 | 1726 | if( LoRaMacDeviceClass != CLASS_C ) |
GregCr | 0:9be122c18509 | 1727 | { |
GregCr | 0:9be122c18509 | 1728 | Radio.Sleep( ); |
GregCr | 0:9be122c18509 | 1729 | } |
GregCr | 0:9be122c18509 | 1730 | else |
GregCr | 0:9be122c18509 | 1731 | { |
GregCr | 0:9be122c18509 | 1732 | OnRxWindow2TimerEvent( ); |
GregCr | 0:9be122c18509 | 1733 | } |
GregCr | 0:9be122c18509 | 1734 | |
GregCr | 0:9be122c18509 | 1735 | LoRaMacEventFlags.Bits.Tx = 1; |
GregCr | 0:9be122c18509 | 1736 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT; |
GregCr | 0:9be122c18509 | 1737 | } |
GregCr | 0:9be122c18509 | 1738 | |
GregCr | 0:9be122c18509 | 1739 | /*! |
GregCr | 0:9be122c18509 | 1740 | * Function executed on Radio Rx Timeout event |
GregCr | 0:9be122c18509 | 1741 | */ |
GregCr | 0:9be122c18509 | 1742 | static void OnRadioRxTimeout( void ) |
GregCr | 1:0a272b37c6cd | 1743 | { |
GregCr | 0:9be122c18509 | 1744 | if( LoRaMacDeviceClass != CLASS_C ) |
GregCr | 0:9be122c18509 | 1745 | { |
GregCr | 0:9be122c18509 | 1746 | Radio.Sleep( ); |
GregCr | 0:9be122c18509 | 1747 | } |
GregCr | 0:9be122c18509 | 1748 | if( LoRaMacEventFlags.Bits.RxSlot == 1 ) |
GregCr | 0:9be122c18509 | 1749 | { |
GregCr | 0:9be122c18509 | 1750 | LoRaMacEventFlags.Bits.Tx = 1; |
GregCr | 0:9be122c18509 | 1751 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_RX2_TIMEOUT; |
GregCr | 0:9be122c18509 | 1752 | } |
GregCr | 0:9be122c18509 | 1753 | } |
GregCr | 0:9be122c18509 | 1754 | |
GregCr | 0:9be122c18509 | 1755 | /*! |
GregCr | 0:9be122c18509 | 1756 | * Function executed on Radio Rx Error event |
GregCr | 0:9be122c18509 | 1757 | */ |
GregCr | 0:9be122c18509 | 1758 | static void OnRadioRxError( void ) |
GregCr | 1:0a272b37c6cd | 1759 | { |
GregCr | 0:9be122c18509 | 1760 | if( LoRaMacDeviceClass != CLASS_C ) |
GregCr | 0:9be122c18509 | 1761 | { |
GregCr | 0:9be122c18509 | 1762 | Radio.Sleep( ); |
GregCr | 0:9be122c18509 | 1763 | } |
GregCr | 0:9be122c18509 | 1764 | if( LoRaMacEventFlags.Bits.RxSlot == 1 ) |
GregCr | 0:9be122c18509 | 1765 | { |
GregCr | 0:9be122c18509 | 1766 | LoRaMacEventFlags.Bits.Tx = 1; |
GregCr | 0:9be122c18509 | 1767 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_RX2_ERROR; |
GregCr | 0:9be122c18509 | 1768 | } |
GregCr | 0:9be122c18509 | 1769 | } |
GregCr | 0:9be122c18509 | 1770 | |
GregCr | 0:9be122c18509 | 1771 | /*! |
GregCr | 0:9be122c18509 | 1772 | * Initializes and opens the reception window |
GregCr | 0:9be122c18509 | 1773 | * |
GregCr | 0:9be122c18509 | 1774 | * \param [IN] freq window channel frequency |
GregCr | 0:9be122c18509 | 1775 | * \param [IN] datarate window channel datarate |
GregCr | 0:9be122c18509 | 1776 | * \param [IN] bandwidth window channel bandwidth |
GregCr | 0:9be122c18509 | 1777 | * \param [IN] timeout window channel timeout |
GregCr | 0:9be122c18509 | 1778 | */ |
GregCr | 0:9be122c18509 | 1779 | void LoRaMacRxWindowSetup( uint32_t freq, int8_t datarate, uint32_t bandwidth, uint16_t timeout, bool rxContinuous ) |
GregCr | 0:9be122c18509 | 1780 | { |
GregCr | 0:9be122c18509 | 1781 | if( Radio.GetStatus( ) == IDLE ) |
GregCr | 0:9be122c18509 | 1782 | { |
GregCr | 0:9be122c18509 | 1783 | Radio.SetChannel( freq ); |
GregCr | 0:9be122c18509 | 1784 | if( datarate == DR_7 ) |
GregCr | 0:9be122c18509 | 1785 | { |
GregCr | 0:9be122c18509 | 1786 | Radio.SetRxConfig( MODEM_FSK, 50e3, Datarates[datarate] * 1e3, 0, 83.333e3, 5, 0, false, 0, true, 0, 0, false, rxContinuous ); |
GregCr | 0:9be122c18509 | 1787 | } |
GregCr | 0:9be122c18509 | 1788 | else |
GregCr | 0:9be122c18509 | 1789 | { |
GregCr | 0:9be122c18509 | 1790 | Radio.SetRxConfig( MODEM_LORA, bandwidth, Datarates[datarate], 1, 0, 8, timeout, false, 0, false, 0, 0, true, rxContinuous ); |
GregCr | 0:9be122c18509 | 1791 | } |
GregCr | 0:9be122c18509 | 1792 | if( rxContinuous == false ) |
GregCr | 0:9be122c18509 | 1793 | { |
GregCr | 0:9be122c18509 | 1794 | Radio.Rx( MaxRxWindow ); |
GregCr | 0:9be122c18509 | 1795 | } |
GregCr | 0:9be122c18509 | 1796 | else |
GregCr | 0:9be122c18509 | 1797 | { |
GregCr | 0:9be122c18509 | 1798 | Radio.Rx( 0 ); // Continuous mode |
GregCr | 0:9be122c18509 | 1799 | } |
GregCr | 0:9be122c18509 | 1800 | } |
GregCr | 0:9be122c18509 | 1801 | } |
GregCr | 0:9be122c18509 | 1802 | |
GregCr | 0:9be122c18509 | 1803 | /*! |
GregCr | 0:9be122c18509 | 1804 | * Function executed on first Rx window timer event |
GregCr | 0:9be122c18509 | 1805 | */ |
GregCr | 0:9be122c18509 | 1806 | static void OnRxWindow1TimerEvent( void ) |
GregCr | 0:9be122c18509 | 1807 | { |
GregCr | 3:675d14219ad5 | 1808 | uint16_t symbTimeout = 20; // DR_2, DR_1, DR_0 |
GregCr | 0:9be122c18509 | 1809 | int8_t datarate = 0; |
GregCr | 0:9be122c18509 | 1810 | uint32_t bandwidth = 0; // LoRa 125 kHz |
GregCr | 0:9be122c18509 | 1811 | |
GregCr | 1:0a272b37c6cd | 1812 | RxWindowTimer1.detach( ); |
GregCr | 0:9be122c18509 | 1813 | |
GregCr | 0:9be122c18509 | 1814 | datarate = ChannelsDatarate - Rx1DrOffset; |
GregCr | 0:9be122c18509 | 1815 | if( datarate < 0 ) |
GregCr | 0:9be122c18509 | 1816 | { |
GregCr | 0:9be122c18509 | 1817 | datarate = DR_0; |
GregCr | 0:9be122c18509 | 1818 | } |
GregCr | 0:9be122c18509 | 1819 | |
GregCr | 0:9be122c18509 | 1820 | // For higher datarates, we increase the number of symbols generating a Rx Timeout |
GregCr | 0:9be122c18509 | 1821 | if( datarate >= DR_3 ) |
GregCr | 0:9be122c18509 | 1822 | { // DR_6, DR_5, DR_4, DR_3 |
Alliance | 5:50aab2960e8c | 1823 | symbTimeout = 80; |
GregCr | 0:9be122c18509 | 1824 | } |
GregCr | 0:9be122c18509 | 1825 | if( datarate == DR_6 ) |
GregCr | 0:9be122c18509 | 1826 | {// LoRa 250 kHz |
GregCr | 0:9be122c18509 | 1827 | bandwidth = 1; |
GregCr | 0:9be122c18509 | 1828 | } |
GregCr | 0:9be122c18509 | 1829 | LoRaMacEventFlags.Bits.RxSlot = 0; |
GregCr | 0:9be122c18509 | 1830 | LoRaMacRxWindowSetup( Channels[Channel].Frequency, datarate, bandwidth, symbTimeout, false ); |
GregCr | 0:9be122c18509 | 1831 | } |
GregCr | 0:9be122c18509 | 1832 | |
GregCr | 0:9be122c18509 | 1833 | /*! |
GregCr | 0:9be122c18509 | 1834 | * Function executed on second Rx window timer event |
GregCr | 0:9be122c18509 | 1835 | */ |
GregCr | 0:9be122c18509 | 1836 | static void OnRxWindow2TimerEvent( void ) |
GregCr | 0:9be122c18509 | 1837 | { |
GregCr | 1:0a272b37c6cd | 1838 | RxWindowTimer2.detach( ); |
GregCr | 0:9be122c18509 | 1839 | |
GregCr | 0:9be122c18509 | 1840 | if( NodeAckRequested == true ) |
GregCr | 0:9be122c18509 | 1841 | { |
GregCr | 0:9be122c18509 | 1842 | AckTimeoutTimer.attach_us( &OnAckTimeoutTimerEvent, ACK_TIMEOUT + randr( -ACK_TIMEOUT_RND, ACK_TIMEOUT_RND ) ); |
GregCr | 0:9be122c18509 | 1843 | } |
GregCr | 0:9be122c18509 | 1844 | |
GregCr | 3:675d14219ad5 | 1845 | uint16_t symbTimeout = 20; // DR_2, DR_1, DR_0 |
GregCr | 0:9be122c18509 | 1846 | uint32_t bandwidth = 0; // LoRa 125 kHz |
GregCr | 0:9be122c18509 | 1847 | |
GregCr | 0:9be122c18509 | 1848 | // For higher datarates, we increase the number of symbols generating a Rx Timeout |
GregCr | 0:9be122c18509 | 1849 | if( Rx2Channel.Datarate >= DR_3 ) |
GregCr | 0:9be122c18509 | 1850 | { // DR_6, DR_5, DR_4, DR_3 |
Alliance | 5:50aab2960e8c | 1851 | symbTimeout = 80; |
GregCr | 0:9be122c18509 | 1852 | } |
GregCr | 0:9be122c18509 | 1853 | if( Rx2Channel.Datarate == DR_6 ) |
GregCr | 0:9be122c18509 | 1854 | {// LoRa 250 kHz |
GregCr | 0:9be122c18509 | 1855 | bandwidth = 1; |
GregCr | 0:9be122c18509 | 1856 | } |
GregCr | 0:9be122c18509 | 1857 | |
GregCr | 0:9be122c18509 | 1858 | LoRaMacEventFlags.Bits.RxSlot = 1; |
GregCr | 0:9be122c18509 | 1859 | if( LoRaMacDeviceClass != CLASS_C ) |
GregCr | 0:9be122c18509 | 1860 | { |
GregCr | 0:9be122c18509 | 1861 | LoRaMacRxWindowSetup( Rx2Channel.Frequency, Rx2Channel.Datarate, bandwidth, symbTimeout, false ); |
GregCr | 0:9be122c18509 | 1862 | } |
GregCr | 0:9be122c18509 | 1863 | else |
GregCr | 0:9be122c18509 | 1864 | { |
GregCr | 0:9be122c18509 | 1865 | LoRaMacRxWindowSetup( Rx2Channel.Frequency, Rx2Channel.Datarate, bandwidth, symbTimeout, true ); |
GregCr | 0:9be122c18509 | 1866 | } |
GregCr | 0:9be122c18509 | 1867 | } |
GregCr | 0:9be122c18509 | 1868 | |
GregCr | 0:9be122c18509 | 1869 | /*! |
GregCr | 0:9be122c18509 | 1870 | * Function executed on MacStateCheck timer event |
GregCr | 0:9be122c18509 | 1871 | */ |
GregCr | 0:9be122c18509 | 1872 | static void OnMacStateCheckTimerEvent( void ) |
GregCr | 0:9be122c18509 | 1873 | { |
GregCr | 1:0a272b37c6cd | 1874 | MacStateCheckTimer.detach( ); |
GregCr | 0:9be122c18509 | 1875 | |
GregCr | 0:9be122c18509 | 1876 | if( LoRaMacEventFlags.Bits.Tx == 1 ) |
GregCr | 0:9be122c18509 | 1877 | { |
GregCr | 0:9be122c18509 | 1878 | if( NodeAckRequested == false ) |
GregCr | 0:9be122c18509 | 1879 | { |
GregCr | 0:9be122c18509 | 1880 | if( LoRaMacEventFlags.Bits.JoinAccept == true ) |
GregCr | 0:9be122c18509 | 1881 | { |
GregCr | 0:9be122c18509 | 1882 | // Join messages aren't repeated automatically |
GregCr | 0:9be122c18509 | 1883 | ChannelsNbRepCounter = ChannelsNbRep; |
GregCr | 0:9be122c18509 | 1884 | UpLinkCounter = 0; |
GregCr | 0:9be122c18509 | 1885 | } |
GregCr | 0:9be122c18509 | 1886 | if( ChannelsNbRepCounter >= ChannelsNbRep ) |
GregCr | 0:9be122c18509 | 1887 | { |
GregCr | 0:9be122c18509 | 1888 | ChannelsNbRepCounter = 0; |
GregCr | 0:9be122c18509 | 1889 | |
GregCr | 0:9be122c18509 | 1890 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK; |
GregCr | 0:9be122c18509 | 1891 | |
GregCr | 0:9be122c18509 | 1892 | AdrAckCounter++; |
GregCr | 0:9be122c18509 | 1893 | if( IsUpLinkCounterFixed == false ) |
GregCr | 0:9be122c18509 | 1894 | { |
GregCr | 0:9be122c18509 | 1895 | UpLinkCounter++; |
GregCr | 0:9be122c18509 | 1896 | } |
GregCr | 0:9be122c18509 | 1897 | |
GregCr | 0:9be122c18509 | 1898 | LoRaMacState &= ~MAC_TX_RUNNING; |
GregCr | 0:9be122c18509 | 1899 | } |
GregCr | 0:9be122c18509 | 1900 | else |
GregCr | 0:9be122c18509 | 1901 | { |
GregCr | 0:9be122c18509 | 1902 | LoRaMacEventFlags.Bits.Tx = 0; |
GregCr | 0:9be122c18509 | 1903 | // Sends the same frame again |
GregCr | 0:9be122c18509 | 1904 | if( LoRaMacSetNextChannel( ) == 0 ) |
GregCr | 0:9be122c18509 | 1905 | { |
GregCr | 0:9be122c18509 | 1906 | LoRaMacSendFrameOnChannel( Channels[Channel] ); |
GregCr | 0:9be122c18509 | 1907 | } |
GregCr | 0:9be122c18509 | 1908 | } |
GregCr | 0:9be122c18509 | 1909 | } |
GregCr | 0:9be122c18509 | 1910 | |
GregCr | 0:9be122c18509 | 1911 | if( LoRaMacEventFlags.Bits.Rx == 1 ) |
GregCr | 0:9be122c18509 | 1912 | { |
GregCr | 0:9be122c18509 | 1913 | if( ( LoRaMacEventInfo.TxAckReceived == true ) || ( AckTimeoutRetriesCounter > AckTimeoutRetries ) ) |
GregCr | 0:9be122c18509 | 1914 | { |
GregCr | 0:9be122c18509 | 1915 | AckTimeoutRetry = false; |
GregCr | 0:9be122c18509 | 1916 | if( IsUpLinkCounterFixed == false ) |
GregCr | 0:9be122c18509 | 1917 | { |
GregCr | 0:9be122c18509 | 1918 | UpLinkCounter++; |
GregCr | 0:9be122c18509 | 1919 | } |
GregCr | 0:9be122c18509 | 1920 | LoRaMacEventInfo.TxNbRetries = AckTimeoutRetriesCounter; |
GregCr | 0:9be122c18509 | 1921 | |
GregCr | 0:9be122c18509 | 1922 | LoRaMacState &= ~MAC_TX_RUNNING; |
GregCr | 0:9be122c18509 | 1923 | } |
GregCr | 0:9be122c18509 | 1924 | } |
GregCr | 0:9be122c18509 | 1925 | |
GregCr | 0:9be122c18509 | 1926 | if( ( AckTimeoutRetry == true ) && ( ( LoRaMacState & MAC_CHANNEL_CHECK ) == 0 ) ) |
GregCr | 0:9be122c18509 | 1927 | { |
GregCr | 0:9be122c18509 | 1928 | AckTimeoutRetry = false; |
GregCr | 0:9be122c18509 | 1929 | if( ( AckTimeoutRetriesCounter < AckTimeoutRetries ) && ( AckTimeoutRetriesCounter <= MAX_ACK_RETRIES ) ) |
GregCr | 0:9be122c18509 | 1930 | { |
GregCr | 0:9be122c18509 | 1931 | AckTimeoutRetriesCounter++; |
GregCr | 0:9be122c18509 | 1932 | |
GregCr | 0:9be122c18509 | 1933 | if( ( AckTimeoutRetriesCounter % 2 ) == 1 ) |
GregCr | 0:9be122c18509 | 1934 | { |
GregCr | 0:9be122c18509 | 1935 | ChannelsDatarate = MAX( ChannelsDatarate - 1, LORAMAC_MIN_DATARATE ); |
GregCr | 0:9be122c18509 | 1936 | } |
GregCr | 0:9be122c18509 | 1937 | LoRaMacEventFlags.Bits.Tx = 0; |
GregCr | 0:9be122c18509 | 1938 | // Sends the same frame again |
GregCr | 0:9be122c18509 | 1939 | if( LoRaMacSetNextChannel( ) == 0 ) |
GregCr | 0:9be122c18509 | 1940 | { |
GregCr | 0:9be122c18509 | 1941 | LoRaMacSendFrameOnChannel( Channels[Channel] ); |
GregCr | 0:9be122c18509 | 1942 | } |
GregCr | 0:9be122c18509 | 1943 | } |
GregCr | 0:9be122c18509 | 1944 | else |
GregCr | 0:9be122c18509 | 1945 | { |
GregCr | 0:9be122c18509 | 1946 | // Re-enable default channels LC1, LC2, LC3 |
GregCr | 0:9be122c18509 | 1947 | ChannelsMask = ChannelsMask | ( LC( 1 ) + LC( 2 ) + LC( 3 ) ); |
GregCr | 0:9be122c18509 | 1948 | |
GregCr | 0:9be122c18509 | 1949 | LoRaMacState &= ~MAC_TX_RUNNING; |
GregCr | 0:9be122c18509 | 1950 | |
GregCr | 0:9be122c18509 | 1951 | LoRaMacEventInfo.TxAckReceived = false; |
GregCr | 0:9be122c18509 | 1952 | LoRaMacEventInfo.TxNbRetries = AckTimeoutRetriesCounter; |
GregCr | 0:9be122c18509 | 1953 | if( IsUpLinkCounterFixed == false ) |
GregCr | 0:9be122c18509 | 1954 | { |
GregCr | 0:9be122c18509 | 1955 | UpLinkCounter++; |
GregCr | 0:9be122c18509 | 1956 | } |
GregCr | 0:9be122c18509 | 1957 | LoRaMacEventInfo.Status = LORAMAC_EVENT_INFO_STATUS_OK; |
GregCr | 0:9be122c18509 | 1958 | } |
GregCr | 0:9be122c18509 | 1959 | } |
GregCr | 0:9be122c18509 | 1960 | } |
GregCr | 0:9be122c18509 | 1961 | // Handle reception for Class B and Class C |
GregCr | 0:9be122c18509 | 1962 | if( ( LoRaMacState & MAC_RX ) == MAC_RX ) |
GregCr | 0:9be122c18509 | 1963 | { |
GregCr | 0:9be122c18509 | 1964 | LoRaMacState &= ~MAC_RX; |
GregCr | 0:9be122c18509 | 1965 | } |
GregCr | 0:9be122c18509 | 1966 | if( LoRaMacState == MAC_IDLE ) |
GregCr | 0:9be122c18509 | 1967 | { |
GregCr | 0:9be122c18509 | 1968 | LoRaMacNotify( &LoRaMacEventFlags, &LoRaMacEventInfo ); |
GregCr | 0:9be122c18509 | 1969 | } |
GregCr | 0:9be122c18509 | 1970 | else |
GregCr | 0:9be122c18509 | 1971 | { |
GregCr | 0:9be122c18509 | 1972 | // Operation not finished restart timer |
GregCr | 0:9be122c18509 | 1973 | MacStateCheckTimer.attach_us( &OnMacStateCheckTimerEvent, MAC_STATE_CHECK_TIMEOUT ); |
GregCr | 0:9be122c18509 | 1974 | } |
GregCr | 0:9be122c18509 | 1975 | } |
GregCr | 0:9be122c18509 | 1976 | |
GregCr | 0:9be122c18509 | 1977 | static void OnAckTimeoutTimerEvent( void ) |
GregCr | 0:9be122c18509 | 1978 | { |
GregCr | 1:0a272b37c6cd | 1979 | AckTimeoutTimer.detach( ); |
GregCr | 0:9be122c18509 | 1980 | |
GregCr | 0:9be122c18509 | 1981 | AckTimeoutRetry = true; |
GregCr | 0:9be122c18509 | 1982 | LoRaMacState &= ~MAC_ACK_REQ; |
GregCr | 0:9be122c18509 | 1983 | } |
GregCr | 0:9be122c18509 | 1984 | |
GregCr | 0:9be122c18509 | 1985 | /*! |
GregCr | 0:9be122c18509 | 1986 | * ============================================================================ |
GregCr | 0:9be122c18509 | 1987 | * = LoRaMac test functions = |
GregCr | 0:9be122c18509 | 1988 | * ============================================================================ |
GregCr | 0:9be122c18509 | 1989 | */ |
GregCr | 0:9be122c18509 | 1990 | |
GregCr | 0:9be122c18509 | 1991 | void LoRaMacSetDeviceClass( DeviceClass_t deviceClass ) |
GregCr | 0:9be122c18509 | 1992 | { |
GregCr | 0:9be122c18509 | 1993 | LoRaMacDeviceClass = deviceClass; |
GregCr | 0:9be122c18509 | 1994 | } |
GregCr | 0:9be122c18509 | 1995 | |
GregCr | 0:9be122c18509 | 1996 | void LoRaMacSetPublicNetwork( bool enable ) |
GregCr | 0:9be122c18509 | 1997 | { |
GregCr | 0:9be122c18509 | 1998 | PublicNetwork = enable; |
GregCr | 0:9be122c18509 | 1999 | Radio.SetModem( MODEM_LORA ); |
GregCr | 0:9be122c18509 | 2000 | if( PublicNetwork == true ) |
GregCr | 0:9be122c18509 | 2001 | { |
GregCr | 0:9be122c18509 | 2002 | // Change LoRa modem SyncWord |
GregCr | 0:9be122c18509 | 2003 | Radio.Write( REG_LR_SYNCWORD, LORA_MAC_PUBLIC_SYNCWORD ); |
GregCr | 0:9be122c18509 | 2004 | } |
GregCr | 0:9be122c18509 | 2005 | else |
GregCr | 0:9be122c18509 | 2006 | { |
GregCr | 0:9be122c18509 | 2007 | // Change LoRa modem SyncWord |
GregCr | 0:9be122c18509 | 2008 | Radio.Write( REG_LR_SYNCWORD, LORA_MAC_PRIVATE_SYNCWORD ); |
GregCr | 0:9be122c18509 | 2009 | } |
GregCr | 0:9be122c18509 | 2010 | } |
GregCr | 0:9be122c18509 | 2011 | |
GregCr | 0:9be122c18509 | 2012 | void LoRaMacSetDutyCycleOn( bool enable ) |
GregCr | 0:9be122c18509 | 2013 | { |
GregCr | 0:9be122c18509 | 2014 | DutyCycleOn = enable; |
GregCr | 0:9be122c18509 | 2015 | } |
GregCr | 0:9be122c18509 | 2016 | |
GregCr | 0:9be122c18509 | 2017 | void LoRaMacSetChannel( uint8_t id, ChannelParams_t params ) |
GregCr | 0:9be122c18509 | 2018 | { |
GregCr | 0:9be122c18509 | 2019 | params.Band = 0; |
GregCr | 0:9be122c18509 | 2020 | Channels[id] = params; |
GregCr | 0:9be122c18509 | 2021 | // Activate the newly created channel |
GregCr | 0:9be122c18509 | 2022 | ChannelsMask |= 1 << id; |
GregCr | 0:9be122c18509 | 2023 | |
GregCr | 0:9be122c18509 | 2024 | #if defined( USE_BAND_868 ) |
GregCr | 0:9be122c18509 | 2025 | if( ( Channels[id].Frequency >= 865000000 ) && ( Channels[id].Frequency <= 868000000 ) ) |
GregCr | 0:9be122c18509 | 2026 | { |
GregCr | 0:9be122c18509 | 2027 | if( Channels[id].Band != BAND_G1_0 ) |
GregCr | 0:9be122c18509 | 2028 | { |
GregCr | 0:9be122c18509 | 2029 | Channels[id].Band = BAND_G1_0; |
GregCr | 0:9be122c18509 | 2030 | } |
GregCr | 0:9be122c18509 | 2031 | } |
GregCr | 0:9be122c18509 | 2032 | else if( ( Channels[id].Frequency > 868000000 ) && ( Channels[id].Frequency <= 868600000 ) ) |
GregCr | 0:9be122c18509 | 2033 | { |
GregCr | 0:9be122c18509 | 2034 | if( Channels[id].Band != BAND_G1_1 ) |
GregCr | 0:9be122c18509 | 2035 | { |
GregCr | 0:9be122c18509 | 2036 | Channels[id].Band = BAND_G1_1; |
GregCr | 0:9be122c18509 | 2037 | } |
GregCr | 0:9be122c18509 | 2038 | } |
GregCr | 0:9be122c18509 | 2039 | else if( ( Channels[id].Frequency >= 868700000 ) && ( Channels[id].Frequency <= 869200000 ) ) |
GregCr | 0:9be122c18509 | 2040 | { |
GregCr | 0:9be122c18509 | 2041 | if( Channels[id].Band != BAND_G1_2 ) |
GregCr | 0:9be122c18509 | 2042 | { |
GregCr | 0:9be122c18509 | 2043 | Channels[id].Band = BAND_G1_2; |
GregCr | 0:9be122c18509 | 2044 | } |
GregCr | 0:9be122c18509 | 2045 | } |
GregCr | 0:9be122c18509 | 2046 | else if( ( Channels[id].Frequency >= 869400000 ) && ( Channels[id].Frequency <= 869650000 ) ) |
GregCr | 0:9be122c18509 | 2047 | { |
GregCr | 0:9be122c18509 | 2048 | if( Channels[id].Band != BAND_G1_3 ) |
GregCr | 0:9be122c18509 | 2049 | { |
GregCr | 0:9be122c18509 | 2050 | Channels[id].Band = BAND_G1_3; |
GregCr | 0:9be122c18509 | 2051 | } |
GregCr | 0:9be122c18509 | 2052 | } |
GregCr | 0:9be122c18509 | 2053 | else if( ( Channels[id].Frequency >= 869700000 ) && ( Channels[id].Frequency <= 870000000 ) ) |
GregCr | 0:9be122c18509 | 2054 | { |
GregCr | 0:9be122c18509 | 2055 | if( Channels[id].Band != BAND_G1_4 ) |
GregCr | 0:9be122c18509 | 2056 | { |
GregCr | 0:9be122c18509 | 2057 | Channels[id].Band = BAND_G1_4; |
GregCr | 0:9be122c18509 | 2058 | } |
GregCr | 0:9be122c18509 | 2059 | } |
GregCr | 0:9be122c18509 | 2060 | else |
GregCr | 0:9be122c18509 | 2061 | { |
GregCr | 0:9be122c18509 | 2062 | Channels[id].Frequency = 0; |
GregCr | 0:9be122c18509 | 2063 | Channels[id].DrRange.Value = 0; |
GregCr | 0:9be122c18509 | 2064 | } |
GregCr | 0:9be122c18509 | 2065 | #endif |
GregCr | 0:9be122c18509 | 2066 | // Check if it is a valid channel |
GregCr | 0:9be122c18509 | 2067 | if( Channels[id].Frequency == 0 ) |
GregCr | 0:9be122c18509 | 2068 | { |
GregCr | 0:9be122c18509 | 2069 | ChannelsMask &= ~( 1 << id ); |
GregCr | 0:9be122c18509 | 2070 | } |
GregCr | 0:9be122c18509 | 2071 | } |
GregCr | 0:9be122c18509 | 2072 | |
GregCr | 0:9be122c18509 | 2073 | void LoRaMacSetRx2Channel( Rx2ChannelParams_t param ) |
GregCr | 0:9be122c18509 | 2074 | { |
GregCr | 0:9be122c18509 | 2075 | Rx2Channel = param; |
GregCr | 0:9be122c18509 | 2076 | } |
GregCr | 0:9be122c18509 | 2077 | |
GregCr | 0:9be122c18509 | 2078 | void LoRaMacSetChannelsTxPower( int8_t txPower ) |
GregCr | 0:9be122c18509 | 2079 | { |
GregCr | 0:9be122c18509 | 2080 | ChannelsTxPower = txPower; |
GregCr | 0:9be122c18509 | 2081 | } |
GregCr | 0:9be122c18509 | 2082 | |
GregCr | 0:9be122c18509 | 2083 | void LoRaMacSetChannelsDatarate( int8_t datarate ) |
GregCr | 0:9be122c18509 | 2084 | { |
GregCr | 0:9be122c18509 | 2085 | ChannelsDefaultDatarate = ChannelsDatarate = datarate; |
GregCr | 0:9be122c18509 | 2086 | } |
GregCr | 0:9be122c18509 | 2087 | |
GregCr | 0:9be122c18509 | 2088 | void LoRaMacSetChannelsMask( uint16_t mask ) |
GregCr | 0:9be122c18509 | 2089 | { |
GregCr | 0:9be122c18509 | 2090 | ChannelsMask = mask; |
GregCr | 0:9be122c18509 | 2091 | } |
GregCr | 0:9be122c18509 | 2092 | |
GregCr | 0:9be122c18509 | 2093 | void LoRaMacSetChannelsNbRep( uint8_t nbRep ) |
GregCr | 0:9be122c18509 | 2094 | { |
GregCr | 0:9be122c18509 | 2095 | if( nbRep < 1 ) |
GregCr | 0:9be122c18509 | 2096 | { |
GregCr | 0:9be122c18509 | 2097 | nbRep = 1; |
GregCr | 0:9be122c18509 | 2098 | } |
GregCr | 0:9be122c18509 | 2099 | if( nbRep > 15 ) |
GregCr | 0:9be122c18509 | 2100 | { |
GregCr | 0:9be122c18509 | 2101 | nbRep = 15; |
GregCr | 0:9be122c18509 | 2102 | } |
GregCr | 0:9be122c18509 | 2103 | ChannelsNbRep = nbRep; |
GregCr | 0:9be122c18509 | 2104 | } |
GregCr | 0:9be122c18509 | 2105 | |
GregCr | 0:9be122c18509 | 2106 | void LoRaMacSetMaxRxWindow( uint32_t delay ) |
GregCr | 0:9be122c18509 | 2107 | { |
GregCr | 0:9be122c18509 | 2108 | MaxRxWindow = delay; |
GregCr | 0:9be122c18509 | 2109 | } |
GregCr | 0:9be122c18509 | 2110 | |
GregCr | 0:9be122c18509 | 2111 | void LoRaMacSetReceiveDelay1( uint32_t delay ) |
GregCr | 0:9be122c18509 | 2112 | { |
GregCr | 0:9be122c18509 | 2113 | ReceiveDelay1 = delay; |
GregCr | 0:9be122c18509 | 2114 | } |
GregCr | 0:9be122c18509 | 2115 | |
GregCr | 0:9be122c18509 | 2116 | void LoRaMacSetReceiveDelay2( uint32_t delay ) |
GregCr | 0:9be122c18509 | 2117 | { |
GregCr | 0:9be122c18509 | 2118 | ReceiveDelay2 = delay; |
GregCr | 0:9be122c18509 | 2119 | } |
GregCr | 0:9be122c18509 | 2120 | |
GregCr | 0:9be122c18509 | 2121 | void LoRaMacSetJoinAcceptDelay1( uint32_t delay ) |
GregCr | 0:9be122c18509 | 2122 | { |
GregCr | 0:9be122c18509 | 2123 | JoinAcceptDelay1 = delay; |
GregCr | 0:9be122c18509 | 2124 | } |
GregCr | 0:9be122c18509 | 2125 | |
GregCr | 0:9be122c18509 | 2126 | void LoRaMacSetJoinAcceptDelay2( uint32_t delay ) |
GregCr | 0:9be122c18509 | 2127 | { |
GregCr | 0:9be122c18509 | 2128 | JoinAcceptDelay2 = delay; |
GregCr | 0:9be122c18509 | 2129 | } |
GregCr | 0:9be122c18509 | 2130 | |
GregCr | 0:9be122c18509 | 2131 | void LoRaMacTestRxWindowsOn( bool enable ) |
GregCr | 0:9be122c18509 | 2132 | { |
GregCr | 0:9be122c18509 | 2133 | IsRxWindowsEnabled = enable; |
GregCr | 0:9be122c18509 | 2134 | } |
GregCr | 0:9be122c18509 | 2135 | |
GregCr | 0:9be122c18509 | 2136 | uint32_t LoRaMacGetUpLinkCounter( void ) |
GregCr | 0:9be122c18509 | 2137 | { |
GregCr | 0:9be122c18509 | 2138 | return UpLinkCounter; |
GregCr | 0:9be122c18509 | 2139 | } |
GregCr | 0:9be122c18509 | 2140 | |
GregCr | 0:9be122c18509 | 2141 | uint32_t LoRaMacGetDownLinkCounter( void ) |
GregCr | 0:9be122c18509 | 2142 | { |
GregCr | 0:9be122c18509 | 2143 | return DownLinkCounter; |
GregCr | 0:9be122c18509 | 2144 | } |
GregCr | 0:9be122c18509 | 2145 | |
GregCr | 0:9be122c18509 | 2146 | void LoRaMacSetMicTest( uint16_t upLinkCounter ) |
GregCr | 0:9be122c18509 | 2147 | { |
GregCr | 0:9be122c18509 | 2148 | UpLinkCounter = upLinkCounter; |
GregCr | 0:9be122c18509 | 2149 | IsUpLinkCounterFixed = true; |
GregCr | 0:9be122c18509 | 2150 | } |