wayne roberts / Mbed OS LoRaWAN_singlechannel_endnode

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Dependencies:   SX127x sx12xx_hal TSL2561

mac/LoRaMac.cpp@29:ad409c68c0a6, 2018-12-07 (annotated)

Committer:
Wayne Roberts
Date:
Fri Dec 07 17:57:41 2018 -0800
Revision:
29:ad409c68c0a6
Parent:
25:fed9d5b77183
Child:
30:1c35c4f56e50
update to latest radio HAL

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dudmuck 0:8f0d0ae0a077 1 /*
dudmuck 0:8f0d0ae0a077 2 / _____) _ | |
dudmuck 0:8f0d0ae0a077 3 ( (____ _____ ____ _| |_ _____ ____| |__
dudmuck 0:8f0d0ae0a077 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
dudmuck 0:8f0d0ae0a077 5 _____) ) ____| | | || |_| ____( (___| | | |
dudmuck 0:8f0d0ae0a077 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
dudmuck 0:8f0d0ae0a077 7 (C)2013 Semtech
dudmuck 0:8f0d0ae0a077 8 ___ _____ _ ___ _ _____ ___ ___ ___ ___
dudmuck 0:8f0d0ae0a077 9 / __|_ _/_\ / __| |/ / __/ _ \| _ \/ __| __|
dudmuck 0:8f0d0ae0a077 10 \__ \ | |/ _ \ (__| ' <| _| (_) | / (__| _|
dudmuck 0:8f0d0ae0a077 11 |___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___|
dudmuck 0:8f0d0ae0a077 12 embedded.connectivity.solutions===============
dudmuck 0:8f0d0ae0a077 13
dudmuck 0:8f0d0ae0a077 14 Description: LoRa MAC layer implementation
dudmuck 0:8f0d0ae0a077 15
dudmuck 0:8f0d0ae0a077 16 License: Revised BSD License, see LICENSE.TXT file include in the project
dudmuck 0:8f0d0ae0a077 17
dudmuck 0:8f0d0ae0a077 18 */
dudmuck 0:8f0d0ae0a077 19 #include <math.h>
dudmuck 0:8f0d0ae0a077 20 #include "board.h"
Wayne Roberts 29:ad409c68c0a6 21 #include "radio.h"
dudmuck 0:8f0d0ae0a077 22
dudmuck 0:8f0d0ae0a077 23 #include "LoRaMacCrypto.h"
dudmuck 0:8f0d0ae0a077 24 #include "LoRaMac.h"
dudmuck 0:8f0d0ae0a077 25 #include "LoRaMacTest.h"
Wayne Roberts 29:ad409c68c0a6 26 #include "LowPowerTimeoutAbs.h"
Wayne Roberts 29:ad409c68c0a6 27
Wayne Roberts 29:ad409c68c0a6 28 //DigitalOut pc2(PC_2);
Wayne Roberts 29:ad409c68c0a6 29 #define BEACONS_MISSED_LIMIT 16
dudmuck 16:915815632c1f 30
dudmuck 0:8f0d0ae0a077 31 #define PING_SLOT_RESOLUTION_us 30000
dudmuck 0:8f0d0ae0a077 32
Wayne Roberts 29:ad409c68c0a6 33 #define PREAMBLE_SYMBS 8
Wayne Roberts 29:ad409c68c0a6 34
Wayne Roberts 29:ad409c68c0a6 35 #define TARGET_PRECESSION_us 3000
Wayne Roberts 29:ad409c68c0a6 36 #define BEACON_RX_TIMEOUT_LOCKED_us 8000
Wayne Roberts 29:ad409c68c0a6 37
dudmuck 0:8f0d0ae0a077 38 /*!
dudmuck 0:8f0d0ae0a077 39 * Maximum PHY layer payload size
dudmuck 0:8f0d0ae0a077 40 */
dudmuck 0:8f0d0ae0a077 41 #define LORAMAC_PHY_MAXPAYLOAD 255
dudmuck 0:8f0d0ae0a077 42
dudmuck 0:8f0d0ae0a077 43 /*!
dudmuck 0:8f0d0ae0a077 44 * Maximum MAC commands buffer size
dudmuck 0:8f0d0ae0a077 45 */
dudmuck 0:8f0d0ae0a077 46 #define LORA_MAC_COMMAND_MAX_LENGTH 15
dudmuck 0:8f0d0ae0a077 47
Wayne Roberts 29:ad409c68c0a6 48 /*! radio timer started later by this much: */
Wayne Roberts 29:ad409c68c0a6 49 static volatile int lpt_offset;
Wayne Roberts 29:ad409c68c0a6 50
Wayne Roberts 29:ad409c68c0a6 51 static volatile us_timestamp_t txDoneAt;
dudmuck 20:42839629a5dc 52
dudmuck 0:8f0d0ae0a077 53 /*!
dudmuck 0:8f0d0ae0a077 54 * Device IEEE EUI
dudmuck 0:8f0d0ae0a077 55 */
dudmuck 0:8f0d0ae0a077 56 static uint8_t *LoRaMacDevEui;
dudmuck 0:8f0d0ae0a077 57
dudmuck 0:8f0d0ae0a077 58 /*!
dudmuck 0:8f0d0ae0a077 59 * Application IEEE EUI
dudmuck 0:8f0d0ae0a077 60 */
dudmuck 0:8f0d0ae0a077 61 static uint8_t *LoRaMacAppEui;
dudmuck 0:8f0d0ae0a077 62
dudmuck 0:8f0d0ae0a077 63 /*!
dudmuck 0:8f0d0ae0a077 64 * AES encryption/decryption cipher application key
dudmuck 0:8f0d0ae0a077 65 */
dudmuck 0:8f0d0ae0a077 66 static uint8_t *LoRaMacAppKey;
dudmuck 0:8f0d0ae0a077 67
dudmuck 0:8f0d0ae0a077 68 /*!
dudmuck 0:8f0d0ae0a077 69 * AES encryption/decryption cipher network session key
dudmuck 0:8f0d0ae0a077 70 */
dudmuck 0:8f0d0ae0a077 71 static uint8_t LoRaMacNwkSKey[] =
dudmuck 0:8f0d0ae0a077 72 {
dudmuck 0:8f0d0ae0a077 73 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dudmuck 0:8f0d0ae0a077 74 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
dudmuck 0:8f0d0ae0a077 75 };
dudmuck 0:8f0d0ae0a077 76
dudmuck 0:8f0d0ae0a077 77 /*!
dudmuck 0:8f0d0ae0a077 78 * AES encryption/decryption cipher application session key
dudmuck 0:8f0d0ae0a077 79 */
dudmuck 0:8f0d0ae0a077 80 static uint8_t LoRaMacAppSKey[] =
dudmuck 0:8f0d0ae0a077 81 {
dudmuck 0:8f0d0ae0a077 82 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dudmuck 0:8f0d0ae0a077 83 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
dudmuck 0:8f0d0ae0a077 84 };
dudmuck 0:8f0d0ae0a077 85
dudmuck 0:8f0d0ae0a077 86 /*!
dudmuck 0:8f0d0ae0a077 87 * Device nonce is a random value extracted by issuing a sequence of RSSI
dudmuck 0:8f0d0ae0a077 88 * measurements
dudmuck 0:8f0d0ae0a077 89 */
dudmuck 0:8f0d0ae0a077 90 static uint16_t LoRaMacDevNonce;
dudmuck 0:8f0d0ae0a077 91
dudmuck 0:8f0d0ae0a077 92 /*!
dudmuck 0:8f0d0ae0a077 93 * Network ID ( 3 bytes )
dudmuck 0:8f0d0ae0a077 94 */
dudmuck 0:8f0d0ae0a077 95 static uint32_t LoRaMacNetID;
dudmuck 0:8f0d0ae0a077 96
dudmuck 0:8f0d0ae0a077 97 /*!
dudmuck 0:8f0d0ae0a077 98 * Mote Address
dudmuck 0:8f0d0ae0a077 99 */
dudmuck 0:8f0d0ae0a077 100 static uint32_t LoRaMacDevAddr;
dudmuck 0:8f0d0ae0a077 101
dudmuck 0:8f0d0ae0a077 102 /*!
dudmuck 0:8f0d0ae0a077 103 * Multicast channels linked list
dudmuck 0:8f0d0ae0a077 104 */
dudmuck 0:8f0d0ae0a077 105 static MulticastParams_t *MulticastChannels = NULL;
dudmuck 0:8f0d0ae0a077 106
dudmuck 0:8f0d0ae0a077 107 /*!
dudmuck 0:8f0d0ae0a077 108 * Indicates if the node is connected to a private or public network
dudmuck 0:8f0d0ae0a077 109 */
dudmuck 0:8f0d0ae0a077 110 static bool PublicNetwork;
dudmuck 0:8f0d0ae0a077 111
Wayne Roberts 29:ad409c68c0a6 112 uint8_t tx_buf_len;
Wayne Roberts 29:ad409c68c0a6 113
Wayne Roberts 29:ad409c68c0a6 114 static uint8_t rxFRMPayload[244];
dudmuck 0:8f0d0ae0a077 115
dudmuck 0:8f0d0ae0a077 116 /*!
dudmuck 0:8f0d0ae0a077 117 * LoRaMAC frame counter. Each time a packet is sent the counter is incremented.
dudmuck 0:8f0d0ae0a077 118 * Only the 16 LSB bits are sent
dudmuck 0:8f0d0ae0a077 119 */
dudmuck 0:8f0d0ae0a077 120 static uint32_t UpLinkCounter = 0;
dudmuck 0:8f0d0ae0a077 121
dudmuck 0:8f0d0ae0a077 122 /*!
dudmuck 0:8f0d0ae0a077 123 * LoRaMAC frame counter. Each time a packet is received the counter is incremented.
dudmuck 0:8f0d0ae0a077 124 * Only the 16 LSB bits are received
dudmuck 0:8f0d0ae0a077 125 */
dudmuck 0:8f0d0ae0a077 126 static uint32_t DownLinkCounter = 0;
dudmuck 0:8f0d0ae0a077 127
dudmuck 0:8f0d0ae0a077 128 /*!
dudmuck 0:8f0d0ae0a077 129 * IsPacketCounterFixed enables the MIC field tests by fixing the
dudmuck 0:8f0d0ae0a077 130 * UpLinkCounter value
dudmuck 0:8f0d0ae0a077 131 */
dudmuck 16:915815632c1f 132 //static bool IsUpLinkCounterFixed = false;
dudmuck 0:8f0d0ae0a077 133
dudmuck 0:8f0d0ae0a077 134 /*!
dudmuck 0:8f0d0ae0a077 135 * Used for test purposes. Disables the opening of the reception windows.
dudmuck 0:8f0d0ae0a077 136 */
dudmuck 0:8f0d0ae0a077 137 static bool IsRxWindowsEnabled = true;
Wayne Roberts 29:ad409c68c0a6 138 LowPowerTimeoutAbs _rx_timeout;
Wayne Roberts 29:ad409c68c0a6 139 volatile us_timestamp_t _rx_timeout_setAt;
dudmuck 0:8f0d0ae0a077 140
dudmuck 0:8f0d0ae0a077 141 /*!
dudmuck 0:8f0d0ae0a077 142 * Indicates if the MAC layer wants to send MAC commands
dudmuck 0:8f0d0ae0a077 143 */
dudmuck 0:8f0d0ae0a077 144 static bool MacCommandsInNextTx = false;
dudmuck 0:8f0d0ae0a077 145
dudmuck 0:8f0d0ae0a077 146 /*!
dudmuck 0:8f0d0ae0a077 147 * Contains the current MacCommandsBuffer index
dudmuck 0:8f0d0ae0a077 148 */
dudmuck 0:8f0d0ae0a077 149 static uint8_t MacCommandsBufferIndex = 0;
dudmuck 0:8f0d0ae0a077 150
dudmuck 0:8f0d0ae0a077 151 /*!
dudmuck 0:8f0d0ae0a077 152 * Contains the current MacCommandsBuffer index for MAC commands to repeat
dudmuck 0:8f0d0ae0a077 153 */
dudmuck 0:8f0d0ae0a077 154 static uint8_t MacCommandsBufferToRepeatIndex = 0;
dudmuck 0:8f0d0ae0a077 155
dudmuck 0:8f0d0ae0a077 156 /*!
dudmuck 0:8f0d0ae0a077 157 * Buffer containing the MAC layer commands
dudmuck 0:8f0d0ae0a077 158 */
dudmuck 0:8f0d0ae0a077 159 static uint8_t MacCommandsBuffer[LORA_MAC_COMMAND_MAX_LENGTH];
dudmuck 0:8f0d0ae0a077 160
dudmuck 0:8f0d0ae0a077 161 /*!
dudmuck 0:8f0d0ae0a077 162 * Buffer containing the MAC layer commands which must be repeated
dudmuck 0:8f0d0ae0a077 163 */
dudmuck 0:8f0d0ae0a077 164 static uint8_t MacCommandsBufferToRepeat[LORA_MAC_COMMAND_MAX_LENGTH];
dudmuck 0:8f0d0ae0a077 165
dudmuck 18:9ac71c0eb70d 166 #define BEACON_SIZE 6 /* bytes */
dudmuck 18:9ac71c0eb70d 167 #define BEACON_CHANNEL_DR LORAMAC_DEFAULT_DATARATE
dudmuck 18:9ac71c0eb70d 168
dudmuck 18:9ac71c0eb70d 169
Wayne Roberts 29:ad409c68c0a6 170 #ifdef SX128x_H
Wayne Roberts 29:ad409c68c0a6 171
Wayne Roberts 29:ad409c68c0a6 172 #define LORA_MAX_NB_CHANNELS 8
Wayne Roberts 29:ad409c68c0a6 173
Wayne Roberts 29:ad409c68c0a6 174 // 0 1 2 3 4 5 6 7
Wayne Roberts 29:ad409c68c0a6 175 const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 6, 5 };
Wayne Roberts 29:ad409c68c0a6 176 #define SF_FROM_DR0 12 /* DR0 is sf12 */
Wayne Roberts 29:ad409c68c0a6 177 #define SF_FROM_DR1 11 /* DR1 is sf11 */
Wayne Roberts 29:ad409c68c0a6 178 #define SF_FROM_DR2 10 /* DR2 is sf10 */
Wayne Roberts 29:ad409c68c0a6 179 #define SF_FROM_DR3 9 /* DR3 is sf9 */
Wayne Roberts 29:ad409c68c0a6 180 #define SF_FROM_DR4 8 /* DR4 is sf8 */
Wayne Roberts 29:ad409c68c0a6 181 #define SF_FROM_DR5 7 /* DR5 is sf7 */
Wayne Roberts 29:ad409c68c0a6 182 #define SF_FROM_DR6 6 /* DR5 is sf6 */
Wayne Roberts 29:ad409c68c0a6 183 #define SF_FROM_DR7 5 /* DR7 is sf5 */
Wayne Roberts 29:ad409c68c0a6 184
Wayne Roberts 29:ad409c68c0a6 185
Wayne Roberts 29:ad409c68c0a6 186 const int8_t TxPowers[] = { 12, 5 };
Wayne Roberts 29:ad409c68c0a6 187 #define LORAMAC_FIRST_CHANNEL ( (uint32_t)2486.9e6 )
Wayne Roberts 29:ad409c68c0a6 188 #define LORAMAC_STEPWIDTH_CHANNEL ( (uint32_t)300e3 )
Wayne Roberts 29:ad409c68c0a6 189
Wayne Roberts 29:ad409c68c0a6 190 #define LORA_BANDWIDTH_KHZ 200
Wayne Roberts 29:ad409c68c0a6 191
Wayne Roberts 29:ad409c68c0a6 192 /*
Wayne Roberts 29:ad409c68c0a6 193 #define STR_HELPER(x) #x
Wayne Roberts 29:ad409c68c0a6 194 #define STR(x) STR_HELPER(x)
Wayne Roberts 29:ad409c68c0a6 195 #pragma message "content of BEACON_RXDONE_LATENCY_us: " STR(BEACON_RXDONE_LATENCY_us)
Wayne Roberts 29:ad409c68c0a6 196 */
Wayne Roberts 29:ad409c68c0a6 197
Wayne Roberts 29:ad409c68c0a6 198 /* end sx1280 */
Wayne Roberts 29:ad409c68c0a6 199 #elif defined( USE_BAND_915_SINGLE )
dudmuck 18:9ac71c0eb70d 200 /*!
dudmuck 18:9ac71c0eb70d 201 * Data rates table definition
Wayne Roberts 29:ad409c68c0a6 202 DR: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15*/
dudmuck 18:9ac71c0eb70d 203 const uint8_t Datarates[] = { 10, 9, 8, 7, 8, 0, 0, 0, 12, 11, 10, 9, 8, 7, 0, 0 };
Wayne Roberts 29:ad409c68c0a6 204 #define SF_FROM_DR8 12
Wayne Roberts 29:ad409c68c0a6 205 #define SF_FROM_DR9 11
Wayne Roberts 29:ad409c68c0a6 206 #define SF_FROM_DR10 10
Wayne Roberts 29:ad409c68c0a6 207 #define SF_FROM_DR11 9
Wayne Roberts 29:ad409c68c0a6 208 #define SF_FROM_DR12 8
Wayne Roberts 29:ad409c68c0a6 209 #define SF_FROM_DR13 7
dudmuck 18:9ac71c0eb70d 210
dudmuck 18:9ac71c0eb70d 211 /*!
dudmuck 18:9ac71c0eb70d 212 * Tx output powers table definition
dudmuck 18:9ac71c0eb70d 213 */
dudmuck 23:a862b5601663 214 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
dudmuck 23:a862b5601663 215 const int8_t TxPowers[] = { 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2, 0 };
dudmuck 18:9ac71c0eb70d 216 #define LORAMAC_FIRST_CHANNEL ( (uint32_t)910.0e6 )
dudmuck 18:9ac71c0eb70d 217 #define LORAMAC_STEPWIDTH_CHANNEL ( (uint32_t)800e3 )
dudmuck 18:9ac71c0eb70d 218 #define LORA_MAX_NB_CHANNELS 8
dudmuck 18:9ac71c0eb70d 219
Wayne Roberts 29:ad409c68c0a6 220 #define LORA_BANDWIDTH_KHZ 500
Wayne Roberts 29:ad409c68c0a6 221 /*
Wayne Roberts 29:ad409c68c0a6 222 #define STR_HELPER(x) #x
Wayne Roberts 29:ad409c68c0a6 223 #define STR(x) STR_HELPER(x)
Wayne Roberts 29:ad409c68c0a6 224 #pragma message "content of BEACON_RXDONE_LATENCY_us: " STR(BEACON_RXDONE_LATENCY_us)
Wayne Roberts 29:ad409c68c0a6 225 #pragma message "content of BEACON_TOA_us: " STR(BEACON_TOA_us)
Wayne Roberts 29:ad409c68c0a6 226 */
dudmuck 18:9ac71c0eb70d 227
dudmuck 18:9ac71c0eb70d 228 /* end us915 */
Wayne Roberts 29:ad409c68c0a6 229 #elif defined(USE_BAND_433)
Wayne Roberts 29:ad409c68c0a6 230 // DR: 0 1 2 3 4 5 6 7
dudmuck 18:9ac71c0eb70d 231 const uint8_t Datarates[] = { 12, 11, 10, 9, 8, 7, 7, 50 };
Wayne Roberts 29:ad409c68c0a6 232 #define SF_FROM_DR0 12
Wayne Roberts 29:ad409c68c0a6 233 #define SF_FROM_DR1 11
Wayne Roberts 29:ad409c68c0a6 234 #define SF_FROM_DR2 10
Wayne Roberts 29:ad409c68c0a6 235 #define SF_FROM_DR3 9
Wayne Roberts 29:ad409c68c0a6 236 #define SF_FROM_DR4 8
Wayne Roberts 29:ad409c68c0a6 237 #define SF_FROM_DR5 7
Wayne Roberts 29:ad409c68c0a6 238
dudmuck 18:9ac71c0eb70d 239 const int8_t TxPowers[] = { 10, 7, 4, 1, -2, -5 };
Wayne Roberts 29:ad409c68c0a6 240 #define LORA_BANDWIDTH_KHZ 125
dudmuck 18:9ac71c0eb70d 241
dudmuck 18:9ac71c0eb70d 242 #define LORAMAC_FIRST_CHANNEL ( (uint32_t)433.32e6 )
dudmuck 18:9ac71c0eb70d 243 #define LORAMAC_STEPWIDTH_CHANNEL ( (uint32_t)200e3 )
dudmuck 18:9ac71c0eb70d 244 #define LORA_MAX_NB_CHANNELS 7
dudmuck 18:9ac71c0eb70d 245
dudmuck 18:9ac71c0eb70d 246 /* end USE_BAND_433 */
dudmuck 18:9ac71c0eb70d 247 #else
dudmuck 18:9ac71c0eb70d 248 #error "Please define a frequency band in the compiler options."
dudmuck 0:8f0d0ae0a077 249 #endif
dudmuck 0:8f0d0ae0a077 250
Wayne Roberts 29:ad409c68c0a6 251 #define _SF_FROM_DR(dr) SF_FROM_DR ## dr
Wayne Roberts 29:ad409c68c0a6 252 #define SF_FROM_DR_(x) _SF_FROM_DR(x)
Wayne Roberts 29:ad409c68c0a6 253
Wayne Roberts 29:ad409c68c0a6 254 #ifdef SX128x_H
Wayne Roberts 29:ad409c68c0a6 255
Wayne Roberts 29:ad409c68c0a6 256 #define LATENCY_FROM_1600KHZ_SF12 17300
Wayne Roberts 29:ad409c68c0a6 257 #define LATENCY_FROM_1600KHZ_SF11 16900
Wayne Roberts 29:ad409c68c0a6 258 #define LATENCY_FROM_1600KHZ_SF10 4300
Wayne Roberts 29:ad409c68c0a6 259 #define LATENCY_FROM_1600KHZ_SF9 4000
Wayne Roberts 29:ad409c68c0a6 260 #define LATENCY_FROM_1600KHZ_SF8 1050
Wayne Roberts 29:ad409c68c0a6 261 #define LATENCY_FROM_1600KHZ_SF7 1000
Wayne Roberts 29:ad409c68c0a6 262 #define LATENCY_FROM_1600KHZ_SF6 504
Wayne Roberts 29:ad409c68c0a6 263 #define LATENCY_FROM_1600KHZ_SF5 256
Wayne Roberts 29:ad409c68c0a6 264
Wayne Roberts 29:ad409c68c0a6 265 #define _LATENCY_FROM_SF(sf) LATENCY_FROM_1600KHZ_SF ## sf
Wayne Roberts 29:ad409c68c0a6 266 #define LATENCY_FROM_SF_(x) _LATENCY_FROM_SF(x)
Wayne Roberts 29:ad409c68c0a6 267
Wayne Roberts 29:ad409c68c0a6 268 /* 6 byte implict packet */
Wayne Roberts 29:ad409c68c0a6 269 #define BEACON_TOA_FROM_1600KHZ_SF12 66000
Wayne Roberts 29:ad409c68c0a6 270 #define BEACON_TOA_FROM_1600KHZ_SF11 33100
Wayne Roberts 29:ad409c68c0a6 271 #define BEACON_TOA_FROM_1600KHZ_SF10 16400
Wayne Roberts 29:ad409c68c0a6 272 #define BEACON_TOA_FROM_1600KHZ_SF9 8260
Wayne Roberts 29:ad409c68c0a6 273 #define BEACON_TOA_FROM_1600KHZ_SF8 5100
Wayne Roberts 29:ad409c68c0a6 274 #define BEACON_TOA_FROM_1600KHZ_SF7 2560
Wayne Roberts 29:ad409c68c0a6 275 #define BEACON_TOA_FROM_1600KHZ_SF6 1350
Wayne Roberts 29:ad409c68c0a6 276 #define BEACON_TOA_FROM_1600KHZ_SF5 800
Wayne Roberts 29:ad409c68c0a6 277
Wayne Roberts 29:ad409c68c0a6 278 #define BEACON_RXDONE_LATENCY_us (LATENCY_FROM_SF_( SF_FROM_DR_(LORAMAC_DEFAULT_DATARATE) ) * (1600/LORA_BANDWIDTH_KHZ))
Wayne Roberts 29:ad409c68c0a6 279
Wayne Roberts 29:ad409c68c0a6 280 #define _BEACON_TOA_FROM_SF(sf) BEACON_TOA_FROM_1600KHZ_SF ## sf
Wayne Roberts 29:ad409c68c0a6 281 #define BEACON_TOA_FROM_SF_(x) _BEACON_TOA_FROM_SF(x)
Wayne Roberts 29:ad409c68c0a6 282 #define BEACON_TOA_us (BEACON_TOA_FROM_SF_( SF_FROM_DR_(LORAMAC_DEFAULT_DATARATE) ) * (1600/LORA_BANDWIDTH_KHZ))
Wayne Roberts 29:ad409c68c0a6 283
Wayne Roberts 29:ad409c68c0a6 284 #elif defined(SX126x_H) || defined(SX127x_H)
Wayne Roberts 29:ad409c68c0a6 285
Wayne Roberts 29:ad409c68c0a6 286 /* 6 byte implict packet */
Wayne Roberts 29:ad409c68c0a6 287 #define BEACON_TOA_FROM_500KHZ_SF12 198000
Wayne Roberts 29:ad409c68c0a6 288 #define BEACON_TOA_FROM_500KHZ_SF11 97750
Wayne Roberts 29:ad409c68c0a6 289 #define BEACON_TOA_FROM_500KHZ_SF10 49630
Wayne Roberts 29:ad409c68c0a6 290 #define BEACON_TOA_FROM_500KHZ_SF9 24500
Wayne Roberts 29:ad409c68c0a6 291 #define BEACON_TOA_FROM_500KHZ_SF8 12500
Wayne Roberts 29:ad409c68c0a6 292 #define BEACON_TOA_FROM_500KHZ_SF7 6250
Wayne Roberts 29:ad409c68c0a6 293 #define BEACON_TOA_FROM_500KHZ_SF6 3320
Wayne Roberts 29:ad409c68c0a6 294 #define BEACON_TOA_FROM_500KHZ_SF5 1940
Wayne Roberts 29:ad409c68c0a6 295
Wayne Roberts 29:ad409c68c0a6 296 #define LATENCY_FROM_500KHZ_SF12 7750
Wayne Roberts 29:ad409c68c0a6 297 #define LATENCY_FROM_500KHZ_SF11 3600
Wayne Roberts 29:ad409c68c0a6 298 #define LATENCY_FROM_500KHZ_SF10 1675
Wayne Roberts 29:ad409c68c0a6 299 #define LATENCY_FROM_500KHZ_SF9 7875
Wayne Roberts 29:ad409c68c0a6 300 #define LATENCY_FROM_500KHZ_SF8 385
Wayne Roberts 29:ad409c68c0a6 301 #define LATENCY_FROM_500KHZ_SF7 195
Wayne Roberts 29:ad409c68c0a6 302 #define LATENCY_FROM_500KHZ_SF6 103
Wayne Roberts 29:ad409c68c0a6 303 #define LATENCY_FROM_500KHZ_SF5 48
Wayne Roberts 29:ad409c68c0a6 304
Wayne Roberts 29:ad409c68c0a6 305 #define _LATENCY_FROM_SF(sf) LATENCY_FROM_500KHZ_SF ## sf
Wayne Roberts 29:ad409c68c0a6 306 #define LATENCY_FROM_SF_(x) _LATENCY_FROM_SF(x)
Wayne Roberts 29:ad409c68c0a6 307
Wayne Roberts 29:ad409c68c0a6 308 #define BEACON_RXDONE_LATENCY_us (LATENCY_FROM_SF_( SF_FROM_DR_(LORAMAC_DEFAULT_DATARATE) ) * (500/LORA_BANDWIDTH_KHZ))
Wayne Roberts 29:ad409c68c0a6 309
Wayne Roberts 29:ad409c68c0a6 310 #define _BEACON_TOA_FROM_SF(sf) BEACON_TOA_FROM_500KHZ_SF ## sf
Wayne Roberts 29:ad409c68c0a6 311 #define BEACON_TOA_FROM_SF_(x) _BEACON_TOA_FROM_SF(x)
Wayne Roberts 29:ad409c68c0a6 312 #define BEACON_TOA_us (BEACON_TOA_FROM_SF_( SF_FROM_DR_(LORAMAC_DEFAULT_DATARATE) ) * (500/LORA_BANDWIDTH_KHZ))
Wayne Roberts 29:ad409c68c0a6 313 #endif /* SX126x_H || SX127x_H */
Wayne Roberts 29:ad409c68c0a6 314
Wayne Roberts 29:ad409c68c0a6 315 const us_timestamp_t beaconDuration = BEACON_TOA_us + BEACON_RXDONE_LATENCY_us;
Wayne Roberts 29:ad409c68c0a6 316
dudmuck 18:9ac71c0eb70d 317 static ChannelParams_t Channels[LORA_MAX_NB_CHANNELS]; // populated in init
dudmuck 18:9ac71c0eb70d 318
dudmuck 16:915815632c1f 319 #define BEACON_GUARD_us 2000000 // pre-beacon start
dudmuck 0:8f0d0ae0a077 320 #define BEACON_RESERVED_us 2120000 // post-beacon start
dudmuck 0:8f0d0ae0a077 321
Wayne Roberts 29:ad409c68c0a6 322 #define MIN_SYMBOL_TIMEOUT 8 // number of symbols to keep receiver open for
dudmuck 13:18de9ee3a461 323
dudmuck 0:8f0d0ae0a077 324 /*!
dudmuck 0:8f0d0ae0a077 325 * LoRaMac parameters
dudmuck 0:8f0d0ae0a077 326 */
dudmuck 0:8f0d0ae0a077 327 LoRaMacParams_t LoRaMacParams;
dudmuck 0:8f0d0ae0a077 328
dudmuck 0:8f0d0ae0a077 329 /*!
dudmuck 0:8f0d0ae0a077 330 * LoRaMac default parameters
dudmuck 0:8f0d0ae0a077 331 */
dudmuck 0:8f0d0ae0a077 332 LoRaMacParams_t LoRaMacParamsDefaults;
dudmuck 0:8f0d0ae0a077 333
dudmuck 0:8f0d0ae0a077 334 /*!
dudmuck 0:8f0d0ae0a077 335 * Uplink messages repetitions counter
dudmuck 0:8f0d0ae0a077 336 */
dudmuck 0:8f0d0ae0a077 337 static uint8_t ChannelsNbRepCounter = 0;
dudmuck 0:8f0d0ae0a077 338
dudmuck 0:8f0d0ae0a077 339 /*!
dudmuck 0:8f0d0ae0a077 340 * Current channel index
dudmuck 0:8f0d0ae0a077 341 */
dudmuck 0:8f0d0ae0a077 342 static uint8_t Channel;
dudmuck 0:8f0d0ae0a077 343
dudmuck 0:8f0d0ae0a077 344 /*!
dudmuck 0:8f0d0ae0a077 345 * LoRaMac upper layer event functions
dudmuck 0:8f0d0ae0a077 346 */
dudmuck 0:8f0d0ae0a077 347 static LoRaMacPrimitives_t *LoRaMacPrimitives;
dudmuck 0:8f0d0ae0a077 348
dudmuck 0:8f0d0ae0a077 349 /*!
dudmuck 0:8f0d0ae0a077 350 * LoRaMac upper layer callback functions
dudmuck 0:8f0d0ae0a077 351 */
dudmuck 0:8f0d0ae0a077 352 static LoRaMacCallback_t *LoRaMacCallbacks;
dudmuck 0:8f0d0ae0a077 353
dudmuck 0:8f0d0ae0a077 354 /*!
dudmuck 0:8f0d0ae0a077 355 * LoRaMac duty cycle delayed Tx timer
dudmuck 0:8f0d0ae0a077 356 */
Wayne Roberts 29:ad409c68c0a6 357 LowPowerTimeoutAbs _tx_timeout;
dudmuck 0:8f0d0ae0a077 358
dudmuck 0:8f0d0ae0a077 359 /*!
dudmuck 0:8f0d0ae0a077 360 * LoRaMac reception windows delay
dudmuck 0:8f0d0ae0a077 361 * \remark normal frame: RxWindowXDelay = ReceiveDelayX - RADIO_WAKEUP_TIME
dudmuck 0:8f0d0ae0a077 362 * join frame : RxWindowXDelay = JoinAcceptDelayX - RADIO_WAKEUP_TIME
dudmuck 0:8f0d0ae0a077 363 */
dudmuck 0:8f0d0ae0a077 364 static uint32_t RxWindowDelay_us;
dudmuck 0:8f0d0ae0a077 365
dudmuck 0:8f0d0ae0a077 366 typedef enum {
dudmuck 0:8f0d0ae0a077 367 BEACON_STATE_NONE = 0,
dudmuck 0:8f0d0ae0a077 368 BEACON_STATE_FIRST_ACQ,
dudmuck 0:8f0d0ae0a077 369 BEACON_STATE_ACQ_ERROR,
dudmuck 21:500ff43d8424 370 BEACON_STATE_LOCKED,
dudmuck 0:8f0d0ae0a077 371 } beacon_state_e;
dudmuck 0:8f0d0ae0a077 372
dudmuck 16:915815632c1f 373 static struct beacon_struct {
dudmuck 0:8f0d0ae0a077 374 int rx_precession_us; // positive: rxing before tx start, negative: rxing after tx start
Wayne Roberts 29:ad409c68c0a6 375 us_timestamp_t rx_setup_at;
Wayne Roberts 29:ad409c68c0a6 376 us_timestamp_t LastBeaconRx_us; // updated only at beacon reception
Wayne Roberts 29:ad409c68c0a6 377 us_timestamp_t sendAt;
Wayne Roberts 29:ad409c68c0a6 378 int lastSendAtErr;
dudmuck 13:18de9ee3a461 379 int last_BeaconRxTimerError_us;
dudmuck 13:18de9ee3a461 380 int known_working_BeaconRxTimerError_us;
dudmuck 0:8f0d0ae0a077 381
Wayne Roberts 29:ad409c68c0a6 382 unsigned symbol_period_us;
dudmuck 0:8f0d0ae0a077 383
dudmuck 0:8f0d0ae0a077 384 uint8_t Precess_symbols; // how many symbols we want to start receiver before expected transmitter
Wayne Roberts 29:ad409c68c0a6 385 uint16_t nSymbsTimeout;
Wayne Roberts 29:ad409c68c0a6 386 unsigned SymbolTimeout_us;
dudmuck 0:8f0d0ae0a077 387 uint8_t num_missed;
dudmuck 0:8f0d0ae0a077 388
dudmuck 0:8f0d0ae0a077 389 beacon_state_e state;
dudmuck 0:8f0d0ae0a077 390
dudmuck 0:8f0d0ae0a077 391 uint16_t tx_slot_offset;
dudmuck 0:8f0d0ae0a077 392 uint16_t periodicity_slots;
Wayne Roberts 29:ad409c68c0a6 393 uint16_t sendOpportunities;
Wayne Roberts 29:ad409c68c0a6 394
Wayne Roberts 29:ad409c68c0a6 395 LowPowerTimeoutAbs _timeout_rx;
Wayne Roberts 29:ad409c68c0a6 396 LowPowerTimeoutAbs _timeout_guard;
dudmuck 16:915815632c1f 397 bool guard;
dudmuck 0:8f0d0ae0a077 398 } BeaconCtx;
dudmuck 0:8f0d0ae0a077 399
dudmuck 0:8f0d0ae0a077 400 /*!
dudmuck 0:8f0d0ae0a077 401 * Rx window parameters
dudmuck 0:8f0d0ae0a077 402 */
dudmuck 0:8f0d0ae0a077 403 typedef struct
dudmuck 0:8f0d0ae0a077 404 {
dudmuck 0:8f0d0ae0a077 405 int8_t Datarate;
dudmuck 0:8f0d0ae0a077 406 uint32_t RxWindowTimeout;
Wayne Roberts 29:ad409c68c0a6 407 } RxConfigParams_t;
dudmuck 0:8f0d0ae0a077 408
dudmuck 0:8f0d0ae0a077 409 /*!
dudmuck 0:8f0d0ae0a077 410 * Rx windows params
dudmuck 0:8f0d0ae0a077 411 */
dudmuck 0:8f0d0ae0a077 412 static RxConfigParams_t RxWindowsParam;
dudmuck 0:8f0d0ae0a077 413
dudmuck 0:8f0d0ae0a077 414 /*!
dudmuck 0:8f0d0ae0a077 415 * Acknowledge timeout timer. Used for packet retransmissions.
dudmuck 0:8f0d0ae0a077 416 */
dudmuck 0:8f0d0ae0a077 417 static LowPowerTimeout AckTimeoutTimer;
dudmuck 0:8f0d0ae0a077 418
dudmuck 0:8f0d0ae0a077 419 /*!
dudmuck 0:8f0d0ae0a077 420 * Number of trials for the Join Request
dudmuck 0:8f0d0ae0a077 421 */
dudmuck 0:8f0d0ae0a077 422 static uint8_t JoinRequestTrials;
dudmuck 0:8f0d0ae0a077 423
dudmuck 0:8f0d0ae0a077 424 /*!
dudmuck 0:8f0d0ae0a077 425 * Maximum number of trials for the Join Request
dudmuck 0:8f0d0ae0a077 426 */
dudmuck 0:8f0d0ae0a077 427 static uint8_t MaxJoinRequestTrials;
dudmuck 0:8f0d0ae0a077 428
dudmuck 0:8f0d0ae0a077 429 /*!
dudmuck 0:8f0d0ae0a077 430 * Structure to hold an MCPS indication data.
dudmuck 0:8f0d0ae0a077 431 */
dudmuck 0:8f0d0ae0a077 432 static McpsIndication_t McpsIndication;
dudmuck 0:8f0d0ae0a077 433
dudmuck 0:8f0d0ae0a077 434 /*!
dudmuck 0:8f0d0ae0a077 435 * Structure to hold MCPS confirm data.
dudmuck 0:8f0d0ae0a077 436 */
dudmuck 0:8f0d0ae0a077 437 static McpsConfirm_t McpsConfirm;
dudmuck 0:8f0d0ae0a077 438
dudmuck 0:8f0d0ae0a077 439 /*!
dudmuck 0:8f0d0ae0a077 440 * Structure to hold MLME confirm data.
dudmuck 0:8f0d0ae0a077 441 */
dudmuck 0:8f0d0ae0a077 442 static MlmeConfirm_t MlmeConfirm;
dudmuck 0:8f0d0ae0a077 443
dudmuck 0:8f0d0ae0a077 444 /*!
dudmuck 0:8f0d0ae0a077 445 * Structure to hold MLME indication data.
dudmuck 0:8f0d0ae0a077 446 */
dudmuck 0:8f0d0ae0a077 447 static MlmeIndication_t MlmeIndication;
dudmuck 0:8f0d0ae0a077 448
dudmuck 0:8f0d0ae0a077 449 /*!
dudmuck 0:8f0d0ae0a077 450 * LoRaMac tx/rx operation state
dudmuck 0:8f0d0ae0a077 451 */
Wayne Roberts 29:ad409c68c0a6 452 volatile LoRaMacFlags_t LoRaMacFlags;
dudmuck 0:8f0d0ae0a077 453
dudmuck 0:8f0d0ae0a077 454 /*!
dudmuck 0:8f0d0ae0a077 455 * \brief This function prepares the MAC to abort the execution of function
dudmuck 0:8f0d0ae0a077 456 * OnRadioRxDone in case of a reception error.
dudmuck 0:8f0d0ae0a077 457 */
dudmuck 0:8f0d0ae0a077 458 static void PrepareRxDoneAbort( void );
dudmuck 0:8f0d0ae0a077 459
dudmuck 0:8f0d0ae0a077 460 /*!
dudmuck 0:8f0d0ae0a077 461 * \brief Function executed on Radio Tx Timeout event
dudmuck 0:8f0d0ae0a077 462 */
dudmuck 0:8f0d0ae0a077 463 static void OnRadioTxTimeout( void );
dudmuck 0:8f0d0ae0a077 464
dudmuck 0:8f0d0ae0a077 465 /*!
dudmuck 0:8f0d0ae0a077 466 * \brief Function executed on Radio Rx error event
dudmuck 0:8f0d0ae0a077 467 */
dudmuck 0:8f0d0ae0a077 468 static void OnRadioRxError( void );
dudmuck 0:8f0d0ae0a077 469
dudmuck 0:8f0d0ae0a077 470 /*!
dudmuck 0:8f0d0ae0a077 471 * \brief Function executed on Radio Rx Timeout event
dudmuck 0:8f0d0ae0a077 472 */
dudmuck 0:8f0d0ae0a077 473 static void OnRadioRxTimeout( void );
dudmuck 0:8f0d0ae0a077 474
dudmuck 0:8f0d0ae0a077 475 /*!
dudmuck 0:8f0d0ae0a077 476 * \brief Function executed on AckTimeout timer event
dudmuck 0:8f0d0ae0a077 477 */
dudmuck 0:8f0d0ae0a077 478 static void OnAckTimeoutTimerEvent( void );
dudmuck 0:8f0d0ae0a077 479
dudmuck 0:8f0d0ae0a077 480 /*!
dudmuck 0:8f0d0ae0a077 481 * \brief Adds a new MAC command to be sent.
dudmuck 0:8f0d0ae0a077 482 *
dudmuck 0:8f0d0ae0a077 483 * \Remark MAC layer internal function
dudmuck 0:8f0d0ae0a077 484 *
dudmuck 0:8f0d0ae0a077 485 * \param [in] cmd MAC command to be added
dudmuck 0:8f0d0ae0a077 486 * [MOTE_MAC_LINK_CHECK_REQ,
dudmuck 0:8f0d0ae0a077 487 * MOTE_MAC_LINK_ADR_ANS,
dudmuck 0:8f0d0ae0a077 488 * MOTE_MAC_DUTY_CYCLE_ANS,
dudmuck 0:8f0d0ae0a077 489 * MOTE_MAC_RX2_PARAM_SET_ANS,
dudmuck 0:8f0d0ae0a077 490 * MOTE_MAC_DEV_STATUS_ANS
dudmuck 0:8f0d0ae0a077 491 * MOTE_MAC_NEW_CHANNEL_ANS]
dudmuck 0:8f0d0ae0a077 492 * \param [in] p1 1st parameter ( optional depends on the command )
dudmuck 0:8f0d0ae0a077 493 * \param [in] p2 2nd parameter ( optional depends on the command )
dudmuck 0:8f0d0ae0a077 494 *
dudmuck 0:8f0d0ae0a077 495 * \retval status Function status [0: OK, 1: Unknown command, 2: Buffer full]
dudmuck 0:8f0d0ae0a077 496 */
dudmuck 0:8f0d0ae0a077 497 static LoRaMacStatus_t AddMacCommand( uint8_t cmd, uint8_t p1, uint8_t p2 );
dudmuck 0:8f0d0ae0a077 498
dudmuck 0:8f0d0ae0a077 499 /*!
dudmuck 0:8f0d0ae0a077 500 * \brief Parses the MAC commands which must be repeated.
dudmuck 0:8f0d0ae0a077 501 *
dudmuck 0:8f0d0ae0a077 502 * \Remark MAC layer internal function
dudmuck 0:8f0d0ae0a077 503 *
dudmuck 0:8f0d0ae0a077 504 * \param [IN] cmdBufIn Buffer which stores the MAC commands to send
dudmuck 0:8f0d0ae0a077 505 * \param [IN] length Length of the input buffer to parse
dudmuck 0:8f0d0ae0a077 506 * \param [OUT] cmdBufOut Buffer which stores the MAC commands which must be
dudmuck 0:8f0d0ae0a077 507 * repeated.
dudmuck 0:8f0d0ae0a077 508 *
dudmuck 0:8f0d0ae0a077 509 * \retval Size of the MAC commands to repeat.
dudmuck 0:8f0d0ae0a077 510 */
dudmuck 0:8f0d0ae0a077 511 static uint8_t ParseMacCommandsToRepeat( uint8_t* cmdBufIn, uint8_t length, uint8_t* cmdBufOut );
dudmuck 0:8f0d0ae0a077 512
dudmuck 0:8f0d0ae0a077 513 /*!
dudmuck 0:8f0d0ae0a077 514 * \brief Verifies, if a value is in a given range.
dudmuck 0:8f0d0ae0a077 515 *
dudmuck 0:8f0d0ae0a077 516 * \param value Value to verify, if it is in range
dudmuck 0:8f0d0ae0a077 517 *
dudmuck 0:8f0d0ae0a077 518 * \param min Minimum possible value
dudmuck 0:8f0d0ae0a077 519 *
dudmuck 0:8f0d0ae0a077 520 * \param max Maximum possible value
dudmuck 0:8f0d0ae0a077 521 *
dudmuck 0:8f0d0ae0a077 522 * \retval Returns the maximum valid tx power
dudmuck 0:8f0d0ae0a077 523 */
dudmuck 0:8f0d0ae0a077 524 static bool ValueInRange( int8_t value, int8_t min, int8_t max );
dudmuck 0:8f0d0ae0a077 525
dudmuck 0:8f0d0ae0a077 526
dudmuck 0:8f0d0ae0a077 527 /*!
dudmuck 0:8f0d0ae0a077 528 * \brief Decodes MAC commands in the fOpts field and in the payload
dudmuck 0:8f0d0ae0a077 529 */
dudmuck 0:8f0d0ae0a077 530 static void ProcessMacCommands( uint8_t *payload, uint8_t macIndex, uint8_t commandsSize, uint8_t snr );
dudmuck 0:8f0d0ae0a077 531
dudmuck 0:8f0d0ae0a077 532 /*!
dudmuck 0:8f0d0ae0a077 533 * \brief LoRaMAC layer generic send frame
dudmuck 0:8f0d0ae0a077 534 *
dudmuck 0:8f0d0ae0a077 535 * \param [IN] macHdr MAC header field
dudmuck 0:8f0d0ae0a077 536 * \param [IN] fPort MAC payload port
dudmuck 0:8f0d0ae0a077 537 * \param [IN] fBuffer MAC data buffer to be sent
dudmuck 0:8f0d0ae0a077 538 * \param [IN] fBufferSize MAC data buffer size
dudmuck 0:8f0d0ae0a077 539 * \retval status Status of the operation.
dudmuck 0:8f0d0ae0a077 540 */
dudmuck 0:8f0d0ae0a077 541 LoRaMacStatus_t Send( LoRaMacHeader_t *macHdr, uint8_t fPort, void *fBuffer, uint16_t fBufferSize );
dudmuck 0:8f0d0ae0a077 542
dudmuck 0:8f0d0ae0a077 543 /*!
dudmuck 0:8f0d0ae0a077 544 * \brief LoRaMAC layer frame buffer initialization
dudmuck 0:8f0d0ae0a077 545 *
dudmuck 0:8f0d0ae0a077 546 * \param [IN] macHdr MAC header field
dudmuck 0:8f0d0ae0a077 547 * \param [IN] fCtrl MAC frame control field
dudmuck 0:8f0d0ae0a077 548 * \param [IN] fOpts MAC commands buffer
dudmuck 0:8f0d0ae0a077 549 * \param [IN] fPort MAC payload port
dudmuck 0:8f0d0ae0a077 550 * \param [IN] fBuffer MAC data buffer to be sent
dudmuck 0:8f0d0ae0a077 551 * \param [IN] fBufferSize MAC data buffer size
dudmuck 0:8f0d0ae0a077 552 * \retval status Status of the operation.
dudmuck 0:8f0d0ae0a077 553 */
dudmuck 0:8f0d0ae0a077 554 LoRaMacStatus_t PrepareFrame( LoRaMacHeader_t *macHdr, LoRaMacFrameCtrl_t *fCtrl, uint8_t fPort, void *fBuffer, uint16_t fBufferSize );
dudmuck 0:8f0d0ae0a077 555
dudmuck 0:8f0d0ae0a077 556 /*!
dudmuck 0:8f0d0ae0a077 557 * \brief Sets the radio in continuous transmission mode
dudmuck 0:8f0d0ae0a077 558 *
dudmuck 0:8f0d0ae0a077 559 * \remark Uses the radio parameters set on the previous transmission.
dudmuck 0:8f0d0ae0a077 560 *
dudmuck 0:8f0d0ae0a077 561 * \param [IN] timeout Time in seconds while the radio is kept in continuous wave mode
dudmuck 0:8f0d0ae0a077 562 * \retval status Status of the operation.
dudmuck 0:8f0d0ae0a077 563 */
dudmuck 0:8f0d0ae0a077 564 LoRaMacStatus_t SetTxContinuousWave( uint16_t timeout );
dudmuck 0:8f0d0ae0a077 565
dudmuck 0:8f0d0ae0a077 566 /*!
dudmuck 0:8f0d0ae0a077 567 * \brief Sets the radio in continuous transmission mode
dudmuck 0:8f0d0ae0a077 568 *
dudmuck 0:8f0d0ae0a077 569 * \remark Uses the radio parameters set on the previous transmission.
dudmuck 0:8f0d0ae0a077 570 *
dudmuck 0:8f0d0ae0a077 571 * \param [IN] timeout Time in seconds while the radio is kept in continuous wave mode
dudmuck 0:8f0d0ae0a077 572 * \param [IN] frequency RF frequency to be set.
dudmuck 0:8f0d0ae0a077 573 * \param [IN] power RF ouptput power to be set.
dudmuck 0:8f0d0ae0a077 574 * \retval status Status of the operation.
dudmuck 0:8f0d0ae0a077 575 */
dudmuck 0:8f0d0ae0a077 576 LoRaMacStatus_t SetTxContinuousWave1( uint16_t timeout, uint32_t frequency, uint8_t power );
dudmuck 0:8f0d0ae0a077 577
Wayne Roberts 29:ad409c68c0a6 578 #ifdef SX127x_H
Wayne Roberts 29:ad409c68c0a6 579 void printLoraIrqs(bool clear)
Wayne Roberts 29:ad409c68c0a6 580 {
Wayne Roberts 29:ad409c68c0a6 581 pc.printf("\r\nIrqFlags:");
Wayne Roberts 29:ad409c68c0a6 582 if (Radio::lora.RegIrqFlags.bits.CadDetected)
Wayne Roberts 29:ad409c68c0a6 583 pc.printf("CadDetected ");
Wayne Roberts 29:ad409c68c0a6 584 if (Radio::lora.RegIrqFlags.bits.FhssChangeChannel) {
Wayne Roberts 29:ad409c68c0a6 585 pc.printf("FhssChangeChannel:%d ", Radio::lora.RegHopChannel.bits.FhssPresentChannel);
Wayne Roberts 29:ad409c68c0a6 586 }
Wayne Roberts 29:ad409c68c0a6 587 if (Radio::lora.RegIrqFlags.bits.CadDone)
Wayne Roberts 29:ad409c68c0a6 588 pc.printf("CadDone ");
Wayne Roberts 29:ad409c68c0a6 589 if (Radio::lora.RegIrqFlags.bits.TxDone)
Wayne Roberts 29:ad409c68c0a6 590 pc.printf("TxDone-dio0:%d ", Radio::radio.dio0.read());
Wayne Roberts 29:ad409c68c0a6 591 if (Radio::lora.RegIrqFlags.bits.ValidHeader)
Wayne Roberts 29:ad409c68c0a6 592 pc.printf("ValidHeader ");
Wayne Roberts 29:ad409c68c0a6 593 if (Radio::lora.RegIrqFlags.bits.PayloadCrcError)
Wayne Roberts 29:ad409c68c0a6 594 pc.printf("PayloadCrcError ");
Wayne Roberts 29:ad409c68c0a6 595 if (Radio::lora.RegIrqFlags.bits.RxDone)
Wayne Roberts 29:ad409c68c0a6 596 pc.printf("RxDone ");
Wayne Roberts 29:ad409c68c0a6 597 if (Radio::lora.RegIrqFlags.bits.RxTimeout)
Wayne Roberts 29:ad409c68c0a6 598 pc.printf("RxTimeout ");
Wayne Roberts 29:ad409c68c0a6 599
Wayne Roberts 29:ad409c68c0a6 600 pc.printf("\r\n");
Wayne Roberts 29:ad409c68c0a6 601
Wayne Roberts 29:ad409c68c0a6 602 if (clear)
Wayne Roberts 29:ad409c68c0a6 603 Radio::radio.write_reg(REG_LR_IRQFLAGS, Radio::lora.RegIrqFlags.octet);
Wayne Roberts 29:ad409c68c0a6 604 }
Wayne Roberts 29:ad409c68c0a6 605
Wayne Roberts 29:ad409c68c0a6 606 void printOpMode()
Wayne Roberts 29:ad409c68c0a6 607 {
Wayne Roberts 29:ad409c68c0a6 608 Radio::radio.RegOpMode.octet = Radio::radio.read_reg(REG_OPMODE);
Wayne Roberts 29:ad409c68c0a6 609 switch (Radio::radio.RegOpMode.bits.Mode) {
Wayne Roberts 29:ad409c68c0a6 610 case RF_OPMODE_SLEEP: pc.printf("sleep"); break;
Wayne Roberts 29:ad409c68c0a6 611 case RF_OPMODE_STANDBY: pc.printf("stby"); break;
Wayne Roberts 29:ad409c68c0a6 612 case RF_OPMODE_SYNTHESIZER_TX: pc.printf("fstx"); break;
Wayne Roberts 29:ad409c68c0a6 613 case RF_OPMODE_TRANSMITTER: pc.printf("tx"); break;
Wayne Roberts 29:ad409c68c0a6 614 case RF_OPMODE_SYNTHESIZER_RX: pc.printf("fsrx"); break;
Wayne Roberts 29:ad409c68c0a6 615 case RF_OPMODE_RECEIVER: pc.printf("rx"); break;
Wayne Roberts 29:ad409c68c0a6 616 case 6:
Wayne Roberts 29:ad409c68c0a6 617 if (Radio::radio.RegOpMode.bits.LongRangeMode)
Wayne Roberts 29:ad409c68c0a6 618 pc.printf("rxs");
Wayne Roberts 29:ad409c68c0a6 619 else
Wayne Roberts 29:ad409c68c0a6 620 pc.printf("-6-");
Wayne Roberts 29:ad409c68c0a6 621 break; // todo: different lora/fsk
Wayne Roberts 29:ad409c68c0a6 622 case 7:
Wayne Roberts 29:ad409c68c0a6 623 if (Radio::radio.RegOpMode.bits.LongRangeMode)
Wayne Roberts 29:ad409c68c0a6 624 pc.printf("cad");
Wayne Roberts 29:ad409c68c0a6 625 else
Wayne Roberts 29:ad409c68c0a6 626 pc.printf("-7-");
Wayne Roberts 29:ad409c68c0a6 627 break; // todo: different lora/fsk
Wayne Roberts 29:ad409c68c0a6 628 }
Wayne Roberts 29:ad409c68c0a6 629 }
Wayne Roberts 29:ad409c68c0a6 630 #endif /* SX127x_H */
Wayne Roberts 29:ad409c68c0a6 631
dudmuck 0:8f0d0ae0a077 632 /*!
dudmuck 0:8f0d0ae0a077 633 * \brief Resets MAC specific parameters to default
dudmuck 0:8f0d0ae0a077 634 */
dudmuck 0:8f0d0ae0a077 635 static void ResetMacParameters( void );
dudmuck 0:8f0d0ae0a077 636
dudmuck 0:8f0d0ae0a077 637 void
dudmuck 0:8f0d0ae0a077 638 loramac_print_status()
dudmuck 0:8f0d0ae0a077 639 {
Wayne Roberts 29:ad409c68c0a6 640 int until_beacon = BeaconCtx.rx_setup_at - BeaconCtx._timeout_rx.read_us();
Wayne Roberts 29:ad409c68c0a6 641 mac_printf("until_beacon:%d ", until_beacon);
Wayne Roberts 29:ad409c68c0a6 642 mac_printf("DR%u=sf%u guard:%d\r\n",
dudmuck 16:915815632c1f 643 LoRaMacParams.ChannelsDatarate_fixed,
dudmuck 16:915815632c1f 644 Datarates[LoRaMacParams.ChannelsDatarate_fixed],
dudmuck 16:915815632c1f 645 BeaconCtx.guard
dudmuck 16:915815632c1f 646 );
Wayne Roberts 29:ad409c68c0a6 647 #ifdef SX128x_H
Wayne Roberts 29:ad409c68c0a6 648 status_t status;
Wayne Roberts 29:ad409c68c0a6 649 Radio::radio.xfer(OPCODE_GET_STATUS, 0, 1, &status.octet);
Wayne Roberts 29:ad409c68c0a6 650 switch (status.bits.cmdStatus) {
Wayne Roberts 29:ad409c68c0a6 651 case 1: pc.printf("success"); break;
Wayne Roberts 29:ad409c68c0a6 652 case 2: pc.printf("dataAvail"); break;
Wayne Roberts 29:ad409c68c0a6 653 case 3: pc.printf("cmdTimeout"); break;
Wayne Roberts 29:ad409c68c0a6 654 case 4: pc.printf("cmdErr"); break;
Wayne Roberts 29:ad409c68c0a6 655 case 5: pc.printf("exeFail"); break;
Wayne Roberts 29:ad409c68c0a6 656 case 6: pc.printf("txdone"); break;
Wayne Roberts 29:ad409c68c0a6 657 default: pc.printf("cmdStatus:<%u>", status.bits.cmdStatus); break;
Wayne Roberts 29:ad409c68c0a6 658 }
Wayne Roberts 29:ad409c68c0a6 659 pc.printf(" ");
Wayne Roberts 29:ad409c68c0a6 660 switch (status.bits.chipMode) {
Wayne Roberts 29:ad409c68c0a6 661 case 2: pc.printf("stdby_rc"); break;
Wayne Roberts 29:ad409c68c0a6 662 case 3: pc.printf("stdby_xosc"); break;
Wayne Roberts 29:ad409c68c0a6 663 case 4: pc.printf("fs"); break;
Wayne Roberts 29:ad409c68c0a6 664 case 5: pc.printf("\e[32mrx\e[0m"); break;
Wayne Roberts 29:ad409c68c0a6 665 case 6: pc.printf("\e[31mtx\e[0m"); break;
Wayne Roberts 29:ad409c68c0a6 666 default: pc.printf("chipMode:<%u>", status.bits.chipMode); break;
Wayne Roberts 29:ad409c68c0a6 667 }
Wayne Roberts 29:ad409c68c0a6 668 LoRaPktPar0_t LoRaPktPar0;
Wayne Roberts 29:ad409c68c0a6 669 LoRaPktPar0.octet = Radio::radio.readReg(REG_ADDR_LORA_PKTPAR0, 1);
Wayne Roberts 29:ad409c68c0a6 670 pc.printf(" bw:%u sf%u ", LoRaPktPar0.bits.modem_bw, LoRaPktPar0.bits.modem_sf);
Wayne Roberts 29:ad409c68c0a6 671 mac_printf("loraSync:%04x\r\n", Radio::radio.readReg(REG_ADDR_LORA_SYNC, 2));
Wayne Roberts 29:ad409c68c0a6 672 #elif defined(SX127x_H)
Wayne Roberts 29:ad409c68c0a6 673 Radio::radio.RegPaConfig.octet = Radio::radio.read_reg(REG_PACONFIG);
Wayne Roberts 29:ad409c68c0a6 674 if (Radio::radio.RegPaConfig.bits.PaSelect)
Wayne Roberts 29:ad409c68c0a6 675 pc.printf("PA_BOOST ");
Wayne Roberts 29:ad409c68c0a6 676 else
Wayne Roberts 29:ad409c68c0a6 677 pc.printf("RFO ");
Wayne Roberts 29:ad409c68c0a6 678
Wayne Roberts 29:ad409c68c0a6 679 Radio::radio.RegOpMode.octet = Radio::radio.read_reg(REG_OPMODE);
Wayne Roberts 29:ad409c68c0a6 680 pc.printf("%.3fMHz sf%ubw%u ", Radio::radio.get_frf_MHz(), Radio::lora.getSf(), Radio::lora.getBw());
Wayne Roberts 29:ad409c68c0a6 681 pc.printf("dio0pin:%u ", Radio::radio.dio0.read());
Wayne Roberts 29:ad409c68c0a6 682 printOpMode();
Wayne Roberts 29:ad409c68c0a6 683 if (!Radio::radio.RegOpMode.bits.LongRangeMode) {
Wayne Roberts 29:ad409c68c0a6 684 pc.printf("FSK\r\n");
Wayne Roberts 29:ad409c68c0a6 685 return;
Wayne Roberts 29:ad409c68c0a6 686 }
Wayne Roberts 29:ad409c68c0a6 687
Wayne Roberts 29:ad409c68c0a6 688 Radio::lora.RegIrqFlags.octet = Radio::radio.read_reg(REG_LR_IRQFLAGS);
Wayne Roberts 29:ad409c68c0a6 689 printLoraIrqs(false);
Wayne Roberts 29:ad409c68c0a6 690
Wayne Roberts 29:ad409c68c0a6 691 Radio::lora.RegTest33.octet = Radio::radio.read_reg(REG_LR_TEST33); // invert_i_q
Wayne Roberts 29:ad409c68c0a6 692 Radio::lora.RegDriftInvert.octet = Radio::radio.read_reg(REG_LR_DRIFT_INVERT);
Wayne Roberts 29:ad409c68c0a6 693 pc.printf("modemstat:%02x, rxinv:%x,%x\r\n", Radio::radio.read_reg(REG_LR_MODEMSTAT), Radio::lora.RegTest33.octet, Radio::lora.RegDriftInvert.octet);
Wayne Roberts 29:ad409c68c0a6 694 Radio::radio.RegDioMapping1.octet = Radio::radio.read_reg(REG_DIOMAPPING1);
Wayne Roberts 29:ad409c68c0a6 695 pc.printf("\r\ndio0map:%u\r\n", Radio::radio.RegDioMapping1.bits.Dio0Mapping);
Wayne Roberts 29:ad409c68c0a6 696 pc.printf("FIfoAddrPtr:%02x RxBase:%02x\r\n", Radio::radio.read_reg(REG_LR_FIFOADDRPTR), Radio::radio.read_reg(REG_LR_FIFORXBASEADDR));
Wayne Roberts 29:ad409c68c0a6 697 #elif defined(SX126x_H)
Wayne Roberts 29:ad409c68c0a6 698 status_t status;
Wayne Roberts 29:ad409c68c0a6 699 Radio::radio.xfer(OPCODE_GET_STATUS, 0, 1, &status.octet);
Wayne Roberts 29:ad409c68c0a6 700 switch (status.bits.chipMode) {
Wayne Roberts 29:ad409c68c0a6 701 case 2: mac_printf("STBY_RC"); break;
Wayne Roberts 29:ad409c68c0a6 702 case 3: mac_printf("STBY_XOSC"); break;
Wayne Roberts 29:ad409c68c0a6 703 case 4: mac_printf("FS"); break;
Wayne Roberts 29:ad409c68c0a6 704 case 5: mac_printf("RX"); break;
Wayne Roberts 29:ad409c68c0a6 705 case 6: mac_printf("TX"); break;
Wayne Roberts 29:ad409c68c0a6 706 default: mac_printf("%u", status.bits.chipMode); break;
Wayne Roberts 29:ad409c68c0a6 707 }
Wayne Roberts 29:ad409c68c0a6 708 pc.printf(" ");
Wayne Roberts 29:ad409c68c0a6 709 switch (status.bits.cmdStatus) {
Wayne Roberts 29:ad409c68c0a6 710 case 1: mac_printf("rfu"); break;
Wayne Roberts 29:ad409c68c0a6 711 case 2: mac_printf("dataAvail"); break;
Wayne Roberts 29:ad409c68c0a6 712 case 3: mac_printf("timeout"); break;
Wayne Roberts 29:ad409c68c0a6 713 case 4: mac_printf("err"); break;
Wayne Roberts 29:ad409c68c0a6 714 case 5: mac_printf("fail"); break;
Wayne Roberts 29:ad409c68c0a6 715 case 6: mac_printf("txdone"); break;
Wayne Roberts 29:ad409c68c0a6 716 default: mac_printf("%u", status.bits.cmdStatus); break;
Wayne Roberts 29:ad409c68c0a6 717 }
Wayne Roberts 29:ad409c68c0a6 718 loraConfig0_t conf0;
Wayne Roberts 29:ad409c68c0a6 719 conf0.octet = Radio::radio.readReg(REG_ADDR_LORA_CONFIG0, 1);
Wayne Roberts 29:ad409c68c0a6 720 // bw7=125 bw8=250 b9=500
Wayne Roberts 29:ad409c68c0a6 721 mac_printf(" bw:%u sf%u\r\n", conf0.bits.modem_bw, conf0.bits.modem_sf);
Wayne Roberts 29:ad409c68c0a6 722 loraConfig1_t conf1;
Wayne Roberts 29:ad409c68c0a6 723 conf1.octet = Radio::radio.readReg(REG_ADDR_LORA_CONFIG1, 1);
Wayne Roberts 29:ad409c68c0a6 724 mac_printf("inviq:%u cr%u\r\n", conf1.bits.rx_invert_iq, conf1.bits.tx_coding_rate);
Wayne Roberts 29:ad409c68c0a6 725 mac_printf("loraSync:%04x\r\n", Radio::radio.readReg(REG_ADDR_LORA_SYNC, 2));
Wayne Roberts 29:ad409c68c0a6 726 #endif /* ..SX126x_H */
dudmuck 0:8f0d0ae0a077 727 }
dudmuck 0:8f0d0ae0a077 728
Wayne Roberts 29:ad409c68c0a6 729 static void RxWindowSetup( uint32_t freq, int8_t datarate, uint16_t timeout, bool rxContinuous )
Wayne Roberts 29:ad409c68c0a6 730 {
Wayne Roberts 29:ad409c68c0a6 731 uint8_t downlinkDatarate = Datarates[datarate];
Wayne Roberts 29:ad409c68c0a6 732
Wayne Roberts 29:ad409c68c0a6 733 Radio::SetChannel( freq );
Wayne Roberts 29:ad409c68c0a6 734
Wayne Roberts 29:ad409c68c0a6 735 // Store downlink datarate
Wayne Roberts 29:ad409c68c0a6 736 McpsIndication.RxDatarate = ( uint8_t ) datarate;
Wayne Roberts 29:ad409c68c0a6 737
Wayne Roberts 29:ad409c68c0a6 738 Radio::LoRaModemConfig(LORA_BANDWIDTH_KHZ, downlinkDatarate, 1);
Wayne Roberts 29:ad409c68c0a6 739
Wayne Roberts 29:ad409c68c0a6 740 // preambleLen, fixLen, crcOn, invIQ
Wayne Roberts 29:ad409c68c0a6 741 Radio::LoRaPacketConfig(PREAMBLE_SYMBS, false, false, true);
Wayne Roberts 29:ad409c68c0a6 742 Radio::SetLoRaSymbolTimeout(timeout);
Wayne Roberts 29:ad409c68c0a6 743 Radio::SetRxMaxPayloadLength(LORAMAC_PHY_MAXPAYLOAD);
Wayne Roberts 29:ad409c68c0a6 744
Wayne Roberts 29:ad409c68c0a6 745 } // ..RxWindowSetup()
Wayne Roberts 29:ad409c68c0a6 746
Wayne Roberts 29:ad409c68c0a6 747 static void OnRxWindowTimerEvent( void )
Wayne Roberts 29:ad409c68c0a6 748 {
Wayne Roberts 29:ad409c68c0a6 749 RxWindowSetup(Channels[Channel].Frequency, RxWindowsParam.Datarate, RxWindowsParam.RxWindowTimeout, false);
Wayne Roberts 29:ad409c68c0a6 750 Radio::Rx( LoRaMacParams.MaxRxWindow );
Wayne Roberts 29:ad409c68c0a6 751 //mac_printf("rxwinTo:%u\r\n", RxWindowsParam.RxWindowTimeout);
Wayne Roberts 29:ad409c68c0a6 752 #ifdef SX128x_H
Wayne Roberts 29:ad409c68c0a6 753 {
Wayne Roberts 29:ad409c68c0a6 754 LoRaPktPar1_t LoRaPktPar1;
Wayne Roberts 29:ad409c68c0a6 755 LoRaPktPar1.octet = Radio::radio.readReg(REG_ADDR_LORA_PKTPAR1, 1);
Wayne Roberts 29:ad409c68c0a6 756 mac_printf("dnRxiq:");
Wayne Roberts 29:ad409c68c0a6 757 if (LoRaPktPar1.bits.rxinvert_iq) {
Wayne Roberts 29:ad409c68c0a6 758 mac_printf("IQ_STD\r\n");
Wayne Roberts 29:ad409c68c0a6 759 } else {
Wayne Roberts 29:ad409c68c0a6 760 mac_printf("IQ_INV\r\n");
Wayne Roberts 29:ad409c68c0a6 761 }
Wayne Roberts 29:ad409c68c0a6 762 }
Wayne Roberts 29:ad409c68c0a6 763 #endif /* SX128x_H */
Wayne Roberts 29:ad409c68c0a6 764 }
Wayne Roberts 29:ad409c68c0a6 765
dudmuck 0:8f0d0ae0a077 766 static RxConfigParams_t ComputeRxWindowParameters( int8_t datarate, uint32_t rxError );
dudmuck 0:8f0d0ae0a077 767
Wayne Roberts 29:ad409c68c0a6 768 static void OnRadioTxDone_bh()
dudmuck 0:8f0d0ae0a077 769 {
dudmuck 0:8f0d0ae0a077 770 // Setup timers
dudmuck 16:915815632c1f 771 if (IsRxWindowsEnabled)
dudmuck 0:8f0d0ae0a077 772 {
Wayne Roberts 29:ad409c68c0a6 773 int delay = lpt_offset + RxWindowDelay_us;
Wayne Roberts 29:ad409c68c0a6 774 _rx_timeout_setAt = Radio::irqAt + delay;
Wayne Roberts 29:ad409c68c0a6 775 _rx_timeout.attach_us(&OnRxWindowTimerEvent, _rx_timeout_setAt);
Wayne Roberts 29:ad409c68c0a6 776 if (LoRaMacFlags.Bits.NodeAckRequested)
dudmuck 0:8f0d0ae0a077 777 {
dudmuck 0:8f0d0ae0a077 778 AckTimeoutTimer.attach_us(&OnAckTimeoutTimerEvent, (RxWindowDelay_us/1000) + ACK_TIMEOUT_us + randr(-ACK_TIMEOUT_RND_us, ACK_TIMEOUT_RND_us));
dudmuck 0:8f0d0ae0a077 779 }
dudmuck 0:8f0d0ae0a077 780 }
dudmuck 0:8f0d0ae0a077 781 else
dudmuck 0:8f0d0ae0a077 782 {
dudmuck 0:8f0d0ae0a077 783 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck 0:8f0d0ae0a077 784 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT;
dudmuck 0:8f0d0ae0a077 785
dudmuck 0:8f0d0ae0a077 786 if( LoRaMacFlags.Value == 0 )
dudmuck 0:8f0d0ae0a077 787 {
dudmuck 0:8f0d0ae0a077 788 LoRaMacFlags.Bits.McpsReq = 1;
dudmuck 0:8f0d0ae0a077 789 }
dudmuck 0:8f0d0ae0a077 790 LoRaMacFlags.Bits.MacDone = 1;
dudmuck 0:8f0d0ae0a077 791 }
Wayne Roberts 29:ad409c68c0a6 792
Wayne Roberts 29:ad409c68c0a6 793 if (!LoRaMacFlags.Bits.NodeAckRequested)
dudmuck 0:8f0d0ae0a077 794 {
dudmuck 0:8f0d0ae0a077 795 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck 0:8f0d0ae0a077 796 ChannelsNbRepCounter++;
dudmuck 0:8f0d0ae0a077 797 }
Wayne Roberts 29:ad409c68c0a6 798
dudmuck 10:00997daeb0c0 799 MlmeIndication.MlmeIndication = MLME_TXDONE;
dudmuck 10:00997daeb0c0 800 MlmeIndication.Status = LORAMAC_EVENT_INFO_STATUS_OK;
Wayne Roberts 29:ad409c68c0a6 801 LoRaMacPrimitives->MacMlmeIndication( &MlmeIndication );
Wayne Roberts 29:ad409c68c0a6 802
Wayne Roberts 29:ad409c68c0a6 803 Radio::Standby( );
Wayne Roberts 29:ad409c68c0a6 804
Wayne Roberts 29:ad409c68c0a6 805 txDoneAt = Radio::irqAt + lpt_offset;
dudmuck 16:915815632c1f 806 }
dudmuck 16:915815632c1f 807
dudmuck 16:915815632c1f 808
dudmuck 16:915815632c1f 809 static void application_callbacks()
dudmuck 16:915815632c1f 810 {
dudmuck 16:915815632c1f 811 if (LoRaMacFlags.Bits.McpsInd) {
dudmuck 16:915815632c1f 812 LoRaMacFlags.Bits.McpsInd = 0;
dudmuck 16:915815632c1f 813 LoRaMacPrimitives->MacMcpsIndication( &McpsIndication );
dudmuck 16:915815632c1f 814 }
Wayne Roberts 29:ad409c68c0a6 815
dudmuck 16:915815632c1f 816 if (LoRaMacFlags.Bits.McpsReq) {
dudmuck 16:915815632c1f 817 LoRaMacPrimitives->MacMcpsConfirm( &McpsConfirm );
dudmuck 16:915815632c1f 818 LoRaMacFlags.Bits.McpsReq = 0;
Wayne Roberts 29:ad409c68c0a6 819 }
dudmuck 0:8f0d0ae0a077 820 }
dudmuck 0:8f0d0ae0a077 821
dudmuck 0:8f0d0ae0a077 822 static void PrepareRxDoneAbort( void )
dudmuck 0:8f0d0ae0a077 823 {
Wayne Roberts 29:ad409c68c0a6 824 if (LoRaMacFlags.Bits.NodeAckRequested)
dudmuck 0:8f0d0ae0a077 825 {
dudmuck 0:8f0d0ae0a077 826 OnAckTimeoutTimerEvent( );
dudmuck 0:8f0d0ae0a077 827 }
dudmuck 0:8f0d0ae0a077 828
dudmuck 0:8f0d0ae0a077 829 LoRaMacFlags.Bits.McpsInd = 1;
dudmuck 0:8f0d0ae0a077 830 LoRaMacFlags.Bits.MacDone = 1;
Wayne Roberts 29:ad409c68c0a6 831
dudmuck 16:915815632c1f 832 application_callbacks();
dudmuck 0:8f0d0ae0a077 833 }
dudmuck 0:8f0d0ae0a077 834
dudmuck 20:42839629a5dc 835 void send_bh()
Wayne Roberts 29:ad409c68c0a6 836 {
dudmuck 25:fed9d5b77183 837 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_SEND;
dudmuck 25:fed9d5b77183 838 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_SEND;
Wayne Roberts 29:ad409c68c0a6 839 McpsConfirm.TxPower = LoRaMacParams.ChannelsTxPower;
dudmuck 25:fed9d5b77183 840 McpsConfirm.UpLinkFrequency = Channels[Channel].Frequency;
dudmuck 25:fed9d5b77183 841
Wayne Roberts 29:ad409c68c0a6 842 if (!LoRaMacFlags.Bits.IsLoRaMacNetworkJoined) // joining is channel hunting
Wayne Roberts 29:ad409c68c0a6 843 Radio::SetChannel( Channels[Channel].Frequency );
Wayne Roberts 29:ad409c68c0a6 844
Wayne Roberts 29:ad409c68c0a6 845 if (!LoRaMacFlags.Bits.IsLoRaMacNetworkJoined)
dudmuck 25:fed9d5b77183 846 {
dudmuck 25:fed9d5b77183 847 JoinRequestTrials++;
Wayne Roberts 29:ad409c68c0a6 848 mac_printf("join %luhz try%u DR%u\r\n", Channels[Channel].Frequency, JoinRequestTrials, LoRaMacParams.ChannelsDatarate_fixed);
dudmuck 25:fed9d5b77183 849 }
dudmuck 25:fed9d5b77183 850
Wayne Roberts 29:ad409c68c0a6 851 Radio::set_tx_dbm(TxPowers[LoRaMacParams.ChannelsTxPower]);
Wayne Roberts 29:ad409c68c0a6 852 Radio::LoRaModemConfig(LORA_BANDWIDTH_KHZ, Datarates[LoRaMacParams.ChannelsDatarate_fixed], 1);
Wayne Roberts 29:ad409c68c0a6 853
Wayne Roberts 29:ad409c68c0a6 854 // preambleLen, fixLen, crcOn, invIQ
Wayne Roberts 29:ad409c68c0a6 855 Radio::LoRaPacketConfig(PREAMBLE_SYMBS, false, true, false);
Wayne Roberts 29:ad409c68c0a6 856 Radio::Send(tx_buf_len, 0, 0, 0);
Wayne Roberts 29:ad409c68c0a6 857
dudmuck 25:fed9d5b77183 858 LoRaMacFlags.Bits.uplink_pending = 0; // sent
dudmuck 25:fed9d5b77183 859
dudmuck 25:fed9d5b77183 860 // Compute Rx1 windows parameters, taken at TxDone
Wayne Roberts 29:ad409c68c0a6 861 if (!LoRaMacFlags.Bits.IsLoRaMacNetworkJoined)
Wayne Roberts 29:ad409c68c0a6 862 RxWindowDelay_us = LoRaMacParams.JoinAcceptDelay_us - TARGET_PRECESSION_us;
dudmuck 25:fed9d5b77183 863 else
Wayne Roberts 29:ad409c68c0a6 864 RxWindowDelay_us = LoRaMacParams.ReceiveDelay_us - TARGET_PRECESSION_us;
Wayne Roberts 29:ad409c68c0a6 865
Wayne Roberts 29:ad409c68c0a6 866 } // ..send_bh()
dudmuck 20:42839629a5dc 867
dudmuck 20:42839629a5dc 868 void send_callback()
Wayne Roberts 29:ad409c68c0a6 869 {
Wayne Roberts 29:ad409c68c0a6 870 int err = 0;
Wayne Roberts 29:ad409c68c0a6 871 us_timestamp_t now = BeaconCtx.sendAt + BeaconCtx.lastSendAtErr;
Wayne Roberts 29:ad409c68c0a6 872
dudmuck 20:42839629a5dc 873 if (BeaconCtx.guard) {
dudmuck 25:fed9d5b77183 874 /* last send, this will be restarted after beacon sent */
dudmuck 20:42839629a5dc 875 return;
dudmuck 20:42839629a5dc 876 }
Wayne Roberts 29:ad409c68c0a6 877 BeaconCtx.sendOpportunities++;
Wayne Roberts 29:ad409c68c0a6 878
Wayne Roberts 29:ad409c68c0a6 879 BeaconCtx.sendAt += BeaconCtx.periodicity_slots * PING_SLOT_RESOLUTION_us;
Wayne Roberts 29:ad409c68c0a6 880 if (BeaconCtx.state == BEACON_STATE_LOCKED) {
Wayne Roberts 29:ad409c68c0a6 881 float sinceBeacon = now - BeaconCtx.LastBeaconRx_us;
Wayne Roberts 29:ad409c68c0a6 882 float ratio = sinceBeacon / BEACON_INTERVAL_us;
Wayne Roberts 29:ad409c68c0a6 883 err = BeaconCtx.last_BeaconRxTimerError_us * ratio;
Wayne Roberts 29:ad409c68c0a6 884 }
Wayne Roberts 29:ad409c68c0a6 885 _tx_timeout.attach_us(&send_callback, BeaconCtx.sendAt + err);
Wayne Roberts 29:ad409c68c0a6 886 BeaconCtx.lastSendAtErr = err;
Wayne Roberts 29:ad409c68c0a6 887
dudmuck 25:fed9d5b77183 888 if (LoRaMacFlags.Bits.uplink_pending)
Wayne Roberts 29:ad409c68c0a6 889 LoRaMacFlags.Bits.send = 1;
dudmuck 0:8f0d0ae0a077 890 }
dudmuck 0:8f0d0ae0a077 891
dudmuck 0:8f0d0ae0a077 892 void OnRxBeaconSetup()
dudmuck 0:8f0d0ae0a077 893 {
Wayne Roberts 29:ad409c68c0a6 894 Radio::Standby( );
Wayne Roberts 29:ad409c68c0a6 895
Wayne Roberts 29:ad409c68c0a6 896 LoRaMacFlags.Bits.expecting_beacon = true;
Wayne Roberts 29:ad409c68c0a6 897
Wayne Roberts 29:ad409c68c0a6 898 Radio::LoRaModemConfig(LORA_BANDWIDTH_KHZ, Datarates[BEACON_CHANNEL_DR], 1);
Wayne Roberts 29:ad409c68c0a6 899
Wayne Roberts 29:ad409c68c0a6 900 // preambleLen, fixLen, crcOn, invIQ
Wayne Roberts 29:ad409c68c0a6 901 Radio::LoRaPacketConfig(PREAMBLE_SYMBS, true, false, false);
Wayne Roberts 29:ad409c68c0a6 902 Radio::SetFixedPayloadLength(BEACON_SIZE);
Wayne Roberts 29:ad409c68c0a6 903 Radio::SetLoRaSymbolTimeout(BeaconCtx.nSymbsTimeout);
Wayne Roberts 29:ad409c68c0a6 904
Wayne Roberts 29:ad409c68c0a6 905 Radio::Rx(2000);
Wayne Roberts 29:ad409c68c0a6 906
Wayne Roberts 29:ad409c68c0a6 907 BeaconCtx.lastSendAtErr = 0;
Wayne Roberts 29:ad409c68c0a6 908
Wayne Roberts 29:ad409c68c0a6 909 #ifdef SX128x_H
Wayne Roberts 29:ad409c68c0a6 910 {
Wayne Roberts 29:ad409c68c0a6 911 LoRaPktPar1_t LoRaPktPar1;
Wayne Roberts 29:ad409c68c0a6 912 LoRaPktPar1.octet = Radio::radio.readReg(REG_ADDR_LORA_PKTPAR1, 1);
Wayne Roberts 29:ad409c68c0a6 913 mac_printf("beaconRxiq:");
Wayne Roberts 29:ad409c68c0a6 914 if (LoRaPktPar1.bits.rxinvert_iq) {
Wayne Roberts 29:ad409c68c0a6 915 mac_printf("IQ_STD\r\n");
Wayne Roberts 29:ad409c68c0a6 916 } else {
Wayne Roberts 29:ad409c68c0a6 917 mac_printf("IQ_INV\r\n");
Wayne Roberts 29:ad409c68c0a6 918 }
Wayne Roberts 29:ad409c68c0a6 919 }
Wayne Roberts 29:ad409c68c0a6 920 #endif /* SX128x_H */
dudmuck 16:915815632c1f 921 }
dudmuck 16:915815632c1f 922
dudmuck 16:915815632c1f 923 void guard_callback()
dudmuck 16:915815632c1f 924 {
dudmuck 16:915815632c1f 925 BeaconCtx.guard = true;
dudmuck 21:500ff43d8424 926
Wayne Roberts 29:ad409c68c0a6 927 _tx_timeout.detach();
Wayne Roberts 29:ad409c68c0a6 928 mac_printf("sendOpportunities:%u\r\n", BeaconCtx.sendOpportunities);
Wayne Roberts 29:ad409c68c0a6 929 BeaconCtx.sendOpportunities = 0;
dudmuck 0:8f0d0ae0a077 930 }
dudmuck 0:8f0d0ae0a077 931
Wayne Roberts 29:ad409c68c0a6 932 static void us_to_nSymbTimeout(unsigned us)
dudmuck 0:8f0d0ae0a077 933 {
Wayne Roberts 29:ad409c68c0a6 934 mac_printf("symTo:%u ", us);
Wayne Roberts 29:ad409c68c0a6 935 BeaconCtx.nSymbsTimeout = us / BeaconCtx.symbol_period_us;
Wayne Roberts 29:ad409c68c0a6 936 if (BeaconCtx.nSymbsTimeout < (MIN_SYMBOL_TIMEOUT+BeaconCtx.Precess_symbols)) {
Wayne Roberts 29:ad409c68c0a6 937 BeaconCtx.nSymbsTimeout = MIN_SYMBOL_TIMEOUT+BeaconCtx.Precess_symbols;
Wayne Roberts 29:ad409c68c0a6 938 } else if (BeaconCtx.nSymbsTimeout > 255)
Wayne Roberts 29:ad409c68c0a6 939 BeaconCtx.nSymbsTimeout = 255;
Wayne Roberts 29:ad409c68c0a6 940
Wayne Roberts 29:ad409c68c0a6 941 BeaconCtx.SymbolTimeout_us = BeaconCtx.nSymbsTimeout * BeaconCtx.symbol_period_us;
Wayne Roberts 29:ad409c68c0a6 942 mac_printf("%u\r\n", BeaconCtx.nSymbsTimeout);
dudmuck 0:8f0d0ae0a077 943 }
dudmuck 0:8f0d0ae0a077 944
dudmuck 0:8f0d0ae0a077 945 static uint16_t beacon_crc( uint8_t *buffer, uint16_t length )
dudmuck 0:8f0d0ae0a077 946 {
dudmuck 0:8f0d0ae0a077 947 // The CRC calculation follows CCITT
dudmuck 0:8f0d0ae0a077 948 const uint16_t polynom = 0x1021;
dudmuck 0:8f0d0ae0a077 949 // CRC initial value
dudmuck 0:8f0d0ae0a077 950 uint16_t crc = 0x0000;
dudmuck 0:8f0d0ae0a077 951
dudmuck 0:8f0d0ae0a077 952 if( buffer == NULL )
dudmuck 0:8f0d0ae0a077 953 {
dudmuck 0:8f0d0ae0a077 954 return 0;
dudmuck 0:8f0d0ae0a077 955 }
dudmuck 0:8f0d0ae0a077 956
dudmuck 0:8f0d0ae0a077 957 for( uint16_t i = 0; i < length; ++i )
dudmuck 0:8f0d0ae0a077 958 {
dudmuck 0:8f0d0ae0a077 959 crc ^= ( uint16_t ) buffer[i] << 8;
dudmuck 0:8f0d0ae0a077 960 for( uint16_t j = 0; j < 8; ++j )
dudmuck 0:8f0d0ae0a077 961 {
dudmuck 0:8f0d0ae0a077 962 crc = ( crc & 0x8000 ) ? ( crc << 1 ) ^ polynom : ( crc << 1 );
dudmuck 0:8f0d0ae0a077 963 }
dudmuck 0:8f0d0ae0a077 964 }
dudmuck 0:8f0d0ae0a077 965
dudmuck 0:8f0d0ae0a077 966 return crc;
dudmuck 0:8f0d0ae0a077 967 }
dudmuck 0:8f0d0ae0a077 968
Wayne Roberts 29:ad409c68c0a6 969 void rx_beacon(uint16_t size)
dudmuck 0:8f0d0ae0a077 970 {
dudmuck 0:8f0d0ae0a077 971 static bool compensate_precession = false;
dudmuck 0:8f0d0ae0a077 972 int32_t compensation = 0;
Wayne Roberts 29:ad409c68c0a6 973 us_timestamp_t ThisBeaconRx_us = Radio::irqAt + lpt_offset - beaconDuration;
Wayne Roberts 29:ad409c68c0a6 974
Wayne Roberts 29:ad409c68c0a6 975 mac_printf("rx_beacon %llu ", Radio::irqAt);
dudmuck 16:915815632c1f 976 BeaconCtx.guard = false;
Wayne Roberts 29:ad409c68c0a6 977 BeaconCtx.rx_precession_us = ThisBeaconRx_us - BeaconCtx.rx_setup_at;
dudmuck 0:8f0d0ae0a077 978 if (BeaconCtx.state != BEACON_STATE_FIRST_ACQ) {
dudmuck 13:18de9ee3a461 979 BeaconCtx.known_working_BeaconRxTimerError_us = BeaconCtx.last_BeaconRxTimerError_us;
Wayne Roberts 29:ad409c68c0a6 980 BeaconCtx.last_BeaconRxTimerError_us = (ThisBeaconRx_us - BeaconCtx.LastBeaconRx_us) - (BEACON_INTERVAL_us * (BeaconCtx.num_missed+1));
Wayne Roberts 29:ad409c68c0a6 981
Wayne Roberts 29:ad409c68c0a6 982 if (BeaconCtx.num_missed > 0) {
Wayne Roberts 29:ad409c68c0a6 983 /* Timer error is measured over more than one beacon period.
Wayne Roberts 29:ad409c68c0a6 984 * Scale to error seen over single beacon period */
Wayne Roberts 29:ad409c68c0a6 985 BeaconCtx.last_BeaconRxTimerError_us /= BeaconCtx.num_missed + 1;
dudmuck 0:8f0d0ae0a077 986 }
dudmuck 0:8f0d0ae0a077 987
dudmuck 0:8f0d0ae0a077 988 if (BeaconCtx.state == BEACON_STATE_ACQ_ERROR) {
Wayne Roberts 29:ad409c68c0a6 989 mac_printf("-->LOCKED ");
dudmuck 21:500ff43d8424 990 BeaconCtx.state = BEACON_STATE_LOCKED;
dudmuck 0:8f0d0ae0a077 991 compensate_precession = true;
Wayne Roberts 29:ad409c68c0a6 992 us_to_nSymbTimeout(BEACON_RX_TIMEOUT_LOCKED_us);
dudmuck 0:8f0d0ae0a077 993 }
dudmuck 0:8f0d0ae0a077 994 } else {
dudmuck 0:8f0d0ae0a077 995 /* ignore precession at first acquisition because it has slot resolution added */
Wayne Roberts 29:ad409c68c0a6 996 mac_printf("-->ACQ_ERROR ");
dudmuck 0:8f0d0ae0a077 997 // next beacon will give us our crystal error
dudmuck 0:8f0d0ae0a077 998 BeaconCtx.state = BEACON_STATE_ACQ_ERROR;
dudmuck 0:8f0d0ae0a077 999 }
dudmuck 0:8f0d0ae0a077 1000
Wayne Roberts 29:ad409c68c0a6 1001 mac_printf("err%d=%llu-%llu ", BeaconCtx.last_BeaconRxTimerError_us, ThisBeaconRx_us, BeaconCtx.LastBeaconRx_us);
Wayne Roberts 29:ad409c68c0a6 1002 if (BeaconCtx.num_missed > 0)
Wayne Roberts 29:ad409c68c0a6 1003 mac_printf("missed%u ", BeaconCtx.num_missed);
Wayne Roberts 29:ad409c68c0a6 1004
Wayne Roberts 29:ad409c68c0a6 1005 mac_printf(" rx-before-tx:%d ", BeaconCtx.rx_precession_us);
Wayne Roberts 29:ad409c68c0a6 1006 if (BeaconCtx.last_BeaconRxTimerError_us > 40000 || BeaconCtx.last_BeaconRxTimerError_us < -40000) {
Wayne Roberts 29:ad409c68c0a6 1007 BeaconCtx._timeout_rx.detach();
Wayne Roberts 29:ad409c68c0a6 1008 BeaconCtx._timeout_guard.detach();
Wayne Roberts 29:ad409c68c0a6 1009 mac_printf("halt\r\n");
Wayne Roberts 29:ad409c68c0a6 1010 for (;;) asm("nop");
Wayne Roberts 29:ad409c68c0a6 1011 }
dudmuck 0:8f0d0ae0a077 1012 BeaconCtx.LastBeaconRx_us = ThisBeaconRx_us;
dudmuck 0:8f0d0ae0a077 1013
dudmuck 21:500ff43d8424 1014 if (BeaconCtx.state == BEACON_STATE_LOCKED) {
dudmuck 0:8f0d0ae0a077 1015 if (compensate_precession) {
Wayne Roberts 29:ad409c68c0a6 1016 compensation = BeaconCtx.rx_precession_us - TARGET_PRECESSION_us + BeaconCtx.last_BeaconRxTimerError_us;
Wayne Roberts 29:ad409c68c0a6 1017 mac_printf(" comp%ld", compensation);
dudmuck 0:8f0d0ae0a077 1018 }
dudmuck 0:8f0d0ae0a077 1019 }
dudmuck 0:8f0d0ae0a077 1020
Wayne Roberts 29:ad409c68c0a6 1021 // reference tick for uplink schedule: when gateway started beacon
Wayne Roberts 29:ad409c68c0a6 1022 BeaconCtx.sendAt = BeaconCtx.rx_setup_at + BeaconCtx.rx_precession_us;
Wayne Roberts 29:ad409c68c0a6 1023 BeaconCtx.sendAt += BeaconCtx.tx_slot_offset * PING_SLOT_RESOLUTION_us;
Wayne Roberts 29:ad409c68c0a6 1024 _tx_timeout.attach_us(&send_callback, BeaconCtx.sendAt);
Wayne Roberts 29:ad409c68c0a6 1025 mac_printf("sendAt:%llu ", BeaconCtx.sendAt);
Wayne Roberts 29:ad409c68c0a6 1026
Wayne Roberts 29:ad409c68c0a6 1027 BeaconCtx.rx_setup_at += BEACON_INTERVAL_us;
Wayne Roberts 29:ad409c68c0a6 1028 BeaconCtx.rx_setup_at += compensation;
Wayne Roberts 29:ad409c68c0a6 1029
Wayne Roberts 29:ad409c68c0a6 1030 BeaconCtx._timeout_rx.attach_us(&OnRxBeaconSetup, BeaconCtx.rx_setup_at);
Wayne Roberts 29:ad409c68c0a6 1031 BeaconCtx._timeout_guard.attach_us(&guard_callback, BeaconCtx.rx_setup_at - BEACON_GUARD_us);
dudmuck 0:8f0d0ae0a077 1032
dudmuck 0:8f0d0ae0a077 1033 if (BeaconCtx.num_missed > 0) {
dudmuck 0:8f0d0ae0a077 1034 /* restore rx symbol timeout */
Wayne Roberts 29:ad409c68c0a6 1035 us_to_nSymbTimeout(BEACON_RX_TIMEOUT_LOCKED_us);
dudmuck 0:8f0d0ae0a077 1036 }
dudmuck 0:8f0d0ae0a077 1037
dudmuck 0:8f0d0ae0a077 1038 BeaconCtx.num_missed = 0;
dudmuck 0:8f0d0ae0a077 1039
dudmuck 0:8f0d0ae0a077 1040 MlmeIndication.MlmeIndication = MLME_BEACON;
dudmuck 0:8f0d0ae0a077 1041 MlmeIndication.Status = LORAMAC_EVENT_INFO_STATUS_BEACON_LOCKED;
dudmuck 0:8f0d0ae0a077 1042 LoRaMacPrimitives->MacMlmeIndication( &MlmeIndication );
dudmuck 0:8f0d0ae0a077 1043
dudmuck 0:8f0d0ae0a077 1044 /* check beacon payload */
Wayne Roberts 29:ad409c68c0a6 1045 uint16_t calc_crc = beacon_crc(Radio::radio.rx_buf, 4);
Wayne Roberts 29:ad409c68c0a6 1046 uint16_t rx_crc = Radio::radio.rx_buf[4];
Wayne Roberts 29:ad409c68c0a6 1047 rx_crc |= Radio::radio.rx_buf[5] << 8;
dudmuck 0:8f0d0ae0a077 1048 if (rx_crc == calc_crc) {
Wayne Roberts 29:ad409c68c0a6 1049 unsigned int rx = Radio::radio.rx_buf[0];
Wayne Roberts 29:ad409c68c0a6 1050 rx |= Radio::radio.rx_buf[1] << 8;
Wayne Roberts 29:ad409c68c0a6 1051 rx |= Radio::radio.rx_buf[2] << 16;
Wayne Roberts 29:ad409c68c0a6 1052 rx |= Radio::radio.rx_buf[3] << 24;
dudmuck 10:00997daeb0c0 1053 if (rx != 0) {
Wayne Roberts 29:ad409c68c0a6 1054 //mac_printf("beacon payload:%08x\r\n", rx);
dudmuck 10:00997daeb0c0 1055 McpsIndication.McpsIndication = MCPS_MULTICAST;
dudmuck 10:00997daeb0c0 1056 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_OK;
Wayne Roberts 29:ad409c68c0a6 1057 McpsIndication.Buffer = Radio::radio.rx_buf;
dudmuck 10:00997daeb0c0 1058 McpsIndication.BufferSize = 4;
dudmuck 10:00997daeb0c0 1059 McpsIndication.RxData = true;
dudmuck 16:915815632c1f 1060 LoRaMacPrimitives->MacMcpsIndication( &McpsIndication );
dudmuck 10:00997daeb0c0 1061 }
dudmuck 0:8f0d0ae0a077 1062 } else
Wayne Roberts 29:ad409c68c0a6 1063 mac_printf("calc_crc:%04x rx_crc:%04x\r\n", calc_crc, rx_crc);
Wayne Roberts 29:ad409c68c0a6 1064 } // ..rx_beacon()
Wayne Roberts 29:ad409c68c0a6 1065
Wayne Roberts 29:ad409c68c0a6 1066
Wayne Roberts 29:ad409c68c0a6 1067 #define JOIN_ACCEPT_MAX_SIZE 34
Wayne Roberts 29:ad409c68c0a6 1068 static void OnRadioRxDone(uint8_t size, float rssi, float snr )
dudmuck 0:8f0d0ae0a077 1069 {
Wayne Roberts 29:ad409c68c0a6 1070 uint8_t _jaDecrypted[JOIN_ACCEPT_MAX_SIZE];
dudmuck 0:8f0d0ae0a077 1071 LoRaMacHeader_t macHdr;
dudmuck 0:8f0d0ae0a077 1072 LoRaMacFrameCtrl_t fCtrl;
dudmuck 0:8f0d0ae0a077 1073 bool skipIndication = false;
dudmuck 0:8f0d0ae0a077 1074
dudmuck 0:8f0d0ae0a077 1075 uint8_t pktHeaderLen = 0;
dudmuck 0:8f0d0ae0a077 1076 uint32_t address = 0;
dudmuck 0:8f0d0ae0a077 1077 uint8_t appPayloadStartIndex = 0;
dudmuck 0:8f0d0ae0a077 1078 uint8_t port = 0xFF;
dudmuck 0:8f0d0ae0a077 1079 uint8_t frameLen = 0;
dudmuck 0:8f0d0ae0a077 1080 uint32_t mic = 0;
dudmuck 0:8f0d0ae0a077 1081 uint32_t micRx = 0;
dudmuck 0:8f0d0ae0a077 1082
dudmuck 0:8f0d0ae0a077 1083 uint16_t sequenceCounter = 0;
dudmuck 0:8f0d0ae0a077 1084 uint16_t sequenceCounterPrev = 0;
dudmuck 0:8f0d0ae0a077 1085 uint16_t sequenceCounterDiff = 0;
dudmuck 0:8f0d0ae0a077 1086 uint32_t downLinkCounter = 0;
dudmuck 0:8f0d0ae0a077 1087
dudmuck 0:8f0d0ae0a077 1088 MulticastParams_t *curMulticastParams = NULL;
dudmuck 0:8f0d0ae0a077 1089 uint8_t *nwkSKey = LoRaMacNwkSKey;
dudmuck 0:8f0d0ae0a077 1090 uint8_t *appSKey = LoRaMacAppSKey;
dudmuck 0:8f0d0ae0a077 1091
dudmuck 0:8f0d0ae0a077 1092 uint8_t multicast = 0;
dudmuck 0:8f0d0ae0a077 1093
dudmuck 0:8f0d0ae0a077 1094 bool isMicOk = false;
dudmuck 0:8f0d0ae0a077 1095
dudmuck 0:8f0d0ae0a077 1096 McpsConfirm.AckReceived = false;
dudmuck 0:8f0d0ae0a077 1097 McpsIndication.Rssi = rssi;
dudmuck 0:8f0d0ae0a077 1098 McpsIndication.Snr = snr;
dudmuck 0:8f0d0ae0a077 1099 McpsIndication.Port = 0;
dudmuck 0:8f0d0ae0a077 1100 McpsIndication.Multicast = 0;
dudmuck 0:8f0d0ae0a077 1101 McpsIndication.FramePending = 0;
dudmuck 0:8f0d0ae0a077 1102 McpsIndication.Buffer = NULL;
dudmuck 0:8f0d0ae0a077 1103 McpsIndication.BufferSize = 0;
dudmuck 0:8f0d0ae0a077 1104 McpsIndication.RxData = false;
dudmuck 0:8f0d0ae0a077 1105 McpsIndication.AckReceived = false;
dudmuck 0:8f0d0ae0a077 1106 McpsIndication.DownLinkCounter = 0;
dudmuck 0:8f0d0ae0a077 1107 McpsIndication.McpsIndication = MCPS_UNCONFIRMED;
dudmuck 0:8f0d0ae0a077 1108
Wayne Roberts 29:ad409c68c0a6 1109 Radio::Sleep( );
Wayne Roberts 29:ad409c68c0a6 1110
Wayne Roberts 29:ad409c68c0a6 1111 //mac_printf("OnRadioRxDone %u", size);
Wayne Roberts 29:ad409c68c0a6 1112 if (LoRaMacFlags.Bits.expecting_beacon) {
Wayne Roberts 29:ad409c68c0a6 1113 rx_beacon(size);
Wayne Roberts 29:ad409c68c0a6 1114 LoRaMacFlags.Bits.expecting_beacon = false;
dudmuck 0:8f0d0ae0a077 1115 return;
dudmuck 0:8f0d0ae0a077 1116 }
dudmuck 0:8f0d0ae0a077 1117
Wayne Roberts 29:ad409c68c0a6 1118 macHdr.Value = Radio::radio.rx_buf[pktHeaderLen++];
Wayne Roberts 29:ad409c68c0a6 1119 //mac_printf("mtype:%x\r\n", macHdr.Bits.MType);
dudmuck 0:8f0d0ae0a077 1120
dudmuck 0:8f0d0ae0a077 1121 switch( macHdr.Bits.MType )
dudmuck 0:8f0d0ae0a077 1122 {
dudmuck 0:8f0d0ae0a077 1123 case FRAME_TYPE_JOIN_ACCEPT:
Wayne Roberts 29:ad409c68c0a6 1124 if (LoRaMacFlags.Bits.IsLoRaMacNetworkJoined)
dudmuck 0:8f0d0ae0a077 1125 {
dudmuck 2:f2d9aa163652 1126 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_JOIN_ACCEPT;
dudmuck 0:8f0d0ae0a077 1127 PrepareRxDoneAbort( );
dudmuck 0:8f0d0ae0a077 1128 return;
dudmuck 0:8f0d0ae0a077 1129 }
Wayne Roberts 29:ad409c68c0a6 1130 LoRaMacJoinDecrypt( Radio::radio.rx_buf + 1, size - 1, LoRaMacAppKey, &_jaDecrypted[1]);
Wayne Roberts 29:ad409c68c0a6 1131
Wayne Roberts 29:ad409c68c0a6 1132 _jaDecrypted[0] = macHdr.Value;
Wayne Roberts 29:ad409c68c0a6 1133
Wayne Roberts 29:ad409c68c0a6 1134 LoRaMacJoinComputeMic( _jaDecrypted, size - LORAMAC_MFR_LEN, LoRaMacAppKey, &mic );
Wayne Roberts 29:ad409c68c0a6 1135
Wayne Roberts 29:ad409c68c0a6 1136 micRx |= ( uint32_t )_jaDecrypted[size - LORAMAC_MFR_LEN];
Wayne Roberts 29:ad409c68c0a6 1137 micRx |= ( ( uint32_t )_jaDecrypted[size - LORAMAC_MFR_LEN + 1] << 8 );
Wayne Roberts 29:ad409c68c0a6 1138 micRx |= ( ( uint32_t )_jaDecrypted[size - LORAMAC_MFR_LEN + 2] << 16 );
Wayne Roberts 29:ad409c68c0a6 1139 micRx |= ( ( uint32_t )_jaDecrypted[size - LORAMAC_MFR_LEN + 3] << 24 );
dudmuck 0:8f0d0ae0a077 1140
dudmuck 0:8f0d0ae0a077 1141 if( micRx == mic )
dudmuck 0:8f0d0ae0a077 1142 {
Wayne Roberts 29:ad409c68c0a6 1143 LoRaMacJoinComputeSKeys( LoRaMacAppKey, _jaDecrypted + 1, LoRaMacDevNonce, LoRaMacNwkSKey, LoRaMacAppSKey );
Wayne Roberts 29:ad409c68c0a6 1144
Wayne Roberts 29:ad409c68c0a6 1145 LoRaMacNetID = ( uint32_t )_jaDecrypted[4];
Wayne Roberts 29:ad409c68c0a6 1146 LoRaMacNetID |= ( ( uint32_t )_jaDecrypted[5] << 8 );
Wayne Roberts 29:ad409c68c0a6 1147 LoRaMacNetID |= ( ( uint32_t )_jaDecrypted[6] << 16 );
Wayne Roberts 29:ad409c68c0a6 1148
Wayne Roberts 29:ad409c68c0a6 1149 LoRaMacDevAddr = ( uint32_t )_jaDecrypted[7];
Wayne Roberts 29:ad409c68c0a6 1150 LoRaMacDevAddr |= ( ( uint32_t )_jaDecrypted[8] << 8 );
Wayne Roberts 29:ad409c68c0a6 1151 LoRaMacDevAddr |= ( ( uint32_t )_jaDecrypted[9] << 16 );
Wayne Roberts 29:ad409c68c0a6 1152 LoRaMacDevAddr |= ( ( uint32_t )_jaDecrypted[10] << 24 );
dudmuck 0:8f0d0ae0a077 1153
dudmuck 0:8f0d0ae0a077 1154 // DLSettings
Wayne Roberts 29:ad409c68c0a6 1155 LoRaMacParams.Rx1DrOffset = ( _jaDecrypted[11] >> 4 ) & 0x07;
Wayne Roberts 29:ad409c68c0a6 1156
Wayne Roberts 29:ad409c68c0a6 1157 LoRaMacParams.ReceiveDelay_us = ( _jaDecrypted[12] & 0x0F );
dudmuck 0:8f0d0ae0a077 1158 if( LoRaMacParams.ReceiveDelay_us == 0 )
dudmuck 0:8f0d0ae0a077 1159 LoRaMacParams.ReceiveDelay_us = RECEIVE_DELAY_us;
dudmuck 0:8f0d0ae0a077 1160 else
dudmuck 0:8f0d0ae0a077 1161 LoRaMacParams.ReceiveDelay_us *= 10;
dudmuck 0:8f0d0ae0a077 1162
Wayne Roberts 29:ad409c68c0a6 1163 uint16_t beaconTimingDelay = _jaDecrypted[13] & 0xff;
Wayne Roberts 29:ad409c68c0a6 1164 beaconTimingDelay |= _jaDecrypted[14] << 8;
Wayne Roberts 29:ad409c68c0a6 1165
Wayne Roberts 29:ad409c68c0a6 1166 mac_printf("%lx slots:%x (rxdelay %lu)", LoRaMacDevAddr, beaconTimingDelay, LoRaMacParams.ReceiveDelay_us);
Wayne Roberts 29:ad409c68c0a6 1167 {
Wayne Roberts 29:ad409c68c0a6 1168 unsigned us_to_beacon = ( PING_SLOT_RESOLUTION_us * beaconTimingDelay );
Wayne Roberts 29:ad409c68c0a6 1169 mac_printf(" us_to_beacon:%u ", us_to_beacon);
Wayne Roberts 29:ad409c68c0a6 1170 // time to beacon given as referenced to end of join request uplink
Wayne Roberts 29:ad409c68c0a6 1171 BeaconCtx.rx_setup_at = txDoneAt + us_to_beacon - PPM_BEACON_INTERVAL;
Wayne Roberts 29:ad409c68c0a6 1172 BeaconCtx._timeout_rx.attach_us(&OnRxBeaconSetup, BeaconCtx.rx_setup_at);
Wayne Roberts 29:ad409c68c0a6 1173 BeaconCtx._timeout_guard.attach_us(&guard_callback, BeaconCtx.rx_setup_at - BEACON_GUARD_us);
Wayne Roberts 29:ad409c68c0a6 1174
Wayne Roberts 29:ad409c68c0a6 1175 mac_printf("beaconIn:%llu\r\n", BeaconCtx.rx_setup_at - BeaconCtx._timeout_rx.read_us());
Wayne Roberts 29:ad409c68c0a6 1176 }
Wayne Roberts 29:ad409c68c0a6 1177
Wayne Roberts 29:ad409c68c0a6 1178 BeaconCtx.tx_slot_offset = _jaDecrypted[15];
Wayne Roberts 29:ad409c68c0a6 1179 BeaconCtx.tx_slot_offset |= _jaDecrypted[16] << 8;
Wayne Roberts 29:ad409c68c0a6 1180 BeaconCtx.periodicity_slots = _jaDecrypted[17];
Wayne Roberts 29:ad409c68c0a6 1181 BeaconCtx.periodicity_slots |= _jaDecrypted[18] << 8;
Wayne Roberts 29:ad409c68c0a6 1182
Wayne Roberts 29:ad409c68c0a6 1183 /* nowSlot: now vs previous beacon */
Wayne Roberts 29:ad409c68c0a6 1184 BeaconCtx.LastBeaconRx_us = BeaconCtx.rx_setup_at - BEACON_INTERVAL_us;
Wayne Roberts 29:ad409c68c0a6 1185 unsigned us_since_last_beacon = _rx_timeout.read_us() - BeaconCtx.LastBeaconRx_us;
Wayne Roberts 29:ad409c68c0a6 1186 unsigned nowSlot = us_since_last_beacon / PING_SLOT_RESOLUTION_us;
Wayne Roberts 29:ad409c68c0a6 1187 unsigned useSlot = BeaconCtx.tx_slot_offset;
Wayne Roberts 29:ad409c68c0a6 1188 while (useSlot < nowSlot)
Wayne Roberts 29:ad409c68c0a6 1189 useSlot += BeaconCtx.periodicity_slots;
Wayne Roberts 29:ad409c68c0a6 1190
Wayne Roberts 29:ad409c68c0a6 1191 mac_printf("useSlot:%u nowSlot:%u ", useSlot, nowSlot);
Wayne Roberts 29:ad409c68c0a6 1192 BeaconCtx.sendAt = BeaconCtx.LastBeaconRx_us + (useSlot * PING_SLOT_RESOLUTION_us);
Wayne Roberts 29:ad409c68c0a6 1193 mac_printf("sendIn:%u\r\n", BeaconCtx.sendAt - _tx_timeout.read_us());
Wayne Roberts 29:ad409c68c0a6 1194 _tx_timeout.attach_us(send_callback, BeaconCtx.sendAt);
Wayne Roberts 29:ad409c68c0a6 1195 BeaconCtx.sendOpportunities = 0;
Wayne Roberts 29:ad409c68c0a6 1196
dudmuck 0:8f0d0ae0a077 1197 BeaconCtx.state = BEACON_STATE_FIRST_ACQ;
dudmuck 16:915815632c1f 1198 BeaconCtx.guard = false;
dudmuck 0:8f0d0ae0a077 1199 BeaconCtx.num_missed = 0;
dudmuck 0:8f0d0ae0a077 1200 BeaconCtx.rx_precession_us = 0;
Wayne Roberts 29:ad409c68c0a6 1201 BeaconCtx.last_BeaconRxTimerError_us = -PPM_BEACON_INTERVAL;
Wayne Roberts 29:ad409c68c0a6 1202 BeaconCtx.known_working_BeaconRxTimerError_us = -PPM_BEACON_INTERVAL;
Wayne Roberts 29:ad409c68c0a6 1203 /* first beacon reception needs to open for 30ms timing resolution */
Wayne Roberts 29:ad409c68c0a6 1204 BeaconCtx.Precess_symbols = ceil(TARGET_PRECESSION_us / BeaconCtx.symbol_period_us);
Wayne Roberts 29:ad409c68c0a6 1205 BeaconCtx.SymbolTimeout_us = PING_SLOT_RESOLUTION_us + (PPM_BEACON_INTERVAL * 2); // error unknown at start
Wayne Roberts 29:ad409c68c0a6 1206 BeaconCtx.nSymbsTimeout = BeaconCtx.SymbolTimeout_us / BeaconCtx.symbol_period_us;
Wayne Roberts 29:ad409c68c0a6 1207 if (BeaconCtx.nSymbsTimeout < MIN_SYMBOL_TIMEOUT)
Wayne Roberts 29:ad409c68c0a6 1208 BeaconCtx.nSymbsTimeout = MIN_SYMBOL_TIMEOUT;
Wayne Roberts 29:ad409c68c0a6 1209 else if (BeaconCtx.nSymbsTimeout > 255)
Wayne Roberts 29:ad409c68c0a6 1210 BeaconCtx.nSymbsTimeout = 255;
Wayne Roberts 29:ad409c68c0a6 1211 mac_printf("startSymbTo:%u ", BeaconCtx.nSymbsTimeout);
dudmuck 0:8f0d0ae0a077 1212
dudmuck 0:8f0d0ae0a077 1213 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
Wayne Roberts 29:ad409c68c0a6 1214 LoRaMacFlags.Bits.IsLoRaMacNetworkJoined = true;
dudmuck 0:8f0d0ae0a077 1215 LoRaMacParams.ChannelsDatarate_fixed = LoRaMacParamsDefaults.ChannelsDatarate_fixed;
dudmuck 0:8f0d0ae0a077 1216 }
dudmuck 0:8f0d0ae0a077 1217 else
dudmuck 0:8f0d0ae0a077 1218 {
dudmuck 0:8f0d0ae0a077 1219 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL;
Wayne Roberts 29:ad409c68c0a6 1220 mac_printf("join-mic-fail\r\n");
dudmuck 0:8f0d0ae0a077 1221 JoinRequestTrials = MaxJoinRequestTrials; // stop trying
dudmuck 0:8f0d0ae0a077 1222 }
dudmuck 16:915815632c1f 1223 LoRaMacPrimitives->MacMlmeConfirm( &MlmeConfirm );
dudmuck 16:915815632c1f 1224 LoRaMacFlags.Bits.MlmeReq = 0; // MacMlmeConfirm() called
dudmuck 0:8f0d0ae0a077 1225 break;
dudmuck 0:8f0d0ae0a077 1226 case FRAME_TYPE_DATA_CONFIRMED_DOWN:
dudmuck 0:8f0d0ae0a077 1227 case FRAME_TYPE_DATA_UNCONFIRMED_DOWN:
dudmuck 0:8f0d0ae0a077 1228 {
Wayne Roberts 29:ad409c68c0a6 1229 address = Radio::radio.rx_buf[pktHeaderLen++];
Wayne Roberts 29:ad409c68c0a6 1230 address |= ( (uint32_t)Radio::radio.rx_buf[pktHeaderLen++] << 8 );
Wayne Roberts 29:ad409c68c0a6 1231 address |= ( (uint32_t)Radio::radio.rx_buf[pktHeaderLen++] << 16 );
Wayne Roberts 29:ad409c68c0a6 1232 address |= ( (uint32_t)Radio::radio.rx_buf[pktHeaderLen++] << 24 );
dudmuck 0:8f0d0ae0a077 1233
dudmuck 0:8f0d0ae0a077 1234 if( address != LoRaMacDevAddr )
dudmuck 0:8f0d0ae0a077 1235 {
dudmuck 0:8f0d0ae0a077 1236 curMulticastParams = MulticastChannels;
dudmuck 0:8f0d0ae0a077 1237 while( curMulticastParams != NULL )
dudmuck 0:8f0d0ae0a077 1238 {
dudmuck 0:8f0d0ae0a077 1239 if( address == curMulticastParams->Address )
dudmuck 0:8f0d0ae0a077 1240 {
dudmuck 0:8f0d0ae0a077 1241 multicast = 1;
dudmuck 0:8f0d0ae0a077 1242 nwkSKey = curMulticastParams->NwkSKey;
dudmuck 0:8f0d0ae0a077 1243 appSKey = curMulticastParams->AppSKey;
dudmuck 0:8f0d0ae0a077 1244 downLinkCounter = curMulticastParams->DownLinkCounter;
dudmuck 0:8f0d0ae0a077 1245 break;
dudmuck 0:8f0d0ae0a077 1246 }
dudmuck 0:8f0d0ae0a077 1247 curMulticastParams = curMulticastParams->Next;
dudmuck 0:8f0d0ae0a077 1248 }
dudmuck 0:8f0d0ae0a077 1249 if( multicast == 0 )
dudmuck 0:8f0d0ae0a077 1250 {
dudmuck 0:8f0d0ae0a077 1251 // We are not the destination of this frame.
dudmuck 0:8f0d0ae0a077 1252 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL;
dudmuck 0:8f0d0ae0a077 1253 PrepareRxDoneAbort( );
dudmuck 0:8f0d0ae0a077 1254 return;
dudmuck 0:8f0d0ae0a077 1255 }
dudmuck 0:8f0d0ae0a077 1256 }
dudmuck 0:8f0d0ae0a077 1257 else
dudmuck 0:8f0d0ae0a077 1258 {
dudmuck 0:8f0d0ae0a077 1259 multicast = 0;
dudmuck 0:8f0d0ae0a077 1260 nwkSKey = LoRaMacNwkSKey;
dudmuck 0:8f0d0ae0a077 1261 appSKey = LoRaMacAppSKey;
dudmuck 0:8f0d0ae0a077 1262 downLinkCounter = DownLinkCounter;
dudmuck 0:8f0d0ae0a077 1263 }
dudmuck 0:8f0d0ae0a077 1264
Wayne Roberts 29:ad409c68c0a6 1265 fCtrl.Value = Radio::radio.rx_buf[pktHeaderLen++];
Wayne Roberts 29:ad409c68c0a6 1266
Wayne Roberts 29:ad409c68c0a6 1267 sequenceCounter = ( uint16_t )Radio::radio.rx_buf[pktHeaderLen++];
Wayne Roberts 29:ad409c68c0a6 1268 sequenceCounter |= ( uint16_t )Radio::radio.rx_buf[pktHeaderLen++] << 8;
dudmuck 0:8f0d0ae0a077 1269
dudmuck 0:8f0d0ae0a077 1270 appPayloadStartIndex = 8 + fCtrl.Bits.FOptsLen;
dudmuck 0:8f0d0ae0a077 1271
Wayne Roberts 29:ad409c68c0a6 1272 micRx |= ( uint32_t )Radio::radio.rx_buf[size - LORAMAC_MFR_LEN];
Wayne Roberts 29:ad409c68c0a6 1273 micRx |= ( ( uint32_t )Radio::radio.rx_buf[size - LORAMAC_MFR_LEN + 1] << 8 );
Wayne Roberts 29:ad409c68c0a6 1274 micRx |= ( ( uint32_t )Radio::radio.rx_buf[size - LORAMAC_MFR_LEN + 2] << 16 );
Wayne Roberts 29:ad409c68c0a6 1275 micRx |= ( ( uint32_t )Radio::radio.rx_buf[size - LORAMAC_MFR_LEN + 3] << 24 );
dudmuck 0:8f0d0ae0a077 1276
dudmuck 0:8f0d0ae0a077 1277 sequenceCounterPrev = ( uint16_t )downLinkCounter;
dudmuck 0:8f0d0ae0a077 1278 sequenceCounterDiff = ( sequenceCounter - sequenceCounterPrev );
dudmuck 0:8f0d0ae0a077 1279
dudmuck 0:8f0d0ae0a077 1280 if( sequenceCounterDiff < ( 1 << 15 ) )
dudmuck 0:8f0d0ae0a077 1281 {
dudmuck 0:8f0d0ae0a077 1282 downLinkCounter += sequenceCounterDiff;
Wayne Roberts 29:ad409c68c0a6 1283 LoRaMacComputeMic( Radio::radio.rx_buf, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounter, &mic );
dudmuck 0:8f0d0ae0a077 1284 if( micRx == mic )
dudmuck 0:8f0d0ae0a077 1285 {
dudmuck 0:8f0d0ae0a077 1286 isMicOk = true;
dudmuck 0:8f0d0ae0a077 1287 }
dudmuck 0:8f0d0ae0a077 1288 }
dudmuck 0:8f0d0ae0a077 1289 else
dudmuck 0:8f0d0ae0a077 1290 {
dudmuck 0:8f0d0ae0a077 1291 // check for sequence roll-over
dudmuck 0:8f0d0ae0a077 1292 uint32_t downLinkCounterTmp = downLinkCounter + 0x10000 + ( int16_t )sequenceCounterDiff;
Wayne Roberts 29:ad409c68c0a6 1293 LoRaMacComputeMic( Radio::radio.rx_buf, size - LORAMAC_MFR_LEN, nwkSKey, address, DOWN_LINK, downLinkCounterTmp, &mic );
dudmuck 0:8f0d0ae0a077 1294 if( micRx == mic )
dudmuck 0:8f0d0ae0a077 1295 {
dudmuck 0:8f0d0ae0a077 1296 isMicOk = true;
dudmuck 0:8f0d0ae0a077 1297 downLinkCounter = downLinkCounterTmp;
dudmuck 0:8f0d0ae0a077 1298 }
dudmuck 0:8f0d0ae0a077 1299 }
dudmuck 0:8f0d0ae0a077 1300
dudmuck 0:8f0d0ae0a077 1301 // Check for a the maximum allowed counter difference
dudmuck 0:8f0d0ae0a077 1302 if( sequenceCounterDiff >= MAX_FCNT_GAP )
dudmuck 0:8f0d0ae0a077 1303 {
dudmuck 0:8f0d0ae0a077 1304 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_DOWNLINK_TOO_MANY_FRAMES_LOSS;
dudmuck 0:8f0d0ae0a077 1305 McpsIndication.DownLinkCounter = downLinkCounter;
dudmuck 0:8f0d0ae0a077 1306 PrepareRxDoneAbort( );
dudmuck 0:8f0d0ae0a077 1307 return;
dudmuck 0:8f0d0ae0a077 1308 }
dudmuck 0:8f0d0ae0a077 1309
dudmuck 0:8f0d0ae0a077 1310 if( isMicOk == true )
dudmuck 0:8f0d0ae0a077 1311 {
dudmuck 0:8f0d0ae0a077 1312 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1313 McpsIndication.Multicast = multicast;
dudmuck 0:8f0d0ae0a077 1314 McpsIndication.FramePending = fCtrl.Bits.FPending;
dudmuck 0:8f0d0ae0a077 1315 McpsIndication.Buffer = NULL;
dudmuck 0:8f0d0ae0a077 1316 McpsIndication.BufferSize = 0;
dudmuck 0:8f0d0ae0a077 1317 McpsIndication.DownLinkCounter = downLinkCounter;
dudmuck 0:8f0d0ae0a077 1318
dudmuck 0:8f0d0ae0a077 1319 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1320
dudmuck 0:8f0d0ae0a077 1321 MacCommandsBufferToRepeatIndex = 0;
dudmuck 0:8f0d0ae0a077 1322
dudmuck 0:8f0d0ae0a077 1323 // Update 32 bits downlink counter
dudmuck 0:8f0d0ae0a077 1324 if( multicast == 1 )
dudmuck 0:8f0d0ae0a077 1325 {
dudmuck 0:8f0d0ae0a077 1326 McpsIndication.McpsIndication = MCPS_MULTICAST;
dudmuck 0:8f0d0ae0a077 1327
dudmuck 0:8f0d0ae0a077 1328 if( ( curMulticastParams->DownLinkCounter == downLinkCounter ) &&
dudmuck 0:8f0d0ae0a077 1329 ( curMulticastParams->DownLinkCounter != 0 ) )
dudmuck 0:8f0d0ae0a077 1330 {
dudmuck 0:8f0d0ae0a077 1331 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_DOWNLINK_REPEATED;
dudmuck 0:8f0d0ae0a077 1332 McpsIndication.DownLinkCounter = downLinkCounter;
dudmuck 0:8f0d0ae0a077 1333 PrepareRxDoneAbort( );
dudmuck 0:8f0d0ae0a077 1334 return;
dudmuck 0:8f0d0ae0a077 1335 }
dudmuck 0:8f0d0ae0a077 1336 curMulticastParams->DownLinkCounter = downLinkCounter;
dudmuck 0:8f0d0ae0a077 1337 }
dudmuck 0:8f0d0ae0a077 1338 else
dudmuck 0:8f0d0ae0a077 1339 {
dudmuck 0:8f0d0ae0a077 1340 if( macHdr.Bits.MType == FRAME_TYPE_DATA_CONFIRMED_DOWN )
dudmuck 0:8f0d0ae0a077 1341 {
Wayne Roberts 29:ad409c68c0a6 1342 LoRaMacFlags.Bits.SrvAckRequested = true;
dudmuck 0:8f0d0ae0a077 1343 McpsIndication.McpsIndication = MCPS_CONFIRMED;
dudmuck 0:8f0d0ae0a077 1344
dudmuck 0:8f0d0ae0a077 1345 if( ( DownLinkCounter == downLinkCounter ) &&
dudmuck 0:8f0d0ae0a077 1346 ( DownLinkCounter != 0 ) )
dudmuck 0:8f0d0ae0a077 1347 {
dudmuck 0:8f0d0ae0a077 1348 // Duplicated confirmed downlink. Skip indication.
dudmuck 0:8f0d0ae0a077 1349 // In this case, the MAC layer shall accept the MAC commands
dudmuck 0:8f0d0ae0a077 1350 // which are included in the downlink retransmission.
dudmuck 0:8f0d0ae0a077 1351 // It should not provide the same frame to the application
dudmuck 0:8f0d0ae0a077 1352 // layer again.
dudmuck 0:8f0d0ae0a077 1353 skipIndication = true;
dudmuck 0:8f0d0ae0a077 1354 }
dudmuck 0:8f0d0ae0a077 1355 }
dudmuck 0:8f0d0ae0a077 1356 else
dudmuck 0:8f0d0ae0a077 1357 {
Wayne Roberts 29:ad409c68c0a6 1358 LoRaMacFlags.Bits.SrvAckRequested = false;
dudmuck 0:8f0d0ae0a077 1359 McpsIndication.McpsIndication = MCPS_UNCONFIRMED;
dudmuck 0:8f0d0ae0a077 1360
dudmuck 0:8f0d0ae0a077 1361 if( ( DownLinkCounter == downLinkCounter ) &&
dudmuck 0:8f0d0ae0a077 1362 ( DownLinkCounter != 0 ) )
dudmuck 0:8f0d0ae0a077 1363 {
dudmuck 0:8f0d0ae0a077 1364 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_DOWNLINK_REPEATED;
dudmuck 0:8f0d0ae0a077 1365 McpsIndication.DownLinkCounter = downLinkCounter;
dudmuck 0:8f0d0ae0a077 1366 PrepareRxDoneAbort( );
dudmuck 0:8f0d0ae0a077 1367 return;
dudmuck 0:8f0d0ae0a077 1368 }
dudmuck 0:8f0d0ae0a077 1369 }
dudmuck 0:8f0d0ae0a077 1370 DownLinkCounter = downLinkCounter;
dudmuck 0:8f0d0ae0a077 1371 }
dudmuck 0:8f0d0ae0a077 1372
dudmuck 0:8f0d0ae0a077 1373 // This must be done before parsing the payload and the MAC commands.
dudmuck 0:8f0d0ae0a077 1374 // We need to reset the MacCommandsBufferIndex here, since we need
dudmuck 0:8f0d0ae0a077 1375 // to take retransmissions and repititions into account. Error cases
dudmuck 0:8f0d0ae0a077 1376 // will be handled in function OnMacStateCheckTimerEvent.
dudmuck 0:8f0d0ae0a077 1377 if( McpsConfirm.McpsRequest == MCPS_CONFIRMED )
dudmuck 0:8f0d0ae0a077 1378 {
dudmuck 0:8f0d0ae0a077 1379 if( fCtrl.Bits.Ack == 1 )
dudmuck 0:8f0d0ae0a077 1380 {// Reset MacCommandsBufferIndex when we have received an ACK.
dudmuck 0:8f0d0ae0a077 1381 MacCommandsBufferIndex = 0;
dudmuck 0:8f0d0ae0a077 1382 }
dudmuck 0:8f0d0ae0a077 1383 }
dudmuck 0:8f0d0ae0a077 1384 else
dudmuck 0:8f0d0ae0a077 1385 {// Reset the variable if we have received any valid frame.
dudmuck 0:8f0d0ae0a077 1386 MacCommandsBufferIndex = 0;
dudmuck 0:8f0d0ae0a077 1387 }
dudmuck 0:8f0d0ae0a077 1388
dudmuck 0:8f0d0ae0a077 1389 // Process payload and MAC commands
dudmuck 0:8f0d0ae0a077 1390 if( ( ( size - 4 ) - appPayloadStartIndex ) > 0 )
dudmuck 0:8f0d0ae0a077 1391 {
Wayne Roberts 29:ad409c68c0a6 1392 port = Radio::radio.rx_buf[appPayloadStartIndex++];
dudmuck 0:8f0d0ae0a077 1393 frameLen = ( size - 4 ) - appPayloadStartIndex;
dudmuck 0:8f0d0ae0a077 1394
dudmuck 0:8f0d0ae0a077 1395 McpsIndication.Port = port;
dudmuck 0:8f0d0ae0a077 1396
dudmuck 0:8f0d0ae0a077 1397 if( port == 0 )
dudmuck 0:8f0d0ae0a077 1398 {
dudmuck 0:8f0d0ae0a077 1399 // Only allow frames which do not have fOpts
dudmuck 0:8f0d0ae0a077 1400 if( fCtrl.Bits.FOptsLen == 0 )
dudmuck 0:8f0d0ae0a077 1401 {
Wayne Roberts 29:ad409c68c0a6 1402 uint8_t macDecrypt[16];
Wayne Roberts 29:ad409c68c0a6 1403 LoRaMacPayloadDecrypt( Radio::radio.rx_buf + appPayloadStartIndex,
dudmuck 0:8f0d0ae0a077 1404 frameLen,
dudmuck 0:8f0d0ae0a077 1405 nwkSKey,
dudmuck 0:8f0d0ae0a077 1406 address,
dudmuck 0:8f0d0ae0a077 1407 DOWN_LINK,
dudmuck 0:8f0d0ae0a077 1408 downLinkCounter,
Wayne Roberts 29:ad409c68c0a6 1409 macDecrypt);
dudmuck 0:8f0d0ae0a077 1410
dudmuck 0:8f0d0ae0a077 1411 // Decode frame payload MAC commands
Wayne Roberts 29:ad409c68c0a6 1412 ProcessMacCommands( macDecrypt, 0, frameLen, snr );
dudmuck 0:8f0d0ae0a077 1413 }
dudmuck 0:8f0d0ae0a077 1414 else
dudmuck 0:8f0d0ae0a077 1415 {
dudmuck 0:8f0d0ae0a077 1416 skipIndication = true;
dudmuck 0:8f0d0ae0a077 1417 }
dudmuck 0:8f0d0ae0a077 1418 }
dudmuck 0:8f0d0ae0a077 1419 else
dudmuck 0:8f0d0ae0a077 1420 {
dudmuck 0:8f0d0ae0a077 1421 if( fCtrl.Bits.FOptsLen > 0 )
dudmuck 0:8f0d0ae0a077 1422 {
dudmuck 0:8f0d0ae0a077 1423 // Decode Options field MAC commands. Omit the fPort.
Wayne Roberts 29:ad409c68c0a6 1424 ProcessMacCommands( Radio::radio.rx_buf, 8, appPayloadStartIndex - 1, snr );
dudmuck 0:8f0d0ae0a077 1425 }
dudmuck 0:8f0d0ae0a077 1426
Wayne Roberts 29:ad409c68c0a6 1427 LoRaMacPayloadDecrypt( Radio::radio.rx_buf + appPayloadStartIndex,
dudmuck 0:8f0d0ae0a077 1428 frameLen,
dudmuck 0:8f0d0ae0a077 1429 appSKey,
dudmuck 0:8f0d0ae0a077 1430 address,
dudmuck 0:8f0d0ae0a077 1431 DOWN_LINK,
dudmuck 0:8f0d0ae0a077 1432 downLinkCounter,
Wayne Roberts 29:ad409c68c0a6 1433 rxFRMPayload);
dudmuck 0:8f0d0ae0a077 1434
dudmuck 0:8f0d0ae0a077 1435 if( skipIndication == false )
dudmuck 0:8f0d0ae0a077 1436 {
Wayne Roberts 29:ad409c68c0a6 1437 McpsIndication.Buffer = rxFRMPayload;
dudmuck 0:8f0d0ae0a077 1438 McpsIndication.BufferSize = frameLen;
dudmuck 0:8f0d0ae0a077 1439 McpsIndication.RxData = true;
dudmuck 0:8f0d0ae0a077 1440 }
dudmuck 0:8f0d0ae0a077 1441 }
dudmuck 0:8f0d0ae0a077 1442 }
dudmuck 0:8f0d0ae0a077 1443 else
dudmuck 0:8f0d0ae0a077 1444 {
dudmuck 0:8f0d0ae0a077 1445 if( fCtrl.Bits.FOptsLen > 0 )
dudmuck 0:8f0d0ae0a077 1446 {
dudmuck 0:8f0d0ae0a077 1447 // Decode Options field MAC commands
Wayne Roberts 29:ad409c68c0a6 1448 ProcessMacCommands( Radio::radio.rx_buf, 8, appPayloadStartIndex, snr );
dudmuck 0:8f0d0ae0a077 1449 }
dudmuck 0:8f0d0ae0a077 1450 }
dudmuck 0:8f0d0ae0a077 1451
dudmuck 0:8f0d0ae0a077 1452 if( skipIndication == false )
dudmuck 0:8f0d0ae0a077 1453 {
dudmuck 0:8f0d0ae0a077 1454 // Check if the frame is an acknowledgement
dudmuck 0:8f0d0ae0a077 1455 if( fCtrl.Bits.Ack == 1 )
dudmuck 0:8f0d0ae0a077 1456 {
dudmuck 0:8f0d0ae0a077 1457 McpsConfirm.AckReceived = true;
dudmuck 0:8f0d0ae0a077 1458 McpsIndication.AckReceived = true;
dudmuck 0:8f0d0ae0a077 1459
dudmuck 0:8f0d0ae0a077 1460 // Stop the AckTimeout timer as no more retransmissions
dudmuck 0:8f0d0ae0a077 1461 // are needed.
dudmuck 0:8f0d0ae0a077 1462 }
dudmuck 0:8f0d0ae0a077 1463 else
dudmuck 0:8f0d0ae0a077 1464 {
dudmuck 0:8f0d0ae0a077 1465 McpsConfirm.AckReceived = false;
dudmuck 0:8f0d0ae0a077 1466 }
dudmuck 0:8f0d0ae0a077 1467 }
dudmuck 0:8f0d0ae0a077 1468 // Provide always an indication, skip the callback to the user application,
dudmuck 0:8f0d0ae0a077 1469 // in case of a confirmed downlink retransmission.
dudmuck 0:8f0d0ae0a077 1470 LoRaMacFlags.Bits.McpsInd = 1;
dudmuck 0:8f0d0ae0a077 1471 LoRaMacFlags.Bits.McpsIndSkip = skipIndication;
dudmuck 0:8f0d0ae0a077 1472 }
dudmuck 0:8f0d0ae0a077 1473 else
dudmuck 0:8f0d0ae0a077 1474 {
dudmuck 0:8f0d0ae0a077 1475 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_MIC_FAIL;
dudmuck 5:c108560af4c3 1476 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_MIC_FAIL;
dudmuck 0:8f0d0ae0a077 1477 PrepareRxDoneAbort( );
dudmuck 0:8f0d0ae0a077 1478 return;
dudmuck 0:8f0d0ae0a077 1479 }
dudmuck 0:8f0d0ae0a077 1480 }
dudmuck 0:8f0d0ae0a077 1481 break;
dudmuck 0:8f0d0ae0a077 1482 case FRAME_TYPE_PROPRIETARY:
dudmuck 0:8f0d0ae0a077 1483 {
dudmuck 0:8f0d0ae0a077 1484 McpsIndication.McpsIndication = MCPS_PROPRIETARY;
dudmuck 0:8f0d0ae0a077 1485 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_OK;
Wayne Roberts 29:ad409c68c0a6 1486 McpsIndication.Buffer = Radio::radio.rx_buf;
dudmuck 0:8f0d0ae0a077 1487 McpsIndication.BufferSize = size - pktHeaderLen;
dudmuck 0:8f0d0ae0a077 1488
dudmuck 0:8f0d0ae0a077 1489 LoRaMacFlags.Bits.McpsInd = 1;
dudmuck 0:8f0d0ae0a077 1490 break;
dudmuck 0:8f0d0ae0a077 1491 }
dudmuck 0:8f0d0ae0a077 1492 default:
dudmuck 2:f2d9aa163652 1493 McpsIndication.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_RX_MTYPE;
dudmuck 5:c108560af4c3 1494 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_RX_MTYPE;
Wayne Roberts 29:ad409c68c0a6 1495 mac_printf("%d:macHdr:%02x(%d,%d) ", size, macHdr.Value, rssi, snr);
dudmuck 0:8f0d0ae0a077 1496 PrepareRxDoneAbort( );
dudmuck 0:8f0d0ae0a077 1497 break;
dudmuck 0:8f0d0ae0a077 1498 }
dudmuck 0:8f0d0ae0a077 1499 LoRaMacFlags.Bits.MacDone = 1;
dudmuck 0:8f0d0ae0a077 1500
dudmuck 16:915815632c1f 1501 application_callbacks();
dudmuck 16:915815632c1f 1502
Wayne Roberts 29:ad409c68c0a6 1503 } // ..OnRadioRxDone()
dudmuck 16:915815632c1f 1504
dudmuck 0:8f0d0ae0a077 1505 static void OnRadioTxTimeout( void )
dudmuck 0:8f0d0ae0a077 1506 {
Wayne Roberts 29:ad409c68c0a6 1507 Radio::Sleep( );
dudmuck 0:8f0d0ae0a077 1508
dudmuck 0:8f0d0ae0a077 1509 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT;
dudmuck 0:8f0d0ae0a077 1510 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT;
dudmuck 0:8f0d0ae0a077 1511 LoRaMacFlags.Bits.MacDone = 1;
dudmuck 0:8f0d0ae0a077 1512 }
dudmuck 0:8f0d0ae0a077 1513
dudmuck 0:8f0d0ae0a077 1514 static void OnRadioRxError( void )
dudmuck 0:8f0d0ae0a077 1515 {
Wayne Roberts 29:ad409c68c0a6 1516 Radio::Sleep( );
Wayne Roberts 29:ad409c68c0a6 1517
Wayne Roberts 29:ad409c68c0a6 1518 if (LoRaMacFlags.Bits.NodeAckRequested)
dudmuck 0:8f0d0ae0a077 1519 {
dudmuck 0:8f0d0ae0a077 1520 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_ERROR;
dudmuck 0:8f0d0ae0a077 1521 }
dudmuck 0:8f0d0ae0a077 1522 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_ERROR;
dudmuck 0:8f0d0ae0a077 1523
Wayne Roberts 29:ad409c68c0a6 1524 LoRaMacFlags.Bits.MacDone = 1;
dudmuck 0:8f0d0ae0a077 1525 }
dudmuck 0:8f0d0ae0a077 1526
dudmuck 16:915815632c1f 1527 static void
dudmuck 16:915815632c1f 1528 join_send()
dudmuck 16:915815632c1f 1529 {
Wayne Roberts 29:ad409c68c0a6 1530 LoRaMacFlags.Bits.join_send = 1;
dudmuck 20:42839629a5dc 1531 }
dudmuck 20:42839629a5dc 1532
dudmuck 25:fed9d5b77183 1533 static void ScheduleTx( void )
dudmuck 25:fed9d5b77183 1534 {
Wayne Roberts 29:ad409c68c0a6 1535 if (!LoRaMacFlags.Bits.IsLoRaMacNetworkJoined)
Wayne Roberts 29:ad409c68c0a6 1536 LoRaMacFlags.Bits.send = 1; // immediately send join asychronously
dudmuck 25:fed9d5b77183 1537 else
dudmuck 25:fed9d5b77183 1538 LoRaMacFlags.Bits.uplink_pending = 1; // send synchronously
dudmuck 25:fed9d5b77183 1539 }
dudmuck 25:fed9d5b77183 1540
dudmuck 20:42839629a5dc 1541 static void
dudmuck 20:42839629a5dc 1542 join_send_bh()
dudmuck 20:42839629a5dc 1543 {
dudmuck 16:915815632c1f 1544 if (JoinRequestTrials < MaxJoinRequestTrials) {
dudmuck 16:915815632c1f 1545 LoRaMacHeader_t macHdr;
dudmuck 16:915815632c1f 1546 LoRaMacFrameCtrl_t fCtrl;
Wayne Roberts 29:ad409c68c0a6 1547
dudmuck 16:915815632c1f 1548 if (++Channel == LORA_MAX_NB_CHANNELS)
dudmuck 16:915815632c1f 1549 Channel = 0;
Wayne Roberts 29:ad409c68c0a6 1550 mac_printf("<join-ch%u>", Channel);
Wayne Roberts 29:ad409c68c0a6 1551
dudmuck 16:915815632c1f 1552 macHdr.Value = 0;
dudmuck 16:915815632c1f 1553 macHdr.Bits.MType = FRAME_TYPE_JOIN_REQ;
Wayne Roberts 29:ad409c68c0a6 1554
dudmuck 16:915815632c1f 1555 fCtrl.Value = 0;
dudmuck 16:915815632c1f 1556 fCtrl.Bits.Adr = 0;
Wayne Roberts 29:ad409c68c0a6 1557
dudmuck 16:915815632c1f 1558 /* In case of join request retransmissions, the stack must prepare
dudmuck 16:915815632c1f 1559 * the frame again, because the network server keeps track of the random
dudmuck 16:915815632c1f 1560 * LoRaMacDevNonce values to prevent reply attacks. */
dudmuck 16:915815632c1f 1561 PrepareFrame( &macHdr, &fCtrl, 0, NULL, 0 );
Wayne Roberts 29:ad409c68c0a6 1562
dudmuck 16:915815632c1f 1563 ScheduleTx();
dudmuck 16:915815632c1f 1564 } else {
dudmuck 16:915815632c1f 1565 MlmeConfirm.MlmeRequest = MLME_JOIN;
dudmuck 16:915815632c1f 1566 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL;
dudmuck 16:915815632c1f 1567 LoRaMacPrimitives->MacMlmeConfirm( &MlmeConfirm );
dudmuck 16:915815632c1f 1568 }
Wayne Roberts 29:ad409c68c0a6 1569 } // ..join_send_bh()
dudmuck 16:915815632c1f 1570
dudmuck 0:8f0d0ae0a077 1571 static void OnRadioRxTimeout( void )
dudmuck 0:8f0d0ae0a077 1572 {
Wayne Roberts 29:ad409c68c0a6 1573 Radio::Sleep( );
Wayne Roberts 29:ad409c68c0a6 1574
Wayne Roberts 29:ad409c68c0a6 1575 if (LoRaMacFlags.Bits.expecting_beacon) {
Wayne Roberts 29:ad409c68c0a6 1576 float ourErrSecs = BeaconCtx.known_working_BeaconRxTimerError_us / 1000000.0;
dudmuck 0:8f0d0ae0a077 1577
dudmuck 16:915815632c1f 1578 BeaconCtx.guard = false;
Wayne Roberts 29:ad409c68c0a6 1579 LoRaMacFlags.Bits.expecting_beacon = false;
Wayne Roberts 29:ad409c68c0a6 1580
Wayne Roberts 29:ad409c68c0a6 1581 BeaconCtx.rx_setup_at += BEACON_INTERVAL_us + BeaconCtx.known_working_BeaconRxTimerError_us;
Wayne Roberts 29:ad409c68c0a6 1582 BeaconCtx.rx_setup_at -= (PPM_BEACON_INTERVAL / 4);
Wayne Roberts 29:ad409c68c0a6 1583 us_to_nSymbTimeout(BeaconCtx.SymbolTimeout_us + (PPM_BEACON_INTERVAL / 2));
Wayne Roberts 29:ad409c68c0a6 1584 mac_printf("beacon timeout ourErr:%f SymbTo:%u\r\n", ourErrSecs, BeaconCtx.nSymbsTimeout);
Wayne Roberts 29:ad409c68c0a6 1585
Wayne Roberts 29:ad409c68c0a6 1586 BeaconCtx._timeout_rx.attach_us(&OnRxBeaconSetup, BeaconCtx.rx_setup_at);
Wayne Roberts 29:ad409c68c0a6 1587 BeaconCtx._timeout_guard.attach_us(&guard_callback, BeaconCtx.rx_setup_at - BEACON_GUARD_us);
Wayne Roberts 29:ad409c68c0a6 1588
Wayne Roberts 29:ad409c68c0a6 1589 if (++BeaconCtx.num_missed > BEACONS_MISSED_LIMIT) {
Wayne Roberts 29:ad409c68c0a6 1590 LoRaMacFlags.Bits.reJoin = 1;
Wayne Roberts 29:ad409c68c0a6 1591 } else {
Wayne Roberts 29:ad409c68c0a6 1592 MlmeIndication.MlmeIndication = MLME_BEACON;
Wayne Roberts 29:ad409c68c0a6 1593 MlmeIndication.Status = LORAMAC_EVENT_INFO_STATUS_BEACON_LOST;
Wayne Roberts 29:ad409c68c0a6 1594 LoRaMacPrimitives->MacMlmeIndication( &MlmeIndication );
Wayne Roberts 29:ad409c68c0a6 1595 }
Wayne Roberts 29:ad409c68c0a6 1596
Wayne Roberts 29:ad409c68c0a6 1597 BeaconCtx.sendAt = BeaconCtx.LastBeaconRx_us + ((BEACON_INTERVAL_us + BeaconCtx.known_working_BeaconRxTimerError_us) * BeaconCtx.num_missed);
Wayne Roberts 29:ad409c68c0a6 1598 BeaconCtx.sendAt += BeaconCtx.tx_slot_offset * PING_SLOT_RESOLUTION_us;
Wayne Roberts 29:ad409c68c0a6 1599 _tx_timeout.attach_us(&send_callback, BeaconCtx.sendAt);
Wayne Roberts 29:ad409c68c0a6 1600
dudmuck 16:915815632c1f 1601 } else {
dudmuck 25:fed9d5b77183 1602 if (LoRaMacFlags.Bits.MlmeReq && ( MlmeConfirm.MlmeRequest == MLME_JOIN )) {
dudmuck 25:fed9d5b77183 1603 /* no join accept received: join retry */
Wayne Roberts 29:ad409c68c0a6 1604 _tx_timeout.attach_us(&join_send, _tx_timeout.read_us() + (JoinRequestTrials*20000) + randr(0, 70000));
dudmuck 25:fed9d5b77183 1605 }
dudmuck 0:8f0d0ae0a077 1606 }
dudmuck 0:8f0d0ae0a077 1607
Wayne Roberts 29:ad409c68c0a6 1608 if (LoRaMacFlags.Bits.NodeAckRequested)
dudmuck 0:8f0d0ae0a077 1609 {
dudmuck 0:8f0d0ae0a077 1610 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT;
dudmuck 0:8f0d0ae0a077 1611 }
dudmuck 0:8f0d0ae0a077 1612 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT;
dudmuck 0:8f0d0ae0a077 1613 LoRaMacFlags.Bits.MacDone = 1;
Wayne Roberts 29:ad409c68c0a6 1614
dudmuck 16:915815632c1f 1615 application_callbacks();
dudmuck 1:53c30224eda8 1616 } // ..OnRadioRxTimeout();
dudmuck 0:8f0d0ae0a077 1617
dudmuck 0:8f0d0ae0a077 1618 static void OnAckTimeoutTimerEvent( void )
dudmuck 0:8f0d0ae0a077 1619 {
dudmuck 0:8f0d0ae0a077 1620 }
dudmuck 0:8f0d0ae0a077 1621
dudmuck 0:8f0d0ae0a077 1622 static bool ValueInRange( int8_t value, int8_t min, int8_t max )
dudmuck 0:8f0d0ae0a077 1623 {
dudmuck 0:8f0d0ae0a077 1624 if( ( value >= min ) && ( value <= max ) )
dudmuck 0:8f0d0ae0a077 1625 {
dudmuck 0:8f0d0ae0a077 1626 return true;
dudmuck 0:8f0d0ae0a077 1627 }
dudmuck 0:8f0d0ae0a077 1628 return false;
dudmuck 0:8f0d0ae0a077 1629 }
dudmuck 0:8f0d0ae0a077 1630
dudmuck 0:8f0d0ae0a077 1631 static LoRaMacStatus_t AddMacCommand( uint8_t cmd, uint8_t p1, uint8_t p2 )
dudmuck 0:8f0d0ae0a077 1632 {
dudmuck 0:8f0d0ae0a077 1633 LoRaMacStatus_t status = LORAMAC_STATUS_BUSY;
dudmuck 0:8f0d0ae0a077 1634 // The maximum buffer length must take MAC commands to re-send into account.
dudmuck 0:8f0d0ae0a077 1635 uint8_t bufLen = LORA_MAC_COMMAND_MAX_LENGTH - MacCommandsBufferToRepeatIndex;
dudmuck 0:8f0d0ae0a077 1636
dudmuck 0:8f0d0ae0a077 1637 switch( cmd )
dudmuck 0:8f0d0ae0a077 1638 {
dudmuck 0:8f0d0ae0a077 1639 case MOTE_MAC_LINK_CHECK_REQ:
dudmuck 0:8f0d0ae0a077 1640 if( MacCommandsBufferIndex < bufLen )
dudmuck 0:8f0d0ae0a077 1641 {
dudmuck 0:8f0d0ae0a077 1642 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
dudmuck 0:8f0d0ae0a077 1643 // No payload for this command
dudmuck 0:8f0d0ae0a077 1644 status = LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1645 }
dudmuck 0:8f0d0ae0a077 1646 break;
dudmuck 0:8f0d0ae0a077 1647 case MOTE_MAC_RX_PARAM_SETUP_ANS:
dudmuck 0:8f0d0ae0a077 1648 if( MacCommandsBufferIndex < ( bufLen - 1 ) )
dudmuck 0:8f0d0ae0a077 1649 {
dudmuck 0:8f0d0ae0a077 1650 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
dudmuck 0:8f0d0ae0a077 1651 // Status: Datarate ACK, Channel ACK
dudmuck 0:8f0d0ae0a077 1652 MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
dudmuck 0:8f0d0ae0a077 1653 status = LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1654 }
dudmuck 0:8f0d0ae0a077 1655 break;
dudmuck 0:8f0d0ae0a077 1656 case MOTE_MAC_DEV_STATUS_ANS:
dudmuck 0:8f0d0ae0a077 1657 if( MacCommandsBufferIndex < ( bufLen - 2 ) )
dudmuck 0:8f0d0ae0a077 1658 {
dudmuck 0:8f0d0ae0a077 1659 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
dudmuck 0:8f0d0ae0a077 1660 // 1st byte Battery
dudmuck 0:8f0d0ae0a077 1661 // 2nd byte Margin
dudmuck 0:8f0d0ae0a077 1662 MacCommandsBuffer[MacCommandsBufferIndex++] = p1;
dudmuck 0:8f0d0ae0a077 1663 MacCommandsBuffer[MacCommandsBufferIndex++] = p2;
dudmuck 0:8f0d0ae0a077 1664 status = LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1665 }
dudmuck 0:8f0d0ae0a077 1666 break;
dudmuck 0:8f0d0ae0a077 1667 case MOTE_MAC_RX_TIMING_SETUP_ANS:
dudmuck 0:8f0d0ae0a077 1668 if( MacCommandsBufferIndex < bufLen )
dudmuck 0:8f0d0ae0a077 1669 {
dudmuck 0:8f0d0ae0a077 1670 MacCommandsBuffer[MacCommandsBufferIndex++] = cmd;
dudmuck 0:8f0d0ae0a077 1671 // No payload for this answer
dudmuck 0:8f0d0ae0a077 1672 status = LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1673 }
dudmuck 0:8f0d0ae0a077 1674 break;
dudmuck 0:8f0d0ae0a077 1675 default:
dudmuck 0:8f0d0ae0a077 1676 return LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck 0:8f0d0ae0a077 1677 }
dudmuck 0:8f0d0ae0a077 1678 if( status == LORAMAC_STATUS_OK )
dudmuck 0:8f0d0ae0a077 1679 {
dudmuck 0:8f0d0ae0a077 1680 MacCommandsInNextTx = true;
dudmuck 0:8f0d0ae0a077 1681 }
dudmuck 0:8f0d0ae0a077 1682 return status;
dudmuck 0:8f0d0ae0a077 1683 }
dudmuck 0:8f0d0ae0a077 1684
dudmuck 0:8f0d0ae0a077 1685 static uint8_t ParseMacCommandsToRepeat( uint8_t* cmdBufIn, uint8_t length, uint8_t* cmdBufOut )
dudmuck 0:8f0d0ae0a077 1686 {
dudmuck 0:8f0d0ae0a077 1687 uint8_t i = 0;
dudmuck 0:8f0d0ae0a077 1688 uint8_t cmdCount = 0;
dudmuck 0:8f0d0ae0a077 1689
dudmuck 0:8f0d0ae0a077 1690 if( ( cmdBufIn == NULL ) || ( cmdBufOut == NULL ) )
dudmuck 0:8f0d0ae0a077 1691 {
dudmuck 0:8f0d0ae0a077 1692 return 0;
dudmuck 0:8f0d0ae0a077 1693 }
dudmuck 0:8f0d0ae0a077 1694
dudmuck 0:8f0d0ae0a077 1695 for( i = 0; i < length; i++ )
dudmuck 0:8f0d0ae0a077 1696 {
dudmuck 0:8f0d0ae0a077 1697 switch( cmdBufIn[i] )
dudmuck 0:8f0d0ae0a077 1698 {
dudmuck 0:8f0d0ae0a077 1699 // STICKY
dudmuck 0:8f0d0ae0a077 1700 case MOTE_MAC_RX_PARAM_SETUP_ANS:
dudmuck 0:8f0d0ae0a077 1701 {
dudmuck 0:8f0d0ae0a077 1702 cmdBufOut[cmdCount++] = cmdBufIn[i++];
dudmuck 0:8f0d0ae0a077 1703 cmdBufOut[cmdCount++] = cmdBufIn[i];
dudmuck 0:8f0d0ae0a077 1704 break;
dudmuck 0:8f0d0ae0a077 1705 }
dudmuck 0:8f0d0ae0a077 1706 case MOTE_MAC_RX_TIMING_SETUP_ANS:
dudmuck 0:8f0d0ae0a077 1707 {
dudmuck 0:8f0d0ae0a077 1708 cmdBufOut[cmdCount++] = cmdBufIn[i];
dudmuck 0:8f0d0ae0a077 1709 break;
dudmuck 0:8f0d0ae0a077 1710 }
dudmuck 0:8f0d0ae0a077 1711 // NON-STICKY
dudmuck 0:8f0d0ae0a077 1712 case MOTE_MAC_DEV_STATUS_ANS:
dudmuck 0:8f0d0ae0a077 1713 { // 2 bytes payload
dudmuck 0:8f0d0ae0a077 1714 i += 2;
dudmuck 0:8f0d0ae0a077 1715 break;
dudmuck 0:8f0d0ae0a077 1716 }
dudmuck 0:8f0d0ae0a077 1717 case MOTE_MAC_LINK_CHECK_REQ:
dudmuck 0:8f0d0ae0a077 1718 { // 0 byte payload
dudmuck 0:8f0d0ae0a077 1719 break;
dudmuck 0:8f0d0ae0a077 1720 }
dudmuck 0:8f0d0ae0a077 1721 default:
dudmuck 0:8f0d0ae0a077 1722 break;
dudmuck 0:8f0d0ae0a077 1723 }
dudmuck 0:8f0d0ae0a077 1724 }
dudmuck 0:8f0d0ae0a077 1725
dudmuck 0:8f0d0ae0a077 1726 return cmdCount;
dudmuck 0:8f0d0ae0a077 1727 }
dudmuck 0:8f0d0ae0a077 1728
dudmuck 0:8f0d0ae0a077 1729 static void ProcessMacCommands( uint8_t *payload, uint8_t macIndex, uint8_t commandsSize, uint8_t snr )
dudmuck 0:8f0d0ae0a077 1730 {
dudmuck 0:8f0d0ae0a077 1731 while( macIndex < commandsSize )
dudmuck 0:8f0d0ae0a077 1732 {
dudmuck 0:8f0d0ae0a077 1733 // Decode Frame MAC commands
dudmuck 0:8f0d0ae0a077 1734 switch( payload[macIndex++] )
dudmuck 0:8f0d0ae0a077 1735 {
dudmuck 0:8f0d0ae0a077 1736 case SRV_MAC_LINK_CHECK_ANS:
dudmuck 0:8f0d0ae0a077 1737 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1738 MlmeConfirm.DemodMargin = payload[macIndex++];
dudmuck 0:8f0d0ae0a077 1739 MlmeConfirm.NbGateways = payload[macIndex++];
dudmuck 0:8f0d0ae0a077 1740 break;
dudmuck 0:8f0d0ae0a077 1741 case SRV_MAC_DEV_STATUS_REQ:
dudmuck 0:8f0d0ae0a077 1742 {
dudmuck 0:8f0d0ae0a077 1743 uint8_t batteryLevel = BAT_LEVEL_NO_MEASURE;
dudmuck 0:8f0d0ae0a077 1744 if( ( LoRaMacCallbacks != NULL ) && ( LoRaMacCallbacks->GetBatteryLevel != NULL ) )
dudmuck 0:8f0d0ae0a077 1745 {
dudmuck 0:8f0d0ae0a077 1746 batteryLevel = LoRaMacCallbacks->GetBatteryLevel( );
dudmuck 0:8f0d0ae0a077 1747 }
dudmuck 0:8f0d0ae0a077 1748 AddMacCommand( MOTE_MAC_DEV_STATUS_ANS, batteryLevel, snr );
dudmuck 0:8f0d0ae0a077 1749 break;
dudmuck 0:8f0d0ae0a077 1750 }
dudmuck 0:8f0d0ae0a077 1751 case SRV_MAC_RX_TIMING_SETUP_REQ:
dudmuck 0:8f0d0ae0a077 1752 {
dudmuck 0:8f0d0ae0a077 1753 uint8_t delay = payload[macIndex++] & 0x0F;
dudmuck 0:8f0d0ae0a077 1754
dudmuck 0:8f0d0ae0a077 1755 if( delay == 0 )
dudmuck 0:8f0d0ae0a077 1756 {
dudmuck 0:8f0d0ae0a077 1757 delay++;
dudmuck 0:8f0d0ae0a077 1758 }
dudmuck 0:8f0d0ae0a077 1759 LoRaMacParams.ReceiveDelay_us = delay * 1e6;
dudmuck 0:8f0d0ae0a077 1760 AddMacCommand( MOTE_MAC_RX_TIMING_SETUP_ANS, 0, 0 );
dudmuck 0:8f0d0ae0a077 1761 }
dudmuck 0:8f0d0ae0a077 1762 break;
dudmuck 0:8f0d0ae0a077 1763 default:
dudmuck 0:8f0d0ae0a077 1764 // Unknown command. ABORT MAC commands processing
dudmuck 0:8f0d0ae0a077 1765 return;
dudmuck 0:8f0d0ae0a077 1766 }
dudmuck 0:8f0d0ae0a077 1767 }
dudmuck 0:8f0d0ae0a077 1768 }
dudmuck 0:8f0d0ae0a077 1769
dudmuck 0:8f0d0ae0a077 1770 LoRaMacStatus_t Send( LoRaMacHeader_t *macHdr, uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
dudmuck 0:8f0d0ae0a077 1771 {
dudmuck 0:8f0d0ae0a077 1772 LoRaMacFrameCtrl_t fCtrl;
dudmuck 0:8f0d0ae0a077 1773 LoRaMacStatus_t status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 1774
dudmuck 0:8f0d0ae0a077 1775 fCtrl.Value = 0;
dudmuck 0:8f0d0ae0a077 1776 fCtrl.Bits.FOptsLen = 0;
dudmuck 0:8f0d0ae0a077 1777 fCtrl.Bits.FPending = 0;
dudmuck 0:8f0d0ae0a077 1778 fCtrl.Bits.Ack = false;
dudmuck 0:8f0d0ae0a077 1779 fCtrl.Bits.AdrAckReq = false;
dudmuck 0:8f0d0ae0a077 1780 fCtrl.Bits.Adr = false;
dudmuck 0:8f0d0ae0a077 1781
dudmuck 0:8f0d0ae0a077 1782 // Prepare the frame
dudmuck 0:8f0d0ae0a077 1783 status = PrepareFrame( macHdr, &fCtrl, fPort, fBuffer, fBufferSize );
dudmuck 0:8f0d0ae0a077 1784
dudmuck 0:8f0d0ae0a077 1785 // Validate status
dudmuck 0:8f0d0ae0a077 1786 if( status != LORAMAC_STATUS_OK )
dudmuck 0:8f0d0ae0a077 1787 {
dudmuck 0:8f0d0ae0a077 1788 return status;
dudmuck 0:8f0d0ae0a077 1789 }
dudmuck 0:8f0d0ae0a077 1790
dudmuck 0:8f0d0ae0a077 1791 // Reset confirm parameters
dudmuck 0:8f0d0ae0a077 1792 McpsConfirm.AckReceived = false;
dudmuck 0:8f0d0ae0a077 1793 McpsConfirm.UpLinkCounter = UpLinkCounter;
dudmuck 0:8f0d0ae0a077 1794
dudmuck 25:fed9d5b77183 1795 ScheduleTx();
dudmuck 25:fed9d5b77183 1796
dudmuck 25:fed9d5b77183 1797 return LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1798 }
dudmuck 0:8f0d0ae0a077 1799
dudmuck 0:8f0d0ae0a077 1800
dudmuck 0:8f0d0ae0a077 1801 static void ResetMacParameters( void )
dudmuck 0:8f0d0ae0a077 1802 {
Wayne Roberts 29:ad409c68c0a6 1803 LoRaMacFlags.Bits.IsLoRaMacNetworkJoined = false;
dudmuck 0:8f0d0ae0a077 1804
dudmuck 0:8f0d0ae0a077 1805 // Counters
dudmuck 0:8f0d0ae0a077 1806 UpLinkCounter = 0;
dudmuck 0:8f0d0ae0a077 1807 DownLinkCounter = 0;
dudmuck 0:8f0d0ae0a077 1808
dudmuck 0:8f0d0ae0a077 1809 ChannelsNbRepCounter = 0;
dudmuck 0:8f0d0ae0a077 1810
dudmuck 0:8f0d0ae0a077 1811 MacCommandsBufferIndex = 0;
dudmuck 0:8f0d0ae0a077 1812 MacCommandsBufferToRepeatIndex = 0;
dudmuck 0:8f0d0ae0a077 1813
dudmuck 0:8f0d0ae0a077 1814 IsRxWindowsEnabled = true;
dudmuck 0:8f0d0ae0a077 1815
dudmuck 0:8f0d0ae0a077 1816 LoRaMacParams.ChannelsTxPower = LoRaMacParamsDefaults.ChannelsTxPower;
dudmuck 0:8f0d0ae0a077 1817 LoRaMacParams.ChannelsDatarate_fixed = LoRaMacParamsDefaults.ChannelsDatarate_fixed;
dudmuck 0:8f0d0ae0a077 1818
dudmuck 0:8f0d0ae0a077 1819 LoRaMacParams.Rx1DrOffset = LoRaMacParamsDefaults.Rx1DrOffset;
dudmuck 0:8f0d0ae0a077 1820
Wayne Roberts 29:ad409c68c0a6 1821 LoRaMacFlags.Bits.NodeAckRequested = false;
Wayne Roberts 29:ad409c68c0a6 1822 LoRaMacFlags.Bits.SrvAckRequested = false;
dudmuck 0:8f0d0ae0a077 1823 MacCommandsInNextTx = false;
dudmuck 0:8f0d0ae0a077 1824
dudmuck 0:8f0d0ae0a077 1825 // Reset Multicast downlink counters
dudmuck 0:8f0d0ae0a077 1826 MulticastParams_t *cur = MulticastChannels;
dudmuck 0:8f0d0ae0a077 1827 while( cur != NULL )
dudmuck 0:8f0d0ae0a077 1828 {
dudmuck 0:8f0d0ae0a077 1829 cur->DownLinkCounter = 0;
dudmuck 0:8f0d0ae0a077 1830 cur = cur->Next;
dudmuck 0:8f0d0ae0a077 1831 }
dudmuck 0:8f0d0ae0a077 1832
dudmuck 0:8f0d0ae0a077 1833 }
dudmuck 0:8f0d0ae0a077 1834
dudmuck 0:8f0d0ae0a077 1835 LoRaMacStatus_t PrepareFrame( LoRaMacHeader_t *macHdr, LoRaMacFrameCtrl_t *fCtrl, uint8_t fPort, void *fBuffer, uint16_t fBufferSize )
dudmuck 0:8f0d0ae0a077 1836 {
dudmuck 0:8f0d0ae0a077 1837 uint16_t i;
dudmuck 0:8f0d0ae0a077 1838 uint32_t mic = 0;
dudmuck 0:8f0d0ae0a077 1839 const void* payload = fBuffer;
dudmuck 0:8f0d0ae0a077 1840 uint8_t framePort = fPort;
Wayne Roberts 29:ad409c68c0a6 1841 uint8_t LoRaMacTxPayloadLen = 0;
Wayne Roberts 29:ad409c68c0a6 1842
Wayne Roberts 29:ad409c68c0a6 1843 LoRaMacFlags.Bits.NodeAckRequested = false;
Wayne Roberts 29:ad409c68c0a6 1844 tx_buf_len = 0;
dudmuck 0:8f0d0ae0a077 1845
dudmuck 0:8f0d0ae0a077 1846 if( fBuffer == NULL )
dudmuck 0:8f0d0ae0a077 1847 {
dudmuck 0:8f0d0ae0a077 1848 fBufferSize = 0;
dudmuck 0:8f0d0ae0a077 1849 }
dudmuck 0:8f0d0ae0a077 1850
dudmuck 0:8f0d0ae0a077 1851 LoRaMacTxPayloadLen = fBufferSize;
dudmuck 0:8f0d0ae0a077 1852
Wayne Roberts 29:ad409c68c0a6 1853 Radio::radio.tx_buf[tx_buf_len++] = macHdr->Value;
dudmuck 0:8f0d0ae0a077 1854
dudmuck 0:8f0d0ae0a077 1855 switch( macHdr->Bits.MType )
dudmuck 0:8f0d0ae0a077 1856 {
dudmuck 0:8f0d0ae0a077 1857 case FRAME_TYPE_JOIN_REQ:
Wayne Roberts 29:ad409c68c0a6 1858 memcpyr( Radio::radio.tx_buf + tx_buf_len, LoRaMacAppEui, 8 );
Wayne Roberts 29:ad409c68c0a6 1859 tx_buf_len += 8;
Wayne Roberts 29:ad409c68c0a6 1860 memcpyr( Radio::radio.tx_buf + tx_buf_len, LoRaMacDevEui, 8 );
Wayne Roberts 29:ad409c68c0a6 1861 tx_buf_len += 8;
Wayne Roberts 29:ad409c68c0a6 1862
Wayne Roberts 29:ad409c68c0a6 1863 LoRaMacDevNonce = Radio::Random( );
Wayne Roberts 29:ad409c68c0a6 1864
Wayne Roberts 29:ad409c68c0a6 1865 Radio::radio.tx_buf[tx_buf_len++] = LoRaMacDevNonce & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1866 Radio::radio.tx_buf[tx_buf_len++] = ( LoRaMacDevNonce >> 8 ) & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1867
Wayne Roberts 29:ad409c68c0a6 1868 LoRaMacJoinComputeMic( Radio::radio.tx_buf, tx_buf_len & 0xFF, LoRaMacAppKey, &mic );
Wayne Roberts 29:ad409c68c0a6 1869
Wayne Roberts 29:ad409c68c0a6 1870 Radio::radio.tx_buf[tx_buf_len++] = mic & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1871 Radio::radio.tx_buf[tx_buf_len++] = ( mic >> 8 ) & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1872 Radio::radio.tx_buf[tx_buf_len++] = ( mic >> 16 ) & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1873 Radio::radio.tx_buf[tx_buf_len++] = ( mic >> 24 ) & 0xFF;
dudmuck 0:8f0d0ae0a077 1874
dudmuck 0:8f0d0ae0a077 1875 break;
dudmuck 0:8f0d0ae0a077 1876 case FRAME_TYPE_DATA_CONFIRMED_UP:
Wayne Roberts 29:ad409c68c0a6 1877 LoRaMacFlags.Bits.NodeAckRequested = true;
dudmuck 0:8f0d0ae0a077 1878 //Intentional fallthrough
dudmuck 0:8f0d0ae0a077 1879 case FRAME_TYPE_DATA_UNCONFIRMED_UP:
Wayne Roberts 29:ad409c68c0a6 1880 if (!LoRaMacFlags.Bits.IsLoRaMacNetworkJoined)
dudmuck 0:8f0d0ae0a077 1881 {
dudmuck 0:8f0d0ae0a077 1882 return LORAMAC_STATUS_NO_NETWORK_JOINED; // No network has been joined yet
dudmuck 0:8f0d0ae0a077 1883 }
dudmuck 0:8f0d0ae0a077 1884
dudmuck 0:8f0d0ae0a077 1885 fCtrl->Bits.AdrAckReq = 0;
dudmuck 0:8f0d0ae0a077 1886
Wayne Roberts 29:ad409c68c0a6 1887 if( LoRaMacFlags.Bits.SrvAckRequested == true )
dudmuck 0:8f0d0ae0a077 1888 {
Wayne Roberts 29:ad409c68c0a6 1889 LoRaMacFlags.Bits.SrvAckRequested = false;
dudmuck 0:8f0d0ae0a077 1890 fCtrl->Bits.Ack = 1;
dudmuck 0:8f0d0ae0a077 1891 }
dudmuck 0:8f0d0ae0a077 1892
Wayne Roberts 29:ad409c68c0a6 1893 Radio::radio.tx_buf[tx_buf_len++] = ( LoRaMacDevAddr ) & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1894 Radio::radio.tx_buf[tx_buf_len++] = ( LoRaMacDevAddr >> 8 ) & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1895 Radio::radio.tx_buf[tx_buf_len++] = ( LoRaMacDevAddr >> 16 ) & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1896 Radio::radio.tx_buf[tx_buf_len++] = ( LoRaMacDevAddr >> 24 ) & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1897
Wayne Roberts 29:ad409c68c0a6 1898 Radio::radio.tx_buf[tx_buf_len++] = fCtrl->Value;
Wayne Roberts 29:ad409c68c0a6 1899
Wayne Roberts 29:ad409c68c0a6 1900 Radio::radio.tx_buf[tx_buf_len++] = UpLinkCounter & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1901 Radio::radio.tx_buf[tx_buf_len++] = ( UpLinkCounter >> 8 ) & 0xFF;
dudmuck 0:8f0d0ae0a077 1902
dudmuck 0:8f0d0ae0a077 1903 // Copy the MAC commands which must be re-send into the MAC command buffer
dudmuck 0:8f0d0ae0a077 1904 memcpy1( &MacCommandsBuffer[MacCommandsBufferIndex], MacCommandsBufferToRepeat, MacCommandsBufferToRepeatIndex );
dudmuck 0:8f0d0ae0a077 1905 MacCommandsBufferIndex += MacCommandsBufferToRepeatIndex;
dudmuck 0:8f0d0ae0a077 1906
dudmuck 0:8f0d0ae0a077 1907 if( ( payload != NULL ) && ( LoRaMacTxPayloadLen > 0 ) )
dudmuck 0:8f0d0ae0a077 1908 {
dudmuck 0:8f0d0ae0a077 1909 if( ( MacCommandsBufferIndex <= LORA_MAC_COMMAND_MAX_LENGTH ) && ( MacCommandsInNextTx == true ) )
dudmuck 0:8f0d0ae0a077 1910 {
dudmuck 0:8f0d0ae0a077 1911 fCtrl->Bits.FOptsLen += MacCommandsBufferIndex;
dudmuck 0:8f0d0ae0a077 1912
dudmuck 0:8f0d0ae0a077 1913 // Update FCtrl field with new value of OptionsLength
Wayne Roberts 29:ad409c68c0a6 1914 Radio::radio.tx_buf[0x05] = fCtrl->Value;
dudmuck 0:8f0d0ae0a077 1915 for( i = 0; i < MacCommandsBufferIndex; i++ )
dudmuck 0:8f0d0ae0a077 1916 {
Wayne Roberts 29:ad409c68c0a6 1917 Radio::radio.tx_buf[tx_buf_len++] = MacCommandsBuffer[i];
dudmuck 0:8f0d0ae0a077 1918 }
dudmuck 0:8f0d0ae0a077 1919 }
dudmuck 0:8f0d0ae0a077 1920 }
dudmuck 0:8f0d0ae0a077 1921 else
dudmuck 0:8f0d0ae0a077 1922 {
dudmuck 0:8f0d0ae0a077 1923 if( ( MacCommandsBufferIndex > 0 ) && ( MacCommandsInNextTx ) )
dudmuck 0:8f0d0ae0a077 1924 {
dudmuck 0:8f0d0ae0a077 1925 LoRaMacTxPayloadLen = MacCommandsBufferIndex;
dudmuck 0:8f0d0ae0a077 1926 payload = MacCommandsBuffer;
dudmuck 0:8f0d0ae0a077 1927 framePort = 0;
dudmuck 0:8f0d0ae0a077 1928 }
dudmuck 0:8f0d0ae0a077 1929 }
dudmuck 0:8f0d0ae0a077 1930 MacCommandsInNextTx = false;
dudmuck 0:8f0d0ae0a077 1931 // Store MAC commands which must be re-send in case the device does not receive a downlink anymore
dudmuck 0:8f0d0ae0a077 1932 MacCommandsBufferToRepeatIndex = ParseMacCommandsToRepeat( MacCommandsBuffer, MacCommandsBufferIndex, MacCommandsBufferToRepeat );
dudmuck 0:8f0d0ae0a077 1933 if( MacCommandsBufferToRepeatIndex > 0 )
dudmuck 0:8f0d0ae0a077 1934 {
dudmuck 0:8f0d0ae0a077 1935 MacCommandsInNextTx = true;
dudmuck 0:8f0d0ae0a077 1936 }
dudmuck 0:8f0d0ae0a077 1937
dudmuck 0:8f0d0ae0a077 1938 if( ( payload != NULL ) && ( LoRaMacTxPayloadLen > 0 ) )
dudmuck 0:8f0d0ae0a077 1939 {
Wayne Roberts 29:ad409c68c0a6 1940 Radio::radio.tx_buf[tx_buf_len++] = framePort;
dudmuck 0:8f0d0ae0a077 1941
dudmuck 0:8f0d0ae0a077 1942 if( framePort == 0 )
dudmuck 0:8f0d0ae0a077 1943 {
Wayne Roberts 29:ad409c68c0a6 1944 LoRaMacPayloadEncrypt( (uint8_t* ) payload, LoRaMacTxPayloadLen, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, &Radio::radio.tx_buf[tx_buf_len] );
dudmuck 0:8f0d0ae0a077 1945 }
dudmuck 0:8f0d0ae0a077 1946 else
dudmuck 0:8f0d0ae0a077 1947 {
Wayne Roberts 29:ad409c68c0a6 1948 LoRaMacPayloadEncrypt( (uint8_t* ) payload, LoRaMacTxPayloadLen, LoRaMacAppSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, &Radio::radio.tx_buf[tx_buf_len] );
dudmuck 0:8f0d0ae0a077 1949 }
dudmuck 0:8f0d0ae0a077 1950 }
Wayne Roberts 29:ad409c68c0a6 1951 tx_buf_len = tx_buf_len + LoRaMacTxPayloadLen;
Wayne Roberts 29:ad409c68c0a6 1952
Wayne Roberts 29:ad409c68c0a6 1953 LoRaMacComputeMic( Radio::radio.tx_buf, tx_buf_len, LoRaMacNwkSKey, LoRaMacDevAddr, UP_LINK, UpLinkCounter, &mic );
Wayne Roberts 29:ad409c68c0a6 1954
Wayne Roberts 29:ad409c68c0a6 1955 Radio::radio.tx_buf[tx_buf_len + 0] = mic & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1956 Radio::radio.tx_buf[tx_buf_len + 1] = ( mic >> 8 ) & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1957 Radio::radio.tx_buf[tx_buf_len + 2] = ( mic >> 16 ) & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1958 Radio::radio.tx_buf[tx_buf_len + 3] = ( mic >> 24 ) & 0xFF;
Wayne Roberts 29:ad409c68c0a6 1959
Wayne Roberts 29:ad409c68c0a6 1960 tx_buf_len += LORAMAC_MFR_LEN;
dudmuck 0:8f0d0ae0a077 1961
dudmuck 0:8f0d0ae0a077 1962 break;
dudmuck 0:8f0d0ae0a077 1963 case FRAME_TYPE_PROPRIETARY:
dudmuck 0:8f0d0ae0a077 1964 if( ( fBuffer != NULL ) && ( LoRaMacTxPayloadLen > 0 ) )
dudmuck 0:8f0d0ae0a077 1965 {
Wayne Roberts 29:ad409c68c0a6 1966 memcpy1( Radio::radio.tx_buf + tx_buf_len, ( uint8_t* ) fBuffer, LoRaMacTxPayloadLen );
Wayne Roberts 29:ad409c68c0a6 1967 tx_buf_len = tx_buf_len + LoRaMacTxPayloadLen;
dudmuck 0:8f0d0ae0a077 1968 }
dudmuck 0:8f0d0ae0a077 1969 break;
dudmuck 0:8f0d0ae0a077 1970 default:
dudmuck 0:8f0d0ae0a077 1971 return LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck 0:8f0d0ae0a077 1972 }
dudmuck 0:8f0d0ae0a077 1973
dudmuck 0:8f0d0ae0a077 1974 return LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1975 }
dudmuck 0:8f0d0ae0a077 1976
dudmuck 0:8f0d0ae0a077 1977
dudmuck 0:8f0d0ae0a077 1978 LoRaMacStatus_t SetTxContinuousWave( uint16_t timeout )
dudmuck 0:8f0d0ae0a077 1979 {
dudmuck 0:8f0d0ae0a077 1980 int8_t txPowerIndex = 0;
dudmuck 0:8f0d0ae0a077 1981 int8_t txPower = 0;
dudmuck 0:8f0d0ae0a077 1982
dudmuck 0:8f0d0ae0a077 1983 txPowerIndex = LoRaMacParams.ChannelsTxPower;
dudmuck 0:8f0d0ae0a077 1984 txPower = TxPowers[txPowerIndex];
Wayne Roberts 29:ad409c68c0a6 1985 Radio::SetTxContinuousWave( Channels[Channel].Frequency, txPower, timeout );
dudmuck 0:8f0d0ae0a077 1986
dudmuck 0:8f0d0ae0a077 1987 return LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1988 }
dudmuck 0:8f0d0ae0a077 1989
dudmuck 0:8f0d0ae0a077 1990 LoRaMacStatus_t SetTxContinuousWave1( uint16_t timeout, uint32_t frequency, uint8_t power )
dudmuck 0:8f0d0ae0a077 1991 {
Wayne Roberts 29:ad409c68c0a6 1992 Radio::SetTxContinuousWave( frequency, power, timeout );
dudmuck 0:8f0d0ae0a077 1993
dudmuck 0:8f0d0ae0a077 1994 return LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 1995 }
dudmuck 0:8f0d0ae0a077 1996
dudmuck 0:8f0d0ae0a077 1997 void seconds()
dudmuck 0:8f0d0ae0a077 1998 {
Wayne Roberts 29:ad409c68c0a6 1999 mac_printf("second\r\n");
Wayne Roberts 29:ad409c68c0a6 2000 }
Wayne Roberts 29:ad409c68c0a6 2001
Wayne Roberts 29:ad409c68c0a6 2002 void on_dio0_top_half(us_timestamp_t dio0_at)
Wayne Roberts 29:ad409c68c0a6 2003 {
Wayne Roberts 29:ad409c68c0a6 2004 mac_printf("dio0th\r\n");
dudmuck 0:8f0d0ae0a077 2005 }
dudmuck 0:8f0d0ae0a077 2006
Wayne Roberts 29:ad409c68c0a6 2007 unsigned get_symbol_period_us(uint8_t sf)
Wayne Roberts 29:ad409c68c0a6 2008 {
Wayne Roberts 29:ad409c68c0a6 2009 float bwMHz = LORA_BANDWIDTH_KHZ / 1000.0;
Wayne Roberts 29:ad409c68c0a6 2010 // return symbol period in microseconds
Wayne Roberts 29:ad409c68c0a6 2011 return (1 << sf) / bwMHz;
Wayne Roberts 29:ad409c68c0a6 2012 }
Wayne Roberts 29:ad409c68c0a6 2013
Wayne Roberts 29:ad409c68c0a6 2014 const RadioEvents_t rev = {
Wayne Roberts 29:ad409c68c0a6 2015 /* Dio0_top_half */ on_dio0_top_half,
Wayne Roberts 29:ad409c68c0a6 2016 /* TxDone_topHalf */ NULL,
Wayne Roberts 29:ad409c68c0a6 2017 /* TxDone_botHalf */ OnRadioTxDone_bh,
Wayne Roberts 29:ad409c68c0a6 2018 /* TxTimeout */ OnRadioTxTimeout,
Wayne Roberts 29:ad409c68c0a6 2019 /* RxDone */ OnRadioRxDone,
Wayne Roberts 29:ad409c68c0a6 2020 /* RxTimeout */ OnRadioRxTimeout,
Wayne Roberts 29:ad409c68c0a6 2021 /* RxError */ OnRadioRxError,
Wayne Roberts 29:ad409c68c0a6 2022 /* FhssChangeChannel */NULL,
Wayne Roberts 29:ad409c68c0a6 2023 /* CadDone */ NULL
Wayne Roberts 29:ad409c68c0a6 2024 };
Wayne Roberts 29:ad409c68c0a6 2025
dudmuck 0:8f0d0ae0a077 2026 LoRaMacStatus_t LoRaMacInitialization( LoRaMacPrimitives_t *primitives, LoRaMacCallback_t *callbacks )
dudmuck 0:8f0d0ae0a077 2027 {
dudmuck 0:8f0d0ae0a077 2028 if( primitives == NULL )
dudmuck 0:8f0d0ae0a077 2029 {
dudmuck 0:8f0d0ae0a077 2030 return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2031 }
dudmuck 0:8f0d0ae0a077 2032
dudmuck 0:8f0d0ae0a077 2033 if( ( primitives->MacMcpsConfirm == NULL ) ||
dudmuck 0:8f0d0ae0a077 2034 ( primitives->MacMcpsIndication == NULL ) ||
dudmuck 0:8f0d0ae0a077 2035 ( primitives->MacMlmeConfirm == NULL ) )
dudmuck 0:8f0d0ae0a077 2036 {
dudmuck 0:8f0d0ae0a077 2037 return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2038 }
dudmuck 0:8f0d0ae0a077 2039
dudmuck 0:8f0d0ae0a077 2040 LoRaMacPrimitives = primitives;
dudmuck 0:8f0d0ae0a077 2041 LoRaMacCallbacks = callbacks;
dudmuck 0:8f0d0ae0a077 2042
dudmuck 0:8f0d0ae0a077 2043 LoRaMacFlags.Value = 0;
dudmuck 0:8f0d0ae0a077 2044
dudmuck 0:8f0d0ae0a077 2045 JoinRequestTrials = 0;
dudmuck 0:8f0d0ae0a077 2046 MaxJoinRequestTrials = 255;
dudmuck 0:8f0d0ae0a077 2047
Wayne Roberts 29:ad409c68c0a6 2048 BeaconCtx.symbol_period_us = get_symbol_period_us(Datarates[LORAMAC_DEFAULT_DATARATE]);
dudmuck 0:8f0d0ae0a077 2049
dudmuck 0:8f0d0ae0a077 2050 // Reset to defaults
dudmuck 0:8f0d0ae0a077 2051 LoRaMacParamsDefaults.ChannelsTxPower = LORAMAC_DEFAULT_TX_POWER;
dudmuck 0:8f0d0ae0a077 2052 LoRaMacParamsDefaults.ChannelsDatarate_fixed = LORAMAC_DEFAULT_DATARATE;
dudmuck 0:8f0d0ae0a077 2053
Wayne Roberts 29:ad409c68c0a6 2054 LoRaMacParamsDefaults.SystemMaxRxError_ms = 20;
Wayne Roberts 29:ad409c68c0a6 2055 LoRaMacParamsDefaults.MinRxSymbols = (LoRaMacParamsDefaults.SystemMaxRxError_ms * 1000) / BeaconCtx.symbol_period_us;
Wayne Roberts 29:ad409c68c0a6 2056 if (LoRaMacParamsDefaults.MinRxSymbols < MIN_SYMBOL_TIMEOUT)
Wayne Roberts 29:ad409c68c0a6 2057 LoRaMacParamsDefaults.MinRxSymbols = MIN_SYMBOL_TIMEOUT;
Wayne Roberts 29:ad409c68c0a6 2058
dudmuck 0:8f0d0ae0a077 2059 LoRaMacParamsDefaults.MaxRxWindow = MAX_RX_WINDOW;
dudmuck 0:8f0d0ae0a077 2060
dudmuck 0:8f0d0ae0a077 2061 LoRaMacParamsDefaults.ReceiveDelay_us = RECEIVE_DELAY_us;
dudmuck 0:8f0d0ae0a077 2062 LoRaMacParamsDefaults.JoinAcceptDelay_us = JOIN_ACCEPT_DELAY_us;
dudmuck 0:8f0d0ae0a077 2063
dudmuck 0:8f0d0ae0a077 2064 LoRaMacParamsDefaults.ChannelsNbRep = 1;
dudmuck 0:8f0d0ae0a077 2065 LoRaMacParamsDefaults.Rx1DrOffset = 0;
dudmuck 0:8f0d0ae0a077 2066
dudmuck 0:8f0d0ae0a077 2067 for( uint8_t i = 0; i < LORA_MAX_NB_CHANNELS; i++ )
dudmuck 0:8f0d0ae0a077 2068 {
dudmuck 0:8f0d0ae0a077 2069 Channels[i].Frequency = LORAMAC_FIRST_CHANNEL + (i * LORAMAC_STEPWIDTH_CHANNEL);
dudmuck 18:9ac71c0eb70d 2070 Channels[i].DrRange.Value = (LORAMAC_MAX_DATARATE << 4) | LORAMAC_MIN_DATARATE;
dudmuck 0:8f0d0ae0a077 2071 Channels[i].Band = 0;
dudmuck 0:8f0d0ae0a077 2072 }
dudmuck 0:8f0d0ae0a077 2073
dudmuck 0:8f0d0ae0a077 2074 // Init parameters which are not set in function ResetMacParameters
Wayne Roberts 29:ad409c68c0a6 2075 LoRaMacParams.SystemMaxRxError_ms = LoRaMacParamsDefaults.SystemMaxRxError_ms;
dudmuck 0:8f0d0ae0a077 2076 LoRaMacParams.MinRxSymbols = LoRaMacParamsDefaults.MinRxSymbols;
dudmuck 0:8f0d0ae0a077 2077 LoRaMacParams.MaxRxWindow = LoRaMacParamsDefaults.MaxRxWindow;
dudmuck 0:8f0d0ae0a077 2078 LoRaMacParams.ReceiveDelay_us = LoRaMacParamsDefaults.ReceiveDelay_us;
dudmuck 0:8f0d0ae0a077 2079 LoRaMacParams.JoinAcceptDelay_us = LoRaMacParamsDefaults.JoinAcceptDelay_us;
dudmuck 0:8f0d0ae0a077 2080 LoRaMacParams.ChannelsNbRep = LoRaMacParamsDefaults.ChannelsNbRep;
dudmuck 0:8f0d0ae0a077 2081
dudmuck 0:8f0d0ae0a077 2082 ResetMacParameters( );
dudmuck 0:8f0d0ae0a077 2083
dudmuck 0:8f0d0ae0a077 2084 // Initialize Radio driver
Wayne Roberts 29:ad409c68c0a6 2085 Radio::Init(&rev);
Wayne Roberts 29:ad409c68c0a6 2086 // lpt started later. lpt will have smaller number.
Wayne Roberts 29:ad409c68c0a6 2087 lpt_offset = _rx_timeout.read_us() - Radio::lpt.read_us();
Wayne Roberts 29:ad409c68c0a6 2088 mac_printf("lpt_offset:%d\r\n", lpt_offset);
dudmuck 0:8f0d0ae0a077 2089
dudmuck 0:8f0d0ae0a077 2090 // Random seed initialization
Wayne Roberts 29:ad409c68c0a6 2091 srand1( Radio::Random( ) );
dudmuck 0:8f0d0ae0a077 2092
dudmuck 0:8f0d0ae0a077 2093 PublicNetwork = true;
Wayne Roberts 29:ad409c68c0a6 2094 Radio::SetPublicNetwork( PublicNetwork );
Wayne Roberts 29:ad409c68c0a6 2095 Radio::Sleep( );
Wayne Roberts 29:ad409c68c0a6 2096
Wayne Roberts 29:ad409c68c0a6 2097 RxWindowsParam = ComputeRxWindowParameters(LORAMAC_DEFAULT_DATARATE, LoRaMacParams.SystemMaxRxError_ms);
dudmuck 0:8f0d0ae0a077 2098
dudmuck 0:8f0d0ae0a077 2099 return LORAMAC_STATUS_OK;
Wayne Roberts 29:ad409c68c0a6 2100 } // ..LoRaMacInitialization()
dudmuck 0:8f0d0ae0a077 2101
dudmuck 0:8f0d0ae0a077 2102 LoRaMacStatus_t LoRaMacQueryTxPossible( uint8_t size, LoRaMacTxInfo_t* txInfo )
dudmuck 0:8f0d0ae0a077 2103 {
dudmuck 0:8f0d0ae0a077 2104 uint8_t fOptLen = MacCommandsBufferIndex + MacCommandsBufferToRepeatIndex;
dudmuck 0:8f0d0ae0a077 2105
dudmuck 0:8f0d0ae0a077 2106 if( txInfo == NULL )
dudmuck 0:8f0d0ae0a077 2107 {
dudmuck 0:8f0d0ae0a077 2108 return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2109 }
dudmuck 0:8f0d0ae0a077 2110
Wayne Roberts 29:ad409c68c0a6 2111 txInfo->CurrentPayloadSize = LORAMAC_PHY_MAXPAYLOAD;
dudmuck 0:8f0d0ae0a077 2112
dudmuck 0:8f0d0ae0a077 2113 if( txInfo->CurrentPayloadSize >= fOptLen )
dudmuck 0:8f0d0ae0a077 2114 {
dudmuck 0:8f0d0ae0a077 2115 txInfo->MaxPossiblePayload = txInfo->CurrentPayloadSize - fOptLen;
dudmuck 0:8f0d0ae0a077 2116 }
dudmuck 0:8f0d0ae0a077 2117 else
dudmuck 0:8f0d0ae0a077 2118 {
dudmuck 0:8f0d0ae0a077 2119 return LORAMAC_STATUS_MAC_CMD_LENGTH_ERROR;
dudmuck 0:8f0d0ae0a077 2120 }
dudmuck 0:8f0d0ae0a077 2121
dudmuck 0:8f0d0ae0a077 2122 return LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 2123 }
dudmuck 0:8f0d0ae0a077 2124
dudmuck 0:8f0d0ae0a077 2125 LoRaMacStatus_t LoRaMacMibGetRequestConfirm( MibRequestConfirm_t *mibGet )
dudmuck 0:8f0d0ae0a077 2126 {
dudmuck 0:8f0d0ae0a077 2127 LoRaMacStatus_t status = LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 2128
dudmuck 0:8f0d0ae0a077 2129 if( mibGet == NULL )
dudmuck 0:8f0d0ae0a077 2130 {
dudmuck 0:8f0d0ae0a077 2131 return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2132 }
dudmuck 0:8f0d0ae0a077 2133
dudmuck 0:8f0d0ae0a077 2134 switch( mibGet->Type )
dudmuck 0:8f0d0ae0a077 2135 {
dudmuck 0:8f0d0ae0a077 2136 case MIB_NETWORK_JOINED:
dudmuck 0:8f0d0ae0a077 2137 {
Wayne Roberts 29:ad409c68c0a6 2138 mibGet->Param.IsNetworkJoined = LoRaMacFlags.Bits.IsLoRaMacNetworkJoined;
dudmuck 0:8f0d0ae0a077 2139 break;
dudmuck 0:8f0d0ae0a077 2140 }
dudmuck 0:8f0d0ae0a077 2141 case MIB_NET_ID:
dudmuck 0:8f0d0ae0a077 2142 {
dudmuck 0:8f0d0ae0a077 2143 mibGet->Param.NetID = LoRaMacNetID;
dudmuck 0:8f0d0ae0a077 2144 break;
dudmuck 0:8f0d0ae0a077 2145 }
dudmuck 0:8f0d0ae0a077 2146 case MIB_DEV_ADDR:
dudmuck 0:8f0d0ae0a077 2147 {
dudmuck 0:8f0d0ae0a077 2148 mibGet->Param.DevAddr = LoRaMacDevAddr;
dudmuck 0:8f0d0ae0a077 2149 break;
dudmuck 0:8f0d0ae0a077 2150 }
dudmuck 0:8f0d0ae0a077 2151 case MIB_NWK_SKEY:
dudmuck 0:8f0d0ae0a077 2152 {
dudmuck 0:8f0d0ae0a077 2153 mibGet->Param.NwkSKey = LoRaMacNwkSKey;
dudmuck 0:8f0d0ae0a077 2154 break;
dudmuck 0:8f0d0ae0a077 2155 }
dudmuck 0:8f0d0ae0a077 2156 case MIB_APP_SKEY:
dudmuck 0:8f0d0ae0a077 2157 {
dudmuck 0:8f0d0ae0a077 2158 mibGet->Param.AppSKey = LoRaMacAppSKey;
dudmuck 0:8f0d0ae0a077 2159 break;
dudmuck 0:8f0d0ae0a077 2160 }
dudmuck 0:8f0d0ae0a077 2161 case MIB_PUBLIC_NETWORK:
dudmuck 0:8f0d0ae0a077 2162 {
dudmuck 0:8f0d0ae0a077 2163 mibGet->Param.EnablePublicNetwork = PublicNetwork;
dudmuck 0:8f0d0ae0a077 2164 break;
dudmuck 0:8f0d0ae0a077 2165 }
dudmuck 0:8f0d0ae0a077 2166 case MIB_CHANNELS_NB_REP:
dudmuck 0:8f0d0ae0a077 2167 {
dudmuck 0:8f0d0ae0a077 2168 mibGet->Param.ChannelNbRep = LoRaMacParams.ChannelsNbRep;
dudmuck 0:8f0d0ae0a077 2169 break;
dudmuck 0:8f0d0ae0a077 2170 }
dudmuck 0:8f0d0ae0a077 2171 case MIB_MAX_RX_WINDOW_DURATION:
dudmuck 0:8f0d0ae0a077 2172 {
dudmuck 0:8f0d0ae0a077 2173 mibGet->Param.MaxRxWindow = LoRaMacParams.MaxRxWindow;
dudmuck 0:8f0d0ae0a077 2174 break;
dudmuck 0:8f0d0ae0a077 2175 }
dudmuck 0:8f0d0ae0a077 2176 case MIB_CHANNELS_DEFAULT_TX_POWER:
dudmuck 0:8f0d0ae0a077 2177 {
dudmuck 0:8f0d0ae0a077 2178 mibGet->Param.ChannelsDefaultTxPower = LoRaMacParamsDefaults.ChannelsTxPower;
dudmuck 0:8f0d0ae0a077 2179 break;
dudmuck 0:8f0d0ae0a077 2180 }
dudmuck 0:8f0d0ae0a077 2181 case MIB_CHANNELS_TX_POWER:
dudmuck 0:8f0d0ae0a077 2182 {
dudmuck 0:8f0d0ae0a077 2183 mibGet->Param.ChannelsTxPower = LoRaMacParams.ChannelsTxPower;
dudmuck 0:8f0d0ae0a077 2184 break;
dudmuck 0:8f0d0ae0a077 2185 }
dudmuck 0:8f0d0ae0a077 2186 case MIB_UPLINK_COUNTER:
dudmuck 0:8f0d0ae0a077 2187 {
dudmuck 0:8f0d0ae0a077 2188 mibGet->Param.UpLinkCounter = UpLinkCounter;
dudmuck 0:8f0d0ae0a077 2189 break;
dudmuck 0:8f0d0ae0a077 2190 }
dudmuck 0:8f0d0ae0a077 2191 case MIB_DOWNLINK_COUNTER:
dudmuck 0:8f0d0ae0a077 2192 {
dudmuck 0:8f0d0ae0a077 2193 mibGet->Param.DownLinkCounter = DownLinkCounter;
dudmuck 0:8f0d0ae0a077 2194 break;
dudmuck 0:8f0d0ae0a077 2195 }
dudmuck 0:8f0d0ae0a077 2196 case MIB_MULTICAST_CHANNEL:
dudmuck 0:8f0d0ae0a077 2197 {
dudmuck 0:8f0d0ae0a077 2198 mibGet->Param.MulticastList = MulticastChannels;
dudmuck 0:8f0d0ae0a077 2199 break;
dudmuck 0:8f0d0ae0a077 2200 }
dudmuck 0:8f0d0ae0a077 2201 case MIB_SYSTEM_MAX_RX_ERROR:
dudmuck 0:8f0d0ae0a077 2202 {
Wayne Roberts 29:ad409c68c0a6 2203 mibGet->Param.SystemMaxRxError_ms = LoRaMacParams.SystemMaxRxError_ms;
dudmuck 0:8f0d0ae0a077 2204 break;
dudmuck 0:8f0d0ae0a077 2205 }
dudmuck 0:8f0d0ae0a077 2206 case MIB_MIN_RX_SYMBOLS:
dudmuck 0:8f0d0ae0a077 2207 {
dudmuck 0:8f0d0ae0a077 2208 mibGet->Param.MinRxSymbols = LoRaMacParams.MinRxSymbols;
dudmuck 0:8f0d0ae0a077 2209 break;
dudmuck 0:8f0d0ae0a077 2210 }
dudmuck 0:8f0d0ae0a077 2211 default:
dudmuck 0:8f0d0ae0a077 2212 status = LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck 0:8f0d0ae0a077 2213 break;
dudmuck 0:8f0d0ae0a077 2214 }
dudmuck 0:8f0d0ae0a077 2215
dudmuck 0:8f0d0ae0a077 2216 return status;
dudmuck 0:8f0d0ae0a077 2217 }
dudmuck 0:8f0d0ae0a077 2218
dudmuck 0:8f0d0ae0a077 2219 LoRaMacStatus_t LoRaMacMibSetRequestConfirm( MibRequestConfirm_t *mibSet )
dudmuck 0:8f0d0ae0a077 2220 {
dudmuck 0:8f0d0ae0a077 2221 LoRaMacStatus_t status = LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 2222
dudmuck 0:8f0d0ae0a077 2223 if( mibSet == NULL )
dudmuck 0:8f0d0ae0a077 2224 {
dudmuck 0:8f0d0ae0a077 2225 return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2226 }
dudmuck 0:8f0d0ae0a077 2227
dudmuck 0:8f0d0ae0a077 2228 switch( mibSet->Type )
dudmuck 0:8f0d0ae0a077 2229 {
dudmuck 0:8f0d0ae0a077 2230 case MIB_NETWORK_JOINED:
dudmuck 0:8f0d0ae0a077 2231 {
Wayne Roberts 29:ad409c68c0a6 2232 LoRaMacFlags.Bits.IsLoRaMacNetworkJoined = mibSet->Param.IsNetworkJoined;
Wayne Roberts 29:ad409c68c0a6 2233 if (!LoRaMacFlags.Bits.IsLoRaMacNetworkJoined) {
Wayne Roberts 29:ad409c68c0a6 2234 mac_printf("beaconDetach\r\n");
Wayne Roberts 29:ad409c68c0a6 2235 BeaconCtx._timeout_rx.detach();
Wayne Roberts 29:ad409c68c0a6 2236 BeaconCtx._timeout_guard.detach();
dudmuck 16:915815632c1f 2237 BeaconCtx.state = BEACON_STATE_NONE;
dudmuck 16:915815632c1f 2238 }
dudmuck 0:8f0d0ae0a077 2239 break;
dudmuck 0:8f0d0ae0a077 2240 }
dudmuck 0:8f0d0ae0a077 2241 case MIB_NET_ID:
dudmuck 0:8f0d0ae0a077 2242 {
dudmuck 0:8f0d0ae0a077 2243 LoRaMacNetID = mibSet->Param.NetID;
dudmuck 0:8f0d0ae0a077 2244 break;
dudmuck 0:8f0d0ae0a077 2245 }
dudmuck 0:8f0d0ae0a077 2246 case MIB_DEV_ADDR:
dudmuck 0:8f0d0ae0a077 2247 {
dudmuck 0:8f0d0ae0a077 2248 LoRaMacDevAddr = mibSet->Param.DevAddr;
dudmuck 0:8f0d0ae0a077 2249 break;
dudmuck 0:8f0d0ae0a077 2250 }
dudmuck 0:8f0d0ae0a077 2251 case MIB_NWK_SKEY:
dudmuck 0:8f0d0ae0a077 2252 {
dudmuck 0:8f0d0ae0a077 2253 if( mibSet->Param.NwkSKey != NULL )
dudmuck 0:8f0d0ae0a077 2254 {
dudmuck 0:8f0d0ae0a077 2255 memcpy1( LoRaMacNwkSKey, mibSet->Param.NwkSKey,
dudmuck 0:8f0d0ae0a077 2256 sizeof( LoRaMacNwkSKey ) );
dudmuck 0:8f0d0ae0a077 2257 }
dudmuck 0:8f0d0ae0a077 2258 else
dudmuck 0:8f0d0ae0a077 2259 {
dudmuck 0:8f0d0ae0a077 2260 status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2261 }
dudmuck 0:8f0d0ae0a077 2262 break;
dudmuck 0:8f0d0ae0a077 2263 }
dudmuck 0:8f0d0ae0a077 2264 case MIB_APP_SKEY:
dudmuck 0:8f0d0ae0a077 2265 {
dudmuck 0:8f0d0ae0a077 2266 if( mibSet->Param.AppSKey != NULL )
dudmuck 0:8f0d0ae0a077 2267 {
dudmuck 0:8f0d0ae0a077 2268 memcpy1( LoRaMacAppSKey, mibSet->Param.AppSKey,
dudmuck 0:8f0d0ae0a077 2269 sizeof( LoRaMacAppSKey ) );
dudmuck 0:8f0d0ae0a077 2270 }
dudmuck 0:8f0d0ae0a077 2271 else
dudmuck 0:8f0d0ae0a077 2272 {
dudmuck 0:8f0d0ae0a077 2273 status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2274 }
dudmuck 0:8f0d0ae0a077 2275 break;
dudmuck 0:8f0d0ae0a077 2276 }
dudmuck 0:8f0d0ae0a077 2277 case MIB_PUBLIC_NETWORK:
dudmuck 0:8f0d0ae0a077 2278 {
dudmuck 0:8f0d0ae0a077 2279 PublicNetwork = mibSet->Param.EnablePublicNetwork;
Wayne Roberts 29:ad409c68c0a6 2280 Radio::SetPublicNetwork( PublicNetwork );
dudmuck 0:8f0d0ae0a077 2281 break;
dudmuck 0:8f0d0ae0a077 2282 }
dudmuck 0:8f0d0ae0a077 2283 case MIB_CHANNELS_NB_REP:
dudmuck 0:8f0d0ae0a077 2284 {
dudmuck 0:8f0d0ae0a077 2285 if( ( mibSet->Param.ChannelNbRep >= 1 ) &&
dudmuck 0:8f0d0ae0a077 2286 ( mibSet->Param.ChannelNbRep <= 15 ) )
dudmuck 0:8f0d0ae0a077 2287 {
dudmuck 0:8f0d0ae0a077 2288 LoRaMacParams.ChannelsNbRep = mibSet->Param.ChannelNbRep;
dudmuck 0:8f0d0ae0a077 2289 }
dudmuck 0:8f0d0ae0a077 2290 else
dudmuck 0:8f0d0ae0a077 2291 {
dudmuck 0:8f0d0ae0a077 2292 status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2293 }
dudmuck 0:8f0d0ae0a077 2294 break;
dudmuck 0:8f0d0ae0a077 2295 }
dudmuck 0:8f0d0ae0a077 2296 case MIB_MAX_RX_WINDOW_DURATION:
dudmuck 0:8f0d0ae0a077 2297 {
dudmuck 0:8f0d0ae0a077 2298 LoRaMacParams.MaxRxWindow = mibSet->Param.MaxRxWindow;
dudmuck 0:8f0d0ae0a077 2299 break;
dudmuck 0:8f0d0ae0a077 2300 }
dudmuck 0:8f0d0ae0a077 2301 case MIB_CHANNELS_DEFAULT_TX_POWER:
dudmuck 0:8f0d0ae0a077 2302 {
dudmuck 0:8f0d0ae0a077 2303 if( ValueInRange( mibSet->Param.ChannelsDefaultTxPower,
dudmuck 0:8f0d0ae0a077 2304 LORAMAC_MAX_TX_POWER, LORAMAC_MIN_TX_POWER ) )
dudmuck 0:8f0d0ae0a077 2305 {
dudmuck 0:8f0d0ae0a077 2306 LoRaMacParamsDefaults.ChannelsTxPower = mibSet->Param.ChannelsDefaultTxPower;
dudmuck 0:8f0d0ae0a077 2307 }
dudmuck 0:8f0d0ae0a077 2308 else
dudmuck 0:8f0d0ae0a077 2309 {
dudmuck 0:8f0d0ae0a077 2310 status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2311 }
dudmuck 0:8f0d0ae0a077 2312 break;
dudmuck 0:8f0d0ae0a077 2313 }
dudmuck 0:8f0d0ae0a077 2314 case MIB_CHANNELS_TX_POWER:
dudmuck 0:8f0d0ae0a077 2315 {
dudmuck 0:8f0d0ae0a077 2316 if( ValueInRange( mibSet->Param.ChannelsTxPower,
dudmuck 0:8f0d0ae0a077 2317 LORAMAC_MAX_TX_POWER, LORAMAC_MIN_TX_POWER ) )
dudmuck 0:8f0d0ae0a077 2318 {
dudmuck 0:8f0d0ae0a077 2319 LoRaMacParams.ChannelsTxPower = mibSet->Param.ChannelsTxPower;
dudmuck 0:8f0d0ae0a077 2320 }
dudmuck 0:8f0d0ae0a077 2321 else
dudmuck 0:8f0d0ae0a077 2322 {
dudmuck 0:8f0d0ae0a077 2323 status = LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2324 }
dudmuck 0:8f0d0ae0a077 2325 break;
dudmuck 0:8f0d0ae0a077 2326 }
dudmuck 0:8f0d0ae0a077 2327 case MIB_UPLINK_COUNTER:
dudmuck 0:8f0d0ae0a077 2328 {
dudmuck 0:8f0d0ae0a077 2329 UpLinkCounter = mibSet->Param.UpLinkCounter;
dudmuck 0:8f0d0ae0a077 2330 break;
dudmuck 0:8f0d0ae0a077 2331 }
dudmuck 0:8f0d0ae0a077 2332 case MIB_DOWNLINK_COUNTER:
dudmuck 0:8f0d0ae0a077 2333 {
dudmuck 0:8f0d0ae0a077 2334 DownLinkCounter = mibSet->Param.DownLinkCounter;
dudmuck 0:8f0d0ae0a077 2335 break;
dudmuck 0:8f0d0ae0a077 2336 }
dudmuck 0:8f0d0ae0a077 2337 case MIB_SYSTEM_MAX_RX_ERROR:
dudmuck 0:8f0d0ae0a077 2338 {
Wayne Roberts 29:ad409c68c0a6 2339 LoRaMacParams.SystemMaxRxError_ms = LoRaMacParamsDefaults.SystemMaxRxError_ms = mibSet->Param.SystemMaxRxError_ms;
dudmuck 0:8f0d0ae0a077 2340 break;
dudmuck 0:8f0d0ae0a077 2341 }
dudmuck 0:8f0d0ae0a077 2342 case MIB_MIN_RX_SYMBOLS:
dudmuck 0:8f0d0ae0a077 2343 {
dudmuck 0:8f0d0ae0a077 2344 LoRaMacParams.MinRxSymbols = LoRaMacParamsDefaults.MinRxSymbols = mibSet->Param.MinRxSymbols;
dudmuck 0:8f0d0ae0a077 2345 break;
dudmuck 0:8f0d0ae0a077 2346 }
dudmuck 0:8f0d0ae0a077 2347 default:
dudmuck 0:8f0d0ae0a077 2348 status = LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck 0:8f0d0ae0a077 2349 break;
dudmuck 0:8f0d0ae0a077 2350 }
dudmuck 0:8f0d0ae0a077 2351
dudmuck 0:8f0d0ae0a077 2352 return status;
dudmuck 0:8f0d0ae0a077 2353 }
dudmuck 0:8f0d0ae0a077 2354
dudmuck 0:8f0d0ae0a077 2355 LoRaMacStatus_t LoRaMacMulticastChannelLink( MulticastParams_t *channelParam )
dudmuck 0:8f0d0ae0a077 2356 {
dudmuck 0:8f0d0ae0a077 2357 if( channelParam == NULL )
dudmuck 0:8f0d0ae0a077 2358 {
dudmuck 0:8f0d0ae0a077 2359 return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2360 }
dudmuck 0:8f0d0ae0a077 2361
dudmuck 0:8f0d0ae0a077 2362 // Reset downlink counter
dudmuck 0:8f0d0ae0a077 2363 channelParam->DownLinkCounter = 0;
dudmuck 0:8f0d0ae0a077 2364
dudmuck 0:8f0d0ae0a077 2365 if( MulticastChannels == NULL )
dudmuck 0:8f0d0ae0a077 2366 {
dudmuck 0:8f0d0ae0a077 2367 // New node is the fist element
dudmuck 0:8f0d0ae0a077 2368 MulticastChannels = channelParam;
dudmuck 0:8f0d0ae0a077 2369 }
dudmuck 0:8f0d0ae0a077 2370 else
dudmuck 0:8f0d0ae0a077 2371 {
dudmuck 0:8f0d0ae0a077 2372 MulticastParams_t *cur = MulticastChannels;
dudmuck 0:8f0d0ae0a077 2373
dudmuck 0:8f0d0ae0a077 2374 // Search the last node in the list
dudmuck 0:8f0d0ae0a077 2375 while( cur->Next != NULL )
dudmuck 0:8f0d0ae0a077 2376 {
dudmuck 0:8f0d0ae0a077 2377 cur = cur->Next;
dudmuck 0:8f0d0ae0a077 2378 }
dudmuck 0:8f0d0ae0a077 2379 // This function always finds the last node
dudmuck 0:8f0d0ae0a077 2380 cur->Next = channelParam;
dudmuck 0:8f0d0ae0a077 2381 }
dudmuck 0:8f0d0ae0a077 2382
dudmuck 0:8f0d0ae0a077 2383 return LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 2384 }
dudmuck 0:8f0d0ae0a077 2385
dudmuck 0:8f0d0ae0a077 2386 LoRaMacStatus_t LoRaMacMulticastChannelUnlink( MulticastParams_t *channelParam )
dudmuck 0:8f0d0ae0a077 2387 {
dudmuck 0:8f0d0ae0a077 2388 if( channelParam == NULL )
dudmuck 0:8f0d0ae0a077 2389 {
dudmuck 0:8f0d0ae0a077 2390 return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2391 }
dudmuck 0:8f0d0ae0a077 2392
dudmuck 0:8f0d0ae0a077 2393 if( MulticastChannels != NULL )
dudmuck 0:8f0d0ae0a077 2394 {
dudmuck 0:8f0d0ae0a077 2395 if( MulticastChannels == channelParam )
dudmuck 0:8f0d0ae0a077 2396 {
dudmuck 0:8f0d0ae0a077 2397 // First element
dudmuck 0:8f0d0ae0a077 2398 MulticastChannels = channelParam->Next;
dudmuck 0:8f0d0ae0a077 2399 }
dudmuck 0:8f0d0ae0a077 2400 else
dudmuck 0:8f0d0ae0a077 2401 {
dudmuck 0:8f0d0ae0a077 2402 MulticastParams_t *cur = MulticastChannels;
dudmuck 0:8f0d0ae0a077 2403
dudmuck 0:8f0d0ae0a077 2404 // Search the node in the list
dudmuck 0:8f0d0ae0a077 2405 while( cur->Next && cur->Next != channelParam )
dudmuck 0:8f0d0ae0a077 2406 {
dudmuck 0:8f0d0ae0a077 2407 cur = cur->Next;
dudmuck 0:8f0d0ae0a077 2408 }
dudmuck 0:8f0d0ae0a077 2409 // If we found the node, remove it
dudmuck 0:8f0d0ae0a077 2410 if( cur->Next )
dudmuck 0:8f0d0ae0a077 2411 {
dudmuck 0:8f0d0ae0a077 2412 cur->Next = channelParam->Next;
dudmuck 0:8f0d0ae0a077 2413 }
dudmuck 0:8f0d0ae0a077 2414 }
dudmuck 0:8f0d0ae0a077 2415 channelParam->Next = NULL;
dudmuck 0:8f0d0ae0a077 2416 }
dudmuck 0:8f0d0ae0a077 2417
dudmuck 0:8f0d0ae0a077 2418 return LORAMAC_STATUS_OK;
dudmuck 0:8f0d0ae0a077 2419 }
dudmuck 0:8f0d0ae0a077 2420
dudmuck 0:8f0d0ae0a077 2421 LoRaMacStatus_t LoRaMacMlmeRequest( MlmeReq_t *mlmeRequest )
dudmuck 0:8f0d0ae0a077 2422 {
dudmuck 0:8f0d0ae0a077 2423 LoRaMacStatus_t status = LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck 0:8f0d0ae0a077 2424 LoRaMacHeader_t macHdr;
dudmuck 0:8f0d0ae0a077 2425
dudmuck 0:8f0d0ae0a077 2426 if( mlmeRequest == NULL )
dudmuck 0:8f0d0ae0a077 2427 {
dudmuck 0:8f0d0ae0a077 2428 return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2429 }
dudmuck 0:8f0d0ae0a077 2430
dudmuck 0:8f0d0ae0a077 2431 memset1( ( uint8_t* ) &MlmeConfirm, 0, sizeof( MlmeConfirm ) );
dudmuck 0:8f0d0ae0a077 2432
dudmuck 2:f2d9aa163652 2433 MlmeConfirm.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_MLMEREQ;
dudmuck 0:8f0d0ae0a077 2434
dudmuck 0:8f0d0ae0a077 2435 switch( mlmeRequest->Type )
dudmuck 0:8f0d0ae0a077 2436 {
dudmuck 0:8f0d0ae0a077 2437 case MLME_JOIN:
dudmuck 0:8f0d0ae0a077 2438 {
dudmuck 0:8f0d0ae0a077 2439 if( ( mlmeRequest->Req.Join.DevEui == NULL ) ||
dudmuck 0:8f0d0ae0a077 2440 ( mlmeRequest->Req.Join.AppEui == NULL ) ||
dudmuck 0:8f0d0ae0a077 2441 ( mlmeRequest->Req.Join.AppKey == NULL ) ||
dudmuck 0:8f0d0ae0a077 2442 ( mlmeRequest->Req.Join.NbTrials == 0 ) )
dudmuck 0:8f0d0ae0a077 2443 {
dudmuck 0:8f0d0ae0a077 2444 return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2445 }
dudmuck 0:8f0d0ae0a077 2446
dudmuck 0:8f0d0ae0a077 2447 // Enables at least the usage of all datarates.
dudmuck 0:8f0d0ae0a077 2448 if( mlmeRequest->Req.Join.NbTrials < 48 )
dudmuck 0:8f0d0ae0a077 2449 {
dudmuck 0:8f0d0ae0a077 2450 mlmeRequest->Req.Join.NbTrials = 48;
dudmuck 0:8f0d0ae0a077 2451 }
dudmuck 0:8f0d0ae0a077 2452
dudmuck 0:8f0d0ae0a077 2453 LoRaMacFlags.Bits.MlmeReq = 1;
dudmuck 0:8f0d0ae0a077 2454 MlmeConfirm.MlmeRequest = mlmeRequest->Type;
dudmuck 0:8f0d0ae0a077 2455
dudmuck 0:8f0d0ae0a077 2456 LoRaMacDevEui = mlmeRequest->Req.Join.DevEui;
dudmuck 0:8f0d0ae0a077 2457 LoRaMacAppEui = mlmeRequest->Req.Join.AppEui;
dudmuck 0:8f0d0ae0a077 2458 LoRaMacAppKey = mlmeRequest->Req.Join.AppKey;
dudmuck 0:8f0d0ae0a077 2459 MaxJoinRequestTrials = mlmeRequest->Req.Join.NbTrials;
dudmuck 0:8f0d0ae0a077 2460
dudmuck 0:8f0d0ae0a077 2461 // Reset variable JoinRequestTrials
dudmuck 0:8f0d0ae0a077 2462 JoinRequestTrials = 0;
dudmuck 0:8f0d0ae0a077 2463
dudmuck 0:8f0d0ae0a077 2464 // Setup header information
dudmuck 0:8f0d0ae0a077 2465 macHdr.Value = 0;
dudmuck 0:8f0d0ae0a077 2466 macHdr.Bits.MType = FRAME_TYPE_JOIN_REQ;
dudmuck 0:8f0d0ae0a077 2467
dudmuck 0:8f0d0ae0a077 2468 ResetMacParameters( );
Wayne Roberts 29:ad409c68c0a6 2469 LoRaMacFlags.Bits.expecting_beacon = false;
dudmuck 16:915815632c1f 2470 BeaconCtx.state = BEACON_STATE_NONE;
dudmuck 0:8f0d0ae0a077 2471
dudmuck 0:8f0d0ae0a077 2472 Channel = 0; // start with first channel
Wayne Roberts 29:ad409c68c0a6 2473 mac_printf("<ch0>");
Wayne Roberts 29:ad409c68c0a6 2474 mac_printf("mlme-join-send ch%u\r\n", Channel);
dudmuck 0:8f0d0ae0a077 2475 status = Send( &macHdr, 0, NULL, 0 );
dudmuck 0:8f0d0ae0a077 2476 break;
dudmuck 0:8f0d0ae0a077 2477 }
dudmuck 0:8f0d0ae0a077 2478 case MLME_LINK_CHECK:
dudmuck 0:8f0d0ae0a077 2479 {
dudmuck 0:8f0d0ae0a077 2480 LoRaMacFlags.Bits.MlmeReq = 1;
dudmuck 0:8f0d0ae0a077 2481 // LoRaMac will send this command piggy-pack
dudmuck 0:8f0d0ae0a077 2482 MlmeConfirm.MlmeRequest = mlmeRequest->Type;
dudmuck 0:8f0d0ae0a077 2483
dudmuck 0:8f0d0ae0a077 2484 status = AddMacCommand( MOTE_MAC_LINK_CHECK_REQ, 0, 0 );
dudmuck 0:8f0d0ae0a077 2485 break;
dudmuck 0:8f0d0ae0a077 2486 }
dudmuck 0:8f0d0ae0a077 2487 case MLME_TXCW:
dudmuck 0:8f0d0ae0a077 2488 {
dudmuck 0:8f0d0ae0a077 2489 MlmeConfirm.MlmeRequest = mlmeRequest->Type;
dudmuck 0:8f0d0ae0a077 2490 LoRaMacFlags.Bits.MlmeReq = 1;
dudmuck 0:8f0d0ae0a077 2491 status = SetTxContinuousWave( mlmeRequest->Req.TxCw.Timeout );
dudmuck 0:8f0d0ae0a077 2492 break;
dudmuck 0:8f0d0ae0a077 2493 }
dudmuck 0:8f0d0ae0a077 2494 case MLME_TXCW_1:
dudmuck 0:8f0d0ae0a077 2495 {
dudmuck 0:8f0d0ae0a077 2496 MlmeConfirm.MlmeRequest = mlmeRequest->Type;
dudmuck 0:8f0d0ae0a077 2497 LoRaMacFlags.Bits.MlmeReq = 1;
dudmuck 0:8f0d0ae0a077 2498 status = SetTxContinuousWave1( mlmeRequest->Req.TxCw.Timeout, mlmeRequest->Req.TxCw.Frequency, mlmeRequest->Req.TxCw.Power );
dudmuck 0:8f0d0ae0a077 2499 break;
dudmuck 0:8f0d0ae0a077 2500 }
dudmuck 0:8f0d0ae0a077 2501 default:
dudmuck 0:8f0d0ae0a077 2502 break;
dudmuck 0:8f0d0ae0a077 2503 }
dudmuck 0:8f0d0ae0a077 2504
dudmuck 0:8f0d0ae0a077 2505 if( status != LORAMAC_STATUS_OK )
dudmuck 0:8f0d0ae0a077 2506 {
Wayne Roberts 29:ad409c68c0a6 2507 LoRaMacFlags.Bits.NodeAckRequested = false;
dudmuck 0:8f0d0ae0a077 2508 LoRaMacFlags.Bits.MlmeReq = 0;
dudmuck 0:8f0d0ae0a077 2509 }
dudmuck 0:8f0d0ae0a077 2510
dudmuck 0:8f0d0ae0a077 2511 return status;
dudmuck 0:8f0d0ae0a077 2512 }
dudmuck 0:8f0d0ae0a077 2513
dudmuck 0:8f0d0ae0a077 2514 LoRaMacStatus_t LoRaMacMcpsRequest( McpsReq_t *mcpsRequest )
dudmuck 0:8f0d0ae0a077 2515 {
dudmuck 0:8f0d0ae0a077 2516 LoRaMacStatus_t status = LORAMAC_STATUS_SERVICE_UNKNOWN;
dudmuck 0:8f0d0ae0a077 2517 LoRaMacHeader_t macHdr;
dudmuck 0:8f0d0ae0a077 2518 uint8_t fPort = 0;
dudmuck 0:8f0d0ae0a077 2519 void *fBuffer;
dudmuck 0:8f0d0ae0a077 2520 uint16_t fBufferSize;
dudmuck 0:8f0d0ae0a077 2521 bool readyToSend = false;
dudmuck 0:8f0d0ae0a077 2522
dudmuck 0:8f0d0ae0a077 2523 if( mcpsRequest == NULL )
dudmuck 0:8f0d0ae0a077 2524 {
dudmuck 0:8f0d0ae0a077 2525 return LORAMAC_STATUS_PARAMETER_INVALID;
dudmuck 0:8f0d0ae0a077 2526 }
dudmuck 0:8f0d0ae0a077 2527
dudmuck 0:8f0d0ae0a077 2528 macHdr.Value = 0;
dudmuck 0:8f0d0ae0a077 2529 memset1 ( ( uint8_t* ) &McpsConfirm, 0, sizeof( McpsConfirm ) );
dudmuck 2:f2d9aa163652 2530 McpsConfirm.Status = LORAMAC_EVENT_INFO_STATUS_ERROR_MCPSREQ;
dudmuck 0:8f0d0ae0a077 2531
dudmuck 0:8f0d0ae0a077 2532 switch( mcpsRequest->Type )
dudmuck 0:8f0d0ae0a077 2533 {
dudmuck 0:8f0d0ae0a077 2534 case MCPS_UNCONFIRMED:
dudmuck 0:8f0d0ae0a077 2535 {
dudmuck 0:8f0d0ae0a077 2536 readyToSend = true;
dudmuck 0:8f0d0ae0a077 2537
dudmuck 0:8f0d0ae0a077 2538 macHdr.Bits.MType = FRAME_TYPE_DATA_UNCONFIRMED_UP;
dudmuck 0:8f0d0ae0a077 2539 fPort = mcpsRequest->Req.Unconfirmed.fPort;
dudmuck 0:8f0d0ae0a077 2540 fBuffer = mcpsRequest->Req.Unconfirmed.fBuffer;
dudmuck 0:8f0d0ae0a077 2541 fBufferSize = mcpsRequest->Req.Unconfirmed.fBufferSize;
dudmuck 0:8f0d0ae0a077 2542 break;
dudmuck 0:8f0d0ae0a077 2543 }
dudmuck 0:8f0d0ae0a077 2544 case MCPS_CONFIRMED:
dudmuck 0:8f0d0ae0a077 2545 {
dudmuck 0:8f0d0ae0a077 2546 readyToSend = true;
dudmuck 0:8f0d0ae0a077 2547
dudmuck 0:8f0d0ae0a077 2548 macHdr.Bits.MType = FRAME_TYPE_DATA_CONFIRMED_UP;
dudmuck 0:8f0d0ae0a077 2549 fPort = mcpsRequest->Req.Confirmed.fPort;
dudmuck 0:8f0d0ae0a077 2550 fBuffer = mcpsRequest->Req.Confirmed.fBuffer;
dudmuck 0:8f0d0ae0a077 2551 fBufferSize = mcpsRequest->Req.Confirmed.fBufferSize;
dudmuck 0:8f0d0ae0a077 2552 break;
dudmuck 0:8f0d0ae0a077 2553 }
dudmuck 0:8f0d0ae0a077 2554 case MCPS_PROPRIETARY:
dudmuck 0:8f0d0ae0a077 2555 {
dudmuck 0:8f0d0ae0a077 2556 readyToSend = true;
dudmuck 0:8f0d0ae0a077 2557
dudmuck 0:8f0d0ae0a077 2558 macHdr.Bits.MType = FRAME_TYPE_PROPRIETARY;
dudmuck 0:8f0d0ae0a077 2559 fBuffer = mcpsRequest->Req.Proprietary.fBuffer;
dudmuck 0:8f0d0ae0a077 2560 fBufferSize = mcpsRequest->Req.Proprietary.fBufferSize;
dudmuck 0:8f0d0ae0a077 2561 break;
dudmuck 0:8f0d0ae0a077 2562 }
dudmuck 0:8f0d0ae0a077 2563 default:
dudmuck 0:8f0d0ae0a077 2564 break;
dudmuck 0:8f0d0ae0a077 2565 }
dudmuck 0:8f0d0ae0a077 2566
Wayne Roberts 29:ad409c68c0a6 2567 if (readyToSend)
dudmuck 0:8f0d0ae0a077 2568 {
dudmuck 0:8f0d0ae0a077 2569 status = Send( &macHdr, fPort, fBuffer, fBufferSize );
Wayne Roberts 29:ad409c68c0a6 2570 if (status == LORAMAC_STATUS_OK)
dudmuck 0:8f0d0ae0a077 2571 {
dudmuck 0:8f0d0ae0a077 2572 McpsConfirm.McpsRequest = mcpsRequest->Type;
dudmuck 0:8f0d0ae0a077 2573 LoRaMacFlags.Bits.McpsReq = 1;
dudmuck 0:8f0d0ae0a077 2574 }
dudmuck 0:8f0d0ae0a077 2575 else
dudmuck 0:8f0d0ae0a077 2576 {
Wayne Roberts 29:ad409c68c0a6 2577 LoRaMacFlags.Bits.NodeAckRequested = false;
dudmuck 0:8f0d0ae0a077 2578 }
dudmuck 0:8f0d0ae0a077 2579 }
dudmuck 0:8f0d0ae0a077 2580
dudmuck 0:8f0d0ae0a077 2581 return status;
dudmuck 0:8f0d0ae0a077 2582 }
dudmuck 0:8f0d0ae0a077 2583
dudmuck 0:8f0d0ae0a077 2584 void LoRaMacTestRxWindowsOn( bool enable )
dudmuck 0:8f0d0ae0a077 2585 {
dudmuck 0:8f0d0ae0a077 2586 IsRxWindowsEnabled = enable;
dudmuck 0:8f0d0ae0a077 2587 }
dudmuck 0:8f0d0ae0a077 2588
dudmuck 0:8f0d0ae0a077 2589 void LoRaMacTestSetMic( uint16_t txPacketCounter )
dudmuck 0:8f0d0ae0a077 2590 {
dudmuck 0:8f0d0ae0a077 2591 UpLinkCounter = txPacketCounter;
dudmuck 16:915815632c1f 2592 //IsUpLinkCounterFixed = true;
dudmuck 0:8f0d0ae0a077 2593 }
dudmuck 0:8f0d0ae0a077 2594
dudmuck 0:8f0d0ae0a077 2595 void LoRaMacTestSetChannel( uint8_t channel )
dudmuck 0:8f0d0ae0a077 2596 {
Wayne Roberts 29:ad409c68c0a6 2597 mac_printf("set-testch%u\r\n", channel);
dudmuck 0:8f0d0ae0a077 2598 Channel = channel;
dudmuck 0:8f0d0ae0a077 2599 }
dudmuck 0:8f0d0ae0a077 2600
dudmuck 0:8f0d0ae0a077 2601
dudmuck 0:8f0d0ae0a077 2602 static RxConfigParams_t ComputeRxWindowParameters( int8_t datarate, uint32_t rxError )
dudmuck 0:8f0d0ae0a077 2603 {
Wayne Roberts 29:ad409c68c0a6 2604 RxConfigParams_t rxConfigParams = { 0, 0 };
dudmuck 0:8f0d0ae0a077 2605 double tSymbol = 0.0;
dudmuck 0:8f0d0ae0a077 2606
dudmuck 0:8f0d0ae0a077 2607 rxConfigParams.Datarate = datarate;
dudmuck 0:8f0d0ae0a077 2608
dudmuck 0:8f0d0ae0a077 2609 #if defined( USE_BAND_433 ) || defined( USE_BAND_780 ) || defined( USE_BAND_868 )
dudmuck 0:8f0d0ae0a077 2610 if( datarate == DR_7 )
dudmuck 0:8f0d0ae0a077 2611 { // FSK
dudmuck 0:8f0d0ae0a077 2612 tSymbol = ( 1.0 / ( double )Datarates[datarate] ) * 8.0; // 1 symbol equals 1 byte
dudmuck 0:8f0d0ae0a077 2613 }
dudmuck 0:8f0d0ae0a077 2614 else
dudmuck 0:8f0d0ae0a077 2615 #endif
dudmuck 0:8f0d0ae0a077 2616 { // LoRa
Wayne Roberts 29:ad409c68c0a6 2617 tSymbol = ( ( double )( 1 << Datarates[datarate] ) / LORA_BANDWIDTH_KHZ ) * 1e3;
dudmuck 0:8f0d0ae0a077 2618 }
dudmuck 0:8f0d0ae0a077 2619
dudmuck 0:8f0d0ae0a077 2620 rxConfigParams.RxWindowTimeout = MAX( ( uint32_t )ceil( ( ( 2 * LoRaMacParams.MinRxSymbols - 8 ) * tSymbol + 2 * rxError ) / tSymbol ), LoRaMacParams.MinRxSymbols ); // Computed number of symbols
Wayne Roberts 29:ad409c68c0a6 2621 mac_printf("RxWindowTimeout:%u\r\n", rxConfigParams.RxWindowTimeout);
dudmuck 0:8f0d0ae0a077 2622
dudmuck 0:8f0d0ae0a077 2623 return rxConfigParams;
dudmuck 0:8f0d0ae0a077 2624 }
dudmuck 0:8f0d0ae0a077 2625
dudmuck 20:42839629a5dc 2626 void LoRaMacBottomHalf()
dudmuck 20:42839629a5dc 2627 {
Wayne Roberts 29:ad409c68c0a6 2628 if (LoRaMacFlags.Bits.join_send) {
Wayne Roberts 29:ad409c68c0a6 2629 join_send_bh();
Wayne Roberts 29:ad409c68c0a6 2630 LoRaMacFlags.Bits.join_send = 0;
dudmuck 20:42839629a5dc 2631 }
Wayne Roberts 29:ad409c68c0a6 2632 if (LoRaMacFlags.Bits.send) {
Wayne Roberts 29:ad409c68c0a6 2633 send_bh();
Wayne Roberts 29:ad409c68c0a6 2634 LoRaMacFlags.Bits.send = 0;
dudmuck 20:42839629a5dc 2635 }
Wayne Roberts 29:ad409c68c0a6 2636
Wayne Roberts 29:ad409c68c0a6 2637 if (LoRaMacFlags.Bits.reJoin) {
Wayne Roberts 29:ad409c68c0a6 2638 MlmeReq_t mlmeReq;
Wayne Roberts 29:ad409c68c0a6 2639 mlmeReq.Type = MLME_JOIN;
Wayne Roberts 29:ad409c68c0a6 2640
Wayne Roberts 29:ad409c68c0a6 2641 mlmeReq.Req.Join.DevEui = LoRaMacDevEui;
Wayne Roberts 29:ad409c68c0a6 2642 mlmeReq.Req.Join.AppEui = LoRaMacAppEui;
Wayne Roberts 29:ad409c68c0a6 2643 mlmeReq.Req.Join.AppKey = LoRaMacAppKey;
Wayne Roberts 29:ad409c68c0a6 2644 mlmeReq.Req.Join.NbTrials = 255;
Wayne Roberts 29:ad409c68c0a6 2645
Wayne Roberts 29:ad409c68c0a6 2646 if (LoRaMacMlmeRequest(&mlmeReq) == LORAMAC_STATUS_OK)
Wayne Roberts 29:ad409c68c0a6 2647 LoRaMacFlags.Bits.reJoin = 0;
dudmuck 20:42839629a5dc 2648 }
Wayne Roberts 29:ad409c68c0a6 2649
Wayne Roberts 29:ad409c68c0a6 2650 Radio::service();
dudmuck 20:42839629a5dc 2651 }