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| /******************************************************************************* | ||
| * Copyright (c) 2015 Thomas Telkamp and Matthijs Kooijman | ||
| * | ||
| * Permission is hereby granted, free of charge, to anyone | ||
| * obtaining a copy of this document and accompanying files, | ||
| * to do whatever they want with them without any restriction, | ||
| * including, but not limited to, copying, modification and redistribution. | ||
| * NO WARRANTY OF ANY KIND IS PROVIDED. | ||
| * | ||
| * This example sends a valid LoRaWAN packet with payload "Hello, | ||
| * world!", using frequency and encryption settings matching those of | ||
| * the The Things Network. | ||
| * | ||
| * This uses OTAA (Over-the-air activation), where where a DevEUI and | ||
| * application key is configured, which are used in an over-the-air | ||
| * activation procedure where a DevAddr and session keys are | ||
| * assigned/generated for use with all further communication. | ||
| * | ||
| * Note: LoRaWAN per sub-band duty-cycle limitation is enforced (1% in | ||
| * g1, 0.1% in g2), but not the TTN fair usage policy (which is probably | ||
| * violated by this sketch when left running for longer)! | ||
| * To use this sketch, first register your application and device with | ||
| * the things network, to set or generate an AppEUI, DevEUI and AppKey. | ||
| * Multiple devices can use the same AppEUI, but each device has its own | ||
| * DevEUI and AppKey. | ||
| * | ||
| * Do not forget to define the radio type correctly in config.h. | ||
| * | ||
| *******************************************************************************/ | ||
|
|
||
| #include <lmic.h> | ||
| #include <hal/hal.h> | ||
| #include <SPI.h> | ||
|
|
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| // This EUI must be in little-endian format, so least-significant-byte | ||
| // first. When copying an EUI from ttnctl output, this means to reverse | ||
| // the bytes. For TTN issued EUIs the last bytes should be 0xD5, 0xB3, | ||
| // 0x70. | ||
| static const u1_t PROGMEM APPEUI[8]={ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; | ||
| void os_getArtEui (u1_t* buf) { memcpy_P(buf, APPEUI, 8);} | ||
|
|
||
| // This should also be in little endian format, see above. | ||
| static const u1_t PROGMEM DEVEUI[8]={ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; | ||
| void os_getDevEui (u1_t* buf) { memcpy_P(buf, DEVEUI, 8);} | ||
|
|
||
| // This key should be in big endian format (or, since it is not really a | ||
| // number but a block of memory, endianness does not really apply). In | ||
| // practice, a key taken from ttnctl can be copied as-is. | ||
| // The key shown here is the semtech default key. | ||
| static const u1_t PROGMEM APPKEY[16] = { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }; | ||
| void os_getDevKey (u1_t* buf) { memcpy_P(buf, APPKEY, 16);} | ||
|
|
||
| static uint8_t mydata[] = "Hello, world!"; | ||
| static osjob_t sendjob; | ||
|
|
||
| // Schedule TX every this many seconds (might become longer due to duty | ||
| // cycle limitations). | ||
| const unsigned TX_INTERVAL = 60; | ||
|
|
||
| // Pin mapping | ||
| const lmic_pinmap lmic_pins = { | ||
| .nss = 6, | ||
| .rxtx = LMIC_UNUSED_PIN, | ||
| .rst = 5, | ||
| .dio = {2, 3, 4}, | ||
| }; | ||
|
|
||
| void onEvent (ev_t ev) { | ||
| Serial.print(os_getTime()); | ||
| Serial.print(": "); | ||
| switch(ev) { | ||
| case EV_SCAN_TIMEOUT: | ||
| Serial.println(F("EV_SCAN_TIMEOUT")); | ||
| break; | ||
| case EV_BEACON_FOUND: | ||
| Serial.println(F("EV_BEACON_FOUND")); | ||
| break; | ||
| case EV_BEACON_MISSED: | ||
| Serial.println(F("EV_BEACON_MISSED")); | ||
| break; | ||
| case EV_BEACON_TRACKED: | ||
| Serial.println(F("EV_BEACON_TRACKED")); | ||
| break; | ||
| case EV_JOINING: | ||
| Serial.println(F("EV_JOINING")); | ||
| break; | ||
| case EV_JOINED: | ||
| Serial.println(F("EV_JOINED")); | ||
|
|
||
| // Disable link check validation (automatically enabled | ||
| // during join, but not supported by TTN at this time). | ||
| LMIC_setLinkCheckMode(0); | ||
| break; | ||
| case EV_RFU1: | ||
| Serial.println(F("EV_RFU1")); | ||
| break; | ||
| case EV_JOIN_FAILED: | ||
| Serial.println(F("EV_JOIN_FAILED")); | ||
| break; | ||
| case EV_REJOIN_FAILED: | ||
| Serial.println(F("EV_REJOIN_FAILED")); | ||
| break; | ||
| break; | ||
| case EV_TXCOMPLETE: | ||
| Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)")); | ||
| if (LMIC.txrxFlags & TXRX_ACK) | ||
| Serial.println(F("Received ack")); | ||
| if (LMIC.dataLen) { | ||
| Serial.println(F("Received ")); | ||
| Serial.println(LMIC.dataLen); | ||
| Serial.println(F(" bytes of payload")); | ||
| } | ||
| // Schedule next transmission | ||
| os_setTimedCallback(&sendjob, os_getTime()+sec2osticks(TX_INTERVAL), do_send); | ||
| break; | ||
| case EV_LOST_TSYNC: | ||
| Serial.println(F("EV_LOST_TSYNC")); | ||
| break; | ||
| case EV_RESET: | ||
| Serial.println(F("EV_RESET")); | ||
| break; | ||
| case EV_RXCOMPLETE: | ||
| // data received in ping slot | ||
| Serial.println(F("EV_RXCOMPLETE")); | ||
| break; | ||
| case EV_LINK_DEAD: | ||
| Serial.println(F("EV_LINK_DEAD")); | ||
| break; | ||
| case EV_LINK_ALIVE: | ||
| Serial.println(F("EV_LINK_ALIVE")); | ||
| break; | ||
| default: | ||
| Serial.println(F("Unknown event")); | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| void do_send(osjob_t* j){ | ||
| // Check if there is not a current TX/RX job running | ||
| if (LMIC.opmode & OP_TXRXPEND) { | ||
| Serial.println(F("OP_TXRXPEND, not sending")); | ||
| } else { | ||
| // Prepare upstream data transmission at the next possible time. | ||
| LMIC_setTxData2(1, mydata, sizeof(mydata)-1, 0); | ||
| Serial.println(F("Packet queued")); | ||
| } | ||
| // Next TX is scheduled after TX_COMPLETE event. | ||
| } | ||
|
|
||
| void setup() { | ||
| Serial.begin(9600); | ||
| Serial.println(F("Starting")); | ||
|
|
||
| #ifdef VCC_ENABLE | ||
| // For Pinoccio Scout boards | ||
| pinMode(VCC_ENABLE, OUTPUT); | ||
| digitalWrite(VCC_ENABLE, HIGH); | ||
| delay(1000); | ||
| #endif | ||
|
|
||
| // LMIC init | ||
| os_init(); | ||
| // Reset the MAC state. Session and pending data transfers will be discarded. | ||
| LMIC_reset(); | ||
|
|
||
| // Start job (sending automatically starts OTAA too) | ||
| do_send(&sendjob); | ||
| } | ||
|
|
||
| void loop() { | ||
| os_runloop_once(); | ||
| } |
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