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- #include <lmic.h>
- #include <hal/hal.h>
- #include <SPI.h>
- // LoRaWAN NwkSKey, network session key
- // This is the default Semtech key, which is used by the prototype TTN
- // network initially.
- //ttn
- static const PROGMEM u1_t NWKSKEY[16] = { 0x11, 0xB5, 0x16, 0xC4, 0x6D, 0x2A, 0x78, 0x33, 0x02, 0x38, 0x46, 0xD4, 0x59, 0xC1, 0xEC, 0xA1 };
- // LoRaWAN AppSKey, application session key
- // This is the default Semtech key, which is used by the prototype TTN
- // network initially.
- //ttn
- static const u1_t PROGMEM APPSKEY[16] = { 0x87, 0x30, 0xE5, 0x28, 0xAD, 0x05, 0x54, 0x2E, 0x44, 0x6D, 0xFF, 0x4E, 0xA3, 0x4A, 0x07, 0xBF };
- //
- // LoRaWAN end-device address (DevAddr)
- // See http://thethingsnetwork.org/wiki/AddressSpace
- // ttn
- static const u4_t DEVADDR = 0x26011F54;
- // These callbacks are only used in over-the-air activation, so they are
- // left empty here (we cannot leave them out completely unless
- // DISABLE_JOIN is set in config.h, otherwise the linker will complain).
- void os_getArtEui (u1_t* buf) { }
- void os_getDevEui (u1_t* buf) { }
- void os_getDevKey (u1_t* buf) { }
- static uint8_t mydata[] = "DEVADDR";
- static osjob_t initjob,sendjob,blinkjob;
- // Schedule TX every this many seconds (might become longer due to duty
- // cycle limitations).
- const unsigned TX_INTERVAL = 20;
- // Pin mapping
- const lmic_pinmap lmic_pins = {
- .nss = 10,
- .rxtx = LMIC_UNUSED_PIN,
- .rst = 9,
- .dio = {2, 6, 7},
- };
- void do_send(osjob_t* j){
- // Check if there is not a current TX/RX job running
- if (LMIC.opmode & OP_TXRXPEND) {
- Serial.println("OP_TXRXPEND, not sending");
- } else {
- // Prepare upstream data transmission at the next possible time.
- LMIC_setTxData2(1, mydata, sizeof(mydata)-1, 0);
- Serial.println("Packet queued");
- Serial.println(LMIC.freq);
- }
- // Next TX is scheduled after TX_COMPLETE event.
- }
- void onEvent (ev_t ev) {
- Serial.print(os_getTime());
- Serial.print(": ");
- Serial.println(ev);
- switch(ev) {
- case EV_SCAN_TIMEOUT:
- Serial.println("EV_SCAN_TIMEOUT");
- break;
- case EV_BEACON_FOUND:
- Serial.println("EV_BEACON_FOUND");
- break;
- case EV_BEACON_MISSED:
- Serial.println("EV_BEACON_MISSED");
- break;
- case EV_BEACON_TRACKED:
- Serial.println("EV_BEACON_TRACKED");
- break;
- case EV_JOINING:
- Serial.println("EV_JOINING");
- break;
- case EV_JOINED:
- Serial.println("EV_JOINED");
- break;
- case EV_RFU1:
- Serial.println("EV_RFU1");
- break;
- case EV_JOIN_FAILED:
- Serial.println("EV_JOIN_FAILED");
- break;
- case EV_REJOIN_FAILED:
- Serial.println("EV_REJOIN_FAILED");
- break;
- case EV_TXCOMPLETE:
- Serial.println("EV_TXCOMPLETE (includes waiting for RX windows)");
- if(LMIC.dataLen) {
- // data received in rx slot after tx
- Serial.print("Data Received: ");
- Serial.write(LMIC.frame+LMIC.dataBeg, LMIC.dataLen);
- Serial.println();
- }
- // Schedule next transmission
- os_setTimedCallback(&sendjob, os_getTime()+sec2osticks(TX_INTERVAL), do_send);
- break;
- case EV_LOST_TSYNC:
- Serial.println("EV_LOST_TSYNC");
- break;
- case EV_RESET:
- Serial.println("EV_RESET");
- break;
- case EV_RXCOMPLETE:
- // data received in ping slot
- Serial.println("EV_RXCOMPLETE");
- break;
- case EV_LINK_DEAD:
- Serial.println("EV_LINK_DEAD");
- break;
- case EV_LINK_ALIVE:
- Serial.println("EV_LINK_ALIVE");
- break;
- default:
- Serial.println("Unknown event");
- break;
- }
- }
- void setup() {
- Serial.begin(9600);
- while(!Serial);
- Serial.println("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();
- //LMIC_setClockError(MAX_CLOCK_ERROR * 1/100);
- // Set static session parameters. Instead of dynamically establishing a session
- // by joining the network, precomputed session parameters are be provided.
- #ifdef PROGMEM
- // On AVR, these values are stored in flash and only copied to RAM
- // once. Copy them to a temporary buffer here, LMIC_setSession will
- // copy them into a buffer of its own again.
- uint8_t appskey[sizeof(APPSKEY)];
- uint8_t nwkskey[sizeof(NWKSKEY)];
- memcpy_P(appskey, APPSKEY, sizeof(APPSKEY));
- memcpy_P(nwkskey, NWKSKEY, sizeof(NWKSKEY));
- LMIC_setSession (0x1, DEVADDR, nwkskey, appskey);
- #else
- // If not running an AVR with PROGMEM, just use the arrays directly
- LMIC_setSession (0x1, DEVADDR, NWKSKEY, APPSKEY);
- #endif
- // Disable link check validation
- LMIC_setLinkCheckMode(0);
- // TTN uses SF9 for its RX2 window.
- LMIC.dn2Dr = DR_SF9;
- // Set data rate and transmit power (note: txpow seems to be ignored by the library)
- LMIC_setDrTxpow(DR_SF7,14);
- // Start job
- do_send(&sendjob);
- }
- void loop() {
- os_runloop_once();
- }
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