void onEvent (ev_t ev)
{
debug_event(ev);
switch(ev)
{
// network joined, session established
case EV_JOINED:
debug_val("\r\nnetid = ", LMIC.netid);
// immediately prepare next transmission
debug_str("\r\nSending");
LMIC.frame[0] = LMIC.snr;
LMIC_setTxData2(1, LMIC.frame, 1, 0); // schedule transmission (port 1, datalen 1, no ack requested)
break;
// scheduled data sent (optionally data received)
case EV_TXCOMPLETE:
if(LMIC.dataLen) { // data received in rx slot after tx
debug_str("\r\nReceived:");
debug_buf(LMIC.frame+LMIC.dataBeg, LMIC.dataLen);
}
// immediately prepare next transmission
LMIC.frame[0] = LMIC.snr;
debug_val("\r\nSending:", LMIC.frame[0]);
// schedule transmission (port 1, datalen 1, no ack requested)
LMIC_setTxData2(1, LMIC.frame, 1, 0);
break;
}
}
void onEvent (ev_t ev)
{
debug_event(ev);
switch(ev)
{
// network joined, session established
case EV_JOINED:
debug_val("netid = ", LMIC.netid);
goto tx;
// scheduled data sent (optionally data received)
case EV_TXCOMPLETE:
if(LMIC.dataLen) { // data received in rx slot after tx
debug_buf(LMIC.frame+LMIC.dataBeg, LMIC.dataLen);
}
tx:
// immediately prepare next transmission
LMIC.frame[0] = LMIC.snr;
// schedule transmission (port 1, datalen 1, no ack requested)
LMIC_setTxData2(1, LMIC.frame, 1, 0);
// (will be sent as soon as duty cycle permits)
break;
default:
break;
}
}
// initial job
static void initfunc (osjob_t* j) {
LMIC_reset(); // reset MAC state
LMIC_setSession(0x12345678, 0xB710566C, nwkKey, artKey);
//LMIC_startJoining(); // start joining
// init done - onEvent() callback will be invoked...
/*void LMIC_setSession (u4_t netid, devaddr_t(u4_t) devaddr, xref2u1_t nwkKey, xref2u1_t artKey) {
LMIC.netid = netid;
LMIC.devaddr = devaddr;
if( nwkKey != (xref2u1_t)0 )
os_copyMem(LMIC.nwkKey, nwkKey, 16);
if( artKey != (xref2u1_t)0 )
os_copyMem(LMIC.artKey, artKey, 16);*/
debug_str("\r\nSending");
// immediately prepare next transmission
LMIC.frame[0] = LMIC.snr;
// schedule transmission (port 1, datalen 1, no ack requested)
LMIC_setTxData2(1, LMIC.frame, 1, 0);
// (will be sent as soon as duty cycle permits)
LMIC_sendAlive();
}
void do_send(osjob_t* j){
// Serial.print("Time: ");
// Serial.println(millis() / 1000);
printf("Time: %lu\n", (unsigned int) (millis() / 1000));
// Show TX channel (channel numbers are local to LMIC)
// Serial.print("Send, txCnhl: ");
// Serial.println(LMIC.txChnl);
// Serial.print("Opmode check: ");
printf("Send, txCnhl: %u Opmode check: ", LMIC.txChnl);
// Check if there is not a current TX/RX job running
if (LMIC.opmode & (1 << 7)) {
//Serial.println("OP_TXRXPEND, not sending");
printf("OP_TXRXPEND, not sending\n");
} else {
//Serial.println("ok");
printf("ok\n");
// Prepare upstream data transmission at the next possible time.
// LMIC_setTxData2(1, mydata, sizeof(mydata)-1, 0);
char buf[128];
sprintf(buf, "NYC TTN test packet %u\n", xmit_count++);
LMIC_setTxData2(1, (unsigned char *) buf, strlen(buf)-1, 0);
printf("sending %s\n", buf);
}
// Schedule a timed job to run at the given timestamp (absolute system time)
os_setTimedCallback(j, os_getTime()+sec2osticks(TRANSMIT_INTERVAL), do_send);
}
// report sensor value when change was detected
static void sensorfunc (osjob_t* j) {
// read sensor
u2_t val = readsensor();
debug_val("val = ", val);
// prepare and schedule data for transmission
LMIC.frame[0] = val << 8;
LMIC.frame[1] = val;
LMIC_setTxData2(1, LMIC.frame, 2, 0); // (port 1, 2 bytes, unconfirmed)
}
