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lorawan.cpp
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lorawan.cpp
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#include "lorawan.h"
#include "settings.h"
#include <hal/hal.h>
#include <SPI.h>
#include "io_pins.h"
#include "powerdown.h"
#include "functions.h"
#include "global.h"
// Pin mapping
const lmic_pinmap lmic_pins = {
.nss = PIN_LMIC_NSS,
.rxtx = LMIC_UNUSED_PIN,
.rst = PIN_LMIC_RST,
.dio = {PIN_LMIC_DIO0, PIN_LMIC_DIO1, PIN_LMIC_DIO2},
};
static uint8_t LORA_DATA[3];
// Schedule TX every this many seconds (might become longer due to duty cycle limitations).
unsigned TX_INTERVAL = LORA_TX_INTERVAL;
void os_getArtEui(u1_t *buf) { memcpy_P(buf, APPEUI, 8); }
void os_getDevEui(u1_t *buf) { memcpy_P(buf, DEVEUI, 8); }
void os_getDevKey(u1_t *buf) { memcpy_P(buf, APPKEY, 16); }
bool GO_DEEP_SLEEP = false;
void setTX_Interval(unsigned inter)
{
TX_INTERVAL = inter;
}
unsigned getTX_Interval()
{
return TX_INTERVAL;
}
void LoRaWANSetup()
{
Serial.println(F("LoRaWAN_Setup ..."));
// LMIC init
os_init();
// Reset the MAC state. Session and pending data transfers will be discarded.
LMIC_reset();
// Let LMIC compensate for +/- 1% clock error
LMIC_setClockError(MAX_CLOCK_ERROR * 1 / 100);
// Start job
LoRaWANDo_send(&sendjob);
}
void LoRaWANDo_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
{
LoRaWANGetData();
// Prepare upstream data transmission at the next possible time.
LMIC_setTxData2(1, LORA_DATA, sizeof(LORA_DATA), 0);
Serial.print(F("Packet queued - Payload: "));
for (size_t i = 0; i < sizeof(LORA_DATA); i++)
{
Serial.print(LORA_DATA[i], HEX);
}
Serial.println(" ");
}
// Next TX is scheduled after TX_COMPLETE event.
}
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"));
#ifndef DISABLE_JOIN
{
u4_t netid = 0;
devaddr_t devaddr = 0;
u1_t nwkKey[16];
u1_t artKey[16];
LMIC_getSessionKeys(&netid, &devaddr, nwkKey, artKey);
Serial.print("netid: ");
Serial.println(netid, DEC);
Serial.print("devaddr: ");
Serial.println(devaddr, HEX);
Serial.print("artKey: ");
for (size_t i = 0; i < sizeof(artKey); ++i)
{
Serial.print(artKey[i], HEX);
}
Serial.println("");
Serial.print("nwkKey: ");
for (size_t i = 0; i < sizeof(nwkKey); ++i)
{
Serial.print(nwkKey[i], HEX);
}
Serial.println("");
Serial.println("Alarmmode: Enabled!");
AlarmMode_Enabled = 1;
}
// Disable link check validation (automatically enabled
// during join, but because slow data rates change max TX
// size, we don't use it in this example.
LMIC_setLinkCheckMode(0);
#endif
break;
/*
|| This event is defined but not used in the code. No
|| point in wasting codespace on it.
||
|| case EV_SCAN_FOUND:
|| Serial.println(F("EV_SCAN_FOUND"));
|| break;
*/
case EV_JOIN_FAILED:
Serial.println(F("EV_JOIN_FAILED"));
break;
case EV_REJOIN_FAILED:
Serial.println(F("EV_REJOIN_FAILED"));
break;
case EV_TXCOMPLETE:
Serial.println(F("EV_TXCOMPLETE"));
if (LMIC.txrxFlags & TXRX_ACK)
{
Serial.println(F("Received ack"));
}
if (LMIC.dataLen)
{
Serial.print(LMIC.dataLen);
Serial.println(F(" bytes of payload"));
}
os_clearCallback(&sendjob); //Clear the SendQueue
// Schedule next transmission
os_setTimedCallback(&sendjob, os_getTime() + sec2osticks(TX_INTERVAL), LoRaWANDo_send);
// GO_DEEP_SLEEP = true; // if Deep_Sleep is activated, no Interrupts will work.
Serial.println("Next Package is scheduled.");
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;
/* This event is defined but not used in the code.
case EV_SCAN_FOUND:
DisplayPrintln(F("EV_SCAN_FOUND"), LORAWAN_STATE_DISPLAY_LINE);
break;
*/
case EV_TXSTART:
Serial.println(F("EV_TXSTART"));
break;
case EV_TXCANCELED:
Serial.println(F("EV_TXCANCELED"));
break;
case EV_RXSTART:
/* do not print anything -- it wrecks timing */
break;
case EV_JOIN_TXCOMPLETE:
Serial.println(F("EV_JOIN_TXCOMPLETE: no JoinAccept"));
break;
default:
Serial.print(F("Unknown event: "));
Serial.println((unsigned)ev);
break;
}
}
void LoRaWANDo(void)
{
if (GO_DEEP_SLEEP == true)
{
PowerDownTXIntervall();
GO_DEEP_SLEEP = false;
}
else
{
os_runloop_once();
}
}
void disableDeepSleep()
{
GO_DEEP_SLEEP = false;
}
void LoRaWANGetData()
{
uint8_t vcc = (ReadVcc() / 10) - 200;
LORA_DATA[0] = vcc; // VCC Voltage
LORA_DATA[1] = watchdog; // WatchDog
LORA_DATA[2] = door_state; // Door open/closed
}
void LoRaWANVersion()
{
Serial.print(F("LMIC: "));
Serial.print(ARDUINO_LMIC_VERSION_GET_MAJOR(ARDUINO_LMIC_VERSION));
Serial.print(F("."));
Serial.print(ARDUINO_LMIC_VERSION_GET_MINOR(ARDUINO_LMIC_VERSION));
Serial.print(F("."));
Serial.print(ARDUINO_LMIC_VERSION_GET_PATCH(ARDUINO_LMIC_VERSION));
Serial.print(F("."));
Serial.println(ARDUINO_LMIC_VERSION_GET_LOCAL(ARDUINO_LMIC_VERSION));
}