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#include "LoRaWan_APP.h"
#include "Arduino.h"
/* OTAA para*/
uint8_t devEui[] = { 0x22, 0x32, 0x33, 0x00, 0x00, 0x88, 0x88, 0x02 };
uint8_t appEui[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t appKey[] = { 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x66, 0x01 };
/* ABP para*/
uint8_t nwkSKey[] = { 0x15, 0xb1, 0xd0, 0xef, 0xa4, 0x63, 0xdf, 0xbe, 0x3d, 0x11, 0x18, 0x1e, 0x1e, 0xc7, 0xda,0x85 };
uint8_t appSKey[] = { 0xd7, 0x2c, 0x78, 0x75, 0x8c, 0xdc, 0xca, 0xbf, 0x55, 0xee, 0x4a, 0x77, 0x8d, 0x16, 0xef,0x67 };
uint32_t devAddr = ( uint32_t )0x007e6ae1;
// The interrupt pin is attached to D4/GPIO1
#define INT_PIN GPIO1
/* Application port */
#define DEVPORT 2
#define APPPORT 1
bool accelWoke = false;
/*LoraWan region, select in arduino IDE tools*/
LoRaMacRegion_t loraWanRegion = ACTIVE_REGION;
/*LoraWan Class, Class A and Class C are supported*/
DeviceClass_t loraWanClass = LORAWAN_CLASS;
/*the application data transmission duty cycle. value in [ms].*/
uint32_t appTxDutyCycle = (24 * 60 * 60 * 1000); // 24h;
/*OTAA or ABP*/
bool overTheAirActivation = LORAWAN_NETMODE;
/*ADR enable*/
bool loraWanAdr = LORAWAN_ADR;
/* set LORAWAN_Net_Reserve ON, the node could save the network info to flash, when node reset not need to join again */
bool keepNet = LORAWAN_NET_RESERVE;
/* Indicates if the node is sending confirmed or unconfirmed messages */
bool isTxConfirmed = LORAWAN_UPLINKMODE;
/* Application port */
uint8_t appPort = DEVPORT;
/*!
* Number of trials to transmit the frame, if the LoRaMAC layer did not
* receive an acknowledgment. The MAC performs a datarate adaptation,
* according to the LoRaWAN Specification V1.0.2, chapter 18.4, according
* to the following table:
*
* Transmission nb | Data Rate
* ----------------|-----------
* 1 (first) | DR
* 2 | DR
* 3 | max(DR-1,0)
* 4 | max(DR-1,0)
* 5 | max(DR-2,0)
* 6 | max(DR-2,0)
* 7 | max(DR-3,0)
* 8 | max(DR-3,0)
*
* Note, that if NbTrials is set to 1 or 2, the MAC will not decrease
* the datarate, in case the LoRaMAC layer did not receive an acknowledgment
*/
uint8_t confirmedNbTrials = 8;
/* Prepares the payload of the frame */
static bool prepareTxFrame( uint8_t port )
{
int head;
appPort = port;
switch (port) {
case 1: // woke up from interrupt
Serial.println("Sending data packet");
appDataSize = 1;//AppDataSize max value is 64
appData[0] = 0xFF; // set to something useful
break;
case 2: // daily wake up
Serial.println("Sending dev status packet");
appDataSize = 1;//AppDataSize max value is 64
appData[0] = 0xA0; // set to something else useful
break;
}
return true;
}
void accelWakeup()
{
delay(10);
if(digitalRead(INT_PIN)==HIGH)
{
accelWoke = true;
}
}
void setup() {
boardInitMcu();
Serial.begin(115200);
#if(AT_SUPPORT)
enableAt();
#endif
deviceState = DEVICE_STATE_INIT;
LoRaWAN.ifskipjoin();
accelWoke = false;
PINMODE_INPUT_PULLDOWN(INT_PIN);
attachInterrupt(INT_PIN, accelWakeup, RISING);
Serial.println("Interrupts attached");
}
void loop()
{
if (accelWoke) {
uint32_t now = TimerGetCurrentTime();
Serial.print(now); Serial.println("accel woke");
}
switch( deviceState )
{
case DEVICE_STATE_INIT:
{
#if(AT_SUPPORT)
getDevParam();
#endif
printDevParam();
LoRaWAN.init(loraWanClass,loraWanRegion);
deviceState = DEVICE_STATE_JOIN;
break;
}
case DEVICE_STATE_JOIN:
{
LoRaWAN.join();
break;
}
case DEVICE_STATE_SEND:
{
prepareTxFrame( appPort );
LoRaWAN.send();
deviceState = DEVICE_STATE_CYCLE;
break;
}
case DEVICE_STATE_CYCLE:
{
// Schedule next packet transmission
txDutyCycleTime = appTxDutyCycle + randr( 0, APP_TX_DUTYCYCLE_RND );
LoRaWAN.cycle(txDutyCycleTime);
deviceState = DEVICE_STATE_SLEEP;
break;
}
case DEVICE_STATE_SLEEP:
{
if (accelWoke) {
if (IsLoRaMacNetworkJoined) {
if(prepareTxFrame(APPPORT)) {
LoRaWAN.send();
}
}
accelWoke = false;
}
LoRaWAN.sleep();
break;
}
default:
{
deviceState = DEVICE_STATE_INIT;
break;
}
}
}
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