#include "LoRaWan_APP.h"
#include "Arduino.h"
#include <Wire.h>
#include <MPU9250.h>
#include <math.h>
/*
set LoraWan_RGB to Active,the RGB active in loraWan
RGB red means sending;
RGB purple means joined done;
RGB blue means RxWindow1;
RGB yellow means RxWindow2;
RGB green means received done;
*/
/* OTAA para*/
uint8_t devEui[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t appEui[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t appKey[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
/* ABP para*/
uint8_t nwkSKey[] = { 0 };
uint8_t appSKey[] = { 0 };
uint32_t devAddr = ( uint32_t )0;
/*LoraWan channelsmask, default channels 0-7*/
uint16_t userChannelsMask[6] = { 0xFF00, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 };
/*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].*/
// float dc = 1;
uint32_t appTxDutyCycle = (60 * 10000);
/*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 = 2;
/*!
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 = 4;
#define buttonPin GPIO6
// variables will change:
int buttonState = 1; // variable for reading the pushbutton status, can be used for interupts.
/* Prepares the payload of the frame */
MPU9250 mySensor;
static void prepareTxFrame( uint8_t port )
{
float eP, eR, eH, Heading, Pitch, Roll, Alert; //e is the converted to euler angles for PRH
/* Get a new sensor event */
// read the state of the pushbutton value:
buttonState = digitalRead(buttonPin);
pinMode(Vext, OUTPUT);
digitalWrite(Vext, LOW);
Wire.begin();
mySensor.setWire(&Wire);
mySensor.beginAccel();
mySensor.beginGyro();
mySensor.beginMag();
mySensor.accelUpdate();
mySensor.gyroUpdate();
mySensor.magUpdate();
Wire.end();
mySensor.computeEulerAngles();
uint16_t batteryVoltage = getBatteryVoltage();
eP = mySensor.pitch();
eR = mySensor.roll();
eH = mySensor.yaw();
Heading = (roundf ( eH * 100.00));
Pitch = (roundf (eP * 100.00));
Roll = (roundf (eR * 100.00));
if (buttonState == HIGH) {
Alert = 0;
}
else {
Alert = 1;
}
Serial.print("Current Pitch:");
Serial.println(eP);
Serial.print("Current Roll:");
Serial.println(eR);
Serial.print("Current Heading:");
Serial.println(eH);
Serial.print("BatteryVoltage:");
Serial.println(batteryVoltage);
Serial.print("Float Alert:");
Serial.println(Alert);
unsigned char *puc;
puc = (unsigned char *)(&Heading);
appDataSize = 20;
appData[0] = puc[0];
appData[1] = puc[1];
appData[2] = puc[2];
appData[3] = puc[3];
puc = (unsigned char *)(&Pitch);
appData[4] = puc[0];
appData[5] = puc[1];
appData[6] = puc[2];
appData[7] = puc[3];
puc = (unsigned char *)(&Roll);
appData[8] = puc[0];
appData[9] = puc[1];
appData[10] = puc[2];
appData[11] = puc[3];
puc = (unsigned char *) (&Alert);
appData[12] = puc [0];
appData[13] = puc [1];
appData[14] = puc [2];
appData[15] = puc [3];
appData[16] = (uint8_t)(batteryVoltage >> 8);
appData[17] = (uint8_t)batteryVoltage;
}
void setup() {
Serial.begin(115200);
#if(AT_SUPPORT)
enableAt();
#endif
deviceState = DEVICE_STATE_INIT;
LoRaWAN.ifskipjoin();
}
void loop()
{ // read the state of the pushbutton value:
// buttonState = digitalRead(buttonPin);
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:
{
LoRaWAN.sleep();
break;
}
default:
{
deviceState = DEVICE_STATE_INIT;
break;
}
}
}
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