#include <Arduino.h>
#include <NMEAGPS.h>
#include <lmic.h>
#include <SPI.h>

#include <Wire.h>
#include <Adafruit_LSM303_U.h>
#include <Adafruit_BMP085_U.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_Sensor_Set.h>
#include <Adafruit_Simple_AHRS.h>
#include <Madgwick.h>
#include <Mahony.h>

// Accelerometer + Giro + ...

// Create sensor instances.
Adafruit_LSM303_Accel_Unified accel(30301);
Adafruit_LSM303_Mag_Unified   mag(30302);
Adafruit_BMP085_Unified       bmp(18001);

// Create simple AHRS algorithm using the above sensors.
Adafruit_Simple_AHRS          ahrs(&accel, &mag);

// Update this with the correct SLP for accurate altitude measurements
float seaLevelPressure = SENSORS_PRESSURE_SEALEVELHPA;

// GPS

#if defined( UBRR1H ) | defined( ID_USART0 )
  // Default is to use NeoSerial1 when available.  You could also
  #include <NeoHWSerial.h>
  // NOTE: There is an issue with IDEs before 1.6.6.  The above include
  // must be commented out for non-Mega boards, even though it is
  // conditionally included.  If you are using an earlier IDEs,
  // comment the above include.
#else
  // Only one serial port is available, uncomment one of the following:
  //#include <NeoICSerial.h>
  #include <NeoSWSerial.h>
  //#include <SoftwareSerial.h> /* NOT RECOMMENDED */
#endif
#define RX_PIN 4
#define TX_PIN 5
#include "GPSport.h"

#include "Streamers.h"
#ifdef NeoHWSerial_h
  #define DEBUG_PORT NeoSerial
#else
  #define DEBUG_PORT Serial
#endif

// Check configuration

#ifndef NMEAGPS_INTERRUPT_PROCESSING
  #error You must define NMEAGPS_INTERRUPT_PROCESSING in NMEAGPS_cfg.h!
#endif

static NMEAGPS   gps;

static void GPSisr( uint8_t c )
{
  gps.handle( c );

}

void setup()
{
  Serial.begin(9600);
  Serial.println(F("Adafruit 10 DOF Board AHRS Example")); Serial.println("");

  // GPS

  // Start the normal trace output
  DEBUG_PORT.begin(9600);
  while (!DEBUG_PORT)
    ;

  DEBUG_PORT.print( F("NMEA_isr.INO: started\n") );
  DEBUG_PORT.print( F("fix object size = ") );
  DEBUG_PORT.println( sizeof(gps.fix()) );
  DEBUG_PORT.print( F("NMEAGPS object size = ") );
  DEBUG_PORT.println( sizeof(gps) );
  DEBUG_PORT.println( F("Looking for GPS device on " USING_GPS_PORT) );

  trace_header( DEBUG_PORT );

  DEBUG_PORT.flush();

  ////////////////////// Setup End ///////////////////////////

  // Initialize the sensors.
  accel.begin();
  mag.begin();
  bmp.begin();

  // GPS

  // Start the UART for the GPS device
  gps_port.attachInterrupt( GPSisr );
  gps_port.begin( 9600 );
}

void loop(void)
{
  sensors_vec_t   orientation;

  // Use the simple AHRS function to get the current orientation.
  if (ahrs.getOrientation(&orientation))
  {
    /* 'orientation' should have valid .roll and .pitch fields */
    Serial.print(F("Orientation: "));
    Serial.print(orientation.roll);
    Serial.print(F(" "));
    Serial.print(orientation.pitch);
    Serial.print(F(" "));
    Serial.print(orientation.heading);
    Serial.println(F(""));
  }

  // Calculate the altitude using the barometric pressure sensor
  sensors_event_t bmp_event;
  bmp.getEvent(&bmp_event);
  if (bmp_event.pressure)
  {
    /* Get ambient temperature in C */
    float temperature;
    bmp.getTemperature(&temperature);
    /* Convert atmospheric pressure, SLP and temp to altitude */
    Serial.print(F("Alt: "));
    Serial.print(bmp.pressureToAltitude(seaLevelPressure,
                                        bmp_event.pressure,
                                        temperature));
    Serial.println(F(""));
    /* Display the temperature */
    Serial.print(F("Temp: "));
    Serial.print(temperature);
    Serial.println(F(""));

     if (gps.available()) {
    // Print all the things!
    trace_all( DEBUG_PORT, gps, gps.read() );
    }

  if (gps.overrun()) {
    gps.overrun( false );
    DEBUG_PORT.println( F("DATA OVERRUN: took too long to use gps.read() data!") );

    }

  }

  delay(1000);
}