gps.h

#ifndef __GPS_H__
#define __GPS_H__

#include <TinyGPS++.h>
#include <HardwareSerial.h>

#define GPS_TX 12
#define GPS_RX 15

class gps
{
    public:
        void init();
        bool checkGpsFix();
        void buildPacket(uint8_t txBuffer[9]);
        void encode();
        double lat();
        double lng(); 
        void wakeup();
        void softwareReset();
        void enableSleep();
        void setLowPower();

    private:
        uint32_t LatitudeBinary, LongitudeBinary;
        uint16_t altitudeGps;
        uint8_t hdopGps;
        char t[32]; // used to sprintf for Serial output
        TinyGPSPlus tGps;
        uint8_t GPSpowersave[10] = { 0xB5, 0x62, 0x06, 0x11, 0x02, 0x00, 0x08, 0x01, 0x22, 0x92 };
        const byte RXM_PMREQ[12] = {0xB5, 0x62, 0x06, 0x04, 0x04, 0x00, 0x00, 0x00, 0x08, 0x00, 0x16, 0x74}; 
        // const byte RXM_PMREQ[16] {0xb5, 0x62, 0x02, 0x41, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x4d, 0x3b};   //power off until wakeup call
        uint8_t GPSon[16] = {0xB5, 0x62, 0x02, 0x41, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x4C, 0x37};
        //31.19 CFG-RST (0x06 0x04) checksum calculation https://gist.github.com/tomazas/3ab51f91cdc418f5704d
        byte CFG_RST[12] = {0xb5, 0x62, 0x06, 0x04, 0x04, 0x00, 0x00, 0x00, 0x01,0x00, 0x0F, 0x66};//Controlled Software reset
        byte CFG_RXM[10] = {0xb5, 0x62, 0x06, 0x11, 0x02, 0x00, 0x08,0x04,0x25, 0x95};//Controlled Software reset
};

#endif