Quick & dirty port of the Adafruit library for their GPS Featherwing board. It is designed to be used with the MAX32630FTHR board.
Diff: gps.h
- Revision:
- 0:8fc18502886a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gps.h Sun Jun 11 04:06:22 2017 +0000 @@ -0,0 +1,141 @@ +/*********************************** +This is the Adafruit GPS library - the ultimate GPS library +for the ultimate GPS module! + +Tested and works great with the Adafruit Ultimate GPS module +using MTK33x9 chipset + ------> http://www.adafruit.com/products/746 +Pick one up today at the Adafruit electronics shop +and help support open source hardware & software! -ada + +Adafruit invests time and resources providing this open source code, +please support Adafruit and open-source hardware by purchasing +products from Adafruit! + +Written by Limor Fried/Ladyada for Adafruit Industries. +BSD license, check license.txt for more information +All text above must be included in any redistribution +****************************************/ +// Fllybob added lines 34,35 and 40,41 to add 100mHz logging capability +// +// Ported to mbed by Dan Julio - 5/2017 + +#ifndef _ADAFRUIT_GPS_H +#define _ADAFRUIT_GPS_H + +#include "mbed.h" + +// different commands to set the update rate from once a second (1 Hz) to 10 times a second (10Hz) +// Note that these only control the rate at which the position is echoed, to actually speed up the +// position fix you must also send one of the position fix rate commands below too. +#define PMTK_SET_NMEA_UPDATE_100_MILLIHERTZ "$PMTK220,10000*2F" // Once every 10 seconds, 100 millihertz. +#define PMTK_SET_NMEA_UPDATE_200_MILLIHERTZ "$PMTK220,5000*1B" // Once every 5 seconds, 200 millihertz. +#define PMTK_SET_NMEA_UPDATE_1HZ "$PMTK220,1000*1F" +#define PMTK_SET_NMEA_UPDATE_5HZ "$PMTK220,200*2C" +#define PMTK_SET_NMEA_UPDATE_10HZ "$PMTK220,100*2F" +// Position fix update rate commands. +#define PMTK_API_SET_FIX_CTL_100_MILLIHERTZ "$PMTK300,10000,0,0,0,0*2C" // Once every 10 seconds, 100 millihertz. +#define PMTK_API_SET_FIX_CTL_200_MILLIHERTZ "$PMTK300,5000,0,0,0,0*18" // Once every 5 seconds, 200 millihertz. +#define PMTK_API_SET_FIX_CTL_1HZ "$PMTK300,1000,0,0,0,0*1C" +#define PMTK_API_SET_FIX_CTL_5HZ "$PMTK300,200,0,0,0,0*2F" +// Can't fix position faster than 5 times a second! + + +#define PMTK_SET_BAUD_57600 "$PMTK251,57600*2C" +#define PMTK_SET_BAUD_9600 "$PMTK251,9600*17" + +// turn on only the second sentence (GPRMC) +#define PMTK_SET_NMEA_OUTPUT_RMCONLY "$PMTK314,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*29" +// turn on GPRMC and GGA +#define PMTK_SET_NMEA_OUTPUT_RMCGGA "$PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28" +// turn on ALL THE DATA +#define PMTK_SET_NMEA_OUTPUT_ALLDATA "$PMTK314,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0*28" +// turn off output +#define PMTK_SET_NMEA_OUTPUT_OFF "$PMTK314,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28" + +// to generate your own sentences, check out the MTK command datasheet and use a checksum calculator +// such as the awesome http://www.hhhh.org/wiml/proj/nmeaxor.html + +#define PMTK_LOCUS_STARTLOG "$PMTK185,0*22" +#define PMTK_LOCUS_STOPLOG "$PMTK185,1*23" +#define PMTK_LOCUS_STARTSTOPACK "$PMTK001,185,3*3C" +#define PMTK_LOCUS_QUERY_STATUS "$PMTK183*38" +#define PMTK_LOCUS_ERASE_FLASH "$PMTK184,1*22" +#define LOCUS_OVERLAP 0 +#define LOCUS_FULLSTOP 1 + +#define PMTK_ENABLE_SBAS "$PMTK313,1*2E" +#define PMTK_ENABLE_WAAS "$PMTK301,2*2E" + +// standby command & boot successful message +#define PMTK_STANDBY "$PMTK161,0*28" +#define PMTK_STANDBY_SUCCESS "$PMTK001,161,3*36" // Not needed currently +#define PMTK_AWAKE "$PMTK010,002*2D" + +// ask for the release and version +#define PMTK_Q_RELEASE "$PMTK605*31" + +// request for updates on antenna status +#define PGCMD_ANTENNA "$PGCMD,33,1*6C" +#define PGCMD_NOANTENNA "$PGCMD,33,0*6D" + +// how long to wait when we're looking for a response +#define MAXWAITSENTENCE 5 + + +class Adafruit_GPS { + public: + void begin(uint32_t baud); + + Adafruit_GPS(Serial *ser); // Constructor when using HardwareSerial + + char *lastNMEA(void); + bool newNMEAreceived(); + void common_init(void); + + void sendCommand(const char *); + + void pause(bool b); + + bool parseNMEA(char *response); + uint8_t parseHex(char c); + + char read(void); + void readNMEA(void); + bool parse(char *); + + bool wakeup(void); + bool standby(void); + + uint8_t hour, minute, seconds, year, month, day; + uint16_t milliseconds; + // Floating point latitude and longitude value in degrees. + float latitude, longitude; + // Fixed point latitude and longitude value with degrees stored in units of 1/100000 degrees, + // and minutes stored in units of 1/100000 degrees. See pull #13 for more details: + // https://github.com/adafruit/Adafruit-GPS-Library/pull/13 + int32_t latitude_fixed, longitude_fixed; + float latitudeDegrees, longitudeDegrees; + float geoidheight, altitude; + float speed, angle, magvariation, HDOP; + char lat, lon, mag; + bool fix; + uint8_t fixquality, satellites; + + bool waitForSentence(const char *wait, uint8_t max = MAXWAITSENTENCE); + bool LOCUS_StartLogger(void); + bool LOCUS_StopLogger(void); + bool LOCUS_ReadStatus(void); + + uint16_t LOCUS_serial, LOCUS_records; + uint8_t LOCUS_type, LOCUS_mode, LOCUS_config, LOCUS_interval, LOCUS_distance, LOCUS_speed, LOCUS_status, LOCUS_percent; + private: + bool paused; + + uint8_t parseResponse(char *response); + + Serial *gpsHwSerial; +}; + + +#endif