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Merge pull request #30 from flybob/master 

Ultimate GPS
This commit is contained in:
Tony DiCola 2014-08-15 18:37:42 -07:00
parent 240f1bbdea 1a8a9f46c4
commit f72d2acb50
2 changed files with 7 additions and 2 deletions
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5
Adafruit_GPS.h
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@ -16,6 +16,7 @@ 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
#ifndef _ADAFRUIT_GPS_H
#define _ADAFRUIT_GPS_H
@ -31,10 +32,14 @@ All text above must be included in any redistribution
// 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.
// added line below for 10 sec update
#define PMTK_SET_NMEA_UPDATE_100mHZ "$PMTK220,10000*2F"
#define PMTK_SET_NMEA_UPDATE_1HZ "$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.
// added line below for 10 sec update
#define PMTK_API_SET_FIX_CTL_100mHZ "$PMTK300,10000,0,0,0,0*2C"
#define PMTK_API_SET_FIX_CTL_1HZ "$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!

4
examples/shield_sdlog/shield_sdlog.ino
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@ -16,7 +16,7 @@
// ------> http://www.adafruit.com/products/
// Pick one up today at the Adafruit electronics shop
// and help support open source hardware & software! -ada
// Fllybob added 10 sec logging option
SoftwareSerial mySerial(8, 7);
Adafruit_GPS GPS(&mySerial);
@ -124,7 +124,7 @@ void setup() {
// For logging data, we don't suggest using anything but either RMC only or RMC+GGA
// to keep the log files at a reasonable size
// Set the update rate
GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ); // 1 or 5 Hz update rate
GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ); // 100mHz,1Hz or 5Hz update rate
// Turn off updates on antenna status, if the firmware permits it
GPS.sendCommand(PGCMD_NOANTENNA);