mirror of
https://github.com/cosmic-pi-deprecated/cosmicpi-arduino_V1.6.git
synced 2026-05-12 16:09:25 +00:00
50 lines
1.8 KiB
Arduino
50 lines
1.8 KiB
Arduino
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// WARNING: One up the spout !!
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// The GPS chip puts the next nmea string in its output buffer
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// only if its been read, IE its empty.
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// So if you read infrequently the string in the buffer is old and
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// has the WRONG time !!! The string lies around like a bullet in
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// the breach waiting for some mug.
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//I don't know who wrote that comment.. I'm guessing it was Julian!
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boolean pipeGPS() {
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while (Serial1.available()) {
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char c[2];
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c[0] = Serial1.read();
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c[1]='\0'; //null character for termination required.
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aSer->print(c);
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}
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}
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// GPS setup
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void GpsSetup() {
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// definitions for different outputs
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// only one of these strings can be used at a time
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// otherwise they will overwrite each other
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// for more information take a look at the QUECTEL L70 protocoll specification: http://docs-europe.electrocomponents.com/webdocs/147d/0900766b8147dbdd.pdf
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#define RMCGGA "$PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28" // RCM & GGA
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#define ZDA "$PMTK314,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0*29" // ZDA
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#define GGAZDA "$PMTK314,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0*28" // GGA & ZDA
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#define GGA "$PMTK314,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*29" // GGA
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// gets the firmware version
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#define FMWVERS "$PMTK605*31" // PMTK_Q_RELEASE
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// Sets the update intervall
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#define NORMAL "$PMTK220,1000*1F" // PMTK_SET_NMEA_UPDATE_1HZ
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// disables updates for the antenna status (only Adafruit ultimate GPS?)
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#define NOANTENNA "$PGCMD,33,0*6D" // PGCMD_NOAN
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delay(5000); //added delay to give GPS time to boot.
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Serial1.println(NOANTENNA);
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Serial1.println(GGAZDA);
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Serial1.println(NORMAL);
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Serial1.println(FMWVERS);
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delay(10000); //wait a bit longer and repeat just in case it hasn't booted
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Serial1.println(NOANTENNA);
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Serial1.println(GGAZDA);
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Serial1.println(NORMAL);
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Serial1.println(FMWVERS);
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}
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