diff --git a/examples/flora_dumplog/flora_gpsdump.ino b/examples/flora_dumplog/flora_gpsdump.ino new file mode 100644 index 0000000..2814fcd --- /dev/null +++ b/examples/flora_dumplog/flora_gpsdump.ino @@ -0,0 +1,41 @@ +#include +#include +Adafruit_GPS GPS(&Serial1); + +// Set GPSECHO to 'false' to turn off echoing the GPS data to the Serial console +// Set to 'true' if you want to debug and listen to the raw GPS sentences +#define GPSECHO true + +// this keeps track of whether we're using the interrupt +// off by default! +boolean usingInterrupt = false; + +void setup() +{ + while (!Serial); + // connect at 115200 so we can read the GPS fast enuf and + // also spit it out + Serial.begin(115200); + Serial.println("Adafruit GPS logging dump test!"); + + // 9600 NMEA is the default baud rate for MTK - some use 4800 + GPS.begin(9600); + + GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_OFF); + + while (Serial1.available()) + Serial1.read(); + + delay(1000); + GPS.sendCommand("$PMTK622,1*29"); + Serial.println("----------------------------------------------------"); +} + + +void loop() // run over and over again +{ + if (Serial1.available()) { + char c = Serial1.read(); + if (c) Serial.print(c); + } +} diff --git a/examples/flora_gpslog/flora_gpslog.ino b/examples/flora_gpslog/flora_gpslog.ino new file mode 100644 index 0000000..ba29a06 --- /dev/null +++ b/examples/flora_gpslog/flora_gpslog.ino @@ -0,0 +1,81 @@ +#include +#include +Adafruit_GPS GPS(&Serial1); + +// Set GPSECHO to 'false' to turn off echoing the GPS data to the Serial console +// Set to 'true' if you want to debug and listen to the raw GPS sentences +#define GPSECHO true + +// this keeps track of whether we're using the interrupt +// off by default! +boolean usingInterrupt = false; + +void setup() +{ + //while (!Serial); + // connect at 115200 so we can read the GPS fast enuf and + // also spit it out + Serial.begin(115200); + Serial.println("Adafruit GPS logging start test!"); + + // 9600 NMEA is the default baud rate for MTK - some use 4800 + GPS.begin(9600); + + // You can adjust which sentences to have the module emit, below + // Default is RMC + GGA + GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA); + // Default is 1 Hz update rate + GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ); + + // the nice thing about this code is you can have a timer0 interrupt go off + // every 1 millisecond, and read data from the GPS for you. that makes the + // loop code a heck of a lot easier! + useInterrupt(true); + + delay(500); + while (true) { + Serial.print("Starting logging...."); + if (GPS.LOCUS_StartLogger()) { + Serial.println(" STARTED!"); + break; + } else { + Serial.println(" no response :("); + } + } +} + + + +void loop() // run over and over again +{ + pinMode(7, OUTPUT); + digitalWrite(7, HIGH); + delay(200); + digitalWrite(7, LOW); + delay(200); +} + +/******************************************************************/ +// Interrupt is called once a millisecond, looks for any new GPS data, and stores it +SIGNAL(TIMER0_COMPA_vect) { + char c = GPS.read(); + // if you want to debug, this is a good time to do it! + if (GPSECHO) + if (c) Serial.print(c); +} + +void useInterrupt(boolean v) { + if (v) { + // Timer0 is already used for millis() - we'll just interrupt somewhere + // in the middle and call the "Compare A" function above + OCR0A = 0xAF; + TIMSK0 |= _BV(OCIE0A); + usingInterrupt = true; + } else { + // do not call the interrupt function COMPA anymore + TIMSK0 &= ~_BV(OCIE0A); + usingInterrupt = false; + } +} + + diff --git a/examples/flora_parsing/flora_parsing.ino b/examples/flora_parsing/flora_parsing.ino new file mode 100644 index 0000000..d8897ad --- /dev/null +++ b/examples/flora_parsing/flora_parsing.ino @@ -0,0 +1,134 @@ +// Test code for Adafruit Flora GPS modules +// +// This code shows how to listen to the GPS module in an interrupt +// which allows the program to have more 'freedom' - just parse +// when a new NMEA sentence is available! Then access data when +// desired. +// +// Tested and works great with the Adafruit Flora GPS module +// ------> http://adafruit.com/products/1059 +// Pick one up today at the Adafruit electronics shop +// and help support open source hardware & software! -ada + +#include +#include +Adafruit_GPS GPS(&Serial1); + +// Set GPSECHO to 'false' to turn off echoing the GPS data to the Serial console +// Set to 'true' if you want to debug and listen to the raw GPS sentences +#define GPSECHO true + +// this keeps track of whether we're using the interrupt +// off by default! +boolean usingInterrupt = false; + +void setup() +{ + // connect at 115200 so we can read the GPS fast enough and echo without dropping chars + // also spit it out + Serial.begin(115200); + Serial.println("Adafruit GPS library basic test!"); + + // 9600 NMEA is the default baud rate for Adafruit MTK GPS's- some use 4800 + GPS.begin(9600); + + // uncomment this line to turn on RMC (recommended minimum) and GGA (fix data) including altitude + GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA); + // uncomment this line to turn on only the "minimum recommended" data + //GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCONLY); + // For parsing data, we don't suggest using anything but either RMC only or RMC+GGA since + // the parser doesn't care about other sentences at this time + + // Set the update rate + GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ); // 1 Hz update rate + // For the parsing code to work nicely and have time to sort thru the data, and + // print it out we don't suggest using anything higher than 1 Hz + + // the nice thing about this code is you can have a timer0 interrupt go off + // every 1 millisecond, and read data from the GPS for you. that makes the + // loop code a heck of a lot easier! + useInterrupt(true); + + delay(1000); + // Ask for firmware version + Serial1.println(PMTK_Q_RELEASE); +} + + +// Interrupt is called once a millisecond, looks for any new GPS data, and stores it +SIGNAL(TIMER0_COMPA_vect) { + char c = GPS.read(); + // if you want to debug, this is a good time to do it! + if (GPSECHO) + if (c) Serial.print(c); +} + +void useInterrupt(boolean v) { + if (v) { + // Timer0 is already used for millis() - we'll just interrupt somewhere + // in the middle and call the "Compare A" function above + OCR0A = 0xAF; + TIMSK0 |= _BV(OCIE0A); + usingInterrupt = true; + } else { + // do not call the interrupt function COMPA anymore + TIMSK0 &= ~_BV(OCIE0A); + usingInterrupt = false; + } +} + +uint32_t timer = millis(); +void loop() // run over and over again +{ + // in case you are not using the interrupt above, you'll + // need to 'hand query' the GPS, not suggested :( + if (! usingInterrupt) { + // read data from the GPS in the 'main loop' + char c = GPS.read(); + // if you want to debug, this is a good time to do it! + if (GPSECHO) + if (c) Serial.print(c); + } + + // if a sentence is received, we can check the checksum, parse it... + if (GPS.newNMEAreceived()) { + // a tricky thing here is if we print the NMEA sentence, or data + // we end up not listening and catching other sentences! + // so be very wary if using OUTPUT_ALLDATA and trytng to print out data + //Serial.println(GPS.lastNMEA()); // this also sets the newNMEAreceived() flag to false + + if (!GPS.parse(GPS.lastNMEA())) // this also sets the newNMEAreceived() flag to false + return; // we can fail to parse a sentence in which case we should just wait for another + } + + // if millis() or timer wraps around, we'll just reset it + if (timer > millis()) timer = millis(); + + // approximately every 2 seconds or so, print out the current stats + if (millis() - timer > 2000) { + timer = millis(); // reset the timer + + Serial.print("\nTime: "); + Serial.print(GPS.hour, DEC); Serial.print(':'); + Serial.print(GPS.minute, DEC); Serial.print(':'); + Serial.print(GPS.seconds, DEC); Serial.print('.'); + Serial.println(GPS.milliseconds); + Serial.print("Date: "); + Serial.print(GPS.day, DEC); Serial.print('/'); + Serial.print(GPS.month, DEC); Serial.print("/20"); + Serial.println(GPS.year, DEC); + Serial.print("Fix: "); Serial.print((int)GPS.fix); + Serial.print(" quality: "); Serial.println((int)GPS.fixquality); + if (GPS.fix) { + Serial.print("Location: "); + Serial.print(GPS.latitude, 4); Serial.print(GPS.lat); + Serial.print(", "); + Serial.print(GPS.longitude, 4); Serial.println(GPS.lon); + + Serial.print("Speed (knots): "); Serial.println(GPS.speed); + Serial.print("Angle: "); Serial.println(GPS.angle); + Serial.print("Altitude: "); Serial.println(GPS.altitude); + Serial.print("Satellites: "); Serial.println((int)GPS.satellites); + } + } +} \ No newline at end of file