Arduino Yun Mini + Adafruit Ultimate GPS
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| // Arduino YUN mini connected to a Adafruit Ultimate GPS | |
| // Copyright (C) 2017 https://www.roboticboat.uk | |
| // d7ea1aa3-5c61-4c79-b070-bd7fb060b852 | |
| // | |
| // This program is free software: you can redistribute it and/or modify | |
| // it under the terms of the GNU General Public License as published by | |
| // the Free Software Foundation, either version 3 of the License, or | |
| // (at your option) any later version. | |
| // | |
| // This program is distributed in the hope that it will be useful, | |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| // GNU General Public License for more details. | |
| // | |
| // You should have received a copy of the GNU General Public License | |
| // along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| // These Terms shall be governed and construed in accordance with the laws of | |
| // England and Wales, without regard to its conflict of law provisions. | |
| #include <Bridge.h> | |
| #include <YunServer.h> | |
| #include <YunClient.h> | |
| #include <SoftwareSerial.h> | |
| // gpsSerial(receive from GPS,transmit to the GPS module) | |
| SoftwareSerial gpsSerial(10,11); | |
| // The one global server object listening for incoming connections. | |
| #define PORT 23 | |
| YunServer Server(PORT); | |
| // Define an array of simultaneous clients | |
| #define NUM_CLIENTS 1 | |
| YunClient clients[NUM_CLIENTS]; | |
| // Global variables | |
| String inputSerial1 = ""; // a string to hold incoming data | |
| String inputStore = ""; | |
| boolean IsReadySerial1 = false; // whether the string is complete | |
| void setup() | |
| { | |
| Bridge.begin(); | |
| Server.noListenOnLocalhost(); // Listen for external connections | |
| Server.begin(); | |
| //Receive from the GPS device (the NMEA sentences) - Green wire | |
| pinMode(10, INPUT); | |
| //Transmit to the GPS device - Yellow wire | |
| pinMode(11, OUTPUT); | |
| // Keep the User informed | |
| Serial.begin(9600); | |
| Serial.println("Initializing GPS"); | |
| gpsSerial.begin(9600); | |
| delay(100); | |
| // The Adafruit GPS flashes every second while search. Once every 15 seconds once a fix is found | |
| // | |
| // $GPGGA,094728.000,5126.4900,N,00016.0200,E,2,08,1.30,19.4,M,47.0,M,0000,0000*52 | |
| // $GPGSA,A,3,05,20,13,24,15,30,28,17,,,,,2.08,1.30,1.63*06 | |
| // $GPRMC,094728.000,A,5126.4900,N,00016.0200,E,0.01,259.87,310318,,,D*6B | |
| // $GPVTG,259.87,T,,M,0.01,N,0.02,K,D*3A | |
| // $GPGGA,094729.000,5126.4900,N,00016.0200,E,2,08,1.30,19.4,M,47.0,M,0000,0000*53 | |
| // $GPGSA,A,3,05,20,13,24,15,30,28,17,,,,,2.08,1.30,1.63*06 | |
| // $GPRMC,094729.000,A,5126.4900,N,00016.0200,E,0.00,264.45,310318,,,D*6B | |
| // $GPVTG,264.45,T,,M,0.00,N,0.01,K,D*38 | |
| //gpsSerial.println("$PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28"); | |
| gpsSerial.println("$PMTK314,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*27"); | |
| delay(100); | |
| // Reserve 200 bytes for the inputSerial1 string | |
| inputSerial1.reserve(200); | |
| } | |
| void loop() | |
| { | |
| while (gpsSerial.available()) | |
| { | |
| // Read the new byte: | |
| char nextChar = (char)gpsSerial.read(); | |
| // Append to the inputSerial1 string | |
| inputSerial1 += nextChar; | |
| // If a newline, then set flag so that the main loop will process the string | |
| if (nextChar == '\n') { | |
| inputStore = inputSerial1; | |
| inputSerial1 = ""; | |
| } | |
| } | |
| // Process every client | |
| for (byte i = 0; i<NUM_CLIENTS; i++) | |
| { | |
| if (clients[i].connected()) // Is it connected? | |
| process(i); // It's connected, process the client | |
| else | |
| { | |
| if ((bool)clients[i]) // Not connected. Is the client open? | |
| { | |
| // The client is not connected, but is currently open. | |
| Serial.print("Lost connection to client "); | |
| Serial.println(i); | |
| clients[i].stop(); // Close and clean up the old connection | |
| } | |
| // At this point, the client is not connected, and is closed. | |
| clients[i] = Server.accept(); // Try to establish a connection. | |
| if (clients[i].connected()) // Was a connection made? | |
| { | |
| Serial.println("New connection on client "); | |
| //Serial.println(i); | |
| clients[i].print(inputStore); | |
| clients[i].stop(); | |
| } | |
| } | |
| } | |
| } | |
| void process(byte index) | |
| { | |
| // Read and echo all available data from the client. | |
| String str = ""; | |
| // Read all available data, append to string | |
| while (clients[index].available()) | |
| str = str + (char)clients[index].read(); | |
| // Trim off non-printable characters. | |
| str.trim(); | |
| // Got something? If so, print out what was recevied, send client ID back to other side | |
| if (str.length() > 0) | |
| { | |
| Serial.print("Received from client "); | |
| Serial.print(index); | |
| Serial.println(": received \"" + str + "\""); | |
| clients[index].print("Client "); | |
| clients[index].println(index); | |
| } | |
| } | |