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210 lines
4.2 KiB
210 lines
4.2 KiB
//#include <LiquidCrystal.h>
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#include <Wire.h>
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#include <inttypes.h>
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#include <LCDi2cW.h>
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LCDi2cW lcd = LCDi2cW(4, 20, 0x4C, 0);
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uint8_t rows = 4;
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uint8_t cols = 20;
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uint8_t timeset = 0;
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int clearneeded;
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//LiquidCrystal lcd(12,11,10,9,8,7);
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bool ledState = LOW;
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volatile bool ppsTriggered = false;
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char serialBuffer[100];
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///////////////////////
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void ppsHandler(void);
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void ppsHandler(void)
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{
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ppsTriggered = true;
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}
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//////////////////////////////////
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void pulseTheTime(int);
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void pulseTheTime(long counter) {
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digitalWrite(4, HIGH); //pulse the reset output
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delay(10);
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digitalWrite(4, LOW);
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for (int x = 0; x < counter; x++) { //count up the time for right now.
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//digitalWrite(5,HIGH);
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//delay(1);
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digitalWrite(5, LOW);
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digitalWrite(5, HIGH);
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digitalWrite(5, LOW);
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}
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return;
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}
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/////////////////////////////////////////////////////////////////////////
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void setup() {
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//lcd.begin(20, 2);
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lcd.init();
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lcd.clear();
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lcd.write(" ---[RuhNet GPS]---");
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lcd.setCursor(0, 1);
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//lcd.write("PROGRAM STARTING...");
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lcd.print("PROGRAM STARTING...");
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Serial.begin(4800);
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pinMode(13, OUTPUT);
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pinMode(6, OUTPUT);
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pinMode(5, OUTPUT);
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pinMode(4, OUTPUT);
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pinMode(3, OUTPUT);
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digitalWrite(5, LOW);
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//pulseTheTime(1000);
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pinMode(2, INPUT);
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attachInterrupt(digitalPinToInterrupt(2), ppsHandler, RISING);
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for (int x = 0; x < 20; x++) {
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digitalWrite(13, HIGH);
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delay(10);
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digitalWrite(13, LOW);
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delay(10);
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}
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lcd.clear();
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}
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//////////////////////////////////////////////
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void loop() {
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lcd.setCursor(0, 0);
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if (ppsTriggered) {
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ppsTriggered = false;
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ledState = !ledState;
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digitalWrite(13, ledState);
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digitalWrite(5, LOW);
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digitalWrite(5, HIGH);
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digitalWrite(5, LOW);
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//digitalWrite(7, ledState);
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}
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if (Serial.available()) {
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// wait a bit for the entire message to arrive
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delay(400);
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while (Serial.available() > 0) {
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for (int n = 0; n < 100; n++) {
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serialBuffer[n] = Serial.read();
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}
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}
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String gpsString = serialBuffer;
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char gpsValid = gpsString.charAt(18);
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lcd.print(gpsString.substring(7, 9));
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lcd.print(":");
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lcd.print(gpsString.substring(9, 11));
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lcd.print(":");
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lcd.print(gpsString.substring(11, 13));
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lcd.print(" UTC");
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lcd.print(" ruel.io");
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String timestring = gpsString.substring(7, 9) + gpsString.substring(9, 11) + gpsString.substring(11, 13);
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// int timeint = (gpsString.substring(7,9) + gpsString.substring(9, 11) + gpsString.substring(11, 13)).toInt();
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long timeint = timestring.toInt();
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long advance = 0;
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if (!timeset) {
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advance = 2;
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pulseTheTime(advance);
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advance = timeint;
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pulseTheTime(advance);
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timeset = 1;
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}
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if (gpsString.substring(11, 13) == "00") {
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advance = 40;
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pulseTheTime(advance);
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}
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if (gpsString.substring(9, 11) == "00") {
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advance = 4040;
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pulseTheTime(advance);
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}
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//String test = gpsString.substring(11,13);
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lcd.setCursor(0, 3);
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//lcd.print(timeint);
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//clearneeded = 0;
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clearneeded--;
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if (advance > 0) {
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lcd.setCursor(0, 3);
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lcd.print("Advance Pulse:");
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clearneeded = 2;
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lcd.print(advance);
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} else if (!clearneeded) {
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lcd.print("GPS SYNC TIME");
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lcd.print(" ");
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lcd.write(127);
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lcd.print(" |");
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//lcd.print(gpsString.substring(11,13));
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}
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lcd.setCursor(0, 2);
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if (gpsValid == 'V') {
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lcd.print(" NO POSITION LOCK ");
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lcd.setCursor(0, 1);
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if (ledState) {
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lcd.print("--**<RuhNet GPS>**--");
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} else {
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lcd.print("Searching for GPS...");
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}
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// digitalWrite(8,LOW); //lock indicator LED
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} else {
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lcd.print(" GPS LOCK");
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lcd.setCursor(0, 1);
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lcd.print(gpsString.substring(20, 22));
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lcd.print(".");
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lcd.print(gpsString.substring(22, 24));
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lcd.print(gpsString.substring(25, 27));
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lcd.print("N ");
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lcd.print(gpsString.substring(33, 35));
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lcd.print(".");
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lcd.print(gpsString.substring(35, 37));
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lcd.print(gpsString.substring(38, 40));
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lcd.print("W ");
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lcd.print(gpsString.substring(40, 42));
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//digitalWrite(8,HIGH); //lock indicator LED
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}
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}
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}
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