arduno uno GPS OLED 輸出

喵的咧 用U8g2來寫直接記憶體爆掉
完整程式碼如下

#include <SoftwareSerial.h>

#include <TinyGPS++.h>

//#include <Arduino.h>

//#include <U8g2lib.h>

#include <U8x8lib.h>

//#ifdef U8X8_HAVE_HW_SPI

#include <SPI.h>

//#endif

//#ifdef U8X8_HAVE_HW_I2C

//#include <Wire.h>

//#endif

U8X8_SSD1306_128X64_NONAME_SW_I2C u8x8(/* clock=*/ SCL, /* data=*/ SDA, /* reset=*/ U8X8_PIN_NONE);   // OLEDs without Reset of the Display

//U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2(U8G2_R0, /* clock=*/ SCL, /* data=*/ SDA, /* reset=*/ U8X8_PIN_NONE);   // All Boards without Reset of the Display

int RXPin = 2;

int TXPin = 3;

int GPSBaud = 9600;

SoftwareSerial gpsSerial(RXPin, TXPin);

TinyGPSPlus gps; // Create a TinyGPS++ object



void setup(void) {

  u8x8.begin();

  u8x8.setPowerSave(0);

  Serial.begin(9600);

  gpsSerial.begin(GPSBaud);

}



void monShow(float La,float Lo,float Al){

  //u8g2.clearBuffer();         // clear the internal memory

  u8x8.clear();

  u8x8.setFont(u8x8_font_chroma48medium8_r); // choose a suitable font   u8g2_font_ncenB08_tr  u8g2_font_pcsenior_8u

  u8x8.setCursor(0,10);  // write something to the internal memory

  u8x8.print("Latitude:");

  u8x8.print(La);

  u8x8.setCursor(0,20);

  u8x8.print("Longitude:");

  u8x8.print(Lo);

  u8x8.setCursor(0,30);

  u8x8.print("Altitude:");

  u8x8.print(Al);

  //u8g2.sendBuffer();          // transfer internal memory to the display

  u8x8.refreshDisplay();

  delay(1000);

}

void monShow_not_ava(){        // clear the internal memory

  u8x8.clear();

  u8x8.setFont(u8x8_font_chroma48medium8_r); // choose a suitable font   u8g2_font_ncenB08_tr  u8g2_font_pcsenior_8u

  u8x8.setCursor(0,10);  // write something to the internal memory

  u8x8.print("Location: Not Available");

}

void displayInfo()

{

  if (gps.location.isValid())

  {

    Serial.print("Latitude: ");

    Serial.println(gps.location.lat(), 6);

    Serial.print("Longitude: ");

    Serial.println(gps.location.lng(), 6);

    Serial.print("Altitude: ");

    Serial.println(gps.altitude.meters());

    monShow(gps.location.lat(),gps.location.lng(),gps.altitude.meters());

  }

  else

  {

    Serial.println("Location: Not Available");

    monShow_not_ava();

  }

  delay(1000);

  Serial.println();

}

void loop() {

  while (gpsSerial.available() > 0)

    if (gps.encode(gpsSerial.read()))

      displayInfo();

  if (millis() > 5000 && gps.charsProcessed() < 10)

  {

    Serial.println("No GPS detected");

    monShow_not_ava();

    //while(true);

  }

}