Let's build a GPS Speedometer with ESP32-S3 and BN-880Q(GPS, Compass) [1/2]

ESP32_LVGL/LVGL8/6_Let's build a GPS Speedometer/SC01Plus_BN880Q_GPS_App_Part1/SC01Plus_BN880Q_GPS_App_Part1.ino

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+/////////////////////////////////////////////////////////////////
+/*
+  Let's build a GPS Speedometer with ESP32-S3 and BN-880Q(GPS, Compass) [1/2]
+  For More Information: https://youtu.be/J0AYSS8xxOY
+  Created by Eric N. (ThatProject)
+*/
+/////////////////////////////////////////////////////////////////
+
+#include <Wire.h>
+// TinyGpsPlus
+// https://github.com/mikalhart/TinyGPSPlus
+#include <TinyGPSPlus.h>
+// EspSoftwareSerial
+// https://github.com/plerup/espsoftwareserial/
+#include <SoftwareSerial.h>
+// DFRobot_QMC5883
+// https://github.com/DFRobot/DFRobot_QMC5883
+#include <DFRobot_QMC5883.h>
+// LovyanGFX
+// https://github.com/lovyan03/LovyanGFX
+#define LGFX_USE_V1
+#include <LovyanGFX.hpp>
+
+static const int RXPin = 10, TXPin = 11, sclPin = 12, sdaPin = 13;
+static const uint32_t GPSBaud = 9600;
+
+TinyGPSPlus gps;
+SoftwareSerial ss(RXPin, TXPin);
+DFRobot_QMC5883 compass(&Wire, QMC5883_ADDRESS);
+
+class LGFX : public lgfx::LGFX_Device {
+  lgfx::Panel_ST7796 _panel_instance;
+  lgfx::Bus_Parallel8 _bus_instance;
+  lgfx::Light_PWM _light_instance;
+  lgfx::Touch_FT5x06 _touch_instance;
+
+public:
+  LGFX(void) {
+    {
+      auto cfg = _bus_instance.config();
+      cfg.freq_write = 40000000;
+      cfg.pin_wr = 47;
+      cfg.pin_rd = -1;
+      cfg.pin_rs = 0;
+      cfg.pin_d0 = 9;
+      cfg.pin_d1 = 46;
+      cfg.pin_d2 = 3;
+      cfg.pin_d3 = 8;
+      cfg.pin_d4 = 18;
+      cfg.pin_d5 = 17;
+      cfg.pin_d6 = 16;
+      cfg.pin_d7 = 15;
+      _bus_instance.config(cfg);
+      _panel_instance.setBus(&_bus_instance);
+    }
+
+    {
+      auto cfg = _panel_instance.config();
+      cfg.pin_cs = -1;
+      cfg.pin_rst = 4;
+      cfg.pin_busy = -1;
+      cfg.memory_width = 320;
+      cfg.memory_height = 480;
+      cfg.panel_width = 320;
+      cfg.panel_height = 480;
+      cfg.offset_x = 0;
+      cfg.offset_y = 0;
+      cfg.offset_rotation = 0;
+      cfg.dummy_read_pixel = 8;
+      cfg.dummy_read_bits = 1;
+      cfg.readable = true;
+      cfg.invert = true;
+      cfg.rgb_order = false;
+      cfg.dlen_16bit = false;
+      cfg.bus_shared = true;
+
+      _panel_instance.config(cfg);
+    }
+
+    {
+      auto cfg = _light_instance.config();
+      cfg.pin_bl = 45;
+      cfg.invert = false;
+      cfg.freq = 44100;
+      cfg.pwm_channel = 7;
+
+      _light_instance.config(cfg);
+      _panel_instance.setLight(&_light_instance);
+    }
+
+    {
+      auto cfg = _touch_instance.config();
+      cfg.i2c_port = 1;
+      cfg.i2c_addr = 0x38;
+      cfg.pin_sda = 6;
+      cfg.pin_scl = 5;
+      cfg.freq = 400000;
+      cfg.x_min = 0;
+      cfg.x_max = 320;
+      cfg.y_min = 0;
+      cfg.y_max = 480;
+
+      _touch_instance.config(cfg);
+      _panel_instance.setTouch(&_touch_instance);
+    }
+
+    setPanel(&_panel_instance);
+  }
+};
+
+static LGFX tft;
+
+void setup() {
+  Serial.begin(115200);
+  initDisplay();
+  initQMC5883();
+  ss.begin(GPSBaud);
+}
+
+void loop() {
+  while (ss.available() > 0) {
+    if (gps.encode(ss.read())) {
+      updateGPS();
+    }
+  }
+  updateDegree();
+  delay(10);
+}
+
+void initDisplay() {
+  tft.begin();
+  tft.setRotation(2);
+  tft.setBrightness(255);
+  tft.fillScreen(TFT_BLACK);
+}
+
+void initQMC5883() {
+  Wire.begin(sdaPin, sclPin);
+  while (!compass.begin()) {
+    Serial.println("Could not find a valid 5883 sensor, check wiring!");
+    delay(500);
+  }
+
+  if (compass.isQMC()) {
+    Serial.println("Initialize QMC5883");
+    compass.setRange(QMC5883_RANGE_2GA);
+    Serial.print("compass range is:");
+    Serial.println(compass.getRange());
+
+    compass.setMeasurementMode(QMC5883_CONTINOUS);
+    Serial.print("compass measurement mode is:");
+    Serial.println(compass.getMeasurementMode());
+
+    compass.setDataRate(QMC5883_DATARATE_200HZ);
+    Serial.print("compass data rate is:");
+    Serial.println(compass.getDataRate());
+
+    compass.setSamples(QMC5883_SAMPLES_8);
+    Serial.print("compass samples is:");
+    Serial.println(compass.getSamples());
+  }
+}
+
+void updateGPS() {
+
+  int satellites = 0;
+  double mph = 0;
+  double lat = 0;
+  double lng = 0;
+  double altitude = 0;
+
+  if (gps.satellites.isValid()) {
+    satellites = gps.satellites.value();
+  }
+
+  if (gps.speed.isValid()) {
+    mph = gps.speed.mph();
+  }
+
+  if (gps.location.isValid()) {
+    lat = gps.location.lat();
+    lng = gps.location.lng();
+  }
+
+  if (gps.altitude.isValid()) {
+    altitude = gps.altitude.feet();
+  }
+
+  char data[150] = {};
+  sprintf(data, "-Satellites: %d\n-Latitude: %.6lf\n-Longitude: %.6lf\n-Altitude: %.2lf ft\n-Speed: %.1lf mph", satellites, lat, lng, altitude, mph);
+
+  tft.setCursor(0, 10);
+  tft.setTextColor(TFT_GREEN);
+  tft.setTextSize(4);
+  tft.println("GPS Details");
+  tft.setTextSize(2);
+  tft.fillRect(0, 40, tft.width(), tft.height() / 2 - 40, TFT_BLACK);
+  tft.println(data);
+}
+
+void updateDegree() {
+  sVector_t mag = compass.readRaw();
+  compass.getHeadingDegrees();
+  float headingDegree = mag.HeadingDegress;
+  char data[20] = {};
+  sprintf(data, "-Degree: %.1f", headingDegree);
+
+  tft.setCursor(0, tft.height() / 2);
+  tft.setTextColor(TFT_YELLOW);
+  tft.setTextSize(4);
+  tft.println("Compass");
+  tft.setTextSize(2);
+  tft.fillRect(0, tft.height() / 2 + 30, tft.width(), tft.height(), TFT_BLACK);
+  tft.println(data);
+}