Baseline: Migrated from local arduino IDE project, compiles but contains dead code and needs refactoring

src/main.cpp

@@ -0,0 +1,194 @@
+#include <Arduino.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1351.h>
+#include <SPI.h>
+#include <ezButton.h>
+#include <EEPROM.h>
+#include "RF24.h"
+
+// Screen dimensions
+#define SCREEN_WIDTH  128
+#define SCREEN_HEIGHT 128 // Change this to 96 for 1.27" OLED.
+
+// You can use any (4 or) 5 pins 
+#define SCLK_PIN 13
+#define MOSI_PIN 11
+#define MISO_PIN 12
+#define DC_PIN   9 // was pin 4
+#define CS_PIN   10 // was pin 5
+#define RST_PIN  8 // was pin 6
+
+#define RF_CE_PIN 7 // (chicp enable)
+#define RF_CSN_PIN 6 // (SPI select)
+
+// Control Data
+#define BUTTON_TOP 0
+#define BUTTON_BOTTOM 1 
+#define JOYSTICK_BUTTON A4
+#define JOYSTICK_X A6
+#define JOYSTICK_Y A5
+
+#include "Programs/Calculator/Calculator.h"
+#include "Programs/Snake/Snake.h"
+#include "Programs/Settings/Settings.h"
+#include "Programs/Asteroids/Asteroids.h"
+
+#include "Bitmaps.h"
+#include "Menu.h"
+#include "utility.h"
+
+Adafruit_SSD1351 tft = Adafruit_SSD1351(SCREEN_WIDTH, SCREEN_HEIGHT, &SPI, CS_PIN, DC_PIN, RST_PIN);
+RF24 radio(RF_CE_PIN, RF_CSN_PIN);
+inputData userInputs(BUTTON_TOP, BUTTON_BOTTOM, JOYSTICK_BUTTON);
+//programID currentProgram = NO_PROGRAM;
+
+unsigned long interval=1000; // the time we need to wait
+unsigned long previousMillis=0; // millis() returns an unsigned long.
+
+Program* currentProgram = nullptr; // will be renamed to currentProgram when fully implemented
+Program* nextProgram = nullptr;
+
+struct state {
+  bool SoundEnabled = true;
+  bool RunningProgram = false;
+  bool InMenu = false;
+  bool RadioEnabled = true;
+} MachineState;
+
+
+void displaySplashScreen(int duration);
+void getUserInput(inputData* inputs);
+void requestProgramChange(Program* program);
+void drawInfoBar();
+float normalizeJoystick(int analogValue);
+
+
+
+void requestProgramChange(Program* program){
+  nextProgram = program;
+}
+
+// --- STARTUP -- //
+void setup(void) {
+  Serial.begin(9600);
+  Serial.println("Starting up...");
+  userInputs.buttonTop.setDebounceTime(25);
+  userInputs.buttonBottom.setDebounceTime(25);
+  userInputs.joyStickButton.setDebounceTime(25);
+
+  tft.begin();
+
+  // spash screen goes here!
+  displaySplashScreen(2000); // show spash for 2 seconds
+  MachineState.InMenu = true;
+  currentProgram = new Menu::Menu();
+  currentProgram->onEnter(&tft);
+  Serial.println("Start sucsessful");
+}
+
+// --- PROGRAM LOOP --- //
+void loop() {
+    // need to loop as fast a possible to maintain framerate and responce time
+    unsigned long currentMillis = millis(); // grab current time
+
+    // handle program transistion
+    if (nextProgram != nullptr) {
+      if (currentProgram != nullptr) {
+        currentProgram->onExit();
+        delete currentProgram;
+      }
+      currentProgram = nextProgram;
+      nextProgram = nullptr;
+      if (currentProgram != nullptr){
+        currentProgram->onEnter(&tft);
+      }
+    }
+
+    // update current program
+    if (currentProgram != nullptr){
+      getUserInput(&userInputs);
+      currentProgram->loop(&tft, &userInputs);
+      if (!currentProgram->disableInfoBar){ drawInfoBar(); }
+    }
+
+	// check if "interval" time has passed (1000 milliseconds)
+	if ((unsigned long)(currentMillis - previousMillis) >= interval) {
+		// do task
+		previousMillis = millis();
+	}
+}
+
+
+void getUserInput(inputData *inputs){
+  // Call the loop() function for each button. This is required by ezButton.
+  inputs->buttonTop.loop();
+  inputs->buttonBottom.loop();
+  inputs->joyStickButton.loop();
+
+  // The rest of the code can now get button states directly, e.g.:
+  // if (inputs->buttonTop.isPressed()) { ... }
+
+  // For now, let's keep joystick values simple
+  int rawX = analogRead(JOYSTICK_X);
+  int rawY = analogRead(JOYSTICK_Y);
+  inputs->joyX = normalizeJoystick(rawX);
+  inputs->joyY = normalizeJoystick(rawY);
+
+
+  inputs->joystickCommand = COMMAND_NO;
+
+  // check left/right commands
+  if (rawX < LEFT_THRESHOLD){
+    inputs->joystickCommand = inputs->joystickCommand | COMMAND_LEFT;
+  }
+  else if (rawX > RIGHT_THRESHOLD){
+    inputs->joystickCommand = inputs->joystickCommand | COMMAND_RIGHT;
+  }
+
+  // check up/down commands
+  if (rawY < UP_THRESHOLD){
+    inputs->joystickCommand = inputs->joystickCommand | COMMAND_UP;
+  }
+  else if (rawY > DOWN_THRESHOLD){
+    inputs->joystickCommand = inputs->joystickCommand | COMMAND_DOWN;
+  }
+}
+
+
+void displaySplashScreen(int duration){
+  // - could play a tune and also show off the capability of the display with some
+  //   stylish graphics! maybe even 3d graphics if build a library for it
+  tft.fillScreen(BLACK);
+  tft.drawBitmap(0, 0, spash_screen_BMP, 128, 128, WHITE);
+  tft.setCursor(10, 10);
+  tft.setTextColor(GREEN);
+  tft.println(F("B-TEK Advanced"));
+  tft.setCursor(30, 10);
+  tft.println(F("Booting in progress..."));
+  delay(duration);
+  tft.fillScreen(BLACK);
+}
+
+
+void drawInfoBar(){
+  // a bar on the time with data like battery life and current time and wifi status... maybe more (:
+  tft.drawRect(0, 0, 128, 12, RED);
+  tft.setCursor(5, 2);
+  tft.setTextSize(1);
+  tft.setTextColor(WHITE);
+  tft.println(F("20:34"));
+  tft.setCursor(90, 2);
+  tft.println(F("[-->]"));
+}
+
+
+float normalizeJoystick(int analogValue) {
+  // Account for the dead zone
+  if (abs(analogValue - 512) < JOY_DEAD_ZONE) {
+    return 0.0;
+  }
+  // Shift the range so the center is 0
+  float shiftedValue = analogValue - 512;
+
+  return shiftedValue / 512.0;
+}