Add project files.

2026-08-01 18:15:55 -04:00 · 2019-07-22 20:10:06 -04:00
parent 6609126c68
commit eba49a2bf6
41 changed files with 2577 additions and 0 deletions
@@ -0,0 +1,129 @@
+#include "input.h"
+#include "lcd.h"
+#include "serial.h"
+#include "setting.h"
+
+extern const int UP_PIN         = 4;
+extern const int DOWN_PIN       = 6;
+extern const int LEFT_PIN       = 7;
+extern const int RIGHT_PIN      = 5;
+extern const int RESET_PIN      = 8;
+extern const int VOLUME_PIN     = 10;
+
+struct LastPressed
+{
+	unsigned long up     = 0;
+	unsigned long down   = 0;
+	unsigned long left   = 0;
+	unsigned long right  = 0;
+	unsigned long reset1 = 0;
+}; LastPressed lastPressed;
+unsigned long  lastPressedOverall = 0;
+int            lastAnalog;
+
+void initializeInputs()
+{
+	pinMode(UP_PIN, INPUT);
+	pinMode(DOWN_PIN, INPUT);
+	pinMode(LEFT_PIN, INPUT);
+	pinMode(RIGHT_PIN, INPUT);
+	pinMode(RESET_PIN, INPUT);
+	lastAnalog = (analogRead(VOLUME_PIN) / 20);
+}
+
+void checkForInput()
+{
+	unsigned long ms = millis();
+	const int BUTTON_COOLDOWN = 500;
+
+	if(digitalRead(UP_PIN) == HIGH && lastPressed.up + BUTTON_COOLDOWN <= ms)
+		handleInput(UP_PIN);
+	else if(digitalRead(DOWN_PIN) == HIGH && lastPressed.down + BUTTON_COOLDOWN <= ms)
+		handleInput(DOWN_PIN);
+	else if(digitalRead(LEFT_PIN) == HIGH && lastPressed.left + BUTTON_COOLDOWN <= ms)
+		handleInput(LEFT_PIN);
+	else if(digitalRead(RIGHT_PIN) == HIGH && lastPressed.right + BUTTON_COOLDOWN <= ms)
+		handleInput(RIGHT_PIN);
+	else if(digitalRead(RESET_PIN) == HIGH && lastPressed.reset1 + BUTTON_COOLDOWN <= ms)
+		handleInput(RESET_PIN);
+	else
+	{
+		const int ANALOG_CHANGE_RATE = 5;
+		const int ANALOG_WITHIN_RANGE = 15;
+		const int ANALOG_CHANGE_TIME = BUTTON_COOLDOWN * 2;
+		int analogValue = analogRead(VOLUME_PIN) / 20; //conform analog value from 0-200
+		if((analogValue >= (lastAnalog + ANALOG_CHANGE_RATE) || analogValue <= (lastAnalog - ANALOG_CHANGE_RATE)) && //if volume has changed enough
+			(analogValue < (lastAnalog + ANALOG_WITHIN_RANGE) && analogValue >(lastAnalog - ANALOG_WITHIN_RANGE)) && //if volume hasn't changed too much for it to be a glitch
+			lastPressedOverall + ANALOG_CHANGE_TIME <= ms)                        //if another button hasn't been pressed within a certain period for it to affect the reading
+		{
+			//conform analog to certain values if they are within range
+			if(analogValue <= 105 && analogValue >= 95)
+				analogValue = 100;
+			else if(analogValue > 195)
+				analogValue = 200;
+			else if(analogValue < 5)
+				analogValue = 0;
+			lastAnalog = analogValue;
+			handleInput(VOLUME_PIN); //implied that lastAnalog has also been changed
+		}
+	}
+}
+
+void handleInput(int inputPin)
+{
+	unsigned long ms = millis();
+	switch(inputPin)
+	{
+	case UP_PIN:
+		if(menuState == MenuStates::SETTINGS) //prevent settings from changing while not showing
+		{
+			lastPressed.up = ms;
+			lastPressedOverall = ms;
+			changeSetting(1);
+			sendSerialToMain(SerialConstants::SETTING_HEADER, currentMenu, EEPROM.read(currentMenu));
+			updateDisplay();
+		}
+		break;
+	case DOWN_PIN:
+		if(menuState == MenuStates::SETTINGS) //prevent settings from changing while not showing
+		{
+			lastPressed.down = ms;
+			lastPressedOverall = ms;
+			changeSetting(-1);
+			sendSerialToMain(SerialConstants::SETTING_HEADER, currentMenu, EEPROM.read(currentMenu));
+			updateDisplay();
+		}
+		break;
+	case LEFT_PIN:
+		lastPressed.left = ms;
+		lastPressedOverall = ms;
+		currentMenu--;
+		if(currentMenu < 0)
+			currentMenu = NUM_OF_MENUS - 1;
+		menuState = MenuStates::SETTINGS;
+		updateDisplay();
+		break;
+	case RIGHT_PIN:
+		lastPressed.right = ms;
+		lastPressedOverall = ms;
+		currentMenu++;
+		if(currentMenu >= NUM_OF_MENUS)
+			currentMenu == 0;
+		menuState = MenuStates::SETTINGS;
+		updateDisplay();
+		break;
+	case RESET_PIN:
+		lastPressed.reset1 = ms;
+		exitScreen = ms + SPECIAL_MENU_TIMEOUT;
+		sendSerialToMain(SerialConstants::RESET_HEADER, 127, 127);
+		menuState = MenuStates::RESET;
+		updateDisplay();
+		break;
+	case VOLUME_PIN:
+		exitScreen = ms + SPECIAL_MENU_TIMEOUT;
+		menuState = MenuStates::VOLUME;
+		sendSerialToMain(SerialConstants::VOLUME_HEADER, lastAnalog, lastAnalog);
+		updateDisplay();
+		break;
+	}
+}