init commit

2026-08-04 06:59:21 -06:00
commit f3862bf989
9 changed files with 730 additions and 0 deletions
@@ -0,0 +1,132 @@
+ /*
+  Truth Table
+  Switch 1: start/stop
+  Switch 1, 2: increment until 9, buzzer sounds
+  Switch 1, 4: decrement until 0, buzzer sounds
+  */
+
+//Output Pins for Display
+int pinArray[7] = {8, 9, 10, 11, 12, 13, 6}; //{pinA, pinB, pinC, pinD, pinE, pinF, pinG};
+
+//Input Pins from Dip Switch
+int pin0 = 0;
+int pin1 = 1;
+int pin2 = 2;
+int pin3 = 3;
+
+//Output pin for Buzzer
+int buzzPin = 7;
+
+//Digital Display values
+byte values[10][7] = {
+  {1, 1, 1, 1, 1, 1, 0}, //number 0
+  {0, 1, 1, 0, 0, 0, 0}, //number 1
+  {1, 1, 0, 1, 1, 0, 1}, //number 2
+  {1, 1, 1, 1, 0, 0, 1}, //number 3
+  {0, 1, 1, 0, 0, 1, 1}, //number 4
+  {1, 0, 1, 1, 0, 1, 1}, //number 5
+  {1, 0, 1, 1, 1, 1, 1}, //number 6
+  {1, 1, 1, 0, 0, 0, 0}, //number 7
+  {1, 1, 1, 1, 1, 1, 1}, //number 8
+  {1, 1, 1, 0, 0, 1, 1}  //number 9
+  };
+
+//Value to know where the counter is in the countdown(up)
+int curVal = 0;
+
+//Boolean to know if the buzzer is triggered or not
+bool buzzed = false;
+
+
+
+void setup() {
+  Serial.begin(9600);
+  //Set up for 7 seg display
+  for(int x = 0; x < 7; x++)
+  {
+    pinMode(pinArray[x], OUTPUT);
+  }
+
+  //Set up for Dip Switch
+  pinMode(pin0, INPUT);     
+  pinMode(pin1, INPUT);     
+  pinMode(pin2, INPUT);     
+  pinMode(pin3, INPUT); 
+
+  //Set up for buzzer pin
+  pinMode(buzzPin, OUTPUT);
+  //Sets Display to current value (Will start at 0)
+  writeNum(curVal);
+}
+
+
+
+void loop() {
+  //Remains in loop if Start/Stop is triggered
+  while(digitalRead(pin3) == 1){}
+  //Waits 1 second
+  delay(1000);
+
+  //Increases value to next level as long as it is less than 9, incrementer is triggered, and decrementer is not triggered
+  if(curVal < 9 && digitalRead(pin2) == 0 && digitalRead(pin0) != 0)
+  {
+    curVal++;
+    writeNum(curVal);
+
+    //Triggers buzzer if value is 9 after incrementing
+    if(curVal == 9)
+    {
+      writeNum(curVal);
+      alarmBuzzer();
+    }
+  }
+  //Decreases value to next level as long as it is greater than 0, decrimenter is triggered, and incrementer is not triggered
+  else if(curVal > 0 && digitalRead(pin0) == 0 && digitalRead(pin2) != 0)
+  {
+    curVal--;
+    writeNum(curVal);
+    
+    //Triggers buzzer if value is 0 after decrementing
+    if(curVal == 0)
+    {
+      writeNum(curVal);
+      alarmBuzzer();
+    }
+  }
+  //If buzzer is triggered, waits for 3rd switch to be hit to turn off before continuing
+  while(buzzed && digitalRead(pin1) == 1){}
+  
+  //After 3rd switch is hit, turns buzzer off
+  if(buzzed)
+  {
+    disarmBuzzer();
+  }
+}
+
+
+
+void alarmBuzzer()
+{
+  if(digitalRead(pin1) == 1)
+  {
+    buzzed = true;
+    digitalWrite(buzzPin, HIGH);
+  }
+}
+
+
+
+void disarmBuzzer()
+{
+  buzzed = false;
+  digitalWrite(buzzPin, LOW);
+}
+
+
+//Writes number to display
+void writeNum(int n) {
+  for(int x = 0; x < 7; x++)
+  {
+    digitalWrite(pinArray[x], values[n][x]);
+  }
+}