feat: connect reset pin

watchdog.ino

@@ -1,8 +1,10 @@
 const int HEARTBEAT_MAX_DELAY_MILLIS = 20000;  //this is coupled to the HEARTBEAT_INTERVAL in src/main.rs
+const int PIN_SWITCH = 13;
 
 unsigned long startTimeMillis;
 void setup() {
   Serial.begin(9600);
+  pinMode(PIN_SWITCH, OUTPUT);
   waitForSerial();
   //NOTE might want to replace this initialization with a check in the first loop, so we dont instantly reboot
   startTimeMillis = millis(); 
@@ -15,19 +17,6 @@ void loop(){
   if (tickMillis > HEARTBEAT_MAX_DELAY_MILLIS){rst();}
   if (Serial.available() > 0) { // if something has been written to the serial port
     startTimeMillis = millis();
-
-
-    int value = Serial.parseInt();
-    
-    if(value > 0)
-    {
-      Serial.print("Number: ");
-      Serial.print(value);
-      Serial.print(", hex: ");
-      Serial.print(value, HEX);
-      Serial.print(", bin: ");
-      Serial.println(value, BIN);
-    }
   }
 }
 
@@ -35,6 +24,9 @@ void loop(){
 void rst(){
   //TODO connect the RST pins on the motherboard
   Serial.println("Error!");
+  digialWrite(PIN_SWITCH, LOW);
+  delay(500);
+  digitalWrite(PIN_SWITCH, HIGH);
   waitForSerial();
 }