// report.ino -- A demo of millis-based periodic status reporting
// https://wokwi.com/projects/408753591671265281
//
//  Every 1000ms, this program reads and reports the analog and digital staus of each pin.
//

// configure pullup resistors? zero means floating, non-zero means pullup
const int pullup[] = {0, 0,            // RX,TX on Uno
                      0, 0, 0,         // 2,3,4
                      0, 0, 0, 0, 0,   // 5-9
                      0, 0, 0, 0,      // 10,11,12,13
                      0, 0, 0, 0, 0, 0 // A0, A1 A2 A3 A4 A5
                     };

void setup() {
  Serial.begin(115200);
  // do INPUT_PULLUP on everything?
  for (int ii = 2; ii < NUM_DIGITAL_PINS; ++ii) {
    if (pullup[ii] != 0 ) pinMode(ii, INPUT_PULLUP);
  }
}

void loop() {
  report();
}

void report() {
  auto now = millis();                 // https://www.arduino.cc/reference/en/language/functions/time/millis/
  const typeof(now) interval = 1000;
  static typeof(now) last = -interval; // schedule to trigger immediately
  if (now - last >= interval) {        // Expired?
    last += interval;                  // Advance phase-locked with the processor clock
    //while(now - last >= interval){last += interval;} // Advance multiple times. Needed only if loop() is stupidly slow
    Serial.print(now);
    Serial.print("ms");
    for ( int ii = 0; ii < NUM_ANALOG_INPUTS; ++ii) {
      Serial.print(" ");
      Serial.print(analogRead(ii));
    }
    for ( int ii = 0; ii < NUM_DIGITAL_PINS; ++ii) {
      Serial.print(" ");
      Serial.print(digitalRead(ii));
    }
    Serial.println();
  }
}