/*-data-type------size---------description----------------------
  boolean        (8 bit)   -  [true/false]
  byte           (8 bit)   -  [0-255] unsigned number
  char           (8 bit)   -  [-128 to 127] signed number
  unsigned char  (8 bit)   -  [-128 to 127] signed number
  word           (16 bit)  -  [0-65535] unsigned number
  unsigned int   (16 bit)  -  [0-65535] unsigned number
  int            (16 bit)  -  [-32768 to 32767] signed number
  unsigned long  (32 bit)  -  [0-4,294,967,295] unsigned number usually for millis
  long           (32 bit)  -  [-2,147,483,648 to 2,147,483,647] signed number
  float          (32 bit)  -  [-3.4028235E38 to 3.4028235E38] signed number
  uint8_t        (8 bit)   -  [0-255] unsigned number
  int8_t         (8 bit)   -  [-127 - 127] signed number
  uint16_t       (16 bit)  -  [0-65,535] unsigned number
  int16_t        (16 bit)  -  [-32,768 - 32,767] signed number
  uint32_t       (32 bit)  -  [0-4,294,967,295] unsigned number
  int32_t        (32 bit)  -  [-2,147,483,648 - 2,147,483,647] signed number
  uint64_t       (64 bit)  -  [0-18,446,744,073,709,551,615] unsigned number
  int64_t        (64 bit)  -  [−9,223,372,036,854,775,808 - 9,223,372,036,854,775,807] signed number
  --------------------------------------------------------------
  camelCase                -  anything that changes
  snake_case               -  variable's that are exclusive in a function
  Snake_Case               -  CLASS/struct exclusave varables/functions
  iNVERTEDcAMELcASE        -  outside code that is being accessed [database]
  SNake_CAse               -  duplicate varables inside the case function [frequently used in library names]
  ALL_CAPS                 -  const varable names or defines
  ------------- by jediRick & RefreshMyMind --------------------
*/

#define ledPin  LED_BUILTIN
word delayTime = 10;
word delayTimeUsed = delayTime / 2;
unsigned long startTime;
unsigned long endTime;
unsigned long resultingTime;
unsigned long resultingTime2;
uint16_t iterations = 200;

void setup() {
  delay(2000);
  Serial.begin(115200);
  Serial.println("Speed-test by JediRick");
  pinMode(LED_BUILTIN, OUTPUT);
}

void loop() {
  Serial.println("Starting test!");  
  makeNumber();  
  Serial.println("Test Complete!");
  resultingTime = endTime - startTime;
  Serial.println("Time in micros: " + (String)resultingTime);
  resultingTime2 = 1000000 / resultingTime;
  Serial.println("cycles per second: " + (String)resultingTime2);
  delay(5000);
}

void makeNumber() {
  uint32_t numCount1 = 1;
  uint32_t numCount2 = 1;
  uint32_t numCount3;
  digitalWrite(LED_BUILTIN, HIGH);   // turn the LED on (HIGH is the voltage level)
  startTime = micros();
  for (uint16_t i = 0; i < iterations; i++) {
    numCount3 = numCount1 + numCount2;
    numCount1 = numCount2;
    numCount2 = numCount3;
  }
  endTime = micros();
  digitalWrite(LED_BUILTIN, LOW);
  Serial.println("Fibonacci cycle count: " + (String)iterations);
  Serial.println("Result: " + (String)numCount3);
}