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- /*
- *@author James McKenzie
- *@lang C89 Based
- *@contact lunarised@outlook.com
- */
- int i;
- void setup() {
- pinMode(10, OUTPUT);
- pinMode(11, OUTPUT);
- pinMode(12, OUTPUT);
- pinMode(13, OUTPUT);
- i = 0;
- }
-
- void loop() {
- checkOverflow(i);
- bitCheck(i);
- i++;
- delay(100);
- }
-
- /*
- * Takes an int and sets leds on and off accordingly
- * @param i The current value to be displayed
- */
- void bitCheck(int i){
- if (i & 1){
- digitalWrite(13, HIGH);
- }
- else{
- digitalWrite(13, LOW);
- }
- if (i & 2){
- digitalWrite(12, HIGH);
- }
- else{
- digitalWrite(12, LOW);
- }
- if (i & 4){
- digitalWrite(11, HIGH);
- }
- else{
- digitalWrite(11, LOW);
- }
- if (i & 8){
- digitalWrite(10, HIGH);
- }
- else{
- digitalWrite(10, LOW);
- }
- }
- /*
- * Checks to make sure the number displayed doesnt overflow
- * @param i The number to check overflow
- */
- void checkOverflow(int i){
- if (i == 16){
- i = 0;
- }
- if (i == -1){
- i = 15;
- }
- }
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