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glitch-loop-working.ino
53 lines (50 loc) · 1.79 KB
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glitch-loop-working.ino
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// the setup function runs once when you press reset or power the board
void setup() {
// initialize digital pin LED_BUILTIN as an output.
pinMode(LED_BUILTIN, OUTPUT);
Serial.begin(9600);
}
volatile int locked = 1;
long int counter = 0;
char tempstr[50];
void loop() {
while (locked){
sprintf(tempstr, "Loop 1, counter=%d\n\r", counter);
Serial.print(tempstr);
volatile long int k=0;
for (volatile long int i=0;i<99999;i++)
k++;
locked = (k==99999);
digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level)
delay(10); // wait for a second
digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW
delay(10); // wait for a second
counter++;
}
locked = 1;
counter = 0;
while (locked){
sprintf(tempstr, "Loop 2, counter=%d\n\r", counter);
Serial.print(tempstr);
volatile long int j=0;
for (volatile long int i=0;i<99999;i++)
j++;
locked =(j==99999);
digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW
delay(1000); // wait for a second
counter++;
}
locked = 1;
counter = 0;
while (locked){
sprintf(tempstr, "Glitched! %s, counter=%d\n\r", "Flag {123123123}", counter);
Serial.print(tempstr);
digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level)
delay(3000); // wait for a second
digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW
delay(3000); // wait for a second
counter++;
}
}