mirror of
https://github.com/scottchiefbaker/ESP-WebOTA.git
synced 2024-08-30 18:12:33 +00:00
77 lines
1.5 KiB
C++
77 lines
1.5 KiB
C++
const char* host = "ESP-OTA"; // Used for MDNS resolution
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const char* ssid = "ssid";
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const char* password = "password";
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#include <WebOTA.h>
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long start = 0;
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long max_seconds = 30;
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long i = 2; // Start at 2
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long found = 0; // Number of primtes we've found
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int LED_PIN = 16;
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bool is_prime(long num) {
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// Only have to check for divisible for the sqrt(number)
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int upper = sqrt(num);
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// Check if the number is evenly divisible (start at 2 going up)
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for (long cnum = 2; cnum <= upper; cnum++) {
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long mod = num % cnum; // Remainder
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// If the remainer is 0 it's evenly divisible
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if (mod == 0) {
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return false;
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}
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}
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// If you get this far it's prime
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return true;
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}
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////////////////////////////////////////////////////
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void setup() {
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Serial.begin(115200);
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pinMode(LED_PIN, OUTPUT);
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start = millis();
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init_wifi(ssid, password, host);
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// Defaults to 8080 and "/webota"
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//webota.init(80, "/update");
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}
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void loop() {
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digitalWrite(LED_PIN, HIGH);
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bool prime = is_prime(i); // Check if the number we're on is prime
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if (prime) {
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Serial.print(i);
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Serial.println(" is prime ");
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found++;
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}
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int running_seconds = (millis() - start) / 1000;
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if (max_seconds > 0 && (running_seconds >= max_seconds)) {
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Serial.print("Found ");
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Serial.print(found);
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Serial.print(" primes in ");
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Serial.print(max_seconds);
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Serial.println(" seconds");
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digitalWrite(LED_PIN, LOW);
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webota.delay(15000);
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i = 2;
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found = 0;
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start = millis();
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}
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i++;
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webota.handle();
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}
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