#include <time.h>

#define servoPin 17 //defined as such in original code

#define INPUT 0
#define OUTPUT 1

int signal = 1700;

//function defining the pin attachment to servo motor
void attachPin(int pin, int mode) {
    if (mode == INPUT) {
        // Implementation specific to the hardware
    }
    else if (mode == OUTPUT) {
        // Implementation specific to the hardware
    }
    else {
        // Error
    }
}

void writeSeconds(int pin, int value) {
    //code to send signal specific to the hardware
}

void delay(unsigned long milliseconds) {
    // Get the current system time
    time_t currentTime = time(NULL);
    unsigned long startTime = currentTime;

    // Loop until the desired time has elapsed
    while ((getSystemTimeMillis() - startTime) < milliseconds) {
        // Implementation specific to the hardware
    }
}

void setup() {

    //configure the servo pin
    attachPin(servoPin, OUTPUT);

    // send stop signal to ESC
    writeSeconds(servoPin, 1500);

    // wait for a second
    delay(1000);
}

void loop() {

    // Define the value of the signal, ranging from 1100 to 1900; 1700 by default
    signal = 1700;

    // Send the signal to the ESC
    writeSeconds(servoPin, signal);

    /*
    alternative:
    writeSeconds(servoPin, ON);
    delay(signal);
    writeSeconds(servoPin, OFF);
    delay(20);
    */

}
/*
In this version, the Servo library is replaced with "writeSeconds" to control the servo motor.
*/