Project 2 - Implement the Code for controlling the retraction and extension of Airplane’s landing gear

Project 2

#include <stdio.h>

typedef enum
{
    STATE_GROUNDED,
    STATE_RAISING,
    STATE_LOWERED,
    STATE_EXTENDING,
    STATE_RETRACTING
} State;			//enum to represent different states of landing gear

void raiseLandingGear()
{
    printf("Raising the landing gear...\n");
    // Simulate raising process (e.g., control hydraulic valves)
}

void lowerLandingGear()
{
    printf("Lowering the landing gear...\n");
    // Simulate lowering process (e.g., control hydraulic valves)
}

void extendLandingGear()
{
    printf("Extending the landing gear...\n");
    // Simulate extending process (e.g., control hydraulic valves)
}

void retractLandingGear()
{
    printf("Retracting the landing gear...\n");
    // Simulate retracting process (e.g., control hydraulic valves)
}

int main()
{
    State currentState = STATE_GROUNDED;			//To represent initial state of landing gear when airplane is on the ground
    char input;

    printf("Airplane's Landing Gear Control System\n");

    while (1)			//To run the code without terminating, user has to terminate manually
    {
        switch (currentState)  		//Switch statement based on current status of airplane
        {
            case STATE_GROUNDED:
                printf("Airplane is on the ground. Press 'R' to raise the landing gear: ");
                break;
            case STATE_LOWERED:
                printf("Airplane is airborne. Press 'E' to extend the landing gear or 'L' to lower it: ");
                break;
            default:
                break;
        }

        fflush(stdout);
        scanf(" %c", &input); //To get input from console for required operation

        switch (currentState) 		//Switch statement for transition from one state to another
        {
            case STATE_GROUNDED:
                if (input == 'R' || input == 'r')
                {
                    currentState = STATE_RAISING;
                    raiseLandingGear();
                    currentState = STATE_LOWERED;
                }
                break;
            case STATE_LOWERED:
                if (input == 'E' || input == 'e')
                {
                    currentState = STATE_EXTENDING;
                    extendLandingGear();
                    currentState = STATE_LOWERED;
                }
                else if (input == 'L' || input == 'l')
                {
                    currentState = STATE_RETRACTING;
                    retractLandingGear();
                    currentState = STATE_GROUNDED;
                }
                break;
            default:
                break;
        }
    }

    return (0);
}