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

/*
 * aeroplanecontrol_gear.c
 *
 *  Created on: 13-Aug-2022
 *      Author: aryaa
 */
/* Implement the Code for controlling the retraction and extension of Airplane’s landing gear*/
#include <stdio.h>
#include <stdlib.h>

typedef enum                //system state declaration
{
       Gear_Down_State,
       Before_Take_Off_State = 0,
       Before_Landing_State,
       Lowering_Gear_State,
       Raising_Gear_State,
       Gear_Up_State
}state_type;

typedef struct // state table attributes declaration
{
       state_type states[6];
       char* plane_state[6];
}state;
// state table formation using array of structure
state state_machine[6]={
{{Raising_Gear_State,Gear_Down_State},{"Raising Gear","Gear Down"}},
{{Lowering_Gear_State},{"Lowering Gear"}},
{{Before_Take_Off_State},{"Before Take Off"}},
{{Gear_Down_State,Before_Take_Off_State},{"Gear Down","Before Take Off"}},
{{Gear_Up_State,Before_Landing_State},{"Gear Up","Before Landing"}},
{{Before_Landing_State},{"Before Landing"}}
};

int currentstate;
int pilotlever, directionvalue, lights, limitswitch, squatswitch, control;

int main()
{
      printf("enter the Pilot's gear value:\n0 for gear Down\n1 for gear Up\n2 for gear Rising\n3 for gear Falling\n");
      fflush(stdout);
      scanf("%d",&pilotlever);
      printf("enter the Direction value:\n0 for Direction Down\n1 for Direction Up\n");
      fflush(stdout);
      scanf("%d",&directionvalue);
      printf("enter the lights:\n0 for Red\n1 for Green\n2 for Lights Off\n");
      fflush(stdout);
      scanf("%d",&lights);
      printf("enter Squat Switch value:\n0 for Squat Switch close\n1 for Squat Switch open\n");
      fflush(stdout);
      scanf("%d",&squatswitch);
      printf("enter Limit Switch value:\n0 for Limit Switch close\n1 for Limit Switch open\n");
      fflush(stdout);
      scanf("%d",&limitswitch);
      printf("enter the Control value:\n0 for Disabled\n1 for Enabled\n");
      fflush(stdout);
      scanf("%d",&control);

      if((pilotlever==2 && squatswitch==1)||lights==1)
      printf("\nAeroplane is in Before Take Off State\n");


      else
      if((pilotlever==1 || directionvalue==1) && lights==0)
      printf("\nAeroplane is in Raising Gear State\n");


      else
      if((limitswitch==0 || lights==2) && control==0)
      printf("\nAeroplane is in Gear Up State\n");


      else
      if(pilotlever==3 || lights==0)
      printf("\nAeroplane is in Checking for Landing State\n");


      else
      if((pilotlever==3 || control==1) && lights==0)
      printf("\nAeroplane is in Checking for Landing State\n");


      else
      if(pilotlever==0 || directionvalue==0)
      printf("\nAeroplane is in Lowering Gear State\n");


      else
      if(pilotlever==2 || lights==0)
      printf("\nAeroplane is in Checking before Take Off State\n");


      else
      if(squatswitch==0 || pilotlever==3 || lights==0)
      printf("\nAeroplane is in Gear Down State\n");


      else
      if(limitswitch==1 || lights==1)
      printf("\nAeroplane is in Gear Down State\n");

      return 0;
}