Challenge

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

MMuthukumar P30 Jan 2023

#include
void Initiate_State_Machine();
void GearDown();
void CheckingBeforeTakeOFF();
void RaisingGear();
void GearUp();
void CheckBeforeLanding();
void LoweringGear();
static void(*statetable[])(void)={GearDown, CheckingBeforeTakeOFF, RaisingGear, GearUp, CheckBeforeLanding, LoweringGear};
typedef enum State
{
GEAR_DOWN,
CHECKING_BEFORE_TAKEOFF,
RAISING_GEAR,
GEAR_UP,
CHECK_BEFORE_LANDING,
LOWERING_GEAR,
}State_Type;
typedef enum Switch
{
on,
off//plane is on ground
}Switch_status;
typedef enum pilot_lever
{
Raising,
falling
}pilot_lever;
typedef enum hydraulic_mechanism
{
working,
not_working
}hydraulic_mechanism;

static volatile Switch_status squat_switch;
static volatile Switch_status limit_switch;
static volatile pilot_lever pl;
static volatile hydraulic_mechanism hm;

State_Type current_state;

typedef struct
{
char* current_state_indication;
char* light;
char* direction_valve_status;
char* landing_gear_hydraulic_control;
char* Gas_Pressurized_Spring_system_status[2];

}State_Table;

static State_Table State_Machine[6]={{"GearDown","Green","Down","Enabled",{NULL,NULL}},
{"CheckingBeforeTakeOFF","Green","Down","Enabled",{NULL,NULL}},
{"RaisingGear","Red","Up","Enabled",{NULL,NULL}},
{"GearUp","Off","NULL","Disabled",{NULL,NULL}},
{"CheckBeforeLanding","Red","Down","Enabled",{NULL,NULL}},
{"LoweringGear","Green","Down","Enabled",{"Disabled","Enabled"}}
};
int main()
{
Initiate_State_Machine();
while(1)
{
statetable[current_state]();
}
}
void GearDown(void)
{
current_state=GEAR_DOWN;
printf("Enter the status of pilot's lever and squat switch");
fflush(stdout);
scanf("%d %d",&pl,&squat_switch);
if(pl==Raising && squat_switch==on)
{
current_state=CHECKING_BEFORE_TAKEOFF;
printf("current state:%sn",State_Machine[current_state].current_state_indication);
printf("Light is :%sn", State_Machine[current_state].light);
}
else
{
GearDown();
}
}

//CheckingBeforeTakeOFF
void CheckingBeforeTakeOFF(void)
{
current_state=CHECKING_BEFORE_TAKEOFF;
printf("Enter the status of pilot's lever and squat switch and hydraulic mechanism:");
fflush(stdout);
scanf("%d %d",&pl,&squat_switch,&hm);
if(pl==falling&&squat_switch==off)
{
GearDown();
}
else if(pl==Raising && squat_switch==on && hm==working)
{
current_state=RAISING_GEAR;
printf("Current State:%sn",State_Machine[current_state].current_state_indication);
printf("Light is:%sn",State_Machine[current_state].light);
printf("Status of Direction valve:%sn",State_Machine[current_state].direction_valve_status);
}
else if(pl==Raising && squat_switch==on && hm==not_working)
{
current_state=RAISING_GEAR;
printf("Current State:%sn",State_Machine[current_state].current_state_indication);
printf("Light is:%sn",State_Machine[current_state].light);
printf("Status of Direction valve:%sn",State_Machine[current_state].direction_valve_status);
printf("Status of gas pressurised Spring System:%sn",State_Machine[current_state].Gas_Pressurized_Spring_system_status);
}
}
//RaisingGear
void RaisingGear(void)
{
current_state=RAISING_GEAR;
printf("Enter the status of pilot's lever and limit switch:");
fflush(stdout);
scanf("%d %d",&pl,&limit_switch);
if(pl==falling && limit_switch==on)
{
current_state=CHECK_BEFORE_LANDING;
printf("Current State:%sn",State_Machine[current_state].current_state_indication);
printf("Light is:%sn",State_Machine[current_state].light);
printf("Landing Gear Hydraulic Control:%sn",State_Machine[current_state].landing_gear_hydraulic_control);
}
else if(pl==Raising && limit_switch==off)
{
current_state=GEAR_UP;
printf("Current State:%sn",State_Machine[current_state].current_state_indication);
printf("Light is:%sn",State_Machine[current_state].light);
printf("Landing Gear Hydraulic Control:%sn",State_Machine[current_state].landing_gear_hydraulic_control);
}
else
{
RaisingGear();
}
}
//GearUp
void GearUp(void)
{
current_state=GEAR_UP;
printf("Enter the status of pilot's lever:");
fflush(stdout);
scanf("%d",&pl);
if(pl==falling)
{
current_state=CHECK_BEFORE_LANDING;
printf("Current State:%sn",State_Machine[current_state].current_state_indication);
printf("Light is:%sn",State_Machine[current_state].light);
printf("Landing Gear Hydraulic Control:%sn",State_Machine[current_state].landing_gear_hydraulic_control);
}
else
{
GearUp();
}

}
//CheckBeforeLanding
void CheckBeforeLanding(void)
{
current_state=CHECK_BEFORE_LANDING;
printf("Enter the status of pilot's lever and hydraulic mechanism status:");
fflush(stdout);
scanf("%d %d",&pl,&hm);
if(pl==falling && hm==working)
{
current_state=LOWERING_GEAR;
printf("Current State:%sn",State_Machine[current_state].current_state_indication);
printf("Light is:%sn",State_Machine[current_state].light);
printf("Status of Direction valve:%sn",State_Machine[current_state].direction_valve_status);
}
else if(pl==falling && hm==not_working)
{
current_state=LOWERING_GEAR;
printf("Current State:%sn",State_Machine[current_state].current_state_indication);
printf("Light is:%sn",State_Machine[current_state].light);
printf("Status of Direction valve:%sn",State_Machine[current_state].direction_valve_status);
printf("Status of gas pressurised Spring System:%sn",State_Machine[current_state].Gas_Pressurized_Spring_system_status);
}
else if(pl==(Raising))
{
CheckBeforeLanding();
}
}
//LoweringGear.
void LoweringGear(void)
{
current_state=LOWERING_GEAR;
printf("Enter the status of pilot's lever and limit switch:");
fflush(stdout);
scanf("%d %d",&pl,&limit_switch);
if(pl==falling && limit_switch==on)
{
current_state=CHECKING_BEFORE_TAKEOFF;
printf("Current State:%sn",State_Machine[current_state].current_state_indication);
printf("Light is:%sn",State_Machine[current_state].light);
}
else if(pl==Raising && limit_switch==off)
{
current_state=GEAR_DOWN;
printf("Current State:%sn",State_Machine[current_state].current_state_indication);
printf("Light is:%sn",State_Machine[current_state].light);
printf("Landing Gear Hydraulic Control:%sn",State_Machine[current_state].landing_gear_hydraulic_control);
}
if(limit_switch==off)
{
LoweringGear();
}
}
//Initiate_State_Machine
void Initiate_State_Machine()
{
current_state==GEAR_DOWN;
printf("The Finite State Machine is Intialized and current the program is in""GearDown State & Light is:%sn",State_Machine[current_state].light);
}

#include<stdio.h>
#include"land1.h"

static void(*state_Table[])(void)={GearDown, CheckingBeforeTakeOFF, RaisingGear, GearUp, CheckBeforeLanding, LoweringGear};

int main()
{
Initiate_State_Machine();
while(1)
{
state_Table[current_state]();
}
}

void GearDown(void)
{
current_state = GEAR_DOWN;
printf("Enter the status of pilot's lever and squat switch:");
fflush(stdout);
scanf("%d %d", &pilot_lever, &squat_switch);
if(pilot_lever==raising && squat_switch==On)
{
current_state=CHECKING_BEFORE_TAKEOFF;
printf("Current state:%s\n", State_Machine[current_state].current_state_indication);
printf("Light is:%s\n", State_Machine[current_state].light);
}
else
{
GearDown();
}
}
void CheckingBeforeTakeOFF(void)
{
current_state=CHECKING_BEFORE_TAKEOFF;
printf("Enter the status of pilot's lever and squat switch and hydraulic mechanism:");
fflush(stdout);
scanf("%d %d %d",&pilot_lever, &squat_switch, &hydraulic_mechanism);
if(pilot_lever==falling && squat_switch==Off)
{
GearDown();
}
else if(pilot_lever==raising && squat_switch==On && hydraulic_mechanism==working)
{
current_state=RAISING_GEAR;
printf("Current state:%s\n", State_Machine[current_state].current_state_indication);
printf("Light is:%s\n", State_Machine[current_state].light);
printf("Status of Direction valve:%s\n",State_Machine[current_state].direction_valve_status);

}
else if(pilot_lever==raising && squat_switch==On && hydraulic_mechanism==notworking)
{
current_state=RAISING_GEAR;
printf("Current state:%s\n", State_Machine[current_state].current_state_indication);
printf("Light is:%s\n", State_Machine[current_state].light);
printf("Status of Direction valve:%s\n",State_Machine[current_state].direction_valve_status);
printf("Status of Gas Pressurised Spring System:%s\n", State_Machine[current_state].Gas_Pressurized_Spring_system_status);
}
}
void RaisingGear(void)
{
current_state=RAISING_GEAR;
printf("Enter the status of pilot's lever and limit switch:");
fflush(stdout);
scanf("%d %d", &pilot_lever, &limit_switch);
if(pilot_lever==falling && limit_switch==On)
{
current_state=CHECK_BEFORE_LANDING;
printf("Current state:%s\n", State_Machine[current_state].current_state_indication);
printf("Light is:%s\n", State_Machine[current_state].light);
printf("Landing Gear Hydraulic Control:%s\n", State_Machine[current_state].landing_gear_hydraulic_control);
}
else if(pilot_lever==raising && limit_switch==Off)
{
current_state=GEAR_UP;
printf("Current state:%s\n", State_Machine[current_state].current_state_indication);
printf("Light is:%s\n", State_Machine[current_state].light);
printf("Landing Gear Hydraulic Control:%s\n", State_Machine[current_state].landing_gear_hydraulic_control);
}
else
{
RaisingGear();
}
}

void GearUp
(void)
{
current_state=GEAR_UP;
printf("Enter the status of pilot's lever:");
fflush(stdout);
scanf("%d", &pilot_lever);
if(pilot_lever==falling)
{
current_state=CHECK_BEFORE_LANDING;
printf("Current state:%s\n", State_Machine[current_state].current_state_indication);
printf("Light is:%s\n", State_Machine[current_state].light);
printf("Landing Gear Hydraulic Control:%s\n", State_Machine[current_state].landing_gear_hydraulic_control);
}
else
{
GearUp();
}
}

void CheckBeforeLanding(void)
{
current_state=CHECK_BEFORE_LANDING;
printf("Enter the status of pilot's lever and hydraulic mechanism status:");
fflush(stdout);
scanf("%d %d",&pilot_lever, &hydraulic_mechanism);
if(pilot_lever==falling && hydraulic_mechanism==working)
{
current_state=LOWERING_GEAR;
printf("Current state:%s\n", State_Machine[current_state].current_state_indication);
printf("Light is:%s\n", State_Machine[current_state].light);
printf("Status of Direction valve:%s\n",State_Machine[current_state].direction_valve_status);
}
else if(pilot_lever==falling && squat_switch==On && hydraulic_mechanism==notworking)
{
current_state=LOWERING_GEAR;
printf("Current state:%s\n", State_Machine[current_state].current_state_indication);
printf("Light is:%s\n", State_Machine[current_state].light);
printf("Status of Direction valve:%s\n",State_Machine[current_state].direction_valve_status);
printf("Status of Gas Pressurised Spring System:%s\n", State_Machine[current_state].Gas_Pressurized_Spring_system_status);
}
if(pilot_lever==(raising || falling))
{
CheckBeforeLanding();
}
}

void LoweringGear(void)
{
current_state=LOWERING_GEAR;
printf("Enter the status of pilot's lever and limit switch:");
fflush(stdout);
scanf("%d %d", &pilot_lever, &limit_switch);
if(pilot_lever==raising && limit_switch==On)
{
current_state=CHECKING_BEFORE_TAKEOFF;
printf("Current state:%s\n", State_Machine[current_state].current_state_indication);
printf("Light is:%s\n", State_Machine[current_state].light);
}
if(pilot_lever==raising && limit_switch==Off)
{
current_state=GEAR_DOWN;
printf("Current state:%s\n", State_Machine[current_state].current_state_indication);
printf("Light is:%s\n", State_Machine[current_state].light);
printf("Landing Gear Hydraulic Control:%s\n", State_Machine[current_state].landing_gear_hydraulic_control);
}
if(limit_switch==Off)
{
LoweringGear();
}
}

void Initiate_State_Machine()
{
current_state=GEAR_DOWN;
printf("The Finite State Machine is Initialized and current the program is in GearDown State & Light is: %s\n", State_Machine[current_state].light);
}
#ifndef LAND1_H_
#define LAND1_H_
#include<stdio.h>
void Initiate_State_Machine();
void GearDown();
void CheckingBeforeTakeOFF();
void RaisingGear();
void GearUp();
void CheckBeforeLanding();
void LoweringGear();

typedef enum State
{
GEAR_DOWN,
CHECKING_BEFORE_TAKEOFF,
RAISING_GEAR,
GEAR_UP,
CHECK_BEFORE_LANDING,
LOWERING_GEAR,
}State_Type;
typedef enum Switch
{
On,
Off
}Switch_status;

typedef enum pilot_lever
{
raising,
falling
}pilot;

typedef enum hydraulic_mechanism
{
working,
notworking
}hydraulic;

static volatile Switch_status squat_switch;
static volatile Switch_status limit_switch;
static volatile pilot pilot_lever;
static volatile hydraulic hydraulic_mechanism;

State_Type current_state;

typedef struct
{
char* current_state_indication;
char* light;
char* direction_valve_status;
char* landing_gear_hydraulic_control;
char* Gas_Pressurized_Spring_system_status[2];

}State_Table;

static State_Table
State_Machine[6]=
{
{"GearDown", "Green", "Down", "Enabled",{NULL,NULL}},
{"CheckingBeforeTakeOFF", "Green", "Down", "Enabled",{NULL, NULL}},
{"RaisingGear","Red", "Up", "Enabled", {"Disabled","Enabled"}},
{"GearUp", "Off", "Null", "Disabled", {NULL,NULL}},
{"CheckBeforeLanding", "Red", "Down", "Enabled",{NULL,NULL}},
{"LoweringGear", "Green", "Down", "Enabled",{"Disabled","Enabled"}}
};


#endif /* LAND1_H_ */

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

Ship work like this
in your own course.

Talk to a career counsellor

Ship work like thisin your own course.

Talk to a career counsellor

Ship work like this
in your own course.