elevator - a simple code for elevator

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Fatema A.Razaq / Mbed 2 deprecated elevator

a simple code for elevator

main.cpp@0:85829f7bbe62, 2012-06-04 (annotated)

Committer:: kemken
Date:: Mon Jun 04 13:51:43 2012 +0000
Revision:: 0:85829f7bbe62

Who changed what in which revision?

User	Revision	Line number	New contents of line
kemken	0:85829f7bbe62	1	/*********************************************************
kemken	0:85829f7bbe62	2	* state machine assignment - elevator. *
kemken	0:85829f7bbe62	3	* a software for two level elevator *
kemken	0:85829f7bbe62	4	* *
kemken	0:85829f7bbe62	5	* Author: Fatema A.Razaq Mohammed *
kemken	0:85829f7bbe62	6	* Purpose: improve the abilty of using state machine *
kemken	0:85829f7bbe62	7	* *******************************************************/
kemken	0:85829f7bbe62	8
kemken	0:85829f7bbe62	9	/*
kemken	0:85829f7bbe62	10	* THE MAIN FILE OF THIS PROGRAM.
kemken	0:85829f7bbe62	11	* ^^^ ^^^^ ^^^^ ^^ ^^^^ ^^^^^^^
kemken	0:85829f7bbe62	12	*
kemken	0:85829f7bbe62	13	* FILE NAME: main.cpp
kemken	0:85829f7bbe62	14	* USAGE: gathering the programs funtcions.
kemken	0:85829f7bbe62	15	*/
kemken	0:85829f7bbe62	16
kemken	0:85829f7bbe62	17
kemken	0:85829f7bbe62	18
kemken	0:85829f7bbe62	19	/*
kemken	0:85829f7bbe62	20	* including all the created library files of the elevator program.
kemken	0:85829f7bbe62	21	*/
kemken	0:85829f7bbe62	22	#include "mbed.h"
kemken	0:85829f7bbe62	23	#include "main.h"
kemken	0:85829f7bbe62	24	#include "PIN_DETECT.h"
kemken	0:85829f7bbe62	25	#include "beeper.h"
kemken	0:85829f7bbe62	26	#include "LED.h"
kemken	0:85829f7bbe62	27	#include "speed.h"
kemken	0:85829f7bbe62	28	#include "event_and_actions.h"
kemken	0:85829f7bbe62	29
kemken	0:85829f7bbe62	30
kemken	0:85829f7bbe62	31	event get_event (void); // a function that has "event" as return type.
kemken	0:85829f7bbe62	32	state current_state; // variable named current_state
kemken	0:85829f7bbe62	33	event current_event; // variable named current_event
kemken	0:85829f7bbe62	34
kemken	0:85829f7bbe62	35	/---- for testing the program, all the events and states were rewrite to be use in Printf -------------------/
kemken	0:85829f7bbe62	36	const char event_lookup[MAX_EVENT][20] ={"B_level_1", "B_level_2", "call_1", "call_2", "NR_top", "NR_bottom", "at_top", "at_bottom", "timeout", "safety"};
kemken	0:85829f7bbe62	37	const char state_lookup[MAX_STATE][20] ={"top", "waiting_beeper_tp", "waiting_door_tp", "wating_top_sw", "going_down","bottom", "waiting_beeper_bm","waiting_door_bm", "waiting_bottom_sw", "going_up", "waiting_for_safety", "waiting_for_Bfloor"};
kemken	0:85829f7bbe62	38
kemken	0:85829f7bbe62	39	/* state machine table (events VS states) */
kemken	0:85829f7bbe62	40	void (*const state_table [MAX_STATE][MAX_EVENT]) (void) = {
kemken	0:85829f7bbe62	41	/B_level_1 B_level_2 call_1 call_2 NR_top NR_bottom at_top at_bottom timeout safety /
kemken	0:85829f7bbe62	42	{move_to_bottom, door_top, move_to_bottom, door_top, ND, ND, motor_stop_tp, ND, ND, slow_back }, /top/
kemken	0:85829f7bbe62	43	{ND, ND, ND, ND, ND, ND, ND, ND, door_top, ND }, /waiting_beeper_tp/
kemken	0:85829f7bbe62	44	{ND, ND, ND, ND, ND, ND, ND, ND, close_top, ND }, /waiting_door_tp/
kemken	0:85829f7bbe62	45	{ND, ND, ND, ND, slow_down_tp, ND, motor_stop_tp, ND, ND, slow_back }, /wating_top_sw/
kemken	0:85829f7bbe62	46	{ND, ND, ND, ND, ND, slow_down_bm, ND, ND, ND, ND }, /going_down (when it's hite the near bottom switch)/
kemken	0:85829f7bbe62	47	{door_bottom, move_to_top, door_bottom, move_to_top, ND, ND, ND, motor_stop_bm, ND, ND }, /bottom/
kemken	0:85829f7bbe62	48	{ND, ND, ND, ND, ND, ND, ND, ND, door_bottom, ND }, /waiting_beeper_bm/
kemken	0:85829f7bbe62	49	{ND, ND, ND, ND, ND, ND, ND, ND, close_bottom, ND }, /waiting_door_bm/
kemken	0:85829f7bbe62	50	{ND, ND, ND, ND, ND, slow_down_bm, ND, motor_stop_bm, ND, ND }, /waiting_bottom_sw/
kemken	0:85829f7bbe62	51	{ND, ND, ND, ND, slow_down_tp, ND, ND, ND, ND, slow_back }, /going_up/
kemken	0:85829f7bbe62	52	{ND, ND, ND, ND, ND, ND, ND, ND, ND, slow_back }, /waiting_for_safety/
kemken	0:85829f7bbe62	53	{ND, ND, ND, ND, ND , ND, ND, motor_stop_bm, ND, ND } /waiting_for_Bfloor/
kemken	0:85829f7bbe62	54	};
kemken	0:85829f7bbe62	55
kemken	0:85829f7bbe62	56
kemken	0:85829f7bbe62	57	int main (void) {
kemken	0:85829f7bbe62	58
kemken	0:85829f7bbe62	59	/-------------------------------------------------------------------\
kemken	0:85829f7bbe62	60	* first calling the ticker and switche depancing created finctions *
kemken	0:85829f7bbe62	61	\-------------------------------------------------------------------/
kemken	0:85829f7bbe62	62	switches(); /* call switche depancing function */
kemken	0:85829f7bbe62	63	bing_start(); /* call the created ticker function of the beeper */
kemken	0:85829f7bbe62	64	doors_start();/* call the created ticker function of the doors */
kemken	0:85829f7bbe62	65	motor_start();/* call the created ticker function of the motor */
kemken	0:85829f7bbe62	66
kemken	0:85829f7bbe62	67	current_state = waiting_for_safety; /* sat the first state to begain with */
kemken	0:85829f7bbe62	68
kemken	0:85829f7bbe62	69	/---- Print message: shows the starting states which program at ------------------------------------/
kemken	0:85829f7bbe62	70	printf("Statrting State: %s\n",state_lookup[current_state]);
kemken	0:85829f7bbe62	71
kemken	0:85829f7bbe62	72	motor(0.4,0); /* calling a function to run the motor at slow speed*/
kemken	0:85829f7bbe62	73
kemken	0:85829f7bbe62	74	while (1) {
kemken	0:85829f7bbe62	75	current_event=get_event(); /* changing the event according to what happen next */
kemken	0:85829f7bbe62	76	/---- a print message: shows the event' program at ------------------------------------/
kemken	0:85829f7bbe62	77	printf("Event: %s ",event_lookup[current_event]);
kemken	0:85829f7bbe62	78	state_table[current_state][current_event](); /* changing the state according to the events (depending on the state machine table)*/
kemken	0:85829f7bbe62	79	/---- a print message: shows the state' program at ------------------------------------/
kemken	0:85829f7bbe62	80	printf("State: %s\n",state_lookup[current_state]);
kemken	0:85829f7bbe62	81	}
kemken	0:85829f7bbe62	82
kemken	0:85829f7bbe62	83	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	04 Jun 2012
Imports:	17
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	3
Followers:	1

main.cpp@0:85829f7bbe62, 2012-06-04 (annotated)

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