Charles White / Mbed OS Car_Simulator

This is program to simulate the functions of a car.

Dependencies:   DigitalOutEx DebounceIn Ultrasonic TextLCD DCMotor

main.cpp@0:707b06553f35, 2021-01-06 (annotated)

Committer:
3ghost17
Date:
Wed Jan 06 06:50:35 2021 +0000
Revision:
0:707b06553f35
This is a car simulator.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
3ghost17 0:707b06553f35 1 /* mbed Microcontroller Library
3ghost17 0:707b06553f35 2 * Copyright (c) 2019 ARM Limited
3ghost17 0:707b06553f35 3 * SPDX-License-Identifier: Apache-2.0
3ghost17 0:707b06553f35 4
3ghost17 0:707b06553f35 5 ECE595 Design with embeded systems
3ghost17 0:707b06553f35 6 Project: Car simulator
3ghost17 0:707b06553f35 7 by: Charles White & Lammar Lee
3ghost17 0:707b06553f35 8
3ghost17 0:707b06553f35 9 Car simulator able to simulate some of the basic peripherals
3ghost17 0:707b06553f35 10
3ghost17 0:707b06553f35 11
3ghost17 0:707b06553f35 12 */
3ghost17 0:707b06553f35 13
3ghost17 0:707b06553f35 14 #include "mbed.h"
3ghost17 0:707b06553f35 15 #include <iostream>
3ghost17 0:707b06553f35 16 #include <string>
3ghost17 0:707b06553f35 17 #include "DCMotor.h"
3ghost17 0:707b06553f35 18 #include "DigitalOutEx.h"
3ghost17 0:707b06553f35 19 #include "TextLCD.h"
3ghost17 0:707b06553f35 20 #include "Ultrasonic.h"
3ghost17 0:707b06553f35 21 #include "DebounceIn.h"
3ghost17 0:707b06553f35 22 #include "platform/mbed_thread.h"
3ghost17 0:707b06553f35 23
3ghost17 0:707b06553f35 24 // Blinking rate in milliseconds
3ghost17 0:707b06553f35 25 #define BLINKING_RATE_MS 500
3ghost17 0:707b06553f35 26
3ghost17 0:707b06553f35 27 //Push Buttons
3ghost17 0:707b06553f35 28 DebounceIn StartBtn(D0); //Start Btn
3ghost17 0:707b06553f35 29 DebounceIn My_Btn2(D2); // Motor Btn
3ghost17 0:707b06553f35 30 DebounceIn BtnBlnkL(D6); //Blinker liket Btn
3ghost17 0:707b06553f35 31
3ghost17 0:707b06553f35 32 //Light system
3ghost17 0:707b06553f35 33 DigitalOutEx StartLED(D1);
3ghost17 0:707b06553f35 34 DigitalOutEx BlnkL(D4);
3ghost17 0:707b06553f35 35
3ghost17 0:707b06553f35 36 //sensor
3ghost17 0:707b06553f35 37 DebounceIn backUpBtn(D15);
3ghost17 0:707b06553f35 38 DigitalIn echo(D5);
3ghost17 0:707b06553f35 39 DigitalOutEx trigger(D7); //
3ghost17 0:707b06553f35 40 DigitalOutEx backLight(LED1); //used for reverse
3ghost17 0:707b06553f35 41
3ghost17 0:707b06553f35 42
3ghost17 0:707b06553f35 43 //Motor
3ghost17 0:707b06553f35 44 DigitalOutEx DCM(D3);
3ghost17 0:707b06553f35 45
3ghost17 0:707b06553f35 46 //LCD
3ghost17 0:707b06553f35 47 TextLCD lcd(D8, D9, D10, D11, D12, D13);
3ghost17 0:707b06553f35 48
3ghost17 0:707b06553f35 49 bool status;
3ghost17 0:707b06553f35 50
3ghost17 0:707b06553f35 51 //proto
3ghost17 0:707b06553f35 52 void backUp(void);
3ghost17 0:707b06553f35 53 void blinkLights(void);
3ghost17 0:707b06553f35 54 void LCD(const char*);
3ghost17 0:707b06553f35 55 void accelerate(void);
3ghost17 0:707b06553f35 56 void startVic(void);
3ghost17 0:707b06553f35 57
3ghost17 0:707b06553f35 58 //back up function
3ghost17 0:707b06553f35 59 Ultrasonic sensor(D7, D5);
3ghost17 0:707b06553f35 60 bool btnStatus = false;
3ghost17 0:707b06553f35 61 void backUp(void){
3ghost17 0:707b06553f35 62 if (backUpBtn.read() == 0){
3ghost17 0:707b06553f35 63 btnStatus = !btnStatus;
3ghost17 0:707b06553f35 64 }
3ghost17 0:707b06553f35 65 if (btnStatus == true){
3ghost17 0:707b06553f35 66 backLight = !backLight;
3ghost17 0:707b06553f35 67 lcd.printf("Distance: %d\n",sensor.read_cm());
3ghost17 0:707b06553f35 68 accelerate();
3ghost17 0:707b06553f35 69 blinkLights();
3ghost17 0:707b06553f35 70 wait_us(50);
3ghost17 0:707b06553f35 71 }
3ghost17 0:707b06553f35 72 }
3ghost17 0:707b06553f35 73
3ghost17 0:707b06553f35 74 //blinker
3ghost17 0:707b06553f35 75 void blinkLights(void){
3ghost17 0:707b06553f35 76 if(BtnBlnkL.read() == 1){
3ghost17 0:707b06553f35 77 if(BlnkL.is_flashing()){
3ghost17 0:707b06553f35 78 BlnkL.stop_flashing();
3ghost17 0:707b06553f35 79 wait_us(50);
3ghost17 0:707b06553f35 80 }
3ghost17 0:707b06553f35 81 else{
3ghost17 0:707b06553f35 82 BlnkL.flash();
3ghost17 0:707b06553f35 83 wait_us(50);
3ghost17 0:707b06553f35 84 }
3ghost17 0:707b06553f35 85 }
3ghost17 0:707b06553f35 86 }
3ghost17 0:707b06553f35 87
3ghost17 0:707b06553f35 88 //allow to print on the LCD
3ghost17 0:707b06553f35 89 void LCD(const char* text){
3ghost17 0:707b06553f35 90 //clear the screen
3ghost17 0:707b06553f35 91 lcd.cls();
3ghost17 0:707b06553f35 92 //enter text
3ghost17 0:707b06553f35 93 lcd.printf(text);
3ghost17 0:707b06553f35 94 };
3ghost17 0:707b06553f35 95
3ghost17 0:707b06553f35 96 void accelerate(void){
3ghost17 0:707b06553f35 97 if(My_Btn2.read() == 1){
3ghost17 0:707b06553f35 98 DCM.write(0);
3ghost17 0:707b06553f35 99 }
3ghost17 0:707b06553f35 100 else{
3ghost17 0:707b06553f35 101 DCM.write(1);
3ghost17 0:707b06553f35 102 }
3ghost17 0:707b06553f35 103 };
3ghost17 0:707b06553f35 104
3ghost17 0:707b06553f35 105 /*it will allow all the systems to be functional.
3ghost17 0:707b06553f35 106 *the start button need to be press in order to start the car.
3ghost17 0:707b06553f35 107 *if the start button is pressed again it will shut down the system.*/
3ghost17 0:707b06553f35 108 void startVic(void){
3ghost17 0:707b06553f35 109 if (StartBtn.read()== 1){
3ghost17 0:707b06553f35 110 status = !status;
3ghost17 0:707b06553f35 111 }
3ghost17 0:707b06553f35 112 //it will allow all the systems to function.
3ghost17 0:707b06553f35 113 if (status == true){
3ghost17 0:707b06553f35 114 StartLED = 1;
3ghost17 0:707b06553f35 115 LCD("System\nRunning\n");
3ghost17 0:707b06553f35 116 }
3ghost17 0:707b06553f35 117 //anyperiferical connected will not work.
3ghost17 0:707b06553f35 118 else{
3ghost17 0:707b06553f35 119 StartLED = 0;
3ghost17 0:707b06553f35 120 LCD("Push button\nto start\n");
3ghost17 0:707b06553f35 121 }
3ghost17 0:707b06553f35 122 if (status){
3ghost17 0:707b06553f35 123 accelerate();
3ghost17 0:707b06553f35 124 blinkLights();
3ghost17 0:707b06553f35 125 backUp();
3ghost17 0:707b06553f35 126 }
3ghost17 0:707b06553f35 127 };
3ghost17 0:707b06553f35 128
3ghost17 0:707b06553f35 129
3ghost17 0:707b06553f35 130
3ghost17 0:707b06553f35 131 int main()
3ghost17 0:707b06553f35 132 {
3ghost17 0:707b06553f35 133 StartBtn.mode(PullDown);
3ghost17 0:707b06553f35 134 backUpBtn.mode(PullDown);
3ghost17 0:707b06553f35 135 My_Btn2.mode(PullDown);
3ghost17 0:707b06553f35 136 BtnBlnkL.mode(PullDown);
3ghost17 0:707b06553f35 137 lcd.cls();
3ghost17 0:707b06553f35 138 lcd.printf("System\nInitializing\n");
3ghost17 0:707b06553f35 139 ThisThread::sleep_for(600);
3ghost17 0:707b06553f35 140 while(true){
3ghost17 0:707b06553f35 141 startVic();
3ghost17 0:707b06553f35 142 ThisThread::sleep_for(125);
3ghost17 0:707b06553f35 143 }
3ghost17 0:707b06553f35 144
3ghost17 0:707b06553f35 145 }