ELEC2645 (2015/16) / Mbed 2 deprecated ParkingSENSOR

Reverse Parking sensor

Dependencies:   N5110 SRF02 buzzer mbed

Fork of ParkingSENSOR by Renosi Momoh

main.h@0:e1ae1b9889a3, 2016-05-05 (annotated)

Committer:
Reniboy
Date:
Thu May 05 00:29:11 2016 +0000
Revision:
0:e1ae1b9889a3
Child:
1:775f6e8071a2
Version 1.0; ;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Reniboy 0:e1ae1b9889a3 1 /**
Reniboy 0:e1ae1b9889a3 2 @file main.h
Reniboy 0:e1ae1b9889a3 3 @brief Header file containg functions, variables and prototypes
Reniboy 0:e1ae1b9889a3 4 @brief Revision 1.0
Reniboy 0:e1ae1b9889a3 5 @brief Reverse Parking sensor
Reniboy 0:e1ae1b9889a3 6 @date March 2015 **/
Reniboy 0:e1ae1b9889a3 7
Reniboy 0:e1ae1b9889a3 8
Reniboy 0:e1ae1b9889a3 9 #include "mbed.h"
Reniboy 0:e1ae1b9889a3 10 #include "N5110.h"
Reniboy 0:e1ae1b9889a3 11 #include "SRF02/SRF02.h"
Reniboy 0:e1ae1b9889a3 12 #include "buzzer.h"
Reniboy 0:e1ae1b9889a3 13 #include "SDFileSystem.h"
Reniboy 0:e1ae1b9889a3 14
Reniboy 0:e1ae1b9889a3 15 /** INPUTS AND OUTPUTS **/
Reniboy 0:e1ae1b9889a3 16
Reniboy 0:e1ae1b9889a3 17 N5110 lcd (PTE26, PTA0, PTC4, PTD0, PTD2, PTD1, PTC3);
Reniboy 0:e1ae1b9889a3 18 /** @brief Connections for the LCD Display **/
Reniboy 0:e1ae1b9889a3 19 SRF02 sensor(I2C_SDA,I2C_SCL);
Reniboy 0:e1ae1b9889a3 20 /** @brief Ultrasonic distance sensor connected in I2C mode**/
Reniboy 0:e1ae1b9889a3 21 Beep buzzer(PTA2);
Reniboy 0:e1ae1b9889a3 22 /**
Reniboy 0:e1ae1b9889a3 23 @brief Piezo type buzzer that can produce notes and vary the frequency as well. Connected to Pwm signal
Reniboy 0:e1ae1b9889a3 24 **/
Reniboy 0:e1ae1b9889a3 25
Reniboy 0:e1ae1b9889a3 26 InterruptIn button(PTB18);
Reniboy 0:e1ae1b9889a3 27 /**
Reniboy 0:e1ae1b9889a3 28 @Brief Button connected to mbed with the use of InterruptIn class**/
Reniboy 0:e1ae1b9889a3 29 InterruptIn sw2(SW2);
Reniboy 0:e1ae1b9889a3 30
Reniboy 0:e1ae1b9889a3 31
Reniboy 0:e1ae1b9889a3 32 InterruptIn sw3(SW3);
Reniboy 0:e1ae1b9889a3 33 DigitalOut r_led(PTC2);
Reniboy 0:e1ae1b9889a3 34
Reniboy 0:e1ae1b9889a3 35 SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd");
Reniboy 0:e1ae1b9889a3 36 /** Defining pins for SD card file system **/
Reniboy 0:e1ae1b9889a3 37 Serial serial(USBTX, USBRX); // for PC debugging purposes
Reniboy 0:e1ae1b9889a3 38 AnalogIn pot(PTB2); /* Potentiometer middle pin connected to PTB3, other two ends connected to GND and 3.3V */
Reniboy 0:e1ae1b9889a3 39
Reniboy 0:e1ae1b9889a3 40
Reniboy 0:e1ae1b9889a3 41
Reniboy 0:e1ae1b9889a3 42 /** Create objects for timeout using flipper **/
Reniboy 0:e1ae1b9889a3 43 Timeout flipper;
Reniboy 0:e1ae1b9889a3 44 Timeout flipper2;
Reniboy 0:e1ae1b9889a3 45 Ticker ticker;
Reniboy 0:e1ae1b9889a3 46 Ticker ticker2;
Reniboy 0:e1ae1b9889a3 47 Ticker ticker3;
Reniboy 0:e1ae1b9889a3 48 void button_isr();
Reniboy 0:e1ae1b9889a3 49 void init_serial(); /** function to activate onboard switches and LEDs **/
Reniboy 0:e1ae1b9889a3 50 void timer_isr();
Reniboy 0:e1ae1b9889a3 51 void timer2_isr();
Reniboy 0:e1ae1b9889a3 52 void timer1_isr();
Reniboy 0:e1ae1b9889a3 53 void mainProg();
Reniboy 0:e1ae1b9889a3 54 void inActiveState();
Reniboy 0:e1ae1b9889a3 55 /**
Reniboy 0:e1ae1b9889a3 56 @namespace Main Function
Reniboy 0:e1ae1b9889a3 57 @brief The function containing the main menu to choose functions from
Reniboy 0:e1ae1b9889a3 58 **/
Reniboy 0:e1ae1b9889a3 59
Reniboy 0:e1ae1b9889a3 60 void classicMode(); /**
Reniboy 0:e1ae1b9889a3 61 @Brief Allow the screen to refresh when the potentiometer is set to reflect output mode.
Reniboy 0:e1ae1b9889a3 62 **/
Reniboy 0:e1ae1b9889a3 63
Reniboy 0:e1ae1b9889a3 64 void delete_file(char filename[]); // Function to call for deletion of file.
Reniboy 0:e1ae1b9889a3 65
Reniboy 0:e1ae1b9889a3 66 /** Flags and Interrupt Service Routines **/
Reniboy 0:e1ae1b9889a3 67
Reniboy 0:e1ae1b9889a3 68 volatile int g_timer_flag = 0; /** @Brief G flag makes things easier to distinguish as this is a global variable **/
Reniboy 0:e1ae1b9889a3 69 volatile int g_timer2_flag = 0;
Reniboy 0:e1ae1b9889a3 70 volatile int g_sw3_flag = 0;
Reniboy 0:e1ae1b9889a3 71 volatile int g_button_flag = 0;
Reniboy 0:e1ae1b9889a3 72 volatile int g_timer1_flag = 0;
Reniboy 0:e1ae1b9889a3 73 void sw2_isr();
Reniboy 0:e1ae1b9889a3 74 void sw3_isr();
Reniboy 0:e1ae1b9889a3 75
Reniboy 0:e1ae1b9889a3 76 /** Misc **/
Reniboy 0:e1ae1b9889a3 77 float averageDistance();
Reniboy 0:e1ae1b9889a3 78 /**
Reniboy 0:e1ae1b9889a3 79 @namespace Average Distance
Reniboy 0:e1ae1b9889a3 80 @Brief This function allows us to take ten sensor readings and find the average to improve accuracy
Reniboy 0:e1ae1b9889a3 81 **/
Reniboy 0:e1ae1b9889a3 82 float averageDistanceIn();
Reniboy 0:e1ae1b9889a3 83
Reniboy 0:e1ae1b9889a3 84 int distance;
Reniboy 0:e1ae1b9889a3 85 float distanceIn;
Reniboy 0:e1ae1b9889a3 86
Reniboy 0:e1ae1b9889a3 87
Reniboy 0:e1ae1b9889a3 88 /** Functions **/
Reniboy 0:e1ae1b9889a3 89
Reniboy 0:e1ae1b9889a3 90 void introTune();
Reniboy 0:e1ae1b9889a3 91 /**
Reniboy 0:e1ae1b9889a3 92 @namespace Introductory Tune
Reniboy 0:e1ae1b9889a3 93 @brief Provides and audible indication that the system is on
Reniboy 0:e1ae1b9889a3 94 **/
Reniboy 0:e1ae1b9889a3 95 void beeping();
Reniboy 0:e1ae1b9889a3 96 /**
Reniboy 0:e1ae1b9889a3 97 @namespace Beeping function,
Reniboy 0:e1ae1b9889a3 98 @brief This function allows the sensor to detect the distance and make the speaker beep accordingly
Reniboy 0:e1ae1b9889a3 99 **/
Reniboy 0:e1ae1b9889a3 100 void sensingImage();
Reniboy 0:e1ae1b9889a3 101 /**
Reniboy 0:e1ae1b9889a3 102 @Brief This function shows the distance in bars depending on how close an object is
Reniboy 0:e1ae1b9889a3 103 **/
Reniboy 0:e1ae1b9889a3 104 void sensingImageIn();
Reniboy 0:e1ae1b9889a3 105 /**
Reniboy 0:e1ae1b9889a3 106 @namespace Shows the parking sensor distances in inches
Reniboy 0:e1ae1b9889a3 107 @brief Converts the distance into inches
Reniboy 0:e1ae1b9889a3 108 **/
Reniboy 0:e1ae1b9889a3 109 void classicMode1();
Reniboy 0:e1ae1b9889a3 110 void radarMode();
Reniboy 0:e1ae1b9889a3 111 /**
Reniboy 0:e1ae1b9889a3 112 Function allows the data to be saved on to an SD card including the time and distance
Reniboy 0:e1ae1b9889a3 113 **/
Reniboy 0:e1ae1b9889a3 114 void saveData();
Reniboy 0:e1ae1b9889a3 115 /**
Reniboy 0:e1ae1b9889a3 116 Function will be concurrent with readings and will be intrinsically tied to the actions of the SD card.
Reniboy 0:e1ae1b9889a3 117 **/
Reniboy 0:e1ae1b9889a3 118 void loadData(); /**
Reniboy 0:e1ae1b9889a3 119 Creating a function to allow the data to be loaded when and show the records of all the distances and and times
Reniboy 0:e1ae1b9889a3 120 **/
Reniboy 0:e1ae1b9889a3 121 void active();
Reniboy 0:e1ae1b9889a3 122 /**
Reniboy 0:e1ae1b9889a3 123 @Brief Main functionality that essentially reads the distance from the sensor and conveys the information via The display and buzzer
Reniboy 0:e1ae1b9889a3 124 **/
Reniboy 0:e1ae1b9889a3 125 void radar();
Reniboy 0:e1ae1b9889a3 126 /**
Reniboy 0:e1ae1b9889a3 127 @namespace Radar
Reniboy 0:e1ae1b9889a3 128 @brief Fucntion calling radar mode so as to allow for use of interrupts
Reniboy 0:e1ae1b9889a3 129 **/
Reniboy 0:e1ae1b9889a3 130 void sweepSpeed();
Reniboy 0:e1ae1b9889a3 131 /** @namespace Sweep Speed
Reniboy 0:e1ae1b9889a3 132 @Brief Function that varies the rate at which the radar sweeps with the sensor distance
Reniboy 0:e1ae1b9889a3 133 **/
Reniboy 0:e1ae1b9889a3 134 void sweep();
Reniboy 0:e1ae1b9889a3 135 /**@namespace Sweeping Functions
Reniboy 0:e1ae1b9889a3 136 @Brief Each of these functions will read the distance from the sensor and set the radar arrow speed across the screen appropriately
Reniboy 0:e1ae1b9889a3 137 **/
Reniboy 0:e1ae1b9889a3 138 void sweepOne();
Reniboy 0:e1ae1b9889a3 139 void sweepTwo();
Reniboy 0:e1ae1b9889a3 140 void sweepThree();
Reniboy 0:e1ae1b9889a3 141 void sweepFour();
Reniboy 0:e1ae1b9889a3 142 void sweepFive();
Reniboy 0:e1ae1b9889a3 143 void sweepSix();
Reniboy 0:e1ae1b9889a3 144 void sweepSeven();
Reniboy 0:e1ae1b9889a3 145 void sweepEight();
Reniboy 0:e1ae1b9889a3 146 void sweepNine();
Reniboy 0:e1ae1b9889a3 147
Reniboy 0:e1ae1b9889a3 148
Reniboy 0:e1ae1b9889a3 149
Reniboy 0:e1ae1b9889a3 150 /** Variables **/
Reniboy 0:e1ae1b9889a3 151
Reniboy 0:e1ae1b9889a3 152
Reniboy 0:e1ae1b9889a3 153 float i; /**
Reniboy 0:e1ae1b9889a3 154 @brief Variable used to vary frequency of the buzzer
Reniboy 0:e1ae1b9889a3 155 **/
Reniboy 0:e1ae1b9889a3 156 float t;
Reniboy 0:e1ae1b9889a3 157 /**
Reniboy 0:e1ae1b9889a3 158 @brief Variable used to vary frequency of the radar sweep
Reniboy 0:e1ae1b9889a3 159 **/
Reniboy 0:e1ae1b9889a3 160
Reniboy 0:e1ae1b9889a3 161
Reniboy 0:e1ae1b9889a3 162
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